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<h3><a name="clearverificator_ind" id="clearverificator_ind">clearVerificator(ind)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxdataprocessor.js</em>
</p>
<p>
remove column from list of those which should be verified
</p>
<ul>
<li class="level1"><div class="li"> ind - column Index (0 based)</div>
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<h2><a name="common_tasks" id="common_tasks">Common Tasks</a></h2>
<div class="level2">
<p>
a) Waiting for finishing update.
There are two events which can be used to catch finish of data sync operation:
</p>
<pre class="code javascript"> dp.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onAfterUpdateFinish"</span><span class="sy0">,</span><span class="kw2">function</span><span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw3">alert</span><span class="br0">(</span><span class="st0">"single row updated"</span><span class="br0">)</span>
<span class="br0">}</span><span class="br0">)</span>;
dp.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onFullSync"</span><span class="sy0">,</span><span class="kw2">function</span><span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw3">alert</span><span class="br0">(</span><span class="st0">"all rows updated"</span><span class="br0">)</span>
<span class="br0">}</span><span class="br0">)</span>;</pre>
<p>
In any moment of time update state can be checked as follows:
</p>
<pre class="code javascript"> dp.<span class="me1">getSyncState</span><span class="br0">(</span><span class="br0">)</span></pre>
<p>
which will return true if all data synced with server and false otherwise
</p>
<p>
b) Manual row updating.
The dataprocessor detects the row changed only by edit operations. If a row was changed by a direct <acronym title="Application Programming Interface">API</acronym> calling it will not be updated. You can manually call the dataprocessor to inform about the update operation:
</p>
<pre class="code javascript"> grid.<span class="me1">cells</span><span class="br0">(</span>id<span class="sy0">,</span>ind<span class="br0">)</span>.<span class="me1">setValue</span><span class="br0">(</span>new_one<span class="br0">)</span>
dp.<span class="me1">setUpdated</span><span class="br0">(</span>id<span class="sy0">,</span><span class="kw2">true</span><span class="br0">)</span>;</pre>
<p>
The row can be marked as “not updated” in the same manner (may be useful in some scenarios):
</p>
<pre class="code javascript"> dp.<span class="me1">setUpdated</span><span class="br0">(</span>id<span class="sy0">,</span><span class="kw2">false</span><span class="br0">)</span>;</pre>
<p>
If you want to mark row with status different from “updated” (not sure how it can be useful, but still ) it can be done as below:
</p>
<pre class="code javascript"> dp.<span class="me1">setUpdated</span><span class="br0">(</span>id<span class="sy0">,</span><span class="kw2">true</span><span class="sy0">,</span><span class="st0">"status name"</span><span class="br0">)</span>;</pre>
<p>
c) Error catching.
</p>
<p>
Starting version 2.1, dataprocessor has default reaction on “error” response type, which can be used to report about server side errors. Row marked as error will be highlighted in grid. And it will not be sent back to server until one of the next events occurs:
</p>
<ul>
<li class="level1"><div class="li"> user edit data in row;</div>
</li>
<li class="level1"><div class="li"> rows set back to updated status through setUpdated command.</div>
</li>
</ul>
<p>
d) Sever side validation.
</p>
<p>
There is a built in support for “invalid” status in server side response. It's similar to “error”, but has different visual marking.
</p>
<p>
If you want to extend it, you should do the following:
</p>
<pre class="code javascript"> dp.<span class="me1">defineAction</span><span class="br0">(</span><span class="st0">"invalid"</span><span class="sy0">,</span><span class="kw2">function</span><span class="br0">(</span>sid<span class="sy0">,</span>response<span class="br0">)</span><span class="br0">{</span>
<span class="kw2">var</span> message <span class="sy0">=</span> response.<span class="me1">getAttribute</span><span class="br0">(</span><span class="st0">"message"</span><span class="br0">)</span>;
<span class="kw3">alert</span><span class="br0">(</span>message<span class="br0">)</span>;
<span class="kw1">return</span> <span class="kw2">true</span>;
<span class="br0">}</span><span class="br0">)</span></pre>
<p>
now you can do the next on server side, if data is not valid you can just output the next instead of valid response:
</p>
<pre class="code javascript"><span class="sy0"><</span>data<span class="sy0">></span>
<span class="sy0"><</span>action sid<span class="sy0">=</span><span class="st0">"{gr_id}"</span> type<span class="sy0">=</span><span class="st0">"invalid"</span> message<span class="sy0">=</span><span class="st0">"Data in first column is not valid"</span> <span class="sy0">/></span>
<span class="sy0"></</span>data<span class="sy0">></span></pre>
<p>
e) Loading extra data during update.
</p>
<p>
It's possible to extend default after-update reaction as:
</p>
<pre class="code javascript"> dp.<span class="me1">defineAction</span><span class="br0">(</span><span class="st0">"updated"</span><span class="sy0">,</span><span class="kw2">function</span><span class="br0">(</span>sid<span class="sy0">,</span>response<span class="br0">)</span><span class="br0">{</span>
<span class="kw2">var</span> sid <span class="sy0">=</span> response.<span class="me1">getAttribute</span><span class="br0">(</span><span class="st0">"sid"</span><span class="br0">)</span>;
<span class="kw2">var</span> extra <span class="sy0">=</span> response.<span class="me1">getAttribute</span><span class="br0">(</span><span class="st0">"extra"</span><span class="br0">)</span>;
<span class="kw1">this</span>.<span class="me1">obj</span>.<span class="me1">cells</span><span class="br0">(</span>sid<span class="sy0">,</span>0<span class="br0">)</span>.<span class="me1">setValue</span><span class="br0">(</span>extra<span class="br0">)</span>;
<span class="kw1">return</span> <span class="kw2">true</span>;
<span class="br0">}</span><span class="br0">)</span></pre>
<p>
with such code you will be able to specify any additional data which needs to be updated in grid after receiving xml response from the server:
</p>
<pre class="code javascript"><span class="sy0"><</span>data<span class="sy0">></span>
<span class="sy0"><</span>action sid<span class="sy0">=</span><span class="st0">"{gr_id}"</span> type<span class="sy0">=</span><span class="st0">"updated"</span> tid<span class="sy0">=</span><span class="st0">"{gr_id}"</span> extra<span class="sy0">=</span><span class="st0">"new value for first column"</span> <span class="sy0">/></span>
<span class="sy0"></</span>data<span class="sy0">></span></pre>
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</p>
<h2><a name="onvalidationerror_event" id="onvalidationerror_event">onValidationError event</a></h2>
<div class="level2">
<p>
occurs each time when verificator function catches error, blockable.
</p>
<pre class="code javascript"> dp.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onValidationError"</span><span class="sy0">,</span><span class="kw2">function</span><span class="br0">(</span>id<span class="sy0">,</span>errors<span class="br0">)</span><span class="br0">{</span>
<span class="co1">//any custom code</span>
<span class="kw1">return</span> <span class="kw2">true</span>;
<span class="br0">}</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> row id;</div>
</li>
<li class="level1"><div class="li"> array of error messages.</div>
</li>
</ul>
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</html> | zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/samples.html | HTML | art | 8,164 |
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</p>
<h2><a name="special_characters_in_dhtmlxgrid" id="special_characters_in_dhtmlxgrid">Special Characters in dhtmlxGrid</a></h2>
<div class="level2">
<p>
By default grid takes all incoming data as <acronym title="HyperText Markup Language">HTML</acronym>, so it will convert any <acronym title="HyperText Markup Language">HTML</acronym> special chars ( < > &amp; characters included )
</p>
<p>
To resolve such problem, the grid supports “pure” text excell. Pure text excell editors (unlike the default ones) don't allow to put any <acronym title="HyperText Markup Language">HTML</acronym> content inside them, due to their capabilities any special characters are modicification proof and correctly editable.
</p>
<p>
The following are the “pure text” cell types:
</p>
<p>
rotxt - read-only text excell
edtxt - single line editor text excell
txttxt - multi-line text editor
corotxt - text only selectbox
</p>
<pre class="code javascript"> mygrid.<span class="me1">setColTypes</span><span class="br0">(</span><span class="st0">"rotxt"</span><span class="br0">)</span>
...
<span class="me1">mygrid</span>.<span class="me1">addRow</span><span class="br0">(</span><span class="nu0">1</span><span class="sy0">,</span><span class="st0">"<&amp;>"</span><span class="br0">)</span>; <span class="co1">// will render text correctly</span></pre>
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<a href="/dhtmlx/docs/doku.php" name="dokuwiki__top" id="dokuwiki__top" accesskey="h" title="[H]">DHX documentation</a> </div>
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<p>
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</p>
<h3><a name="incorrect_order_of_js_files" id="incorrect_order_of_js_files">Incorrect order of js files</a></h3>
<div class="level3">
<p>
<strong>Symptom</strong>: One of next error appears
</p>
<ol>
<li class="level1"><div class="li"> “dhtmlx is undefined”</div>
</li>
<li class="level1"><div class="li"> “dhtmlxExcell is undefined”</div>
</li>
<li class="level1"><div class="li"> “dhtmlX[Something] is undefined”</div>
</li>
</ol>
<p>
<strong>Solution</strong>: Check order of js files, it must be
</p>
<ol>
<li class="level1"><div class="li"> dhtmlxcommon.js</div>
</li>
<li class="level1"><div class="li"> dhtmlx[Component].js ( dhtmlxgrid.js for grid, dhtmlxtree.js for tree and etc. ) </div>
</li>
<li class="level1"><div class="li"> any extensions for the component </div>
</li>
</ol>
<p>
In case of dhtmlxgrid
</p>
<ol>
<li class="level1"><div class="li"> dhtmlxcommon.js</div>
</li>
<li class="level1"><div class="li"> dhtmlxgridcell.js</div>
</li>
<li class="level1"><div class="li"> dhtmlxgrid.js</div>
</li>
<li class="level1"><div class="li"> any extensions for the grid</div>
</li>
</ol>
<p>
In case of layout, windows, tabbar, accordion components you need to include dhtmlxcontainer.js as well
</p>
<p>
<strong>Alternative solution</strong>: full package contains dhtmlx_full.zip ( dhtmlx_standard_full.zip ) archive, which contains “all included” dhtmlx.js, which can be used instead of separate js files. Including this single file is equal to including all base and extension files at once.
</p>
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<h3><a name="incorrect_xml" id="incorrect_xml">Incorrect XML</a></h3>
<div class="level3">
<p>
<strong>Symptom</strong>: “Incorrect <acronym title="Extensible Markup Language">XML</acronym>” message.
</p>
<p>
<strong>Reasons</strong>:
</p>
<ol>
<li class="level1"><div class="li"> Incorrect <acronym title="Extensible Markup Language">XML</acronym> structure - it may be caused by incorrectly formed <acronym title="Extensible Markup Language">XML</acronym> tags, or by using some special content (& < > chars) inside the tag values. The simplest way to detect the reason for an <acronym title="Extensible Markup Language">XML</acronym> error is open the url used for <acronym title="Extensible Markup Language">XML</acronym> loading in a separate browser window. It will show the error details and exact position of the problematic code; </div>
</li>
<li class="level1"><div class="li"> (<acronym title="Internet Explorer">IE</acronym> specific) Usage of incorrect content type - if you are using dynamic <acronym title="Extensible Markup Language">XML</acronym> source (generate it by the script), you need to send the data with Content-type:text/xml; </div>
</li>
<li class="level1"><div class="li"> (FF specific) In case of FF the problem may occur because of any whitespace before <?xml declaraton (the declaration must be the first text in the output).</div>
</li>
</ol>
<p>
If you are using a dynamic <acronym title="Extensible Markup Language">XML</acronym> source, pay attention to the fact that the output during a stand alone test may not be equal to the output during the usage of the same feed with the component. You can try to use the debug version of dhtmlxcommon to check which urls are used and which xml output was sent during the data loading.
</p>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/start/others___troubleshooting_common_errors.html | HTML | art | 11,128 |
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start [DHX documentation]
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<table class="columns-plugin" style="width:950px">
<tr><td class="first" style="width:33%;vertical-align:top;">
<h4><a name="components" id="components">Components</a></h4>
<div class="level4">
<h5><a name="layouts_data_containers" id="layouts_data_containers">Layouts & data containers</a></h5>
<div class="level5">
<p>
<img src="icons___layout.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxlayout:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxlayout:toc">dhtmlxLayout</a><br/>
<img src="icons___accordion.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxaccordion:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxaccordion:toc">dhtmlxAccordion</a><br/>
<img src="icons___tabbar.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxtabbar:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxtabbar:toc">dhtlmxTabbar</a><br/>
<img src="icons___windows.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxwindows:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxwindows:toc">dhtmlxWindows</a>
</p>
</div>
<h5><a name="data_presentation" id="data_presentation">Data presentation</a></h5>
<div class="level5">
<p>
<img src="icons___grid.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxgrid:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxgrid:toc">dhtmlxGrid</a><br/>
<img src="icons___tree.gif" class="media" alt="" /> <a href="../dhtmlxtree/index.html" style="font-weight:bold;" class="wikilink1" title="dhtmlxtree:toc">dhtmlxTree</a><br/>
<img src="icons___treegrid.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxtreegrid:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxtreegrid:toc">dhtmlxTreeGrid</a><br/>
<img src="icons___folders.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxfolders:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxfolders:toc">dhtmlxFolders</a>
</p>
</div>
<h5><a name="controls" id="controls">Controls</a></h5>
<div class="level5">
<p>
<img src="icons___menu.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxmenu:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxmenu:toc">dhtmlxMenu</a><br/>
<img src="icons___toolbar.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxtoolbar:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxtoolbar:toc">dhtmlxToolbar</a><br/>
<img src="icons___combo.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxcombo:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxcombo:toc">dhtmlxCombo</a><br/>
<img src="icons___calendar.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxcalendar:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxcalendar:toc">dhtmlxCalendar</a><br/>
<img src="icons___colorpicker.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxcolorpicker:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxcolorpicker:toc">dhtmlxColorPicker</a><br/>
<img src="icons___slider.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxslider:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxslider:toc">dhtmlxSlider</a>
</p>
</div>
<h5><a name="tools_ajax" id="tools_ajax">Tools & Ajax</a></h5>
<div class="level5">
<p>
<img src="icons___editor.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxeditor:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxeditor:toc">dhtmlxEditor</a><br/>
<img src="icons___vault.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxvault:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxvault:toc">dhtmlxVault</a><br/>
<img src="icons___ajax.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxajax:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxajax:toc">dhtmlxAjax</a>
</p>
</div>
</td><td style="width:33%;">
<h4><a name="server_side_functionality" id="server_side_functionality">Server side functionality</a></h4>
<div class="level4">
<p>
<img src="icons___dataprocessor.gif" class="media" alt="" /> <a href="../dhtmlxdataprocessor/index.html" style="font-weight:bold;" class="wikilink1" title="dhtmlxdataprocessor:toc">dhtmlxDataprocessor</a><br/>
<img src="icons___connector.gif" class="media" alt="" /> <a href="../dhtmlxconnector/index.html" style="font-weight:bold;" class="wikilink1" title="dhtmlxconnector:toc">dhtmlxConnector</a>
</p>
</div>
<h4><a name="applications" id="applications">Applications</a></h4>
<div class="level4">
<p>
<img src="icons___scheduler.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxscheduler:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxscheduler:toc">dhtmlxScheduler</a>
</p>
</div>
<h4><a name="beta_staff" id="beta_staff">Beta staff</a></h4>
<div class="level4">
<p>
<img src="icons___scheduler.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxdataview:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxdataview:toc">dhtmlxDataView</a><br/>
<img src="icons___scheduler.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxform:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxform:toc">dhtmlxForm</a> <br/>
<img src="icons___scheduler.gif" class="media" alt="" /> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxchart:toc" style="text-decoration:underline;" class="wikilink1" title="dhtmlxchart:toc">dhtmlxChart</a><br/>
<img src="icons___scheduler.gif" class="media" alt="" /> <a href="/dhtmlx/docs/doku.php?id=dhtmlxform2:toc" class="wikilink2" title="dhtmlxform2:toc" rel="nofollow">dhtmlxForm2</a>
</p>
</div>
</td><td class="last" style="width:33%;">
<h4><a name="common_techniques" id="common_techniques">Common techniques</a></h4>
<div class="level4">
<p>
<img src="icons___file.gif" class="media" alt="" /><a href="dhtmlx_overall_logic_en.html" class="wikilink1" title="dhtmlx_overall_logic_en">Quick Start with DHTMLX</a> <br/>
<img src="icons___file.gif" class="media" alt="" /><a href="http://www.dhtmlx.com/docs/products/docsExplorer/doc/index.html" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/docsExplorer/doc/index.html" rel="nofollow">XML Structure of components</a> <br/>
<img src="icons___file.gif" class="media" alt="" /> <a href="others___toc_handling_special_charac.html" class="wikilink1" title="others:toc_handling_special_charac">Handling special characters</a><br/>
<img src="icons___file.gif" class="media" alt="" /> <a href="others___toc_libcompiler.html" class="wikilink1" title="others:toc_libcompiler"> libCompiler</a><br/>
<img src="icons___file.gif" class="media" alt="" /> <a href="others___toc_dhtmlx_2_0_step_by_step.html" class="wikilink1" title="others:toc_dhtmlx_2_0_step_by_step">dhtmlx 2.0. Step By Step</a> <br/>
<img src="icons___file.gif" class="media" alt="" /> <a href="others___troubleshooting_common_errors.html" class="wikilink1" title="others:troubleshooting_common_errors">Troubleshooting common errors</a> <br/>
<img src="icons___file.gif" class="media" alt="" /> <a href="others___migration_version_25.html" class="wikilink1" title="others:migration_version_25">Migrating to the version 2.5</a>
</p>
</div>
<h4><a name="see_also_documentation_as" id="see_also_documentation_as">See also Documentation as</a></h4>
<div class="level4">
<p>
<img src="icons___chm.gif" class="media" alt="" /> <a href="http://dhtmlx.com/docs/download/dhtmlx_chm.zip" style="text-decoration:underline;" class="urlextern" title="http://dhtmlx.com/docs/download/dhtmlx_chm.zip" rel="nofollow">Documentation as CHM</a><br/>
</p>
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<h2><a name="migrating_to_the_version_2.5" id="migrating_to_the_version_2.5">Migrating to the version 2.5</a></h2>
<div class="level2">
<p>
Version 2.5 is backward compatible by <acronym title="Application Programming Interface">API</acronym> with versions 2.0 and 2.1 ( separate components is mostly compatible with version 1.6 as well ), so you will not need to made any special updates in code, while updating codebase to the version 2.5
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If you are using layout, accordion or tabbar then you will need to add the “dhtmlxcontainer.js” on the page. All above components doesn't require “dhtmlxWindows” anymore, and are fuly functional separately.
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Beware that dhtmlx.js, included in package, is compiled with dhx_skyblue skin, so if you are using the different skin - you will need to change skin in your code or recompile the dhtmlx.js through libCompiler. ( by the way, in case of components 2.5 you can change default skin for all component on the page , by simple defining dhtmlx.skin=“skin name” )
</p>
<p>
If after update, you start to receive “dhtmlx is undefined” error - be sure that
</p>
<ul>
<li class="level1"><div class="li"> latest version of dhtmlxcommon.js is used</div>
</li>
<li class="level1"><div class="li"> you are including all other dhtmlx-related js files <strong>after</strong> dhtmlxcommon.js</div>
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<h3><a name="migration_details_for_separate_components" id="migration_details_for_separate_components">Migration details for separate components</a></h3>
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<li class="level1"><div class="li"> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxlayout:from_20_to_25" style="text-decoration:underline;" class="wikilink1" title="dhtmlxlayout:from_20_to_25">dhtmlxLayout - migrating to the version 2.5</a></div>
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</li>
<li class="level1"><div class="li"> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxmenu:from_20_to_25" style="text-decoration:underline;" class="wikilink1" title="dhtmlxmenu:from_20_to_25">dhtmlxMenu/dhtmlxToolbar - migrating to the version 2.5</a></div>
</li>
<li class="level1"><div class="li"> <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxtabbar:from_20_to_25" style="text-decoration:underline;" class="wikilink1" title="dhtmlxtabbar:from_20_to_25">dhtmlxTabbar - migrating to the version 2.5</a></div>
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<div class="tocheader toctoggle" id="toc__header">Table of Contents</div>
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<li class="clear">
<ul class="toc">
<li class="level2"><div class="li"><span class="li"><a href="#libcomplier" class="toc">libComplier</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#libcomplier_s_interface" class="toc">libComplier's Interface</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#how_libcomplier_works" class="toc">How libComplier Works</a></span></div></li></ul>
</li></ul>
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<div class='backlinks'><div class='backlink last_backlink'><img src="icons___file.gif" class="media" alt="" /><a href="index.html" class="wikilink1" title="start">Index</a></div><div class='arrow'></div><div class='backlink last_backlink'><a href="/dhtmlx/docs/doku.php?id=others:toc" class="media" title="others:toc"></a><a href="/dhtmlx/docs/doku.php?id=others:toc" class="wikilink2" title="others:toc" rel="nofollow">others</a></div></div>
</p>
<h2><a name="libcomplier" id="libcomplier">libComplier</a></h2>
<div class="level2">
<p>
libComplier is a utility that is created for those users who intend to use dhtmlx components. This tool is designed to make the work of developers much easier. There's no need to set paths to different <acronym title="JavaScript">JS</acronym> and <acronym title="Cascading Style Sheets">CSS</acronym> files required for every single dhtmlx component. libComplier generates one <acronym title="JavaScript">JS</acronym> and one <acronym title="Cascading Style Sheets">CSS</acronym> files out of them all that the user can download and use. So, instead of a pack of different files, we get only two that contain all necessary code (including styles definition). What's more, the tool also provides users with all the necessary image files for the chosen component/components, stored in one archive.
</p>
<p>
This utility provides users with the possibility to:
</p>
<ul>
<li class="level1"><div class="li"> Choose the necessary component/components and desired set of functionality;</div>
</li>
<li class="level1"><div class="li"> Choose the necessary skin;</div>
</li>
<li class="level1"><div class="li"> Generate a <acronym title="JavaScript">JS</acronym> and a <acronym title="Cascading Style Sheets">CSS</acronym> files containing compilation of all the <acronym title="JavaScript">JS</acronym> and <acronym title="Cascading Style Sheets">CSS</acronym> files needed for the chosen component/components;</div>
</li>
<li class="level1"><div class="li"> Generate an archive containing a compiled <acronym title="JavaScript">JS</acronym> file and all necessary images.</div>
</li>
</ul>
<p>
Note: two last actions mentioned are done at the same time by one button click.
</p>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="49-1154" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_libcompiler" /><input type="submit" value="Edit" class="button" title="libComplier" /></div></form></div>
<h3><a name="libcomplier_s_interface" id="libcomplier_s_interface">libComplier's Interface</a></h3>
<div class="level3">
<p>
libComplier's interface is quite simple, intuitive, and user-friendly. The program is displayed with the help of “3J” Layout view with a Toolbar attached to it. Each item in this Layout can be collapsed or expanded; the dimensions of each them can be easily changed by dragging one of its sides with a mouse.
</p>
<p>
<img src="others___complier-interface2.png" class="media" alt="" />
</p>
</div>
<h4><a name="tree" id="tree">Tree</a></h4>
<div class="level4">
<p>
The Tree is displayed in the left upper item of Compiler's layout. The main parent tree node is called “dhtmlxComponents”. Its child branch items represent dhtmlx components. Leaf items stand for the main functionality of a certain component.
</p>
<p>
When the user checks any leaf item, all its parent items become checked as well. On startup none of tree items is checked, and only the main parent node is expanded. There is the possibility to expand or collapse all tree nodes using toolbar buttons. Also the user can check or uncheck all tree nodes by one button click.
</p>
</div>
<h5><a name="features" id="features">Features</a></h5>
<div class="level5">
<p>
There is also a drop-down list called “Features” in the functional panel of the left upper item of Compiler's layout. This drop-down list contains ready-made presets for the most commonly used dhtmlx components or their combinations.
</p>
<p>
The available ready-made presets are as follows:
</p>
<ul>
<li class="level1"><div class="li"> Custom Set - it's not a preset, it's the possibility for the user to return the tree to its initial state - when nothing is checked;</div>
</li>
<li class="level1"><div class="li"> Grid Basic - this preset includes basic grid functionality: data loading, sorting, resizing, editing (ed,ro,txt), data serialization, <acronym title="Application Programming Interface">API</acronym> for selection and rows adding;</div>
</li>
<li class="level1"><div class="li"> Grid Full - this preset contains all grid functionality - grouping, filtering, math, d-n-d, additional excell types;</div>
</li>
<li class="level1"><div class="li"> Tree Basic - here the user will find basic tree functionality: data loading from <acronym title="Extensible Markup Language">XML</acronym>, ability to add|delete rows, d-n-d, checkboxes;</div>
</li>
<li class="level1"><div class="li"> Tree Full - all tree functionality is included into this preset (sorting, loading from json, serialization, operation with cookies);</div>
</li>
<li class="level1"><div class="li"> TreeGrid Basic - this preset contains basic treegrid functionality, which is loading and <acronym title="Application Programming Interface">API</acronym>, plus basic grid functionality;</div>
</li>
<li class="level1"><div class="li"> TreeGrid Full - in this preset the user will find basic treegrid functionality + filtering in treegrid + ability to show tree lines, as well as full grid functionality; </div>
</li>
<li class="level1"><div class="li"> Suite Basic - this preset includes grid, tree, treegrid, combo, and tabbar components with their basic functionality;</div>
</li>
<li class="level1"><div class="li"> Suite Full - all functionality of all components is added to this preset;</div>
</li>
<li class="level1"><div class="li"> Explorer Base - this preset is a base set to use the layout and the main components (tree and grid).</div>
</li>
</ul>
<p>
When the user chooses one of the preset from the list, the utility checks the necessary tree nodes, which files will be compiled, and shows the details of the chosen preset.
On startup Custom Set preset is chosen from the drop-down list.
</p>
</div>
<h4><a name="details" id="details">Details</a></h4>
<div class="level4">
<p>
The Details part is situated right under the tree, in the left lower part of Complier's layout. It shows brief description for leaf items and for some of the branch items. The details are used to give the user general information on the chosen item.
</p>
</div>
<h4><a name="used_skin" id="used_skin">Used Skin</a></h4>
<div class="level4">
<p>
This part of Compiler's layout allows the user to choose the skin he wants to apply to his project. The only thing the user should do is to choose one of the available skins displayed by clicking the radio button near the skin name. Each available skin is backed up by a picture that can be viewed full size by clicking it. The picture then will be opened in a new window.
</p>
<p>
On startup dhx_blue skin is chosen.
</p>
</div>
<h4><a name="toolbar" id="toolbar">Toolbar</a></h4>
<div class="level4">
<p>
The toolbar contains the following buttons:
</p>
<ul>
<li class="level1"><div class="li"> Expand all - a click on this button expands all nodes in the Tree;</div>
</li>
<li class="level1"><div class="li"> Collapse all - a click on this button collapses all <a href="../dhtmlxtree/index.html" style="font-weight:bold;" class="wikilink1" title="dhtmlxtree:toc">Tree</a> nodes;</div>
</li>
<li class="level1"><div class="li"> Check all - a click on this button checks all <a href="../dhtmlxtree/index.html" style="font-weight:bold;" class="wikilink1" title="dhtmlxtree:toc">Tree</a> nodes (branch and leaf ones);</div>
</li>
<li class="level1"><div class="li"> Uncheck all - a click on this button uncheks all <a href="../dhtmlxtree/index.html" style="font-weight:bold;" class="wikilink1" title="dhtmlxtree:toc">Tree</a> nodes (branch and leaf ones);</div>
</li>
<li class="level1"><div class="li"> Generate - a click on this button generates a compiled <acronym title="JavaScript">JS</acronym> and a <acronym title="Cascading Style Sheets">CSS</acronym> files in an archive, a link to which is displayed in a popup “Generated code” window.</div>
</li>
</ul>
<p>
Note: “Generated code” window will be displayed only if the user has already chosen a skin and a component/components in the Tree.
</p>
</div>
<h5><a name="generated_code_window" id="generated_code_window">Generated Code Window</a></h5>
<div class="level5">
<p>
This popup window appears when the user clicks “Generate” toolbar button. The window contains the progress text while the system generates the necessary data.
When the data is generated, the window displays the following:
</p>
<ul>
<li class="level1"><div class="li"> Text: “Ready code stored at [path to the directory the code is stored];</div>
</li>
<li class="level1"><div class="li"> Archive link: “Get all as zip” - a link to the generated archive containing a <acronym title="JavaScript">JS</acronym> file, a <acronym title="Cascading Style Sheets">CSS</acronym> file, and all necessary images. The user can download the archive by clicking the link.</div>
</li>
</ul>
<p>
The user should close the window after the download is finished.
</p>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="1155-6006" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_libcompiler" /><input type="submit" value="Edit" class="button" title="libComplier's Interface" /></div></form></div>
<h3><a name="how_libcomplier_works" id="how_libcomplier_works">How libComplier Works</a></h3>
<div class="level3">
<p>
All files (<acronym title="JavaScript">JS</acronym> and <acronym title="Cascading Style Sheets">CSS</acronym> ones) are compressed and compiled into one <acronym title="JavaScript">JS</acronym> and one <acronym title="Cascading Style Sheets">CSS</acronym> files, which is put into an archive together with all the necessary image files.
</p>
<p>
The only parameter in get_files.php file, that the user can indicate, is the following:
</p>
<pre class="code javascript"> define<span class="br0">(</span><span class="st0">"YUI"</span><span class="sy0">,</span><span class="kw2">true</span><span class="br0">)</span>;
</pre>
<p>
Here true means that YUI compressor will be used for files compression. While false stands for more simple files compression.
</p>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/start/others___toc_libcompiler.html | HTML | art | 18,332 |
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others:special_characters_in_xml [DHX documentation]
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</p>
<h2><a name="special_characters_in_xml" id="special_characters_in_xml">Special Characters in XML</a></h2>
<div class="level2">
<p>
During the data loading from <acronym title="Extensible Markup Language">XML</acronym> file|string you can have some problems with several special characters.
For <acronym title="Extensible Markup Language">XML</acronym> those are < > &amp;
</p>
<p>
There are two ways to store them in <acronym title="Extensible Markup Language">XML</acronym>
</p>
<p>
a) Escaping - the characters can be replaced with related <acronym title="Extensible Markup Language">XML</acronym> entities
</p>
<pre class="code javascript"> <span class="sy0">></span> <span class="sy0">=></span> <span class="sy0">&</span>amp;gt;
<span class="sy0"><</span> <span class="sy0">=></span> <span class="sy0">&</span>amp;lt;
<span class="sy0">&</span>amp; <span class="sy0">=></span> <span class="sy0">&</span>amp;amp;</pre>
<p>
b) use CDATA section - any data can be stored within CDATA section
</p>
<pre class="code javascript"> <span class="sy0"><</span>cell<span class="sy0">></span> Specail characters <span class="sy0"><</span> <span class="sy0">></span> <span class="sy0">&</span>amp;</cell<span class="sy0">></span> <span class="sy0"><=</span> Incorrect
<span class="sy0"><</span>cell<span class="sy0">></span> Specail characters <span class="sy0">&</span>amp;lt; <span class="sy0">&</span>amp;gt; <span class="sy0">&</span>amp;amp;</cell<span class="sy0">></span> <span class="sy0"><=</span> Correct
<span class="sy0"><</span>cell<span class="sy0">><!</span><span class="br0">[</span>CDATA<span class="br0">[</span> Specail characters <span class="sy0"><</span> <span class="sy0">></span> <span class="sy0">&</span>amp;<span class="br0">]</span><span class="br0">]</span><span class="sy0">></</span>cell<span class="sy0">></span> <span class="sy0"><=</span> Correct</pre>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/start/others___special_characters_in_xml.html | HTML | art | 9,363 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
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others:toc_dhtmlx_2_0_step_by_step [DHX documentation]
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<!-- wikipage start -->
<!-- TOC START -->
<div class="toc">
<div class="tocheader toctoggle" id="toc__header">Table of Contents</div>
<div id="toc__inside">
<ul class="toc">
<li class="clear">
<ul class="toc">
<li class="level2"><div class="li"><span class="li"><a href="#dhtmlx_2.0._step_by_step" class="toc">dhtmlx 2.0. Step by Step</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#step_1._create_html_file" class="toc">Step 1. Create HTML File.</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_2._insert_dhtmlx_library_file" class="toc">Step 2. Insert DHTMLX Library File</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_3._prepare_html_page" class="toc">Step 3. Prepare HTML Page</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_4._choose_layout_for_application" class="toc">Step 4. Choose Layout for Application</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_5._adjust_panel_sizes" class="toc">Step 5. Adjust Panel Sizes</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_6._define_panel_headers" class="toc">Step 6. Define Panel Headers</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_7._add_top_menu" class="toc">Step 7. Add Top Menu</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_8._add_toolbar" class="toc">Step 8. Add Toolbar</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#setting_icons_or_images_paths_for_components" class="toc">Setting Icons or Images Paths for Components</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_9._add_tree_and_populate_with_data" class="toc">Step 9. Add Tree and Populate with Data</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_10._add_grid_and_load_directory_content" class="toc">Step 10. Add Grid and Load Directory Content</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_11._add_folders_and_load_directory_content" class="toc">Step 11. Add Folders and Load Directory Content</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#step_12._activate_relations_between_left_and_right_parts" class="toc">Step 12. Activate Relations between Left and Right Parts</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#conclusion" class="toc">Conclusion</a></span></div></li></ul>
</li></ul>
</li></ul>
</div>
</div>
<!-- TOC END -->
<p>
<div class='backlinks'><div class='backlink last_backlink'><img src="icons___file.gif" class="media" alt="" /><a href="index.html" class="wikilink1" title="start">Index</a></div><div class='arrow'></div><div class='backlink last_backlink'><a href="/dhtmlx/docs/doku.php?id=others:toc" class="media" title="others:toc"></a><a href="/dhtmlx/docs/doku.php?id=others:toc" class="wikilink2" title="others:toc" rel="nofollow">others</a></div></div>
</p>
<h2><a name="dhtmlx_2.0._step_by_step" id="dhtmlx_2.0._step_by_step">dhtmlx 2.0. Step by Step</a></h2>
<div class="level2">
<p>
The purpose of this tutorial is to show in step-by-step manner the easy way of building complex interface for <acronym title="Asynchronous JavaScript and XML">AJAX</acronym> based application with the help of DHTMLX library. This tutorial contains main stream - which describes the process of building Windows like file explorer and some includes (marked with orange border) which describes more complex functionality or provides more details about some things which don't relate to File Explorer development.
</p>
<p>
This tutorial is actual for dhtmlxSuite 2008 Rel.3 (initial release of dhtmlx 2.0). Further versions of dhtmlx components can contain some extra functionality which is not described here. Or some functionality can be used in some more convenient way.
</p>
<p>
Files related to this tutorial can be downloaded here: <a href="/dhtmlx/docs/lib/exe/fetch.php?media=others:dhtmlx20_tutorial.zip" class="media mediafile mf_zip" title="others:dhtmlx20_tutorial.zip">dhtmlx20_tutorial.zip</a>
</p>
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<h3><a name="step_1._create_html_file" id="step_1._create_html_file">Step 1. Create HTML File.</a></h3>
<div class="level3">
<p>
Any front end of <acronym title="Asynchronous JavaScript and XML">AJAX</acronym> based application is <acronym title="HyperText Markup Language">HTML</acronym> page. So, let's create a simple <acronym title="HyperText Markup Language">HTML</acronym> page:
</p>
<pre class="code javascript"> <span class="sy0"><</span>html<span class="sy0">></span>
<span class="sy0"><</span>head<span class="sy0">></span>
<span class="sy0"><</span>title<span class="sy0">></span>AJAX Application<span class="sy0"></</span>title<span class="sy0">></span>
<span class="sy0"></</span>head<span class="sy0">></span>
<span class="sy0"><</span>body<span class="sy0">></span>
<span class="sy0"></</span>body<span class="sy0">></span>
<span class="sy0"></</span>html<span class="sy0">></span>
</pre>
<p>
For further steps we'll use DHTMLX files concatenated with libCompiler, which is delivered within dhtmlxSuite and provides the possibility to unite all necessary components, functionality and appearance in single script file and single folder of necessary images.
</p>
</div>
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<h3><a name="step_2._insert_dhtmlx_library_file" id="step_2._insert_dhtmlx_library_file">Step 2. Insert DHTMLX Library File</a></h3>
<div class="level3">
<p>
If you do not have <acronym title="Hypertext Preprocessor">PHP</acronym> on the server where you inflated dhtmlxSuite archive to, then you can just choose from the presets which already exists in the package (see directory “presets” in the root of the package). To get all available possibilities, just get preset “full”.
If you have <acronym title="Hypertext Preprocessor">PHP</acronym> and you do want to create your own set of components and functionality, then brows to libCompiler/index.html. There you'll see tree of available components with nested nodes representing available functionality and possible variants of skinning on the right side. You have two options from now:
</p>
<ul>
<li class="level1"><div class="li"> choose preset from the dropdown list above the tree (after you make a selection it will check checkboxes near chosen components/functionality). You'll be able to extend selection or uncheck unnecessary points before generating resulting file. Also choose what skin you'd like to use for the application (on right side of libCompiler interface).</div>
</li>
<li class="level1"><div class="li"> or just start from bland print and check just necessary points yourself</div>
</li>
</ul>
<p>
I would choose the first option. Moreover, on stage of development I would use “full” preset keeping the possibility to decrease the file size for the final stage of development. Well, either way you go, you'll get two files (js and css) and a folder with images at the end. Files are: dhtmlx.js and dhtmlx.css, folder name is imgs. Put all where you need them (css and imgs should be put togather as you got them). I put in the codebase directory in the root folder of my future app. And added js and css files to the html I have:
</p>
<pre class="code javascript"> <span class="sy0"><</span>html<span class="sy0">></span>
<span class="sy0"><</span>head<span class="sy0">></span>
<span class="sy0"><</span>title<span class="sy0">></span>AJAX Application<span class="sy0"></</span>title<span class="sy0">></span>
<span class="sy0"><</span>script src<span class="sy0">=</span><span class="st0">"codebase/dtmlx.js"</span><span class="sy0">></</span>script<span class="sy0">></span>
<span class="sy0"><</span>link rel<span class="sy0">=</span><span class="st0">"STYLESHEET"</span> type<span class="sy0">=</span><span class="st0">"text/css"</span> href<span class="sy0">=</span><span class="st0">"codebase/dhtmlx.css"</span><span class="sy0">></span>
<span class="sy0"></</span>head<span class="sy0">></span>
<span class="sy0"><</span>body<span class="sy0">></span>
<span class="sy0"></</span>body<span class="sy0">></span>
<span class="sy0"></</span>html<span class="sy0">></span>
</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="1425-3279" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 2. Insert DHTMLX Library File" /></div></form></div>
<h3><a name="step_3._prepare_html_page" id="step_3._prepare_html_page">Step 3. Prepare HTML Page</a></h3>
<div class="level3">
<p>
To prepare <acronym title="HyperText Markup Language">HTML</acronym> page for full-screen dhtmlxLayout, you need to set some parameters of body tag. This can be actual just for initial release of DHTMLX 2.0 and can be not necessary for newer releases:
</p>
<pre class="code javascript"> <span class="sy0"><</span>body style<span class="sy0">=</span><span class="st0">"width:100%; height:100%; margin:0px; overflow:hidden;"</span><span class="sy0">></span>
</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="3280-3622" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 3. Prepare HTML Page" /></div></form></div>
<h3><a name="step_4._choose_layout_for_application" id="step_4._choose_layout_for_application">Step 4. Choose Layout for Application</a></h3>
<div class="level3">
<p>
There are some predefined layout structures you can choose from. All of them are shown in dhtmlxLayout documentation. Their names start with number (reflects number of panels) followed by letter. For File Explorer we need quite simple one - “2U”. Left panel for navigation tree and right one for directory content. To start coding I would add onload event handler to body and place all necessary code in event handler. Also, we need to define global variables for all necessary objects (left side navigation tree, folders and grid for directory view, menu and toolbar for… for menu and toolbar ;). And layout itself of course.).
</p>
<p>
First we initialize full-screen layout.
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
<span class="kw2">var</span> myLayout<span class="sy0">,</span> myTree<span class="sy0">,</span> myGrid<span class="sy0">,</span> myFolders<span class="sy0">,</span> myMenu<span class="sy0">,</span> myToolbar
<span class="kw2">var</span> gl_view_type <span class="sy0">=</span> <span class="st0">"icons"</span>; <span class="co1">//icons,dlist,tiles ...</span>
<span class="kw2">var</span> gl_view_bg <span class="sy0">=</span> <span class="st0">""</span>; <span class="co1">//which component is used for directory content view - grid or folders, empty from start</span>
<span class="kw2">function</span> doOnLoad<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
myLayout <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXLayoutObject<span class="br0">(</span>document.<span class="me1">body</span><span class="sy0">,</span> <span class="st0">"2U"</span><span class="sy0">,</span> <span class="st0">"dhx_blue"</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="sy0"></</span>script<span class="sy0">></span>
<span class="sy0"><</span>body <span class="kw3">onload</span><span class="sy0">=</span><span class="st0">"doOnLoad()"</span> style<span class="sy0">=</span><span class="st0">"width:100%; height:100%; margin:0px; overflow:hidden;"</span><span class="sy0">></span>
</pre>
</div>
<h4><a name="ways_of_initialization" id="ways_of_initialization">Ways of Initialization</a></h4>
<div class="level4">
<p>
Besides full screen initialization there are some others:
</p>
<ul>
<li class="level1"><div class="li"> window based (initialize layout inside dhtmlxWindow);</div>
</li>
<li class="level1"><div class="li"> object based (initialize layout inside some object on page, for example DIV);</div>
</li>
<li class="level1"><div class="li"> initialization inside another layout panel</div>
</li>
</ul>
<p>
(Nested layouts topic is described below)
</p>
</div>
<h4><a name="unified_skins" id="unified_skins">Unified Skins</a></h4>
<div class="level4">
<p>
Some words about skins. dhtmlx components has various predefined skins. Since version 2.0, when we provide the possibility to unite different components under the application interface, we also added some skins which can be applied to entire interface. Under dhtmlxLayout all dhtmlx components get unified skin set for the layout automatically (but we keep the possibility to set skin to each component also). These unified skins names start with “dhx_”:<br/>
dhx_black, dhx_light, dhx_lightblue. <br/>
So, using one of them as 3rd argument in dhtmlxLayout constructor you apply this skin on all dhtmlx components also.
</p>
</div>
<h4><a name="nested_layouts" id="nested_layouts">Nested Layouts</a></h4>
<div class="level4">
<p>
If non of predefined layouts suites you absolutely, you can combine structures inserting one into another. For example:
</p>
<pre class="code javascript"> myLayoutTop <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXLayoutObject<span class="br0">(</span>document.<span class="me1">body</span><span class="sy0">,</span> <span class="st0">"2U"</span><span class="br0">)</span>;
myLayoutIns <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXLayoutObject<span class="br0">(</span>myLayoutTop.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"a"</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">"2U"</span><span class="br0">)</span>;
</pre>
<p>
This code creates 2U layout in the left panel of myLayoutTop layout. Thus you'll have 3 panels for further wok now:
</p>
<ul>
<li class="level1"><div class="li"> myLayoutTop.cells(“b”);</div>
</li>
<li class="level1"><div class="li"> myLayoutIns.cells(“a”);</div>
</li>
<li class="level1"><div class="li"> myLayoutIns.cells(“b”).</div>
</li>
</ul>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="3623-6367" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 4. Choose Layout for Application" /></div></form></div>
<h3><a name="step_5._adjust_panel_sizes" id="step_5._adjust_panel_sizes">Step 5. Adjust Panel Sizes</a></h3>
<div class="level3">
<pre class="code javascript"> <span class="kw2">function</span> doOnLoad<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
myLayout <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXLayoutObject<span class="br0">(</span>document.<span class="me1">body</span><span class="sy0">,</span> <span class="st0">"2U"</span><span class="sy0">,</span> <span class="st0">"dhx_black"</span><span class="br0">)</span>;
myLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"a"</span><span class="br0">)</span>.<span class="me1">setWidth</span><span class="br0">(</span><span class="nu0">250</span><span class="br0">)</span>;
<span class="br0">}</span>
</pre>
</div>
<h4><a name="using_panels_in_script" id="using_panels_in_script">Using Panels in Script</a></h4>
<div class="level4">
<p>
There are two ways to apply to panel:
</p>
<ul>
<li class="level1"><div class="li"> through the name (panels in dhtmlxLayout are named alphabetically: a,b,c,d etc.)</div>
</li>
</ul>
<pre class="code javascript"> dhxLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"a"</span><span class="br0">)</span>
</pre><ul>
<li class="level1"><div class="li"> through index (zero based)</div>
</li>
</ul>
<pre class="code javascript"> dhxLayout.<span class="me1">items</span><span class="br0">[</span>0<span class="br0">]</span>
</pre>
</div>
<h4><a name="panel_dimensions" id="panel_dimensions">Panel Dimensions</a></h4>
<div class="level4">
<p>
Besides width you can define panel height
</p>
<pre class="code javascript">myLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"a"</span><span class="br0">)</span>.<span class="me1">setHeight</span><span class="br0">(</span><span class="nu0">250</span><span class="br0">)</span>;</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="6368-7056" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 5. Adjust Panel Sizes" /></div></form></div>
<h3><a name="step_6._define_panel_headers" id="step_6._define_panel_headers">Step 6. Define Panel Headers</a></h3>
<div class="level3">
<p>
I'll leave header for the panel with folders tree and hide it for the panel with folder's content. Also, I'll change default header label (“a” for the panel in question) to “Folders”.
</p>
<pre class="code javascript"> <span class="kw2">function</span> doOnLoad<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
myLayout <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXLayoutObject<span class="br0">(</span>document.<span class="me1">body</span><span class="sy0">,</span> <span class="st0">"2U"</span><span class="sy0">,</span> <span class="st0">"dhx_black"</span><span class="br0">)</span>;
myLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"a"</span><span class="br0">)</span>.<span class="me1">setText</span><span class="br0">(</span><span class="st0">"Folders"</span><span class="br0">)</span>;
myLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"b"</span><span class="br0">)</span>.<span class="me1">hideHeader</span><span class="br0">(</span><span class="br0">)</span>;
<span class="br0">}</span>
</pre>
<p>
Current version of dhtmlxLayout (2.0 build 80829) provides the possibility to collapse/expand panel with mouse click through header only. Thus if you hide header for the panel user will not be able to collapse this panel.
</p>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="7057-7733" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 6. Define Panel Headers" /></div></form></div>
<h3><a name="step_7._add_top_menu" id="step_7._add_top_menu">Step 7. Add Top Menu</a></h3>
<div class="level3">
<p>
I'll create top menu with items more or less similar to those you can see in your Windows Explorer. You'll be able to find ready to use fileExplorerMenu.xml file in the package of this tutorial files (see link in the introduction). Most items are dsabled there, cause they are not the goal of this tutorial. <acronym title="Extensible Markup Language">XML</acronym> structure for dhtmlxMenu 2.0 can be found in <a href="http://www.dhtmlx.com/docs/products/dhtmlxMenu/doc/guide.html" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/dhtmlxMenu/doc/guide.html" rel="nofollow">dhtmlxMenu 2.0 documentation</a> or in the <a href="http://www.dhtmlx.com/docs/products/docsExplorer/doc/dhtmlxxml/index.html" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/docsExplorer/doc/dhtmlxxml/index.html" rel="nofollow">doc article</a> which describes <acronym title="Extensible Markup Language">XML</acronym> structures of all dhtmlx components.
</p>
<pre class="code javascript"> <span class="kw2">function</span> doOnLoad<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
...
<span class="me1">myMenu</span> <span class="sy0">=</span> myLayout.<span class="me1">attachMenu</span><span class="br0">(</span><span class="br0">)</span>;
myMenu.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"codebase/imgs/dhx_blue"</span><span class="br0">)</span>;
myMenu.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"xml/fileExplorerMenu.xml"</span><span class="br0">)</span>;
<span class="br0">}</span>
</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="7734-8602" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 7. Add Top Menu" /></div></form></div>
<h3><a name="step_8._add_toolbar" id="step_8._add_toolbar">Step 8. Add Toolbar</a></h3>
<div class="level3">
<p>
Same as with the menu, toolbar items will be more or less similar to Windows File Explorer toolbar. You'll be able to find ready to use fileExplorerToolbar.xml file in the package of this tutorial files (see link in the introduction). <acronym title="Extensible Markup Language">XML</acronym> structure for dhtmlxToolbar 2.0 can be found in <a href="http://www.dhtmlx.com/docs/products/dhtmlxToolbar/doc/guide.html" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/dhtmlxToolbar/doc/guide.html" rel="nofollow">dhtmlxToolbar 2.0 documentation</a> or in the <a href="http://www.dhtmlx.com/docs/products/docsExplorer/doc/dhtmlxxml/index.html" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/docsExplorer/doc/dhtmlxxml/index.html" rel="nofollow">doc article</a> which describes <acronym title="Extensible Markup Language">XML</acronym> structures of all dhtmlx components.
</p>
<pre class="code javascript"> <span class="kw2">function</span> doOnLoad<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
...
<span class="me1">myToolbar</span> <span class="sy0">=</span> myLayout.<span class="me1">attachToolbar</span><span class="br0">(</span><span class="br0">)</span>;
myToolbar.<span class="me1">setIconPath</span><span class="br0">(</span><span class="st0">"images/toolbar/"</span><span class="br0">)</span>;
myToolbar.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"xml/fileExplorerToolbar.xml"</span><span class="br0">)</span>;
<span class="br0">}</span>
</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="8603-9412" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 8. Add Toolbar" /></div></form></div>
<h3><a name="setting_icons_or_images_paths_for_components" id="setting_icons_or_images_paths_for_components">Setting Icons or Images Paths for Components</a></h3>
<div class="level3">
<p>
The difference in using setIconPath or setImagePath methods in dhtmlx components is the following: setIconPath defines the folder with graphical materials which are used in component but which are not parts of component - for example icons for buttons on toolbar, images in grid which represent some data. In most cases developer specifies the file names for these images (for example in <acronym title="Extensible Markup Language">XML</acronym>) and these images are not delivered within components package (but can be in some cases).
</p>
<p>
On the other hand setImagePath defines the path to folder with images which are parts of component. For example parts of component skin or integral part of component functionality (like radiobutton or checkbox icons in grid, tree, menu or sorting arrow in grid, plus/minus signs in treegrid and tree). In all cases such images are delivered with components and located in codebase/imgs folder (or imgs folder inside preset directory for dhtmlx presets). So, setImagePath sets path to this imgs folder related to the page you use components on.
</p>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="9413-10502" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Setting Icons or Images Paths for Components" /></div></form></div>
<h3><a name="step_9._add_tree_and_populate_with_data" id="step_9._add_tree_and_populate_with_data">Step 9. Add Tree and Populate with Data</a></h3>
<div class="level3">
<p>
Most dhtmlx components can be attached to the dhtmlxLayout panel with single command. You did this with Menu and Toolbar. Same with the tree. After attaching the component you can work with it - configure, populate with data. In case of tree, we need to pass one value inside attachTree method (same we do for dhtmlxTree constructor when use it) - id of tree super-root element (id attribute of “tree” node in <acronym title="Extensible Markup Language">XML</acronym> with tree structure). In most case “0” is ok.
</p>
<pre class="code javascript"> <span class="kw2">function</span> doOnLoad<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
...
<span class="me1">myTree</span> <span class="sy0">=</span> myLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"a"</span><span class="br0">)</span>.<span class="me1">attachTree</span><span class="br0">(</span><span class="st0">"0"</span><span class="br0">)</span>;
myTree.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"codebase/imgs/"</span><span class="br0">)</span>;
myTree.<span class="me1">setXMLAutoLoading</span><span class="br0">(</span><span class="st0">"xml/directoryTree.php"</span><span class="br0">)</span>;
myTree.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"xml/directoryTree.php"</span><span class="br0">)</span>;
<span class="br0">}</span>
</pre>
<p>
directoryTree.php outputs directory structure in <acronym title="Extensible Markup Language">XML</acronym> format required by dhtmlxTree. In our case it outputs one level at a time based on incoming directory (as directory structure can be quite big we use <a href="http://www.dhtmlx.com/docs/products/dhtmlxTree/doc/dyn_loading.html" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/dhtmlxTree/doc/dyn_loading.html" rel="nofollow">dynamical loading</a>, loading just one level on request). If no directory came it ouputs starting directory (starting directory is specified in config.php included in tutorial files package. Find download link in Itroduction)
</p>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="10503-11799" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 9. Add Tree and Populate with Data" /></div></form></div>
<h3><a name="step_10._add_grid_and_load_directory_content" id="step_10._add_grid_and_load_directory_content">Step 10. Add Grid and Load Directory Content</a></h3>
<div class="level3">
<p>
Again, we just add grid to dhtmlxLayout panel (in this case “b”) and then just work with grid - configuring and loading data. Tutorial of dhtmlxgrid basics is available <a href="http://www.dhtmlx.com/docs/products/dhtmlxGrid/doc/step-by-step/ch_basics.html" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/dhtmlxGrid/doc/step-by-step/ch_basics.html" rel="nofollow">here</a>.
</p>
<pre class="code javascript"> <span class="kw2">function</span> showDList<span class="br0">(</span>dir<span class="br0">)</span><span class="br0">{</span>
<span class="co1">//create grid in layout</span>
myGrid <span class="sy0">=</span> myLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"b"</span><span class="br0">)</span>.<span class="me1">attachGrid</span><span class="br0">(</span><span class="br0">)</span>;
<span class="co1">//configure grid with script</span>
myGrid.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"codebase/imgs/"</span><span class="br0">)</span>;
myGrid.<span class="me1">setHeader</span><span class="br0">(</span><span class="st0">"&amp;nbsp;,Name,Size,Type,Modified"</span><span class="br0">)</span>;
myGrid.<span class="me1">setColTypes</span><span class="br0">(</span><span class="st0">"img,ro,ro,ro"</span><span class="br0">)</span>;
myGrid.<span class="me1">setInitWidths</span><span class="br0">(</span><span class="st0">"20,250,50,100,*"</span><span class="br0">)</span>;
myGrid.<span class="me1">setColAlign</span><span class="br0">(</span><span class="st0">"center,left,right,left"</span><span class="br0">)</span>;
<span class="co1">//load directory contnet description in XML format</span>
myGrid.<span class="me1">load</span><span class="br0">(</span><span class="st0">"xml/directoryContent.php?dir="</span><span class="sy0">+</span>dir<span class="br0">)</span>
<span class="br0">}</span>
</pre>
<p>
directoryContent.php outputs directory content (based on incoming directory) in dhtmlxGrid <acronym title="Extensible Markup Language">XML</acronym> format with all necessary details for each item (file or directory):
</p>
<ul>
<li class="level1"><div class="li"> icon file name;</div>
</li>
<li class="level1"><div class="li"> item name;</div>
</li>
<li class="level1"><div class="li"> item type (folder, text file, word document etc.);</div>
</li>
<li class="level1"><div class="li"> size;</div>
</li>
<li class="level1"><div class="li"> last modification date.</div>
</li>
</ul>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="11800-12989" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="others:toc_dhtmlx_2_0_step_by_step" /><input type="submit" value="Edit" class="button" title="Step 10. Add Grid and Load Directory Content" /></div></form></div>
<h3><a name="step_11._add_folders_and_load_directory_content" id="step_11._add_folders_and_load_directory_content">Step 11. Add Folders and Load Directory Content</a></h3>
<div class="level3">
<p>
dhtmlxFolders is used to display data items one by one based on incoming data and some visualization template. In our case, we'll use same datasource as we do for grid - directoryContent.php - and visualization templates (rendering functions) to display data items either as icons or as tiles (names are similar to Windows Explorer, so you can take a look there to see what should be the result).
</p>
<p>
Adding dhtmlxFolders to layout is as simple as in previous steps: just one command.
</p>
<pre class="code javascript"> <span class="kw2">function</span> showOtherViews<span class="br0">(</span>dir<span class="br0">)</span><span class="br0">{</span>
<span class="co1">//create Folders in layout</span>
myFolders <span class="sy0">=</span> myLayout.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"b"</span><span class="br0">)</span>.<span class="me1">attachFolders</span><span class="br0">(</span><span class="br0">)</span>;
<span class="co1">//confugure settings</span>
myFolders.<span class="me1">enableSelection</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span>;
myFolders.<span class="me1">setItemTagName</span><span class="br0">(</span><span class="st0">"row"</span><span class="br0">)</span>;
<span class="co1">//change type of items depending on required</span>
<span class="kw1">if</span><span class="br0">(</span>gl_view_type<span class="sy0">==</span><span class="st0">"icons"</span><span class="br0">)</span><span class="br0">{</span>
myFolders.<span class="me1">setItemType</span><span class="br0">(</span><span class="st0">"js_generic"</span><span class="sy0">,</span>rendFuncIcons<span class="br0">)</span>;
myFolders.<span class="me1">setCSSBaseName</span><span class="br0">(</span><span class="st0">"ficon"</span><span class="br0">)</span>;
<span class="br0">}</span><span class="kw1">else</span> <span class="kw1">if</span><span class="br0">(</span>gl_view_type<span class="sy0">==</span><span class="st0">"tiles"</span><span class="br0">)</span><span class="br0">{</span>
myFolders.<span class="me1">setItemType</span><span class="br0">(</span><span class="st0">"js_generic"</span><span class="sy0">,</span>rendFuncTiles<span class="br0">)</span>;
myFolders.<span class="me1">setCSSBaseName</span><span class="br0">(</span><span class="st0">"ftiles"</span><span class="br0">)</span>;
<span class="br0">}</span>
myFolders.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"xml/directoryContent.php?dir="</span><span class="sy0">+</span>dir<span class="br0">)</span>;
<span class="br0">}</span>
</pre>
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<h3><a name="step_12._activate_relations_between_left_and_right_parts" id="step_12._activate_relations_between_left_and_right_parts">Step 12. Activate Relations between Left and Right Parts</a></h3>
<div class="level3">
<p>
Attaching dhtmlxFolders to panel “b” removes grid from there (as we attach grid to panel “b” too) and visa versa. So, depending on currently selected view format (user can make a choice in toolbar) we should call either showDList or showOtherViews function to switch between view formats. And we should do this in two cases:
</p>
<ol>
<li class="level1"><div class="li"> when user clicks on some item in folders tree (load different content for same view format)</div>
</li>
<li class="level1"><div class="li"> when user changes view format through toolbar or menu (use different view format for same content)</div>
</li>
</ol>
<p>
In both cases we should use event handlers - of tree (onSelect) and of toolbar (onClick) and menu (onRadioClick as we used radiobuttons in menu for this purposes). Here is the code where I define event handlers and call same function in which I decide if to call showDList or showOtherViews. As far as menu and toolbar items use same IDs for view related items, I'll use same event handler for both.
</p>
<pre class="code javascript"> <span class="kw2">function</span> showDirContent<span class="br0">(</span>dir<span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span><span class="br0">(</span>gl_view_type<span class="sy0">==</span><span class="st0">"dlist"</span><span class="br0">)</span><span class="br0">{</span>
showDList<span class="br0">(</span>dir<span class="br0">)</span>;
<span class="br0">}</span><span class="kw1">else</span><span class="br0">{</span>
showOtherViews<span class="br0">(</span>dir<span class="br0">)</span>;
<span class="br0">}</span>
<span class="br0">}</span>
<span class="co1">//this function we'll use for toolbar and menu event handlers</span>
<span class="kw2">function</span> defineTypeAndLoad<span class="br0">(</span>id<span class="br0">)</span><span class="br0">{</span>
<span class="co1">//set global variable value depending on user choice</span>
<span class="kw1">if</span><span class="br0">(</span>id<span class="sy0">==</span><span class="st0">"view_dlist"</span><span class="br0">)</span>
gl_view_type<span class="sy0">=</span><span class="st0">"dlist"</span>;
<span class="kw1">else</span> <span class="kw1">if</span><span class="br0">(</span>id<span class="sy0">==</span><span class="st0">"view_icons"</span><span class="br0">)</span>
gl_view_type<span class="sy0">=</span><span class="st0">"icons"</span>;
<span class="kw1">else</span> <span class="kw1">if</span><span class="br0">(</span>id<span class="sy0">==</span><span class="st0">"view_tiles"</span><span class="br0">)</span>
gl_view_type<span class="sy0">=</span><span class="st0">"tiles"</span>;
<span class="co1">//call function</span>
<span class="kw1">if</span><span class="br0">(</span>id.<span class="me1">toString</span><span class="br0">(</span><span class="br0">)</span>.<span class="me1">indexOf</span><span class="br0">(</span><span class="st0">"view"</span><span class="br0">)</span><span class="sy0">==</span>0<span class="br0">)</span>
showDirContent<span class="br0">(</span>myTree.<span class="me1">getSelectedItemId</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="co1">//tree event handler onSelect passes selected item ID as argument to the function. This is what we need in showDirContent, as I used directories as items IDs </span>
myTree.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onSelect"</span><span class="sy0">,</span>showDirContent<span class="br0">)</span>
myToolbar.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onClick"</span><span class="sy0">,</span>defineTypeAndLoad<span class="br0">)</span>;
myMenu.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onRadioClick"</span><span class="sy0">,</span>defineTypeAndLoad<span class="br0">)</span>;</pre>
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<h3><a name="conclusion" id="conclusion">Conclusion</a></h3>
<div class="level3">
<p>
This tutorial demonstrated how easy you can create the interface of your web application based on dhtmlxLayout. To investigate the application code in details, please download it here: <a href="/dhtmlx/docs/lib/exe/fetch.php?media=others:dhtmlx20_tutorial.zip" class="media mediafile mf_zip" title="others:dhtmlx20_tutorial.zip">dhtmlx20_tutorial.zip</a>. You may continue coding it, extending basic functionality which was described in this tutorial and implemented in the resulting application. Final application logic was not the goal of this article, but interface built here is a good start for creating full functional File Browser.
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<h2><a name="special_encodings_in_xml" id="special_encodings_in_xml">Special Encodings in XML</a></h2>
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<p>
The component has agnostic encoding, so it will support any encoding which are supported by browser, just make sure you have correct <acronym title="Extensible Markup Language">XML</acronym> header
<?xml version=“1.0” encoding=“<acronym title="International Organization for Standardization">ISO</acronym>-8859-1” ?>
The encoding attribute must specify correct encoding value. ( if this attribute is omitted, UTF-8 will be used by default)
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<h2><a name="special_characters_serialization" id="special_characters_serialization">Special Characters Serialization</a></h2>
<div class="level2">
<p>
When the grid has been serialized back to <acronym title="Extensible Markup Language">XML</acronym>, special characters in cells can corrupt the final <acronym title="Extensible Markup Language">XML</acronym>. To prevent such issue you can force the usage of CDATA during serialization. ( CDATA makes any content safe, so the final <acronym title="Extensible Markup Language">XML</acronym> will be valid in any case )
This mode can be enabled with the setSerializationLevel command
</p>
<pre class="code javascript"> grid.<span class="me1">setSerializationLevel</span><span class="br0">(</span><span class="kw2">false</span><span class="sy0">,</span><span class="kw2">false</span><span class="sy0">,</span><span class="kw2">false</span><span class="sy0">,</span><span class="kw2">false</span><span class="sy0">,</span><span class="kw2">false</span><span class="sy0">,</span><span class="kw2">true</span><span class="br0">)</span>;</pre>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/start/others___special_characters_serialization.html | HTML | art | 8,497 |
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<div class="tocheader toctoggle" id="toc__header">Table of Contents</div>
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<ul class="toc">
<li class="clear">
<ul class="toc">
<li class="clear">
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#why_should_you_read_this" class="toc">Why Should You Read This ?</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#usage_guidelinesthe_entire_package_or_separate_components" class="toc">Usage Guidelines: the Entire Package or Separate Components?</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#dhtmlxsuite_location" class="toc">dhtmlxSuite Location</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#documentation_location" class="toc">Documentation Location</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#required_development_files" class="toc">Required Development Files</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#files_size" class="toc">Files Size</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#starting_from_html" class="toc">Starting from html</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#allocating_components_on_page" class="toc">Allocating Components on Page</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#how_to_initialize_components" class="toc">How to Initialize Components</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#how_to_set_parameters_configuration" class="toc">How to Set Parameters (Configuration)</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#event_handlers" class="toc">Event Handlers</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#how_to_create_interface_completely" class="toc">How to Create Interface Completely</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#how_to_go_on_working_with_components" class="toc">How to Go On Working with Components</a></span></div></li></ul>
</li></ul>
</li></ul>
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<!-- TOC END -->
<h3><a name="why_should_you_read_this" id="why_should_you_read_this">Why Should You Read This ?</a></h3>
<div class="level3">
<p>
Before working with library, scavenging information from the documentation, checking examples and making up conclusions - consolatory or not – you should read this article. It will take less than 10 minutes, but will save considerably more of your time in the near future. This article is aimed to explain the working logic of library and to provide the basic code examples. In case you intend to go deep into the matter and jump to creating applications you can be sure this article meets your needs. Well, let’s come down to practice:
</p>
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<h3><a name="usage_guidelinesthe_entire_package_or_separate_components" id="usage_guidelinesthe_entire_package_or_separate_components">Usage Guidelines: the Entire Package or Separate Components?</a></h3>
<div class="level3">
<p>
Dhtmlx library consists of different components, which can be used separately – for example, you are allowed to insert grid into your application for data output in table mode, tree and menu – for navigation purposes. As well, you can use the entire library to get necessary functionality and structure interface.
</p>
</div>
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<h3><a name="dhtmlxsuite_location" id="dhtmlxsuite_location">dhtmlxSuite Location</a></h3>
<div class="level3">
<p>
To start working with library you should download dhtmlxSuite<a href="http://dhtmlx.com/docs/download.shtml" style="text-decoration:underline;" class="urlextern" title="http://dhtmlx.com/docs/download.shtml" rel="nofollow">here</a>. Package contains 15 (or 16 for professional edition) components. All components are listed on download page.
</p>
<p>
Package content:
</p>
<ol>
<li class="level1"><div class="li"> Folders with separate components;</div>
</li>
<li class="level1"><div class="li"> Folder with the tool that allows to integrate all necessary items in one script file - libCompiler;</div>
</li>
<li class="level1"><div class="li"> dhtmlx_std_full.zip – this is all you need for quick start. The archive contains all available components with all available functionality.<br/>
dhtmlx_pro_full.zip – the same for Professional Edition;</div>
</li>
<li class="level1"><div class="li"> index.html - file starting Docs and Samples Explorer.</div>
</li>
</ol>
</div>
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<h3><a name="documentation_location" id="documentation_location">Documentation Location</a></h3>
<div class="level3">
<p>
When you unpack the entire archive you will find index.html file (see point 4 in the paragraph above) and only after starting this file you will be able to see all components documentation. Thus, the archive file doesn't contain documentation. It is distributed within component folders, if you need to have access to all documentation files you can find it in dhtmlx Docs and Samples Explorer. By the way, you can avoid unpacking procedure and local working, there is an opportunity to check documentation on our site, all necessary documentation and samples are here: <a href="http://dhtmlx.com/docs/products/docsExplorer/index.shtml" style="text-decoration:underline;" class="urlextern" title="http://dhtmlx.com/docs/products/docsExplorer/index.shtml" rel="nofollow">http://dhtmlx.com/docs/products/docsExplorer/index.shtml</a>
</p>
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<h3><a name="required_development_files" id="required_development_files">Required Development Files</a></h3>
<div class="level3">
<p>
To start working immediately, you should unpack dhtmlx_std_full.zip (dhtmlx_pro_full.zip) archive in the place from where you are going to load scripts (Note: the folder must be available through web-server, otherwise some functionality will not be able to work). In any case, you are creating a web-application, so a web-server involvement is mandatory.
</p>
<p>
Except script file, archive contains styles file and all necessary images. So, let's unpack it in /codebase for example. The structure looks approximately as follows:
</p>
<pre class="code"> [codebase]
[imgs]
dhtmlx.js
dhtmlx.css
index.html</pre>
<p>
The last file indicates where we will create the interface of the application and make it work.
</p>
</div>
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<h3><a name="files_size" id="files_size">Files Size</a></h3>
<div class="level3">
<p>
Don't be confused with the size of the script file - 900 Kbytes. First, it contains the entire functionality, including specific one. When it comes to your application release, you will be able to leave just necessary functionality using the attached tool (see point 2). Secondly, all modern browsers support operating with the packed scripts, as for gzip format, here the maximum bundling weighs less than 200 Kbyts, so, browser successfully caches it as well as external content.
</p>
<p>
Also, you can use files only with necessary functionality. But in this case it's required permanent synchronization with documentation (to know which file has to be pasted to make work certain functionality). For more details about files required for component initialization and functionality support (extensions usage), see separate components documentation.
</p>
</div>
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<h3><a name="starting_from_html" id="starting_from_html">Starting from html</a></h3>
<div class="level3">
<p>
Let's return to index.html file.
</p>
<pre class="code html4strict"><span class="sc0"><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"></span>
<span class="sc2"><<a href="http://december.com/html/4/element/html.html" style="text-decoration:underline;"><span class="kw2">html</span></a>></span>
<span class="sc2"><<a href="http://december.com/html/4/element/head.html" style="text-decoration:underline;"><span class="kw2">head</span></a>></span>
<span class="sc2"><<a href="http://december.com/html/4/element/title.html" style="text-decoration:underline;"><span class="kw2">title</span></a>></span>My Application<span class="sc2"><<span class="sy0">/</span><a href="http://december.com/html/4/element/title.html" style="text-decoration:underline;"><span class="kw2">title</span></a>></span>
<span class="sc2"><<a href="http://december.com/html/4/element/link.html" style="text-decoration:underline;"><span class="kw2">link</span></a> <span class="kw3">rel</span><span class="sy0">=</span><span class="st0">"STYLESHEET"</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text/css"</span> <span class="kw3">href</span><span class="sy0">=</span><span class="st0">"codebase/dhtmlx.css"</span>></span>
<span class="sc2"><<a href="http://december.com/html/4/element/script.html" style="text-decoration:underline;"><span class="kw2">script</span></a> <span class="kw3">src</span><span class="sy0">=</span><span class="st0">"codebase/dhtmlx.js"</span> <span class="kw3">type</span><span class="sy0">=</span><span class="st0">"text/javascript"</span>><<span class="sy0">/</span><a href="http://december.com/html/4/element/script.html" style="text-decoration:underline;"><span class="kw2">script</span></a>></span>
<span class="sc2"><<a href="http://december.com/html/4/element/script.html" style="text-decoration:underline;"><span class="kw2">script</span></a>></span>
function buildInterface(){
//entire code for interface init will go here
}
dhtmlxEvent(window,"load", buildInterface);
<span class="sc2"><<span class="sy0">/</span><a href="http://december.com/html/4/element/script.html" style="text-decoration:underline;"><span class="kw2">script</span></a>></span>
<span class="sc2"><<span class="sy0">/</span><a href="http://december.com/html/4/element/head.html" style="text-decoration:underline;"><span class="kw2">head</span></a>></span>
<span class="sc2"><<a href="http://december.com/html/4/element/body.html" style="text-decoration:underline;"><span class="kw2">body</span></a>></span>
<span class="sc2"><<span class="sy0">/</span><a href="http://december.com/html/4/element/body.html" style="text-decoration:underline;"><span class="kw2">body</span></a>></span>
<span class="sc2"><<span class="sy0">/</span><a href="http://december.com/html/4/element/html.html" style="text-decoration:underline;"><span class="kw2">html</span></a>></span></pre>
<p>
The main conclusion you should make up is that interface creation has to be started from the full page loading. Why do we use dhtmlxEvent? Because it makes event setting available for any browser.
</p>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="3942-4740" /><input type="hidden" name="rev" value="1270025685" /><input type="hidden" name="id" value="dhtmlx_overall_logic_en" /><input type="submit" value="Edit" class="button" title="Starting from html" /></div></form></div>
<h3><a name="allocating_components_on_page" id="allocating_components_on_page">Allocating Components on Page</a></h3>
<div class="level3">
<ul>
<li class="level1"><div class="li"> Attaching to <acronym title="HyperText Markup Language">HTML</acronym>-item.<br/>
During components creation, the major part of them are already attached to certain place on page through parent <acronym title="HyperText Markup Language">HTML</acronym>-item. In most cases, div-item is used for this purpose. Item's identifier or link are passed to component constructor. Some components allow to change parent item after initialization. Another way to relocate component within document structure is relocating its parent item. </div>
</li>
</ul>
<pre class="code javascript"> <span class="sy0"><</span>div id<span class="sy0">=</span><span class="st0">"mygrid"</span><span class="sy0">></</span>div<span class="sy0">></span>
<span class="sy0"><</span>script<span class="sy0">></span>
myGrid <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXGridObject<span class="br0">(</span><span class="st0">"mygrid"</span><span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span></pre><ul>
<li class="level1"><div class="li"> Placing inside dhtmlxLayout.<br/>
If at the beginning, you place dhtmlxLayout on page (on empty page, you can attach it just to document.body), after that you can allocate components inside its cells. You are allowed to do the same with dhtmlxTabbar, dhtmlxWindows. For these components, items from items, windows and tabs collections, accordingly, are used as container with the same capabilities.</div>
</li>
</ul>
<pre class="code javascript"> myLayout <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXLayout<span class="br0">(</span>document.<span class="me1">body</span><span class="sy0">,</span><span class="st0">"3E"</span><span class="br0">)</span>;
myGrid <span class="sy0">=</span> myLayout.<span class="me1">items</span><span class="br0">(</span>0<span class="br0">)</span>.<span class="me1">attachGrid</span><span class="br0">(</span><span class="br0">)</span>;</pre>
<p>
For more details about allocating dhtmlx and other items inside Layout, Tabbar and Window, see <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxlayout:attaching_dhtmlx_components" style="text-decoration:underline;" class="wikilink1" title="dhtmlxlayout:attaching_dhtmlx_components"> here</a>.
</p>
</div>
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<h3><a name="how_to_initialize_components" id="how_to_initialize_components">How to Initialize Components</a></h3>
<div class="level3">
<p>
There are three ways to initialize any component of the suite:
</p>
<ul>
<li class="level1"><div class="li"> Through constructor function.<br/>
This way of initialization is valid for all components. The names of all component constructors coincide with the names of components (since version 2.5). The major part of components are initialized with a certain set of parameters, we will go into details of this later. So, below you can see an example of windows system initialization through the constructor:</div>
</li>
</ul>
<pre class="code javascript">myWindows <span class="sy0">=</span> <span class="kw2">new</span> dhtmlxWindows<span class="br0">(</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> Through appropriated methods of dhtmlxLayout component: attachTree, attachGrid, attachMenu и т.д. (for Layout <acronym title="Application Programming Interface">API</acronym> documentation, see here api_toc_alpha). The procedure is almost the same, there is only one difference, instead of constructor function you should write layout method (or more exactly, the method of separate layout panel). As result the component is initialized directly into the appropriate panel.</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> Directly from <acronym title="HyperText Markup Language">HTML</acronym> objects, their class attribute (name of css class) is set in the value corresponding to component name: for tree - dhtmlxTree, for grid - dhtmlxGrid, for tabbar - dhtmlxTabbar. If you need this way of initialization, see documentation for more details.</div>
</li>
</ul>
</div>
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<h3><a name="how_to_set_parameters_configuration" id="how_to_set_parameters_configuration">How to Set Parameters (Configuration)</a></h3>
<div class="level3">
<ul>
<li class="level1"><div class="li"> Through methods.<br/>
In most cases, methods which allow to set parameters start with “set”, “enable” (setInitWidth, enableMathSerialization). The list of basic and optional methods required for component initialization is located in constructor function section of <acronym title="Application Programming Interface">API</acronym> documentation of each component. (part “Original Way of Initialization”).</div>
</li>
</ul>
<pre class="code javascript"> myGrid <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXGridObject<span class="br0">(</span><span class="st0">"grid_container"</span><span class="br0">)</span>;
myGrid.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"codebase/imgs/"</span><span class="br0">)</span>;
myGrid.<span class="me1">setHeader</span><span class="br0">(</span><span class="st0">"Model,Qty,Price"</span><span class="br0">)</span>;
myGrid.<span class="me1">setInitWidths</span><span class="br0">(</span><span class="st0">"*,150,150"</span><span class="br0">)</span>;
myGrid.<span class="me1">setColAlign</span><span class="br0">(</span><span class="st0">"left,right,right"</span><span class="br0">)</span>;
myGrid.<span class="me1">setSkin</span><span class="br0">(</span><span class="st0">"light"</span><span class="br0">)</span>;
myGrid.<span class="me1">init</span><span class="br0">(</span><span class="br0">)</span>;
myGrid.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"some_url.php"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> Through objects properties (since version 2.5, there is extension for object initialization/configuration).<br/>
The list of basic and optional properties required for component initialization is located in constructor function section of <acronym title="Application Programming Interface">API</acronym> documentation of each component. (part “Original Way of Initialization”).</div>
</li>
</ul>
<pre class="code javascript"> myGrid <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXGridObject<span class="br0">(</span><span class="br0">{</span>
parent<span class="sy0">:</span> <span class="st0">"grid_container"</span><span class="sy0">,</span>
image_path<span class="sy0">:</span> <span class="st0">"codebase/imgs/"</span><span class="sy0">,</span>
skin<span class="sy0">:</span> <span class="st0">"light"</span><span class="sy0">,</span>
columns<span class="sy0">:</span> <span class="br0">[</span>
<span class="br0">{</span>
label<span class="sy0">:</span> <span class="st0">"Model"</span><span class="sy0">,</span>
width<span class="sy0">:</span> <span class="st0">"*"</span><span class="sy0">,</span>
align<span class="sy0">:</span> <span class="st0">"left"</span><span class="sy0">,</span>
<span class="br0">}</span><span class="sy0">,</span><span class="br0">{</span>
label<span class="sy0">:</span> <span class="st0">"Qty"</span><span class="sy0">,</span>
width<span class="sy0">:</span> <span class="nu0">150</span><span class="sy0">,</span>
align<span class="sy0">:</span> <span class="st0">"right"</span><span class="sy0">,</span>
<span class="br0">}</span><span class="sy0">,</span><span class="br0">{</span>
label<span class="sy0">:</span> <span class="st0">"Price"</span><span class="sy0">,</span>
width<span class="sy0">:</span> <span class="nu0">150</span><span class="sy0">,</span>
align<span class="sy0">:</span> <span class="st0">"right"</span><span class="sy0">,</span>
<span class="br0">}</span>
<span class="br0">]</span>
<span class="br0">}</span><span class="br0">)</span>;
myGrid.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"some_url.php"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> Through <acronym title="Extensible Markup Language">XML</acronym>.<br/>
Grid supports this way of initialization. Grid and columns parameters are indicated in special partition of <acronym title="Extensible Markup Language">XML</acronym>-document, which can be loaded from server with all data for rows (or without it). For more details see <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxgrid:configuration_from_xml" style="text-decoration:underline;" class="wikilink1" title="dhtmlxgrid:configuration_from_xml"> here</a>.</div>
</li>
</ul>
</div>
<h4><a name="setting_parameters_for_the_entire_dhtmlxsuite" id="setting_parameters_for_the_entire_dhtmlxsuite">Setting Parameters for the Entire dhtmlxSuite</a></h4>
<div class="level4">
<p>
There are some parameters which can be set for all components on page at once. Currently they are: skin name and path to images. <img src="/dhtmlx/docs/lib/images/smileys/fixme.gif" class="middle" alt="FIXME" />
</p>
<ul>
<li class="level1"><div class="li"> through global dhtmlx object;</div>
</li>
<li class="level1"><div class="li"> through parameters of dhtmlxLayout object, which contains used components.</div>
</li>
</ul>
<p>
If these parameters are set for concrete objects later, they will have priority status.
</p>
</div>
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<h3><a name="event_handlers" id="event_handlers">Event Handlers</a></h3>
<div class="level3">
<p>
<em>attachEvent(event_name,handler_function)</em> allows to set event handlers for any components of dhtmlxSuite. For lists of events see Script <acronym title="Application Programming Interface">API</acronym> Reference partition, which is located at the foot of generic page of any component documentation. Note: names of events are case-insensitive.
</p>
<p>
Nearly every event passes to function-handler some parameters which can be used in this function. Such parameters are listed in documentation. This is an example:
</p>
<pre class="code javascript">myGrid.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onRowSelect"</span><span class="sy0">,</span><span class="kw2">function</span><span class="br0">(</span>rowId<span class="sy0">,</span>cellInd<span class="br0">)</span><span class="br0">{</span>
<span class="kw3">alert</span><span class="br0">(</span><span class="st0">"Row was selected. It's id is "</span><span class="sy0">+</span> rowId <span class="sy0">+</span><span class="st0">". Index of clicked cell is "</span><span class="sy0">+</span> cellInd<span class="br0">)</span>
<span class="br0">}</span><span class="br0">)</span>;</pre>
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<h3><a name="how_to_create_interface_completely" id="how_to_create_interface_completely">How to Create Interface Completely</a></h3>
<div class="level3">
<p>
There is the main approach to interface creation by using dhtmlx library capabilities:
</p>
<ul>
<li class="level1"><div class="li"> Let's create interface structure which will be set by layout. The whole page (document.body), some block <acronym title="HyperText Markup Language">HTML</acronym> item (for example, DIV-item or table cell), cell of other layout, tabbar, window or accordion can be used as container for layout. Layout structure can be set in two ways:<br/>
by choosing appropriate structure from existing ones,<br/>
or by creating any other structure by means of combining with existing ones (in this case you should use the capability to create layouts within cells of other layout).</div>
</li>
</ul>
<pre class="code javascript">myLayout1 <span class="sy0">=</span> <span class="kw2">new</span> dhtmlxLayout<span class="br0">(</span><span class="br0">{</span>
parent<span class="sy0">:</span>document.<span class="me1">body</span>;
schema<span class="sy0">:</span> <span class="st0">"3J"</span>;
<span class="br0">}</span><span class="br0">)</span>
myLayout1.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"c"</span><span class="br0">)</span>.<span class="me1">hideHeader</span><span class="br0">(</span><span class="br0">)</span>;
myLayout2 <span class="sy0">=</span> <span class="kw2">new</span> dhtmlxLayout<span class="br0">(</span><span class="br0">{</span>
parent<span class="sy0">:</span> myLayout1.<span class="me1">cells</span><span class="br0">(</span><span class="st0">"c"</span><span class="br0">)</span><span class="sy0">,</span>
schema<span class="sy0">:</span> <span class="st0">"3E"</span>
<span class="br0">}</span><span class="br0">)</span></pre>
<p>
Here we get the sum of 2 layouts and 5 cells (2 cells are taken from the first layout, 3 others - from the second one) for items placement. You should call them accordingly to the following logic:
</p>
<p>
myLayout1.cells(“a”), myLayout1.cells(“b”), myLayout2.cells(“a”), myLayout2.cells(“b”),myLayout2.cells(“c”).
</p>
<p>
<img src="layout2_sum_trans.gif" class="media" alt="" />
</p>
<ul>
<li class="level1"><div class="li"> Global items. Layout already contains windows system which can be used for popup windows (see<a href="/dhtmlx/docs/doku.php?id=attaching_dhtmlx_components#using_dhtmlxlayout_and_dhtmlxwindows_together" class="wikilink2" title="attaching_dhtmlx_components" rel="nofollow"> details</a>), also you are allowed to set menu and toolbar over a cell (any cell can have its menu and toolbar, as well). For the detailed description, see<a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxlayout:global_items" style="text-decoration:underline;" class="wikilink1" title="dhtmlxlayout:global_items"> here</a>.</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> Let's place items inside layout panels. As it was described in the second way of initialization paragraph, you have an opportunity to create components inside layout panels by using layout cells methods which begin with the word attach (attachGrid, attachTree etc). In the same way you can place <acronym title="HyperText Markup Language">HTML</acronym> objects in layout cells and load external page. Otherwise components can be placed in cell after initialization by means of attachObject method. Menu and toolbar can be placed in cell at once with the main item. For details see <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxlayout:global_items" style="text-decoration:underline;" class="wikilink1" title="dhtmlxlayout:global_items"> here</a>.</div>
</li>
</ul>
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<h3><a name="how_to_go_on_working_with_components" id="how_to_go_on_working_with_components">How to Go On Working with Components</a></h3>
<div class="level3">
<p>
After initializing components, properties of them (to be more precise, most of them) can be changed dynamically - by using <acronym title="Application Programming Interface">API</acronym> methods. Generally, such methods start with <em>set</em> or <em>enable</em>. To call subobjects (rows and columns in grid, item in tree, windows in window system, cells in layout, buttons in toolbar, items in menu etc) you should use ID.
Besides correcting properties through <acronym title="Application Programming Interface">API</acronym>, you are allowed to achieve any desired functionality of components. For more information see <a href="index.html" class="wikilink1" title="start"> Documentation</a> (search is enabled) or<a href="http://www.dhtmlx.com/docs/products/kb/index.shtml" style="text-decoration:underline;" class="urlextern" title="http://www.dhtmlx.com/docs/products/kb/index.shtml" rel="nofollow">Knowlege Base</a>, or contact our support team.
</p>
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<h2><a name="handling_special_characters" id="handling_special_characters">Handling Special Characters</a></h2>
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<a href="others___special_characters_in_xml.html" class="wikilink1" title="others:special_characters_in_xml">Special Characters in XML</a>
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<h2><a name="api_of_connector_objects" id="api_of_connector_objects">API of connector Objects</a></h2>
<div class="level2">
</div>
<h4><a name="render_table" id="render_table">render_table</a></h4>
<div class="level4">
<p>
configure connector to take data from single table
</p>
<pre class="code php"> <span class="re0">$conn</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="re0">$table</span><span class="sy0">,</span><span class="re0">$id</span><span class="sy0">,</span><span class="re0">$text</span><span class="sy0">,</span><span class="re0">$extra</span><span class="sy0">,</span><span class="re0">$relation</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $table - name of table;</div>
</li>
<li class="level1"><div class="li"> $id - name of id field ;</div>
</li>
<li class="level1"><div class="li"> $text - comma separated list of data fields;</div>
</li>
<li class="level1"><div class="li"> $extra - comma separated list of extra fields, optional;</div>
</li>
<li class="level1"><div class="li"> $relation_id - used for building hierarchy in case of Tree and TreeGrid.</div>
</li>
</ul>
</div>
<h4><a name="render_sql" id="render_sql">render_sql</a></h4>
<div class="level4">
<p>
configure connector to take data based on provided <acronym title="Structured Query Language">SQL</acronym> text
</p>
<pre class="code php"> <span class="re0">$conn</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="re0">$sql</span><span class="sy0">,</span><span class="re0">$id</span><span class="sy0">,</span><span class="re0">$text</span><span class="sy0">,</span><span class="re0">$extra</span><span class="sy0">,</span><span class="re0">$relation</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $sql - any sql code, which will be used as a base for data selection;</div>
</li>
<li class="level1"><div class="li"> $id - name of id field;</div>
</li>
<li class="level1"><div class="li"> $text - comma separated list of data fields;</div>
</li>
<li class="level1"><div class="li"> $extra - comma separated list of extra fields, optional;</div>
</li>
<li class="level1"><div class="li"> $relation_id - used for building hierarchy in case of Tree and TreeGrid.</div>
</li>
</ul>
</div>
<h4><a name="set_encoding" id="set_encoding">set_encoding</a></h4>
<div class="level4">
<p>
allows to set encoding, which will be used for generated <acronym title="Extensible Markup Language">XML</acronym> (default encoding is UTF-8 )
</p>
<pre class="code php"> <span class="re0">$conn</span><span class="sy0">-></span><span class="me1">set_encoding</span><span class="br0">(</span><span class="st0">"iso-8859-1"</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> encoding name.</div>
</li>
</ul>
</div>
<h4><a name="dynamic_loading" id="dynamic_loading">dynamic_loading</a></h4>
<div class="level4">
<p>
enable <a href="dhtmlxconnector___dynamical_loading.html" class="wikilink1" title="dhtmlxconnector:dynamical_loading">dynamical loading</a> mode for connector
</p>
</div>
<h4><a name="enable_log" id="enable_log">enable_log</a></h4>
<div class="level4">
<p>
enable <a href="dhtmlxconnector___error_handling_and_logging.html" class="wikilink1" title="dhtmlxconnector:error_handling_and_logging">logging</a> for connector
</p>
</div>
<h4><a name="is_select_mode" id="is_select_mode">is_select_mode</a></h4>
<div class="level4">
<p>
returns current active mode:
</p>
<ul>
<li class="level1"><div class="li"> true for data select mode;</div>
</li>
<li class="level1"><div class="li"> false for data update mode.</div>
</li>
</ul>
<pre class="code php"> <span class="kw1">if</span> <span class="br0">(</span><span class="re0">$conn</span><span class="sy0">-></span><span class="me1">is_select_mode</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="br0">{</span>
do_something<span class="br0">(</span><span class="br0">)</span>;
<span class="br0">}</span></pre>
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<h3><a name="multi-user_sync" id="multi-user_sync">Multi-user sync</a></h3>
<div class="level3">
<p>
Connector 1.x can work in multi-user mode, in such mode all users will see changes of other users in real-time mode.
</p>
<p>
To enable mode you need to
</p>
<p>
a) init component with dataprocessor in default way
b) add to the server side code
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/grid_connector.php"</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">enable_live_update</span><span class="br0">(</span><span class="st_h">'actions_table'</span><span class="br0">)</span>; <span class="co1">//this line!</span></pre>
<p>
Where actions_table - table in Db, which will be used for sync. data storage. It need to have the next structure.
</p>
<pre class="code sql"><span class="kw1">CREATE</span> <span class="kw1">TABLE</span> <span class="st0">`actions_table`</span> <span class="br0">(</span>
<span class="st0">`id`</span> int<span class="br0">(</span><span class="nu0">11</span><span class="br0">)</span> <span class="kw1">NOT</span> <span class="kw1">NULL</span> <span class="kw1">AUTO_INCREMENT</span><span class="sy0">,</span>
<span class="st0">`dataId`</span> int<span class="br0">(</span><span class="nu0">11</span><span class="br0">)</span> <span class="kw1">NOT</span> <span class="kw1">NULL</span><span class="sy0">,</span>
<span class="st0">`type`</span> varchar<span class="br0">(</span><span class="nu0">255</span><span class="br0">)</span> <span class="kw1">NOT</span> <span class="kw1">NULL</span><span class="sy0">,</span>
<span class="st0">`user`</span> varchar<span class="br0">(</span><span class="nu0">255</span><span class="br0">)</span> <span class="kw1">NOT</span> <span class="kw1">NULL</span><span class="sy0">,</span>
<span class="kw1">PRIMARY</span> <span class="kw1">KEY</span> <span class="br0">(</span><span class="st0">`id`</span><span class="br0">)</span>
<span class="br0">)</span> ENGINE<span class="sy0">=</span>MyISAM;</pre>
<p>
c) on client side, add the next code line after dataprocessor initialization
</p>
<pre class="code javascript"> dp.<span class="me1">setAutoUpdate</span><span class="br0">(</span><span class="nu0">2000</span><span class="br0">)</span>;</pre>
<p>
where parameter of command - delay between update calls.
</p>
<p>
That is all, now all users of component will be able to see changes of other users.
</p>
<p>
It works for all connector and all components.
</p>
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</p>
<h2><a name="treegriddataitem" id="treegriddataitem">TreeGridDataItem</a></h2>
<div class="level2">
<p>
Nest all method of <a href="dhtmlxconnector___dataitem_object.html" class="wikilink1" title="dhtmlxconnector:dataitem_object">DataItem Object</a> and <a href="dhtmlxconnector___griddataitem_treegriddataitem_specific.html" class="wikilink1" title="dhtmlxconnector:griddataitem_treegriddataitem_specific">GridDataItem Object</a>
</p>
</div>
<h4><a name="get_parent_id" id="get_parent_id">get_parent_id</a></h4>
<div class="level4">
<p>
method returns parent id of selected item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">get_parent_id</span><span class="br0">(</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="set_image" id="set_image">set_image</a></h4>
<div class="level4">
<p>
method allows to set image for all check states of the node in tree:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_image</span><span class="br0">(</span><span class="re0">$img</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $img - image which will be set for the item, path relative to icon's path of tree</div>
</li>
</ul>
</div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___treegriddataitem.html | HTML | art | 8,570 |
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</p>
<h2><a name="beforeprocessing" id="beforeprocessing">beforeProcessing</a></h2>
<div class="level2">
<p>
This event occurs before <a href="dhtmlxconnector___event_beforeinsert.html" class="wikilink1" title="dhtmlxconnector:event_beforeinsert">beforeInsert</a>, <a href="dhtmlxconnector___event_beforeupdate.html" class="wikilink1" title="dhtmlxconnector:event_beforeupdate">beforeUpdate</a>, <a href="dhtmlxconnector___event_beforedelete.html" class="wikilink1" title="dhtmlxconnector:event_beforedelete">beforeDelete</a> events occur. The beforeProcessing method occurs for all these operations. It can be cancelled in the same way as the aforementioned events. For more details see <a href="dhtmlxconnector___event_beforeupdate.html" class="wikilink1" title="dhtmlxconnector:event_beforeupdate">beforeUpdate</a> event description .
</p>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___event_beforeprocessing.html | HTML | art | 8,153 |
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<h3><a name="extending_existing_functionality" id="extending_existing_functionality">Extending existing functionality</a></h3>
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<li class="level1"><div class="li"> <a href="dhtmlxconnector___protocol_details.html" class="wikilink1" title="dhtmlxconnector:protocol_details">Protocol Details</a></div>
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<h3><a name="keygrid_connector" id="keygrid_connector">KeyGrid connector</a></h3>
<div class="level3">
<p>
Normal grid connector expects that target table has some autogenerated ID field, but in some cases, data need to be loaded and saved from DB which has not such autofilled ID. Normal connector can be used for data loading, but will not be able to save data back to such table. To resolve such problem you can use separate connector class
</p>
<pre class="code php"> <span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> KeyGridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"mytable"</span><span class="sy0">,</span><span class="st0">"name"</span><span class="sy0">,</span><span class="st0">"name,address,phone"</span><span class="br0">)</span>;</pre>
<p>
There are two differences from the normal GridConnector
</p>
<ul>
<li class="level1"><div class="li"> name of connector class</div>
</li>
<li class="level1"><div class="li"> one of data fields is used as ID</div>
</li>
</ul>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___keygrid_connector.html | HTML | art | 8,696 |
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</p>
<h2><a name="dhtmlxconnector" id="dhtmlxconnector">dhtmlxConnector</a></h2>
<div class="level2">
<p>
This is documentation for <acronym title="Hypertext Preprocessor">PHP</acronym> connector. For other platforms check <br/>
<a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxconnectornet:toc" class="wikilink1" title="dhtmlxconnectornet:toc">.Net documentation</a>, <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxconnectorjava:toc" class="wikilink1" title="dhtmlxconnectorjava:toc">Java documentation</a>, <a href="http://docs.dhtmlx.com/doku.php?id=dhtmlxconnectorasp:toc" class="wikilink1" title="dhtmlxconnectorasp:toc">classic ASP documentation</a>
</p>
<p>
dhtmlxConnector is a set of <acronym title="Hypertext Preprocessor">PHP</acronym> classes which helps to simplify server side operations for dhtmlx components
</p>
<ul>
<li class="level1"><div class="li"> Data loading for Grid, TreeGrid, Tree, Combo, Scheduler, DataView, Chart, Form</div>
</li>
<li class="level1"><div class="li"> Data saving for Grid, TreeGrid, Tree, Scheduler, DataView, Form</div>
</li>
<li class="level1"><div class="li"> Server side sorting and filtering for Grid, Combo</div>
</li>
<li class="level1"><div class="li"> Dynamic loading (paging) for Grid, Treegrid, Tree, Scheduler, DataView</div>
</li>
</ul>
<p>
Server side requirements
</p>
<ul>
<li class="level1"><div class="li"> fully supported DataBases: MySQL, PostgreSQL, Oracle, MSSQL, FileSystem</div>
</li>
<li class="level1"><div class="li"> partially supported DataBases: any PDO|ODBC compilant ( MSAccess, SQLLite, DB2, FireBird, etc. )</div>
</li>
<li class="level1"><div class="li"> <acronym title="Hypertext Preprocessor">PHP</acronym> version: 5.x</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___new_in_version_1.0.html" class="wikilink1" title="dhtmlxconnector:new_in_version_1.0">New in version 1.0</a></div>
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<li class="level1"><div class="li"> <a href="dhtmlxconnector___toc_what_is_dhtmlxconnector.html" class="wikilink1" title="dhtmlxconnector:toc_what_is_dhtmlxconnector">Usage Guide</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___events_system.html" class="wikilink1" title="dhtmlxconnector:events_system">Server Side Event System</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___migration_from_older_version.html" class="wikilink1" title="dhtmlxconnector:migration_from_older_version">Migration from Older Version</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___extending_existing_functionality.html" class="wikilink1" title="dhtmlxconnector:extending_existing_functionality">Extending Existing Functionality</a></div>
</li>
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<h5><a name="api_reference" id="api_reference">API Reference</a></h5>
<div class="level5">
<ul>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___connector_object.html" class="wikilink1" title="dhtmlxconnector:connector_object"> API of Connector Object</a></div>
</li>
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<h3><a name="using_file_system_as_datasource" id="using_file_system_as_datasource">Using File System as datasource</a></h3>
<div class="level3">
<p>
Connector 1.x allows to use FileSystem as datasouce. It can be used with any client side component, but more common use-case is the grid and tree
</p>
<pre class="code php">
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"./codebase/connector/db_filesystem.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"./codebase/connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="st0">""</span><span class="sy0">,</span> <span class="st0">"FileSystem"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"../"</span><span class="sy0">,</span><span class="st0">"safe_name"</span><span class="sy0">,</span><span class="st0">"filename,full_filename,size,name,extention,date,is_folder"</span><span class="br0">)</span>;</pre>
<p>
<img src="dhtmlxconnector___file_system.png" class="media" alt="" />
</p>
<p>
Above code will fill grid with info about files in d:/www folder
</p>
<p>
Parameters of render_table
</p>
<ul>
<li class="level1"><div class="li"> folder, for which data listing is required</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> id field, leave it empty of use safe_name as ID of file</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> list of fields, possible values are</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> filename - name of file</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> full_filename - full path to file</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> size - size of file in bytes</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> name - name part of file name</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> extension - extension part of file name</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> date - timestamp of file</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> is_folder - file|folder flag</div>
</li>
</ul>
</div>
<h5><a name="limiting_files_in_output" id="limiting_files_in_output">Limiting files in output</a></h5>
<div class="level5">
<p>
You can limit files by extension type
</p>
<pre class="code php">
<span class="re0">$fileTypes</span> <span class="sy0">=</span> FileSystemTypes<span class="sy0">::</span><span class="me2">getInstance</span><span class="br0">(</span><span class="br0">)</span>;
<span class="re0">$fileTypes</span><span class="sy0">-></span><span class="me1">addExtention</span><span class="br0">(</span><span class="st_h">'png'</span><span class="br0">)</span>;</pre>
<p>
or by meta-type
</p>
<pre class="code php">
<span class="re0">$fileTypes</span> <span class="sy0">=</span> FileSystemTypes<span class="sy0">::</span><span class="me2">getInstance</span><span class="br0">(</span><span class="br0">)</span>;
<span class="re0">$fileTypes</span><span class="sy0">-></span><span class="me1">setType</span><span class="br0">(</span><span class="st_h">'web'</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> image - image files</div>
</li>
<li class="level1"><div class="li"> document - doc, xls, txt, rtf</div>
</li>
<li class="level1"><div class="li"> web - php, html, js, css</div>
</li>
<li class="level1"><div class="li"> audio - mp3, wav, ogg</div>
</li>
<li class="level1"><div class="li"> video - avi, mpg, mpeg, mp4</div>
</li>
<li class="level1"><div class="li"> only_dir - folders</div>
</li>
</ul>
<p>
or by regexp pattern
</p>
<pre class="code php">
<span class="re0">$fileTypes</span> <span class="sy0">=</span> FileSystemTypes<span class="sy0">::</span><span class="me2">getInstance</span><span class="br0">(</span><span class="br0">)</span>;
<span class="re0">$fileTypes</span><span class="sy0">-></span><span class="me1">addPattern</span><span class="br0">(</span><span class="st_h">'/^.+\..*$/'</span><span class="br0">)</span>;</pre>
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<li class="level2"><div class="li"><span class="li"><a href="#formatting_changing_data_before_loading" class="toc">Formatting/Changing Data before Loading</a></span></div>
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<li class="level3"><div class="li"><span class="li"><a href="#base_formatting_methods" class="toc">Base Formatting Methods</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#formatting_in_combo" class="toc">Formatting in Combo</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#formatting_in_treegrid_and_tree" class="toc">Formatting in TreeGrid and Tree</a></span></div></li></ul>
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<h2><a name="formatting_changing_data_before_loading" id="formatting_changing_data_before_loading">Formatting/Changing Data before Loading</a></h2>
<div class="level2">
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<h3><a name="base_formatting_methods" id="base_formatting_methods">Base Formatting Methods</a></h3>
<div class="level3">
<p>
In case you need to update values which were returned from database table or set some specific formatting before sending them to client side, you can use the “beforeRender” event handler.
</p>
<p>
Common use-case will be similar to next
</p>
<pre class="code php"> <span class="re0">$res</span><span class="sy0">=</span><a href="http://www.php.net/mysql_connect"><span class="kw3">mysql_connect</span></a><span class="br0">(</span><span class="re0">$mysql_server</span><span class="sy0">,</span><span class="re0">$mysql_user</span><span class="sy0">,</span><span class="re0">$mysql_pass</span><span class="br0">)</span>;
<a href="http://www.php.net/mysql_select_db"><span class="kw3">mysql_select_db</span></a><span class="br0">(</span><span class="re0">$mysql_db</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw2">function</span> color_rows<span class="br0">(</span><span class="re0">$row</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$row</span><span class="sy0">-></span><span class="me1">get_index</span><span class="br0">(</span><span class="br0">)</span><span class="sy0">%</span><span class="nu19">2</span><span class="br0">)</span>
<span class="re0">$row</span><span class="sy0">-></span><span class="me1">set_row_color</span><span class="br0">(</span><span class="st0">"red"</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeRender"</span><span class="sy0">,</span><span class="st0">"color_rows"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
Here , color_rows function attached to the beforeRender event and set colors for rows based on their index.
</p>
<p>
During data generation, for each record outputed for client side beforeRender event will be executed, which means <em>color_rows</em> function will be called for each record. <strong>$row</strong> is an instance of GridDataItem object, related to current record.
</p>
<p>
Same approach can be used for data formating
</p>
<pre class="code php"> <span class="kw2">function</span> formatting<span class="br0">(</span><span class="re0">$row</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">//render field as details link</span>
<span class="re0">$data</span> <span class="sy0">=</span> <span class="re0">$row</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="br0">)</span>;
<span class="re0">$row</span><span class="sy0">-></span><span class="me1">set_value</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="sy0">,</span><span class="st0">"<a href='details.php?id={$data}'>Details</a>"</span><span class="br0">)</span>
<span class="co1">//formatting date field</span>
<span class="re0">$data</span> <span class="sy0">=</span> <span class="re0">$row</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"other_field"</span><span class="br0">)</span>;
<span class="re0">$row</span><span class="sy0">-></span><span class="me1">set_value</span><span class="br0">(</span><span class="st0">"other_field"</span><span class="sy0">,</span><a href="http://www.php.net/date"><span class="kw3">date</span></a><span class="br0">(</span><span class="st0">"m-d-Y"</span><span class="sy0">,</span><a href="http://www.php.net/strtotime"><span class="kw3">strtotime</span></a><span class="br0">(</span><span class="re0">$data</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeRender"</span><span class="sy0">,</span><span class="st0">"formatting"</span><span class="br0">)</span>;</pre>
<p>
get_value and set_value method allow get or set value of any field related to the record ( it not affect actual values in DB ), if alias was used during data configuration - you need to use it instead of real db field name as first parameter of get|set command.
</p>
<p>
More complex formating rules can be defined by using “extra” fields in configuration, fields which will not be outputed to client but can be used inside events.
</p>
<pre class="code php"> <span class="kw2">function</span> formatting<span class="br0">(</span><span class="re0">$row</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">//set row color</span>
<span class="re0">$row</span><span class="sy0">-></span><span class="me1">set_row_color</span><span class="br0">(</span><span class="re0">$row</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"color"</span><span class="br0">)</span><span class="br0">)</span>;
<span class="co1">//save in userdata </span>
<span class="re0">$row</span><span class="sy0">-></span><span class="me1">set_userdata</span><span class="br0">(</span><span class="st0">"some_data"</span><span class="sy0">,</span><span class="re0">$row</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"count"</span><span class="br0">)</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeRender"</span><span class="sy0">,</span><span class="st0">"formatting"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"some_table"</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"name,price"</span><span class="sy0">,</span><span class="st0">"color,count"</span><span class="br0">)</span>;</pre>
<p>
Here, field color not outputed to client side , but used to define property of row. During update|insert operation only name and price columns may be changed, color will stay untouched.
Count field will be sent to client side as userdata of the row ( and it will be possible to access it on client side through related data.
</p>
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<h3><a name="formatting_in_combo" id="formatting_in_combo">Formatting in Combo</a></h3>
<div class="level3">
<p>
In case of dhtmlxCombo event works the same but provides ComboDataItem as parameter of event, it possible to implement the same use-cases with it
</p>
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<h3><a name="formatting_in_treegrid_and_tree" id="formatting_in_treegrid_and_tree">Formatting in TreeGrid and Tree</a></h3>
<div class="level3">
<p>
TreeGrid provides TreeGridDataItem and Tree provides TreeDataItem for beforeUpdate event, both of them support base operations and few specific ones.
</p>
<pre class="code php"> <span class="kw2">function</span> custom_format<span class="br0">(</span><span class="re0">$item</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$item</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"complete"</span><span class="br0">)</span><span class="sy0">></span><span class="nu0">75</span><span class="br0">)</span>
<span class="re0">$item</span><span class="sy0">-></span><span class="me1">set_check_state</span><span class="br0">(</span><span class="nu0">1</span><span class="br0">)</span>;
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$item</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"duration"</span><span class="br0">)</span><span class="sy0">></span><span class="nu0">10</span><span class="br0">)</span>
<span class="re0">$item</span><span class="sy0">-></span><span class="me1">set_image</span><span class="br0">(</span><span class="st0">"true.gif"</span><span class="br0">)</span>;
<span class="kw1">else</span>
<span class="re0">$item</span><span class="sy0">-></span><span class="me1">set_image</span><span class="br0">(</span><span class="st0">"false.gif"</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeRender"</span><span class="sy0">,</span><span class="st0">"custom_format"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> set_image method allows to set image of tree element ( for treegrid it accepts only one parameter, while for tree it can be a single image of 3 different images for 3 states of tree's item. </div>
</li>
<li class="level1"><div class="li"> set_check method exists only in TreeDataItem object and allow to set state of related checkbox ( tree need to have checkboxes enabled in js. configuration code as well ) </div>
</li>
</ul>
<p>
beforeRender event can be used in dynamic Tree and TreeGrid to define which elements of hierarchy are branches and which are leafs. It is covered in related section of document.
</p>
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<h3><a name="select_box_columns_in_a_grid" id="select_box_columns_in_a_grid">Select box columns in a grid</a></h3>
<div class="level3">
<p>
When grid has co|coro columns ( select|combo-box ), it will automatically request data for it in same manner as for <a href="dhtmlxconnector___filtering.html" class="wikilink1" title="dhtmlxconnector:filtering">filtering</a> options. So it possible to use similar way of logic to define which list of values need to be used in select|combo inside the grid.
</p>
<ul>
<li class="level1"><div class="li"> automatic - if no custom instruction provided , grid will use DISTINCT select against related field, and fetch all possible options</div>
</li>
<li class="level1"><div class="li"> hardcoded list </div>
</li>
</ul>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_options</span><span class="br0">(</span><span class="st0">"item_nm"</span><span class="sy0">,</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span><span class="st0">"1"</span> <span class="sy0">=></span> <span class="st0">"one"</span><span class="sy0">,</span> <span class="st0">"2"</span><span class="sy0">=></span><span class="st0">"two"</span><span class="sy0">,</span><span class="st0">"3"</span> <span class="sy0">=></span> <span class="st0">"three"</span><span class="br0">)</span><span class="br0">)</span>; <span class="co1">// value => label</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> list created on base of different table</div>
</li>
</ul>
<pre class="code php"> <span class="re0">$options</span> <span class="sy0">=</span> <span class="kw2">new</span> OptionsConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$options</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"countries"</span><span class="sy0">,</span><span class="st0">"country_id"</span><span class="sy0">,</span><span class="st0">"country_id(value),country_name(label)"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_options</span><span class="br0">(</span><span class="st0">"item_nm"</span><span class="sy0">,</span><span class="re0">$options</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
In case of options in grid
</p>
<ul>
<li class="level1"><div class="li"> when using predefined list of data, both values and labels need to be provided</div>
</li>
<li class="level1"><div class="li"> when using connector, there must be two fields selected, one as (value), second as (label)</div>
</li>
</ul>
<p>
In case, when connector used only to fill select-filter
</p>
<ul>
<li class="level1"><div class="li"> only labels need to be provided</div>
</li>
<li class="level1"><div class="li"> connector may define only label parameter</div>
</li>
</ul>
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<h2><a name="afterprocessing" id="afterprocessing">afterProcessing</a></h2>
<div class="level2">
<p>
This event occurs after insert, update, delete actions. It can be used to pass additional values to client side.
</p>
<p>
Example of usage:
</p>
<pre class="code php"> <span class="co1">//adds new xml as a child of default <action> tag which is passed to client side as response</span>
<span class="kw2">function</span> doAfterProcessing<span class="br0">(</span><span class="re0">$action</span><span class="br0">)</span><span class="br0">{</span>
<span class="re0">$action</span><span class="sy0">-></span><span class="me1">set_response_xml</span><span class="br0">(</span><span class="st0">"<guid>some value</guid>"</span><span class="br0">)</span>
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<h2><a name="connectors_and_oracle_db" id="connectors_and_oracle_db">Connectors and Oracle DB</a></h2>
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Sample of init code , can be checked <a href="dhtmlxconnector___server_side_others.html" class="wikilink1" title="dhtmlxconnector:server_side_others">here</a>
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<h3><a name="inserting_new_records" id="inserting_new_records">Inserting new records</a></h3>
<div class="level3">
<p>
Oracle has not auto ID generation functionality , so you need to provide some custom ID for each insert operations. There are two ways to do such task
</p>
<ul>
<li class="level1"><div class="li"> custom ID generation - id generated by <acronym title="Hypertext Preprocessor">PHP</acronym> code</div>
</li>
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<pre class="code php"> <span class="kw2">function</span> pre_insert<span class="br0">(</span><span class="re0">$data</span><span class="br0">)</span><span class="br0">{</span>
<span class="re0">$new_id</span> <span class="sy0">=</span> <a href="http://www.php.net/time"><span class="kw3">time</span></a><span class="br0">(</span><span class="br0">)</span><span class="sy0">%</span><span class="nu19">10000</span>; <span class="co1">//any other ID generation logic can be used here</span>
<span class="re0">$data</span><span class="sy0">-></span><span class="me1">add_field</span><span class="br0">(</span><span class="st0">"EMPLOYEE_ID"</span><span class="sy0">,</span><span class="re0">$new_id</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeInsert"</span><span class="sy0">,</span><span class="st0">"pre_insert"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"EMPLOYEES"</span><span class="sy0">,</span><span class="st0">"EMPLOYEE_ID"</span><span class="sy0">,</span><span class="st0">"FIRST_NAME,LAST_NAME"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> use sequence for ID generation</div>
</li>
</ul>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">sequence</span><span class="br0">(</span><span class="st0">"EMPLOYEES_INC.nextVal"</span><span class="br0">)</span>; <span class="co1">//sequence name</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"EMPLOYEES"</span><span class="sy0">,</span><span class="st0">"EMPLOYEE_ID"</span><span class="sy0">,</span><span class="st0">"FIRST_NAME,LAST_NAME"</span><span class="br0">)</span>;</pre>
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<h2><a name="beforedelete" id="beforedelete">beforeDelete</a></h2>
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The beforeDelete event occurs before deleting record in database and can cancel default delete statement. For more details see <a href="dhtmlxconnector___event_beforeupdate.html" class="wikilink1" title="dhtmlxconnector:event_beforeupdate">beforeUpdate</a> event description .
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<li class="level2"><div class="li"><span class="li"><a href="#migration_from_older_versions" class="toc">Migration from Older Versions</a></span></div>
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<li class="level3"><div class="li"><span class="li"><a href="#section" class="toc">0.9 -> 0.96</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#section1" class="toc">0.96 -> 1.0</a></span></div></li></ul>
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<h2><a name="migration_from_older_versions" id="migration_from_older_versions">Migration from Older Versions</a></h2>
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<h3><a name="section09096" id="section09096">0.9 -> 0.96</a></h3>
<div class="level3">
<ol>
<li class="level1"><div class="li"> beforeFilter and beforeSorting events provide object as parameter instead of plain data</div>
</li>
<li class="level1"><div class="li"> Order of parameters for render_* methods of TreeGrid and Tree connector was changed. </div>
</li>
</ol>
<pre class="code php"><span class="co1">//0.9</span>
render_table<span class="br0">(</span><span class="st0">"table"</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"fields"</span><span class="sy0">,</span><span class="st0">"parent id"</span><span class="br0">)</span>
<span class="co1">//1.0</span>
render_table<span class="br0">(</span><span class="st0">"table"</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"fields"</span><span class="sy0">,</span><span class="st0">"extra fields"</span><span class="sy0">,</span><span class="st0">"parent id"</span><span class="br0">)</span></pre>
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<h3><a name="section09610" id="section09610">0.96 -> 1.0</a></h3>
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<li class="level1"><div class="li"> beforeOutput event has different parameters</div>
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<h2><a name="validating_data" id="validating_data">Validating Data</a></h2>
<div class="level2">
<p>
To implement server side validation of incoming data you can use “beforeUpdate”, “beforeInsert”, “beforeDelete” or “beforeProcessing” event. “beforeProcessing” event occurs for all types of operations, while other events occurs only for related operations, so you can have different validation rules for different operations.
</p>
<p>
Event will receive DataAction object as parameter. This object can be used to retrieve related data and allow|deny operation. ( beware that it contains only data which was received from client side, not the all data related to the record, as DataItem object has )
</p>
<pre class="code php"> <span class="kw2">function</span> validate<span class="br0">(</span><span class="re0">$data</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$data</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"some"</span><span class="br0">)</span><span class="sy0">==</span><span class="st0">""</span><span class="br0">)</span>
<span class="re0">$data</span><span class="sy0">-></span><span class="me1">invalid</span><span class="br0">(</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeProcessing"</span><span class="sy0">,</span><span class="st0">"validate"</span><span class="br0">)</span>;</pre>
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<li class="level2"><div class="li"><span class="li"><a href="#defining_grid_structure_on_server_side" class="toc">Defining grid structure on server side</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#automatic_mode" class="toc">Automatic mode</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#manual_mode" class="toc">Manual mode</a></span></div></li></ul>
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<h2><a name="defining_grid_structure_on_server_side" id="defining_grid_structure_on_server_side">Defining grid structure on server side</a></h2>
<div class="level2">
<p>
Starting from version 1.0 , connectors can be used to define header of grid, it can be done in automatic and detailed modes
</p>
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<h3><a name="automatic_mode" id="automatic_mode">Automatic mode</a></h3>
<div class="level3">
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/grid_connector.php"</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
Grid will use list of fields - as labels for the columns.
It can be combined with short render_table form as
</p>
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="br0">)</span>;</pre>
<p>
In such case grid headers will be created for all columns in the related table
</p>
<p>
If you want to have automatic server side sorting and filtering for all columns , you can use
</p>
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
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<h3><a name="manual_mode" id="manual_mode">Manual mode</a></h3>
<div class="level3">
<p>
In manual mode you need to define headers and their parameters by php command. Names of commands mimic names of js commands, with similar functionality.
</p>
<pre class="code php"><span class="re0">$config</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setHeader</span><span class="br0">(</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span><span class="st0">"column 1"</span><span class="sy0">,</span><span class="st0">"column 2"</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setColTypes</span><span class="br0">(</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span><span class="st0">"ro"</span><span class="sy0">,</span><span class="st0">"ed"</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="re0">$config</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
</div>
<h5><a name="commands_which_can_be_used" id="commands_which_can_be_used">Commands which can be used</a></h5>
<div class="level5">
<p>
For all below commands, parameter is an array of values or comma separated string, delimited by headerDelimiter (default is ,).
</p>
<pre class="code php"><span class="co1">// column labels</span>
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setHeader</span><span class="br0">(</span><span class="re0">$names</span><span class="br0">)</span>;
<span class="co1">// column types</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setColTypes</span><span class="br0">(</span><span class="re0">$typeStr</span><span class="br0">)</span>;
<span class="co1">// column IDs</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setColIds</span><span class="br0">(</span><span class="re0">$idsStr</span><span class="br0">)</span>;
<span class="co1">// column width, int values, will be processed as size in pixels</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setInitWidths</span><span class="br0">(</span><span class="re0">$widths</span><span class="br0">)</span>;
<span class="co1">// column width, int value, will be threated as size in percents</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setInitWidthsP</span><span class="br0">(</span><span class="re0">$widths</span><span class="br0">)</span>;
<span class="co1">// column align</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setColAlign</span><span class="br0">(</span><span class="re0">$alStr</span><span class="br0">)</span>;
<span class="co1">// column sorting type</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setColSorting</span><span class="br0">(</span><span class="re0">$sortStr</span><span class="br0">)</span>;
<span class="co1">// column color</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setColColor</span><span class="br0">(</span><span class="re0">$colorStr</span><span class="br0">)</span>;
<span class="co1">// visibility of column </span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setColHidden</span><span class="br0">(</span><span class="re0">$hidStr</span><span class="br0">)</span>;</pre>
<p>
For setColHidden command values must be
</p>
<ul>
<li class="level1"><div class="li"> true if column should be hidden</div>
</li>
<li class="level1"><div class="li"> false otherwise</div>
</li>
</ul>
</div>
<h5><a name="headers_and_footers" id="headers_and_footers">Headers and Footers</a></h5>
<div class="level5">
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">attachHeader</span><span class="br0">(</span><span class="re0">$values</span><span class="sy0">,</span> <span class="re0">$styles</span> <span class="sy0">=</span> <span class="kw2">null</span><span class="br0">)</span>;</pre>
<p>
The parameters of this method are:
</p>
<ul>
<li class="level1"><div class="li"> array of header names or string of header names, delimited by headerDelimiter (default is ,)</div>
</li>
<li class="level1"><div class="li"> array of header styles or string of header styles, delimited by headerDelimiter (default is ,)</div>
</li>
</ul>
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">attachFooter</span><span class="br0">(</span><span class="re0">$values</span><span class="sy0">,</span> <span class="re0">$styles</span> <span class="sy0">=</span> <span class="kw2">null</span><span class="br0">)</span>;</pre>
<p>
The parameters of this method are:
</p>
<ul>
<li class="level1"><div class="li"> array of footer names or string of footer names, delimited by headerDelimiter (default is ,)</div>
</li>
<li class="level1"><div class="li"> array of footer styles or string of footer styles, delimited by headerDelimiter (default is ,)</div>
</li>
</ul>
</div>
<h5><a name="setting_delimiter" id="setting_delimiter">Setting delimiter</a></h5>
<div class="level5">
<p>
Sets symbol or several symbols which will be used as delimiter in string arguments.
</p>
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">setHeaderDelimiter</span><span class="br0">(</span><span class="re0">$headerDelimiter</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="example" id="example">Example</a></h4>
<div class="level4">
<pre class="code php"><span class="kw1">require_once</span><span class="br0">(</span><span class="st0">"../config.php"</span><span class="br0">)</span>;
<span class="re0">$res</span><span class="sy0">=</span><a href="http://www.php.net/mysql_connect"><span class="kw3">mysql_connect</span></a><span class="br0">(</span><span class="re0">$mysql_server</span><span class="sy0">,</span><span class="re0">$mysql_user</span><span class="sy0">,</span><span class="re0">$mysql_pass</span><span class="br0">)</span>;
<a href="http://www.php.net/mysql_select_db"><span class="kw3">mysql_select_db</span></a><span class="br0">(</span><span class="re0">$mysql_db</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/grid_connector.php"</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$config</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setHeader</span><span class="br0">(</span><span class="st0">"Item Name,Item CD"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">attachHeader</span><span class="br0">(</span><span class="st0">"Item Name Test,#rspan"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">attachFooter</span><span class="br0">(</span><span class="st0">"Item Name,Item CD"</span><span class="sy0">,</span> <a href="http://www.php.net/array"><span class="kw3">Array</span></a><span class="br0">(</span><span class="st0">"background-color: #ff0000;"</span><span class="sy0">,</span> <span class="st0">"background-color: #00ff00;"</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">attachFooter</span><span class="br0">(</span><span class="st0">"Item Name Test,#rspan"</span><span class="sy0">,</span> <span class="st0">"background-color: #0000ff;color:white;"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setColIds</span><span class="br0">(</span><span class="st0">"col1,col2"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setInitWidths</span><span class="br0">(</span><span class="st_h">'120,*'</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setColSorting</span><span class="br0">(</span><span class="st0">"connector,connector"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setColColor</span><span class="br0">(</span><span class="st0">"null,#dddddd"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setColHidden</span><span class="br0">(</span><span class="st0">"false,false"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setColTypes</span><span class="br0">(</span><span class="st0">"ro,ed"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setColAlign</span><span class="br0">(</span><span class="st_h">'center,center'</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="re0">$config</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
This example initializes the following structure:
</p>
<p>
<img src="dhtmlxconnector___defining_header_server.png" class="media" alt="" />
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<h3><a name="multi-table_tree_and_treegrid" id="multi-table_tree_and_treegrid">Multi-table tree and treegrid</a></h3>
<div class="level3">
<p>
In many cases, tree or treegrid need to be built from multiple tables. Each table represent separate level of tree or treegrid. For tree it can be done as
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/treemultitable_connector.php"</span><span class="br0">)</span>;
<span class="re0">$tree</span> <span class="sy0">=</span> <span class="kw2">new</span> TreeMultitableConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">setMaxLevel</span><span class="br0">(</span><span class="nu0">3</span><span class="br0">)</span>;
<span class="re0">$level</span> <span class="sy0">=</span> <span class="re0">$tree</span><span class="sy0">-></span><span class="me1">get_level</span><span class="br0">(</span><span class="br0">)</span>;
<span class="kw1">switch</span> <span class="br0">(</span><span class="re0">$level</span><span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">case</span> <span class="nu19">0</span><span class="sy0">:</span>
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"projects2"</span><span class="sy0">,</span><span class="st0">"project_id"</span><span class="sy0">,</span><span class="st0">"project_name"</span><span class="sy0">,</span><span class="st0">""</span><span class="sy0">,</span><span class="st0">""</span><span class="br0">)</span>;
<span class="kw1">break</span>;
<span class="kw1">case</span> <span class="nu0">1</span><span class="sy0">:</span>
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="st0">"SELECT teams2.team_id, teams2.team_name, project_team2.project_id FROM teams2 INNER JOIN project_team2 ON teams2.team_id=project_team2.team_id"</span><span class="sy0">,</span> <span class="st0">"team_id"</span><span class="sy0">,</span> <span class="st0">"team_name"</span><span class="sy0">,</span> <span class="st0">""</span><span class="sy0">,</span> <span class="st0">"project_id"</span><span class="br0">)</span>;
<span class="kw1">break</span>;
<span class="kw1">case</span> <span class="nu0">2</span><span class="sy0">:</span>
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"developers2"</span><span class="sy0">,</span> <span class="st0">"developer_id"</span><span class="sy0">,</span> <span class="st0">"developer_name"</span><span class="sy0">,</span> <span class="st0">""</span><span class="sy0">,</span> <span class="st0">"developer_team"</span><span class="br0">)</span>;
<span class="kw1">break</span>;
<span class="kw1">case</span> <span class="nu0">3</span><span class="sy0">:</span>
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"phones2"</span><span class="sy0">,</span> <span class="st0">"phone_id"</span><span class="sy0">,</span> <span class="st0">"phone"</span><span class="sy0">,</span> <span class="st0">""</span><span class="sy0">,</span> <span class="st0">"phone_developer"</span><span class="br0">)</span>;
<span class="kw1">break</span>;
<span class="br0">}</span></pre>
<p>
<img src="dhtmlxconnector___multitable_tree.png" class="media" alt="" />
</p>
<p>
<strong>Multi-table connector will work only for tree|treegrid with dyn. loading mode enabled</strong>
</p>
<p>
Similar code can be used for treegrid , the only difference in the connector class
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/treegridmultitable_connector.php"</span><span class="br0">)</span>;
<span class="re0">$treegrid</span> <span class="sy0">=</span> <span class="kw2">new</span> TreeGridMultitableConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$treegrid</span><span class="sy0">-></span><span class="me1">setMaxLevel</span><span class="br0">(</span><span class="nu0">3</span><span class="br0">)</span>;
<span class="re0">$level</span> <span class="sy0">=</span> <span class="re0">$treegrid</span><span class="sy0">-></span><span class="me1">get_level</span><span class="br0">(</span><span class="br0">)</span>;
<span class="sy0">...</span></pre>
<p>
<img src="dhtmlxconnector___treegrid_multitable.png" class="media" alt="" />
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<h2><a name="complex_updates" id="complex_updates">Complex updates</a></h2>
<div class="level2">
<p>
By default connector generates all create|update|delete queries automatically, based on configuration. But in some cases it may be necessary to define your own logic.
It can be done in one of two ways
</p>
<ul>
<li class="level1"><div class="li"> defining custom <acronym title="Structured Query Language">SQL</acronym> code for operation</div>
</li>
<li class="level1"><div class="li"> using server side events to customize operations</div>
</li>
</ul>
</div>
<h4><a name="custom_sql_code" id="custom_sql_code">custom SQL code</a></h4>
<div class="level4">
<p>
You can define your own <acronym title="Structured Query Language">SQL</acronym> for specific action (Insert, Update or Delete) as follows:
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"Update"</span><span class="sy0">,</span><span class="st0">"Update tableA set name='{name}', price={price} where id={id}"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="st0">" .. "</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"price,name"</span><span class="br0">)</span>;</pre>
<p>
The parameters are the following:
</p>
<ul>
<li class="level1"><div class="li"> action name. Possible values are: “Update”, “Insert”, “Delete”</div>
</li>
<li class="level1"><div class="li"> <acronym title="Structured Query Language">SQL</acronym> statement. It can use fields(or their aliases) which were mentioned in render_sql or render_table method used for loading data.</div>
</li>
</ul>
</div>
<h4><a name="custom_server_side_events" id="custom_server_side_events">custom server side events</a></h4>
<div class="level4">
<p>
Grid provides set of events, which can be used to handle server side action in your custom way
</p>
<pre class="code php"> <span class="co1">//data preprocessing before update</span>
<span class="kw2">function</span> my_update<span class="br0">(</span><span class="re0">$data</span><span class="br0">)</span><span class="br0">{</span>
<span class="re0">$price</span> <span class="sy0">=</span> <span class="re0">$data</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"price"</span><span class="br0">)</span>;
<span class="re0">$price</span> <span class="sy0">=</span> <a href="http://www.php.net/intval"><span class="kw3">intval</span></a><span class="br0">(</span><span class="re0">$price</span><span class="br0">)</span>;
<span class="re0">$data</span><span class="sy0">-></span><span class="me1">set_value</span><span class="br0">(</span><span class="st0">"price"</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeUpdate"</span><span class="sy0">,</span><span class="st0">"my_update"</span><span class="br0">)</span></pre><pre class="code php"> <span class="co1">//including additional field to request</span>
<span class="kw2">function</span> my_update<span class="br0">(</span><span class="re0">$data</span><span class="br0">)</span><span class="br0">{</span>
<span class="re0">$data</span><span class="sy0">-></span><span class="me1">add_field</span><span class="br0">(</span><span class="st0">"userId"</span><span class="sy0">,</span><span class="nu0">1</span><span class="br0">)</span>; <span class="co1">//will be included in update</span>
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeUpdate"</span><span class="sy0">,</span><span class="st0">"my_update"</span><span class="br0">)</span></pre><pre class="code php"> <span class="co1">//fully custom code</span>
<span class="kw2">function</span> my_update<span class="br0">(</span><span class="re0">$data</span><span class="br0">)</span><span class="br0">{</span>
<span class="re0">$price</span><span class="sy0">=</span><span class="re0">$data</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"price"</span><span class="br0">)</span>;
<span class="re0">$id</span><span class="sy0">=</span><span class="re0">$data</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"id"</span><span class="br0">)</span>;
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">query</span><span class="br0">(</span><span class="st0">"UPDATE some_table SET price='{$price}' where id={$id}"</span><span class="br0">)</span>;
<span class="re0">$data</span><span class="sy0">-></span><span class="me1">success</span><span class="br0">(</span><span class="br0">)</span>; <span class="co1">//if you have made custom update - mark operation as finished</span>
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeUpdate"</span><span class="sy0">,</span><span class="st0">"my_update"</span><span class="br0">)</span></pre>
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<h2><a name="dynamical_loading" id="dynamical_loading">Dynamical Loading</a></h2>
<div class="level2">
<p>
Dynamical Loading mode allows to load data not all at once, but partially, by client side request ( which decrease initial loading time and decrease loading of server )
</p>
<ul>
<li class="level1"><div class="li"> grid - smart rendering and paging modes</div>
</li>
<li class="level1"><div class="li"> treegrid - dynamic branch loading mode</div>
</li>
<li class="level1"><div class="li"> tree - dynamic branch loading mode</div>
</li>
<li class="level1"><div class="li"> combo - partial autocomplete ( you need not it for normal autocomplete) </div>
</li>
<li class="level1"><div class="li"> dataview - dynamiс scrolling or dynamic paging</div>
</li>
</ul>
<pre class="code php"> <span class="re0">$conn</span><span class="sy0">-></span><span class="me1">dynamic_loading</span><span class="br0">(</span><span class="br0">[</span><span class="re0">$rowsNum</span><span class="br0">]</span><span class="br0">)</span>;</pre>
<p>
The parameter(s) are:
</p>
<ul>
<li class="level1"><div class="li"> no parameters for tree, treegrid</div>
</li>
<li class="level1"><div class="li"> number of rows which should be initially loaded (the value should be more than number of rows visible in grid, or at least any positive number) for grid.</div>
</li>
<li class="level1"><div class="li"> maximum number of options which server will send to combo in autocomplete mode for single data request</div>
</li>
</ul>
<p>
To work correctly, related mode need to be enabled on client side as well ( for grid - smart rendring | paging enabled, for tree|treegrid - dynamical loading enabled, for combo - autocomplete enabled )
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<h3><a name="control_of_dyn._loading_for_tree_and_treegrid" id="control_of_dyn._loading_for_tree_and_treegrid">Control of dyn. loading for Tree and TreeGrid</a></h3>
<div class="level3">
<p>
Normally connector make all operations automatically, and need not customization. But in case of dyn. loading in Tree || TreeGrid it possible that DB already have field which shows is current item leaf or branch. By using beforeRender event it possible to mark item as leaf and through that decrease count of <acronym title="Structured Query Language">SQL</acronym> queries generated by component ( which means increase in performance )
</p>
<pre class="code php"> <span class="kw2">function</span> custom_define<span class="br0">(</span><span class="re0">$item</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$item</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"is_a_branch"</span><span class="br0">)</span><span class="br0">)</span>
<span class="re0">$item</span><span class="sy0">-></span><span class="me1">set_kids</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span>;
<span class="kw1">else</span>
<span class="re0">$item</span><span class="sy0">-></span><span class="me1">set_kids</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeRender"</span><span class="sy0">,</span><span class="st0">"custom_define"</span><span class="br0">)</span>;</pre>
<p>
The same approach can be used for non-dynamical mode of Tree|TreeGrid as well. It not so necessary , but will increase data generation performance as well. Package contains two samples of basic tree loading, one of which use forced kids flag setting and second not
</p>
<ul>
<li class="level1"><div class="li"> 01_basic_connector.php - 1.42s - default loading </div>
</li>
<li class="level1"><div class="li"> 01p_basic connector.php - 0.36s - with custom code for kids flag setting</div>
</li>
</ul>
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<li class="level2"><div class="li"><span class="li"><a href="#data_configuration" class="toc">Data configuration</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#single_table_operations" class="toc">Single table operations</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#join_tables_and_complex_queries_operations" class="toc">Join Tables and Complex Queries Operations</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#extra_data" class="toc">Extra data</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#tree_and_treegrid" class="toc">Tree and TreeGrid</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#aliases" class="toc">Aliases</a></span></div></li></ul>
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<h2><a name="data_configuration" id="data_configuration">Data configuration</a></h2>
<div class="level2">
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<h3><a name="single_table_operations" id="single_table_operations">Single table operations</a></h3>
<div class="level3">
<p>
Once you get connection object you are ready to decide what data should take part in load/update operations. Where all necessary data is placed in one database table you should use the render_table method:
</p>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
The parameters of this method are:
</p>
<ul>
<li class="level1"><div class="li"> database table name</div>
</li>
<li class="level1"><div class="li"> name of identity field <sup><a href="#fn__1" name="fnt__1" id="fnt__1" class="fn_top">1)</a></sup></div>
</li>
<li class="level1"><div class="li"> list of fields which should be used as values of component item (cells of grid, item label in tree, text of option in combo)</div>
</li>
</ul>
<p>
This is all you need to make connector implement select, insert, update and delete operations.
</p>
<p>
If you want to render all fields from DB ( except of key field ), you can use simplified command
</p>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="br0">)</span>;</pre>
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<h3><a name="join_tables_and_complex_queries_operations" id="join_tables_and_complex_queries_operations">Join Tables and Complex Queries Operations</a></h3>
<div class="level3">
<p>
You are allowed to use any <acronym title="Structured Query Language">SQL</acronym> statements to populate any dhtmlx component through dhtmlxConnector. This is possible with the render_sql method:
</p>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="st0">"SELECT * from tableA INNER JOIN tableB ON tableA.id=tableB.id"</span><span class="sy0">,</span> <span class="st0">""</span><span class="sy0">,</span><span class="st0">"name,price"</span><span class="br0">)</span>;</pre>
<p>
The parameters of the render_sql method are the following:
</p>
<ul>
<li class="level1"><div class="li"> sql statement</div>
</li>
<li class="level1"><div class="li"> field to use as identifier <sup><a href="#fn__2" name="fnt__2" id="fnt__2" class="fn_top">2)</a></sup></div>
</li>
<li class="level1"><div class="li"> list of fields which should be used as values of component item (cells for grid, item label for tree, text of option for combo)</div>
</li>
<li class="level1"><div class="li"> list of extra fields, they will not be sent to client side but can be used as attributes or flags</div>
</li>
<li class="level1"><div class="li"> parent ID field name for hierarchical structures (required for tree and treegrid) *</div>
</li>
</ul>
<p>
In case your <acronym title="Structured Query Language">SQL</acronym> query was against single table, it is quite probable that insert/update/delete operations do not require any additional code. dhtmlxConnector will parse your <acronym title="Structured Query Language">SQL</acronym> and generate insert/update/delete statements based on used table and fields names.
</p>
<p>
If your <acronym title="Structured Query Language">SQL</acronym> statement contains more than one table, connector will not be able to generate insert/update/delete operations correctly, so you will need do one from next
</p>
<ul>
<li class="level1"><div class="li"> define sql for each operation manually</div>
</li>
<li class="level1"><div class="li"> use server side events to define your own processing logic</div>
</li>
<li class="level1"><div class="li"> define different configs for select and update operations</div>
</li>
</ul>
<p>
The 3rd approach shown in below sample
</p>
<pre class="code php"> <span class="kw1">if</span> <span class="br0">(</span><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">is_select_mode</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="co1">//code for loading data</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="st0">"Select * from tableA, tableB where tableA.id=tableB.id"</span><span class="sy0">,</span> <span class="st0">"a.id"</span><span class="sy0">,</span><span class="st0">"name,price,other"</span><span class="br0">)</span>;
<span class="kw1">else</span> <span class="co1">//code for other operations - i.e. update/insert/delete</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"tableA"</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"name,price"</span><span class="br0">)</span>;</pre>
<p>
With such init code grid will be loaded with three columns of data from 2 tables, but during saving only data from first table will be saved.
</p>
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<h3><a name="extra_data" id="extra_data">Extra data</a></h3>
<div class="level3">
<p>
Last parameter of render_sql and render_table allows to define list of fields which will be used for rendering in grid and in update|insert operations, but command can be extended to define additional fields, which will be extracted from DB and can be mapped to different properties of records ( userdata, row styles, images, etc. ).
</p>
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"tableA"</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"name,price"</span><span class="sy0">,</span><span class="st0">"extra1,extra2"</span><span class="br0">)</span>;
<span class="co1">// or</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="st0">"Select * from tableA, tableB where tableA.id=tableB.id"</span><span class="sy0">,</span> <span class="st0">"table_a_id"</span><span class="sy0">,</span><span class="st0">"name,price,other"</span><span class="sy0">,</span><span class="st0">"extra1,extra2"</span><span class="br0">)</span>;</pre>
<p>
extra1 and extra2 fields will be available in all server side event of grid, but will not be sent to server side, and will not be included in update|insert operations.
</p>
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<h3><a name="tree_and_treegrid" id="tree_and_treegrid">Tree and TreeGrid</a></h3>
<div class="level3">
<p>
In case of Tree and TreeGrid , both render_sql and render_table accept one more parameter - relation ID. For default treegrid hierarchy - this is name of field , which will be used to link parent and child records.
</p>
<pre class="code php"><span class="re0">$treeGridConn</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"tableA"</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"name,price"</span><span class="sy0">,</span><span class="st0">""</span><span class="sy0">,</span><span class="st0">"parent_id"</span><span class="br0">)</span>;
<span class="co1">// or</span>
<span class="re0">$treeGridConn</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="st0">"Select * from tableA, tableB where tableA.id=tableB.id"</span><span class="sy0">,</span> <span class="st0">"a.id"</span><span class="sy0">,</span><span class="st0">"name,price,other"</span><span class="sy0">,</span><span class="st0">""</span><span class="sy0">,</span><span class="st0">"parent_id"</span><span class="br0">)</span>;</pre>
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<h3><a name="aliases" id="aliases">Aliases</a></h3>
<div class="level3">
<p>
You can use aliases for DB field names to made later usage of extracted data more usable ( will have sense only if your are using server side events )
</p>
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"tableA"</span><span class="sy0">,</span><span class="st0">"id"</span><span class="sy0">,</span><span class="st0">"name,price(product_price)"</span><span class="br0">)</span>;
<span class="co1">// or</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_sql</span><span class="br0">(</span><span class="st0">"Select *,tableA.id as aid from tableA, tableB where tableA.id=tableB.id"</span><span class="sy0">,</span> <span class="st0">"tableA.id(aid)"</span><span class="sy0">,</span><span class="st0">"name,price(product_price),other"</span><span class="br0">)</span>;</pre>
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<h2><a name="filtering" id="filtering">Filtering</a></h2>
<div class="level2">
<p>
While all connector can <a href="dhtmlxconnector___url_manipulation.html" class="wikilink1" title="dhtmlxconnector:url_manipulation">filter data by url manipulation</a>, only Grid and TreeGrid<sup><a href="#fn__1" name="fnt__1" id="fnt__1" class="fn_top">1)</a></sup> has native <acronym title="Graphical User Interface">GUI</acronym> for sorting, so below info mostly actual for those two components.
</p>
<p>
To enable server side filtering you can use one of the following in-header filter types while configuring dhtmlxGrid:
</p>
<ul>
<li class="level1"><div class="li">#connector_text_filter - searches for values which contain mask defined through text field</div>
</li>
<li class="level1"><div class="li">#connector_select_filter - searches for values which contain mask defined through list of possible values</div>
</li>
</ul>
<pre class="code javascript"> mygrid.<span class="me1">setHeader</span><span class="br0">(</span><span class="st0">"Column A, Column B"</span><span class="br0">)</span>;
mygrid.<span class="me1">attachHeader</span><span class="br0">(</span><span class="st0">"#connector_text_filter,#connector_select_filter"</span><span class="br0">)</span></pre>
<p>
When using text filter, no any additional configuration necessary. Grid will automatically send data about new entered text and filter server side using %mask% pattern.
If you need change filtering pattern or implement more advanced logic - <a href="dhtmlxconnector___events_system.html" class="wikilink1" title="dhtmlxconnector:events_system">beforeFilter</a> server side event can be used
</p>
</div>
<h4><a name="redefining_filtering_through_beforefilter" id="redefining_filtering_through_beforefilter">Redefining filtering through beforeFilter</a></h4>
<div class="level4">
<p>
Event receives <a href="dhtmlxconnector___filterinterface_object.html" class="wikilink1" title="dhtmlxconnector:filterinterface_object">FilterInterface Object</a> as parameter
</p>
<p>
<strong>Define default filtering</strong>
</p>
<pre class="code php"> <span class="kw2">function</span> custom_filter<span class="br0">(</span><span class="re0">$filter_by</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">//WHERE some_field LIKE 'value'</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span><a href="http://www.php.net/sizeof"><span class="kw3">sizeof</span></a><span class="br0">(</span><span class="re0">$filter_by</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">)</span><span class="br0">)</span>
<span class="re0">$filter_by</span><span class="sy0">-></span><span class="me1">add</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="sy0">,</span><span class="st0">"value"</span><span class="sy0">,</span><span class="st0">"LIKE"</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeFilter"</span><span class="sy0">,</span><span class="st0">"custom_filter"</span><span class="br0">)</span>;</pre>
<p>
<strong>Redefine default filtering logic</strong>
</p>
<pre class="code php"> <span class="kw2">function</span> custom_filter<span class="br0">(</span><span class="re0">$filter_by</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">//change WHERE some_field LIKE '%value%' to the WHERE some_field > 'value'</span>
<span class="re0">$index</span> <span class="sy0">=</span> <span class="re0">$filter_by</span><span class="sy0">-></span><span class="me1">index</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="br0">)</span>;
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$index</span><span class="sy0">!==</span><span class="kw2">false</span><span class="br0">)</span> <span class="co1">//there is client side input for the filter</span>
<span class="re0">$filter_by</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="re0">$index</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"operation"</span><span class="br0">]</span><span class="sy0">=</span><span class="st0">">"</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeFilter"</span><span class="sy0">,</span><span class="st0">"custom_filter"</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="custom_php_level_filters" id="custom_php_level_filters">Custom PHP level filters</a></h4>
<div class="level4">
<p>
By using beforeRender events it possible to define filtering rules as <acronym title="Hypertext Preprocessor">PHP</acronym> code ( will <strong> not work </strong> for dyn. modes )
</p>
<pre class="code php"><span class="kw2">function</span> custom_filter<span class="br0">(</span><span class="re0">$data</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$data</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"some"</span><span class="br0">)</span><span class="sy0"><</span><span class="nu19">0</span><span class="br0">)</span>
<span class="re0">$data</span><span class="sy0">-></span><span class="me1">skip</span><span class="br0">(</span><span class="br0">)</span>; <span class="co1">//not include in output</span>
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeRender"</span><span class="sy0">,</span><span class="st0">"custom_filter"</span><span class="br0">)</span></pre>
</div>
<h4><a name="filling_options_for_select_filter" id="filling_options_for_select_filter">Filling options for select filter</a></h4>
<div class="level4">
<p>
If you are using select filter you may need to define list of options in select box, it can be defined in one of 3 ways
</p>
<ul>
<li class="level1"><div class="li"> automatic - if no custom instruction provided , grid will use DISTINCT select against related field, and fetch all possible options</div>
</li>
<li class="level1"><div class="li"> hardcoded list </div>
</li>
</ul>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_options</span><span class="br0">(</span><span class="st0">"item_nm"</span><span class="sy0">,</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span><span class="st0">"1"</span><span class="sy0">,</span><span class="st0">"two"</span><span class="sy0">,</span><span class="st0">"3"</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> list created on base of different table</div>
</li>
</ul>
<pre class="code php"> <span class="re0">$filter1</span> <span class="sy0">=</span> <span class="kw2">new</span> OptionsConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$filter1</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"countries"</span><span class="sy0">,</span><span class="st0">"country_id"</span><span class="sy0">,</span><span class="st0">"country_name(value)"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_options</span><span class="br0">(</span><span class="st0">"item_nm"</span><span class="sy0">,</span><span class="re0">$filter1</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
You can use both render_table and render_sql for OptionsConnector object, same as for any normal connector.
</p>
<p>
Beware that name of fields, used in select filter need to have alias <strong>(value)</strong>
</p>
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<div class="fn"><sup><a href="#fnt__1" id="fn__1" name="fn__1" class="fn_bot">1)</a></sup>
server side filtering with dhtmlxTreeGrid doesn't maintain open states</div>
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<h2><a name="beforerender" id="beforerender">beforeRender</a></h2>
<div class="level2">
<p>
The beforeRender event occurs after data has been selected from the database but before its outputting to client.
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeRender"</span><span class="sy0">,</span>myFunction<span class="br0">)</span>;
</pre>
<p>
In this event myFunction gets data item object as incoming argument. This object has <a href="dhtmlxconnector___formatting_changing_data_before_loading.html" class="wikilink1" title="dhtmlxconnector:formatting_changing_data_before_loading">different methods</a> for different client side components.
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<h2><a name="beforeoutput" id="beforeoutput">beforeOutput</a></h2>
<div class="level2">
<p>
The beforeOutput event occurs after data has been selected from the database and ready to be sent to client side
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeOutput"</span><span class="sy0">,</span>myFunction<span class="br0">)</span>;
</pre>
<p>
In this event myFunction doesn't get any parameters.
</p>
<p>
Event can be used to mix some custom data in <acronym title="Extensible Markup Language">XML</acronym> output.
</p>
<p>
Most common use-case - header structure for the grid.
</p>
<pre class="code php"> <span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="kw2">function</span> grid_header<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
<a href="http://www.php.net/echo"><span class="kw3">echo</span></a> <span class="st_h">'<head>
<column width="50" type="dyn" align="right" color="white" sort="str">Sales</column>
<column width="150" type="ed" align="left" color="#d5f1ff" sort="str">Book Title</column>
</head>'</span>;
<span class="br0">}</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeOutput"</span><span class="sy0">,</span><span class="st0">"grid_header"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
In case of dyn. loading mode, one more check need to be added, to prevent data output for additional data calls.
</p>
<pre class="code php"> <span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="kw2">function</span> grid_header<span class="br0">(</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span><a href="http://www.php.net/isset"><span class="kw3">isset</span></a><span class="br0">(</span><span class="re0">$_GET</span><span class="br0">[</span><span class="st0">"posStart"</span><span class="br0">]</span><span class="br0">)</span><span class="br0">)</span>
<a href="http://www.php.net/echo"><span class="kw3">echo</span></a> <span class="st_h">'<head>
<column width="50" type="dyn" align="right" color="white" sort="str">Sales</column>
<column width="150" type="ed" align="left" color="#d5f1ff" sort="str">Book Title</column>
</head>'</span>;
<span class="br0">}</span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeOutput"</span><span class="sy0">,</span><span class="st0">"grid_header"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">dynamic_loading</span><span class="br0">(</span><span class="nu0">100</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50000"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
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<h2><a name="beforesort" id="beforesort">beforeSort</a></h2>
<div class="level2">
<p>
This event occurs before data loading and allows to customize <a href="dhtmlxconnector___sorting.html" class="wikilink1" title="dhtmlxconnector:sorting">sorting</a> of dataset
</p>
<pre class="code javascript"> $gridConn<span class="sy0">-></span>event<span class="sy0">-></span>attach<span class="br0">(</span><span class="st0">"beforeSort"</span><span class="sy0">,</span>handlerFunc<span class="br0">)</span>;</pre>
<p>
handlerFunc gets the following arguments:
</p>
<ul>
<li class="level1"><div class="li"> $sort_by - <a href="dhtmlxconnector___sortinterface_object.html" class="wikilink1" title="dhtmlxconnector:sortinterface_object">SortInterface object</a></div>
</li>
</ul>
<p>
Sample of usage:
</p>
<pre class="code php"> <span class="kw2">function</span> custom_sort<span class="br0">(</span><span class="re0">$sorted_by</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">// SORT BY LENGTH(some_field)</span>
<span class="re0">$sorted_by</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="nu19">0</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"name"</span><span class="br0">]</span><span class="sy0">=</span><span class="st0">"LENGTH(some_field)"</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">attach</span><span class="sy0">-></span><span class="me1">event</span><span class="br0">(</span><span class="st0">"beforeSort"</span><span class="sy0">,</span><span class="st0">"custom_sort"</span><span class="br0">)</span>;</pre>
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<h2><a name="beforeupdate" id="beforeupdate">beforeUpdate</a></h2>
<div class="level2">
<p>
This event occurs before updating values in database and can cancel default update statement (see error, invalid and success methods below). It can be used also to validate incoming values (see invalid() method below).
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeUpdate"</span><span class="sy0">,</span>myUpdate<span class="br0">)</span>;</pre>
<p>
In the code string above myUpdate function gets $action object as incoming argument.
$action is an instance of DataAction object
</p>
<p>
Samples of usage:
</p>
<pre class="code php"><span class="co1">//creates and runs own update statement using values came in request, cancels default update</span>
<span class="kw2">function</span> myUpdate<span class="br0">(</span><span class="re0">$action</span><span class="br0">)</span><span class="br0">{</span>
<a href="http://www.php.net/mysql_query"><span class="kw3">mysql_query</span></a><span class="br0">(</span><span class="st0">"UPDATE Countries SET item_nm='{$action->get_value('name')}' WHERE item_id='{$action->get_id()}'"</span><span class="br0">)</span>;
<span class="re0">$action</span><span class="sy0">-></span><span class="me1">success</span><span class="br0">(</span><span class="br0">)</span>;
<span class="br0">}</span></pre><pre class="code php"><span class="co1">//checks if value of name is empty, then cancel update. Otherwise proceeds with default update. </span>
<span class="kw2">function</span> myUpdate<span class="br0">(</span><span class="re0">$action</span><span class="br0">)</span><span class="br0">{</span>
<span class="kw1">if</span><span class="br0">(</span><span class="re0">$action</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="st0">"name"</span><span class="br0">)</span><span class="sy0">==</span><span class="st0">""</span><span class="br0">)</span>
<span class="re0">$action</span><span class="sy0">-></span><span class="me1">invalid</span><span class="br0">(</span><span class="br0">)</span>;
<span class="br0">}</span></pre><pre class="code php"><span class="co1">//sets new value for name and proceeds with default update. </span>
<span class="kw2">function</span> myUpdate<span class="br0">(</span><span class="re0">$action</span><span class="br0">)</span><span class="br0">{</span>
<span class="re0">$new_value</span> <span class="sy0">=</span> <a href="http://www.php.net/rand"><span class="kw3">rand</span></a><span class="br0">(</span><span class="nu19">0</span><span class="sy0">,</span><span class="nu0">100</span><span class="br0">)</span>;
<span class="re0">$action</span><span class="sy0">-></span><span class="me1">set_value</span><span class="br0">(</span><span class="st0">"name"</span><span class="sy0">,</span><span class="re0">$new_value</span><span class="br0">)</span>;
<span class="br0">}</span></pre>
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dhtmlxconnector:data_export [DHX documentation]
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<h3><a name="export_data" id="export_data">Export data</a></h3>
<div class="level3">
<p>
By using external grid-to-pdf and grid-to-excel services, it possible to convert data of grid to <acronym title="Portable Document Format">PDF</acronym> or Excel directly on server side.
It can be used to export data from any table to <acronym title="Portable Document Format">PDF</acronym> or Excel, without actually rendering data in the grid.
</p>
<p>
Data part of exported part is defined by <a href="dhtmlxconnector___loading_editing_data.html" class="wikilink1" title="dhtmlxconnector:loading_editing_data">render command</a>, header part of data is defined by <a href="dhtmlxconnector___defining_grid_structure_on_server_side.html" class="wikilink1" title="dhtmlxconnector:defining_grid_structure_on_server_side">GridConfiguration</a> - same as for normal grid.
</p>
</div>
<h5><a name="pdf" id="pdf">PDF</a></h5>
<div class="level5">
<pre class="code php"><span class="kw2"><?php</span>
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../../codebase/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../../codebase/convert.php"</span><span class="br0">)</span>;
<span class="co1">//url to data conversion service</span>
<span class="re0">$convert</span> <span class="sy0">=</span> <span class="kw2">new</span> ConvertService<span class="br0">(</span><span class="st0">"http://dhtmlx.com/docs/products/devExchange/samples/grid2pdf_02/server/generate.php"</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>; <span class="co1">//mandatory </span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="br0">)</span>; <span class="co1">//table name and optional list of fields</span>
<span class="kw2">?></span></pre>
</div>
<h5><a name="excel" id="excel">Excel</a></h5>
<div class="level5">
<pre class="code php"> <span class="kw1">require_once</span><span class="br0">(</span><span class="st0">"../../config.php"</span><span class="br0">)</span>;
<span class="re0">$res</span><span class="sy0">=</span><a href="http://www.php.net/mysql_connect"><span class="kw3">mysql_connect</span></a><span class="br0">(</span><span class="re0">$mysql_server</span><span class="sy0">,</span><span class="re0">$mysql_user</span><span class="sy0">,</span><span class="re0">$mysql_pass</span><span class="br0">)</span>;
<a href="http://www.php.net/mysql_select_db"><span class="kw3">mysql_select_db</span></a><span class="br0">(</span><span class="re0">$mysql_db</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../../codebase/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../../codebase/convert.php"</span><span class="br0">)</span>;
<span class="co1">//url to data conversion service</span>
<span class="re0">$convert</span> <span class="sy0">=</span> <span class="kw2">new</span> ConvertService<span class="br0">(</span><span class="st0">"http://dhtmlx.com/docs/products/devExchange/samples/grid2excel_02/server/generate.php"</span><span class="br0">)</span>;
<span class="re0">$convert</span><span class="sy0">-></span><span class="me1">excel</span><span class="br0">(</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span>; <span class="co1">//mandatory </span>
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"grid50"</span><span class="br0">)</span>; <span class="co1">//table name and optional list of fields</span></pre>
</div>
<h5><a name="options" id="options">Options</a></h5>
<div class="level5">
<p>
ConvertService has two public methods, which allows to define type of conversion and name of result file
</p>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">pdf</span><span class="br0">(</span><span class="st0">"some.pdf"</span><span class="sy0">,</span><span class="kw2">false</span><span class="br0">)</span>;</pre>
<p>
or
</p>
<pre class="code php"> <span class="re0">$grid</span><span class="sy0">-></span><span class="me1">excel</span><span class="br0">(</span><span class="st0">"some.xls"</span><span class="sy0">,</span><span class="kw2">false</span><span class="br0">)</span>;</pre>
<p>
Second parameter of command controls how file will be delivered
</p>
<ul>
<li class="level1"><div class="li"> false - as file</div>
</li>
<li class="level1"><div class="li"> true - as inline content ( if browser has related plugin - it will open document )</div>
</li>
</ul>
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dhtmlxconnector:custom_queries [DHX documentation]
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<li class="clear">
<ul class="toc">
<li class="level2"><div class="li"><span class="li"><a href="#using_connector_for_db_operation" class="toc">Using connector for DB operation</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#sql_queries" class="toc">SQL queries</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#operation_through_connector" class="toc">Operation through connector</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#creating_addtional_output-less_connectors" class="toc">Creating addtional output-less connectors</a></span></div></li></ul>
</li></ul>
</li></ul>
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</p>
<h2><a name="using_connector_for_db_operation" id="using_connector_for_db_operation">Using connector for DB operation</a></h2>
<div class="level2">
<p>
When implementing custom queries , it may be necessary to execute some custom update against DB.
It possible to use connector's code, which will provide abstraction from underline DB
</p>
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<h3><a name="sql_queries" id="sql_queries">SQL queries</a></h3>
<div class="level3">
<p>
You can access DBWrapper object as
</p>
<pre class="code php"> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">sql</span></pre>
<p>
and use it for custom queries
</p>
<pre class="code php"> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">query</span><span class="br0">(</span><span class="st0">"DELETE FROM some_table WHERE ID=1"</span><span class="br0">)</span>;</pre>
<p>
or
</p>
<pre class="code php"> <span class="re0">$res</span> <span class="sy0">=</span> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">query</span><span class="br0">(</span><span class="st0">"SELECT * FROM some_table WHERE ID=1"</span><span class="br0">)</span>;
<span class="re0">$data</span> <span class="sy0">=</span> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">get_next</span><span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;</pre>
<p>
or
</p>
<pre class="code php"> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">query</span><span class="br0">(</span><span class="st0">"INSERT INTO some_table(type) VALUES('simple')"</span><span class="br0">)</span>;
<span class="re0">$id</span> <span class="sy0">=</span> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">get_new_id</span><span class="br0">(</span><span class="br0">)</span>;</pre>
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<h3><a name="operation_through_connector" id="operation_through_connector">Operation through connector</a></h3>
<div class="level3">
<p>
Connector object has 3 methods for manipulation with underline table
</p>
<pre class="code php"> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">delete</span><span class="br0">(</span><span class="re0">$id</span><span class="br0">)</span>;</pre>
<p>
parameter - value of ID field, for which record need to be deleted
</p>
<pre class="code php"> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">update</span><span class="br0">(</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span>
<span class="st0">"type_id"</span> <span class="sy0">=></span> <span class="st_h">'1'</span>
<span class="st0">"type"</span> <span class="sy0">=></span> <span class="st_h">'simple'</span>
<span class="br0">)</span><span class="br0">)</span>;</pre>
<p>
parameter - has of values, it must contain ID field for successfull result.
</p>
<pre class="code php"> <span class="re0">$id</span> <span class="sy0">=</span> <span class="re0">$connector</span><span class="sy0">-></span><span class="me1">insert</span><span class="br0">(</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span>
<span class="st0">"type"</span> <span class="sy0">=></span> <span class="st0">"simple"</span><span class="sy0">,</span>
<span class="br0">)</span><span class="br0">)</span>;</pre>
<p>
parameter - has of values
</p>
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<h3><a name="creating_addtional_output-less_connectors" id="creating_addtional_output-less_connectors">Creating addtional output-less connectors</a></h3>
<div class="level3">
<p>
You can create an extra connector object on the fly and use it for DB operations
</p>
<pre class="code php">
<span class="re0">$temp</span> <span class="sy0">=</span> <span class="kw2">new</span> Connector<span class="br0">(</span><span class="re0">$db_connection</span><span class="br0">)</span>;
<span class="re0">$temp</span><span class="sy0">-></span><span class="me1">configure</span><span class="br0">(</span><span class="st0">"some_table"</span><span class="br0">)</span>;
<span class="re0">$temp</span><span class="sy0">-></span><span class="me1">insert</span><span class="br0">(</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span>
<span class="st0">"some1"</span> <span class="sy0">=></span> <span class="st0">"value 1"</span><span class="sy0">,</span>
<span class="st0">"some2"</span> <span class="sy0">=></span> <span class="st0">"value 2"</span>
<span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$temp</span><span class="sy0">-></span><span class="me1">delete</span><span class="br0">(</span><span class="st0">"2"</span><span class="br0">)</span>;</pre>
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<li class="level2"><div class="li"><span class="li"><a href="#error_handling_and_logging" class="toc">Error Handling and Logging</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#dataprocessor_logging" class="toc">Dataprocessor logging</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#adding_custom_records_to_the_log" class="toc">Adding custom records to the log</a></span></div></li></ul>
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<h2><a name="error_handling_and_logging" id="error_handling_and_logging">Error Handling and Logging</a></h2>
<div class="level2">
<p>
During development phase, we strongly recommend to use server side logs, which can be enabled as
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">enable_log</span><span class="br0">(</span><span class="st0">"path to log file"</span><span class="br0">)</span>;</pre>
<p>
In the code string above you should specify only one parameter:
</p>
<ul>
<li class="level1"><div class="li"> absolute or relative path to text file where log will be written </div>
</li>
</ul>
<p>
If any error occurs during data processing client side data processor object will receive “error” action, which will contain short info about the problem (full info will be written in the log )
If you want to show full error info on client side you should use the following code string (useful for debug, not recommended for production )
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">enable_log</span><span class="br0">(</span><span class="st0">"path to log file"</span><span class="sy0">,</span><span class="kw2">true</span><span class="br0">)</span>;</pre>
<p>
In such mode, when critical error occurs all log records for current session will be send to client and shown in browser.
</p>
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<h3><a name="dataprocessor_logging" id="dataprocessor_logging">Dataprocessor logging</a></h3>
<div class="level3">
<p>
Dataprocessor has its own client side logger, which can be enabled by including one additional js file - <em>dhtmlxdataprocessor_debug.js</em>
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<h3><a name="adding_custom_records_to_the_log" id="adding_custom_records_to_the_log">Adding custom records to the log</a></h3>
<div class="level3">
<p>
During development , you may have need to write some custom data to the log ( can be useful for custom server side events ), in such case you can use default log as
</p>
<pre class="code php"> LogMaster<span class="sy0">::</span><a href="http://www.php.net/log"><span class="kw3">log</span></a><span class="br0">(</span><span class="st0">"any text here"</span><span class="br0">)</span>;</pre>
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dhtmlxconnector:dataaction_object [DHX documentation]
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<h2><a name="dataaction_object" id="dataaction_object">DataAction Object</a></h2>
<div class="level2">
</div>
<h4><a name="get_value" id="get_value">get_value</a></h4>
<div class="level4">
<p>
method - returns value of named field ( name of column or alias):
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="re0">$name</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> name of column or alias.</div>
</li>
</ul>
</div>
<h4><a name="set_value" id="set_value">set_value</a></h4>
<div class="level4">
<p>
method sets value of named field:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">set_value</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name or alias of the field</div>
</li>
<li class="level1"><div class="li"> $value - value of the field in question</div>
</li>
</ul>
</div>
<h4><a name="get_status" id="get_status">get_status</a></h4>
<div class="level4">
<p>
method returns action type of the item:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">get_status</span><span class="br0">(</span><span class="br0">)</span></pre>
</div>
<h4><a name="set_status" id="set_status">set_status</a></h4>
<div class="level4">
<p>
method allows to set the status of operation - do not use it if you need to avoid using custom status:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">set_status</span><span class="br0">(</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $value- status of operation</div>
</li>
</ul>
</div>
<h4><a name="get_id" id="get_id">get_id</a></h4>
<div class="level4">
<p>
method returns id of the current record:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">get_id</span><span class="br0">(</span><span class="br0">)</span></pre>
</div>
<h4><a name="get_data" id="get_data">get_data</a></h4>
<div class="level4">
<p>
method returns hash of values:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">get_data</span><span class="br0">(</span><span class="br0">)</span></pre>
</div>
<h4><a name="set_response_text" id="set_response_text">set_response_text</a></h4>
<div class="level4">
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">set_response_text</span><span class="br0">(</span><span class="re0">$text</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $text - any text value , which will be returned on client side with related action structure</div>
</li>
</ul>
</div>
<h4><a name="set_response_xml" id="set_response_xml">set_response_xml</a></h4>
<div class="level4">
<p>
method allows to set xml-string , which will be included in response ( if you need to provide just a text - use the method mentioned above ):
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">set_response_xml</span><span class="br0">(</span><span class="re0">$text</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $text - any text value , which will be returned on client side with related action structure</div>
</li>
</ul>
</div>
<h4><a name="set_response_attribute" id="set_response_attribute">set_response_attribute</a></h4>
<div class="level4">
<p>
method allows to define custom attribute, which will be added to the related action tag in <acronym title="Extensible Markup Language">XML</acronym> response
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">set_response_attribute</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
</div>
<h4><a name="invalid" id="invalid">invalid</a></h4>
<div class="level4">
<p>
method marks provided data as invalid and cancels default update operation:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">invalid</span><span class="br0">(</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="error" id="error">error</a></h4>
<div class="level4">
<p>
method marks operation as invalid and stops in further processing
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">error</span><span class="br0">(</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="success" id="success">success</a></h4>
<div class="level4">
<p>
method confirms that operation has been executed correctly and cancels default update operation:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">success</span><span class="br0">(</span><span class="br0">)</span>;</pre>
<p>
in case of Insert operation, method can receive one parameter - new ID of element ( which will be updated on client side )
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">success</span><span class="br0">(</span><span class="re0">$id</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="add_field" id="add_field">add_field</a></h4>
<div class="level4">
<p>
method allows to register field for usage during update|insert|delete operation:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">add_field</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name or alias of the field</div>
</li>
<li class="level1"><div class="li"> $value - value of the field in question</div>
</li>
</ul>
</div>
<h4><a name="remove_field" id="remove_field">remove_field</a></h4>
<div class="level4">
<p>
method allows to remove one of default fields from db operation:
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">remove_field</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name or alias of the field</div>
</li>
<li class="level1"><div class="li"> $value - value of the field in question</div>
</li>
</ul>
</div>
<h4><a name="get_new_id" id="get_new_id">get_new_id</a></h4>
<div class="level4">
<p>
method returns ID, received after insert operation ( valid for afterProcessing event only )
</p>
<pre class="code php"> <span class="re0">$action</span><span class="sy0">-></span><span class="me1">get_new_id</span><span class="br0">(</span><span class="br0">)</span>;</pre>
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<h2><a name="events_system" id="events_system">Events System</a></h2>
<div class="level2">
<p>
Available events:
</p>
<ul>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_beforesort.html" class="wikilink1" title="dhtmlxconnector:event_beforesort">beforeSort Event</a></div>
</li>
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</li>
</ul>
<ul>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_beforeupdate.html" class="wikilink1" title="dhtmlxconnector:event_beforeupdate">beforeUpdate Event</a> </div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_beforeinsert.html" class="wikilink1" title="dhtmlxconnector:event_beforeinsert">beforeInsert Event</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_beforedelete.html" class="wikilink1" title="dhtmlxconnector:event_beforedelete">beforeDelete Event</a> </div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_afterupdate.html" class="wikilink1" title="dhtmlxconnector:event_afterupdate">afterUpdate Event</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_afterinsert.html" class="wikilink1" title="dhtmlxconnector:event_afterinsert">afterInsert Event</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_afterdelete.html" class="wikilink1" title="dhtmlxconnector:event_afterdelete">afterDelete Event</a> </div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_beforeprocessing.html" class="wikilink1" title="dhtmlxconnector:event_beforeprocessing">beforeProcessing Event</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___event_afterprocessing.html" class="wikilink1" title="dhtmlxconnector:event_afterprocessing">afterProcessing Event</a></div>
</li>
</ul>
<p>
<a href="dhtmlxconnector___order_of_events_execution.html" class="wikilink1" title="dhtmlxconnector:order_of_events_execution">Order of events execution</a>
</p>
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<h2><a name="dhtmlxconnector_event_objects" id="dhtmlxconnector_event_objects">dhtmlxConnector event objects</a></h2>
<div class="level2">
<p>
<a href="dhtmlxconnector___dataaction_object.html" class="wikilink1" title="dhtmlxconnector:dataaction_object">DataAction object</a>
Object received by next events: beforeInsert, beforeUpdate, beforeDelete, beforeProcessing, afterProcessing, afterDelete, afterUpdate, afterInsert
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<a href="dhtmlxconnector___dataitem_object.html" class="wikilink1" title="dhtmlxconnector:dataitem_object">DataItem Object</a>
Object received by beforeRender event
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<ul>
<li class="level1"><div class="li"> <a href="dhtmlxconnector___griddataitem_treegriddataitem_specific.html" class="wikilink1" title="dhtmlxconnector:griddataitem_treegriddataitem_specific">GridDataItem/TreeGridDataItem specific</a></div>
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<li class="level1"><div class="li"> <a href="dhtmlxconnector___treegriddataitem.html" class="wikilink1" title="dhtmlxconnector:treegriddataitem">TreeGridDataItem</a></div>
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Object received by beforeSort event
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Object received by beforeSort event
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<h2><a name="afterdelete" id="afterdelete">afterDelete</a></h2>
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The same as <a href="dhtmlxconnector___event_afterprocessing.html" class="wikilink1" title="dhtmlxconnector:event_afterprocessing">afterProcessing</a> , but occurs only for insert operations.
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<h2><a name="beforefilter" id="beforefilter">beforeFilter</a></h2>
<div class="level2">
<p>
This event occurs before data loading and allows to customize <a href="dhtmlxconnector___sorting.html" class="wikilink1" title="dhtmlxconnector:sorting">filtering</a> of dataset
</p>
<pre class="code javascript"> $gridConn<span class="sy0">-></span>event<span class="sy0">-></span>attach<span class="br0">(</span><span class="st0">"beforeFilter"</span><span class="sy0">,</span>handlerFunc<span class="br0">)</span>;</pre>
<p>
In this event handlerFunc gets the following arguments:
</p>
<ul>
<li class="level1"><div class="li"> $filter_by - <a href="dhtmlxconnector___filterinterface_object.html" class="wikilink1" title="dhtmlxconnector:filterinterface_object">FilterInterface object</a></div>
</li>
</ul>
<p>
Sample of usage:
</p>
<pre class="code php"> <span class="kw2">function</span> custom_filter<span class="br0">(</span><span class="re0">$filter_by</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">//change WHERE some_field LIKE '%value%' to the WHERE some_field > 'value'</span>
<span class="re0">$index</span> <span class="sy0">=</span> <span class="re0">$filter_by</span><span class="sy0">-></span><span class="me1">index</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="br0">)</span>;
<span class="kw1">if</span> <span class="br0">(</span><span class="re0">$index</span><span class="sy0">!==</span><span class="kw2">false</span><span class="br0">)</span> <span class="co1">//there is client side input for the filter</span>
<span class="re0">$filter_by</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="re0">$index</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"operation"</span><span class="br0">]</span><span class="sy0">=</span><span class="st0">">"</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">attach</span><span class="sy0">-></span><span class="me1">event</span><span class="br0">(</span><span class="st0">"beforeFilter"</span><span class="sy0">,</span><span class="st0">"custom_filter"</span><span class="br0">)</span>;</pre>
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<p>
The init code are similar for all components and DB types
</p>
<h4><a name="db_types" id="db_types">DB types</a></h4>
<div class="level4">
<p>
MySQL ( php_mysql )
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="re0">$res</span><span class="sy0">=</span><a href="http://www.php.net/mysql_connect"><span class="kw3">mysql_connect</span></a><span class="br0">(</span><span class="st0">"localhost"</span><span class="sy0">,</span><span class="st0">"root"</span><span class="sy0">,</span><span class="st0">""</span><span class="br0">)</span>;
<a href="http://www.php.net/mysql_select_db"><span class="kw3">mysql_select_db</span></a><span class="br0">(</span><span class="st0">"myDatabase"</span><span class="br0">)</span>;
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
MySQLi ( php_mysqli )
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/db_mysqli.php"</span><span class="br0">)</span>;
<span class="re0">$mysqli</span> <span class="sy0">=</span> <span class="kw2">new</span> mysqli<span class="br0">(</span><span class="re0">$server</span><span class="sy0">,</span> <span class="re0">$user</span><span class="sy0">,</span> <span class="re0">$pass</span><span class="sy0">,</span> <span class="re0">$mysql_db</span><span class="br0">)</span>;
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$mysqli</span><span class="sy0">,</span><span class="st0">"MySQLi"</span><span class="br0">)</span>;</pre>
<p>
PostgreSQL ( php_pg )
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/db_postgre.php"</span><span class="br0">)</span>;
<span class="re0">$res</span> <span class="sy0">=</span> <a href="http://www.php.net/pg_connect"><span class="kw3">pg_connect</span></a><span class="br0">(</span><span class="st0">"host=localhost port=5432 dbname=mary"</span><span class="br0">)</span>;
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"Postgre"</span><span class="br0">)</span>;</pre>
<p>
Oracle ( php_oci )
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/db_oracle.php"</span><span class="br0">)</span>;
<span class="re0">$res</span> <span class="sy0">=</span> oci_connect<span class="br0">(</span><span class="st0">"scott"</span><span class="sy0">,</span> <span class="st0">"tiger"</span><span class="sy0">,</span> <span class="re0">$db</span><span class="br0">)</span>;
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"Oracle"</span><span class="br0">)</span>;</pre>
<p>
MSSQL ( php_mssql )
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/db_mssql.php"</span><span class="br0">)</span>;
<span class="re0">$res</span><span class="sy0">=</span>mssql_connect<span class="br0">(</span><span class="st_h">'.\SQLEXPRESS'</span><span class="sy0">,</span><span class="st0">"sa"</span><span class="sy0">,</span><span class="st0">"1"</span><span class="sy0">,</span><span class="kw2">false</span><span class="br0">)</span>;
mssql_select_db<span class="br0">(</span><span class="st0">"sampleDB"</span><span class="br0">)</span>;
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MsSQL"</span><span class="br0">)</span>;</pre>
<p>
PDO ( php_pdo )
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/db_pdo.php"</span><span class="br0">)</span>;
<span class="re0">$res</span> <span class="sy0">=</span> <span class="kw2">new</span> PDO<span class="br0">(</span><span class="st_h">'mysql:host=localhost;dbname=test'</span><span class="sy0">,</span> <span class="re0">$user</span><span class="sy0">,</span> <span class="re0">$pass</span><span class="br0">)</span>;
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"PDO"</span><span class="br0">)</span>;</pre>
<p>
File System
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/db_pdo.php"</span><span class="br0">)</span>;
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="st0">"/var/www/test"</span><span class="sy0">,</span><span class="st0">"FileSystem"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"./"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"A,B,C,D,E,F"</span><span class="br0">)</span>;</pre>
<p>
Excel file
</p>
<pre class="code php"><span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/db_excel.php"</span><span class="br0">)</span>;
<span class="re0">$res</span> <span class="sy0">=</span> <span class="kw2">new</span> PDO<span class="br0">(</span><span class="st_h">'mysql:host=localhost;dbname=test'</span><span class="sy0">,</span> <span class="re0">$user</span><span class="sy0">,</span> <span class="re0">$pass</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="st0">"some.xls"</span><span class="sy0">,</span> <span class="st0">"ExcelDBDataWrapper"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"A18:F83"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"A,B,C,D,E,F"</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="component_types" id="component_types">Component types</a></h4>
<div class="level4">
<p>
For other components syntax of constructor exactly the same, except, the “Grid” in object name replaced with component's name
</p>
<p>
Grid
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
TreeGrid <sup><a href="#fn__1" name="fnt__1" id="fnt__1" class="fn_top">1)</a></sup>
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/treegrid_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$treeGridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> TreeGridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
Tree <sup><a href="#fn__2" name="fnt__2" id="fnt__2" class="fn_top">2)</a></sup>
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/tree_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$treeConn</span> <span class="sy0">=</span> <span class="kw2">new</span> TreeConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
Combo
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/combo_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$comboConn</span> <span class="sy0">=</span> <span class="kw2">new</span> ComboConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
Scheduler
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/scheduler_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$schedulerConn</span> <span class="sy0">=</span> <span class="kw2">new</span> SchedulerConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
Form
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/form_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$formConn</span> <span class="sy0">=</span> <span class="kw2">new</span> FormConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
DataView
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/dataview_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$dataConn</span> <span class="sy0">=</span> <span class="kw2">new</span> DataViewConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
Chart
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/chart_connector.php"</span><span class="br0">)</span>;
<span class="co1">//...</span>
<span class="re0">$chartConn</span> <span class="sy0">=</span> <span class="kw2">new</span> ChartConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>; <span class="co1">// (!!!)</span></pre>
</div>
<div class="footnotes">
<div class="fn"><sup><a href="#fnt__1" id="fn__1" name="fn__1" class="fn_bot">1)</a></sup>
, <sup><a href="#fnt__2" id="fn__2" name="fn__2" class="fn_bot">2)</a></sup>
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<h3><a name="data_loading" id="data_loading">Data loading</a></h3>
<div class="level3">
<ul>
<li class="level1"><div class="li"> - incoming request parsed</div>
</li>
<li class="level1"><div class="li"> beforeSorting</div>
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<li class="level1"><div class="li"> beforeFiltering</div>
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<li class="level1"><div class="li"> - sql select executed</div>
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<li class="level1"><div class="li"> - for each selected record</div>
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<li class="level3"><div class="li"> beforeRender</div>
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<li class="level3"><div class="li"> - generate xml for record</div>
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<h3><a name="data_update" id="data_update">Data update</a></h3>
<div class="level3">
<ul>
<li class="level1"><div class="li"> - incoming request parsed</div>
</li>
<li class="level1"><div class="li"> - global transaction started ( if enabled )</div>
</li>
<li class="level1"><div class="li"> beforeProcessing event</div>
</li>
<li class="level1"><div class="li"> for each record</div>
<ul>
<li class="level2"><div class="li"> - record level transaction if started ( if enabled )</div>
</li>
<li class="level2"><div class="li"> beforeInsert|beforeDelete|beforeUpdate event</div>
</li>
<li class="level2"><div class="li"> - record level transaction commited ( if enabled )</div>
</li>
</ul>
</li>
<li class="level1"><div class="li"> afterProcessing event</div>
</li>
<li class="level1"><div class="li"> - global transaction commited ( if enabled )</div>
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<li class="level1"><div class="li"><span class="li"><a href="#xml_format_used_by_connector" class="toc">XML format used by connector</a></span></div>
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<li class="level2"><div class="li"><span class="li"><a href="#grid" class="toc">Grid</a></span></div></li>
<li class="level2"><div class="li"><span class="li"><a href="#treegrid" class="toc">TreeGrid</a></span></div></li>
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<h1><a name="xml_format_used_by_connector" id="xml_format_used_by_connector">XML format used by connector</a></h1>
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<h2><a name="grid" id="grid">Grid</a></h2>
<div class="level2">
<pre class="code xml"> <span class="sc3"><span class="re1"><rows<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some1"</span><span class="re2">></span><span class="re1"><cell<span class="re2">></span></span></span>value 1,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 1,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some2"</span><span class="re2">></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></rows<span class="re2">></span></span></span></pre><ul>
<li class="level1"><div class="li"> row - tag represents row in the grid</div>
</li>
<li class="level1"><div class="li"> cell - tag represents cell in the grid</div>
</li>
</ul>
<p>
row@id - mandatory attribute, must be unique for each row; row and cell tags may contain additional attributes, which will be processed in default way
</p>
<p>
In dyn loading mode
</p>
<pre class="code xml"> <span class="sc3"><span class="re1"><rows</span> <span class="re0">total_count</span>=<span class="st0">"50000"</span> <span class="re0">pos</span>=<span class="st0">"1230"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some1230"</span><span class="re2">></span><span class="re1"><cell<span class="re2">></span></span></span>value 1,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 1,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some1231"</span><span class="re2">></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></rows<span class="re2">></span></span></span></pre><ul>
<li class="level1"><div class="li"> rows@total_count - count of rows in grid, need to be sent only for first data request ( when posStart parameter is not defined ) </div>
</li>
<li class="level1"><div class="li"> rows@pos - equal to posStart parameters, define in which place of grid data will added</div>
</li>
</ul>
</div>
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<h2><a name="treegrid" id="treegrid">TreeGrid</a></h2>
<div class="level2">
<pre class="code xml"> <span class="sc3"><span class="re1"><rows<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some1"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"><cell</span> <span class="re0">image</span>=<span class="st0">"some.gif"</span><span class="re2">></span></span>value 1,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 1,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some11"</span><span class="re2">></span><span class="re1"><cell<span class="re2">></span></span></span>child value 1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>child value 2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some2"</span><span class="re2">></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></rows<span class="re2">></span></span></span></pre><ul>
<li class="level1"><div class="li"> row - tag represents row in the grid, one row tag can contain other row tags inside ( parent - child relation in hierarchy ) </div>
</li>
<li class="level1"><div class="li"> cell - tag represents cell in the grid</div>
</li>
<li class="level1"><div class="li"> row@id - mandatory attribute, must be unique for each row</div>
</li>
<li class="level1"><div class="li"> cell@image - can define image for tree cell in grid ( optional )</div>
</li>
</ul>
<p>
Dyn. loading
</p>
<pre class="code xml"> <span class="sc3"><span class="re1"><rows</span> <span class="re0">parent</span>=<span class="st0">"id"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some1"</span> <span class="re0">xmlkids</span>=<span class="st0">"1"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"><cell</span> <span class="re0">image</span>=<span class="st0">"some.gif"</span><span class="re2">></span></span>value 1,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 1,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><row</span> <span class="re0">id</span>=<span class="st0">"some2"</span><span class="re2">></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,1<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"><cell<span class="re2">></span></span></span>value 2,2<span class="sc3"><span class="re1"></cell<span class="re2">></span></span><span class="re1"></row<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></rows<span class="re2">></span></span></span></pre><ul>
<li class="level1"><div class="li"> row@xmlkids - defines that row can contain child nodes</div>
</li>
<li class="level1"><div class="li"> rows@parent - name of parent ID ( equal to incoming “id” parameter ) , ID of virtual root - 0</div>
</li>
</ul>
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<h2><a name="tree" id="tree">Tree</a></h2>
<div class="level2">
<pre class="code xml"> <span class="sc3"><span class="re1"><tree<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><item</span> <span class="re0">id</span>=<span class="st0">"some"</span> <span class="re0">text</span>=<span class="st0">"name"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"><item</span> <span class="re0">id</span>=<span class="st0">"child1"</span> <span class="re0">text</span>=<span class="st0">"name 1"</span><span class="re2">/></span></span>
<span class="sc3"><span class="re1"><item</span> <span class="re0">id</span>=<span class="st0">"child2"</span> <span class="re0">text</span>=<span class="st0">"name 2"</span><span class="re2">/></span></span>
<span class="sc3"><span class="re1"></item<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></tree<span class="re2">></span></span></span></pre><ul>
<li class="level1"><div class="li"> item tag - item in a tree, can nest other item tags to represent parent-child relation</div>
</li>
<li class="level1"><div class="li"> item@id - ID, unique for each item</div>
</li>
<li class="level1"><div class="li"> item@text - label</div>
</li>
</ul>
<p>
In case of dyn. loading
</p>
<pre class="code xml"> <span class="sc3"><span class="re1"><tree</span> <span class="re0">id</span>=<span class="st0">"id"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"><item</span> <span class="re0">id</span>=<span class="st0">"some"</span> <span class="re0">text</span>=<span class="st0">"name"</span> <span class="re0">childs</span>=<span class="st0">"1"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"></item<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></tree<span class="re2">></span></span></span></pre><ul>
<li class="level1"><div class="li"> item@childs - defines that row can contain child nodes</div>
</li>
<li class="level1"><div class="li"> tree@id - name of parent ID ( equal to incoming “id” parameter ) , ID of virtual root - 0</div>
</li>
</ul>
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<h2><a name="combo" id="combo">Combo</a></h2>
<div class="level2">
<pre class="code xml"> <span class="sc3"><span class="re1"><data<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><option</span> <span class="re0">value</span>=<span class="st0">"some"</span><span class="re2">></span></span>Some label<span class="sc3"><span class="re1"></option<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><option</span> <span class="re0">value</span>=<span class="st0">"other"</span><span class="re2">></span></span>Other label<span class="sc3"><span class="re1"></option<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></data<span class="re2">></span></span></span></pre><ul>
<li class="level1"><div class="li"> option - represent option in combo</div>
</li>
</ul>
<p>
In case of dyn. loading
</p>
<pre class="code xml"> <span class="sc3"><span class="re1"><data</span> <span class="re0">add</span>=<span class="st0">"true"</span><span class="re2">></span></span>
<span class="sc3"><span class="re1"><option</span> <span class="re0">value</span>=<span class="st0">"some"</span><span class="re2">></span></span>Some label<span class="sc3"><span class="re1"></option<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"><option</span> <span class="re0">value</span>=<span class="st0">"other"</span><span class="re2">></span></span>Other label<span class="sc3"><span class="re1"></option<span class="re2">></span></span></span>
<span class="sc3"><span class="re1"></data<span class="re2">></span></span></span></pre>
<p>
If “pos” parameter was provided, response must contain data@add attribute , to mark that it not new set of values, but addition to existing one.
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<li class="level1"><div class="li"><span class="li"><a href="#porting_dhtmlxconnectors" class="toc">Porting dhtmlxConnectors</a></span></div>
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<li class="level2"><div class="li"><span class="li"><a href="#why_it_is_necessary" class="toc">Why it is necessary</a></span></div>
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</ul>
</li>
<li class="level2"><div class="li"><span class="li"><a href="#levels_of_implementation" class="toc">Levels of implementation</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#basic_support" class="toc">Basic Support</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#filtering_and_sorting" class="toc">Filtering and Sorting</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#dynamical_loading" class="toc">Dynamical Loading</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#saving_changes" class="toc">Saving changes</a></span></div></li></ul>
</li></ul>
</li></ul>
</div>
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<h1><a name="porting_dhtmlxconnectors" id="porting_dhtmlxconnectors">Porting dhtmlxConnectors</a></h1>
<div class="level1">
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="58-97" /><input type="hidden" name="rev" value="1279031279" /><input type="hidden" name="id" value="dhtmlxconnector:porting_connectors" /><input type="submit" value="Edit" class="button" title="Porting dhtmlxConnectors" /></div></form></div>
<h2><a name="why_it_is_necessary" id="why_it_is_necessary">Why it is necessary</a></h2>
<div class="level2">
<p>
The existing version of connectors supports just a limited set of server platforms, although we are trying to extend the list of supported languages and databases - you can't embrace the unembraceable. In case database/framework/scripting language you use in your project is not supported, you can port existing solution on your platform.
</p>
</div>
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<h3><a name="when_you_shouldn_t_do_this" id="when_you_shouldn_t_do_this">When you shouldn't do this</a></h3>
<div class="level3">
<p>
Connectors are just wrappers around existing grid functionality, that's why if you need to use this solution once, you would better use grid <acronym title="Application Programming Interface">API</acronym> directly instead of creating your own server connector.
</p>
</div>
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<h2><a name="levels_of_implementation" id="levels_of_implementation">Levels of implementation</a></h2>
<div class="level2">
<p>
Connector supports many operations implementing data load/manipulation and saving. There is an opportunity to provide supporting basic operations and ignore higher-level ones, in case they are not used in your project.
</p>
</div>
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<h3><a name="basic_support" id="basic_support">Basic Support</a></h3>
<div class="level3">
<p>
Data assignment is basic connector operation which proceeds in the following way: connector connects to database, selects data and outputs this in stdout using <acronym title="Extensible Markup Language">XML</acronym> format of the current component.
</p>
<p>
Important points:
</p>
<ol>
<li class="level1"><div class="li"> <acronym title="Extensible Markup Language">XML</acronym>-data input must occur only after sending an appropriate http-header;</div>
</li>
<li class="level1"><div class="li"> <acronym title="Extensible Markup Language">XML</acronym> must start with <acronym title="Extensible Markup Language">XML</acronym> declaration which contains an appropriate data coding;</div>
</li>
<li class="level1"><div class="li"> None other content must be sent to stdout (neither before nor after sending data by connector)</div>
</li>
</ol>
<pre class="code php"> header("Content-type:text/xml");
print("<span class="sy0"><</span>?xml version<span class="sy0">=</span><span class="st_h">'1.0'</span> encoding<span class="sy0">=</span><span class="st_h">'utf-8'</span> <span class="kw2">?></span>");
print(xml_formatted_data);</pre><ul>
<li class="level1"><div class="li"> incoming parameters - there are no any;</div>
</li>
<li class="level1"><div class="li"> restriction for output data - there is no restriction.</div>
</li>
</ul>
<p>
<a href="dhtmlxconnector___xml_format_used_by_connector.html" class="wikilink1" title="dhtmlxconnector:xml_format_used_by_connector">XML Format used by connector</a>
</p>
<p>
Implementation of this level allows to use resulting script as url for load|loadXML operations.
</p>
<p>
(technically there is an opportunity to use JSON or any other supported by component format, but you should bear in mind that complex scenarios are <acronym title="Extensible Markup Language">XML</acronym>-oriented, that's why you would better use <acronym title="Extensible Markup Language">XML</acronym>)
</p>
</div>
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<h3><a name="filtering_and_sorting" id="filtering_and_sorting">Filtering and Sorting</a></h3>
<div class="level3">
<p>
At this stage, the number of supported operations is considerably extended; you are allowed to use #connector_text_filter, connector to sort in grid and sort/filter through <acronym title="Uniform Resource Locator">URL</acronym>.
</p>
<p>
An obvious advantage of this functionality can be estimated only for operating with grid, for other components such functionality doesn't seem to be necessary (it can be used only by direct parameters setting in <acronym title="Uniform Resource Locator">URL</acronym>)
</p>
<p>
In point of fact, you should use the code of the previous stage, but there is one particularity - before using <acronym title="Extensible Markup Language">XML</acronym> data is sorted/filtered according to incoming data.
</p>
<ul>
<li class="level1"><div class="li"> Incoming parameters - GET</div>
<ul>
<li class="level2"><div class="li"> dhx_filter - hash of filtering rules</div>
<ul>
<li class="level3"><div class="li"> filtration pattern - any entry( like %x% );</div>
</li>
<li class="level3"><div class="li"> in case you have a few parameters, you should link them by AND logic;</div>
</li>
<li class="level3"><div class="li"> parameter is available only for fields with active filter;</div>
</li>
<li class="level3"><div class="li"> empty filter value means that filter wasn't set and it must be ignored.</div>
</li>
</ul>
</li>
</ul>
</li>
</ul>
<pre class="code php"> <span class="co1">// where field1 like %some% AND field2 like %other%</span>
dhx_filter<span class="br0">[</span><span class="nu0">1</span><span class="br0">]</span><span class="sy0">=</span>some<span class="sy0">&</span>dhx_filter<span class="br0">[</span><span class="nu0">2</span><span class="br0">]</span><span class="sy0">=</span>other</pre><ul>
<li class="level1"><div class="li"> dhx_sort - hash of sorting rules:</div>
<ul>
<li class="level3"><div class="li"> possible values for asc and dsc parameters;</div>
</li>
<li class="level3"><div class="li"> in case you have a few parameters, you should link them by AND logic;</div>
</li>
<li class="level3"><div class="li"> order of filtering implementation - not defined, at the moment no one component is able to create multi-field sorting</div>
</li>
</ul>
</li>
</ul>
<pre class="code php"> <span class="co1">// order by field1 ASC, field2 DESC</span>
dhx_sort<span class="br0">[</span><span class="nu0">1</span><span class="br0">]</span><span class="sy0">=</span>asc<span class="sy0">&</span>dhx_filter<span class="br0">[</span><span class="nu0">2</span><span class="br0">]</span><span class="sy0">=</span>dsc</pre>
<p>
Names of fields where filtering is enabled or columns indexes in case of grid, will be used as names in above hashes.
</p>
<ul>
<li class="level1"><div class="li"> Restriction for output data - order and structure are defined by filtering/sorting parameters.</div>
</li>
</ul>
<p>
dhtmlxCombo has an additional filtering parameter GET - <em>mask</em>, which is used for setting filtering in the text label column, using “like x%” rule.
</p>
<pre class="code php"> some<span class="sy0">.</span><span class="kw1">do</span>?mask<span class="sy0">=</span>abc</pre>
</div>
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<h3><a name="dynamical_loading" id="dynamical_loading">Dynamical Loading</a></h3>
<div class="level3">
<p>
The next step after data output implementation is dynamical loading. Dynamical loading has some particular features when working with hierarchical ( tree| treegrid ) and simple ( grid | combo ) components.
</p>
<p>
For hierarchical components, loading of data branch occurs at once.
</p>
<pre class="code php"> some<span class="sy0">.</span><span class="kw1">do</span>?id<span class="sy0">=</span><span class="nu0">123</span></pre>
<p>
<em>id</em> parameter contains “parent id” value which defines an appropriate branch, meanwhile all filtering/sorting rules which were mentioned above are always working.
</p>
<p>
For simple structure, only section data will be output according to incoming parameters.
</p>
<pre class="code php"> <span class="co1">//grid</span>
some<span class="sy0">.</span><span class="kw1">do</span>?posStart<span class="sy0">=</span><span class="nu0">20</span><span class="sy0">&</span>count<span class="sy0">=</span><span class="nu0">50</span>
<span class="co1">//combo</span>
some<span class="sy0">.</span><span class="kw1">do</span>?<a href="http://www.php.net/pos"><span class="kw3">pos</span></a><span class="sy0">=</span><span class="nu0">50</span></pre>
<p>
In grid, posStart parameter sets index of initial string and count parameter sets number of strings to output.
</p>
<p>
In combo, pos parameter sets index of initial string, number of strings is defined by server settings.
</p>
<p>
When working with grid, initial request (grid doesn't know yet how many strings are expected) doesn't contain any additional parameters.
( posStart and count are not defined )
</p>
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<h3><a name="saving_changes" id="saving_changes">Saving changes</a></h3>
<div class="level3">
<p>
Component uses dhtmlxDataProcessor in send-all-at-once mode. The articles below describe format of data sent to server side and expected reply
</p>
<ul>
<li class="level1"><div class="li"> <a href="../dhtmlxdataprocessor/dhtmlxdataprocessor___adjusting_server_side_code.html" class="wikilink1" title="dhtmlxdataprocessor:adjusting_server_side_code">adjusting server side code</a></div>
</li>
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</li>
</ul>
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</p>
<h2><a name="security" id="security">Security</a></h2>
<div class="level2">
<p>
dhtmlxConnector is open to external access of another programs that's why any external user is allowed to change data in DB, thus adding some kind of session based authentication is strongly recommended.
Built in security manager allows to limit connector for certain operations only.
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">access</span><span class="sy0">-></span><span class="me1">deny</span><span class="br0">(</span><span class="st0">"read"</span><span class="br0">)</span>; <span class="co1">//blocks Select action</span>
<span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">access</span><span class="sy0">-></span><span class="me1">deny</span><span class="br0">(</span><span class="st0">"add"</span><span class="br0">)</span>; <span class="co1">//blocks Insert action</span>
<span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">access</span><span class="sy0">-></span><span class="me1">deny</span><span class="br0">(</span><span class="st0">"edit"</span><span class="br0">)</span>; <span class="co1">//blocks Update action</span>
<span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">access</span><span class="sy0">-></span><span class="me1">deny</span><span class="br0">(</span><span class="st0">"delete"</span><span class="br0">)</span>; <span class="co1">//blocks Delete action</span></pre>
<p>
By default connector allows all operations.
</p>
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<h3><a name="transactions" id="transactions">Transactions</a></h3>
<div class="level3">
<p>
Grid allows to use transactions , for data create|update|delete operations ( be sure that used DB engine has support for transactions ). They can be enabled as
</p>
<pre class="code php"> <span class="re0">$conn</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">set_transaction_mode</span><span class="br0">(</span><span class="st0">"global"</span><span class="br0">)</span>;
or
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">set_transaction_mode</span><span class="br0">(</span><span class="st0">"record"</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="global_transaction_mode" id="global_transaction_mode">global transaction mode</a></h4>
<div class="level4">
<ul>
<li class="level1"><div class="li"> Component uses single transaction for all records inside single request. </div>
</li>
<li class="level1"><div class="li"> If any operation fails - all record operations will be rolled back, all updated rows will be returned with error status</div>
</li>
<li class="level1"><div class="li"> If custom validation was assigned and block any record - all records inside request will be blocked</div>
</li>
</ul>
</div>
<h4><a name="record_transaction_mode" id="record_transaction_mode">record transaction mode</a></h4>
<div class="level4">
<ul>
<li class="level1"><div class="li"> Component uses separate transactions for each record in request</div>
</li>
<li class="level1"><div class="li"> If any operation fails, it will not affect other operations</div>
</li>
</ul>
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<div class='backlinks'><div class='backlink last_backlink'><img src="icons___file.gif" class="media" alt="" /><a href="../index.html" class="wikilink1" title="start">Index</a></div><div class='arrow'></div><div class='backlink last_backlink'><img src="icons___connector.gif" class="media" alt="" /><a href="index.html" class="wikilink1" title="dhtmlxconnector:toc">dhtmlxconnector</a></div><div class='arrow'></div><div class='backlink'><span class="curid"><a href="dhtmlxconnector___dataitem_object.html" class="wikilink1" title="dhtmlxconnector:dataitem_object"> API of DataItem Objects </a></span></div></div>
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<h4><a name="get_value" id="get_value">get_value</a></h4>
<div class="level4">
<p>
returns value for named field
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">get_value</span><span class="br0">(</span><span class="re0">$name</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name or alias of the field</div>
</li>
</ul>
</div>
<h4><a name="set_value" id="set_value">set_value</a></h4>
<div class="level4">
<p>
allows to set value of named field
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_value</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name or alias of the field</div>
</li>
<li class="level1"><div class="li"> $value - new value </div>
</li>
</ul>
</div>
<h4><a name="get_id" id="get_id">get_id</a></h4>
<div class="level4">
<p>
returns id of the item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">get_id</span><span class="br0">(</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="set_id" id="set_id">set_id</a></h4>
<div class="level4">
<p>
allows to set id of the item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_id</span><span class="br0">(</span><span class="re0">$value</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $value - id of the item</div>
</li>
</ul>
</div>
<h4><a name="get_index" id="get_index">get_index</a></h4>
<div class="level4">
<p>
returns index of current item ( for example, in grid , it will be an index of row )
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">get_index</span><span class="br0">(</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="skip" id="skip">skip</a></h4>
<div class="level4">
<p>
calling skip method will result in ignoring current item while rendering output. It allows to define custom filtering rules
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">skip</span><span class="br0">(</span><span class="br0">)</span>;</pre>
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<h3><a name="griddataitem_specific" id="griddataitem_specific">GridDataItem specific</a></h3>
<div class="level3">
<p>
Nest all methods of <a href="dhtmlxconnector___dataitem_object.html" class="wikilink1" title="dhtmlxconnector:dataitem_object">DataItem Object</a>
</p>
</div>
<h4><a name="set_row_color" id="set_row_color">set_row_color</a></h4>
<div class="level4">
<p>
method allows to set color for any row in the component:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_row_color</span><span class="br0">(</span><span class="re0">$color</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $color - the color of the row</div>
</li>
</ul>
</div>
<h4><a name="set_row_style" id="set_row_style">set_row_style</a></h4>
<div class="level4">
<p>
method allows to set the style for any row
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_row_style</span><span class="br0">(</span><span class="re0">$style</span> <span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $style - style of the row in question</div>
</li>
</ul>
</div>
<h4><a name="set_cell_style" id="set_cell_style">set_cell_style</a></h4>
<div class="level4">
<p>
method allows to set style for any cell of the item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_cell_style</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name or alias of the cell</div>
</li>
<li class="level1"><div class="li"> $value - style of the cell in question</div>
</li>
</ul>
</div>
<h4><a name="set_cell_class" id="set_cell_class">set_cell_class</a></h4>
<div class="level4">
<p>
method allows to set class for any cell of the item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_cell_class</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name or alias of the cell</div>
</li>
<li class="level1"><div class="li"> $value - class of the cell in question</div>
</li>
</ul>
</div>
<h4><a name="set_row_attribute" id="set_row_attribute">set_row_attribute</a></h4>
<div class="level4">
<p>
method allows to set attributes for any row of the component:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_row_attribute</span><span class="br0">(</span><span class="re0">$attr</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $attr - name of attribute</div>
</li>
<li class="level1"><div class="li"> $value - value of attribute</div>
</li>
</ul>
</div>
<h4><a name="set_cell_attribute" id="set_cell_attribute">set_cell_attribute</a></h4>
<div class="level4">
<p>
method allows to set attributes for any cell of the item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_cell_attribute</span><span class="br0">(</span><span class="re0">$name</span><span class="sy0">,</span><span class="re0">$attr</span><span class="sy0">,</span><span class="re0">$value</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $name - name of alias of the cell in question</div>
</li>
<li class="level1"><div class="li"> $attr - name of attribute</div>
</li>
<li class="level1"><div class="li"> $value - value of attribute</div>
</li>
</ul>
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<li class="level2"><div class="li"><span class="li"><a href="#protocol_details" class="toc">Protocol Details</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#data_fetching" class="toc">Data fetching</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#data_updating" class="toc">Data updating</a></span></div></li></ul>
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<h2><a name="protocol_details" id="protocol_details">Protocol Details</a></h2>
<div class="level2">
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<h3><a name="data_fetching" id="data_fetching">Data fetching</a></h3>
<div class="level3">
<p>
POST
</p>
<ul>
<li class="level1"><div class="li"> none</div>
</li>
</ul>
<p>
GET
</p>
<ul>
<li class="level1"><div class="li"> connector=true - flag of connector based request</div>
</li>
<li class="level1"><div class="li"> dhx_colls=field1,field2…fieldN - optional, can contain list of fields for which collections will be requested. dhtmlxGrid use such parameters to request data for combo columns and select filters ( such requests executed only once , for initial data loading) </div>
</li>
</ul>
<pre class="code">
some.php?connector=true&dhx_colls=2,3
</pre>
<ul>
<li class="level1"><div class="li"> dhx_sort[field]=directon - instruct server side connector to sort dataset by defined field</div>
</li>
</ul>
<pre class="code">
some.php?connector=true&dhx_sort[2]=asc
</pre>
<ul>
<li class="level1"><div class="li"> dhx_filter[field]=mask - instruct server side connector to filter dataset by defined field</div>
</li>
</ul>
<pre class="code">
//filter by %test%
some.php?connector=true&dhx_filter[2]=test
</pre>
</div>
<h5><a name="dhtlmxgrid_specific" id="dhtlmxgrid_specific">dhtlmxGrid specific</a></h5>
<div class="level5">
<p>
<em>Requsting part of data</em>
</p>
<p>
GET
</p>
<ul>
<li class="level1"><div class="li"> posStart - position from which data requested</div>
</li>
<li class="level1"><div class="li"> count - count of rows requested</div>
</li>
</ul>
</div>
<h5><a name="dhtlmxcombo_specific" id="dhtlmxcombo_specific">dhtlmxCombo specific</a></h5>
<div class="level5">
<p>
<em>Requsting part of data</em>
</p>
<p>
GET
</p>
<ul>
<li class="level1"><div class="li"> pos - position from which data requested</div>
</li>
</ul>
<p>
<em>Filter by label field</em>
</p>
<p>
GET
</p>
<ul>
<li class="level1"><div class="li"> mask - filtering mask for label field</div>
</li>
</ul>
</div>
<h5><a name="dhtmlxtree_dhtlxtreegrid_specific" id="dhtmlxtree_dhtlxtreegrid_specific">dhtmlxTree|dhtlxTreeGrid specific</a></h5>
<div class="level5">
<p>
<em>Request branch of tree</em>
</p>
<p>
GET
</p>
<ul>
<li class="level1"><div class="li"> id - parent id for requested branch</div>
</li>
</ul>
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<h3><a name="data_updating" id="data_updating">Data updating</a></h3>
<div class="level3">
<p>
GET
</p>
<ul>
<li class="level1"><div class="li"> editing=true - mark of dataprocessor based call</div>
</li>
</ul>
<p>
POST
</p>
<ul>
<li class="level1"><div class="li"> ids - list of updated records</div>
</li>
<li class="level1"><div class="li"> [id]_[property] - for each field inside updated record related field in POST generated</div>
</li>
<li class="level1"><div class="li"> [id]_!nativeeditor_status - action type</div>
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<li class="level2"><div class="li"><span class="li"><a href="#initialization_of_dhtmlxconnector" class="toc">Initialization of dhtmlxConnector</a></span></div>
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<li class="level3"><div class="li"><span class="li"><a href="#client_side_code" class="toc">Client Side Code</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#server_side_code" class="toc">Server Side Code</a></span></div></li></ul>
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<h2><a name="initialization_of_dhtmlxconnector" id="initialization_of_dhtmlxconnector">Initialization of dhtmlxConnector</a></h2>
<div class="level2">
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<h3><a name="client_side_code" id="client_side_code">Client Side Code</a></h3>
<div class="level3">
<p>
No modifications on client side are required for regular data loading. In other cases you should include the connector.js file (located in dhtmlxConnector_php/codebase) into your page. To perform any update operations you have to use dhtmlxDataProcessor, which has been already included in both Professional and Standard editions of dhtmlx library.
</p>
<p>
For data loading you need to point load (or loadXML) method of dhtmlx component to connector file:
</p>
<pre class="code javascript"> myGrid <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXGridObject<span class="br0">(</span><span class="st0">"pObjId"</span><span class="br0">)</span>;
<span class="co1">//... grid configuration commands</span>
myGrid.<span class="me1">load</span><span class="br0">(</span><span class="st0">"myconnector.php"</span><span class="br0">)</span>;</pre>
<p>
To perform insert/update/delete operations you should add dhtmlxDataProcessor (for more details about dhtmlxDataProcessor see related documentation) and use connector file as parameter of constructor
</p>
<pre class="code javascript"> myDP <span class="sy0">=</span> <span class="kw2">new</span> dataProcessor<span class="br0">(</span><span class="st0">"myconnector.php"</span><span class="br0">)</span>;
myDP.<span class="me1">init</span><span class="br0">(</span>myGrid<span class="br0">)</span>;
</pre>
<p>
<a href="dhtmlxconnector___client_side_other_components.html" class="wikilink1" title="dhtmlxconnector:client_side_other_components">Samples of client side initialization for other components</a>
</p>
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<h3><a name="server_side_code" id="server_side_code">Server Side Code</a></h3>
<div class="level3">
<p>
To start operating with dhtmlxConnector you should do the following:
</p>
<ul>
<li class="level1"><div class="li"> include appropriate connector file into the page (Here and after we'll use dhtmlxGrid connector for code samples. All differences between connectors of other components will be described additionally. When using sample code with appropriate components, all files or function names which contain component name “grid” should be changed to “tree”, “treegrid” or “combo” accordingly.)</div>
</li>
</ul>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"connector/grid_connector.php"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> create Database connection </div>
</li>
</ul>
<pre class="code php"> <span class="re0">$res</span><span class="sy0">=</span><a href="http://www.php.net/mysql_connect"><span class="kw3">mysql_connect</span></a><span class="br0">(</span><span class="st0">"localhost"</span><span class="sy0">,</span><span class="st0">"root"</span><span class="sy0">,</span><span class="st0">""</span><span class="br0">)</span>;
<a href="http://www.php.net/mysql_select_db"><span class="kw3">mysql_select_db</span></a><span class="br0">(</span><span class="st0">"myDatabase"</span><span class="br0">)</span>;</pre>
<p>
After have implemented these operations you are ready to instantiate connector object. The only database connection link variable is mandatory parameter in all constructors. Optionally, you can specify database type (“MySQL” by default. Other possible: “Postgre”)
</p>
<pre class="code php"> <span class="re0">$gridConn</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;</pre>
<p>
And as a last step - <a href="dhtmlxconnector___loading_editing_data.html" class="wikilink1" title="dhtmlxconnector:loading_editing_data">configuration</a>, which fields and data will be used in connector
</p>
<pre class="code php"> <span class="re0">$gridConn</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"mytable"</span><span class="sy0">,</span><span class="st0">"item_id"</span><span class="sy0">,</span><span class="st0">"item_nm,item_cd"</span><span class="br0">)</span>;</pre>
<p>
This is all.
</p>
<p>
Above code must be enough to show data in component and sync update|delete|create operations from the component to the DB.
</p>
<p>
<a href="dhtmlxconnector___server_side_others.html" class="wikilink1" title="dhtmlxconnector:server_side_others">Server side initialization for other components and DB types</a>
</p>
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<h3><a name="select_box_columns_in_a_scheduler" id="select_box_columns_in_a_scheduler">Select box columns in a scheduler</a></h3>
<div class="level3">
<p>
When scheduler has a select-like collections , or unit|timeline view - it possible to load the list of related options from a server. In such case the data loading need to be defined on client side as
</p>
<pre class="code javascript"> some_collection<span class="sy0">=</span>scheduler.<span class="me1">serverList</span><span class="br0">(</span><span class="st0">"type"</span><span class="br0">)</span>;</pre>
<p>
On server side , list of options can be retrieved in few ways
</p>
<ul>
<li class="level1"><div class="li"> hardcoded list </div>
</li>
</ul>
<pre class="code php"> <span class="co1">// both values and labels need to be provided</span>
<span class="re0">$scheduler</span><span class="sy0">-></span><span class="me1">set_options</span><span class="br0">(</span><span class="st0">"type"</span><span class="sy0">,</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span><span class="st0">"1"</span> <span class="sy0">=></span> <span class="st0">"one"</span><span class="sy0">,</span> <span class="st0">"2"</span><span class="sy0">=></span><span class="st0">"two"</span><span class="sy0">,</span><span class="st0">"3"</span> <span class="sy0">=></span> <span class="st0">"three"</span><span class="br0">)</span><span class="br0">)</span>; <span class="co1">// value => label</span>
<span class="re0">$scheduler</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"events"</span><span class="sy0">,</span><span class="st0">"event_id"</span><span class="sy0">,</span><span class="st0">"start_date,end_date,text,type_id"</span><span class="br0">)</span>;</pre><ul>
<li class="level1"><div class="li"> list created on base of different table</div>
</li>
</ul>
<pre class="code php"> <span class="re0">$options</span> <span class="sy0">=</span> <span class="kw2">new</span> OptionsConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="co1">// there must be two fields selected, one as (value), second as (label)</span>
<span class="re0">$options</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"types"</span><span class="sy0">,</span><span class="st0">"type_id"</span><span class="sy0">,</span><span class="st0">"type_id(value),type_name(label)"</span><span class="br0">)</span>;
<span class="re0">$scheduler</span><span class="sy0">-></span><span class="me1">set_options</span><span class="br0">(</span><span class="st0">"type"</span><span class="sy0">,</span><span class="re0">$options</span><span class="br0">)</span>;
<span class="re0">$scheduler</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"events"</span><span class="sy0">,</span><span class="st0">"event_id"</span><span class="sy0">,</span><span class="st0">"start_date,end_date,text,type_id"</span><span class="br0">)</span>;</pre>
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<li class="level2"><div class="li"><span class="li"><a href="#filter_interface_object" class="toc">Filter Interface Object</a></span></div>
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<li class="level3"><div class="li"><span class="li"><a href="#clear" class="toc">clear</a></span></div></li>
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<h2><a name="filter_interface_object" id="filter_interface_object">Filter Interface Object</a></h2>
<div class="level2">
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<h3><a name="clear" id="clear">clear</a></h3>
<div class="level3">
<p>
clears all defined settings
</p>
<pre class="code php"> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">clear</span><span class="br0">(</span><span class="br0">)</span>;</pre>
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<h3><a name="index" id="index">index</a></h3>
<div class="level3">
<p>
check if options for named field exist in collection and return related hash. Returns <strong>false</strong> if named field not found in collection.
</p>
<pre class="code php"> <span class="re0">$index</span> <span class="sy0">=</span> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">index</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="br0">)</span>;</pre>
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<h3><a name="add" id="add">add</a></h3>
<div class="level3">
<p>
adds new filtering rule to collection
</p>
<pre class="code php"> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">add</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="sy0">,</span><span class="st0">"abc"</span><span class="br0">)</span>; <span class="co1">// some_field LIKE "%abc%"</span>
<span class="re0">$coll</span><span class="sy0">-></span><span class="me1">add</span><span class="br0">(</span><span class="st0">"other_field"</span><span class="sy0">,</span><span class="st0">"5"</span><span class="sy0">,</span><span class="st0">"<"</span><span class="br0">)</span>; <span class="co1">//some_field < 5</span></pre>
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<h3><a name="rules" id="rules">rules</a></h3>
<div class="level3">
<p>
array of all already defined sorting rules. Each element has two properties
</p>
<ul>
<li class="level1"><div class="li"> name - name of related field</div>
</li>
<li class="level1"><div class="li"> value - filtering value</div>
</li>
<li class="level1"><div class="li"> operation - filtering operation, if empty then default LIKE instruction will be used</div>
</li>
</ul>
<pre class="code php"> <span class="re0">$name</span> <span class="sy0">=</span> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="nu19">0</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"name"</span><span class="br0">]</span>
<span class="re0">$coll</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="nu19">0</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"value"</span><span class="br0">]</span><span class="sy0">=</span><span class="st0">"cde"</span>;</pre>
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<li class="level2"><div class="li"><span class="li"><a href="#url_manipulation" class="toc">URL manipulation</a></span></div>
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<li class="level3"><div class="li"><span class="li"><a href="#filtering" class="toc">Filtering</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#sorting" class="toc">Sorting</a></span></div></li></ul>
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<h2><a name="url_manipulation" id="url_manipulation">URL manipulation</a></h2>
<div class="level2">
<p>
You can control which data loaded in component by specifying additional parameters in <acronym title="Uniform Resource Locator">URL</acronym>. Check <a href="dhtmlxconnector___protocol_details.html" class="wikilink1" title="dhtmlxconnector:protocol_details">protocol details</a> for full url parameters description.
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<h3><a name="filtering" id="filtering">Filtering</a></h3>
<div class="level3">
<ul>
<li class="level1"><div class="li"> Filter by one field</div>
</li>
</ul>
<pre class="code javascript"> grid.<span class="me1">load</span><span class="br0">(</span><span class="st0">"some.php?connector=true&dhx_filter[1]=mask"</span><span class="br0">)</span>;</pre>
<p>
With such url - data will be taken with additional rule
</p>
<pre class="code sql"> <span class="kw1">WHERE</span> field_for_column_1 <span class="kw1">LIKE</span> %mask%</pre><ul>
<li class="level1"><div class="li"> Filter by multiple fields</div>
</li>
</ul>
<pre class="code javascript"> grid.<span class="me1">load</span><span class="br0">(</span><span class="st0">"some.php?connector=true&dhx_filter[1]=mask&dhx_filter[3]=another"</span><span class="br0">)</span>;</pre>
<p>
Similar approach can be used against other component, but you will need to provide exact field name instead of column index.
</p>
<p>
Beware that such filtering is not-secure, if you need to hide some data - be sure to define such limitation on server side, not as part of <acronym title="Uniform Resource Locator">URL</acronym>
</p>
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<h3><a name="sorting" id="sorting">Sorting</a></h3>
<div class="level3">
<pre class="code javascript"> <span class="co1">//ORDER by field_2 ASC</span>
grid.<span class="me1">load</span><span class="br0">(</span><span class="st0">"some.php?connector=true&dhx_sort[2]=asc"</span><span class="br0">)</span>;
<span class="co1">//ORDER by field_2 ASC, field_3 DESC</span>
grid.<span class="me1">load</span><span class="br0">(</span><span class="st0">"some.php?connector=true&dhx_sort[2]=asc&dhx_sort[3]=desc"</span><span class="br0">)</span>;</pre>
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<h2><a name="sorting" id="sorting">Sorting</a></h2>
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<p>
While all connectors can <a href="dhtmlxconnector___url_manipulation.html" class="wikilink1" title="dhtmlxconnector:url_manipulation">sort data by url manipulation</a>, only Grid and TreeGrid has native <acronym title="Graphical User Interface">GUI</acronym> for sorting, so below info most actual for those two components.
</p>
<p>
To make grid sort content with connectors you need to use “connector” as sorting type while grid initialization. For example:
</p>
<pre class="code php"> myGrid<span class="sy0">.</span>setColSorting<span class="br0">(</span><span class="st0">"connector,str,na);</span></pre>
<p>
Here the first column will be sorted on server with connectors, the second as string on client side, the third column will not be sortable.
</p>
<p>
If you need to customize the way of sorting you can use “beforeSort” server side event.
Event doesn't allow to write custom sorting logic , but you can affect SORT BY clause of generated <acronym title="Structured Query Language">SQL</acronym> request.
Event receives <a href="dhtmlxconnector___sortinterface_object.html" class="wikilink1" title="dhtmlxconnector:sortinterface_object">SortInterface Object</a> as parameter
</p>
<p>
<strong>Define default sorting</strong>
</p>
<pre class="code php"> <span class="kw2">function</span> custom_sort<span class="br0">(</span><span class="re0">$sorted_by</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">//SORT BY some_field ASC</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span><a href="http://www.php.net/sizeof"><span class="kw3">sizeof</span></a><span class="br0">(</span><span class="re0">$sorted_by</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">)</span><span class="br0">)</span>
<span class="re0">$sorted_by</span><span class="sy0">-></span><span class="me1">add</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="sy0">,</span><span class="st0">"ASC"</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeSort"</span><span class="sy0">,</span><span class="st0">"custom_sort"</span><span class="br0">)</span>;</pre>
<p>
<strong>Default sorting by two fields</strong>
</p>
<pre class="code php"> <span class="kw2">function</span> custom_sort<span class="br0">(</span><span class="re0">$sorted_by</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">//SORT BY some_field ASC, some_other ASC</span>
<span class="kw1">if</span> <span class="br0">(</span><span class="sy0">!</span><a href="http://www.php.net/sizeof"><span class="kw3">sizeof</span></a><span class="br0">(</span><span class="re0">$sorted_by</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">)</span><span class="br0">)</span><span class="br0">{</span>
<span class="re0">$sorted_by</span><span class="sy0">-></span><span class="me1">add</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="sy0">,</span><span class="st0">"ASC"</span><span class="br0">)</span>;
<span class="re0">$sorted_by</span><span class="sy0">-></span><span class="me1">add</span><span class="br0">(</span><span class="st0">"some_other"</span><span class="sy0">,</span><span class="st0">"ASC"</span><span class="br0">)</span>;
<span class="br0">}</span>
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeSort"</span><span class="sy0">,</span><span class="st0">"custom_sort"</span><span class="br0">)</span>;</pre>
<p>
<strong>Custom sorting rule</strong>
</p>
<pre class="code php"> <span class="kw2">function</span> custom_sort<span class="br0">(</span><span class="re0">$sorted_by</span><span class="br0">)</span><span class="br0">{</span>
<span class="co1">// SORT BY LENGTH(some_field)</span>
<span class="re0">$sorted_by</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="nu19">0</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"name"</span><span class="br0">]</span><span class="sy0">=</span><span class="st0">"LENGTH(some_field)"</span>;
<span class="br0">}</span>
<span class="re0">$conn</span><span class="sy0">-></span><span class="me1">event</span><span class="sy0">-></span><span class="me1">attach</span><span class="br0">(</span><span class="st0">"beforeSort"</span><span class="sy0">,</span><span class="st0">"custom_sort"</span><span class="br0">)</span>;</pre>
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<h2><a name="combodataitem" id="combodataitem">ComboDataItem</a></h2>
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Nest all methods of <a href="dhtmlxconnector___dataitem_object.html" class="wikilink1" title="dhtmlxconnector:dataitem_object">DataItem Object</a>
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<h4><a name="select" id="select">select</a></h4>
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Mark options as selected
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<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">select</span><span class="br0">(</span><span class="br0">)</span>;</pre>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___combodataitem.html | HTML | art | 7,726 |
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<h3><a name="group_connector_for_tree_and_treegrid" id="group_connector_for_tree_and_treegrid">Group connector for tree and TreeGrid</a></h3>
<div class="level3">
<p>
Default connector for Tree and TreeGrid expects that data in DB is stored with child-parent key relation. But in some cases tree or treegrid need to be shown from plain data , by grouping it. Such task can be done with help of the TreeGroupConnector or TreeGridGroupConnector
</p>
<p>
Loads data from table products , grouping by category. As result top level - will be categories, second level - products, related to the category.
</p>
<pre class="code php"> <span class="kw1">require</span><span class="br0">(</span><span class="st0">"./codebase/connector/tree_group_connector.php"</span><span class="br0">)</span>;
<span class="re0">$tree</span> <span class="sy0">=</span> <span class="kw2">new</span> TreeGroupConnector<span class="br0">(</span><span class="re0">$res</span><span class="br0">)</span>;
<span class="re0">$tree</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"products2"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"product_name"</span><span class="sy0">,</span> <span class="st0">""</span><span class="sy0">,</span> <span class="st0">"category"</span><span class="br0">)</span>;</pre>
<p>
<img src="dhtmlxconnector___tree_group.png" class="media" alt="" />
</p>
<p>
similar can be done to treegrid as
</p>
<pre class="code php"> <span class="kw1">require_once</span><span class="br0">(</span><span class="st_h">'../../codebase/treegridgroup_connector.php'</span><span class="br0">)</span>;
<span class="re0">$treegrid</span> <span class="sy0">=</span> <span class="kw2">new</span> TreeGridGroupConnector<span class="br0">(</span><span class="re0">$res</span><span class="sy0">,</span><span class="st0">"MySQL"</span><span class="br0">)</span>;
<span class="re0">$treegrid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"products2"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"product_name,scales,colour"</span><span class="sy0">,</span> <span class="st0">""</span><span class="sy0">,</span> <span class="st0">"category"</span><span class="br0">)</span>;</pre>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___group_connector.html | HTML | art | 10,034 |
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<!-- TOC START -->
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<ul class="toc">
<li class="clear">
<ul class="toc">
<li class="clear">
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#treegrid" class="toc">TreeGrid</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#tree" class="toc">Tree</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#combo" class="toc">Combo</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#scheduler" class="toc">Scheduler</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#form" class="toc">Form</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#dataview" class="toc">DataView</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#chart" class="toc">Chart</a></span></div></li></ul>
</li></ul>
</li></ul>
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<!-- TOC END -->
<p>
Other components can be initialized in the way similar to the <a href="dhtmlxconnector___initialization_of_dhtmlxconnector.html" class="wikilink1" title="dhtmlxconnector:initialization_of_dhtmlxconnector">grid's one</a>
</p>
<h3><a name="treegrid" id="treegrid">TreeGrid</a></h3>
<div class="level3">
<p>
For TreeGrid in static mode
</p>
<pre class="code javascript">mygrid <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXGridObject<span class="br0">(</span><span class="st0">'gridbox'</span><span class="br0">)</span>;
mygrid.<span class="me1">setColTypes</span><span class="br0">(</span><span class="st0">"tree,..."</span><span class="br0">)</span>;
<span class="co1">//...</span>
mygrid.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
<p>
For TreeGrid in dynamic mode
</p>
<pre class="code javascript">mygrid <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXGridObject<span class="br0">(</span><span class="st0">'gridbox'</span><span class="br0">)</span>;
mygrid.<span class="me1">setColTypes</span><span class="br0">(</span><span class="st0">"tree,..."</span><span class="br0">)</span>;
<span class="co1">//...</span>
mygrid.<span class="me1">kidsXmlFile</span><span class="sy0">=</span><span class="st0">"connector.php"</span>;
mygrid.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
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<h3><a name="tree" id="tree">Tree</a></h3>
<div class="level3">
<p>
For Tree in static mode
</p>
<pre class="code javascript">tree<span class="sy0">=</span><span class="kw2">new</span> dhtmlXTreeObject<span class="br0">(</span><span class="st0">"treeboxbox_tree"</span><span class="sy0">,</span><span class="st0">"100%"</span><span class="sy0">,</span><span class="st0">"100%"</span><span class="sy0">,</span>0<span class="br0">)</span>;
<span class="co1">//...</span>
tree.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
<p>
For Tree in dynamic mode
</p>
<pre class="code javascript">tree<span class="sy0">=</span><span class="kw2">new</span> dhtmlXTreeObject<span class="br0">(</span><span class="st0">"treeboxbox_tree"</span><span class="sy0">,</span><span class="st0">"100%"</span><span class="sy0">,</span><span class="st0">"100%"</span><span class="sy0">,</span>0<span class="br0">)</span>;
<span class="co1">//...</span>
tree.<span class="me1">setXMLAutoLoading</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;
tree.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="522-878" /><input type="hidden" name="rev" value="1279031279" /><input type="hidden" name="id" value="dhtmlxconnector:client_side_other_components" /><input type="submit" value="Edit" class="button" title="Tree" /></div></form></div>
<h3><a name="combo" id="combo">Combo</a></h3>
<div class="level3">
<p>
For combo in static mode
</p>
<pre class="code javascript"><span class="kw2">var</span> z<span class="sy0">=</span><span class="kw2">new</span> dhtmlXCombo<span class="br0">(</span><span class="st0">"combo_zone2"</span><span class="sy0">,</span><span class="st0">"alfa2"</span><span class="sy0">,</span><span class="nu0">200</span><span class="br0">)</span>;
z.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
<p>
For combo in auto-complete mode
</p>
<pre class="code javascript"><span class="kw2">var</span> z<span class="sy0">=</span><span class="kw2">new</span> dhtmlXCombo<span class="br0">(</span><span class="st0">"combo_zone2"</span><span class="sy0">,</span><span class="st0">"alfa2"</span><span class="sy0">,</span><span class="nu0">200</span><span class="br0">)</span>;
z.<span class="me1">enableFilteringMode</span><span class="br0">(</span><span class="kw2">true</span><span class="sy0">,</span><span class="st0">"connector.php"</span><span class="sy0">,</span><span class="kw2">true</span><span class="br0">)</span>;
z.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="879-1211" /><input type="hidden" name="rev" value="1279031279" /><input type="hidden" name="id" value="dhtmlxconnector:client_side_other_components" /><input type="submit" value="Edit" class="button" title="Combo" /></div></form></div>
<h3><a name="scheduler" id="scheduler">Scheduler</a></h3>
<div class="level3">
<pre class="code javascript">scheduler.<span class="me1">init</span><span class="br0">(</span>some_obj<span class="br0">)</span>
scheduler.<span class="me1">load</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="1212-1316" /><input type="hidden" name="rev" value="1279031279" /><input type="hidden" name="id" value="dhtmlxconnector:client_side_other_components" /><input type="submit" value="Edit" class="button" title="Scheduler" /></div></form></div>
<h3><a name="form" id="form">Form</a></h3>
<div class="level3">
<pre class="code javascript"><span class="kw2">var</span> z <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXForm<span class="br0">(</span>someId<span class="br0">)</span>;
z.<span class="me1">load</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="1317-1415" /><input type="hidden" name="rev" value="1279031279" /><input type="hidden" name="id" value="dhtmlxconnector:client_side_other_components" /><input type="submit" value="Edit" class="button" title="Form" /></div></form></div>
<h3><a name="dataview" id="dataview">DataView</a></h3>
<div class="level3">
<pre class="code javascript"><span class="kw2">var</span> z <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXDataView<span class="br0">(</span><span class="br0">{</span>...<span class="br0">}</span><span class="br0">)</span>;
z.<span class="me1">load</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="1416-1521" /><input type="hidden" name="rev" value="1279031279" /><input type="hidden" name="id" value="dhtmlxconnector:client_side_other_components" /><input type="submit" value="Edit" class="button" title="DataView" /></div></form></div>
<h3><a name="chart" id="chart">Chart</a></h3>
<div class="level3">
<pre class="code javascript"><span class="kw2">var</span> z <span class="sy0">=</span> <span class="kw2">new</span> dhtmlXChart<span class="br0">(</span><span class="br0">{</span>...<span class="br0">}</span><span class="br0">)</span>;
z.<span class="me1">load</span><span class="br0">(</span><span class="st0">"connector.php"</span><span class="br0">)</span>;</pre>
<p>
If you want to use dataprocessor with Tree or TreeGrid, you will need to include <em>connector.js</em> same as <a href="dhtmlxconnector___initialization_of_dhtmlxconnector.html" class="wikilink1" title="dhtmlxconnector:initialization_of_dhtmlxconnector">for grid</a>
</p>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___client_side_other_components.html | HTML | art | 17,186 |
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dhtmlxconnector:treedataitem [DHX documentation]
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<div class='backlinks'><div class='backlink last_backlink'><img src="icons___file.gif" class="media" alt="" /><a href="../index.html" class="wikilink1" title="start">Index</a></div><div class='arrow'></div><div class='backlink last_backlink'><img src="icons___connector.gif" class="media" alt="" /><a href="index.html" class="wikilink1" title="dhtmlxconnector:toc">dhtmlxconnector</a></div></div>
</p>
<h2><a name="treedataitem" id="treedataitem">TreeDataItem</a></h2>
<div class="level2">
<p>
Nest all methods of <a href="dhtmlxconnector___dataitem_object.html" class="wikilink1" title="dhtmlxconnector:dataitem_object">DataItem Object</a>
</p>
</div>
<h4><a name="get_parent_id" id="get_parent_id">get_parent_id</a></h4>
<div class="level4">
<p>
method returns parent id of the selected item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">get_parent_id</span><span class="br0">(</span><span class="br0">)</span>;</pre>
</div>
<h4><a name="set_image" id="set_image">set_image</a></h4>
<div class="level4">
<p>
method allows to set image for any item in tree:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_image</span><span class="br0">(</span><span class="re0">$img</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $img - image which will be set for selected item</div>
</li>
</ul>
<p>
Can be use with variable number of parameters
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_image</span><span class="br0">(</span><span class="re0">$img1</span><span class="sy0">,</span><span class="re0">$img2</span><span class="sy0">,</span><span class="re0">$img3</span><span class="br0">)</span></pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $img1 - image of folder in opened state</div>
</li>
<li class="level1"><div class="li"> $img2 - image of folder in closed state</div>
</li>
<li class="level1"><div class="li"> $img3 - image of leaf item</div>
</li>
</ul>
</div>
<h4><a name="get_check_state" id="get_check_state">get_check_state</a></h4>
<div class="level4">
<p>
method returns the state of selected item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">get_check_state</span><span class="br0">(</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $value -returns state of checkbox related to the item:</div>
</li>
</ul>
</div>
<h4><a name="set_check_state" id="set_check_state">set_check_state</a></h4>
<div class="level4">
<p>
method allows to set state of checkbox related to the item:
</p>
<pre class="code php"> <span class="re0">$dataItem</span><span class="sy0">-></span><span class="me1">set_check_state</span><span class="br0">(</span><span class="re0">$value</span><span class="br0">)</span>;</pre>
<p>
Parameters:
</p>
<ul>
<li class="level1"><div class="li"> $value - state of the item, valid valus are “0” - unchecked, “1” - checked, ”-1” - third state</div>
</li>
</ul>
</div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___treedataitem.html | HTML | art | 10,015 |
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<h3><a name="dhtmlxconnector_usage_guide" id="dhtmlxconnector_usage_guide">dhtmlxConnector Usage Guide</a></h3>
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<h3><a name="loading_data_from_excel_file" id="loading_data_from_excel_file">Loading data from Excel file</a></h3>
<div class="level3">
<p>
Connector 1.0+ allows to use MsExcel file as datasource, you can load data from excel file in any component ( grid, chart, dataview, combo , scheduler )
</p>
<p>
To start using this feature you need to download libExcel - which is standalone project and not included in the connector's package
You can grab it from here <a href="http://support.dhtmlx.com/x-files/connector/phpExcel.zip" class="urlextern" title="http://support.dhtmlx.com/x-files/connector/phpExcel.zip" rel="nofollow">http://support.dhtmlx.com/x-files/connector/phpExcel.zip</a> or from author's site <a href="http://www.codeplex.com/PHPExcel" class="urlextern" title="http://www.codeplex.com/PHPExcel" rel="nofollow">http://www.codeplex.com/PHPExcel</a> - unzip lib to the connector's folder.
</p>
<p>
Connector file will look as
</p>
<pre class="code php"><span class="co1">//files from ligExcel package</span>
<span class="kw1">require_once</span><span class="br0">(</span><span class="st_h">'lib/PHPExcel.php'</span><span class="br0">)</span>;
<span class="kw1">require_once</span><span class="br0">(</span><span class="st_h">'lib/PHPExcel/IOFactory.php'</span><span class="br0">)</span>;
<span class="co1">//connectors</span>
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/db_excel.php"</span><span class="br0">)</span>;
<span class="kw1">require</span><span class="br0">(</span><span class="st0">"../../codebase/grid_connector.php"</span><span class="br0">)</span>;
<span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="st0">"../some.xls"</span><span class="sy0">,</span> <span class="st0">"ExcelDBDataWrapper"</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"A18:F83"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"A,B,C,D,E,F"</span><span class="br0">)</span>;</pre>
<p>
Constructor
</p>
<ul>
<li class="level1"><div class="li"> first parameter - name of excel file, absolute path or path related to the php file</div>
</li>
</ul>
<p>
render_table
</p>
<ul>
<li class="level1"><div class="li"> first parameter can be </div>
<ul>
<li class="level2"><div class="li"> range of cells in the spreadsheet, for example A18:F83</div>
</li>
<li class="level2"><div class="li"> number of the top row, from which output need to be started, for example A4</div>
</li>
<li class="level2"><div class="li"> “*” , which means include all not empty rows</div>
</li>
</ul>
</li>
<li class="level1"><div class="li"> second parameter is the field , which will be used as id, you can use “id” for auto id generation</div>
</li>
<li class="level1"><div class="li"> third parameter list of columns, which will be used as columns in the grid</div>
</li>
</ul>
<pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"A18:F83"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"A,B,C,D,E,F"</span><span class="br0">)</span>;</pre><pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"A1"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"A,B,C,D,E,F"</span><span class="br0">)</span>;</pre><pre class="code php"><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"*"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"A,B,C,D,E,F"</span><span class="br0">)</span>;</pre>
<p>
If you want to load both data and header from excel file, it can be done by using GridConfiguration
</p>
<pre class="code php"> <span class="re0">$grid</span> <span class="sy0">=</span> <span class="kw2">new</span> GridConnector<span class="br0">(</span><span class="re0">$excel_file</span><span class="sy0">,</span> <span class="st0">"Excel"</span><span class="br0">)</span>;
<span class="re0">$config</span><span class="sy0">=</span><span class="kw2">new</span> GridConfiguration<span class="br0">(</span><span class="br0">)</span>;
<span class="co1">//array of cells, with labels for grid's header</span>
<span class="re0">$config</span><span class="sy0">-></span><span class="me1">setHeader</span><span class="br0">(</span><span class="re0">$grid</span><span class="sy0">-></span><span class="me1">sql</span><span class="sy0">-></span><span class="me1">excel_data</span><span class="br0">(</span><a href="http://www.php.net/array"><span class="kw3">array</span></a><span class="br0">(</span><span class="st0">"A3"</span><span class="sy0">,</span><span class="st0">"B3"</span><span class="sy0">,</span><span class="st0">"F13"</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">set_config</span><span class="br0">(</span><span class="re0">$config</span><span class="br0">)</span>;
<span class="re0">$grid</span><span class="sy0">-></span><span class="me1">render_table</span><span class="br0">(</span><span class="st0">"A18"</span><span class="sy0">,</span> <span class="st0">"id"</span><span class="sy0">,</span> <span class="st0">"A,B,F"</span><span class="br0">)</span>;</pre>
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<h2><a name="beforeinsert" id="beforeinsert">beforeInsert</a></h2>
<div class="level2">
<p>
This event occurs before inserting values in database and can cancel default insert statement. It can be used also to validate incoming values. For more details see <a href="dhtmlxconnector___event_beforeupdate.html" class="wikilink1" title="dhtmlxconnector:event_beforeupdate">beforeUpdate</a> event description.
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___event_beforeinsert.html | HTML | art | 7,663 |
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</p>
<h2><a name="afterupdate" id="afterupdate">afterUpdate</a></h2>
<div class="level2">
<p>
The same as <a href="dhtmlxconnector___event_afterprocessing.html" class="wikilink1" title="dhtmlxconnector:event_afterprocessing">afterProcessing</a> , but occurs only for update operations
</p>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___event_afterupdate.html | HTML | art | 7,520 |
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<h3><a name="new_in_version_1.0" id="new_in_version_1.0">New in version 1.0</a></h3>
<div class="level3">
<p>
Version 1.0 adds the next new possibilities:
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<ul>
<li class="level1"><div class="li"> Server side grid configuration</div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___new_in_version_1.0.html | HTML | art | 7,852 |
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___event_afterinsert.html | HTML | art | 7,522 |
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<li class="level2"><div class="li"><span class="li"><a href="#sort_interface_object" class="toc">Sort Interface Object</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#clear" class="toc">clear</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#index" class="toc">index</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#add" class="toc">add</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#rules" class="toc">rules</a></span></div></li></ul>
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<h2><a name="sort_interface_object" id="sort_interface_object">Sort Interface Object</a></h2>
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<h3><a name="clear" id="clear">clear</a></h3>
<div class="level3">
<p>
clears all defined settings
</p>
<pre class="code php"> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">clear</span><span class="br0">(</span><span class="br0">)</span>;</pre>
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<h3><a name="index" id="index">index</a></h3>
<div class="level3">
<p>
check if options for named field exist in collection and return related hash. Returns <strong>false</strong> if named field not found in collection.
</p>
<pre class="code php"> <span class="re0">$index</span> <span class="sy0">=</span> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">index</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="br0">)</span>;</pre>
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<h3><a name="add" id="add">add</a></h3>
<div class="level3">
<p>
adds new sorting rule to collection
</p>
<pre class="code php"> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">add</span><span class="br0">(</span><span class="st0">"some_field"</span><span class="sy0">,</span><span class="st0">"ASC"</span><span class="br0">)</span>;</pre>
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<h3><a name="rules" id="rules">rules</a></h3>
<div class="level3">
<p>
array of all already defined sorting rules. Each element has two properties
</p>
<ul>
<li class="level1"><div class="li"> name - name of related field</div>
</li>
<li class="level1"><div class="li"> direction - direction of sorting</div>
</li>
</ul>
<pre class="code php"> <span class="re0">$name</span> <span class="sy0">=</span> <span class="re0">$coll</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="nu19">0</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"name"</span><span class="br0">]</span>
<span class="re0">$coll</span><span class="sy0">-></span><span class="me1">rules</span><span class="br0">[</span><span class="nu19">0</span><span class="br0">]</span><span class="br0">[</span><span class="st0">"direction"</span><span class="br0">]</span><span class="sy0">=</span><span class="st0">"DESC"</span>;</pre>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxconnector/dhtmlxconnector___sortinterface_object.html | HTML | art | 12,224 |
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<h3><a name="defineitemform_formid" id="defineitemform_formid">defineItemForm(formId)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_if.js</em>
</p>
<p>
assign custom form to tree
</p>
<ul>
<li class="level1"><div class="li"> formId - id of form node</div>
</li>
</ul>
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<li class="clear">
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<li class="level2"><div class="li"><span class="li"><a href="#simultaneous_server_update" class="toc">Simultaneous Server Update</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#dataprocessor_module" class="toc">dataProcessor Module</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#enabling_dataprocessor_module" class="toc">Enabling dataProcessor Module</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#server-side_dataprocessor_handling" class="toc">Server-Side dataProcessor Handling</a></span></div></li></ul>
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<h2><a name="simultaneous_server_update" id="simultaneous_server_update">Simultaneous Server Update</a></h2>
<div class="level2">
</div>
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<h3><a name="dataprocessor_module" id="dataprocessor_module">dataProcessor Module</a></h3>
<div class="level3">
<p>
Common tree manipulations, like drag-n-drop (including d-n-d between trees), removing item, inserting item, or updating item's label, can be simultaneously reflected in server database now (since v.1.3) using dataProcessor module.
</p>
<p>
Main features of this module are:
</p>
<ul>
<li class="level1"><div class="li"> An updated/inserted item is marked with bold text, a deleted one - with line-through;</div>
</li>
<li class="level1"><div class="li"> You can define the mode for data processing (automatic|manual).</div>
</li>
</ul>
<p>
Updated|deleted items' data is sent to the server to the specified <acronym title="Uniform Resource Locator">URL</acronym> (we call it serverProcessor). serverProcessor should return simple <acronym title="Extensible Markup Language">XML</acronym> of the specified format to let the tree know about successful or not successful processing. All necessary after-save procedures will be done automatically.
</p>
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<h3><a name="enabling_dataprocessor_module" id="enabling_dataprocessor_module">Enabling dataProcessor Module</a></h3>
<div class="level3">
<p>
To enable this feature, the user should do the following:
</p>
<ul>
<li class="level1"><div class="li"> Include dhtmlxdataprocessor.js file to the page;</div>
</li>
<li class="level1"><div class="li"> Create dataProcessor object for the tree;</div>
</li>
<li class="level1"><div class="li"> Initialize dataProcessor.</div>
</li>
</ul>
<pre class="code javascript"> <span class="sy0"><</span>script src<span class="sy0">=</span><span class="st0">"../codebase/dhtmlxdataprocessor.js"</span><span class="sy0">></</span>script<span class="sy0">></span>
<span class="sy0"><</span>script<span class="sy0">></span>
...
<span class="me1">tree</span>.<span class="me1">init</span><span class="br0">(</span><span class="br0">)</span>;
myDataProcessor <span class="sy0">=</span> <span class="kw2">new</span> dataProcessor<span class="br0">(</span>serverProcessorURL<span class="br0">)</span>;
myDataProcessor.<span class="me1">init</span><span class="br0">(</span>treeObj<span class="br0">)</span>; <span class="co1">// tree object to assign dataProcessor to, mandatory</span>
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The mandatory parameter for dataProcessor is:
</p>
<ul>
<li class="level1"><div class="li"> serverProcessorURL - <acronym title="Uniform Resource Locator">URL</acronym> of the file that will process incoming data. If our server-side routines is used, “dhtmlxDataProcessor/server_code/<acronym title="Hypertext Preprocessor">PHP</acronym>/update.php?ctrl=tree” should be indicated.</div>
</li>
</ul>
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<h3><a name="server-side_dataprocessor_handling" id="server-side_dataprocessor_handling">Server-Side dataProcessor Handling</a></h3>
<div class="level3">
<p>
Using server-side dataProcessor, the user should bare in mind the following:
</p>
<ul>
<li class="level1"><div class="li"> All data comes in GET scope:</div>
<ul>
<li class="level2"><div class="li"> tr_id - node id;</div>
</li>
<li class="level2"><div class="li"> tr_order - node sequense on the level;</div>
</li>
<li class="level2"><div class="li"> tr_pid - parent id;</div>
</li>
<li class="level2"><div class="li"> tr_text - node text(label);</div>
</li>
<li class="level2"><div class="li"> Userdata blocks - are passed with their names.</div>
</li>
<li class="level2"><div class="li"> !nativeeditor_status - values can be as follows:</div>
<ul>
<li class="level3"><div class="li"> “inserted” - item is inserted;</div>
</li>
<li class="level3"><div class="li"> “deleted” - item is deleted;</div>
</li>
<li class="level3"><div class="li"> “updated” or item doesn't exist - item is updated.</div>
</li>
</ul>
</li>
</ul>
</li>
<li class="level1"><div class="li"> serverProcessor should return valid <acronym title="Extensible Markup Language">XML</acronym> of the following format:</div>
</li>
</ul>
<pre class="code javascript"> <span class="sy0"><</span>data<span class="sy0">></span>
<span class="sy0"><</span>action type<span class="sy0">=</span><span class="st0">'insert/delete/update'</span> sid<span class="sy0">=</span><span class="st0">'incomming_node_ID'</span> tid<span class="sy0">=</span><span class="st0">'outgoing_node_ID'</span><span class="sy0">/></span>
<span class="sy0"></</span>data<span class="sy0">></span>
</pre>
<p>
In the above mentioned snippet, incomming_node_ID and outgoing_node_ID may be different for insert action only, but they are equal for other actions.
</p>
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</p>
<h3><a name="smartrefreshitem_itemid_source" id="smartrefreshitem_itemid_source">smartRefreshItem(itemId,source)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
refresh specified tree item (get <acronym title="Extensible Markup Language">XML</acronym> from server, add new nodes, remove not used nodes)
</p>
<ul>
<li class="level1"><div class="li"> itemId - top node in branch</div>
</li>
<li class="level1"><div class="li"> source - server side script , optional</div>
</li>
</ul>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="79-" /><input type="hidden" name="rev" value="1279031295" /><input type="hidden" name="id" value="dhtmlxtree:api_method_dhtmlxtreeobject_smartrefreshitem" /><input type="submit" value="Edit" class="button" title="smartRefreshItem(itemId,source)" /></div></form></div>
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<div class="stylefoot">
<div class="meta">
<div class="user">
</div>
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dhtmlxtree/api_method_dhtmlxtreeobject_smartrefreshitem.txt · Last modified: 2010/07/13 17:28 (external edit) </div>
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</body>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_smartrefreshitem.html | HTML | art | 8,495 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
lang="en" dir="ltr">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><link rel="stylesheet" href="../codebase/default.css" type="text/css" media="screen" title="no title" charset="utf-8"><title>
dhtmlxtree:api_method_dhtmlxtreeobject_hideitemform [DHX documentation]
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<body>
<div class="dokuwiki">
<div class="stylehead">
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<a class="logo" href="http://dhtmlx.com" title="DHTMLX Home Page"></a>
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</p>
<h3><a name="hideitemform_itemid_state" id="hideitemform_itemid_state">hideItemForm(itemID,state)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_if.js</em>
</p>
<p>
hide item's form
</p>
<ul>
<li class="level1"><div class="li"> itemID - item id</div>
</li>
</ul>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="79-" /><input type="hidden" name="rev" value="1279031294" /><input type="hidden" name="id" value="dhtmlxtree:api_method_dhtmlxtreeobject_hideitemform" /><input type="submit" value="Edit" class="button" title="hideItemForm(itemID,state)" /></div></form></div>
<!-- wikipage stop -->
</div>
<div class="clearer"> </div>
<div class="stylefoot">
<div class="meta">
<div class="user">
</div>
<!-- <div class="doc">
dhtmlxtree/api_method_dhtmlxtreeobject_hideitemform.txt · Last modified: 2010/07/13 17:28 (external edit) </div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_hideitemform.html | HTML | art | 8,200 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
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<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><link rel="stylesheet" href="../codebase/default.css" type="text/css" media="screen" title="no title" charset="utf-8"><title>
dhtmlxtree:api_method_dhtmlxtreeobject_registerxmlentity [DHX documentation]
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<div class="dokuwiki">
<div class="stylehead">
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</p>
<h3><a name="registerxmlentity_rchar_rentity" id="registerxmlentity_rchar_rentity">registerXMLEntity(rChar,rEntity)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_xw.js</em>
</p>
<p>
register <acronym title="Extensible Markup Language">XML</acronym> entity for replacement while initialization (default are: ampersand, lessthen and greaterthen symbols)
</p>
<ul>
<li class="level1"><div class="li"> rChar - source char</div>
</li>
<li class="level1"><div class="li"> rEntity - target entity</div>
</li>
</ul>
<p>
This method should be used with the setSerializationLevel method to enable replacement (true as the 3rd parameter).
</p>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="79-" /><input type="hidden" name="rev" value="1279031295" /><input type="hidden" name="id" value="dhtmlxtree:api_method_dhtmlxtreeobject_registerxmlentity" /><input type="submit" value="Edit" class="button" title="registerXMLEntity(rChar,rEntity)" /></div></form></div>
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<!---->
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<div class="footerinc">
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<div class="no"><img src="/dhtmlx/docs/lib/exe/indexer.php?id=dhtmlxtree%3Aapi_method_dhtmlxtreeobject_registerxmlentity&1279804926" width="1" height="1" alt="" /></div>
<div class="footer">
<div class="footer-logo"></div>
<div class="copyright">Copyright © 1998-2009 DHTMLX LTD.<br />All rights reserved.</div>
<form class="button btn_edit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="rev" value="" /><input type="hidden" name="id" value="dhtmlxtree:api_method_dhtmlxtreeobject_registerxmlentity" /><input type="submit" value="Edit this page" class="button" accesskey="e" title="Edit this page [E]" /></div></form> </div>
</body>
</html>
| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_registerxmlentity.html | HTML | art | 8,648 |
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dhtmlxtree:api_method_dhtmlxtreeobject_enablekeyboardnavigation [DHX documentation]
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<h3><a name="enablekeyboardnavigation_mode" id="enablekeyboardnavigation_mode">enableKeyboardNavigation(mode)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_kn.js</em>
</p>
<p>
enable keyboard navigation in tree
</p>
<ul>
<li class="level1"><div class="li"> mode - true/false</div>
</li>
</ul>
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dhtmlxtree/api_method_dhtmlxtreeobject_enablekeyboardnavigation.txt · Last modified: 2010/07/13 17:28 (external edit) </div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_enablekeyboardnavigation.html | HTML | art | 8,409 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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dhtmlxtree:api_method_dhtmlxtreeobject_enablemercydrag [DHX documentation]
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<h3><a name="enablemercydrag_mode" id="enablemercydrag_mode">enableMercyDrag(mode)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
enable drag without removing (copy instead of move)
</p>
<ul>
<li class="level1"><div class="li"> mode - 1 - on, 0 - off;</div>
</li>
</ul>
</div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_enablemercydrag.html | HTML | art | 8,258 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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dhtmlxtree:api_method_dhtmlxtreeobject_getitemcolor [DHX documentation]
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<h3><a name="getitemcolor_itemid" id="getitemcolor_itemid">getItemColor(itemId)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
get node color (text color)
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of node</div>
</li>
</ul>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="79-" /><input type="hidden" name="rev" value="1279031294" /><input type="hidden" name="id" value="dhtmlxtree:api_method_dhtmlxtreeobject_getitemcolor" /><input type="submit" value="Edit" class="button" title="getItemColor(itemId)" /></div></form></div>
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<h3><a name="docut" id="docut">doCut()</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
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<p>
mark selected item as cut
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dhtmlxtree:event_ondragin [DHX documentation]
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<h2><a name="ondragin_event" id="ondragin_event">onDragIn Event</a></h2>
<div class="level2">
<p>
This event calls user-defined handlers (if there are any) and passes the following parameters:
</p>
<ul>
<li class="level1"><div class="li"> dId - id of the dragged item;</div>
</li>
<li class="level1"><div class="li"> lId - id of the potential drop landing;</div>
</li>
<li class="level1"><div class="li"> sObject - source object;</div>
</li>
<li class="level1"><div class="li"> tObject - target object.</div>
</li>
</ul>
<pre class="code javascript"> tree.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onDragIn"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>dId<span class="sy0">,</span>lId<span class="sy0">,</span>id<span class="sy0">,</span>sObject<span class="sy0">,</span>tObject<span class="br0">)</span><span class="br0">{</span><span class="br0">}</span><span class="br0">)</span>;
</pre>
<p>
This event returns:
</p>
<p>
true - allows drop; <br/>
false - denies drop.
</p>
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<h3><a name="updateitem_itemid_name_im0_im1_im2_achecked" id="updateitem_itemid_name_im0_im1_im2_achecked">updateItem(itemId,name,im0,im1,im2,achecked)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
update item properties
</p>
<ul>
<li class="level1"><div class="li"> itemId - list of node identificators</div>
</li>
<li class="level1"><div class="li"> name - list of node identificators, optional</div>
</li>
<li class="level1"><div class="li"> im0 - list of node identificators, optional</div>
</li>
<li class="level1"><div class="li"> im1 - list of node identificators, optional</div>
</li>
<li class="level1"><div class="li"> im2 - list of node identificators, optional</div>
</li>
<li class="level1"><div class="li"> achecked - list of node identificators, optional</div>
</li>
</ul>
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dhtmlxtree:api_method_dhtmlxtreeobject_finditem [DHX documentation]
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<h3><a name="finditem_searchstr_direction_top" id="finditem_searchstr_direction_top">findItem(searchStr,direction,top)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
find tree item by text, select and focus it
</p>
<ul>
<li class="level1"><div class="li"> searchStr - search text</div>
</li>
<li class="level1"><div class="li"> direction - 0: top → bottom; 1: bottom → top</div>
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<li class="level1"><div class="li"> top - 1: start searching from top</div>
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dhtmlxtree:api_method_dhtmlxtreeobject_getallitemswithkids [DHX documentation]
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<h3><a name="getallitemswithkids" id="getallitemswithkids">getAllItemsWithKids()</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
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<p>
Returns the list of all items which have child nodes, separated by default delimiter.
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dhtmlxtree:api_method_dhtmlxtreeobject_enablesmartrendering [DHX documentation]
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<h3><a name="enablesmartrendering" id="enablesmartrendering">enableSmartRendering()</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_srnd.js</em>
</p>
<p>
enables smart rendering mode (usefull for big trees with lots f items on each level)
</p>
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<h3><a name="enabledraganddrop_mode_rmode" id="enabledraganddrop_mode_rmode">enableDragAndDrop(mode,rmode)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
enable/disable drag-and-drop
</p>
<ul>
<li class="level1"><div class="li"> mode - enabled/disabled [ can be true/false/temporary_disabled - last value mean that tree can be D-n-D can be switched to true later ]</div>
</li>
<li class="level1"><div class="li"> rmode - enabled/disabled drag and drop on super root</div>
</li>
</ul>
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dhtmlxtree:api_method_dhtmlxtreeobject_getparentid [DHX documentation]
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<h3><a name="getparentid_itemid" id="getparentid_itemid">getParentId(itemId)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
return parent item id
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of node</div>
</li>
</ul>
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dhtmlxtree:event_onmousein [DHX documentation]
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<h2><a name="onmousein_event" id="onmousein_event">onMouseIn Event</a></h2>
<div class="level2">
<p>
This event calls user-defined handlers (if there are any) and passes the following parameter:
</p>
<ul>
<li class="level1"><div class="li"> id - id of the node.</div>
</li>
</ul>
<pre class="code javascript"> tree.<span class="me1">attachEvent</span><span class="br0">(</span><span class="st0">"onMouseIn"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>id<span class="br0">)</span><span class="br0">{</span><span class="br0">}</span><span class="br0">)</span>;
</pre>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___event_onmousein.html | HTML | art | 7,787 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><link rel="stylesheet" href="../codebase/default.css" type="text/css" media="screen" title="no title" charset="utf-8"><title>
dhtmlxtree:api_method_dhtmlxtreeobject_getselecteditemtext [DHX documentation]
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<h3><a name="getselecteditemtext" id="getselecteditemtext">getSelectedItemText()</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
retun selected node text
</p>
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dhtmlxtree/api_method_dhtmlxtreeobject_getselecteditemtext.txt · Last modified: 2010/07/13 17:28 (external edit) </div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_getselecteditemtext.html | HTML | art | 8,181 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
lang="en" dir="ltr">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><link rel="stylesheet" href="../codebase/default.css" type="text/css" media="screen" title="no title" charset="utf-8"><title>
dhtmlxtree:api_method_dhtmlxtreeobject_getselecteditemid [DHX documentation]
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<h3><a name="getselecteditemid" id="getselecteditemid">getSelectedItemId()</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
retun selected item id
</p>
</div>
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dhtmlxtree/api_method_dhtmlxtreeobject_getselecteditemid.txt · Last modified: 2010/07/13 17:28 (external edit) </div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_getselecteditemid.html | HTML | art | 8,141 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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dhtmlxtree:api_method_dhtmlxtreeobject_enableautosavingselected [DHX documentation]
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<h3><a name="enableautosavingselected_mode_cookiename" id="enableautosavingselected_mode_cookiename">enableAutoSavingSelected(mode,cookieName)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_xw.js</em>
</p>
<p>
enable/disable autosaving selected node in cookie
</p>
<ul>
<li class="level1"><div class="li"> mode - true/false</div>
</li>
</ul>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="79-" /><input type="hidden" name="rev" value="1279031293" /><input type="hidden" name="id" value="dhtmlxtree:api_method_dhtmlxtreeobject_enableautosavingselected" /><input type="submit" value="Edit" class="button" title="enableAutoSavingSelected(mode,cookieName)" /></div></form></div>
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<div class="copyright">Copyright © 1998-2009 DHTMLX LTD.<br />All rights reserved.</div>
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</body>
</html>
| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_enableautosavingselected.html | HTML | art | 8,468 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
lang="en" dir="ltr">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><link rel="stylesheet" href="../codebase/default.css" type="text/css" media="screen" title="no title" charset="utf-8"><title>
dhtmlxtree:toc [DHX documentation]
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<body>
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<a class="logo" href="http://dhtmlx.com" title="DHTMLX Home Page"></a>
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<a title="DHTMLX Samples homepage" href="../samples.html" class="sample"/></a>
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<div class="page">
<!-- wikipage start -->
<!-- TOC START -->
<div class="toc">
<div class="tocheader toctoggle" id="toc__header">Table of Contents</div>
<div id="toc__inside">
<ul class="toc">
<li class="clear">
<ul class="toc">
<li class="level2"><div class="li"><span class="li"><a href="#dhtmlxtree" class="toc">dhtmlxTree</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#guide" class="toc">Guide</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#script_api_reference" class="toc">Script API Reference</a></span></div></li></ul>
</li></ul>
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<!-- TOC END -->
<p>
<div class='backlinks'><div class='backlink last_backlink'><img src="icons___file.gif" class="media" alt="" /><a href="../index.html" class="wikilink1" title="start">Index</a></div><div class='arrow'></div><div class='backlink last_backlink'><span class="curid"><img src="icons___tree.gif" class="media" alt="" /></span><span class="curid"><a href="index.html" class="wikilink1" title="dhtmlxtree:toc">dhtmlxtree</a></span></div></div>
</p>
<h2><a name="dhtmlxtree" id="dhtmlxtree">dhtmlxTree</a></h2>
<div class="level2">
<p>
dhtmlxTree is a flexible, smart, and easy to use JavaScript tree component allowing to create hierarchical navigation interfaces for web applications. It is great working with huge amounts of data due to special techniques implemented. dhtmlxTree possesses advanced drag-and-drop, dynamical loading of nodes, customizable view, unlimited number of nodes, and many other capabilities that make it fully-featured aid for developers. Communication with server is done via <acronym title="Asynchronous JavaScript and XML">AJAX</acronym> that allows the tree content to be updated without reloading the entire webpage. Complete JavaScript <acronym title="Application Programming Interface">API</acronym> is provided to help users to save time on configuring.
</p>
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<h3><a name="guide" id="guide">Guide</a></h3>
<div class="level3">
<ul>
<li class="level1"><div class="li"> <a href="others___supported_browsers.html" class="wikilink1" title="others:supported_browsers">Supported Browsers</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___initialization_of_dhtmlxtree.html" class="wikilink1" title="dhtmlxtree:initialization_of_dhtmlxtree">Initialization of dhtmlxTree</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___nodes_manipulation.html" class="wikilink1" title="dhtmlxtree:nodes_manipulation">Nodes Manipulation</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___drag_and_drop_handling.html" class="wikilink1" title="dhtmlxtree:drag_and_drop_handling">Drag-and-Drop Handling</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___setting_tree_appearance.html" class="wikilink1" title="dhtmlxtree:setting_tree_appearance">Setting Tree Appearance</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___checkboxes_manipulation.html" class="wikilink1" title="dhtmlxtree:checkboxes_manipulation">Checkboxes Manipulation</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___radio_buttons_manipulation.html" class="wikilink1" title="dhtmlxtree:radio_buttons_manipulation">Radio Buttons Manipulation</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___navigation_and_selection_in_tree.html" class="wikilink1" title="dhtmlxtree:navigation_and_selection_in_tree">Navigation and Selection in Tree</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___searching_and_sorting_in_tree.html" class="wikilink1" title="dhtmlxtree:searching_and_sorting_in_tree">Searching and Sorting in Tree</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___serialization_caching_and_removing_tree.html" class="wikilink1" title="dhtmlxtree:serialization_caching_and_removing_tree">Serialization, Caching and Removing Tree</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___increasing_tree_s_performance.html" class="wikilink1" title="dhtmlxtree:increasing_tree_s_performance">Increasing Tree's Performance</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___compatibility_with_other_dhtmlx_components.html" class="wikilink1" title="dhtmlxtree:compatibility_with_other_dhtmlx_components">Compatibility with Other DHTMLX Components</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___syntax_templates.html" class="wikilink1" title="dhtmlxtree:syntax_templates">Syntax Templates</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___events_handling.html" class="wikilink1" title="dhtmlxtree:events_handling">Events Handling</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___simultaneous_server_update.html" class="wikilink1" title="dhtmlxtree:simultaneous_server_update">Simultaneous Server Update</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___error_handling.html" class="wikilink1" title="dhtmlxtree:error_handling">Error Handling</a></div>
</li>
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<h3><a name="script_api_reference" id="script_api_reference">Script API Reference</a></h3>
<div class="level3">
<ul>
<li class="level1"><div class="li"> <a href="dhtmlxtree___api_constructor.html" class="wikilink1" title="dhtmlxtree:api_constructor"> Object constructor</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___api_toc_alpha.html" class="wikilink1" title="dhtmlxtree:api_toc_alpha"> API Methods. Alphabetically ordered</a></div>
</li>
<li class="level1"><div class="li"> <a href="dhtmlxtree___api_toc_categories.html" class="wikilink1" title="dhtmlxtree:api_toc_categories">API Methods by category</a></div>
</li>
</ul>
<p>
<br/>
</p>
<p>
Dear User,
</p>
<p>
Your opinion is important for us. Please feel free to contact us, say what for, where are you using tree, which methods are you using, what do you like, what don't like, what would you like to see in the future release. This information will help us to make dhtmlxTree better.<br/>
</p>
<p>
Thanks, your dhtmlxTeam.<br/>
</p>
<p>
support@dhtmlx.com<br/>
</p>
<p>
~~DISCUSSION:off~~
</p>
</div>
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</body>
</html>
| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/index.html | HTML | art | 13,603 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
lang="en" dir="ltr">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><link rel="stylesheet" href="../codebase/default.css" type="text/css" media="screen" title="no title" charset="utf-8"><title>
dhtmlxtree:api_method_dhtmlxtreeobject_serializetree [DHX documentation]
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<div class='backlinks'><div class='backlink last_backlink'><img src="icons___file.gif" class="media" alt="" /><a href="../index.html" class="wikilink1" title="start">Index</a></div><div class='arrow'></div><div class='backlink last_backlink'><img src="icons___tree.gif" class="media" alt="" /><a href=index.html class="wikilink1" title="dhtmlxtree:toc">dhtmlxtree</a></div><div class='arrow'></div><div class='backlink'><a href="dhtmlxtree___api_toc_alpha.html" class="wikilink1" title="dhtmlxtree:api_toc_alpha">API Methods</a></div></div>
</p>
<h3><a name="serializetree" id="serializetree">serializeTree()</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_xw.js</em>
</p>
<p>
get xml representation (as string) of tree
</p>
</div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___api_method_dhtmlxtreeobject_serializetree.html | HTML | art | 8,110 |
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<h3><a name="setitemimage_itemid_image1_image2" id="setitemimage_itemid_image1_image2">setItemImage(itemId,image1,image2)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
set item icons (mostly usefull for childless nodes)
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of node</div>
</li>
<li class="level1"><div class="li"> image1 - node without children icon or closed node icon (if image2 specified)</div>
</li>
<li class="level1"><div class="li"> image2 - open node icon (optional)</div>
</li>
</ul>
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dhtmlxtree:api_method_dhtmlxtreeobject_selectitem [DHX documentation]
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<h3><a name="selectitem_itemid_mode_preserve" id="selectitem_itemid_mode_preserve">selectItem(itemId,mode,preserve)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
select node ( and optionaly fire onClick event)
</p>
<ul>
<li class="level1"><div class="li"> itemId - node id</div>
</li>
<li class="level1"><div class="li"> mode - If true, script function for selected node will be called. ( onClick event )</div>
</li>
<li class="level1"><div class="li"> preserve - preserve earlier selected nodes</div>
</li>
</ul>
</div>
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dhtmlxtree:setting_tree_appearance [DHX documentation]
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<li class="clear">
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<li class="level2"><div class="li"><span class="li"><a href="#setting_tree_appearance" class="toc">Setting Tree Appearance</a></span></div>
<ul class="toc">
<li class="level3"><div class="li"><span class="li"><a href="#tree_lines_and_icons_manipulation" class="toc">Tree Lines and Icons Manipulation</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#tree_images_manipulation" class="toc">Tree Images Manipulation</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#text_manipulation" class="toc">Text Manipulation</a></span></div></li>
<li class="level3"><div class="li"><span class="li"><a href="#style_manipulation" class="toc">Style Manipulation</a></span></div></li></ul>
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</p>
<h2><a name="setting_tree_appearance" id="setting_tree_appearance">Setting Tree Appearance</a></h2>
<div class="level2">
</div>
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<h3><a name="tree_lines_and_icons_manipulation" id="tree_lines_and_icons_manipulation">Tree Lines and Icons Manipulation</a></h3>
<div class="level3">
</div>
<h4><a name="enabling_disabling_tree_lines" id="enabling_disabling_tree_lines">Enabling/Disabling Tree Lines</a></h4>
<div class="level4">
<p>
Tree lines are tiny lines that visually “connect” elements of the tree. These lines can be enabled|disabled from script easily:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableTreeLines</span><span class="br0">(</span><span class="kw2">true</span>|false<span class="br0">)</span>; <span class="co1">// true by default</span>
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
</div>
<h4><a name="setting_-_icons" id="setting_-_icons">Setting +/- Icons</a></h4>
<div class="level4">
<p>
”+” and ”-” icons indicate whether a parent node is closed or opened. setImageArrays() is used to set these images:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">setImageArrays</span><span class="br0">(</span>arrayName<span class="sy0">,</span>image1<span class="sy0">,</span>image2<span class="sy0">,</span>image3<span class="sy0">,</span>image4<span class="sy0">,</span>image5<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The parameters for this method are as follows:
</p>
<ul>
<li class="level1"><div class="li"> arrayName - name of array: plus, minus;</div>
</li>
<li class="level1"><div class="li"> image1 - line crossed image (+);</div>
</li>
<li class="level1"><div class="li"> image2 - image with top line (г);</div>
</li>
<li class="level1"><div class="li"> image3 - image with bottom line (L);</div>
</li>
<li class="level1"><div class="li"> image4 - image without line ( );</div>
</li>
<li class="level1"><div class="li"> image5 - single root image (-).</div>
</li>
</ul>
</div>
<h4><a name="showing_hiding_-_icons" id="showing_hiding_-_icons">Showing/Hiding +/- Icons</a></h4>
<div class="level4">
<p>
There is a simple way of showing/hiding +/- signs of a certain item:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">showItemSign</span><span class="br0">(</span>itemId<span class="sy0">,</span>mode<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The following parameters should be indicated:
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of the item which +/- icon will be shown/hidden;</div>
</li>
<li class="level1"><div class="li"> mode(true|false) - true stands for showing the icon, false means hiding it.</div>
</li>
</ul>
<p>
This method works only for individual items, not for the entire tree.
</p>
</div>
<h4><a name="specifying_icons_for_locked_items" id="specifying_icons_for_locked_items">Specifying Icons for Locked Items</a></h4>
<div class="level4">
<p>
If the user wants to specify the icons for locked state of tree items, they should be indicated before any of the data loading methods:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
...
<span class="me1">tree</span>.<span class="me1">setLockedIcons</span><span class="br0">(</span><span class="st0">"lock.gif"</span><span class="sy0">,</span><span class="st0">"lock.gif"</span><span class="sy0">,</span><span class="st0">"lock.gif"</span><span class="br0">)</span>;
tree.<span class="me1">loadXML</span><span class="br0">(</span><span class="st0">"tree.xml"</span><span class="br0">)</span>
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The parameters of setLockedIcons() method indicate paths to the icons that will be used for locked nodes:
</p>
<ul>
<li class="level1"><div class="li"> m0 - icon for a locked leaf;</div>
</li>
<li class="level1"><div class="li"> im1 - icon for a closed branch;</div>
</li>
<li class="level1"><div class="li"> im2 - icon for an opened branch.</div>
</li>
</ul>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="93-2014" /><input type="hidden" name="rev" value="1279031296" /><input type="hidden" name="id" value="dhtmlxtree:setting_tree_appearance" /><input type="submit" value="Edit" class="button" title="Tree Lines and Icons Manipulation" /></div></form></div>
<h3><a name="tree_images_manipulation" id="tree_images_manipulation">Tree Images Manipulation</a></h3>
<div class="level3">
</div>
<h4><a name="setting_images_for_items" id="setting_images_for_items">Setting Images for Items</a></h4>
<div class="level4">
<p>
It should be noted that the tree will get images for its nodes from the path the user specified in setImagePath() method.
</p>
<p>
But there are also other ways available for setting custom images for nodes in the tree. The difference between these two methods lies in the way the user adds item to the tree:
</p>
<ul>
<li class="level1"><div class="li"> JavaScript way - using arguments of insertNewChild() or insertNewNext() methods:</div>
</li>
</ul>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
<span class="kw2">var</span> im0 <span class="sy0">=</span> <span class="st0">"doc.gif"</span>; <span class="co1">// the icon for a leaf node</span>
<span class="kw2">var</span> im1 <span class="sy0">=</span> <span class="st0">"opened.gif"</span>; <span class="co1">// the icon for an expanded parent node</span>
<span class="kw2">var</span> im2 <span class="sy0">=</span> <span class="st0">"closed.gif"</span>; <span class="co1">// the icon for a collapsed parent node</span>
tree.<span class="me1">insertNewItem</span><span class="br0">(</span>0<span class="sy0">,</span><span class="nu0">1</span><span class="sy0">,</span><span class="st0">"New Node 1"</span><span class="sy0">,</span>0<span class="sy0">,</span>im0<span class="sy0">,</span>im1<span class="sy0">,</span>im2<span class="br0">)</span>;
tree.<span class="me1">insertNewNext</span><span class="br0">(</span><span class="nu0">1</span><span class="sy0">,</span><span class="nu0">2</span><span class="sy0">,</span><span class="st0">"New Node 2"</span><span class="sy0">,</span>0<span class="sy0">,</span><span class="st0">"txt.gif"</span><span class="sy0">,</span><span class="st0">"opened.gif"</span><span class="sy0">,</span><span class="st0">"closed.gif"</span><span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre><ul>
<li class="level1"><div class="li"> JavaScript way - using setItemImage() and setItemImage2() methods:</div>
</li>
</ul>
<p>
The first method for setting an image for an item should be written this way:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">setItemImage</span><span class="br0">(</span>itemId<span class="sy0">,</span>image1<span class="sy0">,</span>image2<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The parameters are as follows:
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of the item in question;</div>
</li>
<li class="level2"><div class="li"> image1 - image for the leaf item or image for the collapsed parent item (if the third parameter is indicated);</div>
</li>
<li class="level2"><div class="li"> image2 - image for the expanded parent item.</div>
</li>
</ul>
<p>
The second setting image method is the following:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">setItemImage2</span><span class="br0">(</span>itemId<span class="sy0">,</span>image1<span class="sy0">,</span>image2<span class="sy0">,</span> image3<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The parameters are as follows:
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of the item in question;</div>
</li>
<li class="level2"><div class="li"> image1 - image for the leaf item;</div>
</li>
<li class="level2"><div class="li"> image2 - image for the collapsed parent item;</div>
</li>
<li class="level2"><div class="li"> image3 - image for the expanded parent item.</div>
</li>
</ul>
<ul>
<li class="level1"><div class="li"> <acronym title="Extensible Markup Language">XML</acronym> way - using parameters of <item> tag:</div>
</li>
</ul>
<pre class="code javascript"> <span class="sy0"><?</span>xml version<span class="sy0">=</span><span class="st0">'1.0'</span> encoding<span class="sy0">=</span><span class="st0">'iso-8859-1'</span><span class="sy0">></span>
<span class="sy0"><</span>tree id<span class="sy0">=</span><span class="st0">"0"</span><span class="sy0">></span>
<span class="sy0"><</span>item text<span class="sy0">=</span><span class="st0">"My Computer"</span> id<span class="sy0">=</span><span class="st0">"1"</span> child<span class="sy0">=</span><span class="st0">"1"</span> im0<span class="sy0">=</span><span class="st0">"doc.gif"</span> im1<span class="sy0">=</span><span class="st0">"my_opened.gif"</span> im2<span class="sy0">=</span><span class="st0">"my_closed.gif"</span><span class="sy0">></span>
<span class="sy0"></</span>tree<span class="sy0">></span>
</pre>
<p>
See <a href="dhtmlxtree___syntax_templates.html" class="wikilink1" title="dhtmlxtree:syntax_templates">XML Format Template</a>.
</p>
</div>
<h4><a name="getting_item_s_image" id="getting_item_s_image">Getting Item's Image</a></h4>
<div class="level4">
<p>
Item's image can be got with the help of getItemImage() method:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
<span class="kw2">var</span> image <span class="sy0">=</span> tree.<span class="me1">getItemImage</span><span class="br0">(</span>itemId<span class="sy0">,</span>imageInd<span class="sy0">,</span>fullPath<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
In order to get items image, the user should indicate:
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of the item which image should be got;</div>
</li>
<li class="level1"><div class="li"> imageInd - index of the image (0 - leaf image, 1 - closed parent node image, 2 - open parent node image);</div>
</li>
<li class="level1"><div class="li"> fullPath (true|false) - indicates whether the method returns full path to the image (true), or just name of the image file (false).</div>
</li>
</ul>
</div>
<h4><a name="enabling_tree_images" id="enabling_tree_images">Enabling Tree Images</a></h4>
<div class="level4">
<p>
Images are enabled in dhtmlxTree by default. To disable images, the user should call the following method:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableTreeImages</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span>; <span class="co1">// true to enable</span>
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
</div>
<h4><a name="setting_default_item_s_images" id="setting_default_item_s_images">Setting Default Item's Images</a></h4>
<div class="level4">
<p>
There is a simple way of setting default item's images in dhtmlxTree:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">setStdImages</span><span class="br0">(</span>image1<span class="sy0">,</span>image2<span class="sy0">,</span>image3<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
This method should be called before <acronym title="Extensible Markup Language">XML</acronym> loading takes place. It is useful when a lot of similar images are going to be used in the tree, it is better to use this method once rather than specify these images every time for every item.
</p>
<p>
The parameters that the user should specify are the following:
</p>
<ul>
<li class="level1"><div class="li"> image1 - image for a leaf node;</div>
</li>
<li class="level1"><div class="li"> image2 - image for a closed parent node;</div>
</li>
<li class="level1"><div class="li"> image3 - image for an opened parent node.</div>
</li>
</ul>
</div>
<h4><a name="changing_icon_sets" id="changing_icon_sets">Changing Icon Sets</a></h4>
<div class="level4">
<p>
dhtmlxTree is a highly customizable component. You can use different icon sets for trees simply by changing image path:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"[full path to this folder]/codebase/images/"</span><span class="br0">)</span>; <span class="co1">// the default icons set</span>
<span class="co1">// or</span>
tree.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"[full path to this folder]/codebase/images/csh_scbrblue/"</span><span class="br0">)</span>;
<span class="co1">// or</span>
tree.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"[full path to this folder]/codebase/images/csh_yellowbooks/"</span><span class="br0">)</span>;
<span class="co1">// or</span>
...
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
</div>
<h4><a name="setting_icon_s_size" id="setting_icon_s_size">Setting Icon's Size</a></h4>
<div class="level4">
<p>
Setting icon's size is quite simple with setIconSize() method. The default size of tree icons is 18×18 px.
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">setIconSize</span><span class="br0">(</span>newWidth<span class="sy0">,</span>newHeight<span class="sy0">,</span>itemId<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The parameters the user should specify are:
</p>
<ul>
<li class="level1"><div class="li"> newWidth - new width for the icon;</div>
</li>
<li class="level1"><div class="li"> newHeight- new height for the icon;</div>
</li>
<li class="level1"><div class="li"> itemId - the item new sizes will be applied to (optional parameter).</div>
</li>
</ul>
<p>
If the last parameter is not indicated, new sizes will be applied to all icons in the tree.
</p>
</div>
<h4><a name="making_images_clickable" id="making_images_clickable">Making Images Clickable</a></h4>
<div class="level4">
<p>
There is a simple method used to make all images in the tree clickable:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableActiveImages</span><span class="br0">(</span><span class="kw2">true</span>|fasle<span class="br0">)</span>; <span class="co1">// enabled by default</span>
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
</div>
<h4><a name="enabling_image_dragging" id="enabling_image_dragging">Enabling Image Dragging</a></h4>
<div class="level4">
<p>
There is a method that is responsible for allowing the user to drag items not only by text, but also by their images. This functionality is enabled by default
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableImageDrag</span><span class="br0">(</span><span class="kw2">true</span>|false<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
</div>
<h4><a name="enabling_ie_images_fixing" id="enabling_ie_images_fixing">Enabling IE Images Fixing</a></h4>
<div class="level4">
<p>
There is a special method to change the way of images rendering in <acronym title="Internet Explorer">IE</acronym>. It also helps to solve the problem of images caching in <acronym title="Internet Explorer">IE</acronym>:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableIEImageFix</span><span class="br0">(</span><span class="kw2">true</span>|false<span class="br0">)</span>; <span class="co1">// disabled by default</span>
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="2015-7470" /><input type="hidden" name="rev" value="1279031296" /><input type="hidden" name="id" value="dhtmlxtree:setting_tree_appearance" /><input type="submit" value="Edit" class="button" title="Tree Images Manipulation" /></div></form></div>
<h3><a name="text_manipulation" id="text_manipulation">Text Manipulation</a></h3>
<div class="level3">
</div>
<h4><a name="setting_text_direction" id="setting_text_direction">Setting text Direction</a></h4>
<div class="level4">
<p>
dhtmlxTree support bot LTR and RTL text directions. LTR is set by default in the tree. The user can set the text direction to RTL like this:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableRTL</span><span class="br0">(</span><span class="kw2">true</span><span class="br0">)</span>; <span class="co1">// false to disable</span>
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
To set text direction to LTR again, use false in the above mentioned method.
</p>
</div>
<h4><a name="enabling_multiline" id="enabling_multiline">Enabling Multiline</a></h4>
<div class="level4">
<p>
By default tree nodes' labels can contain only one text line. However, in some situations it can be useful to make them multiline. There is a special method for this in dhtmlxTree. It is recommended to turn tree lines off for better appearance:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableTreeLines</span><span class="br0">(</span><span class="kw2">false</span><span class="br0">)</span>;
tree.<span class="me1">enableMultiLineItems</span><span class="br0">(</span><span class="kw2">true</span>|false|width<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
This method should be called before loading tree data takes place.
The parameter of this method can be one of these options:
</p>
<ul>
<li class="level1"><div class="li"> true - the multiline is enabled;</div>
</li>
<li class="level1"><div class="li"> false - the multiline is disabled;</div>
</li>
<li class="level1"><div class="li"> width - the multiline is enabled and set in pixels (for example, “50px”).</div>
</li>
</ul>
</div>
<h4><a name="setting_text_signs" id="setting_text_signs">Setting Text Signs</a></h4>
<div class="level4">
<p>
There is the possibility to enable|disable text signs [+] and [-] instead of corresponding icons. This can be done in the following way:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree. <span class="me1">enableTextSigns</span><span class="br0">(</span>mode<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
Setting this method to true equals enabling text signs for the tree, while false means disabling them.
</p>
</div>
<h4><a name="making_plain_text_tree" id="making_plain_text_tree">Making Plain Text Tree</a></h4>
<div class="level4">
<p>
There is also the possibility to create a plain one-level tree. The steps the user should take for this are quite simple:
</p>
<ul>
<li class="level1"><div class="li"> Add the following style in the html file where the tree will be created:</div>
</li>
</ul>
<pre class="code javascript"> <span class="sy0"><</span>style<span class="sy0">></span>
#treeboxbox_tree.<span class="me1">standartTreeImage</span> img<span class="br0">{</span>
width<span class="sy0">:</span>0px;
<span class="br0">}</span>
<span class="sy0"></</span>style<span class="sy0">></span>
</pre><ul>
<li class="level1"><div class="li"> Create a div element on page and write the following script lines:</div>
</li>
</ul>
<pre class="code javascript"> <span class="sy0"><</span>div id<span class="sy0">=</span><span class="st0">"treeboxbox_tree"</span> style<span class="sy0">=</span><span class="st0">"width:200;height:200"</span><span class="sy0">></</span>div<span class="sy0">></span>
<span class="sy0"><</span>script<span class="sy0">></span>
tree<span class="sy0">=</span><span class="kw2">new</span> dhtmlXTreeObject<span class="br0">(</span><span class="st0">"treeboxbox_tree"</span><span class="sy0">,</span><span class="st0">"100%"</span><span class="sy0">,</span><span class="st0">"100%"</span><span class="sy0">,</span>0<span class="br0">)</span>;
tree.<span class="me1">setImagePath</span><span class="br0">(</span><span class="st0">"[full path to this folder]/imgs/"</span><span class="br0">)</span>;
tree.<span class="me1">enableTreeImages</span><span class="br0">(</span><span class="st0">"false"</span><span class="br0">)</span>; <span class="co1">// disable tree images</span>
tree.<span class="me1">enableTreeLines</span><span class="br0">(</span><span class="st0">"false"</span><span class="br0">)</span>; <span class="co1">// disable tree lines</span>
tree.<span class="me1">loadXML</span><span class="br0">(</span>file<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
</div>
<h4><a name="enabling_loading_text" id="enabling_loading_text">Enabling Loading Text</a></h4>
<div class="level4">
<p>
The user can set loading text for a tree item. This text will appear on item loading instead of its original text, and will be replaced by the original text when loading is done:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">enableLoadingItem</span><span class="br0">(</span>text<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The default loading text set in dhtmlxTree is “Loading…”.
</p>
</div>
<h4><a name="using_html_in_item_s_text" id="using_html_in_item_s_text">Using HTML in Item's Text</a></h4>
<div class="level4">
<p>
The user may use escaped <acronym title="HyperText Markup Language">HTML</acronym> in text attribute of item tag to include some <acronym title="HyperText Markup Language">HTML</acronym> into node's label, or he can use nested <itemtext> tag with CDATA for the same (this tag is supported only in PRO edition):
</p>
<pre class="code javascript"> <span class="sy0"><?</span>xml version<span class="sy0">=</span><span class="st0">"1.0"</span><span class="sy0">></span>
<span class="sy0"><</span>tree id<span class="sy0">=</span><span class="st0">"0"</span><span class="sy0">></span>
<span class="sy0"><</span>item id<span class="sy0">=</span><span class="st0">"1"</span> text<span class="sy0">=</span><span class="st0">"&amp;lt; img src='some.gif' &amp;gt;"</span> <span class="sy0">/></span> <span class="co1">// using escaped HTML in text attribute</span>
<span class="sy0"></</span>tree<span class="sy0">></span>
<span class="sy0"><</span>tree id<span class="sy0">=</span><span class="st0">"0"</span><span class="sy0">></span>
<span class="sy0"><</span>item id<span class="sy0">=</span><span class="st0">"1"</span><span class="sy0">></span>
<span class="sy0"><</span>itemtext<span class="sy0">><!</span><span class="br0">[</span>CDATA <span class="sy0"><</span>img src<span class="sy0">=</span><span class="st0">'some.gif'</span><span class="sy0">></span> <span class="br0">]</span><span class="br0">]</span><span class="sy0">></</span>itemtext<span class="sy0">></span> <span class="co1">// using nested <itemtext> tag with CDATA</span>
<span class="sy0"></</span>item<span class="sy0">></span>
<span class="sy0"></</span>tree<span class="sy0">></span>
</pre>
</div>
<div class="secedit"><form class="button btn_secedit" method="post" action="/dhtmlx/docs/doku.php"><div class="no"><input type="hidden" name="do" value="edit" /><input type="hidden" name="lines" value="7471-10792" /><input type="hidden" name="rev" value="1279031296" /><input type="hidden" name="id" value="dhtmlxtree:setting_tree_appearance" /><input type="submit" value="Edit" class="button" title="Text Manipulation" /></div></form></div>
<h3><a name="style_manipulation" id="style_manipulation">Style Manipulation</a></h3>
<div class="level3">
</div>
<h4><a name="setting_individual_style_for_item" id="setting_individual_style_for_item">Setting Individual Style for Item</a></h4>
<div class="level4">
<p>
The user can set individual style for any item in the tree in the following way:
</p>
<pre class="code javascript"> <span class="sy0"><</span>script<span class="sy0">></span>
tree.<span class="me1">setItemStyle</span><span class="br0">(</span>itemId<span class="sy0">,</span>style_string<span class="br0">)</span>;
<span class="sy0"></</span>script<span class="sy0">></span>
</pre>
<p>
The parameters here are responsible for:
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of the item;</div>
</li>
<li class="level1"><div class="li"> style_string - valid <acronym title="Cascading Style Sheets">CSS</acronym> string.</div>
</li>
</ul>
</div>
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| zzh-simple-hr | ZJs/webapp/tree/dhtmlx/docsExplorer/dhtmlxtree/dhtmlxtree___setting_tree_appearance.html | HTML | art | 36,181 |
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<h3><a name="getallsubitems_itemid" id="getallsubitems_itemid">getAllSubItems(itemId)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___any_ed.gif" class="media" title="This method works with any edition of DHTMLX library" alt="This method works with any edition of DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree.js</em>
</p>
<p>
Returns the list of all children from all next levels of tree, separated by default delimiter.
</p>
<ul>
<li class="level1"><div class="li"> itemId - id of node</div>
</li>
</ul>
</div>
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<h3><a name="locktree_islock" id="locktree_islock">lockTree(isLock)</a></h3>
<div class="level3">
<p>
<em>Required library edition:</em> <img src="common___pro_ed.gif" class="media" title="This method requires Professional Edition of the DHTMLX library" alt="This method requires Professional Edition of the DHTMLX library" /><br/>
<em>Required library file: dhtmlxtree_li.js</em>
</p>
<p>
lock tree
</p>
<ul>
<li class="level1"><div class="li"> isLock - bool value. True - lock, false - unlock</div>
</li>
</ul>
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