| <!doctype html> |
|
|
| <title>CodeMirror: Lazy Mode Loading Demo</title> |
| <meta charset="utf-8"/> |
| <link rel=stylesheet href="../doc/docs.css"> |
|
|
| <link rel="stylesheet" href="../lib/codemirror.css"> |
| <script src="../lib/codemirror.js"></script> |
| <script src="../addon/mode/loadmode.js"></script> |
| <script src="../mode/meta.js"></script> |
| <style> |
| .CodeMirror {border-top: 1px solid black; border-bottom: 1px solid black;} |
| </style> |
| <div id=nav> |
| <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> |
|
|
| <ul> |
| <li><a href="../index.html">Home</a> |
| <li><a href="../doc/manual.html">Manual</a> |
| <li><a href="https://github.com/codemirror/codemirror">Code</a> |
| </ul> |
| <ul> |
| <li><a class=active href="#">Lazy Mode Loading</a> |
| </ul> |
| </div> |
|
|
| <article> |
| <h2>Lazy Mode Loading Demo</h2> |
| <p style="color: gray">Current mode: <span id="modeinfo">text/plain</span></p> |
| <form><textarea id="code" name="code">This is the editor. |
| // It starts out in plain text mode, |
| # use the control below to load and apply a mode |
| "you'll see the highlighting of" this text /*change*/. |
| </textarea></form> |
| <p>Filename, mime, or mode name: <input type=text value=foo.js id=mode> <button type=button onclick="change()">change mode</button></p> |
|
|
| <script> |
| CodeMirror.modeURL = "../mode/%N/%N.js"; |
| var editor = CodeMirror.fromTextArea(document.getElementById("code"), { |
| lineNumbers: true |
| }); |
| var modeInput = document.getElementById("mode"); |
| CodeMirror.on(modeInput, "keypress", function(e) { |
| if (e.keyCode == 13) change(); |
| }); |
| function change() { |
| var val = modeInput.value, m, mode, spec; |
| if (m = /.+\.([^.]+)$/.exec(val)) { |
| var info = CodeMirror.findModeByExtension(m[1]); |
| if (info) { |
| mode = info.mode; |
| spec = info.mime; |
| } |
| } else if (/\//.test(val)) { |
| var info = CodeMirror.findModeByMIME(val); |
| if (info) { |
| mode = info.mode; |
| spec = val; |
| } |
| } else { |
| mode = spec = val; |
| } |
| if (mode) { |
| editor.setOption("mode", spec); |
| CodeMirror.autoLoadMode(editor, mode); |
| document.getElementById("modeinfo").textContent = spec; |
| } else { |
| alert("Could not find a mode corresponding to " + val); |
| } |
| } |
| </script> |
| </article> |
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