File size: 5,164 Bytes
2fcec7b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | /*! http://mths.be/placeholder v2.0.7 by @mathias */
;(function(window, document, $) {
var isInputSupported = 'placeholder' in document.createElement('input');
var isTextareaSupported = 'placeholder' in document.createElement('textarea');
var prototype = $.fn;
var valHooks = $.valHooks;
var propHooks = $.propHooks;
var hooks;
var placeholder;
if (isInputSupported && isTextareaSupported) {
placeholder = prototype.placeholder = function() {
return this;
};
placeholder.input = placeholder.textarea = true;
} else {
placeholder = prototype.placeholder = function() {
var $this = this;
$this
.filter((isInputSupported ? 'textarea' : ':input') + '[placeholder]')
.not('.placeholder')
.bind({
'focus.placeholder': clearPlaceholder,
'blur.placeholder': setPlaceholder
})
.data('placeholder-enabled', true)
.trigger('blur.placeholder');
return $this;
};
placeholder.input = isInputSupported;
placeholder.textarea = isTextareaSupported;
hooks = {
'get': function(element) {
var $element = $(element);
var $passwordInput = $element.data('placeholder-password');
if ($passwordInput) {
return $passwordInput[0].value;
}
return $element.data('placeholder-enabled') && $element.hasClass('placeholder') ? '' : element.value;
},
'set': function(element, value) {
var $element = $(element);
var $passwordInput = $element.data('placeholder-password');
if ($passwordInput) {
return $passwordInput[0].value = value;
}
if (!$element.data('placeholder-enabled')) {
return element.value = value;
}
if (value == '') {
element.value = value;
// Issue #56: Setting the placeholder causes problems if the element continues to have focus.
if (element != document.activeElement) {
// We can't use `triggerHandler` here because of dummy text/password inputs :(
setPlaceholder.call(element);
}
} else if ($element.hasClass('placeholder')) {
clearPlaceholder.call(element, true, value) || (element.value = value);
} else {
element.value = value;
}
// `set` can not return `undefined`; see http://jsapi.info/jquery/1.7.1/val#L2363
return $element;
}
};
if (!isInputSupported) {
valHooks.input = hooks;
propHooks.value = hooks;
}
if (!isTextareaSupported) {
valHooks.textarea = hooks;
propHooks.value = hooks;
}
$(function() {
// Look for forms
$(document).delegate('form', 'submit.placeholder', function() {
// Clear the placeholder values so they don't get submitted
var $inputs = $('.placeholder', this).each(clearPlaceholder);
setTimeout(function() {
$inputs.each(setPlaceholder);
}, 10);
});
});
// Clear placeholder values upon page reload
$(window).bind('beforeunload.placeholder', function() {
$('.placeholder').each(function() {
this.value = '';
});
});
}
function args(elem) {
// Return an object of element attributes
var newAttrs = {};
var rinlinejQuery = /^jQuery\d+$/;
$.each(elem.attributes, function(i, attr) {
if (attr.specified && !rinlinejQuery.test(attr.name)) {
newAttrs[attr.name] = attr.value;
}
});
return newAttrs;
}
function clearPlaceholder(event, value) {
var input = this;
var $input = $(input);
if (input.value == $input.attr('placeholder') && $input.hasClass('placeholder')) {
if ($input.data('placeholder-password')) {
$input = $input.hide().next().show().attr('id', $input.removeAttr('id').data('placeholder-id'));
// If `clearPlaceholder` was called from `$.valHooks.input.set`
if (event === true) {
return $input[0].value = value;
}
$input.focus();
} else {
input.value = '';
$input.removeClass('placeholder');
input == document.activeElement && input.select();
}
}
}
function setPlaceholder() {
var $replacement;
var input = this;
var $input = $(input);
var id = this.id;
if (input.value == '') {
if (input.type == 'password') {
if (!$input.data('placeholder-textinput')) {
try {
$replacement = $input.clone().attr({ 'type': 'text' });
} catch(e) {
$replacement = $('<input>').attr($.extend(args(this), { 'type': 'text' }));
}
$replacement
.removeAttr('name')
.data({
'placeholder-password': $input,
'placeholder-id': id
})
.bind('focus.placeholder', clearPlaceholder);
$input
.data({
'placeholder-textinput': $replacement,
'placeholder-id': id
})
.before($replacement);
}
$input = $input.removeAttr('id').hide().prev().attr('id', id).show();
// Note: `$input[0] != input` now!
}
$input.addClass('placeholder');
$input[0].value = $input.attr('placeholder');
} else {
$input.removeClass('placeholder');
}
}
$(document).ready(function(){
$inpTexa = $('input, textarea');
$inpTexa.placeholder();
var placeholder = "<style type=\"text/css\">"
+ "input, textarea { color: #000; }"
+ ".placeholder { color: #aaa; }"
+ "</style>";
$("head").append(placeholder);
});
}(this, document, jQuery));
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