https://xn--v69ao4l1tikjdlql8po.com/static/js/placeholder/jquery.placeholder.js

1/*! http://mths.be/placeholder v2.1.0 by @mathias */
2(function(factory) {
3	if (typeof define === 'function' && define.amd) {
4		// AMD
5		define(['jquery'], factory);
6	} else {
7		// Browser globals
8		factory(jQuery);
9	}
10}(function($) {
11
12	// Opera Mini v7 doesn't support placeholder although its DOM seems to indicate so
13	var isOperaMini = Object.prototype.toString.call(window.operamini) == '[object OperaMini]';
14	var isInputSupported = 'placeholder' in document.createElement('input') && !isOperaMini;
15	var isTextareaSupported = 'placeholder' in document.createElement('textarea') && !isOperaMini;
16	var valHooks = $.valHooks;
17	var propHooks = $.propHooks;
18	var hooks;
19	var placeholder;
20
21	if (isInputSupported && isTextareaSupported) {
22
23		placeholder = $.fn.placeholder = function() {
24			return this;
25		};
26
27		placeholder.input = placeholder.textarea = true;
28
29	} else {
30
31		var settings = {};
32
33		placeholder = $.fn.placeholder = function(options) {
34
35			var defaults = {customClass: 'placeholder'};
36			settings = $.extend({}, defaults, options);
37
38			var $this = this;
39			$this
40				.filter((isInputSupported ? 'textarea' : ':input') + '[placeholder]')
41				.not('.'+settings.customClass)
42				.bind({
43					'focus.placeholder': clearPlaceholder,
44					'blur.placeholder': setPlaceholder
45				})
46				.data('placeholder-enabled', true)
47				.trigger('blur.placeholder');
48			return $this;
49		};
50
51		placeholder.input = isInputSupported;
52		placeholder.textarea = isTextareaSupported;
53
54		hooks = {
55			'get': function(element) {
56				var $element = $(element);
57
58				var $passwordInput = $element.data('placeholder-password');
59				if ($passwordInput) {
60					return $passwordInput[0].value;
61				}
62
63				return $element.data('placeholder-enabled') && $element.hasClass(settings.customClass) ? '' : element.value;
64			},
65			'set': function(element, value) {
66				var $element = $(element);
67
68				var $passwordInput = $element.data('placeholder-password');
69				if ($passwordInput) {
70					return $passwordInput[0].value = value;
71				}
72
73				if (!$element.data('placeholder-enabled')) {
74					return element.value = value;
75				}
76				if (value === '') {
77					element.value = value;
78					// Issue #56: Setting the placeholder causes problems if the element continues to have focus.
79					if (element != safeActiveElement()) {
80						// We can't use `triggerHandler` here because of dummy text/password inputs :(
81						setPlaceholder.call(element);
82					}
83				} else if ($element.hasClass(settings.customClass)) {
84					clearPlaceholder.call(element, true, value) || (element.value = value);
85				} else {
86					element.value = value;
87				}
88				// `set` can not return `undefined`; see http://jsapi.info/jquery/1.7.1/val#L2363
89				return $element;
90			}
91		};
92
93		if (!isInputSupported) {
94			valHooks.input = hooks;
95			propHooks.value = hooks;
96		}
97		if (!isTextareaSupported) {
98			valHooks.textarea = hooks;
99			propHooks.value = hooks;
100		}
101
102		$(function() {
103			// Look for forms
104			$(document).delegate('form', 'submit.placeholder', function() {
105				// Clear the placeholder values so they don't get submitted
106				var $inputs = $('.'+settings.customClass, this).each(clearPlaceholder);
107				setTimeout(function() {
108					$inputs.each(setPlaceholder);
109				}, 10);
110			});
111		});
112
113		// Clear placeholder values upon page reload
114		$(window).bind('beforeunload.placeholder', function() {
115			$('.'+settings.customClass).each(function() {
116				this.value = '';
117			});
118		});
119
120	}
121
122	function args(elem) {
123		// Return an object of element attributes
124		var newAttrs = {};
125		var rinlinejQuery = /^jQuery\d+$/;
126		$.each(elem.attributes, function(i, attr) {
127			if (attr.specified && !rinlinejQuery.test(attr.name)) {
128				newAttrs[attr.name] = attr.value;
129			}
130		});
131		return newAttrs;
132	}
133
134	function clearPlaceholder(event, value) {
135		var input = this;
136		var $input = $(input);
137		if (input.value == $input.attr('placeholder') && $input.hasClass(settings.customClass)) {
138			if ($input.data('placeholder-password')) {
139				$input = $input.hide().nextAll('input[type="password"]:first').show().attr('id', $input.removeAttr('id').data('placeholder-id'));
140				// If `clearPlaceholder` was called from `$.valHooks.input.set`
141				if (event === true) {
142					return $input[0].value = value;
143				}
144				$input.focus();
145			} else {
146				input.value = '';
147				$input.removeClass(settings.customClass);
148				input == safeActiveElement() && input.select();
149			}
150		}
151	}
152
153	function setPlaceholder() {
154		var $replacement;
155		var input = this;
156		var $input = $(input);
157		var id = this.id;
158		if (input.value === '') {
159			if (input.type === 'password') {
160				if (!$input.data('placeholder-textinput')) {
161					try {
162						$replacement = $input.clone().attr({ 'type': 'text' });
163					} catch(e) {
164						$replacement = $('<input>').attr($.extend(args(this), { 'type': 'text' }));
165					}
166					$replacement
167						.removeAttr('name')
168						.data({
169							'placeholder-password': $input,
170							'placeholder-id': id
171						})
172						.bind('focus.placeholder', clearPlaceholder);
173					$input
174						.data({
175							'placeholder-textinput': $replacement,
176							'placeholder-id': id
177						})
178						.before($replacement);
179				}
180				$input = $input.removeAttr('id').hide().prevAll('input[type="text"]:first').attr('id', id).show();
181				// Note: `$input[0] != input` now!
182			}
183			$input.addClass(settings.customClass);
184			$input[0].value = $input.attr('placeholder');
185		} else {
186			$input.removeClass(settings.customClass);
187		}
188	}
189
190	function safeActiveElement() {
191		// Avoid IE9 `document.activeElement` of death
192		// https://github.com/mathiasbynens/jquery-placeholder/pull/99
193		try {
194			return document.activeElement;
195		} catch (exception) {}
196	}
197
198}));