1/*!
2 * jQuery UI Widget 1.8.24
3 *
4 * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
5 * Dual licensed under the MIT or GPL Version 2 licenses.
6 * http://jquery.org/license
7 *
8 * http://docs.jquery.com/UI/Widget
9 */
10(function( $, undefined ) {
11
12// jQuery 1.4+
13if ( $.cleanData ) {
14	var _cleanData = $.cleanData;
15	$.cleanData = function( elems ) {
16		for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
17			try {
18				$( elem ).triggerHandler( "remove" );
19			// http://bugs.jquery.com/ticket/8235
20			} catch( e ) {}
21		}
22		_cleanData( elems );
23	};
24} else {
25	var _remove = $.fn.remove;
26	$.fn.remove = function( selector, keepData ) {
27		return this.each(function() {
28			if ( !keepData ) {
29				if ( !selector || $.filter( selector, [ this ] ).length ) {
30					$( "*", this ).add( [ this ] ).each(function() {
31						try {
32							$( this ).triggerHandler( "remove" );
33						// http://bugs.jquery.com/ticket/8235
34						} catch( e ) {}
35					});
36				}
37			}
38			return _remove.call( $(this), selector, keepData );
39		});
40	};
41}
42
43$.widget = function( name, base, prototype ) {
44	var namespace = name.split( "." )[ 0 ],
45		fullName;
46	name = name.split( "." )[ 1 ];
47	fullName = namespace + "-" + name;
48
49	if ( !prototype ) {
50		prototype = base;
51		base = $.Widget;
52	}
53
54	// create selector for plugin
55	$.expr[ ":" ][ fullName ] = function( elem ) {
56		return !!$.data( elem, name );
57	};
58
59	$[ namespace ] = $[ namespace ] || {};
60	$[ namespace ][ name ] = function( options, element ) {
61		// allow instantiation without initializing for simple inheritance
62		if ( arguments.length ) {
63			this._createWidget( options, element );
64		}
65	};
66
67	var basePrototype = new base();
68	// we need to make the options hash a property directly on the new instance
69	// otherwise we'll modify the options hash on the prototype that we're
70	// inheriting from
71//	$.each( basePrototype, function( key, val ) {
72//		if ( $.isPlainObject(val) ) {
73//			basePrototype[ key ] = $.extend( {}, val );
74//		}
75//	});
76	basePrototype.options = $.extend( true, {}, basePrototype.options );
77	$[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
78		namespace: namespace,
79		widgetName: name,
80		widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
81		widgetBaseClass: fullName
82	}, prototype );
83
84	$.widget.bridge( name, $[ namespace ][ name ] );
85};
86
87$.widget.bridge = function( name, object ) {
88	$.fn[ name ] = function( options ) {
89		var isMethodCall = typeof options === "string",
90			args = Array.prototype.slice.call( arguments, 1 ),
91			returnValue = this;
92
93		// allow multiple hashes to be passed on init
94		options = !isMethodCall && args.length ?
95			$.extend.apply( null, [ true, options ].concat(args) ) :
96			options;
97
98		// prevent calls to internal methods
99		if ( isMethodCall && options.charAt( 0 ) === "_" ) {
100			return returnValue;
101		}
102
103		if ( isMethodCall ) {
104			this.each(function() {
105				var instance = $.data( this, name ),
106					methodValue = instance && $.isFunction( instance[options] ) ?
107						instance[ options ].apply( instance, args ) :
108						instance;
109				// TODO: add this back in 1.9 and use $.error() (see #5972)
110//				if ( !instance ) {
111//					throw "cannot call methods on " + name + " prior to initialization; " +
112//						"attempted to call method '" + options + "'";
113//				}
114//				if ( !$.isFunction( instance[options] ) ) {
115//					throw "no such method '" + options + "' for " + name + " widget instance";
116//				}
117//				var methodValue = instance[ options ].apply( instance, args );
118				if ( methodValue !== instance && methodValue !== undefined ) {
119					returnValue = methodValue;
120					return false;
121				}
122			});
123		} else {
124			this.each(function() {
125				var instance = $.data( this, name );
126				if ( instance ) {
127					instance.option( options || {} )._init();
128				} else {
129					$.data( this, name, new object( options, this ) );
130				}
131			});
132		}
133
134		return returnValue;
135	};
136};
137
138$.Widget = function( options, element ) {
139	// allow instantiation without initializing for simple inheritance
140	if ( arguments.length ) {
141		this._createWidget( options, element );
142	}
143};
144
145$.Widget.prototype = {
146	widgetName: "widget",
147	widgetEventPrefix: "",
148	options: {
149		disabled: false
150	},
151	_createWidget: function( options, element ) {
152		// $.widget.bridge stores the plugin instance, but we do it anyway
153		// so that it's stored even before the _create function runs
154		$.data( element, this.widgetName, this );
155		this.element = $( element );
156		this.options = $.extend( true, {},
157			this.options,
158			this._getCreateOptions(),
159			options );
160
161		var self = this;
162		this.element.bind( "remove." + this.widgetName, function() {
163			self.destroy();
164		});
165
166		this._create();
167		this._trigger( "create" );
168		this._init();
169	},
170	_getCreateOptions: function() {
171		return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
172	},
173	_create: function() {},
174	_init: function() {},
175
176	destroy: function() {
177		this.element
178			.unbind( "." + this.widgetName )
179			.removeData( this.widgetName );
180		this.widget()
181			.unbind( "." + this.widgetName )
182			.removeAttr( "aria-disabled" )
183			.removeClass(
184				this.widgetBaseClass + "-disabled " +
185				"ui-state-disabled" );
186	},
187
188	widget: function() {
189		return this.element;
190	},
191
192	option: function( key, value ) {
193		var options = key;
194
195		if ( arguments.length === 0 ) {
196			// don't return a reference to the internal hash
197			return $.extend( {}, this.options );
198		}
199
200		if  (typeof key === "string" ) {
201			if ( value === undefined ) {
202				return this.options[ key ];
203			}
204			options = {};
205			options[ key ] = value;
206		}
207
208		this._setOptions( options );
209
210		return this;
211	},
212	_setOptions: function( options ) {
213		var self = this;
214		$.each( options, function( key, value ) {
215			self._setOption( key, value );
216		});
217
218		return this;
219	},
220	_setOption: function( key, value ) {
221		this.options[ key ] = value;
222
223		if ( key === "disabled" ) {
224			this.widget()
225				[ value ? "addClass" : "removeClass"](
226					this.widgetBaseClass + "-disabled" + " " +
227					"ui-state-disabled" )
228				.attr( "aria-disabled", value );
229		}
230
231		return this;
232	},
233
234	enable: function() {
235		return this._setOption( "disabled", false );
236	},
237	disable: function() {
238		return this._setOption( "disabled", true );
239	},
240
241	_trigger: function( type, event, data ) {
242		var prop, orig,
243			callback = this.options[ type ];
244
245		data = data || {};
246		event = $.Event( event );
247		event.type = ( type === this.widgetEventPrefix ?
248			type :
249			this.widgetEventPrefix + type ).toLowerCase();
250		// the original event may come from any element
251		// so we need to reset the target on the new event
252		event.target = this.element[ 0 ];
253
254		// copy original event properties over to the new event
255		orig = event.originalEvent;
256		if ( orig ) {
257			for ( prop in orig ) {
258				if ( !( prop in event ) ) {
259					event[ prop ] = orig[ prop ];
260				}
261			}
262		}
263
264		this.element.trigger( event, data );
265
266		return !( $.isFunction(callback) &&
267			callback.call( this.element[0], event, data ) === false ||
268			event.isDefaultPrevented() );
269	}
270};
271
272})( jQuery );
273