9da8673a58baeca0b340b655a09978ec607428b1
[redakcja.git] / apps / fileupload / static / fileupload / js / jquery.ui.widget.js
1 /*
2  * jQuery UI Widget 1.8.18+amd
3  * https://github.com/blueimp/jQuery-File-Upload
4  *
5  * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
6  * Dual licensed under the MIT or GPL Version 2 licenses.
7  * http://jquery.org/license
8  *
9  * http://docs.jquery.com/UI/Widget
10  */
11
12 (function (factory) {
13     if (typeof define === "function" && define.amd) {
14         // Register as an anonymous AMD module:
15         define(["jquery"], factory);
16     } else {
17         // Browser globals:
18         factory(jQuery);
19     }
20 }(function( $, undefined ) {
21
22 // jQuery 1.4+
23 if ( $.cleanData ) {
24         var _cleanData = $.cleanData;
25         $.cleanData = function( elems ) {
26                 for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
27                         try {
28                                 $( elem ).triggerHandler( "remove" );
29                         // http://bugs.jquery.com/ticket/8235
30                         } catch( e ) {}
31                 }
32                 _cleanData( elems );
33         };
34 } else {
35         var _remove = $.fn.remove;
36         $.fn.remove = function( selector, keepData ) {
37                 return this.each(function() {
38                         if ( !keepData ) {
39                                 if ( !selector || $.filter( selector, [ this ] ).length ) {
40                                         $( "*", this ).add( [ this ] ).each(function() {
41                                                 try {
42                                                         $( this ).triggerHandler( "remove" );
43                                                 // http://bugs.jquery.com/ticket/8235
44                                                 } catch( e ) {}
45                                         });
46                                 }
47                         }
48                         return _remove.call( $(this), selector, keepData );
49                 });
50         };
51 }
52
53 $.widget = function( name, base, prototype ) {
54         var namespace = name.split( "." )[ 0 ],
55                 fullName;
56         name = name.split( "." )[ 1 ];
57         fullName = namespace + "-" + name;
58
59         if ( !prototype ) {
60                 prototype = base;
61                 base = $.Widget;
62         }
63
64         // create selector for plugin
65         $.expr[ ":" ][ fullName ] = function( elem ) {
66                 return !!$.data( elem, name );
67         };
68
69         $[ namespace ] = $[ namespace ] || {};
70         $[ namespace ][ name ] = function( options, element ) {
71                 // allow instantiation without initializing for simple inheritance
72                 if ( arguments.length ) {
73                         this._createWidget( options, element );
74                 }
75         };
76
77         var basePrototype = new base();
78         // we need to make the options hash a property directly on the new instance
79         // otherwise we'll modify the options hash on the prototype that we're
80         // inheriting from
81 //      $.each( basePrototype, function( key, val ) {
82 //              if ( $.isPlainObject(val) ) {
83 //                      basePrototype[ key ] = $.extend( {}, val );
84 //              }
85 //      });
86         basePrototype.options = $.extend( true, {}, basePrototype.options );
87         $[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
88                 namespace: namespace,
89                 widgetName: name,
90                 widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
91                 widgetBaseClass: fullName
92         }, prototype );
93
94         $.widget.bridge( name, $[ namespace ][ name ] );
95 };
96
97 $.widget.bridge = function( name, object ) {
98         $.fn[ name ] = function( options ) {
99                 var isMethodCall = typeof options === "string",
100                         args = Array.prototype.slice.call( arguments, 1 ),
101                         returnValue = this;
102
103                 // allow multiple hashes to be passed on init
104                 options = !isMethodCall && args.length ?
105                         $.extend.apply( null, [ true, options ].concat(args) ) :
106                         options;
107
108                 // prevent calls to internal methods
109                 if ( isMethodCall && options.charAt( 0 ) === "_" ) {
110                         return returnValue;
111                 }
112
113                 if ( isMethodCall ) {
114                         this.each(function() {
115                                 var instance = $.data( this, name ),
116                                         methodValue = instance && $.isFunction( instance[options] ) ?
117                                                 instance[ options ].apply( instance, args ) :
118                                                 instance;
119                                 // TODO: add this back in 1.9 and use $.error() (see #5972)
120 //                              if ( !instance ) {
121 //                                      throw "cannot call methods on " + name + " prior to initialization; " +
122 //                                              "attempted to call method '" + options + "'";
123 //                              }
124 //                              if ( !$.isFunction( instance[options] ) ) {
125 //                                      throw "no such method '" + options + "' for " + name + " widget instance";
126 //                              }
127 //                              var methodValue = instance[ options ].apply( instance, args );
128                                 if ( methodValue !== instance && methodValue !== undefined ) {
129                                         returnValue = methodValue;
130                                         return false;
131                                 }
132                         });
133                 } else {
134                         this.each(function() {
135                                 var instance = $.data( this, name );
136                                 if ( instance ) {
137                                         instance.option( options || {} )._init();
138                                 } else {
139                                         $.data( this, name, new object( options, this ) );
140                                 }
141                         });
142                 }
143
144                 return returnValue;
145         };
146 };
147
148 $.Widget = function( options, element ) {
149         // allow instantiation without initializing for simple inheritance
150         if ( arguments.length ) {
151                 this._createWidget( options, element );
152         }
153 };
154
155 $.Widget.prototype = {
156         widgetName: "widget",
157         widgetEventPrefix: "",
158         options: {
159                 disabled: false
160         },
161         _createWidget: function( options, element ) {
162                 // $.widget.bridge stores the plugin instance, but we do it anyway
163                 // so that it's stored even before the _create function runs
164                 $.data( element, this.widgetName, this );
165                 this.element = $( element );
166                 this.options = $.extend( true, {},
167                         this.options,
168                         this._getCreateOptions(),
169                         options );
170
171                 var self = this;
172                 this.element.bind( "remove." + this.widgetName, function() {
173                         self.destroy();
174                 });
175
176                 this._create();
177                 this._trigger( "create" );
178                 this._init();
179         },
180         _getCreateOptions: function() {
181                 return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
182         },
183         _create: function() {},
184         _init: function() {},
185
186         destroy: function() {
187                 this.element
188                         .unbind( "." + this.widgetName )
189                         .removeData( this.widgetName );
190                 this.widget()
191                         .unbind( "." + this.widgetName )
192                         .removeAttr( "aria-disabled" )
193                         .removeClass(
194                                 this.widgetBaseClass + "-disabled " +
195                                 "ui-state-disabled" );
196         },
197
198         widget: function() {
199                 return this.element;
200         },
201
202         option: function( key, value ) {
203                 var options = key;
204
205                 if ( arguments.length === 0 ) {
206                         // don't return a reference to the internal hash
207                         return $.extend( {}, this.options );
208                 }
209
210                 if  (typeof key === "string" ) {
211                         if ( value === undefined ) {
212                                 return this.options[ key ];
213                         }
214                         options = {};
215                         options[ key ] = value;
216                 }
217
218                 this._setOptions( options );
219
220                 return this;
221         },
222         _setOptions: function( options ) {
223                 var self = this;
224                 $.each( options, function( key, value ) {
225                         self._setOption( key, value );
226                 });
227
228                 return this;
229         },
230         _setOption: function( key, value ) {
231                 this.options[ key ] = value;
232
233                 if ( key === "disabled" ) {
234                         this.widget()
235                                 [ value ? "addClass" : "removeClass"](
236                                         this.widgetBaseClass + "-disabled" + " " +
237                                         "ui-state-disabled" )
238                                 .attr( "aria-disabled", value );
239                 }
240
241                 return this;
242         },
243
244         enable: function() {
245                 return this._setOption( "disabled", false );
246         },
247         disable: function() {
248                 return this._setOption( "disabled", true );
249         },
250
251         _trigger: function( type, event, data ) {
252                 var prop, orig,
253                         callback = this.options[ type ];
254
255                 data = data || {};
256                 event = $.Event( event );
257                 event.type = ( type === this.widgetEventPrefix ?
258                         type :
259                         this.widgetEventPrefix + type ).toLowerCase();
260                 // the original event may come from any element
261                 // so we need to reset the target on the new event
262                 event.target = this.element[ 0 ];
263
264                 // copy original event properties over to the new event
265                 orig = event.originalEvent;
266                 if ( orig ) {
267                         for ( prop in orig ) {
268                                 if ( !( prop in event ) ) {
269                                         event[ prop ] = orig[ prop ];
270                                 }
271                         }
272                 }
273
274                 this.element.trigger( event, data );
275
276                 return !( $.isFunction(callback) &&
277                         callback.call( this.element[0], event, data ) === false ||
278                         event.isDefaultPrevented() );
279         }
280 };
281
282 }));