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| 1 | +/*! |
| 2 | + * jQuery UI Widget 1.8 |
| 3 | + * |
| 4 | + * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about) |
| 5 | + * Dual licensed under the MIT (MIT-LICENSE.txt) |
| 6 | + * and GPL (GPL-LICENSE.txt) licenses. |
| 7 | + * |
| 8 | + * http://docs.jquery.com/UI/Widget |
| 9 | + */ |
| 10 | +(function( $ ) { |
| 11 | + |
| 12 | +var _remove = $.fn.remove; |
| 13 | + |
| 14 | +$.fn.remove = function( selector, keepData ) { |
| 15 | + return this.each(function() { |
| 16 | + if ( !keepData ) { |
| 17 | + if ( !selector || $.filter( selector, [ this ] ).length ) { |
| 18 | + $( "*", this ).add( this ).each(function() { |
| 19 | + $( this ).triggerHandler( "remove" ); |
| 20 | + }); |
| 21 | + } |
| 22 | + } |
| 23 | + return _remove.call( $(this), selector, keepData ); |
| 24 | + }); |
| 25 | +}; |
| 26 | + |
| 27 | +$.widget = function( name, base, prototype ) { |
| 28 | + var namespace = name.split( "." )[ 0 ], |
| 29 | + fullName; |
| 30 | + name = name.split( "." )[ 1 ]; |
| 31 | + fullName = namespace + "-" + name; |
| 32 | + |
| 33 | + if ( !prototype ) { |
| 34 | + prototype = base; |
| 35 | + base = $.Widget; |
| 36 | + } |
| 37 | + |
| 38 | + // create selector for plugin |
| 39 | + $.expr[ ":" ][ fullName ] = function( elem ) { |
| 40 | + return !!$.data( elem, name ); |
| 41 | + }; |
| 42 | + |
| 43 | + $[ namespace ] = $[ namespace ] || {}; |
| 44 | + $[ namespace ][ name ] = function( options, element ) { |
| 45 | + // allow instantiation without initializing for simple inheritance |
| 46 | + if ( arguments.length ) { |
| 47 | + this._createWidget( options, element ); |
| 48 | + } |
| 49 | + }; |
| 50 | + |
| 51 | + var basePrototype = new base(); |
| 52 | + // we need to make the options hash a property directly on the new instance |
| 53 | + // otherwise we'll modify the options hash on the prototype that we're |
| 54 | + // inheriting from |
| 55 | +// $.each( basePrototype, function( key, val ) { |
| 56 | +// if ( $.isPlainObject(val) ) { |
| 57 | +// basePrototype[ key ] = $.extend( {}, val ); |
| 58 | +// } |
| 59 | +// }); |
| 60 | + basePrototype.options = $.extend( {}, basePrototype.options ); |
| 61 | + $[ namespace ][ name ].prototype = $.extend( true, basePrototype, { |
| 62 | + namespace: namespace, |
| 63 | + widgetName: name, |
| 64 | + widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name, |
| 65 | + widgetBaseClass: fullName |
| 66 | + }, prototype ); |
| 67 | + |
| 68 | + $.widget.bridge( name, $[ namespace ][ name ] ); |
| 69 | +}; |
| 70 | + |
| 71 | +$.widget.bridge = function( name, object ) { |
| 72 | + $.fn[ name ] = function( options ) { |
| 73 | + var isMethodCall = typeof options === "string", |
| 74 | + args = Array.prototype.slice.call( arguments, 1 ), |
| 75 | + returnValue = this; |
| 76 | + |
| 77 | + // allow multiple hashes to be passed on init |
| 78 | + options = !isMethodCall && args.length ? |
| 79 | + $.extend.apply( null, [ true, options ].concat(args) ) : |
| 80 | + options; |
| 81 | + |
| 82 | + // prevent calls to internal methods |
| 83 | + if ( isMethodCall && options.substring( 0, 1 ) === "_" ) { |
| 84 | + return returnValue; |
| 85 | + } |
| 86 | + |
| 87 | + if ( isMethodCall ) { |
| 88 | + this.each(function() { |
| 89 | + var instance = $.data( this, name ), |
| 90 | + methodValue = instance && $.isFunction( instance[options] ) ? |
| 91 | + instance[ options ].apply( instance, args ) : |
| 92 | + instance; |
| 93 | + if ( methodValue !== instance && methodValue !== undefined ) { |
| 94 | + returnValue = methodValue; |
| 95 | + return false; |
| 96 | + } |
| 97 | + }); |
| 98 | + } else { |
| 99 | + this.each(function() { |
| 100 | + var instance = $.data( this, name ); |
| 101 | + if ( instance ) { |
| 102 | + if ( options ) { |
| 103 | + instance.option( options ); |
| 104 | + } |
| 105 | + instance._init(); |
| 106 | + } else { |
| 107 | + $.data( this, name, new object( options, this ) ); |
| 108 | + } |
| 109 | + }); |
| 110 | + } |
| 111 | + |
| 112 | + return returnValue; |
| 113 | + }; |
| 114 | +}; |
| 115 | + |
| 116 | +$.Widget = function( options, element ) { |
| 117 | + // allow instantiation without initializing for simple inheritance |
| 118 | + if ( arguments.length ) { |
| 119 | + this._createWidget( options, element ); |
| 120 | + } |
| 121 | +}; |
| 122 | + |
| 123 | +$.Widget.prototype = { |
| 124 | + widgetName: "widget", |
| 125 | + widgetEventPrefix: "", |
| 126 | + options: { |
| 127 | + disabled: false |
| 128 | + }, |
| 129 | + _createWidget: function( options, element ) { |
| 130 | + // $.widget.bridge stores the plugin instance, but we do it anyway |
| 131 | + // so that it's stored even before the _create function runs |
| 132 | + this.element = $( element ).data( this.widgetName, this ); |
| 133 | + this.options = $.extend( true, {}, |
| 134 | + this.options, |
| 135 | + $.metadata && $.metadata.get( element )[ this.widgetName ], |
| 136 | + options ); |
| 137 | + |
| 138 | + var self = this; |
| 139 | + this.element.bind( "remove." + this.widgetName, function() { |
| 140 | + self.destroy(); |
| 141 | + }); |
| 142 | + |
| 143 | + this._create(); |
| 144 | + this._init(); |
| 145 | + }, |
| 146 | + _create: function() {}, |
| 147 | + _init: function() {}, |
| 148 | + |
| 149 | + destroy: function() { |
| 150 | + this.element |
| 151 | + .unbind( "." + this.widgetName ) |
| 152 | + .removeData( this.widgetName ); |
| 153 | + this.widget() |
| 154 | + .unbind( "." + this.widgetName ) |
| 155 | + .removeAttr( "aria-disabled" ) |
| 156 | + .removeClass( |
| 157 | + this.widgetBaseClass + "-disabled " + |
| 158 | + this.namespace + "-state-disabled" ); |
| 159 | + }, |
| 160 | + |
| 161 | + widget: function() { |
| 162 | + return this.element; |
| 163 | + }, |
| 164 | + |
| 165 | + option: function( key, value ) { |
| 166 | + var options = key, |
| 167 | + self = this; |
| 168 | + |
| 169 | + if ( arguments.length === 0 ) { |
| 170 | + // don't return a reference to the internal hash |
| 171 | + return $.extend( {}, self.options ); |
| 172 | + } |
| 173 | + |
| 174 | + if (typeof key === "string" ) { |
| 175 | + if ( value === undefined ) { |
| 176 | + return this.options[ key ]; |
| 177 | + } |
| 178 | + options = {}; |
| 179 | + options[ key ] = value; |
| 180 | + } |
| 181 | + |
| 182 | + $.each( options, function( key, value ) { |
| 183 | + self._setOption( key, value ); |
| 184 | + }); |
| 185 | + |
| 186 | + return self; |
| 187 | + }, |
| 188 | + _setOption: function( key, value ) { |
| 189 | + this.options[ key ] = value; |
| 190 | + |
| 191 | + if ( key === "disabled" ) { |
| 192 | + this.widget() |
| 193 | + [ value ? "addClass" : "removeClass"]( |
| 194 | + this.widgetBaseClass + "-disabled" + " " + |
| 195 | + this.namespace + "-state-disabled" ) |
| 196 | + .attr( "aria-disabled", value ); |
| 197 | + } |
| 198 | + |
| 199 | + return this; |
| 200 | + }, |
| 201 | + |
| 202 | + enable: function() { |
| 203 | + return this._setOption( "disabled", false ); |
| 204 | + }, |
| 205 | + disable: function() { |
| 206 | + return this._setOption( "disabled", true ); |
| 207 | + }, |
| 208 | + |
| 209 | + _trigger: function( type, event, data ) { |
| 210 | + var callback = this.options[ type ]; |
| 211 | + |
| 212 | + event = $.Event( event ); |
| 213 | + event.type = ( type === this.widgetEventPrefix ? |
| 214 | + type : |
| 215 | + this.widgetEventPrefix + type ).toLowerCase(); |
| 216 | + data = data || {}; |
| 217 | + |
| 218 | + // copy original event properties over to the new event |
| 219 | + // this would happen if we could call $.event.fix instead of $.Event |
| 220 | + // but we don't have a way to force an event to be fixed multiple times |
| 221 | + if ( event.originalEvent ) { |
| 222 | + for ( var i = $.event.props.length, prop; i; ) { |
| 223 | + prop = $.event.props[ --i ]; |
| 224 | + event[ prop ] = event.originalEvent[ prop ]; |
| 225 | + } |
| 226 | + } |
| 227 | + |
| 228 | + this.element.trigger( event, data ); |
| 229 | + |
| 230 | + return !( $.isFunction(callback) && |
| 231 | + callback.call( this.element[0], event, data ) === false || |
| 232 | + event.isDefaultPrevented() ); |
| 233 | + } |
| 234 | +}; |
| 235 | + |
| 236 | +})( jQuery ); |
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