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leinfelder
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/*!
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* jQuery UI Widget 1.8.6
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*
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* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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*
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* http://docs.jquery.com/UI/Widget
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*/
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(function( $, undefined ) {
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// jQuery 1.4+
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if ( $.cleanData ) {
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var _cleanData = $.cleanData;
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$.cleanData = function( elems ) {
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for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
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$( elem ).triggerHandler( "remove" );
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}
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_cleanData( elems );
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};
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} else {
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var _remove = $.fn.remove;
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$.fn.remove = function( selector, keepData ) {
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return this.each(function() {
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if ( !keepData ) {
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if ( !selector || $.filter( selector, [ this ] ).length ) {
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$( "*", this ).add( [ this ] ).each(function() {
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$( this ).triggerHandler( "remove" );
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});
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}
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}
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return _remove.call( $(this), selector, keepData );
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});
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};
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}
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$.widget = function( name, base, prototype ) {
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var namespace = name.split( "." )[ 0 ],
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fullName;
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name = name.split( "." )[ 1 ];
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fullName = namespace + "-" + name;
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if ( !prototype ) {
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prototype = base;
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base = $.Widget;
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}
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// create selector for plugin
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$.expr[ ":" ][ fullName ] = function( elem ) {
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return !!$.data( elem, name );
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};
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$[ namespace ] = $[ namespace ] || {};
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$[ namespace ][ name ] = function( options, element ) {
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// allow instantiation without initializing for simple inheritance
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if ( arguments.length ) {
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this._createWidget( options, element );
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}
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};
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var basePrototype = new base();
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// we need to make the options hash a property directly on the new instance
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// otherwise we'll modify the options hash on the prototype that we're
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// inheriting from
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// $.each( basePrototype, function( key, val ) {
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// if ( $.isPlainObject(val) ) {
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// basePrototype[ key ] = $.extend( {}, val );
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// }
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// });
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basePrototype.options = $.extend( true, {}, basePrototype.options );
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$[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
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namespace: namespace,
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widgetName: name,
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widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
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widgetBaseClass: fullName
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}, prototype );
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$.widget.bridge( name, $[ namespace ][ name ] );
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};
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$.widget.bridge = function( name, object ) {
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$.fn[ name ] = function( options ) {
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var isMethodCall = typeof options === "string",
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args = Array.prototype.slice.call( arguments, 1 ),
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returnValue = this;
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// allow multiple hashes to be passed on init
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options = !isMethodCall && args.length ?
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$.extend.apply( null, [ true, options ].concat(args) ) :
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options;
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// prevent calls to internal methods
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if ( isMethodCall && options.charAt( 0 ) === "_" ) {
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return returnValue;
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}
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if ( isMethodCall ) {
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this.each(function() {
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var instance = $.data( this, name ),
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methodValue = instance && $.isFunction( instance[options] ) ?
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instance[ options ].apply( instance, args ) :
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instance;
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// TODO: add this back in 1.9 and use $.error() (see #5972)
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// if ( !instance ) {
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// throw "cannot call methods on " + name + " prior to initialization; " +
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// "attempted to call method '" + options + "'";
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// }
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// if ( !$.isFunction( instance[options] ) ) {
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// throw "no such method '" + options + "' for " + name + " widget instance";
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// }
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// var methodValue = instance[ options ].apply( instance, args );
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if ( methodValue !== instance && methodValue !== undefined ) {
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returnValue = methodValue;
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return false;
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}
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});
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} else {
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this.each(function() {
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var instance = $.data( this, name );
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if ( instance ) {
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instance.option( options || {} )._init();
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} else {
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$.data( this, name, new object( options, this ) );
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}
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});
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}
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return returnValue;
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};
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};
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$.Widget = function( options, element ) {
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// allow instantiation without initializing for simple inheritance
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if ( arguments.length ) {
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this._createWidget( options, element );
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}
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};
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$.Widget.prototype = {
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widgetName: "widget",
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widgetEventPrefix: "",
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options: {
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disabled: false
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},
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_createWidget: function( options, element ) {
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// $.widget.bridge stores the plugin instance, but we do it anyway
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// so that it's stored even before the _create function runs
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$.data( element, this.widgetName, this );
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this.element = $( element );
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this.options = $.extend( true, {},
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this.options,
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this._getCreateOptions(),
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options );
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var self = this;
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this.element.bind( "remove." + this.widgetName, function() {
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self.destroy();
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});
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this._create();
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this._trigger( "create" );
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this._init();
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},
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_getCreateOptions: function() {
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return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
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},
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_create: function() {},
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_init: function() {},
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destroy: function() {
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this.element
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.unbind( "." + this.widgetName )
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.removeData( this.widgetName );
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this.widget()
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.unbind( "." + this.widgetName )
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.removeAttr( "aria-disabled" )
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.removeClass(
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this.widgetBaseClass + "-disabled " +
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"ui-state-disabled" );
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},
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widget: function() {
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return this.element;
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},
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option: function( key, value ) {
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var options = key;
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if ( arguments.length === 0 ) {
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// don't return a reference to the internal hash
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return $.extend( {}, this.options );
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}
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if (typeof key === "string" ) {
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if ( value === undefined ) {
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return this.options[ key ];
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}
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options = {};
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options[ key ] = value;
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}
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this._setOptions( options );
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return this;
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},
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_setOptions: function( options ) {
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var self = this;
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$.each( options, function( key, value ) {
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self._setOption( key, value );
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});
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return this;
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},
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_setOption: function( key, value ) {
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this.options[ key ] = value;
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if ( key === "disabled" ) {
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this.widget()
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[ value ? "addClass" : "removeClass"](
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this.widgetBaseClass + "-disabled" + " " +
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"ui-state-disabled" )
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.attr( "aria-disabled", value );
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}
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return this;
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},
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enable: function() {
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return this._setOption( "disabled", false );
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},
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disable: function() {
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return this._setOption( "disabled", true );
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},
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_trigger: function( type, event, data ) {
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var callback = this.options[ type ];
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event = $.Event( event );
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event.type = ( type === this.widgetEventPrefix ?
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type :
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this.widgetEventPrefix + type ).toLowerCase();
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data = data || {};
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// copy original event properties over to the new event
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// this would happen if we could call $.event.fix instead of $.Event
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// but we don't have a way to force an event to be fixed multiple times
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if ( event.originalEvent ) {
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for ( var i = $.event.props.length, prop; i; ) {
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prop = $.event.props[ --i ];
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event[ prop ] = event.originalEvent[ prop ];
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}
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}
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this.element.trigger( event, data );
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return !( $.isFunction(callback) &&
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callback.call( this.element[0], event, data ) === false ||
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event.isDefaultPrevented() );
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}
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};
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})( jQuery );
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