2008-12-30 02:40:04 +00:00
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var expando = "jQuery" + now(), uuid = 0, windowData = {};
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2009-09-15 07:59:53 +00:00
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var emptyObject = {};
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2008-12-30 02:40:04 +00:00
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jQuery.extend({
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cache: {},
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2009-09-14 22:34:04 +00:00
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expando:expando,
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2008-12-30 02:40:04 +00:00
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data: function( elem, name, data ) {
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elem = elem == window ?
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windowData :
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elem;
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2009-09-15 07:59:53 +00:00
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var id = elem[ expando ], cache = jQuery.cache, thisCache;
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2008-12-30 02:40:04 +00:00
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// Compute a unique ID for the element
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2009-07-16 07:32:31 +00:00
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if(!id) id = elem[ expando ] = ++uuid;
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2008-12-30 02:40:04 +00:00
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2009-09-15 07:59:53 +00:00
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// Handle the case where there's no name immediately
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if ( !name ) { return id; }
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// Avoid generating a new cache unless none exists and we
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// want to manipulate it.
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if( cache[ id ] )
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thisCache = cache[ id ];
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else if( typeof data === "undefined" )
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thisCache = emptyObject;
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else
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thisCache = cache[ id ] = {};
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2009-07-16 07:32:31 +00:00
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// Prevent overriding the named cache with undefined values
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if ( data !== undefined ) thisCache[ name ] = data;
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2009-07-16 07:32:25 +00:00
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2009-09-15 01:02:18 +00:00
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if(name === true) return thisCache;
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2009-09-15 07:59:53 +00:00
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else return thisCache[name];
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2008-12-30 02:40:04 +00:00
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},
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removeData: function( elem, name ) {
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elem = elem == window ?
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windowData :
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elem;
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2009-07-16 07:32:31 +00:00
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var id = elem[ expando ], cache = jQuery.cache, thisCache = cache[ id ];
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2008-12-30 02:40:04 +00:00
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// If we want to remove a specific section of the element's data
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if ( name ) {
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2009-07-16 07:32:31 +00:00
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if ( thisCache ) {
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2008-12-30 02:40:04 +00:00
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// Remove the section of cache data
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2009-07-16 07:32:31 +00:00
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delete thisCache[ name ];
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2008-12-30 02:40:04 +00:00
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// If we've removed all the data, remove the element's cache
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2009-07-16 07:32:31 +00:00
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if( jQuery.isEmptyObject(thisCache) )
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2008-12-30 02:40:04 +00:00
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jQuery.removeData( elem );
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}
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// Otherwise, we want to remove all of the element's data
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} else {
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// Clean up the element expando
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try {
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delete elem[ expando ];
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} catch(e){
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// IE has trouble directly removing the expando
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// but it's ok with using removeAttribute
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if ( elem.removeAttribute )
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elem.removeAttribute( expando );
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}
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// Completely remove the data cache
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2009-07-16 07:32:31 +00:00
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delete cache[ id ];
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2008-12-30 02:40:04 +00:00
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}
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},
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queue: function( elem, type, data ) {
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2009-07-16 07:32:39 +00:00
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if( !elem ) return;
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2009-03-23 01:55:17 +00:00
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2009-07-16 07:32:39 +00:00
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type = (type || "fx") + "queue";
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var q = jQuery.data( elem, type );
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2009-03-23 01:55:17 +00:00
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2009-07-16 07:32:39 +00:00
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// Speed up dequeue by getting out quickly if this is just a lookup
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if( !data ) return q || [];
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2009-03-23 01:55:17 +00:00
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2009-07-16 07:32:39 +00:00
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if ( !q || jQuery.isArray(data) )
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q = jQuery.data( elem, type, jQuery.makeArray(data) );
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else
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q.push( data );
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2009-03-23 01:55:17 +00:00
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2008-12-30 02:40:04 +00:00
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return q;
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},
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dequeue: function( elem, type ){
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2009-07-16 07:32:39 +00:00
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type = type || "fx";
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var queue = jQuery.queue( elem, type ), fn = queue.shift();
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2009-03-23 01:55:17 +00:00
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2009-07-16 07:32:39 +00:00
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// If the fx queue is dequeued, always remove the progress sentinel
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if( fn === "inprogress" ) fn = queue.shift();
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2009-03-23 01:55:17 +00:00
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2009-07-16 07:32:39 +00:00
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if( fn ) {
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// Add a progress sentinel to prevent the fx queue from being
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// automatically dequeued
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if( type == "fx" ) queue.unshift("inprogress");
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fn.call(elem, function() { jQuery.dequeue(elem, type); });
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}
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2009-07-13 19:24:44 +00:00
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}
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2008-12-30 02:40:04 +00:00
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});
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jQuery.fn.extend({
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data: function( key, value ){
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2009-07-16 07:32:25 +00:00
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if(typeof key === "undefined" && this.length) return jQuery.data(this[0], true);
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2008-12-30 02:40:04 +00:00
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var parts = key.split(".");
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parts[1] = parts[1] ? "." + parts[1] : "";
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if ( value === undefined ) {
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var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
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if ( data === undefined && this.length )
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data = jQuery.data( this[0], key );
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return data === undefined && parts[1] ?
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this.data( parts[0] ) :
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data;
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} else
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return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
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jQuery.data( this, key, value );
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});
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},
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removeData: function( key ){
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return this.each(function(){
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jQuery.removeData( this, key );
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});
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},
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queue: function(type, data){
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if ( typeof type !== "string" ) {
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data = type;
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type = "fx";
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}
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if ( data === undefined )
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return jQuery.queue( this[0], type );
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2009-07-13 22:21:40 +00:00
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return this.each(function(i, elem){
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2008-12-30 02:40:04 +00:00
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var queue = jQuery.queue( this, type, data );
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2009-03-23 01:55:17 +00:00
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2009-07-16 07:32:39 +00:00
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if( type == "fx" && queue[0] !== "inprogress" )
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jQuery.dequeue( this, type )
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2008-12-30 02:40:04 +00:00
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});
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},
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dequeue: function(type){
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return this.each(function(){
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jQuery.dequeue( this, type );
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});
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2009-07-12 15:14:01 +00:00
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},
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clearQueue: function(type){
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2009-07-13 22:21:40 +00:00
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return this.queue( type || "fx", [] );
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2008-12-30 02:40:04 +00:00
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}
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2008-12-30 02:43:14 +00:00
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});
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