X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fdata.js;h=0e243ca61d35f0b1e2d96df9ae88be4acb89e0c4;hb=9195107dbb13ad34ae4e9f7cb1df5d79e4748560;hp=3e6eb19f6d99e9bacb5048ee0f636a21b46e65f9;hpb=bbd933cbfe6d31a749cb336d7a84155ccfab247f;p=jquery.git diff --git a/src/data.js b/src/data.js index 3e6eb19..0e243ca 100644 --- a/src/data.js +++ b/src/data.js @@ -1,20 +1,30 @@ var expando = "jQuery" + now(), uuid = 0, windowData = {}; -var emptyObject = {}; jQuery.extend({ cache: {}, expando:expando, + // The following elements throw uncatchable exceptions if you + // attempt to add expando properties to them. + noData: { + "embed": true, + "object": true, + "applet": true + }, + data: function( elem, name, data ) { + if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) { + return; + } + elem = elem == window ? windowData : elem; var id = elem[ expando ], cache = jQuery.cache, thisCache; - // Handle the case where there's no name immediately - if ( !name && !id ) { + if ( !id && typeof name === "string" && data === undefined ) { return null; } @@ -25,24 +35,30 @@ jQuery.extend({ // Avoid generating a new cache unless none exists and we // want to manipulate it. - if ( cache[ id ] ) { - thisCache = cache[ id ]; - } else if ( typeof data === "undefined" ) { - thisCache = emptyObject; - } else { - thisCache = cache[ id ] = {}; + if ( typeof name === "object" ) { + elem[ expando ] = id; + thisCache = cache[ id ] = jQuery.extend(true, {}, name); + + } else if ( !cache[ id ] ) { + elem[ expando ] = id; + cache[ id ] = {}; } - + + thisCache = cache[ id ]; + // Prevent overriding the named cache with undefined values if ( data !== undefined ) { - elem[ expando ] = id; thisCache[ name ] = data; } - - return name ? thisCache[ name ] : thisCache; + + return typeof name === "string" ? thisCache[ name ] : thisCache; }, removeData: function( elem, name ) { + if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) { + return; + } + elem = elem == window ? windowData : elem; @@ -63,61 +79,25 @@ jQuery.extend({ // Otherwise, we want to remove all of the element's data } else { - // Clean up the element expando - try { + if ( jQuery.support.deleteExpando ) { delete elem[ expando ]; - } catch( e ) { - // IE has trouble directly removing the expando - // but it's ok with using removeAttribute - if ( elem.removeAttribute ) { - elem.removeAttribute( expando ); - } } // Completely remove the data cache delete cache[ id ]; } - }, - - queue: function( elem, type, data ) { - if ( !elem ) { return; } - - type = (type || "fx") + "queue"; - var q = jQuery.data( elem, type ); - - // Speed up dequeue by getting out quickly if this is just a lookup - if ( !data ) { return q || []; } - - if ( !q || jQuery.isArray(data) ) { - q = jQuery.data( elem, type, jQuery.makeArray(data) ); - } else { - q.push( data ); - } - return q; - }, - - dequeue: function( elem, type ){ - type = type || "fx"; - - var queue = jQuery.queue( elem, type ), fn = queue.shift(); - - // If the fx queue is dequeued, always remove the progress sentinel - if ( fn === "inprogress" ) { fn = queue.shift(); } - - if ( fn ) { - // Add a progress sentinel to prevent the fx queue from being - // automatically dequeued - if ( type == "fx" ) { queue.unshift("inprogress"); } - - fn.call(elem, function() { jQuery.dequeue(elem, type); }); - } } }); jQuery.fn.extend({ - data: function( key, value ){ + data: function( key, value ) { if ( typeof key === "undefined" && this.length ) { return jQuery.data( this[0] ); + + } else if ( typeof key === "object" ) { + return this.each(function() { + jQuery.data( this, key ); + }); } var parts = key.split("."); @@ -133,55 +113,15 @@ jQuery.fn.extend({ this.data( parts[0] ) : data; } else { - return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){ + return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function() { jQuery.data( this, key, value ); }); } }, - removeData: function( key ){ - return this.each(function(){ + removeData: function( key ) { + return this.each(function() { jQuery.removeData( this, key ); }); - }, - queue: function(type, data){ - if ( typeof type !== "string" ) { - data = type; - type = "fx"; - } - - if ( data === undefined ) { - return jQuery.queue( this[0], type ); - } - return this.each(function(i, elem){ - var queue = jQuery.queue( this, type, data ); - - if ( type == "fx" && queue[0] !== "inprogress" ) { - jQuery.dequeue( this, type ); - } - }); - }, - dequeue: function(type){ - return this.each(function(){ - jQuery.dequeue( this, type ); - }); - }, - - // Based off of the plugin by Clint Helfers, with permission. - // http://blindsignals.com/index.php/2009/07/jquery-delay/ - delay: function( time, type ) { - time = jQuery.fx ? jQuery.fx.speeds[time] || time : time; - type = type || "fx"; - - return this.queue( type, function() { - var elem = this; - setTimeout(function() { - jQuery.dequeue( elem, type ); - }, time ); - }); - }, - - clearQueue: function(type){ - return this.queue( type || "fx", [] ); } });