X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fdata.js;h=4d1d1bd55615ba2944c9cfa9b44dbdd93c307f2d;hb=a8fa5f2ec1030bceb9a65d0237f0c92ae4e014dd;hp=5f2e5aee7b33f05a532b5d7940f308d9a3bcb325;hpb=a1ca9427eca113e6747e99a86b2283e3a6f63502;p=jquery.git

diff --git a/src/data.js b/src/data.js
index 5f2e5ae..4d1d1bd 100644
--- a/src/data.js
+++ b/src/data.js
@@ -1,145 +1,235 @@
-var expando = "jQuery" + now(), uuid = 0, windowData = {};
-
-jQuery.extend({
-	cache: {},
-
-	data: function( elem, name, data ) {
-		elem = elem == window ?
-			windowData :
-			elem;
-
-		var id = elem[ expando ];
-
-		// Compute a unique ID for the element
-		if ( !id )
-			id = elem[ expando ] = ++uuid;
-
-		// Only generate the data cache if we're
-		// trying to access or manipulate it
-		if ( name && !jQuery.cache[ id ] )
-			jQuery.cache[ id ] = {};
-
-		// Prevent overriding the named cache with undefined values
-		if ( data !== undefined )
-			jQuery.cache[ id ][ name ] = data;
-
-		// Return the named cache data, or the ID for the element
-		return name ?
-			jQuery.cache[ id ][ name ] :
-			id;
-	},
-
-	removeData: function( elem, name ) {
-		elem = elem == window ?
-			windowData :
-			elem;
-
-		var id = elem[ expando ];
-
-		// If we want to remove a specific section of the element's data
-		if ( name ) {
-			if ( jQuery.cache[ id ] ) {
-				// Remove the section of cache data
-				delete jQuery.cache[ id ][ name ];
-
-				// If we've removed all the data, remove the element's cache
-				name = "";
-
-				for ( name in jQuery.cache[ id ] )
-					break;
-
-				if ( !name )
-					jQuery.removeData( elem );
-			}
-
-		// Otherwise, we want to remove all of the element's data
-		} else {
-			// Clean up the element expando
-			try {
-				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 jQuery.cache[ id ];
-		}
-	},
-	queue: function( elem, type, data ) {
-		if ( elem ){
-	
-			type = (type || "fx") + "queue";
-	
-			var q = jQuery.data( elem, type );
-	
-			if ( !q || jQuery.isArray(data) )
-				q = jQuery.data( elem, type, jQuery.makeArray(data) );
-			else if( data )
-				q.push( data );
-	
-		}
-		return q;
-	},
-
-	dequeue: function( elem, type ){
-		var queue = jQuery.queue( elem, type ),
-			fn = queue.shift();
-		
-		if( !type || type === "fx" )
-			fn = queue[0];
-			
-		if( fn !== undefined )
-			fn.call(elem);
-	}
-});
-
-jQuery.fn.extend({
-	data: function( key, value ){
-		var parts = key.split(".");
-		parts[1] = parts[1] ? "." + parts[1] : "";
-
-		if ( value === undefined ) {
-			var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
-
-			if ( data === undefined && this.length )
-				data = jQuery.data( this[0], key );
-
-			return data === undefined && parts[1] ?
-				this.data( parts[0] ) :
-				data;
-		} else
-			return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
-				jQuery.data( this, key, value );
-			});
-	},
-
-	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(){
-			var queue = jQuery.queue( this, type, data );
-			
-			 if( type == "fx" && queue.length == 1 )
-				queue[0].call(this);
-		});
-	},
-	dequeue: function(type){
-		return this.each(function(){
-			jQuery.dequeue( this, type );
-		});
-	}
-});
\ No newline at end of file
+(function( jQuery ) {
+
+var windowData = {},
+	rbrace = /^(?:\{.*\}|\[.*\])$/;
+
+jQuery.extend({
+	cache: {},
+
+	// Please use with caution
+	uuid: 0,
+
+	// Unique for each copy of jQuery on the page
+	// Non-digits removed to match rinlinejQuery
+	expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),
+
+	// The following elements throw uncatchable exceptions if you
+	// attempt to add expando properties to them.
+	noData: {
+		"embed": true,
+		// Ban all objects except for Flash (which handle expandos)
+		"object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
+		"applet": true
+	},
+
+	hasData: function( elem ) {
+		if ( elem.nodeType ) {
+			elem = jQuery.cache[ elem[jQuery.expando] ];
+		}
+
+		return !!elem && !jQuery.isEmptyObject(elem);
+	},
+
+	data: function( elem, name, data ) {
+		if ( !jQuery.acceptData( elem ) ) {
+			return;
+		}
+
+		elem = elem == window ?
+			windowData :
+			elem;
+
+		var isNode = elem.nodeType,
+			id = isNode ? elem[ jQuery.expando ] : null,
+			cache = jQuery.cache, thisCache;
+
+		if ( isNode && !id && typeof name === "string" && data === undefined ) {
+			return;
+		}
+
+		// Get the data from the object directly
+		if ( !isNode ) {
+			cache = elem;
+
+		// Compute a unique ID for the element
+		} else if ( !id ) {
+			elem[ jQuery.expando ] = id = ++jQuery.uuid;
+		}
+
+		// Avoid generating a new cache unless none exists and we
+		// want to manipulate it.
+		if ( typeof name === "object" ) {
+			if ( isNode ) {
+				cache[ id ] = jQuery.extend(cache[ id ], name);
+
+			} else {
+				jQuery.extend( cache, name );
+			}
+
+		} else if ( isNode && !cache[ id ] ) {
+			cache[ id ] = {};
+		}
+
+		thisCache = isNode ? cache[ id ] : cache;
+
+		// Prevent overriding the named cache with undefined values
+		if ( data !== undefined ) {
+			thisCache[ name ] = data;
+		}
+
+		return typeof name === "string" ? thisCache[ name ] : thisCache;
+	},
+
+	removeData: function( elem, name ) {
+		if ( !jQuery.acceptData( elem ) ) {
+			return;
+		}
+
+		elem = elem == window ?
+			windowData :
+			elem;
+
+		var isNode = elem.nodeType,
+			id = isNode ? elem[ jQuery.expando ] : elem,
+			cache = jQuery.cache,
+			thisCache = isNode ? cache[ id ] : id;
+
+		// If we want to remove a specific section of the element's data
+		if ( name ) {
+			if ( thisCache ) {
+				// Remove the section of cache data
+				delete thisCache[ name ];
+
+				// If we've removed all the data, remove the element's cache
+				if ( isNode && jQuery.isEmptyObject(thisCache) ) {
+					jQuery.removeData( elem );
+				}
+			}
+
+		// Otherwise, we want to remove all of the element's data
+		} else {
+			if ( isNode && jQuery.support.deleteExpando ) {
+				delete elem[ jQuery.expando ];
+
+			} else if ( elem.removeAttribute ) {
+				elem.removeAttribute( jQuery.expando );
+
+			// Completely remove the data cache
+			} else if ( isNode ) {
+				delete cache[ id ];
+
+			// Remove all fields from the object
+			} else {
+				for ( var n in elem ) {
+					delete elem[ n ];
+				}
+			}
+		}
+	},
+
+	// A method for determining if a DOM node can handle the data expando
+	acceptData: function( elem ) {
+		if ( elem.nodeName ) {
+			var match = jQuery.noData[ elem.nodeName.toLowerCase() ];
+
+			if ( match ) {
+				return !(match === true || elem.getAttribute("classid") !== match);
+			}
+		}
+
+		return true;
+	}
+});
+
+jQuery.fn.extend({
+	data: function( key, value ) {
+		var data = null;
+
+		if ( typeof key === "undefined" ) {
+			if ( this.length ) {
+				data = jQuery.data( this[0] );
+
+				if ( this[0].nodeType === 1 ) {
+					var attr = this[0].attributes, name;
+					for ( var i = 0, l = attr.length; i < l; i++ ) {
+						name = attr[i].name;
+
+						if ( name.indexOf( "data-" ) === 0 ) {
+							name = name.substr( 5 );
+							dataAttr( this[0], name, data[ name ] );
+						}
+					}
+				}
+			}
+
+			return data;
+
+		} else if ( typeof key === "object" ) {
+			return this.each(function() {
+				jQuery.data( this, key );
+			});
+		}
+
+		var parts = key.split(".");
+		parts[1] = parts[1] ? "." + parts[1] : "";
+
+		if ( value === undefined ) {
+			data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
+
+			// Try to fetch any internally stored data first
+			if ( data === undefined && this.length ) {
+				data = jQuery.data( this[0], key );
+				data = dataAttr( this[0], key, data );
+			}
+
+			return data === undefined && parts[1] ?
+				this.data( parts[0] ) :
+				data;
+
+		} else {
+			return this.each(function() {
+				var $this = jQuery( this ),
+					args = [ parts[0], value ];
+
+				$this.triggerHandler( "setData" + parts[1] + "!", args );
+				jQuery.data( this, key, value );
+				$this.triggerHandler( "changeData" + parts[1] + "!", args );
+			});
+		}
+	},
+
+	removeData: function( key ) {
+		return this.each(function() {
+			jQuery.removeData( this, key );
+		});
+	}
+});
+
+function dataAttr( elem, key, data ) {
+	// If nothing was found internally, try to fetch any
+	// data from the HTML5 data-* attribute
+	if ( data === undefined && elem.nodeType === 1 ) {
+		data = elem.getAttribute( "data-" + key );
+
+		if ( typeof data === "string" ) {
+			try {
+				data = data === "true" ? true :
+				data === "false" ? false :
+				data === "null" ? null :
+				!jQuery.isNaN( data ) ? parseFloat( data ) :
+					rbrace.test( data ) ? jQuery.parseJSON( data ) :
+					data;
+			} catch( e ) {}
+
+			// Make sure we set the data so it isn't changed later
+			jQuery.data( elem, key, data );
+
+		} else {
+			data = undefined;
+		}
+	}
+
+	return data;
+}
+
+})( jQuery );