X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=edd108906c9721b6eced51eb9809d67e9e597ab5;hb=8e53f7b5d6716e60d8c8ea7e167f2b187aae9d89;hp=a74f0fec9d69b7a6908bd21f913353019962691a;hpb=1a7f72e7fe96654838074f88c79e021d37c5c30a;p=jquery.git

diff --git a/src/core.js b/src/core.js
index a74f0fe..edd1089 100644
--- a/src/core.js
+++ b/src/core.js
@@ -1,9 +1,7 @@
 // Define a local copy of jQuery
 var jQuery = function( selector, context ) {
 		// The jQuery object is actually just the init constructor 'enhanced'
-		return arguments.length === 0 ?
-			rootjQuery :
-			new jQuery.fn.init( selector, context );
+		return new jQuery.fn.init( selector, context );
 	},
 
 	// Map over jQuery in case of overwrite
@@ -20,31 +18,55 @@ var jQuery = function( selector, context ) {
 
 	// A simple way to check for HTML strings or ID strings
 	// (both of which we optimize for)
-	quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
+	quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,
 
 	// Is it a simple selector
 	isSimple = /^.[^:#\[\.,]*$/,
 
-	// Keep a UserAgent string for use with jQuery.browser
-	userAgent = navigator.userAgent.toLowerCase(),
+	// Check if a string has a non-whitespace character in it
+	rnotwhite = /\S/,
+
+	// Used for trimming whitespace
+	rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g,
 
-	// Save a reference to the core toString method
-	toString = Object.prototype.toString;
+	// Match a standalone tag
+	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
 
-// Expose jQuery to the global object
-window.jQuery = window.$ = jQuery;
+	// Keep a UserAgent string for use with jQuery.browser
+	userAgent = navigator.userAgent,
+
+	// For matching the engine and version of the browser
+	browserMatch,
+	
+	// Has the ready events already been bound?
+	readyBound = false,
+	
+	// The functions to execute on DOM ready
+	readyList = [],
+
+	// The ready event handler
+	DOMContentLoaded,
+
+	// Save a reference to some core methods
+	toString = Object.prototype.toString,
+	hasOwnProperty = Object.prototype.hasOwnProperty,
+	push = Array.prototype.push,
+	slice = Array.prototype.slice,
+	indexOf = Array.prototype.indexOf;
 
 jQuery.fn = jQuery.prototype = {
 	init: function( selector, context ) {
-		var match, elem, ret;
+		var match, elem, ret, doc;
 
 		// Handle $(""), $(null), or $(undefined)
-		if ( !selector ) return this;
+		if ( !selector ) {
+			return this;
+		}
 
 		// Handle $(DOMElement)
 		if ( selector.nodeType ) {
 			this.context = this[0] = selector;
-			this.length++;
+			this.length = 1;
 			return this;
 		}
 
@@ -58,19 +80,39 @@ jQuery.fn = jQuery.prototype = {
 
 				// HANDLE: $(html) -> $(array)
 				if ( match[1] ) {
-					selector = jQuery.clean( [ match[1] ], context );
+					doc = (context ? context.ownerDocument || context : document);
+
+					// If a single string is passed in and it's a single tag
+					// just do a createElement and skip the rest
+					ret = rsingleTag.exec( selector );
+
+					if ( ret ) {
+						if ( jQuery.isPlainObject( context ) ) {
+							selector = [ document.createElement( ret[1] ) ];
+							jQuery.fn.attr.call( selector, context, true );
+
+						} else {
+							selector = [ doc.createElement( ret[1] ) ];
+						}
+
+					} else {
+						ret = buildFragment( [ match[1] ], [ doc ] );
+						selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes;
+					}
 
 				// HANDLE: $("#id")
 				} else {
-					elem = document.getElementById( match[3] );
+					elem = document.getElementById( match[2] );
 
 					if ( elem ) {
 						// Handle the case where IE and Opera return items
 						// by name instead of ID
-						if ( elem.id !== match[3] ) return rootjQuery.find( selector );
+						if ( elem.id !== match[2] ) {
+							return rootjQuery.find( selector );
+						}
 
 						// Otherwise, we inject the element directly into the jQuery object
-						this.length++;
+						this.length = 1;
 						this[0] = elem;
 					}
 
@@ -79,6 +121,12 @@ jQuery.fn = jQuery.prototype = {
 					return this;
 				}
 
+			// HANDLE: $("TAG")
+			} else if ( !context && /^\w+$/.test( selector ) ) {
+				this.selector = selector;
+				this.context = document;
+				selector = document.getElementsByTagName( selector );
+
 			// HANDLE: $(expr, $(...))
 			} else if ( !context || context.jquery ) {
 				return (context || rootjQuery).find( selector );
@@ -95,15 +143,14 @@ jQuery.fn = jQuery.prototype = {
 			return rootjQuery.ready( selector );
 		}
 
-		// Make sure that old selector state is passed along
-		if ( selector.selector && selector.context ) {
+		if (selector.selector !== undefined) {
 			this.selector = selector.selector;
 			this.context = selector.context;
 		}
 
-		return this.setArray(jQuery.isArray( selector ) ?
-			selector :
-			jQuery.makeArray(selector));
+		return jQuery.isArray( selector ) ?
+			this.setArray( selector ) :
+			jQuery.makeArray( selector, this );
 	},
 
 	// Start with an empty selector
@@ -120,7 +167,9 @@ jQuery.fn = jQuery.prototype = {
 		return this.length;
 	},
 
-	toArray: Array.prototype.slice,
+	toArray: function() {
+		return slice.call( this, 0 );
+	},
 
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
@@ -131,7 +180,7 @@ jQuery.fn = jQuery.prototype = {
 			this.toArray() :
 
 			// Return just the object
-			( num < 0 ? this.toArray(num)[ 0 ] : this[ num ] );
+			( num < 0 ? this.slice(num)[ 0 ] : this[ num ] );
 	},
 
 	// Take an array of elements and push it onto the stack
@@ -162,7 +211,7 @@ jQuery.fn = jQuery.prototype = {
 		// Resetting the length to 0, then using the native Array push
 		// is a super-fast way to populate an object with array-like properties
 		this.length = 0;
-		Array.prototype.push.apply( this, elems );
+		push.apply( this, elems );
 
 		return this;
 	},
@@ -173,29 +222,57 @@ jQuery.fn = jQuery.prototype = {
 	each: function( callback, args ) {
 		return jQuery.each( this, callback, args );
 	},
-
-	// Determine the position of an element within
-	// the matched set of elements
-	index: function( elem ) {
-		if ( !elem || typeof elem === "string" ) {
-			return jQuery.inArray( this[0],
-				// If it receives a string, the selector is used
-				// If it receives nothing, the siblings are used
-				elem ? jQuery( elem ) : this.parent().children() );
+	
+	ready: function( fn ) {
+		// Attach the listeners
+		jQuery.bindReady();
+
+		// If the DOM is already ready
+		if ( jQuery.isReady ) {
+			// Execute the function immediately
+			fn.call( document, jQuery );
+
+		// Otherwise, remember the function for later
+		} else if ( readyList ) {
+			// Add the function to the wait list
+			readyList.push( fn );
 		}
-		// Locate the position of the desired element
-		return jQuery.inArray(
-			// If it receives a jQuery object, the first element is used
-			elem.jquery ? elem[0] : elem, this );
+
+		return this;
+	},
+	
+	eq: function( i ) {
+		return i === -1 ?
+			this.slice( i ) :
+			this.slice( i, +i + 1 );
+	},
+
+	first: function() {
+		return this.eq( 0 );
+	},
+
+	last: function() {
+		return this.eq( -1 );
+	},
+
+	slice: function() {
+		return this.pushStack( slice.apply( this, arguments ),
+			"slice", slice.call(arguments).join(",") );
 	},
 
-	is: function( selector ) {
-		return !!selector && jQuery.multiFilter( selector, this ).length > 0;
+	map: function( callback ) {
+		return this.pushStack( jQuery.map(this, function( elem, i ) {
+			return callback.call( elem, i, elem );
+		}));
+	},
+	
+	end: function() {
+		return this.prevObject || jQuery(null);
 	},
 
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.
-	push: [].push,
+	push: push,
 	sort: [].sort,
 	splice: [].splice
 };
@@ -239,14 +316,10 @@ jQuery.extend = jQuery.fn.extend = function() {
 					continue;
 				}
 
-				// Recurse if we're merging object values
-				if ( deep && copy && typeof copy === "object" && !copy.nodeType ) {
-					var clone;
-
-					if( src ) clone = src;
-					else if( jQuery.isArray(copy) ) clone = [ ];
-					else if( jQuery.isObject(copy) ) clone = { };
-					else clone = copy;
+				// Recurse if we're merging object literal values or arrays
+				if ( deep && copy && ( jQuery.isPlainObject(copy) || jQuery.isArray(copy) ) ) {
+					var clone = src && ( jQuery.isPlainObject(src) || jQuery.isArray(src) ) ? src
+						: jQuery.isArray(copy) ? [] : {};
 
 					// Never move original objects, clone them
 					target[ name ] = jQuery.extend( deep, clone, copy );
@@ -273,6 +346,84 @@ jQuery.extend({
 
 		return jQuery;
 	},
+	
+	// Is the DOM ready to be used? Set to true once it occurs.
+	isReady: false,
+	
+	// Handle when the DOM is ready
+	ready: function() {
+		// Make sure that the DOM is not already loaded
+		if ( !jQuery.isReady ) {
+			// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
+			if ( !document.body ) {
+				return setTimeout( jQuery.ready, 13 );
+			}
+
+			// Remember that the DOM is ready
+			jQuery.isReady = true;
+
+			// If there are functions bound, to execute
+			if ( readyList ) {
+				// Execute all of them
+				var fn, i = 0;
+				while ( (fn = readyList[ i++ ]) ) {
+					fn.call( document, jQuery );
+				}
+
+				// Reset the list of functions
+				readyList = null;
+			}
+
+			// Trigger any bound ready events
+			if ( jQuery.fn.triggerHandler ) {
+				jQuery( document ).triggerHandler( "ready" );
+			}
+		}
+	},
+	
+	bindReady: function() {
+		if ( readyBound ) {
+			return;
+		}
+
+		readyBound = true;
+
+		// Catch cases where $(document).ready() is called after the
+		// browser event has already occurred.
+		if ( document.readyState === "complete" ) {
+			return jQuery.ready();
+		}
+
+		// Mozilla, Opera and webkit nightlies currently support this event
+		if ( document.addEventListener ) {
+			// Use the handy event callback
+			document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
+			
+			// A fallback to window.onload, that will always work
+			window.addEventListener( "load", jQuery.ready, false );
+
+		// If IE event model is used
+		} else if ( document.attachEvent ) {
+			// ensure firing before onload,
+			// maybe late but safe also for iframes
+			document.attachEvent("onreadystatechange", DOMContentLoaded);
+			
+			// A fallback to window.onload, that will always work
+			window.attachEvent( "onload", jQuery.ready );
+
+			// If IE and not a frame
+			// continually check to see if the document is ready
+			var toplevel = false;
+
+			try {
+				toplevel = window.frameElement == null;
+			} catch(e) {}
+
+			if ( document.documentElement.doScroll && toplevel ) {
+				doScrollCheck();
+			}
+		}
+	},
 
 	// See test/unit/core.js for details concerning isFunction.
 	// Since version 1.3, DOM methods and functions like alert
@@ -285,38 +436,56 @@ jQuery.extend({
 		return toString.call(obj) === "[object Array]";
 	},
 
-	isObject: function( obj ) {
-		return this.constructor.call(obj) === Object;
+	isPlainObject: function( obj ) {
+		// Must be an Object.
+		// Because of IE, we also have to check the presence of the constructor property.
+		// Make sure that DOM nodes and window objects don't pass through, as well
+		if ( !obj || toString.call(obj) !== "[object Object]" || obj.nodeType || obj.setInterval ) {
+			return false;
+		}
+		
+		// Not own constructor property must be Object
+		if ( obj.constructor
+			&& !hasOwnProperty.call(obj, "constructor")
+			&& !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
+			return false;
+		}
+		
+		// Own properties are enumerated firstly, so to speed up,
+		// if last one is own, then all properties are own.
+	
+		var key;
+		for ( key in obj ) {}
+		
+		return key === undefined || hasOwnProperty.call( obj, key );
 	},
 
 	isEmptyObject: function( obj ) {
-		for(var name in obj)
+		for ( var name in obj ) {
 			return false;
+		}
 		return true;
 	},
 
-	// check if an element is in a (or is an) XML document
-	isXMLDoc: function( elem ) {
-		return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
-			!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
-	},
+	noop: function() {},
 
 	// Evalulates a script in a global context
 	globalEval: function( data ) {
-		if ( data && /\S/.test(data) ) {
+		if ( data && rnotwhite.test(data) ) {
 			// Inspired by code by Andrea Giammarchi
 			// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
 			var head = document.getElementsByTagName("head")[0] || document.documentElement,
 				script = document.createElement("script");
 
 			script.type = "text/javascript";
+
 			if ( jQuery.support.scriptEval ) {
 				script.appendChild( document.createTextNode( data ) );
 			} else {
 				script.text = data;
 			}
 
-			// Use insertBefore instead of appendChild  to circumvent an IE6 bug.
+			// Use insertBefore instead of appendChild to circumvent an IE6 bug.
 			// This arises when a base node is used (#2709).
 			head.insertBefore( script, head.firstChild );
 			head.removeChild( script );
@@ -366,22 +535,21 @@ jQuery.extend({
 	},
 
 	trim: function( text ) {
-		return (text || "").replace( /^\s+|\s+$/g, "" );
+		return (text || "").replace( rtrim, "" );
 	},
 
-	makeArray: function( array ) {
-		var ret = [], i;
+	// results is for internal usage only
+	makeArray: function( array, results ) {
+		var ret = results || [];
 
 		if ( array != null ) {
-			i = array.length;
-
 			// The window, strings (and functions) also have 'length'
-			if ( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) {
-				ret[0] = array;
+			// The extra typeof function check is to prevent crashes
+			// in Safari 2 (See: #3039)
+			if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || (typeof array !== "function" && array.setInterval) ) {
+				push.call( ret, array );
 			} else {
-				while ( i ) {
-					ret[--i] = array[i];
-				}
+				jQuery.merge( ret, array );
 			}
 		}
 
@@ -389,6 +557,10 @@ jQuery.extend({
 	},
 
 	inArray: function( elem, array ) {
+		if ( array.indexOf ) {
+			return array.indexOf( elem );
+		}
+
 		for ( var i = 0, length = array.length; i < length; i++ ) {
 			if ( array[ i ] === elem ) {
 				return i;
@@ -399,45 +571,21 @@ jQuery.extend({
 	},
 
 	merge: function( first, second ) {
-		// We have to loop this way because IE & Opera overwrite the length
-		// expando of getElementsByTagName
-		var i = 0, elem, pos = first.length;
-
-		// Also, we need to make sure that the correct elements are being returned
-		// (IE returns comment nodes in a '*' query)
-		if ( !jQuery.support.getAll ) {
-			while ( (elem = second[ i++ ]) != null ) {
-				if ( elem.nodeType !== 8 ) {
-					first[ pos++ ] = elem;
-				}
-			}
+		var i = first.length, j = 0;
 
+		if ( typeof second.length === "number" ) {
+			for ( var l = second.length; j < l; j++ ) {
+				first[ i++ ] = second[ j ];
+			}
 		} else {
-			while ( (elem = second[ i++ ]) != null ) {
-				first[ pos++ ] = elem;
+			while ( second[j] !== undefined ) {
+				first[ i++ ] = second[ j++ ];
 			}
 		}
 
-		return first;
-	},
-
-	unique: function( array ) {
-		var ret = [], done = {}, id;
-
-		try {
-			for ( var i = 0, length = array.length; i < length; i++ ) {
-				id = jQuery.data( array[ i ] );
-
-				if ( !done[ id ] ) {
-					done[ id ] = true;
-					ret.push( array[ i ] );
-				}
-			}
-		} catch( e ) {
-			ret = array;
-		}
+		first.length = i;
 
-		return ret;
+		return first;
 	},
 
 	grep: function( elems, callback, inv ) {
@@ -454,13 +602,14 @@ jQuery.extend({
 		return ret;
 	},
 
-	map: function( elems, callback ) {
+	// arg is for internal usage only
+	map: function( elems, callback, arg ) {
 		var ret = [], value;
 
 		// Go through the array, translating each of the items to their
 		// new value (or values).
 		for ( var i = 0, length = elems.length; i < length; i++ ) {
-			value = callback( elems[ i ], i );
+			value = callback( elems[ i ], i, arg );
 
 			if ( value != null ) {
 				ret[ ret.length ] = value;
@@ -470,21 +619,127 @@ jQuery.extend({
 		return ret.concat.apply( [], ret );
 	},
 
-	// Use of jQuery.browser is deprecated.
-	// It's included for backwards compatibility and plugins,
-	// although they should work to migrate away.
-	browser: {
-		version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
-		safari: /webkit/.test( userAgent ),
-		opera: /opera/.test( userAgent ),
-		msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
-		mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
-	}
+	// A global GUID counter for objects
+	guid: 1,
+
+	proxy: function( fn, proxy, thisObject ) {
+		if ( arguments.length === 2 ) {
+			if ( typeof proxy === "string" ) {
+				thisObject = fn;
+				fn = thisObject[ proxy ];
+				proxy = undefined;
+
+			} else if ( proxy && !jQuery.isFunction( proxy ) ) {
+				thisObject = proxy;
+				proxy = undefined;
+			}
+		}
+
+		if ( !proxy && fn ) {
+			proxy = function() {
+				return fn.apply( thisObject || this, arguments );
+			};
+		}
+
+		// Set the guid of unique handler to the same of original handler, so it can be removed
+		if ( fn ) {
+			proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++;
+		}
+
+		// So proxy can be declared as an argument
+		return proxy;
+	},
+
+	// Use of jQuery.browser is frowned upon.
+	// More details: http://docs.jquery.com/Utilities/jQuery.browser
+	uaMatch: function( ua ) {
+		var ret = { browser: "" };
+
+		ua = ua.toLowerCase();
+
+		if ( /webkit/.test( ua ) ) {
+			ret = { browser: "webkit", version: /webkit[\/ ]([\w.]+)/ };
+
+		} else if ( /opera/.test( ua ) ) {
+			ret = { browser: "opera", version:  /version/.test( ua ) ? /version[\/ ]([\w.]+)/ : /opera[\/ ]([\w.]+)/ };
+			
+		} else if ( /msie/.test( ua ) ) {
+			ret = { browser: "msie", version: /msie ([\w.]+)/ };
+
+		} else if ( /mozilla/.test( ua ) && !/compatible/.test( ua ) ) {
+			ret = { browser: "mozilla", version: /rv:([\w.]+)/ };
+		}
+
+		ret.version = (ret.version && ret.version.exec( ua ) || [0, "0"])[1];
+
+		return ret;
+	},
+
+	browser: {}
 });
 
+browserMatch = jQuery.uaMatch( userAgent );
+if ( browserMatch.browser ) {
+	jQuery.browser[ browserMatch.browser ] = true;
+	jQuery.browser.version = browserMatch.version;
+}
+
+// Deprecated, use jQuery.browser.webkit instead
+if ( jQuery.browser.webkit ) {
+	jQuery.browser.safari = true;
+}
+
+if ( indexOf ) {
+	jQuery.inArray = function( elem, array ) {
+		return indexOf.call( array, elem );
+	};
+}
+
 // All jQuery objects should point back to these
 rootjQuery = jQuery(document);
 
+// Cleanup functions for the document ready method
+if ( document.addEventListener ) {
+	DOMContentLoaded = function() {
+		document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
+		jQuery.ready();
+	};
+
+} else if ( document.attachEvent ) {
+	DOMContentLoaded = function() {
+		// Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
+		if ( document.readyState === "complete" ) {
+			document.detachEvent( "onreadystatechange", DOMContentLoaded );
+			jQuery.ready();
+		}
+	};
+}
+
+// The DOM ready check for Internet Explorer
+function doScrollCheck() {
+	if ( jQuery.isReady ) {
+		return;
+	}
+
+	try {
+		// If IE is used, use the trick by Diego Perini
+		// http://javascript.nwbox.com/IEContentLoaded/
+		document.documentElement.doScroll("left");
+	} catch( error ) {
+		setTimeout( doScrollCheck, 1 );
+		return;
+	}
+
+	// and execute any waiting functions
+	jQuery.ready();
+}
+
+if ( indexOf ) {
+	jQuery.inArray = function( elem, array ) {
+		return indexOf.call( array, elem );
+	};
+}
+
 function evalScript( i, elem ) {
 	if ( elem.src ) {
 		jQuery.ajax({
@@ -501,6 +756,35 @@ function evalScript( i, elem ) {
 	}
 }
 
+// Mutifunctional method to get and set values to a collection
+// The value/s can be optionally by executed if its a function
+function access( elems, key, value, exec, fn, pass ) {
+	var length = elems.length;
+	
+	// Setting many attributes
+	if ( typeof key === "object" ) {
+		for ( var k in key ) {
+			access( elems, k, key[k], exec, fn, value );
+		}
+		return elems;
+	}
+	
+	// Setting one attribute
+	if ( value !== undefined ) {
+		// Optionally, function values get executed if exec is true
+		exec = !pass && exec && jQuery.isFunction(value);
+		
+		for ( var i = 0; i < length; i++ ) {
+			fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );
+		}
+		
+		return elems;
+	}
+	
+	// Getting an attribute
+	return length ? fn( elems[0], key ) : null;
+}
+
 function now() {
 	return (new Date).getTime();
 }