X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=ac8ec6bc4120aee64513035070ec777e609381fe;hb=9aa0c69c43bad9fce5ef7732692308afb2a38ec6;hp=09e6895856776e46594ad730c75d266e06a088f6;hpb=d37aeceb6974e013c2b15d4888fa84695c171422;p=jquery.git diff --git a/src/core.js b/src/core.js index 09e6895..ac8ec6b 100644 --- a/src/core.js +++ b/src/core.js @@ -1,33 +1,23 @@ -/* - * jQuery @VERSION - New Wave Javascript - * - * Copyright (c) 2008 John Resig (jquery.com) - * Dual licensed under the MIT (MIT-LICENSE.txt) - * and GPL (GPL-LICENSE.txt) licenses. - * - * $Date$ - * $Rev$ - */ - -// Map over jQuery in case of overwrite -var _jQuery = window.jQuery, -// Map over the $ in case of overwrite - _$ = window.$; - -var jQuery = window.jQuery = window.$ = function( selector, context ) { - // The jQuery object is actually just the init constructor 'enhanced' - return new jQuery.fn.init( selector, context ); -}; - -// A simple way to check for HTML strings or ID strings -// (both of which we optimize for) -var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/, - -// Is it a simple selector - isSimple = /^.[^:#\[\.]*$/, +var + // Will speed up references to window, and allows munging its name. + window = this, + // Will speed up references to undefined, and allows munging its name. + undefined, + // Map over jQuery in case of overwrite + _jQuery = window.jQuery, + // Map over the $ in case of overwrite + _$ = window.$, + + jQuery = window.jQuery = window.$ = function( selector, context ) { + // The jQuery object is actually just the init constructor 'enhanced' + return new jQuery.fn.init( selector, context ); + }, -// Will speed up references to undefined, and allows munging its name. - undefined; + // A simple way to check for HTML strings or ID strings + // (both of which we optimize for) + quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/, + // Is it a simple selector + isSimple = /^.[^:#\[\.,]*$/; jQuery.fn = jQuery.prototype = { init: function( selector, context ) { @@ -57,20 +47,16 @@ jQuery.fn = jQuery.prototype = { else { var elem = document.getElementById( match[3] ); - // Make sure an element was located - if ( elem ){ - // Handle the case where IE and Opera return items - // by name instead of ID - if ( elem.id != match[3] ) - return jQuery().find( selector ); - - // Otherwise, we inject the element directly into the jQuery object - var ret = jQuery( elem ); - ret.context = document; - ret.selector = selector; - return ret; - } - selector = []; + // Handle the case where IE and Opera return items + // by name instead of ID + if ( elem && elem.id != match[3] ) + return jQuery().find( selector ); + + // Otherwise, we inject the element directly into the jQuery object + var ret = jQuery( elem || [] ); + ret.context = document; + ret.selector = selector; + return ret; } // HANDLE: $(expr, [context]) @@ -83,6 +69,12 @@ jQuery.fn = jQuery.prototype = { } else if ( jQuery.isFunction( selector ) ) return jQuery( document ).ready( selector ); + // Make sure that old selector state is passed along + if ( selector.selector && selector.context ) { + this.selector = selector.selector; + this.context = selector.context; + } + return this.setArray(jQuery.makeArray(selector)); }, @@ -210,20 +202,22 @@ jQuery.fn = jQuery.prototype = { }, wrapAll: function( html ) { - if ( this[0] ) + if ( this[0] ) { // The elements to wrap the target around - jQuery( html, this[0].ownerDocument ) - .clone() - .insertBefore( this[0] ) - .map(function(){ - var elem = this; + var wrap = jQuery( html, this[0].ownerDocument ).clone(); + + if ( this[0].parentNode ) + wrap.insertBefore( this[0] ); - while ( elem.firstChild ) - elem = elem.firstChild; + wrap.map(function(){ + var elem = this; - return elem; - }) - .append(this); + while ( elem.firstChild ) + elem = elem.firstChild; + + return elem; + }).append(this); + } return this; }, @@ -270,14 +264,25 @@ jQuery.fn = jQuery.prototype = { return this.prevObject || jQuery( [] ); }, + // For internal use only. + // Behaves like an Array's .push method, not like a jQuery method. + push: [].push, + find: function( selector ) { - var elems = jQuery.map(this, function(elem){ - return jQuery.find( selector, elem ); - }); + if ( this.length === 1 && !/,/.test(selector) ) { + var ret = this.pushStack( [], "find", selector ); + ret.length = 0; + jQuery.find( selector, this[0], ret ); + return ret; + } else { + var elems = jQuery.map(this, function(elem){ + return jQuery.find( selector, elem ); + }); - return this.pushStack( /[^+>] [^+>]/.test( selector ) ? - jQuery.unique( elems ) : - elems, "find", selector ); + return this.pushStack( /[^+>] [^+>]/.test( selector ) ? + jQuery.unique( elems ) : + elems, "find", selector ); + } }, clone: function( events ) { @@ -292,33 +297,37 @@ jQuery.fn = jQuery.prototype = { // attributes in IE that are actually only stored // as properties will not be copied (such as the // the name attribute on an input). - var clone = this.cloneNode(true), - container = document.createElement("div"); - container.appendChild(clone); - return jQuery.clean([container.innerHTML])[0]; + var html = this.outerHTML; + if ( !html ) { + var div = this.ownerDocument.createElement("div"); + div.appendChild( this.cloneNode(true) ); + html = div.innerHTML; + } + + return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")])[0]; } else return this.cloneNode(true); }); - // Need to set the expando to null on the cloned set if it exists - // removeData doesn't work here, IE removes it from the original as well - // this is primarily for IE but the data expando shouldn't be copied over in any browser - var clone = ret.find("*").andSelf().each(function(){ - if ( this[ expando ] !== undefined ) - this[ expando ] = null; - }); - // Copy the events from the original to the clone - if ( events === true ) - this.find("*").andSelf().each(function(i){ - if (this.nodeType == 3) + if ( events === true ) { + var orig = this.find("*").andSelf(), i = 0; + + ret.find("*").andSelf().each(function(){ + if ( this.nodeName !== orig[i].nodeName ) return; - var events = jQuery.data( this, "events" ); - for ( var type in events ) - for ( var handler in events[ type ] ) - jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data ); + var events = jQuery.data( orig[i], "events" ); + + for ( var type in events ) { + for ( var handler in events[ type ] ) { + jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data ); + } + } + + i++; }); + } // Return the cloned set return ret; @@ -337,12 +346,18 @@ jQuery.fn = jQuery.prototype = { }, closest: function( selector ) { + var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null, + closer = 0; + return this.map(function(){ var cur = this; while ( cur && cur.ownerDocument ) { - if ( jQuery(cur).is(selector) ) + if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) { + jQuery.data(cur, "closest", closer); return cur; + } cur = cur.parentNode; + closer++; } }); }, @@ -455,7 +470,7 @@ jQuery.fn = jQuery.prototype = { html: function( value ) { return value === undefined ? (this[0] ? - this[0].innerHTML : + this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") : null) : this.empty().append( value ); }, @@ -483,38 +498,13 @@ jQuery.fn = jQuery.prototype = { return this.add( this.prevObject ); }, - 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 == null && 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 ); - }); - }, - domManip: function( args, table, callback ) { if ( this[0] ) { - var fragment = this[0].ownerDocument.createDocumentFragment(), - scripts = jQuery.clean( args, this[0].ownerDocument, fragment ), + var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(), + scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ), first = fragment.firstChild, extra = this.length > 1 ? fragment.cloneNode(true) : fragment; - + if ( first ) for ( var i = 0, l = this.length; i < l; i++ ) callback.call( root(this[i], first), i > 0 ? extra.cloneNode(true) : fragment ); @@ -606,9 +596,8 @@ jQuery.extend = jQuery.fn.extend = function() { return target; }; -var expando = "jQuery" + now(), uuid = 0, windowData = {}, - // exclude the following css properties to add px - exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i, +// exclude the following css properties to add px +var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i, // cache defaultView defaultView = document.defaultView || {}, toString = Object.prototype.toString; @@ -636,15 +625,13 @@ jQuery.extend({ // check if an element is in a (or is an) XML document isXMLDoc: function( elem ) { - return elem.documentElement && !elem.body || - elem.tagName && elem.ownerDocument && !elem.ownerDocument.body; + return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || + !!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument ); }, // Evalulates a script in a global context globalEval: function( data ) { - data = jQuery.trim( data ); - - if ( data ) { + if ( data && /\S/.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, @@ -667,74 +654,6 @@ jQuery.extend({ return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase(); }, - 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 ] || null : - 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 ]; - } - }, - // args is for internal usage only each: function( object, callback, args ) { var name, i = 0, length = object.length; @@ -795,7 +714,7 @@ jQuery.extend({ // internal only, use hasClass("class") has: function( elem, className ) { - return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1; + return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1; } }, @@ -913,6 +832,14 @@ jQuery.extend({ if ( typeof context.createElement === "undefined" ) context = context.ownerDocument || context[0] && context[0].ownerDocument || document; + // If a single string is passed in and it's a single tag + // just do a createElement and skip the rest + if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) { + var match = /^<(\w+)\s*\/?>$/.exec(elems[0]); + if ( match ) + return [ context.createElement( match[1] ) ]; + } + var ret = [], scripts = [], div = context.createElement("div"); jQuery.each(elems, function(i, elem){ @@ -932,7 +859,7 @@ jQuery.extend({ }); // Trim whitespace, otherwise indexOf won't work as expected - var tags = jQuery.trim( elem ).toLowerCase(); + var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase(); var wrap = // option or optgroup @@ -972,11 +899,12 @@ jQuery.extend({ if ( !jQuery.support.tbody ) { // String was a , *may* have spurious - var tbody = !tags.indexOf(" or - wrap[1] == "
" && tags.indexOf("" && !hasBody ? div.childNodes : []; @@ -990,15 +918,6 @@ jQuery.extend({ if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) ) div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild ); - if ( fragment ) { - var found = div.getElementsByTagName("script"); - - while ( found.length ) { - scripts.push( found[0] ); - found[0].parentNode.removeChild( found[0] ); - } - } - elem = jQuery.makeArray( div.childNodes ); } @@ -1009,19 +928,14 @@ jQuery.extend({ }); - // Clean up - div.innerHTML = ""; - if ( fragment ) { for ( var i = 0; ret[i]; i++ ) { - var node = ret[i]; - if ( jQuery.nodeName( node, "script" ) ) { - if( node.parentNode ) - node.parentNode.removeChild( node ); + if ( jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) { + scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] ); } else { - if ( node.nodeType === 1 ) - ret = jQuery.merge( ret, node.getElementsByTagName("script")); - fragment.appendChild( node ); + if ( ret[i].nodeType === 1 ) + ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) ); + fragment.appendChild( ret[i] ); } } @@ -1052,7 +966,7 @@ jQuery.extend({ // Safari mis-reports the default selected property of a hidden option // Accessing the parent's selectedIndex property fixes it - if ( name == "selected" ) + if ( name == "selected" && elem.parentNode ) elem.parentNode.selectedIndex; // If applicable, access the attribute via the DOM 0 way @@ -1069,6 +983,19 @@ jQuery.extend({ if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) ) return elem.getAttributeNode( name ).nodeValue; + // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set + // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ + if ( name == "tabIndex" ) { + var attributeNode = elem.getAttributeNode( "tabIndex" ); + return attributeNode && attributeNode.specified + ? attributeNode.value + : elem.nodeName.match(/(button|input|object|select|textarea)/i) + ? 0 + : elem.nodeName.match(/^(a|area)$/i) && elem.href + ? 0 + : undefined; + } + return elem[ name ]; } @@ -1228,9 +1155,6 @@ jQuery.browser = { mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent ) }; -// Check to see if the W3C box model is being used -jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat"; - jQuery.each({ parent: function(elem){return elem.parentNode;}, parents: function(elem){return jQuery.dir(elem,"parentNode");},