X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fcore.js;h=9312ee2889978aa3e3c8987a7d12df05f705953b;hb=d86c48679aeedf8a77ddc75b130f0babc6aa6336;hp=b9e6d816f07b261741b181b4fb8de684b7818ef4;hpb=1ca82ccd9489f11d3a8fbdd8a32b4c164ffaf483;p=jquery.git diff --git a/src/core.js b/src/core.js index b9e6d81..9312ee2 100644 --- a/src/core.js +++ b/src/core.js @@ -3,7 +3,7 @@ var jQuery = (function() { // Define a local copy of jQuery var jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' - return new jQuery.fn.init( selector, context ); + return new jQuery.fn.init( selector, context, rootjQuery ); }, // Map over jQuery in case of overwrite @@ -19,20 +19,13 @@ var jQuery = function( selector, context ) { // (both of which we optimize for) quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/, - // Is it a simple selector - isSimple = /^.[^:#\[\.,]*$/, - // Check if a string has a non-whitespace character in it rnotwhite = /\S/, - rwhite = /\s/, // Used for trimming whitespace trimLeft = /^\s+/, trimRight = /\s+$/, - // Check for non-word characters - rnonword = /\W/, - // Check for digits rdigit = /\d/, @@ -57,9 +50,6 @@ var jQuery = function( selector, context ) { // For matching the engine and version of the browser browserMatch, - // Has the ready events already been bound? - readyBound = false, - // The deferred used on DOM ready readyList, @@ -78,7 +68,8 @@ var jQuery = function( selector, context ) { class2type = {}; jQuery.fn = jQuery.prototype = { - init: function( selector, context ) { + constructor: jQuery, + init: function( selector, context, rootjQuery ) { var match, elem, ret, doc; // Handle $(""), $(null), or $(undefined) @@ -112,6 +103,7 @@ jQuery.fn = jQuery.prototype = { // HANDLE: $(html) -> $(array) if ( match[1] ) { + context = context instanceof jQuery ? context[0] : context; doc = (context ? context.ownerDocument || context : document); // If a single string is passed in and it's a single tag @@ -129,7 +121,7 @@ jQuery.fn = jQuery.prototype = { } else { ret = jQuery.buildFragment( [ match[1] ], [ doc ] ); - selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes; + selector = (ret.cacheable ? jQuery.clone(ret.fragment) : ret.fragment).childNodes; } return jQuery.merge( this, selector ); @@ -157,13 +149,6 @@ jQuery.fn = jQuery.prototype = { return this; } - // HANDLE: $("TAG") - } else if ( !context && !rnonword.test( selector ) ) { - this.selector = selector; - this.context = document; - selector = document.getElementsByTagName( selector ); - return jQuery.merge( this, selector ); - // HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return (context || rootjQuery).find( selector ); @@ -171,7 +156,7 @@ jQuery.fn = jQuery.prototype = { // HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { - return jQuery( context ).find( selector ); + return this.constructor( context ).find( selector ); } // HANDLE: $(function) @@ -222,7 +207,7 @@ jQuery.fn = jQuery.prototype = { // (returning the new matched element set) pushStack: function( elems, name, selector ) { // Build a new jQuery matched element set - var ret = jQuery(); + var ret = this.constructor(); if ( jQuery.isArray( elems ) ) { push.apply( ret, elems ); @@ -253,12 +238,14 @@ jQuery.fn = jQuery.prototype = { return jQuery.each( this, callback, args ); }, - ready: function() { + ready: function( fn ) { // Attach the listeners jQuery.bindReady(); - // Change ready & apply - return ( jQuery.fn.ready = readyList.done ).apply( this , arguments ); + // Add the callback + readyList.done( fn ); + + return this; }, eq: function( i ) { @@ -287,7 +274,7 @@ jQuery.fn = jQuery.prototype = { }, end: function() { - return this.prevObject || jQuery(null); + return this.prevObject || this.constructor(null); }, // For internal use only. @@ -301,7 +288,7 @@ jQuery.fn = jQuery.prototype = { jQuery.fn.init.prototype = jQuery.fn; jQuery.extend = jQuery.fn.extend = function() { - var options, name, src, copy, copyIsArray, clone, + var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, @@ -405,7 +392,7 @@ jQuery.extend({ } // If there are functions bound, to execute - readyList.fire( document , [ jQuery ] ); + readyList.resolveWith( document, [ jQuery ] ); // Trigger any bound ready events if ( jQuery.fn.trigger ) { @@ -415,11 +402,11 @@ jQuery.extend({ }, bindReady: function() { - if ( readyBound ) { + if ( readyList ) { return; } - readyBound = true; + readyList = jQuery._Deferred(); // Catch cases where $(document).ready() is called after the // browser event has already occurred. @@ -573,12 +560,10 @@ jQuery.extend({ 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"; + var head = document.head || document.getElementsByTagName( "head" )[0] || document.documentElement, + script = document.createElement( "script" ); - if ( jQuery.support.scriptEval ) { + if ( jQuery.support.scriptEval() ) { script.appendChild( document.createTextNode( data ) ); } else { script.text = data; @@ -801,151 +786,6 @@ jQuery.extend({ return (new Date()).getTime(); }, - // Create a simple deferred (one callbacks list) - _Deferred: function() { - - var // callbacks list - callbacks = [], - // stored [ context , args ] - fired, - // to avoid firing when already doing so - firing, - // flag to know if the deferred has been cancelled - cancelled, - // the deferred itself - deferred = { - - // done( f1, f2, ...) - done: function () { - - if ( ! cancelled ) { - - var args = arguments, - i, - length, - elem, - type, - _fired; - - if ( fired ) { - _fired = fired; - fired = 0; - } - - for ( i = 0, length = args.length ; i < length ; i++ ) { - elem = args[ i ]; - type = jQuery.type( elem ); - if ( type === "array" ) { - deferred.done.apply( deferred , elem ); - } else if ( type === "function" ) { - callbacks.push( elem ); - } - } - - if ( _fired ) { - deferred.fire( _fired[ 0 ] , _fired[ 1 ] ); - } - } - - return this; - }, - - // resolve with given context and args - fire: function( context , args ) { - if ( ! cancelled && ! fired && ! firing ) { - - firing = 1; - - try { - while( callbacks[ 0 ] ) { - callbacks.shift().apply( context , args ); - } - } - finally { - fired = [ context , args ]; - firing = 0; - } - } - return this; - }, - - // resolve with this as context and given arguments - resolve: function() { - deferred.fire( jQuery.isFunction( this.promise ) ? this.promise() : this , arguments ); - return this; - }, - - // Has this deferred been resolved? - isResolved: function() { - return !!( firing || fired ); - }, - - // Cancel - cancel: function() { - cancelled = 1; - callbacks = []; - return this; - } - }; - - return deferred; - }, - - // Full fledged deferred (two callbacks list) - // Typical success/error system - Deferred: function( func ) { - - var deferred = jQuery._Deferred(), - failDeferred = jQuery._Deferred(); - - // Add errorDeferred methods and redefine cancel - jQuery.extend( deferred , { - - then: function( doneCallbacks , failCallbacks ) { - deferred.done( doneCallbacks ).fail( failCallbacks ); - return this; - }, - fail: failDeferred.done, - fireReject: failDeferred.fire, - reject: failDeferred.resolve, - isRejected: failDeferred.isResolved, - // Get a promise for this deferred - // If obj is provided, the promise aspect is added to the object - promise: function( obj ) { - obj = obj || {}; - jQuery.each( "then done fail isResolved isRejected".split( " " ) , function( _ , method ) { - obj[ method ] = deferred[ method ]; - }); - obj.promise = function() { - return obj; - }; - return obj; - } - - } ); - - // Make sure only one callback list will be used - deferred.then( failDeferred.cancel , deferred.cancel ); - - // Unexpose cancel - delete deferred.cancel; - - // Call given func if any - if ( func ) { - func.call( deferred , deferred ); - } - - return deferred; - }, - - // Deferred helper - when: function( object ) { - object = object && jQuery.isFunction( object.promise ) ? - object : - jQuery.Deferred().resolve( object ); - return object.promise(); - }, - // Use of jQuery.browser is frowned upon. // More details: http://docs.jquery.com/Utilities/jQuery.browser uaMatch: function( ua ) { @@ -960,12 +800,30 @@ jQuery.extend({ return { browser: match[1] || "", version: match[2] || "0" }; }, + sub: function() { + function jQuerySubclass( selector, context ) { + return new jQuerySubclass.fn.init( selector, context ); + } + jQuery.extend( true, jQuerySubclass, this ); + jQuerySubclass.superclass = this; + jQuerySubclass.fn = jQuerySubclass.prototype = this(); + jQuerySubclass.fn.constructor = jQuerySubclass; + jQuerySubclass.subclass = this.subclass; + jQuerySubclass.fn.init = function init( selector, context ) { + if ( context && context instanceof jQuery && !(context instanceof jQuerySubclass) ) { + context = jQuerySubclass(context); + } + + return jQuery.fn.init.call( this, selector, context, rootjQuerySubclass ); + }; + jQuerySubclass.fn.init.prototype = jQuerySubclass.fn; + var rootjQuerySubclass = jQuerySubclass(document); + return jQuerySubclass; + }, + browser: {} }); -// Create readyList deferred -readyList = jQuery._Deferred(); - // Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); @@ -988,9 +846,8 @@ if ( indexOf ) { }; } -// Verify that \s matches non-breaking spaces -// (IE fails on this test) -if ( !rwhite.test( "\xA0" ) ) { +// IE doesn't match non-breaking spaces with \s +if ( rnotwhite.test( "\xA0" ) ) { trimLeft = /^[\s\xA0]+/; trimRight = /[\s\xA0]+$/; } @@ -1035,6 +892,6 @@ function doScrollCheck() { } // Expose jQuery to the global object -return (window.jQuery = window.$ = jQuery); +return jQuery; })();