X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=src%2Fcore.js;h=8c4c09b460682ad02c52d21d9c0def35b7956358;hp=b731eb839efc0060c25eda0846be3ed61f9b5a62;hb=434b87b8a233eb24ec773de801f3adb460fbd0f4;hpb=ab551c2b14ac6b0511cf3da10ca224ce461a0f10 diff --git a/src/core.js b/src/core.js index b731eb8..8c4c09b 100644 --- a/src/core.js +++ b/src/core.js @@ -9,6 +9,9 @@ * $Rev$ */ +// Will speed up references to window, and allows munging its name. +var window = this; + // Map over jQuery in case of overwrite var _jQuery = window.jQuery, // Map over the $ in case of overwrite @@ -24,7 +27,7 @@ var jQuery = window.jQuery = window.$ = function( selector, context ) { var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/, // Is it a simple selector - isSimple = /^.[^:#\[\.]*$/, + isSimple = /^.[^:#\[\.,]*$/, // Will speed up references to undefined, and allows munging its name. undefined; @@ -38,6 +41,7 @@ jQuery.fn = jQuery.prototype = { if ( selector.nodeType ) { this[0] = selector; this.length = 1; + this.context = selector; return this; } // Handle HTML strings @@ -64,7 +68,10 @@ jQuery.fn = jQuery.prototype = { return jQuery().find( selector ); // Otherwise, we inject the element directly into the jQuery object - return jQuery( elem ); + var ret = jQuery( elem ); + ret.context = document; + ret.selector = selector; + return ret; } selector = []; } @@ -77,11 +84,14 @@ jQuery.fn = jQuery.prototype = { // HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) - return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector ); + return jQuery( document ).ready( selector ); return this.setArray(jQuery.makeArray(selector)); }, + // Start with an empty selector + selector: "", + // The current version of jQuery being used jquery: "@VERSION", @@ -104,13 +114,20 @@ jQuery.fn = jQuery.prototype = { // Take an array of elements and push it onto the stack // (returning the new matched element set) - pushStack: function( elems ) { + pushStack: function( elems, name, selector ) { // Build a new jQuery matched element set var ret = jQuery( elems ); // Add the old object onto the stack (as a reference) ret.prevObject = this; + ret.context = this.context; + + if ( name === "find" ) + ret.selector = this.selector + (this.selector ? " " : "") + selector; + else if ( name ) + ret.selector = this.selector + "." + name + "(" + selector + ")"; + // Return the newly-formed element set return ret; }, @@ -137,8 +154,6 @@ jQuery.fn = jQuery.prototype = { // Determine the position of an element within // the matched set of elements index: function( elem ) { - var ret = -1; - // Locate the position of the desired element return jQuery.inArray( // If it receives a jQuery object, the first element is used @@ -229,27 +244,27 @@ jQuery.fn = jQuery.prototype = { }, append: function() { - return this.domManip(arguments, true, false, function(elem){ + return this.domManip(arguments, true, function(elem){ if (this.nodeType == 1) this.appendChild( elem ); }); }, prepend: function() { - return this.domManip(arguments, true, true, function(elem){ + return this.domManip(arguments, true, function(elem){ if (this.nodeType == 1) this.insertBefore( elem, this.firstChild ); }); }, before: function() { - return this.domManip(arguments, false, false, function(elem){ + return this.domManip(arguments, false, function(elem){ this.parentNode.insertBefore( elem, this ); }); }, after: function() { - return this.domManip(arguments, false, true, function(elem){ + return this.domManip(arguments, false, function(elem){ this.parentNode.insertBefore( elem, this.nextSibling ); }); }, @@ -265,13 +280,13 @@ jQuery.fn = jQuery.prototype = { return this.pushStack( /[^+>] [^+>]/.test( selector ) ? jQuery.unique( elems ) : - elems ); + elems, "find", selector ); }, clone: function( events ) { // Do the clone var ret = this.map(function(){ - if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) { + if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) { // IE copies events bound via attachEvent when // using cloneNode. Calling detachEvent on the // clone will also remove the events from the orignal @@ -319,14 +334,27 @@ jQuery.fn = jQuery.prototype = { return selector.call( elem, i ); }) || - jQuery.multiFilter( selector, this ) ); + jQuery.multiFilter( selector, jQuery.grep(this, function(elem){ + return elem.nodeType === 1; + }) ), "filter", selector ); + }, + + closest: function( selector ) { + return this.map(function(){ + var cur = this; + while ( cur && cur.ownerDocument ) { + if ( jQuery(cur).is(selector) ) + return cur; + cur = cur.parentNode; + } + }); }, not: function( selector ) { if ( typeof selector === "string" ) // test special case where just one selector is passed in if ( isSimple.test( selector ) ) - return this.pushStack( jQuery.multiFilter( selector, this, true ) ); + return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector ); else selector = jQuery.multiFilter( selector, this ); @@ -350,7 +378,7 @@ jQuery.fn = jQuery.prototype = { }, hasClass: function( selector ) { - return this.is( "." + selector ); + return !!selector && this.is( "." + selector ); }, val: function( value ) { @@ -444,7 +472,8 @@ jQuery.fn = jQuery.prototype = { }, slice: function() { - return this.pushStack( Array.prototype.slice.apply( this, arguments ) ); + return this.pushStack( Array.prototype.slice.apply( this, arguments ), + "slice", Array.prototype.slice.call(arguments).join(",") ); }, map: function( callback ) { @@ -457,69 +486,29 @@ 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 === 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 ); - }); - }, - - domManip: function( args, table, reverse, callback ) { - var clone = this.length > 1, elems; - - return this.each(function(){ - if ( !elems ) { - elems = jQuery.clean( args, this.ownerDocument ); - - if ( reverse ) - elems.reverse(); - } - - var obj = this; - - if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) ) - obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") ); - - var scripts = jQuery( [] ); - - jQuery.each(elems, function(){ - var elem = clone ? - jQuery( this ).clone( true )[0] : - this; - - // execute all scripts after the elements have been injected - if ( jQuery.nodeName( elem, "script" ) ) - scripts = scripts.add( elem ); - else { - // Remove any inner scripts for later evaluation - if ( elem.nodeType == 1 ) - scripts = scripts.add( jQuery( "script", elem ).remove() ); - - // Inject the elements into the document - callback.call( obj, elem ); - } - }); + domManip: function( args, table, callback ) { + if ( this[0] ) { + var fragment = this[0].ownerDocument.createDocumentFragment(), + scripts = jQuery.clean( args, this[0].ownerDocument, 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 ); + + if ( scripts ) + jQuery.each( scripts, evalScript ); + } - scripts.each( evalScript ); - }); + return this; + + function root( elem, cur ) { + return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ? + (elem.getElementsByTagName("tbody")[0] || + elem.appendChild(elem.ownerDocument.createElement("tbody"))) : + elem; + } } }; @@ -595,9 +584,8 @@ 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; @@ -640,10 +628,10 @@ jQuery.extend({ script = document.createElement("script"); script.type = "text/javascript"; - if ( jQuery.browser.msie ) - script.text = data; - else + if ( jQuery.support.scriptEval ) script.appendChild( document.createTextNode( data ) ); + else + script.text = data; // Use insertBefore instead of appendChild to circumvent an IE6 bug. // This arises when a base node is used (#2709). @@ -656,74 +644,6 @@ 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 ] : - 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; @@ -832,30 +752,14 @@ jQuery.extend({ curCSS: function( elem, name, force ) { var ret, style = elem.style; - // A helper method for determining if an element's values are broken - function color( elem ) { - if ( !jQuery.browser.safari ) - return false; - - // defaultView is cached - var ret = defaultView.getComputedStyle( elem, null ); - return !ret || ret.getPropertyValue("color") == ""; - } - // We need to handle opacity special in IE - if ( name == "opacity" && jQuery.browser.msie ) { + if ( name == "opacity" && !jQuery.support.opacity ) { ret = jQuery.attr( style, "opacity" ); return ret == "" ? "1" : ret; } - // Opera sometimes will give the wrong display answer, this fixes it, see #2037 - if ( jQuery.browser.opera && name == "display" ) { - var save = style.outline; - style.outline = "0 solid black"; - style.outline = save; - } // Make sure we're using the right name for getting the float value if ( name.match( /float/i ) ) @@ -874,38 +778,9 @@ jQuery.extend({ var computedStyle = defaultView.getComputedStyle( elem, null ); - if ( computedStyle && !color( elem ) ) + if ( computedStyle ) ret = computedStyle.getPropertyValue( name ); - // If the element isn't reporting its values properly in Safari - // then some display: none elements are involved - else { - var swap = [], stack = [], a = elem, i = 0; - - // Locate all of the parent display: none elements - for ( ; a && color(a); a = a.parentNode ) - stack.unshift(a); - - // Go through and make them visible, but in reverse - // (It would be better if we knew the exact display type that they had) - for ( ; i < stack.length; i++ ) - if ( color( stack[ i ] ) ) { - swap[ i ] = stack[ i ].style.display; - stack[ i ].style.display = "block"; - } - - // Since we flip the display style, we have to handle that - // one special, otherwise get the value - ret = name == "display" && swap[ stack.length - 1 ] != null ? - "none" : - ( computedStyle && computedStyle.getPropertyValue( name ) ) || ""; - - // Finally, revert the display styles back - for ( i = 0; i < swap.length; i++ ) - if ( swap[ i ] != null ) - stack[ i ].style.display = swap[ i ]; - } - // We should always get a number back from opacity if ( name == "opacity" && ret == "" ) ret = "1"; @@ -940,14 +815,23 @@ jQuery.extend({ return ret; }, - clean: function( elems, context ) { - var ret = []; + clean: function( elems, context, fragment ) { context = context || document; // !context.createElement fails in IE with an error but returns typeof 'object' - if ( context.createElement === undefined ) + 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+)\/?>$/.exec(elems[0]); + if ( match ) + return [ context.createElement( match[1] ) ]; + } + + var ret = [], scripts = [], div = context.createElement("div"); + jQuery.each(elems, function(i, elem){ if ( typeof elem === "number" ) elem += ''; @@ -965,7 +849,7 @@ jQuery.extend({ }); // Trim whitespace, otherwise indexOf won't work as expected - var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div"); + var tags = jQuery.trim( elem ).toLowerCase(); var wrap = // option or optgroup @@ -989,7 +873,7 @@ jQuery.extend({ [ 2, "", "
" ] || // IE can't serialize and