X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=9e36082cf2d7fb46dc0e26741eb7e30705caa0da;hb=a613a70fdb87163efa25a2d853cb9ed736d8cc39;hp=ac45d6275daee8119a535ff705dd15198afd2692;hpb=3a4e1233aa2acabee0d0267d54c2d1112fbdcad4;p=jquery.git diff --git a/src/core.js b/src/core.js index ac45d62..9e36082 100644 --- a/src/core.js +++ b/src/core.js @@ -1,1058 +1,1318 @@ -/* - * jQuery @VERSION - New Wave Javascript - * - * Copyright (c) 2007 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 -if ( typeof jQuery != "undefined" ) - var _jQuery = jQuery; - -var jQuery = window.jQuery = function(a,c) { - // If the context is global, return a new object - if ( window == this || !this.init ) - return new jQuery(a,c); - - return this.init(a,c); -}; - -// Map over the $ in case of overwrite -if ( typeof $ != "undefined" ) - var _$ = $; - -// Map the jQuery namespace to the '$' one -window.$ = jQuery; - -var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/; - -jQuery.fn = jQuery.prototype = { - init: function(a,c) { - // Make sure that a selection was provided - a = a || document; - - // Handle HTML strings - if ( typeof a == "string" ) { - var m = quickExpr.exec(a); - if ( m && (m[1] || !c) ) { - // HANDLE: $(html) -> $(array) - if ( m[1] ) - a = jQuery.clean( [ m[1] ], c ); - - // HANDLE: $("#id") - else { - var tmp = document.getElementById( m[3] ); - if ( tmp ) - // Handle the case where IE and Opera return items - // by name instead of ID - if ( tmp.id != m[3] ) - return jQuery().find( a ); - else { - this[0] = tmp; - this.length = 1; - return this; - } - else - a = []; - } - - // HANDLE: $(expr) - } else - return new jQuery( c ).find( a ); - - // HANDLE: $(function) - // Shortcut for document ready - } else if ( jQuery.isFunction(a) ) - return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a ); - - return this.setArray( - // HANDLE: $(array) - a.constructor == Array && a || - - // HANDLE: $(arraylike) - // Watch for when an array-like object is passed as the selector - (a.jquery || a.length && a != window && !a.nodeType && a[0] != undefined && a[0].nodeType) && jQuery.makeArray( a ) || - - // HANDLE: $(*) - [ a ] ); - }, - - jquery: "@VERSION", - - size: function() { - return this.length; - }, - - length: 0, - - get: function( num ) { - return num == undefined ? - - // Return a 'clean' array - jQuery.makeArray( this ) : - - // Return just the object - this[num]; - }, - - pushStack: function( a ) { - var ret = jQuery(a); - ret.prevObject = this; - return ret; - }, - - setArray: function( a ) { - this.length = 0; - Array.prototype.push.apply( this, a ); - return this; - }, - - each: function( fn, args ) { - return jQuery.each( this, fn, args ); - }, - - index: function( obj ) { - var pos = -1; - this.each(function(i){ - if ( this == obj ) pos = i; - }); - return pos; - }, - - attr: function( key, value, type ) { - var obj = key; - - // Look for the case where we're accessing a style value - if ( key.constructor == String ) - if ( value == undefined ) - return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined; - else { - obj = {}; - obj[ key ] = value; - } - - // Check to see if we're setting style values - return this.each(function(index){ - // Set all the styles - for ( var prop in obj ) - jQuery.attr( - type ? this.style : this, - prop, jQuery.prop(this, obj[prop], type, index, prop) - ); - }); - }, - - css: function( key, value ) { - return this.attr( key, value, "curCSS" ); - }, - - text: function(e) { - if ( typeof e != "object" && e != null ) - return this.empty().append( document.createTextNode( e ) ); - - var t = ""; - jQuery.each( e || this, function(){ - jQuery.each( this.childNodes, function(){ - if ( this.nodeType != 8 ) - t += this.nodeType != 1 ? - this.nodeValue : jQuery.fn.text([ this ]); - }); - }); - return t; - }, - - wrapAll: function(html) { - if ( this[0] ) - // The elements to wrap the target around - jQuery(html, this[0].ownerDocument) - .clone() - .insertBefore(this[0]) - .map(function(){ - var elem = this; - while ( elem.firstChild ) - elem = elem.firstChild; - return elem; - }) - .append(this); - - return this; - }, - - wrapInner: function(html) { - return this.each(function(){ - jQuery(this).contents().wrapAll(html); - }); - }, - - wrap: function(html) { - return this.each(function(){ - jQuery(this).wrapAll(html); - }); - }, - - append: function() { - return this.domManip(arguments, true, 1, function(a){ - this.appendChild( a ); - }); - }, - - prepend: function() { - return this.domManip(arguments, true, -1, function(a){ - this.insertBefore( a, this.firstChild ); - }); - }, - - before: function() { - return this.domManip(arguments, false, 1, function(a){ - this.parentNode.insertBefore( a, this ); - }); - }, - - after: function() { - return this.domManip(arguments, false, -1, function(a){ - this.parentNode.insertBefore( a, this.nextSibling ); - }); - }, - - end: function() { - return this.prevObject || jQuery([]); - }, - - find: function(t) { - var data = jQuery.map(this, function(a){ return jQuery.find(t,a); }); - return this.pushStack( /[^+>] [^+>]/.test( t ) || t.indexOf("..") > -1 ? - jQuery.unique( data ) : data ); - }, - - clone: function(events) { - // Do the clone - var ret = this.map(function(){ - return this.outerHTML ? jQuery(this.outerHTML)[0] : this.cloneNode(true); - }); - - if (events === true) { - var clone = ret.find("*").andSelf(); - - this.find("*").andSelf().each(function(i) { - 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); - }); - } - - // Return the cloned set - return ret; - }, - - filter: function(t) { - return this.pushStack( - jQuery.isFunction( t ) && - jQuery.grep(this, function(el, index){ - return t.apply(el, [index]); - }) || - - jQuery.multiFilter(t,this) ); - }, - - not: function(t) { - return this.pushStack( - t.constructor == String && - jQuery.multiFilter(t, this, true) || - - jQuery.grep(this, function(a) { - return ( t.constructor == Array || t.jquery ) - ? jQuery.inArray( a, t ) < 0 - : a != t; - }) - ); - }, - - add: function(t) { - return this.pushStack( jQuery.merge( - this.get(), - t.constructor == String ? - jQuery(t).get() : - t.length != undefined && (!t.nodeName || t.nodeName == "FORM") ? - t : [t] ) - ); - }, - - is: function(expr) { - return expr ? jQuery.multiFilter(expr,this).length > 0 : false; - }, - - hasClass: function(expr) { - return this.is("." + expr); - }, - - val: function( val ) { - if ( val == undefined ) { - if ( this.length ) { - var elem = this[0]; - - // We need to handle select boxes special if ( jQuery.nodeName(elem, "select") ) { var index = elem.selectedIndex, - a = [], - options = elem.options, - one = elem.type == "select-one"; - - // Nothing was selected if ( index < 0 ) +/* + * jQuery @VERSION - New Wave Javascript + * + * Copyright (c) 2007 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 +if ( window.jQuery ) + var _jQuery = window.jQuery; + +var jQuery = window.jQuery = function( selector, context ) { + // If the context is a namespace object, return a new object + return this instanceof jQuery ? + this.init( selector, context ) : + new jQuery( selector, context ); +}; + +// Map over the $ in case of overwrite +if ( window.$ ) + var _$ = window.$; + +// Map the jQuery namespace to the '$' one +window.$ = jQuery; + +// A simple way to check for HTML strings or ID strings +// (both of which we optimize for) +var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/; + +jQuery.fn = jQuery.prototype = { + init: function( selector, context ) { + // Make sure that a selection was provided + selector = selector || document; + + // Handle HTML strings + if ( typeof selector == "string" ) { + // Are we dealing with HTML string or an ID? + var match = quickExpr.exec( selector ); + + // Verify a match, and that no context was specified for #id + if ( match && (match[1] || !context) ) { + + // HANDLE: $(html) -> $(array) + if ( match[1] ) + selector = jQuery.clean( [ match[1] ], context ); + + // HANDLE: $("#id") + 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 + else { + this[0] = elem; + this.length = 1; + return this; + } + + else + selector = []; + } + + // HANDLE: $(expr, [context]) + // (which is just equivalent to: $(content).find(expr) + } else + return new jQuery( context ).find( selector ); + + // HANDLE: $(function) + // Shortcut for document ready + } else if ( jQuery.isFunction( selector ) ) + return new jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector ); + + return this.setArray( + // HANDLE: $(array) + selector.constructor == Array && selector || + + // HANDLE: $(arraylike) + // Watch for when an array-like object, contains DOM nodes, is passed in as the selector + (selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray( selector ) || + + // HANDLE: $(*) + [ selector ] ); + }, + + // The current version of jQuery being used + jquery: "@VERSION", + + // The number of elements contained in the matched element set + size: function() { + return this.length; + }, + + // The number of elements contained in the matched element set + length: 0, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function( num ) { + return num == undefined ? + + // Return a 'clean' array + jQuery.makeArray( this ) : + + // Return just the object + this[ num ]; + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function( elems ) { + // Build a new jQuery matched element set + var ret = jQuery( elems ); + + // Add the old object onto the stack (as a reference) + ret.prevObject = this; + + // Return the newly-formed element set + return ret; + }, + + // Force the current matched set of elements to become + // the specified array of elements (destroying the stack in the process) + // You should use pushStack() in order to do this, but maintain the stack + setArray: function( elems ) { + // 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 ); + + return this; + }, + + // Execute a callback for every element in the matched set. + // (You can seed the arguments with an array of args, but this is + // only used internally.) + 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 ) { + var ret = -1; + + // Locate the position of the desired element + this.each(function(i){ + if ( this == elem ) + ret = i; + }); + + return ret; + }, + + attr: function( name, value, type ) { + var options = name; + + // Look for the case where we're accessing a style value + if ( name.constructor == String ) + if ( value == undefined ) + return this.length && jQuery[ type || "attr" ]( this[0], name ) || undefined; + + else { + options = {}; + options[ name ] = value; + } + + // Check to see if we're setting style values + return this.each(function(i){ + // Set all the styles + for ( name in options ) + jQuery.attr( + type ? + this.style : + this, + name, jQuery.prop( this, options[ name ], type, i, name ) + ); + }); + }, + + css: function( key, value ) { + return this.attr( key, value, "curCSS" ); + }, + + text: function( text ) { + if ( typeof text != "object" && text != null ) + return this.empty().append( document.createTextNode( text ) ); + + var ret = ""; + + jQuery.each( text || this, function(){ + jQuery.each( this.childNodes, function(){ + if ( this.nodeType != 8 ) + ret += this.nodeType != 1 ? + this.nodeValue : + jQuery.fn.text( [ this ] ); + }); + }); + + return ret; + }, + + wrapAll: function( html ) { + if ( this[0] ) + // The elements to wrap the target around + jQuery( html, this[0].ownerDocument ) + .clone() + .insertBefore( this[0] ) + .map(function(){ + var elem = this; + + while ( elem.firstChild ) + elem = elem.firstChild; + + return elem; + }) + .append(this); + + return this; + }, + + wrapInner: function( html ) { + return this.each(function(){ + jQuery( this ).contents().wrapAll( html ); + }); + }, + + wrap: function( html ) { + return this.each(function(){ + jQuery( this ).wrapAll( html ); + }); + }, + + append: function() { + return this.domManip(arguments, true, false, function(elem){ + this.appendChild( elem ); + }); + }, + + prepend: function() { + return this.domManip(arguments, true, true, function(elem){ + this.insertBefore( elem, this.firstChild ); + }); + }, + + before: function() { + return this.domManip(arguments, false, false, function(elem){ + this.parentNode.insertBefore( elem, this ); + }); + }, + + after: function() { + return this.domManip(arguments, false, true, function(elem){ + this.parentNode.insertBefore( elem, this.nextSibling ); + }); + }, + + end: function() { + return this.prevObject || jQuery( [] ); + }, + + find: function( selector ) { + var elems = jQuery.map(this, function(elem){ + return jQuery.find( selector, elem ); + }); + + return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ? + jQuery.unique( elems ) : + elems ); + }, + + clone: function( events ) { + // Do the clone + var ret = this.map(function(){ + return this.outerHTML ? + jQuery( this.outerHTML )[0] : + 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){ + 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 ); + }); + + // Return the cloned set + return ret; + }, + + filter: function( selector ) { + return this.pushStack( + jQuery.isFunction( selector ) && + jQuery.grep(this, function(elem, i){ + return selector.call( elem, i ); + }) || + + jQuery.multiFilter( selector, this ) ); + }, + + not: function( selector ) { + return this.pushStack( + selector.constructor == String && + jQuery.multiFilter( selector, this, true ) || + + jQuery.grep(this, function(elem) { + return selector.constructor == Array || selector.jquery ? + jQuery.inArray( elem, selector ) < 0 : + elem != selector; + }) ); + }, + + add: function( selector ) { + return this.pushStack( jQuery.merge( + this.get(), + selector.constructor == String ? + jQuery( selector ).get() : + selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ? + selector : [selector] ) ); + }, + + is: function( selector ) { + return selector ? + jQuery.multiFilter( selector, this ).length > 0 : + false; + }, + + hasClass: function( selector ) { + return this.is( "." + selector ); + }, + + val: function( value ) { + if ( value == undefined ) { + + if ( this.length ) { + var elem = this[0]; + + // We need to handle select boxes special + if ( jQuery.nodeName( elem, "select" ) ) { + var index = elem.selectedIndex, + values = [], + options = elem.options, + one = elem.type == "select-one"; + + // Nothing was selected + if ( index < 0 ) return null; - - // Loop through all the selected options for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) { - var option = options[i]; if ( option.selected ) { // Get the specifc value for the option var val = jQuery.browser.msie && !option.attributes["value"].specified ? option.text : option.value; - - // We don't need an array for one selects if ( one ) - return val; - - // Multi-Selects return an array a.push(val); } } - return a; - - // Everything else, we just grab the value } else - return this[0].value.replace(/\r/g, ""); - } - } else - return this.attr( "value", val ); - }, - - html: function( val ) { - return val == undefined ? - ( this.length ? this[0].innerHTML : null ) : - this.empty().append( val ); - }, - - replaceWith: function( val ) { - return this.after( val ).remove(); - }, - - slice: function() { - return this.pushStack( Array.prototype.slice.apply( this, arguments ) ); - }, - - map: function(fn) { - return this.pushStack(jQuery.map( this, function(elem,i){ - return fn.call( elem, i, elem ); - })); - }, - - andSelf: function() { - return this.add( this.prevObject ); - }, - - domManip: function(args, table, dir, fn) { - var clone = this.length > 1, a; - - return this.each(function(){ - if ( !a ) { - a = jQuery.clean(args, this.ownerDocument); - if ( dir < 0 ) - a.reverse(); - } - - var obj = this; - - if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") ) - obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody")); - - jQuery.each( a, function(){ - if ( jQuery.nodeName(this, "script") ) { - if ( this.src ) - jQuery.ajax({ url: this.src, async: false, dataType: "script" }); - else - jQuery.globalEval( this.text || this.textContent || this.innerHTML || "" ); - } else - fn.apply( obj, [ clone ? this.cloneNode(true) : this ] ); - }); - }); - } -}; - -jQuery.extend = jQuery.fn.extend = function() { - // copy reference to target object - var target = arguments[0] || {}, a = 1, al = arguments.length, deep = false; - - // Handle a deep copy situation - if ( target.constructor == Boolean ) { - deep = target; - target = arguments[1] || {}; - } - - // extend jQuery itself if only one argument is passed - if ( al == 1 ) { - target = this; - a = 0; - } - - var prop; - - for ( ; a < al; a++ ) - // Only deal with non-null/undefined values - if ( (prop = arguments[a]) != null ) - // Extend the base object - for ( var i in prop ) { - // Prevent never-ending loop - if ( target == prop[i] ) - continue; - - // Recurse if we're merging object values - if ( deep && typeof prop[i] == 'object' && target[i] ) - jQuery.extend( target[i], prop[i] ); - - // Don't bring in undefined values - else if ( prop[i] != undefined ) - target[i] = prop[i]; - } - - // Return the modified object - return target; -}; - -var expando = "jQuery" + (new Date()).getTime(), uuid = 0; - -jQuery.extend({ - noConflict: function(deep) { - window.$ = _$; - if ( deep ) - window.jQuery = _jQuery; - return jQuery; - }, - - // This may seem like some crazy code, but trust me when I say that this - // is the only cross-browser way to do this. --John - isFunction: function( fn ) { - return !!fn && typeof fn != "string" && !fn.nodeName && - fn.constructor != Array && /function/i.test( fn + "" ); - }, - - // check if an element is in a XML document - isXMLDoc: function(elem) { - return elem.documentElement && !elem.body || - elem.tagName && elem.ownerDocument && !elem.ownerDocument.body; - }, - - // Evalulates a script in a global context - // Evaluates Async. in Safari 2 :-( - globalEval: function( data ) { - data = jQuery.trim( data ); - if ( data ) { - if ( window.execScript ) - window.execScript( data ); - else if ( jQuery.browser.safari ) - // safari doesn't provide a synchronous global eval - window.setTimeout( data, 0 ); - else - eval.call( window, data ); - } - }, - - nodeName: function( elem, name ) { - return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase(); - }, - - cache: {}, - - data: function( elem, name, data ) { - 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 ) { - var id = elem[ expando ]; - - // If we want to remove a specific section of the element's data - if ( name ) { - // 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 - elem.removeAttribute( expando ); - } - - // Completely remove the data cache - delete jQuery.cache[ id ]; - } - }, - - // args is for internal usage only - each: function( obj, fn, args ) { - if ( args ) { - if ( obj.length == undefined ) - for ( var i in obj ) - fn.apply( obj[i], args ); - else - for ( var i = 0, ol = obj.length; i < ol; i++ ) - if ( fn.apply( obj[i], args ) === false ) break; - - // A special, fast, case for the most common use of each - } else { - if ( obj.length == undefined ) - for ( var i in obj ) - fn.call( obj[i], i, obj[i] ); - else - for ( var i = 0, ol = obj.length, val = obj[0]; - i < ol && fn.call(val,i,val) !== false; val = obj[++i] ){} - } - - return obj; - }, - - prop: function(elem, value, type, index, prop){ - // Handle executable functions - if ( jQuery.isFunction( value ) ) - value = value.call( elem, [index] ); - - // exclude the following css properties to add px - var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i; - - // Handle passing in a number to a CSS property - return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ? - value + "px" : - value; - }, - - className: { - // internal only, use addClass("class") - add: function( elem, c ){ - jQuery.each( (c || "").split(/\s+/), function(i, cur){ - if ( !jQuery.className.has( elem.className, cur ) ) - elem.className += ( elem.className ? " " : "" ) + cur; - }); - }, - - // internal only, use removeClass("class") - remove: function( elem, c ){ - elem.className = c != undefined ? - jQuery.grep( elem.className.split(/\s+/), function(cur){ - return !jQuery.className.has( c, cur ); - }).join(" ") : ""; - }, - - // internal only, use is(".class") - has: function( t, c ) { - return jQuery.inArray( c, (t.className || t).toString().split(/\s+/) ) > -1; - } - }, - - swap: function(e,o,f) { - for ( var i in o ) { - e.style["old"+i] = e.style[i]; - e.style[i] = o[i]; - } - f.apply( e, [] ); - for ( var i in o ) - e.style[i] = e.style["old"+i]; - }, - - css: function(e,p) { - if ( p == "height" || p == "width" ) { - var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"]; - - jQuery.each( d, function(){ - old["padding" + this] = 0; - old["border" + this + "Width"] = 0; - }); - - jQuery.swap( e, old, function() { - if ( jQuery(e).is(':visible') ) { - oHeight = e.offsetHeight; - oWidth = e.offsetWidth; - } else { - e = jQuery(e.cloneNode(true)) - .find(":radio").removeAttr("checked").end() - .css({ - visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0" - }).appendTo(e.parentNode)[0]; - - var parPos = jQuery.css(e.parentNode,"position") || "static"; - if ( parPos == "static" ) - e.parentNode.style.position = "relative"; - - oHeight = e.clientHeight; - oWidth = e.clientWidth; - - if ( parPos == "static" ) - e.parentNode.style.position = "static"; - - e.parentNode.removeChild(e); - } - }); - - return p == "height" ? oHeight : oWidth; - } - - return jQuery.curCSS( e, p ); - }, - - curCSS: function(elem, prop, force) { - var ret, stack = [], swap = []; - - // A helper method for determining if an element's values are broken - function color(a){ - if ( !jQuery.browser.safari ) - return false; - - var ret = document.defaultView.getComputedStyle(a,null); - return !ret || ret.getPropertyValue("color") == ""; - } - - if (prop == "opacity" && jQuery.browser.msie) { - ret = jQuery.attr(elem.style, "opacity"); - return ret == "" ? "1" : ret; - } - - if (prop.match(/float/i)) - prop = styleFloat; - - if (!force && elem.style[prop]) - ret = elem.style[prop]; - - else if (document.defaultView && document.defaultView.getComputedStyle) { - - if (prop.match(/float/i)) - prop = "float"; - - prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase(); - var cur = document.defaultView.getComputedStyle(elem, null); - - if ( cur && !color(elem) ) - ret = cur.getPropertyValue(prop); - - // If the element isn't reporting its values properly in Safari - // then some display: none elements are involved - else { - // Locate all of the parent display: none elements - for ( var a = elem; a && color(a); a = a.parentNode ) - stack.unshift(a); - - // Go through and make them visible, but in reverse - // (It would be better if we knew the exact display type that they had) - for ( a = 0; a < stack.length; a++ ) - if ( color(stack[a]) ) { - swap[a] = stack[a].style.display; - stack[a].style.display = "block"; - } - - // Since we flip the display style, we have to handle that - // one special, otherwise get the value - ret = prop == "display" && swap[stack.length-1] != null ? - "none" : - document.defaultView.getComputedStyle(elem,null).getPropertyValue(prop) || ""; - - // Finally, revert the display styles back - for ( a = 0; a < swap.length; a++ ) - if ( swap[a] != null ) - stack[a].style.display = swap[a]; - } - - if ( prop == "opacity" && ret == "" ) - ret = "1"; - - } else if (elem.currentStyle) { - var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();}); - ret = elem.currentStyle[prop] || elem.currentStyle[newProp]; - - // From the awesome hack by Dean Edwards - // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291 - - // If we're not dealing with a regular pixel number - // but a number that has a weird ending, we need to convert it to pixels - if ( !/^\d+(px)?$/i.test(ret) && /^\d/.test(ret) ) { - var style = elem.style.left; - var runtimeStyle = elem.runtimeStyle.left; - elem.runtimeStyle.left = elem.currentStyle.left; - elem.style.left = ret || 0; - ret = elem.style.pixelLeft + "px"; - elem.style.left = style; - elem.runtimeStyle.left = runtimeStyle; - } - } - - return ret; - }, - - clean: function(a, doc) { - var r = []; - doc = doc || document; - - jQuery.each( a, function(i,arg){ - if ( !arg ) return; - - if ( arg.constructor == Number ) - arg = arg.toString(); - - // Convert html string into DOM nodes - if ( typeof arg == "string" ) { - // Fix "XHTML"-style tags in all browsers - arg = arg.replace(/(<(\w+)[^>]*?)\/>/g, function(m, all, tag){ - return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i)? m : all+">"; - }); - - // Trim whitespace, otherwise indexOf won't work as expected - var s = jQuery.trim(arg).toLowerCase(), div = doc.createElement("div"), tb = []; - - var wrap = - // option or optgroup - !s.indexOf("", ""] || - - !s.indexOf("", ""] || - - s.match(/^<(thead|tbody|tfoot|colg|cap)/) && - [1, "", "
"] || - - !s.indexOf("", ""] || - - // matched above - (!s.indexOf("", ""] || - - !s.indexOf("", ""] || - - // IE can't serialize and