X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=27cdbfe1fff23610a704304a660a01a39513cf02;hb=da76a723e14c037d59e830bb0d01b0b627286020;hp=f36edefa3469c4c33cd618075dc88d23dbe4666d;hpb=77da94552e94925e990d058ed81419d0835747ce;p=jquery.git diff --git a/src/core.js b/src/core.js index f36edef..27cdbfe 100644 --- a/src/core.js +++ b/src/core.js @@ -10,27 +10,24 @@ */ // Map over jQuery in case of overwrite -if ( window.jQuery ) - var _jQuery = window.jQuery; +var _jQuery = window.jQuery, +// Map over the $ in case of overwrite + _$ = window.$; -var jQuery = window.jQuery = function( selector, context ) { +var jQuery = window.jQuery = window.$ = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' - return new jQuery.prototype.init( selector, context ); + return new jQuery.fn.init( 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)+>)[^>]*$|^#(\w+)$/; +var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/, // Is it a simple selector -var isSimple = /^.[^:#\[\.]*$/; + isSimple = /^.[^:#\[\.]*$/, + +// Will speed up references to undefined, and allows munging its name. + undefined; jQuery.fn = jQuery.prototype = { init: function( selector, context ) { @@ -42,9 +39,9 @@ jQuery.fn = jQuery.prototype = { this[0] = selector; this.length = 1; return this; - + } // Handle HTML strings - } else if ( typeof selector == "string" ) { + if ( typeof selector == "string" ) { // Are we dealing with HTML string or an ID? var match = quickExpr.exec( selector ); @@ -60,45 +57,31 @@ jQuery.fn = jQuery.prototype = { var elem = document.getElementById( match[3] ); // Make sure an element was located - if ( elem ) + 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 = []; + return jQuery( elem ); + } + selector = []; } // HANDLE: $(expr, [context]) // (which is just equivalent to: $(content).find(expr) } else - return new jQuery( context ).find( selector ); + return 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 ) || + return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector ); - // HANDLE: $(*) - [ selector ] ); + return this.setArray(jQuery.makeArray(selector)); }, - + // The current version of jQuery being used jquery: "@VERSION", @@ -106,7 +89,7 @@ jQuery.fn = jQuery.prototype = { size: function() { return this.length; }, - + // The number of elements contained in the matched element set length: 0, @@ -121,7 +104,7 @@ jQuery.fn = jQuery.prototype = { // 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 ) { @@ -134,7 +117,7 @@ jQuery.fn = jQuery.prototype = { // 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 @@ -143,7 +126,7 @@ jQuery.fn = jQuery.prototype = { // is a super-fast way to populate an object with array-like properties this.length = 0; Array.prototype.push.apply( this, elems ); - + return this; }, @@ -154,33 +137,31 @@ jQuery.fn = jQuery.prototype = { return jQuery.each( this, callback, args ); }, - // Determine the position of an element within + // 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; + return jQuery.inArray( + // If it receives a jQuery object, the first element is used + elem && elem.jquery ? elem[0] : elem + , this ); }, 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; + if ( value === undefined ) + return this[0] && jQuery[ type || "attr" ]( this[0], name ); else { options = {}; options[ name ] = value; } - + // Check to see if we're setting style values return this.each(function(i){ // Set all the styles @@ -263,7 +244,7 @@ jQuery.fn = jQuery.prototype = { this.insertBefore( elem, this.firstChild ); }); }, - + before: function() { return this.domManip(arguments, false, false, function(elem){ this.parentNode.insertBefore( elem, this ); @@ -298,8 +279,8 @@ jQuery.fn = jQuery.prototype = { // using cloneNode. Calling detachEvent on the // clone will also remove the events from the orignal // In order to get around this, we use innerHTML. - // Unfortunately, this means some modifications to - // attributes in IE that are actually only stored + // Unfortunately, this means some modifications to + // 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), @@ -317,7 +298,7 @@ jQuery.fn = jQuery.prototype = { 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){ @@ -359,24 +340,22 @@ jQuery.fn = jQuery.prototype = { }, add: function( selector ) { - return !selector ? this : this.pushStack( jQuery.merge( + return this.pushStack( jQuery.unique( jQuery.merge( this.get(), - selector.constructor == String ? - jQuery( selector ).get() : - selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ? - selector : [selector] ) ); + typeof selector == 'string' ? + jQuery( selector ) : + jQuery.makeArray( selector ) + ))); }, is: function( selector ) { - return selector ? - jQuery.multiFilter( selector, this ).length > 0 : - false; + return !!selector && jQuery.multiFilter( selector, this ).length > 0; }, hasClass: function( selector ) { return this.is( "." + selector ); }, - + val: function( value ) { if ( value == undefined ) { @@ -389,7 +368,7 @@ jQuery.fn = jQuery.prototype = { values = [], options = elem.options, one = elem.type == "select-one"; - + // Nothing was selected if ( index < 0 ) return null; @@ -401,18 +380,18 @@ jQuery.fn = jQuery.prototype = { if ( option.selected ) { // Get the specifc value for the option value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value; - + // We don't need an array for one selects if ( one ) return value; - + // Multi-Selects return an array values.push( value ); } } - + return values; - + // Everything else, we just grab the value } else return (this[0].value || "").replace(/\r/g, ""); @@ -447,7 +426,7 @@ jQuery.fn = jQuery.prototype = { this.value = value; }); }, - + html: function( value ) { return value == undefined ? (this.length ? @@ -479,15 +458,20 @@ jQuery.fn = jQuery.prototype = { }, data: function( key, value ){ - if ( value == null ) { - if ( this.length ) { - var data = jQuery.data( this[0], key ); - return data == null ? - jQuery.data( this[0], key.split(".")[0] ) : - data; - } + 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("set-" + key + "!", [value]).each(function(){ + return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){ jQuery.data( this, key, value ); }); }, @@ -497,9 +481,9 @@ jQuery.fn = jQuery.prototype = { jQuery.removeData( this, key ); }); }, - + domManip: function( args, table, reverse, callback ) { - var clone = this.length > 1, elems; + var clone = this.length > 1, elems; return this.each(function(){ if ( !elems ) { @@ -540,7 +524,7 @@ jQuery.fn = jQuery.prototype = { }; // Give the init function the jQuery prototype for later instantiation -jQuery.prototype.init.prototype = jQuery.prototype; +jQuery.fn.init.prototype = jQuery.fn; function evalScript( i, elem ) { if ( elem.src ) @@ -557,6 +541,10 @@ function evalScript( i, elem ) { elem.parentNode.removeChild( elem ); } +function now(){ + return +new Date; +} + jQuery.extend = jQuery.fn.extend = function() { // copy reference to target object var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options; @@ -574,9 +562,9 @@ jQuery.extend = jQuery.fn.extend = function() { target = {}; // extend jQuery itself if only one argument is passed - if ( length == 1 ) { + if ( length == i ) { target = this; - i = 0; + --i; } for ( ; i < length; i++ ) @@ -584,17 +572,22 @@ jQuery.extend = jQuery.fn.extend = function() { if ( (options = arguments[ i ]) != null ) // Extend the base object for ( var name in options ) { + var src = target[ name ], copy = options[ name ]; + // Prevent never-ending loop - if ( target === options[ name ] ) + if ( target === copy ) continue; // Recurse if we're merging object values - if ( deep && options[ name ] && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType ) - target[ name ] = jQuery.extend( target[ name ], options[ name ] ); + if ( deep && copy && typeof copy == "object" && !copy.nodeType ) + target[ name ] = jQuery.extend( deep, + // Never move original objects, clone them + src || ( copy.length != null ? [ ] : { } ) + , copy ); // Don't bring in undefined values - else if ( options[ name ] != undefined ) - target[ name ] = options[ name ]; + else if ( copy !== undefined ) + target[ name ] = copy; } @@ -602,10 +595,11 @@ jQuery.extend = jQuery.fn.extend = function() { return target; }; -var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {}; - -// exclude the following css properties to add px -var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i; +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, + // cache defaultView + defaultView = document.defaultView || {}; jQuery.extend({ noConflict: function( deep ) { @@ -619,10 +613,10 @@ jQuery.extend({ // See test/unit/core.js for details concerning this function. isFunction: function( fn ) { - return !!fn && typeof fn != "string" && !fn.nodeName && - fn.constructor != Array && /function/i.test( fn + "" ); + return !!fn && typeof fn != "string" && !fn.nodeName && + fn.constructor != Array && /^[\s[]?function/.test( fn + "" ); }, - + // check if an element is in a (or is an) XML document isXMLDoc: function( elem ) { return elem.documentElement && !elem.body || @@ -653,9 +647,9 @@ jQuery.extend({ nodeName: function( elem, name ) { return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase(); }, - + cache: {}, - + data: function( elem, name, data ) { elem = elem == window ? windowData : @@ -664,24 +658,24 @@ jQuery.extend({ var id = elem[ expando ]; // Compute a unique ID for the element - if ( !id ) + 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 ) + if ( data !== undefined ) jQuery.cache[ id ][ name ] = data; - - // Return the named cache data, or the ID for the element + + // 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 : @@ -724,35 +718,37 @@ jQuery.extend({ // args is for internal usage only each: function( object, callback, args ) { + var name, i = 0, length = object.length; + if ( args ) { - if ( object.length == undefined ) { - for ( var name in object ) + if ( length == undefined ) { + for ( name in object ) if ( callback.apply( object[ name ], args ) === false ) break; } else - for ( var i = 0, length = object.length; i < length; i++ ) - if ( callback.apply( object[ i ], args ) === false ) + for ( ; i < length; ) + if ( callback.apply( object[ i++ ], args ) === false ) break; // A special, fast, case for the most common use of each } else { - if ( object.length == undefined ) { - for ( var name in object ) + if ( length == undefined ) { + for ( name in object ) if ( callback.call( object[ name ], name, object[ name ] ) === false ) break; } else - for ( var i = 0, length = object.length, value = object[0]; + for ( var value = object[0]; i < length && callback.call( value, i, value ) !== false; value = object[++i] ){} } return object; }, - + prop: function( elem, value, type, i, name ) { // Handle executable functions if ( jQuery.isFunction( value ) ) value = value.call( elem, i ); - + // Handle passing in a number to a CSS property return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ? value + "px" : @@ -773,12 +769,12 @@ jQuery.extend({ if (elem.nodeType == 1) elem.className = classNames != undefined ? jQuery.grep(elem.className.split(/\s+/), function(className){ - return !jQuery.className.has( classNames, className ); + return !jQuery.className.has( classNames, className ); }).join(" ") : ""; }, - // internal only, use is(".class") + // internal only, use hasClass("class") has: function( elem, className ) { return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1; } @@ -803,7 +799,7 @@ jQuery.extend({ css: function( elem, name, force ) { if ( name == "width" || name == "height" ) { var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ]; - + function getWH() { val = name == "width" ? elem.offsetWidth : elem.offsetHeight; var padding = 0, border = 0; @@ -813,33 +809,34 @@ jQuery.extend({ }); val -= Math.round(padding + border); } - + if ( jQuery(elem).is(":visible") ) getWH(); else jQuery.swap( elem, props, getWH ); - + return Math.max(0, val); } - + return jQuery.curCSS( elem, name, force ); }, curCSS: function( elem, name, force ) { - var ret; + 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; - var ret = document.defaultView.getComputedStyle( elem, null ); + // 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 ) { - ret = jQuery.attr( elem.style, "opacity" ); + ret = jQuery.attr( style, "opacity" ); return ret == "" ? "1" : @@ -847,19 +844,19 @@ jQuery.extend({ } // Opera sometimes will give the wrong display answer, this fixes it, see #2037 if ( jQuery.browser.opera && name == "display" ) { - var save = elem.style.display; - elem.style.display = "block"; - elem.style.display = save; + 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 ) ) name = styleFloat; - if ( !force && elem.style && elem.style[ name ] ) - ret = elem.style[ name ]; + if ( !force && style && style[ name ] ) + ret = style[ name ]; - else if ( document.defaultView && document.defaultView.getComputedStyle ) { + else if ( defaultView.getComputedStyle ) { // Only "float" is needed here if ( name.match( /float/i ) ) @@ -867,23 +864,23 @@ jQuery.extend({ name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase(); - var getComputedStyle = document.defaultView.getComputedStyle( elem, null ); + var computedStyle = defaultView.getComputedStyle( elem, null ); - if ( getComputedStyle && !color( elem ) ) - ret = getComputedStyle.getPropertyValue( name ); + if ( computedStyle && !color( elem ) ) + ret = computedStyle.getPropertyValue( name ); // If the element isn't reporting its values properly in Safari // then some display: none elements are involved else { - var swap = [], stack = []; + var swap = [], stack = [], a = elem, i = 0; // Locate all of the parent display: none elements - for ( var a = elem; a && color(a); a = a.parentNode ) + for ( ; a && color(a); a = a.parentNode ) stack.unshift(a); // Go through and make them visible, but in reverse // (It would be better if we knew the exact display type that they had) - for ( var i = 0; i < stack.length; i++ ) + for ( ; i < stack.length; i++ ) if ( color( stack[ i ] ) ) { swap[ i ] = stack[ i ].style.display; stack[ i ].style.display = "block"; @@ -893,10 +890,10 @@ jQuery.extend({ // one special, otherwise get the value ret = name == "display" && swap[ stack.length - 1 ] != null ? "none" : - ( getComputedStyle && getComputedStyle.getPropertyValue( name ) ) || ""; + ( computedStyle && computedStyle.getPropertyValue( name ) ) || ""; // Finally, revert the display styles back - for ( var i = 0; i < swap.length; i++ ) + for ( i = 0; i < swap.length; i++ ) if ( swap[ i ] != null ) stack[ i ].style.display = swap[ i ]; } @@ -919,27 +916,27 @@ jQuery.extend({ // but a number that has a weird ending, we need to convert it to pixels if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) { // Remember the original values - var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left; + var left = style.left, rsLeft = elem.runtimeStyle.left; // Put in the new values to get a computed value out elem.runtimeStyle.left = elem.currentStyle.left; - elem.style.left = ret || 0; - ret = elem.style.pixelLeft + "px"; + style.left = ret || 0; + ret = style.pixelLeft + "px"; // Revert the changed values - elem.style.left = style; - elem.runtimeStyle.left = runtimeStyle; + style.left = left; + elem.runtimeStyle.left = rsLeft; } } return ret; }, - + clean: function( elems, context ) { var ret = []; context = context || document; // !context.createElement fails in IE with an error but returns typeof 'object' - if (typeof context.createElement == 'undefined') + if (typeof context.createElement == 'undefined') context = context.ownerDocument || context[0] && context[0].ownerDocument || document; jQuery.each(elems, function(i, elem){ @@ -947,8 +944,8 @@ jQuery.extend({ return; if ( elem.constructor == Number ) - elem = elem.toString(); - + elem += ''; + // Convert html string into DOM nodes if ( typeof elem == "string" ) { // Fix "XHTML"-style tags in all browsers @@ -965,58 +962,58 @@ jQuery.extend({ // option or optgroup !tags.indexOf("", "" ] || - + !tags.indexOf("", "" ] || - + tags.match(/^<(thead|tbody|tfoot|colg|cap)/) && [ 1, "", "
" ] || - + !tags.indexOf("", "" ] || - + // matched above (!tags.indexOf("", "" ] || - + !tags.indexOf("", "" ] || // IE can't serialize and