X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fjquery%2Fjquery.js;h=bc4bcd1e7972de9d6faa7449fcbc9202049ee175;hb=05d401dd8439d8a2137d3fb69a70d671c0d3a69d;hp=5347c9265345628ce9689d7d166759e3d628db54;hpb=94dfccc6dbb2dbf7b91e01622ff746c9c9f447d6;p=jquery.git diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js index 5347c92..bc4bcd1 100644 --- a/src/jquery/jquery.js +++ b/src/jquery/jquery.js @@ -24,39 +24,10 @@ window.undefined = window.undefined; */ var jQuery = function(a,c) { // If the context is global, return a new object - if ( window == this ) + if ( window == this || !this.init ) return new jQuery(a,c); - - // Make sure that a selection was provided - a = a || document; - - // HANDLE: $(function) - // Shortcut for document ready - if ( jQuery.isFunction(a) ) - return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a ); - - // Handle HTML strings - if ( typeof a == "string" ) { - // HANDLE: $(html) -> $(array) - var m = /^[^<]*(<(.|\s)+>)[^>]*$/.exec(a); - if ( m ) - a = jQuery.clean( [ m[1] ] ); - - // HANDLE: $(expr) - else - return new jQuery( c ).find( 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 ] ); + return this.init(a,c); }; // Map over the $ in case of overwrite @@ -170,6 +141,48 @@ var $ = jQuery; jQuery.fn = jQuery.prototype = { /** + * Initialize a new jQuery object + * + * @private + * @name init + * @param String|Function|Element|Array|jQuery a selector + * @param jQuery|Element|Array c context + * @cat Core + */ + init: function(a,c) { + // Make sure that a selection was provided + a = a || document; + + // HANDLE: $(function) + // Shortcut for document ready + if ( jQuery.isFunction(a) ) + return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a ); + + // Handle HTML strings + if ( typeof a == "string" ) { + // HANDLE: $(html) -> $(array) + var m = /^[^<]*(<(.|\s)+>)[^>]*$/.exec(a); + if ( m ) + a = jQuery.clean( [ m[1] ] ); + + // HANDLE: $(expr) + else + return new jQuery( c ).find( 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: $(*) + [ a ] ); + }, + + /** * The current version of jQuery. * * @private @@ -552,7 +565,7 @@ jQuery.fn = jQuery.prototype = { * @cat DOM/Attributes */ text: function(e) { - if ( typeof e == "string" ) + if ( typeof e != "object" && e != null ) return this.empty().append( document.createTextNode( e ) ); var t = ""; @@ -798,7 +811,7 @@ jQuery.fn = jQuery.prototype = { /** * Searches for all elements that match the specified expression. - + * * This method is a good way to find additional descendant * elements with which to process. * @@ -817,9 +830,9 @@ jQuery.fn = jQuery.prototype = { * @cat DOM/Traversing */ find: function(t) { - return this.pushStack( jQuery.unique( jQuery.map( this, function(a){ - return jQuery.find(t,a); - }) ), t ); + var data = jQuery.map(this, function(a){ return jQuery.find(t,a); }); + return this.pushStack( /[^+>] [^+>]/.test( t ) || t.indexOf("..") > -1 ? + jQuery.unique( data ) : data ); }, /** @@ -839,11 +852,46 @@ jQuery.fn = jQuery.prototype = { * @cat DOM/Manipulation */ clone: function(deep) { - return this.pushStack( jQuery.map( this, function(a){ - var a = a.cloneNode( deep != undefined ? deep : true ); - a.$events = null; // drop $events expando to avoid firing incorrect events - return a; + deep = deep != undefined ? deep : true; + var $this = this.add(this.find("*")); + if (jQuery.browser.msie) { + // Need to remove events on the element and its descendants + $this.each(function() { + this._$events = {}; + for (var type in this.$events) + this._$events[type] = jQuery.extend({},this.$events[type]); + }).unbind(); + } + + // Do the clone + var r = this.pushStack( jQuery.map( this, function(a){ + return a.cloneNode( deep ); }) ); + + if (jQuery.browser.msie) { + $this.each(function() { + // Add the events back to the original and its descendants + var events = this._$events; + for (var type in events) + for (var handler in events[type]) + jQuery.event.add(this, type, events[type][handler], events[type][handler].data); + this._$events = null; + }); + } + + // copy form values over + if (deep) { + var inputs = r.add(r.find('*')).filter('select,input[@type=checkbox]'); + $this.filter('select,input[@type=checkbox]').each(function(i) { + if (this.selectedIndex) + inputs[i].selectedIndex = this.selectedIndex; + if (this.checked) + inputs[i].checked = true; + }); + } + + // Return the cloned set + return r; }, /** @@ -890,7 +938,7 @@ jQuery.fn = jQuery.prototype = { return this.pushStack( jQuery.isFunction( t ) && jQuery.grep(this, function(el, index){ - return t.apply(el, [index]) + return t.apply(el, [index]); }) || jQuery.multiFilter(t,this) ); @@ -1139,9 +1187,14 @@ jQuery.fn = jQuery.prototype = { obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody")); jQuery.each( a, function(){ - fn.apply( obj, [ clone ? this.cloneNode(true) : this ] ); + 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 ] ); }); - }); } }; @@ -1177,10 +1230,6 @@ jQuery.fn = jQuery.prototype = { /** * Extend one object with one or more others, returning the original, * modified, object. This is a great utility for simple inheritance. - * - * There is also an optional collision resolution function. Any time the target and - * merged object both contain a key this function is called. This may be used to create - * a recursive merge. (See example) Unless you know what this is, you probably don't care. * * @example var settings = { validate: false, limit: 5, name: "foo" }; * var options = { validate: true, name: "bar" }; @@ -1194,19 +1243,8 @@ jQuery.fn = jQuery.prototype = { * @result settings == { validate: true, limit: 5, name: "bar" } * @desc Merge defaults and options, without modifying the defaults * - * @example var defaults = { validate: false, limit: 5, name: "foo", nested: {depth: false} }; - * var options = { validate: true, name: "bar", nested: {depth: true} }; - * var collision_resolver_fn = function(target, mergee) { - * // combine nested Objects, in this case the object being merged takes priority - * return jQuery.extend({}, target, mergee); - * } - * var settings = jQuery.extend({}, collision_resolver_fn, defaults, options); - * @result settings == { validate: true, limit: 5, name: "bar" } - * @desc Recursively merge defaults and options, without modifying the defaults - * * @name $.extend * @param Object target The object to extend - * @param Function (optional) collision resolution function. Hook to extend the merging behavior of $.extend(). See example. * @param Object prop1 The object that will be merged into the first. * @param Object propN (optional) More objects to merge into the first * @type Object @@ -1214,26 +1252,17 @@ jQuery.fn = jQuery.prototype = { */ jQuery.extend = jQuery.fn.extend = function() { // copy reference to target object - var resolver, prop, target = arguments[0], - a = 1; - + var target = arguments[0], a = 1; + // extend jQuery itself if only one argument is passed if ( arguments.length == 1 ) { target = this; a = 0; - } else if (jQuery.isFunction(arguments[a])) { - resolver = arguments[a++]; } - - while (prop = arguments[a++]) + var prop; + while ( (prop = arguments[a++]) != null ) // Extend the base object - for ( var i in prop ) { - if (resolver && target[i] && prop[i]) { - target[i] = resolver(target[i], prop[i]); - } else { - target[i] = prop[i]; - } - } + for ( var i in prop ) target[i] = prop[i]; // Return the modified object return target; @@ -1289,7 +1318,23 @@ jQuery.extend({ // check if an element is in a XML document isXMLDoc: function(elem) { - return elem.tagName && elem.ownerDocument && !elem.ownerDocument.body; + 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 ) { @@ -1352,7 +1397,7 @@ jQuery.extend({ className: { // internal only, use addClass("class") add: function( elem, c ){ - jQuery.each( c.split(/\s+/), function(i, cur){ + jQuery.each( (c || "").split(/\s+/), function(i, cur){ if ( !jQuery.className.has( elem.className, cur ) ) elem.className += ( elem.className ? " " : "" ) + cur; }); @@ -1360,7 +1405,7 @@ jQuery.extend({ // internal only, use removeClass("class") remove: function( elem, c ){ - elem.className = c ? + elem.className = c != undefined ? jQuery.grep( elem.className.split(/\s+/), function(cur){ return !jQuery.className.has( c, cur ); }).join(" ") : ""; @@ -1427,36 +1472,68 @@ jQuery.extend({ }, curCSS: function(elem, prop, force) { - var ret; + 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 == "float" || prop == "cssFloat") - prop = jQuery.browser.msie ? "styleFloat" : "cssFloat"; + if (prop.match(/float/i)) + prop = jQuery.styleFloat; if (!force && elem.style[prop]) ret = elem.style[prop]; else if (document.defaultView && document.defaultView.getComputedStyle) { - if (prop == "cssFloat" || prop == "styleFloat") + if (prop.match(/float/i)) prop = "float"; prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase(); var cur = document.defaultView.getComputedStyle(elem, null); - if ( cur ) + if ( cur && !color(elem) ) ret = cur.getPropertyValue(prop); - else if ( prop == "display" ) - ret = "none"; - else - jQuery.swap(elem, { display: "block" }, function() { - var c = document.defaultView.getComputedStyle(this, ""); - ret = c && c.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; 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();}); @@ -1476,17 +1553,20 @@ jQuery.extend({ if ( arg.constructor == Number ) arg = arg.toString(); - // Convert html string into DOM nodes + // Convert html string into DOM nodes if ( typeof arg == "string" ) { // Trim whitespace, otherwise indexOf won't work as expected - var s = jQuery.trim(arg), div = doc.createElement("div"), tb = []; + var s = jQuery.trim(arg).toLowerCase(), div = doc.createElement("div"), tb = []; var wrap = - // option or optgroup + // option or optgroup !s.indexOf("", ""] || - (!s.indexOf("", ""] || + + s.match(/^<(thead|tbody|tfoot|colg|cap)/) && [1, "", "
"] || !s.indexOf("", ""] || + !s.indexOf("", ""] || + [0,"",""]; // Go to html and back, then peel off extra wrappers @@ -1519,16 +1602,20 @@ jQuery.extend({ for ( var n = tb.length-1; n >= 0 ; --n ) if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length ) tb[n].parentNode.removeChild(tb[n]); - + + // IE completely kills leading whitespace when innerHTML is used + if ( /^\s/.test(arg) ) + div.insertBefore( doc.createTextNode( arg.match(/^\s*/)[0] ), div.firstChild ); + } arg = jQuery.makeArray( div.childNodes ); } - if ( arg.length === 0 && !jQuery.nodeName(arg, "form") ) + if ( 0 === arg.length && (!jQuery.nodeName(arg, "form") && !jQuery.nodeName(arg, "select")) ) return; - - if ( arg[0] == undefined || jQuery.nodeName(arg, "form") ) + + if ( arg[0] == undefined || jQuery.nodeName(arg, "form") || arg.options ) r.push( arg ); else r = jQuery.merge( r, arg ); @@ -1539,46 +1626,26 @@ jQuery.extend({ }, attr: function(elem, name, value){ - var fix = jQuery.isXMLDoc(elem) ? {} : { - "for": "htmlFor", - "class": "className", - "float": jQuery.browser.msie ? "styleFloat" : "cssFloat", - cssFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat", - innerHTML: "innerHTML", - className: "className", - value: "value", - disabled: "disabled", - checked: "checked", - readonly: "readOnly", - selected: "selected" - }; - - // IE actually uses filters for opacity ... elem is actually elem.style - if ( name == "opacity" && jQuery.browser.msie ) { - if ( value != undefined ) { - // IE has trouble with opacity if it does not have layout - // Force it by setting the zoom level - elem.zoom = 1; - - // Set the alpha filter to set the opacity - elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") + - (parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")"); - } + var fix = jQuery.isXMLDoc(elem) ? {} : jQuery.props; - return elem.filter ? - (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : ""; - } + // Safari mis-reports the default selected property of a hidden option + // Accessing the parent's selectedIndex property fixes it + if ( name == "selected" && jQuery.browser.safari ) + elem.parentNode.selectedIndex; // Certain attributes only work when accessed via the old DOM 0 way if ( fix[name] ) { if ( value != undefined ) elem[fix[name]] = value; return elem[fix[name]]; + } else if ( jQuery.browser.msie && name == "style" ) + return jQuery.attr( elem.style, "cssText", value ); - } else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") ) + else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") ) return elem.getAttributeNode(name).nodeValue; // IE elem.getAttribute passes even for style else if ( elem.tagName ) { + if ( value != undefined ) elem.setAttribute( name, value ); if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) ) return elem.getAttribute( name, 2 ); @@ -1586,6 +1653,21 @@ jQuery.extend({ // elem is actually elem.style ... set the style } else { + // IE actually uses filters for opacity + if ( name == "opacity" && jQuery.browser.msie ) { + if ( value != undefined ) { + // IE has trouble with opacity if it does not have layout + // Force it by setting the zoom level + elem.zoom = 1; + + // Set the alpha filter to set the opacity + elem.filter = (elem.filter || "").replace(/alpha\([^)]*\)/,"") + + (parseFloat(value).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")"); + } + + return elem.filter ? + (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() : ""; + } name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();}); if ( value != undefined ) elem[name] = value; return elem[name]; @@ -1604,7 +1686,7 @@ jQuery.extend({ * @cat JavaScript */ trim: function(t){ - return t.replace(/^\s+|\s+$/g, ""); + return (t||"").replace(/^\s+|\s+$/g, ""); }, makeArray: function( a ) { @@ -1628,24 +1710,16 @@ jQuery.extend({ }, /** - * Merge two arrays together, removing all duplicates. - * - * The result is the altered first argument with - * the unique elements from the second array added. + * Merge two arrays together by concatenating them. * * @example $.merge( [0,1,2], [2,3,4] ) - * @result [0,1,2,3,4] - * @desc Merges two arrays, removing the duplicate 2 - * - * @example var array = [3,2,1]; - * $.merge( array, [4,3,2] ) - * @result array == [3,2,1,4] - * @desc Merges two arrays, removing the duplicates 3 and 2 + * @result [0,1,2,2,3,4] + * @desc Merges two arrays. * * @name $.merge * @type Array - * @param Array first The first array to merge, the unique elements of second added. - * @param Array second The second array to merge into the first, unaltered. + * @param Array first The first array to merge, the elements of second are added. + * @param Array second The second array to append to the first, unaltered. * @cat JavaScript */ merge: function(first, second) { @@ -1656,14 +1730,30 @@ jQuery.extend({ return first; }, + /** + * Reduce an array (of jQuery objects only) to its unique elements. + * + * @example $.unique( [x1, x2, x3, x2, x3] ) + * @result [x1, x2, x3] + * @desc Reduces the arrays of jQuery objects to unique elements by removing the duplicates of x2 and x3 + * + * @name $.unique + * @type Array + * @param Array array The array to reduce to its unique jQuery objects. + * @cat JavaScript + */ unique: function(first) { var r = [], num = jQuery.mergeNum++; - for ( var i = 0, fl = first.length; i < fl; i++ ) - if ( first[i].mergeNum != num ) { - first[i].mergeNum = num; - r.push(first[i]); - } + try { + for ( var i = 0, fl = first.length; i < fl; i++ ) + if ( num != first[i].mergeNum ) { + first[i].mergeNum = num; + r.push(first[i]); + } + } catch(e) { + r = first; + } return r; }, @@ -1750,7 +1840,7 @@ jQuery.extend({ if ( typeof fn == "string" ) fn = new Function("a","return " + fn); - var result = [], r = []; + var result = []; // Go through the array, translating each of the items to their // new value (or values). @@ -1804,6 +1894,7 @@ new function() { // Figure out what browser is being used jQuery.browser = { + version: (b.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1], safari: /webkit/.test(b), opera: /opera/.test(b), msie: /msie/.test(b) && !/opera/.test(b), @@ -1812,6 +1903,25 @@ new function() { // Check to see if the W3C box model is being used jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat"; + + jQuery.styleFloat = jQuery.browser.msie ? "styleFloat" : "cssFloat"; + + jQuery.props = { + "for": "htmlFor", + "class": "className", + "float": jQuery.styleFloat, + cssFloat: jQuery.styleFloat, + styleFloat: jQuery.styleFloat, + innerHTML: "innerHTML", + className: "className", + value: "value", + disabled: "disabled", + checked: "checked", + readonly: "readOnly", + selected: "selected", + maxlength: "maxLength" + }; + }; /** @@ -1963,7 +2073,7 @@ jQuery.each({ var ret = jQuery.map(this,n); if ( a && typeof a == "string" ) ret = jQuery.multiFilter(a,ret); - return this.pushStack( ret ); + return this.pushStack( jQuery.unique(ret) ); }; });