Author: wesleyhales Date: 2008-04-24 20:34:57 -0400 (Thu, 24 Apr 2008) New Revision: 10715 Modified: branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/WEB-INF/tags/boxes.xhtml branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/editPageLayout.xhtml branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/showPortletDetails.xhtml branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/dashboard/dashboard.xhtml branches/JBoss_Portal_Branch_2_7/theme/src/bin/portal-ajax-war/dyna/prototype.js branches/JBoss_Portal_Branch_2_7/theme/src/bin/theme-test-war/core/lib/prototype.js Log: fix window name problem and upgrade prototype.js Modified: branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/WEB-INF/tags/boxes.xhtml =================================================================== --- branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/WEB-INF/tags/boxes.xhtml 2008-04-24 13:49:28 UTC (rev 10714) +++ branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/WEB-INF/tags/boxes.xhtml 2008-04-25 00:34:57 UTC (rev 10715) @@ -10,5 +10,4 @@ </div> <b class="xbottom"><b class="xb4"/><b class="xb3"/><b class="xb2"/><b class="xb1"/></b> </div> - </ui:composition> \ No newline at end of file Modified: branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/editPageLayout.xhtml =================================================================== --- branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/editPageLayout.xhtml 2008-04-24 13:49:28 UTC (rev 10714) +++ branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/editPageLayout.xhtml 2008-04-25 00:34:57 UTC (rev 10715) @@ -24,7 +24,7 @@ <label for="windowName"> <span class="portlet-form-field-label admin-label">Window Name:</span> <h:inputText id="windowName" value="#{pageManager.windowName}" - styleClass="portlet-form-input-field"/> + styleClass="portlet-form-input-field id-window-name"/> </label> <h:message for="windowName" errorClass="portlet-msg-error"/> </h:form> @@ -46,7 +46,7 @@ id="instanceId" value="#{pageManager.selectedContentType}" styleClass="portlet-form-field contentType" - onchange="document.getElementById('abc:windowNameCopy').value = document.getElementById('windowForm:windowName').value; + onchange="document.getElementById('abc:windowNameCopy').value = document.getElementsByClassName('id-window-name')[0].value; document.getElementById('abc').submit(); "> <f:selectItems value="#{pageManager.contentTypeItems}"/> </h:selectOneMenu> @@ -73,7 +73,7 @@ initialMode="edit_content" initialWindowState="normal" renderParameters="#{pageManager.selectedRenderParameters}" - onClick="url.setParameter('windowName', document.getElementById('windowForm:windowName').value);"/> + onClick="url.setParameter('windowName', document.getElementsByClassName('id-window-name')[0].value);"/> </td> </tr> </table> @@ -102,7 +102,7 @@ <tr> <td valign="top"> <h:commandButton - onclick="document.getElementById('blah').value=document.getElementById('windowForm:windowName').value" + onclick="document.getElementById('blah').value=document.getElementsByClassName('id-window-name')[0].value" value="Add" id="a_#{regionName}" actionListener="#{pageManager.assignWindows}" styleClass="portlet-form-button layout-button"/> Modified: branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/showPortletDetails.xhtml =================================================================== --- branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/showPortletDetails.xhtml 2008-04-24 13:49:28 UTC (rev 10714) +++ branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/common/showPortletDetails.xhtml 2008-04-25 00:34:57 UTC (rev 10715) @@ -1,13 +1,11 @@ -<div - xmlns:ui="http://java.sun.com/jsf/facelets" - xmlns:h="http://java.sun.com/jsf/html" - xmlns:f="http://java.sun.com/jsf/core" - xmlns:c="http://java.sun.com/jstl/core" - xmlns:a4j="http://richfaces.org/a4j" - xmlns:rich="http://richfaces.org/rich" - xmlns:portal="http://www.jboss.org/portal"> +<div xmlns:ui="http://java.sun.com/jsf/facelets" + xmlns:h="http://java.sun.com/jsf/html" + xmlns:f="http://java.sun.com/jsf/core" + xmlns:c="http://java.sun.com/jstl/core" + xmlns:a4j="http://richfaces.org/a4j" + xmlns:rich="http://richfaces.org/rich" + xmlns:portal="http://www.jboss.org/portal"> <h:form> - <div class="details-container"> <div class="full-width details-header"> <div class="main-header"> Modified: branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/dashboard/dashboard.xhtml =================================================================== --- branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/dashboard/dashboard.xhtml 2008-04-24 13:49:28 UTC (rev 10714) +++ branches/JBoss_Portal_Branch_2_7/core-admin/src/resources/portal-admin-war/jsf/dashboard/dashboard.xhtml 2008-04-25 00:34:57 UTC (rev 10715) @@ -62,12 +62,12 @@ </tr> <tr> <td class="portlet-section-body" align="center"> - <h:form id="page_selector_form" style="padding:0;margin:0"> + <h:form id="page_selector_form" style="padding:0;margin:0" styleClass="id_page_selector_form"> Select: <h:selectOneMenu id="pageNameSelector" value="#{dashboard.selectedPageName}" styleClass="portlet-form-field" - onchange="document.getElementById('page_selector_form').submit()"> + onchange="document.getElementsByClassName('page_selector_form')[0].submit()"> <f:selectItems value="#{dashboard.pageItems}"/> </h:selectOneMenu> </h:form> Modified: branches/JBoss_Portal_Branch_2_7/theme/src/bin/portal-ajax-war/dyna/prototype.js =================================================================== --- branches/JBoss_Portal_Branch_2_7/theme/src/bin/portal-ajax-war/dyna/prototype.js 2008-04-24 13:49:28 UTC (rev 10714) +++ branches/JBoss_Portal_Branch_2_7/theme/src/bin/portal-ajax-war/dyna/prototype.js 2008-04-25 00:34:57 UTC (rev 10715) @@ -1,51 +1,153 @@ -/* Prototype JavaScript framework, version 1.5.0 - * (c) 2005-2007 Sam Stephenson +/* Prototype JavaScript framework, version 1.6.0.2 + * (c) 2005-2008 Sam Stephenson * * Prototype is freely distributable under the terms of an MIT-style license. - * For details, see the Prototype web site: http://prototype.conio.net/ + * For details, see the Prototype web site: http://www.prototypejs.org/ * -/*--------------------------------------------------------------------------*/ + *--------------------------------------------------------------------------*/ var Prototype = { - Version: '1.5.0', + Version: '1.6.0.2', + + Browser: { + IE: !!(window.attachEvent && !window.opera), + Opera: !!window.opera, + WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, + Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1, + MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/) + }, + BrowserFeatures: { - XPath: !!document.evaluate + XPath: !!document.evaluate, + ElementExtensions: !!window.HTMLElement, + SpecificElementExtensions: + document.createElement('div').__proto__ && + document.createElement('div').__proto__ !== + document.createElement('form').__proto__ }, - ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', - emptyFunction: function() {}, + ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', + JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, + + emptyFunction: function() { }, K: function(x) { return x } -} +}; +if (Prototype.Browser.MobileSafari) + Prototype.BrowserFeatures.SpecificElementExtensions = false; + + +/* Based on Alex Arnell's inheritance implementation. */ var Class = { create: function() { - return function() { + var parent = null, properties = $A(arguments); + if (Object.isFunction(properties[0])) + parent = properties.shift(); + + function klass() { this.initialize.apply(this, arguments); } + + Object.extend(klass, Class.Methods); + klass.superclass = parent; + klass.subclasses = []; + + if (parent) { + var subclass = function() { }; + subclass.prototype = parent.prototype; + klass.prototype = new subclass; + parent.subclasses.push(klass); + } + + for (var i = 0; i < properties.length; i++) + klass.addMethods(properties[i]); + + if (!klass.prototype.initialize) + klass.prototype.initialize = Prototype.emptyFunction; + + klass.prototype.constructor = klass; + + return klass; } -} +}; -var Abstract = new Object(); +Class.Methods = { + addMethods: function(source) { + var ancestor = this.superclass && this.superclass.prototype; + var properties = Object.keys(source); + if (!Object.keys({ toString: true }).length) + properties.push("toString", "valueOf"); + + for (var i = 0, length = properties.length; i < length; i++) { + var property = properties[i], value = source[property]; + if (ancestor && Object.isFunction(value) && + value.argumentNames().first() == "$super") { + var method = value, value = Object.extend((function(m) { + return function() { return ancestor[m].apply(this, arguments) }; + })(property).wrap(method), { + valueOf: function() { return method }, + toString: function() { return method.toString() } + }); + } + this.prototype[property] = value; + } + + return this; + } +}; + +var Abstract = { }; + Object.extend = function(destination, source) { - for (var property in source) { + for (var property in source) destination[property] = source[property]; - } return destination; -} +}; Object.extend(Object, { inspect: function(object) { try { - if (object === undefined) return 'undefined'; + if (Object.isUndefined(object)) return 'undefined'; if (object === null) return 'null'; - return object.inspect ? object.inspect() : object.toString(); + return object.inspect ? object.inspect() : String(object); } catch (e) { if (e instanceof RangeError) return '...'; throw e; } }, + toJSON: function(object) { + var type = typeof object; + switch (type) { + case 'undefined': + case 'function': + case 'unknown': return; + case 'boolean': return object.toString(); + } + + if (object === null) return 'null'; + if (object.toJSON) return object.toJSON(); + if (Object.isElement(object)) return; + + var results = []; + for (var property in object) { + var value = Object.toJSON(object[property]); + if (!Object.isUndefined(value)) + results.push(property.toJSON() + ': ' + value); + } + + return '{' + results.join(', ') + '}'; + }, + + toQueryString: function(object) { + return $H(object).toQueryString(); + }, + + toHTML: function(object) { + return object && object.toHTML ? object.toHTML() : String.interpret(object); + }, + keys: function(object) { var keys = []; for (var property in object) @@ -61,41 +163,102 @@ }, clone: function(object) { - return Object.extend({}, object); + return Object.extend({ }, object); + }, + + isElement: function(object) { + return object && object.nodeType == 1; + }, + + isArray: function(object) { + return object != null && typeof object == "object" && + 'splice' in object && 'join' in object; + }, + + isHash: function(object) { + return object instanceof Hash; + }, + + isFunction: function(object) { + return typeof object == "function"; + }, + + isString: function(object) { + return typeof object == "string"; + }, + + isNumber: function(object) { + return typeof object == "number"; + }, + + isUndefined: function(object) { + return typeof object == "undefined"; } }); -Function.prototype.bind = function() { - var __method = this, args = $A(arguments), object = args.shift(); - return function() { - return __method.apply(object, args.concat($A(arguments))); - } -} +Object.extend(Function.prototype, { + argumentNames: function() { + var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip"); + return names.length == 1 && !names[0] ? [] : names; + }, -Function.prototype.bindAsEventListener = function(object) { - var __method = this, args = $A(arguments), object = args.shift(); - return function(event) { - return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); - } -} + bind: function() { + if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; + var __method = this, args = $A(arguments), object = args.shift(); + return function() { + return __method.apply(object, args.concat($A(arguments))); + } + }, -Object.extend(Number.prototype, { - toColorPart: function() { - var digits = this.toString(16); - if (this < 16) return '0' + digits; - return digits; + bindAsEventListener: function() { + var __method = this, args = $A(arguments), object = args.shift(); + return function(event) { + return __method.apply(object, [event || window.event].concat(args)); + } }, - succ: function() { - return this + 1; + curry: function() { + if (!arguments.length) return this; + var __method = this, args = $A(arguments); + return function() { + return __method.apply(this, args.concat($A(arguments))); + } }, - times: function(iterator) { - $R(0, this, true).each(iterator); - return this; + delay: function() { + var __method = this, args = $A(arguments), timeout = args.shift() * 1000; + return window.setTimeout(function() { + return __method.apply(__method, args); + }, timeout); + }, + + wrap: function(wrapper) { + var __method = this; + return function() { + return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); + } + }, + + methodize: function() { + if (this._methodized) return this._methodized; + var __method = this; + return this._methodized = function() { + return __method.apply(null, [this].concat($A(arguments))); + }; } }); +Function.prototype.defer = Function.prototype.delay.curry(0.01); + +Date.prototype.toJSON = function() { + return '"' + this.getUTCFullYear() + '-' + + (this.getUTCMonth() + 1).toPaddedString(2) + '-' + + this.getUTCDate().toPaddedString(2) + 'T' + + this.getUTCHours().toPaddedString(2) + ':' + + this.getUTCMinutes().toPaddedString(2) + ':' + + this.getUTCSeconds().toPaddedString(2) + 'Z"'; +}; + var Try = { these: function() { var returnValue; @@ -105,17 +268,22 @@ try { returnValue = lambda(); break; - } catch (e) {} + } catch (e) { } } return returnValue; } -} +}; +RegExp.prototype.match = RegExp.prototype.test; + +RegExp.escape = function(str) { + return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); +}; + /*--------------------------------------------------------------------------*/ -var PeriodicalExecuter = Class.create(); -PeriodicalExecuter.prototype = { +var PeriodicalExecuter = Class.create({ initialize: function(callback, frequency) { this.callback = callback; this.frequency = frequency; @@ -128,6 +296,10 @@ this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); }, + execute: function() { + this.callback(this); + }, + stop: function() { if (!this.timer) return; clearInterval(this.timer); @@ -138,16 +310,26 @@ if (!this.currentlyExecuting) { try { this.currentlyExecuting = true; - this.callback(this); + this.execute(); } finally { this.currentlyExecuting = false; } } } -} -String.interpret = function(value){ - return value == null ? '' : String(value); -} +}); +Object.extend(String, { + interpret: function(value) { + return value == null ? '' : String(value); + }, + specialChar: { + '\b': '\\b', + '\t': '\\t', + '\n': '\\n', + '\f': '\\f', + '\r': '\\r', + '\\': '\\\\' + } +}); Object.extend(String.prototype, { gsub: function(pattern, replacement) { @@ -168,7 +350,7 @@ sub: function(pattern, replacement, count) { replacement = this.gsub.prepareReplacement(replacement); - count = count === undefined ? 1 : count; + count = Object.isUndefined(count) ? 1 : count; return this.gsub(pattern, function(match) { if (--count < 0) return match[0]; @@ -178,14 +360,14 @@ scan: function(pattern, iterator) { this.gsub(pattern, iterator); - return this; + return String(this); }, truncate: function(length, truncation) { length = length || 30; - truncation = truncation === undefined ? '...' : truncation; + truncation = Object.isUndefined(truncation) ? '...' : truncation; return this.length > length ? - this.slice(0, length - truncation.length) + truncation : this; + this.slice(0, length - truncation.length) + truncation : String(this); }, strip: function() { @@ -213,35 +395,34 @@ }, escapeHTML: function() { - var div = document.createElement('div'); - var text = document.createTextNode(this); - div.appendChild(text); - return div.innerHTML; + var self = arguments.callee; + self.text.data = this; + return self.div.innerHTML; }, unescapeHTML: function() { - var div = document.createElement('div'); + var div = new Element('div'); div.innerHTML = this.stripTags(); return div.childNodes[0] ? (div.childNodes.length > 1 ? - $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) : + $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : div.childNodes[0].nodeValue) : ''; }, toQueryParams: function(separator) { var match = this.strip().match(/([^?#]*)(#.*)?$/); - if (!match) return {}; + if (!match) return { }; - return match[1].split(separator || '&').inject({}, function(hash, pair) { + return match[1].split(separator || '&').inject({ }, function(hash, pair) { if ((pair = pair.split('='))[0]) { - var name = decodeURIComponent(pair[0]); - var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; + var key = decodeURIComponent(pair.shift()); + var value = pair.length > 1 ? pair.join('=') : pair[0]; + if (value != undefined) value = decodeURIComponent(value); - if (hash[name] !== undefined) { - if (hash[name].constructor != Array) - hash[name] = [hash[name]]; - if (value) hash[name].push(value); + if (key in hash) { + if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; + hash[key].push(value); } - else hash[name] = value; + else hash[key] = value; } return hash; }); @@ -256,6 +437,10 @@ String.fromCharCode(this.charCodeAt(this.length - 1) + 1); }, + times: function(count) { + return count < 1 ? '' : new Array(count + 1).join(this); + }, + camelize: function() { var parts = this.split('-'), len = parts.length; if (len == 1) return parts[0]; @@ -270,7 +455,7 @@ return camelized; }, - capitalize: function(){ + capitalize: function() { return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); }, @@ -283,52 +468,131 @@ }, inspect: function(useDoubleQuotes) { - var escapedString = this.replace(/\\/g, '\\\\'); - if (useDoubleQuotes) - return '"' + escapedString.replace(/"/g, '\\"') + '"'; - else - return "'" + escapedString.replace(/'/g, '\\\'') + "'"; + var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { + var character = String.specialChar[match[0]]; + return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); + }); + if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; + return "'" + escapedString.replace(/'/g, '\\\'') + "'"; + }, + + toJSON: function() { + return this.inspect(true); + }, + + unfilterJSON: function(filter) { + return this.sub(filter || Prototype.JSONFilter, '#{1}'); + }, + + isJSON: function() { + var str = this; + if (str.blank()) return false; + str = this.replace(/\\./g, &#39;(a)&#39;).replace(/&quot;[^&quot;\\\n\r]*&quot;/g, ''); + return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); + }, + + evalJSON: function(sanitize) { + var json = this.unfilterJSON(); + try { + if (!sanitize || json.isJSON()) return eval('(' + json + ')'); + } catch (e) { } + throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); + }, + + include: function(pattern) { + return this.indexOf(pattern) > -1; + }, + + startsWith: function(pattern) { + return this.indexOf(pattern) === 0; + }, + + endsWith: function(pattern) { + var d = this.length - pattern.length; + return d >= 0 && this.lastIndexOf(pattern) === d; + }, + + empty: function() { + return this == ''; + }, + + blank: function() { + return /^\s*$/.test(this); + }, + + interpolate: function(object, pattern) { + return new Template(this, pattern).evaluate(object); } }); +if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { + escapeHTML: function() { + return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;'); + }, + unescapeHTML: function() { + return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>'); + } +}); + String.prototype.gsub.prepareReplacement = function(replacement) { - if (typeof replacement == 'function') return replacement; + if (Object.isFunction(replacement)) return replacement; var template = new Template(replacement); return function(match) { return template.evaluate(match) }; -} +}; String.prototype.parseQuery = String.prototype.toQueryParams; -var Template = Class.create(); -Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -Template.prototype = { +Object.extend(String.prototype.escapeHTML, { + div: document.createElement('div'), + text: document.createTextNode('') +}); + +with (String.prototype.escapeHTML) div.appendChild(text); + +var Template = Class.create({ initialize: function(template, pattern) { this.template = template.toString(); - this.pattern = pattern || Template.Pattern; + this.pattern = pattern || Template.Pattern; }, evaluate: function(object) { + if (Object.isFunction(object.toTemplateReplacements)) + object = object.toTemplateReplacements(); + return this.template.gsub(this.pattern, function(match) { - var before = match[1]; + if (object == null) return ''; + + var before = match[1] || ''; if (before == '\\') return match[2]; - return before + String.interpret(object[match[3]]); + + var ctx = object, expr = match[3]; + var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; + match = pattern.exec(expr); + if (match == null) return before; + + while (match != null) { + var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; + ctx = ctx[comp]; + if (null == ctx || '' == match[3]) break; + expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); + match = pattern.exec(expr); + } + + return before + String.interpret(ctx); }); } -} +}); +Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -var $break = new Object(); -var $continue = new Object(); +var $break = { }; var Enumerable = { - each: function(iterator) { + each: function(iterator, context) { var index = 0; + iterator = iterator.bind(context); try { this._each(function(value) { - try { - iterator(value, index++); - } catch (e) { - if (e != $continue) throw e; - } + iterator(value, index++); }); } catch (e) { if (e != $break) throw e; @@ -336,40 +600,45 @@ return this; }, - eachSlice: function(number, iterator) { + eachSlice: function(number, iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var index = -number, slices = [], array = this.toArray(); while ((index += number) < array.length) slices.push(array.slice(index, index+number)); - return slices.map(iterator); + return slices.collect(iterator, context); }, - all: function(iterator) { + all: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var result = true; this.each(function(value, index) { - result = result && !!(iterator || Prototype.K)(value, index); + result = result && !!iterator(value, index); if (!result) throw $break; }); return result; }, - any: function(iterator) { + any: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var result = false; this.each(function(value, index) { - if (result = !!(iterator || Prototype.K)(value, index)) + if (result = !!iterator(value, index)) throw $break; }); return result; }, - collect: function(iterator) { + collect: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var results = []; this.each(function(value, index) { - results.push((iterator || Prototype.K)(value, index)); + results.push(iterator(value, index)); }); return results; }, - detect: function(iterator) { + detect: function(iterator, context) { + iterator = iterator.bind(context); var result; this.each(function(value, index) { if (iterator(value, index)) { @@ -380,7 +649,8 @@ return result; }, - findAll: function(iterator) { + findAll: function(iterator, context) { + iterator = iterator.bind(context); var results = []; this.each(function(value, index) { if (iterator(value, index)) @@ -389,17 +659,24 @@ return results; }, - grep: function(pattern, iterator) { + grep: function(filter, iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var results = []; + + if (Object.isString(filter)) + filter = new RegExp(filter); + this.each(function(value, index) { - var stringValue = value.toString(); - if (stringValue.match(pattern)) - results.push((iterator || Prototype.K)(value, index)); - }) + if (filter.match(value)) + results.push(iterator(value, index)); + }); return results; }, include: function(object) { + if (Object.isFunction(this.indexOf)) + if (this.indexOf(object) != -1) return true; + var found = false; this.each(function(value) { if (value == object) { @@ -411,14 +688,15 @@ }, inGroupsOf: function(number, fillWith) { - fillWith = fillWith === undefined ? null : fillWith; + fillWith = Object.isUndefined(fillWith) ? null : fillWith; return this.eachSlice(number, function(slice) { while(slice.length < number) slice.push(fillWith); return slice; }); }, - inject: function(memo, iterator) { + inject: function(memo, iterator, context) { + iterator = iterator.bind(context); this.each(function(value, index) { memo = iterator(memo, value, index); }); @@ -432,30 +710,33 @@ }); }, - max: function(iterator) { + max: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var result; this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value >= result) + value = iterator(value, index); + if (result == null || value >= result) result = value; }); return result; }, - min: function(iterator) { + min: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var result; this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value < result) + value = iterator(value, index); + if (result == null || value < result) result = value; }); return result; }, - partition: function(iterator) { + partition: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var trues = [], falses = []; this.each(function(value, index) { - ((iterator || Prototype.K)(value, index) ? + (iterator(value, index) ? trues : falses).push(value); }); return [trues, falses]; @@ -463,13 +744,14 @@ pluck: function(property) { var results = []; - this.each(function(value, index) { + this.each(function(value) { results.push(value[property]); }); return results; }, - reject: function(iterator) { + reject: function(iterator, context) { + iterator = iterator.bind(context); var results = []; this.each(function(value, index) { if (!iterator(value, index)) @@ -478,7 +760,8 @@ return results; }, - sortBy: function(iterator) { + sortBy: function(iterator, context) { + iterator = iterator.bind(context); return this.map(function(value, index) { return {value: value, criteria: iterator(value, index)}; }).sort(function(left, right) { @@ -493,7 +776,7 @@ zip: function() { var iterator = Prototype.K, args = $A(arguments); - if (typeof args.last() == 'function') + if (Object.isFunction(args.last())) iterator = args.pop(); var collections = [this].concat(args).map($A); @@ -509,31 +792,42 @@ inspect: function() { return '#<Enumerable:' + this.toArray().inspect() + '>'; } -} +}; Object.extend(Enumerable, { map: Enumerable.collect, find: Enumerable.detect, select: Enumerable.findAll, + filter: Enumerable.findAll, member: Enumerable.include, - entries: Enumerable.toArray + entries: Enumerable.toArray, + every: Enumerable.all, + some: Enumerable.any }); -var $A = Array.from = function(iterable) { +function $A(iterable) { if (!iterable) return []; - if (iterable.toArray) { - return iterable.toArray(); - } else { - var results = []; - for (var i = 0, length = iterable.length; i < length; i++) - results.push(iterable[i]); + if (iterable.toArray) return iterable.toArray(); + var length = iterable.length || 0, results = new Array(length); + while (length--) results[length] = iterable[length]; + return results; +} + +if (Prototype.Browser.WebKit) { + $A = function(iterable) { + if (!iterable) return []; + if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') && + iterable.toArray) return iterable.toArray(); + var length = iterable.length || 0, results = new Array(length); + while (length--) results[length] = iterable[length]; return results; - } + }; } +Array.from = $A; + Object.extend(Array.prototype, Enumerable); -if (!Array.prototype._reverse) - Array.prototype._reverse = Array.prototype.reverse; +if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; Object.extend(Array.prototype, { _each: function(iterator) { @@ -562,7 +856,7 @@ flatten: function() { return this.inject([], function(array, value) { - return array.concat(value && value.constructor == Array ? + return array.concat(Object.isArray(value) ? value.flatten() : [value]); }); }, @@ -574,12 +868,6 @@ }); }, - indexOf: function(object) { - for (var i = 0, length = this.length; i < length; i++) - if (this[i] == object) return i; - return -1; - }, - reverse: function(inline) { return (inline !== false ? this : this.toArray())._reverse(); }, @@ -588,12 +876,20 @@ return this.length > 1 ? this : this[0]; }, - uniq: function() { - return this.inject([], function(array, value) { - return array.include(value) ? array : array.concat([value]); + uniq: function(sorted) { + return this.inject([], function(array, value, index) { + if (0 == index || (sorted ? array.last() != value : !array.include(value))) + array.push(value); + return array; }); }, + intersect: function(array) { + return this.uniq().findAll(function(item) { + return array.detect(function(value) { return item === value }); + }); + }, + clone: function() { return [].concat(this); }, @@ -604,125 +900,187 @@ inspect: function() { return '[' + this.map(Object.inspect).join(', ') + ']'; + }, + + toJSON: function() { + var results = []; + this.each(function(object) { + var value = Object.toJSON(object); + if (!Object.isUndefined(value)) results.push(value); + }); + return '[' + results.join(', ') + ']'; } }); +// use native browser JS 1.6 implementation if available +if (Object.isFunction(Array.prototype.forEach)) + Array.prototype._each = Array.prototype.forEach; + +if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { + i || (i = 0); + var length = this.length; + if (i < 0) i = length + i; + for (; i < length; i++) + if (this[i] === item) return i; + return -1; +}; + +if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { + i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; + var n = this.slice(0, i).reverse().indexOf(item); + return (n < 0) ? n : i - n - 1; +}; + Array.prototype.toArray = Array.prototype.clone; -function $w(string){ +function $w(string) { + if (!Object.isString(string)) return []; string = string.strip(); return string ? string.split(/\s+/) : []; } -if(window.opera){ - Array.prototype.concat = function(){ +if (Prototype.Browser.Opera){ + Array.prototype.concat = function() { var array = []; - for(var i = 0, length = this.length; i < length; i++) array.push(this[i]); - for(var i = 0, length = arguments.length; i < length; i++) { - if(arguments[i].constructor == Array) { - for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) + for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); + for (var i = 0, length = arguments.length; i < length; i++) { + if (Object.isArray(arguments[i])) { + for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) array.push(arguments[i][j]); } else { array.push(arguments[i]); } } return array; - } + }; } -var Hash = function(obj) { - Object.extend(this, obj || {}); -}; +Object.extend(Number.prototype, { + toColorPart: function() { + return this.toPaddedString(2, 16); + }, -Object.extend(Hash, { - toQueryString: function(obj) { - var parts = []; + succ: function() { + return this + 1; + }, - this.prototype._each.call(obj, function(pair) { - if (!pair.key) return; + times: function(iterator) { + $R(0, this, true).each(iterator); + return this; + }, - if (pair.value && pair.value.constructor == Array) { - var values = pair.value.compact(); - if (values.length < 2) pair.value = values.reduce(); - else { - key = encodeURIComponent(pair.key); - values.each(function(value) { - value = value != undefined ? encodeURIComponent(value) : ''; - parts.push(key + '=' + encodeURIComponent(value)); - }); - return; - } - } - if (pair.value == undefined) pair[1] = ''; - parts.push(pair.map(encodeURIComponent).join('=')); - }); + toPaddedString: function(length, radix) { + var string = this.toString(radix || 10); + return '0'.times(length - string.length) + string; + }, - return parts.join('&'); + toJSON: function() { + return isFinite(this) ? this.toString() : 'null'; } }); -Object.extend(Hash.prototype, Enumerable); -Object.extend(Hash.prototype, { - _each: function(iterator) { - for (var key in this) { - var value = this[key]; - if (value && value == Hash.prototype[key]) continue; +$w('abs round ceil floor').each(function(method){ + Number.prototype[method] = Math[method].methodize(); +}); +function $H(object) { + return new Hash(object); +}; - var pair = [key, value]; - pair.key = key; - pair.value = value; - iterator(pair); - } - }, +var Hash = Class.create(Enumerable, (function() { - keys: function() { - return this.pluck('key'); - }, + function toQueryPair(key, value) { + if (Object.isUndefined(value)) return key; + return key + '=' + encodeURIComponent(String.interpret(value)); + } - values: function() { - return this.pluck('value'); - }, + return { + initialize: function(object) { + this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); + }, - merge: function(hash) { - return $H(hash).inject(this, function(mergedHash, pair) { - mergedHash[pair.key] = pair.value; - return mergedHash; - }); - }, + _each: function(iterator) { + for (var key in this._object) { + var value = this._object[key], pair = [key, value]; + pair.key = key; + pair.value = value; + iterator(pair); + } + }, - remove: function() { - var result; - for(var i = 0, length = arguments.length; i < length; i++) { - var value = this[arguments[i]]; - if (value !== undefined){ - if (result === undefined) result = value; - else { - if (result.constructor != Array) result = [result]; - result.push(value) + set: function(key, value) { + return this._object[key] = value; + }, + + get: function(key) { + return this._object[key]; + }, + + unset: function(key) { + var value = this._object[key]; + delete this._object[key]; + return value; + }, + + toObject: function() { + return Object.clone(this._object); + }, + + keys: function() { + return this.pluck('key'); + }, + + values: function() { + return this.pluck('value'); + }, + + index: function(value) { + var match = this.detect(function(pair) { + return pair.value === value; + }); + return match && match.key; + }, + + merge: function(object) { + return this.clone().update(object); + }, + + update: function(object) { + return new Hash(object).inject(this, function(result, pair) { + result.set(pair.key, pair.value); + return result; + }); + }, + + toQueryString: function() { + return this.map(function(pair) { + var key = encodeURIComponent(pair.key), values = pair.value; + + if (values && typeof values == 'object') { + if (Object.isArray(values)) + return values.map(toQueryPair.curry(key)).join('&'); } - } - delete this[arguments[i]]; - } - return result; - }, + return toQueryPair(key, values); + }).join('&'); + }, - toQueryString: function() { - return Hash.toQueryString(this); - }, + inspect: function() { + return '#<Hash:{' + this.map(function(pair) { + return pair.map(Object.inspect).join(': '); + }).join(', ') + '}>'; + }, - inspect: function() { - return '#<Hash:{' + this.map(function(pair) { - return pair.map(Object.inspect).join(': '); - }).join(', ') + '}>'; + toJSON: function() { + return Object.toJSON(this.toObject()); + }, + + clone: function() { + return new Hash(this); + } } -}); +})()); -function $H(object) { - if (object && object.constructor == Hash) return object; - return new Hash(object); -}; -ObjectRange = Class.create(); -Object.extend(ObjectRange.prototype, Enumerable); -Object.extend(ObjectRange.prototype, { +Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; +Hash.from = $H; +var ObjectRange = Class.create(Enumerable, { initialize: function(start, end, exclusive) { this.start = start; this.end = end; @@ -748,7 +1106,7 @@ var $R = function(start, end, exclusive) { return new ObjectRange(start, end, exclusive); -} +}; var Ajax = { getTransport: function() { @@ -760,7 +1118,7 @@ }, activeRequestCount: 0 -} +}; Ajax.Responders = { responders: [], @@ -780,10 +1138,10 @@ dispatch: function(callback, request, transport, json) { this.each(function(responder) { - if (typeof responder[callback] == 'function') { + if (Object.isFunction(responder[callback])) { try { responder[callback].apply(responder, [request, transport, json]); - } catch (e) {} + } catch (e) { } } }); } @@ -792,49 +1150,45 @@ Object.extend(Ajax.Responders, Enumerable); Ajax.Responders.register({ - onCreate: function() { - Ajax.activeRequestCount++; - }, - onComplete: function() { - Ajax.activeRequestCount--; - } + onCreate: function() { Ajax.activeRequestCount++ }, + onComplete: function() { Ajax.activeRequestCount-- } }); -Ajax.Base = function() {}; -Ajax.Base.prototype = { - setOptions: function(options) { +Ajax.Base = Class.create({ + initialize: function(options) { this.options = { method: 'post', asynchronous: true, contentType: 'application/x-www-form-urlencoded', encoding: 'UTF-8', - parameters: '' - } - Object.extend(this.options, options || {}); + parameters: '', + evalJSON: true, + evalJS: true + }; + Object.extend(this.options, options || { }); this.options.method = this.options.method.toLowerCase(); - if (typeof this.options.parameters == 'string') + + if (Object.isString(this.options.parameters)) this.options.parameters = this.options.parameters.toQueryParams(); + else if (Object.isHash(this.options.parameters)) + this.options.parameters = this.options.parameters.toObject(); } -} +}); -Ajax.Request = Class.create(); -Ajax.Request.Events = - ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; - -Ajax.Request.prototype = Object.extend(new Ajax.Base(), { +Ajax.Request = Class.create(Ajax.Base, { _complete: false, - initialize: function(url, options) { + initialize: function($super, url, options) { + $super(options); this.transport = Ajax.getTransport(); - this.setOptions(options); this.request(url); }, request: function(url) { this.url = url; this.method = this.options.method; - var params = this.options.parameters; + var params = Object.clone(this.options.parameters); if (!['get', 'post'].include(this.method)) { // simulate other verbs over post @@ -842,29 +1196,32 @@ this.method = 'post'; } - params = Hash.toQueryString(params); - if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_=' + this.parameters = params; - // when GET, append parameters to URL - if (this.method == 'get' && params) - this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params; + if (params = Object.toQueryString(params)) { + // when GET, append parameters to URL + if (this.method == 'get') + this.url += (this.url.include('?') ? '&' : '?') + params; + else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) + params += '&_='; + } try { - Ajax.Responders.dispatch('onCreate', this, this.transport); + var response = new Ajax.Response(this); + if (this.options.onCreate) this.options.onCreate(response); + Ajax.Responders.dispatch('onCreate', this, response); this.transport.open(this.method.toUpperCase(), this.url, this.options.asynchronous); - if (this.options.asynchronous) - setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); + if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); this.transport.onreadystatechange = this.onStateChange.bind(this); this.setRequestHeaders(); - var body = this.method == 'post' ? (this.options.postBody || params) : null; + this.body = this.method == 'post' ? (this.options.postBody || params) : null; + this.transport.send(this.body); - this.transport.send(body); - /* Force Firefox to handle ready state 4 for synchronous requests */ if (!this.options.asynchronous && this.transport.overrideMimeType) this.onStateChange(); @@ -905,7 +1262,7 @@ if (typeof this.options.requestHeaders == 'object') { var extras = this.options.requestHeaders; - if (typeof extras.push == 'function') + if (Object.isFunction(extras.push)) for (var i = 0, length = extras.length; i < length; i += 2) headers[extras[i]] = extras[i+1]; else @@ -917,32 +1274,39 @@ }, success: function() { - return !this.transport.status - || (this.transport.status >= 200 && this.transport.status < 300); + var status = this.getStatus(); + return !status || (status >= 200 && status < 300); }, + getStatus: function() { + try { + return this.transport.status || 0; + } catch (e) { return 0 } + }, + respondToReadyState: function(readyState) { - var state = Ajax.Request.Events[readyState]; - var transport = this.transport, json = this.evalJSON(); + var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); if (state == 'Complete') { try { this._complete = true; - (this.options['on' + this.transport.status] + (this.options['on' + response.status] || this.options['on' + (this.success() ? 'Success' : 'Failure')] - || Prototype.emptyFunction)(transport, json); + || Prototype.emptyFunction)(response, response.headerJSON); } catch (e) { this.dispatchException(e); } - if ((this.getHeader('Content-type') || 'text/javascript').strip(). - match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) - this.evalResponse(); + var contentType = response.getHeader('Content-type'); + if (this.options.evalJS == 'force' + || (this.options.evalJS && this.isSameOrigin() && contentType + && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) + this.evalResponse(); } try { - (this.options['on' + state] || Prototype.emptyFunction)(transport, json); - Ajax.Responders.dispatch('on' + state, this, transport, json); + (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); + Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); } catch (e) { this.dispatchException(e); } @@ -953,22 +1317,24 @@ } }, - getHeader: function(name) { - try { - return this.transport.getResponseHeader(name); - } catch (e) { return null } + isSameOrigin: function() { + var m = this.url.match(/^\s*https?:\/\/[^\/]*/); + return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ + protocol: location.protocol, + domain: document.domain, + port: location.port ? ':' + location.port : '' + })); }, - evalJSON: function() { + getHeader: function(name) { try { - var json = this.getHeader('X-JSON'); - return json ? eval('(' + json + ')') : null; + return this.transport.getResponseHeader(name) || null; } catch (e) { return null } }, evalResponse: function() { try { - return eval(this.transport.responseText); + return eval((this.transport.responseText || '').unfilterJSON()); } catch (e) { this.dispatchException(e); } @@ -980,57 +1346,128 @@ } }); -Ajax.Updater = Class.create(); +Ajax.Request.Events = + ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; -Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { - initialize: function(container, url, options) { +Ajax.Response = Class.create({ + initialize: function(request){ + this.request = request; + var transport = this.transport = request.transport, + readyState = this.readyState = transport.readyState; + + if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { + this.status = this.getStatus(); + this.statusText = this.getStatusText(); + this.responseText = String.interpret(transport.responseText); + this.headerJSON = this._getHeaderJSON(); + } + + if(readyState == 4) { + var xml = transport.responseXML; + this.responseXML = Object.isUndefined(xml) ? null : xml; + this.responseJSON = this._getResponseJSON(); + } + }, + + status: 0, + statusText: '', + + getStatus: Ajax.Request.prototype.getStatus, + + getStatusText: function() { + try { + return this.transport.statusText || ''; + } catch (e) { return '' } + }, + + getHeader: Ajax.Request.prototype.getHeader, + + getAllHeaders: function() { + try { + return this.getAllResponseHeaders(); + } catch (e) { return null } + }, + + getResponseHeader: function(name) { + return this.transport.getResponseHeader(name); + }, + + getAllResponseHeaders: function() { + return this.transport.getAllResponseHeaders(); + }, + + _getHeaderJSON: function() { + var json = this.getHeader('X-JSON'); + if (!json) return null; + json = decodeURIComponent(escape(json)); + try { + return json.evalJSON(this.request.options.sanitizeJSON || + !this.request.isSameOrigin()); + } catch (e) { + this.request.dispatchException(e); + } + }, + + _getResponseJSON: function() { + var options = this.request.options; + if (!options.evalJSON || (options.evalJSON != 'force' && + !(this.getHeader('Content-type') || '').include('application/json')) || + this.responseText.blank()) + return null; + try { + return this.responseText.evalJSON(options.sanitizeJSON || + !this.request.isSameOrigin()); + } catch (e) { + this.request.dispatchException(e); + } + } +}); + +Ajax.Updater = Class.create(Ajax.Request, { + initialize: function($super, container, url, options) { this.container = { success: (container.success || container), failure: (container.failure || (container.success ? null : container)) - } + }; - this.transport = Ajax.getTransport(); - this.setOptions(options); - - var onComplete = this.options.onComplete || Prototype.emptyFunction; - this.options.onComplete = (function(transport, param) { - this.updateContent(); - onComplete(transport, param); + options = Object.clone(options); + var onComplete = options.onComplete; + options.onComplete = (function(response, json) { + this.updateContent(response.responseText); + if (Object.isFunction(onComplete)) onComplete(response, json); }).bind(this); - this.request(url); + $super(url, options); }, - updateContent: function() { - var receiver = this.container[this.success() ? 'success' : 'failure']; - var response = this.transport.responseText; + updateContent: function(responseText) { + var receiver = this.container[this.success() ? 'success' : 'failure'], + options = this.options; - if (!this.options.evalScripts) response = response.stripScripts(); + if (!options.evalScripts) responseText = responseText.stripScripts(); if (receiver = $(receiver)) { - if (this.options.insertion) - new this.options.insertion(receiver, response); - else - receiver.update(response); + if (options.insertion) { + if (Object.isString(options.insertion)) { + var insertion = { }; insertion[options.insertion] = responseText; + receiver.insert(insertion); + } + else options.insertion(receiver, responseText); + } + else receiver.update(responseText); } - - if (this.success()) { - if (this.onComplete) - setTimeout(this.onComplete.bind(this), 10); - } } }); -Ajax.PeriodicalUpdater = Class.create(); -Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { - initialize: function(container, url, options) { - this.setOptions(options); +Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { + initialize: function($super, container, url, options) { + $super(options); this.onComplete = this.options.onComplete; this.frequency = (this.options.frequency || 2); this.decay = (this.options.decay || 1); - this.updater = {}; + this.updater = { }; this.container = container; this.url = url; @@ -1048,15 +1485,14 @@ (this.onComplete || Prototype.emptyFunction).apply(this, arguments); }, - updateComplete: function(request) { + updateComplete: function(response) { if (this.options.decay) { - this.decay = (request.responseText == this.lastText ? + this.decay = (response.responseText == this.lastText ? this.decay * this.options.decay : 1); - this.lastText = request.responseText; + this.lastText = response.responseText; } - this.timer = setTimeout(this.onTimerEvent.bind(this), - this.decay * this.frequency * 1000); + this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); }, onTimerEvent: function() { @@ -1069,7 +1505,7 @@ elements.push($(arguments[i])); return elements; } - if (typeof element == 'string') + if (Object.isString(element)) element = document.getElementById(element); return Element.extend(element); } @@ -1080,64 +1516,52 @@ var query = document.evaluate(expression, $(parentElement) || document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); for (var i = 0, length = query.snapshotLength; i < length; i++) - results.push(query.snapshotItem(i)); + results.push(Element.extend(query.snapshotItem(i))); return results; }; } -document.getElementsByClassName = function(className, parentElement) { - if (Prototype.BrowserFeatures.XPath) { - var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; - return document._getElementsByXPath(q, parentElement); - } else { - var children = ($(parentElement) || document.body).getElementsByTagName('*'); - var elements = [], child; - for (var i = 0, length = children.length; i < length; i++) { - child = children[i]; - if (Element.hasClassName(child, className)) - elements.push(Element.extend(child)); - } - return elements; - } -}; - /*--------------------------------------------------------------------------*/ -if (!window.Element) - var Element = new Object(); +if (!window.Node) var Node = { }; -Element.extend = function(element) { - if (!element || _nativeExtensions || element.nodeType == 3) return element; +if (!Node.ELEMENT_NODE) { + // DOM level 2 ECMAScript Language Binding + Object.extend(Node, { + ELEMENT_NODE: 1, + ATTRIBUTE_NODE: 2, + TEXT_NODE: 3, + CDATA_SECTION_NODE: 4, + ENTITY_REFERENCE_NODE: 5, + ENTITY_NODE: 6, + PROCESSING_INSTRUCTION_NODE: 7, + COMMENT_NODE: 8, + DOCUMENT_NODE: 9, + DOCUMENT_TYPE_NODE: 10, + DOCUMENT_FRAGMENT_NODE: 11, + NOTATION_NODE: 12 + }); +} - if (!element._extended && element.tagName && element != window) { - var methods = Object.clone(Element.Methods), cache = Element.extend.cache; - - if (element.tagName == 'FORM') - Object.extend(methods, Form.Methods); - if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName)) - Object.extend(methods, Form.Element.Methods); - - Object.extend(methods, Element.Methods.Simulated); - - for (var property in methods) { - var value = methods[property]; - if (typeof value == 'function' && !(property in element)) - element[property] = cache.findOrStore(value); +(function() { + var element = this.Element; + this.Element = function(tagName, attributes) { + attributes = attributes || { }; + tagName = tagName.toLowerCase(); + var cache = Element.cache; + if (Prototype.Browser.IE && attributes.name) { + tagName = '<' + tagName + ' name="' + attributes.name + '">'; + delete attributes.name; + return Element.writeAttribute(document.createElement(tagName), attributes); } - } + if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); + return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); + }; + Object.extend(this.Element, element || { }); +}).call(window); - element._extended = true; - return element; -}; +Element.cache = { }; -Element.extend.cache = { - findOrStore: function(value) { - return this[value] = this[value] || function() { - return value.apply(null, [this].concat($A(arguments))); - } - } -}; - Element.Methods = { visible: function(element) { return $(element).style.display != 'none'; @@ -1165,28 +1589,78 @@ return element; }, - update: function(element, html) { - html = typeof html == 'undefined' ? '' : html.toString(); - $(element).innerHTML = html.stripScripts(); - setTimeout(function() {html.evalScripts()}, 10); + update: function(element, content) { + element = $(element); + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) return element.update().insert(content); + content = Object.toHTML(content); + element.innerHTML = content.stripScripts(); + content.evalScripts.bind(content).defer(); return element; }, - replace: function(element, html) { + replace: function(element, content) { element = $(element); - html = typeof html == 'undefined' ? '' : html.toString(); - if (element.outerHTML) { - element.outerHTML = html.stripScripts(); - } else { + if (content && content.toElement) content = content.toElement(); + else if (!Object.isElement(content)) { + content = Object.toHTML(content); var range = element.ownerDocument.createRange(); - range.selectNodeContents(element); - element.parentNode.replaceChild( - range.createContextualFragment(html.stripScripts()), element); + range.selectNode(element); + content.evalScripts.bind(content).defer(); + content = range.createContextualFragment(content.stripScripts()); } - setTimeout(function() {html.evalScripts()}, 10); + element.parentNode.replaceChild(content, element); return element; }, + insert: function(element, insertions) { + element = $(element); + + if (Object.isString(insertions) || Object.isNumber(insertions) || + Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) + insertions = {bottom:insertions}; + + var content, insert, tagName, childNodes; + + for (var position in insertions) { + content = insertions[position]; + position = position.toLowerCase(); + insert = Element._insertionTranslations[position]; + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) { + insert(element, content); + continue; + } + + content = Object.toHTML(content); + + tagName = ((position == 'before' || position == 'after') + ? element.parentNode : element).tagName.toUpperCase(); + + childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + + if (position == 'top' || position == 'after') childNodes.reverse(); + childNodes.each(insert.curry(element)); + + content.evalScripts.bind(content).defer(); + } + + return element; + }, + + wrap: function(element, wrapper, attributes) { + element = $(element); + if (Object.isElement(wrapper)) + $(wrapper).writeAttribute(attributes || { }); + else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); + else wrapper = new Element('div', wrapper); + if (element.parentNode) + element.parentNode.replaceChild(wrapper, element); + wrapper.appendChild(element); + return wrapper; + }, + inspect: function(element) { element = $(element); var result = '<' + element.tagName.toLowerCase(); @@ -1212,9 +1686,15 @@ }, descendants: function(element) { - return $A($(element).getElementsByTagName('*')); + return $(element).select("*"); }, + firstDescendant: function(element) { + element = $(element).firstChild; + while (element && element.nodeType != 1) element = element.nextSibling; + return $(element); + }, + immediateDescendants: function(element) { if (!(element = $(element).firstChild)) return []; while (element && element.nodeType != 1) element = element.nextSibling; @@ -1236,48 +1716,95 @@ }, match: function(element, selector) { - if (typeof selector == 'string') + if (Object.isString(selector)) selector = new Selector(selector); return selector.match($(element)); }, up: function(element, expression, index) { - return Selector.findElement($(element).ancestors(), expression, index); + element = $(element); + if (arguments.length == 1) return $(element.parentNode); + var ancestors = element.ancestors(); + return Object.isNumber(expression) ? ancestors[expression] : + Selector.findElement(ancestors, expression, index); }, down: function(element, expression, index) { - return Selector.findElement($(element).descendants(), expression, index); + element = $(element); + if (arguments.length == 1) return element.firstDescendant(); + return Object.isNumber(expression) ? element.descendants()[expression] : + element.select(expression)[index || 0]; }, previous: function(element, expression, index) { - return Selector.findElement($(element).previousSiblings(), expression, index); + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); + var previousSiblings = element.previousSiblings(); + return Object.isNumber(expression) ? previousSiblings[expression] : + Selector.findElement(previousSiblings, expression, index); }, next: function(element, expression, index) { - return Selector.findElement($(element).nextSiblings(), expression, index); + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); + var nextSiblings = element.nextSiblings(); + return Object.isNumber(expression) ? nextSiblings[expression] : + Selector.findElement(nextSiblings, expression, index); }, - getElementsBySelector: function() { + select: function() { var args = $A(arguments), element = $(args.shift()); return Selector.findChildElements(element, args); }, - getElementsByClassName: function(element, className) { - return document.getElementsByClassName(className, element); + adjacent: function() { + var args = $A(arguments), element = $(args.shift()); + return Selector.findChildElements(element.parentNode, args).without(element); }, + identify: function(element) { + element = $(element); + var id = element.readAttribute('id'), self = arguments.callee; + if (id) return id; + do { id = 'anonymous_element_' + self.counter++ } while ($(id)); + element.writeAttribute('id', id); + return id; + }, + readAttribute: function(element, name) { element = $(element); - if (document.all && !window.opera) { - var t = Element._attributeTranslations; + if (Prototype.Browser.IE) { + var t = Element._attributeTranslations.read; if (t.values[name]) return t.values[name](element, name); - if (t.names[name]) name = t.names[name]; - var attribute = element.attributes[name]; - if(attribute) return attribute.nodeValue; + if (t.names[name]) name = t.names[name]; + if (name.include(':')) { + return (!element.attributes || !element.attributes[name]) ? null : + element.attributes[name].value; + } } return element.getAttribute(name); }, + writeAttribute: function(element, name, value) { + element = $(element); + var attributes = { }, t = Element._attributeTranslations.write; + + if (typeof name == 'object') attributes = name; + else attributes[name] = Object.isUndefined(value) ? true : value; + + for (var attr in attributes) { + name = t.names[attr] || attr; + value = attributes[attr]; + if (t.values[attr]) name = t.values[attr](element, value); + if (value === false || value === null) + element.removeAttribute(name); + else if (value === true) + element.setAttribute(name, name); + else element.setAttribute(name, value); + } + return element; + }, + getHeight: function(element) { return $(element).getDimensions().height; }, @@ -1293,41 +1820,30 @@ hasClassName: function(element, className) { if (!(element = $(element))) return; var elementClassName = element.className; - if (elementClassName.length == 0) return false; - if (elementClassName == className || - elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) - return true; - return false; + return (elementClassName.length > 0 && (elementClassName == className || + new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); }, addClassName: function(element, className) { if (!(element = $(element))) return; - Element.classNames(element).add(className); + if (!element.hasClassName(className)) + element.className += (element.className ? ' ' : '') + className; return element; }, removeClassName: function(element, className) { if (!(element = $(element))) return; - Element.classNames(element).remove(className); + element.className = element.className.replace( + new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); return element; }, toggleClassName: function(element, className) { if (!(element = $(element))) return; - Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); - return element; + return element[element.hasClassName(className) ? + 'removeClassName' : 'addClassName'](className); }, - observe: function() { - Event.observe.apply(Event, arguments); - return $A(arguments).first(); - }, - - stopObserving: function() { - Event.stopObserving.apply(Event, arguments); - return $A(arguments).first(); - }, - // removes whitespace-only text node children cleanWhitespace: function(element) { element = $(element); @@ -1342,74 +1858,77 @@ }, empty: function(element) { - return $(element).innerHTML.match(/^\s*$/); + return $(element).innerHTML.blank(); }, descendantOf: function(element, ancestor) { element = $(element), ancestor = $(ancestor); + var originalAncestor = ancestor; + + if (element.compareDocumentPosition) + return (element.compareDocumentPosition(ancestor) & 8) === 8; + + if (element.sourceIndex && !Prototype.Browser.Opera) { + var e = element.sourceIndex, a = ancestor.sourceIndex, + nextAncestor = ancestor.nextSibling; + if (!nextAncestor) { + do { ancestor = ancestor.parentNode; } + while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); + } + if (nextAncestor && nextAncestor.sourceIndex) + return (e > a && e < nextAncestor.sourceIndex); + } + while (element = element.parentNode) - if (element == ancestor) return true; + if (element == originalAncestor) return true; return false; }, scrollTo: function(element) { element = $(element); - var pos = Position.cumulativeOffset(element); + var pos = element.cumulativeOffset(); window.scrollTo(pos[0], pos[1]); return element; }, getStyle: function(element, style) { element = $(element); - if (['float','cssFloat'].include(style)) - style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat'); - style = style.camelize(); + style = style == 'float' ? 'cssFloat' : style.camelize(); var value = element.style[style]; if (!value) { - if (document.defaultView && document.defaultView.getComputedStyle) { - var css = document.defaultView.getComputedStyle(element, null); - value = css ? css[style] : null; - } else if (element.currentStyle) { - value = element.currentStyle[style]; - } + var css = document.defaultView.getComputedStyle(element, null); + value = css ? css[style] : null; } + if (style == 'opacity') return value ? parseFloat(value) : 1.0; + return value == 'auto' ? null : value; + }, - if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none')) - value = element['offset'+style.capitalize()] + 'px'; + getOpacity: function(element) { + return $(element).getStyle('opacity'); + }, - if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) - if (Element.getStyle(element, 'position') == 'static') value = 'auto'; - if(style == 'opacity') { - if(value) return parseFloat(value); - if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) - if(value[1]) return parseFloat(value[1]) / 100; - return 1.0; + setStyle: function(element, styles) { + element = $(element); + var elementStyle = element.style, match; + if (Object.isString(styles)) { + element.style.cssText += ';' + styles; + return styles.include('opacity') ? + element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; } - return value == 'auto' ? null : value; + for (var property in styles) + if (property == 'opacity') element.setOpacity(styles[property]); + else + elementStyle[(property == 'float' || property == 'cssFloat') ? + (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : + property] = styles[property]; + + return element; }, - setStyle: function(element, style) { + setOpacity: function(element, value) { element = $(element); - for (var name in style) { - var value = style[name]; - if(name == 'opacity') { - if (value == 1) { - value = (/Gecko/.test(navigator.userAgent) && - !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0; - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); - } else if(value === '') { - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); - } else { - if(value < 0.00001) value = 0; - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') + - 'alpha(opacity='+value*100+')'; - } - } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat'; - element.style[name.camelize()] = value; - } + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; return element; }, @@ -1468,8 +1987,8 @@ makeClipping: function(element) { element = $(element); if (element._overflow) return element; - element._overflow = element.style.overflow || 'auto'; - if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') + element._overflow = Element.getStyle(element, 'overflow') || 'auto'; + if (element._overflow !== 'hidden') element.style.overflow = 'hidden'; return element; }, @@ -1480,393 +1999,1376 @@ element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; element._overflow = null; return element; - } -}; + }, -Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf}); + cumulativeOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + } while (element); + return Element._returnOffset(valueL, valueT); + }, -Element._attributeTranslations = {}; + positionedOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + if (element) { + if (element.tagName == 'BODY') break; + var p = Element.getStyle(element, 'position'); + if (p !== 'static') break; + } + } while (element); + return Element._returnOffset(valueL, valueT); + }, -Element._attributeTranslations.names = { - colspan: "colSpan", - rowspan: "rowSpan", - valign: "vAlign", - datetime: "dateTime", - accesskey: "accessKey", - tabindex: "tabIndex", - enctype: "encType", - maxlength: "maxLength", - readonly: "readOnly", - longdesc: "longDesc" -}; + absolutize: function(element) { + element = $(element); + if (element.getStyle('position') == 'absolute') return; + // Position.prepare(); // To be done manually by Scripty when it needs it. -Element._attributeTranslations.values = { - _getAttr: function(element, attribute) { - return element.getAttribute(attribute, 2); + var offsets = element.positionedOffset(); + var top = offsets[1]; + var left = offsets[0]; + var width = element.clientWidth; + var height = element.clientHeight; + + element._originalLeft = left - parseFloat(element.style.left || 0); + element._originalTop = top - parseFloat(element.style.top || 0); + element._originalWidth = element.style.width; + element._originalHeight = element.style.height; + + element.style.position = 'absolute'; + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.width = width + 'px'; + element.style.height = height + 'px'; + return element; }, - _flag: function(element, attribute) { - return $(element).hasAttribute(attribute) ? attribute : null; + relativize: function(element) { + element = $(element); + if (element.getStyle('position') == 'relative') return; + // Position.prepare(); // To be done manually by Scripty when it needs it. + + element.style.position = 'relative'; + var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); + var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); + + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.height = element._originalHeight; + element.style.width = element._originalWidth; + return element; }, - style: function(element) { - return element.style.cssText.toLowerCase(); + cumulativeScrollOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.scrollTop || 0; + valueL += element.scrollLeft || 0; + element = element.parentNode; + } while (element); + return Element._returnOffset(valueL, valueT); }, - title: function(element) { - var node = element.getAttributeNode('title'); - return node.specified ? node.nodeValue : null; + getOffsetParent: function(element) { + if (element.offsetParent) return $(element.offsetParent); + if (element == document.body) return $(element); + + while ((element = element.parentNode) && element != document.body) + if (Element.getStyle(element, 'position') != 'static') + return $(element); + + return $(document.body); + }, + + viewportOffset: function(forElement) { + var valueT = 0, valueL = 0; + + var element = forElement; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + + // Safari fix + if (element.offsetParent == document.body && + Element.getStyle(element, 'position') == 'absolute') break; + + } while (element = element.offsetParent); + + element = forElement; + do { + if (!Prototype.Browser.Opera || element.tagName == 'BODY') { + valueT -= element.scrollTop || 0; + valueL -= element.scrollLeft || 0; + } + } while (element = element.parentNode); + + return Element._returnOffset(valueL, valueT); + }, + + clonePosition: function(element, source) { + var options = Object.extend({ + setLeft: true, + setTop: true, + setWidth: true, + setHeight: true, + offsetTop: 0, + offsetLeft: 0 + }, arguments[2] || { }); + + // find page position of source + source = $(source); + var p = source.viewportOffset(); + + // find coordinate system to use + element = $(element); + var delta = [0, 0]; + var parent = null; + // delta [0,0] will do fine with position: fixed elements, + // position:absolute needs offsetParent deltas + if (Element.getStyle(element, 'position') == 'absolute') { + parent = element.getOffsetParent(); + delta = parent.viewportOffset(); + } + + // correct by body offsets (fixes Safari) + if (parent == document.body) { + delta[0] -= document.body.offsetLeft; + delta[1] -= document.body.offsetTop; + } + + // set position + if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; + if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; + if (options.setWidth) element.style.width = source.offsetWidth + 'px'; + if (options.setHeight) element.style.height = source.offsetHeight + 'px'; + return element; } }; -Object.extend(Element._attributeTranslations.values, { - href: Element._attributeTranslations.values._getAttr, - src: Element._attributeTranslations.values._getAttr, - disabled: Element._attributeTranslations.values._flag, - checked: Element._attributeTranslations.values._flag, - readonly: Element._attributeTranslations.values._flag, - multiple: Element._attributeTranslations.values._flag +Element.Methods.identify.counter = 1; + +Object.extend(Element.Methods, { + getElementsBySelector: Element.Methods.select, + childElements: Element.Methods.immediateDescendants }); -Element.Methods.Simulated = { - hasAttribute: function(element, attribute) { - var t = Element._attributeTranslations; - attribute = t.names[attribute] || attribute; - return $(element).getAttributeNode(attribute).specified; +Element._attributeTranslations = { + write: { + names: { + className: 'class', + htmlFor: 'for' + }, + values: { } } }; -// IE is missing .innerHTML support for TABLE-related elements -if (document.all && !window.opera){ - Element.Methods.update = function(element, html) { +if (Prototype.Browser.Opera) { + Element.Methods.getStyle = Element.Methods.getStyle.wrap( + function(proceed, element, style) { + switch (style) { + case 'left': case 'top': case 'right': case 'bottom': + if (proceed(element, 'position') === 'static') return null; + case 'height': case 'width': + // returns '0px' for hidden elements; we want it to return null + if (!Element.visible(element)) return null; + + // returns the border-box dimensions rather than the content-box + // dimensions, so we subtract padding and borders from the value + var dim = parseInt(proceed(element, style), 10); + + if (dim !== element['offset' + style.capitalize()]) + return dim + 'px'; + + var properties; + if (style === 'height') { + properties = ['border-top-width', 'padding-top', + 'padding-bottom', 'border-bottom-width']; + } + else { + properties = ['border-left-width', 'padding-left', + 'padding-right', 'border-right-width']; + } + return properties.inject(dim, function(memo, property) { + var val = proceed(element, property); + return val === null ? memo : memo - parseInt(val, 10); + }) + 'px'; + default: return proceed(element, style); + } + } + ); + + Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( + function(proceed, element, attribute) { + if (attribute === 'title') return element.title; + return proceed(element, attribute); + } + ); +} + +else if (Prototype.Browser.IE) { + // IE doesn't report offsets correctly for static elements, so we change them + // to "relative" to get the values, then change them back. + Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( + function(proceed, element) { + element = $(element); + var position = element.getStyle('position'); + if (position !== 'static') return proceed(element); + element.setStyle({ position: 'relative' }); + var value = proceed(element); + element.setStyle({ position: position }); + return value; + } + ); + + $w('positionedOffset viewportOffset').each(function(method) { + Element.Methods[method] = Element.Methods[method].wrap( + function(proceed, element) { + element = $(element); + var position = element.getStyle('position'); + if (position !== 'static') return proceed(element); + // Trigger hasLayout on the offset parent so that IE6 reports + // accurate offsetTop and offsetLeft values for position: fixed. + var offsetParent = element.getOffsetParent(); + if (offsetParent && offsetParent.getStyle('position') === 'fixed') + offsetParent.setStyle({ zoom: 1 }); + element.setStyle({ position: 'relative' }); + var value = proceed(element); + element.setStyle({ position: position }); + return value; + } + ); + }); + + Element.Methods.getStyle = function(element, style) { element = $(element); - html = typeof html == 'undefined' ? '' : html.toString(); - var tagName = element.tagName.toUpperCase(); - if (['THEAD','TBODY','TR','TD'].include(tagName)) { - var div = document.createElement('div'); - switch (tagName) { - case 'THEAD': - case 'TBODY': - div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; - depth = 2; - break; - case 'TR': - div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; - depth = 3; - break; - case 'TD': - div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; - depth = 4; + style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); + var value = element.style[style]; + if (!value && element.currentStyle) value = element.currentStyle[style]; + + if (style == 'opacity') { + if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) + if (value[1]) return parseFloat(value[1]) / 100; + return 1.0; + } + + if (value == 'auto') { + if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) + return element['offset' + style.capitalize()] + 'px'; + return null; + } + return value; + }; + + Element.Methods.setOpacity = function(element, value) { + function stripAlpha(filter){ + return filter.replace(/alpha\([^\)]*\)/gi,''); + } + element = $(element); + var currentStyle = element.currentStyle; + if ((currentStyle && !currentStyle.hasLayout) || + (!currentStyle && element.style.zoom == 'normal')) + element.style.zoom = 1; + + var filter = element.getStyle('filter'), style = element.style; + if (value == 1 || value === '') { + (filter = stripAlpha(filter)) ? + style.filter = filter : style.removeAttribute('filter'); + return element; + } else if (value < 0.00001) value = 0; + style.filter = stripAlpha(filter) + + 'alpha(opacity=' + (value * 100) + ')'; + return element; + }; + + Element._attributeTranslations = { + read: { + names: { + 'class': 'className', + 'for': 'htmlFor' + }, + values: { + _getAttr: function(element, attribute) { + return element.getAttribute(attribute, 2); + }, + _getAttrNode: function(element, attribute) { + var node = element.getAttributeNode(attribute); + return node ? node.value : ""; + }, + _getEv: function(element, attribute) { + attribute = element.getAttribute(attribute); + return attribute ? attribute.toString().slice(23, -2) : null; + }, + _flag: function(element, attribute) { + return $(element).hasAttribute(attribute) ? attribute : null; + }, + style: function(element) { + return element.style.cssText.toLowerCase(); + }, + title: function(element) { + return element.title; + } } - $A(element.childNodes).each(function(node){ - element.removeChild(node) - }); - depth.times(function(){ div = div.firstChild }); + } + }; - $A(div.childNodes).each( - function(node){ element.appendChild(node) }); - } else { - element.innerHTML = html.stripScripts(); + Element._attributeTranslations.write = { + names: Object.extend({ + cellpadding: 'cellPadding', + cellspacing: 'cellSpacing' + }, Element._attributeTranslations.read.names), + values: { + checked: function(element, value) { + element.checked = !!value; + }, + + style: function(element, value) { + element.style.cssText = value ? value : ''; + } } - setTimeout(function() {html.evalScripts()}, 10); + }; + + Element._attributeTranslations.has = {}; + + $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + + 'encType maxLength readOnly longDesc').each(function(attr) { + Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; + Element._attributeTranslations.has[attr.toLowerCase()] = attr; + }); + + (function(v) { + Object.extend(v, { + href: v._getAttr, + src: v._getAttr, + type: v._getAttr, + action: v._getAttrNode, + disabled: v._flag, + checked: v._flag, + readonly: v._flag, + multiple: v._flag, + onload: v._getEv, + onunload: v._getEv, + onclick: v._getEv, + ondblclick: v._getEv, + onmousedown: v._getEv, + onmouseup: v._getEv, + onmouseover: v._getEv, + onmousemove: v._getEv, + onmouseout: v._getEv, + onfocus: v._getEv, + onblur: v._getEv, + onkeypress: v._getEv, + onkeydown: v._getEv, + onkeyup: v._getEv, + onsubmit: v._getEv, + onreset: v._getEv, + onselect: v._getEv, + onchange: v._getEv + }); + })(Element._attributeTranslations.read.values); +} + +else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1) ? 0.999999 : + (value === '') ? '' : (value < 0.00001) ? 0 : value; return element; + }; +} + +else if (Prototype.Browser.WebKit) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; + + if (value == 1) + if(element.tagName == 'IMG' && element.width) { + element.width++; element.width--; + } else try { + var n = document.createTextNode(' '); + element.appendChild(n); + element.removeChild(n); + } catch (e) { } + + return element; + }; + + // Safari returns margins on body which is incorrect if the child is absolutely + // positioned. For performance reasons, redefine Element#cumulativeOffset for + // KHTML/WebKit only. + Element.Methods.cumulativeOffset = function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + if (element.offsetParent == document.body) + if (Element.getStyle(element, 'position') == 'absolute') break; + + element = element.offsetParent; + } while (element); + + return Element._returnOffset(valueL, valueT); + }; +} + +if (Prototype.Browser.IE || Prototype.Browser.Opera) { + // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements + Element.Methods.update = function(element, content) { + element = $(element); + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) return element.update().insert(content); + + content = Object.toHTML(content); + var tagName = element.tagName.toUpperCase(); + + if (tagName in Element._insertionTranslations.tags) { + $A(element.childNodes).each(function(node) { element.removeChild(node) }); + Element._getContentFromAnonymousElement(tagName, content.stripScripts()) + .each(function(node) { element.appendChild(node) }); + } + else element.innerHTML = content.stripScripts(); + + content.evalScripts.bind(content).defer(); + return element; + }; +} + +if ('outerHTML' in document.createElement('div')) { + Element.Methods.replace = function(element, content) { + element = $(element); + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) { + element.parentNode.replaceChild(content, element); + return element; + } + + content = Object.toHTML(content); + var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); + + if (Element._insertionTranslations.tags[tagName]) { + var nextSibling = element.next(); + var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + parent.removeChild(element); + if (nextSibling) + fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); + else + fragments.each(function(node) { parent.appendChild(node) }); + } + else element.outerHTML = content.stripScripts(); + + content.evalScripts.bind(content).defer(); + return element; + }; +} + +Element._returnOffset = function(l, t) { + var result = [l, t]; + result.left = l; + result.top = t; + return result; +}; + +Element._getContentFromAnonymousElement = function(tagName, html) { + var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; + if (t) { + div.innerHTML = t[0] + html + t[1]; + t[2].times(function() { div = div.firstChild }); + } else div.innerHTML = html; + return $A(div.childNodes); +}; + +Element._insertionTranslations = { + before: function(element, node) { + element.parentNode.insertBefore(node, element); + }, + top: function(element, node) { + element.insertBefore(node, element.firstChild); + }, + bottom: function(element, node) { + element.appendChild(node); + }, + after: function(element, node) { + element.parentNode.insertBefore(node, element.nextSibling); + }, + tags: { + TABLE: ['<table>', '</table>', 1], + TBODY: ['<table><tbody>', '</tbody></table>', 2], + TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], + TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], + SELECT: ['<select>', '</select>', 1] } }; +(function() { + Object.extend(this.tags, { + THEAD: this.tags.TBODY, + TFOOT: this.tags.TBODY, + TH: this.tags.TD + }); +}).call(Element._insertionTranslations); + +Element.Methods.Simulated = { + hasAttribute: function(element, attribute) { + attribute = Element._attributeTranslations.has[attribute] || attribute; + var node = $(element).getAttributeNode(attribute); + return node && node.specified; + } +}; + +Element.Methods.ByTag = { }; + Object.extend(Element, Element.Methods); -var _nativeExtensions = false; +if (!Prototype.BrowserFeatures.ElementExtensions && + document.createElement('div').__proto__) { + window.HTMLElement = { }; + window.HTMLElement.prototype = document.createElement('div').__proto__; + Prototype.BrowserFeatures.ElementExtensions = true; +} -if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) - ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { - var className = 'HTML' + tag + 'Element'; - if(window[className]) return; - var klass = window[className] = {}; - klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; +Element.extend = (function() { + if (Prototype.BrowserFeatures.SpecificElementExtensions) + return Prototype.K; + + var Methods = { }, ByTag = Element.Methods.ByTag; + + var extend = Object.extend(function(element) { + if (!element || element._extendedByPrototype || + element.nodeType != 1 || element == window) return element; + + var methods = Object.clone(Methods), + tagName = element.tagName, property, value; + + // extend methods for specific tags + if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); + + for (property in methods) { + value = methods[property]; + if (Object.isFunction(value) && !(property in element)) + element[property] = value.methodize(); + } + + element._extendedByPrototype = Prototype.emptyFunction; + return element; + + }, { + refresh: function() { + // extend methods for all tags (Safari doesn't need this) + if (!Prototype.BrowserFeatures.ElementExtensions) { + Object.extend(Methods, Element.Methods); + Object.extend(Methods, Element.Methods.Simulated); + } + } }); + extend.refresh(); + return extend; +})(); + +Element.hasAttribute = function(element, attribute) { + if (element.hasAttribute) return element.hasAttribute(attribute); + return Element.Methods.Simulated.hasAttribute(element, attribute); +}; + Element.addMethods = function(methods) { - Object.extend(Element.Methods, methods || {}); + var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; + if (!methods) { + Object.extend(Form, Form.Methods); + Object.extend(Form.Element, Form.Element.Methods); + Object.extend(Element.Methods.ByTag, { + "FORM": Object.clone(Form.Methods), + "INPUT": Object.clone(Form.Element.Methods), + "SELECT": Object.clone(Form.Element.Methods), + "TEXTAREA": Object.clone(Form.Element.Methods) + }); + } + + if (arguments.length == 2) { + var tagName = methods; + methods = arguments[1]; + } + + if (!tagName) Object.extend(Element.Methods, methods || { }); + else { + if (Object.isArray(tagName)) tagName.each(extend); + else extend(tagName); + } + + function extend(tagName) { + tagName = tagName.toUpperCase(); + if (!Element.Methods.ByTag[tagName]) + Element.Methods.ByTag[tagName] = { }; + Object.extend(Element.Methods.ByTag[tagName], methods); + } + function copy(methods, destination, onlyIfAbsent) { onlyIfAbsent = onlyIfAbsent || false; - var cache = Element.extend.cache; for (var property in methods) { var value = methods[property]; + if (!Object.isFunction(value)) continue; if (!onlyIfAbsent || !(property in destination)) - destination[property] = cache.findOrStore(value); + destination[property] = value.methodize(); } } - if (typeof HTMLElement != 'undefined') { + function findDOMClass(tagName) { + var klass; + var trans = { + "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", + "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", + "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", + "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", + "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": + "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": + "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": + "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": + "FrameSet", "IFRAME": "IFrame" + }; + if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; + if (window[klass]) return window[klass]; + klass = 'HTML' + tagName + 'Element'; + if (window[klass]) return window[klass]; + klass = 'HTML' + tagName.capitalize() + 'Element'; + if (window[klass]) return window[klass]; + + window[klass] = { }; + window[klass].prototype = document.createElement(tagName).__proto__; + return window[klass]; + } + + if (F.ElementExtensions) { copy(Element.Methods, HTMLElement.prototype); copy(Element.Methods.Simulated, HTMLElement.prototype, true); - copy(Form.Methods, HTMLFormElement.prototype); - [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { - copy(Form.Element.Methods, klass.prototype); + } + + if (F.SpecificElementExtensions) { + for (var tag in Element.Methods.ByTag) { + var klass = findDOMClass(tag); + if (Object.isUndefined(klass)) continue; + copy(T[tag], klass.prototype); + } + } + + Object.extend(Element, Element.Methods); + delete Element.ByTag; + + if (Element.extend.refresh) Element.extend.refresh(); + Element.cache = { }; +}; + +document.viewport = { + getDimensions: function() { + var dimensions = { }; + var B = Prototype.Browser; + $w('width height').each(function(d) { + var D = d.capitalize(); + dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] : + (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D]; }); - _nativeExtensions = true; + return dimensions; + }, + + getWidth: function() { + return this.getDimensions().width; + }, + + getHeight: function() { + return this.getDimensions().height; + }, + + getScrollOffsets: function() { + return Element._returnOffset( + window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, + window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); } -} +}; +/* Portions of the Selector class are derived from Jack Slocum�۪s DomQuery, + * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style + * license. Please see http://www.yui-ext.com/ for more information. */ -var Toggle = new Object(); -Toggle.display = Element.toggle; +var Selector = Class.create({ + initialize: function(expression) { + this.expression = expression.strip(); + this.compileMatcher(); + }, -/*--------------------------------------------------------------------------*/ + shouldUseXPath: function() { + if (!Prototype.BrowserFeatures.XPath) return false; -Abstract.Insertion = function(adjacency) { - this.adjacency = adjacency; -} + var e = this.expression; -Abstract.Insertion.prototype = { - initialize: function(element, content) { - this.element = $(element); - this.content = content.stripScripts(); + // Safari 3 chokes on :*-of-type and :empty + if (Prototype.Browser.WebKit && + (e.include("-of-type") || e.include(":empty"))) + return false; - if (this.adjacency && this.element.insertAdjacentHTML) { - try { - this.element.insertAdjacentHTML(this.adjacency, this.content); - } catch (e) { - var tagName = this.element.tagName.toUpperCase(); - if (['TBODY', 'TR'].include(tagName)) { - this.insertContent(this.contentFromAnonymousTable()); - } else { - throw e; + // XPath can't do namespaced attributes, nor can it read + // the "checked" property from DOM nodes + if ((/(\[[\w-]*?:|:checked)/).test(this.expression)) + return false; + + return true; + }, + + compileMatcher: function() { + if (this.shouldUseXPath()) + return this.compileXPathMatcher(); + + var e = this.expression, ps = Selector.patterns, h = Selector.handlers, + c = Selector.criteria, le, p, m; + + if (Selector._cache[e]) { + this.matcher = Selector._cache[e]; + return; + } + + this.matcher = ["this.matcher = function(root) {", + "var r = root, h = Selector.handlers, c = false, n;"]; + + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i in ps) { + p = ps[i]; + if (m = e.match(p)) { + this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : + new Template(c[i]).evaluate(m)); + e = e.replace(m[0], ''); + break; } } - } else { - this.range = this.element.ownerDocument.createRange(); - if (this.initializeRange) this.initializeRange(); - this.insertContent([this.range.createContextualFragment(this.content)]); } - setTimeout(function() {content.evalScripts()}, 10); + this.matcher.push("return h.unique(n);\n}"); + eval(this.matcher.join('\n')); + Selector._cache[this.expression] = this.matcher; }, - contentFromAnonymousTable: function() { - var div = document.createElement('div'); - div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; - return $A(div.childNodes[0].childNodes[0].childNodes); - } -} + compileXPathMatcher: function() { + var e = this.expression, ps = Selector.patterns, + x = Selector.xpath, le, m; -var Insertion = new Object(); + if (Selector._cache[e]) { + this.xpath = Selector._cache[e]; return; + } -Insertion.Before = Class.create(); -Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { - initializeRange: function() { - this.range.setStartBefore(this.element); + this.matcher = ['.//*']; + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i in ps) { + if (m = e.match(ps[i])) { + this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : + new Template(x[i]).evaluate(m)); + e = e.replace(m[0], ''); + break; + } + } + } + + this.xpath = this.matcher.join(''); + Selector._cache[this.expression] = this.xpath; }, - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, this.element); - }).bind(this)); - } -}); - -Insertion.Top = Class.create(); -Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(true); + findElements: function(root) { + root = root || document; + if (this.xpath) return document._getElementsByXPath(this.xpath, root); + return this.matcher(root); }, - insertContent: function(fragments) { - fragments.reverse(false).each((function(fragment) { - this.element.insertBefore(fragment, this.element.firstChild); - }).bind(this)); - } -}); + match: function(element) { + this.tokens = []; -Insertion.Bottom = Class.create(); -Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(this.element); - }, + var e = this.expression, ps = Selector.patterns, as = Selector.assertions; + var le, p, m; - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.appendChild(fragment); - }).bind(this)); - } -}); + while (e && le !== e && (/\S/).test(e)) { + le = e; + for (var i in ps) { + p = ps[i]; + if (m = e.match(p)) { + // use the Selector.assertions methods unless the selector + // is too complex. + if (as[i]) { + this.tokens.push([i, Object.clone(m)]); + e = e.replace(m[0], ''); + } else { + // reluctantly do a document-wide search + // and look for a match in the array + return this.findElements(document).include(element); + } + } + } + } -Insertion.After = Class.create(); -Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { - initializeRange: function() { - this.range.setStartAfter(this.element); + var match = true, name, matches; + for (var i = 0, token; token = this.tokens[i]; i++) { + name = token[0], matches = token[1]; + if (!Selector.assertions[name](element, matches)) { + match = false; break; + } + } + + return match; }, - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, - this.element.nextSibling); - }).bind(this)); + toString: function() { + return this.expression; + }, + + inspect: function() { + return "#<Selector:" + this.expression.inspect() + ">"; } }); -/*--------------------------------------------------------------------------*/ +Object.extend(Selector, { + _cache: { }, -Element.ClassNames = Class.create(); -Element.ClassNames.prototype = { - initialize: function(element) { - this.element = $(element); - }, + xpath: { + descendant: "//*", + child: "/*", + adjacent: "/following-sibling::*[1]", + laterSibling: '/following-sibling::*', + tagName: function(m) { + if (m[1] == '*') return ''; + return "[local-name()='" + m[1].toLowerCase() + + "' or local-name()='" + m[1].toUpperCase() + "']"; + }, + className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", + id: "[@id='#{1}']", + attrPresence: function(m) { + m[1] = m[1].toLowerCase(); + return new Template(&quot;[(a)#{1}]&quot;).evaluate(m); + }, + attr: function(m) { + m[1] = m[1].toLowerCase(); + m[3] = m[5] || m[6]; + return new Template(Selector.xpath.operators[m[2]]).evaluate(m); + }, + pseudo: function(m) { + var h = Selector.xpath.pseudos[m[1]]; + if (!h) return ''; + if (Object.isFunction(h)) return h(m); + return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); + }, + operators: { + '=': "[@#{1}='#{3}']", + '!=': "[@#{1}!='#{3}']", + '^=': "[starts-with(@#{1}, '#{3}')]", + '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", + '*=': "[contains(@#{1}, '#{3}')]", + '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", + '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" + }, + pseudos: { + 'first-child': '[not(preceding-sibling::*)]', + 'last-child': '[not(following-sibling::*)]', + 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', + 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", + 'checked': "[@checked]", + 'disabled': "[@disabled]", + 'enabled': "[not(@disabled)]", + 'not': function(m) { + var e = m[6], p = Selector.patterns, + x = Selector.xpath, le, v; - _each: function(iterator) { - this.element.className.split(/\s+/).select(function(name) { - return name.length > 0; - })._each(iterator); + var exclusion = []; + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i in p) { + if (m = e.match(p[i])) { + v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); + exclusion.push("(" + v.substring(1, v.length - 1) + ")"); + e = e.replace(m[0], ''); + break; + } + } + } + return "[not(" + exclusion.join(" and ") + ")]"; + }, + 'nth-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); + }, + 'nth-last-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); + }, + 'nth-of-type': function(m) { + return Selector.xpath.pseudos.nth("position() ", m); + }, + 'nth-last-of-type': function(m) { + return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); + }, + 'first-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); + }, + 'last-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); + }, + 'only-of-type': function(m) { + var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); + }, + nth: function(fragment, m) { + var mm, formula = m[6], predicate; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + if (mm = formula.match(/^(\d+)$/)) // digit only + return '[' + fragment + "= " + mm[1] + ']'; + if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (mm[1] == "-") mm[1] = -1; + var a = mm[1] ? Number(mm[1]) : 1; + var b = mm[2] ? Number(mm[2]) : 0; + predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + + "((#{fragment} - #{b}) div #{a} >= 0)]"; + return new Template(predicate).evaluate({ + fragment: fragment, a: a, b: b }); + } + } + } }, - set: function(className) { - this.element.className = className; + criteria: { + tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', + className: 'n = h.className(n, r, "#{1}", c); c = false;', + id: 'n = h.id(n, r, "#{1}", c); c = false;', + attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', + attr: function(m) { + m[3] = (m[5] || m[6]); + return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); + }, + pseudo: function(m) { + if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); + return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); + }, + descendant: 'c = "descendant";', + child: 'c = "child";', + adjacent: 'c = "adjacent";', + laterSibling: 'c = "laterSibling";' }, - add: function(classNameToAdd) { - if (this.include(classNameToAdd)) return; - this.set($A(this).concat(classNameToAdd).join(' ')); - }, + patterns: { + // combinators must be listed first + // (and descendant needs to be last combinator) + laterSibling: /^\s*~\s*/, + child: /^\s*>\s*/, + adjacent: /^\s*\+\s*/, + descendant: /^\s/, - remove: function(classNameToRemove) { - if (!this.include(classNameToRemove)) return; - this.set($A(this).without(classNameToRemove).join(' ')); + // selectors follow + tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, + id: /^#([\w\-\*]+)(\b|$)/, + className: /^\.([\w\-\*]+)(\b|$)/, + pseudo: +/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, + attrPresence: /^\[([\w]+)\]/, + attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }, - toString: function() { - return $A(this).join(' '); - } -}; + // for Selector.match and Element#match + assertions: { + tagName: function(element, matches) { + return matches[1].toUpperCase() == element.tagName.toUpperCase(); + }, -Object.extend(Element.ClassNames.prototype, Enumerable); -var Selector = Class.create(); -Selector.prototype = { - initialize: function(expression) { - this.params = {classNames: []}; - this.expression = expression.toString().strip(); - this.parseExpression(); - this.compileMatcher(); - }, + className: function(element, matches) { + return Element.hasClassName(element, matches[1]); + }, - parseExpression: function() { - function abort(message) { throw 'Parse error in selector: ' + message; } + id: function(element, matches) { + return element.id === matches[1]; + }, - if (this.expression == '') abort('empty expression'); + attrPresence: function(element, matches) { + return Element.hasAttribute(element, matches[1]); + }, - var params = this.params, expr = this.expression, match, modifier, clause, rest; - while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { - params.attributes = params.attributes || []; - params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); - expr = match[1]; + attr: function(element, matches) { + var nodeValue = Element.readAttribute(element, matches[1]); + return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); } + }, - if (expr == '*') return this.params.wildcard = true; + handlers: { + // UTILITY FUNCTIONS + // joins two collections + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + a.push(node); + return a; + }, - while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { - modifier = match[1], clause = match[2], rest = match[3]; - switch (modifier) { - case '#': params.id = clause; break; - case '.': params.classNames.push(clause); break; - case '': - case undefined: params.tagName = clause.toUpperCase(); break; - default: abort(expr.inspect()); + // marks an array of nodes for counting + mark: function(nodes) { + var _true = Prototype.emptyFunction; + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = _true; + return nodes; + }, + + unmark: function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = undefined; + return nodes; + }, + + // mark each child node with its position (for nth calls) + // "ofType" flag indicates whether we're indexing for nth-of-type + // rather than nth-child + index: function(parentNode, reverse, ofType) { + parentNode._countedByPrototype = Prototype.emptyFunction; + if (reverse) { + for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { + var node = nodes[i]; + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; + } + } else { + for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; } - expr = rest; - } + }, - if (expr.length > 0) abort(expr.inspect()); - }, + // filters out duplicates and extends all nodes + unique: function(nodes) { + if (nodes.length == 0) return nodes; + var results = [], n; + for (var i = 0, l = nodes.length; i < l; i++) + if (!(n = nodes[i])._countedByPrototype) { + n._countedByPrototype = Prototype.emptyFunction; + results.push(Element.extend(n)); + } + return Selector.handlers.unmark(results); + }, - buildMatchExpression: function() { - var params = this.params, conditions = [], clause; + // COMBINATOR FUNCTIONS + descendant: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + h.concat(results, node.getElementsByTagName('*')); + return results; + }, - if (params.wildcard) - conditions.push('true'); - if (clause = params.id) - conditions.push('element.readAttribute("id") == ' + clause.inspect()); - if (clause = params.tagName) - conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); - if ((clause = params.classNames).length > 0) - for (var i = 0, length = clause.length; i < length; i++) - conditions.push('element.hasClassName(' + clause[i].inspect() + ')'); - if (clause = params.attributes) { - clause.each(function(attribute) { - var value = 'element.readAttribute(' + attribute.name.inspect() + ')'; - var splitValueBy = function(delimiter) { - return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; + child: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) { + for (var j = 0, child; child = node.childNodes[j]; j++) + if (child.nodeType == 1 && child.tagName != '!') results.push(child); + } + return results; + }, + + adjacent: function(nodes) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + var next = this.nextElementSibling(node); + if (next) results.push(next); + } + return results; + }, + + laterSibling: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + h.concat(results, Element.nextSiblings(node)); + return results; + }, + + nextElementSibling: function(node) { + while (node = node.nextSibling) + if (node.nodeType == 1) return node; + return null; + }, + + previousElementSibling: function(node) { + while (node = node.previousSibling) + if (node.nodeType == 1) return node; + return null; + }, + + // TOKEN FUNCTIONS + tagName: function(nodes, root, tagName, combinator) { + var uTagName = tagName.toUpperCase(); + var results = [], h = Selector.handlers; + if (nodes) { + if (combinator) { + // fastlane for ordinary descendant combinators + if (combinator == "descendant") { + for (var i = 0, node; node = nodes[i]; i++) + h.concat(results, node.getElementsByTagName(tagName)); + return results; + } else nodes = this[combinator](nodes); + if (tagName == "*") return nodes; } + for (var i = 0, node; node = nodes[i]; i++) + if (node.tagName.toUpperCase() === uTagName) results.push(node); + return results; + } else return root.getElementsByTagName(tagName); + }, - switch (attribute.operator) { - case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; - case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; - case '|=': conditions.push( - splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() - ); break; - case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; - case '': - case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break; - default: throw 'Unknown operator ' + attribute.operator + ' in selector'; + id: function(nodes, root, id, combinator) { + var targetNode = $(id), h = Selector.handlers; + if (!targetNode) return []; + if (!nodes && root == document) return [targetNode]; + if (nodes) { + if (combinator) { + if (combinator == 'child') { + for (var i = 0, node; node = nodes[i]; i++) + if (targetNode.parentNode == node) return [targetNode]; + } else if (combinator == 'descendant') { + for (var i = 0, node; node = nodes[i]; i++) + if (Element.descendantOf(targetNode, node)) return [targetNode]; + } else if (combinator == 'adjacent') { + for (var i = 0, node; node = nodes[i]; i++) + if (Selector.handlers.previousElementSibling(targetNode) == node) + return [targetNode]; + } else nodes = h[combinator](nodes); } - }); - } + for (var i = 0, node; node = nodes[i]; i++) + if (node == targetNode) return [targetNode]; + return []; + } + return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; + }, - return conditions.join(' && '); - }, + className: function(nodes, root, className, combinator) { + if (nodes && combinator) nodes = this[combinator](nodes); + return Selector.handlers.byClassName(nodes, root, className); + }, - compileMatcher: function() { - this.match = new Function('element', 'if (!element.tagName) return false; \ - element = $(element); \ - return ' + this.buildMatchExpression()); + byClassName: function(nodes, root, className) { + if (!nodes) nodes = Selector.handlers.descendant([root]); + var needle = ' ' + className + ' '; + for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { + nodeClassName = node.className; + if (nodeClassName.length == 0) continue; + if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) + results.push(node); + } + return results; + }, + + attrPresence: function(nodes, root, attr, combinator) { + if (!nodes) nodes = root.getElementsByTagName("*"); + if (nodes && combinator) nodes = this[combinator](nodes); + var results = []; + for (var i = 0, node; node = nodes[i]; i++) + if (Element.hasAttribute(node, attr)) results.push(node); + return results; + }, + + attr: function(nodes, root, attr, value, operator, combinator) { + if (!nodes) nodes = root.getElementsByTagName("*"); + if (nodes && combinator) nodes = this[combinator](nodes); + var handler = Selector.operators[operator], results = []; + for (var i = 0, node; node = nodes[i]; i++) { + var nodeValue = Element.readAttribute(node, attr); + if (nodeValue === null) continue; + if (handler(nodeValue, value)) results.push(node); + } + return results; + }, + + pseudo: function(nodes, name, value, root, combinator) { + if (nodes && combinator) nodes = this[combinator](nodes); + if (!nodes) nodes = root.getElementsByTagName("*"); + return Selector.pseudos[name](nodes, value, root); + } }, - findElements: function(scope) { - var element; + pseudos: { + 'first-child': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + if (Selector.handlers.previousElementSibling(node)) continue; + results.push(node); + } + return results; + }, + 'last-child': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + if (Selector.handlers.nextElementSibling(node)) continue; + results.push(node); + } + return results; + }, + 'only-child': function(nodes, value, root) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) + results.push(node); + return results; + }, + 'nth-child': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root); + }, + 'nth-last-child': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, true); + }, + 'nth-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, false, true); + }, + 'nth-last-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, true, true); + }, + 'first-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, "1", root, false, true); + }, + 'last-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, "1", root, true, true); + }, + 'only-of-type': function(nodes, formula, root) { + var p = Selector.pseudos; + return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); + }, - if (element = $(this.params.id)) - if (this.match(element)) - if (!scope || Element.childOf(element, scope)) - return [element]; + // handles the an+b logic + getIndices: function(a, b, total) { + if (a == 0) return b > 0 ? [b] : []; + return $R(1, total).inject([], function(memo, i) { + if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); + return memo; + }); + }, - scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); + // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type + nth: function(nodes, formula, root, reverse, ofType) { + if (nodes.length == 0) return []; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + var h = Selector.handlers, results = [], indexed = [], m; + h.mark(nodes); + for (var i = 0, node; node = nodes[i]; i++) { + if (!node.parentNode._countedByPrototype) { + h.index(node.parentNode, reverse, ofType); + indexed.push(node.parentNode); + } + } + if (formula.match(/^\d+$/)) { // just a number + formula = Number(formula); + for (var i = 0, node; node = nodes[i]; i++) + if (node.nodeIndex == formula) results.push(node); + } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (m[1] == "-") m[1] = -1; + var a = m[1] ? Number(m[1]) : 1; + var b = m[2] ? Number(m[2]) : 0; + var indices = Selector.pseudos.getIndices(a, b, nodes.length); + for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { + for (var j = 0; j < l; j++) + if (node.nodeIndex == indices[j]) results.push(node); + } + } + h.unmark(nodes); + h.unmark(indexed); + return results; + }, - var results = []; - for (var i = 0, length = scope.length; i < length; i++) - if (this.match(element = scope[i])) - results.push(Element.extend(element)); + 'empty': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + // IE treats comments as element nodes + if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; + results.push(node); + } + return results; + }, - return results; + 'not': function(nodes, selector, root) { + var h = Selector.handlers, selectorType, m; + var exclusions = new Selector(selector).findElements(root); + h.mark(exclusions); + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node._countedByPrototype) results.push(node); + h.unmark(exclusions); + return results; + }, + + 'enabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node.disabled) results.push(node); + return results; + }, + + 'disabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.disabled) results.push(node); + return results; + }, + + 'checked': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.checked) results.push(node); + return results; + } }, - toString: function() { - return this.expression; - } -} + operators: { + '=': function(nv, v) { return nv == v; }, + '!=': function(nv, v) { return nv != v; }, + '^=': function(nv, v) { return nv.startsWith(v); }, + '$=': function(nv, v) { return nv.endsWith(v); }, + '*=': function(nv, v) { return nv.include(v); }, + '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, + '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } + }, -Object.extend(Selector, { + split: function(expression) { + var expressions = []; + expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { + expressions.push(m[1].strip()); + }); + return expressions; + }, + matchElements: function(elements, expression) { - var selector = new Selector(expression); - return elements.select(selector.match.bind(selector)).map(Element.extend); + var matches = $$(expression), h = Selector.handlers; + h.mark(matches); + for (var i = 0, results = [], element; element = elements[i]; i++) + if (element._countedByPrototype) results.push(element); + h.unmark(matches); + return results; }, findElement: function(elements, expression, index) { - if (typeof expression == 'number') index = expression, expression = false; + if (Object.isNumber(expression)) { + index = expression; expression = false; + } return Selector.matchElements(elements, expression || '*')[index || 0]; }, findChildElements: function(element, expressions) { - return expressions.map(function(expression) { - return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { - var selector = new Selector(expr); - return results.inject([], function(elements, result) { - return elements.concat(selector.findElements(result || element)); - }); - }); - }).flatten(); + expressions = Selector.split(expressions.join(',')); + var results = [], h = Selector.handlers; + for (var i = 0, l = expressions.length, selector; i < l; i++) { + selector = new Selector(expressions[i].strip()); + h.concat(results, selector.findElements(element)); + } + return (l > 1) ? h.unique(results) : results; } }); +if (Prototype.Browser.IE) { + Object.extend(Selector.handlers, { + // IE returns comment nodes on getElementsByTagName("*"). + // Filter them out. + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + if (node.tagName !== "!") a.push(node); + return a; + }, + + // IE improperly serializes _countedByPrototype in (inner|outer)HTML. + unmark: function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node.removeAttribute('_countedByPrototype'); + return nodes; + } + }); +} + function $$() { return Selector.findChildElements(document, $A(arguments)); } @@ -1876,13 +3378,19 @@ return form; }, - serializeElements: function(elements, getHash) { - var data = elements.inject({}, function(result, element) { + serializeElements: function(elements, options) { + if (typeof options != 'object') options = { hash: !!options }; + else if (Object.isUndefined(options.hash)) options.hash = true; + var key, value, submitted = false, submit = options.submit; + + var data = elements.inject({ }, function(result, element) { if (!element.disabled && element.name) { - var key = element.name, value = $(element).getValue(); - if (value != undefined) { - if (result[key]) { - if (result[key].constructor != Array) result[key] = [result[key]]; + key = element.name; value = $(element).getValue(); + if (value != null && (element.type != 'submit' || (!submitted && + submit !== false && (!submit || key == submit) && (submitted = true)))) { + if (key in result) { + // a key is already present; construct an array of values + if (!Object.isArray(result[key])) result[key] = [result[key]]; result[key].push(value); } else result[key] = value; @@ -1891,13 +3399,13 @@ return result; }); - return getHash ? data : Hash.toQueryString(data); + return options.hash ? data : Object.toQueryString(data); } }; Form.Methods = { - serialize: function(form, getHash) { - return Form.serializeElements(Form.getElements(form), getHash); + serialize: function(form, options) { + return Form.serializeElements(Form.getElements(form), options); }, getElements: function(form) { @@ -1928,37 +3436,54 @@ disable: function(form) { form = $(form); - form.getElements().each(function(element) { - element.blur(); - element.disabled = 'true'; - }); + Form.getElements(form).invoke('disable'); return form; }, enable: function(form) { form = $(form); - form.getElements().each(function(element) { - element.disabled = ''; - }); + Form.getElements(form).invoke('enable'); return form; }, findFirstElement: function(form) { - return $(form).getElements().find(function(element) { - return element.type != 'hidden' && !element.disabled && - ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); + var elements = $(form).getElements().findAll(function(element) { + return 'hidden' != element.type && !element.disabled; }); + var firstByIndex = elements.findAll(function(element) { + return element.hasAttribute('tabIndex') && element.tabIndex >= 0; + }).sortBy(function(element) { return element.tabIndex }).first(); + + return firstByIndex ? firstByIndex : elements.find(function(element) { + return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); + }); }, focusFirstElement: function(form) { form = $(form); form.findFirstElement().activate(); return form; + }, + + request: function(form, options) { + form = $(form), options = Object.clone(options || { }); + + var params = options.parameters, action = form.readAttribute('action') || ''; + if (action.blank()) action = window.location.href; + options.parameters = form.serialize(true); + + if (params) { + if (Object.isString(params)) params = params.toQueryParams(); + Object.extend(options.parameters, params); + } + + if (form.hasAttribute('method') && !options.method) + options.method = form.method; + + return new Ajax.Request(action, options); } -} +}; -Object.extend(Form, Form.Methods); - /*--------------------------------------------------------------------------*/ Form.Element = { @@ -1971,7 +3496,7 @@ $(element).select(); return element; } -} +}; Form.Element.Methods = { serialize: function(element) { @@ -1979,9 +3504,9 @@ if (!element.disabled && element.name) { var value = element.getValue(); if (value != undefined) { - var pair = {}; + var pair = { }; pair[element.name] = value; - return Hash.toQueryString(pair); + return Object.toQueryString(pair); } } return ''; @@ -1993,6 +3518,13 @@ return Form.Element.Serializers[method](element); }, + setValue: function(element, value) { + element = $(element); + var method = element.tagName.toLowerCase(); + Form.Element.Serializers[method](element, value); + return element; + }, + clear: function(element) { $(element).value = ''; return element; @@ -2004,55 +3536,75 @@ activate: function(element) { element = $(element); - element.focus(); - if (element.select && ( element.tagName.toLowerCase() != 'input' || - !['button', 'reset', 'submit'].include(element.type) ) ) - element.select(); + try { + element.focus(); + if (element.select && (element.tagName.toLowerCase() != 'input' || + !['button', 'reset', 'submit'].include(element.type))) + element.select(); + } catch (e) { } return element; }, disable: function(element) { element = $(element); + element.blur(); element.disabled = true; return element; }, enable: function(element) { element = $(element); - element.blur(); element.disabled = false; return element; } -} +}; -Object.extend(Form.Element, Form.Element.Methods); +/*--------------------------------------------------------------------------*/ + var Field = Form.Element; -var $F = Form.Element.getValue; +var $F = Form.Element.Methods.getValue; /*--------------------------------------------------------------------------*/ Form.Element.Serializers = { - input: function(element) { + input: function(element, value) { switch (element.type.toLowerCase()) { case 'checkbox': case 'radio': - return Form.Element.Serializers.inputSelector(element); + return Form.Element.Serializers.inputSelector(element, value); default: - return Form.Element.Serializers.textarea(element); + return Form.Element.Serializers.textarea(element, value); } }, - inputSelector: function(element) { - return element.checked ? element.value : null; + inputSelector: function(element, value) { + if (Object.isUndefined(value)) return element.checked ? element.value : null; + else element.checked = !!value; }, - textarea: function(element) { - return element.value; + textarea: function(element, value) { + if (Object.isUndefined(value)) return element.value; + else element.value = value; }, - select: function(element) { - return this[element.type == 'select-one' ? - 'selectOne' : 'selectMany'](element); + select: function(element, index) { + if (Object.isUndefined(index)) + return this[element.type == 'select-one' ? + 'selectOne' : 'selectMany'](element); + else { + var opt, value, single = !Object.isArray(index); + for (var i = 0, length = element.length; i < length; i++) { + opt = element.options[i]; + value = this.optionValue(opt); + if (single) { + if (value == index) { + opt.selected = true; + return; + } + } + else opt.selected = index.include(value); + } + } }, selectOne: function(element) { @@ -2075,45 +3627,34 @@ // extend element because hasAttribute may not be native return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; } -} +}; /*--------------------------------------------------------------------------*/ -Abstract.TimedObserver = function() {} -Abstract.TimedObserver.prototype = { - initialize: function(element, frequency, callback) { - this.frequency = frequency; +Abstract.TimedObserver = Class.create(PeriodicalExecuter, { + initialize: function($super, element, frequency, callback) { + $super(callback, frequency); this.element = $(element); - this.callback = callback; - this.lastValue = this.getValue(); - this.registerCallback(); }, - registerCallback: function() { - setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); - }, - - onTimerEvent: function() { + execute: function() { var value = this.getValue(); - var changed = ('string' == typeof this.lastValue && 'string' == typeof value - ? this.lastValue != value : String(this.lastValue) != String(value)); - if (changed) { + if (Object.isString(this.lastValue) && Object.isString(value) ? + this.lastValue != value : String(this.lastValue) != String(value)) { this.callback(this.element, value); this.lastValue = value; } } -} +}); -Form.Element.Observer = Class.create(); -Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { +Form.Element.Observer = Class.create(Abstract.TimedObserver, { getValue: function() { return Form.Element.getValue(this.element); } }); -Form.Observer = Class.create(); -Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { +Form.Observer = Class.create(Abstract.TimedObserver, { getValue: function() { return Form.serialize(this.element); } @@ -2121,8 +3662,7 @@ /*--------------------------------------------------------------------------*/ -Abstract.EventObserver = function() {} -Abstract.EventObserver.prototype = { +Abstract.EventObserver = Class.create({ initialize: function(element, callback) { this.element = $(element); this.callback = callback; @@ -2143,7 +3683,7 @@ }, registerFormCallbacks: function() { - Form.getElements(this.element).each(this.registerCallback.bind(this)); + Form.getElements(this.element).each(this.registerCallback, this); }, registerCallback: function(element) { @@ -2159,24 +3699,20 @@ } } } -} +}); -Form.Element.EventObserver = Class.create(); -Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { +Form.Element.EventObserver = Class.create(Abstract.EventObserver, { getValue: function() { return Form.Element.getValue(this.element); } }); -Form.EventObserver = Class.create(); -Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { +Form.EventObserver = Class.create(Abstract.EventObserver, { getValue: function() { return Form.serialize(this.element); } }); -if (!window.Event) { - var Event = new Object(); -} +if (!window.Event) var Event = { }; Object.extend(Event, { KEY_BACKSPACE: 8, @@ -2192,102 +3728,339 @@ KEY_END: 35, KEY_PAGEUP: 33, KEY_PAGEDOWN: 34, + KEY_INSERT: 45, - element: function(event) { - return event.target || event.srcElement; - }, + cache: { }, - isLeftClick: function(event) { - return (((event.which) && (event.which == 1)) || - ((event.button) && (event.button == 1))); - }, + relatedTarget: function(event) { + var element; + switch(event.type) { + case 'mouseover': element = event.fromElement; break; + case 'mouseout': element = event.toElement; break; + default: return null; + } + return Element.extend(element); + } +}); - pointerX: function(event) { - return event.pageX || (event.clientX + - (document.documentElement.scrollLeft || document.body.scrollLeft)); - }, +Event.Methods = (function() { + var isButton; - pointerY: function(event) { - return event.pageY || (event.clientY + - (document.documentElement.scrollTop || document.body.scrollTop)); - }, + if (Prototype.Browser.IE) { + var buttonMap = { 0: 1, 1: 4, 2: 2 }; + isButton = function(event, code) { + return event.button == buttonMap[code]; + }; - stop: function(event) { - if (event.preventDefault) { + } else if (Prototype.Browser.WebKit) { + isButton = function(event, code) { + switch (code) { + case 0: return event.which == 1 && !event.metaKey; + case 1: return event.which == 1 && event.metaKey; + default: return false; + } + }; + + } else { + isButton = function(event, code) { + return event.which ? (event.which === code + 1) : (event.button === code); + }; + } + + return { + isLeftClick: function(event) { return isButton(event, 0) }, + isMiddleClick: function(event) { return isButton(event, 1) }, + isRightClick: function(event) { return isButton(event, 2) }, + + element: function(event) { + var node = Event.extend(event).target; + return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node); + }, + + findElement: function(event, expression) { + var element = Event.element(event); + if (!expression) return element; + var elements = [element].concat(element.ancestors()); + return Selector.findElement(elements, expression, 0); + }, + + pointer: function(event) { + return { + x: event.pageX || (event.clientX + + (document.documentElement.scrollLeft || document.body.scrollLeft)), + y: event.pageY || (event.clientY + + (document.documentElement.scrollTop || document.body.scrollTop)) + }; + }, + + pointerX: function(event) { return Event.pointer(event).x }, + pointerY: function(event) { return Event.pointer(event).y }, + + stop: function(event) { + Event.extend(event); event.preventDefault(); event.stopPropagation(); - } else { - event.returnValue = false; - event.cancelBubble = true; + event.stopped = true; } - }, + }; +})(); - // find the first node with the given tagName, starting from the - // node the event was triggered on; traverses the DOM upwards - findElement: function(event, tagName) { - var element = Event.element(event); - while (element.parentNode && (!element.tagName || - (element.tagName.toUpperCase() != tagName.toUpperCase()))) - element = element.parentNode; - return element; - }, +Event.extend = (function() { + var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { + m[name] = Event.Methods[name].methodize(); + return m; + }); - observers: false, + if (Prototype.Browser.IE) { + Object.extend(methods, { + stopPropagation: function() { this.cancelBubble = true }, + preventDefault: function() { this.returnValue = false }, + inspect: function() { return "[object Event]" } + }); - _observeAndCache: function(element, name, observer, useCapture) { - if (!this.observers) this.observers = []; - if (element.addEventListener) { - this.observers.push([element, name, observer, useCapture]); - element.addEventListener(name, observer, useCapture); - } else if (element.attachEvent) { - this.observers.push([element, name, observer, useCapture]); - element.attachEvent('on' + name, observer); + return function(event) { + if (!event) return false; + if (event._extendedByPrototype) return event; + + event._extendedByPrototype = Prototype.emptyFunction; + var pointer = Event.pointer(event); + Object.extend(event, { + target: event.srcElement, + relatedTarget: Event.relatedTarget(event), + pageX: pointer.x, + pageY: pointer.y + }); + return Object.extend(event, methods); + }; + + } else { + Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__; + Object.extend(Event.prototype, methods); + return Prototype.K; + } +})(); + +Object.extend(Event, (function() { + var cache = Event.cache; + + function getEventID(element) { + if (element._prototypeEventID) return element._prototypeEventID[0]; + arguments.callee.id = arguments.callee.id || 1; + return element._prototypeEventID = [++arguments.callee.id]; + } + + function getDOMEventName(eventName) { + if (eventName && eventName.include(':')) return "dataavailable"; + return eventName; + } + + function getCacheForID(id) { + return cache[id] = cache[id] || { }; + } + + function getWrappersForEventName(id, eventName) { + var c = getCacheForID(id); + return c[eventName] = c[eventName] || []; + } + + function createWrapper(element, eventName, handler) { + var id = getEventID(element); + var c = getWrappersForEventName(id, eventName); + if (c.pluck("handler").include(handler)) return false; + + var wrapper = function(event) { + if (!Event || !Event.extend || + (event.eventName && event.eventName != eventName)) + return false; + + Event.extend(event); + handler.call(element, event); + }; + + wrapper.handler = handler; + c.push(wrapper); + return wrapper; + } + + function findWrapper(id, eventName, handler) { + var c = getWrappersForEventName(id, eventName); + return c.find(function(wrapper) { return wrapper.handler == handler }); + } + + function destroyWrapper(id, eventName, handler) { + var c = getCacheForID(id); + if (!c[eventName]) return false; + c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); + } + + function destroyCache() { + for (var id in cache) + for (var eventName in cache[id]) + cache[id][eventName] = null; + } + + if (window.attachEvent) { + window.attachEvent("onunload", destroyCache); + } + + return { + observe: function(element, eventName, handler) { + element = $(element); + var name = getDOMEventName(eventName); + + var wrapper = createWrapper(element, eventName, handler); + if (!wrapper) return element; + + if (element.addEventListener) { + element.addEventListener(name, wrapper, false); + } else { + element.attachEvent("on" + name, wrapper); + } + + return element; + }, + + stopObserving: function(element, eventName, handler) { + element = $(element); + var id = getEventID(element), name = getDOMEventName(eventName); + + if (!handler && eventName) { + getWrappersForEventName(id, eventName).each(function(wrapper) { + element.stopObserving(eventName, wrapper.handler); + }); + return element; + + } else if (!eventName) { + Object.keys(getCacheForID(id)).each(function(eventName) { + element.stopObserving(eventName); + }); + return element; + } + + var wrapper = findWrapper(id, eventName, handler); + if (!wrapper) return element; + + if (element.removeEventListener) { + element.removeEventListener(name, wrapper, false); + } else { + element.detachEvent("on" + name, wrapper); + } + + destroyWrapper(id, eventName, handler); + + return element; + }, + + fire: function(element, eventName, memo) { + element = $(element); + if (element == document && document.createEvent && !element.dispatchEvent) + element = document.documentElement; + + var event; + if (document.createEvent) { + event = document.createEvent("HTMLEvents"); + event.initEvent("dataavailable", true, true); + } else { + event = document.createEventObject(); + event.eventType = "ondataavailable"; + } + + event.eventName = eventName; + event.memo = memo || { }; + + if (document.createEvent) { + element.dispatchEvent(event); + } else { + element.fireEvent(event.eventType, event); + } + + return Event.extend(event); } - }, + }; +})()); - unloadCache: function() { - if (!Event.observers) return; - for (var i = 0, length = Event.observers.length; i < length; i++) { - Event.stopObserving.apply(this, Event.observers[i]); - Event.observers[i][0] = null; +Object.extend(Event, Event.Methods); + +Element.addMethods({ + fire: Event.fire, + observe: Event.observe, + stopObserving: Event.stopObserving +}); + +Object.extend(document, { + fire: Element.Methods.fire.methodize(), + observe: Element.Methods.observe.methodize(), + stopObserving: Element.Methods.stopObserving.methodize(), + loaded: false +}); + +(function() { + /* Support for the DOMContentLoaded event is based on work by Dan Webb, + Matthias Miller, Dean Edwards and John Resig. */ + + var timer; + + function fireContentLoadedEvent() { + if (document.loaded) return; + if (timer) window.clearInterval(timer); + document.fire("dom:loaded"); + document.loaded = true; + } + + if (document.addEventListener) { + if (Prototype.Browser.WebKit) { + timer = window.setInterval(function() { + if (/loaded|complete/.test(document.readyState)) + fireContentLoadedEvent(); + }, 0); + + Event.observe(window, "load", fireContentLoadedEvent); + + } else { + document.addEventListener("DOMContentLoaded", + fireContentLoadedEvent, false); } - Event.observers = false; - }, - observe: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; + } else { + document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); + $("__onDOMContentLoaded").onreadystatechange = function() { + if (this.readyState == "complete") { + this.onreadystatechange = null; + fireContentLoadedEvent(); + } + }; + } +})(); +/*------------------------------- DEPRECATED -------------------------------*/ - if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.attachEvent)) - name = 'keydown'; +Hash.toQueryString = Object.toQueryString; - Event._observeAndCache(element, name, observer, useCapture); +var Toggle = { display: Element.toggle }; + +Element.Methods.childOf = Element.Methods.descendantOf; + +var Insertion = { + Before: function(element, content) { + return Element.insert(element, {before:content}); }, - stopObserving: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; + Top: function(element, content) { + return Element.insert(element, {top:content}); + }, - if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.detachEvent)) - name = 'keydown'; + Bottom: function(element, content) { + return Element.insert(element, {bottom:content}); + }, - if (element.removeEventListener) { - element.removeEventListener(name, observer, useCapture); - } else if (element.detachEvent) { - try { - element.detachEvent('on' + name, observer); - } catch (e) {} - } + After: function(element, content) { + return Element.insert(element, {after:content}); } -}); +}; -/* prevent memory leaks in IE */ -if (navigator.appVersion.match(/\bMSIE\b/)) - Event.observe(window, 'unload', Event.unloadCache, false); +var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); + +// This should be moved to script.aculo.us; notice the deprecated methods +// further below, that map to the newer Element methods. var Position = { // set to true if needed, warning: firefox performance problems // NOT neeeded for page scrolling, only if draggable contained in @@ -2307,59 +4080,13 @@ || 0; }, - realOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.scrollTop || 0; - valueL += element.scrollLeft || 0; - element = element.parentNode; - } while (element); - return [valueL, valueT]; - }, - - cumulativeOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - } while (element); - return [valueL, valueT]; - }, - - positionedOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - if (element) { - if(element.tagName=='BODY') break; - var p = Element.getStyle(element, 'position'); - if (p == 'relative' || p == 'absolute') break; - } - } while (element); - return [valueL, valueT]; - }, - - offsetParent: function(element) { - if (element.offsetParent) return element.offsetParent; - if (element == document.body) return element; - - while ((element = element.parentNode) && element != document.body) - if (Element.getStyle(element, 'position') != 'static') - return element; - - return document.body; - }, - // caches x/y coordinate pair to use with overlap within: function(element, x, y) { if (this.includeScrollOffsets) return this.withinIncludingScrolloffsets(element, x, y); this.xcomp = x; this.ycomp = y; - this.offset = this.cumulativeOffset(element); + this.offset = Element.cumulativeOffset(element); return (y >= this.offset[1] && y < this.offset[1] + element.offsetHeight && @@ -2368,11 +4095,11 @@ }, withinIncludingScrolloffsets: function(element, x, y) { - var offsetcache = this.realOffset(element); + var offsetcache = Element.cumulativeScrollOffset(element); this.xcomp = x + offsetcache[0] - this.deltaX; this.ycomp = y + offsetcache[1] - this.deltaY; - this.offset = this.cumulativeOffset(element); + this.offset = Element.cumulativeOffset(element); return (this.ycomp >= this.offset[1] && this.ycomp < this.offset[1] + element.offsetHeight && @@ -2391,125 +4118,104 @@ element.offsetWidth; }, - page: function(forElement) { - var valueT = 0, valueL = 0; + // Deprecation layer -- use newer Element methods now (1.5.2). - var element = forElement; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; + cumulativeOffset: Element.Methods.cumulativeOffset, - // Safari fix - if (element.offsetParent==document.body) - if (Element.getStyle(element,'position')=='absolute') break; + positionedOffset: Element.Methods.positionedOffset, - } while (element = element.offsetParent); + absolutize: function(element) { + Position.prepare(); + return Element.absolutize(element); + }, - element = forElement; - do { - if (!window.opera || element.tagName=='BODY') { - valueT -= element.scrollTop || 0; - valueL -= element.scrollLeft || 0; - } - } while (element = element.parentNode); - - return [valueL, valueT]; + relativize: function(element) { + Position.prepare(); + return Element.relativize(element); }, - clone: function(source, target) { - var options = Object.extend({ - setLeft: true, - setTop: true, - setWidth: true, - setHeight: true, - offsetTop: 0, - offsetLeft: 0 - }, arguments[2] || {}) + realOffset: Element.Methods.cumulativeScrollOffset, - // find page position of source - source = $(source); - var p = Position.page(source); + offsetParent: Element.Methods.getOffsetParent, - // find coordinate system to use - target = $(target); - var delta = [0, 0]; - var parent = null; - // delta [0,0] will do fine with position: fixed elements, - // position:absolute needs offsetParent deltas - if (Element.getStyle(target,'position') == 'absolute') { - parent = Position.offsetParent(target); - delta = Position.page(parent); - } + page: Element.Methods.viewportOffset, - // correct by body offsets (fixes Safari) - if (parent == document.body) { - delta[0] -= document.body.offsetLeft; - delta[1] -= document.body.offsetTop; + clone: function(source, target, options) { + options = options || { }; + return Element.clonePosition(target, source, options); + } +}; + +/*--------------------------------------------------------------------------*/ + +if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ + function iter(name) { + return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; + } + + instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? + function(element, className) { + className = className.toString().strip(); + var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); + return cond ? document._getElementsByXPath('.//*' + cond, element) : []; + } : function(element, className) { + className = className.toString().strip(); + var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); + if (!classNames && !className) return elements; + + var nodes = $(element).getElementsByTagName('*'); + className = ' ' + className + ' '; + + for (var i = 0, child, cn; child = nodes[i]; i++) { + if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || + (classNames && classNames.all(function(name) { + return !name.toString().blank() && cn.include(' ' + name + ' '); + })))) + elements.push(Element.extend(child)); } + return elements; + }; - // set position - if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; - if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; - if(options.setWidth) target.style.width = source.offsetWidth + 'px'; - if(options.setHeight) target.style.height = source.offsetHeight + 'px'; - }, + return function(className, parentElement) { + return $(parentElement || document.body).getElementsByClassName(className); + }; +}(Element.Methods); - absolutize: function(element) { - element = $(element); - if (element.style.position == 'absolute') return; - Position.prepare(); +/*--------------------------------------------------------------------------*/ - var offsets = Position.positionedOffset(element); - var top = offsets[1]; - var left = offsets[0]; - var width = element.clientWidth; - var height = element.clientHeight; +Element.ClassNames = Class.create(); +Element.ClassNames.prototype = { + initialize: function(element) { + this.element = $(element); + }, - element._originalLeft = left - parseFloat(element.style.left || 0); - element._originalTop = top - parseFloat(element.style.top || 0); - element._originalWidth = element.style.width; - element._originalHeight = element.style.height; + _each: function(iterator) { + this.element.className.split(/\s+/).select(function(name) { + return name.length > 0; + })._each(iterator); + }, - element.style.position = 'absolute'; - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.width = width + 'px'; - element.style.height = height + 'px'; + set: function(className) { + this.element.className = className; }, - relativize: function(element) { - element = $(element); - if (element.style.position == 'relative') return; - Position.prepare(); + add: function(classNameToAdd) { + if (this.include(classNameToAdd)) return; + this.set($A(this).concat(classNameToAdd).join(' ')); + }, - element.style.position = 'relative'; - var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); - var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); + remove: function(classNameToRemove) { + if (!this.include(classNameToRemove)) return; + this.set($A(this).without(classNameToRemove).join(' ')); + }, - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.height = element._originalHeight; - element.style.width = element._originalWidth; + toString: function() { + return $A(this).join(' '); } -} +}; -// Safari returns margins on body which is incorrect if the child is absolutely -// positioned. For performance reasons, redefine Position.cumulativeOffset for -// KHTML/WebKit only. -if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { - Position.cumulativeOffset = function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - if (element.offsetParent == document.body) - if (Element.getStyle(element, 'position') == 'absolute') break; +Object.extend(Element.ClassNames.prototype, Enumerable); - element = element.offsetParent; - } while (element); +/*--------------------------------------------------------------------------*/ - return [valueL, valueT]; - } -} - Element.addMethods(); \ No newline at end of file Modified: branches/JBoss_Portal_Branch_2_7/theme/src/bin/theme-test-war/core/lib/prototype.js =================================================================== --- branches/JBoss_Portal_Branch_2_7/theme/src/bin/theme-test-war/core/lib/prototype.js 2008-04-24 13:49:28 UTC (rev 10714) +++ branches/JBoss_Portal_Branch_2_7/theme/src/bin/theme-test-war/core/lib/prototype.js 2008-04-25 00:34:57 UTC (rev 10715) @@ -1,98 +1,289 @@ -/* Prototype JavaScript framework, version 1.5.0_rc0 - * (c) 2005 Sam Stephenson <sam(a)conio.net&gt; +/* Prototype JavaScript framework, version 1.6.0.2 + * (c) 2005-2008 Sam Stephenson * * Prototype is freely distributable under the terms of an MIT-style license. - * For details, see the Prototype web site: http://prototype.conio.net/ + * For details, see the Prototype web site: http://www.prototypejs.org/ * -/*--------------------------------------------------------------------------*/ + *--------------------------------------------------------------------------*/ var Prototype = { - Version: '1.5.0_rc0', - ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', + Version: '1.6.0.2', - emptyFunction: function() {}, - K: function(x) {return x} -} + Browser: { + IE: !!(window.attachEvent && !window.opera), + Opera: !!window.opera, + WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, + Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1, + MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/) + }, + BrowserFeatures: { + XPath: !!document.evaluate, + ElementExtensions: !!window.HTMLElement, + SpecificElementExtensions: + document.createElement('div').__proto__ && + document.createElement('div').__proto__ !== + document.createElement('form').__proto__ + }, + + ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', + JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, + + emptyFunction: function() { }, + K: function(x) { return x } +}; + +if (Prototype.Browser.MobileSafari) + Prototype.BrowserFeatures.SpecificElementExtensions = false; + + +/* Based on Alex Arnell's inheritance implementation. */ var Class = { create: function() { - return function() { + var parent = null, properties = $A(arguments); + if (Object.isFunction(properties[0])) + parent = properties.shift(); + + function klass() { this.initialize.apply(this, arguments); } + + Object.extend(klass, Class.Methods); + klass.superclass = parent; + klass.subclasses = []; + + if (parent) { + var subclass = function() { }; + subclass.prototype = parent.prototype; + klass.prototype = new subclass; + parent.subclasses.push(klass); + } + + for (var i = 0; i < properties.length; i++) + klass.addMethods(properties[i]); + + if (!klass.prototype.initialize) + klass.prototype.initialize = Prototype.emptyFunction; + + klass.prototype.constructor = klass; + + return klass; } -} +}; -var Abstract = new Object(); +Class.Methods = { + addMethods: function(source) { + var ancestor = this.superclass && this.superclass.prototype; + var properties = Object.keys(source); + if (!Object.keys({ toString: true }).length) + properties.push("toString", "valueOf"); + + for (var i = 0, length = properties.length; i < length; i++) { + var property = properties[i], value = source[property]; + if (ancestor && Object.isFunction(value) && + value.argumentNames().first() == "$super") { + var method = value, value = Object.extend((function(m) { + return function() { return ancestor[m].apply(this, arguments) }; + })(property).wrap(method), { + valueOf: function() { return method }, + toString: function() { return method.toString() } + }); + } + this.prototype[property] = value; + } + + return this; + } +}; + +var Abstract = { }; + Object.extend = function(destination, source) { - for (var property in source) { + for (var property in source) destination[property] = source[property]; - } return destination; -} +}; -Object.inspect = function(object) { - try { - if (object == undefined) return 'undefined'; - if (object == null) return 'null'; - return object.inspect ? object.inspect() : object.toString(); - } catch (e) { - if (e instanceof RangeError) return '...'; - throw e; - } -} +Object.extend(Object, { + inspect: function(object) { + try { + if (Object.isUndefined(object)) return 'undefined'; + if (object === null) return 'null'; + return object.inspect ? object.inspect() : String(object); + } catch (e) { + if (e instanceof RangeError) return '...'; + throw e; + } + }, -Function.prototype.bind = function() { - var __method = this, args = $A(arguments), object = args.shift(); - return function() { - return __method.apply(object, args.concat($A(arguments))); - } -} + toJSON: function(object) { + var type = typeof object; + switch (type) { + case 'undefined': + case 'function': + case 'unknown': return; + case 'boolean': return object.toString(); + } -Function.prototype.bindAsEventListener = function(object) { - var __method = this; - return function(event) { - return __method.call(object, event || window.event); + if (object === null) return 'null'; + if (object.toJSON) return object.toJSON(); + if (Object.isElement(object)) return; + + var results = []; + for (var property in object) { + var value = Object.toJSON(object[property]); + if (!Object.isUndefined(value)) + results.push(property.toJSON() + ': ' + value); + } + + return '{' + results.join(', ') + '}'; + }, + + toQueryString: function(object) { + return $H(object).toQueryString(); + }, + + toHTML: function(object) { + return object && object.toHTML ? object.toHTML() : String.interpret(object); + }, + + keys: function(object) { + var keys = []; + for (var property in object) + keys.push(property); + return keys; + }, + + values: function(object) { + var values = []; + for (var property in object) + values.push(object[property]); + return values; + }, + + clone: function(object) { + return Object.extend({ }, object); + }, + + isElement: function(object) { + return object && object.nodeType == 1; + }, + + isArray: function(object) { + return object != null && typeof object == "object" && + 'splice' in object && 'join' in object; + }, + + isHash: function(object) { + return object instanceof Hash; + }, + + isFunction: function(object) { + return typeof object == "function"; + }, + + isString: function(object) { + return typeof object == "string"; + }, + + isNumber: function(object) { + return typeof object == "number"; + }, + + isUndefined: function(object) { + return typeof object == "undefined"; } -} +}); -Object.extend(Number.prototype, { - toColorPart: function() { - var digits = this.toString(16); - if (this < 16) return '0' + digits; - return digits; +Object.extend(Function.prototype, { + argumentNames: function() { + var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip"); + return names.length == 1 && !names[0] ? [] : names; }, - succ: function() { - return this + 1; + bind: function() { + if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; + var __method = this, args = $A(arguments), object = args.shift(); + return function() { + return __method.apply(object, args.concat($A(arguments))); + } }, - times: function(iterator) { - $R(0, this, true).each(iterator); - return this; + bindAsEventListener: function() { + var __method = this, args = $A(arguments), object = args.shift(); + return function(event) { + return __method.apply(object, [event || window.event].concat(args)); + } + }, + + curry: function() { + if (!arguments.length) return this; + var __method = this, args = $A(arguments); + return function() { + return __method.apply(this, args.concat($A(arguments))); + } + }, + + delay: function() { + var __method = this, args = $A(arguments), timeout = args.shift() * 1000; + return window.setTimeout(function() { + return __method.apply(__method, args); + }, timeout); + }, + + wrap: function(wrapper) { + var __method = this; + return function() { + return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); + } + }, + + methodize: function() { + if (this._methodized) return this._methodized; + var __method = this; + return this._methodized = function() { + return __method.apply(null, [this].concat($A(arguments))); + }; } }); +Function.prototype.defer = Function.prototype.delay.curry(0.01); + +Date.prototype.toJSON = function() { + return '"' + this.getUTCFullYear() + '-' + + (this.getUTCMonth() + 1).toPaddedString(2) + '-' + + this.getUTCDate().toPaddedString(2) + 'T' + + this.getUTCHours().toPaddedString(2) + ':' + + this.getUTCMinutes().toPaddedString(2) + ':' + + this.getUTCSeconds().toPaddedString(2) + 'Z"'; +}; + var Try = { these: function() { var returnValue; - for (var i = 0; i < arguments.length; i++) { + for (var i = 0, length = arguments.length; i < length; i++) { var lambda = arguments[i]; try { returnValue = lambda(); break; - } catch (e) {} + } catch (e) { } } return returnValue; } -} +}; +RegExp.prototype.match = RegExp.prototype.test; + +RegExp.escape = function(str) { + return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); +}; + /*--------------------------------------------------------------------------*/ -var PeriodicalExecuter = Class.create(); -PeriodicalExecuter.prototype = { +var PeriodicalExecuter = Class.create({ initialize: function(callback, frequency) { this.callback = callback; this.frequency = frequency; @@ -102,20 +293,44 @@ }, registerCallback: function() { - setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); + this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); }, + execute: function() { + this.callback(this); + }, + + stop: function() { + if (!this.timer) return; + clearInterval(this.timer); + this.timer = null; + }, + onTimerEvent: function() { if (!this.currentlyExecuting) { try { this.currentlyExecuting = true; - this.callback(); + this.execute(); } finally { this.currentlyExecuting = false; } } } -} +}); +Object.extend(String, { + interpret: function(value) { + return value == null ? '' : String(value); + }, + specialChar: { + '\b': '\\b', + '\t': '\\t', + '\n': '\\n', + '\f': '\\f', + '\r': '\\r', + '\\': '\\\\' + } +}); + Object.extend(String.prototype, { gsub: function(pattern, replacement) { var result = '', source = this, match; @@ -124,7 +339,7 @@ while (source.length > 0) { if (match = source.match(pattern)) { result += source.slice(0, match.index); - result += (replacement(match) || '').toString(); + result += String.interpret(replacement(match)); source = source.slice(match.index + match[0].length); } else { result += source, source = ''; @@ -135,7 +350,7 @@ sub: function(pattern, replacement, count) { replacement = this.gsub.prepareReplacement(replacement); - count = count === undefined ? 1 : count; + count = Object.isUndefined(count) ? 1 : count; return this.gsub(pattern, function(match) { if (--count < 0) return match[0]; @@ -145,14 +360,14 @@ scan: function(pattern, iterator) { this.gsub(pattern, iterator); - return this; + return String(this); }, truncate: function(length, truncation) { length = length || 30; - truncation = truncation === undefined ? '...' : truncation; + truncation = Object.isUndefined(truncation) ? '...' : truncation; return this.length > length ? - this.slice(0, length - truncation.length) + truncation : this; + this.slice(0, length - truncation.length) + truncation : String(this); }, strip: function() { @@ -180,24 +395,36 @@ }, escapeHTML: function() { - var div = document.createElement('div'); - var text = document.createTextNode(this); - div.appendChild(text); - return div.innerHTML; + var self = arguments.callee; + self.text.data = this; + return self.div.innerHTML; }, unescapeHTML: function() { - var div = document.createElement('div'); + var div = new Element('div'); div.innerHTML = this.stripTags(); - return div.childNodes[0] ? div.childNodes[0].nodeValue : ''; + return div.childNodes[0] ? (div.childNodes.length > 1 ? + $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : + div.childNodes[0].nodeValue) : ''; }, - toQueryParams: function() { - var pairs = this.match(/^\??(.*)$/)[1].split('&'); - return pairs.inject({}, function(params, pairString) { - var pair = pairString.split('='); - params[pair[0]] = pair[1]; - return params; + toQueryParams: function(separator) { + var match = this.strip().match(/([^?#]*)(#.*)?$/); + if (!match) return { }; + + return match[1].split(separator || '&').inject({ }, function(hash, pair) { + if ((pair = pair.split('='))[0]) { + var key = decodeURIComponent(pair.shift()); + var value = pair.length > 1 ? pair.join('=') : pair[0]; + if (value != undefined) value = decodeURIComponent(value); + + if (key in hash) { + if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; + hash[key].push(value); + } + else hash[key] = value; + } + return hash; }); }, @@ -205,90 +432,204 @@ return this.split(''); }, + succ: function() { + return this.slice(0, this.length - 1) + + String.fromCharCode(this.charCodeAt(this.length - 1) + 1); + }, + + times: function(count) { + return count < 1 ? '' : new Array(count + 1).join(this); + }, + camelize: function() { - var oStringList = this.split('-'); - if (oStringList.length == 1) return oStringList[0]; + var parts = this.split('-'), len = parts.length; + if (len == 1) return parts[0]; - var camelizedString = this.indexOf('-') == 0 - ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) - : oStringList[0]; + var camelized = this.charAt(0) == '-' + ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) + : parts[0]; - for (var i = 1, len = oStringList.length; i < len; i++) { - var s = oStringList[i]; - camelizedString += s.charAt(0).toUpperCase() + s.substring(1); - } + for (var i = 1; i < len; i++) + camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); - return camelizedString; + return camelized; }, - inspect: function() { - return "'" + this.replace(/\\/g, '\\\\').replace(/'/g, '\\\'') + "'"; + capitalize: function() { + return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); + }, + + underscore: function() { + return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); + }, + + dasherize: function() { + return this.gsub(/_/,'-'); + }, + + inspect: function(useDoubleQuotes) { + var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { + var character = String.specialChar[match[0]]; + return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); + }); + if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; + return "'" + escapedString.replace(/'/g, '\\\'') + "'"; + }, + + toJSON: function() { + return this.inspect(true); + }, + + unfilterJSON: function(filter) { + return this.sub(filter || Prototype.JSONFilter, '#{1}'); + }, + + isJSON: function() { + var str = this; + if (str.blank()) return false; + str = this.replace(/\\./g, &#39;(a)&#39;).replace(/&quot;[^&quot;\\\n\r]*&quot;/g, ''); + return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); + }, + + evalJSON: function(sanitize) { + var json = this.unfilterJSON(); + try { + if (!sanitize || json.isJSON()) return eval('(' + json + ')'); + } catch (e) { } + throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); + }, + + include: function(pattern) { + return this.indexOf(pattern) > -1; + }, + + startsWith: function(pattern) { + return this.indexOf(pattern) === 0; + }, + + endsWith: function(pattern) { + var d = this.length - pattern.length; + return d >= 0 && this.lastIndexOf(pattern) === d; + }, + + empty: function() { + return this == ''; + }, + + blank: function() { + return /^\s*$/.test(this); + }, + + interpolate: function(object, pattern) { + return new Template(this, pattern).evaluate(object); } }); +if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { + escapeHTML: function() { + return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;'); + }, + unescapeHTML: function() { + return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>'); + } +}); + String.prototype.gsub.prepareReplacement = function(replacement) { - if (typeof replacement == 'function') return replacement; + if (Object.isFunction(replacement)) return replacement; var template = new Template(replacement); return function(match) { return template.evaluate(match) }; -} +}; String.prototype.parseQuery = String.prototype.toQueryParams; -var Template = Class.create(); -Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -Template.prototype = { +Object.extend(String.prototype.escapeHTML, { + div: document.createElement('div'), + text: document.createTextNode('') +}); + +with (String.prototype.escapeHTML) div.appendChild(text); + +var Template = Class.create({ initialize: function(template, pattern) { this.template = template.toString(); - this.pattern = pattern || Template.Pattern; + this.pattern = pattern || Template.Pattern; }, evaluate: function(object) { + if (Object.isFunction(object.toTemplateReplacements)) + object = object.toTemplateReplacements(); + return this.template.gsub(this.pattern, function(match) { - var before = match[1]; + if (object == null) return ''; + + var before = match[1] || ''; if (before == '\\') return match[2]; - return before + (object[match[3]] || '').toString(); + + var ctx = object, expr = match[3]; + var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; + match = pattern.exec(expr); + if (match == null) return before; + + while (match != null) { + var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; + ctx = ctx[comp]; + if (null == ctx || '' == match[3]) break; + expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); + match = pattern.exec(expr); + } + + return before + String.interpret(ctx); }); } -} +}); +Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -var $break = new Object(); -var $continue = new Object(); +var $break = { }; var Enumerable = { - each: function(iterator) { + each: function(iterator, context) { var index = 0; + iterator = iterator.bind(context); try { this._each(function(value) { - try { - iterator(value, index++); - } catch (e) { - if (e != $continue) throw e; - } + iterator(value, index++); }); } catch (e) { if (e != $break) throw e; } + return this; }, - all: function(iterator) { + eachSlice: function(number, iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; + var index = -number, slices = [], array = this.toArray(); + while ((index += number) < array.length) + slices.push(array.slice(index, index+number)); + return slices.collect(iterator, context); + }, + + all: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var result = true; this.each(function(value, index) { - result = result && !!(iterator || Prototype.K)(value, index); + result = result && !!iterator(value, index); if (!result) throw $break; }); return result; }, - any: function(iterator) { - var result = true; + any: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; + var result = false; this.each(function(value, index) { - if (result = !!(iterator || Prototype.K)(value, index)) + if (result = !!iterator(value, index)) throw $break; }); return result; }, - collect: function(iterator) { + collect: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var results = []; this.each(function(value, index) { results.push(iterator(value, index)); @@ -296,7 +637,8 @@ return results; }, - detect: function (iterator) { + detect: function(iterator, context) { + iterator = iterator.bind(context); var result; this.each(function(value, index) { if (iterator(value, index)) { @@ -307,7 +649,8 @@ return result; }, - findAll: function(iterator) { + findAll: function(iterator, context) { + iterator = iterator.bind(context); var results = []; this.each(function(value, index) { if (iterator(value, index)) @@ -316,17 +659,24 @@ return results; }, - grep: function(pattern, iterator) { + grep: function(filter, iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var results = []; + + if (Object.isString(filter)) + filter = new RegExp(filter); + this.each(function(value, index) { - var stringValue = value.toString(); - if (stringValue.match(pattern)) - results.push((iterator || Prototype.K)(value, index)); - }) + if (filter.match(value)) + results.push(iterator(value, index)); + }); return results; }, include: function(object) { + if (Object.isFunction(this.indexOf)) + if (this.indexOf(object) != -1) return true; + var found = false; this.each(function(value) { if (value == object) { @@ -337,7 +687,16 @@ return found; }, - inject: function(memo, iterator) { + inGroupsOf: function(number, fillWith) { + fillWith = Object.isUndefined(fillWith) ? null : fillWith; + return this.eachSlice(number, function(slice) { + while(slice.length < number) slice.push(fillWith); + return slice; + }); + }, + + inject: function(memo, iterator, context) { + iterator = iterator.bind(context); this.each(function(value, index) { memo = iterator(memo, value, index); }); @@ -346,35 +705,38 @@ invoke: function(method) { var args = $A(arguments).slice(1); - return this.collect(function(value) { + return this.map(function(value) { return value[method].apply(value, args); }); }, - max: function(iterator) { + max: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var result; this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value >= result) + value = iterator(value, index); + if (result == null || value >= result) result = value; }); return result; }, - min: function(iterator) { + min: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var result; this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value < result) + value = iterator(value, index); + if (result == null || value < result) result = value; }); return result; }, - partition: function(iterator) { + partition: function(iterator, context) { + iterator = iterator ? iterator.bind(context) : Prototype.K; var trues = [], falses = []; this.each(function(value, index) { - ((iterator || Prototype.K)(value, index) ? + (iterator(value, index) ? trues : falses).push(value); }); return [trues, falses]; @@ -382,13 +744,14 @@ pluck: function(property) { var results = []; - this.each(function(value, index) { + this.each(function(value) { results.push(value[property]); }); return results; }, - reject: function(iterator) { + reject: function(iterator, context) { + iterator = iterator.bind(context); var results = []; this.each(function(value, index) { if (!iterator(value, index)) @@ -397,8 +760,9 @@ return results; }, - sortBy: function(iterator) { - return this.collect(function(value, index) { + sortBy: function(iterator, context) { + iterator = iterator.bind(context); + return this.map(function(value, index) { return {value: value, criteria: iterator(value, index)}; }).sort(function(left, right) { var a = left.criteria, b = right.criteria; @@ -407,12 +771,12 @@ }, toArray: function() { - return this.collect(Prototype.K); + return this.map(); }, zip: function() { var iterator = Prototype.K, args = $A(arguments); - if (typeof args.last() == 'function') + if (Object.isFunction(args.last())) iterator = args.pop(); var collections = [this].concat(args).map($A); @@ -421,38 +785,53 @@ }); }, + size: function() { + return this.toArray().length; + }, + inspect: function() { return '#<Enumerable:' + this.toArray().inspect() + '>'; } -} +}; Object.extend(Enumerable, { map: Enumerable.collect, find: Enumerable.detect, select: Enumerable.findAll, + filter: Enumerable.findAll, member: Enumerable.include, - entries: Enumerable.toArray + entries: Enumerable.toArray, + every: Enumerable.all, + some: Enumerable.any }); -var $A = Array.from = function(iterable) { +function $A(iterable) { if (!iterable) return []; - if (iterable.toArray) { - return iterable.toArray(); - } else { - var results = []; - for (var i = 0; i < iterable.length; i++) - results.push(iterable[i]); + if (iterable.toArray) return iterable.toArray(); + var length = iterable.length || 0, results = new Array(length); + while (length--) results[length] = iterable[length]; + return results; +} + +if (Prototype.Browser.WebKit) { + $A = function(iterable) { + if (!iterable) return []; + if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') && + iterable.toArray) return iterable.toArray(); + var length = iterable.length || 0, results = new Array(length); + while (length--) results[length] = iterable[length]; return results; - } + }; } +Array.from = $A; + Object.extend(Array.prototype, Enumerable); -if (!Array.prototype._reverse) - Array.prototype._reverse = Array.prototype.reverse; +if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; Object.extend(Array.prototype, { _each: function(iterator) { - for (var i = 0; i < this.length; i++) + for (var i = 0, length = this.length; i < length; i++) iterator(this[i]); }, @@ -471,13 +850,13 @@ compact: function() { return this.select(function(value) { - return value != undefined || value != null; + return value != null; }); }, flatten: function() { return this.inject([], function(array, value) { - return array.concat(value && value.constructor == Array ? + return array.concat(Object.isArray(value) ? value.flatten() : [value]); }); }, @@ -489,70 +868,219 @@ }); }, - indexOf: function(object) { - for (var i = 0; i < this.length; i++) - if (this[i] == object) return i; - return -1; - }, - reverse: function(inline) { return (inline !== false ? this : this.toArray())._reverse(); }, + reduce: function() { + return this.length > 1 ? this : this[0]; + }, + + uniq: function(sorted) { + return this.inject([], function(array, value, index) { + if (0 == index || (sorted ? array.last() != value : !array.include(value))) + array.push(value); + return array; + }); + }, + + intersect: function(array) { + return this.uniq().findAll(function(item) { + return array.detect(function(value) { return item === value }); + }); + }, + + clone: function() { + return [].concat(this); + }, + + size: function() { + return this.length; + }, + inspect: function() { return '[' + this.map(Object.inspect).join(', ') + ']'; + }, + + toJSON: function() { + var results = []; + this.each(function(object) { + var value = Object.toJSON(object); + if (!Object.isUndefined(value)) results.push(value); + }); + return '[' + results.join(', ') + ']'; } }); -var Hash = { - _each: function(iterator) { - for (var key in this) { - var value = this[key]; - if (typeof value == 'function') continue; - var pair = [key, value]; - pair.key = key; - pair.value = value; - iterator(pair); +// use native browser JS 1.6 implementation if available +if (Object.isFunction(Array.prototype.forEach)) + Array.prototype._each = Array.prototype.forEach; + +if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { + i || (i = 0); + var length = this.length; + if (i < 0) i = length + i; + for (; i < length; i++) + if (this[i] === item) return i; + return -1; +}; + +if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { + i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; + var n = this.slice(0, i).reverse().indexOf(item); + return (n < 0) ? n : i - n - 1; +}; + +Array.prototype.toArray = Array.prototype.clone; + +function $w(string) { + if (!Object.isString(string)) return []; + string = string.strip(); + return string ? string.split(/\s+/) : []; +} + +if (Prototype.Browser.Opera){ + Array.prototype.concat = function() { + var array = []; + for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); + for (var i = 0, length = arguments.length; i < length; i++) { + if (Object.isArray(arguments[i])) { + for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) + array.push(arguments[i][j]); + } else { + array.push(arguments[i]); + } } + return array; + }; +} +Object.extend(Number.prototype, { + toColorPart: function() { + return this.toPaddedString(2, 16); }, - keys: function() { - return this.pluck('key'); + succ: function() { + return this + 1; }, - values: function() { - return this.pluck('value'); + times: function(iterator) { + $R(0, this, true).each(iterator); + return this; }, - merge: function(hash) { - return $H(hash).inject($H(this), function(mergedHash, pair) { - mergedHash[pair.key] = pair.value; - return mergedHash; - }); + toPaddedString: function(length, radix) { + var string = this.toString(radix || 10); + return '0'.times(length - string.length) + string; }, - toQueryString: function() { - return this.map(function(pair) { - return pair.map(encodeURIComponent).join('='); - }).join('&'); - }, + toJSON: function() { + return isFinite(this) ? this.toString() : 'null'; + } +}); - inspect: function() { - return '#<Hash:{' + this.map(function(pair) { - return pair.map(Object.inspect).join(': '); - }).join(', ') + '}>'; +$w('abs round ceil floor').each(function(method){ + Number.prototype[method] = Math[method].methodize(); +}); +function $H(object) { + return new Hash(object); +}; + +var Hash = Class.create(Enumerable, (function() { + + function toQueryPair(key, value) { + if (Object.isUndefined(value)) return key; + return key + '=' + encodeURIComponent(String.interpret(value)); } -} -function $H(object) { - var hash = Object.extend({}, object || {}); - Object.extend(hash, Enumerable); - Object.extend(hash, Hash); - return hash; -} -ObjectRange = Class.create(); -Object.extend(ObjectRange.prototype, Enumerable); -Object.extend(ObjectRange.prototype, { + return { + initialize: function(object) { + this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); + }, + + _each: function(iterator) { + for (var key in this._object) { + var value = this._object[key], pair = [key, value]; + pair.key = key; + pair.value = value; + iterator(pair); + } + }, + + set: function(key, value) { + return this._object[key] = value; + }, + + get: function(key) { + return this._object[key]; + }, + + unset: function(key) { + var value = this._object[key]; + delete this._object[key]; + return value; + }, + + toObject: function() { + return Object.clone(this._object); + }, + + keys: function() { + return this.pluck('key'); + }, + + values: function() { + return this.pluck('value'); + }, + + index: function(value) { + var match = this.detect(function(pair) { + return pair.value === value; + }); + return match && match.key; + }, + + merge: function(object) { + return this.clone().update(object); + }, + + update: function(object) { + return new Hash(object).inject(this, function(result, pair) { + result.set(pair.key, pair.value); + return result; + }); + }, + + toQueryString: function() { + return this.map(function(pair) { + var key = encodeURIComponent(pair.key), values = pair.value; + + if (values && typeof values == 'object') { + if (Object.isArray(values)) + return values.map(toQueryPair.curry(key)).join('&'); + } + return toQueryPair(key, values); + }).join('&'); + }, + + inspect: function() { + return '#<Hash:{' + this.map(function(pair) { + return pair.map(Object.inspect).join(': '); + }).join(', ') + '}>'; + }, + + toJSON: function() { + return Object.toJSON(this.toObject()); + }, + + clone: function() { + return new Hash(this); + } + } +})()); + +Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; +Hash.from = $H; +var ObjectRange = Class.create(Enumerable, { initialize: function(start, end, exclusive) { this.start = start; this.end = end; @@ -561,10 +1089,10 @@ _each: function(iterator) { var value = this.start; - do { + while (this.include(value)) { iterator(value); value = value.succ(); - } while (this.include(value)); + } }, include: function(value) { @@ -578,7 +1106,7 @@ var $R = function(start, end, exclusive) { return new ObjectRange(start, end, exclusive); -} +}; var Ajax = { getTransport: function() { @@ -590,7 +1118,7 @@ }, activeRequestCount: 0 -} +}; Ajax.Responders = { responders: [], @@ -599,21 +1127,21 @@ this.responders._each(iterator); }, - register: function(responderToAdd) { - if (!this.include(responderToAdd)) - this.responders.push(responderToAdd); + register: function(responder) { + if (!this.include(responder)) + this.responders.push(responder); }, - unregister: function(responderToRemove) { - this.responders = this.responders.without(responderToRemove); + unregister: function(responder) { + this.responders = this.responders.without(responder); }, dispatch: function(callback, request, transport, json) { this.each(function(responder) { - if (responder[callback] && typeof responder[callback] == 'function') { + if (Object.isFunction(responder[callback])) { try { responder[callback].apply(responder, [request, transport, json]); - } catch (e) {} + } catch (e) { } } }); } @@ -622,218 +1150,324 @@ Object.extend(Ajax.Responders, Enumerable); Ajax.Responders.register({ - onCreate: function() { - Ajax.activeRequestCount++; - }, - - onComplete: function() { - Ajax.activeRequestCount--; - } + onCreate: function() { Ajax.activeRequestCount++ }, + onComplete: function() { Ajax.activeRequestCount-- } }); -Ajax.Base = function() {}; -Ajax.Base.prototype = { - setOptions: function(options) { +Ajax.Base = Class.create({ + initialize: function(options) { this.options = { method: 'post', asynchronous: true, contentType: 'application/x-www-form-urlencoded', - parameters: '' - } - Object.extend(this.options, options || {}); - }, + encoding: 'UTF-8', + parameters: '', + evalJSON: true, + evalJS: true + }; + Object.extend(this.options, options || { }); - responseIsSuccess: function() { - return this.transport.status == undefined - || this.transport.status == 0 - || (this.transport.status >= 200 && this.transport.status < 300); - }, + this.options.method = this.options.method.toLowerCase(); - responseIsFailure: function() { - return !this.responseIsSuccess(); + if (Object.isString(this.options.parameters)) + this.options.parameters = this.options.parameters.toQueryParams(); + else if (Object.isHash(this.options.parameters)) + this.options.parameters = this.options.parameters.toObject(); } -} +}); -Ajax.Request = Class.create(); -Ajax.Request.Events = - ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; +Ajax.Request = Class.create(Ajax.Base, { + _complete: false, -Ajax.Request.prototype = Object.extend(new Ajax.Base(), { - initialize: function(url, options) { + initialize: function($super, url, options) { + $super(options); this.transport = Ajax.getTransport(); - this.setOptions(options); this.request(url); }, request: function(url) { - var parameters = this.options.parameters || ''; - if (parameters.length > 0) parameters += '&_='; + this.url = url; + this.method = this.options.method; + var params = Object.clone(this.options.parameters); + if (!['get', 'post'].include(this.method)) { + // simulate other verbs over post + params['_method'] = this.method; + this.method = 'post'; + } + + this.parameters = params; + + if (params = Object.toQueryString(params)) { + // when GET, append parameters to URL + if (this.method == 'get') + this.url += (this.url.include('?') ? '&' : '?') + params; + else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) + params += '&_='; + } + try { - this.url = url; - if (this.options.method == 'get' && parameters.length > 0) - this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; + var response = new Ajax.Response(this); + if (this.options.onCreate) this.options.onCreate(response); + Ajax.Responders.dispatch('onCreate', this, response); - Ajax.Responders.dispatch('onCreate', this, this.transport); - - this.transport.open(this.options.method, this.url, + this.transport.open(this.method.toUpperCase(), this.url, this.options.asynchronous); - if (this.options.asynchronous) { - this.transport.onreadystatechange = this.onStateChange.bind(this); - setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); - } + if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); + this.transport.onreadystatechange = this.onStateChange.bind(this); this.setRequestHeaders(); - var body = this.options.postBody ? this.options.postBody : parameters; - this.transport.send(this.options.method == 'post' ? body : null); + this.body = this.method == 'post' ? (this.options.postBody || params) : null; + this.transport.send(this.body); - } catch (e) { + /* Force Firefox to handle ready state 4 for synchronous requests */ + if (!this.options.asynchronous && this.transport.overrideMimeType) + this.onStateChange(); + + } + catch (e) { this.dispatchException(e); } }, + onStateChange: function() { + var readyState = this.transport.readyState; + if (readyState > 1 && !((readyState == 4) && this._complete)) + this.respondToReadyState(this.transport.readyState); + }, + setRequestHeaders: function() { - var requestHeaders = - ['X-Requested-With', 'XMLHttpRequest', - 'X-Prototype-Version', Prototype.Version, - 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*']; + var headers = { + 'X-Requested-With': 'XMLHttpRequest', + 'X-Prototype-Version': Prototype.Version, + 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' + }; - if (this.options.method == 'post') { - requestHeaders.push('Content-type', this.options.contentType); + if (this.method == 'post') { + headers['Content-type'] = this.options.contentType + + (this.options.encoding ? '; charset=' + this.options.encoding : ''); - /* Force "Connection: close" for Mozilla browsers to work around - * a bug where XMLHttpReqeuest sends an incorrect Content-length - * header. See Mozilla Bugzilla #246651. + /* Force "Connection: close" for older Mozilla browsers to work + * around a bug where XMLHttpRequest sends an incorrect + * Content-length header. See Mozilla Bugzilla #246651. */ - if (this.transport.overrideMimeType) - requestHeaders.push('Connection', 'close'); + if (this.transport.overrideMimeType && + (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) + headers['Connection'] = 'close'; } - if (this.options.requestHeaders) - requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); + // user-defined headers + if (typeof this.options.requestHeaders == 'object') { + var extras = this.options.requestHeaders; - for (var i = 0; i < requestHeaders.length; i += 2) - this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); - }, + if (Object.isFunction(extras.push)) + for (var i = 0, length = extras.length; i < length; i += 2) + headers[extras[i]] = extras[i+1]; + else + $H(extras).each(function(pair) { headers[pair.key] = pair.value }); + } - onStateChange: function() { - var readyState = this.transport.readyState; - if (readyState != 1) - this.respondToReadyState(this.transport.readyState); + for (var name in headers) + this.transport.setRequestHeader(name, headers[name]); }, - header: function(name) { - try { - return this.transport.getResponseHeader(name); - } catch (e) {} + success: function() { + var status = this.getStatus(); + return !status || (status >= 200 && status < 300); }, - evalJSON: function() { + getStatus: function() { try { - return eval('(' + this.header('X-JSON') + ')'); - } catch (e) {} + return this.transport.status || 0; + } catch (e) { return 0 } }, - evalResponse: function() { - try { - return eval(this.transport.responseText); - } catch (e) { - this.dispatchException(e); - } - }, - respondToReadyState: function(readyState) { - var event = Ajax.Request.Events[readyState]; - var transport = this.transport, json = this.evalJSON(); + var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); - if (event == 'Complete') { + if (state == 'Complete') { try { - (this.options['on' + this.transport.status] - || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] - || Prototype.emptyFunction)(transport, json); + this._complete = true; + (this.options['on' + response.status] + || this.options['on' + (this.success() ? 'Success' : 'Failure')] + || Prototype.emptyFunction)(response, response.headerJSON); } catch (e) { this.dispatchException(e); } - if ((this.header('Content-type') || '').match(/^text\/javascript/i)) + var contentType = response.getHeader('Content-type'); + if (this.options.evalJS == 'force' + || (this.options.evalJS && this.isSameOrigin() && contentType + && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) this.evalResponse(); } try { - (this.options['on' + event] || Prototype.emptyFunction)(transport, json); - Ajax.Responders.dispatch('on' + event, this, transport, json); + (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); + Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); } catch (e) { this.dispatchException(e); } - /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ - if (event == 'Complete') + if (state == 'Complete') { + // avoid memory leak in MSIE: clean up this.transport.onreadystatechange = Prototype.emptyFunction; + } }, + isSameOrigin: function() { + var m = this.url.match(/^\s*https?:\/\/[^\/]*/); + return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ + protocol: location.protocol, + domain: document.domain, + port: location.port ? ':' + location.port : '' + })); + }, + + getHeader: function(name) { + try { + return this.transport.getResponseHeader(name) || null; + } catch (e) { return null } + }, + + evalResponse: function() { + try { + return eval((this.transport.responseText || '').unfilterJSON()); + } catch (e) { + this.dispatchException(e); + } + }, + dispatchException: function(exception) { (this.options.onException || Prototype.emptyFunction)(this, exception); Ajax.Responders.dispatch('onException', this, exception); } }); -Ajax.Updater = Class.create(); +Ajax.Request.Events = + ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; -Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { - initialize: function(container, url, options) { - this.containers = { - success: container.success ? $(container.success) : $(container), - failure: container.failure ? $(container.failure) : - (container.success ? null : $(container)) +Ajax.Response = Class.create({ + initialize: function(request){ + this.request = request; + var transport = this.transport = request.transport, + readyState = this.readyState = transport.readyState; + + if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { + this.status = this.getStatus(); + this.statusText = this.getStatusText(); + this.responseText = String.interpret(transport.responseText); + this.headerJSON = this._getHeaderJSON(); } - this.transport = Ajax.getTransport(); - this.setOptions(options); + if(readyState == 4) { + var xml = transport.responseXML; + this.responseXML = Object.isUndefined(xml) ? null : xml; + this.responseJSON = this._getResponseJSON(); + } + }, - var onComplete = this.options.onComplete || Prototype.emptyFunction; - this.options.onComplete = (function(transport, object) { - this.updateContent(); - onComplete(transport, object); - }).bind(this); + status: 0, + statusText: '', - this.request(url); + getStatus: Ajax.Request.prototype.getStatus, + + getStatusText: function() { + try { + return this.transport.statusText || ''; + } catch (e) { return '' } }, - updateContent: function() { - var receiver = this.responseIsSuccess() ? - this.containers.success : this.containers.failure; - var response = this.transport.responseText; + getHeader: Ajax.Request.prototype.getHeader, - if (!this.options.evalScripts) - response = response.stripScripts(); + getAllHeaders: function() { + try { + return this.getAllResponseHeaders(); + } catch (e) { return null } + }, - if (receiver) { - if (this.options.insertion) { - new this.options.insertion(receiver, response); - } else { - Element.update(receiver, response); - } + getResponseHeader: function(name) { + return this.transport.getResponseHeader(name); + }, + + getAllResponseHeaders: function() { + return this.transport.getAllResponseHeaders(); + }, + + _getHeaderJSON: function() { + var json = this.getHeader('X-JSON'); + if (!json) return null; + json = decodeURIComponent(escape(json)); + try { + return json.evalJSON(this.request.options.sanitizeJSON || + !this.request.isSameOrigin()); + } catch (e) { + this.request.dispatchException(e); } + }, - if (this.responseIsSuccess()) { - if (this.onComplete) - setTimeout(this.onComplete.bind(this), 10); + _getResponseJSON: function() { + var options = this.request.options; + if (!options.evalJSON || (options.evalJSON != 'force' && + !(this.getHeader('Content-type') || '').include('application/json')) || + this.responseText.blank()) + return null; + try { + return this.responseText.evalJSON(options.sanitizeJSON || + !this.request.isSameOrigin()); + } catch (e) { + this.request.dispatchException(e); } } }); -Ajax.PeriodicalUpdater = Class.create(); -Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { - initialize: function(container, url, options) { - this.setOptions(options); +Ajax.Updater = Class.create(Ajax.Request, { + initialize: function($super, container, url, options) { + this.container = { + success: (container.success || container), + failure: (container.failure || (container.success ? null : container)) + }; + + options = Object.clone(options); + var onComplete = options.onComplete; + options.onComplete = (function(response, json) { + this.updateContent(response.responseText); + if (Object.isFunction(onComplete)) onComplete(response, json); + }).bind(this); + + $super(url, options); + }, + + updateContent: function(responseText) { + var receiver = this.container[this.success() ? 'success' : 'failure'], + options = this.options; + + if (!options.evalScripts) responseText = responseText.stripScripts(); + + if (receiver = $(receiver)) { + if (options.insertion) { + if (Object.isString(options.insertion)) { + var insertion = { }; insertion[options.insertion] = responseText; + receiver.insert(insertion); + } + else options.insertion(receiver, responseText); + } + else receiver.update(responseText); + } + } +}); + +Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { + initialize: function($super, container, url, options) { + $super(options); this.onComplete = this.options.onComplete; this.frequency = (this.options.frequency || 2); this.decay = (this.options.decay || 1); - this.updater = {}; + this.updater = { }; this.container = container; this.url = url; @@ -846,204 +1480,462 @@ }, stop: function() { - this.updater.onComplete = undefined; + this.updater.options.onComplete = undefined; clearTimeout(this.timer); (this.onComplete || Prototype.emptyFunction).apply(this, arguments); }, - updateComplete: function(request) { + updateComplete: function(response) { if (this.options.decay) { - this.decay = (request.responseText == this.lastText ? + this.decay = (response.responseText == this.lastText ? this.decay * this.options.decay : 1); - this.lastText = request.responseText; + this.lastText = response.responseText; } - this.timer = setTimeout(this.onTimerEvent.bind(this), - this.decay * this.frequency * 1000); + this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); }, onTimerEvent: function() { this.updater = new Ajax.Updater(this.container, this.url, this.options); } }); -function $() { - var results = [], element; - for (var i = 0; i < arguments.length; i++) { - element = arguments[i]; - if (typeof element == 'string') - element = document.getElementById(element); - results.push(Element.extend(element)); +function $(element) { + if (arguments.length > 1) { + for (var i = 0, elements = [], length = arguments.length; i < length; i++) + elements.push($(arguments[i])); + return elements; } - return results.length < 2 ? results[0] : results; + if (Object.isString(element)) + element = document.getElementById(element); + return Element.extend(element); } -document.getElementsByClassName = function(className, parentElement) { - var children = ($(parentElement) || document.body).getElementsByTagName('*'); - return $A(children).inject([], function(elements, child) { - if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) - elements.push(Element.extend(child)); - return elements; - }); +if (Prototype.BrowserFeatures.XPath) { + document._getElementsByXPath = function(expression, parentElement) { + var results = []; + var query = document.evaluate(expression, $(parentElement) || document, + null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); + for (var i = 0, length = query.snapshotLength; i < length; i++) + results.push(Element.extend(query.snapshotItem(i))); + return results; + }; } /*--------------------------------------------------------------------------*/ -if (!window.Element) - var Element = new Object(); +if (!window.Node) var Node = { }; -Element.extend = function(element) { - if (!element) return; - if (_nativeExtensions) return element; +if (!Node.ELEMENT_NODE) { + // DOM level 2 ECMAScript Language Binding + Object.extend(Node, { + ELEMENT_NODE: 1, + ATTRIBUTE_NODE: 2, + TEXT_NODE: 3, + CDATA_SECTION_NODE: 4, + ENTITY_REFERENCE_NODE: 5, + ENTITY_NODE: 6, + PROCESSING_INSTRUCTION_NODE: 7, + COMMENT_NODE: 8, + DOCUMENT_NODE: 9, + DOCUMENT_TYPE_NODE: 10, + DOCUMENT_FRAGMENT_NODE: 11, + NOTATION_NODE: 12 + }); +} - if (!element._extended && element.tagName && element != window) { - var methods = Element.Methods, cache = Element.extend.cache; - for (property in methods) { - var value = methods[property]; - if (typeof value == 'function') - element[property] = cache.findOrStore(value); +(function() { + var element = this.Element; + this.Element = function(tagName, attributes) { + attributes = attributes || { }; + tagName = tagName.toLowerCase(); + var cache = Element.cache; + if (Prototype.Browser.IE && attributes.name) { + tagName = '<' + tagName + ' name="' + attributes.name + '">'; + delete attributes.name; + return Element.writeAttribute(document.createElement(tagName), attributes); } - } + if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); + return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); + }; + Object.extend(this.Element, element || { }); +}).call(window); - element._extended = true; - return element; -} +Element.cache = { }; -Element.extend.cache = { - findOrStore: function(value) { - return this[value] = this[value] || function() { - return value.apply(null, [this].concat($A(arguments))); - } - } -} - Element.Methods = { visible: function(element) { return $(element).style.display != 'none'; }, - toggle: function() { - for (var i = 0; i < arguments.length; i++) { - var element = $(arguments[i]); - Element[Element.visible(element) ? 'hide' : 'show'](element); - } + toggle: function(element) { + element = $(element); + Element[Element.visible(element) ? 'hide' : 'show'](element); + return element; }, - hide: function() { - for (var i = 0; i < arguments.length; i++) { - var element = $(arguments[i]); - element.style.display = 'none'; - } + hide: function(element) { + $(element).style.display = 'none'; + return element; }, - show: function() { - for (var i = 0; i < arguments.length; i++) { - var element = $(arguments[i]); - element.style.display = ''; - } + show: function(element) { + $(element).style.display = ''; + return element; }, remove: function(element) { element = $(element); element.parentNode.removeChild(element); + return element; }, - update: function(element, html) { - $(element).innerHTML = html.stripScripts(); - setTimeout(function() {html.evalScripts()}, 10); + update: function(element, content) { + element = $(element); + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) return element.update().insert(content); + content = Object.toHTML(content); + element.innerHTML = content.stripScripts(); + content.evalScripts.bind(content).defer(); + return element; }, - replace: function(element, html) { + replace: function(element, content) { element = $(element); - if (element.outerHTML) { - element.outerHTML = html.stripScripts(); - } else { + if (content && content.toElement) content = content.toElement(); + else if (!Object.isElement(content)) { + content = Object.toHTML(content); var range = element.ownerDocument.createRange(); - range.selectNodeContents(element); - element.parentNode.replaceChild( - range.createContextualFragment(html.stripScripts()), element); + range.selectNode(element); + content.evalScripts.bind(content).defer(); + content = range.createContextualFragment(content.stripScripts()); } - setTimeout(function() {html.evalScripts()}, 10); + element.parentNode.replaceChild(content, element); + return element; }, - getHeight: function(element) { + insert: function(element, insertions) { element = $(element); - return element.offsetHeight; + + if (Object.isString(insertions) || Object.isNumber(insertions) || + Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) + insertions = {bottom:insertions}; + + var content, insert, tagName, childNodes; + + for (var position in insertions) { + content = insertions[position]; + position = position.toLowerCase(); + insert = Element._insertionTranslations[position]; + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) { + insert(element, content); + continue; + } + + content = Object.toHTML(content); + + tagName = ((position == 'before' || position == 'after') + ? element.parentNode : element).tagName.toUpperCase(); + + childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + + if (position == 'top' || position == 'after') childNodes.reverse(); + childNodes.each(insert.curry(element)); + + content.evalScripts.bind(content).defer(); + } + + return element; }, + wrap: function(element, wrapper, attributes) { + element = $(element); + if (Object.isElement(wrapper)) + $(wrapper).writeAttribute(attributes || { }); + else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); + else wrapper = new Element('div', wrapper); + if (element.parentNode) + element.parentNode.replaceChild(wrapper, element); + wrapper.appendChild(element); + return wrapper; + }, + + inspect: function(element) { + element = $(element); + var result = '<' + element.tagName.toLowerCase(); + $H({'id': 'id', 'className': 'class'}).each(function(pair) { + var property = pair.first(), attribute = pair.last(); + var value = (element[property] || '').toString(); + if (value) result += ' ' + attribute + '=' + value.inspect(true); + }); + return result + '>'; + }, + + recursivelyCollect: function(element, property) { + element = $(element); + var elements = []; + while (element = element[property]) + if (element.nodeType == 1) + elements.push(Element.extend(element)); + return elements; + }, + + ancestors: function(element) { + return $(element).recursivelyCollect('parentNode'); + }, + + descendants: function(element) { + return $(element).select("*"); + }, + + firstDescendant: function(element) { + element = $(element).firstChild; + while (element && element.nodeType != 1) element = element.nextSibling; + return $(element); + }, + + immediateDescendants: function(element) { + if (!(element = $(element).firstChild)) return []; + while (element && element.nodeType != 1) element = element.nextSibling; + if (element) return [element].concat($(element).nextSiblings()); + return []; + }, + + previousSiblings: function(element) { + return $(element).recursivelyCollect('previousSibling'); + }, + + nextSiblings: function(element) { + return $(element).recursivelyCollect('nextSibling'); + }, + + siblings: function(element) { + element = $(element); + return element.previousSiblings().reverse().concat(element.nextSiblings()); + }, + + match: function(element, selector) { + if (Object.isString(selector)) + selector = new Selector(selector); + return selector.match($(element)); + }, + + up: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(element.parentNode); + var ancestors = element.ancestors(); + return Object.isNumber(expression) ? ancestors[expression] : + Selector.findElement(ancestors, expression, index); + }, + + down: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return element.firstDescendant(); + return Object.isNumber(expression) ? element.descendants()[expression] : + element.select(expression)[index || 0]; + }, + + previous: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); + var previousSiblings = element.previousSiblings(); + return Object.isNumber(expression) ? previousSiblings[expression] : + Selector.findElement(previousSiblings, expression, index); + }, + + next: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); + var nextSiblings = element.nextSiblings(); + return Object.isNumber(expression) ? nextSiblings[expression] : + Selector.findElement(nextSiblings, expression, index); + }, + + select: function() { + var args = $A(arguments), element = $(args.shift()); + return Selector.findChildElements(element, args); + }, + + adjacent: function() { + var args = $A(arguments), element = $(args.shift()); + return Selector.findChildElements(element.parentNode, args).without(element); + }, + + identify: function(element) { + element = $(element); + var id = element.readAttribute('id'), self = arguments.callee; + if (id) return id; + do { id = 'anonymous_element_' + self.counter++ } while ($(id)); + element.writeAttribute('id', id); + return id; + }, + + readAttribute: function(element, name) { + element = $(element); + if (Prototype.Browser.IE) { + var t = Element._attributeTranslations.read; + if (t.values[name]) return t.values[name](element, name); + if (t.names[name]) name = t.names[name]; + if (name.include(':')) { + return (!element.attributes || !element.attributes[name]) ? null : + element.attributes[name].value; + } + } + return element.getAttribute(name); + }, + + writeAttribute: function(element, name, value) { + element = $(element); + var attributes = { }, t = Element._attributeTranslations.write; + + if (typeof name == 'object') attributes = name; + else attributes[name] = Object.isUndefined(value) ? true : value; + + for (var attr in attributes) { + name = t.names[attr] || attr; + value = attributes[attr]; + if (t.values[attr]) name = t.values[attr](element, value); + if (value === false || value === null) + element.removeAttribute(name); + else if (value === true) + element.setAttribute(name, name); + else element.setAttribute(name, value); + } + return element; + }, + + getHeight: function(element) { + return $(element).getDimensions().height; + }, + + getWidth: function(element) { + return $(element).getDimensions().width; + }, + classNames: function(element) { return new Element.ClassNames(element); }, hasClassName: function(element, className) { if (!(element = $(element))) return; - return Element.classNames(element).include(className); + var elementClassName = element.className; + return (elementClassName.length > 0 && (elementClassName == className || + new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); }, addClassName: function(element, className) { if (!(element = $(element))) return; - return Element.classNames(element).add(className); + if (!element.hasClassName(className)) + element.className += (element.className ? ' ' : '') + className; + return element; }, removeClassName: function(element, className) { if (!(element = $(element))) return; - return Element.classNames(element).remove(className); + element.className = element.className.replace( + new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); + return element; }, + toggleClassName: function(element, className) { + if (!(element = $(element))) return; + return element[element.hasClassName(className) ? + 'removeClassName' : 'addClassName'](className); + }, + // removes whitespace-only text node children cleanWhitespace: function(element) { element = $(element); - for (var i = 0; i < element.childNodes.length; i++) { - var node = element.childNodes[i]; + var node = element.firstChild; + while (node) { + var nextNode = node.nextSibling; if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) - Element.remove(node); + element.removeChild(node); + node = nextNode; } + return element; }, empty: function(element) { - return $(element).innerHTML.match(/^\s*$/); + return $(element).innerHTML.blank(); }, - childOf: function(element, ancestor) { + descendantOf: function(element, ancestor) { element = $(element), ancestor = $(ancestor); + var originalAncestor = ancestor; + + if (element.compareDocumentPosition) + return (element.compareDocumentPosition(ancestor) & 8) === 8; + + if (element.sourceIndex && !Prototype.Browser.Opera) { + var e = element.sourceIndex, a = ancestor.sourceIndex, + nextAncestor = ancestor.nextSibling; + if (!nextAncestor) { + do { ancestor = ancestor.parentNode; } + while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); + } + if (nextAncestor && nextAncestor.sourceIndex) + return (e > a && e < nextAncestor.sourceIndex); + } + while (element = element.parentNode) - if (element == ancestor) return true; + if (element == originalAncestor) return true; return false; }, scrollTo: function(element) { element = $(element); - var x = element.x ? element.x : element.offsetLeft, - y = element.y ? element.y : element.offsetTop; - window.scrollTo(x, y); + var pos = element.cumulativeOffset(); + window.scrollTo(pos[0], pos[1]); + return element; }, getStyle: function(element, style) { element = $(element); - var value = element.style[style.camelize()]; + style = style == 'float' ? 'cssFloat' : style.camelize(); + var value = element.style[style]; if (!value) { - if (document.defaultView && document.defaultView.getComputedStyle) { - var css = document.defaultView.getComputedStyle(element, null); - value = css ? css.getPropertyValue(style) : null; - } else if (element.currentStyle) { - value = element.currentStyle[style.camelize()]; - } + var css = document.defaultView.getComputedStyle(element, null); + value = css ? css[style] : null; } + if (style == 'opacity') return value ? parseFloat(value) : 1.0; + return value == 'auto' ? null : value; + }, - if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) - if (Element.getStyle(element, 'position') == 'static') value = 'auto'; + getOpacity: function(element) { + return $(element).getStyle('opacity'); + }, - return value == 'auto' ? null : value; + setStyle: function(element, styles) { + element = $(element); + var elementStyle = element.style, match; + if (Object.isString(styles)) { + element.style.cssText += ';' + styles; + return styles.include('opacity') ? + element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; + } + for (var property in styles) + if (property == 'opacity') element.setOpacity(styles[property]); + else + elementStyle[(property == 'float' || property == 'cssFloat') ? + (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : + property] = styles[property]; + + return element; }, - setStyle: function(element, style) { + setOpacity: function(element, value) { element = $(element); - for (var name in style) - element.style[name.camelize()] = style[name]; + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; + return element; }, getDimensions: function(element) { element = $(element); - if (Element.getStyle(element, 'display') != 'none') + var display = $(element).getStyle('display'); + if (display != 'none' && display != null) // Safari bug return {width: element.offsetWidth, height: element.offsetHeight}; // All *Width and *Height properties give 0 on elements with display none, @@ -1051,12 +1943,13 @@ var els = element.style; var originalVisibility = els.visibility; var originalPosition = els.position; + var originalDisplay = els.display; els.visibility = 'hidden'; els.position = 'absolute'; - els.display = ''; + els.display = 'block'; var originalWidth = element.clientWidth; var originalHeight = element.clientHeight; - els.display = 'none'; + els.display = originalDisplay; els.position = originalPosition; els.visibility = originalVisibility; return {width: originalWidth, height: originalHeight}; @@ -1075,6 +1968,7 @@ element.style.left = 0; } } + return element; }, undoPositioned: function(element) { @@ -1087,518 +1981,1680 @@ element.style.bottom = element.style.right = ''; } + return element; }, makeClipping: function(element) { element = $(element); - if (element._overflow) return; - element._overflow = element.style.overflow; - if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') + if (element._overflow) return element; + element._overflow = Element.getStyle(element, 'overflow') || 'auto'; + if (element._overflow !== 'hidden') element.style.overflow = 'hidden'; + return element; }, undoClipping: function(element) { element = $(element); - if (element._overflow) return; - element.style.overflow = element._overflow; - element._overflow = undefined; - } -} + if (!element._overflow) return element; + element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; + element._overflow = null; + return element; + }, -Object.extend(Element, Element.Methods); + cumulativeOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + } while (element); + return Element._returnOffset(valueL, valueT); + }, -var _nativeExtensions = false; + positionedOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + if (element) { + if (element.tagName == 'BODY') break; + var p = Element.getStyle(element, 'position'); + if (p !== 'static') break; + } + } while (element); + return Element._returnOffset(valueL, valueT); + }, -if(!HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) { - var HTMLElement = {} - HTMLElement.prototype = document.createElement('div').__proto__; -} + absolutize: function(element) { + element = $(element); + if (element.getStyle('position') == 'absolute') return; + // Position.prepare(); // To be done manually by Scripty when it needs it. -Element.addMethods = function(methods) { - Object.extend(Element.Methods, methods || {}); + var offsets = element.positionedOffset(); + var top = offsets[1]; + var left = offsets[0]; + var width = element.clientWidth; + var height = element.clientHeight; - if(typeof HTMLElement != 'undefined') { - var methods = Element.Methods, cache = Element.extend.cache; - for (property in methods) { - var value = methods[property]; - if (typeof value == 'function') - HTMLElement.prototype[property] = cache.findOrStore(value); + element._originalLeft = left - parseFloat(element.style.left || 0); + element._originalTop = top - parseFloat(element.style.top || 0); + element._originalWidth = element.style.width; + element._originalHeight = element.style.height; + + element.style.position = 'absolute'; + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.width = width + 'px'; + element.style.height = height + 'px'; + return element; + }, + + relativize: function(element) { + element = $(element); + if (element.getStyle('position') == 'relative') return; + // Position.prepare(); // To be done manually by Scripty when it needs it. + + element.style.position = 'relative'; + var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); + var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); + + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.height = element._originalHeight; + element.style.width = element._originalWidth; + return element; + }, + + cumulativeScrollOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.scrollTop || 0; + valueL += element.scrollLeft || 0; + element = element.parentNode; + } while (element); + return Element._returnOffset(valueL, valueT); + }, + + getOffsetParent: function(element) { + if (element.offsetParent) return $(element.offsetParent); + if (element == document.body) return $(element); + + while ((element = element.parentNode) && element != document.body) + if (Element.getStyle(element, 'position') != 'static') + return $(element); + + return $(document.body); + }, + + viewportOffset: function(forElement) { + var valueT = 0, valueL = 0; + + var element = forElement; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + + // Safari fix + if (element.offsetParent == document.body && + Element.getStyle(element, 'position') == 'absolute') break; + + } while (element = element.offsetParent); + + element = forElement; + do { + if (!Prototype.Browser.Opera || element.tagName == 'BODY') { + valueT -= element.scrollTop || 0; + valueL -= element.scrollLeft || 0; + } + } while (element = element.parentNode); + + return Element._returnOffset(valueL, valueT); + }, + + clonePosition: function(element, source) { + var options = Object.extend({ + setLeft: true, + setTop: true, + setWidth: true, + setHeight: true, + offsetTop: 0, + offsetLeft: 0 + }, arguments[2] || { }); + + // find page position of source + source = $(source); + var p = source.viewportOffset(); + + // find coordinate system to use + element = $(element); + var delta = [0, 0]; + var parent = null; + // delta [0,0] will do fine with position: fixed elements, + // position:absolute needs offsetParent deltas + if (Element.getStyle(element, 'position') == 'absolute') { + parent = element.getOffsetParent(); + delta = parent.viewportOffset(); } - _nativeExtensions = true; + + // correct by body offsets (fixes Safari) + if (parent == document.body) { + delta[0] -= document.body.offsetLeft; + delta[1] -= document.body.offsetTop; + } + + // set position + if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; + if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; + if (options.setWidth) element.style.width = source.offsetWidth + 'px'; + if (options.setHeight) element.style.height = source.offsetHeight + 'px'; + return element; } -} +}; -Element.addMethods(); +Element.Methods.identify.counter = 1; -var Toggle = new Object(); -Toggle.display = Element.toggle; +Object.extend(Element.Methods, { + getElementsBySelector: Element.Methods.select, + childElements: Element.Methods.immediateDescendants +}); -/*--------------------------------------------------------------------------*/ +Element._attributeTranslations = { + write: { + names: { + className: 'class', + htmlFor: 'for' + }, + values: { } + } +}; -Abstract.Insertion = function(adjacency) { - this.adjacency = adjacency; +if (Prototype.Browser.Opera) { + Element.Methods.getStyle = Element.Methods.getStyle.wrap( + function(proceed, element, style) { + switch (style) { + case 'left': case 'top': case 'right': case 'bottom': + if (proceed(element, 'position') === 'static') return null; + case 'height': case 'width': + // returns '0px' for hidden elements; we want it to return null + if (!Element.visible(element)) return null; + + // returns the border-box dimensions rather than the content-box + // dimensions, so we subtract padding and borders from the value + var dim = parseInt(proceed(element, style), 10); + + if (dim !== element['offset' + style.capitalize()]) + return dim + 'px'; + + var properties; + if (style === 'height') { + properties = ['border-top-width', 'padding-top', + 'padding-bottom', 'border-bottom-width']; + } + else { + properties = ['border-left-width', 'padding-left', + 'padding-right', 'border-right-width']; + } + return properties.inject(dim, function(memo, property) { + var val = proceed(element, property); + return val === null ? memo : memo - parseInt(val, 10); + }) + 'px'; + default: return proceed(element, style); + } + } + ); + + Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( + function(proceed, element, attribute) { + if (attribute === 'title') return element.title; + return proceed(element, attribute); + } + ); } -Abstract.Insertion.prototype = { - initialize: function(element, content) { - this.element = $(element); - this.content = content.stripScripts(); +else if (Prototype.Browser.IE) { + // IE doesn't report offsets correctly for static elements, so we change them + // to "relative" to get the values, then change them back. + Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( + function(proceed, element) { + element = $(element); + var position = element.getStyle('position'); + if (position !== 'static') return proceed(element); + element.setStyle({ position: 'relative' }); + var value = proceed(element); + element.setStyle({ position: position }); + return value; + } + ); - if (this.adjacency && this.element.insertAdjacentHTML) { - try { - this.element.insertAdjacentHTML(this.adjacency, this.content); - } catch (e) { - var tagName = this.element.tagName.toLowerCase(); - if (tagName == 'tbody' || tagName == 'tr') { - this.insertContent(this.contentFromAnonymousTable()); - } else { - throw e; + $w('positionedOffset viewportOffset').each(function(method) { + Element.Methods[method] = Element.Methods[method].wrap( + function(proceed, element) { + element = $(element); + var position = element.getStyle('position'); + if (position !== 'static') return proceed(element); + // Trigger hasLayout on the offset parent so that IE6 reports + // accurate offsetTop and offsetLeft values for position: fixed. + var offsetParent = element.getOffsetParent(); + if (offsetParent && offsetParent.getStyle('position') === 'fixed') + offsetParent.setStyle({ zoom: 1 }); + element.setStyle({ position: 'relative' }); + var value = proceed(element); + element.setStyle({ position: position }); + return value; + } + ); + }); + + Element.Methods.getStyle = function(element, style) { + element = $(element); + style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); + var value = element.style[style]; + if (!value && element.currentStyle) value = element.currentStyle[style]; + + if (style == 'opacity') { + if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) + if (value[1]) return parseFloat(value[1]) / 100; + return 1.0; + } + + if (value == 'auto') { + if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) + return element['offset' + style.capitalize()] + 'px'; + return null; + } + return value; + }; + + Element.Methods.setOpacity = function(element, value) { + function stripAlpha(filter){ + return filter.replace(/alpha\([^\)]*\)/gi,''); + } + element = $(element); + var currentStyle = element.currentStyle; + if ((currentStyle && !currentStyle.hasLayout) || + (!currentStyle && element.style.zoom == 'normal')) + element.style.zoom = 1; + + var filter = element.getStyle('filter'), style = element.style; + if (value == 1 || value === '') { + (filter = stripAlpha(filter)) ? + style.filter = filter : style.removeAttribute('filter'); + return element; + } else if (value < 0.00001) value = 0; + style.filter = stripAlpha(filter) + + 'alpha(opacity=' + (value * 100) + ')'; + return element; + }; + + Element._attributeTranslations = { + read: { + names: { + 'class': 'className', + 'for': 'htmlFor' + }, + values: { + _getAttr: function(element, attribute) { + return element.getAttribute(attribute, 2); + }, + _getAttrNode: function(element, attribute) { + var node = element.getAttributeNode(attribute); + return node ? node.value : ""; + }, + _getEv: function(element, attribute) { + attribute = element.getAttribute(attribute); + return attribute ? attribute.toString().slice(23, -2) : null; + }, + _flag: function(element, attribute) { + return $(element).hasAttribute(attribute) ? attribute : null; + }, + style: function(element) { + return element.style.cssText.toLowerCase(); + }, + title: function(element) { + return element.title; } } - } else { - this.range = this.element.ownerDocument.createRange(); - if (this.initializeRange) this.initializeRange(); - this.insertContent([this.range.createContextualFragment(this.content)]); } + }; - setTimeout(function() {content.evalScripts()}, 10); + Element._attributeTranslations.write = { + names: Object.extend({ + cellpadding: 'cellPadding', + cellspacing: 'cellSpacing' + }, Element._attributeTranslations.read.names), + values: { + checked: function(element, value) { + element.checked = !!value; + }, + + style: function(element, value) { + element.style.cssText = value ? value : ''; + } + } + }; + + Element._attributeTranslations.has = {}; + + $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + + 'encType maxLength readOnly longDesc').each(function(attr) { + Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; + Element._attributeTranslations.has[attr.toLowerCase()] = attr; + }); + + (function(v) { + Object.extend(v, { + href: v._getAttr, + src: v._getAttr, + type: v._getAttr, + action: v._getAttrNode, + disabled: v._flag, + checked: v._flag, + readonly: v._flag, + multiple: v._flag, + onload: v._getEv, + onunload: v._getEv, + onclick: v._getEv, + ondblclick: v._getEv, + onmousedown: v._getEv, + onmouseup: v._getEv, + onmouseover: v._getEv, + onmousemove: v._getEv, + onmouseout: v._getEv, + onfocus: v._getEv, + onblur: v._getEv, + onkeypress: v._getEv, + onkeydown: v._getEv, + onkeyup: v._getEv, + onsubmit: v._getEv, + onreset: v._getEv, + onselect: v._getEv, + onchange: v._getEv + }); + })(Element._attributeTranslations.read.values); +} + +else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1) ? 0.999999 : + (value === '') ? '' : (value < 0.00001) ? 0 : value; + return element; + }; +} + +else if (Prototype.Browser.WebKit) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; + + if (value == 1) + if(element.tagName == 'IMG' && element.width) { + element.width++; element.width--; + } else try { + var n = document.createTextNode(' '); + element.appendChild(n); + element.removeChild(n); + } catch (e) { } + + return element; + }; + + // Safari returns margins on body which is incorrect if the child is absolutely + // positioned. For performance reasons, redefine Element#cumulativeOffset for + // KHTML/WebKit only. + Element.Methods.cumulativeOffset = function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + if (element.offsetParent == document.body) + if (Element.getStyle(element, 'position') == 'absolute') break; + + element = element.offsetParent; + } while (element); + + return Element._returnOffset(valueL, valueT); + }; +} + +if (Prototype.Browser.IE || Prototype.Browser.Opera) { + // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements + Element.Methods.update = function(element, content) { + element = $(element); + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) return element.update().insert(content); + + content = Object.toHTML(content); + var tagName = element.tagName.toUpperCase(); + + if (tagName in Element._insertionTranslations.tags) { + $A(element.childNodes).each(function(node) { element.removeChild(node) }); + Element._getContentFromAnonymousElement(tagName, content.stripScripts()) + .each(function(node) { element.appendChild(node) }); + } + else element.innerHTML = content.stripScripts(); + + content.evalScripts.bind(content).defer(); + return element; + }; +} + +if ('outerHTML' in document.createElement('div')) { + Element.Methods.replace = function(element, content) { + element = $(element); + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) { + element.parentNode.replaceChild(content, element); + return element; + } + + content = Object.toHTML(content); + var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); + + if (Element._insertionTranslations.tags[tagName]) { + var nextSibling = element.next(); + var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + parent.removeChild(element); + if (nextSibling) + fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); + else + fragments.each(function(node) { parent.appendChild(node) }); + } + else element.outerHTML = content.stripScripts(); + + content.evalScripts.bind(content).defer(); + return element; + }; +} + +Element._returnOffset = function(l, t) { + var result = [l, t]; + result.left = l; + result.top = t; + return result; +}; + +Element._getContentFromAnonymousElement = function(tagName, html) { + var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; + if (t) { + div.innerHTML = t[0] + html + t[1]; + t[2].times(function() { div = div.firstChild }); + } else div.innerHTML = html; + return $A(div.childNodes); +}; + +Element._insertionTranslations = { + before: function(element, node) { + element.parentNode.insertBefore(node, element); }, + top: function(element, node) { + element.insertBefore(node, element.firstChild); + }, + bottom: function(element, node) { + element.appendChild(node); + }, + after: function(element, node) { + element.parentNode.insertBefore(node, element.nextSibling); + }, + tags: { + TABLE: ['<table>', '</table>', 1], + TBODY: ['<table><tbody>', '</tbody></table>', 2], + TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], + TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], + SELECT: ['<select>', '</select>', 1] + } +}; - contentFromAnonymousTable: function() { - var div = document.createElement('div'); - div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; - return $A(div.childNodes[0].childNodes[0].childNodes); +(function() { + Object.extend(this.tags, { + THEAD: this.tags.TBODY, + TFOOT: this.tags.TBODY, + TH: this.tags.TD + }); +}).call(Element._insertionTranslations); + +Element.Methods.Simulated = { + hasAttribute: function(element, attribute) { + attribute = Element._attributeTranslations.has[attribute] || attribute; + var node = $(element).getAttributeNode(attribute); + return node && node.specified; } +}; + +Element.Methods.ByTag = { }; + +Object.extend(Element, Element.Methods); + +if (!Prototype.BrowserFeatures.ElementExtensions && + document.createElement('div').__proto__) { + window.HTMLElement = { }; + window.HTMLElement.prototype = document.createElement('div').__proto__; + Prototype.BrowserFeatures.ElementExtensions = true; } -var Insertion = new Object(); +Element.extend = (function() { + if (Prototype.BrowserFeatures.SpecificElementExtensions) + return Prototype.K; -Insertion.Before = Class.create(); -Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { - initializeRange: function() { - this.range.setStartBefore(this.element); - }, + var Methods = { }, ByTag = Element.Methods.ByTag; - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, this.element); - }).bind(this)); + var extend = Object.extend(function(element) { + if (!element || element._extendedByPrototype || + element.nodeType != 1 || element == window) return element; + + var methods = Object.clone(Methods), + tagName = element.tagName, property, value; + + // extend methods for specific tags + if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); + + for (property in methods) { + value = methods[property]; + if (Object.isFunction(value) && !(property in element)) + element[property] = value.methodize(); + } + + element._extendedByPrototype = Prototype.emptyFunction; + return element; + + }, { + refresh: function() { + // extend methods for all tags (Safari doesn't need this) + if (!Prototype.BrowserFeatures.ElementExtensions) { + Object.extend(Methods, Element.Methods); + Object.extend(Methods, Element.Methods.Simulated); + } + } + }); + + extend.refresh(); + return extend; +})(); + +Element.hasAttribute = function(element, attribute) { + if (element.hasAttribute) return element.hasAttribute(attribute); + return Element.Methods.Simulated.hasAttribute(element, attribute); +}; + +Element.addMethods = function(methods) { + var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; + + if (!methods) { + Object.extend(Form, Form.Methods); + Object.extend(Form.Element, Form.Element.Methods); + Object.extend(Element.Methods.ByTag, { + "FORM": Object.clone(Form.Methods), + "INPUT": Object.clone(Form.Element.Methods), + "SELECT": Object.clone(Form.Element.Methods), + "TEXTAREA": Object.clone(Form.Element.Methods) + }); } -}); -Insertion.Top = Class.create(); -Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(true); - }, + if (arguments.length == 2) { + var tagName = methods; + methods = arguments[1]; + } - insertContent: function(fragments) { - fragments.reverse(false).each((function(fragment) { - this.element.insertBefore(fragment, this.element.firstChild); - }).bind(this)); + if (!tagName) Object.extend(Element.Methods, methods || { }); + else { + if (Object.isArray(tagName)) tagName.each(extend); + else extend(tagName); } -}); -Insertion.Bottom = Class.create(); -Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(this.element); - }, + function extend(tagName) { + tagName = tagName.toUpperCase(); + if (!Element.Methods.ByTag[tagName]) + Element.Methods.ByTag[tagName] = { }; + Object.extend(Element.Methods.ByTag[tagName], methods); + } - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.appendChild(fragment); - }).bind(this)); + function copy(methods, destination, onlyIfAbsent) { + onlyIfAbsent = onlyIfAbsent || false; + for (var property in methods) { + var value = methods[property]; + if (!Object.isFunction(value)) continue; + if (!onlyIfAbsent || !(property in destination)) + destination[property] = value.methodize(); + } } -}); -Insertion.After = Class.create(); -Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { - initializeRange: function() { - this.range.setStartAfter(this.element); - }, + function findDOMClass(tagName) { + var klass; + var trans = { + "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", + "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", + "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", + "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", + "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": + "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": + "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": + "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": + "FrameSet", "IFRAME": "IFrame" + }; + if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; + if (window[klass]) return window[klass]; + klass = 'HTML' + tagName + 'Element'; + if (window[klass]) return window[klass]; + klass = 'HTML' + tagName.capitalize() + 'Element'; + if (window[klass]) return window[klass]; - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, - this.element.nextSibling); - }).bind(this)); + window[klass] = { }; + window[klass].prototype = document.createElement(tagName).__proto__; + return window[klass]; } -}); -/*--------------------------------------------------------------------------*/ + if (F.ElementExtensions) { + copy(Element.Methods, HTMLElement.prototype); + copy(Element.Methods.Simulated, HTMLElement.prototype, true); + } -Element.ClassNames = Class.create(); -Element.ClassNames.prototype = { - initialize: function(element) { - this.element = $(element); - }, + if (F.SpecificElementExtensions) { + for (var tag in Element.Methods.ByTag) { + var klass = findDOMClass(tag); + if (Object.isUndefined(klass)) continue; + copy(T[tag], klass.prototype); + } + } - _each: function(iterator) { - this.element.className.split(/\s+/).select(function(name) { - return name.length > 0; - })._each(iterator); - }, + Object.extend(Element, Element.Methods); + delete Element.ByTag; - set: function(className) { - this.element.className = className; + if (Element.extend.refresh) Element.extend.refresh(); + Element.cache = { }; +}; + +document.viewport = { + getDimensions: function() { + var dimensions = { }; + var B = Prototype.Browser; + $w('width height').each(function(d) { + var D = d.capitalize(); + dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] : + (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D]; + }); + return dimensions; }, - add: function(classNameToAdd) { - if (this.include(classNameToAdd)) return; - this.set(this.toArray().concat(classNameToAdd).join(' ')); + getWidth: function() { + return this.getDimensions().width; }, - remove: function(classNameToRemove) { - if (!this.include(classNameToRemove)) return; - this.set(this.select(function(className) { - return className != classNameToRemove; - }).join(' ')); + getHeight: function() { + return this.getDimensions().height; }, - toString: function() { - return this.toArray().join(' '); + getScrollOffsets: function() { + return Element._returnOffset( + window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, + window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); } -} +}; +/* Portions of the Selector class are derived from Jack Slocum�۪s DomQuery, + * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style + * license. Please see http://www.yui-ext.com/ for more information. */ -Object.extend(Element.ClassNames.prototype, Enumerable); -var Selector = Class.create(); -Selector.prototype = { +var Selector = Class.create({ initialize: function(expression) { - this.params = {classNames: []}; - this.expression = expression.toString().strip(); - this.parseExpression(); + this.expression = expression.strip(); this.compileMatcher(); }, - parseExpression: function() { - function abort(message) { throw 'Parse error in selector: ' + message; } + shouldUseXPath: function() { + if (!Prototype.BrowserFeatures.XPath) return false; - if (this.expression == '') abort('empty expression'); + var e = this.expression; - var params = this.params, expr = this.expression, match, modifier, clause, rest; - while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { - params.attributes = params.attributes || []; - params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); - expr = match[1]; + // Safari 3 chokes on :*-of-type and :empty + if (Prototype.Browser.WebKit && + (e.include("-of-type") || e.include(":empty"))) + return false; + + // XPath can't do namespaced attributes, nor can it read + // the "checked" property from DOM nodes + if ((/(\[[\w-]*?:|:checked)/).test(this.expression)) + return false; + + return true; + }, + + compileMatcher: function() { + if (this.shouldUseXPath()) + return this.compileXPathMatcher(); + + var e = this.expression, ps = Selector.patterns, h = Selector.handlers, + c = Selector.criteria, le, p, m; + + if (Selector._cache[e]) { + this.matcher = Selector._cache[e]; + return; } - if (expr == '*') return this.params.wildcard = true; + this.matcher = ["this.matcher = function(root) {", + "var r = root, h = Selector.handlers, c = false, n;"]; - while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { - modifier = match[1], clause = match[2], rest = match[3]; - switch (modifier) { - case '#': params.id = clause; break; - case '.': params.classNames.push(clause); break; - case '': - case undefined: params.tagName = clause.toUpperCase(); break; - default: abort(expr.inspect()); + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i in ps) { + p = ps[i]; + if (m = e.match(p)) { + this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : + new Template(c[i]).evaluate(m)); + e = e.replace(m[0], ''); + break; + } } - expr = rest; } - if (expr.length > 0) abort(expr.inspect()); + this.matcher.push("return h.unique(n);\n}"); + eval(this.matcher.join('\n')); + Selector._cache[this.expression] = this.matcher; }, - buildMatchExpression: function() { - var params = this.params, conditions = [], clause; + compileXPathMatcher: function() { + var e = this.expression, ps = Selector.patterns, + x = Selector.xpath, le, m; - if (params.wildcard) - conditions.push('true'); - if (clause = params.id) - conditions.push('element.id == ' + clause.inspect()); - if (clause = params.tagName) - conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); - if ((clause = params.classNames).length > 0) - for (var i = 0; i < clause.length; i++) - conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')'); - if (clause = params.attributes) { - clause.each(function(attribute) { - var value = 'element.getAttribute(' + attribute.name.inspect() + ')'; - var splitValueBy = function(delimiter) { - return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; - } + if (Selector._cache[e]) { + this.xpath = Selector._cache[e]; return; + } - switch (attribute.operator) { - case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; - case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; - case '|=': conditions.push( - splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() - ); break; - case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; - case '': - case undefined: conditions.push(value + ' != null'); break; - default: throw 'Unknown operator ' + attribute.operator + ' in selector'; + this.matcher = ['.//*']; + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i in ps) { + if (m = e.match(ps[i])) { + this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : + new Template(x[i]).evaluate(m)); + e = e.replace(m[0], ''); + break; } - }); + } } - return conditions.join(' && '); + this.xpath = this.matcher.join(''); + Selector._cache[this.expression] = this.xpath; }, - compileMatcher: function() { - this.match = new Function('element', 'if (!element.tagName) return false; \ - return ' + this.buildMatchExpression()); + findElements: function(root) { + root = root || document; + if (this.xpath) return document._getElementsByXPath(this.xpath, root); + return this.matcher(root); }, - findElements: function(scope) { - var element; + match: function(element) { + this.tokens = []; - if (element = $(this.params.id)) - if (this.match(element)) - if (!scope || Element.childOf(element, scope)) - return [element]; + var e = this.expression, ps = Selector.patterns, as = Selector.assertions; + var le, p, m; - scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); + while (e && le !== e && (/\S/).test(e)) { + le = e; + for (var i in ps) { + p = ps[i]; + if (m = e.match(p)) { + // use the Selector.assertions methods unless the selector + // is too complex. + if (as[i]) { + this.tokens.push([i, Object.clone(m)]); + e = e.replace(m[0], ''); + } else { + // reluctantly do a document-wide search + // and look for a match in the array + return this.findElements(document).include(element); + } + } + } + } - var results = []; - for (var i = 0; i < scope.length; i++) - if (this.match(element = scope[i])) - results.push(Element.extend(element)); + var match = true, name, matches; + for (var i = 0, token; token = this.tokens[i]; i++) { + name = token[0], matches = token[1]; + if (!Selector.assertions[name](element, matches)) { + match = false; break; + } + } - return results; + return match; }, toString: function() { return this.expression; + }, + + inspect: function() { + return "#<Selector:" + this.expression.inspect() + ">"; } -} +}); -function $$() { - return $A(arguments).map(function(expression) { - return expression.strip().split(/\s+/).inject([null], function(results, expr) { - var selector = new Selector(expr); - return results.map(selector.findElements.bind(selector)).flatten(); - }); - }).flatten(); -} -var Field = { - clear: function() { - for (var i = 0; i < arguments.length; i++) - $(arguments[i]).value = ''; +Object.extend(Selector, { + _cache: { }, + + xpath: { + descendant: "//*", + child: "/*", + adjacent: "/following-sibling::*[1]", + laterSibling: '/following-sibling::*', + tagName: function(m) { + if (m[1] == '*') return ''; + return "[local-name()='" + m[1].toLowerCase() + + "' or local-name()='" + m[1].toUpperCase() + "']"; + }, + className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", + id: "[@id='#{1}']", + attrPresence: function(m) { + m[1] = m[1].toLowerCase(); + return new Template(&quot;[(a)#{1}]&quot;).evaluate(m); + }, + attr: function(m) { + m[1] = m[1].toLowerCase(); + m[3] = m[5] || m[6]; + return new Template(Selector.xpath.operators[m[2]]).evaluate(m); + }, + pseudo: function(m) { + var h = Selector.xpath.pseudos[m[1]]; + if (!h) return ''; + if (Object.isFunction(h)) return h(m); + return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); + }, + operators: { + '=': "[@#{1}='#{3}']", + '!=': "[@#{1}!='#{3}']", + '^=': "[starts-with(@#{1}, '#{3}')]", + '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", + '*=': "[contains(@#{1}, '#{3}')]", + '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", + '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" + }, + pseudos: { + 'first-child': '[not(preceding-sibling::*)]', + 'last-child': '[not(following-sibling::*)]', + 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', + 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", + 'checked': "[@checked]", + 'disabled': "[@disabled]", + 'enabled': "[not(@disabled)]", + 'not': function(m) { + var e = m[6], p = Selector.patterns, + x = Selector.xpath, le, v; + + var exclusion = []; + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i in p) { + if (m = e.match(p[i])) { + v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); + exclusion.push("(" + v.substring(1, v.length - 1) + ")"); + e = e.replace(m[0], ''); + break; + } + } + } + return "[not(" + exclusion.join(" and ") + ")]"; + }, + 'nth-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); + }, + 'nth-last-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); + }, + 'nth-of-type': function(m) { + return Selector.xpath.pseudos.nth("position() ", m); + }, + 'nth-last-of-type': function(m) { + return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); + }, + 'first-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); + }, + 'last-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); + }, + 'only-of-type': function(m) { + var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); + }, + nth: function(fragment, m) { + var mm, formula = m[6], predicate; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + if (mm = formula.match(/^(\d+)$/)) // digit only + return '[' + fragment + "= " + mm[1] + ']'; + if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (mm[1] == "-") mm[1] = -1; + var a = mm[1] ? Number(mm[1]) : 1; + var b = mm[2] ? Number(mm[2]) : 0; + predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + + "((#{fragment} - #{b}) div #{a} >= 0)]"; + return new Template(predicate).evaluate({ + fragment: fragment, a: a, b: b }); + } + } + } }, - focus: function(element) { - $(element).focus(); + criteria: { + tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', + className: 'n = h.className(n, r, "#{1}", c); c = false;', + id: 'n = h.id(n, r, "#{1}", c); c = false;', + attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', + attr: function(m) { + m[3] = (m[5] || m[6]); + return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); + }, + pseudo: function(m) { + if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); + return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); + }, + descendant: 'c = "descendant";', + child: 'c = "child";', + adjacent: 'c = "adjacent";', + laterSibling: 'c = "laterSibling";' }, - present: function() { - for (var i = 0; i < arguments.length; i++) - if ($(arguments[i]).value == '') return false; - return true; + patterns: { + // combinators must be listed first + // (and descendant needs to be last combinator) + laterSibling: /^\s*~\s*/, + child: /^\s*>\s*/, + adjacent: /^\s*\+\s*/, + descendant: /^\s/, + + // selectors follow + tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, + id: /^#([\w\-\*]+)(\b|$)/, + className: /^\.([\w\-\*]+)(\b|$)/, + pseudo: +/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, + attrPresence: /^\[([\w]+)\]/, + attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }, - select: function(element) { - $(element).select(); + // for Selector.match and Element#match + assertions: { + tagName: function(element, matches) { + return matches[1].toUpperCase() == element.tagName.toUpperCase(); + }, + + className: function(element, matches) { + return Element.hasClassName(element, matches[1]); + }, + + id: function(element, matches) { + return element.id === matches[1]; + }, + + attrPresence: function(element, matches) { + return Element.hasAttribute(element, matches[1]); + }, + + attr: function(element, matches) { + var nodeValue = Element.readAttribute(element, matches[1]); + return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); + } }, - activate: function(element) { - element = $(element); - element.focus(); - if (element.select) - element.select(); - } -} + handlers: { + // UTILITY FUNCTIONS + // joins two collections + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + a.push(node); + return a; + }, -/*--------------------------------------------------------------------------*/ + // marks an array of nodes for counting + mark: function(nodes) { + var _true = Prototype.emptyFunction; + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = _true; + return nodes; + }, -var Form = { - serialize: function(form) { - var elements = Form.getElements($(form)); - var queryComponents = new Array(); + unmark: function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = undefined; + return nodes; + }, - for (var i = 0; i < elements.length; i++) { - var queryComponent = Form.Element.serialize(elements[i]); - if (queryComponent) - queryComponents.push(queryComponent); + // mark each child node with its position (for nth calls) + // "ofType" flag indicates whether we're indexing for nth-of-type + // rather than nth-child + index: function(parentNode, reverse, ofType) { + parentNode._countedByPrototype = Prototype.emptyFunction; + if (reverse) { + for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { + var node = nodes[i]; + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; + } + } else { + for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; + } + }, + + // filters out duplicates and extends all nodes + unique: function(nodes) { + if (nodes.length == 0) return nodes; + var results = [], n; + for (var i = 0, l = nodes.length; i < l; i++) + if (!(n = nodes[i])._countedByPrototype) { + n._countedByPrototype = Prototype.emptyFunction; + results.push(Element.extend(n)); + } + return Selector.handlers.unmark(results); + }, + + // COMBINATOR FUNCTIONS + descendant: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + h.concat(results, node.getElementsByTagName('*')); + return results; + }, + + child: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) { + for (var j = 0, child; child = node.childNodes[j]; j++) + if (child.nodeType == 1 && child.tagName != '!') results.push(child); + } + return results; + }, + + adjacent: function(nodes) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + var next = this.nextElementSibling(node); + if (next) results.push(next); + } + return results; + }, + + laterSibling: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + h.concat(results, Element.nextSiblings(node)); + return results; + }, + + nextElementSibling: function(node) { + while (node = node.nextSibling) + if (node.nodeType == 1) return node; + return null; + }, + + previousElementSibling: function(node) { + while (node = node.previousSibling) + if (node.nodeType == 1) return node; + return null; + }, + + // TOKEN FUNCTIONS + tagName: function(nodes, root, tagName, combinator) { + var uTagName = tagName.toUpperCase(); + var results = [], h = Selector.handlers; + if (nodes) { + if (combinator) { + // fastlane for ordinary descendant combinators + if (combinator == "descendant") { + for (var i = 0, node; node = nodes[i]; i++) + h.concat(results, node.getElementsByTagName(tagName)); + return results; + } else nodes = this[combinator](nodes); + if (tagName == "*") return nodes; + } + for (var i = 0, node; node = nodes[i]; i++) + if (node.tagName.toUpperCase() === uTagName) results.push(node); + return results; + } else return root.getElementsByTagName(tagName); + }, + + id: function(nodes, root, id, combinator) { + var targetNode = $(id), h = Selector.handlers; + if (!targetNode) return []; + if (!nodes && root == document) return [targetNode]; + if (nodes) { + if (combinator) { + if (combinator == 'child') { + for (var i = 0, node; node = nodes[i]; i++) + if (targetNode.parentNode == node) return [targetNode]; + } else if (combinator == 'descendant') { + for (var i = 0, node; node = nodes[i]; i++) + if (Element.descendantOf(targetNode, node)) return [targetNode]; + } else if (combinator == 'adjacent') { + for (var i = 0, node; node = nodes[i]; i++) + if (Selector.handlers.previousElementSibling(targetNode) == node) + return [targetNode]; + } else nodes = h[combinator](nodes); + } + for (var i = 0, node; node = nodes[i]; i++) + if (node == targetNode) return [targetNode]; + return []; + } + return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; + }, + + className: function(nodes, root, className, combinator) { + if (nodes && combinator) nodes = this[combinator](nodes); + return Selector.handlers.byClassName(nodes, root, className); + }, + + byClassName: function(nodes, root, className) { + if (!nodes) nodes = Selector.handlers.descendant([root]); + var needle = ' ' + className + ' '; + for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { + nodeClassName = node.className; + if (nodeClassName.length == 0) continue; + if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) + results.push(node); + } + return results; + }, + + attrPresence: function(nodes, root, attr, combinator) { + if (!nodes) nodes = root.getElementsByTagName("*"); + if (nodes && combinator) nodes = this[combinator](nodes); + var results = []; + for (var i = 0, node; node = nodes[i]; i++) + if (Element.hasAttribute(node, attr)) results.push(node); + return results; + }, + + attr: function(nodes, root, attr, value, operator, combinator) { + if (!nodes) nodes = root.getElementsByTagName("*"); + if (nodes && combinator) nodes = this[combinator](nodes); + var handler = Selector.operators[operator], results = []; + for (var i = 0, node; node = nodes[i]; i++) { + var nodeValue = Element.readAttribute(node, attr); + if (nodeValue === null) continue; + if (handler(nodeValue, value)) results.push(node); + } + return results; + }, + + pseudo: function(nodes, name, value, root, combinator) { + if (nodes && combinator) nodes = this[combinator](nodes); + if (!nodes) nodes = root.getElementsByTagName("*"); + return Selector.pseudos[name](nodes, value, root); } + }, - return queryComponents.join('&'); + pseudos: { + 'first-child': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + if (Selector.handlers.previousElementSibling(node)) continue; + results.push(node); + } + return results; + }, + 'last-child': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + if (Selector.handlers.nextElementSibling(node)) continue; + results.push(node); + } + return results; + }, + 'only-child': function(nodes, value, root) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) + results.push(node); + return results; + }, + 'nth-child': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root); + }, + 'nth-last-child': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, true); + }, + 'nth-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, false, true); + }, + 'nth-last-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, formula, root, true, true); + }, + 'first-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, "1", root, false, true); + }, + 'last-of-type': function(nodes, formula, root) { + return Selector.pseudos.nth(nodes, "1", root, true, true); + }, + 'only-of-type': function(nodes, formula, root) { + var p = Selector.pseudos; + return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); + }, + + // handles the an+b logic + getIndices: function(a, b, total) { + if (a == 0) return b > 0 ? [b] : []; + return $R(1, total).inject([], function(memo, i) { + if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); + return memo; + }); + }, + + // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type + nth: function(nodes, formula, root, reverse, ofType) { + if (nodes.length == 0) return []; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + var h = Selector.handlers, results = [], indexed = [], m; + h.mark(nodes); + for (var i = 0, node; node = nodes[i]; i++) { + if (!node.parentNode._countedByPrototype) { + h.index(node.parentNode, reverse, ofType); + indexed.push(node.parentNode); + } + } + if (formula.match(/^\d+$/)) { // just a number + formula = Number(formula); + for (var i = 0, node; node = nodes[i]; i++) + if (node.nodeIndex == formula) results.push(node); + } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (m[1] == "-") m[1] = -1; + var a = m[1] ? Number(m[1]) : 1; + var b = m[2] ? Number(m[2]) : 0; + var indices = Selector.pseudos.getIndices(a, b, nodes.length); + for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { + for (var j = 0; j < l; j++) + if (node.nodeIndex == indices[j]) results.push(node); + } + } + h.unmark(nodes); + h.unmark(indexed); + return results; + }, + + 'empty': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) { + // IE treats comments as element nodes + if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; + results.push(node); + } + return results; + }, + + 'not': function(nodes, selector, root) { + var h = Selector.handlers, selectorType, m; + var exclusions = new Selector(selector).findElements(root); + h.mark(exclusions); + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node._countedByPrototype) results.push(node); + h.unmark(exclusions); + return results; + }, + + 'enabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node.disabled) results.push(node); + return results; + }, + + 'disabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.disabled) results.push(node); + return results; + }, + + 'checked': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.checked) results.push(node); + return results; + } }, - getElements: function(form) { - form = $(form); - var elements = new Array(); + operators: { + '=': function(nv, v) { return nv == v; }, + '!=': function(nv, v) { return nv != v; }, + '^=': function(nv, v) { return nv.startsWith(v); }, + '$=': function(nv, v) { return nv.endsWith(v); }, + '*=': function(nv, v) { return nv.include(v); }, + '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, + '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } + }, - for (var tagName in Form.Element.Serializers) { - var tagElements = form.getElementsByTagName(tagName); - for (var j = 0; j < tagElements.length; j++) - elements.push(tagElements[j]); + split: function(expression) { + var expressions = []; + expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { + expressions.push(m[1].strip()); + }); + return expressions; + }, + + matchElements: function(elements, expression) { + var matches = $$(expression), h = Selector.handlers; + h.mark(matches); + for (var i = 0, results = [], element; element = elements[i]; i++) + if (element._countedByPrototype) results.push(element); + h.unmark(matches); + return results; + }, + + findElement: function(elements, expression, index) { + if (Object.isNumber(expression)) { + index = expression; expression = false; } - return elements; + return Selector.matchElements(elements, expression || '*')[index || 0]; }, + findChildElements: function(element, expressions) { + expressions = Selector.split(expressions.join(',')); + var results = [], h = Selector.handlers; + for (var i = 0, l = expressions.length, selector; i < l; i++) { + selector = new Selector(expressions[i].strip()); + h.concat(results, selector.findElements(element)); + } + return (l > 1) ? h.unique(results) : results; + } +}); + +if (Prototype.Browser.IE) { + Object.extend(Selector.handlers, { + // IE returns comment nodes on getElementsByTagName("*"). + // Filter them out. + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + if (node.tagName !== "!") a.push(node); + return a; + }, + + // IE improperly serializes _countedByPrototype in (inner|outer)HTML. + unmark: function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node.removeAttribute('_countedByPrototype'); + return nodes; + } + }); +} + +function $$() { + return Selector.findChildElements(document, $A(arguments)); +} +var Form = { + reset: function(form) { + $(form).reset(); + return form; + }, + + serializeElements: function(elements, options) { + if (typeof options != 'object') options = { hash: !!options }; + else if (Object.isUndefined(options.hash)) options.hash = true; + var key, value, submitted = false, submit = options.submit; + + var data = elements.inject({ }, function(result, element) { + if (!element.disabled && element.name) { + key = element.name; value = $(element).getValue(); + if (value != null && (element.type != 'submit' || (!submitted && + submit !== false && (!submit || key == submit) && (submitted = true)))) { + if (key in result) { + // a key is already present; construct an array of values + if (!Object.isArray(result[key])) result[key] = [result[key]]; + result[key].push(value); + } + else result[key] = value; + } + } + return result; + }); + + return options.hash ? data : Object.toQueryString(data); + } +}; + +Form.Methods = { + serialize: function(form, options) { + return Form.serializeElements(Form.getElements(form), options); + }, + + getElements: function(form) { + return $A($(form).getElementsByTagName('*')).inject([], + function(elements, child) { + if (Form.Element.Serializers[child.tagName.toLowerCase()]) + elements.push(Element.extend(child)); + return elements; + } + ); + }, + getInputs: function(form, typeName, name) { form = $(form); var inputs = form.getElementsByTagName('input'); - if (!typeName && !name) - return inputs; + if (!typeName && !name) return $A(inputs).map(Element.extend); - var matchingInputs = new Array(); - for (var i = 0; i < inputs.length; i++) { + for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { var input = inputs[i]; - if ((typeName && input.type != typeName) || - (name && input.name != name)) + if ((typeName && input.type != typeName) || (name && input.name != name)) continue; - matchingInputs.push(input); + matchingInputs.push(Element.extend(input)); } return matchingInputs; }, disable: function(form) { - var elements = Form.getElements(form); - for (var i = 0; i < elements.length; i++) { - var element = elements[i]; - element.blur(); - element.disabled = 'true'; - } + form = $(form); + Form.getElements(form).invoke('disable'); + return form; }, enable: function(form) { - var elements = Form.getElements(form); - for (var i = 0; i < elements.length; i++) { - var element = elements[i]; - element.disabled = ''; - } + form = $(form); + Form.getElements(form).invoke('enable'); + return form; }, findFirstElement: function(form) { - return Form.getElements(form).find(function(element) { - return element.type != 'hidden' && !element.disabled && - ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); + var elements = $(form).getElements().findAll(function(element) { + return 'hidden' != element.type && !element.disabled; }); + var firstByIndex = elements.findAll(function(element) { + return element.hasAttribute('tabIndex') && element.tabIndex >= 0; + }).sortBy(function(element) { return element.tabIndex }).first(); + + return firstByIndex ? firstByIndex : elements.find(function(element) { + return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); + }); }, focusFirstElement: function(form) { - Field.activate(Form.findFirstElement(form)); + form = $(form); + form.findFirstElement().activate(); + return form; }, - reset: function(form) { - $(form).reset(); + request: function(form, options) { + form = $(form), options = Object.clone(options || { }); + + var params = options.parameters, action = form.readAttribute('action') || ''; + if (action.blank()) action = window.location.href; + options.parameters = form.serialize(true); + + if (params) { + if (Object.isString(params)) params = params.toQueryParams(); + Object.extend(options.parameters, params); + } + + if (form.hasAttribute('method') && !options.method) + options.method = form.method; + + return new Ajax.Request(action, options); } -} +}; +/*--------------------------------------------------------------------------*/ + Form.Element = { + focus: function(element) { + $(element).focus(); + return element; + }, + + select: function(element) { + $(element).select(); + return element; + } +}; + +Form.Element.Methods = { serialize: function(element) { element = $(element); + if (!element.disabled && element.name) { + var value = element.getValue(); + if (value != undefined) { + var pair = { }; + pair[element.name] = value; + return Object.toQueryString(pair); + } + } + return ''; + }, + + getValue: function(element) { + element = $(element); var method = element.tagName.toLowerCase(); - var parameter = Form.Element.Serializers[method](element); + return Form.Element.Serializers[method](element); + }, - if (parameter) { - var key = encodeURIComponent(parameter[0]); - if (key.length == 0) return; + setValue: function(element, value) { + element = $(element); + var method = element.tagName.toLowerCase(); + Form.Element.Serializers[method](element, value); + return element; + }, - if (parameter[1].constructor != Array) - parameter[1] = [parameter[1]]; + clear: function(element) { + $(element).value = ''; + return element; + }, - return parameter[1].map(function(value) { - return key + '=' + encodeURIComponent(value); - }).join('&'); - } + present: function(element) { + return $(element).value != ''; }, - getValue: function(element) { + activate: function(element) { element = $(element); - var method = element.tagName.toLowerCase(); - var parameter = Form.Element.Serializers[method](element); + try { + element.focus(); + if (element.select && (element.tagName.toLowerCase() != 'input' || + !['button', 'reset', 'submit'].include(element.type))) + element.select(); + } catch (e) { } + return element; + }, - if (parameter) - return parameter[1]; + disable: function(element) { + element = $(element); + element.blur(); + element.disabled = true; + return element; + }, + + enable: function(element) { + element = $(element); + element.disabled = false; + return element; } -} +}; +/*--------------------------------------------------------------------------*/ + +var Field = Form.Element; +var $F = Form.Element.Methods.getValue; + +/*--------------------------------------------------------------------------*/ + Form.Element.Serializers = { - input: function(element) { + input: function(element, value) { switch (element.type.toLowerCase()) { - case 'submit': - case 'hidden': - case 'password': - case 'text': - return Form.Element.Serializers.textarea(element); case 'checkbox': case 'radio': - return Form.Element.Serializers.inputSelector(element); + return Form.Element.Serializers.inputSelector(element, value); + default: + return Form.Element.Serializers.textarea(element, value); } - return false; }, - inputSelector: function(element) { - if (element.checked) - return [element.name, element.value]; + inputSelector: function(element, value) { + if (Object.isUndefined(value)) return element.checked ? element.value : null; + else element.checked = !!value; }, - textarea: function(element) { - return [element.name, element.value]; + textarea: function(element, value) { + if (Object.isUndefined(value)) return element.value; + else element.value = value; }, - select: function(element) { - return Form.Element.Serializers[element.type == 'select-one' ? - 'selectOne' : 'selectMany'](element); + select: function(element, index) { + if (Object.isUndefined(index)) + return this[element.type == 'select-one' ? + 'selectOne' : 'selectMany'](element); + else { + var opt, value, single = !Object.isArray(index); + for (var i = 0, length = element.length; i < length; i++) { + opt = element.options[i]; + value = this.optionValue(opt); + if (single) { + if (value == index) { + opt.selected = true; + return; + } + } + else opt.selected = index.include(value); + } + } }, selectOne: function(element) { - var value = '', opt, index = element.selectedIndex; - if (index >= 0) { - opt = element.options[index]; - value = opt.value || opt.text; - } - return [element.name, value]; + var index = element.selectedIndex; + return index >= 0 ? this.optionValue(element.options[index]) : null; }, selectMany: function(element) { - var value = []; - for (var i = 0; i < element.length; i++) { + var values, length = element.length; + if (!length) return null; + + for (var i = 0, values = []; i < length; i++) { var opt = element.options[i]; - if (opt.selected) - value.push(opt.value || opt.text); + if (opt.selected) values.push(this.optionValue(opt)); } - return [element.name, value]; + return values; + }, + + optionValue: function(opt) { + // extend element because hasAttribute may not be native + return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; } -} +}; /*--------------------------------------------------------------------------*/ -var $F = Form.Element.getValue; - -/*--------------------------------------------------------------------------*/ - -Abstract.TimedObserver = function() {} -Abstract.TimedObserver.prototype = { - initialize: function(element, frequency, callback) { - this.frequency = frequency; +Abstract.TimedObserver = Class.create(PeriodicalExecuter, { + initialize: function($super, element, frequency, callback) { + $super(callback, frequency); this.element = $(element); - this.callback = callback; - this.lastValue = this.getValue(); - this.registerCallback(); }, - registerCallback: function() { - setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); - }, - - onTimerEvent: function() { + execute: function() { var value = this.getValue(); - if (this.lastValue != value) { + if (Object.isString(this.lastValue) && Object.isString(value) ? + this.lastValue != value : String(this.lastValue) != String(value)) { this.callback(this.element, value); this.lastValue = value; } } -} +}); -Form.Element.Observer = Class.create(); -Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { +Form.Element.Observer = Class.create(Abstract.TimedObserver, { getValue: function() { return Form.Element.getValue(this.element); } }); -Form.Observer = Class.create(); -Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { +Form.Observer = Class.create(Abstract.TimedObserver, { getValue: function() { return Form.serialize(this.element); } @@ -1606,8 +3662,7 @@ /*--------------------------------------------------------------------------*/ -Abstract.EventObserver = function() {} -Abstract.EventObserver.prototype = { +Abstract.EventObserver = Class.create({ initialize: function(element, callback) { this.element = $(element); this.callback = callback; @@ -1628,9 +3683,7 @@ }, registerFormCallbacks: function() { - var elements = Form.getElements(this.element); - for (var i = 0; i < elements.length; i++) - this.registerCallback(elements[i]); + Form.getElements(this.element).each(this.registerCallback, this); }, registerCallback: function(element) { @@ -1640,34 +3693,26 @@ case 'radio': Event.observe(element, 'click', this.onElementEvent.bind(this)); break; - case 'password': - case 'text': - case 'textarea': - case 'select-one': - case 'select-multiple': + default: Event.observe(element, 'change', this.onElementEvent.bind(this)); break; } } } -} +}); -Form.Element.EventObserver = Class.create(); -Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { +Form.Element.EventObserver = Class.create(Abstract.EventObserver, { getValue: function() { return Form.Element.getValue(this.element); } }); -Form.EventObserver = Class.create(); -Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { +Form.EventObserver = Class.create(Abstract.EventObserver, { getValue: function() { return Form.serialize(this.element); } }); -if (!window.Event) { - var Event = new Object(); -} +if (!window.Event) var Event = { }; Object.extend(Event, { KEY_BACKSPACE: 8, @@ -1679,100 +3724,343 @@ KEY_RIGHT: 39, KEY_DOWN: 40, KEY_DELETE: 46, + KEY_HOME: 36, + KEY_END: 35, + KEY_PAGEUP: 33, + KEY_PAGEDOWN: 34, + KEY_INSERT: 45, - element: function(event) { - return event.target || event.srcElement; - }, + cache: { }, - isLeftClick: function(event) { - return (((event.which) && (event.which == 1)) || - ((event.button) && (event.button == 1))); - }, + relatedTarget: function(event) { + var element; + switch(event.type) { + case 'mouseover': element = event.fromElement; break; + case 'mouseout': element = event.toElement; break; + default: return null; + } + return Element.extend(element); + } +}); - pointerX: function(event) { - return event.pageX || (event.clientX + - (document.documentElement.scrollLeft || document.body.scrollLeft)); - }, +Event.Methods = (function() { + var isButton; - pointerY: function(event) { - return event.pageY || (event.clientY + - (document.documentElement.scrollTop || document.body.scrollTop)); - }, + if (Prototype.Browser.IE) { + var buttonMap = { 0: 1, 1: 4, 2: 2 }; + isButton = function(event, code) { + return event.button == buttonMap[code]; + }; - stop: function(event) { - if (event.preventDefault) { + } else if (Prototype.Browser.WebKit) { + isButton = function(event, code) { + switch (code) { + case 0: return event.which == 1 && !event.metaKey; + case 1: return event.which == 1 && event.metaKey; + default: return false; + } + }; + + } else { + isButton = function(event, code) { + return event.which ? (event.which === code + 1) : (event.button === code); + }; + } + + return { + isLeftClick: function(event) { return isButton(event, 0) }, + isMiddleClick: function(event) { return isButton(event, 1) }, + isRightClick: function(event) { return isButton(event, 2) }, + + element: function(event) { + var node = Event.extend(event).target; + return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node); + }, + + findElement: function(event, expression) { + var element = Event.element(event); + if (!expression) return element; + var elements = [element].concat(element.ancestors()); + return Selector.findElement(elements, expression, 0); + }, + + pointer: function(event) { + return { + x: event.pageX || (event.clientX + + (document.documentElement.scrollLeft || document.body.scrollLeft)), + y: event.pageY || (event.clientY + + (document.documentElement.scrollTop || document.body.scrollTop)) + }; + }, + + pointerX: function(event) { return Event.pointer(event).x }, + pointerY: function(event) { return Event.pointer(event).y }, + + stop: function(event) { + Event.extend(event); event.preventDefault(); event.stopPropagation(); - } else { - event.returnValue = false; - event.cancelBubble = true; + event.stopped = true; } - }, + }; +})(); - // find the first node with the given tagName, starting from the - // node the event was triggered on; traverses the DOM upwards - findElement: function(event, tagName) { - var element = Event.element(event); - while (element.parentNode && (!element.tagName || - (element.tagName.toUpperCase() != tagName.toUpperCase()))) - element = element.parentNode; - return element; - }, +Event.extend = (function() { + var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { + m[name] = Event.Methods[name].methodize(); + return m; + }); - observers: false, + if (Prototype.Browser.IE) { + Object.extend(methods, { + stopPropagation: function() { this.cancelBubble = true }, + preventDefault: function() { this.returnValue = false }, + inspect: function() { return "[object Event]" } + }); - _observeAndCache: function(element, name, observer, useCapture) { - if (!this.observers) this.observers = []; - if (element.addEventListener) { - this.observers.push([element, name, observer, useCapture]); - element.addEventListener(name, observer, useCapture); - } else if (element.attachEvent) { - this.observers.push([element, name, observer, useCapture]); - element.attachEvent('on' + name, observer); + return function(event) { + if (!event) return false; + if (event._extendedByPrototype) return event; + + event._extendedByPrototype = Prototype.emptyFunction; + var pointer = Event.pointer(event); + Object.extend(event, { + target: event.srcElement, + relatedTarget: Event.relatedTarget(event), + pageX: pointer.x, + pageY: pointer.y + }); + return Object.extend(event, methods); + }; + + } else { + Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__; + Object.extend(Event.prototype, methods); + return Prototype.K; + } +})(); + +Object.extend(Event, (function() { + var cache = Event.cache; + + function getEventID(element) { + if (element._prototypeEventID) return element._prototypeEventID[0]; + arguments.callee.id = arguments.callee.id || 1; + return element._prototypeEventID = [++arguments.callee.id]; + } + + function getDOMEventName(eventName) { + if (eventName && eventName.include(':')) return "dataavailable"; + return eventName; + } + + function getCacheForID(id) { + return cache[id] = cache[id] || { }; + } + + function getWrappersForEventName(id, eventName) { + var c = getCacheForID(id); + return c[eventName] = c[eventName] || []; + } + + function createWrapper(element, eventName, handler) { + var id = getEventID(element); + var c = getWrappersForEventName(id, eventName); + if (c.pluck("handler").include(handler)) return false; + + var wrapper = function(event) { + if (!Event || !Event.extend || + (event.eventName && event.eventName != eventName)) + return false; + + Event.extend(event); + handler.call(element, event); + }; + + wrapper.handler = handler; + c.push(wrapper); + return wrapper; + } + + function findWrapper(id, eventName, handler) { + var c = getWrappersForEventName(id, eventName); + return c.find(function(wrapper) { return wrapper.handler == handler }); + } + + function destroyWrapper(id, eventName, handler) { + var c = getCacheForID(id); + if (!c[eventName]) return false; + c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); + } + + function destroyCache() { + for (var id in cache) + for (var eventName in cache[id]) + cache[id][eventName] = null; + } + + if (window.attachEvent) { + window.attachEvent("onunload", destroyCache); + } + + return { + observe: function(element, eventName, handler) { + element = $(element); + var name = getDOMEventName(eventName); + + var wrapper = createWrapper(element, eventName, handler); + if (!wrapper) return element; + + if (element.addEventListener) { + element.addEventListener(name, wrapper, false); + } else { + element.attachEvent("on" + name, wrapper); + } + + return element; + }, + + stopObserving: function(element, eventName, handler) { + element = $(element); + var id = getEventID(element), name = getDOMEventName(eventName); + + if (!handler && eventName) { + getWrappersForEventName(id, eventName).each(function(wrapper) { + element.stopObserving(eventName, wrapper.handler); + }); + return element; + + } else if (!eventName) { + Object.keys(getCacheForID(id)).each(function(eventName) { + element.stopObserving(eventName); + }); + return element; + } + + var wrapper = findWrapper(id, eventName, handler); + if (!wrapper) return element; + + if (element.removeEventListener) { + element.removeEventListener(name, wrapper, false); + } else { + element.detachEvent("on" + name, wrapper); + } + + destroyWrapper(id, eventName, handler); + + return element; + }, + + fire: function(element, eventName, memo) { + element = $(element); + if (element == document && document.createEvent && !element.dispatchEvent) + element = document.documentElement; + + var event; + if (document.createEvent) { + event = document.createEvent("HTMLEvents"); + event.initEvent("dataavailable", true, true); + } else { + event = document.createEventObject(); + event.eventType = "ondataavailable"; + } + + event.eventName = eventName; + event.memo = memo || { }; + + if (document.createEvent) { + element.dispatchEvent(event); + } else { + element.fireEvent(event.eventType, event); + } + + return Event.extend(event); } - }, + }; +})()); - unloadCache: function() { - if (!Event.observers) return; - for (var i = 0; i < Event.observers.length; i++) { - Event.stopObserving.apply(this, Event.observers[i]); - Event.observers[i][0] = null; +Object.extend(Event, Event.Methods); + +Element.addMethods({ + fire: Event.fire, + observe: Event.observe, + stopObserving: Event.stopObserving +}); + +Object.extend(document, { + fire: Element.Methods.fire.methodize(), + observe: Element.Methods.observe.methodize(), + stopObserving: Element.Methods.stopObserving.methodize(), + loaded: false +}); + +(function() { + /* Support for the DOMContentLoaded event is based on work by Dan Webb, + Matthias Miller, Dean Edwards and John Resig. */ + + var timer; + + function fireContentLoadedEvent() { + if (document.loaded) return; + if (timer) window.clearInterval(timer); + document.fire("dom:loaded"); + document.loaded = true; + } + + if (document.addEventListener) { + if (Prototype.Browser.WebKit) { + timer = window.setInterval(function() { + if (/loaded|complete/.test(document.readyState)) + fireContentLoadedEvent(); + }, 0); + + Event.observe(window, "load", fireContentLoadedEvent); + + } else { + document.addEventListener("DOMContentLoaded", + fireContentLoadedEvent, false); } - Event.observers = false; - }, - observe: function(element, name, observer, useCapture) { - var element = $(element); - useCapture = useCapture || false; + } else { + document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); + $("__onDOMContentLoaded").onreadystatechange = function() { + if (this.readyState == "complete") { + this.onreadystatechange = null; + fireContentLoadedEvent(); + } + }; + } +})(); +/*------------------------------- DEPRECATED -------------------------------*/ - if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.attachEvent)) - name = 'keydown'; +Hash.toQueryString = Object.toQueryString; - this._observeAndCache(element, name, observer, useCapture); +var Toggle = { display: Element.toggle }; + +Element.Methods.childOf = Element.Methods.descendantOf; + +var Insertion = { + Before: function(element, content) { + return Element.insert(element, {before:content}); }, - stopObserving: function(element, name, observer, useCapture) { - var element = $(element); - useCapture = useCapture || false; + Top: function(element, content) { + return Element.insert(element, {top:content}); + }, - if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.detachEvent)) - name = 'keydown'; + Bottom: function(element, content) { + return Element.insert(element, {bottom:content}); + }, - if (element.removeEventListener) { - element.removeEventListener(name, observer, useCapture); - } else if (element.detachEvent) { - element.detachEvent('on' + name, observer); - } + After: function(element, content) { + return Element.insert(element, {after:content}); } -}); +}; -/* prevent memory leaks in IE */ -if (navigator.appVersion.match(/\bMSIE\b/)) - Event.observe(window, 'unload', Event.unloadCache, false); +var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); + +// This should be moved to script.aculo.us; notice the deprecated methods +// further below, that map to the newer Element methods. var Position = { // set to true if needed, warning: firefox performance problems // NOT neeeded for page scrolling, only if draggable contained in @@ -1792,58 +4080,13 @@ || 0; }, - realOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.scrollTop || 0; - valueL += element.scrollLeft || 0; - element = element.parentNode; - } while (element); - return [valueL, valueT]; - }, - - cumulativeOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - } while (element); - return [valueL, valueT]; - }, - - positionedOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - if (element) { - p = Element.getStyle(element, 'position'); - if (p == 'relative' || p == 'absolute') break; - } - } while (element); - return [valueL, valueT]; - }, - - offsetParent: function(element) { - if (element.offsetParent) return element.offsetParent; - if (element == document.body) return element; - - while ((element = element.parentNode) && element != document.body) - if (Element.getStyle(element, 'position') != 'static') - return element; - - return document.body; - }, - // caches x/y coordinate pair to use with overlap within: function(element, x, y) { if (this.includeScrollOffsets) return this.withinIncludingScrolloffsets(element, x, y); this.xcomp = x; this.ycomp = y; - this.offset = this.cumulativeOffset(element); + this.offset = Element.cumulativeOffset(element); return (y >= this.offset[1] && y < this.offset[1] + element.offsetHeight && @@ -1852,11 +4095,11 @@ }, withinIncludingScrolloffsets: function(element, x, y) { - var offsetcache = this.realOffset(element); + var offsetcache = Element.cumulativeScrollOffset(element); this.xcomp = x + offsetcache[0] - this.deltaX; this.ycomp = y + offsetcache[1] - this.deltaY; - this.offset = this.cumulativeOffset(element); + this.offset = Element.cumulativeOffset(element); return (this.ycomp >= this.offset[1] && this.ycomp < this.offset[1] + element.offsetHeight && @@ -1875,132 +4118,104 @@ element.offsetWidth; }, - clone: function(source, target) { - source = $(source); - target = $(target); - target.style.position = 'absolute'; - var offsets = this.cumulativeOffset(source); - target.style.top = offsets[1] + 'px'; - target.style.left = offsets[0] + 'px'; - target.style.width = source.offsetWidth + 'px'; - target.style.height = source.offsetHeight + 'px'; + // Deprecation layer -- use newer Element methods now (1.5.2). + + cumulativeOffset: Element.Methods.cumulativeOffset, + + positionedOffset: Element.Methods.positionedOffset, + + absolutize: function(element) { + Position.prepare(); + return Element.absolutize(element); }, - page: function(forElement) { - var valueT = 0, valueL = 0; + relativize: function(element) { + Position.prepare(); + return Element.relativize(element); + }, - var element = forElement; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; + realOffset: Element.Methods.cumulativeScrollOffset, - // Safari fix - if (element.offsetParent==document.body) - if (Element.getStyle(element,'position')=='absolute') break; + offsetParent: Element.Methods.getOffsetParent, - } while (element = element.offsetParent); + page: Element.Methods.viewportOffset, - element = forElement; - do { - valueT -= element.scrollTop || 0; - valueL -= element.scrollLeft || 0; - } while (element = element.parentNode); + clone: function(source, target, options) { + options = options || { }; + return Element.clonePosition(target, source, options); + } +}; - return [valueL, valueT]; - }, +/*--------------------------------------------------------------------------*/ - clone: function(source, target) { - var options = Object.extend({ - setLeft: true, - setTop: true, - setWidth: true, - setHeight: true, - offsetTop: 0, - offsetLeft: 0 - }, arguments[2] || {}) +if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ + function iter(name) { + return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; + } - // find page position of source - source = $(source); - var p = Position.page(source); + instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? + function(element, className) { + className = className.toString().strip(); + var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); + return cond ? document._getElementsByXPath('.//*' + cond, element) : []; + } : function(element, className) { + className = className.toString().strip(); + var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); + if (!classNames && !className) return elements; - // find coordinate system to use - target = $(target); - var delta = [0, 0]; - var parent = null; - // delta [0,0] will do fine with position: fixed elements, - // position:absolute needs offsetParent deltas - if (Element.getStyle(target,'position') == 'absolute') { - parent = Position.offsetParent(target); - delta = Position.page(parent); - } + var nodes = $(element).getElementsByTagName('*'); + className = ' ' + className + ' '; - // correct by body offsets (fixes Safari) - if (parent == document.body) { - delta[0] -= document.body.offsetLeft; - delta[1] -= document.body.offsetTop; + for (var i = 0, child, cn; child = nodes[i]; i++) { + if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || + (classNames && classNames.all(function(name) { + return !name.toString().blank() && cn.include(' ' + name + ' '); + })))) + elements.push(Element.extend(child)); } + return elements; + }; - // set position - if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; - if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; - if(options.setWidth) target.style.width = source.offsetWidth + 'px'; - if(options.setHeight) target.style.height = source.offsetHeight + 'px'; - }, + return function(className, parentElement) { + return $(parentElement || document.body).getElementsByClassName(className); + }; +}(Element.Methods); - absolutize: function(element) { - element = $(element); - if (element.style.position == 'absolute') return; - Position.prepare(); +/*--------------------------------------------------------------------------*/ - var offsets = Position.positionedOffset(element); - var top = offsets[1]; - var left = offsets[0]; - var width = element.clientWidth; - var height = element.clientHeight; +Element.ClassNames = Class.create(); +Element.ClassNames.prototype = { + initialize: function(element) { + this.element = $(element); + }, - element._originalLeft = left - parseFloat(element.style.left || 0); - element._originalTop = top - parseFloat(element.style.top || 0); - element._originalWidth = element.style.width; - element._originalHeight = element.style.height; + _each: function(iterator) { + this.element.className.split(/\s+/).select(function(name) { + return name.length > 0; + })._each(iterator); + }, - element.style.position = 'absolute'; - element.style.top = top + 'px';; - element.style.left = left + 'px';; - element.style.width = width + 'px';; - element.style.height = height + 'px';; + set: function(className) { + this.element.className = className; }, - relativize: function(element) { - element = $(element); - if (element.style.position == 'relative') return; - Position.prepare(); + add: function(classNameToAdd) { + if (this.include(classNameToAdd)) return; + this.set($A(this).concat(classNameToAdd).join(' ')); + }, - element.style.position = 'relative'; - var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); - var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); + remove: function(classNameToRemove) { + if (!this.include(classNameToRemove)) return; + this.set($A(this).without(classNameToRemove).join(' ')); + }, - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.height = element._originalHeight; - element.style.width = element._originalWidth; + toString: function() { + return $A(this).join(' '); } -} +}; -// Safari returns margins on body which is incorrect if the child is absolutely -// positioned. For performance reasons, redefine Position.cumulativeOffset for -// KHTML/WebKit only. -if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { - Position.cumulativeOffset = function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - if (element.offsetParent == document.body) - if (Element.getStyle(element, 'position') == 'absolute') break; +Object.extend(Element.ClassNames.prototype, Enumerable); - element = element.offsetParent; - } while (element); +/*--------------------------------------------------------------------------*/ - return [valueL, valueT]; - } -} \ No newline at end of file +Element.addMethods(); \ No newline at end of file