From b019875819ba6cb266171ceffe9e302bfd083a45 Mon Sep 17 00:00:00 2001 From: Jean-Philippe Lang Date: Sat, 19 Nov 2011 13:27:51 +0000 Subject: [PATCH] Upgrade to Rails 2.3.14 with Prototype 1.7 (#9609). git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7844 e93f8b46-1217-0410-a6f0-8f06a7374b81 --- config/boot.rb | 20 +- config/environment.rb | 2 +- public/javascripts/prototype.js | 5602 +++++++++++-------------------- 3 files changed, 1927 insertions(+), 3697 deletions(-) diff --git a/config/boot.rb b/config/boot.rb index 12bee3d13..6ca837c82 100644 --- a/config/boot.rb +++ b/config/boot.rb @@ -67,8 +67,12 @@ module Rails gem 'rails' end rescue Gem::LoadError => load_error - $stderr.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.) - exit 1 + if load_error.message =~ /Could not find RubyGem rails/ + STDERR.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.) + exit 1 + else + raise + end end class << self @@ -111,17 +115,5 @@ module Rails end end -# TODO: Workaround for #7013 to be removed for 1.2.0 -# Loads i18n 0.4.2 before Rails loads any more recent gem -# 0.5.0 is not compatible with the old interpolation syntax -# Plugins will have to migrate to the new syntax for 1.2.0 -require 'rubygems' -begin - gem 'i18n', '0.4.2' -rescue Gem::LoadError => load_error - $stderr.puts %(Missing the i18n 0.4.2 gem. Please `gem install -v=0.4.2 i18n`) - exit 1 -end - # All that for this: Rails.boot! diff --git a/config/environment.rb b/config/environment.rb index d0e8be900..db21c05df 100644 --- a/config/environment.rb +++ b/config/environment.rb @@ -5,7 +5,7 @@ # ENV['RAILS_ENV'] ||= 'production' # Specifies gem version of Rails to use when vendor/rails is not present -RAILS_GEM_VERSION = '2.3.11' unless defined? RAILS_GEM_VERSION +RAILS_GEM_VERSION = '2.3.14' unless defined? RAILS_GEM_VERSION if RUBY_VERSION >= '1.9' Encoding.default_external = 'UTF-8' diff --git a/public/javascripts/prototype.js b/public/javascripts/prototype.js index db86961e4..dfe8ab4e1 100644 --- a/public/javascripts/prototype.js +++ b/public/javascripts/prototype.js @@ -1,5 +1,5 @@ -/* Prototype JavaScript framework, version 1.7 - * (c) 2005-2010 Sam Stephenson +/* Prototype JavaScript framework, version 1.6.0.3 + * (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://www.prototypejs.org/ @@ -7,53 +7,32 @@ *--------------------------------------------------------------------------*/ var Prototype = { + Version: '1.6.0.3', - Version: '1.7', - - Browser: (function(){ - var ua = navigator.userAgent; - var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]'; - return { - IE: !!window.attachEvent && !isOpera, - Opera: isOpera, - WebKit: ua.indexOf('AppleWebKit/') > -1, - Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1, - MobileSafari: /Apple.*Mobile/.test(ua) - } - })(), + Browser: { + IE: !!(window.attachEvent && + navigator.userAgent.indexOf('Opera') === -1), + Opera: navigator.userAgent.indexOf('Opera') > -1, + 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, - SelectorsAPI: !!document.querySelector, - - ElementExtensions: (function() { - var constructor = window.Element || window.HTMLElement; - return !!(constructor && constructor.prototype); - })(), - SpecificElementExtensions: (function() { - if (typeof window.HTMLDivElement !== 'undefined') - return true; - - var div = document.createElement('div'), - form = document.createElement('form'), - isSupported = false; - - if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) { - isSupported = true; - } - - div = form = null; - - return isSupported; - })() + ElementExtensions: !!window.HTMLElement, + SpecificElementExtensions: + document.createElement('div')['__proto__'] && + document.createElement('div')['__proto__'] !== + document.createElement('form')['__proto__'] }, ScriptFragment: ']*>([\\S\\s]*?)<\/script>', JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, emptyFunction: function() { }, - K: function(x) { return x } }; @@ -61,38 +40,9 @@ if (Prototype.Browser.MobileSafari) Prototype.BrowserFeatures.SpecificElementExtensions = false; -var Abstract = { }; - - -var Try = { - these: function() { - var returnValue; - - for (var i = 0, length = arguments.length; i < length; i++) { - var lambda = arguments[i]; - try { - returnValue = lambda(); - break; - } catch (e) { } - } - - return returnValue; - } -}; - /* Based on Alex Arnell's inheritance implementation. */ - -var Class = (function() { - - var IS_DONTENUM_BUGGY = (function(){ - for (var p in { toString: 1 }) { - if (p === 'toString') return false; - } - return true; - })(); - - function subclass() {}; - function create() { +var Class = { + create: function() { var parent = null, properties = $A(arguments); if (Object.isFunction(properties[0])) parent = properties.shift(); @@ -106,39 +56,39 @@ var Class = (function() { klass.subclasses = []; if (parent) { + var subclass = function() { }; subclass.prototype = parent.prototype; klass.prototype = new subclass; parent.subclasses.push(klass); } - for (var i = 0, length = properties.length; i < length; i++) + for (var i = 0; i < properties.length; i++) klass.addMethods(properties[i]); if (!klass.prototype.initialize) klass.prototype.initialize = Prototype.emptyFunction; klass.prototype.constructor = klass; + return klass; } +}; - function addMethods(source) { - var ancestor = this.superclass && this.superclass.prototype, - properties = Object.keys(source); +Class.Methods = { + addMethods: function(source) { + var ancestor = this.superclass && this.superclass.prototype; + var properties = Object.keys(source); - if (IS_DONTENUM_BUGGY) { - if (source.toString != Object.prototype.toString) - properties.push("toString"); - if (source.valueOf != Object.prototype.valueOf) - properties.push("valueOf"); - } + if (!Object.keys({ toString: true }).length) + properties.push("toString", "valueOf"); for (var i = 0, length = properties.length; i < length; i++) { var property = properties[i], value = source[property]; if (ancestor && Object.isFunction(value) && - value.argumentNames()[0] == "$super") { + value.argumentNames().first() == "$super") { var method = value; value = (function(m) { - return function() { return ancestor[m].apply(this, arguments); }; + return function() { return ancestor[m].apply(this, arguments) }; })(property).wrap(method); value.valueOf = method.valueOf.bind(method); @@ -149,338 +99,198 @@ var Class = (function() { return this; } +}; - return { - create: create, - Methods: { - addMethods: addMethods - } - }; -})(); -(function() { - - var _toString = Object.prototype.toString, - NULL_TYPE = 'Null', - UNDEFINED_TYPE = 'Undefined', - BOOLEAN_TYPE = 'Boolean', - NUMBER_TYPE = 'Number', - STRING_TYPE = 'String', - OBJECT_TYPE = 'Object', - FUNCTION_CLASS = '[object Function]', - BOOLEAN_CLASS = '[object Boolean]', - NUMBER_CLASS = '[object Number]', - STRING_CLASS = '[object String]', - ARRAY_CLASS = '[object Array]', - DATE_CLASS = '[object Date]', - NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON && - typeof JSON.stringify === 'function' && - JSON.stringify(0) === '0' && - typeof JSON.stringify(Prototype.K) === 'undefined'; - - function Type(o) { - switch(o) { - case null: return NULL_TYPE; - case (void 0): return UNDEFINED_TYPE; - } - var type = typeof o; - switch(type) { - case 'boolean': return BOOLEAN_TYPE; - case 'number': return NUMBER_TYPE; - case 'string': return STRING_TYPE; - } - return OBJECT_TYPE; - } +var Abstract = { }; - function extend(destination, source) { - for (var property in source) - destination[property] = source[property]; - return destination; - } +Object.extend = function(destination, source) { + for (var property in source) + destination[property] = source[property]; + return destination; +}; - function inspect(object) { +Object.extend(Object, { + inspect: function(object) { try { - if (isUndefined(object)) return 'undefined'; + 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 toJSON(value) { - return Str('', { '': value }, []); - } - - function Str(key, holder, stack) { - var value = holder[key], - type = typeof value; - - if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') { - value = value.toJSON(key); - } - - var _class = _toString.call(value); - - switch (_class) { - case NUMBER_CLASS: - case BOOLEAN_CLASS: - case STRING_CLASS: - value = value.valueOf(); - } + }, - switch (value) { - case null: return 'null'; - case true: return 'true'; - case false: return 'false'; + toJSON: function(object) { + var type = typeof object; + switch (type) { + case 'undefined': + case 'function': + case 'unknown': return; + case 'boolean': return object.toString(); } - type = typeof value; - switch (type) { - case 'string': - return value.inspect(true); - case 'number': - return isFinite(value) ? String(value) : 'null'; - case 'object': - - for (var i = 0, length = stack.length; i < length; i++) { - if (stack[i] === value) { throw new TypeError(); } - } - stack.push(value); + if (object === null) return 'null'; + if (object.toJSON) return object.toJSON(); + if (Object.isElement(object)) return; - var partial = []; - if (_class === ARRAY_CLASS) { - for (var i = 0, length = value.length; i < length; i++) { - var str = Str(i, value, stack); - partial.push(typeof str === 'undefined' ? 'null' : str); - } - partial = '[' + partial.join(',') + ']'; - } else { - var keys = Object.keys(value); - for (var i = 0, length = keys.length; i < length; i++) { - var key = keys[i], str = Str(key, value, stack); - if (typeof str !== "undefined") { - partial.push(key.inspect(true)+ ':' + str); - } - } - partial = '{' + partial.join(',') + '}'; - } - stack.pop(); - return partial; + var results = []; + for (var property in object) { + var value = Object.toJSON(object[property]); + if (!Object.isUndefined(value)) + results.push(property.toJSON() + ': ' + value); } - } - function stringify(object) { - return JSON.stringify(object); - } + return '{' + results.join(', ') + '}'; + }, - function toQueryString(object) { + toQueryString: function(object) { return $H(object).toQueryString(); - } + }, - function toHTML(object) { + toHTML: function(object) { return object && object.toHTML ? object.toHTML() : String.interpret(object); - } + }, - function keys(object) { - if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); } - var results = []; - for (var property in object) { - if (object.hasOwnProperty(property)) { - results.push(property); - } - } - return results; - } + keys: function(object) { + var keys = []; + for (var property in object) + keys.push(property); + return keys; + }, - function values(object) { - var results = []; + values: function(object) { + var values = []; for (var property in object) - results.push(object[property]); - return results; - } + values.push(object[property]); + return values; + }, - function clone(object) { - return extend({ }, object); - } + clone: function(object) { + return Object.extend({ }, object); + }, - function isElement(object) { + isElement: function(object) { return !!(object && object.nodeType == 1); - } - - function isArray(object) { - return _toString.call(object) === ARRAY_CLASS; - } - - var hasNativeIsArray = (typeof Array.isArray == 'function') - && Array.isArray([]) && !Array.isArray({}); + }, - if (hasNativeIsArray) { - isArray = Array.isArray; - } + isArray: function(object) { + return object != null && typeof object == "object" && + 'splice' in object && 'join' in object; + }, - function isHash(object) { + isHash: function(object) { return object instanceof Hash; - } - - function isFunction(object) { - return _toString.call(object) === FUNCTION_CLASS; - } - - function isString(object) { - return _toString.call(object) === STRING_CLASS; - } - - function isNumber(object) { - return _toString.call(object) === NUMBER_CLASS; - } - - function isDate(object) { - return _toString.call(object) === DATE_CLASS; - } + }, - function isUndefined(object) { - return typeof object === "undefined"; - } + isFunction: function(object) { + return typeof object == "function"; + }, - extend(Object, { - extend: extend, - inspect: inspect, - toJSON: NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON, - toQueryString: toQueryString, - toHTML: toHTML, - keys: Object.keys || keys, - values: values, - clone: clone, - isElement: isElement, - isArray: isArray, - isHash: isHash, - isFunction: isFunction, - isString: isString, - isNumber: isNumber, - isDate: isDate, - isUndefined: isUndefined - }); -})(); -Object.extend(Function.prototype, (function() { - var slice = Array.prototype.slice; + isString: function(object) { + return typeof object == "string"; + }, - function update(array, args) { - var arrayLength = array.length, length = args.length; - while (length--) array[arrayLength + length] = args[length]; - return array; - } + isNumber: function(object) { + return typeof object == "number"; + }, - function merge(array, args) { - array = slice.call(array, 0); - return update(array, args); + isUndefined: function(object) { + return typeof object == "undefined"; } +}); - function argumentNames() { - var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1] - .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '') +Object.extend(Function.prototype, { + argumentNames: function() { + var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1] .replace(/\s+/g, '').split(','); return names.length == 1 && !names[0] ? [] : names; - } + }, - function bind(context) { + bind: function() { if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; - var __method = this, args = slice.call(arguments, 1); + var __method = this, args = $A(arguments), object = args.shift(); return function() { - var a = merge(args, arguments); - return __method.apply(context, a); + return __method.apply(object, args.concat($A(arguments))); } - } + }, - function bindAsEventListener(context) { - var __method = this, args = slice.call(arguments, 1); + bindAsEventListener: function() { + var __method = this, args = $A(arguments), object = args.shift(); return function(event) { - var a = update([event || window.event], args); - return __method.apply(context, a); + return __method.apply(object, [event || window.event].concat(args)); } - } + }, - function curry() { + curry: function() { if (!arguments.length) return this; - var __method = this, args = slice.call(arguments, 0); + var __method = this, args = $A(arguments); return function() { - var a = merge(args, arguments); - return __method.apply(this, a); + return __method.apply(this, args.concat($A(arguments))); } - } + }, - function delay(timeout) { - var __method = this, args = slice.call(arguments, 1); - timeout = timeout * 1000; + delay: function() { + var __method = this, args = $A(arguments), timeout = args.shift() * 1000; return window.setTimeout(function() { return __method.apply(__method, args); }, timeout); - } + }, - function defer() { - var args = update([0.01], arguments); + defer: function() { + var args = [0.01].concat($A(arguments)); return this.delay.apply(this, args); - } + }, - function wrap(wrapper) { + wrap: function(wrapper) { var __method = this; return function() { - var a = update([__method.bind(this)], arguments); - return wrapper.apply(this, a); + return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); } - } + }, - function methodize() { + methodize: function() { if (this._methodized) return this._methodized; var __method = this; return this._methodized = function() { - var a = update([this], arguments); - return __method.apply(null, a); + return __method.apply(null, [this].concat($A(arguments))); }; } +}); - return { - argumentNames: argumentNames, - bind: bind, - bindAsEventListener: bindAsEventListener, - curry: curry, - delay: delay, - defer: defer, - wrap: wrap, - methodize: methodize - } -})()); - - - -(function(proto) { - +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"'; +}; - function toISOString() { - 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, length = arguments.length; i < length; i++) { + var lambda = arguments[i]; + try { + returnValue = lambda(); + break; + } catch (e) { } + } - function toJSON() { - return this.toISOString(); + return returnValue; } - - if (!proto.toISOString) proto.toISOString = toISOString; - if (!proto.toJSON) proto.toJSON = toJSON; - -})(Date.prototype); - +}; RegExp.prototype.match = RegExp.prototype.test; RegExp.escape = function(str) { return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); }; + +/*--------------------------------------------------------------------------*/ + var PeriodicalExecuter = Class.create({ initialize: function(callback, frequency) { this.callback = callback; @@ -509,10 +319,8 @@ var PeriodicalExecuter = Class.create({ try { this.currentlyExecuting = true; this.execute(); + } finally { this.currentlyExecuting = false; - } catch(e) { - this.currentlyExecuting = false; - throw e; } } } @@ -531,28 +339,10 @@ Object.extend(String, { } }); -Object.extend(String.prototype, (function() { - var NATIVE_JSON_PARSE_SUPPORT = window.JSON && - typeof JSON.parse === 'function' && - JSON.parse('{"test": true}').test; - - function prepareReplacement(replacement) { - if (Object.isFunction(replacement)) return replacement; - var template = new Template(replacement); - return function(match) { return template.evaluate(match) }; - } - - function gsub(pattern, replacement) { +Object.extend(String.prototype, { + gsub: function(pattern, replacement) { var result = '', source = this, match; - replacement = prepareReplacement(replacement); - - if (Object.isString(pattern)) - pattern = RegExp.escape(pattern); - - if (!(pattern.length || pattern.source)) { - replacement = replacement(''); - return replacement + source.split('').join(replacement) + replacement; - } + replacement = arguments.callee.prepareReplacement(replacement); while (source.length > 0) { if (match = source.match(pattern)) { @@ -564,72 +354,76 @@ Object.extend(String.prototype, (function() { } } return result; - } + }, - function sub(pattern, replacement, count) { - replacement = prepareReplacement(replacement); + sub: function(pattern, replacement, count) { + replacement = this.gsub.prepareReplacement(replacement); count = Object.isUndefined(count) ? 1 : count; return this.gsub(pattern, function(match) { if (--count < 0) return match[0]; return replacement(match); }); - } + }, - function scan(pattern, iterator) { + scan: function(pattern, iterator) { this.gsub(pattern, iterator); return String(this); - } + }, - function truncate(length, truncation) { + truncate: function(length, truncation) { length = length || 30; truncation = Object.isUndefined(truncation) ? '...' : truncation; return this.length > length ? this.slice(0, length - truncation.length) + truncation : String(this); - } + }, - function strip() { + strip: function() { return this.replace(/^\s+/, '').replace(/\s+$/, ''); - } + }, - function stripTags() { - return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, ''); - } + stripTags: function() { + return this.replace(/<\/?[^>]+>/gi, ''); + }, - function stripScripts() { + stripScripts: function() { return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); - } + }, - function extractScripts() { - var matchAll = new RegExp(Prototype.ScriptFragment, 'img'), - matchOne = new RegExp(Prototype.ScriptFragment, 'im'); + extractScripts: function() { + var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); + var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); return (this.match(matchAll) || []).map(function(scriptTag) { return (scriptTag.match(matchOne) || ['', ''])[1]; }); - } + }, - function evalScripts() { + evalScripts: function() { return this.extractScripts().map(function(script) { return eval(script) }); - } - - function escapeHTML() { - return this.replace(/&/g,'&').replace(//g,'>'); - } + }, - function unescapeHTML() { - return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); - } + escapeHTML: function() { + var self = arguments.callee; + self.text.data = this; + return self.div.innerHTML; + }, + unescapeHTML: function() { + var div = new Element('div'); + div.innerHTML = this.stripTags(); + return div.childNodes[0] ? (div.childNodes.length > 1 ? + $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : + div.childNodes[0].nodeValue) : ''; + }, - function toQueryParams(separator) { + toQueryParams: function(separator) { var match = this.strip().match(/([^?#]*)(#.*)?$/); if (!match) return { }; return match[1].split(separator || '&').inject({ }, function(hash, pair) { if ((pair = pair.split('='))[0]) { - var key = decodeURIComponent(pair.shift()), - value = pair.length > 1 ? pair.join('=') : pair[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) { @@ -640,144 +434,128 @@ Object.extend(String.prototype, (function() { } return hash; }); - } + }, - function toArray() { + toArray: function() { return this.split(''); - } + }, - function succ() { + succ: function() { return this.slice(0, this.length - 1) + String.fromCharCode(this.charCodeAt(this.length - 1) + 1); - } + }, - function times(count) { + times: function(count) { return count < 1 ? '' : new Array(count + 1).join(this); - } + }, - function camelize() { - return this.replace(/-+(.)?/g, function(match, chr) { - return chr ? chr.toUpperCase() : ''; - }); - } + camelize: function() { + var parts = this.split('-'), len = parts.length; + if (len == 1) return parts[0]; - function capitalize() { + var camelized = this.charAt(0) == '-' + ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) + : parts[0]; + + for (var i = 1; i < len; i++) + camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); + + return camelized; + }, + + capitalize: function() { return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); - } + }, - function underscore() { - return this.replace(/::/g, '/') - .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2') - .replace(/([a-z\d])([A-Z])/g, '$1_$2') - .replace(/-/g, '_') - .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(); + }, - function dasherize() { - return this.replace(/_/g, '-'); - } + dasherize: function() { + return this.gsub(/_/,'-'); + }, - function inspect(useDoubleQuotes) { - var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) { - if (character in String.specialChar) { - return String.specialChar[character]; - } - return '\\u00' + character.charCodeAt().toPaddedString(2, 16); + 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, '\\\'') + "'"; - } + }, - function unfilterJSON(filter) { - return this.replace(filter || Prototype.JSONFilter, '$1'); - } + toJSON: function() { + return this.inspect(true); + }, + + unfilterJSON: function(filter) { + return this.sub(filter || Prototype.JSONFilter, '#{1}'); + }, - function isJSON() { + isJSON: function() { var str = this; if (str.blank()) return false; - str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@'); - str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'); - str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, ''); - return (/^[\],:{}\s]*$/).test(str); - } + str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); + return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); + }, - function evalJSON(sanitize) { - var json = this.unfilterJSON(), - cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g; - if (cx.test(json)) { - json = json.replace(cx, function (a) { - return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); - }); - } + evalJSON: function(sanitize) { + var json = this.unfilterJSON(); try { if (!sanitize || json.isJSON()) return eval('(' + json + ')'); } catch (e) { } throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); - } - - function parseJSON() { - var json = this.unfilterJSON(); - return JSON.parse(json); - } + }, - function include(pattern) { + include: function(pattern) { return this.indexOf(pattern) > -1; - } + }, - function startsWith(pattern) { - return this.lastIndexOf(pattern, 0) === 0; - } + startsWith: function(pattern) { + return this.indexOf(pattern) === 0; + }, - function endsWith(pattern) { + endsWith: function(pattern) { var d = this.length - pattern.length; - return d >= 0 && this.indexOf(pattern, d) === d; - } + return d >= 0 && this.lastIndexOf(pattern) === d; + }, - function empty() { + empty: function() { return this == ''; - } + }, - function blank() { + blank: function() { return /^\s*$/.test(this); - } + }, - function interpolate(object, pattern) { + interpolate: function(object, pattern) { return new Template(this, pattern).evaluate(object); } +}); - return { - gsub: gsub, - sub: sub, - scan: scan, - truncate: truncate, - strip: String.prototype.trim || strip, - stripTags: stripTags, - stripScripts: stripScripts, - extractScripts: extractScripts, - evalScripts: evalScripts, - escapeHTML: escapeHTML, - unescapeHTML: unescapeHTML, - toQueryParams: toQueryParams, - parseQuery: toQueryParams, - toArray: toArray, - succ: succ, - times: times, - camelize: camelize, - capitalize: capitalize, - underscore: underscore, - dasherize: dasherize, - inspect: inspect, - unfilterJSON: unfilterJSON, - isJSON: isJSON, - evalJSON: NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON, - include: include, - startsWith: startsWith, - endsWith: endsWith, - empty: empty, - blank: blank, - interpolate: interpolate - }; -})()); +if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { + escapeHTML: function() { + return this.replace(/&/g,'&').replace(//g,'>'); + }, + unescapeHTML: function() { + return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); + } +}); + +String.prototype.gsub.prepareReplacement = function(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; + +Object.extend(String.prototype.escapeHTML, { + div: document.createElement('div'), + text: document.createTextNode('') +}); + +String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text); var Template = Class.create({ initialize: function(template, pattern) { @@ -786,23 +564,22 @@ var Template = Class.create({ }, evaluate: function(object) { - if (object && Object.isFunction(object.toTemplateReplacements)) + if (Object.isFunction(object.toTemplateReplacements)) object = object.toTemplateReplacements(); return this.template.gsub(this.pattern, function(match) { - if (object == null) return (match[1] + ''); + if (object == null) return ''; var before = match[1] || ''; if (before == '\\') return match[2]; - var ctx = object, expr = match[3], - pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; - + 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].replace(/\\\\]/g, ']') : match[1]; + 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); @@ -817,8 +594,8 @@ Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; var $break = { }; -var Enumerable = (function() { - function each(iterator, context) { +var Enumerable = { + each: function(iterator, context) { var index = 0; try { this._each(function(value) { @@ -828,17 +605,17 @@ var Enumerable = (function() { if (e != $break) throw e; } return this; - } + }, - function eachSlice(number, iterator, context) { + eachSlice: function(number, iterator, context) { var index = -number, slices = [], array = this.toArray(); if (number < 1) return array; while ((index += number) < array.length) slices.push(array.slice(index, index+number)); return slices.collect(iterator, context); - } + }, - function all(iterator, context) { + all: function(iterator, context) { iterator = iterator || Prototype.K; var result = true; this.each(function(value, index) { @@ -846,9 +623,9 @@ var Enumerable = (function() { if (!result) throw $break; }); return result; - } + }, - function any(iterator, context) { + any: function(iterator, context) { iterator = iterator || Prototype.K; var result = false; this.each(function(value, index) { @@ -856,18 +633,18 @@ var Enumerable = (function() { throw $break; }); return result; - } + }, - function collect(iterator, context) { + collect: function(iterator, context) { iterator = iterator || Prototype.K; var results = []; this.each(function(value, index) { results.push(iterator.call(context, value, index)); }); return results; - } + }, - function detect(iterator, context) { + detect: function(iterator, context) { var result; this.each(function(value, index) { if (iterator.call(context, value, index)) { @@ -876,32 +653,32 @@ var Enumerable = (function() { } }); return result; - } + }, - function findAll(iterator, context) { + findAll: function(iterator, context) { var results = []; this.each(function(value, index) { if (iterator.call(context, value, index)) results.push(value); }); return results; - } + }, - function grep(filter, iterator, context) { + grep: function(filter, iterator, context) { iterator = iterator || Prototype.K; var results = []; if (Object.isString(filter)) - filter = new RegExp(RegExp.escape(filter)); + filter = new RegExp(filter); this.each(function(value, index) { if (filter.match(value)) results.push(iterator.call(context, value, index)); }); return results; - } + }, - function include(object) { + include: function(object) { if (Object.isFunction(this.indexOf)) if (this.indexOf(object) != -1) return true; @@ -913,31 +690,31 @@ var Enumerable = (function() { } }); return found; - } + }, - function inGroupsOf(number, fillWith) { + 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; }); - } + }, - function inject(memo, iterator, context) { + inject: function(memo, iterator, context) { this.each(function(value, index) { memo = iterator.call(context, memo, value, index); }); return memo; - } + }, - function invoke(method) { + invoke: function(method) { var args = $A(arguments).slice(1); return this.map(function(value) { return value[method].apply(value, args); }); - } + }, - function max(iterator, context) { + max: function(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { @@ -946,9 +723,9 @@ var Enumerable = (function() { result = value; }); return result; - } + }, - function min(iterator, context) { + min: function(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { @@ -957,9 +734,9 @@ var Enumerable = (function() { result = value; }); return result; - } + }, - function partition(iterator, context) { + partition: function(iterator, context) { iterator = iterator || Prototype.K; var trues = [], falses = []; this.each(function(value, index) { @@ -967,26 +744,26 @@ var Enumerable = (function() { trues : falses).push(value); }); return [trues, falses]; - } + }, - function pluck(property) { + pluck: function(property) { var results = []; this.each(function(value) { results.push(value[property]); }); return results; - } + }, - function reject(iterator, context) { + reject: function(iterator, context) { var results = []; this.each(function(value, index) { if (!iterator.call(context, value, index)) results.push(value); }); return results; - } + }, - function sortBy(iterator, context) { + sortBy: function(iterator, context) { return this.map(function(value, index) { return { value: value, @@ -996,13 +773,13 @@ var Enumerable = (function() { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }).pluck('value'); - } + }, - function toArray() { + toArray: function() { return this.map(); - } + }, - function zip() { + zip: function() { var iterator = Prototype.K, args = $A(arguments); if (Object.isFunction(args.last())) iterator = args.pop(); @@ -1011,416 +788,336 @@ var Enumerable = (function() { return this.map(function(value, index) { return iterator(collections.pluck(index)); }); - } + }, - function size() { + size: function() { return this.toArray().length; - } + }, - function inspect() { + inspect: function() { return '#'; } +}; - - - - - - - - - return { - each: each, - eachSlice: eachSlice, - all: all, - every: all, - any: any, - some: any, - collect: collect, - map: collect, - detect: detect, - findAll: findAll, - select: findAll, - filter: findAll, - grep: grep, - include: include, - member: include, - inGroupsOf: inGroupsOf, - inject: inject, - invoke: invoke, - max: max, - min: min, - partition: partition, - pluck: pluck, - reject: reject, - sortBy: sortBy, - toArray: toArray, - entries: toArray, - zip: zip, - size: size, - inspect: inspect, - find: detect - }; -})(); - +Object.extend(Enumerable, { + map: Enumerable.collect, + find: Enumerable.detect, + select: Enumerable.findAll, + filter: Enumerable.findAll, + member: Enumerable.include, + entries: Enumerable.toArray, + every: Enumerable.all, + some: Enumerable.any +}); function $A(iterable) { if (!iterable) return []; - if ('toArray' in Object(iterable)) return iterable.toArray(); + if (iterable.toArray) return iterable.toArray(); var length = iterable.length || 0, results = new Array(length); while (length--) results[length] = iterable[length]; return results; } - -function $w(string) { - if (!Object.isString(string)) return []; - string = string.strip(); - return string ? string.split(/\s+/) : []; +if (Prototype.Browser.WebKit) { + $A = function(iterable) { + if (!iterable) return []; + // In Safari, only use the `toArray` method if it's not a NodeList. + // A NodeList is a function, has an function `item` property, and a numeric + // `length` property. Adapted from Google Doctype. + if (!(typeof iterable === 'function' && typeof iterable.length === + 'number' && typeof iterable.item === 'function') && 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); -(function() { - var arrayProto = Array.prototype, - slice = arrayProto.slice, - _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available +if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; - function each(iterator, context) { - for (var i = 0, length = this.length >>> 0; i < length; i++) { - if (i in this) iterator.call(context, this[i], i, this); - } - } - if (!_each) _each = each; +Object.extend(Array.prototype, { + _each: function(iterator) { + for (var i = 0, length = this.length; i < length; i++) + iterator(this[i]); + }, - function clear() { + clear: function() { this.length = 0; return this; - } + }, - function first() { + first: function() { return this[0]; - } + }, - function last() { + last: function() { return this[this.length - 1]; - } + }, - function compact() { + compact: function() { return this.select(function(value) { return value != null; }); - } + }, - function flatten() { + flatten: function() { return this.inject([], function(array, value) { - if (Object.isArray(value)) - return array.concat(value.flatten()); - array.push(value); - return array; + return array.concat(Object.isArray(value) ? + value.flatten() : [value]); }); - } + }, - function without() { - var values = slice.call(arguments, 0); + without: function() { + var values = $A(arguments); return this.select(function(value) { return !values.include(value); }); - } + }, - function reverse(inline) { - return (inline === false ? this.toArray() : this)._reverse(); - } + reverse: function(inline) { + return (inline !== false ? this : this.toArray())._reverse(); + }, + + reduce: function() { + return this.length > 1 ? this : this[0]; + }, - function uniq(sorted) { + 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; }); - } + }, - function intersect(array) { + intersect: function(array) { return this.uniq().findAll(function(item) { return array.detect(function(value) { return item === value }); }); - } - + }, - function clone() { - return slice.call(this, 0); - } + clone: function() { + return [].concat(this); + }, - function size() { + size: function() { return this.length; - } + }, - function inspect() { + inspect: function() { return '[' + this.map(Object.inspect).join(', ') + ']'; - } + }, - function indexOf(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; + toJSON: function() { + var results = []; + this.each(function(object) { + var value = Object.toJSON(object); + if (!Object.isUndefined(value)) results.push(value); + }); + return '[' + results.join(', ') + ']'; } +}); - function lastIndexOf(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; - } +// 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+/) : []; +} - function concat() { - var array = slice.call(this, 0), item; +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++) { - item = arguments[i]; - if (Object.isArray(item) && !('callee' in item)) { - for (var j = 0, arrayLength = item.length; j < arrayLength; j++) - array.push(item[j]); + if (Object.isArray(arguments[i])) { + for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) + array.push(arguments[i][j]); } else { - array.push(item); + array.push(arguments[i]); } } return array; - } + }; +} +Object.extend(Number.prototype, { + toColorPart: function() { + return this.toPaddedString(2, 16); + }, - Object.extend(arrayProto, Enumerable); - - if (!arrayProto._reverse) - arrayProto._reverse = arrayProto.reverse; - - Object.extend(arrayProto, { - _each: _each, - clear: clear, - first: first, - last: last, - compact: compact, - flatten: flatten, - without: without, - reverse: reverse, - uniq: uniq, - intersect: intersect, - clone: clone, - toArray: clone, - size: size, - inspect: inspect - }); + succ: function() { + return this + 1; + }, + + times: function(iterator, context) { + $R(0, this, true).each(iterator, context); + return this; + }, - var CONCAT_ARGUMENTS_BUGGY = (function() { - return [].concat(arguments)[0][0] !== 1; - })(1,2) + toPaddedString: function(length, radix) { + var string = this.toString(radix || 10); + return '0'.times(length - string.length) + string; + }, - if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat; + toJSON: function() { + return isFinite(this) ? this.toString() : 'null'; + } +}); - if (!arrayProto.indexOf) arrayProto.indexOf = indexOf; - if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf; -})(); +$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 initialize(object) { - this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); - } - - function _each(iterator) { - for (var key in this._object) { - var value = this._object[key], pair = [key, value]; - pair.key = key; - pair.value = value; - iterator(pair); - } + function toQueryPair(key, value) { + if (Object.isUndefined(value)) return key; + return key + '=' + encodeURIComponent(String.interpret(value)); } - function set(key, value) { - return this._object[key] = value; - } + return { + initialize: function(object) { + this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); + }, - function get(key) { - if (this._object[key] !== Object.prototype[key]) - return this._object[key]; - } + _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); + } + }, - function unset(key) { - var value = this._object[key]; - delete this._object[key]; - return value; - } + set: function(key, value) { + return this._object[key] = value; + }, - function toObject() { - return Object.clone(this._object); - } + get: function(key) { + // simulating poorly supported hasOwnProperty + if (this._object[key] !== Object.prototype[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); + }, - function keys() { - return this.pluck('key'); - } + keys: function() { + return this.pluck('key'); + }, - function values() { - return this.pluck('value'); - } + values: function() { + return this.pluck('value'); + }, - function index(value) { - var match = this.detect(function(pair) { - return pair.value === value; - }); - return match && match.key; - } + index: function(value) { + var match = this.detect(function(pair) { + return pair.value === value; + }); + return match && match.key; + }, - function merge(object) { - return this.clone().update(object); - } + merge: function(object) { + return this.clone().update(object); + }, - function update(object) { - return new Hash(object).inject(this, function(result, pair) { - result.set(pair.key, pair.value); - return result; - }); - } + update: function(object) { + return new Hash(object).inject(this, function(result, pair) { + result.set(pair.key, pair.value); + return result; + }); + }, - function toQueryPair(key, value) { - if (Object.isUndefined(value)) return key; - return key + '=' + encodeURIComponent(String.interpret(value)); - } + toQueryString: function() { + return this.inject([], function(results, pair) { + var key = encodeURIComponent(pair.key), values = pair.value; - function toQueryString() { - return this.inject([], function(results, pair) { - var key = encodeURIComponent(pair.key), values = pair.value; + if (values && typeof values == 'object') { + if (Object.isArray(values)) + return results.concat(values.map(toQueryPair.curry(key))); + } else results.push(toQueryPair(key, values)); + return results; + }).join('&'); + }, - if (values && typeof values == 'object') { - if (Object.isArray(values)) { - var queryValues = []; - for (var i = 0, len = values.length, value; i < len; i++) { - value = values[i]; - queryValues.push(toQueryPair(key, value)); - } - return results.concat(queryValues); - } - } else results.push(toQueryPair(key, values)); - return results; - }).join('&'); - } + inspect: function() { + return '#'; + }, - function inspect() { - return '#'; - } + toJSON: function() { + return Object.toJSON(this.toObject()); + }, - function clone() { - return new Hash(this); + clone: function() { + return new Hash(this); + } } - - return { - initialize: initialize, - _each: _each, - set: set, - get: get, - unset: unset, - toObject: toObject, - toTemplateReplacements: toObject, - keys: keys, - values: values, - index: index, - merge: merge, - update: update, - toQueryString: toQueryString, - inspect: inspect, - toJSON: toObject, - clone: clone - }; })()); +Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; Hash.from = $H; -Object.extend(Number.prototype, (function() { - function toColorPart() { - return this.toPaddedString(2, 16); - } - - function succ() { - return this + 1; - } - - function times(iterator, context) { - $R(0, this, true).each(iterator, context); - return this; - } - - function toPaddedString(length, radix) { - var string = this.toString(radix || 10); - return '0'.times(length - string.length) + string; - } - - function abs() { - return Math.abs(this); - } - - function round() { - return Math.round(this); - } - - function ceil() { - return Math.ceil(this); - } - - function floor() { - return Math.floor(this); - } - - return { - toColorPart: toColorPart, - succ: succ, - times: times, - toPaddedString: toPaddedString, - abs: abs, - round: round, - ceil: ceil, - floor: floor - }; -})()); - -function $R(start, end, exclusive) { - return new ObjectRange(start, end, exclusive); -} - -var ObjectRange = Class.create(Enumerable, (function() { - function initialize(start, end, exclusive) { +var ObjectRange = Class.create(Enumerable, { + initialize: function(start, end, exclusive) { this.start = start; this.end = end; this.exclusive = exclusive; - } + }, - function _each(iterator) { + _each: function(iterator) { var value = this.start; while (this.include(value)) { iterator(value); value = value.succ(); } - } + }, - function include(value) { + include: function(value) { if (value < this.start) return false; if (this.exclusive) return value < this.end; return value <= this.end; } +}); - return { - initialize: initialize, - _each: _each, - include: include - }; -})()); - - +var $R = function(start, end, exclusive) { + return new ObjectRange(start, end, exclusive); +}; var Ajax = { getTransport: function() { @@ -1467,6 +1164,7 @@ Ajax.Responders.register({ onCreate: function() { Ajax.activeRequestCount++ }, onComplete: function() { Ajax.activeRequestCount-- } }); + Ajax.Base = Class.create({ initialize: function(options) { this.options = { @@ -1482,10 +1180,13 @@ Ajax.Base = Class.create({ this.options.method = this.options.method.toLowerCase(); - if (Object.isHash(this.options.parameters)) + 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.Base, { _complete: false, @@ -1498,20 +1199,23 @@ Ajax.Request = Class.create(Ajax.Base, { request: function(url) { this.url = url; this.method = this.options.method; - var params = Object.isString(this.options.parameters) ? - this.options.parameters : - Object.toQueryString(this.options.parameters); + var params = Object.clone(this.options.parameters); if (!['get', 'post'].include(this.method)) { - params += (params ? '&' : '') + "_method=" + this.method; + // simulate other verbs over post + params['_method'] = this.method; this.method = 'post'; } - if (params && this.method === 'get') { - this.url += (this.url.include('?') ? '&' : '?') + params; - } + this.parameters = params; - this.parameters = params.toQueryParams(); + 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 { var response = new Ajax.Response(this); @@ -1565,6 +1269,7 @@ Ajax.Request = Class.create(Ajax.Base, { headers['Connection'] = 'close'; } + // user-defined headers if (typeof this.options.requestHeaders == 'object') { var extras = this.options.requestHeaders; @@ -1581,12 +1286,11 @@ Ajax.Request = Class.create(Ajax.Base, { success: function() { var status = this.getStatus(); - return !status || (status >= 200 && status < 300) || status == 304; + return !status || (status >= 200 && status < 300); }, getStatus: function() { try { - if (this.transport.status === 1223) return 204; return this.transport.status || 0; } catch (e) { return 0 } }, @@ -1619,6 +1323,7 @@ Ajax.Request = Class.create(Ajax.Base, { } if (state == 'Complete') { + // avoid memory leak in MSIE: clean up this.transport.onreadystatechange = Prototype.emptyFunction; } }, @@ -1635,7 +1340,7 @@ Ajax.Request = Class.create(Ajax.Base, { getHeader: function(name) { try { return this.transport.getResponseHeader(name) || null; - } catch (e) { return null; } + } catch (e) { return null } }, evalResponse: function() { @@ -1655,27 +1360,20 @@ Ajax.Request = Class.create(Ajax.Base, { Ajax.Request.Events = ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; - - - - - - - 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) { + 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) { + if(readyState == 4) { var xml = transport.responseXML; this.responseXML = Object.isUndefined(xml) ? null : xml; this.responseJSON = this._getResponseJSON(); @@ -1683,7 +1381,6 @@ Ajax.Response = Class.create({ }, status: 0, - statusText: '', getStatus: Ajax.Request.prototype.getStatus, @@ -1813,8 +1510,6 @@ Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { this.updater = new Ajax.Updater(this.container, this.url, this.options); } }); - - function $(element) { if (arguments.length > 1) { for (var i = 0, elements = [], length = arguments.length; i < length; i++) @@ -1839,9 +1534,10 @@ if (Prototype.BrowserFeatures.XPath) { /*--------------------------------------------------------------------------*/ -if (!Node) var Node = { }; +if (!window.Node) var Node = { }; if (!Node.ELEMENT_NODE) { + // DOM level 2 ECMAScript Language Binding Object.extend(Node, { ELEMENT_NODE: 1, ATTRIBUTE_NODE: 2, @@ -1858,63 +1554,26 @@ if (!Node.ELEMENT_NODE) { }); } - - -(function(global) { - function shouldUseCache(tagName, attributes) { - if (tagName === 'select') return false; - if ('type' in attributes) return false; - return true; - } - - var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){ - try { - var el = document.createElement(''); - return el.tagName.toLowerCase() === 'input' && el.name === 'x'; - } - catch(err) { - return false; - } - })(); - - var element = global.Element; - - global.Element = function(tagName, attributes) { +(function() { + var element = this.Element; + this.Element = function(tagName, attributes) { attributes = attributes || { }; tagName = tagName.toLowerCase(); var cache = Element.cache; - - if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) { + 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)); - - var node = shouldUseCache(tagName, attributes) ? - cache[tagName].cloneNode(false) : document.createElement(tagName); - - return Element.writeAttribute(node, attributes); + return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); }; + Object.extend(this.Element, element || { }); + if (element) this.Element.prototype = element.prototype; +}).call(window); - Object.extend(global.Element, element || { }); - if (element) global.Element.prototype = element.prototype; - -})(this); - -Element.idCounter = 1; Element.cache = { }; -Element._purgeElement = function(element) { - var uid = element._prototypeUID; - if (uid) { - Element.stopObserving(element); - element._prototypeUID = void 0; - delete Element.Storage[uid]; - } -} - Element.Methods = { visible: function(element) { return $(element).style.display != 'none'; @@ -1944,116 +1603,15 @@ Element.Methods = { return element; }, - update: (function(){ - - var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){ - var el = document.createElement("select"), - isBuggy = true; - el.innerHTML = ""; - if (el.options && el.options[0]) { - isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION"; - } - el = null; - return isBuggy; - })(); - - var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){ - try { - var el = document.createElement("table"); - if (el && el.tBodies) { - el.innerHTML = "test"; - var isBuggy = typeof el.tBodies[0] == "undefined"; - el = null; - return isBuggy; - } - } catch (e) { - return true; - } - })(); - - var LINK_ELEMENT_INNERHTML_BUGGY = (function() { - try { - var el = document.createElement('div'); - el.innerHTML = ""; - var isBuggy = (el.childNodes.length === 0); - el = null; - return isBuggy; - } catch(e) { - return true; - } - })(); - - var ANY_INNERHTML_BUGGY = SELECT_ELEMENT_INNERHTML_BUGGY || - TABLE_ELEMENT_INNERHTML_BUGGY || LINK_ELEMENT_INNERHTML_BUGGY; - - var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () { - var s = document.createElement("script"), - isBuggy = false; - try { - s.appendChild(document.createTextNode("")); - isBuggy = !s.firstChild || - s.firstChild && s.firstChild.nodeType !== 3; - } catch (e) { - isBuggy = true; - } - s = null; - return isBuggy; - })(); - - - function update(element, content) { - element = $(element); - var purgeElement = Element._purgeElement; - - var descendants = element.getElementsByTagName('*'), - i = descendants.length; - while (i--) purgeElement(descendants[i]); - - 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 === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) { - element.text = content; - return element; - } - - if (ANY_INNERHTML_BUGGY) { - if (tagName in Element._insertionTranslations.tags) { - while (element.firstChild) { - element.removeChild(element.firstChild); - } - Element._getContentFromAnonymousElement(tagName, content.stripScripts()) - .each(function(node) { - element.appendChild(node) - }); - } else if (LINK_ELEMENT_INNERHTML_BUGGY && Object.isString(content) && content.indexOf(' -1) { - while (element.firstChild) { - element.removeChild(element.firstChild); - } - var nodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts(), true); - nodes.each(function(node) { element.appendChild(node) }); - } - else { - element.innerHTML = content.stripScripts(); - } - } - else { - element.innerHTML = content.stripScripts(); - } - - content.evalScripts.bind(content).defer(); - return element; - } - - return update; - })(), + 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, content) { element = $(element); @@ -2121,35 +1679,28 @@ Element.Methods = { element = $(element); var result = '<' + element.tagName.toLowerCase(); $H({'id': 'id', 'className': 'class'}).each(function(pair) { - var property = pair.first(), - attribute = pair.last(), - value = (element[property] || '').toString(); + 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, maximumLength) { + recursivelyCollect: function(element, property) { element = $(element); - maximumLength = maximumLength || -1; var elements = []; - - while (element = element[property]) { + while (element = element[property]) if (element.nodeType == 1) elements.push(Element.extend(element)); - if (elements.length == maximumLength) - break; - } - return elements; }, ancestors: function(element) { - return Element.recursivelyCollect(element, 'parentNode'); + return $(element).recursivelyCollect('parentNode'); }, descendants: function(element) { - return Element.select(element, "*"); + return $(element).select("*"); }, firstDescendant: function(element) { @@ -2159,96 +1710,78 @@ Element.Methods = { }, immediateDescendants: function(element) { - var results = [], child = $(element).firstChild; - while (child) { - if (child.nodeType === 1) { - results.push(Element.extend(child)); - } - child = child.nextSibling; - } - return results; + if (!(element = $(element).firstChild)) return []; + while (element && element.nodeType != 1) element = element.nextSibling; + if (element) return [element].concat($(element).nextSiblings()); + return []; }, - previousSiblings: function(element, maximumLength) { - return Element.recursivelyCollect(element, 'previousSibling'); + previousSiblings: function(element) { + return $(element).recursivelyCollect('previousSibling'); }, nextSiblings: function(element) { - return Element.recursivelyCollect(element, 'nextSibling'); + return $(element).recursivelyCollect('nextSibling'); }, siblings: function(element) { element = $(element); - return Element.previousSiblings(element).reverse() - .concat(Element.nextSiblings(element)); + return element.previousSiblings().reverse().concat(element.nextSiblings()); }, match: function(element, selector) { - element = $(element); if (Object.isString(selector)) - return Prototype.Selector.match(element, selector); - return selector.match(element); + selector = new Selector(selector); + return selector.match($(element)); }, up: function(element, expression, index) { element = $(element); if (arguments.length == 1) return $(element.parentNode); - var ancestors = Element.ancestors(element); + var ancestors = element.ancestors(); return Object.isNumber(expression) ? ancestors[expression] : - Prototype.Selector.find(ancestors, expression, index); + Selector.findElement(ancestors, expression, index); }, down: function(element, expression, index) { element = $(element); - if (arguments.length == 1) return Element.firstDescendant(element); - return Object.isNumber(expression) ? Element.descendants(element)[expression] : + if (arguments.length == 1) return element.firstDescendant(); + return Object.isNumber(expression) ? element.descendants()[expression] : Element.select(element, expression)[index || 0]; }, previous: function(element, expression, index) { element = $(element); - if (Object.isNumber(expression)) index = expression, expression = false; - if (!Object.isNumber(index)) index = 0; - - if (expression) { - return Prototype.Selector.find(element.previousSiblings(), expression, index); - } else { - return element.recursivelyCollect("previousSibling", index + 1)[index]; - } + 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 (Object.isNumber(expression)) index = expression, expression = false; - if (!Object.isNumber(index)) index = 0; - - if (expression) { - return Prototype.Selector.find(element.nextSiblings(), expression, index); - } else { - var maximumLength = Object.isNumber(index) ? index + 1 : 1; - return element.recursivelyCollect("nextSibling", index + 1)[index]; - } + 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(element) { - element = $(element); - var expressions = Array.prototype.slice.call(arguments, 1).join(', '); - return Prototype.Selector.select(expressions, element); + select: function() { + var args = $A(arguments), element = $(args.shift()); + return Selector.findChildElements(element, args); }, - adjacent: function(element) { - element = $(element); - var expressions = Array.prototype.slice.call(arguments, 1).join(', '); - return Prototype.Selector.select(expressions, element.parentNode).without(element); + adjacent: function() { + var args = $A(arguments), element = $(args.shift()); + return Selector.findChildElements(element.parentNode, args).without(element); }, identify: function(element) { element = $(element); - var id = Element.readAttribute(element, 'id'); + var id = element.readAttribute('id'), self = arguments.callee; if (id) return id; - do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id)); - Element.writeAttribute(element, 'id', id); + do { id = 'anonymous_element_' + self.counter++ } while ($(id)); + element.writeAttribute('id', id); return id; }, @@ -2287,11 +1820,11 @@ Element.Methods = { }, getHeight: function(element) { - return Element.getDimensions(element).height; + return $(element).getDimensions().height; }, getWidth: function(element) { - return Element.getDimensions(element).width; + return $(element).getDimensions().width; }, classNames: function(element) { @@ -2307,7 +1840,7 @@ Element.Methods = { addClassName: function(element, className) { if (!(element = $(element))) return; - if (!Element.hasClassName(element, className)) + if (!element.hasClassName(className)) element.className += (element.className ? ' ' : '') + className; return element; }, @@ -2321,10 +1854,11 @@ Element.Methods = { toggleClassName: function(element, className) { if (!(element = $(element))) return; - return Element[Element.hasClassName(element, className) ? - 'removeClassName' : 'addClassName'](element, className); + return element[element.hasClassName(className) ? + 'removeClassName' : 'addClassName'](className); }, + // removes whitespace-only text node children cleanWhitespace: function(element) { element = $(element); var node = element.firstChild; @@ -2358,7 +1892,7 @@ Element.Methods = { scrollTo: function(element) { element = $(element); - var pos = Element.cumulativeOffset(element); + var pos = element.cumulativeOffset(); window.scrollTo(pos[0], pos[1]); return element; }, @@ -2404,12 +1938,37 @@ Element.Methods = { return element; }, + getDimensions: function(element) { + element = $(element); + 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, + // so enable the element temporarily + var els = element.style; + var originalVisibility = els.visibility; + var originalPosition = els.position; + var originalDisplay = els.display; + els.visibility = 'hidden'; + els.position = 'absolute'; + els.display = 'block'; + var originalWidth = element.clientWidth; + var originalHeight = element.clientHeight; + els.display = originalDisplay; + els.position = originalPosition; + els.visibility = originalVisibility; + return {width: originalWidth, height: originalHeight}; + }, + makePositioned: function(element) { element = $(element); var pos = Element.getStyle(element, 'position'); if (pos == 'static' || !pos) { element._madePositioned = true; element.style.position = 'relative'; + // Opera returns the offset relative to the positioning context, when an + // element is position relative but top and left have not been defined if (Prototype.Browser.Opera) { element.style.top = 0; element.style.left = 0; @@ -2448,6 +2007,117 @@ Element.Methods = { return element; }, + 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); + }, + + 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.toUpperCase() == 'BODY') break; + var p = Element.getStyle(element, 'position'); + if (p !== 'static') break; + } + } while (element); + return Element._returnOffset(valueL, valueT); + }, + + absolutize: function(element) { + element = $(element); + if (element.getStyle('position') == 'absolute') return element; + // Position.prepare(); // To be done manually by Scripty when it needs it. + + 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; + }, + + relativize: function(element) { + element = $(element); + if (element.getStyle('position') == 'relative') return element; + // 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 && (element.tagName.toUpperCase() == '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, @@ -2458,21 +2128,28 @@ Element.Methods = { offsetLeft: 0 }, arguments[2] || { }); + // find page position of source source = $(source); - var p = Element.viewportOffset(source), delta = [0, 0], parent = null; + 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(element); - delta = Element.viewportOffset(parent); + 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'; @@ -2481,9 +2158,10 @@ Element.Methods = { } }; +Element.Methods.identify.counter = 1; + Object.extend(Element.Methods, { getElementsBySelector: Element.Methods.select, - childElements: Element.Methods.immediateDescendants }); @@ -2501,9 +2179,14 @@ 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()]) @@ -2536,6 +2219,52 @@ if (Prototype.Browser.Opera) { } 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); + // IE throws an error if element is not in document + try { element.offsetParent } + catch(e) { return $(document.body) } + 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); + try { element.offsetParent } + catch(e) { return Element._returnOffset(0,0) } + 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.cumulativeOffset = Element.Methods.cumulativeOffset.wrap( + function(proceed, element) { + try { element.offsetParent } + catch(e) { return Element._returnOffset(0,0) } + return proceed(element); + } + ); + Element.Methods.getStyle = function(element, style) { element = $(element); style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); @@ -2577,90 +2306,36 @@ else if (Prototype.Browser.IE) { return element; }; - Element._attributeTranslations = (function(){ - - var classProp = 'className', - forProp = 'for', - el = document.createElement('div'); - - el.setAttribute(classProp, 'x'); - - if (el.className !== 'x') { - el.setAttribute('class', 'x'); - if (el.className === 'x') { - classProp = 'class'; - } - } - el = null; - - el = document.createElement('label'); - el.setAttribute(forProp, 'x'); - if (el.htmlFor !== 'x') { - el.setAttribute('htmlFor', 'x'); - if (el.htmlFor === 'x') { - forProp = 'htmlFor'; - } - } - el = null; - - return { - read: { - names: { - 'class': classProp, - 'className': classProp, - 'for': forProp, - 'htmlFor': forProp + Element._attributeTranslations = { + read: { + names: { + 'class': 'className', + 'for': 'htmlFor' + }, + values: { + _getAttr: function(element, attribute) { + return element.getAttribute(attribute, 2); }, - values: { - _getAttr: function(element, attribute) { - return element.getAttribute(attribute); - }, - _getAttr2: function(element, attribute) { - return element.getAttribute(attribute, 2); - }, - _getAttrNode: function(element, attribute) { - var node = element.getAttributeNode(attribute); - return node ? node.value : ""; - }, - _getEv: (function(){ - - var el = document.createElement('div'), f; - el.onclick = Prototype.emptyFunction; - var value = el.getAttribute('onclick'); - - if (String(value).indexOf('{') > -1) { - f = function(element, attribute) { - attribute = element.getAttribute(attribute); - if (!attribute) return null; - attribute = attribute.toString(); - attribute = attribute.split('{')[1]; - attribute = attribute.split('}')[0]; - return attribute.strip(); - }; - } - else if (value === '') { - f = function(element, attribute) { - attribute = element.getAttribute(attribute); - if (!attribute) return null; - return attribute.strip(); - }; - } - el = null; - return f; - })(), - _flag: function(element, attribute) { - return $(element).hasAttribute(attribute) ? attribute : null; - }, - style: function(element) { - return element.style.cssText.toLowerCase(); - }, - title: function(element) { - return element.title; - } + _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; } } } - })(); + }; Element._attributeTranslations.write = { names: Object.extend({ @@ -2688,8 +2363,8 @@ else if (Prototype.Browser.IE) { (function(v) { Object.extend(v, { - href: v._getAttr2, - src: v._getAttr2, + href: v._getAttr, + src: v._getAttr, type: v._getAttr, action: v._getAttrNode, disabled: v._flag, @@ -2716,26 +2391,6 @@ else if (Prototype.Browser.IE) { onchange: v._getEv }); })(Element._attributeTranslations.read.values); - - if (Prototype.BrowserFeatures.ElementExtensions) { - (function() { - function _descendants(element) { - var nodes = element.getElementsByTagName('*'), results = []; - for (var i = 0, node; node = nodes[i]; i++) - if (node.tagName !== "!") // Filter out comment nodes. - results.push(node); - return results; - } - - Element.Methods.down = function(element, expression, index) { - element = $(element); - if (arguments.length == 1) return element.firstDescendant(); - return Object.isNumber(expression) ? _descendants(element)[expression] : - Element.select(element, expression)[index || 0]; - } - })(); - } - } else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { @@ -2754,7 +2409,7 @@ else if (Prototype.Browser.WebKit) { (value < 0.00001) ? 0 : value; if (value == 1) - if (element.tagName.toUpperCase() == 'IMG' && element.width) { + if(element.tagName.toUpperCase() == 'IMG' && element.width) { element.width++; element.width--; } else try { var n = document.createTextNode(' '); @@ -2764,9 +2419,49 @@ else if (Prototype.Browser.WebKit) { 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.documentElement) { +if ('outerHTML' in document.createElement('div')) { Element.Methods.replace = function(element, content) { element = $(element); @@ -2780,8 +2475,8 @@ if ('outerHTML' in document.documentElement) { var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); if (Element._insertionTranslations.tags[tagName]) { - var nextSibling = element.next(), - fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + var nextSibling = element.next(); + var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); parent.removeChild(element); if (nextSibling) fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); @@ -2802,27 +2497,12 @@ Element._returnOffset = function(l, t) { return result; }; -Element._getContentFromAnonymousElement = function(tagName, html, force) { - var div = new Element('div'), - t = Element._insertionTranslations.tags[tagName]; - - var workaround = false; - if (t) workaround = true; - else if (force) { - workaround = true; - t = ['', '', 0]; - } - - if (workaround) { - div.innerHTML = ' ' + t[0] + html + t[1]; - div.removeChild(div.firstChild); - for (var i = t[2]; i--; ) { - div = div.firstChild; - } - } - else { - div.innerHTML = html; - } +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); }; @@ -2849,13 +2529,12 @@ Element._insertionTranslations = { }; (function() { - var tags = Element._insertionTranslations.tags; - Object.extend(tags, { - THEAD: tags.TBODY, - TFOOT: tags.TBODY, - TH: tags.TD + 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) { @@ -2869,81 +2548,41 @@ Element.Methods.ByTag = { }; Object.extend(Element, Element.Methods); -(function(div) { - - if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) { - window.HTMLElement = { }; - window.HTMLElement.prototype = div['__proto__']; - Prototype.BrowserFeatures.ElementExtensions = true; - } - - div = null; - -})(document.createElement('div')); +if (!Prototype.BrowserFeatures.ElementExtensions && + document.createElement('div')['__proto__']) { + window.HTMLElement = { }; + window.HTMLElement.prototype = document.createElement('div')['__proto__']; + Prototype.BrowserFeatures.ElementExtensions = true; +} Element.extend = (function() { - - function checkDeficiency(tagName) { - if (typeof window.Element != 'undefined') { - var proto = window.Element.prototype; - if (proto) { - var id = '_' + (Math.random()+'').slice(2), - el = document.createElement(tagName); - proto[id] = 'x'; - var isBuggy = (el[id] !== 'x'); - delete proto[id]; - el = null; - return isBuggy; - } - } - return false; - } - - function extendElementWith(element, methods) { - for (var property in methods) { - var value = methods[property]; - if (Object.isFunction(value) && !(property in element)) - element[property] = value.methodize(); - } - } - - var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object'); - - if (Prototype.BrowserFeatures.SpecificElementExtensions) { - if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) { - return function(element) { - if (element && typeof element._extendedByPrototype == 'undefined') { - var t = element.tagName; - if (t && (/^(?:object|applet|embed)$/i.test(t))) { - extendElementWith(element, Element.Methods); - extendElementWith(element, Element.Methods.Simulated); - extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]); - } - } - return element; - } - } + if (Prototype.BrowserFeatures.SpecificElementExtensions) return Prototype.K; - } var Methods = { }, ByTag = Element.Methods.ByTag; var extend = Object.extend(function(element) { - if (!element || typeof element._extendedByPrototype != 'undefined' || + if (!element || element._extendedByPrototype || element.nodeType != 1 || element == window) return element; var methods = Object.clone(Methods), - tagName = element.tagName.toUpperCase(); + tagName = element.tagName.toUpperCase(), property, value; + // extend methods for specific tags if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); - extendElementWith(element, methods); + 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); @@ -2955,14 +2594,10 @@ Element.extend = (function() { return extend; })(); -if (document.documentElement.hasAttribute) { - Element.hasAttribute = function(element, attribute) { - return element.hasAttribute(attribute); - }; -} -else { - Element.hasAttribute = Element.Methods.Simulated.hasAttribute; -} +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; @@ -2974,8 +2609,7 @@ Element.addMethods = function(methods) { "FORM": Object.clone(Form.Methods), "INPUT": Object.clone(Form.Element.Methods), "SELECT": Object.clone(Form.Element.Methods), - "TEXTAREA": Object.clone(Form.Element.Methods), - "BUTTON": Object.clone(Form.Element.Methods) + "TEXTAREA": Object.clone(Form.Element.Methods) }); } @@ -3027,19 +2661,14 @@ Element.addMethods = function(methods) { klass = 'HTML' + tagName.capitalize() + 'Element'; if (window[klass]) return window[klass]; - var element = document.createElement(tagName), - proto = element['__proto__'] || element.constructor.prototype; - - element = null; - return proto; + window[klass] = { }; + window[klass].prototype = document.createElement(tagName)['__proto__']; + return window[klass]; } - var elementPrototype = window.HTMLElement ? HTMLElement.prototype : - Element.prototype; - if (F.ElementExtensions) { - copy(Element.Methods, elementPrototype); - copy(Element.Methods.Simulated, elementPrototype, true); + copy(Element.Methods, HTMLElement.prototype); + copy(Element.Methods.Simulated, HTMLElement.prototype, true); } if (F.SpecificElementExtensions) { @@ -3057,1947 +2686,791 @@ Element.addMethods = function(methods) { Element.cache = { }; }; - document.viewport = { - getDimensions: function() { - return { width: this.getWidth(), height: this.getHeight() }; - }, - - getScrollOffsets: function() { - return Element._returnOffset( - window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, - window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); - } -}; - -(function(viewport) { - var B = Prototype.Browser, doc = document, element, property = {}; - - function getRootElement() { - if (B.WebKit && !doc.evaluate) - return document; - - if (B.Opera && window.parseFloat(window.opera.version()) < 9.5) - return document.body; - - return document.documentElement; - } - - function define(D) { - if (!element) element = getRootElement(); - - property[D] = 'client' + D; - - viewport['get' + D] = function() { return element[property[D]] }; - return viewport['get' + D](); - } - - viewport.getWidth = define.curry('Width'); - - viewport.getHeight = define.curry('Height'); -})(document.viewport); - - -Element.Storage = { - UID: 1 -}; - -Element.addMethods({ - getStorage: function(element) { - if (!(element = $(element))) return; - - var uid; - if (element === window) { - uid = 0; - } else { - if (typeof element._prototypeUID === "undefined") - element._prototypeUID = Element.Storage.UID++; - uid = element._prototypeUID; - } - - if (!Element.Storage[uid]) - Element.Storage[uid] = $H(); - - return Element.Storage[uid]; - }, - - store: function(element, key, value) { - if (!(element = $(element))) return; - - if (arguments.length === 2) { - Element.getStorage(element).update(key); - } else { - Element.getStorage(element).set(key, value); - } - - return element; - }, - - retrieve: function(element, key, defaultValue) { - if (!(element = $(element))) return; - var hash = Element.getStorage(element), value = hash.get(key); - - if (Object.isUndefined(value)) { - hash.set(key, defaultValue); - value = defaultValue; - } - - return value; - }, - - clone: function(element, deep) { - if (!(element = $(element))) return; - var clone = element.cloneNode(deep); - clone._prototypeUID = void 0; - if (deep) { - var descendants = Element.select(clone, '*'), - i = descendants.length; - while (i--) { - descendants[i]._prototypeUID = void 0; - } - } - return Element.extend(clone); - }, - - purge: function(element) { - if (!(element = $(element))) return; - var purgeElement = Element._purgeElement; - - purgeElement(element); - - var descendants = element.getElementsByTagName('*'), - i = descendants.length; - - while (i--) purgeElement(descendants[i]); - - return null; - } -}); - -(function() { - - function toDecimal(pctString) { - var match = pctString.match(/^(\d+)%?$/i); - if (!match) return null; - return (Number(match[1]) / 100); - } - - function getPixelValue(value, property, context) { - var element = null; - if (Object.isElement(value)) { - element = value; - value = element.getStyle(property); - } - - if (value === null) { - return null; - } - - if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) { - return window.parseFloat(value); - } - - var isPercentage = value.include('%'), isViewport = (context === document.viewport); - - if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) { - var style = element.style.left, rStyle = element.runtimeStyle.left; - element.runtimeStyle.left = element.currentStyle.left; - element.style.left = value || 0; - value = element.style.pixelLeft; - element.style.left = style; - element.runtimeStyle.left = rStyle; - - return value; - } - - if (element && isPercentage) { - context = context || element.parentNode; - var decimal = toDecimal(value); - var whole = null; - var position = element.getStyle('position'); - - var isHorizontal = property.include('left') || property.include('right') || - property.include('width'); - - var isVertical = property.include('top') || property.include('bottom') || - property.include('height'); - - if (context === document.viewport) { - if (isHorizontal) { - whole = document.viewport.getWidth(); - } else if (isVertical) { - whole = document.viewport.getHeight(); - } - } else { - if (isHorizontal) { - whole = $(context).measure('width'); - } else if (isVertical) { - whole = $(context).measure('height'); - } - } - - return (whole === null) ? 0 : whole * decimal; - } - - return 0; - } - - function toCSSPixels(number) { - if (Object.isString(number) && number.endsWith('px')) { - return number; - } - return number + 'px'; - } - - function isDisplayed(element) { - var originalElement = element; - while (element && element.parentNode) { - var display = element.getStyle('display'); - if (display === 'none') { - return false; - } - element = $(element.parentNode); - } - return true; - } - - var hasLayout = Prototype.K; - if ('currentStyle' in document.documentElement) { - hasLayout = function(element) { - if (!element.currentStyle.hasLayout) { - element.style.zoom = 1; - } - return element; - }; - } - - function cssNameFor(key) { - if (key.include('border')) key = key + '-width'; - return key.camelize(); - } - - Element.Layout = Class.create(Hash, { - initialize: function($super, element, preCompute) { - $super(); - this.element = $(element); - - Element.Layout.PROPERTIES.each( function(property) { - this._set(property, null); - }, this); - - if (preCompute) { - this._preComputing = true; - this._begin(); - Element.Layout.PROPERTIES.each( this._compute, this ); - this._end(); - this._preComputing = false; - } - }, - - _set: function(property, value) { - return Hash.prototype.set.call(this, property, value); - }, - - set: function(property, value) { - throw "Properties of Element.Layout are read-only."; - }, - - get: function($super, property) { - var value = $super(property); - return value === null ? this._compute(property) : value; - }, - - _begin: function() { - if (this._prepared) return; - - var element = this.element; - if (isDisplayed(element)) { - this._prepared = true; - return; - } - - var originalStyles = { - position: element.style.position || '', - width: element.style.width || '', - visibility: element.style.visibility || '', - display: element.style.display || '' - }; - - element.store('prototype_original_styles', originalStyles); - - var position = element.getStyle('position'), - width = element.getStyle('width'); - - if (width === "0px" || width === null) { - element.style.display = 'block'; - width = element.getStyle('width'); - } - - var context = (position === 'fixed') ? document.viewport : - element.parentNode; - - element.setStyle({ - position: 'absolute', - visibility: 'hidden', - display: 'block' - }); - - var positionedWidth = element.getStyle('width'); - - var newWidth; - if (width && (positionedWidth === width)) { - newWidth = getPixelValue(element, 'width', context); - } else if (position === 'absolute' || position === 'fixed') { - newWidth = getPixelValue(element, 'width', context); - } else { - var parent = element.parentNode, pLayout = $(parent).getLayout(); - - newWidth = pLayout.get('width') - - this.get('margin-left') - - this.get('border-left') - - this.get('padding-left') - - this.get('padding-right') - - this.get('border-right') - - this.get('margin-right'); - } - - element.setStyle({ width: newWidth + 'px' }); - - this._prepared = true; - }, - - _end: function() { - var element = this.element; - var originalStyles = element.retrieve('prototype_original_styles'); - element.store('prototype_original_styles', null); - element.setStyle(originalStyles); - this._prepared = false; - }, - - _compute: function(property) { - var COMPUTATIONS = Element.Layout.COMPUTATIONS; - if (!(property in COMPUTATIONS)) { - throw "Property not found."; - } - - return this._set(property, COMPUTATIONS[property].call(this, this.element)); - }, - - toObject: function() { - var args = $A(arguments); - var keys = (args.length === 0) ? Element.Layout.PROPERTIES : - args.join(' ').split(' '); - var obj = {}; - keys.each( function(key) { - if (!Element.Layout.PROPERTIES.include(key)) return; - var value = this.get(key); - if (value != null) obj[key] = value; - }, this); - return obj; - }, - - toHash: function() { - var obj = this.toObject.apply(this, arguments); - return new Hash(obj); - }, - - toCSS: function() { - var args = $A(arguments); - var keys = (args.length === 0) ? Element.Layout.PROPERTIES : - args.join(' ').split(' '); - var css = {}; - - keys.each( function(key) { - if (!Element.Layout.PROPERTIES.include(key)) return; - if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return; - - var value = this.get(key); - if (value != null) css[cssNameFor(key)] = value + 'px'; - }, this); - return css; - }, - - inspect: function() { - return "#"; - } - }); - - Object.extend(Element.Layout, { - PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'), - - COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'), - - COMPUTATIONS: { - 'height': function(element) { - if (!this._preComputing) this._begin(); - - var bHeight = this.get('border-box-height'); - if (bHeight <= 0) { - if (!this._preComputing) this._end(); - return 0; - } - - var bTop = this.get('border-top'), - bBottom = this.get('border-bottom'); - - var pTop = this.get('padding-top'), - pBottom = this.get('padding-bottom'); - - if (!this._preComputing) this._end(); - - return bHeight - bTop - bBottom - pTop - pBottom; - }, - - 'width': function(element) { - if (!this._preComputing) this._begin(); - - var bWidth = this.get('border-box-width'); - if (bWidth <= 0) { - if (!this._preComputing) this._end(); - return 0; - } - - var bLeft = this.get('border-left'), - bRight = this.get('border-right'); - - var pLeft = this.get('padding-left'), - pRight = this.get('padding-right'); - - if (!this._preComputing) this._end(); - - return bWidth - bLeft - bRight - pLeft - pRight; - }, - - 'padding-box-height': function(element) { - var height = this.get('height'), - pTop = this.get('padding-top'), - pBottom = this.get('padding-bottom'); - - return height + pTop + pBottom; - }, - - 'padding-box-width': function(element) { - var width = this.get('width'), - pLeft = this.get('padding-left'), - pRight = this.get('padding-right'); - - return width + pLeft + pRight; - }, - - 'border-box-height': function(element) { - if (!this._preComputing) this._begin(); - var height = element.offsetHeight; - if (!this._preComputing) this._end(); - return height; - }, - - 'border-box-width': function(element) { - if (!this._preComputing) this._begin(); - var width = element.offsetWidth; - if (!this._preComputing) this._end(); - return width; - }, - - 'margin-box-height': function(element) { - var bHeight = this.get('border-box-height'), - mTop = this.get('margin-top'), - mBottom = this.get('margin-bottom'); - - if (bHeight <= 0) return 0; - - return bHeight + mTop + mBottom; - }, - - 'margin-box-width': function(element) { - var bWidth = this.get('border-box-width'), - mLeft = this.get('margin-left'), - mRight = this.get('margin-right'); - - if (bWidth <= 0) return 0; - - return bWidth + mLeft + mRight; - }, - - 'top': function(element) { - var offset = element.positionedOffset(); - return offset.top; - }, - - 'bottom': function(element) { - var offset = element.positionedOffset(), - parent = element.getOffsetParent(), - pHeight = parent.measure('height'); - - var mHeight = this.get('border-box-height'); - - return pHeight - mHeight - offset.top; - }, - - 'left': function(element) { - var offset = element.positionedOffset(); - return offset.left; - }, - - 'right': function(element) { - var offset = element.positionedOffset(), - parent = element.getOffsetParent(), - pWidth = parent.measure('width'); - - var mWidth = this.get('border-box-width'); - - return pWidth - mWidth - offset.left; - }, - - 'padding-top': function(element) { - return getPixelValue(element, 'paddingTop'); - }, - - 'padding-bottom': function(element) { - return getPixelValue(element, 'paddingBottom'); - }, - - 'padding-left': function(element) { - return getPixelValue(element, 'paddingLeft'); - }, - - 'padding-right': function(element) { - return getPixelValue(element, 'paddingRight'); - }, - - 'border-top': function(element) { - return getPixelValue(element, 'borderTopWidth'); - }, - - 'border-bottom': function(element) { - return getPixelValue(element, 'borderBottomWidth'); - }, - - 'border-left': function(element) { - return getPixelValue(element, 'borderLeftWidth'); - }, - - 'border-right': function(element) { - return getPixelValue(element, 'borderRightWidth'); - }, - - 'margin-top': function(element) { - return getPixelValue(element, 'marginTop'); - }, - - 'margin-bottom': function(element) { - return getPixelValue(element, 'marginBottom'); - }, - - 'margin-left': function(element) { - return getPixelValue(element, 'marginLeft'); - }, - - 'margin-right': function(element) { - return getPixelValue(element, 'marginRight'); - } - } - }); - - if ('getBoundingClientRect' in document.documentElement) { - Object.extend(Element.Layout.COMPUTATIONS, { - 'right': function(element) { - var parent = hasLayout(element.getOffsetParent()); - var rect = element.getBoundingClientRect(), - pRect = parent.getBoundingClientRect(); - - return (pRect.right - rect.right).round(); - }, - - 'bottom': function(element) { - var parent = hasLayout(element.getOffsetParent()); - var rect = element.getBoundingClientRect(), - pRect = parent.getBoundingClientRect(); - - return (pRect.bottom - rect.bottom).round(); - } - }); - } - - Element.Offset = Class.create({ - initialize: function(left, top) { - this.left = left.round(); - this.top = top.round(); - - this[0] = this.left; - this[1] = this.top; - }, - - relativeTo: function(offset) { - return new Element.Offset( - this.left - offset.left, - this.top - offset.top - ); - }, - - inspect: function() { - return "#".interpolate(this); - }, - - toString: function() { - return "[#{left}, #{top}]".interpolate(this); - }, - - toArray: function() { - return [this.left, this.top]; - } - }); - - function getLayout(element, preCompute) { - return new Element.Layout(element, preCompute); - } - - function measure(element, property) { - return $(element).getLayout().get(property); - } - - function getDimensions(element) { - element = $(element); - var display = Element.getStyle(element, 'display'); - - if (display && display !== 'none') { - return { width: element.offsetWidth, height: element.offsetHeight }; - } - - var style = element.style; - var originalStyles = { - visibility: style.visibility, - position: style.position, - display: style.display - }; - - var newStyles = { - visibility: 'hidden', - display: 'block' - }; - - if (originalStyles.position !== 'fixed') - newStyles.position = 'absolute'; - - Element.setStyle(element, newStyles); - - var dimensions = { - width: element.offsetWidth, - height: element.offsetHeight - }; - - Element.setStyle(element, originalStyles); - - return dimensions; - } - - function getOffsetParent(element) { - element = $(element); - - if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element)) - return $(document.body); - - var isInline = (Element.getStyle(element, 'display') === 'inline'); - if (!isInline && element.offsetParent) return $(element.offsetParent); - - while ((element = element.parentNode) && element !== document.body) { - if (Element.getStyle(element, 'position') !== 'static') { - return isHtml(element) ? $(document.body) : $(element); - } - } - - return $(document.body); - } - - - function cumulativeOffset(element) { - element = $(element); - var valueT = 0, valueL = 0; - if (element.parentNode) { - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - } while (element); - } - return new Element.Offset(valueL, valueT); - } - - function positionedOffset(element) { - element = $(element); - - var layout = element.getLayout(); - - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - if (element) { - if (isBody(element)) break; - var p = Element.getStyle(element, 'position'); - if (p !== 'static') break; - } - } while (element); - - valueL -= layout.get('margin-top'); - valueT -= layout.get('margin-left'); - - return new Element.Offset(valueL, valueT); - } - - function cumulativeScrollOffset(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.scrollTop || 0; - valueL += element.scrollLeft || 0; - element = element.parentNode; - } while (element); - return new Element.Offset(valueL, valueT); - } - - function viewportOffset(forElement) { - element = $(element); - var valueT = 0, valueL = 0, docBody = document.body; - - var element = forElement; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - if (element.offsetParent == docBody && - Element.getStyle(element, 'position') == 'absolute') break; - } while (element = element.offsetParent); - - element = forElement; - do { - if (element != docBody) { - valueT -= element.scrollTop || 0; - valueL -= element.scrollLeft || 0; - } - } while (element = element.parentNode); - return new Element.Offset(valueL, valueT); - } - - function absolutize(element) { - element = $(element); - - if (Element.getStyle(element, 'position') === 'absolute') { - return element; - } - - var offsetParent = getOffsetParent(element); - var eOffset = element.viewportOffset(), - pOffset = offsetParent.viewportOffset(); - - var offset = eOffset.relativeTo(pOffset); - var layout = element.getLayout(); - - element.store('prototype_absolutize_original_styles', { - left: element.getStyle('left'), - top: element.getStyle('top'), - width: element.getStyle('width'), - height: element.getStyle('height') - }); - - element.setStyle({ - position: 'absolute', - top: offset.top + 'px', - left: offset.left + 'px', - width: layout.get('width') + 'px', - height: layout.get('height') + 'px' - }); - - return element; - } - - function relativize(element) { - element = $(element); - if (Element.getStyle(element, 'position') === 'relative') { - return element; - } - - var originalStyles = - element.retrieve('prototype_absolutize_original_styles'); - - if (originalStyles) element.setStyle(originalStyles); - return element; - } - - if (Prototype.Browser.IE) { - getOffsetParent = getOffsetParent.wrap( - function(proceed, element) { - element = $(element); - - if (isDocument(element) || isDetached(element) || isBody(element) || isHtml(element)) - return $(document.body); - - 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; - } - ); - - positionedOffset = positionedOffset.wrap(function(proceed, element) { - element = $(element); - if (!element.parentNode) return new Element.Offset(0, 0); - var position = element.getStyle('position'); - if (position !== 'static') return proceed(element); - - var offsetParent = element.getOffsetParent(); - if (offsetParent && offsetParent.getStyle('position') === 'fixed') - hasLayout(offsetParent); - - element.setStyle({ position: 'relative' }); - var value = proceed(element); - element.setStyle({ position: position }); - return value; - }); - } else if (Prototype.Browser.Webkit) { - cumulativeOffset = function(element) { - element = $(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 new Element.Offset(valueL, valueT); - }; - } - - - Element.addMethods({ - getLayout: getLayout, - measure: measure, - getDimensions: getDimensions, - getOffsetParent: getOffsetParent, - cumulativeOffset: cumulativeOffset, - positionedOffset: positionedOffset, - cumulativeScrollOffset: cumulativeScrollOffset, - viewportOffset: viewportOffset, - absolutize: absolutize, - relativize: relativize - }); - - function isBody(element) { - return element.nodeName.toUpperCase() === 'BODY'; - } - - function isHtml(element) { - return element.nodeName.toUpperCase() === 'HTML'; - } - - function isDocument(element) { - return element.nodeType === Node.DOCUMENT_NODE; - } - - function isDetached(element) { - return element !== document.body && - !Element.descendantOf(element, document.body); - } - - if ('getBoundingClientRect' in document.documentElement) { - Element.addMethods({ - viewportOffset: function(element) { - element = $(element); - if (isDetached(element)) return new Element.Offset(0, 0); - - var rect = element.getBoundingClientRect(), - docEl = document.documentElement; - return new Element.Offset(rect.left - docEl.clientLeft, - rect.top - docEl.clientTop); - } - }); - } -})(); -window.$$ = function() { - var expression = $A(arguments).join(', '); - return Prototype.Selector.select(expression, document); -}; - -Prototype.Selector = (function() { - - function select() { - throw new Error('Method "Prototype.Selector.select" must be defined.'); - } - - function match() { - throw new Error('Method "Prototype.Selector.match" must be defined.'); - } - - function find(elements, expression, index) { - index = index || 0; - var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i; - - for (i = 0; i < length; i++) { - if (match(elements[i], expression) && index == matchIndex++) { - return Element.extend(elements[i]); - } - } - } - - function extendElements(elements) { - for (var i = 0, length = elements.length; i < length; i++) { - Element.extend(elements[i]); - } - return elements; - } - - - var K = Prototype.K; - - return { - select: select, - match: match, - find: find, - extendElements: (Element.extend === K) ? K : extendElements, - extendElement: Element.extend - }; -})(); -Prototype._original_property = window.Sizzle; -/*! - * Sizzle CSS Selector Engine - v1.0 - * Copyright 2009, The Dojo Foundation - * Released under the MIT, BSD, and GPL Licenses. - * More information: http://sizzlejs.com/ - */ -(function(){ - -var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g, - done = 0, - toString = Object.prototype.toString, - hasDuplicate = false, - baseHasDuplicate = true; - -[0, 0].sort(function(){ - baseHasDuplicate = false; - return 0; -}); - -var Sizzle = function(selector, context, results, seed) { - results = results || []; - var origContext = context = context || document; - - if ( context.nodeType !== 1 && context.nodeType !== 9 ) { - return []; - } - - if ( !selector || typeof selector !== "string" ) { - return results; - } - - var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context), - soFar = selector; - - while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) { - soFar = m[3]; - - parts.push( m[1] ); - - if ( m[2] ) { - extra = m[3]; - break; - } - } - - if ( parts.length > 1 && origPOS.exec( selector ) ) { - if ( parts.length === 2 && Expr.relative[ parts[0] ] ) { - set = posProcess( parts[0] + parts[1], context ); - } else { - set = Expr.relative[ parts[0] ] ? - [ context ] : - Sizzle( parts.shift(), context ); - - while ( parts.length ) { - selector = parts.shift(); - - if ( Expr.relative[ selector ] ) - selector += parts.shift(); - - set = posProcess( selector, set ); - } - } - } else { - if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML && - Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) { - var ret = Sizzle.find( parts.shift(), context, contextXML ); - context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0]; - } - - if ( context ) { - var ret = seed ? - { expr: parts.pop(), set: makeArray(seed) } : - Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML ); - set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set; - - if ( parts.length > 0 ) { - checkSet = makeArray(set); - } else { - prune = false; - } - - while ( parts.length ) { - var cur = parts.pop(), pop = cur; - - if ( !Expr.relative[ cur ] ) { - cur = ""; - } else { - pop = parts.pop(); - } - - if ( pop == null ) { - pop = context; - } - - Expr.relative[ cur ]( checkSet, pop, contextXML ); - } - } else { - checkSet = parts = []; - } - } - - if ( !checkSet ) { - checkSet = set; - } - - if ( !checkSet ) { - throw "Syntax error, unrecognized expression: " + (cur || selector); - } - - if ( toString.call(checkSet) === "[object Array]" ) { - if ( !prune ) { - results.push.apply( results, checkSet ); - } else if ( context && context.nodeType === 1 ) { - for ( var i = 0; checkSet[i] != null; i++ ) { - if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) { - results.push( set[i] ); - } - } - } else { - for ( var i = 0; checkSet[i] != null; i++ ) { - if ( checkSet[i] && checkSet[i].nodeType === 1 ) { - results.push( set[i] ); - } - } - } - } else { - makeArray( checkSet, results ); - } - - if ( extra ) { - Sizzle( extra, origContext, results, seed ); - Sizzle.uniqueSort( results ); - } - - return results; -}; - -Sizzle.uniqueSort = function(results){ - if ( sortOrder ) { - hasDuplicate = baseHasDuplicate; - results.sort(sortOrder); - - if ( hasDuplicate ) { - for ( var i = 1; i < results.length; i++ ) { - if ( results[i] === results[i-1] ) { - results.splice(i--, 1); - } - } - } - } - - return results; -}; - -Sizzle.matches = function(expr, set){ - return Sizzle(expr, null, null, set); -}; - -Sizzle.find = function(expr, context, isXML){ - var set, match; - - if ( !expr ) { - return []; - } - - for ( var i = 0, l = Expr.order.length; i < l; i++ ) { - var type = Expr.order[i], match; - - if ( (match = Expr.leftMatch[ type ].exec( expr )) ) { - var left = match[1]; - match.splice(1,1); - - if ( left.substr( left.length - 1 ) !== "\\" ) { - match[1] = (match[1] || "").replace(/\\/g, ""); - set = Expr.find[ type ]( match, context, isXML ); - if ( set != null ) { - expr = expr.replace( Expr.match[ type ], "" ); - break; - } - } - } - } - - if ( !set ) { - set = context.getElementsByTagName("*"); - } - - return {set: set, expr: expr}; -}; - -Sizzle.filter = function(expr, set, inplace, not){ - var old = expr, result = [], curLoop = set, match, anyFound, - isXMLFilter = set && set[0] && isXML(set[0]); - - while ( expr && set.length ) { - for ( var type in Expr.filter ) { - if ( (match = Expr.match[ type ].exec( expr )) != null ) { - var filter = Expr.filter[ type ], found, item; - anyFound = false; - - if ( curLoop == result ) { - result = []; - } - - if ( Expr.preFilter[ type ] ) { - match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter ); - - if ( !match ) { - anyFound = found = true; - } else if ( match === true ) { - continue; - } - } - - if ( match ) { - for ( var i = 0; (item = curLoop[i]) != null; i++ ) { - if ( item ) { - found = filter( item, match, i, curLoop ); - var pass = not ^ !!found; - - if ( inplace && found != null ) { - if ( pass ) { - anyFound = true; - } else { - curLoop[i] = false; - } - } else if ( pass ) { - result.push( item ); - anyFound = true; - } - } - } - } - - if ( found !== undefined ) { - if ( !inplace ) { - curLoop = result; - } - - expr = expr.replace( Expr.match[ type ], "" ); - - if ( !anyFound ) { - return []; - } - - break; - } - } - } - - if ( expr == old ) { - if ( anyFound == null ) { - throw "Syntax error, unrecognized expression: " + expr; - } else { - break; - } - } - - old = expr; - } - - return curLoop; -}; - -var Expr = Sizzle.selectors = { - order: [ "ID", "NAME", "TAG" ], - match: { - ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/, - CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/, - NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/, - ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/, - TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/, - CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/, - POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/, - PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/ - }, - leftMatch: {}, - attrMap: { - "class": "className", - "for": "htmlFor" - }, - attrHandle: { - href: function(elem){ - return elem.getAttribute("href"); - } - }, - relative: { - "+": function(checkSet, part, isXML){ - var isPartStr = typeof part === "string", - isTag = isPartStr && !/\W/.test(part), - isPartStrNotTag = isPartStr && !isTag; - - if ( isTag && !isXML ) { - part = part.toUpperCase(); - } - - for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) { - if ( (elem = checkSet[i]) ) { - while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {} - - checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ? - elem || false : - elem === part; - } - } - - if ( isPartStrNotTag ) { - Sizzle.filter( part, checkSet, true ); - } - }, - ">": function(checkSet, part, isXML){ - var isPartStr = typeof part === "string"; - - if ( isPartStr && !/\W/.test(part) ) { - part = isXML ? part : part.toUpperCase(); - - for ( var i = 0, l = checkSet.length; i < l; i++ ) { - var elem = checkSet[i]; - if ( elem ) { - var parent = elem.parentNode; - checkSet[i] = parent.nodeName === part ? parent : false; - } - } - } else { - for ( var i = 0, l = checkSet.length; i < l; i++ ) { - var elem = checkSet[i]; - if ( elem ) { - checkSet[i] = isPartStr ? - elem.parentNode : - elem.parentNode === part; - } - } - - if ( isPartStr ) { - Sizzle.filter( part, checkSet, true ); - } - } - }, - "": function(checkSet, part, isXML){ - var doneName = done++, checkFn = dirCheck; - - if ( !/\W/.test(part) ) { - var nodeCheck = part = isXML ? part : part.toUpperCase(); - checkFn = dirNodeCheck; - } - - checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML); - }, - "~": function(checkSet, part, isXML){ - var doneName = done++, checkFn = dirCheck; - - if ( typeof part === "string" && !/\W/.test(part) ) { - var nodeCheck = part = isXML ? part : part.toUpperCase(); - checkFn = dirNodeCheck; - } - - checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML); - } - }, - find: { - ID: function(match, context, isXML){ - if ( typeof context.getElementById !== "undefined" && !isXML ) { - var m = context.getElementById(match[1]); - return m ? [m] : []; - } - }, - NAME: function(match, context, isXML){ - if ( typeof context.getElementsByName !== "undefined" ) { - var ret = [], results = context.getElementsByName(match[1]); - - for ( var i = 0, l = results.length; i < l; i++ ) { - if ( results[i].getAttribute("name") === match[1] ) { - ret.push( results[i] ); - } - } - - return ret.length === 0 ? null : ret; - } - }, - TAG: function(match, context){ - return context.getElementsByTagName(match[1]); - } - }, - preFilter: { - CLASS: function(match, curLoop, inplace, result, not, isXML){ - match = " " + match[1].replace(/\\/g, "") + " "; - - if ( isXML ) { - return match; - } - - for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) { - if ( elem ) { - if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) { - if ( !inplace ) - result.push( elem ); - } else if ( inplace ) { - curLoop[i] = false; - } - } - } - - return false; - }, - ID: function(match){ - return match[1].replace(/\\/g, ""); - }, - TAG: function(match, curLoop){ - for ( var i = 0; curLoop[i] === false; i++ ){} - return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase(); - }, - CHILD: function(match){ - if ( match[1] == "nth" ) { - var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec( - match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" || - !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]); - - match[2] = (test[1] + (test[2] || 1)) - 0; - match[3] = test[3] - 0; - } - - match[0] = done++; - - return match; - }, - ATTR: function(match, curLoop, inplace, result, not, isXML){ - var name = match[1].replace(/\\/g, ""); - - if ( !isXML && Expr.attrMap[name] ) { - match[1] = Expr.attrMap[name]; - } - - if ( match[2] === "~=" ) { - match[4] = " " + match[4] + " "; - } - - return match; - }, - PSEUDO: function(match, curLoop, inplace, result, not){ - if ( match[1] === "not" ) { - if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) { - match[3] = Sizzle(match[3], null, null, curLoop); - } else { - var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not); - if ( !inplace ) { - result.push.apply( result, ret ); - } - return false; - } - } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) { - return true; - } - - return match; - }, - POS: function(match){ - match.unshift( true ); - return match; - } - }, - filters: { - enabled: function(elem){ - return elem.disabled === false && elem.type !== "hidden"; - }, - disabled: function(elem){ - return elem.disabled === true; - }, - checked: function(elem){ - return elem.checked === true; - }, - selected: function(elem){ - elem.parentNode.selectedIndex; - return elem.selected === true; - }, - parent: function(elem){ - return !!elem.firstChild; - }, - empty: function(elem){ - return !elem.firstChild; - }, - has: function(elem, i, match){ - return !!Sizzle( match[3], elem ).length; - }, - header: function(elem){ - return /h\d/i.test( elem.nodeName ); - }, - text: function(elem){ - return "text" === elem.type; - }, - radio: function(elem){ - return "radio" === elem.type; - }, - checkbox: function(elem){ - return "checkbox" === elem.type; - }, - file: function(elem){ - return "file" === elem.type; - }, - password: function(elem){ - return "password" === elem.type; - }, - submit: function(elem){ - return "submit" === elem.type; - }, - image: function(elem){ - return "image" === elem.type; - }, - reset: function(elem){ - return "reset" === elem.type; - }, - button: function(elem){ - return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON"; - }, - input: function(elem){ - return /input|select|textarea|button/i.test(elem.nodeName); - } - }, - setFilters: { - first: function(elem, i){ - return i === 0; - }, - last: function(elem, i, match, array){ - return i === array.length - 1; - }, - even: function(elem, i){ - return i % 2 === 0; - }, - odd: function(elem, i){ - return i % 2 === 1; - }, - lt: function(elem, i, match){ - return i < match[3] - 0; - }, - gt: function(elem, i, match){ - return i > match[3] - 0; - }, - nth: function(elem, i, match){ - return match[3] - 0 == i; - }, - eq: function(elem, i, match){ - return match[3] - 0 == i; - } - }, - filter: { - PSEUDO: function(elem, match, i, array){ - var name = match[1], filter = Expr.filters[ name ]; - - if ( filter ) { - return filter( elem, i, match, array ); - } else if ( name === "contains" ) { - return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0; - } else if ( name === "not" ) { - var not = match[3]; - - for ( var i = 0, l = not.length; i < l; i++ ) { - if ( not[i] === elem ) { - return false; - } - } - - return true; + var dimensions = { }, B = Prototype.Browser; + $w('width height').each(function(d) { + var D = d.capitalize(); + if (B.WebKit && !document.evaluate) { + // Safari <3.0 needs self.innerWidth/Height + dimensions[d] = self['inner' + D]; + } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) { + // Opera <9.5 needs document.body.clientWidth/Height + dimensions[d] = document.body['client' + D] + } else { + dimensions[d] = document.documentElement['client' + D]; } - }, - CHILD: function(elem, match){ - var type = match[1], node = elem; - switch (type) { - case 'only': - case 'first': - while ( (node = node.previousSibling) ) { - if ( node.nodeType === 1 ) return false; - } - if ( type == 'first') return true; - node = elem; - case 'last': - while ( (node = node.nextSibling) ) { - if ( node.nodeType === 1 ) return false; - } - return true; - case 'nth': - var first = match[2], last = match[3]; - - if ( first == 1 && last == 0 ) { - return true; - } - - var doneName = match[0], - parent = elem.parentNode; + }); + return dimensions; + }, - if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) { - var count = 0; - for ( node = parent.firstChild; node; node = node.nextSibling ) { - if ( node.nodeType === 1 ) { - node.nodeIndex = ++count; - } - } - parent.sizcache = doneName; - } + getWidth: function() { + return this.getDimensions().width; + }, - var diff = elem.nodeIndex - last; - if ( first == 0 ) { - return diff == 0; - } else { - return ( diff % first == 0 && diff / first >= 0 ); - } - } - }, - ID: function(elem, match){ - return elem.nodeType === 1 && elem.getAttribute("id") === match; - }, - TAG: function(elem, match){ - return (match === "*" && elem.nodeType === 1) || elem.nodeName === match; - }, - CLASS: function(elem, match){ - return (" " + (elem.className || elem.getAttribute("class")) + " ") - .indexOf( match ) > -1; - }, - ATTR: function(elem, match){ - var name = match[1], - result = Expr.attrHandle[ name ] ? - Expr.attrHandle[ name ]( elem ) : - elem[ name ] != null ? - elem[ name ] : - elem.getAttribute( name ), - value = result + "", - type = match[2], - check = match[4]; - - return result == null ? - type === "!=" : - type === "=" ? - value === check : - type === "*=" ? - value.indexOf(check) >= 0 : - type === "~=" ? - (" " + value + " ").indexOf(check) >= 0 : - !check ? - value && result !== false : - type === "!=" ? - value != check : - type === "^=" ? - value.indexOf(check) === 0 : - type === "$=" ? - value.substr(value.length - check.length) === check : - type === "|=" ? - value === check || value.substr(0, check.length + 1) === check + "-" : - false; - }, - POS: function(elem, match, i, array){ - var name = match[2], filter = Expr.setFilters[ name ]; + getHeight: function() { + return this.getDimensions().height; + }, - if ( filter ) { - return filter( elem, i, match, array ); - } - } + 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 Selector = Class.create({ + initialize: function(expression) { + this.expression = expression.strip(); + + if (this.shouldUseSelectorsAPI()) { + this.mode = 'selectorsAPI'; + } else if (this.shouldUseXPath()) { + this.mode = 'xpath'; + this.compileXPathMatcher(); + } else { + this.mode = "normal"; + this.compileMatcher(); + } -var origPOS = Expr.match.POS; + }, -for ( var type in Expr.match ) { - Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source ); - Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source ); -} + shouldUseXPath: function() { + if (!Prototype.BrowserFeatures.XPath) return false; -var makeArray = function(array, results) { - array = Array.prototype.slice.call( array, 0 ); + var e = this.expression; - if ( results ) { - results.push.apply( results, array ); - return results; - } + // Safari 3 chokes on :*-of-type and :empty + if (Prototype.Browser.WebKit && + (e.include("-of-type") || e.include(":empty"))) + return false; - return array; -}; + // XPath can't do namespaced attributes, nor can it read + // the "checked" property from DOM nodes + if ((/(\[[\w-]*?:|:checked)/).test(e)) + return false; + + return true; + }, -try { - Array.prototype.slice.call( document.documentElement.childNodes, 0 ); + shouldUseSelectorsAPI: function() { + if (!Prototype.BrowserFeatures.SelectorsAPI) return false; -} catch(e){ - makeArray = function(array, results) { - var ret = results || []; + if (!Selector._div) Selector._div = new Element('div'); - if ( toString.call(array) === "[object Array]" ) { - Array.prototype.push.apply( ret, array ); - } else { - if ( typeof array.length === "number" ) { - for ( var i = 0, l = array.length; i < l; i++ ) { - ret.push( array[i] ); - } - } else { - for ( var i = 0; array[i]; i++ ) { - ret.push( array[i] ); - } - } + // Make sure the browser treats the selector as valid. Test on an + // isolated element to minimize cost of this check. + try { + Selector._div.querySelector(this.expression); + } catch(e) { + return false; } - return ret; - }; -} + return true; + }, -var sortOrder; + compileMatcher: function() { + var e = this.expression, ps = Selector.patterns, h = Selector.handlers, + c = Selector.criteria, le, p, m; -if ( document.documentElement.compareDocumentPosition ) { - sortOrder = function( a, b ) { - if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) { - if ( a == b ) { - hasDuplicate = true; - } - return 0; + if (Selector._cache[e]) { + this.matcher = Selector._cache[e]; + return; } - var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1; - if ( ret === 0 ) { - hasDuplicate = true; - } - return ret; - }; -} else if ( "sourceIndex" in document.documentElement ) { - sortOrder = function( a, b ) { - if ( !a.sourceIndex || !b.sourceIndex ) { - if ( a == b ) { - hasDuplicate = true; - } - return 0; - } + this.matcher = ["this.matcher = function(root) {", + "var r = root, h = Selector.handlers, c = false, n;"]; - var ret = a.sourceIndex - b.sourceIndex; - if ( ret === 0 ) { - hasDuplicate = true; - } - return ret; - }; -} else if ( document.createRange ) { - sortOrder = function( a, b ) { - if ( !a.ownerDocument || !b.ownerDocument ) { - if ( a == b ) { - hasDuplicate = true; + 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; + } } - return 0; } - var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange(); - aRange.setStart(a, 0); - aRange.setEnd(a, 0); - bRange.setStart(b, 0); - bRange.setEnd(b, 0); - var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange); - if ( ret === 0 ) { - hasDuplicate = true; - } - return ret; - }; -} + this.matcher.push("return h.unique(n);\n}"); + eval(this.matcher.join('\n')); + Selector._cache[this.expression] = this.matcher; + }, -(function(){ - var form = document.createElement("div"), - id = "script" + (new Date).getTime(); - form.innerHTML = ""; + compileXPathMatcher: function() { + var e = this.expression, ps = Selector.patterns, + x = Selector.xpath, le, m; - var root = document.documentElement; - root.insertBefore( form, root.firstChild ); + if (Selector._cache[e]) { + this.xpath = Selector._cache[e]; return; + } - if ( !!document.getElementById( id ) ) { - Expr.find.ID = function(match, context, isXML){ - if ( typeof context.getElementById !== "undefined" && !isXML ) { - var m = context.getElementById(match[1]); - return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : []; + 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; + } } - }; + } - Expr.filter.ID = function(elem, match){ - var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); - return elem.nodeType === 1 && node && node.nodeValue === match; - }; - } + this.xpath = this.matcher.join(''); + Selector._cache[this.expression] = this.xpath; + }, - root.removeChild( form ); - root = form = null; // release memory in IE -})(); + findElements: function(root) { + root = root || document; + var e = this.expression, results; -(function(){ + switch (this.mode) { + case 'selectorsAPI': + // querySelectorAll queries document-wide, then filters to descendants + // of the context element. That's not what we want. + // Add an explicit context to the selector if necessary. + if (root !== document) { + var oldId = root.id, id = $(root).identify(); + e = "#" + id + " " + e; + } + + results = $A(root.querySelectorAll(e)).map(Element.extend); + root.id = oldId; - var div = document.createElement("div"); - div.appendChild( document.createComment("") ); + return results; + case 'xpath': + return document._getElementsByXPath(this.xpath, root); + default: + return this.matcher(root); + } + }, - if ( div.getElementsByTagName("*").length > 0 ) { - Expr.find.TAG = function(match, context){ - var results = context.getElementsByTagName(match[1]); + match: function(element) { + this.tokens = []; - if ( match[1] === "*" ) { - var tmp = []; + var e = this.expression, ps = Selector.patterns, as = Selector.assertions; + var le, p, m; - for ( var i = 0; results[i]; i++ ) { - if ( results[i].nodeType === 1 ) { - tmp.push( results[i] ); + 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); } } + } + } - results = tmp; + 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; + }, - div.innerHTML = ""; - if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" && - div.firstChild.getAttribute("href") !== "#" ) { - Expr.attrHandle.href = function(elem){ - return elem.getAttribute("href", 2); - }; + toString: function() { + return this.expression; + }, + + inspect: function() { + return "#"; } +}); - div = null; // release memory in IE -})(); +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("[@#{1}]").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)]", + 'checked': "[@checked]", + 'disabled': "[(@disabled) and (@type!='hidden')]", + 'enabled': "[not(@disabled) and (@type!='hidden')]", + '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+)$/)) // digit only + return '[' + fragment + "= " + mm[1] + ']'; + if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (mm[1] == "-") mm[1] = -1; + var a = mm[1] ? Number(mm[1]) : 1; + var b = mm[2] ? Number(mm[2]) : 0; + predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + + "((#{fragment} - #{b}) div #{a} >= 0)]"; + return new Template(predicate).evaluate({ + fragment: fragment, a: a, b: b }); + } + } + } + }, + + criteria: { + tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', + className: 'n = h.className(n, r, "#{1}", c); c = false;', + id: 'n = h.id(n, r, "#{1}", c); c = false;', + attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', + attr: function(m) { + m[3] = (m[5] || m[6]); + return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); + }, + pseudo: function(m) { + if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); + return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); + }, + descendant: 'c = "descendant";', + child: 'c = "child";', + adjacent: 'c = "adjacent";', + laterSibling: 'c = "laterSibling";' + }, + + patterns: { + // combinators must be listed first + // (and descendant needs to be last combinator) + laterSibling: /^\s*~\s*/, + child: /^\s*>\s*/, + adjacent: /^\s*\+\s*/, + descendant: /^\s/, + + // selectors follow + tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, + 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: /^\[((?:[\w]+:)?[\w]+)\]/, + attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ + }, + + // for Selector.match and Element#match + assertions: { + tagName: function(element, matches) { + return matches[1].toUpperCase() == element.tagName.toUpperCase(); + }, -if ( document.querySelectorAll ) (function(){ - var oldSizzle = Sizzle, div = document.createElement("div"); - div.innerHTML = "

"; + className: function(element, matches) { + return Element.hasClassName(element, matches[1]); + }, - if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) { - return; - } + id: function(element, matches) { + return element.id === matches[1]; + }, - Sizzle = function(query, context, extra, seed){ - context = context || document; + attrPresence: function(element, matches) { + return Element.hasAttribute(element, matches[1]); + }, - if ( !seed && context.nodeType === 9 && !isXML(context) ) { - try { - return makeArray( context.querySelectorAll(query), extra ); - } catch(e){} + attr: function(element, matches) { + var nodeValue = Element.readAttribute(element, matches[1]); + return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); } + }, - return oldSizzle(query, context, extra, seed); - }; + handlers: { + // UTILITY FUNCTIONS + // joins two collections + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + a.push(node); + return a; + }, - for ( var prop in oldSizzle ) { - Sizzle[ prop ] = oldSizzle[ prop ]; - } + // 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; + }, - div = null; // release memory in IE -})(); + unmark: function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = undefined; + return nodes; + }, -if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){ - var div = document.createElement("div"); - div.innerHTML = "
"; + // 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++; + } + }, - if ( div.getElementsByClassName("e").length === 0 ) - return; + // 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); + }, - div.lastChild.className = "e"; + // 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 ( div.getElementsByClassName("e").length === 1 ) - return; + 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; + }, - Expr.order.splice(1, 0, "CLASS"); - Expr.find.CLASS = function(match, context, isXML) { - if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) { - return context.getElementsByClassName(match[1]); - } - }; + 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; + }, - div = null; // release memory in IE -})(); + 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; + }, -function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { - var sibDir = dir == "previousSibling" && !isXML; - for ( var i = 0, l = checkSet.length; i < l; i++ ) { - var elem = checkSet[i]; - if ( elem ) { - if ( sibDir && elem.nodeType === 1 ){ - elem.sizcache = doneName; - elem.sizset = i; - } - elem = elem[dir]; - var match = false; + nextElementSibling: function(node) { + while (node = node.nextSibling) + if (node.nodeType == 1) return node; + return null; + }, - while ( elem ) { - if ( elem.sizcache === doneName ) { - match = checkSet[elem.sizset]; - break; - } + previousElementSibling: function(node) { + while (node = node.previousSibling) + if (node.nodeType == 1) return node; + return null; + }, - if ( elem.nodeType === 1 && !isXML ){ - elem.sizcache = doneName; - elem.sizset = i; + // 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); + }, - if ( elem.nodeName === cur ) { - match = elem; - break; + 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); } - - elem = elem[dir]; + for (var i = 0, node; node = nodes[i]; i++) + if (node == targetNode) return [targetNode]; + return []; } + return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; + }, - checkSet[i] = match; - } - } -} + className: function(nodes, root, className, combinator) { + if (nodes && combinator) nodes = this[combinator](nodes); + return Selector.handlers.byClassName(nodes, root, className); + }, -function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { - var sibDir = dir == "previousSibling" && !isXML; - for ( var i = 0, l = checkSet.length; i < l; i++ ) { - var elem = checkSet[i]; - if ( elem ) { - if ( sibDir && elem.nodeType === 1 ) { - elem.sizcache = doneName; - elem.sizset = i; + 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); } - elem = elem[dir]; - var match = false; - - while ( elem ) { - if ( elem.sizcache === doneName ) { - match = checkSet[elem.sizset]; - break; - } - - if ( elem.nodeType === 1 ) { - if ( !isXML ) { - elem.sizcache = doneName; - elem.sizset = i; - } - if ( typeof cur !== "string" ) { - if ( elem === cur ) { - match = true; - break; - } + return results; + }, - } else if ( Sizzle.filter( cur, [elem] ).length > 0 ) { - match = elem; - break; - } - } + 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; + }, - elem = elem[dir]; + 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; + }, - checkSet[i] = match; + 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); } - } -} + }, -var contains = document.compareDocumentPosition ? function(a, b){ - return a.compareDocumentPosition(b) & 16; -} : function(a, b){ - return a !== b && (a.contains ? a.contains(b) : true); -}; + 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); + }, -var isXML = function(elem){ - return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || - !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML"; -}; + // handles the an+b logic + getIndices: function(a, b, total) { + if (a == 0) return b > 0 ? [b] : []; + return $R(1, total).inject([], function(memo, i) { + if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); + return memo; + }); + }, -var posProcess = function(selector, context){ - var tmpSet = [], later = "", match, - root = context.nodeType ? [context] : context; + // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type + nth: function(nodes, formula, root, reverse, ofType) { + if (nodes.length == 0) return []; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + var h = Selector.handlers, results = [], indexed = [], m; + h.mark(nodes); + for (var i = 0, node; node = nodes[i]; i++) { + if (!node.parentNode._countedByPrototype) { + h.index(node.parentNode, reverse, ofType); + indexed.push(node.parentNode); + } + } + if (formula.match(/^\d+$/)) { // 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; + }, - while ( (match = Expr.match.PSEUDO.exec( selector )) ) { - later += match[0]; - selector = selector.replace( Expr.match.PSEUDO, "" ); - } + '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) continue; + results.push(node); + } + return results; + }, - selector = Expr.relative[selector] ? selector + "*" : selector; + '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; + }, - for ( var i = 0, l = root.length; i < l; i++ ) { - Sizzle( selector, root[i], tmpSet ); - } + 'enabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node.disabled && (!node.type || node.type !== 'hidden')) + results.push(node); + return results; + }, - return Sizzle.filter( later, tmpSet ); -}; + '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; + } + }, -window.Sizzle = Sizzle; + operators: { + '=': function(nv, v) { return nv == v; }, + '!=': function(nv, v) { return nv != v; }, + '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); }, + '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); }, + '*=': function(nv, v) { return nv == v || nv && nv.include(v); }, + '$=': 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() + '-'); } + }, -})(); + split: function(expression) { + var expressions = []; + expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { + expressions.push(m[1].strip()); + }); + return expressions; + }, -;(function(engine) { - var extendElements = Prototype.Selector.extendElements; + matchElements: function(elements, expression) { + var matches = $$(expression), h = Selector.handlers; + h.mark(matches); + for (var i = 0, results = [], element; element = elements[i]; i++) + if (element._countedByPrototype) results.push(element); + h.unmark(matches); + return results; + }, - function select(selector, scope) { - return extendElements(engine(selector, scope || document)); - } + findElement: function(elements, expression, index) { + if (Object.isNumber(expression)) { + index = expression; expression = false; + } + return Selector.matchElements(elements, expression || '*')[index || 0]; + }, - function match(element, selector) { - return engine.matches(selector, [element]).length == 1; + findChildElements: function(element, expressions) { + expressions = Selector.split(expressions.join(',')); + var results = [], h = Selector.handlers; + for (var i = 0, l = expressions.length, selector; i < l; i++) { + selector = new Selector(expressions[i].strip()); + h.concat(results, selector.findElements(element)); + } + return (l > 1) ? h.unique(results) : results; } +}); - Prototype.Selector.engine = engine; - Prototype.Selector.select = select; - Prototype.Selector.match = match; -})(Sizzle); +if (Prototype.Browser.IE) { + Object.extend(Selector.handlers, { + // IE returns comment nodes on getElementsByTagName("*"). + // Filter them out. + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + if (node.tagName !== "!") a.push(node); + return a; + }, -window.Sizzle = Prototype._original_property; -delete Prototype._original_property; + // IE improperly serializes _countedByPrototype in (inner|outer)HTML. + unmark: function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node.removeAttribute('_countedByPrototype'); + return nodes; + } + }); +} +function $$() { + return Selector.findChildElements(document, $A(arguments)); +} var Form = { reset: function(form) { - form = $(form); - form.reset(); + $(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, accumulator, initial; - - if (options.hash) { - initial = {}; - accumulator = function(result, key, value) { - if (key in result) { - if (!Object.isArray(result[key])) result[key] = [result[key]]; - result[key].push(value); - } else result[key] = value; - return result; - }; - } else { - initial = ''; - accumulator = function(result, key, value) { - return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + encodeURIComponent(value); - } - } + var key, value, submitted = false, submit = options.submit; - return elements.inject(initial, function(result, element) { + var data = elements.inject({ }, function(result, element) { if (!element.disabled && element.name) { key = element.name; value = $(element).getValue(); if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted && submit !== false && (!submit || key == submit) && (submitted = true)))) { - result = accumulator(result, key, value); + 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); } }; @@ -5006,19 +3479,14 @@ Form.Methods = { return Form.serializeElements(Form.getElements(form), options); }, - getElements: function(form) { - var elements = $(form).getElementsByTagName('*'), - element, - arr = [ ], - serializers = Form.Element.Serializers; - for (var i = 0; element = elements[i]; i++) { - arr.push(element); - } - return arr.inject([], function(elements, child) { - if (serializers[child.tagName.toLowerCase()]) - elements.push(Element.extend(child)); - return elements; - }) + 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) { @@ -5058,14 +3526,13 @@ Form.Methods = { }).sortBy(function(element) { return element.tabIndex }).first(); return firstByIndex ? firstByIndex : elements.find(function(element) { - return /^(?:input|select|textarea)$/i.test(element.tagName); + return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); }); }, focusFirstElement: function(form) { form = $(form); - var element = form.findFirstElement(); - if (element) element.activate(); + form.findFirstElement().activate(); return form; }, @@ -5090,7 +3557,6 @@ Form.Methods = { /*--------------------------------------------------------------------------*/ - Form.Element = { focus: function(element) { $(element).focus(); @@ -5104,7 +3570,6 @@ Form.Element = { }; Form.Element.Methods = { - serialize: function(element) { element = $(element); if (!element.disabled && element.name) { @@ -5145,7 +3610,7 @@ Form.Element.Methods = { try { element.focus(); if (element.select && (element.tagName.toLowerCase() != 'input' || - !(/^(?:button|reset|submit)$/i.test(element.type)))) + !['button', 'reset', 'submit'].include(element.type))) element.select(); } catch (e) { } return element; @@ -5167,86 +3632,75 @@ Form.Element.Methods = { /*--------------------------------------------------------------------------*/ var Field = Form.Element; - var $F = Form.Element.Methods.getValue; /*--------------------------------------------------------------------------*/ -Form.Element.Serializers = (function() { - function input(element, value) { +Form.Element.Serializers = { + input: function(element, value) { switch (element.type.toLowerCase()) { case 'checkbox': case 'radio': - return inputSelector(element, value); + return Form.Element.Serializers.inputSelector(element, value); default: - return valueSelector(element, value); + return Form.Element.Serializers.textarea(element, value); } - } + }, - function inputSelector(element, value) { - if (Object.isUndefined(value)) - return element.checked ? element.value : null; + inputSelector: function(element, value) { + if (Object.isUndefined(value)) return element.checked ? element.value : null; else element.checked = !!value; - } + }, - function valueSelector(element, value) { + textarea: function(element, value) { if (Object.isUndefined(value)) return element.value; else element.value = value; - } + }, - function select(element, value) { + select: function(element, value) { if (Object.isUndefined(value)) - return (element.type === 'select-one' ? selectOne : selectMany)(element); - - var opt, currentValue, single = !Object.isArray(value); - for (var i = 0, length = element.length; i < length; i++) { - opt = element.options[i]; - currentValue = this.optionValue(opt); - if (single) { - if (currentValue == value) { - opt.selected = true; - return; + return this[element.type == 'select-one' ? + 'selectOne' : 'selectMany'](element); + else { + var opt, currentValue, single = !Object.isArray(value); + for (var i = 0, length = element.length; i < length; i++) { + opt = element.options[i]; + currentValue = this.optionValue(opt); + if (single) { + if (currentValue == value) { + opt.selected = true; + return; + } } + else opt.selected = value.include(currentValue); } - else opt.selected = value.include(currentValue); } - } + }, - function selectOne(element) { + selectOne: function(element) { var index = element.selectedIndex; - return index >= 0 ? optionValue(element.options[index]) : null; - } + return index >= 0 ? this.optionValue(element.options[index]) : null; + }, - function selectMany(element) { + selectMany: function(element) { 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) values.push(optionValue(opt)); + if (opt.selected) values.push(this.optionValue(opt)); } return values; - } + }, - function optionValue(opt) { - return Element.hasAttribute(opt, 'value') ? opt.value : opt.text; + optionValue: function(opt) { + // extend element because hasAttribute may not be native + return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; } - - return { - input: input, - inputSelector: inputSelector, - textarea: valueSelector, - select: select, - selectOne: selectOne, - selectMany: selectMany, - optionValue: optionValue, - button: valueSelector - }; -})(); +}; /*--------------------------------------------------------------------------*/ - Abstract.TimedObserver = Class.create(PeriodicalExecuter, { initialize: function($super, element, frequency, callback) { $super(callback, frequency); @@ -5328,527 +3782,354 @@ Form.EventObserver = Class.create(Abstract.EventObserver, { return Form.serialize(this.element); } }); -(function() { - - var Event = { - KEY_BACKSPACE: 8, - KEY_TAB: 9, - KEY_RETURN: 13, - KEY_ESC: 27, - KEY_LEFT: 37, - KEY_UP: 38, - KEY_RIGHT: 39, - KEY_DOWN: 40, - KEY_DELETE: 46, - KEY_HOME: 36, - KEY_END: 35, - KEY_PAGEUP: 33, - KEY_PAGEDOWN: 34, - KEY_INSERT: 45, - - cache: {} - }; - - var docEl = document.documentElement; - var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl - && 'onmouseleave' in docEl; - - - - var isIELegacyEvent = function(event) { return false; }; - - if (window.attachEvent) { - if (window.addEventListener) { - isIELegacyEvent = function(event) { - return !(event instanceof window.Event); - }; - } else { - isIELegacyEvent = function(event) { return true; }; - } - } - - var _isButton; - - function _isButtonForDOMEvents(event, code) { - return event.which ? (event.which === code + 1) : (event.button === code); +if (!window.Event) var Event = { }; + +Object.extend(Event, { + KEY_BACKSPACE: 8, + KEY_TAB: 9, + KEY_RETURN: 13, + KEY_ESC: 27, + KEY_LEFT: 37, + KEY_UP: 38, + KEY_RIGHT: 39, + KEY_DOWN: 40, + KEY_DELETE: 46, + KEY_HOME: 36, + KEY_END: 35, + KEY_PAGEUP: 33, + KEY_PAGEDOWN: 34, + KEY_INSERT: 45, + + cache: { }, + + 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); } +}); - var legacyButtonMap = { 0: 1, 1: 4, 2: 2 }; - function _isButtonForLegacyEvents(event, code) { - return event.button === legacyButtonMap[code]; - } +Event.Methods = (function() { + var isButton; - function _isButtonForWebKit(event, code) { - switch (code) { - case 0: return event.which == 1 && !event.metaKey; - case 1: return event.which == 2 || (event.which == 1 && event.metaKey); - case 2: return event.which == 3; - default: return false; - } - } + if (Prototype.Browser.IE) { + var buttonMap = { 0: 1, 1: 4, 2: 2 }; + isButton = function(event, code) { + return event.button == buttonMap[code]; + }; - if (window.attachEvent) { - if (!window.addEventListener) { - _isButton = _isButtonForLegacyEvents; - } else { - _isButton = function(event, code) { - return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) : - _isButtonForDOMEvents(event, code); - } - } } else if (Prototype.Browser.WebKit) { - _isButton = _isButtonForWebKit; - } else { - _isButton = _isButtonForDOMEvents; - } - - function isLeftClick(event) { return _isButton(event, 0) } - - function isMiddleClick(event) { return _isButton(event, 1) } - - function isRightClick(event) { return _isButton(event, 2) } - - function element(event) { - event = Event.extend(event); - - var node = event.target, type = event.type, - currentTarget = event.currentTarget; - - if (currentTarget && currentTarget.tagName) { - if (type === 'load' || type === 'error' || - (type === 'click' && currentTarget.tagName.toLowerCase() === 'input' - && currentTarget.type === 'radio')) - node = currentTarget; - } - - if (node.nodeType == Node.TEXT_NODE) - node = node.parentNode; - - return Element.extend(node); - } - - function findElement(event, expression) { - var element = Event.element(event); - - if (!expression) return element; - while (element) { - if (Object.isElement(element) && Prototype.Selector.match(element, expression)) { - return Element.extend(element); + 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; } - element = element.parentNode; - } - } - - function pointer(event) { - return { x: pointerX(event), y: pointerY(event) }; - } - - function pointerX(event) { - var docElement = document.documentElement, - body = document.body || { scrollLeft: 0 }; - - return event.pageX || (event.clientX + - (docElement.scrollLeft || body.scrollLeft) - - (docElement.clientLeft || 0)); - } - - function pointerY(event) { - var docElement = document.documentElement, - body = document.body || { scrollTop: 0 }; - - return event.pageY || (event.clientY + - (docElement.scrollTop || body.scrollTop) - - (docElement.clientTop || 0)); - } - - - function stop(event) { - Event.extend(event); - event.preventDefault(); - event.stopPropagation(); + }; - event.stopped = true; + } 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) { + event = Event.extend(event); + + var node = event.target, + type = event.type, + currentTarget = event.currentTarget; + + if (currentTarget && currentTarget.tagName) { + // Firefox screws up the "click" event when moving between radio buttons + // via arrow keys. It also screws up the "load" and "error" events on images, + // reporting the document as the target instead of the original image. + if (type === 'load' || type === 'error' || + (type === 'click' && currentTarget.tagName.toLowerCase() === 'input' + && currentTarget.type === 'radio')) + node = currentTarget; + } + if (node.nodeType == Node.TEXT_NODE) node = node.parentNode; + return Element.extend(node); + }, - Event.Methods = { - isLeftClick: isLeftClick, - isMiddleClick: isMiddleClick, - isRightClick: isRightClick, + 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); + }, - element: element, - findElement: findElement, + pointer: function(event) { + var docElement = document.documentElement, + body = document.body || { scrollLeft: 0, scrollTop: 0 }; + return { + x: event.pageX || (event.clientX + + (docElement.scrollLeft || body.scrollLeft) - + (docElement.clientLeft || 0)), + y: event.pageY || (event.clientY + + (docElement.scrollTop || body.scrollTop) - + (docElement.clientTop || 0)) + }; + }, - pointer: pointer, - pointerX: pointerX, - pointerY: pointerY, + pointerX: function(event) { return Event.pointer(event).x }, + pointerY: function(event) { return Event.pointer(event).y }, - stop: stop + stop: function(event) { + Event.extend(event); + event.preventDefault(); + event.stopPropagation(); + event.stopped = true; + } }; +})(); +Event.extend = (function() { var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { m[name] = Event.Methods[name].methodize(); return m; }); - if (window.attachEvent) { - function _relatedTarget(event) { - var element; - switch (event.type) { - case 'mouseover': - case 'mouseenter': - element = event.fromElement; - break; - case 'mouseout': - case 'mouseleave': - element = event.toElement; - break; - default: - return null; - } - return Element.extend(element); - } - - var additionalMethods = { + if (Prototype.Browser.IE) { + Object.extend(methods, { stopPropagation: function() { this.cancelBubble = true }, preventDefault: function() { this.returnValue = false }, - inspect: function() { return '[object Event]' } - }; + inspect: function() { return "[object Event]" } + }); - Event.extend = function(event, element) { + return function(event) { if (!event) return false; - - if (!isIELegacyEvent(event)) return event; - if (event._extendedByPrototype) return event; - event._extendedByPrototype = Prototype.emptyFunction; + event._extendedByPrototype = Prototype.emptyFunction; var pointer = Event.pointer(event); - Object.extend(event, { - target: event.srcElement || element, - relatedTarget: _relatedTarget(event), + target: event.srcElement, + relatedTarget: Event.relatedTarget(event), pageX: pointer.x, pageY: pointer.y }); - - Object.extend(event, methods); - Object.extend(event, additionalMethods); - - return event; + return Object.extend(event, methods); }; - } else { - Event.extend = Prototype.K; - } - if (window.addEventListener) { - Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__; + } else { + Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__']; Object.extend(Event.prototype, methods); + return Prototype.K; } +})(); - function _createResponder(element, eventName, handler) { - var registry = Element.retrieve(element, 'prototype_event_registry'); +Object.extend(Event, (function() { + var cache = Event.cache; - if (Object.isUndefined(registry)) { - CACHE.push(element); - registry = Element.retrieve(element, 'prototype_event_registry', $H()); - } + function getEventID(element) { + if (element._prototypeEventID) return element._prototypeEventID[0]; + arguments.callee.id = arguments.callee.id || 1; + return element._prototypeEventID = [++arguments.callee.id]; + } - var respondersForEvent = registry.get(eventName); - if (Object.isUndefined(respondersForEvent)) { - respondersForEvent = []; - registry.set(eventName, respondersForEvent); - } + function getDOMEventName(eventName) { + if (eventName && eventName.include(':')) return "dataavailable"; + return eventName; + } - if (respondersForEvent.pluck('handler').include(handler)) return false; + function getCacheForID(id) { + return cache[id] = cache[id] || { }; + } - var responder; - if (eventName.include(":")) { - responder = function(event) { - if (Object.isUndefined(event.eventName)) - return false; + 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; - if (event.eventName !== eventName) + var wrapper = function(event) { + if (!Event || !Event.extend || + (event.eventName && event.eventName != eventName)) return false; - Event.extend(event, element); - handler.call(element, event); - }; - } else { - if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED && - (eventName === "mouseenter" || eventName === "mouseleave")) { - if (eventName === "mouseenter" || eventName === "mouseleave") { - responder = function(event) { - Event.extend(event, element); - - var parent = event.relatedTarget; - while (parent && parent !== element) { - try { parent = parent.parentNode; } - catch(e) { parent = element; } - } + Event.extend(event); + handler.call(element, event); + }; - if (parent === element) return; + wrapper.handler = handler; + c.push(wrapper); + return wrapper; + } - handler.call(element, event); - }; - } - } else { - responder = function(event) { - Event.extend(event, element); - handler.call(element, event); - }; - } - } + function findWrapper(id, eventName, handler) { + var c = getWrappersForEventName(id, eventName); + return c.find(function(wrapper) { return wrapper.handler == handler }); + } - responder.handler = handler; - respondersForEvent.push(responder); - return responder; + 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 i = 0, length = CACHE.length; i < length; i++) { - Event.stopObserving(CACHE[i]); - CACHE[i] = null; - } + function destroyCache() { + for (var id in cache) + for (var eventName in cache[id]) + cache[id][eventName] = null; } - var CACHE = []; - if (Prototype.Browser.IE) - window.attachEvent('onunload', _destroyCache); + // Internet Explorer needs to remove event handlers on page unload + // in order to avoid memory leaks. + if (window.attachEvent) { + window.attachEvent("onunload", destroyCache); + } - if (Prototype.Browser.WebKit) + // Safari has a dummy event handler on page unload so that it won't + // use its bfcache. Safari <= 3.1 has an issue with restoring the "document" + // object when page is returned to via the back button using its bfcache. + if (Prototype.Browser.WebKit) { window.addEventListener('unload', Prototype.emptyFunction, false); - - - var _getDOMEventName = Prototype.K, - translations = { mouseenter: "mouseover", mouseleave: "mouseout" }; - - if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) { - _getDOMEventName = function(eventName) { - return (translations[eventName] || eventName); - }; } - function observe(element, eventName, handler) { - element = $(element); - - var responder = _createResponder(element, eventName, handler); + return { + observe: function(element, eventName, handler) { + element = $(element); + var name = getDOMEventName(eventName); - if (!responder) return element; + var wrapper = createWrapper(element, eventName, handler); + if (!wrapper) return element; - if (eventName.include(':')) { - if (element.addEventListener) - element.addEventListener("dataavailable", responder, false); - else { - element.attachEvent("ondataavailable", responder); - element.attachEvent("onlosecapture", responder); + if (element.addEventListener) { + element.addEventListener(name, wrapper, false); + } else { + element.attachEvent("on" + name, wrapper); } - } else { - var actualEventName = _getDOMEventName(eventName); - - if (element.addEventListener) - element.addEventListener(actualEventName, responder, false); - else - element.attachEvent("on" + actualEventName, responder); - } - - return element; - } - function stopObserving(element, eventName, handler) { - element = $(element); - - var registry = Element.retrieve(element, 'prototype_event_registry'); - if (!registry) return element; - - if (!eventName) { - registry.each( function(pair) { - var eventName = pair.key; - stopObserving(element, eventName); - }); return element; - } + }, - var responders = registry.get(eventName); - if (!responders) return element; + stopObserving: function(element, eventName, handler) { + element = $(element); + var id = getEventID(element), name = getDOMEventName(eventName); - if (!handler) { - responders.each(function(r) { - stopObserving(element, eventName, r.handler); - }); - return element; - } + if (!handler && eventName) { + getWrappersForEventName(id, eventName).each(function(wrapper) { + element.stopObserving(eventName, wrapper.handler); + }); + return element; - var i = responders.length, responder; - while (i--) { - if (responders[i].handler === handler) { - responder = responders[i]; - break; - } - } - if (!responder) return element; - - if (eventName.include(':')) { - if (element.removeEventListener) - element.removeEventListener("dataavailable", responder, false); - else { - element.detachEvent("ondataavailable", responder); - element.detachEvent("onlosecapture", responder); + } else if (!eventName) { + Object.keys(getCacheForID(id)).each(function(eventName) { + element.stopObserving(eventName); + }); + return element; } - } else { - var actualEventName = _getDOMEventName(eventName); - if (element.removeEventListener) - element.removeEventListener(actualEventName, responder, false); - else - element.detachEvent('on' + actualEventName, responder); - } - - registry.set(eventName, responders.without(responder)); - - return element; - } - - function fire(element, eventName, memo, bubble) { - element = $(element); - if (Object.isUndefined(bubble)) - bubble = true; + var wrapper = findWrapper(id, eventName, handler); + if (!wrapper) return element; - if (element == document && document.createEvent && !element.dispatchEvent) - element = document.documentElement; - - var event; - if (document.createEvent) { - event = document.createEvent('HTMLEvents'); - event.initEvent('dataavailable', bubble, true); - } else { - event = document.createEventObject(); - event.eventType = bubble ? 'ondataavailable' : 'onlosecapture'; - } - - event.eventName = eventName; - event.memo = memo || { }; - - if (document.createEvent) - element.dispatchEvent(event); - else - element.fireEvent(event.eventType, event); - - return Event.extend(event); - } - - Event.Handler = Class.create({ - initialize: function(element, eventName, selector, callback) { - this.element = $(element); - this.eventName = eventName; - this.selector = selector; - this.callback = callback; - this.handler = this.handleEvent.bind(this); - }, + if (element.removeEventListener) { + element.removeEventListener(name, wrapper, false); + } else { + element.detachEvent("on" + name, wrapper); + } - start: function() { - Event.observe(this.element, this.eventName, this.handler); - return this; - }, + destroyWrapper(id, eventName, handler); - stop: function() { - Event.stopObserving(this.element, this.eventName, this.handler); - return this; + return element; }, - handleEvent: function(event) { - var element = Event.findElement(event, this.selector); - if (element) this.callback.call(this.element, event, element); - } - }); - - function on(element, eventName, selector, callback) { - element = $(element); - if (Object.isFunction(selector) && Object.isUndefined(callback)) { - callback = selector, selector = null; - } - - return new Event.Handler(element, eventName, selector, callback).start(); - } - - Object.extend(Event, Event.Methods); - - Object.extend(Event, { - fire: fire, - observe: observe, - stopObserving: stopObserving, - on: on - }); - - Element.addMethods({ - fire: fire, - - observe: observe, - - stopObserving: stopObserving, + fire: function(element, eventName, memo) { + element = $(element); + if (element == document && document.createEvent && !element.dispatchEvent) + element = document.documentElement; - on: on - }); + var event; + if (document.createEvent) { + event = document.createEvent("HTMLEvents"); + event.initEvent("dataavailable", true, true); + } else { + event = document.createEventObject(); + event.eventType = "ondataavailable"; + } - Object.extend(document, { - fire: fire.methodize(), + event.eventName = eventName; + event.memo = memo || { }; - observe: observe.methodize(), + if (document.createEvent) { + element.dispatchEvent(event); + } else { + element.fireEvent(event.eventType, event); + } - stopObserving: stopObserving.methodize(), + return Event.extend(event); + } + }; +})()); - on: on.methodize(), +Object.extend(Event, Event.Methods); - loaded: false - }); +Element.addMethods({ + fire: Event.fire, + observe: Event.observe, + stopObserving: Event.stopObserving +}); - if (window.Event) Object.extend(window.Event, Event); - else window.Event = Event; -})(); +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, John Resig, and Diego Perini. */ + Matthias Miller, Dean Edwards and John Resig. */ var timer; function fireContentLoadedEvent() { if (document.loaded) return; - if (timer) window.clearTimeout(timer); + if (timer) window.clearInterval(timer); + document.fire("dom:loaded"); document.loaded = true; - document.fire('dom:loaded'); } - function checkReadyState() { - if (document.readyState === 'complete') { - document.stopObserving('readystatechange', checkReadyState); - fireContentLoadedEvent(); - } - } + if (document.addEventListener) { + if (Prototype.Browser.WebKit) { + timer = window.setInterval(function() { + if (/loaded|complete/.test(document.readyState)) + fireContentLoadedEvent(); + }, 0); - function pollDoScroll() { - try { document.documentElement.doScroll('left'); } - catch(e) { - timer = pollDoScroll.defer(); - return; + Event.observe(window, "load", fireContentLoadedEvent); + + } else { + document.addEventListener("DOMContentLoaded", + fireContentLoadedEvent, false); } - fireContentLoadedEvent(); - } - if (document.addEventListener) { - document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false); } else { - document.observe('readystatechange', checkReadyState); - if (window == top) - timer = pollDoScroll.defer(); + document.write("