From 3a14bff74690eaa4547a6bb60c15089364fb7e5e Mon Sep 17 00:00:00 2001 From: Gregor Schmidt Date: Mon, 23 May 2011 09:53:41 +0200 Subject: [PATCH 1/2] [#419] Updating to Prototype 1.7 and script.aculo.us 1.9.0 --- public/javascripts/controls.js | 8 +- public/javascripts/dragdrop.js | 15 +- public/javascripts/effects.js | 21 +- public/javascripts/prototype.js | 5615 ++++++++++++++++++++----------- 4 files changed, 3709 insertions(+), 1950 deletions(-) diff --git a/public/javascripts/controls.js b/public/javascripts/controls.js index ca29aefdd1..5137ab510c 100644 --- a/public/javascripts/controls.js +++ b/public/javascripts/controls.js @@ -1,6 +1,8 @@ -// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) -// (c) 2005-2008 Ivan Krstic (http://blogs.law.harvard.edu/ivan) -// (c) 2005-2008 Jon Tirsen (http://www.tirsen.com) +// script.aculo.us controls.js v1.9.0, Thu Dec 23 16:54:48 -0500 2010 + +// Copyright (c) 2005-2010 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) +// (c) 2005-2010 Ivan Krstic (http://blogs.law.harvard.edu/ivan) +// (c) 2005-2010 Jon Tirsen (http://www.tirsen.com) // Contributors: // Richard Livsey // Rahul Bhargava diff --git a/public/javascripts/dragdrop.js b/public/javascripts/dragdrop.js index 07229f986f..9ebfe24d3c 100644 --- a/public/javascripts/dragdrop.js +++ b/public/javascripts/dragdrop.js @@ -1,5 +1,6 @@ -// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) -// (c) 2005-2008 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz) +// script.aculo.us dragdrop.js v1.9.0, Thu Dec 23 16:54:48 -0500 2010 + +// Copyright (c) 2005-2010 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) // // script.aculo.us is freely distributable under the terms of an MIT-style license. // For details, see the script.aculo.us web site: http://script.aculo.us/ @@ -311,7 +312,7 @@ var Draggable = Class.create({ tag_name=='TEXTAREA')) return; var pointer = [Event.pointerX(event), Event.pointerY(event)]; - var pos = Position.cumulativeOffset(this.element); + var pos = this.element.cumulativeOffset(); this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) }); Draggables.activate(this); @@ -373,7 +374,7 @@ var Draggable = Class.create({ if (this.options.scroll == window) { with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; } } else { - p = Position.page(this.options.scroll); + p = Position.page(this.options.scroll).toArray(); p[0] += this.options.scroll.scrollLeft + Position.deltaX; p[1] += this.options.scroll.scrollTop + Position.deltaY; p.push(p[0]+this.options.scroll.offsetWidth); @@ -454,7 +455,7 @@ var Draggable = Class.create({ }, draw: function(point) { - var pos = Position.cumulativeOffset(this.element); + var pos = this.element.cumulativeOffset(); if(this.options.ghosting) { var r = Position.realOffset(this.element); pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY; @@ -730,7 +731,7 @@ var Sortable = { } // keep reference - this.sortables[element.id] = options; + this.sortables[element.identify()] = options; // for onupdate Draggables.addObserver(new SortableObserver(element, options.onUpdate)); @@ -825,7 +826,7 @@ var Sortable = { hide().addClassName('dropmarker').setStyle({position:'absolute'}); document.getElementsByTagName("body").item(0).appendChild(Sortable._marker); } - var offsets = Position.cumulativeOffset(dropon); + var offsets = dropon.cumulativeOffset(); Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'}); if(position=='after') diff --git a/public/javascripts/effects.js b/public/javascripts/effects.js index 5a639d2dea..860ddc0932 100644 --- a/public/javascripts/effects.js +++ b/public/javascripts/effects.js @@ -1,4 +1,6 @@ -// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) +// script.aculo.us effects.js v1.9.0, Thu Dec 23 16:54:48 -0500 2010 + +// Copyright (c) 2005-2010 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) // Contributors: // Justin Palmer (http://encytemedia.com/) // Mark Pilgrim (http://diveintomark.org/) @@ -145,14 +147,13 @@ var Effect = { 'blind': ['BlindDown','BlindUp'], 'appear': ['Appear','Fade'] }, - toggle: function(element, effect) { + toggle: function(element, effect, options) { element = $(element); - effect = (effect || 'appear').toLowerCase(); - var options = Object.extend({ + effect = (effect || 'appear').toLowerCase(); + + return Effect[ Effect.PAIRS[ effect ][ element.visible() ? 1 : 0 ] ](element, Object.extend({ queue: { position:'end', scope:(element.id || 'global'), limit: 1 } - }, arguments[2] || { }); - Effect[element.visible() ? - Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options); + }, options || {})); } }; @@ -228,12 +229,6 @@ Effect.Queue = Effect.Queues.get('global'); Effect.Base = Class.create({ position: null, start: function(options) { - function codeForEvent(options,eventName){ - return ( - (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') + - (options[eventName] ? 'this.options.'+eventName+'(this);' : '') - ); - } if (options && options.transition === false) options.transition = Effect.Transitions.linear; this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { }); this.currentFrame = 0; diff --git a/public/javascripts/prototype.js b/public/javascripts/prototype.js index dfe8ab4e13..04a4779398 100644 --- a/public/javascripts/prototype.js +++ b/public/javascripts/prototype.js @@ -1,5 +1,5 @@ -/* Prototype JavaScript framework, version 1.6.0.3 - * (c) 2005-2008 Sam Stephenson +/* Prototype JavaScript framework, version 1.7 + * (c) 2005-2010 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/ @@ -7,42 +7,71 @@ *--------------------------------------------------------------------------*/ var Prototype = { - Version: '1.6.0.3', - - 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/) - }, + + 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) + } + })(), BrowserFeatures: { XPath: !!document.evaluate, + SelectorsAPI: !!document.querySelector, - ElementExtensions: !!window.HTMLElement, - SpecificElementExtensions: - document.createElement('div')['__proto__'] && - document.createElement('div')['__proto__'] !== - document.createElement('form')['__proto__'] + + 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; + })() }, ScriptFragment: ']*>([\\S\\s]*?)<\/script>', JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, emptyFunction: function() { }, + K: function(x) { return x } }; if (Prototype.Browser.MobileSafari) Prototype.BrowserFeatures.SpecificElementExtensions = false; +/* Based on Alex Arnell's inheritance implementation. */ +var Class = (function() { -/* Based on Alex Arnell's inheritance implementation. */ -var Class = { - create: function() { + var IS_DONTENUM_BUGGY = (function(){ + for (var p in { toString: 1 }) { + if (p === 'toString') return false; + } + return true; + })(); + + function subclass() {}; + function create() { var parent = null, properties = $A(arguments); if (Object.isFunction(properties[0])) parent = properties.shift(); @@ -56,39 +85,39 @@ var Class = { klass.subclasses = []; if (parent) { - var subclass = function() { }; subclass.prototype = parent.prototype; klass.prototype = new subclass; parent.subclasses.push(klass); } - for (var i = 0; i < properties.length; i++) + for (var i = 0, length = properties.length; i < length; i++) klass.addMethods(properties[i]); if (!klass.prototype.initialize) klass.prototype.initialize = Prototype.emptyFunction; klass.prototype.constructor = klass; - return klass; } -}; -Class.Methods = { - addMethods: function(source) { - var ancestor = this.superclass && this.superclass.prototype; - var properties = Object.keys(source); + function addMethods(source) { + var ancestor = this.superclass && this.superclass.prototype, + properties = Object.keys(source); - if (!Object.keys({ toString: true }).length) - properties.push("toString", "valueOf"); + if (IS_DONTENUM_BUGGY) { + if (source.toString != Object.prototype.toString) + properties.push("toString"); + if (source.valueOf != Object.prototype.valueOf) + properties.push("valueOf"); + } for (var i = 0, length = properties.length; i < length; i++) { var property = properties[i], value = source[property]; if (ancestor && Object.isFunction(value) && - value.argumentNames().first() == "$super") { + value.argumentNames()[0] == "$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); @@ -99,198 +128,338 @@ Class.Methods = { return this; } -}; -var Abstract = { }; + return { + create: create, + Methods: { + addMethods: addMethods + } + }; +})(); +(function() { -Object.extend = function(destination, source) { - for (var property in source) - destination[property] = source[property]; - return destination; -}; + 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; + } + + function extend(destination, source) { + for (var property in source) + destination[property] = source[property]; + return destination; + } -Object.extend(Object, { - inspect: function(object) { + function inspect(object) { try { - if (Object.isUndefined(object)) return 'undefined'; + if (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; } - }, + } - toJSON: function(object) { - var type = typeof object; - switch (type) { - case 'undefined': - case 'function': - case 'unknown': return; - case 'boolean': return object.toString(); + 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); } - if (object === null) return 'null'; - if (object.toJSON) return object.toJSON(); - if (Object.isElement(object)) return; + var _class = _toString.call(value); - var results = []; - for (var property in object) { - var value = Object.toJSON(object[property]); - if (!Object.isUndefined(value)) - results.push(property.toJSON() + ': ' + value); + switch (_class) { + case NUMBER_CLASS: + case BOOLEAN_CLASS: + case STRING_CLASS: + value = value.valueOf(); } - return '{' + results.join(', ') + '}'; - }, + switch (value) { + case null: return 'null'; + case true: return 'true'; + case false: return 'false'; + } + + 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); + + 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; + } + } + + function stringify(object) { + return JSON.stringify(object); + } - toQueryString: function(object) { + function toQueryString(object) { return $H(object).toQueryString(); - }, + } - toHTML: function(object) { + function toHTML(object) { return object && object.toHTML ? object.toHTML() : String.interpret(object); - }, + } - keys: function(object) { - var keys = []; - for (var property in object) - keys.push(property); - return keys; - }, + 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; + } - values: function(object) { - var values = []; + function values(object) { + var results = []; for (var property in object) - values.push(object[property]); - return values; - }, + results.push(object[property]); + return results; + } - clone: function(object) { - return Object.extend({ }, object); - }, + function clone(object) { + return extend({ }, object); + } - isElement: function(object) { + function isElement(object) { return !!(object && object.nodeType == 1); - }, + } - isArray: function(object) { - return object != null && typeof object == "object" && - 'splice' in object && 'join' in object; - }, + function isArray(object) { + return _toString.call(object) === ARRAY_CLASS; + } - isHash: function(object) { + var hasNativeIsArray = (typeof Array.isArray == 'function') + && Array.isArray([]) && !Array.isArray({}); + + if (hasNativeIsArray) { + isArray = Array.isArray; + } + + function isHash(object) { return object instanceof Hash; - }, + } - isFunction: function(object) { - return typeof object == "function"; - }, + function isFunction(object) { + return _toString.call(object) === FUNCTION_CLASS; + } - isString: function(object) { - return typeof object == "string"; - }, + function isString(object) { + return _toString.call(object) === STRING_CLASS; + } - isNumber: function(object) { - return typeof object == "number"; - }, + function isNumber(object) { + return _toString.call(object) === NUMBER_CLASS; + } - isUndefined: function(object) { - return typeof object == "undefined"; + function isDate(object) { + return _toString.call(object) === DATE_CLASS; + } + + function isUndefined(object) { + return typeof object === "undefined"; + } + + 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; + + function update(array, args) { + var arrayLength = array.length, length = args.length; + while (length--) array[arrayLength + length] = args[length]; + return array; } -}); -Object.extend(Function.prototype, { - argumentNames: function() { - var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1] + function merge(array, args) { + array = slice.call(array, 0); + return update(array, args); + } + + function argumentNames() { + var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1] + .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '') .replace(/\s+/g, '').split(','); return names.length == 1 && !names[0] ? [] : names; - }, + } - bind: function() { + function bind(context) { if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; - var __method = this, args = $A(arguments), object = args.shift(); + var __method = this, args = slice.call(arguments, 1); return function() { - return __method.apply(object, args.concat($A(arguments))); + var a = merge(args, arguments); + return __method.apply(context, a); } - }, + } - bindAsEventListener: function() { - var __method = this, args = $A(arguments), object = args.shift(); + function bindAsEventListener(context) { + var __method = this, args = slice.call(arguments, 1); return function(event) { - return __method.apply(object, [event || window.event].concat(args)); + var a = update([event || window.event], args); + return __method.apply(context, a); } - }, + } - curry: function() { + function curry() { if (!arguments.length) return this; - var __method = this, args = $A(arguments); + var __method = this, args = slice.call(arguments, 0); return function() { - return __method.apply(this, args.concat($A(arguments))); + var a = merge(args, arguments); + return __method.apply(this, a); } - }, + } - delay: function() { - var __method = this, args = $A(arguments), timeout = args.shift() * 1000; + function delay(timeout) { + var __method = this, args = slice.call(arguments, 1); + timeout = timeout * 1000; return window.setTimeout(function() { return __method.apply(__method, args); }, timeout); - }, + } - defer: function() { - var args = [0.01].concat($A(arguments)); + function defer() { + var args = update([0.01], arguments); return this.delay.apply(this, args); - }, + } - wrap: function(wrapper) { + function wrap(wrapper) { var __method = this; return function() { - return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); + var a = update([__method.bind(this)], arguments); + return wrapper.apply(this, a); } - }, + } - methodize: function() { + function methodize() { if (this._methodized) return this._methodized; var __method = this; return this._methodized = function() { - return __method.apply(null, [this].concat($A(arguments))); + var a = update([this], arguments); + return __method.apply(null, a); }; } -}); -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"'; -}; + return { + argumentNames: argumentNames, + bind: bind, + bindAsEventListener: bindAsEventListener, + curry: curry, + delay: delay, + defer: defer, + wrap: wrap, + methodize: methodize + } +})()); -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; +(function(proto) { + + + 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'; } -}; + + + function toJSON() { + return this.toISOString(); + } + + 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; @@ -319,8 +488,10 @@ var PeriodicalExecuter = Class.create({ try { this.currentlyExecuting = true; this.execute(); - } finally { this.currentlyExecuting = false; + } catch(e) { + this.currentlyExecuting = false; + throw e; } } } @@ -339,10 +510,28 @@ Object.extend(String, { } }); -Object.extend(String.prototype, { - gsub: function(pattern, replacement) { +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) { var result = '', source = this, match; - replacement = arguments.callee.prepareReplacement(replacement); + 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; + } while (source.length > 0) { if (match = source.match(pattern)) { @@ -354,76 +543,72 @@ Object.extend(String.prototype, { } } return result; - }, + } - sub: function(pattern, replacement, count) { - replacement = this.gsub.prepareReplacement(replacement); + function sub(pattern, replacement, count) { + replacement = prepareReplacement(replacement); count = Object.isUndefined(count) ? 1 : count; return this.gsub(pattern, function(match) { if (--count < 0) return match[0]; return replacement(match); }); - }, + } - scan: function(pattern, iterator) { + function scan(pattern, iterator) { this.gsub(pattern, iterator); return String(this); - }, + } - truncate: function(length, truncation) { + function truncate(length, truncation) { length = length || 30; truncation = Object.isUndefined(truncation) ? '...' : truncation; return this.length > length ? this.slice(0, length - truncation.length) + truncation : String(this); - }, + } - strip: function() { + function strip() { return this.replace(/^\s+/, '').replace(/\s+$/, ''); - }, + } - stripTags: function() { - return this.replace(/<\/?[^>]+>/gi, ''); - }, + function stripTags() { + return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, ''); + } - stripScripts: function() { + function stripScripts() { return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); - }, + } - extractScripts: function() { - var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); - var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); + function extractScripts() { + var matchAll = new RegExp(Prototype.ScriptFragment, 'img'), + matchOne = new RegExp(Prototype.ScriptFragment, 'im'); return (this.match(matchAll) || []).map(function(scriptTag) { return (scriptTag.match(matchOne) || ['', ''])[1]; }); - }, + } - evalScripts: function() { + function evalScripts() { return this.extractScripts().map(function(script) { return eval(script) }); - }, + } - escapeHTML: function() { - var self = arguments.callee; - self.text.data = this; - return self.div.innerHTML; - }, + function escapeHTML() { + return this.replace(/&/g,'&').replace(//g,'>'); + } - unescapeHTML: function() { - var div = new Element('div'); - div.innerHTML = this.stripTags(); - return div.childNodes[0] ? (div.childNodes.length > 1 ? - $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : - div.childNodes[0].nodeValue) : ''; - }, + function unescapeHTML() { + return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); + } - toQueryParams: function(separator) { + + function toQueryParams(separator) { var match = this.strip().match(/([^?#]*)(#.*)?$/); if (!match) return { }; return match[1].split(separator || '&').inject({ }, function(hash, pair) { if ((pair = pair.split('='))[0]) { - var key = decodeURIComponent(pair.shift()); - var value = pair.length > 1 ? pair.join('=') : pair[0]; + var key = decodeURIComponent(pair.shift()), + value = pair.length > 1 ? pair.join('=') : pair[0]; + if (value != undefined) value = decodeURIComponent(value); if (key in hash) { @@ -434,128 +619,144 @@ Object.extend(String.prototype, { } return hash; }); - }, + } - toArray: function() { + function toArray() { return this.split(''); - }, + } - succ: function() { + function succ() { return this.slice(0, this.length - 1) + String.fromCharCode(this.charCodeAt(this.length - 1) + 1); - }, + } - times: function(count) { + function times(count) { return count < 1 ? '' : new Array(count + 1).join(this); - }, - - camelize: function() { - var parts = this.split('-'), len = parts.length; - if (len == 1) return parts[0]; - - 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; - }, + function camelize() { + return this.replace(/-+(.)?/g, function(match, chr) { + return chr ? chr.toUpperCase() : ''; + }); + } - capitalize: function() { + function capitalize() { return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); - }, + } - underscore: function() { - return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); - }, + 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(); + } - dasherize: function() { - return this.gsub(/_/,'-'); - }, + function dasherize() { + return this.replace(/_/g, '-'); + } - 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); + 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); }); if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; return "'" + escapedString.replace(/'/g, '\\\'') + "'"; - }, - - toJSON: function() { - return this.inspect(true); - }, + } - unfilterJSON: function(filter) { - return this.sub(filter || Prototype.JSONFilter, '#{1}'); - }, + function unfilterJSON(filter) { + return this.replace(filter || Prototype.JSONFilter, '$1'); + } - isJSON: function() { + function isJSON() { var str = this; if (str.blank()) return false; - str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); - return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); - }, + 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]*$/).test(str); + } - evalJSON: function(sanitize) { - var json = this.unfilterJSON(); + function evalJSON(sanitize) { + var json = this.unfilterJSON(), + cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g; + if (cx.test(json)) { + json = json.replace(cx, function (a) { + return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }); + } try { if (!sanitize || json.isJSON()) return eval('(' + json + ')'); } catch (e) { } throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); - }, + } + + function parseJSON() { + var json = this.unfilterJSON(); + return JSON.parse(json); + } - include: function(pattern) { + function include(pattern) { return this.indexOf(pattern) > -1; - }, + } - startsWith: function(pattern) { - return this.indexOf(pattern) === 0; - }, + function startsWith(pattern) { + return this.lastIndexOf(pattern, 0) === 0; + } - endsWith: function(pattern) { + function endsWith(pattern) { var d = this.length - pattern.length; - return d >= 0 && this.lastIndexOf(pattern) === d; - }, + return d >= 0 && this.indexOf(pattern, d) === d; + } - empty: function() { + function empty() { return this == ''; - }, + } - blank: function() { + function blank() { return /^\s*$/.test(this); - }, - - interpolate: function(object, pattern) { - return new Template(this, pattern).evaluate(object); } -}); -if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { - escapeHTML: function() { - return this.replace(/&/g,'&').replace(//g,'>'); - }, - unescapeHTML: function() { - return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); + function interpolate(object, pattern) { + return new Template(this, pattern).evaluate(object); } -}); - -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); + 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 + }; +})()); var Template = Class.create({ initialize: function(template, pattern) { @@ -564,22 +765,23 @@ var Template = Class.create({ }, evaluate: function(object) { - if (Object.isFunction(object.toTemplateReplacements)) + if (object && Object.isFunction(object.toTemplateReplacements)) object = object.toTemplateReplacements(); return this.template.gsub(this.pattern, function(match) { - if (object == null) return ''; + if (object == null) return (match[1] + ''); var before = match[1] || ''; if (before == '\\') return match[2]; - var ctx = object, expr = match[3]; - var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; + var ctx = object, expr = match[3], + pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; + match = pattern.exec(expr); if (match == null) return before; while (match != null) { - var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; + var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1]; ctx = ctx[comp]; if (null == ctx || '' == match[3]) break; expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); @@ -594,8 +796,8 @@ Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; var $break = { }; -var Enumerable = { - each: function(iterator, context) { +var Enumerable = (function() { + function each(iterator, context) { var index = 0; try { this._each(function(value) { @@ -605,17 +807,17 @@ var Enumerable = { if (e != $break) throw e; } return this; - }, + } - eachSlice: function(number, iterator, context) { + function eachSlice(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); - }, + } - all: function(iterator, context) { + function all(iterator, context) { iterator = iterator || Prototype.K; var result = true; this.each(function(value, index) { @@ -623,9 +825,9 @@ var Enumerable = { if (!result) throw $break; }); return result; - }, + } - any: function(iterator, context) { + function any(iterator, context) { iterator = iterator || Prototype.K; var result = false; this.each(function(value, index) { @@ -633,18 +835,18 @@ var Enumerable = { throw $break; }); return result; - }, + } - collect: function(iterator, context) { + function collect(iterator, context) { iterator = iterator || Prototype.K; var results = []; this.each(function(value, index) { results.push(iterator.call(context, value, index)); }); return results; - }, + } - detect: function(iterator, context) { + function detect(iterator, context) { var result; this.each(function(value, index) { if (iterator.call(context, value, index)) { @@ -653,32 +855,32 @@ var Enumerable = { } }); return result; - }, + } - findAll: function(iterator, context) { + function findAll(iterator, context) { var results = []; this.each(function(value, index) { if (iterator.call(context, value, index)) results.push(value); }); return results; - }, + } - grep: function(filter, iterator, context) { + function grep(filter, iterator, context) { iterator = iterator || Prototype.K; var results = []; if (Object.isString(filter)) - filter = new RegExp(filter); + filter = new RegExp(RegExp.escape(filter)); this.each(function(value, index) { if (filter.match(value)) results.push(iterator.call(context, value, index)); }); return results; - }, + } - include: function(object) { + function include(object) { if (Object.isFunction(this.indexOf)) if (this.indexOf(object) != -1) return true; @@ -690,31 +892,31 @@ var Enumerable = { } }); return found; - }, + } - inGroupsOf: function(number, fillWith) { + function inGroupsOf(number, fillWith) { fillWith = Object.isUndefined(fillWith) ? null : fillWith; return this.eachSlice(number, function(slice) { while(slice.length < number) slice.push(fillWith); return slice; }); - }, + } - inject: function(memo, iterator, context) { + function inject(memo, iterator, context) { this.each(function(value, index) { memo = iterator.call(context, memo, value, index); }); return memo; - }, + } - invoke: function(method) { + function invoke(method) { var args = $A(arguments).slice(1); return this.map(function(value) { return value[method].apply(value, args); }); - }, + } - max: function(iterator, context) { + function max(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { @@ -723,9 +925,9 @@ var Enumerable = { result = value; }); return result; - }, + } - min: function(iterator, context) { + function min(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { @@ -734,9 +936,9 @@ var Enumerable = { result = value; }); return result; - }, + } - partition: function(iterator, context) { + function partition(iterator, context) { iterator = iterator || Prototype.K; var trues = [], falses = []; this.each(function(value, index) { @@ -744,26 +946,26 @@ var Enumerable = { trues : falses).push(value); }); return [trues, falses]; - }, + } - pluck: function(property) { + function pluck(property) { var results = []; this.each(function(value) { results.push(value[property]); }); return results; - }, + } - reject: function(iterator, context) { + function reject(iterator, context) { var results = []; this.each(function(value, index) { if (!iterator.call(context, value, index)) results.push(value); }); return results; - }, + } - sortBy: function(iterator, context) { + function sortBy(iterator, context) { return this.map(function(value, index) { return { value: value, @@ -773,13 +975,13 @@ var Enumerable = { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }).pluck('value'); - }, + } - toArray: function() { + function toArray() { return this.map(); - }, + } - zip: function() { + function zip() { var iterator = Prototype.K, args = $A(arguments); if (Object.isFunction(args.last())) iterator = args.pop(); @@ -788,335 +990,434 @@ var Enumerable = { return this.map(function(value, index) { return iterator(collections.pluck(index)); }); - }, + } - size: function() { + function size() { return this.toArray().length; - }, + } - inspect: function() { + function inspect() { return '#'; } -}; -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 -}); + + + + + + + + + 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 + }; +})(); + function $A(iterable) { if (!iterable) return []; - if (iterable.toArray) return iterable.toArray(); + if ('toArray' in Object(iterable)) return iterable.toArray(); var length = iterable.length || 0, results = new Array(length); while (length--) results[length] = iterable[length]; return results; } -if (Prototype.Browser.WebKit) { - $A = function(iterable) { - if (!iterable) return []; - // 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; - }; + +function $w(string) { + if (!Object.isString(string)) return []; + string = string.strip(); + return string ? string.split(/\s+/) : []; } Array.from = $A; -Object.extend(Array.prototype, Enumerable); -if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; +(function() { + var arrayProto = Array.prototype, + slice = arrayProto.slice, + _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available -Object.extend(Array.prototype, { - _each: function(iterator) { - for (var i = 0, length = this.length; i < length; i++) - iterator(this[i]); - }, + 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; - clear: function() { + function clear() { this.length = 0; return this; - }, + } - first: function() { + function first() { return this[0]; - }, + } - last: function() { + function last() { return this[this.length - 1]; - }, + } - compact: function() { + function compact() { return this.select(function(value) { return value != null; }); - }, + } - flatten: function() { + function flatten() { return this.inject([], function(array, value) { - return array.concat(Object.isArray(value) ? - value.flatten() : [value]); + if (Object.isArray(value)) + return array.concat(value.flatten()); + array.push(value); + return array; }); - }, + } - without: function() { - var values = $A(arguments); + function without() { + var values = slice.call(arguments, 0); return this.select(function(value) { return !values.include(value); }); - }, - - reverse: function(inline) { - return (inline !== false ? this : this.toArray())._reverse(); - }, + } - reduce: function() { - return this.length > 1 ? this : this[0]; - }, + function reverse(inline) { + return (inline === false ? this.toArray() : this)._reverse(); + } - uniq: function(sorted) { + function uniq(sorted) { return this.inject([], function(array, value, index) { if (0 == index || (sorted ? array.last() != value : !array.include(value))) array.push(value); return array; }); - }, + } - intersect: function(array) { + function intersect(array) { return this.uniq().findAll(function(item) { return array.detect(function(value) { return item === value }); }); - }, + } - clone: function() { - return [].concat(this); - }, - size: function() { + function clone() { + return slice.call(this, 0); + } + + function size() { return this.length; - }, + } - inspect: function() { + function inspect() { return '[' + this.map(Object.inspect).join(', ') + ']'; - }, - - toJSON: function() { - var results = []; - this.each(function(object) { - var value = Object.toJSON(object); - if (!Object.isUndefined(value)) results.push(value); - }); - return '[' + results.join(', ') + ']'; } -}); - -// use native browser JS 1.6 implementation if available -if (Object.isFunction(Array.prototype.forEach)) - Array.prototype._each = Array.prototype.forEach; - -if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { - i || (i = 0); - var length = this.length; - if (i < 0) i = length + i; - for (; i < length; i++) - if (this[i] === item) return i; - return -1; -}; - -if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { - i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; - var n = this.slice(0, i).reverse().indexOf(item); - return (n < 0) ? n : i - n - 1; -}; -Array.prototype.toArray = Array.prototype.clone; + function 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; + } -function $w(string) { - if (!Object.isString(string)) return []; - string = string.strip(); - return string ? string.split(/\s+/) : []; -} + 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; + } -if (Prototype.Browser.Opera){ - Array.prototype.concat = function() { - var array = []; - for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); + function concat() { + var array = slice.call(this, 0), item; for (var i = 0, length = arguments.length; i < length; i++) { - if (Object.isArray(arguments[i])) { - for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) - array.push(arguments[i][j]); + item = arguments[i]; + if (Object.isArray(item) && !('callee' in item)) { + for (var j = 0, arrayLength = item.length; j < arrayLength; j++) + array.push(item[j]); } else { - array.push(arguments[i]); + array.push(item); } } return array; - }; -} -Object.extend(Number.prototype, { - toColorPart: function() { - return this.toPaddedString(2, 16); - }, - - succ: function() { - return this + 1; - }, + } - times: function(iterator, context) { - $R(0, this, true).each(iterator, context); - return this; - }, + Object.extend(arrayProto, Enumerable); + + if (!arrayProto._reverse) + arrayProto._reverse = arrayProto.reverse; + + Object.extend(arrayProto, { + _each: _each, + clear: clear, + first: first, + last: last, + compact: compact, + flatten: flatten, + without: without, + reverse: reverse, + uniq: uniq, + intersect: intersect, + clone: clone, + toArray: clone, + size: size, + inspect: inspect + }); - toPaddedString: function(length, radix) { - var string = this.toString(radix || 10); - return '0'.times(length - string.length) + string; - }, + var CONCAT_ARGUMENTS_BUGGY = (function() { + return [].concat(arguments)[0][0] !== 1; + })(1,2) - toJSON: function() { - return isFinite(this) ? this.toString() : 'null'; - } -}); + if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat; -$w('abs round ceil floor').each(function(method){ - Number.prototype[method] = Math[method].methodize(); -}); + if (!arrayProto.indexOf) arrayProto.indexOf = indexOf; + if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf; +})(); 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 toQueryPair(key, value) { - if (Object.isUndefined(value)) return key; - return key + '=' + encodeURIComponent(String.interpret(value)); + + 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); + } } - return { - initialize: function(object) { - this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); - }, + function set(key, value) { + return this._object[key] = value; + } - _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 get(key) { + if (this._object[key] !== Object.prototype[key]) + return this._object[key]; + } - set: function(key, value) { - return this._object[key] = value; - }, + function unset(key) { + var value = this._object[key]; + delete this._object[key]; + return value; + } - get: function(key) { - // simulating poorly supported hasOwnProperty - if (this._object[key] !== Object.prototype[key]) - return this._object[key]; - }, + function toObject() { + return Object.clone(this._object); + } - unset: function(key) { - var value = this._object[key]; - delete this._object[key]; - return value; - }, - toObject: function() { - return Object.clone(this._object); - }, - keys: function() { - return this.pluck('key'); - }, + function keys() { + return this.pluck('key'); + } - values: function() { - return this.pluck('value'); - }, + function values() { + return this.pluck('value'); + } - index: function(value) { - var match = this.detect(function(pair) { - return pair.value === value; - }); - return match && match.key; - }, + function index(value) { + var match = this.detect(function(pair) { + return pair.value === value; + }); + return match && match.key; + } - merge: function(object) { - return this.clone().update(object); - }, + function merge(object) { + return this.clone().update(object); + } - update: function(object) { - return new Hash(object).inject(this, function(result, pair) { - result.set(pair.key, pair.value); - return result; - }); - }, + function update(object) { + return new Hash(object).inject(this, function(result, pair) { + result.set(pair.key, pair.value); + return result; + }); + } - toQueryString: function() { - return this.inject([], function(results, pair) { - var key = encodeURIComponent(pair.key), values = pair.value; + function toQueryPair(key, value) { + if (Object.isUndefined(value)) return key; + return key + '=' + encodeURIComponent(String.interpret(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('&'); - }, + function toQueryString() { + return this.inject([], function(results, pair) { + var key = encodeURIComponent(pair.key), values = pair.value; - inspect: function() { - return '#'; - }, + 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('&'); + } - toJSON: function() { - return Object.toJSON(this.toObject()); - }, + function inspect() { + return '#'; + } - clone: function() { - return new Hash(this); - } + function clone() { + 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; -var ObjectRange = Class.create(Enumerable, { - initialize: function(start, end, exclusive) { +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) { this.start = start; this.end = end; this.exclusive = exclusive; - }, + } - _each: function(iterator) { + function _each(iterator) { var value = this.start; while (this.include(value)) { iterator(value); value = value.succ(); } - }, + } - include: function(value) { + function include(value) { if (value < this.start) return false; if (this.exclusive) return value < this.end; return value <= this.end; } -}); -var $R = function(start, end, exclusive) { - return new ObjectRange(start, end, exclusive); + return { + initialize: initialize, + _each: _each, + include: include + }; +})()); + + + +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; + } }; var Ajax = { @@ -1164,7 +1465,6 @@ Ajax.Responders.register({ onCreate: function() { Ajax.activeRequestCount++ }, onComplete: function() { Ajax.activeRequestCount-- } }); - Ajax.Base = Class.create({ initialize: function(options) { this.options = { @@ -1180,13 +1480,10 @@ Ajax.Base = Class.create({ this.options.method = this.options.method.toLowerCase(); - if (Object.isString(this.options.parameters)) - this.options.parameters = this.options.parameters.toQueryParams(); - else if (Object.isHash(this.options.parameters)) + if (Object.isHash(this.options.parameters)) this.options.parameters = this.options.parameters.toObject(); } }); - Ajax.Request = Class.create(Ajax.Base, { _complete: false, @@ -1199,24 +1496,21 @@ Ajax.Request = Class.create(Ajax.Base, { request: function(url) { this.url = url; this.method = this.options.method; - var params = Object.clone(this.options.parameters); + var params = Object.isString(this.options.parameters) ? + this.options.parameters : + Object.toQueryString(this.options.parameters); if (!['get', 'post'].include(this.method)) { - // simulate other verbs over post - params['_method'] = this.method; + params += (params ? '&' : '') + "_method=" + this.method; this.method = 'post'; } - this.parameters = params; - - if (params = Object.toQueryString(params)) { - // when GET, append parameters to URL - if (this.method == 'get') - this.url += (this.url.include('?') ? '&' : '?') + params; - else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) - params += '&_='; + if (params && this.method === 'get') { + this.url += (this.url.include('?') ? '&' : '?') + params; } + this.parameters = params.toQueryParams(); + try { var response = new Ajax.Response(this); if (this.options.onCreate) this.options.onCreate(response); @@ -1269,7 +1563,6 @@ Ajax.Request = Class.create(Ajax.Base, { headers['Connection'] = 'close'; } - // user-defined headers if (typeof this.options.requestHeaders == 'object') { var extras = this.options.requestHeaders; @@ -1286,11 +1579,12 @@ Ajax.Request = Class.create(Ajax.Base, { success: function() { var status = this.getStatus(); - return !status || (status >= 200 && status < 300); + return !status || (status >= 200 && status < 300) || status == 304; }, getStatus: function() { try { + if (this.transport.status === 1223) return 204; return this.transport.status || 0; } catch (e) { return 0 } }, @@ -1323,7 +1617,6 @@ Ajax.Request = Class.create(Ajax.Base, { } if (state == 'Complete') { - // avoid memory leak in MSIE: clean up this.transport.onreadystatechange = Prototype.emptyFunction; } }, @@ -1340,7 +1633,7 @@ 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() { @@ -1360,20 +1653,27 @@ 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(); @@ -1381,6 +1681,7 @@ Ajax.Response = Class.create({ }, status: 0, + statusText: '', getStatus: Ajax.Request.prototype.getStatus, @@ -1510,6 +1811,8 @@ 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++) @@ -1534,10 +1837,9 @@ if (Prototype.BrowserFeatures.XPath) { /*--------------------------------------------------------------------------*/ -if (!window.Node) var Node = { }; +if (!Node) var Node = { }; if (!Node.ELEMENT_NODE) { - // DOM level 2 ECMAScript Language Binding Object.extend(Node, { ELEMENT_NODE: 1, ATTRIBUTE_NODE: 2, @@ -1554,28 +1856,65 @@ if (!Node.ELEMENT_NODE) { }); } -(function() { - var element = this.Element; - this.Element = function(tagName, attributes) { + + +(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) { attributes = attributes || { }; tagName = tagName.toLowerCase(); var cache = Element.cache; - if (Prototype.Browser.IE && attributes.name) { + + if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) { tagName = '<' + tagName + ' name="' + attributes.name + '">'; delete attributes.name; return Element.writeAttribute(document.createElement(tagName), attributes); } + if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); - return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); + + var node = shouldUseCache(tagName, attributes) ? + cache[tagName].cloneNode(false) : document.createElement(tagName); + + return Element.writeAttribute(node, 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.Methods = { - visible: function(element) { +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'; }, @@ -1603,15 +1942,116 @@ Element.Methods = { return element; }, - 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; - }, + 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; + })(), replace: function(element, content) { element = $(element); @@ -1679,28 +2119,35 @@ Element.Methods = { element = $(element); var result = '<' + element.tagName.toLowerCase(); $H({'id': 'id', 'className': 'class'}).each(function(pair) { - var property = pair.first(), attribute = pair.last(); - var value = (element[property] || '').toString(); + var property = pair.first(), + attribute = pair.last(), + value = (element[property] || '').toString(); if (value) result += ' ' + attribute + '=' + value.inspect(true); }); return result + '>'; }, - recursivelyCollect: function(element, property) { + recursivelyCollect: function(element, property, maximumLength) { 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('parentNode'); + return Element.recursivelyCollect(element, 'parentNode'); }, descendants: function(element) { - return $(element).select("*"); + return Element.select(element, "*"); }, firstDescendant: function(element) { @@ -1710,78 +2157,96 @@ Element.Methods = { }, immediateDescendants: function(element) { - if (!(element = $(element).firstChild)) return []; - while (element && element.nodeType != 1) element = element.nextSibling; - if (element) return [element].concat($(element).nextSiblings()); - return []; + var results = [], child = $(element).firstChild; + while (child) { + if (child.nodeType === 1) { + results.push(Element.extend(child)); + } + child = child.nextSibling; + } + return results; }, - previousSiblings: function(element) { - return $(element).recursivelyCollect('previousSibling'); + previousSiblings: function(element, maximumLength) { + return Element.recursivelyCollect(element, 'previousSibling'); }, nextSiblings: function(element) { - return $(element).recursivelyCollect('nextSibling'); + return Element.recursivelyCollect(element, 'nextSibling'); }, siblings: function(element) { element = $(element); - return element.previousSiblings().reverse().concat(element.nextSiblings()); + return Element.previousSiblings(element).reverse() + .concat(Element.nextSiblings(element)); }, match: function(element, selector) { + element = $(element); if (Object.isString(selector)) - selector = new Selector(selector); - return selector.match($(element)); + return Prototype.Selector.match(element, selector); + return selector.match(element); }, up: function(element, expression, index) { element = $(element); if (arguments.length == 1) return $(element.parentNode); - var ancestors = element.ancestors(); + var ancestors = Element.ancestors(element); return Object.isNumber(expression) ? ancestors[expression] : - Selector.findElement(ancestors, expression, index); + Prototype.Selector.find(ancestors, expression, index); }, down: function(element, expression, index) { element = $(element); - if (arguments.length == 1) return element.firstDescendant(); - return Object.isNumber(expression) ? element.descendants()[expression] : + if (arguments.length == 1) return Element.firstDescendant(element); + return Object.isNumber(expression) ? Element.descendants(element)[expression] : Element.select(element, expression)[index || 0]; }, previous: function(element, expression, index) { element = $(element); - if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); - var previousSiblings = element.previousSiblings(); - return Object.isNumber(expression) ? previousSiblings[expression] : - Selector.findElement(previousSiblings, expression, index); + 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]; + } }, next: function(element, expression, index) { element = $(element); - if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); - var nextSiblings = element.nextSiblings(); - return Object.isNumber(expression) ? nextSiblings[expression] : - Selector.findElement(nextSiblings, expression, index); + 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]; + } }, - select: function() { - var args = $A(arguments), element = $(args.shift()); - return Selector.findChildElements(element, args); + + select: function(element) { + element = $(element); + var expressions = Array.prototype.slice.call(arguments, 1).join(', '); + return Prototype.Selector.select(expressions, element); }, - adjacent: function() { - var args = $A(arguments), element = $(args.shift()); - return Selector.findChildElements(element.parentNode, args).without(element); + adjacent: function(element) { + element = $(element); + var expressions = Array.prototype.slice.call(arguments, 1).join(', '); + return Prototype.Selector.select(expressions, element.parentNode).without(element); }, identify: function(element) { element = $(element); - var id = element.readAttribute('id'), self = arguments.callee; + var id = Element.readAttribute(element, 'id'); if (id) return id; - do { id = 'anonymous_element_' + self.counter++ } while ($(id)); - element.writeAttribute('id', id); + do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id)); + Element.writeAttribute(element, 'id', id); return id; }, @@ -1820,11 +2285,11 @@ Element.Methods = { }, getHeight: function(element) { - return $(element).getDimensions().height; + return Element.getDimensions(element).height; }, getWidth: function(element) { - return $(element).getDimensions().width; + return Element.getDimensions(element).width; }, classNames: function(element) { @@ -1840,7 +2305,7 @@ Element.Methods = { addClassName: function(element, className) { if (!(element = $(element))) return; - if (!element.hasClassName(className)) + if (!Element.hasClassName(element, className)) element.className += (element.className ? ' ' : '') + className; return element; }, @@ -1854,11 +2319,10 @@ Element.Methods = { toggleClassName: function(element, className) { if (!(element = $(element))) return; - return element[element.hasClassName(className) ? - 'removeClassName' : 'addClassName'](className); + return Element[Element.hasClassName(element, className) ? + 'removeClassName' : 'addClassName'](element, className); }, - // removes whitespace-only text node children cleanWhitespace: function(element) { element = $(element); var node = element.firstChild; @@ -1892,7 +2356,7 @@ Element.Methods = { scrollTo: function(element) { element = $(element); - var pos = element.cumulativeOffset(); + var pos = Element.cumulativeOffset(element); window.scrollTo(pos[0], pos[1]); return element; }, @@ -1938,37 +2402,12 @@ 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; @@ -2007,117 +2446,6 @@ 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, @@ -2128,28 +2456,21 @@ Element.Methods = { offsetLeft: 0 }, arguments[2] || { }); - // find page position of source source = $(source); - var p = source.viewportOffset(); + var p = Element.viewportOffset(source), delta = [0, 0], parent = null; - // find coordinate system to use element = $(element); - var delta = [0, 0]; - var parent = null; - // delta [0,0] will do fine with position: fixed elements, - // position:absolute needs offsetParent deltas + if (Element.getStyle(element, 'position') == 'absolute') { - parent = element.getOffsetParent(); - delta = parent.viewportOffset(); + parent = Element.getOffsetParent(element); + delta = Element.viewportOffset(parent); } - // 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'; @@ -2158,10 +2479,9 @@ Element.Methods = { } }; -Element.Methods.identify.counter = 1; - Object.extend(Element.Methods, { getElementsBySelector: Element.Methods.select, + childElements: Element.Methods.immediateDescendants }); @@ -2179,14 +2499,9 @@ 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()]) @@ -2219,52 +2534,6 @@ 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(); @@ -2306,36 +2575,90 @@ else if (Prototype.Browser.IE) { return element; }; - Element._attributeTranslations = { - read: { - names: { - 'class': 'className', - 'for': 'htmlFor' - }, - values: { - _getAttr: function(element, attribute) { - return element.getAttribute(attribute, 2); - }, - _getAttrNode: function(element, attribute) { - var node = element.getAttributeNode(attribute); - return node ? node.value : ""; - }, - _getEv: function(element, attribute) { - attribute = element.getAttribute(attribute); - return attribute ? attribute.toString().slice(23, -2) : null; - }, - _flag: function(element, attribute) { - return $(element).hasAttribute(attribute) ? attribute : null; - }, - style: function(element) { - return element.style.cssText.toLowerCase(); + 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 }, - title: function(element) { - return element.title; + 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; + } } } } - }; + })(); Element._attributeTranslations.write = { names: Object.extend({ @@ -2363,8 +2686,8 @@ else if (Prototype.Browser.IE) { (function(v) { Object.extend(v, { - href: v._getAttr, - src: v._getAttr, + href: v._getAttr2, + src: v._getAttr2, type: v._getAttr, action: v._getAttrNode, disabled: v._flag, @@ -2391,6 +2714,26 @@ 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)) { @@ -2409,7 +2752,7 @@ 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(' '); @@ -2419,49 +2762,9 @@ 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.createElement('div')) { +if ('outerHTML' in document.documentElement) { Element.Methods.replace = function(element, content) { element = $(element); @@ -2475,8 +2778,8 @@ if ('outerHTML' in document.createElement('div')) { var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); if (Element._insertionTranslations.tags[tagName]) { - var nextSibling = element.next(); - var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + var nextSibling = element.next(), + fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); parent.removeChild(element); if (nextSibling) fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); @@ -2497,12 +2800,27 @@ Element._returnOffset = function(l, t) { return result; }; -Element._getContentFromAnonymousElement = function(tagName, html) { - var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; - if (t) { - div.innerHTML = t[0] + html + t[1]; - t[2].times(function() { div = div.firstChild }); - } else div.innerHTML = html; +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; + } return $A(div.childNodes); }; @@ -2529,12 +2847,13 @@ Element._insertionTranslations = { }; (function() { - Object.extend(this.tags, { - THEAD: this.tags.TBODY, - TFOOT: this.tags.TBODY, - TH: this.tags.TD + var tags = Element._insertionTranslations.tags; + Object.extend(tags, { + THEAD: tags.TBODY, + TFOOT: tags.TBODY, + TH: tags.TD }); -}).call(Element._insertionTranslations); +})(); Element.Methods.Simulated = { hasAttribute: function(element, attribute) { @@ -2548,41 +2867,81 @@ Element.Methods.ByTag = { }; Object.extend(Element, Element.Methods); -if (!Prototype.BrowserFeatures.ElementExtensions && - document.createElement('div')['__proto__']) { - window.HTMLElement = { }; - window.HTMLElement.prototype = document.createElement('div')['__proto__']; - Prototype.BrowserFeatures.ElementExtensions = true; -} +(function(div) { + + if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) { + window.HTMLElement = { }; + window.HTMLElement.prototype = div['__proto__']; + Prototype.BrowserFeatures.ElementExtensions = true; + } + + div = null; + +})(document.createElement('div')); Element.extend = (function() { - if (Prototype.BrowserFeatures.SpecificElementExtensions) + + 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; + } + } return Prototype.K; + } var Methods = { }, ByTag = Element.Methods.ByTag; var extend = Object.extend(function(element) { - if (!element || element._extendedByPrototype || + if (!element || typeof element._extendedByPrototype != 'undefined' || element.nodeType != 1 || element == window) return element; var methods = Object.clone(Methods), - tagName = element.tagName.toUpperCase(), property, value; + tagName = element.tagName.toUpperCase(); - // extend methods for specific tags if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); - for (property in methods) { - value = methods[property]; - if (Object.isFunction(value) && !(property in element)) - element[property] = value.methodize(); - } + extendElementWith(element, methods); 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); @@ -2594,10 +2953,14 @@ Element.extend = (function() { return extend; })(); -Element.hasAttribute = function(element, attribute) { - if (element.hasAttribute) return element.hasAttribute(attribute); - return Element.Methods.Simulated.hasAttribute(element, attribute); -}; +if (document.documentElement.hasAttribute) { + Element.hasAttribute = function(element, attribute) { + return element.hasAttribute(attribute); + }; +} +else { + Element.hasAttribute = Element.Methods.Simulated.hasAttribute; +} Element.addMethods = function(methods) { var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; @@ -2609,7 +2972,8 @@ 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) + "TEXTAREA": Object.clone(Form.Element.Methods), + "BUTTON": Object.clone(Form.Element.Methods) }); } @@ -2661,14 +3025,19 @@ Element.addMethods = function(methods) { klass = 'HTML' + tagName.capitalize() + 'Element'; if (window[klass]) return window[klass]; - window[klass] = { }; - window[klass].prototype = document.createElement(tagName)['__proto__']; - return window[klass]; + var element = document.createElement(tagName), + proto = element['__proto__'] || element.constructor.prototype; + + element = null; + return proto; } + var elementPrototype = window.HTMLElement ? HTMLElement.prototype : + Element.prototype; + if (F.ElementExtensions) { - copy(Element.Methods, HTMLElement.prototype); - copy(Element.Methods.Simulated, HTMLElement.prototype, true); + copy(Element.Methods, elementPrototype); + copy(Element.Methods.Simulated, elementPrototype, true); } if (F.SpecificElementExtensions) { @@ -2686,807 +3055,1969 @@ Element.addMethods = function(methods) { Element.cache = { }; }; + document.viewport = { + getDimensions: function() { - 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]; - } - }); - return dimensions; - }, - - getWidth: function() { - return this.getDimensions().width; - }, - - getHeight: function() { - return this.getDimensions().height; + 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); + 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(); - } - - }, - shouldUseXPath: function() { - if (!Prototype.BrowserFeatures.XPath) return false; +(function(viewport) { + var B = Prototype.Browser, doc = document, element, property = {}; - var e = this.expression; + function getRootElement() { + if (B.WebKit && !doc.evaluate) + return document; - // Safari 3 chokes on :*-of-type and :empty - if (Prototype.Browser.WebKit && - (e.include("-of-type") || e.include(":empty"))) - return false; + if (B.Opera && window.parseFloat(window.opera.version()) < 9.5) + return document.body; - // XPath can't do namespaced attributes, nor can it read - // the "checked" property from DOM nodes - if ((/(\[[\w-]*?:|:checked)/).test(e)) - return false; + return document.documentElement; + } - return true; - }, + function define(D) { + if (!element) element = getRootElement(); - shouldUseSelectorsAPI: function() { - if (!Prototype.BrowserFeatures.SelectorsAPI) return false; + property[D] = 'client' + D; - if (!Selector._div) Selector._div = new Element('div'); + viewport['get' + D] = function() { return element[property[D]] }; + return viewport['get' + D](); + } - // 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; - } + viewport.getWidth = define.curry('Width'); - return true; - }, + viewport.getHeight = define.curry('Height'); +})(document.viewport); - compileMatcher: function() { - var e = this.expression, ps = Selector.patterns, h = Selector.handlers, - c = Selector.criteria, le, p, m; - if (Selector._cache[e]) { - this.matcher = Selector._cache[e]; - return; - } +Element.Storage = { + UID: 1 +}; - this.matcher = ["this.matcher = function(root) {", - "var r = root, h = Selector.handlers, c = false, n;"]; +Element.addMethods({ + getStorage: function(element) { + if (!(element = $(element))) return; - 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; - } - } + var uid; + if (element === window) { + uid = 0; + } else { + if (typeof element._prototypeUID === "undefined") + element._prototypeUID = Element.Storage.UID++; + uid = element._prototypeUID; } - this.matcher.push("return h.unique(n);\n}"); - eval(this.matcher.join('\n')); - Selector._cache[this.expression] = this.matcher; - }, + if (!Element.Storage[uid]) + Element.Storage[uid] = $H(); - compileXPathMatcher: function() { - var e = this.expression, ps = Selector.patterns, - x = Selector.xpath, le, m; + return Element.Storage[uid]; + }, - if (Selector._cache[e]) { - this.xpath = Selector._cache[e]; return; - } + store: function(element, key, value) { + if (!(element = $(element))) return; - 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; - } - } + if (arguments.length === 2) { + Element.getStorage(element).update(key); + } else { + Element.getStorage(element).set(key, value); } - this.xpath = this.matcher.join(''); - Selector._cache[this.expression] = this.xpath; + return element; }, - findElements: function(root) { - root = root || document; - var e = this.expression, results; - - 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; + retrieve: function(element, key, defaultValue) { + if (!(element = $(element))) return; + var hash = Element.getStorage(element), value = hash.get(key); - return results; - case 'xpath': - return document._getElementsByXPath(this.xpath, root); - default: - return this.matcher(root); + if (Object.isUndefined(value)) { + hash.set(key, defaultValue); + value = defaultValue; } + + return value; }, - match: function(element) { - this.tokens = []; - - var e = this.expression, ps = Selector.patterns, as = Selector.assertions; - var le, p, m; - - 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); - } - } + 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); + }, - 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; - } - } + purge: function(element) { + if (!(element = $(element))) return; + var purgeElement = Element._purgeElement; - return match; - }, + purgeElement(element); - toString: function() { - return this.expression; - }, + var descendants = element.getElementsByTagName('*'), + i = descendants.length; - inspect: function() { - return "#"; + while (i--) purgeElement(descendants[i]); + + return null; } }); -Object.extend(Selector, { - _cache: { }, - - xpath: { - descendant: "//*", - child: "/*", - adjacent: "/following-sibling::*[1]", - laterSibling: '/following-sibling::*', - tagName: function(m) { - if (m[1] == '*') return ''; - return "[local-name()='" + m[1].toLowerCase() + - "' or local-name()='" + m[1].toUpperCase() + "']"; - }, - className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", - id: "[@id='#{1}']", - attrPresence: function(m) { - m[1] = m[1].toLowerCase(); - return new Template("[@#{1}]").evaluate(m); - }, - attr: function(m) { - m[1] = m[1].toLowerCase(); - m[3] = m[5] || m[6]; - return new Template(Selector.xpath.operators[m[2]]).evaluate(m); - }, - pseudo: function(m) { - var h = Selector.xpath.pseudos[m[1]]; - if (!h) return ''; - if (Object.isFunction(h)) return h(m); - return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); - }, - operators: { - '=': "[@#{1}='#{3}']", - '!=': "[@#{1}!='#{3}']", - '^=': "[starts-with(@#{1}, '#{3}')]", - '$=': "[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+)$/)) // digit only - return '[' + fragment + "= " + mm[1] + ']'; - if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b - if (mm[1] == "-") mm[1] = -1; - var a = mm[1] ? Number(mm[1]) : 1; - var b = mm[2] ? Number(mm[2]) : 0; - predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + - "((#{fragment} - #{b}) div #{a} >= 0)]"; - return new Template(predicate).evaluate({ - fragment: fragment, a: a, b: b }); - } - } - } - }, +(function() { - criteria: { - tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', - className: 'n = h.className(n, r, "#{1}", c); c = false;', - id: 'n = h.id(n, r, "#{1}", c); c = false;', - attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', - attr: function(m) { - m[3] = (m[5] || m[6]); - return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); - }, - pseudo: function(m) { - if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); - return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); - }, - descendant: 'c = "descendant";', - child: 'c = "child";', - adjacent: 'c = "adjacent";', - laterSibling: 'c = "laterSibling";' - }, + function toDecimal(pctString) { + var match = pctString.match(/^(\d+)%?$/i); + if (!match) return null; + return (Number(match[1]) / 100); + } - 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: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ - }, + function getPixelValue(value, property, context) { + var element = null; + if (Object.isElement(value)) { + element = value; + value = element.getStyle(property); + } - // for Selector.match and Element#match - assertions: { - tagName: function(element, matches) { - return matches[1].toUpperCase() == element.tagName.toUpperCase(); - }, + if (value === null) { + return null; + } - className: function(element, matches) { - return Element.hasClassName(element, matches[1]); - }, + if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) { + return window.parseFloat(value); + } - id: function(element, matches) { - return element.id === matches[1]; - }, + var isPercentage = value.include('%'), isViewport = (context === document.viewport); - attrPresence: function(element, matches) { - return Element.hasAttribute(element, matches[1]); - }, + 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; - attr: function(element, matches) { - var nodeValue = Element.readAttribute(element, matches[1]); - return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); + return value; } - }, - handlers: { - // UTILITY FUNCTIONS - // joins two collections - concat: function(a, b) { - for (var i = 0, node; node = b[i]; i++) - a.push(node); - return a; - }, + if (element && isPercentage) { + context = context || element.parentNode; + var decimal = toDecimal(value); + var whole = null; + var position = element.getStyle('position'); - // marks an array of nodes for counting - mark: function(nodes) { - var _true = Prototype.emptyFunction; - for (var i = 0, node; node = nodes[i]; i++) - node._countedByPrototype = _true; - return nodes; - }, + var isHorizontal = property.include('left') || property.include('right') || + property.include('width'); - unmark: function(nodes) { - for (var i = 0, node; node = nodes[i]; i++) - node._countedByPrototype = undefined; - return nodes; - }, + var isVertical = property.include('top') || property.include('bottom') || + property.include('height'); - // 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++; + if (context === document.viewport) { + if (isHorizontal) { + whole = document.viewport.getWidth(); + } else if (isVertical) { + whole = document.viewport.getHeight(); } } 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 (isHorizontal) { + whole = $(context).measure('width'); + } else if (isVertical) { + whole = $(context).measure('height'); + } } - }, - // 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); - }, + return (whole === null) ? 0 : whole * decimal; + } - // 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; - }, + return 0; + } + + function toCSSPixels(number) { + if (Object.isString(number) && number.endsWith('px')) { + return number; + } + return number + 'px'; + } - 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); + function isDisplayed(element) { + var originalElement = element; + while (element && element.parentNode) { + var display = element.getStyle('display'); + if (display === 'none') { + return false; } - return results; - }, + element = $(element.parentNode); + } + return true; + } - adjacent: function(nodes) { - for (var i = 0, results = [], node; node = nodes[i]; i++) { - var next = this.nextElementSibling(node); - if (next) results.push(next); + var hasLayout = Prototype.K; + if ('currentStyle' in document.documentElement) { + hasLayout = function(element) { + if (!element.currentStyle.hasLayout) { + element.style.zoom = 1; } - return results; - }, + return element; + }; + } - laterSibling: function(nodes) { - var h = Selector.handlers; - for (var i = 0, results = [], node; node = nodes[i]; i++) - h.concat(results, Element.nextSiblings(node)); - return results; - }, + function cssNameFor(key) { + if (key.include('border')) key = key + '-width'; + return key.camelize(); + } - nextElementSibling: function(node) { - while (node = node.nextSibling) - if (node.nodeType == 1) return node; - return null; + Element.Layout = Class.create(Hash, { + initialize: function($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; + } }, - previousElementSibling: function(node) { - while (node = node.previousSibling) - if (node.nodeType == 1) return node; - return null; + _set: function(property, value) { + return Hash.prototype.set.call(this, property, value); }, - // 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); + set: function(property, value) { + throw "Properties of Element.Layout are read-only."; }, - id: function(nodes, root, id, combinator) { - var targetNode = $(id), h = Selector.handlers; - if (!targetNode) return []; - if (!nodes && root == document) return [targetNode]; - if (nodes) { - if (combinator) { - if (combinator == 'child') { - for (var i = 0, node; node = nodes[i]; i++) - if (targetNode.parentNode == node) return [targetNode]; - } else if (combinator == 'descendant') { - for (var i = 0, node; node = nodes[i]; i++) - if (Element.descendantOf(targetNode, node)) return [targetNode]; - } else if (combinator == 'adjacent') { - for (var i = 0, node; node = nodes[i]; i++) - if (Selector.handlers.previousElementSibling(targetNode) == node) - return [targetNode]; - } else nodes = h[combinator](nodes); - } - for (var i = 0, node; node = nodes[i]; i++) - if (node == targetNode) return [targetNode]; - return []; - } - return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; + get: function($super, property) { + var value = $super(property); + return value === null ? this._compute(property) : value; }, - className: function(nodes, root, className, combinator) { - if (nodes && combinator) nodes = this[combinator](nodes); - return Selector.handlers.byClassName(nodes, root, className); - }, + _begin: function() { + if (this._prepared) return; - 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); + var element = this.element; + if (isDisplayed(element)) { + this._prepared = true; + return; } - return results; - }, - attrPresence: function(nodes, root, attr, combinator) { - if (!nodes) nodes = root.getElementsByTagName("*"); - if (nodes && combinator) nodes = this[combinator](nodes); - var results = []; - for (var i = 0, node; node = nodes[i]; i++) - if (Element.hasAttribute(node, attr)) results.push(node); - return results; - }, + var originalStyles = { + position: element.style.position || '', + width: element.style.width || '', + visibility: element.style.visibility || '', + display: element.style.display || '' + }; - 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; - }, + element.store('prototype_original_styles', originalStyles); - 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 position = element.getStyle('position'), + width = element.getStyle('width'); - 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); + if (width === "0px" || width === null) { + element.style.display = 'block'; + width = element.getStyle('width'); } - return results; - }, - 'last-child': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) { - if (Selector.handlers.nextElementSibling(node)) continue; - results.push(node); - } - return results; - }, - 'only-child': function(nodes, value, root) { - var h = Selector.handlers; - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) - results.push(node); - return results; - }, - 'nth-child': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root); - }, - 'nth-last-child': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root, true); - }, - 'nth-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root, false, true); - }, - 'nth-last-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root, true, true); - }, - 'first-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, "1", root, false, true); - }, - 'last-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, "1", root, true, true); - }, - 'only-of-type': function(nodes, formula, root) { - var p = Selector.pseudos; - return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); - }, - // handles the an+b logic - getIndices: function(a, b, total) { - if (a == 0) return b > 0 ? [b] : []; - return $R(1, total).inject([], function(memo, i) { - if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); - return memo; + var context = (position === 'fixed') ? document.viewport : + element.parentNode; + + element.setStyle({ + position: 'absolute', + visibility: 'hidden', + display: 'block' }); - }, - // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type - nth: function(nodes, formula, root, reverse, ofType) { - if (nodes.length == 0) return []; - if (formula == 'even') formula = '2n+0'; - if (formula == 'odd') formula = '2n+1'; - var h = Selector.handlers, results = [], indexed = [], m; - h.mark(nodes); - for (var i = 0, node; node = nodes[i]; i++) { - if (!node.parentNode._countedByPrototype) { - h.index(node.parentNode, reverse, ofType); - indexed.push(node.parentNode); - } - } - if (formula.match(/^\d+$/)) { // 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); - } + 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'); } - h.unmark(nodes); - h.unmark(indexed); - return results; + + 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; }, - '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); + _compute: function(property) { + var COMPUTATIONS = Element.Layout.COMPUTATIONS; + if (!(property in COMPUTATIONS)) { + throw "Property not found."; } - return results; + + return this._set(property, COMPUTATIONS[property].call(this, this.element)); }, - '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; + 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; }, - '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; + toHash: function() { + var obj = this.toObject.apply(this, arguments); + return new Hash(obj); }, - 'disabled': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (node.disabled) results.push(node); - return results; + toCSS: function() { + var args = $A(arguments); + var keys = (args.length === 0) ? Element.Layout.PROPERTIES : + args.join(' ').split(' '); + var css = {}; + + keys.each( function(key) { + if (!Element.Layout.PROPERTIES.include(key)) return; + if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return; + + var value = this.get(key); + if (value != null) css[cssNameFor(key)] = value + 'px'; + }, this); + return css; }, - 'checked': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (node.checked) results.push(node); - return results; + inspect: function() { + return "#"; } - }, + }); - operators: { - '=': function(nv, v) { return nv == v; }, - '!=': function(nv, v) { return nv != v; }, - '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); }, - '$=': 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() + '-'); } - }, + 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'), - split: function(expression) { - var expressions = []; - expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { - expressions.push(m[1].strip()); - }); - return expressions; - }, + COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'), - matchElements: function(elements, expression) { - var matches = $$(expression), h = Selector.handlers; - h.mark(matches); - for (var i = 0, results = [], element; element = elements[i]; i++) - if (element._countedByPrototype) results.push(element); - h.unmark(matches); - return results; - }, + COMPUTATIONS: { + 'height': function(element) { + if (!this._preComputing) this._begin(); - findElement: function(elements, expression, index) { - if (Object.isNumber(expression)) { - index = expression; expression = false; - } - return Selector.matchElements(elements, expression || '*')[index || 0]; - }, + var bHeight = this.get('border-box-height'); + if (bHeight <= 0) { + if (!this._preComputing) this._end(); + return 0; + } - findChildElements: function(element, expressions) { - expressions = Selector.split(expressions.join(',')); - var results = [], h = Selector.handlers; - for (var i = 0, l = expressions.length, selector; i < l; i++) { - selector = new Selector(expressions[i].strip()); - h.concat(results, selector.findElements(element)); - } - return (l > 1) ? h.unique(results) : results; - } -}); + var bTop = this.get('border-top'), + bBottom = this.get('border-bottom'); -if (Prototype.Browser.IE) { - Object.extend(Selector.handlers, { - // IE returns comment nodes on getElementsByTagName("*"). - // Filter them out. - concat: function(a, b) { - for (var i = 0, node; node = b[i]; i++) - if (node.tagName !== "!") a.push(node); - return a; - }, + var pTop = this.get('padding-top'), + pBottom = this.get('padding-bottom'); - // IE improperly serializes _countedByPrototype in (inner|outer)HTML. - unmark: function(nodes) { - for (var i = 0, node; node = nodes[i]; i++) - node.removeAttribute('_countedByPrototype'); - return nodes; - } - }); -} + if (!this._preComputing) this._end(); -function $$() { - return Selector.findChildElements(document, $A(arguments)); -} -var Form = { - reset: function(form) { - $(form).reset(); - return form; - }, + return bHeight - bTop - bBottom - pTop - pBottom; + }, - 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; + 'width': function(element) { + if (!this._preComputing) this._begin(); - 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)))) { - 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; + var bWidth = this.get('border-box-width'); + if (bWidth <= 0) { + if (!this._preComputing) this._end(); + return 0; } - } - return result; - }); - return options.hash ? data : Object.toQueryString(data); - } -}; + var bLeft = this.get('border-left'), + bRight = this.get('border-right'); -Form.Methods = { - serialize: function(form, options) { - return Form.serializeElements(Form.getElements(form), options); - }, + var pLeft = this.get('padding-left'), + pRight = this.get('padding-right'); - 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; - } - ); + 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 + }; +})(); +/*! + * 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; + } + }, + 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; + + 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; + } + + 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 ]; + + if ( filter ) { + return filter( elem, i, match, array ); + } + } + } +}; + +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 ); +} + +var makeArray = function(array, results) { + array = Array.prototype.slice.call( array, 0 ); + + if ( results ) { + results.push.apply( results, array ); + return results; + } + + return array; +}; + +try { + Array.prototype.slice.call( document.documentElement.childNodes, 0 ); + +} catch(e){ + makeArray = function(array, results) { + var ret = results || []; + + 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] ); + } + } + } + + return ret; + }; +} + +var sortOrder; + +if ( document.documentElement.compareDocumentPosition ) { + sortOrder = function( a, b ) { + if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) { + if ( a == b ) { + hasDuplicate = true; + } + return 0; + } + + 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; + } + + 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; + } + 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; + }; +} + +(function(){ + var form = document.createElement("div"), + id = "script" + (new Date).getTime(); + form.innerHTML = ""; + + var root = document.documentElement; + root.insertBefore( form, root.firstChild ); + + 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 : []; + } + }; + + Expr.filter.ID = function(elem, match){ + var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); + return elem.nodeType === 1 && node && node.nodeValue === match; + }; + } + + root.removeChild( form ); + root = form = null; // release memory in IE +})(); + +(function(){ + + var div = document.createElement("div"); + div.appendChild( document.createComment("") ); + + if ( div.getElementsByTagName("*").length > 0 ) { + Expr.find.TAG = function(match, context){ + var results = context.getElementsByTagName(match[1]); + + if ( match[1] === "*" ) { + var tmp = []; + + for ( var i = 0; results[i]; i++ ) { + if ( results[i].nodeType === 1 ) { + tmp.push( results[i] ); + } + } + + results = tmp; + } + + return results; + }; + } + + div.innerHTML = ""; + if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" && + div.firstChild.getAttribute("href") !== "#" ) { + Expr.attrHandle.href = function(elem){ + return elem.getAttribute("href", 2); + }; + } + + div = null; // release memory in IE +})(); + +if ( document.querySelectorAll ) (function(){ + var oldSizzle = Sizzle, div = document.createElement("div"); + div.innerHTML = "

"; + + if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) { + return; + } + + Sizzle = function(query, context, extra, seed){ + context = context || document; + + if ( !seed && context.nodeType === 9 && !isXML(context) ) { + try { + return makeArray( context.querySelectorAll(query), extra ); + } catch(e){} + } + + return oldSizzle(query, context, extra, seed); + }; + + for ( var prop in oldSizzle ) { + Sizzle[ prop ] = oldSizzle[ prop ]; + } + + div = null; // release memory in IE +})(); + +if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){ + var div = document.createElement("div"); + div.innerHTML = "
"; + + if ( div.getElementsByClassName("e").length === 0 ) + return; + + div.lastChild.className = "e"; + + if ( div.getElementsByClassName("e").length === 1 ) + return; + + Expr.order.splice(1, 0, "CLASS"); + Expr.find.CLASS = function(match, context, isXML) { + if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) { + return context.getElementsByClassName(match[1]); + } + }; + + div = null; // release memory in IE +})(); + +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; + + while ( elem ) { + if ( elem.sizcache === doneName ) { + match = checkSet[elem.sizset]; + break; + } + + if ( elem.nodeType === 1 && !isXML ){ + elem.sizcache = doneName; + elem.sizset = i; + } + + if ( elem.nodeName === cur ) { + match = elem; + break; + } + + elem = elem[dir]; + } + + checkSet[i] = match; + } + } +} + +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; + } + 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; + } + + } else if ( Sizzle.filter( cur, [elem] ).length > 0 ) { + match = elem; + break; + } + } + + elem = elem[dir]; + } + + checkSet[i] = match; + } + } +} + +var contains = document.compareDocumentPosition ? function(a, b){ + return a.compareDocumentPosition(b) & 16; +} : function(a, b){ + return a !== b && (a.contains ? a.contains(b) : true); +}; + +var isXML = function(elem){ + return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || + !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML"; +}; + +var posProcess = function(selector, context){ + var tmpSet = [], later = "", match, + root = context.nodeType ? [context] : context; + + while ( (match = Expr.match.PSEUDO.exec( selector )) ) { + later += match[0]; + selector = selector.replace( Expr.match.PSEUDO, "" ); + } + + selector = Expr.relative[selector] ? selector + "*" : selector; + + for ( var i = 0, l = root.length; i < l; i++ ) { + Sizzle( selector, root[i], tmpSet ); + } + + return Sizzle.filter( later, tmpSet ); +}; + + +window.Sizzle = Sizzle; + +})(); + +Prototype._original_property = window.Sizzle; + +;(function(engine) { + var extendElements = Prototype.Selector.extendElements; + + function select(selector, scope) { + return extendElements(engine(selector, scope || document)); + } + + function match(element, selector) { + return engine.matches(selector, [element]).length == 1; + } + + Prototype.Selector.engine = engine; + Prototype.Selector.select = select; + Prototype.Selector.match = match; +})(Sizzle); + +window.Sizzle = Prototype._original_property; +delete Prototype._original_property; + +var Form = { + reset: function(form) { + form = $(form); + form.reset(); + return form; + }, + + serializeElements: function(elements, options) { + if (typeof options != 'object') options = { hash: !!options }; + else if (Object.isUndefined(options.hash)) options.hash = true; + var key, value, submitted = false, submit = options.submit, 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); + } + } + + return elements.inject(initial, 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); + } + } + return result; + }); + } +}; + +Form.Methods = { + serialize: function(form, options) { + return Form.serializeElements(Form.getElements(form), options); + }, + + getElements: function(form) { + var elements = $(form).getElementsByTagName('*'), + element, + arr = [ ], + serializers = Form.Element.Serializers; + for (var i = 0; element = elements[i]; i++) { + arr.push(element); + } + return arr.inject([], function(elements, child) { + if (serializers[child.tagName.toLowerCase()]) + elements.push(Element.extend(child)); + return elements; + }) }, getInputs: function(form, typeName, name) { @@ -3526,13 +5057,14 @@ Form.Methods = { }).sortBy(function(element) { return element.tabIndex }).first(); return firstByIndex ? firstByIndex : elements.find(function(element) { - return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); + return /^(?:input|select|textarea)$/i.test(element.tagName); }); }, focusFirstElement: function(form) { form = $(form); - form.findFirstElement().activate(); + var element = form.findFirstElement(); + if (element) element.activate(); return form; }, @@ -3557,6 +5089,7 @@ Form.Methods = { /*--------------------------------------------------------------------------*/ + Form.Element = { focus: function(element) { $(element).focus(); @@ -3570,6 +5103,7 @@ Form.Element = { }; Form.Element.Methods = { + serialize: function(element) { element = $(element); if (!element.disabled && element.name) { @@ -3610,7 +5144,7 @@ Form.Element.Methods = { try { element.focus(); if (element.select && (element.tagName.toLowerCase() != 'input' || - !['button', 'reset', 'submit'].include(element.type))) + !(/^(?:button|reset|submit)$/i.test(element.type)))) element.select(); } catch (e) { } return element; @@ -3632,75 +5166,86 @@ Form.Element.Methods = { /*--------------------------------------------------------------------------*/ var Field = Form.Element; + var $F = Form.Element.Methods.getValue; /*--------------------------------------------------------------------------*/ -Form.Element.Serializers = { - input: function(element, value) { +Form.Element.Serializers = (function() { + function input(element, value) { switch (element.type.toLowerCase()) { case 'checkbox': case 'radio': - return Form.Element.Serializers.inputSelector(element, value); + return inputSelector(element, value); default: - return Form.Element.Serializers.textarea(element, value); + return valueSelector(element, value); } - }, + } - inputSelector: function(element, value) { - if (Object.isUndefined(value)) return element.checked ? element.value : null; + function inputSelector(element, value) { + if (Object.isUndefined(value)) + return element.checked ? element.value : null; else element.checked = !!value; - }, + } - textarea: function(element, value) { + function valueSelector(element, value) { if (Object.isUndefined(value)) return element.value; else element.value = value; - }, + } - select: function(element, value) { + function select(element, value) { if (Object.isUndefined(value)) - 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; - } + 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; } - else opt.selected = value.include(currentValue); } + else opt.selected = value.include(currentValue); } - }, + } - selectOne: function(element) { + function selectOne(element) { var index = element.selectedIndex; - return index >= 0 ? this.optionValue(element.options[index]) : null; - }, + return index >= 0 ? optionValue(element.options[index]) : null; + } - selectMany: function(element) { + function selectMany(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(this.optionValue(opt)); + if (opt.selected) values.push(optionValue(opt)); } return values; - }, + } - optionValue: function(opt) { - // extend element because hasAttribute may not be native - return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; + function optionValue(opt) { + return Element.hasAttribute(opt, '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); @@ -3782,354 +5327,527 @@ Form.EventObserver = Class.create(Abstract.EventObserver, { return Form.serialize(this.element); } }); -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); +(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; }; + } } -}); -Event.Methods = (function() { - var isButton; + var _isButton; - if (Prototype.Browser.IE) { - var buttonMap = { 0: 1, 1: 4, 2: 2 }; - isButton = function(event, code) { - return event.button == buttonMap[code]; - }; + function _isButtonForDOMEvents(event, code) { + return event.which ? (event.which === code + 1) : (event.button === code); + } - } else if (Prototype.Browser.WebKit) { - isButton = function(event, code) { - switch (code) { - case 0: return event.which == 1 && !event.metaKey; - case 1: return event.which == 1 && event.metaKey; - default: return false; - } - }; + var legacyButtonMap = { 0: 1, 1: 4, 2: 2 }; + function _isButtonForLegacyEvents(event, code) { + return event.button === legacyButtonMap[code]; + } - } else { - isButton = function(event, code) { - return event.which ? (event.which === code + 1) : (event.button === code); - }; + 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; + } } - 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 (window.attachEvent) { + if (!window.addEventListener) { + _isButton = _isButtonForLegacyEvents; + } else { + _isButton = function(event, code) { + return isIELegacyEvent(event) ? _isButtonForLegacyEvents(event, code) : + _isButtonForDOMEvents(event, code); } - if (node.nodeType == Node.TEXT_NODE) node = node.parentNode; - return Element.extend(node); - }, + } + } else if (Prototype.Browser.WebKit) { + _isButton = _isButtonForWebKit; + } else { + _isButton = _isButtonForDOMEvents; + } - 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); - }, + function isLeftClick(event) { return _isButton(event, 0) } - 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)) - }; - }, + 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; - pointerX: function(event) { return Event.pointer(event).x }, - pointerY: function(event) { return Event.pointer(event).y }, + 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); + } - stop: function(event) { - Event.extend(event); - event.preventDefault(); - event.stopPropagation(); - event.stopped = true; + 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); + } + 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; + } + + + Event.Methods = { + isLeftClick: isLeftClick, + isMiddleClick: isMiddleClick, + isRightClick: isRightClick, + + element: element, + findElement: findElement, + + pointer: pointer, + pointerX: pointerX, + pointerY: pointerY, + + stop: stop }; -})(); -Event.extend = (function() { var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { m[name] = Event.Methods[name].methodize(); return m; }); - if (Prototype.Browser.IE) { - Object.extend(methods, { + 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 = { stopPropagation: function() { this.cancelBubble = true }, preventDefault: function() { this.returnValue = false }, - inspect: function() { return "[object Event]" } - }); + inspect: function() { return '[object Event]' } + }; - return function(event) { + Event.extend = function(event, element) { if (!event) return false; - if (event._extendedByPrototype) return event; + if (!isIELegacyEvent(event)) return event; + + if (event._extendedByPrototype) return event; event._extendedByPrototype = Prototype.emptyFunction; + var pointer = Event.pointer(event); + Object.extend(event, { - target: event.srcElement, - relatedTarget: Event.relatedTarget(event), + target: event.srcElement || element, + relatedTarget: _relatedTarget(event), pageX: pointer.x, pageY: pointer.y }); - return Object.extend(event, methods); - }; + Object.extend(event, methods); + Object.extend(event, additionalMethods); + + return event; + }; } else { - Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__']; - Object.extend(Event.prototype, methods); - return Prototype.K; + Event.extend = Prototype.K; } -})(); - -Object.extend(Event, (function() { - var cache = Event.cache; - function getEventID(element) { - if (element._prototypeEventID) return element._prototypeEventID[0]; - arguments.callee.id = arguments.callee.id || 1; - return element._prototypeEventID = [++arguments.callee.id]; + if (window.addEventListener) { + Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__; + Object.extend(Event.prototype, methods); } - function getDOMEventName(eventName) { - if (eventName && eventName.include(':')) return "dataavailable"; - return eventName; - } + function _createResponder(element, eventName, handler) { + var registry = Element.retrieve(element, 'prototype_event_registry'); - function getCacheForID(id) { - return cache[id] = cache[id] || { }; - } + if (Object.isUndefined(registry)) { + CACHE.push(element); + registry = Element.retrieve(element, 'prototype_event_registry', $H()); + } - function getWrappersForEventName(id, eventName) { - var c = getCacheForID(id); - return c[eventName] = c[eventName] || []; - } + var respondersForEvent = registry.get(eventName); + if (Object.isUndefined(respondersForEvent)) { + respondersForEvent = []; + registry.set(eventName, respondersForEvent); + } - function createWrapper(element, eventName, handler) { - var id = getEventID(element); - var c = getWrappersForEventName(id, eventName); - if (c.pluck("handler").include(handler)) return false; + if (respondersForEvent.pluck('handler').include(handler)) return false; - var wrapper = function(event) { - if (!Event || !Event.extend || - (event.eventName && event.eventName != eventName)) + var responder; + if (eventName.include(":")) { + responder = function(event) { + if (Object.isUndefined(event.eventName)) return false; - Event.extend(event); - handler.call(element, event); - }; + if (event.eventName !== eventName) + return false; - wrapper.handler = handler; - c.push(wrapper); - return wrapper; - } + 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; } + } - function findWrapper(id, eventName, handler) { - var c = getWrappersForEventName(id, eventName); - return c.find(function(wrapper) { return wrapper.handler == handler }); - } + if (parent === element) return; - function destroyWrapper(id, eventName, handler) { - var c = getCacheForID(id); - if (!c[eventName]) return false; - c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); + handler.call(element, event); + }; + } + } else { + responder = function(event) { + Event.extend(event, element); + handler.call(element, event); + }; + } + } + + responder.handler = handler; + respondersForEvent.push(responder); + return responder; } - function destroyCache() { - for (var id in cache) - for (var eventName in cache[id]) - cache[id][eventName] = null; + function _destroyCache() { + for (var i = 0, length = CACHE.length; i < length; i++) { + Event.stopObserving(CACHE[i]); + CACHE[i] = null; + } } + var CACHE = []; - // 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.IE) + window.attachEvent('onunload', _destroyCache); - // 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) { + 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); + }; } - return { - observe: function(element, eventName, handler) { - element = $(element); - var name = getDOMEventName(eventName); + function observe(element, eventName, handler) { + element = $(element); - var wrapper = createWrapper(element, eventName, handler); - if (!wrapper) return element; + var responder = _createResponder(element, eventName, handler); - if (element.addEventListener) { - element.addEventListener(name, wrapper, false); - } else { - element.attachEvent("on" + name, wrapper); + if (!responder) return element; + + if (eventName.include(':')) { + if (element.addEventListener) + element.addEventListener("dataavailable", responder, false); + else { + element.attachEvent("ondataavailable", responder); + element.attachEvent("onlosecapture", responder); } + } 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; - }, + } - stopObserving: function(element, eventName, handler) { - element = $(element); - var id = getEventID(element), name = getDOMEventName(eventName); + var responders = registry.get(eventName); + if (!responders) return element; - if (!handler && eventName) { - getWrappersForEventName(id, eventName).each(function(wrapper) { - element.stopObserving(eventName, wrapper.handler); - }); - return element; + if (!handler) { + responders.each(function(r) { + stopObserving(element, eventName, r.handler); + }); + return element; + } - } else if (!eventName) { - Object.keys(getCacheForID(id)).each(function(eventName) { - element.stopObserving(eventName); - }); - 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 { + var actualEventName = _getDOMEventName(eventName); + if (element.removeEventListener) + element.removeEventListener(actualEventName, responder, false); + else + element.detachEvent('on' + actualEventName, responder); + } - var wrapper = findWrapper(id, eventName, handler); - if (!wrapper) return element; + registry.set(eventName, responders.without(responder)); - if (element.removeEventListener) { - element.removeEventListener(name, wrapper, false); - } else { - element.detachEvent("on" + name, wrapper); - } + return element; + } - destroyWrapper(id, eventName, handler); + function fire(element, eventName, memo, bubble) { + element = $(element); - return element; - }, + if (Object.isUndefined(bubble)) + bubble = true; - fire: function(element, eventName, memo) { - element = $(element); - if (element == document && document.createEvent && !element.dispatchEvent) - element = document.documentElement; + if (element == document && document.createEvent && !element.dispatchEvent) + element = document.documentElement; - var event; - if (document.createEvent) { - event = document.createEvent("HTMLEvents"); - event.initEvent("dataavailable", true, true); - } else { - event = document.createEventObject(); - event.eventType = "ondataavailable"; - } + 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 || { }; + event.eventName = eventName; + event.memo = memo || { }; - if (document.createEvent) { - element.dispatchEvent(event); - } else { - element.fireEvent(event.eventType, event); - } + 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); + }, + + start: function() { + Event.observe(this.element, this.eventName, this.handler); + return this; + }, + + stop: function() { + Event.stopObserving(this.element, this.eventName, this.handler); + return this; + }, - return Event.extend(event); + handleEvent: function(event) { + var element = Event.findElement(event, this.selector); + if (element) this.callback.call(this.element, event, element); } - }; -})()); + }); -Object.extend(Event, Event.Methods); + function on(element, eventName, selector, callback) { + element = $(element); + if (Object.isFunction(selector) && Object.isUndefined(callback)) { + callback = selector, selector = null; + } -Element.addMethods({ - fire: Event.fire, - observe: Event.observe, - stopObserving: Event.stopObserving -}); + return new Event.Handler(element, eventName, selector, callback).start(); + } -Object.extend(document, { - fire: Element.Methods.fire.methodize(), - observe: Element.Methods.observe.methodize(), - stopObserving: Element.Methods.stopObserving.methodize(), - loaded: false -}); + Object.extend(Event, Event.Methods); + + Object.extend(Event, { + fire: fire, + observe: observe, + stopObserving: stopObserving, + on: on + }); + + Element.addMethods({ + fire: fire, + + observe: observe, + + stopObserving: stopObserving, + + on: on + }); + + Object.extend(document, { + fire: fire.methodize(), + + observe: observe.methodize(), + + stopObserving: stopObserving.methodize(), + + on: on.methodize(), + + loaded: false + }); + + if (window.Event) Object.extend(window.Event, Event); + else window.Event = Event; +})(); (function() { /* Support for the DOMContentLoaded event is based on work by Dan Webb, - Matthias Miller, Dean Edwards and John Resig. */ + Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */ var timer; function fireContentLoadedEvent() { if (document.loaded) return; - if (timer) window.clearInterval(timer); - document.fire("dom:loaded"); + if (timer) window.clearTimeout(timer); document.loaded = true; + document.fire('dom:loaded'); } - if (document.addEventListener) { - if (Prototype.Browser.WebKit) { - timer = window.setInterval(function() { - if (/loaded|complete/.test(document.readyState)) - fireContentLoadedEvent(); - }, 0); - - Event.observe(window, "load", fireContentLoadedEvent); + function checkReadyState() { + if (document.readyState === 'complete') { + document.stopObserving('readystatechange', checkReadyState); + fireContentLoadedEvent(); + } + } - } else { - document.addEventListener("DOMContentLoaded", - fireContentLoadedEvent, false); + function pollDoScroll() { + try { document.documentElement.doScroll('left'); } + catch(e) { + timer = pollDoScroll.defer(); + return; } + fireContentLoadedEvent(); + } + if (document.addEventListener) { + document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false); } else { - document.write("