X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..41497a896330304904ef6d5783c724ea713739f6:/wp-includes/js/prototype.js diff --git a/wp-includes/js/prototype.js b/wp-includes/js/prototype.js index a3f21ac7..9fe6e124 100644 --- a/wp-includes/js/prototype.js +++ b/wp-includes/js/prototype.js @@ -1,27 +1,49 @@ -/* Prototype JavaScript framework, version 1.5.1.1 - * (c) 2005-2007 Sam Stephenson +/* Prototype JavaScript framework, version 1.6.1 + * (c) 2005-2009 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/ * -/*--------------------------------------------------------------------------*/ + *--------------------------------------------------------------------------*/ var Prototype = { - Version: '1.5.1.1', - - Browser: { - IE: !!(window.attachEvent && !window.opera), - Opera: !!window.opera, - WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, - Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1 - }, + Version: '1.6.1', + + 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.*Safari/.test(ua) + } + })(), BrowserFeatures: { XPath: !!document.evaluate, - ElementExtensions: !!window.HTMLElement, - SpecificElementExtensions: - (document.createElement('div').__proto__ !== - document.createElement('form').__proto__) + SelectorsAPI: !!document.querySelector, + ElementExtensions: (function() { + var constructor = window.Element || window.HTMLElement; + return !!(constructor && constructor.prototype); + })(), + SpecificElementExtensions: (function() { + if (typeof window.HTMLDivElement !== 'undefined') + return true; + + var div = document.createElement('div'); + var form = document.createElement('form'); + var isSupported = false; + + if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) { + isSupported = true; + } + + div = form = null; + + return isSupported; + })() }, ScriptFragment: ']*>([\\S\\s]*?)<\/script>', @@ -29,143 +51,323 @@ var Prototype = { emptyFunction: function() { }, K: function(x) { return x } -} +}; -var Class = { - create: function() { - return function() { +if (Prototype.Browser.MobileSafari) + Prototype.BrowserFeatures.SpecificElementExtensions = false; + + +var Abstract = { }; + + +var Try = { + these: function() { + var returnValue; + + for (var i = 0, length = arguments.length; i < length; i++) { + var lambda = arguments[i]; + try { + returnValue = lambda(); + break; + } catch (e) { } + } + + return returnValue; + } +}; + +/* Based on Alex Arnell's inheritance implementation. */ + +var Class = (function() { + function subclass() {}; + function create() { + var parent = null, properties = $A(arguments); + if (Object.isFunction(properties[0])) + parent = properties.shift(); + + function klass() { this.initialize.apply(this, arguments); } + + Object.extend(klass, Class.Methods); + klass.superclass = parent; + klass.subclasses = []; + + if (parent) { + subclass.prototype = parent.prototype; + klass.prototype = new subclass; + parent.subclasses.push(klass); + } + + for (var i = 0; i < properties.length; i++) + klass.addMethods(properties[i]); + + if (!klass.prototype.initialize) + klass.prototype.initialize = Prototype.emptyFunction; + + klass.prototype.constructor = klass; + return klass; } -} -var Abstract = new Object(); + function addMethods(source) { + var ancestor = this.superclass && this.superclass.prototype; + var properties = Object.keys(source); + + if (!Object.keys({ toString: true }).length) { + if (source.toString != Object.prototype.toString) + properties.push("toString"); + if (source.valueOf != Object.prototype.valueOf) + properties.push("valueOf"); + } + + for (var i = 0, length = properties.length; i < length; i++) { + var property = properties[i], value = source[property]; + if (ancestor && Object.isFunction(value) && + value.argumentNames().first() == "$super") { + var method = value; + value = (function(m) { + return function() { return ancestor[m].apply(this, arguments); }; + })(property).wrap(method); + + value.valueOf = method.valueOf.bind(method); + value.toString = method.toString.bind(method); + } + this.prototype[property] = value; + } -Object.extend = function(destination, source) { - for (var property in source) { - destination[property] = source[property]; + return this; } - return destination; -} -Object.extend(Object, { - inspect: function(object) { + return { + create: create, + Methods: { + addMethods: addMethods + } + }; +})(); +(function() { + + var _toString = Object.prototype.toString; + + function extend(destination, source) { + for (var property in source) + destination[property] = source[property]; + return destination; + } + + function inspect(object) { try { - if (object === undefined) return 'undefined'; + if (isUndefined(object)) return 'undefined'; if (object === null) return 'null'; - return object.inspect ? object.inspect() : object.toString(); + return object.inspect ? object.inspect() : String(object); } catch (e) { if (e instanceof RangeError) return '...'; throw e; } - }, + } - toJSON: function(object) { + function toJSON(object) { var type = typeof object; - switch(type) { + switch (type) { case 'undefined': case 'function': case 'unknown': return; case 'boolean': return object.toString(); } + if (object === null) return 'null'; if (object.toJSON) return object.toJSON(); - if (object.ownerDocument === document) return; + if (isElement(object)) return; + var results = []; for (var property in object) { - var value = Object.toJSON(object[property]); - if (value !== undefined) + var value = toJSON(object[property]); + if (!isUndefined(value)) results.push(property.toJSON() + ': ' + value); } + return '{' + results.join(', ') + '}'; - }, + } + + function toQueryString(object) { + return $H(object).toQueryString(); + } - keys: function(object) { - var keys = []; + function toHTML(object) { + return object && object.toHTML ? object.toHTML() : String.interpret(object); + } + + function keys(object) { + var results = []; for (var property in object) - keys.push(property); - return keys; - }, + 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); } -}); -Function.prototype.bind = function() { - var __method = this, args = $A(arguments), object = args.shift(); - return function() { - return __method.apply(object, args.concat($A(arguments))); + function isElement(object) { + return !!(object && object.nodeType == 1); } -} -Function.prototype.bindAsEventListener = function(object) { - var __method = this, args = $A(arguments), object = args.shift(); - return function(event) { - return __method.apply(object, [event || window.event].concat(args)); + function isArray(object) { + return _toString.call(object) == "[object Array]"; } -} -Object.extend(Number.prototype, { - toColorPart: function() { - return this.toPaddedString(2, 16); - }, - succ: function() { - return this + 1; - }, + function isHash(object) { + return object instanceof Hash; + } - times: function(iterator) { - $R(0, this, true).each(iterator); - return this; - }, + function isFunction(object) { + return typeof object === "function"; + } - toPaddedString: function(length, radix) { - var string = this.toString(radix || 10); - return '0'.times(length - string.length) + string; - }, + function isString(object) { + return _toString.call(object) == "[object String]"; + } - toJSON: function() { - return isFinite(this) ? this.toString() : 'null'; + function isNumber(object) { + return _toString.call(object) == "[object Number]"; } -}); -Date.prototype.toJSON = function() { - return '"' + this.getFullYear() + '-' + - (this.getMonth() + 1).toPaddedString(2) + '-' + - this.getDate().toPaddedString(2) + 'T' + - this.getHours().toPaddedString(2) + ':' + - this.getMinutes().toPaddedString(2) + ':' + - this.getSeconds().toPaddedString(2) + '"'; -}; + function isUndefined(object) { + return typeof object === "undefined"; + } -var Try = { - these: function() { - var returnValue; + extend(Object, { + extend: extend, + inspect: inspect, + toJSON: toJSON, + toQueryString: toQueryString, + toHTML: toHTML, + keys: keys, + values: values, + clone: clone, + isElement: isElement, + isArray: isArray, + isHash: isHash, + isFunction: isFunction, + isString: isString, + isNumber: isNumber, + isUndefined: isUndefined + }); +})(); +Object.extend(Function.prototype, (function() { + var slice = Array.prototype.slice; - for (var i = 0, length = arguments.length; i < length; i++) { - var lambda = arguments[i]; - try { - returnValue = lambda(); - break; - } catch (e) {} + function update(array, args) { + var arrayLength = array.length, length = args.length; + while (length--) array[arrayLength + length] = args[length]; + return array; + } + + 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; + } + + function bind(context) { + if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; + var __method = this, args = slice.call(arguments, 1); + return function() { + var a = merge(args, arguments); + return __method.apply(context, a); } + } - return returnValue; + function bindAsEventListener(context) { + var __method = this, args = slice.call(arguments, 1); + return function(event) { + var a = update([event || window.event], args); + return __method.apply(context, a); + } } -} -/*--------------------------------------------------------------------------*/ + function curry() { + if (!arguments.length) return this; + var __method = this, args = slice.call(arguments, 0); + return function() { + var a = merge(args, arguments); + return __method.apply(this, a); + } + } + + function delay(timeout) { + var __method = this, args = slice.call(arguments, 1); + timeout = timeout * 1000 + return window.setTimeout(function() { + return __method.apply(__method, args); + }, timeout); + } + + function defer() { + var args = update([0.01], arguments); + return this.delay.apply(this, args); + } + + function wrap(wrapper) { + var __method = this; + return function() { + var a = update([__method.bind(this)], arguments); + return wrapper.apply(this, a); + } + } -var PeriodicalExecuter = Class.create(); -PeriodicalExecuter.prototype = { + function methodize() { + if (this._methodized) return this._methodized; + var __method = this; + return this._methodized = function() { + var a = update([this], arguments); + return __method.apply(null, a); + }; + } + + return { + argumentNames: argumentNames, + bind: bind, + bindAsEventListener: bindAsEventListener, + curry: curry, + delay: delay, + defer: defer, + wrap: wrap, + methodize: methodize + } +})()); + + +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"'; +}; + + +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; this.frequency = frequency; @@ -178,6 +380,10 @@ PeriodicalExecuter.prototype = { this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); }, + execute: function() { + this.callback(this); + }, + stop: function() { if (!this.timer) return; clearInterval(this.timer); @@ -188,13 +394,15 @@ PeriodicalExecuter.prototype = { if (!this.currentlyExecuting) { try { this.currentlyExecuting = true; - this.callback(this); - } finally { + this.execute(); this.currentlyExecuting = false; + } catch(e) { + this.currentlyExecuting = false; + throw e; } } } -} +}); Object.extend(String, { interpret: function(value) { return value == null ? '' : String(value); @@ -209,10 +417,25 @@ Object.extend(String, { } }); -Object.extend(String.prototype, { - gsub: function(pattern, replacement) { +Object.extend(String.prototype, (function() { + + 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)) { @@ -224,104 +447,97 @@ Object.extend(String.prototype, { } } return result; - }, + } - sub: function(pattern, replacement, count) { - replacement = this.gsub.prepareReplacement(replacement); - count = count === undefined ? 1 : count; + 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 this; - }, + return String(this); + } - truncate: function(length, truncation) { + function truncate(length, truncation) { length = length || 30; - truncation = truncation === undefined ? '...' : truncation; + truncation = Object.isUndefined(truncation) ? '...' : truncation; return this.length > length ? - this.slice(0, length - truncation.length) + truncation : this; - }, + this.slice(0, length - truncation.length) + truncation : String(this); + } - strip: function() { + 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() { + function extractScripts() { var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); return (this.match(matchAll) || []).map(function(scriptTag) { return (scriptTag.match(matchOne) || ['', ''])[1]; }); - }, + } - 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,'>'); + } + + function unescapeHTML() { + return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); + } - unescapeHTML: function() { - var div = document.createElement('div'); - div.innerHTML = this.stripTags(); - return div.childNodes[0] ? (div.childNodes.length > 1 ? - $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : - div.childNodes[0].nodeValue) : ''; - }, - toQueryParams: function(separator) { + function toQueryParams(separator) { var match = this.strip().match(/([^?#]*)(#.*)?$/); - if (!match) return {}; + if (!match) return { }; - return match[1].split(separator || '&').inject({}, function(hash, pair) { + return match[1].split(separator || '&').inject({ }, function(hash, pair) { if ((pair = pair.split('='))[0]) { var key = decodeURIComponent(pair.shift()); var value = pair.length > 1 ? pair.join('=') : pair[0]; if (value != undefined) value = decodeURIComponent(value); if (key in hash) { - if (hash[key].constructor != Array) hash[key] = [hash[key]]; + if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; hash[key].push(value); } else hash[key] = value; } 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) { - var result = ''; - for (var i = 0; i < count; i++) result += this; - return result; - }, + function times(count) { + return count < 1 ? '' : new Array(count + 1).join(this); + } - camelize: function() { + function camelize() { var parts = this.split('-'), len = parts.length; if (len == 1) return parts[0]; @@ -333,192 +549,243 @@ Object.extend(String.prototype, { camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); return camelized; - }, + } - 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() { + function toJSON() { 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() { - var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); + 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]*$/).test(str); - }, + } - evalJSON: function(sanitize) { + function evalJSON(sanitize) { var json = this.unfilterJSON(); try { if (!sanitize || json.isJSON()) return eval('(' + json + ')'); } catch (e) { } throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); - }, + } - include: function(pattern) { + function include(pattern) { return this.indexOf(pattern) > -1; - }, + } - startsWith: function(pattern) { + function startsWith(pattern) { return this.indexOf(pattern) === 0; - }, + } - endsWith: function(pattern) { + function endsWith(pattern) { var d = this.length - pattern.length; return d >= 0 && this.lastIndexOf(pattern) === d; - }, + } - empty: function() { + function empty() { return this == ''; - }, + } - blank: function() { + function blank() { return /^\s*$/.test(this); } -}); -if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { - escapeHTML: function() { - return this.replace(/&/g,'&').replace(//g,'>'); - }, - unescapeHTML: function() { - return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); + function interpolate(object, pattern) { + return new Template(this, pattern).evaluate(object); } -}); -String.prototype.gsub.prepareReplacement = function(replacement) { - if (typeof replacement == 'function') 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('') -}); - -with (String.prototype.escapeHTML) div.appendChild(text); + return { + gsub: gsub, + sub: sub, + scan: scan, + truncate: truncate, + strip: String.prototype.trim ? 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, + toJSON: toJSON, + unfilterJSON: unfilterJSON, + isJSON: isJSON, + evalJSON: evalJSON, + include: include, + startsWith: startsWith, + endsWith: endsWith, + empty: empty, + blank: blank, + interpolate: interpolate + }; +})()); -var Template = Class.create(); -Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -Template.prototype = { +var Template = Class.create({ initialize: function(template, pattern) { this.template = template.toString(); - this.pattern = pattern || Template.Pattern; + this.pattern = pattern || Template.Pattern; }, evaluate: function(object) { + if (object && Object.isFunction(object.toTemplateReplacements)) + object = object.toTemplateReplacements(); + return this.template.gsub(this.pattern, function(match) { - var before = match[1]; + if (object == null) return (match[1] + ''); + + var before = match[1] || ''; if (before == '\\') return match[2]; - return before + String.interpret(object[match[3]]); + + var ctx = object, expr = match[3]; + var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; + match = pattern.exec(expr); + if (match == null) return before; + + while (match != null) { + var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1]; + ctx = ctx[comp]; + if (null == ctx || '' == match[3]) break; + expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); + match = pattern.exec(expr); + } + + return before + String.interpret(ctx); }); } -} +}); +Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead'); +var $break = { }; -var Enumerable = { - each: function(iterator) { +var Enumerable = (function() { + function each(iterator, context) { var index = 0; try { this._each(function(value) { - iterator(value, index++); + iterator.call(context, value, index++); }); } catch (e) { if (e != $break) throw e; } return this; - }, + } - eachSlice: function(number, iterator) { + 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.map(iterator); - }, + return slices.collect(iterator, context); + } - all: function(iterator) { + function all(iterator, context) { + iterator = iterator || Prototype.K; var result = true; this.each(function(value, index) { - result = result && !!(iterator || Prototype.K)(value, index); + result = result && !!iterator.call(context, value, index); if (!result) throw $break; }); return result; - }, + } - any: function(iterator) { + function any(iterator, context) { + iterator = iterator || Prototype.K; var result = false; this.each(function(value, index) { - if (result = !!(iterator || Prototype.K)(value, index)) + if (result = !!iterator.call(context, value, index)) throw $break; }); return result; - }, + } - collect: function(iterator) { + function collect(iterator, context) { + iterator = iterator || Prototype.K; var results = []; this.each(function(value, index) { - results.push((iterator || Prototype.K)(value, index)); + results.push(iterator.call(context, value, index)); }); return results; - }, + } - detect: function(iterator) { + function detect(iterator, context) { var result; this.each(function(value, index) { - if (iterator(value, index)) { + if (iterator.call(context, value, index)) { result = value; throw $break; } }); return result; - }, + } - findAll: function(iterator) { + function findAll(iterator, context) { var results = []; this.each(function(value, index) { - if (iterator(value, index)) + if (iterator.call(context, value, index)) results.push(value); }); return results; - }, + } - grep: function(pattern, iterator) { + function grep(filter, iterator, context) { + iterator = iterator || Prototype.K; var results = []; + + if (Object.isString(filter)) + filter = new RegExp(RegExp.escape(filter)); + this.each(function(value, index) { - var stringValue = value.toString(); - if (stringValue.match(pattern)) - results.push((iterator || Prototype.K)(value, index)); - }) + if (filter.match(value)) + results.push(iterator.call(context, value, index)); + }); return results; - }, + } + + function include(object) { + if (Object.isFunction(this.indexOf)) + if (this.indexOf(object) != -1) return true; - include: function(object) { var found = false; this.each(function(value) { if (value == object) { @@ -527,407 +794,521 @@ var Enumerable = { } }); return found; - }, + } - inGroupsOf: function(number, fillWith) { - fillWith = fillWith === undefined ? null : 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) { + function inject(memo, iterator, context) { this.each(function(value, index) { - memo = iterator(memo, 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) { + function max(iterator, context) { + iterator = iterator || Prototype.K; var result; this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value >= result) + value = iterator.call(context, value, index); + if (result == null || value >= result) result = value; }); return result; - }, + } - min: function(iterator) { + function min(iterator, context) { + iterator = iterator || Prototype.K; var result; this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value < result) + value = iterator.call(context, value, index); + if (result == null || value < result) result = value; }); return result; - }, + } - partition: function(iterator) { + function partition(iterator, context) { + iterator = iterator || Prototype.K; var trues = [], falses = []; this.each(function(value, index) { - ((iterator || Prototype.K)(value, index) ? + (iterator.call(context, value, index) ? trues : falses).push(value); }); return [trues, falses]; - }, + } - pluck: function(property) { + function pluck(property) { var results = []; - this.each(function(value, index) { + this.each(function(value) { results.push(value[property]); }); return results; - }, + } - reject: function(iterator) { + function reject(iterator, context) { var results = []; this.each(function(value, index) { - if (!iterator(value, index)) + if (!iterator.call(context, value, index)) results.push(value); }); return results; - }, + } - sortBy: function(iterator) { + function sortBy(iterator, context) { return this.map(function(value, index) { - return {value: value, criteria: iterator(value, index)}; + return { + value: value, + criteria: iterator.call(context, value, index) + }; }).sort(function(left, right) { 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 = $A(arguments); - if (typeof args.last() == 'function') + if (Object.isFunction(args.last())) iterator = args.pop(); var collections = [this].concat(args).map($A); 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, - member: Enumerable.include, - entries: Enumerable.toArray -}); -var $A = Array.from = function(iterable) { + + + + + + + + + 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(); - } else { - var results = []; - for (var i = 0, length = iterable.length; i < length; i++) - results.push(iterable[i]); - return results; - } + 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 = Array.from = function(iterable) { - if (!iterable) return []; - if (!(typeof iterable == 'function' && iterable == '[object NodeList]') && - iterable.toArray) { - return iterable.toArray(); - } else { - var results = []; - for (var i = 0, length = iterable.length; i < length; i++) - results.push(iterable[i]); - return results; - } - } +function $w(string) { + if (!Object.isString(string)) return []; + string = string.strip(); + return string ? string.split(/\s+/) : []; } -Object.extend(Array.prototype, Enumerable); +Array.from = $A; -if (!Array.prototype._reverse) - Array.prototype._reverse = Array.prototype.reverse; -Object.extend(Array.prototype, { - _each: function(iterator) { +(function() { + var arrayProto = Array.prototype, + slice = arrayProto.slice, + _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available + + function each(iterator) { for (var i = 0, length = this.length; i < length; i++) iterator(this[i]); - }, + } + 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(value && value.constructor == Array ? - 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); }); - }, - - indexOf: function(object) { - for (var i = 0, length = this.length; i < length; i++) - if (this[i] == object) return i; - return -1; - }, + } - reverse: function(inline) { + function reverse(inline) { return (inline !== false ? this : this.toArray())._reverse(); - }, - - reduce: function() { - return this.length > 1 ? this : this[0]; - }, + } - 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; }); - }, + } + + 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() { + function toJSON() { var results = []; this.each(function(object) { var value = Object.toJSON(object); - if (value !== undefined) results.push(value); + if (!Object.isUndefined(value)) results.push(value); }); return '[' + results.join(', ') + ']'; } -}); -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) { - 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 (arguments[i].constructor == Array) { - 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; } -} -var Hash = function(object) { - if (object instanceof Hash) this.merge(object); - else Object.extend(this, object || {}); -}; -Object.extend(Hash, { - toQueryString: function(obj) { - var parts = []; - parts.add = arguments.callee.addPair; + 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, + toJSON: toJSON + }); - this.prototype._each.call(obj, function(pair) { - if (!pair.key) return; - var value = pair.value; + var CONCAT_ARGUMENTS_BUGGY = (function() { + return [].concat(arguments)[0][0] !== 1; + })(1,2) - if (value && typeof value == 'object') { - if (value.constructor == Array) value.each(function(value) { - parts.add(pair.key, value); - }); - return; - } - parts.add(pair.key, value); - }); + if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat; - return parts.join('&'); - }, + if (!arrayProto.indexOf) arrayProto.indexOf = indexOf; + if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf; +})(); +function $H(object) { + return new Hash(object); +}; - toJSON: function(object) { - var results = []; - this.prototype._each.call(object, function(pair) { - var value = Object.toJSON(pair.value); - if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value); - }); - return '{' + results.join(', ') + '}'; +var Hash = Class.create(Enumerable, (function() { + function initialize(object) { + this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); } -}); - -Hash.toQueryString.addPair = function(key, value, prefix) { - key = encodeURIComponent(key); - if (value === undefined) this.push(key); - else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value))); -} - -Object.extend(Hash.prototype, Enumerable); -Object.extend(Hash.prototype, { - _each: function(iterator) { - for (var key in this) { - var value = this[key]; - if (value && value == Hash.prototype[key]) continue; - var pair = [key, 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); } - }, + } + + function set(key, value) { + return this._object[key] = value; + } + + function get(key) { + if (this._object[key] !== Object.prototype[key]) + return this._object[key]; + } + + function unset(key) { + var value = this._object[key]; + delete this._object[key]; + return value; + } + + function toObject() { + return Object.clone(this._object); + } - keys: function() { + function keys() { return this.pluck('key'); - }, + } - values: function() { + function values() { return this.pluck('value'); - }, + } - merge: function(hash) { - return $H(hash).inject(this, function(mergedHash, pair) { - mergedHash[pair.key] = pair.value; - return mergedHash; + function index(value) { + var match = this.detect(function(pair) { + return pair.value === value; }); - }, + return match && match.key; + } - remove: function() { - var result; - for(var i = 0, length = arguments.length; i < length; i++) { - var value = this[arguments[i]]; - if (value !== undefined){ - if (result === undefined) result = value; - else { - if (result.constructor != Array) result = [result]; - result.push(value) - } - } - delete this[arguments[i]]; - } - return result; - }, + function merge(object) { + return this.clone().update(object); + } - toQueryString: function() { - return Hash.toQueryString(this); - }, + function update(object) { + return new Hash(object).inject(this, function(result, pair) { + result.set(pair.key, pair.value); + return result; + }); + } - inspect: function() { + function toQueryPair(key, value) { + if (Object.isUndefined(value)) return key; + return key + '=' + encodeURIComponent(String.interpret(value)); + } + + function toQueryString() { + return this.inject([], function(results, pair) { + var key = encodeURIComponent(pair.key), values = pair.value; + + if (values && typeof values == 'object') { + if (Object.isArray(values)) + return results.concat(values.map(toQueryPair.curry(key))); + } else results.push(toQueryPair(key, values)); + return results; + }).join('&'); + } + + function inspect() { return '#'; - }, + } - toJSON: function() { - return Hash.toJSON(this); + function toJSON() { + return Object.toJSON(this.toObject()); } -}); -function $H(object) { - if (object instanceof Hash) return object; - return new Hash(object); -}; + function clone() { + return new Hash(this); + } -// Safari iterates over shadowed properties -if (function() { - var i = 0, Test = function(value) { this.key = value }; - Test.prototype.key = 'foo'; - for (var property in new Test('bar')) i++; - return i > 1; -}()) Hash.prototype._each = function(iterator) { - var cache = []; - for (var key in this) { - var value = this[key]; - if ((value && value == Hash.prototype[key]) || cache.include(key)) continue; - cache.push(key); - var pair = [key, value]; - pair.key = key; - pair.value = value; - iterator(pair); + 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: toJSON, + clone: clone + }; +})()); + +Hash.from = $H; +Object.extend(Number.prototype, (function() { + function toColorPart() { + return this.toPaddedString(2, 16); } -}; -ObjectRange = Class.create(); -Object.extend(ObjectRange.prototype, Enumerable); -Object.extend(ObjectRange.prototype, { - initialize: function(start, end, exclusive) { + + 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 toJSON() { + return isFinite(this) ? this.toString() : 'null'; + } + + 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, + toJSON: toJSON, + 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 Ajax = { getTransport: function() { @@ -939,7 +1320,7 @@ var Ajax = { }, activeRequestCount: 0 -} +}; Ajax.Responders = { responders: [], @@ -959,10 +1340,10 @@ Ajax.Responders = { dispatch: function(callback, request, transport, json) { this.each(function(responder) { - if (typeof responder[callback] == 'function') { + if (Object.isFunction(responder[callback])) { try { responder[callback].apply(responder, [request, transport, json]); - } catch (e) {} + } catch (e) { } } }); } @@ -971,42 +1352,36 @@ Ajax.Responders = { Object.extend(Ajax.Responders, Enumerable); Ajax.Responders.register({ - onCreate: function() { - Ajax.activeRequestCount++; - }, - onComplete: function() { - Ajax.activeRequestCount--; - } + onCreate: function() { Ajax.activeRequestCount++ }, + onComplete: function() { Ajax.activeRequestCount-- } }); - -Ajax.Base = function() {}; -Ajax.Base.prototype = { - setOptions: function(options) { +Ajax.Base = Class.create({ + initialize: function(options) { this.options = { method: 'post', asynchronous: true, contentType: 'application/x-www-form-urlencoded', encoding: 'UTF-8', - parameters: '' - } - Object.extend(this.options, options || {}); + parameters: '', + evalJSON: true, + evalJS: true + }; + Object.extend(this.options, options || { }); this.options.method = this.options.method.toLowerCase(); - if (typeof this.options.parameters == 'string') + + if (Object.isString(this.options.parameters)) this.options.parameters = this.options.parameters.toQueryParams(); + else if (Object.isHash(this.options.parameters)) + this.options.parameters = this.options.parameters.toObject(); } -} - -Ajax.Request = Class.create(); -Ajax.Request.Events = - ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; - -Ajax.Request.prototype = Object.extend(new Ajax.Base(), { +}); +Ajax.Request = Class.create(Ajax.Base, { _complete: false, - initialize: function(url, options) { + initialize: function($super, url, options) { + $super(options); this.transport = Ajax.getTransport(); - this.setOptions(options); this.request(url); }, @@ -1016,15 +1391,13 @@ Ajax.Request.prototype = Object.extend(new Ajax.Base(), { var params = Object.clone(this.options.parameters); if (!['get', 'post'].include(this.method)) { - // simulate other verbs over post params['_method'] = this.method; this.method = 'post'; } this.parameters = params; - if (params = Hash.toQueryString(params)) { - // when GET, append parameters to URL + if (params = Object.toQueryString(params)) { if (this.method == 'get') this.url += (this.url.include('?') ? '&' : '?') + params; else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) @@ -1032,14 +1405,14 @@ Ajax.Request.prototype = Object.extend(new Ajax.Base(), { } try { - if (this.options.onCreate) this.options.onCreate(this.transport); - Ajax.Responders.dispatch('onCreate', this, this.transport); + var response = new Ajax.Response(this); + if (this.options.onCreate) this.options.onCreate(response); + Ajax.Responders.dispatch('onCreate', this, response); this.transport.open(this.method.toUpperCase(), this.url, this.options.asynchronous); - if (this.options.asynchronous) - setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); + if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); this.transport.onreadystatechange = this.onStateChange.bind(this); this.setRequestHeaders(); @@ -1083,11 +1456,10 @@ Ajax.Request.prototype = Object.extend(new Ajax.Base(), { headers['Connection'] = 'close'; } - // user-defined headers if (typeof this.options.requestHeaders == 'object') { var extras = this.options.requestHeaders; - if (typeof extras.push == 'function') + if (Object.isFunction(extras.push)) for (var i = 0, length = extras.length; i < length; i += 2) headers[extras[i]] = extras[i+1]; else @@ -1099,54 +1471,61 @@ Ajax.Request.prototype = Object.extend(new Ajax.Base(), { }, success: function() { - return !this.transport.status - || (this.transport.status >= 200 && this.transport.status < 300); + var status = this.getStatus(); + return !status || (status >= 200 && status < 300); + }, + + getStatus: function() { + try { + return this.transport.status || 0; + } catch (e) { return 0 } }, respondToReadyState: function(readyState) { - var state = Ajax.Request.Events[readyState]; - var transport = this.transport, json = this.evalJSON(); + var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); if (state == 'Complete') { try { this._complete = true; - (this.options['on' + this.transport.status] + (this.options['on' + response.status] || this.options['on' + (this.success() ? 'Success' : 'Failure')] - || Prototype.emptyFunction)(transport, json); + || Prototype.emptyFunction)(response, response.headerJSON); } catch (e) { this.dispatchException(e); } - var contentType = this.getHeader('Content-type'); - if (contentType && contentType.strip(). - match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) - this.evalResponse(); + var contentType = response.getHeader('Content-type'); + if (this.options.evalJS == 'force' + || (this.options.evalJS && this.isSameOrigin() && contentType + && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) + this.evalResponse(); } try { - (this.options['on' + state] || Prototype.emptyFunction)(transport, json); - Ajax.Responders.dispatch('on' + state, this, transport, json); + (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); + Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); } catch (e) { this.dispatchException(e); } if (state == 'Complete') { - // avoid memory leak in MSIE: clean up this.transport.onreadystatechange = Prototype.emptyFunction; } }, - getHeader: function(name) { - try { - return this.transport.getResponseHeader(name); - } catch (e) { return null } + isSameOrigin: function() { + var m = this.url.match(/^\s*https?:\/\/[^\/]*/); + return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ + protocol: location.protocol, + domain: document.domain, + port: location.port ? ':' + location.port : '' + })); }, - evalJSON: function() { + getHeader: function(name) { try { - var json = this.getHeader('X-JSON'); - return json ? json.evalJSON() : null; - } catch (e) { return null } + return this.transport.getResponseHeader(name) || null; + } catch (e) { return null; } }, evalResponse: function() { @@ -1163,96 +1542,177 @@ Ajax.Request.prototype = Object.extend(new Ajax.Base(), { } }); -Ajax.Updater = Class.create(); +Ajax.Request.Events = + ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; -Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { - initialize: function(container, url, options) { - this.container = { - success: (container.success || container), - failure: (container.failure || (container.success ? null : container)) - } - this.transport = Ajax.getTransport(); - this.setOptions(options); - var onComplete = this.options.onComplete || Prototype.emptyFunction; - this.options.onComplete = (function(transport, param) { - this.updateContent(); - onComplete(transport, param); - }).bind(this); - this.request(url); - }, - updateContent: function() { - var receiver = this.container[this.success() ? 'success' : 'failure']; - var response = this.transport.responseText; - if (!this.options.evalScripts) response = response.stripScripts(); - if (receiver = $(receiver)) { - if (this.options.insertion) - new this.options.insertion(receiver, response); - else - receiver.update(response); + +Ajax.Response = Class.create({ + initialize: function(request){ + this.request = request; + var transport = this.transport = request.transport, + readyState = this.readyState = transport.readyState; + + if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { + this.status = this.getStatus(); + this.statusText = this.getStatusText(); + this.responseText = String.interpret(transport.responseText); + this.headerJSON = this._getHeaderJSON(); } - if (this.success()) { - if (this.onComplete) - setTimeout(this.onComplete.bind(this), 10); + if(readyState == 4) { + var xml = transport.responseXML; + this.responseXML = Object.isUndefined(xml) ? null : xml; + this.responseJSON = this._getResponseJSON(); } - } -}); + }, -Ajax.PeriodicalUpdater = Class.create(); -Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { - initialize: function(container, url, options) { - this.setOptions(options); - this.onComplete = this.options.onComplete; + status: 0, - this.frequency = (this.options.frequency || 2); - this.decay = (this.options.decay || 1); + statusText: '', - this.updater = {}; - this.container = container; - this.url = url; + getStatus: Ajax.Request.prototype.getStatus, - this.start(); + getStatusText: function() { + try { + return this.transport.statusText || ''; + } catch (e) { return '' } }, - start: function() { - this.options.onComplete = this.updateComplete.bind(this); - this.onTimerEvent(); + getHeader: Ajax.Request.prototype.getHeader, + + getAllHeaders: function() { + try { + return this.getAllResponseHeaders(); + } catch (e) { return null } }, - stop: function() { - this.updater.options.onComplete = undefined; - clearTimeout(this.timer); - (this.onComplete || Prototype.emptyFunction).apply(this, arguments); + getResponseHeader: function(name) { + return this.transport.getResponseHeader(name); }, - updateComplete: function(request) { - if (this.options.decay) { - this.decay = (request.responseText == this.lastText ? - this.decay * this.options.decay : 1); + getAllResponseHeaders: function() { + return this.transport.getAllResponseHeaders(); + }, + + _getHeaderJSON: function() { + var json = this.getHeader('X-JSON'); + if (!json) return null; + json = decodeURIComponent(escape(json)); + try { + return json.evalJSON(this.request.options.sanitizeJSON || + !this.request.isSameOrigin()); + } catch (e) { + this.request.dispatchException(e); + } + }, + + _getResponseJSON: function() { + var options = this.request.options; + if (!options.evalJSON || (options.evalJSON != 'force' && + !(this.getHeader('Content-type') || '').include('application/json')) || + this.responseText.blank()) + return null; + try { + return this.responseText.evalJSON(options.sanitizeJSON || + !this.request.isSameOrigin()); + } catch (e) { + this.request.dispatchException(e); + } + } +}); + +Ajax.Updater = Class.create(Ajax.Request, { + initialize: function($super, container, url, options) { + this.container = { + success: (container.success || container), + failure: (container.failure || (container.success ? null : container)) + }; + + options = Object.clone(options); + var onComplete = options.onComplete; + options.onComplete = (function(response, json) { + this.updateContent(response.responseText); + if (Object.isFunction(onComplete)) onComplete(response, json); + }).bind(this); + + $super(url, options); + }, + + updateContent: function(responseText) { + var receiver = this.container[this.success() ? 'success' : 'failure'], + options = this.options; + + if (!options.evalScripts) responseText = responseText.stripScripts(); + + if (receiver = $(receiver)) { + if (options.insertion) { + if (Object.isString(options.insertion)) { + var insertion = { }; insertion[options.insertion] = responseText; + receiver.insert(insertion); + } + else options.insertion(receiver, responseText); + } + else receiver.update(responseText); + } + } +}); + +Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { + initialize: function($super, container, url, options) { + $super(options); + this.onComplete = this.options.onComplete; - this.lastText = request.responseText; + this.frequency = (this.options.frequency || 2); + this.decay = (this.options.decay || 1); + + this.updater = { }; + this.container = container; + this.url = url; + + this.start(); + }, + + start: function() { + this.options.onComplete = this.updateComplete.bind(this); + this.onTimerEvent(); + }, + + stop: function() { + this.updater.options.onComplete = undefined; + clearTimeout(this.timer); + (this.onComplete || Prototype.emptyFunction).apply(this, arguments); + }, + + updateComplete: function(response) { + if (this.options.decay) { + this.decay = (response.responseText == this.lastText ? + this.decay * this.options.decay : 1); + + this.lastText = response.responseText; } - this.timer = setTimeout(this.onTimerEvent.bind(this), - this.decay * this.frequency * 1000); + this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); }, onTimerEvent: function() { this.updater = new Ajax.Updater(this.container, this.url, this.options); } }); + + + function $(element) { if (arguments.length > 1) { for (var i = 0, elements = [], length = arguments.length; i < length; i++) elements.push($(arguments[i])); return elements; } - if (typeof element == 'string') + if (Object.isString(element)) element = document.getElementById(element); return Element.extend(element); } @@ -1263,67 +1723,69 @@ if (Prototype.BrowserFeatures.XPath) { var query = document.evaluate(expression, $(parentElement) || document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); for (var i = 0, length = query.snapshotLength; i < length; i++) - results.push(query.snapshotItem(i)); + results.push(Element.extend(query.snapshotItem(i))); return results; }; - - document.getElementsByClassName = function(className, parentElement) { - var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; - return document._getElementsByXPath(q, parentElement); - } - -} else document.getElementsByClassName = function(className, parentElement) { - var children = ($(parentElement) || document.body).getElementsByTagName('*'); - var elements = [], child, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)"); - for (var i = 0, length = children.length; i < length; i++) { - child = children[i]; - var elementClassName = child.className; - if (elementClassName.length == 0) continue; - if (elementClassName == className || elementClassName.match(pattern)) - elements.push(Element.extend(child)); - } - return elements; -}; +} /*--------------------------------------------------------------------------*/ -if (!window.Element) var Element = {}; - -Element.extend = function(element) { - var F = Prototype.BrowserFeatures; - if (!element || !element.tagName || element.nodeType == 3 || - element._extended || F.SpecificElementExtensions || element == window) - return element; - - var methods = {}, tagName = element.tagName, cache = Element.extend.cache, - T = Element.Methods.ByTag; - - // extend methods for all tags (Safari doesn't need this) - if (!F.ElementExtensions) { - Object.extend(methods, Element.Methods), - Object.extend(methods, Element.Methods.Simulated); - } - - // extend methods for specific tags - if (T[tagName]) Object.extend(methods, T[tagName]); - - for (var property in methods) { - var value = methods[property]; - if (typeof value == 'function' && !(property in element)) - element[property] = cache.findOrStore(value); - } +if (!window.Node) var Node = { }; + +if (!Node.ELEMENT_NODE) { + Object.extend(Node, { + ELEMENT_NODE: 1, + ATTRIBUTE_NODE: 2, + TEXT_NODE: 3, + CDATA_SECTION_NODE: 4, + ENTITY_REFERENCE_NODE: 5, + ENTITY_NODE: 6, + PROCESSING_INSTRUCTION_NODE: 7, + COMMENT_NODE: 8, + DOCUMENT_NODE: 9, + DOCUMENT_TYPE_NODE: 10, + DOCUMENT_FRAGMENT_NODE: 11, + NOTATION_NODE: 12 + }); +} - element._extended = Prototype.emptyFunction; - return element; -}; -Element.extend.cache = { - findOrStore: function(value) { - return this[value] = this[value] || function() { - return value.apply(null, [this].concat($A(arguments))); +(function(global) { + + var SETATTRIBUTE_IGNORES_NAME = (function(){ + var elForm = document.createElement("form"); + var elInput = document.createElement("input"); + var root = document.documentElement; + elInput.setAttribute("name", "test"); + elForm.appendChild(elInput); + root.appendChild(elForm); + var isBuggy = elForm.elements + ? (typeof elForm.elements.test == "undefined") + : null; + root.removeChild(elForm); + elForm = elInput = null; + return isBuggy; + })(); + + var element = global.Element; + global.Element = function(tagName, attributes) { + attributes = attributes || { }; + tagName = tagName.toLowerCase(); + var cache = Element.cache; + if (SETATTRIBUTE_IGNORES_NAME && attributes.name) { + tagName = '<' + tagName + ' name="' + attributes.name + '">'; + delete attributes.name; + return Element.writeAttribute(document.createElement(tagName), attributes); } - } -}; + if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); + return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); + }; + Object.extend(global.Element, element || { }); + if (element) global.Element.prototype = element.prototype; +})(this); + +Element.cache = { }; +Element.idCounter = 1; Element.Methods = { visible: function(element) { @@ -1336,13 +1798,16 @@ Element.Methods = { return element; }, + hide: function(element) { - $(element).style.display = 'none'; + element = $(element); + element.style.display = 'none'; return element; }, show: function(element) { - $(element).style.display = ''; + element = $(element); + element.style.display = ''; return element; }, @@ -1352,28 +1817,152 @@ Element.Methods = { return element; }, - update: function(element, html) { - html = typeof html == 'undefined' ? '' : html.toString(); - $(element).innerHTML = html.stripScripts(); - setTimeout(function() {html.evalScripts()}, 10); + 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 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); + + 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 (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_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 { + element.innerHTML = content.stripScripts(); + } + } + else { + element.innerHTML = content.stripScripts(); + } + + content.evalScripts.bind(content).defer(); + return element; + } + + return update; + })(), + + replace: function(element, content) { + element = $(element); + if (content && content.toElement) content = content.toElement(); + else if (!Object.isElement(content)) { + content = Object.toHTML(content); + var range = element.ownerDocument.createRange(); + range.selectNode(element); + content.evalScripts.bind(content).defer(); + content = range.createContextualFragment(content.stripScripts()); + } + element.parentNode.replaceChild(content, element); return element; }, - replace: function(element, html) { + insert: function(element, insertions) { element = $(element); - html = typeof html == 'undefined' ? '' : html.toString(); - if (element.outerHTML) { - element.outerHTML = html.stripScripts(); - } else { - var range = element.ownerDocument.createRange(); - range.selectNodeContents(element); - element.parentNode.replaceChild( - range.createContextualFragment(html.stripScripts()), element); + + if (Object.isString(insertions) || Object.isNumber(insertions) || + Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) + insertions = {bottom:insertions}; + + var content, insert, tagName, childNodes; + + for (var position in insertions) { + content = insertions[position]; + position = position.toLowerCase(); + insert = Element._insertionTranslations[position]; + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) { + insert(element, content); + continue; + } + + content = Object.toHTML(content); + + tagName = ((position == 'before' || position == 'after') + ? element.parentNode : element).tagName.toUpperCase(); + + childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + + if (position == 'top' || position == 'after') childNodes.reverse(); + childNodes.each(insert.curry(element)); + + content.evalScripts.bind(content).defer(); } - setTimeout(function() {html.evalScripts()}, 10); + return element; }, + wrap: function(element, wrapper, attributes) { + element = $(element); + if (Object.isElement(wrapper)) + $(wrapper).writeAttribute(attributes || { }); + else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); + else wrapper = new Element('div', wrapper); + if (element.parentNode) + element.parentNode.replaceChild(wrapper, element); + wrapper.appendChild(element); + return wrapper; + }, + inspect: function(element) { element = $(element); var result = '<' + element.tagName.toLowerCase(); @@ -1395,11 +1984,11 @@ Element.Methods = { }, ancestors: function(element) { - return $(element).recursivelyCollect('parentNode'); + return Element.recursivelyCollect(element, 'parentNode'); }, descendants: function(element) { - return $A($(element).getElementsByTagName('*')).each(Element.extend); + return Element.select(element, "*"); }, firstDescendant: function(element) { @@ -1416,20 +2005,21 @@ Element.Methods = { }, previousSiblings: function(element) { - return $(element).recursivelyCollect('previousSibling'); + return Element.recursivelyCollect(element, 'previousSibling'); }, nextSiblings: function(element) { - return $(element).recursivelyCollect('nextSibling'); + return Element.recursivelyCollect(element, 'nextSibling'); }, siblings: function(element) { element = $(element); - return element.previousSiblings().reverse().concat(element.nextSiblings()); + return Element.previousSiblings(element).reverse() + .concat(Element.nextSiblings(element)); }, match: function(element, selector) { - if (typeof selector == 'string') + if (Object.isString(selector)) selector = new Selector(selector); return selector.match($(element)); }, @@ -1437,63 +2027,94 @@ Element.Methods = { up: function(element, expression, index) { element = $(element); if (arguments.length == 1) return $(element.parentNode); - var ancestors = element.ancestors(); - return expression ? Selector.findElement(ancestors, expression, index) : - ancestors[index || 0]; + var ancestors = Element.ancestors(element); + return Object.isNumber(expression) ? ancestors[expression] : + Selector.findElement(ancestors, expression, index); }, down: function(element, expression, index) { element = $(element); - if (arguments.length == 1) return element.firstDescendant(); - var descendants = element.descendants(); - return expression ? Selector.findElement(descendants, expression, index) : - descendants[index || 0]; + 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 expression ? Selector.findElement(previousSiblings, expression, index) : - previousSiblings[index || 0]; + var previousSiblings = Element.previousSiblings(element); + return Object.isNumber(expression) ? previousSiblings[expression] : + Selector.findElement(previousSiblings, expression, index); }, next: function(element, expression, index) { element = $(element); if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); - var nextSiblings = element.nextSiblings(); - return expression ? Selector.findElement(nextSiblings, expression, index) : - nextSiblings[index || 0]; + var nextSiblings = Element.nextSiblings(element); + return Object.isNumber(expression) ? nextSiblings[expression] : + Selector.findElement(nextSiblings, expression, index); }, - getElementsBySelector: function() { - var args = $A(arguments), element = $(args.shift()); + + select: function(element) { + var args = Array.prototype.slice.call(arguments, 1); return Selector.findChildElements(element, args); }, - getElementsByClassName: function(element, className) { - return document.getElementsByClassName(className, element); + adjacent: function(element) { + var args = Array.prototype.slice.call(arguments, 1); + return Selector.findChildElements(element.parentNode, args).without(element); + }, + + identify: function(element) { + element = $(element); + var id = Element.readAttribute(element, 'id'); + if (id) return id; + do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id)); + Element.writeAttribute(element, 'id', id); + return id; }, readAttribute: function(element, name) { element = $(element); if (Prototype.Browser.IE) { - if (!element.attributes) return null; - var t = Element._attributeTranslations; + var t = Element._attributeTranslations.read; if (t.values[name]) return t.values[name](element, name); - if (t.names[name]) name = t.names[name]; - var attribute = element.attributes[name]; - return attribute ? attribute.nodeValue : null; + if (t.names[name]) name = t.names[name]; + if (name.include(':')) { + return (!element.attributes || !element.attributes[name]) ? null : + element.attributes[name].value; + } } return element.getAttribute(name); }, + writeAttribute: function(element, name, value) { + element = $(element); + var attributes = { }, t = Element._attributeTranslations.write; + + if (typeof name == 'object') attributes = name; + else attributes[name] = Object.isUndefined(value) ? true : value; + + for (var attr in attributes) { + name = t.names[attr] || attr; + value = attributes[attr]; + if (t.values[attr]) name = t.values[attr](element, value); + if (value === false || value === null) + element.removeAttribute(name); + else if (value === true) + element.setAttribute(name, name); + else element.setAttribute(name, value); + } + return element; + }, + getHeight: function(element) { - return $(element).getDimensions().height; + return Element.getDimensions(element).height; }, getWidth: function(element) { - return $(element).getDimensions().width; + return Element.getDimensions(element).width; }, classNames: function(element) { @@ -1503,42 +2124,30 @@ Element.Methods = { hasClassName: function(element, className) { if (!(element = $(element))) return; var elementClassName = element.className; - if (elementClassName.length == 0) return false; - if (elementClassName == className || - elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) - return true; - return false; + return (elementClassName.length > 0 && (elementClassName == className || + new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); }, addClassName: function(element, className) { if (!(element = $(element))) return; - Element.classNames(element).add(className); + if (!Element.hasClassName(element, className)) + element.className += (element.className ? ' ' : '') + className; return element; }, removeClassName: function(element, className) { if (!(element = $(element))) return; - Element.classNames(element).remove(className); + element.className = element.className.replace( + new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); return element; }, toggleClassName: function(element, className) { if (!(element = $(element))) return; - Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); - return element; - }, - - observe: function() { - Event.observe.apply(Event, arguments); - return $A(arguments).first(); - }, - - stopObserving: function() { - Event.stopObserving.apply(Event, arguments); - return $A(arguments).first(); + 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; @@ -1557,14 +2166,22 @@ Element.Methods = { descendantOf: function(element, ancestor) { element = $(element), ancestor = $(ancestor); + + if (element.compareDocumentPosition) + return (element.compareDocumentPosition(ancestor) & 8) === 8; + + if (ancestor.contains) + return ancestor.contains(element) && ancestor !== element; + while (element = element.parentNode) if (element == ancestor) return true; + return false; }, scrollTo: function(element) { element = $(element); - var pos = Position.cumulativeOffset(element); + var pos = Element.cumulativeOffset(element); window.scrollTo(pos[0], pos[1]); return element; }, @@ -1573,7 +2190,7 @@ Element.Methods = { element = $(element); style = style == 'float' ? 'cssFloat' : style.camelize(); var value = element.style[style]; - if (!value) { + if (!value || value == 'auto') { var css = document.defaultView.getComputedStyle(element, null); value = css ? css[style] : null; } @@ -1585,16 +2202,20 @@ Element.Methods = { return $(element).getStyle('opacity'); }, - setStyle: function(element, styles, camelized) { + setStyle: function(element, styles) { element = $(element); - var elementStyle = element.style; - + var elementStyle = element.style, match; + if (Object.isString(styles)) { + element.style.cssText += ';' + styles; + return styles.include('opacity') ? + element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; + } for (var property in styles) - if (property == 'opacity') element.setOpacity(styles[property]) + if (property == 'opacity') element.setOpacity(styles[property]); else elementStyle[(property == 'float' || property == 'cssFloat') ? - (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : - (camelized ? property : property.camelize())] = styles[property]; + (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : + property] = styles[property]; return element; }, @@ -1608,18 +2229,17 @@ Element.Methods = { getDimensions: function(element) { element = $(element); - var display = $(element).getStyle('display'); + var display = Element.getStyle(element, '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'; + if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari + els.position = 'absolute'; els.display = 'block'; var originalWidth = element.clientWidth; var originalHeight = element.clientHeight; @@ -1635,9 +2255,7 @@ Element.Methods = { 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 (window.opera) { + if (Prototype.Browser.Opera) { element.style.top = 0; element.style.left = 0; } @@ -1661,8 +2279,8 @@ Element.Methods = { makeClipping: function(element) { element = $(element); if (element._overflow) return element; - element._overflow = element.style.overflow || 'auto'; - if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') + element._overflow = Element.getStyle(element, 'overflow') || 'auto'; + if (element._overflow !== 'hidden') element.style.overflow = 'hidden'; return element; }, @@ -1673,161 +2291,667 @@ Element.Methods = { element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; element._overflow = null; return element; - } -}; + }, -Object.extend(Element.Methods, { - childOf: Element.Methods.descendantOf, - childElements: Element.Methods.immediateDescendants -}); + 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); + }, -if (Prototype.Browser.Opera) { - Element.Methods._getStyle = Element.Methods.getStyle; - Element.Methods.getStyle = function(element, style) { - switch(style) { - case 'left': - case 'top': - case 'right': - case 'bottom': - if (Element._getStyle(element, 'position') == 'static') return null; - default: return Element._getStyle(element, style); - } - }; -} -else if (Prototype.Browser.IE) { - Element.Methods.getStyle = function(element, style) { + 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); - style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); - var value = element.style[style]; - if (!value && element.currentStyle) value = element.currentStyle[style]; + if (Element.getStyle(element, 'position') == 'absolute') return element; - if (style == 'opacity') { - if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) - if (value[1]) return parseFloat(value[1]) / 100; - return 1.0; - } + var offsets = Element.positionedOffset(element); + var top = offsets[1]; + var left = offsets[0]; + var width = element.clientWidth; + var height = element.clientHeight; - if (value == 'auto') { - if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) - return element['offset'+style.capitalize()] + 'px'; - return null; - } - return value; - }; + element._originalLeft = left - parseFloat(element.style.left || 0); + element._originalTop = top - parseFloat(element.style.top || 0); + element._originalWidth = element.style.width; + element._originalHeight = element.style.height; - Element.Methods.setOpacity = function(element, value) { - element = $(element); - var filter = element.getStyle('filter'), style = element.style; - if (value == 1 || value === '') { - style.filter = filter.replace(/alpha\([^\)]*\)/gi,''); - return element; - } else if (value < 0.00001) value = 0; - style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') + - 'alpha(opacity=' + (value * 100) + ')'; + 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; - }; + }, - // IE is missing .innerHTML support for TABLE-related elements - Element.Methods.update = function(element, html) { - element = $(element); - html = typeof html == 'undefined' ? '' : html.toString(); - var tagName = element.tagName.toUpperCase(); - if (['THEAD','TBODY','TR','TD'].include(tagName)) { - var div = document.createElement('div'); - switch (tagName) { - case 'THEAD': - case 'TBODY': - div.innerHTML = '' + html.stripScripts() + '
'; - depth = 2; - break; - case 'TR': - div.innerHTML = '' + html.stripScripts() + '
'; - depth = 3; - break; - case 'TD': - div.innerHTML = '
' + html.stripScripts() + '
'; - depth = 4; - } - $A(element.childNodes).each(function(node) { element.removeChild(node) }); - depth.times(function() { div = div.firstChild }); - $A(div.childNodes).each(function(node) { element.appendChild(node) }); - } else { - element.innerHTML = html.stripScripts(); - } - setTimeout(function() { html.evalScripts() }, 10); - return element; - } -} -else if (Prototype.Browser.Gecko) { - Element.Methods.setOpacity = function(element, value) { + relativize: function(element) { element = $(element); - element.style.opacity = (value == 1) ? 0.999999 : - (value === '') ? '' : (value < 0.00001) ? 0 : value; - return element; - }; -} + if (Element.getStyle(element, 'position') == 'relative') return element; -Element._attributeTranslations = { - names: { - colspan: "colSpan", - rowspan: "rowSpan", - valign: "vAlign", - datetime: "dateTime", - accesskey: "accessKey", - tabindex: "tabIndex", - enctype: "encType", - maxlength: "maxLength", - readonly: "readOnly", - longdesc: "longDesc" - }, - values: { - _getAttr: function(element, attribute) { - return element.getAttribute(attribute, 2); - }, - _flag: function(element, attribute) { - return $(element).hasAttribute(attribute) ? attribute : null; - }, - style: function(element) { - return element.style.cssText.toLowerCase(); - }, - title: function(element) { - var node = element.getAttributeNode('title'); - return node.specified ? node.nodeValue : null; - } - } -}; + element.style.position = 'relative'; + var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); + var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); -(function() { - Object.extend(this, { - href: this._getAttr, - src: this._getAttr, - type: this._getAttr, - disabled: this._flag, - checked: this._flag, - readonly: this._flag, - multiple: this._flag - }); -}).call(Element._attributeTranslations.values); + 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; + + 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, + setTop: true, + setWidth: true, + setHeight: true, + offsetTop: 0, + offsetLeft: 0 + }, arguments[2] || { }); + + source = $(source); + var p = Element.viewportOffset(source); + + element = $(element); + var delta = [0, 0]; + var parent = null; + if (Element.getStyle(element, 'position') == 'absolute') { + parent = Element.getOffsetParent(element); + delta = Element.viewportOffset(parent); + } + + if (parent == document.body) { + delta[0] -= document.body.offsetLeft; + delta[1] -= document.body.offsetTop; + } + + if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; + if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; + if (options.setWidth) element.style.width = source.offsetWidth + 'px'; + if (options.setHeight) element.style.height = source.offsetHeight + 'px'; + return element; + } +}; + +Object.extend(Element.Methods, { + getElementsBySelector: Element.Methods.select, + + childElements: Element.Methods.immediateDescendants +}); + +Element._attributeTranslations = { + write: { + names: { + className: 'class', + htmlFor: 'for' + }, + values: { } + } +}; + +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': + if (!Element.visible(element)) return null; + + var dim = parseInt(proceed(element, style), 10); + + if (dim !== element['offset' + style.capitalize()]) + return dim + 'px'; + + var properties; + if (style === 'height') { + properties = ['border-top-width', 'padding-top', + 'padding-bottom', 'border-bottom-width']; + } + else { + properties = ['border-left-width', 'padding-left', + 'padding-right', 'border-right-width']; + } + return properties.inject(dim, function(memo, property) { + var val = proceed(element, property); + return val === null ? memo : memo - parseInt(val, 10); + }) + 'px'; + default: return proceed(element, style); + } + } + ); + + Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( + function(proceed, element, attribute) { + if (attribute === 'title') return element.title; + return proceed(element, attribute); + } + ); +} + +else if (Prototype.Browser.IE) { + Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( + function(proceed, element) { + element = $(element); + 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); + 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(); + var value = element.style[style]; + if (!value && element.currentStyle) value = element.currentStyle[style]; + + if (style == 'opacity') { + if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) + if (value[1]) return parseFloat(value[1]) / 100; + return 1.0; + } + + if (value == 'auto') { + if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) + return element['offset' + style.capitalize()] + 'px'; + return null; + } + return value; + }; + + Element.Methods.setOpacity = function(element, value) { + function stripAlpha(filter){ + return filter.replace(/alpha\([^\)]*\)/gi,''); + } + element = $(element); + var currentStyle = element.currentStyle; + if ((currentStyle && !currentStyle.hasLayout) || + (!currentStyle && element.style.zoom == 'normal')) + element.style.zoom = 1; + + var filter = element.getStyle('filter'), style = element.style; + if (value == 1 || value === '') { + (filter = stripAlpha(filter)) ? + style.filter = filter : style.removeAttribute('filter'); + return element; + } else if (value < 0.00001) value = 0; + style.filter = stripAlpha(filter) + + 'alpha(opacity=' + (value * 100) + ')'; + return element; + }; + + Element._attributeTranslations = (function(){ + + var classProp = 'className'; + var forProp = 'for'; + + var 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 + }, + 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'); + el.onclick = Prototype.emptyFunction; + var value = el.getAttribute('onclick'); + var f; + + 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({ + cellpadding: 'cellPadding', + cellspacing: 'cellSpacing' + }, Element._attributeTranslations.read.names), + values: { + checked: function(element, value) { + element.checked = !!value; + }, + + style: function(element, value) { + element.style.cssText = value ? value : ''; + } + } + }; + + Element._attributeTranslations.has = {}; + + $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + + 'encType maxLength readOnly longDesc frameBorder').each(function(attr) { + Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; + Element._attributeTranslations.has[attr.toLowerCase()] = attr; + }); + + (function(v) { + Object.extend(v, { + href: v._getAttr2, + src: v._getAttr2, + type: v._getAttr, + action: v._getAttrNode, + disabled: v._flag, + checked: v._flag, + readonly: v._flag, + multiple: v._flag, + onload: v._getEv, + onunload: v._getEv, + onclick: v._getEv, + ondblclick: v._getEv, + onmousedown: v._getEv, + onmouseup: v._getEv, + onmouseover: v._getEv, + onmousemove: v._getEv, + onmouseout: v._getEv, + onfocus: v._getEv, + onblur: v._getEv, + onkeypress: v._getEv, + onkeydown: v._getEv, + onkeyup: v._getEv, + onsubmit: v._getEv, + onreset: v._getEv, + onselect: v._getEv, + onchange: v._getEv + }); + })(Element._attributeTranslations.read.values); + + 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)) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1) ? 0.999999 : + (value === '') ? '' : (value < 0.00001) ? 0 : value; + return element; + }; +} + +else if (Prototype.Browser.WebKit) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; + + if (value == 1) + if(element.tagName.toUpperCase() == 'IMG' && element.width) { + element.width++; element.width--; + } else try { + var n = document.createTextNode(' '); + element.appendChild(n); + element.removeChild(n); + } catch (e) { } + + return element; + }; + + 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 ('outerHTML' in document.documentElement) { + Element.Methods.replace = function(element, content) { + element = $(element); + + if (content && content.toElement) content = content.toElement(); + if (Object.isElement(content)) { + element.parentNode.replaceChild(content, element); + return element; + } + + content = Object.toHTML(content); + var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); + + if (Element._insertionTranslations.tags[tagName]) { + var nextSibling = element.next(); + var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); + parent.removeChild(element); + if (nextSibling) + fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); + else + fragments.each(function(node) { parent.appendChild(node) }); + } + else element.outerHTML = content.stripScripts(); + + content.evalScripts.bind(content).defer(); + return element; + }; +} + +Element._returnOffset = function(l, t) { + var result = [l, t]; + result.left = l; + result.top = t; + return result; +}; + +Element._getContentFromAnonymousElement = function(tagName, html) { + var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; + if (t) { + div.innerHTML = t[0] + html + t[1]; + t[2].times(function() { div = div.firstChild }); + } else div.innerHTML = html; + return $A(div.childNodes); +}; + +Element._insertionTranslations = { + before: function(element, node) { + element.parentNode.insertBefore(node, element); + }, + top: function(element, node) { + element.insertBefore(node, element.firstChild); + }, + bottom: function(element, node) { + element.appendChild(node); + }, + after: function(element, node) { + element.parentNode.insertBefore(node, element.nextSibling); + }, + tags: { + TABLE: ['', '
', 1], + TBODY: ['', '
', 2], + TR: ['', '
', 3], + TD: ['
', '
', 4], + SELECT: ['', 1] + } +}; + +(function() { + var tags = Element._insertionTranslations.tags; + Object.extend(tags, { + THEAD: tags.TBODY, + TFOOT: tags.TBODY, + TH: tags.TD + }); +})(); Element.Methods.Simulated = { hasAttribute: function(element, attribute) { - var t = Element._attributeTranslations, node; - attribute = t.names[attribute] || attribute; - node = $(element).getAttributeNode(attribute); - return node && node.specified; + attribute = Element._attributeTranslations.has[attribute] || attribute; + var node = $(element).getAttributeNode(attribute); + return !!(node && node.specified); } }; -Element.Methods.ByTag = {}; +Element.Methods.ByTag = { }; Object.extend(Element, Element.Methods); -if (!Prototype.BrowserFeatures.ElementExtensions && - document.createElement('div').__proto__) { - window.HTMLElement = {}; - window.HTMLElement.prototype = document.createElement('div').__proto__; - Prototype.BrowserFeatures.ElementExtensions = true; -} +(function(div) { + + if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) { + window.HTMLElement = { }; + window.HTMLElement.prototype = div['__proto__']; + Prototype.BrowserFeatures.ElementExtensions = true; + } + + div = null; + +})(document.createElement('div')) + +Element.extend = (function() { + + function checkDeficiency(tagName) { + if (typeof window.Element != 'undefined') { + var proto = window.Element.prototype; + if (proto) { + var id = '_' + (Math.random()+'').slice(2); + var el = document.createElement(tagName); + proto[id] = 'x'; + var isBuggy = (el[id] !== 'x'); + delete proto[id]; + el = null; + return isBuggy; + } + } + return false; + } + + function extendElementWith(element, methods) { + for (var property in methods) { + var value = methods[property]; + if (Object.isFunction(value) && !(property in element)) + element[property] = value.methodize(); + } + } + + var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object'); + + if (Prototype.BrowserFeatures.SpecificElementExtensions) { + if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) { + return function(element) { + if (element && typeof element._extendedByPrototype == 'undefined') { + var t = element.tagName; + if (t && (/^(?:object|applet|embed)$/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 || typeof element._extendedByPrototype != 'undefined' || + element.nodeType != 1 || element == window) return element; + + var methods = Object.clone(Methods), + tagName = element.tagName.toUpperCase(); + + if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); + + extendElementWith(element, methods); + + element._extendedByPrototype = Prototype.emptyFunction; + return element; + + }, { + refresh: function() { + if (!Prototype.BrowserFeatures.ElementExtensions) { + Object.extend(Methods, Element.Methods); + Object.extend(Methods, Element.Methods.Simulated); + } + } + }); + + extend.refresh(); + return extend; +})(); Element.hasAttribute = function(element, attribute) { if (element.hasAttribute) return element.hasAttribute(attribute); @@ -1853,26 +2977,26 @@ Element.addMethods = function(methods) { methods = arguments[1]; } - if (!tagName) Object.extend(Element.Methods, methods || {}); + if (!tagName) Object.extend(Element.Methods, methods || { }); else { - if (tagName.constructor == Array) tagName.each(extend); + if (Object.isArray(tagName)) tagName.each(extend); else extend(tagName); } function extend(tagName) { tagName = tagName.toUpperCase(); if (!Element.Methods.ByTag[tagName]) - Element.Methods.ByTag[tagName] = {}; + Element.Methods.ByTag[tagName] = { }; Object.extend(Element.Methods.ByTag[tagName], methods); } function copy(methods, destination, onlyIfAbsent) { onlyIfAbsent = onlyIfAbsent || false; - var cache = Element.extend.cache; for (var property in methods) { var value = methods[property]; + if (!Object.isFunction(value)) continue; if (!onlyIfAbsent || !(property in destination)) - destination[property] = cache.findOrStore(value); + destination[property] = value.methodize(); } } @@ -1896,192 +3020,233 @@ 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); + var 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) { for (var tag in Element.Methods.ByTag) { var klass = findDOMClass(tag); - if (typeof klass == "undefined") continue; + if (Object.isUndefined(klass)) continue; copy(T[tag], klass.prototype); } } Object.extend(Element, Element.Methods); delete Element.ByTag; + + if (Element.extend.refresh) Element.extend.refresh(); + Element.cache = { }; }; -var Toggle = { display: Element.toggle }; -/*--------------------------------------------------------------------------*/ +document.viewport = { -Abstract.Insertion = function(adjacency) { - this.adjacency = adjacency; -} + getDimensions: function() { + return { width: this.getWidth(), height: this.getHeight() }; + }, -Abstract.Insertion.prototype = { - initialize: function(element, content) { - this.element = $(element); - this.content = content.stripScripts(); + getScrollOffsets: function() { + return Element._returnOffset( + window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, + window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); + } +}; - if (this.adjacency && this.element.insertAdjacentHTML) { - try { - this.element.insertAdjacentHTML(this.adjacency, this.content); - } catch (e) { - var tagName = this.element.tagName.toUpperCase(); - if (['TBODY', 'TR'].include(tagName)) { - this.insertContent(this.contentFromAnonymousTable()); - } else { - throw e; - } - } - } else { - this.range = this.element.ownerDocument.createRange(); - if (this.initializeRange) this.initializeRange(); - this.insertContent([this.range.createContextualFragment(this.content)]); - } +(function(viewport) { + var B = Prototype.Browser, doc = document, element, property = {}; - setTimeout(function() {content.evalScripts()}, 10); - }, + function getRootElement() { + if (B.WebKit && !doc.evaluate) + return document; + + if (B.Opera && window.parseFloat(window.opera.version()) < 9.5) + return document.body; - contentFromAnonymousTable: function() { - var div = document.createElement('div'); - div.innerHTML = '' + this.content + '
'; - return $A(div.childNodes[0].childNodes[0].childNodes); + return document.documentElement; } -} -var Insertion = new Object(); + function define(D) { + if (!element) element = getRootElement(); -Insertion.Before = Class.create(); -Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { - initializeRange: function() { - this.range.setStartBefore(this.element); - }, + property[D] = 'client' + D; - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, this.element); - }).bind(this)); + viewport['get' + D] = function() { return element[property[D]] }; + return viewport['get' + D](); } -}); -Insertion.Top = Class.create(); -Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(true); - }, + viewport.getWidth = define.curry('Width'); - insertContent: function(fragments) { - fragments.reverse(false).each((function(fragment) { - this.element.insertBefore(fragment, this.element.firstChild); - }).bind(this)); - } -}); + viewport.getHeight = define.curry('Height'); +})(document.viewport); -Insertion.Bottom = Class.create(); -Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(this.element); - }, - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.appendChild(fragment); - }).bind(this)); - } -}); +Element.Storage = { + UID: 1 +}; -Insertion.After = Class.create(); -Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { - initializeRange: function() { - this.range.setStartAfter(this.element); - }, +Element.addMethods({ + getStorage: function(element) { + if (!(element = $(element))) return; - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, - this.element.nextSibling); - }).bind(this)); - } -}); + var uid; + if (element === window) { + uid = 0; + } else { + if (typeof element._prototypeUID === "undefined") + element._prototypeUID = [Element.Storage.UID++]; + uid = element._prototypeUID[0]; + } -/*--------------------------------------------------------------------------*/ + if (!Element.Storage[uid]) + Element.Storage[uid] = $H(); -Element.ClassNames = Class.create(); -Element.ClassNames.prototype = { - initialize: function(element) { - this.element = $(element); + return Element.Storage[uid]; }, - _each: function(iterator) { - this.element.className.split(/\s+/).select(function(name) { - return name.length > 0; - })._each(iterator); - }, + store: function(element, key, value) { + if (!(element = $(element))) return; - set: function(className) { - this.element.className = className; - }, + if (arguments.length === 2) { + Element.getStorage(element).update(key); + } else { + Element.getStorage(element).set(key, value); + } - add: function(classNameToAdd) { - if (this.include(classNameToAdd)) return; - this.set($A(this).concat(classNameToAdd).join(' ')); + return element; }, - remove: function(classNameToRemove) { - if (!this.include(classNameToRemove)) return; - this.set($A(this).without(classNameToRemove).join(' ')); + retrieve: function(element, key, defaultValue) { + if (!(element = $(element))) return; + var hash = Element.getStorage(element), value = hash.get(key); + + if (Object.isUndefined(value)) { + hash.set(key, defaultValue); + value = defaultValue; + } + + return value; }, - toString: function() { - return $A(this).join(' '); + 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); } -}; - -Object.extend(Element.ClassNames.prototype, Enumerable); -/* Portions of the Selector class are derived from Jack Slocum’s DomQuery, +}); +/* 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(); - -Selector.prototype = { +var Selector = Class.create({ initialize: function(expression) { this.expression = expression.strip(); - this.compileMatcher(); + + if (this.shouldUseSelectorsAPI()) { + this.mode = 'selectorsAPI'; + } else if (this.shouldUseXPath()) { + this.mode = 'xpath'; + this.compileXPathMatcher(); + } else { + this.mode = "normal"; + this.compileMatcher(); + } + }, - compileMatcher: function() { - // Selectors with namespaced attributes can't use the XPath version - if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression)) - return this.compileXPathMatcher(); + shouldUseXPath: (function() { + + var IS_DESCENDANT_SELECTOR_BUGGY = (function(){ + var isBuggy = false; + if (document.evaluate && window.XPathResult) { + var el = document.createElement('div'); + el.innerHTML = '
'; + + var xpath = ".//*[local-name()='ul' or local-name()='UL']" + + "//*[local-name()='li' or local-name()='LI']"; + + var result = document.evaluate(xpath, el, null, + XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); + + isBuggy = (result.snapshotLength !== 2); + el = null; + } + return isBuggy; + })(); + + return function() { + if (!Prototype.BrowserFeatures.XPath) return false; + + var e = this.expression; + + if (Prototype.Browser.WebKit && + (e.include("-of-type") || e.include(":empty"))) + return false; + + if ((/(\[[\w-]*?:|:checked)/).test(e)) + return false; + + if (IS_DESCENDANT_SELECTOR_BUGGY) return false; + + return true; + } + + })(), + + shouldUseSelectorsAPI: function() { + if (!Prototype.BrowserFeatures.SelectorsAPI) return false; + + if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false; + + if (!Selector._div) Selector._div = new Element('div'); + + try { + Selector._div.querySelector(this.expression); + } catch(e) { + return false; + } + return true; + }, + + compileMatcher: function() { var e = this.expression, ps = Selector.patterns, h = Selector.handlers, - c = Selector.criteria, le, p, m; + c = Selector.criteria, le, p, m, len = ps.length, name; if (Selector._cache[e]) { - this.matcher = Selector._cache[e]; return; + this.matcher = Selector._cache[e]; + return; } + this.matcher = ["this.matcher = function(root) {", "var r = root, h = Selector.handlers, c = false, n;"]; while (e && le != e && (/\S/).test(e)) { le = e; - for (var i in ps) { - p = ps[i]; + for (var i = 0; i"; } -}; +}); + +if (Prototype.BrowserFeatures.SelectorsAPI && + document.compatMode === 'BackCompat') { + Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){ + var div = document.createElement('div'), + span = document.createElement('span'); + + div.id = "prototype_test_id"; + span.className = 'Test'; + div.appendChild(span); + var isIgnored = (div.querySelector('#prototype_test_id .test') !== null); + div = span = null; + return isIgnored; + })(); +} Object.extend(Selector, { - _cache: {}, + _cache: { }, xpath: { descendant: "//*", @@ -2152,15 +3379,19 @@ Object.extend(Selector, { }, className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", id: "[@id='#{1}']", - attrPresence: "[@#{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 (typeof h === 'function') return h(m); + if (Object.isFunction(h)) return h(m); return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); }, operators: { @@ -2176,20 +3407,21 @@ Object.extend(Selector, { 'first-child': '[not(preceding-sibling::*)]', 'last-child': '[not(following-sibling::*)]', 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', - 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", + 'empty': "[count(*) = 0 and (count(text()) = 0)]", 'checked': "[@checked]", - 'disabled': "[@disabled]", - 'enabled': "[not(@disabled)]", + '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, m, v; + x = Selector.xpath, le, v, len = p.length, name; var exclusion = []; while (e && le != e && (/\S/).test(e)) { le = e; - for (var i in p) { - if (m = e.match(p[i])) { - v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m); + for (var i = 0; i\s*/ }, + { name: 'adjacent', re: /^\s*\+\s*/ }, + { name: 'descendant', re: /^\s/ }, + + { name: 'tagName', re: /^\s*(\*|[\w\-]+)(\b|$)?/ }, + { name: 'id', re: /^#([\w\-\*]+)(\b|$)/ }, + { name: 'className', re: /^\.([\w\-\*]+)(\b|$)/ }, + { name: 'pseudo', re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ }, + { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ }, + { name: 'attr', re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ } + ], + + assertions: { + tagName: function(element, matches) { + return matches[1].toUpperCase() == element.tagName.toUpperCase(); + }, + + className: function(element, matches) { + return Element.hasClassName(element, matches[1]); + }, + + id: function(element, matches) { + return element.id === matches[1]; + }, - patterns: { - // combinators must be listed first - // (and descendant needs to be last combinator) - laterSibling: /^\s*~\s*/, - child: /^\s*>\s*/, - adjacent: /^\s*\+\s*/, - descendant: /^\s/, + attrPresence: function(element, matches) { + return Element.hasAttribute(element, matches[1]); + }, - // selectors follow - tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, - id: /^#([\w\-\*]+)(\b|$)/, - className: /^\.([\w\-\*]+)(\b|$)/, - pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/, - attrPresence: /^\[([\w]+)\]/, - attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/ + attr: function(element, matches) { + var nodeValue = Element.readAttribute(element, matches[1]); + return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); + } }, handlers: { - // UTILITY FUNCTIONS - // joins two collections concat: function(a, b) { for (var i = 0, node; node = b[i]; i++) a.push(node); return a; }, - // marks an array of nodes for counting mark: function(nodes) { + var _true = Prototype.emptyFunction; for (var i = 0, node; node = nodes[i]; i++) - node._counted = true; + node._countedByPrototype = _true; return nodes; }, - unmark: function(nodes) { - for (var i = 0, node; node = nodes[i]; i++) - node._counted = undefined; - return nodes; - }, + unmark: (function(){ + + var PROPERTIES_ATTRIBUTES_MAP = (function(){ + var el = document.createElement('div'), + isBuggy = false, + propName = '_countedByPrototype', + value = 'x' + el[propName] = value; + isBuggy = (el.getAttribute(propName) === value); + el = null; + return isBuggy; + })(); + + return PROPERTIES_ATTRIBUTES_MAP ? + function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node.removeAttribute('_countedByPrototype'); + return nodes; + } : + function(nodes) { + for (var i = 0, node; node = nodes[i]; i++) + node._countedByPrototype = void 0; + return nodes; + } + })(), - // mark each child node with its position (for nth calls) - // "ofType" flag indicates whether we're indexing for nth-of-type - // rather than nth-child index: function(parentNode, reverse, ofType) { - parentNode._counted = true; + parentNode._countedByPrototype = Prototype.emptyFunction; if (reverse) { for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { - node = nodes[i]; - if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; + var node = nodes[i]; + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; } } else { for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) - if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; + if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; } }, - // filters out duplicates and extends all nodes unique: function(nodes) { if (nodes.length == 0) return nodes; var results = [], n; for (var i = 0, l = nodes.length; i < l; i++) - if (!(n = nodes[i])._counted) { - n._counted = true; + if (typeof (n = nodes[i])._countedByPrototype == 'undefined') { + n._countedByPrototype = Prototype.emptyFunction; results.push(Element.extend(n)); } return Selector.handlers.unmark(results); }, - // COMBINATOR FUNCTIONS descendant: function(nodes) { var h = Selector.handlers; for (var i = 0, results = [], node; node = nodes[i]; i++) @@ -2335,7 +3600,7 @@ Object.extend(Selector, { child: function(nodes) { var h = Selector.handlers; for (var i = 0, results = [], node; node = nodes[i]; i++) { - for (var j = 0, children = [], child; child = node.childNodes[j]; j++) + for (var j = 0, child; child = node.childNodes[j]; j++) if (child.nodeType == 1 && child.tagName != '!') results.push(child); } return results; @@ -2358,7 +3623,7 @@ Object.extend(Selector, { nextElementSibling: function(node) { while (node = node.nextSibling) - if (node.nodeType == 1) return node; + if (node.nodeType == 1) return node; return null; }, @@ -2368,13 +3633,11 @@ Object.extend(Selector, { return null; }, - // TOKEN FUNCTIONS tagName: function(nodes, root, tagName, combinator) { - tagName = tagName.toUpperCase(); + 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)); @@ -2383,14 +3646,26 @@ Object.extend(Selector, { if (tagName == "*") return nodes; } for (var i = 0, node; node = nodes[i]; i++) - if (node.tagName.toUpperCase() == tagName) results.push(node); + if (node.tagName.toUpperCase() === uTagName) results.push(node); return results; } else return root.getElementsByTagName(tagName); }, id: function(nodes, root, id, combinator) { var targetNode = $(id), h = Selector.handlers; - if (!nodes && root == document) return targetNode ? [targetNode] : []; + + if (root == document) { + if (!targetNode) return []; + if (!nodes) return [targetNode]; + } else { + if (!root.sourceIndex || root.sourceIndex < 1) { + var nodes = root.getElementsByTagName('*'); + for (var j = 0, node; node = nodes[j]; j++) { + if (node.id === id) return [node]; + } + } + } + if (nodes) { if (combinator) { if (combinator == 'child') { @@ -2429,15 +3704,18 @@ Object.extend(Selector, { return results; }, - attrPresence: function(nodes, root, attr) { + attrPresence: function(nodes, root, attr, combinator) { + if (!nodes) nodes = root.getElementsByTagName("*"); + if (nodes && combinator) nodes = this[combinator](nodes); var results = []; for (var i = 0, node; node = nodes[i]; i++) if (Element.hasAttribute(node, attr)) results.push(node); return results; }, - attr: function(nodes, root, attr, value, operator) { + 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); @@ -2499,7 +3777,6 @@ Object.extend(Selector, { 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 $R(1, total).inject([], function(memo, i) { @@ -2508,7 +3785,6 @@ Object.extend(Selector, { }); }, - // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type nth: function(nodes, formula, root, reverse, ofType) { if (nodes.length == 0) return []; if (formula == 'even') formula = '2n+0'; @@ -2516,7 +3792,7 @@ Object.extend(Selector, { var h = Selector.handlers, results = [], indexed = [], m; h.mark(nodes); for (var i = 0, node; node = nodes[i]; i++) { - if (!node.parentNode._counted) { + if (!node.parentNode._countedByPrototype) { h.index(node.parentNode, reverse, ofType); indexed.push(node.parentNode); } @@ -2542,8 +3818,7 @@ Object.extend(Selector, { 'empty': function(nodes, value, root) { for (var i = 0, results = [], node; node = nodes[i]; i++) { - // IE treats comments as element nodes - if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; + if (node.tagName == '!' || node.firstChild) continue; results.push(node); } return results; @@ -2554,14 +3829,15 @@ Object.extend(Selector, { var exclusions = new Selector(selector).findElements(root); h.mark(exclusions); for (var i = 0, results = [], node; node = nodes[i]; i++) - if (!node._counted) results.push(node); + if (!node._countedByPrototype) results.push(node); h.unmark(exclusions); return results; }, 'enabled': function(nodes, value, root) { for (var i = 0, results = [], node; node = nodes[i]; i++) - if (!node.disabled) results.push(node); + if (!node.disabled && (!node.type || node.type !== 'hidden')) + results.push(node); return results; }, @@ -2581,34 +3857,40 @@ Object.extend(Selector, { operators: { '=': function(nv, v) { return nv == v; }, '!=': function(nv, v) { return nv != v; }, - '^=': function(nv, v) { return nv.startsWith(v); }, - '$=': function(nv, v) { return nv.endsWith(v); }, - '*=': function(nv, v) { return nv.include(v); }, + '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); }, + '$=': 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 + ' ').include(' ' + v + ' '); }, - '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } + '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() + + '-').include('-' + (v || "").toUpperCase() + '-'); } + }, + + split: function(expression) { + var expressions = []; + expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { + expressions.push(m[1].strip()); + }); + return expressions; }, matchElements: function(elements, expression) { - var matches = new Selector(expression).findElements(), h = Selector.handlers; + var matches = $$(expression), h = Selector.handlers; h.mark(matches); for (var i = 0, results = [], element; element = elements[i]; i++) - if (element._counted) results.push(element); + if (element._countedByPrototype) results.push(element); h.unmark(matches); return results; }, findElement: function(elements, expression, index) { - if (typeof expression == 'number') { + if (Object.isNumber(expression)) { index = expression; expression = false; } return Selector.matchElements(elements, expression || '*')[index || 0]; }, findChildElements: function(element, expressions) { - var exprs = expressions.join(','), expressions = []; - exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { - expressions.push(m[1].strip()); - }); + 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()); @@ -2618,22 +3900,39 @@ Object.extend(Selector, { } }); +if (Prototype.Browser.IE) { + Object.extend(Selector.handlers, { + concat: function(a, b) { + for (var i = 0, node; node = b[i]; i++) + if (node.tagName !== "!") a.push(node); + return a; + } + }); +} + function $$() { return Selector.findChildElements(document, $A(arguments)); } + var Form = { reset: function(form) { - $(form).reset(); + form = $(form); + form.reset(); return form; }, - serializeElements: function(elements, getHash) { - var data = elements.inject({}, function(result, element) { + serializeElements: function(elements, options) { + if (typeof options != 'object') options = { hash: !!options }; + else if (Object.isUndefined(options.hash)) options.hash = true; + var key, value, submitted = false, submit = options.submit; + + var data = elements.inject({ }, function(result, element) { if (!element.disabled && element.name) { - var key = element.name, value = $(element).getValue(); - if (value != null) { - if (key in result) { - if (result[key].constructor != Array) result[key] = [result[key]]; + 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) { + if (!Object.isArray(result[key])) result[key] = [result[key]]; result[key].push(value); } else result[key] = value; @@ -2642,23 +3941,28 @@ var Form = { return result; }); - return getHash ? data : Hash.toQueryString(data); + return options.hash ? data : Object.toQueryString(data); } }; Form.Methods = { - serialize: function(form, getHash) { - return Form.serializeElements(Form.getElements(form), getHash); + serialize: function(form, options) { + return Form.serializeElements(Form.getElements(form), options); }, getElements: function(form) { - return $A($(form).getElementsByTagName('*')).inject([], - function(elements, child) { - if (Form.Element.Serializers[child.tagName.toLowerCase()]) - elements.push(Element.extend(child)); - return elements; - } - ); + 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) { @@ -2690,9 +3994,15 @@ Form.Methods = { }, findFirstElement: function(form) { - return $(form).getElements().find(function(element) { - return element.type != 'hidden' && !element.disabled && - ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); + var elements = $(form).getElements().findAll(function(element) { + return 'hidden' != element.type && !element.disabled; + }); + var firstByIndex = elements.findAll(function(element) { + return element.hasAttribute('tabIndex') && element.tabIndex >= 0; + }).sortBy(function(element) { return element.tabIndex }).first(); + + return firstByIndex ? firstByIndex : elements.find(function(element) { + return /^(?:input|select|textarea)$/i.test(element.tagName); }); }, @@ -2703,25 +4013,27 @@ Form.Methods = { }, request: function(form, options) { - form = $(form), options = Object.clone(options || {}); + form = $(form), options = Object.clone(options || { }); - var params = options.parameters; + var params = options.parameters, action = form.readAttribute('action') || ''; + if (action.blank()) action = window.location.href; options.parameters = form.serialize(true); if (params) { - if (typeof params == 'string') params = params.toQueryParams(); + if (Object.isString(params)) params = params.toQueryParams(); Object.extend(options.parameters, params); } if (form.hasAttribute('method') && !options.method) options.method = form.method; - return new Ajax.Request(form.readAttribute('action'), options); + return new Ajax.Request(action, options); } -} +}; /*--------------------------------------------------------------------------*/ + Form.Element = { focus: function(element) { $(element).focus(); @@ -2732,17 +4044,18 @@ Form.Element = { $(element).select(); return element; } -} +}; Form.Element.Methods = { + serialize: function(element) { element = $(element); if (!element.disabled && element.name) { var value = element.getValue(); if (value != undefined) { - var pair = {}; + var pair = { }; pair[element.name] = value; - return Hash.toQueryString(pair); + return Object.toQueryString(pair); } } return ''; @@ -2754,6 +4067,13 @@ Form.Element.Methods = { return Form.Element.Serializers[method](element); }, + setValue: function(element, value) { + element = $(element); + var method = element.tagName.toLowerCase(); + Form.Element.Serializers[method](element, value); + return element; + }, + clear: function(element) { $(element).value = ''; return element; @@ -2768,15 +4088,14 @@ Form.Element.Methods = { try { element.focus(); if (element.select && (element.tagName.toLowerCase() != 'input' || - !['button', 'reset', 'submit'].include(element.type))) + !(/^(?:button|reset|submit)$/i.test(element.type)))) element.select(); - } catch (e) {} + } catch (e) { } return element; }, disable: function(element) { element = $(element); - element.blur(); element.disabled = true; return element; }, @@ -2786,37 +4105,55 @@ Form.Element.Methods = { element.disabled = false; return element; } -} +}; /*--------------------------------------------------------------------------*/ var Field = Form.Element; + var $F = Form.Element.Methods.getValue; /*--------------------------------------------------------------------------*/ Form.Element.Serializers = { - input: function(element) { + input: function(element, value) { switch (element.type.toLowerCase()) { case 'checkbox': case 'radio': - return Form.Element.Serializers.inputSelector(element); + return Form.Element.Serializers.inputSelector(element, value); default: - return Form.Element.Serializers.textarea(element); + return Form.Element.Serializers.textarea(element, value); } }, - inputSelector: function(element) { - return element.checked ? element.value : null; + inputSelector: function(element, value) { + if (Object.isUndefined(value)) return element.checked ? element.value : null; + else element.checked = !!value; }, - textarea: function(element) { - return element.value; + textarea: function(element, value) { + if (Object.isUndefined(value)) return element.value; + else element.value = value; }, - select: function(element) { - return this[element.type == 'select-one' ? - 'selectOne' : 'selectMany'](element); + select: function(element, 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; + } + } + else opt.selected = value.include(currentValue); + } + } }, selectOne: function(element) { @@ -2836,228 +4173,560 @@ Form.Element.Serializers = { }, optionValue: function(opt) { - // extend element because hasAttribute may not be native return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; } -} +}; + +/*--------------------------------------------------------------------------*/ + + +Abstract.TimedObserver = Class.create(PeriodicalExecuter, { + initialize: function($super, element, frequency, callback) { + $super(callback, frequency); + this.element = $(element); + this.lastValue = this.getValue(); + }, + + execute: function() { + var value = this.getValue(); + if (Object.isString(this.lastValue) && Object.isString(value) ? + this.lastValue != value : String(this.lastValue) != String(value)) { + this.callback(this.element, value); + this.lastValue = value; + } + } +}); + +Form.Element.Observer = Class.create(Abstract.TimedObserver, { + getValue: function() { + return Form.Element.getValue(this.element); + } +}); + +Form.Observer = Class.create(Abstract.TimedObserver, { + getValue: function() { + return Form.serialize(this.element); + } +}); + +/*--------------------------------------------------------------------------*/ + +Abstract.EventObserver = Class.create({ + initialize: function(element, callback) { + this.element = $(element); + this.callback = callback; + + this.lastValue = this.getValue(); + if (this.element.tagName.toLowerCase() == 'form') + this.registerFormCallbacks(); + else + this.registerCallback(this.element); + }, + + onElementEvent: function() { + var value = this.getValue(); + if (this.lastValue != value) { + this.callback(this.element, value); + this.lastValue = value; + } + }, + + registerFormCallbacks: function() { + Form.getElements(this.element).each(this.registerCallback, this); + }, + + registerCallback: function(element) { + if (element.type) { + switch (element.type.toLowerCase()) { + case 'checkbox': + case 'radio': + Event.observe(element, 'click', this.onElementEvent.bind(this)); + break; + default: + Event.observe(element, 'change', this.onElementEvent.bind(this)); + break; + } + } + } +}); + +Form.Element.EventObserver = Class.create(Abstract.EventObserver, { + getValue: function() { + return Form.Element.getValue(this.element); + } +}); + +Form.EventObserver = Class.create(Abstract.EventObserver, { + getValue: function() { + return Form.serialize(this.element); + } +}); +(function() { + + var Event = { + KEY_BACKSPACE: 8, + KEY_TAB: 9, + KEY_RETURN: 13, + KEY_ESC: 27, + KEY_LEFT: 37, + KEY_UP: 38, + KEY_RIGHT: 39, + KEY_DOWN: 40, + KEY_DELETE: 46, + KEY_HOME: 36, + KEY_END: 35, + KEY_PAGEUP: 33, + KEY_PAGEDOWN: 34, + KEY_INSERT: 45, + + cache: {} + }; + + var docEl = document.documentElement; + var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl + && 'onmouseleave' in docEl; + + var _isButton; + if (Prototype.Browser.IE) { + var buttonMap = { 0: 1, 1: 4, 2: 2 }; + _isButton = function(event, code) { + return event.button === buttonMap[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; + } + }; + } else { + _isButton = function(event, code) { + return event.which ? (event.which === code + 1) : (event.button === code); + }; + } + + function isLeftClick(event) { return _isButton(event, 0) } + + function isMiddleClick(event) { return _isButton(event, 1) } + + function isRightClick(event) { return _isButton(event, 2) } + + function element(event) { + event = Event.extend(event); + + var node = event.target, type = event.type, + currentTarget = event.currentTarget; + + if (currentTarget && currentTarget.tagName) { + if (type === 'load' || type === 'error' || + (type === 'click' && currentTarget.tagName.toLowerCase() === 'input' + && currentTarget.type === 'radio')) + node = currentTarget; + } + + if (node.nodeType == Node.TEXT_NODE) + node = node.parentNode; + + return Element.extend(node); + } + + function findElement(event, expression) { + var element = Event.element(event); + if (!expression) return element; + var elements = [element].concat(element.ancestors()); + return Selector.findElement(elements, expression, 0); + } + + 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 + }; + + + var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { + m[name] = Event.Methods[name].methodize(); + return m; + }); + + if (Prototype.Browser.IE) { + function _relatedTarget(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); + } + + Object.extend(methods, { + stopPropagation: function() { this.cancelBubble = true }, + preventDefault: function() { this.returnValue = false }, + inspect: function() { return '[object Event]' } + }); + + Event.extend = function(event, element) { + if (!event) return false; + if (event._extendedByPrototype) return event; + + event._extendedByPrototype = Prototype.emptyFunction; + var pointer = Event.pointer(event); + + Object.extend(event, { + target: event.srcElement || element, + relatedTarget: _relatedTarget(event), + pageX: pointer.x, + pageY: pointer.y + }); + + return Object.extend(event, methods); + }; + } else { + Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__; + Object.extend(Event.prototype, methods); + Event.extend = Prototype.K; + } + + function _createResponder(element, eventName, handler) { + var registry = Element.retrieve(element, 'prototype_event_registry'); + + if (Object.isUndefined(registry)) { + CACHE.push(element); + registry = Element.retrieve(element, 'prototype_event_registry', $H()); + } + + var respondersForEvent = registry.get(eventName); + if (Object.isUndefined(respondersForEvent)) { + respondersForEvent = []; + registry.set(eventName, respondersForEvent); + } + + if (respondersForEvent.pluck('handler').include(handler)) return false; + + var responder; + if (eventName.include(":")) { + responder = function(event) { + if (Object.isUndefined(event.eventName)) + return false; + + if (event.eventName !== eventName) + return false; + + Event.extend(event, element); + handler.call(element, event); + }; + } else { + if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED && + (eventName === "mouseenter" || eventName === "mouseleave")) { + if (eventName === "mouseenter" || eventName === "mouseleave") { + responder = function(event) { + Event.extend(event, element); + + var parent = event.relatedTarget; + while (parent && parent !== element) { + try { parent = parent.parentNode; } + catch(e) { parent = element; } + } + + if (parent === element) return; + + 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 i = 0, length = CACHE.length; i < length; i++) { + Event.stopObserving(CACHE[i]); + CACHE[i] = null; + } + } + + var CACHE = []; + + if (Prototype.Browser.IE) + window.attachEvent('onunload', _destroyCache); + + if (Prototype.Browser.WebKit) + window.addEventListener('unload', Prototype.emptyFunction, false); + + + var _getDOMEventName = Prototype.K; + + if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) { + _getDOMEventName = function(eventName) { + var translations = { mouseenter: "mouseover", mouseleave: "mouseout" }; + return eventName in translations ? translations[eventName] : eventName; + }; + } + + function observe(element, eventName, handler) { + element = $(element); + + var responder = _createResponder(element, eventName, handler); + + if (!responder) return element; + + if (eventName.include(':')) { + if (element.addEventListener) + element.addEventListener("dataavailable", responder, false); + else { + element.attachEvent("ondataavailable", responder); + element.attachEvent("onfilterchange", 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 (Object.isUndefined(registry)) return element; + + if (eventName && !handler) { + var responders = registry.get(eventName); + + if (Object.isUndefined(responders)) return element; + + responders.each( function(r) { + Element.stopObserving(element, eventName, r.handler); + }); + return element; + } else if (!eventName) { + registry.each( function(pair) { + var eventName = pair.key, responders = pair.value; + + responders.each( function(r) { + Element.stopObserving(element, eventName, r.handler); + }); + }); + return element; + } -/*--------------------------------------------------------------------------*/ + var responders = registry.get(eventName); -Abstract.TimedObserver = function() {} -Abstract.TimedObserver.prototype = { - initialize: function(element, frequency, callback) { - this.frequency = frequency; - this.element = $(element); - this.callback = callback; + if (!responders) return; - this.lastValue = this.getValue(); - this.registerCallback(); - }, + var responder = responders.find( function(r) { return r.handler === handler; }); + if (!responder) return element; - registerCallback: function() { - setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); - }, + var actualEventName = _getDOMEventName(eventName); - onTimerEvent: function() { - var value = this.getValue(); - var changed = ('string' == typeof this.lastValue && 'string' == typeof value - ? this.lastValue != value : String(this.lastValue) != String(value)); - if (changed) { - this.callback(this.element, value); - this.lastValue = value; + if (eventName.include(':')) { + if (element.removeEventListener) + element.removeEventListener("dataavailable", responder, false); + else { + element.detachEvent("ondataavailable", responder); + element.detachEvent("onfilterchange", responder); + } + } else { + if (element.removeEventListener) + element.removeEventListener(actualEventName, responder, false); + else + element.detachEvent('on' + actualEventName, responder); } - } -} -Form.Element.Observer = Class.create(); -Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { - getValue: function() { - return Form.Element.getValue(this.element); - } -}); + registry.set(eventName, responders.without(responder)); -Form.Observer = Class.create(); -Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { - getValue: function() { - return Form.serialize(this.element); + return element; } -}); -/*--------------------------------------------------------------------------*/ + function fire(element, eventName, memo, bubble) { + element = $(element); -Abstract.EventObserver = function() {} -Abstract.EventObserver.prototype = { - initialize: function(element, callback) { - this.element = $(element); - this.callback = callback; + if (Object.isUndefined(bubble)) + bubble = true; - this.lastValue = this.getValue(); - if (this.element.tagName.toLowerCase() == 'form') - this.registerFormCallbacks(); - else - this.registerCallback(this.element); - }, + if (element == document && document.createEvent && !element.dispatchEvent) + element = document.documentElement; - onElementEvent: function() { - var value = this.getValue(); - if (this.lastValue != value) { - this.callback(this.element, value); - this.lastValue = value; + var event; + if (document.createEvent) { + event = document.createEvent('HTMLEvents'); + event.initEvent('dataavailable', true, true); + } else { + event = document.createEventObject(); + event.eventType = bubble ? 'ondataavailable' : 'onfilterchange'; } - }, - registerFormCallbacks: function() { - Form.getElements(this.element).each(this.registerCallback.bind(this)); - }, + event.eventName = eventName; + event.memo = memo || { }; - registerCallback: function(element) { - if (element.type) { - switch (element.type.toLowerCase()) { - case 'checkbox': - case 'radio': - Event.observe(element, 'click', this.onElementEvent.bind(this)); - break; - default: - Event.observe(element, 'change', this.onElementEvent.bind(this)); - break; - } - } - } -} + if (document.createEvent) + element.dispatchEvent(event); + else + element.fireEvent(event.eventType, event); -Form.Element.EventObserver = Class.create(); -Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { - getValue: function() { - return Form.Element.getValue(this.element); + return Event.extend(event); } -}); -Form.EventObserver = Class.create(); -Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { - getValue: function() { - return Form.serialize(this.element); - } -}); -if (!window.Event) { - var Event = new Object(); -} -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, + Object.extend(Event, Event.Methods); - element: function(event) { - return $(event.target || event.srcElement); - }, + Object.extend(Event, { + fire: fire, + observe: observe, + stopObserving: stopObserving + }); - isLeftClick: function(event) { - return (((event.which) && (event.which == 1)) || - ((event.button) && (event.button == 1))); - }, + Element.addMethods({ + fire: fire, - pointerX: function(event) { - return event.pageX || (event.clientX + - (document.documentElement.scrollLeft || document.body.scrollLeft)); - }, + observe: observe, - pointerY: function(event) { - return event.pageY || (event.clientY + - (document.documentElement.scrollTop || document.body.scrollTop)); - }, + stopObserving: stopObserving + }); - stop: function(event) { - if (event.preventDefault) { - event.preventDefault(); - event.stopPropagation(); - } else { - event.returnValue = false; - event.cancelBubble = true; - } - }, + Object.extend(document, { + fire: fire.methodize(), - // find the first node with the given tagName, starting from the - // node the event was triggered on; traverses the DOM upwards - findElement: function(event, tagName) { - var element = Event.element(event); - while (element.parentNode && (!element.tagName || - (element.tagName.toUpperCase() != tagName.toUpperCase()))) - element = element.parentNode; - return element; - }, + observe: observe.methodize(), + + stopObserving: stopObserving.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, John Resig, and Diego Perini. */ - observers: false, + var timer; - _observeAndCache: function(element, name, observer, useCapture) { - if (!this.observers) this.observers = []; - if (element.addEventListener) { - this.observers.push([element, name, observer, useCapture]); - element.addEventListener(name, observer, useCapture); - } else if (element.attachEvent) { - this.observers.push([element, name, observer, useCapture]); - element.attachEvent('on' + name, observer); + function fireContentLoadedEvent() { + if (document.loaded) return; + if (timer) window.clearTimeout(timer); + document.loaded = true; + document.fire('dom:loaded'); + } + + function checkReadyState() { + if (document.readyState === 'complete') { + document.stopObserving('readystatechange', checkReadyState); + fireContentLoadedEvent(); } - }, + } - unloadCache: function() { - if (!Event.observers) return; - for (var i = 0, length = Event.observers.length; i < length; i++) { - Event.stopObserving.apply(this, Event.observers[i]); - Event.observers[i][0] = null; + function pollDoScroll() { + try { document.documentElement.doScroll('left'); } + catch(e) { + timer = pollDoScroll.defer(); + return; } - Event.observers = false; - }, + fireContentLoadedEvent(); + } - observe: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; + if (document.addEventListener) { + document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false); + } else { + document.observe('readystatechange', checkReadyState); + if (window == top) + timer = pollDoScroll.defer(); + } + + Event.observe(window, 'load', fireContentLoadedEvent); +})(); + +Element.addMethods(); + +/*------------------------------- DEPRECATED -------------------------------*/ - if (name == 'keypress' && - (Prototype.Browser.WebKit || element.attachEvent)) - name = 'keydown'; +Hash.toQueryString = Object.toQueryString; - Event._observeAndCache(element, name, observer, useCapture); +var Toggle = { display: Element.toggle }; + +Element.Methods.childOf = Element.Methods.descendantOf; + +var Insertion = { + Before: function(element, content) { + return Element.insert(element, {before:content}); }, - stopObserving: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; + Top: function(element, content) { + return Element.insert(element, {top:content}); + }, - if (name == 'keypress' && - (Prototype.Browser.WebKit || element.attachEvent)) - name = 'keydown'; + Bottom: function(element, content) { + return Element.insert(element, {bottom:content}); + }, - if (element.removeEventListener) { - element.removeEventListener(name, observer, useCapture); - } else if (element.detachEvent) { - try { - element.detachEvent('on' + name, observer); - } catch (e) {} - } + After: function(element, content) { + return Element.insert(element, {after:content}); } -}); +}; + +var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); -/* prevent memory leaks in IE */ -if (Prototype.Browser.IE) - Event.observe(window, 'unload', Event.unloadCache, false); var Position = { - // set to true if needed, warning: firefox performance problems - // NOT neeeded for page scrolling, only if draggable contained in - // scrollable elements includeScrollOffsets: false, - // must be called before calling withinIncludingScrolloffset, every time the - // page is scrolled prepare: function() { this.deltaX = window.pageXOffset || document.documentElement.scrollLeft @@ -3069,59 +4738,12 @@ var Position = { || 0; }, - realOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.scrollTop || 0; - valueL += element.scrollLeft || 0; - element = element.parentNode; - } while (element); - return [valueL, valueT]; - }, - - cumulativeOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - } while (element); - return [valueL, valueT]; - }, - - positionedOffset: function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - element = element.offsetParent; - if (element) { - if(element.tagName=='BODY') break; - var p = Element.getStyle(element, 'position'); - if (p == 'relative' || p == 'absolute') break; - } - } while (element); - return [valueL, valueT]; - }, - - offsetParent: function(element) { - if (element.offsetParent) return element.offsetParent; - if (element == document.body) return element; - - while ((element = element.parentNode) && element != document.body) - if (Element.getStyle(element, 'position') != 'static') - return element; - - return document.body; - }, - - // caches x/y coordinate pair to use with overlap within: function(element, x, y) { if (this.includeScrollOffsets) return this.withinIncludingScrolloffsets(element, x, y); this.xcomp = x; this.ycomp = y; - this.offset = this.cumulativeOffset(element); + this.offset = Element.cumulativeOffset(element); return (y >= this.offset[1] && y < this.offset[1] + element.offsetHeight && @@ -3130,11 +4752,11 @@ var Position = { }, withinIncludingScrolloffsets: function(element, x, y) { - var offsetcache = this.realOffset(element); + var offsetcache = Element.cumulativeScrollOffset(element); this.xcomp = x + offsetcache[0] - this.deltaX; this.ycomp = y + offsetcache[1] - this.deltaY; - this.offset = this.cumulativeOffset(element); + this.offset = Element.cumulativeOffset(element); return (this.ycomp >= this.offset[1] && this.ycomp < this.offset[1] + element.offsetHeight && @@ -3142,7 +4764,6 @@ var Position = { this.xcomp < this.offset[0] + element.offsetWidth); }, - // within must be called directly before overlap: function(mode, element) { if (!mode) return 0; if (mode == 'vertical') @@ -3153,125 +4774,101 @@ var Position = { element.offsetWidth; }, - page: 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) - if (Element.getStyle(element,'position')=='absolute') break; + cumulativeOffset: Element.Methods.cumulativeOffset, - } while (element = element.offsetParent); + positionedOffset: Element.Methods.positionedOffset, - element = forElement; - do { - if (!window.opera || element.tagName=='BODY') { - valueT -= element.scrollTop || 0; - valueL -= element.scrollLeft || 0; - } - } while (element = element.parentNode); + absolutize: function(element) { + Position.prepare(); + return Element.absolutize(element); + }, - return [valueL, valueT]; + relativize: function(element) { + Position.prepare(); + return Element.relativize(element); }, - clone: function(source, target) { - var options = Object.extend({ - setLeft: true, - setTop: true, - setWidth: true, - setHeight: true, - offsetTop: 0, - offsetLeft: 0 - }, arguments[2] || {}) + realOffset: Element.Methods.cumulativeScrollOffset, - // find page position of source - source = $(source); - var p = Position.page(source); + offsetParent: Element.Methods.getOffsetParent, - // find coordinate system to use - target = $(target); - var delta = [0, 0]; - var parent = null; - // delta [0,0] will do fine with position: fixed elements, - // position:absolute needs offsetParent deltas - if (Element.getStyle(target,'position') == 'absolute') { - parent = Position.offsetParent(target); - delta = Position.page(parent); - } + page: Element.Methods.viewportOffset, - // correct by body offsets (fixes Safari) - if (parent == document.body) { - delta[0] -= document.body.offsetLeft; - delta[1] -= document.body.offsetTop; - } + clone: function(source, target, options) { + options = options || { }; + return Element.clonePosition(target, source, options); + } +}; - // set position - if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; - if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; - if(options.setWidth) target.style.width = source.offsetWidth + 'px'; - if(options.setHeight) target.style.height = source.offsetHeight + 'px'; - }, +/*--------------------------------------------------------------------------*/ - absolutize: function(element) { - element = $(element); - if (element.style.position == 'absolute') return; - Position.prepare(); +if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ + function iter(name) { + return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; + } - var offsets = Position.positionedOffset(element); - var top = offsets[1]; - var left = offsets[0]; - var width = element.clientWidth; - var height = element.clientHeight; + instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? + function(element, className) { + className = className.toString().strip(); + var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); + return cond ? document._getElementsByXPath('.//*' + cond, element) : []; + } : function(element, className) { + className = className.toString().strip(); + var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); + if (!classNames && !className) return elements; + + var nodes = $(element).getElementsByTagName('*'); + className = ' ' + className + ' '; + + for (var i = 0, child, cn; child = nodes[i]; i++) { + if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || + (classNames && classNames.all(function(name) { + return !name.toString().blank() && cn.include(' ' + name + ' '); + })))) + elements.push(Element.extend(child)); + } + return elements; + }; - 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; + return function(className, parentElement) { + return $(parentElement || document.body).getElementsByClassName(className); + }; +}(Element.Methods); - element.style.position = 'absolute'; - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.width = width + 'px'; - element.style.height = height + 'px'; - }, +/*--------------------------------------------------------------------------*/ - relativize: function(element) { - element = $(element); - if (element.style.position == 'relative') return; - Position.prepare(); +Element.ClassNames = Class.create(); +Element.ClassNames.prototype = { + initialize: function(element) { + this.element = $(element); + }, - element.style.position = 'relative'; - var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); - var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); + _each: function(iterator) { + this.element.className.split(/\s+/).select(function(name) { + return name.length > 0; + })._each(iterator); + }, - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.height = element._originalHeight; - element.style.width = element._originalWidth; - } -} + set: function(className) { + this.element.className = className; + }, -// Safari returns margins on body which is incorrect if the child is absolutely -// positioned. For performance reasons, redefine Position.cumulativeOffset for -// KHTML/WebKit only. -if (Prototype.Browser.WebKit) { - Position.cumulativeOffset = function(element) { - var valueT = 0, valueL = 0; - do { - valueT += element.offsetTop || 0; - valueL += element.offsetLeft || 0; - if (element.offsetParent == document.body) - if (Element.getStyle(element, 'position') == 'absolute') break; + add: function(classNameToAdd) { + if (this.include(classNameToAdd)) return; + this.set($A(this).concat(classNameToAdd).join(' ')); + }, - element = element.offsetParent; - } while (element); + remove: function(classNameToRemove) { + if (!this.include(classNameToRemove)) return; + this.set($A(this).without(classNameToRemove).join(' ')); + }, - return [valueL, valueT]; + toString: function() { + return $A(this).join(' '); } -} +}; + +Object.extend(Element.ClassNames.prototype, Enumerable); -Element.addMethods(); \ No newline at end of file +/*--------------------------------------------------------------------------*/