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Diffstat (limited to 'framework/Web/Javascripts/source/prototype/prototype.js')
| -rw-r--r-- | framework/Web/Javascripts/source/prototype/prototype.js | 3216 |
1 files changed, 0 insertions, 3216 deletions
diff --git a/framework/Web/Javascripts/source/prototype/prototype.js b/framework/Web/Javascripts/source/prototype/prototype.js deleted file mode 100644 index 2a1fef0d..00000000 --- a/framework/Web/Javascripts/source/prototype/prototype.js +++ /dev/null @@ -1,3216 +0,0 @@ -/* Prototype JavaScript framework, version 1.5.1_rc2 - * (c) 2005-2007 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_rc2', - - 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 - }, - BrowserFeatures: { - XPath: !!document.evaluate, - ElementExtensions: !!window.HTMLElement, - SpecificElementExtensions: - (document.createElement('div').__proto__ !== - document.createElement('form').__proto__) - }, - - ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', - emptyFunction: function() {}, - K: function(x) { return x } -} - -var Class = { - create: function() { - return function() { - this.initialize.apply(this, arguments); - } - } -} - -var Abstract = new Object(); - -Object.extend = function(destination, source) { - for (var property in source) { - destination[property] = source[property]; - } - return destination; -} - -Object.extend(Object, { - inspect: function(object) { - try { - if (object === undefined) return 'undefined'; - if (object === null) return 'null'; - return object.inspect ? object.inspect() : object.toString(); - } catch (e) { - if (e instanceof RangeError) return '...'; - throw e; - } - }, - - toJSON: function(object) { - var type = typeof object; - switch(type) { - case 'undefined': - case 'function': - case 'unknown': return; - case 'boolean': return object.toString(); - } - if (object === null) return 'null'; - if (object.toJSON) return object.toJSON(); - if (object.ownerDocument === document) return; - var results = []; - for (var property in object) { - var value = Object.toJSON(object[property]); - if (value !== undefined) - results.push(property.toJSON() + ':' + value); - } - return '{' + results.join(',') + '}'; - }, - - keys: function(object) { - var keys = []; - for (var property in object) - keys.push(property); - return keys; - }, - - values: function(object) { - var values = []; - for (var property in object) - values.push(object[property]); - return values; - }, - - clone: function(object) { - return Object.extend({}, object); - } -}); - -Function.prototype.bind = function() { - var __method = this, args = $A(arguments), object = args.shift(); - return function() { - return __method.apply(object, args.concat($A(arguments))); - } -} - -Function.prototype.bindAsEventListener = function(object) { - var __method = this, args = $A(arguments), object = args.shift(); - return function(event) { - return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); - } -} - -Object.extend(Number.prototype, { - toColorPart: function() { - return this.toPaddedString(2, 16); - }, - - succ: function() { - return this + 1; - }, - - times: function(iterator) { - $R(0, this, true).each(iterator); - return this; - }, - - toPaddedString: function(length, radix) { - var string = this.toString(radix || 10); - return '0'.times(length - string.length) + string; - }, - - toJSON: function() { - return isFinite(this) ? this.toString() : 'null'; - } -}); - -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) + '"'; -}; - -var Try = { - these: function() { - var returnValue; - - for (var i = 0, length = arguments.length; i < length; i++) { - var lambda = arguments[i]; - try { - returnValue = lambda(); - break; - } catch (e) {} - } - - return returnValue; - } -} - -/*--------------------------------------------------------------------------*/ - -var PeriodicalExecuter = Class.create(); -PeriodicalExecuter.prototype = { - initialize: function(callback, frequency) { - this.callback = callback; - this.frequency = frequency; - this.currentlyExecuting = false; - - this.registerCallback(); - }, - - registerCallback: function() { - this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); - }, - - stop: function() { - if (!this.timer) return; - clearInterval(this.timer); - this.timer = null; - }, - - onTimerEvent: function() { - if (!this.currentlyExecuting) { - try { - this.currentlyExecuting = true; - this.callback(this); - } finally { - this.currentlyExecuting = false; - } - } - } -} -Object.extend(String, { - interpret: function(value) { - return value == null ? '' : String(value); - }, - specialChar: { - '\b': '\\b', - '\t': '\\t', - '\n': '\\n', - '\f': '\\f', - '\r': '\\r', - '\\': '\\\\' - } -}); - -Object.extend(String.prototype, { - gsub: function(pattern, replacement) { - var result = '', source = this, match; - replacement = arguments.callee.prepareReplacement(replacement); - - while (source.length > 0) { - if (match = source.match(pattern)) { - result += source.slice(0, match.index); - result += String.interpret(replacement(match)); - source = source.slice(match.index + match[0].length); - } else { - result += source, source = ''; - } - } - return result; - }, - - sub: function(pattern, replacement, count) { - replacement = this.gsub.prepareReplacement(replacement); - count = count === undefined ? 1 : count; - - return this.gsub(pattern, function(match) { - if (--count < 0) return match[0]; - return replacement(match); - }); - }, - - scan: function(pattern, iterator) { - this.gsub(pattern, iterator); - return this; - }, - - truncate: function(length, truncation) { - length = length || 30; - truncation = truncation === undefined ? '...' : truncation; - return this.length > length ? - this.slice(0, length - truncation.length) + truncation : this; - }, - - strip: function() { - return this.replace(/^\s+/, '').replace(/\s+$/, ''); - }, - - stripTags: function() { - return this.replace(/<\/?[^>]+>/gi, ''); - }, - - stripScripts: function() { - return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); - }, - - extractScripts: function() { - var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); - var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); - return (this.match(matchAll) || []).map(function(scriptTag) { - return (scriptTag.match(matchOne) || ['', ''])[1]; - }); - }, - - evalScripts: function() { - return this.extractScripts().map(function(script) { return eval(script) }); - }, - - escapeHTML: function() { - var self = arguments.callee; - self.text.data = this; - return self.div.innerHTML; - }, - - unescapeHTML: function() { - var div = document.createElement('div'); - div.innerHTML = this.stripTags(); - return div.childNodes[0] ? (div.childNodes.length > 1 ? - $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : - div.childNodes[0].nodeValue) : ''; - }, - - toQueryParams: function(separator) { - var match = this.strip().match(/([^?#]*)(#.*)?$/); - if (!match) return {}; - - return match[1].split(separator || '&').inject({}, function(hash, pair) { - if ((pair = pair.split('='))[0]) { - var name = decodeURIComponent(pair[0]); - var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; - - if (hash[name] !== undefined) { - if (hash[name].constructor != Array) - hash[name] = [hash[name]]; - if (value) hash[name].push(value); - } - else hash[name] = value; - } - return hash; - }); - }, - - toArray: function() { - return this.split(''); - }, - - succ: function() { - 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; - }, - - camelize: function() { - var parts = this.split('-'), len = parts.length; - if (len == 1) return parts[0]; - - var camelized = this.charAt(0) == '-' - ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) - : parts[0]; - - for (var i = 1; i < len; i++) - camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); - - return camelized; - }, - - capitalize: function() { - return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); - }, - - underscore: function() { - return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); - }, - - dasherize: function() { - return this.gsub(/_/,'-'); - }, - - inspect: function(useDoubleQuotes) { - var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { - var character = String.specialChar[match[0]]; - return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); - }); - if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; - return "'" + escapedString.replace(/'/g, '\\\'') + "'"; - }, - - toJSON: function() { - return this.inspect(true); - }, - - evalJSON: function(sanitize) { - try { - if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(this))) - return eval('(' + this + ')'); - } catch (e) {} - throw new SyntaxError('Badly formated JSON string: ' + this.inspect()); - }, - - include: function(pattern) { - return this.indexOf(pattern) > -1; - }, - - startsWith: function(pattern) { - return this.indexOf(pattern) == 0; - }, - - endsWith: function(pattern) { - return this.lastIndexOf(pattern) == (this.length - pattern.length); - }, - - empty: function() { - return this == ''; - }, - - blank: function() { - return /^\s*$/.test(this); - } -}); - -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); - -var Template = Class.create(); -Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; -Template.prototype = { - initialize: function(template, pattern) { - this.template = template.toString(); - this.pattern = pattern || Template.Pattern; - }, - - evaluate: function(object) { - return this.template.gsub(this.pattern, function(match) { - var before = match[1]; - if (before == '\\') return match[2]; - return before + String.interpret(object[match[3]]); - }); - } -} - -var $break = new Object(); -var $continue = new Object(); - -var Enumerable = { - each: function(iterator) { - var index = 0; - try { - this._each(function(value) { - iterator(value, index++); - }); - } catch (e) { - if (e != $break) throw e; - } - return this; - }, - - eachSlice: function(number, iterator) { - var index = -number, slices = [], array = this.toArray(); - while ((index += number) < array.length) - slices.push(array.slice(index, index+number)); - return slices.map(iterator); - }, - - all: function(iterator) { - var result = true; - this.each(function(value, index) { - result = result && !!(iterator || Prototype.K)(value, index); - if (!result) throw $break; - }); - return result; - }, - - any: function(iterator) { - var result = false; - this.each(function(value, index) { - if (result = !!(iterator || Prototype.K)(value, index)) - throw $break; - }); - return result; - }, - - collect: function(iterator) { - var results = []; - this.each(function(value, index) { - results.push((iterator || Prototype.K)(value, index)); - }); - return results; - }, - - detect: function(iterator) { - var result; - this.each(function(value, index) { - if (iterator(value, index)) { - result = value; - throw $break; - } - }); - return result; - }, - - findAll: function(iterator) { - var results = []; - this.each(function(value, index) { - if (iterator(value, index)) - results.push(value); - }); - return results; - }, - - grep: function(pattern, iterator) { - var results = []; - this.each(function(value, index) { - var stringValue = value.toString(); - if (stringValue.match(pattern)) - results.push((iterator || Prototype.K)(value, index)); - }) - return results; - }, - - include: function(object) { - var found = false; - this.each(function(value) { - if (value == object) { - found = true; - throw $break; - } - }); - return found; - }, - - inGroupsOf: function(number, fillWith) { - fillWith = fillWith === undefined ? null : fillWith; - return this.eachSlice(number, function(slice) { - while(slice.length < number) slice.push(fillWith); - return slice; - }); - }, - - inject: function(memo, iterator) { - this.each(function(value, index) { - memo = iterator(memo, value, index); - }); - return memo; - }, - - invoke: function(method) { - var args = $A(arguments).slice(1); - return this.map(function(value) { - return value[method].apply(value, args); - }); - }, - - max: function(iterator) { - var result; - this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value >= result) - result = value; - }); - return result; - }, - - min: function(iterator) { - var result; - this.each(function(value, index) { - value = (iterator || Prototype.K)(value, index); - if (result == undefined || value < result) - result = value; - }); - return result; - }, - - partition: function(iterator) { - var trues = [], falses = []; - this.each(function(value, index) { - ((iterator || Prototype.K)(value, index) ? - trues : falses).push(value); - }); - return [trues, falses]; - }, - - pluck: function(property) { - var results = []; - this.each(function(value, index) { - results.push(value[property]); - }); - return results; - }, - - reject: function(iterator) { - var results = []; - this.each(function(value, index) { - if (!iterator(value, index)) - results.push(value); - }); - return results; - }, - - sortBy: function(iterator) { - return this.map(function(value, index) { - return {value: value, criteria: iterator(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() { - return this.map(); - }, - - zip: function() { - var iterator = Prototype.K, args = $A(arguments); - if (typeof args.last() == 'function') - iterator = args.pop(); - - var collections = [this].concat(args).map($A); - return this.map(function(value, index) { - return iterator(collections.pluck(index)); - }); - }, - - size: function() { - return this.toArray().length; - }, - - inspect: function() { - return '#<Enumerable:' + this.toArray().inspect() + '>'; - } -} - -Object.extend(Enumerable, { - map: Enumerable.collect, - find: Enumerable.detect, - select: Enumerable.findAll, - member: Enumerable.include, - entries: Enumerable.toArray -}); -var $A = Array.from = function(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 (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; - } - } -} - -Object.extend(Array.prototype, Enumerable); - -if (!Array.prototype._reverse) - Array.prototype._reverse = Array.prototype.reverse; - -Object.extend(Array.prototype, { - _each: function(iterator) { - for (var i = 0, length = this.length; i < length; i++) - iterator(this[i]); - }, - - clear: function() { - this.length = 0; - return this; - }, - - first: function() { - return this[0]; - }, - - last: function() { - return this[this.length - 1]; - }, - - compact: function() { - return this.select(function(value) { - return value != null; - }); - }, - - flatten: function() { - return this.inject([], function(array, value) { - return array.concat(value && value.constructor == Array ? - value.flatten() : [value]); - }); - }, - - without: function() { - var values = $A(arguments); - 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) { - return (inline !== false ? this : this.toArray())._reverse(); - }, - - reduce: function() { - return this.length > 1 ? this : this[0]; - }, - - uniq: function(sorted) { - return this.inject([], function(array, value, index) { - if (0 == index || (sorted ? array.last() != value : !array.include(value))) - array.push(value); - return array; - }); - }, - - clone: function() { - return [].concat(this); - }, - - size: function() { - return this.length; - }, - - inspect: function() { - return '[' + this.map(Object.inspect).join(', ') + ']'; - }, - - toJSON: function() { - var results = []; - this.each(function(object) { - var value = Object.toJSON(object); - if (value !== undefined) results.push(value); - }); - return '[' + results.join(',') + ']'; - } -}); - -Array.prototype.toArray = Array.prototype.clone; - -function $w(string) { - string = string.strip(); - return string ? string.split(/\s+/) : []; -} - -if (Prototype.Browser.Opera){ - Array.prototype.concat = function() { - var array = []; - for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); - for (var i = 0, length = arguments.length; i < length; i++) { - if (arguments[i].constructor == Array) { - for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) - array.push(arguments[i][j]); - } else { - array.push(arguments[i]); - } - } - return array; - } -} -var Hash = function(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; - - this.prototype._each.call(obj, function(pair) { - if (!pair.key) return; - var value = pair.value; - - if (value && typeof value == 'object') { - if (value.constructor == Array) value.each(function(value) { - parts.add(pair.key, value); - }); - return; - } - parts.add(pair.key, value); - }); - - return parts.join('&'); - }, - - 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(',') + '}'; - } -}); - -Hash.toQueryString.addPair = function(key, value, prefix) { - if (value == null) return; - key = encodeURIComponent(key); - 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]; - pair.key = key; - pair.value = value; - iterator(pair); - } - }, - - keys: function() { - return this.pluck('key'); - }, - - values: function() { - return this.pluck('value'); - }, - - merge: function(hash) { - return $H(hash).inject(this, function(mergedHash, pair) { - mergedHash[pair.key] = pair.value; - return mergedHash; - }); - }, - - 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; - }, - - toQueryString: function() { - return Hash.toQueryString(this); - }, - - inspect: function() { - return '#<Hash:{' + this.map(function(pair) { - return pair.map(Object.inspect).join(': '); - }).join(', ') + '}>'; - }, - - toJSON: function() { - return Hash.toJSON(this); - } -}); - -function $H(object) { - if (object instanceof Hash) return object; - return new Hash(object); -}; - -// 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); - } -}; -ObjectRange = Class.create(); -Object.extend(ObjectRange.prototype, Enumerable); -Object.extend(ObjectRange.prototype, { - initialize: function(start, end, exclusive) { - this.start = start; - this.end = end; - this.exclusive = exclusive; - }, - - _each: function(iterator) { - var value = this.start; - while (this.include(value)) { - iterator(value); - value = value.succ(); - } - }, - - include: function(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); -} - -var Ajax = { - getTransport: function() { - return Try.these( - function() {return new XMLHttpRequest()}, - function() {return new ActiveXObject('Msxml2.XMLHTTP')}, - function() {return new ActiveXObject('Microsoft.XMLHTTP')} - ) || false; - }, - - activeRequestCount: 0 -} - -Ajax.Responders = { - responders: [], - - _each: function(iterator) { - this.responders._each(iterator); - }, - - register: function(responder) { - if (!this.include(responder)) - this.responders.push(responder); - }, - - unregister: function(responder) { - this.responders = this.responders.without(responder); - }, - - dispatch: function(callback, request, transport, json) { - this.each(function(responder) { - if (typeof responder[callback] == 'function') { - try { - responder[callback].apply(responder, [request, transport, json]); - } catch (e) {} - } - }); - } -}; - -Object.extend(Ajax.Responders, Enumerable); - -Ajax.Responders.register({ - onCreate: function() { - Ajax.activeRequestCount++; - }, - onComplete: function() { - Ajax.activeRequestCount--; - } -}); - -Ajax.Base = function() {}; -Ajax.Base.prototype = { - setOptions: function(options) { - this.options = { - method: 'post', - asynchronous: true, - contentType: 'application/x-www-form-urlencoded', - encoding: 'UTF-8', - parameters: '' - } - Object.extend(this.options, options || {}); - - this.options.method = this.options.method.toLowerCase(); - if (typeof this.options.parameters == 'string') - this.options.parameters = this.options.parameters.toQueryParams(); - } -} - -Ajax.Request = Class.create(); -Ajax.Request.Events = - ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; - -Ajax.Request.prototype = Object.extend(new Ajax.Base(), { - _complete: false, - - initialize: function(url, options) { - this.transport = Ajax.getTransport(); - this.setOptions(options); - this.request(url); - }, - - request: function(url) { - this.url = url; - this.method = this.options.method; - var params = Object.clone(this.options.parameters); - - if (!['get', 'post'].include(this.method)) { - // simulate other verbs over post - params['_method'] = this.method; - this.method = 'post'; - } - - this.parameters = params; - - if (params = Hash.toQueryString(params)) { - // when GET, append parameters to URL - if (this.method == 'get') - this.url += (this.url.include('?') ? '&' : '?') + params; - else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) - params += '&_='; - } - - try { - Ajax.Responders.dispatch('onCreate', this, this.transport); - - this.transport.open(this.method.toUpperCase(), this.url, - this.options.asynchronous); - - if (this.options.asynchronous) - setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); - - this.transport.onreadystatechange = this.onStateChange.bind(this); - this.setRequestHeaders(); - - this.body = this.method == 'post' ? (this.options.postBody || params) : null; - this.transport.send(this.body); - - /* Force Firefox to handle ready state 4 for synchronous requests */ - if (!this.options.asynchronous && this.transport.overrideMimeType) - this.onStateChange(); - - } - catch (e) { - this.dispatchException(e); - } - }, - - onStateChange: function() { - var readyState = this.transport.readyState; - if (readyState > 1 && !((readyState == 4) && this._complete)) - this.respondToReadyState(this.transport.readyState); - }, - - setRequestHeaders: function() { - var headers = { - 'X-Requested-With': 'XMLHttpRequest', - 'X-Prototype-Version': Prototype.Version, - 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' - }; - - if (this.method == 'post') { - headers['Content-type'] = this.options.contentType + - (this.options.encoding ? '; charset=' + this.options.encoding : ''); - - /* Force "Connection: close" for older Mozilla browsers to work - * around a bug where XMLHttpRequest sends an incorrect - * Content-length header. See Mozilla Bugzilla #246651. - */ - if (this.transport.overrideMimeType && - (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) - headers['Connection'] = 'close'; - } - - // user-defined headers - if (typeof this.options.requestHeaders == 'object') { - var extras = this.options.requestHeaders; - - if (typeof extras.push == 'function') - for (var i = 0, length = extras.length; i < length; i += 2) - headers[extras[i]] = extras[i+1]; - else - $H(extras).each(function(pair) { headers[pair.key] = pair.value }); - } - - for (var name in headers) - this.transport.setRequestHeader(name, headers[name]); - }, - - success: function() { - return !this.transport.status - || (this.transport.status >= 200 && this.transport.status < 300); - }, - - respondToReadyState: function(readyState) { - var state = Ajax.Request.Events[readyState]; - var transport = this.transport, json = this.evalJSON(); - - if (state == 'Complete') { - try { - this._complete = true; - (this.options['on' + this.transport.status] - || this.options['on' + (this.success() ? 'Success' : 'Failure')] - || Prototype.emptyFunction)(transport, json); - } catch (e) { - this.dispatchException(e); - } - - if ((this.getHeader('Content-type') || 'text/javascript').strip(). - match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) - this.evalResponse(); - } - - try { - (this.options['on' + state] || Prototype.emptyFunction)(transport, json); - Ajax.Responders.dispatch('on' + state, this, transport, json); - } 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 } - }, - - evalJSON: function() { - try { - var json = this.getHeader('X-JSON'); - return json ? eval('(' + json + ')') : null; - } catch (e) { return null } - }, - - evalResponse: function() { - try { - return eval(this.transport.responseText); - } catch (e) { - this.dispatchException(e); - } - }, - - dispatchException: function(exception) { - (this.options.onException || Prototype.emptyFunction)(this, exception); - Ajax.Responders.dispatch('onException', this, exception); - } -}); - -Ajax.Updater = Class.create(); - -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); - } - - if (this.success()) { - if (this.onComplete) - setTimeout(this.onComplete.bind(this), 10); - } - } -}); - -Ajax.PeriodicalUpdater = Class.create(); -Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { - initialize: function(container, url, options) { - this.setOptions(options); - this.onComplete = this.options.onComplete; - - 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(request) { - if (this.options.decay) { - this.decay = (request.responseText == this.lastText ? - this.decay * this.options.decay : 1); - - this.lastText = request.responseText; - } - this.timer = setTimeout(this.onTimerEvent.bind(this), - this.decay * this.frequency * 1000); - }, - - 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') - element = document.getElementById(element); - return Element.extend(element); -} - -if (Prototype.BrowserFeatures.XPath) { - document._getElementsByXPath = function(expression, parentElement) { - var results = []; - var query = document.evaluate(expression, $(parentElement) || document, - null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); - for (var i = 0, length = query.snapshotLength; i < length; i++) - results.push(query.snapshotItem(i)); - return results; - }; - - document.getElementsByClassName = function(className, parentElement) { - var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; - return document._getElementsByXPath(q, parentElement); - } - -} else document.getElementsByClassName = function(className, parentElement) { - var children = ($(parentElement) || document.body).getElementsByTagName('*'); - var elements = [], child; - for (var i = 0, length = children.length; i < length; i++) { - child = children[i]; - if (Element.hasClassName(child, className)) - elements.push(Element.extend(child)); - } - return elements; -}; - -/*--------------------------------------------------------------------------*/ - -if (!window.Element) var Element = {}; - -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); - } - - 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))); - } - } -}; - -Element.Methods = { - visible: function(element) { - return $(element).style.display != 'none'; - }, - - toggle: function(element) { - element = $(element); - Element[Element.visible(element) ? 'hide' : 'show'](element); - return element; - }, - - hide: function(element) { - $(element).style.display = 'none'; - return element; - }, - - show: function(element) { - $(element).style.display = ''; - return element; - }, - - remove: function(element) { - element = $(element); - element.parentNode.removeChild(element); - return element; - }, - - update: function(element, html) { - html = typeof html == 'undefined' ? '' : html.toString(); - $(element).innerHTML = html.stripScripts(); - setTimeout(function() {html.evalScripts()}, 10); - return element; - }, - - replace: function(element, html) { - 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); - } - setTimeout(function() {html.evalScripts()}, 10); - return element; - }, - - inspect: function(element) { - element = $(element); - var result = '<' + element.tagName.toLowerCase(); - $H({'id': 'id', 'className': 'class'}).each(function(pair) { - var property = pair.first(), attribute = pair.last(); - var value = (element[property] || '').toString(); - if (value) result += ' ' + attribute + '=' + value.inspect(true); - }); - return result + '>'; - }, - - recursivelyCollect: function(element, property) { - element = $(element); - var elements = []; - while (element = element[property]) - if (element.nodeType == 1) - elements.push(Element.extend(element)); - return elements; - }, - - ancestors: function(element) { - return $(element).recursivelyCollect('parentNode'); - }, - - descendants: function(element) { - return $A($(element).getElementsByTagName('*')).each(Element.extend); - }, - - immediateDescendants: function(element) { - if (!(element = $(element).firstChild)) return []; - while (element && element.nodeType != 1) element = element.nextSibling; - if (element) return [element].concat($(element).nextSiblings()); - return []; - }, - - previousSiblings: function(element) { - return $(element).recursivelyCollect('previousSibling'); - }, - - nextSiblings: function(element) { - return $(element).recursivelyCollect('nextSibling'); - }, - - siblings: function(element) { - element = $(element); - return element.previousSiblings().reverse().concat(element.nextSiblings()); - }, - - match: function(element, selector) { - if (typeof selector == 'string') - selector = new Selector(selector); - return selector.match($(element)); - }, - - up: function(element, expression, index) { - var ancestors = $(element).ancestors(); - return expression ? Selector.findElement(ancestors, expression, index) : - ancestors[index || 0]; - }, - - down: function(element, expression, index) { - var descendants = $(element).descendants(); - return expression ? Selector.findElement(descendants, expression, index) : - descendants[index || 0]; - }, - - previous: function(element, expression, index) { - var previousSiblings = $(element).previousSiblings(); - return expression ? Selector.findElement(previousSiblings, expression, index) : - previousSiblings[index || 0]; - }, - - next: function(element, expression, index) { - var nextSiblings = $(element).nextSiblings(); - return expression ? Selector.findElement(nextSiblings, expression, index) : - nextSiblings[index || 0]; - }, - - getElementsBySelector: function() { - var args = $A(arguments), element = $(args.shift()); - return Selector.findChildElements(element, args); - }, - - getElementsByClassName: function(element, className) { - return document.getElementsByClassName(className, element); - }, - - readAttribute: function(element, name) { - element = $(element); - if (Prototype.Browser.IE) { - if (!element.attributes) return null; - var t = Element._attributeTranslations; - 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; - } - return element.getAttribute(name); - }, - - getHeight: function(element) { - return $(element).getDimensions().height; - }, - - getWidth: function(element) { - return $(element).getDimensions().width; - }, - - classNames: function(element) { - return new Element.ClassNames(element); - }, - - hasClassName: function(element, className) { - if (!(element = $(element))) return; - var elementClassName = element.className; - if (elementClassName.length == 0) return false; - if (elementClassName == className || - elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) - return true; - return false; - }, - - addClassName: function(element, className) { - if (!(element = $(element))) return; - Element.classNames(element).add(className); - return element; - }, - - removeClassName: function(element, className) { - if (!(element = $(element))) return; - Element.classNames(element).remove(className); - 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(); - }, - - // removes whitespace-only text node children - cleanWhitespace: function(element) { - element = $(element); - var node = element.firstChild; - while (node) { - var nextNode = node.nextSibling; - if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) - element.removeChild(node); - node = nextNode; - } - return element; - }, - - empty: function(element) { - return $(element).innerHTML.blank(); - }, - - descendantOf: function(element, ancestor) { - element = $(element), ancestor = $(ancestor); - while (element = element.parentNode) - if (element == ancestor) return true; - return false; - }, - - scrollTo: function(element) { - element = $(element); - var pos = Position.cumulativeOffset(element); - window.scrollTo(pos[0], pos[1]); - return element; - }, - - getStyle: function(element, style) { - element = $(element); - style = style == 'float' ? 'cssFloat' : style.camelize(); - var value = element.style[style]; - if (!value) { - var css = document.defaultView.getComputedStyle(element, null); - value = css ? css[style] : null; - } - if (style == 'opacity') return value ? parseFloat(value) : 1.0; - return value == 'auto' ? null : value; - }, - - getOpacity: function(element) { - return $(element).getStyle('opacity'); - }, - - setStyle: function(element, styles, camelized) { - element = $(element); - var elementStyle = element.style; - - for (var property in styles) - if (property == 'opacity') element.setOpacity(styles[property]) - else - elementStyle[(property == 'float' || property == 'cssFloat') ? - (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : - (camelized ? property : property.camelize())] = styles[property]; - - return element; - }, - - setOpacity: function(element, value) { - element = $(element); - element.style.opacity = (value == 1 || value === '') ? '' : - (value < 0.00001) ? 0 : value; - return element; - }, - - getDimensions: function(element) { - element = $(element); - var display = $(element).getStyle('display'); - if (display != 'none' && display != null) // Safari bug - return {width: element.offsetWidth, height: element.offsetHeight}; - - // All *Width and *Height properties give 0 on elements with display none, - // so enable the element temporarily - var els = element.style; - var originalVisibility = els.visibility; - var originalPosition = els.position; - var originalDisplay = els.display; - els.visibility = 'hidden'; - els.position = 'absolute'; - els.display = 'block'; - var originalWidth = element.clientWidth; - var originalHeight = element.clientHeight; - els.display = originalDisplay; - els.position = originalPosition; - els.visibility = originalVisibility; - return {width: originalWidth, height: originalHeight}; - }, - - makePositioned: function(element) { - element = $(element); - var pos = Element.getStyle(element, 'position'); - if (pos == 'static' || !pos) { - element._madePositioned = true; - element.style.position = 'relative'; - // Opera returns the offset relative to the positioning context, when an - // element is position relative but top and left have not been defined - if (window.opera) { - element.style.top = 0; - element.style.left = 0; - } - } - return element; - }, - - undoPositioned: function(element) { - element = $(element); - if (element._madePositioned) { - element._madePositioned = undefined; - element.style.position = - element.style.top = - element.style.left = - element.style.bottom = - element.style.right = ''; - } - return element; - }, - - makeClipping: function(element) { - element = $(element); - if (element._overflow) return element; - element._overflow = element.style.overflow || 'auto'; - if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') - element.style.overflow = 'hidden'; - return element; - }, - - undoClipping: function(element) { - element = $(element); - if (!element._overflow) return element; - element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; - element._overflow = null; - return element; - } -}; - -Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf}); - -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) { - 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) { - 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) + ')'; - 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 = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; - depth = 2; - break; - case 'TR': - div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; - depth = 3; - break; - case 'TD': - div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; - depth = 4; - } - $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) { - element = $(element); - element.style.opacity = (value == 1) ? 0.999999 : - (value === '') ? '' : (value < 0.00001) ? 0 : value; - 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; - } - } -}; - -(function() { - Object.extend(this, { - href: this._getAttr, - src: this._getAttr, - disabled: this._flag, - checked: this._flag, - readonly: this._flag, - multiple: this._flag - }); -}).call(Element._attributeTranslations.values); - -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; - } -}; - -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; -} - -Element.hasAttribute = function(element, attribute) { - if (element.hasAttribute) return element.hasAttribute(attribute); - return Element.Methods.Simulated.hasAttribute(element, attribute); -}; - -Element.addMethods = function(methods) { - var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; - if (arguments.length == 2) { - var tagName = methods; - methods = arguments[1]; - } - - if (!tagName) Object.extend(Element.Methods, methods || {}); - else { - if (tagName.constructor == Array) tagName.each(extend); - else extend(tagName); - } - - function extend(tagName) { - tagName = tagName.toUpperCase(); - if (!Element.Methods.ByTag[tagName]) - Element.Methods.ByTag[tagName] = {}; - Object.extend(Element.Methods.ByTag[tagName], methods); - } - - function copy(methods, destination, onlyIfAbsent) { - onlyIfAbsent = onlyIfAbsent || false; - var cache = Element.extend.cache; - for (var property in methods) { - var value = methods[property]; - if (!onlyIfAbsent || !(property in destination)) - destination[property] = cache.findOrStore(value); - } - } - - function findDOMClass(tagName) { - var klass; - var trans = { - "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", - "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", - "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", - "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", - "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": - "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": - "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": - "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": - "FrameSet", "IFRAME": "IFrame" - }; - if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; - if (window[klass]) return window[klass]; - klass = 'HTML' + tagName + 'Element'; - if (window[klass]) return window[klass]; - klass = 'HTML' + tagName.capitalize() + 'Element'; - if (window[klass]) return window[klass]; - - window[klass] = {}; - window[klass].prototype = document.createElement(tagName).__proto__; - return window[klass]; - } - - if (F.ElementExtensions) { - copy(Element.Methods, HTMLElement.prototype); - copy(Element.Methods.Simulated, HTMLElement.prototype, true); - } - - if (F.SpecificElementExtensions) { - for (var tag in Element.Methods.ByTag) { - var klass = findDOMClass(tag); - if (typeof klass == "undefined") continue; - copy(T[tag], klass.prototype); - } - } -}; - -var Toggle = { display: Element.toggle }; - -/*--------------------------------------------------------------------------*/ - -Abstract.Insertion = function(adjacency) { - this.adjacency = adjacency; -} - -Abstract.Insertion.prototype = { - initialize: function(element, content) { - this.element = $(element); - this.content = content.stripScripts(); - - 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)]); - } - - setTimeout(function() {content.evalScripts()}, 10); - }, - - contentFromAnonymousTable: function() { - var div = document.createElement('div'); - div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; - return $A(div.childNodes[0].childNodes[0].childNodes); - } -} - -var Insertion = new Object(); - -Insertion.Before = Class.create(); -Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { - initializeRange: function() { - this.range.setStartBefore(this.element); - }, - - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, this.element); - }).bind(this)); - } -}); - -Insertion.Top = Class.create(); -Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { - initializeRange: function() { - this.range.selectNodeContents(this.element); - this.range.collapse(true); - }, - - insertContent: function(fragments) { - fragments.reverse(false).each((function(fragment) { - this.element.insertBefore(fragment, this.element.firstChild); - }).bind(this)); - } -}); - -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)); - } -}); - -Insertion.After = Class.create(); -Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { - initializeRange: function() { - this.range.setStartAfter(this.element); - }, - - insertContent: function(fragments) { - fragments.each((function(fragment) { - this.element.parentNode.insertBefore(fragment, - this.element.nextSibling); - }).bind(this)); - } -}); - -/*--------------------------------------------------------------------------*/ - -Element.ClassNames = Class.create(); -Element.ClassNames.prototype = { - initialize: function(element) { - this.element = $(element); - }, - - _each: function(iterator) { - this.element.className.split(/\s+/).select(function(name) { - return name.length > 0; - })._each(iterator); - }, - - set: function(className) { - this.element.className = className; - }, - - add: function(classNameToAdd) { - if (this.include(classNameToAdd)) return; - this.set($A(this).concat(classNameToAdd).join(' ')); - }, - - remove: function(classNameToRemove) { - if (!this.include(classNameToRemove)) return; - this.set($A(this).without(classNameToRemove).join(' ')); - }, - - toString: function() { - return $A(this).join(' '); - } -}; - -Object.extend(Element.ClassNames.prototype, Enumerable); -/* 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 = { - initialize: function(expression) { - this.expression = expression.strip(); - 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(); - - var e = this.expression, ps = Selector.patterns, h = Selector.handlers, - c = Selector.criteria, le, p, m; - - if (Selector._cache[e]) { - this.matcher = Selector._cache[e]; return; - } - this.matcher = ["this.matcher = function(root) {", - "var r = root, h = Selector.handlers, c = false, n;"]; - - while (e && le != e && (/\S/).test(e)) { - le = e; - for (var i in ps) { - p = ps[i]; - if (m = e.match(p)) { - this.matcher.push(typeof c[i] == 'function' ? c[i](m) : - new Template(c[i]).evaluate(m)); - e = e.replace(m[0], ''); - break; - } - } - } - - this.matcher.push("return h.unique(n);\n}"); - eval(this.matcher.join('\n')); - Selector._cache[this.expression] = this.matcher; - }, - - compileXPathMatcher: function() { - var e = this.expression, ps = Selector.patterns, - x = Selector.xpath, le, p, m; - - if (Selector._cache[e]) { - this.xpath = Selector._cache[e]; return; - } - - this.matcher = ['.//*']; - while (e && le != e && (/\S/).test(e)) { - le = e; - for (var i in ps) { - if (m = e.match(ps[i])) { - this.matcher.push(typeof x[i] == 'function' ? x[i](m) : - new Template(x[i]).evaluate(m)); - e = e.replace(m[0], ''); - break; - } - } - } - - this.xpath = this.matcher.join(''); - Selector._cache[this.expression] = this.xpath; - }, - - findElements: function(root) { - root = root || document; - if (this.xpath) return document._getElementsByXPath(this.xpath, root); - return this.matcher(root); - }, - - match: function(element) { - return this.findElements(document).include(element); - }, - - toString: function() { - return this.expression; - }, - - inspect: function() { - return "#<Selector:" + this.expression.inspect() + ">"; - } -}; - -Object.extend(Selector, { - _cache: {}, - - xpath: { - descendant: "//*", - child: "/*", - adjacent: "/following-sibling::*[1]", - laterSibling: '/following-sibling::*', - tagName: function(m) { - if (m[1] == '*') return ''; - return "[local-name()='" + m[1].toLowerCase() + - "' or local-name()='" + m[1].toUpperCase() + "']"; - }, - className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", - id: "[@id='#{1}']", - attrPresence: "[@#{1}]", - attr: function(m) { - 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); - return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); - }, - operators: { - '=': "[@#{1}='#{3}']", - '!=': "[@#{1}!='#{3}']", - '^=': "[starts-with(@#{1}, '#{3}')]", - '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", - '*=': "[contains(@#{1}, '#{3}')]", - '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", - '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" - }, - pseudos: { - 'first-child': '[not(preceding-sibling::*)]', - 'last-child': '[not(following-sibling::*)]', - 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', - 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", - 'checked': "[@checked]", - 'disabled': "[@disabled]", - 'enabled': "[not(@disabled)]", - 'not': function(m) { - if (!m[6]) return ''; - var p = Selector.patterns, x = Selector.xpath; - for (var i in p) { - if (mm = m[6].match(p[i])) { - var ss = typeof x[i] == 'function' ? x[i](mm) : new Template(x[i]).evaluate(mm); - m[6] = ss.substring(1, ss.length - 1); - break; - } - } - return "[not(" + m[6] + ")]"; - }, - 'nth-child': function(m) { - return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); - }, - 'nth-last-child': function(m) { - return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); - }, - 'nth-of-type': function(m) { - return Selector.xpath.pseudos.nth("position() ", m); - }, - 'nth-last-of-type': function(m) { - return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); - }, - 'first-of-type': function(m) { - m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); - }, - 'last-of-type': function(m) { - m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); - }, - 'only-of-type': function(m) { - var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); - }, - nth: function(predicate, m) { - var mm, formula = m[6]; - if (formula == 'even') formula = '2n+0'; - if (formula == 'odd') formula = '2n+1'; - if (mm = formula.match(/^(\d+)$/)) // digit only - predicate += "= " + mm[1]; - if (mm = formula.match(/^(\d+)?n(\+(\d+))?/)) { // an+b - var a = mm[1] ? Number(mm[1]) : 1; - var b = mm[3] ? Number(mm[3]) : 0; - predicate += "mod " + a + " = " + b; - } - return "[" + predicate + "]"; - } - } - }, - - criteria: { - tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', - className: 'n = h.className(n, r, "#{1}", c); c = false;', - id: 'n = h.id(n, r, "#{1}", c); c = false;', - attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', - attr: function(m) { - m[3] = m[5] || m[6]; - return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); - }, - pseudo: 'n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;', - descendant: 'c = "descendant";', - child: 'c = "child";', - adjacent: 'c = "adjacent";', - laterSibling: 'c = "laterSibling";' - }, - - patterns: { - // combinators must be listed first - // (and descendant needs to be last combinator) - laterSibling: /^\s*~\s*/, - child: /^\s*>\s*/, - adjacent: /^\s*\+\s*/, - descendant: /^\s/, - - // selectors follow - tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, - id: /^#([\w\-\*]+)(\b|$)/, - className: /^\.([\w\-\*]+)(\b|$)/, - pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$)/, - attrPresence: /^\[([\w]+)\]/, - attr: new RegExp(/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/) - }, - - 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) { - for (var i = 0, node; node = nodes[i]; i++) - node._counted = true; - return nodes; - }, - - unmark: function(nodes) { - for (var i = 0, node; node = nodes[i]; i++) - node._counted = undefined; - return nodes; - }, - - // mark each child node with its position (for nth calls) - // "ofType" flag indicates whether we're indexing for nth-of-type - // rather than nth-child - index: function(parentNode, reverse, ofType) { - parentNode._counted = true; - 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++; - } - } else { - for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) - if (node.nodeType == 1 && (!ofType || node._counted)) 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; - results.push(Element.extend(n)); - } - return Selector.handlers.unmark(results); - }, - - // COMBINATOR FUNCTIONS - descendant: function(nodes) { - var h = Selector.handlers; - for (var i = 0, results = [], node; node = nodes[i]; i++) - h.concat(results, Element.descendants(node)); - return results; - }, - - child: function(nodes) { - var h = Selector.handlers; - for (var i = 0, results = [], node; node = nodes[i]; i++) - h.concat(results, Element.immediateDescendants(node)); - return results; - }, - - adjacent: function(nodes) { - for (var i = 0, results = [], node; node = nodes[i]; i++) { - var next = this.nextElementSibling(node); - if (next) results.push(next); - } - return results; - }, - - laterSibling: function(nodes) { - var h = Selector.handlers; - for (var i = 0, results = [], node; node = nodes[i]; i++) - h.concat(results, Element.nextSiblings(node)); - return results; - }, - - nextElementSibling: function(node) { - while (node = node.nextSibling) - if (node.nodeType == 1) return node; - return null; - }, - - previousElementSibling: function(node) { - while (node = node.previousSibling) - if (node.nodeType == 1) return node; - return null; - }, - - // TOKEN FUNCTIONS - tagName: function(nodes, root, tagName, combinator) { - tagName = tagName.toUpperCase(); - var results = [], h = Selector.handlers; - if (nodes) { - if (combinator) { - // fastlane for ordinary descendant combinators - if (combinator == "descendant") { - for (var i = 0, node; node = nodes[i]; i++) - h.concat(results, node.getElementsByTagName(tagName)); - return results; - } else nodes = this[combinator](nodes); - if (tagName == "*") return nodes; - } - for (var i = 0, node; node = nodes[i]; i++) - if (node.tagName.toUpperCase() == tagName) 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 (nodes) { - if (combinator) { - if (combinator == 'child') { - for (var i = 0, node; node = nodes[i]; i++) - if (targetNode.parentNode == node) return [targetNode]; - } else if (combinator == 'descendant') { - for (var i = 0, node; node = nodes[i]; i++) - if (Element.descendantOf(targetNode, node)) return [targetNode]; - } else if (combinator == 'adjacent') { - for (var i = 0, node; node = nodes[i]; i++) - if (Selector.handlers.previousElementSibling(targetNode) == node) - return [targetNode]; - } else nodes = h[combinator](nodes); - } - for (var i = 0, node; node = nodes[i]; i++) - if (node == targetNode) return [targetNode]; - return []; - } - return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; - }, - - className: function(nodes, root, className, combinator) { - if (nodes && combinator) nodes = this[combinator](nodes); - return Selector.handlers.byClassName(nodes, root, className); - }, - - byClassName: function(nodes, root, className) { - if (!nodes) nodes = Selector.handlers.descendant([root]); - var needle = ' ' + className + ' '; - for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { - nodeClassName = node.className; - if (nodeClassName.length == 0) continue; - if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) - results.push(node); - } - return results; - }, - - attrPresence: function(nodes, root, attr) { - 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) { - var handler = Selector.operators[operator], results = []; - for (var i = 0, node; node = nodes[i]; i++) { - var nodeValue = Element.readAttribute(node, attr); - if (nodeValue === null) continue; - if (handler(nodeValue, value)) results.push(node); - } - return results; - }, - - pseudo: function(nodes, name, value, root, combinator) { - if (combinator) nodes = this[combinator](nodes); - return Selector.pseudos[name](nodes, value, root); - } - }, - - pseudos: { - 'first-child': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) { - if (Selector.handlers.previousElementSibling(node)) continue; - results.push(node); - } - return results; - }, - 'last-child': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) { - if (Selector.handlers.nextElementSibling(node)) continue; - results.push(node); - } - return results; - }, - 'only-child': function(nodes, value, root) { - var h = Selector.handlers; - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) - results.push(node); - return results; - }, - 'nth-child': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root); - }, - 'nth-last-child': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root, true); - }, - 'nth-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root, false, true); - }, - 'nth-last-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, formula, root, true, true); - }, - 'first-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, "1", root, false, true); - }, - 'last-of-type': function(nodes, formula, root) { - return Selector.pseudos.nth(nodes, "1", root, true, true); - }, - 'only-of-type': function(nodes, formula, root) { - var p = Selector.pseudos; - return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); - }, - - // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type - nth: function(nodes, formula, root, reverse, ofType) { - if (formula == 'even') formula = '2n+0'; - if (formula == 'odd') formula = '2n+1'; - var h = Selector.handlers, results = [], indexed = [], m; - h.mark(nodes); - for (var i = 0, node; node = nodes[i]; i++) { - if (!node.parentNode._counted) { - h.index(node.parentNode, reverse, ofType); - indexed.push(node.parentNode); - } - } - if (formula.match(/^\d+$/)) { // just a number - formula = Number(formula); - for (var i = 0, node; node = nodes[i]; i++) - if (node.nodeIndex == formula) results.push(node); - } else if (m = formula.match(/^(\d+)?n(\+(\d+))?$/)) { // an+b - var a = m[1] ? Number(m[1]) : 1; - var b = m[3] ? Number(m[3]) : 0; - for (var i = 0, node; node = nodes[i]; i++) - if (node.nodeIndex % a == b) results.push(node); - } - h.unmark(nodes); - h.unmark(indexed); - return results; - }, - - 'empty': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) { - // IE treats comments as element nodes - if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; - results.push(node); - } - return results; - }, - - 'not': function(nodes, selector, root) { - var h = Selector.handlers, exclusions = $A(nodes), selectorType, m; - for (var i in Selector.patterns) { - if (m = selector.match(Selector.patterns[i])) { - selectorType = i; break; - } - } - switch(selectorType) { - case 'className': case 'tagName': case 'id': // fallthroughs - case 'attrPresence': exclusions = h[selectorType](exclusions, root, m[1], false); break; - case 'attr': m[3] = m[5] || m[6]; exclusions = h.attr(exclusions, root, m[1], m[3], m[2]); break; - case 'pseudo': exclusions = h.pseudo(exclusions, m[1], m[6], root, false); break; - // only 'simple selectors' (one token) allowed in a :not clause - default: throw 'Illegal selector in :not clause.'; - } - h.mark(exclusions); - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (!node._counted) results.push(node); - h.unmark(exclusions); - return results; - }, - - 'enabled': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (!node.disabled) results.push(node); - return results; - }, - - 'disabled': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (node.disabled) results.push(node); - return results; - }, - - 'checked': function(nodes, value, root) { - for (var i = 0, results = [], node; node = nodes[i]; i++) - if (node.checked) results.push(node); - return results; - } - }, - - operators: { - '=': function(nv, v) { return nv == v; }, - '!=': function(nv, v) { return nv != v; }, - '^=': function(nv, v) { return nv.startsWith(v); }, - '$=': function(nv, v) { return nv.endsWith(v); }, - '*=': function(nv, v) { return nv.include(v); }, - '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, - '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } - }, - - matchElements: function(elements, expression) { - var matches = new Selector(expression).findElements(), h = Selector.handlers; - h.mark(matches); - for (var i = 0, results = [], element; element = elements[i]; i++) - if (element._counted) results.push(element); - h.unmark(matches); - return results; - }, - - findElement: function(elements, expression, index) { - if (typeof expression == 'number') { - 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()); - }); - var results = [], h = Selector.handlers; - for (var i = 0, l = expressions.length, selector; i < l; i++) { - selector = new Selector(expressions[i].strip()); - h.concat(results, selector.findElements(element)); - } - return (l > 1) ? h.unique(results) : results; - } -}); - -function $$() { - return Selector.findChildElements(document, $A(arguments)); -} -var Form = { - reset: function(form) { - $(form).reset(); - return form; - }, - - serializeElements: function(elements, getHash) { - 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]]; - result[key].push(value); - } - else result[key] = value; - } - } - return result; - }); - - return getHash ? data : Hash.toQueryString(data); - } -}; - -Form.Methods = { - serialize: function(form, getHash) { - return Form.serializeElements(Form.getElements(form), getHash); - }, - - getElements: function(form) { - return $A($(form).getElementsByTagName('*')).inject([], - function(elements, child) { - if (Form.Element.Serializers[child.tagName.toLowerCase()]) - elements.push(Element.extend(child)); - return elements; - } - ); - }, - - getInputs: function(form, typeName, name) { - form = $(form); - var inputs = form.getElementsByTagName('input'); - - if (!typeName && !name) return $A(inputs).map(Element.extend); - - for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { - var input = inputs[i]; - if ((typeName && input.type != typeName) || (name && input.name != name)) - continue; - matchingInputs.push(Element.extend(input)); - } - - return matchingInputs; - }, - - disable: function(form) { - form = $(form); - form.getElements().each(function(element) { - element.blur(); - element.disabled = 'true'; - }); - return form; - }, - - enable: function(form) { - form = $(form); - form.getElements().each(function(element) { - element.disabled = ''; - }); - return form; - }, - - findFirstElement: function(form) { - return $(form).getElements().find(function(element) { - return element.type != 'hidden' && !element.disabled && - ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); - }); - }, - - focusFirstElement: function(form) { - form = $(form); - form.findFirstElement().activate(); - return form; - }, - - request: function(form, options) { - form = $(form), options = Object.clone(options || {}); - - var params = options.parameters; - options.parameters = form.serialize(true); - - if (params) { - if (typeof params == 'string') params = params.toQueryParams(); - Object.extend(options.parameters, params); - } - - if (form.hasAttribute('method') && !options.method) - options.method = form.method; - - return new Ajax.Request(form.action, options); - } -} - -Object.extend(Form, Form.Methods); - -/*--------------------------------------------------------------------------*/ - -Form.Element = { - focus: function(element) { - $(element).focus(); - return element; - }, - - select: function(element) { - $(element).select(); - return element; - } -} - -Form.Element.Methods = { - serialize: function(element) { - element = $(element); - if (!element.disabled && element.name) { - var value = element.getValue(); - if (value != undefined) { - var pair = {}; - pair[element.name] = value; - return Hash.toQueryString(pair); - } - } - return ''; - }, - - getValue: function(element) { - element = $(element); - var method = element.tagName.toLowerCase(); - return Form.Element.Serializers[method](element); - }, - - clear: function(element) { - $(element).value = ''; - return element; - }, - - present: function(element) { - return $(element).value != ''; - }, - - activate: function(element) { - element = $(element); - try { - element.focus(); - if (element.select && (element.tagName.toLowerCase() != 'input' || - !['button', 'reset', 'submit'].include(element.type))) - element.select(); - } catch (e) {} - return element; - }, - - disable: function(element) { - element = $(element); - element.blur(); - element.disabled = true; - return element; - }, - - enable: function(element) { - element = $(element); - element.disabled = false; - return element; - } -} - -Object.extend(Form.Element, Form.Element.Methods); -Object.extend(Element.Methods.ByTag, { - "FORM": Object.clone(Form.Methods), - "INPUT": Object.clone(Form.Element.Methods), - "SELECT": Object.clone(Form.Element.Methods), - "TEXTAREA": Object.clone(Form.Element.Methods) -}); - -/*--------------------------------------------------------------------------*/ - -var Field = Form.Element; -var $F = Form.Element.getValue; - -/*--------------------------------------------------------------------------*/ - -Form.Element.Serializers = { - input: function(element) { - switch (element.type.toLowerCase()) { - case 'checkbox': - case 'radio': - return Form.Element.Serializers.inputSelector(element); - default: - return Form.Element.Serializers.textarea(element); - } - }, - - inputSelector: function(element) { - return element.checked ? element.value : null; - }, - - textarea: function(element) { - return element.value; - }, - - select: function(element) { - return this[element.type == 'select-one' ? - 'selectOne' : 'selectMany'](element); - }, - - selectOne: function(element) { - var index = element.selectedIndex; - return index >= 0 ? this.optionValue(element.options[index]) : null; - }, - - selectMany: function(element) { - var values, length = element.length; - if (!length) return null; - - for (var i = 0, values = []; i < length; i++) { - var opt = element.options[i]; - if (opt.selected) values.push(this.optionValue(opt)); - } - return values; - }, - - optionValue: function(opt) { - // extend element because hasAttribute may not be native - return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; - } -} - -/*--------------------------------------------------------------------------*/ - -Abstract.TimedObserver = function() {} -Abstract.TimedObserver.prototype = { - initialize: function(element, frequency, callback) { - this.frequency = frequency; - this.element = $(element); - this.callback = callback; - - this.lastValue = this.getValue(); - this.registerCallback(); - }, - - registerCallback: function() { - setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); - }, - - onTimerEvent: function() { - 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; - } - } -} - -Form.Element.Observer = Class.create(); -Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { - getValue: function() { - return Form.Element.getValue(this.element); - } -}); - -Form.Observer = Class.create(); -Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { - getValue: function() { - return Form.serialize(this.element); - } -}); - -/*--------------------------------------------------------------------------*/ - -Abstract.EventObserver = function() {} -Abstract.EventObserver.prototype = { - 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.bind(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(); -Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { - getValue: function() { - return Form.Element.getValue(this.element); - } -}); - -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, - - element: function(event) { - return event.target || event.srcElement; - }, - - isLeftClick: function(event) { - return (((event.which) && (event.which == 1)) || - ((event.button) && (event.button == 1))); - }, - - pointerX: function(event) { - return event.pageX || (event.clientX + - (document.documentElement.scrollLeft || document.body.scrollLeft)); - }, - - pointerY: function(event) { - return event.pageY || (event.clientY + - (document.documentElement.scrollTop || document.body.scrollTop)); - }, - - stop: function(event) { - if (event.preventDefault) { - event.preventDefault(); - event.stopPropagation(); - } else { - event.returnValue = false; - event.cancelBubble = true; - } - }, - - // find the first node with the given tagName, starting from the - // node the event was triggered on; traverses the DOM upwards - findElement: function(event, tagName) { - var element = Event.element(event); - while (element.parentNode && (!element.tagName || - (element.tagName.toUpperCase() != tagName.toUpperCase()))) - element = element.parentNode; - return element; - }, - - observers: false, - - _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); - } - }, - - 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; - } - Event.observers = false; - }, - - observe: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; - - if (name == 'keypress' && - (Prototype.Browser.WebKit || element.attachEvent)) - name = 'keydown'; - - Event._observeAndCache(element, name, observer, useCapture); - }, - - stopObserving: function(element, name, observer, useCapture) { - element = $(element); - useCapture = useCapture || false; - - if (name == 'keypress' && - (Prototype.Browser.WebKit || element.attachEvent)) - name = 'keydown'; - - if (element.removeEventListener) { - element.removeEventListener(name, observer, useCapture); - } else if (element.detachEvent) { - try { - element.detachEvent('on' + name, observer); - } catch (e) {} - } - } -}); - -/* 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 - || document.body.scrollLeft - || 0; - this.deltaY = window.pageYOffset - || document.documentElement.scrollTop - || document.body.scrollTop - || 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); - - return (y >= this.offset[1] && - y < this.offset[1] + element.offsetHeight && - x >= this.offset[0] && - x < this.offset[0] + element.offsetWidth); - }, - - withinIncludingScrolloffsets: function(element, x, y) { - var offsetcache = this.realOffset(element); - - this.xcomp = x + offsetcache[0] - this.deltaX; - this.ycomp = y + offsetcache[1] - this.deltaY; - this.offset = this.cumulativeOffset(element); - - return (this.ycomp >= this.offset[1] && - this.ycomp < this.offset[1] + element.offsetHeight && - this.xcomp >= this.offset[0] && - this.xcomp < this.offset[0] + element.offsetWidth); - }, - - // within must be called directly before - overlap: function(mode, element) { - if (!mode) return 0; - if (mode == 'vertical') - return ((this.offset[1] + element.offsetHeight) - this.ycomp) / - element.offsetHeight; - if (mode == 'horizontal') - return ((this.offset[0] + element.offsetWidth) - this.xcomp) / - 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; - - } while (element = element.offsetParent); - - element = forElement; - do { - if (!window.opera || element.tagName=='BODY') { - valueT -= element.scrollTop || 0; - valueL -= element.scrollLeft || 0; - } - } while (element = element.parentNode); - - return [valueL, valueT]; - }, - - clone: function(source, target) { - var options = Object.extend({ - setLeft: true, - setTop: true, - setWidth: true, - setHeight: true, - offsetTop: 0, - offsetLeft: 0 - }, arguments[2] || {}) - - // find page position of source - source = $(source); - var p = Position.page(source); - - // 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); - } - - // correct by body offsets (fixes Safari) - if (parent == document.body) { - delta[0] -= document.body.offsetLeft; - delta[1] -= document.body.offsetTop; - } - - // set position - if(options.setLeft) 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(); - - var offsets = Position.positionedOffset(element); - var top = offsets[1]; - var left = offsets[0]; - var width = element.clientWidth; - var height = element.clientHeight; - - element._originalLeft = left - parseFloat(element.style.left || 0); - element._originalTop = top - parseFloat(element.style.top || 0); - element._originalWidth = element.style.width; - element._originalHeight = element.style.height; - - element.style.position = 'absolute'; - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.width = width + 'px'; - element.style.height = height + 'px'; - }, - - relativize: function(element) { - element = $(element); - if (element.style.position == 'relative') return; - Position.prepare(); - - element.style.position = 'relative'; - var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); - var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); - - element.style.top = top + 'px'; - element.style.left = left + 'px'; - element.style.height = element._originalHeight; - element.style.width = element._originalWidth; - } -} - -// 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; - - element = element.offsetParent; - } while (element); - - return [valueL, valueT]; - } -} - -Element.addMethods();
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