| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /* Prototype JavaScript framework, version 1.5.0_rc1 |
| * (c) 2005 Sam Stephenson <sam@conio.net> |
| * |
| * Prototype is freely distributable under the terms of an MIT-style license. |
| * For details, see the Prototype web site: http://prototype.conio.net/ |
| * |
| /*--------------------------------------------------------------------------*/ |
| |
| var Prototype = { |
| Version: '1.5.0_rc1', |
| 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; |
| } |
| }, |
| |
| 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() |
| { |
| var digits = this.toString(16); |
| if ( this < 16 ) return '0' + digits; |
| return digits; |
| }, |
| |
| succ: function() |
| { |
| return this + 1; |
| }, |
| |
| times: function( iterator ) |
| { |
| $R(0, this, true).each(iterator); |
| return this; |
| } |
| }); |
| |
| var Try = { |
| these: function() |
| { |
| var returnValue; |
| |
| for ( var i = 0; i < arguments.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.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 += (replacement(match) || '').toString(); |
| 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 div = document.createElement('div'); |
| var text = document.createTextNode(this); |
| div.appendChild(text); |
| return div.innerHTML; |
| }, |
| |
| unescapeHTML: function() |
| { |
| var div = document.createElement('div'); |
| div.innerHTML = this.stripTags(); |
| return div.childNodes[0] ? div.childNodes[0].nodeValue : ''; |
| }, |
| |
| toQueryParams: function() |
| { |
| var pairs = this.match(/^\??(.*)$/)[1].split('&'); |
| return pairs.inject({}, function( params, pairString ) |
| { |
| var pair = pairString.split('='); |
| var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; |
| params[decodeURIComponent(pair[0])] = value; |
| return params; |
| }); |
| }, |
| |
| toArray: function() |
| { |
| return this.split(''); |
| }, |
| |
| camelize: function() |
| { |
| var oStringList = this.split('-'); |
| if ( oStringList.length == 1 ) return oStringList[0]; |
| |
| var camelizedString = this.indexOf('-') == 0 ? oStringList[0].charAt(0).toUpperCase() + |
| oStringList[0].substring(1) : oStringList[0]; |
| |
| for ( var i = 1, len = oStringList.length; i < len; i++ ) |
| { |
| var s = oStringList[i]; |
| camelizedString += s.charAt(0).toUpperCase() + s.substring(1); |
| } |
| |
| return camelizedString; |
| }, |
| |
| inspect: function( useDoubleQuotes ) |
| { |
| var escapedString = this.replace(/\\/g, '\\\\'); |
| if ( useDoubleQuotes ) |
| return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
| else |
| return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
| } |
| }); |
| |
| 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; |
| |
| 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 + (object[match[3]] || '').toString(); |
| }); |
| } |
| } |
| |
| var $break = new Object(); |
| var $continue = new Object(); |
| |
| var Enumerable = { |
| each: function( iterator ) |
| { |
| var index = 0; |
| try |
| { |
| this._each(function( value ) |
| { |
| try |
| { |
| iterator(value, index++); |
| } |
| catch ( e ) |
| { |
| if ( e != $continue ) throw e; |
| } |
| }); |
| } |
| catch ( e ) |
| { |
| if ( e != $break ) throw e; |
| } |
| }, |
| |
| 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(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; |
| }, |
| |
| 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.collect(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.collect(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.collect(Prototype.K); |
| }, |
| |
| 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)); |
| }); |
| }, |
| |
| 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; i < iterable.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; i < this.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 != undefined || 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; i < this.length; i++ ) |
| if ( this[i] == object ) return i; |
| return -1; |
| }, |
| |
| reverse: function( inline ) |
| { |
| return (inline !== false ? this : this.toArray())._reverse(); |
| }, |
| |
| reduce: function() |
| { |
| return this.length > 1 ? this : this[0]; |
| }, |
| |
| uniq: function() |
| { |
| return this.inject([], function( array, value ) |
| { |
| return array.include(value) ? array : array.concat([value]); |
| }); |
| }, |
| |
| inspect: function() |
| { |
| return '[' + this.map(Object.inspect).join(', ') + ']'; |
| } |
| }); |
| var Hash = { |
| _each: function( iterator ) |
| { |
| for ( var key in this ) |
| { |
| var value = this[key]; |
| if ( typeof value == 'function' ) continue; |
| |
| var pair = [key, value]; |
| pair.key = key; |
| pair.value = value; |
| iterator(pair); |
| } |
| }, |
| |
| keys: function() |
| { |
| return this.pluck('key'); |
| }, |
| |
| values: function() |
| { |
| return this.pluck('value'); |
| }, |
| |
| merge: function( hash ) |
| { |
| return $H(hash).inject($H(this), function( mergedHash, pair ) |
| { |
| mergedHash[pair.key] = pair.value; |
| return mergedHash; |
| }); |
| }, |
| |
| toQueryString: function() |
| { |
| return this.map(function( pair ) |
| { |
| return pair.map(encodeURIComponent).join('='); |
| }).join('&'); |
| }, |
| |
| inspect: function() |
| { |
| return '#<Hash:{' + this.map(function( pair ) |
| { |
| return pair.map(Object.inspect).join(': '); |
| }).join(', ') + '}>'; |
| } |
| } |
| |
| function $H( object ) |
| { |
| var hash = Object.extend({}, object || {}); |
| Object.extend(hash, Enumerable); |
| Object.extend(hash, Hash); |
| return hash; |
| } |
| ObjectRange = Class.create(); |
| Object.extend(ObjectRange.prototype, Enumerable); |
| Object.extend(ObjectRange.prototype, { |
| 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( responderToAdd ) |
| { |
| if ( !this.include(responderToAdd) ) |
| this.responders.push(responderToAdd); |
| }, |
| |
| unregister: function( responderToRemove ) |
| { |
| this.responders = this.responders.without(responderToRemove); |
| }, |
| |
| dispatch: function( callback, request, transport, json ) |
| { |
| this.each(function( responder ) |
| { |
| if ( responder[callback] && 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', |
| parameters: '' |
| } |
| Object.extend(this.options, options || {}); |
| }, |
| |
| responseIsSuccess: function() |
| { |
| return this.transport.status == undefined || this.transport.status == 0 || |
| (this.transport.status >= 200 && this.transport.status < 300); |
| }, |
| |
| responseIsFailure: function() |
| { |
| return !this.responseIsSuccess(); |
| } |
| } |
| |
| Ajax.Request = Class.create(); |
| Ajax.Request.Events = ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
| |
| Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
| initialize: function( url, options ) |
| { |
| this.transport = Ajax.getTransport(); |
| this.setOptions(options); |
| this.request(url); |
| }, |
| |
| request: function( url ) |
| { |
| var parameters = this.options.parameters || ''; |
| if ( parameters.length > 0 ) parameters += '&_='; |
| |
| /* Simulate other verbs over post */ |
| if ( this.options.method != 'get' && this.options.method != 'post' ) |
| { |
| parameters += (parameters.length > 0 ? '&' : '') + '_method=' + this.options.method; |
| this.options.method = 'post'; |
| } |
| |
| try |
| { |
| this.url = url; |
| if ( this.options.method == 'get' && parameters.length > 0 ) |
| this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; |
| |
| Ajax.Responders.dispatch('onCreate', this, this.transport); |
| |
| this.transport.open(this.options.method, 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(); |
| |
| var body = this.options.postBody ? this.options.postBody : parameters; |
| this.transport.send(this.options.method == 'post' ? body : null); |
| |
| /* Force Firefox to handle ready state 4 for synchronous requests */ |
| if ( !this.options.asynchronous && this.transport.overrideMimeType ) |
| this.onStateChange(); |
| |
| } |
| catch ( e ) |
| { |
| this.dispatchException(e); |
| } |
| }, |
| |
| setRequestHeaders: function() |
| { |
| var requestHeaders = ['X-Requested-With', 'XMLHttpRequest', |
| 'X-Prototype-Version', Prototype.Version, |
| 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*']; |
| |
| if ( this.options.method == 'post' ) |
| { |
| requestHeaders.push('Content-type', this.options.contentType); |
| |
| /* Force "Connection: close" for Mozilla browsers to work around |
| * a bug where XMLHttpReqeuest sends an incorrect Content-length |
| * header. See Mozilla Bugzilla #246651. |
| */ |
| if ( this.transport.overrideMimeType ) |
| requestHeaders.push('Connection', 'close'); |
| } |
| |
| if ( this.options.requestHeaders ) |
| requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); |
| |
| for ( var i = 0; i < requestHeaders.length; i += 2 ) |
| this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i + 1]); |
| }, |
| |
| onStateChange: function() |
| { |
| var readyState = this.transport.readyState; |
| if ( readyState != 1 ) |
| this.respondToReadyState(this.transport.readyState); |
| }, |
| |
| header: function( name ) |
| { |
| try |
| { |
| return this.transport.getResponseHeader(name); |
| } |
| catch ( e ) |
| { |
| } |
| }, |
| |
| evalJSON: function() |
| { |
| try |
| { |
| return eval('(' + this.header('X-JSON') + ')'); |
| } |
| catch ( e ) |
| { |
| } |
| }, |
| |
| evalResponse: function() |
| { |
| try |
| { |
| return eval(this.transport.responseText); |
| } |
| catch ( e ) |
| { |
| this.dispatchException(e); |
| } |
| }, |
| |
| respondToReadyState: function( readyState ) |
| { |
| var event = Ajax.Request.Events[readyState]; |
| var transport = this.transport, json = this.evalJSON(); |
| |
| if ( event == 'Complete' ) |
| { |
| try |
| { |
| (this.options['on' + this.transport.status] || |
| this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] || |
| Prototype.emptyFunction)(transport, json); |
| } |
| catch ( e ) |
| { |
| this.dispatchException(e); |
| } |
| |
| if ( (this.header('Content-type') || '').match(/^text\/javascript/i) ) |
| this.evalResponse(); |
| } |
| |
| try |
| { |
| (this.options['on' + event] || Prototype.emptyFunction)(transport, json); |
| Ajax.Responders.dispatch('on' + event, this, transport, json); |
| } |
| catch ( e ) |
| { |
| this.dispatchException(e); |
| } |
| |
| /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ |
| if ( event == 'Complete' ) |
| this.transport.onreadystatechange = Prototype.emptyFunction; |
| }, |
| |
| 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.containers = { |
| success: container.success ? $(container.success) : $(container), |
| failure: 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, object ) |
| { |
| this.updateContent(); |
| onComplete(transport, object); |
| }).bind(this); |
| |
| this.request(url); |
| }, |
| |
| updateContent: function() |
| { |
| var receiver = this.responseIsSuccess() ? this.containers.success : this.containers.failure; |
| var response = this.transport.responseText; |
| |
| if ( !this.options.evalScripts ) |
| response = response.stripScripts(); |
| |
| if ( receiver ) |
| { |
| if ( this.options.insertion ) |
| { |
| new this.options.insertion(receiver, response); |
| } |
| else |
| { |
| Element.update(receiver, response); |
| } |
| } |
| |
| if ( this.responseIsSuccess() ) |
| { |
| 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 $() |
| { |
| var results = [], element; |
| for ( var i = 0; i < arguments.length; i++ ) |
| { |
| element = arguments[i]; |
| if ( typeof element == 'string' ) |
| element = document.getElementById(element); |
| results.push(Element.extend(element)); |
| } |
| return results.reduce(); |
| } |
| |
| document.getElementsByClassName = function( className, parentElement ) |
| { |
| var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
| return $A(children).inject([], function( elements, child ) |
| { |
| if ( child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")) ) |
| elements.push(Element.extend(child)); |
| return elements; |
| }); |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| if ( !window.Element ) |
| var Element = new Object(); |
| |
| Element.extend = function( element ) |
| { |
| if ( !element ) return; |
| if ( _nativeExtensions || element.nodeType == 3 ) return element; |
| |
| if ( !element._extended && element.tagName && element != window ) |
| { |
| var methods = Object.clone(Element.Methods), cache = Element.extend.cache; |
| |
| if ( element.tagName == 'FORM' ) |
| Object.extend(methods, Form.Methods); |
| if ( ['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName) ) |
| Object.extend(methods, Form.Element.Methods); |
| |
| for ( var property in methods ) |
| { |
| var value = methods[property]; |
| if ( typeof value == 'function' ) |
| element[property] = cache.findOrStore(value); |
| } |
| } |
| |
| element._extended = true; |
| 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 ) |
| { |
| $(element).innerHTML = html.stripScripts(); |
| setTimeout(function() |
| { |
| html.evalScripts() |
| }, 10); |
| return element; |
| }, |
| |
| replace: function( element, html ) |
| { |
| element = $(element); |
| 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 ) |
| { |
| element = $(element); |
| return $A(element.getElementsByTagName('*')); |
| }, |
| |
| 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 ) |
| { |
| element = $(element); |
| if ( typeof selector == 'string' ) |
| selector = new Selector(selector); |
| return selector.match(element); |
| }, |
| |
| up: function( element, expression, index ) |
| { |
| return Selector.findElement($(element).ancestors(), expression, index); |
| }, |
| |
| down: function( element, expression, index ) |
| { |
| return Selector.findElement($(element).descendants(), expression, index); |
| }, |
| |
| previous: function( element, expression, index ) |
| { |
| return Selector.findElement($(element).previousSiblings(), expression, index); |
| }, |
| |
| next: function( element, expression, index ) |
| { |
| return Selector.findElement($(element).nextSiblings(), expression, index); |
| }, |
| |
| getElementsBySelector: function() |
| { |
| var args = $A(arguments), element = $(args.shift()); |
| return Selector.findChildElements(element, args); |
| }, |
| |
| getElementsByClassName: function( element, className ) |
| { |
| element = $(element); |
| return document.getElementsByClassName(className, element); |
| }, |
| |
| getHeight: function( element ) |
| { |
| element = $(element); |
| return element.offsetHeight; |
| }, |
| |
| classNames: function( element ) |
| { |
| return new Element.ClassNames(element); |
| }, |
| |
| hasClassName: function( element, className ) |
| { |
| if ( !(element = $(element)) ) return; |
| return Element.classNames(element).include(className); |
| }, |
| |
| 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; |
| }, |
| |
| 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 $(element).innerHTML.match(/^\s*$/); |
| }, |
| |
| childOf: function( element, ancestor ) |
| { |
| element = $(element),ancestor = $(ancestor); |
| while ( element = element.parentNode ) |
| if ( element == ancestor ) return true; |
| return false; |
| }, |
| |
| scrollTo: function( element ) |
| { |
| element = $(element); |
| var x = element.x ? element.x : element.offsetLeft, |
| y = element.y ? element.y : element.offsetTop; |
| window.scrollTo(x, y); |
| return element; |
| }, |
| |
| getStyle: function( element, style ) |
| { |
| element = $(element); |
| var value = element.style[style.camelize()]; |
| if ( !value ) |
| { |
| if ( document.defaultView && document.defaultView.getComputedStyle ) |
| { |
| var css = document.defaultView.getComputedStyle(element, null); |
| value = css ? css.getPropertyValue(style) : null; |
| } |
| else if ( element.currentStyle ) |
| { |
| value = element.currentStyle[style.camelize()]; |
| } |
| } |
| |
| if ( window.opera && ['left', 'top', 'right', 'bottom'].include(style) ) |
| if ( Element.getStyle(element, 'position') == 'static' ) value = 'auto'; |
| |
| return value == 'auto' ? null : value; |
| }, |
| |
| setStyle: function( element, style ) |
| { |
| element = $(element); |
| for ( var name in style ) |
| element.style[name.camelize()] = style[name]; |
| return element; |
| }, |
| |
| getDimensions: function( element ) |
| { |
| element = $(element); |
| if ( Element.getStyle(element, 'display') != 'none' ) |
| 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; |
| els.visibility = 'hidden'; |
| els.position = 'absolute'; |
| els.display = ''; |
| var originalWidth = element.clientWidth; |
| var originalHeight = element.clientHeight; |
| els.display = 'none'; |
| 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._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.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
| element._overflow = null; |
| return element; |
| } |
| } |
| |
| // IE is missing .innerHTML support for TABLE-related elements |
| if ( document.all ) |
| { |
| Element.Methods.update = function( element, html ) |
| { |
| element = $(element); |
| var tagName = element.tagName.toUpperCase(); |
| if ( ['THEAD','TBODY','TR','TD'].indexOf(tagName) > -1 ) |
| { |
| 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; |
| } |
| } |
| |
| Object.extend(Element, Element.Methods); |
| |
| var _nativeExtensions = false; |
| |
| if ( !window.HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent) ) |
| { |
| /* Emulate HTMLElement, HTMLFormElement, HTMLInputElement, HTMLTextAreaElement, |
| and HTMLSelectElement in Safari */ |
| ['', 'Form', 'Input', 'TextArea', 'Select'].each(function( tag ) |
| { |
| var klass = window['HTML' + tag + 'Element'] = {}; |
| klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; |
| }); |
| } |
| |
| Element.addMethods = function( methods ) |
| { |
| Object.extend(Element.Methods, methods || {}); |
| |
| function copy( methods, destination ) |
| { |
| var cache = Element.extend.cache; |
| for ( var property in methods ) |
| { |
| var value = methods[property]; |
| destination[property] = cache.findOrStore(value); |
| } |
| } |
| |
| if ( typeof HTMLElement != 'undefined' ) |
| { |
| copy(Element.Methods, HTMLElement.prototype); |
| copy(Form.Methods, HTMLFormElement.prototype); |
| [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function( klass ) |
| { |
| copy(Form.Element.Methods, klass.prototype); |
| }); |
| _nativeExtensions = true; |
| } |
| } |
| |
| var Toggle = new Object(); |
| 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.toLowerCase(); |
| if ( tagName == 'tbody' || tagName == 'tr' ) |
| { |
| 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(this.toArray().concat(classNameToAdd).join(' ')); |
| }, |
| |
| remove: function( classNameToRemove ) |
| { |
| if ( !this.include(classNameToRemove) ) return; |
| this.set(this.select(function( className ) |
| { |
| return className != classNameToRemove; |
| }).join(' ')); |
| }, |
| |
| toString: function() |
| { |
| return this.toArray().join(' '); |
| } |
| } |
| |
| Object.extend(Element.ClassNames.prototype, Enumerable); |
| var Selector = Class.create(); |
| Selector.prototype = { |
| initialize: function( expression ) |
| { |
| this.params = {classNames: []}; |
| this.expression = expression.toString().strip(); |
| this.parseExpression(); |
| this.compileMatcher(); |
| }, |
| |
| parseExpression: function() |
| { |
| function abort( message ) |
| { |
| throw 'Parse error in selector: ' + message; |
| } |
| |
| if ( this.expression == '' ) abort('empty expression'); |
| |
| var params = this.params, expr = this.expression, match, modifier, clause, rest; |
| while ( match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i) ) |
| { |
| params.attributes = params.attributes || []; |
| params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); |
| expr = match[1]; |
| } |
| |
| if ( expr == '*' ) return this.params.wildcard = true; |
| |
| while ( match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i) ) |
| { |
| modifier = match[1],clause = match[2],rest = match[3]; |
| switch ( modifier ) |
| { |
| case '#': params.id = clause; break; |
| case '.': params.classNames.push(clause); break; |
| case '': |
| case undefined: params.tagName = clause.toUpperCase(); break; |
| default: abort(expr.inspect()); |
| } |
| expr = rest; |
| } |
| |
| if ( expr.length > 0 ) abort(expr.inspect()); |
| }, |
| |
| buildMatchExpression: function() |
| { |
| var params = this.params, conditions = [], clause; |
| |
| if ( params.wildcard ) |
| conditions.push('true'); |
| if ( clause = params.id ) |
| conditions.push('element.id == ' + clause.inspect()); |
| if ( clause = params.tagName ) |
| conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); |
| if ( (clause = params.classNames).length > 0 ) |
| for ( var i = 0; i < clause.length; i++ ) |
| conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')'); |
| if ( clause = params.attributes ) |
| { |
| clause.each(function( attribute ) |
| { |
| var value = 'element.getAttribute(' + attribute.name.inspect() + ')'; |
| var splitValueBy = function( delimiter ) |
| { |
| return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; |
| } |
| |
| switch ( attribute.operator ) |
| { |
| case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; |
| case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + |
| ')'); break; |
| case '|=': conditions.push(splitValueBy('-') + '.first().toUpperCase() == ' + |
| attribute.value.toUpperCase().inspect()); break; |
| case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; |
| case '': |
| case undefined: conditions.push(value + ' != null'); break; |
| default: throw 'Unknown operator ' + attribute.operator + ' in selector'; |
| } |
| }); |
| } |
| |
| return conditions.join(' && '); |
| }, |
| |
| compileMatcher: function() |
| { |
| this.match = new Function('element', 'if (!element.tagName) return false; \ |
| return ' + this.buildMatchExpression()); |
| }, |
| |
| findElements: function( scope ) |
| { |
| var element; |
| |
| if ( element = $(this.params.id) ) |
| if ( this.match(element) ) |
| if ( !scope || Element.childOf(element, scope) ) |
| return [element]; |
| |
| scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); |
| |
| var results = []; |
| for ( var i = 0; i < scope.length; i++ ) |
| if ( this.match(element = scope[i]) ) |
| results.push(Element.extend(element)); |
| |
| return results; |
| }, |
| |
| toString: function() |
| { |
| return this.expression; |
| } |
| } |
| |
| Object.extend(Selector, { |
| matchElements: function( elements, expression ) |
| { |
| var selector = new Selector(expression); |
| return elements.select(selector.match.bind(selector)); |
| }, |
| |
| findElement: function( elements, expression, index ) |
| { |
| if ( typeof expression == 'number' ) index = expression,expression = false; |
| return Selector.matchElements(elements, expression || '*')[index || 0]; |
| }, |
| |
| findChildElements: function( element, expressions ) |
| { |
| return expressions.map(function( expression ) |
| { |
| return expression.strip().split(/\s+/).inject([null], function( results, expr ) |
| { |
| var selector = new Selector(expr); |
| return results.inject([], function( elements, result ) |
| { |
| return elements.concat(selector.findElements(result || element)); |
| }); |
| }); |
| }).flatten(); |
| } |
| }); |
| |
| function $$() |
| { |
| return Selector.findChildElements(document, $A(arguments)); |
| } |
| var Form = { |
| reset: function( form ) |
| { |
| $(form).reset(); |
| return form; |
| } |
| }; |
| |
| Form.Methods = { |
| serialize: function( form ) |
| { |
| var elements = Form.getElements($(form)); |
| var queryComponents = new Array(); |
| |
| for ( var i = 0; i < elements.length; i++ ) |
| { |
| var queryComponent = Form.Element.serialize(elements[i]); |
| if ( queryComponent ) |
| queryComponents.push(queryComponent); |
| } |
| |
| return queryComponents.join('&'); |
| }, |
| |
| getElements: function( form ) |
| { |
| form = $(form); |
| var elements = new Array(); |
| |
| for ( var tagName in Form.Element.Serializers ) |
| { |
| var tagElements = form.getElementsByTagName(tagName); |
| for ( var j = 0; j < tagElements.length; j++ ) |
| elements.push(tagElements[j]); |
| } |
| return elements; |
| }, |
| |
| getInputs: function( form, typeName, name ) |
| { |
| form = $(form); |
| var inputs = form.getElementsByTagName('input'); |
| |
| if ( !typeName && !name ) |
| return inputs; |
| |
| var matchingInputs = new Array(); |
| for ( var i = 0; i < inputs.length; i++ ) |
| { |
| var input = inputs[i]; |
| if ( (typeName && input.type != typeName) || (name && input.name != name) ) |
| continue; |
| matchingInputs.push(input); |
| } |
| |
| return matchingInputs; |
| }, |
| |
| disable: function( form ) |
| { |
| form = $(form); |
| var elements = Form.getElements(form); |
| for ( var i = 0; i < elements.length; i++ ) |
| { |
| var element = elements[i]; |
| element.blur(); |
| element.disabled = 'true'; |
| } |
| return form; |
| }, |
| |
| enable: function( form ) |
| { |
| form = $(form); |
| var elements = Form.getElements(form); |
| for ( var i = 0; i < elements.length; i++ ) |
| { |
| var element = elements[i]; |
| element.disabled = ''; |
| } |
| return form; |
| }, |
| |
| findFirstElement: function( form ) |
| { |
| return Form.getElements(form).find(function( element ) |
| { |
| return element.type != 'hidden' && !element.disabled && |
| ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
| }); |
| }, |
| |
| focusFirstElement: function( form ) |
| { |
| form = $(form); |
| Field.activate(Form.findFirstElement(form)); |
| return form; |
| } |
| } |
| |
| 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); |
| var method = element.tagName.toLowerCase(); |
| var parameter = Form.Element.Serializers[method](element); |
| |
| if ( parameter ) |
| { |
| var key = encodeURIComponent(parameter[0]); |
| if ( key.length == 0 ) return; |
| |
| if ( parameter[1].constructor != Array ) |
| parameter[1] = [parameter[1]]; |
| |
| return parameter[1].map(function( value ) |
| { |
| return key + '=' + encodeURIComponent(value); |
| }).join('&'); |
| } |
| }, |
| |
| getValue: function( element ) |
| { |
| element = $(element); |
| var method = element.tagName.toLowerCase(); |
| var parameter = Form.Element.Serializers[method](element); |
| |
| if ( parameter ) |
| return parameter[1]; |
| }, |
| |
| clear: function( element ) |
| { |
| $(element).value = ''; |
| return element; |
| }, |
| |
| present: function( element ) |
| { |
| return $(element).value != ''; |
| }, |
| |
| activate: function( element ) |
| { |
| element = $(element); |
| element.focus(); |
| if ( element.select ) |
| element.select(); |
| return element; |
| }, |
| |
| disable: function( element ) |
| { |
| element = $(element); |
| element.disabled = ''; |
| return element; |
| }, |
| |
| enable: function( element ) |
| { |
| element = $(element); |
| element.blur(); |
| element.disabled = 'true'; |
| return element; |
| } |
| } |
| |
| Object.extend(Form.Element, Form.Element.Methods); |
| var Field = Form.Element; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| 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); |
| } |
| return false; |
| }, |
| |
| inputSelector: function( element ) |
| { |
| if ( element.checked ) |
| return [element.name, element.value]; |
| }, |
| |
| textarea: function( element ) |
| { |
| return [element.name, element.value]; |
| }, |
| |
| select: function( element ) |
| { |
| return Form.Element.Serializers[element.type == 'select-one' ? 'selectOne' : 'selectMany'](element); |
| }, |
| |
| selectOne: function( element ) |
| { |
| var value = '', opt, index = element.selectedIndex; |
| if ( index >= 0 ) |
| { |
| opt = element.options[index]; |
| value = opt.value || opt.text; |
| } |
| return [element.name, value]; |
| }, |
| |
| selectMany: function( element ) |
| { |
| var value = []; |
| for ( var i = 0; i < element.length; i++ ) |
| { |
| var opt = element.options[i]; |
| if ( opt.selected ) |
| value.push(opt.value || opt.text); |
| } |
| return [element.name, value]; |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| var $F = Form.Element.getValue; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| 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(); |
| if ( this.lastValue != value ) |
| { |
| 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() |
| { |
| var elements = Form.getElements(this.element); |
| for ( var i = 0; i < elements.length; i++ ) |
| this.registerCallback(elements[i]); |
| }, |
| |
| 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; i < Event.observers.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' && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.attachEvent) ) |
| name = 'keydown'; |
| |
| Event._observeAndCache(element, name, observer, useCapture); |
| }, |
| |
| stopObserving: function( element, name, observer, useCapture ) |
| { |
| element = $(element); |
| useCapture = useCapture || false; |
| |
| if ( name == 'keypress' && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.detachEvent) ) |
| 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 ( navigator.appVersion.match(/\bMSIE\b/) ) |
| 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 ) |
| { |
| 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 ( /Konqueror|Safari|KHTML/.test(navigator.userAgent) ) |
| { |
| Position.cumulativeOffset = function( element ) |
| { |
| var valueT = 0, valueL = 0; |
| do { |
| valueT += element.offsetTop || 0; |
| valueL += element.offsetLeft || 0; |
| if ( element.offsetParent == document.body ) |
| if ( Element.getStyle(element, 'position') == 'absolute' ) break; |
| |
| element = element.offsetParent; |
| } |
| while ( element ); |
| |
| return [valueL, valueT]; |
| } |
| } |
| |
| Element.addMethods(); |
