diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/prototype.js | 5274 |
1 files changed, 3018 insertions, 2256 deletions
diff --git a/tools/prototype.js b/tools/prototype.js index 505822177..c5a9ccc05 100644 --- a/tools/prototype.js +++ b/tools/prototype.js @@ -1,2515 +1,3277 @@ -/* Prototype JavaScript framework, version 1.5.0 +/* Prototype JavaScript framework, version 1.5.1.1 * (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://prototype.conio.net/ + * For details, see the Prototype web site: http://www.prototypejs.org/ * /*--------------------------------------------------------------------------*/ var Prototype = { - Version: '1.5.0', - BrowserFeatures: { - XPath: !!document.evaluate - }, - - ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', - emptyFunction: function() {}, - K: function(x) { return x } + Version: '1.5.1.1', + + Browser: { + IE: !!(window.attachEvent && !window.opera), + Opera: !!window.opera, + WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, + Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1 + }, + + BrowserFeatures: { + XPath: !!document.evaluate, + ElementExtensions: !!window.HTMLElement, + SpecificElementExtensions: + (document.createElement('div').__proto__ !== + document.createElement('form').__proto__) + }, + + ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', + JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, + + emptyFunction: function() { }, + K: function(x) { return x } } var Class = { - create: function() { - return function() { - this.initialize.apply(this, arguments); - } - } + 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; + 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); - } + 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))); - } + 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))); - } + var __method = this, args = $A(arguments), object = args.shift(); + return function(event) { + return __method.apply(object, [event || window.event].concat(args)); + } } 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; - } + 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; - } + 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; - } - } - } -} -String.interpret = function(value){ - return value == null ? '' : String(value); + 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 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.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); - }, - - 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.replace(/\\/g, '\\\\'); - if (useDoubleQuotes) - return '"' + escapedString.replace(/"/g, '\\"') + '"'; - else - return "'" + escapedString.replace(/'/g, '\\\'') + "'"; - } + 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 key = decodeURIComponent(pair.shift()); + var value = pair.length > 1 ? pair.join('=') : pair[0]; + if (value != undefined) value = decodeURIComponent(value); + + if (key in hash) { + if (hash[key].constructor != Array) hash[key] = [hash[key]]; + hash[key].push(value); + } + else hash[key] = 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); + }, + + unfilterJSON: function(filter) { + return this.sub(filter || Prototype.JSONFilter, '#{1}'); + }, + + isJSON: function() { + var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); + return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); + }, + + evalJSON: function(sanitize) { + var json = this.unfilterJSON(); + try { + if (!sanitize || json.isJSON()) return eval('(' + json + ')'); + } catch (e) { } + throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); + }, + + include: function(pattern) { + return this.indexOf(pattern) > -1; + }, + + startsWith: function(pattern) { + return this.indexOf(pattern) === 0; + }, + + endsWith: function(pattern) { + var d = this.length - pattern.length; + return d >= 0 && this.lastIndexOf(pattern) === d; + }, + + empty: function() { + return this == ''; + }, + + blank: function() { + return /^\s*$/.test(this); + } +}); + +if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { + escapeHTML: function() { + return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); + }, + unescapeHTML: function() { + return this.replace(/&/g,'&').replace(/</g,'<').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) }; + 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]]); - }); - } + 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 $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead'); 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; - } - 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() + '>'; - } + 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 + 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 (!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; + 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() { - return this.inject([], function(array, value) { - return array.include(value) ? array : array.concat([value]); - }); - }, - - clone: function() { - return [].concat(this); - }, - - size: function() { - return this.length; - }, - - inspect: function() { - return '[' + this.map(Object.inspect).join(', ') + ']'; - } + _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+/) : []; +function $w(string) { + string = string.strip(); + return string ? string.split(/\s+/) : []; } -if(window.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; - } +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(obj) { - Object.extend(this, obj || {}); +var Hash = function(object) { + if (object instanceof Hash) this.merge(object); + else Object.extend(this, object || {}); }; Object.extend(Hash, { - toQueryString: function(obj) { - var parts = []; - - this.prototype._each.call(obj, function(pair) { - if (!pair.key) return; - - if (pair.value && pair.value.constructor == Array) { - var values = pair.value.compact(); - if (values.length < 2) pair.value = values.reduce(); - else { - key = encodeURIComponent(pair.key); - values.each(function(value) { - value = value != undefined ? encodeURIComponent(value) : ''; - parts.push(key + '=' + encodeURIComponent(value)); - }); - return; - } - } - if (pair.value == undefined) pair[1] = ''; - parts.push(pair.map(encodeURIComponent).join('=')); - }); - - return parts.join('&'); - } + 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) { + key = encodeURIComponent(key); + if (value === undefined) this.push(key); + else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value))); +} + Object.extend(Hash.prototype, Enumerable); Object.extend(Hash.prototype, { - _each: function(iterator) { - for (var key in this) { - var value = this[key]; - if (value && value == Hash.prototype[key]) continue; - - var pair = [key, value]; - 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(', ') + '}>'; - } + _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 && object.constructor == Hash) return object; - return new Hash(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; - } + 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); + 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 + 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) {} - } - }); - } + 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--; - } + 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(); - } + 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']; + ['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 = this.options.parameters; - - if (!['get', 'post'].include(this.method)) { - // simulate other verbs over post - params['_method'] = this.method; - this.method = 'post'; - } - - params = Hash.toQueryString(params); - if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_=' - - // when GET, append parameters to URL - if (this.method == 'get' && params) - this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + 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(); - - var body = this.method == 'post' ? (this.options.postBody || params) : null; - - this.transport.send(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); - } + _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 { + if (this.options.onCreate) this.options.onCreate(this.transport); + 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 + $H(extras).each(function(pair) { headers[pair.key] = pair.value }); + } + + for (var name in headers) + this.transport.setRequestHeader(name, headers[name]); + }, + + success: function() { + return !this.transport.status + || (this.transport.status >= 200 && this.transport.status < 300); + }, + + respondToReadyState: function(readyState) { + var state = Ajax.Request.Events[readyState]; + var transport = this.transport, json = this.evalJSON(); + + if (state == 'Complete') { + try { + this._complete = true; + (this.options['on' + this.transport.status] + || this.options['on' + (this.success() ? 'Success' : 'Failure')] + || Prototype.emptyFunction)(transport, json); + } catch (e) { + this.dispatchException(e); + } + + var contentType = this.getHeader('Content-type'); + if (contentType && contentType.strip(). + match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/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 ? json.evalJSON() : null; + } catch (e) { return null } + }, + + evalResponse: function() { + try { + return eval((this.transport.responseText || '').unfilterJSON()); + } 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); - } - } + 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); - } + 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 (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, $(parentElement) || document, - null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); - for (var i = 0, length = query.snapshotLength; i < length; i++) - results.push(query.snapshotItem(i)); - return results; - }; -} - -document.getElementsByClassName = function(className, parentElement) { - if (Prototype.BrowserFeatures.XPath) { - var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; - return document._getElementsByXPath(q, parentElement); - } else { - var children = ($(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; - } + 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, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)"); + for (var i = 0, length = children.length; i < length; i++) { + child = children[i]; + var elementClassName = child.className; + if (elementClassName.length == 0) continue; + if (elementClassName == className || elementClassName.match(pattern)) + elements.push(Element.extend(child)); + } + return elements; }; /*--------------------------------------------------------------------------*/ -if (!window.Element) - var Element = new Object(); +if (!window.Element) var Element = {}; Element.extend = function(element) { - if (!element || _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); - - Object.extend(methods, Element.Methods.Simulated); - - for (var property in methods) { - var value = methods[property]; - if (typeof value == 'function' && !(property in element)) - element[property] = cache.findOrStore(value); - } - } - - element._extended = true; - return 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))); - } - } + 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('*')); - }, - - 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) { - 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) { - return document.getElementsByClassName(className, element); - }, - - readAttribute: function(element, name) { - element = $(element); - if (document.all && !window.opera) { - 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]; - if(attribute) return attribute.nodeValue; - } - 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 $(element).innerHTML.match(/^\s*$/); - }, - - 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); - if (['float','cssFloat'].include(style)) - style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat'); - style = style.camelize(); - var value = element.style[style]; - if (!value) { - if (document.defaultView && document.defaultView.getComputedStyle) { - var css = document.defaultView.getComputedStyle(element, null); - value = css ? css[style] : null; - } else if (element.currentStyle) { - value = element.currentStyle[style]; - } - } - - if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none')) - value = element['offset'+style.capitalize()] + 'px'; - - if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) - if (Element.getStyle(element, 'position') == 'static') value = 'auto'; - if(style == 'opacity') { - if(value) return parseFloat(value); - if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) - if(value[1]) return parseFloat(value[1]) / 100; - return 1.0; - } - return value == 'auto' ? null : value; - }, - - setStyle: function(element, style) { - element = $(element); - for (var name in style) { - var value = style[name]; - if(name == 'opacity') { - if (value == 1) { - value = (/Gecko/.test(navigator.userAgent) && - !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0; - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); - } else if(value == '') { - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); - } else { - if(value < 0.00001) value = 0; - if(/MSIE/.test(navigator.userAgent) && !window.opera) - element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') + - 'alpha(opacity='+value*100+')'; - } - } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat'; - element.style[name.camelize()] = 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}); - -Element._attributeTranslations = {}; - -Element._attributeTranslations.names = { - colspan: "colSpan", - rowspan: "rowSpan", - valign: "vAlign", - datetime: "dateTime", - accesskey: "accessKey", - tabindex: "tabIndex", - enctype: "encType", - maxlength: "maxLength", - readonly: "readOnly", - longdesc: "longDesc" + 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); + }, + + firstDescendant: function(element) { + element = $(element).firstChild; + while (element && element.nodeType != 1) element = element.nextSibling; + return $(element); + }, + + 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) { + element = $(element); + if (arguments.length == 1) return $(element.parentNode); + var ancestors = element.ancestors(); + return expression ? Selector.findElement(ancestors, expression, index) : + ancestors[index || 0]; + }, + + down: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return element.firstDescendant(); + var descendants = element.descendants(); + return expression ? Selector.findElement(descendants, expression, index) : + descendants[index || 0]; + }, + + previous: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); + var previousSiblings = element.previousSiblings(); + return expression ? Selector.findElement(previousSiblings, expression, index) : + previousSiblings[index || 0]; + }, + + next: function(element, expression, index) { + element = $(element); + if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); + var nextSiblings = element.nextSiblings(); + return expression ? Selector.findElement(nextSiblings, expression, index) : + nextSiblings[index || 0]; + }, + + 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; + } }; -Element._attributeTranslations.values = { - _getAttr: function(element, attribute) { - return element.getAttribute(attribute, 2); - }, - - _flag: function(element, attribute) { - return $(element).hasAttribute(attribute) ? attribute : null; - }, +Object.extend(Element.Methods, { + childOf: Element.Methods.descendantOf, + childElements: Element.Methods.immediateDescendants +}); - style: function(element) { - return element.style.cssText.toLowerCase(); - }, +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; + }; +} - title: function(element) { - var node = element.getAttributeNode('title'); - return node.specified ? node.nodeValue : null; - } +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; + } + } }; -Object.extend(Element._attributeTranslations.values, { - href: Element._attributeTranslations.values._getAttr, - src: Element._attributeTranslations.values._getAttr, - disabled: Element._attributeTranslations.values._flag, - checked: Element._attributeTranslations.values._flag, - readonly: Element._attributeTranslations.values._flag, - multiple: Element._attributeTranslations.values._flag -}); +(function() { + Object.extend(this, { + href: this._getAttr, + src: this._getAttr, + type: this._getAttr, + disabled: this._flag, + checked: this._flag, + readonly: this._flag, + multiple: this._flag + }); +}).call(Element._attributeTranslations.values); Element.Methods.Simulated = { - hasAttribute: function(element, attribute) { - var t = Element._attributeTranslations; - attribute = t.names[attribute] || attribute; - return $(element).getAttributeNode(attribute).specified; - } + hasAttribute: function(element, attribute) { + var t = Element._attributeTranslations, node; + attribute = t.names[attribute] || attribute; + node = $(element).getAttributeNode(attribute); + return node && node.specified; + } }; -// IE is missing .innerHTML support for TABLE-related elements -if (document.all && !window.opera){ - 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; - } -}; +Element.Methods.ByTag = {}; Object.extend(Element, Element.Methods); -var _nativeExtensions = false; +if (!Prototype.BrowserFeatures.ElementExtensions && + document.createElement('div').__proto__) { + window.HTMLElement = {}; + window.HTMLElement.prototype = document.createElement('div').__proto__; + Prototype.BrowserFeatures.ElementExtensions = true; +} -if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) - ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { - var className = 'HTML' + tag + 'Element'; - if(window[className]) return; - var klass = window[className] = {}; - klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; - }); +Element.hasAttribute = function(element, attribute) { + if (element.hasAttribute) return element.hasAttribute(attribute); + return Element.Methods.Simulated.hasAttribute(element, attribute); +}; Element.addMethods = function(methods) { - Object.extend(Element.Methods, 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); - } - } - - if (typeof HTMLElement != 'undefined') { - copy(Element.Methods, HTMLElement.prototype); - copy(Element.Methods.Simulated, HTMLElement.prototype, true); - copy(Form.Methods, HTMLFormElement.prototype); - [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { - copy(Form.Element.Methods, klass.prototype); - }); - _nativeExtensions = true; - } -} + var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; + + if (!methods) { + Object.extend(Form, Form.Methods); + 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) + }); + } + + 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); + } + } + + Object.extend(Element, Element.Methods); + delete Element.ByTag; +}; -var Toggle = new Object(); -Toggle.display = Element.toggle; +var Toggle = { display: Element.toggle }; /*--------------------------------------------------------------------------*/ Abstract.Insertion = function(adjacency) { - this.adjacency = 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); - } + 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)); - } + 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)); - } + 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)); - } + 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)); - } + 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(' '); - } + 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.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.readAttribute("id") == ' + clause.inspect()); - if (clause = params.tagName) - conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); - if ((clause = params.classNames).length > 0) - for (var i = 0, length = clause.length; i < length; i++) - conditions.push('element.hasClassName(' + clause[i].inspect() + ')'); - if (clause = params.attributes) { - clause.each(function(attribute) { - var value = 'element.readAttribute(' + 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('element.hasAttribute(' + attribute.name.inspect() + ')'); break; - default: throw 'Unknown operator ' + attribute.operator + ' in selector'; - } - }); - } - - return conditions.join(' && '); - }, - - compileMatcher: function() { - this.match = new Function('element', 'if (!element.tagName) return false; \ - element = $(element); \ - 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, length = scope.length; i < length; i++) - if (this.match(element = scope[i])) - results.push(Element.extend(element)); - - return results; - }, - - toString: function() { - return this.expression; - } -} + 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, 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, { - matchElements: function(elements, expression) { - var selector = new Selector(expression); - return elements.select(selector.match.bind(selector)).map(Element.extend); - }, - - 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.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { - var selector = new Selector(expr); - return results.inject([], function(elements, result) { - return elements.concat(selector.findElements(result || element)); - }); - }); - }).flatten(); - } + _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) { + var e = m[6], p = Selector.patterns, + x = Selector.xpath, le, m, v; + + var exclusion = []; + while (e && le != e && (/\S/).test(e)) { + le = e; + for (var i in p) { + if (m = e.match(p[i])) { + v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m); + exclusion.push("(" + v.substring(1, v.length - 1) + ")"); + e = e.replace(m[0], ''); + break; + } + } + } + return "[not(" + exclusion.join(" and ") + ")]"; + }, + 'nth-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); + }, + 'nth-last-child': function(m) { + return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); + }, + 'nth-of-type': function(m) { + return Selector.xpath.pseudos.nth("position() ", m); + }, + 'nth-last-of-type': function(m) { + return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); + }, + 'first-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); + }, + 'last-of-type': function(m) { + m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); + }, + 'only-of-type': function(m) { + var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); + }, + nth: function(fragment, m) { + var mm, formula = m[6], predicate; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + if (mm = formula.match(/^(\d+)$/)) // digit only + return '[' + fragment + "= " + mm[1] + ']'; + if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b + if (mm[1] == "-") mm[1] = -1; + var a = mm[1] ? Number(mm[1]) : 1; + var b = mm[2] ? Number(mm[2]) : 0; + predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + + "((#{fragment} - #{b}) div #{a} >= 0)]"; + return new Template(predicate).evaluate({ + fragment: fragment, a: a, b: b }); + } + } + } + }, + + criteria: { + tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', + className: 'n = h.className(n, r, "#{1}", c); c = false;', + id: 'n = h.id(n, r, "#{1}", c); c = false;', + attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = 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: function(m) { + if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); + return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); + }, + descendant: 'c = "descendant";', + child: 'c = "child";', + adjacent: 'c = "adjacent";', + laterSibling: 'c = "laterSibling";' + }, + + patterns: { + // combinators must be listed first + // (and descendant needs to be last combinator) + laterSibling: /^\s*~\s*/, + child: /^\s*>\s*/, + adjacent: /^\s*\+\s*/, + descendant: /^\s/, + + // selectors follow + tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, + id: /^#([\w\-\*]+)(\b|$)/, + className: /^\.([\w\-\*]+)(\b|$)/, + pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/, + attrPresence: /^\[([\w]+)\]/, + attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\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, node.getElementsByTagName('*')); + return results; + }, + + child: function(nodes) { + var h = Selector.handlers; + for (var i = 0, results = [], node; node = nodes[i]; i++) { + for (var j = 0, children = [], child; child = node.childNodes[j]; j++) + if (child.nodeType == 1 && child.tagName != '!') results.push(child); + } + 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) { + if (!nodes) nodes = root.getElementsByTagName("*"); + 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 (nodes && combinator) nodes = this[combinator](nodes); + if (!nodes) nodes = root.getElementsByTagName("*"); + 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 the an+b logic + getIndices: function(a, b, total) { + if (a == 0) return b > 0 ? [b] : []; + return $R(1, total).inject([], function(memo, i) { + if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); + return memo; + }); + }, + + // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type + nth: function(nodes, formula, root, reverse, ofType) { + if (nodes.length == 0) return []; + if (formula == 'even') formula = '2n+0'; + if (formula == 'odd') formula = '2n+1'; + var h = Selector.handlers, results = [], indexed = [], m; + h.mark(nodes); + for (var i = 0, node; node = nodes[i]; i++) { + if (!node.parentNode._counted) { + h.index(node.parentNode, reverse, ofType); + indexed.push(node.parentNode); + } + } + if (formula.match(/^\d+$/)) { // 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 + if (m[1] == "-") m[1] = -1; + var a = m[1] ? Number(m[1]) : 1; + var b = m[2] ? Number(m[2]) : 0; + var indices = Selector.pseudos.getIndices(a, b, nodes.length); + for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { + for (var j = 0; j < l; j++) + if (node.nodeIndex == indices[j]) results.push(node); + } + } + h.unmark(nodes); + h.unmark(indexed); + return results; + }, + + '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*$/))) continue; + results.push(node); + } + return results; + }, + + 'not': function(nodes, selector, root) { + var h = Selector.handlers, selectorType, m; + var exclusions = new Selector(selector).findElements(root); + h.mark(exclusions); + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node._counted) results.push(node); + h.unmark(exclusions); + return results; + }, + + 'enabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (!node.disabled) results.push(node); + return results; + }, + + 'disabled': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.disabled) results.push(node); + return results; + }, + + 'checked': function(nodes, value, root) { + for (var i = 0, results = [], node; node = nodes[i]; i++) + if (node.checked) results.push(node); + return results; + } + }, + + operators: { + '=': function(nv, v) { return nv == v; }, + '!=': function(nv, v) { return nv != v; }, + '^=': function(nv, v) { return nv.startsWith(v); }, + '$=': 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)); + 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 != undefined) { - if (result[key]) { - 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); - } + 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; - } + 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(form).invoke('disable'); + return form; + }, + + enable: function(form) { + form = $(form); + Form.getElements(form).invoke('enable'); + 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.readAttribute('action'), options); + } } -Object.extend(Form, Form.Methods); - /*--------------------------------------------------------------------------*/ Form.Element = { - focus: function(element) { - $(element).focus(); - return element; - }, - - select: function(element) { - $(element).select(); - return 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); - element.focus(); - if (element.select && ( element.tagName.toLowerCase() != 'input' || - !['button', 'reset', 'submit'].include(element.type) ) ) - element.select(); - return element; - }, - - disable: function(element) { - element = $(element); - element.disabled = true; - return element; - }, - - enable: function(element) { - element = $(element); - element.blur(); - element.disabled = false; - return element; - } + 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); +/*--------------------------------------------------------------------------*/ + var Field = Form.Element; -var $F = Form.Element.getValue; +var $F = Form.Element.Methods.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; - } + 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; - } - } + 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); - } + 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); - } + 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; - } - } - } + 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); - } + 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); - } + getValue: function() { + return Form.serialize(this.element); + } }); if (!window.Event) { - var Event = new Object(); + 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' && - (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) {} - } - } + 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 (navigator.appVersion.match(/\bMSIE\b/)) - Event.observe(window, 'unload', Event.unloadCache, false); +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; - } + // 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 (/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]; - } +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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