Index: static-http/prototype.js =================================================================== --- static-http/prototype.js (revision 224772) +++ static-http/prototype.js (working copy) @@ -1,17 +1,34 @@ -/* Prototype JavaScript framework, version 1.4.0 - * (c) 2005 Sam Stephenson +/* Prototype JavaScript framework, version 1.5.1.2 + * (c) 2005-2008 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: '1.4.0', - ScriptFragment: '(?:)((\n|\r|.)*?)(?:<\/script>)', + Version: '1.5.1.2', - emptyFunction: function() {}, - K: function(x) {return x} + 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: ']*>([\\S\\s]*?)<\/script>', + JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, + + emptyFunction: function() { }, + K: function(x) { return x } } var Class = { @@ -25,22 +42,62 @@ var Abstract = new Object(); Object.extend = function(destination, source) { - for (property in source) { + for (var property in source) { destination[property] = source[property]; } return destination; } -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; +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(); @@ -50,17 +107,15 @@ } Function.prototype.bindAsEventListener = function(object) { - var __method = this; + var __method = this, args = $A(arguments), object = args.shift(); return function(event) { - return __method.call(object, event || window.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; + return this.toPaddedString(2, 16); }, succ: function() { @@ -70,14 +125,32 @@ 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; i < arguments.length; i++) { + for (var i = 0, length = arguments.length; i < length; i++) { var lambda = arguments[i]; try { returnValue = lambda(); @@ -102,40 +175,83 @@ }, registerCallback: function() { - setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); + 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.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); -function $() { - var elements = new Array(); + while (source.length > 0) { + if (match = source.match(pattern)) { + result += source.slice(0, match.index); + result += String.interpret(replacement(match)); + source = source.slice(match.index + match[0].length); + } else { + result += source, source = ''; + } + } + return result; + }, - for (var i = 0; i < arguments.length; i++) { - var element = arguments[i]; - if (typeof element == 'string') - element = document.getElementById(element); + sub: function(pattern, replacement, count) { + replacement = this.gsub.prepareReplacement(replacement); + count = count === undefined ? 1 : count; - if (arguments.length == 1) - return element; + return this.gsub(pattern, function(match) { + if (--count < 0) return match[0]; + return replacement(match); + }); + }, - elements.push(element); - } + scan: function(pattern, iterator) { + this.gsub(pattern, iterator); + return this; + }, - return elements; -} -Object.extend(String.prototype, { + truncate: function(length, truncation) { + length = length || 30; + truncation = truncation === undefined ? '...' : truncation; + return this.length > length ? + this.slice(0, length - truncation.length) + truncation : this; + }, + + strip: function() { + return this.replace(/^\s+/, '').replace(/\s+$/, ''); + }, + stripTags: function() { return this.replace(/<\/?[^>]+>/gi, ''); }, @@ -153,28 +269,40 @@ }, evalScripts: function() { - return this.extractScripts().map(eval); + 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; + 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[0].nodeValue : ''; + return div.childNodes[0] ? (div.childNodes.length > 1 ? + $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : + div.childNodes[0].nodeValue) : ''; }, - toQueryParams: function() { - var pairs = this.match(/^\??(.*)$/)[1].split('&'); - return pairs.inject({}, function(params, pairString) { - var pair = pairString.split('='); - params[pair[0]] = pair[1]; - return params; + 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; }); }, @@ -182,48 +310,158 @@ 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 oStringList = this.split('-'); - if (oStringList.length == 1) return oStringList[0]; + var parts = this.split('-'), len = parts.length; + if (len == 1) return parts[0]; - var camelizedString = this.indexOf('-') == 0 - ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) - : oStringList[0]; + var camelized = this.charAt(0) == '-' + ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) + : parts[0]; - for (var i = 1, len = oStringList.length; i < len; i++) { - var s = oStringList[i]; - camelizedString += s.charAt(0).toUpperCase() + s.substring(1); - } + for (var i = 1; i < len; i++) + camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); - return camelizedString; + return camelized; }, - inspect: function() { - return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'"; + 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,'>'); + }, + 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) }; +} + String.prototype.parseQuery = String.prototype.toQueryParams; -var $break = new Object(); -var $continue = new Object(); +Object.extend(String.prototype.escapeHTML, { + div: document.createElement('div'), + text: document.createTextNode('') +}); +with (String.prototype.escapeHTML) div.appendChild(text); + +var Template = Class.create(); +Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; +Template.prototype = { + initialize: function(template, pattern) { + this.template = template.toString(); + this.pattern = pattern || Template.Pattern; + }, + + evaluate: function(object) { + return this.template.gsub(this.pattern, function(match) { + var before = match[1]; + if (before == '\\') return match[2]; + return before + String.interpret(object[match[3]]); + }); + } +} + +var $break = {}, $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; - } + 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) { @@ -234,7 +472,7 @@ }, any: function(iterator) { - var result = true; + var result = false; this.each(function(value, index) { if (result = !!(iterator || Prototype.K)(value, index)) throw $break; @@ -245,12 +483,12 @@ collect: function(iterator) { var results = []; this.each(function(value, index) { - results.push(iterator(value, index)); + results.push((iterator || Prototype.K)(value, index)); }); return results; }, - detect: function (iterator) { + detect: function(iterator) { var result; this.each(function(value, index) { if (iterator(value, index)) { @@ -291,6 +529,14 @@ 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); @@ -300,7 +546,7 @@ invoke: function(method) { var args = $A(arguments).slice(1); - return this.collect(function(value) { + return this.map(function(value) { return value[method].apply(value, args); }); }, @@ -309,7 +555,7 @@ var result; this.each(function(value, index) { value = (iterator || Prototype.K)(value, index); - if (value >= (result || value)) + if (result == undefined || value >= result) result = value; }); return result; @@ -319,7 +565,7 @@ var result; this.each(function(value, index) { value = (iterator || Prototype.K)(value, index); - if (value <= (result || value)) + if (result == undefined || value < result) result = value; }); return result; @@ -352,7 +598,7 @@ }, sortBy: function(iterator) { - return this.collect(function(value, index) { + return this.map(function(value, index) { return {value: value, criteria: iterator(value, index)}; }).sort(function(left, right) { var a = left.criteria, b = right.criteria; @@ -361,7 +607,7 @@ }, toArray: function() { - return this.collect(Prototype.K); + return this.map(); }, zip: function() { @@ -371,11 +617,14 @@ var collections = [this].concat(args).map($A); return this.map(function(value, index) { - iterator(value = collections.pluck(index)); - return value; + return iterator(collections.pluck(index)); }); }, + size: function() { + return this.toArray().length; + }, + inspect: function() { return '#'; } @@ -394,19 +643,35 @@ return iterable.toArray(); } else { var results = []; - for (var i = 0; i < iterable.length; i++) + 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); -Array.prototype._reverse = Array.prototype.reverse; +if (!Array.prototype._reverse) + Array.prototype._reverse = Array.prototype.reverse; Object.extend(Array.prototype, { _each: function(iterator) { - for (var i = 0; i < this.length; i++) + for (var i = 0, length = this.length; i < length; i++) iterator(this[i]); }, @@ -425,13 +690,13 @@ compact: function() { return this.select(function(value) { - return value != undefined || value != null; + return value != null; }); }, flatten: function() { return this.inject([], function(array, value) { - return array.concat(value.constructor == Array ? + return array.concat(value && value.constructor == Array ? value.flatten() : [value]); }); }, @@ -444,7 +709,7 @@ }, indexOf: function(object) { - for (var i = 0; i < this.length; i++) + for (var i = 0, length = this.length; i < length; i++) if (this[i] == object) return i; return -1; }, @@ -453,23 +718,110 @@ return (inline !== false ? this : this.toArray())._reverse(); }, - shift: function() { - var result = this[0]; - for (var i = 0; i < this.length - 1; i++) - this[i] = this[i + 1]; - this.length--; - return result; + 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(', ') + ']'; } }); -var Hash = { + +Array.prototype.toArray = Array.prototype.clone; + +function $w(string) { + string = string.strip(); + return string ? string.split(/\s+/) : []; +} + +if (Prototype.Browser.Opera){ + Array.prototype.concat = function() { + var array = []; + for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); + for (var i = 0, length = arguments.length; i < length; i++) { + if (arguments[i].constructor == Array) { + for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) + array.push(arguments[i][j]); + } else { + array.push(arguments[i]); + } + } + return array; + } +} +var Hash = function(object) { + if (object instanceof Hash) this.merge(object); + else Object.extend(this, object || {}); +}; + +Object.extend(Hash, { + toQueryString: function(obj) { + var parts = []; + parts.add = arguments.callee.addPair; + + this.prototype._each.call(obj, function(pair) { + if (!pair.key) return; + var value = pair.value; + + if (value && typeof value == 'object') { + if (value.constructor == Array) value.each(function(value) { + parts.add(pair.key, value); + }); + return; + } + parts.add(pair.key, value); + }); + + return parts.join('&'); + }, + + toJSON: function(object) { + var results = []; + this.prototype._each.call(object, function(pair) { + var value = Object.toJSON(pair.value); + if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value); + }); + return '{' + results.join(', ') + '}'; + } +}); + +Hash.toQueryString.addPair = function(key, value, prefix) { + 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 (key in this) { + for (var key in this) { var value = this[key]; - if (typeof value == 'function') continue; + if (value && value == Hash.prototype[key]) continue; var pair = [key, value]; pair.key = key; @@ -487,31 +839,66 @@ }, merge: function(hash) { - return $H(hash).inject($H(this), function(mergedHash, pair) { + 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 this.map(function(pair) { - return pair.map(encodeURIComponent).join('='); - }).join('&'); + return Hash.toQueryString(this); }, inspect: function() { return '#'; + }, + + toJSON: function() { + return Hash.toJSON(this); } -} +}); function $H(object) { - var hash = Object.extend({}, object || {}); - Object.extend(hash, Enumerable); - Object.extend(hash, Hash); - return hash; -} + 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, { @@ -523,10 +910,10 @@ _each: function(iterator) { var value = this.start; - do { + while (this.include(value)) { iterator(value); value = value.succ(); - } while (this.include(value)); + } }, include: function(value) { @@ -545,9 +932,9 @@ var Ajax = { getTransport: function() { return Try.these( + function() {return new XMLHttpRequest()}, function() {return new ActiveXObject('Msxml2.XMLHTTP')}, - function() {return new ActiveXObject('Microsoft.XMLHTTP')}, - function() {return new XMLHttpRequest()} + function() {return new ActiveXObject('Microsoft.XMLHTTP')} ) || false; }, @@ -561,18 +948,18 @@ this.responders._each(iterator); }, - register: function(responderToAdd) { - if (!this.include(responderToAdd)) - this.responders.push(responderToAdd); + register: function(responder) { + if (!this.include(responder)) + this.responders.push(responder); }, - unregister: function(responderToRemove) { - this.responders = this.responders.without(responderToRemove); + unregister: function(responder) { + this.responders = this.responders.without(responder); }, dispatch: function(callback, request, transport, json) { this.each(function(responder) { - if (responder[callback] && typeof responder[callback] == 'function') { + if (typeof responder[callback] == 'function') { try { responder[callback].apply(responder, [request, transport, json]); } catch (e) {} @@ -587,7 +974,6 @@ onCreate: function() { Ajax.activeRequestCount++; }, - onComplete: function() { Ajax.activeRequestCount--; } @@ -599,19 +985,15 @@ this.options = { method: 'post', asynchronous: true, + contentType: 'application/x-www-form-urlencoded', + encoding: 'UTF-8', parameters: '' } Object.extend(this.options, options || {}); - }, - responseIsSuccess: function() { - return this.transport.status == undefined - || this.transport.status == 0 - || (this.transport.status >= 200 && this.transport.status < 300); - }, - - responseIsFailure: function() { - return !this.responseIsSuccess(); + this.options.method = this.options.method.toLowerCase(); + if (typeof this.options.parameters == 'string') + this.options.parameters = this.options.parameters.toQueryParams(); } } @@ -620,6 +1002,8 @@ ['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); @@ -627,113 +1011,161 @@ }, request: function(url) { - var parameters = this.options.parameters || ''; - if (parameters.length > 0) parameters += '&_='; + 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 { - this.url = url; - if (this.options.method == 'get' && parameters.length > 0) - this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; - + if (this.options.onCreate) this.options.onCreate(this.transport); Ajax.Responders.dispatch('onCreate', this, this.transport); - this.transport.open(this.options.method, this.url, + this.transport.open(this.method.toUpperCase(), this.url, this.options.asynchronous); - if (this.options.asynchronous) { - this.transport.onreadystatechange = this.onStateChange.bind(this); - setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); - } + if (this.options.asynchronous) + setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); + this.transport.onreadystatechange = this.onStateChange.bind(this); this.setRequestHeaders(); - var body = this.options.postBody ? this.options.postBody : parameters; - this.transport.send(this.options.method == 'post' ? body : null); + this.body = this.method == 'post' ? (this.options.postBody || params) : null; + this.transport.send(this.body); - } catch (e) { + /* 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 requestHeaders = - ['X-Requested-With', 'XMLHttpRequest', - 'X-Prototype-Version', Prototype.Version]; + var headers = { + 'X-Requested-With': 'XMLHttpRequest', + 'X-Prototype-Version': Prototype.Version, + 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' + }; - if (this.options.method == 'post') { - requestHeaders.push('Content-type', - 'application/x-www-form-urlencoded'); + if (this.method == 'post') { + headers['Content-type'] = this.options.contentType + + (this.options.encoding ? '; charset=' + this.options.encoding : ''); - /* Force "Connection: close" for Mozilla browsers to work around - * a bug where XMLHttpReqeuest sends an incorrect Content-length - * header. See Mozilla Bugzilla #246651. + /* 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) - requestHeaders.push('Connection', 'close'); + if (this.transport.overrideMimeType && + (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) + headers['Connection'] = 'close'; } - if (this.options.requestHeaders) - requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); + // user-defined headers + if (typeof this.options.requestHeaders == 'object') { + var extras = this.options.requestHeaders; - for (var i = 0; i < requestHeaders.length; i += 2) - this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); - }, + if (typeof extras.push == 'function') + for (var i = 0, length = extras.length; i < length; i += 2) + headers[extras[i]] = extras[i+1]; + else + $H(extras).each(function(pair) { headers[pair.key] = pair.value }); + } - onStateChange: function() { - var readyState = this.transport.readyState; - if (readyState != 1) - this.respondToReadyState(this.transport.readyState); + for (var name in headers) + this.transport.setRequestHeader(name, headers[name]); }, - header: function(name) { - try { - return this.transport.getResponseHeader(name); - } catch (e) {} + success: function() { + return !this.transport.status + || (this.transport.status >= 200 && this.transport.status < 300); }, - evalJSON: function() { - try { - return eval(this.header('X-JSON')); - } catch (e) {} - }, - - evalResponse: function() { - try { - return eval(this.transport.responseText); - } catch (e) { - this.dispatchException(e); - } - }, - respondToReadyState: function(readyState) { - var event = Ajax.Request.Events[readyState]; + var state = Ajax.Request.Events[readyState]; var transport = this.transport, json = this.evalJSON(); - if (event == 'Complete') { + if (state == 'Complete') { try { + this._complete = true; (this.options['on' + this.transport.status] - || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] + || this.options['on' + (this.success() ? 'Success' : 'Failure')] || Prototype.emptyFunction)(transport, json); } catch (e) { this.dispatchException(e); } - if ((this.header('Content-type') || '').match(/^text\/javascript/i)) - this.evalResponse(); + var contentType = this.getHeader('Content-type'); + if (contentType && this.isSameOrigin() && contentType.strip(). + match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) + this.evalResponse(); } try { - (this.options['on' + event] || Prototype.emptyFunction)(transport, json); - Ajax.Responders.dispatch('on' + event, this, transport, json); + (this.options['on' + state] || Prototype.emptyFunction)(transport, json); + Ajax.Responders.dispatch('on' + state, this, transport, json); } catch (e) { this.dispatchException(e); } - /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ - if (event == 'Complete') + if (state == 'Complete') { + // avoid memory leak in MSIE: clean up this.transport.onreadystatechange = Prototype.emptyFunction; + } }, + isSameOrigin: function() { + var m = this.url.match(/^\s*https?:\/\/[^\/]*/); + return !m || (m[0] == new Template('#{protocol}//#{domain}#{port}').evaluate({ + protocol: location.protocol, + domain: document.domain, + port: location.port ? ':' + location.port : '' + })); + }, + + 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(!this.isSameOrigin()) : 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); @@ -744,41 +1176,37 @@ Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { initialize: function(container, url, options) { - this.containers = { - success: container.success ? $(container.success) : $(container), - failure: container.failure ? $(container.failure) : - (container.success ? null : $(container)) + this.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, object) { + this.options.onComplete = (function(transport, param) { this.updateContent(); - onComplete(transport, object); + onComplete(transport, param); }).bind(this); this.request(url); }, updateContent: function() { - var receiver = this.responseIsSuccess() ? - this.containers.success : this.containers.failure; + var receiver = this.container[this.success() ? 'success' : 'failure']; var response = this.transport.responseText; - if (!this.options.evalScripts) - response = response.stripScripts(); + if (!this.options.evalScripts) response = response.stripScripts(); - if (receiver) { - if (this.options.insertion) { + if (receiver = $(receiver)) { + if (this.options.insertion) new this.options.insertion(receiver, response); - } else { - Element.update(receiver, response); - } + else + receiver.update(response); } - if (this.responseIsSuccess()) { + if (this.success()) { if (this.onComplete) setTimeout(this.onComplete.bind(this), 10); } @@ -807,7 +1235,7 @@ }, stop: function() { - this.updater.onComplete = undefined; + this.updater.options.onComplete = undefined; clearTimeout(this.timer); (this.onComplete || Prototype.emptyFunction).apply(this, arguments); }, @@ -827,129 +1255,370 @@ this.updater = new Ajax.Updater(this.container, this.url, this.options); } }); -document.getElementsByClassName = function(className, parentElement) { - var children = ($(parentElement) || document.body).getElementsByTagName('*'); - return $A(children).inject([], function(elements, child) { - if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) - elements.push(child); +function $(element) { + if (arguments.length > 1) { + for (var i = 0, elements = [], length = arguments.length; i < length; i++) + elements.push($(arguments[i])); return elements; - }); + } + if (typeof element == 'string') + element = document.getElementById(element); + return Element.extend(element); } +if (Prototype.BrowserFeatures.XPath) { + document._getElementsByXPath = function(expression, parentElement) { + var results = []; + var query = document.evaluate(expression, $(parentElement) || document, + null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); + for (var i = 0, length = query.snapshotLength; i < length; i++) + results.push(query.snapshotItem(i)); + return results; + }; + + document.getElementsByClassName = function(className, parentElement) { + var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; + return document._getElementsByXPath(q, parentElement); + } + +} else document.getElementsByClassName = function(className, parentElement) { + var children = ($(parentElement) || document.body).getElementsByTagName('*'); + var elements = [], child, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)"); + for (var i = 0, length = children.length; i < length; i++) { + child = children[i]; + var elementClassName = child.className; + if (elementClassName.length == 0) continue; + if (elementClassName == className || elementClassName.match(pattern)) + elements.push(Element.extend(child)); + } + return elements; +}; + /*--------------------------------------------------------------------------*/ -if (!window.Element) { - var Element = new Object(); -} +if (!window.Element) var Element = {}; -Object.extend(Element, { +Element.extend = function(element) { + var F = Prototype.BrowserFeatures; + if (!element || !element.tagName || element.nodeType == 3 || + element._extended || F.SpecificElementExtensions || element == window) + return element; + + var methods = {}, tagName = element.tagName, cache = Element.extend.cache, + T = Element.Methods.ByTag; + + // extend methods for all tags (Safari doesn't need this) + if (!F.ElementExtensions) { + Object.extend(methods, Element.Methods), + Object.extend(methods, Element.Methods.Simulated); + } + + // extend methods for specific tags + if (T[tagName]) Object.extend(methods, T[tagName]); + + for (var property in methods) { + var value = methods[property]; + if (typeof value == 'function' && !(property in element)) + element[property] = cache.findOrStore(value); + } + + element._extended = Prototype.emptyFunction; + return element; +}; + +Element.extend.cache = { + findOrStore: function(value) { + return this[value] = this[value] || function() { + return value.apply(null, [this].concat($A(arguments))); + } + } +}; + +Element.Methods = { visible: function(element) { return $(element).style.display != 'none'; }, - toggle: function() { - for (var i = 0; i < arguments.length; i++) { - var element = $(arguments[i]); - Element[Element.visible(element) ? 'hide' : 'show'](element); - } + toggle: function(element) { + element = $(element); + Element[Element.visible(element) ? 'hide' : 'show'](element); + return element; }, - hide: function() { - for (var i = 0; i < arguments.length; i++) { - var element = $(arguments[i]); - element.style.display = 'none'; - } + hide: function(element) { + $(element).style.display = 'none'; + return element; }, - show: function() { - for (var i = 0; i < arguments.length; i++) { - var element = $(arguments[i]); - element.style.display = ''; - } + 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; }, - getHeight: function(element) { + replace: function(element, html) { element = $(element); - return element.offsetHeight; + 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 = $(element))) return; - return Element.classNames(element).include(className); + var elementClassName = element.className; + if (elementClassName.length == 0) return false; + if (elementClassName == className || + elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) + return true; + return false; }, addClassName: function(element, className) { if (!(element = $(element))) return; - return Element.classNames(element).add(className); + Element.classNames(element).add(className); + return element; }, removeClassName: function(element, className) { if (!(element = $(element))) return; - return Element.classNames(element).remove(className); + 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); - for (var i = 0; i < element.childNodes.length; i++) { - var node = element.childNodes[i]; + var node = element.firstChild; + while (node) { + var nextNode = node.nextSibling; if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) - Element.remove(node); + element.removeChild(node); + node = nextNode; } + return element; }, empty: function(element) { - return $(element).innerHTML.match(/^\s*$/); + 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 x = element.x ? element.x : element.offsetLeft, - y = element.y ? element.y : element.offsetTop; - window.scrollTo(x, y); + var pos = Position.cumulativeOffset(element); + window.scrollTo(pos[0], pos[1]); + return element; }, getStyle: function(element, style) { element = $(element); - var value = element.style[style.camelize()]; + style = style == 'float' ? 'cssFloat' : 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.getPropertyValue(style) : null; - } else if (element.currentStyle) { - value = element.currentStyle[style.camelize()]; - } + 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; + }, - if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) - if (Element.getStyle(element, 'position') == 'static') value = 'auto'; + getOpacity: function(element) { + return $(element).getStyle('opacity'); + }, - return value == 'auto' ? null : value; + 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; }, - setStyle: function(element, style) { + setOpacity: function(element, value) { element = $(element); - for (name in style) - element.style[name.camelize()] = style[name]; + element.style.opacity = (value == 1 || value === '') ? '' : + (value < 0.00001) ? 0 : value; + return element; }, getDimensions: function(element) { element = $(element); - if (Element.getStyle(element, 'display') != 'none') + 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, @@ -957,12 +1626,13 @@ var els = element.style; var originalVisibility = els.visibility; var originalPosition = els.position; + var originalDisplay = els.display; els.visibility = 'hidden'; els.position = 'absolute'; - els.display = ''; + els.display = 'block'; var originalWidth = element.clientWidth; var originalHeight = element.clientHeight; - els.display = 'none'; + els.display = originalDisplay; els.position = originalPosition; els.visibility = originalVisibility; return {width: originalWidth, height: originalHeight}; @@ -981,6 +1651,7 @@ element.style.left = 0; } } + return element; }, undoPositioned: function(element) { @@ -993,27 +1664,271 @@ element.style.bottom = element.style.right = ''; } + return element; }, makeClipping: function(element) { element = $(element); - if (element._overflow) return; - element._overflow = element.style.overflow; + 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.style.overflow = element._overflow; - element._overflow = undefined; + 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, + childElements: Element.Methods.immediateDescendants }); -var Toggle = new Object(); -Toggle.display = Element.toggle; +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 = '' + html.stripScripts() + '
'; + depth = 2; + break; + case 'TR': + div.innerHTML = '' + html.stripScripts() + '
'; + depth = 3; + break; + case 'TD': + div.innerHTML = '
' + html.stripScripts() + '
'; + depth = 4; + } + $A(element.childNodes).each(function(node) { element.removeChild(node) }); + depth.times(function() { div = div.firstChild }); + $A(div.childNodes).each(function(node) { element.appendChild(node) }); + } else { + element.innerHTML = html.stripScripts(); + } + setTimeout(function() { html.evalScripts() }, 10); + return element; + } +} +else if (Prototype.Browser.Gecko) { + Element.Methods.setOpacity = function(element, value) { + element = $(element); + element.style.opacity = (value == 1) ? 0.999999 : + (value === '') ? '' : (value < 0.00001) ? 0 : value; + return element; + }; +} + +Element._attributeTranslations = { + names: { + colspan: "colSpan", + rowspan: "rowSpan", + valign: "vAlign", + datetime: "dateTime", + accesskey: "accessKey", + tabindex: "tabIndex", + enctype: "encType", + maxlength: "maxLength", + readonly: "readOnly", + longdesc: "longDesc" + }, + values: { + _getAttr: function(element, attribute) { + return element.getAttribute(attribute, 2); + }, + _flag: function(element, attribute) { + return $(element).hasAttribute(attribute) ? attribute : null; + }, + style: function(element) { + return element.style.cssText.toLowerCase(); + }, + title: function(element) { + var node = element.getAttributeNode('title'); + return node.specified ? node.nodeValue : null; + } + } +}; + +(function() { + Object.extend(this, { + href: this._getAttr, + src: this._getAttr, + 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, node; + attribute = t.names[attribute] || attribute; + node = $(element).getAttributeNode(attribute); + return node && node.specified; + } +}; + +Element.Methods.ByTag = {}; + +Object.extend(Element, Element.Methods); + +if (!Prototype.BrowserFeatures.ElementExtensions && + document.createElement('div').__proto__) { + window.HTMLElement = {}; + window.HTMLElement.prototype = document.createElement('div').__proto__; + Prototype.BrowserFeatures.ElementExtensions = true; +} + +Element.hasAttribute = function(element, attribute) { + if (element.hasAttribute) return element.hasAttribute(attribute); + return Element.Methods.Simulated.hasAttribute(element, attribute); +}; + +Element.addMethods = function(methods) { + var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; + + if (!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 = { display: Element.toggle }; + /*--------------------------------------------------------------------------*/ Abstract.Insertion = function(adjacency) { @@ -1029,7 +1944,8 @@ try { this.element.insertAdjacentHTML(this.adjacency, this.content); } catch (e) { - if (this.element.tagName.toLowerCase() == 'tbody') { + var tagName = this.element.tagName.toUpperCase(); + if (['TBODY', 'TR'].include(tagName)) { this.insertContent(this.contentFromAnonymousTable()); } else { throw e; @@ -1128,220 +2044,814 @@ add: function(classNameToAdd) { if (this.include(classNameToAdd)) return; - this.set(this.toArray().concat(classNameToAdd).join(' ')); + this.set($A(this).concat(classNameToAdd).join(' ')); }, remove: function(classNameToRemove) { if (!this.include(classNameToRemove)) return; - this.set(this.select(function(className) { - return className != classNameToRemove; - }).join(' ')); + this.set($A(this).without(classNameToRemove).join(' ')); }, toString: function() { - return this.toArray().join(' '); + return $A(this).join(' '); } -} +}; Object.extend(Element.ClassNames.prototype, Enumerable); -var Field = { - clear: function() { - for (var i = 0; i < arguments.length; i++) - $(arguments[i]).value = ''; +/* Portions of the Selector class are derived from Jack Slocum’s DomQuery, + * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style + * license. Please see http://www.yui-ext.com/ for more information. */ + +var Selector = Class.create(); + +Selector.prototype = { + initialize: function(expression) { + this.expression = expression.strip(); + this.compileMatcher(); }, - focus: function(element) { - $(element).focus(); + 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; }, - present: function() { - for (var i = 0; i < arguments.length; i++) - if ($(arguments[i]).value == '') return false; - return true; + 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; }, - select: function(element) { - $(element).select(); + findElements: function(root) { + root = root || document; + if (this.xpath) return document._getElementsByXPath(this.xpath, root); + return this.matcher(root); }, - activate: function(element) { - element = $(element); - element.focus(); - if (element.select) - element.select(); + match: function(element) { + return this.findElements(document).include(element); + }, + + toString: function() { + return this.expression; + }, + + inspect: function() { + return "#"; } -} +}; -/*--------------------------------------------------------------------------*/ +Object.extend(Selector, { + _cache: {}, -var Form = { - serialize: function(form) { - var elements = Form.getElements($(form)); - var queryComponents = new Array(); + 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; - for (var i = 0; i < elements.length; i++) { - var queryComponent = Form.Element.serialize(elements[i]); - if (queryComponent) - queryComponents.push(queryComponent); + 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 }); + } + } } + }, - return queryComponents.join('&'); + 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";' }, - getElements: function(form) { - form = $(form); - var elements = new Array(); + patterns: { + // combinators must be listed first + // (and descendant needs to be last combinator) + laterSibling: /^\s*~\s*/, + child: /^\s*>\s*/, + adjacent: /^\s*\+\s*/, + descendant: /^\s/, - for (tagName in Form.Element.Serializers) { - var tagElements = form.getElementsByTagName(tagName); - for (var j = 0; j < tagElements.length; j++) - elements.push(tagElements[j]); + // selectors follow + tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, + 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); } - return elements; }, + 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)); +} +var Form = { + reset: function(form) { + $(form).reset(); + return form; + }, + + serializeElements: function(elements, getHash) { + var data = elements.inject({}, function(result, element) { + if (!element.disabled && element.name) { + var key = element.name, value = $(element).getValue(); + if (value != null) { + if (key in result) { + if (result[key].constructor != Array) result[key] = [result[key]]; + result[key].push(value); + } + else result[key] = value; + } + } + return result; + }); + + return getHash ? data : Hash.toQueryString(data); + } +}; + +Form.Methods = { + serialize: function(form, getHash) { + return Form.serializeElements(Form.getElements(form), getHash); + }, + + getElements: function(form) { + return $A($(form).getElementsByTagName('*')).inject([], + function(elements, child) { + if (Form.Element.Serializers[child.tagName.toLowerCase()]) + elements.push(Element.extend(child)); + return elements; + } + ); + }, + getInputs: function(form, typeName, name) { form = $(form); var inputs = form.getElementsByTagName('input'); - if (!typeName && !name) - return inputs; + if (!typeName && !name) return $A(inputs).map(Element.extend); - var matchingInputs = new Array(); - for (var i = 0; i < inputs.length; i++) { + for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { var input = inputs[i]; - if ((typeName && input.type != typeName) || - (name && input.name != name)) + if ((typeName && input.type != typeName) || (name && input.name != name)) continue; - matchingInputs.push(input); + matchingInputs.push(Element.extend(input)); } return matchingInputs; }, disable: function(form) { - var elements = Form.getElements(form); - for (var i = 0; i < elements.length; i++) { - var element = elements[i]; - element.blur(); - element.disabled = 'true'; - } + form = $(form); + Form.getElements(form).invoke('disable'); + return form; }, enable: function(form) { - var elements = Form.getElements(form); - for (var i = 0; i < elements.length; i++) { - var element = elements[i]; - element.disabled = ''; - } + form = $(form); + Form.getElements(form).invoke('enable'); + return form; }, findFirstElement: function(form) { - return Form.getElements(form).find(function(element) { + return $(form).getElements().find(function(element) { return element.type != 'hidden' && !element.disabled && ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); }); }, focusFirstElement: function(form) { - Field.activate(Form.findFirstElement(form)); + form = $(form); + form.findFirstElement().activate(); + return form; }, - reset: function(form) { - $(form).reset(); + 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); } } +/*--------------------------------------------------------------------------*/ + Form.Element = { + focus: function(element) { + $(element).focus(); + return element; + }, + + select: function(element) { + $(element).select(); + return element; + } +} + +Form.Element.Methods = { serialize: function(element) { element = $(element); + if (!element.disabled && element.name) { + var value = element.getValue(); + if (value != undefined) { + var pair = {}; + pair[element.name] = value; + return Hash.toQueryString(pair); + } + } + return ''; + }, + + getValue: function(element) { + element = $(element); var method = element.tagName.toLowerCase(); - var parameter = Form.Element.Serializers[method](element); + return Form.Element.Serializers[method](element); + }, - if (parameter) { - var key = encodeURIComponent(parameter[0]); - if (key.length == 0) return; + clear: function(element) { + $(element).value = ''; + return element; + }, - if (parameter[1].constructor != Array) - parameter[1] = [parameter[1]]; + present: function(element) { + return $(element).value != ''; + }, - return parameter[1].map(function(value) { - return key + '=' + encodeURIComponent(value); - }).join('&'); - } + 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; }, - getValue: function(element) { + disable: function(element) { element = $(element); - var method = element.tagName.toLowerCase(); - var parameter = Form.Element.Serializers[method](element); + element.blur(); + element.disabled = true; + return element; + }, - if (parameter) - return parameter[1]; + enable: function(element) { + element = $(element); + element.disabled = false; + return element; } } +/*--------------------------------------------------------------------------*/ + +var Field = Form.Element; +var $F = Form.Element.Methods.getValue; + +/*--------------------------------------------------------------------------*/ + Form.Element.Serializers = { input: function(element) { switch (element.type.toLowerCase()) { - case 'submit': - case 'hidden': - case 'password': - case 'text': - return Form.Element.Serializers.textarea(element); case 'checkbox': case 'radio': return Form.Element.Serializers.inputSelector(element); + default: + return Form.Element.Serializers.textarea(element); } - return false; }, inputSelector: function(element) { - if (element.checked) - return [element.name, element.value]; + return element.checked ? element.value : null; }, textarea: function(element) { - return [element.name, element.value]; + return element.value; }, select: function(element) { - return Form.Element.Serializers[element.type == 'select-one' ? + return this[element.type == 'select-one' ? 'selectOne' : 'selectMany'](element); }, selectOne: function(element) { - var value = '', opt, index = element.selectedIndex; - if (index >= 0) { - opt = element.options[index]; - value = opt.value; - if (!value && !('value' in opt)) - value = opt.text; - } - return [element.name, value]; + var index = element.selectedIndex; + return index >= 0 ? this.optionValue(element.options[index]) : null; }, selectMany: function(element) { - var value = new Array(); - for (var i = 0; i < element.length; i++) { + 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) { - var optValue = opt.value; - if (!optValue && !('value' in opt)) - optValue = opt.text; - value.push(optValue); - } + if (opt.selected) values.push(this.optionValue(opt)); } - return [element.name, value]; + return values; + }, + + optionValue: function(opt) { + // extend element because hasAttribute may not be native + return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; } } /*--------------------------------------------------------------------------*/ -var $F = Form.Element.getValue; - -/*--------------------------------------------------------------------------*/ - Abstract.TimedObserver = function() {} Abstract.TimedObserver.prototype = { initialize: function(element, frequency, callback) { @@ -1359,7 +2869,9 @@ onTimerEvent: function() { var value = this.getValue(); - if (this.lastValue != value) { + 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; } @@ -1404,9 +2916,7 @@ }, registerFormCallbacks: function() { - var elements = Form.getElements(this.element); - for (var i = 0; i < elements.length; i++) - this.registerCallback(elements[i]); + Form.getElements(this.element).each(this.registerCallback.bind(this)); }, registerCallback: function(element) { @@ -1416,11 +2926,7 @@ case 'radio': Event.observe(element, 'click', this.onElementEvent.bind(this)); break; - case 'password': - case 'text': - case 'textarea': - case 'select-one': - case 'select-multiple': + default: Event.observe(element, 'change', this.onElementEvent.bind(this)); break; } @@ -1455,9 +2961,13 @@ 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; + return $(event.target || event.srcElement); }, isLeftClick: function(event) { @@ -1510,7 +3020,7 @@ unloadCache: function() { if (!Event.observers) return; - for (var i = 0; i < Event.observers.length; i++) { + for (var i = 0, length = Event.observers.length; i < length; i++) { Event.stopObserving.apply(this, Event.observers[i]); Event.observers[i][0] = null; } @@ -1518,36 +3028,37 @@ }, observe: function(element, name, observer, useCapture) { - var element = $(element); + element = $(element); useCapture = useCapture || false; if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.attachEvent)) + (Prototype.Browser.WebKit || element.attachEvent)) name = 'keydown'; - this._observeAndCache(element, name, observer, useCapture); + Event._observeAndCache(element, name, observer, useCapture); }, stopObserving: function(element, name, observer, useCapture) { - var element = $(element); + element = $(element); useCapture = useCapture || false; if (name == 'keypress' && - (navigator.appVersion.match(/Konqueror|Safari|KHTML/) - || element.detachEvent)) + (Prototype.Browser.WebKit || element.attachEvent)) name = 'keydown'; if (element.removeEventListener) { element.removeEventListener(name, observer, useCapture); } else if (element.detachEvent) { - element.detachEvent('on' + name, observer); + try { + element.detachEvent('on' + name, observer); + } catch (e) {} } } }); /* prevent memory leaks in IE */ -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 @@ -1594,7 +3105,8 @@ valueL += element.offsetLeft || 0; element = element.offsetParent; if (element) { - p = Element.getStyle(element, 'position'); + if(element.tagName=='BODY') break; + var p = Element.getStyle(element, 'position'); if (p == 'relative' || p == 'absolute') break; } } while (element); @@ -1650,17 +3162,6 @@ element.offsetWidth; }, - clone: function(source, target) { - source = $(source); - target = $(target); - target.style.position = 'absolute'; - var offsets = this.cumulativeOffset(source); - target.style.top = offsets[1] + 'px'; - target.style.left = offsets[0] + 'px'; - target.style.width = source.offsetWidth + 'px'; - target.style.height = source.offsetHeight + 'px'; - }, - page: function(forElement) { var valueT = 0, valueL = 0; @@ -1670,15 +3171,17 @@ valueL += element.offsetLeft || 0; // Safari fix - if (element.offsetParent==document.body) + if (element.offsetParent == document.body) if (Element.getStyle(element,'position')=='absolute') break; } while (element = element.offsetParent); element = forElement; do { - valueT -= element.scrollTop || 0; - valueL -= element.scrollLeft || 0; + if (!window.opera || element.tagName=='BODY') { + valueT -= element.scrollTop || 0; + valueL -= element.scrollLeft || 0; + } } while (element = element.parentNode); return [valueL, valueT]; @@ -1739,10 +3242,10 @@ 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';; + element.style.top = top + 'px'; + element.style.left = left + 'px'; + element.style.width = width + 'px'; + element.style.height = height + 'px'; }, relativize: function(element) { @@ -1764,7 +3267,7 @@ // 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)) { +if (Prototype.Browser.WebKit) { Position.cumulativeOffset = function(element) { var valueT = 0, valueL = 0; do { @@ -1778,4 +3281,6 @@ return [valueL, valueT]; } -} \ No newline at end of file +} + +Element.addMethods(); \ No newline at end of file