--- /dev/null
+/* Prototype JavaScript framework, version 1.6.0.2\r
+ * (c) 2005-2008 Sam Stephenson\r
+ *\r
+ * Prototype is freely distributable under the terms of an MIT-style license.\r
+ * For details, see the Prototype web site: http://www.prototypejs.org/\r
+ *\r
+ *--------------------------------------------------------------------------*/\r
+\r
+var Prototype = {\r
+ Version: '1.6.0.2',\r
+\r
+ Browser: {\r
+ IE: !!(window.attachEvent && !window.opera),\r
+ Opera: !!window.opera,\r
+ WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,\r
+ Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,\r
+ MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)\r
+ },\r
+\r
+ BrowserFeatures: {\r
+ XPath: !!document.evaluate,\r
+ ElementExtensions: !!window.HTMLElement,\r
+ SpecificElementExtensions:\r
+ document.createElement('div').__proto__ &&\r
+ document.createElement('div').__proto__ !==\r
+ document.createElement('form').__proto__\r
+ },\r
+\r
+ ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',\r
+ JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,\r
+\r
+ emptyFunction: function() { },\r
+ K: function(x) { return x }\r
+};\r
+\r
+if (Prototype.Browser.MobileSafari)\r
+ Prototype.BrowserFeatures.SpecificElementExtensions = false;\r
+\r
+\r
+/* Based on Alex Arnell's inheritance implementation. */\r
+var Class = {\r
+ create: function() {\r
+ var parent = null, properties = $A(arguments);\r
+ if (Object.isFunction(properties[0]))\r
+ parent = properties.shift();\r
+\r
+ function klass() {\r
+ this.initialize.apply(this, arguments);\r
+ }\r
+\r
+ Object.extend(klass, Class.Methods);\r
+ klass.superclass = parent;\r
+ klass.subclasses = [];\r
+\r
+ if (parent) {\r
+ var subclass = function() { };\r
+ subclass.prototype = parent.prototype;\r
+ klass.prototype = new subclass;\r
+ parent.subclasses.push(klass);\r
+ }\r
+\r
+ for (var i = 0; i < properties.length; i++)\r
+ klass.addMethods(properties[i]);\r
+\r
+ if (!klass.prototype.initialize)\r
+ klass.prototype.initialize = Prototype.emptyFunction;\r
+\r
+ klass.prototype.constructor = klass;\r
+\r
+ return klass;\r
+ }\r
+};\r
+\r
+Class.Methods = {\r
+ addMethods: function(source) {\r
+ var ancestor = this.superclass && this.superclass.prototype;\r
+ var properties = Object.keys(source);\r
+\r
+ if (!Object.keys({ toString: true }).length)\r
+ properties.push("toString", "valueOf");\r
+\r
+ for (var i = 0, length = properties.length; i < length; i++) {\r
+ var property = properties[i], value = source[property];\r
+ if (ancestor && Object.isFunction(value) &&\r
+ value.argumentNames().first() == "$super") {\r
+ var method = value, value = Object.extend((function(m) {\r
+ return function() { return ancestor[m].apply(this, arguments) };\r
+ })(property).wrap(method), {\r
+ valueOf: function() { return method },\r
+ toString: function() { return method.toString() }\r
+ });\r
+ }\r
+ this.prototype[property] = value;\r
+ }\r
+\r
+ return this;\r
+ }\r
+};\r
+\r
+var Abstract = { };\r
+\r
+Object.extend = function(destination, source) {\r
+ for (var property in source)\r
+ destination[property] = source[property];\r
+ return destination;\r
+};\r
+\r
+Object.extend(Object, {\r
+ inspect: function(object) {\r
+ try {\r
+ if (Object.isUndefined(object)) return 'undefined';\r
+ if (object === null) return 'null';\r
+ return object.inspect ? object.inspect() : String(object);\r
+ } catch (e) {\r
+ if (e instanceof RangeError) return '...';\r
+ throw e;\r
+ }\r
+ },\r
+\r
+ toJSON: function(object) {\r
+ var type = typeof object;\r
+ switch (type) {\r
+ case 'undefined':\r
+ case 'function':\r
+ case 'unknown': return;\r
+ case 'boolean': return object.toString();\r
+ }\r
+\r
+ if (object === null) return 'null';\r
+ if (object.toJSON) return object.toJSON();\r
+ if (Object.isElement(object)) return;\r
+\r
+ var results = [];\r
+ for (var property in object) {\r
+ var value = Object.toJSON(object[property]);\r
+ if (!Object.isUndefined(value))\r
+ results.push(property.toJSON() + ': ' + value);\r
+ }\r
+\r
+ return '{' + results.join(', ') + '}';\r
+ },\r
+\r
+ toQueryString: function(object) {\r
+ return $H(object).toQueryString();\r
+ },\r
+\r
+ toHTML: function(object) {\r
+ return object && object.toHTML ? object.toHTML() : String.interpret(object);\r
+ },\r
+\r
+ keys: function(object) {\r
+ var keys = [];\r
+ for (var property in object)\r
+ keys.push(property);\r
+ return keys;\r
+ },\r
+\r
+ values: function(object) {\r
+ var values = [];\r
+ for (var property in object)\r
+ values.push(object[property]);\r
+ return values;\r
+ },\r
+\r
+ clone: function(object) {\r
+ return Object.extend({ }, object);\r
+ },\r
+\r
+ isElement: function(object) {\r
+ return object && object.nodeType == 1;\r
+ },\r
+\r
+ isArray: function(object) {\r
+ return object != null && typeof object == "object" &&\r
+ 'splice' in object && 'join' in object;\r
+ },\r
+\r
+ isHash: function(object) {\r
+ return object instanceof Hash;\r
+ },\r
+\r
+ isFunction: function(object) {\r
+ return typeof object == "function";\r
+ },\r
+\r
+ isString: function(object) {\r
+ return typeof object == "string";\r
+ },\r
+\r
+ isNumber: function(object) {\r
+ return typeof object == "number";\r
+ },\r
+\r
+ isUndefined: function(object) {\r
+ return typeof object == "undefined";\r
+ }\r
+});\r
+\r
+Object.extend(Function.prototype, {\r
+ argumentNames: function() {\r
+ var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");\r
+ return names.length == 1 && !names[0] ? [] : names;\r
+ },\r
+\r
+ bind: function() {\r
+ if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;\r
+ var __method = this, args = $A(arguments), object = args.shift();\r
+ return function() {\r
+ return __method.apply(object, args.concat($A(arguments)));\r
+ }\r
+ },\r
+\r
+ bindAsEventListener: function() {\r
+ var __method = this, args = $A(arguments), object = args.shift();\r
+ return function(event) {\r
+ return __method.apply(object, [event || window.event].concat(args));\r
+ }\r
+ },\r
+\r
+ curry: function() {\r
+ if (!arguments.length) return this;\r
+ var __method = this, args = $A(arguments);\r
+ return function() {\r
+ return __method.apply(this, args.concat($A(arguments)));\r
+ }\r
+ },\r
+\r
+ delay: function() {\r
+ var __method = this, args = $A(arguments), timeout = args.shift() * 1000;\r
+ return window.setTimeout(function() {\r
+ return __method.apply(__method, args);\r
+ }, timeout);\r
+ },\r
+\r
+ wrap: function(wrapper) {\r
+ var __method = this;\r
+ return function() {\r
+ return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));\r
+ }\r
+ },\r
+\r
+ methodize: function() {\r
+ if (this._methodized) return this._methodized;\r
+ var __method = this;\r
+ return this._methodized = function() {\r
+ return __method.apply(null, [this].concat($A(arguments)));\r
+ };\r
+ }\r
+});\r
+\r
+Function.prototype.defer = Function.prototype.delay.curry(0.01);\r
+\r
+Date.prototype.toJSON = function() {\r
+ return '"' + this.getUTCFullYear() + '-' +\r
+ (this.getUTCMonth() + 1).toPaddedString(2) + '-' +\r
+ this.getUTCDate().toPaddedString(2) + 'T' +\r
+ this.getUTCHours().toPaddedString(2) + ':' +\r
+ this.getUTCMinutes().toPaddedString(2) + ':' +\r
+ this.getUTCSeconds().toPaddedString(2) + 'Z"';\r
+};\r
+\r
+var Try = {\r
+ these: function() {\r
+ var returnValue;\r
+\r
+ for (var i = 0, length = arguments.length; i < length; i++) {\r
+ var lambda = arguments[i];\r
+ try {\r
+ returnValue = lambda();\r
+ break;\r
+ } catch (e) { }\r
+ }\r
+\r
+ return returnValue;\r
+ }\r
+};\r
+\r
+RegExp.prototype.match = RegExp.prototype.test;\r
+\r
+RegExp.escape = function(str) {\r
+ return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');\r
+};\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+var PeriodicalExecuter = Class.create({\r
+ initialize: function(callback, frequency) {\r
+ this.callback = callback;\r
+ this.frequency = frequency;\r
+ this.currentlyExecuting = false;\r
+\r
+ this.registerCallback();\r
+ },\r
+\r
+ registerCallback: function() {\r
+ this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);\r
+ },\r
+\r
+ execute: function() {\r
+ this.callback(this);\r
+ },\r
+\r
+ stop: function() {\r
+ if (!this.timer) return;\r
+ clearInterval(this.timer);\r
+ this.timer = null;\r
+ },\r
+\r
+ onTimerEvent: function() {\r
+ if (!this.currentlyExecuting) {\r
+ try {\r
+ this.currentlyExecuting = true;\r
+ this.execute();\r
+ } finally {\r
+ this.currentlyExecuting = false;\r
+ }\r
+ }\r
+ }\r
+});\r
+Object.extend(String, {\r
+ interpret: function(value) {\r
+ return value == null ? '' : String(value);\r
+ },\r
+ specialChar: {\r
+ '\b': '\\b',\r
+ '\t': '\\t',\r
+ '\n': '\\n',\r
+ '\f': '\\f',\r
+ '\r': '\\r',\r
+ '\\': '\\\\'\r
+ }\r
+});\r
+\r
+Object.extend(String.prototype, {\r
+ gsub: function(pattern, replacement) {\r
+ var result = '', source = this, match;\r
+ replacement = arguments.callee.prepareReplacement(replacement);\r
+\r
+ while (source.length > 0) {\r
+ if (match = source.match(pattern)) {\r
+ result += source.slice(0, match.index);\r
+ result += String.interpret(replacement(match));\r
+ source = source.slice(match.index + match[0].length);\r
+ } else {\r
+ result += source, source = '';\r
+ }\r
+ }\r
+ return result;\r
+ },\r
+\r
+ sub: function(pattern, replacement, count) {\r
+ replacement = this.gsub.prepareReplacement(replacement);\r
+ count = Object.isUndefined(count) ? 1 : count;\r
+\r
+ return this.gsub(pattern, function(match) {\r
+ if (--count < 0) return match[0];\r
+ return replacement(match);\r
+ });\r
+ },\r
+\r
+ scan: function(pattern, iterator) {\r
+ this.gsub(pattern, iterator);\r
+ return String(this);\r
+ },\r
+\r
+ truncate: function(length, truncation) {\r
+ length = length || 30;\r
+ truncation = Object.isUndefined(truncation) ? '...' : truncation;\r
+ return this.length > length ?\r
+ this.slice(0, length - truncation.length) + truncation : String(this);\r
+ },\r
+\r
+ strip: function() {\r
+ return this.replace(/^\s+/, '').replace(/\s+$/, '');\r
+ },\r
+\r
+ stripTags: function() {\r
+ return this.replace(/<\/?[^>]+>/gi, '');\r
+ },\r
+\r
+ stripScripts: function() {\r
+ return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');\r
+ },\r
+\r
+ extractScripts: function() {\r
+ var matchAll = new RegExp(Prototype.ScriptFragment, 'img');\r
+ var matchOne = new RegExp(Prototype.ScriptFragment, 'im');\r
+ return (this.match(matchAll) || []).map(function(scriptTag) {\r
+ return (scriptTag.match(matchOne) || ['', ''])[1];\r
+ });\r
+ },\r
+\r
+ evalScripts: function() {\r
+ return this.extractScripts().map(function(script) { return eval(script) });\r
+ },\r
+\r
+ escapeHTML: function() {\r
+ var self = arguments.callee;\r
+ self.text.data = this;\r
+ return self.div.innerHTML;\r
+ },\r
+\r
+ unescapeHTML: function() {\r
+ var div = new Element('div');\r
+ div.innerHTML = this.stripTags();\r
+ return div.childNodes[0] ? (div.childNodes.length > 1 ?\r
+ $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :\r
+ div.childNodes[0].nodeValue) : '';\r
+ },\r
+\r
+ toQueryParams: function(separator) {\r
+ var match = this.strip().match(/([^?#]*)(#.*)?$/);\r
+ if (!match) return { };\r
+\r
+ return match[1].split(separator || '&').inject({ }, function(hash, pair) {\r
+ if ((pair = pair.split('='))[0]) {\r
+ var key = decodeURIComponent(pair.shift());\r
+ var value = pair.length > 1 ? pair.join('=') : pair[0];\r
+ if (value != undefined) value = decodeURIComponent(value);\r
+\r
+ if (key in hash) {\r
+ if (!Object.isArray(hash[key])) hash[key] = [hash[key]];\r
+ hash[key].push(value);\r
+ }\r
+ else hash[key] = value;\r
+ }\r
+ return hash;\r
+ });\r
+ },\r
+\r
+ toArray: function() {\r
+ return this.split('');\r
+ },\r
+\r
+ succ: function() {\r
+ return this.slice(0, this.length - 1) +\r
+ String.fromCharCode(this.charCodeAt(this.length - 1) + 1);\r
+ },\r
+\r
+ times: function(count) {\r
+ return count < 1 ? '' : new Array(count + 1).join(this);\r
+ },\r
+\r
+ camelize: function() {\r
+ var parts = this.split('-'), len = parts.length;\r
+ if (len == 1) return parts[0];\r
+\r
+ var camelized = this.charAt(0) == '-'\r
+ ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)\r
+ : parts[0];\r
+\r
+ for (var i = 1; i < len; i++)\r
+ camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);\r
+\r
+ return camelized;\r
+ },\r
+\r
+ capitalize: function() {\r
+ return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();\r
+ },\r
+\r
+ underscore: function() {\r
+ return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();\r
+ },\r
+\r
+ dasherize: function() {\r
+ return this.gsub(/_/,'-');\r
+ },\r
+\r
+ inspect: function(useDoubleQuotes) {\r
+ var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {\r
+ var character = String.specialChar[match[0]];\r
+ return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);\r
+ });\r
+ if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';\r
+ return "'" + escapedString.replace(/'/g, '\\\'') + "'";\r
+ },\r
+\r
+ toJSON: function() {\r
+ return this.inspect(true);\r
+ },\r
+\r
+ unfilterJSON: function(filter) {\r
+ return this.sub(filter || Prototype.JSONFilter, '#{1}');\r
+ },\r
+\r
+ isJSON: function() {\r
+ var str = this;\r
+ if (str.blank()) return false;\r
+ str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');\r
+ return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);\r
+ },\r
+\r
+ evalJSON: function(sanitize) {\r
+ var json = this.unfilterJSON();\r
+ try {\r
+ if (!sanitize || json.isJSON()) return eval('(' + json + ')');\r
+ } catch (e) { }\r
+ throw new SyntaxError('Badly formed JSON string: ' + this.inspect());\r
+ },\r
+\r
+ include: function(pattern) {\r
+ return this.indexOf(pattern) > -1;\r
+ },\r
+\r
+ startsWith: function(pattern) {\r
+ return this.indexOf(pattern) === 0;\r
+ },\r
+\r
+ endsWith: function(pattern) {\r
+ var d = this.length - pattern.length;\r
+ return d >= 0 && this.lastIndexOf(pattern) === d;\r
+ },\r
+\r
+ empty: function() {\r
+ return this == '';\r
+ },\r
+\r
+ blank: function() {\r
+ return /^\s*$/.test(this);\r
+ },\r
+\r
+ interpolate: function(object, pattern) {\r
+ return new Template(this, pattern).evaluate(object);\r
+ }\r
+});\r
+\r
+if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {\r
+ escapeHTML: function() {\r
+ return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');\r
+ },\r
+ unescapeHTML: function() {\r
+ return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');\r
+ }\r
+});\r
+\r
+String.prototype.gsub.prepareReplacement = function(replacement) {\r
+ if (Object.isFunction(replacement)) return replacement;\r
+ var template = new Template(replacement);\r
+ return function(match) { return template.evaluate(match) };\r
+};\r
+\r
+String.prototype.parseQuery = String.prototype.toQueryParams;\r
+\r
+Object.extend(String.prototype.escapeHTML, {\r
+ div: document.createElement('div'),\r
+ text: document.createTextNode('')\r
+});\r
+\r
+with (String.prototype.escapeHTML) div.appendChild(text);\r
+\r
+var Template = Class.create({\r
+ initialize: function(template, pattern) {\r
+ this.template = template.toString();\r
+ this.pattern = pattern || Template.Pattern;\r
+ },\r
+\r
+ evaluate: function(object) {\r
+ if (Object.isFunction(object.toTemplateReplacements))\r
+ object = object.toTemplateReplacements();\r
+\r
+ return this.template.gsub(this.pattern, function(match) {\r
+ if (object == null) return '';\r
+\r
+ var before = match[1] || '';\r
+ if (before == '\\') return match[2];\r
+\r
+ var ctx = object, expr = match[3];\r
+ var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;\r
+ match = pattern.exec(expr);\r
+ if (match == null) return before;\r
+\r
+ while (match != null) {\r
+ var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];\r
+ ctx = ctx[comp];\r
+ if (null == ctx || '' == match[3]) break;\r
+ expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);\r
+ match = pattern.exec(expr);\r
+ }\r
+\r
+ return before + String.interpret(ctx);\r
+ });\r
+ }\r
+});\r
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;\r
+\r
+var $break = { };\r
+\r
+var Enumerable = {\r
+ each: function(iterator, context) {\r
+ var index = 0;\r
+ iterator = iterator.bind(context);\r
+ try {\r
+ this._each(function(value) {\r
+ iterator(value, index++);\r
+ });\r
+ } catch (e) {\r
+ if (e != $break) throw e;\r
+ }\r
+ return this;\r
+ },\r
+\r
+ eachSlice: function(number, iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var index = -number, slices = [], array = this.toArray();\r
+ while ((index += number) < array.length)\r
+ slices.push(array.slice(index, index+number));\r
+ return slices.collect(iterator, context);\r
+ },\r
+\r
+ all: function(iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var result = true;\r
+ this.each(function(value, index) {\r
+ result = result && !!iterator(value, index);\r
+ if (!result) throw $break;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ any: function(iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var result = false;\r
+ this.each(function(value, index) {\r
+ if (result = !!iterator(value, index))\r
+ throw $break;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ collect: function(iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ results.push(iterator(value, index));\r
+ });\r
+ return results;\r
+ },\r
+\r
+ detect: function(iterator, context) {\r
+ iterator = iterator.bind(context);\r
+ var result;\r
+ this.each(function(value, index) {\r
+ if (iterator(value, index)) {\r
+ result = value;\r
+ throw $break;\r
+ }\r
+ });\r
+ return result;\r
+ },\r
+\r
+ findAll: function(iterator, context) {\r
+ iterator = iterator.bind(context);\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ if (iterator(value, index))\r
+ results.push(value);\r
+ });\r
+ return results;\r
+ },\r
+\r
+ grep: function(filter, iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var results = [];\r
+\r
+ if (Object.isString(filter))\r
+ filter = new RegExp(filter);\r
+\r
+ this.each(function(value, index) {\r
+ if (filter.match(value))\r
+ results.push(iterator(value, index));\r
+ });\r
+ return results;\r
+ },\r
+\r
+ include: function(object) {\r
+ if (Object.isFunction(this.indexOf))\r
+ if (this.indexOf(object) != -1) return true;\r
+\r
+ var found = false;\r
+ this.each(function(value) {\r
+ if (value == object) {\r
+ found = true;\r
+ throw $break;\r
+ }\r
+ });\r
+ return found;\r
+ },\r
+\r
+ inGroupsOf: function(number, fillWith) {\r
+ fillWith = Object.isUndefined(fillWith) ? null : fillWith;\r
+ return this.eachSlice(number, function(slice) {\r
+ while(slice.length < number) slice.push(fillWith);\r
+ return slice;\r
+ });\r
+ },\r
+\r
+ inject: function(memo, iterator, context) {\r
+ iterator = iterator.bind(context);\r
+ this.each(function(value, index) {\r
+ memo = iterator(memo, value, index);\r
+ });\r
+ return memo;\r
+ },\r
+\r
+ invoke: function(method) {\r
+ var args = $A(arguments).slice(1);\r
+ return this.map(function(value) {\r
+ return value[method].apply(value, args);\r
+ });\r
+ },\r
+\r
+ max: function(iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var result;\r
+ this.each(function(value, index) {\r
+ value = iterator(value, index);\r
+ if (result == null || value >= result)\r
+ result = value;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ min: function(iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var result;\r
+ this.each(function(value, index) {\r
+ value = iterator(value, index);\r
+ if (result == null || value < result)\r
+ result = value;\r
+ });\r
+ return result;\r
+ },\r
+\r
+ partition: function(iterator, context) {\r
+ iterator = iterator ? iterator.bind(context) : Prototype.K;\r
+ var trues = [], falses = [];\r
+ this.each(function(value, index) {\r
+ (iterator(value, index) ?\r
+ trues : falses).push(value);\r
+ });\r
+ return [trues, falses];\r
+ },\r
+\r
+ pluck: function(property) {\r
+ var results = [];\r
+ this.each(function(value) {\r
+ results.push(value[property]);\r
+ });\r
+ return results;\r
+ },\r
+\r
+ reject: function(iterator, context) {\r
+ iterator = iterator.bind(context);\r
+ var results = [];\r
+ this.each(function(value, index) {\r
+ if (!iterator(value, index))\r
+ results.push(value);\r
+ });\r
+ return results;\r
+ },\r
+\r
+ sortBy: function(iterator, context) {\r
+ iterator = iterator.bind(context);\r
+ return this.map(function(value, index) {\r
+ return {value: value, criteria: iterator(value, index)};\r
+ }).sort(function(left, right) {\r
+ var a = left.criteria, b = right.criteria;\r
+ return a < b ? -1 : a > b ? 1 : 0;\r
+ }).pluck('value');\r
+ },\r
+\r
+ toArray: function() {\r
+ return this.map();\r
+ },\r
+\r
+ zip: function() {\r
+ var iterator = Prototype.K, args = $A(arguments);\r
+ if (Object.isFunction(args.last()))\r
+ iterator = args.pop();\r
+\r
+ var collections = [this].concat(args).map($A);\r
+ return this.map(function(value, index) {\r
+ return iterator(collections.pluck(index));\r
+ });\r
+ },\r
+\r
+ size: function() {\r
+ return this.toArray().length;\r
+ },\r
+\r
+ inspect: function() {\r
+ return '#<Enumerable:' + this.toArray().inspect() + '>';\r
+ }\r
+};\r
+\r
+Object.extend(Enumerable, {\r
+ map: Enumerable.collect,\r
+ find: Enumerable.detect,\r
+ select: Enumerable.findAll,\r
+ filter: Enumerable.findAll,\r
+ member: Enumerable.include,\r
+ entries: Enumerable.toArray,\r
+ every: Enumerable.all,\r
+ some: Enumerable.any\r
+});\r
+function $A(iterable) {\r
+ if (!iterable) return [];\r
+ if (iterable.toArray) return iterable.toArray();\r
+ var length = iterable.length || 0, results = new Array(length);\r
+ while (length--) results[length] = iterable[length];\r
+ return results;\r
+}\r
+\r
+if (Prototype.Browser.WebKit) {\r
+ $A = function(iterable) {\r
+ if (!iterable) return [];\r
+ if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&\r
+ iterable.toArray) return iterable.toArray();\r
+ var length = iterable.length || 0, results = new Array(length);\r
+ while (length--) results[length] = iterable[length];\r
+ return results;\r
+ };\r
+}\r
+\r
+Array.from = $A;\r
+\r
+Object.extend(Array.prototype, Enumerable);\r
+\r
+if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;\r
+\r
+Object.extend(Array.prototype, {\r
+ _each: function(iterator) {\r
+ for (var i = 0, length = this.length; i < length; i++)\r
+ iterator(this[i]);\r
+ },\r
+\r
+ clear: function() {\r
+ this.length = 0;\r
+ return this;\r
+ },\r
+\r
+ first: function() {\r
+ return this[0];\r
+ },\r
+\r
+ last: function() {\r
+ return this[this.length - 1];\r
+ },\r
+\r
+ compact: function() {\r
+ return this.select(function(value) {\r
+ return value != null;\r
+ });\r
+ },\r
+\r
+ flatten: function() {\r
+ return this.inject([], function(array, value) {\r
+ return array.concat(Object.isArray(value) ?\r
+ value.flatten() : [value]);\r
+ });\r
+ },\r
+\r
+ without: function() {\r
+ var values = $A(arguments);\r
+ return this.select(function(value) {\r
+ return !values.include(value);\r
+ });\r
+ },\r
+\r
+ reverse: function(inline) {\r
+ return (inline !== false ? this : this.toArray())._reverse();\r
+ },\r
+\r
+ reduce: function() {\r
+ return this.length > 1 ? this : this[0];\r
+ },\r
+\r
+ uniq: function(sorted) {\r
+ return this.inject([], function(array, value, index) {\r
+ if (0 == index || (sorted ? array.last() != value : !array.include(value)))\r
+ array.push(value);\r
+ return array;\r
+ });\r
+ },\r
+\r
+ intersect: function(array) {\r
+ return this.uniq().findAll(function(item) {\r
+ return array.detect(function(value) { return item === value });\r
+ });\r
+ },\r
+\r
+ clone: function() {\r
+ return [].concat(this);\r
+ },\r
+\r
+ size: function() {\r
+ return this.length;\r
+ },\r
+\r
+ inspect: function() {\r
+ return '[' + this.map(Object.inspect).join(', ') + ']';\r
+ },\r
+\r
+ toJSON: function() {\r
+ var results = [];\r
+ this.each(function(object) {\r
+ var value = Object.toJSON(object);\r
+ if (!Object.isUndefined(value)) results.push(value);\r
+ });\r
+ return '[' + results.join(', ') + ']';\r
+ }\r
+});\r
+\r
+// use native browser JS 1.6 implementation if available\r
+if (Object.isFunction(Array.prototype.forEach))\r
+ Array.prototype._each = Array.prototype.forEach;\r
+\r
+if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {\r
+ i || (i = 0);\r
+ var length = this.length;\r
+ if (i < 0) i = length + i;\r
+ for (; i < length; i++)\r
+ if (this[i] === item) return i;\r
+ return -1;\r
+};\r
+\r
+if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {\r
+ i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;\r
+ var n = this.slice(0, i).reverse().indexOf(item);\r
+ return (n < 0) ? n : i - n - 1;\r
+};\r
+\r
+Array.prototype.toArray = Array.prototype.clone;\r
+\r
+function $w(string) {\r
+ if (!Object.isString(string)) return [];\r
+ string = string.strip();\r
+ return string ? string.split(/\s+/) : [];\r
+}\r
+\r
+if (Prototype.Browser.Opera){\r
+ Array.prototype.concat = function() {\r
+ var array = [];\r
+ for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);\r
+ for (var i = 0, length = arguments.length; i < length; i++) {\r
+ if (Object.isArray(arguments[i])) {\r
+ for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)\r
+ array.push(arguments[i][j]);\r
+ } else {\r
+ array.push(arguments[i]);\r
+ }\r
+ }\r
+ return array;\r
+ };\r
+}\r
+Object.extend(Number.prototype, {\r
+ toColorPart: function() {\r
+ return this.toPaddedString(2, 16);\r
+ },\r
+\r
+ succ: function() {\r
+ return this + 1;\r
+ },\r
+\r
+ times: function(iterator) {\r
+ $R(0, this, true).each(iterator);\r
+ return this;\r
+ },\r
+\r
+ toPaddedString: function(length, radix) {\r
+ var string = this.toString(radix || 10);\r
+ return '0'.times(length - string.length) + string;\r
+ },\r
+\r
+ toJSON: function() {\r
+ return isFinite(this) ? this.toString() : 'null';\r
+ }\r
+});\r
+\r
+$w('abs round ceil floor').each(function(method){\r
+ Number.prototype[method] = Math[method].methodize();\r
+});\r
+function $H(object) {\r
+ return new Hash(object);\r
+};\r
+\r
+var Hash = Class.create(Enumerable, (function() {\r
+\r
+ function toQueryPair(key, value) {\r
+ if (Object.isUndefined(value)) return key;\r
+ return key + '=' + encodeURIComponent(String.interpret(value));\r
+ }\r
+\r
+ return {\r
+ initialize: function(object) {\r
+ this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);\r
+ },\r
+\r
+ _each: function(iterator) {\r
+ for (var key in this._object) {\r
+ var value = this._object[key], pair = [key, value];\r
+ pair.key = key;\r
+ pair.value = value;\r
+ iterator(pair);\r
+ }\r
+ },\r
+\r
+ set: function(key, value) {\r
+ return this._object[key] = value;\r
+ },\r
+\r
+ get: function(key) {\r
+ return this._object[key];\r
+ },\r
+\r
+ unset: function(key) {\r
+ var value = this._object[key];\r
+ delete this._object[key];\r
+ return value;\r
+ },\r
+\r
+ toObject: function() {\r
+ return Object.clone(this._object);\r
+ },\r
+\r
+ keys: function() {\r
+ return this.pluck('key');\r
+ },\r
+\r
+ values: function() {\r
+ return this.pluck('value');\r
+ },\r
+\r
+ index: function(value) {\r
+ var match = this.detect(function(pair) {\r
+ return pair.value === value;\r
+ });\r
+ return match && match.key;\r
+ },\r
+\r
+ merge: function(object) {\r
+ return this.clone().update(object);\r
+ },\r
+\r
+ update: function(object) {\r
+ return new Hash(object).inject(this, function(result, pair) {\r
+ result.set(pair.key, pair.value);\r
+ return result;\r
+ });\r
+ },\r
+\r
+ toQueryString: function() {\r
+ return this.map(function(pair) {\r
+ var key = encodeURIComponent(pair.key), values = pair.value;\r
+\r
+ if (values && typeof values == 'object') {\r
+ if (Object.isArray(values))\r
+ return values.map(toQueryPair.curry(key)).join('&');\r
+ }\r
+ return toQueryPair(key, values);\r
+ }).join('&');\r
+ },\r
+\r
+ inspect: function() {\r
+ return '#<Hash:{' + this.map(function(pair) {\r
+ return pair.map(Object.inspect).join(': ');\r
+ }).join(', ') + '}>';\r
+ },\r
+\r
+ toJSON: function() {\r
+ return Object.toJSON(this.toObject());\r
+ },\r
+\r
+ clone: function() {\r
+ return new Hash(this);\r
+ }\r
+ }\r
+})());\r
+\r
+Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;\r
+Hash.from = $H;\r
+var ObjectRange = Class.create(Enumerable, {\r
+ initialize: function(start, end, exclusive) {\r
+ this.start = start;\r
+ this.end = end;\r
+ this.exclusive = exclusive;\r
+ },\r
+\r
+ _each: function(iterator) {\r
+ var value = this.start;\r
+ while (this.include(value)) {\r
+ iterator(value);\r
+ value = value.succ();\r
+ }\r
+ },\r
+\r
+ include: function(value) {\r
+ if (value < this.start)\r
+ return false;\r
+ if (this.exclusive)\r
+ return value < this.end;\r
+ return value <= this.end;\r
+ }\r
+});\r
+\r
+var $R = function(start, end, exclusive) {\r
+ return new ObjectRange(start, end, exclusive);\r
+};\r
+\r
+var Ajax = {\r
+ getTransport: function() {\r
+ return Try.these(\r
+ function() {return new XMLHttpRequest()},\r
+ function() {return new ActiveXObject('Msxml2.XMLHTTP')},\r
+ function() {return new ActiveXObject('Microsoft.XMLHTTP')}\r
+ ) || false;\r
+ },\r
+\r
+ activeRequestCount: 0\r
+};\r
+\r
+Ajax.Responders = {\r
+ responders: [],\r
+\r
+ _each: function(iterator) {\r
+ this.responders._each(iterator);\r
+ },\r
+\r
+ register: function(responder) {\r
+ if (!this.include(responder))\r
+ this.responders.push(responder);\r
+ },\r
+\r
+ unregister: function(responder) {\r
+ this.responders = this.responders.without(responder);\r
+ },\r
+\r
+ dispatch: function(callback, request, transport, json) {\r
+ this.each(function(responder) {\r
+ if (Object.isFunction(responder[callback])) {\r
+ try {\r
+ responder[callback].apply(responder, [request, transport, json]);\r
+ } catch (e) { }\r
+ }\r
+ });\r
+ }\r
+};\r
+\r
+Object.extend(Ajax.Responders, Enumerable);\r
+\r
+Ajax.Responders.register({\r
+ onCreate: function() { Ajax.activeRequestCount++ },\r
+ onComplete: function() { Ajax.activeRequestCount-- }\r
+});\r
+\r
+Ajax.Base = Class.create({\r
+ initialize: function(options) {\r
+ this.options = {\r
+ method: 'post',\r
+ asynchronous: true,\r
+ contentType: 'application/x-www-form-urlencoded',\r
+ encoding: 'UTF-8',\r
+ parameters: '',\r
+ evalJSON: true,\r
+ evalJS: true\r
+ };\r
+ Object.extend(this.options, options || { });\r
+\r
+ this.options.method = this.options.method.toLowerCase();\r
+\r
+ if (Object.isString(this.options.parameters))\r
+ this.options.parameters = this.options.parameters.toQueryParams();\r
+ else if (Object.isHash(this.options.parameters))\r
+ this.options.parameters = this.options.parameters.toObject();\r
+ }\r
+});\r
+\r
+Ajax.Request = Class.create(Ajax.Base, {\r
+ _complete: false,\r
+\r
+ initialize: function($super, url, options) {\r
+ $super(options);\r
+ this.transport = Ajax.getTransport();\r
+ this.request(url);\r
+ },\r
+\r
+ request: function(url) {\r
+ this.url = url;\r
+ this.method = this.options.method;\r
+ var params = Object.clone(this.options.parameters);\r
+\r
+ if (!['get', 'post'].include(this.method)) {\r
+ // simulate other verbs over post\r
+ params['_method'] = this.method;\r
+ this.method = 'post';\r
+ }\r
+\r
+ this.parameters = params;\r
+\r
+ if (params = Object.toQueryString(params)) {\r
+ // when GET, append parameters to URL\r
+ if (this.method == 'get')\r
+ this.url += (this.url.include('?') ? '&' : '?') + params;\r
+ else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))\r
+ params += '&_=';\r
+ }\r
+\r
+ try {\r
+ var response = new Ajax.Response(this);\r
+ if (this.options.onCreate) this.options.onCreate(response);\r
+ Ajax.Responders.dispatch('onCreate', this, response);\r
+\r
+ this.transport.open(this.method.toUpperCase(), this.url,\r
+ this.options.asynchronous);\r
+\r
+ if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);\r
+\r
+ this.transport.onreadystatechange = this.onStateChange.bind(this);\r
+ this.setRequestHeaders();\r
+\r
+ this.body = this.method == 'post' ? (this.options.postBody || params) : null;\r
+ this.transport.send(this.body);\r
+\r
+ /* Force Firefox to handle ready state 4 for synchronous requests */\r
+ if (!this.options.asynchronous && this.transport.overrideMimeType)\r
+ this.onStateChange();\r
+\r
+ }\r
+ catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+ },\r
+\r
+ onStateChange: function() {\r
+ var readyState = this.transport.readyState;\r
+ if (readyState > 1 && !((readyState == 4) && this._complete))\r
+ this.respondToReadyState(this.transport.readyState);\r
+ },\r
+\r
+ setRequestHeaders: function() {\r
+ var headers = {\r
+ 'X-Requested-With': 'XMLHttpRequest',\r
+ 'X-Prototype-Version': Prototype.Version,\r
+ 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'\r
+ };\r
+\r
+ if (this.method == 'post') {\r
+ headers['Content-type'] = this.options.contentType +\r
+ (this.options.encoding ? '; charset=' + this.options.encoding : '');\r
+\r
+ /* Force "Connection: close" for older Mozilla browsers to work\r
+ * around a bug where XMLHttpRequest sends an incorrect\r
+ * Content-length header. See Mozilla Bugzilla #246651.\r
+ */\r
+ if (this.transport.overrideMimeType &&\r
+ (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)\r
+ headers['Connection'] = 'close';\r
+ }\r
+\r
+ // user-defined headers\r
+ if (typeof this.options.requestHeaders == 'object') {\r
+ var extras = this.options.requestHeaders;\r
+\r
+ if (Object.isFunction(extras.push))\r
+ for (var i = 0, length = extras.length; i < length; i += 2)\r
+ headers[extras[i]] = extras[i+1];\r
+ else\r
+ $H(extras).each(function(pair) { headers[pair.key] = pair.value });\r
+ }\r
+\r
+ for (var name in headers)\r
+ this.transport.setRequestHeader(name, headers[name]);\r
+ },\r
+\r
+ success: function() {\r
+ var status = this.getStatus();\r
+ return !status || (status >= 200 && status < 300);\r
+ },\r
+\r
+ getStatus: function() {\r
+ try {\r
+ return this.transport.status || 0;\r
+ } catch (e) { return 0 }\r
+ },\r
+\r
+ respondToReadyState: function(readyState) {\r
+ var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);\r
+\r
+ if (state == 'Complete') {\r
+ try {\r
+ this._complete = true;\r
+ (this.options['on' + response.status]\r
+ || this.options['on' + (this.success() ? 'Success' : 'Failure')]\r
+ || Prototype.emptyFunction)(response, response.headerJSON);\r
+ } catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+\r
+ var contentType = response.getHeader('Content-type');\r
+ if (this.options.evalJS == 'force'\r
+ || (this.options.evalJS && this.isSameOrigin() && contentType\r
+ && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))\r
+ this.evalResponse();\r
+ }\r
+\r
+ try {\r
+ (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);\r
+ Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);\r
+ } catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+\r
+ if (state == 'Complete') {\r
+ // avoid memory leak in MSIE: clean up\r
+ this.transport.onreadystatechange = Prototype.emptyFunction;\r
+ }\r
+ },\r
+\r
+ isSameOrigin: function() {\r
+ var m = this.url.match(/^\s*https?:\/\/[^\/]*/);\r
+ return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({\r
+ protocol: location.protocol,\r
+ domain: document.domain,\r
+ port: location.port ? ':' + location.port : ''\r
+ }));\r
+ },\r
+\r
+ getHeader: function(name) {\r
+ try {\r
+ return this.transport.getResponseHeader(name) || null;\r
+ } catch (e) { return null }\r
+ },\r
+\r
+ evalResponse: function() {\r
+ try {\r
+ return eval((this.transport.responseText || '').unfilterJSON());\r
+ } catch (e) {\r
+ this.dispatchException(e);\r
+ }\r
+ },\r
+\r
+ dispatchException: function(exception) {\r
+ (this.options.onException || Prototype.emptyFunction)(this, exception);\r
+ Ajax.Responders.dispatch('onException', this, exception);\r
+ }\r
+});\r
+\r
+Ajax.Request.Events =\r
+ ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];\r
+\r
+Ajax.Response = Class.create({\r
+ initialize: function(request){\r
+ this.request = request;\r
+ var transport = this.transport = request.transport,\r
+ readyState = this.readyState = transport.readyState;\r
+\r
+ if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {\r
+ this.status = this.getStatus();\r
+ this.statusText = this.getStatusText();\r
+ this.responseText = String.interpret(transport.responseText);\r
+ this.headerJSON = this._getHeaderJSON();\r
+ }\r
+\r
+ if(readyState == 4) {\r
+ var xml = transport.responseXML;\r
+ this.responseXML = Object.isUndefined(xml) ? null : xml;\r
+ this.responseJSON = this._getResponseJSON();\r
+ }\r
+ },\r
+\r
+ status: 0,\r
+ statusText: '',\r
+\r
+ getStatus: Ajax.Request.prototype.getStatus,\r
+\r
+ getStatusText: function() {\r
+ try {\r
+ return this.transport.statusText || '';\r
+ } catch (e) { return '' }\r
+ },\r
+\r
+ getHeader: Ajax.Request.prototype.getHeader,\r
+\r
+ getAllHeaders: function() {\r
+ try {\r
+ return this.getAllResponseHeaders();\r
+ } catch (e) { return null }\r
+ },\r
+\r
+ getResponseHeader: function(name) {\r
+ return this.transport.getResponseHeader(name);\r
+ },\r
+\r
+ getAllResponseHeaders: function() {\r
+ return this.transport.getAllResponseHeaders();\r
+ },\r
+\r
+ _getHeaderJSON: function() {\r
+ var json = this.getHeader('X-JSON');\r
+ if (!json) return null;\r
+ json = decodeURIComponent(escape(json));\r
+ try {\r
+ return json.evalJSON(this.request.options.sanitizeJSON ||\r
+ !this.request.isSameOrigin());\r
+ } catch (e) {\r
+ this.request.dispatchException(e);\r
+ }\r
+ },\r
+\r
+ _getResponseJSON: function() {\r
+ var options = this.request.options;\r
+ if (!options.evalJSON || (options.evalJSON != 'force' &&\r
+ !(this.getHeader('Content-type') || '').include('application/json')) ||\r
+ this.responseText.blank())\r
+ return null;\r
+ try {\r
+ return this.responseText.evalJSON(options.sanitizeJSON ||\r
+ !this.request.isSameOrigin());\r
+ } catch (e) {\r
+ this.request.dispatchException(e);\r
+ }\r
+ }\r
+});\r
+\r
+Ajax.Updater = Class.create(Ajax.Request, {\r
+ initialize: function($super, container, url, options) {\r
+ this.container = {\r
+ success: (container.success || container),\r
+ failure: (container.failure || (container.success ? null : container))\r
+ };\r
+\r
+ options = Object.clone(options);\r
+ var onComplete = options.onComplete;\r
+ options.onComplete = (function(response, json) {\r
+ this.updateContent(response.responseText);\r
+ if (Object.isFunction(onComplete)) onComplete(response, json);\r
+ }).bind(this);\r
+\r
+ $super(url, options);\r
+ },\r
+\r
+ updateContent: function(responseText) {\r
+ var receiver = this.container[this.success() ? 'success' : 'failure'],\r
+ options = this.options;\r
+\r
+ if (!options.evalScripts) responseText = responseText.stripScripts();\r
+\r
+ if (receiver = $(receiver)) {\r
+ if (options.insertion) {\r
+ if (Object.isString(options.insertion)) {\r
+ var insertion = { }; insertion[options.insertion] = responseText;\r
+ receiver.insert(insertion);\r
+ }\r
+ else options.insertion(receiver, responseText);\r
+ }\r
+ else receiver.update(responseText);\r
+ }\r
+ }\r
+});\r
+\r
+Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {\r
+ initialize: function($super, container, url, options) {\r
+ $super(options);\r
+ this.onComplete = this.options.onComplete;\r
+\r
+ this.frequency = (this.options.frequency || 2);\r
+ this.decay = (this.options.decay || 1);\r
+\r
+ this.updater = { };\r
+ this.container = container;\r
+ this.url = url;\r
+\r
+ this.start();\r
+ },\r
+\r
+ start: function() {\r
+ this.options.onComplete = this.updateComplete.bind(this);\r
+ this.onTimerEvent();\r
+ },\r
+\r
+ stop: function() {\r
+ this.updater.options.onComplete = undefined;\r
+ clearTimeout(this.timer);\r
+ (this.onComplete || Prototype.emptyFunction).apply(this, arguments);\r
+ },\r
+\r
+ updateComplete: function(response) {\r
+ if (this.options.decay) {\r
+ this.decay = (response.responseText == this.lastText ?\r
+ this.decay * this.options.decay : 1);\r
+\r
+ this.lastText = response.responseText;\r
+ }\r
+ this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);\r
+ },\r
+\r
+ onTimerEvent: function() {\r
+ this.updater = new Ajax.Updater(this.container, this.url, this.options);\r
+ }\r
+});\r
+function $(element) {\r
+ if (arguments.length > 1) {\r
+ for (var i = 0, elements = [], length = arguments.length; i < length; i++)\r
+ elements.push($(arguments[i]));\r
+ return elements;\r
+ }\r
+ if (Object.isString(element))\r
+ element = document.getElementById(element);\r
+ return Element.extend(element);\r
+}\r
+\r
+if (Prototype.BrowserFeatures.XPath) {\r
+ document._getElementsByXPath = function(expression, parentElement) {\r
+ var results = [];\r
+ var query = document.evaluate(expression, $(parentElement) || document,\r
+ null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);\r
+ for (var i = 0, length = query.snapshotLength; i < length; i++)\r
+ results.push(Element.extend(query.snapshotItem(i)));\r
+ return results;\r
+ };\r
+}\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+if (!window.Node) var Node = { };\r
+\r
+if (!Node.ELEMENT_NODE) {\r
+ // DOM level 2 ECMAScript Language Binding\r
+ Object.extend(Node, {\r
+ ELEMENT_NODE: 1,\r
+ ATTRIBUTE_NODE: 2,\r
+ TEXT_NODE: 3,\r
+ CDATA_SECTION_NODE: 4,\r
+ ENTITY_REFERENCE_NODE: 5,\r
+ ENTITY_NODE: 6,\r
+ PROCESSING_INSTRUCTION_NODE: 7,\r
+ COMMENT_NODE: 8,\r
+ DOCUMENT_NODE: 9,\r
+ DOCUMENT_TYPE_NODE: 10,\r
+ DOCUMENT_FRAGMENT_NODE: 11,\r
+ NOTATION_NODE: 12\r
+ });\r
+}\r
+\r
+(function() {\r
+ var element = this.Element;\r
+ this.Element = function(tagName, attributes) {\r
+ attributes = attributes || { };\r
+ tagName = tagName.toLowerCase();\r
+ var cache = Element.cache;\r
+ if (Prototype.Browser.IE && attributes.name) {\r
+ tagName = '<' + tagName + ' name="' + attributes.name + '">';\r
+ delete attributes.name;\r
+ return Element.writeAttribute(document.createElement(tagName), attributes);\r
+ }\r
+ if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));\r
+ return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);\r
+ };\r
+ Object.extend(this.Element, element || { });\r
+}).call(window);\r
+\r
+Element.cache = { };\r
+\r
+Element.Methods = {\r
+ visible: function(element) {\r
+ return $(element).style.display != 'none';\r
+ },\r
+\r
+ toggle: function(element) {\r
+ element = $(element);\r
+ Element[Element.visible(element) ? 'hide' : 'show'](element);\r
+ return element;\r
+ },\r
+\r
+ hide: function(element) {\r
+ $(element).style.display = 'none';\r
+ return element;\r
+ },\r
+\r
+ show: function(element) {\r
+ $(element).style.display = '';\r
+ return element;\r
+ },\r
+\r
+ remove: function(element) {\r
+ element = $(element);\r
+ element.parentNode.removeChild(element);\r
+ return element;\r
+ },\r
+\r
+ update: function(element, content) {\r
+ element = $(element);\r
+ if (content && content.toElement) content = content.toElement();\r
+ if (Object.isElement(content)) return element.update().insert(content);\r
+ content = Object.toHTML(content);\r
+ element.innerHTML = content.stripScripts();\r
+ content.evalScripts.bind(content).defer();\r
+ return element;\r
+ },\r
+\r
+ replace: function(element, content) {\r
+ element = $(element);\r
+ if (content && content.toElement) content = content.toElement();\r
+ else if (!Object.isElement(content)) {\r
+ content = Object.toHTML(content);\r
+ var range = element.ownerDocument.createRange();\r
+ range.selectNode(element);\r
+ content.evalScripts.bind(content).defer();\r
+ content = range.createContextualFragment(content.stripScripts());\r
+ }\r
+ element.parentNode.replaceChild(content, element);\r
+ return element;\r
+ },\r
+\r
+ insert: function(element, insertions) {\r
+ element = $(element);\r
+\r
+ if (Object.isString(insertions) || Object.isNumber(insertions) ||\r
+ Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))\r
+ insertions = {bottom:insertions};\r
+\r
+ var content, insert, tagName, childNodes;\r
+\r
+ for (var position in insertions) {\r
+ content = insertions[position];\r
+ position = position.toLowerCase();\r
+ insert = Element._insertionTranslations[position];\r
+\r
+ if (content && content.toElement) content = content.toElement();\r
+ if (Object.isElement(content)) {\r
+ insert(element, content);\r
+ continue;\r
+ }\r
+\r
+ content = Object.toHTML(content);\r
+\r
+ tagName = ((position == 'before' || position == 'after')\r
+ ? element.parentNode : element).tagName.toUpperCase();\r
+\r
+ childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());\r
+\r
+ if (position == 'top' || position == 'after') childNodes.reverse();\r
+ childNodes.each(insert.curry(element));\r
+\r
+ content.evalScripts.bind(content).defer();\r
+ }\r
+\r
+ return element;\r
+ },\r
+\r
+ wrap: function(element, wrapper, attributes) {\r
+ element = $(element);\r
+ if (Object.isElement(wrapper))\r
+ $(wrapper).writeAttribute(attributes || { });\r
+ else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);\r
+ else wrapper = new Element('div', wrapper);\r
+ if (element.parentNode)\r
+ element.parentNode.replaceChild(wrapper, element);\r
+ wrapper.appendChild(element);\r
+ return wrapper;\r
+ },\r
+\r
+ inspect: function(element) {\r
+ element = $(element);\r
+ var result = '<' + element.tagName.toLowerCase();\r
+ $H({'id': 'id', 'className': 'class'}).each(function(pair) {\r
+ var property = pair.first(), attribute = pair.last();\r
+ var value = (element[property] || '').toString();\r
+ if (value) result += ' ' + attribute + '=' + value.inspect(true);\r
+ });\r
+ return result + '>';\r
+ },\r
+\r
+ recursivelyCollect: function(element, property) {\r
+ element = $(element);\r
+ var elements = [];\r
+ while (element = element[property])\r
+ if (element.nodeType == 1)\r
+ elements.push(Element.extend(element));\r
+ return elements;\r
+ },\r
+\r
+ ancestors: function(element) {\r
+ return $(element).recursivelyCollect('parentNode');\r
+ },\r
+\r
+ descendants: function(element) {\r
+ return $(element).select("*");\r
+ },\r
+\r
+ firstDescendant: function(element) {\r
+ element = $(element).firstChild;\r
+ while (element && element.nodeType != 1) element = element.nextSibling;\r
+ return $(element);\r
+ },\r
+\r
+ immediateDescendants: function(element) {\r
+ if (!(element = $(element).firstChild)) return [];\r
+ while (element && element.nodeType != 1) element = element.nextSibling;\r
+ if (element) return [element].concat($(element).nextSiblings());\r
+ return [];\r
+ },\r
+\r
+ previousSiblings: function(element) {\r
+ return $(element).recursivelyCollect('previousSibling');\r
+ },\r
+\r
+ nextSiblings: function(element) {\r
+ return $(element).recursivelyCollect('nextSibling');\r
+ },\r
+\r
+ siblings: function(element) {\r
+ element = $(element);\r
+ return element.previousSiblings().reverse().concat(element.nextSiblings());\r
+ },\r
+\r
+ match: function(element, selector) {\r
+ if (Object.isString(selector))\r
+ selector = new Selector(selector);\r
+ return selector.match($(element));\r
+ },\r
+\r
+ up: function(element, expression, index) {\r
+ element = $(element);\r
+ if (arguments.length == 1) return $(element.parentNode);\r
+ var ancestors = element.ancestors();\r
+ return Object.isNumber(expression) ? ancestors[expression] :\r
+ Selector.findElement(ancestors, expression, index);\r
+ },\r
+\r
+ down: function(element, expression, index) {\r
+ element = $(element);\r
+ if (arguments.length == 1) return element.firstDescendant();\r
+ return Object.isNumber(expression) ? element.descendants()[expression] :\r
+ element.select(expression)[index || 0];\r
+ },\r
+\r
+ previous: function(element, expression, index) {\r
+ element = $(element);\r
+ if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));\r
+ var previousSiblings = element.previousSiblings();\r
+ return Object.isNumber(expression) ? previousSiblings[expression] :\r
+ Selector.findElement(previousSiblings, expression, index);\r
+ },\r
+\r
+ next: function(element, expression, index) {\r
+ element = $(element);\r
+ if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));\r
+ var nextSiblings = element.nextSiblings();\r
+ return Object.isNumber(expression) ? nextSiblings[expression] :\r
+ Selector.findElement(nextSiblings, expression, index);\r
+ },\r
+\r
+ select: function() {\r
+ var args = $A(arguments), element = $(args.shift());\r
+ return Selector.findChildElements(element, args);\r
+ },\r
+\r
+ adjacent: function() {\r
+ var args = $A(arguments), element = $(args.shift());\r
+ return Selector.findChildElements(element.parentNode, args).without(element);\r
+ },\r
+\r
+ identify: function(element) {\r
+ element = $(element);\r
+ var id = element.readAttribute('id'), self = arguments.callee;\r
+ if (id) return id;\r
+ do { id = 'anonymous_element_' + self.counter++ } while ($(id));\r
+ element.writeAttribute('id', id);\r
+ return id;\r
+ },\r
+\r
+ readAttribute: function(element, name) {\r
+ element = $(element);\r
+ if (Prototype.Browser.IE) {\r
+ var t = Element._attributeTranslations.read;\r
+ if (t.values[name]) return t.values[name](element, name);\r
+ if (t.names[name]) name = t.names[name];\r
+ if (name.include(':')) {\r
+ return (!element.attributes || !element.attributes[name]) ? null :\r
+ element.attributes[name].value;\r
+ }\r
+ }\r
+ return element.getAttribute(name);\r
+ },\r
+\r
+ writeAttribute: function(element, name, value) {\r
+ element = $(element);\r
+ var attributes = { }, t = Element._attributeTranslations.write;\r
+\r
+ if (typeof name == 'object') attributes = name;\r
+ else attributes[name] = Object.isUndefined(value) ? true : value;\r
+\r
+ for (var attr in attributes) {\r
+ name = t.names[attr] || attr;\r
+ value = attributes[attr];\r
+ if (t.values[attr]) name = t.values[attr](element, value);\r
+ if (value === false || value === null)\r
+ element.removeAttribute(name);\r
+ else if (value === true)\r
+ element.setAttribute(name, name);\r
+ else element.setAttribute(name, value);\r
+ }\r
+ return element;\r
+ },\r
+\r
+ getHeight: function(element) {\r
+ return $(element).getDimensions().height;\r
+ },\r
+\r
+ getWidth: function(element) {\r
+ return $(element).getDimensions().width;\r
+ },\r
+\r
+ classNames: function(element) {\r
+ return new Element.ClassNames(element);\r
+ },\r
+\r
+ hasClassName: function(element, className) {\r
+ if (!(element = $(element))) return;\r
+ var elementClassName = element.className;\r
+ return (elementClassName.length > 0 && (elementClassName == className ||\r
+ new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));\r
+ },\r
+\r
+ addClassName: function(element, className) {\r
+ if (!(element = $(element))) return;\r
+ if (!element.hasClassName(className))\r
+ element.className += (element.className ? ' ' : '') + className;\r
+ return element;\r
+ },\r
+\r
+ removeClassName: function(element, className) {\r
+ if (!(element = $(element))) return;\r
+ element.className = element.className.replace(\r
+ new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();\r
+ return element;\r
+ },\r
+\r
+ toggleClassName: function(element, className) {\r
+ if (!(element = $(element))) return;\r
+ return element[element.hasClassName(className) ?\r
+ 'removeClassName' : 'addClassName'](className);\r
+ },\r
+\r
+ // removes whitespace-only text node children\r
+ cleanWhitespace: function(element) {\r
+ element = $(element);\r
+ var node = element.firstChild;\r
+ while (node) {\r
+ var nextNode = node.nextSibling;\r
+ if (node.nodeType == 3 && !/\S/.test(node.nodeValue))\r
+ element.removeChild(node);\r
+ node = nextNode;\r
+ }\r
+ return element;\r
+ },\r
+\r
+ empty: function(element) {\r
+ return $(element).innerHTML.blank();\r
+ },\r
+\r
+ descendantOf: function(element, ancestor) {\r
+ element = $(element), ancestor = $(ancestor);\r
+ var originalAncestor = ancestor;\r
+\r
+ if (element.compareDocumentPosition)\r
+ return (element.compareDocumentPosition(ancestor) & 8) === 8;\r
+\r
+ if (element.sourceIndex && !Prototype.Browser.Opera) {\r
+ var e = element.sourceIndex, a = ancestor.sourceIndex,\r
+ nextAncestor = ancestor.nextSibling;\r
+ if (!nextAncestor) {\r
+ do { ancestor = ancestor.parentNode; }\r
+ while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);\r
+ }\r
+ if (nextAncestor && nextAncestor.sourceIndex)\r
+ return (e > a && e < nextAncestor.sourceIndex);\r
+ }\r
+\r
+ while (element = element.parentNode)\r
+ if (element == originalAncestor) return true;\r
+ return false;\r
+ },\r
+\r
+ scrollTo: function(element) {\r
+ element = $(element);\r
+ var pos = element.cumulativeOffset();\r
+ window.scrollTo(pos[0], pos[1]);\r
+ return element;\r
+ },\r
+\r
+ getStyle: function(element, style) {\r
+ element = $(element);\r
+ style = style == 'float' ? 'cssFloat' : style.camelize();\r
+ var value = element.style[style];\r
+ if (!value) {\r
+ var css = document.defaultView.getComputedStyle(element, null);\r
+ value = css ? css[style] : null;\r
+ }\r
+ if (style == 'opacity') return value ? parseFloat(value) : 1.0;\r
+ return value == 'auto' ? null : value;\r
+ },\r
+\r
+ getOpacity: function(element) {\r
+ return $(element).getStyle('opacity');\r
+ },\r
+\r
+ setStyle: function(element, styles) {\r
+ element = $(element);\r
+ var elementStyle = element.style, match;\r
+ if (Object.isString(styles)) {\r
+ element.style.cssText += ';' + styles;\r
+ return styles.include('opacity') ?\r
+ element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;\r
+ }\r
+ for (var property in styles)\r
+ if (property == 'opacity') element.setOpacity(styles[property]);\r
+ else\r
+ elementStyle[(property == 'float' || property == 'cssFloat') ?\r
+ (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :\r
+ property] = styles[property];\r
+\r
+ return element;\r
+ },\r
+\r
+ setOpacity: function(element, value) {\r
+ element = $(element);\r
+ element.style.opacity = (value == 1 || value === '') ? '' :\r
+ (value < 0.00001) ? 0 : value;\r
+ return element;\r
+ },\r
+\r
+ getDimensions: function(element) {\r
+ element = $(element);\r
+ var display = $(element).getStyle('display');\r
+ if (display != 'none' && display != null) // Safari bug\r
+ return {width: element.offsetWidth, height: element.offsetHeight};\r
+\r
+ // All *Width and *Height properties give 0 on elements with display none,\r
+ // so enable the element temporarily\r
+ var els = element.style;\r
+ var originalVisibility = els.visibility;\r
+ var originalPosition = els.position;\r
+ var originalDisplay = els.display;\r
+ els.visibility = 'hidden';\r
+ els.position = 'absolute';\r
+ els.display = 'block';\r
+ var originalWidth = element.clientWidth;\r
+ var originalHeight = element.clientHeight;\r
+ els.display = originalDisplay;\r
+ els.position = originalPosition;\r
+ els.visibility = originalVisibility;\r
+ return {width: originalWidth, height: originalHeight};\r
+ },\r
+\r
+ makePositioned: function(element) {\r
+ element = $(element);\r
+ var pos = Element.getStyle(element, 'position');\r
+ if (pos == 'static' || !pos) {\r
+ element._madePositioned = true;\r
+ element.style.position = 'relative';\r
+ // Opera returns the offset relative to the positioning context, when an\r
+ // element is position relative but top and left have not been defined\r
+ if (window.opera) {\r
+ element.style.top = 0;\r
+ element.style.left = 0;\r
+ }\r
+ }\r
+ return element;\r
+ },\r
+\r
+ undoPositioned: function(element) {\r
+ element = $(element);\r
+ if (element._madePositioned) {\r
+ element._madePositioned = undefined;\r
+ element.style.position =\r
+ element.style.top =\r
+ element.style.left =\r
+ element.style.bottom =\r
+ element.style.right = '';\r
+ }\r
+ return element;\r
+ },\r
+\r
+ makeClipping: function(element) {\r
+ element = $(element);\r
+ if (element._overflow) return element;\r
+ element._overflow = Element.getStyle(element, 'overflow') || 'auto';\r
+ if (element._overflow !== 'hidden')\r
+ element.style.overflow = 'hidden';\r
+ return element;\r
+ },\r
+\r
+ undoClipping: function(element) {\r
+ element = $(element);\r
+ if (!element._overflow) return element;\r
+ element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;\r
+ element._overflow = null;\r
+ return element;\r
+ },\r
+\r
+ cumulativeOffset: function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+ element = element.offsetParent;\r
+ } while (element);\r
+ return Element._returnOffset(valueL, valueT);\r
+ },\r
+\r
+ positionedOffset: function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+ element = element.offsetParent;\r
+ if (element) {\r
+ if (element.tagName == 'BODY') break;\r
+ var p = Element.getStyle(element, 'position');\r
+ if (p !== 'static') break;\r
+ }\r
+ } while (element);\r
+ return Element._returnOffset(valueL, valueT);\r
+ },\r
+\r
+ absolutize: function(element) {\r
+ element = $(element);\r
+ if (element.getStyle('position') == 'absolute') return;\r
+ // Position.prepare(); // To be done manually by Scripty when it needs it.\r
+\r
+ var offsets = element.positionedOffset();\r
+ var top = offsets[1];\r
+ var left = offsets[0];\r
+ var width = element.clientWidth;\r
+ var height = element.clientHeight;\r
+\r
+ element._originalLeft = left - parseFloat(element.style.left || 0);\r
+ element._originalTop = top - parseFloat(element.style.top || 0);\r
+ element._originalWidth = element.style.width;\r
+ element._originalHeight = element.style.height;\r
+\r
+ element.style.position = 'absolute';\r
+ element.style.top = top + 'px';\r
+ element.style.left = left + 'px';\r
+ element.style.width = width + 'px';\r
+ element.style.height = height + 'px';\r
+ return element;\r
+ },\r
+\r
+ relativize: function(element) {\r
+ element = $(element);\r
+ if (element.getStyle('position') == 'relative') return;\r
+ // Position.prepare(); // To be done manually by Scripty when it needs it.\r
+\r
+ element.style.position = 'relative';\r
+ var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);\r
+ var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);\r
+\r
+ element.style.top = top + 'px';\r
+ element.style.left = left + 'px';\r
+ element.style.height = element._originalHeight;\r
+ element.style.width = element._originalWidth;\r
+ return element;\r
+ },\r
+\r
+ cumulativeScrollOffset: function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.scrollTop || 0;\r
+ valueL += element.scrollLeft || 0;\r
+ element = element.parentNode;\r
+ } while (element);\r
+ return Element._returnOffset(valueL, valueT);\r
+ },\r
+\r
+ getOffsetParent: function(element) {\r
+ if (element.offsetParent) return $(element.offsetParent);\r
+ if (element == document.body) return $(element);\r
+\r
+ while ((element = element.parentNode) && element != document.body)\r
+ if (Element.getStyle(element, 'position') != 'static')\r
+ return $(element);\r
+\r
+ return $(document.body);\r
+ },\r
+\r
+ viewportOffset: function(forElement) {\r
+ var valueT = 0, valueL = 0;\r
+\r
+ var element = forElement;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+\r
+ // Safari fix\r
+ if (element.offsetParent == document.body &&\r
+ Element.getStyle(element, 'position') == 'absolute') break;\r
+\r
+ } while (element = element.offsetParent);\r
+\r
+ element = forElement;\r
+ do {\r
+ if (!Prototype.Browser.Opera || element.tagName == 'BODY') {\r
+ valueT -= element.scrollTop || 0;\r
+ valueL -= element.scrollLeft || 0;\r
+ }\r
+ } while (element = element.parentNode);\r
+\r
+ return Element._returnOffset(valueL, valueT);\r
+ },\r
+\r
+ clonePosition: function(element, source) {\r
+ var options = Object.extend({\r
+ setLeft: true,\r
+ setTop: true,\r
+ setWidth: true,\r
+ setHeight: true,\r
+ offsetTop: 0,\r
+ offsetLeft: 0\r
+ }, arguments[2] || { });\r
+\r
+ // find page position of source\r
+ source = $(source);\r
+ var p = source.viewportOffset();\r
+\r
+ // find coordinate system to use\r
+ element = $(element);\r
+ var delta = [0, 0];\r
+ var parent = null;\r
+ // delta [0,0] will do fine with position: fixed elements,\r
+ // position:absolute needs offsetParent deltas\r
+ if (Element.getStyle(element, 'position') == 'absolute') {\r
+ parent = element.getOffsetParent();\r
+ delta = parent.viewportOffset();\r
+ }\r
+\r
+ // correct by body offsets (fixes Safari)\r
+ if (parent == document.body) {\r
+ delta[0] -= document.body.offsetLeft;\r
+ delta[1] -= document.body.offsetTop;\r
+ }\r
+\r
+ // set position\r
+ if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';\r
+ if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';\r
+ if (options.setWidth) element.style.width = source.offsetWidth + 'px';\r
+ if (options.setHeight) element.style.height = source.offsetHeight + 'px';\r
+ return element;\r
+ }\r
+};\r
+\r
+Element.Methods.identify.counter = 1;\r
+\r
+Object.extend(Element.Methods, {\r
+ getElementsBySelector: Element.Methods.select,\r
+ childElements: Element.Methods.immediateDescendants\r
+});\r
+\r
+Element._attributeTranslations = {\r
+ write: {\r
+ names: {\r
+ className: 'class',\r
+ htmlFor: 'for'\r
+ },\r
+ values: { }\r
+ }\r
+};\r
+\r
+if (Prototype.Browser.Opera) {\r
+ Element.Methods.getStyle = Element.Methods.getStyle.wrap(\r
+ function(proceed, element, style) {\r
+ switch (style) {\r
+ case 'left': case 'top': case 'right': case 'bottom':\r
+ if (proceed(element, 'position') === 'static') return null;\r
+ case 'height': case 'width':\r
+ // returns '0px' for hidden elements; we want it to return null\r
+ if (!Element.visible(element)) return null;\r
+\r
+ // returns the border-box dimensions rather than the content-box\r
+ // dimensions, so we subtract padding and borders from the value\r
+ var dim = parseInt(proceed(element, style), 10);\r
+\r
+ if (dim !== element['offset' + style.capitalize()])\r
+ return dim + 'px';\r
+\r
+ var properties;\r
+ if (style === 'height') {\r
+ properties = ['border-top-width', 'padding-top',\r
+ 'padding-bottom', 'border-bottom-width'];\r
+ }\r
+ else {\r
+ properties = ['border-left-width', 'padding-left',\r
+ 'padding-right', 'border-right-width'];\r
+ }\r
+ return properties.inject(dim, function(memo, property) {\r
+ var val = proceed(element, property);\r
+ return val === null ? memo : memo - parseInt(val, 10);\r
+ }) + 'px';\r
+ default: return proceed(element, style);\r
+ }\r
+ }\r
+ );\r
+\r
+ Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(\r
+ function(proceed, element, attribute) {\r
+ if (attribute === 'title') return element.title;\r
+ return proceed(element, attribute);\r
+ }\r
+ );\r
+}\r
+\r
+else if (Prototype.Browser.IE) {\r
+ // IE doesn't report offsets correctly for static elements, so we change them\r
+ // to "relative" to get the values, then change them back.\r
+ Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(\r
+ function(proceed, element) {\r
+ element = $(element);\r
+ var position = element.getStyle('position');\r
+ if (position !== 'static') return proceed(element);\r
+ element.setStyle({ position: 'relative' });\r
+ var value = proceed(element);\r
+ element.setStyle({ position: position });\r
+ return value;\r
+ }\r
+ );\r
+\r
+ $w('positionedOffset viewportOffset').each(function(method) {\r
+ Element.Methods[method] = Element.Methods[method].wrap(\r
+ function(proceed, element) {\r
+ element = $(element);\r
+ var position = element.getStyle('position');\r
+ if (position !== 'static') return proceed(element);\r
+ // Trigger hasLayout on the offset parent so that IE6 reports\r
+ // accurate offsetTop and offsetLeft values for position: fixed.\r
+ var offsetParent = element.getOffsetParent();\r
+ if (offsetParent && offsetParent.getStyle('position') === 'fixed')\r
+ offsetParent.setStyle({ zoom: 1 });\r
+ element.setStyle({ position: 'relative' });\r
+ var value = proceed(element);\r
+ element.setStyle({ position: position });\r
+ return value;\r
+ }\r
+ );\r
+ });\r
+\r
+ Element.Methods.getStyle = function(element, style) {\r
+ element = $(element);\r
+ style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();\r
+ var value = element.style[style];\r
+ if (!value && element.currentStyle) value = element.currentStyle[style];\r
+\r
+ if (style == 'opacity') {\r
+ if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))\r
+ if (value[1]) return parseFloat(value[1]) / 100;\r
+ return 1.0;\r
+ }\r
+\r
+ if (value == 'auto') {\r
+ if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))\r
+ return element['offset' + style.capitalize()] + 'px';\r
+ return null;\r
+ }\r
+ return value;\r
+ };\r
+\r
+ Element.Methods.setOpacity = function(element, value) {\r
+ function stripAlpha(filter){\r
+ return filter.replace(/alpha\([^\)]*\)/gi,'');\r
+ }\r
+ element = $(element);\r
+ var currentStyle = element.currentStyle;\r
+ if ((currentStyle && !currentStyle.hasLayout) ||\r
+ (!currentStyle && element.style.zoom == 'normal'))\r
+ element.style.zoom = 1;\r
+\r
+ var filter = element.getStyle('filter'), style = element.style;\r
+ if (value == 1 || value === '') {\r
+ (filter = stripAlpha(filter)) ?\r
+ style.filter = filter : style.removeAttribute('filter');\r
+ return element;\r
+ } else if (value < 0.00001) value = 0;\r
+ style.filter = stripAlpha(filter) +\r
+ 'alpha(opacity=' + (value * 100) + ')';\r
+ return element;\r
+ };\r
+\r
+ Element._attributeTranslations = {\r
+ read: {\r
+ names: {\r
+ 'class': 'className',\r
+ 'for': 'htmlFor'\r
+ },\r
+ values: {\r
+ _getAttr: function(element, attribute) {\r
+ return element.getAttribute(attribute, 2);\r
+ },\r
+ _getAttrNode: function(element, attribute) {\r
+ var node = element.getAttributeNode(attribute);\r
+ return node ? node.value : "";\r
+ },\r
+ _getEv: function(element, attribute) {\r
+ attribute = element.getAttribute(attribute);\r
+ return attribute ? attribute.toString().slice(23, -2) : null;\r
+ },\r
+ _flag: function(element, attribute) {\r
+ return $(element).hasAttribute(attribute) ? attribute : null;\r
+ },\r
+ style: function(element) {\r
+ return element.style.cssText.toLowerCase();\r
+ },\r
+ title: function(element) {\r
+ return element.title;\r
+ }\r
+ }\r
+ }\r
+ };\r
+\r
+ Element._attributeTranslations.write = {\r
+ names: Object.extend({\r
+ cellpadding: 'cellPadding',\r
+ cellspacing: 'cellSpacing'\r
+ }, Element._attributeTranslations.read.names),\r
+ values: {\r
+ checked: function(element, value) {\r
+ element.checked = !!value;\r
+ },\r
+\r
+ style: function(element, value) {\r
+ element.style.cssText = value ? value : '';\r
+ }\r
+ }\r
+ };\r
+\r
+ Element._attributeTranslations.has = {};\r
+\r
+ $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +\r
+ 'encType maxLength readOnly longDesc').each(function(attr) {\r
+ Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;\r
+ Element._attributeTranslations.has[attr.toLowerCase()] = attr;\r
+ });\r
+\r
+ (function(v) {\r
+ Object.extend(v, {\r
+ href: v._getAttr,\r
+ src: v._getAttr,\r
+ type: v._getAttr,\r
+ action: v._getAttrNode,\r
+ disabled: v._flag,\r
+ checked: v._flag,\r
+ readonly: v._flag,\r
+ multiple: v._flag,\r
+ onload: v._getEv,\r
+ onunload: v._getEv,\r
+ onclick: v._getEv,\r
+ ondblclick: v._getEv,\r
+ onmousedown: v._getEv,\r
+ onmouseup: v._getEv,\r
+ onmouseover: v._getEv,\r
+ onmousemove: v._getEv,\r
+ onmouseout: v._getEv,\r
+ onfocus: v._getEv,\r
+ onblur: v._getEv,\r
+ onkeypress: v._getEv,\r
+ onkeydown: v._getEv,\r
+ onkeyup: v._getEv,\r
+ onsubmit: v._getEv,\r
+ onreset: v._getEv,\r
+ onselect: v._getEv,\r
+ onchange: v._getEv\r
+ });\r
+ })(Element._attributeTranslations.read.values);\r
+}\r
+\r
+else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {\r
+ Element.Methods.setOpacity = function(element, value) {\r
+ element = $(element);\r
+ element.style.opacity = (value == 1) ? 0.999999 :\r
+ (value === '') ? '' : (value < 0.00001) ? 0 : value;\r
+ return element;\r
+ };\r
+}\r
+\r
+else if (Prototype.Browser.WebKit) {\r
+ Element.Methods.setOpacity = function(element, value) {\r
+ element = $(element);\r
+ element.style.opacity = (value == 1 || value === '') ? '' :\r
+ (value < 0.00001) ? 0 : value;\r
+\r
+ if (value == 1)\r
+ if(element.tagName == 'IMG' && element.width) {\r
+ element.width++; element.width--;\r
+ } else try {\r
+ var n = document.createTextNode(' ');\r
+ element.appendChild(n);\r
+ element.removeChild(n);\r
+ } catch (e) { }\r
+\r
+ return element;\r
+ };\r
+\r
+ // Safari returns margins on body which is incorrect if the child is absolutely\r
+ // positioned. For performance reasons, redefine Element#cumulativeOffset for\r
+ // KHTML/WebKit only.\r
+ Element.Methods.cumulativeOffset = function(element) {\r
+ var valueT = 0, valueL = 0;\r
+ do {\r
+ valueT += element.offsetTop || 0;\r
+ valueL += element.offsetLeft || 0;\r
+ if (element.offsetParent == document.body)\r
+ if (Element.getStyle(element, 'position') == 'absolute') break;\r
+\r
+ element = element.offsetParent;\r
+ } while (element);\r
+\r
+ return Element._returnOffset(valueL, valueT);\r
+ };\r
+}\r
+\r
+if (Prototype.Browser.IE || Prototype.Browser.Opera) {\r
+ // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements\r
+ Element.Methods.update = function(element, content) {\r
+ element = $(element);\r
+\r
+ if (content && content.toElement) content = content.toElement();\r
+ if (Object.isElement(content)) return element.update().insert(content);\r
+\r
+ content = Object.toHTML(content);\r
+ var tagName = element.tagName.toUpperCase();\r
+\r
+ if (tagName in Element._insertionTranslations.tags) {\r
+ $A(element.childNodes).each(function(node) { element.removeChild(node) });\r
+ Element._getContentFromAnonymousElement(tagName, content.stripScripts())\r
+ .each(function(node) { element.appendChild(node) });\r
+ }\r
+ else element.innerHTML = content.stripScripts();\r
+\r
+ content.evalScripts.bind(content).defer();\r
+ return element;\r
+ };\r
+}\r
+\r
+if ('outerHTML' in document.createElement('div')) {\r
+ Element.Methods.replace = function(element, content) {\r
+ element = $(element);\r
+\r
+ if (content && content.toElement) content = content.toElement();\r
+ if (Object.isElement(content)) {\r
+ element.parentNode.replaceChild(content, element);\r
+ return element;\r
+ }\r
+\r
+ content = Object.toHTML(content);\r
+ var parent = element.parentNode, tagName = parent.tagName.toUpperCase();\r
+\r
+ if (Element._insertionTranslations.tags[tagName]) {\r
+ var nextSibling = element.next();\r
+ var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());\r
+ parent.removeChild(element);\r
+ if (nextSibling)\r
+ fragments.each(function(node) { parent.insertBefore(node, nextSibling) });\r
+ else\r
+ fragments.each(function(node) { parent.appendChild(node) });\r
+ }\r
+ else element.outerHTML = content.stripScripts();\r
+\r
+ content.evalScripts.bind(content).defer();\r
+ return element;\r
+ };\r
+}\r
+\r
+Element._returnOffset = function(l, t) {\r
+ var result = [l, t];\r
+ result.left = l;\r
+ result.top = t;\r
+ return result;\r
+};\r
+\r
+Element._getContentFromAnonymousElement = function(tagName, html) {\r
+ var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];\r
+ if (t) {\r
+ div.innerHTML = t[0] + html + t[1];\r
+ t[2].times(function() { div = div.firstChild });\r
+ } else div.innerHTML = html;\r
+ return $A(div.childNodes);\r
+};\r
+\r
+Element._insertionTranslations = {\r
+ before: function(element, node) {\r
+ element.parentNode.insertBefore(node, element);\r
+ },\r
+ top: function(element, node) {\r
+ element.insertBefore(node, element.firstChild);\r
+ },\r
+ bottom: function(element, node) {\r
+ element.appendChild(node);\r
+ },\r
+ after: function(element, node) {\r
+ element.parentNode.insertBefore(node, element.nextSibling);\r
+ },\r
+ tags: {\r
+ TABLE: ['<table>', '</table>', 1],\r
+ TBODY: ['<table><tbody>', '</tbody></table>', 2],\r
+ TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],\r
+ TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],\r
+ SELECT: ['<select>', '</select>', 1]\r
+ }\r
+};\r
+\r
+(function() {\r
+ Object.extend(this.tags, {\r
+ THEAD: this.tags.TBODY,\r
+ TFOOT: this.tags.TBODY,\r
+ TH: this.tags.TD\r
+ });\r
+}).call(Element._insertionTranslations);\r
+\r
+Element.Methods.Simulated = {\r
+ hasAttribute: function(element, attribute) {\r
+ attribute = Element._attributeTranslations.has[attribute] || attribute;\r
+ var node = $(element).getAttributeNode(attribute);\r
+ return node && node.specified;\r
+ }\r
+};\r
+\r
+Element.Methods.ByTag = { };\r
+\r
+Object.extend(Element, Element.Methods);\r
+\r
+if (!Prototype.BrowserFeatures.ElementExtensions &&\r
+ document.createElement('div').__proto__) {\r
+ window.HTMLElement = { };\r
+ window.HTMLElement.prototype = document.createElement('div').__proto__;\r
+ Prototype.BrowserFeatures.ElementExtensions = true;\r
+}\r
+\r
+Element.extend = (function() {\r
+ if (Prototype.BrowserFeatures.SpecificElementExtensions)\r
+ return Prototype.K;\r
+\r
+ var Methods = { }, ByTag = Element.Methods.ByTag;\r
+\r
+ var extend = Object.extend(function(element) {\r
+ if (!element || element._extendedByPrototype ||\r
+ element.nodeType != 1 || element == window) return element;\r
+\r
+ var methods = Object.clone(Methods),\r
+ tagName = element.tagName, property, value;\r
+\r
+ // extend methods for specific tags\r
+ if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);\r
+\r
+ for (property in methods) {\r
+ value = methods[property];\r
+ if (Object.isFunction(value) && !(property in element))\r
+ element[property] = value.methodize();\r
+ }\r
+\r
+ element._extendedByPrototype = Prototype.emptyFunction;\r
+ return element;\r
+\r
+ }, {\r
+ refresh: function() {\r
+ // extend methods for all tags (Safari doesn't need this)\r
+ if (!Prototype.BrowserFeatures.ElementExtensions) {\r
+ Object.extend(Methods, Element.Methods);\r
+ Object.extend(Methods, Element.Methods.Simulated);\r
+ }\r
+ }\r
+ });\r
+\r
+ extend.refresh();\r
+ return extend;\r
+})();\r
+\r
+Element.hasAttribute = function(element, attribute) {\r
+ if (element.hasAttribute) return element.hasAttribute(attribute);\r
+ return Element.Methods.Simulated.hasAttribute(element, attribute);\r
+};\r
+\r
+Element.addMethods = function(methods) {\r
+ var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;\r
+\r
+ if (!methods) {\r
+ Object.extend(Form, Form.Methods);\r
+ Object.extend(Form.Element, Form.Element.Methods);\r
+ Object.extend(Element.Methods.ByTag, {\r
+ "FORM": Object.clone(Form.Methods),\r
+ "INPUT": Object.clone(Form.Element.Methods),\r
+ "SELECT": Object.clone(Form.Element.Methods),\r
+ "TEXTAREA": Object.clone(Form.Element.Methods)\r
+ });\r
+ }\r
+\r
+ if (arguments.length == 2) {\r
+ var tagName = methods;\r
+ methods = arguments[1];\r
+ }\r
+\r
+ if (!tagName) Object.extend(Element.Methods, methods || { });\r
+ else {\r
+ if (Object.isArray(tagName)) tagName.each(extend);\r
+ else extend(tagName);\r
+ }\r
+\r
+ function extend(tagName) {\r
+ tagName = tagName.toUpperCase();\r
+ if (!Element.Methods.ByTag[tagName])\r
+ Element.Methods.ByTag[tagName] = { };\r
+ Object.extend(Element.Methods.ByTag[tagName], methods);\r
+ }\r
+\r
+ function copy(methods, destination, onlyIfAbsent) {\r
+ onlyIfAbsent = onlyIfAbsent || false;\r
+ for (var property in methods) {\r
+ var value = methods[property];\r
+ if (!Object.isFunction(value)) continue;\r
+ if (!onlyIfAbsent || !(property in destination))\r
+ destination[property] = value.methodize();\r
+ }\r
+ }\r
+\r
+ function findDOMClass(tagName) {\r
+ var klass;\r
+ var trans = {\r
+ "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",\r
+ "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",\r
+ "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",\r
+ "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",\r
+ "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":\r
+ "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":\r
+ "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":\r
+ "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":\r
+ "FrameSet", "IFRAME": "IFrame"\r
+ };\r
+ if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';\r
+ if (window[klass]) return window[klass];\r
+ klass = 'HTML' + tagName + 'Element';\r
+ if (window[klass]) return window[klass];\r
+ klass = 'HTML' + tagName.capitalize() + 'Element';\r
+ if (window[klass]) return window[klass];\r
+\r
+ window[klass] = { };\r
+ window[klass].prototype = document.createElement(tagName).__proto__;\r
+ return window[klass];\r
+ }\r
+\r
+ if (F.ElementExtensions) {\r
+ copy(Element.Methods, HTMLElement.prototype);\r
+ copy(Element.Methods.Simulated, HTMLElement.prototype, true);\r
+ }\r
+\r
+ if (F.SpecificElementExtensions) {\r
+ for (var tag in Element.Methods.ByTag) {\r
+ var klass = findDOMClass(tag);\r
+ if (Object.isUndefined(klass)) continue;\r
+ copy(T[tag], klass.prototype);\r
+ }\r
+ }\r
+\r
+ Object.extend(Element, Element.Methods);\r
+ delete Element.ByTag;\r
+\r
+ if (Element.extend.refresh) Element.extend.refresh();\r
+ Element.cache = { };\r
+};\r
+\r
+document.viewport = {\r
+ getDimensions: function() {\r
+ var dimensions = { };\r
+ var B = Prototype.Browser;\r
+ $w('width height').each(function(d) {\r
+ var D = d.capitalize();\r
+ dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :\r
+ (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];\r
+ });\r
+ return dimensions;\r
+ },\r
+\r
+ getWidth: function() {\r
+ return this.getDimensions().width;\r
+ },\r
+\r
+ getHeight: function() {\r
+ return this.getDimensions().height;\r
+ },\r
+\r
+ getScrollOffsets: function() {\r
+ return Element._returnOffset(\r
+ window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,\r
+ window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);\r
+ }\r
+};\r
+/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,\r
+ * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style\r
+ * license. Please see http://www.yui-ext.com/ for more information. */\r
+\r
+var Selector = Class.create({\r
+ initialize: function(expression) {\r
+ this.expression = expression.strip();\r
+ this.compileMatcher();\r
+ },\r
+\r
+ shouldUseXPath: function() {\r
+ if (!Prototype.BrowserFeatures.XPath) return false;\r
+\r
+ var e = this.expression;\r
+\r
+ // Safari 3 chokes on :*-of-type and :empty\r
+ if (Prototype.Browser.WebKit &&\r
+ (e.include("-of-type") || e.include(":empty")))\r
+ return false;\r
+\r
+ // XPath can't do namespaced attributes, nor can it read\r
+ // the "checked" property from DOM nodes\r
+ if ((/(\[[\w-]*?:|:checked)/).test(this.expression))\r
+ return false;\r
+\r
+ return true;\r
+ },\r
+\r
+ compileMatcher: function() {\r
+ if (this.shouldUseXPath())\r
+ return this.compileXPathMatcher();\r
+\r
+ var e = this.expression, ps = Selector.patterns, h = Selector.handlers,\r
+ c = Selector.criteria, le, p, m;\r
+\r
+ if (Selector._cache[e]) {\r
+ this.matcher = Selector._cache[e];\r
+ return;\r
+ }\r
+\r
+ this.matcher = ["this.matcher = function(root) {",\r
+ "var r = root, h = Selector.handlers, c = false, n;"];\r
+\r
+ while (e && le != e && (/\S/).test(e)) {\r
+ le = e;\r
+ for (var i in ps) {\r
+ p = ps[i];\r
+ if (m = e.match(p)) {\r
+ this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :\r
+ new Template(c[i]).evaluate(m));\r
+ e = e.replace(m[0], '');\r
+ break;\r
+ }\r
+ }\r
+ }\r
+\r
+ this.matcher.push("return h.unique(n);\n}");\r
+ eval(this.matcher.join('\n'));\r
+ Selector._cache[this.expression] = this.matcher;\r
+ },\r
+\r
+ compileXPathMatcher: function() {\r
+ var e = this.expression, ps = Selector.patterns,\r
+ x = Selector.xpath, le, m;\r
+\r
+ if (Selector._cache[e]) {\r
+ this.xpath = Selector._cache[e]; return;\r
+ }\r
+\r
+ this.matcher = ['.//*'];\r
+ while (e && le != e && (/\S/).test(e)) {\r
+ le = e;\r
+ for (var i in ps) {\r
+ if (m = e.match(ps[i])) {\r
+ this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :\r
+ new Template(x[i]).evaluate(m));\r
+ e = e.replace(m[0], '');\r
+ break;\r
+ }\r
+ }\r
+ }\r
+\r
+ this.xpath = this.matcher.join('');\r
+ Selector._cache[this.expression] = this.xpath;\r
+ },\r
+\r
+ findElements: function(root) {\r
+ root = root || document;\r
+ if (this.xpath) return document._getElementsByXPath(this.xpath, root);\r
+ return this.matcher(root);\r
+ },\r
+\r
+ match: function(element) {\r
+ this.tokens = [];\r
+\r
+ var e = this.expression, ps = Selector.patterns, as = Selector.assertions;\r
+ var le, p, m;\r
+\r
+ while (e && le !== e && (/\S/).test(e)) {\r
+ le = e;\r
+ for (var i in ps) {\r
+ p = ps[i];\r
+ if (m = e.match(p)) {\r
+ // use the Selector.assertions methods unless the selector\r
+ // is too complex.\r
+ if (as[i]) {\r
+ this.tokens.push([i, Object.clone(m)]);\r
+ e = e.replace(m[0], '');\r
+ } else {\r
+ // reluctantly do a document-wide search\r
+ // and look for a match in the array\r
+ return this.findElements(document).include(element);\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ var match = true, name, matches;\r
+ for (var i = 0, token; token = this.tokens[i]; i++) {\r
+ name = token[0], matches = token[1];\r
+ if (!Selector.assertions[name](element, matches)) {\r
+ match = false; break;\r
+ }\r
+ }\r
+\r
+ return match;\r
+ },\r
+\r
+ toString: function() {\r
+ return this.expression;\r
+ },\r
+\r
+ inspect: function() {\r
+ return "#<Selector:" + this.expression.inspect() + ">";\r
+ }\r
+});\r
+\r
+Object.extend(Selector, {\r
+ _cache: { },\r
+\r
+ xpath: {\r
+ descendant: "//*",\r
+ child: "/*",\r
+ adjacent: "/following-sibling::*[1]",\r
+ laterSibling: '/following-sibling::*',\r
+ tagName: function(m) {\r
+ if (m[1] == '*') return '';\r
+ return "[local-name()='" + m[1].toLowerCase() +\r
+ "' or local-name()='" + m[1].toUpperCase() + "']";\r
+ },\r
+ className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",\r
+ id: "[@id='#{1}']",\r
+ attrPresence: function(m) {\r
+ m[1] = m[1].toLowerCase();\r
+ return new Template("[@#{1}]").evaluate(m);\r
+ },\r
+ attr: function(m) {\r
+ m[1] = m[1].toLowerCase();\r
+ m[3] = m[5] || m[6];\r
+ return new Template(Selector.xpath.operators[m[2]]).evaluate(m);\r
+ },\r
+ pseudo: function(m) {\r
+ var h = Selector.xpath.pseudos[m[1]];\r
+ if (!h) return '';\r
+ if (Object.isFunction(h)) return h(m);\r
+ return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);\r
+ },\r
+ operators: {\r
+ '=': "[@#{1}='#{3}']",\r
+ '!=': "[@#{1}!='#{3}']",\r
+ '^=': "[starts-with(@#{1}, '#{3}')]",\r
+ '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",\r
+ '*=': "[contains(@#{1}, '#{3}')]",\r
+ '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",\r
+ '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"\r
+ },\r
+ pseudos: {\r
+ 'first-child': '[not(preceding-sibling::*)]',\r
+ 'last-child': '[not(following-sibling::*)]',\r
+ 'only-child': '[not(preceding-sibling::* or following-sibling::*)]',\r
+ 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",\r
+ 'checked': "[@checked]",\r
+ 'disabled': "[@disabled]",\r
+ 'enabled': "[not(@disabled)]",\r
+ 'not': function(m) {\r
+ var e = m[6], p = Selector.patterns,\r
+ x = Selector.xpath, le, v;\r
+\r
+ var exclusion = [];\r
+ while (e && le != e && (/\S/).test(e)) {\r
+ le = e;\r
+ for (var i in p) {\r
+ if (m = e.match(p[i])) {\r
+ v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);\r
+ exclusion.push("(" + v.substring(1, v.length - 1) + ")");\r
+ e = e.replace(m[0], '');\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ return "[not(" + exclusion.join(" and ") + ")]";\r
+ },\r
+ 'nth-child': function(m) {\r
+ return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);\r
+ },\r
+ 'nth-last-child': function(m) {\r
+ return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);\r
+ },\r
+ 'nth-of-type': function(m) {\r
+ return Selector.xpath.pseudos.nth("position() ", m);\r
+ },\r
+ 'nth-last-of-type': function(m) {\r
+ return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);\r
+ },\r
+ 'first-of-type': function(m) {\r
+ m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);\r
+ },\r
+ 'last-of-type': function(m) {\r
+ m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);\r
+ },\r
+ 'only-of-type': function(m) {\r
+ var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);\r
+ },\r
+ nth: function(fragment, m) {\r
+ var mm, formula = m[6], predicate;\r
+ if (formula == 'even') formula = '2n+0';\r
+ if (formula == 'odd') formula = '2n+1';\r
+ if (mm = formula.match(/^(\d+)$/)) // digit only\r
+ return '[' + fragment + "= " + mm[1] + ']';\r
+ if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b\r
+ if (mm[1] == "-") mm[1] = -1;\r
+ var a = mm[1] ? Number(mm[1]) : 1;\r
+ var b = mm[2] ? Number(mm[2]) : 0;\r
+ predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +\r
+ "((#{fragment} - #{b}) div #{a} >= 0)]";\r
+ return new Template(predicate).evaluate({\r
+ fragment: fragment, a: a, b: b });\r
+ }\r
+ }\r
+ }\r
+ },\r
+\r
+ criteria: {\r
+ tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',\r
+ className: 'n = h.className(n, r, "#{1}", c); c = false;',\r
+ id: 'n = h.id(n, r, "#{1}", c); c = false;',\r
+ attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',\r
+ attr: function(m) {\r
+ m[3] = (m[5] || m[6]);\r
+ return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);\r
+ },\r
+ pseudo: function(m) {\r
+ if (m[6]) m[6] = m[6].replace(/"/g, '\\"');\r
+ return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);\r
+ },\r
+ descendant: 'c = "descendant";',\r
+ child: 'c = "child";',\r
+ adjacent: 'c = "adjacent";',\r
+ laterSibling: 'c = "laterSibling";'\r
+ },\r
+\r
+ patterns: {\r
+ // combinators must be listed first\r
+ // (and descendant needs to be last combinator)\r
+ laterSibling: /^\s*~\s*/,\r
+ child: /^\s*>\s*/,\r
+ adjacent: /^\s*\+\s*/,\r
+ descendant: /^\s/,\r
+\r
+ // selectors follow\r
+ tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,\r
+ id: /^#([\w\-\*]+)(\b|$)/,\r
+ className: /^\.([\w\-\*]+)(\b|$)/,\r
+ pseudo:\r
+/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,\r
+ attrPresence: /^\[([\w]+)\]/,\r
+ attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/\r
+ },\r
+\r
+ // for Selector.match and Element#match\r
+ assertions: {\r
+ tagName: function(element, matches) {\r
+ return matches[1].toUpperCase() == element.tagName.toUpperCase();\r
+ },\r
+\r
+ className: function(element, matches) {\r
+ return Element.hasClassName(element, matches[1]);\r
+ },\r
+\r
+ id: function(element, matches) {\r
+ return element.id === matches[1];\r
+ },\r
+\r
+ attrPresence: function(element, matches) {\r
+ return Element.hasAttribute(element, matches[1]);\r
+ },\r
+\r
+ attr: function(element, matches) {\r
+ var nodeValue = Element.readAttribute(element, matches[1]);\r
+ return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);\r
+ }\r
+ },\r
+\r
+ handlers: {\r
+ // UTILITY FUNCTIONS\r
+ // joins two collections\r
+ concat: function(a, b) {\r
+ for (var i = 0, node; node = b[i]; i++)\r
+ a.push(node);\r
+ return a;\r
+ },\r
+\r
+ // marks an array of nodes for counting\r
+ mark: function(nodes) {\r
+ var _true = Prototype.emptyFunction;\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ node._countedByPrototype = _true;\r
+ return nodes;\r
+ },\r
+\r
+ unmark: function(nodes) {\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ node._countedByPrototype = undefined;\r
+ return nodes;\r
+ },\r
+\r
+ // mark each child node with its position (for nth calls)\r
+ // "ofType" flag indicates whether we're indexing for nth-of-type\r
+ // rather than nth-child\r
+ index: function(parentNode, reverse, ofType) {\r
+ parentNode._countedByPrototype = Prototype.emptyFunction;\r
+ if (reverse) {\r
+ for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {\r
+ var node = nodes[i];\r
+ if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;\r
+ }\r
+ } else {\r
+ for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)\r
+ if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;\r
+ }\r
+ },\r
+\r
+ // filters out duplicates and extends all nodes\r
+ unique: function(nodes) {\r
+ if (nodes.length == 0) return nodes;\r
+ var results = [], n;\r
+ for (var i = 0, l = nodes.length; i < l; i++)\r
+ if (!(n = nodes[i])._countedByPrototype) {\r
+ n._countedByPrototype = Prototype.emptyFunction;\r
+ results.push(Element.extend(n));\r
+ }\r
+ return Selector.handlers.unmark(results);\r
+ },\r
+\r
+ // COMBINATOR FUNCTIONS\r
+ descendant: function(nodes) {\r
+ var h = Selector.handlers;\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++)\r
+ h.concat(results, node.getElementsByTagName('*'));\r
+ return results;\r
+ },\r
+\r
+ child: function(nodes) {\r
+ var h = Selector.handlers;\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++) {\r
+ for (var j = 0, child; child = node.childNodes[j]; j++)\r
+ if (child.nodeType == 1 && child.tagName != '!') results.push(child);\r
+ }\r
+ return results;\r
+ },\r
+\r
+ adjacent: function(nodes) {\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++) {\r
+ var next = this.nextElementSibling(node);\r
+ if (next) results.push(next);\r
+ }\r
+ return results;\r
+ },\r
+\r
+ laterSibling: function(nodes) {\r
+ var h = Selector.handlers;\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++)\r
+ h.concat(results, Element.nextSiblings(node));\r
+ return results;\r
+ },\r
+\r
+ nextElementSibling: function(node) {\r
+ while (node = node.nextSibling)\r
+ if (node.nodeType == 1) return node;\r
+ return null;\r
+ },\r
+\r
+ previousElementSibling: function(node) {\r
+ while (node = node.previousSibling)\r
+ if (node.nodeType == 1) return node;\r
+ return null;\r
+ },\r
+\r
+ // TOKEN FUNCTIONS\r
+ tagName: function(nodes, root, tagName, combinator) {\r
+ var uTagName = tagName.toUpperCase();\r
+ var results = [], h = Selector.handlers;\r
+ if (nodes) {\r
+ if (combinator) {\r
+ // fastlane for ordinary descendant combinators\r
+ if (combinator == "descendant") {\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ h.concat(results, node.getElementsByTagName(tagName));\r
+ return results;\r
+ } else nodes = this[combinator](nodes);\r
+ if (tagName == "*") return nodes;\r
+ }\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ if (node.tagName.toUpperCase() === uTagName) results.push(node);\r
+ return results;\r
+ } else return root.getElementsByTagName(tagName);\r
+ },\r
+\r
+ id: function(nodes, root, id, combinator) {\r
+ var targetNode = $(id), h = Selector.handlers;\r
+ if (!targetNode) return [];\r
+ if (!nodes && root == document) return [targetNode];\r
+ if (nodes) {\r
+ if (combinator) {\r
+ if (combinator == 'child') {\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ if (targetNode.parentNode == node) return [targetNode];\r
+ } else if (combinator == 'descendant') {\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ if (Element.descendantOf(targetNode, node)) return [targetNode];\r
+ } else if (combinator == 'adjacent') {\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ if (Selector.handlers.previousElementSibling(targetNode) == node)\r
+ return [targetNode];\r
+ } else nodes = h[combinator](nodes);\r
+ }\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ if (node == targetNode) return [targetNode];\r
+ return [];\r
+ }\r
+ return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];\r
+ },\r
+\r
+ className: function(nodes, root, className, combinator) {\r
+ if (nodes && combinator) nodes = this[combinator](nodes);\r
+ return Selector.handlers.byClassName(nodes, root, className);\r
+ },\r
+\r
+ byClassName: function(nodes, root, className) {\r
+ if (!nodes) nodes = Selector.handlers.descendant([root]);\r
+ var needle = ' ' + className + ' ';\r
+ for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {\r
+ nodeClassName = node.className;\r
+ if (nodeClassName.length == 0) continue;\r
+ if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))\r
+ results.push(node);\r
+ }\r
+ return results;\r
+ },\r
+\r
+ attrPresence: function(nodes, root, attr, combinator) {\r
+ if (!nodes) nodes = root.getElementsByTagName("*");\r
+ if (nodes && combinator) nodes = this[combinator](nodes);\r
+ var results = [];\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ if (Element.hasAttribute(node, attr)) results.push(node);\r
+ return results;\r
+ },\r
+\r
+ attr: function(nodes, root, attr, value, operator, combinator) {\r
+ if (!nodes) nodes = root.getElementsByTagName("*");\r
+ if (nodes && combinator) nodes = this[combinator](nodes);\r
+ var handler = Selector.operators[operator], results = [];\r
+ for (var i = 0, node; node = nodes[i]; i++) {\r
+ var nodeValue = Element.readAttribute(node, attr);\r
+ if (nodeValue === null) continue;\r
+ if (handler(nodeValue, value)) results.push(node);\r
+ }\r
+ return results;\r
+ },\r
+\r
+ pseudo: function(nodes, name, value, root, combinator) {\r
+ if (nodes && combinator) nodes = this[combinator](nodes);\r
+ if (!nodes) nodes = root.getElementsByTagName("*");\r
+ return Selector.pseudos[name](nodes, value, root);\r
+ }\r
+ },\r
+\r
+ pseudos: {\r
+ 'first-child': function(nodes, value, root) {\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++) {\r
+ if (Selector.handlers.previousElementSibling(node)) continue;\r
+ results.push(node);\r
+ }\r
+ return results;\r
+ },\r
+ 'last-child': function(nodes, value, root) {\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++) {\r
+ if (Selector.handlers.nextElementSibling(node)) continue;\r
+ results.push(node);\r
+ }\r
+ return results;\r
+ },\r
+ 'only-child': function(nodes, value, root) {\r
+ var h = Selector.handlers;\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++)\r
+ if (!h.previousElementSibling(node) && !h.nextElementSibling(node))\r
+ results.push(node);\r
+ return results;\r
+ },\r
+ 'nth-child': function(nodes, formula, root) {\r
+ return Selector.pseudos.nth(nodes, formula, root);\r
+ },\r
+ 'nth-last-child': function(nodes, formula, root) {\r
+ return Selector.pseudos.nth(nodes, formula, root, true);\r
+ },\r
+ 'nth-of-type': function(nodes, formula, root) {\r
+ return Selector.pseudos.nth(nodes, formula, root, false, true);\r
+ },\r
+ 'nth-last-of-type': function(nodes, formula, root) {\r
+ return Selector.pseudos.nth(nodes, formula, root, true, true);\r
+ },\r
+ 'first-of-type': function(nodes, formula, root) {\r
+ return Selector.pseudos.nth(nodes, "1", root, false, true);\r
+ },\r
+ 'last-of-type': function(nodes, formula, root) {\r
+ return Selector.pseudos.nth(nodes, "1", root, true, true);\r
+ },\r
+ 'only-of-type': function(nodes, formula, root) {\r
+ var p = Selector.pseudos;\r
+ return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);\r
+ },\r
+\r
+ // handles the an+b logic\r
+ getIndices: function(a, b, total) {\r
+ if (a == 0) return b > 0 ? [b] : [];\r
+ return $R(1, total).inject([], function(memo, i) {\r
+ if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);\r
+ return memo;\r
+ });\r
+ },\r
+\r
+ // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type\r
+ nth: function(nodes, formula, root, reverse, ofType) {\r
+ if (nodes.length == 0) return [];\r
+ if (formula == 'even') formula = '2n+0';\r
+ if (formula == 'odd') formula = '2n+1';\r
+ var h = Selector.handlers, results = [], indexed = [], m;\r
+ h.mark(nodes);\r
+ for (var i = 0, node; node = nodes[i]; i++) {\r
+ if (!node.parentNode._countedByPrototype) {\r
+ h.index(node.parentNode, reverse, ofType);\r
+ indexed.push(node.parentNode);\r
+ }\r
+ }\r
+ if (formula.match(/^\d+$/)) { // just a number\r
+ formula = Number(formula);\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ if (node.nodeIndex == formula) results.push(node);\r
+ } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b\r
+ if (m[1] == "-") m[1] = -1;\r
+ var a = m[1] ? Number(m[1]) : 1;\r
+ var b = m[2] ? Number(m[2]) : 0;\r
+ var indices = Selector.pseudos.getIndices(a, b, nodes.length);\r
+ for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {\r
+ for (var j = 0; j < l; j++)\r
+ if (node.nodeIndex == indices[j]) results.push(node);\r
+ }\r
+ }\r
+ h.unmark(nodes);\r
+ h.unmark(indexed);\r
+ return results;\r
+ },\r
+\r
+ 'empty': function(nodes, value, root) {\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++) {\r
+ // IE treats comments as element nodes\r
+ if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;\r
+ results.push(node);\r
+ }\r
+ return results;\r
+ },\r
+\r
+ 'not': function(nodes, selector, root) {\r
+ var h = Selector.handlers, selectorType, m;\r
+ var exclusions = new Selector(selector).findElements(root);\r
+ h.mark(exclusions);\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++)\r
+ if (!node._countedByPrototype) results.push(node);\r
+ h.unmark(exclusions);\r
+ return results;\r
+ },\r
+\r
+ 'enabled': function(nodes, value, root) {\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++)\r
+ if (!node.disabled) results.push(node);\r
+ return results;\r
+ },\r
+\r
+ 'disabled': function(nodes, value, root) {\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++)\r
+ if (node.disabled) results.push(node);\r
+ return results;\r
+ },\r
+\r
+ 'checked': function(nodes, value, root) {\r
+ for (var i = 0, results = [], node; node = nodes[i]; i++)\r
+ if (node.checked) results.push(node);\r
+ return results;\r
+ }\r
+ },\r
+\r
+ operators: {\r
+ '=': function(nv, v) { return nv == v; },\r
+ '!=': function(nv, v) { return nv != v; },\r
+ '^=': function(nv, v) { return nv.startsWith(v); },\r
+ '$=': function(nv, v) { return nv.endsWith(v); },\r
+ '*=': function(nv, v) { return nv.include(v); },\r
+ '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },\r
+ '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }\r
+ },\r
+\r
+ split: function(expression) {\r
+ var expressions = [];\r
+ expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {\r
+ expressions.push(m[1].strip());\r
+ });\r
+ return expressions;\r
+ },\r
+\r
+ matchElements: function(elements, expression) {\r
+ var matches = $$(expression), h = Selector.handlers;\r
+ h.mark(matches);\r
+ for (var i = 0, results = [], element; element = elements[i]; i++)\r
+ if (element._countedByPrototype) results.push(element);\r
+ h.unmark(matches);\r
+ return results;\r
+ },\r
+\r
+ findElement: function(elements, expression, index) {\r
+ if (Object.isNumber(expression)) {\r
+ index = expression; expression = false;\r
+ }\r
+ return Selector.matchElements(elements, expression || '*')[index || 0];\r
+ },\r
+\r
+ findChildElements: function(element, expressions) {\r
+ expressions = Selector.split(expressions.join(','));\r
+ var results = [], h = Selector.handlers;\r
+ for (var i = 0, l = expressions.length, selector; i < l; i++) {\r
+ selector = new Selector(expressions[i].strip());\r
+ h.concat(results, selector.findElements(element));\r
+ }\r
+ return (l > 1) ? h.unique(results) : results;\r
+ }\r
+});\r
+\r
+if (Prototype.Browser.IE) {\r
+ Object.extend(Selector.handlers, {\r
+ // IE returns comment nodes on getElementsByTagName("*").\r
+ // Filter them out.\r
+ concat: function(a, b) {\r
+ for (var i = 0, node; node = b[i]; i++)\r
+ if (node.tagName !== "!") a.push(node);\r
+ return a;\r
+ },\r
+\r
+ // IE improperly serializes _countedByPrototype in (inner|outer)HTML.\r
+ unmark: function(nodes) {\r
+ for (var i = 0, node; node = nodes[i]; i++)\r
+ node.removeAttribute('_countedByPrototype');\r
+ return nodes;\r
+ }\r
+ });\r
+}\r
+\r
+function $$() {\r
+ return Selector.findChildElements(document, $A(arguments));\r
+}\r
+var Form = {\r
+ reset: function(form) {\r
+ $(form).reset();\r
+ return form;\r
+ },\r
+\r
+ serializeElements: function(elements, options) {\r
+ if (typeof options != 'object') options = { hash: !!options };\r
+ else if (Object.isUndefined(options.hash)) options.hash = true;\r
+ var key, value, submitted = false, submit = options.submit;\r
+\r
+ var data = elements.inject({ }, function(result, element) {\r
+ if (!element.disabled && element.name) {\r
+ key = element.name; value = $(element).getValue();\r
+ if (value != null && (element.type != 'submit' || (!submitted &&\r
+ submit !== false && (!submit || key == submit) && (submitted = true)))) {\r
+ if (key in result) {\r
+ // a key is already present; construct an array of values\r
+ if (!Object.isArray(result[key])) result[key] = [result[key]];\r
+ result[key].push(value);\r
+ }\r
+ else result[key] = value;\r
+ }\r
+ }\r
+ return result;\r
+ });\r
+\r
+ return options.hash ? data : Object.toQueryString(data);\r
+ }\r
+};\r
+\r
+Form.Methods = {\r
+ serialize: function(form, options) {\r
+ return Form.serializeElements(Form.getElements(form), options);\r
+ },\r
+\r
+ getElements: function(form) {\r
+ return $A($(form).getElementsByTagName('*')).inject([],\r
+ function(elements, child) {\r
+ if (Form.Element.Serializers[child.tagName.toLowerCase()])\r
+ elements.push(Element.extend(child));\r
+ return elements;\r
+ }\r
+ );\r
+ },\r
+\r
+ getInputs: function(form, typeName, name) {\r
+ form = $(form);\r
+ var inputs = form.getElementsByTagName('input');\r
+\r
+ if (!typeName && !name) return $A(inputs).map(Element.extend);\r
+\r
+ for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {\r
+ var input = inputs[i];\r
+ if ((typeName && input.type != typeName) || (name && input.name != name))\r
+ continue;\r
+ matchingInputs.push(Element.extend(input));\r
+ }\r
+\r
+ return matchingInputs;\r
+ },\r
+\r
+ disable: function(form) {\r
+ form = $(form);\r
+ Form.getElements(form).invoke('disable');\r
+ return form;\r
+ },\r
+\r
+ enable: function(form) {\r
+ form = $(form);\r
+ Form.getElements(form).invoke('enable');\r
+ return form;\r
+ },\r
+\r
+ findFirstElement: function(form) {\r
+ var elements = $(form).getElements().findAll(function(element) {\r
+ return 'hidden' != element.type && !element.disabled;\r
+ });\r
+ var firstByIndex = elements.findAll(function(element) {\r
+ return element.hasAttribute('tabIndex') && element.tabIndex >= 0;\r
+ }).sortBy(function(element) { return element.tabIndex }).first();\r
+\r
+ return firstByIndex ? firstByIndex : elements.find(function(element) {\r
+ return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());\r
+ });\r
+ },\r
+\r
+ focusFirstElement: function(form) {\r
+ form = $(form);\r
+ form.findFirstElement().activate();\r
+ return form;\r
+ },\r
+\r
+ request: function(form, options) {\r
+ form = $(form), options = Object.clone(options || { });\r
+\r
+ var params = options.parameters, action = form.readAttribute('action') || '';\r
+ if (action.blank()) action = window.location.href;\r
+ options.parameters = form.serialize(true);\r
+\r
+ if (params) {\r
+ if (Object.isString(params)) params = params.toQueryParams();\r
+ Object.extend(options.parameters, params);\r
+ }\r
+\r
+ if (form.hasAttribute('method') && !options.method)\r
+ options.method = form.method;\r
+\r
+ return new Ajax.Request(action, options);\r
+ }\r
+};\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Form.Element = {\r
+ focus: function(element) {\r
+ $(element).focus();\r
+ return element;\r
+ },\r
+\r
+ select: function(element) {\r
+ $(element).select();\r
+ return element;\r
+ }\r
+};\r
+\r
+Form.Element.Methods = {\r
+ serialize: function(element) {\r
+ element = $(element);\r
+ if (!element.disabled && element.name) {\r
+ var value = element.getValue();\r
+ if (value != undefined) {\r
+ var pair = { };\r
+ pair[element.name] = value;\r
+ return Object.toQueryString(pair);\r
+ }\r
+ }\r
+ return '';\r
+ },\r
+\r
+ getValue: function(element) {\r
+ element = $(element);\r
+ var method = element.tagName.toLowerCase();\r
+ return Form.Element.Serializers[method](element);\r
+ },\r
+\r
+ setValue: function(element, value) {\r
+ element = $(element);\r
+ var method = element.tagName.toLowerCase();\r
+ Form.Element.Serializers[method](element, value);\r
+ return element;\r
+ },\r
+\r
+ clear: function(element) {\r
+ $(element).value = '';\r
+ return element;\r
+ },\r
+\r
+ present: function(element) {\r
+ return $(element).value != '';\r
+ },\r
+\r
+ activate: function(element) {\r
+ element = $(element);\r
+ try {\r
+ element.focus();\r
+ if (element.select && (element.tagName.toLowerCase() != 'input' ||\r
+ !['button', 'reset', 'submit'].include(element.type)))\r
+ element.select();\r
+ } catch (e) { }\r
+ return element;\r
+ },\r
+\r
+ disable: function(element) {\r
+ element = $(element);\r
+ element.blur();\r
+ element.disabled = true;\r
+ return element;\r
+ },\r
+\r
+ enable: function(element) {\r
+ element = $(element);\r
+ element.disabled = false;\r
+ return element;\r
+ }\r
+};\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+var Field = Form.Element;\r
+var $F = Form.Element.Methods.getValue;\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Form.Element.Serializers = {\r
+ input: function(element, value) {\r
+ switch (element.type.toLowerCase()) {\r
+ case 'checkbox':\r
+ case 'radio':\r
+ return Form.Element.Serializers.inputSelector(element, value);\r
+ default:\r
+ return Form.Element.Serializers.textarea(element, value);\r
+ }\r
+ },\r
+\r
+ inputSelector: function(element, value) {\r
+ if (Object.isUndefined(value)) return element.checked ? element.value : null;\r
+ else element.checked = !!value;\r
+ },\r
+\r
+ textarea: function(element, value) {\r
+ if (Object.isUndefined(value)) return element.value;\r
+ else element.value = value;\r
+ },\r
+\r
+ select: function(element, index) {\r
+ if (Object.isUndefined(index))\r
+ return this[element.type == 'select-one' ?\r
+ 'selectOne' : 'selectMany'](element);\r
+ else {\r
+ var opt, value, single = !Object.isArray(index);\r
+ for (var i = 0, length = element.length; i < length; i++) {\r
+ opt = element.options[i];\r
+ value = this.optionValue(opt);\r
+ if (single) {\r
+ if (value == index) {\r
+ opt.selected = true;\r
+ return;\r
+ }\r
+ }\r
+ else opt.selected = index.include(value);\r
+ }\r
+ }\r
+ },\r
+\r
+ selectOne: function(element) {\r
+ var index = element.selectedIndex;\r
+ return index >= 0 ? this.optionValue(element.options[index]) : null;\r
+ },\r
+\r
+ selectMany: function(element) {\r
+ var values, length = element.length;\r
+ if (!length) return null;\r
+\r
+ for (var i = 0, values = []; i < length; i++) {\r
+ var opt = element.options[i];\r
+ if (opt.selected) values.push(this.optionValue(opt));\r
+ }\r
+ return values;\r
+ },\r
+\r
+ optionValue: function(opt) {\r
+ // extend element because hasAttribute may not be native\r
+ return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;\r
+ }\r
+};\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Abstract.TimedObserver = Class.create(PeriodicalExecuter, {\r
+ initialize: function($super, element, frequency, callback) {\r
+ $super(callback, frequency);\r
+ this.element = $(element);\r
+ this.lastValue = this.getValue();\r
+ },\r
+\r
+ execute: function() {\r
+ var value = this.getValue();\r
+ if (Object.isString(this.lastValue) && Object.isString(value) ?\r
+ this.lastValue != value : String(this.lastValue) != String(value)) {\r
+ this.callback(this.element, value);\r
+ this.lastValue = value;\r
+ }\r
+ }\r
+});\r
+\r
+Form.Element.Observer = Class.create(Abstract.TimedObserver, {\r
+ getValue: function() {\r
+ return Form.Element.getValue(this.element);\r
+ }\r
+});\r
+\r
+Form.Observer = Class.create(Abstract.TimedObserver, {\r
+ getValue: function() {\r
+ return Form.serialize(this.element);\r
+ }\r
+});\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Abstract.EventObserver = Class.create({\r
+ initialize: function(element, callback) {\r
+ this.element = $(element);\r
+ this.callback = callback;\r
+\r
+ this.lastValue = this.getValue();\r
+ if (this.element.tagName.toLowerCase() == 'form')\r
+ this.registerFormCallbacks();\r
+ else\r
+ this.registerCallback(this.element);\r
+ },\r
+\r
+ onElementEvent: function() {\r
+ var value = this.getValue();\r
+ if (this.lastValue != value) {\r
+ this.callback(this.element, value);\r
+ this.lastValue = value;\r
+ }\r
+ },\r
+\r
+ registerFormCallbacks: function() {\r
+ Form.getElements(this.element).each(this.registerCallback, this);\r
+ },\r
+\r
+ registerCallback: function(element) {\r
+ if (element.type) {\r
+ switch (element.type.toLowerCase()) {\r
+ case 'checkbox':\r
+ case 'radio':\r
+ Event.observe(element, 'click', this.onElementEvent.bind(this));\r
+ break;\r
+ default:\r
+ Event.observe(element, 'change', this.onElementEvent.bind(this));\r
+ break;\r
+ }\r
+ }\r
+ }\r
+});\r
+\r
+Form.Element.EventObserver = Class.create(Abstract.EventObserver, {\r
+ getValue: function() {\r
+ return Form.Element.getValue(this.element);\r
+ }\r
+});\r
+\r
+Form.EventObserver = Class.create(Abstract.EventObserver, {\r
+ getValue: function() {\r
+ return Form.serialize(this.element);\r
+ }\r
+});\r
+if (!window.Event) var Event = { };\r
+\r
+Object.extend(Event, {\r
+ KEY_BACKSPACE: 8,\r
+ KEY_TAB: 9,\r
+ KEY_RETURN: 13,\r
+ KEY_ESC: 27,\r
+ KEY_LEFT: 37,\r
+ KEY_UP: 38,\r
+ KEY_RIGHT: 39,\r
+ KEY_DOWN: 40,\r
+ KEY_DELETE: 46,\r
+ KEY_HOME: 36,\r
+ KEY_END: 35,\r
+ KEY_PAGEUP: 33,\r
+ KEY_PAGEDOWN: 34,\r
+ KEY_INSERT: 45,\r
+\r
+ cache: { },\r
+\r
+ relatedTarget: function(event) {\r
+ var element;\r
+ switch(event.type) {\r
+ case 'mouseover': element = event.fromElement; break;\r
+ case 'mouseout': element = event.toElement; break;\r
+ default: return null;\r
+ }\r
+ return Element.extend(element);\r
+ }\r
+});\r
+\r
+Event.Methods = (function() {\r
+ var isButton;\r
+\r
+ if (Prototype.Browser.IE) {\r
+ var buttonMap = { 0: 1, 1: 4, 2: 2 };\r
+ isButton = function(event, code) {\r
+ return event.button == buttonMap[code];\r
+ };\r
+\r
+ } else if (Prototype.Browser.WebKit) {\r
+ isButton = function(event, code) {\r
+ switch (code) {\r
+ case 0: return event.which == 1 && !event.metaKey;\r
+ case 1: return event.which == 1 && event.metaKey;\r
+ default: return false;\r
+ }\r
+ };\r
+\r
+ } else {\r
+ isButton = function(event, code) {\r
+ return event.which ? (event.which === code + 1) : (event.button === code);\r
+ };\r
+ }\r
+\r
+ return {\r
+ isLeftClick: function(event) { return isButton(event, 0) },\r
+ isMiddleClick: function(event) { return isButton(event, 1) },\r
+ isRightClick: function(event) { return isButton(event, 2) },\r
+\r
+ element: function(event) {\r
+ var node = Event.extend(event).target;\r
+ return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);\r
+ },\r
+\r
+ findElement: function(event, expression) {\r
+ var element = Event.element(event);\r
+ if (!expression) return element;\r
+ var elements = [element].concat(element.ancestors());\r
+ return Selector.findElement(elements, expression, 0);\r
+ },\r
+\r
+ pointer: function(event) {\r
+ return {\r
+ x: event.pageX || (event.clientX +\r
+ (document.documentElement.scrollLeft || document.body.scrollLeft)),\r
+ y: event.pageY || (event.clientY +\r
+ (document.documentElement.scrollTop || document.body.scrollTop))\r
+ };\r
+ },\r
+\r
+ pointerX: function(event) { return Event.pointer(event).x },\r
+ pointerY: function(event) { return Event.pointer(event).y },\r
+\r
+ stop: function(event) {\r
+ Event.extend(event);\r
+ event.preventDefault();\r
+ event.stopPropagation();\r
+ event.stopped = true;\r
+ }\r
+ };\r
+})();\r
+\r
+Event.extend = (function() {\r
+ var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {\r
+ m[name] = Event.Methods[name].methodize();\r
+ return m;\r
+ });\r
+\r
+ if (Prototype.Browser.IE) {\r
+ Object.extend(methods, {\r
+ stopPropagation: function() { this.cancelBubble = true },\r
+ preventDefault: function() { this.returnValue = false },\r
+ inspect: function() { return "[object Event]" }\r
+ });\r
+\r
+ return function(event) {\r
+ if (!event) return false;\r
+ if (event._extendedByPrototype) return event;\r
+\r
+ event._extendedByPrototype = Prototype.emptyFunction;\r
+ var pointer = Event.pointer(event);\r
+ Object.extend(event, {\r
+ target: event.srcElement,\r
+ relatedTarget: Event.relatedTarget(event),\r
+ pageX: pointer.x,\r
+ pageY: pointer.y\r
+ });\r
+ return Object.extend(event, methods);\r
+ };\r
+\r
+ } else {\r
+ Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;\r
+ Object.extend(Event.prototype, methods);\r
+ return Prototype.K;\r
+ }\r
+})();\r
+\r
+Object.extend(Event, (function() {\r
+ var cache = Event.cache;\r
+\r
+ function getEventID(element) {\r
+ if (element._prototypeEventID) return element._prototypeEventID[0];\r
+ arguments.callee.id = arguments.callee.id || 1;\r
+ return element._prototypeEventID = [++arguments.callee.id];\r
+ }\r
+\r
+ function getDOMEventName(eventName) {\r
+ if (eventName && eventName.include(':')) return "dataavailable";\r
+ return eventName;\r
+ }\r
+\r
+ function getCacheForID(id) {\r
+ return cache[id] = cache[id] || { };\r
+ }\r
+\r
+ function getWrappersForEventName(id, eventName) {\r
+ var c = getCacheForID(id);\r
+ return c[eventName] = c[eventName] || [];\r
+ }\r
+\r
+ function createWrapper(element, eventName, handler) {\r
+ var id = getEventID(element);\r
+ var c = getWrappersForEventName(id, eventName);\r
+ if (c.pluck("handler").include(handler)) return false;\r
+\r
+ var wrapper = function(event) {\r
+ if (!Event || !Event.extend ||\r
+ (event.eventName && event.eventName != eventName))\r
+ return false;\r
+\r
+ Event.extend(event);\r
+ handler.call(element, event);\r
+ };\r
+\r
+ wrapper.handler = handler;\r
+ c.push(wrapper);\r
+ return wrapper;\r
+ }\r
+\r
+ function findWrapper(id, eventName, handler) {\r
+ var c = getWrappersForEventName(id, eventName);\r
+ return c.find(function(wrapper) { return wrapper.handler == handler });\r
+ }\r
+\r
+ function destroyWrapper(id, eventName, handler) {\r
+ var c = getCacheForID(id);\r
+ if (!c[eventName]) return false;\r
+ c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));\r
+ }\r
+\r
+ function destroyCache() {\r
+ for (var id in cache)\r
+ for (var eventName in cache[id])\r
+ cache[id][eventName] = null;\r
+ }\r
+\r
+ if (window.attachEvent) {\r
+ window.attachEvent("onunload", destroyCache);\r
+ }\r
+\r
+ return {\r
+ observe: function(element, eventName, handler) {\r
+ element = $(element);\r
+ var name = getDOMEventName(eventName);\r
+\r
+ var wrapper = createWrapper(element, eventName, handler);\r
+ if (!wrapper) return element;\r
+\r
+ if (element.addEventListener) {\r
+ element.addEventListener(name, wrapper, false);\r
+ } else {\r
+ element.attachEvent("on" + name, wrapper);\r
+ }\r
+\r
+ return element;\r
+ },\r
+\r
+ stopObserving: function(element, eventName, handler) {\r
+ element = $(element);\r
+ var id = getEventID(element), name = getDOMEventName(eventName);\r
+\r
+ if (!handler && eventName) {\r
+ getWrappersForEventName(id, eventName).each(function(wrapper) {\r
+ element.stopObserving(eventName, wrapper.handler);\r
+ });\r
+ return element;\r
+\r
+ } else if (!eventName) {\r
+ Object.keys(getCacheForID(id)).each(function(eventName) {\r
+ element.stopObserving(eventName);\r
+ });\r
+ return element;\r
+ }\r
+\r
+ var wrapper = findWrapper(id, eventName, handler);\r
+ if (!wrapper) return element;\r
+\r
+ if (element.removeEventListener) {\r
+ element.removeEventListener(name, wrapper, false);\r
+ } else {\r
+ element.detachEvent("on" + name, wrapper);\r
+ }\r
+\r
+ destroyWrapper(id, eventName, handler);\r
+\r
+ return element;\r
+ },\r
+\r
+ fire: function(element, eventName, memo) {\r
+ element = $(element);\r
+ if (element == document && document.createEvent && !element.dispatchEvent)\r
+ element = document.documentElement;\r
+\r
+ var event;\r
+ if (document.createEvent) {\r
+ event = document.createEvent("HTMLEvents");\r
+ event.initEvent("dataavailable", true, true);\r
+ } else {\r
+ event = document.createEventObject();\r
+ event.eventType = "ondataavailable";\r
+ }\r
+\r
+ event.eventName = eventName;\r
+ event.memo = memo || { };\r
+\r
+ if (document.createEvent) {\r
+ element.dispatchEvent(event);\r
+ } else {\r
+ element.fireEvent(event.eventType, event);\r
+ }\r
+\r
+ return Event.extend(event);\r
+ }\r
+ };\r
+})());\r
+\r
+Object.extend(Event, Event.Methods);\r
+\r
+Element.addMethods({\r
+ fire: Event.fire,\r
+ observe: Event.observe,\r
+ stopObserving: Event.stopObserving\r
+});\r
+\r
+Object.extend(document, {\r
+ fire: Element.Methods.fire.methodize(),\r
+ observe: Element.Methods.observe.methodize(),\r
+ stopObserving: Element.Methods.stopObserving.methodize(),\r
+ loaded: false\r
+});\r
+\r
+(function() {\r
+ /* Support for the DOMContentLoaded event is based on work by Dan Webb,\r
+ Matthias Miller, Dean Edwards and John Resig. */\r
+\r
+ var timer;\r
+\r
+ function fireContentLoadedEvent() {\r
+ if (document.loaded) return;\r
+ if (timer) window.clearInterval(timer);\r
+ document.fire("dom:loaded");\r
+ document.loaded = true;\r
+ }\r
+\r
+ if (document.addEventListener) {\r
+ if (Prototype.Browser.WebKit) {\r
+ timer = window.setInterval(function() {\r
+ if (/loaded|complete/.test(document.readyState))\r
+ fireContentLoadedEvent();\r
+ }, 0);\r
+\r
+ Event.observe(window, "load", fireContentLoadedEvent);\r
+\r
+ } else {\r
+ document.addEventListener("DOMContentLoaded",\r
+ fireContentLoadedEvent, false);\r
+ }\r
+\r
+ } else {\r
+ document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");\r
+ $("__onDOMContentLoaded").onreadystatechange = function() {\r
+ if (this.readyState == "complete") {\r
+ this.onreadystatechange = null;\r
+ fireContentLoadedEvent();\r
+ }\r
+ };\r
+ }\r
+})();\r
+/*------------------------------- DEPRECATED -------------------------------*/\r
+\r
+Hash.toQueryString = Object.toQueryString;\r
+\r
+var Toggle = { display: Element.toggle };\r
+\r
+Element.Methods.childOf = Element.Methods.descendantOf;\r
+\r
+var Insertion = {\r
+ Before: function(element, content) {\r
+ return Element.insert(element, {before:content});\r
+ },\r
+\r
+ Top: function(element, content) {\r
+ return Element.insert(element, {top:content});\r
+ },\r
+\r
+ Bottom: function(element, content) {\r
+ return Element.insert(element, {bottom:content});\r
+ },\r
+\r
+ After: function(element, content) {\r
+ return Element.insert(element, {after:content});\r
+ }\r
+};\r
+\r
+var $continue = new Error('"throw $continue" is deprecated, use "return" instead');\r
+\r
+// This should be moved to script.aculo.us; notice the deprecated methods\r
+// further below, that map to the newer Element methods.\r
+var Position = {\r
+ // set to true if needed, warning: firefox performance problems\r
+ // NOT neeeded for page scrolling, only if draggable contained in\r
+ // scrollable elements\r
+ includeScrollOffsets: false,\r
+\r
+ // must be called before calling withinIncludingScrolloffset, every time the\r
+ // page is scrolled\r
+ prepare: function() {\r
+ this.deltaX = window.pageXOffset\r
+ || document.documentElement.scrollLeft\r
+ || document.body.scrollLeft\r
+ || 0;\r
+ this.deltaY = window.pageYOffset\r
+ || document.documentElement.scrollTop\r
+ || document.body.scrollTop\r
+ || 0;\r
+ },\r
+\r
+ // caches x/y coordinate pair to use with overlap\r
+ within: function(element, x, y) {\r
+ if (this.includeScrollOffsets)\r
+ return this.withinIncludingScrolloffsets(element, x, y);\r
+ this.xcomp = x;\r
+ this.ycomp = y;\r
+ this.offset = Element.cumulativeOffset(element);\r
+\r
+ return (y >= this.offset[1] &&\r
+ y < this.offset[1] + element.offsetHeight &&\r
+ x >= this.offset[0] &&\r
+ x < this.offset[0] + element.offsetWidth);\r
+ },\r
+\r
+ withinIncludingScrolloffsets: function(element, x, y) {\r
+ var offsetcache = Element.cumulativeScrollOffset(element);\r
+\r
+ this.xcomp = x + offsetcache[0] - this.deltaX;\r
+ this.ycomp = y + offsetcache[1] - this.deltaY;\r
+ this.offset = Element.cumulativeOffset(element);\r
+\r
+ return (this.ycomp >= this.offset[1] &&\r
+ this.ycomp < this.offset[1] + element.offsetHeight &&\r
+ this.xcomp >= this.offset[0] &&\r
+ this.xcomp < this.offset[0] + element.offsetWidth);\r
+ },\r
+\r
+ // within must be called directly before\r
+ overlap: function(mode, element) {\r
+ if (!mode) return 0;\r
+ if (mode == 'vertical')\r
+ return ((this.offset[1] + element.offsetHeight) - this.ycomp) /\r
+ element.offsetHeight;\r
+ if (mode == 'horizontal')\r
+ return ((this.offset[0] + element.offsetWidth) - this.xcomp) /\r
+ element.offsetWidth;\r
+ },\r
+\r
+ // Deprecation layer -- use newer Element methods now (1.5.2).\r
+\r
+ cumulativeOffset: Element.Methods.cumulativeOffset,\r
+\r
+ positionedOffset: Element.Methods.positionedOffset,\r
+\r
+ absolutize: function(element) {\r
+ Position.prepare();\r
+ return Element.absolutize(element);\r
+ },\r
+\r
+ relativize: function(element) {\r
+ Position.prepare();\r
+ return Element.relativize(element);\r
+ },\r
+\r
+ realOffset: Element.Methods.cumulativeScrollOffset,\r
+\r
+ offsetParent: Element.Methods.getOffsetParent,\r
+\r
+ page: Element.Methods.viewportOffset,\r
+\r
+ clone: function(source, target, options) {\r
+ options = options || { };\r
+ return Element.clonePosition(target, source, options);\r
+ }\r
+};\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){\r
+ function iter(name) {\r
+ return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";\r
+ }\r
+\r
+ instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?\r
+ function(element, className) {\r
+ className = className.toString().strip();\r
+ var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);\r
+ return cond ? document._getElementsByXPath('.//*' + cond, element) : [];\r
+ } : function(element, className) {\r
+ className = className.toString().strip();\r
+ var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);\r
+ if (!classNames && !className) return elements;\r
+\r
+ var nodes = $(element).getElementsByTagName('*');\r
+ className = ' ' + className + ' ';\r
+\r
+ for (var i = 0, child, cn; child = nodes[i]; i++) {\r
+ if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||\r
+ (classNames && classNames.all(function(name) {\r
+ return !name.toString().blank() && cn.include(' ' + name + ' ');\r
+ }))))\r
+ elements.push(Element.extend(child));\r
+ }\r
+ return elements;\r
+ };\r
+\r
+ return function(className, parentElement) {\r
+ return $(parentElement || document.body).getElementsByClassName(className);\r
+ };\r
+}(Element.Methods);\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Element.ClassNames = Class.create();\r
+Element.ClassNames.prototype = {\r
+ initialize: function(element) {\r
+ this.element = $(element);\r
+ },\r
+\r
+ _each: function(iterator) {\r
+ this.element.className.split(/\s+/).select(function(name) {\r
+ return name.length > 0;\r
+ })._each(iterator);\r
+ },\r
+\r
+ set: function(className) {\r
+ this.element.className = className;\r
+ },\r
+\r
+ add: function(classNameToAdd) {\r
+ if (this.include(classNameToAdd)) return;\r
+ this.set($A(this).concat(classNameToAdd).join(' '));\r
+ },\r
+\r
+ remove: function(classNameToRemove) {\r
+ if (!this.include(classNameToRemove)) return;\r
+ this.set($A(this).without(classNameToRemove).join(' '));\r
+ },\r
+\r
+ toString: function() {\r
+ return $A(this).join(' ');\r
+ }\r
+};\r
+\r
+Object.extend(Element.ClassNames.prototype, Enumerable);\r
+\r
+/*--------------------------------------------------------------------------*/\r
+\r
+Element.addMethods();
\ No newline at end of file
projects / telemeta.git / commitdiff
