| /* Prototype JavaScript framework, version 1.5.1 |
| * (c) 2005-2007 Sam Stephenson |
| * |
| * Prototype is freely distributable under the terms of an MIT-style license. |
| * For details, see the Prototype web site: http://www.prototypejs.org/ |
| * |
| /*--------------------------------------------------------------------------*/ |
| |
| var Prototype = { |
| Version: '1.5.1', |
| |
| Browser: { |
| IE: !!(window.attachEvent && !window.opera), |
| Opera: !!window.opera, |
| WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, |
| Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1 |
| }, |
| |
| BrowserFeatures: { |
| XPath: !!document.evaluate, |
| ElementExtensions: !!window.HTMLElement, |
| SpecificElementExtensions: |
| (document.createElement('div').__proto__ !== |
| document.createElement('form').__proto__) |
| }, |
| |
| ScriptFragment: '<script[^>]*>([\u0001-\uFFFF]*?)</script>', |
| JSONFilter: /^\/\*-secure-\s*(.*)\s*\*\/\s*$/, |
| |
| emptyFunction: function() { }, |
| K: function(x) { return x } |
| } |
| |
| var Class = { |
| create: function() { |
| return function() { |
| this.initialize.apply(this, arguments); |
| } |
| } |
| } |
| |
| var Abstract = new Object(); |
| |
| Object.extend = function(destination, source) { |
| for (var property in source) { |
| destination[property] = source[property]; |
| } |
| return destination; |
| } |
| |
| Object.extend(Object, { |
| inspect: function(object) { |
| try { |
| if (object === undefined) return 'undefined'; |
| if (object === null) return 'null'; |
| return object.inspect ? object.inspect() : object.toString(); |
| } catch (e) { |
| if (e instanceof RangeError) return '...'; |
| throw e; |
| } |
| }, |
| |
| toJSON: function(object) { |
| var type = typeof object; |
| switch(type) { |
| case 'undefined': |
| case 'function': |
| case 'unknown': return; |
| case 'boolean': return object.toString(); |
| } |
| if (object === null) return 'null'; |
| if (object.toJSON) return object.toJSON(); |
| if (object.ownerDocument === document) return; |
| var results = []; |
| for (var property in object) { |
| var value = Object.toJSON(object[property]); |
| if (value !== undefined) |
| results.push(property.toJSON() + ': ' + value); |
| } |
| return '{' + results.join(', ') + '}'; |
| }, |
| |
| keys: function(object) { |
| var keys = []; |
| for (var property in object) |
| keys.push(property); |
| return keys; |
| }, |
| |
| values: function(object) { |
| var values = []; |
| for (var property in object) |
| values.push(object[property]); |
| return values; |
| }, |
| |
| clone: function(object) { |
| return Object.extend({}, object); |
| } |
| }); |
| |
| Function.prototype.bind = function() { |
| var __method = this, args = $A(arguments), object = args.shift(); |
| return function() { |
| return __method.apply(object, args.concat($A(arguments))); |
| } |
| } |
| |
| Function.prototype.bindAsEventListener = function(object) { |
| var __method = this, args = $A(arguments), object = args.shift(); |
| return function(event) { |
| return __method.apply(object, [event || window.event].concat(args)); |
| } |
| } |
| |
| Object.extend(Number.prototype, { |
| toColorPart: function() { |
| return this.toPaddedString(2, 16); |
| }, |
| |
| succ: function() { |
| return this + 1; |
| }, |
| |
| times: function(iterator) { |
| $R(0, this, true).each(iterator); |
| return this; |
| }, |
| |
| toPaddedString: function(length, radix) { |
| var string = this.toString(radix || 10); |
| return '0'.times(length - string.length) + string; |
| }, |
| |
| toJSON: function() { |
| return isFinite(this) ? this.toString() : 'null'; |
| } |
| }); |
| |
| Date.prototype.toJSON = function() { |
| return '"' + this.getFullYear() + '-' + |
| (this.getMonth() + 1).toPaddedString(2) + '-' + |
| this.getDate().toPaddedString(2) + 'T' + |
| this.getHours().toPaddedString(2) + ':' + |
| this.getMinutes().toPaddedString(2) + ':' + |
| this.getSeconds().toPaddedString(2) + '"'; |
| }; |
| |
| var Try = { |
| these: function() { |
| var returnValue; |
| |
| for (var i = 0, length = arguments.length; i < length; i++) { |
| var lambda = arguments[i]; |
| try { |
| returnValue = lambda(); |
| break; |
| } catch (e) {} |
| } |
| |
| return returnValue; |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| var PeriodicalExecuter = Class.create(); |
| PeriodicalExecuter.prototype = { |
| initialize: function(callback, frequency) { |
| this.callback = callback; |
| this.frequency = frequency; |
| this.currentlyExecuting = false; |
| |
| this.registerCallback(); |
| }, |
| |
| registerCallback: function() { |
| this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
| }, |
| |
| stop: function() { |
| if (!this.timer) return; |
| clearInterval(this.timer); |
| this.timer = null; |
| }, |
| |
| onTimerEvent: function() { |
| if (!this.currentlyExecuting) { |
| try { |
| this.currentlyExecuting = true; |
| this.callback(this); |
| } finally { |
| this.currentlyExecuting = false; |
| } |
| } |
| } |
| } |
| Object.extend(String, { |
| interpret: function(value) { |
| return value == null ? '' : String(value); |
| }, |
| specialChar: { |
| '\b': '\\b', |
| '\t': '\\t', |
| '\n': '\\n', |
| '\f': '\\f', |
| '\r': '\\r', |
| '\\': '\\\\' |
| } |
| }); |
| |
| Object.extend(String.prototype, { |
| gsub: function(pattern, replacement) { |
| var result = '', source = this, match; |
| replacement = arguments.callee.prepareReplacement(replacement); |
| |
| while (source.length > 0) { |
| if (match = source.match(pattern)) { |
| result += source.slice(0, match.index); |
| result += String.interpret(replacement(match)); |
| source = source.slice(match.index + match[0].length); |
| } else { |
| result += source, source = ''; |
| } |
| } |
| return result; |
| }, |
| |
| sub: function(pattern, replacement, count) { |
| replacement = this.gsub.prepareReplacement(replacement); |
| count = count === undefined ? 1 : count; |
| |
| return this.gsub(pattern, function(match) { |
| if (--count < 0) return match[0]; |
| return replacement(match); |
| }); |
| }, |
| |
| scan: function(pattern, iterator) { |
| this.gsub(pattern, iterator); |
| return this; |
| }, |
| |
| truncate: function(length, truncation) { |
| length = length || 30; |
| truncation = truncation === undefined ? '...' : truncation; |
| return this.length > length ? |
| this.slice(0, length - truncation.length) + truncation : this; |
| }, |
| |
| strip: function() { |
| return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
| }, |
| |
| stripTags: function() { |
| return this.replace(/<\/?[^>]+>/gi, ''); |
| }, |
| |
| stripScripts: function() { |
| return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
| }, |
| |
| extractScripts: function() { |
| var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
| var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
| return (this.match(matchAll) || []).map(function(scriptTag) { |
| return (scriptTag.match(matchOne) || ['', ''])[1]; |
| }); |
| }, |
| |
| evalScripts: function() { |
| return this.extractScripts().map(function(script) { return eval(script) }); |
| }, |
| |
| escapeHTML: function() { |
| var self = arguments.callee; |
| self.text.data = this; |
| return self.div.innerHTML; |
| }, |
| |
| unescapeHTML: function() { |
| var div = document.createElement('div'); |
| div.innerHTML = this.stripTags(); |
| return div.childNodes[0] ? (div.childNodes.length > 1 ? |
| $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
| div.childNodes[0].nodeValue) : ''; |
| }, |
| |
| toQueryParams: function(separator) { |
| var match = this.strip().match(/([^?#]*)(#.*)?$/); |
| if (!match) return {}; |
| |
| return match[1].split(separator || '&').inject({}, function(hash, pair) { |
| if ((pair = pair.split('='))[0]) { |
| var key = decodeURIComponent(pair.shift()); |
| var value = pair.length > 1 ? pair.join('=') : pair[0]; |
| if (value != undefined) value = decodeURIComponent(value); |
| |
| if (key in hash) { |
| if (hash[key].constructor != Array) hash[key] = [hash[key]]; |
| hash[key].push(value); |
| } |
| else hash[key] = value; |
| } |
| return hash; |
| }); |
| }, |
| |
| toArray: function() { |
| return this.split(''); |
| }, |
| |
| succ: function() { |
| return this.slice(0, this.length - 1) + |
| String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
| }, |
| |
| times: function(count) { |
| var result = ''; |
| for (var i = 0; i < count; i++) result += this; |
| return result; |
| }, |
| |
| camelize: function() { |
| var parts = this.split('-'), len = parts.length; |
| if (len == 1) return parts[0]; |
| |
| var camelized = this.charAt(0) == '-' |
| ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
| : parts[0]; |
| |
| for (var i = 1; i < len; i++) |
| camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
| |
| return camelized; |
| }, |
| |
| capitalize: function() { |
| return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
| }, |
| |
| underscore: function() { |
| return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
| }, |
| |
| dasherize: function() { |
| return this.gsub(/_/,'-'); |
| }, |
| |
| inspect: function(useDoubleQuotes) { |
| var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
| var character = String.specialChar[match[0]]; |
| return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
| }); |
| if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
| return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
| }, |
| |
| toJSON: function() { |
| return this.inspect(true); |
| }, |
| |
| unfilterJSON: function(filter) { |
| return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
| }, |
| |
| evalJSON: function(sanitize) { |
| var json = this.unfilterJSON(); |
| try { |
| if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(json))) |
| return eval('(' + json + ')'); |
| } catch (e) { } |
| throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
| }, |
| |
| include: function(pattern) { |
| return this.indexOf(pattern) > -1; |
| }, |
| |
| startsWith: function(pattern) { |
| return this.indexOf(pattern) === 0; |
| }, |
| |
| endsWith: function(pattern) { |
| var d = this.length - pattern.length; |
| return d >= 0 && this.lastIndexOf(pattern) === d; |
| }, |
| |
| empty: function() { |
| return this == ''; |
| }, |
| |
| blank: function() { |
| return /^\s*$/.test(this); |
| } |
| }); |
| |
| if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
| escapeHTML: function() { |
| return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
| }, |
| unescapeHTML: function() { |
| return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
| } |
| }); |
| |
| String.prototype.gsub.prepareReplacement = function(replacement) { |
| if (typeof replacement == 'function') return replacement; |
| var template = new Template(replacement); |
| return function(match) { return template.evaluate(match) }; |
| } |
| |
| String.prototype.parseQuery = String.prototype.toQueryParams; |
| |
| Object.extend(String.prototype.escapeHTML, { |
| div: document.createElement('div'), |
| text: document.createTextNode('') |
| }); |
| |
| with (String.prototype.escapeHTML) div.appendChild(text); |
| |
| var Template = Class.create(); |
| Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
| Template.prototype = { |
| initialize: function(template, pattern) { |
| this.template = template.toString(); |
| this.pattern = pattern || Template.Pattern; |
| }, |
| |
| evaluate: function(object) { |
| return this.template.gsub(this.pattern, function(match) { |
| var before = match[1]; |
| if (before == '\\') return match[2]; |
| return before + String.interpret(object[match[3]]); |
| }); |
| } |
| } |
| |
| var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
| |
| var Enumerable = { |
| each: function(iterator) { |
| var index = 0; |
| try { |
| this._each(function(value) { |
| iterator(value, index++); |
| }); |
| } catch (e) { |
| if (e != $break) throw e; |
| } |
| return this; |
| }, |
| |
| eachSlice: function(number, iterator) { |
| var index = -number, slices = [], array = this.toArray(); |
| while ((index += number) < array.length) |
| slices.push(array.slice(index, index+number)); |
| return slices.map(iterator); |
| }, |
| |
| all: function(iterator) { |
| var result = true; |
| this.each(function(value, index) { |
| result = result && !!(iterator || Prototype.K)(value, index); |
| if (!result) throw $break; |
| }); |
| return result; |
| }, |
| |
| any: function(iterator) { |
| var result = false; |
| this.each(function(value, index) { |
| if (result = !!(iterator || Prototype.K)(value, index)) |
| throw $break; |
| }); |
| return result; |
| }, |
| |
| collect: function(iterator) { |
| var results = []; |
| this.each(function(value, index) { |
| results.push((iterator || Prototype.K)(value, index)); |
| }); |
| return results; |
| }, |
| |
| detect: function(iterator) { |
| var result; |
| this.each(function(value, index) { |
| if (iterator(value, index)) { |
| result = value; |
| throw $break; |
| } |
| }); |
| return result; |
| }, |
| |
| findAll: function(iterator) { |
| var results = []; |
| this.each(function(value, index) { |
| if (iterator(value, index)) |
| results.push(value); |
| }); |
| return results; |
| }, |
| |
| grep: function(pattern, iterator) { |
| var results = []; |
| this.each(function(value, index) { |
| var stringValue = value.toString(); |
| if (stringValue.match(pattern)) |
| results.push((iterator || Prototype.K)(value, index)); |
| }) |
| return results; |
| }, |
| |
| include: function(object) { |
| var found = false; |
| this.each(function(value) { |
| if (value == object) { |
| found = true; |
| throw $break; |
| } |
| }); |
| return found; |
| }, |
| |
| inGroupsOf: function(number, fillWith) { |
| fillWith = fillWith === undefined ? null : fillWith; |
| return this.eachSlice(number, function(slice) { |
| while(slice.length < number) slice.push(fillWith); |
| return slice; |
| }); |
| }, |
| |
| inject: function(memo, iterator) { |
| this.each(function(value, index) { |
| memo = iterator(memo, value, index); |
| }); |
| return memo; |
| }, |
| |
| invoke: function(method) { |
| var args = $A(arguments).slice(1); |
| return this.map(function(value) { |
| return value[method].apply(value, args); |
| }); |
| }, |
| |
| max: function(iterator) { |
| var result; |
| this.each(function(value, index) { |
| value = (iterator || Prototype.K)(value, index); |
| if (result == undefined || value >= result) |
| result = value; |
| }); |
| return result; |
| }, |
| |
| min: function(iterator) { |
| var result; |
| this.each(function(value, index) { |
| value = (iterator || Prototype.K)(value, index); |
| if (result == undefined || value < result) |
| result = value; |
| }); |
| return result; |
| }, |
| |
| partition: function(iterator) { |
| var trues = [], falses = []; |
| this.each(function(value, index) { |
| ((iterator || Prototype.K)(value, index) ? |
| trues : falses).push(value); |
| }); |
| return [trues, falses]; |
| }, |
| |
| pluck: function(property) { |
| var results = []; |
| this.each(function(value, index) { |
| results.push(value[property]); |
| }); |
| return results; |
| }, |
| |
| reject: function(iterator) { |
| var results = []; |
| this.each(function(value, index) { |
| if (!iterator(value, index)) |
| results.push(value); |
| }); |
| return results; |
| }, |
| |
| sortBy: function(iterator) { |
| return this.map(function(value, index) { |
| return {value: value, criteria: iterator(value, index)}; |
| }).sort(function(left, right) { |
| var a = left.criteria, b = right.criteria; |
| return a < b ? -1 : a > b ? 1 : 0; |
| }).pluck('value'); |
| }, |
| |
| toArray: function() { |
| return this.map(); |
| }, |
| |
| zip: function() { |
| var iterator = Prototype.K, args = $A(arguments); |
| if (typeof args.last() == 'function') |
| iterator = args.pop(); |
| |
| var collections = [this].concat(args).map($A); |
| return this.map(function(value, index) { |
| return iterator(collections.pluck(index)); |
| }); |
| }, |
| |
| size: function() { |
| return this.toArray().length; |
| }, |
| |
| inspect: function() { |
| return '#<Enumerable:' + this.toArray().inspect() + '>'; |
| } |
| } |
| |
| Object.extend(Enumerable, { |
| map: Enumerable.collect, |
| find: Enumerable.detect, |
| select: Enumerable.findAll, |
| member: Enumerable.include, |
| entries: Enumerable.toArray |
| }); |
| var $A = Array.from = function(iterable) { |
| if (!iterable) return []; |
| if (iterable.toArray) { |
| return iterable.toArray(); |
| } else { |
| var results = []; |
| for (var i = 0, length = iterable.length; i < length; i++) |
| results.push(iterable[i]); |
| return results; |
| } |
| } |
| |
| if (Prototype.Browser.WebKit) { |
| $A = Array.from = function(iterable) { |
| if (!iterable) return []; |
| if (!(typeof iterable == 'function' && iterable == '[object NodeList]') && |
| iterable.toArray) { |
| return iterable.toArray(); |
| } else { |
| var results = []; |
| for (var i = 0, length = iterable.length; i < length; i++) |
| results.push(iterable[i]); |
| return results; |
| } |
| } |
| } |
| |
| Object.extend(Array.prototype, Enumerable); |
| |
| if (!Array.prototype._reverse) |
| Array.prototype._reverse = Array.prototype.reverse; |
| |
| Object.extend(Array.prototype, { |
| _each: function(iterator) { |
| for (var i = 0, length = this.length; i < length; i++) |
| iterator(this[i]); |
| }, |
| |
| clear: function() { |
| this.length = 0; |
| return this; |
| }, |
| |
| first: function() { |
| return this[0]; |
| }, |
| |
| last: function() { |
| return this[this.length - 1]; |
| }, |
| |
| compact: function() { |
| return this.select(function(value) { |
| return value != null; |
| }); |
| }, |
| |
| flatten: function() { |
| return this.inject([], function(array, value) { |
| return array.concat(value && value.constructor == Array ? |
| value.flatten() : [value]); |
| }); |
| }, |
| |
| without: function() { |
| var values = $A(arguments); |
| return this.select(function(value) { |
| return !values.include(value); |
| }); |
| }, |
| |
| indexOf: function(object) { |
| for (var i = 0, length = this.length; i < length; i++) |
| if (this[i] == object) return i; |
| return -1; |
| }, |
| |
| reverse: function(inline) { |
| return (inline !== false ? this : this.toArray())._reverse(); |
| }, |
| |
| reduce: function() { |
| return this.length > 1 ? this : this[0]; |
| }, |
| |
| uniq: function(sorted) { |
| return this.inject([], function(array, value, index) { |
| if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
| array.push(value); |
| return array; |
| }); |
| }, |
| |
| clone: function() { |
| return [].concat(this); |
| }, |
| |
| size: function() { |
| return this.length; |
| }, |
| |
| inspect: function() { |
| return '[' + this.map(Object.inspect).join(', ') + ']'; |
| }, |
| |
| toJSON: function() { |
| var results = []; |
| this.each(function(object) { |
| var value = Object.toJSON(object); |
| if (value !== undefined) results.push(value); |
| }); |
| return '[' + results.join(', ') + ']'; |
| } |
| }); |
| |
| Array.prototype.toArray = Array.prototype.clone; |
| |
| function $w(string) { |
| string = string.strip(); |
| return string ? string.split(/\s+/) : []; |
| } |
| |
| if (Prototype.Browser.Opera){ |
| Array.prototype.concat = function() { |
| var array = []; |
| for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
| for (var i = 0, length = arguments.length; i < length; i++) { |
| if (arguments[i].constructor == Array) { |
| for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
| array.push(arguments[i][j]); |
| } else { |
| array.push(arguments[i]); |
| } |
| } |
| return array; |
| } |
| } |
| var Hash = function(object) { |
| if (object instanceof Hash) this.merge(object); |
| else Object.extend(this, object || {}); |
| }; |
| |
| Object.extend(Hash, { |
| toQueryString: function(obj) { |
| var parts = []; |
| parts.add = arguments.callee.addPair; |
| |
| this.prototype._each.call(obj, function(pair) { |
| if (!pair.key) return; |
| var value = pair.value; |
| |
| if (value && typeof value == 'object') { |
| if (value.constructor == Array) value.each(function(value) { |
| parts.add(pair.key, value); |
| }); |
| return; |
| } |
| parts.add(pair.key, value); |
| }); |
| |
| return parts.join('&'); |
| }, |
| |
| toJSON: function(object) { |
| var results = []; |
| this.prototype._each.call(object, function(pair) { |
| var value = Object.toJSON(pair.value); |
| if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value); |
| }); |
| return '{' + results.join(', ') + '}'; |
| } |
| }); |
| |
| Hash.toQueryString.addPair = function(key, value, prefix) { |
| key = encodeURIComponent(key); |
| if (value === undefined) this.push(key); |
| else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value))); |
| } |
| |
| Object.extend(Hash.prototype, Enumerable); |
| Object.extend(Hash.prototype, { |
| _each: function(iterator) { |
| for (var key in this) { |
| var value = this[key]; |
| if (value && value == Hash.prototype[key]) continue; |
| |
| var pair = [key, value]; |
| pair.key = key; |
| pair.value = value; |
| iterator(pair); |
| } |
| }, |
| |
| keys: function() { |
| return this.pluck('key'); |
| }, |
| |
| values: function() { |
| return this.pluck('value'); |
| }, |
| |
| merge: function(hash) { |
| return $H(hash).inject(this, function(mergedHash, pair) { |
| mergedHash[pair.key] = pair.value; |
| return mergedHash; |
| }); |
| }, |
| |
| remove: function() { |
| var result; |
| for(var i = 0, length = arguments.length; i < length; i++) { |
| var value = this[arguments[i]]; |
| if (value !== undefined){ |
| if (result === undefined) result = value; |
| else { |
| if (result.constructor != Array) result = [result]; |
| result.push(value) |
| } |
| } |
| delete this[arguments[i]]; |
| } |
| return result; |
| }, |
| |
| toQueryString: function() { |
| return Hash.toQueryString(this); |
| }, |
| |
| inspect: function() { |
| return '#<Hash:{' + this.map(function(pair) { |
| return pair.map(Object.inspect).join(': '); |
| }).join(', ') + '}>'; |
| }, |
| |
| toJSON: function() { |
| return Hash.toJSON(this); |
| } |
| }); |
| |
| function $H(object) { |
| if (object instanceof Hash) return object; |
| return new Hash(object); |
| }; |
| |
| // Safari iterates over shadowed properties |
| if (function() { |
| var i = 0, Test = function(value) { this.key = value }; |
| Test.prototype.key = 'foo'; |
| for (var property in new Test('bar')) i++; |
| return i > 1; |
| }()) Hash.prototype._each = function(iterator) { |
| var cache = []; |
| for (var key in this) { |
| var value = this[key]; |
| if ((value && value == Hash.prototype[key]) || cache.include(key)) continue; |
| cache.push(key); |
| var pair = [key, value]; |
| pair.key = key; |
| pair.value = value; |
| iterator(pair); |
| } |
| }; |
| ObjectRange = Class.create(); |
| Object.extend(ObjectRange.prototype, Enumerable); |
| Object.extend(ObjectRange.prototype, { |
| initialize: function(start, end, exclusive) { |
| this.start = start; |
| this.end = end; |
| this.exclusive = exclusive; |
| }, |
| |
| _each: function(iterator) { |
| var value = this.start; |
| while (this.include(value)) { |
| iterator(value); |
| value = value.succ(); |
| } |
| }, |
| |
| include: function(value) { |
| if (value < this.start) |
| return false; |
| if (this.exclusive) |
| return value < this.end; |
| return value <= this.end; |
| } |
| }); |
| |
| var $R = function(start, end, exclusive) { |
| return new ObjectRange(start, end, exclusive); |
| } |
| |
| var Ajax = { |
| getTransport: function() { |
| return Try.these( |
| function() {return new XMLHttpRequest()}, |
| function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
| function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
| ) || false; |
| }, |
| |
| activeRequestCount: 0 |
| } |
| |
| Ajax.Responders = { |
| responders: [], |
| |
| _each: function(iterator) { |
| this.responders._each(iterator); |
| }, |
| |
| register: function(responder) { |
| if (!this.include(responder)) |
| this.responders.push(responder); |
| }, |
| |
| unregister: function(responder) { |
| this.responders = this.responders.without(responder); |
| }, |
| |
| dispatch: function(callback, request, transport, json) { |
| this.each(function(responder) { |
| if (typeof responder[callback] == 'function') { |
| try { |
| responder[callback].apply(responder, [request, transport, json]); |
| } catch (e) {} |
| } |
| }); |
| } |
| }; |
| |
| Object.extend(Ajax.Responders, Enumerable); |
| |
| Ajax.Responders.register({ |
| onCreate: function() { |
| Ajax.activeRequestCount++; |
| }, |
| onComplete: function() { |
| Ajax.activeRequestCount--; |
| } |
| }); |
| |
| Ajax.Base = function() {}; |
| Ajax.Base.prototype = { |
| setOptions: function(options) { |
| this.options = { |
| method: 'post', |
| asynchronous: true, |
| contentType: 'application/x-www-form-urlencoded', |
| encoding: 'UTF-8', |
| parameters: '' |
| } |
| Object.extend(this.options, options || {}); |
| |
| this.options.method = this.options.method.toLowerCase(); |
| if (typeof this.options.parameters == 'string') |
| this.options.parameters = this.options.parameters.toQueryParams(); |
| } |
| } |
| |
| Ajax.Request = Class.create(); |
| Ajax.Request.Events = |
| ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
| |
| Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
| _complete: false, |
| |
| initialize: function(url, options) { |
| this.transport = Ajax.getTransport(); |
| this.setOptions(options); |
| this.request(url); |
| }, |
| |
| request: function(url) { |
| this.url = url; |
| this.method = this.options.method; |
| var params = Object.clone(this.options.parameters); |
| |
| if (!['get', 'post'].include(this.method)) { |
| // simulate other verbs over post |
| params['_method'] = this.method; |
| this.method = 'post'; |
| } |
| |
| this.parameters = params; |
| |
| if (params = Hash.toQueryString(params)) { |
| // when GET, append parameters to URL |
| if (this.method == 'get') |
| this.url += (this.url.include('?') ? '&' : '?') + params; |
| else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
| params += '&_='; |
| } |
| |
| try { |
| if (this.options.onCreate) this.options.onCreate(this.transport); |
| Ajax.Responders.dispatch('onCreate', this, this.transport); |
| |
| this.transport.open(this.method.toUpperCase(), this.url, |
| this.options.asynchronous); |
| |
| if (this.options.asynchronous) |
| setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); |
| |
| this.transport.onreadystatechange = this.onStateChange.bind(this); |
| this.setRequestHeaders(); |
| |
| this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
| this.transport.send(this.body); |
| |
| /* Force Firefox to handle ready state 4 for synchronous requests */ |
| if (!this.options.asynchronous && this.transport.overrideMimeType) |
| this.onStateChange(); |
| |
| } |
| catch (e) { |
| this.dispatchException(e); |
| } |
| }, |
| |
| onStateChange: function() { |
| var readyState = this.transport.readyState; |
| if (readyState > 1 && !((readyState == 4) && this._complete)) |
| this.respondToReadyState(this.transport.readyState); |
| }, |
| |
| setRequestHeaders: function() { |
| var headers = { |
| 'X-Requested-With': 'XMLHttpRequest', |
| 'X-Prototype-Version': Prototype.Version, |
| 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
| }; |
| |
| if (this.method == 'post') { |
| headers['Content-type'] = this.options.contentType + |
| (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
| |
| /* Force "Connection: close" for older Mozilla browsers to work |
| * around a bug where XMLHttpRequest sends an incorrect |
| * Content-length header. See Mozilla Bugzilla #246651. |
| */ |
| if (this.transport.overrideMimeType && |
| (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
| headers['Connection'] = 'close'; |
| } |
| |
| // user-defined headers |
| if (typeof this.options.requestHeaders == 'object') { |
| var extras = this.options.requestHeaders; |
| |
| if (typeof extras.push == 'function') |
| for (var i = 0, length = extras.length; i < length; i += 2) |
| headers[extras[i]] = extras[i+1]; |
| else |
| $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
| } |
| |
| for (var name in headers) |
| this.transport.setRequestHeader(name, headers[name]); |
| }, |
| |
| success: function() { |
| return !this.transport.status |
| || (this.transport.status >= 200 && this.transport.status < 300); |
| }, |
| |
| respondToReadyState: function(readyState) { |
| var state = Ajax.Request.Events[readyState]; |
| var transport = this.transport, json = this.evalJSON(); |
| |
| if (state == 'Complete') { |
| try { |
| this._complete = true; |
| (this.options['on' + this.transport.status] |
| || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
| || Prototype.emptyFunction)(transport, json); |
| } catch (e) { |
| this.dispatchException(e); |
| } |
| |
| var contentType = this.getHeader('Content-type'); |
| if (contentType && contentType.strip(). |
| match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) |
| this.evalResponse(); |
| } |
| |
| try { |
| (this.options['on' + state] || Prototype.emptyFunction)(transport, json); |
| Ajax.Responders.dispatch('on' + state, this, transport, json); |
| } catch (e) { |
| this.dispatchException(e); |
| } |
| |
| if (state == 'Complete') { |
| // avoid memory leak in MSIE: clean up |
| this.transport.onreadystatechange = Prototype.emptyFunction; |
| } |
| }, |
| |
| getHeader: function(name) { |
| try { |
| return this.transport.getResponseHeader(name); |
| } catch (e) { return null } |
| }, |
| |
| evalJSON: function() { |
| try { |
| var json = this.getHeader('X-JSON'); |
| return json ? json.evalJSON() : null; |
| } catch (e) { return null } |
| }, |
| |
| evalResponse: function() { |
| try { |
| return eval((this.transport.responseText || '').unfilterJSON()); |
| } catch (e) { |
| this.dispatchException(e); |
| } |
| }, |
| |
| dispatchException: function(exception) { |
| (this.options.onException || Prototype.emptyFunction)(this, exception); |
| Ajax.Responders.dispatch('onException', this, exception); |
| } |
| }); |
| |
| Ajax.Updater = Class.create(); |
| |
| Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
| initialize: function(container, url, options) { |
| this.container = { |
| success: (container.success || container), |
| failure: (container.failure || (container.success ? null : container)) |
| } |
| |
| this.transport = Ajax.getTransport(); |
| this.setOptions(options); |
| |
| var onComplete = this.options.onComplete || Prototype.emptyFunction; |
| this.options.onComplete = (function(transport, param) { |
| this.updateContent(); |
| onComplete(transport, param); |
| }).bind(this); |
| |
| this.request(url); |
| }, |
| |
| updateContent: function() { |
| var receiver = this.container[this.success() ? 'success' : 'failure']; |
| var response = this.transport.responseText; |
| |
| if (!this.options.evalScripts) response = response.stripScripts(); |
| |
| if (receiver = $(receiver)) { |
| if (this.options.insertion) |
| new this.options.insertion(receiver, response); |
| else |
| receiver.update(response); |
| } |
| |
| if (this.success()) { |
| if (this.onComplete) |
| setTimeout(this.onComplete.bind(this), 10); |
| } |
| } |
| }); |
| |
| Ajax.PeriodicalUpdater = Class.create(); |
| Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
| initialize: function(container, url, options) { |
| this.setOptions(options); |
| this.onComplete = this.options.onComplete; |
| |
| this.frequency = (this.options.frequency || 2); |
| this.decay = (this.options.decay || 1); |
| |
| this.updater = {}; |
| this.container = container; |
| this.url = url; |
| |
| this.start(); |
| }, |
| |
| start: function() { |
| this.options.onComplete = this.updateComplete.bind(this); |
| this.onTimerEvent(); |
| }, |
| |
| stop: function() { |
| this.updater.options.onComplete = undefined; |
| clearTimeout(this.timer); |
| (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
| }, |
| |
| updateComplete: function(request) { |
| if (this.options.decay) { |
| this.decay = (request.responseText == this.lastText ? |
| this.decay * this.options.decay : 1); |
| |
| this.lastText = request.responseText; |
| } |
| this.timer = setTimeout(this.onTimerEvent.bind(this), |
| this.decay * this.frequency * 1000); |
| }, |
| |
| onTimerEvent: function() { |
| this.updater = new Ajax.Updater(this.container, this.url, this.options); |
| } |
| }); |
| function $(element) { |
| if (arguments.length > 1) { |
| for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
| elements.push($(arguments[i])); |
| return elements; |
| } |
| if (typeof element == 'string') |
| element = document.getElementById(element); |
| return Element.extend(element); |
| } |
| |
| if (Prototype.BrowserFeatures.XPath) { |
| document._getElementsByXPath = function(expression, parentElement) { |
| var results = []; |
| var query = document.evaluate(expression, $(parentElement) || document, |
| null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
| for (var i = 0, length = query.snapshotLength; i < length; i++) |
| results.push(query.snapshotItem(i)); |
| return results; |
| }; |
| |
| document.getXPathElementsByClassName = function(className, parentElement) { |
| var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; |
| return document._getElementsByXPath(q, parentElement); |
| } |
| |
| } |
| |
| document.getJSElementsByClassName = function(className, parentElement) { |
| var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
| var elements = [], child; |
| for (var i = 0, length = children.length; i < length; i++) { |
| child = children[i]; |
| if (Element.hasClassName(child, className)) |
| elements.push(Element.extend(child)); |
| } |
| return elements; |
| }; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| if (!window.Element) var Element = {}; |
| |
| Element.extend = function(element) { |
| var F = Prototype.BrowserFeatures; |
| if (!element || !element.tagName || element.nodeType == 3 || |
| element._extended || F.SpecificElementExtensions || element == window) |
| return element; |
| |
| var methods = {}, tagName = element.tagName, cache = Element.extend.cache, |
| T = Element.Methods.ByTag; |
| |
| // extend methods for all tags (Safari doesn't need this) |
| if (!F.ElementExtensions) { |
| Object.extend(methods, Element.Methods), |
| Object.extend(methods, Element.Methods.Simulated); |
| } |
| |
| // extend methods for specific tags |
| if (T[tagName]) Object.extend(methods, T[tagName]); |
| |
| for (var property in methods) { |
| var value = methods[property]; |
| if (typeof value == 'function' && !(property in element)) |
| element[property] = cache.findOrStore(value); |
| } |
| |
| element._extended = Prototype.emptyFunction; |
| return element; |
| }; |
| |
| Element.extend.cache = { |
| findOrStore: function(value) { |
| return this[value] = this[value] || function() { |
| return value.apply(null, [this].concat($A(arguments))); |
| } |
| } |
| }; |
| |
| Element.Methods = { |
| visible: function(element) { |
| return $(element).style.display != 'none'; |
| }, |
| |
| toggle: function(element) { |
| element = $(element); |
| Element[Element.visible(element) ? 'hide' : 'show'](element); |
| return element; |
| }, |
| |
| hide: function(element) { |
| $(element).style.display = 'none'; |
| return element; |
| }, |
| |
| show: function(element) { |
| $(element).style.display = ''; |
| return element; |
| }, |
| |
| remove: function(element) { |
| element = $(element); |
| element.parentNode.removeChild(element); |
| return element; |
| }, |
| |
| update: function(element, html) { |
| html = typeof html == 'undefined' ? '' : html.toString(); |
| $(element).innerHTML = html.stripScripts(); |
| setTimeout(function() {html.evalScripts()}, 10); |
| return element; |
| }, |
| |
| replace: function(element, html) { |
| element = $(element); |
| html = typeof html == 'undefined' ? '' : html.toString(); |
| if (element.outerHTML) { |
| element.outerHTML = html.stripScripts(); |
| } else { |
| var range = element.ownerDocument.createRange(); |
| range.selectNodeContents(element); |
| element.parentNode.replaceChild( |
| range.createContextualFragment(html.stripScripts()), element); |
| } |
| setTimeout(function() {html.evalScripts()}, 10); |
| return element; |
| }, |
| |
| inspect: function(element) { |
| element = $(element); |
| var result = '<' + element.tagName.toLowerCase(); |
| $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
| var property = pair.first(), attribute = pair.last(); |
| var value = (element[property] || '').toString(); |
| if (value) result += ' ' + attribute + '=' + value.inspect(true); |
| }); |
| return result + '>'; |
| }, |
| |
| recursivelyCollect: function(element, property) { |
| element = $(element); |
| var elements = []; |
| while (element = element[property]) |
| if (element.nodeType == 1) |
| elements.push(Element.extend(element)); |
| return elements; |
| }, |
| |
| ancestors: function(element) { |
| return $(element).recursivelyCollect('parentNode'); |
| }, |
| |
| descendants: function(element) { |
| return $A($(element).getElementsByTagName('*')).each(Element.extend); |
| }, |
| |
| firstDescendant: function(element) { |
| element = $(element).firstChild; |
| while (element && element.nodeType != 1) element = element.nextSibling; |
| return $(element); |
| }, |
| |
| immediateDescendants: function(element) { |
| if (!(element = $(element).firstChild)) return []; |
| while (element && element.nodeType != 1) element = element.nextSibling; |
| if (element) return [element].concat($(element).nextSiblings()); |
| return []; |
| }, |
| |
| previousSiblings: function(element) { |
| return $(element).recursivelyCollect('previousSibling'); |
| }, |
| |
| nextSiblings: function(element) { |
| return $(element).recursivelyCollect('nextSibling'); |
| }, |
| |
| siblings: function(element) { |
| element = $(element); |
| return element.previousSiblings().reverse().concat(element.nextSiblings()); |
| }, |
| |
| match: function(element, selector) { |
| if (typeof selector == 'string') |
| selector = new Selector(selector); |
| return selector.match($(element)); |
| }, |
| |
| up: function(element, expression, index) { |
| element = $(element); |
| if (arguments.length == 1) return $(element.parentNode); |
| var ancestors = element.ancestors(); |
| return expression ? Selector.findElement(ancestors, expression, index) : |
| ancestors[index || 0]; |
| }, |
| |
| down: function(element, expression, index) { |
| element = $(element); |
| if (arguments.length == 1) return element.firstDescendant(); |
| var descendants = element.descendants(); |
| return expression ? Selector.findElement(descendants, expression, index) : |
| descendants[index || 0]; |
| }, |
| |
| previous: function(element, expression, index) { |
| element = $(element); |
| if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
| var previousSiblings = element.previousSiblings(); |
| return expression ? Selector.findElement(previousSiblings, expression, index) : |
| previousSiblings[index || 0]; |
| }, |
| |
| next: function(element, expression, index) { |
| element = $(element); |
| if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
| var nextSiblings = element.nextSiblings(); |
| return expression ? Selector.findElement(nextSiblings, expression, index) : |
| nextSiblings[index || 0]; |
| }, |
| |
| getElementsBySelector: function() { |
| var args = $A(arguments), element = $(args.shift()); |
| return Selector.findChildElements(element, args); |
| }, |
| |
| getElementsByClassName: function(element, className) { |
| return document.getElementsByClassName(className, element); |
| }, |
| |
| readAttribute: function(element, name) { |
| element = $(element); |
| if (Prototype.Browser.IE) { |
| if (!element.attributes) return null; |
| var t = Element._attributeTranslations; |
| if (t.values[name]) return t.values[name](element, name); |
| if (t.names[name]) name = t.names[name]; |
| var attribute = element.attributes[name]; |
| return attribute ? attribute.nodeValue : null; |
| } |
| return element.getAttribute(name); |
| }, |
| |
| getHeight: function(element) { |
| return $(element).getDimensions().height; |
| }, |
| |
| getWidth: function(element) { |
| return $(element).getDimensions().width; |
| }, |
| |
| classNames: function(element) { |
| return new Element.ClassNames(element); |
| }, |
| |
| hasClassName: function(element, className) { |
| if (!(element = $(element))) return; |
| var elementClassName = element.className; |
| if (elementClassName.length == 0) return false; |
| if (elementClassName == className || |
| elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
| return true; |
| return false; |
| }, |
| |
| addClassName: function(element, className) { |
| if (!(element = $(element))) return; |
| Element.classNames(element).add(className); |
| return element; |
| }, |
| |
| removeClassName: function(element, className) { |
| if (!(element = $(element))) return; |
| Element.classNames(element).remove(className); |
| return element; |
| }, |
| |
| toggleClassName: function(element, className) { |
| if (!(element = $(element))) return; |
| Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); |
| return element; |
| }, |
| |
| observe: function() { |
| Event.observe.apply(Event, arguments); |
| return $A(arguments).first(); |
| }, |
| |
| stopObserving: function() { |
| Event.stopObserving.apply(Event, arguments); |
| return $A(arguments).first(); |
| }, |
| |
| // removes whitespace-only text node children |
| cleanWhitespace: function(element) { |
| element = $(element); |
| var node = element.firstChild; |
| while (node) { |
| var nextNode = node.nextSibling; |
| if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
| element.removeChild(node); |
| node = nextNode; |
| } |
| return element; |
| }, |
| |
| empty: function(element) { |
| return $(element).innerHTML.blank(); |
| }, |
| |
| descendantOf: function(element, ancestor) { |
| element = $(element), ancestor = $(ancestor); |
| while (element = element.parentNode) |
| if (element == ancestor) return true; |
| return false; |
| }, |
| |
| scrollTo: function(element) { |
| element = $(element); |
| var pos = Position.cumulativeOffset(element); |
| window.scrollTo(pos[0], pos[1]); |
| return element; |
| }, |
| |
| getStyle: function(element, style) { |
| element = $(element); |
| style = style == 'float' ? 'cssFloat' : style.camelize(); |
| var value = element.style[style]; |
| if (!value) { |
| var css = document.defaultView.getComputedStyle(element, null); |
| value = css ? css[style] : null; |
| } |
| if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
| return value == 'auto' ? null : value; |
| }, |
| |
| getOpacity: function(element) { |
| return $(element).getStyle('opacity'); |
| }, |
| |
| setStyle: function(element, styles, camelized) { |
| element = $(element); |
| var elementStyle = element.style; |
| |
| for (var property in styles) |
| if (property == 'opacity') element.setOpacity(styles[property]) |
| else |
| elementStyle[(property == 'float' || property == 'cssFloat') ? |
| (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : |
| (camelized ? property : property.camelize())] = styles[property]; |
| |
| return element; |
| }, |
| |
| setOpacity: function(element, value) { |
| element = $(element); |
| element.style.opacity = (value == 1 || value === '') ? '' : |
| (value < 0.00001) ? 0 : value; |
| return element; |
| }, |
| |
| getDimensions: function(element) { |
| element = $(element); |
| var display = $(element).getStyle('display'); |
| if (display != 'none' && display != null) // Safari bug |
| return {width: element.offsetWidth, height: element.offsetHeight}; |
| |
| // All *Width and *Height properties give 0 on elements with display none, |
| // so enable the element temporarily |
| var els = element.style; |
| var originalVisibility = els.visibility; |
| var originalPosition = els.position; |
| var originalDisplay = els.display; |
| els.visibility = 'hidden'; |
| els.position = 'absolute'; |
| els.display = 'block'; |
| var originalWidth = element.clientWidth; |
| var originalHeight = element.clientHeight; |
| els.display = originalDisplay; |
| els.position = originalPosition; |
| els.visibility = originalVisibility; |
| return {width: originalWidth, height: originalHeight}; |
| }, |
| |
| makePositioned: function(element) { |
| element = $(element); |
| var pos = Element.getStyle(element, 'position'); |
| if (pos == 'static' || !pos) { |
| element._madePositioned = true; |
| element.style.position = 'relative'; |
| // Opera returns the offset relative to the positioning context, when an |
| // element is position relative but top and left have not been defined |
| if (window.opera) { |
| element.style.top = 0; |
| element.style.left = 0; |
| } |
| } |
| return element; |
| }, |
| |
| undoPositioned: function(element) { |
| element = $(element); |
| if (element._madePositioned) { |
| element._madePositioned = undefined; |
| element.style.position = |
| element.style.top = |
| element.style.left = |
| element.style.bottom = |
| element.style.right = ''; |
| } |
| return element; |
| }, |
| |
| makeClipping: function(element) { |
| element = $(element); |
| if (element._overflow) return element; |
| element._overflow = element.style.overflow || 'auto'; |
| if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
| element.style.overflow = 'hidden'; |
| return element; |
| }, |
| |
| undoClipping: function(element) { |
| element = $(element); |
| if (!element._overflow) return element; |
| element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
| element._overflow = null; |
| return element; |
| } |
| }; |
| |
| Object.extend(Element.Methods, { |
| childOf: Element.Methods.descendantOf, |
| childElements: Element.Methods.immediateDescendants |
| }); |
| |
| if (Prototype.Browser.Opera) { |
| Element.Methods._getStyle = Element.Methods.getStyle; |
| Element.Methods.getStyle = function(element, style) { |
| switch(style) { |
| case 'left': |
| case 'top': |
| case 'right': |
| case 'bottom': |
| if (Element._getStyle(element, 'position') == 'static') return null; |
| default: return Element._getStyle(element, style); |
| } |
| }; |
| } |
| else if (Prototype.Browser.IE) { |
| Element.Methods.getStyle = function(element, style) { |
| element = $(element); |
| style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
| var value = element.style[style]; |
| if (!value && element.currentStyle) value = element.currentStyle[style]; |
| |
| if (style == 'opacity') { |
| if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
| if (value[1]) return parseFloat(value[1]) / 100; |
| return 1.0; |
| } |
| |
| if (value == 'auto') { |
| if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
| return element['offset'+style.capitalize()] + 'px'; |
| return null; |
| } |
| return value; |
| }; |
| |
| Element.Methods.setOpacity = function(element, value) { |
| element = $(element); |
| var filter = element.getStyle('filter'), style = element.style; |
| if (value == 1 || value === '') { |
| style.filter = filter.replace(/alpha\([^\)]*\)/gi,''); |
| return element; |
| } else if (value < 0.00001) value = 0; |
| style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') + |
| 'alpha(opacity=' + (value * 100) + ')'; |
| return element; |
| }; |
| |
| // IE is missing .innerHTML support for TABLE-related elements |
| Element.Methods.update = function(element, html) { |
| element = $(element); |
| html = typeof html == 'undefined' ? '' : html.toString(); |
| var tagName = element.tagName.toUpperCase(); |
| if (['THEAD','TBODY','TR','TD'].include(tagName)) { |
| var div = document.createElement('div'); |
| switch (tagName) { |
| case 'THEAD': |
| case 'TBODY': |
| div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; |
| depth = 2; |
| break; |
| case 'TR': |
| div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; |
| depth = 3; |
| break; |
| case 'TD': |
| div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; |
| depth = 4; |
| } |
| $A(element.childNodes).each(function(node) { element.removeChild(node) }); |
| depth.times(function() { div = div.firstChild }); |
| $A(div.childNodes).each(function(node) { element.appendChild(node) }); |
| } else { |
| element.innerHTML = html.stripScripts(); |
| } |
| setTimeout(function() { html.evalScripts() }, 10); |
| return element; |
| } |
| } |
| else if (Prototype.Browser.Gecko) { |
| Element.Methods.setOpacity = function(element, value) { |
| element = $(element); |
| element.style.opacity = (value == 1) ? 0.999999 : |
| (value === '') ? '' : (value < 0.00001) ? 0 : value; |
| return element; |
| }; |
| } |
| |
| Element._attributeTranslations = { |
| names: { |
| colspan: "colSpan", |
| rowspan: "rowSpan", |
| valign: "vAlign", |
| datetime: "dateTime", |
| accesskey: "accessKey", |
| tabindex: "tabIndex", |
| enctype: "encType", |
| maxlength: "maxLength", |
| readonly: "readOnly", |
| longdesc: "longDesc" |
| }, |
| values: { |
| _getAttr: function(element, attribute) { |
| return element.getAttribute(attribute, 2); |
| }, |
| _flag: function(element, attribute) { |
| return $(element).hasAttribute(attribute) ? attribute : null; |
| }, |
| style: function(element) { |
| return element.style.cssText.toLowerCase(); |
| }, |
| title: function(element) { |
| var node = element.getAttributeNode('title'); |
| return node.specified ? node.nodeValue : null; |
| } |
| } |
| }; |
| |
| (function() { |
| Object.extend(this, { |
| href: this._getAttr, |
| src: this._getAttr, |
| type: this._getAttr, |
| disabled: this._flag, |
| checked: this._flag, |
| readonly: this._flag, |
| multiple: this._flag |
| }); |
| }).call(Element._attributeTranslations.values); |
| |
| Element.Methods.Simulated = { |
| hasAttribute: function(element, attribute) { |
| var t = Element._attributeTranslations, node; |
| attribute = t.names[attribute] || attribute; |
| node = $(element).getAttributeNode(attribute); |
| return node && node.specified; |
| } |
| }; |
| |
| Element.Methods.ByTag = {}; |
| |
| Object.extend(Element, Element.Methods); |
| |
| if (!Prototype.BrowserFeatures.ElementExtensions && |
| document.createElement('div').__proto__) { |
| window.HTMLElement = {}; |
| window.HTMLElement.prototype = document.createElement('div').__proto__; |
| Prototype.BrowserFeatures.ElementExtensions = true; |
| } |
| |
| Element.hasAttribute = function(element, attribute) { |
| if (element.hasAttribute) return element.hasAttribute(attribute); |
| return Element.Methods.Simulated.hasAttribute(element, attribute); |
| }; |
| |
| Element.addMethods = function(methods) { |
| var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
| |
| if (!methods) { |
| Object.extend(Form, Form.Methods); |
| Object.extend(Form.Element, Form.Element.Methods); |
| Object.extend(Element.Methods.ByTag, { |
| "FORM": Object.clone(Form.Methods), |
| "INPUT": Object.clone(Form.Element.Methods), |
| "SELECT": Object.clone(Form.Element.Methods), |
| "TEXTAREA": Object.clone(Form.Element.Methods) |
| }); |
| } |
| |
| if (arguments.length == 2) { |
| var tagName = methods; |
| methods = arguments[1]; |
| } |
| |
| if (!tagName) Object.extend(Element.Methods, methods || {}); |
| else { |
| if (tagName.constructor == Array) tagName.each(extend); |
| else extend(tagName); |
| } |
| |
| function extend(tagName) { |
| tagName = tagName.toUpperCase(); |
| if (!Element.Methods.ByTag[tagName]) |
| Element.Methods.ByTag[tagName] = {}; |
| Object.extend(Element.Methods.ByTag[tagName], methods); |
| } |
| |
| function copy(methods, destination, onlyIfAbsent) { |
| onlyIfAbsent = onlyIfAbsent || false; |
| var cache = Element.extend.cache; |
| for (var property in methods) { |
| var value = methods[property]; |
| if (!onlyIfAbsent || !(property in destination)) |
| destination[property] = cache.findOrStore(value); |
| } |
| } |
| |
| function findDOMClass(tagName) { |
| var klass; |
| var trans = { |
| "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
| "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
| "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
| "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
| "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
| "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
| "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
| "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
| "FrameSet", "IFRAME": "IFrame" |
| }; |
| if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
| if (window[klass]) return window[klass]; |
| klass = 'HTML' + tagName + 'Element'; |
| if (window[klass]) return window[klass]; |
| klass = 'HTML' + tagName.capitalize() + 'Element'; |
| if (window[klass]) return window[klass]; |
| |
| window[klass] = {}; |
| window[klass].prototype = document.createElement(tagName).__proto__; |
| return window[klass]; |
| } |
| |
| if (F.ElementExtensions) { |
| copy(Element.Methods, HTMLElement.prototype); |
| copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
| } |
| |
| if (F.SpecificElementExtensions) { |
| for (var tag in Element.Methods.ByTag) { |
| var klass = findDOMClass(tag); |
| if (typeof klass == "undefined") continue; |
| copy(T[tag], klass.prototype); |
| } |
| } |
| |
| Object.extend(Element, Element.Methods); |
| delete Element.ByTag; |
| }; |
| |
| var Toggle = { display: Element.toggle }; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| Abstract.Insertion = function(adjacency) { |
| this.adjacency = adjacency; |
| } |
| |
| Abstract.Insertion.prototype = { |
| initialize: function(element, content) { |
| this.element = $(element); |
| this.content = content.stripScripts(); |
| |
| if (this.adjacency && this.element.insertAdjacentHTML) { |
| try { |
| this.element.insertAdjacentHTML(this.adjacency, this.content); |
| } catch (e) { |
| var tagName = this.element.tagName.toUpperCase(); |
| if (['TBODY', 'TR'].include(tagName)) { |
| this.insertContent(this.contentFromAnonymousTable()); |
| } else { |
| throw e; |
| } |
| } |
| } else { |
| this.range = this.element.ownerDocument.createRange(); |
| if (this.initializeRange) this.initializeRange(); |
| this.insertContent([this.range.createContextualFragment(this.content)]); |
| } |
| |
| setTimeout(function() {content.evalScripts()}, 10); |
| }, |
| |
| contentFromAnonymousTable: function() { |
| var div = document.createElement('div'); |
| div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
| return $A(div.childNodes[0].childNodes[0].childNodes); |
| } |
| } |
| |
| var Insertion = new Object(); |
| |
| Insertion.Before = Class.create(); |
| Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
| initializeRange: function() { |
| this.range.setStartBefore(this.element); |
| }, |
| |
| insertContent: function(fragments) { |
| fragments.each((function(fragment) { |
| this.element.parentNode.insertBefore(fragment, this.element); |
| }).bind(this)); |
| } |
| }); |
| |
| Insertion.Top = Class.create(); |
| Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
| initializeRange: function() { |
| this.range.selectNodeContents(this.element); |
| this.range.collapse(true); |
| }, |
| |
| insertContent: function(fragments) { |
| fragments.reverse(false).each((function(fragment) { |
| this.element.insertBefore(fragment, this.element.firstChild); |
| }).bind(this)); |
| } |
| }); |
| |
| Insertion.Bottom = Class.create(); |
| Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
| initializeRange: function() { |
| this.range.selectNodeContents(this.element); |
| this.range.collapse(this.element); |
| }, |
| |
| insertContent: function(fragments) { |
| fragments.each((function(fragment) { |
| this.element.appendChild(fragment); |
| }).bind(this)); |
| } |
| }); |
| |
| Insertion.After = Class.create(); |
| Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
| initializeRange: function() { |
| this.range.setStartAfter(this.element); |
| }, |
| |
| insertContent: function(fragments) { |
| fragments.each((function(fragment) { |
| this.element.parentNode.insertBefore(fragment, |
| this.element.nextSibling); |
| }).bind(this)); |
| } |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| Element.ClassNames = Class.create(); |
| Element.ClassNames.prototype = { |
| initialize: function(element) { |
| this.element = $(element); |
| }, |
| |
| _each: function(iterator) { |
| this.element.className.split(/\s+/).select(function(name) { |
| return name.length > 0; |
| })._each(iterator); |
| }, |
| |
| set: function(className) { |
| this.element.className = className; |
| }, |
| |
| add: function(classNameToAdd) { |
| if (this.include(classNameToAdd)) return; |
| this.set($A(this).concat(classNameToAdd).join(' ')); |
| }, |
| |
| remove: function(classNameToRemove) { |
| if (!this.include(classNameToRemove)) return; |
| this.set($A(this).without(classNameToRemove).join(' ')); |
| }, |
| |
| toString: function() { |
| return $A(this).join(' '); |
| } |
| }; |
| |
| Object.extend(Element.ClassNames.prototype, Enumerable); |
| /* Portions of the Selector class are derived from Jack Slocum’s DomQuery, |
| * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
| * license. Please see http://www.yui-ext.com/ for more information. */ |
| |
| var Selector = Class.create(); |
| |
| Selector.prototype = { |
| initialize: function(expression) { |
| this.expression = expression.strip(); |
| this.compileMatcher(); |
| }, |
| |
| compileMatcher: function() { |
| // Selectors with namespaced attributes can't use the XPath version |
| if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression)) |
| return this.compileXPathMatcher(); |
| |
| var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
| c = Selector.criteria, le, p, m; |
| |
| if (Selector._cache[e]) { |
| this.matcher = Selector._cache[e]; return; |
| } |
| this.matcher = ["this.matcher = function(root) {", |
| "var r = root, h = Selector.handlers, c = false, n;"]; |
| |
| while (e && le != e && (/\S/).test(e)) { |
| le = e; |
| for (var i in ps) { |
| p = ps[i]; |
| if (m = e.match(p)) { |
| this.matcher.push(typeof c[i] == 'function' ? c[i](m) : |
| new Template(c[i]).evaluate(m)); |
| e = e.replace(m[0], ''); |
| break; |
| } |
| } |
| } |
| |
| this.matcher.push("return h.unique(n);\n}"); |
| eval(this.matcher.join('\n')); |
| Selector._cache[this.expression] = this.matcher; |
| }, |
| |
| compileXPathMatcher: function() { |
| var e = this.expression, ps = Selector.patterns, |
| x = Selector.xpath, le, m; |
| |
| if (Selector._cache[e]) { |
| this.xpath = Selector._cache[e]; return; |
| } |
| |
| this.matcher = ['.//*']; |
| while (e && le != e && (/\S/).test(e)) { |
| le = e; |
| for (var i in ps) { |
| if (m = e.match(ps[i])) { |
| this.matcher.push(typeof x[i] == 'function' ? x[i](m) : |
| new Template(x[i]).evaluate(m)); |
| e = e.replace(m[0], ''); |
| break; |
| } |
| } |
| } |
| |
| this.xpath = this.matcher.join(''); |
| Selector._cache[this.expression] = this.xpath; |
| }, |
| |
| findElements: function(root) { |
| root = root || document; |
| if (this.xpath) return document._getElementsByXPath(this.xpath, root); |
| return this.matcher(root); |
| }, |
| |
| match: function(element) { |
| return this.findElements(document).include(element); |
| }, |
| |
| toString: function() { |
| return this.expression; |
| }, |
| |
| inspect: function() { |
| return "#<Selector:" + this.expression.inspect() + ">"; |
| } |
| }; |
| |
| Object.extend(Selector, { |
| _cache: {}, |
| |
| xpath: { |
| descendant: "//*", |
| child: "/*", |
| adjacent: "/following-sibling::*[1]", |
| laterSibling: '/following-sibling::*', |
| tagName: function(m) { |
| if (m[1] == '*') return ''; |
| return "[local-name()='" + m[1].toLowerCase() + |
| "' or local-name()='" + m[1].toUpperCase() + "']"; |
| }, |
| className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
| id: "[@id='#{1}']", |
| attrPresence: "[@#{1}]", |
| attr: function(m) { |
| m[3] = m[5] || m[6]; |
| return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
| }, |
| pseudo: function(m) { |
| var h = Selector.xpath.pseudos[m[1]]; |
| if (!h) return ''; |
| if (typeof h === 'function') return h(m); |
| return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
| }, |
| operators: { |
| '=': "[@#{1}='#{3}']", |
| '!=': "[@#{1}!='#{3}']", |
| '^=': "[starts-with(@#{1}, '#{3}')]", |
| '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
| '*=': "[contains(@#{1}, '#{3}')]", |
| '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
| '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
| }, |
| pseudos: { |
| 'first-child': '[not(preceding-sibling::*)]', |
| 'last-child': '[not(following-sibling::*)]', |
| 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
| 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
| 'checked': "[@checked]", |
| 'disabled': "[@disabled]", |
| 'enabled': "[not(@disabled)]", |
| 'not': function(m) { |
| var e = m[6], p = Selector.patterns, |
| x = Selector.xpath, le, m, v; |
| |
| var exclusion = []; |
| while (e && le != e && (/\S/).test(e)) { |
| le = e; |
| for (var i in p) { |
| if (m = e.match(p[i])) { |
| v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m); |
| exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
| e = e.replace(m[0], ''); |
| break; |
| } |
| } |
| } |
| return "[not(" + exclusion.join(" and ") + ")]"; |
| }, |
| 'nth-child': function(m) { |
| return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
| }, |
| 'nth-last-child': function(m) { |
| return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
| }, |
| 'nth-of-type': function(m) { |
| return Selector.xpath.pseudos.nth("position() ", m); |
| }, |
| 'nth-last-of-type': function(m) { |
| return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
| }, |
| 'first-of-type': function(m) { |
| m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
| }, |
| 'last-of-type': function(m) { |
| m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
| }, |
| 'only-of-type': function(m) { |
| var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
| }, |
| nth: function(fragment, m) { |
| var mm, formula = m[6], predicate; |
| if (formula == 'even') formula = '2n+0'; |
| if (formula == 'odd') formula = '2n+1'; |
| if (mm = formula.match(/^(\d+)$/)) // digit only |
| return '[' + fragment + "= " + mm[1] + ']'; |
| if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
| if (mm[1] == "-") mm[1] = -1; |
| var a = mm[1] ? Number(mm[1]) : 1; |
| var b = mm[2] ? Number(mm[2]) : 0; |
| predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
| "((#{fragment} - #{b}) div #{a} >= 0)]"; |
| return new Template(predicate).evaluate({ |
| fragment: fragment, a: a, b: b }); |
| } |
| } |
| } |
| }, |
| |
| criteria: { |
| tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
| className: 'n = h.className(n, r, "#{1}", c); c = false;', |
| id: 'n = h.id(n, r, "#{1}", c); c = false;', |
| attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', |
| attr: function(m) { |
| m[3] = (m[5] || m[6]); |
| return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); |
| }, |
| pseudo: function(m) { |
| if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
| return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
| }, |
| descendant: 'c = "descendant";', |
| child: 'c = "child";', |
| adjacent: 'c = "adjacent";', |
| laterSibling: 'c = "laterSibling";' |
| }, |
| |
| patterns: { |
| // combinators must be listed first |
| // (and descendant needs to be last combinator) |
| laterSibling: /^\s*~\s*/, |
| child: /^\s*>\s*/, |
| adjacent: /^\s*\+\s*/, |
| descendant: /^\s/, |
| |
| // selectors follow |
| tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
| id: /^#([\w\-\*]+)(\b|$)/, |
| className: /^\.([\w\-\*]+)(\b|$)/, |
| pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/, |
| attrPresence: /^\[([\w]+)\]/, |
| attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/ |
| }, |
| |
| handlers: { |
| // UTILITY FUNCTIONS |
| // joins two collections |
| concat: function(a, b) { |
| for (var i = 0, node; node = b[i]; i++) |
| a.push(node); |
| return a; |
| }, |
| |
| // marks an array of nodes for counting |
| mark: function(nodes) { |
| for (var i = 0, node; node = nodes[i]; i++) |
| node._counted = true; |
| return nodes; |
| }, |
| |
| unmark: function(nodes) { |
| for (var i = 0, node; node = nodes[i]; i++) |
| node._counted = undefined; |
| return nodes; |
| }, |
| |
| // mark each child node with its position (for nth calls) |
| // "ofType" flag indicates whether we're indexing for nth-of-type |
| // rather than nth-child |
| index: function(parentNode, reverse, ofType) { |
| parentNode._counted = true; |
| if (reverse) { |
| for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
| node = nodes[i]; |
| if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
| } |
| } else { |
| for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
| if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
| } |
| }, |
| |
| // filters out duplicates and extends all nodes |
| unique: function(nodes) { |
| if (nodes.length == 0) return nodes; |
| var results = [], n; |
| for (var i = 0, l = nodes.length; i < l; i++) |
| if (!(n = nodes[i])._counted) { |
| n._counted = true; |
| results.push(Element.extend(n)); |
| } |
| return Selector.handlers.unmark(results); |
| }, |
| |
| // COMBINATOR FUNCTIONS |
| descendant: function(nodes) { |
| var h = Selector.handlers; |
| for (var i = 0, results = [], node; node = nodes[i]; i++) |
| h.concat(results, node.getElementsByTagName('*')); |
| return results; |
| }, |
| |
| child: function(nodes) { |
| var h = Selector.handlers; |
| for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| for (var j = 0, children = [], child; child = node.childNodes[j]; j++) |
| if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
| } |
| return results; |
| }, |
| |
| adjacent: function(nodes) { |
| for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| var next = this.nextElementSibling(node); |
| if (next) results.push(next); |
| } |
| return results; |
| }, |
| |
| laterSibling: function(nodes) { |
| var h = Selector.handlers; |
| for (var i = 0, results = [], node; node = nodes[i]; i++) |
| h.concat(results, Element.nextSiblings(node)); |
| return results; |
| }, |
| |
| nextElementSibling: function(node) { |
| while (node = node.nextSibling) |
| if (node.nodeType == 1) return node; |
| return null; |
| }, |
| |
| previousElementSibling: function(node) { |
| while (node = node.previousSibling) |
| if (node.nodeType == 1) return node; |
| return null; |
| }, |
| |
| // TOKEN FUNCTIONS |
| tagName: function(nodes, root, tagName, combinator) { |
| tagName = tagName.toUpperCase(); |
| var results = [], h = Selector.handlers; |
| if (nodes) { |
| if (combinator) { |
| // fastlane for ordinary descendant combinators |
| if (combinator == "descendant") { |
| for (var i = 0, node; node = nodes[i]; i++) |
| h.concat(results, node.getElementsByTagName(tagName)); |
| return results; |
| } else nodes = this[combinator](nodes); |
| if (tagName == "*") return nodes; |
| } |
| for (var i = 0, node; node = nodes[i]; i++) |
| if (node.tagName.toUpperCase() == tagName) results.push(node); |
| return results; |
| } else return root.getElementsByTagName(tagName); |
| }, |
| |
| id: function(nodes, root, id, combinator) { |
| var targetNode = $(id), h = Selector.handlers; |
| if (!nodes && root == document) return targetNode ? [targetNode] : []; |
| if (nodes) { |
| if (combinator) { |
| if (combinator == 'child') { |
| for (var i = 0, node; node = nodes[i]; i++) |
| if (targetNode.parentNode == node) return [targetNode]; |
| } else if (combinator == 'descendant') { |
| for (var i = 0, node; node = nodes[i]; i++) |
| if (Element.descendantOf(targetNode, node)) return [targetNode]; |
| } else if (combinator == 'adjacent') { |
| for (var i = 0, node; node = nodes[i]; i++) |
| if (Selector.handlers.previousElementSibling(targetNode) == node) |
| return [targetNode]; |
| } else nodes = h[combinator](nodes); |
| } |
| for (var i = 0, node; node = nodes[i]; i++) |
| if (node == targetNode) return [targetNode]; |
| return []; |
| } |
| return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
| }, |
| |
| className: function(nodes, root, className, combinator) { |
| if (nodes && combinator) nodes = this[combinator](nodes); |
| return Selector.handlers.byClassName(nodes, root, className); |
| }, |
| |
| byClassName: function(nodes, root, className) { |
| if (!nodes) nodes = Selector.handlers.descendant([root]); |
| var needle = ' ' + className + ' '; |
| for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
| nodeClassName = node.className; |
| if (nodeClassName.length == 0) continue; |
| if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
| results.push(node); |
| } |
| return results; |
| }, |
| |
| attrPresence: function(nodes, root, attr) { |
| var results = []; |
| for (var i = 0, node; node = nodes[i]; i++) |
| if (Element.hasAttribute(node, attr)) results.push(node); |
| return results; |
| }, |
| |
| attr: function(nodes, root, attr, value, operator) { |
| if (!nodes) nodes = root.getElementsByTagName("*"); |
| var handler = Selector.operators[operator], results = []; |
| for (var i = 0, node; node = nodes[i]; i++) { |
| var nodeValue = Element.readAttribute(node, attr); |
| if (nodeValue === null) continue; |
| if (handler(nodeValue, value)) results.push(node); |
| } |
| return results; |
| }, |
| |
| pseudo: function(nodes, name, value, root, combinator) { |
| if (nodes && combinator) nodes = this[combinator](nodes); |
| if (!nodes) nodes = root.getElementsByTagName("*"); |
| return Selector.pseudos[name](nodes, value, root); |
| } |
| }, |
| |
| pseudos: { |
| 'first-child': function(nodes, value, root) { |
| for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| if (Selector.handlers.previousElementSibling(node)) continue; |
| results.push(node); |
| } |
| return results; |
| }, |
| 'last-child': function(nodes, value, root) { |
| for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| if (Selector.handlers.nextElementSibling(node)) continue; |
| results.push(node); |
| } |
| return results; |
| }, |
| 'only-child': function(nodes, value, root) { |
| var h = Selector.handlers; |
| for (var i = 0, results = [], node; node = nodes[i]; i++) |
| if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
| results.push(node); |
| return results; |
| }, |
| 'nth-child': function(nodes, formula, root) { |
| return Selector.pseudos.nth(nodes, formula, root); |
| }, |
| 'nth-last-child': function(nodes, formula, root) { |
| return Selector.pseudos.nth(nodes, formula, root, true); |
| }, |
| 'nth-of-type': function(nodes, formula, root) { |
| return Selector.pseudos.nth(nodes, formula, root, false, true); |
| }, |
| 'nth-last-of-type': function(nodes, formula, root) { |
| return Selector.pseudos.nth(nodes, formula, root, true, true); |
| }, |
| 'first-of-type': function(nodes, formula, root) { |
| return Selector.pseudos.nth(nodes, "1", root, false, true); |
| }, |
| 'last-of-type': function(nodes, formula, root) { |
| return Selector.pseudos.nth(nodes, "1", root, true, true); |
| }, |
| 'only-of-type': function(nodes, formula, root) { |
| var p = Selector.pseudos; |
| return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
| }, |
| |
| // handles the an+b logic |
| getIndices: function(a, b, total) { |
| if (a == 0) return b > 0 ? [b] : []; |
| return $R(1, total).inject([], function(memo, i) { |
| if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
| return memo; |
| }); |
| }, |
| |
| // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
| nth: function(nodes, formula, root, reverse, ofType) { |
| if (nodes.length == 0) return []; |
| if (formula == 'even') formula = '2n+0'; |
| if (formula == 'odd') formula = '2n+1'; |
| var h = Selector.handlers, results = [], indexed = [], m; |
| h.mark(nodes); |
| for (var i = 0, node; node = nodes[i]; i++) { |
| if (!node.parentNode._counted) { |
| h.index(node.parentNode, reverse, ofType); |
| indexed.push(node.parentNode); |
| } |
| } |
| if (formula.match(/^\d+$/)) { // just a number |
| formula = Number(formula); |
| for (var i = 0, node; node = nodes[i]; i++) |
| if (node.nodeIndex == formula) results.push(node); |
| } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
| if (m[1] == "-") m[1] = -1; |
| var a = m[1] ? Number(m[1]) : 1; |
| var b = m[2] ? Number(m[2]) : 0; |
| var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
| for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
| for (var j = 0; j < l; j++) |
| if (node.nodeIndex == indices[j]) results.push(node); |
| } |
| } |
| h.unmark(nodes); |
| h.unmark(indexed); |
| return results; |
| }, |
| |
| 'empty': function(nodes, value, root) { |
| for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| // IE treats comments as element nodes |
| if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
| results.push(node); |
| } |
| return results; |
| }, |
| |
| 'not': function(nodes, selector, root) { |
| var h = Selector.handlers, selectorType, m; |
| var exclusions = new Selector(selector).findElements(root); |
| h.mark(exclusions); |
| for (var i = 0, results = [], node; node = nodes[i]; i++) |
| if (!node._counted) results.push(node); |
| h.unmark(exclusions); |
| return results; |
| }, |
| |
| 'enabled': function(nodes, value, root) { |
| for (var i = 0, results = [], node; node = nodes[i]; i++) |
| if (!node.disabled) results.push(node); |
| return results; |
| }, |
| |
| 'disabled': function(nodes, value, root) { |
| for (var i = 0, results = [], node; node = nodes[i]; i++) |
| if (node.disabled) results.push(node); |
| return results; |
| }, |
| |
| 'checked': function(nodes, value, root) { |
| for (var i = 0, results = [], node; node = nodes[i]; i++) |
| if (node.checked) results.push(node); |
| return results; |
| } |
| }, |
| |
| operators: { |
| '=': function(nv, v) { return nv == v; }, |
| '!=': function(nv, v) { return nv != v; }, |
| '^=': function(nv, v) { return nv.startsWith(v); }, |
| '$=': function(nv, v) { return nv.endsWith(v); }, |
| '*=': function(nv, v) { return nv.include(v); }, |
| '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
| '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } |
| }, |
| |
| matchElements: function(elements, expression) { |
| var matches = new Selector(expression).findElements(), h = Selector.handlers; |
| h.mark(matches); |
| for (var i = 0, results = [], element; element = elements[i]; i++) |
| if (element._counted) results.push(element); |
| h.unmark(matches); |
| return results; |
| }, |
| |
| findElement: function(elements, expression, index) { |
| if (typeof expression == 'number') { |
| index = expression; expression = false; |
| } |
| return Selector.matchElements(elements, expression || '*')[index || 0]; |
| }, |
| |
| findChildElements: function(element, expressions) { |
| var exprs = expressions.join(','), expressions = []; |
| exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
| expressions.push(m[1].strip()); |
| }); |
| var results = [], h = Selector.handlers; |
| for (var i = 0, l = expressions.length, selector; i < l; i++) { |
| selector = new Selector(expressions[i].strip()); |
| h.concat(results, selector.findElements(element)); |
| } |
| return (l > 1) ? h.unique(results) : results; |
| } |
| }); |
| |
| function $$() { |
| return Selector.findChildElements(document, $A(arguments)); |
| } |
| var Form = { |
| reset: function(form) { |
| $(form).reset(); |
| return form; |
| }, |
| |
| serializeElements: function(elements, getHash) { |
| var data = elements.inject({}, function(result, element) { |
| if (!element.disabled && element.name) { |
| var key = element.name, value = $(element).getValue(); |
| if (value != null) { |
| if (key in result) { |
| if (result[key].constructor != Array) result[key] = [result[key]]; |
| result[key].push(value); |
| } |
| else result[key] = value; |
| } |
| } |
| return result; |
| }); |
| |
| return getHash ? data : Hash.toQueryString(data); |
| } |
| }; |
| |
| Form.Methods = { |
| serialize: function(form, getHash) { |
| return Form.serializeElements(Form.getElements(form), getHash); |
| }, |
| |
| getElements: function(form) { |
| return $A($(form).getElementsByTagName('*')).inject([], |
| function(elements, child) { |
| if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
| elements.push(Element.extend(child)); |
| return elements; |
| } |
| ); |
| }, |
| |
| getInputs: function(form, typeName, name) { |
| form = $(form); |
| var inputs = form.getElementsByTagName('input'); |
| |
| if (!typeName && !name) return $A(inputs).map(Element.extend); |
| |
| for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
| var input = inputs[i]; |
| if ((typeName && input.type != typeName) || (name && input.name != name)) |
| continue; |
| matchingInputs.push(Element.extend(input)); |
| } |
| |
| return matchingInputs; |
| }, |
| |
| disable: function(form) { |
| form = $(form); |
| Form.getElements(form).invoke('disable'); |
| return form; |
| }, |
| |
| enable: function(form) { |
| form = $(form); |
| Form.getElements(form).invoke('enable'); |
| return form; |
| }, |
| |
| findFirstElement: function(form) { |
| return $(form).getElements().find(function(element) { |
| return element.type != 'hidden' && !element.disabled && |
| ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
| }); |
| }, |
| |
| focusFirstElement: function(form) { |
| form = $(form); |
| form.findFirstElement().activate(); |
| return form; |
| }, |
| |
| request: function(form, options) { |
| form = $(form), options = Object.clone(options || {}); |
| |
| var params = options.parameters; |
| options.parameters = form.serialize(true); |
| |
| if (params) { |
| if (typeof params == 'string') params = params.toQueryParams(); |
| Object.extend(options.parameters, params); |
| } |
| |
| if (form.hasAttribute('method') && !options.method) |
| options.method = form.method; |
| |
| return new Ajax.Request(form.readAttribute('action'), options); |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| Form.Element = { |
| focus: function(element) { |
| $(element).focus(); |
| return element; |
| }, |
| |
| select: function(element) { |
| $(element).select(); |
| return element; |
| } |
| } |
| |
| Form.Element.Methods = { |
| serialize: function(element) { |
| element = $(element); |
| if (!element.disabled && element.name) { |
| var value = element.getValue(); |
| if (value != undefined) { |
| var pair = {}; |
| pair[element.name] = value; |
| return Hash.toQueryString(pair); |
| } |
| } |
| return ''; |
| }, |
| |
| getValue: function(element) { |
| element = $(element); |
| var method = element.tagName.toLowerCase(); |
| return Form.Element.Serializers[method](element); |
| }, |
| |
| clear: function(element) { |
| $(element).value = ''; |
| return element; |
| }, |
| |
| present: function(element) { |
| return $(element).value != ''; |
| }, |
| |
| activate: function(element) { |
| element = $(element); |
| try { |
| element.focus(); |
| if (element.select && (element.tagName.toLowerCase() != 'input' || |
| !['button', 'reset', 'submit'].include(element.type))) |
| element.select(); |
| } catch (e) {} |
| return element; |
| }, |
| |
| disable: function(element) { |
| element = $(element); |
| element.blur(); |
| element.disabled = true; |
| return element; |
| }, |
| |
| enable: function(element) { |
| element = $(element); |
| element.disabled = false; |
| return element; |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| var Field = Form.Element; |
| var $F = Form.Element.Methods.getValue; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| Form.Element.Serializers = { |
| input: function(element) { |
| switch (element.type.toLowerCase()) { |
| case 'checkbox': |
| case 'radio': |
| return Form.Element.Serializers.inputSelector(element); |
| default: |
| return Form.Element.Serializers.textarea(element); |
| } |
| }, |
| |
| inputSelector: function(element) { |
| return element.checked ? element.value : null; |
| }, |
| |
| textarea: function(element) { |
| return element.value; |
| }, |
| |
| select: function(element) { |
| return this[element.type == 'select-one' ? |
| 'selectOne' : 'selectMany'](element); |
| }, |
| |
| selectOne: function(element) { |
| var index = element.selectedIndex; |
| return index >= 0 ? this.optionValue(element.options[index]) : null; |
| }, |
| |
| selectMany: function(element) { |
| var values, length = element.length; |
| if (!length) return null; |
| |
| for (var i = 0, values = []; i < length; i++) { |
| var opt = element.options[i]; |
| if (opt.selected) values.push(this.optionValue(opt)); |
| } |
| return values; |
| }, |
| |
| optionValue: function(opt) { |
| // extend element because hasAttribute may not be native |
| return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| Abstract.TimedObserver = function() {} |
| Abstract.TimedObserver.prototype = { |
| initialize: function(element, frequency, callback) { |
| this.frequency = frequency; |
| this.element = $(element); |
| this.callback = callback; |
| |
| this.lastValue = this.getValue(); |
| this.registerCallback(); |
| }, |
| |
| registerCallback: function() { |
| setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
| }, |
| |
| onTimerEvent: function() { |
| var value = this.getValue(); |
| var changed = ('string' == typeof this.lastValue && 'string' == typeof value |
| ? this.lastValue != value : String(this.lastValue) != String(value)); |
| if (changed) { |
| this.callback(this.element, value); |
| this.lastValue = value; |
| } |
| } |
| } |
| |
| Form.Element.Observer = Class.create(); |
| Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
| getValue: function() { |
| return Form.Element.getValue(this.element); |
| } |
| }); |
| |
| Form.Observer = Class.create(); |
| Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
| getValue: function() { |
| return Form.serialize(this.element); |
| } |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| Abstract.EventObserver = function() {} |
| Abstract.EventObserver.prototype = { |
| initialize: function(element, callback) { |
| this.element = $(element); |
| this.callback = callback; |
| |
| this.lastValue = this.getValue(); |
| if (this.element.tagName.toLowerCase() == 'form') |
| this.registerFormCallbacks(); |
| else |
| this.registerCallback(this.element); |
| }, |
| |
| onElementEvent: function() { |
| var value = this.getValue(); |
| if (this.lastValue != value) { |
| this.callback(this.element, value); |
| this.lastValue = value; |
| } |
| }, |
| |
| registerFormCallbacks: function() { |
| Form.getElements(this.element).each(this.registerCallback.bind(this)); |
| }, |
| |
| registerCallback: function(element) { |
| if (element.type) { |
| switch (element.type.toLowerCase()) { |
| case 'checkbox': |
| case 'radio': |
| Event.observe(element, 'click', this.onElementEvent.bind(this)); |
| break; |
| default: |
| Event.observe(element, 'change', this.onElementEvent.bind(this)); |
| break; |
| } |
| } |
| } |
| } |
| |
| Form.Element.EventObserver = Class.create(); |
| Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
| getValue: function() { |
| return Form.Element.getValue(this.element); |
| } |
| }); |
| |
| Form.EventObserver = Class.create(); |
| Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
| getValue: function() { |
| return Form.serialize(this.element); |
| } |
| }); |
| if (!window.Event) { |
| var Event = new Object(); |
| } |
| |
| Object.extend(Event, { |
| KEY_BACKSPACE: 8, |
| KEY_TAB: 9, |
| KEY_RETURN: 13, |
| KEY_ESC: 27, |
| KEY_LEFT: 37, |
| KEY_UP: 38, |
| KEY_RIGHT: 39, |
| KEY_DOWN: 40, |
| KEY_DELETE: 46, |
| KEY_HOME: 36, |
| KEY_END: 35, |
| KEY_PAGEUP: 33, |
| KEY_PAGEDOWN: 34, |
| |
| element: function(event) { |
| return $(event.target || event.srcElement); |
| }, |
| |
| isLeftClick: function(event) { |
| return (((event.which) && (event.which == 1)) || |
| ((event.button) && (event.button == 1))); |
| }, |
| |
| pointerX: function(event) { |
| return event.pageX || (event.clientX + |
| (document.documentElement.scrollLeft || document.body.scrollLeft)); |
| }, |
| |
| pointerY: function(event) { |
| return event.pageY || (event.clientY + |
| (document.documentElement.scrollTop || document.body.scrollTop)); |
| }, |
| |
| stop: function(event) { |
| if (event.preventDefault) { |
| event.preventDefault(); |
| event.stopPropagation(); |
| } else { |
| event.returnValue = false; |
| event.cancelBubble = true; |
| } |
| }, |
| |
| // find the first node with the given tagName, starting from the |
| // node the event was triggered on; traverses the DOM upwards |
| findElement: function(event, tagName) { |
| var element = Event.element(event); |
| while (element.parentNode && (!element.tagName || |
| (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
| element = element.parentNode; |
| return element; |
| }, |
| |
| observers: false, |
| |
| _observeAndCache: function(element, name, observer, useCapture) { |
| if (!this.observers) this.observers = []; |
| if (element.addEventListener) { |
| this.observers.push([element, name, observer, useCapture]); |
| element.addEventListener(name, observer, useCapture); |
| } else if (element.attachEvent) { |
| this.observers.push([element, name, observer, useCapture]); |
| element.attachEvent('on' + name, observer); |
| } |
| }, |
| |
| unloadCache: function() { |
| if (!Event.observers) return; |
| for (var i = 0, length = Event.observers.length; i < length; i++) { |
| Event.stopObserving.apply(this, Event.observers[i]); |
| Event.observers[i][0] = null; |
| } |
| Event.observers = false; |
| }, |
| |
| observe: function(element, name, observer, useCapture) { |
| element = $(element); |
| useCapture = useCapture || false; |
| |
| if (name == 'keypress' && |
| (Prototype.Browser.WebKit || element.attachEvent)) |
| name = 'keydown'; |
| |
| Event._observeAndCache(element, name, observer, useCapture); |
| }, |
| |
| stopObserving: function(element, name, observer, useCapture) { |
| element = $(element); |
| useCapture = useCapture || false; |
| |
| if (name == 'keypress' && |
| (Prototype.Browser.WebKit || element.attachEvent)) |
| name = 'keydown'; |
| |
| if (element.removeEventListener) { |
| element.removeEventListener(name, observer, useCapture); |
| } else if (element.detachEvent) { |
| try { |
| element.detachEvent('on' + name, observer); |
| } catch (e) {} |
| } |
| } |
| }); |
| |
| /* prevent memory leaks in IE */ |
| if (Prototype.Browser.IE) |
| Event.observe(window, 'unload', Event.unloadCache, false); |
| var Position = { |
| // set to true if needed, warning: firefox performance problems |
| // NOT neeeded for page scrolling, only if draggable contained in |
| // scrollable elements |
| includeScrollOffsets: false, |
| |
| // must be called before calling withinIncludingScrolloffset, every time the |
| // page is scrolled |
| prepare: function() { |
| this.deltaX = window.pageXOffset |
| || document.documentElement.scrollLeft |
| || document.body.scrollLeft |
| || 0; |
| this.deltaY = window.pageYOffset |
| || document.documentElement.scrollTop |
| || document.body.scrollTop |
| || 0; |
| }, |
| |
| realOffset: function(element) { |
| var valueT = 0, valueL = 0; |
| do { |
| valueT += element.scrollTop || 0; |
| valueL += element.scrollLeft || 0; |
| element = element.parentNode; |
| } while (element); |
| return [valueL, valueT]; |
| }, |
| |
| cumulativeOffset: function(element) { |
| var valueT = 0, valueL = 0; |
| do { |
| valueT += element.offsetTop || 0; |
| valueL += element.offsetLeft || 0; |
| element = element.offsetParent; |
| } while (element); |
| return [valueL, valueT]; |
| }, |
| |
| positionedOffset: function(element) { |
| var valueT = 0, valueL = 0; |
| do { |
| valueT += element.offsetTop || 0; |
| valueL += element.offsetLeft || 0; |
| element = element.offsetParent; |
| if (element) { |
| if(element.tagName=='BODY') break; |
| var p = Element.getStyle(element, 'position'); |
| if (p == 'relative' || p == 'absolute') break; |
| } |
| } while (element); |
| return [valueL, valueT]; |
| }, |
| |
| offsetParent: function(element) { |
| if (element.offsetParent) return element.offsetParent; |
| if (element == document.body) return element; |
| |
| while ((element = element.parentNode) && element != document.body) |
| if (Element.getStyle(element, 'position') != 'static') |
| return element; |
| |
| return document.body; |
| }, |
| |
| // caches x/y coordinate pair to use with overlap |
| within: function(element, x, y) { |
| if (this.includeScrollOffsets) |
| return this.withinIncludingScrolloffsets(element, x, y); |
| this.xcomp = x; |
| this.ycomp = y; |
| this.offset = this.cumulativeOffset(element); |
| |
| return (y >= this.offset[1] && |
| y < this.offset[1] + element.offsetHeight && |
| x >= this.offset[0] && |
| x < this.offset[0] + element.offsetWidth); |
| }, |
| |
| withinIncludingScrolloffsets: function(element, x, y) { |
| var offsetcache = this.realOffset(element); |
| |
| this.xcomp = x + offsetcache[0] - this.deltaX; |
| this.ycomp = y + offsetcache[1] - this.deltaY; |
| this.offset = this.cumulativeOffset(element); |
| |
| return (this.ycomp >= this.offset[1] && |
| this.ycomp < this.offset[1] + element.offsetHeight && |
| this.xcomp >= this.offset[0] && |
| this.xcomp < this.offset[0] + element.offsetWidth); |
| }, |
| |
| // within must be called directly before |
| overlap: function(mode, element) { |
| if (!mode) return 0; |
| if (mode == 'vertical') |
| return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
| element.offsetHeight; |
| if (mode == 'horizontal') |
| return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
| element.offsetWidth; |
| }, |
| |
| page: function(forElement) { |
| var valueT = 0, valueL = 0; |
| |
| var element = forElement; |
| do { |
| valueT += element.offsetTop || 0; |
| valueL += element.offsetLeft || 0; |
| |
| // Safari fix |
| if (element.offsetParent == document.body) |
| if (Element.getStyle(element,'position')=='absolute') break; |
| |
| } while (element = element.offsetParent); |
| |
| element = forElement; |
| do { |
| if (!window.opera || element.tagName=='BODY') { |
| valueT -= element.scrollTop || 0; |
| valueL -= element.scrollLeft || 0; |
| } |
| } while (element = element.parentNode); |
| |
| return [valueL, valueT]; |
| }, |
| |
| clone: function(source, target) { |
| var options = Object.extend({ |
| setLeft: true, |
| setTop: true, |
| setWidth: true, |
| setHeight: true, |
| offsetTop: 0, |
| offsetLeft: 0 |
| }, arguments[2] || {}) |
| |
| // find page position of source |
| source = $(source); |
| var p = Position.page(source); |
| |
| // find coordinate system to use |
| target = $(target); |
| var delta = [0, 0]; |
| var parent = null; |
| // delta [0,0] will do fine with position: fixed elements, |
| // position:absolute needs offsetParent deltas |
| if (Element.getStyle(target,'position') == 'absolute') { |
| parent = Position.offsetParent(target); |
| delta = Position.page(parent); |
| } |
| |
| // correct by body offsets (fixes Safari) |
| if (parent == document.body) { |
| delta[0] -= document.body.offsetLeft; |
| delta[1] -= document.body.offsetTop; |
| } |
| |
| // set position |
| if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
| if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
| if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
| if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
| }, |
| |
| absolutize: function(element) { |
| element = $(element); |
| if (element.style.position == 'absolute') return; |
| Position.prepare(); |
| |
| var offsets = Position.positionedOffset(element); |
| var top = offsets[1]; |
| var left = offsets[0]; |
| var width = element.clientWidth; |
| var height = element.clientHeight; |
| |
| element._originalLeft = left - parseFloat(element.style.left || 0); |
| element._originalTop = top - parseFloat(element.style.top || 0); |
| element._originalWidth = element.style.width; |
| element._originalHeight = element.style.height; |
| |
| element.style.position = 'absolute'; |
| element.style.top = top + 'px'; |
| element.style.left = left + 'px'; |
| element.style.width = width + 'px'; |
| element.style.height = height + 'px'; |
| }, |
| |
| relativize: function(element) { |
| element = $(element); |
| if (element.style.position == 'relative') return; |
| Position.prepare(); |
| |
| element.style.position = 'relative'; |
| var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
| var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
| |
| element.style.top = top + 'px'; |
| element.style.left = left + 'px'; |
| element.style.height = element._originalHeight; |
| element.style.width = element._originalWidth; |
| } |
| } |
| |
| // Safari returns margins on body which is incorrect if the child is absolutely |
| // positioned. For performance reasons, redefine Position.cumulativeOffset for |
| // KHTML/WebKit only. |
| if (Prototype.Browser.WebKit) { |
| Position.cumulativeOffset = function(element) { |
| var valueT = 0, valueL = 0; |
| do { |
| valueT += element.offsetTop || 0; |
| valueL += element.offsetLeft || 0; |
| if (element.offsetParent == document.body) |
| if (Element.getStyle(element, 'position') == 'absolute') break; |
| |
| element = element.offsetParent; |
| } while (element); |
| |
| return [valueL, valueT]; |
| } |
| } |
| |
| Element.addMethods(); |