[766] | 1 | /* Prototype JavaScript framework, version 1.6.1 |
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| 2 | * (c) 2005-2009 Sam Stephenson |
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| 3 | * |
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| 4 | * Prototype is freely distributable under the terms of an MIT-style license. |
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| 5 | * For details, see the Prototype web site: http://www.prototypejs.org/ |
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| 6 | * |
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| 7 | *--------------------------------------------------------------------------*/ |
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| 8 | |
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| 9 | var Prototype = { |
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| 10 | Version: '1.6.1', |
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| 11 | |
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| 12 | Browser: (function(){ |
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| 13 | var ua = navigator.userAgent; |
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| 14 | var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]'; |
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| 15 | return { |
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| 16 | IE: !!window.attachEvent && !isOpera, |
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| 17 | Opera: isOpera, |
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| 18 | WebKit: ua.indexOf('AppleWebKit/') > -1, |
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| 19 | Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1, |
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| 20 | MobileSafari: /Apple.*Mobile.*Safari/.test(ua) |
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| 21 | } |
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| 22 | })(), |
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| 23 | |
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| 24 | BrowserFeatures: { |
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| 25 | XPath: !!document.evaluate, |
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| 26 | SelectorsAPI: !!document.querySelector, |
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| 27 | ElementExtensions: (function() { |
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| 28 | var constructor = window.Element || window.HTMLElement; |
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| 29 | return !!(constructor && constructor.prototype); |
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| 30 | })(), |
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| 31 | SpecificElementExtensions: (function() { |
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| 32 | if (typeof window.HTMLDivElement !== 'undefined') |
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| 33 | return true; |
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| 34 | |
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| 35 | var div = document.createElement('div'); |
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| 36 | var form = document.createElement('form'); |
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| 37 | var isSupported = false; |
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| 38 | |
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| 39 | if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) { |
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| 40 | isSupported = true; |
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| 41 | } |
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| 42 | |
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| 43 | div = form = null; |
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| 44 | |
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| 45 | return isSupported; |
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| 46 | })() |
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| 47 | }, |
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| 48 | |
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| 49 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
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| 50 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, |
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| 51 | |
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| 52 | emptyFunction: function() { }, |
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| 53 | K: function(x) { return x } |
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| 54 | }; |
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| 55 | |
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| 56 | if (Prototype.Browser.MobileSafari) |
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| 57 | Prototype.BrowserFeatures.SpecificElementExtensions = false; |
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| 58 | |
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| 59 | |
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| 60 | var Abstract = { }; |
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| 61 | |
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| 62 | |
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| 63 | var Try = { |
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| 64 | these: function() { |
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| 65 | var returnValue; |
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| 66 | |
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| 67 | for (var i = 0, length = arguments.length; i < length; i++) { |
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| 68 | var lambda = arguments[i]; |
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| 69 | try { |
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| 70 | returnValue = lambda(); |
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| 71 | break; |
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| 72 | } catch (e) { } |
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| 73 | } |
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| 74 | |
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| 75 | return returnValue; |
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| 76 | } |
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| 77 | }; |
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| 78 | |
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| 79 | /* Based on Alex Arnell's inheritance implementation. */ |
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| 80 | |
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| 81 | var Class = (function() { |
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| 82 | function subclass() {}; |
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| 83 | function create() { |
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| 84 | var parent = null, properties = $A(arguments); |
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| 85 | if (Object.isFunction(properties[0])) |
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| 86 | parent = properties.shift(); |
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| 87 | |
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| 88 | function klass() { |
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| 89 | this.initialize.apply(this, arguments); |
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| 90 | } |
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| 91 | |
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| 92 | Object.extend(klass, Class.Methods); |
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| 93 | klass.superclass = parent; |
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| 94 | klass.subclasses = []; |
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| 95 | |
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| 96 | if (parent) { |
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| 97 | subclass.prototype = parent.prototype; |
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| 98 | klass.prototype = new subclass; |
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| 99 | parent.subclasses.push(klass); |
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| 100 | } |
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| 101 | |
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| 102 | for (var i = 0; i < properties.length; i++) |
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| 103 | klass.addMethods(properties[i]); |
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| 104 | |
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| 105 | if (!klass.prototype.initialize) |
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| 106 | klass.prototype.initialize = Prototype.emptyFunction; |
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| 107 | |
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| 108 | klass.prototype.constructor = klass; |
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| 109 | return klass; |
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| 110 | } |
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| 111 | |
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| 112 | function addMethods(source) { |
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| 113 | var ancestor = this.superclass && this.superclass.prototype; |
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| 114 | var properties = Object.keys(source); |
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| 115 | |
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| 116 | if (!Object.keys({ toString: true }).length) { |
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| 117 | if (source.toString != Object.prototype.toString) |
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| 118 | properties.push("toString"); |
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| 119 | if (source.valueOf != Object.prototype.valueOf) |
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| 120 | properties.push("valueOf"); |
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| 121 | } |
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| 122 | |
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| 123 | for (var i = 0, length = properties.length; i < length; i++) { |
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| 124 | var property = properties[i], value = source[property]; |
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| 125 | if (ancestor && Object.isFunction(value) && |
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| 126 | value.argumentNames().first() == "$super") { |
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| 127 | var method = value; |
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| 128 | value = (function(m) { |
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| 129 | return function() { return ancestor[m].apply(this, arguments); }; |
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| 130 | })(property).wrap(method); |
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| 131 | |
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| 132 | value.valueOf = method.valueOf.bind(method); |
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| 133 | value.toString = method.toString.bind(method); |
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| 134 | } |
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| 135 | this.prototype[property] = value; |
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| 136 | } |
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| 137 | |
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| 138 | return this; |
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| 139 | } |
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| 140 | |
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| 141 | return { |
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| 142 | create: create, |
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| 143 | Methods: { |
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| 144 | addMethods: addMethods |
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| 145 | } |
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| 146 | }; |
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| 147 | })(); |
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| 148 | (function() { |
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| 149 | |
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| 150 | var _toString = Object.prototype.toString; |
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| 151 | |
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| 152 | function extend(destination, source) { |
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| 153 | for (var property in source) |
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| 154 | destination[property] = source[property]; |
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| 155 | return destination; |
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| 156 | } |
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| 157 | |
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| 158 | function inspect(object) { |
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| 159 | try { |
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| 160 | if (isUndefined(object)) return 'undefined'; |
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| 161 | if (object === null) return 'null'; |
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| 162 | return object.inspect ? object.inspect() : String(object); |
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| 163 | } catch (e) { |
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| 164 | if (e instanceof RangeError) return '...'; |
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| 165 | throw e; |
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| 166 | } |
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| 167 | } |
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| 168 | |
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| 169 | function toJSON(object) { |
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| 170 | var type = typeof object; |
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| 171 | switch (type) { |
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| 172 | case 'undefined': |
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| 173 | case 'function': |
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| 174 | case 'unknown': return; |
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| 175 | case 'boolean': return object.toString(); |
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| 176 | } |
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| 177 | |
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| 178 | if (object === null) return 'null'; |
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| 179 | if (object.toJSON) return object.toJSON(); |
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| 180 | if (isElement(object)) return; |
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| 181 | |
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| 182 | var results = []; |
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| 183 | for (var property in object) { |
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| 184 | var value = toJSON(object[property]); |
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| 185 | if (!isUndefined(value)) |
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| 186 | results.push(property.toJSON() + ': ' + value); |
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| 187 | } |
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| 188 | |
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| 189 | return '{' + results.join(', ') + '}'; |
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| 190 | } |
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| 191 | |
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| 192 | function toQueryString(object) { |
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| 193 | return $H(object).toQueryString(); |
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| 194 | } |
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| 195 | |
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| 196 | function toHTML(object) { |
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| 197 | return object && object.toHTML ? object.toHTML() : String.interpret(object); |
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| 198 | } |
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| 199 | |
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| 200 | function keys(object) { |
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| 201 | var results = []; |
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| 202 | for (var property in object) |
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| 203 | results.push(property); |
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| 204 | return results; |
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| 205 | } |
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| 206 | |
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| 207 | function values(object) { |
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| 208 | var results = []; |
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| 209 | for (var property in object) |
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| 210 | results.push(object[property]); |
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| 211 | return results; |
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| 212 | } |
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| 213 | |
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| 214 | function clone(object) { |
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| 215 | return extend({ }, object); |
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| 216 | } |
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| 217 | |
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| 218 | function isElement(object) { |
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| 219 | return !!(object && object.nodeType == 1); |
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| 220 | } |
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| 221 | |
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| 222 | function isArray(object) { |
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| 223 | return _toString.call(object) == "[object Array]"; |
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| 224 | } |
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| 225 | |
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| 226 | |
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| 227 | function isHash(object) { |
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| 228 | return object instanceof Hash; |
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| 229 | } |
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| 230 | |
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| 231 | function isFunction(object) { |
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| 232 | return typeof object === "function"; |
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| 233 | } |
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| 234 | |
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| 235 | function isString(object) { |
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| 236 | return _toString.call(object) == "[object String]"; |
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| 237 | } |
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| 238 | |
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| 239 | function isNumber(object) { |
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| 240 | return _toString.call(object) == "[object Number]"; |
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| 241 | } |
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| 242 | |
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| 243 | function isUndefined(object) { |
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| 244 | return typeof object === "undefined"; |
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| 245 | } |
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| 246 | |
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| 247 | extend(Object, { |
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| 248 | extend: extend, |
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| 249 | inspect: inspect, |
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| 250 | toJSON: toJSON, |
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| 251 | toQueryString: toQueryString, |
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| 252 | toHTML: toHTML, |
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| 253 | keys: keys, |
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| 254 | values: values, |
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| 255 | clone: clone, |
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| 256 | isElement: isElement, |
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| 257 | isArray: isArray, |
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| 258 | isHash: isHash, |
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| 259 | isFunction: isFunction, |
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| 260 | isString: isString, |
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| 261 | isNumber: isNumber, |
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| 262 | isUndefined: isUndefined |
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| 263 | }); |
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| 264 | })(); |
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| 265 | Object.extend(Function.prototype, (function() { |
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| 266 | var slice = Array.prototype.slice; |
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| 267 | |
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| 268 | function update(array, args) { |
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| 269 | var arrayLength = array.length, length = args.length; |
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| 270 | while (length--) array[arrayLength + length] = args[length]; |
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| 271 | return array; |
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| 272 | } |
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| 273 | |
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| 274 | function merge(array, args) { |
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| 275 | array = slice.call(array, 0); |
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| 276 | return update(array, args); |
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| 277 | } |
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| 278 | |
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| 279 | function argumentNames() { |
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| 280 | var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1] |
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| 281 | .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '') |
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| 282 | .replace(/\s+/g, '').split(','); |
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| 283 | return names.length == 1 && !names[0] ? [] : names; |
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| 284 | } |
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| 285 | |
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| 286 | function bind(context) { |
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| 287 | if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; |
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| 288 | var __method = this, args = slice.call(arguments, 1); |
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| 289 | return function() { |
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| 290 | var a = merge(args, arguments); |
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| 291 | return __method.apply(context, a); |
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| 292 | } |
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| 293 | } |
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| 294 | |
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| 295 | function bindAsEventListener(context) { |
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| 296 | var __method = this, args = slice.call(arguments, 1); |
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| 297 | return function(event) { |
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| 298 | var a = update([event || window.event], args); |
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| 299 | return __method.apply(context, a); |
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| 300 | } |
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| 301 | } |
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| 302 | |
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| 303 | function curry() { |
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| 304 | if (!arguments.length) return this; |
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| 305 | var __method = this, args = slice.call(arguments, 0); |
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| 306 | return function() { |
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| 307 | var a = merge(args, arguments); |
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| 308 | return __method.apply(this, a); |
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| 309 | } |
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| 310 | } |
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| 311 | |
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| 312 | function delay(timeout) { |
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| 313 | var __method = this, args = slice.call(arguments, 1); |
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| 314 | timeout = timeout * 1000 |
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| 315 | return window.setTimeout(function() { |
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| 316 | return __method.apply(__method, args); |
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| 317 | }, timeout); |
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| 318 | } |
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| 319 | |
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| 320 | function defer() { |
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| 321 | var args = update([0.01], arguments); |
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| 322 | return this.delay.apply(this, args); |
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| 323 | } |
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| 324 | |
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| 325 | function wrap(wrapper) { |
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| 326 | var __method = this; |
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| 327 | return function() { |
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| 328 | var a = update([__method.bind(this)], arguments); |
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| 329 | return wrapper.apply(this, a); |
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| 330 | } |
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| 331 | } |
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| 332 | |
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| 333 | function methodize() { |
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| 334 | if (this._methodized) return this._methodized; |
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| 335 | var __method = this; |
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| 336 | return this._methodized = function() { |
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| 337 | var a = update([this], arguments); |
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| 338 | return __method.apply(null, a); |
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| 339 | }; |
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| 340 | } |
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| 341 | |
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| 342 | return { |
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| 343 | argumentNames: argumentNames, |
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| 344 | bind: bind, |
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| 345 | bindAsEventListener: bindAsEventListener, |
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| 346 | curry: curry, |
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| 347 | delay: delay, |
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| 348 | defer: defer, |
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| 349 | wrap: wrap, |
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| 350 | methodize: methodize |
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| 351 | } |
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| 352 | })()); |
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| 353 | |
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| 354 | |
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| 355 | Date.prototype.toJSON = function() { |
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| 356 | return '"' + this.getUTCFullYear() + '-' + |
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| 357 | (this.getUTCMonth() + 1).toPaddedString(2) + '-' + |
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| 358 | this.getUTCDate().toPaddedString(2) + 'T' + |
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| 359 | this.getUTCHours().toPaddedString(2) + ':' + |
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| 360 | this.getUTCMinutes().toPaddedString(2) + ':' + |
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| 361 | this.getUTCSeconds().toPaddedString(2) + 'Z"'; |
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| 362 | }; |
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| 363 | |
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| 364 | |
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| 365 | RegExp.prototype.match = RegExp.prototype.test; |
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| 366 | |
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| 367 | RegExp.escape = function(str) { |
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| 368 | return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); |
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| 369 | }; |
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| 370 | var PeriodicalExecuter = Class.create({ |
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| 371 | initialize: function(callback, frequency) { |
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| 372 | this.callback = callback; |
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| 373 | this.frequency = frequency; |
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| 374 | this.currentlyExecuting = false; |
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| 375 | |
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| 376 | this.registerCallback(); |
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| 377 | }, |
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| 378 | |
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| 379 | registerCallback: function() { |
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| 380 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
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| 381 | }, |
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| 382 | |
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| 383 | execute: function() { |
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| 384 | this.callback(this); |
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| 385 | }, |
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| 386 | |
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| 387 | stop: function() { |
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| 388 | if (!this.timer) return; |
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| 389 | clearInterval(this.timer); |
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| 390 | this.timer = null; |
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| 391 | }, |
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| 392 | |
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| 393 | onTimerEvent: function() { |
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| 394 | if (!this.currentlyExecuting) { |
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| 395 | try { |
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| 396 | this.currentlyExecuting = true; |
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| 397 | this.execute(); |
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| 398 | this.currentlyExecuting = false; |
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| 399 | } catch(e) { |
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| 400 | this.currentlyExecuting = false; |
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| 401 | throw e; |
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| 402 | } |
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| 403 | } |
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| 404 | } |
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| 405 | }); |
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| 406 | Object.extend(String, { |
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| 407 | interpret: function(value) { |
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| 408 | return value == null ? '' : String(value); |
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| 409 | }, |
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| 410 | specialChar: { |
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| 411 | '\b': '\\b', |
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| 412 | '\t': '\\t', |
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| 413 | '\n': '\\n', |
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| 414 | '\f': '\\f', |
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| 415 | '\r': '\\r', |
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| 416 | '\\': '\\\\' |
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| 417 | } |
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| 418 | }); |
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| 419 | |
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| 420 | Object.extend(String.prototype, (function() { |
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| 421 | |
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| 422 | function prepareReplacement(replacement) { |
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| 423 | if (Object.isFunction(replacement)) return replacement; |
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| 424 | var template = new Template(replacement); |
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| 425 | return function(match) { return template.evaluate(match) }; |
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| 426 | } |
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| 427 | |
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| 428 | function gsub(pattern, replacement) { |
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| 429 | var result = '', source = this, match; |
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| 430 | replacement = prepareReplacement(replacement); |
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| 431 | |
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| 432 | if (Object.isString(pattern)) |
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| 433 | pattern = RegExp.escape(pattern); |
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| 434 | |
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| 435 | if (!(pattern.length || pattern.source)) { |
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| 436 | replacement = replacement(''); |
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| 437 | return replacement + source.split('').join(replacement) + replacement; |
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| 438 | } |
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| 439 | |
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| 440 | while (source.length > 0) { |
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| 441 | if (match = source.match(pattern)) { |
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| 442 | result += source.slice(0, match.index); |
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| 443 | result += String.interpret(replacement(match)); |
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| 444 | source = source.slice(match.index + match[0].length); |
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| 445 | } else { |
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| 446 | result += source, source = ''; |
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| 447 | } |
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| 448 | } |
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| 449 | return result; |
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| 450 | } |
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| 451 | |
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| 452 | function sub(pattern, replacement, count) { |
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| 453 | replacement = prepareReplacement(replacement); |
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| 454 | count = Object.isUndefined(count) ? 1 : count; |
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| 455 | |
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| 456 | return this.gsub(pattern, function(match) { |
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| 457 | if (--count < 0) return match[0]; |
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| 458 | return replacement(match); |
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| 459 | }); |
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| 460 | } |
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| 461 | |
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| 462 | function scan(pattern, iterator) { |
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| 463 | this.gsub(pattern, iterator); |
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| 464 | return String(this); |
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| 465 | } |
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| 466 | |
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| 467 | function truncate(length, truncation) { |
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| 468 | length = length || 30; |
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| 469 | truncation = Object.isUndefined(truncation) ? '...' : truncation; |
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| 470 | return this.length > length ? |
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| 471 | this.slice(0, length - truncation.length) + truncation : String(this); |
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| 472 | } |
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| 473 | |
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| 474 | function strip() { |
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| 475 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
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| 476 | } |
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| 477 | |
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| 478 | function stripTags() { |
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| 479 | return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, ''); |
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| 480 | } |
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| 481 | |
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| 482 | function stripScripts() { |
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| 483 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
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| 484 | } |
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| 485 | |
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| 486 | function extractScripts() { |
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| 487 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
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| 488 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
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| 489 | return (this.match(matchAll) || []).map(function(scriptTag) { |
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| 490 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
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| 491 | }); |
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| 492 | } |
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| 493 | |
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| 494 | function evalScripts() { |
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| 495 | return this.extractScripts().map(function(script) { return eval(script) }); |
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| 496 | } |
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| 497 | |
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| 498 | function escapeHTML() { |
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| 499 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
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| 500 | } |
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| 501 | |
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| 502 | function unescapeHTML() { |
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| 503 | return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&'); |
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| 504 | } |
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| 505 | |
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| 506 | |
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| 507 | function toQueryParams(separator) { |
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| 508 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
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| 509 | if (!match) return { }; |
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| 510 | |
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| 511 | return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
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| 512 | if ((pair = pair.split('='))[0]) { |
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| 513 | var key = decodeURIComponent(pair.shift()); |
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| 514 | var value = pair.length > 1 ? pair.join('=') : pair[0]; |
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| 515 | if (value != undefined) value = decodeURIComponent(value); |
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| 516 | |
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| 517 | if (key in hash) { |
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| 518 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; |
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| 519 | hash[key].push(value); |
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| 520 | } |
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| 521 | else hash[key] = value; |
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| 522 | } |
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| 523 | return hash; |
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| 524 | }); |
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| 525 | } |
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| 526 | |
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| 527 | function toArray() { |
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| 528 | return this.split(''); |
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| 529 | } |
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| 530 | |
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| 531 | function succ() { |
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| 532 | return this.slice(0, this.length - 1) + |
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| 533 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
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| 534 | } |
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| 535 | |
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| 536 | function times(count) { |
---|
| 537 | return count < 1 ? '' : new Array(count + 1).join(this); |
---|
| 538 | } |
---|
| 539 | |
---|
| 540 | function camelize() { |
---|
| 541 | var parts = this.split('-'), len = parts.length; |
---|
| 542 | if (len == 1) return parts[0]; |
---|
| 543 | |
---|
| 544 | var camelized = this.charAt(0) == '-' |
---|
| 545 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
---|
| 546 | : parts[0]; |
---|
| 547 | |
---|
| 548 | for (var i = 1; i < len; i++) |
---|
| 549 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
---|
| 550 | |
---|
| 551 | return camelized; |
---|
| 552 | } |
---|
| 553 | |
---|
| 554 | function capitalize() { |
---|
| 555 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
---|
| 556 | } |
---|
| 557 | |
---|
| 558 | function underscore() { |
---|
| 559 | return this.replace(/::/g, '/') |
---|
| 560 | .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2') |
---|
| 561 | .replace(/([a-z\d])([A-Z])/g, '$1_$2') |
---|
| 562 | .replace(/-/g, '_') |
---|
| 563 | .toLowerCase(); |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | function dasherize() { |
---|
| 567 | return this.replace(/_/g, '-'); |
---|
| 568 | } |
---|
| 569 | |
---|
| 570 | function inspect(useDoubleQuotes) { |
---|
| 571 | var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) { |
---|
| 572 | if (character in String.specialChar) { |
---|
| 573 | return String.specialChar[character]; |
---|
| 574 | } |
---|
| 575 | return '\\u00' + character.charCodeAt().toPaddedString(2, 16); |
---|
| 576 | }); |
---|
| 577 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
---|
| 578 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
---|
| 579 | } |
---|
| 580 | |
---|
| 581 | function toJSON() { |
---|
| 582 | return this.inspect(true); |
---|
| 583 | } |
---|
| 584 | |
---|
| 585 | function unfilterJSON(filter) { |
---|
| 586 | return this.replace(filter || Prototype.JSONFilter, '$1'); |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | function isJSON() { |
---|
| 590 | var str = this; |
---|
| 591 | if (str.blank()) return false; |
---|
| 592 | str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
---|
| 593 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
---|
| 594 | } |
---|
| 595 | |
---|
| 596 | function evalJSON(sanitize) { |
---|
| 597 | var json = this.unfilterJSON(); |
---|
| 598 | try { |
---|
| 599 | if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
---|
| 600 | } catch (e) { } |
---|
| 601 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
---|
| 602 | } |
---|
| 603 | |
---|
| 604 | function include(pattern) { |
---|
| 605 | return this.indexOf(pattern) > -1; |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | function startsWith(pattern) { |
---|
| 609 | return this.indexOf(pattern) === 0; |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | function endsWith(pattern) { |
---|
| 613 | var d = this.length - pattern.length; |
---|
| 614 | return d >= 0 && this.lastIndexOf(pattern) === d; |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | function empty() { |
---|
| 618 | return this == ''; |
---|
| 619 | } |
---|
| 620 | |
---|
| 621 | function blank() { |
---|
| 622 | return /^\s*$/.test(this); |
---|
| 623 | } |
---|
| 624 | |
---|
| 625 | function interpolate(object, pattern) { |
---|
| 626 | return new Template(this, pattern).evaluate(object); |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | return { |
---|
| 630 | gsub: gsub, |
---|
| 631 | sub: sub, |
---|
| 632 | scan: scan, |
---|
| 633 | truncate: truncate, |
---|
| 634 | strip: String.prototype.trim ? String.prototype.trim : strip, |
---|
| 635 | stripTags: stripTags, |
---|
| 636 | stripScripts: stripScripts, |
---|
| 637 | extractScripts: extractScripts, |
---|
| 638 | evalScripts: evalScripts, |
---|
| 639 | escapeHTML: escapeHTML, |
---|
| 640 | unescapeHTML: unescapeHTML, |
---|
| 641 | toQueryParams: toQueryParams, |
---|
| 642 | parseQuery: toQueryParams, |
---|
| 643 | toArray: toArray, |
---|
| 644 | succ: succ, |
---|
| 645 | times: times, |
---|
| 646 | camelize: camelize, |
---|
| 647 | capitalize: capitalize, |
---|
| 648 | underscore: underscore, |
---|
| 649 | dasherize: dasherize, |
---|
| 650 | inspect: inspect, |
---|
| 651 | toJSON: toJSON, |
---|
| 652 | unfilterJSON: unfilterJSON, |
---|
| 653 | isJSON: isJSON, |
---|
| 654 | evalJSON: evalJSON, |
---|
| 655 | include: include, |
---|
| 656 | startsWith: startsWith, |
---|
| 657 | endsWith: endsWith, |
---|
| 658 | empty: empty, |
---|
| 659 | blank: blank, |
---|
| 660 | interpolate: interpolate |
---|
| 661 | }; |
---|
| 662 | })()); |
---|
| 663 | |
---|
| 664 | var Template = Class.create({ |
---|
| 665 | initialize: function(template, pattern) { |
---|
| 666 | this.template = template.toString(); |
---|
| 667 | this.pattern = pattern || Template.Pattern; |
---|
| 668 | }, |
---|
| 669 | |
---|
| 670 | evaluate: function(object) { |
---|
| 671 | if (object && Object.isFunction(object.toTemplateReplacements)) |
---|
| 672 | object = object.toTemplateReplacements(); |
---|
| 673 | |
---|
| 674 | return this.template.gsub(this.pattern, function(match) { |
---|
| 675 | if (object == null) return (match[1] + ''); |
---|
| 676 | |
---|
| 677 | var before = match[1] || ''; |
---|
| 678 | if (before == '\\') return match[2]; |
---|
| 679 | |
---|
| 680 | var ctx = object, expr = match[3]; |
---|
| 681 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; |
---|
| 682 | match = pattern.exec(expr); |
---|
| 683 | if (match == null) return before; |
---|
| 684 | |
---|
| 685 | while (match != null) { |
---|
| 686 | var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1]; |
---|
| 687 | ctx = ctx[comp]; |
---|
| 688 | if (null == ctx || '' == match[3]) break; |
---|
| 689 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); |
---|
| 690 | match = pattern.exec(expr); |
---|
| 691 | } |
---|
| 692 | |
---|
| 693 | return before + String.interpret(ctx); |
---|
| 694 | }); |
---|
| 695 | } |
---|
| 696 | }); |
---|
| 697 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
---|
| 698 | |
---|
| 699 | var $break = { }; |
---|
| 700 | |
---|
| 701 | var Enumerable = (function() { |
---|
| 702 | function each(iterator, context) { |
---|
| 703 | var index = 0; |
---|
| 704 | try { |
---|
| 705 | this._each(function(value) { |
---|
| 706 | iterator.call(context, value, index++); |
---|
| 707 | }); |
---|
| 708 | } catch (e) { |
---|
| 709 | if (e != $break) throw e; |
---|
| 710 | } |
---|
| 711 | return this; |
---|
| 712 | } |
---|
| 713 | |
---|
| 714 | function eachSlice(number, iterator, context) { |
---|
| 715 | var index = -number, slices = [], array = this.toArray(); |
---|
| 716 | if (number < 1) return array; |
---|
| 717 | while ((index += number) < array.length) |
---|
| 718 | slices.push(array.slice(index, index+number)); |
---|
| 719 | return slices.collect(iterator, context); |
---|
| 720 | } |
---|
| 721 | |
---|
| 722 | function all(iterator, context) { |
---|
| 723 | iterator = iterator || Prototype.K; |
---|
| 724 | var result = true; |
---|
| 725 | this.each(function(value, index) { |
---|
| 726 | result = result && !!iterator.call(context, value, index); |
---|
| 727 | if (!result) throw $break; |
---|
| 728 | }); |
---|
| 729 | return result; |
---|
| 730 | } |
---|
| 731 | |
---|
| 732 | function any(iterator, context) { |
---|
| 733 | iterator = iterator || Prototype.K; |
---|
| 734 | var result = false; |
---|
| 735 | this.each(function(value, index) { |
---|
| 736 | if (result = !!iterator.call(context, value, index)) |
---|
| 737 | throw $break; |
---|
| 738 | }); |
---|
| 739 | return result; |
---|
| 740 | } |
---|
| 741 | |
---|
| 742 | function collect(iterator, context) { |
---|
| 743 | iterator = iterator || Prototype.K; |
---|
| 744 | var results = []; |
---|
| 745 | this.each(function(value, index) { |
---|
| 746 | results.push(iterator.call(context, value, index)); |
---|
| 747 | }); |
---|
| 748 | return results; |
---|
| 749 | } |
---|
| 750 | |
---|
| 751 | function detect(iterator, context) { |
---|
| 752 | var result; |
---|
| 753 | this.each(function(value, index) { |
---|
| 754 | if (iterator.call(context, value, index)) { |
---|
| 755 | result = value; |
---|
| 756 | throw $break; |
---|
| 757 | } |
---|
| 758 | }); |
---|
| 759 | return result; |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | function findAll(iterator, context) { |
---|
| 763 | var results = []; |
---|
| 764 | this.each(function(value, index) { |
---|
| 765 | if (iterator.call(context, value, index)) |
---|
| 766 | results.push(value); |
---|
| 767 | }); |
---|
| 768 | return results; |
---|
| 769 | } |
---|
| 770 | |
---|
| 771 | function grep(filter, iterator, context) { |
---|
| 772 | iterator = iterator || Prototype.K; |
---|
| 773 | var results = []; |
---|
| 774 | |
---|
| 775 | if (Object.isString(filter)) |
---|
| 776 | filter = new RegExp(RegExp.escape(filter)); |
---|
| 777 | |
---|
| 778 | this.each(function(value, index) { |
---|
| 779 | if (filter.match(value)) |
---|
| 780 | results.push(iterator.call(context, value, index)); |
---|
| 781 | }); |
---|
| 782 | return results; |
---|
| 783 | } |
---|
| 784 | |
---|
| 785 | function include(object) { |
---|
| 786 | if (Object.isFunction(this.indexOf)) |
---|
| 787 | if (this.indexOf(object) != -1) return true; |
---|
| 788 | |
---|
| 789 | var found = false; |
---|
| 790 | this.each(function(value) { |
---|
| 791 | if (value == object) { |
---|
| 792 | found = true; |
---|
| 793 | throw $break; |
---|
| 794 | } |
---|
| 795 | }); |
---|
| 796 | return found; |
---|
| 797 | } |
---|
| 798 | |
---|
| 799 | function inGroupsOf(number, fillWith) { |
---|
| 800 | fillWith = Object.isUndefined(fillWith) ? null : fillWith; |
---|
| 801 | return this.eachSlice(number, function(slice) { |
---|
| 802 | while(slice.length < number) slice.push(fillWith); |
---|
| 803 | return slice; |
---|
| 804 | }); |
---|
| 805 | } |
---|
| 806 | |
---|
| 807 | function inject(memo, iterator, context) { |
---|
| 808 | this.each(function(value, index) { |
---|
| 809 | memo = iterator.call(context, memo, value, index); |
---|
| 810 | }); |
---|
| 811 | return memo; |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | function invoke(method) { |
---|
| 815 | var args = $A(arguments).slice(1); |
---|
| 816 | return this.map(function(value) { |
---|
| 817 | return value[method].apply(value, args); |
---|
| 818 | }); |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | function max(iterator, context) { |
---|
| 822 | iterator = iterator || Prototype.K; |
---|
| 823 | var result; |
---|
| 824 | this.each(function(value, index) { |
---|
| 825 | value = iterator.call(context, value, index); |
---|
| 826 | if (result == null || value >= result) |
---|
| 827 | result = value; |
---|
| 828 | }); |
---|
| 829 | return result; |
---|
| 830 | } |
---|
| 831 | |
---|
| 832 | function min(iterator, context) { |
---|
| 833 | iterator = iterator || Prototype.K; |
---|
| 834 | var result; |
---|
| 835 | this.each(function(value, index) { |
---|
| 836 | value = iterator.call(context, value, index); |
---|
| 837 | if (result == null || value < result) |
---|
| 838 | result = value; |
---|
| 839 | }); |
---|
| 840 | return result; |
---|
| 841 | } |
---|
| 842 | |
---|
| 843 | function partition(iterator, context) { |
---|
| 844 | iterator = iterator || Prototype.K; |
---|
| 845 | var trues = [], falses = []; |
---|
| 846 | this.each(function(value, index) { |
---|
| 847 | (iterator.call(context, value, index) ? |
---|
| 848 | trues : falses).push(value); |
---|
| 849 | }); |
---|
| 850 | return [trues, falses]; |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | function pluck(property) { |
---|
| 854 | var results = []; |
---|
| 855 | this.each(function(value) { |
---|
| 856 | results.push(value[property]); |
---|
| 857 | }); |
---|
| 858 | return results; |
---|
| 859 | } |
---|
| 860 | |
---|
| 861 | function reject(iterator, context) { |
---|
| 862 | var results = []; |
---|
| 863 | this.each(function(value, index) { |
---|
| 864 | if (!iterator.call(context, value, index)) |
---|
| 865 | results.push(value); |
---|
| 866 | }); |
---|
| 867 | return results; |
---|
| 868 | } |
---|
| 869 | |
---|
| 870 | function sortBy(iterator, context) { |
---|
| 871 | return this.map(function(value, index) { |
---|
| 872 | return { |
---|
| 873 | value: value, |
---|
| 874 | criteria: iterator.call(context, value, index) |
---|
| 875 | }; |
---|
| 876 | }).sort(function(left, right) { |
---|
| 877 | var a = left.criteria, b = right.criteria; |
---|
| 878 | return a < b ? -1 : a > b ? 1 : 0; |
---|
| 879 | }).pluck('value'); |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | function toArray() { |
---|
| 883 | return this.map(); |
---|
| 884 | } |
---|
| 885 | |
---|
| 886 | function zip() { |
---|
| 887 | var iterator = Prototype.K, args = $A(arguments); |
---|
| 888 | if (Object.isFunction(args.last())) |
---|
| 889 | iterator = args.pop(); |
---|
| 890 | |
---|
| 891 | var collections = [this].concat(args).map($A); |
---|
| 892 | return this.map(function(value, index) { |
---|
| 893 | return iterator(collections.pluck(index)); |
---|
| 894 | }); |
---|
| 895 | } |
---|
| 896 | |
---|
| 897 | function size() { |
---|
| 898 | return this.toArray().length; |
---|
| 899 | } |
---|
| 900 | |
---|
| 901 | function inspect() { |
---|
| 902 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
---|
| 903 | } |
---|
| 904 | |
---|
| 905 | |
---|
| 906 | |
---|
| 907 | |
---|
| 908 | |
---|
| 909 | |
---|
| 910 | |
---|
| 911 | |
---|
| 912 | |
---|
| 913 | return { |
---|
| 914 | each: each, |
---|
| 915 | eachSlice: eachSlice, |
---|
| 916 | all: all, |
---|
| 917 | every: all, |
---|
| 918 | any: any, |
---|
| 919 | some: any, |
---|
| 920 | collect: collect, |
---|
| 921 | map: collect, |
---|
| 922 | detect: detect, |
---|
| 923 | findAll: findAll, |
---|
| 924 | select: findAll, |
---|
| 925 | filter: findAll, |
---|
| 926 | grep: grep, |
---|
| 927 | include: include, |
---|
| 928 | member: include, |
---|
| 929 | inGroupsOf: inGroupsOf, |
---|
| 930 | inject: inject, |
---|
| 931 | invoke: invoke, |
---|
| 932 | max: max, |
---|
| 933 | min: min, |
---|
| 934 | partition: partition, |
---|
| 935 | pluck: pluck, |
---|
| 936 | reject: reject, |
---|
| 937 | sortBy: sortBy, |
---|
| 938 | toArray: toArray, |
---|
| 939 | entries: toArray, |
---|
| 940 | zip: zip, |
---|
| 941 | size: size, |
---|
| 942 | inspect: inspect, |
---|
| 943 | find: detect |
---|
| 944 | }; |
---|
| 945 | })(); |
---|
| 946 | function $A(iterable) { |
---|
| 947 | if (!iterable) return []; |
---|
| 948 | if ('toArray' in Object(iterable)) return iterable.toArray(); |
---|
| 949 | var length = iterable.length || 0, results = new Array(length); |
---|
| 950 | while (length--) results[length] = iterable[length]; |
---|
| 951 | return results; |
---|
| 952 | } |
---|
| 953 | |
---|
| 954 | function $w(string) { |
---|
| 955 | if (!Object.isString(string)) return []; |
---|
| 956 | string = string.strip(); |
---|
| 957 | return string ? string.split(/\s+/) : []; |
---|
| 958 | } |
---|
| 959 | |
---|
| 960 | Array.from = $A; |
---|
| 961 | |
---|
| 962 | |
---|
| 963 | (function() { |
---|
| 964 | var arrayProto = Array.prototype, |
---|
| 965 | slice = arrayProto.slice, |
---|
| 966 | _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available |
---|
| 967 | |
---|
| 968 | function each(iterator) { |
---|
| 969 | for (var i = 0, length = this.length; i < length; i++) |
---|
| 970 | iterator(this[i]); |
---|
| 971 | } |
---|
| 972 | if (!_each) _each = each; |
---|
| 973 | |
---|
| 974 | function clear() { |
---|
| 975 | this.length = 0; |
---|
| 976 | return this; |
---|
| 977 | } |
---|
| 978 | |
---|
| 979 | function first() { |
---|
| 980 | return this[0]; |
---|
| 981 | } |
---|
| 982 | |
---|
| 983 | function last() { |
---|
| 984 | return this[this.length - 1]; |
---|
| 985 | } |
---|
| 986 | |
---|
| 987 | function compact() { |
---|
| 988 | return this.select(function(value) { |
---|
| 989 | return value != null; |
---|
| 990 | }); |
---|
| 991 | } |
---|
| 992 | |
---|
| 993 | function flatten() { |
---|
| 994 | return this.inject([], function(array, value) { |
---|
| 995 | if (Object.isArray(value)) |
---|
| 996 | return array.concat(value.flatten()); |
---|
| 997 | array.push(value); |
---|
| 998 | return array; |
---|
| 999 | }); |
---|
| 1000 | } |
---|
| 1001 | |
---|
| 1002 | function without() { |
---|
| 1003 | var values = slice.call(arguments, 0); |
---|
| 1004 | return this.select(function(value) { |
---|
| 1005 | return !values.include(value); |
---|
| 1006 | }); |
---|
| 1007 | } |
---|
| 1008 | |
---|
| 1009 | function reverse(inline) { |
---|
| 1010 | return (inline !== false ? this : this.toArray())._reverse(); |
---|
| 1011 | } |
---|
| 1012 | |
---|
| 1013 | function uniq(sorted) { |
---|
| 1014 | return this.inject([], function(array, value, index) { |
---|
| 1015 | if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
---|
| 1016 | array.push(value); |
---|
| 1017 | return array; |
---|
| 1018 | }); |
---|
| 1019 | } |
---|
| 1020 | |
---|
| 1021 | function intersect(array) { |
---|
| 1022 | return this.uniq().findAll(function(item) { |
---|
| 1023 | return array.detect(function(value) { return item === value }); |
---|
| 1024 | }); |
---|
| 1025 | } |
---|
| 1026 | |
---|
| 1027 | |
---|
| 1028 | function clone() { |
---|
| 1029 | return slice.call(this, 0); |
---|
| 1030 | } |
---|
| 1031 | |
---|
| 1032 | function size() { |
---|
| 1033 | return this.length; |
---|
| 1034 | } |
---|
| 1035 | |
---|
| 1036 | function inspect() { |
---|
| 1037 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
---|
| 1038 | } |
---|
| 1039 | |
---|
| 1040 | function toJSON() { |
---|
| 1041 | var results = []; |
---|
| 1042 | this.each(function(object) { |
---|
| 1043 | var value = Object.toJSON(object); |
---|
| 1044 | if (!Object.isUndefined(value)) results.push(value); |
---|
| 1045 | }); |
---|
| 1046 | return '[' + results.join(', ') + ']'; |
---|
| 1047 | } |
---|
| 1048 | |
---|
| 1049 | function indexOf(item, i) { |
---|
| 1050 | i || (i = 0); |
---|
| 1051 | var length = this.length; |
---|
| 1052 | if (i < 0) i = length + i; |
---|
| 1053 | for (; i < length; i++) |
---|
| 1054 | if (this[i] === item) return i; |
---|
| 1055 | return -1; |
---|
| 1056 | } |
---|
| 1057 | |
---|
| 1058 | function lastIndexOf(item, i) { |
---|
| 1059 | i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; |
---|
| 1060 | var n = this.slice(0, i).reverse().indexOf(item); |
---|
| 1061 | return (n < 0) ? n : i - n - 1; |
---|
| 1062 | } |
---|
| 1063 | |
---|
| 1064 | function concat() { |
---|
| 1065 | var array = slice.call(this, 0), item; |
---|
| 1066 | for (var i = 0, length = arguments.length; i < length; i++) { |
---|
| 1067 | item = arguments[i]; |
---|
| 1068 | if (Object.isArray(item) && !('callee' in item)) { |
---|
| 1069 | for (var j = 0, arrayLength = item.length; j < arrayLength; j++) |
---|
| 1070 | array.push(item[j]); |
---|
| 1071 | } else { |
---|
| 1072 | array.push(item); |
---|
| 1073 | } |
---|
| 1074 | } |
---|
| 1075 | return array; |
---|
| 1076 | } |
---|
| 1077 | |
---|
| 1078 | Object.extend(arrayProto, Enumerable); |
---|
| 1079 | |
---|
| 1080 | if (!arrayProto._reverse) |
---|
| 1081 | arrayProto._reverse = arrayProto.reverse; |
---|
| 1082 | |
---|
| 1083 | Object.extend(arrayProto, { |
---|
| 1084 | _each: _each, |
---|
| 1085 | clear: clear, |
---|
| 1086 | first: first, |
---|
| 1087 | last: last, |
---|
| 1088 | compact: compact, |
---|
| 1089 | flatten: flatten, |
---|
| 1090 | without: without, |
---|
| 1091 | reverse: reverse, |
---|
| 1092 | uniq: uniq, |
---|
| 1093 | intersect: intersect, |
---|
| 1094 | clone: clone, |
---|
| 1095 | toArray: clone, |
---|
| 1096 | size: size, |
---|
| 1097 | inspect: inspect, |
---|
| 1098 | toJSON: toJSON |
---|
| 1099 | }); |
---|
| 1100 | |
---|
| 1101 | var CONCAT_ARGUMENTS_BUGGY = (function() { |
---|
| 1102 | return [].concat(arguments)[0][0] !== 1; |
---|
| 1103 | })(1,2) |
---|
| 1104 | |
---|
| 1105 | if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat; |
---|
| 1106 | |
---|
| 1107 | if (!arrayProto.indexOf) arrayProto.indexOf = indexOf; |
---|
| 1108 | if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf; |
---|
| 1109 | })(); |
---|
| 1110 | function $H(object) { |
---|
| 1111 | return new Hash(object); |
---|
| 1112 | }; |
---|
| 1113 | |
---|
| 1114 | var Hash = Class.create(Enumerable, (function() { |
---|
| 1115 | function initialize(object) { |
---|
| 1116 | this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); |
---|
| 1117 | } |
---|
| 1118 | |
---|
| 1119 | function _each(iterator) { |
---|
| 1120 | for (var key in this._object) { |
---|
| 1121 | var value = this._object[key], pair = [key, value]; |
---|
| 1122 | pair.key = key; |
---|
| 1123 | pair.value = value; |
---|
| 1124 | iterator(pair); |
---|
| 1125 | } |
---|
| 1126 | } |
---|
| 1127 | |
---|
| 1128 | function set(key, value) { |
---|
| 1129 | return this._object[key] = value; |
---|
| 1130 | } |
---|
| 1131 | |
---|
| 1132 | function get(key) { |
---|
| 1133 | if (this._object[key] !== Object.prototype[key]) |
---|
| 1134 | return this._object[key]; |
---|
| 1135 | } |
---|
| 1136 | |
---|
| 1137 | function unset(key) { |
---|
| 1138 | var value = this._object[key]; |
---|
| 1139 | delete this._object[key]; |
---|
| 1140 | return value; |
---|
| 1141 | } |
---|
| 1142 | |
---|
| 1143 | function toObject() { |
---|
| 1144 | return Object.clone(this._object); |
---|
| 1145 | } |
---|
| 1146 | |
---|
| 1147 | function keys() { |
---|
| 1148 | return this.pluck('key'); |
---|
| 1149 | } |
---|
| 1150 | |
---|
| 1151 | function values() { |
---|
| 1152 | return this.pluck('value'); |
---|
| 1153 | } |
---|
| 1154 | |
---|
| 1155 | function index(value) { |
---|
| 1156 | var match = this.detect(function(pair) { |
---|
| 1157 | return pair.value === value; |
---|
| 1158 | }); |
---|
| 1159 | return match && match.key; |
---|
| 1160 | } |
---|
| 1161 | |
---|
| 1162 | function merge(object) { |
---|
| 1163 | return this.clone().update(object); |
---|
| 1164 | } |
---|
| 1165 | |
---|
| 1166 | function update(object) { |
---|
| 1167 | return new Hash(object).inject(this, function(result, pair) { |
---|
| 1168 | result.set(pair.key, pair.value); |
---|
| 1169 | return result; |
---|
| 1170 | }); |
---|
| 1171 | } |
---|
| 1172 | |
---|
| 1173 | function toQueryPair(key, value) { |
---|
| 1174 | if (Object.isUndefined(value)) return key; |
---|
| 1175 | return key + '=' + encodeURIComponent(String.interpret(value)); |
---|
| 1176 | } |
---|
| 1177 | |
---|
| 1178 | function toQueryString() { |
---|
| 1179 | return this.inject([], function(results, pair) { |
---|
| 1180 | var key = encodeURIComponent(pair.key), values = pair.value; |
---|
| 1181 | |
---|
| 1182 | if (values && typeof values == 'object') { |
---|
| 1183 | if (Object.isArray(values)) |
---|
| 1184 | return results.concat(values.map(toQueryPair.curry(key))); |
---|
| 1185 | } else results.push(toQueryPair(key, values)); |
---|
| 1186 | return results; |
---|
| 1187 | }).join('&'); |
---|
| 1188 | } |
---|
| 1189 | |
---|
| 1190 | function inspect() { |
---|
| 1191 | return '#<Hash:{' + this.map(function(pair) { |
---|
| 1192 | return pair.map(Object.inspect).join(': '); |
---|
| 1193 | }).join(', ') + '}>'; |
---|
| 1194 | } |
---|
| 1195 | |
---|
| 1196 | function toJSON() { |
---|
| 1197 | return Object.toJSON(this.toObject()); |
---|
| 1198 | } |
---|
| 1199 | |
---|
| 1200 | function clone() { |
---|
| 1201 | return new Hash(this); |
---|
| 1202 | } |
---|
| 1203 | |
---|
| 1204 | return { |
---|
| 1205 | initialize: initialize, |
---|
| 1206 | _each: _each, |
---|
| 1207 | set: set, |
---|
| 1208 | get: get, |
---|
| 1209 | unset: unset, |
---|
| 1210 | toObject: toObject, |
---|
| 1211 | toTemplateReplacements: toObject, |
---|
| 1212 | keys: keys, |
---|
| 1213 | values: values, |
---|
| 1214 | index: index, |
---|
| 1215 | merge: merge, |
---|
| 1216 | update: update, |
---|
| 1217 | toQueryString: toQueryString, |
---|
| 1218 | inspect: inspect, |
---|
| 1219 | toJSON: toJSON, |
---|
| 1220 | clone: clone |
---|
| 1221 | }; |
---|
| 1222 | })()); |
---|
| 1223 | |
---|
| 1224 | Hash.from = $H; |
---|
| 1225 | Object.extend(Number.prototype, (function() { |
---|
| 1226 | function toColorPart() { |
---|
| 1227 | return this.toPaddedString(2, 16); |
---|
| 1228 | } |
---|
| 1229 | |
---|
| 1230 | function succ() { |
---|
| 1231 | return this + 1; |
---|
| 1232 | } |
---|
| 1233 | |
---|
| 1234 | function times(iterator, context) { |
---|
| 1235 | $R(0, this, true).each(iterator, context); |
---|
| 1236 | return this; |
---|
| 1237 | } |
---|
| 1238 | |
---|
| 1239 | function toPaddedString(length, radix) { |
---|
| 1240 | var string = this.toString(radix || 10); |
---|
| 1241 | return '0'.times(length - string.length) + string; |
---|
| 1242 | } |
---|
| 1243 | |
---|
| 1244 | function toJSON() { |
---|
| 1245 | return isFinite(this) ? this.toString() : 'null'; |
---|
| 1246 | } |
---|
| 1247 | |
---|
| 1248 | function abs() { |
---|
| 1249 | return Math.abs(this); |
---|
| 1250 | } |
---|
| 1251 | |
---|
| 1252 | function round() { |
---|
| 1253 | return Math.round(this); |
---|
| 1254 | } |
---|
| 1255 | |
---|
| 1256 | function ceil() { |
---|
| 1257 | return Math.ceil(this); |
---|
| 1258 | } |
---|
| 1259 | |
---|
| 1260 | function floor() { |
---|
| 1261 | return Math.floor(this); |
---|
| 1262 | } |
---|
| 1263 | |
---|
| 1264 | return { |
---|
| 1265 | toColorPart: toColorPart, |
---|
| 1266 | succ: succ, |
---|
| 1267 | times: times, |
---|
| 1268 | toPaddedString: toPaddedString, |
---|
| 1269 | toJSON: toJSON, |
---|
| 1270 | abs: abs, |
---|
| 1271 | round: round, |
---|
| 1272 | ceil: ceil, |
---|
| 1273 | floor: floor |
---|
| 1274 | }; |
---|
| 1275 | })()); |
---|
| 1276 | |
---|
| 1277 | function $R(start, end, exclusive) { |
---|
| 1278 | return new ObjectRange(start, end, exclusive); |
---|
| 1279 | } |
---|
| 1280 | |
---|
| 1281 | var ObjectRange = Class.create(Enumerable, (function() { |
---|
| 1282 | function initialize(start, end, exclusive) { |
---|
| 1283 | this.start = start; |
---|
| 1284 | this.end = end; |
---|
| 1285 | this.exclusive = exclusive; |
---|
| 1286 | } |
---|
| 1287 | |
---|
| 1288 | function _each(iterator) { |
---|
| 1289 | var value = this.start; |
---|
| 1290 | while (this.include(value)) { |
---|
| 1291 | iterator(value); |
---|
| 1292 | value = value.succ(); |
---|
| 1293 | } |
---|
| 1294 | } |
---|
| 1295 | |
---|
| 1296 | function include(value) { |
---|
| 1297 | if (value < this.start) |
---|
| 1298 | return false; |
---|
| 1299 | if (this.exclusive) |
---|
| 1300 | return value < this.end; |
---|
| 1301 | return value <= this.end; |
---|
| 1302 | } |
---|
| 1303 | |
---|
| 1304 | return { |
---|
| 1305 | initialize: initialize, |
---|
| 1306 | _each: _each, |
---|
| 1307 | include: include |
---|
| 1308 | }; |
---|
| 1309 | })()); |
---|
| 1310 | |
---|
| 1311 | |
---|
| 1312 | |
---|
| 1313 | var Ajax = { |
---|
| 1314 | getTransport: function() { |
---|
| 1315 | return Try.these( |
---|
| 1316 | function() {return new XMLHttpRequest()}, |
---|
| 1317 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
---|
| 1318 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
---|
| 1319 | ) || false; |
---|
| 1320 | }, |
---|
| 1321 | |
---|
| 1322 | activeRequestCount: 0 |
---|
| 1323 | }; |
---|
| 1324 | |
---|
| 1325 | Ajax.Responders = { |
---|
| 1326 | responders: [], |
---|
| 1327 | |
---|
| 1328 | _each: function(iterator) { |
---|
| 1329 | this.responders._each(iterator); |
---|
| 1330 | }, |
---|
| 1331 | |
---|
| 1332 | register: function(responder) { |
---|
| 1333 | if (!this.include(responder)) |
---|
| 1334 | this.responders.push(responder); |
---|
| 1335 | }, |
---|
| 1336 | |
---|
| 1337 | unregister: function(responder) { |
---|
| 1338 | this.responders = this.responders.without(responder); |
---|
| 1339 | }, |
---|
| 1340 | |
---|
| 1341 | dispatch: function(callback, request, transport, json) { |
---|
| 1342 | this.each(function(responder) { |
---|
| 1343 | if (Object.isFunction(responder[callback])) { |
---|
| 1344 | try { |
---|
| 1345 | responder[callback].apply(responder, [request, transport, json]); |
---|
| 1346 | } catch (e) { } |
---|
| 1347 | } |
---|
| 1348 | }); |
---|
| 1349 | } |
---|
| 1350 | }; |
---|
| 1351 | |
---|
| 1352 | Object.extend(Ajax.Responders, Enumerable); |
---|
| 1353 | |
---|
| 1354 | Ajax.Responders.register({ |
---|
| 1355 | onCreate: function() { Ajax.activeRequestCount++ }, |
---|
| 1356 | onComplete: function() { Ajax.activeRequestCount-- } |
---|
| 1357 | }); |
---|
| 1358 | Ajax.Base = Class.create({ |
---|
| 1359 | initialize: function(options) { |
---|
| 1360 | this.options = { |
---|
| 1361 | method: 'post', |
---|
| 1362 | asynchronous: true, |
---|
| 1363 | contentType: 'application/x-www-form-urlencoded', |
---|
| 1364 | encoding: 'UTF-8', |
---|
| 1365 | parameters: '', |
---|
| 1366 | evalJSON: true, |
---|
| 1367 | evalJS: true |
---|
| 1368 | }; |
---|
| 1369 | Object.extend(this.options, options || { }); |
---|
| 1370 | |
---|
| 1371 | this.options.method = this.options.method.toLowerCase(); |
---|
| 1372 | |
---|
| 1373 | if (Object.isString(this.options.parameters)) |
---|
| 1374 | this.options.parameters = this.options.parameters.toQueryParams(); |
---|
| 1375 | else if (Object.isHash(this.options.parameters)) |
---|
| 1376 | this.options.parameters = this.options.parameters.toObject(); |
---|
| 1377 | } |
---|
| 1378 | }); |
---|
| 1379 | Ajax.Request = Class.create(Ajax.Base, { |
---|
| 1380 | _complete: false, |
---|
| 1381 | |
---|
| 1382 | initialize: function($super, url, options) { |
---|
| 1383 | $super(options); |
---|
| 1384 | this.transport = Ajax.getTransport(); |
---|
| 1385 | this.request(url); |
---|
| 1386 | }, |
---|
| 1387 | |
---|
| 1388 | request: function(url) { |
---|
| 1389 | this.url = url; |
---|
| 1390 | this.method = this.options.method; |
---|
| 1391 | var params = Object.clone(this.options.parameters); |
---|
| 1392 | |
---|
| 1393 | if (!['get', 'post'].include(this.method)) { |
---|
| 1394 | params['_method'] = this.method; |
---|
| 1395 | this.method = 'post'; |
---|
| 1396 | } |
---|
| 1397 | |
---|
| 1398 | this.parameters = params; |
---|
| 1399 | |
---|
| 1400 | if (params = Object.toQueryString(params)) { |
---|
| 1401 | if (this.method == 'get') |
---|
| 1402 | this.url += (this.url.include('?') ? '&' : '?') + params; |
---|
| 1403 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
---|
| 1404 | params += '&_='; |
---|
| 1405 | } |
---|
| 1406 | |
---|
| 1407 | try { |
---|
| 1408 | var response = new Ajax.Response(this); |
---|
| 1409 | if (this.options.onCreate) this.options.onCreate(response); |
---|
| 1410 | Ajax.Responders.dispatch('onCreate', this, response); |
---|
| 1411 | |
---|
| 1412 | this.transport.open(this.method.toUpperCase(), this.url, |
---|
| 1413 | this.options.asynchronous); |
---|
| 1414 | |
---|
| 1415 | if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); |
---|
| 1416 | |
---|
| 1417 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
---|
| 1418 | this.setRequestHeaders(); |
---|
| 1419 | |
---|
| 1420 | this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
---|
| 1421 | this.transport.send(this.body); |
---|
| 1422 | |
---|
| 1423 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
---|
| 1424 | if (!this.options.asynchronous && this.transport.overrideMimeType) |
---|
| 1425 | this.onStateChange(); |
---|
| 1426 | |
---|
| 1427 | } |
---|
| 1428 | catch (e) { |
---|
| 1429 | this.dispatchException(e); |
---|
| 1430 | } |
---|
| 1431 | }, |
---|
| 1432 | |
---|
| 1433 | onStateChange: function() { |
---|
| 1434 | var readyState = this.transport.readyState; |
---|
| 1435 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
---|
| 1436 | this.respondToReadyState(this.transport.readyState); |
---|
| 1437 | }, |
---|
| 1438 | |
---|
| 1439 | setRequestHeaders: function() { |
---|
| 1440 | var headers = { |
---|
| 1441 | 'X-Requested-With': 'XMLHttpRequest', |
---|
| 1442 | 'X-Prototype-Version': Prototype.Version, |
---|
| 1443 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
---|
| 1444 | }; |
---|
| 1445 | |
---|
| 1446 | if (this.method == 'post') { |
---|
| 1447 | headers['Content-type'] = this.options.contentType + |
---|
| 1448 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
---|
| 1449 | |
---|
| 1450 | /* Force "Connection: close" for older Mozilla browsers to work |
---|
| 1451 | * around a bug where XMLHttpRequest sends an incorrect |
---|
| 1452 | * Content-length header. See Mozilla Bugzilla #246651. |
---|
| 1453 | */ |
---|
| 1454 | if (this.transport.overrideMimeType && |
---|
| 1455 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
---|
| 1456 | headers['Connection'] = 'close'; |
---|
| 1457 | } |
---|
| 1458 | |
---|
| 1459 | if (typeof this.options.requestHeaders == 'object') { |
---|
| 1460 | var extras = this.options.requestHeaders; |
---|
| 1461 | |
---|
| 1462 | if (Object.isFunction(extras.push)) |
---|
| 1463 | for (var i = 0, length = extras.length; i < length; i += 2) |
---|
| 1464 | headers[extras[i]] = extras[i+1]; |
---|
| 1465 | else |
---|
| 1466 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
---|
| 1467 | } |
---|
| 1468 | |
---|
| 1469 | for (var name in headers) |
---|
| 1470 | this.transport.setRequestHeader(name, headers[name]); |
---|
| 1471 | }, |
---|
| 1472 | |
---|
| 1473 | success: function() { |
---|
| 1474 | var status = this.getStatus(); |
---|
| 1475 | return !status || (status >= 200 && status < 300); |
---|
| 1476 | }, |
---|
| 1477 | |
---|
| 1478 | getStatus: function() { |
---|
| 1479 | try { |
---|
| 1480 | return this.transport.status || 0; |
---|
| 1481 | } catch (e) { return 0 } |
---|
| 1482 | }, |
---|
| 1483 | |
---|
| 1484 | respondToReadyState: function(readyState) { |
---|
| 1485 | var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); |
---|
| 1486 | |
---|
| 1487 | if (state == 'Complete') { |
---|
| 1488 | try { |
---|
| 1489 | this._complete = true; |
---|
| 1490 | (this.options['on' + response.status] |
---|
| 1491 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
---|
| 1492 | || Prototype.emptyFunction)(response, response.headerJSON); |
---|
| 1493 | } catch (e) { |
---|
| 1494 | this.dispatchException(e); |
---|
| 1495 | } |
---|
| 1496 | |
---|
| 1497 | var contentType = response.getHeader('Content-type'); |
---|
| 1498 | if (this.options.evalJS == 'force' |
---|
| 1499 | || (this.options.evalJS && this.isSameOrigin() && contentType |
---|
| 1500 | && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) |
---|
| 1501 | this.evalResponse(); |
---|
| 1502 | } |
---|
| 1503 | |
---|
| 1504 | try { |
---|
| 1505 | (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); |
---|
| 1506 | Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); |
---|
| 1507 | } catch (e) { |
---|
| 1508 | this.dispatchException(e); |
---|
| 1509 | } |
---|
| 1510 | |
---|
| 1511 | if (state == 'Complete') { |
---|
| 1512 | this.transport.onreadystatechange = Prototype.emptyFunction; |
---|
| 1513 | } |
---|
| 1514 | }, |
---|
| 1515 | |
---|
| 1516 | isSameOrigin: function() { |
---|
| 1517 | var m = this.url.match(/^\s*https?:\/\/[^\/]*/); |
---|
| 1518 | return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ |
---|
| 1519 | protocol: location.protocol, |
---|
| 1520 | domain: document.domain, |
---|
| 1521 | port: location.port ? ':' + location.port : '' |
---|
| 1522 | })); |
---|
| 1523 | }, |
---|
| 1524 | |
---|
| 1525 | getHeader: function(name) { |
---|
| 1526 | try { |
---|
| 1527 | return this.transport.getResponseHeader(name) || null; |
---|
| 1528 | } catch (e) { return null; } |
---|
| 1529 | }, |
---|
| 1530 | |
---|
| 1531 | evalResponse: function() { |
---|
| 1532 | try { |
---|
| 1533 | return eval((this.transport.responseText || '').unfilterJSON()); |
---|
| 1534 | } catch (e) { |
---|
| 1535 | this.dispatchException(e); |
---|
| 1536 | } |
---|
| 1537 | }, |
---|
| 1538 | |
---|
| 1539 | dispatchException: function(exception) { |
---|
| 1540 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
---|
| 1541 | Ajax.Responders.dispatch('onException', this, exception); |
---|
| 1542 | } |
---|
| 1543 | }); |
---|
| 1544 | |
---|
| 1545 | Ajax.Request.Events = |
---|
| 1546 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
---|
| 1547 | |
---|
| 1548 | |
---|
| 1549 | |
---|
| 1550 | |
---|
| 1551 | |
---|
| 1552 | |
---|
| 1553 | |
---|
| 1554 | |
---|
| 1555 | Ajax.Response = Class.create({ |
---|
| 1556 | initialize: function(request){ |
---|
| 1557 | this.request = request; |
---|
| 1558 | var transport = this.transport = request.transport, |
---|
| 1559 | readyState = this.readyState = transport.readyState; |
---|
| 1560 | |
---|
| 1561 | if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { |
---|
| 1562 | this.status = this.getStatus(); |
---|
| 1563 | this.statusText = this.getStatusText(); |
---|
| 1564 | this.responseText = String.interpret(transport.responseText); |
---|
| 1565 | this.headerJSON = this._getHeaderJSON(); |
---|
| 1566 | } |
---|
| 1567 | |
---|
| 1568 | if(readyState == 4) { |
---|
| 1569 | var xml = transport.responseXML; |
---|
| 1570 | this.responseXML = Object.isUndefined(xml) ? null : xml; |
---|
| 1571 | this.responseJSON = this._getResponseJSON(); |
---|
| 1572 | } |
---|
| 1573 | }, |
---|
| 1574 | |
---|
| 1575 | status: 0, |
---|
| 1576 | |
---|
| 1577 | statusText: '', |
---|
| 1578 | |
---|
| 1579 | getStatus: Ajax.Request.prototype.getStatus, |
---|
| 1580 | |
---|
| 1581 | getStatusText: function() { |
---|
| 1582 | try { |
---|
| 1583 | return this.transport.statusText || ''; |
---|
| 1584 | } catch (e) { return '' } |
---|
| 1585 | }, |
---|
| 1586 | |
---|
| 1587 | getHeader: Ajax.Request.prototype.getHeader, |
---|
| 1588 | |
---|
| 1589 | getAllHeaders: function() { |
---|
| 1590 | try { |
---|
| 1591 | return this.getAllResponseHeaders(); |
---|
| 1592 | } catch (e) { return null } |
---|
| 1593 | }, |
---|
| 1594 | |
---|
| 1595 | getResponseHeader: function(name) { |
---|
| 1596 | return this.transport.getResponseHeader(name); |
---|
| 1597 | }, |
---|
| 1598 | |
---|
| 1599 | getAllResponseHeaders: function() { |
---|
| 1600 | return this.transport.getAllResponseHeaders(); |
---|
| 1601 | }, |
---|
| 1602 | |
---|
| 1603 | _getHeaderJSON: function() { |
---|
| 1604 | var json = this.getHeader('X-JSON'); |
---|
| 1605 | if (!json) return null; |
---|
| 1606 | json = decodeURIComponent(escape(json)); |
---|
| 1607 | try { |
---|
| 1608 | return json.evalJSON(this.request.options.sanitizeJSON || |
---|
| 1609 | !this.request.isSameOrigin()); |
---|
| 1610 | } catch (e) { |
---|
| 1611 | this.request.dispatchException(e); |
---|
| 1612 | } |
---|
| 1613 | }, |
---|
| 1614 | |
---|
| 1615 | _getResponseJSON: function() { |
---|
| 1616 | var options = this.request.options; |
---|
| 1617 | if (!options.evalJSON || (options.evalJSON != 'force' && |
---|
| 1618 | !(this.getHeader('Content-type') || '').include('application/json')) || |
---|
| 1619 | this.responseText.blank()) |
---|
| 1620 | return null; |
---|
| 1621 | try { |
---|
| 1622 | return this.responseText.evalJSON(options.sanitizeJSON || |
---|
| 1623 | !this.request.isSameOrigin()); |
---|
| 1624 | } catch (e) { |
---|
| 1625 | this.request.dispatchException(e); |
---|
| 1626 | } |
---|
| 1627 | } |
---|
| 1628 | }); |
---|
| 1629 | |
---|
| 1630 | Ajax.Updater = Class.create(Ajax.Request, { |
---|
| 1631 | initialize: function($super, container, url, options) { |
---|
| 1632 | this.container = { |
---|
| 1633 | success: (container.success || container), |
---|
| 1634 | failure: (container.failure || (container.success ? null : container)) |
---|
| 1635 | }; |
---|
| 1636 | |
---|
| 1637 | options = Object.clone(options); |
---|
| 1638 | var onComplete = options.onComplete; |
---|
| 1639 | options.onComplete = (function(response, json) { |
---|
| 1640 | this.updateContent(response.responseText); |
---|
| 1641 | if (Object.isFunction(onComplete)) onComplete(response, json); |
---|
| 1642 | }).bind(this); |
---|
| 1643 | |
---|
| 1644 | $super(url, options); |
---|
| 1645 | }, |
---|
| 1646 | |
---|
| 1647 | updateContent: function(responseText) { |
---|
| 1648 | var receiver = this.container[this.success() ? 'success' : 'failure'], |
---|
| 1649 | options = this.options; |
---|
| 1650 | |
---|
| 1651 | if (!options.evalScripts) responseText = responseText.stripScripts(); |
---|
| 1652 | |
---|
| 1653 | if (receiver = $(receiver)) { |
---|
| 1654 | if (options.insertion) { |
---|
| 1655 | if (Object.isString(options.insertion)) { |
---|
| 1656 | var insertion = { }; insertion[options.insertion] = responseText; |
---|
| 1657 | receiver.insert(insertion); |
---|
| 1658 | } |
---|
| 1659 | else options.insertion(receiver, responseText); |
---|
| 1660 | } |
---|
| 1661 | else receiver.update(responseText); |
---|
| 1662 | } |
---|
| 1663 | } |
---|
| 1664 | }); |
---|
| 1665 | |
---|
| 1666 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
---|
| 1667 | initialize: function($super, container, url, options) { |
---|
| 1668 | $super(options); |
---|
| 1669 | this.onComplete = this.options.onComplete; |
---|
| 1670 | |
---|
| 1671 | this.frequency = (this.options.frequency || 2); |
---|
| 1672 | this.decay = (this.options.decay || 1); |
---|
| 1673 | |
---|
| 1674 | this.updater = { }; |
---|
| 1675 | this.container = container; |
---|
| 1676 | this.url = url; |
---|
| 1677 | |
---|
| 1678 | this.start(); |
---|
| 1679 | }, |
---|
| 1680 | |
---|
| 1681 | start: function() { |
---|
| 1682 | this.options.onComplete = this.updateComplete.bind(this); |
---|
| 1683 | this.onTimerEvent(); |
---|
| 1684 | }, |
---|
| 1685 | |
---|
| 1686 | stop: function() { |
---|
| 1687 | this.updater.options.onComplete = undefined; |
---|
| 1688 | clearTimeout(this.timer); |
---|
| 1689 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
---|
| 1690 | }, |
---|
| 1691 | |
---|
| 1692 | updateComplete: function(response) { |
---|
| 1693 | if (this.options.decay) { |
---|
| 1694 | this.decay = (response.responseText == this.lastText ? |
---|
| 1695 | this.decay * this.options.decay : 1); |
---|
| 1696 | |
---|
| 1697 | this.lastText = response.responseText; |
---|
| 1698 | } |
---|
| 1699 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
---|
| 1700 | }, |
---|
| 1701 | |
---|
| 1702 | onTimerEvent: function() { |
---|
| 1703 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
---|
| 1704 | } |
---|
| 1705 | }); |
---|
| 1706 | |
---|
| 1707 | |
---|
| 1708 | |
---|
| 1709 | function $(element) { |
---|
| 1710 | if (arguments.length > 1) { |
---|
| 1711 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
---|
| 1712 | elements.push($(arguments[i])); |
---|
| 1713 | return elements; |
---|
| 1714 | } |
---|
| 1715 | if (Object.isString(element)) |
---|
| 1716 | element = document.getElementById(element); |
---|
| 1717 | return Element.extend(element); |
---|
| 1718 | } |
---|
| 1719 | |
---|
| 1720 | if (Prototype.BrowserFeatures.XPath) { |
---|
| 1721 | document._getElementsByXPath = function(expression, parentElement) { |
---|
| 1722 | var results = []; |
---|
| 1723 | var query = document.evaluate(expression, $(parentElement) || document, |
---|
| 1724 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
---|
| 1725 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
---|
| 1726 | results.push(Element.extend(query.snapshotItem(i))); |
---|
| 1727 | return results; |
---|
| 1728 | }; |
---|
| 1729 | } |
---|
| 1730 | |
---|
| 1731 | /*--------------------------------------------------------------------------*/ |
---|
| 1732 | |
---|
| 1733 | if (!window.Node) var Node = { }; |
---|
| 1734 | |
---|
| 1735 | if (!Node.ELEMENT_NODE) { |
---|
| 1736 | Object.extend(Node, { |
---|
| 1737 | ELEMENT_NODE: 1, |
---|
| 1738 | ATTRIBUTE_NODE: 2, |
---|
| 1739 | TEXT_NODE: 3, |
---|
| 1740 | CDATA_SECTION_NODE: 4, |
---|
| 1741 | ENTITY_REFERENCE_NODE: 5, |
---|
| 1742 | ENTITY_NODE: 6, |
---|
| 1743 | PROCESSING_INSTRUCTION_NODE: 7, |
---|
| 1744 | COMMENT_NODE: 8, |
---|
| 1745 | DOCUMENT_NODE: 9, |
---|
| 1746 | DOCUMENT_TYPE_NODE: 10, |
---|
| 1747 | DOCUMENT_FRAGMENT_NODE: 11, |
---|
| 1748 | NOTATION_NODE: 12 |
---|
| 1749 | }); |
---|
| 1750 | } |
---|
| 1751 | |
---|
| 1752 | |
---|
| 1753 | (function(global) { |
---|
| 1754 | |
---|
| 1755 | var SETATTRIBUTE_IGNORES_NAME = (function(){ |
---|
| 1756 | var elForm = document.createElement("form"); |
---|
| 1757 | var elInput = document.createElement("input"); |
---|
| 1758 | var root = document.documentElement; |
---|
| 1759 | elInput.setAttribute("name", "test"); |
---|
| 1760 | elForm.appendChild(elInput); |
---|
| 1761 | root.appendChild(elForm); |
---|
| 1762 | var isBuggy = elForm.elements |
---|
| 1763 | ? (typeof elForm.elements.test == "undefined") |
---|
| 1764 | : null; |
---|
| 1765 | root.removeChild(elForm); |
---|
| 1766 | elForm = elInput = null; |
---|
| 1767 | return isBuggy; |
---|
| 1768 | })(); |
---|
| 1769 | |
---|
| 1770 | var element = global.Element; |
---|
| 1771 | global.Element = function(tagName, attributes) { |
---|
| 1772 | attributes = attributes || { }; |
---|
| 1773 | tagName = tagName.toLowerCase(); |
---|
| 1774 | var cache = Element.cache; |
---|
| 1775 | if (SETATTRIBUTE_IGNORES_NAME && attributes.name) { |
---|
| 1776 | tagName = '<' + tagName + ' name="' + attributes.name + '">'; |
---|
| 1777 | delete attributes.name; |
---|
| 1778 | return Element.writeAttribute(document.createElement(tagName), attributes); |
---|
| 1779 | } |
---|
| 1780 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
---|
| 1781 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); |
---|
| 1782 | }; |
---|
| 1783 | Object.extend(global.Element, element || { }); |
---|
| 1784 | if (element) global.Element.prototype = element.prototype; |
---|
| 1785 | })(this); |
---|
| 1786 | |
---|
| 1787 | Element.cache = { }; |
---|
| 1788 | Element.idCounter = 1; |
---|
| 1789 | |
---|
| 1790 | Element.Methods = { |
---|
| 1791 | visible: function(element) { |
---|
| 1792 | return $(element).style.display != 'none'; |
---|
| 1793 | }, |
---|
| 1794 | |
---|
| 1795 | toggle: function(element) { |
---|
| 1796 | element = $(element); |
---|
| 1797 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
---|
| 1798 | return element; |
---|
| 1799 | }, |
---|
| 1800 | |
---|
| 1801 | |
---|
| 1802 | hide: function(element) { |
---|
| 1803 | element = $(element); |
---|
| 1804 | element.style.display = 'none'; |
---|
| 1805 | return element; |
---|
| 1806 | }, |
---|
| 1807 | |
---|
| 1808 | show: function(element) { |
---|
| 1809 | element = $(element); |
---|
| 1810 | element.style.display = ''; |
---|
| 1811 | return element; |
---|
| 1812 | }, |
---|
| 1813 | |
---|
| 1814 | remove: function(element) { |
---|
| 1815 | element = $(element); |
---|
| 1816 | element.parentNode.removeChild(element); |
---|
| 1817 | return element; |
---|
| 1818 | }, |
---|
| 1819 | |
---|
| 1820 | update: (function(){ |
---|
| 1821 | |
---|
| 1822 | var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){ |
---|
| 1823 | var el = document.createElement("select"), |
---|
| 1824 | isBuggy = true; |
---|
| 1825 | el.innerHTML = "<option value=\"test\">test</option>"; |
---|
| 1826 | if (el.options && el.options[0]) { |
---|
| 1827 | isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION"; |
---|
| 1828 | } |
---|
| 1829 | el = null; |
---|
| 1830 | return isBuggy; |
---|
| 1831 | })(); |
---|
| 1832 | |
---|
| 1833 | var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){ |
---|
| 1834 | try { |
---|
| 1835 | var el = document.createElement("table"); |
---|
| 1836 | if (el && el.tBodies) { |
---|
| 1837 | el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>"; |
---|
| 1838 | var isBuggy = typeof el.tBodies[0] == "undefined"; |
---|
| 1839 | el = null; |
---|
| 1840 | return isBuggy; |
---|
| 1841 | } |
---|
| 1842 | } catch (e) { |
---|
| 1843 | return true; |
---|
| 1844 | } |
---|
| 1845 | })(); |
---|
| 1846 | |
---|
| 1847 | var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () { |
---|
| 1848 | var s = document.createElement("script"), |
---|
| 1849 | isBuggy = false; |
---|
| 1850 | try { |
---|
| 1851 | s.appendChild(document.createTextNode("")); |
---|
| 1852 | isBuggy = !s.firstChild || |
---|
| 1853 | s.firstChild && s.firstChild.nodeType !== 3; |
---|
| 1854 | } catch (e) { |
---|
| 1855 | isBuggy = true; |
---|
| 1856 | } |
---|
| 1857 | s = null; |
---|
| 1858 | return isBuggy; |
---|
| 1859 | })(); |
---|
| 1860 | |
---|
| 1861 | function update(element, content) { |
---|
| 1862 | element = $(element); |
---|
| 1863 | |
---|
| 1864 | if (content && content.toElement) |
---|
| 1865 | content = content.toElement(); |
---|
| 1866 | |
---|
| 1867 | if (Object.isElement(content)) |
---|
| 1868 | return element.update().insert(content); |
---|
| 1869 | |
---|
| 1870 | content = Object.toHTML(content); |
---|
| 1871 | |
---|
| 1872 | var tagName = element.tagName.toUpperCase(); |
---|
| 1873 | |
---|
| 1874 | if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) { |
---|
| 1875 | element.text = content; |
---|
| 1876 | return element; |
---|
| 1877 | } |
---|
| 1878 | |
---|
| 1879 | if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) { |
---|
| 1880 | if (tagName in Element._insertionTranslations.tags) { |
---|
| 1881 | while (element.firstChild) { |
---|
| 1882 | element.removeChild(element.firstChild); |
---|
| 1883 | } |
---|
| 1884 | Element._getContentFromAnonymousElement(tagName, content.stripScripts()) |
---|
| 1885 | .each(function(node) { |
---|
| 1886 | element.appendChild(node) |
---|
| 1887 | }); |
---|
| 1888 | } |
---|
| 1889 | else { |
---|
| 1890 | element.innerHTML = content.stripScripts(); |
---|
| 1891 | } |
---|
| 1892 | } |
---|
| 1893 | else { |
---|
| 1894 | element.innerHTML = content.stripScripts(); |
---|
| 1895 | } |
---|
| 1896 | |
---|
| 1897 | content.evalScripts.bind(content).defer(); |
---|
| 1898 | return element; |
---|
| 1899 | } |
---|
| 1900 | |
---|
| 1901 | return update; |
---|
| 1902 | })(), |
---|
| 1903 | |
---|
| 1904 | replace: function(element, content) { |
---|
| 1905 | element = $(element); |
---|
| 1906 | if (content && content.toElement) content = content.toElement(); |
---|
| 1907 | else if (!Object.isElement(content)) { |
---|
| 1908 | content = Object.toHTML(content); |
---|
| 1909 | var range = element.ownerDocument.createRange(); |
---|
| 1910 | range.selectNode(element); |
---|
| 1911 | content.evalScripts.bind(content).defer(); |
---|
| 1912 | content = range.createContextualFragment(content.stripScripts()); |
---|
| 1913 | } |
---|
| 1914 | element.parentNode.replaceChild(content, element); |
---|
| 1915 | return element; |
---|
| 1916 | }, |
---|
| 1917 | |
---|
| 1918 | insert: function(element, insertions) { |
---|
| 1919 | element = $(element); |
---|
| 1920 | |
---|
| 1921 | if (Object.isString(insertions) || Object.isNumber(insertions) || |
---|
| 1922 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
---|
| 1923 | insertions = {bottom:insertions}; |
---|
| 1924 | |
---|
| 1925 | var content, insert, tagName, childNodes; |
---|
| 1926 | |
---|
| 1927 | for (var position in insertions) { |
---|
| 1928 | content = insertions[position]; |
---|
| 1929 | position = position.toLowerCase(); |
---|
| 1930 | insert = Element._insertionTranslations[position]; |
---|
| 1931 | |
---|
| 1932 | if (content && content.toElement) content = content.toElement(); |
---|
| 1933 | if (Object.isElement(content)) { |
---|
| 1934 | insert(element, content); |
---|
| 1935 | continue; |
---|
| 1936 | } |
---|
| 1937 | |
---|
| 1938 | content = Object.toHTML(content); |
---|
| 1939 | |
---|
| 1940 | tagName = ((position == 'before' || position == 'after') |
---|
| 1941 | ? element.parentNode : element).tagName.toUpperCase(); |
---|
| 1942 | |
---|
| 1943 | childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
---|
| 1944 | |
---|
| 1945 | if (position == 'top' || position == 'after') childNodes.reverse(); |
---|
| 1946 | childNodes.each(insert.curry(element)); |
---|
| 1947 | |
---|
| 1948 | content.evalScripts.bind(content).defer(); |
---|
| 1949 | } |
---|
| 1950 | |
---|
| 1951 | return element; |
---|
| 1952 | }, |
---|
| 1953 | |
---|
| 1954 | wrap: function(element, wrapper, attributes) { |
---|
| 1955 | element = $(element); |
---|
| 1956 | if (Object.isElement(wrapper)) |
---|
| 1957 | $(wrapper).writeAttribute(attributes || { }); |
---|
| 1958 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); |
---|
| 1959 | else wrapper = new Element('div', wrapper); |
---|
| 1960 | if (element.parentNode) |
---|
| 1961 | element.parentNode.replaceChild(wrapper, element); |
---|
| 1962 | wrapper.appendChild(element); |
---|
| 1963 | return wrapper; |
---|
| 1964 | }, |
---|
| 1965 | |
---|
| 1966 | inspect: function(element) { |
---|
| 1967 | element = $(element); |
---|
| 1968 | var result = '<' + element.tagName.toLowerCase(); |
---|
| 1969 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
---|
| 1970 | var property = pair.first(), attribute = pair.last(); |
---|
| 1971 | var value = (element[property] || '').toString(); |
---|
| 1972 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
---|
| 1973 | }); |
---|
| 1974 | return result + '>'; |
---|
| 1975 | }, |
---|
| 1976 | |
---|
| 1977 | recursivelyCollect: function(element, property) { |
---|
| 1978 | element = $(element); |
---|
| 1979 | var elements = []; |
---|
| 1980 | while (element = element[property]) |
---|
| 1981 | if (element.nodeType == 1) |
---|
| 1982 | elements.push(Element.extend(element)); |
---|
| 1983 | return elements; |
---|
| 1984 | }, |
---|
| 1985 | |
---|
| 1986 | ancestors: function(element) { |
---|
| 1987 | return Element.recursivelyCollect(element, 'parentNode'); |
---|
| 1988 | }, |
---|
| 1989 | |
---|
| 1990 | descendants: function(element) { |
---|
| 1991 | return Element.select(element, "*"); |
---|
| 1992 | }, |
---|
| 1993 | |
---|
| 1994 | firstDescendant: function(element) { |
---|
| 1995 | element = $(element).firstChild; |
---|
| 1996 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 1997 | return $(element); |
---|
| 1998 | }, |
---|
| 1999 | |
---|
| 2000 | immediateDescendants: function(element) { |
---|
| 2001 | if (!(element = $(element).firstChild)) return []; |
---|
| 2002 | while (element && element.nodeType != 1) element = element.nextSibling; |
---|
| 2003 | if (element) return [element].concat($(element).nextSiblings()); |
---|
| 2004 | return []; |
---|
| 2005 | }, |
---|
| 2006 | |
---|
| 2007 | previousSiblings: function(element) { |
---|
| 2008 | return Element.recursivelyCollect(element, 'previousSibling'); |
---|
| 2009 | }, |
---|
| 2010 | |
---|
| 2011 | nextSiblings: function(element) { |
---|
| 2012 | return Element.recursivelyCollect(element, 'nextSibling'); |
---|
| 2013 | }, |
---|
| 2014 | |
---|
| 2015 | siblings: function(element) { |
---|
| 2016 | element = $(element); |
---|
| 2017 | return Element.previousSiblings(element).reverse() |
---|
| 2018 | .concat(Element.nextSiblings(element)); |
---|
| 2019 | }, |
---|
| 2020 | |
---|
| 2021 | match: function(element, selector) { |
---|
| 2022 | if (Object.isString(selector)) |
---|
| 2023 | selector = new Selector(selector); |
---|
| 2024 | return selector.match($(element)); |
---|
| 2025 | }, |
---|
| 2026 | |
---|
| 2027 | up: function(element, expression, index) { |
---|
| 2028 | element = $(element); |
---|
| 2029 | if (arguments.length == 1) return $(element.parentNode); |
---|
| 2030 | var ancestors = Element.ancestors(element); |
---|
| 2031 | return Object.isNumber(expression) ? ancestors[expression] : |
---|
| 2032 | Selector.findElement(ancestors, expression, index); |
---|
| 2033 | }, |
---|
| 2034 | |
---|
| 2035 | down: function(element, expression, index) { |
---|
| 2036 | element = $(element); |
---|
| 2037 | if (arguments.length == 1) return Element.firstDescendant(element); |
---|
| 2038 | return Object.isNumber(expression) ? Element.descendants(element)[expression] : |
---|
| 2039 | Element.select(element, expression)[index || 0]; |
---|
| 2040 | }, |
---|
| 2041 | |
---|
| 2042 | previous: function(element, expression, index) { |
---|
| 2043 | element = $(element); |
---|
| 2044 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
---|
| 2045 | var previousSiblings = Element.previousSiblings(element); |
---|
| 2046 | return Object.isNumber(expression) ? previousSiblings[expression] : |
---|
| 2047 | Selector.findElement(previousSiblings, expression, index); |
---|
| 2048 | }, |
---|
| 2049 | |
---|
| 2050 | next: function(element, expression, index) { |
---|
| 2051 | element = $(element); |
---|
| 2052 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
---|
| 2053 | var nextSiblings = Element.nextSiblings(element); |
---|
| 2054 | return Object.isNumber(expression) ? nextSiblings[expression] : |
---|
| 2055 | Selector.findElement(nextSiblings, expression, index); |
---|
| 2056 | }, |
---|
| 2057 | |
---|
| 2058 | |
---|
| 2059 | select: function(element) { |
---|
| 2060 | var args = Array.prototype.slice.call(arguments, 1); |
---|
| 2061 | return Selector.findChildElements(element, args); |
---|
| 2062 | }, |
---|
| 2063 | |
---|
| 2064 | adjacent: function(element) { |
---|
| 2065 | var args = Array.prototype.slice.call(arguments, 1); |
---|
| 2066 | return Selector.findChildElements(element.parentNode, args).without(element); |
---|
| 2067 | }, |
---|
| 2068 | |
---|
| 2069 | identify: function(element) { |
---|
| 2070 | element = $(element); |
---|
| 2071 | var id = Element.readAttribute(element, 'id'); |
---|
| 2072 | if (id) return id; |
---|
| 2073 | do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id)); |
---|
| 2074 | Element.writeAttribute(element, 'id', id); |
---|
| 2075 | return id; |
---|
| 2076 | }, |
---|
| 2077 | |
---|
| 2078 | readAttribute: function(element, name) { |
---|
| 2079 | element = $(element); |
---|
| 2080 | if (Prototype.Browser.IE) { |
---|
| 2081 | var t = Element._attributeTranslations.read; |
---|
| 2082 | if (t.values[name]) return t.values[name](element, name); |
---|
| 2083 | if (t.names[name]) name = t.names[name]; |
---|
| 2084 | if (name.include(':')) { |
---|
| 2085 | return (!element.attributes || !element.attributes[name]) ? null : |
---|
| 2086 | element.attributes[name].value; |
---|
| 2087 | } |
---|
| 2088 | } |
---|
| 2089 | return element.getAttribute(name); |
---|
| 2090 | }, |
---|
| 2091 | |
---|
| 2092 | writeAttribute: function(element, name, value) { |
---|
| 2093 | element = $(element); |
---|
| 2094 | var attributes = { }, t = Element._attributeTranslations.write; |
---|
| 2095 | |
---|
| 2096 | if (typeof name == 'object') attributes = name; |
---|
| 2097 | else attributes[name] = Object.isUndefined(value) ? true : value; |
---|
| 2098 | |
---|
| 2099 | for (var attr in attributes) { |
---|
| 2100 | name = t.names[attr] || attr; |
---|
| 2101 | value = attributes[attr]; |
---|
| 2102 | if (t.values[attr]) name = t.values[attr](element, value); |
---|
| 2103 | if (value === false || value === null) |
---|
| 2104 | element.removeAttribute(name); |
---|
| 2105 | else if (value === true) |
---|
| 2106 | element.setAttribute(name, name); |
---|
| 2107 | else element.setAttribute(name, value); |
---|
| 2108 | } |
---|
| 2109 | return element; |
---|
| 2110 | }, |
---|
| 2111 | |
---|
| 2112 | getHeight: function(element) { |
---|
| 2113 | return Element.getDimensions(element).height; |
---|
| 2114 | }, |
---|
| 2115 | |
---|
| 2116 | getWidth: function(element) { |
---|
| 2117 | return Element.getDimensions(element).width; |
---|
| 2118 | }, |
---|
| 2119 | |
---|
| 2120 | classNames: function(element) { |
---|
| 2121 | return new Element.ClassNames(element); |
---|
| 2122 | }, |
---|
| 2123 | |
---|
| 2124 | hasClassName: function(element, className) { |
---|
| 2125 | if (!(element = $(element))) return; |
---|
| 2126 | var elementClassName = element.className; |
---|
| 2127 | return (elementClassName.length > 0 && (elementClassName == className || |
---|
| 2128 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); |
---|
| 2129 | }, |
---|
| 2130 | |
---|
| 2131 | addClassName: function(element, className) { |
---|
| 2132 | if (!(element = $(element))) return; |
---|
| 2133 | if (!Element.hasClassName(element, className)) |
---|
| 2134 | element.className += (element.className ? ' ' : '') + className; |
---|
| 2135 | return element; |
---|
| 2136 | }, |
---|
| 2137 | |
---|
| 2138 | removeClassName: function(element, className) { |
---|
| 2139 | if (!(element = $(element))) return; |
---|
| 2140 | element.className = element.className.replace( |
---|
| 2141 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); |
---|
| 2142 | return element; |
---|
| 2143 | }, |
---|
| 2144 | |
---|
| 2145 | toggleClassName: function(element, className) { |
---|
| 2146 | if (!(element = $(element))) return; |
---|
| 2147 | return Element[Element.hasClassName(element, className) ? |
---|
| 2148 | 'removeClassName' : 'addClassName'](element, className); |
---|
| 2149 | }, |
---|
| 2150 | |
---|
| 2151 | cleanWhitespace: function(element) { |
---|
| 2152 | element = $(element); |
---|
| 2153 | var node = element.firstChild; |
---|
| 2154 | while (node) { |
---|
| 2155 | var nextNode = node.nextSibling; |
---|
| 2156 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
---|
| 2157 | element.removeChild(node); |
---|
| 2158 | node = nextNode; |
---|
| 2159 | } |
---|
| 2160 | return element; |
---|
| 2161 | }, |
---|
| 2162 | |
---|
| 2163 | empty: function(element) { |
---|
| 2164 | return $(element).innerHTML.blank(); |
---|
| 2165 | }, |
---|
| 2166 | |
---|
| 2167 | descendantOf: function(element, ancestor) { |
---|
| 2168 | element = $(element), ancestor = $(ancestor); |
---|
| 2169 | |
---|
| 2170 | if (element.compareDocumentPosition) |
---|
| 2171 | return (element.compareDocumentPosition(ancestor) & 8) === 8; |
---|
| 2172 | |
---|
| 2173 | if (ancestor.contains) |
---|
| 2174 | return ancestor.contains(element) && ancestor !== element; |
---|
| 2175 | |
---|
| 2176 | while (element = element.parentNode) |
---|
| 2177 | if (element == ancestor) return true; |
---|
| 2178 | |
---|
| 2179 | return false; |
---|
| 2180 | }, |
---|
| 2181 | |
---|
| 2182 | scrollTo: function(element) { |
---|
| 2183 | element = $(element); |
---|
| 2184 | var pos = Element.cumulativeOffset(element); |
---|
| 2185 | window.scrollTo(pos[0], pos[1]); |
---|
| 2186 | return element; |
---|
| 2187 | }, |
---|
| 2188 | |
---|
| 2189 | getStyle: function(element, style) { |
---|
| 2190 | element = $(element); |
---|
| 2191 | style = style == 'float' ? 'cssFloat' : style.camelize(); |
---|
| 2192 | var value = element.style[style]; |
---|
| 2193 | if (!value || value == 'auto') { |
---|
| 2194 | var css = document.defaultView.getComputedStyle(element, null); |
---|
| 2195 | value = css ? css[style] : null; |
---|
| 2196 | } |
---|
| 2197 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
---|
| 2198 | return value == 'auto' ? null : value; |
---|
| 2199 | }, |
---|
| 2200 | |
---|
| 2201 | getOpacity: function(element) { |
---|
| 2202 | return $(element).getStyle('opacity'); |
---|
| 2203 | }, |
---|
| 2204 | |
---|
| 2205 | setStyle: function(element, styles) { |
---|
| 2206 | element = $(element); |
---|
| 2207 | var elementStyle = element.style, match; |
---|
| 2208 | if (Object.isString(styles)) { |
---|
| 2209 | element.style.cssText += ';' + styles; |
---|
| 2210 | return styles.include('opacity') ? |
---|
| 2211 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; |
---|
| 2212 | } |
---|
| 2213 | for (var property in styles) |
---|
| 2214 | if (property == 'opacity') element.setOpacity(styles[property]); |
---|
| 2215 | else |
---|
| 2216 | elementStyle[(property == 'float' || property == 'cssFloat') ? |
---|
| 2217 | (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : |
---|
| 2218 | property] = styles[property]; |
---|
| 2219 | |
---|
| 2220 | return element; |
---|
| 2221 | }, |
---|
| 2222 | |
---|
| 2223 | setOpacity: function(element, value) { |
---|
| 2224 | element = $(element); |
---|
| 2225 | element.style.opacity = (value == 1 || value === '') ? '' : |
---|
| 2226 | (value < 0.00001) ? 0 : value; |
---|
| 2227 | return element; |
---|
| 2228 | }, |
---|
| 2229 | |
---|
| 2230 | getDimensions: function(element) { |
---|
| 2231 | element = $(element); |
---|
| 2232 | var display = Element.getStyle(element, 'display'); |
---|
| 2233 | if (display != 'none' && display != null) // Safari bug |
---|
| 2234 | return {width: element.offsetWidth, height: element.offsetHeight}; |
---|
| 2235 | |
---|
| 2236 | var els = element.style; |
---|
| 2237 | var originalVisibility = els.visibility; |
---|
| 2238 | var originalPosition = els.position; |
---|
| 2239 | var originalDisplay = els.display; |
---|
| 2240 | els.visibility = 'hidden'; |
---|
| 2241 | if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari |
---|
| 2242 | els.position = 'absolute'; |
---|
| 2243 | els.display = 'block'; |
---|
| 2244 | var originalWidth = element.clientWidth; |
---|
| 2245 | var originalHeight = element.clientHeight; |
---|
| 2246 | els.display = originalDisplay; |
---|
| 2247 | els.position = originalPosition; |
---|
| 2248 | els.visibility = originalVisibility; |
---|
| 2249 | return {width: originalWidth, height: originalHeight}; |
---|
| 2250 | }, |
---|
| 2251 | |
---|
| 2252 | makePositioned: function(element) { |
---|
| 2253 | element = $(element); |
---|
| 2254 | var pos = Element.getStyle(element, 'position'); |
---|
| 2255 | if (pos == 'static' || !pos) { |
---|
| 2256 | element._madePositioned = true; |
---|
| 2257 | element.style.position = 'relative'; |
---|
| 2258 | if (Prototype.Browser.Opera) { |
---|
| 2259 | element.style.top = 0; |
---|
| 2260 | element.style.left = 0; |
---|
| 2261 | } |
---|
| 2262 | } |
---|
| 2263 | return element; |
---|
| 2264 | }, |
---|
| 2265 | |
---|
| 2266 | undoPositioned: function(element) { |
---|
| 2267 | element = $(element); |
---|
| 2268 | if (element._madePositioned) { |
---|
| 2269 | element._madePositioned = undefined; |
---|
| 2270 | element.style.position = |
---|
| 2271 | element.style.top = |
---|
| 2272 | element.style.left = |
---|
| 2273 | element.style.bottom = |
---|
| 2274 | element.style.right = ''; |
---|
| 2275 | } |
---|
| 2276 | return element; |
---|
| 2277 | }, |
---|
| 2278 | |
---|
| 2279 | makeClipping: function(element) { |
---|
| 2280 | element = $(element); |
---|
| 2281 | if (element._overflow) return element; |
---|
| 2282 | element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
---|
| 2283 | if (element._overflow !== 'hidden') |
---|
| 2284 | element.style.overflow = 'hidden'; |
---|
| 2285 | return element; |
---|
| 2286 | }, |
---|
| 2287 | |
---|
| 2288 | undoClipping: function(element) { |
---|
| 2289 | element = $(element); |
---|
| 2290 | if (!element._overflow) return element; |
---|
| 2291 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
---|
| 2292 | element._overflow = null; |
---|
| 2293 | return element; |
---|
| 2294 | }, |
---|
| 2295 | |
---|
| 2296 | cumulativeOffset: function(element) { |
---|
| 2297 | var valueT = 0, valueL = 0; |
---|
| 2298 | do { |
---|
| 2299 | valueT += element.offsetTop || 0; |
---|
| 2300 | valueL += element.offsetLeft || 0; |
---|
| 2301 | element = element.offsetParent; |
---|
| 2302 | } while (element); |
---|
| 2303 | return Element._returnOffset(valueL, valueT); |
---|
| 2304 | }, |
---|
| 2305 | |
---|
| 2306 | positionedOffset: function(element) { |
---|
| 2307 | var valueT = 0, valueL = 0; |
---|
| 2308 | do { |
---|
| 2309 | valueT += element.offsetTop || 0; |
---|
| 2310 | valueL += element.offsetLeft || 0; |
---|
| 2311 | element = element.offsetParent; |
---|
| 2312 | if (element) { |
---|
| 2313 | if (element.tagName.toUpperCase() == 'BODY') break; |
---|
| 2314 | var p = Element.getStyle(element, 'position'); |
---|
| 2315 | if (p !== 'static') break; |
---|
| 2316 | } |
---|
| 2317 | } while (element); |
---|
| 2318 | return Element._returnOffset(valueL, valueT); |
---|
| 2319 | }, |
---|
| 2320 | |
---|
| 2321 | absolutize: function(element) { |
---|
| 2322 | element = $(element); |
---|
| 2323 | if (Element.getStyle(element, 'position') == 'absolute') return element; |
---|
| 2324 | |
---|
| 2325 | var offsets = Element.positionedOffset(element); |
---|
| 2326 | var top = offsets[1]; |
---|
| 2327 | var left = offsets[0]; |
---|
| 2328 | var width = element.clientWidth; |
---|
| 2329 | var height = element.clientHeight; |
---|
| 2330 | |
---|
| 2331 | element._originalLeft = left - parseFloat(element.style.left || 0); |
---|
| 2332 | element._originalTop = top - parseFloat(element.style.top || 0); |
---|
| 2333 | element._originalWidth = element.style.width; |
---|
| 2334 | element._originalHeight = element.style.height; |
---|
| 2335 | |
---|
| 2336 | element.style.position = 'absolute'; |
---|
| 2337 | element.style.top = top + 'px'; |
---|
| 2338 | element.style.left = left + 'px'; |
---|
| 2339 | element.style.width = width + 'px'; |
---|
| 2340 | element.style.height = height + 'px'; |
---|
| 2341 | return element; |
---|
| 2342 | }, |
---|
| 2343 | |
---|
| 2344 | relativize: function(element) { |
---|
| 2345 | element = $(element); |
---|
| 2346 | if (Element.getStyle(element, 'position') == 'relative') return element; |
---|
| 2347 | |
---|
| 2348 | element.style.position = 'relative'; |
---|
| 2349 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
---|
| 2350 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
---|
| 2351 | |
---|
| 2352 | element.style.top = top + 'px'; |
---|
| 2353 | element.style.left = left + 'px'; |
---|
| 2354 | element.style.height = element._originalHeight; |
---|
| 2355 | element.style.width = element._originalWidth; |
---|
| 2356 | return element; |
---|
| 2357 | }, |
---|
| 2358 | |
---|
| 2359 | cumulativeScrollOffset: function(element) { |
---|
| 2360 | var valueT = 0, valueL = 0; |
---|
| 2361 | do { |
---|
| 2362 | valueT += element.scrollTop || 0; |
---|
| 2363 | valueL += element.scrollLeft || 0; |
---|
| 2364 | element = element.parentNode; |
---|
| 2365 | } while (element); |
---|
| 2366 | return Element._returnOffset(valueL, valueT); |
---|
| 2367 | }, |
---|
| 2368 | |
---|
| 2369 | getOffsetParent: function(element) { |
---|
| 2370 | if (element.offsetParent) return $(element.offsetParent); |
---|
| 2371 | if (element == document.body) return $(element); |
---|
| 2372 | |
---|
| 2373 | while ((element = element.parentNode) && element != document.body) |
---|
| 2374 | if (Element.getStyle(element, 'position') != 'static') |
---|
| 2375 | return $(element); |
---|
| 2376 | |
---|
| 2377 | return $(document.body); |
---|
| 2378 | }, |
---|
| 2379 | |
---|
| 2380 | viewportOffset: function(forElement) { |
---|
| 2381 | var valueT = 0, valueL = 0; |
---|
| 2382 | |
---|
| 2383 | var element = forElement; |
---|
| 2384 | do { |
---|
| 2385 | valueT += element.offsetTop || 0; |
---|
| 2386 | valueL += element.offsetLeft || 0; |
---|
| 2387 | |
---|
| 2388 | if (element.offsetParent == document.body && |
---|
| 2389 | Element.getStyle(element, 'position') == 'absolute') break; |
---|
| 2390 | |
---|
| 2391 | } while (element = element.offsetParent); |
---|
| 2392 | |
---|
| 2393 | element = forElement; |
---|
| 2394 | do { |
---|
| 2395 | if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) { |
---|
| 2396 | valueT -= element.scrollTop || 0; |
---|
| 2397 | valueL -= element.scrollLeft || 0; |
---|
| 2398 | } |
---|
| 2399 | } while (element = element.parentNode); |
---|
| 2400 | |
---|
| 2401 | return Element._returnOffset(valueL, valueT); |
---|
| 2402 | }, |
---|
| 2403 | |
---|
| 2404 | clonePosition: function(element, source) { |
---|
| 2405 | var options = Object.extend({ |
---|
| 2406 | setLeft: true, |
---|
| 2407 | setTop: true, |
---|
| 2408 | setWidth: true, |
---|
| 2409 | setHeight: true, |
---|
| 2410 | offsetTop: 0, |
---|
| 2411 | offsetLeft: 0 |
---|
| 2412 | }, arguments[2] || { }); |
---|
| 2413 | |
---|
| 2414 | source = $(source); |
---|
| 2415 | var p = Element.viewportOffset(source); |
---|
| 2416 | |
---|
| 2417 | element = $(element); |
---|
| 2418 | var delta = [0, 0]; |
---|
| 2419 | var parent = null; |
---|
| 2420 | if (Element.getStyle(element, 'position') == 'absolute') { |
---|
| 2421 | parent = Element.getOffsetParent(element); |
---|
| 2422 | delta = Element.viewportOffset(parent); |
---|
| 2423 | } |
---|
| 2424 | |
---|
| 2425 | if (parent == document.body) { |
---|
| 2426 | delta[0] -= document.body.offsetLeft; |
---|
| 2427 | delta[1] -= document.body.offsetTop; |
---|
| 2428 | } |
---|
| 2429 | |
---|
| 2430 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
---|
| 2431 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
---|
| 2432 | if (options.setWidth) element.style.width = source.offsetWidth + 'px'; |
---|
| 2433 | if (options.setHeight) element.style.height = source.offsetHeight + 'px'; |
---|
| 2434 | return element; |
---|
| 2435 | } |
---|
| 2436 | }; |
---|
| 2437 | |
---|
| 2438 | Object.extend(Element.Methods, { |
---|
| 2439 | getElementsBySelector: Element.Methods.select, |
---|
| 2440 | |
---|
| 2441 | childElements: Element.Methods.immediateDescendants |
---|
| 2442 | }); |
---|
| 2443 | |
---|
| 2444 | Element._attributeTranslations = { |
---|
| 2445 | write: { |
---|
| 2446 | names: { |
---|
| 2447 | className: 'class', |
---|
| 2448 | htmlFor: 'for' |
---|
| 2449 | }, |
---|
| 2450 | values: { } |
---|
| 2451 | } |
---|
| 2452 | }; |
---|
| 2453 | |
---|
| 2454 | if (Prototype.Browser.Opera) { |
---|
| 2455 | Element.Methods.getStyle = Element.Methods.getStyle.wrap( |
---|
| 2456 | function(proceed, element, style) { |
---|
| 2457 | switch (style) { |
---|
| 2458 | case 'left': case 'top': case 'right': case 'bottom': |
---|
| 2459 | if (proceed(element, 'position') === 'static') return null; |
---|
| 2460 | case 'height': case 'width': |
---|
| 2461 | if (!Element.visible(element)) return null; |
---|
| 2462 | |
---|
| 2463 | var dim = parseInt(proceed(element, style), 10); |
---|
| 2464 | |
---|
| 2465 | if (dim !== element['offset' + style.capitalize()]) |
---|
| 2466 | return dim + 'px'; |
---|
| 2467 | |
---|
| 2468 | var properties; |
---|
| 2469 | if (style === 'height') { |
---|
| 2470 | properties = ['border-top-width', 'padding-top', |
---|
| 2471 | 'padding-bottom', 'border-bottom-width']; |
---|
| 2472 | } |
---|
| 2473 | else { |
---|
| 2474 | properties = ['border-left-width', 'padding-left', |
---|
| 2475 | 'padding-right', 'border-right-width']; |
---|
| 2476 | } |
---|
| 2477 | return properties.inject(dim, function(memo, property) { |
---|
| 2478 | var val = proceed(element, property); |
---|
| 2479 | return val === null ? memo : memo - parseInt(val, 10); |
---|
| 2480 | }) + 'px'; |
---|
| 2481 | default: return proceed(element, style); |
---|
| 2482 | } |
---|
| 2483 | } |
---|
| 2484 | ); |
---|
| 2485 | |
---|
| 2486 | Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( |
---|
| 2487 | function(proceed, element, attribute) { |
---|
| 2488 | if (attribute === 'title') return element.title; |
---|
| 2489 | return proceed(element, attribute); |
---|
| 2490 | } |
---|
| 2491 | ); |
---|
| 2492 | } |
---|
| 2493 | |
---|
| 2494 | else if (Prototype.Browser.IE) { |
---|
| 2495 | Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( |
---|
| 2496 | function(proceed, element) { |
---|
| 2497 | element = $(element); |
---|
| 2498 | try { element.offsetParent } |
---|
| 2499 | catch(e) { return $(document.body) } |
---|
| 2500 | var position = element.getStyle('position'); |
---|
| 2501 | if (position !== 'static') return proceed(element); |
---|
| 2502 | element.setStyle({ position: 'relative' }); |
---|
| 2503 | var value = proceed(element); |
---|
| 2504 | element.setStyle({ position: position }); |
---|
| 2505 | return value; |
---|
| 2506 | } |
---|
| 2507 | ); |
---|
| 2508 | |
---|
| 2509 | $w('positionedOffset viewportOffset').each(function(method) { |
---|
| 2510 | Element.Methods[method] = Element.Methods[method].wrap( |
---|
| 2511 | function(proceed, element) { |
---|
| 2512 | element = $(element); |
---|
| 2513 | try { element.offsetParent } |
---|
| 2514 | catch(e) { return Element._returnOffset(0,0) } |
---|
| 2515 | var position = element.getStyle('position'); |
---|
| 2516 | if (position !== 'static') return proceed(element); |
---|
| 2517 | var offsetParent = element.getOffsetParent(); |
---|
| 2518 | if (offsetParent && offsetParent.getStyle('position') === 'fixed') |
---|
| 2519 | offsetParent.setStyle({ zoom: 1 }); |
---|
| 2520 | element.setStyle({ position: 'relative' }); |
---|
| 2521 | var value = proceed(element); |
---|
| 2522 | element.setStyle({ position: position }); |
---|
| 2523 | return value; |
---|
| 2524 | } |
---|
| 2525 | ); |
---|
| 2526 | }); |
---|
| 2527 | |
---|
| 2528 | Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap( |
---|
| 2529 | function(proceed, element) { |
---|
| 2530 | try { element.offsetParent } |
---|
| 2531 | catch(e) { return Element._returnOffset(0,0) } |
---|
| 2532 | return proceed(element); |
---|
| 2533 | } |
---|
| 2534 | ); |
---|
| 2535 | |
---|
| 2536 | Element.Methods.getStyle = function(element, style) { |
---|
| 2537 | element = $(element); |
---|
| 2538 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
---|
| 2539 | var value = element.style[style]; |
---|
| 2540 | if (!value && element.currentStyle) value = element.currentStyle[style]; |
---|
| 2541 | |
---|
| 2542 | if (style == 'opacity') { |
---|
| 2543 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
---|
| 2544 | if (value[1]) return parseFloat(value[1]) / 100; |
---|
| 2545 | return 1.0; |
---|
| 2546 | } |
---|
| 2547 | |
---|
| 2548 | if (value == 'auto') { |
---|
| 2549 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
---|
| 2550 | return element['offset' + style.capitalize()] + 'px'; |
---|
| 2551 | return null; |
---|
| 2552 | } |
---|
| 2553 | return value; |
---|
| 2554 | }; |
---|
| 2555 | |
---|
| 2556 | Element.Methods.setOpacity = function(element, value) { |
---|
| 2557 | function stripAlpha(filter){ |
---|
| 2558 | return filter.replace(/alpha\([^\)]*\)/gi,''); |
---|
| 2559 | } |
---|
| 2560 | element = $(element); |
---|
| 2561 | var currentStyle = element.currentStyle; |
---|
| 2562 | if ((currentStyle && !currentStyle.hasLayout) || |
---|
| 2563 | (!currentStyle && element.style.zoom == 'normal')) |
---|
| 2564 | element.style.zoom = 1; |
---|
| 2565 | |
---|
| 2566 | var filter = element.getStyle('filter'), style = element.style; |
---|
| 2567 | if (value == 1 || value === '') { |
---|
| 2568 | (filter = stripAlpha(filter)) ? |
---|
| 2569 | style.filter = filter : style.removeAttribute('filter'); |
---|
| 2570 | return element; |
---|
| 2571 | } else if (value < 0.00001) value = 0; |
---|
| 2572 | style.filter = stripAlpha(filter) + |
---|
| 2573 | 'alpha(opacity=' + (value * 100) + ')'; |
---|
| 2574 | return element; |
---|
| 2575 | }; |
---|
| 2576 | |
---|
| 2577 | Element._attributeTranslations = (function(){ |
---|
| 2578 | |
---|
| 2579 | var classProp = 'className'; |
---|
| 2580 | var forProp = 'for'; |
---|
| 2581 | |
---|
| 2582 | var el = document.createElement('div'); |
---|
| 2583 | |
---|
| 2584 | el.setAttribute(classProp, 'x'); |
---|
| 2585 | |
---|
| 2586 | if (el.className !== 'x') { |
---|
| 2587 | el.setAttribute('class', 'x'); |
---|
| 2588 | if (el.className === 'x') { |
---|
| 2589 | classProp = 'class'; |
---|
| 2590 | } |
---|
| 2591 | } |
---|
| 2592 | el = null; |
---|
| 2593 | |
---|
| 2594 | el = document.createElement('label'); |
---|
| 2595 | el.setAttribute(forProp, 'x'); |
---|
| 2596 | if (el.htmlFor !== 'x') { |
---|
| 2597 | el.setAttribute('htmlFor', 'x'); |
---|
| 2598 | if (el.htmlFor === 'x') { |
---|
| 2599 | forProp = 'htmlFor'; |
---|
| 2600 | } |
---|
| 2601 | } |
---|
| 2602 | el = null; |
---|
| 2603 | |
---|
| 2604 | return { |
---|
| 2605 | read: { |
---|
| 2606 | names: { |
---|
| 2607 | 'class': classProp, |
---|
| 2608 | 'className': classProp, |
---|
| 2609 | 'for': forProp, |
---|
| 2610 | 'htmlFor': forProp |
---|
| 2611 | }, |
---|
| 2612 | values: { |
---|
| 2613 | _getAttr: function(element, attribute) { |
---|
| 2614 | return element.getAttribute(attribute); |
---|
| 2615 | }, |
---|
| 2616 | _getAttr2: function(element, attribute) { |
---|
| 2617 | return element.getAttribute(attribute, 2); |
---|
| 2618 | }, |
---|
| 2619 | _getAttrNode: function(element, attribute) { |
---|
| 2620 | var node = element.getAttributeNode(attribute); |
---|
| 2621 | return node ? node.value : ""; |
---|
| 2622 | }, |
---|
| 2623 | _getEv: (function(){ |
---|
| 2624 | |
---|
| 2625 | var el = document.createElement('div'); |
---|
| 2626 | el.onclick = Prototype.emptyFunction; |
---|
| 2627 | var value = el.getAttribute('onclick'); |
---|
| 2628 | var f; |
---|
| 2629 | |
---|
| 2630 | if (String(value).indexOf('{') > -1) { |
---|
| 2631 | f = function(element, attribute) { |
---|
| 2632 | attribute = element.getAttribute(attribute); |
---|
| 2633 | if (!attribute) return null; |
---|
| 2634 | attribute = attribute.toString(); |
---|
| 2635 | attribute = attribute.split('{')[1]; |
---|
| 2636 | attribute = attribute.split('}')[0]; |
---|
| 2637 | return attribute.strip(); |
---|
| 2638 | }; |
---|
| 2639 | } |
---|
| 2640 | else if (value === '') { |
---|
| 2641 | f = function(element, attribute) { |
---|
| 2642 | attribute = element.getAttribute(attribute); |
---|
| 2643 | if (!attribute) return null; |
---|
| 2644 | return attribute.strip(); |
---|
| 2645 | }; |
---|
| 2646 | } |
---|
| 2647 | el = null; |
---|
| 2648 | return f; |
---|
| 2649 | })(), |
---|
| 2650 | _flag: function(element, attribute) { |
---|
| 2651 | return $(element).hasAttribute(attribute) ? attribute : null; |
---|
| 2652 | }, |
---|
| 2653 | style: function(element) { |
---|
| 2654 | return element.style.cssText.toLowerCase(); |
---|
| 2655 | }, |
---|
| 2656 | title: function(element) { |
---|
| 2657 | return element.title; |
---|
| 2658 | } |
---|
| 2659 | } |
---|
| 2660 | } |
---|
| 2661 | } |
---|
| 2662 | })(); |
---|
| 2663 | |
---|
| 2664 | Element._attributeTranslations.write = { |
---|
| 2665 | names: Object.extend({ |
---|
| 2666 | cellpadding: 'cellPadding', |
---|
| 2667 | cellspacing: 'cellSpacing' |
---|
| 2668 | }, Element._attributeTranslations.read.names), |
---|
| 2669 | values: { |
---|
| 2670 | checked: function(element, value) { |
---|
| 2671 | element.checked = !!value; |
---|
| 2672 | }, |
---|
| 2673 | |
---|
| 2674 | style: function(element, value) { |
---|
| 2675 | element.style.cssText = value ? value : ''; |
---|
| 2676 | } |
---|
| 2677 | } |
---|
| 2678 | }; |
---|
| 2679 | |
---|
| 2680 | Element._attributeTranslations.has = {}; |
---|
| 2681 | |
---|
| 2682 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + |
---|
| 2683 | 'encType maxLength readOnly longDesc frameBorder').each(function(attr) { |
---|
| 2684 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; |
---|
| 2685 | Element._attributeTranslations.has[attr.toLowerCase()] = attr; |
---|
| 2686 | }); |
---|
| 2687 | |
---|
| 2688 | (function(v) { |
---|
| 2689 | Object.extend(v, { |
---|
| 2690 | href: v._getAttr2, |
---|
| 2691 | src: v._getAttr2, |
---|
| 2692 | type: v._getAttr, |
---|
| 2693 | action: v._getAttrNode, |
---|
| 2694 | disabled: v._flag, |
---|
| 2695 | checked: v._flag, |
---|
| 2696 | readonly: v._flag, |
---|
| 2697 | multiple: v._flag, |
---|
| 2698 | onload: v._getEv, |
---|
| 2699 | onunload: v._getEv, |
---|
| 2700 | onclick: v._getEv, |
---|
| 2701 | ondblclick: v._getEv, |
---|
| 2702 | onmousedown: v._getEv, |
---|
| 2703 | onmouseup: v._getEv, |
---|
| 2704 | onmouseover: v._getEv, |
---|
| 2705 | onmousemove: v._getEv, |
---|
| 2706 | onmouseout: v._getEv, |
---|
| 2707 | onfocus: v._getEv, |
---|
| 2708 | onblur: v._getEv, |
---|
| 2709 | onkeypress: v._getEv, |
---|
| 2710 | onkeydown: v._getEv, |
---|
| 2711 | onkeyup: v._getEv, |
---|
| 2712 | onsubmit: v._getEv, |
---|
| 2713 | onreset: v._getEv, |
---|
| 2714 | onselect: v._getEv, |
---|
| 2715 | onchange: v._getEv |
---|
| 2716 | }); |
---|
| 2717 | })(Element._attributeTranslations.read.values); |
---|
| 2718 | |
---|
| 2719 | if (Prototype.BrowserFeatures.ElementExtensions) { |
---|
| 2720 | (function() { |
---|
| 2721 | function _descendants(element) { |
---|
| 2722 | var nodes = element.getElementsByTagName('*'), results = []; |
---|
| 2723 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 2724 | if (node.tagName !== "!") // Filter out comment nodes. |
---|
| 2725 | results.push(node); |
---|
| 2726 | return results; |
---|
| 2727 | } |
---|
| 2728 | |
---|
| 2729 | Element.Methods.down = function(element, expression, index) { |
---|
| 2730 | element = $(element); |
---|
| 2731 | if (arguments.length == 1) return element.firstDescendant(); |
---|
| 2732 | return Object.isNumber(expression) ? _descendants(element)[expression] : |
---|
| 2733 | Element.select(element, expression)[index || 0]; |
---|
| 2734 | } |
---|
| 2735 | })(); |
---|
| 2736 | } |
---|
| 2737 | |
---|
| 2738 | } |
---|
| 2739 | |
---|
| 2740 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { |
---|
| 2741 | Element.Methods.setOpacity = function(element, value) { |
---|
| 2742 | element = $(element); |
---|
| 2743 | element.style.opacity = (value == 1) ? 0.999999 : |
---|
| 2744 | (value === '') ? '' : (value < 0.00001) ? 0 : value; |
---|
| 2745 | return element; |
---|
| 2746 | }; |
---|
| 2747 | } |
---|
| 2748 | |
---|
| 2749 | else if (Prototype.Browser.WebKit) { |
---|
| 2750 | Element.Methods.setOpacity = function(element, value) { |
---|
| 2751 | element = $(element); |
---|
| 2752 | element.style.opacity = (value == 1 || value === '') ? '' : |
---|
| 2753 | (value < 0.00001) ? 0 : value; |
---|
| 2754 | |
---|
| 2755 | if (value == 1) |
---|
| 2756 | if(element.tagName.toUpperCase() == 'IMG' && element.width) { |
---|
| 2757 | element.width++; element.width--; |
---|
| 2758 | } else try { |
---|
| 2759 | var n = document.createTextNode(' '); |
---|
| 2760 | element.appendChild(n); |
---|
| 2761 | element.removeChild(n); |
---|
| 2762 | } catch (e) { } |
---|
| 2763 | |
---|
| 2764 | return element; |
---|
| 2765 | }; |
---|
| 2766 | |
---|
| 2767 | Element.Methods.cumulativeOffset = function(element) { |
---|
| 2768 | var valueT = 0, valueL = 0; |
---|
| 2769 | do { |
---|
| 2770 | valueT += element.offsetTop || 0; |
---|
| 2771 | valueL += element.offsetLeft || 0; |
---|
| 2772 | if (element.offsetParent == document.body) |
---|
| 2773 | if (Element.getStyle(element, 'position') == 'absolute') break; |
---|
| 2774 | |
---|
| 2775 | element = element.offsetParent; |
---|
| 2776 | } while (element); |
---|
| 2777 | |
---|
| 2778 | return Element._returnOffset(valueL, valueT); |
---|
| 2779 | }; |
---|
| 2780 | } |
---|
| 2781 | |
---|
| 2782 | if ('outerHTML' in document.documentElement) { |
---|
| 2783 | Element.Methods.replace = function(element, content) { |
---|
| 2784 | element = $(element); |
---|
| 2785 | |
---|
| 2786 | if (content && content.toElement) content = content.toElement(); |
---|
| 2787 | if (Object.isElement(content)) { |
---|
| 2788 | element.parentNode.replaceChild(content, element); |
---|
| 2789 | return element; |
---|
| 2790 | } |
---|
| 2791 | |
---|
| 2792 | content = Object.toHTML(content); |
---|
| 2793 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); |
---|
| 2794 | |
---|
| 2795 | if (Element._insertionTranslations.tags[tagName]) { |
---|
| 2796 | var nextSibling = element.next(); |
---|
| 2797 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
---|
| 2798 | parent.removeChild(element); |
---|
| 2799 | if (nextSibling) |
---|
| 2800 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); |
---|
| 2801 | else |
---|
| 2802 | fragments.each(function(node) { parent.appendChild(node) }); |
---|
| 2803 | } |
---|
| 2804 | else element.outerHTML = content.stripScripts(); |
---|
| 2805 | |
---|
| 2806 | content.evalScripts.bind(content).defer(); |
---|
| 2807 | return element; |
---|
| 2808 | }; |
---|
| 2809 | } |
---|
| 2810 | |
---|
| 2811 | Element._returnOffset = function(l, t) { |
---|
| 2812 | var result = [l, t]; |
---|
| 2813 | result.left = l; |
---|
| 2814 | result.top = t; |
---|
| 2815 | return result; |
---|
| 2816 | }; |
---|
| 2817 | |
---|
| 2818 | Element._getContentFromAnonymousElement = function(tagName, html) { |
---|
| 2819 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; |
---|
| 2820 | if (t) { |
---|
| 2821 | div.innerHTML = t[0] + html + t[1]; |
---|
| 2822 | t[2].times(function() { div = div.firstChild }); |
---|
| 2823 | } else div.innerHTML = html; |
---|
| 2824 | return $A(div.childNodes); |
---|
| 2825 | }; |
---|
| 2826 | |
---|
| 2827 | Element._insertionTranslations = { |
---|
| 2828 | before: function(element, node) { |
---|
| 2829 | element.parentNode.insertBefore(node, element); |
---|
| 2830 | }, |
---|
| 2831 | top: function(element, node) { |
---|
| 2832 | element.insertBefore(node, element.firstChild); |
---|
| 2833 | }, |
---|
| 2834 | bottom: function(element, node) { |
---|
| 2835 | element.appendChild(node); |
---|
| 2836 | }, |
---|
| 2837 | after: function(element, node) { |
---|
| 2838 | element.parentNode.insertBefore(node, element.nextSibling); |
---|
| 2839 | }, |
---|
| 2840 | tags: { |
---|
| 2841 | TABLE: ['<table>', '</table>', 1], |
---|
| 2842 | TBODY: ['<table><tbody>', '</tbody></table>', 2], |
---|
| 2843 | TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], |
---|
| 2844 | TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], |
---|
| 2845 | SELECT: ['<select>', '</select>', 1] |
---|
| 2846 | } |
---|
| 2847 | }; |
---|
| 2848 | |
---|
| 2849 | (function() { |
---|
| 2850 | var tags = Element._insertionTranslations.tags; |
---|
| 2851 | Object.extend(tags, { |
---|
| 2852 | THEAD: tags.TBODY, |
---|
| 2853 | TFOOT: tags.TBODY, |
---|
| 2854 | TH: tags.TD |
---|
| 2855 | }); |
---|
| 2856 | })(); |
---|
| 2857 | |
---|
| 2858 | Element.Methods.Simulated = { |
---|
| 2859 | hasAttribute: function(element, attribute) { |
---|
| 2860 | attribute = Element._attributeTranslations.has[attribute] || attribute; |
---|
| 2861 | var node = $(element).getAttributeNode(attribute); |
---|
| 2862 | return !!(node && node.specified); |
---|
| 2863 | } |
---|
| 2864 | }; |
---|
| 2865 | |
---|
| 2866 | Element.Methods.ByTag = { }; |
---|
| 2867 | |
---|
| 2868 | Object.extend(Element, Element.Methods); |
---|
| 2869 | |
---|
| 2870 | (function(div) { |
---|
| 2871 | |
---|
| 2872 | if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) { |
---|
| 2873 | window.HTMLElement = { }; |
---|
| 2874 | window.HTMLElement.prototype = div['__proto__']; |
---|
| 2875 | Prototype.BrowserFeatures.ElementExtensions = true; |
---|
| 2876 | } |
---|
| 2877 | |
---|
| 2878 | div = null; |
---|
| 2879 | |
---|
| 2880 | })(document.createElement('div')) |
---|
| 2881 | |
---|
| 2882 | Element.extend = (function() { |
---|
| 2883 | |
---|
| 2884 | function checkDeficiency(tagName) { |
---|
| 2885 | if (typeof window.Element != 'undefined') { |
---|
| 2886 | var proto = window.Element.prototype; |
---|
| 2887 | if (proto) { |
---|
| 2888 | var id = '_' + (Math.random()+'').slice(2); |
---|
| 2889 | var el = document.createElement(tagName); |
---|
| 2890 | proto[id] = 'x'; |
---|
| 2891 | var isBuggy = (el[id] !== 'x'); |
---|
| 2892 | delete proto[id]; |
---|
| 2893 | el = null; |
---|
| 2894 | return isBuggy; |
---|
| 2895 | } |
---|
| 2896 | } |
---|
| 2897 | return false; |
---|
| 2898 | } |
---|
| 2899 | |
---|
| 2900 | function extendElementWith(element, methods) { |
---|
| 2901 | for (var property in methods) { |
---|
| 2902 | var value = methods[property]; |
---|
| 2903 | if (Object.isFunction(value) && !(property in element)) |
---|
| 2904 | element[property] = value.methodize(); |
---|
| 2905 | } |
---|
| 2906 | } |
---|
| 2907 | |
---|
| 2908 | var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object'); |
---|
| 2909 | |
---|
| 2910 | if (Prototype.BrowserFeatures.SpecificElementExtensions) { |
---|
| 2911 | if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) { |
---|
| 2912 | return function(element) { |
---|
| 2913 | if (element && typeof element._extendedByPrototype == 'undefined') { |
---|
| 2914 | var t = element.tagName; |
---|
| 2915 | if (t && (/^(?:object|applet|embed)$/i.test(t))) { |
---|
| 2916 | extendElementWith(element, Element.Methods); |
---|
| 2917 | extendElementWith(element, Element.Methods.Simulated); |
---|
| 2918 | extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]); |
---|
| 2919 | } |
---|
| 2920 | } |
---|
| 2921 | return element; |
---|
| 2922 | } |
---|
| 2923 | } |
---|
| 2924 | return Prototype.K; |
---|
| 2925 | } |
---|
| 2926 | |
---|
| 2927 | var Methods = { }, ByTag = Element.Methods.ByTag; |
---|
| 2928 | |
---|
| 2929 | var extend = Object.extend(function(element) { |
---|
| 2930 | if (!element || typeof element._extendedByPrototype != 'undefined' || |
---|
| 2931 | element.nodeType != 1 || element == window) return element; |
---|
| 2932 | |
---|
| 2933 | var methods = Object.clone(Methods), |
---|
| 2934 | tagName = element.tagName.toUpperCase(); |
---|
| 2935 | |
---|
| 2936 | if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); |
---|
| 2937 | |
---|
| 2938 | extendElementWith(element, methods); |
---|
| 2939 | |
---|
| 2940 | element._extendedByPrototype = Prototype.emptyFunction; |
---|
| 2941 | return element; |
---|
| 2942 | |
---|
| 2943 | }, { |
---|
| 2944 | refresh: function() { |
---|
| 2945 | if (!Prototype.BrowserFeatures.ElementExtensions) { |
---|
| 2946 | Object.extend(Methods, Element.Methods); |
---|
| 2947 | Object.extend(Methods, Element.Methods.Simulated); |
---|
| 2948 | } |
---|
| 2949 | } |
---|
| 2950 | }); |
---|
| 2951 | |
---|
| 2952 | extend.refresh(); |
---|
| 2953 | return extend; |
---|
| 2954 | })(); |
---|
| 2955 | |
---|
| 2956 | Element.hasAttribute = function(element, attribute) { |
---|
| 2957 | if (element.hasAttribute) return element.hasAttribute(attribute); |
---|
| 2958 | return Element.Methods.Simulated.hasAttribute(element, attribute); |
---|
| 2959 | }; |
---|
| 2960 | |
---|
| 2961 | Element.addMethods = function(methods) { |
---|
| 2962 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
---|
| 2963 | |
---|
| 2964 | if (!methods) { |
---|
| 2965 | Object.extend(Form, Form.Methods); |
---|
| 2966 | Object.extend(Form.Element, Form.Element.Methods); |
---|
| 2967 | Object.extend(Element.Methods.ByTag, { |
---|
| 2968 | "FORM": Object.clone(Form.Methods), |
---|
| 2969 | "INPUT": Object.clone(Form.Element.Methods), |
---|
| 2970 | "SELECT": Object.clone(Form.Element.Methods), |
---|
| 2971 | "TEXTAREA": Object.clone(Form.Element.Methods) |
---|
| 2972 | }); |
---|
| 2973 | } |
---|
| 2974 | |
---|
| 2975 | if (arguments.length == 2) { |
---|
| 2976 | var tagName = methods; |
---|
| 2977 | methods = arguments[1]; |
---|
| 2978 | } |
---|
| 2979 | |
---|
| 2980 | if (!tagName) Object.extend(Element.Methods, methods || { }); |
---|
| 2981 | else { |
---|
| 2982 | if (Object.isArray(tagName)) tagName.each(extend); |
---|
| 2983 | else extend(tagName); |
---|
| 2984 | } |
---|
| 2985 | |
---|
| 2986 | function extend(tagName) { |
---|
| 2987 | tagName = tagName.toUpperCase(); |
---|
| 2988 | if (!Element.Methods.ByTag[tagName]) |
---|
| 2989 | Element.Methods.ByTag[tagName] = { }; |
---|
| 2990 | Object.extend(Element.Methods.ByTag[tagName], methods); |
---|
| 2991 | } |
---|
| 2992 | |
---|
| 2993 | function copy(methods, destination, onlyIfAbsent) { |
---|
| 2994 | onlyIfAbsent = onlyIfAbsent || false; |
---|
| 2995 | for (var property in methods) { |
---|
| 2996 | var value = methods[property]; |
---|
| 2997 | if (!Object.isFunction(value)) continue; |
---|
| 2998 | if (!onlyIfAbsent || !(property in destination)) |
---|
| 2999 | destination[property] = value.methodize(); |
---|
| 3000 | } |
---|
| 3001 | } |
---|
| 3002 | |
---|
| 3003 | function findDOMClass(tagName) { |
---|
| 3004 | var klass; |
---|
| 3005 | var trans = { |
---|
| 3006 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
---|
| 3007 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
---|
| 3008 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
---|
| 3009 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
---|
| 3010 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
---|
| 3011 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
---|
| 3012 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
---|
| 3013 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
---|
| 3014 | "FrameSet", "IFRAME": "IFrame" |
---|
| 3015 | }; |
---|
| 3016 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
---|
| 3017 | if (window[klass]) return window[klass]; |
---|
| 3018 | klass = 'HTML' + tagName + 'Element'; |
---|
| 3019 | if (window[klass]) return window[klass]; |
---|
| 3020 | klass = 'HTML' + tagName.capitalize() + 'Element'; |
---|
| 3021 | if (window[klass]) return window[klass]; |
---|
| 3022 | |
---|
| 3023 | var element = document.createElement(tagName); |
---|
| 3024 | var proto = element['__proto__'] || element.constructor.prototype; |
---|
| 3025 | element = null; |
---|
| 3026 | return proto; |
---|
| 3027 | } |
---|
| 3028 | |
---|
| 3029 | var elementPrototype = window.HTMLElement ? HTMLElement.prototype : |
---|
| 3030 | Element.prototype; |
---|
| 3031 | |
---|
| 3032 | if (F.ElementExtensions) { |
---|
| 3033 | copy(Element.Methods, elementPrototype); |
---|
| 3034 | copy(Element.Methods.Simulated, elementPrototype, true); |
---|
| 3035 | } |
---|
| 3036 | |
---|
| 3037 | if (F.SpecificElementExtensions) { |
---|
| 3038 | for (var tag in Element.Methods.ByTag) { |
---|
| 3039 | var klass = findDOMClass(tag); |
---|
| 3040 | if (Object.isUndefined(klass)) continue; |
---|
| 3041 | copy(T[tag], klass.prototype); |
---|
| 3042 | } |
---|
| 3043 | } |
---|
| 3044 | |
---|
| 3045 | Object.extend(Element, Element.Methods); |
---|
| 3046 | delete Element.ByTag; |
---|
| 3047 | |
---|
| 3048 | if (Element.extend.refresh) Element.extend.refresh(); |
---|
| 3049 | Element.cache = { }; |
---|
| 3050 | }; |
---|
| 3051 | |
---|
| 3052 | |
---|
| 3053 | document.viewport = { |
---|
| 3054 | |
---|
| 3055 | getDimensions: function() { |
---|
| 3056 | return { width: this.getWidth(), height: this.getHeight() }; |
---|
| 3057 | }, |
---|
| 3058 | |
---|
| 3059 | getScrollOffsets: function() { |
---|
| 3060 | return Element._returnOffset( |
---|
| 3061 | window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, |
---|
| 3062 | window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); |
---|
| 3063 | } |
---|
| 3064 | }; |
---|
| 3065 | |
---|
| 3066 | (function(viewport) { |
---|
| 3067 | var B = Prototype.Browser, doc = document, element, property = {}; |
---|
| 3068 | |
---|
| 3069 | function getRootElement() { |
---|
| 3070 | if (B.WebKit && !doc.evaluate) |
---|
| 3071 | return document; |
---|
| 3072 | |
---|
| 3073 | if (B.Opera && window.parseFloat(window.opera.version()) < 9.5) |
---|
| 3074 | return document.body; |
---|
| 3075 | |
---|
| 3076 | return document.documentElement; |
---|
| 3077 | } |
---|
| 3078 | |
---|
| 3079 | function define(D) { |
---|
| 3080 | if (!element) element = getRootElement(); |
---|
| 3081 | |
---|
| 3082 | property[D] = 'client' + D; |
---|
| 3083 | |
---|
| 3084 | viewport['get' + D] = function() { return element[property[D]] }; |
---|
| 3085 | return viewport['get' + D](); |
---|
| 3086 | } |
---|
| 3087 | |
---|
| 3088 | viewport.getWidth = define.curry('Width'); |
---|
| 3089 | |
---|
| 3090 | viewport.getHeight = define.curry('Height'); |
---|
| 3091 | })(document.viewport); |
---|
| 3092 | |
---|
| 3093 | |
---|
| 3094 | Element.Storage = { |
---|
| 3095 | UID: 1 |
---|
| 3096 | }; |
---|
| 3097 | |
---|
| 3098 | Element.addMethods({ |
---|
| 3099 | getStorage: function(element) { |
---|
| 3100 | if (!(element = $(element))) return; |
---|
| 3101 | |
---|
| 3102 | var uid; |
---|
| 3103 | if (element === window) { |
---|
| 3104 | uid = 0; |
---|
| 3105 | } else { |
---|
| 3106 | if (typeof element._prototypeUID === "undefined") |
---|
| 3107 | element._prototypeUID = [Element.Storage.UID++]; |
---|
| 3108 | uid = element._prototypeUID[0]; |
---|
| 3109 | } |
---|
| 3110 | |
---|
| 3111 | if (!Element.Storage[uid]) |
---|
| 3112 | Element.Storage[uid] = $H(); |
---|
| 3113 | |
---|
| 3114 | return Element.Storage[uid]; |
---|
| 3115 | }, |
---|
| 3116 | |
---|
| 3117 | store: function(element, key, value) { |
---|
| 3118 | if (!(element = $(element))) return; |
---|
| 3119 | |
---|
| 3120 | if (arguments.length === 2) { |
---|
| 3121 | Element.getStorage(element).update(key); |
---|
| 3122 | } else { |
---|
| 3123 | Element.getStorage(element).set(key, value); |
---|
| 3124 | } |
---|
| 3125 | |
---|
| 3126 | return element; |
---|
| 3127 | }, |
---|
| 3128 | |
---|
| 3129 | retrieve: function(element, key, defaultValue) { |
---|
| 3130 | if (!(element = $(element))) return; |
---|
| 3131 | var hash = Element.getStorage(element), value = hash.get(key); |
---|
| 3132 | |
---|
| 3133 | if (Object.isUndefined(value)) { |
---|
| 3134 | hash.set(key, defaultValue); |
---|
| 3135 | value = defaultValue; |
---|
| 3136 | } |
---|
| 3137 | |
---|
| 3138 | return value; |
---|
| 3139 | }, |
---|
| 3140 | |
---|
| 3141 | clone: function(element, deep) { |
---|
| 3142 | if (!(element = $(element))) return; |
---|
| 3143 | var clone = element.cloneNode(deep); |
---|
| 3144 | clone._prototypeUID = void 0; |
---|
| 3145 | if (deep) { |
---|
| 3146 | var descendants = Element.select(clone, '*'), |
---|
| 3147 | i = descendants.length; |
---|
| 3148 | while (i--) { |
---|
| 3149 | descendants[i]._prototypeUID = void 0; |
---|
| 3150 | } |
---|
| 3151 | } |
---|
| 3152 | return Element.extend(clone); |
---|
| 3153 | } |
---|
| 3154 | }); |
---|
| 3155 | /* Portions of the Selector class are derived from Jack Slocum's DomQuery, |
---|
| 3156 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
---|
| 3157 | * license. Please see http://www.yui-ext.com/ for more information. */ |
---|
| 3158 | |
---|
| 3159 | var Selector = Class.create({ |
---|
| 3160 | initialize: function(expression) { |
---|
| 3161 | this.expression = expression.strip(); |
---|
| 3162 | |
---|
| 3163 | if (this.shouldUseSelectorsAPI()) { |
---|
| 3164 | this.mode = 'selectorsAPI'; |
---|
| 3165 | } else if (this.shouldUseXPath()) { |
---|
| 3166 | this.mode = 'xpath'; |
---|
| 3167 | this.compileXPathMatcher(); |
---|
| 3168 | } else { |
---|
| 3169 | this.mode = "normal"; |
---|
| 3170 | this.compileMatcher(); |
---|
| 3171 | } |
---|
| 3172 | |
---|
| 3173 | }, |
---|
| 3174 | |
---|
| 3175 | shouldUseXPath: (function() { |
---|
| 3176 | |
---|
| 3177 | var IS_DESCENDANT_SELECTOR_BUGGY = (function(){ |
---|
| 3178 | var isBuggy = false; |
---|
| 3179 | if (document.evaluate && window.XPathResult) { |
---|
| 3180 | var el = document.createElement('div'); |
---|
| 3181 | el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>'; |
---|
| 3182 | |
---|
| 3183 | var xpath = ".//*[local-name()='ul' or local-name()='UL']" + |
---|
| 3184 | "//*[local-name()='li' or local-name()='LI']"; |
---|
| 3185 | |
---|
| 3186 | var result = document.evaluate(xpath, el, null, |
---|
| 3187 | XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
---|
| 3188 | |
---|
| 3189 | isBuggy = (result.snapshotLength !== 2); |
---|
| 3190 | el = null; |
---|
| 3191 | } |
---|
| 3192 | return isBuggy; |
---|
| 3193 | })(); |
---|
| 3194 | |
---|
| 3195 | return function() { |
---|
| 3196 | if (!Prototype.BrowserFeatures.XPath) return false; |
---|
| 3197 | |
---|
| 3198 | var e = this.expression; |
---|
| 3199 | |
---|
| 3200 | if (Prototype.Browser.WebKit && |
---|
| 3201 | (e.include("-of-type") || e.include(":empty"))) |
---|
| 3202 | return false; |
---|
| 3203 | |
---|
| 3204 | if ((/(\[[\w-]*?:|:checked)/).test(e)) |
---|
| 3205 | return false; |
---|
| 3206 | |
---|
| 3207 | if (IS_DESCENDANT_SELECTOR_BUGGY) return false; |
---|
| 3208 | |
---|
| 3209 | return true; |
---|
| 3210 | } |
---|
| 3211 | |
---|
| 3212 | })(), |
---|
| 3213 | |
---|
| 3214 | shouldUseSelectorsAPI: function() { |
---|
| 3215 | if (!Prototype.BrowserFeatures.SelectorsAPI) return false; |
---|
| 3216 | |
---|
| 3217 | if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false; |
---|
| 3218 | |
---|
| 3219 | if (!Selector._div) Selector._div = new Element('div'); |
---|
| 3220 | |
---|
| 3221 | try { |
---|
| 3222 | Selector._div.querySelector(this.expression); |
---|
| 3223 | } catch(e) { |
---|
| 3224 | return false; |
---|
| 3225 | } |
---|
| 3226 | |
---|
| 3227 | return true; |
---|
| 3228 | }, |
---|
| 3229 | |
---|
| 3230 | compileMatcher: function() { |
---|
| 3231 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
---|
| 3232 | c = Selector.criteria, le, p, m, len = ps.length, name; |
---|
| 3233 | |
---|
| 3234 | if (Selector._cache[e]) { |
---|
| 3235 | this.matcher = Selector._cache[e]; |
---|
| 3236 | return; |
---|
| 3237 | } |
---|
| 3238 | |
---|
| 3239 | this.matcher = ["this.matcher = function(root) {", |
---|
| 3240 | "var r = root, h = Selector.handlers, c = false, n;"]; |
---|
| 3241 | |
---|
| 3242 | while (e && le != e && (/\S/).test(e)) { |
---|
| 3243 | le = e; |
---|
| 3244 | for (var i = 0; i<len; i++) { |
---|
| 3245 | p = ps[i].re; |
---|
| 3246 | name = ps[i].name; |
---|
| 3247 | if (m = e.match(p)) { |
---|
| 3248 | this.matcher.push(Object.isFunction(c[name]) ? c[name](m) : |
---|
| 3249 | new Template(c[name]).evaluate(m)); |
---|
| 3250 | e = e.replace(m[0], ''); |
---|
| 3251 | break; |
---|
| 3252 | } |
---|
| 3253 | } |
---|
| 3254 | } |
---|
| 3255 | |
---|
| 3256 | this.matcher.push("return h.unique(n);\n}"); |
---|
| 3257 | eval(this.matcher.join('\n')); |
---|
| 3258 | Selector._cache[this.expression] = this.matcher; |
---|
| 3259 | }, |
---|
| 3260 | |
---|
| 3261 | compileXPathMatcher: function() { |
---|
| 3262 | var e = this.expression, ps = Selector.patterns, |
---|
| 3263 | x = Selector.xpath, le, m, len = ps.length, name; |
---|
| 3264 | |
---|
| 3265 | if (Selector._cache[e]) { |
---|
| 3266 | this.xpath = Selector._cache[e]; return; |
---|
| 3267 | } |
---|
| 3268 | |
---|
| 3269 | this.matcher = ['.//*']; |
---|
| 3270 | while (e && le != e && (/\S/).test(e)) { |
---|
| 3271 | le = e; |
---|
| 3272 | for (var i = 0; i<len; i++) { |
---|
| 3273 | name = ps[i].name; |
---|
| 3274 | if (m = e.match(ps[i].re)) { |
---|
| 3275 | this.matcher.push(Object.isFunction(x[name]) ? x[name](m) : |
---|
| 3276 | new Template(x[name]).evaluate(m)); |
---|
| 3277 | e = e.replace(m[0], ''); |
---|
| 3278 | break; |
---|
| 3279 | } |
---|
| 3280 | } |
---|
| 3281 | } |
---|
| 3282 | |
---|
| 3283 | this.xpath = this.matcher.join(''); |
---|
| 3284 | Selector._cache[this.expression] = this.xpath; |
---|
| 3285 | }, |
---|
| 3286 | |
---|
| 3287 | findElements: function(root) { |
---|
| 3288 | root = root || document; |
---|
| 3289 | var e = this.expression, results; |
---|
| 3290 | |
---|
| 3291 | switch (this.mode) { |
---|
| 3292 | case 'selectorsAPI': |
---|
| 3293 | if (root !== document) { |
---|
| 3294 | var oldId = root.id, id = $(root).identify(); |
---|
| 3295 | id = id.replace(/([\.:])/g, "\\$1"); |
---|
| 3296 | e = "#" + id + " " + e; |
---|
| 3297 | } |
---|
| 3298 | |
---|
| 3299 | results = $A(root.querySelectorAll(e)).map(Element.extend); |
---|
| 3300 | root.id = oldId; |
---|
| 3301 | |
---|
| 3302 | return results; |
---|
| 3303 | case 'xpath': |
---|
| 3304 | return document._getElementsByXPath(this.xpath, root); |
---|
| 3305 | default: |
---|
| 3306 | return this.matcher(root); |
---|
| 3307 | } |
---|
| 3308 | }, |
---|
| 3309 | |
---|
| 3310 | match: function(element) { |
---|
| 3311 | this.tokens = []; |
---|
| 3312 | |
---|
| 3313 | var e = this.expression, ps = Selector.patterns, as = Selector.assertions; |
---|
| 3314 | var le, p, m, len = ps.length, name; |
---|
| 3315 | |
---|
| 3316 | while (e && le !== e && (/\S/).test(e)) { |
---|
| 3317 | le = e; |
---|
| 3318 | for (var i = 0; i<len; i++) { |
---|
| 3319 | p = ps[i].re; |
---|
| 3320 | name = ps[i].name; |
---|
| 3321 | if (m = e.match(p)) { |
---|
| 3322 | if (as[name]) { |
---|
| 3323 | this.tokens.push([name, Object.clone(m)]); |
---|
| 3324 | e = e.replace(m[0], ''); |
---|
| 3325 | } else { |
---|
| 3326 | return this.findElements(document).include(element); |
---|
| 3327 | } |
---|
| 3328 | } |
---|
| 3329 | } |
---|
| 3330 | } |
---|
| 3331 | |
---|
| 3332 | var match = true, name, matches; |
---|
| 3333 | for (var i = 0, token; token = this.tokens[i]; i++) { |
---|
| 3334 | name = token[0], matches = token[1]; |
---|
| 3335 | if (!Selector.assertions[name](element, matches)) { |
---|
| 3336 | match = false; break; |
---|
| 3337 | } |
---|
| 3338 | } |
---|
| 3339 | |
---|
| 3340 | return match; |
---|
| 3341 | }, |
---|
| 3342 | |
---|
| 3343 | toString: function() { |
---|
| 3344 | return this.expression; |
---|
| 3345 | }, |
---|
| 3346 | |
---|
| 3347 | inspect: function() { |
---|
| 3348 | return "#<Selector:" + this.expression.inspect() + ">"; |
---|
| 3349 | } |
---|
| 3350 | }); |
---|
| 3351 | |
---|
| 3352 | if (Prototype.BrowserFeatures.SelectorsAPI && |
---|
| 3353 | document.compatMode === 'BackCompat') { |
---|
| 3354 | Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){ |
---|
| 3355 | var div = document.createElement('div'), |
---|
| 3356 | span = document.createElement('span'); |
---|
| 3357 | |
---|
| 3358 | div.id = "prototype_test_id"; |
---|
| 3359 | span.className = 'Test'; |
---|
| 3360 | div.appendChild(span); |
---|
| 3361 | var isIgnored = (div.querySelector('#prototype_test_id .test') !== null); |
---|
| 3362 | div = span = null; |
---|
| 3363 | return isIgnored; |
---|
| 3364 | })(); |
---|
| 3365 | } |
---|
| 3366 | |
---|
| 3367 | Object.extend(Selector, { |
---|
| 3368 | _cache: { }, |
---|
| 3369 | |
---|
| 3370 | xpath: { |
---|
| 3371 | descendant: "//*", |
---|
| 3372 | child: "/*", |
---|
| 3373 | adjacent: "/following-sibling::*[1]", |
---|
| 3374 | laterSibling: '/following-sibling::*', |
---|
| 3375 | tagName: function(m) { |
---|
| 3376 | if (m[1] == '*') return ''; |
---|
| 3377 | return "[local-name()='" + m[1].toLowerCase() + |
---|
| 3378 | "' or local-name()='" + m[1].toUpperCase() + "']"; |
---|
| 3379 | }, |
---|
| 3380 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
---|
| 3381 | id: "[@id='#{1}']", |
---|
| 3382 | attrPresence: function(m) { |
---|
| 3383 | m[1] = m[1].toLowerCase(); |
---|
| 3384 | return new Template("[@#{1}]").evaluate(m); |
---|
| 3385 | }, |
---|
| 3386 | attr: function(m) { |
---|
| 3387 | m[1] = m[1].toLowerCase(); |
---|
| 3388 | m[3] = m[5] || m[6]; |
---|
| 3389 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
---|
| 3390 | }, |
---|
| 3391 | pseudo: function(m) { |
---|
| 3392 | var h = Selector.xpath.pseudos[m[1]]; |
---|
| 3393 | if (!h) return ''; |
---|
| 3394 | if (Object.isFunction(h)) return h(m); |
---|
| 3395 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
---|
| 3396 | }, |
---|
| 3397 | operators: { |
---|
| 3398 | '=': "[@#{1}='#{3}']", |
---|
| 3399 | '!=': "[@#{1}!='#{3}']", |
---|
| 3400 | '^=': "[starts-with(@#{1}, '#{3}')]", |
---|
| 3401 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
---|
| 3402 | '*=': "[contains(@#{1}, '#{3}')]", |
---|
| 3403 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
---|
| 3404 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
---|
| 3405 | }, |
---|
| 3406 | pseudos: { |
---|
| 3407 | 'first-child': '[not(preceding-sibling::*)]', |
---|
| 3408 | 'last-child': '[not(following-sibling::*)]', |
---|
| 3409 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
---|
| 3410 | 'empty': "[count(*) = 0 and (count(text()) = 0)]", |
---|
| 3411 | 'checked': "[@checked]", |
---|
| 3412 | 'disabled': "[(@disabled) and (@type!='hidden')]", |
---|
| 3413 | 'enabled': "[not(@disabled) and (@type!='hidden')]", |
---|
| 3414 | 'not': function(m) { |
---|
| 3415 | var e = m[6], p = Selector.patterns, |
---|
| 3416 | x = Selector.xpath, le, v, len = p.length, name; |
---|
| 3417 | |
---|
| 3418 | var exclusion = []; |
---|
| 3419 | while (e && le != e && (/\S/).test(e)) { |
---|
| 3420 | le = e; |
---|
| 3421 | for (var i = 0; i<len; i++) { |
---|
| 3422 | name = p[i].name |
---|
| 3423 | if (m = e.match(p[i].re)) { |
---|
| 3424 | v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m); |
---|
| 3425 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
---|
| 3426 | e = e.replace(m[0], ''); |
---|
| 3427 | break; |
---|
| 3428 | } |
---|
| 3429 | } |
---|
| 3430 | } |
---|
| 3431 | return "[not(" + exclusion.join(" and ") + ")]"; |
---|
| 3432 | }, |
---|
| 3433 | 'nth-child': function(m) { |
---|
| 3434 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
---|
| 3435 | }, |
---|
| 3436 | 'nth-last-child': function(m) { |
---|
| 3437 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
---|
| 3438 | }, |
---|
| 3439 | 'nth-of-type': function(m) { |
---|
| 3440 | return Selector.xpath.pseudos.nth("position() ", m); |
---|
| 3441 | }, |
---|
| 3442 | 'nth-last-of-type': function(m) { |
---|
| 3443 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
---|
| 3444 | }, |
---|
| 3445 | 'first-of-type': function(m) { |
---|
| 3446 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
---|
| 3447 | }, |
---|
| 3448 | 'last-of-type': function(m) { |
---|
| 3449 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
---|
| 3450 | }, |
---|
| 3451 | 'only-of-type': function(m) { |
---|
| 3452 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
---|
| 3453 | }, |
---|
| 3454 | nth: function(fragment, m) { |
---|
| 3455 | var mm, formula = m[6], predicate; |
---|
| 3456 | if (formula == 'even') formula = '2n+0'; |
---|
| 3457 | if (formula == 'odd') formula = '2n+1'; |
---|
| 3458 | if (mm = formula.match(/^(\d+)$/)) // digit only |
---|
| 3459 | return '[' + fragment + "= " + mm[1] + ']'; |
---|
| 3460 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
---|
| 3461 | if (mm[1] == "-") mm[1] = -1; |
---|
| 3462 | var a = mm[1] ? Number(mm[1]) : 1; |
---|
| 3463 | var b = mm[2] ? Number(mm[2]) : 0; |
---|
| 3464 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
---|
| 3465 | "((#{fragment} - #{b}) div #{a} >= 0)]"; |
---|
| 3466 | return new Template(predicate).evaluate({ |
---|
| 3467 | fragment: fragment, a: a, b: b }); |
---|
| 3468 | } |
---|
| 3469 | } |
---|
| 3470 | } |
---|
| 3471 | }, |
---|
| 3472 | |
---|
| 3473 | criteria: { |
---|
| 3474 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
---|
| 3475 | className: 'n = h.className(n, r, "#{1}", c); c = false;', |
---|
| 3476 | id: 'n = h.id(n, r, "#{1}", c); c = false;', |
---|
| 3477 | attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', |
---|
| 3478 | attr: function(m) { |
---|
| 3479 | m[3] = (m[5] || m[6]); |
---|
| 3480 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); |
---|
| 3481 | }, |
---|
| 3482 | pseudo: function(m) { |
---|
| 3483 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
---|
| 3484 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
---|
| 3485 | }, |
---|
| 3486 | descendant: 'c = "descendant";', |
---|
| 3487 | child: 'c = "child";', |
---|
| 3488 | adjacent: 'c = "adjacent";', |
---|
| 3489 | laterSibling: 'c = "laterSibling";' |
---|
| 3490 | }, |
---|
| 3491 | |
---|
| 3492 | patterns: [ |
---|
| 3493 | { name: 'laterSibling', re: /^\s*~\s*/ }, |
---|
| 3494 | { name: 'child', re: /^\s*>\s*/ }, |
---|
| 3495 | { name: 'adjacent', re: /^\s*\+\s*/ }, |
---|
| 3496 | { name: 'descendant', re: /^\s/ }, |
---|
| 3497 | |
---|
| 3498 | { name: 'tagName', re: /^\s*(\*|[\w\-]+)(\b|$)?/ }, |
---|
| 3499 | { name: 'id', re: /^#([\w\-\*]+)(\b|$)/ }, |
---|
| 3500 | { name: 'className', re: /^\.([\w\-\*]+)(\b|$)/ }, |
---|
| 3501 | { name: 'pseudo', re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ }, |
---|
| 3502 | { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ }, |
---|
| 3503 | { name: 'attr', re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ } |
---|
| 3504 | ], |
---|
| 3505 | |
---|
| 3506 | assertions: { |
---|
| 3507 | tagName: function(element, matches) { |
---|
| 3508 | return matches[1].toUpperCase() == element.tagName.toUpperCase(); |
---|
| 3509 | }, |
---|
| 3510 | |
---|
| 3511 | className: function(element, matches) { |
---|
| 3512 | return Element.hasClassName(element, matches[1]); |
---|
| 3513 | }, |
---|
| 3514 | |
---|
| 3515 | id: function(element, matches) { |
---|
| 3516 | return element.id === matches[1]; |
---|
| 3517 | }, |
---|
| 3518 | |
---|
| 3519 | attrPresence: function(element, matches) { |
---|
| 3520 | return Element.hasAttribute(element, matches[1]); |
---|
| 3521 | }, |
---|
| 3522 | |
---|
| 3523 | attr: function(element, matches) { |
---|
| 3524 | var nodeValue = Element.readAttribute(element, matches[1]); |
---|
| 3525 | return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); |
---|
| 3526 | } |
---|
| 3527 | }, |
---|
| 3528 | |
---|
| 3529 | handlers: { |
---|
| 3530 | concat: function(a, b) { |
---|
| 3531 | for (var i = 0, node; node = b[i]; i++) |
---|
| 3532 | a.push(node); |
---|
| 3533 | return a; |
---|
| 3534 | }, |
---|
| 3535 | |
---|
| 3536 | mark: function(nodes) { |
---|
| 3537 | var _true = Prototype.emptyFunction; |
---|
| 3538 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3539 | node._countedByPrototype = _true; |
---|
| 3540 | return nodes; |
---|
| 3541 | }, |
---|
| 3542 | |
---|
| 3543 | unmark: (function(){ |
---|
| 3544 | |
---|
| 3545 | var PROPERTIES_ATTRIBUTES_MAP = (function(){ |
---|
| 3546 | var el = document.createElement('div'), |
---|
| 3547 | isBuggy = false, |
---|
| 3548 | propName = '_countedByPrototype', |
---|
| 3549 | value = 'x' |
---|
| 3550 | el[propName] = value; |
---|
| 3551 | isBuggy = (el.getAttribute(propName) === value); |
---|
| 3552 | el = null; |
---|
| 3553 | return isBuggy; |
---|
| 3554 | })(); |
---|
| 3555 | |
---|
| 3556 | return PROPERTIES_ATTRIBUTES_MAP ? |
---|
| 3557 | function(nodes) { |
---|
| 3558 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3559 | node.removeAttribute('_countedByPrototype'); |
---|
| 3560 | return nodes; |
---|
| 3561 | } : |
---|
| 3562 | function(nodes) { |
---|
| 3563 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3564 | node._countedByPrototype = void 0; |
---|
| 3565 | return nodes; |
---|
| 3566 | } |
---|
| 3567 | })(), |
---|
| 3568 | |
---|
| 3569 | index: function(parentNode, reverse, ofType) { |
---|
| 3570 | parentNode._countedByPrototype = Prototype.emptyFunction; |
---|
| 3571 | if (reverse) { |
---|
| 3572 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
---|
| 3573 | var node = nodes[i]; |
---|
| 3574 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
---|
| 3575 | } |
---|
| 3576 | } else { |
---|
| 3577 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
---|
| 3578 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
---|
| 3579 | } |
---|
| 3580 | }, |
---|
| 3581 | |
---|
| 3582 | unique: function(nodes) { |
---|
| 3583 | if (nodes.length == 0) return nodes; |
---|
| 3584 | var results = [], n; |
---|
| 3585 | for (var i = 0, l = nodes.length; i < l; i++) |
---|
| 3586 | if (typeof (n = nodes[i])._countedByPrototype == 'undefined') { |
---|
| 3587 | n._countedByPrototype = Prototype.emptyFunction; |
---|
| 3588 | results.push(Element.extend(n)); |
---|
| 3589 | } |
---|
| 3590 | return Selector.handlers.unmark(results); |
---|
| 3591 | }, |
---|
| 3592 | |
---|
| 3593 | descendant: function(nodes) { |
---|
| 3594 | var h = Selector.handlers; |
---|
| 3595 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3596 | h.concat(results, node.getElementsByTagName('*')); |
---|
| 3597 | return results; |
---|
| 3598 | }, |
---|
| 3599 | |
---|
| 3600 | child: function(nodes) { |
---|
| 3601 | var h = Selector.handlers; |
---|
| 3602 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3603 | for (var j = 0, child; child = node.childNodes[j]; j++) |
---|
| 3604 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
---|
| 3605 | } |
---|
| 3606 | return results; |
---|
| 3607 | }, |
---|
| 3608 | |
---|
| 3609 | adjacent: function(nodes) { |
---|
| 3610 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3611 | var next = this.nextElementSibling(node); |
---|
| 3612 | if (next) results.push(next); |
---|
| 3613 | } |
---|
| 3614 | return results; |
---|
| 3615 | }, |
---|
| 3616 | |
---|
| 3617 | laterSibling: function(nodes) { |
---|
| 3618 | var h = Selector.handlers; |
---|
| 3619 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3620 | h.concat(results, Element.nextSiblings(node)); |
---|
| 3621 | return results; |
---|
| 3622 | }, |
---|
| 3623 | |
---|
| 3624 | nextElementSibling: function(node) { |
---|
| 3625 | while (node = node.nextSibling) |
---|
| 3626 | if (node.nodeType == 1) return node; |
---|
| 3627 | return null; |
---|
| 3628 | }, |
---|
| 3629 | |
---|
| 3630 | previousElementSibling: function(node) { |
---|
| 3631 | while (node = node.previousSibling) |
---|
| 3632 | if (node.nodeType == 1) return node; |
---|
| 3633 | return null; |
---|
| 3634 | }, |
---|
| 3635 | |
---|
| 3636 | tagName: function(nodes, root, tagName, combinator) { |
---|
| 3637 | var uTagName = tagName.toUpperCase(); |
---|
| 3638 | var results = [], h = Selector.handlers; |
---|
| 3639 | if (nodes) { |
---|
| 3640 | if (combinator) { |
---|
| 3641 | if (combinator == "descendant") { |
---|
| 3642 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3643 | h.concat(results, node.getElementsByTagName(tagName)); |
---|
| 3644 | return results; |
---|
| 3645 | } else nodes = this[combinator](nodes); |
---|
| 3646 | if (tagName == "*") return nodes; |
---|
| 3647 | } |
---|
| 3648 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3649 | if (node.tagName.toUpperCase() === uTagName) results.push(node); |
---|
| 3650 | return results; |
---|
| 3651 | } else return root.getElementsByTagName(tagName); |
---|
| 3652 | }, |
---|
| 3653 | |
---|
| 3654 | id: function(nodes, root, id, combinator) { |
---|
| 3655 | var targetNode = $(id), h = Selector.handlers; |
---|
| 3656 | |
---|
| 3657 | if (root == document) { |
---|
| 3658 | if (!targetNode) return []; |
---|
| 3659 | if (!nodes) return [targetNode]; |
---|
| 3660 | } else { |
---|
| 3661 | if (!root.sourceIndex || root.sourceIndex < 1) { |
---|
| 3662 | var nodes = root.getElementsByTagName('*'); |
---|
| 3663 | for (var j = 0, node; node = nodes[j]; j++) { |
---|
| 3664 | if (node.id === id) return [node]; |
---|
| 3665 | } |
---|
| 3666 | } |
---|
| 3667 | } |
---|
| 3668 | |
---|
| 3669 | if (nodes) { |
---|
| 3670 | if (combinator) { |
---|
| 3671 | if (combinator == 'child') { |
---|
| 3672 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3673 | if (targetNode.parentNode == node) return [targetNode]; |
---|
| 3674 | } else if (combinator == 'descendant') { |
---|
| 3675 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3676 | if (Element.descendantOf(targetNode, node)) return [targetNode]; |
---|
| 3677 | } else if (combinator == 'adjacent') { |
---|
| 3678 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3679 | if (Selector.handlers.previousElementSibling(targetNode) == node) |
---|
| 3680 | return [targetNode]; |
---|
| 3681 | } else nodes = h[combinator](nodes); |
---|
| 3682 | } |
---|
| 3683 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3684 | if (node == targetNode) return [targetNode]; |
---|
| 3685 | return []; |
---|
| 3686 | } |
---|
| 3687 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
---|
| 3688 | }, |
---|
| 3689 | |
---|
| 3690 | className: function(nodes, root, className, combinator) { |
---|
| 3691 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 3692 | return Selector.handlers.byClassName(nodes, root, className); |
---|
| 3693 | }, |
---|
| 3694 | |
---|
| 3695 | byClassName: function(nodes, root, className) { |
---|
| 3696 | if (!nodes) nodes = Selector.handlers.descendant([root]); |
---|
| 3697 | var needle = ' ' + className + ' '; |
---|
| 3698 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
---|
| 3699 | nodeClassName = node.className; |
---|
| 3700 | if (nodeClassName.length == 0) continue; |
---|
| 3701 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
---|
| 3702 | results.push(node); |
---|
| 3703 | } |
---|
| 3704 | return results; |
---|
| 3705 | }, |
---|
| 3706 | |
---|
| 3707 | attrPresence: function(nodes, root, attr, combinator) { |
---|
| 3708 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 3709 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 3710 | var results = []; |
---|
| 3711 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3712 | if (Element.hasAttribute(node, attr)) results.push(node); |
---|
| 3713 | return results; |
---|
| 3714 | }, |
---|
| 3715 | |
---|
| 3716 | attr: function(nodes, root, attr, value, operator, combinator) { |
---|
| 3717 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 3718 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 3719 | var handler = Selector.operators[operator], results = []; |
---|
| 3720 | for (var i = 0, node; node = nodes[i]; i++) { |
---|
| 3721 | var nodeValue = Element.readAttribute(node, attr); |
---|
| 3722 | if (nodeValue === null) continue; |
---|
| 3723 | if (handler(nodeValue, value)) results.push(node); |
---|
| 3724 | } |
---|
| 3725 | return results; |
---|
| 3726 | }, |
---|
| 3727 | |
---|
| 3728 | pseudo: function(nodes, name, value, root, combinator) { |
---|
| 3729 | if (nodes && combinator) nodes = this[combinator](nodes); |
---|
| 3730 | if (!nodes) nodes = root.getElementsByTagName("*"); |
---|
| 3731 | return Selector.pseudos[name](nodes, value, root); |
---|
| 3732 | } |
---|
| 3733 | }, |
---|
| 3734 | |
---|
| 3735 | pseudos: { |
---|
| 3736 | 'first-child': function(nodes, value, root) { |
---|
| 3737 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3738 | if (Selector.handlers.previousElementSibling(node)) continue; |
---|
| 3739 | results.push(node); |
---|
| 3740 | } |
---|
| 3741 | return results; |
---|
| 3742 | }, |
---|
| 3743 | 'last-child': function(nodes, value, root) { |
---|
| 3744 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3745 | if (Selector.handlers.nextElementSibling(node)) continue; |
---|
| 3746 | results.push(node); |
---|
| 3747 | } |
---|
| 3748 | return results; |
---|
| 3749 | }, |
---|
| 3750 | 'only-child': function(nodes, value, root) { |
---|
| 3751 | var h = Selector.handlers; |
---|
| 3752 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3753 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
---|
| 3754 | results.push(node); |
---|
| 3755 | return results; |
---|
| 3756 | }, |
---|
| 3757 | 'nth-child': function(nodes, formula, root) { |
---|
| 3758 | return Selector.pseudos.nth(nodes, formula, root); |
---|
| 3759 | }, |
---|
| 3760 | 'nth-last-child': function(nodes, formula, root) { |
---|
| 3761 | return Selector.pseudos.nth(nodes, formula, root, true); |
---|
| 3762 | }, |
---|
| 3763 | 'nth-of-type': function(nodes, formula, root) { |
---|
| 3764 | return Selector.pseudos.nth(nodes, formula, root, false, true); |
---|
| 3765 | }, |
---|
| 3766 | 'nth-last-of-type': function(nodes, formula, root) { |
---|
| 3767 | return Selector.pseudos.nth(nodes, formula, root, true, true); |
---|
| 3768 | }, |
---|
| 3769 | 'first-of-type': function(nodes, formula, root) { |
---|
| 3770 | return Selector.pseudos.nth(nodes, "1", root, false, true); |
---|
| 3771 | }, |
---|
| 3772 | 'last-of-type': function(nodes, formula, root) { |
---|
| 3773 | return Selector.pseudos.nth(nodes, "1", root, true, true); |
---|
| 3774 | }, |
---|
| 3775 | 'only-of-type': function(nodes, formula, root) { |
---|
| 3776 | var p = Selector.pseudos; |
---|
| 3777 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
---|
| 3778 | }, |
---|
| 3779 | |
---|
| 3780 | getIndices: function(a, b, total) { |
---|
| 3781 | if (a == 0) return b > 0 ? [b] : []; |
---|
| 3782 | return $R(1, total).inject([], function(memo, i) { |
---|
| 3783 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
---|
| 3784 | return memo; |
---|
| 3785 | }); |
---|
| 3786 | }, |
---|
| 3787 | |
---|
| 3788 | nth: function(nodes, formula, root, reverse, ofType) { |
---|
| 3789 | if (nodes.length == 0) return []; |
---|
| 3790 | if (formula == 'even') formula = '2n+0'; |
---|
| 3791 | if (formula == 'odd') formula = '2n+1'; |
---|
| 3792 | var h = Selector.handlers, results = [], indexed = [], m; |
---|
| 3793 | h.mark(nodes); |
---|
| 3794 | for (var i = 0, node; node = nodes[i]; i++) { |
---|
| 3795 | if (!node.parentNode._countedByPrototype) { |
---|
| 3796 | h.index(node.parentNode, reverse, ofType); |
---|
| 3797 | indexed.push(node.parentNode); |
---|
| 3798 | } |
---|
| 3799 | } |
---|
| 3800 | if (formula.match(/^\d+$/)) { // just a number |
---|
| 3801 | formula = Number(formula); |
---|
| 3802 | for (var i = 0, node; node = nodes[i]; i++) |
---|
| 3803 | if (node.nodeIndex == formula) results.push(node); |
---|
| 3804 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
---|
| 3805 | if (m[1] == "-") m[1] = -1; |
---|
| 3806 | var a = m[1] ? Number(m[1]) : 1; |
---|
| 3807 | var b = m[2] ? Number(m[2]) : 0; |
---|
| 3808 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
---|
| 3809 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
---|
| 3810 | for (var j = 0; j < l; j++) |
---|
| 3811 | if (node.nodeIndex == indices[j]) results.push(node); |
---|
| 3812 | } |
---|
| 3813 | } |
---|
| 3814 | h.unmark(nodes); |
---|
| 3815 | h.unmark(indexed); |
---|
| 3816 | return results; |
---|
| 3817 | }, |
---|
| 3818 | |
---|
| 3819 | 'empty': function(nodes, value, root) { |
---|
| 3820 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
---|
| 3821 | if (node.tagName == '!' || node.firstChild) continue; |
---|
| 3822 | results.push(node); |
---|
| 3823 | } |
---|
| 3824 | return results; |
---|
| 3825 | }, |
---|
| 3826 | |
---|
| 3827 | 'not': function(nodes, selector, root) { |
---|
| 3828 | var h = Selector.handlers, selectorType, m; |
---|
| 3829 | var exclusions = new Selector(selector).findElements(root); |
---|
| 3830 | h.mark(exclusions); |
---|
| 3831 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3832 | if (!node._countedByPrototype) results.push(node); |
---|
| 3833 | h.unmark(exclusions); |
---|
| 3834 | return results; |
---|
| 3835 | }, |
---|
| 3836 | |
---|
| 3837 | 'enabled': function(nodes, value, root) { |
---|
| 3838 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3839 | if (!node.disabled && (!node.type || node.type !== 'hidden')) |
---|
| 3840 | results.push(node); |
---|
| 3841 | return results; |
---|
| 3842 | }, |
---|
| 3843 | |
---|
| 3844 | 'disabled': function(nodes, value, root) { |
---|
| 3845 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3846 | if (node.disabled) results.push(node); |
---|
| 3847 | return results; |
---|
| 3848 | }, |
---|
| 3849 | |
---|
| 3850 | 'checked': function(nodes, value, root) { |
---|
| 3851 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
---|
| 3852 | if (node.checked) results.push(node); |
---|
| 3853 | return results; |
---|
| 3854 | } |
---|
| 3855 | }, |
---|
| 3856 | |
---|
| 3857 | operators: { |
---|
| 3858 | '=': function(nv, v) { return nv == v; }, |
---|
| 3859 | '!=': function(nv, v) { return nv != v; }, |
---|
| 3860 | '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); }, |
---|
| 3861 | '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); }, |
---|
| 3862 | '*=': function(nv, v) { return nv == v || nv && nv.include(v); }, |
---|
| 3863 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
---|
| 3864 | '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() + |
---|
| 3865 | '-').include('-' + (v || "").toUpperCase() + '-'); } |
---|
| 3866 | }, |
---|
| 3867 | |
---|
| 3868 | split: function(expression) { |
---|
| 3869 | var expressions = []; |
---|
| 3870 | expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
---|
| 3871 | expressions.push(m[1].strip()); |
---|
| 3872 | }); |
---|
| 3873 | return expressions; |
---|
| 3874 | }, |
---|
| 3875 | |
---|
| 3876 | matchElements: function(elements, expression) { |
---|
| 3877 | var matches = $$(expression), h = Selector.handlers; |
---|
| 3878 | h.mark(matches); |
---|
| 3879 | for (var i = 0, results = [], element; element = elements[i]; i++) |
---|
| 3880 | if (element._countedByPrototype) results.push(element); |
---|
| 3881 | h.unmark(matches); |
---|
| 3882 | return results; |
---|
| 3883 | }, |
---|
| 3884 | |
---|
| 3885 | findElement: function(elements, expression, index) { |
---|
| 3886 | if (Object.isNumber(expression)) { |
---|
| 3887 | index = expression; expression = false; |
---|
| 3888 | } |
---|
| 3889 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
---|
| 3890 | }, |
---|
| 3891 | |
---|
| 3892 | findChildElements: function(element, expressions) { |
---|
| 3893 | expressions = Selector.split(expressions.join(',')); |
---|
| 3894 | var results = [], h = Selector.handlers; |
---|
| 3895 | for (var i = 0, l = expressions.length, selector; i < l; i++) { |
---|
| 3896 | selector = new Selector(expressions[i].strip()); |
---|
| 3897 | h.concat(results, selector.findElements(element)); |
---|
| 3898 | } |
---|
| 3899 | return (l > 1) ? h.unique(results) : results; |
---|
| 3900 | } |
---|
| 3901 | }); |
---|
| 3902 | |
---|
| 3903 | if (Prototype.Browser.IE) { |
---|
| 3904 | Object.extend(Selector.handlers, { |
---|
| 3905 | concat: function(a, b) { |
---|
| 3906 | for (var i = 0, node; node = b[i]; i++) |
---|
| 3907 | if (node.tagName !== "!") a.push(node); |
---|
| 3908 | return a; |
---|
| 3909 | } |
---|
| 3910 | }); |
---|
| 3911 | } |
---|
| 3912 | |
---|
| 3913 | function $$() { |
---|
| 3914 | return Selector.findChildElements(document, $A(arguments)); |
---|
| 3915 | } |
---|
| 3916 | |
---|
| 3917 | var Form = { |
---|
| 3918 | reset: function(form) { |
---|
| 3919 | form = $(form); |
---|
| 3920 | form.reset(); |
---|
| 3921 | return form; |
---|
| 3922 | }, |
---|
| 3923 | |
---|
| 3924 | serializeElements: function(elements, options) { |
---|
| 3925 | if (typeof options != 'object') options = { hash: !!options }; |
---|
| 3926 | else if (Object.isUndefined(options.hash)) options.hash = true; |
---|
| 3927 | var key, value, submitted = false, submit = options.submit; |
---|
| 3928 | |
---|
| 3929 | var data = elements.inject({ }, function(result, element) { |
---|
| 3930 | if (!element.disabled && element.name) { |
---|
| 3931 | key = element.name; value = $(element).getValue(); |
---|
| 3932 | if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted && |
---|
| 3933 | submit !== false && (!submit || key == submit) && (submitted = true)))) { |
---|
| 3934 | if (key in result) { |
---|
| 3935 | if (!Object.isArray(result[key])) result[key] = [result[key]]; |
---|
| 3936 | result[key].push(value); |
---|
| 3937 | } |
---|
| 3938 | else result[key] = value; |
---|
| 3939 | } |
---|
| 3940 | } |
---|
| 3941 | return result; |
---|
| 3942 | }); |
---|
| 3943 | |
---|
| 3944 | return options.hash ? data : Object.toQueryString(data); |
---|
| 3945 | } |
---|
| 3946 | }; |
---|
| 3947 | |
---|
| 3948 | Form.Methods = { |
---|
| 3949 | serialize: function(form, options) { |
---|
| 3950 | return Form.serializeElements(Form.getElements(form), options); |
---|
| 3951 | }, |
---|
| 3952 | |
---|
| 3953 | getElements: function(form) { |
---|
| 3954 | var elements = $(form).getElementsByTagName('*'), |
---|
| 3955 | element, |
---|
| 3956 | arr = [ ], |
---|
| 3957 | serializers = Form.Element.Serializers; |
---|
| 3958 | for (var i = 0; element = elements[i]; i++) { |
---|
| 3959 | arr.push(element); |
---|
| 3960 | } |
---|
| 3961 | return arr.inject([], function(elements, child) { |
---|
| 3962 | if (serializers[child.tagName.toLowerCase()]) |
---|
| 3963 | elements.push(Element.extend(child)); |
---|
| 3964 | return elements; |
---|
| 3965 | }) |
---|
| 3966 | }, |
---|
| 3967 | |
---|
| 3968 | getInputs: function(form, typeName, name) { |
---|
| 3969 | form = $(form); |
---|
| 3970 | var inputs = form.getElementsByTagName('input'); |
---|
| 3971 | |
---|
| 3972 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
---|
| 3973 | |
---|
| 3974 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
---|
| 3975 | var input = inputs[i]; |
---|
| 3976 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
---|
| 3977 | continue; |
---|
| 3978 | matchingInputs.push(Element.extend(input)); |
---|
| 3979 | } |
---|
| 3980 | |
---|
| 3981 | return matchingInputs; |
---|
| 3982 | }, |
---|
| 3983 | |
---|
| 3984 | disable: function(form) { |
---|
| 3985 | form = $(form); |
---|
| 3986 | Form.getElements(form).invoke('disable'); |
---|
| 3987 | return form; |
---|
| 3988 | }, |
---|
| 3989 | |
---|
| 3990 | enable: function(form) { |
---|
| 3991 | form = $(form); |
---|
| 3992 | Form.getElements(form).invoke('enable'); |
---|
| 3993 | return form; |
---|
| 3994 | }, |
---|
| 3995 | |
---|
| 3996 | findFirstElement: function(form) { |
---|
| 3997 | var elements = $(form).getElements().findAll(function(element) { |
---|
| 3998 | return 'hidden' != element.type && !element.disabled; |
---|
| 3999 | }); |
---|
| 4000 | var firstByIndex = elements.findAll(function(element) { |
---|
| 4001 | return element.hasAttribute('tabIndex') && element.tabIndex >= 0; |
---|
| 4002 | }).sortBy(function(element) { return element.tabIndex }).first(); |
---|
| 4003 | |
---|
| 4004 | return firstByIndex ? firstByIndex : elements.find(function(element) { |
---|
| 4005 | return /^(?:input|select|textarea)$/i.test(element.tagName); |
---|
| 4006 | }); |
---|
| 4007 | }, |
---|
| 4008 | |
---|
| 4009 | focusFirstElement: function(form) { |
---|
| 4010 | form = $(form); |
---|
| 4011 | form.findFirstElement().activate(); |
---|
| 4012 | return form; |
---|
| 4013 | }, |
---|
| 4014 | |
---|
| 4015 | request: function(form, options) { |
---|
| 4016 | form = $(form), options = Object.clone(options || { }); |
---|
| 4017 | |
---|
| 4018 | var params = options.parameters, action = form.readAttribute('action') || ''; |
---|
| 4019 | if (action.blank()) action = window.location.href; |
---|
| 4020 | options.parameters = form.serialize(true); |
---|
| 4021 | |
---|
| 4022 | if (params) { |
---|
| 4023 | if (Object.isString(params)) params = params.toQueryParams(); |
---|
| 4024 | Object.extend(options.parameters, params); |
---|
| 4025 | } |
---|
| 4026 | |
---|
| 4027 | if (form.hasAttribute('method') && !options.method) |
---|
| 4028 | options.method = form.method; |
---|
| 4029 | |
---|
| 4030 | return new Ajax.Request(action, options); |
---|
| 4031 | } |
---|
| 4032 | }; |
---|
| 4033 | |
---|
| 4034 | /*--------------------------------------------------------------------------*/ |
---|
| 4035 | |
---|
| 4036 | |
---|
| 4037 | Form.Element = { |
---|
| 4038 | focus: function(element) { |
---|
| 4039 | $(element).focus(); |
---|
| 4040 | return element; |
---|
| 4041 | }, |
---|
| 4042 | |
---|
| 4043 | select: function(element) { |
---|
| 4044 | $(element).select(); |
---|
| 4045 | return element; |
---|
| 4046 | } |
---|
| 4047 | }; |
---|
| 4048 | |
---|
| 4049 | Form.Element.Methods = { |
---|
| 4050 | |
---|
| 4051 | serialize: function(element) { |
---|
| 4052 | element = $(element); |
---|
| 4053 | if (!element.disabled && element.name) { |
---|
| 4054 | var value = element.getValue(); |
---|
| 4055 | if (value != undefined) { |
---|
| 4056 | var pair = { }; |
---|
| 4057 | pair[element.name] = value; |
---|
| 4058 | return Object.toQueryString(pair); |
---|
| 4059 | } |
---|
| 4060 | } |
---|
| 4061 | return ''; |
---|
| 4062 | }, |
---|
| 4063 | |
---|
| 4064 | getValue: function(element) { |
---|
| 4065 | element = $(element); |
---|
| 4066 | var method = element.tagName.toLowerCase(); |
---|
| 4067 | return Form.Element.Serializers[method](element); |
---|
| 4068 | }, |
---|
| 4069 | |
---|
| 4070 | setValue: function(element, value) { |
---|
| 4071 | element = $(element); |
---|
| 4072 | var method = element.tagName.toLowerCase(); |
---|
| 4073 | Form.Element.Serializers[method](element, value); |
---|
| 4074 | return element; |
---|
| 4075 | }, |
---|
| 4076 | |
---|
| 4077 | clear: function(element) { |
---|
| 4078 | $(element).value = ''; |
---|
| 4079 | return element; |
---|
| 4080 | }, |
---|
| 4081 | |
---|
| 4082 | present: function(element) { |
---|
| 4083 | return $(element).value != ''; |
---|
| 4084 | }, |
---|
| 4085 | |
---|
| 4086 | activate: function(element) { |
---|
| 4087 | element = $(element); |
---|
| 4088 | try { |
---|
| 4089 | element.focus(); |
---|
| 4090 | if (element.select && (element.tagName.toLowerCase() != 'input' || |
---|
| 4091 | !(/^(?:button|reset|submit)$/i.test(element.type)))) |
---|
| 4092 | element.select(); |
---|
| 4093 | } catch (e) { } |
---|
| 4094 | return element; |
---|
| 4095 | }, |
---|
| 4096 | |
---|
| 4097 | disable: function(element) { |
---|
| 4098 | element = $(element); |
---|
| 4099 | element.disabled = true; |
---|
| 4100 | return element; |
---|
| 4101 | }, |
---|
| 4102 | |
---|
| 4103 | enable: function(element) { |
---|
| 4104 | element = $(element); |
---|
| 4105 | element.disabled = false; |
---|
| 4106 | return element; |
---|
| 4107 | } |
---|
| 4108 | }; |
---|
| 4109 | |
---|
| 4110 | /*--------------------------------------------------------------------------*/ |
---|
| 4111 | |
---|
| 4112 | var Field = Form.Element; |
---|
| 4113 | |
---|
| 4114 | var $F = Form.Element.Methods.getValue; |
---|
| 4115 | |
---|
| 4116 | /*--------------------------------------------------------------------------*/ |
---|
| 4117 | |
---|
| 4118 | Form.Element.Serializers = { |
---|
| 4119 | input: function(element, value) { |
---|
| 4120 | switch (element.type.toLowerCase()) { |
---|
| 4121 | case 'checkbox': |
---|
| 4122 | case 'radio': |
---|
| 4123 | return Form.Element.Serializers.inputSelector(element, value); |
---|
| 4124 | default: |
---|
| 4125 | return Form.Element.Serializers.textarea(element, value); |
---|
| 4126 | } |
---|
| 4127 | }, |
---|
| 4128 | |
---|
| 4129 | inputSelector: function(element, value) { |
---|
| 4130 | if (Object.isUndefined(value)) return element.checked ? element.value : null; |
---|
| 4131 | else element.checked = !!value; |
---|
| 4132 | }, |
---|
| 4133 | |
---|
| 4134 | textarea: function(element, value) { |
---|
| 4135 | if (Object.isUndefined(value)) return element.value; |
---|
| 4136 | else element.value = value; |
---|
| 4137 | }, |
---|
| 4138 | |
---|
| 4139 | select: function(element, value) { |
---|
| 4140 | if (Object.isUndefined(value)) |
---|
| 4141 | return this[element.type == 'select-one' ? |
---|
| 4142 | 'selectOne' : 'selectMany'](element); |
---|
| 4143 | else { |
---|
| 4144 | var opt, currentValue, single = !Object.isArray(value); |
---|
| 4145 | for (var i = 0, length = element.length; i < length; i++) { |
---|
| 4146 | opt = element.options[i]; |
---|
| 4147 | currentValue = this.optionValue(opt); |
---|
| 4148 | if (single) { |
---|
| 4149 | if (currentValue == value) { |
---|
| 4150 | opt.selected = true; |
---|
| 4151 | return; |
---|
| 4152 | } |
---|
| 4153 | } |
---|
| 4154 | else opt.selected = value.include(currentValue); |
---|
| 4155 | } |
---|
| 4156 | } |
---|
| 4157 | }, |
---|
| 4158 | |
---|
| 4159 | selectOne: function(element) { |
---|
| 4160 | var index = element.selectedIndex; |
---|
| 4161 | return index >= 0 ? this.optionValue(element.options[index]) : null; |
---|
| 4162 | }, |
---|
| 4163 | |
---|
| 4164 | selectMany: function(element) { |
---|
| 4165 | var values, length = element.length; |
---|
| 4166 | if (!length) return null; |
---|
| 4167 | |
---|
| 4168 | for (var i = 0, values = []; i < length; i++) { |
---|
| 4169 | var opt = element.options[i]; |
---|
| 4170 | if (opt.selected) values.push(this.optionValue(opt)); |
---|
| 4171 | } |
---|
| 4172 | return values; |
---|
| 4173 | }, |
---|
| 4174 | |
---|
| 4175 | optionValue: function(opt) { |
---|
| 4176 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
---|
| 4177 | } |
---|
| 4178 | }; |
---|
| 4179 | |
---|
| 4180 | /*--------------------------------------------------------------------------*/ |
---|
| 4181 | |
---|
| 4182 | |
---|
| 4183 | Abstract.TimedObserver = Class.create(PeriodicalExecuter, { |
---|
| 4184 | initialize: function($super, element, frequency, callback) { |
---|
| 4185 | $super(callback, frequency); |
---|
| 4186 | this.element = $(element); |
---|
| 4187 | this.lastValue = this.getValue(); |
---|
| 4188 | }, |
---|
| 4189 | |
---|
| 4190 | execute: function() { |
---|
| 4191 | var value = this.getValue(); |
---|
| 4192 | if (Object.isString(this.lastValue) && Object.isString(value) ? |
---|
| 4193 | this.lastValue != value : String(this.lastValue) != String(value)) { |
---|
| 4194 | this.callback(this.element, value); |
---|
| 4195 | this.lastValue = value; |
---|
| 4196 | } |
---|
| 4197 | } |
---|
| 4198 | }); |
---|
| 4199 | |
---|
| 4200 | Form.Element.Observer = Class.create(Abstract.TimedObserver, { |
---|
| 4201 | getValue: function() { |
---|
| 4202 | return Form.Element.getValue(this.element); |
---|
| 4203 | } |
---|
| 4204 | }); |
---|
| 4205 | |
---|
| 4206 | Form.Observer = Class.create(Abstract.TimedObserver, { |
---|
| 4207 | getValue: function() { |
---|
| 4208 | return Form.serialize(this.element); |
---|
| 4209 | } |
---|
| 4210 | }); |
---|
| 4211 | |
---|
| 4212 | /*--------------------------------------------------------------------------*/ |
---|
| 4213 | |
---|
| 4214 | Abstract.EventObserver = Class.create({ |
---|
| 4215 | initialize: function(element, callback) { |
---|
| 4216 | this.element = $(element); |
---|
| 4217 | this.callback = callback; |
---|
| 4218 | |
---|
| 4219 | this.lastValue = this.getValue(); |
---|
| 4220 | if (this.element.tagName.toLowerCase() == 'form') |
---|
| 4221 | this.registerFormCallbacks(); |
---|
| 4222 | else |
---|
| 4223 | this.registerCallback(this.element); |
---|
| 4224 | }, |
---|
| 4225 | |
---|
| 4226 | onElementEvent: function() { |
---|
| 4227 | var value = this.getValue(); |
---|
| 4228 | if (this.lastValue != value) { |
---|
| 4229 | this.callback(this.element, value); |
---|
| 4230 | this.lastValue = value; |
---|
| 4231 | } |
---|
| 4232 | }, |
---|
| 4233 | |
---|
| 4234 | registerFormCallbacks: function() { |
---|
| 4235 | Form.getElements(this.element).each(this.registerCallback, this); |
---|
| 4236 | }, |
---|
| 4237 | |
---|
| 4238 | registerCallback: function(element) { |
---|
| 4239 | if (element.type) { |
---|
| 4240 | switch (element.type.toLowerCase()) { |
---|
| 4241 | case 'checkbox': |
---|
| 4242 | case 'radio': |
---|
| 4243 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
---|
| 4244 | break; |
---|
| 4245 | default: |
---|
| 4246 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
---|
| 4247 | break; |
---|
| 4248 | } |
---|
| 4249 | } |
---|
| 4250 | } |
---|
| 4251 | }); |
---|
| 4252 | |
---|
| 4253 | Form.Element.EventObserver = Class.create(Abstract.EventObserver, { |
---|
| 4254 | getValue: function() { |
---|
| 4255 | return Form.Element.getValue(this.element); |
---|
| 4256 | } |
---|
| 4257 | }); |
---|
| 4258 | |
---|
| 4259 | Form.EventObserver = Class.create(Abstract.EventObserver, { |
---|
| 4260 | getValue: function() { |
---|
| 4261 | return Form.serialize(this.element); |
---|
| 4262 | } |
---|
| 4263 | }); |
---|
| 4264 | (function() { |
---|
| 4265 | |
---|
| 4266 | var Event = { |
---|
| 4267 | KEY_BACKSPACE: 8, |
---|
| 4268 | KEY_TAB: 9, |
---|
| 4269 | KEY_RETURN: 13, |
---|
| 4270 | KEY_ESC: 27, |
---|
| 4271 | KEY_LEFT: 37, |
---|
| 4272 | KEY_UP: 38, |
---|
| 4273 | KEY_RIGHT: 39, |
---|
| 4274 | KEY_DOWN: 40, |
---|
| 4275 | KEY_DELETE: 46, |
---|
| 4276 | KEY_HOME: 36, |
---|
| 4277 | KEY_END: 35, |
---|
| 4278 | KEY_PAGEUP: 33, |
---|
| 4279 | KEY_PAGEDOWN: 34, |
---|
| 4280 | KEY_INSERT: 45, |
---|
| 4281 | |
---|
| 4282 | cache: {} |
---|
| 4283 | }; |
---|
| 4284 | |
---|
| 4285 | var docEl = document.documentElement; |
---|
| 4286 | var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl |
---|
| 4287 | && 'onmouseleave' in docEl; |
---|
| 4288 | |
---|
| 4289 | var _isButton; |
---|
| 4290 | if (Prototype.Browser.IE) { |
---|
| 4291 | var buttonMap = { 0: 1, 1: 4, 2: 2 }; |
---|
| 4292 | _isButton = function(event, code) { |
---|
| 4293 | return event.button === buttonMap[code]; |
---|
| 4294 | }; |
---|
| 4295 | } else if (Prototype.Browser.WebKit) { |
---|
| 4296 | _isButton = function(event, code) { |
---|
| 4297 | switch (code) { |
---|
| 4298 | case 0: return event.which == 1 && !event.metaKey; |
---|
| 4299 | case 1: return event.which == 1 && event.metaKey; |
---|
| 4300 | default: return false; |
---|
| 4301 | } |
---|
| 4302 | }; |
---|
| 4303 | } else { |
---|
| 4304 | _isButton = function(event, code) { |
---|
| 4305 | return event.which ? (event.which === code + 1) : (event.button === code); |
---|
| 4306 | }; |
---|
| 4307 | } |
---|
| 4308 | |
---|
| 4309 | function isLeftClick(event) { return _isButton(event, 0) } |
---|
| 4310 | |
---|
| 4311 | function isMiddleClick(event) { return _isButton(event, 1) } |
---|
| 4312 | |
---|
| 4313 | function isRightClick(event) { return _isButton(event, 2) } |
---|
| 4314 | |
---|
| 4315 | function element(event) { |
---|
| 4316 | event = Event.extend(event); |
---|
| 4317 | |
---|
| 4318 | var node = event.target, type = event.type, |
---|
| 4319 | currentTarget = event.currentTarget; |
---|
| 4320 | |
---|
| 4321 | if (currentTarget && currentTarget.tagName) { |
---|
| 4322 | if (type === 'load' || type === 'error' || |
---|
| 4323 | (type === 'click' && currentTarget.tagName.toLowerCase() === 'input' |
---|
| 4324 | && currentTarget.type === 'radio')) |
---|
| 4325 | node = currentTarget; |
---|
| 4326 | } |
---|
| 4327 | |
---|
| 4328 | if (node.nodeType == Node.TEXT_NODE) |
---|
| 4329 | node = node.parentNode; |
---|
| 4330 | |
---|
| 4331 | return Element.extend(node); |
---|
| 4332 | } |
---|
| 4333 | |
---|
| 4334 | function findElement(event, expression) { |
---|
| 4335 | var element = Event.element(event); |
---|
| 4336 | if (!expression) return element; |
---|
| 4337 | var elements = [element].concat(element.ancestors()); |
---|
| 4338 | return Selector.findElement(elements, expression, 0); |
---|
| 4339 | } |
---|
| 4340 | |
---|
| 4341 | function pointer(event) { |
---|
| 4342 | return { x: pointerX(event), y: pointerY(event) }; |
---|
| 4343 | } |
---|
| 4344 | |
---|
| 4345 | function pointerX(event) { |
---|
| 4346 | var docElement = document.documentElement, |
---|
| 4347 | body = document.body || { scrollLeft: 0 }; |
---|
| 4348 | |
---|
| 4349 | return event.pageX || (event.clientX + |
---|
| 4350 | (docElement.scrollLeft || body.scrollLeft) - |
---|
| 4351 | (docElement.clientLeft || 0)); |
---|
| 4352 | } |
---|
| 4353 | |
---|
| 4354 | function pointerY(event) { |
---|
| 4355 | var docElement = document.documentElement, |
---|
| 4356 | body = document.body || { scrollTop: 0 }; |
---|
| 4357 | |
---|
| 4358 | return event.pageY || (event.clientY + |
---|
| 4359 | (docElement.scrollTop || body.scrollTop) - |
---|
| 4360 | (docElement.clientTop || 0)); |
---|
| 4361 | } |
---|
| 4362 | |
---|
| 4363 | |
---|
| 4364 | function stop(event) { |
---|
| 4365 | Event.extend(event); |
---|
| 4366 | event.preventDefault(); |
---|
| 4367 | event.stopPropagation(); |
---|
| 4368 | |
---|
| 4369 | event.stopped = true; |
---|
| 4370 | } |
---|
| 4371 | |
---|
| 4372 | Event.Methods = { |
---|
| 4373 | isLeftClick: isLeftClick, |
---|
| 4374 | isMiddleClick: isMiddleClick, |
---|
| 4375 | isRightClick: isRightClick, |
---|
| 4376 | |
---|
| 4377 | element: element, |
---|
| 4378 | findElement: findElement, |
---|
| 4379 | |
---|
| 4380 | pointer: pointer, |
---|
| 4381 | pointerX: pointerX, |
---|
| 4382 | pointerY: pointerY, |
---|
| 4383 | |
---|
| 4384 | stop: stop |
---|
| 4385 | }; |
---|
| 4386 | |
---|
| 4387 | |
---|
| 4388 | var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { |
---|
| 4389 | m[name] = Event.Methods[name].methodize(); |
---|
| 4390 | return m; |
---|
| 4391 | }); |
---|
| 4392 | |
---|
| 4393 | if (Prototype.Browser.IE) { |
---|
| 4394 | function _relatedTarget(event) { |
---|
| 4395 | var element; |
---|
| 4396 | switch (event.type) { |
---|
| 4397 | case 'mouseover': element = event.fromElement; break; |
---|
| 4398 | case 'mouseout': element = event.toElement; break; |
---|
| 4399 | default: return null; |
---|
| 4400 | } |
---|
| 4401 | return Element.extend(element); |
---|
| 4402 | } |
---|
| 4403 | |
---|
| 4404 | Object.extend(methods, { |
---|
| 4405 | stopPropagation: function() { this.cancelBubble = true }, |
---|
| 4406 | preventDefault: function() { this.returnValue = false }, |
---|
| 4407 | inspect: function() { return '[object Event]' } |
---|
| 4408 | }); |
---|
| 4409 | |
---|
| 4410 | Event.extend = function(event, element) { |
---|
| 4411 | if (!event) return false; |
---|
| 4412 | if (event._extendedByPrototype) return event; |
---|
| 4413 | |
---|
| 4414 | event._extendedByPrototype = Prototype.emptyFunction; |
---|
| 4415 | var pointer = Event.pointer(event); |
---|
| 4416 | |
---|
| 4417 | Object.extend(event, { |
---|
| 4418 | target: event.srcElement || element, |
---|
| 4419 | relatedTarget: _relatedTarget(event), |
---|
| 4420 | pageX: pointer.x, |
---|
| 4421 | pageY: pointer.y |
---|
| 4422 | }); |
---|
| 4423 | |
---|
| 4424 | return Object.extend(event, methods); |
---|
| 4425 | }; |
---|
| 4426 | } else { |
---|
| 4427 | Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__; |
---|
| 4428 | Object.extend(Event.prototype, methods); |
---|
| 4429 | Event.extend = Prototype.K; |
---|
| 4430 | } |
---|
| 4431 | |
---|
| 4432 | function _createResponder(element, eventName, handler) { |
---|
| 4433 | var registry = Element.retrieve(element, 'prototype_event_registry'); |
---|
| 4434 | |
---|
| 4435 | if (Object.isUndefined(registry)) { |
---|
| 4436 | CACHE.push(element); |
---|
| 4437 | registry = Element.retrieve(element, 'prototype_event_registry', $H()); |
---|
| 4438 | } |
---|
| 4439 | |
---|
| 4440 | var respondersForEvent = registry.get(eventName); |
---|
| 4441 | if (Object.isUndefined(respondersForEvent)) { |
---|
| 4442 | respondersForEvent = []; |
---|
| 4443 | registry.set(eventName, respondersForEvent); |
---|
| 4444 | } |
---|
| 4445 | |
---|
| 4446 | if (respondersForEvent.pluck('handler').include(handler)) return false; |
---|
| 4447 | |
---|
| 4448 | var responder; |
---|
| 4449 | if (eventName.include(":")) { |
---|
| 4450 | responder = function(event) { |
---|
| 4451 | if (Object.isUndefined(event.eventName)) |
---|
| 4452 | return false; |
---|
| 4453 | |
---|
| 4454 | if (event.eventName !== eventName) |
---|
| 4455 | return false; |
---|
| 4456 | |
---|
| 4457 | Event.extend(event, element); |
---|
| 4458 | handler.call(element, event); |
---|
| 4459 | }; |
---|
| 4460 | } else { |
---|
| 4461 | if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED && |
---|
| 4462 | (eventName === "mouseenter" || eventName === "mouseleave")) { |
---|
| 4463 | if (eventName === "mouseenter" || eventName === "mouseleave") { |
---|
| 4464 | responder = function(event) { |
---|
| 4465 | Event.extend(event, element); |
---|
| 4466 | |
---|
| 4467 | var parent = event.relatedTarget; |
---|
| 4468 | while (parent && parent !== element) { |
---|
| 4469 | try { parent = parent.parentNode; } |
---|
| 4470 | catch(e) { parent = element; } |
---|
| 4471 | } |
---|
| 4472 | |
---|
| 4473 | if (parent === element) return; |
---|
| 4474 | |
---|
| 4475 | handler.call(element, event); |
---|
| 4476 | }; |
---|
| 4477 | } |
---|
| 4478 | } else { |
---|
| 4479 | responder = function(event) { |
---|
| 4480 | Event.extend(event, element); |
---|
| 4481 | handler.call(element, event); |
---|
| 4482 | }; |
---|
| 4483 | } |
---|
| 4484 | } |
---|
| 4485 | |
---|
| 4486 | responder.handler = handler; |
---|
| 4487 | respondersForEvent.push(responder); |
---|
| 4488 | return responder; |
---|
| 4489 | } |
---|
| 4490 | |
---|
| 4491 | function _destroyCache() { |
---|
| 4492 | for (var i = 0, length = CACHE.length; i < length; i++) { |
---|
| 4493 | Event.stopObserving(CACHE[i]); |
---|
| 4494 | CACHE[i] = null; |
---|
| 4495 | } |
---|
| 4496 | } |
---|
| 4497 | |
---|
| 4498 | var CACHE = []; |
---|
| 4499 | |
---|
| 4500 | if (Prototype.Browser.IE) |
---|
| 4501 | window.attachEvent('onunload', _destroyCache); |
---|
| 4502 | |
---|
| 4503 | if (Prototype.Browser.WebKit) |
---|
| 4504 | window.addEventListener('unload', Prototype.emptyFunction, false); |
---|
| 4505 | |
---|
| 4506 | |
---|
| 4507 | var _getDOMEventName = Prototype.K; |
---|
| 4508 | |
---|
| 4509 | if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) { |
---|
| 4510 | _getDOMEventName = function(eventName) { |
---|
| 4511 | var translations = { mouseenter: "mouseover", mouseleave: "mouseout" }; |
---|
| 4512 | return eventName in translations ? translations[eventName] : eventName; |
---|
| 4513 | }; |
---|
| 4514 | } |
---|
| 4515 | |
---|
| 4516 | function observe(element, eventName, handler) { |
---|
| 4517 | element = $(element); |
---|
| 4518 | |
---|
| 4519 | var responder = _createResponder(element, eventName, handler); |
---|
| 4520 | |
---|
| 4521 | if (!responder) return element; |
---|
| 4522 | |
---|
| 4523 | if (eventName.include(':')) { |
---|
| 4524 | if (element.addEventListener) |
---|
| 4525 | element.addEventListener("dataavailable", responder, false); |
---|
| 4526 | else { |
---|
| 4527 | element.attachEvent("ondataavailable", responder); |
---|
| 4528 | element.attachEvent("onfilterchange", responder); |
---|
| 4529 | } |
---|
| 4530 | } else { |
---|
| 4531 | var actualEventName = _getDOMEventName(eventName); |
---|
| 4532 | |
---|
| 4533 | if (element.addEventListener) |
---|
| 4534 | element.addEventListener(actualEventName, responder, false); |
---|
| 4535 | else |
---|
| 4536 | element.attachEvent("on" + actualEventName, responder); |
---|
| 4537 | } |
---|
| 4538 | |
---|
| 4539 | return element; |
---|
| 4540 | } |
---|
| 4541 | |
---|
| 4542 | function stopObserving(element, eventName, handler) { |
---|
| 4543 | element = $(element); |
---|
| 4544 | |
---|
| 4545 | var registry = Element.retrieve(element, 'prototype_event_registry'); |
---|
| 4546 | |
---|
| 4547 | if (Object.isUndefined(registry)) return element; |
---|
| 4548 | |
---|
| 4549 | if (eventName && !handler) { |
---|
| 4550 | var responders = registry.get(eventName); |
---|
| 4551 | |
---|
| 4552 | if (Object.isUndefined(responders)) return element; |
---|
| 4553 | |
---|
| 4554 | responders.each( function(r) { |
---|
| 4555 | Element.stopObserving(element, eventName, r.handler); |
---|
| 4556 | }); |
---|
| 4557 | return element; |
---|
| 4558 | } else if (!eventName) { |
---|
| 4559 | registry.each( function(pair) { |
---|
| 4560 | var eventName = pair.key, responders = pair.value; |
---|
| 4561 | |
---|
| 4562 | responders.each( function(r) { |
---|
| 4563 | Element.stopObserving(element, eventName, r.handler); |
---|
| 4564 | }); |
---|
| 4565 | }); |
---|
| 4566 | return element; |
---|
| 4567 | } |
---|
| 4568 | |
---|
| 4569 | var responders = registry.get(eventName); |
---|
| 4570 | |
---|
| 4571 | if (!responders) return; |
---|
| 4572 | |
---|
| 4573 | var responder = responders.find( function(r) { return r.handler === handler; }); |
---|
| 4574 | if (!responder) return element; |
---|
| 4575 | |
---|
| 4576 | var actualEventName = _getDOMEventName(eventName); |
---|
| 4577 | |
---|
| 4578 | if (eventName.include(':')) { |
---|
| 4579 | if (element.removeEventListener) |
---|
| 4580 | element.removeEventListener("dataavailable", responder, false); |
---|
| 4581 | else { |
---|
| 4582 | element.detachEvent("ondataavailable", responder); |
---|
| 4583 | element.detachEvent("onfilterchange", responder); |
---|
| 4584 | } |
---|
| 4585 | } else { |
---|
| 4586 | if (element.removeEventListener) |
---|
| 4587 | element.removeEventListener(actualEventName, responder, false); |
---|
| 4588 | else |
---|
| 4589 | element.detachEvent('on' + actualEventName, responder); |
---|
| 4590 | } |
---|
| 4591 | |
---|
| 4592 | registry.set(eventName, responders.without(responder)); |
---|
| 4593 | |
---|
| 4594 | return element; |
---|
| 4595 | } |
---|
| 4596 | |
---|
| 4597 | function fire(element, eventName, memo, bubble) { |
---|
| 4598 | element = $(element); |
---|
| 4599 | |
---|
| 4600 | if (Object.isUndefined(bubble)) |
---|
| 4601 | bubble = true; |
---|
| 4602 | |
---|
| 4603 | if (element == document && document.createEvent && !element.dispatchEvent) |
---|
| 4604 | element = document.documentElement; |
---|
| 4605 | |
---|
| 4606 | var event; |
---|
| 4607 | if (document.createEvent) { |
---|
| 4608 | event = document.createEvent('HTMLEvents'); |
---|
| 4609 | event.initEvent('dataavailable', true, true); |
---|
| 4610 | } else { |
---|
| 4611 | event = document.createEventObject(); |
---|
| 4612 | event.eventType = bubble ? 'ondataavailable' : 'onfilterchange'; |
---|
| 4613 | } |
---|
| 4614 | |
---|
| 4615 | event.eventName = eventName; |
---|
| 4616 | event.memo = memo || { }; |
---|
| 4617 | |
---|
| 4618 | if (document.createEvent) |
---|
| 4619 | element.dispatchEvent(event); |
---|
| 4620 | else |
---|
| 4621 | element.fireEvent(event.eventType, event); |
---|
| 4622 | |
---|
| 4623 | return Event.extend(event); |
---|
| 4624 | } |
---|
| 4625 | |
---|
| 4626 | |
---|
| 4627 | Object.extend(Event, Event.Methods); |
---|
| 4628 | |
---|
| 4629 | Object.extend(Event, { |
---|
| 4630 | fire: fire, |
---|
| 4631 | observe: observe, |
---|
| 4632 | stopObserving: stopObserving |
---|
| 4633 | }); |
---|
| 4634 | |
---|
| 4635 | Element.addMethods({ |
---|
| 4636 | fire: fire, |
---|
| 4637 | |
---|
| 4638 | observe: observe, |
---|
| 4639 | |
---|
| 4640 | stopObserving: stopObserving |
---|
| 4641 | }); |
---|
| 4642 | |
---|
| 4643 | Object.extend(document, { |
---|
| 4644 | fire: fire.methodize(), |
---|
| 4645 | |
---|
| 4646 | observe: observe.methodize(), |
---|
| 4647 | |
---|
| 4648 | stopObserving: stopObserving.methodize(), |
---|
| 4649 | |
---|
| 4650 | loaded: false |
---|
| 4651 | }); |
---|
| 4652 | |
---|
| 4653 | if (window.Event) Object.extend(window.Event, Event); |
---|
| 4654 | else window.Event = Event; |
---|
| 4655 | })(); |
---|
| 4656 | |
---|
| 4657 | (function() { |
---|
| 4658 | /* Support for the DOMContentLoaded event is based on work by Dan Webb, |
---|
| 4659 | Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */ |
---|
| 4660 | |
---|
| 4661 | var timer; |
---|
| 4662 | |
---|
| 4663 | function fireContentLoadedEvent() { |
---|
| 4664 | if (document.loaded) return; |
---|
| 4665 | if (timer) window.clearTimeout(timer); |
---|
| 4666 | document.loaded = true; |
---|
| 4667 | document.fire('dom:loaded'); |
---|
| 4668 | } |
---|
| 4669 | |
---|
| 4670 | function checkReadyState() { |
---|
| 4671 | if (document.readyState === 'complete') { |
---|
| 4672 | document.stopObserving('readystatechange', checkReadyState); |
---|
| 4673 | fireContentLoadedEvent(); |
---|
| 4674 | } |
---|
| 4675 | } |
---|
| 4676 | |
---|
| 4677 | function pollDoScroll() { |
---|
| 4678 | try { document.documentElement.doScroll('left'); } |
---|
| 4679 | catch(e) { |
---|
| 4680 | timer = pollDoScroll.defer(); |
---|
| 4681 | return; |
---|
| 4682 | } |
---|
| 4683 | fireContentLoadedEvent(); |
---|
| 4684 | } |
---|
| 4685 | |
---|
| 4686 | if (document.addEventListener) { |
---|
| 4687 | document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false); |
---|
| 4688 | } else { |
---|
| 4689 | document.observe('readystatechange', checkReadyState); |
---|
| 4690 | if (window == top) |
---|
| 4691 | timer = pollDoScroll.defer(); |
---|
| 4692 | } |
---|
| 4693 | |
---|
| 4694 | Event.observe(window, 'load', fireContentLoadedEvent); |
---|
| 4695 | })(); |
---|
| 4696 | |
---|
| 4697 | Element.addMethods(); |
---|
| 4698 | |
---|
| 4699 | /*------------------------------- DEPRECATED -------------------------------*/ |
---|
| 4700 | |
---|
| 4701 | Hash.toQueryString = Object.toQueryString; |
---|
| 4702 | |
---|
| 4703 | var Toggle = { display: Element.toggle }; |
---|
| 4704 | |
---|
| 4705 | Element.Methods.childOf = Element.Methods.descendantOf; |
---|
| 4706 | |
---|
| 4707 | var Insertion = { |
---|
| 4708 | Before: function(element, content) { |
---|
| 4709 | return Element.insert(element, {before:content}); |
---|
| 4710 | }, |
---|
| 4711 | |
---|
| 4712 | Top: function(element, content) { |
---|
| 4713 | return Element.insert(element, {top:content}); |
---|
| 4714 | }, |
---|
| 4715 | |
---|
| 4716 | Bottom: function(element, content) { |
---|
| 4717 | return Element.insert(element, {bottom:content}); |
---|
| 4718 | }, |
---|
| 4719 | |
---|
| 4720 | After: function(element, content) { |
---|
| 4721 | return Element.insert(element, {after:content}); |
---|
| 4722 | } |
---|
| 4723 | }; |
---|
| 4724 | |
---|
| 4725 | var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
---|
| 4726 | |
---|
| 4727 | var Position = { |
---|
| 4728 | includeScrollOffsets: false, |
---|
| 4729 | |
---|
| 4730 | prepare: function() { |
---|
| 4731 | this.deltaX = window.pageXOffset |
---|
| 4732 | || document.documentElement.scrollLeft |
---|
| 4733 | || document.body.scrollLeft |
---|
| 4734 | || 0; |
---|
| 4735 | this.deltaY = window.pageYOffset |
---|
| 4736 | || document.documentElement.scrollTop |
---|
| 4737 | || document.body.scrollTop |
---|
| 4738 | || 0; |
---|
| 4739 | }, |
---|
| 4740 | |
---|
| 4741 | within: function(element, x, y) { |
---|
| 4742 | if (this.includeScrollOffsets) |
---|
| 4743 | return this.withinIncludingScrolloffsets(element, x, y); |
---|
| 4744 | this.xcomp = x; |
---|
| 4745 | this.ycomp = y; |
---|
| 4746 | this.offset = Element.cumulativeOffset(element); |
---|
| 4747 | |
---|
| 4748 | return (y >= this.offset[1] && |
---|
| 4749 | y < this.offset[1] + element.offsetHeight && |
---|
| 4750 | x >= this.offset[0] && |
---|
| 4751 | x < this.offset[0] + element.offsetWidth); |
---|
| 4752 | }, |
---|
| 4753 | |
---|
| 4754 | withinIncludingScrolloffsets: function(element, x, y) { |
---|
| 4755 | var offsetcache = Element.cumulativeScrollOffset(element); |
---|
| 4756 | |
---|
| 4757 | this.xcomp = x + offsetcache[0] - this.deltaX; |
---|
| 4758 | this.ycomp = y + offsetcache[1] - this.deltaY; |
---|
| 4759 | this.offset = Element.cumulativeOffset(element); |
---|
| 4760 | |
---|
| 4761 | return (this.ycomp >= this.offset[1] && |
---|
| 4762 | this.ycomp < this.offset[1] + element.offsetHeight && |
---|
| 4763 | this.xcomp >= this.offset[0] && |
---|
| 4764 | this.xcomp < this.offset[0] + element.offsetWidth); |
---|
| 4765 | }, |
---|
| 4766 | |
---|
| 4767 | overlap: function(mode, element) { |
---|
| 4768 | if (!mode) return 0; |
---|
| 4769 | if (mode == 'vertical') |
---|
| 4770 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
---|
| 4771 | element.offsetHeight; |
---|
| 4772 | if (mode == 'horizontal') |
---|
| 4773 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
---|
| 4774 | element.offsetWidth; |
---|
| 4775 | }, |
---|
| 4776 | |
---|
| 4777 | |
---|
| 4778 | cumulativeOffset: Element.Methods.cumulativeOffset, |
---|
| 4779 | |
---|
| 4780 | positionedOffset: Element.Methods.positionedOffset, |
---|
| 4781 | |
---|
| 4782 | absolutize: function(element) { |
---|
| 4783 | Position.prepare(); |
---|
| 4784 | return Element.absolutize(element); |
---|
| 4785 | }, |
---|
| 4786 | |
---|
| 4787 | relativize: function(element) { |
---|
| 4788 | Position.prepare(); |
---|
| 4789 | return Element.relativize(element); |
---|
| 4790 | }, |
---|
| 4791 | |
---|
| 4792 | realOffset: Element.Methods.cumulativeScrollOffset, |
---|
| 4793 | |
---|
| 4794 | offsetParent: Element.Methods.getOffsetParent, |
---|
| 4795 | |
---|
| 4796 | page: Element.Methods.viewportOffset, |
---|
| 4797 | |
---|
| 4798 | clone: function(source, target, options) { |
---|
| 4799 | options = options || { }; |
---|
| 4800 | return Element.clonePosition(target, source, options); |
---|
| 4801 | } |
---|
| 4802 | }; |
---|
| 4803 | |
---|
| 4804 | /*--------------------------------------------------------------------------*/ |
---|
| 4805 | |
---|
| 4806 | if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ |
---|
| 4807 | function iter(name) { |
---|
| 4808 | return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; |
---|
| 4809 | } |
---|
| 4810 | |
---|
| 4811 | instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? |
---|
| 4812 | function(element, className) { |
---|
| 4813 | className = className.toString().strip(); |
---|
| 4814 | var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); |
---|
| 4815 | return cond ? document._getElementsByXPath('.//*' + cond, element) : []; |
---|
| 4816 | } : function(element, className) { |
---|
| 4817 | className = className.toString().strip(); |
---|
| 4818 | var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); |
---|
| 4819 | if (!classNames && !className) return elements; |
---|
| 4820 | |
---|
| 4821 | var nodes = $(element).getElementsByTagName('*'); |
---|
| 4822 | className = ' ' + className + ' '; |
---|
| 4823 | |
---|
| 4824 | for (var i = 0, child, cn; child = nodes[i]; i++) { |
---|
| 4825 | if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || |
---|
| 4826 | (classNames && classNames.all(function(name) { |
---|
| 4827 | return !name.toString().blank() && cn.include(' ' + name + ' '); |
---|
| 4828 | })))) |
---|
| 4829 | elements.push(Element.extend(child)); |
---|
| 4830 | } |
---|
| 4831 | return elements; |
---|
| 4832 | }; |
---|
| 4833 | |
---|
| 4834 | return function(className, parentElement) { |
---|
| 4835 | return $(parentElement || document.body).getElementsByClassName(className); |
---|
| 4836 | }; |
---|
| 4837 | }(Element.Methods); |
---|
| 4838 | |
---|
| 4839 | /*--------------------------------------------------------------------------*/ |
---|
| 4840 | |
---|
| 4841 | Element.ClassNames = Class.create(); |
---|
| 4842 | Element.ClassNames.prototype = { |
---|
| 4843 | initialize: function(element) { |
---|
| 4844 | this.element = $(element); |
---|
| 4845 | }, |
---|
| 4846 | |
---|
| 4847 | _each: function(iterator) { |
---|
| 4848 | this.element.className.split(/\s+/).select(function(name) { |
---|
| 4849 | return name.length > 0; |
---|
| 4850 | })._each(iterator); |
---|
| 4851 | }, |
---|
| 4852 | |
---|
| 4853 | set: function(className) { |
---|
| 4854 | this.element.className = className; |
---|
| 4855 | }, |
---|
| 4856 | |
---|
| 4857 | add: function(classNameToAdd) { |
---|
| 4858 | if (this.include(classNameToAdd)) return; |
---|
| 4859 | this.set($A(this).concat(classNameToAdd).join(' ')); |
---|
| 4860 | }, |
---|
| 4861 | |
---|
| 4862 | remove: function(classNameToRemove) { |
---|
| 4863 | if (!this.include(classNameToRemove)) return; |
---|
| 4864 | this.set($A(this).without(classNameToRemove).join(' ')); |
---|
| 4865 | }, |
---|
| 4866 | |
---|
| 4867 | toString: function() { |
---|
| 4868 | return $A(this).join(' '); |
---|
| 4869 | } |
---|
| 4870 | }; |
---|
| 4871 | |
---|
| 4872 | Object.extend(Element.ClassNames.prototype, Enumerable); |
---|
| 4873 | |
---|
| 4874 | /*--------------------------------------------------------------------------*/ |
---|