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) { |
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537 | return count < 1 ? '' : new Array(count + 1).join(this); |
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538 | } |
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539 | |
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540 | function camelize() { |
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541 | var parts = this.split('-'), len = parts.length; |
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542 | if (len == 1) return parts[0]; |
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543 | |
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544 | var camelized = this.charAt(0) == '-' |
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545 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
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546 | : parts[0]; |
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547 | |
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548 | for (var i = 1; i < len; i++) |
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549 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
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550 | |
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551 | return camelized; |
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552 | } |
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553 | |
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554 | function capitalize() { |
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555 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
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556 | } |
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557 | |
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558 | function underscore() { |
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559 | return this.replace(/::/g, '/') |
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560 | .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2') |
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561 | .replace(/([a-z\d])([A-Z])/g, '$1_$2') |
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562 | .replace(/-/g, '_') |
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563 | .toLowerCase(); |
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564 | } |
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565 | |
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566 | function dasherize() { |
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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 | /*--------------------------------------------------------------------------*/ |
---|