1 | /* Prototype JavaScript framework, version 1.5.0_rc0 |
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2 | * (c) 2005 Sam Stephenson <sam@conio.net> |
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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://prototype.conio.net/ |
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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: '1.5.0_rc0', |
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11 | ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', |
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12 | |
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13 | emptyFunction: function() {}, |
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14 | K: function(x) {return x} |
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15 | } |
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16 | |
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17 | var Class = { |
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18 | create: function() { |
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19 | return function() { |
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20 | this.initialize.apply(this, arguments); |
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21 | } |
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22 | } |
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23 | } |
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24 | |
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25 | var Abstract = new Object(); |
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26 | |
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27 | Object.extend = function(destination, source) { |
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28 | for (var property in source) { |
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29 | destination[property] = source[property]; |
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30 | } |
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31 | return destination; |
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32 | } |
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33 | |
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34 | Object.inspect = function(object) { |
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35 | try { |
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36 | if (object == undefined) return 'undefined'; |
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37 | if (object == null) return 'null'; |
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38 | return object.inspect ? object.inspect() : object.toString(); |
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39 | } catch (e) { |
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40 | if (e instanceof RangeError) return '...'; |
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41 | throw e; |
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42 | } |
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43 | } |
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44 | |
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45 | Function.prototype.bind = function() { |
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46 | var __method = this, args = $A(arguments), object = args.shift(); |
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47 | return function() { |
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48 | return __method.apply(object, args.concat($A(arguments))); |
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49 | } |
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50 | } |
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51 | |
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52 | Function.prototype.bindAsEventListener = function(object) { |
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53 | var __method = this; |
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54 | return function(event) { |
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55 | return __method.call(object, event || window.event); |
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56 | } |
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57 | } |
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58 | |
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59 | Object.extend(Number.prototype, { |
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60 | toColorPart: function() { |
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61 | var digits = this.toString(16); |
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62 | if (this < 16) return '0' + digits; |
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63 | return digits; |
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64 | }, |
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65 | |
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66 | succ: function() { |
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67 | return this + 1; |
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68 | }, |
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69 | |
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70 | times: function(iterator) { |
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71 | $R(0, this, true).each(iterator); |
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72 | return this; |
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73 | } |
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74 | }); |
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75 | |
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76 | var Try = { |
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77 | these: function() { |
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78 | var returnValue; |
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79 | |
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80 | for (var i = 0; i < arguments.length; i++) { |
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81 | var lambda = arguments[i]; |
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82 | try { |
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83 | returnValue = lambda(); |
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84 | break; |
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85 | } catch (e) {} |
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86 | } |
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87 | |
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88 | return returnValue; |
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89 | } |
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90 | } |
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91 | |
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92 | /*--------------------------------------------------------------------------*/ |
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93 | |
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94 | var PeriodicalExecuter = Class.create(); |
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95 | PeriodicalExecuter.prototype = { |
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96 | initialize: function(callback, frequency) { |
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97 | this.callback = callback; |
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98 | this.frequency = frequency; |
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99 | this.currentlyExecuting = false; |
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100 | |
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101 | this.registerCallback(); |
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102 | }, |
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103 | |
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104 | registerCallback: function() { |
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105 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
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106 | }, |
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107 | |
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108 | onTimerEvent: function() { |
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109 | if (!this.currentlyExecuting) { |
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110 | try { |
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111 | this.currentlyExecuting = true; |
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112 | this.callback(); |
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113 | } finally { |
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114 | this.currentlyExecuting = false; |
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115 | } |
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116 | } |
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117 | } |
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118 | } |
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119 | Object.extend(String.prototype, { |
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120 | gsub: function(pattern, replacement) { |
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121 | var result = '', source = this, match; |
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122 | replacement = arguments.callee.prepareReplacement(replacement); |
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123 | |
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124 | while (source.length > 0) { |
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125 | if (match = source.match(pattern)) { |
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126 | result += source.slice(0, match.index); |
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127 | result += (replacement(match) || '').toString(); |
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128 | source = source.slice(match.index + match[0].length); |
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129 | } else { |
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130 | result += source, source = ''; |
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131 | } |
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132 | } |
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133 | return result; |
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134 | }, |
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135 | |
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136 | sub: function(pattern, replacement, count) { |
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137 | replacement = this.gsub.prepareReplacement(replacement); |
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138 | count = count === undefined ? 1 : count; |
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139 | |
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140 | return this.gsub(pattern, function(match) { |
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141 | if (--count < 0) return match[0]; |
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142 | return replacement(match); |
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143 | }); |
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144 | }, |
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145 | |
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146 | scan: function(pattern, iterator) { |
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147 | this.gsub(pattern, iterator); |
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148 | return this; |
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149 | }, |
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150 | |
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151 | truncate: function(length, truncation) { |
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152 | length = length || 30; |
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153 | truncation = truncation === undefined ? '...' : truncation; |
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154 | return this.length > length ? |
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155 | this.slice(0, length - truncation.length) + truncation : this; |
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156 | }, |
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157 | |
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158 | strip: function() { |
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159 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
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160 | }, |
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161 | |
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162 | stripTags: function() { |
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163 | return this.replace(/<\/?[^>]+>/gi, ''); |
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164 | }, |
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165 | |
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166 | stripScripts: function() { |
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167 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
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168 | }, |
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169 | |
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170 | extractScripts: function() { |
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171 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
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172 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
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173 | return (this.match(matchAll) || []).map(function(scriptTag) { |
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174 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
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175 | }); |
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176 | }, |
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177 | |
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178 | evalScripts: function() { |
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179 | return this.extractScripts().map(function(script) { return eval(script) }); |
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180 | }, |
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181 | |
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182 | escapeHTML: function() { |
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183 | var div = document.createElement('div'); |
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184 | var text = document.createTextNode(this); |
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185 | div.appendChild(text); |
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186 | return div.innerHTML; |
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187 | }, |
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188 | |
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189 | unescapeHTML: function() { |
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190 | var div = document.createElement('div'); |
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191 | div.innerHTML = this.stripTags(); |
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192 | return div.childNodes[0] ? div.childNodes[0].nodeValue : ''; |
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193 | }, |
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194 | |
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195 | toQueryParams: function() { |
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196 | var pairs = this.match(/^\??(.*)$/)[1].split('&'); |
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197 | return pairs.inject({}, function(params, pairString) { |
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198 | var pair = pairString.split('='); |
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199 | params[pair[0]] = pair[1]; |
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200 | return params; |
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201 | }); |
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202 | }, |
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203 | |
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204 | toArray: function() { |
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205 | return this.split(''); |
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206 | }, |
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207 | |
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208 | camelize: function() { |
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209 | var oStringList = this.split('-'); |
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210 | if (oStringList.length == 1) return oStringList[0]; |
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211 | |
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212 | var camelizedString = this.indexOf('-') == 0 |
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213 | ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) |
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214 | : oStringList[0]; |
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215 | |
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216 | for (var i = 1, len = oStringList.length; i < len; i++) { |
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217 | var s = oStringList[i]; |
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218 | camelizedString += s.charAt(0).toUpperCase() + s.substring(1); |
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219 | } |
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220 | |
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221 | return camelizedString; |
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222 | }, |
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223 | |
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224 | inspect: function() { |
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225 | return "'" + this.replace(/\\/g, '\\\\').replace(/'/g, '\\\'') + "'"; |
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226 | } |
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227 | }); |
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228 | |
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229 | String.prototype.gsub.prepareReplacement = function(replacement) { |
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230 | if (typeof replacement == 'function') return replacement; |
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231 | var template = new Template(replacement); |
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232 | return function(match) { return template.evaluate(match) }; |
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233 | } |
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234 | |
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235 | String.prototype.parseQuery = String.prototype.toQueryParams; |
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236 | |
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237 | var Template = Class.create(); |
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238 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
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239 | Template.prototype = { |
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240 | initialize: function(template, pattern) { |
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241 | this.template = template.toString(); |
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242 | this.pattern = pattern || Template.Pattern; |
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243 | }, |
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244 | |
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245 | evaluate: function(object) { |
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246 | return this.template.gsub(this.pattern, function(match) { |
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247 | var before = match[1]; |
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248 | if (before == '\\') return match[2]; |
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249 | return before + (object[match[3]] || '').toString(); |
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250 | }); |
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251 | } |
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252 | } |
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253 | |
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254 | var $break = new Object(); |
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255 | var $continue = new Object(); |
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256 | |
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257 | var Enumerable = { |
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258 | each: function(iterator) { |
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259 | var index = 0; |
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260 | try { |
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261 | this._each(function(value) { |
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262 | try { |
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263 | iterator(value, index++); |
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264 | } catch (e) { |
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265 | if (e != $continue) throw e; |
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266 | } |
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267 | }); |
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268 | } catch (e) { |
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269 | if (e != $break) throw e; |
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270 | } |
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271 | }, |
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272 | |
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273 | all: function(iterator) { |
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274 | var result = true; |
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275 | this.each(function(value, index) { |
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276 | result = result && !!(iterator || Prototype.K)(value, index); |
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277 | if (!result) throw $break; |
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278 | }); |
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279 | return result; |
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280 | }, |
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281 | |
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282 | any: function(iterator) { |
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283 | var result = true; |
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284 | this.each(function(value, index) { |
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285 | if (result = !!(iterator || Prototype.K)(value, index)) |
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286 | throw $break; |
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287 | }); |
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288 | return result; |
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289 | }, |
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290 | |
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291 | collect: function(iterator) { |
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292 | var results = []; |
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293 | this.each(function(value, index) { |
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294 | results.push(iterator(value, index)); |
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295 | }); |
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296 | return results; |
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297 | }, |
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298 | |
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299 | detect: function (iterator) { |
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300 | var result; |
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301 | this.each(function(value, index) { |
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302 | if (iterator(value, index)) { |
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303 | result = value; |
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304 | throw $break; |
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305 | } |
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306 | }); |
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307 | return result; |
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308 | }, |
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309 | |
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310 | findAll: function(iterator) { |
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311 | var results = []; |
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312 | this.each(function(value, index) { |
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313 | if (iterator(value, index)) |
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314 | results.push(value); |
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315 | }); |
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316 | return results; |
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317 | }, |
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318 | |
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319 | grep: function(pattern, iterator) { |
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320 | var results = []; |
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321 | this.each(function(value, index) { |
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322 | var stringValue = value.toString(); |
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323 | if (stringValue.match(pattern)) |
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324 | results.push((iterator || Prototype.K)(value, index)); |
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325 | }) |
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326 | return results; |
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327 | }, |
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328 | |
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329 | include: function(object) { |
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330 | var found = false; |
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331 | this.each(function(value) { |
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332 | if (value == object) { |
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333 | found = true; |
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334 | throw $break; |
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335 | } |
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336 | }); |
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337 | return found; |
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338 | }, |
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339 | |
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340 | inject: function(memo, iterator) { |
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341 | this.each(function(value, index) { |
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342 | memo = iterator(memo, value, index); |
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343 | }); |
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344 | return memo; |
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345 | }, |
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346 | |
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347 | invoke: function(method) { |
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348 | var args = $A(arguments).slice(1); |
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349 | return this.collect(function(value) { |
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350 | return value[method].apply(value, args); |
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351 | }); |
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352 | }, |
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353 | |
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354 | max: function(iterator) { |
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355 | var result; |
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356 | this.each(function(value, index) { |
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357 | value = (iterator || Prototype.K)(value, index); |
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358 | if (result == undefined || value >= result) |
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359 | result = value; |
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360 | }); |
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361 | return result; |
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362 | }, |
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363 | |
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364 | min: function(iterator) { |
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365 | var result; |
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366 | this.each(function(value, index) { |
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367 | value = (iterator || Prototype.K)(value, index); |
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368 | if (result == undefined || value < result) |
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369 | result = value; |
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370 | }); |
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371 | return result; |
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372 | }, |
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373 | |
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374 | partition: function(iterator) { |
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375 | var trues = [], falses = []; |
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376 | this.each(function(value, index) { |
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377 | ((iterator || Prototype.K)(value, index) ? |
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378 | trues : falses).push(value); |
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379 | }); |
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380 | return [trues, falses]; |
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381 | }, |
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382 | |
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383 | pluck: function(property) { |
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384 | var results = []; |
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385 | this.each(function(value, index) { |
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386 | results.push(value[property]); |
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387 | }); |
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388 | return results; |
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389 | }, |
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390 | |
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391 | reject: function(iterator) { |
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392 | var results = []; |
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393 | this.each(function(value, index) { |
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394 | if (!iterator(value, index)) |
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395 | results.push(value); |
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396 | }); |
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397 | return results; |
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398 | }, |
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399 | |
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400 | sortBy: function(iterator) { |
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401 | return this.collect(function(value, index) { |
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402 | return {value: value, criteria: iterator(value, index)}; |
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403 | }).sort(function(left, right) { |
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404 | var a = left.criteria, b = right.criteria; |
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405 | return a < b ? -1 : a > b ? 1 : 0; |
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406 | }).pluck('value'); |
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407 | }, |
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408 | |
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409 | toArray: function() { |
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410 | return this.collect(Prototype.K); |
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411 | }, |
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412 | |
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413 | zip: function() { |
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414 | var iterator = Prototype.K, args = $A(arguments); |
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415 | if (typeof args.last() == 'function') |
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416 | iterator = args.pop(); |
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417 | |
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418 | var collections = [this].concat(args).map($A); |
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419 | return this.map(function(value, index) { |
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420 | return iterator(collections.pluck(index)); |
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421 | }); |
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422 | }, |
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423 | |
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424 | inspect: function() { |
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425 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
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426 | } |
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427 | } |
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428 | |
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429 | Object.extend(Enumerable, { |
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430 | map: Enumerable.collect, |
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431 | find: Enumerable.detect, |
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432 | select: Enumerable.findAll, |
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433 | member: Enumerable.include, |
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434 | entries: Enumerable.toArray |
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435 | }); |
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436 | var $A = Array.from = function(iterable) { |
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437 | if (!iterable) return []; |
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438 | if (iterable.toArray) { |
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439 | return iterable.toArray(); |
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440 | } else { |
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441 | var results = []; |
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442 | for (var i = 0; i < iterable.length; i++) |
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443 | results.push(iterable[i]); |
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444 | return results; |
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445 | } |
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446 | } |
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447 | |
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448 | Object.extend(Array.prototype, Enumerable); |
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449 | |
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450 | if (!Array.prototype._reverse) |
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451 | Array.prototype._reverse = Array.prototype.reverse; |
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452 | |
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453 | Object.extend(Array.prototype, { |
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454 | _each: function(iterator) { |
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455 | for (var i = 0; i < this.length; i++) |
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456 | iterator(this[i]); |
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457 | }, |
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458 | |
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459 | clear: function() { |
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460 | this.length = 0; |
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461 | return this; |
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462 | }, |
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463 | |
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464 | first: function() { |
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465 | return this[0]; |
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466 | }, |
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467 | |
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468 | last: function() { |
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469 | return this[this.length - 1]; |
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470 | }, |
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471 | |
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472 | compact: function() { |
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473 | return this.select(function(value) { |
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474 | return value != undefined || value != null; |
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475 | }); |
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476 | }, |
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477 | |
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478 | flatten: function() { |
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479 | return this.inject([], function(array, value) { |
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480 | return array.concat(value && value.constructor == Array ? |
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481 | value.flatten() : [value]); |
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482 | }); |
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483 | }, |
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484 | |
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485 | without: function() { |
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486 | var values = $A(arguments); |
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487 | return this.select(function(value) { |
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488 | return !values.include(value); |
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489 | }); |
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490 | }, |
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491 | |
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492 | indexOf: function(object) { |
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493 | for (var i = 0; i < this.length; i++) |
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494 | if (this[i] == object) return i; |
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495 | return -1; |
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496 | }, |
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497 | |
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498 | reverse: function(inline) { |
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499 | return (inline !== false ? this : this.toArray())._reverse(); |
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500 | }, |
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501 | |
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502 | inspect: function() { |
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503 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
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504 | } |
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505 | }); |
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506 | var Hash = { |
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507 | _each: function(iterator) { |
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508 | for (var key in this) { |
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509 | var value = this[key]; |
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510 | if (typeof value == 'function') continue; |
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511 | |
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512 | var pair = [key, value]; |
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513 | pair.key = key; |
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514 | pair.value = value; |
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515 | iterator(pair); |
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516 | } |
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517 | }, |
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518 | |
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519 | keys: function() { |
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520 | return this.pluck('key'); |
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521 | }, |
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522 | |
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523 | values: function() { |
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524 | return this.pluck('value'); |
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525 | }, |
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526 | |
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527 | merge: function(hash) { |
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528 | return $H(hash).inject($H(this), function(mergedHash, pair) { |
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529 | mergedHash[pair.key] = pair.value; |
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530 | return mergedHash; |
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531 | }); |
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532 | }, |
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533 | |
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534 | toQueryString: function() { |
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535 | return this.map(function(pair) { |
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536 | return pair.map(encodeURIComponent).join('='); |
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537 | }).join('&'); |
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538 | }, |
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539 | |
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540 | inspect: function() { |
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541 | return '#<Hash:{' + this.map(function(pair) { |
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542 | return pair.map(Object.inspect).join(': '); |
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543 | }).join(', ') + '}>'; |
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544 | } |
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545 | } |
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546 | |
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547 | function $H(object) { |
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548 | var hash = Object.extend({}, object || {}); |
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549 | Object.extend(hash, Enumerable); |
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550 | Object.extend(hash, Hash); |
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551 | return hash; |
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552 | } |
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553 | ObjectRange = Class.create(); |
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554 | Object.extend(ObjectRange.prototype, Enumerable); |
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555 | Object.extend(ObjectRange.prototype, { |
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556 | initialize: function(start, end, exclusive) { |
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557 | this.start = start; |
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558 | this.end = end; |
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559 | this.exclusive = exclusive; |
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560 | }, |
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561 | |
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562 | _each: function(iterator) { |
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563 | var value = this.start; |
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564 | do { |
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565 | iterator(value); |
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566 | value = value.succ(); |
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567 | } while (this.include(value)); |
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568 | }, |
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569 | |
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570 | include: function(value) { |
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571 | if (value < this.start) |
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572 | return false; |
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573 | if (this.exclusive) |
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574 | return value < this.end; |
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575 | return value <= this.end; |
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576 | } |
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577 | }); |
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578 | |
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579 | var $R = function(start, end, exclusive) { |
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580 | return new ObjectRange(start, end, exclusive); |
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581 | } |
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582 | |
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583 | var Ajax = { |
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584 | getTransport: function() { |
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585 | return Try.these( |
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586 | function() {return new XMLHttpRequest()}, |
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587 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
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588 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
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589 | ) || false; |
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590 | }, |
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591 | |
---|
592 | activeRequestCount: 0 |
---|
593 | } |
---|
594 | |
---|
595 | Ajax.Responders = { |
---|
596 | responders: [], |
---|
597 | |
---|
598 | _each: function(iterator) { |
---|
599 | this.responders._each(iterator); |
---|
600 | }, |
---|
601 | |
---|
602 | register: function(responderToAdd) { |
---|
603 | if (!this.include(responderToAdd)) |
---|
604 | this.responders.push(responderToAdd); |
---|
605 | }, |
---|
606 | |
---|
607 | unregister: function(responderToRemove) { |
---|
608 | this.responders = this.responders.without(responderToRemove); |
---|
609 | }, |
---|
610 | |
---|
611 | dispatch: function(callback, request, transport, json) { |
---|
612 | this.each(function(responder) { |
---|
613 | if (responder[callback] && typeof responder[callback] == 'function') { |
---|
614 | try { |
---|
615 | responder[callback].apply(responder, [request, transport, json]); |
---|
616 | } catch (e) {} |
---|
617 | } |
---|
618 | }); |
---|
619 | } |
---|
620 | }; |
---|
621 | |
---|
622 | Object.extend(Ajax.Responders, Enumerable); |
---|
623 | |
---|
624 | Ajax.Responders.register({ |
---|
625 | onCreate: function() { |
---|
626 | Ajax.activeRequestCount++; |
---|
627 | }, |
---|
628 | |
---|
629 | onComplete: function() { |
---|
630 | Ajax.activeRequestCount--; |
---|
631 | } |
---|
632 | }); |
---|
633 | |
---|
634 | Ajax.Base = function() {}; |
---|
635 | Ajax.Base.prototype = { |
---|
636 | setOptions: function(options) { |
---|
637 | this.options = { |
---|
638 | method: 'post', |
---|
639 | asynchronous: true, |
---|
640 | contentType: 'application/x-www-form-urlencoded', |
---|
641 | parameters: '' |
---|
642 | } |
---|
643 | Object.extend(this.options, options || {}); |
---|
644 | }, |
---|
645 | |
---|
646 | responseIsSuccess: function() { |
---|
647 | return this.transport.status == undefined |
---|
648 | || this.transport.status == 0 |
---|
649 | || (this.transport.status >= 200 && this.transport.status < 300); |
---|
650 | }, |
---|
651 | |
---|
652 | responseIsFailure: function() { |
---|
653 | return !this.responseIsSuccess(); |
---|
654 | } |
---|
655 | } |
---|
656 | |
---|
657 | Ajax.Request = Class.create(); |
---|
658 | Ajax.Request.Events = |
---|
659 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
---|
660 | |
---|
661 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
---|
662 | initialize: function(url, options) { |
---|
663 | this.transport = Ajax.getTransport(); |
---|
664 | this.setOptions(options); |
---|
665 | this.request(url); |
---|
666 | }, |
---|
667 | |
---|
668 | request: function(url) { |
---|
669 | var parameters = this.options.parameters || ''; |
---|
670 | if (parameters.length > 0) parameters += '&_='; |
---|
671 | |
---|
672 | try { |
---|
673 | this.url = url; |
---|
674 | if (this.options.method == 'get' && parameters.length > 0) |
---|
675 | this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; |
---|
676 | |
---|
677 | Ajax.Responders.dispatch('onCreate', this, this.transport); |
---|
678 | |
---|
679 | this.transport.open(this.options.method, this.url, |
---|
680 | this.options.asynchronous); |
---|
681 | |
---|
682 | if (this.options.asynchronous) { |
---|
683 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
---|
684 | setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); |
---|
685 | } |
---|
686 | |
---|
687 | this.setRequestHeaders(); |
---|
688 | |
---|
689 | var body = this.options.postBody ? this.options.postBody : parameters; |
---|
690 | this.transport.send(this.options.method == 'post' ? body : null); |
---|
691 | |
---|
692 | } catch (e) { |
---|
693 | this.dispatchException(e); |
---|
694 | } |
---|
695 | }, |
---|
696 | |
---|
697 | setRequestHeaders: function() { |
---|
698 | var requestHeaders = |
---|
699 | ['X-Requested-With', 'XMLHttpRequest', |
---|
700 | 'X-Prototype-Version', Prototype.Version, |
---|
701 | 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*']; |
---|
702 | |
---|
703 | if (this.options.method == 'post') { |
---|
704 | requestHeaders.push('Content-type', this.options.contentType); |
---|
705 | |
---|
706 | /* Force "Connection: close" for Mozilla browsers to work around |
---|
707 | * a bug where XMLHttpReqeuest sends an incorrect Content-length |
---|
708 | * header. See Mozilla Bugzilla #246651. |
---|
709 | */ |
---|
710 | if (this.transport.overrideMimeType) |
---|
711 | requestHeaders.push('Connection', 'close'); |
---|
712 | } |
---|
713 | |
---|
714 | if (this.options.requestHeaders) |
---|
715 | requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); |
---|
716 | |
---|
717 | for (var i = 0; i < requestHeaders.length; i += 2) |
---|
718 | this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); |
---|
719 | }, |
---|
720 | |
---|
721 | onStateChange: function() { |
---|
722 | var readyState = this.transport.readyState; |
---|
723 | if (readyState != 1) |
---|
724 | this.respondToReadyState(this.transport.readyState); |
---|
725 | }, |
---|
726 | |
---|
727 | header: function(name) { |
---|
728 | try { |
---|
729 | return this.transport.getResponseHeader(name); |
---|
730 | } catch (e) {} |
---|
731 | }, |
---|
732 | |
---|
733 | evalJSON: function() { |
---|
734 | try { |
---|
735 | return eval('(' + this.header('X-JSON') + ')'); |
---|
736 | } catch (e) {} |
---|
737 | }, |
---|
738 | |
---|
739 | evalResponse: function() { |
---|
740 | try { |
---|
741 | return eval(this.transport.responseText); |
---|
742 | } catch (e) { |
---|
743 | this.dispatchException(e); |
---|
744 | } |
---|
745 | }, |
---|
746 | |
---|
747 | respondToReadyState: function(readyState) { |
---|
748 | var event = Ajax.Request.Events[readyState]; |
---|
749 | var transport = this.transport, json = this.evalJSON(); |
---|
750 | |
---|
751 | if (event == 'Complete') { |
---|
752 | try { |
---|
753 | (this.options['on' + this.transport.status] |
---|
754 | || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] |
---|
755 | || Prototype.emptyFunction)(transport, json); |
---|
756 | } catch (e) { |
---|
757 | this.dispatchException(e); |
---|
758 | } |
---|
759 | |
---|
760 | if ((this.header('Content-type') || '').match(/^text\/javascript/i)) |
---|
761 | this.evalResponse(); |
---|
762 | } |
---|
763 | |
---|
764 | try { |
---|
765 | (this.options['on' + event] || Prototype.emptyFunction)(transport, json); |
---|
766 | Ajax.Responders.dispatch('on' + event, this, transport, json); |
---|
767 | } catch (e) { |
---|
768 | this.dispatchException(e); |
---|
769 | } |
---|
770 | |
---|
771 | /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ |
---|
772 | if (event == 'Complete') |
---|
773 | this.transport.onreadystatechange = Prototype.emptyFunction; |
---|
774 | }, |
---|
775 | |
---|
776 | dispatchException: function(exception) { |
---|
777 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
---|
778 | Ajax.Responders.dispatch('onException', this, exception); |
---|
779 | } |
---|
780 | }); |
---|
781 | |
---|
782 | Ajax.Updater = Class.create(); |
---|
783 | |
---|
784 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
---|
785 | initialize: function(container, url, options) { |
---|
786 | this.containers = { |
---|
787 | success: container.success ? $(container.success) : $(container), |
---|
788 | failure: container.failure ? $(container.failure) : |
---|
789 | (container.success ? null : $(container)) |
---|
790 | } |
---|
791 | |
---|
792 | this.transport = Ajax.getTransport(); |
---|
793 | this.setOptions(options); |
---|
794 | |
---|
795 | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
---|
796 | this.options.onComplete = (function(transport, object) { |
---|
797 | this.updateContent(); |
---|
798 | onComplete(transport, object); |
---|
799 | }).bind(this); |
---|
800 | |
---|
801 | this.request(url); |
---|
802 | }, |
---|
803 | |
---|
804 | updateContent: function() { |
---|
805 | var receiver = this.responseIsSuccess() ? |
---|
806 | this.containers.success : this.containers.failure; |
---|
807 | var response = this.transport.responseText; |
---|
808 | |
---|
809 | if (!this.options.evalScripts) |
---|
810 | response = response.stripScripts(); |
---|
811 | |
---|
812 | if (receiver) { |
---|
813 | if (this.options.insertion) { |
---|
814 | new this.options.insertion(receiver, response); |
---|
815 | } else { |
---|
816 | Element.update(receiver, response); |
---|
817 | } |
---|
818 | } |
---|
819 | |
---|
820 | if (this.responseIsSuccess()) { |
---|
821 | if (this.onComplete) |
---|
822 | setTimeout(this.onComplete.bind(this), 10); |
---|
823 | } |
---|
824 | } |
---|
825 | }); |
---|
826 | |
---|
827 | Ajax.PeriodicalUpdater = Class.create(); |
---|
828 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
---|
829 | initialize: function(container, url, options) { |
---|
830 | this.setOptions(options); |
---|
831 | this.onComplete = this.options.onComplete; |
---|
832 | |
---|
833 | this.frequency = (this.options.frequency || 2); |
---|
834 | this.decay = (this.options.decay || 1); |
---|
835 | |
---|
836 | this.updater = {}; |
---|
837 | this.container = container; |
---|
838 | this.url = url; |
---|
839 | |
---|
840 | this.start(); |
---|
841 | }, |
---|
842 | |
---|
843 | start: function() { |
---|
844 | this.options.onComplete = this.updateComplete.bind(this); |
---|
845 | this.onTimerEvent(); |
---|
846 | }, |
---|
847 | |
---|
848 | stop: function() { |
---|
849 | this.updater.onComplete = undefined; |
---|
850 | clearTimeout(this.timer); |
---|
851 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
---|
852 | }, |
---|
853 | |
---|
854 | updateComplete: function(request) { |
---|
855 | if (this.options.decay) { |
---|
856 | this.decay = (request.responseText == this.lastText ? |
---|
857 | this.decay * this.options.decay : 1); |
---|
858 | |
---|
859 | this.lastText = request.responseText; |
---|
860 | } |
---|
861 | this.timer = setTimeout(this.onTimerEvent.bind(this), |
---|
862 | this.decay * this.frequency * 1000); |
---|
863 | }, |
---|
864 | |
---|
865 | onTimerEvent: function() { |
---|
866 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
---|
867 | } |
---|
868 | }); |
---|
869 | function $() { |
---|
870 | var results = [], element; |
---|
871 | for (var i = 0; i < arguments.length; i++) { |
---|
872 | element = arguments[i]; |
---|
873 | if (typeof element == 'string') |
---|
874 | element = document.getElementById(element); |
---|
875 | results.push(Element.extend(element)); |
---|
876 | } |
---|
877 | return results.length < 2 ? results[0] : results; |
---|
878 | } |
---|
879 | |
---|
880 | document.getElementsByClassName = function(className, parentElement) { |
---|
881 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
---|
882 | return $A(children).inject([], function(elements, child) { |
---|
883 | if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
---|
884 | elements.push(Element.extend(child)); |
---|
885 | return elements; |
---|
886 | }); |
---|
887 | } |
---|
888 | |
---|
889 | /*--------------------------------------------------------------------------*/ |
---|
890 | |
---|
891 | if (!window.Element) |
---|
892 | var Element = new Object(); |
---|
893 | |
---|
894 | Element.extend = function(element) { |
---|
895 | if (!element) return; |
---|
896 | if (_nativeExtensions) return element; |
---|
897 | |
---|
898 | if (!element._extended && element.tagName && element != window) { |
---|
899 | var methods = Element.Methods, cache = Element.extend.cache; |
---|
900 | for (property in methods) { |
---|
901 | var value = methods[property]; |
---|
902 | if (typeof value == 'function') |
---|
903 | element[property] = cache.findOrStore(value); |
---|
904 | } |
---|
905 | } |
---|
906 | |
---|
907 | element._extended = true; |
---|
908 | return element; |
---|
909 | } |
---|
910 | |
---|
911 | Element.extend.cache = { |
---|
912 | findOrStore: function(value) { |
---|
913 | return this[value] = this[value] || function() { |
---|
914 | return value.apply(null, [this].concat($A(arguments))); |
---|
915 | } |
---|
916 | } |
---|
917 | } |
---|
918 | |
---|
919 | Element.Methods = { |
---|
920 | visible: function(element) { |
---|
921 | return $(element).style.display != 'none'; |
---|
922 | }, |
---|
923 | |
---|
924 | toggle: function() { |
---|
925 | for (var i = 0; i < arguments.length; i++) { |
---|
926 | var element = $(arguments[i]); |
---|
927 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
---|
928 | } |
---|
929 | }, |
---|
930 | |
---|
931 | hide: function() { |
---|
932 | for (var i = 0; i < arguments.length; i++) { |
---|
933 | var element = $(arguments[i]); |
---|
934 | element.style.display = 'none'; |
---|
935 | } |
---|
936 | }, |
---|
937 | |
---|
938 | show: function() { |
---|
939 | for (var i = 0; i < arguments.length; i++) { |
---|
940 | var element = $(arguments[i]); |
---|
941 | element.style.display = ''; |
---|
942 | } |
---|
943 | }, |
---|
944 | |
---|
945 | remove: function(element) { |
---|
946 | element = $(element); |
---|
947 | element.parentNode.removeChild(element); |
---|
948 | }, |
---|
949 | |
---|
950 | update: function(element, html) { |
---|
951 | $(element).innerHTML = html.stripScripts(); |
---|
952 | setTimeout(function() {html.evalScripts()}, 10); |
---|
953 | }, |
---|
954 | |
---|
955 | replace: function(element, html) { |
---|
956 | element = $(element); |
---|
957 | if (element.outerHTML) { |
---|
958 | element.outerHTML = html.stripScripts(); |
---|
959 | } else { |
---|
960 | var range = element.ownerDocument.createRange(); |
---|
961 | range.selectNodeContents(element); |
---|
962 | element.parentNode.replaceChild( |
---|
963 | range.createContextualFragment(html.stripScripts()), element); |
---|
964 | } |
---|
965 | setTimeout(function() {html.evalScripts()}, 10); |
---|
966 | }, |
---|
967 | |
---|
968 | getHeight: function(element) { |
---|
969 | element = $(element); |
---|
970 | return element.offsetHeight; |
---|
971 | }, |
---|
972 | |
---|
973 | classNames: function(element) { |
---|
974 | return new Element.ClassNames(element); |
---|
975 | }, |
---|
976 | |
---|
977 | hasClassName: function(element, className) { |
---|
978 | if (!(element = $(element))) return; |
---|
979 | return Element.classNames(element).include(className); |
---|
980 | }, |
---|
981 | |
---|
982 | addClassName: function(element, className) { |
---|
983 | if (!(element = $(element))) return; |
---|
984 | return Element.classNames(element).add(className); |
---|
985 | }, |
---|
986 | |
---|
987 | removeClassName: function(element, className) { |
---|
988 | if (!(element = $(element))) return; |
---|
989 | return Element.classNames(element).remove(className); |
---|
990 | }, |
---|
991 | |
---|
992 | // removes whitespace-only text node children |
---|
993 | cleanWhitespace: function(element) { |
---|
994 | element = $(element); |
---|
995 | for (var i = 0; i < element.childNodes.length; i++) { |
---|
996 | var node = element.childNodes[i]; |
---|
997 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
---|
998 | Element.remove(node); |
---|
999 | } |
---|
1000 | }, |
---|
1001 | |
---|
1002 | empty: function(element) { |
---|
1003 | return $(element).innerHTML.match(/^\s*$/); |
---|
1004 | }, |
---|
1005 | |
---|
1006 | childOf: function(element, ancestor) { |
---|
1007 | element = $(element), ancestor = $(ancestor); |
---|
1008 | while (element = element.parentNode) |
---|
1009 | if (element == ancestor) return true; |
---|
1010 | return false; |
---|
1011 | }, |
---|
1012 | |
---|
1013 | scrollTo: function(element) { |
---|
1014 | element = $(element); |
---|
1015 | var x = element.x ? element.x : element.offsetLeft, |
---|
1016 | y = element.y ? element.y : element.offsetTop; |
---|
1017 | window.scrollTo(x, y); |
---|
1018 | }, |
---|
1019 | |
---|
1020 | getStyle: function(element, style) { |
---|
1021 | element = $(element); |
---|
1022 | var value = element.style[style.camelize()]; |
---|
1023 | if (!value) { |
---|
1024 | if (document.defaultView && document.defaultView.getComputedStyle) { |
---|
1025 | var css = document.defaultView.getComputedStyle(element, null); |
---|
1026 | value = css ? css.getPropertyValue(style) : null; |
---|
1027 | } else if (element.currentStyle) { |
---|
1028 | value = element.currentStyle[style.camelize()]; |
---|
1029 | } |
---|
1030 | } |
---|
1031 | |
---|
1032 | if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) |
---|
1033 | if (Element.getStyle(element, 'position') == 'static') value = 'auto'; |
---|
1034 | |
---|
1035 | return value == 'auto' ? null : value; |
---|
1036 | }, |
---|
1037 | |
---|
1038 | setStyle: function(element, style) { |
---|
1039 | element = $(element); |
---|
1040 | for (var name in style) |
---|
1041 | element.style[name.camelize()] = style[name]; |
---|
1042 | }, |
---|
1043 | |
---|
1044 | getDimensions: function(element) { |
---|
1045 | element = $(element); |
---|
1046 | if (Element.getStyle(element, 'display') != 'none') |
---|
1047 | return {width: element.offsetWidth, height: element.offsetHeight}; |
---|
1048 | |
---|
1049 | // All *Width and *Height properties give 0 on elements with display none, |
---|
1050 | // so enable the element temporarily |
---|
1051 | var els = element.style; |
---|
1052 | var originalVisibility = els.visibility; |
---|
1053 | var originalPosition = els.position; |
---|
1054 | els.visibility = 'hidden'; |
---|
1055 | els.position = 'absolute'; |
---|
1056 | els.display = ''; |
---|
1057 | var originalWidth = element.clientWidth; |
---|
1058 | var originalHeight = element.clientHeight; |
---|
1059 | els.display = 'none'; |
---|
1060 | els.position = originalPosition; |
---|
1061 | els.visibility = originalVisibility; |
---|
1062 | return {width: originalWidth, height: originalHeight}; |
---|
1063 | }, |
---|
1064 | |
---|
1065 | makePositioned: function(element) { |
---|
1066 | element = $(element); |
---|
1067 | var pos = Element.getStyle(element, 'position'); |
---|
1068 | if (pos == 'static' || !pos) { |
---|
1069 | element._madePositioned = true; |
---|
1070 | element.style.position = 'relative'; |
---|
1071 | // Opera returns the offset relative to the positioning context, when an |
---|
1072 | // element is position relative but top and left have not been defined |
---|
1073 | if (window.opera) { |
---|
1074 | element.style.top = 0; |
---|
1075 | element.style.left = 0; |
---|
1076 | } |
---|
1077 | } |
---|
1078 | }, |
---|
1079 | |
---|
1080 | undoPositioned: function(element) { |
---|
1081 | element = $(element); |
---|
1082 | if (element._madePositioned) { |
---|
1083 | element._madePositioned = undefined; |
---|
1084 | element.style.position = |
---|
1085 | element.style.top = |
---|
1086 | element.style.left = |
---|
1087 | element.style.bottom = |
---|
1088 | element.style.right = ''; |
---|
1089 | } |
---|
1090 | }, |
---|
1091 | |
---|
1092 | makeClipping: function(element) { |
---|
1093 | element = $(element); |
---|
1094 | if (element._overflow) return; |
---|
1095 | element._overflow = element.style.overflow; |
---|
1096 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
---|
1097 | element.style.overflow = 'hidden'; |
---|
1098 | }, |
---|
1099 | |
---|
1100 | undoClipping: function(element) { |
---|
1101 | element = $(element); |
---|
1102 | if (element._overflow) return; |
---|
1103 | element.style.overflow = element._overflow; |
---|
1104 | element._overflow = undefined; |
---|
1105 | } |
---|
1106 | } |
---|
1107 | |
---|
1108 | Object.extend(Element, Element.Methods); |
---|
1109 | |
---|
1110 | var _nativeExtensions = false; |
---|
1111 | |
---|
1112 | if(!HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) { |
---|
1113 | var HTMLElement = {} |
---|
1114 | HTMLElement.prototype = document.createElement('div').__proto__; |
---|
1115 | } |
---|
1116 | |
---|
1117 | Element.addMethods = function(methods) { |
---|
1118 | Object.extend(Element.Methods, methods || {}); |
---|
1119 | |
---|
1120 | if(typeof HTMLElement != 'undefined') { |
---|
1121 | var methods = Element.Methods, cache = Element.extend.cache; |
---|
1122 | for (property in methods) { |
---|
1123 | var value = methods[property]; |
---|
1124 | if (typeof value == 'function') |
---|
1125 | HTMLElement.prototype[property] = cache.findOrStore(value); |
---|
1126 | } |
---|
1127 | _nativeExtensions = true; |
---|
1128 | } |
---|
1129 | } |
---|
1130 | |
---|
1131 | Element.addMethods(); |
---|
1132 | |
---|
1133 | var Toggle = new Object(); |
---|
1134 | Toggle.display = Element.toggle; |
---|
1135 | |
---|
1136 | /*--------------------------------------------------------------------------*/ |
---|
1137 | |
---|
1138 | Abstract.Insertion = function(adjacency) { |
---|
1139 | this.adjacency = adjacency; |
---|
1140 | } |
---|
1141 | |
---|
1142 | Abstract.Insertion.prototype = { |
---|
1143 | initialize: function(element, content) { |
---|
1144 | this.element = $(element); |
---|
1145 | this.content = content.stripScripts(); |
---|
1146 | |
---|
1147 | if (this.adjacency && this.element.insertAdjacentHTML) { |
---|
1148 | try { |
---|
1149 | this.element.insertAdjacentHTML(this.adjacency, this.content); |
---|
1150 | } catch (e) { |
---|
1151 | var tagName = this.element.tagName.toLowerCase(); |
---|
1152 | if (tagName == 'tbody' || tagName == 'tr') { |
---|
1153 | this.insertContent(this.contentFromAnonymousTable()); |
---|
1154 | } else { |
---|
1155 | throw e; |
---|
1156 | } |
---|
1157 | } |
---|
1158 | } else { |
---|
1159 | this.range = this.element.ownerDocument.createRange(); |
---|
1160 | if (this.initializeRange) this.initializeRange(); |
---|
1161 | this.insertContent([this.range.createContextualFragment(this.content)]); |
---|
1162 | } |
---|
1163 | |
---|
1164 | setTimeout(function() {content.evalScripts()}, 10); |
---|
1165 | }, |
---|
1166 | |
---|
1167 | contentFromAnonymousTable: function() { |
---|
1168 | var div = document.createElement('div'); |
---|
1169 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
---|
1170 | return $A(div.childNodes[0].childNodes[0].childNodes); |
---|
1171 | } |
---|
1172 | } |
---|
1173 | |
---|
1174 | var Insertion = new Object(); |
---|
1175 | |
---|
1176 | Insertion.Before = Class.create(); |
---|
1177 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
---|
1178 | initializeRange: function() { |
---|
1179 | this.range.setStartBefore(this.element); |
---|
1180 | }, |
---|
1181 | |
---|
1182 | insertContent: function(fragments) { |
---|
1183 | fragments.each((function(fragment) { |
---|
1184 | this.element.parentNode.insertBefore(fragment, this.element); |
---|
1185 | }).bind(this)); |
---|
1186 | } |
---|
1187 | }); |
---|
1188 | |
---|
1189 | Insertion.Top = Class.create(); |
---|
1190 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
---|
1191 | initializeRange: function() { |
---|
1192 | this.range.selectNodeContents(this.element); |
---|
1193 | this.range.collapse(true); |
---|
1194 | }, |
---|
1195 | |
---|
1196 | insertContent: function(fragments) { |
---|
1197 | fragments.reverse(false).each((function(fragment) { |
---|
1198 | this.element.insertBefore(fragment, this.element.firstChild); |
---|
1199 | }).bind(this)); |
---|
1200 | } |
---|
1201 | }); |
---|
1202 | |
---|
1203 | Insertion.Bottom = Class.create(); |
---|
1204 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
---|
1205 | initializeRange: function() { |
---|
1206 | this.range.selectNodeContents(this.element); |
---|
1207 | this.range.collapse(this.element); |
---|
1208 | }, |
---|
1209 | |
---|
1210 | insertContent: function(fragments) { |
---|
1211 | fragments.each((function(fragment) { |
---|
1212 | this.element.appendChild(fragment); |
---|
1213 | }).bind(this)); |
---|
1214 | } |
---|
1215 | }); |
---|
1216 | |
---|
1217 | Insertion.After = Class.create(); |
---|
1218 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
---|
1219 | initializeRange: function() { |
---|
1220 | this.range.setStartAfter(this.element); |
---|
1221 | }, |
---|
1222 | |
---|
1223 | insertContent: function(fragments) { |
---|
1224 | fragments.each((function(fragment) { |
---|
1225 | this.element.parentNode.insertBefore(fragment, |
---|
1226 | this.element.nextSibling); |
---|
1227 | }).bind(this)); |
---|
1228 | } |
---|
1229 | }); |
---|
1230 | |
---|
1231 | /*--------------------------------------------------------------------------*/ |
---|
1232 | |
---|
1233 | Element.ClassNames = Class.create(); |
---|
1234 | Element.ClassNames.prototype = { |
---|
1235 | initialize: function(element) { |
---|
1236 | this.element = $(element); |
---|
1237 | }, |
---|
1238 | |
---|
1239 | _each: function(iterator) { |
---|
1240 | this.element.className.split(/\s+/).select(function(name) { |
---|
1241 | return name.length > 0; |
---|
1242 | })._each(iterator); |
---|
1243 | }, |
---|
1244 | |
---|
1245 | set: function(className) { |
---|
1246 | this.element.className = className; |
---|
1247 | }, |
---|
1248 | |
---|
1249 | add: function(classNameToAdd) { |
---|
1250 | if (this.include(classNameToAdd)) return; |
---|
1251 | this.set(this.toArray().concat(classNameToAdd).join(' ')); |
---|
1252 | }, |
---|
1253 | |
---|
1254 | remove: function(classNameToRemove) { |
---|
1255 | if (!this.include(classNameToRemove)) return; |
---|
1256 | this.set(this.select(function(className) { |
---|
1257 | return className != classNameToRemove; |
---|
1258 | }).join(' ')); |
---|
1259 | }, |
---|
1260 | |
---|
1261 | toString: function() { |
---|
1262 | return this.toArray().join(' '); |
---|
1263 | } |
---|
1264 | } |
---|
1265 | |
---|
1266 | Object.extend(Element.ClassNames.prototype, Enumerable); |
---|
1267 | var Selector = Class.create(); |
---|
1268 | Selector.prototype = { |
---|
1269 | initialize: function(expression) { |
---|
1270 | this.params = {classNames: []}; |
---|
1271 | this.expression = expression.toString().strip(); |
---|
1272 | this.parseExpression(); |
---|
1273 | this.compileMatcher(); |
---|
1274 | }, |
---|
1275 | |
---|
1276 | parseExpression: function() { |
---|
1277 | function abort(message) { throw 'Parse error in selector: ' + message; } |
---|
1278 | |
---|
1279 | if (this.expression == '') abort('empty expression'); |
---|
1280 | |
---|
1281 | var params = this.params, expr = this.expression, match, modifier, clause, rest; |
---|
1282 | while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { |
---|
1283 | params.attributes = params.attributes || []; |
---|
1284 | params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); |
---|
1285 | expr = match[1]; |
---|
1286 | } |
---|
1287 | |
---|
1288 | if (expr == '*') return this.params.wildcard = true; |
---|
1289 | |
---|
1290 | while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { |
---|
1291 | modifier = match[1], clause = match[2], rest = match[3]; |
---|
1292 | switch (modifier) { |
---|
1293 | case '#': params.id = clause; break; |
---|
1294 | case '.': params.classNames.push(clause); break; |
---|
1295 | case '': |
---|
1296 | case undefined: params.tagName = clause.toUpperCase(); break; |
---|
1297 | default: abort(expr.inspect()); |
---|
1298 | } |
---|
1299 | expr = rest; |
---|
1300 | } |
---|
1301 | |
---|
1302 | if (expr.length > 0) abort(expr.inspect()); |
---|
1303 | }, |
---|
1304 | |
---|
1305 | buildMatchExpression: function() { |
---|
1306 | var params = this.params, conditions = [], clause; |
---|
1307 | |
---|
1308 | if (params.wildcard) |
---|
1309 | conditions.push('true'); |
---|
1310 | if (clause = params.id) |
---|
1311 | conditions.push('element.id == ' + clause.inspect()); |
---|
1312 | if (clause = params.tagName) |
---|
1313 | conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); |
---|
1314 | if ((clause = params.classNames).length > 0) |
---|
1315 | for (var i = 0; i < clause.length; i++) |
---|
1316 | conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')'); |
---|
1317 | if (clause = params.attributes) { |
---|
1318 | clause.each(function(attribute) { |
---|
1319 | var value = 'element.getAttribute(' + attribute.name.inspect() + ')'; |
---|
1320 | var splitValueBy = function(delimiter) { |
---|
1321 | return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; |
---|
1322 | } |
---|
1323 | |
---|
1324 | switch (attribute.operator) { |
---|
1325 | case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; |
---|
1326 | case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; |
---|
1327 | case '|=': conditions.push( |
---|
1328 | splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() |
---|
1329 | ); break; |
---|
1330 | case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; |
---|
1331 | case '': |
---|
1332 | case undefined: conditions.push(value + ' != null'); break; |
---|
1333 | default: throw 'Unknown operator ' + attribute.operator + ' in selector'; |
---|
1334 | } |
---|
1335 | }); |
---|
1336 | } |
---|
1337 | |
---|
1338 | return conditions.join(' && '); |
---|
1339 | }, |
---|
1340 | |
---|
1341 | compileMatcher: function() { |
---|
1342 | this.match = new Function('element', 'if (!element.tagName) return false; \ |
---|
1343 | return ' + this.buildMatchExpression()); |
---|
1344 | }, |
---|
1345 | |
---|
1346 | findElements: function(scope) { |
---|
1347 | var element; |
---|
1348 | |
---|
1349 | if (element = $(this.params.id)) |
---|
1350 | if (this.match(element)) |
---|
1351 | if (!scope || Element.childOf(element, scope)) |
---|
1352 | return [element]; |
---|
1353 | |
---|
1354 | scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); |
---|
1355 | |
---|
1356 | var results = []; |
---|
1357 | for (var i = 0; i < scope.length; i++) |
---|
1358 | if (this.match(element = scope[i])) |
---|
1359 | results.push(Element.extend(element)); |
---|
1360 | |
---|
1361 | return results; |
---|
1362 | }, |
---|
1363 | |
---|
1364 | toString: function() { |
---|
1365 | return this.expression; |
---|
1366 | } |
---|
1367 | } |
---|
1368 | |
---|
1369 | function $$() { |
---|
1370 | return $A(arguments).map(function(expression) { |
---|
1371 | return expression.strip().split(/\s+/).inject([null], function(results, expr) { |
---|
1372 | var selector = new Selector(expr); |
---|
1373 | return results.map(selector.findElements.bind(selector)).flatten(); |
---|
1374 | }); |
---|
1375 | }).flatten(); |
---|
1376 | } |
---|
1377 | var Field = { |
---|
1378 | clear: function() { |
---|
1379 | for (var i = 0; i < arguments.length; i++) |
---|
1380 | $(arguments[i]).value = ''; |
---|
1381 | }, |
---|
1382 | |
---|
1383 | focus: function(element) { |
---|
1384 | $(element).focus(); |
---|
1385 | }, |
---|
1386 | |
---|
1387 | present: function() { |
---|
1388 | for (var i = 0; i < arguments.length; i++) |
---|
1389 | if ($(arguments[i]).value == '') return false; |
---|
1390 | return true; |
---|
1391 | }, |
---|
1392 | |
---|
1393 | select: function(element) { |
---|
1394 | $(element).select(); |
---|
1395 | }, |
---|
1396 | |
---|
1397 | activate: function(element) { |
---|
1398 | element = $(element); |
---|
1399 | element.focus(); |
---|
1400 | if (element.select) |
---|
1401 | element.select(); |
---|
1402 | } |
---|
1403 | } |
---|
1404 | |
---|
1405 | /*--------------------------------------------------------------------------*/ |
---|
1406 | |
---|
1407 | var Form = { |
---|
1408 | serialize: function(form) { |
---|
1409 | var elements = Form.getElements($(form)); |
---|
1410 | var queryComponents = new Array(); |
---|
1411 | |
---|
1412 | for (var i = 0; i < elements.length; i++) { |
---|
1413 | var queryComponent = Form.Element.serialize(elements[i]); |
---|
1414 | if (queryComponent) |
---|
1415 | queryComponents.push(queryComponent); |
---|
1416 | } |
---|
1417 | |
---|
1418 | return queryComponents.join('&'); |
---|
1419 | }, |
---|
1420 | |
---|
1421 | getElements: function(form) { |
---|
1422 | form = $(form); |
---|
1423 | var elements = new Array(); |
---|
1424 | |
---|
1425 | for (var tagName in Form.Element.Serializers) { |
---|
1426 | var tagElements = form.getElementsByTagName(tagName); |
---|
1427 | for (var j = 0; j < tagElements.length; j++) |
---|
1428 | elements.push(tagElements[j]); |
---|
1429 | } |
---|
1430 | return elements; |
---|
1431 | }, |
---|
1432 | |
---|
1433 | getInputs: function(form, typeName, name) { |
---|
1434 | form = $(form); |
---|
1435 | var inputs = form.getElementsByTagName('input'); |
---|
1436 | |
---|
1437 | if (!typeName && !name) |
---|
1438 | return inputs; |
---|
1439 | |
---|
1440 | var matchingInputs = new Array(); |
---|
1441 | for (var i = 0; i < inputs.length; i++) { |
---|
1442 | var input = inputs[i]; |
---|
1443 | if ((typeName && input.type != typeName) || |
---|
1444 | (name && input.name != name)) |
---|
1445 | continue; |
---|
1446 | matchingInputs.push(input); |
---|
1447 | } |
---|
1448 | |
---|
1449 | return matchingInputs; |
---|
1450 | }, |
---|
1451 | |
---|
1452 | disable: function(form) { |
---|
1453 | var elements = Form.getElements(form); |
---|
1454 | for (var i = 0; i < elements.length; i++) { |
---|
1455 | var element = elements[i]; |
---|
1456 | element.blur(); |
---|
1457 | element.disabled = 'true'; |
---|
1458 | } |
---|
1459 | }, |
---|
1460 | |
---|
1461 | enable: function(form) { |
---|
1462 | var elements = Form.getElements(form); |
---|
1463 | for (var i = 0; i < elements.length; i++) { |
---|
1464 | var element = elements[i]; |
---|
1465 | element.disabled = ''; |
---|
1466 | } |
---|
1467 | }, |
---|
1468 | |
---|
1469 | findFirstElement: function(form) { |
---|
1470 | return Form.getElements(form).find(function(element) { |
---|
1471 | return element.type != 'hidden' && !element.disabled && |
---|
1472 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
---|
1473 | }); |
---|
1474 | }, |
---|
1475 | |
---|
1476 | focusFirstElement: function(form) { |
---|
1477 | Field.activate(Form.findFirstElement(form)); |
---|
1478 | }, |
---|
1479 | |
---|
1480 | reset: function(form) { |
---|
1481 | $(form).reset(); |
---|
1482 | } |
---|
1483 | } |
---|
1484 | |
---|
1485 | Form.Element = { |
---|
1486 | serialize: function(element) { |
---|
1487 | element = $(element); |
---|
1488 | var method = element.tagName.toLowerCase(); |
---|
1489 | var parameter = Form.Element.Serializers[method](element); |
---|
1490 | |
---|
1491 | if (parameter) { |
---|
1492 | var key = encodeURIComponent(parameter[0]); |
---|
1493 | if (key.length == 0) return; |
---|
1494 | |
---|
1495 | if (parameter[1].constructor != Array) |
---|
1496 | parameter[1] = [parameter[1]]; |
---|
1497 | |
---|
1498 | return parameter[1].map(function(value) { |
---|
1499 | return key + '=' + encodeURIComponent(value); |
---|
1500 | }).join('&'); |
---|
1501 | } |
---|
1502 | }, |
---|
1503 | |
---|
1504 | getValue: function(element) { |
---|
1505 | element = $(element); |
---|
1506 | var method = element.tagName.toLowerCase(); |
---|
1507 | var parameter = Form.Element.Serializers[method](element); |
---|
1508 | |
---|
1509 | if (parameter) |
---|
1510 | return parameter[1]; |
---|
1511 | } |
---|
1512 | } |
---|
1513 | |
---|
1514 | Form.Element.Serializers = { |
---|
1515 | input: function(element) { |
---|
1516 | switch (element.type.toLowerCase()) { |
---|
1517 | case 'submit': |
---|
1518 | case 'hidden': |
---|
1519 | case 'password': |
---|
1520 | case 'text': |
---|
1521 | return Form.Element.Serializers.textarea(element); |
---|
1522 | case 'checkbox': |
---|
1523 | case 'radio': |
---|
1524 | return Form.Element.Serializers.inputSelector(element); |
---|
1525 | } |
---|
1526 | return false; |
---|
1527 | }, |
---|
1528 | |
---|
1529 | inputSelector: function(element) { |
---|
1530 | if (element.checked) |
---|
1531 | return [element.name, element.value]; |
---|
1532 | }, |
---|
1533 | |
---|
1534 | textarea: function(element) { |
---|
1535 | return [element.name, element.value]; |
---|
1536 | }, |
---|
1537 | |
---|
1538 | select: function(element) { |
---|
1539 | return Form.Element.Serializers[element.type == 'select-one' ? |
---|
1540 | 'selectOne' : 'selectMany'](element); |
---|
1541 | }, |
---|
1542 | |
---|
1543 | selectOne: function(element) { |
---|
1544 | var value = '', opt, index = element.selectedIndex; |
---|
1545 | if (index >= 0) { |
---|
1546 | opt = element.options[index]; |
---|
1547 | value = opt.value || opt.text; |
---|
1548 | } |
---|
1549 | return [element.name, value]; |
---|
1550 | }, |
---|
1551 | |
---|
1552 | selectMany: function(element) { |
---|
1553 | var value = []; |
---|
1554 | for (var i = 0; i < element.length; i++) { |
---|
1555 | var opt = element.options[i]; |
---|
1556 | if (opt.selected) |
---|
1557 | value.push(opt.value || opt.text); |
---|
1558 | } |
---|
1559 | return [element.name, value]; |
---|
1560 | } |
---|
1561 | } |
---|
1562 | |
---|
1563 | /*--------------------------------------------------------------------------*/ |
---|
1564 | |
---|
1565 | var $F = Form.Element.getValue; |
---|
1566 | |
---|
1567 | /*--------------------------------------------------------------------------*/ |
---|
1568 | |
---|
1569 | Abstract.TimedObserver = function() {} |
---|
1570 | Abstract.TimedObserver.prototype = { |
---|
1571 | initialize: function(element, frequency, callback) { |
---|
1572 | this.frequency = frequency; |
---|
1573 | this.element = $(element); |
---|
1574 | this.callback = callback; |
---|
1575 | |
---|
1576 | this.lastValue = this.getValue(); |
---|
1577 | this.registerCallback(); |
---|
1578 | }, |
---|
1579 | |
---|
1580 | registerCallback: function() { |
---|
1581 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
---|
1582 | }, |
---|
1583 | |
---|
1584 | onTimerEvent: function() { |
---|
1585 | var value = this.getValue(); |
---|
1586 | if (this.lastValue != value) { |
---|
1587 | this.callback(this.element, value); |
---|
1588 | this.lastValue = value; |
---|
1589 | } |
---|
1590 | } |
---|
1591 | } |
---|
1592 | |
---|
1593 | Form.Element.Observer = Class.create(); |
---|
1594 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
1595 | getValue: function() { |
---|
1596 | return Form.Element.getValue(this.element); |
---|
1597 | } |
---|
1598 | }); |
---|
1599 | |
---|
1600 | Form.Observer = Class.create(); |
---|
1601 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
---|
1602 | getValue: function() { |
---|
1603 | return Form.serialize(this.element); |
---|
1604 | } |
---|
1605 | }); |
---|
1606 | |
---|
1607 | /*--------------------------------------------------------------------------*/ |
---|
1608 | |
---|
1609 | Abstract.EventObserver = function() {} |
---|
1610 | Abstract.EventObserver.prototype = { |
---|
1611 | initialize: function(element, callback) { |
---|
1612 | this.element = $(element); |
---|
1613 | this.callback = callback; |
---|
1614 | |
---|
1615 | this.lastValue = this.getValue(); |
---|
1616 | if (this.element.tagName.toLowerCase() == 'form') |
---|
1617 | this.registerFormCallbacks(); |
---|
1618 | else |
---|
1619 | this.registerCallback(this.element); |
---|
1620 | }, |
---|
1621 | |
---|
1622 | onElementEvent: function() { |
---|
1623 | var value = this.getValue(); |
---|
1624 | if (this.lastValue != value) { |
---|
1625 | this.callback(this.element, value); |
---|
1626 | this.lastValue = value; |
---|
1627 | } |
---|
1628 | }, |
---|
1629 | |
---|
1630 | registerFormCallbacks: function() { |
---|
1631 | var elements = Form.getElements(this.element); |
---|
1632 | for (var i = 0; i < elements.length; i++) |
---|
1633 | this.registerCallback(elements[i]); |
---|
1634 | }, |
---|
1635 | |
---|
1636 | registerCallback: function(element) { |
---|
1637 | if (element.type) { |
---|
1638 | switch (element.type.toLowerCase()) { |
---|
1639 | case 'checkbox': |
---|
1640 | case 'radio': |
---|
1641 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
---|
1642 | break; |
---|
1643 | case 'password': |
---|
1644 | case 'text': |
---|
1645 | case 'textarea': |
---|
1646 | case 'select-one': |
---|
1647 | case 'select-multiple': |
---|
1648 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
---|
1649 | break; |
---|
1650 | } |
---|
1651 | } |
---|
1652 | } |
---|
1653 | } |
---|
1654 | |
---|
1655 | Form.Element.EventObserver = Class.create(); |
---|
1656 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
1657 | getValue: function() { |
---|
1658 | return Form.Element.getValue(this.element); |
---|
1659 | } |
---|
1660 | }); |
---|
1661 | |
---|
1662 | Form.EventObserver = Class.create(); |
---|
1663 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
---|
1664 | getValue: function() { |
---|
1665 | return Form.serialize(this.element); |
---|
1666 | } |
---|
1667 | }); |
---|
1668 | if (!window.Event) { |
---|
1669 | var Event = new Object(); |
---|
1670 | } |
---|
1671 | |
---|
1672 | Object.extend(Event, { |
---|
1673 | KEY_BACKSPACE: 8, |
---|
1674 | KEY_TAB: 9, |
---|
1675 | KEY_RETURN: 13, |
---|
1676 | KEY_ESC: 27, |
---|
1677 | KEY_LEFT: 37, |
---|
1678 | KEY_UP: 38, |
---|
1679 | KEY_RIGHT: 39, |
---|
1680 | KEY_DOWN: 40, |
---|
1681 | KEY_DELETE: 46, |
---|
1682 | |
---|
1683 | element: function(event) { |
---|
1684 | return event.target || event.srcElement; |
---|
1685 | }, |
---|
1686 | |
---|
1687 | isLeftClick: function(event) { |
---|
1688 | return (((event.which) && (event.which == 1)) || |
---|
1689 | ((event.button) && (event.button == 1))); |
---|
1690 | }, |
---|
1691 | |
---|
1692 | pointerX: function(event) { |
---|
1693 | return event.pageX || (event.clientX + |
---|
1694 | (document.documentElement.scrollLeft || document.body.scrollLeft)); |
---|
1695 | }, |
---|
1696 | |
---|
1697 | pointerY: function(event) { |
---|
1698 | return event.pageY || (event.clientY + |
---|
1699 | (document.documentElement.scrollTop || document.body.scrollTop)); |
---|
1700 | }, |
---|
1701 | |
---|
1702 | stop: function(event) { |
---|
1703 | if (event.preventDefault) { |
---|
1704 | event.preventDefault(); |
---|
1705 | event.stopPropagation(); |
---|
1706 | } else { |
---|
1707 | event.returnValue = false; |
---|
1708 | event.cancelBubble = true; |
---|
1709 | } |
---|
1710 | }, |
---|
1711 | |
---|
1712 | // find the first node with the given tagName, starting from the |
---|
1713 | // node the event was triggered on; traverses the DOM upwards |
---|
1714 | findElement: function(event, tagName) { |
---|
1715 | var element = Event.element(event); |
---|
1716 | while (element.parentNode && (!element.tagName || |
---|
1717 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
---|
1718 | element = element.parentNode; |
---|
1719 | return element; |
---|
1720 | }, |
---|
1721 | |
---|
1722 | observers: false, |
---|
1723 | |
---|
1724 | _observeAndCache: function(element, name, observer, useCapture) { |
---|
1725 | if (!this.observers) this.observers = []; |
---|
1726 | if (element.addEventListener) { |
---|
1727 | this.observers.push([element, name, observer, useCapture]); |
---|
1728 | element.addEventListener(name, observer, useCapture); |
---|
1729 | } else if (element.attachEvent) { |
---|
1730 | this.observers.push([element, name, observer, useCapture]); |
---|
1731 | element.attachEvent('on' + name, observer); |
---|
1732 | } |
---|
1733 | }, |
---|
1734 | |
---|
1735 | unloadCache: function() { |
---|
1736 | if (!Event.observers) return; |
---|
1737 | for (var i = 0; i < Event.observers.length; i++) { |
---|
1738 | Event.stopObserving.apply(this, Event.observers[i]); |
---|
1739 | Event.observers[i][0] = null; |
---|
1740 | } |
---|
1741 | Event.observers = false; |
---|
1742 | }, |
---|
1743 | |
---|
1744 | observe: function(element, name, observer, useCapture) { |
---|
1745 | var element = $(element); |
---|
1746 | useCapture = useCapture || false; |
---|
1747 | |
---|
1748 | if (name == 'keypress' && |
---|
1749 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
---|
1750 | || element.attachEvent)) |
---|
1751 | name = 'keydown'; |
---|
1752 | |
---|
1753 | this._observeAndCache(element, name, observer, useCapture); |
---|
1754 | }, |
---|
1755 | |
---|
1756 | stopObserving: function(element, name, observer, useCapture) { |
---|
1757 | var element = $(element); |
---|
1758 | useCapture = useCapture || false; |
---|
1759 | |
---|
1760 | if (name == 'keypress' && |
---|
1761 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
---|
1762 | || element.detachEvent)) |
---|
1763 | name = 'keydown'; |
---|
1764 | |
---|
1765 | if (element.removeEventListener) { |
---|
1766 | element.removeEventListener(name, observer, useCapture); |
---|
1767 | } else if (element.detachEvent) { |
---|
1768 | element.detachEvent('on' + name, observer); |
---|
1769 | } |
---|
1770 | } |
---|
1771 | }); |
---|
1772 | |
---|
1773 | /* prevent memory leaks in IE */ |
---|
1774 | if (navigator.appVersion.match(/\bMSIE\b/)) |
---|
1775 | Event.observe(window, 'unload', Event.unloadCache, false); |
---|
1776 | var Position = { |
---|
1777 | // set to true if needed, warning: firefox performance problems |
---|
1778 | // NOT neeeded for page scrolling, only if draggable contained in |
---|
1779 | // scrollable elements |
---|
1780 | includeScrollOffsets: false, |
---|
1781 | |
---|
1782 | // must be called before calling withinIncludingScrolloffset, every time the |
---|
1783 | // page is scrolled |
---|
1784 | prepare: function() { |
---|
1785 | this.deltaX = window.pageXOffset |
---|
1786 | || document.documentElement.scrollLeft |
---|
1787 | || document.body.scrollLeft |
---|
1788 | || 0; |
---|
1789 | this.deltaY = window.pageYOffset |
---|
1790 | || document.documentElement.scrollTop |
---|
1791 | || document.body.scrollTop |
---|
1792 | || 0; |
---|
1793 | }, |
---|
1794 | |
---|
1795 | realOffset: function(element) { |
---|
1796 | var valueT = 0, valueL = 0; |
---|
1797 | do { |
---|
1798 | valueT += element.scrollTop || 0; |
---|
1799 | valueL += element.scrollLeft || 0; |
---|
1800 | element = element.parentNode; |
---|
1801 | } while (element); |
---|
1802 | return [valueL, valueT]; |
---|
1803 | }, |
---|
1804 | |
---|
1805 | cumulativeOffset: function(element) { |
---|
1806 | var valueT = 0, valueL = 0; |
---|
1807 | do { |
---|
1808 | valueT += element.offsetTop || 0; |
---|
1809 | valueL += element.offsetLeft || 0; |
---|
1810 | element = element.offsetParent; |
---|
1811 | } while (element); |
---|
1812 | return [valueL, valueT]; |
---|
1813 | }, |
---|
1814 | |
---|
1815 | positionedOffset: function(element) { |
---|
1816 | var valueT = 0, valueL = 0; |
---|
1817 | do { |
---|
1818 | valueT += element.offsetTop || 0; |
---|
1819 | valueL += element.offsetLeft || 0; |
---|
1820 | element = element.offsetParent; |
---|
1821 | if (element) { |
---|
1822 | p = Element.getStyle(element, 'position'); |
---|
1823 | if (p == 'relative' || p == 'absolute') break; |
---|
1824 | } |
---|
1825 | } while (element); |
---|
1826 | return [valueL, valueT]; |
---|
1827 | }, |
---|
1828 | |
---|
1829 | offsetParent: function(element) { |
---|
1830 | if (element.offsetParent) return element.offsetParent; |
---|
1831 | if (element == document.body) return element; |
---|
1832 | |
---|
1833 | while ((element = element.parentNode) && element != document.body) |
---|
1834 | if (Element.getStyle(element, 'position') != 'static') |
---|
1835 | return element; |
---|
1836 | |
---|
1837 | return document.body; |
---|
1838 | }, |
---|
1839 | |
---|
1840 | // caches x/y coordinate pair to use with overlap |
---|
1841 | within: function(element, x, y) { |
---|
1842 | if (this.includeScrollOffsets) |
---|
1843 | return this.withinIncludingScrolloffsets(element, x, y); |
---|
1844 | this.xcomp = x; |
---|
1845 | this.ycomp = y; |
---|
1846 | this.offset = this.cumulativeOffset(element); |
---|
1847 | |
---|
1848 | return (y >= this.offset[1] && |
---|
1849 | y < this.offset[1] + element.offsetHeight && |
---|
1850 | x >= this.offset[0] && |
---|
1851 | x < this.offset[0] + element.offsetWidth); |
---|
1852 | }, |
---|
1853 | |
---|
1854 | withinIncludingScrolloffsets: function(element, x, y) { |
---|
1855 | var offsetcache = this.realOffset(element); |
---|
1856 | |
---|
1857 | this.xcomp = x + offsetcache[0] - this.deltaX; |
---|
1858 | this.ycomp = y + offsetcache[1] - this.deltaY; |
---|
1859 | this.offset = this.cumulativeOffset(element); |
---|
1860 | |
---|
1861 | return (this.ycomp >= this.offset[1] && |
---|
1862 | this.ycomp < this.offset[1] + element.offsetHeight && |
---|
1863 | this.xcomp >= this.offset[0] && |
---|
1864 | this.xcomp < this.offset[0] + element.offsetWidth); |
---|
1865 | }, |
---|
1866 | |
---|
1867 | // within must be called directly before |
---|
1868 | overlap: function(mode, element) { |
---|
1869 | if (!mode) return 0; |
---|
1870 | if (mode == 'vertical') |
---|
1871 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
---|
1872 | element.offsetHeight; |
---|
1873 | if (mode == 'horizontal') |
---|
1874 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
---|
1875 | element.offsetWidth; |
---|
1876 | }, |
---|
1877 | |
---|
1878 | clone: function(source, target) { |
---|
1879 | source = $(source); |
---|
1880 | target = $(target); |
---|
1881 | target.style.position = 'absolute'; |
---|
1882 | var offsets = this.cumulativeOffset(source); |
---|
1883 | target.style.top = offsets[1] + 'px'; |
---|
1884 | target.style.left = offsets[0] + 'px'; |
---|
1885 | target.style.width = source.offsetWidth + 'px'; |
---|
1886 | target.style.height = source.offsetHeight + 'px'; |
---|
1887 | }, |
---|
1888 | |
---|
1889 | page: function(forElement) { |
---|
1890 | var valueT = 0, valueL = 0; |
---|
1891 | |
---|
1892 | var element = forElement; |
---|
1893 | do { |
---|
1894 | valueT += element.offsetTop || 0; |
---|
1895 | valueL += element.offsetLeft || 0; |
---|
1896 | |
---|
1897 | // Safari fix |
---|
1898 | if (element.offsetParent==document.body) |
---|
1899 | if (Element.getStyle(element,'position')=='absolute') break; |
---|
1900 | |
---|
1901 | } while (element = element.offsetParent); |
---|
1902 | |
---|
1903 | element = forElement; |
---|
1904 | do { |
---|
1905 | valueT -= element.scrollTop || 0; |
---|
1906 | valueL -= element.scrollLeft || 0; |
---|
1907 | } while (element = element.parentNode); |
---|
1908 | |
---|
1909 | return [valueL, valueT]; |
---|
1910 | }, |
---|
1911 | |
---|
1912 | clone: function(source, target) { |
---|
1913 | var options = Object.extend({ |
---|
1914 | setLeft: true, |
---|
1915 | setTop: true, |
---|
1916 | setWidth: true, |
---|
1917 | setHeight: true, |
---|
1918 | offsetTop: 0, |
---|
1919 | offsetLeft: 0 |
---|
1920 | }, arguments[2] || {}) |
---|
1921 | |
---|
1922 | // find page position of source |
---|
1923 | source = $(source); |
---|
1924 | var p = Position.page(source); |
---|
1925 | |
---|
1926 | // find coordinate system to use |
---|
1927 | target = $(target); |
---|
1928 | var delta = [0, 0]; |
---|
1929 | var parent = null; |
---|
1930 | // delta [0,0] will do fine with position: fixed elements, |
---|
1931 | // position:absolute needs offsetParent deltas |
---|
1932 | if (Element.getStyle(target,'position') == 'absolute') { |
---|
1933 | parent = Position.offsetParent(target); |
---|
1934 | delta = Position.page(parent); |
---|
1935 | } |
---|
1936 | |
---|
1937 | // correct by body offsets (fixes Safari) |
---|
1938 | if (parent == document.body) { |
---|
1939 | delta[0] -= document.body.offsetLeft; |
---|
1940 | delta[1] -= document.body.offsetTop; |
---|
1941 | } |
---|
1942 | |
---|
1943 | // set position |
---|
1944 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
---|
1945 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
---|
1946 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
---|
1947 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
---|
1948 | }, |
---|
1949 | |
---|
1950 | absolutize: function(element) { |
---|
1951 | element = $(element); |
---|
1952 | if (element.style.position == 'absolute') return; |
---|
1953 | Position.prepare(); |
---|
1954 | |
---|
1955 | var offsets = Position.positionedOffset(element); |
---|
1956 | var top = offsets[1]; |
---|
1957 | var left = offsets[0]; |
---|
1958 | var width = element.clientWidth; |
---|
1959 | var height = element.clientHeight; |
---|
1960 | |
---|
1961 | element._originalLeft = left - parseFloat(element.style.left || 0); |
---|
1962 | element._originalTop = top - parseFloat(element.style.top || 0); |
---|
1963 | element._originalWidth = element.style.width; |
---|
1964 | element._originalHeight = element.style.height; |
---|
1965 | |
---|
1966 | element.style.position = 'absolute'; |
---|
1967 | element.style.top = top + 'px';; |
---|
1968 | element.style.left = left + 'px';; |
---|
1969 | element.style.width = width + 'px';; |
---|
1970 | element.style.height = height + 'px';; |
---|
1971 | }, |
---|
1972 | |
---|
1973 | relativize: function(element) { |
---|
1974 | element = $(element); |
---|
1975 | if (element.style.position == 'relative') return; |
---|
1976 | Position.prepare(); |
---|
1977 | |
---|
1978 | element.style.position = 'relative'; |
---|
1979 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
---|
1980 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
---|
1981 | |
---|
1982 | element.style.top = top + 'px'; |
---|
1983 | element.style.left = left + 'px'; |
---|
1984 | element.style.height = element._originalHeight; |
---|
1985 | element.style.width = element._originalWidth; |
---|
1986 | } |
---|
1987 | } |
---|
1988 | |
---|
1989 | // Safari returns margins on body which is incorrect if the child is absolutely |
---|
1990 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
---|
1991 | // KHTML/WebKit only. |
---|
1992 | if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { |
---|
1993 | Position.cumulativeOffset = function(element) { |
---|
1994 | var valueT = 0, valueL = 0; |
---|
1995 | do { |
---|
1996 | valueT += element.offsetTop || 0; |
---|
1997 | valueL += element.offsetLeft || 0; |
---|
1998 | if (element.offsetParent == document.body) |
---|
1999 | if (Element.getStyle(element, 'position') == 'absolute') break; |
---|
2000 | |
---|
2001 | element = element.offsetParent; |
---|
2002 | } while (element); |
---|
2003 | |
---|
2004 | return [valueL, valueT]; |
---|
2005 | } |
---|
2006 | } |
---|