1 | /* Prototype JavaScript framework, version 1.6.0.3
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2 | * (c) 2005-2008 Sam Stephenson
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3 | *
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4 | * Prototype is freely distributable under the terms of an MIT-style license.
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5 | * For details, see the Prototype web site: http://www.prototypejs.org/
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6 | *
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7 | *--------------------------------------------------------------------------*/
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8 |
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9 | var Prototype = {
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10 | Version: '1.6.0.3',
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11 |
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12 | Browser: {
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13 | IE: !!(window.attachEvent &&
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14 | navigator.userAgent.indexOf('Opera') === -1),
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15 | Opera: navigator.userAgent.indexOf('Opera') > -1,
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16 | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
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17 | Gecko: navigator.userAgent.indexOf('Gecko') > -1 &&
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18 | navigator.userAgent.indexOf('KHTML') === -1,
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19 | MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
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20 | },
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21 |
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22 | BrowserFeatures: {
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23 | XPath: !!document.evaluate,
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24 | SelectorsAPI: !!document.querySelector,
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25 | ElementExtensions: !!window.HTMLElement,
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26 | SpecificElementExtensions:
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27 | document.createElement('div')['__proto__'] &&
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28 | document.createElement('div')['__proto__'] !==
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29 | document.createElement('form')['__proto__']
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30 | },
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31 |
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32 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
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33 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
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34 |
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35 | emptyFunction: function() { },
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36 | K: function(x) { return x }
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37 | };
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38 |
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39 | if (Prototype.Browser.MobileSafari)
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40 | Prototype.BrowserFeatures.SpecificElementExtensions = false;
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41 |
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42 |
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43 | /* Based on Alex Arnell's inheritance implementation. */
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44 | var Class = {
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45 | create: function() {
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46 | var parent = null, properties = $A(arguments);
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47 | if (Object.isFunction(properties[0]))
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48 | parent = properties.shift();
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49 |
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50 | function klass() {
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51 | this.initialize.apply(this, arguments);
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52 | }
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53 |
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54 | Object.extend(klass, Class.Methods);
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55 | klass.superclass = parent;
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56 | klass.subclasses = [];
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57 |
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58 | if (parent) {
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59 | var subclass = function() { };
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60 | subclass.prototype = parent.prototype;
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61 | klass.prototype = new subclass;
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62 | parent.subclasses.push(klass);
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63 | }
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64 |
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65 | for (var i = 0; i < properties.length; i++)
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66 | klass.addMethods(properties[i]);
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67 |
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68 | if (!klass.prototype.initialize)
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69 | klass.prototype.initialize = Prototype.emptyFunction;
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70 |
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71 | klass.prototype.constructor = klass;
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72 |
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73 | return klass;
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74 | }
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75 | };
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76 |
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77 | Class.Methods = {
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78 | addMethods: function(source) {
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79 | var ancestor = this.superclass && this.superclass.prototype;
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80 | var properties = Object.keys(source);
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81 |
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82 | if (!Object.keys({ toString: true }).length)
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83 | properties.push("toString", "valueOf");
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84 |
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85 | for (var i = 0, length = properties.length; i < length; i++) {
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86 | var property = properties[i], value = source[property];
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87 | if (ancestor && Object.isFunction(value) &&
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88 | value.argumentNames().first() == "$super") {
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89 | var method = value;
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90 | value = (function(m) {
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91 | return function() { return ancestor[m].apply(this, arguments) };
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92 | })(property).wrap(method);
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93 |
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94 | value.valueOf = method.valueOf.bind(method);
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95 | value.toString = method.toString.bind(method);
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96 | }
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97 | this.prototype[property] = value;
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98 | }
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99 |
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100 | return this;
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101 | }
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102 | };
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103 |
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104 | var Abstract = { };
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105 |
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106 | Object.extend = function(destination, source) {
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107 | for (var property in source)
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108 | destination[property] = source[property];
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109 | return destination;
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110 | };
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111 |
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112 | Object.extend(Object, {
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113 | inspect: function(object) {
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114 | try {
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115 | if (Object.isUndefined(object)) return 'undefined';
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116 | if (object === null) return 'null';
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117 | return object.inspect ? object.inspect() : String(object);
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118 | } catch (e) {
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119 | if (e instanceof RangeError) return '...';
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120 | throw e;
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121 | }
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122 | },
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123 |
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124 | toJSON: function(object) {
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125 | var type = typeof object;
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126 | switch (type) {
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127 | case 'undefined':
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128 | case 'function':
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129 | case 'unknown': return;
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130 | case 'boolean': return object.toString();
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131 | }
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132 |
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133 | if (object === null) return 'null';
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134 | if (object.toJSON) return object.toJSON();
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135 | if (Object.isElement(object)) return;
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136 |
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137 | var results = [];
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138 | for (var property in object) {
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139 | var value = Object.toJSON(object[property]);
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140 | if (!Object.isUndefined(value))
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141 | results.push(property.toJSON() + ': ' + value);
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142 | }
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143 |
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144 | return '{' + results.join(', ') + '}';
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145 | },
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146 |
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147 | toQueryString: function(object) {
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148 | return $H(object).toQueryString();
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149 | },
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150 |
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151 | toHTML: function(object) {
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152 | return object && object.toHTML ? object.toHTML() : String.interpret(object);
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153 | },
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154 |
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155 | keys: function(object) {
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156 | var keys = [];
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157 | for (var property in object)
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158 | keys.push(property);
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159 | return keys;
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160 | },
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161 |
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162 | values: function(object) {
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163 | var values = [];
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164 | for (var property in object)
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165 | values.push(object[property]);
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166 | return values;
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167 | },
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168 |
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169 | clone: function(object) {
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170 | return Object.extend({ }, object);
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171 | },
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172 |
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173 | isElement: function(object) {
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174 | return !!(object && object.nodeType == 1);
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175 | },
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176 |
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177 | isArray: function(object) {
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178 | return object != null && typeof object == "object" &&
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179 | 'splice' in object && 'join' in object;
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180 | },
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181 |
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182 | isHash: function(object) {
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183 | return object instanceof Hash;
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184 | },
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185 |
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186 | isFunction: function(object) {
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187 | return typeof object == "function";
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188 | },
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189 |
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190 | isString: function(object) {
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191 | return typeof object == "string";
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192 | },
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193 |
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194 | isNumber: function(object) {
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195 | return typeof object == "number";
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196 | },
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197 |
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198 | isUndefined: function(object) {
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199 | return typeof object == "undefined";
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200 | }
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201 | });
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202 |
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203 | Object.extend(Function.prototype, {
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204 | argumentNames: function() {
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205 | var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
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206 | .replace(/\s+/g, '').split(',');
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207 | return names.length == 1 && !names[0] ? [] : names;
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208 | },
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209 |
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210 | bind: function() {
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211 | if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
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212 | var __method = this, args = $A(arguments), object = args.shift();
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213 | return function() {
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214 | return __method.apply(object, args.concat($A(arguments)));
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215 | }
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216 | },
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217 |
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218 | bindAsEventListener: function() {
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219 | var __method = this, args = $A(arguments), object = args.shift();
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220 | return function(event) {
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221 | return __method.apply(object, [event || window.event].concat(args));
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222 | }
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223 | },
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224 |
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225 | curry: function() {
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226 | if (!arguments.length) return this;
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227 | var __method = this, args = $A(arguments);
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228 | return function() {
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229 | return __method.apply(this, args.concat($A(arguments)));
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230 | }
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231 | },
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232 |
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233 | delay: function() {
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234 | var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
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235 | return window.setTimeout(function() {
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236 | return __method.apply(__method, args);
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237 | }, timeout);
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238 | },
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239 |
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240 | defer: function() {
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241 | var args = [0.01].concat($A(arguments));
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242 | return this.delay.apply(this, args);
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243 | },
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244 |
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245 | wrap: function(wrapper) {
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246 | var __method = this;
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247 | return function() {
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248 | return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
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249 | }
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250 | },
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251 |
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252 | methodize: function() {
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253 | if (this._methodized) return this._methodized;
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254 | var __method = this;
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255 | return this._methodized = function() {
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256 | return __method.apply(null, [this].concat($A(arguments)));
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257 | };
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258 | }
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259 | });
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260 |
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261 | Date.prototype.toJSON = function() {
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262 | return '"' + this.getUTCFullYear() + '-' +
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263 | (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
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264 | this.getUTCDate().toPaddedString(2) + 'T' +
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265 | this.getUTCHours().toPaddedString(2) + ':' +
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266 | this.getUTCMinutes().toPaddedString(2) + ':' +
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267 | this.getUTCSeconds().toPaddedString(2) + 'Z"';
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268 | };
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269 |
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270 | var Try = {
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271 | these: function() {
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272 | var returnValue;
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273 |
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274 | for (var i = 0, length = arguments.length; i < length; i++) {
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275 | var lambda = arguments[i];
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276 | try {
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277 | returnValue = lambda();
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278 | break;
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279 | } catch (e) { }
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280 | }
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281 |
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282 | return returnValue;
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283 | }
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284 | };
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285 |
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286 | RegExp.prototype.match = RegExp.prototype.test;
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287 |
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288 | RegExp.escape = function(str) {
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289 | return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
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290 | };
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291 |
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292 | /*--------------------------------------------------------------------------*/
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293 |
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294 | var PeriodicalExecuter = Class.create({
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295 | initialize: function(callback, frequency) {
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296 | this.callback = callback;
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297 | this.frequency = frequency;
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298 | this.currentlyExecuting = false;
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299 |
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300 | this.registerCallback();
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301 | },
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302 |
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303 | registerCallback: function() {
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304 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
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305 | },
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306 |
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307 | execute: function() {
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308 | this.callback(this);
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309 | },
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310 |
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311 | stop: function() {
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312 | if (!this.timer) return;
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313 | clearInterval(this.timer);
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314 | this.timer = null;
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315 | },
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316 |
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317 | onTimerEvent: function() {
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318 | if (!this.currentlyExecuting) {
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319 | try {
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320 | this.currentlyExecuting = true;
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321 | this.execute();
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322 | } finally {
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323 | this.currentlyExecuting = false;
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324 | }
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325 | }
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326 | }
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327 | });
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328 | Object.extend(String, {
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329 | interpret: function(value) {
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330 | return value == null ? '' : String(value);
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331 | },
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332 | specialChar: {
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333 | '\b': '\\b',
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334 | '\t': '\\t',
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335 | '\n': '\\n',
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336 | '\f': '\\f',
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337 | '\r': '\\r',
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338 | '\\': '\\\\'
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339 | }
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340 | });
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341 |
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342 | Object.extend(String.prototype, {
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343 | gsub: function(pattern, replacement) {
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344 | var result = '', source = this, match;
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345 | replacement = arguments.callee.prepareReplacement(replacement);
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346 |
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347 | while (source.length > 0) {
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348 | if (match = source.match(pattern)) {
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349 | result += source.slice(0, match.index);
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350 | result += String.interpret(replacement(match));
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351 | source = source.slice(match.index + match[0].length);
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352 | } else {
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353 | result += source, source = '';
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354 | }
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355 | }
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356 | return result;
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357 | },
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358 |
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359 | sub: function(pattern, replacement, count) {
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360 | replacement = this.gsub.prepareReplacement(replacement);
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361 | count = Object.isUndefined(count) ? 1 : count;
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362 |
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363 | return this.gsub(pattern, function(match) {
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364 | if (--count < 0) return match[0];
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365 | return replacement(match);
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366 | });
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367 | },
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368 |
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369 | scan: function(pattern, iterator) {
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370 | this.gsub(pattern, iterator);
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371 | return String(this);
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372 | },
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373 |
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374 | truncate: function(length, truncation) {
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375 | length = length || 30;
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376 | truncation = Object.isUndefined(truncation) ? '...' : truncation;
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377 | return this.length > length ?
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378 | this.slice(0, length - truncation.length) + truncation : String(this);
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379 | },
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380 |
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381 | strip: function() {
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382 | return this.replace(/^\s+/, '').replace(/\s+$/, '');
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383 | },
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384 |
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385 | stripTags: function() {
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386 | return this.replace(/<\/?[^>]+>/gi, '');
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387 | },
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388 |
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389 | stripScripts: function() {
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390 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
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391 | },
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392 |
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393 | extractScripts: function() {
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394 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
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395 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
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396 | return (this.match(matchAll) || []).map(function(scriptTag) {
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397 | return (scriptTag.match(matchOne) || ['', ''])[1];
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398 | });
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399 | },
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400 |
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401 | evalScripts: function() {
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402 | return this.extractScripts().map(function(script) { return eval(script) });
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403 | },
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404 |
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405 | escapeHTML: function() {
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406 | var self = arguments.callee;
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407 | self.text.data = this;
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408 | return self.div.innerHTML;
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409 | },
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410 |
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411 | unescapeHTML: function() {
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412 | var div = new Element('div');
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413 | div.innerHTML = this.stripTags();
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414 | return div.childNodes[0] ? (div.childNodes.length > 1 ?
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415 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
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416 | div.childNodes[0].nodeValue) : '';
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417 | },
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418 |
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419 | toQueryParams: function(separator) {
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420 | var match = this.strip().match(/([^?#]*)(#.*)?$/);
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421 | if (!match) return { };
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422 |
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423 | return match[1].split(separator || '&').inject({ }, function(hash, pair) {
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424 | if ((pair = pair.split('='))[0]) {
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425 | var key = decodeURIComponent(pair.shift());
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426 | var value = pair.length > 1 ? pair.join('=') : pair[0];
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427 | if (value != undefined) value = decodeURIComponent(value);
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428 |
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429 | if (key in hash) {
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430 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
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431 | hash[key].push(value);
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432 | }
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433 | else hash[key] = value;
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434 | }
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435 | return hash;
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436 | });
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437 | },
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438 |
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439 | toArray: function() {
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440 | return this.split('');
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441 | },
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442 |
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443 | succ: function() {
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444 | return this.slice(0, this.length - 1) +
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445 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
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446 | },
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447 |
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448 | times: function(count) {
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449 | return count < 1 ? '' : new Array(count + 1).join(this);
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450 | },
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451 |
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452 | camelize: function() {
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453 | var parts = this.split('-'), len = parts.length;
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454 | if (len == 1) return parts[0];
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455 |
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456 | var camelized = this.charAt(0) == '-'
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457 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
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458 | : parts[0];
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459 |
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460 | for (var i = 1; i < len; i++)
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461 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
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462 |
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463 | return camelized;
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464 | },
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465 |
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466 | capitalize: function() {
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467 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
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468 | },
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469 |
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470 | underscore: function() {
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471 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
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472 | },
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473 |
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474 | dasherize: function() {
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475 | return this.gsub(/_/,'-');
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476 | },
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477 |
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478 | inspect: function(useDoubleQuotes) {
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479 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
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480 | var character = String.specialChar[match[0]];
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481 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
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482 | });
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483 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
|
---|
484 | return "'" + escapedString.replace(/'/g, '\\\'') + "'";
|
---|
485 | },
|
---|
486 |
|
---|
487 | toJSON: function() {
|
---|
488 | return this.inspect(true);
|
---|
489 | },
|
---|
490 |
|
---|
491 | unfilterJSON: function(filter) {
|
---|
492 | return this.sub(filter || Prototype.JSONFilter, '#{1}');
|
---|
493 | },
|
---|
494 |
|
---|
495 | isJSON: function() {
|
---|
496 | var str = this;
|
---|
497 | if (str.blank()) return false;
|
---|
498 | str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
|
---|
499 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
|
---|
500 | },
|
---|
501 |
|
---|
502 | evalJSON: function(sanitize) {
|
---|
503 | var json = this.unfilterJSON();
|
---|
504 | try {
|
---|
505 | if (!sanitize || json.isJSON()) return eval('(' + json + ')');
|
---|
506 | } catch (e) { }
|
---|
507 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
|
---|
508 | },
|
---|
509 |
|
---|
510 | include: function(pattern) {
|
---|
511 | return this.indexOf(pattern) > -1;
|
---|
512 | },
|
---|
513 |
|
---|
514 | startsWith: function(pattern) {
|
---|
515 | return this.indexOf(pattern) === 0;
|
---|
516 | },
|
---|
517 |
|
---|
518 | endsWith: function(pattern) {
|
---|
519 | var d = this.length - pattern.length;
|
---|
520 | return d >= 0 && this.lastIndexOf(pattern) === d;
|
---|
521 | },
|
---|
522 |
|
---|
523 | empty: function() {
|
---|
524 | return this == '';
|
---|
525 | },
|
---|
526 |
|
---|
527 | blank: function() {
|
---|
528 | return /^\s*$/.test(this);
|
---|
529 | },
|
---|
530 |
|
---|
531 | interpolate: function(object, pattern) {
|
---|
532 | return new Template(this, pattern).evaluate(object);
|
---|
533 | }
|
---|
534 | });
|
---|
535 |
|
---|
536 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
|
---|
537 | escapeHTML: function() {
|
---|
538 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
|
---|
539 | },
|
---|
540 | unescapeHTML: function() {
|
---|
541 | return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
|
---|
542 | }
|
---|
543 | });
|
---|
544 |
|
---|
545 | String.prototype.gsub.prepareReplacement = function(replacement) {
|
---|
546 | if (Object.isFunction(replacement)) return replacement;
|
---|
547 | var template = new Template(replacement);
|
---|
548 | return function(match) { return template.evaluate(match) };
|
---|
549 | };
|
---|
550 |
|
---|
551 | String.prototype.parseQuery = String.prototype.toQueryParams;
|
---|
552 |
|
---|
553 | Object.extend(String.prototype.escapeHTML, {
|
---|
554 | div: document.createElement('div'),
|
---|
555 | text: document.createTextNode('')
|
---|
556 | });
|
---|
557 |
|
---|
558 | String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
|
---|
559 |
|
---|
560 | var Template = Class.create({
|
---|
561 | initialize: function(template, pattern) {
|
---|
562 | this.template = template.toString();
|
---|
563 | this.pattern = pattern || Template.Pattern;
|
---|
564 | },
|
---|
565 |
|
---|
566 | evaluate: function(object) {
|
---|
567 | if (Object.isFunction(object.toTemplateReplacements))
|
---|
568 | object = object.toTemplateReplacements();
|
---|
569 |
|
---|
570 | return this.template.gsub(this.pattern, function(match) {
|
---|
571 | if (object == null) return '';
|
---|
572 |
|
---|
573 | var before = match[1] || '';
|
---|
574 | if (before == '\\') return match[2];
|
---|
575 |
|
---|
576 | var ctx = object, expr = match[3];
|
---|
577 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
|
---|
578 | match = pattern.exec(expr);
|
---|
579 | if (match == null) return before;
|
---|
580 |
|
---|
581 | while (match != null) {
|
---|
582 | var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
|
---|
583 | ctx = ctx[comp];
|
---|
584 | if (null == ctx || '' == match[3]) break;
|
---|
585 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
|
---|
586 | match = pattern.exec(expr);
|
---|
587 | }
|
---|
588 |
|
---|
589 | return before + String.interpret(ctx);
|
---|
590 | });
|
---|
591 | }
|
---|
592 | });
|
---|
593 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
|
---|
594 |
|
---|
595 | var $break = { };
|
---|
596 |
|
---|
597 | var Enumerable = {
|
---|
598 | each: function(iterator, context) {
|
---|
599 | var index = 0;
|
---|
600 | try {
|
---|
601 | this._each(function(value) {
|
---|
602 | iterator.call(context, value, index++);
|
---|
603 | });
|
---|
604 | } catch (e) {
|
---|
605 | if (e != $break) throw e;
|
---|
606 | }
|
---|
607 | return this;
|
---|
608 | },
|
---|
609 |
|
---|
610 | eachSlice: function(number, iterator, context) {
|
---|
611 | var index = -number, slices = [], array = this.toArray();
|
---|
612 | if (number < 1) return array;
|
---|
613 | while ((index += number) < array.length)
|
---|
614 | slices.push(array.slice(index, index+number));
|
---|
615 | return slices.collect(iterator, context);
|
---|
616 | },
|
---|
617 |
|
---|
618 | all: function(iterator, context) {
|
---|
619 | iterator = iterator || Prototype.K;
|
---|
620 | var result = true;
|
---|
621 | this.each(function(value, index) {
|
---|
622 | result = result && !!iterator.call(context, value, index);
|
---|
623 | if (!result) throw $break;
|
---|
624 | });
|
---|
625 | return result;
|
---|
626 | },
|
---|
627 |
|
---|
628 | any: function(iterator, context) {
|
---|
629 | iterator = iterator || Prototype.K;
|
---|
630 | var result = false;
|
---|
631 | this.each(function(value, index) {
|
---|
632 | if (result = !!iterator.call(context, value, index))
|
---|
633 | throw $break;
|
---|
634 | });
|
---|
635 | return result;
|
---|
636 | },
|
---|
637 |
|
---|
638 | collect: function(iterator, context) {
|
---|
639 | iterator = iterator || Prototype.K;
|
---|
640 | var results = [];
|
---|
641 | this.each(function(value, index) {
|
---|
642 | results.push(iterator.call(context, value, index));
|
---|
643 | });
|
---|
644 | return results;
|
---|
645 | },
|
---|
646 |
|
---|
647 | detect: function(iterator, context) {
|
---|
648 | var result;
|
---|
649 | this.each(function(value, index) {
|
---|
650 | if (iterator.call(context, value, index)) {
|
---|
651 | result = value;
|
---|
652 | throw $break;
|
---|
653 | }
|
---|
654 | });
|
---|
655 | return result;
|
---|
656 | },
|
---|
657 |
|
---|
658 | findAll: function(iterator, context) {
|
---|
659 | var results = [];
|
---|
660 | this.each(function(value, index) {
|
---|
661 | if (iterator.call(context, value, index))
|
---|
662 | results.push(value);
|
---|
663 | });
|
---|
664 | return results;
|
---|
665 | },
|
---|
666 |
|
---|
667 | grep: function(filter, iterator, context) {
|
---|
668 | iterator = iterator || Prototype.K;
|
---|
669 | var results = [];
|
---|
670 |
|
---|
671 | if (Object.isString(filter))
|
---|
672 | filter = new RegExp(filter);
|
---|
673 |
|
---|
674 | this.each(function(value, index) {
|
---|
675 | if (filter.match(value))
|
---|
676 | results.push(iterator.call(context, value, index));
|
---|
677 | });
|
---|
678 | return results;
|
---|
679 | },
|
---|
680 |
|
---|
681 | include: function(object) {
|
---|
682 | if (Object.isFunction(this.indexOf))
|
---|
683 | if (this.indexOf(object) != -1) return true;
|
---|
684 |
|
---|
685 | var found = false;
|
---|
686 | this.each(function(value) {
|
---|
687 | if (value == object) {
|
---|
688 | found = true;
|
---|
689 | throw $break;
|
---|
690 | }
|
---|
691 | });
|
---|
692 | return found;
|
---|
693 | },
|
---|
694 |
|
---|
695 | inGroupsOf: function(number, fillWith) {
|
---|
696 | fillWith = Object.isUndefined(fillWith) ? null : fillWith;
|
---|
697 | return this.eachSlice(number, function(slice) {
|
---|
698 | while(slice.length < number) slice.push(fillWith);
|
---|
699 | return slice;
|
---|
700 | });
|
---|
701 | },
|
---|
702 |
|
---|
703 | inject: function(memo, iterator, context) {
|
---|
704 | this.each(function(value, index) {
|
---|
705 | memo = iterator.call(context, memo, value, index);
|
---|
706 | });
|
---|
707 | return memo;
|
---|
708 | },
|
---|
709 |
|
---|
710 | invoke: function(method) {
|
---|
711 | var args = $A(arguments).slice(1);
|
---|
712 | return this.map(function(value) {
|
---|
713 | return value[method].apply(value, args);
|
---|
714 | });
|
---|
715 | },
|
---|
716 |
|
---|
717 | max: function(iterator, context) {
|
---|
718 | iterator = iterator || Prototype.K;
|
---|
719 | var result;
|
---|
720 | this.each(function(value, index) {
|
---|
721 | value = iterator.call(context, value, index);
|
---|
722 | if (result == null || value >= result)
|
---|
723 | result = value;
|
---|
724 | });
|
---|
725 | return result;
|
---|
726 | },
|
---|
727 |
|
---|
728 | min: function(iterator, context) {
|
---|
729 | iterator = iterator || Prototype.K;
|
---|
730 | var result;
|
---|
731 | this.each(function(value, index) {
|
---|
732 | value = iterator.call(context, value, index);
|
---|
733 | if (result == null || value < result)
|
---|
734 | result = value;
|
---|
735 | });
|
---|
736 | return result;
|
---|
737 | },
|
---|
738 |
|
---|
739 | partition: function(iterator, context) {
|
---|
740 | iterator = iterator || Prototype.K;
|
---|
741 | var trues = [], falses = [];
|
---|
742 | this.each(function(value, index) {
|
---|
743 | (iterator.call(context, value, index) ?
|
---|
744 | trues : falses).push(value);
|
---|
745 | });
|
---|
746 | return [trues, falses];
|
---|
747 | },
|
---|
748 |
|
---|
749 | pluck: function(property) {
|
---|
750 | var results = [];
|
---|
751 | this.each(function(value) {
|
---|
752 | results.push(value[property]);
|
---|
753 | });
|
---|
754 | return results;
|
---|
755 | },
|
---|
756 |
|
---|
757 | reject: function(iterator, context) {
|
---|
758 | var results = [];
|
---|
759 | this.each(function(value, index) {
|
---|
760 | if (!iterator.call(context, value, index))
|
---|
761 | results.push(value);
|
---|
762 | });
|
---|
763 | return results;
|
---|
764 | },
|
---|
765 |
|
---|
766 | sortBy: function(iterator, context) {
|
---|
767 | return this.map(function(value, index) {
|
---|
768 | return {
|
---|
769 | value: value,
|
---|
770 | criteria: iterator.call(context, value, index)
|
---|
771 | };
|
---|
772 | }).sort(function(left, right) {
|
---|
773 | var a = left.criteria, b = right.criteria;
|
---|
774 | return a < b ? -1 : a > b ? 1 : 0;
|
---|
775 | }).pluck('value');
|
---|
776 | },
|
---|
777 |
|
---|
778 | toArray: function() {
|
---|
779 | return this.map();
|
---|
780 | },
|
---|
781 |
|
---|
782 | zip: function() {
|
---|
783 | var iterator = Prototype.K, args = $A(arguments);
|
---|
784 | if (Object.isFunction(args.last()))
|
---|
785 | iterator = args.pop();
|
---|
786 |
|
---|
787 | var collections = [this].concat(args).map($A);
|
---|
788 | return this.map(function(value, index) {
|
---|
789 | return iterator(collections.pluck(index));
|
---|
790 | });
|
---|
791 | },
|
---|
792 |
|
---|
793 | size: function() {
|
---|
794 | return this.toArray().length;
|
---|
795 | },
|
---|
796 |
|
---|
797 | inspect: function() {
|
---|
798 | return '#<Enumerable:' + this.toArray().inspect() + '>';
|
---|
799 | }
|
---|
800 | };
|
---|
801 |
|
---|
802 | Object.extend(Enumerable, {
|
---|
803 | map: Enumerable.collect,
|
---|
804 | find: Enumerable.detect,
|
---|
805 | select: Enumerable.findAll,
|
---|
806 | filter: Enumerable.findAll,
|
---|
807 | member: Enumerable.include,
|
---|
808 | entries: Enumerable.toArray,
|
---|
809 | every: Enumerable.all,
|
---|
810 | some: Enumerable.any
|
---|
811 | });
|
---|
812 | function $A(iterable) {
|
---|
813 | if (!iterable) return [];
|
---|
814 | if (iterable.toArray) return iterable.toArray();
|
---|
815 | var length = iterable.length || 0, results = new Array(length);
|
---|
816 | while (length--) results[length] = iterable[length];
|
---|
817 | return results;
|
---|
818 | }
|
---|
819 |
|
---|
820 | if (Prototype.Browser.WebKit) {
|
---|
821 | $A = function(iterable) {
|
---|
822 | if (!iterable) return [];
|
---|
823 | // In Safari, only use the `toArray` method if it's not a NodeList.
|
---|
824 | // A NodeList is a function, has an function `item` property, and a numeric
|
---|
825 | // `length` property. Adapted from Google Doctype.
|
---|
826 | if (!(typeof iterable === 'function' && typeof iterable.length ===
|
---|
827 | 'number' && typeof iterable.item === 'function') && iterable.toArray)
|
---|
828 | return iterable.toArray();
|
---|
829 | var length = iterable.length || 0, results = new Array(length);
|
---|
830 | while (length--) results[length] = iterable[length];
|
---|
831 | return results;
|
---|
832 | };
|
---|
833 | }
|
---|
834 |
|
---|
835 | Array.from = $A;
|
---|
836 |
|
---|
837 | Object.extend(Array.prototype, Enumerable);
|
---|
838 |
|
---|
839 | if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;
|
---|
840 |
|
---|
841 | Object.extend(Array.prototype, {
|
---|
842 | _each: function(iterator) {
|
---|
843 | for (var i = 0, length = this.length; i < length; i++)
|
---|
844 | iterator(this[i]);
|
---|
845 | },
|
---|
846 |
|
---|
847 | clear: function() {
|
---|
848 | this.length = 0;
|
---|
849 | return this;
|
---|
850 | },
|
---|
851 |
|
---|
852 | first: function() {
|
---|
853 | return this[0];
|
---|
854 | },
|
---|
855 |
|
---|
856 | last: function() {
|
---|
857 | return this[this.length - 1];
|
---|
858 | },
|
---|
859 |
|
---|
860 | compact: function() {
|
---|
861 | return this.select(function(value) {
|
---|
862 | return value != null;
|
---|
863 | });
|
---|
864 | },
|
---|
865 |
|
---|
866 | flatten: function() {
|
---|
867 | return this.inject([], function(array, value) {
|
---|
868 | return array.concat(Object.isArray(value) ?
|
---|
869 | value.flatten() : [value]);
|
---|
870 | });
|
---|
871 | },
|
---|
872 |
|
---|
873 | without: function() {
|
---|
874 | var values = $A(arguments);
|
---|
875 | return this.select(function(value) {
|
---|
876 | return !values.include(value);
|
---|
877 | });
|
---|
878 | },
|
---|
879 |
|
---|
880 | reverse: function(inline) {
|
---|
881 | return (inline !== false ? this : this.toArray())._reverse();
|
---|
882 | },
|
---|
883 |
|
---|
884 | reduce: function() {
|
---|
885 | return this.length > 1 ? this : this[0];
|
---|
886 | },
|
---|
887 |
|
---|
888 | uniq: function(sorted) {
|
---|
889 | return this.inject([], function(array, value, index) {
|
---|
890 | if (0 == index || (sorted ? array.last() != value : !array.include(value)))
|
---|
891 | array.push(value);
|
---|
892 | return array;
|
---|
893 | });
|
---|
894 | },
|
---|
895 |
|
---|
896 | intersect: function(array) {
|
---|
897 | return this.uniq().findAll(function(item) {
|
---|
898 | return array.detect(function(value) { return item === value });
|
---|
899 | });
|
---|
900 | },
|
---|
901 |
|
---|
902 | clone: function() {
|
---|
903 | return [].concat(this);
|
---|
904 | },
|
---|
905 |
|
---|
906 | size: function() {
|
---|
907 | return this.length;
|
---|
908 | },
|
---|
909 |
|
---|
910 | inspect: function() {
|
---|
911 | return '[' + this.map(Object.inspect).join(', ') + ']';
|
---|
912 | },
|
---|
913 |
|
---|
914 | toJSON: function() {
|
---|
915 | var results = [];
|
---|
916 | this.each(function(object) {
|
---|
917 | var value = Object.toJSON(object);
|
---|
918 | if (!Object.isUndefined(value)) results.push(value);
|
---|
919 | });
|
---|
920 | return '[' + results.join(', ') + ']';
|
---|
921 | }
|
---|
922 | });
|
---|
923 |
|
---|
924 | // use native browser JS 1.6 implementation if available
|
---|
925 | if (Object.isFunction(Array.prototype.forEach))
|
---|
926 | Array.prototype._each = Array.prototype.forEach;
|
---|
927 |
|
---|
928 | if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
|
---|
929 | i || (i = 0);
|
---|
930 | var length = this.length;
|
---|
931 | if (i < 0) i = length + i;
|
---|
932 | for (; i < length; i++)
|
---|
933 | if (this[i] === item) return i;
|
---|
934 | return -1;
|
---|
935 | };
|
---|
936 |
|
---|
937 | if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
|
---|
938 | i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
|
---|
939 | var n = this.slice(0, i).reverse().indexOf(item);
|
---|
940 | return (n < 0) ? n : i - n - 1;
|
---|
941 | };
|
---|
942 |
|
---|
943 | Array.prototype.toArray = Array.prototype.clone;
|
---|
944 |
|
---|
945 | function $w(string) {
|
---|
946 | if (!Object.isString(string)) return [];
|
---|
947 | string = string.strip();
|
---|
948 | return string ? string.split(/\s+/) : [];
|
---|
949 | }
|
---|
950 |
|
---|
951 | if (Prototype.Browser.Opera){
|
---|
952 | Array.prototype.concat = function() {
|
---|
953 | var array = [];
|
---|
954 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
|
---|
955 | for (var i = 0, length = arguments.length; i < length; i++) {
|
---|
956 | if (Object.isArray(arguments[i])) {
|
---|
957 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
|
---|
958 | array.push(arguments[i][j]);
|
---|
959 | } else {
|
---|
960 | array.push(arguments[i]);
|
---|
961 | }
|
---|
962 | }
|
---|
963 | return array;
|
---|
964 | };
|
---|
965 | }
|
---|
966 | Object.extend(Number.prototype, {
|
---|
967 | toColorPart: function() {
|
---|
968 | return this.toPaddedString(2, 16);
|
---|
969 | },
|
---|
970 |
|
---|
971 | succ: function() {
|
---|
972 | return this + 1;
|
---|
973 | },
|
---|
974 |
|
---|
975 | times: function(iterator, context) {
|
---|
976 | $R(0, this, true).each(iterator, context);
|
---|
977 | return this;
|
---|
978 | },
|
---|
979 |
|
---|
980 | toPaddedString: function(length, radix) {
|
---|
981 | var string = this.toString(radix || 10);
|
---|
982 | return '0'.times(length - string.length) + string;
|
---|
983 | },
|
---|
984 |
|
---|
985 | toJSON: function() {
|
---|
986 | return isFinite(this) ? this.toString() : 'null';
|
---|
987 | }
|
---|
988 | });
|
---|
989 |
|
---|
990 | $w('abs round ceil floor').each(function(method){
|
---|
991 | Number.prototype[method] = Math[method].methodize();
|
---|
992 | });
|
---|
993 | function $H(object) {
|
---|
994 | return new Hash(object);
|
---|
995 | };
|
---|
996 |
|
---|
997 | var Hash = Class.create(Enumerable, (function() {
|
---|
998 |
|
---|
999 | function toQueryPair(key, value) {
|
---|
1000 | if (Object.isUndefined(value)) return key;
|
---|
1001 | return key + '=' + encodeURIComponent(String.interpret(value));
|
---|
1002 | }
|
---|
1003 |
|
---|
1004 | return {
|
---|
1005 | initialize: function(object) {
|
---|
1006 | this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
|
---|
1007 | },
|
---|
1008 |
|
---|
1009 | _each: function(iterator) {
|
---|
1010 | for (var key in this._object) {
|
---|
1011 | var value = this._object[key], pair = [key, value];
|
---|
1012 | pair.key = key;
|
---|
1013 | pair.value = value;
|
---|
1014 | iterator(pair);
|
---|
1015 | }
|
---|
1016 | },
|
---|
1017 |
|
---|
1018 | set: function(key, value) {
|
---|
1019 | return this._object[key] = value;
|
---|
1020 | },
|
---|
1021 |
|
---|
1022 | get: function(key) {
|
---|
1023 | // simulating poorly supported hasOwnProperty
|
---|
1024 | if (this._object[key] !== Object.prototype[key])
|
---|
1025 | return this._object[key];
|
---|
1026 | },
|
---|
1027 |
|
---|
1028 | unset: function(key) {
|
---|
1029 | var value = this._object[key];
|
---|
1030 | delete this._object[key];
|
---|
1031 | return value;
|
---|
1032 | },
|
---|
1033 |
|
---|
1034 | toObject: function() {
|
---|
1035 | return Object.clone(this._object);
|
---|
1036 | },
|
---|
1037 |
|
---|
1038 | keys: function() {
|
---|
1039 | return this.pluck('key');
|
---|
1040 | },
|
---|
1041 |
|
---|
1042 | values: function() {
|
---|
1043 | return this.pluck('value');
|
---|
1044 | },
|
---|
1045 |
|
---|
1046 | index: function(value) {
|
---|
1047 | var match = this.detect(function(pair) {
|
---|
1048 | return pair.value === value;
|
---|
1049 | });
|
---|
1050 | return match && match.key;
|
---|
1051 | },
|
---|
1052 |
|
---|
1053 | merge: function(object) {
|
---|
1054 | return this.clone().update(object);
|
---|
1055 | },
|
---|
1056 |
|
---|
1057 | update: function(object) {
|
---|
1058 | return new Hash(object).inject(this, function(result, pair) {
|
---|
1059 | result.set(pair.key, pair.value);
|
---|
1060 | return result;
|
---|
1061 | });
|
---|
1062 | },
|
---|
1063 |
|
---|
1064 | toQueryString: function() {
|
---|
1065 | return this.inject([], function(results, pair) {
|
---|
1066 | var key = encodeURIComponent(pair.key), values = pair.value;
|
---|
1067 |
|
---|
1068 | if (values && typeof values == 'object') {
|
---|
1069 | if (Object.isArray(values))
|
---|
1070 | return results.concat(values.map(toQueryPair.curry(key)));
|
---|
1071 | } else results.push(toQueryPair(key, values));
|
---|
1072 | return results;
|
---|
1073 | }).join('&');
|
---|
1074 | },
|
---|
1075 |
|
---|
1076 | inspect: function() {
|
---|
1077 | return '#<Hash:{' + this.map(function(pair) {
|
---|
1078 | return pair.map(Object.inspect).join(': ');
|
---|
1079 | }).join(', ') + '}>';
|
---|
1080 | },
|
---|
1081 |
|
---|
1082 | toJSON: function() {
|
---|
1083 | return Object.toJSON(this.toObject());
|
---|
1084 | },
|
---|
1085 |
|
---|
1086 | clone: function() {
|
---|
1087 | return new Hash(this);
|
---|
1088 | }
|
---|
1089 | }
|
---|
1090 | })());
|
---|
1091 |
|
---|
1092 | Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
|
---|
1093 | Hash.from = $H;
|
---|
1094 | var ObjectRange = Class.create(Enumerable, {
|
---|
1095 | initialize: function(start, end, exclusive) {
|
---|
1096 | this.start = start;
|
---|
1097 | this.end = end;
|
---|
1098 | this.exclusive = exclusive;
|
---|
1099 | },
|
---|
1100 |
|
---|
1101 | _each: function(iterator) {
|
---|
1102 | var value = this.start;
|
---|
1103 | while (this.include(value)) {
|
---|
1104 | iterator(value);
|
---|
1105 | value = value.succ();
|
---|
1106 | }
|
---|
1107 | },
|
---|
1108 |
|
---|
1109 | include: function(value) {
|
---|
1110 | if (value < this.start)
|
---|
1111 | return false;
|
---|
1112 | if (this.exclusive)
|
---|
1113 | return value < this.end;
|
---|
1114 | return value <= this.end;
|
---|
1115 | }
|
---|
1116 | });
|
---|
1117 |
|
---|
1118 | var $R = function(start, end, exclusive) {
|
---|
1119 | return new ObjectRange(start, end, exclusive);
|
---|
1120 | };
|
---|
1121 |
|
---|
1122 | var Ajax = {
|
---|
1123 | getTransport: function() {
|
---|
1124 | return Try.these(
|
---|
1125 | function() {return new XMLHttpRequest()},
|
---|
1126 | function() {return new ActiveXObject('Msxml2.XMLHTTP')},
|
---|
1127 | function() {return new ActiveXObject('Microsoft.XMLHTTP')}
|
---|
1128 | ) || false;
|
---|
1129 | },
|
---|
1130 |
|
---|
1131 | activeRequestCount: 0
|
---|
1132 | };
|
---|
1133 |
|
---|
1134 | Ajax.Responders = {
|
---|
1135 | responders: [],
|
---|
1136 |
|
---|
1137 | _each: function(iterator) {
|
---|
1138 | this.responders._each(iterator);
|
---|
1139 | },
|
---|
1140 |
|
---|
1141 | register: function(responder) {
|
---|
1142 | if (!this.include(responder))
|
---|
1143 | this.responders.push(responder);
|
---|
1144 | },
|
---|
1145 |
|
---|
1146 | unregister: function(responder) {
|
---|
1147 | this.responders = this.responders.without(responder);
|
---|
1148 | },
|
---|
1149 |
|
---|
1150 | dispatch: function(callback, request, transport, json) {
|
---|
1151 | this.each(function(responder) {
|
---|
1152 | if (Object.isFunction(responder[callback])) {
|
---|
1153 | try {
|
---|
1154 | responder[callback].apply(responder, [request, transport, json]);
|
---|
1155 | } catch (e) { }
|
---|
1156 | }
|
---|
1157 | });
|
---|
1158 | }
|
---|
1159 | };
|
---|
1160 |
|
---|
1161 | Object.extend(Ajax.Responders, Enumerable);
|
---|
1162 |
|
---|
1163 | Ajax.Responders.register({
|
---|
1164 | onCreate: function() { Ajax.activeRequestCount++ },
|
---|
1165 | onComplete: function() { Ajax.activeRequestCount-- }
|
---|
1166 | });
|
---|
1167 |
|
---|
1168 | Ajax.Base = Class.create({
|
---|
1169 | initialize: function(options) {
|
---|
1170 | this.options = {
|
---|
1171 | method: 'post',
|
---|
1172 | asynchronous: true,
|
---|
1173 | contentType: 'application/x-www-form-urlencoded',
|
---|
1174 | encoding: 'UTF-8',
|
---|
1175 | parameters: '',
|
---|
1176 | evalJSON: true,
|
---|
1177 | evalJS: true
|
---|
1178 | };
|
---|
1179 | Object.extend(this.options, options || { });
|
---|
1180 |
|
---|
1181 | this.options.method = this.options.method.toLowerCase();
|
---|
1182 |
|
---|
1183 | if (Object.isString(this.options.parameters))
|
---|
1184 | this.options.parameters = this.options.parameters.toQueryParams();
|
---|
1185 | else if (Object.isHash(this.options.parameters))
|
---|
1186 | this.options.parameters = this.options.parameters.toObject();
|
---|
1187 | }
|
---|
1188 | });
|
---|
1189 |
|
---|
1190 | Ajax.Request = Class.create(Ajax.Base, {
|
---|
1191 | _complete: false,
|
---|
1192 |
|
---|
1193 | initialize: function($super, url, options) {
|
---|
1194 | $super(options);
|
---|
1195 | this.transport = Ajax.getTransport();
|
---|
1196 | this.request(url);
|
---|
1197 | },
|
---|
1198 |
|
---|
1199 | request: function(url) {
|
---|
1200 | this.url = url;
|
---|
1201 | this.method = this.options.method;
|
---|
1202 | var params = Object.clone(this.options.parameters);
|
---|
1203 |
|
---|
1204 | if (!['get', 'post'].include(this.method)) {
|
---|
1205 | // simulate other verbs over post
|
---|
1206 | params['_method'] = this.method;
|
---|
1207 | this.method = 'post';
|
---|
1208 | }
|
---|
1209 |
|
---|
1210 | this.parameters = params;
|
---|
1211 |
|
---|
1212 | if (params = Object.toQueryString(params)) {
|
---|
1213 | // when GET, append parameters to URL
|
---|
1214 | if (this.method == 'get')
|
---|
1215 | this.url += (this.url.include('?') ? '&' : '?') + params;
|
---|
1216 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
|
---|
1217 | params += '&_=';
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 | try {
|
---|
1221 | var response = new Ajax.Response(this);
|
---|
1222 | if (this.options.onCreate) this.options.onCreate(response);
|
---|
1223 | Ajax.Responders.dispatch('onCreate', this, response);
|
---|
1224 |
|
---|
1225 | this.transport.open(this.method.toUpperCase(), this.url,
|
---|
1226 | this.options.asynchronous);
|
---|
1227 |
|
---|
1228 | if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
|
---|
1229 |
|
---|
1230 | this.transport.onreadystatechange = this.onStateChange.bind(this);
|
---|
1231 | this.setRequestHeaders();
|
---|
1232 |
|
---|
1233 | this.body = this.method == 'post' ? (this.options.postBody || params) : null;
|
---|
1234 | this.transport.send(this.body);
|
---|
1235 |
|
---|
1236 | /* Force Firefox to handle ready state 4 for synchronous requests */
|
---|
1237 | if (!this.options.asynchronous && this.transport.overrideMimeType)
|
---|
1238 | this.onStateChange();
|
---|
1239 |
|
---|
1240 | }
|
---|
1241 | catch (e) {
|
---|
1242 | this.dispatchException(e);
|
---|
1243 | }
|
---|
1244 | },
|
---|
1245 |
|
---|
1246 | onStateChange: function() {
|
---|
1247 | var readyState = this.transport.readyState;
|
---|
1248 | if (readyState > 1 && !((readyState == 4) && this._complete))
|
---|
1249 | this.respondToReadyState(this.transport.readyState);
|
---|
1250 | },
|
---|
1251 |
|
---|
1252 | setRequestHeaders: function() {
|
---|
1253 | var headers = {
|
---|
1254 | 'X-Requested-With': 'XMLHttpRequest',
|
---|
1255 | 'X-Prototype-Version': Prototype.Version,
|
---|
1256 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
|
---|
1257 | };
|
---|
1258 |
|
---|
1259 | if (this.method == 'post') {
|
---|
1260 | headers['Content-type'] = this.options.contentType +
|
---|
1261 | (this.options.encoding ? '; charset=' + this.options.encoding : '');
|
---|
1262 |
|
---|
1263 | /* Force "Connection: close" for older Mozilla browsers to work
|
---|
1264 | * around a bug where XMLHttpRequest sends an incorrect
|
---|
1265 | * Content-length header. See Mozilla Bugzilla #246651.
|
---|
1266 | */
|
---|
1267 | if (this.transport.overrideMimeType &&
|
---|
1268 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
|
---|
1269 | headers['Connection'] = 'close';
|
---|
1270 | }
|
---|
1271 |
|
---|
1272 | // user-defined headers
|
---|
1273 | if (typeof this.options.requestHeaders == 'object') {
|
---|
1274 | var extras = this.options.requestHeaders;
|
---|
1275 |
|
---|
1276 | if (Object.isFunction(extras.push))
|
---|
1277 | for (var i = 0, length = extras.length; i < length; i += 2)
|
---|
1278 | headers[extras[i]] = extras[i+1];
|
---|
1279 | else
|
---|
1280 | $H(extras).each(function(pair) { headers[pair.key] = pair.value });
|
---|
1281 | }
|
---|
1282 |
|
---|
1283 | for (var name in headers)
|
---|
1284 | this.transport.setRequestHeader(name, headers[name]);
|
---|
1285 | },
|
---|
1286 |
|
---|
1287 | success: function() {
|
---|
1288 | var status = this.getStatus();
|
---|
1289 | return !status || (status >= 200 && status < 300);
|
---|
1290 | },
|
---|
1291 |
|
---|
1292 | getStatus: function() {
|
---|
1293 | try {
|
---|
1294 | return this.transport.status || 0;
|
---|
1295 | } catch (e) { return 0 }
|
---|
1296 | },
|
---|
1297 |
|
---|
1298 | respondToReadyState: function(readyState) {
|
---|
1299 | var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
|
---|
1300 |
|
---|
1301 | if (state == 'Complete') {
|
---|
1302 | try {
|
---|
1303 | this._complete = true;
|
---|
1304 | (this.options['on' + response.status]
|
---|
1305 | || this.options['on' + (this.success() ? 'Success' : 'Failure')]
|
---|
1306 | || Prototype.emptyFunction)(response, response.headerJSON);
|
---|
1307 | } catch (e) {
|
---|
1308 | this.dispatchException(e);
|
---|
1309 | }
|
---|
1310 |
|
---|
1311 | var contentType = response.getHeader('Content-type');
|
---|
1312 | if (this.options.evalJS == 'force'
|
---|
1313 | || (this.options.evalJS && this.isSameOrigin() && contentType
|
---|
1314 | && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
|
---|
1315 | this.evalResponse();
|
---|
1316 | }
|
---|
1317 |
|
---|
1318 | try {
|
---|
1319 | (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
|
---|
1320 | Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
|
---|
1321 | } catch (e) {
|
---|
1322 | this.dispatchException(e);
|
---|
1323 | }
|
---|
1324 |
|
---|
1325 | if (state == 'Complete') {
|
---|
1326 | // avoid memory leak in MSIE: clean up
|
---|
1327 | this.transport.onreadystatechange = Prototype.emptyFunction;
|
---|
1328 | }
|
---|
1329 | },
|
---|
1330 |
|
---|
1331 | isSameOrigin: function() {
|
---|
1332 | var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
|
---|
1333 | return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
|
---|
1334 | protocol: location.protocol,
|
---|
1335 | domain: document.domain,
|
---|
1336 | port: location.port ? ':' + location.port : ''
|
---|
1337 | }));
|
---|
1338 | },
|
---|
1339 |
|
---|
1340 | getHeader: function(name) {
|
---|
1341 | try {
|
---|
1342 | return this.transport.getResponseHeader(name) || null;
|
---|
1343 | } catch (e) { return null }
|
---|
1344 | },
|
---|
1345 |
|
---|
1346 | evalResponse: function() {
|
---|
1347 | try {
|
---|
1348 | return eval((this.transport.responseText || '').unfilterJSON());
|
---|
1349 | } catch (e) {
|
---|
1350 | this.dispatchException(e);
|
---|
1351 | }
|
---|
1352 | },
|
---|
1353 |
|
---|
1354 | dispatchException: function(exception) {
|
---|
1355 | (this.options.onException || Prototype.emptyFunction)(this, exception);
|
---|
1356 | Ajax.Responders.dispatch('onException', this, exception);
|
---|
1357 | }
|
---|
1358 | });
|
---|
1359 |
|
---|
1360 | Ajax.Request.Events =
|
---|
1361 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
|
---|
1362 |
|
---|
1363 | Ajax.Response = Class.create({
|
---|
1364 | initialize: function(request){
|
---|
1365 | this.request = request;
|
---|
1366 | var transport = this.transport = request.transport,
|
---|
1367 | readyState = this.readyState = transport.readyState;
|
---|
1368 |
|
---|
1369 | if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
|
---|
1370 | this.status = this.getStatus();
|
---|
1371 | this.statusText = this.getStatusText();
|
---|
1372 | this.responseText = String.interpret(transport.responseText);
|
---|
1373 | this.headerJSON = this._getHeaderJSON();
|
---|
1374 | }
|
---|
1375 |
|
---|
1376 | if(readyState == 4) {
|
---|
1377 | var xml = transport.responseXML;
|
---|
1378 | this.responseXML = Object.isUndefined(xml) ? null : xml;
|
---|
1379 | this.responseJSON = this._getResponseJSON();
|
---|
1380 | }
|
---|
1381 | },
|
---|
1382 |
|
---|
1383 | status: 0,
|
---|
1384 | statusText: '',
|
---|
1385 |
|
---|
1386 | getStatus: Ajax.Request.prototype.getStatus,
|
---|
1387 |
|
---|
1388 | getStatusText: function() {
|
---|
1389 | try {
|
---|
1390 | return this.transport.statusText || '';
|
---|
1391 | } catch (e) { return '' }
|
---|
1392 | },
|
---|
1393 |
|
---|
1394 | getHeader: Ajax.Request.prototype.getHeader,
|
---|
1395 |
|
---|
1396 | getAllHeaders: function() {
|
---|
1397 | try {
|
---|
1398 | return this.getAllResponseHeaders();
|
---|
1399 | } catch (e) { return null }
|
---|
1400 | },
|
---|
1401 |
|
---|
1402 | getResponseHeader: function(name) {
|
---|
1403 | return this.transport.getResponseHeader(name);
|
---|
1404 | },
|
---|
1405 |
|
---|
1406 | getAllResponseHeaders: function() {
|
---|
1407 | return this.transport.getAllResponseHeaders();
|
---|
1408 | },
|
---|
1409 |
|
---|
1410 | _getHeaderJSON: function() {
|
---|
1411 | var json = this.getHeader('X-JSON');
|
---|
1412 | if (!json) return null;
|
---|
1413 | json = decodeURIComponent(escape(json));
|
---|
1414 | try {
|
---|
1415 | return json.evalJSON(this.request.options.sanitizeJSON ||
|
---|
1416 | !this.request.isSameOrigin());
|
---|
1417 | } catch (e) {
|
---|
1418 | this.request.dispatchException(e);
|
---|
1419 | }
|
---|
1420 | },
|
---|
1421 |
|
---|
1422 | _getResponseJSON: function() {
|
---|
1423 | var options = this.request.options;
|
---|
1424 | if (!options.evalJSON || (options.evalJSON != 'force' &&
|
---|
1425 | !(this.getHeader('Content-type') || '').include('application/json')) ||
|
---|
1426 | this.responseText.blank())
|
---|
1427 | return null;
|
---|
1428 | try {
|
---|
1429 | return this.responseText.evalJSON(options.sanitizeJSON ||
|
---|
1430 | !this.request.isSameOrigin());
|
---|
1431 | } catch (e) {
|
---|
1432 | this.request.dispatchException(e);
|
---|
1433 | }
|
---|
1434 | }
|
---|
1435 | });
|
---|
1436 |
|
---|
1437 | Ajax.Updater = Class.create(Ajax.Request, {
|
---|
1438 | initialize: function($super, container, url, options) {
|
---|
1439 | this.container = {
|
---|
1440 | success: (container.success || container),
|
---|
1441 | failure: (container.failure || (container.success ? null : container))
|
---|
1442 | };
|
---|
1443 |
|
---|
1444 | options = Object.clone(options);
|
---|
1445 | var onComplete = options.onComplete;
|
---|
1446 | options.onComplete = (function(response, json) {
|
---|
1447 | this.updateContent(response.responseText);
|
---|
1448 | if (Object.isFunction(onComplete)) onComplete(response, json);
|
---|
1449 | }).bind(this);
|
---|
1450 |
|
---|
1451 | $super(url, options);
|
---|
1452 | },
|
---|
1453 |
|
---|
1454 | updateContent: function(responseText) {
|
---|
1455 | var receiver = this.container[this.success() ? 'success' : 'failure'],
|
---|
1456 | options = this.options;
|
---|
1457 |
|
---|
1458 | if (!options.evalScripts) responseText = responseText.stripScripts();
|
---|
1459 |
|
---|
1460 | if (receiver = $(receiver)) {
|
---|
1461 | if (options.insertion) {
|
---|
1462 | if (Object.isString(options.insertion)) {
|
---|
1463 | var insertion = { }; insertion[options.insertion] = responseText;
|
---|
1464 | receiver.insert(insertion);
|
---|
1465 | }
|
---|
1466 | else options.insertion(receiver, responseText);
|
---|
1467 | }
|
---|
1468 | else receiver.update(responseText);
|
---|
1469 | }
|
---|
1470 | }
|
---|
1471 | });
|
---|
1472 |
|
---|
1473 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
|
---|
1474 | initialize: function($super, container, url, options) {
|
---|
1475 | $super(options);
|
---|
1476 | this.onComplete = this.options.onComplete;
|
---|
1477 |
|
---|
1478 | this.frequency = (this.options.frequency || 2);
|
---|
1479 | this.decay = (this.options.decay || 1);
|
---|
1480 |
|
---|
1481 | this.updater = { };
|
---|
1482 | this.container = container;
|
---|
1483 | this.url = url;
|
---|
1484 |
|
---|
1485 | this.start();
|
---|
1486 | },
|
---|
1487 |
|
---|
1488 | start: function() {
|
---|
1489 | this.options.onComplete = this.updateComplete.bind(this);
|
---|
1490 | this.onTimerEvent();
|
---|
1491 | },
|
---|
1492 |
|
---|
1493 | stop: function() {
|
---|
1494 | this.updater.options.onComplete = undefined;
|
---|
1495 | clearTimeout(this.timer);
|
---|
1496 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
|
---|
1497 | },
|
---|
1498 |
|
---|
1499 | updateComplete: function(response) {
|
---|
1500 | if (this.options.decay) {
|
---|
1501 | this.decay = (response.responseText == this.lastText ?
|
---|
1502 | this.decay * this.options.decay : 1);
|
---|
1503 |
|
---|
1504 | this.lastText = response.responseText;
|
---|
1505 | }
|
---|
1506 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
|
---|
1507 | },
|
---|
1508 |
|
---|
1509 | onTimerEvent: function() {
|
---|
1510 | this.updater = new Ajax.Updater(this.container, this.url, this.options);
|
---|
1511 | }
|
---|
1512 | });
|
---|
1513 | function $(element) {
|
---|
1514 | if (arguments.length > 1) {
|
---|
1515 | for (var i = 0, elements = [], length = arguments.length; i < length; i++)
|
---|
1516 | elements.push($(arguments[i]));
|
---|
1517 | return elements;
|
---|
1518 | }
|
---|
1519 | if (Object.isString(element))
|
---|
1520 | element = document.getElementById(element);
|
---|
1521 | return Element.extend(element);
|
---|
1522 | }
|
---|
1523 |
|
---|
1524 | if (Prototype.BrowserFeatures.XPath) {
|
---|
1525 | document._getElementsByXPath = function(expression, parentElement) {
|
---|
1526 | var results = [];
|
---|
1527 | var query = document.evaluate(expression, $(parentElement) || document,
|
---|
1528 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
|
---|
1529 | for (var i = 0, length = query.snapshotLength; i < length; i++)
|
---|
1530 | results.push(Element.extend(query.snapshotItem(i)));
|
---|
1531 | return results;
|
---|
1532 | };
|
---|
1533 | }
|
---|
1534 |
|
---|
1535 | /*--------------------------------------------------------------------------*/
|
---|
1536 |
|
---|
1537 | if (!window.Node) var Node = { };
|
---|
1538 |
|
---|
1539 | if (!Node.ELEMENT_NODE) {
|
---|
1540 | // DOM level 2 ECMAScript Language Binding
|
---|
1541 | Object.extend(Node, {
|
---|
1542 | ELEMENT_NODE: 1,
|
---|
1543 | ATTRIBUTE_NODE: 2,
|
---|
1544 | TEXT_NODE: 3,
|
---|
1545 | CDATA_SECTION_NODE: 4,
|
---|
1546 | ENTITY_REFERENCE_NODE: 5,
|
---|
1547 | ENTITY_NODE: 6,
|
---|
1548 | PROCESSING_INSTRUCTION_NODE: 7,
|
---|
1549 | COMMENT_NODE: 8,
|
---|
1550 | DOCUMENT_NODE: 9,
|
---|
1551 | DOCUMENT_TYPE_NODE: 10,
|
---|
1552 | DOCUMENT_FRAGMENT_NODE: 11,
|
---|
1553 | NOTATION_NODE: 12
|
---|
1554 | });
|
---|
1555 | }
|
---|
1556 |
|
---|
1557 | (function() {
|
---|
1558 | var element = this.Element;
|
---|
1559 | this.Element = function(tagName, attributes) {
|
---|
1560 | attributes = attributes || { };
|
---|
1561 | tagName = tagName.toLowerCase();
|
---|
1562 | var cache = Element.cache;
|
---|
1563 | if (Prototype.Browser.IE && attributes.name) {
|
---|
1564 | tagName = '<' + tagName + ' name="' + attributes.name + '">';
|
---|
1565 | delete attributes.name;
|
---|
1566 | return Element.writeAttribute(document.createElement(tagName), attributes);
|
---|
1567 | }
|
---|
1568 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
|
---|
1569 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
|
---|
1570 | };
|
---|
1571 | Object.extend(this.Element, element || { });
|
---|
1572 | if (element) this.Element.prototype = element.prototype;
|
---|
1573 | }).call(window);
|
---|
1574 |
|
---|
1575 | Element.cache = { };
|
---|
1576 |
|
---|
1577 | Element.Methods = {
|
---|
1578 | visible: function(element) {
|
---|
1579 | return $(element).style.display != 'none';
|
---|
1580 | },
|
---|
1581 |
|
---|
1582 | toggle: function(element) {
|
---|
1583 | element = $(element);
|
---|
1584 | Element[Element.visible(element) ? 'hide' : 'show'](element);
|
---|
1585 | return element;
|
---|
1586 | },
|
---|
1587 |
|
---|
1588 | hide: function(element) {
|
---|
1589 | element = $(element);
|
---|
1590 | element.style.display = 'none';
|
---|
1591 | return element;
|
---|
1592 | },
|
---|
1593 |
|
---|
1594 | show: function(element) {
|
---|
1595 | element = $(element);
|
---|
1596 | element.style.display = '';
|
---|
1597 | return element;
|
---|
1598 | },
|
---|
1599 |
|
---|
1600 | remove: function(element) {
|
---|
1601 | element = $(element);
|
---|
1602 | element.parentNode.removeChild(element);
|
---|
1603 | return element;
|
---|
1604 | },
|
---|
1605 |
|
---|
1606 | update: function(element, content) {
|
---|
1607 | element = $(element);
|
---|
1608 | if (content && content.toElement) content = content.toElement();
|
---|
1609 | if (Object.isElement(content)) return element.update().insert(content);
|
---|
1610 | content = Object.toHTML(content);
|
---|
1611 | element.innerHTML = content.stripScripts();
|
---|
1612 | content.evalScripts.bind(content).defer();
|
---|
1613 | return element;
|
---|
1614 | },
|
---|
1615 |
|
---|
1616 | replace: function(element, content) {
|
---|
1617 | element = $(element);
|
---|
1618 | if (content && content.toElement) content = content.toElement();
|
---|
1619 | else if (!Object.isElement(content)) {
|
---|
1620 | content = Object.toHTML(content);
|
---|
1621 | var range = element.ownerDocument.createRange();
|
---|
1622 | range.selectNode(element);
|
---|
1623 | content.evalScripts.bind(content).defer();
|
---|
1624 | content = range.createContextualFragment(content.stripScripts());
|
---|
1625 | }
|
---|
1626 | element.parentNode.replaceChild(content, element);
|
---|
1627 | return element;
|
---|
1628 | },
|
---|
1629 |
|
---|
1630 | insert: function(element, insertions) {
|
---|
1631 | element = $(element);
|
---|
1632 |
|
---|
1633 | if (Object.isString(insertions) || Object.isNumber(insertions) ||
|
---|
1634 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
|
---|
1635 | insertions = {bottom:insertions};
|
---|
1636 |
|
---|
1637 | var content, insert, tagName, childNodes;
|
---|
1638 |
|
---|
1639 | for (var position in insertions) {
|
---|
1640 | content = insertions[position];
|
---|
1641 | position = position.toLowerCase();
|
---|
1642 | insert = Element._insertionTranslations[position];
|
---|
1643 |
|
---|
1644 | if (content && content.toElement) content = content.toElement();
|
---|
1645 | if (Object.isElement(content)) {
|
---|
1646 | insert(element, content);
|
---|
1647 | continue;
|
---|
1648 | }
|
---|
1649 |
|
---|
1650 | content = Object.toHTML(content);
|
---|
1651 |
|
---|
1652 | tagName = ((position == 'before' || position == 'after')
|
---|
1653 | ? element.parentNode : element).tagName.toUpperCase();
|
---|
1654 |
|
---|
1655 | childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
|
---|
1656 |
|
---|
1657 | if (position == 'top' || position == 'after') childNodes.reverse();
|
---|
1658 | childNodes.each(insert.curry(element));
|
---|
1659 |
|
---|
1660 | content.evalScripts.bind(content).defer();
|
---|
1661 | }
|
---|
1662 |
|
---|
1663 | return element;
|
---|
1664 | },
|
---|
1665 |
|
---|
1666 | wrap: function(element, wrapper, attributes) {
|
---|
1667 | element = $(element);
|
---|
1668 | if (Object.isElement(wrapper))
|
---|
1669 | $(wrapper).writeAttribute(attributes || { });
|
---|
1670 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
|
---|
1671 | else wrapper = new Element('div', wrapper);
|
---|
1672 | if (element.parentNode)
|
---|
1673 | element.parentNode.replaceChild(wrapper, element);
|
---|
1674 | wrapper.appendChild(element);
|
---|
1675 | return wrapper;
|
---|
1676 | },
|
---|
1677 |
|
---|
1678 | inspect: function(element) {
|
---|
1679 | element = $(element);
|
---|
1680 | var result = '<' + element.tagName.toLowerCase();
|
---|
1681 | $H({'id': 'id', 'className': 'class'}).each(function(pair) {
|
---|
1682 | var property = pair.first(), attribute = pair.last();
|
---|
1683 | var value = (element[property] || '').toString();
|
---|
1684 | if (value) result += ' ' + attribute + '=' + value.inspect(true);
|
---|
1685 | });
|
---|
1686 | return result + '>';
|
---|
1687 | },
|
---|
1688 |
|
---|
1689 | recursivelyCollect: function(element, property) {
|
---|
1690 | element = $(element);
|
---|
1691 | var elements = [];
|
---|
1692 | while (element = element[property])
|
---|
1693 | if (element.nodeType == 1)
|
---|
1694 | elements.push(Element.extend(element));
|
---|
1695 | return elements;
|
---|
1696 | },
|
---|
1697 |
|
---|
1698 | ancestors: function(element) {
|
---|
1699 | return $(element).recursivelyCollect('parentNode');
|
---|
1700 | },
|
---|
1701 |
|
---|
1702 | descendants: function(element) {
|
---|
1703 | return $(element).select("*");
|
---|
1704 | },
|
---|
1705 |
|
---|
1706 | firstDescendant: function(element) {
|
---|
1707 | element = $(element).firstChild;
|
---|
1708 | while (element && element.nodeType != 1) element = element.nextSibling;
|
---|
1709 | return $(element);
|
---|
1710 | },
|
---|
1711 |
|
---|
1712 | immediateDescendants: function(element) {
|
---|
1713 | if (!(element = $(element).firstChild)) return [];
|
---|
1714 | while (element && element.nodeType != 1) element = element.nextSibling;
|
---|
1715 | if (element) return [element].concat($(element).nextSiblings());
|
---|
1716 | return [];
|
---|
1717 | },
|
---|
1718 |
|
---|
1719 | previousSiblings: function(element) {
|
---|
1720 | return $(element).recursivelyCollect('previousSibling');
|
---|
1721 | },
|
---|
1722 |
|
---|
1723 | nextSiblings: function(element) {
|
---|
1724 | return $(element).recursivelyCollect('nextSibling');
|
---|
1725 | },
|
---|
1726 |
|
---|
1727 | siblings: function(element) {
|
---|
1728 | element = $(element);
|
---|
1729 | return element.previousSiblings().reverse().concat(element.nextSiblings());
|
---|
1730 | },
|
---|
1731 |
|
---|
1732 | match: function(element, selector) {
|
---|
1733 | if (Object.isString(selector))
|
---|
1734 | selector = new Selector(selector);
|
---|
1735 | return selector.match($(element));
|
---|
1736 | },
|
---|
1737 |
|
---|
1738 | up: function(element, expression, index) {
|
---|
1739 | element = $(element);
|
---|
1740 | if (arguments.length == 1) return $(element.parentNode);
|
---|
1741 | var ancestors = element.ancestors();
|
---|
1742 | return Object.isNumber(expression) ? ancestors[expression] :
|
---|
1743 | Selector.findElement(ancestors, expression, index);
|
---|
1744 | },
|
---|
1745 |
|
---|
1746 | down: function(element, expression, index) {
|
---|
1747 | element = $(element);
|
---|
1748 | if (arguments.length == 1) return element.firstDescendant();
|
---|
1749 | return Object.isNumber(expression) ? element.descendants()[expression] :
|
---|
1750 | Element.select(element, expression)[index || 0];
|
---|
1751 | },
|
---|
1752 |
|
---|
1753 | previous: function(element, expression, index) {
|
---|
1754 | element = $(element);
|
---|
1755 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
|
---|
1756 | var previousSiblings = element.previousSiblings();
|
---|
1757 | return Object.isNumber(expression) ? previousSiblings[expression] :
|
---|
1758 | Selector.findElement(previousSiblings, expression, index);
|
---|
1759 | },
|
---|
1760 |
|
---|
1761 | next: function(element, expression, index) {
|
---|
1762 | element = $(element);
|
---|
1763 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
|
---|
1764 | var nextSiblings = element.nextSiblings();
|
---|
1765 | return Object.isNumber(expression) ? nextSiblings[expression] :
|
---|
1766 | Selector.findElement(nextSiblings, expression, index);
|
---|
1767 | },
|
---|
1768 |
|
---|
1769 | select: function() {
|
---|
1770 | var args = $A(arguments), element = $(args.shift());
|
---|
1771 | return Selector.findChildElements(element, args);
|
---|
1772 | },
|
---|
1773 |
|
---|
1774 | adjacent: function() {
|
---|
1775 | var args = $A(arguments), element = $(args.shift());
|
---|
1776 | return Selector.findChildElements(element.parentNode, args).without(element);
|
---|
1777 | },
|
---|
1778 |
|
---|
1779 | identify: function(element) {
|
---|
1780 | element = $(element);
|
---|
1781 | var id = element.readAttribute('id'), self = arguments.callee;
|
---|
1782 | if (id) return id;
|
---|
1783 | do { id = 'anonymous_element_' + self.counter++ } while ($(id));
|
---|
1784 | element.writeAttribute('id', id);
|
---|
1785 | return id;
|
---|
1786 | },
|
---|
1787 |
|
---|
1788 | readAttribute: function(element, name) {
|
---|
1789 | element = $(element);
|
---|
1790 | if (Prototype.Browser.IE) {
|
---|
1791 | var t = Element._attributeTranslations.read;
|
---|
1792 | if (t.values[name]) return t.values[name](element, name);
|
---|
1793 | if (t.names[name]) name = t.names[name];
|
---|
1794 | if (name.include(':')) {
|
---|
1795 | return (!element.attributes || !element.attributes[name]) ? null :
|
---|
1796 | element.attributes[name].value;
|
---|
1797 | }
|
---|
1798 | }
|
---|
1799 | return element.getAttribute(name);
|
---|
1800 | },
|
---|
1801 |
|
---|
1802 | writeAttribute: function(element, name, value) {
|
---|
1803 | element = $(element);
|
---|
1804 | var attributes = { }, t = Element._attributeTranslations.write;
|
---|
1805 |
|
---|
1806 | if (typeof name == 'object') attributes = name;
|
---|
1807 | else attributes[name] = Object.isUndefined(value) ? true : value;
|
---|
1808 |
|
---|
1809 | for (var attr in attributes) {
|
---|
1810 | name = t.names[attr] || attr;
|
---|
1811 | value = attributes[attr];
|
---|
1812 | if (t.values[attr]) name = t.values[attr](element, value);
|
---|
1813 | if (value === false || value === null)
|
---|
1814 | element.removeAttribute(name);
|
---|
1815 | else if (value === true)
|
---|
1816 | element.setAttribute(name, name);
|
---|
1817 | else element.setAttribute(name, value);
|
---|
1818 | }
|
---|
1819 | return element;
|
---|
1820 | },
|
---|
1821 |
|
---|
1822 | getHeight: function(element) {
|
---|
1823 | return $(element).getDimensions().height;
|
---|
1824 | },
|
---|
1825 |
|
---|
1826 | getWidth: function(element) {
|
---|
1827 | return $(element).getDimensions().width;
|
---|
1828 | },
|
---|
1829 |
|
---|
1830 | classNames: function(element) {
|
---|
1831 | return new Element.ClassNames(element);
|
---|
1832 | },
|
---|
1833 |
|
---|
1834 | hasClassName: function(element, className) {
|
---|
1835 | if (!(element = $(element))) return;
|
---|
1836 | var elementClassName = element.className;
|
---|
1837 | return (elementClassName.length > 0 && (elementClassName == className ||
|
---|
1838 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
|
---|
1839 | },
|
---|
1840 |
|
---|
1841 | addClassName: function(element, className) {
|
---|
1842 | if (!(element = $(element))) return;
|
---|
1843 | if (!element.hasClassName(className))
|
---|
1844 | element.className += (element.className ? ' ' : '') + className;
|
---|
1845 | return element;
|
---|
1846 | },
|
---|
1847 |
|
---|
1848 | removeClassName: function(element, className) {
|
---|
1849 | if (!(element = $(element))) return;
|
---|
1850 | element.className = element.className.replace(
|
---|
1851 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
|
---|
1852 | return element;
|
---|
1853 | },
|
---|
1854 |
|
---|
1855 | toggleClassName: function(element, className) {
|
---|
1856 | if (!(element = $(element))) return;
|
---|
1857 | return element[element.hasClassName(className) ?
|
---|
1858 | 'removeClassName' : 'addClassName'](className);
|
---|
1859 | },
|
---|
1860 |
|
---|
1861 | // removes whitespace-only text node children
|
---|
1862 | cleanWhitespace: function(element) {
|
---|
1863 | element = $(element);
|
---|
1864 | var node = element.firstChild;
|
---|
1865 | while (node) {
|
---|
1866 | var nextNode = node.nextSibling;
|
---|
1867 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
|
---|
1868 | element.removeChild(node);
|
---|
1869 | node = nextNode;
|
---|
1870 | }
|
---|
1871 | return element;
|
---|
1872 | },
|
---|
1873 |
|
---|
1874 | empty: function(element) {
|
---|
1875 | return $(element).innerHTML.blank();
|
---|
1876 | },
|
---|
1877 |
|
---|
1878 | descendantOf: function(element, ancestor) {
|
---|
1879 | element = $(element), ancestor = $(ancestor);
|
---|
1880 |
|
---|
1881 | if (element.compareDocumentPosition)
|
---|
1882 | return (element.compareDocumentPosition(ancestor) & 8) === 8;
|
---|
1883 |
|
---|
1884 | if (ancestor.contains)
|
---|
1885 | return ancestor.contains(element) && ancestor !== element;
|
---|
1886 |
|
---|
1887 | while (element = element.parentNode)
|
---|
1888 | if (element == ancestor) return true;
|
---|
1889 |
|
---|
1890 | return false;
|
---|
1891 | },
|
---|
1892 |
|
---|
1893 | scrollTo: function(element) {
|
---|
1894 | element = $(element);
|
---|
1895 | var pos = element.cumulativeOffset();
|
---|
1896 | window.scrollTo(pos[0], pos[1]);
|
---|
1897 | return element;
|
---|
1898 | },
|
---|
1899 |
|
---|
1900 | getStyle: function(element, style) {
|
---|
1901 | element = $(element);
|
---|
1902 | style = style == 'float' ? 'cssFloat' : style.camelize();
|
---|
1903 | var value = element.style[style];
|
---|
1904 | if (!value || value == 'auto') {
|
---|
1905 | var css = document.defaultView.getComputedStyle(element, null);
|
---|
1906 | value = css ? css[style] : null;
|
---|
1907 | }
|
---|
1908 | if (style == 'opacity') return value ? parseFloat(value) : 1.0;
|
---|
1909 | return value == 'auto' ? null : value;
|
---|
1910 | },
|
---|
1911 |
|
---|
1912 | getOpacity: function(element) {
|
---|
1913 | return $(element).getStyle('opacity');
|
---|
1914 | },
|
---|
1915 |
|
---|
1916 | setStyle: function(element, styles) {
|
---|
1917 | element = $(element);
|
---|
1918 | var elementStyle = element.style, match;
|
---|
1919 | if (Object.isString(styles)) {
|
---|
1920 | element.style.cssText += ';' + styles;
|
---|
1921 | return styles.include('opacity') ?
|
---|
1922 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
|
---|
1923 | }
|
---|
1924 | for (var property in styles)
|
---|
1925 | if (property == 'opacity') element.setOpacity(styles[property]);
|
---|
1926 | else
|
---|
1927 | elementStyle[(property == 'float' || property == 'cssFloat') ?
|
---|
1928 | (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
|
---|
1929 | property] = styles[property];
|
---|
1930 |
|
---|
1931 | return element;
|
---|
1932 | },
|
---|
1933 |
|
---|
1934 | setOpacity: function(element, value) {
|
---|
1935 | element = $(element);
|
---|
1936 | element.style.opacity = (value == 1 || value === '') ? '' :
|
---|
1937 | (value < 0.00001) ? 0 : value;
|
---|
1938 | return element;
|
---|
1939 | },
|
---|
1940 |
|
---|
1941 | getDimensions: function(element) {
|
---|
1942 | element = $(element);
|
---|
1943 | var display = element.getStyle('display');
|
---|
1944 | if (display != 'none' && display != null) // Safari bug
|
---|
1945 | return {width: element.offsetWidth, height: element.offsetHeight};
|
---|
1946 |
|
---|
1947 | // All *Width and *Height properties give 0 on elements with display none,
|
---|
1948 | // so enable the element temporarily
|
---|
1949 | var els = element.style;
|
---|
1950 | var originalVisibility = els.visibility;
|
---|
1951 | var originalPosition = els.position;
|
---|
1952 | var originalDisplay = els.display;
|
---|
1953 | els.visibility = 'hidden';
|
---|
1954 | els.position = 'absolute';
|
---|
1955 | els.display = 'block';
|
---|
1956 | var originalWidth = element.clientWidth;
|
---|
1957 | var originalHeight = element.clientHeight;
|
---|
1958 | els.display = originalDisplay;
|
---|
1959 | els.position = originalPosition;
|
---|
1960 | els.visibility = originalVisibility;
|
---|
1961 | return {width: originalWidth, height: originalHeight};
|
---|
1962 | },
|
---|
1963 |
|
---|
1964 | makePositioned: function(element) {
|
---|
1965 | element = $(element);
|
---|
1966 | var pos = Element.getStyle(element, 'position');
|
---|
1967 | if (pos == 'static' || !pos) {
|
---|
1968 | element._madePositioned = true;
|
---|
1969 | element.style.position = 'relative';
|
---|
1970 | // Opera returns the offset relative to the positioning context, when an
|
---|
1971 | // element is position relative but top and left have not been defined
|
---|
1972 | if (Prototype.Browser.Opera) {
|
---|
1973 | element.style.top = 0;
|
---|
1974 | element.style.left = 0;
|
---|
1975 | }
|
---|
1976 | }
|
---|
1977 | return element;
|
---|
1978 | },
|
---|
1979 |
|
---|
1980 | undoPositioned: function(element) {
|
---|
1981 | element = $(element);
|
---|
1982 | if (element._madePositioned) {
|
---|
1983 | element._madePositioned = undefined;
|
---|
1984 | element.style.position =
|
---|
1985 | element.style.top =
|
---|
1986 | element.style.left =
|
---|
1987 | element.style.bottom =
|
---|
1988 | element.style.right = '';
|
---|
1989 | }
|
---|
1990 | return element;
|
---|
1991 | },
|
---|
1992 |
|
---|
1993 | makeClipping: function(element) {
|
---|
1994 | element = $(element);
|
---|
1995 | if (element._overflow) return element;
|
---|
1996 | element._overflow = Element.getStyle(element, 'overflow') || 'auto';
|
---|
1997 | if (element._overflow !== 'hidden')
|
---|
1998 | element.style.overflow = 'hidden';
|
---|
1999 | return element;
|
---|
2000 | },
|
---|
2001 |
|
---|
2002 | undoClipping: function(element) {
|
---|
2003 | element = $(element);
|
---|
2004 | if (!element._overflow) return element;
|
---|
2005 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
|
---|
2006 | element._overflow = null;
|
---|
2007 | return element;
|
---|
2008 | },
|
---|
2009 |
|
---|
2010 | cumulativeOffset: function(element) {
|
---|
2011 | var valueT = 0, valueL = 0;
|
---|
2012 | do {
|
---|
2013 | valueT += element.offsetTop || 0;
|
---|
2014 | valueL += element.offsetLeft || 0;
|
---|
2015 | element = element.offsetParent;
|
---|
2016 | } while (element);
|
---|
2017 | return Element._returnOffset(valueL, valueT);
|
---|
2018 | },
|
---|
2019 |
|
---|
2020 | positionedOffset: function(element) {
|
---|
2021 | var valueT = 0, valueL = 0;
|
---|
2022 | do {
|
---|
2023 | valueT += element.offsetTop || 0;
|
---|
2024 | valueL += element.offsetLeft || 0;
|
---|
2025 | element = element.offsetParent;
|
---|
2026 | if (element) {
|
---|
2027 | if (element.tagName.toUpperCase() == 'BODY') break;
|
---|
2028 | var p = Element.getStyle(element, 'position');
|
---|
2029 | if (p !== 'static') break;
|
---|
2030 | }
|
---|
2031 | } while (element);
|
---|
2032 | return Element._returnOffset(valueL, valueT);
|
---|
2033 | },
|
---|
2034 |
|
---|
2035 | absolutize: function(element) {
|
---|
2036 | element = $(element);
|
---|
2037 | if (element.getStyle('position') == 'absolute') return element;
|
---|
2038 | // Position.prepare(); // To be done manually by Scripty when it needs it.
|
---|
2039 |
|
---|
2040 | var offsets = element.positionedOffset();
|
---|
2041 | var top = offsets[1];
|
---|
2042 | var left = offsets[0];
|
---|
2043 | var width = element.clientWidth;
|
---|
2044 | var height = element.clientHeight;
|
---|
2045 |
|
---|
2046 | element._originalLeft = left - parseFloat(element.style.left || 0);
|
---|
2047 | element._originalTop = top - parseFloat(element.style.top || 0);
|
---|
2048 | element._originalWidth = element.style.width;
|
---|
2049 | element._originalHeight = element.style.height;
|
---|
2050 |
|
---|
2051 | element.style.position = 'absolute';
|
---|
2052 | element.style.top = top + 'px';
|
---|
2053 | element.style.left = left + 'px';
|
---|
2054 | element.style.width = width + 'px';
|
---|
2055 | element.style.height = height + 'px';
|
---|
2056 | return element;
|
---|
2057 | },
|
---|
2058 |
|
---|
2059 | relativize: function(element) {
|
---|
2060 | element = $(element);
|
---|
2061 | if (element.getStyle('position') == 'relative') return element;
|
---|
2062 | // Position.prepare(); // To be done manually by Scripty when it needs it.
|
---|
2063 |
|
---|
2064 | element.style.position = 'relative';
|
---|
2065 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
|
---|
2066 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
|
---|
2067 |
|
---|
2068 | element.style.top = top + 'px';
|
---|
2069 | element.style.left = left + 'px';
|
---|
2070 | element.style.height = element._originalHeight;
|
---|
2071 | element.style.width = element._originalWidth;
|
---|
2072 | return element;
|
---|
2073 | },
|
---|
2074 |
|
---|
2075 | cumulativeScrollOffset: function(element) {
|
---|
2076 | var valueT = 0, valueL = 0;
|
---|
2077 | do {
|
---|
2078 | valueT += element.scrollTop || 0;
|
---|
2079 | valueL += element.scrollLeft || 0;
|
---|
2080 | element = element.parentNode;
|
---|
2081 | } while (element);
|
---|
2082 | return Element._returnOffset(valueL, valueT);
|
---|
2083 | },
|
---|
2084 |
|
---|
2085 | getOffsetParent: function(element) {
|
---|
2086 | if (element.offsetParent) return $(element.offsetParent);
|
---|
2087 | if (element == document.body) return $(element);
|
---|
2088 |
|
---|
2089 | while ((element = element.parentNode) && element != document.body)
|
---|
2090 | if (Element.getStyle(element, 'position') != 'static')
|
---|
2091 | return $(element);
|
---|
2092 |
|
---|
2093 | return $(document.body);
|
---|
2094 | },
|
---|
2095 |
|
---|
2096 | viewportOffset: function(forElement) {
|
---|
2097 | var valueT = 0, valueL = 0;
|
---|
2098 |
|
---|
2099 | var element = forElement;
|
---|
2100 | do {
|
---|
2101 | valueT += element.offsetTop || 0;
|
---|
2102 | valueL += element.offsetLeft || 0;
|
---|
2103 |
|
---|
2104 | // Safari fix
|
---|
2105 | if (element.offsetParent == document.body &&
|
---|
2106 | Element.getStyle(element, 'position') == 'absolute') break;
|
---|
2107 |
|
---|
2108 | } while (element = element.offsetParent);
|
---|
2109 |
|
---|
2110 | element = forElement;
|
---|
2111 | do {
|
---|
2112 | if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
|
---|
2113 | valueT -= element.scrollTop || 0;
|
---|
2114 | valueL -= element.scrollLeft || 0;
|
---|
2115 | }
|
---|
2116 | } while (element = element.parentNode);
|
---|
2117 |
|
---|
2118 | return Element._returnOffset(valueL, valueT);
|
---|
2119 | },
|
---|
2120 |
|
---|
2121 | clonePosition: function(element, source) {
|
---|
2122 | var options = Object.extend({
|
---|
2123 | setLeft: true,
|
---|
2124 | setTop: true,
|
---|
2125 | setWidth: true,
|
---|
2126 | setHeight: true,
|
---|
2127 | offsetTop: 0,
|
---|
2128 | offsetLeft: 0
|
---|
2129 | }, arguments[2] || { });
|
---|
2130 |
|
---|
2131 | // find page position of source
|
---|
2132 | source = $(source);
|
---|
2133 | var p = source.viewportOffset();
|
---|
2134 |
|
---|
2135 | // find coordinate system to use
|
---|
2136 | element = $(element);
|
---|
2137 | var delta = [0, 0];
|
---|
2138 | var parent = null;
|
---|
2139 | // delta [0,0] will do fine with position: fixed elements,
|
---|
2140 | // position:absolute needs offsetParent deltas
|
---|
2141 | if (Element.getStyle(element, 'position') == 'absolute') {
|
---|
2142 | parent = element.getOffsetParent();
|
---|
2143 | delta = parent.viewportOffset();
|
---|
2144 | }
|
---|
2145 |
|
---|
2146 | // correct by body offsets (fixes Safari)
|
---|
2147 | if (parent == document.body) {
|
---|
2148 | delta[0] -= document.body.offsetLeft;
|
---|
2149 | delta[1] -= document.body.offsetTop;
|
---|
2150 | }
|
---|
2151 |
|
---|
2152 | // set position
|
---|
2153 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
|
---|
2154 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
|
---|
2155 | if (options.setWidth) element.style.width = source.offsetWidth + 'px';
|
---|
2156 | if (options.setHeight) element.style.height = source.offsetHeight + 'px';
|
---|
2157 | return element;
|
---|
2158 | }
|
---|
2159 | };
|
---|
2160 |
|
---|
2161 | Element.Methods.identify.counter = 1;
|
---|
2162 |
|
---|
2163 | Object.extend(Element.Methods, {
|
---|
2164 | getElementsBySelector: Element.Methods.select,
|
---|
2165 | childElements: Element.Methods.immediateDescendants
|
---|
2166 | });
|
---|
2167 |
|
---|
2168 | Element._attributeTranslations = {
|
---|
2169 | write: {
|
---|
2170 | names: {
|
---|
2171 | className: 'class',
|
---|
2172 | htmlFor: 'for'
|
---|
2173 | },
|
---|
2174 | values: { }
|
---|
2175 | }
|
---|
2176 | };
|
---|
2177 |
|
---|
2178 | if (Prototype.Browser.Opera) {
|
---|
2179 | Element.Methods.getStyle = Element.Methods.getStyle.wrap(
|
---|
2180 | function(proceed, element, style) {
|
---|
2181 | switch (style) {
|
---|
2182 | case 'left': case 'top': case 'right': case 'bottom':
|
---|
2183 | if (proceed(element, 'position') === 'static') return null;
|
---|
2184 | case 'height': case 'width':
|
---|
2185 | // returns '0px' for hidden elements; we want it to return null
|
---|
2186 | if (!Element.visible(element)) return null;
|
---|
2187 |
|
---|
2188 | // returns the border-box dimensions rather than the content-box
|
---|
2189 | // dimensions, so we subtract padding and borders from the value
|
---|
2190 | var dim = parseInt(proceed(element, style), 10);
|
---|
2191 |
|
---|
2192 | if (dim !== element['offset' + style.capitalize()])
|
---|
2193 | return dim + 'px';
|
---|
2194 |
|
---|
2195 | var properties;
|
---|
2196 | if (style === 'height') {
|
---|
2197 | properties = ['border-top-width', 'padding-top',
|
---|
2198 | 'padding-bottom', 'border-bottom-width'];
|
---|
2199 | }
|
---|
2200 | else {
|
---|
2201 | properties = ['border-left-width', 'padding-left',
|
---|
2202 | 'padding-right', 'border-right-width'];
|
---|
2203 | }
|
---|
2204 | return properties.inject(dim, function(memo, property) {
|
---|
2205 | var val = proceed(element, property);
|
---|
2206 | return val === null ? memo : memo - parseInt(val, 10);
|
---|
2207 | }) + 'px';
|
---|
2208 | default: return proceed(element, style);
|
---|
2209 | }
|
---|
2210 | }
|
---|
2211 | );
|
---|
2212 |
|
---|
2213 | Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
|
---|
2214 | function(proceed, element, attribute) {
|
---|
2215 | if (attribute === 'title') return element.title;
|
---|
2216 | return proceed(element, attribute);
|
---|
2217 | }
|
---|
2218 | );
|
---|
2219 | }
|
---|
2220 |
|
---|
2221 | else if (Prototype.Browser.IE) {
|
---|
2222 | // IE doesn't report offsets correctly for static elements, so we change them
|
---|
2223 | // to "relative" to get the values, then change them back.
|
---|
2224 | Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
|
---|
2225 | function(proceed, element) {
|
---|
2226 | element = $(element);
|
---|
2227 | // IE throws an error if element is not in document
|
---|
2228 | try { element.offsetParent }
|
---|
2229 | catch(e) { return $(document.body) }
|
---|
2230 | var position = element.getStyle('position');
|
---|
2231 | if (position !== 'static') return proceed(element);
|
---|
2232 | element.setStyle({ position: 'relative' });
|
---|
2233 | var value = proceed(element);
|
---|
2234 | element.setStyle({ position: position });
|
---|
2235 | return value;
|
---|
2236 | }
|
---|
2237 | );
|
---|
2238 |
|
---|
2239 | $w('positionedOffset viewportOffset').each(function(method) {
|
---|
2240 | Element.Methods[method] = Element.Methods[method].wrap(
|
---|
2241 | function(proceed, element) {
|
---|
2242 | element = $(element);
|
---|
2243 | try { element.offsetParent }
|
---|
2244 | catch(e) { return Element._returnOffset(0,0) }
|
---|
2245 | var position = element.getStyle('position');
|
---|
2246 | if (position !== 'static') return proceed(element);
|
---|
2247 | // Trigger hasLayout on the offset parent so that IE6 reports
|
---|
2248 | // accurate offsetTop and offsetLeft values for position: fixed.
|
---|
2249 | var offsetParent = element.getOffsetParent();
|
---|
2250 | if (offsetParent && offsetParent.getStyle('position') === 'fixed')
|
---|
2251 | offsetParent.setStyle({ zoom: 1 });
|
---|
2252 | element.setStyle({ position: 'relative' });
|
---|
2253 | var value = proceed(element);
|
---|
2254 | element.setStyle({ position: position });
|
---|
2255 | return value;
|
---|
2256 | }
|
---|
2257 | );
|
---|
2258 | });
|
---|
2259 |
|
---|
2260 | Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
|
---|
2261 | function(proceed, element) {
|
---|
2262 | try { element.offsetParent }
|
---|
2263 | catch(e) { return Element._returnOffset(0,0) }
|
---|
2264 | return proceed(element);
|
---|
2265 | }
|
---|
2266 | );
|
---|
2267 |
|
---|
2268 | Element.Methods.getStyle = function(element, style) {
|
---|
2269 | element = $(element);
|
---|
2270 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
|
---|
2271 | var value = element.style[style];
|
---|
2272 | if (!value && element.currentStyle) value = element.currentStyle[style];
|
---|
2273 |
|
---|
2274 | if (style == 'opacity') {
|
---|
2275 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
|
---|
2276 | if (value[1]) return parseFloat(value[1]) / 100;
|
---|
2277 | return 1.0;
|
---|
2278 | }
|
---|
2279 |
|
---|
2280 | if (value == 'auto') {
|
---|
2281 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
|
---|
2282 | return element['offset' + style.capitalize()] + 'px';
|
---|
2283 | return null;
|
---|
2284 | }
|
---|
2285 | return value;
|
---|
2286 | };
|
---|
2287 |
|
---|
2288 | Element.Methods.setOpacity = function(element, value) {
|
---|
2289 | function stripAlpha(filter){
|
---|
2290 | return filter.replace(/alpha\([^\)]*\)/gi,'');
|
---|
2291 | }
|
---|
2292 | element = $(element);
|
---|
2293 | var currentStyle = element.currentStyle;
|
---|
2294 | if ((currentStyle && !currentStyle.hasLayout) ||
|
---|
2295 | (!currentStyle && element.style.zoom == 'normal'))
|
---|
2296 | element.style.zoom = 1;
|
---|
2297 |
|
---|
2298 | var filter = element.getStyle('filter'), style = element.style;
|
---|
2299 | if (value == 1 || value === '') {
|
---|
2300 | (filter = stripAlpha(filter)) ?
|
---|
2301 | style.filter = filter : style.removeAttribute('filter');
|
---|
2302 | return element;
|
---|
2303 | } else if (value < 0.00001) value = 0;
|
---|
2304 | style.filter = stripAlpha(filter) +
|
---|
2305 | 'alpha(opacity=' + (value * 100) + ')';
|
---|
2306 | return element;
|
---|
2307 | };
|
---|
2308 |
|
---|
2309 | Element._attributeTranslations = {
|
---|
2310 | read: {
|
---|
2311 | names: {
|
---|
2312 | 'class': 'className',
|
---|
2313 | 'for': 'htmlFor'
|
---|
2314 | },
|
---|
2315 | values: {
|
---|
2316 | _getAttr: function(element, attribute) {
|
---|
2317 | return element.getAttribute(attribute, 2);
|
---|
2318 | },
|
---|
2319 | _getAttrNode: function(element, attribute) {
|
---|
2320 | var node = element.getAttributeNode(attribute);
|
---|
2321 | return node ? node.value : "";
|
---|
2322 | },
|
---|
2323 | _getEv: function(element, attribute) {
|
---|
2324 | attribute = element.getAttribute(attribute);
|
---|
2325 | return attribute ? attribute.toString().slice(23, -2) : null;
|
---|
2326 | },
|
---|
2327 | _flag: function(element, attribute) {
|
---|
2328 | return $(element).hasAttribute(attribute) ? attribute : null;
|
---|
2329 | },
|
---|
2330 | style: function(element) {
|
---|
2331 | return element.style.cssText.toLowerCase();
|
---|
2332 | },
|
---|
2333 | title: function(element) {
|
---|
2334 | return element.title;
|
---|
2335 | }
|
---|
2336 | }
|
---|
2337 | }
|
---|
2338 | };
|
---|
2339 |
|
---|
2340 | Element._attributeTranslations.write = {
|
---|
2341 | names: Object.extend({
|
---|
2342 | cellpadding: 'cellPadding',
|
---|
2343 | cellspacing: 'cellSpacing'
|
---|
2344 | }, Element._attributeTranslations.read.names),
|
---|
2345 | values: {
|
---|
2346 | checked: function(element, value) {
|
---|
2347 | element.checked = !!value;
|
---|
2348 | },
|
---|
2349 |
|
---|
2350 | style: function(element, value) {
|
---|
2351 | element.style.cssText = value ? value : '';
|
---|
2352 | }
|
---|
2353 | }
|
---|
2354 | };
|
---|
2355 |
|
---|
2356 | Element._attributeTranslations.has = {};
|
---|
2357 |
|
---|
2358 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
|
---|
2359 | 'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
|
---|
2360 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
|
---|
2361 | Element._attributeTranslations.has[attr.toLowerCase()] = attr;
|
---|
2362 | });
|
---|
2363 |
|
---|
2364 | (function(v) {
|
---|
2365 | Object.extend(v, {
|
---|
2366 | href: v._getAttr,
|
---|
2367 | src: v._getAttr,
|
---|
2368 | type: v._getAttr,
|
---|
2369 | action: v._getAttrNode,
|
---|
2370 | disabled: v._flag,
|
---|
2371 | checked: v._flag,
|
---|
2372 | readonly: v._flag,
|
---|
2373 | multiple: v._flag,
|
---|
2374 | onload: v._getEv,
|
---|
2375 | onunload: v._getEv,
|
---|
2376 | onclick: v._getEv,
|
---|
2377 | ondblclick: v._getEv,
|
---|
2378 | onmousedown: v._getEv,
|
---|
2379 | onmouseup: v._getEv,
|
---|
2380 | onmouseover: v._getEv,
|
---|
2381 | onmousemove: v._getEv,
|
---|
2382 | onmouseout: v._getEv,
|
---|
2383 | onfocus: v._getEv,
|
---|
2384 | onblur: v._getEv,
|
---|
2385 | onkeypress: v._getEv,
|
---|
2386 | onkeydown: v._getEv,
|
---|
2387 | onkeyup: v._getEv,
|
---|
2388 | onsubmit: v._getEv,
|
---|
2389 | onreset: v._getEv,
|
---|
2390 | onselect: v._getEv,
|
---|
2391 | onchange: v._getEv
|
---|
2392 | });
|
---|
2393 | })(Element._attributeTranslations.read.values);
|
---|
2394 | }
|
---|
2395 |
|
---|
2396 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
|
---|
2397 | Element.Methods.setOpacity = function(element, value) {
|
---|
2398 | element = $(element);
|
---|
2399 | element.style.opacity = (value == 1) ? 0.999999 :
|
---|
2400 | (value === '') ? '' : (value < 0.00001) ? 0 : value;
|
---|
2401 | return element;
|
---|
2402 | };
|
---|
2403 | }
|
---|
2404 |
|
---|
2405 | else if (Prototype.Browser.WebKit) {
|
---|
2406 | Element.Methods.setOpacity = function(element, value) {
|
---|
2407 | element = $(element);
|
---|
2408 | element.style.opacity = (value == 1 || value === '') ? '' :
|
---|
2409 | (value < 0.00001) ? 0 : value;
|
---|
2410 |
|
---|
2411 | if (value == 1)
|
---|
2412 | if(element.tagName.toUpperCase() == 'IMG' && element.width) {
|
---|
2413 | element.width++; element.width--;
|
---|
2414 | } else try {
|
---|
2415 | var n = document.createTextNode(' ');
|
---|
2416 | element.appendChild(n);
|
---|
2417 | element.removeChild(n);
|
---|
2418 | } catch (e) { }
|
---|
2419 |
|
---|
2420 | return element;
|
---|
2421 | };
|
---|
2422 |
|
---|
2423 | // Safari returns margins on body which is incorrect if the child is absolutely
|
---|
2424 | // positioned. For performance reasons, redefine Element#cumulativeOffset for
|
---|
2425 | // KHTML/WebKit only.
|
---|
2426 | Element.Methods.cumulativeOffset = function(element) {
|
---|
2427 | var valueT = 0, valueL = 0;
|
---|
2428 | do {
|
---|
2429 | valueT += element.offsetTop || 0;
|
---|
2430 | valueL += element.offsetLeft || 0;
|
---|
2431 | if (element.offsetParent == document.body)
|
---|
2432 | if (Element.getStyle(element, 'position') == 'absolute') break;
|
---|
2433 |
|
---|
2434 | element = element.offsetParent;
|
---|
2435 | } while (element);
|
---|
2436 |
|
---|
2437 | return Element._returnOffset(valueL, valueT);
|
---|
2438 | };
|
---|
2439 | }
|
---|
2440 |
|
---|
2441 | if (Prototype.Browser.IE || Prototype.Browser.Opera) {
|
---|
2442 | // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
|
---|
2443 | Element.Methods.update = function(element, content) {
|
---|
2444 | element = $(element);
|
---|
2445 |
|
---|
2446 | if (content && content.toElement) content = content.toElement();
|
---|
2447 | if (Object.isElement(content)) return element.update().insert(content);
|
---|
2448 |
|
---|
2449 | content = Object.toHTML(content);
|
---|
2450 | var tagName = element.tagName.toUpperCase();
|
---|
2451 |
|
---|
2452 | if (tagName in Element._insertionTranslations.tags) {
|
---|
2453 | $A(element.childNodes).each(function(node) { element.removeChild(node) });
|
---|
2454 | Element._getContentFromAnonymousElement(tagName, content.stripScripts())
|
---|
2455 | .each(function(node) { element.appendChild(node) });
|
---|
2456 | }
|
---|
2457 | else element.innerHTML = content.stripScripts();
|
---|
2458 |
|
---|
2459 | content.evalScripts.bind(content).defer();
|
---|
2460 | return element;
|
---|
2461 | };
|
---|
2462 | }
|
---|
2463 |
|
---|
2464 | if ('outerHTML' in document.createElement('div')) {
|
---|
2465 | Element.Methods.replace = function(element, content) {
|
---|
2466 | element = $(element);
|
---|
2467 |
|
---|
2468 | if (content && content.toElement) content = content.toElement();
|
---|
2469 | if (Object.isElement(content)) {
|
---|
2470 | element.parentNode.replaceChild(content, element);
|
---|
2471 | return element;
|
---|
2472 | }
|
---|
2473 |
|
---|
2474 | content = Object.toHTML(content);
|
---|
2475 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
|
---|
2476 |
|
---|
2477 | if (Element._insertionTranslations.tags[tagName]) {
|
---|
2478 | var nextSibling = element.next();
|
---|
2479 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
|
---|
2480 | parent.removeChild(element);
|
---|
2481 | if (nextSibling)
|
---|
2482 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
|
---|
2483 | else
|
---|
2484 | fragments.each(function(node) { parent.appendChild(node) });
|
---|
2485 | }
|
---|
2486 | else element.outerHTML = content.stripScripts();
|
---|
2487 |
|
---|
2488 | content.evalScripts.bind(content).defer();
|
---|
2489 | return element;
|
---|
2490 | };
|
---|
2491 | }
|
---|
2492 |
|
---|
2493 | Element._returnOffset = function(l, t) {
|
---|
2494 | var result = [l, t];
|
---|
2495 | result.left = l;
|
---|
2496 | result.top = t;
|
---|
2497 | return result;
|
---|
2498 | };
|
---|
2499 |
|
---|
2500 | Element._getContentFromAnonymousElement = function(tagName, html) {
|
---|
2501 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
|
---|
2502 | if (t) {
|
---|
2503 | div.innerHTML = t[0] + html + t[1];
|
---|
2504 | t[2].times(function() { div = div.firstChild });
|
---|
2505 | } else div.innerHTML = html;
|
---|
2506 | return $A(div.childNodes);
|
---|
2507 | };
|
---|
2508 |
|
---|
2509 | Element._insertionTranslations = {
|
---|
2510 | before: function(element, node) {
|
---|
2511 | element.parentNode.insertBefore(node, element);
|
---|
2512 | },
|
---|
2513 | top: function(element, node) {
|
---|
2514 | element.insertBefore(node, element.firstChild);
|
---|
2515 | },
|
---|
2516 | bottom: function(element, node) {
|
---|
2517 | element.appendChild(node);
|
---|
2518 | },
|
---|
2519 | after: function(element, node) {
|
---|
2520 | element.parentNode.insertBefore(node, element.nextSibling);
|
---|
2521 | },
|
---|
2522 | tags: {
|
---|
2523 | TABLE: ['<table>', '</table>', 1],
|
---|
2524 | TBODY: ['<table><tbody>', '</tbody></table>', 2],
|
---|
2525 | TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
|
---|
2526 | TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
|
---|
2527 | SELECT: ['<select>', '</select>', 1]
|
---|
2528 | }
|
---|
2529 | };
|
---|
2530 |
|
---|
2531 | (function() {
|
---|
2532 | Object.extend(this.tags, {
|
---|
2533 | THEAD: this.tags.TBODY,
|
---|
2534 | TFOOT: this.tags.TBODY,
|
---|
2535 | TH: this.tags.TD
|
---|
2536 | });
|
---|
2537 | }).call(Element._insertionTranslations);
|
---|
2538 |
|
---|
2539 | Element.Methods.Simulated = {
|
---|
2540 | hasAttribute: function(element, attribute) {
|
---|
2541 | attribute = Element._attributeTranslations.has[attribute] || attribute;
|
---|
2542 | var node = $(element).getAttributeNode(attribute);
|
---|
2543 | return !!(node && node.specified);
|
---|
2544 | }
|
---|
2545 | };
|
---|
2546 |
|
---|
2547 | Element.Methods.ByTag = { };
|
---|
2548 |
|
---|
2549 | Object.extend(Element, Element.Methods);
|
---|
2550 |
|
---|
2551 | if (!Prototype.BrowserFeatures.ElementExtensions &&
|
---|
2552 | document.createElement('div')['__proto__']) {
|
---|
2553 | window.HTMLElement = { };
|
---|
2554 | window.HTMLElement.prototype = document.createElement('div')['__proto__'];
|
---|
2555 | Prototype.BrowserFeatures.ElementExtensions = true;
|
---|
2556 | }
|
---|
2557 |
|
---|
2558 | Element.extend = (function() {
|
---|
2559 | if (Prototype.BrowserFeatures.SpecificElementExtensions)
|
---|
2560 | return Prototype.K;
|
---|
2561 |
|
---|
2562 | var Methods = { }, ByTag = Element.Methods.ByTag;
|
---|
2563 |
|
---|
2564 | var extend = Object.extend(function(element) {
|
---|
2565 | if (!element || element._extendedByPrototype ||
|
---|
2566 | element.nodeType != 1 || element == window) return element;
|
---|
2567 |
|
---|
2568 | var methods = Object.clone(Methods),
|
---|
2569 | tagName = element.tagName.toUpperCase(), property, value;
|
---|
2570 |
|
---|
2571 | // extend methods for specific tags
|
---|
2572 | if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
|
---|
2573 |
|
---|
2574 | for (property in methods) {
|
---|
2575 | value = methods[property];
|
---|
2576 | if (Object.isFunction(value) && !(property in element))
|
---|
2577 | element[property] = value.methodize();
|
---|
2578 | }
|
---|
2579 |
|
---|
2580 | element._extendedByPrototype = Prototype.emptyFunction;
|
---|
2581 | return element;
|
---|
2582 |
|
---|
2583 | }, {
|
---|
2584 | refresh: function() {
|
---|
2585 | // extend methods for all tags (Safari doesn't need this)
|
---|
2586 | if (!Prototype.BrowserFeatures.ElementExtensions) {
|
---|
2587 | Object.extend(Methods, Element.Methods);
|
---|
2588 | Object.extend(Methods, Element.Methods.Simulated);
|
---|
2589 | }
|
---|
2590 | }
|
---|
2591 | });
|
---|
2592 |
|
---|
2593 | extend.refresh();
|
---|
2594 | return extend;
|
---|
2595 | })();
|
---|
2596 |
|
---|
2597 | Element.hasAttribute = function(element, attribute) {
|
---|
2598 | if (element.hasAttribute) return element.hasAttribute(attribute);
|
---|
2599 | return Element.Methods.Simulated.hasAttribute(element, attribute);
|
---|
2600 | };
|
---|
2601 |
|
---|
2602 | Element.addMethods = function(methods) {
|
---|
2603 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
|
---|
2604 |
|
---|
2605 | if (!methods) {
|
---|
2606 | Object.extend(Form, Form.Methods);
|
---|
2607 | Object.extend(Form.Element, Form.Element.Methods);
|
---|
2608 | Object.extend(Element.Methods.ByTag, {
|
---|
2609 | "FORM": Object.clone(Form.Methods),
|
---|
2610 | "INPUT": Object.clone(Form.Element.Methods),
|
---|
2611 | "SELECT": Object.clone(Form.Element.Methods),
|
---|
2612 | "TEXTAREA": Object.clone(Form.Element.Methods)
|
---|
2613 | });
|
---|
2614 | }
|
---|
2615 |
|
---|
2616 | if (arguments.length == 2) {
|
---|
2617 | var tagName = methods;
|
---|
2618 | methods = arguments[1];
|
---|
2619 | }
|
---|
2620 |
|
---|
2621 | if (!tagName) Object.extend(Element.Methods, methods || { });
|
---|
2622 | else {
|
---|
2623 | if (Object.isArray(tagName)) tagName.each(extend);
|
---|
2624 | else extend(tagName);
|
---|
2625 | }
|
---|
2626 |
|
---|
2627 | function extend(tagName) {
|
---|
2628 | tagName = tagName.toUpperCase();
|
---|
2629 | if (!Element.Methods.ByTag[tagName])
|
---|
2630 | Element.Methods.ByTag[tagName] = { };
|
---|
2631 | Object.extend(Element.Methods.ByTag[tagName], methods);
|
---|
2632 | }
|
---|
2633 |
|
---|
2634 | function copy(methods, destination, onlyIfAbsent) {
|
---|
2635 | onlyIfAbsent = onlyIfAbsent || false;
|
---|
2636 | for (var property in methods) {
|
---|
2637 | var value = methods[property];
|
---|
2638 | if (!Object.isFunction(value)) continue;
|
---|
2639 | if (!onlyIfAbsent || !(property in destination))
|
---|
2640 | destination[property] = value.methodize();
|
---|
2641 | }
|
---|
2642 | }
|
---|
2643 |
|
---|
2644 | function findDOMClass(tagName) {
|
---|
2645 | var klass;
|
---|
2646 | var trans = {
|
---|
2647 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
|
---|
2648 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
|
---|
2649 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
|
---|
2650 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
|
---|
2651 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
|
---|
2652 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
|
---|
2653 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
|
---|
2654 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
|
---|
2655 | "FrameSet", "IFRAME": "IFrame"
|
---|
2656 | };
|
---|
2657 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
|
---|
2658 | if (window[klass]) return window[klass];
|
---|
2659 | klass = 'HTML' + tagName + 'Element';
|
---|
2660 | if (window[klass]) return window[klass];
|
---|
2661 | klass = 'HTML' + tagName.capitalize() + 'Element';
|
---|
2662 | if (window[klass]) return window[klass];
|
---|
2663 |
|
---|
2664 | window[klass] = { };
|
---|
2665 | window[klass].prototype = document.createElement(tagName)['__proto__'];
|
---|
2666 | return window[klass];
|
---|
2667 | }
|
---|
2668 |
|
---|
2669 | if (F.ElementExtensions) {
|
---|
2670 | copy(Element.Methods, HTMLElement.prototype);
|
---|
2671 | copy(Element.Methods.Simulated, HTMLElement.prototype, true);
|
---|
2672 | }
|
---|
2673 |
|
---|
2674 | if (F.SpecificElementExtensions) {
|
---|
2675 | for (var tag in Element.Methods.ByTag) {
|
---|
2676 | var klass = findDOMClass(tag);
|
---|
2677 | if (Object.isUndefined(klass)) continue;
|
---|
2678 | copy(T[tag], klass.prototype);
|
---|
2679 | }
|
---|
2680 | }
|
---|
2681 |
|
---|
2682 | Object.extend(Element, Element.Methods);
|
---|
2683 | delete Element.ByTag;
|
---|
2684 |
|
---|
2685 | if (Element.extend.refresh) Element.extend.refresh();
|
---|
2686 | Element.cache = { };
|
---|
2687 | };
|
---|
2688 |
|
---|
2689 | document.viewport = {
|
---|
2690 | getDimensions: function() {
|
---|
2691 | var dimensions = { }, B = Prototype.Browser;
|
---|
2692 | $w('width height').each(function(d) {
|
---|
2693 | var D = d.capitalize();
|
---|
2694 | if (B.WebKit && !document.evaluate) {
|
---|
2695 | // Safari <3.0 needs self.innerWidth/Height
|
---|
2696 | dimensions[d] = self['inner' + D];
|
---|
2697 | } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
|
---|
2698 | // Opera <9.5 needs document.body.clientWidth/Height
|
---|
2699 | dimensions[d] = document.body['client' + D]
|
---|
2700 | } else {
|
---|
2701 | dimensions[d] = document.documentElement['client' + D];
|
---|
2702 | }
|
---|
2703 | });
|
---|
2704 | return dimensions;
|
---|
2705 | },
|
---|
2706 |
|
---|
2707 | getWidth: function() {
|
---|
2708 | return this.getDimensions().width;
|
---|
2709 | },
|
---|
2710 |
|
---|
2711 | getHeight: function() {
|
---|
2712 | return this.getDimensions().height;
|
---|
2713 | },
|
---|
2714 |
|
---|
2715 | getScrollOffsets: function() {
|
---|
2716 | return Element._returnOffset(
|
---|
2717 | window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
|
---|
2718 | window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
|
---|
2719 | }
|
---|
2720 | };
|
---|
2721 | /* Portions of the Selector class are derived from Jack Slocum's DomQuery,
|
---|
2722 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
|
---|
2723 | * license. Please see http://www.yui-ext.com/ for more information. */
|
---|
2724 |
|
---|
2725 | var Selector = Class.create({
|
---|
2726 | initialize: function(expression) {
|
---|
2727 | this.expression = expression.strip();
|
---|
2728 |
|
---|
2729 | if (this.shouldUseSelectorsAPI()) {
|
---|
2730 | this.mode = 'selectorsAPI';
|
---|
2731 | } else if (this.shouldUseXPath()) {
|
---|
2732 | this.mode = 'xpath';
|
---|
2733 | this.compileXPathMatcher();
|
---|
2734 | } else {
|
---|
2735 | this.mode = "normal";
|
---|
2736 | this.compileMatcher();
|
---|
2737 | }
|
---|
2738 |
|
---|
2739 | },
|
---|
2740 |
|
---|
2741 | shouldUseXPath: function() {
|
---|
2742 | if (!Prototype.BrowserFeatures.XPath) return false;
|
---|
2743 |
|
---|
2744 | var e = this.expression;
|
---|
2745 |
|
---|
2746 | // Safari 3 chokes on :*-of-type and :empty
|
---|
2747 | if (Prototype.Browser.WebKit &&
|
---|
2748 | (e.include("-of-type") || e.include(":empty")))
|
---|
2749 | return false;
|
---|
2750 |
|
---|
2751 | // XPath can't do namespaced attributes, nor can it read
|
---|
2752 | // the "checked" property from DOM nodes
|
---|
2753 | if ((/(\[[\w-]*?:|:checked)/).test(e))
|
---|
2754 | return false;
|
---|
2755 |
|
---|
2756 | return true;
|
---|
2757 | },
|
---|
2758 |
|
---|
2759 | shouldUseSelectorsAPI: function() {
|
---|
2760 | if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
|
---|
2761 |
|
---|
2762 | if (!Selector._div) Selector._div = new Element('div');
|
---|
2763 |
|
---|
2764 | // Make sure the browser treats the selector as valid. Test on an
|
---|
2765 | // isolated element to minimize cost of this check.
|
---|
2766 | try {
|
---|
2767 | Selector._div.querySelector(this.expression);
|
---|
2768 | } catch(e) {
|
---|
2769 | return false;
|
---|
2770 | }
|
---|
2771 |
|
---|
2772 | return true;
|
---|
2773 | },
|
---|
2774 |
|
---|
2775 | compileMatcher: function() {
|
---|
2776 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
|
---|
2777 | c = Selector.criteria, le, p, m;
|
---|
2778 |
|
---|
2779 | if (Selector._cache[e]) {
|
---|
2780 | this.matcher = Selector._cache[e];
|
---|
2781 | return;
|
---|
2782 | }
|
---|
2783 |
|
---|
2784 | this.matcher = ["this.matcher = function(root) {",
|
---|
2785 | "var r = root, h = Selector.handlers, c = false, n;"];
|
---|
2786 |
|
---|
2787 | while (e && le != e && (/\S/).test(e)) {
|
---|
2788 | le = e;
|
---|
2789 | for (var i in ps) {
|
---|
2790 | p = ps[i];
|
---|
2791 | if (m = e.match(p)) {
|
---|
2792 | this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
|
---|
2793 | new Template(c[i]).evaluate(m));
|
---|
2794 | e = e.replace(m[0], '');
|
---|
2795 | break;
|
---|
2796 | }
|
---|
2797 | }
|
---|
2798 | }
|
---|
2799 |
|
---|
2800 | this.matcher.push("return h.unique(n);\n}");
|
---|
2801 | eval(this.matcher.join('\n'));
|
---|
2802 | Selector._cache[this.expression] = this.matcher;
|
---|
2803 | },
|
---|
2804 |
|
---|
2805 | compileXPathMatcher: function() {
|
---|
2806 | var e = this.expression, ps = Selector.patterns,
|
---|
2807 | x = Selector.xpath, le, m;
|
---|
2808 |
|
---|
2809 | if (Selector._cache[e]) {
|
---|
2810 | this.xpath = Selector._cache[e]; return;
|
---|
2811 | }
|
---|
2812 |
|
---|
2813 | this.matcher = ['.//*'];
|
---|
2814 | while (e && le != e && (/\S/).test(e)) {
|
---|
2815 | le = e;
|
---|
2816 | for (var i in ps) {
|
---|
2817 | if (m = e.match(ps[i])) {
|
---|
2818 | this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
|
---|
2819 | new Template(x[i]).evaluate(m));
|
---|
2820 | e = e.replace(m[0], '');
|
---|
2821 | break;
|
---|
2822 | }
|
---|
2823 | }
|
---|
2824 | }
|
---|
2825 |
|
---|
2826 | this.xpath = this.matcher.join('');
|
---|
2827 | Selector._cache[this.expression] = this.xpath;
|
---|
2828 | },
|
---|
2829 |
|
---|
2830 | findElements: function(root) {
|
---|
2831 | root = root || document;
|
---|
2832 | var e = this.expression, results;
|
---|
2833 |
|
---|
2834 | switch (this.mode) {
|
---|
2835 | case 'selectorsAPI':
|
---|
2836 | // querySelectorAll queries document-wide, then filters to descendants
|
---|
2837 | // of the context element. That's not what we want.
|
---|
2838 | // Add an explicit context to the selector if necessary.
|
---|
2839 | if (root !== document) {
|
---|
2840 | var oldId = root.id, id = $(root).identify();
|
---|
2841 | e = "#" + id + " " + e;
|
---|
2842 | }
|
---|
2843 |
|
---|
2844 | results = $A(root.querySelectorAll(e)).map(Element.extend);
|
---|
2845 | root.id = oldId;
|
---|
2846 |
|
---|
2847 | return results;
|
---|
2848 | case 'xpath':
|
---|
2849 | return document._getElementsByXPath(this.xpath, root);
|
---|
2850 | default:
|
---|
2851 | return this.matcher(root);
|
---|
2852 | }
|
---|
2853 | },
|
---|
2854 |
|
---|
2855 | match: function(element) {
|
---|
2856 | this.tokens = [];
|
---|
2857 |
|
---|
2858 | var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
|
---|
2859 | var le, p, m;
|
---|
2860 |
|
---|
2861 | while (e && le !== e && (/\S/).test(e)) {
|
---|
2862 | le = e;
|
---|
2863 | for (var i in ps) {
|
---|
2864 | p = ps[i];
|
---|
2865 | if (m = e.match(p)) {
|
---|
2866 | // use the Selector.assertions methods unless the selector
|
---|
2867 | // is too complex.
|
---|
2868 | if (as[i]) {
|
---|
2869 | this.tokens.push([i, Object.clone(m)]);
|
---|
2870 | e = e.replace(m[0], '');
|
---|
2871 | } else {
|
---|
2872 | // reluctantly do a document-wide search
|
---|
2873 | // and look for a match in the array
|
---|
2874 | return this.findElements(document).include(element);
|
---|
2875 | }
|
---|
2876 | }
|
---|
2877 | }
|
---|
2878 | }
|
---|
2879 |
|
---|
2880 | var match = true, name, matches;
|
---|
2881 | for (var i = 0, token; token = this.tokens[i]; i++) {
|
---|
2882 | name = token[0], matches = token[1];
|
---|
2883 | if (!Selector.assertions[name](element, matches)) {
|
---|
2884 | match = false; break;
|
---|
2885 | }
|
---|
2886 | }
|
---|
2887 |
|
---|
2888 | return match;
|
---|
2889 | },
|
---|
2890 |
|
---|
2891 | toString: function() {
|
---|
2892 | return this.expression;
|
---|
2893 | },
|
---|
2894 |
|
---|
2895 | inspect: function() {
|
---|
2896 | return "#<Selector:" + this.expression.inspect() + ">";
|
---|
2897 | }
|
---|
2898 | });
|
---|
2899 |
|
---|
2900 | Object.extend(Selector, {
|
---|
2901 | _cache: { },
|
---|
2902 |
|
---|
2903 | xpath: {
|
---|
2904 | descendant: "//*",
|
---|
2905 | child: "/*",
|
---|
2906 | adjacent: "/following-sibling::*[1]",
|
---|
2907 | laterSibling: '/following-sibling::*',
|
---|
2908 | tagName: function(m) {
|
---|
2909 | if (m[1] == '*') return '';
|
---|
2910 | return "[local-name()='" + m[1].toLowerCase() +
|
---|
2911 | "' or local-name()='" + m[1].toUpperCase() + "']";
|
---|
2912 | },
|
---|
2913 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
|
---|
2914 | id: "[@id='#{1}']",
|
---|
2915 | attrPresence: function(m) {
|
---|
2916 | m[1] = m[1].toLowerCase();
|
---|
2917 | return new Template("[@#{1}]").evaluate(m);
|
---|
2918 | },
|
---|
2919 | attr: function(m) {
|
---|
2920 | m[1] = m[1].toLowerCase();
|
---|
2921 | m[3] = m[5] || m[6];
|
---|
2922 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
|
---|
2923 | },
|
---|
2924 | pseudo: function(m) {
|
---|
2925 | var h = Selector.xpath.pseudos[m[1]];
|
---|
2926 | if (!h) return '';
|
---|
2927 | if (Object.isFunction(h)) return h(m);
|
---|
2928 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
|
---|
2929 | },
|
---|
2930 | operators: {
|
---|
2931 | '=': "[@#{1}='#{3}']",
|
---|
2932 | '!=': "[@#{1}!='#{3}']",
|
---|
2933 | '^=': "[starts-with(@#{1}, '#{3}')]",
|
---|
2934 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
|
---|
2935 | '*=': "[contains(@#{1}, '#{3}')]",
|
---|
2936 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
|
---|
2937 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
|
---|
2938 | },
|
---|
2939 | pseudos: {
|
---|
2940 | 'first-child': '[not(preceding-sibling::*)]',
|
---|
2941 | 'last-child': '[not(following-sibling::*)]',
|
---|
2942 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
|
---|
2943 | 'empty': "[count(*) = 0 and (count(text()) = 0)]",
|
---|
2944 | 'checked': "[@checked]",
|
---|
2945 | 'disabled': "[(@disabled) and (@type!='hidden')]",
|
---|
2946 | 'enabled': "[not(@disabled) and (@type!='hidden')]",
|
---|
2947 | 'not': function(m) {
|
---|
2948 | var e = m[6], p = Selector.patterns,
|
---|
2949 | x = Selector.xpath, le, v;
|
---|
2950 |
|
---|
2951 | var exclusion = [];
|
---|
2952 | while (e && le != e && (/\S/).test(e)) {
|
---|
2953 | le = e;
|
---|
2954 | for (var i in p) {
|
---|
2955 | if (m = e.match(p[i])) {
|
---|
2956 | v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
|
---|
2957 | exclusion.push("(" + v.substring(1, v.length - 1) + ")");
|
---|
2958 | e = e.replace(m[0], '');
|
---|
2959 | break;
|
---|
2960 | }
|
---|
2961 | }
|
---|
2962 | }
|
---|
2963 | return "[not(" + exclusion.join(" and ") + ")]";
|
---|
2964 | },
|
---|
2965 | 'nth-child': function(m) {
|
---|
2966 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
|
---|
2967 | },
|
---|
2968 | 'nth-last-child': function(m) {
|
---|
2969 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
|
---|
2970 | },
|
---|
2971 | 'nth-of-type': function(m) {
|
---|
2972 | return Selector.xpath.pseudos.nth("position() ", m);
|
---|
2973 | },
|
---|
2974 | 'nth-last-of-type': function(m) {
|
---|
2975 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
|
---|
2976 | },
|
---|
2977 | 'first-of-type': function(m) {
|
---|
2978 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
|
---|
2979 | },
|
---|
2980 | 'last-of-type': function(m) {
|
---|
2981 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
|
---|
2982 | },
|
---|
2983 | 'only-of-type': function(m) {
|
---|
2984 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
|
---|
2985 | },
|
---|
2986 | nth: function(fragment, m) {
|
---|
2987 | var mm, formula = m[6], predicate;
|
---|
2988 | if (formula == 'even') formula = '2n+0';
|
---|
2989 | if (formula == 'odd') formula = '2n+1';
|
---|
2990 | if (mm = formula.match(/^(\d+)$/)) // digit only
|
---|
2991 | return '[' + fragment + "= " + mm[1] + ']';
|
---|
2992 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
|
---|
2993 | if (mm[1] == "-") mm[1] = -1;
|
---|
2994 | var a = mm[1] ? Number(mm[1]) : 1;
|
---|
2995 | var b = mm[2] ? Number(mm[2]) : 0;
|
---|
2996 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
|
---|
2997 | "((#{fragment} - #{b}) div #{a} >= 0)]";
|
---|
2998 | return new Template(predicate).evaluate({
|
---|
2999 | fragment: fragment, a: a, b: b });
|
---|
3000 | }
|
---|
3001 | }
|
---|
3002 | }
|
---|
3003 | },
|
---|
3004 |
|
---|
3005 | criteria: {
|
---|
3006 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
|
---|
3007 | className: 'n = h.className(n, r, "#{1}", c); c = false;',
|
---|
3008 | id: 'n = h.id(n, r, "#{1}", c); c = false;',
|
---|
3009 | attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
|
---|
3010 | attr: function(m) {
|
---|
3011 | m[3] = (m[5] || m[6]);
|
---|
3012 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
|
---|
3013 | },
|
---|
3014 | pseudo: function(m) {
|
---|
3015 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
|
---|
3016 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
|
---|
3017 | },
|
---|
3018 | descendant: 'c = "descendant";',
|
---|
3019 | child: 'c = "child";',
|
---|
3020 | adjacent: 'c = "adjacent";',
|
---|
3021 | laterSibling: 'c = "laterSibling";'
|
---|
3022 | },
|
---|
3023 |
|
---|
3024 | patterns: {
|
---|
3025 | // combinators must be listed first
|
---|
3026 | // (and descendant needs to be last combinator)
|
---|
3027 | laterSibling: /^\s*~\s*/,
|
---|
3028 | child: /^\s*>\s*/,
|
---|
3029 | adjacent: /^\s*\+\s*/,
|
---|
3030 | descendant: /^\s/,
|
---|
3031 |
|
---|
3032 | // selectors follow
|
---|
3033 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
|
---|
3034 | id: /^#([\w\-\*]+)(\b|$)/,
|
---|
3035 | className: /^\.([\w\-\*]+)(\b|$)/,
|
---|
3036 | pseudo:
|
---|
3037 | /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
|
---|
3038 | attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
|
---|
3039 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
|
---|
3040 | },
|
---|
3041 |
|
---|
3042 | // for Selector.match and Element#match
|
---|
3043 | assertions: {
|
---|
3044 | tagName: function(element, matches) {
|
---|
3045 | return matches[1].toUpperCase() == element.tagName.toUpperCase();
|
---|
3046 | },
|
---|
3047 |
|
---|
3048 | className: function(element, matches) {
|
---|
3049 | return Element.hasClassName(element, matches[1]);
|
---|
3050 | },
|
---|
3051 |
|
---|
3052 | id: function(element, matches) {
|
---|
3053 | return element.id === matches[1];
|
---|
3054 | },
|
---|
3055 |
|
---|
3056 | attrPresence: function(element, matches) {
|
---|
3057 | return Element.hasAttribute(element, matches[1]);
|
---|
3058 | },
|
---|
3059 |
|
---|
3060 | attr: function(element, matches) {
|
---|
3061 | var nodeValue = Element.readAttribute(element, matches[1]);
|
---|
3062 | return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
|
---|
3063 | }
|
---|
3064 | },
|
---|
3065 |
|
---|
3066 | handlers: {
|
---|
3067 | // UTILITY FUNCTIONS
|
---|
3068 | // joins two collections
|
---|
3069 | concat: function(a, b) {
|
---|
3070 | for (var i = 0, node; node = b[i]; i++)
|
---|
3071 | a.push(node);
|
---|
3072 | return a;
|
---|
3073 | },
|
---|
3074 |
|
---|
3075 | // marks an array of nodes for counting
|
---|
3076 | mark: function(nodes) {
|
---|
3077 | var _true = Prototype.emptyFunction;
|
---|
3078 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3079 | node._countedByPrototype = _true;
|
---|
3080 | return nodes;
|
---|
3081 | },
|
---|
3082 |
|
---|
3083 | unmark: function(nodes) {
|
---|
3084 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3085 | node._countedByPrototype = undefined;
|
---|
3086 | return nodes;
|
---|
3087 | },
|
---|
3088 |
|
---|
3089 | // mark each child node with its position (for nth calls)
|
---|
3090 | // "ofType" flag indicates whether we're indexing for nth-of-type
|
---|
3091 | // rather than nth-child
|
---|
3092 | index: function(parentNode, reverse, ofType) {
|
---|
3093 | parentNode._countedByPrototype = Prototype.emptyFunction;
|
---|
3094 | if (reverse) {
|
---|
3095 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
|
---|
3096 | var node = nodes[i];
|
---|
3097 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
|
---|
3098 | }
|
---|
3099 | } else {
|
---|
3100 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
|
---|
3101 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
|
---|
3102 | }
|
---|
3103 | },
|
---|
3104 |
|
---|
3105 | // filters out duplicates and extends all nodes
|
---|
3106 | unique: function(nodes) {
|
---|
3107 | if (nodes.length == 0) return nodes;
|
---|
3108 | var results = [], n;
|
---|
3109 | for (var i = 0, l = nodes.length; i < l; i++)
|
---|
3110 | if (!(n = nodes[i])._countedByPrototype) {
|
---|
3111 | n._countedByPrototype = Prototype.emptyFunction;
|
---|
3112 | results.push(Element.extend(n));
|
---|
3113 | }
|
---|
3114 | return Selector.handlers.unmark(results);
|
---|
3115 | },
|
---|
3116 |
|
---|
3117 | // COMBINATOR FUNCTIONS
|
---|
3118 | descendant: function(nodes) {
|
---|
3119 | var h = Selector.handlers;
|
---|
3120 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
3121 | h.concat(results, node.getElementsByTagName('*'));
|
---|
3122 | return results;
|
---|
3123 | },
|
---|
3124 |
|
---|
3125 | child: function(nodes) {
|
---|
3126 | var h = Selector.handlers;
|
---|
3127 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
3128 | for (var j = 0, child; child = node.childNodes[j]; j++)
|
---|
3129 | if (child.nodeType == 1 && child.tagName != '!') results.push(child);
|
---|
3130 | }
|
---|
3131 | return results;
|
---|
3132 | },
|
---|
3133 |
|
---|
3134 | adjacent: function(nodes) {
|
---|
3135 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
3136 | var next = this.nextElementSibling(node);
|
---|
3137 | if (next) results.push(next);
|
---|
3138 | }
|
---|
3139 | return results;
|
---|
3140 | },
|
---|
3141 |
|
---|
3142 | laterSibling: function(nodes) {
|
---|
3143 | var h = Selector.handlers;
|
---|
3144 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
3145 | h.concat(results, Element.nextSiblings(node));
|
---|
3146 | return results;
|
---|
3147 | },
|
---|
3148 |
|
---|
3149 | nextElementSibling: function(node) {
|
---|
3150 | while (node = node.nextSibling)
|
---|
3151 | if (node.nodeType == 1) return node;
|
---|
3152 | return null;
|
---|
3153 | },
|
---|
3154 |
|
---|
3155 | previousElementSibling: function(node) {
|
---|
3156 | while (node = node.previousSibling)
|
---|
3157 | if (node.nodeType == 1) return node;
|
---|
3158 | return null;
|
---|
3159 | },
|
---|
3160 |
|
---|
3161 | // TOKEN FUNCTIONS
|
---|
3162 | tagName: function(nodes, root, tagName, combinator) {
|
---|
3163 | var uTagName = tagName.toUpperCase();
|
---|
3164 | var results = [], h = Selector.handlers;
|
---|
3165 | if (nodes) {
|
---|
3166 | if (combinator) {
|
---|
3167 | // fastlane for ordinary descendant combinators
|
---|
3168 | if (combinator == "descendant") {
|
---|
3169 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3170 | h.concat(results, node.getElementsByTagName(tagName));
|
---|
3171 | return results;
|
---|
3172 | } else nodes = this[combinator](nodes);
|
---|
3173 | if (tagName == "*") return nodes;
|
---|
3174 | }
|
---|
3175 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3176 | if (node.tagName.toUpperCase() === uTagName) results.push(node);
|
---|
3177 | return results;
|
---|
3178 | } else return root.getElementsByTagName(tagName);
|
---|
3179 | },
|
---|
3180 |
|
---|
3181 | id: function(nodes, root, id, combinator) {
|
---|
3182 | var targetNode = $(id), h = Selector.handlers;
|
---|
3183 | if (!targetNode) return [];
|
---|
3184 | if (!nodes && root == document) return [targetNode];
|
---|
3185 | if (nodes) {
|
---|
3186 | if (combinator) {
|
---|
3187 | if (combinator == 'child') {
|
---|
3188 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3189 | if (targetNode.parentNode == node) return [targetNode];
|
---|
3190 | } else if (combinator == 'descendant') {
|
---|
3191 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3192 | if (Element.descendantOf(targetNode, node)) return [targetNode];
|
---|
3193 | } else if (combinator == 'adjacent') {
|
---|
3194 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3195 | if (Selector.handlers.previousElementSibling(targetNode) == node)
|
---|
3196 | return [targetNode];
|
---|
3197 | } else nodes = h[combinator](nodes);
|
---|
3198 | }
|
---|
3199 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3200 | if (node == targetNode) return [targetNode];
|
---|
3201 | return [];
|
---|
3202 | }
|
---|
3203 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
|
---|
3204 | },
|
---|
3205 |
|
---|
3206 | className: function(nodes, root, className, combinator) {
|
---|
3207 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
3208 | return Selector.handlers.byClassName(nodes, root, className);
|
---|
3209 | },
|
---|
3210 |
|
---|
3211 | byClassName: function(nodes, root, className) {
|
---|
3212 | if (!nodes) nodes = Selector.handlers.descendant([root]);
|
---|
3213 | var needle = ' ' + className + ' ';
|
---|
3214 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
|
---|
3215 | nodeClassName = node.className;
|
---|
3216 | if (nodeClassName.length == 0) continue;
|
---|
3217 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
|
---|
3218 | results.push(node);
|
---|
3219 | }
|
---|
3220 | return results;
|
---|
3221 | },
|
---|
3222 |
|
---|
3223 | attrPresence: function(nodes, root, attr, combinator) {
|
---|
3224 | if (!nodes) nodes = root.getElementsByTagName("*");
|
---|
3225 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
3226 | var results = [];
|
---|
3227 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3228 | if (Element.hasAttribute(node, attr)) results.push(node);
|
---|
3229 | return results;
|
---|
3230 | },
|
---|
3231 |
|
---|
3232 | attr: function(nodes, root, attr, value, operator, combinator) {
|
---|
3233 | if (!nodes) nodes = root.getElementsByTagName("*");
|
---|
3234 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
3235 | var handler = Selector.operators[operator], results = [];
|
---|
3236 | for (var i = 0, node; node = nodes[i]; i++) {
|
---|
3237 | var nodeValue = Element.readAttribute(node, attr);
|
---|
3238 | if (nodeValue === null) continue;
|
---|
3239 | if (handler(nodeValue, value)) results.push(node);
|
---|
3240 | }
|
---|
3241 | return results;
|
---|
3242 | },
|
---|
3243 |
|
---|
3244 | pseudo: function(nodes, name, value, root, combinator) {
|
---|
3245 | if (nodes && combinator) nodes = this[combinator](nodes);
|
---|
3246 | if (!nodes) nodes = root.getElementsByTagName("*");
|
---|
3247 | return Selector.pseudos[name](nodes, value, root);
|
---|
3248 | }
|
---|
3249 | },
|
---|
3250 |
|
---|
3251 | pseudos: {
|
---|
3252 | 'first-child': function(nodes, value, root) {
|
---|
3253 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
3254 | if (Selector.handlers.previousElementSibling(node)) continue;
|
---|
3255 | results.push(node);
|
---|
3256 | }
|
---|
3257 | return results;
|
---|
3258 | },
|
---|
3259 | 'last-child': function(nodes, value, root) {
|
---|
3260 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
3261 | if (Selector.handlers.nextElementSibling(node)) continue;
|
---|
3262 | results.push(node);
|
---|
3263 | }
|
---|
3264 | return results;
|
---|
3265 | },
|
---|
3266 | 'only-child': function(nodes, value, root) {
|
---|
3267 | var h = Selector.handlers;
|
---|
3268 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
3269 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
|
---|
3270 | results.push(node);
|
---|
3271 | return results;
|
---|
3272 | },
|
---|
3273 | 'nth-child': function(nodes, formula, root) {
|
---|
3274 | return Selector.pseudos.nth(nodes, formula, root);
|
---|
3275 | },
|
---|
3276 | 'nth-last-child': function(nodes, formula, root) {
|
---|
3277 | return Selector.pseudos.nth(nodes, formula, root, true);
|
---|
3278 | },
|
---|
3279 | 'nth-of-type': function(nodes, formula, root) {
|
---|
3280 | return Selector.pseudos.nth(nodes, formula, root, false, true);
|
---|
3281 | },
|
---|
3282 | 'nth-last-of-type': function(nodes, formula, root) {
|
---|
3283 | return Selector.pseudos.nth(nodes, formula, root, true, true);
|
---|
3284 | },
|
---|
3285 | 'first-of-type': function(nodes, formula, root) {
|
---|
3286 | return Selector.pseudos.nth(nodes, "1", root, false, true);
|
---|
3287 | },
|
---|
3288 | 'last-of-type': function(nodes, formula, root) {
|
---|
3289 | return Selector.pseudos.nth(nodes, "1", root, true, true);
|
---|
3290 | },
|
---|
3291 | 'only-of-type': function(nodes, formula, root) {
|
---|
3292 | var p = Selector.pseudos;
|
---|
3293 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
|
---|
3294 | },
|
---|
3295 |
|
---|
3296 | // handles the an+b logic
|
---|
3297 | getIndices: function(a, b, total) {
|
---|
3298 | if (a == 0) return b > 0 ? [b] : [];
|
---|
3299 | return $R(1, total).inject([], function(memo, i) {
|
---|
3300 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
|
---|
3301 | return memo;
|
---|
3302 | });
|
---|
3303 | },
|
---|
3304 |
|
---|
3305 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
|
---|
3306 | nth: function(nodes, formula, root, reverse, ofType) {
|
---|
3307 | if (nodes.length == 0) return [];
|
---|
3308 | if (formula == 'even') formula = '2n+0';
|
---|
3309 | if (formula == 'odd') formula = '2n+1';
|
---|
3310 | var h = Selector.handlers, results = [], indexed = [], m;
|
---|
3311 | h.mark(nodes);
|
---|
3312 | for (var i = 0, node; node = nodes[i]; i++) {
|
---|
3313 | if (!node.parentNode._countedByPrototype) {
|
---|
3314 | h.index(node.parentNode, reverse, ofType);
|
---|
3315 | indexed.push(node.parentNode);
|
---|
3316 | }
|
---|
3317 | }
|
---|
3318 | if (formula.match(/^\d+$/)) { // just a number
|
---|
3319 | formula = Number(formula);
|
---|
3320 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3321 | if (node.nodeIndex == formula) results.push(node);
|
---|
3322 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
|
---|
3323 | if (m[1] == "-") m[1] = -1;
|
---|
3324 | var a = m[1] ? Number(m[1]) : 1;
|
---|
3325 | var b = m[2] ? Number(m[2]) : 0;
|
---|
3326 | var indices = Selector.pseudos.getIndices(a, b, nodes.length);
|
---|
3327 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
|
---|
3328 | for (var j = 0; j < l; j++)
|
---|
3329 | if (node.nodeIndex == indices[j]) results.push(node);
|
---|
3330 | }
|
---|
3331 | }
|
---|
3332 | h.unmark(nodes);
|
---|
3333 | h.unmark(indexed);
|
---|
3334 | return results;
|
---|
3335 | },
|
---|
3336 |
|
---|
3337 | 'empty': function(nodes, value, root) {
|
---|
3338 | for (var i = 0, results = [], node; node = nodes[i]; i++) {
|
---|
3339 | // IE treats comments as element nodes
|
---|
3340 | if (node.tagName == '!' || node.firstChild) continue;
|
---|
3341 | results.push(node);
|
---|
3342 | }
|
---|
3343 | return results;
|
---|
3344 | },
|
---|
3345 |
|
---|
3346 | 'not': function(nodes, selector, root) {
|
---|
3347 | var h = Selector.handlers, selectorType, m;
|
---|
3348 | var exclusions = new Selector(selector).findElements(root);
|
---|
3349 | h.mark(exclusions);
|
---|
3350 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
3351 | if (!node._countedByPrototype) results.push(node);
|
---|
3352 | h.unmark(exclusions);
|
---|
3353 | return results;
|
---|
3354 | },
|
---|
3355 |
|
---|
3356 | 'enabled': function(nodes, value, root) {
|
---|
3357 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
3358 | if (!node.disabled && (!node.type || node.type !== 'hidden'))
|
---|
3359 | results.push(node);
|
---|
3360 | return results;
|
---|
3361 | },
|
---|
3362 |
|
---|
3363 | 'disabled': function(nodes, value, root) {
|
---|
3364 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
3365 | if (node.disabled) results.push(node);
|
---|
3366 | return results;
|
---|
3367 | },
|
---|
3368 |
|
---|
3369 | 'checked': function(nodes, value, root) {
|
---|
3370 | for (var i = 0, results = [], node; node = nodes[i]; i++)
|
---|
3371 | if (node.checked) results.push(node);
|
---|
3372 | return results;
|
---|
3373 | }
|
---|
3374 | },
|
---|
3375 |
|
---|
3376 | operators: {
|
---|
3377 | '=': function(nv, v) { return nv == v; },
|
---|
3378 | '!=': function(nv, v) { return nv != v; },
|
---|
3379 | '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
|
---|
3380 | '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
|
---|
3381 | '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
|
---|
3382 | '$=': function(nv, v) { return nv.endsWith(v); },
|
---|
3383 | '*=': function(nv, v) { return nv.include(v); },
|
---|
3384 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
|
---|
3385 | '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
|
---|
3386 | '-').include('-' + (v || "").toUpperCase() + '-'); }
|
---|
3387 | },
|
---|
3388 |
|
---|
3389 | split: function(expression) {
|
---|
3390 | var expressions = [];
|
---|
3391 | expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
|
---|
3392 | expressions.push(m[1].strip());
|
---|
3393 | });
|
---|
3394 | return expressions;
|
---|
3395 | },
|
---|
3396 |
|
---|
3397 | matchElements: function(elements, expression) {
|
---|
3398 | var matches = $$(expression), h = Selector.handlers;
|
---|
3399 | h.mark(matches);
|
---|
3400 | for (var i = 0, results = [], element; element = elements[i]; i++)
|
---|
3401 | if (element._countedByPrototype) results.push(element);
|
---|
3402 | h.unmark(matches);
|
---|
3403 | return results;
|
---|
3404 | },
|
---|
3405 |
|
---|
3406 | findElement: function(elements, expression, index) {
|
---|
3407 | if (Object.isNumber(expression)) {
|
---|
3408 | index = expression; expression = false;
|
---|
3409 | }
|
---|
3410 | return Selector.matchElements(elements, expression || '*')[index || 0];
|
---|
3411 | },
|
---|
3412 |
|
---|
3413 | findChildElements: function(element, expressions) {
|
---|
3414 | expressions = Selector.split(expressions.join(','));
|
---|
3415 | var results = [], h = Selector.handlers;
|
---|
3416 | for (var i = 0, l = expressions.length, selector; i < l; i++) {
|
---|
3417 | selector = new Selector(expressions[i].strip());
|
---|
3418 | h.concat(results, selector.findElements(element));
|
---|
3419 | }
|
---|
3420 | return (l > 1) ? h.unique(results) : results;
|
---|
3421 | }
|
---|
3422 | });
|
---|
3423 |
|
---|
3424 | if (Prototype.Browser.IE) {
|
---|
3425 | Object.extend(Selector.handlers, {
|
---|
3426 | // IE returns comment nodes on getElementsByTagName("*").
|
---|
3427 | // Filter them out.
|
---|
3428 | concat: function(a, b) {
|
---|
3429 | for (var i = 0, node; node = b[i]; i++)
|
---|
3430 | if (node.tagName !== "!") a.push(node);
|
---|
3431 | return a;
|
---|
3432 | },
|
---|
3433 |
|
---|
3434 | // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
|
---|
3435 | unmark: function(nodes) {
|
---|
3436 | for (var i = 0, node; node = nodes[i]; i++)
|
---|
3437 | node.removeAttribute('_countedByPrototype');
|
---|
3438 | return nodes;
|
---|
3439 | }
|
---|
3440 | });
|
---|
3441 | }
|
---|
3442 |
|
---|
3443 | function $$() {
|
---|
3444 | return Selector.findChildElements(document, $A(arguments));
|
---|
3445 | }
|
---|
3446 | var Form = {
|
---|
3447 | reset: function(form) {
|
---|
3448 | $(form).reset();
|
---|
3449 | return form;
|
---|
3450 | },
|
---|
3451 |
|
---|
3452 | serializeElements: function(elements, options) {
|
---|
3453 | if (typeof options != 'object') options = { hash: !!options };
|
---|
3454 | else if (Object.isUndefined(options.hash)) options.hash = true;
|
---|
3455 | var key, value, submitted = false, submit = options.submit;
|
---|
3456 |
|
---|
3457 | var data = elements.inject({ }, function(result, element) {
|
---|
3458 | if (!element.disabled && element.name) {
|
---|
3459 | key = element.name; value = $(element).getValue();
|
---|
3460 | if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
|
---|
3461 | submit !== false && (!submit || key == submit) && (submitted = true)))) {
|
---|
3462 | if (key in result) {
|
---|
3463 | // a key is already present; construct an array of values
|
---|
3464 | if (!Object.isArray(result[key])) result[key] = [result[key]];
|
---|
3465 | result[key].push(value);
|
---|
3466 | }
|
---|
3467 | else result[key] = value;
|
---|
3468 | }
|
---|
3469 | }
|
---|
3470 | return result;
|
---|
3471 | });
|
---|
3472 |
|
---|
3473 | return options.hash ? data : Object.toQueryString(data);
|
---|
3474 | }
|
---|
3475 | };
|
---|
3476 |
|
---|
3477 | Form.Methods = {
|
---|
3478 | serialize: function(form, options) {
|
---|
3479 | return Form.serializeElements(Form.getElements(form), options);
|
---|
3480 | },
|
---|
3481 |
|
---|
3482 | getElements: function(form) {
|
---|
3483 | return $A($(form).getElementsByTagName('*')).inject([],
|
---|
3484 | function(elements, child) {
|
---|
3485 | if (Form.Element.Serializers[child.tagName.toLowerCase()])
|
---|
3486 | elements.push(Element.extend(child));
|
---|
3487 | return elements;
|
---|
3488 | }
|
---|
3489 | );
|
---|
3490 | },
|
---|
3491 |
|
---|
3492 | getInputs: function(form, typeName, name) {
|
---|
3493 | form = $(form);
|
---|
3494 | var inputs = form.getElementsByTagName('input');
|
---|
3495 |
|
---|
3496 | if (!typeName && !name) return $A(inputs).map(Element.extend);
|
---|
3497 |
|
---|
3498 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
|
---|
3499 | var input = inputs[i];
|
---|
3500 | if ((typeName && input.type != typeName) || (name && input.name != name))
|
---|
3501 | continue;
|
---|
3502 | matchingInputs.push(Element.extend(input));
|
---|
3503 | }
|
---|
3504 |
|
---|
3505 | return matchingInputs;
|
---|
3506 | },
|
---|
3507 |
|
---|
3508 | disable: function(form) {
|
---|
3509 | form = $(form);
|
---|
3510 | Form.getElements(form).invoke('disable');
|
---|
3511 | return form;
|
---|
3512 | },
|
---|
3513 |
|
---|
3514 | enable: function(form) {
|
---|
3515 | form = $(form);
|
---|
3516 | Form.getElements(form).invoke('enable');
|
---|
3517 | return form;
|
---|
3518 | },
|
---|
3519 |
|
---|
3520 | findFirstElement: function(form) {
|
---|
3521 | var elements = $(form).getElements().findAll(function(element) {
|
---|
3522 | return 'hidden' != element.type && !element.disabled;
|
---|
3523 | });
|
---|
3524 | var firstByIndex = elements.findAll(function(element) {
|
---|
3525 | return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
|
---|
3526 | }).sortBy(function(element) { return element.tabIndex }).first();
|
---|
3527 |
|
---|
3528 | return firstByIndex ? firstByIndex : elements.find(function(element) {
|
---|
3529 | return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
|
---|
3530 | });
|
---|
3531 | },
|
---|
3532 |
|
---|
3533 | focusFirstElement: function(form) {
|
---|
3534 | form = $(form);
|
---|
3535 | form.findFirstElement().activate();
|
---|
3536 | return form;
|
---|
3537 | },
|
---|
3538 |
|
---|
3539 | request: function(form, options) {
|
---|
3540 | form = $(form), options = Object.clone(options || { });
|
---|
3541 |
|
---|
3542 | var params = options.parameters, action = form.readAttribute('action') || '';
|
---|
3543 | if (action.blank()) action = window.location.href;
|
---|
3544 | options.parameters = form.serialize(true);
|
---|
3545 |
|
---|
3546 | if (params) {
|
---|
3547 | if (Object.isString(params)) params = params.toQueryParams();
|
---|
3548 | Object.extend(options.parameters, params);
|
---|
3549 | }
|
---|
3550 |
|
---|
3551 | if (form.hasAttribute('method') && !options.method)
|
---|
3552 | options.method = form.method;
|
---|
3553 |
|
---|
3554 | return new Ajax.Request(action, options);
|
---|
3555 | }
|
---|
3556 | };
|
---|
3557 |
|
---|
3558 | /*--------------------------------------------------------------------------*/
|
---|
3559 |
|
---|
3560 | Form.Element = {
|
---|
3561 | focus: function(element) {
|
---|
3562 | $(element).focus();
|
---|
3563 | return element;
|
---|
3564 | },
|
---|
3565 |
|
---|
3566 | select: function(element) {
|
---|
3567 | $(element).select();
|
---|
3568 | return element;
|
---|
3569 | }
|
---|
3570 | };
|
---|
3571 |
|
---|
3572 | Form.Element.Methods = {
|
---|
3573 | serialize: function(element) {
|
---|
3574 | element = $(element);
|
---|
3575 | if (!element.disabled && element.name) {
|
---|
3576 | var value = element.getValue();
|
---|
3577 | if (value != undefined) {
|
---|
3578 | var pair = { };
|
---|
3579 | pair[element.name] = value;
|
---|
3580 | return Object.toQueryString(pair);
|
---|
3581 | }
|
---|
3582 | }
|
---|
3583 | return '';
|
---|
3584 | },
|
---|
3585 |
|
---|
3586 | getValue: function(element) {
|
---|
3587 | element = $(element);
|
---|
3588 | var method = element.tagName.toLowerCase();
|
---|
3589 | return Form.Element.Serializers[method](element);
|
---|
3590 | },
|
---|
3591 |
|
---|
3592 | setValue: function(element, value) {
|
---|
3593 | element = $(element);
|
---|
3594 | var method = element.tagName.toLowerCase();
|
---|
3595 | Form.Element.Serializers[method](element, value);
|
---|
3596 | return element;
|
---|
3597 | },
|
---|
3598 |
|
---|
3599 | clear: function(element) {
|
---|
3600 | $(element).value = '';
|
---|
3601 | return element;
|
---|
3602 | },
|
---|
3603 |
|
---|
3604 | present: function(element) {
|
---|
3605 | return $(element).value != '';
|
---|
3606 | },
|
---|
3607 |
|
---|
3608 | activate: function(element) {
|
---|
3609 | element = $(element);
|
---|
3610 | try {
|
---|
3611 | element.focus();
|
---|
3612 | if (element.select && (element.tagName.toLowerCase() != 'input' ||
|
---|
3613 | !['button', 'reset', 'submit'].include(element.type)))
|
---|
3614 | element.select();
|
---|
3615 | } catch (e) { }
|
---|
3616 | return element;
|
---|
3617 | },
|
---|
3618 |
|
---|
3619 | disable: function(element) {
|
---|
3620 | element = $(element);
|
---|
3621 | element.disabled = true;
|
---|
3622 | return element;
|
---|
3623 | },
|
---|
3624 |
|
---|
3625 | enable: function(element) {
|
---|
3626 | element = $(element);
|
---|
3627 | element.disabled = false;
|
---|
3628 | return element;
|
---|
3629 | }
|
---|
3630 | };
|
---|
3631 |
|
---|
3632 | /*--------------------------------------------------------------------------*/
|
---|
3633 |
|
---|
3634 | var Field = Form.Element;
|
---|
3635 | var $F = Form.Element.Methods.getValue;
|
---|
3636 |
|
---|
3637 | /*--------------------------------------------------------------------------*/
|
---|
3638 |
|
---|
3639 | Form.Element.Serializers = {
|
---|
3640 | input: function(element, value) {
|
---|
3641 | switch (element.type.toLowerCase()) {
|
---|
3642 | case 'checkbox':
|
---|
3643 | case 'radio':
|
---|
3644 | return Form.Element.Serializers.inputSelector(element, value);
|
---|
3645 | default:
|
---|
3646 | return Form.Element.Serializers.textarea(element, value);
|
---|
3647 | }
|
---|
3648 | },
|
---|
3649 |
|
---|
3650 | inputSelector: function(element, value) {
|
---|
3651 | if (Object.isUndefined(value)) return element.checked ? element.value : null;
|
---|
3652 | else element.checked = !!value;
|
---|
3653 | },
|
---|
3654 |
|
---|
3655 | textarea: function(element, value) {
|
---|
3656 | if (Object.isUndefined(value)) return element.value;
|
---|
3657 | else element.value = value;
|
---|
3658 | },
|
---|
3659 |
|
---|
3660 | select: function(element, value) {
|
---|
3661 | if (Object.isUndefined(value))
|
---|
3662 | return this[element.type == 'select-one' ?
|
---|
3663 | 'selectOne' : 'selectMany'](element);
|
---|
3664 | else {
|
---|
3665 | var opt, currentValue, single = !Object.isArray(value);
|
---|
3666 | for (var i = 0, length = element.length; i < length; i++) {
|
---|
3667 | opt = element.options[i];
|
---|
3668 | currentValue = this.optionValue(opt);
|
---|
3669 | if (single) {
|
---|
3670 | if (currentValue == value) {
|
---|
3671 | opt.selected = true;
|
---|
3672 | return;
|
---|
3673 | }
|
---|
3674 | }
|
---|
3675 | else opt.selected = value.include(currentValue);
|
---|
3676 | }
|
---|
3677 | }
|
---|
3678 | },
|
---|
3679 |
|
---|
3680 | selectOne: function(element) {
|
---|
3681 | var index = element.selectedIndex;
|
---|
3682 | return index >= 0 ? this.optionValue(element.options[index]) : null;
|
---|
3683 | },
|
---|
3684 |
|
---|
3685 | selectMany: function(element) {
|
---|
3686 | var values, length = element.length;
|
---|
3687 | if (!length) return null;
|
---|
3688 |
|
---|
3689 | for (var i = 0, values = []; i < length; i++) {
|
---|
3690 | var opt = element.options[i];
|
---|
3691 | if (opt.selected) values.push(this.optionValue(opt));
|
---|
3692 | }
|
---|
3693 | return values;
|
---|
3694 | },
|
---|
3695 |
|
---|
3696 | optionValue: function(opt) {
|
---|
3697 | // extend element because hasAttribute may not be native
|
---|
3698 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
|
---|
3699 | }
|
---|
3700 | };
|
---|
3701 |
|
---|
3702 | /*--------------------------------------------------------------------------*/
|
---|
3703 |
|
---|
3704 | Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
|
---|
3705 | initialize: function($super, element, frequency, callback) {
|
---|
3706 | $super(callback, frequency);
|
---|
3707 | this.element = $(element);
|
---|
3708 | this.lastValue = this.getValue();
|
---|
3709 | },
|
---|
3710 |
|
---|
3711 | execute: function() {
|
---|
3712 | var value = this.getValue();
|
---|
3713 | if (Object.isString(this.lastValue) && Object.isString(value) ?
|
---|
3714 | this.lastValue != value : String(this.lastValue) != String(value)) {
|
---|
3715 | this.callback(this.element, value);
|
---|
3716 | this.lastValue = value;
|
---|
3717 | }
|
---|
3718 | }
|
---|
3719 | });
|
---|
3720 |
|
---|
3721 | Form.Element.Observer = Class.create(Abstract.TimedObserver, {
|
---|
3722 | getValue: function() {
|
---|
3723 | return Form.Element.getValue(this.element);
|
---|
3724 | }
|
---|
3725 | });
|
---|
3726 |
|
---|
3727 | Form.Observer = Class.create(Abstract.TimedObserver, {
|
---|
3728 | getValue: function() {
|
---|
3729 | return Form.serialize(this.element);
|
---|
3730 | }
|
---|
3731 | });
|
---|
3732 |
|
---|
3733 | /*--------------------------------------------------------------------------*/
|
---|
3734 |
|
---|
3735 | Abstract.EventObserver = Class.create({
|
---|
3736 | initialize: function(element, callback) {
|
---|
3737 | this.element = $(element);
|
---|
3738 | this.callback = callback;
|
---|
3739 |
|
---|
3740 | this.lastValue = this.getValue();
|
---|
3741 | if (this.element.tagName.toLowerCase() == 'form')
|
---|
3742 | this.registerFormCallbacks();
|
---|
3743 | else
|
---|
3744 | this.registerCallback(this.element);
|
---|
3745 | },
|
---|
3746 |
|
---|
3747 | onElementEvent: function() {
|
---|
3748 | var value = this.getValue();
|
---|
3749 | if (this.lastValue != value) {
|
---|
3750 | this.callback(this.element, value);
|
---|
3751 | this.lastValue = value;
|
---|
3752 | }
|
---|
3753 | },
|
---|
3754 |
|
---|
3755 | registerFormCallbacks: function() {
|
---|
3756 | Form.getElements(this.element).each(this.registerCallback, this);
|
---|
3757 | },
|
---|
3758 |
|
---|
3759 | registerCallback: function(element) {
|
---|
3760 | if (element.type) {
|
---|
3761 | switch (element.type.toLowerCase()) {
|
---|
3762 | case 'checkbox':
|
---|
3763 | case 'radio':
|
---|
3764 | Event.observe(element, 'click', this.onElementEvent.bind(this));
|
---|
3765 | break;
|
---|
3766 | default:
|
---|
3767 | Event.observe(element, 'change', this.onElementEvent.bind(this));
|
---|
3768 | break;
|
---|
3769 | }
|
---|
3770 | }
|
---|
3771 | }
|
---|
3772 | });
|
---|
3773 |
|
---|
3774 | Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
|
---|
3775 | getValue: function() {
|
---|
3776 | return Form.Element.getValue(this.element);
|
---|
3777 | }
|
---|
3778 | });
|
---|
3779 |
|
---|
3780 | Form.EventObserver = Class.create(Abstract.EventObserver, {
|
---|
3781 | getValue: function() {
|
---|
3782 | return Form.serialize(this.element);
|
---|
3783 | }
|
---|
3784 | });
|
---|
3785 | if (!window.Event) var Event = { };
|
---|
3786 |
|
---|
3787 | Object.extend(Event, {
|
---|
3788 | KEY_BACKSPACE: 8,
|
---|
3789 | KEY_TAB: 9,
|
---|
3790 | KEY_RETURN: 13,
|
---|
3791 | KEY_ESC: 27,
|
---|
3792 | KEY_LEFT: 37,
|
---|
3793 | KEY_UP: 38,
|
---|
3794 | KEY_RIGHT: 39,
|
---|
3795 | KEY_DOWN: 40,
|
---|
3796 | KEY_DELETE: 46,
|
---|
3797 | KEY_HOME: 36,
|
---|
3798 | KEY_END: 35,
|
---|
3799 | KEY_PAGEUP: 33,
|
---|
3800 | KEY_PAGEDOWN: 34,
|
---|
3801 | KEY_INSERT: 45,
|
---|
3802 |
|
---|
3803 | cache: { },
|
---|
3804 |
|
---|
3805 | relatedTarget: function(event) {
|
---|
3806 | var element;
|
---|
3807 | switch(event.type) {
|
---|
3808 | case 'mouseover': element = event.fromElement; break;
|
---|
3809 | case 'mouseout': element = event.toElement; break;
|
---|
3810 | default: return null;
|
---|
3811 | }
|
---|
3812 | return Element.extend(element);
|
---|
3813 | }
|
---|
3814 | });
|
---|
3815 |
|
---|
3816 | Event.Methods = (function() {
|
---|
3817 | var isButton;
|
---|
3818 |
|
---|
3819 | if (Prototype.Browser.IE) {
|
---|
3820 | var buttonMap = { 0: 1, 1: 4, 2: 2 };
|
---|
3821 | isButton = function(event, code) {
|
---|
3822 | return event.button == buttonMap[code];
|
---|
3823 | };
|
---|
3824 |
|
---|
3825 | } else if (Prototype.Browser.WebKit) {
|
---|
3826 | isButton = function(event, code) {
|
---|
3827 | switch (code) {
|
---|
3828 | case 0: return event.which == 1 && !event.metaKey;
|
---|
3829 | case 1: return event.which == 1 && event.metaKey;
|
---|
3830 | default: return false;
|
---|
3831 | }
|
---|
3832 | };
|
---|
3833 |
|
---|
3834 | } else {
|
---|
3835 | isButton = function(event, code) {
|
---|
3836 | return event.which ? (event.which === code + 1) : (event.button === code);
|
---|
3837 | };
|
---|
3838 | }
|
---|
3839 |
|
---|
3840 | return {
|
---|
3841 | isLeftClick: function(event) { return isButton(event, 0) },
|
---|
3842 | isMiddleClick: function(event) { return isButton(event, 1) },
|
---|
3843 | isRightClick: function(event) { return isButton(event, 2) },
|
---|
3844 |
|
---|
3845 | element: function(event) {
|
---|
3846 | event = Event.extend(event);
|
---|
3847 |
|
---|
3848 | var node = event.target,
|
---|
3849 | type = event.type,
|
---|
3850 | currentTarget = event.currentTarget;
|
---|
3851 |
|
---|
3852 | if (currentTarget && currentTarget.tagName) {
|
---|
3853 | // Firefox screws up the "click" event when moving between radio buttons
|
---|
3854 | // via arrow keys. It also screws up the "load" and "error" events on images,
|
---|
3855 | // reporting the document as the target instead of the original image.
|
---|
3856 | if (type === 'load' || type === 'error' ||
|
---|
3857 | (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
|
---|
3858 | && currentTarget.type === 'radio'))
|
---|
3859 | node = currentTarget;
|
---|
3860 | }
|
---|
3861 | if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
|
---|
3862 | return Element.extend(node);
|
---|
3863 | },
|
---|
3864 |
|
---|
3865 | findElement: function(event, expression) {
|
---|
3866 | var element = Event.element(event);
|
---|
3867 | if (!expression) return element;
|
---|
3868 | var elements = [element].concat(element.ancestors());
|
---|
3869 | return Selector.findElement(elements, expression, 0);
|
---|
3870 | },
|
---|
3871 |
|
---|
3872 | pointer: function(event) {
|
---|
3873 | var docElement = document.documentElement,
|
---|
3874 | body = document.body || { scrollLeft: 0, scrollTop: 0 };
|
---|
3875 | return {
|
---|
3876 | x: event.pageX || (event.clientX +
|
---|
3877 | (docElement.scrollLeft || body.scrollLeft) -
|
---|
3878 | (docElement.clientLeft || 0)),
|
---|
3879 | y: event.pageY || (event.clientY +
|
---|
3880 | (docElement.scrollTop || body.scrollTop) -
|
---|
3881 | (docElement.clientTop || 0))
|
---|
3882 | };
|
---|
3883 | },
|
---|
3884 |
|
---|
3885 | pointerX: function(event) { return Event.pointer(event).x },
|
---|
3886 | pointerY: function(event) { return Event.pointer(event).y },
|
---|
3887 |
|
---|
3888 | stop: function(event) {
|
---|
3889 | Event.extend(event);
|
---|
3890 | event.preventDefault();
|
---|
3891 | event.stopPropagation();
|
---|
3892 | event.stopped = true;
|
---|
3893 | }
|
---|
3894 | };
|
---|
3895 | })();
|
---|
3896 |
|
---|
3897 | Event.extend = (function() {
|
---|
3898 | var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
|
---|
3899 | m[name] = Event.Methods[name].methodize();
|
---|
3900 | return m;
|
---|
3901 | });
|
---|
3902 |
|
---|
3903 | if (Prototype.Browser.IE) {
|
---|
3904 | Object.extend(methods, {
|
---|
3905 | stopPropagation: function() { this.cancelBubble = true },
|
---|
3906 | preventDefault: function() { this.returnValue = false },
|
---|
3907 | inspect: function() { return "[object Event]" }
|
---|
3908 | });
|
---|
3909 |
|
---|
3910 | return function(event) {
|
---|
3911 | if (!event) return false;
|
---|
3912 | if (event._extendedByPrototype) return event;
|
---|
3913 |
|
---|
3914 | event._extendedByPrototype = Prototype.emptyFunction;
|
---|
3915 | var pointer = Event.pointer(event);
|
---|
3916 | Object.extend(event, {
|
---|
3917 | target: event.srcElement,
|
---|
3918 | relatedTarget: Event.relatedTarget(event),
|
---|
3919 | pageX: pointer.x,
|
---|
3920 | pageY: pointer.y
|
---|
3921 | });
|
---|
3922 | return Object.extend(event, methods);
|
---|
3923 | };
|
---|
3924 |
|
---|
3925 | } else {
|
---|
3926 | Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
|
---|
3927 | Object.extend(Event.prototype, methods);
|
---|
3928 | return Prototype.K;
|
---|
3929 | }
|
---|
3930 | })();
|
---|
3931 |
|
---|
3932 | Object.extend(Event, (function() {
|
---|
3933 | var cache = Event.cache;
|
---|
3934 |
|
---|
3935 | function getEventID(element) {
|
---|
3936 | if (element._prototypeEventID) return element._prototypeEventID[0];
|
---|
3937 | arguments.callee.id = arguments.callee.id || 1;
|
---|
3938 | return element._prototypeEventID = [++arguments.callee.id];
|
---|
3939 | }
|
---|
3940 |
|
---|
3941 | function getDOMEventName(eventName) {
|
---|
3942 | if (eventName && eventName.include(':')) return "dataavailable";
|
---|
3943 | return eventName;
|
---|
3944 | }
|
---|
3945 |
|
---|
3946 | function getCacheForID(id) {
|
---|
3947 | return cache[id] = cache[id] || { };
|
---|
3948 | }
|
---|
3949 |
|
---|
3950 | function getWrappersForEventName(id, eventName) {
|
---|
3951 | var c = getCacheForID(id);
|
---|
3952 | return c[eventName] = c[eventName] || [];
|
---|
3953 | }
|
---|
3954 |
|
---|
3955 | function createWrapper(element, eventName, handler) {
|
---|
3956 | var id = getEventID(element);
|
---|
3957 | var c = getWrappersForEventName(id, eventName);
|
---|
3958 | if (c.pluck("handler").include(handler)) return false;
|
---|
3959 |
|
---|
3960 | var wrapper = function(event) {
|
---|
3961 | if (!Event || !Event.extend ||
|
---|
3962 | (event.eventName && event.eventName != eventName))
|
---|
3963 | return false;
|
---|
3964 |
|
---|
3965 | Event.extend(event);
|
---|
3966 | handler.call(element, event);
|
---|
3967 | };
|
---|
3968 |
|
---|
3969 | wrapper.handler = handler;
|
---|
3970 | c.push(wrapper);
|
---|
3971 | return wrapper;
|
---|
3972 | }
|
---|
3973 |
|
---|
3974 | function findWrapper(id, eventName, handler) {
|
---|
3975 | var c = getWrappersForEventName(id, eventName);
|
---|
3976 | return c.find(function(wrapper) { return wrapper.handler == handler });
|
---|
3977 | }
|
---|
3978 |
|
---|
3979 | function destroyWrapper(id, eventName, handler) {
|
---|
3980 | var c = getCacheForID(id);
|
---|
3981 | if (!c[eventName]) return false;
|
---|
3982 | c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
|
---|
3983 | }
|
---|
3984 |
|
---|
3985 | function destroyCache() {
|
---|
3986 | for (var id in cache)
|
---|
3987 | for (var eventName in cache[id])
|
---|
3988 | cache[id][eventName] = null;
|
---|
3989 | }
|
---|
3990 |
|
---|
3991 |
|
---|
3992 | // Internet Explorer needs to remove event handlers on page unload
|
---|
3993 | // in order to avoid memory leaks.
|
---|
3994 | if (window.attachEvent) {
|
---|
3995 | window.attachEvent("onunload", destroyCache);
|
---|
3996 | }
|
---|
3997 |
|
---|
3998 | // Safari has a dummy event handler on page unload so that it won't
|
---|
3999 | // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
|
---|
4000 | // object when page is returned to via the back button using its bfcache.
|
---|
4001 | if (Prototype.Browser.WebKit) {
|
---|
4002 | window.addEventListener('unload', Prototype.emptyFunction, false);
|
---|
4003 | }
|
---|
4004 |
|
---|
4005 | return {
|
---|
4006 | observe: function(element, eventName, handler) {
|
---|
4007 | element = $(element);
|
---|
4008 | var name = getDOMEventName(eventName);
|
---|
4009 |
|
---|
4010 | var wrapper = createWrapper(element, eventName, handler);
|
---|
4011 | if (!wrapper) return element;
|
---|
4012 |
|
---|
4013 | if (element.addEventListener) {
|
---|
4014 | element.addEventListener(name, wrapper, false);
|
---|
4015 | } else {
|
---|
4016 | element.attachEvent("on" + name, wrapper);
|
---|
4017 | }
|
---|
4018 |
|
---|
4019 | return element;
|
---|
4020 | },
|
---|
4021 |
|
---|
4022 | stopObserving: function(element, eventName, handler) {
|
---|
4023 | element = $(element);
|
---|
4024 | var id = getEventID(element), name = getDOMEventName(eventName);
|
---|
4025 |
|
---|
4026 | if (!handler && eventName) {
|
---|
4027 | getWrappersForEventName(id, eventName).each(function(wrapper) {
|
---|
4028 | element.stopObserving(eventName, wrapper.handler);
|
---|
4029 | });
|
---|
4030 | return element;
|
---|
4031 |
|
---|
4032 | } else if (!eventName) {
|
---|
4033 | Object.keys(getCacheForID(id)).each(function(eventName) {
|
---|
4034 | element.stopObserving(eventName);
|
---|
4035 | });
|
---|
4036 | return element;
|
---|
4037 | }
|
---|
4038 |
|
---|
4039 | var wrapper = findWrapper(id, eventName, handler);
|
---|
4040 | if (!wrapper) return element;
|
---|
4041 |
|
---|
4042 | if (element.removeEventListener) {
|
---|
4043 | element.removeEventListener(name, wrapper, false);
|
---|
4044 | } else {
|
---|
4045 | element.detachEvent("on" + name, wrapper);
|
---|
4046 | }
|
---|
4047 |
|
---|
4048 | destroyWrapper(id, eventName, handler);
|
---|
4049 |
|
---|
4050 | return element;
|
---|
4051 | },
|
---|
4052 |
|
---|
4053 | fire: function(element, eventName, memo) {
|
---|
4054 | element = $(element);
|
---|
4055 | if (element == document && document.createEvent && !element.dispatchEvent)
|
---|
4056 | element = document.documentElement;
|
---|
4057 |
|
---|
4058 | var event;
|
---|
4059 | if (document.createEvent) {
|
---|
4060 | event = document.createEvent("HTMLEvents");
|
---|
4061 | event.initEvent("dataavailable", true, true);
|
---|
4062 | } else {
|
---|
4063 | event = document.createEventObject();
|
---|
4064 | event.eventType = "ondataavailable";
|
---|
4065 | }
|
---|
4066 |
|
---|
4067 | event.eventName = eventName;
|
---|
4068 | event.memo = memo || { };
|
---|
4069 |
|
---|
4070 | if (document.createEvent) {
|
---|
4071 | element.dispatchEvent(event);
|
---|
4072 | } else {
|
---|
4073 | element.fireEvent(event.eventType, event);
|
---|
4074 | }
|
---|
4075 |
|
---|
4076 | return Event.extend(event);
|
---|
4077 | }
|
---|
4078 | };
|
---|
4079 | })());
|
---|
4080 |
|
---|
4081 | Object.extend(Event, Event.Methods);
|
---|
4082 |
|
---|
4083 | Element.addMethods({
|
---|
4084 | fire: Event.fire,
|
---|
4085 | observe: Event.observe,
|
---|
4086 | stopObserving: Event.stopObserving
|
---|
4087 | });
|
---|
4088 |
|
---|
4089 | Object.extend(document, {
|
---|
4090 | fire: Element.Methods.fire.methodize(),
|
---|
4091 | observe: Element.Methods.observe.methodize(),
|
---|
4092 | stopObserving: Element.Methods.stopObserving.methodize(),
|
---|
4093 | loaded: false
|
---|
4094 | });
|
---|
4095 |
|
---|
4096 | (function() {
|
---|
4097 | /* Support for the DOMContentLoaded event is based on work by Dan Webb,
|
---|
4098 | Matthias Miller, Dean Edwards and John Resig. */
|
---|
4099 |
|
---|
4100 | var timer;
|
---|
4101 |
|
---|
4102 | function fireContentLoadedEvent() {
|
---|
4103 | if (document.loaded) return;
|
---|
4104 | if (timer) window.clearInterval(timer);
|
---|
4105 | document.fire("dom:loaded");
|
---|
4106 | document.loaded = true;
|
---|
4107 | }
|
---|
4108 |
|
---|
4109 | if (document.addEventListener) {
|
---|
4110 | if (Prototype.Browser.WebKit) {
|
---|
4111 | timer = window.setInterval(function() {
|
---|
4112 | if (/loaded|complete/.test(document.readyState))
|
---|
4113 | fireContentLoadedEvent();
|
---|
4114 | }, 0);
|
---|
4115 |
|
---|
4116 | Event.observe(window, "load", fireContentLoadedEvent);
|
---|
4117 |
|
---|
4118 | } else {
|
---|
4119 | document.addEventListener("DOMContentLoaded",
|
---|
4120 | fireContentLoadedEvent, false);
|
---|
4121 | }
|
---|
4122 |
|
---|
4123 | } else {
|
---|
4124 | document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
|
---|
4125 | $("__onDOMContentLoaded").onreadystatechange = function() {
|
---|
4126 | if (this.readyState == "complete") {
|
---|
4127 | this.onreadystatechange = null;
|
---|
4128 | fireContentLoadedEvent();
|
---|
4129 | }
|
---|
4130 | };
|
---|
4131 | }
|
---|
4132 | })();
|
---|
4133 | /*------------------------------- DEPRECATED -------------------------------*/
|
---|
4134 |
|
---|
4135 | Hash.toQueryString = Object.toQueryString;
|
---|
4136 |
|
---|
4137 | var Toggle = { display: Element.toggle };
|
---|
4138 |
|
---|
4139 | Element.Methods.childOf = Element.Methods.descendantOf;
|
---|
4140 |
|
---|
4141 | var Insertion = {
|
---|
4142 | Before: function(element, content) {
|
---|
4143 | return Element.insert(element, {before:content});
|
---|
4144 | },
|
---|
4145 |
|
---|
4146 | Top: function(element, content) {
|
---|
4147 | return Element.insert(element, {top:content});
|
---|
4148 | },
|
---|
4149 |
|
---|
4150 | Bottom: function(element, content) {
|
---|
4151 | return Element.insert(element, {bottom:content});
|
---|
4152 | },
|
---|
4153 |
|
---|
4154 | After: function(element, content) {
|
---|
4155 | return Element.insert(element, {after:content});
|
---|
4156 | }
|
---|
4157 | };
|
---|
4158 |
|
---|
4159 | var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
|
---|
4160 |
|
---|
4161 | // This should be moved to script.aculo.us; notice the deprecated methods
|
---|
4162 | // further below, that map to the newer Element methods.
|
---|
4163 | var Position = {
|
---|
4164 | // set to true if needed, warning: firefox performance problems
|
---|
4165 | // NOT neeeded for page scrolling, only if draggable contained in
|
---|
4166 | // scrollable elements
|
---|
4167 | includeScrollOffsets: false,
|
---|
4168 |
|
---|
4169 | // must be called before calling withinIncludingScrolloffset, every time the
|
---|
4170 | // page is scrolled
|
---|
4171 | prepare: function() {
|
---|
4172 | this.deltaX = window.pageXOffset
|
---|
4173 | || document.documentElement.scrollLeft
|
---|
4174 | || document.body.scrollLeft
|
---|
4175 | || 0;
|
---|
4176 | this.deltaY = window.pageYOffset
|
---|
4177 | || document.documentElement.scrollTop
|
---|
4178 | || document.body.scrollTop
|
---|
4179 | || 0;
|
---|
4180 | },
|
---|
4181 |
|
---|
4182 | // caches x/y coordinate pair to use with overlap
|
---|
4183 | within: function(element, x, y) {
|
---|
4184 | if (this.includeScrollOffsets)
|
---|
4185 | return this.withinIncludingScrolloffsets(element, x, y);
|
---|
4186 | this.xcomp = x;
|
---|
4187 | this.ycomp = y;
|
---|
4188 | this.offset = Element.cumulativeOffset(element);
|
---|
4189 |
|
---|
4190 | return (y >= this.offset[1] &&
|
---|
4191 | y < this.offset[1] + element.offsetHeight &&
|
---|
4192 | x >= this.offset[0] &&
|
---|
4193 | x < this.offset[0] + element.offsetWidth);
|
---|
4194 | },
|
---|
4195 |
|
---|
4196 | withinIncludingScrolloffsets: function(element, x, y) {
|
---|
4197 | var offsetcache = Element.cumulativeScrollOffset(element);
|
---|
4198 |
|
---|
4199 | this.xcomp = x + offsetcache[0] - this.deltaX;
|
---|
4200 | this.ycomp = y + offsetcache[1] - this.deltaY;
|
---|
4201 | this.offset = Element.cumulativeOffset(element);
|
---|
4202 |
|
---|
4203 | return (this.ycomp >= this.offset[1] &&
|
---|
4204 | this.ycomp < this.offset[1] + element.offsetHeight &&
|
---|
4205 | this.xcomp >= this.offset[0] &&
|
---|
4206 | this.xcomp < this.offset[0] + element.offsetWidth);
|
---|
4207 | },
|
---|
4208 |
|
---|
4209 | // within must be called directly before
|
---|
4210 | overlap: function(mode, element) {
|
---|
4211 | if (!mode) return 0;
|
---|
4212 | if (mode == 'vertical')
|
---|
4213 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
|
---|
4214 | element.offsetHeight;
|
---|
4215 | if (mode == 'horizontal')
|
---|
4216 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
|
---|
4217 | element.offsetWidth;
|
---|
4218 | },
|
---|
4219 |
|
---|
4220 | // Deprecation layer -- use newer Element methods now (1.5.2).
|
---|
4221 |
|
---|
4222 | cumulativeOffset: Element.Methods.cumulativeOffset,
|
---|
4223 |
|
---|
4224 | positionedOffset: Element.Methods.positionedOffset,
|
---|
4225 |
|
---|
4226 | absolutize: function(element) {
|
---|
4227 | Position.prepare();
|
---|
4228 | return Element.absolutize(element);
|
---|
4229 | },
|
---|
4230 |
|
---|
4231 | relativize: function(element) {
|
---|
4232 | Position.prepare();
|
---|
4233 | return Element.relativize(element);
|
---|
4234 | },
|
---|
4235 |
|
---|
4236 | realOffset: Element.Methods.cumulativeScrollOffset,
|
---|
4237 |
|
---|
4238 | offsetParent: Element.Methods.getOffsetParent,
|
---|
4239 |
|
---|
4240 | page: Element.Methods.viewportOffset,
|
---|
4241 |
|
---|
4242 | clone: function(source, target, options) {
|
---|
4243 | options = options || { };
|
---|
4244 | return Element.clonePosition(target, source, options);
|
---|
4245 | }
|
---|
4246 | };
|
---|
4247 |
|
---|
4248 | /*--------------------------------------------------------------------------*/
|
---|
4249 |
|
---|
4250 | if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
|
---|
4251 | function iter(name) {
|
---|
4252 | return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
|
---|
4253 | }
|
---|
4254 |
|
---|
4255 | instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
|
---|
4256 | function(element, className) {
|
---|
4257 | className = className.toString().strip();
|
---|
4258 | var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
|
---|
4259 | return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
|
---|
4260 | } : function(element, className) {
|
---|
4261 | className = className.toString().strip();
|
---|
4262 | var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
|
---|
4263 | if (!classNames && !className) return elements;
|
---|
4264 |
|
---|
4265 | var nodes = $(element).getElementsByTagName('*');
|
---|
4266 | className = ' ' + className + ' ';
|
---|
4267 |
|
---|
4268 | for (var i = 0, child, cn; child = nodes[i]; i++) {
|
---|
4269 | if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
|
---|
4270 | (classNames && classNames.all(function(name) {
|
---|
4271 | return !name.toString().blank() && cn.include(' ' + name + ' ');
|
---|
4272 | }))))
|
---|
4273 | elements.push(Element.extend(child));
|
---|
4274 | }
|
---|
4275 | return elements;
|
---|
4276 | };
|
---|
4277 |
|
---|
4278 | return function(className, parentElement) {
|
---|
4279 | return $(parentElement || document.body).getElementsByClassName(className);
|
---|
4280 | };
|
---|
4281 | }(Element.Methods);
|
---|
4282 |
|
---|
4283 | /*--------------------------------------------------------------------------*/
|
---|
4284 |
|
---|
4285 | Element.ClassNames = Class.create();
|
---|
4286 | Element.ClassNames.prototype = {
|
---|
4287 | initialize: function(element) {
|
---|
4288 | this.element = $(element);
|
---|
4289 | },
|
---|
4290 |
|
---|
4291 | _each: function(iterator) {
|
---|
4292 | this.element.className.split(/\s+/).select(function(name) {
|
---|
4293 | return name.length > 0;
|
---|
4294 | })._each(iterator);
|
---|
4295 | },
|
---|
4296 |
|
---|
4297 | set: function(className) {
|
---|
4298 | this.element.className = className;
|
---|
4299 | },
|
---|
4300 |
|
---|
4301 | add: function(classNameToAdd) {
|
---|
4302 | if (this.include(classNameToAdd)) return;
|
---|
4303 | this.set($A(this).concat(classNameToAdd).join(' '));
|
---|
4304 | },
|
---|
4305 |
|
---|
4306 | remove: function(classNameToRemove) {
|
---|
4307 | if (!this.include(classNameToRemove)) return;
|
---|
4308 | this.set($A(this).without(classNameToRemove).join(' '));
|
---|
4309 | },
|
---|
4310 |
|
---|
4311 | toString: function() {
|
---|
4312 | return $A(this).join(' ');
|
---|
4313 | }
|
---|
4314 | };
|
---|
4315 |
|
---|
4316 | Object.extend(Element.ClassNames.prototype, Enumerable);
|
---|
4317 |
|
---|
4318 | /*--------------------------------------------------------------------------*/
|
---|
4319 |
|
---|
4320 | Element.addMethods();
|
---|