1 /* Prototype JavaScript framework, version 1.6.0.2
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2 * (c) 2005-2008 Sam Stephenson
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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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7 *--------------------------------------------------------------------------*/
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13 IE: !!(window.attachEvent && !window.opera),
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14 Opera: !!window.opera,
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15 WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
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16 Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
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17 MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
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21 XPath: !!document.evaluate,
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22 ElementExtensions: !!window.HTMLElement,
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23 SpecificElementExtensions:
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24 document.createElement('div').__proto__ &&
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25 document.createElement('div').__proto__ !==
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26 document.createElement('form').__proto__
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29 ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
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30 JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
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32 emptyFunction: function() { },
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33 K: function(x) { return x }
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36 if (Prototype.Browser.MobileSafari)
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37 Prototype.BrowserFeatures.SpecificElementExtensions = false;
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40 /* Based on Alex Arnell's inheritance implementation. */
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42 create: function() {
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43 var parent = null, properties = $A(arguments);
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44 if (Object.isFunction(properties[0]))
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45 parent = properties.shift();
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48 this.initialize.apply(this, arguments);
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51 Object.extend(klass, Class.Methods);
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52 klass.superclass = parent;
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53 klass.subclasses = [];
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56 var subclass = function() { };
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57 subclass.prototype = parent.prototype;
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58 klass.prototype = new subclass;
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59 parent.subclasses.push(klass);
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62 for (var i = 0; i < properties.length; i++)
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63 klass.addMethods(properties[i]);
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65 if (!klass.prototype.initialize)
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66 klass.prototype.initialize = Prototype.emptyFunction;
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68 klass.prototype.constructor = klass;
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75 addMethods: function(source) {
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76 var ancestor = this.superclass && this.superclass.prototype;
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77 var properties = Object.keys(source);
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79 if (!Object.keys({ toString: true }).length)
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80 properties.push("toString", "valueOf");
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82 for (var i = 0, length = properties.length; i < length; i++) {
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83 var property = properties[i], value = source[property];
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84 if (ancestor && Object.isFunction(value) &&
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85 value.argumentNames().first() == "$super") {
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86 var method = value, value = Object.extend((function(m) {
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87 return function() { return ancestor[m].apply(this, arguments) };
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88 })(property).wrap(method), {
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89 valueOf: function() { return method },
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90 toString: function() { return method.toString() }
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93 this.prototype[property] = value;
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100 var Abstract = { };
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102 Object.extend = function(destination, source) {
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103 for (var property in source)
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104 destination[property] = source[property];
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105 return destination;
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108 Object.extend(Object, {
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109 inspect: function(object) {
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111 if (Object.isUndefined(object)) return 'undefined';
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112 if (object === null) return 'null';
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113 return object.inspect ? object.inspect() : String(object);
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115 if (e instanceof RangeError) return '...';
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120 toJSON: function(object) {
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121 var type = typeof object;
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125 case 'unknown': return;
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126 case 'boolean': return object.toString();
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129 if (object === null) return 'null';
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130 if (object.toJSON) return object.toJSON();
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131 if (Object.isElement(object)) return;
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134 for (var property in object) {
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135 var value = Object.toJSON(object[property]);
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136 if (!Object.isUndefined(value))
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137 results.push(property.toJSON() + ': ' + value);
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140 return '{' + results.join(', ') + '}';
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143 toQueryString: function(object) {
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144 return $H(object).toQueryString();
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147 toHTML: function(object) {
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148 return object && object.toHTML ? object.toHTML() : String.interpret(object);
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151 keys: function(object) {
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153 for (var property in object)
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154 keys.push(property);
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158 values: function(object) {
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160 for (var property in object)
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161 values.push(object[property]);
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165 clone: function(object) {
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166 return Object.extend({ }, object);
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169 isElement: function(object) {
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170 return object && object.nodeType == 1;
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173 isArray: function(object) {
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174 return object != null && typeof object == "object" &&
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175 'splice' in object && 'join' in object;
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178 isHash: function(object) {
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179 return object instanceof Hash;
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182 isFunction: function(object) {
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183 return typeof object == "function";
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186 isString: function(object) {
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187 return typeof object == "string";
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190 isNumber: function(object) {
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191 return typeof object == "number";
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194 isUndefined: function(object) {
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195 return typeof object == "undefined";
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199 Object.extend(Function.prototype, {
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200 argumentNames: function() {
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201 var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
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202 return names.length == 1 && !names[0] ? [] : names;
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206 if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
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207 var __method = this, args = $A(arguments), object = args.shift();
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208 return function() {
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209 return __method.apply(object, args.concat($A(arguments)));
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213 bindAsEventListener: function() {
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214 var __method = this, args = $A(arguments), object = args.shift();
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215 return function(event) {
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216 return __method.apply(object, [event || window.event].concat(args));
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220 curry: function() {
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221 if (!arguments.length) return this;
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222 var __method = this, args = $A(arguments);
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223 return function() {
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224 return __method.apply(this, args.concat($A(arguments)));
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228 delay: function() {
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229 var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
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230 return window.setTimeout(function() {
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231 return __method.apply(__method, args);
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235 wrap: function(wrapper) {
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236 var __method = this;
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237 return function() {
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238 return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
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242 methodize: function() {
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243 if (this._methodized) return this._methodized;
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244 var __method = this;
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245 return this._methodized = function() {
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246 return __method.apply(null, [this].concat($A(arguments)));
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251 Function.prototype.defer = Function.prototype.delay.curry(0.01);
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253 Date.prototype.toJSON = function() {
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254 return '"' + this.getUTCFullYear() + '-' +
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255 (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
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256 this.getUTCDate().toPaddedString(2) + 'T' +
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257 this.getUTCHours().toPaddedString(2) + ':' +
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258 this.getUTCMinutes().toPaddedString(2) + ':' +
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259 this.getUTCSeconds().toPaddedString(2) + 'Z"';
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263 these: function() {
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266 for (var i = 0, length = arguments.length; i < length; i++) {
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267 var lambda = arguments[i];
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269 returnValue = lambda();
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274 return returnValue;
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278 RegExp.prototype.match = RegExp.prototype.test;
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280 RegExp.escape = function(str) {
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281 return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
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284 /*--------------------------------------------------------------------------*/
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286 var PeriodicalExecuter = Class.create({
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287 initialize: function(callback, frequency) {
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288 this.callback = callback;
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289 this.frequency = frequency;
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290 this.currentlyExecuting = false;
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292 this.registerCallback();
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295 registerCallback: function() {
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296 this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
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299 execute: function() {
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300 this.callback(this);
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304 if (!this.timer) return;
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305 clearInterval(this.timer);
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309 onTimerEvent: function() {
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310 if (!this.currentlyExecuting) {
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312 this.currentlyExecuting = true;
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315 this.currentlyExecuting = false;
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320 Object.extend(String, {
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321 interpret: function(value) {
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322 return value == null ? '' : String(value);
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334 Object.extend(String.prototype, {
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335 gsub: function(pattern, replacement) {
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336 var result = '', source = this, match;
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337 replacement = arguments.callee.prepareReplacement(replacement);
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339 while (source.length > 0) {
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340 if (match = source.match(pattern)) {
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341 result += source.slice(0, match.index);
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342 result += String.interpret(replacement(match));
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343 source = source.slice(match.index + match[0].length);
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345 result += source, source = '';
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351 sub: function(pattern, replacement, count) {
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352 replacement = this.gsub.prepareReplacement(replacement);
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353 count = Object.isUndefined(count) ? 1 : count;
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355 return this.gsub(pattern, function(match) {
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356 if (--count < 0) return match[0];
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357 return replacement(match);
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361 scan: function(pattern, iterator) {
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362 this.gsub(pattern, iterator);
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363 return String(this);
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366 truncate: function(length, truncation) {
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367 length = length || 30;
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368 truncation = Object.isUndefined(truncation) ? '...' : truncation;
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369 return this.length > length ?
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370 this.slice(0, length - truncation.length) + truncation : String(this);
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373 strip: function() {
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374 return this.replace(/^\s+/, '').replace(/\s+$/, '');
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377 stripTags: function() {
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378 return this.replace(/<\/?[^>]+>/gi, '');
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381 stripScripts: function() {
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382 return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
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385 extractScripts: function() {
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386 var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
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387 var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
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388 return (this.match(matchAll) || []).map(function(scriptTag) {
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389 return (scriptTag.match(matchOne) || ['', ''])[1];
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393 evalScripts: function() {
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394 return this.extractScripts().map(function(script) { return eval(script) });
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397 escapeHTML: function() {
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398 var self = arguments.callee;
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399 self.text.data = this;
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400 return self.div.innerHTML;
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403 unescapeHTML: function() {
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404 var div = new Element('div');
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405 div.innerHTML = this.stripTags();
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406 return div.childNodes[0] ? (div.childNodes.length > 1 ?
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407 $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
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408 div.childNodes[0].nodeValue) : '';
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411 toQueryParams: function(separator) {
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412 var match = this.strip().match(/([^?#]*)(#.*)?$/);
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413 if (!match) return { };
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415 return match[1].split(separator || '&').inject({ }, function(hash, pair) {
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416 if ((pair = pair.split('='))[0]) {
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417 var key = decodeURIComponent(pair.shift());
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418 var value = pair.length > 1 ? pair.join('=') : pair[0];
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419 if (value != undefined) value = decodeURIComponent(value);
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422 if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
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423 hash[key].push(value);
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425 else hash[key] = value;
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431 toArray: function() {
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432 return this.split('');
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436 return this.slice(0, this.length - 1) +
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437 String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
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440 times: function(count) {
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441 return count < 1 ? '' : new Array(count + 1).join(this);
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444 camelize: function() {
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445 var parts = this.split('-'), len = parts.length;
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446 if (len == 1) return parts[0];
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448 var camelized = this.charAt(0) == '-'
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449 ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
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452 for (var i = 1; i < len; i++)
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453 camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
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458 capitalize: function() {
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459 return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
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462 underscore: function() {
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463 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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466 dasherize: function() {
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467 return this.gsub(/_/,'-');
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470 inspect: function(useDoubleQuotes) {
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471 var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
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472 var character = String.specialChar[match[0]];
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473 return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
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475 if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
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476 return "'" + escapedString.replace(/'/g, '\\\'') + "'";
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479 toJSON: function() {
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480 return this.inspect(true);
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483 unfilterJSON: function(filter) {
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484 return this.sub(filter || Prototype.JSONFilter, '#{1}');
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487 isJSON: function() {
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489 if (str.blank()) return false;
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490 str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
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491 return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
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494 evalJSON: function(sanitize) {
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495 var json = this.unfilterJSON();
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497 if (!sanitize || json.isJSON()) return eval('(' + json + ')');
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499 throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
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502 include: function(pattern) {
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503 return this.indexOf(pattern) > -1;
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506 startsWith: function(pattern) {
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507 return this.indexOf(pattern) === 0;
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510 endsWith: function(pattern) {
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511 var d = this.length - pattern.length;
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512 return d >= 0 && this.lastIndexOf(pattern) === d;
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515 empty: function() {
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519 blank: function() {
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520 return /^\s*$/.test(this);
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523 interpolate: function(object, pattern) {
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524 return new Template(this, pattern).evaluate(object);
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528 if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
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529 escapeHTML: function() {
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530 return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
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532 unescapeHTML: function() {
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533 return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
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537 String.prototype.gsub.prepareReplacement = function(replacement) {
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538 if (Object.isFunction(replacement)) return replacement;
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539 var template = new Template(replacement);
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540 return function(match) { return template.evaluate(match) };
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543 String.prototype.parseQuery = String.prototype.toQueryParams;
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545 Object.extend(String.prototype.escapeHTML, {
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546 div: document.createElement('div'),
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547 text: document.createTextNode('')
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550 with (String.prototype.escapeHTML) div.appendChild(text);
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552 var Template = Class.create({
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553 initialize: function(template, pattern) {
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554 this.template = template.toString();
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555 this.pattern = pattern || Template.Pattern;
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558 evaluate: function(object) {
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559 if (Object.isFunction(object.toTemplateReplacements))
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560 object = object.toTemplateReplacements();
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562 return this.template.gsub(this.pattern, function(match) {
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563 if (object == null) return '';
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565 var before = match[1] || '';
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566 if (before == '\\') return match[2];
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568 var ctx = object, expr = match[3];
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569 var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
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570 match = pattern.exec(expr);
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571 if (match == null) return before;
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573 while (match != null) {
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574 var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
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576 if (null == ctx || '' == match[3]) break;
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577 expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
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578 match = pattern.exec(expr);
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581 return before + String.interpret(ctx);
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585 Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
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590 each: function(iterator, context) {
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592 iterator = iterator.bind(context);
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594 this._each(function(value) {
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595 iterator(value, index++);
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598 if (e != $break) throw e;
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603 eachSlice: function(number, iterator, context) {
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604 iterator = iterator ? iterator.bind(context) : Prototype.K;
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605 var index = -number, slices = [], array = this.toArray();
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606 while ((index += number) < array.length)
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607 slices.push(array.slice(index, index+number));
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608 return slices.collect(iterator, context);
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611 all: function(iterator, context) {
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612 iterator = iterator ? iterator.bind(context) : Prototype.K;
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614 this.each(function(value, index) {
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615 result = result && !!iterator(value, index);
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616 if (!result) throw $break;
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621 any: function(iterator, context) {
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622 iterator = iterator ? iterator.bind(context) : Prototype.K;
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623 var result = false;
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624 this.each(function(value, index) {
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625 if (result = !!iterator(value, index))
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631 collect: function(iterator, context) {
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632 iterator = iterator ? iterator.bind(context) : Prototype.K;
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634 this.each(function(value, index) {
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635 results.push(iterator(value, index));
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640 detect: function(iterator, context) {
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641 iterator = iterator.bind(context);
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643 this.each(function(value, index) {
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644 if (iterator(value, index)) {
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652 findAll: function(iterator, context) {
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653 iterator = iterator.bind(context);
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655 this.each(function(value, index) {
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656 if (iterator(value, index))
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657 results.push(value);
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662 grep: function(filter, iterator, context) {
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663 iterator = iterator ? iterator.bind(context) : Prototype.K;
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666 if (Object.isString(filter))
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667 filter = new RegExp(filter);
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669 this.each(function(value, index) {
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670 if (filter.match(value))
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671 results.push(iterator(value, index));
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676 include: function(object) {
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677 if (Object.isFunction(this.indexOf))
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678 if (this.indexOf(object) != -1) return true;
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681 this.each(function(value) {
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682 if (value == object) {
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690 inGroupsOf: function(number, fillWith) {
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691 fillWith = Object.isUndefined(fillWith) ? null : fillWith;
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692 return this.eachSlice(number, function(slice) {
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693 while(slice.length < number) slice.push(fillWith);
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698 inject: function(memo, iterator, context) {
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699 iterator = iterator.bind(context);
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700 this.each(function(value, index) {
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701 memo = iterator(memo, value, index);
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706 invoke: function(method) {
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707 var args = $A(arguments).slice(1);
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708 return this.map(function(value) {
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709 return value[method].apply(value, args);
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713 max: function(iterator, context) {
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714 iterator = iterator ? iterator.bind(context) : Prototype.K;
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716 this.each(function(value, index) {
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717 value = iterator(value, index);
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718 if (result == null || value >= result)
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724 min: function(iterator, context) {
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725 iterator = iterator ? iterator.bind(context) : Prototype.K;
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727 this.each(function(value, index) {
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728 value = iterator(value, index);
\r
729 if (result == null || value < result)
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735 partition: function(iterator, context) {
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736 iterator = iterator ? iterator.bind(context) : Prototype.K;
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737 var trues = [], falses = [];
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738 this.each(function(value, index) {
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739 (iterator(value, index) ?
\r
740 trues : falses).push(value);
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742 return [trues, falses];
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745 pluck: function(property) {
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747 this.each(function(value) {
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748 results.push(value[property]);
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753 reject: function(iterator, context) {
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754 iterator = iterator.bind(context);
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756 this.each(function(value, index) {
\r
757 if (!iterator(value, index))
\r
758 results.push(value);
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763 sortBy: function(iterator, context) {
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764 iterator = iterator.bind(context);
\r
765 return this.map(function(value, index) {
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766 return {value: value, criteria: iterator(value, index)};
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767 }).sort(function(left, right) {
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768 var a = left.criteria, b = right.criteria;
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769 return a < b ? -1 : a > b ? 1 : 0;
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773 toArray: function() {
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778 var iterator = Prototype.K, args = $A(arguments);
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779 if (Object.isFunction(args.last()))
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780 iterator = args.pop();
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782 var collections = [this].concat(args).map($A);
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783 return this.map(function(value, index) {
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784 return iterator(collections.pluck(index));
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789 return this.toArray().length;
\r
792 inspect: function() {
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793 return '#<Enumerable:' + this.toArray().inspect() + '>';
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797 Object.extend(Enumerable, {
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798 map: Enumerable.collect,
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799 find: Enumerable.detect,
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800 select: Enumerable.findAll,
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801 filter: Enumerable.findAll,
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802 member: Enumerable.include,
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803 entries: Enumerable.toArray,
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804 every: Enumerable.all,
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805 some: Enumerable.any
\r
807 function $A(iterable) {
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808 if (!iterable) return [];
\r
809 if (iterable.toArray) return iterable.toArray();
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810 var length = iterable.length || 0, results = new Array(length);
\r
811 while (length--) results[length] = iterable[length];
\r
815 if (Prototype.Browser.WebKit) {
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816 $A = function(iterable) {
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817 if (!iterable) return [];
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818 if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
\r
819 iterable.toArray) return iterable.toArray();
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820 var length = iterable.length || 0, results = new Array(length);
\r
821 while (length--) results[length] = iterable[length];
\r
828 Object.extend(Array.prototype, Enumerable);
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830 if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;
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832 Object.extend(Array.prototype, {
\r
833 _each: function(iterator) {
\r
834 for (var i = 0, length = this.length; i < length; i++)
\r
838 clear: function() {
\r
843 first: function() {
\r
848 return this[this.length - 1];
\r
851 compact: function() {
\r
852 return this.select(function(value) {
\r
853 return value != null;
\r
857 flatten: function() {
\r
858 return this.inject([], function(array, value) {
\r
859 return array.concat(Object.isArray(value) ?
\r
860 value.flatten() : [value]);
\r
864 without: function() {
\r
865 var values = $A(arguments);
\r
866 return this.select(function(value) {
\r
867 return !values.include(value);
\r
871 reverse: function(inline) {
\r
872 return (inline !== false ? this : this.toArray())._reverse();
\r
875 reduce: function() {
\r
876 return this.length > 1 ? this : this[0];
\r
879 uniq: function(sorted) {
\r
880 return this.inject([], function(array, value, index) {
\r
881 if (0 == index || (sorted ? array.last() != value : !array.include(value)))
\r
887 intersect: function(array) {
\r
888 return this.uniq().findAll(function(item) {
\r
889 return array.detect(function(value) { return item === value });
\r
893 clone: function() {
\r
894 return [].concat(this);
\r
898 return this.length;
\r
901 inspect: function() {
\r
902 return '[' + this.map(Object.inspect).join(', ') + ']';
\r
905 toJSON: function() {
\r
907 this.each(function(object) {
\r
908 var value = Object.toJSON(object);
\r
909 if (!Object.isUndefined(value)) results.push(value);
\r
911 return '[' + results.join(', ') + ']';
\r
915 // use native browser JS 1.6 implementation if available
\r
916 if (Object.isFunction(Array.prototype.forEach))
\r
917 Array.prototype._each = Array.prototype.forEach;
\r
919 if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
\r
921 var length = this.length;
\r
922 if (i < 0) i = length + i;
\r
923 for (; i < length; i++)
\r
924 if (this[i] === item) return i;
\r
928 if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
\r
929 i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
\r
930 var n = this.slice(0, i).reverse().indexOf(item);
\r
931 return (n < 0) ? n : i - n - 1;
\r
934 Array.prototype.toArray = Array.prototype.clone;
\r
936 function $w(string) {
\r
937 if (!Object.isString(string)) return [];
\r
938 string = string.strip();
\r
939 return string ? string.split(/\s+/) : [];
\r
942 if (Prototype.Browser.Opera){
\r
943 Array.prototype.concat = function() {
\r
945 for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
\r
946 for (var i = 0, length = arguments.length; i < length; i++) {
\r
947 if (Object.isArray(arguments[i])) {
\r
948 for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
\r
949 array.push(arguments[i][j]);
\r
951 array.push(arguments[i]);
\r
957 Object.extend(Number.prototype, {
\r
958 toColorPart: function() {
\r
959 return this.toPaddedString(2, 16);
\r
966 times: function(iterator) {
\r
967 $R(0, this, true).each(iterator);
\r
971 toPaddedString: function(length, radix) {
\r
972 var string = this.toString(radix || 10);
\r
973 return '0'.times(length - string.length) + string;
\r
976 toJSON: function() {
\r
977 return isFinite(this) ? this.toString() : 'null';
\r
981 $w('abs round ceil floor').each(function(method){
\r
982 Number.prototype[method] = Math[method].methodize();
\r
984 function $H(object) {
\r
985 return new Hash(object);
\r
988 var Hash = Class.create(Enumerable, (function() {
\r
990 function toQueryPair(key, value) {
\r
991 if (Object.isUndefined(value)) return key;
\r
992 return key + '=' + encodeURIComponent(String.interpret(value));
\r
996 initialize: function(object) {
\r
997 this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
\r
1000 _each: function(iterator) {
\r
1001 for (var key in this._object) {
\r
1002 var value = this._object[key], pair = [key, value];
\r
1004 pair.value = value;
\r
1009 set: function(key, value) {
\r
1010 return this._object[key] = value;
\r
1013 get: function(key) {
\r
1014 return this._object[key];
\r
1017 unset: function(key) {
\r
1018 var value = this._object[key];
\r
1019 delete this._object[key];
\r
1023 toObject: function() {
\r
1024 return Object.clone(this._object);
\r
1027 keys: function() {
\r
1028 return this.pluck('key');
\r
1031 values: function() {
\r
1032 return this.pluck('value');
\r
1035 index: function(value) {
\r
1036 var match = this.detect(function(pair) {
\r
1037 return pair.value === value;
\r
1039 return match && match.key;
\r
1042 merge: function(object) {
\r
1043 return this.clone().update(object);
\r
1046 update: function(object) {
\r
1047 return new Hash(object).inject(this, function(result, pair) {
\r
1048 result.set(pair.key, pair.value);
\r
1053 toQueryString: function() {
\r
1054 return this.map(function(pair) {
\r
1055 var key = encodeURIComponent(pair.key), values = pair.value;
\r
1057 if (values && typeof values == 'object') {
\r
1058 if (Object.isArray(values))
\r
1059 return values.map(toQueryPair.curry(key)).join('&');
\r
1061 return toQueryPair(key, values);
\r
1065 inspect: function() {
\r
1066 return '#<Hash:{' + this.map(function(pair) {
\r
1067 return pair.map(Object.inspect).join(': ');
\r
1068 }).join(', ') + '}>';
\r
1071 toJSON: function() {
\r
1072 return Object.toJSON(this.toObject());
\r
1075 clone: function() {
\r
1076 return new Hash(this);
\r
1081 Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
\r
1083 var ObjectRange = Class.create(Enumerable, {
\r
1084 initialize: function(start, end, exclusive) {
\r
1085 this.start = start;
\r
1087 this.exclusive = exclusive;
\r
1090 _each: function(iterator) {
\r
1091 var value = this.start;
\r
1092 while (this.include(value)) {
\r
1094 value = value.succ();
\r
1098 include: function(value) {
\r
1099 if (value < this.start)
\r
1101 if (this.exclusive)
\r
1102 return value < this.end;
\r
1103 return value <= this.end;
\r
1107 var $R = function(start, end, exclusive) {
\r
1108 return new ObjectRange(start, end, exclusive);
\r
1112 getTransport: function() {
\r
1114 function() {return new XMLHttpRequest()},
\r
1115 function() {return new ActiveXObject('Msxml2.XMLHTTP')},
\r
1116 function() {return new ActiveXObject('Microsoft.XMLHTTP')}
\r
1120 activeRequestCount: 0
\r
1123 Ajax.Responders = {
\r
1126 _each: function(iterator) {
\r
1127 this.responders._each(iterator);
\r
1130 register: function(responder) {
\r
1131 if (!this.include(responder))
\r
1132 this.responders.push(responder);
\r
1135 unregister: function(responder) {
\r
1136 this.responders = this.responders.without(responder);
\r
1139 dispatch: function(callback, request, transport, json) {
\r
1140 this.each(function(responder) {
\r
1141 if (Object.isFunction(responder[callback])) {
\r
1143 responder[callback].apply(responder, [request, transport, json]);
\r
1150 Object.extend(Ajax.Responders, Enumerable);
\r
1152 Ajax.Responders.register({
\r
1153 onCreate: function() { Ajax.activeRequestCount++ },
\r
1154 onComplete: function() { Ajax.activeRequestCount-- }
\r
1157 Ajax.Base = Class.create({
\r
1158 initialize: function(options) {
\r
1161 asynchronous: true,
\r
1162 contentType: 'application/x-www-form-urlencoded',
\r
1163 encoding: 'UTF-8',
\r
1168 Object.extend(this.options, options || { });
\r
1170 this.options.method = this.options.method.toLowerCase();
\r
1172 if (Object.isString(this.options.parameters))
\r
1173 this.options.parameters = this.options.parameters.toQueryParams();
\r
1174 else if (Object.isHash(this.options.parameters))
\r
1175 this.options.parameters = this.options.parameters.toObject();
\r
1179 Ajax.Request = Class.create(Ajax.Base, {
\r
1182 initialize: function($super, url, options) {
\r
1184 this.transport = Ajax.getTransport();
\r
1185 this.request(url);
\r
1188 request: function(url) {
\r
1190 this.method = this.options.method;
\r
1191 var params = Object.clone(this.options.parameters);
\r
1193 if (!['get', 'post'].include(this.method)) {
\r
1194 // simulate other verbs over post
\r
1195 params['_method'] = this.method;
\r
1196 this.method = 'post';
\r
1199 this.parameters = params;
\r
1201 if (params = Object.toQueryString(params)) {
\r
1202 // when GET, append parameters to URL
\r
1203 if (this.method == 'get')
\r
1204 this.url += (this.url.include('?') ? '&' : '?') + params;
\r
1205 else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
\r
1210 var response = new Ajax.Response(this);
\r
1211 if (this.options.onCreate) this.options.onCreate(response);
\r
1212 Ajax.Responders.dispatch('onCreate', this, response);
\r
1214 this.transport.open(this.method.toUpperCase(), this.url,
\r
1215 this.options.asynchronous);
\r
1217 if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
\r
1219 this.transport.onreadystatechange = this.onStateChange.bind(this);
\r
1220 this.setRequestHeaders();
\r
1222 this.body = this.method == 'post' ? (this.options.postBody || params) : null;
\r
1223 this.transport.send(this.body);
\r
1225 /* Force Firefox to handle ready state 4 for synchronous requests */
\r
1226 if (!this.options.asynchronous && this.transport.overrideMimeType)
\r
1227 this.onStateChange();
\r
1231 this.dispatchException(e);
\r
1235 onStateChange: function() {
\r
1236 var readyState = this.transport.readyState;
\r
1237 if (readyState > 1 && !((readyState == 4) && this._complete))
\r
1238 this.respondToReadyState(this.transport.readyState);
\r
1241 setRequestHeaders: function() {
\r
1243 'X-Requested-With': 'XMLHttpRequest',
\r
1244 'X-Prototype-Version': Prototype.Version,
\r
1245 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
\r
1248 if (this.method == 'post') {
\r
1249 headers['Content-type'] = this.options.contentType +
\r
1250 (this.options.encoding ? '; charset=' + this.options.encoding : '');
\r
1252 /* Force "Connection: close" for older Mozilla browsers to work
\r
1253 * around a bug where XMLHttpRequest sends an incorrect
\r
1254 * Content-length header. See Mozilla Bugzilla #246651.
\r
1256 if (this.transport.overrideMimeType &&
\r
1257 (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
\r
1258 headers['Connection'] = 'close';
\r
1261 // user-defined headers
\r
1262 if (typeof this.options.requestHeaders == 'object') {
\r
1263 var extras = this.options.requestHeaders;
\r
1265 if (Object.isFunction(extras.push))
\r
1266 for (var i = 0, length = extras.length; i < length; i += 2)
\r
1267 headers[extras[i]] = extras[i+1];
\r
1269 $H(extras).each(function(pair) { headers[pair.key] = pair.value });
\r
1272 for (var name in headers)
\r
1273 this.transport.setRequestHeader(name, headers[name]);
\r
1276 success: function() {
\r
1277 var status = this.getStatus();
\r
1278 return !status || (status >= 200 && status < 300);
\r
1281 getStatus: function() {
\r
1283 return this.transport.status || 0;
\r
1284 } catch (e) { return 0 }
\r
1287 respondToReadyState: function(readyState) {
\r
1288 var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
\r
1290 if (state == 'Complete') {
\r
1292 this._complete = true;
\r
1293 (this.options['on' + response.status]
\r
1294 || this.options['on' + (this.success() ? 'Success' : 'Failure')]
\r
1295 || Prototype.emptyFunction)(response, response.headerJSON);
\r
1297 this.dispatchException(e);
\r
1300 var contentType = response.getHeader('Content-type');
\r
1301 if (this.options.evalJS == 'force'
\r
1302 || (this.options.evalJS && this.isSameOrigin() && contentType
\r
1303 && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
\r
1304 this.evalResponse();
\r
1308 (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
\r
1309 Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
\r
1311 this.dispatchException(e);
\r
1314 if (state == 'Complete') {
\r
1315 // avoid memory leak in MSIE: clean up
\r
1316 this.transport.onreadystatechange = Prototype.emptyFunction;
\r
1320 isSameOrigin: function() {
\r
1321 var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
\r
1322 return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
\r
1323 protocol: location.protocol,
\r
1324 domain: document.domain,
\r
1325 port: location.port ? ':' + location.port : ''
\r
1329 getHeader: function(name) {
\r
1331 return this.transport.getResponseHeader(name) || null;
\r
1332 } catch (e) { return null }
\r
1335 evalResponse: function() {
\r
1337 return eval((this.transport.responseText || '').unfilterJSON());
\r
1339 this.dispatchException(e);
\r
1343 dispatchException: function(exception) {
\r
1344 (this.options.onException || Prototype.emptyFunction)(this, exception);
\r
1345 Ajax.Responders.dispatch('onException', this, exception);
\r
1349 Ajax.Request.Events =
\r
1350 ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
\r
1352 Ajax.Response = Class.create({
\r
1353 initialize: function(request){
\r
1354 this.request = request;
\r
1355 var transport = this.transport = request.transport,
\r
1356 readyState = this.readyState = transport.readyState;
\r
1358 if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
\r
1359 this.status = this.getStatus();
\r
1360 this.statusText = this.getStatusText();
\r
1361 this.responseText = String.interpret(transport.responseText);
\r
1362 this.headerJSON = this._getHeaderJSON();
\r
1365 if(readyState == 4) {
\r
1366 var xml = transport.responseXML;
\r
1367 this.responseXML = Object.isUndefined(xml) ? null : xml;
\r
1368 this.responseJSON = this._getResponseJSON();
\r
1375 getStatus: Ajax.Request.prototype.getStatus,
\r
1377 getStatusText: function() {
\r
1379 return this.transport.statusText || '';
\r
1380 } catch (e) { return '' }
\r
1383 getHeader: Ajax.Request.prototype.getHeader,
\r
1385 getAllHeaders: function() {
\r
1387 return this.getAllResponseHeaders();
\r
1388 } catch (e) { return null }
\r
1391 getResponseHeader: function(name) {
\r
1392 return this.transport.getResponseHeader(name);
\r
1395 getAllResponseHeaders: function() {
\r
1396 return this.transport.getAllResponseHeaders();
\r
1399 _getHeaderJSON: function() {
\r
1400 var json = this.getHeader('X-JSON');
\r
1401 if (!json) return null;
\r
1402 json = decodeURIComponent(escape(json));
\r
1404 return json.evalJSON(this.request.options.sanitizeJSON ||
\r
1405 !this.request.isSameOrigin());
\r
1407 this.request.dispatchException(e);
\r
1411 _getResponseJSON: function() {
\r
1412 var options = this.request.options;
\r
1413 if (!options.evalJSON || (options.evalJSON != 'force' &&
\r
1414 !(this.getHeader('Content-type') || '').include('application/json')) ||
\r
1415 this.responseText.blank())
\r
1418 return this.responseText.evalJSON(options.sanitizeJSON ||
\r
1419 !this.request.isSameOrigin());
\r
1421 this.request.dispatchException(e);
\r
1426 Ajax.Updater = Class.create(Ajax.Request, {
\r
1427 initialize: function($super, container, url, options) {
\r
1428 this.container = {
\r
1429 success: (container.success || container),
\r
1430 failure: (container.failure || (container.success ? null : container))
\r
1433 options = Object.clone(options);
\r
1434 var onComplete = options.onComplete;
\r
1435 options.onComplete = (function(response, json) {
\r
1436 this.updateContent(response.responseText);
\r
1437 if (Object.isFunction(onComplete)) onComplete(response, json);
\r
1440 $super(url, options);
\r
1443 updateContent: function(responseText) {
\r
1444 var receiver = this.container[this.success() ? 'success' : 'failure'],
\r
1445 options = this.options;
\r
1447 if (!options.evalScripts) responseText = responseText.stripScripts();
\r
1449 if (receiver = $(receiver)) {
\r
1450 if (options.insertion) {
\r
1451 if (Object.isString(options.insertion)) {
\r
1452 var insertion = { }; insertion[options.insertion] = responseText;
\r
1453 receiver.insert(insertion);
\r
1455 else options.insertion(receiver, responseText);
\r
1457 else receiver.update(responseText);
\r
1462 Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
\r
1463 initialize: function($super, container, url, options) {
\r
1465 this.onComplete = this.options.onComplete;
\r
1467 this.frequency = (this.options.frequency || 2);
\r
1468 this.decay = (this.options.decay || 1);
\r
1470 this.updater = { };
\r
1471 this.container = container;
\r
1477 start: function() {
\r
1478 this.options.onComplete = this.updateComplete.bind(this);
\r
1479 this.onTimerEvent();
\r
1482 stop: function() {
\r
1483 this.updater.options.onComplete = undefined;
\r
1484 clearTimeout(this.timer);
\r
1485 (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
\r
1488 updateComplete: function(response) {
\r
1489 if (this.options.decay) {
\r
1490 this.decay = (response.responseText == this.lastText ?
\r
1491 this.decay * this.options.decay : 1);
\r
1493 this.lastText = response.responseText;
\r
1495 this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
\r
1498 onTimerEvent: function() {
\r
1499 this.updater = new Ajax.Updater(this.container, this.url, this.options);
\r
1502 function $(element) {
\r
1503 if (arguments.length > 1) {
\r
1504 for (var i = 0, elements = [], length = arguments.length; i < length; i++)
\r
1505 elements.push($(arguments[i]));
\r
1508 if (Object.isString(element))
\r
1509 element = document.getElementById(element);
\r
1510 return Element.extend(element);
\r
1513 if (Prototype.BrowserFeatures.XPath) {
\r
1514 document._getElementsByXPath = function(expression, parentElement) {
\r
1516 var query = document.evaluate(expression, $(parentElement) || document,
\r
1517 null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
\r
1518 for (var i = 0, length = query.snapshotLength; i < length; i++)
\r
1519 results.push(Element.extend(query.snapshotItem(i)));
\r
1524 /*--------------------------------------------------------------------------*/
\r
1526 if (!window.Node) var Node = { };
\r
1528 if (!Node.ELEMENT_NODE) {
\r
1529 // DOM level 2 ECMAScript Language Binding
\r
1530 Object.extend(Node, {
\r
1532 ATTRIBUTE_NODE: 2,
\r
1534 CDATA_SECTION_NODE: 4,
\r
1535 ENTITY_REFERENCE_NODE: 5,
\r
1537 PROCESSING_INSTRUCTION_NODE: 7,
\r
1540 DOCUMENT_TYPE_NODE: 10,
\r
1541 DOCUMENT_FRAGMENT_NODE: 11,
\r
1547 var element = this.Element;
\r
1548 this.Element = function(tagName, attributes) {
\r
1549 attributes = attributes || { };
\r
1550 tagName = tagName.toLowerCase();
\r
1551 var cache = Element.cache;
\r
1552 if (Prototype.Browser.IE && attributes.name) {
\r
1553 tagName = '<' + tagName + ' name="' + attributes.name + '">';
\r
1554 delete attributes.name;
\r
1555 return Element.writeAttribute(document.createElement(tagName), attributes);
\r
1557 if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
\r
1558 return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
\r
1560 Object.extend(this.Element, element || { });
\r
1563 Element.cache = { };
\r
1565 Element.Methods = {
\r
1566 visible: function(element) {
\r
1567 return $(element).style.display != 'none';
\r
1570 toggle: function(element) {
\r
1571 element = $(element);
\r
1572 Element[Element.visible(element) ? 'hide' : 'show'](element);
\r
1576 hide: function(element) {
\r
1577 $(element).style.display = 'none';
\r
1581 show: function(element) {
\r
1582 $(element).style.display = '';
\r
1586 remove: function(element) {
\r
1587 element = $(element);
\r
1588 element.parentNode.removeChild(element);
\r
1592 update: function(element, content) {
\r
1593 element = $(element);
\r
1594 if (content && content.toElement) content = content.toElement();
\r
1595 if (Object.isElement(content)) return element.update().insert(content);
\r
1596 content = Object.toHTML(content);
\r
1597 element.innerHTML = content.stripScripts();
\r
1598 content.evalScripts.bind(content).defer();
\r
1602 replace: function(element, content) {
\r
1603 element = $(element);
\r
1604 if (content && content.toElement) content = content.toElement();
\r
1605 else if (!Object.isElement(content)) {
\r
1606 content = Object.toHTML(content);
\r
1607 var range = element.ownerDocument.createRange();
\r
1608 range.selectNode(element);
\r
1609 content.evalScripts.bind(content).defer();
\r
1610 content = range.createContextualFragment(content.stripScripts());
\r
1612 element.parentNode.replaceChild(content, element);
\r
1616 insert: function(element, insertions) {
\r
1617 element = $(element);
\r
1619 if (Object.isString(insertions) || Object.isNumber(insertions) ||
\r
1620 Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
\r
1621 insertions = {bottom:insertions};
\r
1623 var content, insert, tagName, childNodes;
\r
1625 for (var position in insertions) {
\r
1626 content = insertions[position];
\r
1627 position = position.toLowerCase();
\r
1628 insert = Element._insertionTranslations[position];
\r
1630 if (content && content.toElement) content = content.toElement();
\r
1631 if (Object.isElement(content)) {
\r
1632 insert(element, content);
\r
1636 content = Object.toHTML(content);
\r
1638 tagName = ((position == 'before' || position == 'after')
\r
1639 ? element.parentNode : element).tagName.toUpperCase();
\r
1641 childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
\r
1643 if (position == 'top' || position == 'after') childNodes.reverse();
\r
1644 childNodes.each(insert.curry(element));
\r
1646 content.evalScripts.bind(content).defer();
\r
1652 wrap: function(element, wrapper, attributes) {
\r
1653 element = $(element);
\r
1654 if (Object.isElement(wrapper))
\r
1655 $(wrapper).writeAttribute(attributes || { });
\r
1656 else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
\r
1657 else wrapper = new Element('div', wrapper);
\r
1658 if (element.parentNode)
\r
1659 element.parentNode.replaceChild(wrapper, element);
\r
1660 wrapper.appendChild(element);
\r
1664 inspect: function(element) {
\r
1665 element = $(element);
\r
1666 var result = '<' + element.tagName.toLowerCase();
\r
1667 $H({'id': 'id', 'className': 'class'}).each(function(pair) {
\r
1668 var property = pair.first(), attribute = pair.last();
\r
1669 var value = (element[property] || '').toString();
\r
1670 if (value) result += ' ' + attribute + '=' + value.inspect(true);
\r
1672 return result + '>';
\r
1675 recursivelyCollect: function(element, property) {
\r
1676 element = $(element);
\r
1677 var elements = [];
\r
1678 while (element = element[property])
\r
1679 if (element.nodeType == 1)
\r
1680 elements.push(Element.extend(element));
\r
1684 ancestors: function(element) {
\r
1685 return $(element).recursivelyCollect('parentNode');
\r
1688 descendants: function(element) {
\r
1689 return $(element).select("*");
\r
1692 firstDescendant: function(element) {
\r
1693 element = $(element).firstChild;
\r
1694 while (element && element.nodeType != 1) element = element.nextSibling;
\r
1695 return $(element);
\r
1698 immediateDescendants: function(element) {
\r
1699 if (!(element = $(element).firstChild)) return [];
\r
1700 while (element && element.nodeType != 1) element = element.nextSibling;
\r
1701 if (element) return [element].concat($(element).nextSiblings());
\r
1705 previousSiblings: function(element) {
\r
1706 return $(element).recursivelyCollect('previousSibling');
\r
1709 nextSiblings: function(element) {
\r
1710 return $(element).recursivelyCollect('nextSibling');
\r
1713 siblings: function(element) {
\r
1714 element = $(element);
\r
1715 return element.previousSiblings().reverse().concat(element.nextSiblings());
\r
1718 match: function(element, selector) {
\r
1719 if (Object.isString(selector))
\r
1720 selector = new Selector(selector);
\r
1721 return selector.match($(element));
\r
1724 up: function(element, expression, index) {
\r
1725 element = $(element);
\r
1726 if (arguments.length == 1) return $(element.parentNode);
\r
1727 var ancestors = element.ancestors();
\r
1728 return Object.isNumber(expression) ? ancestors[expression] :
\r
1729 Selector.findElement(ancestors, expression, index);
\r
1732 down: function(element, expression, index) {
\r
1733 element = $(element);
\r
1734 if (arguments.length == 1) return element.firstDescendant();
\r
1735 return Object.isNumber(expression) ? element.descendants()[expression] :
\r
1736 element.select(expression)[index || 0];
\r
1739 previous: function(element, expression, index) {
\r
1740 element = $(element);
\r
1741 if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
\r
1742 var previousSiblings = element.previousSiblings();
\r
1743 return Object.isNumber(expression) ? previousSiblings[expression] :
\r
1744 Selector.findElement(previousSiblings, expression, index);
\r
1747 next: function(element, expression, index) {
\r
1748 element = $(element);
\r
1749 if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
\r
1750 var nextSiblings = element.nextSiblings();
\r
1751 return Object.isNumber(expression) ? nextSiblings[expression] :
\r
1752 Selector.findElement(nextSiblings, expression, index);
\r
1755 select: function() {
\r
1756 var args = $A(arguments), element = $(args.shift());
\r
1757 return Selector.findChildElements(element, args);
\r
1760 adjacent: function() {
\r
1761 var args = $A(arguments), element = $(args.shift());
\r
1762 return Selector.findChildElements(element.parentNode, args).without(element);
\r
1765 identify: function(element) {
\r
1766 element = $(element);
\r
1767 var id = element.readAttribute('id'), self = arguments.callee;
\r
1768 if (id) return id;
\r
1769 do { id = 'anonymous_element_' + self.counter++ } while ($(id));
\r
1770 element.writeAttribute('id', id);
\r
1774 readAttribute: function(element, name) {
\r
1775 element = $(element);
\r
1776 if (Prototype.Browser.IE) {
\r
1777 var t = Element._attributeTranslations.read;
\r
1778 if (t.values[name]) return t.values[name](element, name);
\r
1779 if (t.names[name]) name = t.names[name];
\r
1780 if (name.include(':')) {
\r
1781 return (!element.attributes || !element.attributes[name]) ? null :
\r
1782 element.attributes[name].value;
\r
1785 return element.getAttribute(name);
\r
1788 writeAttribute: function(element, name, value) {
\r
1789 element = $(element);
\r
1790 var attributes = { }, t = Element._attributeTranslations.write;
\r
1792 if (typeof name == 'object') attributes = name;
\r
1793 else attributes[name] = Object.isUndefined(value) ? true : value;
\r
1795 for (var attr in attributes) {
\r
1796 name = t.names[attr] || attr;
\r
1797 value = attributes[attr];
\r
1798 if (t.values[attr]) name = t.values[attr](element, value);
\r
1799 if (value === false || value === null)
\r
1800 element.removeAttribute(name);
\r
1801 else if (value === true)
\r
1802 element.setAttribute(name, name);
\r
1803 else element.setAttribute(name, value);
\r
1808 getHeight: function(element) {
\r
1809 return $(element).getDimensions().height;
\r
1812 getWidth: function(element) {
\r
1813 return $(element).getDimensions().width;
\r
1816 classNames: function(element) {
\r
1817 return new Element.ClassNames(element);
\r
1820 hasClassName: function(element, className) {
\r
1821 if (!(element = $(element))) return;
\r
1822 var elementClassName = element.className;
\r
1823 return (elementClassName.length > 0 && (elementClassName == className ||
\r
1824 new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
\r
1827 addClassName: function(element, className) {
\r
1828 if (!(element = $(element))) return;
\r
1829 if (!element.hasClassName(className))
\r
1830 element.className += (element.className ? ' ' : '') + className;
\r
1834 removeClassName: function(element, className) {
\r
1835 if (!(element = $(element))) return;
\r
1836 element.className = element.className.replace(
\r
1837 new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
\r
1841 toggleClassName: function(element, className) {
\r
1842 if (!(element = $(element))) return;
\r
1843 return element[element.hasClassName(className) ?
\r
1844 'removeClassName' : 'addClassName'](className);
\r
1847 // removes whitespace-only text node children
\r
1848 cleanWhitespace: function(element) {
\r
1849 element = $(element);
\r
1850 var node = element.firstChild;
\r
1852 var nextNode = node.nextSibling;
\r
1853 if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
\r
1854 element.removeChild(node);
\r
1860 empty: function(element) {
\r
1861 return $(element).innerHTML.blank();
\r
1864 descendantOf: function(element, ancestor) {
\r
1865 element = $(element), ancestor = $(ancestor);
\r
1866 var originalAncestor = ancestor;
\r
1868 if (element.compareDocumentPosition)
\r
1869 return (element.compareDocumentPosition(ancestor) & 8) === 8;
\r
1871 if (element.sourceIndex && !Prototype.Browser.Opera) {
\r
1872 var e = element.sourceIndex, a = ancestor.sourceIndex,
\r
1873 nextAncestor = ancestor.nextSibling;
\r
1874 if (!nextAncestor) {
\r
1875 do { ancestor = ancestor.parentNode; }
\r
1876 while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
\r
1878 if (nextAncestor && nextAncestor.sourceIndex)
\r
1879 return (e > a && e < nextAncestor.sourceIndex);
\r
1882 while (element = element.parentNode)
\r
1883 if (element == originalAncestor) return true;
\r
1887 scrollTo: function(element) {
\r
1888 element = $(element);
\r
1889 var pos = element.cumulativeOffset();
\r
1890 window.scrollTo(pos[0], pos[1]);
\r
1894 getStyle: function(element, style) {
\r
1895 element = $(element);
\r
1896 style = style == 'float' ? 'cssFloat' : style.camelize();
\r
1897 var value = element.style[style];
\r
1899 var css = document.defaultView.getComputedStyle(element, null);
\r
1900 value = css ? css[style] : null;
\r
1902 if (style == 'opacity') return value ? parseFloat(value) : 1.0;
\r
1903 return value == 'auto' ? null : value;
\r
1906 getOpacity: function(element) {
\r
1907 return $(element).getStyle('opacity');
\r
1910 setStyle: function(element, styles) {
\r
1911 element = $(element);
\r
1912 var elementStyle = element.style, match;
\r
1913 if (Object.isString(styles)) {
\r
1914 element.style.cssText += ';' + styles;
\r
1915 return styles.include('opacity') ?
\r
1916 element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
\r
1918 for (var property in styles)
\r
1919 if (property == 'opacity') element.setOpacity(styles[property]);
\r
1921 elementStyle[(property == 'float' || property == 'cssFloat') ?
\r
1922 (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
\r
1923 property] = styles[property];
\r
1928 setOpacity: function(element, value) {
\r
1929 element = $(element);
\r
1930 element.style.opacity = (value == 1 || value === '') ? '' :
\r
1931 (value < 0.00001) ? 0 : value;
\r
1935 getDimensions: function(element) {
\r
1936 element = $(element);
\r
1937 var display = $(element).getStyle('display');
\r
1938 if (display != 'none' && display != null) // Safari bug
\r
1939 return {width: element.offsetWidth, height: element.offsetHeight};
\r
1941 // All *Width and *Height properties give 0 on elements with display none,
\r
1942 // so enable the element temporarily
\r
1943 var els = element.style;
\r
1944 var originalVisibility = els.visibility;
\r
1945 var originalPosition = els.position;
\r
1946 var originalDisplay = els.display;
\r
1947 els.visibility = 'hidden';
\r
1948 els.position = 'absolute';
\r
1949 els.display = 'block';
\r
1950 var originalWidth = element.clientWidth;
\r
1951 var originalHeight = element.clientHeight;
\r
1952 els.display = originalDisplay;
\r
1953 els.position = originalPosition;
\r
1954 els.visibility = originalVisibility;
\r
1955 return {width: originalWidth, height: originalHeight};
\r
1958 makePositioned: function(element) {
\r
1959 element = $(element);
\r
1960 var pos = Element.getStyle(element, 'position');
\r
1961 if (pos == 'static' || !pos) {
\r
1962 element._madePositioned = true;
\r
1963 element.style.position = 'relative';
\r
1964 // Opera returns the offset relative to the positioning context, when an
\r
1965 // element is position relative but top and left have not been defined
\r
1966 if (window.opera) {
\r
1967 element.style.top = 0;
\r
1968 element.style.left = 0;
\r
1974 undoPositioned: function(element) {
\r
1975 element = $(element);
\r
1976 if (element._madePositioned) {
\r
1977 element._madePositioned = undefined;
\r
1978 element.style.position =
\r
1979 element.style.top =
\r
1980 element.style.left =
\r
1981 element.style.bottom =
\r
1982 element.style.right = '';
\r
1987 makeClipping: function(element) {
\r
1988 element = $(element);
\r
1989 if (element._overflow) return element;
\r
1990 element._overflow = Element.getStyle(element, 'overflow') || 'auto';
\r
1991 if (element._overflow !== 'hidden')
\r
1992 element.style.overflow = 'hidden';
\r
1996 undoClipping: function(element) {
\r
1997 element = $(element);
\r
1998 if (!element._overflow) return element;
\r
1999 element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
\r
2000 element._overflow = null;
\r
2004 cumulativeOffset: function(element) {
\r
2005 var valueT = 0, valueL = 0;
\r
2007 valueT += element.offsetTop || 0;
\r
2008 valueL += element.offsetLeft || 0;
\r
2009 element = element.offsetParent;
\r
2010 } while (element);
\r
2011 return Element._returnOffset(valueL, valueT);
\r
2014 positionedOffset: function(element) {
\r
2015 var valueT = 0, valueL = 0;
\r
2017 valueT += element.offsetTop || 0;
\r
2018 valueL += element.offsetLeft || 0;
\r
2019 element = element.offsetParent;
\r
2021 if (element.tagName == 'BODY') break;
\r
2022 var p = Element.getStyle(element, 'position');
\r
2023 if (p !== 'static') break;
\r
2025 } while (element);
\r
2026 return Element._returnOffset(valueL, valueT);
\r
2029 absolutize: function(element) {
\r
2030 element = $(element);
\r
2031 if (element.getStyle('position') == 'absolute') return;
\r
2032 // Position.prepare(); // To be done manually by Scripty when it needs it.
\r
2034 var offsets = element.positionedOffset();
\r
2035 var top = offsets[1];
\r
2036 var left = offsets[0];
\r
2037 var width = element.clientWidth;
\r
2038 var height = element.clientHeight;
\r
2040 element._originalLeft = left - parseFloat(element.style.left || 0);
\r
2041 element._originalTop = top - parseFloat(element.style.top || 0);
\r
2042 element._originalWidth = element.style.width;
\r
2043 element._originalHeight = element.style.height;
\r
2045 element.style.position = 'absolute';
\r
2046 element.style.top = top + 'px';
\r
2047 element.style.left = left + 'px';
\r
2048 element.style.width = width + 'px';
\r
2049 element.style.height = height + 'px';
\r
2053 relativize: function(element) {
\r
2054 element = $(element);
\r
2055 if (element.getStyle('position') == 'relative') return;
\r
2056 // Position.prepare(); // To be done manually by Scripty when it needs it.
\r
2058 element.style.position = 'relative';
\r
2059 var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
\r
2060 var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
\r
2062 element.style.top = top + 'px';
\r
2063 element.style.left = left + 'px';
\r
2064 element.style.height = element._originalHeight;
\r
2065 element.style.width = element._originalWidth;
\r
2069 cumulativeScrollOffset: function(element) {
\r
2070 var valueT = 0, valueL = 0;
\r
2072 valueT += element.scrollTop || 0;
\r
2073 valueL += element.scrollLeft || 0;
\r
2074 element = element.parentNode;
\r
2075 } while (element);
\r
2076 return Element._returnOffset(valueL, valueT);
\r
2079 getOffsetParent: function(element) {
\r
2080 if (element.offsetParent) return $(element.offsetParent);
\r
2081 if (element == document.body) return $(element);
\r
2083 while ((element = element.parentNode) && element != document.body)
\r
2084 if (Element.getStyle(element, 'position') != 'static')
\r
2085 return $(element);
\r
2087 return $(document.body);
\r
2090 viewportOffset: function(forElement) {
\r
2091 var valueT = 0, valueL = 0;
\r
2093 var element = forElement;
\r
2095 valueT += element.offsetTop || 0;
\r
2096 valueL += element.offsetLeft || 0;
\r
2099 if (element.offsetParent == document.body &&
\r
2100 Element.getStyle(element, 'position') == 'absolute') break;
\r
2102 } while (element = element.offsetParent);
\r
2104 element = forElement;
\r
2106 if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
\r
2107 valueT -= element.scrollTop || 0;
\r
2108 valueL -= element.scrollLeft || 0;
\r
2110 } while (element = element.parentNode);
\r
2112 return Element._returnOffset(valueL, valueT);
\r
2115 clonePosition: function(element, source) {
\r
2116 var options = Object.extend({
\r
2123 }, arguments[2] || { });
\r
2125 // find page position of source
\r
2126 source = $(source);
\r
2127 var p = source.viewportOffset();
\r
2129 // find coordinate system to use
\r
2130 element = $(element);
\r
2131 var delta = [0, 0];
\r
2132 var parent = null;
\r
2133 // delta [0,0] will do fine with position: fixed elements,
\r
2134 // position:absolute needs offsetParent deltas
\r
2135 if (Element.getStyle(element, 'position') == 'absolute') {
\r
2136 parent = element.getOffsetParent();
\r
2137 delta = parent.viewportOffset();
\r
2140 // correct by body offsets (fixes Safari)
\r
2141 if (parent == document.body) {
\r
2142 delta[0] -= document.body.offsetLeft;
\r
2143 delta[1] -= document.body.offsetTop;
\r
2147 if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
\r
2148 if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
\r
2149 if (options.setWidth) element.style.width = source.offsetWidth + 'px';
\r
2150 if (options.setHeight) element.style.height = source.offsetHeight + 'px';
\r
2155 Element.Methods.identify.counter = 1;
\r
2157 Object.extend(Element.Methods, {
\r
2158 getElementsBySelector: Element.Methods.select,
\r
2159 childElements: Element.Methods.immediateDescendants
\r
2162 Element._attributeTranslations = {
\r
2165 className: 'class',
\r
2172 if (Prototype.Browser.Opera) {
\r
2173 Element.Methods.getStyle = Element.Methods.getStyle.wrap(
\r
2174 function(proceed, element, style) {
\r
2176 case 'left': case 'top': case 'right': case 'bottom':
\r
2177 if (proceed(element, 'position') === 'static') return null;
\r
2178 case 'height': case 'width':
\r
2179 // returns '0px' for hidden elements; we want it to return null
\r
2180 if (!Element.visible(element)) return null;
\r
2182 // returns the border-box dimensions rather than the content-box
\r
2183 // dimensions, so we subtract padding and borders from the value
\r
2184 var dim = parseInt(proceed(element, style), 10);
\r
2186 if (dim !== element['offset' + style.capitalize()])
\r
2187 return dim + 'px';
\r
2190 if (style === 'height') {
\r
2191 properties = ['border-top-width', 'padding-top',
\r
2192 'padding-bottom', 'border-bottom-width'];
\r
2195 properties = ['border-left-width', 'padding-left',
\r
2196 'padding-right', 'border-right-width'];
\r
2198 return properties.inject(dim, function(memo, property) {
\r
2199 var val = proceed(element, property);
\r
2200 return val === null ? memo : memo - parseInt(val, 10);
\r
2202 default: return proceed(element, style);
\r
2207 Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
\r
2208 function(proceed, element, attribute) {
\r
2209 if (attribute === 'title') return element.title;
\r
2210 return proceed(element, attribute);
\r
2215 else if (Prototype.Browser.IE) {
\r
2216 // IE doesn't report offsets correctly for static elements, so we change them
\r
2217 // to "relative" to get the values, then change them back.
\r
2218 Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
\r
2219 function(proceed, element) {
\r
2220 element = $(element);
\r
2221 var position = element.getStyle('position');
\r
2222 if (position !== 'static') return proceed(element);
\r
2223 element.setStyle({ position: 'relative' });
\r
2224 var value = proceed(element);
\r
2225 element.setStyle({ position: position });
\r
2230 $w('positionedOffset viewportOffset').each(function(method) {
\r
2231 Element.Methods[method] = Element.Methods[method].wrap(
\r
2232 function(proceed, element) {
\r
2233 element = $(element);
\r
2234 var position = element.getStyle('position');
\r
2235 if (position !== 'static') return proceed(element);
\r
2236 // Trigger hasLayout on the offset parent so that IE6 reports
\r
2237 // accurate offsetTop and offsetLeft values for position: fixed.
\r
2238 var offsetParent = element.getOffsetParent();
\r
2239 if (offsetParent && offsetParent.getStyle('position') === 'fixed')
\r
2240 offsetParent.setStyle({ zoom: 1 });
\r
2241 element.setStyle({ position: 'relative' });
\r
2242 var value = proceed(element);
\r
2243 element.setStyle({ position: position });
\r
2249 Element.Methods.getStyle = function(element, style) {
\r
2250 element = $(element);
\r
2251 style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
\r
2252 var value = element.style[style];
\r
2253 if (!value && element.currentStyle) value = element.currentStyle[style];
\r
2255 if (style == 'opacity') {
\r
2256 if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
\r
2257 if (value[1]) return parseFloat(value[1]) / 100;
\r
2261 if (value == 'auto') {
\r
2262 if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
\r
2263 return element['offset' + style.capitalize()] + 'px';
\r
2269 Element.Methods.setOpacity = function(element, value) {
\r
2270 function stripAlpha(filter){
\r
2271 return filter.replace(/alpha\([^\)]*\)/gi,'');
\r
2273 element = $(element);
\r
2274 var currentStyle = element.currentStyle;
\r
2275 if ((currentStyle && !currentStyle.hasLayout) ||
\r
2276 (!currentStyle && element.style.zoom == 'normal'))
\r
2277 element.style.zoom = 1;
\r
2279 var filter = element.getStyle('filter'), style = element.style;
\r
2280 if (value == 1 || value === '') {
\r
2281 (filter = stripAlpha(filter)) ?
\r
2282 style.filter = filter : style.removeAttribute('filter');
\r
2284 } else if (value < 0.00001) value = 0;
\r
2285 style.filter = stripAlpha(filter) +
\r
2286 'alpha(opacity=' + (value * 100) + ')';
\r
2290 Element._attributeTranslations = {
\r
2293 'class': 'className',
\r
2297 _getAttr: function(element, attribute) {
\r
2298 return element.getAttribute(attribute, 2);
\r
2300 _getAttrNode: function(element, attribute) {
\r
2301 var node = element.getAttributeNode(attribute);
\r
2302 return node ? node.value : "";
\r
2304 _getEv: function(element, attribute) {
\r
2305 attribute = element.getAttribute(attribute);
\r
2306 return attribute ? attribute.toString().slice(23, -2) : null;
\r
2308 _flag: function(element, attribute) {
\r
2309 return $(element).hasAttribute(attribute) ? attribute : null;
\r
2311 style: function(element) {
\r
2312 return element.style.cssText.toLowerCase();
\r
2314 title: function(element) {
\r
2315 return element.title;
\r
2321 Element._attributeTranslations.write = {
\r
2322 names: Object.extend({
\r
2323 cellpadding: 'cellPadding',
\r
2324 cellspacing: 'cellSpacing'
\r
2325 }, Element._attributeTranslations.read.names),
\r
2327 checked: function(element, value) {
\r
2328 element.checked = !!value;
\r
2331 style: function(element, value) {
\r
2332 element.style.cssText = value ? value : '';
\r
2337 Element._attributeTranslations.has = {};
\r
2339 $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
\r
2340 'encType maxLength readOnly longDesc').each(function(attr) {
\r
2341 Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
\r
2342 Element._attributeTranslations.has[attr.toLowerCase()] = attr;
\r
2346 Object.extend(v, {
\r
2350 action: v._getAttrNode,
\r
2351 disabled: v._flag,
\r
2353 readonly: v._flag,
\r
2354 multiple: v._flag,
\r
2356 onunload: v._getEv,
\r
2357 onclick: v._getEv,
\r
2358 ondblclick: v._getEv,
\r
2359 onmousedown: v._getEv,
\r
2360 onmouseup: v._getEv,
\r
2361 onmouseover: v._getEv,
\r
2362 onmousemove: v._getEv,
\r
2363 onmouseout: v._getEv,
\r
2364 onfocus: v._getEv,
\r
2366 onkeypress: v._getEv,
\r
2367 onkeydown: v._getEv,
\r
2368 onkeyup: v._getEv,
\r
2369 onsubmit: v._getEv,
\r
2370 onreset: v._getEv,
\r
2371 onselect: v._getEv,
\r
2372 onchange: v._getEv
\r
2374 })(Element._attributeTranslations.read.values);
\r
2377 else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
\r
2378 Element.Methods.setOpacity = function(element, value) {
\r
2379 element = $(element);
\r
2380 element.style.opacity = (value == 1) ? 0.999999 :
\r
2381 (value === '') ? '' : (value < 0.00001) ? 0 : value;
\r
2386 else if (Prototype.Browser.WebKit) {
\r
2387 Element.Methods.setOpacity = function(element, value) {
\r
2388 element = $(element);
\r
2389 element.style.opacity = (value == 1 || value === '') ? '' :
\r
2390 (value < 0.00001) ? 0 : value;
\r
2393 if(element.tagName == 'IMG' && element.width) {
\r
2394 element.width++; element.width--;
\r
2396 var n = document.createTextNode(' ');
\r
2397 element.appendChild(n);
\r
2398 element.removeChild(n);
\r
2404 // Safari returns margins on body which is incorrect if the child is absolutely
\r
2405 // positioned. For performance reasons, redefine Element#cumulativeOffset for
\r
2406 // KHTML/WebKit only.
\r
2407 Element.Methods.cumulativeOffset = function(element) {
\r
2408 var valueT = 0, valueL = 0;
\r
2410 valueT += element.offsetTop || 0;
\r
2411 valueL += element.offsetLeft || 0;
\r
2412 if (element.offsetParent == document.body)
\r
2413 if (Element.getStyle(element, 'position') == 'absolute') break;
\r
2415 element = element.offsetParent;
\r
2416 } while (element);
\r
2418 return Element._returnOffset(valueL, valueT);
\r
2422 if (Prototype.Browser.IE || Prototype.Browser.Opera) {
\r
2423 // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
\r
2424 Element.Methods.update = function(element, content) {
\r
2425 element = $(element);
\r
2427 if (content && content.toElement) content = content.toElement();
\r
2428 if (Object.isElement(content)) return element.update().insert(content);
\r
2430 content = Object.toHTML(content);
\r
2431 var tagName = element.tagName.toUpperCase();
\r
2433 if (tagName in Element._insertionTranslations.tags) {
\r
2434 $A(element.childNodes).each(function(node) { element.removeChild(node) });
\r
2435 Element._getContentFromAnonymousElement(tagName, content.stripScripts())
\r
2436 .each(function(node) { element.appendChild(node) });
\r
2438 else element.innerHTML = content.stripScripts();
\r
2440 content.evalScripts.bind(content).defer();
\r
2445 if ('outerHTML' in document.createElement('div')) {
\r
2446 Element.Methods.replace = function(element, content) {
\r
2447 element = $(element);
\r
2449 if (content && content.toElement) content = content.toElement();
\r
2450 if (Object.isElement(content)) {
\r
2451 element.parentNode.replaceChild(content, element);
\r
2455 content = Object.toHTML(content);
\r
2456 var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
\r
2458 if (Element._insertionTranslations.tags[tagName]) {
\r
2459 var nextSibling = element.next();
\r
2460 var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
\r
2461 parent.removeChild(element);
\r
2463 fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
\r
2465 fragments.each(function(node) { parent.appendChild(node) });
\r
2467 else element.outerHTML = content.stripScripts();
\r
2469 content.evalScripts.bind(content).defer();
\r
2474 Element._returnOffset = function(l, t) {
\r
2475 var result = [l, t];
\r
2481 Element._getContentFromAnonymousElement = function(tagName, html) {
\r
2482 var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
\r
2484 div.innerHTML = t[0] + html + t[1];
\r
2485 t[2].times(function() { div = div.firstChild });
\r
2486 } else div.innerHTML = html;
\r
2487 return $A(div.childNodes);
\r
2490 Element._insertionTranslations = {
\r
2491 before: function(element, node) {
\r
2492 element.parentNode.insertBefore(node, element);
\r
2494 top: function(element, node) {
\r
2495 element.insertBefore(node, element.firstChild);
\r
2497 bottom: function(element, node) {
\r
2498 element.appendChild(node);
\r
2500 after: function(element, node) {
\r
2501 element.parentNode.insertBefore(node, element.nextSibling);
\r
2504 TABLE: ['<table>', '</table>', 1],
\r
2505 TBODY: ['<table><tbody>', '</tbody></table>', 2],
\r
2506 TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
\r
2507 TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
\r
2508 SELECT: ['<select>', '</select>', 1]
\r
2513 Object.extend(this.tags, {
\r
2514 THEAD: this.tags.TBODY,
\r
2515 TFOOT: this.tags.TBODY,
\r
2518 }).call(Element._insertionTranslations);
\r
2520 Element.Methods.Simulated = {
\r
2521 hasAttribute: function(element, attribute) {
\r
2522 attribute = Element._attributeTranslations.has[attribute] || attribute;
\r
2523 var node = $(element).getAttributeNode(attribute);
\r
2524 return node && node.specified;
\r
2528 Element.Methods.ByTag = { };
\r
2530 Object.extend(Element, Element.Methods);
\r
2532 if (!Prototype.BrowserFeatures.ElementExtensions &&
\r
2533 document.createElement('div').__proto__) {
\r
2534 window.HTMLElement = { };
\r
2535 window.HTMLElement.prototype = document.createElement('div').__proto__;
\r
2536 Prototype.BrowserFeatures.ElementExtensions = true;
\r
2539 Element.extend = (function() {
\r
2540 if (Prototype.BrowserFeatures.SpecificElementExtensions)
\r
2541 return Prototype.K;
\r
2543 var Methods = { }, ByTag = Element.Methods.ByTag;
\r
2545 var extend = Object.extend(function(element) {
\r
2546 if (!element || element._extendedByPrototype ||
\r
2547 element.nodeType != 1 || element == window) return element;
\r
2549 var methods = Object.clone(Methods),
\r
2550 tagName = element.tagName, property, value;
\r
2552 // extend methods for specific tags
\r
2553 if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
\r
2555 for (property in methods) {
\r
2556 value = methods[property];
\r
2557 if (Object.isFunction(value) && !(property in element))
\r
2558 element[property] = value.methodize();
\r
2561 element._extendedByPrototype = Prototype.emptyFunction;
\r
2565 refresh: function() {
\r
2566 // extend methods for all tags (Safari doesn't need this)
\r
2567 if (!Prototype.BrowserFeatures.ElementExtensions) {
\r
2568 Object.extend(Methods, Element.Methods);
\r
2569 Object.extend(Methods, Element.Methods.Simulated);
\r
2578 Element.hasAttribute = function(element, attribute) {
\r
2579 if (element.hasAttribute) return element.hasAttribute(attribute);
\r
2580 return Element.Methods.Simulated.hasAttribute(element, attribute);
\r
2583 Element.addMethods = function(methods) {
\r
2584 var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
\r
2587 Object.extend(Form, Form.Methods);
\r
2588 Object.extend(Form.Element, Form.Element.Methods);
\r
2589 Object.extend(Element.Methods.ByTag, {
\r
2590 "FORM": Object.clone(Form.Methods),
\r
2591 "INPUT": Object.clone(Form.Element.Methods),
\r
2592 "SELECT": Object.clone(Form.Element.Methods),
\r
2593 "TEXTAREA": Object.clone(Form.Element.Methods)
\r
2597 if (arguments.length == 2) {
\r
2598 var tagName = methods;
\r
2599 methods = arguments[1];
\r
2602 if (!tagName) Object.extend(Element.Methods, methods || { });
\r
2604 if (Object.isArray(tagName)) tagName.each(extend);
\r
2605 else extend(tagName);
\r
2608 function extend(tagName) {
\r
2609 tagName = tagName.toUpperCase();
\r
2610 if (!Element.Methods.ByTag[tagName])
\r
2611 Element.Methods.ByTag[tagName] = { };
\r
2612 Object.extend(Element.Methods.ByTag[tagName], methods);
\r
2615 function copy(methods, destination, onlyIfAbsent) {
\r
2616 onlyIfAbsent = onlyIfAbsent || false;
\r
2617 for (var property in methods) {
\r
2618 var value = methods[property];
\r
2619 if (!Object.isFunction(value)) continue;
\r
2620 if (!onlyIfAbsent || !(property in destination))
\r
2621 destination[property] = value.methodize();
\r
2625 function findDOMClass(tagName) {
\r
2628 "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
\r
2629 "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
\r
2630 "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
\r
2631 "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
\r
2632 "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
\r
2633 "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
\r
2634 "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
\r
2635 "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
\r
2636 "FrameSet", "IFRAME": "IFrame"
\r
2638 if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
\r
2639 if (window[klass]) return window[klass];
\r
2640 klass = 'HTML' + tagName + 'Element';
\r
2641 if (window[klass]) return window[klass];
\r
2642 klass = 'HTML' + tagName.capitalize() + 'Element';
\r
2643 if (window[klass]) return window[klass];
\r
2645 window[klass] = { };
\r
2646 window[klass].prototype = document.createElement(tagName).__proto__;
\r
2647 return window[klass];
\r
2650 if (F.ElementExtensions) {
\r
2651 copy(Element.Methods, HTMLElement.prototype);
\r
2652 copy(Element.Methods.Simulated, HTMLElement.prototype, true);
\r
2655 if (F.SpecificElementExtensions) {
\r
2656 for (var tag in Element.Methods.ByTag) {
\r
2657 var klass = findDOMClass(tag);
\r
2658 if (Object.isUndefined(klass)) continue;
\r
2659 copy(T[tag], klass.prototype);
\r
2663 Object.extend(Element, Element.Methods);
\r
2664 delete Element.ByTag;
\r
2666 if (Element.extend.refresh) Element.extend.refresh();
\r
2667 Element.cache = { };
\r
2670 document.viewport = {
\r
2671 getDimensions: function() {
\r
2672 var dimensions = { };
\r
2673 var B = Prototype.Browser;
\r
2674 $w('width height').each(function(d) {
\r
2675 var D = d.capitalize();
\r
2676 dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
\r
2677 (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
\r
2679 return dimensions;
\r
2682 getWidth: function() {
\r
2683 return this.getDimensions().width;
\r
2686 getHeight: function() {
\r
2687 return this.getDimensions().height;
\r
2690 getScrollOffsets: function() {
\r
2691 return Element._returnOffset(
\r
2692 window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
\r
2693 window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
\r
2696 /* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
\r
2697 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
\r
2698 * license. Please see http://www.yui-ext.com/ for more information. */
\r
2700 var Selector = Class.create({
\r
2701 initialize: function(expression) {
\r
2702 this.expression = expression.strip();
\r
2703 this.compileMatcher();
\r
2706 shouldUseXPath: function() {
\r
2707 if (!Prototype.BrowserFeatures.XPath) return false;
\r
2709 var e = this.expression;
\r
2711 // Safari 3 chokes on :*-of-type and :empty
\r
2712 if (Prototype.Browser.WebKit &&
\r
2713 (e.include("-of-type") || e.include(":empty")))
\r
2716 // XPath can't do namespaced attributes, nor can it read
\r
2717 // the "checked" property from DOM nodes
\r
2718 if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
\r
2724 compileMatcher: function() {
\r
2725 if (this.shouldUseXPath())
\r
2726 return this.compileXPathMatcher();
\r
2728 var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
\r
2729 c = Selector.criteria, le, p, m;
\r
2731 if (Selector._cache[e]) {
\r
2732 this.matcher = Selector._cache[e];
\r
2736 this.matcher = ["this.matcher = function(root) {",
\r
2737 "var r = root, h = Selector.handlers, c = false, n;"];
\r
2739 while (e && le != e && (/\S/).test(e)) {
\r
2741 for (var i in ps) {
\r
2743 if (m = e.match(p)) {
\r
2744 this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
\r
2745 new Template(c[i]).evaluate(m));
\r
2746 e = e.replace(m[0], '');
\r
2752 this.matcher.push("return h.unique(n);\n}");
\r
2753 eval(this.matcher.join('\n'));
\r
2754 Selector._cache[this.expression] = this.matcher;
\r
2757 compileXPathMatcher: function() {
\r
2758 var e = this.expression, ps = Selector.patterns,
\r
2759 x = Selector.xpath, le, m;
\r
2761 if (Selector._cache[e]) {
\r
2762 this.xpath = Selector._cache[e]; return;
\r
2765 this.matcher = ['.//*'];
\r
2766 while (e && le != e && (/\S/).test(e)) {
\r
2768 for (var i in ps) {
\r
2769 if (m = e.match(ps[i])) {
\r
2770 this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
\r
2771 new Template(x[i]).evaluate(m));
\r
2772 e = e.replace(m[0], '');
\r
2778 this.xpath = this.matcher.join('');
\r
2779 Selector._cache[this.expression] = this.xpath;
\r
2782 findElements: function(root) {
\r
2783 root = root || document;
\r
2784 if (this.xpath) return document._getElementsByXPath(this.xpath, root);
\r
2785 return this.matcher(root);
\r
2788 match: function(element) {
\r
2791 var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
\r
2794 while (e && le !== e && (/\S/).test(e)) {
\r
2796 for (var i in ps) {
\r
2798 if (m = e.match(p)) {
\r
2799 // use the Selector.assertions methods unless the selector
\r
2800 // is too complex.
\r
2802 this.tokens.push([i, Object.clone(m)]);
\r
2803 e = e.replace(m[0], '');
\r
2805 // reluctantly do a document-wide search
\r
2806 // and look for a match in the array
\r
2807 return this.findElements(document).include(element);
\r
2813 var match = true, name, matches;
\r
2814 for (var i = 0, token; token = this.tokens[i]; i++) {
\r
2815 name = token[0], matches = token[1];
\r
2816 if (!Selector.assertions[name](element, matches)) {
\r
2817 match = false; break;
\r
2824 toString: function() {
\r
2825 return this.expression;
\r
2828 inspect: function() {
\r
2829 return "#<Selector:" + this.expression.inspect() + ">";
\r
2833 Object.extend(Selector, {
\r
2837 descendant: "//*",
\r
2839 adjacent: "/following-sibling::*[1]",
\r
2840 laterSibling: '/following-sibling::*',
\r
2841 tagName: function(m) {
\r
2842 if (m[1] == '*') return '';
\r
2843 return "[local-name()='" + m[1].toLowerCase() +
\r
2844 "' or local-name()='" + m[1].toUpperCase() + "']";
\r
2846 className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
\r
2847 id: "[@id='#{1}']",
\r
2848 attrPresence: function(m) {
\r
2849 m[1] = m[1].toLowerCase();
\r
2850 return new Template("[@#{1}]").evaluate(m);
\r
2852 attr: function(m) {
\r
2853 m[1] = m[1].toLowerCase();
\r
2854 m[3] = m[5] || m[6];
\r
2855 return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
\r
2857 pseudo: function(m) {
\r
2858 var h = Selector.xpath.pseudos[m[1]];
\r
2859 if (!h) return '';
\r
2860 if (Object.isFunction(h)) return h(m);
\r
2861 return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
\r
2864 '=': "[@#{1}='#{3}']",
\r
2865 '!=': "[@#{1}!='#{3}']",
\r
2866 '^=': "[starts-with(@#{1}, '#{3}')]",
\r
2867 '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
\r
2868 '*=': "[contains(@#{1}, '#{3}')]",
\r
2869 '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
\r
2870 '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
\r
2873 'first-child': '[not(preceding-sibling::*)]',
\r
2874 'last-child': '[not(following-sibling::*)]',
\r
2875 'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
\r
2876 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
\r
2877 'checked': "[@checked]",
\r
2878 'disabled': "[@disabled]",
\r
2879 'enabled': "[not(@disabled)]",
\r
2880 'not': function(m) {
\r
2881 var e = m[6], p = Selector.patterns,
\r
2882 x = Selector.xpath, le, v;
\r
2884 var exclusion = [];
\r
2885 while (e && le != e && (/\S/).test(e)) {
\r
2887 for (var i in p) {
\r
2888 if (m = e.match(p[i])) {
\r
2889 v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
\r
2890 exclusion.push("(" + v.substring(1, v.length - 1) + ")");
\r
2891 e = e.replace(m[0], '');
\r
2896 return "[not(" + exclusion.join(" and ") + ")]";
\r
2898 'nth-child': function(m) {
\r
2899 return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
\r
2901 'nth-last-child': function(m) {
\r
2902 return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
\r
2904 'nth-of-type': function(m) {
\r
2905 return Selector.xpath.pseudos.nth("position() ", m);
\r
2907 'nth-last-of-type': function(m) {
\r
2908 return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
\r
2910 'first-of-type': function(m) {
\r
2911 m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
\r
2913 'last-of-type': function(m) {
\r
2914 m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
\r
2916 'only-of-type': function(m) {
\r
2917 var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
\r
2919 nth: function(fragment, m) {
\r
2920 var mm, formula = m[6], predicate;
\r
2921 if (formula == 'even') formula = '2n+0';
\r
2922 if (formula == 'odd') formula = '2n+1';
\r
2923 if (mm = formula.match(/^(\d+)$/)) // digit only
\r
2924 return '[' + fragment + "= " + mm[1] + ']';
\r
2925 if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
\r
2926 if (mm[1] == "-") mm[1] = -1;
\r
2927 var a = mm[1] ? Number(mm[1]) : 1;
\r
2928 var b = mm[2] ? Number(mm[2]) : 0;
\r
2929 predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
\r
2930 "((#{fragment} - #{b}) div #{a} >= 0)]";
\r
2931 return new Template(predicate).evaluate({
\r
2932 fragment: fragment, a: a, b: b });
\r
2939 tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
\r
2940 className: 'n = h.className(n, r, "#{1}", c); c = false;',
\r
2941 id: 'n = h.id(n, r, "#{1}", c); c = false;',
\r
2942 attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
\r
2943 attr: function(m) {
\r
2944 m[3] = (m[5] || m[6]);
\r
2945 return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
\r
2947 pseudo: function(m) {
\r
2948 if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
\r
2949 return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
\r
2951 descendant: 'c = "descendant";',
\r
2952 child: 'c = "child";',
\r
2953 adjacent: 'c = "adjacent";',
\r
2954 laterSibling: 'c = "laterSibling";'
\r
2958 // combinators must be listed first
\r
2959 // (and descendant needs to be last combinator)
\r
2960 laterSibling: /^\s*~\s*/,
\r
2961 child: /^\s*>\s*/,
\r
2962 adjacent: /^\s*\+\s*/,
\r
2963 descendant: /^\s/,
\r
2965 // selectors follow
\r
2966 tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
\r
2967 id: /^#([\w\-\*]+)(\b|$)/,
\r
2968 className: /^\.([\w\-\*]+)(\b|$)/,
\r
2970 /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
\r
2971 attrPresence: /^\[([\w]+)\]/,
\r
2972 attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
\r
2975 // for Selector.match and Element#match
\r
2977 tagName: function(element, matches) {
\r
2978 return matches[1].toUpperCase() == element.tagName.toUpperCase();
\r
2981 className: function(element, matches) {
\r
2982 return Element.hasClassName(element, matches[1]);
\r
2985 id: function(element, matches) {
\r
2986 return element.id === matches[1];
\r
2989 attrPresence: function(element, matches) {
\r
2990 return Element.hasAttribute(element, matches[1]);
\r
2993 attr: function(element, matches) {
\r
2994 var nodeValue = Element.readAttribute(element, matches[1]);
\r
2995 return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
\r
3000 // UTILITY FUNCTIONS
\r
3001 // joins two collections
\r
3002 concat: function(a, b) {
\r
3003 for (var i = 0, node; node = b[i]; i++)
\r
3008 // marks an array of nodes for counting
\r
3009 mark: function(nodes) {
\r
3010 var _true = Prototype.emptyFunction;
\r
3011 for (var i = 0, node; node = nodes[i]; i++)
\r
3012 node._countedByPrototype = _true;
\r
3016 unmark: function(nodes) {
\r
3017 for (var i = 0, node; node = nodes[i]; i++)
\r
3018 node._countedByPrototype = undefined;
\r
3022 // mark each child node with its position (for nth calls)
\r
3023 // "ofType" flag indicates whether we're indexing for nth-of-type
\r
3024 // rather than nth-child
\r
3025 index: function(parentNode, reverse, ofType) {
\r
3026 parentNode._countedByPrototype = Prototype.emptyFunction;
\r
3028 for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
\r
3029 var node = nodes[i];
\r
3030 if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
\r
3033 for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
\r
3034 if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
\r
3038 // filters out duplicates and extends all nodes
\r
3039 unique: function(nodes) {
\r
3040 if (nodes.length == 0) return nodes;
\r
3041 var results = [], n;
\r
3042 for (var i = 0, l = nodes.length; i < l; i++)
\r
3043 if (!(n = nodes[i])._countedByPrototype) {
\r
3044 n._countedByPrototype = Prototype.emptyFunction;
\r
3045 results.push(Element.extend(n));
\r
3047 return Selector.handlers.unmark(results);
\r
3050 // COMBINATOR FUNCTIONS
\r
3051 descendant: function(nodes) {
\r
3052 var h = Selector.handlers;
\r
3053 for (var i = 0, results = [], node; node = nodes[i]; i++)
\r
3054 h.concat(results, node.getElementsByTagName('*'));
\r
3058 child: function(nodes) {
\r
3059 var h = Selector.handlers;
\r
3060 for (var i = 0, results = [], node; node = nodes[i]; i++) {
\r
3061 for (var j = 0, child; child = node.childNodes[j]; j++)
\r
3062 if (child.nodeType == 1 && child.tagName != '!') results.push(child);
\r
3067 adjacent: function(nodes) {
\r
3068 for (var i = 0, results = [], node; node = nodes[i]; i++) {
\r
3069 var next = this.nextElementSibling(node);
\r
3070 if (next) results.push(next);
\r
3075 laterSibling: function(nodes) {
\r
3076 var h = Selector.handlers;
\r
3077 for (var i = 0, results = [], node; node = nodes[i]; i++)
\r
3078 h.concat(results, Element.nextSiblings(node));
\r
3082 nextElementSibling: function(node) {
\r
3083 while (node = node.nextSibling)
\r
3084 if (node.nodeType == 1) return node;
\r
3088 previousElementSibling: function(node) {
\r
3089 while (node = node.previousSibling)
\r
3090 if (node.nodeType == 1) return node;
\r
3094 // TOKEN FUNCTIONS
\r
3095 tagName: function(nodes, root, tagName, combinator) {
\r
3096 var uTagName = tagName.toUpperCase();
\r
3097 var results = [], h = Selector.handlers;
\r
3100 // fastlane for ordinary descendant combinators
\r
3101 if (combinator == "descendant") {
\r
3102 for (var i = 0, node; node = nodes[i]; i++)
\r
3103 h.concat(results, node.getElementsByTagName(tagName));
\r
3105 } else nodes = this[combinator](nodes);
\r
3106 if (tagName == "*") return nodes;
\r
3108 for (var i = 0, node; node = nodes[i]; i++)
\r
3109 if (node.tagName.toUpperCase() === uTagName) results.push(node);
\r
3111 } else return root.getElementsByTagName(tagName);
\r
3114 id: function(nodes, root, id, combinator) {
\r
3115 var targetNode = $(id), h = Selector.handlers;
\r
3116 if (!targetNode) return [];
\r
3117 if (!nodes && root == document) return [targetNode];
\r
3120 if (combinator == 'child') {
\r
3121 for (var i = 0, node; node = nodes[i]; i++)
\r
3122 if (targetNode.parentNode == node) return [targetNode];
\r
3123 } else if (combinator == 'descendant') {
\r
3124 for (var i = 0, node; node = nodes[i]; i++)
\r
3125 if (Element.descendantOf(targetNode, node)) return [targetNode];
\r
3126 } else if (combinator == 'adjacent') {
\r
3127 for (var i = 0, node; node = nodes[i]; i++)
\r
3128 if (Selector.handlers.previousElementSibling(targetNode) == node)
\r
3129 return [targetNode];
\r
3130 } else nodes = h[combinator](nodes);
\r
3132 for (var i = 0, node; node = nodes[i]; i++)
\r
3133 if (node == targetNode) return [targetNode];
\r
3136 return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
\r
3139 className: function(nodes, root, className, combinator) {
\r
3140 if (nodes && combinator) nodes = this[combinator](nodes);
\r
3141 return Selector.handlers.byClassName(nodes, root, className);
\r
3144 byClassName: function(nodes, root, className) {
\r
3145 if (!nodes) nodes = Selector.handlers.descendant([root]);
\r
3146 var needle = ' ' + className + ' ';
\r
3147 for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
\r
3148 nodeClassName = node.className;
\r
3149 if (nodeClassName.length == 0) continue;
\r
3150 if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
\r
3151 results.push(node);
\r
3156 attrPresence: function(nodes, root, attr, combinator) {
\r
3157 if (!nodes) nodes = root.getElementsByTagName("*");
\r
3158 if (nodes && combinator) nodes = this[combinator](nodes);
\r
3160 for (var i = 0, node; node = nodes[i]; i++)
\r
3161 if (Element.hasAttribute(node, attr)) results.push(node);
\r
3165 attr: function(nodes, root, attr, value, operator, combinator) {
\r
3166 if (!nodes) nodes = root.getElementsByTagName("*");
\r
3167 if (nodes && combinator) nodes = this[combinator](nodes);
\r
3168 var handler = Selector.operators[operator], results = [];
\r
3169 for (var i = 0, node; node = nodes[i]; i++) {
\r
3170 var nodeValue = Element.readAttribute(node, attr);
\r
3171 if (nodeValue === null) continue;
\r
3172 if (handler(nodeValue, value)) results.push(node);
\r
3177 pseudo: function(nodes, name, value, root, combinator) {
\r
3178 if (nodes && combinator) nodes = this[combinator](nodes);
\r
3179 if (!nodes) nodes = root.getElementsByTagName("*");
\r
3180 return Selector.pseudos[name](nodes, value, root);
\r
3185 'first-child': function(nodes, value, root) {
\r
3186 for (var i = 0, results = [], node; node = nodes[i]; i++) {
\r
3187 if (Selector.handlers.previousElementSibling(node)) continue;
\r
3188 results.push(node);
\r
3192 'last-child': function(nodes, value, root) {
\r
3193 for (var i = 0, results = [], node; node = nodes[i]; i++) {
\r
3194 if (Selector.handlers.nextElementSibling(node)) continue;
\r
3195 results.push(node);
\r
3199 'only-child': function(nodes, value, root) {
\r
3200 var h = Selector.handlers;
\r
3201 for (var i = 0, results = [], node; node = nodes[i]; i++)
\r
3202 if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
\r
3203 results.push(node);
\r
3206 'nth-child': function(nodes, formula, root) {
\r
3207 return Selector.pseudos.nth(nodes, formula, root);
\r
3209 'nth-last-child': function(nodes, formula, root) {
\r
3210 return Selector.pseudos.nth(nodes, formula, root, true);
\r
3212 'nth-of-type': function(nodes, formula, root) {
\r
3213 return Selector.pseudos.nth(nodes, formula, root, false, true);
\r
3215 'nth-last-of-type': function(nodes, formula, root) {
\r
3216 return Selector.pseudos.nth(nodes, formula, root, true, true);
\r
3218 'first-of-type': function(nodes, formula, root) {
\r
3219 return Selector.pseudos.nth(nodes, "1", root, false, true);
\r
3221 'last-of-type': function(nodes, formula, root) {
\r
3222 return Selector.pseudos.nth(nodes, "1", root, true, true);
\r
3224 'only-of-type': function(nodes, formula, root) {
\r
3225 var p = Selector.pseudos;
\r
3226 return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
\r
3229 // handles the an+b logic
\r
3230 getIndices: function(a, b, total) {
\r
3231 if (a == 0) return b > 0 ? [b] : [];
\r
3232 return $R(1, total).inject([], function(memo, i) {
\r
3233 if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
\r
3238 // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
\r
3239 nth: function(nodes, formula, root, reverse, ofType) {
\r
3240 if (nodes.length == 0) return [];
\r
3241 if (formula == 'even') formula = '2n+0';
\r
3242 if (formula == 'odd') formula = '2n+1';
\r
3243 var h = Selector.handlers, results = [], indexed = [], m;
\r
3245 for (var i = 0, node; node = nodes[i]; i++) {
\r
3246 if (!node.parentNode._countedByPrototype) {
\r
3247 h.index(node.parentNode, reverse, ofType);
\r
3248 indexed.push(node.parentNode);
\r
3251 if (formula.match(/^\d+$/)) { // just a number
\r
3252 formula = Number(formula);
\r
3253 for (var i = 0, node; node = nodes[i]; i++)
\r
3254 if (node.nodeIndex == formula) results.push(node);
\r
3255 } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
\r
3256 if (m[1] == "-") m[1] = -1;
\r
3257 var a = m[1] ? Number(m[1]) : 1;
\r
3258 var b = m[2] ? Number(m[2]) : 0;
\r
3259 var indices = Selector.pseudos.getIndices(a, b, nodes.length);
\r
3260 for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
\r
3261 for (var j = 0; j < l; j++)
\r
3262 if (node.nodeIndex == indices[j]) results.push(node);
\r
3266 h.unmark(indexed);
\r
3270 'empty': function(nodes, value, root) {
\r
3271 for (var i = 0, results = [], node; node = nodes[i]; i++) {
\r
3272 // IE treats comments as element nodes
\r
3273 if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
\r
3274 results.push(node);
\r
3279 'not': function(nodes, selector, root) {
\r
3280 var h = Selector.handlers, selectorType, m;
\r
3281 var exclusions = new Selector(selector).findElements(root);
\r
3282 h.mark(exclusions);
\r
3283 for (var i = 0, results = [], node; node = nodes[i]; i++)
\r
3284 if (!node._countedByPrototype) results.push(node);
\r
3285 h.unmark(exclusions);
\r
3289 'enabled': function(nodes, value, root) {
\r
3290 for (var i = 0, results = [], node; node = nodes[i]; i++)
\r
3291 if (!node.disabled) results.push(node);
\r
3295 'disabled': function(nodes, value, root) {
\r
3296 for (var i = 0, results = [], node; node = nodes[i]; i++)
\r
3297 if (node.disabled) results.push(node);
\r
3301 'checked': function(nodes, value, root) {
\r
3302 for (var i = 0, results = [], node; node = nodes[i]; i++)
\r
3303 if (node.checked) results.push(node);
\r
3309 '=': function(nv, v) { return nv == v; },
\r
3310 '!=': function(nv, v) { return nv != v; },
\r
3311 '^=': function(nv, v) { return nv.startsWith(v); },
\r
3312 '$=': function(nv, v) { return nv.endsWith(v); },
\r
3313 '*=': function(nv, v) { return nv.include(v); },
\r
3314 '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
\r
3315 '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
\r
3318 split: function(expression) {
\r
3319 var expressions = [];
\r
3320 expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
\r
3321 expressions.push(m[1].strip());
\r
3323 return expressions;
\r
3326 matchElements: function(elements, expression) {
\r
3327 var matches = $$(expression), h = Selector.handlers;
\r
3329 for (var i = 0, results = [], element; element = elements[i]; i++)
\r
3330 if (element._countedByPrototype) results.push(element);
\r
3331 h.unmark(matches);
\r
3335 findElement: function(elements, expression, index) {
\r
3336 if (Object.isNumber(expression)) {
\r
3337 index = expression; expression = false;
\r
3339 return Selector.matchElements(elements, expression || '*')[index || 0];
\r
3342 findChildElements: function(element, expressions) {
\r
3343 expressions = Selector.split(expressions.join(','));
\r
3344 var results = [], h = Selector.handlers;
\r
3345 for (var i = 0, l = expressions.length, selector; i < l; i++) {
\r
3346 selector = new Selector(expressions[i].strip());
\r
3347 h.concat(results, selector.findElements(element));
\r
3349 return (l > 1) ? h.unique(results) : results;
\r
3353 if (Prototype.Browser.IE) {
\r
3354 Object.extend(Selector.handlers, {
\r
3355 // IE returns comment nodes on getElementsByTagName("*").
\r
3356 // Filter them out.
\r
3357 concat: function(a, b) {
\r
3358 for (var i = 0, node; node = b[i]; i++)
\r
3359 if (node.tagName !== "!") a.push(node);
\r
3363 // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
\r
3364 unmark: function(nodes) {
\r
3365 for (var i = 0, node; node = nodes[i]; i++)
\r
3366 node.removeAttribute('_countedByPrototype');
\r
3373 return Selector.findChildElements(document, $A(arguments));
\r
3376 reset: function(form) {
\r
3381 serializeElements: function(elements, options) {
\r
3382 if (typeof options != 'object') options = { hash: !!options };
\r
3383 else if (Object.isUndefined(options.hash)) options.hash = true;
\r
3384 var key, value, submitted = false, submit = options.submit;
\r
3386 var data = elements.inject({ }, function(result, element) {
\r
3387 if (!element.disabled && element.name) {
\r
3388 key = element.name; value = $(element).getValue();
\r
3389 if (value != null && (element.type != 'submit' || (!submitted &&
\r
3390 submit !== false && (!submit || key == submit) && (submitted = true)))) {
\r
3391 if (key in result) {
\r
3392 // a key is already present; construct an array of values
\r
3393 if (!Object.isArray(result[key])) result[key] = [result[key]];
\r
3394 result[key].push(value);
\r
3396 else result[key] = value;
\r
3402 return options.hash ? data : Object.toQueryString(data);
\r
3407 serialize: function(form, options) {
\r
3408 return Form.serializeElements(Form.getElements(form), options);
\r
3411 getElements: function(form) {
\r
3412 return $A($(form).getElementsByTagName('*')).inject([],
\r
3413 function(elements, child) {
\r
3414 if (Form.Element.Serializers[child.tagName.toLowerCase()])
\r
3415 elements.push(Element.extend(child));
\r
3421 getInputs: function(form, typeName, name) {
\r
3423 var inputs = form.getElementsByTagName('input');
\r
3425 if (!typeName && !name) return $A(inputs).map(Element.extend);
\r
3427 for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
\r
3428 var input = inputs[i];
\r
3429 if ((typeName && input.type != typeName) || (name && input.name != name))
\r
3431 matchingInputs.push(Element.extend(input));
\r
3434 return matchingInputs;
\r
3437 disable: function(form) {
\r
3439 Form.getElements(form).invoke('disable');
\r
3443 enable: function(form) {
\r
3445 Form.getElements(form).invoke('enable');
\r
3449 findFirstElement: function(form) {
\r
3450 var elements = $(form).getElements().findAll(function(element) {
\r
3451 return 'hidden' != element.type && !element.disabled;
\r
3453 var firstByIndex = elements.findAll(function(element) {
\r
3454 return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
\r
3455 }).sortBy(function(element) { return element.tabIndex }).first();
\r
3457 return firstByIndex ? firstByIndex : elements.find(function(element) {
\r
3458 return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
\r
3462 focusFirstElement: function(form) {
\r
3464 form.findFirstElement().activate();
\r
3468 request: function(form, options) {
\r
3469 form = $(form), options = Object.clone(options || { });
\r
3471 var params = options.parameters, action = form.readAttribute('action') || '';
\r
3472 if (action.blank()) action = window.location.href;
\r
3473 options.parameters = form.serialize(true);
\r
3476 if (Object.isString(params)) params = params.toQueryParams();
\r
3477 Object.extend(options.parameters, params);
\r
3480 if (form.hasAttribute('method') && !options.method)
\r
3481 options.method = form.method;
\r
3483 return new Ajax.Request(action, options);
\r
3487 /*--------------------------------------------------------------------------*/
\r
3490 focus: function(element) {
\r
3491 $(element).focus();
\r
3495 select: function(element) {
\r
3496 $(element).select();
\r
3501 Form.Element.Methods = {
\r
3502 serialize: function(element) {
\r
3503 element = $(element);
\r
3504 if (!element.disabled && element.name) {
\r
3505 var value = element.getValue();
\r
3506 if (value != undefined) {
\r
3508 pair[element.name] = value;
\r
3509 return Object.toQueryString(pair);
\r
3515 getValue: function(element) {
\r
3516 element = $(element);
\r
3517 var method = element.tagName.toLowerCase();
\r
3518 return Form.Element.Serializers[method](element);
\r
3521 setValue: function(element, value) {
\r
3522 element = $(element);
\r
3523 var method = element.tagName.toLowerCase();
\r
3524 Form.Element.Serializers[method](element, value);
\r
3528 clear: function(element) {
\r
3529 $(element).value = '';
\r
3533 present: function(element) {
\r
3534 return $(element).value != '';
\r
3537 activate: function(element) {
\r
3538 element = $(element);
\r
3541 if (element.select && (element.tagName.toLowerCase() != 'input' ||
\r
3542 !['button', 'reset', 'submit'].include(element.type)))
\r
3548 disable: function(element) {
\r
3549 element = $(element);
\r
3551 element.disabled = true;
\r
3555 enable: function(element) {
\r
3556 element = $(element);
\r
3557 element.disabled = false;
\r
3562 /*--------------------------------------------------------------------------*/
\r
3564 var Field = Form.Element;
\r
3565 var $F = Form.Element.Methods.getValue;
\r
3567 /*--------------------------------------------------------------------------*/
\r
3569 Form.Element.Serializers = {
\r
3570 input: function(element, value) {
\r
3571 switch (element.type.toLowerCase()) {
\r
3574 return Form.Element.Serializers.inputSelector(element, value);
\r
3576 return Form.Element.Serializers.textarea(element, value);
\r
3580 inputSelector: function(element, value) {
\r
3581 if (Object.isUndefined(value)) return element.checked ? element.value : null;
\r
3582 else element.checked = !!value;
\r
3585 textarea: function(element, value) {
\r
3586 if (Object.isUndefined(value)) return element.value;
\r
3587 else element.value = value;
\r
3590 select: function(element, index) {
\r
3591 if (Object.isUndefined(index))
\r
3592 return this[element.type == 'select-one' ?
\r
3593 'selectOne' : 'selectMany'](element);
\r
3595 var opt, value, single = !Object.isArray(index);
\r
3596 for (var i = 0, length = element.length; i < length; i++) {
\r
3597 opt = element.options[i];
\r
3598 value = this.optionValue(opt);
\r
3600 if (value == index) {
\r
3601 opt.selected = true;
\r
3605 else opt.selected = index.include(value);
\r
3610 selectOne: function(element) {
\r
3611 var index = element.selectedIndex;
\r
3612 return index >= 0 ? this.optionValue(element.options[index]) : null;
\r
3615 selectMany: function(element) {
\r
3616 var values, length = element.length;
\r
3617 if (!length) return null;
\r
3619 for (var i = 0, values = []; i < length; i++) {
\r
3620 var opt = element.options[i];
\r
3621 if (opt.selected) values.push(this.optionValue(opt));
\r
3626 optionValue: function(opt) {
\r
3627 // extend element because hasAttribute may not be native
\r
3628 return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
\r
3632 /*--------------------------------------------------------------------------*/
\r
3634 Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
\r
3635 initialize: function($super, element, frequency, callback) {
\r
3636 $super(callback, frequency);
\r
3637 this.element = $(element);
\r
3638 this.lastValue = this.getValue();
\r
3641 execute: function() {
\r
3642 var value = this.getValue();
\r
3643 if (Object.isString(this.lastValue) && Object.isString(value) ?
\r
3644 this.lastValue != value : String(this.lastValue) != String(value)) {
\r
3645 this.callback(this.element, value);
\r
3646 this.lastValue = value;
\r
3651 Form.Element.Observer = Class.create(Abstract.TimedObserver, {
\r
3652 getValue: function() {
\r
3653 return Form.Element.getValue(this.element);
\r
3657 Form.Observer = Class.create(Abstract.TimedObserver, {
\r
3658 getValue: function() {
\r
3659 return Form.serialize(this.element);
\r
3663 /*--------------------------------------------------------------------------*/
\r
3665 Abstract.EventObserver = Class.create({
\r
3666 initialize: function(element, callback) {
\r
3667 this.element = $(element);
\r
3668 this.callback = callback;
\r
3670 this.lastValue = this.getValue();
\r
3671 if (this.element.tagName.toLowerCase() == 'form')
\r
3672 this.registerFormCallbacks();
\r
3674 this.registerCallback(this.element);
\r
3677 onElementEvent: function() {
\r
3678 var value = this.getValue();
\r
3679 if (this.lastValue != value) {
\r
3680 this.callback(this.element, value);
\r
3681 this.lastValue = value;
\r
3685 registerFormCallbacks: function() {
\r
3686 Form.getElements(this.element).each(this.registerCallback, this);
\r
3689 registerCallback: function(element) {
\r
3690 if (element.type) {
\r
3691 switch (element.type.toLowerCase()) {
\r
3694 Event.observe(element, 'click', this.onElementEvent.bind(this));
\r
3697 Event.observe(element, 'change', this.onElementEvent.bind(this));
\r
3704 Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
\r
3705 getValue: function() {
\r
3706 return Form.Element.getValue(this.element);
\r
3710 Form.EventObserver = Class.create(Abstract.EventObserver, {
\r
3711 getValue: function() {
\r
3712 return Form.serialize(this.element);
\r
3715 if (!window.Event) var Event = { };
\r
3717 Object.extend(Event, {
\r
3735 relatedTarget: function(event) {
\r
3737 switch(event.type) {
\r
3738 case 'mouseover': element = event.fromElement; break;
\r
3739 case 'mouseout': element = event.toElement; break;
\r
3740 default: return null;
\r
3742 return Element.extend(element);
\r
3746 Event.Methods = (function() {
\r
3749 if (Prototype.Browser.IE) {
\r
3750 var buttonMap = { 0: 1, 1: 4, 2: 2 };
\r
3751 isButton = function(event, code) {
\r
3752 return event.button == buttonMap[code];
\r
3755 } else if (Prototype.Browser.WebKit) {
\r
3756 isButton = function(event, code) {
\r
3758 case 0: return event.which == 1 && !event.metaKey;
\r
3759 case 1: return event.which == 1 && event.metaKey;
\r
3760 default: return false;
\r
3765 isButton = function(event, code) {
\r
3766 return event.which ? (event.which === code + 1) : (event.button === code);
\r
3771 isLeftClick: function(event) { return isButton(event, 0) },
\r
3772 isMiddleClick: function(event) { return isButton(event, 1) },
\r
3773 isRightClick: function(event) { return isButton(event, 2) },
\r
3775 element: function(event) {
\r
3776 var node = Event.extend(event).target;
\r
3777 return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
\r
3780 findElement: function(event, expression) {
\r
3781 var element = Event.element(event);
\r
3782 if (!expression) return element;
\r
3783 var elements = [element].concat(element.ancestors());
\r
3784 return Selector.findElement(elements, expression, 0);
\r
3787 pointer: function(event) {
\r
3789 x: event.pageX || (event.clientX +
\r
3790 (document.documentElement.scrollLeft || document.body.scrollLeft)),
\r
3791 y: event.pageY || (event.clientY +
\r
3792 (document.documentElement.scrollTop || document.body.scrollTop))
\r
3796 pointerX: function(event) { return Event.pointer(event).x },
\r
3797 pointerY: function(event) { return Event.pointer(event).y },
\r
3799 stop: function(event) {
\r
3800 Event.extend(event);
\r
3801 event.preventDefault();
\r
3802 event.stopPropagation();
\r
3803 event.stopped = true;
\r
3808 Event.extend = (function() {
\r
3809 var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
\r
3810 m[name] = Event.Methods[name].methodize();
\r
3814 if (Prototype.Browser.IE) {
\r
3815 Object.extend(methods, {
\r
3816 stopPropagation: function() { this.cancelBubble = true },
\r
3817 preventDefault: function() { this.returnValue = false },
\r
3818 inspect: function() { return "[object Event]" }
\r
3821 return function(event) {
\r
3822 if (!event) return false;
\r
3823 if (event._extendedByPrototype) return event;
\r
3825 event._extendedByPrototype = Prototype.emptyFunction;
\r
3826 var pointer = Event.pointer(event);
\r
3827 Object.extend(event, {
\r
3828 target: event.srcElement,
\r
3829 relatedTarget: Event.relatedTarget(event),
\r
3833 return Object.extend(event, methods);
\r
3837 Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
\r
3838 Object.extend(Event.prototype, methods);
\r
3839 return Prototype.K;
\r
3843 Object.extend(Event, (function() {
\r
3844 var cache = Event.cache;
\r
3846 function getEventID(element) {
\r
3847 if (element._prototypeEventID) return element._prototypeEventID[0];
\r
3848 arguments.callee.id = arguments.callee.id || 1;
\r
3849 return element._prototypeEventID = [++arguments.callee.id];
\r
3852 function getDOMEventName(eventName) {
\r
3853 if (eventName && eventName.include(':')) return "dataavailable";
\r
3857 function getCacheForID(id) {
\r
3858 return cache[id] = cache[id] || { };
\r
3861 function getWrappersForEventName(id, eventName) {
\r
3862 var c = getCacheForID(id);
\r
3863 return c[eventName] = c[eventName] || [];
\r
3866 function createWrapper(element, eventName, handler) {
\r
3867 var id = getEventID(element);
\r
3868 var c = getWrappersForEventName(id, eventName);
\r
3869 if (c.pluck("handler").include(handler)) return false;
\r
3871 var wrapper = function(event) {
\r
3872 if (!Event || !Event.extend ||
\r
3873 (event.eventName && event.eventName != eventName))
\r
3876 Event.extend(event);
\r
3877 handler.call(element, event);
\r
3880 wrapper.handler = handler;
\r
3885 function findWrapper(id, eventName, handler) {
\r
3886 var c = getWrappersForEventName(id, eventName);
\r
3887 return c.find(function(wrapper) { return wrapper.handler == handler });
\r
3890 function destroyWrapper(id, eventName, handler) {
\r
3891 var c = getCacheForID(id);
\r
3892 if (!c[eventName]) return false;
\r
3893 c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
\r
3896 function destroyCache() {
\r
3897 for (var id in cache)
\r
3898 for (var eventName in cache[id])
\r
3899 cache[id][eventName] = null;
\r
3902 if (window.attachEvent) {
\r
3903 window.attachEvent("onunload", destroyCache);
\r
3907 observe: function(element, eventName, handler) {
\r
3908 element = $(element);
\r
3909 var name = getDOMEventName(eventName);
\r
3911 var wrapper = createWrapper(element, eventName, handler);
\r
3912 if (!wrapper) return element;
\r
3914 if (element.addEventListener) {
\r
3915 element.addEventListener(name, wrapper, false);
\r
3917 element.attachEvent("on" + name, wrapper);
\r
3923 stopObserving: function(element, eventName, handler) {
\r
3924 element = $(element);
\r
3925 var id = getEventID(element), name = getDOMEventName(eventName);
\r
3927 if (!handler && eventName) {
\r
3928 getWrappersForEventName(id, eventName).each(function(wrapper) {
\r
3929 element.stopObserving(eventName, wrapper.handler);
\r
3933 } else if (!eventName) {
\r
3934 Object.keys(getCacheForID(id)).each(function(eventName) {
\r
3935 element.stopObserving(eventName);
\r
3940 var wrapper = findWrapper(id, eventName, handler);
\r
3941 if (!wrapper) return element;
\r
3943 if (element.removeEventListener) {
\r
3944 element.removeEventListener(name, wrapper, false);
\r
3946 element.detachEvent("on" + name, wrapper);
\r
3949 destroyWrapper(id, eventName, handler);
\r
3954 fire: function(element, eventName, memo) {
\r
3955 element = $(element);
\r
3956 if (element == document && document.createEvent && !element.dispatchEvent)
\r
3957 element = document.documentElement;
\r
3960 if (document.createEvent) {
\r
3961 event = document.createEvent("HTMLEvents");
\r
3962 event.initEvent("dataavailable", true, true);
\r
3964 event = document.createEventObject();
\r
3965 event.eventType = "ondataavailable";
\r
3968 event.eventName = eventName;
\r
3969 event.memo = memo || { };
\r
3971 if (document.createEvent) {
\r
3972 element.dispatchEvent(event);
\r
3974 element.fireEvent(event.eventType, event);
\r
3977 return Event.extend(event);
\r
3982 Object.extend(Event, Event.Methods);
\r
3984 Element.addMethods({
\r
3986 observe: Event.observe,
\r
3987 stopObserving: Event.stopObserving
\r
3990 Object.extend(document, {
\r
3991 fire: Element.Methods.fire.methodize(),
\r
3992 observe: Element.Methods.observe.methodize(),
\r
3993 stopObserving: Element.Methods.stopObserving.methodize(),
\r
3998 /* Support for the DOMContentLoaded event is based on work by Dan Webb,
\r
3999 Matthias Miller, Dean Edwards and John Resig. */
\r
4003 function fireContentLoadedEvent() {
\r
4004 if (document.loaded) return;
\r
4005 if (timer) window.clearInterval(timer);
\r
4006 document.fire("dom:loaded");
\r
4007 document.loaded = true;
\r
4010 if (document.addEventListener) {
\r
4011 if (Prototype.Browser.WebKit) {
\r
4012 timer = window.setInterval(function() {
\r
4013 if (/loaded|complete/.test(document.readyState))
\r
4014 fireContentLoadedEvent();
\r
4017 Event.observe(window, "load", fireContentLoadedEvent);
\r
4020 document.addEventListener("DOMContentLoaded",
\r
4021 fireContentLoadedEvent, false);
\r
4025 document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
\r
4026 $("__onDOMContentLoaded").onreadystatechange = function() {
\r
4027 if (this.readyState == "complete") {
\r
4028 this.onreadystatechange = null;
\r
4029 fireContentLoadedEvent();
\r
4034 /*------------------------------- DEPRECATED -------------------------------*/
\r
4036 Hash.toQueryString = Object.toQueryString;
\r
4038 var Toggle = { display: Element.toggle };
\r
4040 Element.Methods.childOf = Element.Methods.descendantOf;
\r
4043 Before: function(element, content) {
\r
4044 return Element.insert(element, {before:content});
\r
4047 Top: function(element, content) {
\r
4048 return Element.insert(element, {top:content});
\r
4051 Bottom: function(element, content) {
\r
4052 return Element.insert(element, {bottom:content});
\r
4055 After: function(element, content) {
\r
4056 return Element.insert(element, {after:content});
\r
4060 var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
\r
4062 // This should be moved to script.aculo.us; notice the deprecated methods
\r
4063 // further below, that map to the newer Element methods.
\r
4065 // set to true if needed, warning: firefox performance problems
\r
4066 // NOT neeeded for page scrolling, only if draggable contained in
\r
4067 // scrollable elements
\r
4068 includeScrollOffsets: false,
\r
4070 // must be called before calling withinIncludingScrolloffset, every time the
\r
4071 // page is scrolled
\r
4072 prepare: function() {
\r
4073 this.deltaX = window.pageXOffset
\r
4074 || document.documentElement.scrollLeft
\r
4075 || document.body.scrollLeft
\r
4077 this.deltaY = window.pageYOffset
\r
4078 || document.documentElement.scrollTop
\r
4079 || document.body.scrollTop
\r
4083 // caches x/y coordinate pair to use with overlap
\r
4084 within: function(element, x, y) {
\r
4085 if (this.includeScrollOffsets)
\r
4086 return this.withinIncludingScrolloffsets(element, x, y);
\r
4089 this.offset = Element.cumulativeOffset(element);
\r
4091 return (y >= this.offset[1] &&
\r
4092 y < this.offset[1] + element.offsetHeight &&
\r
4093 x >= this.offset[0] &&
\r
4094 x < this.offset[0] + element.offsetWidth);
\r
4097 withinIncludingScrolloffsets: function(element, x, y) {
\r
4098 var offsetcache = Element.cumulativeScrollOffset(element);
\r
4100 this.xcomp = x + offsetcache[0] - this.deltaX;
\r
4101 this.ycomp = y + offsetcache[1] - this.deltaY;
\r
4102 this.offset = Element.cumulativeOffset(element);
\r
4104 return (this.ycomp >= this.offset[1] &&
\r
4105 this.ycomp < this.offset[1] + element.offsetHeight &&
\r
4106 this.xcomp >= this.offset[0] &&
\r
4107 this.xcomp < this.offset[0] + element.offsetWidth);
\r
4110 // within must be called directly before
\r
4111 overlap: function(mode, element) {
\r
4112 if (!mode) return 0;
\r
4113 if (mode == 'vertical')
\r
4114 return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
\r
4115 element.offsetHeight;
\r
4116 if (mode == 'horizontal')
\r
4117 return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
\r
4118 element.offsetWidth;
\r
4121 // Deprecation layer -- use newer Element methods now (1.5.2).
\r
4123 cumulativeOffset: Element.Methods.cumulativeOffset,
\r
4125 positionedOffset: Element.Methods.positionedOffset,
\r
4127 absolutize: function(element) {
\r
4128 Position.prepare();
\r
4129 return Element.absolutize(element);
\r
4132 relativize: function(element) {
\r
4133 Position.prepare();
\r
4134 return Element.relativize(element);
\r
4137 realOffset: Element.Methods.cumulativeScrollOffset,
\r
4139 offsetParent: Element.Methods.getOffsetParent,
\r
4141 page: Element.Methods.viewportOffset,
\r
4143 clone: function(source, target, options) {
\r
4144 options = options || { };
\r
4145 return Element.clonePosition(target, source, options);
\r
4149 /*--------------------------------------------------------------------------*/
\r
4151 if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
\r
4152 function iter(name) {
\r
4153 return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
\r
4156 instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
\r
4157 function(element, className) {
\r
4158 className = className.toString().strip();
\r
4159 var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
\r
4160 return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
\r
4161 } : function(element, className) {
\r
4162 className = className.toString().strip();
\r
4163 var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
\r
4164 if (!classNames && !className) return elements;
\r
4166 var nodes = $(element).getElementsByTagName('*');
\r
4167 className = ' ' + className + ' ';
\r
4169 for (var i = 0, child, cn; child = nodes[i]; i++) {
\r
4170 if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
\r
4171 (classNames && classNames.all(function(name) {
\r
4172 return !name.toString().blank() && cn.include(' ' + name + ' ');
\r
4174 elements.push(Element.extend(child));
\r
4179 return function(className, parentElement) {
\r
4180 return $(parentElement || document.body).getElementsByClassName(className);
\r
4182 }(Element.Methods);
\r
4184 /*--------------------------------------------------------------------------*/
\r
4186 Element.ClassNames = Class.create();
\r
4187 Element.ClassNames.prototype = {
\r
4188 initialize: function(element) {
\r
4189 this.element = $(element);
\r
4192 _each: function(iterator) {
\r
4193 this.element.className.split(/\s+/).select(function(name) {
\r
4194 return name.length > 0;
\r
4195 })._each(iterator);
\r
4198 set: function(className) {
\r
4199 this.element.className = className;
\r
4202 add: function(classNameToAdd) {
\r
4203 if (this.include(classNameToAdd)) return;
\r
4204 this.set($A(this).concat(classNameToAdd).join(' '));
\r
4207 remove: function(classNameToRemove) {
\r
4208 if (!this.include(classNameToRemove)) return;
\r
4209 this.set($A(this).without(classNameToRemove).join(' '));
\r
4212 toString: function() {
\r
4213 return $A(this).join(' ');
\r
4217 Object.extend(Element.ClassNames.prototype, Enumerable);
\r
4219 /*--------------------------------------------------------------------------*/
\r
4221 Element.addMethods();