| 提交 | 用户 | 时间 | ||
| 1ac2bc | 1 | /* Prototype JavaScript framework, version 1.5.1 |
| 懒 | 2 | * (c) 2005-2007 Sam Stephenson |
| 3 | * | |
| 4 | * Prototype is freely distributable under the terms of an MIT-style license. | |
| 5 | * For details, see the Prototype web site: http://www.prototypejs.org/ | |
| 6 | * | |
| 7 | /*--------------------------------------------------------------------------*/ | |
| 8 | ||
| 9 | var Prototype = { | |
| 10 | Version: '1.5.1', | |
| 11 | ||
| 12 | Browser: { | |
| 13 | IE: !!(window.attachEvent && !window.opera), | |
| 14 | Opera: !!window.opera, | |
| 15 | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, | |
| 16 | Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1 | |
| 17 | }, | |
| 18 | ||
| 19 | BrowserFeatures: { | |
| 20 | XPath: !!document.evaluate, | |
| 21 | ElementExtensions: !!window.HTMLElement, | |
| 22 | SpecificElementExtensions: | |
| 23 | (document.createElement('div').__proto__ !== | |
| 24 | document.createElement('form').__proto__) | |
| 25 | }, | |
| 26 | ||
| 27 | ScriptFragment: '<script[^>]*>([\u0001-\uFFFF]*?)</script>', | |
| 28 | JSONFilter: /^\/\*-secure-\s*(.*)\s*\*\/\s*$/, | |
| 29 | ||
| 30 | emptyFunction: function() { }, | |
| 31 | K: function(x) { return x } | |
| 32 | } | |
| 33 | ||
| 34 | var Class = { | |
| 35 | create: function() { | |
| 36 | return function() { | |
| 37 | this.initialize.apply(this, arguments); | |
| 38 | } | |
| 39 | } | |
| 40 | } | |
| 41 | ||
| 42 | var Abstract = new Object(); | |
| 43 | ||
| 44 | Object.extend = function(destination, source) { | |
| 45 | for (var property in source) { | |
| 46 | destination[property] = source[property]; | |
| 47 | } | |
| 48 | return destination; | |
| 49 | } | |
| 50 | ||
| 51 | Object.extend(Object, { | |
| 52 | inspect: function(object) { | |
| 53 | try { | |
| 54 | if (object === undefined) return 'undefined'; | |
| 55 | if (object === null) return 'null'; | |
| 56 | return object.inspect ? object.inspect() : object.toString(); | |
| 57 | } catch (e) { | |
| 58 | if (e instanceof RangeError) return '...'; | |
| 59 | throw e; | |
| 60 | } | |
| 61 | }, | |
| 62 | ||
| 63 | toJSON: function(object) { | |
| 64 | var type = typeof object; | |
| 65 | switch(type) { | |
| 66 | case 'undefined': | |
| 67 | case 'function': | |
| 68 | case 'unknown': return; | |
| 69 | case 'boolean': return object.toString(); | |
| 70 | } | |
| 71 | if (object === null) return 'null'; | |
| 72 | if (object.toJSON) return object.toJSON(); | |
| 73 | if (object.ownerDocument === document) return; | |
| 74 | var results = []; | |
| 75 | for (var property in object) { | |
| 76 | var value = Object.toJSON(object[property]); | |
| 77 | if (value !== undefined) | |
| 78 | results.push(property.toJSON() + ': ' + value); | |
| 79 | } | |
| 80 | return '{' + results.join(', ') + '}'; | |
| 81 | }, | |
| 82 | ||
| 83 | keys: function(object) { | |
| 84 | var keys = []; | |
| 85 | for (var property in object) | |
| 86 | keys.push(property); | |
| 87 | return keys; | |
| 88 | }, | |
| 89 | ||
| 90 | values: function(object) { | |
| 91 | var values = []; | |
| 92 | for (var property in object) | |
| 93 | values.push(object[property]); | |
| 94 | return values; | |
| 95 | }, | |
| 96 | ||
| 97 | clone: function(object) { | |
| 98 | return Object.extend({}, object); | |
| 99 | } | |
| 100 | }); | |
| 101 | ||
| 102 | Function.prototype.bind = function() { | |
| 103 | var __method = this, args = $A(arguments), object = args.shift(); | |
| 104 | return function() { | |
| 105 | return __method.apply(object, args.concat($A(arguments))); | |
| 106 | } | |
| 107 | } | |
| 108 | ||
| 109 | Function.prototype.bindAsEventListener = function(object) { | |
| 110 | var __method = this, args = $A(arguments), object = args.shift(); | |
| 111 | return function(event) { | |
| 112 | return __method.apply(object, [event || window.event].concat(args)); | |
| 113 | } | |
| 114 | } | |
| 115 | ||
| 116 | Object.extend(Number.prototype, { | |
| 117 | toColorPart: function() { | |
| 118 | return this.toPaddedString(2, 16); | |
| 119 | }, | |
| 120 | ||
| 121 | succ: function() { | |
| 122 | return this + 1; | |
| 123 | }, | |
| 124 | ||
| 125 | times: function(iterator) { | |
| 126 | $R(0, this, true).each(iterator); | |
| 127 | return this; | |
| 128 | }, | |
| 129 | ||
| 130 | toPaddedString: function(length, radix) { | |
| 131 | var string = this.toString(radix || 10); | |
| 132 | return '0'.times(length - string.length) + string; | |
| 133 | }, | |
| 134 | ||
| 135 | toJSON: function() { | |
| 136 | return isFinite(this) ? this.toString() : 'null'; | |
| 137 | } | |
| 138 | }); | |
| 139 | ||
| 140 | Date.prototype.toJSON = function() { | |
| 141 | return '"' + this.getFullYear() + '-' + | |
| 142 | (this.getMonth() + 1).toPaddedString(2) + '-' + | |
| 143 | this.getDate().toPaddedString(2) + 'T' + | |
| 144 | this.getHours().toPaddedString(2) + ':' + | |
| 145 | this.getMinutes().toPaddedString(2) + ':' + | |
| 146 | this.getSeconds().toPaddedString(2) + '"'; | |
| 147 | }; | |
| 148 | ||
| 149 | var Try = { | |
| 150 | these: function() { | |
| 151 | var returnValue; | |
| 152 | ||
| 153 | for (var i = 0, length = arguments.length; i < length; i++) { | |
| 154 | var lambda = arguments[i]; | |
| 155 | try { | |
| 156 | returnValue = lambda(); | |
| 157 | break; | |
| 158 | } catch (e) {} | |
| 159 | } | |
| 160 | ||
| 161 | return returnValue; | |
| 162 | } | |
| 163 | } | |
| 164 | ||
| 165 | /*--------------------------------------------------------------------------*/ | |
| 166 | ||
| 167 | var PeriodicalExecuter = Class.create(); | |
| 168 | PeriodicalExecuter.prototype = { | |
| 169 | initialize: function(callback, frequency) { | |
| 170 | this.callback = callback; | |
| 171 | this.frequency = frequency; | |
| 172 | this.currentlyExecuting = false; | |
| 173 | ||
| 174 | this.registerCallback(); | |
| 175 | }, | |
| 176 | ||
| 177 | registerCallback: function() { | |
| 178 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); | |
| 179 | }, | |
| 180 | ||
| 181 | stop: function() { | |
| 182 | if (!this.timer) return; | |
| 183 | clearInterval(this.timer); | |
| 184 | this.timer = null; | |
| 185 | }, | |
| 186 | ||
| 187 | onTimerEvent: function() { | |
| 188 | if (!this.currentlyExecuting) { | |
| 189 | try { | |
| 190 | this.currentlyExecuting = true; | |
| 191 | this.callback(this); | |
| 192 | } finally { | |
| 193 | this.currentlyExecuting = false; | |
| 194 | } | |
| 195 | } | |
| 196 | } | |
| 197 | } | |
| 198 | Object.extend(String, { | |
| 199 | interpret: function(value) { | |
| 200 | return value == null ? '' : String(value); | |
| 201 | }, | |
| 202 | specialChar: { | |
| 203 | '\b': '\\b', | |
| 204 | '\t': '\\t', | |
| 205 | '\n': '\\n', | |
| 206 | '\f': '\\f', | |
| 207 | '\r': '\\r', | |
| 208 | '\\': '\\\\' | |
| 209 | } | |
| 210 | }); | |
| 211 | ||
| 212 | Object.extend(String.prototype, { | |
| 213 | gsub: function(pattern, replacement) { | |
| 214 | var result = '', source = this, match; | |
| 215 | replacement = arguments.callee.prepareReplacement(replacement); | |
| 216 | ||
| 217 | while (source.length > 0) { | |
| 218 | if (match = source.match(pattern)) { | |
| 219 | result += source.slice(0, match.index); | |
| 220 | result += String.interpret(replacement(match)); | |
| 221 | source = source.slice(match.index + match[0].length); | |
| 222 | } else { | |
| 223 | result += source, source = ''; | |
| 224 | } | |
| 225 | } | |
| 226 | return result; | |
| 227 | }, | |
| 228 | ||
| 229 | sub: function(pattern, replacement, count) { | |
| 230 | replacement = this.gsub.prepareReplacement(replacement); | |
| 231 | count = count === undefined ? 1 : count; | |
| 232 | ||
| 233 | return this.gsub(pattern, function(match) { | |
| 234 | if (--count < 0) return match[0]; | |
| 235 | return replacement(match); | |
| 236 | }); | |
| 237 | }, | |
| 238 | ||
| 239 | scan: function(pattern, iterator) { | |
| 240 | this.gsub(pattern, iterator); | |
| 241 | return this; | |
| 242 | }, | |
| 243 | ||
| 244 | truncate: function(length, truncation) { | |
| 245 | length = length || 30; | |
| 246 | truncation = truncation === undefined ? '...' : truncation; | |
| 247 | return this.length > length ? | |
| 248 | this.slice(0, length - truncation.length) + truncation : this; | |
| 249 | }, | |
| 250 | ||
| 251 | strip: function() { | |
| 252 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); | |
| 253 | }, | |
| 254 | ||
| 255 | stripTags: function() { | |
| 256 | return this.replace(/<\/?[^>]+>/gi, ''); | |
| 257 | }, | |
| 258 | ||
| 259 | stripScripts: function() { | |
| 260 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); | |
| 261 | }, | |
| 262 | ||
| 263 | extractScripts: function() { | |
| 264 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); | |
| 265 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); | |
| 266 | return (this.match(matchAll) || []).map(function(scriptTag) { | |
| 267 | return (scriptTag.match(matchOne) || ['', ''])[1]; | |
| 268 | }); | |
| 269 | }, | |
| 270 | ||
| 271 | evalScripts: function() { | |
| 272 | return this.extractScripts().map(function(script) { return eval(script) }); | |
| 273 | }, | |
| 274 | ||
| 275 | escapeHTML: function() { | |
| 276 | var self = arguments.callee; | |
| 277 | self.text.data = this; | |
| 278 | return self.div.innerHTML; | |
| 279 | }, | |
| 280 | ||
| 281 | unescapeHTML: function() { | |
| 282 | var div = document.createElement('div'); | |
| 283 | div.innerHTML = this.stripTags(); | |
| 284 | return div.childNodes[0] ? (div.childNodes.length > 1 ? | |
| 285 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : | |
| 286 | div.childNodes[0].nodeValue) : ''; | |
| 287 | }, | |
| 288 | ||
| 289 | toQueryParams: function(separator) { | |
| 290 | var match = this.strip().match(/([^?#]*)(#.*)?$/); | |
| 291 | if (!match) return {}; | |
| 292 | ||
| 293 | return match[1].split(separator || '&').inject({}, function(hash, pair) { | |
| 294 | if ((pair = pair.split('='))[0]) { | |
| 295 | var key = decodeURIComponent(pair.shift()); | |
| 296 | var value = pair.length > 1 ? pair.join('=') : pair[0]; | |
| 297 | if (value != undefined) value = decodeURIComponent(value); | |
| 298 | ||
| 299 | if (key in hash) { | |
| 300 | if (hash[key].constructor != Array) hash[key] = [hash[key]]; | |
| 301 | hash[key].push(value); | |
| 302 | } | |
| 303 | else hash[key] = value; | |
| 304 | } | |
| 305 | return hash; | |
| 306 | }); | |
| 307 | }, | |
| 308 | ||
| 309 | toArray: function() { | |
| 310 | return this.split(''); | |
| 311 | }, | |
| 312 | ||
| 313 | succ: function() { | |
| 314 | return this.slice(0, this.length - 1) + | |
| 315 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); | |
| 316 | }, | |
| 317 | ||
| 318 | times: function(count) { | |
| 319 | var result = ''; | |
| 320 | for (var i = 0; i < count; i++) result += this; | |
| 321 | return result; | |
| 322 | }, | |
| 323 | ||
| 324 | camelize: function() { | |
| 325 | var parts = this.split('-'), len = parts.length; | |
| 326 | if (len == 1) return parts[0]; | |
| 327 | ||
| 328 | var camelized = this.charAt(0) == '-' | |
| 329 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) | |
| 330 | : parts[0]; | |
| 331 | ||
| 332 | for (var i = 1; i < len; i++) | |
| 333 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); | |
| 334 | ||
| 335 | return camelized; | |
| 336 | }, | |
| 337 | ||
| 338 | capitalize: function() { | |
| 339 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); | |
| 340 | }, | |
| 341 | ||
| 342 | underscore: function() { | |
| 343 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); | |
| 344 | }, | |
| 345 | ||
| 346 | dasherize: function() { | |
| 347 | return this.gsub(/_/,'-'); | |
| 348 | }, | |
| 349 | ||
| 350 | inspect: function(useDoubleQuotes) { | |
| 351 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { | |
| 352 | var character = String.specialChar[match[0]]; | |
| 353 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); | |
| 354 | }); | |
| 355 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; | |
| 356 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; | |
| 357 | }, | |
| 358 | ||
| 359 | toJSON: function() { | |
| 360 | return this.inspect(true); | |
| 361 | }, | |
| 362 | ||
| 363 | unfilterJSON: function(filter) { | |
| 364 | return this.sub(filter || Prototype.JSONFilter, '#{1}'); | |
| 365 | }, | |
| 366 | ||
| 367 | evalJSON: function(sanitize) { | |
| 368 | var json = this.unfilterJSON(); | |
| 369 | try { | |
| 370 | if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(json))) | |
| 371 | return eval('(' + json + ')'); | |
| 372 | } catch (e) { } | |
| 373 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); | |
| 374 | }, | |
| 375 | ||
| 376 | include: function(pattern) { | |
| 377 | return this.indexOf(pattern) > -1; | |
| 378 | }, | |
| 379 | ||
| 380 | startsWith: function(pattern) { | |
| 381 | return this.indexOf(pattern) === 0; | |
| 382 | }, | |
| 383 | ||
| 384 | endsWith: function(pattern) { | |
| 385 | var d = this.length - pattern.length; | |
| 386 | return d >= 0 && this.lastIndexOf(pattern) === d; | |
| 387 | }, | |
| 388 | ||
| 389 | empty: function() { | |
| 390 | return this == ''; | |
| 391 | }, | |
| 392 | ||
| 393 | blank: function() { | |
| 394 | return /^\s*$/.test(this); | |
| 395 | } | |
| 396 | }); | |
| 397 | ||
| 398 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { | |
| 399 | escapeHTML: function() { | |
| 400 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); | |
| 401 | }, | |
| 402 | unescapeHTML: function() { | |
| 403 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); | |
| 404 | } | |
| 405 | }); | |
| 406 | ||
| 407 | String.prototype.gsub.prepareReplacement = function(replacement) { | |
| 408 | if (typeof replacement == 'function') return replacement; | |
| 409 | var template = new Template(replacement); | |
| 410 | return function(match) { return template.evaluate(match) }; | |
| 411 | } | |
| 412 | ||
| 413 | String.prototype.parseQuery = String.prototype.toQueryParams; | |
| 414 | ||
| 415 | Object.extend(String.prototype.escapeHTML, { | |
| 416 | div: document.createElement('div'), | |
| 417 | text: document.createTextNode('') | |
| 418 | }); | |
| 419 | ||
| 420 | with (String.prototype.escapeHTML) div.appendChild(text); | |
| 421 | ||
| 422 | var Template = Class.create(); | |
| 423 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; | |
| 424 | Template.prototype = { | |
| 425 | initialize: function(template, pattern) { | |
| 426 | this.template = template.toString(); | |
| 427 | this.pattern = pattern || Template.Pattern; | |
| 428 | }, | |
| 429 | ||
| 430 | evaluate: function(object) { | |
| 431 | return this.template.gsub(this.pattern, function(match) { | |
| 432 | var before = match[1]; | |
| 433 | if (before == '\\') return match[2]; | |
| 434 | return before + String.interpret(object[match[3]]); | |
| 435 | }); | |
| 436 | } | |
| 437 | } | |
| 438 | ||
| 439 | var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead'); | |
| 440 | ||
| 441 | var Enumerable = { | |
| 442 | each: function(iterator) { | |
| 443 | var index = 0; | |
| 444 | try { | |
| 445 | this._each(function(value) { | |
| 446 | iterator(value, index++); | |
| 447 | }); | |
| 448 | } catch (e) { | |
| 449 | if (e != $break) | |
| 450 | throw e; | |
| 451 | } | |
| 452 | return this; | |
| 453 | }, | |
| 454 | ||
| 455 | eachSlice: function(number, iterator) { | |
| 456 | var index = -number, slices = [], array = this.toArray(); | |
| 457 | while ((index += number) < array.length) | |
| 458 | slices.push(array.slice(index, index+number)); | |
| 459 | return slices.map(iterator); | |
| 460 | }, | |
| 461 | ||
| 462 | all: function(iterator) { | |
| 463 | var result = true; | |
| 464 | this.each(function(value, index) { | |
| 465 | result = result && !!(iterator || Prototype.K)(value, index); | |
| 466 | if (!result) throw $break; | |
| 467 | }); | |
| 468 | return result; | |
| 469 | }, | |
| 470 | ||
| 471 | any: function(iterator) { | |
| 472 | var result = false; | |
| 473 | this.each(function(value, index) { | |
| 474 | if (result = !!(iterator || Prototype.K)(value, index)) | |
| 475 | throw $break; | |
| 476 | }); | |
| 477 | return result; | |
| 478 | }, | |
| 479 | ||
| 480 | collect: function(iterator) { | |
| 481 | var results = []; | |
| 482 | this.each(function(value, index) { | |
| 483 | results.push((iterator || Prototype.K)(value, index)); | |
| 484 | }); | |
| 485 | return results; | |
| 486 | }, | |
| 487 | ||
| 488 | detect: function(iterator) { | |
| 489 | var result; | |
| 490 | this.each(function(value, index) { | |
| 491 | if (iterator(value, index)) { | |
| 492 | result = value; | |
| 493 | throw $break; | |
| 494 | } | |
| 495 | }); | |
| 496 | return result; | |
| 497 | }, | |
| 498 | ||
| 499 | findAll: function(iterator) { | |
| 500 | var results = []; | |
| 501 | this.each(function(value, index) { | |
| 502 | if (iterator(value, index)) | |
| 503 | results.push(value); | |
| 504 | }); | |
| 505 | return results; | |
| 506 | }, | |
| 507 | ||
| 508 | grep: function(pattern, iterator) { | |
| 509 | var results = []; | |
| 510 | this.each(function(value, index) { | |
| 511 | var stringValue = value.toString(); | |
| 512 | if (stringValue.match(pattern)) | |
| 513 | results.push((iterator || Prototype.K)(value, index)); | |
| 514 | }) | |
| 515 | return results; | |
| 516 | }, | |
| 517 | ||
| 518 | include: function(object) { | |
| 519 | var found = false; | |
| 520 | this.each(function(value) { | |
| 521 | if (value == object) { | |
| 522 | found = true; | |
| 523 | throw $break; | |
| 524 | } | |
| 525 | }); | |
| 526 | return found; | |
| 527 | }, | |
| 528 | ||
| 529 | inGroupsOf: function(number, fillWith) { | |
| 530 | fillWith = fillWith === undefined ? null : fillWith; | |
| 531 | return this.eachSlice(number, function(slice) { | |
| 532 | while(slice.length < number) slice.push(fillWith); | |
| 533 | return slice; | |
| 534 | }); | |
| 535 | }, | |
| 536 | ||
| 537 | inject: function(memo, iterator) { | |
| 538 | this.each(function(value, index) { | |
| 539 | memo = iterator(memo, value, index); | |
| 540 | }); | |
| 541 | return memo; | |
| 542 | }, | |
| 543 | ||
| 544 | invoke: function(method) { | |
| 545 | var args = $A(arguments).slice(1); | |
| 546 | return this.map(function(value) { | |
| 547 | return value[method].apply(value, args); | |
| 548 | }); | |
| 549 | }, | |
| 550 | ||
| 551 | max: function(iterator) { | |
| 552 | var result; | |
| 553 | this.each(function(value, index) { | |
| 554 | value = (iterator || Prototype.K)(value, index); | |
| 555 | if (result == undefined || value >= result) | |
| 556 | result = value; | |
| 557 | }); | |
| 558 | return result; | |
| 559 | }, | |
| 560 | ||
| 561 | min: function(iterator) { | |
| 562 | var result; | |
| 563 | this.each(function(value, index) { | |
| 564 | value = (iterator || Prototype.K)(value, index); | |
| 565 | if (result == undefined || value < result) | |
| 566 | result = value; | |
| 567 | }); | |
| 568 | return result; | |
| 569 | }, | |
| 570 | ||
| 571 | partition: function(iterator) { | |
| 572 | var trues = [], falses = []; | |
| 573 | this.each(function(value, index) { | |
| 574 | ((iterator || Prototype.K)(value, index) ? | |
| 575 | trues : falses).push(value); | |
| 576 | }); | |
| 577 | return [trues, falses]; | |
| 578 | }, | |
| 579 | ||
| 580 | pluck: function(property) { | |
| 581 | var results = []; | |
| 582 | this.each(function(value, index) { | |
| 583 | results.push(value[property]); | |
| 584 | }); | |
| 585 | return results; | |
| 586 | }, | |
| 587 | ||
| 588 | reject: function(iterator) { | |
| 589 | var results = []; | |
| 590 | this.each(function(value, index) { | |
| 591 | if (!iterator(value, index)) | |
| 592 | results.push(value); | |
| 593 | }); | |
| 594 | return results; | |
| 595 | }, | |
| 596 | ||
| 597 | sortBy: function(iterator) { | |
| 598 | return this.map(function(value, index) { | |
| 599 | return {value: value, criteria: iterator(value, index)}; | |
| 600 | }).sort(function(left, right) { | |
| 601 | var a = left.criteria, b = right.criteria; | |
| 602 | return a < b ? -1 : a > b ? 1 : 0; | |
| 603 | }).pluck('value'); | |
| 604 | }, | |
| 605 | ||
| 606 | toArray: function() { | |
| 607 | return this.map(); | |
| 608 | }, | |
| 609 | ||
| 610 | zip: function() { | |
| 611 | var iterator = Prototype.K, args = $A(arguments); | |
| 612 | if (typeof args.last() == 'function') | |
| 613 | iterator = args.pop(); | |
| 614 | ||
| 615 | var collections = [this].concat(args).map($A); | |
| 616 | return this.map(function(value, index) { | |
| 617 | return iterator(collections.pluck(index)); | |
| 618 | }); | |
| 619 | }, | |
| 620 | ||
| 621 | size: function() { | |
| 622 | return this.toArray().length; | |
| 623 | }, | |
| 624 | ||
| 625 | inspect: function() { | |
| 626 | return '#<Enumerable:' + this.toArray().inspect() + '>'; | |
| 627 | } | |
| 628 | } | |
| 629 | ||
| 630 | Object.extend(Enumerable, { | |
| 631 | map: Enumerable.collect, | |
| 632 | find: Enumerable.detect, | |
| 633 | select: Enumerable.findAll, | |
| 634 | member: Enumerable.include, | |
| 635 | entries: Enumerable.toArray | |
| 636 | }); | |
| 637 | var $A = Array.from = function(iterable) { | |
| 638 | if (!iterable) return []; | |
| 639 | if (iterable.toArray) { | |
| 640 | return iterable.toArray(); | |
| 641 | } else { | |
| 642 | var results = []; | |
| 643 | for (var i = 0, length = iterable.length; i < length; i++) | |
| 644 | results.push(iterable[i]); | |
| 645 | return results; | |
| 646 | } | |
| 647 | } | |
| 648 | ||
| 649 | if (Prototype.Browser.WebKit) { | |
| 650 | $A = Array.from = function(iterable) { | |
| 651 | if (!iterable) return []; | |
| 652 | if (!(typeof iterable == 'function' && iterable == '[object NodeList]') && | |
| 653 | iterable.toArray) { | |
| 654 | return iterable.toArray(); | |
| 655 | } else { | |
| 656 | var results = []; | |
| 657 | for (var i = 0, length = iterable.length; i < length; i++) | |
| 658 | results.push(iterable[i]); | |
| 659 | return results; | |
| 660 | } | |
| 661 | } | |
| 662 | } | |
| 663 | ||
| 664 | Object.extend(Array.prototype, Enumerable); | |
| 665 | ||
| 666 | if (!Array.prototype._reverse) | |
| 667 | Array.prototype._reverse = Array.prototype.reverse; | |
| 668 | ||
| 669 | Object.extend(Array.prototype, { | |
| 670 | _each: function(iterator) { | |
| 671 | for (var i = 0, length = this.length; i < length; i++) | |
| 672 | iterator(this[i]); | |
| 673 | }, | |
| 674 | ||
| 675 | clear: function() { | |
| 676 | this.length = 0; | |
| 677 | return this; | |
| 678 | }, | |
| 679 | ||
| 680 | first: function() { | |
| 681 | return this[0]; | |
| 682 | }, | |
| 683 | ||
| 684 | last: function() { | |
| 685 | return this[this.length - 1]; | |
| 686 | }, | |
| 687 | ||
| 688 | compact: function() { | |
| 689 | return this.select(function(value) { | |
| 690 | return value != null; | |
| 691 | }); | |
| 692 | }, | |
| 693 | ||
| 694 | flatten: function() { | |
| 695 | return this.inject([], function(array, value) { | |
| 696 | return array.concat(value && value.constructor == Array ? | |
| 697 | value.flatten() : [value]); | |
| 698 | }); | |
| 699 | }, | |
| 700 | ||
| 701 | without: function() { | |
| 702 | var values = $A(arguments); | |
| 703 | return this.select(function(value) { | |
| 704 | return !values.include(value); | |
| 705 | }); | |
| 706 | }, | |
| 707 | ||
| 708 | indexOf: function(object) { | |
| 709 | for (var i = 0, length = this.length; i < length; i++) | |
| 710 | if (this[i] == object) return i; | |
| 711 | return -1; | |
| 712 | }, | |
| 713 | ||
| 714 | reverse: function(inline) { | |
| 715 | return (inline !== false ? this : this.toArray())._reverse(); | |
| 716 | }, | |
| 717 | ||
| 718 | reduce: function() { | |
| 719 | return this.length > 1 ? this : this[0]; | |
| 720 | }, | |
| 721 | ||
| 722 | uniq: function(sorted) { | |
| 723 | return this.inject([], function(array, value, index) { | |
| 724 | if (0 == index || (sorted ? array.last() != value : !array.include(value))) | |
| 725 | array.push(value); | |
| 726 | return array; | |
| 727 | }); | |
| 728 | }, | |
| 729 | ||
| 730 | clone: function() { | |
| 731 | return [].concat(this); | |
| 732 | }, | |
| 733 | ||
| 734 | size: function() { | |
| 735 | return this.length; | |
| 736 | }, | |
| 737 | ||
| 738 | inspect: function() { | |
| 739 | return '[' + this.map(Object.inspect).join(', ') + ']'; | |
| 740 | }, | |
| 741 | ||
| 742 | toJSON: function() { | |
| 743 | var results = []; | |
| 744 | this.each(function(object) { | |
| 745 | var value = Object.toJSON(object); | |
| 746 | if (value !== undefined) results.push(value); | |
| 747 | }); | |
| 748 | return '[' + results.join(', ') + ']'; | |
| 749 | } | |
| 750 | }); | |
| 751 | ||
| 752 | Array.prototype.toArray = Array.prototype.clone; | |
| 753 | ||
| 754 | function $w(string) { | |
| 755 | string = string.strip(); | |
| 756 | return string ? string.split(/\s+/) : []; | |
| 757 | } | |
| 758 | ||
| 759 | if (Prototype.Browser.Opera){ | |
| 760 | Array.prototype.concat = function() { | |
| 761 | var array = []; | |
| 762 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); | |
| 763 | for (var i = 0, length = arguments.length; i < length; i++) { | |
| 764 | if (arguments[i].constructor == Array) { | |
| 765 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) | |
| 766 | array.push(arguments[i][j]); | |
| 767 | } else { | |
| 768 | array.push(arguments[i]); | |
| 769 | } | |
| 770 | } | |
| 771 | return array; | |
| 772 | } | |
| 773 | } | |
| 774 | var Hash = function(object) { | |
| 775 | if (object instanceof Hash) this.merge(object); | |
| 776 | else Object.extend(this, object || {}); | |
| 777 | }; | |
| 778 | ||
| 779 | Object.extend(Hash, { | |
| 780 | toQueryString: function(obj) { | |
| 781 | var parts = []; | |
| 782 | parts.add = arguments.callee.addPair; | |
| 783 | ||
| 784 | this.prototype._each.call(obj, function(pair) { | |
| 785 | if (!pair.key) return; | |
| 786 | var value = pair.value; | |
| 787 | ||
| 788 | if (value && typeof value == 'object') { | |
| 789 | if (value.constructor == Array) value.each(function(value) { | |
| 790 | parts.add(pair.key, value); | |
| 791 | }); | |
| 792 | return; | |
| 793 | } | |
| 794 | parts.add(pair.key, value); | |
| 795 | }); | |
| 796 | ||
| 797 | return parts.join('&'); | |
| 798 | }, | |
| 799 | ||
| 800 | toJSON: function(object) { | |
| 801 | var results = []; | |
| 802 | this.prototype._each.call(object, function(pair) { | |
| 803 | var value = Object.toJSON(pair.value); | |
| 804 | if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value); | |
| 805 | }); | |
| 806 | return '{' + results.join(', ') + '}'; | |
| 807 | } | |
| 808 | }); | |
| 809 | ||
| 810 | Hash.toQueryString.addPair = function(key, value, prefix) { | |
| 811 | key = encodeURIComponent(key); | |
| 812 | if (value === undefined) this.push(key); | |
| 813 | else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value))); | |
| 814 | } | |
| 815 | ||
| 816 | Object.extend(Hash.prototype, Enumerable); | |
| 817 | Object.extend(Hash.prototype, { | |
| 818 | _each: function(iterator) { | |
| 819 | for (var key in this) { | |
| 820 | var value = this[key]; | |
| 821 | if (value && value == Hash.prototype[key]) continue; | |
| 822 | ||
| 823 | var pair = [key, value]; | |
| 824 | pair.key = key; | |
| 825 | pair.value = value; | |
| 826 | iterator(pair); | |
| 827 | } | |
| 828 | }, | |
| 829 | ||
| 830 | keys: function() { | |
| 831 | return this.pluck('key'); | |
| 832 | }, | |
| 833 | ||
| 834 | values: function() { | |
| 835 | return this.pluck('value'); | |
| 836 | }, | |
| 837 | ||
| 838 | merge: function(hash) { | |
| 839 | return $H(hash).inject(this, function(mergedHash, pair) { | |
| 840 | mergedHash[pair.key] = pair.value; | |
| 841 | return mergedHash; | |
| 842 | }); | |
| 843 | }, | |
| 844 | ||
| 845 | remove: function() { | |
| 846 | var result; | |
| 847 | for(var i = 0, length = arguments.length; i < length; i++) { | |
| 848 | var value = this[arguments[i]]; | |
| 849 | if (value !== undefined){ | |
| 850 | if (result === undefined) result = value; | |
| 851 | else { | |
| 852 | if (result.constructor != Array) result = [result]; | |
| 853 | result.push(value) | |
| 854 | } | |
| 855 | } | |
| 856 | delete this[arguments[i]]; | |
| 857 | } | |
| 858 | return result; | |
| 859 | }, | |
| 860 | ||
| 861 | toQueryString: function() { | |
| 862 | return Hash.toQueryString(this); | |
| 863 | }, | |
| 864 | ||
| 865 | inspect: function() { | |
| 866 | return '#<Hash:{' + this.map(function(pair) { | |
| 867 | return pair.map(Object.inspect).join(': '); | |
| 868 | }).join(', ') + '}>'; | |
| 869 | }, | |
| 870 | ||
| 871 | toJSON: function() { | |
| 872 | return Hash.toJSON(this); | |
| 873 | } | |
| 874 | }); | |
| 875 | ||
| 876 | function $H(object) { | |
| 877 | if (object instanceof Hash) return object; | |
| 878 | return new Hash(object); | |
| 879 | }; | |
| 880 | ||
| 881 | // Safari iterates over shadowed properties | |
| 882 | if (function() { | |
| 883 | var i = 0, Test = function(value) { this.key = value }; | |
| 884 | Test.prototype.key = 'foo'; | |
| 885 | for (var property in new Test('bar')) i++; | |
| 886 | return i > 1; | |
| 887 | }()) Hash.prototype._each = function(iterator) { | |
| 888 | var cache = []; | |
| 889 | for (var key in this) { | |
| 890 | var value = this[key]; | |
| 891 | if ((value && value == Hash.prototype[key]) || cache.include(key)) continue; | |
| 892 | cache.push(key); | |
| 893 | var pair = [key, value]; | |
| 894 | pair.key = key; | |
| 895 | pair.value = value; | |
| 896 | iterator(pair); | |
| 897 | } | |
| 898 | }; | |
| 899 | ObjectRange = Class.create(); | |
| 900 | Object.extend(ObjectRange.prototype, Enumerable); | |
| 901 | Object.extend(ObjectRange.prototype, { | |
| 902 | initialize: function(start, end, exclusive) { | |
| 903 | this.start = start; | |
| 904 | this.end = end; | |
| 905 | this.exclusive = exclusive; | |
| 906 | }, | |
| 907 | ||
| 908 | _each: function(iterator) { | |
| 909 | var value = this.start; | |
| 910 | while (this.include(value)) { | |
| 911 | iterator(value); | |
| 912 | value = value.succ(); | |
| 913 | } | |
| 914 | }, | |
| 915 | ||
| 916 | include: function(value) { | |
| 917 | if (value < this.start) | |
| 918 | return false; | |
| 919 | if (this.exclusive) | |
| 920 | return value < this.end; | |
| 921 | return value <= this.end; | |
| 922 | } | |
| 923 | }); | |
| 924 | ||
| 925 | var $R = function(start, end, exclusive) { | |
| 926 | return new ObjectRange(start, end, exclusive); | |
| 927 | } | |
| 928 | ||
| 929 | var Ajax = { | |
| 930 | getTransport: function() { | |
| 931 | return Try.these( | |
| 932 | function() {return new XMLHttpRequest()}, | |
| 933 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, | |
| 934 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} | |
| 935 | ) || false; | |
| 936 | }, | |
| 937 | ||
| 938 | activeRequestCount: 0 | |
| 939 | } | |
| 940 | ||
| 941 | Ajax.Responders = { | |
| 942 | responders: [], | |
| 943 | ||
| 944 | _each: function(iterator) { | |
| 945 | this.responders._each(iterator); | |
| 946 | }, | |
| 947 | ||
| 948 | register: function(responder) { | |
| 949 | if (!this.include(responder)) | |
| 950 | this.responders.push(responder); | |
| 951 | }, | |
| 952 | ||
| 953 | unregister: function(responder) { | |
| 954 | this.responders = this.responders.without(responder); | |
| 955 | }, | |
| 956 | ||
| 957 | dispatch: function(callback, request, transport, json) { | |
| 958 | this.each(function(responder) { | |
| 959 | if (typeof responder[callback] == 'function') { | |
| 960 | try { | |
| 961 | responder[callback].apply(responder, [request, transport, json]); | |
| 962 | } catch (e) {} | |
| 963 | } | |
| 964 | }); | |
| 965 | } | |
| 966 | }; | |
| 967 | ||
| 968 | Object.extend(Ajax.Responders, Enumerable); | |
| 969 | ||
| 970 | Ajax.Responders.register({ | |
| 971 | onCreate: function() { | |
| 972 | Ajax.activeRequestCount++; | |
| 973 | }, | |
| 974 | onComplete: function() { | |
| 975 | Ajax.activeRequestCount--; | |
| 976 | } | |
| 977 | }); | |
| 978 | ||
| 979 | Ajax.Base = function() {}; | |
| 980 | Ajax.Base.prototype = { | |
| 981 | setOptions: function(options) { | |
| 982 | this.options = { | |
| 983 | method: 'post', | |
| 984 | asynchronous: true, | |
| 985 | contentType: 'application/x-www-form-urlencoded', | |
| 986 | encoding: 'UTF-8', | |
| 987 | parameters: '' | |
| 988 | } | |
| 989 | Object.extend(this.options, options || {}); | |
| 990 | ||
| 991 | this.options.method = this.options.method.toLowerCase(); | |
| 992 | if (typeof this.options.parameters == 'string') | |
| 993 | this.options.parameters = this.options.parameters.toQueryParams(); | |
| 994 | } | |
| 995 | } | |
| 996 | ||
| 997 | Ajax.Request = Class.create(); | |
| 998 | Ajax.Request.Events = | |
| 999 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; | |
| 1000 | ||
| 1001 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { | |
| 1002 | _complete: false, | |
| 1003 | ||
| 1004 | initialize: function(url, options) { | |
| 1005 | this.transport = Ajax.getTransport(); | |
| 1006 | this.setOptions(options); | |
| 1007 | this.request(url); | |
| 1008 | }, | |
| 1009 | ||
| 1010 | request: function(url) { | |
| 1011 | this.url = url; | |
| 1012 | this.method = this.options.method; | |
| 1013 | var params = Object.clone(this.options.parameters); | |
| 1014 | ||
| 1015 | if (!['get', 'post'].include(this.method)) { | |
| 1016 | // simulate other verbs over post | |
| 1017 | params['_method'] = this.method; | |
| 1018 | this.method = 'post'; | |
| 1019 | } | |
| 1020 | ||
| 1021 | this.parameters = params; | |
| 1022 | ||
| 1023 | if (params = Hash.toQueryString(params)) { | |
| 1024 | // when GET, append parameters to URL | |
| 1025 | if (this.method == 'get' || this.options.postBody) | |
| 1026 | this.url += (this.url.include('?') ? '&' : '?') + params; | |
| 1027 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) | |
| 1028 | params += '&_='; | |
| 1029 | } | |
| 1030 | ||
| 1031 | try { | |
| 1032 | if (this.options.onCreate) this.options.onCreate(this.transport); | |
| 1033 | Ajax.Responders.dispatch('onCreate', this, this.transport); | |
| 1034 | ||
| 1035 | this.transport.open(this.method.toUpperCase(), this.url, | |
| 1036 | this.options.asynchronous); | |
| 1037 | ||
| 1038 | if (this.options.asynchronous) | |
| 1039 | setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); | |
| 1040 | ||
| 1041 | this.transport.onreadystatechange = this.onStateChange.bind(this); | |
| 1042 | this.setRequestHeaders(); | |
| 1043 | ||
| 1044 | this.body = this.method == 'post' ? (this.options.postBody || params) : null; | |
| 1045 | this.transport.send(this.body); | |
| 1046 | ||
| 1047 | /* Force Firefox to handle ready state 4 for synchronous requests */ | |
| 1048 | if (!this.options.asynchronous && this.transport.overrideMimeType) | |
| 1049 | this.onStateChange(); | |
| 1050 | ||
| 1051 | } | |
| 1052 | catch (e) { | |
| 1053 | this.dispatchException(e); | |
| 1054 | } | |
| 1055 | }, | |
| 1056 | ||
| 1057 | onStateChange: function() { | |
| 1058 | var readyState = this.transport.readyState; | |
| 1059 | if (readyState > 1 && !((readyState == 4) && this._complete)) | |
| 1060 | this.respondToReadyState(this.transport.readyState); | |
| 1061 | }, | |
| 1062 | ||
| 1063 | setRequestHeaders: function() { | |
| 1064 | var headers = { | |
| 1065 | 'X-Requested-With': 'XMLHttpRequest', | |
| 1066 | 'X-Prototype-Version': Prototype.Version, | |
| 1067 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' | |
| 1068 | }; | |
| 1069 | ||
| 1070 | if (this.method == 'post') { | |
| 1071 | headers['Content-type'] = this.options.contentType + | |
| 1072 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); | |
| 1073 | ||
| 1074 | /* Force "Connection: close" for older Mozilla browsers to work | |
| 1075 | * around a bug where XMLHttpRequest sends an incorrect | |
| 1076 | * Content-length header. See Mozilla Bugzilla #246651. | |
| 1077 | */ | |
| 1078 | if (this.transport.overrideMimeType && | |
| 1079 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) | |
| 1080 | headers['Connection'] = 'close'; | |
| 1081 | } | |
| 1082 | ||
| 1083 | // user-defined headers | |
| 1084 | if (typeof this.options.requestHeaders == 'object') { | |
| 1085 | var extras = this.options.requestHeaders; | |
| 1086 | ||
| 1087 | if (typeof extras.push == 'function') | |
| 1088 | for (var i = 0, length = extras.length; i < length; i += 2) | |
| 1089 | headers[extras[i]] = extras[i+1]; | |
| 1090 | else | |
| 1091 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); | |
| 1092 | } | |
| 1093 | ||
| 1094 | for (var name in headers) | |
| 1095 | this.transport.setRequestHeader(name, headers[name]); | |
| 1096 | }, | |
| 1097 | ||
| 1098 | success: function() { | |
| 1099 | return !this.transport.status | |
| 1100 | || (this.transport.status >= 200 && this.transport.status < 300); | |
| 1101 | }, | |
| 1102 | ||
| 1103 | respondToReadyState: function(readyState) { | |
| 1104 | var state = Ajax.Request.Events[readyState]; | |
| 1105 | var transport = this.transport, json = this.evalJSON(); | |
| 1106 | ||
| 1107 | if (state == 'Complete') { | |
| 1108 | try { | |
| 1109 | this._complete = true; | |
| 1110 | (this.options['on' + this.transport.status] | |
| 1111 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] | |
| 1112 | || Prototype.emptyFunction)(transport, json); | |
| 1113 | } catch (e) { | |
| 1114 | this.dispatchException(e); | |
| 1115 | } | |
| 1116 | ||
| 1117 | var contentType = this.getHeader('Content-type'); | |
| 1118 | if (contentType && contentType.strip(). | |
| 1119 | match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) | |
| 1120 | this.evalResponse(); | |
| 1121 | } | |
| 1122 | ||
| 1123 | try { | |
| 1124 | (this.options['on' + state] || Prototype.emptyFunction)(transport, json); | |
| 1125 | Ajax.Responders.dispatch('on' + state, this, transport, json); | |
| 1126 | } catch (e) { | |
| 1127 | this.dispatchException(e); | |
| 1128 | } | |
| 1129 | ||
| 1130 | if (state == 'Complete') { | |
| 1131 | // avoid memory leak in MSIE: clean up | |
| 1132 | this.transport.onreadystatechange = Prototype.emptyFunction; | |
| 1133 | } | |
| 1134 | }, | |
| 1135 | ||
| 1136 | getHeader: function(name) { | |
| 1137 | try { | |
| 1138 | return this.transport.getResponseHeader(name); | |
| 1139 | } catch (e) { return null } | |
| 1140 | }, | |
| 1141 | ||
| 1142 | evalJSON: function() { | |
| 1143 | try { | |
| 1144 | var json = this.getHeader('X-JSON'); | |
| 1145 | return json ? json.evalJSON() : null; | |
| 1146 | } catch (e) { return null } | |
| 1147 | }, | |
| 1148 | ||
| 1149 | evalResponse: function() { | |
| 1150 | try { | |
| 1151 | return eval((this.transport.responseText || '').unfilterJSON()); | |
| 1152 | } catch (e) { | |
| 1153 | this.dispatchException(e); | |
| 1154 | } | |
| 1155 | }, | |
| 1156 | ||
| 1157 | dispatchException: function(exception) { | |
| 1158 | (this.options.onException || Prototype.emptyFunction)(this, exception); | |
| 1159 | Ajax.Responders.dispatch('onException', this, exception); | |
| 1160 | } | |
| 1161 | }); | |
| 1162 | ||
| 1163 | Ajax.Updater = Class.create(); | |
| 1164 | ||
| 1165 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { | |
| 1166 | initialize: function(container, url, options) { | |
| 1167 | this.container = { | |
| 1168 | success: (container.success || container), | |
| 1169 | failure: (container.failure || (container.success ? null : container)) | |
| 1170 | } | |
| 1171 | ||
| 1172 | this.transport = Ajax.getTransport(); | |
| 1173 | this.setOptions(options); | |
| 1174 | ||
| 1175 | var onComplete = this.options.onComplete || Prototype.emptyFunction; | |
| 1176 | this.options.onComplete = (function(transport, param) { | |
| 1177 | this.updateContent(); | |
| 1178 | onComplete(transport, param); | |
| 1179 | }).bind(this); | |
| 1180 | ||
| 1181 | this.request(url); | |
| 1182 | }, | |
| 1183 | ||
| 1184 | updateContent: function() { | |
| 1185 | var receiver = this.container[this.success() ? 'success' : 'failure']; | |
| 1186 | var response = this.transport.responseText; | |
| 1187 | ||
| 1188 | if (!this.options.evalScripts) response = response.stripScripts(); | |
| 1189 | ||
| 1190 | if (receiver = $(receiver)) { | |
| 1191 | if (this.options.insertion) | |
| 1192 | new this.options.insertion(receiver, response); | |
| 1193 | else | |
| 1194 | receiver.update(response); | |
| 1195 | } | |
| 1196 | ||
| 1197 | if (this.success()) { | |
| 1198 | if (this.onComplete) | |
| 1199 | setTimeout(this.onComplete.bind(this), 10); | |
| 1200 | } | |
| 1201 | } | |
| 1202 | }); | |
| 1203 | ||
| 1204 | Ajax.PeriodicalUpdater = Class.create(); | |
| 1205 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { | |
| 1206 | initialize: function(container, url, options) { | |
| 1207 | this.setOptions(options); | |
| 1208 | this.onComplete = this.options.onComplete; | |
| 1209 | ||
| 1210 | this.frequency = (this.options.frequency || 2); | |
| 1211 | this.decay = (this.options.decay || 1); | |
| 1212 | ||
| 1213 | this.updater = {}; | |
| 1214 | this.container = container; | |
| 1215 | this.url = url; | |
| 1216 | ||
| 1217 | this.start(); | |
| 1218 | }, | |
| 1219 | ||
| 1220 | start: function() { | |
| 1221 | this.options.onComplete = this.updateComplete.bind(this); | |
| 1222 | this.onTimerEvent(); | |
| 1223 | }, | |
| 1224 | ||
| 1225 | stop: function() { | |
| 1226 | this.updater.options.onComplete = undefined; | |
| 1227 | clearTimeout(this.timer); | |
| 1228 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); | |
| 1229 | }, | |
| 1230 | ||
| 1231 | updateComplete: function(request) { | |
| 1232 | if (this.options.decay) { | |
| 1233 | this.decay = (request.responseText == this.lastText ? | |
| 1234 | this.decay * this.options.decay : 1); | |
| 1235 | ||
| 1236 | this.lastText = request.responseText; | |
| 1237 | } | |
| 1238 | this.timer = setTimeout(this.onTimerEvent.bind(this), | |
| 1239 | this.decay * this.frequency * 1000); | |
| 1240 | }, | |
| 1241 | ||
| 1242 | onTimerEvent: function() { | |
| 1243 | this.updater = new Ajax.Updater(this.container, this.url, this.options); | |
| 1244 | } | |
| 1245 | }); | |
| 1246 | function $(element) { | |
| 1247 | if (arguments.length > 1) { | |
| 1248 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) | |
| 1249 | elements.push($(arguments[i])); | |
| 1250 | return elements; | |
| 1251 | } | |
| 1252 | if (typeof element == 'string') | |
| 1253 | element = document.getElementById(element); | |
| 1254 | return Element.extend(element); | |
| 1255 | } | |
| 1256 | ||
| 1257 | if (Prototype.BrowserFeatures.XPath) { | |
| 1258 | document._getElementsByXPath = function(expression, parentElement) { | |
| 1259 | var results = []; | |
| 1260 | var query = document.evaluate(expression, $(parentElement) || document, | |
| 1261 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); | |
| 1262 | for (var i = 0, length = query.snapshotLength; i < length; i++) | |
| 1263 | results.push(query.snapshotItem(i)); | |
| 1264 | return results; | |
| 1265 | }; | |
| 1266 | ||
| 1267 | document.getElementsByClassName = function(className, parentElement) { | |
| 1268 | var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; | |
| 1269 | return document._getElementsByXPath(q, parentElement); | |
| 1270 | } | |
| 1271 | ||
| 1272 | } else document.getElementsByClassName = function(className, parentElement) { | |
| 1273 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); | |
| 1274 | var elements = [], child; | |
| 1275 | for (var i = 0, length = children.length; i < length; i++) { | |
| 1276 | child = children[i]; | |
| 1277 | if (Element.hasClassName(child, className)) | |
| 1278 | elements.push(Element.extend(child)); | |
| 1279 | } | |
| 1280 | return elements; | |
| 1281 | }; | |
| 1282 | ||
| 1283 | /*--------------------------------------------------------------------------*/ | |
| 1284 | ||
| 1285 | if (!window.Element) var Element = {}; | |
| 1286 | ||
| 1287 | Element.extend = function(element) { | |
| 1288 | var F = Prototype.BrowserFeatures; | |
| 1289 | if (!element || !element.tagName || element.nodeType == 3 || | |
| 1290 | element._extended || F.SpecificElementExtensions || element == window) | |
| 1291 | return element; | |
| 1292 | ||
| 1293 | var methods = {}, tagName = element.tagName, cache = Element.extend.cache, | |
| 1294 | T = Element.Methods.ByTag; | |
| 1295 | ||
| 1296 | // extend methods for all tags (Safari doesn't need this) | |
| 1297 | if (!F.ElementExtensions) { | |
| 1298 | Object.extend(methods, Element.Methods), | |
| 1299 | Object.extend(methods, Element.Methods.Simulated); | |
| 1300 | } | |
| 1301 | ||
| 1302 | // extend methods for specific tags | |
| 1303 | if (T[tagName]) Object.extend(methods, T[tagName]); | |
| 1304 | ||
| 1305 | for (var property in methods) { | |
| 1306 | var value = methods[property]; | |
| 1307 | if (typeof value == 'function' && !(property in element)) | |
| 1308 | element[property] = cache.findOrStore(value); | |
| 1309 | } | |
| 1310 | ||
| 1311 | element._extended = Prototype.emptyFunction; | |
| 1312 | return element; | |
| 1313 | }; | |
| 1314 | ||
| 1315 | Element.extend.cache = { | |
| 1316 | findOrStore: function(value) { | |
| 1317 | return this[value] = this[value] || function() { | |
| 1318 | return value.apply(null, [this].concat($A(arguments))); | |
| 1319 | } | |
| 1320 | } | |
| 1321 | }; | |
| 1322 | ||
| 1323 | Element.Methods = { | |
| 1324 | visible: function(element) { | |
| 1325 | return $(element).style.display != 'none'; | |
| 1326 | }, | |
| 1327 | ||
| 1328 | toggle: function(element) { | |
| 1329 | element = $(element); | |
| 1330 | Element[Element.visible(element) ? 'hide' : 'show'](element); | |
| 1331 | return element; | |
| 1332 | }, | |
| 1333 | ||
| 1334 | hide: function(element) { | |
| 1335 | $(element).style.display = 'none'; | |
| 1336 | return element; | |
| 1337 | }, | |
| 1338 | ||
| 1339 | show: function(element) { | |
| 1340 | $(element).style.display = ''; | |
| 1341 | return element; | |
| 1342 | }, | |
| 1343 | ||
| 1344 | remove: function(element) { | |
| 1345 | element = $(element); | |
| 1346 | element.parentNode.removeChild(element); | |
| 1347 | return element; | |
| 1348 | }, | |
| 1349 | ||
| 1350 | update: function(element, html) { | |
| 1351 | html = typeof html == 'undefined' ? '' : html.toString(); | |
| 1352 | $(element).innerHTML = html.stripScripts(); | |
| 1353 | setTimeout(function() {html.evalScripts()}, 10); | |
| 1354 | return element; | |
| 1355 | }, | |
| 1356 | ||
| 1357 | replace: function(element, html) { | |
| 1358 | element = $(element); | |
| 1359 | html = typeof html == 'undefined' ? '' : html.toString(); | |
| 1360 | if (element.outerHTML) { | |
| 1361 | element.outerHTML = html.stripScripts(); | |
| 1362 | } else { | |
| 1363 | var range = element.ownerDocument.createRange(); | |
| 1364 | range.selectNodeContents(element); | |
| 1365 | element.parentNode.replaceChild( | |
| 1366 | range.createContextualFragment(html.stripScripts()), element); | |
| 1367 | } | |
| 1368 | setTimeout(function() {html.evalScripts()}, 10); | |
| 1369 | return element; | |
| 1370 | }, | |
| 1371 | ||
| 1372 | inspect: function(element) { | |
| 1373 | element = $(element); | |
| 1374 | var result = '<' + element.tagName.toLowerCase(); | |
| 1375 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { | |
| 1376 | var property = pair.first(), attribute = pair.last(); | |
| 1377 | var value = (element[property] || '').toString(); | |
| 1378 | if (value) result += ' ' + attribute + '=' + value.inspect(true); | |
| 1379 | }); | |
| 1380 | return result + '>'; | |
| 1381 | }, | |
| 1382 | ||
| 1383 | recursivelyCollect: function(element, property) { | |
| 1384 | element = $(element); | |
| 1385 | var elements = []; | |
| 1386 | while (element = element[property]) | |
| 1387 | if (element.nodeType == 1) | |
| 1388 | elements.push(Element.extend(element)); | |
| 1389 | return elements; | |
| 1390 | }, | |
| 1391 | ||
| 1392 | ancestors: function(element) { | |
| 1393 | return $(element).recursivelyCollect('parentNode'); | |
| 1394 | }, | |
| 1395 | ||
| 1396 | descendants: function(element) { | |
| 1397 | return $A($(element).getElementsByTagName('*')).each(Element.extend); | |
| 1398 | }, | |
| 1399 | ||
| 1400 | firstDescendant: function(element) { | |
| 1401 | element = $(element).firstChild; | |
| 1402 | while (element && element.nodeType != 1) element = element.nextSibling; | |
| 1403 | return $(element); | |
| 1404 | }, | |
| 1405 | ||
| 1406 | immediateDescendants: function(element) { | |
| 1407 | if (!(element = $(element).firstChild)) return []; | |
| 1408 | while (element && element.nodeType != 1) element = element.nextSibling; | |
| 1409 | if (element) return [element].concat($(element).nextSiblings()); | |
| 1410 | return []; | |
| 1411 | }, | |
| 1412 | ||
| 1413 | previousSiblings: function(element) { | |
| 1414 | return $(element).recursivelyCollect('previousSibling'); | |
| 1415 | }, | |
| 1416 | ||
| 1417 | nextSiblings: function(element) { | |
| 1418 | return $(element).recursivelyCollect('nextSibling'); | |
| 1419 | }, | |
| 1420 | ||
| 1421 | siblings: function(element) { | |
| 1422 | element = $(element); | |
| 1423 | return element.previousSiblings().reverse().concat(element.nextSiblings()); | |
| 1424 | }, | |
| 1425 | ||
| 1426 | match: function(element, selector) { | |
| 1427 | if (typeof selector == 'string') | |
| 1428 | selector = new Selector(selector); | |
| 1429 | return selector.match($(element)); | |
| 1430 | }, | |
| 1431 | ||
| 1432 | up: function(element, expression, index) { | |
| 1433 | element = $(element); | |
| 1434 | if (arguments.length == 1) return $(element.parentNode); | |
| 1435 | var ancestors = element.ancestors(); | |
| 1436 | return expression ? Selector.findElement(ancestors, expression, index) : | |
| 1437 | ancestors[index || 0]; | |
| 1438 | }, | |
| 1439 | ||
| 1440 | down: function(element, expression, index) { | |
| 1441 | element = $(element); | |
| 1442 | if (arguments.length == 1) return element.firstDescendant(); | |
| 1443 | var descendants = element.descendants(); | |
| 1444 | return expression ? Selector.findElement(descendants, expression, index) : | |
| 1445 | descendants[index || 0]; | |
| 1446 | }, | |
| 1447 | ||
| 1448 | previous: function(element, expression, index) { | |
| 1449 | element = $(element); | |
| 1450 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); | |
| 1451 | var previousSiblings = element.previousSiblings(); | |
| 1452 | return expression ? Selector.findElement(previousSiblings, expression, index) : | |
| 1453 | previousSiblings[index || 0]; | |
| 1454 | }, | |
| 1455 | ||
| 1456 | next: function(element, expression, index) { | |
| 1457 | element = $(element); | |
| 1458 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); | |
| 1459 | var nextSiblings = element.nextSiblings(); | |
| 1460 | return expression ? Selector.findElement(nextSiblings, expression, index) : | |
| 1461 | nextSiblings[index || 0]; | |
| 1462 | }, | |
| 1463 | ||
| 1464 | getElementsBySelector: function() { | |
| 1465 | var args = $A(arguments), element = $(args.shift()); | |
| 1466 | return Selector.findChildElements(element, args); | |
| 1467 | }, | |
| 1468 | ||
| 1469 | getElementsByClassName: function(element, className) { | |
| 1470 | return document.getElementsByClassName(className, element); | |
| 1471 | }, | |
| 1472 | ||
| 1473 | readAttribute: function(element, name) { | |
| 1474 | element = $(element); | |
| 1475 | if (Prototype.Browser.IE) { | |
| 1476 | if (!element.attributes) return null; | |
| 1477 | var t = Element._attributeTranslations; | |
| 1478 | if (t.values[name]) return t.values[name](element, name); | |
| 1479 | if (t.names[name]) name = t.names[name]; | |
| 1480 | var attribute = element.attributes[name]; | |
| 1481 | return attribute ? attribute.nodeValue : null; | |
| 1482 | } | |
| 1483 | return element.getAttribute(name); | |
| 1484 | }, | |
| 1485 | ||
| 1486 | getHeight: function(element) { | |
| 1487 | return $(element).getDimensions().height; | |
| 1488 | }, | |
| 1489 | ||
| 1490 | getWidth: function(element) { | |
| 1491 | return $(element).getDimensions().width; | |
| 1492 | }, | |
| 1493 | ||
| 1494 | classNames: function(element) { | |
| 1495 | return new Element.ClassNames(element); | |
| 1496 | }, | |
| 1497 | ||
| 1498 | hasClassName: function(element, className) { | |
| 1499 | if (!(element = $(element))) return; | |
| 1500 | var elementClassName = element.className; | |
| 1501 | if (elementClassName.length == 0) return false; | |
| 1502 | if (elementClassName == className || | |
| 1503 | (typeof(elementClassName.match) === 'function' && elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))) | |
| 1504 | return true; | |
| 1505 | return false; | |
| 1506 | }, | |
| 1507 | ||
| 1508 | addClassName: function(element, className) { | |
| 1509 | if (!(element = $(element))) return; | |
| 1510 | Element.classNames(element).add(className); | |
| 1511 | return element; | |
| 1512 | }, | |
| 1513 | ||
| 1514 | removeClassName: function(element, className) { | |
| 1515 | if (!(element = $(element))) return; | |
| 1516 | Element.classNames(element).remove(className); | |
| 1517 | return element; | |
| 1518 | }, | |
| 1519 | ||
| 1520 | toggleClassName: function(element, className) { | |
| 1521 | if (!(element = $(element))) return; | |
| 1522 | Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); | |
| 1523 | return element; | |
| 1524 | }, | |
| 1525 | ||
| 1526 | observe: function() { | |
| 1527 | Event.observe.apply(Event, arguments); | |
| 1528 | return $A(arguments).first(); | |
| 1529 | }, | |
| 1530 | ||
| 1531 | stopObserving: function() { | |
| 1532 | Event.stopObserving.apply(Event, arguments); | |
| 1533 | return $A(arguments).first(); | |
| 1534 | }, | |
| 1535 | ||
| 1536 | // removes whitespace-only text node children | |
| 1537 | cleanWhitespace: function(element) { | |
| 1538 | element = $(element); | |
| 1539 | var node = element.firstChild; | |
| 1540 | while (node) { | |
| 1541 | var nextNode = node.nextSibling; | |
| 1542 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) | |
| 1543 | element.removeChild(node); | |
| 1544 | node = nextNode; | |
| 1545 | } | |
| 1546 | return element; | |
| 1547 | }, | |
| 1548 | ||
| 1549 | empty: function(element) { | |
| 1550 | return $(element).innerHTML.blank(); | |
| 1551 | }, | |
| 1552 | ||
| 1553 | descendantOf: function(element, ancestor) { | |
| 1554 | element = $(element), ancestor = $(ancestor); | |
| 1555 | while (element = element.parentNode) | |
| 1556 | if (element == ancestor) return true; | |
| 1557 | return false; | |
| 1558 | }, | |
| 1559 | ||
| 1560 | scrollTo: function(element) { | |
| 1561 | element = $(element); | |
| 1562 | var pos = Position.cumulativeOffset(element); | |
| 1563 | window.scrollTo(pos[0], pos[1]); | |
| 1564 | return element; | |
| 1565 | }, | |
| 1566 | ||
| 1567 | getStyle: function(element, style) { | |
| 1568 | element = $(element); | |
| 1569 | style = style == 'float' ? 'cssFloat' : style.camelize(); | |
| 1570 | var value = element.style[style]; | |
| 1571 | if (!value) { | |
| 1572 | var css = document.defaultView.getComputedStyle(element, null); | |
| 1573 | value = css ? css[style] : null; | |
| 1574 | } | |
| 1575 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; | |
| 1576 | return value == 'auto' ? null : value; | |
| 1577 | }, | |
| 1578 | ||
| 1579 | getOpacity: function(element) { | |
| 1580 | return $(element).getStyle('opacity'); | |
| 1581 | }, | |
| 1582 | ||
| 1583 | setStyle: function(element, styles, camelized) { | |
| 1584 | element = $(element); | |
| 1585 | var elementStyle = element.style; | |
| 1586 | ||
| 1587 | for (var property in styles) | |
| 1588 | if (property == 'opacity') element.setOpacity(styles[property]) | |
| 1589 | else | |
| 1590 | elementStyle[(property == 'float' || property == 'cssFloat') ? | |
| 1591 | (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : | |
| 1592 | (camelized ? property : property.camelize())] = styles[property]; | |
| 1593 | ||
| 1594 | return element; | |
| 1595 | }, | |
| 1596 | ||
| 1597 | setOpacity: function(element, value) { | |
| 1598 | element = $(element); | |
| 1599 | element.style.opacity = (value == 1 || value === '') ? '' : | |
| 1600 | (value < 0.00001) ? 0 : value; | |
| 1601 | return element; | |
| 1602 | }, | |
| 1603 | ||
| 1604 | getDimensions: function(element) { | |
| 1605 | element = $(element); | |
| 1606 | var display = $(element).getStyle('display'); | |
| 1607 | if (display != 'none' && display != null) // Safari bug | |
| 1608 | return {width: element.offsetWidth, height: element.offsetHeight}; | |
| 1609 | ||
| 1610 | // All *Width and *Height properties give 0 on elements with display none, | |
| 1611 | // so enable the element temporarily | |
| 1612 | var els = element.style; | |
| 1613 | var originalVisibility = els.visibility; | |
| 1614 | var originalPosition = els.position; | |
| 1615 | var originalDisplay = els.display; | |
| 1616 | els.visibility = 'hidden'; | |
| 1617 | els.position = 'absolute'; | |
| 1618 | els.display = 'block'; | |
| 1619 | var originalWidth = element.clientWidth; | |
| 1620 | var originalHeight = element.clientHeight; | |
| 1621 | els.display = originalDisplay; | |
| 1622 | els.position = originalPosition; | |
| 1623 | els.visibility = originalVisibility; | |
| 1624 | return {width: originalWidth, height: originalHeight}; | |
| 1625 | }, | |
| 1626 | ||
| 1627 | makePositioned: function(element) { | |
| 1628 | element = $(element); | |
| 1629 | var pos = Element.getStyle(element, 'position'); | |
| 1630 | if (pos == 'static' || !pos) { | |
| 1631 | element._madePositioned = true; | |
| 1632 | element.style.position = 'relative'; | |
| 1633 | // Opera returns the offset relative to the positioning context, when an | |
| 1634 | // element is position relative but top and left have not been defined | |
| 1635 | if (window.opera) { | |
| 1636 | element.style.top = 0; | |
| 1637 | element.style.left = 0; | |
| 1638 | } | |
| 1639 | } | |
| 1640 | return element; | |
| 1641 | }, | |
| 1642 | ||
| 1643 | undoPositioned: function(element) { | |
| 1644 | element = $(element); | |
| 1645 | if (element._madePositioned) { | |
| 1646 | element._madePositioned = undefined; | |
| 1647 | element.style.position = | |
| 1648 | element.style.top = | |
| 1649 | element.style.left = | |
| 1650 | element.style.bottom = | |
| 1651 | element.style.right = ''; | |
| 1652 | } | |
| 1653 | return element; | |
| 1654 | }, | |
| 1655 | ||
| 1656 | makeClipping: function(element) { | |
| 1657 | element = $(element); | |
| 1658 | if (element._overflow) return element; | |
| 1659 | element._overflow = element.style.overflow || 'auto'; | |
| 1660 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') | |
| 1661 | element.style.overflow = 'hidden'; | |
| 1662 | return element; | |
| 1663 | }, | |
| 1664 | ||
| 1665 | undoClipping: function(element) { | |
| 1666 | element = $(element); | |
| 1667 | if (!element._overflow) return element; | |
| 1668 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; | |
| 1669 | element._overflow = null; | |
| 1670 | return element; | |
| 1671 | } | |
| 1672 | }; | |
| 1673 | ||
| 1674 | Object.extend(Element.Methods, { | |
| 1675 | childOf: Element.Methods.descendantOf, | |
| 1676 | childElements: Element.Methods.immediateDescendants | |
| 1677 | }); | |
| 1678 | ||
| 1679 | if (Prototype.Browser.Opera) { | |
| 1680 | Element.Methods._getStyle = Element.Methods.getStyle; | |
| 1681 | Element.Methods.getStyle = function(element, style) { | |
| 1682 | switch(style) { | |
| 1683 | case 'left': | |
| 1684 | case 'top': | |
| 1685 | case 'right': | |
| 1686 | case 'bottom': | |
| 1687 | if (Element._getStyle(element, 'position') == 'static') return null; | |
| 1688 | default: return Element._getStyle(element, style); | |
| 1689 | } | |
| 1690 | }; | |
| 1691 | } | |
| 1692 | else if (Prototype.Browser.IE) { | |
| 1693 | Element.Methods.getStyle = function(element, style) { | |
| 1694 | element = $(element); | |
| 1695 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); | |
| 1696 | var value = element.style[style]; | |
| 1697 | if (!value && element.currentStyle) value = element.currentStyle[style]; | |
| 1698 | ||
| 1699 | if (style == 'opacity') { | |
| 1700 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) | |
| 1701 | if (value[1]) return parseFloat(value[1]) / 100; | |
| 1702 | return 1.0; | |
| 1703 | } | |
| 1704 | ||
| 1705 | if (value == 'auto') { | |
| 1706 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) | |
| 1707 | return element['offset'+style.capitalize()] + 'px'; | |
| 1708 | return null; | |
| 1709 | } | |
| 1710 | return value; | |
| 1711 | }; | |
| 1712 | ||
| 1713 | Element.Methods.setOpacity = function(element, value) { | |
| 1714 | element = $(element); | |
| 1715 | var filter = element.getStyle('filter'), style = element.style; | |
| 1716 | if (value == 1 || value === '') { | |
| 1717 | style.filter = filter.replace(/alpha\([^\)]*\)/gi,''); | |
| 1718 | return element; | |
| 1719 | } else if (value < 0.00001) value = 0; | |
| 1720 | style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') + | |
| 1721 | 'alpha(opacity=' + (value * 100) + ')'; | |
| 1722 | return element; | |
| 1723 | }; | |
| 1724 | ||
| 1725 | // IE is missing .innerHTML support for TABLE-related elements | |
| 1726 | Element.Methods.update = function(element, html) { | |
| 1727 | element = $(element); | |
| 1728 | html = typeof html == 'undefined' ? '' : html.toString(); | |
| 1729 | var tagName = element.tagName.toUpperCase(); | |
| 1730 | if (['THEAD','TBODY','TR','TD'].include(tagName)) { | |
| 1731 | var div = document.createElement('div'); | |
| 1732 | switch (tagName) { | |
| 1733 | case 'THEAD': | |
| 1734 | case 'TBODY': | |
| 1735 | div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; | |
| 1736 | depth = 2; | |
| 1737 | break; | |
| 1738 | case 'TR': | |
| 1739 | div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; | |
| 1740 | depth = 3; | |
| 1741 | break; | |
| 1742 | case 'TD': | |
| 1743 | div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; | |
| 1744 | depth = 4; | |
| 1745 | } | |
| 1746 | $A(element.childNodes).each(function(node) { element.removeChild(node) }); | |
| 1747 | depth.times(function() { div = div.firstChild }); | |
| 1748 | $A(div.childNodes).each(function(node) { element.appendChild(node) }); | |
| 1749 | } else { | |
| 1750 | element.innerHTML = html.stripScripts(); | |
| 1751 | } | |
| 1752 | setTimeout(function() { html.evalScripts() }, 10); | |
| 1753 | return element; | |
| 1754 | } | |
| 1755 | } | |
| 1756 | else if (Prototype.Browser.Gecko) { | |
| 1757 | Element.Methods.setOpacity = function(element, value) { | |
| 1758 | element = $(element); | |
| 1759 | element.style.opacity = (value == 1) ? 0.999999 : | |
| 1760 | (value === '') ? '' : (value < 0.00001) ? 0 : value; | |
| 1761 | return element; | |
| 1762 | }; | |
| 1763 | } | |
| 1764 | ||
| 1765 | Element._attributeTranslations = { | |
| 1766 | names: { | |
| 1767 | colspan: "colSpan", | |
| 1768 | rowspan: "rowSpan", | |
| 1769 | valign: "vAlign", | |
| 1770 | datetime: "dateTime", | |
| 1771 | accesskey: "accessKey", | |
| 1772 | tabindex: "tabIndex", | |
| 1773 | enctype: "encType", | |
| 1774 | maxlength: "maxLength", | |
| 1775 | readonly: "readOnly", | |
| 1776 | longdesc: "longDesc" | |
| 1777 | }, | |
| 1778 | values: { | |
| 1779 | _getAttr: function(element, attribute) { | |
| 1780 | return element.getAttribute(attribute, 2); | |
| 1781 | }, | |
| 1782 | _flag: function(element, attribute) { | |
| 1783 | return $(element).hasAttribute(attribute) ? attribute : null; | |
| 1784 | }, | |
| 1785 | style: function(element) { | |
| 1786 | return element.style.cssText.toLowerCase(); | |
| 1787 | }, | |
| 1788 | title: function(element) { | |
| 1789 | var node = element.getAttributeNode('title'); | |
| 1790 | return node.specified ? node.nodeValue : null; | |
| 1791 | } | |
| 1792 | } | |
| 1793 | }; | |
| 1794 | ||
| 1795 | (function() { | |
| 1796 | Object.extend(this, { | |
| 1797 | href: this._getAttr, | |
| 1798 | src: this._getAttr, | |
| 1799 | type: this._getAttr, | |
| 1800 | disabled: this._flag, | |
| 1801 | checked: this._flag, | |
| 1802 | readonly: this._flag, | |
| 1803 | multiple: this._flag | |
| 1804 | }); | |
| 1805 | }).call(Element._attributeTranslations.values); | |
| 1806 | ||
| 1807 | Element.Methods.Simulated = { | |
| 1808 | hasAttribute: function(element, attribute) { | |
| 1809 | var t = Element._attributeTranslations, node; | |
| 1810 | attribute = t.names[attribute] || attribute; | |
| 1811 | node = $(element).getAttributeNode(attribute); | |
| 1812 | return node && node.specified; | |
| 1813 | } | |
| 1814 | }; | |
| 1815 | ||
| 1816 | Element.Methods.ByTag = {}; | |
| 1817 | ||
| 1818 | Object.extend(Element, Element.Methods); | |
| 1819 | ||
| 1820 | if (!Prototype.BrowserFeatures.ElementExtensions && | |
| 1821 | document.createElement('div').__proto__) { | |
| 1822 | window.HTMLElement = {}; | |
| 1823 | window.HTMLElement.prototype = document.createElement('div').__proto__; | |
| 1824 | Prototype.BrowserFeatures.ElementExtensions = true; | |
| 1825 | } | |
| 1826 | ||
| 1827 | Element.hasAttribute = function(element, attribute) { | |
| 1828 | if (element.hasAttribute) return element.hasAttribute(attribute); | |
| 1829 | return Element.Methods.Simulated.hasAttribute(element, attribute); | |
| 1830 | }; | |
| 1831 | ||
| 1832 | Element.addMethods = function(methods) { | |
| 1833 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; | |
| 1834 | ||
| 1835 | if (!methods) { | |
| 1836 | Object.extend(Form, Form.Methods); | |
| 1837 | Object.extend(Form.Element, Form.Element.Methods); | |
| 1838 | Object.extend(Element.Methods.ByTag, { | |
| 1839 | "FORM": Object.clone(Form.Methods), | |
| 1840 | "INPUT": Object.clone(Form.Element.Methods), | |
| 1841 | "SELECT": Object.clone(Form.Element.Methods), | |
| 1842 | "TEXTAREA": Object.clone(Form.Element.Methods) | |
| 1843 | }); | |
| 1844 | } | |
| 1845 | ||
| 1846 | if (arguments.length == 2) { | |
| 1847 | var tagName = methods; | |
| 1848 | methods = arguments[1]; | |
| 1849 | } | |
| 1850 | ||
| 1851 | if (!tagName) Object.extend(Element.Methods, methods || {}); | |
| 1852 | else { | |
| 1853 | if (tagName.constructor == Array) tagName.each(extend); | |
| 1854 | else extend(tagName); | |
| 1855 | } | |
| 1856 | ||
| 1857 | function extend(tagName) { | |
| 1858 | tagName = tagName.toUpperCase(); | |
| 1859 | if (!Element.Methods.ByTag[tagName]) | |
| 1860 | Element.Methods.ByTag[tagName] = {}; | |
| 1861 | Object.extend(Element.Methods.ByTag[tagName], methods); | |
| 1862 | } | |
| 1863 | ||
| 1864 | function copy(methods, destination, onlyIfAbsent) { | |
| 1865 | onlyIfAbsent = onlyIfAbsent || false; | |
| 1866 | var cache = Element.extend.cache; | |
| 1867 | for (var property in methods) { | |
| 1868 | var value = methods[property]; | |
| 1869 | if (!onlyIfAbsent || !(property in destination)) | |
| 1870 | destination[property] = cache.findOrStore(value); | |
| 1871 | } | |
| 1872 | } | |
| 1873 | ||
| 1874 | function findDOMClass(tagName) { | |
| 1875 | var klass; | |
| 1876 | var trans = { | |
| 1877 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", | |
| 1878 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", | |
| 1879 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", | |
| 1880 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", | |
| 1881 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": | |
| 1882 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": | |
| 1883 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": | |
| 1884 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": | |
| 1885 | "FrameSet", "IFRAME": "IFrame" | |
| 1886 | }; | |
| 1887 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; | |
| 1888 | if (window[klass]) return window[klass]; | |
| 1889 | klass = 'HTML' + tagName + 'Element'; | |
| 1890 | if (window[klass]) return window[klass]; | |
| 1891 | klass = 'HTML' + tagName.capitalize() + 'Element'; | |
| 1892 | if (window[klass]) return window[klass]; | |
| 1893 | ||
| 1894 | window[klass] = {}; | |
| 1895 | window[klass].prototype = document.createElement(tagName).__proto__; | |
| 1896 | return window[klass]; | |
| 1897 | } | |
| 1898 | ||
| 1899 | if (F.ElementExtensions) { | |
| 1900 | copy(Element.Methods, HTMLElement.prototype); | |
| 1901 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); | |
| 1902 | } | |
| 1903 | ||
| 1904 | if (F.SpecificElementExtensions) { | |
| 1905 | for (var tag in Element.Methods.ByTag) { | |
| 1906 | var klass = findDOMClass(tag); | |
| 1907 | if (typeof klass == "undefined") continue; | |
| 1908 | copy(T[tag], klass.prototype); | |
| 1909 | } | |
| 1910 | } | |
| 1911 | ||
| 1912 | Object.extend(Element, Element.Methods); | |
| 1913 | delete Element.ByTag; | |
| 1914 | }; | |
| 1915 | ||
| 1916 | var Toggle = { display: Element.toggle }; | |
| 1917 | ||
| 1918 | /*--------------------------------------------------------------------------*/ | |
| 1919 | ||
| 1920 | Abstract.Insertion = function(adjacency) { | |
| 1921 | this.adjacency = adjacency; | |
| 1922 | } | |
| 1923 | ||
| 1924 | Abstract.Insertion.prototype = { | |
| 1925 | initialize: function(element, content) { | |
| 1926 | this.element = $(element); | |
| 1927 | this.content = content.stripScripts(); | |
| 1928 | ||
| 1929 | if (this.adjacency && this.element.insertAdjacentHTML) { | |
| 1930 | try { | |
| 1931 | this.element.insertAdjacentHTML(this.adjacency, this.content); | |
| 1932 | } catch (e) { | |
| 1933 | var tagName = this.element.tagName.toUpperCase(); | |
| 1934 | if (['TBODY', 'TR'].include(tagName)) { | |
| 1935 | this.insertContent(this.contentFromAnonymousTable()); | |
| 1936 | } else { | |
| 1937 | throw e; | |
| 1938 | } | |
| 1939 | } | |
| 1940 | } else { | |
| 1941 | this.range = this.element.ownerDocument.createRange(); | |
| 1942 | if (this.initializeRange) this.initializeRange(); | |
| 1943 | this.insertContent([this.range.createContextualFragment(this.content)]); | |
| 1944 | } | |
| 1945 | ||
| 1946 | setTimeout(function() {content.evalScripts()}, 10); | |
| 1947 | }, | |
| 1948 | ||
| 1949 | contentFromAnonymousTable: function() { | |
| 1950 | var div = document.createElement('div'); | |
| 1951 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; | |
| 1952 | return $A(div.childNodes[0].childNodes[0].childNodes); | |
| 1953 | } | |
| 1954 | } | |
| 1955 | ||
| 1956 | var Insertion = new Object(); | |
| 1957 | ||
| 1958 | Insertion.Before = Class.create(); | |
| 1959 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { | |
| 1960 | initializeRange: function() { | |
| 1961 | this.range.setStartBefore(this.element); | |
| 1962 | }, | |
| 1963 | ||
| 1964 | insertContent: function(fragments) { | |
| 1965 | fragments.each((function(fragment) { | |
| 1966 | this.element.parentNode.insertBefore(fragment, this.element); | |
| 1967 | }).bind(this)); | |
| 1968 | } | |
| 1969 | }); | |
| 1970 | ||
| 1971 | Insertion.Top = Class.create(); | |
| 1972 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { | |
| 1973 | initializeRange: function() { | |
| 1974 | this.range.selectNodeContents(this.element); | |
| 1975 | this.range.collapse(true); | |
| 1976 | }, | |
| 1977 | ||
| 1978 | insertContent: function(fragments) { | |
| 1979 | fragments.reverse(false).each((function(fragment) { | |
| 1980 | this.element.insertBefore(fragment, this.element.firstChild); | |
| 1981 | }).bind(this)); | |
| 1982 | } | |
| 1983 | }); | |
| 1984 | ||
| 1985 | Insertion.Bottom = Class.create(); | |
| 1986 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { | |
| 1987 | initializeRange: function() { | |
| 1988 | this.range.selectNodeContents(this.element); | |
| 1989 | this.range.collapse(this.element); | |
| 1990 | }, | |
| 1991 | ||
| 1992 | insertContent: function(fragments) { | |
| 1993 | fragments.each((function(fragment) { | |
| 1994 | this.element.appendChild(fragment); | |
| 1995 | }).bind(this)); | |
| 1996 | } | |
| 1997 | }); | |
| 1998 | ||
| 1999 | Insertion.After = Class.create(); | |
| 2000 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { | |
| 2001 | initializeRange: function() { | |
| 2002 | this.range.setStartAfter(this.element); | |
| 2003 | }, | |
| 2004 | ||
| 2005 | insertContent: function(fragments) { | |
| 2006 | fragments.each((function(fragment) { | |
| 2007 | this.element.parentNode.insertBefore(fragment, | |
| 2008 | this.element.nextSibling); | |
| 2009 | }).bind(this)); | |
| 2010 | } | |
| 2011 | }); | |
| 2012 | ||
| 2013 | /*--------------------------------------------------------------------------*/ | |
| 2014 | ||
| 2015 | Element.ClassNames = Class.create(); | |
| 2016 | Element.ClassNames.prototype = { | |
| 2017 | initialize: function(element) { | |
| 2018 | this.element = $(element); | |
| 2019 | }, | |
| 2020 | ||
| 2021 | _each: function(iterator) { | |
| 2022 | this.element.className.split(/\s+/).select(function(name) { | |
| 2023 | return name.length > 0; | |
| 2024 | })._each(iterator); | |
| 2025 | }, | |
| 2026 | ||
| 2027 | set: function(className) { | |
| 2028 | this.element.className = className; | |
| 2029 | }, | |
| 2030 | ||
| 2031 | add: function(classNameToAdd) { | |
| 2032 | if (this.include(classNameToAdd)) return; | |
| 2033 | this.set($A(this).concat(classNameToAdd).join(' ')); | |
| 2034 | }, | |
| 2035 | ||
| 2036 | remove: function(classNameToRemove) { | |
| 2037 | if (!this.include(classNameToRemove)) return; | |
| 2038 | this.set($A(this).without(classNameToRemove).join(' ')); | |
| 2039 | }, | |
| 2040 | ||
| 2041 | toString: function() { | |
| 2042 | return $A(this).join(' '); | |
| 2043 | } | |
| 2044 | }; | |
| 2045 | ||
| 2046 | Object.extend(Element.ClassNames.prototype, Enumerable); | |
| 2047 | /* Portions of the Selector class are derived from Jack Slocum�۪s DomQuery, | |
| 2048 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style | |
| 2049 | * license. Please see http://www.yui-ext.com/ for more information. */ | |
| 2050 | ||
| 2051 | var Selector = Class.create(); | |
| 2052 | ||
| 2053 | Selector.prototype = { | |
| 2054 | initialize: function(expression) { | |
| 2055 | this.expression = expression.strip(); | |
| 2056 | this.compileMatcher(); | |
| 2057 | }, | |
| 2058 | ||
| 2059 | compileMatcher: function() { | |
| 2060 | // Selectors with namespaced attributes can't use the XPath version | |
| 2061 | if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression)) | |
| 2062 | return this.compileXPathMatcher(); | |
| 2063 | ||
| 2064 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers, | |
| 2065 | c = Selector.criteria, le, p, m; | |
| 2066 | ||
| 2067 | if (Selector._cache[e]) { | |
| 2068 | this.matcher = Selector._cache[e]; return; | |
| 2069 | } | |
| 2070 | this.matcher = ["this.matcher = function(root) {", | |
| 2071 | "var r = root, h = Selector.handlers, c = false, n;"]; | |
| 2072 | ||
| 2073 | while (e && le != e && (/\S/).test(e)) { | |
| 2074 | le = e; | |
| 2075 | for (var i in ps) { | |
| 2076 | p = ps[i]; | |
| 2077 | if (m = e.match(p)) { | |
| 2078 | this.matcher.push(typeof c[i] == 'function' ? c[i](m) : | |
| 2079 | new Template(c[i]).evaluate(m)); | |
| 2080 | e = e.replace(m[0], ''); | |
| 2081 | break; | |
| 2082 | } | |
| 2083 | } | |
| 2084 | } | |
| 2085 | ||
| 2086 | this.matcher.push("return h.unique(n);\n}"); | |
| 2087 | eval(this.matcher.join('\n')); | |
| 2088 | Selector._cache[this.expression] = this.matcher; | |
| 2089 | }, | |
| 2090 | ||
| 2091 | compileXPathMatcher: function() { | |
| 2092 | var e = this.expression, ps = Selector.patterns, | |
| 2093 | x = Selector.xpath, le, m; | |
| 2094 | ||
| 2095 | if (Selector._cache[e]) { | |
| 2096 | this.xpath = Selector._cache[e]; return; | |
| 2097 | } | |
| 2098 | ||
| 2099 | this.matcher = ['.//*']; | |
| 2100 | while (e && le != e && (/\S/).test(e)) { | |
| 2101 | le = e; | |
| 2102 | for (var i in ps) { | |
| 2103 | if (m = e.match(ps[i])) { | |
| 2104 | this.matcher.push(typeof x[i] == 'function' ? x[i](m) : | |
| 2105 | new Template(x[i]).evaluate(m)); | |
| 2106 | e = e.replace(m[0], ''); | |
| 2107 | break; | |
| 2108 | } | |
| 2109 | } | |
| 2110 | } | |
| 2111 | ||
| 2112 | this.xpath = this.matcher.join(''); | |
| 2113 | Selector._cache[this.expression] = this.xpath; | |
| 2114 | }, | |
| 2115 | ||
| 2116 | findElements: function(root) { | |
| 2117 | root = root || document; | |
| 2118 | if (this.xpath) return document._getElementsByXPath(this.xpath, root); | |
| 2119 | return this.matcher(root); | |
| 2120 | }, | |
| 2121 | ||
| 2122 | match: function(element) { | |
| 2123 | return this.findElements(document).include(element); | |
| 2124 | }, | |
| 2125 | ||
| 2126 | toString: function() { | |
| 2127 | return this.expression; | |
| 2128 | }, | |
| 2129 | ||
| 2130 | inspect: function() { | |
| 2131 | return "#<Selector:" + this.expression.inspect() + ">"; | |
| 2132 | } | |
| 2133 | }; | |
| 2134 | ||
| 2135 | Object.extend(Selector, { | |
| 2136 | _cache: {}, | |
| 2137 | ||
| 2138 | xpath: { | |
| 2139 | descendant: "//*", | |
| 2140 | child: "/*", | |
| 2141 | adjacent: "/following-sibling::*[1]", | |
| 2142 | laterSibling: '/following-sibling::*', | |
| 2143 | tagName: function(m) { | |
| 2144 | if (m[1] == '*') return ''; | |
| 2145 | return "[local-name()='" + m[1].toLowerCase() + | |
| 2146 | "' or local-name()='" + m[1].toUpperCase() + "']"; | |
| 2147 | }, | |
| 2148 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", | |
| 2149 | id: "[@id='#{1}']", | |
| 2150 | attrPresence: "[@#{1}]", | |
| 2151 | attr: function(m) { | |
| 2152 | m[3] = m[5] || m[6]; | |
| 2153 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); | |
| 2154 | }, | |
| 2155 | pseudo: function(m) { | |
| 2156 | var h = Selector.xpath.pseudos[m[1]]; | |
| 2157 | if (!h) return ''; | |
| 2158 | if (typeof h === 'function') return h(m); | |
| 2159 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); | |
| 2160 | }, | |
| 2161 | operators: { | |
| 2162 | '=': "[@#{1}='#{3}']", | |
| 2163 | '!=': "[@#{1}!='#{3}']", | |
| 2164 | '^=': "[starts-with(@#{1}, '#{3}')]", | |
| 2165 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", | |
| 2166 | '*=': "[contains(@#{1}, '#{3}')]", | |
| 2167 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", | |
| 2168 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" | |
| 2169 | }, | |
| 2170 | pseudos: { | |
| 2171 | 'first-child': '[not(preceding-sibling::*)]', | |
| 2172 | 'last-child': '[not(following-sibling::*)]', | |
| 2173 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', | |
| 2174 | 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", | |
| 2175 | 'checked': "[@checked]", | |
| 2176 | 'disabled': "[@disabled]", | |
| 2177 | 'enabled': "[not(@disabled)]", | |
| 2178 | 'not': function(m) { | |
| 2179 | var e = m[6], p = Selector.patterns, | |
| 2180 | x = Selector.xpath, le, m, v; | |
| 2181 | ||
| 2182 | var exclusion = []; | |
| 2183 | while (e && le != e && (/\S/).test(e)) { | |
| 2184 | le = e; | |
| 2185 | for (var i in p) { | |
| 2186 | if (m = e.match(p[i])) { | |
| 2187 | v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m); | |
| 2188 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); | |
| 2189 | e = e.replace(m[0], ''); | |
| 2190 | break; | |
| 2191 | } | |
| 2192 | } | |
| 2193 | } | |
| 2194 | return "[not(" + exclusion.join(" and ") + ")]"; | |
| 2195 | }, | |
| 2196 | 'nth-child': function(m) { | |
| 2197 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); | |
| 2198 | }, | |
| 2199 | 'nth-last-child': function(m) { | |
| 2200 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); | |
| 2201 | }, | |
| 2202 | 'nth-of-type': function(m) { | |
| 2203 | return Selector.xpath.pseudos.nth("position() ", m); | |
| 2204 | }, | |
| 2205 | 'nth-last-of-type': function(m) { | |
| 2206 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); | |
| 2207 | }, | |
| 2208 | 'first-of-type': function(m) { | |
| 2209 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); | |
| 2210 | }, | |
| 2211 | 'last-of-type': function(m) { | |
| 2212 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); | |
| 2213 | }, | |
| 2214 | 'only-of-type': function(m) { | |
| 2215 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); | |
| 2216 | }, | |
| 2217 | nth: function(fragment, m) { | |
| 2218 | var mm, formula = m[6], predicate; | |
| 2219 | if (formula == 'even') formula = '2n+0'; | |
| 2220 | if (formula == 'odd') formula = '2n+1'; | |
| 2221 | if (mm = formula.match(/^(\d+)$/)) // digit only | |
| 2222 | return '[' + fragment + "= " + mm[1] + ']'; | |
| 2223 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b | |
| 2224 | if (mm[1] == "-") mm[1] = -1; | |
| 2225 | var a = mm[1] ? Number(mm[1]) : 1; | |
| 2226 | var b = mm[2] ? Number(mm[2]) : 0; | |
| 2227 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + | |
| 2228 | "((#{fragment} - #{b}) div #{a} >= 0)]"; | |
| 2229 | return new Template(predicate).evaluate({ | |
| 2230 | fragment: fragment, a: a, b: b }); | |
| 2231 | } | |
| 2232 | } | |
| 2233 | } | |
| 2234 | }, | |
| 2235 | ||
| 2236 | criteria: { | |
| 2237 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', | |
| 2238 | className: 'n = h.className(n, r, "#{1}", c); c = false;', | |
| 2239 | id: 'n = h.id(n, r, "#{1}", c); c = false;', | |
| 2240 | attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', | |
| 2241 | attr: function(m) { | |
| 2242 | m[3] = (m[5] || m[6]); | |
| 2243 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); | |
| 2244 | }, | |
| 2245 | pseudo: function(m) { | |
| 2246 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); | |
| 2247 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); | |
| 2248 | }, | |
| 2249 | descendant: 'c = "descendant";', | |
| 2250 | child: 'c = "child";', | |
| 2251 | adjacent: 'c = "adjacent";', | |
| 2252 | laterSibling: 'c = "laterSibling";' | |
| 2253 | }, | |
| 2254 | ||
| 2255 | patterns: { | |
| 2256 | // combinators must be listed first | |
| 2257 | // (and descendant needs to be last combinator) | |
| 2258 | laterSibling: /^\s*~\s*/, | |
| 2259 | child: /^\s*>\s*/, | |
| 2260 | adjacent: /^\s*\+\s*/, | |
| 2261 | descendant: /^\s/, | |
| 2262 | ||
| 2263 | // selectors follow | |
| 2264 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, | |
| 2265 | id: /^#([\w\-\*]+)(\b|$)/, | |
| 2266 | className: /^\.([\w\-\*]+)(\b|$)/, | |
| 2267 | pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/, | |
| 2268 | attrPresence: /^\[([\w]+)\]/, | |
| 2269 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/ | |
| 2270 | }, | |
| 2271 | ||
| 2272 | handlers: { | |
| 2273 | // UTILITY FUNCTIONS | |
| 2274 | // joins two collections | |
| 2275 | concat: function(a, b) { | |
| 2276 | for (var i = 0, node; node = b[i]; i++) | |
| 2277 | a.push(node); | |
| 2278 | return a; | |
| 2279 | }, | |
| 2280 | ||
| 2281 | // marks an array of nodes for counting | |
| 2282 | mark: function(nodes) { | |
| 2283 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2284 | node._counted = true; | |
| 2285 | return nodes; | |
| 2286 | }, | |
| 2287 | ||
| 2288 | unmark: function(nodes) { | |
| 2289 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2290 | node._counted = undefined; | |
| 2291 | return nodes; | |
| 2292 | }, | |
| 2293 | ||
| 2294 | // mark each child node with its position (for nth calls) | |
| 2295 | // "ofType" flag indicates whether we're indexing for nth-of-type | |
| 2296 | // rather than nth-child | |
| 2297 | index: function(parentNode, reverse, ofType) { | |
| 2298 | parentNode._counted = true; | |
| 2299 | if (reverse) { | |
| 2300 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { | |
| 2301 | node = nodes[i]; | |
| 2302 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; | |
| 2303 | } | |
| 2304 | } else { | |
| 2305 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) | |
| 2306 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; | |
| 2307 | } | |
| 2308 | }, | |
| 2309 | ||
| 2310 | // filters out duplicates and extends all nodes | |
| 2311 | unique: function(nodes) { | |
| 2312 | if (nodes.length == 0) return nodes; | |
| 2313 | var results = [], n; | |
| 2314 | for (var i = 0, l = nodes.length; i < l; i++) | |
| 2315 | if (!(n = nodes[i])._counted) { | |
| 2316 | n._counted = true; | |
| 2317 | results.push(Element.extend(n)); | |
| 2318 | } | |
| 2319 | return Selector.handlers.unmark(results); | |
| 2320 | }, | |
| 2321 | ||
| 2322 | // COMBINATOR FUNCTIONS | |
| 2323 | descendant: function(nodes) { | |
| 2324 | var h = Selector.handlers; | |
| 2325 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
| 2326 | h.concat(results, node.getElementsByTagName('*')); | |
| 2327 | return results; | |
| 2328 | }, | |
| 2329 | ||
| 2330 | child: function(nodes) { | |
| 2331 | var h = Selector.handlers; | |
| 2332 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
| 2333 | for (var j = 0, children = [], child; child = node.childNodes[j]; j++) | |
| 2334 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); | |
| 2335 | } | |
| 2336 | return results; | |
| 2337 | }, | |
| 2338 | ||
| 2339 | adjacent: function(nodes) { | |
| 2340 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
| 2341 | var next = this.nextElementSibling(node); | |
| 2342 | if (next) results.push(next); | |
| 2343 | } | |
| 2344 | return results; | |
| 2345 | }, | |
| 2346 | ||
| 2347 | laterSibling: function(nodes) { | |
| 2348 | var h = Selector.handlers; | |
| 2349 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
| 2350 | h.concat(results, Element.nextSiblings(node)); | |
| 2351 | return results; | |
| 2352 | }, | |
| 2353 | ||
| 2354 | nextElementSibling: function(node) { | |
| 2355 | while (node = node.nextSibling) | |
| 2356 | if (node.nodeType == 1) return node; | |
| 2357 | return null; | |
| 2358 | }, | |
| 2359 | ||
| 2360 | previousElementSibling: function(node) { | |
| 2361 | while (node = node.previousSibling) | |
| 2362 | if (node.nodeType == 1) return node; | |
| 2363 | return null; | |
| 2364 | }, | |
| 2365 | ||
| 2366 | // TOKEN FUNCTIONS | |
| 2367 | tagName: function(nodes, root, tagName, combinator) { | |
| 2368 | tagName = tagName.toUpperCase(); | |
| 2369 | var results = [], h = Selector.handlers; | |
| 2370 | if (nodes) { | |
| 2371 | if (combinator) { | |
| 2372 | // fastlane for ordinary descendant combinators | |
| 2373 | if (combinator == "descendant") { | |
| 2374 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2375 | h.concat(results, node.getElementsByTagName(tagName)); | |
| 2376 | return results; | |
| 2377 | } else nodes = this[combinator](nodes); | |
| 2378 | if (tagName == "*") return nodes; | |
| 2379 | } | |
| 2380 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2381 | if (node.tagName.toUpperCase() == tagName) results.push(node); | |
| 2382 | return results; | |
| 2383 | } else return root.getElementsByTagName(tagName); | |
| 2384 | }, | |
| 2385 | ||
| 2386 | id: function(nodes, root, id, combinator) { | |
| 2387 | var targetNode = $(id), h = Selector.handlers; | |
| 2388 | if (!nodes && root == document) return targetNode ? [targetNode] : []; | |
| 2389 | if (nodes) { | |
| 2390 | if (combinator) { | |
| 2391 | if (combinator == 'child') { | |
| 2392 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2393 | if (targetNode.parentNode == node) return [targetNode]; | |
| 2394 | } else if (combinator == 'descendant') { | |
| 2395 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2396 | if (Element.descendantOf(targetNode, node)) return [targetNode]; | |
| 2397 | } else if (combinator == 'adjacent') { | |
| 2398 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2399 | if (Selector.handlers.previousElementSibling(targetNode) == node) | |
| 2400 | return [targetNode]; | |
| 2401 | } else nodes = h[combinator](nodes); | |
| 2402 | } | |
| 2403 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2404 | if (node == targetNode) return [targetNode]; | |
| 2405 | return []; | |
| 2406 | } | |
| 2407 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; | |
| 2408 | }, | |
| 2409 | ||
| 2410 | className: function(nodes, root, className, combinator) { | |
| 2411 | if (nodes && combinator) nodes = this[combinator](nodes); | |
| 2412 | return Selector.handlers.byClassName(nodes, root, className); | |
| 2413 | }, | |
| 2414 | ||
| 2415 | byClassName: function(nodes, root, className) { | |
| 2416 | if (!nodes) nodes = Selector.handlers.descendant([root]); | |
| 2417 | var needle = ' ' + className + ' '; | |
| 2418 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { | |
| 2419 | nodeClassName = node.className; | |
| 2420 | if (nodeClassName.length == 0) continue; | |
| 2421 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) | |
| 2422 | results.push(node); | |
| 2423 | } | |
| 2424 | return results; | |
| 2425 | }, | |
| 2426 | ||
| 2427 | attrPresence: function(nodes, root, attr) { | |
| 2428 | var results = []; | |
| 2429 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2430 | if (Element.hasAttribute(node, attr)) results.push(node); | |
| 2431 | return results; | |
| 2432 | }, | |
| 2433 | ||
| 2434 | attr: function(nodes, root, attr, value, operator) { | |
| 2435 | if (!nodes) nodes = root.getElementsByTagName("*"); | |
| 2436 | var handler = Selector.operators[operator], results = []; | |
| 2437 | for (var i = 0, node; node = nodes[i]; i++) { | |
| 2438 | var nodeValue = Element.readAttribute(node, attr); | |
| 2439 | if (nodeValue === null) continue; | |
| 2440 | if (handler(nodeValue, value)) results.push(node); | |
| 2441 | } | |
| 2442 | return results; | |
| 2443 | }, | |
| 2444 | ||
| 2445 | pseudo: function(nodes, name, value, root, combinator) { | |
| 2446 | if (nodes && combinator) nodes = this[combinator](nodes); | |
| 2447 | if (!nodes) nodes = root.getElementsByTagName("*"); | |
| 2448 | return Selector.pseudos[name](nodes, value, root); | |
| 2449 | } | |
| 2450 | }, | |
| 2451 | ||
| 2452 | pseudos: { | |
| 2453 | 'first-child': function(nodes, value, root) { | |
| 2454 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
| 2455 | if (Selector.handlers.previousElementSibling(node)) continue; | |
| 2456 | results.push(node); | |
| 2457 | } | |
| 2458 | return results; | |
| 2459 | }, | |
| 2460 | 'last-child': function(nodes, value, root) { | |
| 2461 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
| 2462 | if (Selector.handlers.nextElementSibling(node)) continue; | |
| 2463 | results.push(node); | |
| 2464 | } | |
| 2465 | return results; | |
| 2466 | }, | |
| 2467 | 'only-child': function(nodes, value, root) { | |
| 2468 | var h = Selector.handlers; | |
| 2469 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
| 2470 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) | |
| 2471 | results.push(node); | |
| 2472 | return results; | |
| 2473 | }, | |
| 2474 | 'nth-child': function(nodes, formula, root) { | |
| 2475 | return Selector.pseudos.nth(nodes, formula, root); | |
| 2476 | }, | |
| 2477 | 'nth-last-child': function(nodes, formula, root) { | |
| 2478 | return Selector.pseudos.nth(nodes, formula, root, true); | |
| 2479 | }, | |
| 2480 | 'nth-of-type': function(nodes, formula, root) { | |
| 2481 | return Selector.pseudos.nth(nodes, formula, root, false, true); | |
| 2482 | }, | |
| 2483 | 'nth-last-of-type': function(nodes, formula, root) { | |
| 2484 | return Selector.pseudos.nth(nodes, formula, root, true, true); | |
| 2485 | }, | |
| 2486 | 'first-of-type': function(nodes, formula, root) { | |
| 2487 | return Selector.pseudos.nth(nodes, "1", root, false, true); | |
| 2488 | }, | |
| 2489 | 'last-of-type': function(nodes, formula, root) { | |
| 2490 | return Selector.pseudos.nth(nodes, "1", root, true, true); | |
| 2491 | }, | |
| 2492 | 'only-of-type': function(nodes, formula, root) { | |
| 2493 | var p = Selector.pseudos; | |
| 2494 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); | |
| 2495 | }, | |
| 2496 | ||
| 2497 | // handles the an+b logic | |
| 2498 | getIndices: function(a, b, total) { | |
| 2499 | if (a == 0) return b > 0 ? [b] : []; | |
| 2500 | return $R(1, total).inject([], function(memo, i) { | |
| 2501 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); | |
| 2502 | return memo; | |
| 2503 | }); | |
| 2504 | }, | |
| 2505 | ||
| 2506 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type | |
| 2507 | nth: function(nodes, formula, root, reverse, ofType) { | |
| 2508 | if (nodes.length == 0) return []; | |
| 2509 | if (formula == 'even') formula = '2n+0'; | |
| 2510 | if (formula == 'odd') formula = '2n+1'; | |
| 2511 | var h = Selector.handlers, results = [], indexed = [], m; | |
| 2512 | h.mark(nodes); | |
| 2513 | for (var i = 0, node; node = nodes[i]; i++) { | |
| 2514 | if (!node.parentNode._counted) { | |
| 2515 | h.index(node.parentNode, reverse, ofType); | |
| 2516 | indexed.push(node.parentNode); | |
| 2517 | } | |
| 2518 | } | |
| 2519 | if (formula.match(/^\d+$/)) { // just a number | |
| 2520 | formula = Number(formula); | |
| 2521 | for (var i = 0, node; node = nodes[i]; i++) | |
| 2522 | if (node.nodeIndex == formula) results.push(node); | |
| 2523 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b | |
| 2524 | if (m[1] == "-") m[1] = -1; | |
| 2525 | var a = m[1] ? Number(m[1]) : 1; | |
| 2526 | var b = m[2] ? Number(m[2]) : 0; | |
| 2527 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); | |
| 2528 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { | |
| 2529 | for (var j = 0; j < l; j++) | |
| 2530 | if (node.nodeIndex == indices[j]) results.push(node); | |
| 2531 | } | |
| 2532 | } | |
| 2533 | h.unmark(nodes); | |
| 2534 | h.unmark(indexed); | |
| 2535 | return results; | |
| 2536 | }, | |
| 2537 | ||
| 2538 | 'empty': function(nodes, value, root) { | |
| 2539 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
| 2540 | // IE treats comments as element nodes | |
| 2541 | if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; | |
| 2542 | results.push(node); | |
| 2543 | } | |
| 2544 | return results; | |
| 2545 | }, | |
| 2546 | ||
| 2547 | 'not': function(nodes, selector, root) { | |
| 2548 | var h = Selector.handlers, selectorType, m; | |
| 2549 | var exclusions = new Selector(selector).findElements(root); | |
| 2550 | h.mark(exclusions); | |
| 2551 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
| 2552 | if (!node._counted) results.push(node); | |
| 2553 | h.unmark(exclusions); | |
| 2554 | return results; | |
| 2555 | }, | |
| 2556 | ||
| 2557 | 'enabled': function(nodes, value, root) { | |
| 2558 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
| 2559 | if (!node.disabled) results.push(node); | |
| 2560 | return results; | |
| 2561 | }, | |
| 2562 | ||
| 2563 | 'disabled': function(nodes, value, root) { | |
| 2564 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
| 2565 | if (node.disabled) results.push(node); | |
| 2566 | return results; | |
| 2567 | }, | |
| 2568 | ||
| 2569 | 'checked': function(nodes, value, root) { | |
| 2570 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
| 2571 | if (node.checked) results.push(node); | |
| 2572 | return results; | |
| 2573 | } | |
| 2574 | }, | |
| 2575 | ||
| 2576 | operators: { | |
| 2577 | '=': function(nv, v) { return nv == v; }, | |
| 2578 | '!=': function(nv, v) { return nv != v; }, | |
| 2579 | '^=': function(nv, v) { return nv.startsWith(v); }, | |
| 2580 | '$=': function(nv, v) { return nv.endsWith(v); }, | |
| 2581 | '*=': function(nv, v) { return nv.include(v); }, | |
| 2582 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, | |
| 2583 | '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } | |
| 2584 | }, | |
| 2585 | ||
| 2586 | matchElements: function(elements, expression) { | |
| 2587 | var matches = new Selector(expression).findElements(), h = Selector.handlers; | |
| 2588 | h.mark(matches); | |
| 2589 | for (var i = 0, results = [], element; element = elements[i]; i++) | |
| 2590 | if (element._counted) results.push(element); | |
| 2591 | h.unmark(matches); | |
| 2592 | return results; | |
| 2593 | }, | |
| 2594 | ||
| 2595 | findElement: function(elements, expression, index) { | |
| 2596 | if (typeof expression == 'number') { | |
| 2597 | index = expression; expression = false; | |
| 2598 | } | |
| 2599 | return Selector.matchElements(elements, expression || '*')[index || 0]; | |
| 2600 | }, | |
| 2601 | ||
| 2602 | findChildElements: function(element, expressions) { | |
| 2603 | var exprs = expressions.join(','), expressions = []; | |
| 2604 | exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { | |
| 2605 | expressions.push(m[1].strip()); | |
| 2606 | }); | |
| 2607 | var results = [], h = Selector.handlers; | |
| 2608 | for (var i = 0, l = expressions.length, selector; i < l; i++) { | |
| 2609 | selector = new Selector(expressions[i].strip()); | |
| 2610 | h.concat(results, selector.findElements(element)); | |
| 2611 | } | |
| 2612 | return (l > 1) ? h.unique(results) : results; | |
| 2613 | } | |
| 2614 | }); | |
| 2615 | ||
| 2616 | function $$() { | |
| 2617 | return Selector.findChildElements(document, $A(arguments)); | |
| 2618 | } | |
| 2619 | var Form = { | |
| 2620 | reset: function(form) { | |
| 2621 | $(form).reset(); | |
| 2622 | return form; | |
| 2623 | }, | |
| 2624 | ||
| 2625 | serializeElements: function(elements, getHash) { | |
| 2626 | var data = elements.inject({}, function(result, element) { | |
| 2627 | if (!element.disabled && element.name) { | |
| 2628 | var key = element.name, value = $(element).getValue(); | |
| 2629 | if (value != null) { | |
| 2630 | if (key in result) { | |
| 2631 | if (result[key].constructor != Array) result[key] = [result[key]]; | |
| 2632 | result[key].push(value); | |
| 2633 | } | |
| 2634 | else result[key] = value; | |
| 2635 | } | |
| 2636 | } | |
| 2637 | return result; | |
| 2638 | }); | |
| 2639 | ||
| 2640 | return getHash ? data : Hash.toQueryString(data); | |
| 2641 | } | |
| 2642 | }; | |
| 2643 | ||
| 2644 | Form.Methods = { | |
| 2645 | serialize: function(form, getHash) { | |
| 2646 | return Form.serializeElements(Form.getElements(form), getHash); | |
| 2647 | }, | |
| 2648 | ||
| 2649 | getElements: function(form) { | |
| 2650 | return $A($(form).getElementsByTagName('*')).inject([], | |
| 2651 | function(elements, child) { | |
| 2652 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) | |
| 2653 | elements.push(Element.extend(child)); | |
| 2654 | return elements; | |
| 2655 | } | |
| 2656 | ); | |
| 2657 | }, | |
| 2658 | ||
| 2659 | getInputs: function(form, typeName, name) { | |
| 2660 | form = $(form); | |
| 2661 | var inputs = form.getElementsByTagName('input'); | |
| 2662 | ||
| 2663 | if (!typeName && !name) return $A(inputs).map(Element.extend); | |
| 2664 | ||
| 2665 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { | |
| 2666 | var input = inputs[i]; | |
| 2667 | if ((typeName && input.type != typeName) || (name && input.name != name)) | |
| 2668 | continue; | |
| 2669 | matchingInputs.push(Element.extend(input)); | |
| 2670 | } | |
| 2671 | ||
| 2672 | return matchingInputs; | |
| 2673 | }, | |
| 2674 | ||
| 2675 | disable: function(form) { | |
| 2676 | form = $(form); | |
| 2677 | Form.getElements(form).invoke('disable'); | |
| 2678 | return form; | |
| 2679 | }, | |
| 2680 | ||
| 2681 | enable: function(form) { | |
| 2682 | form = $(form); | |
| 2683 | Form.getElements(form).invoke('enable'); | |
| 2684 | return form; | |
| 2685 | }, | |
| 2686 | ||
| 2687 | findFirstElement: function(form) { | |
| 2688 | return $(form).getElements().find(function(element) { | |
| 2689 | return element.type != 'hidden' && !element.disabled && | |
| 2690 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); | |
| 2691 | }); | |
| 2692 | }, | |
| 2693 | ||
| 2694 | focusFirstElement: function(form) { | |
| 2695 | form = $(form); | |
| 2696 | form.findFirstElement().activate(); | |
| 2697 | return form; | |
| 2698 | }, | |
| 2699 | ||
| 2700 | request: function(form, options) { | |
| 2701 | form = $(form), options = Object.clone(options || {}); | |
| 2702 | ||
| 2703 | var params = options.parameters; | |
| 2704 | options.parameters = form.serialize(true); | |
| 2705 | ||
| 2706 | if (params) { | |
| 2707 | if (typeof params == 'string') params = params.toQueryParams(); | |
| 2708 | Object.extend(options.parameters, params); | |
| 2709 | } | |
| 2710 | ||
| 2711 | if (form.hasAttribute('method') && !options.method) | |
| 2712 | options.method = form.method; | |
| 2713 | ||
| 2714 | return new Ajax.Request(form.readAttribute('action'), options); | |
| 2715 | } | |
| 2716 | } | |
| 2717 | ||
| 2718 | /*--------------------------------------------------------------------------*/ | |
| 2719 | ||
| 2720 | Form.Element = { | |
| 2721 | focus: function(element) { | |
| 2722 | $(element).focus(); | |
| 2723 | return element; | |
| 2724 | }, | |
| 2725 | ||
| 2726 | select: function(element) { | |
| 2727 | $(element).select(); | |
| 2728 | return element; | |
| 2729 | } | |
| 2730 | } | |
| 2731 | ||
| 2732 | Form.Element.Methods = { | |
| 2733 | serialize: function(element) { | |
| 2734 | element = $(element); | |
| 2735 | if (!element.disabled && element.name) { | |
| 2736 | var value = element.getValue(); | |
| 2737 | if (value != undefined) { | |
| 2738 | var pair = {}; | |
| 2739 | pair[element.name] = value; | |
| 2740 | return Hash.toQueryString(pair); | |
| 2741 | } | |
| 2742 | } | |
| 2743 | return ''; | |
| 2744 | }, | |
| 2745 | ||
| 2746 | getValue: function(element) { | |
| 2747 | element = $(element); | |
| 2748 | var method = element.tagName.toLowerCase(); | |
| 2749 | return Form.Element.Serializers[method](element); | |
| 2750 | }, | |
| 2751 | ||
| 2752 | clear: function(element) { | |
| 2753 | $(element).value = ''; | |
| 2754 | return element; | |
| 2755 | }, | |
| 2756 | ||
| 2757 | present: function(element) { | |
| 2758 | return $(element).value != ''; | |
| 2759 | }, | |
| 2760 | ||
| 2761 | activate: function(element) { | |
| 2762 | element = $(element); | |
| 2763 | try { | |
| 2764 | element.focus(); | |
| 2765 | if (element.select && (element.tagName.toLowerCase() != 'input' || | |
| 2766 | !['button', 'reset', 'submit'].include(element.type))) | |
| 2767 | element.select(); | |
| 2768 | } catch (e) {} | |
| 2769 | return element; | |
| 2770 | }, | |
| 2771 | ||
| 2772 | disable: function(element) { | |
| 2773 | element = $(element); | |
| 2774 | element.blur(); | |
| 2775 | element.disabled = true; | |
| 2776 | return element; | |
| 2777 | }, | |
| 2778 | ||
| 2779 | enable: function(element) { | |
| 2780 | element = $(element); | |
| 2781 | element.disabled = false; | |
| 2782 | return element; | |
| 2783 | } | |
| 2784 | } | |
| 2785 | ||
| 2786 | /*--------------------------------------------------------------------------*/ | |
| 2787 | ||
| 2788 | var Field = Form.Element; | |
| 2789 | var $F = Form.Element.Methods.getValue; | |
| 2790 | ||
| 2791 | /*--------------------------------------------------------------------------*/ | |
| 2792 | ||
| 2793 | Form.Element.Serializers = { | |
| 2794 | input: function(element) { | |
| 2795 | switch (element.type.toLowerCase()) { | |
| 2796 | case 'checkbox': | |
| 2797 | case 'radio': | |
| 2798 | return Form.Element.Serializers.inputSelector(element); | |
| 2799 | default: | |
| 2800 | return Form.Element.Serializers.textarea(element); | |
| 2801 | } | |
| 2802 | }, | |
| 2803 | ||
| 2804 | inputSelector: function(element) { | |
| 2805 | return element.checked ? element.value : null; | |
| 2806 | }, | |
| 2807 | ||
| 2808 | textarea: function(element) { | |
| 2809 | return element.value; | |
| 2810 | }, | |
| 2811 | ||
| 2812 | select: function(element) { | |
| 2813 | return this[element.type == 'select-one' ? | |
| 2814 | 'selectOne' : 'selectMany'](element); | |
| 2815 | }, | |
| 2816 | ||
| 2817 | selectOne: function(element) { | |
| 2818 | var index = element.selectedIndex; | |
| 2819 | return index >= 0 ? this.optionValue(element.options[index]) : null; | |
| 2820 | }, | |
| 2821 | ||
| 2822 | selectMany: function(element) { | |
| 2823 | var values, length = element.length; | |
| 2824 | if (!length) return null; | |
| 2825 | ||
| 2826 | for (var i = 0, values = []; i < length; i++) { | |
| 2827 | var opt = element.options[i]; | |
| 2828 | if (opt.selected) values.push(this.optionValue(opt)); | |
| 2829 | } | |
| 2830 | return values; | |
| 2831 | }, | |
| 2832 | ||
| 2833 | optionValue: function(opt) { | |
| 2834 | // extend element because hasAttribute may not be native | |
| 2835 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; | |
| 2836 | } | |
| 2837 | } | |
| 2838 | ||
| 2839 | /*--------------------------------------------------------------------------*/ | |
| 2840 | ||
| 2841 | Abstract.TimedObserver = function() {} | |
| 2842 | Abstract.TimedObserver.prototype = { | |
| 2843 | initialize: function(element, frequency, callback) { | |
| 2844 | this.frequency = frequency; | |
| 2845 | this.element = $(element); | |
| 2846 | this.callback = callback; | |
| 2847 | ||
| 2848 | this.lastValue = this.getValue(); | |
| 2849 | this.registerCallback(); | |
| 2850 | }, | |
| 2851 | ||
| 2852 | registerCallback: function() { | |
| 2853 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); | |
| 2854 | }, | |
| 2855 | ||
| 2856 | onTimerEvent: function() { | |
| 2857 | var value = this.getValue(); | |
| 2858 | var changed = ('string' == typeof this.lastValue && 'string' == typeof value | |
| 2859 | ? this.lastValue != value : String(this.lastValue) != String(value)); | |
| 2860 | if (changed) { | |
| 2861 | this.callback(this.element, value); | |
| 2862 | this.lastValue = value; | |
| 2863 | } | |
| 2864 | } | |
| 2865 | } | |
| 2866 | ||
| 2867 | Form.Element.Observer = Class.create(); | |
| 2868 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { | |
| 2869 | getValue: function() { | |
| 2870 | return Form.Element.getValue(this.element); | |
| 2871 | } | |
| 2872 | }); | |
| 2873 | ||
| 2874 | Form.Observer = Class.create(); | |
| 2875 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { | |
| 2876 | getValue: function() { | |
| 2877 | return Form.serialize(this.element); | |
| 2878 | } | |
| 2879 | }); | |
| 2880 | ||
| 2881 | /*--------------------------------------------------------------------------*/ | |
| 2882 | ||
| 2883 | Abstract.EventObserver = function() {} | |
| 2884 | Abstract.EventObserver.prototype = { | |
| 2885 | initialize: function(element, callback) { | |
| 2886 | this.element = $(element); | |
| 2887 | this.callback = callback; | |
| 2888 | ||
| 2889 | this.lastValue = this.getValue(); | |
| 2890 | if (this.element.tagName.toLowerCase() == 'form') | |
| 2891 | this.registerFormCallbacks(); | |
| 2892 | else | |
| 2893 | this.registerCallback(this.element); | |
| 2894 | }, | |
| 2895 | ||
| 2896 | onElementEvent: function() { | |
| 2897 | var value = this.getValue(); | |
| 2898 | if (this.lastValue != value) { | |
| 2899 | this.callback(this.element, value); | |
| 2900 | this.lastValue = value; | |
| 2901 | } | |
| 2902 | }, | |
| 2903 | ||
| 2904 | registerFormCallbacks: function() { | |
| 2905 | Form.getElements(this.element).each(this.registerCallback.bind(this)); | |
| 2906 | }, | |
| 2907 | ||
| 2908 | registerCallback: function(element) { | |
| 2909 | if (element.type) { | |
| 2910 | switch (element.type.toLowerCase()) { | |
| 2911 | case 'checkbox': | |
| 2912 | case 'radio': | |
| 2913 | Event.observe(element, 'click', this.onElementEvent.bind(this)); | |
| 2914 | break; | |
| 2915 | default: | |
| 2916 | Event.observe(element, 'change', this.onElementEvent.bind(this)); | |
| 2917 | break; | |
| 2918 | } | |
| 2919 | } | |
| 2920 | } | |
| 2921 | } | |
| 2922 | ||
| 2923 | Form.Element.EventObserver = Class.create(); | |
| 2924 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { | |
| 2925 | getValue: function() { | |
| 2926 | return Form.Element.getValue(this.element); | |
| 2927 | } | |
| 2928 | }); | |
| 2929 | ||
| 2930 | Form.EventObserver = Class.create(); | |
| 2931 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { | |
| 2932 | getValue: function() { | |
| 2933 | return Form.serialize(this.element); | |
| 2934 | } | |
| 2935 | }); | |
| 2936 | if (!window.Event) { | |
| 2937 | var Event = new Object(); | |
| 2938 | } | |
| 2939 | ||
| 2940 | Object.extend(Event, { | |
| 2941 | KEY_BACKSPACE: 8, | |
| 2942 | KEY_TAB: 9, | |
| 2943 | KEY_RETURN: 13, | |
| 2944 | KEY_ESC: 27, | |
| 2945 | KEY_LEFT: 37, | |
| 2946 | KEY_UP: 38, | |
| 2947 | KEY_RIGHT: 39, | |
| 2948 | KEY_DOWN: 40, | |
| 2949 | KEY_DELETE: 46, | |
| 2950 | KEY_HOME: 36, | |
| 2951 | KEY_END: 35, | |
| 2952 | KEY_PAGEUP: 33, | |
| 2953 | KEY_PAGEDOWN: 34, | |
| 2954 | ||
| 2955 | element: function(event) { | |
| 2956 | return $(event.target || event.srcElement); | |
| 2957 | }, | |
| 2958 | ||
| 2959 | isLeftClick: function(event) { | |
| 2960 | return (((event.which) && (event.which == 1)) || | |
| 2961 | ((event.button) && (event.button == 1))); | |
| 2962 | }, | |
| 2963 | ||
| 2964 | pointerX: function(event) { | |
| 2965 | return event.pageX || (event.clientX + | |
| 2966 | (document.documentElement.scrollLeft || document.body.scrollLeft)); | |
| 2967 | }, | |
| 2968 | ||
| 2969 | pointerY: function(event) { | |
| 2970 | return event.pageY || (event.clientY + | |
| 2971 | (document.documentElement.scrollTop || document.body.scrollTop)); | |
| 2972 | }, | |
| 2973 | ||
| 2974 | stop: function(event) { | |
| 2975 | if (event.preventDefault) { | |
| 2976 | event.preventDefault(); | |
| 2977 | event.stopPropagation(); | |
| 2978 | } else { | |
| 2979 | event.returnValue = false; | |
| 2980 | event.cancelBubble = true; | |
| 2981 | } | |
| 2982 | }, | |
| 2983 | ||
| 2984 | // find the first node with the given tagName, starting from the | |
| 2985 | // node the event was triggered on; traverses the DOM upwards | |
| 2986 | findElement: function(event, tagName) { | |
| 2987 | var element = Event.element(event); | |
| 2988 | while (element.parentNode && (!element.tagName || | |
| 2989 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) | |
| 2990 | element = element.parentNode; | |
| 2991 | return element; | |
| 2992 | }, | |
| 2993 | ||
| 2994 | observers: false, | |
| 2995 | ||
| 2996 | _observeAndCache: function(element, name, observer, useCapture) { | |
| 2997 | if (!this.observers) this.observers = []; | |
| 2998 | if (element.addEventListener) { | |
| 2999 | this.observers.push([element, name, observer, useCapture]); | |
| 3000 | element.addEventListener(name, observer, useCapture); | |
| 3001 | } else if (element.attachEvent) { | |
| 3002 | this.observers.push([element, name, observer, useCapture]); | |
| 3003 | element.attachEvent('on' + name, observer); | |
| 3004 | } | |
| 3005 | }, | |
| 3006 | ||
| 3007 | unloadCache: function() { | |
| 3008 | if (!Event.observers) return; | |
| 3009 | for (var i = 0, length = Event.observers.length; i < length; i++) { | |
| 3010 | Event.stopObserving.apply(this, Event.observers[i]); | |
| 3011 | Event.observers[i][0] = null; | |
| 3012 | } | |
| 3013 | Event.observers = false; | |
| 3014 | }, | |
| 3015 | ||
| 3016 | observe: function(element, name, observer, useCapture) { | |
| 3017 | element = $(element); | |
| 3018 | useCapture = useCapture || false; | |
| 3019 | ||
| 3020 | if (name == 'keypress' && | |
| 3021 | (Prototype.Browser.WebKit || element.attachEvent)) | |
| 3022 | name = 'keydown'; | |
| 3023 | ||
| 3024 | Event._observeAndCache(element, name, observer, useCapture); | |
| 3025 | }, | |
| 3026 | ||
| 3027 | stopObserving: function(element, name, observer, useCapture) { | |
| 3028 | element = $(element); | |
| 3029 | useCapture = useCapture || false; | |
| 3030 | ||
| 3031 | if (name == 'keypress' && | |
| 3032 | (Prototype.Browser.WebKit || element.attachEvent)) | |
| 3033 | name = 'keydown'; | |
| 3034 | ||
| 3035 | if (element.removeEventListener) { | |
| 3036 | element.removeEventListener(name, observer, useCapture); | |
| 3037 | } else if (element.detachEvent) { | |
| 3038 | try { | |
| 3039 | element.detachEvent('on' + name, observer); | |
| 3040 | } catch (e) {} | |
| 3041 | } | |
| 3042 | } | |
| 3043 | }); | |
| 3044 | ||
| 3045 | /* prevent memory leaks in IE */ | |
| 3046 | if (Prototype.Browser.IE) | |
| 3047 | Event.observe(window, 'unload', Event.unloadCache, false); | |
| 3048 | var Position = { | |
| 3049 | // set to true if needed, warning: firefox performance problems | |
| 3050 | // NOT neeeded for page scrolling, only if draggable contained in | |
| 3051 | // scrollable elements | |
| 3052 | includeScrollOffsets: false, | |
| 3053 | ||
| 3054 | // must be called before calling withinIncludingScrolloffset, every time the | |
| 3055 | // page is scrolled | |
| 3056 | prepare: function() { | |
| 3057 | this.deltaX = window.pageXOffset | |
| 3058 | || document.documentElement.scrollLeft | |
| 3059 | || document.body.scrollLeft | |
| 3060 | || 0; | |
| 3061 | this.deltaY = window.pageYOffset | |
| 3062 | || document.documentElement.scrollTop | |
| 3063 | || document.body.scrollTop | |
| 3064 | || 0; | |
| 3065 | }, | |
| 3066 | ||
| 3067 | realOffset: function(element) { | |
| 3068 | var valueT = 0, valueL = 0; | |
| 3069 | do { | |
| 3070 | valueT += element.scrollTop || 0; | |
| 3071 | valueL += element.scrollLeft || 0; | |
| 3072 | element = element.parentNode; | |
| 3073 | } while (element); | |
| 3074 | return [valueL, valueT]; | |
| 3075 | }, | |
| 3076 | ||
| 3077 | cumulativeOffset: function(element) { | |
| 3078 | var valueT = 0, valueL = 0; | |
| 3079 | do { | |
| 3080 | valueT += element.offsetTop || 0; | |
| 3081 | valueL += element.offsetLeft || 0; | |
| 3082 | element = element.offsetParent; | |
| 3083 | } while (element); | |
| 3084 | return [valueL, valueT]; | |
| 3085 | }, | |
| 3086 | ||
| 3087 | positionedOffset: function(element) { | |
| 3088 | var valueT = 0, valueL = 0; | |
| 3089 | do { | |
| 3090 | valueT += element.offsetTop || 0; | |
| 3091 | valueL += element.offsetLeft || 0; | |
| 3092 | element = element.offsetParent; | |
| 3093 | if (element) { | |
| 3094 | if(element.tagName=='BODY') break; | |
| 3095 | var p = Element.getStyle(element, 'position'); | |
| 3096 | if (p == 'relative' || p == 'absolute') break; | |
| 3097 | } | |
| 3098 | } while (element); | |
| 3099 | return [valueL, valueT]; | |
| 3100 | }, | |
| 3101 | ||
| 3102 | offsetParent: function(element) { | |
| 3103 | if (element.offsetParent) return element.offsetParent; | |
| 3104 | if (element == document.body) return element; | |
| 3105 | ||
| 3106 | while ((element = element.parentNode) && element != document.body) | |
| 3107 | if (Element.getStyle(element, 'position') != 'static') | |
| 3108 | return element; | |
| 3109 | ||
| 3110 | return document.body; | |
| 3111 | }, | |
| 3112 | ||
| 3113 | // caches x/y coordinate pair to use with overlap | |
| 3114 | within: function(element, x, y) { | |
| 3115 | if (this.includeScrollOffsets) | |
| 3116 | return this.withinIncludingScrolloffsets(element, x, y); | |
| 3117 | this.xcomp = x; | |
| 3118 | this.ycomp = y; | |
| 3119 | this.offset = this.cumulativeOffset(element); | |
| 3120 | ||
| 3121 | return (y >= this.offset[1] && | |
| 3122 | y < this.offset[1] + element.offsetHeight && | |
| 3123 | x >= this.offset[0] && | |
| 3124 | x < this.offset[0] + element.offsetWidth); | |
| 3125 | }, | |
| 3126 | ||
| 3127 | withinIncludingScrolloffsets: function(element, x, y) { | |
| 3128 | var offsetcache = this.realOffset(element); | |
| 3129 | ||
| 3130 | this.xcomp = x + offsetcache[0] - this.deltaX; | |
| 3131 | this.ycomp = y + offsetcache[1] - this.deltaY; | |
| 3132 | this.offset = this.cumulativeOffset(element); | |
| 3133 | ||
| 3134 | return (this.ycomp >= this.offset[1] && | |
| 3135 | this.ycomp < this.offset[1] + element.offsetHeight && | |
| 3136 | this.xcomp >= this.offset[0] && | |
| 3137 | this.xcomp < this.offset[0] + element.offsetWidth); | |
| 3138 | }, | |
| 3139 | ||
| 3140 | // within must be called directly before | |
| 3141 | overlap: function(mode, element) { | |
| 3142 | if (!mode) return 0; | |
| 3143 | if (mode == 'vertical') | |
| 3144 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / | |
| 3145 | element.offsetHeight; | |
| 3146 | if (mode == 'horizontal') | |
| 3147 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / | |
| 3148 | element.offsetWidth; | |
| 3149 | }, | |
| 3150 | ||
| 3151 | page: function(forElement) { | |
| 3152 | var valueT = 0, valueL = 0; | |
| 3153 | ||
| 3154 | var element = forElement; | |
| 3155 | do { | |
| 3156 | valueT += element.offsetTop || 0; | |
| 3157 | valueL += element.offsetLeft || 0; | |
| 3158 | ||
| 3159 | // Safari fix | |
| 3160 | if (element.offsetParent == document.body) | |
| 3161 | if (Element.getStyle(element,'position')=='absolute') break; | |
| 3162 | ||
| 3163 | } while (element = element.offsetParent); | |
| 3164 | ||
| 3165 | element = forElement; | |
| 3166 | do { | |
| 3167 | if (!window.opera || element.tagName=='BODY') { | |
| 3168 | valueT -= element.scrollTop || 0; | |
| 3169 | valueL -= element.scrollLeft || 0; | |
| 3170 | } | |
| 3171 | } while (element = element.parentNode); | |
| 3172 | ||
| 3173 | return [valueL, valueT]; | |
| 3174 | }, | |
| 3175 | ||
| 3176 | clone: function(source, target) { | |
| 3177 | var options = Object.extend({ | |
| 3178 | setLeft: true, | |
| 3179 | setTop: true, | |
| 3180 | setWidth: true, | |
| 3181 | setHeight: true, | |
| 3182 | offsetTop: 0, | |
| 3183 | offsetLeft: 0 | |
| 3184 | }, arguments[2] || {}) | |
| 3185 | ||
| 3186 | // find page position of source | |
| 3187 | source = $(source); | |
| 3188 | var p = Position.page(source); | |
| 3189 | ||
| 3190 | // find coordinate system to use | |
| 3191 | target = $(target); | |
| 3192 | var delta = [0, 0]; | |
| 3193 | var parent = null; | |
| 3194 | // delta [0,0] will do fine with position: fixed elements, | |
| 3195 | // position:absolute needs offsetParent deltas | |
| 3196 | if (Element.getStyle(target,'position') == 'absolute') { | |
| 3197 | parent = Position.offsetParent(target); | |
| 3198 | delta = Position.page(parent); | |
| 3199 | } | |
| 3200 | ||
| 3201 | // correct by body offsets (fixes Safari) | |
| 3202 | if (parent == document.body) { | |
| 3203 | delta[0] -= document.body.offsetLeft; | |
| 3204 | delta[1] -= document.body.offsetTop; | |
| 3205 | } | |
| 3206 | ||
| 3207 | // set position | |
| 3208 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; | |
| 3209 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; | |
| 3210 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; | |
| 3211 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; | |
| 3212 | }, | |
| 3213 | ||
| 3214 | absolutize: function(element) { | |
| 3215 | element = $(element); | |
| 3216 | if (element.style.position == 'absolute') return; | |
| 3217 | Position.prepare(); | |
| 3218 | ||
| 3219 | var offsets = Position.positionedOffset(element); | |
| 3220 | var top = offsets[1]; | |
| 3221 | var left = offsets[0]; | |
| 3222 | var width = element.clientWidth; | |
| 3223 | var height = element.clientHeight; | |
| 3224 | ||
| 3225 | element._originalLeft = left - parseFloat(element.style.left || 0); | |
| 3226 | element._originalTop = top - parseFloat(element.style.top || 0); | |
| 3227 | element._originalWidth = element.style.width; | |
| 3228 | element._originalHeight = element.style.height; | |
| 3229 | ||
| 3230 | element.style.position = 'absolute'; | |
| 3231 | element.style.top = top + 'px'; | |
| 3232 | element.style.left = left + 'px'; | |
| 3233 | element.style.width = width + 'px'; | |
| 3234 | element.style.height = height + 'px'; | |
| 3235 | }, | |
| 3236 | ||
| 3237 | relativize: function(element) { | |
| 3238 | element = $(element); | |
| 3239 | if (element.style.position == 'relative') return; | |
| 3240 | Position.prepare(); | |
| 3241 | ||
| 3242 | element.style.position = 'relative'; | |
| 3243 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); | |
| 3244 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); | |
| 3245 | ||
| 3246 | element.style.top = top + 'px'; | |
| 3247 | element.style.left = left + 'px'; | |
| 3248 | element.style.height = element._originalHeight; | |
| 3249 | element.style.width = element._originalWidth; | |
| 3250 | } | |
| 3251 | } | |
| 3252 | ||
| 3253 | // Safari returns margins on body which is incorrect if the child is absolutely | |
| 3254 | // positioned. For performance reasons, redefine Position.cumulativeOffset for | |
| 3255 | // KHTML/WebKit only. | |
| 3256 | if (Prototype.Browser.WebKit) { | |
| 3257 | Position.cumulativeOffset = function(element) { | |
| 3258 | var valueT = 0, valueL = 0; | |
| 3259 | do { | |
| 3260 | valueT += element.offsetTop || 0; | |
| 3261 | valueL += element.offsetLeft || 0; | |
| 3262 | if (element.offsetParent == document.body) | |
| 3263 | if (Element.getStyle(element, 'position') == 'absolute') break; | |
| 3264 | ||
| 3265 | element = element.offsetParent; | |
| 3266 | } while (element); | |
| 3267 | ||
| 3268 | return [valueL, valueT]; | |
| 3269 | } | |
| 3270 | } | |
| 3271 | ||
| 3272 | Element.addMethods(); | |
