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