| 9 | | var Prototype = { |
| 10 | | Version: '1.5.1.1', |
| 11 | | |
| 12 | | Browser: { |
| 13 | | IE: !!(window.attachEvent && !window.opera), |
| 14 | | Opera: !!window.opera, |
| 15 | | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, |
| 16 | | Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1 |
| 17 | | }, |
| 18 | | |
| 19 | | BrowserFeatures: { |
| 20 | | XPath: !!document.evaluate, |
| 21 | | ElementExtensions: !!window.HTMLElement, |
| 22 | | SpecificElementExtensions: |
| 23 | | (document.createElement('div').__proto__ !== |
| 24 | | document.createElement('form').__proto__) |
| 25 | | }, |
| 26 | | |
| 27 | | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
| 28 | | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, |
| 29 | | |
| 30 | | emptyFunction: function() { }, |
| 31 | | K: function(x) { return x } |
| | 286 | var PeriodicalExecuter = Class.create({ |
| | 287 | initialize: function(callback, frequency) { |
| | 288 | this.callback = callback; |
| | 289 | this.frequency = frequency; |
| | 290 | this.currentlyExecuting = false; |
| | 291 | |
| | 292 | this.registerCallback(); |
| | 293 | }, |
| | 294 | |
| | 295 | registerCallback: function() { |
| | 296 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
| | 297 | }, |
| | 298 | |
| | 299 | execute: function() { |
| | 300 | this.callback(this); |
| | 301 | }, |
| | 302 | |
| | 303 | stop: function() { |
| | 304 | if (!this.timer) return; |
| | 305 | clearInterval(this.timer); |
| | 306 | this.timer = null; |
| | 307 | }, |
| | 308 | |
| | 309 | onTimerEvent: function() { |
| | 310 | if (!this.currentlyExecuting) { |
| | 311 | try { |
| | 312 | this.currentlyExecuting = true; |
| | 313 | this.execute(); |
| | 314 | } finally { |
| | 315 | this.currentlyExecuting = false; |
| | 316 | } |
| | 317 | } |
| | 318 | } |
| | 319 | }); |
| | 320 | Object.extend(String, { |
| | 321 | interpret: function(value) { |
| | 322 | return value == null ? '' : String(value); |
| | 323 | }, |
| | 324 | specialChar: { |
| | 325 | '\b': '\\b', |
| | 326 | '\t': '\\t', |
| | 327 | '\n': '\\n', |
| | 328 | '\f': '\\f', |
| | 329 | '\r': '\\r', |
| | 330 | '\\': '\\\\' |
| | 331 | } |
| | 332 | }); |
| | 333 | |
| | 334 | Object.extend(String.prototype, { |
| | 335 | gsub: function(pattern, replacement) { |
| | 336 | var result = '', source = this, match; |
| | 337 | replacement = arguments.callee.prepareReplacement(replacement); |
| | 338 | |
| | 339 | while (source.length > 0) { |
| | 340 | if (match = source.match(pattern)) { |
| | 341 | result += source.slice(0, match.index); |
| | 342 | result += String.interpret(replacement(match)); |
| | 343 | source = source.slice(match.index + match[0].length); |
| | 344 | } else { |
| | 345 | result += source, source = ''; |
| | 346 | } |
| | 347 | } |
| | 348 | return result; |
| | 349 | }, |
| | 350 | |
| | 351 | sub: function(pattern, replacement, count) { |
| | 352 | replacement = this.gsub.prepareReplacement(replacement); |
| | 353 | count = Object.isUndefined(count) ? 1 : count; |
| | 354 | |
| | 355 | return this.gsub(pattern, function(match) { |
| | 356 | if (--count < 0) return match[0]; |
| | 357 | return replacement(match); |
| | 358 | }); |
| | 359 | }, |
| | 360 | |
| | 361 | scan: function(pattern, iterator) { |
| | 362 | this.gsub(pattern, iterator); |
| | 363 | return String(this); |
| | 364 | }, |
| | 365 | |
| | 366 | truncate: function(length, truncation) { |
| | 367 | length = length || 30; |
| | 368 | truncation = Object.isUndefined(truncation) ? '...' : truncation; |
| | 369 | return this.length > length ? |
| | 370 | this.slice(0, length - truncation.length) + truncation : String(this); |
| | 371 | }, |
| | 372 | |
| | 373 | strip: function() { |
| | 374 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
| | 375 | }, |
| | 376 | |
| | 377 | stripTags: function() { |
| | 378 | return this.replace(/<\/?[^>]+>/gi, ''); |
| | 379 | }, |
| | 380 | |
| | 381 | stripScripts: function() { |
| | 382 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
| | 383 | }, |
| | 384 | |
| | 385 | extractScripts: function() { |
| | 386 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
| | 387 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
| | 388 | return (this.match(matchAll) || []).map(function(scriptTag) { |
| | 389 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
| | 390 | }); |
| | 391 | }, |
| | 392 | |
| | 393 | evalScripts: function() { |
| | 394 | return this.extractScripts().map(function(script) { return eval(script) }); |
| | 395 | }, |
| | 396 | |
| | 397 | escapeHTML: function() { |
| | 398 | var self = arguments.callee; |
| | 399 | self.text.data = this; |
| | 400 | return self.div.innerHTML; |
| | 401 | }, |
| | 402 | |
| | 403 | unescapeHTML: function() { |
| | 404 | var div = new Element('div'); |
| | 405 | div.innerHTML = this.stripTags(); |
| | 406 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
| | 407 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
| | 408 | div.childNodes[0].nodeValue) : ''; |
| | 409 | }, |
| | 410 | |
| | 411 | toQueryParams: function(separator) { |
| | 412 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
| | 413 | if (!match) return { }; |
| | 414 | |
| | 415 | return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
| | 416 | if ((pair = pair.split('='))[0]) { |
| | 417 | var key = decodeURIComponent(pair.shift()); |
| | 418 | var value = pair.length > 1 ? pair.join('=') : pair[0]; |
| | 419 | if (value != undefined) value = decodeURIComponent(value); |
| | 420 | |
| | 421 | if (key in hash) { |
| | 422 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; |
| | 423 | hash[key].push(value); |
| | 424 | } |
| | 425 | else hash[key] = value; |
| | 426 | } |
| | 427 | return hash; |
| | 428 | }); |
| | 429 | }, |
| | 430 | |
| | 431 | toArray: function() { |
| | 432 | return this.split(''); |
| | 433 | }, |
| | 434 | |
| | 435 | succ: function() { |
| | 436 | return this.slice(0, this.length - 1) + |
| | 437 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
| | 438 | }, |
| | 439 | |
| | 440 | times: function(count) { |
| | 441 | return count < 1 ? '' : new Array(count + 1).join(this); |
| | 442 | }, |
| | 443 | |
| | 444 | camelize: function() { |
| | 445 | var parts = this.split('-'), len = parts.length; |
| | 446 | if (len == 1) return parts[0]; |
| | 447 | |
| | 448 | var camelized = this.charAt(0) == '-' |
| | 449 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
| | 450 | : parts[0]; |
| | 451 | |
| | 452 | for (var i = 1; i < len; i++) |
| | 453 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
| | 454 | |
| | 455 | return camelized; |
| | 456 | }, |
| | 457 | |
| | 458 | capitalize: function() { |
| | 459 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
| | 460 | }, |
| | 461 | |
| | 462 | underscore: function() { |
| | 463 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
| | 464 | }, |
| | 465 | |
| | 466 | dasherize: function() { |
| | 467 | return this.gsub(/_/,'-'); |
| | 468 | }, |
| | 469 | |
| | 470 | inspect: function(useDoubleQuotes) { |
| | 471 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
| | 472 | var character = String.specialChar[match[0]]; |
| | 473 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
| | 474 | }); |
| | 475 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
| | 476 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
| | 477 | }, |
| | 478 | |
| | 479 | toJSON: function() { |
| | 480 | return this.inspect(true); |
| | 481 | }, |
| | 482 | |
| | 483 | unfilterJSON: function(filter) { |
| | 484 | return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
| | 485 | }, |
| | 486 | |
| | 487 | isJSON: function() { |
| | 488 | var str = this; |
| | 489 | if (str.blank()) return false; |
| | 490 | str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
| | 491 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
| | 492 | }, |
| | 493 | |
| | 494 | evalJSON: function(sanitize) { |
| | 495 | var json = this.unfilterJSON(); |
| | 496 | try { |
| | 497 | if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
| | 498 | } catch (e) { } |
| | 499 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
| | 500 | }, |
| | 501 | |
| | 502 | include: function(pattern) { |
| | 503 | return this.indexOf(pattern) > -1; |
| | 504 | }, |
| | 505 | |
| | 506 | startsWith: function(pattern) { |
| | 507 | return this.indexOf(pattern) === 0; |
| | 508 | }, |
| | 509 | |
| | 510 | endsWith: function(pattern) { |
| | 511 | var d = this.length - pattern.length; |
| | 512 | return d >= 0 && this.lastIndexOf(pattern) === d; |
| | 513 | }, |
| | 514 | |
| | 515 | empty: function() { |
| | 516 | return this == ''; |
| | 517 | }, |
| | 518 | |
| | 519 | blank: function() { |
| | 520 | return /^\s*$/.test(this); |
| | 521 | }, |
| | 522 | |
| | 523 | interpolate: function(object, pattern) { |
| | 524 | return new Template(this, pattern).evaluate(object); |
| | 525 | } |
| | 526 | }); |
| | 527 | |
| | 528 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
| | 529 | escapeHTML: function() { |
| | 530 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
| | 531 | }, |
| | 532 | unescapeHTML: function() { |
| | 533 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
| | 534 | } |
| | 535 | }); |
| | 536 | |
| | 537 | String.prototype.gsub.prepareReplacement = function(replacement) { |
| | 538 | if (Object.isFunction(replacement)) return replacement; |
| | 539 | var template = new Template(replacement); |
| | 540 | return function(match) { return template.evaluate(match) }; |
| | 541 | }; |
| | 542 | |
| | 543 | String.prototype.parseQuery = String.prototype.toQueryParams; |
| | 544 | |
| | 545 | Object.extend(String.prototype.escapeHTML, { |
| | 546 | div: document.createElement('div'), |
| | 547 | text: document.createTextNode('') |
| | 548 | }); |
| | 549 | |
| | 550 | with (String.prototype.escapeHTML) div.appendChild(text); |
| | 551 | |
| | 552 | var Template = Class.create({ |
| | 553 | initialize: function(template, pattern) { |
| | 554 | this.template = template.toString(); |
| | 555 | this.pattern = pattern || Template.Pattern; |
| | 556 | }, |
| | 557 | |
| | 558 | evaluate: function(object) { |
| | 559 | if (Object.isFunction(object.toTemplateReplacements)) |
| | 560 | object = object.toTemplateReplacements(); |
| | 561 | |
| | 562 | return this.template.gsub(this.pattern, function(match) { |
| | 563 | if (object == null) return ''; |
| | 564 | |
| | 565 | var before = match[1] || ''; |
| | 566 | if (before == '\\') return match[2]; |
| | 567 | |
| | 568 | var ctx = object, expr = match[3]; |
| | 569 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; |
| | 570 | match = pattern.exec(expr); |
| | 571 | if (match == null) return before; |
| | 572 | |
| | 573 | while (match != null) { |
| | 574 | var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; |
| | 575 | ctx = ctx[comp]; |
| | 576 | if (null == ctx || '' == match[3]) break; |
| | 577 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); |
| | 578 | match = pattern.exec(expr); |
| | 579 | } |
| | 580 | |
| | 581 | return before + String.interpret(ctx); |
| | 582 | }); |
| | 583 | } |
| | 584 | }); |
| | 585 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
| | 586 | |
| | 587 | var $break = { }; |
| | 588 | |
| | 589 | var Enumerable = { |
| | 590 | each: function(iterator, context) { |
| | 591 | var index = 0; |
| | 592 | iterator = iterator.bind(context); |
| | 593 | try { |
| | 594 | this._each(function(value) { |
| | 595 | iterator(value, index++); |
| | 596 | }); |
| | 597 | } catch (e) { |
| | 598 | if (e != $break) throw e; |
| | 599 | } |
| | 600 | return this; |
| | 601 | }, |
| | 602 | |
| | 603 | eachSlice: function(number, iterator, context) { |
| | 604 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 605 | var index = -number, slices = [], array = this.toArray(); |
| | 606 | while ((index += number) < array.length) |
| | 607 | slices.push(array.slice(index, index+number)); |
| | 608 | return slices.collect(iterator, context); |
| | 609 | }, |
| | 610 | |
| | 611 | all: function(iterator, context) { |
| | 612 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 613 | var result = true; |
| | 614 | this.each(function(value, index) { |
| | 615 | result = result && !!iterator(value, index); |
| | 616 | if (!result) throw $break; |
| | 617 | }); |
| | 618 | return result; |
| | 619 | }, |
| | 620 | |
| | 621 | any: function(iterator, context) { |
| | 622 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 623 | var result = false; |
| | 624 | this.each(function(value, index) { |
| | 625 | if (result = !!iterator(value, index)) |
| | 626 | throw $break; |
| | 627 | }); |
| | 628 | return result; |
| | 629 | }, |
| | 630 | |
| | 631 | collect: function(iterator, context) { |
| | 632 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 633 | var results = []; |
| | 634 | this.each(function(value, index) { |
| | 635 | results.push(iterator(value, index)); |
| | 636 | }); |
| | 637 | return results; |
| | 638 | }, |
| | 639 | |
| | 640 | detect: function(iterator, context) { |
| | 641 | iterator = iterator.bind(context); |
| | 642 | var result; |
| | 643 | this.each(function(value, index) { |
| | 644 | if (iterator(value, index)) { |
| | 645 | result = value; |
| | 646 | throw $break; |
| | 647 | } |
| | 648 | }); |
| | 649 | return result; |
| | 650 | }, |
| | 651 | |
| | 652 | findAll: function(iterator, context) { |
| | 653 | iterator = iterator.bind(context); |
| | 654 | var results = []; |
| | 655 | this.each(function(value, index) { |
| | 656 | if (iterator(value, index)) |
| | 657 | results.push(value); |
| | 658 | }); |
| | 659 | return results; |
| | 660 | }, |
| | 661 | |
| | 662 | grep: function(filter, iterator, context) { |
| | 663 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 664 | var results = []; |
| | 665 | |
| | 666 | if (Object.isString(filter)) |
| | 667 | filter = new RegExp(filter); |
| | 668 | |
| | 669 | this.each(function(value, index) { |
| | 670 | if (filter.match(value)) |
| | 671 | results.push(iterator(value, index)); |
| | 672 | }); |
| | 673 | return results; |
| | 674 | }, |
| | 675 | |
| | 676 | include: function(object) { |
| | 677 | if (Object.isFunction(this.indexOf)) |
| | 678 | if (this.indexOf(object) != -1) return true; |
| | 679 | |
| | 680 | var found = false; |
| | 681 | this.each(function(value) { |
| | 682 | if (value == object) { |
| | 683 | found = true; |
| | 684 | throw $break; |
| | 685 | } |
| | 686 | }); |
| | 687 | return found; |
| | 688 | }, |
| | 689 | |
| | 690 | inGroupsOf: function(number, fillWith) { |
| | 691 | fillWith = Object.isUndefined(fillWith) ? null : fillWith; |
| | 692 | return this.eachSlice(number, function(slice) { |
| | 693 | while(slice.length < number) slice.push(fillWith); |
| | 694 | return slice; |
| | 695 | }); |
| | 696 | }, |
| | 697 | |
| | 698 | inject: function(memo, iterator, context) { |
| | 699 | iterator = iterator.bind(context); |
| | 700 | this.each(function(value, index) { |
| | 701 | memo = iterator(memo, value, index); |
| | 702 | }); |
| | 703 | return memo; |
| | 704 | }, |
| | 705 | |
| | 706 | invoke: function(method) { |
| | 707 | var args = $A(arguments).slice(1); |
| | 708 | return this.map(function(value) { |
| | 709 | return value[method].apply(value, args); |
| | 710 | }); |
| | 711 | }, |
| | 712 | |
| | 713 | max: function(iterator, context) { |
| | 714 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 715 | var result; |
| | 716 | this.each(function(value, index) { |
| | 717 | value = iterator(value, index); |
| | 718 | if (result == null || value >= result) |
| | 719 | result = value; |
| | 720 | }); |
| | 721 | return result; |
| | 722 | }, |
| | 723 | |
| | 724 | min: function(iterator, context) { |
| | 725 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 726 | var result; |
| | 727 | this.each(function(value, index) { |
| | 728 | value = iterator(value, index); |
| | 729 | if (result == null || value < result) |
| | 730 | result = value; |
| | 731 | }); |
| | 732 | return result; |
| | 733 | }, |
| | 734 | |
| | 735 | partition: function(iterator, context) { |
| | 736 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
| | 737 | var trues = [], falses = []; |
| | 738 | this.each(function(value, index) { |
| | 739 | (iterator(value, index) ? |
| | 740 | trues : falses).push(value); |
| | 741 | }); |
| | 742 | return [trues, falses]; |
| | 743 | }, |
| | 744 | |
| | 745 | pluck: function(property) { |
| | 746 | var results = []; |
| | 747 | this.each(function(value) { |
| | 748 | results.push(value[property]); |
| | 749 | }); |
| | 750 | return results; |
| | 751 | }, |
| | 752 | |
| | 753 | reject: function(iterator, context) { |
| | 754 | iterator = iterator.bind(context); |
| | 755 | var results = []; |
| | 756 | this.each(function(value, index) { |
| | 757 | if (!iterator(value, index)) |
| | 758 | results.push(value); |
| | 759 | }); |
| | 760 | return results; |
| | 761 | }, |
| | 762 | |
| | 763 | sortBy: function(iterator, context) { |
| | 764 | iterator = iterator.bind(context); |
| | 765 | return this.map(function(value, index) { |
| | 766 | return {value: value, criteria: iterator(value, index)}; |
| | 767 | }).sort(function(left, right) { |
| | 768 | var a = left.criteria, b = right.criteria; |
| | 769 | return a < b ? -1 : a > b ? 1 : 0; |
| | 770 | }).pluck('value'); |
| | 771 | }, |
| | 772 | |
| | 773 | toArray: function() { |
| | 774 | return this.map(); |
| | 775 | }, |
| | 776 | |
| | 777 | zip: function() { |
| | 778 | var iterator = Prototype.K, args = $A(arguments); |
| | 779 | if (Object.isFunction(args.last())) |
| | 780 | iterator = args.pop(); |
| | 781 | |
| | 782 | var collections = [this].concat(args).map($A); |
| | 783 | return this.map(function(value, index) { |
| | 784 | return iterator(collections.pluck(index)); |
| | 785 | }); |
| | 786 | }, |
| | 787 | |
| | 788 | size: function() { |
| | 789 | return this.toArray().length; |
| | 790 | }, |
| | 791 | |
| | 792 | inspect: function() { |
| | 793 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
| | 794 | } |
| | 795 | }; |
| | 796 | |
| | 797 | Object.extend(Enumerable, { |
| | 798 | map: Enumerable.collect, |
| | 799 | find: Enumerable.detect, |
| | 800 | select: Enumerable.findAll, |
| | 801 | filter: Enumerable.findAll, |
| | 802 | member: Enumerable.include, |
| | 803 | entries: Enumerable.toArray, |
| | 804 | every: Enumerable.all, |
| | 805 | some: Enumerable.any |
| | 806 | }); |
| | 807 | function $A(iterable) { |
| | 808 | if (!iterable) return []; |
| | 809 | if (iterable.toArray) return iterable.toArray(); |
| | 810 | var length = iterable.length || 0, results = new Array(length); |
| | 811 | while (length--) results[length] = iterable[length]; |
| | 812 | return results; |
| 755 | | Array.prototype.toArray = Array.prototype.clone; |
| 756 | | |
| 757 | | function $w(string) { |
| 758 | | string = string.strip(); |
| 759 | | return string ? string.split(/\s+/) : []; |
| 760 | | } |
| 761 | | |
| 762 | | if (Prototype.Browser.Opera){ |
| 763 | | Array.prototype.concat = function() { |
| 764 | | var array = []; |
| 765 | | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
| 766 | | for (var i = 0, length = arguments.length; i < length; i++) { |
| 767 | | if (arguments[i].constructor == Array) { |
| 768 | | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
| 769 | | array.push(arguments[i][j]); |
| 770 | | } else { |
| 771 | | array.push(arguments[i]); |
| 772 | | } |
| 773 | | } |
| 774 | | return array; |
| 775 | | } |
| 776 | | } |
| 777 | | var Hash = function(object) { |
| 778 | | if (object instanceof Hash) this.merge(object); |
| 779 | | else Object.extend(this, object || {}); |
| 780 | | }; |
| 781 | | |
| 782 | | Object.extend(Hash, { |
| 783 | | toQueryString: function(obj) { |
| 784 | | var parts = []; |
| 785 | | parts.add = arguments.callee.addPair; |
| 786 | | |
| 787 | | this.prototype._each.call(obj, function(pair) { |
| 788 | | if (!pair.key) return; |
| 789 | | var value = pair.value; |
| 790 | | |
| 791 | | if (value && typeof value == 'object') { |
| 792 | | if (value.constructor == Array) value.each(function(value) { |
| 793 | | parts.add(pair.key, value); |
| 794 | | }); |
| 795 | | return; |
| 796 | | } |
| 797 | | parts.add(pair.key, value); |
| 798 | | }); |
| 799 | | |
| 800 | | return parts.join('&'); |
| 801 | | }, |
| 802 | | |
| 803 | | toJSON: function(object) { |
| 804 | | var results = []; |
| 805 | | this.prototype._each.call(object, function(pair) { |
| 806 | | var value = Object.toJSON(pair.value); |
| 807 | | if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value); |
| 808 | | }); |
| 809 | | return '{' + results.join(', ') + '}'; |
| 810 | | } |
| 811 | | }); |
| 812 | | |
| 813 | | Hash.toQueryString.addPair = function(key, value, prefix) { |
| 814 | | key = encodeURIComponent(key); |
| 815 | | if (value === undefined) this.push(key); |
| 816 | | else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value))); |
| 817 | | } |
| 818 | | |
| 819 | | Object.extend(Hash.prototype, Enumerable); |
| 820 | | Object.extend(Hash.prototype, { |
| 821 | | _each: function(iterator) { |
| 822 | | for (var key in this) { |
| 823 | | var value = this[key]; |
| 824 | | if (value && value == Hash.prototype[key]) continue; |
| 825 | | |
| 826 | | var pair = [key, value]; |
| 827 | | pair.key = key; |
| 828 | | pair.value = value; |
| 829 | | iterator(pair); |
| 830 | | } |
| 831 | | }, |
| 832 | | |
| 833 | | keys: function() { |
| 834 | | return this.pluck('key'); |
| 835 | | }, |
| 836 | | |
| 837 | | values: function() { |
| 838 | | return this.pluck('value'); |
| 839 | | }, |
| 840 | | |
| 841 | | merge: function(hash) { |
| 842 | | return $H(hash).inject(this, function(mergedHash, pair) { |
| 843 | | mergedHash[pair.key] = pair.value; |
| 844 | | return mergedHash; |
| 845 | | }); |
| 846 | | }, |
| 847 | | |
| 848 | | remove: function() { |
| 849 | | var result; |
| 850 | | for(var i = 0, length = arguments.length; i < length; i++) { |
| 851 | | var value = this[arguments[i]]; |
| 852 | | if (value !== undefined){ |
| 853 | | if (result === undefined) result = value; |
| 854 | | else { |
| 855 | | if (result.constructor != Array) result = [result]; |
| 856 | | result.push(value) |
| 857 | | } |
| 858 | | } |
| 859 | | delete this[arguments[i]]; |
| 860 | | } |
| 861 | | return result; |
| 862 | | }, |
| 863 | | |
| 864 | | toQueryString: function() { |
| 865 | | return Hash.toQueryString(this); |
| 866 | | }, |
| 867 | | |
| 868 | | inspect: function() { |
| 869 | | return '#<Hash:{' + this.map(function(pair) { |
| 870 | | return pair.map(Object.inspect).join(': '); |
| 871 | | }).join(', ') + '}>'; |
| 872 | | }, |
| 873 | | |
| 874 | | toJSON: function() { |
| 875 | | return Hash.toJSON(this); |
| 876 | | } |
| 877 | | }); |
| 878 | | |
| 879 | | function $H(object) { |
| 880 | | if (object instanceof Hash) return object; |
| 881 | | return new Hash(object); |
| 882 | | }; |
| 883 | | |
| 884 | | // Safari iterates over shadowed properties |
| 885 | | if (function() { |
| 886 | | var i = 0, Test = function(value) { this.key = value }; |
| 887 | | Test.prototype.key = 'foo'; |
| 888 | | for (var property in new Test('bar')) i++; |
| 889 | | return i > 1; |
| 890 | | }()) Hash.prototype._each = function(iterator) { |
| 891 | | var cache = []; |
| 892 | | for (var key in this) { |
| 893 | | var value = this[key]; |
| 894 | | if ((value && value == Hash.prototype[key]) || cache.include(key)) continue; |
| 895 | | cache.push(key); |
| 896 | | var pair = [key, value]; |
| 897 | | pair.key = key; |
| 898 | | pair.value = value; |
| 899 | | iterator(pair); |
| 900 | | } |
| 901 | | }; |
| 902 | | ObjectRange = Class.create(); |
| 903 | | Object.extend(ObjectRange.prototype, Enumerable); |
| 904 | | Object.extend(ObjectRange.prototype, { |
| 905 | | initialize: function(start, end, exclusive) { |
| 906 | | this.start = start; |
| 907 | | this.end = end; |
| 908 | | this.exclusive = exclusive; |
| 909 | | }, |
| 910 | | |
| 911 | | _each: function(iterator) { |
| 912 | | var value = this.start; |
| 913 | | while (this.include(value)) { |
| 914 | | iterator(value); |
| 915 | | value = value.succ(); |
| 916 | | } |
| 917 | | }, |
| 918 | | |
| 919 | | include: function(value) { |
| 920 | | if (value < this.start) |
| 921 | | return false; |
| 922 | | if (this.exclusive) |
| 923 | | return value < this.end; |
| 924 | | return value <= this.end; |
| 925 | | } |
| 926 | | }); |
| 927 | | |
| 928 | | var $R = function(start, end, exclusive) { |
| 929 | | return new ObjectRange(start, end, exclusive); |
| 930 | | } |
| 931 | | |
| 932 | | var Ajax = { |
| 933 | | getTransport: function() { |
| 934 | | return Try.these( |
| 935 | | function() {return new XMLHttpRequest()}, |
| 936 | | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
| 937 | | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
| 938 | | ) || false; |
| 939 | | }, |
| 940 | | |
| 941 | | activeRequestCount: 0 |
| 942 | | } |
| 943 | | |
| 944 | | Ajax.Responders = { |
| 945 | | responders: [], |
| 946 | | |
| 947 | | _each: function(iterator) { |
| 948 | | this.responders._each(iterator); |
| 949 | | }, |
| 950 | | |
| 951 | | register: function(responder) { |
| 952 | | if (!this.include(responder)) |
| 953 | | this.responders.push(responder); |
| 954 | | }, |
| 955 | | |
| 956 | | unregister: function(responder) { |
| 957 | | this.responders = this.responders.without(responder); |
| 958 | | }, |
| 959 | | |
| 960 | | dispatch: function(callback, request, transport, json) { |
| 961 | | this.each(function(responder) { |
| 962 | | if (typeof responder[callback] == 'function') { |
| 963 | | try { |
| 964 | | responder[callback].apply(responder, [request, transport, json]); |
| 965 | | } catch (e) {} |
| 966 | | } |
| 967 | | }); |
| 968 | | } |
| 969 | | }; |
| 970 | | |
| 971 | | Object.extend(Ajax.Responders, Enumerable); |
| 972 | | |
| 973 | | Ajax.Responders.register({ |
| 974 | | onCreate: function() { |
| 975 | | Ajax.activeRequestCount++; |
| 976 | | }, |
| 977 | | onComplete: function() { |
| 978 | | Ajax.activeRequestCount--; |
| 979 | | } |
| 980 | | }); |
| 981 | | |
| 982 | | Ajax.Base = function() {}; |
| 983 | | Ajax.Base.prototype = { |
| 984 | | setOptions: function(options) { |
| 985 | | this.options = { |
| 986 | | method: 'post', |
| 987 | | asynchronous: true, |
| 988 | | contentType: 'application/x-www-form-urlencoded', |
| 989 | | encoding: 'UTF-8', |
| 990 | | parameters: '' |
| 991 | | } |
| 992 | | Object.extend(this.options, options || {}); |
| 993 | | |
| 994 | | this.options.method = this.options.method.toLowerCase(); |
| 995 | | if (typeof this.options.parameters == 'string') |
| 996 | | this.options.parameters = this.options.parameters.toQueryParams(); |
| 997 | | } |
| 998 | | } |
| 999 | | |
| 1000 | | Ajax.Request = Class.create(); |
| 1001 | | Ajax.Request.Events = |
| 1002 | | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
| 1003 | | |
| 1004 | | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
| 1005 | | _complete: false, |
| 1006 | | |
| 1007 | | initialize: function(url, options) { |
| 1008 | | this.transport = Ajax.getTransport(); |
| 1009 | | this.setOptions(options); |
| 1010 | | this.request(url); |
| 1011 | | }, |
| 1012 | | |
| 1013 | | request: function(url) { |
| 1014 | | this.url = url; |
| 1015 | | this.method = this.options.method; |
| 1016 | | var params = Object.clone(this.options.parameters); |
| 1017 | | |
| 1018 | | if (!['get', 'post'].include(this.method)) { |
| 1019 | | // simulate other verbs over post |
| 1020 | | params['_method'] = this.method; |
| 1021 | | this.method = 'post'; |
| 1022 | | } |
| 1023 | | |
| 1024 | | this.parameters = params; |
| 1025 | | |
| 1026 | | if (params = Hash.toQueryString(params)) { |
| 1027 | | // when GET, append parameters to URL |
| 1028 | | if (this.method == 'get') |
| 1029 | | this.url += (this.url.include('?') ? '&' : '?') + params; |
| 1030 | | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
| 1031 | | params += '&_='; |
| 1032 | | } |
| 1033 | | |
| 1034 | | try { |
| 1035 | | if (this.options.onCreate) this.options.onCreate(this.transport); |
| 1036 | | Ajax.Responders.dispatch('onCreate', this, this.transport); |
| 1037 | | |
| 1038 | | this.transport.open(this.method.toUpperCase(), this.url, |
| 1039 | | this.options.asynchronous); |
| 1040 | | |
| 1041 | | if (this.options.asynchronous) |
| 1042 | | setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); |
| 1043 | | |
| 1044 | | this.transport.onreadystatechange = this.onStateChange.bind(this); |
| 1045 | | this.setRequestHeaders(); |
| 1046 | | |
| 1047 | | this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
| 1048 | | this.transport.send(this.body); |
| 1049 | | |
| 1050 | | /* Force Firefox to handle ready state 4 for synchronous requests */ |
| 1051 | | if (!this.options.asynchronous && this.transport.overrideMimeType) |
| 1052 | | this.onStateChange(); |
| 1053 | | |
| 1054 | | } |
| 1055 | | catch (e) { |
| 1056 | | this.dispatchException(e); |
| 1057 | | } |
| 1058 | | }, |
| 1059 | | |
| 1060 | | onStateChange: function() { |
| 1061 | | var readyState = this.transport.readyState; |
| 1062 | | if (readyState > 1 && !((readyState == 4) && this._complete)) |
| 1063 | | this.respondToReadyState(this.transport.readyState); |
| 1064 | | }, |
| 1065 | | |
| 1066 | | setRequestHeaders: function() { |
| 1067 | | var headers = { |
| 1068 | | 'X-Requested-With': 'XMLHttpRequest', |
| 1069 | | 'X-Prototype-Version': Prototype.Version, |
| 1070 | | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
| 1071 | | }; |
| 1072 | | |
| 1073 | | if (this.method == 'post') { |
| 1074 | | headers['Content-type'] = this.options.contentType + |
| 1075 | | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
| 1076 | | |
| 1077 | | /* Force "Connection: close" for older Mozilla browsers to work |
| 1078 | | * around a bug where XMLHttpRequest sends an incorrect |
| 1079 | | * Content-length header. See Mozilla Bugzilla #246651. |
| 1080 | | */ |
| 1081 | | if (this.transport.overrideMimeType && |
| 1082 | | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
| 1083 | | headers['Connection'] = 'close'; |
| 1084 | | } |
| 1085 | | |
| 1086 | | // user-defined headers |
| 1087 | | if (typeof this.options.requestHeaders == 'object') { |
| 1088 | | var extras = this.options.requestHeaders; |
| 1089 | | |
| 1090 | | if (typeof extras.push == 'function') |
| 1091 | | for (var i = 0, length = extras.length; i < length; i += 2) |
| 1092 | | headers[extras[i]] = extras[i+1]; |
| 1093 | | else |
| 1094 | | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
| 1095 | | } |
| 1096 | | |
| 1097 | | for (var name in headers) |
| 1098 | | this.transport.setRequestHeader(name, headers[name]); |
| 1099 | | }, |
| 1100 | | |
| 1101 | | success: function() { |
| 1102 | | return !this.transport.status |
| 1103 | | || (this.transport.status >= 200 && this.transport.status < 300); |
| 1104 | | }, |
| 1105 | | |
| 1106 | | respondToReadyState: function(readyState) { |
| 1107 | | var state = Ajax.Request.Events[readyState]; |
| 1108 | | var transport = this.transport, json = this.evalJSON(); |
| 1109 | | |
| 1110 | | if (state == 'Complete') { |
| 1111 | | try { |
| 1112 | | this._complete = true; |
| 1113 | | (this.options['on' + this.transport.status] |
| 1114 | | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
| 1115 | | || Prototype.emptyFunction)(transport, json); |
| 1116 | | } catch (e) { |
| 1117 | | this.dispatchException(e); |
| 1118 | | } |
| 1119 | | |
| 1120 | | var contentType = this.getHeader('Content-type'); |
| 1121 | | if (contentType && contentType.strip(). |
| 1122 | | match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) |
| 1123 | | this.evalResponse(); |
| 1124 | | } |
| 1125 | | |
| 1126 | | try { |
| 1127 | | (this.options['on' + state] || Prototype.emptyFunction)(transport, json); |
| 1128 | | Ajax.Responders.dispatch('on' + state, this, transport, json); |
| 1129 | | } catch (e) { |
| 1130 | | this.dispatchException(e); |
| 1131 | | } |
| 1132 | | |
| 1133 | | if (state == 'Complete') { |
| 1134 | | // avoid memory leak in MSIE: clean up |
| 1135 | | this.transport.onreadystatechange = Prototype.emptyFunction; |
| 1136 | | } |
| 1137 | | }, |
| 1138 | | |
| 1139 | | getHeader: function(name) { |
| 1140 | | try { |
| 1141 | | return this.transport.getResponseHeader(name); |
| 1142 | | } catch (e) { return null } |
| 1143 | | }, |
| 1144 | | |
| 1145 | | evalJSON: function() { |
| 1146 | | try { |
| 1147 | | var json = this.getHeader('X-JSON'); |
| 1148 | | return json ? json.evalJSON() : null; |
| 1149 | | } catch (e) { return null } |
| 1150 | | }, |
| 1151 | | |
| 1152 | | evalResponse: function() { |
| 1153 | | try { |
| 1154 | | return eval((this.transport.responseText || '').unfilterJSON()); |
| 1155 | | } catch (e) { |
| 1156 | | this.dispatchException(e); |
| 1157 | | } |
| 1158 | | }, |
| 1159 | | |
| 1160 | | dispatchException: function(exception) { |
| 1161 | | (this.options.onException || Prototype.emptyFunction)(this, exception); |
| 1162 | | Ajax.Responders.dispatch('onException', this, exception); |
| 1163 | | } |
| 1164 | | }); |
| 1165 | | |
| 1166 | | Ajax.Updater = Class.create(); |
| 1167 | | |
| 1168 | | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
| 1169 | | initialize: function(container, url, options) { |
| 1170 | | this.container = { |
| 1171 | | success: (container.success || container), |
| 1172 | | failure: (container.failure || (container.success ? null : container)) |
| 1173 | | } |
| 1174 | | |
| 1175 | | this.transport = Ajax.getTransport(); |
| 1176 | | this.setOptions(options); |
| 1177 | | |
| 1178 | | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
| 1179 | | this.options.onComplete = (function(transport, param) { |
| 1180 | | this.updateContent(); |
| 1181 | | onComplete(transport, param); |
| 1182 | | }).bind(this); |
| 1183 | | |
| 1184 | | this.request(url); |
| 1185 | | }, |
| 1186 | | |
| 1187 | | updateContent: function() { |
| 1188 | | var receiver = this.container[this.success() ? 'success' : 'failure']; |
| 1189 | | var response = this.transport.responseText; |
| 1190 | | |
| 1191 | | if (!this.options.evalScripts) response = response.stripScripts(); |
| 1192 | | |
| 1193 | | if (receiver = $(receiver)) { |
| 1194 | | if (this.options.insertion) |
| 1195 | | new this.options.insertion(receiver, response); |
| 1196 | | else |
| 1197 | | receiver.update(response); |
| 1198 | | } |
| 1199 | | |
| 1200 | | if (this.success()) { |
| 1201 | | if (this.onComplete) |
| 1202 | | setTimeout(this.onComplete.bind(this), 10); |
| 1203 | | } |
| 1204 | | } |
| 1205 | | }); |
| 1206 | | |
| 1207 | | Ajax.PeriodicalUpdater = Class.create(); |
| 1208 | | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
| 1209 | | initialize: function(container, url, options) { |
| 1210 | | this.setOptions(options); |
| 1211 | | this.onComplete = this.options.onComplete; |
| 1212 | | |
| 1213 | | this.frequency = (this.options.frequency || 2); |
| 1214 | | this.decay = (this.options.decay || 1); |
| 1215 | | |
| 1216 | | this.updater = {}; |
| 1217 | | this.container = container; |
| 1218 | | this.url = url; |
| 1219 | | |
| 1220 | | this.start(); |
| 1221 | | }, |
| 1222 | | |
| 1223 | | start: function() { |
| 1224 | | this.options.onComplete = this.updateComplete.bind(this); |
| 1225 | | this.onTimerEvent(); |
| 1226 | | }, |
| 1227 | | |
| 1228 | | stop: function() { |
| 1229 | | this.updater.options.onComplete = undefined; |
| 1230 | | clearTimeout(this.timer); |
| 1231 | | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
| 1232 | | }, |
| 1233 | | |
| 1234 | | updateComplete: function(request) { |
| 1235 | | if (this.options.decay) { |
| 1236 | | this.decay = (request.responseText == this.lastText ? |
| 1237 | | this.decay * this.options.decay : 1); |
| 1238 | | |
| 1239 | | this.lastText = request.responseText; |
| 1240 | | } |
| 1241 | | this.timer = setTimeout(this.onTimerEvent.bind(this), |
| 1242 | | this.decay * this.frequency * 1000); |
| 1243 | | }, |
| 1244 | | |
| 1245 | | onTimerEvent: function() { |
| 1246 | | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
| 1247 | | } |
| | 1462 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
| | 1463 | initialize: function($super, container, url, options) { |
| | 1464 | $super(options); |
| | 1465 | this.onComplete = this.options.onComplete; |
| | 1466 | |
| | 1467 | this.frequency = (this.options.frequency || 2); |
| | 1468 | this.decay = (this.options.decay || 1); |
| | 1469 | |
| | 1470 | this.updater = { }; |
| | 1471 | this.container = container; |
| | 1472 | this.url = url; |
| | 1473 | |
| | 1474 | this.start(); |
| | 1475 | }, |
| | 1476 | |
| | 1477 | start: function() { |
| | 1478 | this.options.onComplete = this.updateComplete.bind(this); |
| | 1479 | this.onTimerEvent(); |
| | 1480 | }, |
| | 1481 | |
| | 1482 | stop: function() { |
| | 1483 | this.updater.options.onComplete = undefined; |
| | 1484 | clearTimeout(this.timer); |
| | 1485 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
| | 1486 | }, |
| | 1487 | |
| | 1488 | updateComplete: function(response) { |
| | 1489 | if (this.options.decay) { |
| | 1490 | this.decay = (response.responseText == this.lastText ? |
| | 1491 | this.decay * this.options.decay : 1); |
| | 1492 | |
| | 1493 | this.lastText = response.responseText; |
| | 1494 | } |
| | 1495 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
| | 1496 | }, |
| | 1497 | |
| | 1498 | onTimerEvent: function() { |
| | 1499 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
| | 1500 | } |
| 1261 | | document._getElementsByXPath = function(expression, parentElement) { |
| 1262 | | var results = []; |
| 1263 | | var query = document.evaluate(expression, $(parentElement) || document, |
| 1264 | | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
| 1265 | | for (var i = 0, length = query.snapshotLength; i < length; i++) |
| 1266 | | results.push(query.snapshotItem(i)); |
| 1267 | | return results; |
| 1268 | | }; |
| 1269 | | |
| 1270 | | document.getElementsByClassName = function(className, parentElement) { |
| 1271 | | var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; |
| 1272 | | return document._getElementsByXPath(q, parentElement); |
| 1273 | | } |
| 1274 | | |
| 1275 | | } else document.getElementsByClassName = function(className, parentElement) { |
| 1276 | | var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
| 1277 | | var elements = [], child, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)"); |
| 1278 | | for (var i = 0, length = children.length; i < length; i++) { |
| 1279 | | child = children[i]; |
| 1280 | | var elementClassName = child.className; |
| 1281 | | if (elementClassName.length == 0) continue; |
| 1282 | | if (elementClassName == className || elementClassName.match(pattern)) |
| 1283 | | elements.push(Element.extend(child)); |
| 1284 | | } |
| 1285 | | return elements; |
| | 1514 | document._getElementsByXPath = function(expression, parentElement) { |
| | 1515 | var results = []; |
| | 1516 | var query = document.evaluate(expression, $(parentElement) || document, |
| | 1517 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
| | 1518 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
| | 1519 | results.push(Element.extend(query.snapshotItem(i))); |
| | 1520 | return results; |
| | 1521 | }; |
| | 1522 | } |
| | 1523 | |
| | 1524 | /*--------------------------------------------------------------------------*/ |
| | 1525 | |
| | 1526 | if (!window.Node) var Node = { }; |
| | 1527 | |
| | 1528 | if (!Node.ELEMENT_NODE) { |
| | 1529 | // DOM level 2 ECMAScript Language Binding |
| | 1530 | Object.extend(Node, { |
| | 1531 | ELEMENT_NODE: 1, |
| | 1532 | ATTRIBUTE_NODE: 2, |
| | 1533 | TEXT_NODE: 3, |
| | 1534 | CDATA_SECTION_NODE: 4, |
| | 1535 | ENTITY_REFERENCE_NODE: 5, |
| | 1536 | ENTITY_NODE: 6, |
| | 1537 | PROCESSING_INSTRUCTION_NODE: 7, |
| | 1538 | COMMENT_NODE: 8, |
| | 1539 | DOCUMENT_NODE: 9, |
| | 1540 | DOCUMENT_TYPE_NODE: 10, |
| | 1541 | DOCUMENT_FRAGMENT_NODE: 11, |
| | 1542 | NOTATION_NODE: 12 |
| | 1543 | }); |
| | 1544 | } |
| | 1545 | |
| | 1546 | (function() { |
| | 1547 | var element = this.Element; |
| | 1548 | this.Element = function(tagName, attributes) { |
| | 1549 | attributes = attributes || { }; |
| | 1550 | tagName = tagName.toLowerCase(); |
| | 1551 | var cache = Element.cache; |
| | 1552 | if (Prototype.Browser.IE && attributes.name) { |
| | 1553 | tagName = '<' + tagName + ' name="' + attributes.name + '">'; |
| | 1554 | delete attributes.name; |
| | 1555 | return Element.writeAttribute(document.createElement(tagName), attributes); |
| | 1556 | } |
| | 1557 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
| | 1558 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); |
| | 1559 | }; |
| | 1560 | Object.extend(this.Element, element || { }); |
| | 1561 | }).call(window); |
| | 1562 | |
| | 1563 | Element.cache = { }; |
| | 1564 | |
| | 1565 | Element.Methods = { |
| | 1566 | visible: function(element) { |
| | 1567 | return $(element).style.display != 'none'; |
| | 1568 | }, |
| | 1569 | |
| | 1570 | toggle: function(element) { |
| | 1571 | element = $(element); |
| | 1572 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
| | 1573 | return element; |
| | 1574 | }, |
| | 1575 | |
| | 1576 | hide: function(element) { |
| | 1577 | $(element).style.display = 'none'; |
| | 1578 | return element; |
| | 1579 | }, |
| | 1580 | |
| | 1581 | show: function(element) { |
| | 1582 | $(element).style.display = ''; |
| | 1583 | return element; |
| | 1584 | }, |
| | 1585 | |
| | 1586 | remove: function(element) { |
| | 1587 | element = $(element); |
| | 1588 | element.parentNode.removeChild(element); |
| | 1589 | return element; |
| | 1590 | }, |
| | 1591 | |
| | 1592 | update: function(element, content) { |
| | 1593 | element = $(element); |
| | 1594 | if (content && content.toElement) content = content.toElement(); |
| | 1595 | if (Object.isElement(content)) return element.update().insert(content); |
| | 1596 | content = Object.toHTML(content); |
| | 1597 | element.innerHTML = content.stripScripts(); |
| | 1598 | content.evalScripts.bind(content).defer(); |
| | 1599 | return element; |
| | 1600 | }, |
| | 1601 | |
| | 1602 | replace: function(element, content) { |
| | 1603 | element = $(element); |
| | 1604 | if (content && content.toElement) content = content.toElement(); |
| | 1605 | else if (!Object.isElement(content)) { |
| | 1606 | content = Object.toHTML(content); |
| | 1607 | var range = element.ownerDocument.createRange(); |
| | 1608 | range.selectNode(element); |
| | 1609 | content.evalScripts.bind(content).defer(); |
| | 1610 | content = range.createContextualFragment(content.stripScripts()); |
| | 1611 | } |
| | 1612 | element.parentNode.replaceChild(content, element); |
| | 1613 | return element; |
| | 1614 | }, |
| | 1615 | |
| | 1616 | insert: function(element, insertions) { |
| | 1617 | element = $(element); |
| | 1618 | |
| | 1619 | if (Object.isString(insertions) || Object.isNumber(insertions) || |
| | 1620 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
| | 1621 | insertions = {bottom:insertions}; |
| | 1622 | |
| | 1623 | var content, insert, tagName, childNodes; |
| | 1624 | |
| | 1625 | for (var position in insertions) { |
| | 1626 | content = insertions[position]; |
| | 1627 | position = position.toLowerCase(); |
| | 1628 | insert = Element._insertionTranslations[position]; |
| | 1629 | |
| | 1630 | if (content && content.toElement) content = content.toElement(); |
| | 1631 | if (Object.isElement(content)) { |
| | 1632 | insert(element, content); |
| | 1633 | continue; |
| | 1634 | } |
| | 1635 | |
| | 1636 | content = Object.toHTML(content); |
| | 1637 | |
| | 1638 | tagName = ((position == 'before' || position == 'after') |
| | 1639 | ? element.parentNode : element).tagName.toUpperCase(); |
| | 1640 | |
| | 1641 | childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
| | 1642 | |
| | 1643 | if (position == 'top' || position == 'after') childNodes.reverse(); |
| | 1644 | childNodes.each(insert.curry(element)); |
| | 1645 | |
| | 1646 | content.evalScripts.bind(content).defer(); |
| | 1647 | } |
| | 1648 | |
| | 1649 | return element; |
| | 1650 | }, |
| | 1651 | |
| | 1652 | wrap: function(element, wrapper, attributes) { |
| | 1653 | element = $(element); |
| | 1654 | if (Object.isElement(wrapper)) |
| | 1655 | $(wrapper).writeAttribute(attributes || { }); |
| | 1656 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); |
| | 1657 | else wrapper = new Element('div', wrapper); |
| | 1658 | if (element.parentNode) |
| | 1659 | element.parentNode.replaceChild(wrapper, element); |
| | 1660 | wrapper.appendChild(element); |
| | 1661 | return wrapper; |
| | 1662 | }, |
| | 1663 | |
| | 1664 | inspect: function(element) { |
| | 1665 | element = $(element); |
| | 1666 | var result = '<' + element.tagName.toLowerCase(); |
| | 1667 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
| | 1668 | var property = pair.first(), attribute = pair.last(); |
| | 1669 | var value = (element[property] || '').toString(); |
| | 1670 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
| | 1671 | }); |
| | 1672 | return result + '>'; |
| | 1673 | }, |
| | 1674 | |
| | 1675 | recursivelyCollect: function(element, property) { |
| | 1676 | element = $(element); |
| | 1677 | var elements = []; |
| | 1678 | while (element = element[property]) |
| | 1679 | if (element.nodeType == 1) |
| | 1680 | elements.push(Element.extend(element)); |
| | 1681 | return elements; |
| | 1682 | }, |
| | 1683 | |
| | 1684 | ancestors: function(element) { |
| | 1685 | return $(element).recursivelyCollect('parentNode'); |
| | 1686 | }, |
| | 1687 | |
| | 1688 | descendants: function(element) { |
| | 1689 | return $(element).select("*"); |
| | 1690 | }, |
| | 1691 | |
| | 1692 | firstDescendant: function(element) { |
| | 1693 | element = $(element).firstChild; |
| | 1694 | while (element && element.nodeType != 1) element = element.nextSibling; |
| | 1695 | return $(element); |
| | 1696 | }, |
| | 1697 | |
| | 1698 | immediateDescendants: function(element) { |
| | 1699 | if (!(element = $(element).firstChild)) return []; |
| | 1700 | while (element && element.nodeType != 1) element = element.nextSibling; |
| | 1701 | if (element) return [element].concat($(element).nextSiblings()); |
| | 1702 | return []; |
| | 1703 | }, |
| | 1704 | |
| | 1705 | previousSiblings: function(element) { |
| | 1706 | return $(element).recursivelyCollect('previousSibling'); |
| | 1707 | }, |
| | 1708 | |
| | 1709 | nextSiblings: function(element) { |
| | 1710 | return $(element).recursivelyCollect('nextSibling'); |
| | 1711 | }, |
| | 1712 | |
| | 1713 | siblings: function(element) { |
| | 1714 | element = $(element); |
| | 1715 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
| | 1716 | }, |
| | 1717 | |
| | 1718 | match: function(element, selector) { |
| | 1719 | if (Object.isString(selector)) |
| | 1720 | selector = new Selector(selector); |
| | 1721 | return selector.match($(element)); |
| | 1722 | }, |
| | 1723 | |
| | 1724 | up: function(element, expression, index) { |
| | 1725 | element = $(element); |
| | 1726 | if (arguments.length == 1) return $(element.parentNode); |
| | 1727 | var ancestors = element.ancestors(); |
| | 1728 | return Object.isNumber(expression) ? ancestors[expression] : |
| | 1729 | Selector.findElement(ancestors, expression, index); |
| | 1730 | }, |
| | 1731 | |
| | 1732 | down: function(element, expression, index) { |
| | 1733 | element = $(element); |
| | 1734 | if (arguments.length == 1) return element.firstDescendant(); |
| | 1735 | return Object.isNumber(expression) ? element.descendants()[expression] : |
| | 1736 | element.select(expression)[index || 0]; |
| | 1737 | }, |
| | 1738 | |
| | 1739 | previous: function(element, expression, index) { |
| | 1740 | element = $(element); |
| | 1741 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
| | 1742 | var previousSiblings = element.previousSiblings(); |
| | 1743 | return Object.isNumber(expression) ? previousSiblings[expression] : |
| | 1744 | Selector.findElement(previousSiblings, expression, index); |
| | 1745 | }, |
| | 1746 | |
| | 1747 | next: function(element, expression, index) { |
| | 1748 | element = $(element); |
| | 1749 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
| | 1750 | var nextSiblings = element.nextSiblings(); |
| | 1751 | return Object.isNumber(expression) ? nextSiblings[expression] : |
| | 1752 | Selector.findElement(nextSiblings, expression, index); |
| | 1753 | }, |
| | 1754 | |
| | 1755 | select: function() { |
| | 1756 | var args = $A(arguments), element = $(args.shift()); |
| | 1757 | return Selector.findChildElements(element, args); |
| | 1758 | }, |
| | 1759 | |
| | 1760 | adjacent: function() { |
| | 1761 | var args = $A(arguments), element = $(args.shift()); |
| | 1762 | return Selector.findChildElements(element.parentNode, args).without(element); |
| | 1763 | }, |
| | 1764 | |
| | 1765 | identify: function(element) { |
| | 1766 | element = $(element); |
| | 1767 | var id = element.readAttribute('id'), self = arguments.callee; |
| | 1768 | if (id) return id; |
| | 1769 | do { id = 'anonymous_element_' + self.counter++ } while ($(id)); |
| | 1770 | element.writeAttribute('id', id); |
| | 1771 | return id; |
| | 1772 | }, |
| | 1773 | |
| | 1774 | readAttribute: function(element, name) { |
| | 1775 | element = $(element); |
| | 1776 | if (Prototype.Browser.IE) { |
| | 1777 | var t = Element._attributeTranslations.read; |
| | 1778 | if (t.values[name]) return t.values[name](element, name); |
| | 1779 | if (t.names[name]) name = t.names[name]; |
| | 1780 | if (name.include(':')) { |
| | 1781 | return (!element.attributes || !element.attributes[name]) ? null : |
| | 1782 | element.attributes[name].value; |
| | 1783 | } |
| | 1784 | } |
| | 1785 | return element.getAttribute(name); |
| | 1786 | }, |
| | 1787 | |
| | 1788 | writeAttribute: function(element, name, value) { |
| | 1789 | element = $(element); |
| | 1790 | var attributes = { }, t = Element._attributeTranslations.write; |
| | 1791 | |
| | 1792 | if (typeof name == 'object') attributes = name; |
| | 1793 | else attributes[name] = Object.isUndefined(value) ? true : value; |
| | 1794 | |
| | 1795 | for (var attr in attributes) { |
| | 1796 | name = t.names[attr] || attr; |
| | 1797 | value = attributes[attr]; |
| | 1798 | if (t.values[attr]) name = t.values[attr](element, value); |
| | 1799 | if (value === false || value === null) |
| | 1800 | element.removeAttribute(name); |
| | 1801 | else if (value === true) |
| | 1802 | element.setAttribute(name, name); |
| | 1803 | else element.setAttribute(name, value); |
| | 1804 | } |
| | 1805 | return element; |
| | 1806 | }, |
| | 1807 | |
| | 1808 | getHeight: function(element) { |
| | 1809 | return $(element).getDimensions().height; |
| | 1810 | }, |
| | 1811 | |
| | 1812 | getWidth: function(element) { |
| | 1813 | return $(element).getDimensions().width; |
| | 1814 | }, |
| | 1815 | |
| | 1816 | classNames: function(element) { |
| | 1817 | return new Element.ClassNames(element); |
| | 1818 | }, |
| | 1819 | |
| | 1820 | hasClassName: function(element, className) { |
| | 1821 | if (!(element = $(element))) return; |
| | 1822 | var elementClassName = element.className; |
| | 1823 | return (elementClassName.length > 0 && (elementClassName == className || |
| | 1824 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); |
| | 1825 | }, |
| | 1826 | |
| | 1827 | addClassName: function(element, className) { |
| | 1828 | if (!(element = $(element))) return; |
| | 1829 | if (!element.hasClassName(className)) |
| | 1830 | element.className += (element.className ? ' ' : '') + className; |
| | 1831 | return element; |
| | 1832 | }, |
| | 1833 | |
| | 1834 | removeClassName: function(element, className) { |
| | 1835 | if (!(element = $(element))) return; |
| | 1836 | element.className = element.className.replace( |
| | 1837 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); |
| | 1838 | return element; |
| | 1839 | }, |
| | 1840 | |
| | 1841 | toggleClassName: function(element, className) { |
| | 1842 | if (!(element = $(element))) return; |
| | 1843 | return element[element.hasClassName(className) ? |
| | 1844 | 'removeClassName' : 'addClassName'](className); |
| | 1845 | }, |
| | 1846 | |
| | 1847 | // removes whitespace-only text node children |
| | 1848 | cleanWhitespace: function(element) { |
| | 1849 | element = $(element); |
| | 1850 | var node = element.firstChild; |
| | 1851 | while (node) { |
| | 1852 | var nextNode = node.nextSibling; |
| | 1853 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
| | 1854 | element.removeChild(node); |
| | 1855 | node = nextNode; |
| | 1856 | } |
| | 1857 | return element; |
| | 1858 | }, |
| | 1859 | |
| | 1860 | empty: function(element) { |
| | 1861 | return $(element).innerHTML.blank(); |
| | 1862 | }, |
| | 1863 | |
| | 1864 | descendantOf: function(element, ancestor) { |
| | 1865 | element = $(element), ancestor = $(ancestor); |
| | 1866 | var originalAncestor = ancestor; |
| | 1867 | |
| | 1868 | if (element.compareDocumentPosition) |
| | 1869 | return (element.compareDocumentPosition(ancestor) & 8) === 8; |
| | 1870 | |
| | 1871 | if (element.sourceIndex && !Prototype.Browser.Opera) { |
| | 1872 | var e = element.sourceIndex, a = ancestor.sourceIndex, |
| | 1873 | nextAncestor = ancestor.nextSibling; |
| | 1874 | if (!nextAncestor) { |
| | 1875 | do { ancestor = ancestor.parentNode; } |
| | 1876 | while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); |
| | 1877 | } |
| | 1878 | if (nextAncestor && nextAncestor.sourceIndex) |
| | 1879 | return (e > a && e < nextAncestor.sourceIndex); |
| | 1880 | } |
| | 1881 | |
| | 1882 | while (element = element.parentNode) |
| | 1883 | if (element == originalAncestor) return true; |
| | 1884 | return false; |
| | 1885 | }, |
| | 1886 | |
| | 1887 | scrollTo: function(element) { |
| | 1888 | element = $(element); |
| | 1889 | var pos = element.cumulativeOffset(); |
| | 1890 | window.scrollTo(pos[0], pos[1]); |
| | 1891 | return element; |
| | 1892 | }, |
| | 1893 | |
| | 1894 | getStyle: function(element, style) { |
| | 1895 | element = $(element); |
| | 1896 | style = style == 'float' ? 'cssFloat' : style.camelize(); |
| | 1897 | var value = element.style[style]; |
| | 1898 | if (!value) { |
| | 1899 | var css = document.defaultView.getComputedStyle(element, null); |
| | 1900 | value = css ? css[style] : null; |
| | 1901 | } |
| | 1902 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
| | 1903 | return value == 'auto' ? null : value; |
| | 1904 | }, |
| | 1905 | |
| | 1906 | getOpacity: function(element) { |
| | 1907 | return $(element).getStyle('opacity'); |
| | 1908 | }, |
| | 1909 | |
| | 1910 | setStyle: function(element, styles) { |
| | 1911 | element = $(element); |
| | 1912 | var elementStyle = element.style, match; |
| | 1913 | if (Object.isString(styles)) { |
| | 1914 | element.style.cssText += ';' + styles; |
| | 1915 | return styles.include('opacity') ? |
| | 1916 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; |
| | 1917 | } |
| | 1918 | for (var property in styles) |
| | 1919 | if (property == 'opacity') element.setOpacity(styles[property]); |
| | 1920 | else |
| | 1921 | elementStyle[(property == 'float' || property == 'cssFloat') ? |
| | 1922 | (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : |
| | 1923 | property] = styles[property]; |
| | 1924 | |
| | 1925 | return element; |
| | 1926 | }, |
| | 1927 | |
| | 1928 | setOpacity: function(element, value) { |
| | 1929 | element = $(element); |
| | 1930 | element.style.opacity = (value == 1 || value === '') ? '' : |
| | 1931 | (value < 0.00001) ? 0 : value; |
| | 1932 | return element; |
| | 1933 | }, |
| | 1934 | |
| | 1935 | getDimensions: function(element) { |
| | 1936 | element = $(element); |
| | 1937 | var display = $(element).getStyle('display'); |
| | 1938 | if (display != 'none' && display != null) // Safari bug |
| | 1939 | return {width: element.offsetWidth, height: element.offsetHeight}; |
| | 1940 | |
| | 1941 | // All *Width and *Height properties give 0 on elements with display none, |
| | 1942 | // so enable the element temporarily |
| | 1943 | var els = element.style; |
| | 1944 | var originalVisibility = els.visibility; |
| | 1945 | var originalPosition = els.position; |
| | 1946 | var originalDisplay = els.display; |
| | 1947 | els.visibility = 'hidden'; |
| | 1948 | els.position = 'absolute'; |
| | 1949 | els.display = 'block'; |
| | 1950 | var originalWidth = element.clientWidth; |
| | 1951 | var originalHeight = element.clientHeight; |
| | 1952 | els.display = originalDisplay; |
| | 1953 | els.position = originalPosition; |
| | 1954 | els.visibility = originalVisibility; |
| | 1955 | return {width: originalWidth, height: originalHeight}; |
| | 1956 | }, |
| | 1957 | |
| | 1958 | makePositioned: function(element) { |
| | 1959 | element = $(element); |
| | 1960 | var pos = Element.getStyle(element, 'position'); |
| | 1961 | if (pos == 'static' || !pos) { |
| | 1962 | element._madePositioned = true; |
| | 1963 | element.style.position = 'relative'; |
| | 1964 | // Opera returns the offset relative to the positioning context, when an |
| | 1965 | // element is position relative but top and left have not been defined |
| | 1966 | if (window.opera) { |
| | 1967 | element.style.top = 0; |
| | 1968 | element.style.left = 0; |
| | 1969 | } |
| | 1970 | } |
| | 1971 | return element; |
| | 1972 | }, |
| | 1973 | |
| | 1974 | undoPositioned: function(element) { |
| | 1975 | element = $(element); |
| | 1976 | if (element._madePositioned) { |
| | 1977 | element._madePositioned = undefined; |
| | 1978 | element.style.position = |
| | 1979 | element.style.top = |
| | 1980 | element.style.left = |
| | 1981 | element.style.bottom = |
| | 1982 | element.style.right = ''; |
| | 1983 | } |
| | 1984 | return element; |
| | 1985 | }, |
| | 1986 | |
| | 1987 | makeClipping: function(element) { |
| | 1988 | element = $(element); |
| | 1989 | if (element._overflow) return element; |
| | 1990 | element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
| | 1991 | if (element._overflow !== 'hidden') |
| | 1992 | element.style.overflow = 'hidden'; |
| | 1993 | return element; |
| | 1994 | }, |
| | 1995 | |
| | 1996 | undoClipping: function(element) { |
| | 1997 | element = $(element); |
| | 1998 | if (!element._overflow) return element; |
| | 1999 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
| | 2000 | element._overflow = null; |
| | 2001 | return element; |
| | 2002 | }, |
| | 2003 | |
| | 2004 | cumulativeOffset: function(element) { |
| | 2005 | var valueT = 0, valueL = 0; |
| | 2006 | do { |
| | 2007 | valueT += element.offsetTop || 0; |
| | 2008 | valueL += element.offsetLeft || 0; |
| | 2009 | element = element.offsetParent; |
| | 2010 | } while (element); |
| | 2011 | return Element._returnOffset(valueL, valueT); |
| | 2012 | }, |
| | 2013 | |
| | 2014 | positionedOffset: function(element) { |
| | 2015 | var valueT = 0, valueL = 0; |
| | 2016 | do { |
| | 2017 | valueT += element.offsetTop || 0; |
| | 2018 | valueL += element.offsetLeft || 0; |
| | 2019 | element = element.offsetParent; |
| | 2020 | if (element) { |
| | 2021 | if (element.tagName == 'BODY') break; |
| | 2022 | var p = Element.getStyle(element, 'position'); |
| | 2023 | if (p !== 'static') break; |
| | 2024 | } |
| | 2025 | } while (element); |
| | 2026 | return Element._returnOffset(valueL, valueT); |
| | 2027 | }, |
| | 2028 | |
| | 2029 | absolutize: function(element) { |
| | 2030 | element = $(element); |
| | 2031 | if (element.getStyle('position') == 'absolute') return; |
| | 2032 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
| | 2033 | |
| | 2034 | var offsets = element.positionedOffset(); |
| | 2035 | var top = offsets[1]; |
| | 2036 | var left = offsets[0]; |
| | 2037 | var width = element.clientWidth; |
| | 2038 | var height = element.clientHeight; |
| | 2039 | |
| | 2040 | element._originalLeft = left - parseFloat(element.style.left || 0); |
| | 2041 | element._originalTop = top - parseFloat(element.style.top || 0); |
| | 2042 | element._originalWidth = element.style.width; |
| | 2043 | element._originalHeight = element.style.height; |
| | 2044 | |
| | 2045 | element.style.position = 'absolute'; |
| | 2046 | element.style.top = top + 'px'; |
| | 2047 | element.style.left = left + 'px'; |
| | 2048 | element.style.width = width + 'px'; |
| | 2049 | element.style.height = height + 'px'; |
| | 2050 | return element; |
| | 2051 | }, |
| | 2052 | |
| | 2053 | relativize: function(element) { |
| | 2054 | element = $(element); |
| | 2055 | if (element.getStyle('position') == 'relative') return; |
| | 2056 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
| | 2057 | |
| | 2058 | element.style.position = 'relative'; |
| | 2059 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
| | 2060 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
| | 2061 | |
| | 2062 | element.style.top = top + 'px'; |
| | 2063 | element.style.left = left + 'px'; |
| | 2064 | element.style.height = element._originalHeight; |
| | 2065 | element.style.width = element._originalWidth; |
| | 2066 | return element; |
| | 2067 | }, |
| | 2068 | |
| | 2069 | cumulativeScrollOffset: function(element) { |
| | 2070 | var valueT = 0, valueL = 0; |
| | 2071 | do { |
| | 2072 | valueT += element.scrollTop || 0; |
| | 2073 | valueL += element.scrollLeft || 0; |
| | 2074 | element = element.parentNode; |
| | 2075 | } while (element); |
| | 2076 | return Element._returnOffset(valueL, valueT); |
| | 2077 | }, |
| | 2078 | |
| | 2079 | getOffsetParent: function(element) { |
| | 2080 | if (element.offsetParent) return $(element.offsetParent); |
| | 2081 | if (element == document.body) return $(element); |
| | 2082 | |
| | 2083 | while ((element = element.parentNode) && element != document.body) |
| | 2084 | if (Element.getStyle(element, 'position') != 'static') |
| | 2085 | return $(element); |
| | 2086 | |
| | 2087 | return $(document.body); |
| | 2088 | }, |
| | 2089 | |
| | 2090 | viewportOffset: function(forElement) { |
| | 2091 | var valueT = 0, valueL = 0; |
| | 2092 | |
| | 2093 | var element = forElement; |
| | 2094 | do { |
| | 2095 | valueT += element.offsetTop || 0; |
| | 2096 | valueL += element.offsetLeft || 0; |
| | 2097 | |
| | 2098 | // Safari fix |
| | 2099 | if (element.offsetParent == document.body && |
| | 2100 | Element.getStyle(element, 'position') == 'absolute') break; |
| | 2101 | |
| | 2102 | } while (element = element.offsetParent); |
| | 2103 | |
| | 2104 | element = forElement; |
| | 2105 | do { |
| | 2106 | if (!Prototype.Browser.Opera || element.tagName == 'BODY') { |
| | 2107 | valueT -= element.scrollTop || 0; |
| | 2108 | valueL -= element.scrollLeft || 0; |
| | 2109 | } |
| | 2110 | } while (element = element.parentNode); |
| | 2111 | |
| | 2112 | return Element._returnOffset(valueL, valueT); |
| | 2113 | }, |
| | 2114 | |
| | 2115 | clonePosition: function(element, source) { |
| | 2116 | var options = Object.extend({ |
| | 2117 | setLeft: true, |
| | 2118 | setTop: true, |
| | 2119 | setWidth: true, |
| | 2120 | setHeight: true, |
| | 2121 | offsetTop: 0, |
| | 2122 | offsetLeft: 0 |
| | 2123 | }, arguments[2] || { }); |
| | 2124 | |
| | 2125 | // find page position of source |
| | 2126 | source = $(source); |
| | 2127 | var p = source.viewportOffset(); |
| | 2128 | |
| | 2129 | // find coordinate system to use |
| | 2130 | element = $(element); |
| | 2131 | var delta = [0, 0]; |
| | 2132 | var parent = null; |
| | 2133 | // delta [0,0] will do fine with position: fixed elements, |
| | 2134 | // position:absolute needs offsetParent deltas |
| | 2135 | if (Element.getStyle(element, 'position') == 'absolute') { |
| | 2136 | parent = element.getOffsetParent(); |
| | 2137 | delta = parent.viewportOffset(); |
| | 2138 | } |
| | 2139 | |
| | 2140 | // correct by body offsets (fixes Safari) |
| | 2141 | if (parent == document.body) { |
| | 2142 | delta[0] -= document.body.offsetLeft; |
| | 2143 | delta[1] -= document.body.offsetTop; |
| | 2144 | } |
| | 2145 | |
| | 2146 | // set position |
| | 2147 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
| | 2148 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
| | 2149 | if (options.setWidth) element.style.width = source.offsetWidth + 'px'; |
| | 2150 | if (options.setHeight) element.style.height = source.offsetHeight + 'px'; |
| | 2151 | return element; |
| | 2152 | } |
| 1320 | | Element.extend.cache = { |
| 1321 | | findOrStore: function(value) { |
| 1322 | | return this[value] = this[value] || function() { |
| 1323 | | return value.apply(null, [this].concat($A(arguments))); |
| 1324 | | } |
| 1325 | | } |
| | 2172 | if (Prototype.Browser.Opera) { |
| | 2173 | Element.Methods.getStyle = Element.Methods.getStyle.wrap( |
| | 2174 | function(proceed, element, style) { |
| | 2175 | switch (style) { |
| | 2176 | case 'left': case 'top': case 'right': case 'bottom': |
| | 2177 | if (proceed(element, 'position') === 'static') return null; |
| | 2178 | case 'height': case 'width': |
| | 2179 | // returns '0px' for hidden elements; we want it to return null |
| | 2180 | if (!Element.visible(element)) return null; |
| | 2181 | |
| | 2182 | // returns the border-box dimensions rather than the content-box |
| | 2183 | // dimensions, so we subtract padding and borders from the value |
| | 2184 | var dim = parseInt(proceed(element, style), 10); |
| | 2185 | |
| | 2186 | if (dim !== element['offset' + style.capitalize()]) |
| | 2187 | return dim + 'px'; |
| | 2188 | |
| | 2189 | var properties; |
| | 2190 | if (style === 'height') { |
| | 2191 | properties = ['border-top-width', 'padding-top', |
| | 2192 | 'padding-bottom', 'border-bottom-width']; |
| | 2193 | } |
| | 2194 | else { |
| | 2195 | properties = ['border-left-width', 'padding-left', |
| | 2196 | 'padding-right', 'border-right-width']; |
| | 2197 | } |
| | 2198 | return properties.inject(dim, function(memo, property) { |
| | 2199 | var val = proceed(element, property); |
| | 2200 | return val === null ? memo : memo - parseInt(val, 10); |
| | 2201 | }) + 'px'; |
| | 2202 | default: return proceed(element, style); |
| | 2203 | } |
| | 2204 | } |
| | 2205 | ); |
| | 2206 | |
| | 2207 | Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( |
| | 2208 | function(proceed, element, attribute) { |
| | 2209 | if (attribute === 'title') return element.title; |
| | 2210 | return proceed(element, attribute); |
| | 2211 | } |
| | 2212 | ); |
| | 2213 | } |
| | 2214 | |
| | 2215 | else if (Prototype.Browser.IE) { |
| | 2216 | // IE doesn't report offsets correctly for static elements, so we change them |
| | 2217 | // to "relative" to get the values, then change them back. |
| | 2218 | Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( |
| | 2219 | function(proceed, element) { |
| | 2220 | element = $(element); |
| | 2221 | var position = element.getStyle('position'); |
| | 2222 | if (position !== 'static') return proceed(element); |
| | 2223 | element.setStyle({ position: 'relative' }); |
| | 2224 | var value = proceed(element); |
| | 2225 | element.setStyle({ position: position }); |
| | 2226 | return value; |
| | 2227 | } |
| | 2228 | ); |
| | 2229 | |
| | 2230 | $w('positionedOffset viewportOffset').each(function(method) { |
| | 2231 | Element.Methods[method] = Element.Methods[method].wrap( |
| | 2232 | function(proceed, element) { |
| | 2233 | element = $(element); |
| | 2234 | var position = element.getStyle('position'); |
| | 2235 | if (position !== 'static') return proceed(element); |
| | 2236 | // Trigger hasLayout on the offset parent so that IE6 reports |
| | 2237 | // accurate offsetTop and offsetLeft values for position: fixed. |
| | 2238 | var offsetParent = element.getOffsetParent(); |
| | 2239 | if (offsetParent && offsetParent.getStyle('position') === 'fixed') |
| | 2240 | offsetParent.setStyle({ zoom: 1 }); |
| | 2241 | element.setStyle({ position: 'relative' }); |
| | 2242 | var value = proceed(element); |
| | 2243 | element.setStyle({ position: position }); |
| | 2244 | return value; |
| | 2245 | } |
| | 2246 | ); |
| | 2247 | }); |
| | 2248 | |
| | 2249 | Element.Methods.getStyle = function(element, style) { |
| | 2250 | element = $(element); |
| | 2251 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
| | 2252 | var value = element.style[style]; |
| | 2253 | if (!value && element.currentStyle) value = element.currentStyle[style]; |
| | 2254 | |
| | 2255 | if (style == 'opacity') { |
| | 2256 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
| | 2257 | if (value[1]) return parseFloat(value[1]) / 100; |
| | 2258 | return 1.0; |
| | 2259 | } |
| | 2260 | |
| | 2261 | if (value == 'auto') { |
| | 2262 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
| | 2263 | return element['offset' + style.capitalize()] + 'px'; |
| | 2264 | return null; |
| | 2265 | } |
| | 2266 | return value; |
| | 2267 | }; |
| | 2268 | |
| | 2269 | Element.Methods.setOpacity = function(element, value) { |
| | 2270 | function stripAlpha(filter){ |
| | 2271 | return filter.replace(/alpha\([^\)]*\)/gi,''); |
| | 2272 | } |
| | 2273 | element = $(element); |
| | 2274 | var currentStyle = element.currentStyle; |
| | 2275 | if ((currentStyle && !currentStyle.hasLayout) || |
| | 2276 | (!currentStyle && element.style.zoom == 'normal')) |
| | 2277 | element.style.zoom = 1; |
| | 2278 | |
| | 2279 | var filter = element.getStyle('filter'), style = element.style; |
| | 2280 | if (value == 1 || value === '') { |
| | 2281 | (filter = stripAlpha(filter)) ? |
| | 2282 | style.filter = filter : style.removeAttribute('filter'); |
| | 2283 | return element; |
| | 2284 | } else if (value < 0.00001) value = 0; |
| | 2285 | style.filter = stripAlpha(filter) + |
| | 2286 | 'alpha(opacity=' + (value * 100) + ')'; |
| | 2287 | return element; |
| | 2288 | }; |
| | 2289 | |
| | 2290 | Element._attributeTranslations = { |
| | 2291 | read: { |
| | 2292 | names: { |
| | 2293 | 'class': 'className', |
| | 2294 | 'for': 'htmlFor' |
| | 2295 | }, |
| | 2296 | values: { |
| | 2297 | _getAttr: function(element, attribute) { |
| | 2298 | return element.getAttribute(attribute, 2); |
| | 2299 | }, |
| | 2300 | _getAttrNode: function(element, attribute) { |
| | 2301 | var node = element.getAttributeNode(attribute); |
| | 2302 | return node ? node.value : ""; |
| | 2303 | }, |
| | 2304 | _getEv: function(element, attribute) { |
| | 2305 | attribute = element.getAttribute(attribute); |
| | 2306 | return attribute ? attribute.toString().slice(23, -2) : null; |
| | 2307 | }, |
| | 2308 | _flag: function(element, attribute) { |
| | 2309 | return $(element).hasAttribute(attribute) ? attribute : null; |
| | 2310 | }, |
| | 2311 | style: function(element) { |
| | 2312 | return element.style.cssText.toLowerCase(); |
| | 2313 | }, |
| | 2314 | title: function(element) { |
| | 2315 | return element.title; |
| | 2316 | } |
| | 2317 | } |
| | 2318 | } |
| | 2319 | }; |
| | 2320 | |
| | 2321 | Element._attributeTranslations.write = { |
| | 2322 | names: Object.extend({ |
| | 2323 | cellpadding: 'cellPadding', |
| | 2324 | cellspacing: 'cellSpacing' |
| | 2325 | }, Element._attributeTranslations.read.names), |
| | 2326 | values: { |
| | 2327 | checked: function(element, value) { |
| | 2328 | element.checked = !!value; |
| | 2329 | }, |
| | 2330 | |
| | 2331 | style: function(element, value) { |
| | 2332 | element.style.cssText = value ? value : ''; |
| | 2333 | } |
| | 2334 | } |
| | 2335 | }; |
| | 2336 | |
| | 2337 | Element._attributeTranslations.has = {}; |
| | 2338 | |
| | 2339 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + |
| | 2340 | 'encType maxLength readOnly longDesc').each(function(attr) { |
| | 2341 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; |
| | 2342 | Element._attributeTranslations.has[attr.toLowerCase()] = attr; |
| | 2343 | }); |
| | 2344 | |
| | 2345 | (function(v) { |
| | 2346 | Object.extend(v, { |
| | 2347 | href: v._getAttr, |
| | 2348 | src: v._getAttr, |
| | 2349 | type: v._getAttr, |
| | 2350 | action: v._getAttrNode, |
| | 2351 | disabled: v._flag, |
| | 2352 | checked: v._flag, |
| | 2353 | readonly: v._flag, |
| | 2354 | multiple: v._flag, |
| | 2355 | onload: v._getEv, |
| | 2356 | onunload: v._getEv, |
| | 2357 | onclick: v._getEv, |
| | 2358 | ondblclick: v._getEv, |
| | 2359 | onmousedown: v._getEv, |
| | 2360 | onmouseup: v._getEv, |
| | 2361 | onmouseover: v._getEv, |
| | 2362 | onmousemove: v._getEv, |
| | 2363 | onmouseout: v._getEv, |
| | 2364 | onfocus: v._getEv, |
| | 2365 | onblur: v._getEv, |
| | 2366 | onkeypress: v._getEv, |
| | 2367 | onkeydown: v._getEv, |
| | 2368 | onkeyup: v._getEv, |
| | 2369 | onsubmit: v._getEv, |
| | 2370 | onreset: v._getEv, |
| | 2371 | onselect: v._getEv, |
| | 2372 | onchange: v._getEv |
| | 2373 | }); |
| | 2374 | })(Element._attributeTranslations.read.values); |
| | 2375 | } |
| | 2376 | |
| | 2377 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { |
| | 2378 | Element.Methods.setOpacity = function(element, value) { |
| | 2379 | element = $(element); |
| | 2380 | element.style.opacity = (value == 1) ? 0.999999 : |
| | 2381 | (value === '') ? '' : (value < 0.00001) ? 0 : value; |
| | 2382 | return element; |
| | 2383 | }; |
| | 2384 | } |
| | 2385 | |
| | 2386 | else if (Prototype.Browser.WebKit) { |
| | 2387 | Element.Methods.setOpacity = function(element, value) { |
| | 2388 | element = $(element); |
| | 2389 | element.style.opacity = (value == 1 || value === '') ? '' : |
| | 2390 | (value < 0.00001) ? 0 : value; |
| | 2391 | |
| | 2392 | if (value == 1) |
| | 2393 | if(element.tagName == 'IMG' && element.width) { |
| | 2394 | element.width++; element.width--; |
| | 2395 | } else try { |
| | 2396 | var n = document.createTextNode(' '); |
| | 2397 | element.appendChild(n); |
| | 2398 | element.removeChild(n); |
| | 2399 | } catch (e) { } |
| | 2400 | |
| | 2401 | return element; |
| | 2402 | }; |
| | 2403 | |
| | 2404 | // Safari returns margins on body which is incorrect if the child is absolutely |
| | 2405 | // positioned. For performance reasons, redefine Element#cumulativeOffset for |
| | 2406 | // KHTML/WebKit only. |
| | 2407 | Element.Methods.cumulativeOffset = function(element) { |
| | 2408 | var valueT = 0, valueL = 0; |
| | 2409 | do { |
| | 2410 | valueT += element.offsetTop || 0; |
| | 2411 | valueL += element.offsetLeft || 0; |
| | 2412 | if (element.offsetParent == document.body) |
| | 2413 | if (Element.getStyle(element, 'position') == 'absolute') break; |
| | 2414 | |
| | 2415 | element = element.offsetParent; |
| | 2416 | } while (element); |
| | 2417 | |
| | 2418 | return Element._returnOffset(valueL, valueT); |
| | 2419 | }; |
| | 2420 | } |
| | 2421 | |
| | 2422 | if (Prototype.Browser.IE || Prototype.Browser.Opera) { |
| | 2423 | // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements |
| | 2424 | Element.Methods.update = function(element, content) { |
| | 2425 | element = $(element); |
| | 2426 | |
| | 2427 | if (content && content.toElement) content = content.toElement(); |
| | 2428 | if (Object.isElement(content)) return element.update().insert(content); |
| | 2429 | |
| | 2430 | content = Object.toHTML(content); |
| | 2431 | var tagName = element.tagName.toUpperCase(); |
| | 2432 | |
| | 2433 | if (tagName in Element._insertionTranslations.tags) { |
| | 2434 | $A(element.childNodes).each(function(node) { element.removeChild(node) }); |
| | 2435 | Element._getContentFromAnonymousElement(tagName, content.stripScripts()) |
| | 2436 | .each(function(node) { element.appendChild(node) }); |
| | 2437 | } |
| | 2438 | else element.innerHTML = content.stripScripts(); |
| | 2439 | |
| | 2440 | content.evalScripts.bind(content).defer(); |
| | 2441 | return element; |
| | 2442 | }; |
| | 2443 | } |
| | 2444 | |
| | 2445 | if ('outerHTML' in document.createElement('div')) { |
| | 2446 | Element.Methods.replace = function(element, content) { |
| | 2447 | element = $(element); |
| | 2448 | |
| | 2449 | if (content && content.toElement) content = content.toElement(); |
| | 2450 | if (Object.isElement(content)) { |
| | 2451 | element.parentNode.replaceChild(content, element); |
| | 2452 | return element; |
| | 2453 | } |
| | 2454 | |
| | 2455 | content = Object.toHTML(content); |
| | 2456 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); |
| | 2457 | |
| | 2458 | if (Element._insertionTranslations.tags[tagName]) { |
| | 2459 | var nextSibling = element.next(); |
| | 2460 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
| | 2461 | parent.removeChild(element); |
| | 2462 | if (nextSibling) |
| | 2463 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); |
| | 2464 | else |
| | 2465 | fragments.each(function(node) { parent.appendChild(node) }); |
| | 2466 | } |
| | 2467 | else element.outerHTML = content.stripScripts(); |
| | 2468 | |
| | 2469 | content.evalScripts.bind(content).defer(); |
| | 2470 | return element; |
| | 2471 | }; |
| | 2472 | } |
| | 2473 | |
| | 2474 | Element._returnOffset = function(l, t) { |
| | 2475 | var result = [l, t]; |
| | 2476 | result.left = l; |
| | 2477 | result.top = t; |
| | 2478 | return result; |
| 1328 | | Element.Methods = { |
| 1329 | | visible: function(element) { |
| 1330 | | return $(element).style.display != 'none'; |
| 1331 | | }, |
| 1332 | | |
| 1333 | | toggle: function(element) { |
| 1334 | | element = $(element); |
| 1335 | | Element[Element.visible(element) ? 'hide' : 'show'](element); |
| 1336 | | return element; |
| 1337 | | }, |
| 1338 | | |
| 1339 | | hide: function(element) { |
| 1340 | | $(element).style.display = 'none'; |
| 1341 | | return element; |
| 1342 | | }, |
| 1343 | | |
| 1344 | | show: function(element) { |
| 1345 | | $(element).style.display = ''; |
| 1346 | | return element; |
| 1347 | | }, |
| 1348 | | |
| 1349 | | remove: function(element) { |
| 1350 | | element = $(element); |
| 1351 | | element.parentNode.removeChild(element); |
| 1352 | | return element; |
| 1353 | | }, |
| 1354 | | |
| 1355 | | update: function(element, html) { |
| 1356 | | html = typeof html == 'undefined' ? '' : html.toString(); |
| 1357 | | $(element).innerHTML = html.stripScripts(); |
| 1358 | | setTimeout(function() {html.evalScripts()}, 10); |
| 1359 | | return element; |
| 1360 | | }, |
| 1361 | | |
| 1362 | | replace: function(element, html) { |
| 1363 | | element = $(element); |
| 1364 | | html = typeof html == 'undefined' ? '' : html.toString(); |
| 1365 | | if (element.outerHTML) { |
| 1366 | | element.outerHTML = html.stripScripts(); |
| 1367 | | } else { |
| 1368 | | var range = element.ownerDocument.createRange(); |
| 1369 | | range.selectNodeContents(element); |
| 1370 | | element.parentNode.replaceChild( |
| 1371 | | range.createContextualFragment(html.stripScripts()), element); |
| 1372 | | } |
| 1373 | | setTimeout(function() {html.evalScripts()}, 10); |
| 1374 | | return element; |
| 1375 | | }, |
| 1376 | | |
| 1377 | | inspect: function(element) { |
| 1378 | | element = $(element); |
| 1379 | | var result = '<' + element.tagName.toLowerCase(); |
| 1380 | | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
| 1381 | | var property = pair.first(), attribute = pair.last(); |
| 1382 | | var value = (element[property] || '').toString(); |
| 1383 | | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
| 1384 | | }); |
| 1385 | | return result + '>'; |
| 1386 | | }, |
| 1387 | | |
| 1388 | | recursivelyCollect: function(element, property) { |
| 1389 | | element = $(element); |
| 1390 | | var elements = []; |
| 1391 | | while (element = element[property]) |
| 1392 | | if (element.nodeType == 1) |
| 1393 | | elements.push(Element.extend(element)); |
| 1394 | | return elements; |
| 1395 | | }, |
| 1396 | | |
| 1397 | | ancestors: function(element) { |
| 1398 | | return $(element).recursivelyCollect('parentNode'); |
| 1399 | | }, |
| 1400 | | |
| 1401 | | descendants: function(element) { |
| 1402 | | return $A($(element).getElementsByTagName('*')).each(Element.extend); |
| 1403 | | }, |
| 1404 | | |
| 1405 | | firstDescendant: function(element) { |
| 1406 | | element = $(element).firstChild; |
| 1407 | | while (element && element.nodeType != 1) element = element.nextSibling; |
| 1408 | | return $(element); |
| 1409 | | }, |
| 1410 | | |
| 1411 | | immediateDescendants: function(element) { |
| 1412 | | if (!(element = $(element).firstChild)) return []; |
| 1413 | | while (element && element.nodeType != 1) element = element.nextSibling; |
| 1414 | | if (element) return [element].concat($(element).nextSiblings()); |
| 1415 | | return []; |
| 1416 | | }, |
| 1417 | | |
| 1418 | | previousSiblings: function(element) { |
| 1419 | | return $(element).recursivelyCollect('previousSibling'); |
| 1420 | | }, |
| 1421 | | |
| 1422 | | nextSiblings: function(element) { |
| 1423 | | return $(element).recursivelyCollect('nextSibling'); |
| 1424 | | }, |
| 1425 | | |
| 1426 | | siblings: function(element) { |
| 1427 | | element = $(element); |
| 1428 | | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
| 1429 | | }, |
| 1430 | | |
| 1431 | | match: function(element, selector) { |
| 1432 | | if (typeof selector == 'string') |
| 1433 | | selector = new Selector(selector); |
| 1434 | | return selector.match($(element)); |
| 1435 | | }, |
| 1436 | | |
| 1437 | | up: function(element, expression, index) { |
| 1438 | | element = $(element); |
| 1439 | | if (arguments.length == 1) return $(element.parentNode); |
| 1440 | | var ancestors = element.ancestors(); |
| 1441 | | return expression ? Selector.findElement(ancestors, expression, index) : |
| 1442 | | ancestors[index || 0]; |
| 1443 | | }, |
| 1444 | | |
| 1445 | | down: function(element, expression, index) { |
| 1446 | | element = $(element); |
| 1447 | | if (arguments.length == 1) return element.firstDescendant(); |
| 1448 | | var descendants = element.descendants(); |
| 1449 | | return expression ? Selector.findElement(descendants, expression, index) : |
| 1450 | | descendants[index || 0]; |
| 1451 | | }, |
| 1452 | | |
| 1453 | | previous: function(element, expression, index) { |
| 1454 | | element = $(element); |
| 1455 | | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
| 1456 | | var previousSiblings = element.previousSiblings(); |
| 1457 | | return expression ? Selector.findElement(previousSiblings, expression, index) : |
| 1458 | | previousSiblings[index || 0]; |
| 1459 | | }, |
| 1460 | | |
| 1461 | | next: function(element, expression, index) { |
| 1462 | | element = $(element); |
| 1463 | | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
| 1464 | | var nextSiblings = element.nextSiblings(); |
| 1465 | | return expression ? Selector.findElement(nextSiblings, expression, index) : |
| 1466 | | nextSiblings[index || 0]; |
| 1467 | | }, |
| 1468 | | |
| 1469 | | getElementsBySelector: function() { |
| 1470 | | var args = $A(arguments), element = $(args.shift()); |
| 1471 | | return Selector.findChildElements(element, args); |
| 1472 | | }, |
| 1473 | | |
| 1474 | | getElementsByClassName: function(element, className) { |
| 1475 | | return document.getElementsByClassName(className, element); |
| 1476 | | }, |
| 1477 | | |
| 1478 | | readAttribute: function(element, name) { |
| 1479 | | element = $(element); |
| 1480 | | if (Prototype.Browser.IE) { |
| 1481 | | if (!element.attributes) return null; |
| 1482 | | var t = Element._attributeTranslations; |
| 1483 | | if (t.values[name]) return t.values[name](element, name); |
| 1484 | | if (t.names[name]) name = t.names[name]; |
| 1485 | | var attribute = element.attributes[name]; |
| 1486 | | return attribute ? attribute.nodeValue : null; |
| 1487 | | } |
| 1488 | | return element.getAttribute(name); |
| 1489 | | }, |
| 1490 | | |
| 1491 | | getHeight: function(element) { |
| 1492 | | return $(element).getDimensions().height; |
| 1493 | | }, |
| 1494 | | |
| 1495 | | getWidth: function(element) { |
| 1496 | | return $(element).getDimensions().width; |
| 1497 | | }, |
| 1498 | | |
| 1499 | | classNames: function(element) { |
| 1500 | | return new Element.ClassNames(element); |
| 1501 | | }, |
| 1502 | | |
| 1503 | | hasClassName: function(element, className) { |
| 1504 | | if (!(element = $(element))) return; |
| 1505 | | var elementClassName = element.className; |
| 1506 | | if (elementClassName.length == 0) return false; |
| 1507 | | if (elementClassName == className || |
| 1508 | | elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
| 1509 | | return true; |
| 1510 | | return false; |
| 1511 | | }, |
| 1512 | | |
| 1513 | | addClassName: function(element, className) { |
| 1514 | | if (!(element = $(element))) return; |
| 1515 | | Element.classNames(element).add(className); |
| 1516 | | return element; |
| 1517 | | }, |
| 1518 | | |
| 1519 | | removeClassName: function(element, className) { |
| 1520 | | if (!(element = $(element))) return; |
| 1521 | | Element.classNames(element).remove(className); |
| 1522 | | return element; |
| 1523 | | }, |
| 1524 | | |
| 1525 | | toggleClassName: function(element, className) { |
| 1526 | | if (!(element = $(element))) return; |
| 1527 | | Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); |
| 1528 | | return element; |
| 1529 | | }, |
| 1530 | | |
| 1531 | | observe: function() { |
| 1532 | | Event.observe.apply(Event, arguments); |
| 1533 | | return $A(arguments).first(); |
| 1534 | | }, |
| 1535 | | |
| 1536 | | stopObserving: function() { |
| 1537 | | Event.stopObserving.apply(Event, arguments); |
| 1538 | | return $A(arguments).first(); |
| 1539 | | }, |
| 1540 | | |
| 1541 | | // removes whitespace-only text node children |
| 1542 | | cleanWhitespace: function(element) { |
| 1543 | | element = $(element); |
| 1544 | | var node = element.firstChild; |
| 1545 | | while (node) { |
| 1546 | | var nextNode = node.nextSibling; |
| 1547 | | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
| 1548 | | element.removeChild(node); |
| 1549 | | node = nextNode; |
| 1550 | | } |
| 1551 | | return element; |
| 1552 | | }, |
| 1553 | | |
| 1554 | | empty: function(element) { |
| 1555 | | return $(element).innerHTML.blank(); |
| 1556 | | }, |
| 1557 | | |
| 1558 | | descendantOf: function(element, ancestor) { |
| 1559 | | element = $(element), ancestor = $(ancestor); |
| 1560 | | while (element = element.parentNode) |
| 1561 | | if (element == ancestor) return true; |
| 1562 | | return false; |
| 1563 | | }, |
| 1564 | | |
| 1565 | | scrollTo: function(element) { |
| 1566 | | element = $(element); |
| 1567 | | var pos = Position.cumulativeOffset(element); |
| 1568 | | window.scrollTo(pos[0], pos[1]); |
| 1569 | | return element; |
| 1570 | | }, |
| 1571 | | |
| 1572 | | getStyle: function(element, style) { |
| 1573 | | element = $(element); |
| 1574 | | style = style == 'float' ? 'cssFloat' : style.camelize(); |
| 1575 | | var value = element.style[style]; |
| 1576 | | if (!value) { |
| 1577 | | var css = document.defaultView.getComputedStyle(element, null); |
| 1578 | | value = css ? css[style] : null; |
| 1579 | | } |
| 1580 | | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
| 1581 | | return value == 'auto' ? null : value; |
| 1582 | | }, |
| 1583 | | |
| 1584 | | getOpacity: function(element) { |
| 1585 | | return $(element).getStyle('opacity'); |
| 1586 | | }, |
| 1587 | | |
| 1588 | | setStyle: function(element, styles, camelized) { |
| 1589 | | element = $(element); |
| 1590 | | var elementStyle = element.style; |
| 1591 | | |
| 1592 | | for (var property in styles) |
| 1593 | | if (property == 'opacity') element.setOpacity(styles[property]) |
| 1594 | | else |
| 1595 | | elementStyle[(property == 'float' || property == 'cssFloat') ? |
| 1596 | | (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : |
| 1597 | | (camelized ? property : property.camelize())] = styles[property]; |
| 1598 | | |
| 1599 | | return element; |
| 1600 | | }, |
| 1601 | | |
| 1602 | | setOpacity: function(element, value) { |
| 1603 | | element = $(element); |
| 1604 | | element.style.opacity = (value == 1 || value === '') ? '' : |
| 1605 | | (value < 0.00001) ? 0 : value; |
| 1606 | | return element; |
| 1607 | | }, |
| 1608 | | |
| 1609 | | getDimensions: function(element) { |
| 1610 | | element = $(element); |
| 1611 | | var display = $(element).getStyle('display'); |
| 1612 | | if (display != 'none' && display != null) // Safari bug |
| 1613 | | return {width: element.offsetWidth, height: element.offsetHeight}; |
| 1614 | | |
| 1615 | | // All *Width and *Height properties give 0 on elements with display none, |
| 1616 | | // so enable the element temporarily |
| 1617 | | var els = element.style; |
| 1618 | | var originalVisibility = els.visibility; |
| 1619 | | var originalPosition = els.position; |
| 1620 | | var originalDisplay = els.display; |
| 1621 | | els.visibility = 'hidden'; |
| 1622 | | els.position = 'absolute'; |
| 1623 | | els.display = 'block'; |
| 1624 | | var originalWidth = element.clientWidth; |
| 1625 | | var originalHeight = element.clientHeight; |
| 1626 | | els.display = originalDisplay; |
| 1627 | | els.position = originalPosition; |
| 1628 | | els.visibility = originalVisibility; |
| 1629 | | return {width: originalWidth, height: originalHeight}; |
| 1630 | | }, |
| 1631 | | |
| 1632 | | makePositioned: function(element) { |
| 1633 | | element = $(element); |
| 1634 | | var pos = Element.getStyle(element, 'position'); |
| 1635 | | if (pos == 'static' || !pos) { |
| 1636 | | element._madePositioned = true; |
| 1637 | | element.style.position = 'relative'; |
| 1638 | | // Opera returns the offset relative to the positioning context, when an |
| 1639 | | // element is position relative but top and left have not been defined |
| 1640 | | if (window.opera) { |
| 1641 | | element.style.top = 0; |
| 1642 | | element.style.left = 0; |
| 1643 | | } |
| 1644 | | } |
| 1645 | | return element; |
| 1646 | | }, |
| 1647 | | |
| 1648 | | undoPositioned: function(element) { |
| 1649 | | element = $(element); |
| 1650 | | if (element._madePositioned) { |
| 1651 | | element._madePositioned = undefined; |
| 1652 | | element.style.position = |
| 1653 | | element.style.top = |
| 1654 | | element.style.left = |
| 1655 | | element.style.bottom = |
| 1656 | | element.style.right = ''; |
| 1657 | | } |
| 1658 | | return element; |
| 1659 | | }, |
| 1660 | | |
| 1661 | | makeClipping: function(element) { |
| 1662 | | element = $(element); |
| 1663 | | if (element._overflow) return element; |
| 1664 | | element._overflow = element.style.overflow || 'auto'; |
| 1665 | | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
| 1666 | | element.style.overflow = 'hidden'; |
| 1667 | | return element; |
| 1668 | | }, |
| 1669 | | |
| 1670 | | undoClipping: function(element) { |
| 1671 | | element = $(element); |
| 1672 | | if (!element._overflow) return element; |
| 1673 | | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
| 1674 | | element._overflow = null; |
| 1675 | | return element; |
| 1676 | | } |
| | 2481 | Element._getContentFromAnonymousElement = function(tagName, html) { |
| | 2482 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; |
| | 2483 | if (t) { |
| | 2484 | div.innerHTML = t[0] + html + t[1]; |
| | 2485 | t[2].times(function() { div = div.firstChild }); |
| | 2486 | } else div.innerHTML = html; |
| | 2487 | return $A(div.childNodes); |
| 2141 | | _cache: {}, |
| 2142 | | |
| 2143 | | xpath: { |
| 2144 | | descendant: "//*", |
| 2145 | | child: "/*", |
| 2146 | | adjacent: "/following-sibling::*[1]", |
| 2147 | | laterSibling: '/following-sibling::*', |
| 2148 | | tagName: function(m) { |
| 2149 | | if (m[1] == '*') return ''; |
| 2150 | | return "[local-name()='" + m[1].toLowerCase() + |
| 2151 | | "' or local-name()='" + m[1].toUpperCase() + "']"; |
| 2152 | | }, |
| 2153 | | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
| 2154 | | id: "[@id='#{1}']", |
| 2155 | | attrPresence: "[@#{1}]", |
| 2156 | | attr: function(m) { |
| 2157 | | m[3] = m[5] || m[6]; |
| 2158 | | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
| 2159 | | }, |
| 2160 | | pseudo: function(m) { |
| 2161 | | var h = Selector.xpath.pseudos[m[1]]; |
| 2162 | | if (!h) return ''; |
| 2163 | | if (typeof h === 'function') return h(m); |
| 2164 | | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
| 2165 | | }, |
| 2166 | | operators: { |
| 2167 | | '=': "[@#{1}='#{3}']", |
| 2168 | | '!=': "[@#{1}!='#{3}']", |
| 2169 | | '^=': "[starts-with(@#{1}, '#{3}')]", |
| 2170 | | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
| 2171 | | '*=': "[contains(@#{1}, '#{3}')]", |
| 2172 | | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
| 2173 | | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
| 2174 | | }, |
| 2175 | | pseudos: { |
| 2176 | | 'first-child': '[not(preceding-sibling::*)]', |
| 2177 | | 'last-child': '[not(following-sibling::*)]', |
| 2178 | | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
| 2179 | | 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
| 2180 | | 'checked': "[@checked]", |
| 2181 | | 'disabled': "[@disabled]", |
| 2182 | | 'enabled': "[not(@disabled)]", |
| 2183 | | 'not': function(m) { |
| 2184 | | var e = m[6], p = Selector.patterns, |
| 2185 | | x = Selector.xpath, le, m, v; |
| 2186 | | |
| 2187 | | var exclusion = []; |
| 2188 | | while (e && le != e && (/\S/).test(e)) { |
| 2189 | | le = e; |
| 2190 | | for (var i in p) { |
| 2191 | | if (m = e.match(p[i])) { |
| 2192 | | v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m); |
| 2193 | | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
| 2194 | | e = e.replace(m[0], ''); |
| 2195 | | break; |
| 2196 | | } |
| 2197 | | } |
| 2198 | | } |
| 2199 | | return "[not(" + exclusion.join(" and ") + ")]"; |
| 2200 | | }, |
| 2201 | | 'nth-child': function(m) { |
| 2202 | | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
| 2203 | | }, |
| 2204 | | 'nth-last-child': function(m) { |
| 2205 | | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
| 2206 | | }, |
| 2207 | | 'nth-of-type': function(m) { |
| 2208 | | return Selector.xpath.pseudos.nth("position() ", m); |
| 2209 | | }, |
| 2210 | | 'nth-last-of-type': function(m) { |
| 2211 | | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
| 2212 | | }, |
| 2213 | | 'first-of-type': function(m) { |
| 2214 | | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
| 2215 | | }, |
| 2216 | | 'last-of-type': function(m) { |
| 2217 | | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
| 2218 | | }, |
| 2219 | | 'only-of-type': function(m) { |
| 2220 | | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
| 2221 | | }, |
| 2222 | | nth: function(fragment, m) { |
| 2223 | | var mm, formula = m[6], predicate; |
| 2224 | | if (formula == 'even') formula = '2n+0'; |
| 2225 | | if (formula == 'odd') formula = '2n+1'; |
| 2226 | | if (mm = formula.match(/^(\d+)$/)) // digit only |
| 2227 | | return '[' + fragment + "= " + mm[1] + ']'; |
| 2228 | | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
| 2229 | | if (mm[1] == "-") mm[1] = -1; |
| 2230 | | var a = mm[1] ? Number(mm[1]) : 1; |
| 2231 | | var b = mm[2] ? Number(mm[2]) : 0; |
| 2232 | | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
| 2233 | | "((#{fragment} - #{b}) div #{a} >= 0)]"; |
| 2234 | | return new Template(predicate).evaluate({ |
| 2235 | | fragment: fragment, a: a, b: b }); |
| 2236 | | } |
| 2237 | | } |
| 2238 | | } |
| 2239 | | }, |
| 2240 | | |
| 2241 | | criteria: { |
| 2242 | | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
| 2243 | | className: 'n = h.className(n, r, "#{1}", c); c = false;', |
| 2244 | | id: 'n = h.id(n, r, "#{1}", c); c = false;', |
| 2245 | | attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', |
| 2246 | | attr: function(m) { |
| 2247 | | m[3] = (m[5] || m[6]); |
| 2248 | | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); |
| 2249 | | }, |
| 2250 | | pseudo: function(m) { |
| 2251 | | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
| 2252 | | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
| 2253 | | }, |
| 2254 | | descendant: 'c = "descendant";', |
| 2255 | | child: 'c = "child";', |
| 2256 | | adjacent: 'c = "adjacent";', |
| 2257 | | laterSibling: 'c = "laterSibling";' |
| 2258 | | }, |
| 2259 | | |
| 2260 | | patterns: { |
| 2261 | | // combinators must be listed first |
| 2262 | | // (and descendant needs to be last combinator) |
| 2263 | | laterSibling: /^\s*~\s*/, |
| 2264 | | child: /^\s*>\s*/, |
| 2265 | | adjacent: /^\s*\+\s*/, |
| 2266 | | descendant: /^\s/, |
| 2267 | | |
| 2268 | | // selectors follow |
| 2269 | | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
| 2270 | | id: /^#([\w\-\*]+)(\b|$)/, |
| 2271 | | className: /^\.([\w\-\*]+)(\b|$)/, |
| 2272 | | pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/, |
| 2273 | | attrPresence: /^\[([\w]+)\]/, |
| 2274 | | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/ |
| 2275 | | }, |
| 2276 | | |
| 2277 | | handlers: { |
| 2278 | | // UTILITY FUNCTIONS |
| 2279 | | // joins two collections |
| 2280 | | concat: function(a, b) { |
| 2281 | | for (var i = 0, node; node = b[i]; i++) |
| 2282 | | a.push(node); |
| 2283 | | return a; |
| 2284 | | }, |
| 2285 | | |
| 2286 | | // marks an array of nodes for counting |
| 2287 | | mark: function(nodes) { |
| 2288 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2289 | | node._counted = true; |
| 2290 | | return nodes; |
| 2291 | | }, |
| 2292 | | |
| 2293 | | unmark: function(nodes) { |
| 2294 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2295 | | node._counted = undefined; |
| 2296 | | return nodes; |
| 2297 | | }, |
| 2298 | | |
| 2299 | | // mark each child node with its position (for nth calls) |
| 2300 | | // "ofType" flag indicates whether we're indexing for nth-of-type |
| 2301 | | // rather than nth-child |
| 2302 | | index: function(parentNode, reverse, ofType) { |
| 2303 | | parentNode._counted = true; |
| 2304 | | if (reverse) { |
| 2305 | | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
| 2306 | | node = nodes[i]; |
| 2307 | | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
| 2308 | | } |
| 2309 | | } else { |
| 2310 | | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
| 2311 | | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
| 2312 | | } |
| 2313 | | }, |
| 2314 | | |
| 2315 | | // filters out duplicates and extends all nodes |
| 2316 | | unique: function(nodes) { |
| 2317 | | if (nodes.length == 0) return nodes; |
| 2318 | | var results = [], n; |
| 2319 | | for (var i = 0, l = nodes.length; i < l; i++) |
| 2320 | | if (!(n = nodes[i])._counted) { |
| 2321 | | n._counted = true; |
| 2322 | | results.push(Element.extend(n)); |
| 2323 | | } |
| 2324 | | return Selector.handlers.unmark(results); |
| 2325 | | }, |
| 2326 | | |
| 2327 | | // COMBINATOR FUNCTIONS |
| 2328 | | descendant: function(nodes) { |
| 2329 | | var h = Selector.handlers; |
| 2330 | | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| 2331 | | h.concat(results, node.getElementsByTagName('*')); |
| 2332 | | return results; |
| 2333 | | }, |
| 2334 | | |
| 2335 | | child: function(nodes) { |
| 2336 | | var h = Selector.handlers; |
| 2337 | | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| 2338 | | for (var j = 0, children = [], child; child = node.childNodes[j]; j++) |
| 2339 | | if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
| 2340 | | } |
| 2341 | | return results; |
| 2342 | | }, |
| 2343 | | |
| 2344 | | adjacent: function(nodes) { |
| 2345 | | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| 2346 | | var next = this.nextElementSibling(node); |
| 2347 | | if (next) results.push(next); |
| 2348 | | } |
| 2349 | | return results; |
| 2350 | | }, |
| 2351 | | |
| 2352 | | laterSibling: function(nodes) { |
| 2353 | | var h = Selector.handlers; |
| 2354 | | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| 2355 | | h.concat(results, Element.nextSiblings(node)); |
| 2356 | | return results; |
| 2357 | | }, |
| 2358 | | |
| 2359 | | nextElementSibling: function(node) { |
| 2360 | | while (node = node.nextSibling) |
| 2361 | | if (node.nodeType == 1) return node; |
| 2362 | | return null; |
| 2363 | | }, |
| 2364 | | |
| 2365 | | previousElementSibling: function(node) { |
| 2366 | | while (node = node.previousSibling) |
| 2367 | | if (node.nodeType == 1) return node; |
| 2368 | | return null; |
| 2369 | | }, |
| 2370 | | |
| 2371 | | // TOKEN FUNCTIONS |
| 2372 | | tagName: function(nodes, root, tagName, combinator) { |
| 2373 | | tagName = tagName.toUpperCase(); |
| 2374 | | var results = [], h = Selector.handlers; |
| 2375 | | if (nodes) { |
| 2376 | | if (combinator) { |
| 2377 | | // fastlane for ordinary descendant combinators |
| 2378 | | if (combinator == "descendant") { |
| 2379 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2380 | | h.concat(results, node.getElementsByTagName(tagName)); |
| 2381 | | return results; |
| 2382 | | } else nodes = this[combinator](nodes); |
| 2383 | | if (tagName == "*") return nodes; |
| 2384 | | } |
| 2385 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2386 | | if (node.tagName.toUpperCase() == tagName) results.push(node); |
| 2387 | | return results; |
| 2388 | | } else return root.getElementsByTagName(tagName); |
| 2389 | | }, |
| 2390 | | |
| 2391 | | id: function(nodes, root, id, combinator) { |
| 2392 | | var targetNode = $(id), h = Selector.handlers; |
| 2393 | | if (!nodes && root == document) return targetNode ? [targetNode] : []; |
| 2394 | | if (nodes) { |
| 2395 | | if (combinator) { |
| 2396 | | if (combinator == 'child') { |
| 2397 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2398 | | if (targetNode.parentNode == node) return [targetNode]; |
| 2399 | | } else if (combinator == 'descendant') { |
| 2400 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2401 | | if (Element.descendantOf(targetNode, node)) return [targetNode]; |
| 2402 | | } else if (combinator == 'adjacent') { |
| 2403 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2404 | | if (Selector.handlers.previousElementSibling(targetNode) == node) |
| 2405 | | return [targetNode]; |
| 2406 | | } else nodes = h[combinator](nodes); |
| 2407 | | } |
| 2408 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2409 | | if (node == targetNode) return [targetNode]; |
| 2410 | | return []; |
| 2411 | | } |
| 2412 | | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
| 2413 | | }, |
| 2414 | | |
| 2415 | | className: function(nodes, root, className, combinator) { |
| 2416 | | if (nodes && combinator) nodes = this[combinator](nodes); |
| 2417 | | return Selector.handlers.byClassName(nodes, root, className); |
| 2418 | | }, |
| 2419 | | |
| 2420 | | byClassName: function(nodes, root, className) { |
| 2421 | | if (!nodes) nodes = Selector.handlers.descendant([root]); |
| 2422 | | var needle = ' ' + className + ' '; |
| 2423 | | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
| 2424 | | nodeClassName = node.className; |
| 2425 | | if (nodeClassName.length == 0) continue; |
| 2426 | | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
| 2427 | | results.push(node); |
| 2428 | | } |
| 2429 | | return results; |
| 2430 | | }, |
| 2431 | | |
| 2432 | | attrPresence: function(nodes, root, attr) { |
| 2433 | | var results = []; |
| 2434 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2435 | | if (Element.hasAttribute(node, attr)) results.push(node); |
| 2436 | | return results; |
| 2437 | | }, |
| 2438 | | |
| 2439 | | attr: function(nodes, root, attr, value, operator) { |
| 2440 | | if (!nodes) nodes = root.getElementsByTagName("*"); |
| 2441 | | var handler = Selector.operators[operator], results = []; |
| 2442 | | for (var i = 0, node; node = nodes[i]; i++) { |
| 2443 | | var nodeValue = Element.readAttribute(node, attr); |
| 2444 | | if (nodeValue === null) continue; |
| 2445 | | if (handler(nodeValue, value)) results.push(node); |
| 2446 | | } |
| 2447 | | return results; |
| 2448 | | }, |
| 2449 | | |
| 2450 | | pseudo: function(nodes, name, value, root, combinator) { |
| 2451 | | if (nodes && combinator) nodes = this[combinator](nodes); |
| 2452 | | if (!nodes) nodes = root.getElementsByTagName("*"); |
| 2453 | | return Selector.pseudos[name](nodes, value, root); |
| 2454 | | } |
| 2455 | | }, |
| 2456 | | |
| 2457 | | pseudos: { |
| 2458 | | 'first-child': function(nodes, value, root) { |
| 2459 | | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| 2460 | | if (Selector.handlers.previousElementSibling(node)) continue; |
| 2461 | | results.push(node); |
| 2462 | | } |
| 2463 | | return results; |
| 2464 | | }, |
| 2465 | | 'last-child': function(nodes, value, root) { |
| 2466 | | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| 2467 | | if (Selector.handlers.nextElementSibling(node)) continue; |
| 2468 | | results.push(node); |
| 2469 | | } |
| 2470 | | return results; |
| 2471 | | }, |
| 2472 | | 'only-child': function(nodes, value, root) { |
| 2473 | | var h = Selector.handlers; |
| 2474 | | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| 2475 | | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
| 2476 | | results.push(node); |
| 2477 | | return results; |
| 2478 | | }, |
| 2479 | | 'nth-child': function(nodes, formula, root) { |
| 2480 | | return Selector.pseudos.nth(nodes, formula, root); |
| 2481 | | }, |
| 2482 | | 'nth-last-child': function(nodes, formula, root) { |
| 2483 | | return Selector.pseudos.nth(nodes, formula, root, true); |
| 2484 | | }, |
| 2485 | | 'nth-of-type': function(nodes, formula, root) { |
| 2486 | | return Selector.pseudos.nth(nodes, formula, root, false, true); |
| 2487 | | }, |
| 2488 | | 'nth-last-of-type': function(nodes, formula, root) { |
| 2489 | | return Selector.pseudos.nth(nodes, formula, root, true, true); |
| 2490 | | }, |
| 2491 | | 'first-of-type': function(nodes, formula, root) { |
| 2492 | | return Selector.pseudos.nth(nodes, "1", root, false, true); |
| 2493 | | }, |
| 2494 | | 'last-of-type': function(nodes, formula, root) { |
| 2495 | | return Selector.pseudos.nth(nodes, "1", root, true, true); |
| 2496 | | }, |
| 2497 | | 'only-of-type': function(nodes, formula, root) { |
| 2498 | | var p = Selector.pseudos; |
| 2499 | | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
| 2500 | | }, |
| 2501 | | |
| 2502 | | // handles the an+b logic |
| 2503 | | getIndices: function(a, b, total) { |
| 2504 | | if (a == 0) return b > 0 ? [b] : []; |
| 2505 | | return $R(1, total).inject([], function(memo, i) { |
| 2506 | | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
| 2507 | | return memo; |
| 2508 | | }); |
| 2509 | | }, |
| 2510 | | |
| 2511 | | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
| 2512 | | nth: function(nodes, formula, root, reverse, ofType) { |
| 2513 | | if (nodes.length == 0) return []; |
| 2514 | | if (formula == 'even') formula = '2n+0'; |
| 2515 | | if (formula == 'odd') formula = '2n+1'; |
| 2516 | | var h = Selector.handlers, results = [], indexed = [], m; |
| 2517 | | h.mark(nodes); |
| 2518 | | for (var i = 0, node; node = nodes[i]; i++) { |
| 2519 | | if (!node.parentNode._counted) { |
| 2520 | | h.index(node.parentNode, reverse, ofType); |
| 2521 | | indexed.push(node.parentNode); |
| 2522 | | } |
| 2523 | | } |
| 2524 | | if (formula.match(/^\d+$/)) { // just a number |
| 2525 | | formula = Number(formula); |
| 2526 | | for (var i = 0, node; node = nodes[i]; i++) |
| 2527 | | if (node.nodeIndex == formula) results.push(node); |
| 2528 | | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
| 2529 | | if (m[1] == "-") m[1] = -1; |
| 2530 | | var a = m[1] ? Number(m[1]) : 1; |
| 2531 | | var b = m[2] ? Number(m[2]) : 0; |
| 2532 | | var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
| 2533 | | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
| 2534 | | for (var j = 0; j < l; j++) |
| 2535 | | if (node.nodeIndex == indices[j]) results.push(node); |
| 2536 | | } |
| 2537 | | } |
| 2538 | | h.unmark(nodes); |
| 2539 | | h.unmark(indexed); |
| 2540 | | return results; |
| 2541 | | }, |
| 2542 | | |
| 2543 | | 'empty': function(nodes, value, root) { |
| 2544 | | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| 2545 | | // IE treats comments as element nodes |
| 2546 | | if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
| 2547 | | results.push(node); |
| 2548 | | } |
| 2549 | | return results; |
| 2550 | | }, |
| 2551 | | |
| 2552 | | 'not': function(nodes, selector, root) { |
| 2553 | | var h = Selector.handlers, selectorType, m; |
| 2554 | | var exclusions = new Selector(selector).findElements(root); |
| 2555 | | h.mark(exclusions); |
| 2556 | | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| 2557 | | if (!node._counted) results.push(node); |
| 2558 | | h.unmark(exclusions); |
| 2559 | | return results; |
| 2560 | | }, |
| 2561 | | |
| 2562 | | 'enabled': function(nodes, value, root) { |
| 2563 | | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| 2564 | | if (!node.disabled) results.push(node); |
| 2565 | | return results; |
| 2566 | | }, |
| 2567 | | |
| 2568 | | 'disabled': function(nodes, value, root) { |
| 2569 | | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| 2570 | | if (node.disabled) results.push(node); |
| 2571 | | return results; |
| 2572 | | }, |
| 2573 | | |
| 2574 | | 'checked': function(nodes, value, root) { |
| 2575 | | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| 2576 | | if (node.checked) results.push(node); |
| 2577 | | return results; |
| 2578 | | } |
| 2579 | | }, |
| 2580 | | |
| 2581 | | operators: { |
| 2582 | | '=': function(nv, v) { return nv == v; }, |
| 2583 | | '!=': function(nv, v) { return nv != v; }, |
| 2584 | | '^=': function(nv, v) { return nv.startsWith(v); }, |
| 2585 | | '$=': function(nv, v) { return nv.endsWith(v); }, |
| 2586 | | '*=': function(nv, v) { return nv.include(v); }, |
| 2587 | | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
| 2588 | | '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } |
| 2589 | | }, |
| 2590 | | |
| 2591 | | matchElements: function(elements, expression) { |
| 2592 | | var matches = new Selector(expression).findElements(), h = Selector.handlers; |
| 2593 | | h.mark(matches); |
| 2594 | | for (var i = 0, results = [], element; element = elements[i]; i++) |
| 2595 | | if (element._counted) results.push(element); |
| 2596 | | h.unmark(matches); |
| 2597 | | return results; |
| 2598 | | }, |
| 2599 | | |
| 2600 | | findElement: function(elements, expression, index) { |
| 2601 | | if (typeof expression == 'number') { |
| 2602 | | index = expression; expression = false; |
| 2603 | | } |
| 2604 | | return Selector.matchElements(elements, expression || '*')[index || 0]; |
| 2605 | | }, |
| 2606 | | |
| 2607 | | findChildElements: function(element, expressions) { |
| 2608 | | var exprs = expressions.join(','), expressions = []; |
| 2609 | | exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
| 2610 | | expressions.push(m[1].strip()); |
| 2611 | | }); |
| 2612 | | var results = [], h = Selector.handlers; |
| 2613 | | for (var i = 0, l = expressions.length, selector; i < l; i++) { |
| 2614 | | selector = new Selector(expressions[i].strip()); |
| 2615 | | h.concat(results, selector.findElements(element)); |
| 2616 | | } |
| 2617 | | return (l > 1) ? h.unique(results) : results; |
| 2618 | | } |
| | 2834 | _cache: { }, |
| | 2835 | |
| | 2836 | xpath: { |
| | 2837 | descendant: "//*", |
| | 2838 | child: "/*", |
| | 2839 | adjacent: "/following-sibling::*[1]", |
| | 2840 | laterSibling: '/following-sibling::*', |
| | 2841 | tagName: function(m) { |
| | 2842 | if (m[1] == '*') return ''; |
| | 2843 | return "[local-name()='" + m[1].toLowerCase() + |
| | 2844 | "' or local-name()='" + m[1].toUpperCase() + "']"; |
| | 2845 | }, |
| | 2846 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
| | 2847 | id: "[@id='#{1}']", |
| | 2848 | attrPresence: function(m) { |
| | 2849 | m[1] = m[1].toLowerCase(); |
| | 2850 | return new Template("[@#{1}]").evaluate(m); |
| | 2851 | }, |
| | 2852 | attr: function(m) { |
| | 2853 | m[1] = m[1].toLowerCase(); |
| | 2854 | m[3] = m[5] || m[6]; |
| | 2855 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
| | 2856 | }, |
| | 2857 | pseudo: function(m) { |
| | 2858 | var h = Selector.xpath.pseudos[m[1]]; |
| | 2859 | if (!h) return ''; |
| | 2860 | if (Object.isFunction(h)) return h(m); |
| | 2861 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
| | 2862 | }, |
| | 2863 | operators: { |
| | 2864 | '=': "[@#{1}='#{3}']", |
| | 2865 | '!=': "[@#{1}!='#{3}']", |
| | 2866 | '^=': "[starts-with(@#{1}, '#{3}')]", |
| | 2867 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
| | 2868 | '*=': "[contains(@#{1}, '#{3}')]", |
| | 2869 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
| | 2870 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
| | 2871 | }, |
| | 2872 | pseudos: { |
| | 2873 | 'first-child': '[not(preceding-sibling::*)]', |
| | 2874 | 'last-child': '[not(following-sibling::*)]', |
| | 2875 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
| | 2876 | 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
| | 2877 | 'checked': "[@checked]", |
| | 2878 | 'disabled': "[@disabled]", |
| | 2879 | 'enabled': "[not(@disabled)]", |
| | 2880 | 'not': function(m) { |
| | 2881 | var e = m[6], p = Selector.patterns, |
| | 2882 | x = Selector.xpath, le, v; |
| | 2883 | |
| | 2884 | var exclusion = []; |
| | 2885 | while (e && le != e && (/\S/).test(e)) { |
| | 2886 | le = e; |
| | 2887 | for (var i in p) { |
| | 2888 | if (m = e.match(p[i])) { |
| | 2889 | v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); |
| | 2890 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
| | 2891 | e = e.replace(m[0], ''); |
| | 2892 | break; |
| | 2893 | } |
| | 2894 | } |
| | 2895 | } |
| | 2896 | return "[not(" + exclusion.join(" and ") + ")]"; |
| | 2897 | }, |
| | 2898 | 'nth-child': function(m) { |
| | 2899 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
| | 2900 | }, |
| | 2901 | 'nth-last-child': function(m) { |
| | 2902 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
| | 2903 | }, |
| | 2904 | 'nth-of-type': function(m) { |
| | 2905 | return Selector.xpath.pseudos.nth("position() ", m); |
| | 2906 | }, |
| | 2907 | 'nth-last-of-type': function(m) { |
| | 2908 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
| | 2909 | }, |
| | 2910 | 'first-of-type': function(m) { |
| | 2911 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
| | 2912 | }, |
| | 2913 | 'last-of-type': function(m) { |
| | 2914 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
| | 2915 | }, |
| | 2916 | 'only-of-type': function(m) { |
| | 2917 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
| | 2918 | }, |
| | 2919 | nth: function(fragment, m) { |
| | 2920 | var mm, formula = m[6], predicate; |
| | 2921 | if (formula == 'even') formula = '2n+0'; |
| | 2922 | if (formula == 'odd') formula = '2n+1'; |
| | 2923 | if (mm = formula.match(/^(\d+)$/)) // digit only |
| | 2924 | return '[' + fragment + "= " + mm[1] + ']'; |
| | 2925 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
| | 2926 | if (mm[1] == "-") mm[1] = -1; |
| | 2927 | var a = mm[1] ? Number(mm[1]) : 1; |
| | 2928 | var b = mm[2] ? Number(mm[2]) : 0; |
| | 2929 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
| | 2930 | "((#{fragment} - #{b}) div #{a} >= 0)]"; |
| | 2931 | return new Template(predicate).evaluate({ |
| | 2932 | fragment: fragment, a: a, b: b }); |
| | 2933 | } |
| | 2934 | } |
| | 2935 | } |
| | 2936 | }, |
| | 2937 | |
| | 2938 | criteria: { |
| | 2939 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
| | 2940 | className: 'n = h.className(n, r, "#{1}", c); c = false;', |
| | 2941 | id: 'n = h.id(n, r, "#{1}", c); c = false;', |
| | 2942 | attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', |
| | 2943 | attr: function(m) { |
| | 2944 | m[3] = (m[5] || m[6]); |
| | 2945 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); |
| | 2946 | }, |
| | 2947 | pseudo: function(m) { |
| | 2948 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
| | 2949 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
| | 2950 | }, |
| | 2951 | descendant: 'c = "descendant";', |
| | 2952 | child: 'c = "child";', |
| | 2953 | adjacent: 'c = "adjacent";', |
| | 2954 | laterSibling: 'c = "laterSibling";' |
| | 2955 | }, |
| | 2956 | |
| | 2957 | patterns: { |
| | 2958 | // combinators must be listed first |
| | 2959 | // (and descendant needs to be last combinator) |
| | 2960 | laterSibling: /^\s*~\s*/, |
| | 2961 | child: /^\s*>\s*/, |
| | 2962 | adjacent: /^\s*\+\s*/, |
| | 2963 | descendant: /^\s/, |
| | 2964 | |
| | 2965 | // selectors follow |
| | 2966 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
| | 2967 | id: /^#([\w\-\*]+)(\b|$)/, |
| | 2968 | className: /^\.([\w\-\*]+)(\b|$)/, |
| | 2969 | pseudo: |
| | 2970 | /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, |
| | 2971 | attrPresence: /^\[([\w]+)\]/, |
| | 2972 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ |
| | 2973 | }, |
| | 2974 | |
| | 2975 | // for Selector.match and Element#match |
| | 2976 | assertions: { |
| | 2977 | tagName: function(element, matches) { |
| | 2978 | return matches[1].toUpperCase() == element.tagName.toUpperCase(); |
| | 2979 | }, |
| | 2980 | |
| | 2981 | className: function(element, matches) { |
| | 2982 | return Element.hasClassName(element, matches[1]); |
| | 2983 | }, |
| | 2984 | |
| | 2985 | id: function(element, matches) { |
| | 2986 | return element.id === matches[1]; |
| | 2987 | }, |
| | 2988 | |
| | 2989 | attrPresence: function(element, matches) { |
| | 2990 | return Element.hasAttribute(element, matches[1]); |
| | 2991 | }, |
| | 2992 | |
| | 2993 | attr: function(element, matches) { |
| | 2994 | var nodeValue = Element.readAttribute(element, matches[1]); |
| | 2995 | return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); |
| | 2996 | } |
| | 2997 | }, |
| | 2998 | |
| | 2999 | handlers: { |
| | 3000 | // UTILITY FUNCTIONS |
| | 3001 | // joins two collections |
| | 3002 | concat: function(a, b) { |
| | 3003 | for (var i = 0, node; node = b[i]; i++) |
| | 3004 | a.push(node); |
| | 3005 | return a; |
| | 3006 | }, |
| | 3007 | |
| | 3008 | // marks an array of nodes for counting |
| | 3009 | mark: function(nodes) { |
| | 3010 | var _true = Prototype.emptyFunction; |
| | 3011 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3012 | node._countedByPrototype = _true; |
| | 3013 | return nodes; |
| | 3014 | }, |
| | 3015 | |
| | 3016 | unmark: function(nodes) { |
| | 3017 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3018 | node._countedByPrototype = undefined; |
| | 3019 | return nodes; |
| | 3020 | }, |
| | 3021 | |
| | 3022 | // mark each child node with its position (for nth calls) |
| | 3023 | // "ofType" flag indicates whether we're indexing for nth-of-type |
| | 3024 | // rather than nth-child |
| | 3025 | index: function(parentNode, reverse, ofType) { |
| | 3026 | parentNode._countedByPrototype = Prototype.emptyFunction; |
| | 3027 | if (reverse) { |
| | 3028 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
| | 3029 | var node = nodes[i]; |
| | 3030 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
| | 3031 | } |
| | 3032 | } else { |
| | 3033 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
| | 3034 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
| | 3035 | } |
| | 3036 | }, |
| | 3037 | |
| | 3038 | // filters out duplicates and extends all nodes |
| | 3039 | unique: function(nodes) { |
| | 3040 | if (nodes.length == 0) return nodes; |
| | 3041 | var results = [], n; |
| | 3042 | for (var i = 0, l = nodes.length; i < l; i++) |
| | 3043 | if (!(n = nodes[i])._countedByPrototype) { |
| | 3044 | n._countedByPrototype = Prototype.emptyFunction; |
| | 3045 | results.push(Element.extend(n)); |
| | 3046 | } |
| | 3047 | return Selector.handlers.unmark(results); |
| | 3048 | }, |
| | 3049 | |
| | 3050 | // COMBINATOR FUNCTIONS |
| | 3051 | descendant: function(nodes) { |
| | 3052 | var h = Selector.handlers; |
| | 3053 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| | 3054 | h.concat(results, node.getElementsByTagName('*')); |
| | 3055 | return results; |
| | 3056 | }, |
| | 3057 | |
| | 3058 | child: function(nodes) { |
| | 3059 | var h = Selector.handlers; |
| | 3060 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| | 3061 | for (var j = 0, child; child = node.childNodes[j]; j++) |
| | 3062 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
| | 3063 | } |
| | 3064 | return results; |
| | 3065 | }, |
| | 3066 | |
| | 3067 | adjacent: function(nodes) { |
| | 3068 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| | 3069 | var next = this.nextElementSibling(node); |
| | 3070 | if (next) results.push(next); |
| | 3071 | } |
| | 3072 | return results; |
| | 3073 | }, |
| | 3074 | |
| | 3075 | laterSibling: function(nodes) { |
| | 3076 | var h = Selector.handlers; |
| | 3077 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| | 3078 | h.concat(results, Element.nextSiblings(node)); |
| | 3079 | return results; |
| | 3080 | }, |
| | 3081 | |
| | 3082 | nextElementSibling: function(node) { |
| | 3083 | while (node = node.nextSibling) |
| | 3084 | if (node.nodeType == 1) return node; |
| | 3085 | return null; |
| | 3086 | }, |
| | 3087 | |
| | 3088 | previousElementSibling: function(node) { |
| | 3089 | while (node = node.previousSibling) |
| | 3090 | if (node.nodeType == 1) return node; |
| | 3091 | return null; |
| | 3092 | }, |
| | 3093 | |
| | 3094 | // TOKEN FUNCTIONS |
| | 3095 | tagName: function(nodes, root, tagName, combinator) { |
| | 3096 | var uTagName = tagName.toUpperCase(); |
| | 3097 | var results = [], h = Selector.handlers; |
| | 3098 | if (nodes) { |
| | 3099 | if (combinator) { |
| | 3100 | // fastlane for ordinary descendant combinators |
| | 3101 | if (combinator == "descendant") { |
| | 3102 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3103 | h.concat(results, node.getElementsByTagName(tagName)); |
| | 3104 | return results; |
| | 3105 | } else nodes = this[combinator](nodes); |
| | 3106 | if (tagName == "*") return nodes; |
| | 3107 | } |
| | 3108 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3109 | if (node.tagName.toUpperCase() === uTagName) results.push(node); |
| | 3110 | return results; |
| | 3111 | } else return root.getElementsByTagName(tagName); |
| | 3112 | }, |
| | 3113 | |
| | 3114 | id: function(nodes, root, id, combinator) { |
| | 3115 | var targetNode = $(id), h = Selector.handlers; |
| | 3116 | if (!targetNode) return []; |
| | 3117 | if (!nodes && root == document) return [targetNode]; |
| | 3118 | if (nodes) { |
| | 3119 | if (combinator) { |
| | 3120 | if (combinator == 'child') { |
| | 3121 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3122 | if (targetNode.parentNode == node) return [targetNode]; |
| | 3123 | } else if (combinator == 'descendant') { |
| | 3124 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3125 | if (Element.descendantOf(targetNode, node)) return [targetNode]; |
| | 3126 | } else if (combinator == 'adjacent') { |
| | 3127 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3128 | if (Selector.handlers.previousElementSibling(targetNode) == node) |
| | 3129 | return [targetNode]; |
| | 3130 | } else nodes = h[combinator](nodes); |
| | 3131 | } |
| | 3132 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3133 | if (node == targetNode) return [targetNode]; |
| | 3134 | return []; |
| | 3135 | } |
| | 3136 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
| | 3137 | }, |
| | 3138 | |
| | 3139 | className: function(nodes, root, className, combinator) { |
| | 3140 | if (nodes && combinator) nodes = this[combinator](nodes); |
| | 3141 | return Selector.handlers.byClassName(nodes, root, className); |
| | 3142 | }, |
| | 3143 | |
| | 3144 | byClassName: function(nodes, root, className) { |
| | 3145 | if (!nodes) nodes = Selector.handlers.descendant([root]); |
| | 3146 | var needle = ' ' + className + ' '; |
| | 3147 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
| | 3148 | nodeClassName = node.className; |
| | 3149 | if (nodeClassName.length == 0) continue; |
| | 3150 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
| | 3151 | results.push(node); |
| | 3152 | } |
| | 3153 | return results; |
| | 3154 | }, |
| | 3155 | |
| | 3156 | attrPresence: function(nodes, root, attr, combinator) { |
| | 3157 | if (!nodes) nodes = root.getElementsByTagName("*"); |
| | 3158 | if (nodes && combinator) nodes = this[combinator](nodes); |
| | 3159 | var results = []; |
| | 3160 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3161 | if (Element.hasAttribute(node, attr)) results.push(node); |
| | 3162 | return results; |
| | 3163 | }, |
| | 3164 | |
| | 3165 | attr: function(nodes, root, attr, value, operator, combinator) { |
| | 3166 | if (!nodes) nodes = root.getElementsByTagName("*"); |
| | 3167 | if (nodes && combinator) nodes = this[combinator](nodes); |
| | 3168 | var handler = Selector.operators[operator], results = []; |
| | 3169 | for (var i = 0, node; node = nodes[i]; i++) { |
| | 3170 | var nodeValue = Element.readAttribute(node, attr); |
| | 3171 | if (nodeValue === null) continue; |
| | 3172 | if (handler(nodeValue, value)) results.push(node); |
| | 3173 | } |
| | 3174 | return results; |
| | 3175 | }, |
| | 3176 | |
| | 3177 | pseudo: function(nodes, name, value, root, combinator) { |
| | 3178 | if (nodes && combinator) nodes = this[combinator](nodes); |
| | 3179 | if (!nodes) nodes = root.getElementsByTagName("*"); |
| | 3180 | return Selector.pseudos[name](nodes, value, root); |
| | 3181 | } |
| | 3182 | }, |
| | 3183 | |
| | 3184 | pseudos: { |
| | 3185 | 'first-child': function(nodes, value, root) { |
| | 3186 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| | 3187 | if (Selector.handlers.previousElementSibling(node)) continue; |
| | 3188 | results.push(node); |
| | 3189 | } |
| | 3190 | return results; |
| | 3191 | }, |
| | 3192 | 'last-child': function(nodes, value, root) { |
| | 3193 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| | 3194 | if (Selector.handlers.nextElementSibling(node)) continue; |
| | 3195 | results.push(node); |
| | 3196 | } |
| | 3197 | return results; |
| | 3198 | }, |
| | 3199 | 'only-child': function(nodes, value, root) { |
| | 3200 | var h = Selector.handlers; |
| | 3201 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| | 3202 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
| | 3203 | results.push(node); |
| | 3204 | return results; |
| | 3205 | }, |
| | 3206 | 'nth-child': function(nodes, formula, root) { |
| | 3207 | return Selector.pseudos.nth(nodes, formula, root); |
| | 3208 | }, |
| | 3209 | 'nth-last-child': function(nodes, formula, root) { |
| | 3210 | return Selector.pseudos.nth(nodes, formula, root, true); |
| | 3211 | }, |
| | 3212 | 'nth-of-type': function(nodes, formula, root) { |
| | 3213 | return Selector.pseudos.nth(nodes, formula, root, false, true); |
| | 3214 | }, |
| | 3215 | 'nth-last-of-type': function(nodes, formula, root) { |
| | 3216 | return Selector.pseudos.nth(nodes, formula, root, true, true); |
| | 3217 | }, |
| | 3218 | 'first-of-type': function(nodes, formula, root) { |
| | 3219 | return Selector.pseudos.nth(nodes, "1", root, false, true); |
| | 3220 | }, |
| | 3221 | 'last-of-type': function(nodes, formula, root) { |
| | 3222 | return Selector.pseudos.nth(nodes, "1", root, true, true); |
| | 3223 | }, |
| | 3224 | 'only-of-type': function(nodes, formula, root) { |
| | 3225 | var p = Selector.pseudos; |
| | 3226 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
| | 3227 | }, |
| | 3228 | |
| | 3229 | // handles the an+b logic |
| | 3230 | getIndices: function(a, b, total) { |
| | 3231 | if (a == 0) return b > 0 ? [b] : []; |
| | 3232 | return $R(1, total).inject([], function(memo, i) { |
| | 3233 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
| | 3234 | return memo; |
| | 3235 | }); |
| | 3236 | }, |
| | 3237 | |
| | 3238 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
| | 3239 | nth: function(nodes, formula, root, reverse, ofType) { |
| | 3240 | if (nodes.length == 0) return []; |
| | 3241 | if (formula == 'even') formula = '2n+0'; |
| | 3242 | if (formula == 'odd') formula = '2n+1'; |
| | 3243 | var h = Selector.handlers, results = [], indexed = [], m; |
| | 3244 | h.mark(nodes); |
| | 3245 | for (var i = 0, node; node = nodes[i]; i++) { |
| | 3246 | if (!node.parentNode._countedByPrototype) { |
| | 3247 | h.index(node.parentNode, reverse, ofType); |
| | 3248 | indexed.push(node.parentNode); |
| | 3249 | } |
| | 3250 | } |
| | 3251 | if (formula.match(/^\d+$/)) { // just a number |
| | 3252 | formula = Number(formula); |
| | 3253 | for (var i = 0, node; node = nodes[i]; i++) |
| | 3254 | if (node.nodeIndex == formula) results.push(node); |
| | 3255 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
| | 3256 | if (m[1] == "-") m[1] = -1; |
| | 3257 | var a = m[1] ? Number(m[1]) : 1; |
| | 3258 | var b = m[2] ? Number(m[2]) : 0; |
| | 3259 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
| | 3260 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
| | 3261 | for (var j = 0; j < l; j++) |
| | 3262 | if (node.nodeIndex == indices[j]) results.push(node); |
| | 3263 | } |
| | 3264 | } |
| | 3265 | h.unmark(nodes); |
| | 3266 | h.unmark(indexed); |
| | 3267 | return results; |
| | 3268 | }, |
| | 3269 | |
| | 3270 | 'empty': function(nodes, value, root) { |
| | 3271 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
| | 3272 | // IE treats comments as element nodes |
| | 3273 | if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
| | 3274 | results.push(node); |
| | 3275 | } |
| | 3276 | return results; |
| | 3277 | }, |
| | 3278 | |
| | 3279 | 'not': function(nodes, selector, root) { |
| | 3280 | var h = Selector.handlers, selectorType, m; |
| | 3281 | var exclusions = new Selector(selector).findElements(root); |
| | 3282 | h.mark(exclusions); |
| | 3283 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| | 3284 | if (!node._countedByPrototype) results.push(node); |
| | 3285 | h.unmark(exclusions); |
| | 3286 | return results; |
| | 3287 | }, |
| | 3288 | |
| | 3289 | 'enabled': function(nodes, value, root) { |
| | 3290 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| | 3291 | if (!node.disabled) results.push(node); |
| | 3292 | return results; |
| | 3293 | }, |
| | 3294 | |
| | 3295 | 'disabled': function(nodes, value, root) { |
| | 3296 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| | 3297 | if (node.disabled) results.push(node); |
| | 3298 | return results; |
| | 3299 | }, |
| | 3300 | |
| | 3301 | 'checked': function(nodes, value, root) { |
| | 3302 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
| | 3303 | if (node.checked) results.push(node); |
| | 3304 | return results; |
| | 3305 | } |
| | 3306 | }, |
| | 3307 | |
| | 3308 | operators: { |
| | 3309 | '=': function(nv, v) { return nv == v; }, |
| | 3310 | '!=': function(nv, v) { return nv != v; }, |
| | 3311 | '^=': function(nv, v) { return nv.startsWith(v); }, |
| | 3312 | '$=': function(nv, v) { return nv.endsWith(v); }, |
| | 3313 | '*=': function(nv, v) { return nv.include(v); }, |
| | 3314 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
| | 3315 | '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } |
| | 3316 | }, |
| | 3317 | |
| | 3318 | split: function(expression) { |
| | 3319 | var expressions = []; |
| | 3320 | expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
| | 3321 | expressions.push(m[1].strip()); |
| | 3322 | }); |
| | 3323 | return expressions; |
| | 3324 | }, |
| | 3325 | |
| | 3326 | matchElements: function(elements, expression) { |
| | 3327 | var matches = $$(expression), h = Selector.handlers; |
| | 3328 | h.mark(matches); |
| | 3329 | for (var i = 0, results = [], element; element = elements[i]; i++) |
| | 3330 | if (element._countedByPrototype) results.push(element); |
| | 3331 | h.unmark(matches); |
| | 3332 | return results; |
| | 3333 | }, |
| | 3334 | |
| | 3335 | findElement: function(elements, expression, index) { |
| | 3336 | if (Object.isNumber(expression)) { |
| | 3337 | index = expression; expression = false; |
| | 3338 | } |
| | 3339 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
| | 3340 | }, |
| | 3341 | |
| | 3342 | findChildElements: function(element, expressions) { |
| | 3343 | expressions = Selector.split(expressions.join(',')); |
| | 3344 | var results = [], h = Selector.handlers; |
| | 3345 | for (var i = 0, l = expressions.length, selector; i < l; i++) { |
| | 3346 | selector = new Selector(expressions[i].strip()); |
| | 3347 | h.concat(results, selector.findElements(element)); |
| | 3348 | } |
| | 3349 | return (l > 1) ? h.unique(results) : results; |
| | 3350 | } |
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