Changesets can be listed by changeset number.
The Git repository is here.
- Revision:
- 15
- Log:
Attempt to update Typo to a Typo SVN HEAD release from around the
time the prototype installation was set up on the RISC OS Open Limited
web site. Timestamps place this at 04-Jul so a revision from 05-Jul or
earlier was pulled and copied over the 2.6.0 tarball stable code.
- Author:
- adh
- Date:
- Sat Jul 22 23:27:35 +0100 2006
- Size:
- 54330 Bytes
1 | /* Prototype JavaScript framework, version 1.5.0_pre1 |
2 | * (c) 2005 Sam Stephenson <sam@conio.net> |
3 | * |
4 | * Prototype is freely distributable under the terms of an MIT-style license. |
5 | * For details, see the Prototype web site: http://prototype.conio.net/ |
6 | * |
7 | /*--------------------------------------------------------------------------*/ |
8 | |
9 | var Prototype = { |
10 | Version: '1.5.0_pre1', |
11 | ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', |
12 | |
13 | emptyFunction: function() {}, |
14 | K: function(x) {return x} |
15 | } |
16 | |
17 | var Class = { |
18 | create: function() { |
19 | return function() { |
20 | this.initialize.apply(this, arguments); |
21 | } |
22 | } |
23 | } |
24 | |
25 | var Abstract = new Object(); |
26 | |
27 | Object.extend = function(destination, source) { |
28 | for (property in source) { |
29 | destination[property] = source[property]; |
30 | } |
31 | return destination; |
32 | } |
33 | |
34 | Object.inspect = function(object) { |
35 | try { |
36 | if (object == undefined) return 'undefined'; |
37 | if (object == null) return 'null'; |
38 | return object.inspect ? object.inspect() : object.toString(); |
39 | } catch (e) { |
40 | if (e instanceof RangeError) return '...'; |
41 | throw e; |
42 | } |
43 | } |
44 | |
45 | Function.prototype.bind = function() { |
46 | var __method = this, args = $A(arguments), object = args.shift(); |
47 | return function() { |
48 | return __method.apply(object, args.concat($A(arguments))); |
49 | } |
50 | } |
51 | |
52 | Function.prototype.bindAsEventListener = function(object) { |
53 | var __method = this; |
54 | return function(event) { |
55 | return __method.call(object, event || window.event); |
56 | } |
57 | } |
58 | |
59 | Object.extend(Number.prototype, { |
60 | toColorPart: function() { |
61 | var digits = this.toString(16); |
62 | if (this < 16) return '0' + digits; |
63 | return digits; |
64 | }, |
65 | |
66 | succ: function() { |
67 | return this + 1; |
68 | }, |
69 | |
70 | times: function(iterator) { |
71 | $R(0, this, true).each(iterator); |
72 | return this; |
73 | } |
74 | }); |
75 | |
76 | var Try = { |
77 | these: function() { |
78 | var returnValue; |
79 | |
80 | for (var i = 0; i < arguments.length; i++) { |
81 | var lambda = arguments[i]; |
82 | try { |
83 | returnValue = lambda(); |
84 | break; |
85 | } catch (e) {} |
86 | } |
87 | |
88 | return returnValue; |
89 | } |
90 | } |
91 | |
92 | /*--------------------------------------------------------------------------*/ |
93 | |
94 | var PeriodicalExecuter = Class.create(); |
95 | PeriodicalExecuter.prototype = { |
96 | initialize: function(callback, frequency) { |
97 | this.callback = callback; |
98 | this.frequency = frequency; |
99 | this.currentlyExecuting = false; |
100 | |
101 | this.registerCallback(); |
102 | }, |
103 | |
104 | registerCallback: function() { |
105 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
106 | }, |
107 | |
108 | onTimerEvent: function() { |
109 | if (!this.currentlyExecuting) { |
110 | try { |
111 | this.currentlyExecuting = true; |
112 | this.callback(); |
113 | } finally { |
114 | this.currentlyExecuting = false; |
115 | } |
116 | } |
117 | } |
118 | } |
119 | Object.extend(String.prototype, { |
120 | gsub: function(pattern, replacement) { |
121 | var result = '', source = this, match; |
122 | replacement = arguments.callee.prepareReplacement(replacement); |
123 | |
124 | while (source.length > 0) { |
125 | if (match = source.match(pattern)) { |
126 | result += source.slice(0, match.index); |
127 | result += (replacement(match) || '').toString(); |
128 | source = source.slice(match.index + match[0].length); |
129 | } else { |
130 | result += source, source = ''; |
131 | } |
132 | } |
133 | return result; |
134 | }, |
135 | |
136 | sub: function(pattern, replacement, count) { |
137 | replacement = this.gsub.prepareReplacement(replacement); |
138 | count = count === undefined ? 1 : count; |
139 | |
140 | return this.gsub(pattern, function(match) { |
141 | if (--count < 0) return match[0]; |
142 | return replacement(match); |
143 | }); |
144 | }, |
145 | |
146 | scan: function(pattern, iterator) { |
147 | this.gsub(pattern, iterator); |
148 | return this; |
149 | }, |
150 | |
151 | truncate: function(length, truncation) { |
152 | length = length || 30; |
153 | truncation = truncation === undefined ? '...' : truncation; |
154 | return this.length > length ? |
155 | this.slice(0, length - truncation.length) + truncation : this; |
156 | }, |
157 | |
158 | strip: function() { |
159 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
160 | }, |
161 | |
162 | stripTags: function() { |
163 | return this.replace(/<\/?[^>]+>/gi, ''); |
164 | }, |
165 | |
166 | stripScripts: function() { |
167 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
168 | }, |
169 | |
170 | extractScripts: function() { |
171 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
172 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
173 | return (this.match(matchAll) || []).map(function(scriptTag) { |
174 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
175 | }); |
176 | }, |
177 | |
178 | evalScripts: function() { |
179 | return this.extractScripts().map(eval); |
180 | }, |
181 | |
182 | escapeHTML: function() { |
183 | var div = document.createElement('div'); |
184 | var text = document.createTextNode(this); |
185 | div.appendChild(text); |
186 | return div.innerHTML; |
187 | }, |
188 | |
189 | unescapeHTML: function() { |
190 | var div = document.createElement('div'); |
191 | div.innerHTML = this.stripTags(); |
192 | return div.childNodes[0] ? div.childNodes[0].nodeValue : ''; |
193 | }, |
194 | |
195 | toQueryParams: function() { |
196 | var pairs = this.match(/^\??(.*)$/)[1].split('&'); |
197 | return pairs.inject({}, function(params, pairString) { |
198 | var pair = pairString.split('='); |
199 | params[pair[0]] = pair[1]; |
200 | return params; |
201 | }); |
202 | }, |
203 | |
204 | toArray: function() { |
205 | return this.split(''); |
206 | }, |
207 | |
208 | camelize: function() { |
209 | var oStringList = this.split('-'); |
210 | if (oStringList.length == 1) return oStringList[0]; |
211 | |
212 | var camelizedString = this.indexOf('-') == 0 |
213 | ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) |
214 | : oStringList[0]; |
215 | |
216 | for (var i = 1, len = oStringList.length; i < len; i++) { |
217 | var s = oStringList[i]; |
218 | camelizedString += s.charAt(0).toUpperCase() + s.substring(1); |
219 | } |
220 | |
221 | return camelizedString; |
222 | }, |
223 | |
224 | inspect: function() { |
225 | return "'" + this.replace(/\\/g, '\\\\').replace(/'/g, '\\\'') + "'"; |
226 | } |
227 | }); |
228 | |
229 | String.prototype.gsub.prepareReplacement = function(replacement) { |
230 | if (typeof replacement == 'function') return replacement; |
231 | var template = new Template(replacement); |
232 | return function(match) { return template.evaluate(match) }; |
233 | } |
234 | |
235 | String.prototype.parseQuery = String.prototype.toQueryParams; |
236 | |
237 | var Template = Class.create(); |
238 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
239 | Template.prototype = { |
240 | initialize: function(template, pattern) { |
241 | this.template = template.toString(); |
242 | this.pattern = pattern || Template.Pattern; |
243 | }, |
244 | |
245 | evaluate: function(object) { |
246 | return this.template.gsub(this.pattern, function(match) { |
247 | var before = match[1]; |
248 | if (before == '\\') return match[2]; |
249 | return before + (object[match[3]] || '').toString(); |
250 | }); |
251 | } |
252 | } |
253 | |
254 | var $break = new Object(); |
255 | var $continue = new Object(); |
256 | |
257 | var Enumerable = { |
258 | each: function(iterator) { |
259 | var index = 0; |
260 | try { |
261 | this._each(function(value) { |
262 | try { |
263 | iterator(value, index++); |
264 | } catch (e) { |
265 | if (e != $continue) throw e; |
266 | } |
267 | }); |
268 | } catch (e) { |
269 | if (e != $break) throw e; |
270 | } |
271 | }, |
272 | |
273 | all: function(iterator) { |
274 | var result = true; |
275 | this.each(function(value, index) { |
276 | result = result && !!(iterator || Prototype.K)(value, index); |
277 | if (!result) throw $break; |
278 | }); |
279 | return result; |
280 | }, |
281 | |
282 | any: function(iterator) { |
283 | var result = true; |
284 | this.each(function(value, index) { |
285 | if (result = !!(iterator || Prototype.K)(value, index)) |
286 | throw $break; |
287 | }); |
288 | return result; |
289 | }, |
290 | |
291 | collect: function(iterator) { |
292 | var results = []; |
293 | this.each(function(value, index) { |
294 | results.push(iterator(value, index)); |
295 | }); |
296 | return results; |
297 | }, |
298 | |
299 | detect: function (iterator) { |
300 | var result; |
301 | this.each(function(value, index) { |
302 | if (iterator(value, index)) { |
303 | result = value; |
304 | throw $break; |
305 | } |
306 | }); |
307 | return result; |
308 | }, |
309 | |
310 | findAll: function(iterator) { |
311 | var results = []; |
312 | this.each(function(value, index) { |
313 | if (iterator(value, index)) |
314 | results.push(value); |
315 | }); |
316 | return results; |
317 | }, |
318 | |
319 | grep: function(pattern, iterator) { |
320 | var results = []; |
321 | this.each(function(value, index) { |
322 | var stringValue = value.toString(); |
323 | if (stringValue.match(pattern)) |
324 | results.push((iterator || Prototype.K)(value, index)); |
325 | }) |
326 | return results; |
327 | }, |
328 | |
329 | include: function(object) { |
330 | var found = false; |
331 | this.each(function(value) { |
332 | if (value == object) { |
333 | found = true; |
334 | throw $break; |
335 | } |
336 | }); |
337 | return found; |
338 | }, |
339 | |
340 | inject: function(memo, iterator) { |
341 | this.each(function(value, index) { |
342 | memo = iterator(memo, value, index); |
343 | }); |
344 | return memo; |
345 | }, |
346 | |
347 | invoke: function(method) { |
348 | var args = $A(arguments).slice(1); |
349 | return this.collect(function(value) { |
350 | return value[method].apply(value, args); |
351 | }); |
352 | }, |
353 | |
354 | max: function(iterator) { |
355 | var result; |
356 | this.each(function(value, index) { |
357 | value = (iterator || Prototype.K)(value, index); |
358 | if (value >= (result || value)) |
359 | result = value; |
360 | }); |
361 | return result; |
362 | }, |
363 | |
364 | min: function(iterator) { |
365 | var result; |
366 | this.each(function(value, index) { |
367 | value = (iterator || Prototype.K)(value, index); |
368 | if (value <= (result || value)) |
369 | result = value; |
370 | }); |
371 | return result; |
372 | }, |
373 | |
374 | partition: function(iterator) { |
375 | var trues = [], falses = []; |
376 | this.each(function(value, index) { |
377 | ((iterator || Prototype.K)(value, index) ? |
378 | trues : falses).push(value); |
379 | }); |
380 | return [trues, falses]; |
381 | }, |
382 | |
383 | pluck: function(property) { |
384 | var results = []; |
385 | this.each(function(value, index) { |
386 | results.push(value[property]); |
387 | }); |
388 | return results; |
389 | }, |
390 | |
391 | reject: function(iterator) { |
392 | var results = []; |
393 | this.each(function(value, index) { |
394 | if (!iterator(value, index)) |
395 | results.push(value); |
396 | }); |
397 | return results; |
398 | }, |
399 | |
400 | sortBy: function(iterator) { |
401 | return this.collect(function(value, index) { |
402 | return {value: value, criteria: iterator(value, index)}; |
403 | }).sort(function(left, right) { |
404 | var a = left.criteria, b = right.criteria; |
405 | return a < b ? -1 : a > b ? 1 : 0; |
406 | }).pluck('value'); |
407 | }, |
408 | |
409 | toArray: function() { |
410 | return this.collect(Prototype.K); |
411 | }, |
412 | |
413 | zip: function() { |
414 | var iterator = Prototype.K, args = $A(arguments); |
415 | if (typeof args.last() == 'function') |
416 | iterator = args.pop(); |
417 | |
418 | var collections = [this].concat(args).map($A); |
419 | return this.map(function(value, index) { |
420 | return iterator(collections.pluck(index)); |
421 | }); |
422 | }, |
423 | |
424 | inspect: function() { |
425 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
426 | } |
427 | } |
428 | |
429 | Object.extend(Enumerable, { |
430 | map: Enumerable.collect, |
431 | find: Enumerable.detect, |
432 | select: Enumerable.findAll, |
433 | member: Enumerable.include, |
434 | entries: Enumerable.toArray |
435 | }); |
436 | var $A = Array.from = function(iterable) { |
437 | if (!iterable) return []; |
438 | if (iterable.toArray) { |
439 | return iterable.toArray(); |
440 | } else { |
441 | var results = []; |
442 | for (var i = 0; i < iterable.length; i++) |
443 | results.push(iterable[i]); |
444 | return results; |
445 | } |
446 | } |
447 | |
448 | Object.extend(Array.prototype, Enumerable); |
449 | |
450 | Array.prototype._reverse = Array.prototype.reverse; |
451 | |
452 | Object.extend(Array.prototype, { |
453 | _each: function(iterator) { |
454 | for (var i = 0; i < this.length; i++) |
455 | iterator(this[i]); |
456 | }, |
457 | |
458 | clear: function() { |
459 | this.length = 0; |
460 | return this; |
461 | }, |
462 | |
463 | first: function() { |
464 | return this[0]; |
465 | }, |
466 | |
467 | last: function() { |
468 | return this[this.length - 1]; |
469 | }, |
470 | |
471 | compact: function() { |
472 | return this.select(function(value) { |
473 | return value != undefined || value != null; |
474 | }); |
475 | }, |
476 | |
477 | flatten: function() { |
478 | return this.inject([], function(array, value) { |
479 | return array.concat(value.constructor == Array ? |
480 | value.flatten() : [value]); |
481 | }); |
482 | }, |
483 | |
484 | without: function() { |
485 | var values = $A(arguments); |
486 | return this.select(function(value) { |
487 | return !values.include(value); |
488 | }); |
489 | }, |
490 | |
491 | indexOf: function(object) { |
492 | for (var i = 0; i < this.length; i++) |
493 | if (this[i] == object) return i; |
494 | return -1; |
495 | }, |
496 | |
497 | reverse: function(inline) { |
498 | return (inline !== false ? this : this.toArray())._reverse(); |
499 | }, |
500 | |
501 | shift: function() { |
502 | var result = this[0]; |
503 | for (var i = 0; i < this.length - 1; i++) |
504 | this[i] = this[i + 1]; |
505 | this.length--; |
506 | return result; |
507 | }, |
508 | |
509 | inspect: function() { |
510 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
511 | } |
512 | }); |
513 | var Hash = { |
514 | _each: function(iterator) { |
515 | for (key in this) { |
516 | var value = this[key]; |
517 | if (typeof value == 'function') continue; |
518 | |
519 | var pair = [key, value]; |
520 | pair.key = key; |
521 | pair.value = value; |
522 | iterator(pair); |
523 | } |
524 | }, |
525 | |
526 | keys: function() { |
527 | return this.pluck('key'); |
528 | }, |
529 | |
530 | values: function() { |
531 | return this.pluck('value'); |
532 | }, |
533 | |
534 | merge: function(hash) { |
535 | return $H(hash).inject($H(this), function(mergedHash, pair) { |
536 | mergedHash[pair.key] = pair.value; |
537 | return mergedHash; |
538 | }); |
539 | }, |
540 | |
541 | toQueryString: function() { |
542 | return this.map(function(pair) { |
543 | return pair.map(encodeURIComponent).join('='); |
544 | }).join('&'); |
545 | }, |
546 | |
547 | inspect: function() { |
548 | return '#<Hash:{' + this.map(function(pair) { |
549 | return pair.map(Object.inspect).join(': '); |
550 | }).join(', ') + '}>'; |
551 | } |
552 | } |
553 | |
554 | function $H(object) { |
555 | var hash = Object.extend({}, object || {}); |
556 | Object.extend(hash, Enumerable); |
557 | Object.extend(hash, Hash); |
558 | return hash; |
559 | } |
560 | ObjectRange = Class.create(); |
561 | Object.extend(ObjectRange.prototype, Enumerable); |
562 | Object.extend(ObjectRange.prototype, { |
563 | initialize: function(start, end, exclusive) { |
564 | this.start = start; |
565 | this.end = end; |
566 | this.exclusive = exclusive; |
567 | }, |
568 | |
569 | _each: function(iterator) { |
570 | var value = this.start; |
571 | do { |
572 | iterator(value); |
573 | value = value.succ(); |
574 | } while (this.include(value)); |
575 | }, |
576 | |
577 | include: function(value) { |
578 | if (value < this.start) |
579 | return false; |
580 | if (this.exclusive) |
581 | return value < this.end; |
582 | return value <= this.end; |
583 | } |
584 | }); |
585 | |
586 | var $R = function(start, end, exclusive) { |
587 | return new ObjectRange(start, end, exclusive); |
588 | } |
589 | |
590 | var Ajax = { |
591 | getTransport: function() { |
592 | return Try.these( |
593 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
594 | function() {return new ActiveXObject('Microsoft.XMLHTTP')}, |
595 | function() {return new XMLHttpRequest()} |
596 | ) || false; |
597 | }, |
598 | |
599 | activeRequestCount: 0 |
600 | } |
601 | |
602 | Ajax.Responders = { |
603 | responders: [], |
604 | |
605 | _each: function(iterator) { |
606 | this.responders._each(iterator); |
607 | }, |
608 | |
609 | register: function(responderToAdd) { |
610 | if (!this.include(responderToAdd)) |
611 | this.responders.push(responderToAdd); |
612 | }, |
613 | |
614 | unregister: function(responderToRemove) { |
615 | this.responders = this.responders.without(responderToRemove); |
616 | }, |
617 | |
618 | dispatch: function(callback, request, transport, json) { |
619 | this.each(function(responder) { |
620 | if (responder[callback] && typeof responder[callback] == 'function') { |
621 | try { |
622 | responder[callback].apply(responder, [request, transport, json]); |
623 | } catch (e) {} |
624 | } |
625 | }); |
626 | } |
627 | }; |
628 | |
629 | Object.extend(Ajax.Responders, Enumerable); |
630 | |
631 | Ajax.Responders.register({ |
632 | onCreate: function() { |
633 | Ajax.activeRequestCount++; |
634 | }, |
635 | |
636 | onComplete: function() { |
637 | Ajax.activeRequestCount--; |
638 | } |
639 | }); |
640 | |
641 | Ajax.Base = function() {}; |
642 | Ajax.Base.prototype = { |
643 | setOptions: function(options) { |
644 | this.options = { |
645 | method: 'post', |
646 | asynchronous: true, |
647 | parameters: '' |
648 | } |
649 | Object.extend(this.options, options || {}); |
650 | }, |
651 | |
652 | responseIsSuccess: function() { |
653 | return this.transport.status == undefined |
654 | || this.transport.status == 0 |
655 | || (this.transport.status >= 200 && this.transport.status < 300); |
656 | }, |
657 | |
658 | responseIsFailure: function() { |
659 | return !this.responseIsSuccess(); |
660 | } |
661 | } |
662 | |
663 | Ajax.Request = Class.create(); |
664 | Ajax.Request.Events = |
665 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
666 | |
667 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
668 | initialize: function(url, options) { |
669 | this.transport = Ajax.getTransport(); |
670 | this.setOptions(options); |
671 | this.request(url); |
672 | }, |
673 | |
674 | request: function(url) { |
675 | var parameters = this.options.parameters || ''; |
676 | if (parameters.length > 0) parameters += '&_='; |
677 | |
678 | try { |
679 | this.url = url; |
680 | if (this.options.method == 'get' && parameters.length > 0) |
681 | this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; |
682 | |
683 | Ajax.Responders.dispatch('onCreate', this, this.transport); |
684 | |
685 | this.transport.open(this.options.method, this.url, |
686 | this.options.asynchronous); |
687 | |
688 | if (this.options.asynchronous) { |
689 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
690 | setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); |
691 | } |
692 | |
693 | this.setRequestHeaders(); |
694 | |
695 | var body = this.options.postBody ? this.options.postBody : parameters; |
696 | this.transport.send(this.options.method == 'post' ? body : null); |
697 | |
698 | } catch (e) { |
699 | this.dispatchException(e); |
700 | } |
701 | }, |
702 | |
703 | setRequestHeaders: function() { |
704 | var requestHeaders = |
705 | ['X-Requested-With', 'XMLHttpRequest', |
706 | 'X-Prototype-Version', Prototype.Version, |
707 | 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*']; |
708 | |
709 | if (this.options.method == 'post') { |
710 | requestHeaders.push('Content-type', |
711 | 'application/x-www-form-urlencoded'); |
712 | |
713 | /* Force "Connection: close" for Mozilla browsers to work around |
714 | * a bug where XMLHttpReqeuest sends an incorrect Content-length |
715 | * header. See Mozilla Bugzilla #246651. |
716 | */ |
717 | if (this.transport.overrideMimeType) |
718 | requestHeaders.push('Connection', 'close'); |
719 | } |
720 | |
721 | if (this.options.requestHeaders) |
722 | requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); |
723 | |
724 | for (var i = 0; i < requestHeaders.length; i += 2) |
725 | this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); |
726 | }, |
727 | |
728 | onStateChange: function() { |
729 | var readyState = this.transport.readyState; |
730 | if (readyState != 1) |
731 | this.respondToReadyState(this.transport.readyState); |
732 | }, |
733 | |
734 | header: function(name) { |
735 | try { |
736 | return this.transport.getResponseHeader(name); |
737 | } catch (e) {} |
738 | }, |
739 | |
740 | evalJSON: function() { |
741 | try { |
742 | return eval(this.header('X-JSON')); |
743 | } catch (e) {} |
744 | }, |
745 | |
746 | evalResponse: function() { |
747 | try { |
748 | return eval(this.transport.responseText); |
749 | } catch (e) { |
750 | this.dispatchException(e); |
751 | } |
752 | }, |
753 | |
754 | respondToReadyState: function(readyState) { |
755 | var event = Ajax.Request.Events[readyState]; |
756 | var transport = this.transport, json = this.evalJSON(); |
757 | |
758 | if (event == 'Complete') { |
759 | try { |
760 | (this.options['on' + this.transport.status] |
761 | || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] |
762 | || Prototype.emptyFunction)(transport, json); |
763 | } catch (e) { |
764 | this.dispatchException(e); |
765 | } |
766 | |
767 | if ((this.header('Content-type') || '').match(/^text\/javascript/i)) |
768 | this.evalResponse(); |
769 | } |
770 | |
771 | try { |
772 | (this.options['on' + event] || Prototype.emptyFunction)(transport, json); |
773 | Ajax.Responders.dispatch('on' + event, this, transport, json); |
774 | } catch (e) { |
775 | this.dispatchException(e); |
776 | } |
777 | |
778 | /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ |
779 | if (event == 'Complete') |
780 | this.transport.onreadystatechange = Prototype.emptyFunction; |
781 | }, |
782 | |
783 | dispatchException: function(exception) { |
784 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
785 | Ajax.Responders.dispatch('onException', this, exception); |
786 | } |
787 | }); |
788 | |
789 | Ajax.Updater = Class.create(); |
790 | |
791 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
792 | initialize: function(container, url, options) { |
793 | this.containers = { |
794 | success: container.success ? $(container.success) : $(container), |
795 | failure: container.failure ? $(container.failure) : |
796 | (container.success ? null : $(container)) |
797 | } |
798 | |
799 | this.transport = Ajax.getTransport(); |
800 | this.setOptions(options); |
801 | |
802 | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
803 | this.options.onComplete = (function(transport, object) { |
804 | this.updateContent(); |
805 | onComplete(transport, object); |
806 | }).bind(this); |
807 | |
808 | this.request(url); |
809 | }, |
810 | |
811 | updateContent: function() { |
812 | var receiver = this.responseIsSuccess() ? |
813 | this.containers.success : this.containers.failure; |
814 | var response = this.transport.responseText; |
815 | |
816 | if (!this.options.evalScripts) |
817 | response = response.stripScripts(); |
818 | |
819 | if (receiver) { |
820 | if (this.options.insertion) { |
821 | new this.options.insertion(receiver, response); |
822 | } else { |
823 | Element.update(receiver, response); |
824 | } |
825 | } |
826 | |
827 | if (this.responseIsSuccess()) { |
828 | if (this.onComplete) |
829 | setTimeout(this.onComplete.bind(this), 10); |
830 | } |
831 | } |
832 | }); |
833 | |
834 | Ajax.PeriodicalUpdater = Class.create(); |
835 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
836 | initialize: function(container, url, options) { |
837 | this.setOptions(options); |
838 | this.onComplete = this.options.onComplete; |
839 | |
840 | this.frequency = (this.options.frequency || 2); |
841 | this.decay = (this.options.decay || 1); |
842 | |
843 | this.updater = {}; |
844 | this.container = container; |
845 | this.url = url; |
846 | |
847 | this.start(); |
848 | }, |
849 | |
850 | start: function() { |
851 | this.options.onComplete = this.updateComplete.bind(this); |
852 | this.onTimerEvent(); |
853 | }, |
854 | |
855 | stop: function() { |
856 | this.updater.onComplete = undefined; |
857 | clearTimeout(this.timer); |
858 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
859 | }, |
860 | |
861 | updateComplete: function(request) { |
862 | if (this.options.decay) { |
863 | this.decay = (request.responseText == this.lastText ? |
864 | this.decay * this.options.decay : 1); |
865 | |
866 | this.lastText = request.responseText; |
867 | } |
868 | this.timer = setTimeout(this.onTimerEvent.bind(this), |
869 | this.decay * this.frequency * 1000); |
870 | }, |
871 | |
872 | onTimerEvent: function() { |
873 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
874 | } |
875 | }); |
876 | function $() { |
877 | var results = [], element; |
878 | for (var i = 0; i < arguments.length; i++) { |
879 | element = arguments[i]; |
880 | if (typeof element == 'string') |
881 | element = document.getElementById(element); |
882 | results.push(Element.extend(element)); |
883 | } |
884 | return results.length < 2 ? results[0] : results; |
885 | } |
886 | |
887 | document.getElementsByClassName = function(className, parentElement) { |
888 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
889 | return $A(children).inject([], function(elements, child) { |
890 | if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
891 | elements.push(Element.extend(child)); |
892 | return elements; |
893 | }); |
894 | } |
895 | |
896 | /*--------------------------------------------------------------------------*/ |
897 | |
898 | if (!window.Element) |
899 | var Element = new Object(); |
900 | |
901 | Element.extend = function(element) { |
902 | if (!element) return; |
903 | |
904 | if (!element._extended && element.tagName && element != window) { |
905 | var methods = Element.Methods; |
906 | for (property in methods) { |
907 | var value = methods[property]; |
908 | if (typeof value == 'function') |
909 | element[property] = value.bind(null, element); |
910 | } |
911 | } |
912 | |
913 | element._extended = true; |
914 | return element; |
915 | } |
916 | |
917 | Element.Methods = { |
918 | visible: function(element) { |
919 | return $(element).style.display != 'none'; |
920 | }, |
921 | |
922 | toggle: function() { |
923 | for (var i = 0; i < arguments.length; i++) { |
924 | var element = $(arguments[i]); |
925 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
926 | } |
927 | }, |
928 | |
929 | hide: function() { |
930 | for (var i = 0; i < arguments.length; i++) { |
931 | var element = $(arguments[i]); |
932 | element.style.display = 'none'; |
933 | } |
934 | }, |
935 | |
936 | show: function() { |
937 | for (var i = 0; i < arguments.length; i++) { |
938 | var element = $(arguments[i]); |
939 | element.style.display = ''; |
940 | } |
941 | }, |
942 | |
943 | remove: function(element) { |
944 | element = $(element); |
945 | element.parentNode.removeChild(element); |
946 | }, |
947 | |
948 | update: function(element, html) { |
949 | $(element).innerHTML = html.stripScripts(); |
950 | setTimeout(function() {html.evalScripts()}, 10); |
951 | }, |
952 | |
953 | replace: function(element, html) { |
954 | element = $(element); |
955 | if (element.outerHTML) { |
956 | element.outerHTML = html.stripScripts(); |
957 | } else { |
958 | var range = element.ownerDocument.createRange(); |
959 | range.selectNodeContents(element); |
960 | element.parentNode.replaceChild( |
961 | range.createContextualFragment(html.stripScripts()), element); |
962 | } |
963 | setTimeout(function() {html.evalScripts()}, 10); |
964 | }, |
965 | |
966 | getHeight: function(element) { |
967 | element = $(element); |
968 | return element.offsetHeight; |
969 | }, |
970 | |
971 | classNames: function(element) { |
972 | return new Element.ClassNames(element); |
973 | }, |
974 | |
975 | hasClassName: function(element, className) { |
976 | if (!(element = $(element))) return; |
977 | return Element.classNames(element).include(className); |
978 | }, |
979 | |
980 | addClassName: function(element, className) { |
981 | if (!(element = $(element))) return; |
982 | return Element.classNames(element).add(className); |
983 | }, |
984 | |
985 | removeClassName: function(element, className) { |
986 | if (!(element = $(element))) return; |
987 | return Element.classNames(element).remove(className); |
988 | }, |
989 | |
990 | // removes whitespace-only text node children |
991 | cleanWhitespace: function(element) { |
992 | element = $(element); |
993 | for (var i = 0; i < element.childNodes.length; i++) { |
994 | var node = element.childNodes[i]; |
995 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
996 | Element.remove(node); |
997 | } |
998 | }, |
999 | |
1000 | empty: function(element) { |
1001 | return $(element).innerHTML.match(/^\s*$/); |
1002 | }, |
1003 | |
1004 | childOf: function(element, ancestor) { |
1005 | element = $(element), ancestor = $(ancestor); |
1006 | while (element = element.parentNode) |
1007 | if (element == ancestor) return true; |
1008 | return false; |
1009 | }, |
1010 | |
1011 | scrollTo: function(element) { |
1012 | element = $(element); |
1013 | var x = element.x ? element.x : element.offsetLeft, |
1014 | y = element.y ? element.y : element.offsetTop; |
1015 | window.scrollTo(x, y); |
1016 | }, |
1017 | |
1018 | getStyle: function(element, style) { |
1019 | element = $(element); |
1020 | var value = element.style[style.camelize()]; |
1021 | if (!value) { |
1022 | if (document.defaultView && document.defaultView.getComputedStyle) { |
1023 | var css = document.defaultView.getComputedStyle(element, null); |
1024 | value = css ? css.getPropertyValue(style) : null; |
1025 | } else if (element.currentStyle) { |
1026 | value = element.currentStyle[style.camelize()]; |
1027 | } |
1028 | } |
1029 | |
1030 | if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) |
1031 | if (Element.getStyle(element, 'position') == 'static') value = 'auto'; |
1032 | |
1033 | return value == 'auto' ? null : value; |
1034 | }, |
1035 | |
1036 | setStyle: function(element, style) { |
1037 | element = $(element); |
1038 | for (name in style) |
1039 | element.style[name.camelize()] = style[name]; |
1040 | }, |
1041 | |
1042 | getDimensions: function(element) { |
1043 | element = $(element); |
1044 | if (Element.getStyle(element, 'display') != 'none') |
1045 | return {width: element.offsetWidth, height: element.offsetHeight}; |
1046 | |
1047 | // All *Width and *Height properties give 0 on elements with display none, |
1048 | // so enable the element temporarily |
1049 | var els = element.style; |
1050 | var originalVisibility = els.visibility; |
1051 | var originalPosition = els.position; |
1052 | els.visibility = 'hidden'; |
1053 | els.position = 'absolute'; |
1054 | els.display = ''; |
1055 | var originalWidth = element.clientWidth; |
1056 | var originalHeight = element.clientHeight; |
1057 | els.display = 'none'; |
1058 | els.position = originalPosition; |
1059 | els.visibility = originalVisibility; |
1060 | return {width: originalWidth, height: originalHeight}; |
1061 | }, |
1062 | |
1063 | makePositioned: function(element) { |
1064 | element = $(element); |
1065 | var pos = Element.getStyle(element, 'position'); |
1066 | if (pos == 'static' || !pos) { |
1067 | element._madePositioned = true; |
1068 | element.style.position = 'relative'; |
1069 | // Opera returns the offset relative to the positioning context, when an |
1070 | // element is position relative but top and left have not been defined |
1071 | if (window.opera) { |
1072 | element.style.top = 0; |
1073 | element.style.left = 0; |
1074 | } |
1075 | } |
1076 | }, |
1077 | |
1078 | undoPositioned: function(element) { |
1079 | element = $(element); |
1080 | if (element._madePositioned) { |
1081 | element._madePositioned = undefined; |
1082 | element.style.position = |
1083 | element.style.top = |
1084 | element.style.left = |
1085 | element.style.bottom = |
1086 | element.style.right = ''; |
1087 | } |
1088 | }, |
1089 | |
1090 | makeClipping: function(element) { |
1091 | element = $(element); |
1092 | if (element._overflow) return; |
1093 | element._overflow = element.style.overflow; |
1094 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
1095 | element.style.overflow = 'hidden'; |
1096 | }, |
1097 | |
1098 | undoClipping: function(element) { |
1099 | element = $(element); |
1100 | if (element._overflow) return; |
1101 | element.style.overflow = element._overflow; |
1102 | element._overflow = undefined; |
1103 | } |
1104 | } |
1105 | |
1106 | Object.extend(Element, Element.Methods); |
1107 | |
1108 | var Toggle = new Object(); |
1109 | Toggle.display = Element.toggle; |
1110 | |
1111 | /*--------------------------------------------------------------------------*/ |
1112 | |
1113 | Abstract.Insertion = function(adjacency) { |
1114 | this.adjacency = adjacency; |
1115 | } |
1116 | |
1117 | Abstract.Insertion.prototype = { |
1118 | initialize: function(element, content) { |
1119 | this.element = $(element); |
1120 | this.content = content.stripScripts(); |
1121 | |
1122 | if (this.adjacency && this.element.insertAdjacentHTML) { |
1123 | try { |
1124 | this.element.insertAdjacentHTML(this.adjacency, this.content); |
1125 | } catch (e) { |
1126 | if (this.element.tagName.toLowerCase() == 'tbody') { |
1127 | this.insertContent(this.contentFromAnonymousTable()); |
1128 | } else { |
1129 | throw e; |
1130 | } |
1131 | } |
1132 | } else { |
1133 | this.range = this.element.ownerDocument.createRange(); |
1134 | if (this.initializeRange) this.initializeRange(); |
1135 | this.insertContent([this.range.createContextualFragment(this.content)]); |
1136 | } |
1137 | |
1138 | setTimeout(function() {content.evalScripts()}, 10); |
1139 | }, |
1140 | |
1141 | contentFromAnonymousTable: function() { |
1142 | var div = document.createElement('div'); |
1143 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
1144 | return $A(div.childNodes[0].childNodes[0].childNodes); |
1145 | } |
1146 | } |
1147 | |
1148 | var Insertion = new Object(); |
1149 | |
1150 | Insertion.Before = Class.create(); |
1151 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
1152 | initializeRange: function() { |
1153 | this.range.setStartBefore(this.element); |
1154 | }, |
1155 | |
1156 | insertContent: function(fragments) { |
1157 | fragments.each((function(fragment) { |
1158 | this.element.parentNode.insertBefore(fragment, this.element); |
1159 | }).bind(this)); |
1160 | } |
1161 | }); |
1162 | |
1163 | Insertion.Top = Class.create(); |
1164 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
1165 | initializeRange: function() { |
1166 | this.range.selectNodeContents(this.element); |
1167 | this.range.collapse(true); |
1168 | }, |
1169 | |
1170 | insertContent: function(fragments) { |
1171 | fragments.reverse(false).each((function(fragment) { |
1172 | this.element.insertBefore(fragment, this.element.firstChild); |
1173 | }).bind(this)); |
1174 | } |
1175 | }); |
1176 | |
1177 | Insertion.Bottom = Class.create(); |
1178 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
1179 | initializeRange: function() { |
1180 | this.range.selectNodeContents(this.element); |
1181 | this.range.collapse(this.element); |
1182 | }, |
1183 | |
1184 | insertContent: function(fragments) { |
1185 | fragments.each((function(fragment) { |
1186 | this.element.appendChild(fragment); |
1187 | }).bind(this)); |
1188 | } |
1189 | }); |
1190 | |
1191 | Insertion.After = Class.create(); |
1192 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
1193 | initializeRange: function() { |
1194 | this.range.setStartAfter(this.element); |
1195 | }, |
1196 | |
1197 | insertContent: function(fragments) { |
1198 | fragments.each((function(fragment) { |
1199 | this.element.parentNode.insertBefore(fragment, |
1200 | this.element.nextSibling); |
1201 | }).bind(this)); |
1202 | } |
1203 | }); |
1204 | |
1205 | /*--------------------------------------------------------------------------*/ |
1206 | |
1207 | Element.ClassNames = Class.create(); |
1208 | Element.ClassNames.prototype = { |
1209 | initialize: function(element) { |
1210 | this.element = $(element); |
1211 | }, |
1212 | |
1213 | _each: function(iterator) { |
1214 | this.element.className.split(/\s+/).select(function(name) { |
1215 | return name.length > 0; |
1216 | })._each(iterator); |
1217 | }, |
1218 | |
1219 | set: function(className) { |
1220 | this.element.className = className; |
1221 | }, |
1222 | |
1223 | add: function(classNameToAdd) { |
1224 | if (this.include(classNameToAdd)) return; |
1225 | this.set(this.toArray().concat(classNameToAdd).join(' ')); |
1226 | }, |
1227 | |
1228 | remove: function(classNameToRemove) { |
1229 | if (!this.include(classNameToRemove)) return; |
1230 | this.set(this.select(function(className) { |
1231 | return className != classNameToRemove; |
1232 | }).join(' ')); |
1233 | }, |
1234 | |
1235 | toString: function() { |
1236 | return this.toArray().join(' '); |
1237 | } |
1238 | } |
1239 | |
1240 | Object.extend(Element.ClassNames.prototype, Enumerable); |
1241 | var Selector = Class.create(); |
1242 | Selector.prototype = { |
1243 | initialize: function(expression) { |
1244 | this.params = {classNames: []}; |
1245 | this.expression = expression.toString().strip(); |
1246 | this.parseExpression(); |
1247 | this.compileMatcher(); |
1248 | }, |
1249 | |
1250 | parseExpression: function() { |
1251 | function abort(message) { throw 'Parse error in selector: ' + message; } |
1252 | |
1253 | if (this.expression == '') abort('empty expression'); |
1254 | |
1255 | var params = this.params, expr = this.expression, match, modifier, clause, rest; |
1256 | while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { |
1257 | params.attributes = params.attributes || []; |
1258 | params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); |
1259 | expr = match[1]; |
1260 | } |
1261 | |
1262 | if (expr == '*') return this.params.wildcard = true; |
1263 | |
1264 | while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { |
1265 | modifier = match[1], clause = match[2], rest = match[3]; |
1266 | switch (modifier) { |
1267 | case '#': params.id = clause; break; |
1268 | case '.': params.classNames.push(clause); break; |
1269 | case '': |
1270 | case undefined: params.tagName = clause.toUpperCase(); break; |
1271 | default: abort(expr.inspect()); |
1272 | } |
1273 | expr = rest; |
1274 | } |
1275 | |
1276 | if (expr.length > 0) abort(expr.inspect()); |
1277 | }, |
1278 | |
1279 | buildMatchExpression: function() { |
1280 | var params = this.params, conditions = [], clause; |
1281 | |
1282 | if (params.wildcard) |
1283 | conditions.push('true'); |
1284 | if (clause = params.id) |
1285 | conditions.push('element.id == ' + clause.inspect()); |
1286 | if (clause = params.tagName) |
1287 | conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); |
1288 | if ((clause = params.classNames).length > 0) |
1289 | for (var i = 0; i < clause.length; i++) |
1290 | conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')'); |
1291 | if (clause = params.attributes) { |
1292 | clause.each(function(attribute) { |
1293 | var value = 'element.getAttribute(' + attribute.name.inspect() + ')'; |
1294 | var splitValueBy = function(delimiter) { |
1295 | return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; |
1296 | } |
1297 | |
1298 | switch (attribute.operator) { |
1299 | case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; |
1300 | case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; |
1301 | case '|=': conditions.push( |
1302 | splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() |
1303 | ); break; |
1304 | case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; |
1305 | case '': |
1306 | case undefined: conditions.push(value + ' != null'); break; |
1307 | default: throw 'Unknown operator ' + attribute.operator + ' in selector'; |
1308 | } |
1309 | }); |
1310 | } |
1311 | |
1312 | return conditions.join(' && '); |
1313 | }, |
1314 | |
1315 | compileMatcher: function() { |
1316 | this.match = new Function('element', 'if (!element.tagName) return false; \ |
1317 | return ' + this.buildMatchExpression()); |
1318 | }, |
1319 | |
1320 | findElements: function(scope) { |
1321 | var element; |
1322 | |
1323 | if (element = $(this.params.id)) |
1324 | if (this.match(element)) |
1325 | if (!scope || Element.childOf(element, scope)) |
1326 | return [element]; |
1327 | |
1328 | scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); |
1329 | |
1330 | var results = []; |
1331 | for (var i = 0; i < scope.length; i++) |
1332 | if (this.match(element = scope[i])) |
1333 | results.push(Element.extend(element)); |
1334 | |
1335 | return results; |
1336 | }, |
1337 | |
1338 | toString: function() { |
1339 | return this.expression; |
1340 | } |
1341 | } |
1342 | |
1343 | function $$() { |
1344 | return $A(arguments).map(function(expression) { |
1345 | return expression.strip().split(/\s+/).inject([null], function(results, expr) { |
1346 | var selector = new Selector(expr); |
1347 | return results.map(selector.findElements.bind(selector)).flatten(); |
1348 | }); |
1349 | }).flatten(); |
1350 | } |
1351 | var Field = { |
1352 | clear: function() { |
1353 | for (var i = 0; i < arguments.length; i++) |
1354 | $(arguments[i]).value = ''; |
1355 | }, |
1356 | |
1357 | focus: function(element) { |
1358 | $(element).focus(); |
1359 | }, |
1360 | |
1361 | present: function() { |
1362 | for (var i = 0; i < arguments.length; i++) |
1363 | if ($(arguments[i]).value == '') return false; |
1364 | return true; |
1365 | }, |
1366 | |
1367 | select: function(element) { |
1368 | $(element).select(); |
1369 | }, |
1370 | |
1371 | activate: function(element) { |
1372 | element = $(element); |
1373 | element.focus(); |
1374 | if (element.select) |
1375 | element.select(); |
1376 | } |
1377 | } |
1378 | |
1379 | /*--------------------------------------------------------------------------*/ |
1380 | |
1381 | var Form = { |
1382 | serialize: function(form) { |
1383 | var elements = Form.getElements($(form)); |
1384 | var queryComponents = new Array(); |
1385 | |
1386 | for (var i = 0; i < elements.length; i++) { |
1387 | var queryComponent = Form.Element.serialize(elements[i]); |
1388 | if (queryComponent) |
1389 | queryComponents.push(queryComponent); |
1390 | } |
1391 | |
1392 | return queryComponents.join('&'); |
1393 | }, |
1394 | |
1395 | getElements: function(form) { |
1396 | form = $(form); |
1397 | var elements = new Array(); |
1398 | |
1399 | for (tagName in Form.Element.Serializers) { |
1400 | var tagElements = form.getElementsByTagName(tagName); |
1401 | for (var j = 0; j < tagElements.length; j++) |
1402 | elements.push(tagElements[j]); |
1403 | } |
1404 | return elements; |
1405 | }, |
1406 | |
1407 | getInputs: function(form, typeName, name) { |
1408 | form = $(form); |
1409 | var inputs = form.getElementsByTagName('input'); |
1410 | |
1411 | if (!typeName && !name) |
1412 | return inputs; |
1413 | |
1414 | var matchingInputs = new Array(); |
1415 | for (var i = 0; i < inputs.length; i++) { |
1416 | var input = inputs[i]; |
1417 | if ((typeName && input.type != typeName) || |
1418 | (name && input.name != name)) |
1419 | continue; |
1420 | matchingInputs.push(input); |
1421 | } |
1422 | |
1423 | return matchingInputs; |
1424 | }, |
1425 | |
1426 | disable: function(form) { |
1427 | var elements = Form.getElements(form); |
1428 | for (var i = 0; i < elements.length; i++) { |
1429 | var element = elements[i]; |
1430 | element.blur(); |
1431 | element.disabled = 'true'; |
1432 | } |
1433 | }, |
1434 | |
1435 | enable: function(form) { |
1436 | var elements = Form.getElements(form); |
1437 | for (var i = 0; i < elements.length; i++) { |
1438 | var element = elements[i]; |
1439 | element.disabled = ''; |
1440 | } |
1441 | }, |
1442 | |
1443 | findFirstElement: function(form) { |
1444 | return Form.getElements(form).find(function(element) { |
1445 | return element.type != 'hidden' && !element.disabled && |
1446 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
1447 | }); |
1448 | }, |
1449 | |
1450 | focusFirstElement: function(form) { |
1451 | Field.activate(Form.findFirstElement(form)); |
1452 | }, |
1453 | |
1454 | reset: function(form) { |
1455 | $(form).reset(); |
1456 | } |
1457 | } |
1458 | |
1459 | Form.Element = { |
1460 | serialize: function(element) { |
1461 | element = $(element); |
1462 | var method = element.tagName.toLowerCase(); |
1463 | var parameter = Form.Element.Serializers[method](element); |
1464 | |
1465 | if (parameter) { |
1466 | var key = encodeURIComponent(parameter[0]); |
1467 | if (key.length == 0) return; |
1468 | |
1469 | if (parameter[1].constructor != Array) |
1470 | parameter[1] = [parameter[1]]; |
1471 | |
1472 | return parameter[1].map(function(value) { |
1473 | return key + '=' + encodeURIComponent(value); |
1474 | }).join('&'); |
1475 | } |
1476 | }, |
1477 | |
1478 | getValue: function(element) { |
1479 | element = $(element); |
1480 | var method = element.tagName.toLowerCase(); |
1481 | var parameter = Form.Element.Serializers[method](element); |
1482 | |
1483 | if (parameter) |
1484 | return parameter[1]; |
1485 | } |
1486 | } |
1487 | |
1488 | Form.Element.Serializers = { |
1489 | input: function(element) { |
1490 | switch (element.type.toLowerCase()) { |
1491 | case 'submit': |
1492 | case 'hidden': |
1493 | case 'password': |
1494 | case 'text': |
1495 | return Form.Element.Serializers.textarea(element); |
1496 | case 'checkbox': |
1497 | case 'radio': |
1498 | return Form.Element.Serializers.inputSelector(element); |
1499 | } |
1500 | return false; |
1501 | }, |
1502 | |
1503 | inputSelector: function(element) { |
1504 | if (element.checked) |
1505 | return [element.name, element.value]; |
1506 | }, |
1507 | |
1508 | textarea: function(element) { |
1509 | return [element.name, element.value]; |
1510 | }, |
1511 | |
1512 | select: function(element) { |
1513 | return Form.Element.Serializers[element.type == 'select-one' ? |
1514 | 'selectOne' : 'selectMany'](element); |
1515 | }, |
1516 | |
1517 | selectOne: function(element) { |
1518 | var value = '', opt, index = element.selectedIndex; |
1519 | if (index >= 0) { |
1520 | opt = element.options[index]; |
1521 | value = opt.value; |
1522 | if (!value && !('value' in opt)) |
1523 | value = opt.text; |
1524 | } |
1525 | return [element.name, value]; |
1526 | }, |
1527 | |
1528 | selectMany: function(element) { |
1529 | var value = new Array(); |
1530 | for (var i = 0; i < element.length; i++) { |
1531 | var opt = element.options[i]; |
1532 | if (opt.selected) { |
1533 | var optValue = opt.value; |
1534 | if (!optValue && !('value' in opt)) |
1535 | optValue = opt.text; |
1536 | value.push(optValue); |
1537 | } |
1538 | } |
1539 | return [element.name, value]; |
1540 | } |
1541 | } |
1542 | |
1543 | /*--------------------------------------------------------------------------*/ |
1544 | |
1545 | var $F = Form.Element.getValue; |
1546 | |
1547 | /*--------------------------------------------------------------------------*/ |
1548 | |
1549 | Abstract.TimedObserver = function() {} |
1550 | Abstract.TimedObserver.prototype = { |
1551 | initialize: function(element, frequency, callback) { |
1552 | this.frequency = frequency; |
1553 | this.element = $(element); |
1554 | this.callback = callback; |
1555 | |
1556 | this.lastValue = this.getValue(); |
1557 | this.registerCallback(); |
1558 | }, |
1559 | |
1560 | registerCallback: function() { |
1561 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
1562 | }, |
1563 | |
1564 | onTimerEvent: function() { |
1565 | var value = this.getValue(); |
1566 | if (this.lastValue != value) { |
1567 | this.callback(this.element, value); |
1568 | this.lastValue = value; |
1569 | } |
1570 | } |
1571 | } |
1572 | |
1573 | Form.Element.Observer = Class.create(); |
1574 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
1575 | getValue: function() { |
1576 | return Form.Element.getValue(this.element); |
1577 | } |
1578 | }); |
1579 | |
1580 | Form.Observer = Class.create(); |
1581 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
1582 | getValue: function() { |
1583 | return Form.serialize(this.element); |
1584 | } |
1585 | }); |
1586 | |
1587 | /*--------------------------------------------------------------------------*/ |
1588 | |
1589 | Abstract.EventObserver = function() {} |
1590 | Abstract.EventObserver.prototype = { |
1591 | initialize: function(element, callback) { |
1592 | this.element = $(element); |
1593 | this.callback = callback; |
1594 | |
1595 | this.lastValue = this.getValue(); |
1596 | if (this.element.tagName.toLowerCase() == 'form') |
1597 | this.registerFormCallbacks(); |
1598 | else |
1599 | this.registerCallback(this.element); |
1600 | }, |
1601 | |
1602 | onElementEvent: function() { |
1603 | var value = this.getValue(); |
1604 | if (this.lastValue != value) { |
1605 | this.callback(this.element, value); |
1606 | this.lastValue = value; |
1607 | } |
1608 | }, |
1609 | |
1610 | registerFormCallbacks: function() { |
1611 | var elements = Form.getElements(this.element); |
1612 | for (var i = 0; i < elements.length; i++) |
1613 | this.registerCallback(elements[i]); |
1614 | }, |
1615 | |
1616 | registerCallback: function(element) { |
1617 | if (element.type) { |
1618 | switch (element.type.toLowerCase()) { |
1619 | case 'checkbox': |
1620 | case 'radio': |
1621 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
1622 | break; |
1623 | case 'password': |
1624 | case 'text': |
1625 | case 'textarea': |
1626 | case 'select-one': |
1627 | case 'select-multiple': |
1628 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
1629 | break; |
1630 | } |
1631 | } |
1632 | } |
1633 | } |
1634 | |
1635 | Form.Element.EventObserver = Class.create(); |
1636 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
1637 | getValue: function() { |
1638 | return Form.Element.getValue(this.element); |
1639 | } |
1640 | }); |
1641 | |
1642 | Form.EventObserver = Class.create(); |
1643 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
1644 | getValue: function() { |
1645 | return Form.serialize(this.element); |
1646 | } |
1647 | }); |
1648 | if (!window.Event) { |
1649 | var Event = new Object(); |
1650 | } |
1651 | |
1652 | Object.extend(Event, { |
1653 | KEY_BACKSPACE: 8, |
1654 | KEY_TAB: 9, |
1655 | KEY_RETURN: 13, |
1656 | KEY_ESC: 27, |
1657 | KEY_LEFT: 37, |
1658 | KEY_UP: 38, |
1659 | KEY_RIGHT: 39, |
1660 | KEY_DOWN: 40, |
1661 | KEY_DELETE: 46, |
1662 | |
1663 | element: function(event) { |
1664 | return event.target || event.srcElement; |
1665 | }, |
1666 | |
1667 | isLeftClick: function(event) { |
1668 | return (((event.which) && (event.which == 1)) || |
1669 | ((event.button) && (event.button == 1))); |
1670 | }, |
1671 | |
1672 | pointerX: function(event) { |
1673 | return event.pageX || (event.clientX + |
1674 | (document.documentElement.scrollLeft || document.body.scrollLeft)); |
1675 | }, |
1676 | |
1677 | pointerY: function(event) { |
1678 | return event.pageY || (event.clientY + |
1679 | (document.documentElement.scrollTop || document.body.scrollTop)); |
1680 | }, |
1681 | |
1682 | stop: function(event) { |
1683 | if (event.preventDefault) { |
1684 | event.preventDefault(); |
1685 | event.stopPropagation(); |
1686 | } else { |
1687 | event.returnValue = false; |
1688 | event.cancelBubble = true; |
1689 | } |
1690 | }, |
1691 | |
1692 | // find the first node with the given tagName, starting from the |
1693 | // node the event was triggered on; traverses the DOM upwards |
1694 | findElement: function(event, tagName) { |
1695 | var element = Event.element(event); |
1696 | while (element.parentNode && (!element.tagName || |
1697 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
1698 | element = element.parentNode; |
1699 | return element; |
1700 | }, |
1701 | |
1702 | observers: false, |
1703 | |
1704 | _observeAndCache: function(element, name, observer, useCapture) { |
1705 | if (!this.observers) this.observers = []; |
1706 | if (element.addEventListener) { |
1707 | this.observers.push([element, name, observer, useCapture]); |
1708 | element.addEventListener(name, observer, useCapture); |
1709 | } else if (element.attachEvent) { |
1710 | this.observers.push([element, name, observer, useCapture]); |
1711 | element.attachEvent('on' + name, observer); |
1712 | } |
1713 | }, |
1714 | |
1715 | unloadCache: function() { |
1716 | if (!Event.observers) return; |
1717 | for (var i = 0; i < Event.observers.length; i++) { |
1718 | Event.stopObserving.apply(this, Event.observers[i]); |
1719 | Event.observers[i][0] = null; |
1720 | } |
1721 | Event.observers = false; |
1722 | }, |
1723 | |
1724 | observe: function(element, name, observer, useCapture) { |
1725 | var element = $(element); |
1726 | useCapture = useCapture || false; |
1727 | |
1728 | if (name == 'keypress' && |
1729 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
1730 | || element.attachEvent)) |
1731 | name = 'keydown'; |
1732 | |
1733 | this._observeAndCache(element, name, observer, useCapture); |
1734 | }, |
1735 | |
1736 | stopObserving: function(element, name, observer, useCapture) { |
1737 | var element = $(element); |
1738 | useCapture = useCapture || false; |
1739 | |
1740 | if (name == 'keypress' && |
1741 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
1742 | || element.detachEvent)) |
1743 | name = 'keydown'; |
1744 | |
1745 | if (element.removeEventListener) { |
1746 | element.removeEventListener(name, observer, useCapture); |
1747 | } else if (element.detachEvent) { |
1748 | element.detachEvent('on' + name, observer); |
1749 | } |
1750 | } |
1751 | }); |
1752 | |
1753 | /* prevent memory leaks in IE */ |
1754 | Event.observe(window, 'unload', Event.unloadCache, false); |
1755 | var Position = { |
1756 | // set to true if needed, warning: firefox performance problems |
1757 | // NOT neeeded for page scrolling, only if draggable contained in |
1758 | // scrollable elements |
1759 | includeScrollOffsets: false, |
1760 | |
1761 | // must be called before calling withinIncludingScrolloffset, every time the |
1762 | // page is scrolled |
1763 | prepare: function() { |
1764 | this.deltaX = window.pageXOffset |
1765 | || document.documentElement.scrollLeft |
1766 | || document.body.scrollLeft |
1767 | || 0; |
1768 | this.deltaY = window.pageYOffset |
1769 | || document.documentElement.scrollTop |
1770 | || document.body.scrollTop |
1771 | || 0; |
1772 | }, |
1773 | |
1774 | realOffset: function(element) { |
1775 | var valueT = 0, valueL = 0; |
1776 | do { |
1777 | valueT += element.scrollTop || 0; |
1778 | valueL += element.scrollLeft || 0; |
1779 | element = element.parentNode; |
1780 | } while (element); |
1781 | return [valueL, valueT]; |
1782 | }, |
1783 | |
1784 | cumulativeOffset: function(element) { |
1785 | var valueT = 0, valueL = 0; |
1786 | do { |
1787 | valueT += element.offsetTop || 0; |
1788 | valueL += element.offsetLeft || 0; |
1789 | element = element.offsetParent; |
1790 | } while (element); |
1791 | return [valueL, valueT]; |
1792 | }, |
1793 | |
1794 | positionedOffset: function(element) { |
1795 | var valueT = 0, valueL = 0; |
1796 | do { |
1797 | valueT += element.offsetTop || 0; |
1798 | valueL += element.offsetLeft || 0; |
1799 | element = element.offsetParent; |
1800 | if (element) { |
1801 | p = Element.getStyle(element, 'position'); |
1802 | if (p == 'relative' || p == 'absolute') break; |
1803 | } |
1804 | } while (element); |
1805 | return [valueL, valueT]; |
1806 | }, |
1807 | |
1808 | offsetParent: function(element) { |
1809 | if (element.offsetParent) return element.offsetParent; |
1810 | if (element == document.body) return element; |
1811 | |
1812 | while ((element = element.parentNode) && element != document.body) |
1813 | if (Element.getStyle(element, 'position') != 'static') |
1814 | return element; |
1815 | |
1816 | return document.body; |
1817 | }, |
1818 | |
1819 | // caches x/y coordinate pair to use with overlap |
1820 | within: function(element, x, y) { |
1821 | if (this.includeScrollOffsets) |
1822 | return this.withinIncludingScrolloffsets(element, x, y); |
1823 | this.xcomp = x; |
1824 | this.ycomp = y; |
1825 | this.offset = this.cumulativeOffset(element); |
1826 | |
1827 | return (y >= this.offset[1] && |
1828 | y < this.offset[1] + element.offsetHeight && |
1829 | x >= this.offset[0] && |
1830 | x < this.offset[0] + element.offsetWidth); |
1831 | }, |
1832 | |
1833 | withinIncludingScrolloffsets: function(element, x, y) { |
1834 | var offsetcache = this.realOffset(element); |
1835 | |
1836 | this.xcomp = x + offsetcache[0] - this.deltaX; |
1837 | this.ycomp = y + offsetcache[1] - this.deltaY; |
1838 | this.offset = this.cumulativeOffset(element); |
1839 | |
1840 | return (this.ycomp >= this.offset[1] && |
1841 | this.ycomp < this.offset[1] + element.offsetHeight && |
1842 | this.xcomp >= this.offset[0] && |
1843 | this.xcomp < this.offset[0] + element.offsetWidth); |
1844 | }, |
1845 | |
1846 | // within must be called directly before |
1847 | overlap: function(mode, element) { |
1848 | if (!mode) return 0; |
1849 | if (mode == 'vertical') |
1850 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
1851 | element.offsetHeight; |
1852 | if (mode == 'horizontal') |
1853 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
1854 | element.offsetWidth; |
1855 | }, |
1856 | |
1857 | clone: function(source, target) { |
1858 | source = $(source); |
1859 | target = $(target); |
1860 | target.style.position = 'absolute'; |
1861 | var offsets = this.cumulativeOffset(source); |
1862 | target.style.top = offsets[1] + 'px'; |
1863 | target.style.left = offsets[0] + 'px'; |
1864 | target.style.width = source.offsetWidth + 'px'; |
1865 | target.style.height = source.offsetHeight + 'px'; |
1866 | }, |
1867 | |
1868 | page: function(forElement) { |
1869 | var valueT = 0, valueL = 0; |
1870 | |
1871 | var element = forElement; |
1872 | do { |
1873 | valueT += element.offsetTop || 0; |
1874 | valueL += element.offsetLeft || 0; |
1875 | |
1876 | // Safari fix |
1877 | if (element.offsetParent==document.body) |
1878 | if (Element.getStyle(element,'position')=='absolute') break; |
1879 | |
1880 | } while (element = element.offsetParent); |
1881 | |
1882 | element = forElement; |
1883 | do { |
1884 | valueT -= element.scrollTop || 0; |
1885 | valueL -= element.scrollLeft || 0; |
1886 | } while (element = element.parentNode); |
1887 | |
1888 | return [valueL, valueT]; |
1889 | }, |
1890 | |
1891 | clone: function(source, target) { |
1892 | var options = Object.extend({ |
1893 | setLeft: true, |
1894 | setTop: true, |
1895 | setWidth: true, |
1896 | setHeight: true, |
1897 | offsetTop: 0, |
1898 | offsetLeft: 0 |
1899 | }, arguments[2] || {}) |
1900 | |
1901 | // find page position of source |
1902 | source = $(source); |
1903 | var p = Position.page(source); |
1904 | |
1905 | // find coordinate system to use |
1906 | target = $(target); |
1907 | var delta = [0, 0]; |
1908 | var parent = null; |
1909 | // delta [0,0] will do fine with position: fixed elements, |
1910 | // position:absolute needs offsetParent deltas |
1911 | if (Element.getStyle(target,'position') == 'absolute') { |
1912 | parent = Position.offsetParent(target); |
1913 | delta = Position.page(parent); |
1914 | } |
1915 | |
1916 | // correct by body offsets (fixes Safari) |
1917 | if (parent == document.body) { |
1918 | delta[0] -= document.body.offsetLeft; |
1919 | delta[1] -= document.body.offsetTop; |
1920 | } |
1921 | |
1922 | // set position |
1923 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
1924 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
1925 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
1926 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
1927 | }, |
1928 | |
1929 | absolutize: function(element) { |
1930 | element = $(element); |
1931 | if (element.style.position == 'absolute') return; |
1932 | Position.prepare(); |
1933 | |
1934 | var offsets = Position.positionedOffset(element); |
1935 | var top = offsets[1]; |
1936 | var left = offsets[0]; |
1937 | var width = element.clientWidth; |
1938 | var height = element.clientHeight; |
1939 | |
1940 | element._originalLeft = left - parseFloat(element.style.left || 0); |
1941 | element._originalTop = top - parseFloat(element.style.top || 0); |
1942 | element._originalWidth = element.style.width; |
1943 | element._originalHeight = element.style.height; |
1944 | |
1945 | element.style.position = 'absolute'; |
1946 | element.style.top = top + 'px';; |
1947 | element.style.left = left + 'px';; |
1948 | element.style.width = width + 'px';; |
1949 | element.style.height = height + 'px';; |
1950 | }, |
1951 | |
1952 | relativize: function(element) { |
1953 | element = $(element); |
1954 | if (element.style.position == 'relative') return; |
1955 | Position.prepare(); |
1956 | |
1957 | element.style.position = 'relative'; |
1958 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
1959 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
1960 | |
1961 | element.style.top = top + 'px'; |
1962 | element.style.left = left + 'px'; |
1963 | element.style.height = element._originalHeight; |
1964 | element.style.width = element._originalWidth; |
1965 | } |
1966 | } |
1967 | |
1968 | // Safari returns margins on body which is incorrect if the child is absolutely |
1969 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
1970 | // KHTML/WebKit only. |
1971 | if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { |
1972 | Position.cumulativeOffset = function(element) { |
1973 | var valueT = 0, valueL = 0; |
1974 | do { |
1975 | valueT += element.offsetTop || 0; |
1976 | valueL += element.offsetLeft || 0; |
1977 | if (element.offsetParent == document.body) |
1978 | if (Element.getStyle(element, 'position') == 'absolute') break; |
1979 | |
1980 | element = element.offsetParent; |
1981 | } while (element); |
1982 | |
1983 | return [valueL, valueT]; |
1984 | } |
1985 | } |