Changesets can be listed by changeset number.
The Git repository is here.
- Revision:
- 24
- Log:
Initial import of Collaboa 0.5.6 from downloaded Tarball. Collaboa is
a Ruby On Rails based bug tracker and SVN repository browsing tool.
- Author:
- adh
- Date:
- Mon Jul 24 21:54:39 +0100 2006
- Size:
- 47155 Bytes
1 | /* Prototype JavaScript framework, version 1.4.0_rc4 |
2 | * (c) 2005 Sam Stephenson <sam@conio.net> |
3 | * |
4 | * THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff |
5 | * against the source tree, available from the Prototype darcs repository. |
6 | * |
7 | * Prototype is freely distributable under the terms of an MIT-style license. |
8 | * |
9 | * For details, see the Prototype web site: http://prototype.conio.net/ |
10 | * |
11 | /*--------------------------------------------------------------------------*/ |
12 | |
13 | var Prototype = { |
14 | Version: '1.4.0_rc4', |
15 | ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', |
16 | |
17 | emptyFunction: function() {}, |
18 | K: function(x) {return x} |
19 | } |
20 | |
21 | var Class = { |
22 | create: function() { |
23 | return function() { |
24 | this.initialize.apply(this, arguments); |
25 | } |
26 | } |
27 | } |
28 | |
29 | var Abstract = new Object(); |
30 | |
31 | Object.extend = function(destination, source) { |
32 | for (property in source) { |
33 | destination[property] = source[property]; |
34 | } |
35 | return destination; |
36 | } |
37 | |
38 | Object.inspect = function(object) { |
39 | try { |
40 | if (object == undefined) return 'undefined'; |
41 | if (object == null) return 'null'; |
42 | return object.inspect ? object.inspect() : object.toString(); |
43 | } catch (e) { |
44 | if (e instanceof RangeError) return '...'; |
45 | throw e; |
46 | } |
47 | } |
48 | |
49 | Function.prototype.bind = function(object) { |
50 | var __method = this; |
51 | return function() { |
52 | return __method.apply(object, arguments); |
53 | } |
54 | } |
55 | |
56 | Function.prototype.bindAsEventListener = function(object) { |
57 | var __method = this; |
58 | return function(event) { |
59 | return __method.call(object, event || window.event); |
60 | } |
61 | } |
62 | |
63 | Object.extend(Number.prototype, { |
64 | toColorPart: function() { |
65 | var digits = this.toString(16); |
66 | if (this < 16) return '0' + digits; |
67 | return digits; |
68 | }, |
69 | |
70 | succ: function() { |
71 | return this + 1; |
72 | }, |
73 | |
74 | times: function(iterator) { |
75 | $R(0, this, true).each(iterator); |
76 | return this; |
77 | } |
78 | }); |
79 | |
80 | var Try = { |
81 | these: function() { |
82 | var returnValue; |
83 | |
84 | for (var i = 0; i < arguments.length; i++) { |
85 | var lambda = arguments[i]; |
86 | try { |
87 | returnValue = lambda(); |
88 | break; |
89 | } catch (e) {} |
90 | } |
91 | |
92 | return returnValue; |
93 | } |
94 | } |
95 | |
96 | /*--------------------------------------------------------------------------*/ |
97 | |
98 | var PeriodicalExecuter = Class.create(); |
99 | PeriodicalExecuter.prototype = { |
100 | initialize: function(callback, frequency) { |
101 | this.callback = callback; |
102 | this.frequency = frequency; |
103 | this.currentlyExecuting = false; |
104 | |
105 | this.registerCallback(); |
106 | }, |
107 | |
108 | registerCallback: function() { |
109 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
110 | }, |
111 | |
112 | onTimerEvent: function() { |
113 | if (!this.currentlyExecuting) { |
114 | try { |
115 | this.currentlyExecuting = true; |
116 | this.callback(); |
117 | } finally { |
118 | this.currentlyExecuting = false; |
119 | } |
120 | } |
121 | } |
122 | } |
123 | |
124 | /*--------------------------------------------------------------------------*/ |
125 | |
126 | function $() { |
127 | var elements = new Array(); |
128 | |
129 | for (var i = 0; i < arguments.length; i++) { |
130 | var element = arguments[i]; |
131 | if (typeof element == 'string') |
132 | element = document.getElementById(element); |
133 | |
134 | if (arguments.length == 1) |
135 | return element; |
136 | |
137 | elements.push(element); |
138 | } |
139 | |
140 | return elements; |
141 | } |
142 | Object.extend(String.prototype, { |
143 | stripTags: function() { |
144 | return this.replace(/<\/?[^>]+>/gi, ''); |
145 | }, |
146 | |
147 | stripScripts: function() { |
148 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
149 | }, |
150 | |
151 | extractScripts: function() { |
152 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
153 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
154 | return (this.match(matchAll) || []).map(function(scriptTag) { |
155 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
156 | }); |
157 | }, |
158 | |
159 | evalScripts: function() { |
160 | return this.extractScripts().map(eval); |
161 | }, |
162 | |
163 | escapeHTML: function() { |
164 | var div = document.createElement('div'); |
165 | var text = document.createTextNode(this); |
166 | div.appendChild(text); |
167 | return div.innerHTML; |
168 | }, |
169 | |
170 | unescapeHTML: function() { |
171 | var div = document.createElement('div'); |
172 | div.innerHTML = this.stripTags(); |
173 | return div.childNodes[0] ? div.childNodes[0].nodeValue : ''; |
174 | }, |
175 | |
176 | toQueryParams: function() { |
177 | var pairs = this.match(/^\??(.*)$/)[1].split('&'); |
178 | return pairs.inject({}, function(params, pairString) { |
179 | var pair = pairString.split('='); |
180 | params[pair[0]] = pair[1]; |
181 | return params; |
182 | }); |
183 | }, |
184 | |
185 | toArray: function() { |
186 | return this.split(''); |
187 | }, |
188 | |
189 | camelize: function() { |
190 | var oStringList = this.split('-'); |
191 | if (oStringList.length == 1) return oStringList[0]; |
192 | |
193 | var camelizedString = this.indexOf('-') == 0 |
194 | ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) |
195 | : oStringList[0]; |
196 | |
197 | for (var i = 1, len = oStringList.length; i < len; i++) { |
198 | var s = oStringList[i]; |
199 | camelizedString += s.charAt(0).toUpperCase() + s.substring(1); |
200 | } |
201 | |
202 | return camelizedString; |
203 | }, |
204 | |
205 | inspect: function() { |
206 | return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'"; |
207 | } |
208 | }); |
209 | |
210 | String.prototype.parseQuery = String.prototype.toQueryParams; |
211 | |
212 | var $break = new Object(); |
213 | var $continue = new Object(); |
214 | |
215 | var Enumerable = { |
216 | each: function(iterator) { |
217 | var index = 0; |
218 | try { |
219 | this._each(function(value) { |
220 | try { |
221 | iterator(value, index++); |
222 | } catch (e) { |
223 | if (e != $continue) throw e; |
224 | } |
225 | }); |
226 | } catch (e) { |
227 | if (e != $break) throw e; |
228 | } |
229 | }, |
230 | |
231 | all: function(iterator) { |
232 | var result = true; |
233 | this.each(function(value, index) { |
234 | result = result && !!(iterator || Prototype.K)(value, index); |
235 | if (!result) throw $break; |
236 | }); |
237 | return result; |
238 | }, |
239 | |
240 | any: function(iterator) { |
241 | var result = true; |
242 | this.each(function(value, index) { |
243 | if (result = !!(iterator || Prototype.K)(value, index)) |
244 | throw $break; |
245 | }); |
246 | return result; |
247 | }, |
248 | |
249 | collect: function(iterator) { |
250 | var results = []; |
251 | this.each(function(value, index) { |
252 | results.push(iterator(value, index)); |
253 | }); |
254 | return results; |
255 | }, |
256 | |
257 | detect: function (iterator) { |
258 | var result; |
259 | this.each(function(value, index) { |
260 | if (iterator(value, index)) { |
261 | result = value; |
262 | throw $break; |
263 | } |
264 | }); |
265 | return result; |
266 | }, |
267 | |
268 | findAll: function(iterator) { |
269 | var results = []; |
270 | this.each(function(value, index) { |
271 | if (iterator(value, index)) |
272 | results.push(value); |
273 | }); |
274 | return results; |
275 | }, |
276 | |
277 | grep: function(pattern, iterator) { |
278 | var results = []; |
279 | this.each(function(value, index) { |
280 | var stringValue = value.toString(); |
281 | if (stringValue.match(pattern)) |
282 | results.push((iterator || Prototype.K)(value, index)); |
283 | }) |
284 | return results; |
285 | }, |
286 | |
287 | include: function(object) { |
288 | var found = false; |
289 | this.each(function(value) { |
290 | if (value == object) { |
291 | found = true; |
292 | throw $break; |
293 | } |
294 | }); |
295 | return found; |
296 | }, |
297 | |
298 | inject: function(memo, iterator) { |
299 | this.each(function(value, index) { |
300 | memo = iterator(memo, value, index); |
301 | }); |
302 | return memo; |
303 | }, |
304 | |
305 | invoke: function(method) { |
306 | var args = $A(arguments).slice(1); |
307 | return this.collect(function(value) { |
308 | return value[method].apply(value, args); |
309 | }); |
310 | }, |
311 | |
312 | max: function(iterator) { |
313 | var result; |
314 | this.each(function(value, index) { |
315 | value = (iterator || Prototype.K)(value, index); |
316 | if (value >= (result || value)) |
317 | result = value; |
318 | }); |
319 | return result; |
320 | }, |
321 | |
322 | min: function(iterator) { |
323 | var result; |
324 | this.each(function(value, index) { |
325 | value = (iterator || Prototype.K)(value, index); |
326 | if (value <= (result || value)) |
327 | result = value; |
328 | }); |
329 | return result; |
330 | }, |
331 | |
332 | partition: function(iterator) { |
333 | var trues = [], falses = []; |
334 | this.each(function(value, index) { |
335 | ((iterator || Prototype.K)(value, index) ? |
336 | trues : falses).push(value); |
337 | }); |
338 | return [trues, falses]; |
339 | }, |
340 | |
341 | pluck: function(property) { |
342 | var results = []; |
343 | this.each(function(value, index) { |
344 | results.push(value[property]); |
345 | }); |
346 | return results; |
347 | }, |
348 | |
349 | reject: function(iterator) { |
350 | var results = []; |
351 | this.each(function(value, index) { |
352 | if (!iterator(value, index)) |
353 | results.push(value); |
354 | }); |
355 | return results; |
356 | }, |
357 | |
358 | sortBy: function(iterator) { |
359 | return this.collect(function(value, index) { |
360 | return {value: value, criteria: iterator(value, index)}; |
361 | }).sort(function(left, right) { |
362 | var a = left.criteria, b = right.criteria; |
363 | return a < b ? -1 : a > b ? 1 : 0; |
364 | }).pluck('value'); |
365 | }, |
366 | |
367 | toArray: function() { |
368 | return this.collect(Prototype.K); |
369 | }, |
370 | |
371 | zip: function() { |
372 | var iterator = Prototype.K, args = $A(arguments); |
373 | if (typeof args.last() == 'function') |
374 | iterator = args.pop(); |
375 | |
376 | var collections = [this].concat(args).map($A); |
377 | return this.map(function(value, index) { |
378 | iterator(value = collections.pluck(index)); |
379 | return value; |
380 | }); |
381 | }, |
382 | |
383 | inspect: function() { |
384 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
385 | } |
386 | } |
387 | |
388 | Object.extend(Enumerable, { |
389 | map: Enumerable.collect, |
390 | find: Enumerable.detect, |
391 | select: Enumerable.findAll, |
392 | member: Enumerable.include, |
393 | entries: Enumerable.toArray |
394 | }); |
395 | var $A = Array.from = function(iterable) { |
396 | if (iterable.toArray) { |
397 | return iterable.toArray(); |
398 | } else { |
399 | var results = []; |
400 | for (var i = 0; i < iterable.length; i++) |
401 | results.push(iterable[i]); |
402 | return results; |
403 | } |
404 | } |
405 | |
406 | Object.extend(Array.prototype, Enumerable); |
407 | |
408 | Array.prototype._reverse = Array.prototype.reverse; |
409 | |
410 | Object.extend(Array.prototype, { |
411 | _each: function(iterator) { |
412 | for (var i = 0; i < this.length; i++) |
413 | iterator(this[i]); |
414 | }, |
415 | |
416 | clear: function() { |
417 | this.length = 0; |
418 | return this; |
419 | }, |
420 | |
421 | first: function() { |
422 | return this[0]; |
423 | }, |
424 | |
425 | last: function() { |
426 | return this[this.length - 1]; |
427 | }, |
428 | |
429 | compact: function() { |
430 | return this.select(function(value) { |
431 | return value != undefined || value != null; |
432 | }); |
433 | }, |
434 | |
435 | flatten: function() { |
436 | return this.inject([], function(array, value) { |
437 | return array.concat(value.constructor == Array ? |
438 | value.flatten() : [value]); |
439 | }); |
440 | }, |
441 | |
442 | without: function() { |
443 | var values = $A(arguments); |
444 | return this.select(function(value) { |
445 | return !values.include(value); |
446 | }); |
447 | }, |
448 | |
449 | indexOf: function(object) { |
450 | for (var i = 0; i < this.length; i++) |
451 | if (this[i] == object) return i; |
452 | return -1; |
453 | }, |
454 | |
455 | reverse: function(inline) { |
456 | return (inline !== false ? this : this.toArray())._reverse(); |
457 | }, |
458 | |
459 | inspect: function() { |
460 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
461 | } |
462 | }); |
463 | var Hash = { |
464 | _each: function(iterator) { |
465 | for (key in this) { |
466 | var value = this[key]; |
467 | if (typeof value == 'function') continue; |
468 | |
469 | var pair = [key, value]; |
470 | pair.key = key; |
471 | pair.value = value; |
472 | iterator(pair); |
473 | } |
474 | }, |
475 | |
476 | keys: function() { |
477 | return this.pluck('key'); |
478 | }, |
479 | |
480 | values: function() { |
481 | return this.pluck('value'); |
482 | }, |
483 | |
484 | merge: function(hash) { |
485 | return $H(hash).inject($H(this), function(mergedHash, pair) { |
486 | mergedHash[pair.key] = pair.value; |
487 | return mergedHash; |
488 | }); |
489 | }, |
490 | |
491 | toQueryString: function() { |
492 | return this.map(function(pair) { |
493 | return pair.map(encodeURIComponent).join('='); |
494 | }).join('&'); |
495 | }, |
496 | |
497 | inspect: function() { |
498 | return '#<Hash:{' + this.map(function(pair) { |
499 | return pair.map(Object.inspect).join(': '); |
500 | }).join(', ') + '}>'; |
501 | } |
502 | } |
503 | |
504 | function $H(object) { |
505 | var hash = Object.extend({}, object || {}); |
506 | Object.extend(hash, Enumerable); |
507 | Object.extend(hash, Hash); |
508 | return hash; |
509 | } |
510 | ObjectRange = Class.create(); |
511 | Object.extend(ObjectRange.prototype, Enumerable); |
512 | Object.extend(ObjectRange.prototype, { |
513 | initialize: function(start, end, exclusive) { |
514 | this.start = start; |
515 | this.end = end; |
516 | this.exclusive = exclusive; |
517 | }, |
518 | |
519 | _each: function(iterator) { |
520 | var value = this.start; |
521 | do { |
522 | iterator(value); |
523 | value = value.succ(); |
524 | } while (this.include(value)); |
525 | }, |
526 | |
527 | include: function(value) { |
528 | if (value < this.start) |
529 | return false; |
530 | if (this.exclusive) |
531 | return value < this.end; |
532 | return value <= this.end; |
533 | } |
534 | }); |
535 | |
536 | var $R = function(start, end, exclusive) { |
537 | return new ObjectRange(start, end, exclusive); |
538 | } |
539 | |
540 | var Ajax = { |
541 | getTransport: function() { |
542 | return Try.these( |
543 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
544 | function() {return new ActiveXObject('Microsoft.XMLHTTP')}, |
545 | function() {return new XMLHttpRequest()} |
546 | ) || false; |
547 | }, |
548 | |
549 | activeRequestCount: 0 |
550 | } |
551 | |
552 | Ajax.Responders = { |
553 | responders: [], |
554 | |
555 | _each: function(iterator) { |
556 | this.responders._each(iterator); |
557 | }, |
558 | |
559 | register: function(responderToAdd) { |
560 | if (!this.include(responderToAdd)) |
561 | this.responders.push(responderToAdd); |
562 | }, |
563 | |
564 | unregister: function(responderToRemove) { |
565 | this.responders = this.responders.without(responderToRemove); |
566 | }, |
567 | |
568 | dispatch: function(callback, request, transport, json) { |
569 | this.each(function(responder) { |
570 | if (responder[callback] && typeof responder[callback] == 'function') { |
571 | try { |
572 | responder[callback].apply(responder, [request, transport, json]); |
573 | } catch (e) {} |
574 | } |
575 | }); |
576 | } |
577 | }; |
578 | |
579 | Object.extend(Ajax.Responders, Enumerable); |
580 | |
581 | Ajax.Responders.register({ |
582 | onCreate: function() { |
583 | Ajax.activeRequestCount++; |
584 | }, |
585 | |
586 | onComplete: function() { |
587 | Ajax.activeRequestCount--; |
588 | } |
589 | }); |
590 | |
591 | Ajax.Base = function() {}; |
592 | Ajax.Base.prototype = { |
593 | setOptions: function(options) { |
594 | this.options = { |
595 | method: 'post', |
596 | asynchronous: true, |
597 | parameters: '' |
598 | } |
599 | Object.extend(this.options, options || {}); |
600 | }, |
601 | |
602 | responseIsSuccess: function() { |
603 | return this.transport.status == undefined |
604 | || this.transport.status == 0 |
605 | || (this.transport.status >= 200 && this.transport.status < 300); |
606 | }, |
607 | |
608 | responseIsFailure: function() { |
609 | return !this.responseIsSuccess(); |
610 | } |
611 | } |
612 | |
613 | Ajax.Request = Class.create(); |
614 | Ajax.Request.Events = |
615 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
616 | |
617 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { |
618 | initialize: function(url, options) { |
619 | this.transport = Ajax.getTransport(); |
620 | this.setOptions(options); |
621 | this.request(url); |
622 | }, |
623 | |
624 | request: function(url) { |
625 | var parameters = this.options.parameters || ''; |
626 | if (parameters.length > 0) parameters += '&_='; |
627 | |
628 | try { |
629 | this.url = url; |
630 | if (this.options.method == 'get' && parameters.length > 0) |
631 | this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; |
632 | |
633 | Ajax.Responders.dispatch('onCreate', this, this.transport); |
634 | |
635 | this.transport.open(this.options.method, this.url, |
636 | this.options.asynchronous); |
637 | |
638 | if (this.options.asynchronous) { |
639 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
640 | setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); |
641 | } |
642 | |
643 | this.setRequestHeaders(); |
644 | |
645 | var body = this.options.postBody ? this.options.postBody : parameters; |
646 | this.transport.send(this.options.method == 'post' ? body : null); |
647 | |
648 | } catch (e) { |
649 | this.dispatchException(e); |
650 | } |
651 | }, |
652 | |
653 | setRequestHeaders: function() { |
654 | var requestHeaders = |
655 | ['X-Requested-With', 'XMLHttpRequest', |
656 | 'X-Prototype-Version', Prototype.Version]; |
657 | |
658 | if (this.options.method == 'post') { |
659 | requestHeaders.push('Content-type', |
660 | 'application/x-www-form-urlencoded'); |
661 | |
662 | /* Force "Connection: close" for Mozilla browsers to work around |
663 | * a bug where XMLHttpReqeuest sends an incorrect Content-length |
664 | * header. See Mozilla Bugzilla #246651. |
665 | */ |
666 | if (this.transport.overrideMimeType) |
667 | requestHeaders.push('Connection', 'close'); |
668 | } |
669 | |
670 | if (this.options.requestHeaders) |
671 | requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); |
672 | |
673 | for (var i = 0; i < requestHeaders.length; i += 2) |
674 | this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); |
675 | }, |
676 | |
677 | onStateChange: function() { |
678 | var readyState = this.transport.readyState; |
679 | if (readyState != 1) |
680 | this.respondToReadyState(this.transport.readyState); |
681 | }, |
682 | |
683 | header: function(name) { |
684 | try { |
685 | return this.transport.getResponseHeader(name); |
686 | } catch (e) {} |
687 | }, |
688 | |
689 | evalJSON: function() { |
690 | try { |
691 | return eval(this.header('X-JSON')); |
692 | } catch (e) {} |
693 | }, |
694 | |
695 | evalResponse: function() { |
696 | try { |
697 | return eval(this.transport.responseText); |
698 | } catch (e) { |
699 | this.dispatchException(e); |
700 | } |
701 | }, |
702 | |
703 | respondToReadyState: function(readyState) { |
704 | var event = Ajax.Request.Events[readyState]; |
705 | var transport = this.transport, json = this.evalJSON(); |
706 | |
707 | if (event == 'Complete') { |
708 | try { |
709 | (this.options['on' + this.transport.status] |
710 | || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] |
711 | || Prototype.emptyFunction)(transport, json); |
712 | } catch (e) { |
713 | this.dispatchException(e); |
714 | } |
715 | |
716 | if ((this.header('Content-type') || '').match(/^text\/javascript/i)) |
717 | this.evalResponse(); |
718 | } |
719 | |
720 | try { |
721 | (this.options['on' + event] || Prototype.emptyFunction)(transport, json); |
722 | Ajax.Responders.dispatch('on' + event, this, transport, json); |
723 | } catch (e) { |
724 | this.dispatchException(e); |
725 | } |
726 | |
727 | /* Avoid memory leak in MSIE: clean up the oncomplete event handler */ |
728 | if (event == 'Complete') |
729 | this.transport.onreadystatechange = Prototype.emptyFunction; |
730 | }, |
731 | |
732 | dispatchException: function(exception) { |
733 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
734 | Ajax.Responders.dispatch('onException', this, exception); |
735 | } |
736 | }); |
737 | |
738 | Ajax.Updater = Class.create(); |
739 | |
740 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { |
741 | initialize: function(container, url, options) { |
742 | this.containers = { |
743 | success: container.success ? $(container.success) : $(container), |
744 | failure: container.failure ? $(container.failure) : |
745 | (container.success ? null : $(container)) |
746 | } |
747 | |
748 | this.transport = Ajax.getTransport(); |
749 | this.setOptions(options); |
750 | |
751 | var onComplete = this.options.onComplete || Prototype.emptyFunction; |
752 | this.options.onComplete = (function(transport, object) { |
753 | this.updateContent(); |
754 | onComplete(transport, object); |
755 | }).bind(this); |
756 | |
757 | this.request(url); |
758 | }, |
759 | |
760 | updateContent: function() { |
761 | var receiver = this.responseIsSuccess() ? |
762 | this.containers.success : this.containers.failure; |
763 | var response = this.transport.responseText; |
764 | |
765 | if (!this.options.evalScripts) |
766 | response = response.stripScripts(); |
767 | |
768 | if (receiver) { |
769 | if (this.options.insertion) { |
770 | new this.options.insertion(receiver, response); |
771 | } else { |
772 | Element.update(receiver, response); |
773 | } |
774 | } |
775 | |
776 | if (this.responseIsSuccess()) { |
777 | if (this.onComplete) |
778 | setTimeout(this.onComplete.bind(this), 10); |
779 | } |
780 | } |
781 | }); |
782 | |
783 | Ajax.PeriodicalUpdater = Class.create(); |
784 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { |
785 | initialize: function(container, url, options) { |
786 | this.setOptions(options); |
787 | this.onComplete = this.options.onComplete; |
788 | |
789 | this.frequency = (this.options.frequency || 2); |
790 | this.decay = (this.options.decay || 1); |
791 | |
792 | this.updater = {}; |
793 | this.container = container; |
794 | this.url = url; |
795 | |
796 | this.start(); |
797 | }, |
798 | |
799 | start: function() { |
800 | this.options.onComplete = this.updateComplete.bind(this); |
801 | this.onTimerEvent(); |
802 | }, |
803 | |
804 | stop: function() { |
805 | this.updater.onComplete = undefined; |
806 | clearTimeout(this.timer); |
807 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
808 | }, |
809 | |
810 | updateComplete: function(request) { |
811 | if (this.options.decay) { |
812 | this.decay = (request.responseText == this.lastText ? |
813 | this.decay * this.options.decay : 1); |
814 | |
815 | this.lastText = request.responseText; |
816 | } |
817 | this.timer = setTimeout(this.onTimerEvent.bind(this), |
818 | this.decay * this.frequency * 1000); |
819 | }, |
820 | |
821 | onTimerEvent: function() { |
822 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
823 | } |
824 | }); |
825 | document.getElementsByClassName = function(className, parentElement) { |
826 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); |
827 | return $A(children).inject([], function(elements, child) { |
828 | if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) |
829 | elements.push(child); |
830 | return elements; |
831 | }); |
832 | } |
833 | |
834 | /*--------------------------------------------------------------------------*/ |
835 | |
836 | if (!window.Element) { |
837 | var Element = new Object(); |
838 | } |
839 | |
840 | Object.extend(Element, { |
841 | visible: function(element) { |
842 | return $(element).style.display != 'none'; |
843 | }, |
844 | |
845 | toggle: function() { |
846 | for (var i = 0; i < arguments.length; i++) { |
847 | var element = $(arguments[i]); |
848 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
849 | } |
850 | }, |
851 | |
852 | hide: function() { |
853 | for (var i = 0; i < arguments.length; i++) { |
854 | var element = $(arguments[i]); |
855 | element.style.display = 'none'; |
856 | } |
857 | }, |
858 | |
859 | show: function() { |
860 | for (var i = 0; i < arguments.length; i++) { |
861 | var element = $(arguments[i]); |
862 | element.style.display = ''; |
863 | } |
864 | }, |
865 | |
866 | remove: function(element) { |
867 | element = $(element); |
868 | element.parentNode.removeChild(element); |
869 | }, |
870 | |
871 | update: function(element, html) { |
872 | $(element).innerHTML = html.stripScripts(); |
873 | setTimeout(function() {html.evalScripts()}, 10); |
874 | }, |
875 | |
876 | getHeight: function(element) { |
877 | element = $(element); |
878 | return element.offsetHeight; |
879 | }, |
880 | |
881 | classNames: function(element) { |
882 | return new Element.ClassNames(element); |
883 | }, |
884 | |
885 | hasClassName: function(element, className) { |
886 | if (!(element = $(element))) return; |
887 | return Element.classNames(element).include(className); |
888 | }, |
889 | |
890 | addClassName: function(element, className) { |
891 | if (!(element = $(element))) return; |
892 | return Element.classNames(element).add(className); |
893 | }, |
894 | |
895 | removeClassName: function(element, className) { |
896 | if (!(element = $(element))) return; |
897 | return Element.classNames(element).remove(className); |
898 | }, |
899 | |
900 | // removes whitespace-only text node children |
901 | cleanWhitespace: function(element) { |
902 | element = $(element); |
903 | for (var i = 0; i < element.childNodes.length; i++) { |
904 | var node = element.childNodes[i]; |
905 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
906 | Element.remove(node); |
907 | } |
908 | }, |
909 | |
910 | empty: function(element) { |
911 | return $(element).innerHTML.match(/^\s*$/); |
912 | }, |
913 | |
914 | scrollTo: function(element) { |
915 | element = $(element); |
916 | var x = element.x ? element.x : element.offsetLeft, |
917 | y = element.y ? element.y : element.offsetTop; |
918 | window.scrollTo(x, y); |
919 | }, |
920 | |
921 | getStyle: function(element, style) { |
922 | element = $(element); |
923 | var value = element.style[style.camelize()]; |
924 | if (!value) { |
925 | if (document.defaultView && document.defaultView.getComputedStyle) { |
926 | var css = document.defaultView.getComputedStyle(element, null); |
927 | value = css ? css.getPropertyValue(style) : null; |
928 | } else if (element.currentStyle) { |
929 | value = element.currentStyle[style.camelize()]; |
930 | } |
931 | } |
932 | |
933 | if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) |
934 | if (Element.getStyle(element, 'position') == 'static') value = 'auto'; |
935 | |
936 | return value == 'auto' ? null : value; |
937 | }, |
938 | |
939 | setStyle: function(element, style) { |
940 | element = $(element); |
941 | for (name in style) |
942 | element.style[name.camelize()] = style[name]; |
943 | }, |
944 | |
945 | getDimensions: function(element) { |
946 | element = $(element); |
947 | if (Element.getStyle(element, 'display') != 'none') |
948 | return {width: element.offsetWidth, height: element.offsetHeight}; |
949 | |
950 | // All *Width and *Height properties give 0 on elements with display none, |
951 | // so enable the element temporarily |
952 | var els = element.style; |
953 | var originalVisibility = els.visibility; |
954 | var originalPosition = els.position; |
955 | els.visibility = 'hidden'; |
956 | els.position = 'absolute'; |
957 | els.display = ''; |
958 | var originalWidth = element.clientWidth; |
959 | var originalHeight = element.clientHeight; |
960 | els.display = 'none'; |
961 | els.position = originalPosition; |
962 | els.visibility = originalVisibility; |
963 | return {width: originalWidth, height: originalHeight}; |
964 | }, |
965 | |
966 | makePositioned: function(element) { |
967 | element = $(element); |
968 | var pos = Element.getStyle(element, 'position'); |
969 | if (pos == 'static' || !pos) { |
970 | element._madePositioned = true; |
971 | element.style.position = 'relative'; |
972 | // Opera returns the offset relative to the positioning context, when an |
973 | // element is position relative but top and left have not been defined |
974 | if (window.opera) { |
975 | element.style.top = 0; |
976 | element.style.left = 0; |
977 | } |
978 | } |
979 | }, |
980 | |
981 | undoPositioned: function(element) { |
982 | element = $(element); |
983 | if (element._madePositioned) { |
984 | element._madePositioned = undefined; |
985 | element.style.position = |
986 | element.style.top = |
987 | element.style.left = |
988 | element.style.bottom = |
989 | element.style.right = ''; |
990 | } |
991 | }, |
992 | |
993 | makeClipping: function(element) { |
994 | element = $(element); |
995 | if (element._overflow) return; |
996 | element._overflow = element.style.overflow; |
997 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
998 | element.style.overflow = 'hidden'; |
999 | }, |
1000 | |
1001 | undoClipping: function(element) { |
1002 | element = $(element); |
1003 | if (element._overflow) return; |
1004 | element.style.overflow = element._overflow; |
1005 | element._overflow = undefined; |
1006 | } |
1007 | }); |
1008 | |
1009 | var Toggle = new Object(); |
1010 | Toggle.display = Element.toggle; |
1011 | |
1012 | /*--------------------------------------------------------------------------*/ |
1013 | |
1014 | Abstract.Insertion = function(adjacency) { |
1015 | this.adjacency = adjacency; |
1016 | } |
1017 | |
1018 | Abstract.Insertion.prototype = { |
1019 | initialize: function(element, content) { |
1020 | this.element = $(element); |
1021 | this.content = content.stripScripts(); |
1022 | |
1023 | if (this.adjacency && this.element.insertAdjacentHTML) { |
1024 | try { |
1025 | this.element.insertAdjacentHTML(this.adjacency, this.content); |
1026 | } catch (e) { |
1027 | if (this.element.tagName.toLowerCase() == 'tbody') { |
1028 | this.insertContent(this.contentFromAnonymousTable()); |
1029 | } else { |
1030 | throw e; |
1031 | } |
1032 | } |
1033 | } else { |
1034 | this.range = this.element.ownerDocument.createRange(); |
1035 | if (this.initializeRange) this.initializeRange(); |
1036 | this.insertContent([this.range.createContextualFragment(this.content)]); |
1037 | } |
1038 | |
1039 | setTimeout(function() {content.evalScripts()}, 10); |
1040 | }, |
1041 | |
1042 | contentFromAnonymousTable: function() { |
1043 | var div = document.createElement('div'); |
1044 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; |
1045 | return $A(div.childNodes[0].childNodes[0].childNodes); |
1046 | } |
1047 | } |
1048 | |
1049 | var Insertion = new Object(); |
1050 | |
1051 | Insertion.Before = Class.create(); |
1052 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { |
1053 | initializeRange: function() { |
1054 | this.range.setStartBefore(this.element); |
1055 | }, |
1056 | |
1057 | insertContent: function(fragments) { |
1058 | fragments.each((function(fragment) { |
1059 | this.element.parentNode.insertBefore(fragment, this.element); |
1060 | }).bind(this)); |
1061 | } |
1062 | }); |
1063 | |
1064 | Insertion.Top = Class.create(); |
1065 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { |
1066 | initializeRange: function() { |
1067 | this.range.selectNodeContents(this.element); |
1068 | this.range.collapse(true); |
1069 | }, |
1070 | |
1071 | insertContent: function(fragments) { |
1072 | fragments.reverse(false).each((function(fragment) { |
1073 | this.element.insertBefore(fragment, this.element.firstChild); |
1074 | }).bind(this)); |
1075 | } |
1076 | }); |
1077 | |
1078 | Insertion.Bottom = Class.create(); |
1079 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { |
1080 | initializeRange: function() { |
1081 | this.range.selectNodeContents(this.element); |
1082 | this.range.collapse(this.element); |
1083 | }, |
1084 | |
1085 | insertContent: function(fragments) { |
1086 | fragments.each((function(fragment) { |
1087 | this.element.appendChild(fragment); |
1088 | }).bind(this)); |
1089 | } |
1090 | }); |
1091 | |
1092 | Insertion.After = Class.create(); |
1093 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { |
1094 | initializeRange: function() { |
1095 | this.range.setStartAfter(this.element); |
1096 | }, |
1097 | |
1098 | insertContent: function(fragments) { |
1099 | fragments.each((function(fragment) { |
1100 | this.element.parentNode.insertBefore(fragment, |
1101 | this.element.nextSibling); |
1102 | }).bind(this)); |
1103 | } |
1104 | }); |
1105 | |
1106 | /*--------------------------------------------------------------------------*/ |
1107 | |
1108 | Element.ClassNames = Class.create(); |
1109 | Element.ClassNames.prototype = { |
1110 | initialize: function(element) { |
1111 | this.element = $(element); |
1112 | }, |
1113 | |
1114 | _each: function(iterator) { |
1115 | this.element.className.split(/\s+/).select(function(name) { |
1116 | return name.length > 0; |
1117 | })._each(iterator); |
1118 | }, |
1119 | |
1120 | set: function(className) { |
1121 | this.element.className = className; |
1122 | }, |
1123 | |
1124 | add: function(classNameToAdd) { |
1125 | if (this.include(classNameToAdd)) return; |
1126 | this.set(this.toArray().concat(classNameToAdd).join(' ')); |
1127 | }, |
1128 | |
1129 | remove: function(classNameToRemove) { |
1130 | if (!this.include(classNameToRemove)) return; |
1131 | this.set(this.select(function(className) { |
1132 | return className != classNameToRemove; |
1133 | }).join(' ')); |
1134 | }, |
1135 | |
1136 | toString: function() { |
1137 | return this.toArray().join(' '); |
1138 | } |
1139 | } |
1140 | |
1141 | Object.extend(Element.ClassNames.prototype, Enumerable); |
1142 | var Field = { |
1143 | clear: function() { |
1144 | for (var i = 0; i < arguments.length; i++) |
1145 | $(arguments[i]).value = ''; |
1146 | }, |
1147 | |
1148 | focus: function(element) { |
1149 | $(element).focus(); |
1150 | }, |
1151 | |
1152 | present: function() { |
1153 | for (var i = 0; i < arguments.length; i++) |
1154 | if ($(arguments[i]).value == '') return false; |
1155 | return true; |
1156 | }, |
1157 | |
1158 | select: function(element) { |
1159 | $(element).select(); |
1160 | }, |
1161 | |
1162 | activate: function(element) { |
1163 | element = $(element); |
1164 | element.focus(); |
1165 | if (element.select) |
1166 | element.select(); |
1167 | } |
1168 | } |
1169 | |
1170 | /*--------------------------------------------------------------------------*/ |
1171 | |
1172 | var Form = { |
1173 | serialize: function(form) { |
1174 | var elements = Form.getElements($(form)); |
1175 | var queryComponents = new Array(); |
1176 | |
1177 | for (var i = 0; i < elements.length; i++) { |
1178 | var queryComponent = Form.Element.serialize(elements[i]); |
1179 | if (queryComponent) |
1180 | queryComponents.push(queryComponent); |
1181 | } |
1182 | |
1183 | return queryComponents.join('&'); |
1184 | }, |
1185 | |
1186 | getElements: function(form) { |
1187 | form = $(form); |
1188 | var elements = new Array(); |
1189 | |
1190 | for (tagName in Form.Element.Serializers) { |
1191 | var tagElements = form.getElementsByTagName(tagName); |
1192 | for (var j = 0; j < tagElements.length; j++) |
1193 | elements.push(tagElements[j]); |
1194 | } |
1195 | return elements; |
1196 | }, |
1197 | |
1198 | getInputs: function(form, typeName, name) { |
1199 | form = $(form); |
1200 | var inputs = form.getElementsByTagName('input'); |
1201 | |
1202 | if (!typeName && !name) |
1203 | return inputs; |
1204 | |
1205 | var matchingInputs = new Array(); |
1206 | for (var i = 0; i < inputs.length; i++) { |
1207 | var input = inputs[i]; |
1208 | if ((typeName && input.type != typeName) || |
1209 | (name && input.name != name)) |
1210 | continue; |
1211 | matchingInputs.push(input); |
1212 | } |
1213 | |
1214 | return matchingInputs; |
1215 | }, |
1216 | |
1217 | disable: function(form) { |
1218 | var elements = Form.getElements(form); |
1219 | for (var i = 0; i < elements.length; i++) { |
1220 | var element = elements[i]; |
1221 | element.blur(); |
1222 | element.disabled = 'true'; |
1223 | } |
1224 | }, |
1225 | |
1226 | enable: function(form) { |
1227 | var elements = Form.getElements(form); |
1228 | for (var i = 0; i < elements.length; i++) { |
1229 | var element = elements[i]; |
1230 | element.disabled = ''; |
1231 | } |
1232 | }, |
1233 | |
1234 | findFirstElement: function(form) { |
1235 | return Form.getElements(form).find(function(element) { |
1236 | return element.type != 'hidden' && !element.disabled && |
1237 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
1238 | }); |
1239 | }, |
1240 | |
1241 | focusFirstElement: function(form) { |
1242 | Field.activate(Form.findFirstElement(form)); |
1243 | }, |
1244 | |
1245 | reset: function(form) { |
1246 | $(form).reset(); |
1247 | } |
1248 | } |
1249 | |
1250 | Form.Element = { |
1251 | serialize: function(element) { |
1252 | element = $(element); |
1253 | var method = element.tagName.toLowerCase(); |
1254 | var parameter = Form.Element.Serializers[method](element); |
1255 | |
1256 | if (parameter) |
1257 | return encodeURIComponent(parameter[0]) + '=' + |
1258 | encodeURIComponent(parameter[1]); |
1259 | }, |
1260 | |
1261 | getValue: function(element) { |
1262 | element = $(element); |
1263 | var method = element.tagName.toLowerCase(); |
1264 | var parameter = Form.Element.Serializers[method](element); |
1265 | |
1266 | if (parameter) |
1267 | return parameter[1]; |
1268 | } |
1269 | } |
1270 | |
1271 | Form.Element.Serializers = { |
1272 | input: function(element) { |
1273 | switch (element.type.toLowerCase()) { |
1274 | case 'submit': |
1275 | case 'hidden': |
1276 | case 'password': |
1277 | case 'text': |
1278 | return Form.Element.Serializers.textarea(element); |
1279 | case 'checkbox': |
1280 | case 'radio': |
1281 | return Form.Element.Serializers.inputSelector(element); |
1282 | } |
1283 | return false; |
1284 | }, |
1285 | |
1286 | inputSelector: function(element) { |
1287 | if (element.checked) |
1288 | return [element.name, element.value]; |
1289 | }, |
1290 | |
1291 | textarea: function(element) { |
1292 | return [element.name, element.value]; |
1293 | }, |
1294 | |
1295 | select: function(element) { |
1296 | return Form.Element.Serializers[element.type == 'select-one' ? |
1297 | 'selectOne' : 'selectMany'](element); |
1298 | }, |
1299 | |
1300 | selectOne: function(element) { |
1301 | var value = '', opt, index = element.selectedIndex; |
1302 | if (index >= 0) { |
1303 | opt = element.options[index]; |
1304 | value = opt.value; |
1305 | if (!value && !('value' in opt)) |
1306 | value = opt.text; |
1307 | } |
1308 | return [element.name, value]; |
1309 | }, |
1310 | |
1311 | selectMany: function(element) { |
1312 | var value = new Array(); |
1313 | for (var i = 0; i < element.length; i++) { |
1314 | var opt = element.options[i]; |
1315 | if (opt.selected) { |
1316 | var optValue = opt.value; |
1317 | if (!optValue && !('value' in opt)) |
1318 | optValue = opt.text; |
1319 | value.push(optValue); |
1320 | } |
1321 | } |
1322 | return [element.name, value]; |
1323 | } |
1324 | } |
1325 | |
1326 | /*--------------------------------------------------------------------------*/ |
1327 | |
1328 | var $F = Form.Element.getValue; |
1329 | |
1330 | /*--------------------------------------------------------------------------*/ |
1331 | |
1332 | Abstract.TimedObserver = function() {} |
1333 | Abstract.TimedObserver.prototype = { |
1334 | initialize: function(element, frequency, callback) { |
1335 | this.frequency = frequency; |
1336 | this.element = $(element); |
1337 | this.callback = callback; |
1338 | |
1339 | this.lastValue = this.getValue(); |
1340 | this.registerCallback(); |
1341 | }, |
1342 | |
1343 | registerCallback: function() { |
1344 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
1345 | }, |
1346 | |
1347 | onTimerEvent: function() { |
1348 | var value = this.getValue(); |
1349 | if (this.lastValue != value) { |
1350 | this.callback(this.element, value); |
1351 | this.lastValue = value; |
1352 | } |
1353 | } |
1354 | } |
1355 | |
1356 | Form.Element.Observer = Class.create(); |
1357 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
1358 | getValue: function() { |
1359 | return Form.Element.getValue(this.element); |
1360 | } |
1361 | }); |
1362 | |
1363 | Form.Observer = Class.create(); |
1364 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { |
1365 | getValue: function() { |
1366 | return Form.serialize(this.element); |
1367 | } |
1368 | }); |
1369 | |
1370 | /*--------------------------------------------------------------------------*/ |
1371 | |
1372 | Abstract.EventObserver = function() {} |
1373 | Abstract.EventObserver.prototype = { |
1374 | initialize: function(element, callback) { |
1375 | this.element = $(element); |
1376 | this.callback = callback; |
1377 | |
1378 | this.lastValue = this.getValue(); |
1379 | if (this.element.tagName.toLowerCase() == 'form') |
1380 | this.registerFormCallbacks(); |
1381 | else |
1382 | this.registerCallback(this.element); |
1383 | }, |
1384 | |
1385 | onElementEvent: function() { |
1386 | var value = this.getValue(); |
1387 | if (this.lastValue != value) { |
1388 | this.callback(this.element, value); |
1389 | this.lastValue = value; |
1390 | } |
1391 | }, |
1392 | |
1393 | registerFormCallbacks: function() { |
1394 | var elements = Form.getElements(this.element); |
1395 | for (var i = 0; i < elements.length; i++) |
1396 | this.registerCallback(elements[i]); |
1397 | }, |
1398 | |
1399 | registerCallback: function(element) { |
1400 | if (element.type) { |
1401 | switch (element.type.toLowerCase()) { |
1402 | case 'checkbox': |
1403 | case 'radio': |
1404 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
1405 | break; |
1406 | case 'password': |
1407 | case 'text': |
1408 | case 'textarea': |
1409 | case 'select-one': |
1410 | case 'select-multiple': |
1411 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
1412 | break; |
1413 | } |
1414 | } |
1415 | } |
1416 | } |
1417 | |
1418 | Form.Element.EventObserver = Class.create(); |
1419 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
1420 | getValue: function() { |
1421 | return Form.Element.getValue(this.element); |
1422 | } |
1423 | }); |
1424 | |
1425 | Form.EventObserver = Class.create(); |
1426 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { |
1427 | getValue: function() { |
1428 | return Form.serialize(this.element); |
1429 | } |
1430 | }); |
1431 | if (!window.Event) { |
1432 | var Event = new Object(); |
1433 | } |
1434 | |
1435 | Object.extend(Event, { |
1436 | KEY_BACKSPACE: 8, |
1437 | KEY_TAB: 9, |
1438 | KEY_RETURN: 13, |
1439 | KEY_ESC: 27, |
1440 | KEY_LEFT: 37, |
1441 | KEY_UP: 38, |
1442 | KEY_RIGHT: 39, |
1443 | KEY_DOWN: 40, |
1444 | KEY_DELETE: 46, |
1445 | |
1446 | element: function(event) { |
1447 | return event.target || event.srcElement; |
1448 | }, |
1449 | |
1450 | isLeftClick: function(event) { |
1451 | return (((event.which) && (event.which == 1)) || |
1452 | ((event.button) && (event.button == 1))); |
1453 | }, |
1454 | |
1455 | pointerX: function(event) { |
1456 | return event.pageX || (event.clientX + |
1457 | (document.documentElement.scrollLeft || document.body.scrollLeft)); |
1458 | }, |
1459 | |
1460 | pointerY: function(event) { |
1461 | return event.pageY || (event.clientY + |
1462 | (document.documentElement.scrollTop || document.body.scrollTop)); |
1463 | }, |
1464 | |
1465 | stop: function(event) { |
1466 | if (event.preventDefault) { |
1467 | event.preventDefault(); |
1468 | event.stopPropagation(); |
1469 | } else { |
1470 | event.returnValue = false; |
1471 | event.cancelBubble = true; |
1472 | } |
1473 | }, |
1474 | |
1475 | // find the first node with the given tagName, starting from the |
1476 | // node the event was triggered on; traverses the DOM upwards |
1477 | findElement: function(event, tagName) { |
1478 | var element = Event.element(event); |
1479 | while (element.parentNode && (!element.tagName || |
1480 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) |
1481 | element = element.parentNode; |
1482 | return element; |
1483 | }, |
1484 | |
1485 | observers: false, |
1486 | |
1487 | _observeAndCache: function(element, name, observer, useCapture) { |
1488 | if (!this.observers) this.observers = []; |
1489 | if (element.addEventListener) { |
1490 | this.observers.push([element, name, observer, useCapture]); |
1491 | element.addEventListener(name, observer, useCapture); |
1492 | } else if (element.attachEvent) { |
1493 | this.observers.push([element, name, observer, useCapture]); |
1494 | element.attachEvent('on' + name, observer); |
1495 | } |
1496 | }, |
1497 | |
1498 | unloadCache: function() { |
1499 | if (!Event.observers) return; |
1500 | for (var i = 0; i < Event.observers.length; i++) { |
1501 | Event.stopObserving.apply(this, Event.observers[i]); |
1502 | Event.observers[i][0] = null; |
1503 | } |
1504 | Event.observers = false; |
1505 | }, |
1506 | |
1507 | observe: function(element, name, observer, useCapture) { |
1508 | var element = $(element); |
1509 | useCapture = useCapture || false; |
1510 | |
1511 | if (name == 'keypress' && |
1512 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
1513 | || element.attachEvent)) |
1514 | name = 'keydown'; |
1515 | |
1516 | this._observeAndCache(element, name, observer, useCapture); |
1517 | }, |
1518 | |
1519 | stopObserving: function(element, name, observer, useCapture) { |
1520 | var element = $(element); |
1521 | useCapture = useCapture || false; |
1522 | |
1523 | if (name == 'keypress' && |
1524 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) |
1525 | || element.detachEvent)) |
1526 | name = 'keydown'; |
1527 | |
1528 | if (element.removeEventListener) { |
1529 | element.removeEventListener(name, observer, useCapture); |
1530 | } else if (element.detachEvent) { |
1531 | element.detachEvent('on' + name, observer); |
1532 | } |
1533 | } |
1534 | }); |
1535 | |
1536 | /* prevent memory leaks in IE */ |
1537 | Event.observe(window, 'unload', Event.unloadCache, false); |
1538 | var Position = { |
1539 | // set to true if needed, warning: firefox performance problems |
1540 | // NOT neeeded for page scrolling, only if draggable contained in |
1541 | // scrollable elements |
1542 | includeScrollOffsets: false, |
1543 | |
1544 | // must be called before calling withinIncludingScrolloffset, every time the |
1545 | // page is scrolled |
1546 | prepare: function() { |
1547 | this.deltaX = window.pageXOffset |
1548 | || document.documentElement.scrollLeft |
1549 | || document.body.scrollLeft |
1550 | || 0; |
1551 | this.deltaY = window.pageYOffset |
1552 | || document.documentElement.scrollTop |
1553 | || document.body.scrollTop |
1554 | || 0; |
1555 | }, |
1556 | |
1557 | realOffset: function(element) { |
1558 | var valueT = 0, valueL = 0; |
1559 | do { |
1560 | valueT += element.scrollTop || 0; |
1561 | valueL += element.scrollLeft || 0; |
1562 | element = element.parentNode; |
1563 | } while (element); |
1564 | return [valueL, valueT]; |
1565 | }, |
1566 | |
1567 | cumulativeOffset: function(element) { |
1568 | var valueT = 0, valueL = 0; |
1569 | do { |
1570 | valueT += element.offsetTop || 0; |
1571 | valueL += element.offsetLeft || 0; |
1572 | element = element.offsetParent; |
1573 | } while (element); |
1574 | return [valueL, valueT]; |
1575 | }, |
1576 | |
1577 | positionedOffset: function(element) { |
1578 | var valueT = 0, valueL = 0; |
1579 | do { |
1580 | valueT += element.offsetTop || 0; |
1581 | valueL += element.offsetLeft || 0; |
1582 | element = element.offsetParent; |
1583 | if (element) { |
1584 | p = Element.getStyle(element, 'position'); |
1585 | if (p == 'relative' || p == 'absolute') break; |
1586 | } |
1587 | } while (element); |
1588 | return [valueL, valueT]; |
1589 | }, |
1590 | |
1591 | offsetParent: function(element) { |
1592 | if (element.offsetParent) return element.offsetParent; |
1593 | if (element == document.body) return element; |
1594 | |
1595 | while ((element = element.parentNode) && element != document.body) |
1596 | if (Element.getStyle(element, 'position') != 'static') |
1597 | return element; |
1598 | |
1599 | return document.body; |
1600 | }, |
1601 | |
1602 | // caches x/y coordinate pair to use with overlap |
1603 | within: function(element, x, y) { |
1604 | if (this.includeScrollOffsets) |
1605 | return this.withinIncludingScrolloffsets(element, x, y); |
1606 | this.xcomp = x; |
1607 | this.ycomp = y; |
1608 | this.offset = this.cumulativeOffset(element); |
1609 | |
1610 | return (y >= this.offset[1] && |
1611 | y < this.offset[1] + element.offsetHeight && |
1612 | x >= this.offset[0] && |
1613 | x < this.offset[0] + element.offsetWidth); |
1614 | }, |
1615 | |
1616 | withinIncludingScrolloffsets: function(element, x, y) { |
1617 | var offsetcache = this.realOffset(element); |
1618 | |
1619 | this.xcomp = x + offsetcache[0] - this.deltaX; |
1620 | this.ycomp = y + offsetcache[1] - this.deltaY; |
1621 | this.offset = this.cumulativeOffset(element); |
1622 | |
1623 | return (this.ycomp >= this.offset[1] && |
1624 | this.ycomp < this.offset[1] + element.offsetHeight && |
1625 | this.xcomp >= this.offset[0] && |
1626 | this.xcomp < this.offset[0] + element.offsetWidth); |
1627 | }, |
1628 | |
1629 | // within must be called directly before |
1630 | overlap: function(mode, element) { |
1631 | if (!mode) return 0; |
1632 | if (mode == 'vertical') |
1633 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
1634 | element.offsetHeight; |
1635 | if (mode == 'horizontal') |
1636 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
1637 | element.offsetWidth; |
1638 | }, |
1639 | |
1640 | clone: function(source, target) { |
1641 | source = $(source); |
1642 | target = $(target); |
1643 | target.style.position = 'absolute'; |
1644 | var offsets = this.cumulativeOffset(source); |
1645 | target.style.top = offsets[1] + 'px'; |
1646 | target.style.left = offsets[0] + 'px'; |
1647 | target.style.width = source.offsetWidth + 'px'; |
1648 | target.style.height = source.offsetHeight + 'px'; |
1649 | }, |
1650 | |
1651 | page: function(forElement) { |
1652 | var valueT = 0, valueL = 0; |
1653 | |
1654 | var element = forElement; |
1655 | do { |
1656 | valueT += element.offsetTop || 0; |
1657 | valueL += element.offsetLeft || 0; |
1658 | |
1659 | // Safari fix |
1660 | if (element.offsetParent==document.body) |
1661 | if (Element.getStyle(element,'position')=='absolute') break; |
1662 | |
1663 | } while (element = element.offsetParent); |
1664 | |
1665 | element = forElement; |
1666 | do { |
1667 | valueT -= element.scrollTop || 0; |
1668 | valueL -= element.scrollLeft || 0; |
1669 | } while (element = element.parentNode); |
1670 | |
1671 | return [valueL, valueT]; |
1672 | }, |
1673 | |
1674 | clone: function(source, target) { |
1675 | var options = Object.extend({ |
1676 | setLeft: true, |
1677 | setTop: true, |
1678 | setWidth: true, |
1679 | setHeight: true, |
1680 | offsetTop: 0, |
1681 | offsetLeft: 0 |
1682 | }, arguments[2] || {}) |
1683 | |
1684 | // find page position of source |
1685 | source = $(source); |
1686 | var p = Position.page(source); |
1687 | |
1688 | // find coordinate system to use |
1689 | target = $(target); |
1690 | var delta = [0, 0]; |
1691 | var parent = null; |
1692 | // delta [0,0] will do fine with position: fixed elements, |
1693 | // position:absolute needs offsetParent deltas |
1694 | if (Element.getStyle(target,'position') == 'absolute') { |
1695 | parent = Position.offsetParent(target); |
1696 | delta = Position.page(parent); |
1697 | } |
1698 | |
1699 | // correct by body offsets (fixes Safari) |
1700 | if (parent == document.body) { |
1701 | delta[0] -= document.body.offsetLeft; |
1702 | delta[1] -= document.body.offsetTop; |
1703 | } |
1704 | |
1705 | // set position |
1706 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
1707 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
1708 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; |
1709 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; |
1710 | }, |
1711 | |
1712 | absolutize: function(element) { |
1713 | element = $(element); |
1714 | if (element.style.position == 'absolute') return; |
1715 | Position.prepare(); |
1716 | |
1717 | var offsets = Position.positionedOffset(element); |
1718 | var top = offsets[1]; |
1719 | var left = offsets[0]; |
1720 | var width = element.clientWidth; |
1721 | var height = element.clientHeight; |
1722 | |
1723 | element._originalLeft = left - parseFloat(element.style.left || 0); |
1724 | element._originalTop = top - parseFloat(element.style.top || 0); |
1725 | element._originalWidth = element.style.width; |
1726 | element._originalHeight = element.style.height; |
1727 | |
1728 | element.style.position = 'absolute'; |
1729 | element.style.top = top + 'px';; |
1730 | element.style.left = left + 'px';; |
1731 | element.style.width = width + 'px';; |
1732 | element.style.height = height + 'px';; |
1733 | }, |
1734 | |
1735 | relativize: function(element) { |
1736 | element = $(element); |
1737 | if (element.style.position == 'relative') return; |
1738 | Position.prepare(); |
1739 | |
1740 | element.style.position = 'relative'; |
1741 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
1742 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
1743 | |
1744 | element.style.top = top + 'px'; |
1745 | element.style.left = left + 'px'; |
1746 | element.style.height = element._originalHeight; |
1747 | element.style.width = element._originalWidth; |
1748 | } |
1749 | } |
1750 | |
1751 | // Safari returns margins on body which is incorrect if the child is absolutely |
1752 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
1753 | // KHTML/WebKit only. |
1754 | if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { |
1755 | Position.cumulativeOffset = function(element) { |
1756 | var valueT = 0, valueL = 0; |
1757 | do { |
1758 | valueT += element.offsetTop || 0; |
1759 | valueL += element.offsetLeft || 0; |
1760 | if (element.offsetParent == document.body) |
1761 | if (Element.getStyle(element, 'position') == 'absolute') break; |
1762 | |
1763 | element = element.offsetParent; |
1764 | } while (element); |
1765 | |
1766 | return [valueL, valueT]; |
1767 | } |
1768 | } |