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5c656a9d AD |
1 | /* Prototype JavaScript framework, version 1.5.0 |
2 | * (c) 2005-2007 Sam Stephenson | |
14f69488 AD |
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 = { | |
5c656a9d AD |
10 | Version: '1.5.0', |
11 | BrowserFeatures: { | |
12 | XPath: !!document.evaluate | |
13 | }, | |
14f69488 | 14 | |
5c656a9d | 15 | ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)', |
14f69488 | 16 | emptyFunction: function() {}, |
5c656a9d | 17 | K: function(x) { return x } |
14f69488 AD |
18 | } |
19 | ||
20 | var Class = { | |
21 | create: function() { | |
22 | return function() { | |
23 | this.initialize.apply(this, arguments); | |
24 | } | |
25 | } | |
26 | } | |
27 | ||
28 | var Abstract = new Object(); | |
29 | ||
30 | Object.extend = function(destination, source) { | |
5c656a9d | 31 | for (var property in source) { |
14f69488 AD |
32 | destination[property] = source[property]; |
33 | } | |
34 | return destination; | |
35 | } | |
36 | ||
5c656a9d AD |
37 | Object.extend(Object, { |
38 | 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 | keys: function(object) { | |
50 | var keys = []; | |
51 | for (var property in object) | |
52 | keys.push(property); | |
53 | return keys; | |
54 | }, | |
55 | ||
56 | values: function(object) { | |
57 | var values = []; | |
58 | for (var property in object) | |
59 | values.push(object[property]); | |
60 | return values; | |
61 | }, | |
62 | ||
63 | clone: function(object) { | |
64 | return Object.extend({}, object); | |
14f69488 | 65 | } |
5c656a9d | 66 | }); |
14f69488 AD |
67 | |
68 | Function.prototype.bind = function() { | |
69 | var __method = this, args = $A(arguments), object = args.shift(); | |
70 | return function() { | |
71 | return __method.apply(object, args.concat($A(arguments))); | |
72 | } | |
73 | } | |
74 | ||
75 | Function.prototype.bindAsEventListener = function(object) { | |
5c656a9d | 76 | var __method = this, args = $A(arguments), object = args.shift(); |
14f69488 | 77 | return function(event) { |
5c656a9d | 78 | return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); |
14f69488 AD |
79 | } |
80 | } | |
81 | ||
82 | Object.extend(Number.prototype, { | |
83 | toColorPart: function() { | |
84 | var digits = this.toString(16); | |
85 | if (this < 16) return '0' + digits; | |
86 | return digits; | |
87 | }, | |
88 | ||
89 | succ: function() { | |
90 | return this + 1; | |
91 | }, | |
92 | ||
93 | times: function(iterator) { | |
94 | $R(0, this, true).each(iterator); | |
95 | return this; | |
96 | } | |
97 | }); | |
98 | ||
99 | var Try = { | |
100 | these: function() { | |
101 | var returnValue; | |
102 | ||
5c656a9d | 103 | for (var i = 0, length = arguments.length; i < length; i++) { |
14f69488 AD |
104 | var lambda = arguments[i]; |
105 | try { | |
106 | returnValue = lambda(); | |
107 | break; | |
108 | } catch (e) {} | |
109 | } | |
110 | ||
111 | return returnValue; | |
112 | } | |
113 | } | |
114 | ||
115 | /*--------------------------------------------------------------------------*/ | |
116 | ||
117 | var PeriodicalExecuter = Class.create(); | |
118 | PeriodicalExecuter.prototype = { | |
119 | initialize: function(callback, frequency) { | |
120 | this.callback = callback; | |
121 | this.frequency = frequency; | |
122 | this.currentlyExecuting = false; | |
123 | ||
124 | this.registerCallback(); | |
125 | }, | |
126 | ||
127 | registerCallback: function() { | |
5c656a9d AD |
128 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
129 | }, | |
130 | ||
131 | stop: function() { | |
132 | if (!this.timer) return; | |
133 | clearInterval(this.timer); | |
134 | this.timer = null; | |
14f69488 AD |
135 | }, |
136 | ||
137 | onTimerEvent: function() { | |
138 | if (!this.currentlyExecuting) { | |
139 | try { | |
140 | this.currentlyExecuting = true; | |
5c656a9d | 141 | this.callback(this); |
14f69488 AD |
142 | } finally { |
143 | this.currentlyExecuting = false; | |
144 | } | |
145 | } | |
146 | } | |
147 | } | |
5c656a9d AD |
148 | String.interpret = function(value){ |
149 | return value == null ? '' : String(value); | |
150 | } | |
14f69488 | 151 | |
5c656a9d AD |
152 | Object.extend(String.prototype, { |
153 | gsub: function(pattern, replacement) { | |
154 | var result = '', source = this, match; | |
155 | replacement = arguments.callee.prepareReplacement(replacement); | |
156 | ||
157 | while (source.length > 0) { | |
158 | if (match = source.match(pattern)) { | |
159 | result += source.slice(0, match.index); | |
160 | result += String.interpret(replacement(match)); | |
161 | source = source.slice(match.index + match[0].length); | |
162 | } else { | |
163 | result += source, source = ''; | |
164 | } | |
165 | } | |
166 | return result; | |
167 | }, | |
14f69488 | 168 | |
5c656a9d AD |
169 | sub: function(pattern, replacement, count) { |
170 | replacement = this.gsub.prepareReplacement(replacement); | |
171 | count = count === undefined ? 1 : count; | |
14f69488 | 172 | |
5c656a9d AD |
173 | return this.gsub(pattern, function(match) { |
174 | if (--count < 0) return match[0]; | |
175 | return replacement(match); | |
176 | }); | |
177 | }, | |
14f69488 | 178 | |
5c656a9d AD |
179 | scan: function(pattern, iterator) { |
180 | this.gsub(pattern, iterator); | |
181 | return this; | |
182 | }, | |
14f69488 | 183 | |
5c656a9d AD |
184 | truncate: function(length, truncation) { |
185 | length = length || 30; | |
186 | truncation = truncation === undefined ? '...' : truncation; | |
187 | return this.length > length ? | |
188 | this.slice(0, length - truncation.length) + truncation : this; | |
189 | }, | |
190 | ||
191 | strip: function() { | |
192 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); | |
193 | }, | |
14f69488 | 194 | |
14f69488 AD |
195 | stripTags: function() { |
196 | return this.replace(/<\/?[^>]+>/gi, ''); | |
197 | }, | |
198 | ||
199 | stripScripts: function() { | |
200 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); | |
201 | }, | |
202 | ||
203 | extractScripts: function() { | |
204 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); | |
205 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); | |
206 | return (this.match(matchAll) || []).map(function(scriptTag) { | |
207 | return (scriptTag.match(matchOne) || ['', ''])[1]; | |
208 | }); | |
209 | }, | |
210 | ||
211 | evalScripts: function() { | |
5c656a9d | 212 | return this.extractScripts().map(function(script) { return eval(script) }); |
14f69488 AD |
213 | }, |
214 | ||
215 | escapeHTML: function() { | |
216 | var div = document.createElement('div'); | |
217 | var text = document.createTextNode(this); | |
218 | div.appendChild(text); | |
219 | return div.innerHTML; | |
220 | }, | |
221 | ||
222 | unescapeHTML: function() { | |
223 | var div = document.createElement('div'); | |
224 | div.innerHTML = this.stripTags(); | |
5c656a9d AD |
225 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
226 | $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) : | |
227 | div.childNodes[0].nodeValue) : ''; | |
14f69488 AD |
228 | }, |
229 | ||
5c656a9d AD |
230 | toQueryParams: function(separator) { |
231 | var match = this.strip().match(/([^?#]*)(#.*)?$/); | |
232 | if (!match) return {}; | |
233 | ||
234 | return match[1].split(separator || '&').inject({}, function(hash, pair) { | |
235 | if ((pair = pair.split('='))[0]) { | |
236 | var name = decodeURIComponent(pair[0]); | |
237 | var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; | |
238 | ||
239 | if (hash[name] !== undefined) { | |
240 | if (hash[name].constructor != Array) | |
241 | hash[name] = [hash[name]]; | |
242 | if (value) hash[name].push(value); | |
243 | } | |
244 | else hash[name] = value; | |
245 | } | |
246 | return hash; | |
14f69488 AD |
247 | }); |
248 | }, | |
249 | ||
250 | toArray: function() { | |
251 | return this.split(''); | |
252 | }, | |
253 | ||
5c656a9d AD |
254 | succ: function() { |
255 | return this.slice(0, this.length - 1) + | |
256 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); | |
257 | }, | |
258 | ||
14f69488 | 259 | camelize: function() { |
5c656a9d AD |
260 | var parts = this.split('-'), len = parts.length; |
261 | if (len == 1) return parts[0]; | |
14f69488 | 262 | |
5c656a9d AD |
263 | var camelized = this.charAt(0) == '-' |
264 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) | |
265 | : parts[0]; | |
14f69488 | 266 | |
5c656a9d AD |
267 | for (var i = 1; i < len; i++) |
268 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); | |
14f69488 | 269 | |
5c656a9d | 270 | return camelized; |
14f69488 AD |
271 | }, |
272 | ||
5c656a9d AD |
273 | capitalize: function(){ |
274 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); | |
275 | }, | |
276 | ||
277 | underscore: function() { | |
278 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); | |
279 | }, | |
280 | ||
281 | dasherize: function() { | |
282 | return this.gsub(/_/,'-'); | |
283 | }, | |
284 | ||
285 | inspect: function(useDoubleQuotes) { | |
286 | var escapedString = this.replace(/\\/g, '\\\\'); | |
287 | if (useDoubleQuotes) | |
288 | return '"' + escapedString.replace(/"/g, '\\"') + '"'; | |
289 | else | |
290 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; | |
14f69488 AD |
291 | } |
292 | }); | |
293 | ||
5c656a9d AD |
294 | String.prototype.gsub.prepareReplacement = function(replacement) { |
295 | if (typeof replacement == 'function') return replacement; | |
296 | var template = new Template(replacement); | |
297 | return function(match) { return template.evaluate(match) }; | |
298 | } | |
299 | ||
14f69488 AD |
300 | String.prototype.parseQuery = String.prototype.toQueryParams; |
301 | ||
5c656a9d AD |
302 | var Template = Class.create(); |
303 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; | |
304 | Template.prototype = { | |
305 | initialize: function(template, pattern) { | |
306 | this.template = template.toString(); | |
307 | this.pattern = pattern || Template.Pattern; | |
308 | }, | |
309 | ||
310 | evaluate: function(object) { | |
311 | return this.template.gsub(this.pattern, function(match) { | |
312 | var before = match[1]; | |
313 | if (before == '\\') return match[2]; | |
314 | return before + String.interpret(object[match[3]]); | |
315 | }); | |
316 | } | |
317 | } | |
318 | ||
14f69488 AD |
319 | var $break = new Object(); |
320 | var $continue = new Object(); | |
321 | ||
322 | var Enumerable = { | |
323 | each: function(iterator) { | |
324 | var index = 0; | |
325 | try { | |
326 | this._each(function(value) { | |
327 | try { | |
328 | iterator(value, index++); | |
329 | } catch (e) { | |
330 | if (e != $continue) throw e; | |
331 | } | |
332 | }); | |
333 | } catch (e) { | |
334 | if (e != $break) throw e; | |
335 | } | |
5c656a9d AD |
336 | return this; |
337 | }, | |
338 | ||
339 | eachSlice: function(number, iterator) { | |
340 | var index = -number, slices = [], array = this.toArray(); | |
341 | while ((index += number) < array.length) | |
342 | slices.push(array.slice(index, index+number)); | |
343 | return slices.map(iterator); | |
14f69488 AD |
344 | }, |
345 | ||
346 | all: function(iterator) { | |
347 | var result = true; | |
348 | this.each(function(value, index) { | |
349 | result = result && !!(iterator || Prototype.K)(value, index); | |
350 | if (!result) throw $break; | |
351 | }); | |
352 | return result; | |
353 | }, | |
354 | ||
355 | any: function(iterator) { | |
5c656a9d | 356 | var result = false; |
14f69488 AD |
357 | this.each(function(value, index) { |
358 | if (result = !!(iterator || Prototype.K)(value, index)) | |
359 | throw $break; | |
360 | }); | |
361 | return result; | |
362 | }, | |
363 | ||
364 | collect: function(iterator) { | |
365 | var results = []; | |
366 | this.each(function(value, index) { | |
5c656a9d | 367 | results.push((iterator || Prototype.K)(value, index)); |
14f69488 AD |
368 | }); |
369 | return results; | |
370 | }, | |
371 | ||
5c656a9d | 372 | detect: function(iterator) { |
14f69488 AD |
373 | var result; |
374 | this.each(function(value, index) { | |
375 | if (iterator(value, index)) { | |
376 | result = value; | |
377 | throw $break; | |
378 | } | |
379 | }); | |
380 | return result; | |
381 | }, | |
382 | ||
383 | findAll: function(iterator) { | |
384 | var results = []; | |
385 | this.each(function(value, index) { | |
386 | if (iterator(value, index)) | |
387 | results.push(value); | |
388 | }); | |
389 | return results; | |
390 | }, | |
391 | ||
392 | grep: function(pattern, iterator) { | |
393 | var results = []; | |
394 | this.each(function(value, index) { | |
395 | var stringValue = value.toString(); | |
396 | if (stringValue.match(pattern)) | |
397 | results.push((iterator || Prototype.K)(value, index)); | |
398 | }) | |
399 | return results; | |
400 | }, | |
401 | ||
402 | include: function(object) { | |
403 | var found = false; | |
404 | this.each(function(value) { | |
405 | if (value == object) { | |
406 | found = true; | |
407 | throw $break; | |
408 | } | |
409 | }); | |
410 | return found; | |
411 | }, | |
412 | ||
5c656a9d AD |
413 | inGroupsOf: function(number, fillWith) { |
414 | fillWith = fillWith === undefined ? null : fillWith; | |
415 | return this.eachSlice(number, function(slice) { | |
416 | while(slice.length < number) slice.push(fillWith); | |
417 | return slice; | |
418 | }); | |
419 | }, | |
420 | ||
14f69488 AD |
421 | inject: function(memo, iterator) { |
422 | this.each(function(value, index) { | |
423 | memo = iterator(memo, value, index); | |
424 | }); | |
425 | return memo; | |
426 | }, | |
427 | ||
428 | invoke: function(method) { | |
429 | var args = $A(arguments).slice(1); | |
5c656a9d | 430 | return this.map(function(value) { |
14f69488 AD |
431 | return value[method].apply(value, args); |
432 | }); | |
433 | }, | |
434 | ||
435 | max: function(iterator) { | |
436 | var result; | |
437 | this.each(function(value, index) { | |
438 | value = (iterator || Prototype.K)(value, index); | |
5c656a9d | 439 | if (result == undefined || value >= result) |
14f69488 AD |
440 | result = value; |
441 | }); | |
442 | return result; | |
443 | }, | |
444 | ||
445 | min: function(iterator) { | |
446 | var result; | |
447 | this.each(function(value, index) { | |
448 | value = (iterator || Prototype.K)(value, index); | |
5c656a9d | 449 | if (result == undefined || value < result) |
14f69488 AD |
450 | result = value; |
451 | }); | |
452 | return result; | |
453 | }, | |
454 | ||
455 | partition: function(iterator) { | |
456 | var trues = [], falses = []; | |
457 | this.each(function(value, index) { | |
458 | ((iterator || Prototype.K)(value, index) ? | |
459 | trues : falses).push(value); | |
460 | }); | |
461 | return [trues, falses]; | |
462 | }, | |
463 | ||
464 | pluck: function(property) { | |
465 | var results = []; | |
466 | this.each(function(value, index) { | |
467 | results.push(value[property]); | |
468 | }); | |
469 | return results; | |
470 | }, | |
471 | ||
472 | reject: function(iterator) { | |
473 | var results = []; | |
474 | this.each(function(value, index) { | |
475 | if (!iterator(value, index)) | |
476 | results.push(value); | |
477 | }); | |
478 | return results; | |
479 | }, | |
480 | ||
481 | sortBy: function(iterator) { | |
5c656a9d | 482 | return this.map(function(value, index) { |
14f69488 AD |
483 | return {value: value, criteria: iterator(value, index)}; |
484 | }).sort(function(left, right) { | |
485 | var a = left.criteria, b = right.criteria; | |
486 | return a < b ? -1 : a > b ? 1 : 0; | |
487 | }).pluck('value'); | |
488 | }, | |
489 | ||
490 | toArray: function() { | |
5c656a9d | 491 | return this.map(); |
14f69488 AD |
492 | }, |
493 | ||
494 | zip: function() { | |
495 | var iterator = Prototype.K, args = $A(arguments); | |
496 | if (typeof args.last() == 'function') | |
497 | iterator = args.pop(); | |
498 | ||
499 | var collections = [this].concat(args).map($A); | |
500 | return this.map(function(value, index) { | |
5c656a9d | 501 | return iterator(collections.pluck(index)); |
14f69488 AD |
502 | }); |
503 | }, | |
504 | ||
5c656a9d AD |
505 | size: function() { |
506 | return this.toArray().length; | |
507 | }, | |
508 | ||
14f69488 AD |
509 | inspect: function() { |
510 | return '#<Enumerable:' + this.toArray().inspect() + '>'; | |
511 | } | |
512 | } | |
513 | ||
514 | Object.extend(Enumerable, { | |
515 | map: Enumerable.collect, | |
516 | find: Enumerable.detect, | |
517 | select: Enumerable.findAll, | |
518 | member: Enumerable.include, | |
519 | entries: Enumerable.toArray | |
520 | }); | |
521 | var $A = Array.from = function(iterable) { | |
522 | if (!iterable) return []; | |
523 | if (iterable.toArray) { | |
524 | return iterable.toArray(); | |
525 | } else { | |
526 | var results = []; | |
5c656a9d | 527 | for (var i = 0, length = iterable.length; i < length; i++) |
14f69488 AD |
528 | results.push(iterable[i]); |
529 | return results; | |
530 | } | |
531 | } | |
532 | ||
533 | Object.extend(Array.prototype, Enumerable); | |
534 | ||
5c656a9d AD |
535 | if (!Array.prototype._reverse) |
536 | Array.prototype._reverse = Array.prototype.reverse; | |
14f69488 AD |
537 | |
538 | Object.extend(Array.prototype, { | |
539 | _each: function(iterator) { | |
5c656a9d | 540 | for (var i = 0, length = this.length; i < length; i++) |
14f69488 AD |
541 | iterator(this[i]); |
542 | }, | |
543 | ||
544 | clear: function() { | |
545 | this.length = 0; | |
546 | return this; | |
547 | }, | |
548 | ||
549 | first: function() { | |
550 | return this[0]; | |
551 | }, | |
552 | ||
553 | last: function() { | |
554 | return this[this.length - 1]; | |
555 | }, | |
556 | ||
557 | compact: function() { | |
558 | return this.select(function(value) { | |
5c656a9d | 559 | return value != null; |
14f69488 AD |
560 | }); |
561 | }, | |
562 | ||
563 | flatten: function() { | |
564 | return this.inject([], function(array, value) { | |
5c656a9d | 565 | return array.concat(value && value.constructor == Array ? |
14f69488 AD |
566 | value.flatten() : [value]); |
567 | }); | |
568 | }, | |
569 | ||
570 | without: function() { | |
571 | var values = $A(arguments); | |
572 | return this.select(function(value) { | |
573 | return !values.include(value); | |
574 | }); | |
575 | }, | |
576 | ||
577 | indexOf: function(object) { | |
5c656a9d | 578 | for (var i = 0, length = this.length; i < length; i++) |
14f69488 AD |
579 | if (this[i] == object) return i; |
580 | return -1; | |
581 | }, | |
582 | ||
583 | reverse: function(inline) { | |
584 | return (inline !== false ? this : this.toArray())._reverse(); | |
585 | }, | |
586 | ||
5c656a9d AD |
587 | reduce: function() { |
588 | return this.length > 1 ? this : this[0]; | |
589 | }, | |
590 | ||
591 | uniq: function() { | |
592 | return this.inject([], function(array, value) { | |
593 | return array.include(value) ? array : array.concat([value]); | |
594 | }); | |
595 | }, | |
596 | ||
597 | clone: function() { | |
598 | return [].concat(this); | |
599 | }, | |
600 | ||
601 | size: function() { | |
602 | return this.length; | |
14f69488 AD |
603 | }, |
604 | ||
605 | inspect: function() { | |
606 | return '[' + this.map(Object.inspect).join(', ') + ']'; | |
607 | } | |
608 | }); | |
5c656a9d AD |
609 | |
610 | Array.prototype.toArray = Array.prototype.clone; | |
611 | ||
612 | function $w(string){ | |
613 | string = string.strip(); | |
614 | return string ? string.split(/\s+/) : []; | |
615 | } | |
616 | ||
617 | if(window.opera){ | |
618 | Array.prototype.concat = function(){ | |
619 | var array = []; | |
620 | for(var i = 0, length = this.length; i < length; i++) array.push(this[i]); | |
621 | for(var i = 0, length = arguments.length; i < length; i++) { | |
622 | if(arguments[i].constructor == Array) { | |
623 | for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) | |
624 | array.push(arguments[i][j]); | |
625 | } else { | |
626 | array.push(arguments[i]); | |
627 | } | |
628 | } | |
629 | return array; | |
630 | } | |
631 | } | |
632 | var Hash = function(obj) { | |
633 | Object.extend(this, obj || {}); | |
634 | }; | |
635 | ||
636 | Object.extend(Hash, { | |
637 | toQueryString: function(obj) { | |
638 | var parts = []; | |
639 | ||
640 | this.prototype._each.call(obj, function(pair) { | |
641 | if (!pair.key) return; | |
642 | ||
643 | if (pair.value && pair.value.constructor == Array) { | |
644 | var values = pair.value.compact(); | |
645 | if (values.length < 2) pair.value = values.reduce(); | |
646 | else { | |
647 | key = encodeURIComponent(pair.key); | |
648 | values.each(function(value) { | |
649 | value = value != undefined ? encodeURIComponent(value) : ''; | |
650 | parts.push(key + '=' + encodeURIComponent(value)); | |
651 | }); | |
652 | return; | |
653 | } | |
654 | } | |
655 | if (pair.value == undefined) pair[1] = ''; | |
656 | parts.push(pair.map(encodeURIComponent).join('=')); | |
657 | }); | |
658 | ||
659 | return parts.join('&'); | |
660 | } | |
661 | }); | |
662 | ||
663 | Object.extend(Hash.prototype, Enumerable); | |
664 | Object.extend(Hash.prototype, { | |
14f69488 | 665 | _each: function(iterator) { |
5c656a9d | 666 | for (var key in this) { |
14f69488 | 667 | var value = this[key]; |
5c656a9d | 668 | if (value && value == Hash.prototype[key]) continue; |
14f69488 AD |
669 | |
670 | var pair = [key, value]; | |
671 | pair.key = key; | |
672 | pair.value = value; | |
673 | iterator(pair); | |
674 | } | |
675 | }, | |
676 | ||
677 | keys: function() { | |
678 | return this.pluck('key'); | |
679 | }, | |
680 | ||
681 | values: function() { | |
682 | return this.pluck('value'); | |
683 | }, | |
684 | ||
685 | merge: function(hash) { | |
5c656a9d | 686 | return $H(hash).inject(this, function(mergedHash, pair) { |
14f69488 AD |
687 | mergedHash[pair.key] = pair.value; |
688 | return mergedHash; | |
689 | }); | |
690 | }, | |
691 | ||
5c656a9d AD |
692 | remove: function() { |
693 | var result; | |
694 | for(var i = 0, length = arguments.length; i < length; i++) { | |
695 | var value = this[arguments[i]]; | |
696 | if (value !== undefined){ | |
697 | if (result === undefined) result = value; | |
698 | else { | |
699 | if (result.constructor != Array) result = [result]; | |
700 | result.push(value) | |
701 | } | |
702 | } | |
703 | delete this[arguments[i]]; | |
704 | } | |
705 | return result; | |
706 | }, | |
707 | ||
14f69488 | 708 | toQueryString: function() { |
5c656a9d | 709 | return Hash.toQueryString(this); |
14f69488 AD |
710 | }, |
711 | ||
712 | inspect: function() { | |
713 | return '#<Hash:{' + this.map(function(pair) { | |
714 | return pair.map(Object.inspect).join(': '); | |
715 | }).join(', ') + '}>'; | |
716 | } | |
5c656a9d | 717 | }); |
14f69488 AD |
718 | |
719 | function $H(object) { | |
5c656a9d AD |
720 | if (object && object.constructor == Hash) return object; |
721 | return new Hash(object); | |
722 | }; | |
14f69488 AD |
723 | ObjectRange = Class.create(); |
724 | Object.extend(ObjectRange.prototype, Enumerable); | |
725 | Object.extend(ObjectRange.prototype, { | |
726 | initialize: function(start, end, exclusive) { | |
727 | this.start = start; | |
728 | this.end = end; | |
729 | this.exclusive = exclusive; | |
730 | }, | |
731 | ||
732 | _each: function(iterator) { | |
733 | var value = this.start; | |
5c656a9d | 734 | while (this.include(value)) { |
14f69488 AD |
735 | iterator(value); |
736 | value = value.succ(); | |
5c656a9d | 737 | } |
14f69488 AD |
738 | }, |
739 | ||
740 | include: function(value) { | |
741 | if (value < this.start) | |
742 | return false; | |
743 | if (this.exclusive) | |
744 | return value < this.end; | |
745 | return value <= this.end; | |
746 | } | |
747 | }); | |
748 | ||
749 | var $R = function(start, end, exclusive) { | |
750 | return new ObjectRange(start, end, exclusive); | |
751 | } | |
752 | ||
753 | var Ajax = { | |
754 | getTransport: function() { | |
755 | return Try.these( | |
5c656a9d | 756 | function() {return new XMLHttpRequest()}, |
14f69488 | 757 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
5c656a9d | 758 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
14f69488 AD |
759 | ) || false; |
760 | }, | |
761 | ||
762 | activeRequestCount: 0 | |
763 | } | |
764 | ||
765 | Ajax.Responders = { | |
766 | responders: [], | |
767 | ||
768 | _each: function(iterator) { | |
769 | this.responders._each(iterator); | |
770 | }, | |
771 | ||
5c656a9d AD |
772 | register: function(responder) { |
773 | if (!this.include(responder)) | |
774 | this.responders.push(responder); | |
14f69488 AD |
775 | }, |
776 | ||
5c656a9d AD |
777 | unregister: function(responder) { |
778 | this.responders = this.responders.without(responder); | |
14f69488 AD |
779 | }, |
780 | ||
781 | dispatch: function(callback, request, transport, json) { | |
782 | this.each(function(responder) { | |
5c656a9d | 783 | if (typeof responder[callback] == 'function') { |
14f69488 AD |
784 | try { |
785 | responder[callback].apply(responder, [request, transport, json]); | |
786 | } catch (e) {} | |
787 | } | |
788 | }); | |
789 | } | |
790 | }; | |
791 | ||
792 | Object.extend(Ajax.Responders, Enumerable); | |
793 | ||
794 | Ajax.Responders.register({ | |
795 | onCreate: function() { | |
796 | Ajax.activeRequestCount++; | |
797 | }, | |
14f69488 AD |
798 | onComplete: function() { |
799 | Ajax.activeRequestCount--; | |
800 | } | |
801 | }); | |
802 | ||
803 | Ajax.Base = function() {}; | |
804 | Ajax.Base.prototype = { | |
805 | setOptions: function(options) { | |
806 | this.options = { | |
807 | method: 'post', | |
808 | asynchronous: true, | |
5c656a9d AD |
809 | contentType: 'application/x-www-form-urlencoded', |
810 | encoding: 'UTF-8', | |
14f69488 AD |
811 | parameters: '' |
812 | } | |
813 | Object.extend(this.options, options || {}); | |
14f69488 | 814 | |
5c656a9d AD |
815 | this.options.method = this.options.method.toLowerCase(); |
816 | if (typeof this.options.parameters == 'string') | |
817 | this.options.parameters = this.options.parameters.toQueryParams(); | |
14f69488 AD |
818 | } |
819 | } | |
820 | ||
821 | Ajax.Request = Class.create(); | |
822 | Ajax.Request.Events = | |
823 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; | |
824 | ||
825 | Ajax.Request.prototype = Object.extend(new Ajax.Base(), { | |
5c656a9d AD |
826 | _complete: false, |
827 | ||
14f69488 AD |
828 | initialize: function(url, options) { |
829 | this.transport = Ajax.getTransport(); | |
830 | this.setOptions(options); | |
831 | this.request(url); | |
832 | }, | |
833 | ||
834 | request: function(url) { | |
5c656a9d AD |
835 | this.url = url; |
836 | this.method = this.options.method; | |
837 | var params = this.options.parameters; | |
14f69488 | 838 | |
5c656a9d AD |
839 | if (!['get', 'post'].include(this.method)) { |
840 | // simulate other verbs over post | |
841 | params['_method'] = this.method; | |
842 | this.method = 'post'; | |
843 | } | |
844 | ||
845 | params = Hash.toQueryString(params); | |
846 | if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_=' | |
14f69488 | 847 | |
5c656a9d AD |
848 | // when GET, append parameters to URL |
849 | if (this.method == 'get' && params) | |
850 | this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params; | |
851 | ||
852 | try { | |
14f69488 AD |
853 | Ajax.Responders.dispatch('onCreate', this, this.transport); |
854 | ||
5c656a9d | 855 | this.transport.open(this.method.toUpperCase(), this.url, |
14f69488 AD |
856 | this.options.asynchronous); |
857 | ||
5c656a9d AD |
858 | if (this.options.asynchronous) |
859 | setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); | |
14f69488 | 860 | |
5c656a9d | 861 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
14f69488 AD |
862 | this.setRequestHeaders(); |
863 | ||
5c656a9d | 864 | var body = this.method == 'post' ? (this.options.postBody || params) : null; |
14f69488 | 865 | |
5c656a9d | 866 | this.transport.send(body); |
14f69488 | 867 | |
5c656a9d AD |
868 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
869 | if (!this.options.asynchronous && this.transport.overrideMimeType) | |
870 | this.onStateChange(); | |
14f69488 | 871 | |
14f69488 | 872 | } |
5c656a9d AD |
873 | catch (e) { |
874 | this.dispatchException(e); | |
875 | } | |
14f69488 AD |
876 | }, |
877 | ||
878 | onStateChange: function() { | |
879 | var readyState = this.transport.readyState; | |
5c656a9d | 880 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
14f69488 AD |
881 | this.respondToReadyState(this.transport.readyState); |
882 | }, | |
883 | ||
5c656a9d AD |
884 | setRequestHeaders: function() { |
885 | var headers = { | |
886 | 'X-Requested-With': 'XMLHttpRequest', | |
887 | 'X-Prototype-Version': Prototype.Version, | |
888 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' | |
889 | }; | |
890 | ||
891 | if (this.method == 'post') { | |
892 | headers['Content-type'] = this.options.contentType + | |
893 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); | |
894 | ||
895 | /* Force "Connection: close" for older Mozilla browsers to work | |
896 | * around a bug where XMLHttpRequest sends an incorrect | |
897 | * Content-length header. See Mozilla Bugzilla #246651. | |
898 | */ | |
899 | if (this.transport.overrideMimeType && | |
900 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) | |
901 | headers['Connection'] = 'close'; | |
902 | } | |
14f69488 | 903 | |
5c656a9d AD |
904 | // user-defined headers |
905 | if (typeof this.options.requestHeaders == 'object') { | |
906 | var extras = this.options.requestHeaders; | |
14f69488 | 907 | |
5c656a9d AD |
908 | if (typeof extras.push == 'function') |
909 | for (var i = 0, length = extras.length; i < length; i += 2) | |
910 | headers[extras[i]] = extras[i+1]; | |
911 | else | |
912 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); | |
14f69488 | 913 | } |
5c656a9d AD |
914 | |
915 | for (var name in headers) | |
916 | this.transport.setRequestHeader(name, headers[name]); | |
917 | }, | |
918 | ||
919 | success: function() { | |
920 | return !this.transport.status | |
921 | || (this.transport.status >= 200 && this.transport.status < 300); | |
14f69488 AD |
922 | }, |
923 | ||
924 | respondToReadyState: function(readyState) { | |
5c656a9d | 925 | var state = Ajax.Request.Events[readyState]; |
14f69488 AD |
926 | var transport = this.transport, json = this.evalJSON(); |
927 | ||
5c656a9d | 928 | if (state == 'Complete') { |
14f69488 | 929 | try { |
5c656a9d | 930 | this._complete = true; |
14f69488 | 931 | (this.options['on' + this.transport.status] |
5c656a9d | 932 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
14f69488 AD |
933 | || Prototype.emptyFunction)(transport, json); |
934 | } catch (e) { | |
935 | this.dispatchException(e); | |
936 | } | |
937 | ||
5c656a9d AD |
938 | if ((this.getHeader('Content-type') || 'text/javascript').strip(). |
939 | match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) | |
940 | this.evalResponse(); | |
14f69488 AD |
941 | } |
942 | ||
943 | try { | |
5c656a9d AD |
944 | (this.options['on' + state] || Prototype.emptyFunction)(transport, json); |
945 | Ajax.Responders.dispatch('on' + state, this, transport, json); | |
14f69488 AD |
946 | } catch (e) { |
947 | this.dispatchException(e); | |
948 | } | |
949 | ||
5c656a9d AD |
950 | if (state == 'Complete') { |
951 | // avoid memory leak in MSIE: clean up | |
14f69488 | 952 | this.transport.onreadystatechange = Prototype.emptyFunction; |
5c656a9d AD |
953 | } |
954 | }, | |
955 | ||
956 | getHeader: function(name) { | |
957 | try { | |
958 | return this.transport.getResponseHeader(name); | |
959 | } catch (e) { return null } | |
960 | }, | |
961 | ||
962 | evalJSON: function() { | |
963 | try { | |
964 | var json = this.getHeader('X-JSON'); | |
965 | return json ? eval('(' + json + ')') : null; | |
966 | } catch (e) { return null } | |
967 | }, | |
968 | ||
969 | evalResponse: function() { | |
970 | try { | |
971 | return eval(this.transport.responseText); | |
972 | } catch (e) { | |
973 | this.dispatchException(e); | |
974 | } | |
14f69488 AD |
975 | }, |
976 | ||
977 | dispatchException: function(exception) { | |
978 | (this.options.onException || Prototype.emptyFunction)(this, exception); | |
979 | Ajax.Responders.dispatch('onException', this, exception); | |
980 | } | |
981 | }); | |
982 | ||
983 | Ajax.Updater = Class.create(); | |
984 | ||
985 | Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { | |
986 | initialize: function(container, url, options) { | |
5c656a9d AD |
987 | this.container = { |
988 | success: (container.success || container), | |
989 | failure: (container.failure || (container.success ? null : container)) | |
14f69488 AD |
990 | } |
991 | ||
992 | this.transport = Ajax.getTransport(); | |
993 | this.setOptions(options); | |
994 | ||
995 | var onComplete = this.options.onComplete || Prototype.emptyFunction; | |
5c656a9d | 996 | this.options.onComplete = (function(transport, param) { |
14f69488 | 997 | this.updateContent(); |
5c656a9d | 998 | onComplete(transport, param); |
14f69488 AD |
999 | }).bind(this); |
1000 | ||
1001 | this.request(url); | |
1002 | }, | |
1003 | ||
1004 | updateContent: function() { | |
5c656a9d | 1005 | var receiver = this.container[this.success() ? 'success' : 'failure']; |
14f69488 AD |
1006 | var response = this.transport.responseText; |
1007 | ||
5c656a9d | 1008 | if (!this.options.evalScripts) response = response.stripScripts(); |
14f69488 | 1009 | |
5c656a9d AD |
1010 | if (receiver = $(receiver)) { |
1011 | if (this.options.insertion) | |
14f69488 | 1012 | new this.options.insertion(receiver, response); |
5c656a9d AD |
1013 | else |
1014 | receiver.update(response); | |
14f69488 AD |
1015 | } |
1016 | ||
5c656a9d | 1017 | if (this.success()) { |
14f69488 AD |
1018 | if (this.onComplete) |
1019 | setTimeout(this.onComplete.bind(this), 10); | |
1020 | } | |
1021 | } | |
1022 | }); | |
1023 | ||
1024 | Ajax.PeriodicalUpdater = Class.create(); | |
1025 | Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { | |
1026 | initialize: function(container, url, options) { | |
1027 | this.setOptions(options); | |
1028 | this.onComplete = this.options.onComplete; | |
1029 | ||
1030 | this.frequency = (this.options.frequency || 2); | |
1031 | this.decay = (this.options.decay || 1); | |
1032 | ||
1033 | this.updater = {}; | |
1034 | this.container = container; | |
1035 | this.url = url; | |
1036 | ||
1037 | this.start(); | |
1038 | }, | |
1039 | ||
1040 | start: function() { | |
1041 | this.options.onComplete = this.updateComplete.bind(this); | |
1042 | this.onTimerEvent(); | |
1043 | }, | |
1044 | ||
1045 | stop: function() { | |
5c656a9d | 1046 | this.updater.options.onComplete = undefined; |
14f69488 AD |
1047 | clearTimeout(this.timer); |
1048 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); | |
1049 | }, | |
1050 | ||
1051 | updateComplete: function(request) { | |
1052 | if (this.options.decay) { | |
1053 | this.decay = (request.responseText == this.lastText ? | |
1054 | this.decay * this.options.decay : 1); | |
1055 | ||
1056 | this.lastText = request.responseText; | |
1057 | } | |
1058 | this.timer = setTimeout(this.onTimerEvent.bind(this), | |
1059 | this.decay * this.frequency * 1000); | |
1060 | }, | |
1061 | ||
1062 | onTimerEvent: function() { | |
1063 | this.updater = new Ajax.Updater(this.container, this.url, this.options); | |
1064 | } | |
1065 | }); | |
5c656a9d AD |
1066 | function $(element) { |
1067 | if (arguments.length > 1) { | |
1068 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) | |
1069 | elements.push($(arguments[i])); | |
14f69488 | 1070 | return elements; |
5c656a9d AD |
1071 | } |
1072 | if (typeof element == 'string') | |
1073 | element = document.getElementById(element); | |
1074 | return Element.extend(element); | |
1075 | } | |
1076 | ||
1077 | if (Prototype.BrowserFeatures.XPath) { | |
1078 | document._getElementsByXPath = function(expression, parentElement) { | |
1079 | var results = []; | |
1080 | var query = document.evaluate(expression, $(parentElement) || document, | |
1081 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); | |
1082 | for (var i = 0, length = query.snapshotLength; i < length; i++) | |
1083 | results.push(query.snapshotItem(i)); | |
1084 | return results; | |
1085 | }; | |
14f69488 AD |
1086 | } |
1087 | ||
5c656a9d AD |
1088 | document.getElementsByClassName = function(className, parentElement) { |
1089 | if (Prototype.BrowserFeatures.XPath) { | |
1090 | var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; | |
1091 | return document._getElementsByXPath(q, parentElement); | |
1092 | } else { | |
1093 | var children = ($(parentElement) || document.body).getElementsByTagName('*'); | |
1094 | var elements = [], child; | |
1095 | for (var i = 0, length = children.length; i < length; i++) { | |
1096 | child = children[i]; | |
1097 | if (Element.hasClassName(child, className)) | |
1098 | elements.push(Element.extend(child)); | |
1099 | } | |
1100 | return elements; | |
1101 | } | |
1102 | }; | |
1103 | ||
14f69488 AD |
1104 | /*--------------------------------------------------------------------------*/ |
1105 | ||
5c656a9d | 1106 | if (!window.Element) |
14f69488 | 1107 | var Element = new Object(); |
14f69488 | 1108 | |
5c656a9d AD |
1109 | Element.extend = function(element) { |
1110 | if (!element || _nativeExtensions || element.nodeType == 3) return element; | |
1111 | ||
1112 | if (!element._extended && element.tagName && element != window) { | |
1113 | var methods = Object.clone(Element.Methods), cache = Element.extend.cache; | |
1114 | ||
1115 | if (element.tagName == 'FORM') | |
1116 | Object.extend(methods, Form.Methods); | |
1117 | if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName)) | |
1118 | Object.extend(methods, Form.Element.Methods); | |
1119 | ||
1120 | Object.extend(methods, Element.Methods.Simulated); | |
1121 | ||
1122 | for (var property in methods) { | |
1123 | var value = methods[property]; | |
1124 | if (typeof value == 'function' && !(property in element)) | |
1125 | element[property] = cache.findOrStore(value); | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | element._extended = true; | |
1130 | return element; | |
1131 | }; | |
1132 | ||
1133 | Element.extend.cache = { | |
1134 | findOrStore: function(value) { | |
1135 | return this[value] = this[value] || function() { | |
1136 | return value.apply(null, [this].concat($A(arguments))); | |
1137 | } | |
1138 | } | |
1139 | }; | |
1140 | ||
1141 | Element.Methods = { | |
14f69488 AD |
1142 | visible: function(element) { |
1143 | return $(element).style.display != 'none'; | |
1144 | }, | |
1145 | ||
5c656a9d AD |
1146 | toggle: function(element) { |
1147 | element = $(element); | |
1148 | Element[Element.visible(element) ? 'hide' : 'show'](element); | |
1149 | return element; | |
14f69488 AD |
1150 | }, |
1151 | ||
5c656a9d AD |
1152 | hide: function(element) { |
1153 | $(element).style.display = 'none'; | |
1154 | return element; | |
14f69488 AD |
1155 | }, |
1156 | ||
5c656a9d AD |
1157 | show: function(element) { |
1158 | $(element).style.display = ''; | |
1159 | return element; | |
14f69488 AD |
1160 | }, |
1161 | ||
1162 | remove: function(element) { | |
1163 | element = $(element); | |
1164 | element.parentNode.removeChild(element); | |
5c656a9d | 1165 | return element; |
14f69488 AD |
1166 | }, |
1167 | ||
1168 | update: function(element, html) { | |
5c656a9d | 1169 | html = typeof html == 'undefined' ? '' : html.toString(); |
14f69488 AD |
1170 | $(element).innerHTML = html.stripScripts(); |
1171 | setTimeout(function() {html.evalScripts()}, 10); | |
5c656a9d | 1172 | return element; |
14f69488 AD |
1173 | }, |
1174 | ||
5c656a9d AD |
1175 | replace: function(element, html) { |
1176 | element = $(element); | |
1177 | html = typeof html == 'undefined' ? '' : html.toString(); | |
1178 | if (element.outerHTML) { | |
1179 | element.outerHTML = html.stripScripts(); | |
1180 | } else { | |
1181 | var range = element.ownerDocument.createRange(); | |
1182 | range.selectNodeContents(element); | |
1183 | element.parentNode.replaceChild( | |
1184 | range.createContextualFragment(html.stripScripts()), element); | |
1185 | } | |
1186 | setTimeout(function() {html.evalScripts()}, 10); | |
1187 | return element; | |
1188 | }, | |
1189 | ||
1190 | inspect: function(element) { | |
1191 | element = $(element); | |
1192 | var result = '<' + element.tagName.toLowerCase(); | |
1193 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { | |
1194 | var property = pair.first(), attribute = pair.last(); | |
1195 | var value = (element[property] || '').toString(); | |
1196 | if (value) result += ' ' + attribute + '=' + value.inspect(true); | |
1197 | }); | |
1198 | return result + '>'; | |
1199 | }, | |
1200 | ||
1201 | recursivelyCollect: function(element, property) { | |
1202 | element = $(element); | |
1203 | var elements = []; | |
1204 | while (element = element[property]) | |
1205 | if (element.nodeType == 1) | |
1206 | elements.push(Element.extend(element)); | |
1207 | return elements; | |
1208 | }, | |
1209 | ||
1210 | ancestors: function(element) { | |
1211 | return $(element).recursivelyCollect('parentNode'); | |
1212 | }, | |
1213 | ||
1214 | descendants: function(element) { | |
1215 | return $A($(element).getElementsByTagName('*')); | |
1216 | }, | |
1217 | ||
1218 | immediateDescendants: function(element) { | |
1219 | if (!(element = $(element).firstChild)) return []; | |
1220 | while (element && element.nodeType != 1) element = element.nextSibling; | |
1221 | if (element) return [element].concat($(element).nextSiblings()); | |
1222 | return []; | |
1223 | }, | |
1224 | ||
1225 | previousSiblings: function(element) { | |
1226 | return $(element).recursivelyCollect('previousSibling'); | |
1227 | }, | |
1228 | ||
1229 | nextSiblings: function(element) { | |
1230 | return $(element).recursivelyCollect('nextSibling'); | |
1231 | }, | |
1232 | ||
1233 | siblings: function(element) { | |
14f69488 | 1234 | element = $(element); |
5c656a9d AD |
1235 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
1236 | }, | |
1237 | ||
1238 | match: function(element, selector) { | |
1239 | if (typeof selector == 'string') | |
1240 | selector = new Selector(selector); | |
1241 | return selector.match($(element)); | |
1242 | }, | |
1243 | ||
1244 | up: function(element, expression, index) { | |
1245 | return Selector.findElement($(element).ancestors(), expression, index); | |
1246 | }, | |
1247 | ||
1248 | down: function(element, expression, index) { | |
1249 | return Selector.findElement($(element).descendants(), expression, index); | |
1250 | }, | |
1251 | ||
1252 | previous: function(element, expression, index) { | |
1253 | return Selector.findElement($(element).previousSiblings(), expression, index); | |
1254 | }, | |
1255 | ||
1256 | next: function(element, expression, index) { | |
1257 | return Selector.findElement($(element).nextSiblings(), expression, index); | |
1258 | }, | |
1259 | ||
1260 | getElementsBySelector: function() { | |
1261 | var args = $A(arguments), element = $(args.shift()); | |
1262 | return Selector.findChildElements(element, args); | |
1263 | }, | |
1264 | ||
1265 | getElementsByClassName: function(element, className) { | |
1266 | return document.getElementsByClassName(className, element); | |
1267 | }, | |
1268 | ||
1269 | readAttribute: function(element, name) { | |
1270 | element = $(element); | |
1271 | if (document.all && !window.opera) { | |
1272 | var t = Element._attributeTranslations; | |
1273 | if (t.values[name]) return t.values[name](element, name); | |
1274 | if (t.names[name]) name = t.names[name]; | |
1275 | var attribute = element.attributes[name]; | |
1276 | if(attribute) return attribute.nodeValue; | |
1277 | } | |
1278 | return element.getAttribute(name); | |
1279 | }, | |
1280 | ||
1281 | getHeight: function(element) { | |
1282 | return $(element).getDimensions().height; | |
1283 | }, | |
1284 | ||
1285 | getWidth: function(element) { | |
1286 | return $(element).getDimensions().width; | |
14f69488 AD |
1287 | }, |
1288 | ||
1289 | classNames: function(element) { | |
1290 | return new Element.ClassNames(element); | |
1291 | }, | |
1292 | ||
1293 | hasClassName: function(element, className) { | |
1294 | if (!(element = $(element))) return; | |
5c656a9d AD |
1295 | var elementClassName = element.className; |
1296 | if (elementClassName.length == 0) return false; | |
1297 | if (elementClassName == className || | |
1298 | elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) | |
1299 | return true; | |
1300 | return false; | |
14f69488 AD |
1301 | }, |
1302 | ||
1303 | addClassName: function(element, className) { | |
1304 | if (!(element = $(element))) return; | |
5c656a9d AD |
1305 | Element.classNames(element).add(className); |
1306 | return element; | |
14f69488 AD |
1307 | }, |
1308 | ||
1309 | removeClassName: function(element, className) { | |
1310 | if (!(element = $(element))) return; | |
5c656a9d AD |
1311 | Element.classNames(element).remove(className); |
1312 | return element; | |
1313 | }, | |
1314 | ||
1315 | toggleClassName: function(element, className) { | |
1316 | if (!(element = $(element))) return; | |
1317 | Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className); | |
1318 | return element; | |
1319 | }, | |
1320 | ||
1321 | observe: function() { | |
1322 | Event.observe.apply(Event, arguments); | |
1323 | return $A(arguments).first(); | |
1324 | }, | |
1325 | ||
1326 | stopObserving: function() { | |
1327 | Event.stopObserving.apply(Event, arguments); | |
1328 | return $A(arguments).first(); | |
14f69488 AD |
1329 | }, |
1330 | ||
1331 | // removes whitespace-only text node children | |
1332 | cleanWhitespace: function(element) { | |
1333 | element = $(element); | |
5c656a9d AD |
1334 | var node = element.firstChild; |
1335 | while (node) { | |
1336 | var nextNode = node.nextSibling; | |
14f69488 | 1337 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
5c656a9d AD |
1338 | element.removeChild(node); |
1339 | node = nextNode; | |
14f69488 | 1340 | } |
5c656a9d | 1341 | return element; |
14f69488 AD |
1342 | }, |
1343 | ||
1344 | empty: function(element) { | |
1345 | return $(element).innerHTML.match(/^\s*$/); | |
1346 | }, | |
1347 | ||
5c656a9d AD |
1348 | descendantOf: function(element, ancestor) { |
1349 | element = $(element), ancestor = $(ancestor); | |
1350 | while (element = element.parentNode) | |
1351 | if (element == ancestor) return true; | |
1352 | return false; | |
1353 | }, | |
1354 | ||
14f69488 AD |
1355 | scrollTo: function(element) { |
1356 | element = $(element); | |
5c656a9d AD |
1357 | var pos = Position.cumulativeOffset(element); |
1358 | window.scrollTo(pos[0], pos[1]); | |
1359 | return element; | |
14f69488 AD |
1360 | }, |
1361 | ||
1362 | getStyle: function(element, style) { | |
1363 | element = $(element); | |
5c656a9d AD |
1364 | if (['float','cssFloat'].include(style)) |
1365 | style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat'); | |
1366 | style = style.camelize(); | |
1367 | var value = element.style[style]; | |
14f69488 AD |
1368 | if (!value) { |
1369 | if (document.defaultView && document.defaultView.getComputedStyle) { | |
1370 | var css = document.defaultView.getComputedStyle(element, null); | |
5c656a9d | 1371 | value = css ? css[style] : null; |
14f69488 | 1372 | } else if (element.currentStyle) { |
5c656a9d | 1373 | value = element.currentStyle[style]; |
14f69488 AD |
1374 | } |
1375 | } | |
1376 | ||
5c656a9d AD |
1377 | if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none')) |
1378 | value = element['offset'+style.capitalize()] + 'px'; | |
1379 | ||
14f69488 AD |
1380 | if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) |
1381 | if (Element.getStyle(element, 'position') == 'static') value = 'auto'; | |
5c656a9d AD |
1382 | if(style == 'opacity') { |
1383 | if(value) return parseFloat(value); | |
1384 | if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) | |
1385 | if(value[1]) return parseFloat(value[1]) / 100; | |
1386 | return 1.0; | |
1387 | } | |
14f69488 AD |
1388 | return value == 'auto' ? null : value; |
1389 | }, | |
1390 | ||
1391 | setStyle: function(element, style) { | |
1392 | element = $(element); | |
5c656a9d AD |
1393 | for (var name in style) { |
1394 | var value = style[name]; | |
1395 | if(name == 'opacity') { | |
1396 | if (value == 1) { | |
1397 | value = (/Gecko/.test(navigator.userAgent) && | |
1398 | !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0; | |
1399 | if(/MSIE/.test(navigator.userAgent) && !window.opera) | |
1400 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); | |
1401 | } else if(value == '') { | |
1402 | if(/MSIE/.test(navigator.userAgent) && !window.opera) | |
1403 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,''); | |
1404 | } else { | |
1405 | if(value < 0.00001) value = 0; | |
1406 | if(/MSIE/.test(navigator.userAgent) && !window.opera) | |
1407 | element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') + | |
1408 | 'alpha(opacity='+value*100+')'; | |
1409 | } | |
1410 | } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat'; | |
1411 | element.style[name.camelize()] = value; | |
1412 | } | |
1413 | return element; | |
14f69488 AD |
1414 | }, |
1415 | ||
1416 | getDimensions: function(element) { | |
1417 | element = $(element); | |
5c656a9d AD |
1418 | var display = $(element).getStyle('display'); |
1419 | if (display != 'none' && display != null) // Safari bug | |
14f69488 AD |
1420 | return {width: element.offsetWidth, height: element.offsetHeight}; |
1421 | ||
1422 | // All *Width and *Height properties give 0 on elements with display none, | |
1423 | // so enable the element temporarily | |
1424 | var els = element.style; | |
1425 | var originalVisibility = els.visibility; | |
1426 | var originalPosition = els.position; | |
5c656a9d | 1427 | var originalDisplay = els.display; |
14f69488 AD |
1428 | els.visibility = 'hidden'; |
1429 | els.position = 'absolute'; | |
5c656a9d | 1430 | els.display = 'block'; |
14f69488 AD |
1431 | var originalWidth = element.clientWidth; |
1432 | var originalHeight = element.clientHeight; | |
5c656a9d | 1433 | els.display = originalDisplay; |
14f69488 AD |
1434 | els.position = originalPosition; |
1435 | els.visibility = originalVisibility; | |
1436 | return {width: originalWidth, height: originalHeight}; | |
1437 | }, | |
1438 | ||
1439 | makePositioned: function(element) { | |
1440 | element = $(element); | |
1441 | var pos = Element.getStyle(element, 'position'); | |
1442 | if (pos == 'static' || !pos) { | |
1443 | element._madePositioned = true; | |
1444 | element.style.position = 'relative'; | |
1445 | // Opera returns the offset relative to the positioning context, when an | |
1446 | // element is position relative but top and left have not been defined | |
1447 | if (window.opera) { | |
1448 | element.style.top = 0; | |
1449 | element.style.left = 0; | |
1450 | } | |
1451 | } | |
5c656a9d | 1452 | return element; |
14f69488 AD |
1453 | }, |
1454 | ||
1455 | undoPositioned: function(element) { | |
1456 | element = $(element); | |
1457 | if (element._madePositioned) { | |
1458 | element._madePositioned = undefined; | |
1459 | element.style.position = | |
1460 | element.style.top = | |
1461 | element.style.left = | |
1462 | element.style.bottom = | |
1463 | element.style.right = ''; | |
1464 | } | |
5c656a9d | 1465 | return element; |
14f69488 AD |
1466 | }, |
1467 | ||
1468 | makeClipping: function(element) { | |
1469 | element = $(element); | |
5c656a9d AD |
1470 | if (element._overflow) return element; |
1471 | element._overflow = element.style.overflow || 'auto'; | |
14f69488 AD |
1472 | if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') |
1473 | element.style.overflow = 'hidden'; | |
5c656a9d | 1474 | return element; |
14f69488 AD |
1475 | }, |
1476 | ||
1477 | undoClipping: function(element) { | |
1478 | element = $(element); | |
5c656a9d AD |
1479 | if (!element._overflow) return element; |
1480 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; | |
1481 | element._overflow = null; | |
1482 | return element; | |
1483 | } | |
1484 | }; | |
1485 | ||
1486 | Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf}); | |
1487 | ||
1488 | Element._attributeTranslations = {}; | |
1489 | ||
1490 | Element._attributeTranslations.names = { | |
1491 | colspan: "colSpan", | |
1492 | rowspan: "rowSpan", | |
1493 | valign: "vAlign", | |
1494 | datetime: "dateTime", | |
1495 | accesskey: "accessKey", | |
1496 | tabindex: "tabIndex", | |
1497 | enctype: "encType", | |
1498 | maxlength: "maxLength", | |
1499 | readonly: "readOnly", | |
1500 | longdesc: "longDesc" | |
1501 | }; | |
1502 | ||
1503 | Element._attributeTranslations.values = { | |
1504 | _getAttr: function(element, attribute) { | |
1505 | return element.getAttribute(attribute, 2); | |
1506 | }, | |
1507 | ||
1508 | _flag: function(element, attribute) { | |
1509 | return $(element).hasAttribute(attribute) ? attribute : null; | |
1510 | }, | |
1511 | ||
1512 | style: function(element) { | |
1513 | return element.style.cssText.toLowerCase(); | |
1514 | }, | |
1515 | ||
1516 | title: function(element) { | |
1517 | var node = element.getAttributeNode('title'); | |
1518 | return node.specified ? node.nodeValue : null; | |
14f69488 | 1519 | } |
5c656a9d AD |
1520 | }; |
1521 | ||
1522 | Object.extend(Element._attributeTranslations.values, { | |
1523 | href: Element._attributeTranslations.values._getAttr, | |
1524 | src: Element._attributeTranslations.values._getAttr, | |
1525 | disabled: Element._attributeTranslations.values._flag, | |
1526 | checked: Element._attributeTranslations.values._flag, | |
1527 | readonly: Element._attributeTranslations.values._flag, | |
1528 | multiple: Element._attributeTranslations.values._flag | |
14f69488 AD |
1529 | }); |
1530 | ||
5c656a9d AD |
1531 | Element.Methods.Simulated = { |
1532 | hasAttribute: function(element, attribute) { | |
1533 | var t = Element._attributeTranslations; | |
1534 | attribute = t.names[attribute] || attribute; | |
1535 | return $(element).getAttributeNode(attribute).specified; | |
1536 | } | |
1537 | }; | |
1538 | ||
1539 | // IE is missing .innerHTML support for TABLE-related elements | |
1540 | if (document.all && !window.opera){ | |
1541 | Element.Methods.update = function(element, html) { | |
1542 | element = $(element); | |
1543 | html = typeof html == 'undefined' ? '' : html.toString(); | |
1544 | var tagName = element.tagName.toUpperCase(); | |
1545 | if (['THEAD','TBODY','TR','TD'].include(tagName)) { | |
1546 | var div = document.createElement('div'); | |
1547 | switch (tagName) { | |
1548 | case 'THEAD': | |
1549 | case 'TBODY': | |
1550 | div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>'; | |
1551 | depth = 2; | |
1552 | break; | |
1553 | case 'TR': | |
1554 | div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>'; | |
1555 | depth = 3; | |
1556 | break; | |
1557 | case 'TD': | |
1558 | div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>'; | |
1559 | depth = 4; | |
1560 | } | |
1561 | $A(element.childNodes).each(function(node){ | |
1562 | element.removeChild(node) | |
1563 | }); | |
1564 | depth.times(function(){ div = div.firstChild }); | |
1565 | ||
1566 | $A(div.childNodes).each( | |
1567 | function(node){ element.appendChild(node) }); | |
1568 | } else { | |
1569 | element.innerHTML = html.stripScripts(); | |
1570 | } | |
1571 | setTimeout(function() {html.evalScripts()}, 10); | |
1572 | return element; | |
1573 | } | |
1574 | }; | |
1575 | ||
1576 | Object.extend(Element, Element.Methods); | |
1577 | ||
1578 | var _nativeExtensions = false; | |
1579 | ||
1580 | if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) | |
1581 | ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { | |
1582 | var className = 'HTML' + tag + 'Element'; | |
1583 | if(window[className]) return; | |
1584 | var klass = window[className] = {}; | |
1585 | klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; | |
1586 | }); | |
1587 | ||
1588 | Element.addMethods = function(methods) { | |
1589 | Object.extend(Element.Methods, methods || {}); | |
1590 | ||
1591 | function copy(methods, destination, onlyIfAbsent) { | |
1592 | onlyIfAbsent = onlyIfAbsent || false; | |
1593 | var cache = Element.extend.cache; | |
1594 | for (var property in methods) { | |
1595 | var value = methods[property]; | |
1596 | if (!onlyIfAbsent || !(property in destination)) | |
1597 | destination[property] = cache.findOrStore(value); | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | if (typeof HTMLElement != 'undefined') { | |
1602 | copy(Element.Methods, HTMLElement.prototype); | |
1603 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); | |
1604 | copy(Form.Methods, HTMLFormElement.prototype); | |
1605 | [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { | |
1606 | copy(Form.Element.Methods, klass.prototype); | |
1607 | }); | |
1608 | _nativeExtensions = true; | |
1609 | } | |
1610 | } | |
1611 | ||
14f69488 AD |
1612 | var Toggle = new Object(); |
1613 | Toggle.display = Element.toggle; | |
1614 | ||
1615 | /*--------------------------------------------------------------------------*/ | |
1616 | ||
1617 | Abstract.Insertion = function(adjacency) { | |
1618 | this.adjacency = adjacency; | |
1619 | } | |
1620 | ||
1621 | Abstract.Insertion.prototype = { | |
1622 | initialize: function(element, content) { | |
1623 | this.element = $(element); | |
1624 | this.content = content.stripScripts(); | |
1625 | ||
1626 | if (this.adjacency && this.element.insertAdjacentHTML) { | |
1627 | try { | |
1628 | this.element.insertAdjacentHTML(this.adjacency, this.content); | |
1629 | } catch (e) { | |
5c656a9d AD |
1630 | var tagName = this.element.tagName.toUpperCase(); |
1631 | if (['TBODY', 'TR'].include(tagName)) { | |
14f69488 AD |
1632 | this.insertContent(this.contentFromAnonymousTable()); |
1633 | } else { | |
1634 | throw e; | |
1635 | } | |
1636 | } | |
1637 | } else { | |
1638 | this.range = this.element.ownerDocument.createRange(); | |
1639 | if (this.initializeRange) this.initializeRange(); | |
1640 | this.insertContent([this.range.createContextualFragment(this.content)]); | |
1641 | } | |
1642 | ||
1643 | setTimeout(function() {content.evalScripts()}, 10); | |
1644 | }, | |
1645 | ||
1646 | contentFromAnonymousTable: function() { | |
1647 | var div = document.createElement('div'); | |
1648 | div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>'; | |
1649 | return $A(div.childNodes[0].childNodes[0].childNodes); | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | var Insertion = new Object(); | |
1654 | ||
1655 | Insertion.Before = Class.create(); | |
1656 | Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { | |
1657 | initializeRange: function() { | |
1658 | this.range.setStartBefore(this.element); | |
1659 | }, | |
1660 | ||
1661 | insertContent: function(fragments) { | |
1662 | fragments.each((function(fragment) { | |
1663 | this.element.parentNode.insertBefore(fragment, this.element); | |
1664 | }).bind(this)); | |
1665 | } | |
1666 | }); | |
1667 | ||
1668 | Insertion.Top = Class.create(); | |
1669 | Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { | |
1670 | initializeRange: function() { | |
1671 | this.range.selectNodeContents(this.element); | |
1672 | this.range.collapse(true); | |
1673 | }, | |
1674 | ||
1675 | insertContent: function(fragments) { | |
1676 | fragments.reverse(false).each((function(fragment) { | |
1677 | this.element.insertBefore(fragment, this.element.firstChild); | |
1678 | }).bind(this)); | |
1679 | } | |
1680 | }); | |
1681 | ||
1682 | Insertion.Bottom = Class.create(); | |
1683 | Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { | |
1684 | initializeRange: function() { | |
1685 | this.range.selectNodeContents(this.element); | |
1686 | this.range.collapse(this.element); | |
1687 | }, | |
1688 | ||
1689 | insertContent: function(fragments) { | |
1690 | fragments.each((function(fragment) { | |
1691 | this.element.appendChild(fragment); | |
1692 | }).bind(this)); | |
1693 | } | |
1694 | }); | |
1695 | ||
1696 | Insertion.After = Class.create(); | |
1697 | Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { | |
1698 | initializeRange: function() { | |
1699 | this.range.setStartAfter(this.element); | |
1700 | }, | |
1701 | ||
1702 | insertContent: function(fragments) { | |
1703 | fragments.each((function(fragment) { | |
1704 | this.element.parentNode.insertBefore(fragment, | |
1705 | this.element.nextSibling); | |
1706 | }).bind(this)); | |
1707 | } | |
1708 | }); | |
1709 | ||
1710 | /*--------------------------------------------------------------------------*/ | |
1711 | ||
1712 | Element.ClassNames = Class.create(); | |
1713 | Element.ClassNames.prototype = { | |
1714 | initialize: function(element) { | |
1715 | this.element = $(element); | |
1716 | }, | |
1717 | ||
1718 | _each: function(iterator) { | |
1719 | this.element.className.split(/\s+/).select(function(name) { | |
1720 | return name.length > 0; | |
1721 | })._each(iterator); | |
1722 | }, | |
1723 | ||
1724 | set: function(className) { | |
1725 | this.element.className = className; | |
1726 | }, | |
1727 | ||
1728 | add: function(classNameToAdd) { | |
1729 | if (this.include(classNameToAdd)) return; | |
5c656a9d | 1730 | this.set($A(this).concat(classNameToAdd).join(' ')); |
14f69488 AD |
1731 | }, |
1732 | ||
1733 | remove: function(classNameToRemove) { | |
1734 | if (!this.include(classNameToRemove)) return; | |
5c656a9d | 1735 | this.set($A(this).without(classNameToRemove).join(' ')); |
14f69488 AD |
1736 | }, |
1737 | ||
1738 | toString: function() { | |
5c656a9d | 1739 | return $A(this).join(' '); |
14f69488 | 1740 | } |
5c656a9d | 1741 | }; |
14f69488 AD |
1742 | |
1743 | Object.extend(Element.ClassNames.prototype, Enumerable); | |
5c656a9d AD |
1744 | var Selector = Class.create(); |
1745 | Selector.prototype = { | |
1746 | initialize: function(expression) { | |
1747 | this.params = {classNames: []}; | |
1748 | this.expression = expression.toString().strip(); | |
1749 | this.parseExpression(); | |
1750 | this.compileMatcher(); | |
14f69488 AD |
1751 | }, |
1752 | ||
5c656a9d AD |
1753 | parseExpression: function() { |
1754 | function abort(message) { throw 'Parse error in selector: ' + message; } | |
1755 | ||
1756 | if (this.expression == '') abort('empty expression'); | |
1757 | ||
1758 | var params = this.params, expr = this.expression, match, modifier, clause, rest; | |
1759 | while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { | |
1760 | params.attributes = params.attributes || []; | |
1761 | params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); | |
1762 | expr = match[1]; | |
1763 | } | |
1764 | ||
1765 | if (expr == '*') return this.params.wildcard = true; | |
1766 | ||
1767 | while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { | |
1768 | modifier = match[1], clause = match[2], rest = match[3]; | |
1769 | switch (modifier) { | |
1770 | case '#': params.id = clause; break; | |
1771 | case '.': params.classNames.push(clause); break; | |
1772 | case '': | |
1773 | case undefined: params.tagName = clause.toUpperCase(); break; | |
1774 | default: abort(expr.inspect()); | |
1775 | } | |
1776 | expr = rest; | |
1777 | } | |
1778 | ||
1779 | if (expr.length > 0) abort(expr.inspect()); | |
1780 | }, | |
1781 | ||
1782 | buildMatchExpression: function() { | |
1783 | var params = this.params, conditions = [], clause; | |
1784 | ||
1785 | if (params.wildcard) | |
1786 | conditions.push('true'); | |
1787 | if (clause = params.id) | |
1788 | conditions.push('element.readAttribute("id") == ' + clause.inspect()); | |
1789 | if (clause = params.tagName) | |
1790 | conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); | |
1791 | if ((clause = params.classNames).length > 0) | |
1792 | for (var i = 0, length = clause.length; i < length; i++) | |
1793 | conditions.push('element.hasClassName(' + clause[i].inspect() + ')'); | |
1794 | if (clause = params.attributes) { | |
1795 | clause.each(function(attribute) { | |
1796 | var value = 'element.readAttribute(' + attribute.name.inspect() + ')'; | |
1797 | var splitValueBy = function(delimiter) { | |
1798 | return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; | |
1799 | } | |
1800 | ||
1801 | switch (attribute.operator) { | |
1802 | case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; | |
1803 | case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; | |
1804 | case '|=': conditions.push( | |
1805 | splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() | |
1806 | ); break; | |
1807 | case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; | |
1808 | case '': | |
1809 | case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break; | |
1810 | default: throw 'Unknown operator ' + attribute.operator + ' in selector'; | |
1811 | } | |
1812 | }); | |
1813 | } | |
1814 | ||
1815 | return conditions.join(' && '); | |
14f69488 AD |
1816 | }, |
1817 | ||
5c656a9d AD |
1818 | compileMatcher: function() { |
1819 | this.match = new Function('element', 'if (!element.tagName) return false; \ | |
1820 | element = $(element); \ | |
1821 | return ' + this.buildMatchExpression()); | |
14f69488 AD |
1822 | }, |
1823 | ||
5c656a9d AD |
1824 | findElements: function(scope) { |
1825 | var element; | |
1826 | ||
1827 | if (element = $(this.params.id)) | |
1828 | if (this.match(element)) | |
1829 | if (!scope || Element.childOf(element, scope)) | |
1830 | return [element]; | |
1831 | ||
1832 | scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); | |
1833 | ||
1834 | var results = []; | |
1835 | for (var i = 0, length = scope.length; i < length; i++) | |
1836 | if (this.match(element = scope[i])) | |
1837 | results.push(Element.extend(element)); | |
1838 | ||
1839 | return results; | |
14f69488 AD |
1840 | }, |
1841 | ||
5c656a9d AD |
1842 | toString: function() { |
1843 | return this.expression; | |
14f69488 AD |
1844 | } |
1845 | } | |
1846 | ||
5c656a9d AD |
1847 | Object.extend(Selector, { |
1848 | matchElements: function(elements, expression) { | |
1849 | var selector = new Selector(expression); | |
1850 | return elements.select(selector.match.bind(selector)).map(Element.extend); | |
1851 | }, | |
1852 | ||
1853 | findElement: function(elements, expression, index) { | |
1854 | if (typeof expression == 'number') index = expression, expression = false; | |
1855 | return Selector.matchElements(elements, expression || '*')[index || 0]; | |
1856 | }, | |
1857 | ||
1858 | findChildElements: function(element, expressions) { | |
1859 | return expressions.map(function(expression) { | |
1860 | return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { | |
1861 | var selector = new Selector(expr); | |
1862 | return results.inject([], function(elements, result) { | |
1863 | return elements.concat(selector.findElements(result || element)); | |
1864 | }); | |
1865 | }); | |
1866 | }).flatten(); | |
1867 | } | |
1868 | }); | |
14f69488 | 1869 | |
5c656a9d AD |
1870 | function $$() { |
1871 | return Selector.findChildElements(document, $A(arguments)); | |
1872 | } | |
14f69488 | 1873 | var Form = { |
5c656a9d AD |
1874 | reset: function(form) { |
1875 | $(form).reset(); | |
1876 | return form; | |
1877 | }, | |
1878 | ||
1879 | serializeElements: function(elements, getHash) { | |
1880 | var data = elements.inject({}, function(result, element) { | |
1881 | if (!element.disabled && element.name) { | |
1882 | var key = element.name, value = $(element).getValue(); | |
1883 | if (value != undefined) { | |
1884 | if (result[key]) { | |
1885 | if (result[key].constructor != Array) result[key] = [result[key]]; | |
1886 | result[key].push(value); | |
1887 | } | |
1888 | else result[key] = value; | |
1889 | } | |
1890 | } | |
1891 | return result; | |
1892 | }); | |
1893 | ||
1894 | return getHash ? data : Hash.toQueryString(data); | |
1895 | } | |
1896 | }; | |
14f69488 | 1897 | |
5c656a9d AD |
1898 | Form.Methods = { |
1899 | serialize: function(form, getHash) { | |
1900 | return Form.serializeElements(Form.getElements(form), getHash); | |
14f69488 AD |
1901 | }, |
1902 | ||
1903 | getElements: function(form) { | |
5c656a9d AD |
1904 | return $A($(form).getElementsByTagName('*')).inject([], |
1905 | function(elements, child) { | |
1906 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) | |
1907 | elements.push(Element.extend(child)); | |
1908 | return elements; | |
1909 | } | |
1910 | ); | |
14f69488 AD |
1911 | }, |
1912 | ||
1913 | getInputs: function(form, typeName, name) { | |
1914 | form = $(form); | |
1915 | var inputs = form.getElementsByTagName('input'); | |
1916 | ||
5c656a9d | 1917 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
14f69488 | 1918 | |
5c656a9d | 1919 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
14f69488 | 1920 | var input = inputs[i]; |
5c656a9d | 1921 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
14f69488 | 1922 | continue; |
5c656a9d | 1923 | matchingInputs.push(Element.extend(input)); |
14f69488 AD |
1924 | } |
1925 | ||
1926 | return matchingInputs; | |
1927 | }, | |
1928 | ||
1929 | disable: function(form) { | |
5c656a9d AD |
1930 | form = $(form); |
1931 | form.getElements().each(function(element) { | |
14f69488 AD |
1932 | element.blur(); |
1933 | element.disabled = 'true'; | |
5c656a9d AD |
1934 | }); |
1935 | return form; | |
14f69488 AD |
1936 | }, |
1937 | ||
1938 | enable: function(form) { | |
5c656a9d AD |
1939 | form = $(form); |
1940 | form.getElements().each(function(element) { | |
14f69488 | 1941 | element.disabled = ''; |
5c656a9d AD |
1942 | }); |
1943 | return form; | |
14f69488 AD |
1944 | }, |
1945 | ||
1946 | findFirstElement: function(form) { | |
5c656a9d | 1947 | return $(form).getElements().find(function(element) { |
14f69488 AD |
1948 | return element.type != 'hidden' && !element.disabled && |
1949 | ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); | |
1950 | }); | |
1951 | }, | |
1952 | ||
1953 | focusFirstElement: function(form) { | |
5c656a9d AD |
1954 | form = $(form); |
1955 | form.findFirstElement().activate(); | |
1956 | return form; | |
1957 | } | |
1958 | } | |
1959 | ||
1960 | Object.extend(Form, Form.Methods); | |
1961 | ||
1962 | /*--------------------------------------------------------------------------*/ | |
1963 | ||
1964 | Form.Element = { | |
1965 | focus: function(element) { | |
1966 | $(element).focus(); | |
1967 | return element; | |
14f69488 AD |
1968 | }, |
1969 | ||
5c656a9d AD |
1970 | select: function(element) { |
1971 | $(element).select(); | |
1972 | return element; | |
14f69488 AD |
1973 | } |
1974 | } | |
1975 | ||
5c656a9d | 1976 | Form.Element.Methods = { |
14f69488 | 1977 | serialize: function(element) { |
5c656a9d AD |
1978 | element = $(element); |
1979 | if (!element.disabled && element.name) { | |
1980 | var value = element.getValue(); | |
1981 | if (value != undefined) { | |
1982 | var pair = {}; | |
1983 | pair[element.name] = value; | |
1984 | return Hash.toQueryString(pair); | |
1985 | } | |
1986 | } | |
1987 | return ''; | |
1988 | }, | |
1989 | ||
1990 | getValue: function(element) { | |
14f69488 AD |
1991 | element = $(element); |
1992 | var method = element.tagName.toLowerCase(); | |
5c656a9d AD |
1993 | return Form.Element.Serializers[method](element); |
1994 | }, | |
14f69488 | 1995 | |
5c656a9d AD |
1996 | clear: function(element) { |
1997 | $(element).value = ''; | |
1998 | return element; | |
1999 | }, | |
14f69488 | 2000 | |
5c656a9d AD |
2001 | present: function(element) { |
2002 | return $(element).value != ''; | |
2003 | }, | |
14f69488 | 2004 | |
5c656a9d AD |
2005 | activate: function(element) { |
2006 | element = $(element); | |
2007 | element.focus(); | |
2008 | if (element.select && ( element.tagName.toLowerCase() != 'input' || | |
2009 | !['button', 'reset', 'submit'].include(element.type) ) ) | |
2010 | element.select(); | |
2011 | return element; | |
14f69488 AD |
2012 | }, |
2013 | ||
5c656a9d | 2014 | disable: function(element) { |
14f69488 | 2015 | element = $(element); |
5c656a9d AD |
2016 | element.disabled = true; |
2017 | return element; | |
2018 | }, | |
14f69488 | 2019 | |
5c656a9d AD |
2020 | enable: function(element) { |
2021 | element = $(element); | |
2022 | element.blur(); | |
2023 | element.disabled = false; | |
2024 | return element; | |
14f69488 AD |
2025 | } |
2026 | } | |
2027 | ||
5c656a9d AD |
2028 | Object.extend(Form.Element, Form.Element.Methods); |
2029 | var Field = Form.Element; | |
2030 | var $F = Form.Element.getValue; | |
2031 | ||
2032 | /*--------------------------------------------------------------------------*/ | |
2033 | ||
14f69488 AD |
2034 | Form.Element.Serializers = { |
2035 | input: function(element) { | |
2036 | switch (element.type.toLowerCase()) { | |
14f69488 AD |
2037 | case 'checkbox': |
2038 | case 'radio': | |
2039 | return Form.Element.Serializers.inputSelector(element); | |
5c656a9d AD |
2040 | default: |
2041 | return Form.Element.Serializers.textarea(element); | |
14f69488 | 2042 | } |
14f69488 AD |
2043 | }, |
2044 | ||
2045 | inputSelector: function(element) { | |
5c656a9d | 2046 | return element.checked ? element.value : null; |
14f69488 AD |
2047 | }, |
2048 | ||
2049 | textarea: function(element) { | |
5c656a9d | 2050 | return element.value; |
14f69488 AD |
2051 | }, |
2052 | ||
2053 | select: function(element) { | |
5c656a9d | 2054 | return this[element.type == 'select-one' ? |
14f69488 AD |
2055 | 'selectOne' : 'selectMany'](element); |
2056 | }, | |
2057 | ||
2058 | selectOne: function(element) { | |
5c656a9d AD |
2059 | var index = element.selectedIndex; |
2060 | return index >= 0 ? this.optionValue(element.options[index]) : null; | |
14f69488 AD |
2061 | }, |
2062 | ||
2063 | selectMany: function(element) { | |
5c656a9d AD |
2064 | var values, length = element.length; |
2065 | if (!length) return null; | |
2066 | ||
2067 | for (var i = 0, values = []; i < length; i++) { | |
14f69488 | 2068 | var opt = element.options[i]; |
5c656a9d | 2069 | if (opt.selected) values.push(this.optionValue(opt)); |
14f69488 | 2070 | } |
5c656a9d AD |
2071 | return values; |
2072 | }, | |
2073 | ||
2074 | optionValue: function(opt) { | |
2075 | // extend element because hasAttribute may not be native | |
2076 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; | |
14f69488 AD |
2077 | } |
2078 | } | |
2079 | ||
2080 | /*--------------------------------------------------------------------------*/ | |
2081 | ||
14f69488 AD |
2082 | Abstract.TimedObserver = function() {} |
2083 | Abstract.TimedObserver.prototype = { | |
2084 | initialize: function(element, frequency, callback) { | |
2085 | this.frequency = frequency; | |
2086 | this.element = $(element); | |
2087 | this.callback = callback; | |
2088 | ||
2089 | this.lastValue = this.getValue(); | |
2090 | this.registerCallback(); | |
2091 | }, | |
2092 | ||
2093 | registerCallback: function() { | |
2094 | setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); | |
2095 | }, | |
2096 | ||
2097 | onTimerEvent: function() { | |
2098 | var value = this.getValue(); | |
5c656a9d AD |
2099 | var changed = ('string' == typeof this.lastValue && 'string' == typeof value |
2100 | ? this.lastValue != value : String(this.lastValue) != String(value)); | |
2101 | if (changed) { | |
14f69488 AD |
2102 | this.callback(this.element, value); |
2103 | this.lastValue = value; | |
2104 | } | |
2105 | } | |
2106 | } | |
2107 | ||
2108 | Form.Element.Observer = Class.create(); | |
2109 | Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { | |
2110 | getValue: function() { | |
2111 | return Form.Element.getValue(this.element); | |
2112 | } | |
2113 | }); | |
2114 | ||
2115 | Form.Observer = Class.create(); | |
2116 | Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { | |
2117 | getValue: function() { | |
2118 | return Form.serialize(this.element); | |
2119 | } | |
2120 | }); | |
2121 | ||
2122 | /*--------------------------------------------------------------------------*/ | |
2123 | ||
2124 | Abstract.EventObserver = function() {} | |
2125 | Abstract.EventObserver.prototype = { | |
2126 | initialize: function(element, callback) { | |
2127 | this.element = $(element); | |
2128 | this.callback = callback; | |
2129 | ||
2130 | this.lastValue = this.getValue(); | |
2131 | if (this.element.tagName.toLowerCase() == 'form') | |
2132 | this.registerFormCallbacks(); | |
2133 | else | |
2134 | this.registerCallback(this.element); | |
2135 | }, | |
2136 | ||
2137 | onElementEvent: function() { | |
2138 | var value = this.getValue(); | |
2139 | if (this.lastValue != value) { | |
2140 | this.callback(this.element, value); | |
2141 | this.lastValue = value; | |
2142 | } | |
2143 | }, | |
2144 | ||
2145 | registerFormCallbacks: function() { | |
5c656a9d | 2146 | Form.getElements(this.element).each(this.registerCallback.bind(this)); |
14f69488 AD |
2147 | }, |
2148 | ||
2149 | registerCallback: function(element) { | |
2150 | if (element.type) { | |
2151 | switch (element.type.toLowerCase()) { | |
2152 | case 'checkbox': | |
2153 | case 'radio': | |
2154 | Event.observe(element, 'click', this.onElementEvent.bind(this)); | |
2155 | break; | |
5c656a9d | 2156 | default: |
14f69488 AD |
2157 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
2158 | break; | |
2159 | } | |
2160 | } | |
2161 | } | |
2162 | } | |
2163 | ||
2164 | Form.Element.EventObserver = Class.create(); | |
2165 | Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { | |
2166 | getValue: function() { | |
2167 | return Form.Element.getValue(this.element); | |
2168 | } | |
2169 | }); | |
2170 | ||
2171 | Form.EventObserver = Class.create(); | |
2172 | Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { | |
2173 | getValue: function() { | |
2174 | return Form.serialize(this.element); | |
2175 | } | |
2176 | }); | |
2177 | if (!window.Event) { | |
2178 | var Event = new Object(); | |
2179 | } | |
2180 | ||
2181 | Object.extend(Event, { | |
2182 | KEY_BACKSPACE: 8, | |
2183 | KEY_TAB: 9, | |
2184 | KEY_RETURN: 13, | |
2185 | KEY_ESC: 27, | |
2186 | KEY_LEFT: 37, | |
2187 | KEY_UP: 38, | |
2188 | KEY_RIGHT: 39, | |
2189 | KEY_DOWN: 40, | |
2190 | KEY_DELETE: 46, | |
5c656a9d AD |
2191 | KEY_HOME: 36, |
2192 | KEY_END: 35, | |
2193 | KEY_PAGEUP: 33, | |
2194 | KEY_PAGEDOWN: 34, | |
14f69488 AD |
2195 | |
2196 | element: function(event) { | |
2197 | return event.target || event.srcElement; | |
2198 | }, | |
2199 | ||
2200 | isLeftClick: function(event) { | |
2201 | return (((event.which) && (event.which == 1)) || | |
2202 | ((event.button) && (event.button == 1))); | |
2203 | }, | |
2204 | ||
2205 | pointerX: function(event) { | |
2206 | return event.pageX || (event.clientX + | |
2207 | (document.documentElement.scrollLeft || document.body.scrollLeft)); | |
2208 | }, | |
2209 | ||
2210 | pointerY: function(event) { | |
2211 | return event.pageY || (event.clientY + | |
2212 | (document.documentElement.scrollTop || document.body.scrollTop)); | |
2213 | }, | |
2214 | ||
2215 | stop: function(event) { | |
2216 | if (event.preventDefault) { | |
2217 | event.preventDefault(); | |
2218 | event.stopPropagation(); | |
2219 | } else { | |
2220 | event.returnValue = false; | |
2221 | event.cancelBubble = true; | |
2222 | } | |
2223 | }, | |
2224 | ||
2225 | // find the first node with the given tagName, starting from the | |
2226 | // node the event was triggered on; traverses the DOM upwards | |
2227 | findElement: function(event, tagName) { | |
2228 | var element = Event.element(event); | |
2229 | while (element.parentNode && (!element.tagName || | |
2230 | (element.tagName.toUpperCase() != tagName.toUpperCase()))) | |
2231 | element = element.parentNode; | |
2232 | return element; | |
2233 | }, | |
2234 | ||
2235 | observers: false, | |
2236 | ||
2237 | _observeAndCache: function(element, name, observer, useCapture) { | |
2238 | if (!this.observers) this.observers = []; | |
2239 | if (element.addEventListener) { | |
2240 | this.observers.push([element, name, observer, useCapture]); | |
2241 | element.addEventListener(name, observer, useCapture); | |
2242 | } else if (element.attachEvent) { | |
2243 | this.observers.push([element, name, observer, useCapture]); | |
2244 | element.attachEvent('on' + name, observer); | |
2245 | } | |
2246 | }, | |
2247 | ||
2248 | unloadCache: function() { | |
2249 | if (!Event.observers) return; | |
5c656a9d | 2250 | for (var i = 0, length = Event.observers.length; i < length; i++) { |
14f69488 AD |
2251 | Event.stopObserving.apply(this, Event.observers[i]); |
2252 | Event.observers[i][0] = null; | |
2253 | } | |
2254 | Event.observers = false; | |
2255 | }, | |
2256 | ||
2257 | observe: function(element, name, observer, useCapture) { | |
5c656a9d | 2258 | element = $(element); |
14f69488 AD |
2259 | useCapture = useCapture || false; |
2260 | ||
2261 | if (name == 'keypress' && | |
2262 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) | |
2263 | || element.attachEvent)) | |
2264 | name = 'keydown'; | |
2265 | ||
5c656a9d | 2266 | Event._observeAndCache(element, name, observer, useCapture); |
14f69488 AD |
2267 | }, |
2268 | ||
2269 | stopObserving: function(element, name, observer, useCapture) { | |
5c656a9d | 2270 | element = $(element); |
14f69488 AD |
2271 | useCapture = useCapture || false; |
2272 | ||
2273 | if (name == 'keypress' && | |
2274 | (navigator.appVersion.match(/Konqueror|Safari|KHTML/) | |
2275 | || element.detachEvent)) | |
2276 | name = 'keydown'; | |
2277 | ||
2278 | if (element.removeEventListener) { | |
2279 | element.removeEventListener(name, observer, useCapture); | |
2280 | } else if (element.detachEvent) { | |
5c656a9d AD |
2281 | try { |
2282 | element.detachEvent('on' + name, observer); | |
2283 | } catch (e) {} | |
14f69488 AD |
2284 | } |
2285 | } | |
2286 | }); | |
2287 | ||
2288 | /* prevent memory leaks in IE */ | |
5c656a9d AD |
2289 | if (navigator.appVersion.match(/\bMSIE\b/)) |
2290 | Event.observe(window, 'unload', Event.unloadCache, false); | |
14f69488 AD |
2291 | var Position = { |
2292 | // set to true if needed, warning: firefox performance problems | |
2293 | // NOT neeeded for page scrolling, only if draggable contained in | |
2294 | // scrollable elements | |
2295 | includeScrollOffsets: false, | |
2296 | ||
2297 | // must be called before calling withinIncludingScrolloffset, every time the | |
2298 | // page is scrolled | |
2299 | prepare: function() { | |
2300 | this.deltaX = window.pageXOffset | |
2301 | || document.documentElement.scrollLeft | |
2302 | || document.body.scrollLeft | |
2303 | || 0; | |
2304 | this.deltaY = window.pageYOffset | |
2305 | || document.documentElement.scrollTop | |
2306 | || document.body.scrollTop | |
2307 | || 0; | |
2308 | }, | |
2309 | ||
2310 | realOffset: function(element) { | |
2311 | var valueT = 0, valueL = 0; | |
2312 | do { | |
2313 | valueT += element.scrollTop || 0; | |
2314 | valueL += element.scrollLeft || 0; | |
2315 | element = element.parentNode; | |
2316 | } while (element); | |
2317 | return [valueL, valueT]; | |
2318 | }, | |
2319 | ||
2320 | cumulativeOffset: function(element) { | |
2321 | var valueT = 0, valueL = 0; | |
2322 | do { | |
2323 | valueT += element.offsetTop || 0; | |
2324 | valueL += element.offsetLeft || 0; | |
2325 | element = element.offsetParent; | |
2326 | } while (element); | |
2327 | return [valueL, valueT]; | |
2328 | }, | |
2329 | ||
2330 | positionedOffset: function(element) { | |
2331 | var valueT = 0, valueL = 0; | |
2332 | do { | |
2333 | valueT += element.offsetTop || 0; | |
2334 | valueL += element.offsetLeft || 0; | |
2335 | element = element.offsetParent; | |
2336 | if (element) { | |
5c656a9d AD |
2337 | if(element.tagName=='BODY') break; |
2338 | var p = Element.getStyle(element, 'position'); | |
14f69488 AD |
2339 | if (p == 'relative' || p == 'absolute') break; |
2340 | } | |
2341 | } while (element); | |
2342 | return [valueL, valueT]; | |
2343 | }, | |
2344 | ||
2345 | offsetParent: function(element) { | |
2346 | if (element.offsetParent) return element.offsetParent; | |
2347 | if (element == document.body) return element; | |
2348 | ||
2349 | while ((element = element.parentNode) && element != document.body) | |
2350 | if (Element.getStyle(element, 'position') != 'static') | |
2351 | return element; | |
2352 | ||
2353 | return document.body; | |
2354 | }, | |
2355 | ||
2356 | // caches x/y coordinate pair to use with overlap | |
2357 | within: function(element, x, y) { | |
2358 | if (this.includeScrollOffsets) | |
2359 | return this.withinIncludingScrolloffsets(element, x, y); | |
2360 | this.xcomp = x; | |
2361 | this.ycomp = y; | |
2362 | this.offset = this.cumulativeOffset(element); | |
2363 | ||
2364 | return (y >= this.offset[1] && | |
2365 | y < this.offset[1] + element.offsetHeight && | |
2366 | x >= this.offset[0] && | |
2367 | x < this.offset[0] + element.offsetWidth); | |
2368 | }, | |
2369 | ||
2370 | withinIncludingScrolloffsets: function(element, x, y) { | |
2371 | var offsetcache = this.realOffset(element); | |
2372 | ||
2373 | this.xcomp = x + offsetcache[0] - this.deltaX; | |
2374 | this.ycomp = y + offsetcache[1] - this.deltaY; | |
2375 | this.offset = this.cumulativeOffset(element); | |
2376 | ||
2377 | return (this.ycomp >= this.offset[1] && | |
2378 | this.ycomp < this.offset[1] + element.offsetHeight && | |
2379 | this.xcomp >= this.offset[0] && | |
2380 | this.xcomp < this.offset[0] + element.offsetWidth); | |
2381 | }, | |
2382 | ||
2383 | // within must be called directly before | |
2384 | overlap: function(mode, element) { | |
2385 | if (!mode) return 0; | |
2386 | if (mode == 'vertical') | |
2387 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / | |
2388 | element.offsetHeight; | |
2389 | if (mode == 'horizontal') | |
2390 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / | |
2391 | element.offsetWidth; | |
2392 | }, | |
2393 | ||
14f69488 AD |
2394 | page: function(forElement) { |
2395 | var valueT = 0, valueL = 0; | |
2396 | ||
2397 | var element = forElement; | |
2398 | do { | |
2399 | valueT += element.offsetTop || 0; | |
2400 | valueL += element.offsetLeft || 0; | |
2401 | ||
2402 | // Safari fix | |
2403 | if (element.offsetParent==document.body) | |
2404 | if (Element.getStyle(element,'position')=='absolute') break; | |
2405 | ||
2406 | } while (element = element.offsetParent); | |
2407 | ||
2408 | element = forElement; | |
2409 | do { | |
5c656a9d AD |
2410 | if (!window.opera || element.tagName=='BODY') { |
2411 | valueT -= element.scrollTop || 0; | |
2412 | valueL -= element.scrollLeft || 0; | |
2413 | } | |
14f69488 AD |
2414 | } while (element = element.parentNode); |
2415 | ||
2416 | return [valueL, valueT]; | |
2417 | }, | |
2418 | ||
2419 | clone: function(source, target) { | |
2420 | var options = Object.extend({ | |
2421 | setLeft: true, | |
2422 | setTop: true, | |
2423 | setWidth: true, | |
2424 | setHeight: true, | |
2425 | offsetTop: 0, | |
2426 | offsetLeft: 0 | |
2427 | }, arguments[2] || {}) | |
2428 | ||
2429 | // find page position of source | |
2430 | source = $(source); | |
2431 | var p = Position.page(source); | |
2432 | ||
2433 | // find coordinate system to use | |
2434 | target = $(target); | |
2435 | var delta = [0, 0]; | |
2436 | var parent = null; | |
2437 | // delta [0,0] will do fine with position: fixed elements, | |
2438 | // position:absolute needs offsetParent deltas | |
2439 | if (Element.getStyle(target,'position') == 'absolute') { | |
2440 | parent = Position.offsetParent(target); | |
2441 | delta = Position.page(parent); | |
2442 | } | |
2443 | ||
2444 | // correct by body offsets (fixes Safari) | |
2445 | if (parent == document.body) { | |
2446 | delta[0] -= document.body.offsetLeft; | |
2447 | delta[1] -= document.body.offsetTop; | |
2448 | } | |
2449 | ||
2450 | // set position | |
2451 | if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; | |
2452 | if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; | |
2453 | if(options.setWidth) target.style.width = source.offsetWidth + 'px'; | |
2454 | if(options.setHeight) target.style.height = source.offsetHeight + 'px'; | |
2455 | }, | |
2456 | ||
2457 | absolutize: function(element) { | |
2458 | element = $(element); | |
2459 | if (element.style.position == 'absolute') return; | |
2460 | Position.prepare(); | |
2461 | ||
2462 | var offsets = Position.positionedOffset(element); | |
2463 | var top = offsets[1]; | |
2464 | var left = offsets[0]; | |
2465 | var width = element.clientWidth; | |
2466 | var height = element.clientHeight; | |
2467 | ||
2468 | element._originalLeft = left - parseFloat(element.style.left || 0); | |
2469 | element._originalTop = top - parseFloat(element.style.top || 0); | |
2470 | element._originalWidth = element.style.width; | |
2471 | element._originalHeight = element.style.height; | |
2472 | ||
2473 | element.style.position = 'absolute'; | |
5c656a9d AD |
2474 | element.style.top = top + 'px'; |
2475 | element.style.left = left + 'px'; | |
2476 | element.style.width = width + 'px'; | |
2477 | element.style.height = height + 'px'; | |
14f69488 AD |
2478 | }, |
2479 | ||
2480 | relativize: function(element) { | |
2481 | element = $(element); | |
2482 | if (element.style.position == 'relative') return; | |
2483 | Position.prepare(); | |
2484 | ||
2485 | element.style.position = 'relative'; | |
2486 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); | |
2487 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); | |
2488 | ||
2489 | element.style.top = top + 'px'; | |
2490 | element.style.left = left + 'px'; | |
2491 | element.style.height = element._originalHeight; | |
2492 | element.style.width = element._originalWidth; | |
2493 | } | |
2494 | } | |
2495 | ||
2496 | // Safari returns margins on body which is incorrect if the child is absolutely | |
2497 | // positioned. For performance reasons, redefine Position.cumulativeOffset for | |
2498 | // KHTML/WebKit only. | |
2499 | if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) { | |
2500 | Position.cumulativeOffset = function(element) { | |
2501 | var valueT = 0, valueL = 0; | |
2502 | do { | |
2503 | valueT += element.offsetTop || 0; | |
2504 | valueL += element.offsetLeft || 0; | |
2505 | if (element.offsetParent == document.body) | |
2506 | if (Element.getStyle(element, 'position') == 'absolute') break; | |
2507 | ||
2508 | element = element.offsetParent; | |
2509 | } while (element); | |
2510 | ||
2511 | return [valueL, valueT]; | |
2512 | } | |
5c656a9d AD |
2513 | } |
2514 | ||
2515 | Element.addMethods(); |