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The Git repository is here.
- Revision:
- 390
- Log:
Initial import of Canvass, a donations-based poll application.
- Author:
- rool
- Date:
- Mon Mar 21 14:58:04 +0000 2011
- Size:
- 129738 Bytes
1 | /* Prototype JavaScript framework, version 1.6.0.3 |
2 | * (c) 2005-2008 Sam Stephenson |
3 | * |
4 | * Prototype is freely distributable under the terms of an MIT-style license. |
5 | * For details, see the Prototype web site: http://www.prototypejs.org/ |
6 | * |
7 | *--------------------------------------------------------------------------*/ |
8 | |
9 | var Prototype = { |
10 | Version: '1.6.0.3', |
11 | |
12 | Browser: { |
13 | IE: !!(window.attachEvent && |
14 | navigator.userAgent.indexOf('Opera') === -1), |
15 | Opera: navigator.userAgent.indexOf('Opera') > -1, |
16 | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, |
17 | Gecko: navigator.userAgent.indexOf('Gecko') > -1 && |
18 | navigator.userAgent.indexOf('KHTML') === -1, |
19 | MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/) |
20 | }, |
21 | |
22 | BrowserFeatures: { |
23 | XPath: !!document.evaluate, |
24 | SelectorsAPI: !!document.querySelector, |
25 | ElementExtensions: !!window.HTMLElement, |
26 | SpecificElementExtensions: |
27 | document.createElement('div')['__proto__'] && |
28 | document.createElement('div')['__proto__'] !== |
29 | document.createElement('form')['__proto__'] |
30 | }, |
31 | |
32 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
33 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, |
34 | |
35 | emptyFunction: function() { }, |
36 | K: function(x) { return x } |
37 | }; |
38 | |
39 | if (Prototype.Browser.MobileSafari) |
40 | Prototype.BrowserFeatures.SpecificElementExtensions = false; |
41 | |
42 | |
43 | /* Based on Alex Arnell's inheritance implementation. */ |
44 | var Class = { |
45 | create: function() { |
46 | var parent = null, properties = $A(arguments); |
47 | if (Object.isFunction(properties[0])) |
48 | parent = properties.shift(); |
49 | |
50 | function klass() { |
51 | this.initialize.apply(this, arguments); |
52 | } |
53 | |
54 | Object.extend(klass, Class.Methods); |
55 | klass.superclass = parent; |
56 | klass.subclasses = []; |
57 | |
58 | if (parent) { |
59 | var subclass = function() { }; |
60 | subclass.prototype = parent.prototype; |
61 | klass.prototype = new subclass; |
62 | parent.subclasses.push(klass); |
63 | } |
64 | |
65 | for (var i = 0; i < properties.length; i++) |
66 | klass.addMethods(properties[i]); |
67 | |
68 | if (!klass.prototype.initialize) |
69 | klass.prototype.initialize = Prototype.emptyFunction; |
70 | |
71 | klass.prototype.constructor = klass; |
72 | |
73 | return klass; |
74 | } |
75 | }; |
76 | |
77 | Class.Methods = { |
78 | addMethods: function(source) { |
79 | var ancestor = this.superclass && this.superclass.prototype; |
80 | var properties = Object.keys(source); |
81 | |
82 | if (!Object.keys({ toString: true }).length) |
83 | properties.push("toString", "valueOf"); |
84 | |
85 | for (var i = 0, length = properties.length; i < length; i++) { |
86 | var property = properties[i], value = source[property]; |
87 | if (ancestor && Object.isFunction(value) && |
88 | value.argumentNames().first() == "$super") { |
89 | var method = value; |
90 | value = (function(m) { |
91 | return function() { return ancestor[m].apply(this, arguments) }; |
92 | })(property).wrap(method); |
93 | |
94 | value.valueOf = method.valueOf.bind(method); |
95 | value.toString = method.toString.bind(method); |
96 | } |
97 | this.prototype[property] = value; |
98 | } |
99 | |
100 | return this; |
101 | } |
102 | }; |
103 | |
104 | var Abstract = { }; |
105 | |
106 | Object.extend = function(destination, source) { |
107 | for (var property in source) |
108 | destination[property] = source[property]; |
109 | return destination; |
110 | }; |
111 | |
112 | Object.extend(Object, { |
113 | inspect: function(object) { |
114 | try { |
115 | if (Object.isUndefined(object)) return 'undefined'; |
116 | if (object === null) return 'null'; |
117 | return object.inspect ? object.inspect() : String(object); |
118 | } catch (e) { |
119 | if (e instanceof RangeError) return '...'; |
120 | throw e; |
121 | } |
122 | }, |
123 | |
124 | toJSON: function(object) { |
125 | var type = typeof object; |
126 | switch (type) { |
127 | case 'undefined': |
128 | case 'function': |
129 | case 'unknown': return; |
130 | case 'boolean': return object.toString(); |
131 | } |
132 | |
133 | if (object === null) return 'null'; |
134 | if (object.toJSON) return object.toJSON(); |
135 | if (Object.isElement(object)) return; |
136 | |
137 | var results = []; |
138 | for (var property in object) { |
139 | var value = Object.toJSON(object[property]); |
140 | if (!Object.isUndefined(value)) |
141 | results.push(property.toJSON() + ': ' + value); |
142 | } |
143 | |
144 | return '{' + results.join(', ') + '}'; |
145 | }, |
146 | |
147 | toQueryString: function(object) { |
148 | return $H(object).toQueryString(); |
149 | }, |
150 | |
151 | toHTML: function(object) { |
152 | return object && object.toHTML ? object.toHTML() : String.interpret(object); |
153 | }, |
154 | |
155 | keys: function(object) { |
156 | var keys = []; |
157 | for (var property in object) |
158 | keys.push(property); |
159 | return keys; |
160 | }, |
161 | |
162 | values: function(object) { |
163 | var values = []; |
164 | for (var property in object) |
165 | values.push(object[property]); |
166 | return values; |
167 | }, |
168 | |
169 | clone: function(object) { |
170 | return Object.extend({ }, object); |
171 | }, |
172 | |
173 | isElement: function(object) { |
174 | return !!(object && object.nodeType == 1); |
175 | }, |
176 | |
177 | isArray: function(object) { |
178 | return object != null && typeof object == "object" && |
179 | 'splice' in object && 'join' in object; |
180 | }, |
181 | |
182 | isHash: function(object) { |
183 | return object instanceof Hash; |
184 | }, |
185 | |
186 | isFunction: function(object) { |
187 | return typeof object == "function"; |
188 | }, |
189 | |
190 | isString: function(object) { |
191 | return typeof object == "string"; |
192 | }, |
193 | |
194 | isNumber: function(object) { |
195 | return typeof object == "number"; |
196 | }, |
197 | |
198 | isUndefined: function(object) { |
199 | return typeof object == "undefined"; |
200 | } |
201 | }); |
202 | |
203 | Object.extend(Function.prototype, { |
204 | argumentNames: function() { |
205 | var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1] |
206 | .replace(/\s+/g, '').split(','); |
207 | return names.length == 1 && !names[0] ? [] : names; |
208 | }, |
209 | |
210 | bind: function() { |
211 | if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; |
212 | var __method = this, args = $A(arguments), object = args.shift(); |
213 | return function() { |
214 | return __method.apply(object, args.concat($A(arguments))); |
215 | } |
216 | }, |
217 | |
218 | bindAsEventListener: function() { |
219 | var __method = this, args = $A(arguments), object = args.shift(); |
220 | return function(event) { |
221 | return __method.apply(object, [event || window.event].concat(args)); |
222 | } |
223 | }, |
224 | |
225 | curry: function() { |
226 | if (!arguments.length) return this; |
227 | var __method = this, args = $A(arguments); |
228 | return function() { |
229 | return __method.apply(this, args.concat($A(arguments))); |
230 | } |
231 | }, |
232 | |
233 | delay: function() { |
234 | var __method = this, args = $A(arguments), timeout = args.shift() * 1000; |
235 | return window.setTimeout(function() { |
236 | return __method.apply(__method, args); |
237 | }, timeout); |
238 | }, |
239 | |
240 | defer: function() { |
241 | var args = [0.01].concat($A(arguments)); |
242 | return this.delay.apply(this, args); |
243 | }, |
244 | |
245 | wrap: function(wrapper) { |
246 | var __method = this; |
247 | return function() { |
248 | return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); |
249 | } |
250 | }, |
251 | |
252 | methodize: function() { |
253 | if (this._methodized) return this._methodized; |
254 | var __method = this; |
255 | return this._methodized = function() { |
256 | return __method.apply(null, [this].concat($A(arguments))); |
257 | }; |
258 | } |
259 | }); |
260 | |
261 | Date.prototype.toJSON = function() { |
262 | return '"' + this.getUTCFullYear() + '-' + |
263 | (this.getUTCMonth() + 1).toPaddedString(2) + '-' + |
264 | this.getUTCDate().toPaddedString(2) + 'T' + |
265 | this.getUTCHours().toPaddedString(2) + ':' + |
266 | this.getUTCMinutes().toPaddedString(2) + ':' + |
267 | this.getUTCSeconds().toPaddedString(2) + 'Z"'; |
268 | }; |
269 | |
270 | var Try = { |
271 | these: function() { |
272 | var returnValue; |
273 | |
274 | for (var i = 0, length = arguments.length; i < length; i++) { |
275 | var lambda = arguments[i]; |
276 | try { |
277 | returnValue = lambda(); |
278 | break; |
279 | } catch (e) { } |
280 | } |
281 | |
282 | return returnValue; |
283 | } |
284 | }; |
285 | |
286 | RegExp.prototype.match = RegExp.prototype.test; |
287 | |
288 | RegExp.escape = function(str) { |
289 | return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); |
290 | }; |
291 | |
292 | /*--------------------------------------------------------------------------*/ |
293 | |
294 | var PeriodicalExecuter = Class.create({ |
295 | initialize: function(callback, frequency) { |
296 | this.callback = callback; |
297 | this.frequency = frequency; |
298 | this.currentlyExecuting = false; |
299 | |
300 | this.registerCallback(); |
301 | }, |
302 | |
303 | registerCallback: function() { |
304 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
305 | }, |
306 | |
307 | execute: function() { |
308 | this.callback(this); |
309 | }, |
310 | |
311 | stop: function() { |
312 | if (!this.timer) return; |
313 | clearInterval(this.timer); |
314 | this.timer = null; |
315 | }, |
316 | |
317 | onTimerEvent: function() { |
318 | if (!this.currentlyExecuting) { |
319 | try { |
320 | this.currentlyExecuting = true; |
321 | this.execute(); |
322 | } finally { |
323 | this.currentlyExecuting = false; |
324 | } |
325 | } |
326 | } |
327 | }); |
328 | Object.extend(String, { |
329 | interpret: function(value) { |
330 | return value == null ? '' : String(value); |
331 | }, |
332 | specialChar: { |
333 | '\b': '\\b', |
334 | '\t': '\\t', |
335 | '\n': '\\n', |
336 | '\f': '\\f', |
337 | '\r': '\\r', |
338 | '\\': '\\\\' |
339 | } |
340 | }); |
341 | |
342 | Object.extend(String.prototype, { |
343 | gsub: function(pattern, replacement) { |
344 | var result = '', source = this, match; |
345 | replacement = arguments.callee.prepareReplacement(replacement); |
346 | |
347 | while (source.length > 0) { |
348 | if (match = source.match(pattern)) { |
349 | result += source.slice(0, match.index); |
350 | result += String.interpret(replacement(match)); |
351 | source = source.slice(match.index + match[0].length); |
352 | } else { |
353 | result += source, source = ''; |
354 | } |
355 | } |
356 | return result; |
357 | }, |
358 | |
359 | sub: function(pattern, replacement, count) { |
360 | replacement = this.gsub.prepareReplacement(replacement); |
361 | count = Object.isUndefined(count) ? 1 : count; |
362 | |
363 | return this.gsub(pattern, function(match) { |
364 | if (--count < 0) return match[0]; |
365 | return replacement(match); |
366 | }); |
367 | }, |
368 | |
369 | scan: function(pattern, iterator) { |
370 | this.gsub(pattern, iterator); |
371 | return String(this); |
372 | }, |
373 | |
374 | truncate: function(length, truncation) { |
375 | length = length || 30; |
376 | truncation = Object.isUndefined(truncation) ? '...' : truncation; |
377 | return this.length > length ? |
378 | this.slice(0, length - truncation.length) + truncation : String(this); |
379 | }, |
380 | |
381 | strip: function() { |
382 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
383 | }, |
384 | |
385 | stripTags: function() { |
386 | return this.replace(/<\/?[^>]+>/gi, ''); |
387 | }, |
388 | |
389 | stripScripts: function() { |
390 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
391 | }, |
392 | |
393 | extractScripts: function() { |
394 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
395 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
396 | return (this.match(matchAll) || []).map(function(scriptTag) { |
397 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
398 | }); |
399 | }, |
400 | |
401 | evalScripts: function() { |
402 | return this.extractScripts().map(function(script) { return eval(script) }); |
403 | }, |
404 | |
405 | escapeHTML: function() { |
406 | var self = arguments.callee; |
407 | self.text.data = this; |
408 | return self.div.innerHTML; |
409 | }, |
410 | |
411 | unescapeHTML: function() { |
412 | var div = new Element('div'); |
413 | div.innerHTML = this.stripTags(); |
414 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
415 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
416 | div.childNodes[0].nodeValue) : ''; |
417 | }, |
418 | |
419 | toQueryParams: function(separator) { |
420 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
421 | if (!match) return { }; |
422 | |
423 | return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
424 | if ((pair = pair.split('='))[0]) { |
425 | var key = decodeURIComponent(pair.shift()); |
426 | var value = pair.length > 1 ? pair.join('=') : pair[0]; |
427 | if (value != undefined) value = decodeURIComponent(value); |
428 | |
429 | if (key in hash) { |
430 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; |
431 | hash[key].push(value); |
432 | } |
433 | else hash[key] = value; |
434 | } |
435 | return hash; |
436 | }); |
437 | }, |
438 | |
439 | toArray: function() { |
440 | return this.split(''); |
441 | }, |
442 | |
443 | succ: function() { |
444 | return this.slice(0, this.length - 1) + |
445 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
446 | }, |
447 | |
448 | times: function(count) { |
449 | return count < 1 ? '' : new Array(count + 1).join(this); |
450 | }, |
451 | |
452 | camelize: function() { |
453 | var parts = this.split('-'), len = parts.length; |
454 | if (len == 1) return parts[0]; |
455 | |
456 | var camelized = this.charAt(0) == '-' |
457 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
458 | : parts[0]; |
459 | |
460 | for (var i = 1; i < len; i++) |
461 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
462 | |
463 | return camelized; |
464 | }, |
465 | |
466 | capitalize: function() { |
467 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
468 | }, |
469 | |
470 | underscore: function() { |
471 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
472 | }, |
473 | |
474 | dasherize: function() { |
475 | return this.gsub(/_/,'-'); |
476 | }, |
477 | |
478 | inspect: function(useDoubleQuotes) { |
479 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
480 | var character = String.specialChar[match[0]]; |
481 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
482 | }); |
483 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
484 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
485 | }, |
486 | |
487 | toJSON: function() { |
488 | return this.inspect(true); |
489 | }, |
490 | |
491 | unfilterJSON: function(filter) { |
492 | return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
493 | }, |
494 | |
495 | isJSON: function() { |
496 | var str = this; |
497 | if (str.blank()) return false; |
498 | str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
499 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
500 | }, |
501 | |
502 | evalJSON: function(sanitize) { |
503 | var json = this.unfilterJSON(); |
504 | try { |
505 | if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
506 | } catch (e) { } |
507 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
508 | }, |
509 | |
510 | include: function(pattern) { |
511 | return this.indexOf(pattern) > -1; |
512 | }, |
513 | |
514 | startsWith: function(pattern) { |
515 | return this.indexOf(pattern) === 0; |
516 | }, |
517 | |
518 | endsWith: function(pattern) { |
519 | var d = this.length - pattern.length; |
520 | return d >= 0 && this.lastIndexOf(pattern) === d; |
521 | }, |
522 | |
523 | empty: function() { |
524 | return this == ''; |
525 | }, |
526 | |
527 | blank: function() { |
528 | return /^\s*$/.test(this); |
529 | }, |
530 | |
531 | interpolate: function(object, pattern) { |
532 | return new Template(this, pattern).evaluate(object); |
533 | } |
534 | }); |
535 | |
536 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
537 | escapeHTML: function() { |
538 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
539 | }, |
540 | unescapeHTML: function() { |
541 | return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
542 | } |
543 | }); |
544 | |
545 | String.prototype.gsub.prepareReplacement = function(replacement) { |
546 | if (Object.isFunction(replacement)) return replacement; |
547 | var template = new Template(replacement); |
548 | return function(match) { return template.evaluate(match) }; |
549 | }; |
550 | |
551 | String.prototype.parseQuery = String.prototype.toQueryParams; |
552 | |
553 | Object.extend(String.prototype.escapeHTML, { |
554 | div: document.createElement('div'), |
555 | text: document.createTextNode('') |
556 | }); |
557 | |
558 | String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text); |
559 | |
560 | var Template = Class.create({ |
561 | initialize: function(template, pattern) { |
562 | this.template = template.toString(); |
563 | this.pattern = pattern || Template.Pattern; |
564 | }, |
565 | |
566 | evaluate: function(object) { |
567 | if (Object.isFunction(object.toTemplateReplacements)) |
568 | object = object.toTemplateReplacements(); |
569 | |
570 | return this.template.gsub(this.pattern, function(match) { |
571 | if (object == null) return ''; |
572 | |
573 | var before = match[1] || ''; |
574 | if (before == '\\') return match[2]; |
575 | |
576 | var ctx = object, expr = match[3]; |
577 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; |
578 | match = pattern.exec(expr); |
579 | if (match == null) return before; |
580 | |
581 | while (match != null) { |
582 | var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; |
583 | ctx = ctx[comp]; |
584 | if (null == ctx || '' == match[3]) break; |
585 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); |
586 | match = pattern.exec(expr); |
587 | } |
588 | |
589 | return before + String.interpret(ctx); |
590 | }); |
591 | } |
592 | }); |
593 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
594 | |
595 | var $break = { }; |
596 | |
597 | var Enumerable = { |
598 | each: function(iterator, context) { |
599 | var index = 0; |
600 | try { |
601 | this._each(function(value) { |
602 | iterator.call(context, value, index++); |
603 | }); |
604 | } catch (e) { |
605 | if (e != $break) throw e; |
606 | } |
607 | return this; |
608 | }, |
609 | |
610 | eachSlice: function(number, iterator, context) { |
611 | var index = -number, slices = [], array = this.toArray(); |
612 | if (number < 1) return array; |
613 | while ((index += number) < array.length) |
614 | slices.push(array.slice(index, index+number)); |
615 | return slices.collect(iterator, context); |
616 | }, |
617 | |
618 | all: function(iterator, context) { |
619 | iterator = iterator || Prototype.K; |
620 | var result = true; |
621 | this.each(function(value, index) { |
622 | result = result && !!iterator.call(context, value, index); |
623 | if (!result) throw $break; |
624 | }); |
625 | return result; |
626 | }, |
627 | |
628 | any: function(iterator, context) { |
629 | iterator = iterator || Prototype.K; |
630 | var result = false; |
631 | this.each(function(value, index) { |
632 | if (result = !!iterator.call(context, value, index)) |
633 | throw $break; |
634 | }); |
635 | return result; |
636 | }, |
637 | |
638 | collect: function(iterator, context) { |
639 | iterator = iterator || Prototype.K; |
640 | var results = []; |
641 | this.each(function(value, index) { |
642 | results.push(iterator.call(context, value, index)); |
643 | }); |
644 | return results; |
645 | }, |
646 | |
647 | detect: function(iterator, context) { |
648 | var result; |
649 | this.each(function(value, index) { |
650 | if (iterator.call(context, value, index)) { |
651 | result = value; |
652 | throw $break; |
653 | } |
654 | }); |
655 | return result; |
656 | }, |
657 | |
658 | findAll: function(iterator, context) { |
659 | var results = []; |
660 | this.each(function(value, index) { |
661 | if (iterator.call(context, value, index)) |
662 | results.push(value); |
663 | }); |
664 | return results; |
665 | }, |
666 | |
667 | grep: function(filter, iterator, context) { |
668 | iterator = iterator || Prototype.K; |
669 | var results = []; |
670 | |
671 | if (Object.isString(filter)) |
672 | filter = new RegExp(filter); |
673 | |
674 | this.each(function(value, index) { |
675 | if (filter.match(value)) |
676 | results.push(iterator.call(context, value, index)); |
677 | }); |
678 | return results; |
679 | }, |
680 | |
681 | include: function(object) { |
682 | if (Object.isFunction(this.indexOf)) |
683 | if (this.indexOf(object) != -1) return true; |
684 | |
685 | var found = false; |
686 | this.each(function(value) { |
687 | if (value == object) { |
688 | found = true; |
689 | throw $break; |
690 | } |
691 | }); |
692 | return found; |
693 | }, |
694 | |
695 | inGroupsOf: function(number, fillWith) { |
696 | fillWith = Object.isUndefined(fillWith) ? null : fillWith; |
697 | return this.eachSlice(number, function(slice) { |
698 | while(slice.length < number) slice.push(fillWith); |
699 | return slice; |
700 | }); |
701 | }, |
702 | |
703 | inject: function(memo, iterator, context) { |
704 | this.each(function(value, index) { |
705 | memo = iterator.call(context, memo, value, index); |
706 | }); |
707 | return memo; |
708 | }, |
709 | |
710 | invoke: function(method) { |
711 | var args = $A(arguments).slice(1); |
712 | return this.map(function(value) { |
713 | return value[method].apply(value, args); |
714 | }); |
715 | }, |
716 | |
717 | max: function(iterator, context) { |
718 | iterator = iterator || Prototype.K; |
719 | var result; |
720 | this.each(function(value, index) { |
721 | value = iterator.call(context, value, index); |
722 | if (result == null || value >= result) |
723 | result = value; |
724 | }); |
725 | return result; |
726 | }, |
727 | |
728 | min: function(iterator, context) { |
729 | iterator = iterator || Prototype.K; |
730 | var result; |
731 | this.each(function(value, index) { |
732 | value = iterator.call(context, value, index); |
733 | if (result == null || value < result) |
734 | result = value; |
735 | }); |
736 | return result; |
737 | }, |
738 | |
739 | partition: function(iterator, context) { |
740 | iterator = iterator || Prototype.K; |
741 | var trues = [], falses = []; |
742 | this.each(function(value, index) { |
743 | (iterator.call(context, value, index) ? |
744 | trues : falses).push(value); |
745 | }); |
746 | return [trues, falses]; |
747 | }, |
748 | |
749 | pluck: function(property) { |
750 | var results = []; |
751 | this.each(function(value) { |
752 | results.push(value[property]); |
753 | }); |
754 | return results; |
755 | }, |
756 | |
757 | reject: function(iterator, context) { |
758 | var results = []; |
759 | this.each(function(value, index) { |
760 | if (!iterator.call(context, value, index)) |
761 | results.push(value); |
762 | }); |
763 | return results; |
764 | }, |
765 | |
766 | sortBy: function(iterator, context) { |
767 | return this.map(function(value, index) { |
768 | return { |
769 | value: value, |
770 | criteria: iterator.call(context, value, index) |
771 | }; |
772 | }).sort(function(left, right) { |
773 | var a = left.criteria, b = right.criteria; |
774 | return a < b ? -1 : a > b ? 1 : 0; |
775 | }).pluck('value'); |
776 | }, |
777 | |
778 | toArray: function() { |
779 | return this.map(); |
780 | }, |
781 | |
782 | zip: function() { |
783 | var iterator = Prototype.K, args = $A(arguments); |
784 | if (Object.isFunction(args.last())) |
785 | iterator = args.pop(); |
786 | |
787 | var collections = [this].concat(args).map($A); |
788 | return this.map(function(value, index) { |
789 | return iterator(collections.pluck(index)); |
790 | }); |
791 | }, |
792 | |
793 | size: function() { |
794 | return this.toArray().length; |
795 | }, |
796 | |
797 | inspect: function() { |
798 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
799 | } |
800 | }; |
801 | |
802 | Object.extend(Enumerable, { |
803 | map: Enumerable.collect, |
804 | find: Enumerable.detect, |
805 | select: Enumerable.findAll, |
806 | filter: Enumerable.findAll, |
807 | member: Enumerable.include, |
808 | entries: Enumerable.toArray, |
809 | every: Enumerable.all, |
810 | some: Enumerable.any |
811 | }); |
812 | function $A(iterable) { |
813 | if (!iterable) return []; |
814 | if (iterable.toArray) return iterable.toArray(); |
815 | var length = iterable.length || 0, results = new Array(length); |
816 | while (length--) results[length] = iterable[length]; |
817 | return results; |
818 | } |
819 | |
820 | if (Prototype.Browser.WebKit) { |
821 | $A = function(iterable) { |
822 | if (!iterable) return []; |
823 | // In Safari, only use the `toArray` method if it's not a NodeList. |
824 | // A NodeList is a function, has an function `item` property, and a numeric |
825 | // `length` property. Adapted from Google Doctype. |
826 | if (!(typeof iterable === 'function' && typeof iterable.length === |
827 | 'number' && typeof iterable.item === 'function') && iterable.toArray) |
828 | return iterable.toArray(); |
829 | var length = iterable.length || 0, results = new Array(length); |
830 | while (length--) results[length] = iterable[length]; |
831 | return results; |
832 | }; |
833 | } |
834 | |
835 | Array.from = $A; |
836 | |
837 | Object.extend(Array.prototype, Enumerable); |
838 | |
839 | if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; |
840 | |
841 | Object.extend(Array.prototype, { |
842 | _each: function(iterator) { |
843 | for (var i = 0, length = this.length; i < length; i++) |
844 | iterator(this[i]); |
845 | }, |
846 | |
847 | clear: function() { |
848 | this.length = 0; |
849 | return this; |
850 | }, |
851 | |
852 | first: function() { |
853 | return this[0]; |
854 | }, |
855 | |
856 | last: function() { |
857 | return this[this.length - 1]; |
858 | }, |
859 | |
860 | compact: function() { |
861 | return this.select(function(value) { |
862 | return value != null; |
863 | }); |
864 | }, |
865 | |
866 | flatten: function() { |
867 | return this.inject([], function(array, value) { |
868 | return array.concat(Object.isArray(value) ? |
869 | value.flatten() : [value]); |
870 | }); |
871 | }, |
872 | |
873 | without: function() { |
874 | var values = $A(arguments); |
875 | return this.select(function(value) { |
876 | return !values.include(value); |
877 | }); |
878 | }, |
879 | |
880 | reverse: function(inline) { |
881 | return (inline !== false ? this : this.toArray())._reverse(); |
882 | }, |
883 | |
884 | reduce: function() { |
885 | return this.length > 1 ? this : this[0]; |
886 | }, |
887 | |
888 | uniq: function(sorted) { |
889 | return this.inject([], function(array, value, index) { |
890 | if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
891 | array.push(value); |
892 | return array; |
893 | }); |
894 | }, |
895 | |
896 | intersect: function(array) { |
897 | return this.uniq().findAll(function(item) { |
898 | return array.detect(function(value) { return item === value }); |
899 | }); |
900 | }, |
901 | |
902 | clone: function() { |
903 | return [].concat(this); |
904 | }, |
905 | |
906 | size: function() { |
907 | return this.length; |
908 | }, |
909 | |
910 | inspect: function() { |
911 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
912 | }, |
913 | |
914 | toJSON: function() { |
915 | var results = []; |
916 | this.each(function(object) { |
917 | var value = Object.toJSON(object); |
918 | if (!Object.isUndefined(value)) results.push(value); |
919 | }); |
920 | return '[' + results.join(', ') + ']'; |
921 | } |
922 | }); |
923 | |
924 | // use native browser JS 1.6 implementation if available |
925 | if (Object.isFunction(Array.prototype.forEach)) |
926 | Array.prototype._each = Array.prototype.forEach; |
927 | |
928 | if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { |
929 | i || (i = 0); |
930 | var length = this.length; |
931 | if (i < 0) i = length + i; |
932 | for (; i < length; i++) |
933 | if (this[i] === item) return i; |
934 | return -1; |
935 | }; |
936 | |
937 | if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { |
938 | i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; |
939 | var n = this.slice(0, i).reverse().indexOf(item); |
940 | return (n < 0) ? n : i - n - 1; |
941 | }; |
942 | |
943 | Array.prototype.toArray = Array.prototype.clone; |
944 | |
945 | function $w(string) { |
946 | if (!Object.isString(string)) return []; |
947 | string = string.strip(); |
948 | return string ? string.split(/\s+/) : []; |
949 | } |
950 | |
951 | if (Prototype.Browser.Opera){ |
952 | Array.prototype.concat = function() { |
953 | var array = []; |
954 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
955 | for (var i = 0, length = arguments.length; i < length; i++) { |
956 | if (Object.isArray(arguments[i])) { |
957 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
958 | array.push(arguments[i][j]); |
959 | } else { |
960 | array.push(arguments[i]); |
961 | } |
962 | } |
963 | return array; |
964 | }; |
965 | } |
966 | Object.extend(Number.prototype, { |
967 | toColorPart: function() { |
968 | return this.toPaddedString(2, 16); |
969 | }, |
970 | |
971 | succ: function() { |
972 | return this + 1; |
973 | }, |
974 | |
975 | times: function(iterator, context) { |
976 | $R(0, this, true).each(iterator, context); |
977 | return this; |
978 | }, |
979 | |
980 | toPaddedString: function(length, radix) { |
981 | var string = this.toString(radix || 10); |
982 | return '0'.times(length - string.length) + string; |
983 | }, |
984 | |
985 | toJSON: function() { |
986 | return isFinite(this) ? this.toString() : 'null'; |
987 | } |
988 | }); |
989 | |
990 | $w('abs round ceil floor').each(function(method){ |
991 | Number.prototype[method] = Math[method].methodize(); |
992 | }); |
993 | function $H(object) { |
994 | return new Hash(object); |
995 | }; |
996 | |
997 | var Hash = Class.create(Enumerable, (function() { |
998 | |
999 | function toQueryPair(key, value) { |
1000 | if (Object.isUndefined(value)) return key; |
1001 | return key + '=' + encodeURIComponent(String.interpret(value)); |
1002 | } |
1003 | |
1004 | return { |
1005 | initialize: function(object) { |
1006 | this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); |
1007 | }, |
1008 | |
1009 | _each: function(iterator) { |
1010 | for (var key in this._object) { |
1011 | var value = this._object[key], pair = [key, value]; |
1012 | pair.key = key; |
1013 | pair.value = value; |
1014 | iterator(pair); |
1015 | } |
1016 | }, |
1017 | |
1018 | set: function(key, value) { |
1019 | return this._object[key] = value; |
1020 | }, |
1021 | |
1022 | get: function(key) { |
1023 | // simulating poorly supported hasOwnProperty |
1024 | if (this._object[key] !== Object.prototype[key]) |
1025 | return this._object[key]; |
1026 | }, |
1027 | |
1028 | unset: function(key) { |
1029 | var value = this._object[key]; |
1030 | delete this._object[key]; |
1031 | return value; |
1032 | }, |
1033 | |
1034 | toObject: function() { |
1035 | return Object.clone(this._object); |
1036 | }, |
1037 | |
1038 | keys: function() { |
1039 | return this.pluck('key'); |
1040 | }, |
1041 | |
1042 | values: function() { |
1043 | return this.pluck('value'); |
1044 | }, |
1045 | |
1046 | index: function(value) { |
1047 | var match = this.detect(function(pair) { |
1048 | return pair.value === value; |
1049 | }); |
1050 | return match && match.key; |
1051 | }, |
1052 | |
1053 | merge: function(object) { |
1054 | return this.clone().update(object); |
1055 | }, |
1056 | |
1057 | update: function(object) { |
1058 | return new Hash(object).inject(this, function(result, pair) { |
1059 | result.set(pair.key, pair.value); |
1060 | return result; |
1061 | }); |
1062 | }, |
1063 | |
1064 | toQueryString: function() { |
1065 | return this.inject([], function(results, pair) { |
1066 | var key = encodeURIComponent(pair.key), values = pair.value; |
1067 | |
1068 | if (values && typeof values == 'object') { |
1069 | if (Object.isArray(values)) |
1070 | return results.concat(values.map(toQueryPair.curry(key))); |
1071 | } else results.push(toQueryPair(key, values)); |
1072 | return results; |
1073 | }).join('&'); |
1074 | }, |
1075 | |
1076 | inspect: function() { |
1077 | return '#<Hash:{' + this.map(function(pair) { |
1078 | return pair.map(Object.inspect).join(': '); |
1079 | }).join(', ') + '}>'; |
1080 | }, |
1081 | |
1082 | toJSON: function() { |
1083 | return Object.toJSON(this.toObject()); |
1084 | }, |
1085 | |
1086 | clone: function() { |
1087 | return new Hash(this); |
1088 | } |
1089 | } |
1090 | })()); |
1091 | |
1092 | Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; |
1093 | Hash.from = $H; |
1094 | var ObjectRange = Class.create(Enumerable, { |
1095 | initialize: function(start, end, exclusive) { |
1096 | this.start = start; |
1097 | this.end = end; |
1098 | this.exclusive = exclusive; |
1099 | }, |
1100 | |
1101 | _each: function(iterator) { |
1102 | var value = this.start; |
1103 | while (this.include(value)) { |
1104 | iterator(value); |
1105 | value = value.succ(); |
1106 | } |
1107 | }, |
1108 | |
1109 | include: function(value) { |
1110 | if (value < this.start) |
1111 | return false; |
1112 | if (this.exclusive) |
1113 | return value < this.end; |
1114 | return value <= this.end; |
1115 | } |
1116 | }); |
1117 | |
1118 | var $R = function(start, end, exclusive) { |
1119 | return new ObjectRange(start, end, exclusive); |
1120 | }; |
1121 | |
1122 | var Ajax = { |
1123 | getTransport: function() { |
1124 | return Try.these( |
1125 | function() {return new XMLHttpRequest()}, |
1126 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
1127 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
1128 | ) || false; |
1129 | }, |
1130 | |
1131 | activeRequestCount: 0 |
1132 | }; |
1133 | |
1134 | Ajax.Responders = { |
1135 | responders: [], |
1136 | |
1137 | _each: function(iterator) { |
1138 | this.responders._each(iterator); |
1139 | }, |
1140 | |
1141 | register: function(responder) { |
1142 | if (!this.include(responder)) |
1143 | this.responders.push(responder); |
1144 | }, |
1145 | |
1146 | unregister: function(responder) { |
1147 | this.responders = this.responders.without(responder); |
1148 | }, |
1149 | |
1150 | dispatch: function(callback, request, transport, json) { |
1151 | this.each(function(responder) { |
1152 | if (Object.isFunction(responder[callback])) { |
1153 | try { |
1154 | responder[callback].apply(responder, [request, transport, json]); |
1155 | } catch (e) { } |
1156 | } |
1157 | }); |
1158 | } |
1159 | }; |
1160 | |
1161 | Object.extend(Ajax.Responders, Enumerable); |
1162 | |
1163 | Ajax.Responders.register({ |
1164 | onCreate: function() { Ajax.activeRequestCount++ }, |
1165 | onComplete: function() { Ajax.activeRequestCount-- } |
1166 | }); |
1167 | |
1168 | Ajax.Base = Class.create({ |
1169 | initialize: function(options) { |
1170 | this.options = { |
1171 | method: 'post', |
1172 | asynchronous: true, |
1173 | contentType: 'application/x-www-form-urlencoded', |
1174 | encoding: 'UTF-8', |
1175 | parameters: '', |
1176 | evalJSON: true, |
1177 | evalJS: true |
1178 | }; |
1179 | Object.extend(this.options, options || { }); |
1180 | |
1181 | this.options.method = this.options.method.toLowerCase(); |
1182 | |
1183 | if (Object.isString(this.options.parameters)) |
1184 | this.options.parameters = this.options.parameters.toQueryParams(); |
1185 | else if (Object.isHash(this.options.parameters)) |
1186 | this.options.parameters = this.options.parameters.toObject(); |
1187 | } |
1188 | }); |
1189 | |
1190 | Ajax.Request = Class.create(Ajax.Base, { |
1191 | _complete: false, |
1192 | |
1193 | initialize: function($super, url, options) { |
1194 | $super(options); |
1195 | this.transport = Ajax.getTransport(); |
1196 | this.request(url); |
1197 | }, |
1198 | |
1199 | request: function(url) { |
1200 | this.url = url; |
1201 | this.method = this.options.method; |
1202 | var params = Object.clone(this.options.parameters); |
1203 | |
1204 | if (!['get', 'post'].include(this.method)) { |
1205 | // simulate other verbs over post |
1206 | params['_method'] = this.method; |
1207 | this.method = 'post'; |
1208 | } |
1209 | |
1210 | this.parameters = params; |
1211 | |
1212 | if (params = Object.toQueryString(params)) { |
1213 | // when GET, append parameters to URL |
1214 | if (this.method == 'get') |
1215 | this.url += (this.url.include('?') ? '&' : '?') + params; |
1216 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
1217 | params += '&_='; |
1218 | } |
1219 | |
1220 | try { |
1221 | var response = new Ajax.Response(this); |
1222 | if (this.options.onCreate) this.options.onCreate(response); |
1223 | Ajax.Responders.dispatch('onCreate', this, response); |
1224 | |
1225 | this.transport.open(this.method.toUpperCase(), this.url, |
1226 | this.options.asynchronous); |
1227 | |
1228 | if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); |
1229 | |
1230 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
1231 | this.setRequestHeaders(); |
1232 | |
1233 | this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
1234 | this.transport.send(this.body); |
1235 | |
1236 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
1237 | if (!this.options.asynchronous && this.transport.overrideMimeType) |
1238 | this.onStateChange(); |
1239 | |
1240 | } |
1241 | catch (e) { |
1242 | this.dispatchException(e); |
1243 | } |
1244 | }, |
1245 | |
1246 | onStateChange: function() { |
1247 | var readyState = this.transport.readyState; |
1248 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
1249 | this.respondToReadyState(this.transport.readyState); |
1250 | }, |
1251 | |
1252 | setRequestHeaders: function() { |
1253 | var headers = { |
1254 | 'X-Requested-With': 'XMLHttpRequest', |
1255 | 'X-Prototype-Version': Prototype.Version, |
1256 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
1257 | }; |
1258 | |
1259 | if (this.method == 'post') { |
1260 | headers['Content-type'] = this.options.contentType + |
1261 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
1262 | |
1263 | /* Force "Connection: close" for older Mozilla browsers to work |
1264 | * around a bug where XMLHttpRequest sends an incorrect |
1265 | * Content-length header. See Mozilla Bugzilla #246651. |
1266 | */ |
1267 | if (this.transport.overrideMimeType && |
1268 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
1269 | headers['Connection'] = 'close'; |
1270 | } |
1271 | |
1272 | // user-defined headers |
1273 | if (typeof this.options.requestHeaders == 'object') { |
1274 | var extras = this.options.requestHeaders; |
1275 | |
1276 | if (Object.isFunction(extras.push)) |
1277 | for (var i = 0, length = extras.length; i < length; i += 2) |
1278 | headers[extras[i]] = extras[i+1]; |
1279 | else |
1280 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
1281 | } |
1282 | |
1283 | for (var name in headers) |
1284 | this.transport.setRequestHeader(name, headers[name]); |
1285 | }, |
1286 | |
1287 | success: function() { |
1288 | var status = this.getStatus(); |
1289 | return !status || (status >= 200 && status < 300); |
1290 | }, |
1291 | |
1292 | getStatus: function() { |
1293 | try { |
1294 | return this.transport.status || 0; |
1295 | } catch (e) { return 0 } |
1296 | }, |
1297 | |
1298 | respondToReadyState: function(readyState) { |
1299 | var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); |
1300 | |
1301 | if (state == 'Complete') { |
1302 | try { |
1303 | this._complete = true; |
1304 | (this.options['on' + response.status] |
1305 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
1306 | || Prototype.emptyFunction)(response, response.headerJSON); |
1307 | } catch (e) { |
1308 | this.dispatchException(e); |
1309 | } |
1310 | |
1311 | var contentType = response.getHeader('Content-type'); |
1312 | if (this.options.evalJS == 'force' |
1313 | || (this.options.evalJS && this.isSameOrigin() && contentType |
1314 | && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) |
1315 | this.evalResponse(); |
1316 | } |
1317 | |
1318 | try { |
1319 | (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); |
1320 | Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); |
1321 | } catch (e) { |
1322 | this.dispatchException(e); |
1323 | } |
1324 | |
1325 | if (state == 'Complete') { |
1326 | // avoid memory leak in MSIE: clean up |
1327 | this.transport.onreadystatechange = Prototype.emptyFunction; |
1328 | } |
1329 | }, |
1330 | |
1331 | isSameOrigin: function() { |
1332 | var m = this.url.match(/^\s*https?:\/\/[^\/]*/); |
1333 | return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ |
1334 | protocol: location.protocol, |
1335 | domain: document.domain, |
1336 | port: location.port ? ':' + location.port : '' |
1337 | })); |
1338 | }, |
1339 | |
1340 | getHeader: function(name) { |
1341 | try { |
1342 | return this.transport.getResponseHeader(name) || null; |
1343 | } catch (e) { return null } |
1344 | }, |
1345 | |
1346 | evalResponse: function() { |
1347 | try { |
1348 | return eval((this.transport.responseText || '').unfilterJSON()); |
1349 | } catch (e) { |
1350 | this.dispatchException(e); |
1351 | } |
1352 | }, |
1353 | |
1354 | dispatchException: function(exception) { |
1355 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
1356 | Ajax.Responders.dispatch('onException', this, exception); |
1357 | } |
1358 | }); |
1359 | |
1360 | Ajax.Request.Events = |
1361 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
1362 | |
1363 | Ajax.Response = Class.create({ |
1364 | initialize: function(request){ |
1365 | this.request = request; |
1366 | var transport = this.transport = request.transport, |
1367 | readyState = this.readyState = transport.readyState; |
1368 | |
1369 | if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { |
1370 | this.status = this.getStatus(); |
1371 | this.statusText = this.getStatusText(); |
1372 | this.responseText = String.interpret(transport.responseText); |
1373 | this.headerJSON = this._getHeaderJSON(); |
1374 | } |
1375 | |
1376 | if(readyState == 4) { |
1377 | var xml = transport.responseXML; |
1378 | this.responseXML = Object.isUndefined(xml) ? null : xml; |
1379 | this.responseJSON = this._getResponseJSON(); |
1380 | } |
1381 | }, |
1382 | |
1383 | status: 0, |
1384 | statusText: '', |
1385 | |
1386 | getStatus: Ajax.Request.prototype.getStatus, |
1387 | |
1388 | getStatusText: function() { |
1389 | try { |
1390 | return this.transport.statusText || ''; |
1391 | } catch (e) { return '' } |
1392 | }, |
1393 | |
1394 | getHeader: Ajax.Request.prototype.getHeader, |
1395 | |
1396 | getAllHeaders: function() { |
1397 | try { |
1398 | return this.getAllResponseHeaders(); |
1399 | } catch (e) { return null } |
1400 | }, |
1401 | |
1402 | getResponseHeader: function(name) { |
1403 | return this.transport.getResponseHeader(name); |
1404 | }, |
1405 | |
1406 | getAllResponseHeaders: function() { |
1407 | return this.transport.getAllResponseHeaders(); |
1408 | }, |
1409 | |
1410 | _getHeaderJSON: function() { |
1411 | var json = this.getHeader('X-JSON'); |
1412 | if (!json) return null; |
1413 | json = decodeURIComponent(escape(json)); |
1414 | try { |
1415 | return json.evalJSON(this.request.options.sanitizeJSON || |
1416 | !this.request.isSameOrigin()); |
1417 | } catch (e) { |
1418 | this.request.dispatchException(e); |
1419 | } |
1420 | }, |
1421 | |
1422 | _getResponseJSON: function() { |
1423 | var options = this.request.options; |
1424 | if (!options.evalJSON || (options.evalJSON != 'force' && |
1425 | !(this.getHeader('Content-type') || '').include('application/json')) || |
1426 | this.responseText.blank()) |
1427 | return null; |
1428 | try { |
1429 | return this.responseText.evalJSON(options.sanitizeJSON || |
1430 | !this.request.isSameOrigin()); |
1431 | } catch (e) { |
1432 | this.request.dispatchException(e); |
1433 | } |
1434 | } |
1435 | }); |
1436 | |
1437 | Ajax.Updater = Class.create(Ajax.Request, { |
1438 | initialize: function($super, container, url, options) { |
1439 | this.container = { |
1440 | success: (container.success || container), |
1441 | failure: (container.failure || (container.success ? null : container)) |
1442 | }; |
1443 | |
1444 | options = Object.clone(options); |
1445 | var onComplete = options.onComplete; |
1446 | options.onComplete = (function(response, json) { |
1447 | this.updateContent(response.responseText); |
1448 | if (Object.isFunction(onComplete)) onComplete(response, json); |
1449 | }).bind(this); |
1450 | |
1451 | $super(url, options); |
1452 | }, |
1453 | |
1454 | updateContent: function(responseText) { |
1455 | var receiver = this.container[this.success() ? 'success' : 'failure'], |
1456 | options = this.options; |
1457 | |
1458 | if (!options.evalScripts) responseText = responseText.stripScripts(); |
1459 | |
1460 | if (receiver = $(receiver)) { |
1461 | if (options.insertion) { |
1462 | if (Object.isString(options.insertion)) { |
1463 | var insertion = { }; insertion[options.insertion] = responseText; |
1464 | receiver.insert(insertion); |
1465 | } |
1466 | else options.insertion(receiver, responseText); |
1467 | } |
1468 | else receiver.update(responseText); |
1469 | } |
1470 | } |
1471 | }); |
1472 | |
1473 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
1474 | initialize: function($super, container, url, options) { |
1475 | $super(options); |
1476 | this.onComplete = this.options.onComplete; |
1477 | |
1478 | this.frequency = (this.options.frequency || 2); |
1479 | this.decay = (this.options.decay || 1); |
1480 | |
1481 | this.updater = { }; |
1482 | this.container = container; |
1483 | this.url = url; |
1484 | |
1485 | this.start(); |
1486 | }, |
1487 | |
1488 | start: function() { |
1489 | this.options.onComplete = this.updateComplete.bind(this); |
1490 | this.onTimerEvent(); |
1491 | }, |
1492 | |
1493 | stop: function() { |
1494 | this.updater.options.onComplete = undefined; |
1495 | clearTimeout(this.timer); |
1496 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
1497 | }, |
1498 | |
1499 | updateComplete: function(response) { |
1500 | if (this.options.decay) { |
1501 | this.decay = (response.responseText == this.lastText ? |
1502 | this.decay * this.options.decay : 1); |
1503 | |
1504 | this.lastText = response.responseText; |
1505 | } |
1506 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
1507 | }, |
1508 | |
1509 | onTimerEvent: function() { |
1510 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
1511 | } |
1512 | }); |
1513 | function $(element) { |
1514 | if (arguments.length > 1) { |
1515 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
1516 | elements.push($(arguments[i])); |
1517 | return elements; |
1518 | } |
1519 | if (Object.isString(element)) |
1520 | element = document.getElementById(element); |
1521 | return Element.extend(element); |
1522 | } |
1523 | |
1524 | if (Prototype.BrowserFeatures.XPath) { |
1525 | document._getElementsByXPath = function(expression, parentElement) { |
1526 | var results = []; |
1527 | var query = document.evaluate(expression, $(parentElement) || document, |
1528 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
1529 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
1530 | results.push(Element.extend(query.snapshotItem(i))); |
1531 | return results; |
1532 | }; |
1533 | } |
1534 | |
1535 | /*--------------------------------------------------------------------------*/ |
1536 | |
1537 | if (!window.Node) var Node = { }; |
1538 | |
1539 | if (!Node.ELEMENT_NODE) { |
1540 | // DOM level 2 ECMAScript Language Binding |
1541 | Object.extend(Node, { |
1542 | ELEMENT_NODE: 1, |
1543 | ATTRIBUTE_NODE: 2, |
1544 | TEXT_NODE: 3, |
1545 | CDATA_SECTION_NODE: 4, |
1546 | ENTITY_REFERENCE_NODE: 5, |
1547 | ENTITY_NODE: 6, |
1548 | PROCESSING_INSTRUCTION_NODE: 7, |
1549 | COMMENT_NODE: 8, |
1550 | DOCUMENT_NODE: 9, |
1551 | DOCUMENT_TYPE_NODE: 10, |
1552 | DOCUMENT_FRAGMENT_NODE: 11, |
1553 | NOTATION_NODE: 12 |
1554 | }); |
1555 | } |
1556 | |
1557 | (function() { |
1558 | var element = this.Element; |
1559 | this.Element = function(tagName, attributes) { |
1560 | attributes = attributes || { }; |
1561 | tagName = tagName.toLowerCase(); |
1562 | var cache = Element.cache; |
1563 | if (Prototype.Browser.IE && attributes.name) { |
1564 | tagName = '<' + tagName + ' name="' + attributes.name + '">'; |
1565 | delete attributes.name; |
1566 | return Element.writeAttribute(document.createElement(tagName), attributes); |
1567 | } |
1568 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
1569 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); |
1570 | }; |
1571 | Object.extend(this.Element, element || { }); |
1572 | if (element) this.Element.prototype = element.prototype; |
1573 | }).call(window); |
1574 | |
1575 | Element.cache = { }; |
1576 | |
1577 | Element.Methods = { |
1578 | visible: function(element) { |
1579 | return $(element).style.display != 'none'; |
1580 | }, |
1581 | |
1582 | toggle: function(element) { |
1583 | element = $(element); |
1584 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
1585 | return element; |
1586 | }, |
1587 | |
1588 | hide: function(element) { |
1589 | element = $(element); |
1590 | element.style.display = 'none'; |
1591 | return element; |
1592 | }, |
1593 | |
1594 | show: function(element) { |
1595 | element = $(element); |
1596 | element.style.display = ''; |
1597 | return element; |
1598 | }, |
1599 | |
1600 | remove: function(element) { |
1601 | element = $(element); |
1602 | element.parentNode.removeChild(element); |
1603 | return element; |
1604 | }, |
1605 | |
1606 | update: function(element, content) { |
1607 | element = $(element); |
1608 | if (content && content.toElement) content = content.toElement(); |
1609 | if (Object.isElement(content)) return element.update().insert(content); |
1610 | content = Object.toHTML(content); |
1611 | element.innerHTML = content.stripScripts(); |
1612 | content.evalScripts.bind(content).defer(); |
1613 | return element; |
1614 | }, |
1615 | |
1616 | replace: function(element, content) { |
1617 | element = $(element); |
1618 | if (content && content.toElement) content = content.toElement(); |
1619 | else if (!Object.isElement(content)) { |
1620 | content = Object.toHTML(content); |
1621 | var range = element.ownerDocument.createRange(); |
1622 | range.selectNode(element); |
1623 | content.evalScripts.bind(content).defer(); |
1624 | content = range.createContextualFragment(content.stripScripts()); |
1625 | } |
1626 | element.parentNode.replaceChild(content, element); |
1627 | return element; |
1628 | }, |
1629 | |
1630 | insert: function(element, insertions) { |
1631 | element = $(element); |
1632 | |
1633 | if (Object.isString(insertions) || Object.isNumber(insertions) || |
1634 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
1635 | insertions = {bottom:insertions}; |
1636 | |
1637 | var content, insert, tagName, childNodes; |
1638 | |
1639 | for (var position in insertions) { |
1640 | content = insertions[position]; |
1641 | position = position.toLowerCase(); |
1642 | insert = Element._insertionTranslations[position]; |
1643 | |
1644 | if (content && content.toElement) content = content.toElement(); |
1645 | if (Object.isElement(content)) { |
1646 | insert(element, content); |
1647 | continue; |
1648 | } |
1649 | |
1650 | content = Object.toHTML(content); |
1651 | |
1652 | tagName = ((position == 'before' || position == 'after') |
1653 | ? element.parentNode : element).tagName.toUpperCase(); |
1654 | |
1655 | childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
1656 | |
1657 | if (position == 'top' || position == 'after') childNodes.reverse(); |
1658 | childNodes.each(insert.curry(element)); |
1659 | |
1660 | content.evalScripts.bind(content).defer(); |
1661 | } |
1662 | |
1663 | return element; |
1664 | }, |
1665 | |
1666 | wrap: function(element, wrapper, attributes) { |
1667 | element = $(element); |
1668 | if (Object.isElement(wrapper)) |
1669 | $(wrapper).writeAttribute(attributes || { }); |
1670 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); |
1671 | else wrapper = new Element('div', wrapper); |
1672 | if (element.parentNode) |
1673 | element.parentNode.replaceChild(wrapper, element); |
1674 | wrapper.appendChild(element); |
1675 | return wrapper; |
1676 | }, |
1677 | |
1678 | inspect: function(element) { |
1679 | element = $(element); |
1680 | var result = '<' + element.tagName.toLowerCase(); |
1681 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
1682 | var property = pair.first(), attribute = pair.last(); |
1683 | var value = (element[property] || '').toString(); |
1684 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
1685 | }); |
1686 | return result + '>'; |
1687 | }, |
1688 | |
1689 | recursivelyCollect: function(element, property) { |
1690 | element = $(element); |
1691 | var elements = []; |
1692 | while (element = element[property]) |
1693 | if (element.nodeType == 1) |
1694 | elements.push(Element.extend(element)); |
1695 | return elements; |
1696 | }, |
1697 | |
1698 | ancestors: function(element) { |
1699 | return $(element).recursivelyCollect('parentNode'); |
1700 | }, |
1701 | |
1702 | descendants: function(element) { |
1703 | return $(element).select("*"); |
1704 | }, |
1705 | |
1706 | firstDescendant: function(element) { |
1707 | element = $(element).firstChild; |
1708 | while (element && element.nodeType != 1) element = element.nextSibling; |
1709 | return $(element); |
1710 | }, |
1711 | |
1712 | immediateDescendants: function(element) { |
1713 | if (!(element = $(element).firstChild)) return []; |
1714 | while (element && element.nodeType != 1) element = element.nextSibling; |
1715 | if (element) return [element].concat($(element).nextSiblings()); |
1716 | return []; |
1717 | }, |
1718 | |
1719 | previousSiblings: function(element) { |
1720 | return $(element).recursivelyCollect('previousSibling'); |
1721 | }, |
1722 | |
1723 | nextSiblings: function(element) { |
1724 | return $(element).recursivelyCollect('nextSibling'); |
1725 | }, |
1726 | |
1727 | siblings: function(element) { |
1728 | element = $(element); |
1729 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
1730 | }, |
1731 | |
1732 | match: function(element, selector) { |
1733 | if (Object.isString(selector)) |
1734 | selector = new Selector(selector); |
1735 | return selector.match($(element)); |
1736 | }, |
1737 | |
1738 | up: function(element, expression, index) { |
1739 | element = $(element); |
1740 | if (arguments.length == 1) return $(element.parentNode); |
1741 | var ancestors = element.ancestors(); |
1742 | return Object.isNumber(expression) ? ancestors[expression] : |
1743 | Selector.findElement(ancestors, expression, index); |
1744 | }, |
1745 | |
1746 | down: function(element, expression, index) { |
1747 | element = $(element); |
1748 | if (arguments.length == 1) return element.firstDescendant(); |
1749 | return Object.isNumber(expression) ? element.descendants()[expression] : |
1750 | Element.select(element, expression)[index || 0]; |
1751 | }, |
1752 | |
1753 | previous: function(element, expression, index) { |
1754 | element = $(element); |
1755 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
1756 | var previousSiblings = element.previousSiblings(); |
1757 | return Object.isNumber(expression) ? previousSiblings[expression] : |
1758 | Selector.findElement(previousSiblings, expression, index); |
1759 | }, |
1760 | |
1761 | next: function(element, expression, index) { |
1762 | element = $(element); |
1763 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
1764 | var nextSiblings = element.nextSiblings(); |
1765 | return Object.isNumber(expression) ? nextSiblings[expression] : |
1766 | Selector.findElement(nextSiblings, expression, index); |
1767 | }, |
1768 | |
1769 | select: function() { |
1770 | var args = $A(arguments), element = $(args.shift()); |
1771 | return Selector.findChildElements(element, args); |
1772 | }, |
1773 | |
1774 | adjacent: function() { |
1775 | var args = $A(arguments), element = $(args.shift()); |
1776 | return Selector.findChildElements(element.parentNode, args).without(element); |
1777 | }, |
1778 | |
1779 | identify: function(element) { |
1780 | element = $(element); |
1781 | var id = element.readAttribute('id'), self = arguments.callee; |
1782 | if (id) return id; |
1783 | do { id = 'anonymous_element_' + self.counter++ } while ($(id)); |
1784 | element.writeAttribute('id', id); |
1785 | return id; |
1786 | }, |
1787 | |
1788 | readAttribute: function(element, name) { |
1789 | element = $(element); |
1790 | if (Prototype.Browser.IE) { |
1791 | var t = Element._attributeTranslations.read; |
1792 | if (t.values[name]) return t.values[name](element, name); |
1793 | if (t.names[name]) name = t.names[name]; |
1794 | if (name.include(':')) { |
1795 | return (!element.attributes || !element.attributes[name]) ? null : |
1796 | element.attributes[name].value; |
1797 | } |
1798 | } |
1799 | return element.getAttribute(name); |
1800 | }, |
1801 | |
1802 | writeAttribute: function(element, name, value) { |
1803 | element = $(element); |
1804 | var attributes = { }, t = Element._attributeTranslations.write; |
1805 | |
1806 | if (typeof name == 'object') attributes = name; |
1807 | else attributes[name] = Object.isUndefined(value) ? true : value; |
1808 | |
1809 | for (var attr in attributes) { |
1810 | name = t.names[attr] || attr; |
1811 | value = attributes[attr]; |
1812 | if (t.values[attr]) name = t.values[attr](element, value); |
1813 | if (value === false || value === null) |
1814 | element.removeAttribute(name); |
1815 | else if (value === true) |
1816 | element.setAttribute(name, name); |
1817 | else element.setAttribute(name, value); |
1818 | } |
1819 | return element; |
1820 | }, |
1821 | |
1822 | getHeight: function(element) { |
1823 | return $(element).getDimensions().height; |
1824 | }, |
1825 | |
1826 | getWidth: function(element) { |
1827 | return $(element).getDimensions().width; |
1828 | }, |
1829 | |
1830 | classNames: function(element) { |
1831 | return new Element.ClassNames(element); |
1832 | }, |
1833 | |
1834 | hasClassName: function(element, className) { |
1835 | if (!(element = $(element))) return; |
1836 | var elementClassName = element.className; |
1837 | return (elementClassName.length > 0 && (elementClassName == className || |
1838 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); |
1839 | }, |
1840 | |
1841 | addClassName: function(element, className) { |
1842 | if (!(element = $(element))) return; |
1843 | if (!element.hasClassName(className)) |
1844 | element.className += (element.className ? ' ' : '') + className; |
1845 | return element; |
1846 | }, |
1847 | |
1848 | removeClassName: function(element, className) { |
1849 | if (!(element = $(element))) return; |
1850 | element.className = element.className.replace( |
1851 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); |
1852 | return element; |
1853 | }, |
1854 | |
1855 | toggleClassName: function(element, className) { |
1856 | if (!(element = $(element))) return; |
1857 | return element[element.hasClassName(className) ? |
1858 | 'removeClassName' : 'addClassName'](className); |
1859 | }, |
1860 | |
1861 | // removes whitespace-only text node children |
1862 | cleanWhitespace: function(element) { |
1863 | element = $(element); |
1864 | var node = element.firstChild; |
1865 | while (node) { |
1866 | var nextNode = node.nextSibling; |
1867 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
1868 | element.removeChild(node); |
1869 | node = nextNode; |
1870 | } |
1871 | return element; |
1872 | }, |
1873 | |
1874 | empty: function(element) { |
1875 | return $(element).innerHTML.blank(); |
1876 | }, |
1877 | |
1878 | descendantOf: function(element, ancestor) { |
1879 | element = $(element), ancestor = $(ancestor); |
1880 | |
1881 | if (element.compareDocumentPosition) |
1882 | return (element.compareDocumentPosition(ancestor) & 8) === 8; |
1883 | |
1884 | if (ancestor.contains) |
1885 | return ancestor.contains(element) && ancestor !== element; |
1886 | |
1887 | while (element = element.parentNode) |
1888 | if (element == ancestor) return true; |
1889 | |
1890 | return false; |
1891 | }, |
1892 | |
1893 | scrollTo: function(element) { |
1894 | element = $(element); |
1895 | var pos = element.cumulativeOffset(); |
1896 | window.scrollTo(pos[0], pos[1]); |
1897 | return element; |
1898 | }, |
1899 | |
1900 | getStyle: function(element, style) { |
1901 | element = $(element); |
1902 | style = style == 'float' ? 'cssFloat' : style.camelize(); |
1903 | var value = element.style[style]; |
1904 | if (!value || value == 'auto') { |
1905 | var css = document.defaultView.getComputedStyle(element, null); |
1906 | value = css ? css[style] : null; |
1907 | } |
1908 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
1909 | return value == 'auto' ? null : value; |
1910 | }, |
1911 | |
1912 | getOpacity: function(element) { |
1913 | return $(element).getStyle('opacity'); |
1914 | }, |
1915 | |
1916 | setStyle: function(element, styles) { |
1917 | element = $(element); |
1918 | var elementStyle = element.style, match; |
1919 | if (Object.isString(styles)) { |
1920 | element.style.cssText += ';' + styles; |
1921 | return styles.include('opacity') ? |
1922 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; |
1923 | } |
1924 | for (var property in styles) |
1925 | if (property == 'opacity') element.setOpacity(styles[property]); |
1926 | else |
1927 | elementStyle[(property == 'float' || property == 'cssFloat') ? |
1928 | (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : |
1929 | property] = styles[property]; |
1930 | |
1931 | return element; |
1932 | }, |
1933 | |
1934 | setOpacity: function(element, value) { |
1935 | element = $(element); |
1936 | element.style.opacity = (value == 1 || value === '') ? '' : |
1937 | (value < 0.00001) ? 0 : value; |
1938 | return element; |
1939 | }, |
1940 | |
1941 | getDimensions: function(element) { |
1942 | element = $(element); |
1943 | var display = element.getStyle('display'); |
1944 | if (display != 'none' && display != null) // Safari bug |
1945 | return {width: element.offsetWidth, height: element.offsetHeight}; |
1946 | |
1947 | // All *Width and *Height properties give 0 on elements with display none, |
1948 | // so enable the element temporarily |
1949 | var els = element.style; |
1950 | var originalVisibility = els.visibility; |
1951 | var originalPosition = els.position; |
1952 | var originalDisplay = els.display; |
1953 | els.visibility = 'hidden'; |
1954 | els.position = 'absolute'; |
1955 | els.display = 'block'; |
1956 | var originalWidth = element.clientWidth; |
1957 | var originalHeight = element.clientHeight; |
1958 | els.display = originalDisplay; |
1959 | els.position = originalPosition; |
1960 | els.visibility = originalVisibility; |
1961 | return {width: originalWidth, height: originalHeight}; |
1962 | }, |
1963 | |
1964 | makePositioned: function(element) { |
1965 | element = $(element); |
1966 | var pos = Element.getStyle(element, 'position'); |
1967 | if (pos == 'static' || !pos) { |
1968 | element._madePositioned = true; |
1969 | element.style.position = 'relative'; |
1970 | // Opera returns the offset relative to the positioning context, when an |
1971 | // element is position relative but top and left have not been defined |
1972 | if (Prototype.Browser.Opera) { |
1973 | element.style.top = 0; |
1974 | element.style.left = 0; |
1975 | } |
1976 | } |
1977 | return element; |
1978 | }, |
1979 | |
1980 | undoPositioned: function(element) { |
1981 | element = $(element); |
1982 | if (element._madePositioned) { |
1983 | element._madePositioned = undefined; |
1984 | element.style.position = |
1985 | element.style.top = |
1986 | element.style.left = |
1987 | element.style.bottom = |
1988 | element.style.right = ''; |
1989 | } |
1990 | return element; |
1991 | }, |
1992 | |
1993 | makeClipping: function(element) { |
1994 | element = $(element); |
1995 | if (element._overflow) return element; |
1996 | element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
1997 | if (element._overflow !== 'hidden') |
1998 | element.style.overflow = 'hidden'; |
1999 | return element; |
2000 | }, |
2001 | |
2002 | undoClipping: function(element) { |
2003 | element = $(element); |
2004 | if (!element._overflow) return element; |
2005 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
2006 | element._overflow = null; |
2007 | return element; |
2008 | }, |
2009 | |
2010 | cumulativeOffset: function(element) { |
2011 | var valueT = 0, valueL = 0; |
2012 | do { |
2013 | valueT += element.offsetTop || 0; |
2014 | valueL += element.offsetLeft || 0; |
2015 | element = element.offsetParent; |
2016 | } while (element); |
2017 | return Element._returnOffset(valueL, valueT); |
2018 | }, |
2019 | |
2020 | positionedOffset: function(element) { |
2021 | var valueT = 0, valueL = 0; |
2022 | do { |
2023 | valueT += element.offsetTop || 0; |
2024 | valueL += element.offsetLeft || 0; |
2025 | element = element.offsetParent; |
2026 | if (element) { |
2027 | if (element.tagName.toUpperCase() == 'BODY') break; |
2028 | var p = Element.getStyle(element, 'position'); |
2029 | if (p !== 'static') break; |
2030 | } |
2031 | } while (element); |
2032 | return Element._returnOffset(valueL, valueT); |
2033 | }, |
2034 | |
2035 | absolutize: function(element) { |
2036 | element = $(element); |
2037 | if (element.getStyle('position') == 'absolute') return element; |
2038 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
2039 | |
2040 | var offsets = element.positionedOffset(); |
2041 | var top = offsets[1]; |
2042 | var left = offsets[0]; |
2043 | var width = element.clientWidth; |
2044 | var height = element.clientHeight; |
2045 | |
2046 | element._originalLeft = left - parseFloat(element.style.left || 0); |
2047 | element._originalTop = top - parseFloat(element.style.top || 0); |
2048 | element._originalWidth = element.style.width; |
2049 | element._originalHeight = element.style.height; |
2050 | |
2051 | element.style.position = 'absolute'; |
2052 | element.style.top = top + 'px'; |
2053 | element.style.left = left + 'px'; |
2054 | element.style.width = width + 'px'; |
2055 | element.style.height = height + 'px'; |
2056 | return element; |
2057 | }, |
2058 | |
2059 | relativize: function(element) { |
2060 | element = $(element); |
2061 | if (element.getStyle('position') == 'relative') return element; |
2062 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
2063 | |
2064 | element.style.position = 'relative'; |
2065 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
2066 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
2067 | |
2068 | element.style.top = top + 'px'; |
2069 | element.style.left = left + 'px'; |
2070 | element.style.height = element._originalHeight; |
2071 | element.style.width = element._originalWidth; |
2072 | return element; |
2073 | }, |
2074 | |
2075 | cumulativeScrollOffset: function(element) { |
2076 | var valueT = 0, valueL = 0; |
2077 | do { |
2078 | valueT += element.scrollTop || 0; |
2079 | valueL += element.scrollLeft || 0; |
2080 | element = element.parentNode; |
2081 | } while (element); |
2082 | return Element._returnOffset(valueL, valueT); |
2083 | }, |
2084 | |
2085 | getOffsetParent: function(element) { |
2086 | if (element.offsetParent) return $(element.offsetParent); |
2087 | if (element == document.body) return $(element); |
2088 | |
2089 | while ((element = element.parentNode) && element != document.body) |
2090 | if (Element.getStyle(element, 'position') != 'static') |
2091 | return $(element); |
2092 | |
2093 | return $(document.body); |
2094 | }, |
2095 | |
2096 | viewportOffset: function(forElement) { |
2097 | var valueT = 0, valueL = 0; |
2098 | |
2099 | var element = forElement; |
2100 | do { |
2101 | valueT += element.offsetTop || 0; |
2102 | valueL += element.offsetLeft || 0; |
2103 | |
2104 | // Safari fix |
2105 | if (element.offsetParent == document.body && |
2106 | Element.getStyle(element, 'position') == 'absolute') break; |
2107 | |
2108 | } while (element = element.offsetParent); |
2109 | |
2110 | element = forElement; |
2111 | do { |
2112 | if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) { |
2113 | valueT -= element.scrollTop || 0; |
2114 | valueL -= element.scrollLeft || 0; |
2115 | } |
2116 | } while (element = element.parentNode); |
2117 | |
2118 | return Element._returnOffset(valueL, valueT); |
2119 | }, |
2120 | |
2121 | clonePosition: function(element, source) { |
2122 | var options = Object.extend({ |
2123 | setLeft: true, |
2124 | setTop: true, |
2125 | setWidth: true, |
2126 | setHeight: true, |
2127 | offsetTop: 0, |
2128 | offsetLeft: 0 |
2129 | }, arguments[2] || { }); |
2130 | |
2131 | // find page position of source |
2132 | source = $(source); |
2133 | var p = source.viewportOffset(); |
2134 | |
2135 | // find coordinate system to use |
2136 | element = $(element); |
2137 | var delta = [0, 0]; |
2138 | var parent = null; |
2139 | // delta [0,0] will do fine with position: fixed elements, |
2140 | // position:absolute needs offsetParent deltas |
2141 | if (Element.getStyle(element, 'position') == 'absolute') { |
2142 | parent = element.getOffsetParent(); |
2143 | delta = parent.viewportOffset(); |
2144 | } |
2145 | |
2146 | // correct by body offsets (fixes Safari) |
2147 | if (parent == document.body) { |
2148 | delta[0] -= document.body.offsetLeft; |
2149 | delta[1] -= document.body.offsetTop; |
2150 | } |
2151 | |
2152 | // set position |
2153 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
2154 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
2155 | if (options.setWidth) element.style.width = source.offsetWidth + 'px'; |
2156 | if (options.setHeight) element.style.height = source.offsetHeight + 'px'; |
2157 | return element; |
2158 | } |
2159 | }; |
2160 | |
2161 | Element.Methods.identify.counter = 1; |
2162 | |
2163 | Object.extend(Element.Methods, { |
2164 | getElementsBySelector: Element.Methods.select, |
2165 | childElements: Element.Methods.immediateDescendants |
2166 | }); |
2167 | |
2168 | Element._attributeTranslations = { |
2169 | write: { |
2170 | names: { |
2171 | className: 'class', |
2172 | htmlFor: 'for' |
2173 | }, |
2174 | values: { } |
2175 | } |
2176 | }; |
2177 | |
2178 | if (Prototype.Browser.Opera) { |
2179 | Element.Methods.getStyle = Element.Methods.getStyle.wrap( |
2180 | function(proceed, element, style) { |
2181 | switch (style) { |
2182 | case 'left': case 'top': case 'right': case 'bottom': |
2183 | if (proceed(element, 'position') === 'static') return null; |
2184 | case 'height': case 'width': |
2185 | // returns '0px' for hidden elements; we want it to return null |
2186 | if (!Element.visible(element)) return null; |
2187 | |
2188 | // returns the border-box dimensions rather than the content-box |
2189 | // dimensions, so we subtract padding and borders from the value |
2190 | var dim = parseInt(proceed(element, style), 10); |
2191 | |
2192 | if (dim !== element['offset' + style.capitalize()]) |
2193 | return dim + 'px'; |
2194 | |
2195 | var properties; |
2196 | if (style === 'height') { |
2197 | properties = ['border-top-width', 'padding-top', |
2198 | 'padding-bottom', 'border-bottom-width']; |
2199 | } |
2200 | else { |
2201 | properties = ['border-left-width', 'padding-left', |
2202 | 'padding-right', 'border-right-width']; |
2203 | } |
2204 | return properties.inject(dim, function(memo, property) { |
2205 | var val = proceed(element, property); |
2206 | return val === null ? memo : memo - parseInt(val, 10); |
2207 | }) + 'px'; |
2208 | default: return proceed(element, style); |
2209 | } |
2210 | } |
2211 | ); |
2212 | |
2213 | Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( |
2214 | function(proceed, element, attribute) { |
2215 | if (attribute === 'title') return element.title; |
2216 | return proceed(element, attribute); |
2217 | } |
2218 | ); |
2219 | } |
2220 | |
2221 | else if (Prototype.Browser.IE) { |
2222 | // IE doesn't report offsets correctly for static elements, so we change them |
2223 | // to "relative" to get the values, then change them back. |
2224 | Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( |
2225 | function(proceed, element) { |
2226 | element = $(element); |
2227 | // IE throws an error if element is not in document |
2228 | try { element.offsetParent } |
2229 | catch(e) { return $(document.body) } |
2230 | var position = element.getStyle('position'); |
2231 | if (position !== 'static') return proceed(element); |
2232 | element.setStyle({ position: 'relative' }); |
2233 | var value = proceed(element); |
2234 | element.setStyle({ position: position }); |
2235 | return value; |
2236 | } |
2237 | ); |
2238 | |
2239 | $w('positionedOffset viewportOffset').each(function(method) { |
2240 | Element.Methods[method] = Element.Methods[method].wrap( |
2241 | function(proceed, element) { |
2242 | element = $(element); |
2243 | try { element.offsetParent } |
2244 | catch(e) { return Element._returnOffset(0,0) } |
2245 | var position = element.getStyle('position'); |
2246 | if (position !== 'static') return proceed(element); |
2247 | // Trigger hasLayout on the offset parent so that IE6 reports |
2248 | // accurate offsetTop and offsetLeft values for position: fixed. |
2249 | var offsetParent = element.getOffsetParent(); |
2250 | if (offsetParent && offsetParent.getStyle('position') === 'fixed') |
2251 | offsetParent.setStyle({ zoom: 1 }); |
2252 | element.setStyle({ position: 'relative' }); |
2253 | var value = proceed(element); |
2254 | element.setStyle({ position: position }); |
2255 | return value; |
2256 | } |
2257 | ); |
2258 | }); |
2259 | |
2260 | Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap( |
2261 | function(proceed, element) { |
2262 | try { element.offsetParent } |
2263 | catch(e) { return Element._returnOffset(0,0) } |
2264 | return proceed(element); |
2265 | } |
2266 | ); |
2267 | |
2268 | Element.Methods.getStyle = function(element, style) { |
2269 | element = $(element); |
2270 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
2271 | var value = element.style[style]; |
2272 | if (!value && element.currentStyle) value = element.currentStyle[style]; |
2273 | |
2274 | if (style == 'opacity') { |
2275 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
2276 | if (value[1]) return parseFloat(value[1]) / 100; |
2277 | return 1.0; |
2278 | } |
2279 | |
2280 | if (value == 'auto') { |
2281 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
2282 | return element['offset' + style.capitalize()] + 'px'; |
2283 | return null; |
2284 | } |
2285 | return value; |
2286 | }; |
2287 | |
2288 | Element.Methods.setOpacity = function(element, value) { |
2289 | function stripAlpha(filter){ |
2290 | return filter.replace(/alpha\([^\)]*\)/gi,''); |
2291 | } |
2292 | element = $(element); |
2293 | var currentStyle = element.currentStyle; |
2294 | if ((currentStyle && !currentStyle.hasLayout) || |
2295 | (!currentStyle && element.style.zoom == 'normal')) |
2296 | element.style.zoom = 1; |
2297 | |
2298 | var filter = element.getStyle('filter'), style = element.style; |
2299 | if (value == 1 || value === '') { |
2300 | (filter = stripAlpha(filter)) ? |
2301 | style.filter = filter : style.removeAttribute('filter'); |
2302 | return element; |
2303 | } else if (value < 0.00001) value = 0; |
2304 | style.filter = stripAlpha(filter) + |
2305 | 'alpha(opacity=' + (value * 100) + ')'; |
2306 | return element; |
2307 | }; |
2308 | |
2309 | Element._attributeTranslations = { |
2310 | read: { |
2311 | names: { |
2312 | 'class': 'className', |
2313 | 'for': 'htmlFor' |
2314 | }, |
2315 | values: { |
2316 | _getAttr: function(element, attribute) { |
2317 | return element.getAttribute(attribute, 2); |
2318 | }, |
2319 | _getAttrNode: function(element, attribute) { |
2320 | var node = element.getAttributeNode(attribute); |
2321 | return node ? node.value : ""; |
2322 | }, |
2323 | _getEv: function(element, attribute) { |
2324 | attribute = element.getAttribute(attribute); |
2325 | return attribute ? attribute.toString().slice(23, -2) : null; |
2326 | }, |
2327 | _flag: function(element, attribute) { |
2328 | return $(element).hasAttribute(attribute) ? attribute : null; |
2329 | }, |
2330 | style: function(element) { |
2331 | return element.style.cssText.toLowerCase(); |
2332 | }, |
2333 | title: function(element) { |
2334 | return element.title; |
2335 | } |
2336 | } |
2337 | } |
2338 | }; |
2339 | |
2340 | Element._attributeTranslations.write = { |
2341 | names: Object.extend({ |
2342 | cellpadding: 'cellPadding', |
2343 | cellspacing: 'cellSpacing' |
2344 | }, Element._attributeTranslations.read.names), |
2345 | values: { |
2346 | checked: function(element, value) { |
2347 | element.checked = !!value; |
2348 | }, |
2349 | |
2350 | style: function(element, value) { |
2351 | element.style.cssText = value ? value : ''; |
2352 | } |
2353 | } |
2354 | }; |
2355 | |
2356 | Element._attributeTranslations.has = {}; |
2357 | |
2358 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + |
2359 | 'encType maxLength readOnly longDesc frameBorder').each(function(attr) { |
2360 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; |
2361 | Element._attributeTranslations.has[attr.toLowerCase()] = attr; |
2362 | }); |
2363 | |
2364 | (function(v) { |
2365 | Object.extend(v, { |
2366 | href: v._getAttr, |
2367 | src: v._getAttr, |
2368 | type: v._getAttr, |
2369 | action: v._getAttrNode, |
2370 | disabled: v._flag, |
2371 | checked: v._flag, |
2372 | readonly: v._flag, |
2373 | multiple: v._flag, |
2374 | onload: v._getEv, |
2375 | onunload: v._getEv, |
2376 | onclick: v._getEv, |
2377 | ondblclick: v._getEv, |
2378 | onmousedown: v._getEv, |
2379 | onmouseup: v._getEv, |
2380 | onmouseover: v._getEv, |
2381 | onmousemove: v._getEv, |
2382 | onmouseout: v._getEv, |
2383 | onfocus: v._getEv, |
2384 | onblur: v._getEv, |
2385 | onkeypress: v._getEv, |
2386 | onkeydown: v._getEv, |
2387 | onkeyup: v._getEv, |
2388 | onsubmit: v._getEv, |
2389 | onreset: v._getEv, |
2390 | onselect: v._getEv, |
2391 | onchange: v._getEv |
2392 | }); |
2393 | })(Element._attributeTranslations.read.values); |
2394 | } |
2395 | |
2396 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { |
2397 | Element.Methods.setOpacity = function(element, value) { |
2398 | element = $(element); |
2399 | element.style.opacity = (value == 1) ? 0.999999 : |
2400 | (value === '') ? '' : (value < 0.00001) ? 0 : value; |
2401 | return element; |
2402 | }; |
2403 | } |
2404 | |
2405 | else if (Prototype.Browser.WebKit) { |
2406 | Element.Methods.setOpacity = function(element, value) { |
2407 | element = $(element); |
2408 | element.style.opacity = (value == 1 || value === '') ? '' : |
2409 | (value < 0.00001) ? 0 : value; |
2410 | |
2411 | if (value == 1) |
2412 | if(element.tagName.toUpperCase() == 'IMG' && element.width) { |
2413 | element.width++; element.width--; |
2414 | } else try { |
2415 | var n = document.createTextNode(' '); |
2416 | element.appendChild(n); |
2417 | element.removeChild(n); |
2418 | } catch (e) { } |
2419 | |
2420 | return element; |
2421 | }; |
2422 | |
2423 | // Safari returns margins on body which is incorrect if the child is absolutely |
2424 | // positioned. For performance reasons, redefine Element#cumulativeOffset for |
2425 | // KHTML/WebKit only. |
2426 | Element.Methods.cumulativeOffset = function(element) { |
2427 | var valueT = 0, valueL = 0; |
2428 | do { |
2429 | valueT += element.offsetTop || 0; |
2430 | valueL += element.offsetLeft || 0; |
2431 | if (element.offsetParent == document.body) |
2432 | if (Element.getStyle(element, 'position') == 'absolute') break; |
2433 | |
2434 | element = element.offsetParent; |
2435 | } while (element); |
2436 | |
2437 | return Element._returnOffset(valueL, valueT); |
2438 | }; |
2439 | } |
2440 | |
2441 | if (Prototype.Browser.IE || Prototype.Browser.Opera) { |
2442 | // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements |
2443 | Element.Methods.update = function(element, content) { |
2444 | element = $(element); |
2445 | |
2446 | if (content && content.toElement) content = content.toElement(); |
2447 | if (Object.isElement(content)) return element.update().insert(content); |
2448 | |
2449 | content = Object.toHTML(content); |
2450 | var tagName = element.tagName.toUpperCase(); |
2451 | |
2452 | if (tagName in Element._insertionTranslations.tags) { |
2453 | $A(element.childNodes).each(function(node) { element.removeChild(node) }); |
2454 | Element._getContentFromAnonymousElement(tagName, content.stripScripts()) |
2455 | .each(function(node) { element.appendChild(node) }); |
2456 | } |
2457 | else element.innerHTML = content.stripScripts(); |
2458 | |
2459 | content.evalScripts.bind(content).defer(); |
2460 | return element; |
2461 | }; |
2462 | } |
2463 | |
2464 | if ('outerHTML' in document.createElement('div')) { |
2465 | Element.Methods.replace = function(element, content) { |
2466 | element = $(element); |
2467 | |
2468 | if (content && content.toElement) content = content.toElement(); |
2469 | if (Object.isElement(content)) { |
2470 | element.parentNode.replaceChild(content, element); |
2471 | return element; |
2472 | } |
2473 | |
2474 | content = Object.toHTML(content); |
2475 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); |
2476 | |
2477 | if (Element._insertionTranslations.tags[tagName]) { |
2478 | var nextSibling = element.next(); |
2479 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
2480 | parent.removeChild(element); |
2481 | if (nextSibling) |
2482 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); |
2483 | else |
2484 | fragments.each(function(node) { parent.appendChild(node) }); |
2485 | } |
2486 | else element.outerHTML = content.stripScripts(); |
2487 | |
2488 | content.evalScripts.bind(content).defer(); |
2489 | return element; |
2490 | }; |
2491 | } |
2492 | |
2493 | Element._returnOffset = function(l, t) { |
2494 | var result = [l, t]; |
2495 | result.left = l; |
2496 | result.top = t; |
2497 | return result; |
2498 | }; |
2499 | |
2500 | Element._getContentFromAnonymousElement = function(tagName, html) { |
2501 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; |
2502 | if (t) { |
2503 | div.innerHTML = t[0] + html + t[1]; |
2504 | t[2].times(function() { div = div.firstChild }); |
2505 | } else div.innerHTML = html; |
2506 | return $A(div.childNodes); |
2507 | }; |
2508 | |
2509 | Element._insertionTranslations = { |
2510 | before: function(element, node) { |
2511 | element.parentNode.insertBefore(node, element); |
2512 | }, |
2513 | top: function(element, node) { |
2514 | element.insertBefore(node, element.firstChild); |
2515 | }, |
2516 | bottom: function(element, node) { |
2517 | element.appendChild(node); |
2518 | }, |
2519 | after: function(element, node) { |
2520 | element.parentNode.insertBefore(node, element.nextSibling); |
2521 | }, |
2522 | tags: { |
2523 | TABLE: ['<table>', '</table>', 1], |
2524 | TBODY: ['<table><tbody>', '</tbody></table>', 2], |
2525 | TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], |
2526 | TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], |
2527 | SELECT: ['<select>', '</select>', 1] |
2528 | } |
2529 | }; |
2530 | |
2531 | (function() { |
2532 | Object.extend(this.tags, { |
2533 | THEAD: this.tags.TBODY, |
2534 | TFOOT: this.tags.TBODY, |
2535 | TH: this.tags.TD |
2536 | }); |
2537 | }).call(Element._insertionTranslations); |
2538 | |
2539 | Element.Methods.Simulated = { |
2540 | hasAttribute: function(element, attribute) { |
2541 | attribute = Element._attributeTranslations.has[attribute] || attribute; |
2542 | var node = $(element).getAttributeNode(attribute); |
2543 | return !!(node && node.specified); |
2544 | } |
2545 | }; |
2546 | |
2547 | Element.Methods.ByTag = { }; |
2548 | |
2549 | Object.extend(Element, Element.Methods); |
2550 | |
2551 | if (!Prototype.BrowserFeatures.ElementExtensions && |
2552 | document.createElement('div')['__proto__']) { |
2553 | window.HTMLElement = { }; |
2554 | window.HTMLElement.prototype = document.createElement('div')['__proto__']; |
2555 | Prototype.BrowserFeatures.ElementExtensions = true; |
2556 | } |
2557 | |
2558 | Element.extend = (function() { |
2559 | if (Prototype.BrowserFeatures.SpecificElementExtensions) |
2560 | return Prototype.K; |
2561 | |
2562 | var Methods = { }, ByTag = Element.Methods.ByTag; |
2563 | |
2564 | var extend = Object.extend(function(element) { |
2565 | if (!element || element._extendedByPrototype || |
2566 | element.nodeType != 1 || element == window) return element; |
2567 | |
2568 | var methods = Object.clone(Methods), |
2569 | tagName = element.tagName.toUpperCase(), property, value; |
2570 | |
2571 | // extend methods for specific tags |
2572 | if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); |
2573 | |
2574 | for (property in methods) { |
2575 | value = methods[property]; |
2576 | if (Object.isFunction(value) && !(property in element)) |
2577 | element[property] = value.methodize(); |
2578 | } |
2579 | |
2580 | element._extendedByPrototype = Prototype.emptyFunction; |
2581 | return element; |
2582 | |
2583 | }, { |
2584 | refresh: function() { |
2585 | // extend methods for all tags (Safari doesn't need this) |
2586 | if (!Prototype.BrowserFeatures.ElementExtensions) { |
2587 | Object.extend(Methods, Element.Methods); |
2588 | Object.extend(Methods, Element.Methods.Simulated); |
2589 | } |
2590 | } |
2591 | }); |
2592 | |
2593 | extend.refresh(); |
2594 | return extend; |
2595 | })(); |
2596 | |
2597 | Element.hasAttribute = function(element, attribute) { |
2598 | if (element.hasAttribute) return element.hasAttribute(attribute); |
2599 | return Element.Methods.Simulated.hasAttribute(element, attribute); |
2600 | }; |
2601 | |
2602 | Element.addMethods = function(methods) { |
2603 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
2604 | |
2605 | if (!methods) { |
2606 | Object.extend(Form, Form.Methods); |
2607 | Object.extend(Form.Element, Form.Element.Methods); |
2608 | Object.extend(Element.Methods.ByTag, { |
2609 | "FORM": Object.clone(Form.Methods), |
2610 | "INPUT": Object.clone(Form.Element.Methods), |
2611 | "SELECT": Object.clone(Form.Element.Methods), |
2612 | "TEXTAREA": Object.clone(Form.Element.Methods) |
2613 | }); |
2614 | } |
2615 | |
2616 | if (arguments.length == 2) { |
2617 | var tagName = methods; |
2618 | methods = arguments[1]; |
2619 | } |
2620 | |
2621 | if (!tagName) Object.extend(Element.Methods, methods || { }); |
2622 | else { |
2623 | if (Object.isArray(tagName)) tagName.each(extend); |
2624 | else extend(tagName); |
2625 | } |
2626 | |
2627 | function extend(tagName) { |
2628 | tagName = tagName.toUpperCase(); |
2629 | if (!Element.Methods.ByTag[tagName]) |
2630 | Element.Methods.ByTag[tagName] = { }; |
2631 | Object.extend(Element.Methods.ByTag[tagName], methods); |
2632 | } |
2633 | |
2634 | function copy(methods, destination, onlyIfAbsent) { |
2635 | onlyIfAbsent = onlyIfAbsent || false; |
2636 | for (var property in methods) { |
2637 | var value = methods[property]; |
2638 | if (!Object.isFunction(value)) continue; |
2639 | if (!onlyIfAbsent || !(property in destination)) |
2640 | destination[property] = value.methodize(); |
2641 | } |
2642 | } |
2643 | |
2644 | function findDOMClass(tagName) { |
2645 | var klass; |
2646 | var trans = { |
2647 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
2648 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
2649 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
2650 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
2651 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
2652 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
2653 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
2654 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
2655 | "FrameSet", "IFRAME": "IFrame" |
2656 | }; |
2657 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
2658 | if (window[klass]) return window[klass]; |
2659 | klass = 'HTML' + tagName + 'Element'; |
2660 | if (window[klass]) return window[klass]; |
2661 | klass = 'HTML' + tagName.capitalize() + 'Element'; |
2662 | if (window[klass]) return window[klass]; |
2663 | |
2664 | window[klass] = { }; |
2665 | window[klass].prototype = document.createElement(tagName)['__proto__']; |
2666 | return window[klass]; |
2667 | } |
2668 | |
2669 | if (F.ElementExtensions) { |
2670 | copy(Element.Methods, HTMLElement.prototype); |
2671 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
2672 | } |
2673 | |
2674 | if (F.SpecificElementExtensions) { |
2675 | for (var tag in Element.Methods.ByTag) { |
2676 | var klass = findDOMClass(tag); |
2677 | if (Object.isUndefined(klass)) continue; |
2678 | copy(T[tag], klass.prototype); |
2679 | } |
2680 | } |
2681 | |
2682 | Object.extend(Element, Element.Methods); |
2683 | delete Element.ByTag; |
2684 | |
2685 | if (Element.extend.refresh) Element.extend.refresh(); |
2686 | Element.cache = { }; |
2687 | }; |
2688 | |
2689 | document.viewport = { |
2690 | getDimensions: function() { |
2691 | var dimensions = { }, B = Prototype.Browser; |
2692 | $w('width height').each(function(d) { |
2693 | var D = d.capitalize(); |
2694 | if (B.WebKit && !document.evaluate) { |
2695 | // Safari <3.0 needs self.innerWidth/Height |
2696 | dimensions[d] = self['inner' + D]; |
2697 | } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) { |
2698 | // Opera <9.5 needs document.body.clientWidth/Height |
2699 | dimensions[d] = document.body['client' + D] |
2700 | } else { |
2701 | dimensions[d] = document.documentElement['client' + D]; |
2702 | } |
2703 | }); |
2704 | return dimensions; |
2705 | }, |
2706 | |
2707 | getWidth: function() { |
2708 | return this.getDimensions().width; |
2709 | }, |
2710 | |
2711 | getHeight: function() { |
2712 | return this.getDimensions().height; |
2713 | }, |
2714 | |
2715 | getScrollOffsets: function() { |
2716 | return Element._returnOffset( |
2717 | window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, |
2718 | window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); |
2719 | } |
2720 | }; |
2721 | /* Portions of the Selector class are derived from Jack Slocum's DomQuery, |
2722 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
2723 | * license. Please see http://www.yui-ext.com/ for more information. */ |
2724 | |
2725 | var Selector = Class.create({ |
2726 | initialize: function(expression) { |
2727 | this.expression = expression.strip(); |
2728 | |
2729 | if (this.shouldUseSelectorsAPI()) { |
2730 | this.mode = 'selectorsAPI'; |
2731 | } else if (this.shouldUseXPath()) { |
2732 | this.mode = 'xpath'; |
2733 | this.compileXPathMatcher(); |
2734 | } else { |
2735 | this.mode = "normal"; |
2736 | this.compileMatcher(); |
2737 | } |
2738 | |
2739 | }, |
2740 | |
2741 | shouldUseXPath: function() { |
2742 | if (!Prototype.BrowserFeatures.XPath) return false; |
2743 | |
2744 | var e = this.expression; |
2745 | |
2746 | // Safari 3 chokes on :*-of-type and :empty |
2747 | if (Prototype.Browser.WebKit && |
2748 | (e.include("-of-type") || e.include(":empty"))) |
2749 | return false; |
2750 | |
2751 | // XPath can't do namespaced attributes, nor can it read |
2752 | // the "checked" property from DOM nodes |
2753 | if ((/(\[[\w-]*?:|:checked)/).test(e)) |
2754 | return false; |
2755 | |
2756 | return true; |
2757 | }, |
2758 | |
2759 | shouldUseSelectorsAPI: function() { |
2760 | if (!Prototype.BrowserFeatures.SelectorsAPI) return false; |
2761 | |
2762 | if (!Selector._div) Selector._div = new Element('div'); |
2763 | |
2764 | // Make sure the browser treats the selector as valid. Test on an |
2765 | // isolated element to minimize cost of this check. |
2766 | try { |
2767 | Selector._div.querySelector(this.expression); |
2768 | } catch(e) { |
2769 | return false; |
2770 | } |
2771 | |
2772 | return true; |
2773 | }, |
2774 | |
2775 | compileMatcher: function() { |
2776 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
2777 | c = Selector.criteria, le, p, m; |
2778 | |
2779 | if (Selector._cache[e]) { |
2780 | this.matcher = Selector._cache[e]; |
2781 | return; |
2782 | } |
2783 | |
2784 | this.matcher = ["this.matcher = function(root) {", |
2785 | "var r = root, h = Selector.handlers, c = false, n;"]; |
2786 | |
2787 | while (e && le != e && (/\S/).test(e)) { |
2788 | le = e; |
2789 | for (var i in ps) { |
2790 | p = ps[i]; |
2791 | if (m = e.match(p)) { |
2792 | this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : |
2793 | new Template(c[i]).evaluate(m)); |
2794 | e = e.replace(m[0], ''); |
2795 | break; |
2796 | } |
2797 | } |
2798 | } |
2799 | |
2800 | this.matcher.push("return h.unique(n);\n}"); |
2801 | eval(this.matcher.join('\n')); |
2802 | Selector._cache[this.expression] = this.matcher; |
2803 | }, |
2804 | |
2805 | compileXPathMatcher: function() { |
2806 | var e = this.expression, ps = Selector.patterns, |
2807 | x = Selector.xpath, le, m; |
2808 | |
2809 | if (Selector._cache[e]) { |
2810 | this.xpath = Selector._cache[e]; return; |
2811 | } |
2812 | |
2813 | this.matcher = ['.//*']; |
2814 | while (e && le != e && (/\S/).test(e)) { |
2815 | le = e; |
2816 | for (var i in ps) { |
2817 | if (m = e.match(ps[i])) { |
2818 | this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : |
2819 | new Template(x[i]).evaluate(m)); |
2820 | e = e.replace(m[0], ''); |
2821 | break; |
2822 | } |
2823 | } |
2824 | } |
2825 | |
2826 | this.xpath = this.matcher.join(''); |
2827 | Selector._cache[this.expression] = this.xpath; |
2828 | }, |
2829 | |
2830 | findElements: function(root) { |
2831 | root = root || document; |
2832 | var e = this.expression, results; |
2833 | |
2834 | switch (this.mode) { |
2835 | case 'selectorsAPI': |
2836 | // querySelectorAll queries document-wide, then filters to descendants |
2837 | // of the context element. That's not what we want. |
2838 | // Add an explicit context to the selector if necessary. |
2839 | if (root !== document) { |
2840 | var oldId = root.id, id = $(root).identify(); |
2841 | e = "#" + id + " " + e; |
2842 | } |
2843 | |
2844 | results = $A(root.querySelectorAll(e)).map(Element.extend); |
2845 | root.id = oldId; |
2846 | |
2847 | return results; |
2848 | case 'xpath': |
2849 | return document._getElementsByXPath(this.xpath, root); |
2850 | default: |
2851 | return this.matcher(root); |
2852 | } |
2853 | }, |
2854 | |
2855 | match: function(element) { |
2856 | this.tokens = []; |
2857 | |
2858 | var e = this.expression, ps = Selector.patterns, as = Selector.assertions; |
2859 | var le, p, m; |
2860 | |
2861 | while (e && le !== e && (/\S/).test(e)) { |
2862 | le = e; |
2863 | for (var i in ps) { |
2864 | p = ps[i]; |
2865 | if (m = e.match(p)) { |
2866 | // use the Selector.assertions methods unless the selector |
2867 | // is too complex. |
2868 | if (as[i]) { |
2869 | this.tokens.push([i, Object.clone(m)]); |
2870 | e = e.replace(m[0], ''); |
2871 | } else { |
2872 | // reluctantly do a document-wide search |
2873 | // and look for a match in the array |
2874 | return this.findElements(document).include(element); |
2875 | } |
2876 | } |
2877 | } |
2878 | } |
2879 | |
2880 | var match = true, name, matches; |
2881 | for (var i = 0, token; token = this.tokens[i]; i++) { |
2882 | name = token[0], matches = token[1]; |
2883 | if (!Selector.assertions[name](element, matches)) { |
2884 | match = false; break; |
2885 | } |
2886 | } |
2887 | |
2888 | return match; |
2889 | }, |
2890 | |
2891 | toString: function() { |
2892 | return this.expression; |
2893 | }, |
2894 | |
2895 | inspect: function() { |
2896 | return "#<Selector:" + this.expression.inspect() + ">"; |
2897 | } |
2898 | }); |
2899 | |
2900 | Object.extend(Selector, { |
2901 | _cache: { }, |
2902 | |
2903 | xpath: { |
2904 | descendant: "//*", |
2905 | child: "/*", |
2906 | adjacent: "/following-sibling::*[1]", |
2907 | laterSibling: '/following-sibling::*', |
2908 | tagName: function(m) { |
2909 | if (m[1] == '*') return ''; |
2910 | return "[local-name()='" + m[1].toLowerCase() + |
2911 | "' or local-name()='" + m[1].toUpperCase() + "']"; |
2912 | }, |
2913 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
2914 | id: "[@id='#{1}']", |
2915 | attrPresence: function(m) { |
2916 | m[1] = m[1].toLowerCase(); |
2917 | return new Template("[@#{1}]").evaluate(m); |
2918 | }, |
2919 | attr: function(m) { |
2920 | m[1] = m[1].toLowerCase(); |
2921 | m[3] = m[5] || m[6]; |
2922 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
2923 | }, |
2924 | pseudo: function(m) { |
2925 | var h = Selector.xpath.pseudos[m[1]]; |
2926 | if (!h) return ''; |
2927 | if (Object.isFunction(h)) return h(m); |
2928 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
2929 | }, |
2930 | operators: { |
2931 | '=': "[@#{1}='#{3}']", |
2932 | '!=': "[@#{1}!='#{3}']", |
2933 | '^=': "[starts-with(@#{1}, '#{3}')]", |
2934 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
2935 | '*=': "[contains(@#{1}, '#{3}')]", |
2936 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
2937 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
2938 | }, |
2939 | pseudos: { |
2940 | 'first-child': '[not(preceding-sibling::*)]', |
2941 | 'last-child': '[not(following-sibling::*)]', |
2942 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
2943 | 'empty': "[count(*) = 0 and (count(text()) = 0)]", |
2944 | 'checked': "[@checked]", |
2945 | 'disabled': "[(@disabled) and (@type!='hidden')]", |
2946 | 'enabled': "[not(@disabled) and (@type!='hidden')]", |
2947 | 'not': function(m) { |
2948 | var e = m[6], p = Selector.patterns, |
2949 | x = Selector.xpath, le, v; |
2950 | |
2951 | var exclusion = []; |
2952 | while (e && le != e && (/\S/).test(e)) { |
2953 | le = e; |
2954 | for (var i in p) { |
2955 | if (m = e.match(p[i])) { |
2956 | v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); |
2957 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
2958 | e = e.replace(m[0], ''); |
2959 | break; |
2960 | } |
2961 | } |
2962 | } |
2963 | return "[not(" + exclusion.join(" and ") + ")]"; |
2964 | }, |
2965 | 'nth-child': function(m) { |
2966 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
2967 | }, |
2968 | 'nth-last-child': function(m) { |
2969 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
2970 | }, |
2971 | 'nth-of-type': function(m) { |
2972 | return Selector.xpath.pseudos.nth("position() ", m); |
2973 | }, |
2974 | 'nth-last-of-type': function(m) { |
2975 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
2976 | }, |
2977 | 'first-of-type': function(m) { |
2978 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
2979 | }, |
2980 | 'last-of-type': function(m) { |
2981 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
2982 | }, |
2983 | 'only-of-type': function(m) { |
2984 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
2985 | }, |
2986 | nth: function(fragment, m) { |
2987 | var mm, formula = m[6], predicate; |
2988 | if (formula == 'even') formula = '2n+0'; |
2989 | if (formula == 'odd') formula = '2n+1'; |
2990 | if (mm = formula.match(/^(\d+)$/)) // digit only |
2991 | return '[' + fragment + "= " + mm[1] + ']'; |
2992 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
2993 | if (mm[1] == "-") mm[1] = -1; |
2994 | var a = mm[1] ? Number(mm[1]) : 1; |
2995 | var b = mm[2] ? Number(mm[2]) : 0; |
2996 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
2997 | "((#{fragment} - #{b}) div #{a} >= 0)]"; |
2998 | return new Template(predicate).evaluate({ |
2999 | fragment: fragment, a: a, b: b }); |
3000 | } |
3001 | } |
3002 | } |
3003 | }, |
3004 | |
3005 | criteria: { |
3006 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
3007 | className: 'n = h.className(n, r, "#{1}", c); c = false;', |
3008 | id: 'n = h.id(n, r, "#{1}", c); c = false;', |
3009 | attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', |
3010 | attr: function(m) { |
3011 | m[3] = (m[5] || m[6]); |
3012 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); |
3013 | }, |
3014 | pseudo: function(m) { |
3015 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
3016 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
3017 | }, |
3018 | descendant: 'c = "descendant";', |
3019 | child: 'c = "child";', |
3020 | adjacent: 'c = "adjacent";', |
3021 | laterSibling: 'c = "laterSibling";' |
3022 | }, |
3023 | |
3024 | patterns: { |
3025 | // combinators must be listed first |
3026 | // (and descendant needs to be last combinator) |
3027 | laterSibling: /^\s*~\s*/, |
3028 | child: /^\s*>\s*/, |
3029 | adjacent: /^\s*\+\s*/, |
3030 | descendant: /^\s/, |
3031 | |
3032 | // selectors follow |
3033 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
3034 | id: /^#([\w\-\*]+)(\b|$)/, |
3035 | className: /^\.([\w\-\*]+)(\b|$)/, |
3036 | pseudo: |
3037 | /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, |
3038 | attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/, |
3039 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ |
3040 | }, |
3041 | |
3042 | // for Selector.match and Element#match |
3043 | assertions: { |
3044 | tagName: function(element, matches) { |
3045 | return matches[1].toUpperCase() == element.tagName.toUpperCase(); |
3046 | }, |
3047 | |
3048 | className: function(element, matches) { |
3049 | return Element.hasClassName(element, matches[1]); |
3050 | }, |
3051 | |
3052 | id: function(element, matches) { |
3053 | return element.id === matches[1]; |
3054 | }, |
3055 | |
3056 | attrPresence: function(element, matches) { |
3057 | return Element.hasAttribute(element, matches[1]); |
3058 | }, |
3059 | |
3060 | attr: function(element, matches) { |
3061 | var nodeValue = Element.readAttribute(element, matches[1]); |
3062 | return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); |
3063 | } |
3064 | }, |
3065 | |
3066 | handlers: { |
3067 | // UTILITY FUNCTIONS |
3068 | // joins two collections |
3069 | concat: function(a, b) { |
3070 | for (var i = 0, node; node = b[i]; i++) |
3071 | a.push(node); |
3072 | return a; |
3073 | }, |
3074 | |
3075 | // marks an array of nodes for counting |
3076 | mark: function(nodes) { |
3077 | var _true = Prototype.emptyFunction; |
3078 | for (var i = 0, node; node = nodes[i]; i++) |
3079 | node._countedByPrototype = _true; |
3080 | return nodes; |
3081 | }, |
3082 | |
3083 | unmark: function(nodes) { |
3084 | for (var i = 0, node; node = nodes[i]; i++) |
3085 | node._countedByPrototype = undefined; |
3086 | return nodes; |
3087 | }, |
3088 | |
3089 | // mark each child node with its position (for nth calls) |
3090 | // "ofType" flag indicates whether we're indexing for nth-of-type |
3091 | // rather than nth-child |
3092 | index: function(parentNode, reverse, ofType) { |
3093 | parentNode._countedByPrototype = Prototype.emptyFunction; |
3094 | if (reverse) { |
3095 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
3096 | var node = nodes[i]; |
3097 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
3098 | } |
3099 | } else { |
3100 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
3101 | if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
3102 | } |
3103 | }, |
3104 | |
3105 | // filters out duplicates and extends all nodes |
3106 | unique: function(nodes) { |
3107 | if (nodes.length == 0) return nodes; |
3108 | var results = [], n; |
3109 | for (var i = 0, l = nodes.length; i < l; i++) |
3110 | if (!(n = nodes[i])._countedByPrototype) { |
3111 | n._countedByPrototype = Prototype.emptyFunction; |
3112 | results.push(Element.extend(n)); |
3113 | } |
3114 | return Selector.handlers.unmark(results); |
3115 | }, |
3116 | |
3117 | // COMBINATOR FUNCTIONS |
3118 | descendant: function(nodes) { |
3119 | var h = Selector.handlers; |
3120 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3121 | h.concat(results, node.getElementsByTagName('*')); |
3122 | return results; |
3123 | }, |
3124 | |
3125 | child: function(nodes) { |
3126 | var h = Selector.handlers; |
3127 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3128 | for (var j = 0, child; child = node.childNodes[j]; j++) |
3129 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
3130 | } |
3131 | return results; |
3132 | }, |
3133 | |
3134 | adjacent: function(nodes) { |
3135 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3136 | var next = this.nextElementSibling(node); |
3137 | if (next) results.push(next); |
3138 | } |
3139 | return results; |
3140 | }, |
3141 | |
3142 | laterSibling: function(nodes) { |
3143 | var h = Selector.handlers; |
3144 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3145 | h.concat(results, Element.nextSiblings(node)); |
3146 | return results; |
3147 | }, |
3148 | |
3149 | nextElementSibling: function(node) { |
3150 | while (node = node.nextSibling) |
3151 | if (node.nodeType == 1) return node; |
3152 | return null; |
3153 | }, |
3154 | |
3155 | previousElementSibling: function(node) { |
3156 | while (node = node.previousSibling) |
3157 | if (node.nodeType == 1) return node; |
3158 | return null; |
3159 | }, |
3160 | |
3161 | // TOKEN FUNCTIONS |
3162 | tagName: function(nodes, root, tagName, combinator) { |
3163 | var uTagName = tagName.toUpperCase(); |
3164 | var results = [], h = Selector.handlers; |
3165 | if (nodes) { |
3166 | if (combinator) { |
3167 | // fastlane for ordinary descendant combinators |
3168 | if (combinator == "descendant") { |
3169 | for (var i = 0, node; node = nodes[i]; i++) |
3170 | h.concat(results, node.getElementsByTagName(tagName)); |
3171 | return results; |
3172 | } else nodes = this[combinator](nodes); |
3173 | if (tagName == "*") return nodes; |
3174 | } |
3175 | for (var i = 0, node; node = nodes[i]; i++) |
3176 | if (node.tagName.toUpperCase() === uTagName) results.push(node); |
3177 | return results; |
3178 | } else return root.getElementsByTagName(tagName); |
3179 | }, |
3180 | |
3181 | id: function(nodes, root, id, combinator) { |
3182 | var targetNode = $(id), h = Selector.handlers; |
3183 | if (!targetNode) return []; |
3184 | if (!nodes && root == document) return [targetNode]; |
3185 | if (nodes) { |
3186 | if (combinator) { |
3187 | if (combinator == 'child') { |
3188 | for (var i = 0, node; node = nodes[i]; i++) |
3189 | if (targetNode.parentNode == node) return [targetNode]; |
3190 | } else if (combinator == 'descendant') { |
3191 | for (var i = 0, node; node = nodes[i]; i++) |
3192 | if (Element.descendantOf(targetNode, node)) return [targetNode]; |
3193 | } else if (combinator == 'adjacent') { |
3194 | for (var i = 0, node; node = nodes[i]; i++) |
3195 | if (Selector.handlers.previousElementSibling(targetNode) == node) |
3196 | return [targetNode]; |
3197 | } else nodes = h[combinator](nodes); |
3198 | } |
3199 | for (var i = 0, node; node = nodes[i]; i++) |
3200 | if (node == targetNode) return [targetNode]; |
3201 | return []; |
3202 | } |
3203 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
3204 | }, |
3205 | |
3206 | className: function(nodes, root, className, combinator) { |
3207 | if (nodes && combinator) nodes = this[combinator](nodes); |
3208 | return Selector.handlers.byClassName(nodes, root, className); |
3209 | }, |
3210 | |
3211 | byClassName: function(nodes, root, className) { |
3212 | if (!nodes) nodes = Selector.handlers.descendant([root]); |
3213 | var needle = ' ' + className + ' '; |
3214 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
3215 | nodeClassName = node.className; |
3216 | if (nodeClassName.length == 0) continue; |
3217 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
3218 | results.push(node); |
3219 | } |
3220 | return results; |
3221 | }, |
3222 | |
3223 | attrPresence: function(nodes, root, attr, combinator) { |
3224 | if (!nodes) nodes = root.getElementsByTagName("*"); |
3225 | if (nodes && combinator) nodes = this[combinator](nodes); |
3226 | var results = []; |
3227 | for (var i = 0, node; node = nodes[i]; i++) |
3228 | if (Element.hasAttribute(node, attr)) results.push(node); |
3229 | return results; |
3230 | }, |
3231 | |
3232 | attr: function(nodes, root, attr, value, operator, combinator) { |
3233 | if (!nodes) nodes = root.getElementsByTagName("*"); |
3234 | if (nodes && combinator) nodes = this[combinator](nodes); |
3235 | var handler = Selector.operators[operator], results = []; |
3236 | for (var i = 0, node; node = nodes[i]; i++) { |
3237 | var nodeValue = Element.readAttribute(node, attr); |
3238 | if (nodeValue === null) continue; |
3239 | if (handler(nodeValue, value)) results.push(node); |
3240 | } |
3241 | return results; |
3242 | }, |
3243 | |
3244 | pseudo: function(nodes, name, value, root, combinator) { |
3245 | if (nodes && combinator) nodes = this[combinator](nodes); |
3246 | if (!nodes) nodes = root.getElementsByTagName("*"); |
3247 | return Selector.pseudos[name](nodes, value, root); |
3248 | } |
3249 | }, |
3250 | |
3251 | pseudos: { |
3252 | 'first-child': function(nodes, value, root) { |
3253 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3254 | if (Selector.handlers.previousElementSibling(node)) continue; |
3255 | results.push(node); |
3256 | } |
3257 | return results; |
3258 | }, |
3259 | 'last-child': function(nodes, value, root) { |
3260 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3261 | if (Selector.handlers.nextElementSibling(node)) continue; |
3262 | results.push(node); |
3263 | } |
3264 | return results; |
3265 | }, |
3266 | 'only-child': function(nodes, value, root) { |
3267 | var h = Selector.handlers; |
3268 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3269 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
3270 | results.push(node); |
3271 | return results; |
3272 | }, |
3273 | 'nth-child': function(nodes, formula, root) { |
3274 | return Selector.pseudos.nth(nodes, formula, root); |
3275 | }, |
3276 | 'nth-last-child': function(nodes, formula, root) { |
3277 | return Selector.pseudos.nth(nodes, formula, root, true); |
3278 | }, |
3279 | 'nth-of-type': function(nodes, formula, root) { |
3280 | return Selector.pseudos.nth(nodes, formula, root, false, true); |
3281 | }, |
3282 | 'nth-last-of-type': function(nodes, formula, root) { |
3283 | return Selector.pseudos.nth(nodes, formula, root, true, true); |
3284 | }, |
3285 | 'first-of-type': function(nodes, formula, root) { |
3286 | return Selector.pseudos.nth(nodes, "1", root, false, true); |
3287 | }, |
3288 | 'last-of-type': function(nodes, formula, root) { |
3289 | return Selector.pseudos.nth(nodes, "1", root, true, true); |
3290 | }, |
3291 | 'only-of-type': function(nodes, formula, root) { |
3292 | var p = Selector.pseudos; |
3293 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
3294 | }, |
3295 | |
3296 | // handles the an+b logic |
3297 | getIndices: function(a, b, total) { |
3298 | if (a == 0) return b > 0 ? [b] : []; |
3299 | return $R(1, total).inject([], function(memo, i) { |
3300 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
3301 | return memo; |
3302 | }); |
3303 | }, |
3304 | |
3305 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
3306 | nth: function(nodes, formula, root, reverse, ofType) { |
3307 | if (nodes.length == 0) return []; |
3308 | if (formula == 'even') formula = '2n+0'; |
3309 | if (formula == 'odd') formula = '2n+1'; |
3310 | var h = Selector.handlers, results = [], indexed = [], m; |
3311 | h.mark(nodes); |
3312 | for (var i = 0, node; node = nodes[i]; i++) { |
3313 | if (!node.parentNode._countedByPrototype) { |
3314 | h.index(node.parentNode, reverse, ofType); |
3315 | indexed.push(node.parentNode); |
3316 | } |
3317 | } |
3318 | if (formula.match(/^\d+$/)) { // just a number |
3319 | formula = Number(formula); |
3320 | for (var i = 0, node; node = nodes[i]; i++) |
3321 | if (node.nodeIndex == formula) results.push(node); |
3322 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
3323 | if (m[1] == "-") m[1] = -1; |
3324 | var a = m[1] ? Number(m[1]) : 1; |
3325 | var b = m[2] ? Number(m[2]) : 0; |
3326 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
3327 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
3328 | for (var j = 0; j < l; j++) |
3329 | if (node.nodeIndex == indices[j]) results.push(node); |
3330 | } |
3331 | } |
3332 | h.unmark(nodes); |
3333 | h.unmark(indexed); |
3334 | return results; |
3335 | }, |
3336 | |
3337 | 'empty': function(nodes, value, root) { |
3338 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3339 | // IE treats comments as element nodes |
3340 | if (node.tagName == '!' || node.firstChild) continue; |
3341 | results.push(node); |
3342 | } |
3343 | return results; |
3344 | }, |
3345 | |
3346 | 'not': function(nodes, selector, root) { |
3347 | var h = Selector.handlers, selectorType, m; |
3348 | var exclusions = new Selector(selector).findElements(root); |
3349 | h.mark(exclusions); |
3350 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3351 | if (!node._countedByPrototype) results.push(node); |
3352 | h.unmark(exclusions); |
3353 | return results; |
3354 | }, |
3355 | |
3356 | 'enabled': function(nodes, value, root) { |
3357 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3358 | if (!node.disabled && (!node.type || node.type !== 'hidden')) |
3359 | results.push(node); |
3360 | return results; |
3361 | }, |
3362 | |
3363 | 'disabled': function(nodes, value, root) { |
3364 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3365 | if (node.disabled) results.push(node); |
3366 | return results; |
3367 | }, |
3368 | |
3369 | 'checked': function(nodes, value, root) { |
3370 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3371 | if (node.checked) results.push(node); |
3372 | return results; |
3373 | } |
3374 | }, |
3375 | |
3376 | operators: { |
3377 | '=': function(nv, v) { return nv == v; }, |
3378 | '!=': function(nv, v) { return nv != v; }, |
3379 | '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); }, |
3380 | '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); }, |
3381 | '*=': function(nv, v) { return nv == v || nv && nv.include(v); }, |
3382 | '$=': function(nv, v) { return nv.endsWith(v); }, |
3383 | '*=': function(nv, v) { return nv.include(v); }, |
3384 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
3385 | '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() + |
3386 | '-').include('-' + (v || "").toUpperCase() + '-'); } |
3387 | }, |
3388 | |
3389 | split: function(expression) { |
3390 | var expressions = []; |
3391 | expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
3392 | expressions.push(m[1].strip()); |
3393 | }); |
3394 | return expressions; |
3395 | }, |
3396 | |
3397 | matchElements: function(elements, expression) { |
3398 | var matches = $$(expression), h = Selector.handlers; |
3399 | h.mark(matches); |
3400 | for (var i = 0, results = [], element; element = elements[i]; i++) |
3401 | if (element._countedByPrototype) results.push(element); |
3402 | h.unmark(matches); |
3403 | return results; |
3404 | }, |
3405 | |
3406 | findElement: function(elements, expression, index) { |
3407 | if (Object.isNumber(expression)) { |
3408 | index = expression; expression = false; |
3409 | } |
3410 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
3411 | }, |
3412 | |
3413 | findChildElements: function(element, expressions) { |
3414 | expressions = Selector.split(expressions.join(',')); |
3415 | var results = [], h = Selector.handlers; |
3416 | for (var i = 0, l = expressions.length, selector; i < l; i++) { |
3417 | selector = new Selector(expressions[i].strip()); |
3418 | h.concat(results, selector.findElements(element)); |
3419 | } |
3420 | return (l > 1) ? h.unique(results) : results; |
3421 | } |
3422 | }); |
3423 | |
3424 | if (Prototype.Browser.IE) { |
3425 | Object.extend(Selector.handlers, { |
3426 | // IE returns comment nodes on getElementsByTagName("*"). |
3427 | // Filter them out. |
3428 | concat: function(a, b) { |
3429 | for (var i = 0, node; node = b[i]; i++) |
3430 | if (node.tagName !== "!") a.push(node); |
3431 | return a; |
3432 | }, |
3433 | |
3434 | // IE improperly serializes _countedByPrototype in (inner|outer)HTML. |
3435 | unmark: function(nodes) { |
3436 | for (var i = 0, node; node = nodes[i]; i++) |
3437 | node.removeAttribute('_countedByPrototype'); |
3438 | return nodes; |
3439 | } |
3440 | }); |
3441 | } |
3442 | |
3443 | function $$() { |
3444 | return Selector.findChildElements(document, $A(arguments)); |
3445 | } |
3446 | var Form = { |
3447 | reset: function(form) { |
3448 | $(form).reset(); |
3449 | return form; |
3450 | }, |
3451 | |
3452 | serializeElements: function(elements, options) { |
3453 | if (typeof options != 'object') options = { hash: !!options }; |
3454 | else if (Object.isUndefined(options.hash)) options.hash = true; |
3455 | var key, value, submitted = false, submit = options.submit; |
3456 | |
3457 | var data = elements.inject({ }, function(result, element) { |
3458 | if (!element.disabled && element.name) { |
3459 | key = element.name; value = $(element).getValue(); |
3460 | if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted && |
3461 | submit !== false && (!submit || key == submit) && (submitted = true)))) { |
3462 | if (key in result) { |
3463 | // a key is already present; construct an array of values |
3464 | if (!Object.isArray(result[key])) result[key] = [result[key]]; |
3465 | result[key].push(value); |
3466 | } |
3467 | else result[key] = value; |
3468 | } |
3469 | } |
3470 | return result; |
3471 | }); |
3472 | |
3473 | return options.hash ? data : Object.toQueryString(data); |
3474 | } |
3475 | }; |
3476 | |
3477 | Form.Methods = { |
3478 | serialize: function(form, options) { |
3479 | return Form.serializeElements(Form.getElements(form), options); |
3480 | }, |
3481 | |
3482 | getElements: function(form) { |
3483 | return $A($(form).getElementsByTagName('*')).inject([], |
3484 | function(elements, child) { |
3485 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
3486 | elements.push(Element.extend(child)); |
3487 | return elements; |
3488 | } |
3489 | ); |
3490 | }, |
3491 | |
3492 | getInputs: function(form, typeName, name) { |
3493 | form = $(form); |
3494 | var inputs = form.getElementsByTagName('input'); |
3495 | |
3496 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
3497 | |
3498 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
3499 | var input = inputs[i]; |
3500 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
3501 | continue; |
3502 | matchingInputs.push(Element.extend(input)); |
3503 | } |
3504 | |
3505 | return matchingInputs; |
3506 | }, |
3507 | |
3508 | disable: function(form) { |
3509 | form = $(form); |
3510 | Form.getElements(form).invoke('disable'); |
3511 | return form; |
3512 | }, |
3513 | |
3514 | enable: function(form) { |
3515 | form = $(form); |
3516 | Form.getElements(form).invoke('enable'); |
3517 | return form; |
3518 | }, |
3519 | |
3520 | findFirstElement: function(form) { |
3521 | var elements = $(form).getElements().findAll(function(element) { |
3522 | return 'hidden' != element.type && !element.disabled; |
3523 | }); |
3524 | var firstByIndex = elements.findAll(function(element) { |
3525 | return element.hasAttribute('tabIndex') && element.tabIndex >= 0; |
3526 | }).sortBy(function(element) { return element.tabIndex }).first(); |
3527 | |
3528 | return firstByIndex ? firstByIndex : elements.find(function(element) { |
3529 | return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
3530 | }); |
3531 | }, |
3532 | |
3533 | focusFirstElement: function(form) { |
3534 | form = $(form); |
3535 | form.findFirstElement().activate(); |
3536 | return form; |
3537 | }, |
3538 | |
3539 | request: function(form, options) { |
3540 | form = $(form), options = Object.clone(options || { }); |
3541 | |
3542 | var params = options.parameters, action = form.readAttribute('action') || ''; |
3543 | if (action.blank()) action = window.location.href; |
3544 | options.parameters = form.serialize(true); |
3545 | |
3546 | if (params) { |
3547 | if (Object.isString(params)) params = params.toQueryParams(); |
3548 | Object.extend(options.parameters, params); |
3549 | } |
3550 | |
3551 | if (form.hasAttribute('method') && !options.method) |
3552 | options.method = form.method; |
3553 | |
3554 | return new Ajax.Request(action, options); |
3555 | } |
3556 | }; |
3557 | |
3558 | /*--------------------------------------------------------------------------*/ |
3559 | |
3560 | Form.Element = { |
3561 | focus: function(element) { |
3562 | $(element).focus(); |
3563 | return element; |
3564 | }, |
3565 | |
3566 | select: function(element) { |
3567 | $(element).select(); |
3568 | return element; |
3569 | } |
3570 | }; |
3571 | |
3572 | Form.Element.Methods = { |
3573 | serialize: function(element) { |
3574 | element = $(element); |
3575 | if (!element.disabled && element.name) { |
3576 | var value = element.getValue(); |
3577 | if (value != undefined) { |
3578 | var pair = { }; |
3579 | pair[element.name] = value; |
3580 | return Object.toQueryString(pair); |
3581 | } |
3582 | } |
3583 | return ''; |
3584 | }, |
3585 | |
3586 | getValue: function(element) { |
3587 | element = $(element); |
3588 | var method = element.tagName.toLowerCase(); |
3589 | return Form.Element.Serializers[method](element); |
3590 | }, |
3591 | |
3592 | setValue: function(element, value) { |
3593 | element = $(element); |
3594 | var method = element.tagName.toLowerCase(); |
3595 | Form.Element.Serializers[method](element, value); |
3596 | return element; |
3597 | }, |
3598 | |
3599 | clear: function(element) { |
3600 | $(element).value = ''; |
3601 | return element; |
3602 | }, |
3603 | |
3604 | present: function(element) { |
3605 | return $(element).value != ''; |
3606 | }, |
3607 | |
3608 | activate: function(element) { |
3609 | element = $(element); |
3610 | try { |
3611 | element.focus(); |
3612 | if (element.select && (element.tagName.toLowerCase() != 'input' || |
3613 | !['button', 'reset', 'submit'].include(element.type))) |
3614 | element.select(); |
3615 | } catch (e) { } |
3616 | return element; |
3617 | }, |
3618 | |
3619 | disable: function(element) { |
3620 | element = $(element); |
3621 | element.disabled = true; |
3622 | return element; |
3623 | }, |
3624 | |
3625 | enable: function(element) { |
3626 | element = $(element); |
3627 | element.disabled = false; |
3628 | return element; |
3629 | } |
3630 | }; |
3631 | |
3632 | /*--------------------------------------------------------------------------*/ |
3633 | |
3634 | var Field = Form.Element; |
3635 | var $F = Form.Element.Methods.getValue; |
3636 | |
3637 | /*--------------------------------------------------------------------------*/ |
3638 | |
3639 | Form.Element.Serializers = { |
3640 | input: function(element, value) { |
3641 | switch (element.type.toLowerCase()) { |
3642 | case 'checkbox': |
3643 | case 'radio': |
3644 | return Form.Element.Serializers.inputSelector(element, value); |
3645 | default: |
3646 | return Form.Element.Serializers.textarea(element, value); |
3647 | } |
3648 | }, |
3649 | |
3650 | inputSelector: function(element, value) { |
3651 | if (Object.isUndefined(value)) return element.checked ? element.value : null; |
3652 | else element.checked = !!value; |
3653 | }, |
3654 | |
3655 | textarea: function(element, value) { |
3656 | if (Object.isUndefined(value)) return element.value; |
3657 | else element.value = value; |
3658 | }, |
3659 | |
3660 | select: function(element, value) { |
3661 | if (Object.isUndefined(value)) |
3662 | return this[element.type == 'select-one' ? |
3663 | 'selectOne' : 'selectMany'](element); |
3664 | else { |
3665 | var opt, currentValue, single = !Object.isArray(value); |
3666 | for (var i = 0, length = element.length; i < length; i++) { |
3667 | opt = element.options[i]; |
3668 | currentValue = this.optionValue(opt); |
3669 | if (single) { |
3670 | if (currentValue == value) { |
3671 | opt.selected = true; |
3672 | return; |
3673 | } |
3674 | } |
3675 | else opt.selected = value.include(currentValue); |
3676 | } |
3677 | } |
3678 | }, |
3679 | |
3680 | selectOne: function(element) { |
3681 | var index = element.selectedIndex; |
3682 | return index >= 0 ? this.optionValue(element.options[index]) : null; |
3683 | }, |
3684 | |
3685 | selectMany: function(element) { |
3686 | var values, length = element.length; |
3687 | if (!length) return null; |
3688 | |
3689 | for (var i = 0, values = []; i < length; i++) { |
3690 | var opt = element.options[i]; |
3691 | if (opt.selected) values.push(this.optionValue(opt)); |
3692 | } |
3693 | return values; |
3694 | }, |
3695 | |
3696 | optionValue: function(opt) { |
3697 | // extend element because hasAttribute may not be native |
3698 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
3699 | } |
3700 | }; |
3701 | |
3702 | /*--------------------------------------------------------------------------*/ |
3703 | |
3704 | Abstract.TimedObserver = Class.create(PeriodicalExecuter, { |
3705 | initialize: function($super, element, frequency, callback) { |
3706 | $super(callback, frequency); |
3707 | this.element = $(element); |
3708 | this.lastValue = this.getValue(); |
3709 | }, |
3710 | |
3711 | execute: function() { |
3712 | var value = this.getValue(); |
3713 | if (Object.isString(this.lastValue) && Object.isString(value) ? |
3714 | this.lastValue != value : String(this.lastValue) != String(value)) { |
3715 | this.callback(this.element, value); |
3716 | this.lastValue = value; |
3717 | } |
3718 | } |
3719 | }); |
3720 | |
3721 | Form.Element.Observer = Class.create(Abstract.TimedObserver, { |
3722 | getValue: function() { |
3723 | return Form.Element.getValue(this.element); |
3724 | } |
3725 | }); |
3726 | |
3727 | Form.Observer = Class.create(Abstract.TimedObserver, { |
3728 | getValue: function() { |
3729 | return Form.serialize(this.element); |
3730 | } |
3731 | }); |
3732 | |
3733 | /*--------------------------------------------------------------------------*/ |
3734 | |
3735 | Abstract.EventObserver = Class.create({ |
3736 | initialize: function(element, callback) { |
3737 | this.element = $(element); |
3738 | this.callback = callback; |
3739 | |
3740 | this.lastValue = this.getValue(); |
3741 | if (this.element.tagName.toLowerCase() == 'form') |
3742 | this.registerFormCallbacks(); |
3743 | else |
3744 | this.registerCallback(this.element); |
3745 | }, |
3746 | |
3747 | onElementEvent: function() { |
3748 | var value = this.getValue(); |
3749 | if (this.lastValue != value) { |
3750 | this.callback(this.element, value); |
3751 | this.lastValue = value; |
3752 | } |
3753 | }, |
3754 | |
3755 | registerFormCallbacks: function() { |
3756 | Form.getElements(this.element).each(this.registerCallback, this); |
3757 | }, |
3758 | |
3759 | registerCallback: function(element) { |
3760 | if (element.type) { |
3761 | switch (element.type.toLowerCase()) { |
3762 | case 'checkbox': |
3763 | case 'radio': |
3764 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
3765 | break; |
3766 | default: |
3767 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
3768 | break; |
3769 | } |
3770 | } |
3771 | } |
3772 | }); |
3773 | |
3774 | Form.Element.EventObserver = Class.create(Abstract.EventObserver, { |
3775 | getValue: function() { |
3776 | return Form.Element.getValue(this.element); |
3777 | } |
3778 | }); |
3779 | |
3780 | Form.EventObserver = Class.create(Abstract.EventObserver, { |
3781 | getValue: function() { |
3782 | return Form.serialize(this.element); |
3783 | } |
3784 | }); |
3785 | if (!window.Event) var Event = { }; |
3786 | |
3787 | Object.extend(Event, { |
3788 | KEY_BACKSPACE: 8, |
3789 | KEY_TAB: 9, |
3790 | KEY_RETURN: 13, |
3791 | KEY_ESC: 27, |
3792 | KEY_LEFT: 37, |
3793 | KEY_UP: 38, |
3794 | KEY_RIGHT: 39, |
3795 | KEY_DOWN: 40, |
3796 | KEY_DELETE: 46, |
3797 | KEY_HOME: 36, |
3798 | KEY_END: 35, |
3799 | KEY_PAGEUP: 33, |
3800 | KEY_PAGEDOWN: 34, |
3801 | KEY_INSERT: 45, |
3802 | |
3803 | cache: { }, |
3804 | |
3805 | relatedTarget: function(event) { |
3806 | var element; |
3807 | switch(event.type) { |
3808 | case 'mouseover': element = event.fromElement; break; |
3809 | case 'mouseout': element = event.toElement; break; |
3810 | default: return null; |
3811 | } |
3812 | return Element.extend(element); |
3813 | } |
3814 | }); |
3815 | |
3816 | Event.Methods = (function() { |
3817 | var isButton; |
3818 | |
3819 | if (Prototype.Browser.IE) { |
3820 | var buttonMap = { 0: 1, 1: 4, 2: 2 }; |
3821 | isButton = function(event, code) { |
3822 | return event.button == buttonMap[code]; |
3823 | }; |
3824 | |
3825 | } else if (Prototype.Browser.WebKit) { |
3826 | isButton = function(event, code) { |
3827 | switch (code) { |
3828 | case 0: return event.which == 1 && !event.metaKey; |
3829 | case 1: return event.which == 1 && event.metaKey; |
3830 | default: return false; |
3831 | } |
3832 | }; |
3833 | |
3834 | } else { |
3835 | isButton = function(event, code) { |
3836 | return event.which ? (event.which === code + 1) : (event.button === code); |
3837 | }; |
3838 | } |
3839 | |
3840 | return { |
3841 | isLeftClick: function(event) { return isButton(event, 0) }, |
3842 | isMiddleClick: function(event) { return isButton(event, 1) }, |
3843 | isRightClick: function(event) { return isButton(event, 2) }, |
3844 | |
3845 | element: function(event) { |
3846 | event = Event.extend(event); |
3847 | |
3848 | var node = event.target, |
3849 | type = event.type, |
3850 | currentTarget = event.currentTarget; |
3851 | |
3852 | if (currentTarget && currentTarget.tagName) { |
3853 | // Firefox screws up the "click" event when moving between radio buttons |
3854 | // via arrow keys. It also screws up the "load" and "error" events on images, |
3855 | // reporting the document as the target instead of the original image. |
3856 | if (type === 'load' || type === 'error' || |
3857 | (type === 'click' && currentTarget.tagName.toLowerCase() === 'input' |
3858 | && currentTarget.type === 'radio')) |
3859 | node = currentTarget; |
3860 | } |
3861 | if (node.nodeType == Node.TEXT_NODE) node = node.parentNode; |
3862 | return Element.extend(node); |
3863 | }, |
3864 | |
3865 | findElement: function(event, expression) { |
3866 | var element = Event.element(event); |
3867 | if (!expression) return element; |
3868 | var elements = [element].concat(element.ancestors()); |
3869 | return Selector.findElement(elements, expression, 0); |
3870 | }, |
3871 | |
3872 | pointer: function(event) { |
3873 | var docElement = document.documentElement, |
3874 | body = document.body || { scrollLeft: 0, scrollTop: 0 }; |
3875 | return { |
3876 | x: event.pageX || (event.clientX + |
3877 | (docElement.scrollLeft || body.scrollLeft) - |
3878 | (docElement.clientLeft || 0)), |
3879 | y: event.pageY || (event.clientY + |
3880 | (docElement.scrollTop || body.scrollTop) - |
3881 | (docElement.clientTop || 0)) |
3882 | }; |
3883 | }, |
3884 | |
3885 | pointerX: function(event) { return Event.pointer(event).x }, |
3886 | pointerY: function(event) { return Event.pointer(event).y }, |
3887 | |
3888 | stop: function(event) { |
3889 | Event.extend(event); |
3890 | event.preventDefault(); |
3891 | event.stopPropagation(); |
3892 | event.stopped = true; |
3893 | } |
3894 | }; |
3895 | })(); |
3896 | |
3897 | Event.extend = (function() { |
3898 | var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { |
3899 | m[name] = Event.Methods[name].methodize(); |
3900 | return m; |
3901 | }); |
3902 | |
3903 | if (Prototype.Browser.IE) { |
3904 | Object.extend(methods, { |
3905 | stopPropagation: function() { this.cancelBubble = true }, |
3906 | preventDefault: function() { this.returnValue = false }, |
3907 | inspect: function() { return "[object Event]" } |
3908 | }); |
3909 | |
3910 | return function(event) { |
3911 | if (!event) return false; |
3912 | if (event._extendedByPrototype) return event; |
3913 | |
3914 | event._extendedByPrototype = Prototype.emptyFunction; |
3915 | var pointer = Event.pointer(event); |
3916 | Object.extend(event, { |
3917 | target: event.srcElement, |
3918 | relatedTarget: Event.relatedTarget(event), |
3919 | pageX: pointer.x, |
3920 | pageY: pointer.y |
3921 | }); |
3922 | return Object.extend(event, methods); |
3923 | }; |
3924 | |
3925 | } else { |
3926 | Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__']; |
3927 | Object.extend(Event.prototype, methods); |
3928 | return Prototype.K; |
3929 | } |
3930 | })(); |
3931 | |
3932 | Object.extend(Event, (function() { |
3933 | var cache = Event.cache; |
3934 | |
3935 | function getEventID(element) { |
3936 | if (element._prototypeEventID) return element._prototypeEventID[0]; |
3937 | arguments.callee.id = arguments.callee.id || 1; |
3938 | return element._prototypeEventID = [++arguments.callee.id]; |
3939 | } |
3940 | |
3941 | function getDOMEventName(eventName) { |
3942 | if (eventName && eventName.include(':')) return "dataavailable"; |
3943 | return eventName; |
3944 | } |
3945 | |
3946 | function getCacheForID(id) { |
3947 | return cache[id] = cache[id] || { }; |
3948 | } |
3949 | |
3950 | function getWrappersForEventName(id, eventName) { |
3951 | var c = getCacheForID(id); |
3952 | return c[eventName] = c[eventName] || []; |
3953 | } |
3954 | |
3955 | function createWrapper(element, eventName, handler) { |
3956 | var id = getEventID(element); |
3957 | var c = getWrappersForEventName(id, eventName); |
3958 | if (c.pluck("handler").include(handler)) return false; |
3959 | |
3960 | var wrapper = function(event) { |
3961 | if (!Event || !Event.extend || |
3962 | (event.eventName && event.eventName != eventName)) |
3963 | return false; |
3964 | |
3965 | Event.extend(event); |
3966 | handler.call(element, event); |
3967 | }; |
3968 | |
3969 | wrapper.handler = handler; |
3970 | c.push(wrapper); |
3971 | return wrapper; |
3972 | } |
3973 | |
3974 | function findWrapper(id, eventName, handler) { |
3975 | var c = getWrappersForEventName(id, eventName); |
3976 | return c.find(function(wrapper) { return wrapper.handler == handler }); |
3977 | } |
3978 | |
3979 | function destroyWrapper(id, eventName, handler) { |
3980 | var c = getCacheForID(id); |
3981 | if (!c[eventName]) return false; |
3982 | c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); |
3983 | } |
3984 | |
3985 | function destroyCache() { |
3986 | for (var id in cache) |
3987 | for (var eventName in cache[id]) |
3988 | cache[id][eventName] = null; |
3989 | } |
3990 | |
3991 | |
3992 | // Internet Explorer needs to remove event handlers on page unload |
3993 | // in order to avoid memory leaks. |
3994 | if (window.attachEvent) { |
3995 | window.attachEvent("onunload", destroyCache); |
3996 | } |
3997 | |
3998 | // Safari has a dummy event handler on page unload so that it won't |
3999 | // use its bfcache. Safari <= 3.1 has an issue with restoring the "document" |
4000 | // object when page is returned to via the back button using its bfcache. |
4001 | if (Prototype.Browser.WebKit) { |
4002 | window.addEventListener('unload', Prototype.emptyFunction, false); |
4003 | } |
4004 | |
4005 | return { |
4006 | observe: function(element, eventName, handler) { |
4007 | element = $(element); |
4008 | var name = getDOMEventName(eventName); |
4009 | |
4010 | var wrapper = createWrapper(element, eventName, handler); |
4011 | if (!wrapper) return element; |
4012 | |
4013 | if (element.addEventListener) { |
4014 | element.addEventListener(name, wrapper, false); |
4015 | } else { |
4016 | element.attachEvent("on" + name, wrapper); |
4017 | } |
4018 | |
4019 | return element; |
4020 | }, |
4021 | |
4022 | stopObserving: function(element, eventName, handler) { |
4023 | element = $(element); |
4024 | var id = getEventID(element), name = getDOMEventName(eventName); |
4025 | |
4026 | if (!handler && eventName) { |
4027 | getWrappersForEventName(id, eventName).each(function(wrapper) { |
4028 | element.stopObserving(eventName, wrapper.handler); |
4029 | }); |
4030 | return element; |
4031 | |
4032 | } else if (!eventName) { |
4033 | Object.keys(getCacheForID(id)).each(function(eventName) { |
4034 | element.stopObserving(eventName); |
4035 | }); |
4036 | return element; |
4037 | } |
4038 | |
4039 | var wrapper = findWrapper(id, eventName, handler); |
4040 | if (!wrapper) return element; |
4041 | |
4042 | if (element.removeEventListener) { |
4043 | element.removeEventListener(name, wrapper, false); |
4044 | } else { |
4045 | element.detachEvent("on" + name, wrapper); |
4046 | } |
4047 | |
4048 | destroyWrapper(id, eventName, handler); |
4049 | |
4050 | return element; |
4051 | }, |
4052 | |
4053 | fire: function(element, eventName, memo) { |
4054 | element = $(element); |
4055 | if (element == document && document.createEvent && !element.dispatchEvent) |
4056 | element = document.documentElement; |
4057 | |
4058 | var event; |
4059 | if (document.createEvent) { |
4060 | event = document.createEvent("HTMLEvents"); |
4061 | event.initEvent("dataavailable", true, true); |
4062 | } else { |
4063 | event = document.createEventObject(); |
4064 | event.eventType = "ondataavailable"; |
4065 | } |
4066 | |
4067 | event.eventName = eventName; |
4068 | event.memo = memo || { }; |
4069 | |
4070 | if (document.createEvent) { |
4071 | element.dispatchEvent(event); |
4072 | } else { |
4073 | element.fireEvent(event.eventType, event); |
4074 | } |
4075 | |
4076 | return Event.extend(event); |
4077 | } |
4078 | }; |
4079 | })()); |
4080 | |
4081 | Object.extend(Event, Event.Methods); |
4082 | |
4083 | Element.addMethods({ |
4084 | fire: Event.fire, |
4085 | observe: Event.observe, |
4086 | stopObserving: Event.stopObserving |
4087 | }); |
4088 | |
4089 | Object.extend(document, { |
4090 | fire: Element.Methods.fire.methodize(), |
4091 | observe: Element.Methods.observe.methodize(), |
4092 | stopObserving: Element.Methods.stopObserving.methodize(), |
4093 | loaded: false |
4094 | }); |
4095 | |
4096 | (function() { |
4097 | /* Support for the DOMContentLoaded event is based on work by Dan Webb, |
4098 | Matthias Miller, Dean Edwards and John Resig. */ |
4099 | |
4100 | var timer; |
4101 | |
4102 | function fireContentLoadedEvent() { |
4103 | if (document.loaded) return; |
4104 | if (timer) window.clearInterval(timer); |
4105 | document.fire("dom:loaded"); |
4106 | document.loaded = true; |
4107 | } |
4108 | |
4109 | if (document.addEventListener) { |
4110 | if (Prototype.Browser.WebKit) { |
4111 | timer = window.setInterval(function() { |
4112 | if (/loaded|complete/.test(document.readyState)) |
4113 | fireContentLoadedEvent(); |
4114 | }, 0); |
4115 | |
4116 | Event.observe(window, "load", fireContentLoadedEvent); |
4117 | |
4118 | } else { |
4119 | document.addEventListener("DOMContentLoaded", |
4120 | fireContentLoadedEvent, false); |
4121 | } |
4122 | |
4123 | } else { |
4124 | document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); |
4125 | $("__onDOMContentLoaded").onreadystatechange = function() { |
4126 | if (this.readyState == "complete") { |
4127 | this.onreadystatechange = null; |
4128 | fireContentLoadedEvent(); |
4129 | } |
4130 | }; |
4131 | } |
4132 | })(); |
4133 | /*------------------------------- DEPRECATED -------------------------------*/ |
4134 | |
4135 | Hash.toQueryString = Object.toQueryString; |
4136 | |
4137 | var Toggle = { display: Element.toggle }; |
4138 | |
4139 | Element.Methods.childOf = Element.Methods.descendantOf; |
4140 | |
4141 | var Insertion = { |
4142 | Before: function(element, content) { |
4143 | return Element.insert(element, {before:content}); |
4144 | }, |
4145 | |
4146 | Top: function(element, content) { |
4147 | return Element.insert(element, {top:content}); |
4148 | }, |
4149 | |
4150 | Bottom: function(element, content) { |
4151 | return Element.insert(element, {bottom:content}); |
4152 | }, |
4153 | |
4154 | After: function(element, content) { |
4155 | return Element.insert(element, {after:content}); |
4156 | } |
4157 | }; |
4158 | |
4159 | var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
4160 | |
4161 | // This should be moved to script.aculo.us; notice the deprecated methods |
4162 | // further below, that map to the newer Element methods. |
4163 | var Position = { |
4164 | // set to true if needed, warning: firefox performance problems |
4165 | // NOT neeeded for page scrolling, only if draggable contained in |
4166 | // scrollable elements |
4167 | includeScrollOffsets: false, |
4168 | |
4169 | // must be called before calling withinIncludingScrolloffset, every time the |
4170 | // page is scrolled |
4171 | prepare: function() { |
4172 | this.deltaX = window.pageXOffset |
4173 | || document.documentElement.scrollLeft |
4174 | || document.body.scrollLeft |
4175 | || 0; |
4176 | this.deltaY = window.pageYOffset |
4177 | || document.documentElement.scrollTop |
4178 | || document.body.scrollTop |
4179 | || 0; |
4180 | }, |
4181 | |
4182 | // caches x/y coordinate pair to use with overlap |
4183 | within: function(element, x, y) { |
4184 | if (this.includeScrollOffsets) |
4185 | return this.withinIncludingScrolloffsets(element, x, y); |
4186 | this.xcomp = x; |
4187 | this.ycomp = y; |
4188 | this.offset = Element.cumulativeOffset(element); |
4189 | |
4190 | return (y >= this.offset[1] && |
4191 | y < this.offset[1] + element.offsetHeight && |
4192 | x >= this.offset[0] && |
4193 | x < this.offset[0] + element.offsetWidth); |
4194 | }, |
4195 | |
4196 | withinIncludingScrolloffsets: function(element, x, y) { |
4197 | var offsetcache = Element.cumulativeScrollOffset(element); |
4198 | |
4199 | this.xcomp = x + offsetcache[0] - this.deltaX; |
4200 | this.ycomp = y + offsetcache[1] - this.deltaY; |
4201 | this.offset = Element.cumulativeOffset(element); |
4202 | |
4203 | return (this.ycomp >= this.offset[1] && |
4204 | this.ycomp < this.offset[1] + element.offsetHeight && |
4205 | this.xcomp >= this.offset[0] && |
4206 | this.xcomp < this.offset[0] + element.offsetWidth); |
4207 | }, |
4208 | |
4209 | // within must be called directly before |
4210 | overlap: function(mode, element) { |
4211 | if (!mode) return 0; |
4212 | if (mode == 'vertical') |
4213 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
4214 | element.offsetHeight; |
4215 | if (mode == 'horizontal') |
4216 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
4217 | element.offsetWidth; |
4218 | }, |
4219 | |
4220 | // Deprecation layer -- use newer Element methods now (1.5.2). |
4221 | |
4222 | cumulativeOffset: Element.Methods.cumulativeOffset, |
4223 | |
4224 | positionedOffset: Element.Methods.positionedOffset, |
4225 | |
4226 | absolutize: function(element) { |
4227 | Position.prepare(); |
4228 | return Element.absolutize(element); |
4229 | }, |
4230 | |
4231 | relativize: function(element) { |
4232 | Position.prepare(); |
4233 | return Element.relativize(element); |
4234 | }, |
4235 | |
4236 | realOffset: Element.Methods.cumulativeScrollOffset, |
4237 | |
4238 | offsetParent: Element.Methods.getOffsetParent, |
4239 | |
4240 | page: Element.Methods.viewportOffset, |
4241 | |
4242 | clone: function(source, target, options) { |
4243 | options = options || { }; |
4244 | return Element.clonePosition(target, source, options); |
4245 | } |
4246 | }; |
4247 | |
4248 | /*--------------------------------------------------------------------------*/ |
4249 | |
4250 | if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ |
4251 | function iter(name) { |
4252 | return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; |
4253 | } |
4254 | |
4255 | instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? |
4256 | function(element, className) { |
4257 | className = className.toString().strip(); |
4258 | var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); |
4259 | return cond ? document._getElementsByXPath('.//*' + cond, element) : []; |
4260 | } : function(element, className) { |
4261 | className = className.toString().strip(); |
4262 | var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); |
4263 | if (!classNames && !className) return elements; |
4264 | |
4265 | var nodes = $(element).getElementsByTagName('*'); |
4266 | className = ' ' + className + ' '; |
4267 | |
4268 | for (var i = 0, child, cn; child = nodes[i]; i++) { |
4269 | if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || |
4270 | (classNames && classNames.all(function(name) { |
4271 | return !name.toString().blank() && cn.include(' ' + name + ' '); |
4272 | })))) |
4273 | elements.push(Element.extend(child)); |
4274 | } |
4275 | return elements; |
4276 | }; |
4277 | |
4278 | return function(className, parentElement) { |
4279 | return $(parentElement || document.body).getElementsByClassName(className); |
4280 | }; |
4281 | }(Element.Methods); |
4282 | |
4283 | /*--------------------------------------------------------------------------*/ |
4284 | |
4285 | Element.ClassNames = Class.create(); |
4286 | Element.ClassNames.prototype = { |
4287 | initialize: function(element) { |
4288 | this.element = $(element); |
4289 | }, |
4290 | |
4291 | _each: function(iterator) { |
4292 | this.element.className.split(/\s+/).select(function(name) { |
4293 | return name.length > 0; |
4294 | })._each(iterator); |
4295 | }, |
4296 | |
4297 | set: function(className) { |
4298 | this.element.className = className; |
4299 | }, |
4300 | |
4301 | add: function(classNameToAdd) { |
4302 | if (this.include(classNameToAdd)) return; |
4303 | this.set($A(this).concat(classNameToAdd).join(' ')); |
4304 | }, |
4305 | |
4306 | remove: function(classNameToRemove) { |
4307 | if (!this.include(classNameToRemove)) return; |
4308 | this.set($A(this).without(classNameToRemove).join(' ')); |
4309 | }, |
4310 | |
4311 | toString: function() { |
4312 | return $A(this).join(' '); |
4313 | } |
4314 | }; |
4315 | |
4316 | Object.extend(Element.ClassNames.prototype, Enumerable); |
4317 | |
4318 | /*--------------------------------------------------------------------------*/ |
4319 | |
4320 | Element.addMethods(); |