Projects : mp-wp : mp-wp_genesis
1 | /* Prototype JavaScript framework, version 1.6.0 |
2 | * (c) 2005-2007 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', |
11 | |
12 | Browser: { |
13 | IE: !!(window.attachEvent && !window.opera), |
14 | Opera: !!window.opera, |
15 | WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1, |
16 | Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1, |
17 | MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/) |
18 | }, |
19 | |
20 | BrowserFeatures: { |
21 | XPath: !!document.evaluate, |
22 | ElementExtensions: !!window.HTMLElement, |
23 | SpecificElementExtensions: |
24 | document.createElement('div').__proto__ && |
25 | document.createElement('div').__proto__ !== |
26 | document.createElement('form').__proto__ |
27 | }, |
28 | |
29 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
30 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, |
31 | |
32 | emptyFunction: function() { }, |
33 | K: function(x) { return x } |
34 | }; |
35 | |
36 | if (Prototype.Browser.MobileSafari) |
37 | Prototype.BrowserFeatures.SpecificElementExtensions = false; |
38 | |
39 | if (Prototype.Browser.WebKit) |
40 | Prototype.BrowserFeatures.XPath = false; |
41 | |
42 | /* Based on Alex Arnell's inheritance implementation. */ |
43 | var Class = { |
44 | create: function() { |
45 | var parent = null, properties = $A(arguments); |
46 | if (Object.isFunction(properties[0])) |
47 | parent = properties.shift(); |
48 | |
49 | function klass() { |
50 | this.initialize.apply(this, arguments); |
51 | } |
52 | |
53 | Object.extend(klass, Class.Methods); |
54 | klass.superclass = parent; |
55 | klass.subclasses = []; |
56 | |
57 | if (parent) { |
58 | var subclass = function() { }; |
59 | subclass.prototype = parent.prototype; |
60 | klass.prototype = new subclass; |
61 | parent.subclasses.push(klass); |
62 | } |
63 | |
64 | for (var i = 0; i < properties.length; i++) |
65 | klass.addMethods(properties[i]); |
66 | |
67 | if (!klass.prototype.initialize) |
68 | klass.prototype.initialize = Prototype.emptyFunction; |
69 | |
70 | klass.prototype.constructor = klass; |
71 | |
72 | return klass; |
73 | } |
74 | }; |
75 | |
76 | Class.Methods = { |
77 | addMethods: function(source) { |
78 | var ancestor = this.superclass && this.superclass.prototype; |
79 | var properties = Object.keys(source); |
80 | |
81 | if (!Object.keys({ toString: true }).length) |
82 | properties.push("toString", "valueOf"); |
83 | |
84 | for (var i = 0, length = properties.length; i < length; i++) { |
85 | var property = properties[i], value = source[property]; |
86 | if (ancestor && Object.isFunction(value) && |
87 | value.argumentNames().first() == "$super") { |
88 | var method = value, value = Object.extend((function(m) { |
89 | return function() { return ancestor[m].apply(this, arguments) }; |
90 | })(property).wrap(method), { |
91 | valueOf: function() { return method }, |
92 | toString: function() { return method.toString() } |
93 | }); |
94 | } |
95 | this.prototype[property] = value; |
96 | } |
97 | |
98 | return this; |
99 | } |
100 | }; |
101 | |
102 | var Abstract = { }; |
103 | |
104 | Object.extend = function(destination, source) { |
105 | for (var property in source) |
106 | destination[property] = source[property]; |
107 | return destination; |
108 | }; |
109 | |
110 | Object.extend(Object, { |
111 | inspect: function(object) { |
112 | try { |
113 | if (object === undefined) return 'undefined'; |
114 | if (object === null) return 'null'; |
115 | return object.inspect ? object.inspect() : object.toString(); |
116 | } catch (e) { |
117 | if (e instanceof RangeError) return '...'; |
118 | throw e; |
119 | } |
120 | }, |
121 | |
122 | toJSON: function(object) { |
123 | var type = typeof object; |
124 | switch (type) { |
125 | case 'undefined': |
126 | case 'function': |
127 | case 'unknown': return; |
128 | case 'boolean': return object.toString(); |
129 | } |
130 | |
131 | if (object === null) return 'null'; |
132 | if (object.toJSON) return object.toJSON(); |
133 | if (Object.isElement(object)) return; |
134 | |
135 | var results = []; |
136 | for (var property in object) { |
137 | var value = Object.toJSON(object[property]); |
138 | if (value !== undefined) |
139 | results.push(property.toJSON() + ': ' + value); |
140 | } |
141 | |
142 | return '{' + results.join(', ') + '}'; |
143 | }, |
144 | |
145 | toQueryString: function(object) { |
146 | return $H(object).toQueryString(); |
147 | }, |
148 | |
149 | toHTML: function(object) { |
150 | return object && object.toHTML ? object.toHTML() : String.interpret(object); |
151 | }, |
152 | |
153 | keys: function(object) { |
154 | var keys = []; |
155 | for (var property in object) |
156 | keys.push(property); |
157 | return keys; |
158 | }, |
159 | |
160 | values: function(object) { |
161 | var values = []; |
162 | for (var property in object) |
163 | values.push(object[property]); |
164 | return values; |
165 | }, |
166 | |
167 | clone: function(object) { |
168 | return Object.extend({ }, object); |
169 | }, |
170 | |
171 | isElement: function(object) { |
172 | return object && object.nodeType == 1; |
173 | }, |
174 | |
175 | isArray: function(object) { |
176 | return object && object.constructor === Array; |
177 | }, |
178 | |
179 | isHash: function(object) { |
180 | return object instanceof Hash; |
181 | }, |
182 | |
183 | isFunction: function(object) { |
184 | return typeof object == "function"; |
185 | }, |
186 | |
187 | isString: function(object) { |
188 | return typeof object == "string"; |
189 | }, |
190 | |
191 | isNumber: function(object) { |
192 | return typeof object == "number"; |
193 | }, |
194 | |
195 | isUndefined: function(object) { |
196 | return typeof object == "undefined"; |
197 | } |
198 | }); |
199 | |
200 | Object.extend(Function.prototype, { |
201 | argumentNames: function() { |
202 | var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip"); |
203 | return names.length == 1 && !names[0] ? [] : names; |
204 | }, |
205 | |
206 | bind: function() { |
207 | if (arguments.length < 2 && arguments[0] === undefined) return this; |
208 | var __method = this, args = $A(arguments), object = args.shift(); |
209 | return function() { |
210 | return __method.apply(object, args.concat($A(arguments))); |
211 | } |
212 | }, |
213 | |
214 | bindAsEventListener: function() { |
215 | var __method = this, args = $A(arguments), object = args.shift(); |
216 | return function(event) { |
217 | return __method.apply(object, [event || window.event].concat(args)); |
218 | } |
219 | }, |
220 | |
221 | curry: function() { |
222 | if (!arguments.length) return this; |
223 | var __method = this, args = $A(arguments); |
224 | return function() { |
225 | return __method.apply(this, args.concat($A(arguments))); |
226 | } |
227 | }, |
228 | |
229 | delay: function() { |
230 | var __method = this, args = $A(arguments), timeout = args.shift() * 1000; |
231 | return window.setTimeout(function() { |
232 | return __method.apply(__method, args); |
233 | }, timeout); |
234 | }, |
235 | |
236 | wrap: function(wrapper) { |
237 | var __method = this; |
238 | return function() { |
239 | return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); |
240 | } |
241 | }, |
242 | |
243 | methodize: function() { |
244 | if (this._methodized) return this._methodized; |
245 | var __method = this; |
246 | return this._methodized = function() { |
247 | return __method.apply(null, [this].concat($A(arguments))); |
248 | }; |
249 | } |
250 | }); |
251 | |
252 | Function.prototype.defer = Function.prototype.delay.curry(0.01); |
253 | |
254 | Date.prototype.toJSON = function() { |
255 | return '"' + this.getUTCFullYear() + '-' + |
256 | (this.getUTCMonth() + 1).toPaddedString(2) + '-' + |
257 | this.getUTCDate().toPaddedString(2) + 'T' + |
258 | this.getUTCHours().toPaddedString(2) + ':' + |
259 | this.getUTCMinutes().toPaddedString(2) + ':' + |
260 | this.getUTCSeconds().toPaddedString(2) + 'Z"'; |
261 | }; |
262 | |
263 | var Try = { |
264 | these: function() { |
265 | var returnValue; |
266 | |
267 | for (var i = 0, length = arguments.length; i < length; i++) { |
268 | var lambda = arguments[i]; |
269 | try { |
270 | returnValue = lambda(); |
271 | break; |
272 | } catch (e) { } |
273 | } |
274 | |
275 | return returnValue; |
276 | } |
277 | }; |
278 | |
279 | RegExp.prototype.match = RegExp.prototype.test; |
280 | |
281 | RegExp.escape = function(str) { |
282 | return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); |
283 | }; |
284 | |
285 | /*--------------------------------------------------------------------------*/ |
286 | |
287 | var PeriodicalExecuter = Class.create({ |
288 | initialize: function(callback, frequency) { |
289 | this.callback = callback; |
290 | this.frequency = frequency; |
291 | this.currentlyExecuting = false; |
292 | |
293 | this.registerCallback(); |
294 | }, |
295 | |
296 | registerCallback: function() { |
297 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
298 | }, |
299 | |
300 | execute: function() { |
301 | this.callback(this); |
302 | }, |
303 | |
304 | stop: function() { |
305 | if (!this.timer) return; |
306 | clearInterval(this.timer); |
307 | this.timer = null; |
308 | }, |
309 | |
310 | onTimerEvent: function() { |
311 | if (!this.currentlyExecuting) { |
312 | try { |
313 | this.currentlyExecuting = true; |
314 | this.execute(); |
315 | } finally { |
316 | this.currentlyExecuting = false; |
317 | } |
318 | } |
319 | } |
320 | }); |
321 | Object.extend(String, { |
322 | interpret: function(value) { |
323 | return value == null ? '' : String(value); |
324 | }, |
325 | specialChar: { |
326 | '\b': '\\b', |
327 | '\t': '\\t', |
328 | '\n': '\\n', |
329 | '\f': '\\f', |
330 | '\r': '\\r', |
331 | '\\': '\\\\' |
332 | } |
333 | }); |
334 | |
335 | Object.extend(String.prototype, { |
336 | gsub: function(pattern, replacement) { |
337 | var result = '', source = this, match; |
338 | replacement = arguments.callee.prepareReplacement(replacement); |
339 | |
340 | while (source.length > 0) { |
341 | if (match = source.match(pattern)) { |
342 | result += source.slice(0, match.index); |
343 | result += String.interpret(replacement(match)); |
344 | source = source.slice(match.index + match[0].length); |
345 | } else { |
346 | result += source, source = ''; |
347 | } |
348 | } |
349 | return result; |
350 | }, |
351 | |
352 | sub: function(pattern, replacement, count) { |
353 | replacement = this.gsub.prepareReplacement(replacement); |
354 | count = count === undefined ? 1 : count; |
355 | |
356 | return this.gsub(pattern, function(match) { |
357 | if (--count < 0) return match[0]; |
358 | return replacement(match); |
359 | }); |
360 | }, |
361 | |
362 | scan: function(pattern, iterator) { |
363 | this.gsub(pattern, iterator); |
364 | return String(this); |
365 | }, |
366 | |
367 | truncate: function(length, truncation) { |
368 | length = length || 30; |
369 | truncation = truncation === undefined ? '...' : truncation; |
370 | return this.length > length ? |
371 | this.slice(0, length - truncation.length) + truncation : String(this); |
372 | }, |
373 | |
374 | strip: function() { |
375 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
376 | }, |
377 | |
378 | stripTags: function() { |
379 | return this.replace(/<\/?[^>]+>/gi, ''); |
380 | }, |
381 | |
382 | stripScripts: function() { |
383 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
384 | }, |
385 | |
386 | extractScripts: function() { |
387 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
388 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
389 | return (this.match(matchAll) || []).map(function(scriptTag) { |
390 | return (scriptTag.match(matchOne) || ['', ''])[1]; |
391 | }); |
392 | }, |
393 | |
394 | evalScripts: function() { |
395 | return this.extractScripts().map(function(script) { return eval(script) }); |
396 | }, |
397 | |
398 | escapeHTML: function() { |
399 | var self = arguments.callee; |
400 | self.text.data = this; |
401 | return self.div.innerHTML; |
402 | }, |
403 | |
404 | unescapeHTML: function() { |
405 | var div = new Element('div'); |
406 | div.innerHTML = this.stripTags(); |
407 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
408 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
409 | div.childNodes[0].nodeValue) : ''; |
410 | }, |
411 | |
412 | toQueryParams: function(separator) { |
413 | var match = this.strip().match(/([^?#]*)(#.*)?$/); |
414 | if (!match) return { }; |
415 | |
416 | return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
417 | if ((pair = pair.split('='))[0]) { |
418 | var key = decodeURIComponent(pair.shift()); |
419 | var value = pair.length > 1 ? pair.join('=') : pair[0]; |
420 | if (value != undefined) value = decodeURIComponent(value); |
421 | |
422 | if (key in hash) { |
423 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; |
424 | hash[key].push(value); |
425 | } |
426 | else hash[key] = value; |
427 | } |
428 | return hash; |
429 | }); |
430 | }, |
431 | |
432 | toArray: function() { |
433 | return this.split(''); |
434 | }, |
435 | |
436 | succ: function() { |
437 | return this.slice(0, this.length - 1) + |
438 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
439 | }, |
440 | |
441 | times: function(count) { |
442 | return count < 1 ? '' : new Array(count + 1).join(this); |
443 | }, |
444 | |
445 | camelize: function() { |
446 | var parts = this.split('-'), len = parts.length; |
447 | if (len == 1) return parts[0]; |
448 | |
449 | var camelized = this.charAt(0) == '-' |
450 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
451 | : parts[0]; |
452 | |
453 | for (var i = 1; i < len; i++) |
454 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
455 | |
456 | return camelized; |
457 | }, |
458 | |
459 | capitalize: function() { |
460 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
461 | }, |
462 | |
463 | underscore: function() { |
464 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
465 | }, |
466 | |
467 | dasherize: function() { |
468 | return this.gsub(/_/,'-'); |
469 | }, |
470 | |
471 | inspect: function(useDoubleQuotes) { |
472 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
473 | var character = String.specialChar[match[0]]; |
474 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
475 | }); |
476 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
477 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
478 | }, |
479 | |
480 | toJSON: function() { |
481 | return this.inspect(true); |
482 | }, |
483 | |
484 | unfilterJSON: function(filter) { |
485 | return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
486 | }, |
487 | |
488 | isJSON: function() { |
489 | var str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
490 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
491 | }, |
492 | |
493 | evalJSON: function(sanitize) { |
494 | var json = this.unfilterJSON(); |
495 | try { |
496 | if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
497 | } catch (e) { } |
498 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
499 | }, |
500 | |
501 | include: function(pattern) { |
502 | return this.indexOf(pattern) > -1; |
503 | }, |
504 | |
505 | startsWith: function(pattern) { |
506 | return this.indexOf(pattern) === 0; |
507 | }, |
508 | |
509 | endsWith: function(pattern) { |
510 | var d = this.length - pattern.length; |
511 | return d >= 0 && this.lastIndexOf(pattern) === d; |
512 | }, |
513 | |
514 | empty: function() { |
515 | return this == ''; |
516 | }, |
517 | |
518 | blank: function() { |
519 | return /^\s*$/.test(this); |
520 | }, |
521 | |
522 | interpolate: function(object, pattern) { |
523 | return new Template(this, pattern).evaluate(object); |
524 | } |
525 | }); |
526 | |
527 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
528 | escapeHTML: function() { |
529 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
530 | }, |
531 | unescapeHTML: function() { |
532 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
533 | } |
534 | }); |
535 | |
536 | String.prototype.gsub.prepareReplacement = function(replacement) { |
537 | if (Object.isFunction(replacement)) return replacement; |
538 | var template = new Template(replacement); |
539 | return function(match) { return template.evaluate(match) }; |
540 | }; |
541 | |
542 | String.prototype.parseQuery = String.prototype.toQueryParams; |
543 | |
544 | Object.extend(String.prototype.escapeHTML, { |
545 | div: document.createElement('div'), |
546 | text: document.createTextNode('') |
547 | }); |
548 | |
549 | with (String.prototype.escapeHTML) div.appendChild(text); |
550 | |
551 | var Template = Class.create({ |
552 | initialize: function(template, pattern) { |
553 | this.template = template.toString(); |
554 | this.pattern = pattern || Template.Pattern; |
555 | }, |
556 | |
557 | evaluate: function(object) { |
558 | if (Object.isFunction(object.toTemplateReplacements)) |
559 | object = object.toTemplateReplacements(); |
560 | |
561 | return this.template.gsub(this.pattern, function(match) { |
562 | if (object == null) return ''; |
563 | |
564 | var before = match[1] || ''; |
565 | if (before == '\\') return match[2]; |
566 | |
567 | var ctx = object, expr = match[3]; |
568 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/, match = pattern.exec(expr); |
569 | if (match == null) return before; |
570 | |
571 | while (match != null) { |
572 | var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; |
573 | ctx = ctx[comp]; |
574 | if (null == ctx || '' == match[3]) break; |
575 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); |
576 | match = pattern.exec(expr); |
577 | } |
578 | |
579 | return before + String.interpret(ctx); |
580 | }.bind(this)); |
581 | } |
582 | }); |
583 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
584 | |
585 | var $break = { }; |
586 | |
587 | var Enumerable = { |
588 | each: function(iterator, context) { |
589 | var index = 0; |
590 | iterator = iterator.bind(context); |
591 | try { |
592 | this._each(function(value) { |
593 | iterator(value, index++); |
594 | }); |
595 | } catch (e) { |
596 | if (e != $break) throw e; |
597 | } |
598 | return this; |
599 | }, |
600 | |
601 | eachSlice: function(number, iterator, context) { |
602 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
603 | var index = -number, slices = [], array = this.toArray(); |
604 | while ((index += number) < array.length) |
605 | slices.push(array.slice(index, index+number)); |
606 | return slices.collect(iterator, context); |
607 | }, |
608 | |
609 | all: function(iterator, context) { |
610 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
611 | var result = true; |
612 | this.each(function(value, index) { |
613 | result = result && !!iterator(value, index); |
614 | if (!result) throw $break; |
615 | }); |
616 | return result; |
617 | }, |
618 | |
619 | any: function(iterator, context) { |
620 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
621 | var result = false; |
622 | this.each(function(value, index) { |
623 | if (result = !!iterator(value, index)) |
624 | throw $break; |
625 | }); |
626 | return result; |
627 | }, |
628 | |
629 | collect: function(iterator, context) { |
630 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
631 | var results = []; |
632 | this.each(function(value, index) { |
633 | results.push(iterator(value, index)); |
634 | }); |
635 | return results; |
636 | }, |
637 | |
638 | detect: function(iterator, context) { |
639 | iterator = iterator.bind(context); |
640 | var result; |
641 | this.each(function(value, index) { |
642 | if (iterator(value, index)) { |
643 | result = value; |
644 | throw $break; |
645 | } |
646 | }); |
647 | return result; |
648 | }, |
649 | |
650 | findAll: function(iterator, context) { |
651 | iterator = iterator.bind(context); |
652 | var results = []; |
653 | this.each(function(value, index) { |
654 | if (iterator(value, index)) |
655 | results.push(value); |
656 | }); |
657 | return results; |
658 | }, |
659 | |
660 | grep: function(filter, iterator, context) { |
661 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
662 | var results = []; |
663 | |
664 | if (Object.isString(filter)) |
665 | filter = new RegExp(filter); |
666 | |
667 | this.each(function(value, index) { |
668 | if (filter.match(value)) |
669 | results.push(iterator(value, index)); |
670 | }); |
671 | return results; |
672 | }, |
673 | |
674 | include: function(object) { |
675 | if (Object.isFunction(this.indexOf)) |
676 | if (this.indexOf(object) != -1) return true; |
677 | |
678 | var found = false; |
679 | this.each(function(value) { |
680 | if (value == object) { |
681 | found = true; |
682 | throw $break; |
683 | } |
684 | }); |
685 | return found; |
686 | }, |
687 | |
688 | inGroupsOf: function(number, fillWith) { |
689 | fillWith = fillWith === undefined ? null : fillWith; |
690 | return this.eachSlice(number, function(slice) { |
691 | while(slice.length < number) slice.push(fillWith); |
692 | return slice; |
693 | }); |
694 | }, |
695 | |
696 | inject: function(memo, iterator, context) { |
697 | iterator = iterator.bind(context); |
698 | this.each(function(value, index) { |
699 | memo = iterator(memo, value, index); |
700 | }); |
701 | return memo; |
702 | }, |
703 | |
704 | invoke: function(method) { |
705 | var args = $A(arguments).slice(1); |
706 | return this.map(function(value) { |
707 | return value[method].apply(value, args); |
708 | }); |
709 | }, |
710 | |
711 | max: function(iterator, context) { |
712 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
713 | var result; |
714 | this.each(function(value, index) { |
715 | value = iterator(value, index); |
716 | if (result == undefined || value >= result) |
717 | result = value; |
718 | }); |
719 | return result; |
720 | }, |
721 | |
722 | min: function(iterator, context) { |
723 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
724 | var result; |
725 | this.each(function(value, index) { |
726 | value = iterator(value, index); |
727 | if (result == undefined || value < result) |
728 | result = value; |
729 | }); |
730 | return result; |
731 | }, |
732 | |
733 | partition: function(iterator, context) { |
734 | iterator = iterator ? iterator.bind(context) : Prototype.K; |
735 | var trues = [], falses = []; |
736 | this.each(function(value, index) { |
737 | (iterator(value, index) ? |
738 | trues : falses).push(value); |
739 | }); |
740 | return [trues, falses]; |
741 | }, |
742 | |
743 | pluck: function(property) { |
744 | var results = []; |
745 | this.each(function(value) { |
746 | results.push(value[property]); |
747 | }); |
748 | return results; |
749 | }, |
750 | |
751 | reject: function(iterator, context) { |
752 | iterator = iterator.bind(context); |
753 | var results = []; |
754 | this.each(function(value, index) { |
755 | if (!iterator(value, index)) |
756 | results.push(value); |
757 | }); |
758 | return results; |
759 | }, |
760 | |
761 | sortBy: function(iterator, context) { |
762 | iterator = iterator.bind(context); |
763 | return this.map(function(value, index) { |
764 | return {value: value, criteria: iterator(value, index)}; |
765 | }).sort(function(left, right) { |
766 | var a = left.criteria, b = right.criteria; |
767 | return a < b ? -1 : a > b ? 1 : 0; |
768 | }).pluck('value'); |
769 | }, |
770 | |
771 | toArray: function() { |
772 | return this.map(); |
773 | }, |
774 | |
775 | zip: function() { |
776 | var iterator = Prototype.K, args = $A(arguments); |
777 | if (Object.isFunction(args.last())) |
778 | iterator = args.pop(); |
779 | |
780 | var collections = [this].concat(args).map($A); |
781 | return this.map(function(value, index) { |
782 | return iterator(collections.pluck(index)); |
783 | }); |
784 | }, |
785 | |
786 | size: function() { |
787 | return this.toArray().length; |
788 | }, |
789 | |
790 | inspect: function() { |
791 | return '#<Enumerable:' + this.toArray().inspect() + '>'; |
792 | } |
793 | }; |
794 | |
795 | Object.extend(Enumerable, { |
796 | map: Enumerable.collect, |
797 | find: Enumerable.detect, |
798 | select: Enumerable.findAll, |
799 | filter: Enumerable.findAll, |
800 | member: Enumerable.include, |
801 | entries: Enumerable.toArray, |
802 | every: Enumerable.all, |
803 | some: Enumerable.any |
804 | }); |
805 | function $A(iterable) { |
806 | if (!iterable) return []; |
807 | if (iterable.toArray) return iterable.toArray(); |
808 | var length = iterable.length, results = new Array(length); |
809 | while (length--) results[length] = iterable[length]; |
810 | return results; |
811 | } |
812 | |
813 | if (Prototype.Browser.WebKit) { |
814 | function $A(iterable) { |
815 | if (!iterable) return []; |
816 | if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') && |
817 | iterable.toArray) return iterable.toArray(); |
818 | var length = iterable.length, results = new Array(length); |
819 | while (length--) results[length] = iterable[length]; |
820 | return results; |
821 | } |
822 | } |
823 | |
824 | Array.from = $A; |
825 | |
826 | Object.extend(Array.prototype, Enumerable); |
827 | |
828 | if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; |
829 | |
830 | Object.extend(Array.prototype, { |
831 | _each: function(iterator) { |
832 | for (var i = 0, length = this.length; i < length; i++) |
833 | iterator(this[i]); |
834 | }, |
835 | |
836 | clear: function() { |
837 | this.length = 0; |
838 | return this; |
839 | }, |
840 | |
841 | first: function() { |
842 | return this[0]; |
843 | }, |
844 | |
845 | last: function() { |
846 | return this[this.length - 1]; |
847 | }, |
848 | |
849 | compact: function() { |
850 | return this.select(function(value) { |
851 | return value != null; |
852 | }); |
853 | }, |
854 | |
855 | flatten: function() { |
856 | return this.inject([], function(array, value) { |
857 | return array.concat(Object.isArray(value) ? |
858 | value.flatten() : [value]); |
859 | }); |
860 | }, |
861 | |
862 | without: function() { |
863 | var values = $A(arguments); |
864 | return this.select(function(value) { |
865 | return !values.include(value); |
866 | }); |
867 | }, |
868 | |
869 | reverse: function(inline) { |
870 | return (inline !== false ? this : this.toArray())._reverse(); |
871 | }, |
872 | |
873 | reduce: function() { |
874 | return this.length > 1 ? this : this[0]; |
875 | }, |
876 | |
877 | uniq: function(sorted) { |
878 | return this.inject([], function(array, value, index) { |
879 | if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
880 | array.push(value); |
881 | return array; |
882 | }); |
883 | }, |
884 | |
885 | intersect: function(array) { |
886 | return this.uniq().findAll(function(item) { |
887 | return array.detect(function(value) { return item === value }); |
888 | }); |
889 | }, |
890 | |
891 | clone: function() { |
892 | return [].concat(this); |
893 | }, |
894 | |
895 | size: function() { |
896 | return this.length; |
897 | }, |
898 | |
899 | inspect: function() { |
900 | return '[' + this.map(Object.inspect).join(', ') + ']'; |
901 | }, |
902 | |
903 | toJSON: function() { |
904 | var results = []; |
905 | this.each(function(object) { |
906 | var value = Object.toJSON(object); |
907 | if (value !== undefined) results.push(value); |
908 | }); |
909 | return '[' + results.join(', ') + ']'; |
910 | } |
911 | }); |
912 | |
913 | // use native browser JS 1.6 implementation if available |
914 | if (Object.isFunction(Array.prototype.forEach)) |
915 | Array.prototype._each = Array.prototype.forEach; |
916 | |
917 | if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { |
918 | i || (i = 0); |
919 | var length = this.length; |
920 | if (i < 0) i = length + i; |
921 | for (; i < length; i++) |
922 | if (this[i] === item) return i; |
923 | return -1; |
924 | }; |
925 | |
926 | if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { |
927 | i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; |
928 | var n = this.slice(0, i).reverse().indexOf(item); |
929 | return (n < 0) ? n : i - n - 1; |
930 | }; |
931 | |
932 | Array.prototype.toArray = Array.prototype.clone; |
933 | |
934 | function $w(string) { |
935 | if (!Object.isString(string)) return []; |
936 | string = string.strip(); |
937 | return string ? string.split(/\s+/) : []; |
938 | } |
939 | |
940 | if (Prototype.Browser.Opera){ |
941 | Array.prototype.concat = function() { |
942 | var array = []; |
943 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
944 | for (var i = 0, length = arguments.length; i < length; i++) { |
945 | if (Object.isArray(arguments[i])) { |
946 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
947 | array.push(arguments[i][j]); |
948 | } else { |
949 | array.push(arguments[i]); |
950 | } |
951 | } |
952 | return array; |
953 | }; |
954 | } |
955 | Object.extend(Number.prototype, { |
956 | toColorPart: function() { |
957 | return this.toPaddedString(2, 16); |
958 | }, |
959 | |
960 | succ: function() { |
961 | return this + 1; |
962 | }, |
963 | |
964 | times: function(iterator) { |
965 | $R(0, this, true).each(iterator); |
966 | return this; |
967 | }, |
968 | |
969 | toPaddedString: function(length, radix) { |
970 | var string = this.toString(radix || 10); |
971 | return '0'.times(length - string.length) + string; |
972 | }, |
973 | |
974 | toJSON: function() { |
975 | return isFinite(this) ? this.toString() : 'null'; |
976 | } |
977 | }); |
978 | |
979 | $w('abs round ceil floor').each(function(method){ |
980 | Number.prototype[method] = Math[method].methodize(); |
981 | }); |
982 | function $H(object) { |
983 | return new Hash(object); |
984 | }; |
985 | |
986 | var Hash = Class.create(Enumerable, (function() { |
987 | if (function() { |
988 | var i = 0, Test = function(value) { this.key = value }; |
989 | Test.prototype.key = 'foo'; |
990 | for (var property in new Test('bar')) i++; |
991 | return i > 1; |
992 | }()) { |
993 | function each(iterator) { |
994 | var cache = []; |
995 | for (var key in this._object) { |
996 | var value = this._object[key]; |
997 | if (cache.include(key)) continue; |
998 | cache.push(key); |
999 | var pair = [key, value]; |
1000 | pair.key = key; |
1001 | pair.value = value; |
1002 | iterator(pair); |
1003 | } |
1004 | } |
1005 | } else { |
1006 | function each(iterator) { |
1007 | for (var key in this._object) { |
1008 | var value = this._object[key], pair = [key, value]; |
1009 | pair.key = key; |
1010 | pair.value = value; |
1011 | iterator(pair); |
1012 | } |
1013 | } |
1014 | } |
1015 | |
1016 | function toQueryPair(key, value) { |
1017 | if (Object.isUndefined(value)) return key; |
1018 | return key + '=' + encodeURIComponent(String.interpret(value)); |
1019 | } |
1020 | |
1021 | return { |
1022 | initialize: function(object) { |
1023 | this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); |
1024 | }, |
1025 | |
1026 | _each: each, |
1027 | |
1028 | set: function(key, value) { |
1029 | return this._object[key] = value; |
1030 | }, |
1031 | |
1032 | get: function(key) { |
1033 | return this._object[key]; |
1034 | }, |
1035 | |
1036 | unset: function(key) { |
1037 | var value = this._object[key]; |
1038 | delete this._object[key]; |
1039 | return value; |
1040 | }, |
1041 | |
1042 | toObject: function() { |
1043 | return Object.clone(this._object); |
1044 | }, |
1045 | |
1046 | keys: function() { |
1047 | return this.pluck('key'); |
1048 | }, |
1049 | |
1050 | values: function() { |
1051 | return this.pluck('value'); |
1052 | }, |
1053 | |
1054 | index: function(value) { |
1055 | var match = this.detect(function(pair) { |
1056 | return pair.value === value; |
1057 | }); |
1058 | return match && match.key; |
1059 | }, |
1060 | |
1061 | merge: function(object) { |
1062 | return this.clone().update(object); |
1063 | }, |
1064 | |
1065 | update: function(object) { |
1066 | return new Hash(object).inject(this, function(result, pair) { |
1067 | result.set(pair.key, pair.value); |
1068 | return result; |
1069 | }); |
1070 | }, |
1071 | |
1072 | toQueryString: function() { |
1073 | return this.map(function(pair) { |
1074 | var key = encodeURIComponent(pair.key), values = pair.value; |
1075 | |
1076 | if (values && typeof values == 'object') { |
1077 | if (Object.isArray(values)) |
1078 | return values.map(toQueryPair.curry(key)).join('&'); |
1079 | } |
1080 | return toQueryPair(key, values); |
1081 | }).join('&'); |
1082 | }, |
1083 | |
1084 | inspect: function() { |
1085 | return '#<Hash:{' + this.map(function(pair) { |
1086 | return pair.map(Object.inspect).join(': '); |
1087 | }).join(', ') + '}>'; |
1088 | }, |
1089 | |
1090 | toJSON: function() { |
1091 | return Object.toJSON(this.toObject()); |
1092 | }, |
1093 | |
1094 | clone: function() { |
1095 | return new Hash(this); |
1096 | } |
1097 | } |
1098 | })()); |
1099 | |
1100 | Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; |
1101 | Hash.from = $H; |
1102 | var ObjectRange = Class.create(Enumerable, { |
1103 | initialize: function(start, end, exclusive) { |
1104 | this.start = start; |
1105 | this.end = end; |
1106 | this.exclusive = exclusive; |
1107 | }, |
1108 | |
1109 | _each: function(iterator) { |
1110 | var value = this.start; |
1111 | while (this.include(value)) { |
1112 | iterator(value); |
1113 | value = value.succ(); |
1114 | } |
1115 | }, |
1116 | |
1117 | include: function(value) { |
1118 | if (value < this.start) |
1119 | return false; |
1120 | if (this.exclusive) |
1121 | return value < this.end; |
1122 | return value <= this.end; |
1123 | } |
1124 | }); |
1125 | |
1126 | var $R = function(start, end, exclusive) { |
1127 | return new ObjectRange(start, end, exclusive); |
1128 | }; |
1129 | |
1130 | var Ajax = { |
1131 | getTransport: function() { |
1132 | return Try.these( |
1133 | function() {return new XMLHttpRequest()}, |
1134 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
1135 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
1136 | ) || false; |
1137 | }, |
1138 | |
1139 | activeRequestCount: 0 |
1140 | }; |
1141 | |
1142 | Ajax.Responders = { |
1143 | responders: [], |
1144 | |
1145 | _each: function(iterator) { |
1146 | this.responders._each(iterator); |
1147 | }, |
1148 | |
1149 | register: function(responder) { |
1150 | if (!this.include(responder)) |
1151 | this.responders.push(responder); |
1152 | }, |
1153 | |
1154 | unregister: function(responder) { |
1155 | this.responders = this.responders.without(responder); |
1156 | }, |
1157 | |
1158 | dispatch: function(callback, request, transport, json) { |
1159 | this.each(function(responder) { |
1160 | if (Object.isFunction(responder[callback])) { |
1161 | try { |
1162 | responder[callback].apply(responder, [request, transport, json]); |
1163 | } catch (e) { } |
1164 | } |
1165 | }); |
1166 | } |
1167 | }; |
1168 | |
1169 | Object.extend(Ajax.Responders, Enumerable); |
1170 | |
1171 | Ajax.Responders.register({ |
1172 | onCreate: function() { Ajax.activeRequestCount++ }, |
1173 | onComplete: function() { Ajax.activeRequestCount-- } |
1174 | }); |
1175 | |
1176 | Ajax.Base = Class.create({ |
1177 | initialize: function(options) { |
1178 | this.options = { |
1179 | method: 'post', |
1180 | asynchronous: true, |
1181 | contentType: 'application/x-www-form-urlencoded', |
1182 | encoding: 'UTF-8', |
1183 | parameters: '', |
1184 | evalJSON: true, |
1185 | evalJS: true |
1186 | }; |
1187 | Object.extend(this.options, options || { }); |
1188 | |
1189 | this.options.method = this.options.method.toLowerCase(); |
1190 | if (Object.isString(this.options.parameters)) |
1191 | this.options.parameters = this.options.parameters.toQueryParams(); |
1192 | } |
1193 | }); |
1194 | |
1195 | Ajax.Request = Class.create(Ajax.Base, { |
1196 | _complete: false, |
1197 | |
1198 | initialize: function($super, url, options) { |
1199 | $super(options); |
1200 | this.transport = Ajax.getTransport(); |
1201 | this.request(url); |
1202 | }, |
1203 | |
1204 | request: function(url) { |
1205 | this.url = url; |
1206 | this.method = this.options.method; |
1207 | var params = Object.clone(this.options.parameters); |
1208 | |
1209 | if (!['get', 'post'].include(this.method)) { |
1210 | // simulate other verbs over post |
1211 | params['_method'] = this.method; |
1212 | this.method = 'post'; |
1213 | } |
1214 | |
1215 | this.parameters = params; |
1216 | |
1217 | if (params = Object.toQueryString(params)) { |
1218 | // when GET, append parameters to URL |
1219 | if (this.method == 'get') |
1220 | this.url += (this.url.include('?') ? '&' : '?') + params; |
1221 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
1222 | params += '&_='; |
1223 | } |
1224 | |
1225 | try { |
1226 | var response = new Ajax.Response(this); |
1227 | if (this.options.onCreate) this.options.onCreate(response); |
1228 | Ajax.Responders.dispatch('onCreate', this, response); |
1229 | |
1230 | this.transport.open(this.method.toUpperCase(), this.url, |
1231 | this.options.asynchronous); |
1232 | |
1233 | if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); |
1234 | |
1235 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
1236 | this.setRequestHeaders(); |
1237 | |
1238 | this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
1239 | this.transport.send(this.body); |
1240 | |
1241 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
1242 | if (!this.options.asynchronous && this.transport.overrideMimeType) |
1243 | this.onStateChange(); |
1244 | |
1245 | } |
1246 | catch (e) { |
1247 | this.dispatchException(e); |
1248 | } |
1249 | }, |
1250 | |
1251 | onStateChange: function() { |
1252 | var readyState = this.transport.readyState; |
1253 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
1254 | this.respondToReadyState(this.transport.readyState); |
1255 | }, |
1256 | |
1257 | setRequestHeaders: function() { |
1258 | var headers = { |
1259 | 'X-Requested-With': 'XMLHttpRequest', |
1260 | 'X-Prototype-Version': Prototype.Version, |
1261 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
1262 | }; |
1263 | |
1264 | if (this.method == 'post') { |
1265 | headers['Content-type'] = this.options.contentType + |
1266 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
1267 | |
1268 | /* Force "Connection: close" for older Mozilla browsers to work |
1269 | * around a bug where XMLHttpRequest sends an incorrect |
1270 | * Content-length header. See Mozilla Bugzilla #246651. |
1271 | */ |
1272 | if (this.transport.overrideMimeType && |
1273 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
1274 | headers['Connection'] = 'close'; |
1275 | } |
1276 | |
1277 | // user-defined headers |
1278 | if (typeof this.options.requestHeaders == 'object') { |
1279 | var extras = this.options.requestHeaders; |
1280 | |
1281 | if (Object.isFunction(extras.push)) |
1282 | for (var i = 0, length = extras.length; i < length; i += 2) |
1283 | headers[extras[i]] = extras[i+1]; |
1284 | else |
1285 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
1286 | } |
1287 | |
1288 | for (var name in headers) |
1289 | this.transport.setRequestHeader(name, headers[name]); |
1290 | }, |
1291 | |
1292 | success: function() { |
1293 | var status = this.getStatus(); |
1294 | return !status || (status >= 200 && status < 300); |
1295 | }, |
1296 | |
1297 | getStatus: function() { |
1298 | try { |
1299 | return this.transport.status || 0; |
1300 | } catch (e) { return 0 } |
1301 | }, |
1302 | |
1303 | respondToReadyState: function(readyState) { |
1304 | var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); |
1305 | |
1306 | if (state == 'Complete') { |
1307 | try { |
1308 | this._complete = true; |
1309 | (this.options['on' + response.status] |
1310 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
1311 | || Prototype.emptyFunction)(response, response.headerJSON); |
1312 | } catch (e) { |
1313 | this.dispatchException(e); |
1314 | } |
1315 | |
1316 | var contentType = response.getHeader('Content-type'); |
1317 | if (this.options.evalJS == 'force' |
1318 | || (this.options.evalJS && contentType |
1319 | && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) |
1320 | this.evalResponse(); |
1321 | } |
1322 | |
1323 | try { |
1324 | (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); |
1325 | Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); |
1326 | } catch (e) { |
1327 | this.dispatchException(e); |
1328 | } |
1329 | |
1330 | if (state == 'Complete') { |
1331 | // avoid memory leak in MSIE: clean up |
1332 | this.transport.onreadystatechange = Prototype.emptyFunction; |
1333 | } |
1334 | }, |
1335 | |
1336 | getHeader: function(name) { |
1337 | try { |
1338 | return this.transport.getResponseHeader(name); |
1339 | } catch (e) { return null } |
1340 | }, |
1341 | |
1342 | evalResponse: function() { |
1343 | try { |
1344 | return eval((this.transport.responseText || '').unfilterJSON()); |
1345 | } catch (e) { |
1346 | this.dispatchException(e); |
1347 | } |
1348 | }, |
1349 | |
1350 | dispatchException: function(exception) { |
1351 | (this.options.onException || Prototype.emptyFunction)(this, exception); |
1352 | Ajax.Responders.dispatch('onException', this, exception); |
1353 | } |
1354 | }); |
1355 | |
1356 | Ajax.Request.Events = |
1357 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
1358 | |
1359 | Ajax.Response = Class.create({ |
1360 | initialize: function(request){ |
1361 | this.request = request; |
1362 | var transport = this.transport = request.transport, |
1363 | readyState = this.readyState = transport.readyState; |
1364 | |
1365 | if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { |
1366 | this.status = this.getStatus(); |
1367 | this.statusText = this.getStatusText(); |
1368 | this.responseText = String.interpret(transport.responseText); |
1369 | this.headerJSON = this._getHeaderJSON(); |
1370 | } |
1371 | |
1372 | if(readyState == 4) { |
1373 | var xml = transport.responseXML; |
1374 | this.responseXML = xml === undefined ? null : xml; |
1375 | this.responseJSON = this._getResponseJSON(); |
1376 | } |
1377 | }, |
1378 | |
1379 | status: 0, |
1380 | statusText: '', |
1381 | |
1382 | getStatus: Ajax.Request.prototype.getStatus, |
1383 | |
1384 | getStatusText: function() { |
1385 | try { |
1386 | return this.transport.statusText || ''; |
1387 | } catch (e) { return '' } |
1388 | }, |
1389 | |
1390 | getHeader: Ajax.Request.prototype.getHeader, |
1391 | |
1392 | getAllHeaders: function() { |
1393 | try { |
1394 | return this.getAllResponseHeaders(); |
1395 | } catch (e) { return null } |
1396 | }, |
1397 | |
1398 | getResponseHeader: function(name) { |
1399 | return this.transport.getResponseHeader(name); |
1400 | }, |
1401 | |
1402 | getAllResponseHeaders: function() { |
1403 | return this.transport.getAllResponseHeaders(); |
1404 | }, |
1405 | |
1406 | _getHeaderJSON: function() { |
1407 | var json = this.getHeader('X-JSON'); |
1408 | if (!json) return null; |
1409 | json = decodeURIComponent(escape(json)); |
1410 | try { |
1411 | return json.evalJSON(this.request.options.sanitizeJSON); |
1412 | } catch (e) { |
1413 | this.request.dispatchException(e); |
1414 | } |
1415 | }, |
1416 | |
1417 | _getResponseJSON: function() { |
1418 | var options = this.request.options; |
1419 | if (!options.evalJSON || (options.evalJSON != 'force' && |
1420 | !(this.getHeader('Content-type') || '').include('application/json'))) |
1421 | return null; |
1422 | try { |
1423 | return this.transport.responseText.evalJSON(options.sanitizeJSON); |
1424 | } catch (e) { |
1425 | this.request.dispatchException(e); |
1426 | } |
1427 | } |
1428 | }); |
1429 | |
1430 | Ajax.Updater = Class.create(Ajax.Request, { |
1431 | initialize: function($super, container, url, options) { |
1432 | this.container = { |
1433 | success: (container.success || container), |
1434 | failure: (container.failure || (container.success ? null : container)) |
1435 | }; |
1436 | |
1437 | options = options || { }; |
1438 | var onComplete = options.onComplete; |
1439 | options.onComplete = (function(response, param) { |
1440 | this.updateContent(response.responseText); |
1441 | if (Object.isFunction(onComplete)) onComplete(response, param); |
1442 | }).bind(this); |
1443 | |
1444 | $super(url, options); |
1445 | }, |
1446 | |
1447 | updateContent: function(responseText) { |
1448 | var receiver = this.container[this.success() ? 'success' : 'failure'], |
1449 | options = this.options; |
1450 | |
1451 | if (!options.evalScripts) responseText = responseText.stripScripts(); |
1452 | |
1453 | if (receiver = $(receiver)) { |
1454 | if (options.insertion) { |
1455 | if (Object.isString(options.insertion)) { |
1456 | var insertion = { }; insertion[options.insertion] = responseText; |
1457 | receiver.insert(insertion); |
1458 | } |
1459 | else options.insertion(receiver, responseText); |
1460 | } |
1461 | else receiver.update(responseText); |
1462 | } |
1463 | |
1464 | if (this.success()) { |
1465 | if (this.onComplete) this.onComplete.bind(this).defer(); |
1466 | } |
1467 | } |
1468 | }); |
1469 | |
1470 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
1471 | initialize: function($super, container, url, options) { |
1472 | $super(options); |
1473 | this.onComplete = this.options.onComplete; |
1474 | |
1475 | this.frequency = (this.options.frequency || 2); |
1476 | this.decay = (this.options.decay || 1); |
1477 | |
1478 | this.updater = { }; |
1479 | this.container = container; |
1480 | this.url = url; |
1481 | |
1482 | this.start(); |
1483 | }, |
1484 | |
1485 | start: function() { |
1486 | this.options.onComplete = this.updateComplete.bind(this); |
1487 | this.onTimerEvent(); |
1488 | }, |
1489 | |
1490 | stop: function() { |
1491 | this.updater.options.onComplete = undefined; |
1492 | clearTimeout(this.timer); |
1493 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
1494 | }, |
1495 | |
1496 | updateComplete: function(response) { |
1497 | if (this.options.decay) { |
1498 | this.decay = (response.responseText == this.lastText ? |
1499 | this.decay * this.options.decay : 1); |
1500 | |
1501 | this.lastText = response.responseText; |
1502 | } |
1503 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
1504 | }, |
1505 | |
1506 | onTimerEvent: function() { |
1507 | this.updater = new Ajax.Updater(this.container, this.url, this.options); |
1508 | } |
1509 | }); |
1510 | function $(element) { |
1511 | if (arguments.length > 1) { |
1512 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
1513 | elements.push($(arguments[i])); |
1514 | return elements; |
1515 | } |
1516 | if (Object.isString(element)) |
1517 | element = document.getElementById(element); |
1518 | return Element.extend(element); |
1519 | } |
1520 | |
1521 | if (Prototype.BrowserFeatures.XPath) { |
1522 | document._getElementsByXPath = function(expression, parentElement) { |
1523 | var results = []; |
1524 | var query = document.evaluate(expression, $(parentElement) || document, |
1525 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
1526 | for (var i = 0, length = query.snapshotLength; i < length; i++) |
1527 | results.push(Element.extend(query.snapshotItem(i))); |
1528 | return results; |
1529 | }; |
1530 | } |
1531 | |
1532 | /*--------------------------------------------------------------------------*/ |
1533 | |
1534 | if (!window.Node) var Node = { }; |
1535 | |
1536 | if (!Node.ELEMENT_NODE) { |
1537 | // DOM level 2 ECMAScript Language Binding |
1538 | Object.extend(Node, { |
1539 | ELEMENT_NODE: 1, |
1540 | ATTRIBUTE_NODE: 2, |
1541 | TEXT_NODE: 3, |
1542 | CDATA_SECTION_NODE: 4, |
1543 | ENTITY_REFERENCE_NODE: 5, |
1544 | ENTITY_NODE: 6, |
1545 | PROCESSING_INSTRUCTION_NODE: 7, |
1546 | COMMENT_NODE: 8, |
1547 | DOCUMENT_NODE: 9, |
1548 | DOCUMENT_TYPE_NODE: 10, |
1549 | DOCUMENT_FRAGMENT_NODE: 11, |
1550 | NOTATION_NODE: 12 |
1551 | }); |
1552 | } |
1553 | |
1554 | (function() { |
1555 | var element = this.Element; |
1556 | this.Element = function(tagName, attributes) { |
1557 | attributes = attributes || { }; |
1558 | tagName = tagName.toLowerCase(); |
1559 | var cache = Element.cache; |
1560 | if (Prototype.Browser.IE && attributes.name) { |
1561 | tagName = '<' + tagName + ' name="' + attributes.name + '">'; |
1562 | delete attributes.name; |
1563 | return Element.writeAttribute(document.createElement(tagName), attributes); |
1564 | } |
1565 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
1566 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); |
1567 | }; |
1568 | Object.extend(this.Element, element || { }); |
1569 | }).call(window); |
1570 | |
1571 | Element.cache = { }; |
1572 | |
1573 | Element.Methods = { |
1574 | visible: function(element) { |
1575 | return $(element).style.display != 'none'; |
1576 | }, |
1577 | |
1578 | toggle: function(element) { |
1579 | element = $(element); |
1580 | Element[Element.visible(element) ? 'hide' : 'show'](element); |
1581 | return element; |
1582 | }, |
1583 | |
1584 | hide: function(element) { |
1585 | $(element).style.display = 'none'; |
1586 | return element; |
1587 | }, |
1588 | |
1589 | show: function(element) { |
1590 | $(element).style.display = ''; |
1591 | return element; |
1592 | }, |
1593 | |
1594 | remove: function(element) { |
1595 | element = $(element); |
1596 | element.parentNode.removeChild(element); |
1597 | return element; |
1598 | }, |
1599 | |
1600 | update: function(element, content) { |
1601 | element = $(element); |
1602 | if (content && content.toElement) content = content.toElement(); |
1603 | if (Object.isElement(content)) return element.update().insert(content); |
1604 | content = Object.toHTML(content); |
1605 | element.innerHTML = content.stripScripts(); |
1606 | content.evalScripts.bind(content).defer(); |
1607 | return element; |
1608 | }, |
1609 | |
1610 | replace: function(element, content) { |
1611 | element = $(element); |
1612 | if (content && content.toElement) content = content.toElement(); |
1613 | else if (!Object.isElement(content)) { |
1614 | content = Object.toHTML(content); |
1615 | var range = element.ownerDocument.createRange(); |
1616 | range.selectNode(element); |
1617 | content.evalScripts.bind(content).defer(); |
1618 | content = range.createContextualFragment(content.stripScripts()); |
1619 | } |
1620 | element.parentNode.replaceChild(content, element); |
1621 | return element; |
1622 | }, |
1623 | |
1624 | insert: function(element, insertions) { |
1625 | element = $(element); |
1626 | |
1627 | if (Object.isString(insertions) || Object.isNumber(insertions) || |
1628 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
1629 | insertions = {bottom:insertions}; |
1630 | |
1631 | var content, t, range; |
1632 | |
1633 | for (position in insertions) { |
1634 | content = insertions[position]; |
1635 | position = position.toLowerCase(); |
1636 | t = Element._insertionTranslations[position]; |
1637 | |
1638 | if (content && content.toElement) content = content.toElement(); |
1639 | if (Object.isElement(content)) { |
1640 | t.insert(element, content); |
1641 | continue; |
1642 | } |
1643 | |
1644 | content = Object.toHTML(content); |
1645 | |
1646 | range = element.ownerDocument.createRange(); |
1647 | t.initializeRange(element, range); |
1648 | t.insert(element, range.createContextualFragment(content.stripScripts())); |
1649 | |
1650 | content.evalScripts.bind(content).defer(); |
1651 | } |
1652 | |
1653 | return element; |
1654 | }, |
1655 | |
1656 | wrap: function(element, wrapper, attributes) { |
1657 | element = $(element); |
1658 | if (Object.isElement(wrapper)) |
1659 | $(wrapper).writeAttribute(attributes || { }); |
1660 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); |
1661 | else wrapper = new Element('div', wrapper); |
1662 | if (element.parentNode) |
1663 | element.parentNode.replaceChild(wrapper, element); |
1664 | wrapper.appendChild(element); |
1665 | return wrapper; |
1666 | }, |
1667 | |
1668 | inspect: function(element) { |
1669 | element = $(element); |
1670 | var result = '<' + element.tagName.toLowerCase(); |
1671 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
1672 | var property = pair.first(), attribute = pair.last(); |
1673 | var value = (element[property] || '').toString(); |
1674 | if (value) result += ' ' + attribute + '=' + value.inspect(true); |
1675 | }); |
1676 | return result + '>'; |
1677 | }, |
1678 | |
1679 | recursivelyCollect: function(element, property) { |
1680 | element = $(element); |
1681 | var elements = []; |
1682 | while (element = element[property]) |
1683 | if (element.nodeType == 1) |
1684 | elements.push(Element.extend(element)); |
1685 | return elements; |
1686 | }, |
1687 | |
1688 | ancestors: function(element) { |
1689 | return $(element).recursivelyCollect('parentNode'); |
1690 | }, |
1691 | |
1692 | descendants: function(element) { |
1693 | return $A($(element).getElementsByTagName('*')).each(Element.extend); |
1694 | }, |
1695 | |
1696 | firstDescendant: function(element) { |
1697 | element = $(element).firstChild; |
1698 | while (element && element.nodeType != 1) element = element.nextSibling; |
1699 | return $(element); |
1700 | }, |
1701 | |
1702 | immediateDescendants: function(element) { |
1703 | if (!(element = $(element).firstChild)) return []; |
1704 | while (element && element.nodeType != 1) element = element.nextSibling; |
1705 | if (element) return [element].concat($(element).nextSiblings()); |
1706 | return []; |
1707 | }, |
1708 | |
1709 | previousSiblings: function(element) { |
1710 | return $(element).recursivelyCollect('previousSibling'); |
1711 | }, |
1712 | |
1713 | nextSiblings: function(element) { |
1714 | return $(element).recursivelyCollect('nextSibling'); |
1715 | }, |
1716 | |
1717 | siblings: function(element) { |
1718 | element = $(element); |
1719 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
1720 | }, |
1721 | |
1722 | match: function(element, selector) { |
1723 | if (Object.isString(selector)) |
1724 | selector = new Selector(selector); |
1725 | return selector.match($(element)); |
1726 | }, |
1727 | |
1728 | up: function(element, expression, index) { |
1729 | element = $(element); |
1730 | if (arguments.length == 1) return $(element.parentNode); |
1731 | var ancestors = element.ancestors(); |
1732 | return expression ? Selector.findElement(ancestors, expression, index) : |
1733 | ancestors[index || 0]; |
1734 | }, |
1735 | |
1736 | down: function(element, expression, index) { |
1737 | element = $(element); |
1738 | if (arguments.length == 1) return element.firstDescendant(); |
1739 | var descendants = element.descendants(); |
1740 | return expression ? Selector.findElement(descendants, expression, index) : |
1741 | descendants[index || 0]; |
1742 | }, |
1743 | |
1744 | previous: function(element, expression, index) { |
1745 | element = $(element); |
1746 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
1747 | var previousSiblings = element.previousSiblings(); |
1748 | return expression ? Selector.findElement(previousSiblings, expression, index) : |
1749 | previousSiblings[index || 0]; |
1750 | }, |
1751 | |
1752 | next: function(element, expression, index) { |
1753 | element = $(element); |
1754 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
1755 | var nextSiblings = element.nextSiblings(); |
1756 | return expression ? Selector.findElement(nextSiblings, expression, index) : |
1757 | nextSiblings[index || 0]; |
1758 | }, |
1759 | |
1760 | select: function() { |
1761 | var args = $A(arguments), element = $(args.shift()); |
1762 | return Selector.findChildElements(element, args); |
1763 | }, |
1764 | |
1765 | adjacent: function() { |
1766 | var args = $A(arguments), element = $(args.shift()); |
1767 | return Selector.findChildElements(element.parentNode, args).without(element); |
1768 | }, |
1769 | |
1770 | identify: function(element) { |
1771 | element = $(element); |
1772 | var id = element.readAttribute('id'), self = arguments.callee; |
1773 | if (id) return id; |
1774 | do { id = 'anonymous_element_' + self.counter++ } while ($(id)); |
1775 | element.writeAttribute('id', id); |
1776 | return id; |
1777 | }, |
1778 | |
1779 | readAttribute: function(element, name) { |
1780 | element = $(element); |
1781 | if (Prototype.Browser.IE) { |
1782 | var t = Element._attributeTranslations.read; |
1783 | if (t.values[name]) return t.values[name](element, name); |
1784 | if (t.names[name]) name = t.names[name]; |
1785 | if (name.include(':')) { |
1786 | return (!element.attributes || !element.attributes[name]) ? null : |
1787 | element.attributes[name].value; |
1788 | } |
1789 | } |
1790 | return element.getAttribute(name); |
1791 | }, |
1792 | |
1793 | writeAttribute: function(element, name, value) { |
1794 | element = $(element); |
1795 | var attributes = { }, t = Element._attributeTranslations.write; |
1796 | |
1797 | if (typeof name == 'object') attributes = name; |
1798 | else attributes[name] = value === undefined ? true : value; |
1799 | |
1800 | for (var attr in attributes) { |
1801 | var name = t.names[attr] || attr, value = attributes[attr]; |
1802 | if (t.values[attr]) name = t.values[attr](element, value); |
1803 | if (value === false || value === null) |
1804 | element.removeAttribute(name); |
1805 | else if (value === true) |
1806 | element.setAttribute(name, name); |
1807 | else element.setAttribute(name, value); |
1808 | } |
1809 | return element; |
1810 | }, |
1811 | |
1812 | getHeight: function(element) { |
1813 | return $(element).getDimensions().height; |
1814 | }, |
1815 | |
1816 | getWidth: function(element) { |
1817 | return $(element).getDimensions().width; |
1818 | }, |
1819 | |
1820 | classNames: function(element) { |
1821 | return new Element.ClassNames(element); |
1822 | }, |
1823 | |
1824 | hasClassName: function(element, className) { |
1825 | if (!(element = $(element))) return; |
1826 | var elementClassName = element.className; |
1827 | return (elementClassName.length > 0 && (elementClassName == className || |
1828 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); |
1829 | }, |
1830 | |
1831 | addClassName: function(element, className) { |
1832 | if (!(element = $(element))) return; |
1833 | if (!element.hasClassName(className)) |
1834 | element.className += (element.className ? ' ' : '') + className; |
1835 | return element; |
1836 | }, |
1837 | |
1838 | removeClassName: function(element, className) { |
1839 | if (!(element = $(element))) return; |
1840 | element.className = element.className.replace( |
1841 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); |
1842 | return element; |
1843 | }, |
1844 | |
1845 | toggleClassName: function(element, className) { |
1846 | if (!(element = $(element))) return; |
1847 | return element[element.hasClassName(className) ? |
1848 | 'removeClassName' : 'addClassName'](className); |
1849 | }, |
1850 | |
1851 | // removes whitespace-only text node children |
1852 | cleanWhitespace: function(element) { |
1853 | element = $(element); |
1854 | var node = element.firstChild; |
1855 | while (node) { |
1856 | var nextNode = node.nextSibling; |
1857 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
1858 | element.removeChild(node); |
1859 | node = nextNode; |
1860 | } |
1861 | return element; |
1862 | }, |
1863 | |
1864 | empty: function(element) { |
1865 | return $(element).innerHTML.blank(); |
1866 | }, |
1867 | |
1868 | descendantOf: function(element, ancestor) { |
1869 | element = $(element), ancestor = $(ancestor); |
1870 | |
1871 | if (element.compareDocumentPosition) |
1872 | return (element.compareDocumentPosition(ancestor) & 8) === 8; |
1873 | |
1874 | if (element.sourceIndex && !Prototype.Browser.Opera) { |
1875 | var e = element.sourceIndex, a = ancestor.sourceIndex, |
1876 | nextAncestor = ancestor.nextSibling; |
1877 | if (!nextAncestor) { |
1878 | do { ancestor = ancestor.parentNode; } |
1879 | while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); |
1880 | } |
1881 | if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex); |
1882 | } |
1883 | |
1884 | while (element = element.parentNode) |
1885 | if (element == ancestor) return true; |
1886 | return false; |
1887 | }, |
1888 | |
1889 | scrollTo: function(element) { |
1890 | element = $(element); |
1891 | var pos = element.cumulativeOffset(); |
1892 | window.scrollTo(pos[0], pos[1]); |
1893 | return element; |
1894 | }, |
1895 | |
1896 | getStyle: function(element, style) { |
1897 | element = $(element); |
1898 | style = style == 'float' ? 'cssFloat' : style.camelize(); |
1899 | var value = element.style[style]; |
1900 | if (!value) { |
1901 | var css = document.defaultView.getComputedStyle(element, null); |
1902 | value = css ? css[style] : null; |
1903 | } |
1904 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
1905 | return value == 'auto' ? null : value; |
1906 | }, |
1907 | |
1908 | getOpacity: function(element) { |
1909 | return $(element).getStyle('opacity'); |
1910 | }, |
1911 | |
1912 | setStyle: function(element, styles) { |
1913 | element = $(element); |
1914 | var elementStyle = element.style, match; |
1915 | if (Object.isString(styles)) { |
1916 | element.style.cssText += ';' + styles; |
1917 | return styles.include('opacity') ? |
1918 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; |
1919 | } |
1920 | for (var property in styles) |
1921 | if (property == 'opacity') element.setOpacity(styles[property]); |
1922 | else |
1923 | elementStyle[(property == 'float' || property == 'cssFloat') ? |
1924 | (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : |
1925 | property] = styles[property]; |
1926 | |
1927 | return element; |
1928 | }, |
1929 | |
1930 | setOpacity: function(element, value) { |
1931 | element = $(element); |
1932 | element.style.opacity = (value == 1 || value === '') ? '' : |
1933 | (value < 0.00001) ? 0 : value; |
1934 | return element; |
1935 | }, |
1936 | |
1937 | getDimensions: function(element) { |
1938 | element = $(element); |
1939 | var display = $(element).getStyle('display'); |
1940 | if (display != 'none' && display != null) // Safari bug |
1941 | return {width: element.offsetWidth, height: element.offsetHeight}; |
1942 | |
1943 | // All *Width and *Height properties give 0 on elements with display none, |
1944 | // so enable the element temporarily |
1945 | var els = element.style; |
1946 | var originalVisibility = els.visibility; |
1947 | var originalPosition = els.position; |
1948 | var originalDisplay = els.display; |
1949 | els.visibility = 'hidden'; |
1950 | els.position = 'absolute'; |
1951 | els.display = 'block'; |
1952 | var originalWidth = element.clientWidth; |
1953 | var originalHeight = element.clientHeight; |
1954 | els.display = originalDisplay; |
1955 | els.position = originalPosition; |
1956 | els.visibility = originalVisibility; |
1957 | return {width: originalWidth, height: originalHeight}; |
1958 | }, |
1959 | |
1960 | makePositioned: function(element) { |
1961 | element = $(element); |
1962 | var pos = Element.getStyle(element, 'position'); |
1963 | if (pos == 'static' || !pos) { |
1964 | element._madePositioned = true; |
1965 | element.style.position = 'relative'; |
1966 | // Opera returns the offset relative to the positioning context, when an |
1967 | // element is position relative but top and left have not been defined |
1968 | if (window.opera) { |
1969 | element.style.top = 0; |
1970 | element.style.left = 0; |
1971 | } |
1972 | } |
1973 | return element; |
1974 | }, |
1975 | |
1976 | undoPositioned: function(element) { |
1977 | element = $(element); |
1978 | if (element._madePositioned) { |
1979 | element._madePositioned = undefined; |
1980 | element.style.position = |
1981 | element.style.top = |
1982 | element.style.left = |
1983 | element.style.bottom = |
1984 | element.style.right = ''; |
1985 | } |
1986 | return element; |
1987 | }, |
1988 | |
1989 | makeClipping: function(element) { |
1990 | element = $(element); |
1991 | if (element._overflow) return element; |
1992 | element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
1993 | if (element._overflow !== 'hidden') |
1994 | element.style.overflow = 'hidden'; |
1995 | return element; |
1996 | }, |
1997 | |
1998 | undoClipping: function(element) { |
1999 | element = $(element); |
2000 | if (!element._overflow) return element; |
2001 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
2002 | element._overflow = null; |
2003 | return element; |
2004 | }, |
2005 | |
2006 | cumulativeOffset: function(element) { |
2007 | var valueT = 0, valueL = 0; |
2008 | do { |
2009 | valueT += element.offsetTop || 0; |
2010 | valueL += element.offsetLeft || 0; |
2011 | element = element.offsetParent; |
2012 | } while (element); |
2013 | return Element._returnOffset(valueL, valueT); |
2014 | }, |
2015 | |
2016 | positionedOffset: function(element) { |
2017 | var valueT = 0, valueL = 0; |
2018 | do { |
2019 | valueT += element.offsetTop || 0; |
2020 | valueL += element.offsetLeft || 0; |
2021 | element = element.offsetParent; |
2022 | if (element) { |
2023 | if (element.tagName == 'BODY') break; |
2024 | var p = Element.getStyle(element, 'position'); |
2025 | if (p == 'relative' || p == 'absolute') break; |
2026 | } |
2027 | } while (element); |
2028 | return Element._returnOffset(valueL, valueT); |
2029 | }, |
2030 | |
2031 | absolutize: function(element) { |
2032 | element = $(element); |
2033 | if (element.getStyle('position') == 'absolute') return; |
2034 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
2035 | |
2036 | var offsets = element.positionedOffset(); |
2037 | var top = offsets[1]; |
2038 | var left = offsets[0]; |
2039 | var width = element.clientWidth; |
2040 | var height = element.clientHeight; |
2041 | |
2042 | element._originalLeft = left - parseFloat(element.style.left || 0); |
2043 | element._originalTop = top - parseFloat(element.style.top || 0); |
2044 | element._originalWidth = element.style.width; |
2045 | element._originalHeight = element.style.height; |
2046 | |
2047 | element.style.position = 'absolute'; |
2048 | element.style.top = top + 'px'; |
2049 | element.style.left = left + 'px'; |
2050 | element.style.width = width + 'px'; |
2051 | element.style.height = height + 'px'; |
2052 | return element; |
2053 | }, |
2054 | |
2055 | relativize: function(element) { |
2056 | element = $(element); |
2057 | if (element.getStyle('position') == 'relative') return; |
2058 | // Position.prepare(); // To be done manually by Scripty when it needs it. |
2059 | |
2060 | element.style.position = 'relative'; |
2061 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
2062 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
2063 | |
2064 | element.style.top = top + 'px'; |
2065 | element.style.left = left + 'px'; |
2066 | element.style.height = element._originalHeight; |
2067 | element.style.width = element._originalWidth; |
2068 | return element; |
2069 | }, |
2070 | |
2071 | cumulativeScrollOffset: function(element) { |
2072 | var valueT = 0, valueL = 0; |
2073 | do { |
2074 | valueT += element.scrollTop || 0; |
2075 | valueL += element.scrollLeft || 0; |
2076 | element = element.parentNode; |
2077 | } while (element); |
2078 | return Element._returnOffset(valueL, valueT); |
2079 | }, |
2080 | |
2081 | getOffsetParent: function(element) { |
2082 | if (element.offsetParent) return $(element.offsetParent); |
2083 | if (element == document.body) return $(element); |
2084 | |
2085 | while ((element = element.parentNode) && element != document.body) |
2086 | if (Element.getStyle(element, 'position') != 'static') |
2087 | return $(element); |
2088 | |
2089 | return $(document.body); |
2090 | }, |
2091 | |
2092 | viewportOffset: function(forElement) { |
2093 | var valueT = 0, valueL = 0; |
2094 | |
2095 | var element = forElement; |
2096 | do { |
2097 | valueT += element.offsetTop || 0; |
2098 | valueL += element.offsetLeft || 0; |
2099 | |
2100 | // Safari fix |
2101 | if (element.offsetParent == document.body && |
2102 | Element.getStyle(element, 'position') == 'absolute') break; |
2103 | |
2104 | } while (element = element.offsetParent); |
2105 | |
2106 | element = forElement; |
2107 | do { |
2108 | if (!Prototype.Browser.Opera || element.tagName == 'BODY') { |
2109 | valueT -= element.scrollTop || 0; |
2110 | valueL -= element.scrollLeft || 0; |
2111 | } |
2112 | } while (element = element.parentNode); |
2113 | |
2114 | return Element._returnOffset(valueL, valueT); |
2115 | }, |
2116 | |
2117 | clonePosition: function(element, source) { |
2118 | var options = Object.extend({ |
2119 | setLeft: true, |
2120 | setTop: true, |
2121 | setWidth: true, |
2122 | setHeight: true, |
2123 | offsetTop: 0, |
2124 | offsetLeft: 0 |
2125 | }, arguments[2] || { }); |
2126 | |
2127 | // find page position of source |
2128 | source = $(source); |
2129 | var p = source.viewportOffset(); |
2130 | |
2131 | // find coordinate system to use |
2132 | element = $(element); |
2133 | var delta = [0, 0]; |
2134 | var parent = null; |
2135 | // delta [0,0] will do fine with position: fixed elements, |
2136 | // position:absolute needs offsetParent deltas |
2137 | if (Element.getStyle(element, 'position') == 'absolute') { |
2138 | parent = element.getOffsetParent(); |
2139 | delta = parent.viewportOffset(); |
2140 | } |
2141 | |
2142 | // correct by body offsets (fixes Safari) |
2143 | if (parent == document.body) { |
2144 | delta[0] -= document.body.offsetLeft; |
2145 | delta[1] -= document.body.offsetTop; |
2146 | } |
2147 | |
2148 | // set position |
2149 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
2150 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
2151 | if (options.setWidth) element.style.width = source.offsetWidth + 'px'; |
2152 | if (options.setHeight) element.style.height = source.offsetHeight + 'px'; |
2153 | return element; |
2154 | } |
2155 | }; |
2156 | |
2157 | Element.Methods.identify.counter = 1; |
2158 | |
2159 | Object.extend(Element.Methods, { |
2160 | getElementsBySelector: Element.Methods.select, |
2161 | childElements: Element.Methods.immediateDescendants |
2162 | }); |
2163 | |
2164 | Element._attributeTranslations = { |
2165 | write: { |
2166 | names: { |
2167 | className: 'class', |
2168 | htmlFor: 'for' |
2169 | }, |
2170 | values: { } |
2171 | } |
2172 | }; |
2173 | |
2174 | |
2175 | if (!document.createRange || Prototype.Browser.Opera) { |
2176 | Element.Methods.insert = function(element, insertions) { |
2177 | element = $(element); |
2178 | |
2179 | if (Object.isString(insertions) || Object.isNumber(insertions) || |
2180 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
2181 | insertions = { bottom: insertions }; |
2182 | |
2183 | var t = Element._insertionTranslations, content, position, pos, tagName; |
2184 | |
2185 | for (position in insertions) { |
2186 | content = insertions[position]; |
2187 | position = position.toLowerCase(); |
2188 | pos = t[position]; |
2189 | |
2190 | if (content && content.toElement) content = content.toElement(); |
2191 | if (Object.isElement(content)) { |
2192 | pos.insert(element, content); |
2193 | continue; |
2194 | } |
2195 | |
2196 | content = Object.toHTML(content); |
2197 | tagName = ((position == 'before' || position == 'after') |
2198 | ? element.parentNode : element).tagName.toUpperCase(); |
2199 | |
2200 | if (t.tags[tagName]) { |
2201 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
2202 | if (position == 'top' || position == 'after') fragments.reverse(); |
2203 | fragments.each(pos.insert.curry(element)); |
2204 | } |
2205 | else element.insertAdjacentHTML(pos.adjacency, content.stripScripts()); |
2206 | |
2207 | content.evalScripts.bind(content).defer(); |
2208 | } |
2209 | |
2210 | return element; |
2211 | }; |
2212 | } |
2213 | |
2214 | if (Prototype.Browser.Opera) { |
2215 | Element.Methods._getStyle = Element.Methods.getStyle; |
2216 | Element.Methods.getStyle = function(element, style) { |
2217 | switch(style) { |
2218 | case 'left': |
2219 | case 'top': |
2220 | case 'right': |
2221 | case 'bottom': |
2222 | if (Element._getStyle(element, 'position') == 'static') return null; |
2223 | default: return Element._getStyle(element, style); |
2224 | } |
2225 | }; |
2226 | Element.Methods._readAttribute = Element.Methods.readAttribute; |
2227 | Element.Methods.readAttribute = function(element, attribute) { |
2228 | if (attribute == 'title') return element.title; |
2229 | return Element._readAttribute(element, attribute); |
2230 | }; |
2231 | } |
2232 | |
2233 | else if (Prototype.Browser.IE) { |
2234 | $w('positionedOffset getOffsetParent viewportOffset').each(function(method) { |
2235 | Element.Methods[method] = Element.Methods[method].wrap( |
2236 | function(proceed, element) { |
2237 | element = $(element); |
2238 | var position = element.getStyle('position'); |
2239 | if (position != 'static') return proceed(element); |
2240 | element.setStyle({ position: 'relative' }); |
2241 | var value = proceed(element); |
2242 | element.setStyle({ position: position }); |
2243 | return value; |
2244 | } |
2245 | ); |
2246 | }); |
2247 | |
2248 | Element.Methods.getStyle = function(element, style) { |
2249 | element = $(element); |
2250 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
2251 | var value = element.style[style]; |
2252 | if (!value && element.currentStyle) value = element.currentStyle[style]; |
2253 | |
2254 | if (style == 'opacity') { |
2255 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
2256 | if (value[1]) return parseFloat(value[1]) / 100; |
2257 | return 1.0; |
2258 | } |
2259 | |
2260 | if (value == 'auto') { |
2261 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
2262 | return element['offset' + style.capitalize()] + 'px'; |
2263 | return null; |
2264 | } |
2265 | return value; |
2266 | }; |
2267 | |
2268 | Element.Methods.setOpacity = function(element, value) { |
2269 | function stripAlpha(filter){ |
2270 | return filter.replace(/alpha\([^\)]*\)/gi,''); |
2271 | } |
2272 | element = $(element); |
2273 | var currentStyle = element.currentStyle; |
2274 | if ((currentStyle && !currentStyle.hasLayout) || |
2275 | (!currentStyle && element.style.zoom == 'normal')) |
2276 | element.style.zoom = 1; |
2277 | |
2278 | var filter = element.getStyle('filter'), style = element.style; |
2279 | if (value == 1 || value === '') { |
2280 | (filter = stripAlpha(filter)) ? |
2281 | style.filter = filter : style.removeAttribute('filter'); |
2282 | return element; |
2283 | } else if (value < 0.00001) value = 0; |
2284 | style.filter = stripAlpha(filter) + |
2285 | 'alpha(opacity=' + (value * 100) + ')'; |
2286 | return element; |
2287 | }; |
2288 | |
2289 | Element._attributeTranslations = { |
2290 | read: { |
2291 | names: { |
2292 | 'class': 'className', |
2293 | 'for': 'htmlFor' |
2294 | }, |
2295 | values: { |
2296 | _getAttr: function(element, attribute) { |
2297 | return element.getAttribute(attribute, 2); |
2298 | }, |
2299 | _getAttrNode: function(element, attribute) { |
2300 | var node = element.getAttributeNode(attribute); |
2301 | return node ? node.value : ""; |
2302 | }, |
2303 | _getEv: function(element, attribute) { |
2304 | var attribute = element.getAttribute(attribute); |
2305 | return attribute ? attribute.toString().slice(23, -2) : null; |
2306 | }, |
2307 | _flag: function(element, attribute) { |
2308 | return $(element).hasAttribute(attribute) ? attribute : null; |
2309 | }, |
2310 | style: function(element) { |
2311 | return element.style.cssText.toLowerCase(); |
2312 | }, |
2313 | title: function(element) { |
2314 | return element.title; |
2315 | } |
2316 | } |
2317 | } |
2318 | }; |
2319 | |
2320 | Element._attributeTranslations.write = { |
2321 | names: Object.clone(Element._attributeTranslations.read.names), |
2322 | values: { |
2323 | checked: function(element, value) { |
2324 | element.checked = !!value; |
2325 | }, |
2326 | |
2327 | style: function(element, value) { |
2328 | element.style.cssText = value ? value : ''; |
2329 | } |
2330 | } |
2331 | }; |
2332 | |
2333 | Element._attributeTranslations.has = {}; |
2334 | |
2335 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + |
2336 | 'encType maxLength readOnly longDesc').each(function(attr) { |
2337 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; |
2338 | Element._attributeTranslations.has[attr.toLowerCase()] = attr; |
2339 | }); |
2340 | |
2341 | (function(v) { |
2342 | Object.extend(v, { |
2343 | href: v._getAttr, |
2344 | src: v._getAttr, |
2345 | type: v._getAttr, |
2346 | action: v._getAttrNode, |
2347 | disabled: v._flag, |
2348 | checked: v._flag, |
2349 | readonly: v._flag, |
2350 | multiple: v._flag, |
2351 | onload: v._getEv, |
2352 | onunload: v._getEv, |
2353 | onclick: v._getEv, |
2354 | ondblclick: v._getEv, |
2355 | onmousedown: v._getEv, |
2356 | onmouseup: v._getEv, |
2357 | onmouseover: v._getEv, |
2358 | onmousemove: v._getEv, |
2359 | onmouseout: v._getEv, |
2360 | onfocus: v._getEv, |
2361 | onblur: v._getEv, |
2362 | onkeypress: v._getEv, |
2363 | onkeydown: v._getEv, |
2364 | onkeyup: v._getEv, |
2365 | onsubmit: v._getEv, |
2366 | onreset: v._getEv, |
2367 | onselect: v._getEv, |
2368 | onchange: v._getEv |
2369 | }); |
2370 | })(Element._attributeTranslations.read.values); |
2371 | } |
2372 | |
2373 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { |
2374 | Element.Methods.setOpacity = function(element, value) { |
2375 | element = $(element); |
2376 | element.style.opacity = (value == 1) ? 0.999999 : |
2377 | (value === '') ? '' : (value < 0.00001) ? 0 : value; |
2378 | return element; |
2379 | }; |
2380 | } |
2381 | |
2382 | else if (Prototype.Browser.WebKit) { |
2383 | Element.Methods.setOpacity = function(element, value) { |
2384 | element = $(element); |
2385 | element.style.opacity = (value == 1 || value === '') ? '' : |
2386 | (value < 0.00001) ? 0 : value; |
2387 | |
2388 | if (value == 1) |
2389 | if(element.tagName == 'IMG' && element.width) { |
2390 | element.width++; element.width--; |
2391 | } else try { |
2392 | var n = document.createTextNode(' '); |
2393 | element.appendChild(n); |
2394 | element.removeChild(n); |
2395 | } catch (e) { } |
2396 | |
2397 | return element; |
2398 | }; |
2399 | |
2400 | // Safari returns margins on body which is incorrect if the child is absolutely |
2401 | // positioned. For performance reasons, redefine Position.cumulativeOffset for |
2402 | // KHTML/WebKit only. |
2403 | Element.Methods.cumulativeOffset = function(element) { |
2404 | var valueT = 0, valueL = 0; |
2405 | do { |
2406 | valueT += element.offsetTop || 0; |
2407 | valueL += element.offsetLeft || 0; |
2408 | if (element.offsetParent == document.body) |
2409 | if (Element.getStyle(element, 'position') == 'absolute') break; |
2410 | |
2411 | element = element.offsetParent; |
2412 | } while (element); |
2413 | |
2414 | return Element._returnOffset(valueL, valueT); |
2415 | }; |
2416 | } |
2417 | |
2418 | if (Prototype.Browser.IE || Prototype.Browser.Opera) { |
2419 | // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements |
2420 | Element.Methods.update = function(element, content) { |
2421 | element = $(element); |
2422 | |
2423 | if (content && content.toElement) content = content.toElement(); |
2424 | if (Object.isElement(content)) return element.update().insert(content); |
2425 | |
2426 | content = Object.toHTML(content); |
2427 | var tagName = element.tagName.toUpperCase(); |
2428 | |
2429 | if (tagName in Element._insertionTranslations.tags) { |
2430 | $A(element.childNodes).each(function(node) { element.removeChild(node) }); |
2431 | Element._getContentFromAnonymousElement(tagName, content.stripScripts()) |
2432 | .each(function(node) { element.appendChild(node) }); |
2433 | } |
2434 | else element.innerHTML = content.stripScripts(); |
2435 | |
2436 | content.evalScripts.bind(content).defer(); |
2437 | return element; |
2438 | }; |
2439 | } |
2440 | |
2441 | if (document.createElement('div').outerHTML) { |
2442 | Element.Methods.replace = function(element, content) { |
2443 | element = $(element); |
2444 | |
2445 | if (content && content.toElement) content = content.toElement(); |
2446 | if (Object.isElement(content)) { |
2447 | element.parentNode.replaceChild(content, element); |
2448 | return element; |
2449 | } |
2450 | |
2451 | content = Object.toHTML(content); |
2452 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); |
2453 | |
2454 | if (Element._insertionTranslations.tags[tagName]) { |
2455 | var nextSibling = element.next(); |
2456 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
2457 | parent.removeChild(element); |
2458 | if (nextSibling) |
2459 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); |
2460 | else |
2461 | fragments.each(function(node) { parent.appendChild(node) }); |
2462 | } |
2463 | else element.outerHTML = content.stripScripts(); |
2464 | |
2465 | content.evalScripts.bind(content).defer(); |
2466 | return element; |
2467 | }; |
2468 | } |
2469 | |
2470 | Element._returnOffset = function(l, t) { |
2471 | var result = [l, t]; |
2472 | result.left = l; |
2473 | result.top = t; |
2474 | return result; |
2475 | }; |
2476 | |
2477 | Element._getContentFromAnonymousElement = function(tagName, html) { |
2478 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; |
2479 | div.innerHTML = t[0] + html + t[1]; |
2480 | t[2].times(function() { div = div.firstChild }); |
2481 | return $A(div.childNodes); |
2482 | }; |
2483 | |
2484 | Element._insertionTranslations = { |
2485 | before: { |
2486 | adjacency: 'beforeBegin', |
2487 | insert: function(element, node) { |
2488 | element.parentNode.insertBefore(node, element); |
2489 | }, |
2490 | initializeRange: function(element, range) { |
2491 | range.setStartBefore(element); |
2492 | } |
2493 | }, |
2494 | top: { |
2495 | adjacency: 'afterBegin', |
2496 | insert: function(element, node) { |
2497 | element.insertBefore(node, element.firstChild); |
2498 | }, |
2499 | initializeRange: function(element, range) { |
2500 | range.selectNodeContents(element); |
2501 | range.collapse(true); |
2502 | } |
2503 | }, |
2504 | bottom: { |
2505 | adjacency: 'beforeEnd', |
2506 | insert: function(element, node) { |
2507 | element.appendChild(node); |
2508 | } |
2509 | }, |
2510 | after: { |
2511 | adjacency: 'afterEnd', |
2512 | insert: function(element, node) { |
2513 | element.parentNode.insertBefore(node, element.nextSibling); |
2514 | }, |
2515 | initializeRange: function(element, range) { |
2516 | range.setStartAfter(element); |
2517 | } |
2518 | }, |
2519 | tags: { |
2520 | TABLE: ['<table>', '</table>', 1], |
2521 | TBODY: ['<table><tbody>', '</tbody></table>', 2], |
2522 | TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], |
2523 | TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], |
2524 | SELECT: ['<select>', '</select>', 1] |
2525 | } |
2526 | }; |
2527 | |
2528 | (function() { |
2529 | this.bottom.initializeRange = this.top.initializeRange; |
2530 | Object.extend(this.tags, { |
2531 | THEAD: this.tags.TBODY, |
2532 | TFOOT: this.tags.TBODY, |
2533 | TH: this.tags.TD |
2534 | }); |
2535 | }).call(Element._insertionTranslations); |
2536 | |
2537 | Element.Methods.Simulated = { |
2538 | hasAttribute: function(element, attribute) { |
2539 | attribute = Element._attributeTranslations.has[attribute] || attribute; |
2540 | var node = $(element).getAttributeNode(attribute); |
2541 | return node && node.specified; |
2542 | } |
2543 | }; |
2544 | |
2545 | Element.Methods.ByTag = { }; |
2546 | |
2547 | Object.extend(Element, Element.Methods); |
2548 | |
2549 | if (!Prototype.BrowserFeatures.ElementExtensions && |
2550 | document.createElement('div').__proto__) { |
2551 | window.HTMLElement = { }; |
2552 | window.HTMLElement.prototype = document.createElement('div').__proto__; |
2553 | Prototype.BrowserFeatures.ElementExtensions = true; |
2554 | } |
2555 | |
2556 | Element.extend = (function() { |
2557 | if (Prototype.BrowserFeatures.SpecificElementExtensions) |
2558 | return Prototype.K; |
2559 | |
2560 | var Methods = { }, ByTag = Element.Methods.ByTag; |
2561 | |
2562 | var extend = Object.extend(function(element) { |
2563 | if (!element || element._extendedByPrototype || |
2564 | element.nodeType != 1 || element == window) return element; |
2565 | |
2566 | var methods = Object.clone(Methods), |
2567 | tagName = element.tagName, property, value; |
2568 | |
2569 | // extend methods for specific tags |
2570 | if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); |
2571 | |
2572 | for (property in methods) { |
2573 | value = methods[property]; |
2574 | if (Object.isFunction(value) && !(property in element)) |
2575 | element[property] = value.methodize(); |
2576 | } |
2577 | |
2578 | element._extendedByPrototype = Prototype.emptyFunction; |
2579 | return element; |
2580 | |
2581 | }, { |
2582 | refresh: function() { |
2583 | // extend methods for all tags (Safari doesn't need this) |
2584 | if (!Prototype.BrowserFeatures.ElementExtensions) { |
2585 | Object.extend(Methods, Element.Methods); |
2586 | Object.extend(Methods, Element.Methods.Simulated); |
2587 | } |
2588 | } |
2589 | }); |
2590 | |
2591 | extend.refresh(); |
2592 | return extend; |
2593 | })(); |
2594 | |
2595 | Element.hasAttribute = function(element, attribute) { |
2596 | if (element.hasAttribute) return element.hasAttribute(attribute); |
2597 | return Element.Methods.Simulated.hasAttribute(element, attribute); |
2598 | }; |
2599 | |
2600 | Element.addMethods = function(methods) { |
2601 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
2602 | |
2603 | if (!methods) { |
2604 | Object.extend(Form, Form.Methods); |
2605 | Object.extend(Form.Element, Form.Element.Methods); |
2606 | Object.extend(Element.Methods.ByTag, { |
2607 | "FORM": Object.clone(Form.Methods), |
2608 | "INPUT": Object.clone(Form.Element.Methods), |
2609 | "SELECT": Object.clone(Form.Element.Methods), |
2610 | "TEXTAREA": Object.clone(Form.Element.Methods) |
2611 | }); |
2612 | } |
2613 | |
2614 | if (arguments.length == 2) { |
2615 | var tagName = methods; |
2616 | methods = arguments[1]; |
2617 | } |
2618 | |
2619 | if (!tagName) Object.extend(Element.Methods, methods || { }); |
2620 | else { |
2621 | if (Object.isArray(tagName)) tagName.each(extend); |
2622 | else extend(tagName); |
2623 | } |
2624 | |
2625 | function extend(tagName) { |
2626 | tagName = tagName.toUpperCase(); |
2627 | if (!Element.Methods.ByTag[tagName]) |
2628 | Element.Methods.ByTag[tagName] = { }; |
2629 | Object.extend(Element.Methods.ByTag[tagName], methods); |
2630 | } |
2631 | |
2632 | function copy(methods, destination, onlyIfAbsent) { |
2633 | onlyIfAbsent = onlyIfAbsent || false; |
2634 | for (var property in methods) { |
2635 | var value = methods[property]; |
2636 | if (!Object.isFunction(value)) continue; |
2637 | if (!onlyIfAbsent || !(property in destination)) |
2638 | destination[property] = value.methodize(); |
2639 | } |
2640 | } |
2641 | |
2642 | function findDOMClass(tagName) { |
2643 | var klass; |
2644 | var trans = { |
2645 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
2646 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
2647 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
2648 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
2649 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
2650 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
2651 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
2652 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
2653 | "FrameSet", "IFRAME": "IFrame" |
2654 | }; |
2655 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
2656 | if (window[klass]) return window[klass]; |
2657 | klass = 'HTML' + tagName + 'Element'; |
2658 | if (window[klass]) return window[klass]; |
2659 | klass = 'HTML' + tagName.capitalize() + 'Element'; |
2660 | if (window[klass]) return window[klass]; |
2661 | |
2662 | window[klass] = { }; |
2663 | window[klass].prototype = document.createElement(tagName).__proto__; |
2664 | return window[klass]; |
2665 | } |
2666 | |
2667 | if (F.ElementExtensions) { |
2668 | copy(Element.Methods, HTMLElement.prototype); |
2669 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
2670 | } |
2671 | |
2672 | if (F.SpecificElementExtensions) { |
2673 | for (var tag in Element.Methods.ByTag) { |
2674 | var klass = findDOMClass(tag); |
2675 | if (Object.isUndefined(klass)) continue; |
2676 | copy(T[tag], klass.prototype); |
2677 | } |
2678 | } |
2679 | |
2680 | Object.extend(Element, Element.Methods); |
2681 | delete Element.ByTag; |
2682 | |
2683 | if (Element.extend.refresh) Element.extend.refresh(); |
2684 | Element.cache = { }; |
2685 | }; |
2686 | |
2687 | document.viewport = { |
2688 | getDimensions: function() { |
2689 | var dimensions = { }; |
2690 | $w('width height').each(function(d) { |
2691 | var D = d.capitalize(); |
2692 | dimensions[d] = self['inner' + D] || |
2693 | (document.documentElement['client' + D] || document.body['client' + D]); |
2694 | }); |
2695 | return dimensions; |
2696 | }, |
2697 | |
2698 | getWidth: function() { |
2699 | return this.getDimensions().width; |
2700 | }, |
2701 | |
2702 | getHeight: function() { |
2703 | return this.getDimensions().height; |
2704 | }, |
2705 | |
2706 | getScrollOffsets: function() { |
2707 | return Element._returnOffset( |
2708 | window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, |
2709 | window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); |
2710 | } |
2711 | }; |
2712 | /* Portions of the Selector class are derived from Jack Slocum`s DomQuery, |
2713 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
2714 | * license. Please see http://www.yui-ext.com/ for more information. */ |
2715 | |
2716 | var Selector = Class.create({ |
2717 | initialize: function(expression) { |
2718 | this.expression = expression.strip(); |
2719 | this.compileMatcher(); |
2720 | }, |
2721 | |
2722 | compileMatcher: function() { |
2723 | // Selectors with namespaced attributes can't use the XPath version |
2724 | if (Prototype.BrowserFeatures.XPath && !(/(\[[\w-]*?:|:checked)/).test(this.expression)) |
2725 | return this.compileXPathMatcher(); |
2726 | |
2727 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
2728 | c = Selector.criteria, le, p, m; |
2729 | |
2730 | if (Selector._cache[e]) { |
2731 | this.matcher = Selector._cache[e]; |
2732 | return; |
2733 | } |
2734 | |
2735 | this.matcher = ["this.matcher = function(root) {", |
2736 | "var r = root, h = Selector.handlers, c = false, n;"]; |
2737 | |
2738 | while (e && le != e && (/\S/).test(e)) { |
2739 | le = e; |
2740 | for (var i in ps) { |
2741 | p = ps[i]; |
2742 | if (m = e.match(p)) { |
2743 | this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : |
2744 | new Template(c[i]).evaluate(m)); |
2745 | e = e.replace(m[0], ''); |
2746 | break; |
2747 | } |
2748 | } |
2749 | } |
2750 | |
2751 | this.matcher.push("return h.unique(n);\n}"); |
2752 | eval(this.matcher.join('\n')); |
2753 | Selector._cache[this.expression] = this.matcher; |
2754 | }, |
2755 | |
2756 | compileXPathMatcher: function() { |
2757 | var e = this.expression, ps = Selector.patterns, |
2758 | x = Selector.xpath, le, m; |
2759 | |
2760 | if (Selector._cache[e]) { |
2761 | this.xpath = Selector._cache[e]; return; |
2762 | } |
2763 | |
2764 | this.matcher = ['.//*']; |
2765 | while (e && le != e && (/\S/).test(e)) { |
2766 | le = e; |
2767 | for (var i in ps) { |
2768 | if (m = e.match(ps[i])) { |
2769 | this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : |
2770 | new Template(x[i]).evaluate(m)); |
2771 | e = e.replace(m[0], ''); |
2772 | break; |
2773 | } |
2774 | } |
2775 | } |
2776 | |
2777 | this.xpath = this.matcher.join(''); |
2778 | Selector._cache[this.expression] = this.xpath; |
2779 | }, |
2780 | |
2781 | findElements: function(root) { |
2782 | root = root || document; |
2783 | if (this.xpath) return document._getElementsByXPath(this.xpath, root); |
2784 | return this.matcher(root); |
2785 | }, |
2786 | |
2787 | match: function(element) { |
2788 | this.tokens = []; |
2789 | |
2790 | var e = this.expression, ps = Selector.patterns, as = Selector.assertions; |
2791 | var le, p, m; |
2792 | |
2793 | while (e && le !== e && (/\S/).test(e)) { |
2794 | le = e; |
2795 | for (var i in ps) { |
2796 | p = ps[i]; |
2797 | if (m = e.match(p)) { |
2798 | // use the Selector.assertions methods unless the selector |
2799 | // is too complex. |
2800 | if (as[i]) { |
2801 | this.tokens.push([i, Object.clone(m)]); |
2802 | e = e.replace(m[0], ''); |
2803 | } else { |
2804 | // reluctantly do a document-wide search |
2805 | // and look for a match in the array |
2806 | return this.findElements(document).include(element); |
2807 | } |
2808 | } |
2809 | } |
2810 | } |
2811 | |
2812 | var match = true, name, matches; |
2813 | for (var i = 0, token; token = this.tokens[i]; i++) { |
2814 | name = token[0], matches = token[1]; |
2815 | if (!Selector.assertions[name](element, matches)) { |
2816 | match = false; break; |
2817 | } |
2818 | } |
2819 | |
2820 | return match; |
2821 | }, |
2822 | |
2823 | toString: function() { |
2824 | return this.expression; |
2825 | }, |
2826 | |
2827 | inspect: function() { |
2828 | return "#<Selector:" + this.expression.inspect() + ">"; |
2829 | } |
2830 | }); |
2831 | |
2832 | Object.extend(Selector, { |
2833 | _cache: { }, |
2834 | |
2835 | xpath: { |
2836 | descendant: "//*", |
2837 | child: "/*", |
2838 | adjacent: "/following-sibling::*[1]", |
2839 | laterSibling: '/following-sibling::*', |
2840 | tagName: function(m) { |
2841 | if (m[1] == '*') return ''; |
2842 | return "[local-name()='" + m[1].toLowerCase() + |
2843 | "' or local-name()='" + m[1].toUpperCase() + "']"; |
2844 | }, |
2845 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
2846 | id: "[@id='#{1}']", |
2847 | attrPresence: "[@#{1}]", |
2848 | attr: function(m) { |
2849 | m[3] = m[5] || m[6]; |
2850 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
2851 | }, |
2852 | pseudo: function(m) { |
2853 | var h = Selector.xpath.pseudos[m[1]]; |
2854 | if (!h) return ''; |
2855 | if (Object.isFunction(h)) return h(m); |
2856 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
2857 | }, |
2858 | operators: { |
2859 | '=': "[@#{1}='#{3}']", |
2860 | '!=': "[@#{1}!='#{3}']", |
2861 | '^=': "[starts-with(@#{1}, '#{3}')]", |
2862 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
2863 | '*=': "[contains(@#{1}, '#{3}')]", |
2864 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
2865 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
2866 | }, |
2867 | pseudos: { |
2868 | 'first-child': '[not(preceding-sibling::*)]', |
2869 | 'last-child': '[not(following-sibling::*)]', |
2870 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
2871 | 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
2872 | 'checked': "[@checked]", |
2873 | 'disabled': "[@disabled]", |
2874 | 'enabled': "[not(@disabled)]", |
2875 | 'not': function(m) { |
2876 | var e = m[6], p = Selector.patterns, |
2877 | x = Selector.xpath, le, m, v; |
2878 | |
2879 | var exclusion = []; |
2880 | while (e && le != e && (/\S/).test(e)) { |
2881 | le = e; |
2882 | for (var i in p) { |
2883 | if (m = e.match(p[i])) { |
2884 | v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); |
2885 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
2886 | e = e.replace(m[0], ''); |
2887 | break; |
2888 | } |
2889 | } |
2890 | } |
2891 | return "[not(" + exclusion.join(" and ") + ")]"; |
2892 | }, |
2893 | 'nth-child': function(m) { |
2894 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
2895 | }, |
2896 | 'nth-last-child': function(m) { |
2897 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
2898 | }, |
2899 | 'nth-of-type': function(m) { |
2900 | return Selector.xpath.pseudos.nth("position() ", m); |
2901 | }, |
2902 | 'nth-last-of-type': function(m) { |
2903 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
2904 | }, |
2905 | 'first-of-type': function(m) { |
2906 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
2907 | }, |
2908 | 'last-of-type': function(m) { |
2909 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
2910 | }, |
2911 | 'only-of-type': function(m) { |
2912 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
2913 | }, |
2914 | nth: function(fragment, m) { |
2915 | var mm, formula = m[6], predicate; |
2916 | if (formula == 'even') formula = '2n+0'; |
2917 | if (formula == 'odd') formula = '2n+1'; |
2918 | if (mm = formula.match(/^(\d+)$/)) // digit only |
2919 | return '[' + fragment + "= " + mm[1] + ']'; |
2920 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
2921 | if (mm[1] == "-") mm[1] = -1; |
2922 | var a = mm[1] ? Number(mm[1]) : 1; |
2923 | var b = mm[2] ? Number(mm[2]) : 0; |
2924 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
2925 | "((#{fragment} - #{b}) div #{a} >= 0)]"; |
2926 | return new Template(predicate).evaluate({ |
2927 | fragment: fragment, a: a, b: b }); |
2928 | } |
2929 | } |
2930 | } |
2931 | }, |
2932 | |
2933 | criteria: { |
2934 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
2935 | className: 'n = h.className(n, r, "#{1}", c); c = false;', |
2936 | id: 'n = h.id(n, r, "#{1}", c); c = false;', |
2937 | attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', |
2938 | attr: function(m) { |
2939 | m[3] = (m[5] || m[6]); |
2940 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); |
2941 | }, |
2942 | pseudo: function(m) { |
2943 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
2944 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
2945 | }, |
2946 | descendant: 'c = "descendant";', |
2947 | child: 'c = "child";', |
2948 | adjacent: 'c = "adjacent";', |
2949 | laterSibling: 'c = "laterSibling";' |
2950 | }, |
2951 | |
2952 | patterns: { |
2953 | // combinators must be listed first |
2954 | // (and descendant needs to be last combinator) |
2955 | laterSibling: /^\s*~\s*/, |
2956 | child: /^\s*>\s*/, |
2957 | adjacent: /^\s*\+\s*/, |
2958 | descendant: /^\s/, |
2959 | |
2960 | // selectors follow |
2961 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
2962 | id: /^#([\w\-\*]+)(\b|$)/, |
2963 | className: /^\.([\w\-\*]+)(\b|$)/, |
2964 | pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s)|(?=:))/, |
2965 | attrPresence: /^\[([\w]+)\]/, |
2966 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ |
2967 | }, |
2968 | |
2969 | // for Selector.match and Element#match |
2970 | assertions: { |
2971 | tagName: function(element, matches) { |
2972 | return matches[1].toUpperCase() == element.tagName.toUpperCase(); |
2973 | }, |
2974 | |
2975 | className: function(element, matches) { |
2976 | return Element.hasClassName(element, matches[1]); |
2977 | }, |
2978 | |
2979 | id: function(element, matches) { |
2980 | return element.id === matches[1]; |
2981 | }, |
2982 | |
2983 | attrPresence: function(element, matches) { |
2984 | return Element.hasAttribute(element, matches[1]); |
2985 | }, |
2986 | |
2987 | attr: function(element, matches) { |
2988 | var nodeValue = Element.readAttribute(element, matches[1]); |
2989 | return Selector.operators[matches[2]](nodeValue, matches[3]); |
2990 | } |
2991 | }, |
2992 | |
2993 | handlers: { |
2994 | // UTILITY FUNCTIONS |
2995 | // joins two collections |
2996 | concat: function(a, b) { |
2997 | for (var i = 0, node; node = b[i]; i++) |
2998 | a.push(node); |
2999 | return a; |
3000 | }, |
3001 | |
3002 | // marks an array of nodes for counting |
3003 | mark: function(nodes) { |
3004 | for (var i = 0, node; node = nodes[i]; i++) |
3005 | node._counted = true; |
3006 | return nodes; |
3007 | }, |
3008 | |
3009 | unmark: function(nodes) { |
3010 | for (var i = 0, node; node = nodes[i]; i++) |
3011 | node._counted = undefined; |
3012 | return nodes; |
3013 | }, |
3014 | |
3015 | // mark each child node with its position (for nth calls) |
3016 | // "ofType" flag indicates whether we're indexing for nth-of-type |
3017 | // rather than nth-child |
3018 | index: function(parentNode, reverse, ofType) { |
3019 | parentNode._counted = true; |
3020 | if (reverse) { |
3021 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
3022 | var node = nodes[i]; |
3023 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
3024 | } |
3025 | } else { |
3026 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
3027 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; |
3028 | } |
3029 | }, |
3030 | |
3031 | // filters out duplicates and extends all nodes |
3032 | unique: function(nodes) { |
3033 | if (nodes.length == 0) return nodes; |
3034 | var results = [], n; |
3035 | for (var i = 0, l = nodes.length; i < l; i++) |
3036 | if (!(n = nodes[i])._counted) { |
3037 | n._counted = true; |
3038 | results.push(Element.extend(n)); |
3039 | } |
3040 | return Selector.handlers.unmark(results); |
3041 | }, |
3042 | |
3043 | // COMBINATOR FUNCTIONS |
3044 | descendant: function(nodes) { |
3045 | var h = Selector.handlers; |
3046 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3047 | h.concat(results, node.getElementsByTagName('*')); |
3048 | return results; |
3049 | }, |
3050 | |
3051 | child: function(nodes) { |
3052 | var h = Selector.handlers; |
3053 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3054 | for (var j = 0, children = [], child; child = node.childNodes[j]; j++) |
3055 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
3056 | } |
3057 | return results; |
3058 | }, |
3059 | |
3060 | adjacent: function(nodes) { |
3061 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3062 | var next = this.nextElementSibling(node); |
3063 | if (next) results.push(next); |
3064 | } |
3065 | return results; |
3066 | }, |
3067 | |
3068 | laterSibling: function(nodes) { |
3069 | var h = Selector.handlers; |
3070 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3071 | h.concat(results, Element.nextSiblings(node)); |
3072 | return results; |
3073 | }, |
3074 | |
3075 | nextElementSibling: function(node) { |
3076 | while (node = node.nextSibling) |
3077 | if (node.nodeType == 1) return node; |
3078 | return null; |
3079 | }, |
3080 | |
3081 | previousElementSibling: function(node) { |
3082 | while (node = node.previousSibling) |
3083 | if (node.nodeType == 1) return node; |
3084 | return null; |
3085 | }, |
3086 | |
3087 | // TOKEN FUNCTIONS |
3088 | tagName: function(nodes, root, tagName, combinator) { |
3089 | tagName = tagName.toUpperCase(); |
3090 | var results = [], h = Selector.handlers; |
3091 | if (nodes) { |
3092 | if (combinator) { |
3093 | // fastlane for ordinary descendant combinators |
3094 | if (combinator == "descendant") { |
3095 | for (var i = 0, node; node = nodes[i]; i++) |
3096 | h.concat(results, node.getElementsByTagName(tagName)); |
3097 | return results; |
3098 | } else nodes = this[combinator](nodes); |
3099 | if (tagName == "*") return nodes; |
3100 | } |
3101 | for (var i = 0, node; node = nodes[i]; i++) |
3102 | if (node.tagName.toUpperCase() == tagName) results.push(node); |
3103 | return results; |
3104 | } else return root.getElementsByTagName(tagName); |
3105 | }, |
3106 | |
3107 | id: function(nodes, root, id, combinator) { |
3108 | var targetNode = $(id), h = Selector.handlers; |
3109 | if (!targetNode) return []; |
3110 | if (!nodes && root == document) return [targetNode]; |
3111 | if (nodes) { |
3112 | if (combinator) { |
3113 | if (combinator == 'child') { |
3114 | for (var i = 0, node; node = nodes[i]; i++) |
3115 | if (targetNode.parentNode == node) return [targetNode]; |
3116 | } else if (combinator == 'descendant') { |
3117 | for (var i = 0, node; node = nodes[i]; i++) |
3118 | if (Element.descendantOf(targetNode, node)) return [targetNode]; |
3119 | } else if (combinator == 'adjacent') { |
3120 | for (var i = 0, node; node = nodes[i]; i++) |
3121 | if (Selector.handlers.previousElementSibling(targetNode) == node) |
3122 | return [targetNode]; |
3123 | } else nodes = h[combinator](nodes); |
3124 | } |
3125 | for (var i = 0, node; node = nodes[i]; i++) |
3126 | if (node == targetNode) return [targetNode]; |
3127 | return []; |
3128 | } |
3129 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
3130 | }, |
3131 | |
3132 | className: function(nodes, root, className, combinator) { |
3133 | if (nodes && combinator) nodes = this[combinator](nodes); |
3134 | return Selector.handlers.byClassName(nodes, root, className); |
3135 | }, |
3136 | |
3137 | byClassName: function(nodes, root, className) { |
3138 | if (!nodes) nodes = Selector.handlers.descendant([root]); |
3139 | var needle = ' ' + className + ' '; |
3140 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
3141 | nodeClassName = node.className; |
3142 | if (nodeClassName.length == 0) continue; |
3143 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
3144 | results.push(node); |
3145 | } |
3146 | return results; |
3147 | }, |
3148 | |
3149 | attrPresence: function(nodes, root, attr) { |
3150 | if (!nodes) nodes = root.getElementsByTagName("*"); |
3151 | var results = []; |
3152 | for (var i = 0, node; node = nodes[i]; i++) |
3153 | if (Element.hasAttribute(node, attr)) results.push(node); |
3154 | return results; |
3155 | }, |
3156 | |
3157 | attr: function(nodes, root, attr, value, operator) { |
3158 | if (!nodes) nodes = root.getElementsByTagName("*"); |
3159 | var handler = Selector.operators[operator], results = []; |
3160 | for (var i = 0, node; node = nodes[i]; i++) { |
3161 | var nodeValue = Element.readAttribute(node, attr); |
3162 | if (nodeValue === null) continue; |
3163 | if (handler(nodeValue, value)) results.push(node); |
3164 | } |
3165 | return results; |
3166 | }, |
3167 | |
3168 | pseudo: function(nodes, name, value, root, combinator) { |
3169 | if (nodes && combinator) nodes = this[combinator](nodes); |
3170 | if (!nodes) nodes = root.getElementsByTagName("*"); |
3171 | return Selector.pseudos[name](nodes, value, root); |
3172 | } |
3173 | }, |
3174 | |
3175 | pseudos: { |
3176 | 'first-child': function(nodes, value, root) { |
3177 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3178 | if (Selector.handlers.previousElementSibling(node)) continue; |
3179 | results.push(node); |
3180 | } |
3181 | return results; |
3182 | }, |
3183 | 'last-child': function(nodes, value, root) { |
3184 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3185 | if (Selector.handlers.nextElementSibling(node)) continue; |
3186 | results.push(node); |
3187 | } |
3188 | return results; |
3189 | }, |
3190 | 'only-child': function(nodes, value, root) { |
3191 | var h = Selector.handlers; |
3192 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3193 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
3194 | results.push(node); |
3195 | return results; |
3196 | }, |
3197 | 'nth-child': function(nodes, formula, root) { |
3198 | return Selector.pseudos.nth(nodes, formula, root); |
3199 | }, |
3200 | 'nth-last-child': function(nodes, formula, root) { |
3201 | return Selector.pseudos.nth(nodes, formula, root, true); |
3202 | }, |
3203 | 'nth-of-type': function(nodes, formula, root) { |
3204 | return Selector.pseudos.nth(nodes, formula, root, false, true); |
3205 | }, |
3206 | 'nth-last-of-type': function(nodes, formula, root) { |
3207 | return Selector.pseudos.nth(nodes, formula, root, true, true); |
3208 | }, |
3209 | 'first-of-type': function(nodes, formula, root) { |
3210 | return Selector.pseudos.nth(nodes, "1", root, false, true); |
3211 | }, |
3212 | 'last-of-type': function(nodes, formula, root) { |
3213 | return Selector.pseudos.nth(nodes, "1", root, true, true); |
3214 | }, |
3215 | 'only-of-type': function(nodes, formula, root) { |
3216 | var p = Selector.pseudos; |
3217 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
3218 | }, |
3219 | |
3220 | // handles the an+b logic |
3221 | getIndices: function(a, b, total) { |
3222 | if (a == 0) return b > 0 ? [b] : []; |
3223 | return $R(1, total).inject([], function(memo, i) { |
3224 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
3225 | return memo; |
3226 | }); |
3227 | }, |
3228 | |
3229 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
3230 | nth: function(nodes, formula, root, reverse, ofType) { |
3231 | if (nodes.length == 0) return []; |
3232 | if (formula == 'even') formula = '2n+0'; |
3233 | if (formula == 'odd') formula = '2n+1'; |
3234 | var h = Selector.handlers, results = [], indexed = [], m; |
3235 | h.mark(nodes); |
3236 | for (var i = 0, node; node = nodes[i]; i++) { |
3237 | if (!node.parentNode._counted) { |
3238 | h.index(node.parentNode, reverse, ofType); |
3239 | indexed.push(node.parentNode); |
3240 | } |
3241 | } |
3242 | if (formula.match(/^\d+$/)) { // just a number |
3243 | formula = Number(formula); |
3244 | for (var i = 0, node; node = nodes[i]; i++) |
3245 | if (node.nodeIndex == formula) results.push(node); |
3246 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
3247 | if (m[1] == "-") m[1] = -1; |
3248 | var a = m[1] ? Number(m[1]) : 1; |
3249 | var b = m[2] ? Number(m[2]) : 0; |
3250 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
3251 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
3252 | for (var j = 0; j < l; j++) |
3253 | if (node.nodeIndex == indices[j]) results.push(node); |
3254 | } |
3255 | } |
3256 | h.unmark(nodes); |
3257 | h.unmark(indexed); |
3258 | return results; |
3259 | }, |
3260 | |
3261 | 'empty': function(nodes, value, root) { |
3262 | for (var i = 0, results = [], node; node = nodes[i]; i++) { |
3263 | // IE treats comments as element nodes |
3264 | if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
3265 | results.push(node); |
3266 | } |
3267 | return results; |
3268 | }, |
3269 | |
3270 | 'not': function(nodes, selector, root) { |
3271 | var h = Selector.handlers, selectorType, m; |
3272 | var exclusions = new Selector(selector).findElements(root); |
3273 | h.mark(exclusions); |
3274 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3275 | if (!node._counted) results.push(node); |
3276 | h.unmark(exclusions); |
3277 | return results; |
3278 | }, |
3279 | |
3280 | 'enabled': function(nodes, value, root) { |
3281 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3282 | if (!node.disabled) results.push(node); |
3283 | return results; |
3284 | }, |
3285 | |
3286 | 'disabled': function(nodes, value, root) { |
3287 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3288 | if (node.disabled) results.push(node); |
3289 | return results; |
3290 | }, |
3291 | |
3292 | 'checked': function(nodes, value, root) { |
3293 | for (var i = 0, results = [], node; node = nodes[i]; i++) |
3294 | if (node.checked) results.push(node); |
3295 | return results; |
3296 | } |
3297 | }, |
3298 | |
3299 | operators: { |
3300 | '=': function(nv, v) { return nv == v; }, |
3301 | '!=': function(nv, v) { return nv != v; }, |
3302 | '^=': function(nv, v) { return nv.startsWith(v); }, |
3303 | '$=': function(nv, v) { return nv.endsWith(v); }, |
3304 | '*=': function(nv, v) { return nv.include(v); }, |
3305 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
3306 | '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } |
3307 | }, |
3308 | |
3309 | matchElements: function(elements, expression) { |
3310 | var matches = new Selector(expression).findElements(), h = Selector.handlers; |
3311 | h.mark(matches); |
3312 | for (var i = 0, results = [], element; element = elements[i]; i++) |
3313 | if (element._counted) results.push(element); |
3314 | h.unmark(matches); |
3315 | return results; |
3316 | }, |
3317 | |
3318 | findElement: function(elements, expression, index) { |
3319 | if (Object.isNumber(expression)) { |
3320 | index = expression; expression = false; |
3321 | } |
3322 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
3323 | }, |
3324 | |
3325 | findChildElements: function(element, expressions) { |
3326 | var exprs = expressions.join(','), expressions = []; |
3327 | exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
3328 | expressions.push(m[1].strip()); |
3329 | }); |
3330 | var results = [], h = Selector.handlers; |
3331 | for (var i = 0, l = expressions.length, selector; i < l; i++) { |
3332 | selector = new Selector(expressions[i].strip()); |
3333 | h.concat(results, selector.findElements(element)); |
3334 | } |
3335 | return (l > 1) ? h.unique(results) : results; |
3336 | } |
3337 | }); |
3338 | |
3339 | function $$() { |
3340 | return Selector.findChildElements(document, $A(arguments)); |
3341 | } |
3342 | var Form = { |
3343 | reset: function(form) { |
3344 | $(form).reset(); |
3345 | return form; |
3346 | }, |
3347 | |
3348 | serializeElements: function(elements, options) { |
3349 | if (typeof options != 'object') options = { hash: !!options }; |
3350 | else if (options.hash === undefined) options.hash = true; |
3351 | var key, value, submitted = false, submit = options.submit; |
3352 | |
3353 | var data = elements.inject({ }, function(result, element) { |
3354 | if (!element.disabled && element.name) { |
3355 | key = element.name; value = $(element).getValue(); |
3356 | if (value != null && (element.type != 'submit' || (!submitted && |
3357 | submit !== false && (!submit || key == submit) && (submitted = true)))) { |
3358 | if (key in result) { |
3359 | // a key is already present; construct an array of values |
3360 | if (!Object.isArray(result[key])) result[key] = [result[key]]; |
3361 | result[key].push(value); |
3362 | } |
3363 | else result[key] = value; |
3364 | } |
3365 | } |
3366 | return result; |
3367 | }); |
3368 | |
3369 | return options.hash ? data : Object.toQueryString(data); |
3370 | } |
3371 | }; |
3372 | |
3373 | Form.Methods = { |
3374 | serialize: function(form, options) { |
3375 | return Form.serializeElements(Form.getElements(form), options); |
3376 | }, |
3377 | |
3378 | getElements: function(form) { |
3379 | return $A($(form).getElementsByTagName('*')).inject([], |
3380 | function(elements, child) { |
3381 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
3382 | elements.push(Element.extend(child)); |
3383 | return elements; |
3384 | } |
3385 | ); |
3386 | }, |
3387 | |
3388 | getInputs: function(form, typeName, name) { |
3389 | form = $(form); |
3390 | var inputs = form.getElementsByTagName('input'); |
3391 | |
3392 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
3393 | |
3394 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
3395 | var input = inputs[i]; |
3396 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
3397 | continue; |
3398 | matchingInputs.push(Element.extend(input)); |
3399 | } |
3400 | |
3401 | return matchingInputs; |
3402 | }, |
3403 | |
3404 | disable: function(form) { |
3405 | form = $(form); |
3406 | Form.getElements(form).invoke('disable'); |
3407 | return form; |
3408 | }, |
3409 | |
3410 | enable: function(form) { |
3411 | form = $(form); |
3412 | Form.getElements(form).invoke('enable'); |
3413 | return form; |
3414 | }, |
3415 | |
3416 | findFirstElement: function(form) { |
3417 | var elements = $(form).getElements().findAll(function(element) { |
3418 | return 'hidden' != element.type && !element.disabled; |
3419 | }); |
3420 | var firstByIndex = elements.findAll(function(element) { |
3421 | return element.hasAttribute('tabIndex') && element.tabIndex >= 0; |
3422 | }).sortBy(function(element) { return element.tabIndex }).first(); |
3423 | |
3424 | return firstByIndex ? firstByIndex : elements.find(function(element) { |
3425 | return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
3426 | }); |
3427 | }, |
3428 | |
3429 | focusFirstElement: function(form) { |
3430 | form = $(form); |
3431 | form.findFirstElement().activate(); |
3432 | return form; |
3433 | }, |
3434 | |
3435 | request: function(form, options) { |
3436 | form = $(form), options = Object.clone(options || { }); |
3437 | |
3438 | var params = options.parameters, action = form.readAttribute('action') || ''; |
3439 | if (action.blank()) action = window.location.href; |
3440 | options.parameters = form.serialize(true); |
3441 | |
3442 | if (params) { |
3443 | if (Object.isString(params)) params = params.toQueryParams(); |
3444 | Object.extend(options.parameters, params); |
3445 | } |
3446 | |
3447 | if (form.hasAttribute('method') && !options.method) |
3448 | options.method = form.method; |
3449 | |
3450 | return new Ajax.Request(action, options); |
3451 | } |
3452 | }; |
3453 | |
3454 | /*--------------------------------------------------------------------------*/ |
3455 | |
3456 | Form.Element = { |
3457 | focus: function(element) { |
3458 | $(element).focus(); |
3459 | return element; |
3460 | }, |
3461 | |
3462 | select: function(element) { |
3463 | $(element).select(); |
3464 | return element; |
3465 | } |
3466 | }; |
3467 | |
3468 | Form.Element.Methods = { |
3469 | serialize: function(element) { |
3470 | element = $(element); |
3471 | if (!element.disabled && element.name) { |
3472 | var value = element.getValue(); |
3473 | if (value != undefined) { |
3474 | var pair = { }; |
3475 | pair[element.name] = value; |
3476 | return Object.toQueryString(pair); |
3477 | } |
3478 | } |
3479 | return ''; |
3480 | }, |
3481 | |
3482 | getValue: function(element) { |
3483 | element = $(element); |
3484 | var method = element.tagName.toLowerCase(); |
3485 | return Form.Element.Serializers[method](element); |
3486 | }, |
3487 | |
3488 | setValue: function(element, value) { |
3489 | element = $(element); |
3490 | var method = element.tagName.toLowerCase(); |
3491 | Form.Element.Serializers[method](element, value); |
3492 | return element; |
3493 | }, |
3494 | |
3495 | clear: function(element) { |
3496 | $(element).value = ''; |
3497 | return element; |
3498 | }, |
3499 | |
3500 | present: function(element) { |
3501 | return $(element).value != ''; |
3502 | }, |
3503 | |
3504 | activate: function(element) { |
3505 | element = $(element); |
3506 | try { |
3507 | element.focus(); |
3508 | if (element.select && (element.tagName.toLowerCase() != 'input' || |
3509 | !['button', 'reset', 'submit'].include(element.type))) |
3510 | element.select(); |
3511 | } catch (e) { } |
3512 | return element; |
3513 | }, |
3514 | |
3515 | disable: function(element) { |
3516 | element = $(element); |
3517 | element.blur(); |
3518 | element.disabled = true; |
3519 | return element; |
3520 | }, |
3521 | |
3522 | enable: function(element) { |
3523 | element = $(element); |
3524 | element.disabled = false; |
3525 | return element; |
3526 | } |
3527 | }; |
3528 | |
3529 | /*--------------------------------------------------------------------------*/ |
3530 | |
3531 | var Field = Form.Element; |
3532 | var $F = Form.Element.Methods.getValue; |
3533 | |
3534 | /*--------------------------------------------------------------------------*/ |
3535 | |
3536 | Form.Element.Serializers = { |
3537 | input: function(element, value) { |
3538 | switch (element.type.toLowerCase()) { |
3539 | case 'checkbox': |
3540 | case 'radio': |
3541 | return Form.Element.Serializers.inputSelector(element, value); |
3542 | default: |
3543 | return Form.Element.Serializers.textarea(element, value); |
3544 | } |
3545 | }, |
3546 | |
3547 | inputSelector: function(element, value) { |
3548 | if (value === undefined) return element.checked ? element.value : null; |
3549 | else element.checked = !!value; |
3550 | }, |
3551 | |
3552 | textarea: function(element, value) { |
3553 | if (value === undefined) return element.value; |
3554 | else element.value = value; |
3555 | }, |
3556 | |
3557 | select: function(element, index) { |
3558 | if (index === undefined) |
3559 | return this[element.type == 'select-one' ? |
3560 | 'selectOne' : 'selectMany'](element); |
3561 | else { |
3562 | var opt, value, single = !Object.isArray(index); |
3563 | for (var i = 0, length = element.length; i < length; i++) { |
3564 | opt = element.options[i]; |
3565 | value = this.optionValue(opt); |
3566 | if (single) { |
3567 | if (value == index) { |
3568 | opt.selected = true; |
3569 | return; |
3570 | } |
3571 | } |
3572 | else opt.selected = index.include(value); |
3573 | } |
3574 | } |
3575 | }, |
3576 | |
3577 | selectOne: function(element) { |
3578 | var index = element.selectedIndex; |
3579 | return index >= 0 ? this.optionValue(element.options[index]) : null; |
3580 | }, |
3581 | |
3582 | selectMany: function(element) { |
3583 | var values, length = element.length; |
3584 | if (!length) return null; |
3585 | |
3586 | for (var i = 0, values = []; i < length; i++) { |
3587 | var opt = element.options[i]; |
3588 | if (opt.selected) values.push(this.optionValue(opt)); |
3589 | } |
3590 | return values; |
3591 | }, |
3592 | |
3593 | optionValue: function(opt) { |
3594 | // extend element because hasAttribute may not be native |
3595 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
3596 | } |
3597 | }; |
3598 | |
3599 | /*--------------------------------------------------------------------------*/ |
3600 | |
3601 | Abstract.TimedObserver = Class.create(PeriodicalExecuter, { |
3602 | initialize: function($super, element, frequency, callback) { |
3603 | $super(callback, frequency); |
3604 | this.element = $(element); |
3605 | this.lastValue = this.getValue(); |
3606 | }, |
3607 | |
3608 | execute: function() { |
3609 | var value = this.getValue(); |
3610 | if (Object.isString(this.lastValue) && Object.isString(value) ? |
3611 | this.lastValue != value : String(this.lastValue) != String(value)) { |
3612 | this.callback(this.element, value); |
3613 | this.lastValue = value; |
3614 | } |
3615 | } |
3616 | }); |
3617 | |
3618 | Form.Element.Observer = Class.create(Abstract.TimedObserver, { |
3619 | getValue: function() { |
3620 | return Form.Element.getValue(this.element); |
3621 | } |
3622 | }); |
3623 | |
3624 | Form.Observer = Class.create(Abstract.TimedObserver, { |
3625 | getValue: function() { |
3626 | return Form.serialize(this.element); |
3627 | } |
3628 | }); |
3629 | |
3630 | /*--------------------------------------------------------------------------*/ |
3631 | |
3632 | Abstract.EventObserver = Class.create({ |
3633 | initialize: function(element, callback) { |
3634 | this.element = $(element); |
3635 | this.callback = callback; |
3636 | |
3637 | this.lastValue = this.getValue(); |
3638 | if (this.element.tagName.toLowerCase() == 'form') |
3639 | this.registerFormCallbacks(); |
3640 | else |
3641 | this.registerCallback(this.element); |
3642 | }, |
3643 | |
3644 | onElementEvent: function() { |
3645 | var value = this.getValue(); |
3646 | if (this.lastValue != value) { |
3647 | this.callback(this.element, value); |
3648 | this.lastValue = value; |
3649 | } |
3650 | }, |
3651 | |
3652 | registerFormCallbacks: function() { |
3653 | Form.getElements(this.element).each(this.registerCallback, this); |
3654 | }, |
3655 | |
3656 | registerCallback: function(element) { |
3657 | if (element.type) { |
3658 | switch (element.type.toLowerCase()) { |
3659 | case 'checkbox': |
3660 | case 'radio': |
3661 | Event.observe(element, 'click', this.onElementEvent.bind(this)); |
3662 | break; |
3663 | default: |
3664 | Event.observe(element, 'change', this.onElementEvent.bind(this)); |
3665 | break; |
3666 | } |
3667 | } |
3668 | } |
3669 | }); |
3670 | |
3671 | Form.Element.EventObserver = Class.create(Abstract.EventObserver, { |
3672 | getValue: function() { |
3673 | return Form.Element.getValue(this.element); |
3674 | } |
3675 | }); |
3676 | |
3677 | Form.EventObserver = Class.create(Abstract.EventObserver, { |
3678 | getValue: function() { |
3679 | return Form.serialize(this.element); |
3680 | } |
3681 | }); |
3682 | if (!window.Event) var Event = { }; |
3683 | |
3684 | Object.extend(Event, { |
3685 | KEY_BACKSPACE: 8, |
3686 | KEY_TAB: 9, |
3687 | KEY_RETURN: 13, |
3688 | KEY_ESC: 27, |
3689 | KEY_LEFT: 37, |
3690 | KEY_UP: 38, |
3691 | KEY_RIGHT: 39, |
3692 | KEY_DOWN: 40, |
3693 | KEY_DELETE: 46, |
3694 | KEY_HOME: 36, |
3695 | KEY_END: 35, |
3696 | KEY_PAGEUP: 33, |
3697 | KEY_PAGEDOWN: 34, |
3698 | KEY_INSERT: 45, |
3699 | |
3700 | cache: { }, |
3701 | |
3702 | relatedTarget: function(event) { |
3703 | var element; |
3704 | switch(event.type) { |
3705 | case 'mouseover': element = event.fromElement; break; |
3706 | case 'mouseout': element = event.toElement; break; |
3707 | default: return null; |
3708 | } |
3709 | return Element.extend(element); |
3710 | } |
3711 | }); |
3712 | |
3713 | Event.Methods = (function() { |
3714 | var isButton; |
3715 | |
3716 | if (Prototype.Browser.IE) { |
3717 | var buttonMap = { 0: 1, 1: 4, 2: 2 }; |
3718 | isButton = function(event, code) { |
3719 | return event.button == buttonMap[code]; |
3720 | }; |
3721 | |
3722 | } else if (Prototype.Browser.WebKit) { |
3723 | isButton = function(event, code) { |
3724 | switch (code) { |
3725 | case 0: return event.which == 1 && !event.metaKey; |
3726 | case 1: return event.which == 1 && event.metaKey; |
3727 | default: return false; |
3728 | } |
3729 | }; |
3730 | |
3731 | } else { |
3732 | isButton = function(event, code) { |
3733 | return event.which ? (event.which === code + 1) : (event.button === code); |
3734 | }; |
3735 | } |
3736 | |
3737 | return { |
3738 | isLeftClick: function(event) { return isButton(event, 0) }, |
3739 | isMiddleClick: function(event) { return isButton(event, 1) }, |
3740 | isRightClick: function(event) { return isButton(event, 2) }, |
3741 | |
3742 | element: function(event) { |
3743 | var node = Event.extend(event).target; |
3744 | return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node); |
3745 | }, |
3746 | |
3747 | findElement: function(event, expression) { |
3748 | var element = Event.element(event); |
3749 | return element.match(expression) ? element : element.up(expression); |
3750 | }, |
3751 | |
3752 | pointer: function(event) { |
3753 | return { |
3754 | x: event.pageX || (event.clientX + |
3755 | (document.documentElement.scrollLeft || document.body.scrollLeft)), |
3756 | y: event.pageY || (event.clientY + |
3757 | (document.documentElement.scrollTop || document.body.scrollTop)) |
3758 | }; |
3759 | }, |
3760 | |
3761 | pointerX: function(event) { return Event.pointer(event).x }, |
3762 | pointerY: function(event) { return Event.pointer(event).y }, |
3763 | |
3764 | stop: function(event) { |
3765 | Event.extend(event); |
3766 | event.preventDefault(); |
3767 | event.stopPropagation(); |
3768 | event.stopped = true; |
3769 | } |
3770 | }; |
3771 | })(); |
3772 | |
3773 | Event.extend = (function() { |
3774 | var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { |
3775 | m[name] = Event.Methods[name].methodize(); |
3776 | return m; |
3777 | }); |
3778 | |
3779 | if (Prototype.Browser.IE) { |
3780 | Object.extend(methods, { |
3781 | stopPropagation: function() { this.cancelBubble = true }, |
3782 | preventDefault: function() { this.returnValue = false }, |
3783 | inspect: function() { return "[object Event]" } |
3784 | }); |
3785 | |
3786 | return function(event) { |
3787 | if (!event) return false; |
3788 | if (event._extendedByPrototype) return event; |
3789 | |
3790 | event._extendedByPrototype = Prototype.emptyFunction; |
3791 | var pointer = Event.pointer(event); |
3792 | Object.extend(event, { |
3793 | target: event.srcElement, |
3794 | relatedTarget: Event.relatedTarget(event), |
3795 | pageX: pointer.x, |
3796 | pageY: pointer.y |
3797 | }); |
3798 | return Object.extend(event, methods); |
3799 | }; |
3800 | |
3801 | } else { |
3802 | Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__; |
3803 | Object.extend(Event.prototype, methods); |
3804 | return Prototype.K; |
3805 | } |
3806 | })(); |
3807 | |
3808 | Object.extend(Event, (function() { |
3809 | var cache = Event.cache; |
3810 | |
3811 | function getEventID(element) { |
3812 | if (element._eventID) return element._eventID; |
3813 | arguments.callee.id = arguments.callee.id || 1; |
3814 | return element._eventID = ++arguments.callee.id; |
3815 | } |
3816 | |
3817 | function getDOMEventName(eventName) { |
3818 | if (eventName && eventName.include(':')) return "dataavailable"; |
3819 | return eventName; |
3820 | } |
3821 | |
3822 | function getCacheForID(id) { |
3823 | return cache[id] = cache[id] || { }; |
3824 | } |
3825 | |
3826 | function getWrappersForEventName(id, eventName) { |
3827 | var c = getCacheForID(id); |
3828 | return c[eventName] = c[eventName] || []; |
3829 | } |
3830 | |
3831 | function createWrapper(element, eventName, handler) { |
3832 | var id = getEventID(element); |
3833 | var c = getWrappersForEventName(id, eventName); |
3834 | if (c.pluck("handler").include(handler)) return false; |
3835 | |
3836 | var wrapper = function(event) { |
3837 | if (!Event || !Event.extend || |
3838 | (event.eventName && event.eventName != eventName)) |
3839 | return false; |
3840 | |
3841 | Event.extend(event); |
3842 | handler.call(element, event) |
3843 | }; |
3844 | |
3845 | wrapper.handler = handler; |
3846 | c.push(wrapper); |
3847 | return wrapper; |
3848 | } |
3849 | |
3850 | function findWrapper(id, eventName, handler) { |
3851 | var c = getWrappersForEventName(id, eventName); |
3852 | return c.find(function(wrapper) { return wrapper.handler == handler }); |
3853 | } |
3854 | |
3855 | function destroyWrapper(id, eventName, handler) { |
3856 | var c = getCacheForID(id); |
3857 | if (!c[eventName]) return false; |
3858 | c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); |
3859 | } |
3860 | |
3861 | function destroyCache() { |
3862 | for (var id in cache) |
3863 | for (var eventName in cache[id]) |
3864 | cache[id][eventName] = null; |
3865 | } |
3866 | |
3867 | if (window.attachEvent) { |
3868 | window.attachEvent("onunload", destroyCache); |
3869 | } |
3870 | |
3871 | return { |
3872 | observe: function(element, eventName, handler) { |
3873 | element = $(element); |
3874 | var name = getDOMEventName(eventName); |
3875 | |
3876 | var wrapper = createWrapper(element, eventName, handler); |
3877 | if (!wrapper) return element; |
3878 | |
3879 | if (element.addEventListener) { |
3880 | element.addEventListener(name, wrapper, false); |
3881 | } else { |
3882 | element.attachEvent("on" + name, wrapper); |
3883 | } |
3884 | |
3885 | return element; |
3886 | }, |
3887 | |
3888 | stopObserving: function(element, eventName, handler) { |
3889 | element = $(element); |
3890 | var id = getEventID(element), name = getDOMEventName(eventName); |
3891 | |
3892 | if (!handler && eventName) { |
3893 | getWrappersForEventName(id, eventName).each(function(wrapper) { |
3894 | element.stopObserving(eventName, wrapper.handler); |
3895 | }); |
3896 | return element; |
3897 | |
3898 | } else if (!eventName) { |
3899 | Object.keys(getCacheForID(id)).each(function(eventName) { |
3900 | element.stopObserving(eventName); |
3901 | }); |
3902 | return element; |
3903 | } |
3904 | |
3905 | var wrapper = findWrapper(id, eventName, handler); |
3906 | if (!wrapper) return element; |
3907 | |
3908 | if (element.removeEventListener) { |
3909 | element.removeEventListener(name, wrapper, false); |
3910 | } else { |
3911 | element.detachEvent("on" + name, wrapper); |
3912 | } |
3913 | |
3914 | destroyWrapper(id, eventName, handler); |
3915 | |
3916 | return element; |
3917 | }, |
3918 | |
3919 | fire: function(element, eventName, memo) { |
3920 | element = $(element); |
3921 | if (element == document && document.createEvent && !element.dispatchEvent) |
3922 | element = document.documentElement; |
3923 | |
3924 | if (document.createEvent) { |
3925 | var event = document.createEvent("HTMLEvents"); |
3926 | event.initEvent("dataavailable", true, true); |
3927 | } else { |
3928 | var event = document.createEventObject(); |
3929 | event.eventType = "ondataavailable"; |
3930 | } |
3931 | |
3932 | event.eventName = eventName; |
3933 | event.memo = memo || { }; |
3934 | |
3935 | if (document.createEvent) { |
3936 | element.dispatchEvent(event); |
3937 | } else { |
3938 | element.fireEvent(event.eventType, event); |
3939 | } |
3940 | |
3941 | return event; |
3942 | } |
3943 | }; |
3944 | })()); |
3945 | |
3946 | Object.extend(Event, Event.Methods); |
3947 | |
3948 | Element.addMethods({ |
3949 | fire: Event.fire, |
3950 | observe: Event.observe, |
3951 | stopObserving: Event.stopObserving |
3952 | }); |
3953 | |
3954 | Object.extend(document, { |
3955 | fire: Element.Methods.fire.methodize(), |
3956 | observe: Element.Methods.observe.methodize(), |
3957 | stopObserving: Element.Methods.stopObserving.methodize() |
3958 | }); |
3959 | |
3960 | (function() { |
3961 | /* Support for the DOMContentLoaded event is based on work by Dan Webb, |
3962 | Matthias Miller, Dean Edwards and John Resig. */ |
3963 | |
3964 | var timer, fired = false; |
3965 | |
3966 | function fireContentLoadedEvent() { |
3967 | if (fired) return; |
3968 | if (timer) window.clearInterval(timer); |
3969 | document.fire("dom:loaded"); |
3970 | fired = true; |
3971 | } |
3972 | |
3973 | if (document.addEventListener) { |
3974 | if (Prototype.Browser.WebKit) { |
3975 | timer = window.setInterval(function() { |
3976 | if (/loaded|complete/.test(document.readyState)) |
3977 | fireContentLoadedEvent(); |
3978 | }, 0); |
3979 | |
3980 | Event.observe(window, "load", fireContentLoadedEvent); |
3981 | |
3982 | } else { |
3983 | document.addEventListener("DOMContentLoaded", |
3984 | fireContentLoadedEvent, false); |
3985 | } |
3986 | |
3987 | } else { |
3988 | document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); |
3989 | $("__onDOMContentLoaded").onreadystatechange = function() { |
3990 | if (this.readyState == "complete") { |
3991 | this.onreadystatechange = null; |
3992 | fireContentLoadedEvent(); |
3993 | } |
3994 | }; |
3995 | } |
3996 | })(); |
3997 | /*------------------------------- DEPRECATED -------------------------------*/ |
3998 | |
3999 | Hash.toQueryString = Object.toQueryString; |
4000 | |
4001 | var Toggle = { display: Element.toggle }; |
4002 | |
4003 | Element.Methods.childOf = Element.Methods.descendantOf; |
4004 | |
4005 | var Insertion = { |
4006 | Before: function(element, content) { |
4007 | return Element.insert(element, {before:content}); |
4008 | }, |
4009 | |
4010 | Top: function(element, content) { |
4011 | return Element.insert(element, {top:content}); |
4012 | }, |
4013 | |
4014 | Bottom: function(element, content) { |
4015 | return Element.insert(element, {bottom:content}); |
4016 | }, |
4017 | |
4018 | After: function(element, content) { |
4019 | return Element.insert(element, {after:content}); |
4020 | } |
4021 | }; |
4022 | |
4023 | var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
4024 | |
4025 | // This should be moved to script.aculo.us; notice the deprecated methods |
4026 | // further below, that map to the newer Element methods. |
4027 | var Position = { |
4028 | // set to true if needed, warning: firefox performance problems |
4029 | // NOT neeeded for page scrolling, only if draggable contained in |
4030 | // scrollable elements |
4031 | includeScrollOffsets: false, |
4032 | |
4033 | // must be called before calling withinIncludingScrolloffset, every time the |
4034 | // page is scrolled |
4035 | prepare: function() { |
4036 | this.deltaX = window.pageXOffset |
4037 | || document.documentElement.scrollLeft |
4038 | || document.body.scrollLeft |
4039 | || 0; |
4040 | this.deltaY = window.pageYOffset |
4041 | || document.documentElement.scrollTop |
4042 | || document.body.scrollTop |
4043 | || 0; |
4044 | }, |
4045 | |
4046 | // caches x/y coordinate pair to use with overlap |
4047 | within: function(element, x, y) { |
4048 | if (this.includeScrollOffsets) |
4049 | return this.withinIncludingScrolloffsets(element, x, y); |
4050 | this.xcomp = x; |
4051 | this.ycomp = y; |
4052 | this.offset = Element.cumulativeOffset(element); |
4053 | |
4054 | return (y >= this.offset[1] && |
4055 | y < this.offset[1] + element.offsetHeight && |
4056 | x >= this.offset[0] && |
4057 | x < this.offset[0] + element.offsetWidth); |
4058 | }, |
4059 | |
4060 | withinIncludingScrolloffsets: function(element, x, y) { |
4061 | var offsetcache = Element.cumulativeScrollOffset(element); |
4062 | |
4063 | this.xcomp = x + offsetcache[0] - this.deltaX; |
4064 | this.ycomp = y + offsetcache[1] - this.deltaY; |
4065 | this.offset = Element.cumulativeOffset(element); |
4066 | |
4067 | return (this.ycomp >= this.offset[1] && |
4068 | this.ycomp < this.offset[1] + element.offsetHeight && |
4069 | this.xcomp >= this.offset[0] && |
4070 | this.xcomp < this.offset[0] + element.offsetWidth); |
4071 | }, |
4072 | |
4073 | // within must be called directly before |
4074 | overlap: function(mode, element) { |
4075 | if (!mode) return 0; |
4076 | if (mode == 'vertical') |
4077 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
4078 | element.offsetHeight; |
4079 | if (mode == 'horizontal') |
4080 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
4081 | element.offsetWidth; |
4082 | }, |
4083 | |
4084 | // Deprecation layer -- use newer Element methods now (1.5.2). |
4085 | |
4086 | cumulativeOffset: Element.Methods.cumulativeOffset, |
4087 | |
4088 | positionedOffset: Element.Methods.positionedOffset, |
4089 | |
4090 | absolutize: function(element) { |
4091 | Position.prepare(); |
4092 | return Element.absolutize(element); |
4093 | }, |
4094 | |
4095 | relativize: function(element) { |
4096 | Position.prepare(); |
4097 | return Element.relativize(element); |
4098 | }, |
4099 | |
4100 | realOffset: Element.Methods.cumulativeScrollOffset, |
4101 | |
4102 | offsetParent: Element.Methods.getOffsetParent, |
4103 | |
4104 | page: Element.Methods.viewportOffset, |
4105 | |
4106 | clone: function(source, target, options) { |
4107 | options = options || { }; |
4108 | return Element.clonePosition(target, source, options); |
4109 | } |
4110 | }; |
4111 | |
4112 | /*--------------------------------------------------------------------------*/ |
4113 | |
4114 | if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ |
4115 | function iter(name) { |
4116 | return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; |
4117 | } |
4118 | |
4119 | instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? |
4120 | function(element, className) { |
4121 | className = className.toString().strip(); |
4122 | var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); |
4123 | return cond ? document._getElementsByXPath('.//*' + cond, element) : []; |
4124 | } : function(element, className) { |
4125 | className = className.toString().strip(); |
4126 | var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); |
4127 | if (!classNames && !className) return elements; |
4128 | |
4129 | var nodes = $(element).getElementsByTagName('*'); |
4130 | className = ' ' + className + ' '; |
4131 | |
4132 | for (var i = 0, child, cn; child = nodes[i]; i++) { |
4133 | if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || |
4134 | (classNames && classNames.all(function(name) { |
4135 | return !name.toString().blank() && cn.include(' ' + name + ' '); |
4136 | })))) |
4137 | elements.push(Element.extend(child)); |
4138 | } |
4139 | return elements; |
4140 | }; |
4141 | |
4142 | return function(className, parentElement) { |
4143 | return $(parentElement || document.body).getElementsByClassName(className); |
4144 | }; |
4145 | }(Element.Methods); |
4146 | |
4147 | /*--------------------------------------------------------------------------*/ |
4148 | |
4149 | Element.ClassNames = Class.create(); |
4150 | Element.ClassNames.prototype = { |
4151 | initialize: function(element) { |
4152 | this.element = $(element); |
4153 | }, |
4154 | |
4155 | _each: function(iterator) { |
4156 | this.element.className.split(/\s+/).select(function(name) { |
4157 | return name.length > 0; |
4158 | })._each(iterator); |
4159 | }, |
4160 | |
4161 | set: function(className) { |
4162 | this.element.className = className; |
4163 | }, |
4164 | |
4165 | add: function(classNameToAdd) { |
4166 | if (this.include(classNameToAdd)) return; |
4167 | this.set($A(this).concat(classNameToAdd).join(' ')); |
4168 | }, |
4169 | |
4170 | remove: function(classNameToRemove) { |
4171 | if (!this.include(classNameToRemove)) return; |
4172 | this.set($A(this).without(classNameToRemove).join(' ')); |
4173 | }, |
4174 | |
4175 | toString: function() { |
4176 | return $A(this).join(' '); |
4177 | } |
4178 | }; |
4179 | |
4180 | Object.extend(Element.ClassNames.prototype, Enumerable); |
4181 | |
4182 | /*--------------------------------------------------------------------------*/ |
4183 | |
4184 | Element.addMethods(); |