|
1 /* Prototype JavaScript framework, version 1.6.0.2 |
|
2 * (c) 2005-2008 Sam Stephenson |
|
3 * |
|
4 * Prototype is freely distributable under the terms of an MIT-style license. |
|
5 * For details, see the Prototype web site: http://www.prototypejs.org/ |
|
6 * |
|
7 *--------------------------------------------------------------------------*/ |
|
8 |
|
9 var Prototype = { |
|
10 Version: '1.6.0.2', |
|
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 |
|
40 /* Based on Alex Arnell's inheritance implementation. */ |
|
41 var Class = { |
|
42 create: function() { |
|
43 var parent = null, properties = $A(arguments); |
|
44 if (Object.isFunction(properties[0])) |
|
45 parent = properties.shift(); |
|
46 |
|
47 function klass() { |
|
48 this.initialize.apply(this, arguments); |
|
49 } |
|
50 |
|
51 Object.extend(klass, Class.Methods); |
|
52 klass.superclass = parent; |
|
53 klass.subclasses = []; |
|
54 |
|
55 if (parent) { |
|
56 var subclass = function() { }; |
|
57 subclass.prototype = parent.prototype; |
|
58 klass.prototype = new subclass; |
|
59 parent.subclasses.push(klass); |
|
60 } |
|
61 |
|
62 for (var i = 0; i < properties.length; i++) |
|
63 klass.addMethods(properties[i]); |
|
64 |
|
65 if (!klass.prototype.initialize) |
|
66 klass.prototype.initialize = Prototype.emptyFunction; |
|
67 |
|
68 klass.prototype.constructor = klass; |
|
69 |
|
70 return klass; |
|
71 } |
|
72 }; |
|
73 |
|
74 Class.Methods = { |
|
75 addMethods: function(source) { |
|
76 var ancestor = this.superclass && this.superclass.prototype; |
|
77 var properties = Object.keys(source); |
|
78 |
|
79 if (!Object.keys({ toString: true }).length) |
|
80 properties.push("toString", "valueOf"); |
|
81 |
|
82 for (var i = 0, length = properties.length; i < length; i++) { |
|
83 var property = properties[i], value = source[property]; |
|
84 if (ancestor && Object.isFunction(value) && |
|
85 value.argumentNames().first() == "$super") { |
|
86 var method = value, value = Object.extend((function(m) { |
|
87 return function() { return ancestor[m].apply(this, arguments) }; |
|
88 })(property).wrap(method), { |
|
89 valueOf: function() { return method }, |
|
90 toString: function() { return method.toString() } |
|
91 }); |
|
92 } |
|
93 this.prototype[property] = value; |
|
94 } |
|
95 |
|
96 return this; |
|
97 } |
|
98 }; |
|
99 |
|
100 var Abstract = { }; |
|
101 |
|
102 Object.extend = function(destination, source) { |
|
103 for (var property in source) |
|
104 destination[property] = source[property]; |
|
105 return destination; |
|
106 }; |
|
107 |
|
108 Object.extend(Object, { |
|
109 inspect: function(object) { |
|
110 try { |
|
111 if (Object.isUndefined(object)) return 'undefined'; |
|
112 if (object === null) return 'null'; |
|
113 return object.inspect ? object.inspect() : String(object); |
|
114 } catch (e) { |
|
115 if (e instanceof RangeError) return '...'; |
|
116 throw e; |
|
117 } |
|
118 }, |
|
119 |
|
120 toJSON: function(object) { |
|
121 var type = typeof object; |
|
122 switch (type) { |
|
123 case 'undefined': |
|
124 case 'function': |
|
125 case 'unknown': return; |
|
126 case 'boolean': return object.toString(); |
|
127 } |
|
128 |
|
129 if (object === null) return 'null'; |
|
130 if (object.toJSON) return object.toJSON(); |
|
131 if (Object.isElement(object)) return; |
|
132 |
|
133 var results = []; |
|
134 for (var property in object) { |
|
135 var value = Object.toJSON(object[property]); |
|
136 if (!Object.isUndefined(value)) |
|
137 results.push(property.toJSON() + ': ' + value); |
|
138 } |
|
139 |
|
140 return '{' + results.join(', ') + '}'; |
|
141 }, |
|
142 |
|
143 toQueryString: function(object) { |
|
144 return $H(object).toQueryString(); |
|
145 }, |
|
146 |
|
147 toHTML: function(object) { |
|
148 return object && object.toHTML ? object.toHTML() : String.interpret(object); |
|
149 }, |
|
150 |
|
151 keys: function(object) { |
|
152 var keys = []; |
|
153 for (var property in object) |
|
154 keys.push(property); |
|
155 return keys; |
|
156 }, |
|
157 |
|
158 values: function(object) { |
|
159 var values = []; |
|
160 for (var property in object) |
|
161 values.push(object[property]); |
|
162 return values; |
|
163 }, |
|
164 |
|
165 clone: function(object) { |
|
166 return Object.extend({ }, object); |
|
167 }, |
|
168 |
|
169 isElement: function(object) { |
|
170 return object && object.nodeType == 1; |
|
171 }, |
|
172 |
|
173 isArray: function(object) { |
|
174 return object != null && typeof object == "object" && |
|
175 'splice' in object && 'join' in object; |
|
176 }, |
|
177 |
|
178 isHash: function(object) { |
|
179 return object instanceof Hash; |
|
180 }, |
|
181 |
|
182 isFunction: function(object) { |
|
183 return typeof object == "function"; |
|
184 }, |
|
185 |
|
186 isString: function(object) { |
|
187 return typeof object == "string"; |
|
188 }, |
|
189 |
|
190 isNumber: function(object) { |
|
191 return typeof object == "number"; |
|
192 }, |
|
193 |
|
194 isUndefined: function(object) { |
|
195 return typeof object == "undefined"; |
|
196 } |
|
197 }); |
|
198 |
|
199 Object.extend(Function.prototype, { |
|
200 argumentNames: function() { |
|
201 var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip"); |
|
202 return names.length == 1 && !names[0] ? [] : names; |
|
203 }, |
|
204 |
|
205 bind: function() { |
|
206 if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; |
|
207 var __method = this, args = $A(arguments), object = args.shift(); |
|
208 return function() { |
|
209 return __method.apply(object, args.concat($A(arguments))); |
|
210 } |
|
211 }, |
|
212 |
|
213 bindAsEventListener: function() { |
|
214 var __method = this, args = $A(arguments), object = args.shift(); |
|
215 return function(event) { |
|
216 return __method.apply(object, [event || window.event].concat(args)); |
|
217 } |
|
218 }, |
|
219 |
|
220 curry: function() { |
|
221 if (!arguments.length) return this; |
|
222 var __method = this, args = $A(arguments); |
|
223 return function() { |
|
224 return __method.apply(this, args.concat($A(arguments))); |
|
225 } |
|
226 }, |
|
227 |
|
228 delay: function() { |
|
229 var __method = this, args = $A(arguments), timeout = args.shift() * 1000; |
|
230 return window.setTimeout(function() { |
|
231 return __method.apply(__method, args); |
|
232 }, timeout); |
|
233 }, |
|
234 |
|
235 wrap: function(wrapper) { |
|
236 var __method = this; |
|
237 return function() { |
|
238 return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); |
|
239 } |
|
240 }, |
|
241 |
|
242 methodize: function() { |
|
243 if (this._methodized) return this._methodized; |
|
244 var __method = this; |
|
245 return this._methodized = function() { |
|
246 return __method.apply(null, [this].concat($A(arguments))); |
|
247 }; |
|
248 } |
|
249 }); |
|
250 |
|
251 Function.prototype.defer = Function.prototype.delay.curry(0.01); |
|
252 |
|
253 Date.prototype.toJSON = function() { |
|
254 return '"' + this.getUTCFullYear() + '-' + |
|
255 (this.getUTCMonth() + 1).toPaddedString(2) + '-' + |
|
256 this.getUTCDate().toPaddedString(2) + 'T' + |
|
257 this.getUTCHours().toPaddedString(2) + ':' + |
|
258 this.getUTCMinutes().toPaddedString(2) + ':' + |
|
259 this.getUTCSeconds().toPaddedString(2) + 'Z"'; |
|
260 }; |
|
261 |
|
262 var Try = { |
|
263 these: function() { |
|
264 var returnValue; |
|
265 |
|
266 for (var i = 0, length = arguments.length; i < length; i++) { |
|
267 var lambda = arguments[i]; |
|
268 try { |
|
269 returnValue = lambda(); |
|
270 break; |
|
271 } catch (e) { } |
|
272 } |
|
273 |
|
274 return returnValue; |
|
275 } |
|
276 }; |
|
277 |
|
278 RegExp.prototype.match = RegExp.prototype.test; |
|
279 |
|
280 RegExp.escape = function(str) { |
|
281 return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); |
|
282 }; |
|
283 |
|
284 /*--------------------------------------------------------------------------*/ |
|
285 |
|
286 var PeriodicalExecuter = Class.create({ |
|
287 initialize: function(callback, frequency) { |
|
288 this.callback = callback; |
|
289 this.frequency = frequency; |
|
290 this.currentlyExecuting = false; |
|
291 |
|
292 this.registerCallback(); |
|
293 }, |
|
294 |
|
295 registerCallback: function() { |
|
296 this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
|
297 }, |
|
298 |
|
299 execute: function() { |
|
300 this.callback(this); |
|
301 }, |
|
302 |
|
303 stop: function() { |
|
304 if (!this.timer) return; |
|
305 clearInterval(this.timer); |
|
306 this.timer = null; |
|
307 }, |
|
308 |
|
309 onTimerEvent: function() { |
|
310 if (!this.currentlyExecuting) { |
|
311 try { |
|
312 this.currentlyExecuting = true; |
|
313 this.execute(); |
|
314 } finally { |
|
315 this.currentlyExecuting = false; |
|
316 } |
|
317 } |
|
318 } |
|
319 }); |
|
320 Object.extend(String, { |
|
321 interpret: function(value) { |
|
322 return value == null ? '' : String(value); |
|
323 }, |
|
324 specialChar: { |
|
325 '\b': '\\b', |
|
326 '\t': '\\t', |
|
327 '\n': '\\n', |
|
328 '\f': '\\f', |
|
329 '\r': '\\r', |
|
330 '\\': '\\\\' |
|
331 } |
|
332 }); |
|
333 |
|
334 Object.extend(String.prototype, { |
|
335 gsub: function(pattern, replacement) { |
|
336 var result = '', source = this, match; |
|
337 replacement = arguments.callee.prepareReplacement(replacement); |
|
338 |
|
339 while (source.length > 0) { |
|
340 if (match = source.match(pattern)) { |
|
341 result += source.slice(0, match.index); |
|
342 result += String.interpret(replacement(match)); |
|
343 source = source.slice(match.index + match[0].length); |
|
344 } else { |
|
345 result += source, source = ''; |
|
346 } |
|
347 } |
|
348 return result; |
|
349 }, |
|
350 |
|
351 sub: function(pattern, replacement, count) { |
|
352 replacement = this.gsub.prepareReplacement(replacement); |
|
353 count = Object.isUndefined(count) ? 1 : count; |
|
354 |
|
355 return this.gsub(pattern, function(match) { |
|
356 if (--count < 0) return match[0]; |
|
357 return replacement(match); |
|
358 }); |
|
359 }, |
|
360 |
|
361 scan: function(pattern, iterator) { |
|
362 this.gsub(pattern, iterator); |
|
363 return String(this); |
|
364 }, |
|
365 |
|
366 truncate: function(length, truncation) { |
|
367 length = length || 30; |
|
368 truncation = Object.isUndefined(truncation) ? '...' : truncation; |
|
369 return this.length > length ? |
|
370 this.slice(0, length - truncation.length) + truncation : String(this); |
|
371 }, |
|
372 |
|
373 strip: function() { |
|
374 return this.replace(/^\s+/, '').replace(/\s+$/, ''); |
|
375 }, |
|
376 |
|
377 stripTags: function() { |
|
378 return this.replace(/<\/?[^>]+>/gi, ''); |
|
379 }, |
|
380 |
|
381 stripScripts: function() { |
|
382 return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); |
|
383 }, |
|
384 |
|
385 extractScripts: function() { |
|
386 var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); |
|
387 var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); |
|
388 return (this.match(matchAll) || []).map(function(scriptTag) { |
|
389 return (scriptTag.match(matchOne) || ['', ''])[1]; |
|
390 }); |
|
391 }, |
|
392 |
|
393 evalScripts: function() { |
|
394 return this.extractScripts().map(function(script) { return eval(script) }); |
|
395 }, |
|
396 |
|
397 escapeHTML: function() { |
|
398 var self = arguments.callee; |
|
399 self.text.data = this; |
|
400 return self.div.innerHTML; |
|
401 }, |
|
402 |
|
403 unescapeHTML: function() { |
|
404 var div = new Element('div'); |
|
405 div.innerHTML = this.stripTags(); |
|
406 return div.childNodes[0] ? (div.childNodes.length > 1 ? |
|
407 $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
|
408 div.childNodes[0].nodeValue) : ''; |
|
409 }, |
|
410 |
|
411 toQueryParams: function(separator) { |
|
412 var match = this.strip().match(/([^?#]*)(#.*)?$/); |
|
413 if (!match) return { }; |
|
414 |
|
415 return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
|
416 if ((pair = pair.split('='))[0]) { |
|
417 var key = decodeURIComponent(pair.shift()); |
|
418 var value = pair.length > 1 ? pair.join('=') : pair[0]; |
|
419 if (value != undefined) value = decodeURIComponent(value); |
|
420 |
|
421 if (key in hash) { |
|
422 if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; |
|
423 hash[key].push(value); |
|
424 } |
|
425 else hash[key] = value; |
|
426 } |
|
427 return hash; |
|
428 }); |
|
429 }, |
|
430 |
|
431 toArray: function() { |
|
432 return this.split(''); |
|
433 }, |
|
434 |
|
435 succ: function() { |
|
436 return this.slice(0, this.length - 1) + |
|
437 String.fromCharCode(this.charCodeAt(this.length - 1) + 1); |
|
438 }, |
|
439 |
|
440 times: function(count) { |
|
441 return count < 1 ? '' : new Array(count + 1).join(this); |
|
442 }, |
|
443 |
|
444 camelize: function() { |
|
445 var parts = this.split('-'), len = parts.length; |
|
446 if (len == 1) return parts[0]; |
|
447 |
|
448 var camelized = this.charAt(0) == '-' |
|
449 ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) |
|
450 : parts[0]; |
|
451 |
|
452 for (var i = 1; i < len; i++) |
|
453 camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); |
|
454 |
|
455 return camelized; |
|
456 }, |
|
457 |
|
458 capitalize: function() { |
|
459 return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
|
460 }, |
|
461 |
|
462 underscore: function() { |
|
463 return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); |
|
464 }, |
|
465 |
|
466 dasherize: function() { |
|
467 return this.gsub(/_/,'-'); |
|
468 }, |
|
469 |
|
470 inspect: function(useDoubleQuotes) { |
|
471 var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
|
472 var character = String.specialChar[match[0]]; |
|
473 return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); |
|
474 }); |
|
475 if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; |
|
476 return "'" + escapedString.replace(/'/g, '\\\'') + "'"; |
|
477 }, |
|
478 |
|
479 toJSON: function() { |
|
480 return this.inspect(true); |
|
481 }, |
|
482 |
|
483 unfilterJSON: function(filter) { |
|
484 return this.sub(filter || Prototype.JSONFilter, '#{1}'); |
|
485 }, |
|
486 |
|
487 isJSON: function() { |
|
488 var str = this; |
|
489 if (str.blank()) return false; |
|
490 str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); |
|
491 return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); |
|
492 }, |
|
493 |
|
494 evalJSON: function(sanitize) { |
|
495 var json = this.unfilterJSON(); |
|
496 try { |
|
497 if (!sanitize || json.isJSON()) return eval('(' + json + ')'); |
|
498 } catch (e) { } |
|
499 throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); |
|
500 }, |
|
501 |
|
502 include: function(pattern) { |
|
503 return this.indexOf(pattern) > -1; |
|
504 }, |
|
505 |
|
506 startsWith: function(pattern) { |
|
507 return this.indexOf(pattern) === 0; |
|
508 }, |
|
509 |
|
510 endsWith: function(pattern) { |
|
511 var d = this.length - pattern.length; |
|
512 return d >= 0 && this.lastIndexOf(pattern) === d; |
|
513 }, |
|
514 |
|
515 empty: function() { |
|
516 return this == ''; |
|
517 }, |
|
518 |
|
519 blank: function() { |
|
520 return /^\s*$/.test(this); |
|
521 }, |
|
522 |
|
523 interpolate: function(object, pattern) { |
|
524 return new Template(this, pattern).evaluate(object); |
|
525 } |
|
526 }); |
|
527 |
|
528 if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { |
|
529 escapeHTML: function() { |
|
530 return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
|
531 }, |
|
532 unescapeHTML: function() { |
|
533 return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); |
|
534 } |
|
535 }); |
|
536 |
|
537 String.prototype.gsub.prepareReplacement = function(replacement) { |
|
538 if (Object.isFunction(replacement)) return replacement; |
|
539 var template = new Template(replacement); |
|
540 return function(match) { return template.evaluate(match) }; |
|
541 }; |
|
542 |
|
543 String.prototype.parseQuery = String.prototype.toQueryParams; |
|
544 |
|
545 Object.extend(String.prototype.escapeHTML, { |
|
546 div: document.createElement('div'), |
|
547 text: document.createTextNode('') |
|
548 }); |
|
549 |
|
550 with (String.prototype.escapeHTML) div.appendChild(text); |
|
551 |
|
552 var Template = Class.create({ |
|
553 initialize: function(template, pattern) { |
|
554 this.template = template.toString(); |
|
555 this.pattern = pattern || Template.Pattern; |
|
556 }, |
|
557 |
|
558 evaluate: function(object) { |
|
559 if (Object.isFunction(object.toTemplateReplacements)) |
|
560 object = object.toTemplateReplacements(); |
|
561 |
|
562 return this.template.gsub(this.pattern, function(match) { |
|
563 if (object == null) return ''; |
|
564 |
|
565 var before = match[1] || ''; |
|
566 if (before == '\\') return match[2]; |
|
567 |
|
568 var ctx = object, expr = match[3]; |
|
569 var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; |
|
570 match = pattern.exec(expr); |
|
571 if (match == null) return before; |
|
572 |
|
573 while (match != null) { |
|
574 var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; |
|
575 ctx = ctx[comp]; |
|
576 if (null == ctx || '' == match[3]) break; |
|
577 expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); |
|
578 match = pattern.exec(expr); |
|
579 } |
|
580 |
|
581 return before + String.interpret(ctx); |
|
582 }); |
|
583 } |
|
584 }); |
|
585 Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; |
|
586 |
|
587 var $break = { }; |
|
588 |
|
589 var Enumerable = { |
|
590 each: function(iterator, context) { |
|
591 var index = 0; |
|
592 iterator = iterator.bind(context); |
|
593 try { |
|
594 this._each(function(value) { |
|
595 iterator(value, index++); |
|
596 }); |
|
597 } catch (e) { |
|
598 if (e != $break) throw e; |
|
599 } |
|
600 return this; |
|
601 }, |
|
602 |
|
603 eachSlice: function(number, iterator, context) { |
|
604 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
605 var index = -number, slices = [], array = this.toArray(); |
|
606 while ((index += number) < array.length) |
|
607 slices.push(array.slice(index, index+number)); |
|
608 return slices.collect(iterator, context); |
|
609 }, |
|
610 |
|
611 all: function(iterator, context) { |
|
612 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
613 var result = true; |
|
614 this.each(function(value, index) { |
|
615 result = result && !!iterator(value, index); |
|
616 if (!result) throw $break; |
|
617 }); |
|
618 return result; |
|
619 }, |
|
620 |
|
621 any: function(iterator, context) { |
|
622 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
623 var result = false; |
|
624 this.each(function(value, index) { |
|
625 if (result = !!iterator(value, index)) |
|
626 throw $break; |
|
627 }); |
|
628 return result; |
|
629 }, |
|
630 |
|
631 collect: function(iterator, context) { |
|
632 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
633 var results = []; |
|
634 this.each(function(value, index) { |
|
635 results.push(iterator(value, index)); |
|
636 }); |
|
637 return results; |
|
638 }, |
|
639 |
|
640 detect: function(iterator, context) { |
|
641 iterator = iterator.bind(context); |
|
642 var result; |
|
643 this.each(function(value, index) { |
|
644 if (iterator(value, index)) { |
|
645 result = value; |
|
646 throw $break; |
|
647 } |
|
648 }); |
|
649 return result; |
|
650 }, |
|
651 |
|
652 findAll: function(iterator, context) { |
|
653 iterator = iterator.bind(context); |
|
654 var results = []; |
|
655 this.each(function(value, index) { |
|
656 if (iterator(value, index)) |
|
657 results.push(value); |
|
658 }); |
|
659 return results; |
|
660 }, |
|
661 |
|
662 grep: function(filter, iterator, context) { |
|
663 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
664 var results = []; |
|
665 |
|
666 if (Object.isString(filter)) |
|
667 filter = new RegExp(filter); |
|
668 |
|
669 this.each(function(value, index) { |
|
670 if (filter.match(value)) |
|
671 results.push(iterator(value, index)); |
|
672 }); |
|
673 return results; |
|
674 }, |
|
675 |
|
676 include: function(object) { |
|
677 if (Object.isFunction(this.indexOf)) |
|
678 if (this.indexOf(object) != -1) return true; |
|
679 |
|
680 var found = false; |
|
681 this.each(function(value) { |
|
682 if (value == object) { |
|
683 found = true; |
|
684 throw $break; |
|
685 } |
|
686 }); |
|
687 return found; |
|
688 }, |
|
689 |
|
690 inGroupsOf: function(number, fillWith) { |
|
691 fillWith = Object.isUndefined(fillWith) ? null : fillWith; |
|
692 return this.eachSlice(number, function(slice) { |
|
693 while(slice.length < number) slice.push(fillWith); |
|
694 return slice; |
|
695 }); |
|
696 }, |
|
697 |
|
698 inject: function(memo, iterator, context) { |
|
699 iterator = iterator.bind(context); |
|
700 this.each(function(value, index) { |
|
701 memo = iterator(memo, value, index); |
|
702 }); |
|
703 return memo; |
|
704 }, |
|
705 |
|
706 invoke: function(method) { |
|
707 var args = $A(arguments).slice(1); |
|
708 return this.map(function(value) { |
|
709 return value[method].apply(value, args); |
|
710 }); |
|
711 }, |
|
712 |
|
713 max: function(iterator, context) { |
|
714 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
715 var result; |
|
716 this.each(function(value, index) { |
|
717 value = iterator(value, index); |
|
718 if (result == null || value >= result) |
|
719 result = value; |
|
720 }); |
|
721 return result; |
|
722 }, |
|
723 |
|
724 min: function(iterator, context) { |
|
725 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
726 var result; |
|
727 this.each(function(value, index) { |
|
728 value = iterator(value, index); |
|
729 if (result == null || value < result) |
|
730 result = value; |
|
731 }); |
|
732 return result; |
|
733 }, |
|
734 |
|
735 partition: function(iterator, context) { |
|
736 iterator = iterator ? iterator.bind(context) : Prototype.K; |
|
737 var trues = [], falses = []; |
|
738 this.each(function(value, index) { |
|
739 (iterator(value, index) ? |
|
740 trues : falses).push(value); |
|
741 }); |
|
742 return [trues, falses]; |
|
743 }, |
|
744 |
|
745 pluck: function(property) { |
|
746 var results = []; |
|
747 this.each(function(value) { |
|
748 results.push(value[property]); |
|
749 }); |
|
750 return results; |
|
751 }, |
|
752 |
|
753 reject: function(iterator, context) { |
|
754 iterator = iterator.bind(context); |
|
755 var results = []; |
|
756 this.each(function(value, index) { |
|
757 if (!iterator(value, index)) |
|
758 results.push(value); |
|
759 }); |
|
760 return results; |
|
761 }, |
|
762 |
|
763 sortBy: function(iterator, context) { |
|
764 iterator = iterator.bind(context); |
|
765 return this.map(function(value, index) { |
|
766 return {value: value, criteria: iterator(value, index)}; |
|
767 }).sort(function(left, right) { |
|
768 var a = left.criteria, b = right.criteria; |
|
769 return a < b ? -1 : a > b ? 1 : 0; |
|
770 }).pluck('value'); |
|
771 }, |
|
772 |
|
773 toArray: function() { |
|
774 return this.map(); |
|
775 }, |
|
776 |
|
777 zip: function() { |
|
778 var iterator = Prototype.K, args = $A(arguments); |
|
779 if (Object.isFunction(args.last())) |
|
780 iterator = args.pop(); |
|
781 |
|
782 var collections = [this].concat(args).map($A); |
|
783 return this.map(function(value, index) { |
|
784 return iterator(collections.pluck(index)); |
|
785 }); |
|
786 }, |
|
787 |
|
788 size: function() { |
|
789 return this.toArray().length; |
|
790 }, |
|
791 |
|
792 inspect: function() { |
|
793 return '#<Enumerable:' + this.toArray().inspect() + '>'; |
|
794 } |
|
795 }; |
|
796 |
|
797 Object.extend(Enumerable, { |
|
798 map: Enumerable.collect, |
|
799 find: Enumerable.detect, |
|
800 select: Enumerable.findAll, |
|
801 filter: Enumerable.findAll, |
|
802 member: Enumerable.include, |
|
803 entries: Enumerable.toArray, |
|
804 every: Enumerable.all, |
|
805 some: Enumerable.any |
|
806 }); |
|
807 function $A(iterable) { |
|
808 if (!iterable) return []; |
|
809 if (iterable.toArray) return iterable.toArray(); |
|
810 var length = iterable.length || 0, results = new Array(length); |
|
811 while (length--) results[length] = iterable[length]; |
|
812 return results; |
|
813 } |
|
814 |
|
815 if (Prototype.Browser.WebKit) { |
|
816 $A = function(iterable) { |
|
817 if (!iterable) return []; |
|
818 if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') && |
|
819 iterable.toArray) return iterable.toArray(); |
|
820 var length = iterable.length || 0, results = new Array(length); |
|
821 while (length--) results[length] = iterable[length]; |
|
822 return results; |
|
823 }; |
|
824 } |
|
825 |
|
826 Array.from = $A; |
|
827 |
|
828 Object.extend(Array.prototype, Enumerable); |
|
829 |
|
830 if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; |
|
831 |
|
832 Object.extend(Array.prototype, { |
|
833 _each: function(iterator) { |
|
834 for (var i = 0, length = this.length; i < length; i++) |
|
835 iterator(this[i]); |
|
836 }, |
|
837 |
|
838 clear: function() { |
|
839 this.length = 0; |
|
840 return this; |
|
841 }, |
|
842 |
|
843 first: function() { |
|
844 return this[0]; |
|
845 }, |
|
846 |
|
847 last: function() { |
|
848 return this[this.length - 1]; |
|
849 }, |
|
850 |
|
851 compact: function() { |
|
852 return this.select(function(value) { |
|
853 return value != null; |
|
854 }); |
|
855 }, |
|
856 |
|
857 flatten: function() { |
|
858 return this.inject([], function(array, value) { |
|
859 return array.concat(Object.isArray(value) ? |
|
860 value.flatten() : [value]); |
|
861 }); |
|
862 }, |
|
863 |
|
864 without: function() { |
|
865 var values = $A(arguments); |
|
866 return this.select(function(value) { |
|
867 return !values.include(value); |
|
868 }); |
|
869 }, |
|
870 |
|
871 reverse: function(inline) { |
|
872 return (inline !== false ? this : this.toArray())._reverse(); |
|
873 }, |
|
874 |
|
875 reduce: function() { |
|
876 return this.length > 1 ? this : this[0]; |
|
877 }, |
|
878 |
|
879 uniq: function(sorted) { |
|
880 return this.inject([], function(array, value, index) { |
|
881 if (0 == index || (sorted ? array.last() != value : !array.include(value))) |
|
882 array.push(value); |
|
883 return array; |
|
884 }); |
|
885 }, |
|
886 |
|
887 intersect: function(array) { |
|
888 return this.uniq().findAll(function(item) { |
|
889 return array.detect(function(value) { return item === value }); |
|
890 }); |
|
891 }, |
|
892 |
|
893 clone: function() { |
|
894 return [].concat(this); |
|
895 }, |
|
896 |
|
897 size: function() { |
|
898 return this.length; |
|
899 }, |
|
900 |
|
901 inspect: function() { |
|
902 return '[' + this.map(Object.inspect).join(', ') + ']'; |
|
903 }, |
|
904 |
|
905 toJSON: function() { |
|
906 var results = []; |
|
907 this.each(function(object) { |
|
908 var value = Object.toJSON(object); |
|
909 if (!Object.isUndefined(value)) results.push(value); |
|
910 }); |
|
911 return '[' + results.join(', ') + ']'; |
|
912 } |
|
913 }); |
|
914 |
|
915 // use native browser JS 1.6 implementation if available |
|
916 if (Object.isFunction(Array.prototype.forEach)) |
|
917 Array.prototype._each = Array.prototype.forEach; |
|
918 |
|
919 if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { |
|
920 i || (i = 0); |
|
921 var length = this.length; |
|
922 if (i < 0) i = length + i; |
|
923 for (; i < length; i++) |
|
924 if (this[i] === item) return i; |
|
925 return -1; |
|
926 }; |
|
927 |
|
928 if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { |
|
929 i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; |
|
930 var n = this.slice(0, i).reverse().indexOf(item); |
|
931 return (n < 0) ? n : i - n - 1; |
|
932 }; |
|
933 |
|
934 Array.prototype.toArray = Array.prototype.clone; |
|
935 |
|
936 function $w(string) { |
|
937 if (!Object.isString(string)) return []; |
|
938 string = string.strip(); |
|
939 return string ? string.split(/\s+/) : []; |
|
940 } |
|
941 |
|
942 if (Prototype.Browser.Opera){ |
|
943 Array.prototype.concat = function() { |
|
944 var array = []; |
|
945 for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
|
946 for (var i = 0, length = arguments.length; i < length; i++) { |
|
947 if (Object.isArray(arguments[i])) { |
|
948 for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) |
|
949 array.push(arguments[i][j]); |
|
950 } else { |
|
951 array.push(arguments[i]); |
|
952 } |
|
953 } |
|
954 return array; |
|
955 }; |
|
956 } |
|
957 Object.extend(Number.prototype, { |
|
958 toColorPart: function() { |
|
959 return this.toPaddedString(2, 16); |
|
960 }, |
|
961 |
|
962 succ: function() { |
|
963 return this + 1; |
|
964 }, |
|
965 |
|
966 times: function(iterator) { |
|
967 $R(0, this, true).each(iterator); |
|
968 return this; |
|
969 }, |
|
970 |
|
971 toPaddedString: function(length, radix) { |
|
972 var string = this.toString(radix || 10); |
|
973 return '0'.times(length - string.length) + string; |
|
974 }, |
|
975 |
|
976 toJSON: function() { |
|
977 return isFinite(this) ? this.toString() : 'null'; |
|
978 } |
|
979 }); |
|
980 |
|
981 $w('abs round ceil floor').each(function(method){ |
|
982 Number.prototype[method] = Math[method].methodize(); |
|
983 }); |
|
984 function $H(object) { |
|
985 return new Hash(object); |
|
986 }; |
|
987 |
|
988 var Hash = Class.create(Enumerable, (function() { |
|
989 |
|
990 function toQueryPair(key, value) { |
|
991 if (Object.isUndefined(value)) return key; |
|
992 return key + '=' + encodeURIComponent(String.interpret(value)); |
|
993 } |
|
994 |
|
995 return { |
|
996 initialize: function(object) { |
|
997 this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); |
|
998 }, |
|
999 |
|
1000 _each: function(iterator) { |
|
1001 for (var key in this._object) { |
|
1002 var value = this._object[key], pair = [key, value]; |
|
1003 pair.key = key; |
|
1004 pair.value = value; |
|
1005 iterator(pair); |
|
1006 } |
|
1007 }, |
|
1008 |
|
1009 set: function(key, value) { |
|
1010 return this._object[key] = value; |
|
1011 }, |
|
1012 |
|
1013 get: function(key) { |
|
1014 return this._object[key]; |
|
1015 }, |
|
1016 |
|
1017 unset: function(key) { |
|
1018 var value = this._object[key]; |
|
1019 delete this._object[key]; |
|
1020 return value; |
|
1021 }, |
|
1022 |
|
1023 toObject: function() { |
|
1024 return Object.clone(this._object); |
|
1025 }, |
|
1026 |
|
1027 keys: function() { |
|
1028 return this.pluck('key'); |
|
1029 }, |
|
1030 |
|
1031 values: function() { |
|
1032 return this.pluck('value'); |
|
1033 }, |
|
1034 |
|
1035 index: function(value) { |
|
1036 var match = this.detect(function(pair) { |
|
1037 return pair.value === value; |
|
1038 }); |
|
1039 return match && match.key; |
|
1040 }, |
|
1041 |
|
1042 merge: function(object) { |
|
1043 return this.clone().update(object); |
|
1044 }, |
|
1045 |
|
1046 update: function(object) { |
|
1047 return new Hash(object).inject(this, function(result, pair) { |
|
1048 result.set(pair.key, pair.value); |
|
1049 return result; |
|
1050 }); |
|
1051 }, |
|
1052 |
|
1053 toQueryString: function() { |
|
1054 return this.map(function(pair) { |
|
1055 var key = encodeURIComponent(pair.key), values = pair.value; |
|
1056 |
|
1057 if (values && typeof values == 'object') { |
|
1058 if (Object.isArray(values)) |
|
1059 return values.map(toQueryPair.curry(key)).join('&'); |
|
1060 } |
|
1061 return toQueryPair(key, values); |
|
1062 }).join('&'); |
|
1063 }, |
|
1064 |
|
1065 inspect: function() { |
|
1066 return '#<Hash:{' + this.map(function(pair) { |
|
1067 return pair.map(Object.inspect).join(': '); |
|
1068 }).join(', ') + '}>'; |
|
1069 }, |
|
1070 |
|
1071 toJSON: function() { |
|
1072 return Object.toJSON(this.toObject()); |
|
1073 }, |
|
1074 |
|
1075 clone: function() { |
|
1076 return new Hash(this); |
|
1077 } |
|
1078 } |
|
1079 })()); |
|
1080 |
|
1081 Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; |
|
1082 Hash.from = $H; |
|
1083 var ObjectRange = Class.create(Enumerable, { |
|
1084 initialize: function(start, end, exclusive) { |
|
1085 this.start = start; |
|
1086 this.end = end; |
|
1087 this.exclusive = exclusive; |
|
1088 }, |
|
1089 |
|
1090 _each: function(iterator) { |
|
1091 var value = this.start; |
|
1092 while (this.include(value)) { |
|
1093 iterator(value); |
|
1094 value = value.succ(); |
|
1095 } |
|
1096 }, |
|
1097 |
|
1098 include: function(value) { |
|
1099 if (value < this.start) |
|
1100 return false; |
|
1101 if (this.exclusive) |
|
1102 return value < this.end; |
|
1103 return value <= this.end; |
|
1104 } |
|
1105 }); |
|
1106 |
|
1107 var $R = function(start, end, exclusive) { |
|
1108 return new ObjectRange(start, end, exclusive); |
|
1109 }; |
|
1110 |
|
1111 var Ajax = { |
|
1112 getTransport: function() { |
|
1113 return Try.these( |
|
1114 function() {return new XMLHttpRequest()}, |
|
1115 function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
|
1116 function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
|
1117 ) || false; |
|
1118 }, |
|
1119 |
|
1120 activeRequestCount: 0 |
|
1121 }; |
|
1122 |
|
1123 Ajax.Responders = { |
|
1124 responders: [], |
|
1125 |
|
1126 _each: function(iterator) { |
|
1127 this.responders._each(iterator); |
|
1128 }, |
|
1129 |
|
1130 register: function(responder) { |
|
1131 if (!this.include(responder)) |
|
1132 this.responders.push(responder); |
|
1133 }, |
|
1134 |
|
1135 unregister: function(responder) { |
|
1136 this.responders = this.responders.without(responder); |
|
1137 }, |
|
1138 |
|
1139 dispatch: function(callback, request, transport, json) { |
|
1140 this.each(function(responder) { |
|
1141 if (Object.isFunction(responder[callback])) { |
|
1142 try { |
|
1143 responder[callback].apply(responder, [request, transport, json]); |
|
1144 } catch (e) { } |
|
1145 } |
|
1146 }); |
|
1147 } |
|
1148 }; |
|
1149 |
|
1150 Object.extend(Ajax.Responders, Enumerable); |
|
1151 |
|
1152 Ajax.Responders.register({ |
|
1153 onCreate: function() { Ajax.activeRequestCount++ }, |
|
1154 onComplete: function() { Ajax.activeRequestCount-- } |
|
1155 }); |
|
1156 |
|
1157 Ajax.Base = Class.create({ |
|
1158 initialize: function(options) { |
|
1159 this.options = { |
|
1160 method: 'post', |
|
1161 asynchronous: true, |
|
1162 contentType: 'application/x-www-form-urlencoded', |
|
1163 encoding: 'UTF-8', |
|
1164 parameters: '', |
|
1165 evalJSON: true, |
|
1166 evalJS: true |
|
1167 }; |
|
1168 Object.extend(this.options, options || { }); |
|
1169 |
|
1170 this.options.method = this.options.method.toLowerCase(); |
|
1171 |
|
1172 if (Object.isString(this.options.parameters)) |
|
1173 this.options.parameters = this.options.parameters.toQueryParams(); |
|
1174 else if (Object.isHash(this.options.parameters)) |
|
1175 this.options.parameters = this.options.parameters.toObject(); |
|
1176 } |
|
1177 }); |
|
1178 |
|
1179 Ajax.Request = Class.create(Ajax.Base, { |
|
1180 _complete: false, |
|
1181 |
|
1182 initialize: function($super, url, options) { |
|
1183 $super(options); |
|
1184 this.transport = Ajax.getTransport(); |
|
1185 this.request(url); |
|
1186 }, |
|
1187 |
|
1188 request: function(url) { |
|
1189 this.url = url; |
|
1190 this.method = this.options.method; |
|
1191 var params = Object.clone(this.options.parameters); |
|
1192 |
|
1193 if (!['get', 'post'].include(this.method)) { |
|
1194 // simulate other verbs over post |
|
1195 params['_method'] = this.method; |
|
1196 this.method = 'post'; |
|
1197 } |
|
1198 |
|
1199 this.parameters = params; |
|
1200 |
|
1201 if (params = Object.toQueryString(params)) { |
|
1202 // when GET, append parameters to URL |
|
1203 if (this.method == 'get') |
|
1204 this.url += (this.url.include('?') ? '&' : '?') + params; |
|
1205 else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) |
|
1206 params += '&_='; |
|
1207 } |
|
1208 |
|
1209 try { |
|
1210 var response = new Ajax.Response(this); |
|
1211 if (this.options.onCreate) this.options.onCreate(response); |
|
1212 Ajax.Responders.dispatch('onCreate', this, response); |
|
1213 |
|
1214 this.transport.open(this.method.toUpperCase(), this.url, |
|
1215 this.options.asynchronous); |
|
1216 |
|
1217 if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); |
|
1218 |
|
1219 this.transport.onreadystatechange = this.onStateChange.bind(this); |
|
1220 this.setRequestHeaders(); |
|
1221 |
|
1222 this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
|
1223 this.transport.send(this.body); |
|
1224 |
|
1225 /* Force Firefox to handle ready state 4 for synchronous requests */ |
|
1226 if (!this.options.asynchronous && this.transport.overrideMimeType) |
|
1227 this.onStateChange(); |
|
1228 |
|
1229 } |
|
1230 catch (e) { |
|
1231 this.dispatchException(e); |
|
1232 } |
|
1233 }, |
|
1234 |
|
1235 onStateChange: function() { |
|
1236 var readyState = this.transport.readyState; |
|
1237 if (readyState > 1 && !((readyState == 4) && this._complete)) |
|
1238 this.respondToReadyState(this.transport.readyState); |
|
1239 }, |
|
1240 |
|
1241 setRequestHeaders: function() { |
|
1242 var headers = { |
|
1243 'X-Requested-With': 'XMLHttpRequest', |
|
1244 'X-Prototype-Version': Prototype.Version, |
|
1245 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' |
|
1246 }; |
|
1247 |
|
1248 if (this.method == 'post') { |
|
1249 headers['Content-type'] = this.options.contentType + |
|
1250 (this.options.encoding ? '; charset=' + this.options.encoding : ''); |
|
1251 |
|
1252 /* Force "Connection: close" for older Mozilla browsers to work |
|
1253 * around a bug where XMLHttpRequest sends an incorrect |
|
1254 * Content-length header. See Mozilla Bugzilla #246651. |
|
1255 */ |
|
1256 if (this.transport.overrideMimeType && |
|
1257 (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) |
|
1258 headers['Connection'] = 'close'; |
|
1259 } |
|
1260 |
|
1261 // user-defined headers |
|
1262 if (typeof this.options.requestHeaders == 'object') { |
|
1263 var extras = this.options.requestHeaders; |
|
1264 |
|
1265 if (Object.isFunction(extras.push)) |
|
1266 for (var i = 0, length = extras.length; i < length; i += 2) |
|
1267 headers[extras[i]] = extras[i+1]; |
|
1268 else |
|
1269 $H(extras).each(function(pair) { headers[pair.key] = pair.value }); |
|
1270 } |
|
1271 |
|
1272 for (var name in headers) |
|
1273 this.transport.setRequestHeader(name, headers[name]); |
|
1274 }, |
|
1275 |
|
1276 success: function() { |
|
1277 var status = this.getStatus(); |
|
1278 return !status || (status >= 200 && status < 300); |
|
1279 }, |
|
1280 |
|
1281 getStatus: function() { |
|
1282 try { |
|
1283 return this.transport.status || 0; |
|
1284 } catch (e) { return 0 } |
|
1285 }, |
|
1286 |
|
1287 respondToReadyState: function(readyState) { |
|
1288 var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); |
|
1289 |
|
1290 if (state == 'Complete') { |
|
1291 try { |
|
1292 this._complete = true; |
|
1293 (this.options['on' + response.status] |
|
1294 || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
|
1295 || Prototype.emptyFunction)(response, response.headerJSON); |
|
1296 } catch (e) { |
|
1297 this.dispatchException(e); |
|
1298 } |
|
1299 |
|
1300 var contentType = response.getHeader('Content-type'); |
|
1301 if (this.options.evalJS == 'force' |
|
1302 || (this.options.evalJS && this.isSameOrigin() && contentType |
|
1303 && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) |
|
1304 this.evalResponse(); |
|
1305 } |
|
1306 |
|
1307 try { |
|
1308 (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); |
|
1309 Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); |
|
1310 } catch (e) { |
|
1311 this.dispatchException(e); |
|
1312 } |
|
1313 |
|
1314 if (state == 'Complete') { |
|
1315 // avoid memory leak in MSIE: clean up |
|
1316 this.transport.onreadystatechange = Prototype.emptyFunction; |
|
1317 } |
|
1318 }, |
|
1319 |
|
1320 isSameOrigin: function() { |
|
1321 var m = this.url.match(/^\s*https?:\/\/[^\/]*/); |
|
1322 return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({ |
|
1323 protocol: location.protocol, |
|
1324 domain: document.domain, |
|
1325 port: location.port ? ':' + location.port : '' |
|
1326 })); |
|
1327 }, |
|
1328 |
|
1329 getHeader: function(name) { |
|
1330 try { |
|
1331 return this.transport.getResponseHeader(name) || null; |
|
1332 } catch (e) { return null } |
|
1333 }, |
|
1334 |
|
1335 evalResponse: function() { |
|
1336 try { |
|
1337 return eval((this.transport.responseText || '').unfilterJSON()); |
|
1338 } catch (e) { |
|
1339 this.dispatchException(e); |
|
1340 } |
|
1341 }, |
|
1342 |
|
1343 dispatchException: function(exception) { |
|
1344 (this.options.onException || Prototype.emptyFunction)(this, exception); |
|
1345 Ajax.Responders.dispatch('onException', this, exception); |
|
1346 } |
|
1347 }); |
|
1348 |
|
1349 Ajax.Request.Events = |
|
1350 ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; |
|
1351 |
|
1352 Ajax.Response = Class.create({ |
|
1353 initialize: function(request){ |
|
1354 this.request = request; |
|
1355 var transport = this.transport = request.transport, |
|
1356 readyState = this.readyState = transport.readyState; |
|
1357 |
|
1358 if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { |
|
1359 this.status = this.getStatus(); |
|
1360 this.statusText = this.getStatusText(); |
|
1361 this.responseText = String.interpret(transport.responseText); |
|
1362 this.headerJSON = this._getHeaderJSON(); |
|
1363 } |
|
1364 |
|
1365 if(readyState == 4) { |
|
1366 var xml = transport.responseXML; |
|
1367 this.responseXML = Object.isUndefined(xml) ? null : xml; |
|
1368 this.responseJSON = this._getResponseJSON(); |
|
1369 } |
|
1370 }, |
|
1371 |
|
1372 status: 0, |
|
1373 statusText: '', |
|
1374 |
|
1375 getStatus: Ajax.Request.prototype.getStatus, |
|
1376 |
|
1377 getStatusText: function() { |
|
1378 try { |
|
1379 return this.transport.statusText || ''; |
|
1380 } catch (e) { return '' } |
|
1381 }, |
|
1382 |
|
1383 getHeader: Ajax.Request.prototype.getHeader, |
|
1384 |
|
1385 getAllHeaders: function() { |
|
1386 try { |
|
1387 return this.getAllResponseHeaders(); |
|
1388 } catch (e) { return null } |
|
1389 }, |
|
1390 |
|
1391 getResponseHeader: function(name) { |
|
1392 return this.transport.getResponseHeader(name); |
|
1393 }, |
|
1394 |
|
1395 getAllResponseHeaders: function() { |
|
1396 return this.transport.getAllResponseHeaders(); |
|
1397 }, |
|
1398 |
|
1399 _getHeaderJSON: function() { |
|
1400 var json = this.getHeader('X-JSON'); |
|
1401 if (!json) return null; |
|
1402 json = decodeURIComponent(escape(json)); |
|
1403 try { |
|
1404 return json.evalJSON(this.request.options.sanitizeJSON || |
|
1405 !this.request.isSameOrigin()); |
|
1406 } catch (e) { |
|
1407 this.request.dispatchException(e); |
|
1408 } |
|
1409 }, |
|
1410 |
|
1411 _getResponseJSON: function() { |
|
1412 var options = this.request.options; |
|
1413 if (!options.evalJSON || (options.evalJSON != 'force' && |
|
1414 !(this.getHeader('Content-type') || '').include('application/json')) || |
|
1415 this.responseText.blank()) |
|
1416 return null; |
|
1417 try { |
|
1418 return this.responseText.evalJSON(options.sanitizeJSON || |
|
1419 !this.request.isSameOrigin()); |
|
1420 } catch (e) { |
|
1421 this.request.dispatchException(e); |
|
1422 } |
|
1423 } |
|
1424 }); |
|
1425 |
|
1426 Ajax.Updater = Class.create(Ajax.Request, { |
|
1427 initialize: function($super, container, url, options) { |
|
1428 this.container = { |
|
1429 success: (container.success || container), |
|
1430 failure: (container.failure || (container.success ? null : container)) |
|
1431 }; |
|
1432 |
|
1433 options = Object.clone(options); |
|
1434 var onComplete = options.onComplete; |
|
1435 options.onComplete = (function(response, json) { |
|
1436 this.updateContent(response.responseText); |
|
1437 if (Object.isFunction(onComplete)) onComplete(response, json); |
|
1438 }).bind(this); |
|
1439 |
|
1440 $super(url, options); |
|
1441 }, |
|
1442 |
|
1443 updateContent: function(responseText) { |
|
1444 var receiver = this.container[this.success() ? 'success' : 'failure'], |
|
1445 options = this.options; |
|
1446 |
|
1447 if (!options.evalScripts) responseText = responseText.stripScripts(); |
|
1448 |
|
1449 if (receiver = $(receiver)) { |
|
1450 if (options.insertion) { |
|
1451 if (Object.isString(options.insertion)) { |
|
1452 var insertion = { }; insertion[options.insertion] = responseText; |
|
1453 receiver.insert(insertion); |
|
1454 } |
|
1455 else options.insertion(receiver, responseText); |
|
1456 } |
|
1457 else receiver.update(responseText); |
|
1458 } |
|
1459 } |
|
1460 }); |
|
1461 |
|
1462 Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
|
1463 initialize: function($super, container, url, options) { |
|
1464 $super(options); |
|
1465 this.onComplete = this.options.onComplete; |
|
1466 |
|
1467 this.frequency = (this.options.frequency || 2); |
|
1468 this.decay = (this.options.decay || 1); |
|
1469 |
|
1470 this.updater = { }; |
|
1471 this.container = container; |
|
1472 this.url = url; |
|
1473 |
|
1474 this.start(); |
|
1475 }, |
|
1476 |
|
1477 start: function() { |
|
1478 this.options.onComplete = this.updateComplete.bind(this); |
|
1479 this.onTimerEvent(); |
|
1480 }, |
|
1481 |
|
1482 stop: function() { |
|
1483 this.updater.options.onComplete = undefined; |
|
1484 clearTimeout(this.timer); |
|
1485 (this.onComplete || Prototype.emptyFunction).apply(this, arguments); |
|
1486 }, |
|
1487 |
|
1488 updateComplete: function(response) { |
|
1489 if (this.options.decay) { |
|
1490 this.decay = (response.responseText == this.lastText ? |
|
1491 this.decay * this.options.decay : 1); |
|
1492 |
|
1493 this.lastText = response.responseText; |
|
1494 } |
|
1495 this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
|
1496 }, |
|
1497 |
|
1498 onTimerEvent: function() { |
|
1499 this.updater = new Ajax.Updater(this.container, this.url, this.options); |
|
1500 } |
|
1501 }); |
|
1502 function $(element) { |
|
1503 if (arguments.length > 1) { |
|
1504 for (var i = 0, elements = [], length = arguments.length; i < length; i++) |
|
1505 elements.push($(arguments[i])); |
|
1506 return elements; |
|
1507 } |
|
1508 if (Object.isString(element)) |
|
1509 element = document.getElementById(element); |
|
1510 return Element.extend(element); |
|
1511 } |
|
1512 |
|
1513 if (Prototype.BrowserFeatures.XPath) { |
|
1514 document._getElementsByXPath = function(expression, parentElement) { |
|
1515 var results = []; |
|
1516 var query = document.evaluate(expression, $(parentElement) || document, |
|
1517 null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); |
|
1518 for (var i = 0, length = query.snapshotLength; i < length; i++) |
|
1519 results.push(Element.extend(query.snapshotItem(i))); |
|
1520 return results; |
|
1521 }; |
|
1522 } |
|
1523 |
|
1524 /*--------------------------------------------------------------------------*/ |
|
1525 |
|
1526 if (!window.Node) var Node = { }; |
|
1527 |
|
1528 if (!Node.ELEMENT_NODE) { |
|
1529 // DOM level 2 ECMAScript Language Binding |
|
1530 Object.extend(Node, { |
|
1531 ELEMENT_NODE: 1, |
|
1532 ATTRIBUTE_NODE: 2, |
|
1533 TEXT_NODE: 3, |
|
1534 CDATA_SECTION_NODE: 4, |
|
1535 ENTITY_REFERENCE_NODE: 5, |
|
1536 ENTITY_NODE: 6, |
|
1537 PROCESSING_INSTRUCTION_NODE: 7, |
|
1538 COMMENT_NODE: 8, |
|
1539 DOCUMENT_NODE: 9, |
|
1540 DOCUMENT_TYPE_NODE: 10, |
|
1541 DOCUMENT_FRAGMENT_NODE: 11, |
|
1542 NOTATION_NODE: 12 |
|
1543 }); |
|
1544 } |
|
1545 |
|
1546 (function() { |
|
1547 var element = this.Element; |
|
1548 this.Element = function(tagName, attributes) { |
|
1549 attributes = attributes || { }; |
|
1550 tagName = tagName.toLowerCase(); |
|
1551 var cache = Element.cache; |
|
1552 if (Prototype.Browser.IE && attributes.name) { |
|
1553 tagName = '<' + tagName + ' name="' + attributes.name + '">'; |
|
1554 delete attributes.name; |
|
1555 return Element.writeAttribute(document.createElement(tagName), attributes); |
|
1556 } |
|
1557 if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
|
1558 return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); |
|
1559 }; |
|
1560 Object.extend(this.Element, element || { }); |
|
1561 }).call(window); |
|
1562 |
|
1563 Element.cache = { }; |
|
1564 |
|
1565 Element.Methods = { |
|
1566 visible: function(element) { |
|
1567 return $(element).style.display != 'none'; |
|
1568 }, |
|
1569 |
|
1570 toggle: function(element) { |
|
1571 element = $(element); |
|
1572 Element[Element.visible(element) ? 'hide' : 'show'](element); |
|
1573 return element; |
|
1574 }, |
|
1575 |
|
1576 hide: function(element) { |
|
1577 $(element).style.display = 'none'; |
|
1578 return element; |
|
1579 }, |
|
1580 |
|
1581 show: function(element) { |
|
1582 $(element).style.display = ''; |
|
1583 return element; |
|
1584 }, |
|
1585 |
|
1586 remove: function(element) { |
|
1587 element = $(element); |
|
1588 element.parentNode.removeChild(element); |
|
1589 return element; |
|
1590 }, |
|
1591 |
|
1592 update: function(element, content) { |
|
1593 element = $(element); |
|
1594 if (content && content.toElement) content = content.toElement(); |
|
1595 if (Object.isElement(content)) return element.update().insert(content); |
|
1596 content = Object.toHTML(content); |
|
1597 element.innerHTML = content.stripScripts(); |
|
1598 content.evalScripts.bind(content).defer(); |
|
1599 return element; |
|
1600 }, |
|
1601 |
|
1602 replace: function(element, content) { |
|
1603 element = $(element); |
|
1604 if (content && content.toElement) content = content.toElement(); |
|
1605 else if (!Object.isElement(content)) { |
|
1606 content = Object.toHTML(content); |
|
1607 var range = element.ownerDocument.createRange(); |
|
1608 range.selectNode(element); |
|
1609 content.evalScripts.bind(content).defer(); |
|
1610 content = range.createContextualFragment(content.stripScripts()); |
|
1611 } |
|
1612 element.parentNode.replaceChild(content, element); |
|
1613 return element; |
|
1614 }, |
|
1615 |
|
1616 insert: function(element, insertions) { |
|
1617 element = $(element); |
|
1618 |
|
1619 if (Object.isString(insertions) || Object.isNumber(insertions) || |
|
1620 Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) |
|
1621 insertions = {bottom:insertions}; |
|
1622 |
|
1623 var content, insert, tagName, childNodes; |
|
1624 |
|
1625 for (var position in insertions) { |
|
1626 content = insertions[position]; |
|
1627 position = position.toLowerCase(); |
|
1628 insert = Element._insertionTranslations[position]; |
|
1629 |
|
1630 if (content && content.toElement) content = content.toElement(); |
|
1631 if (Object.isElement(content)) { |
|
1632 insert(element, content); |
|
1633 continue; |
|
1634 } |
|
1635 |
|
1636 content = Object.toHTML(content); |
|
1637 |
|
1638 tagName = ((position == 'before' || position == 'after') |
|
1639 ? element.parentNode : element).tagName.toUpperCase(); |
|
1640 |
|
1641 childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
|
1642 |
|
1643 if (position == 'top' || position == 'after') childNodes.reverse(); |
|
1644 childNodes.each(insert.curry(element)); |
|
1645 |
|
1646 content.evalScripts.bind(content).defer(); |
|
1647 } |
|
1648 |
|
1649 return element; |
|
1650 }, |
|
1651 |
|
1652 wrap: function(element, wrapper, attributes) { |
|
1653 element = $(element); |
|
1654 if (Object.isElement(wrapper)) |
|
1655 $(wrapper).writeAttribute(attributes || { }); |
|
1656 else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); |
|
1657 else wrapper = new Element('div', wrapper); |
|
1658 if (element.parentNode) |
|
1659 element.parentNode.replaceChild(wrapper, element); |
|
1660 wrapper.appendChild(element); |
|
1661 return wrapper; |
|
1662 }, |
|
1663 |
|
1664 inspect: function(element) { |
|
1665 element = $(element); |
|
1666 var result = '<' + element.tagName.toLowerCase(); |
|
1667 $H({'id': 'id', 'className': 'class'}).each(function(pair) { |
|
1668 var property = pair.first(), attribute = pair.last(); |
|
1669 var value = (element[property] || '').toString(); |
|
1670 if (value) result += ' ' + attribute + '=' + value.inspect(true); |
|
1671 }); |
|
1672 return result + '>'; |
|
1673 }, |
|
1674 |
|
1675 recursivelyCollect: function(element, property) { |
|
1676 element = $(element); |
|
1677 var elements = []; |
|
1678 while (element = element[property]) |
|
1679 if (element.nodeType == 1) |
|
1680 elements.push(Element.extend(element)); |
|
1681 return elements; |
|
1682 }, |
|
1683 |
|
1684 ancestors: function(element) { |
|
1685 return $(element).recursivelyCollect('parentNode'); |
|
1686 }, |
|
1687 |
|
1688 descendants: function(element) { |
|
1689 return $(element).select("*"); |
|
1690 }, |
|
1691 |
|
1692 firstDescendant: function(element) { |
|
1693 element = $(element).firstChild; |
|
1694 while (element && element.nodeType != 1) element = element.nextSibling; |
|
1695 return $(element); |
|
1696 }, |
|
1697 |
|
1698 immediateDescendants: function(element) { |
|
1699 if (!(element = $(element).firstChild)) return []; |
|
1700 while (element && element.nodeType != 1) element = element.nextSibling; |
|
1701 if (element) return [element].concat($(element).nextSiblings()); |
|
1702 return []; |
|
1703 }, |
|
1704 |
|
1705 previousSiblings: function(element) { |
|
1706 return $(element).recursivelyCollect('previousSibling'); |
|
1707 }, |
|
1708 |
|
1709 nextSiblings: function(element) { |
|
1710 return $(element).recursivelyCollect('nextSibling'); |
|
1711 }, |
|
1712 |
|
1713 siblings: function(element) { |
|
1714 element = $(element); |
|
1715 return element.previousSiblings().reverse().concat(element.nextSiblings()); |
|
1716 }, |
|
1717 |
|
1718 match: function(element, selector) { |
|
1719 if (Object.isString(selector)) |
|
1720 selector = new Selector(selector); |
|
1721 return selector.match($(element)); |
|
1722 }, |
|
1723 |
|
1724 up: function(element, expression, index) { |
|
1725 element = $(element); |
|
1726 if (arguments.length == 1) return $(element.parentNode); |
|
1727 var ancestors = element.ancestors(); |
|
1728 return Object.isNumber(expression) ? ancestors[expression] : |
|
1729 Selector.findElement(ancestors, expression, index); |
|
1730 }, |
|
1731 |
|
1732 down: function(element, expression, index) { |
|
1733 element = $(element); |
|
1734 if (arguments.length == 1) return element.firstDescendant(); |
|
1735 return Object.isNumber(expression) ? element.descendants()[expression] : |
|
1736 element.select(expression)[index || 0]; |
|
1737 }, |
|
1738 |
|
1739 previous: function(element, expression, index) { |
|
1740 element = $(element); |
|
1741 if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); |
|
1742 var previousSiblings = element.previousSiblings(); |
|
1743 return Object.isNumber(expression) ? previousSiblings[expression] : |
|
1744 Selector.findElement(previousSiblings, expression, index); |
|
1745 }, |
|
1746 |
|
1747 next: function(element, expression, index) { |
|
1748 element = $(element); |
|
1749 if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); |
|
1750 var nextSiblings = element.nextSiblings(); |
|
1751 return Object.isNumber(expression) ? nextSiblings[expression] : |
|
1752 Selector.findElement(nextSiblings, expression, index); |
|
1753 }, |
|
1754 |
|
1755 select: function() { |
|
1756 var args = $A(arguments), element = $(args.shift()); |
|
1757 return Selector.findChildElements(element, args); |
|
1758 }, |
|
1759 |
|
1760 adjacent: function() { |
|
1761 var args = $A(arguments), element = $(args.shift()); |
|
1762 return Selector.findChildElements(element.parentNode, args).without(element); |
|
1763 }, |
|
1764 |
|
1765 identify: function(element) { |
|
1766 element = $(element); |
|
1767 var id = element.readAttribute('id'), self = arguments.callee; |
|
1768 if (id) return id; |
|
1769 do { id = 'anonymous_element_' + self.counter++ } while ($(id)); |
|
1770 element.writeAttribute('id', id); |
|
1771 return id; |
|
1772 }, |
|
1773 |
|
1774 readAttribute: function(element, name) { |
|
1775 element = $(element); |
|
1776 if (Prototype.Browser.IE) { |
|
1777 var t = Element._attributeTranslations.read; |
|
1778 if (t.values[name]) return t.values[name](element, name); |
|
1779 if (t.names[name]) name = t.names[name]; |
|
1780 if (name.include(':')) { |
|
1781 return (!element.attributes || !element.attributes[name]) ? null : |
|
1782 element.attributes[name].value; |
|
1783 } |
|
1784 } |
|
1785 return element.getAttribute(name); |
|
1786 }, |
|
1787 |
|
1788 writeAttribute: function(element, name, value) { |
|
1789 element = $(element); |
|
1790 var attributes = { }, t = Element._attributeTranslations.write; |
|
1791 |
|
1792 if (typeof name == 'object') attributes = name; |
|
1793 else attributes[name] = Object.isUndefined(value) ? true : value; |
|
1794 |
|
1795 for (var attr in attributes) { |
|
1796 name = t.names[attr] || attr; |
|
1797 value = attributes[attr]; |
|
1798 if (t.values[attr]) name = t.values[attr](element, value); |
|
1799 if (value === false || value === null) |
|
1800 element.removeAttribute(name); |
|
1801 else if (value === true) |
|
1802 element.setAttribute(name, name); |
|
1803 else element.setAttribute(name, value); |
|
1804 } |
|
1805 return element; |
|
1806 }, |
|
1807 |
|
1808 getHeight: function(element) { |
|
1809 return $(element).getDimensions().height; |
|
1810 }, |
|
1811 |
|
1812 getWidth: function(element) { |
|
1813 return $(element).getDimensions().width; |
|
1814 }, |
|
1815 |
|
1816 classNames: function(element) { |
|
1817 return new Element.ClassNames(element); |
|
1818 }, |
|
1819 |
|
1820 hasClassName: function(element, className) { |
|
1821 if (!(element = $(element))) return; |
|
1822 var elementClassName = element.className; |
|
1823 return (elementClassName.length > 0 && (elementClassName == className || |
|
1824 new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); |
|
1825 }, |
|
1826 |
|
1827 addClassName: function(element, className) { |
|
1828 if (!(element = $(element))) return; |
|
1829 if (!element.hasClassName(className)) |
|
1830 element.className += (element.className ? ' ' : '') + className; |
|
1831 return element; |
|
1832 }, |
|
1833 |
|
1834 removeClassName: function(element, className) { |
|
1835 if (!(element = $(element))) return; |
|
1836 element.className = element.className.replace( |
|
1837 new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); |
|
1838 return element; |
|
1839 }, |
|
1840 |
|
1841 toggleClassName: function(element, className) { |
|
1842 if (!(element = $(element))) return; |
|
1843 return element[element.hasClassName(className) ? |
|
1844 'removeClassName' : 'addClassName'](className); |
|
1845 }, |
|
1846 |
|
1847 // removes whitespace-only text node children |
|
1848 cleanWhitespace: function(element) { |
|
1849 element = $(element); |
|
1850 var node = element.firstChild; |
|
1851 while (node) { |
|
1852 var nextNode = node.nextSibling; |
|
1853 if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
|
1854 element.removeChild(node); |
|
1855 node = nextNode; |
|
1856 } |
|
1857 return element; |
|
1858 }, |
|
1859 |
|
1860 empty: function(element) { |
|
1861 return $(element).innerHTML.blank(); |
|
1862 }, |
|
1863 |
|
1864 descendantOf: function(element, ancestor) { |
|
1865 element = $(element), ancestor = $(ancestor); |
|
1866 var originalAncestor = ancestor; |
|
1867 |
|
1868 if (element.compareDocumentPosition) |
|
1869 return (element.compareDocumentPosition(ancestor) & 8) === 8; |
|
1870 |
|
1871 if (element.sourceIndex && !Prototype.Browser.Opera) { |
|
1872 var e = element.sourceIndex, a = ancestor.sourceIndex, |
|
1873 nextAncestor = ancestor.nextSibling; |
|
1874 if (!nextAncestor) { |
|
1875 do { ancestor = ancestor.parentNode; } |
|
1876 while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); |
|
1877 } |
|
1878 if (nextAncestor && nextAncestor.sourceIndex) |
|
1879 return (e > a && e < nextAncestor.sourceIndex); |
|
1880 } |
|
1881 |
|
1882 while (element = element.parentNode) |
|
1883 if (element == originalAncestor) return true; |
|
1884 return false; |
|
1885 }, |
|
1886 |
|
1887 scrollTo: function(element) { |
|
1888 element = $(element); |
|
1889 var pos = element.cumulativeOffset(); |
|
1890 window.scrollTo(pos[0], pos[1]); |
|
1891 return element; |
|
1892 }, |
|
1893 |
|
1894 getStyle: function(element, style) { |
|
1895 element = $(element); |
|
1896 style = style == 'float' ? 'cssFloat' : style.camelize(); |
|
1897 var value = element.style[style]; |
|
1898 if (!value) { |
|
1899 var css = document.defaultView.getComputedStyle(element, null); |
|
1900 value = css ? css[style] : null; |
|
1901 } |
|
1902 if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
|
1903 return value == 'auto' ? null : value; |
|
1904 }, |
|
1905 |
|
1906 getOpacity: function(element) { |
|
1907 return $(element).getStyle('opacity'); |
|
1908 }, |
|
1909 |
|
1910 setStyle: function(element, styles) { |
|
1911 element = $(element); |
|
1912 var elementStyle = element.style, match; |
|
1913 if (Object.isString(styles)) { |
|
1914 element.style.cssText += ';' + styles; |
|
1915 return styles.include('opacity') ? |
|
1916 element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; |
|
1917 } |
|
1918 for (var property in styles) |
|
1919 if (property == 'opacity') element.setOpacity(styles[property]); |
|
1920 else |
|
1921 elementStyle[(property == 'float' || property == 'cssFloat') ? |
|
1922 (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : |
|
1923 property] = styles[property]; |
|
1924 |
|
1925 return element; |
|
1926 }, |
|
1927 |
|
1928 setOpacity: function(element, value) { |
|
1929 element = $(element); |
|
1930 element.style.opacity = (value == 1 || value === '') ? '' : |
|
1931 (value < 0.00001) ? 0 : value; |
|
1932 return element; |
|
1933 }, |
|
1934 |
|
1935 getDimensions: function(element) { |
|
1936 element = $(element); |
|
1937 var display = $(element).getStyle('display'); |
|
1938 if (display != 'none' && display != null) // Safari bug |
|
1939 return {width: element.offsetWidth, height: element.offsetHeight}; |
|
1940 |
|
1941 // All *Width and *Height properties give 0 on elements with display none, |
|
1942 // so enable the element temporarily |
|
1943 var els = element.style; |
|
1944 var originalVisibility = els.visibility; |
|
1945 var originalPosition = els.position; |
|
1946 var originalDisplay = els.display; |
|
1947 els.visibility = 'hidden'; |
|
1948 els.position = 'absolute'; |
|
1949 els.display = 'block'; |
|
1950 var originalWidth = element.clientWidth; |
|
1951 var originalHeight = element.clientHeight; |
|
1952 els.display = originalDisplay; |
|
1953 els.position = originalPosition; |
|
1954 els.visibility = originalVisibility; |
|
1955 return {width: originalWidth, height: originalHeight}; |
|
1956 }, |
|
1957 |
|
1958 makePositioned: function(element) { |
|
1959 element = $(element); |
|
1960 var pos = Element.getStyle(element, 'position'); |
|
1961 if (pos == 'static' || !pos) { |
|
1962 element._madePositioned = true; |
|
1963 element.style.position = 'relative'; |
|
1964 // Opera returns the offset relative to the positioning context, when an |
|
1965 // element is position relative but top and left have not been defined |
|
1966 if (window.opera) { |
|
1967 element.style.top = 0; |
|
1968 element.style.left = 0; |
|
1969 } |
|
1970 } |
|
1971 return element; |
|
1972 }, |
|
1973 |
|
1974 undoPositioned: function(element) { |
|
1975 element = $(element); |
|
1976 if (element._madePositioned) { |
|
1977 element._madePositioned = undefined; |
|
1978 element.style.position = |
|
1979 element.style.top = |
|
1980 element.style.left = |
|
1981 element.style.bottom = |
|
1982 element.style.right = ''; |
|
1983 } |
|
1984 return element; |
|
1985 }, |
|
1986 |
|
1987 makeClipping: function(element) { |
|
1988 element = $(element); |
|
1989 if (element._overflow) return element; |
|
1990 element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
|
1991 if (element._overflow !== 'hidden') |
|
1992 element.style.overflow = 'hidden'; |
|
1993 return element; |
|
1994 }, |
|
1995 |
|
1996 undoClipping: function(element) { |
|
1997 element = $(element); |
|
1998 if (!element._overflow) return element; |
|
1999 element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; |
|
2000 element._overflow = null; |
|
2001 return element; |
|
2002 }, |
|
2003 |
|
2004 cumulativeOffset: function(element) { |
|
2005 var valueT = 0, valueL = 0; |
|
2006 do { |
|
2007 valueT += element.offsetTop || 0; |
|
2008 valueL += element.offsetLeft || 0; |
|
2009 element = element.offsetParent; |
|
2010 } while (element); |
|
2011 return Element._returnOffset(valueL, valueT); |
|
2012 }, |
|
2013 |
|
2014 positionedOffset: function(element) { |
|
2015 var valueT = 0, valueL = 0; |
|
2016 do { |
|
2017 valueT += element.offsetTop || 0; |
|
2018 valueL += element.offsetLeft || 0; |
|
2019 element = element.offsetParent; |
|
2020 if (element) { |
|
2021 if (element.tagName == 'BODY') break; |
|
2022 var p = Element.getStyle(element, 'position'); |
|
2023 if (p !== 'static') break; |
|
2024 } |
|
2025 } while (element); |
|
2026 return Element._returnOffset(valueL, valueT); |
|
2027 }, |
|
2028 |
|
2029 absolutize: function(element) { |
|
2030 element = $(element); |
|
2031 if (element.getStyle('position') == 'absolute') return; |
|
2032 // Position.prepare(); // To be done manually by Scripty when it needs it. |
|
2033 |
|
2034 var offsets = element.positionedOffset(); |
|
2035 var top = offsets[1]; |
|
2036 var left = offsets[0]; |
|
2037 var width = element.clientWidth; |
|
2038 var height = element.clientHeight; |
|
2039 |
|
2040 element._originalLeft = left - parseFloat(element.style.left || 0); |
|
2041 element._originalTop = top - parseFloat(element.style.top || 0); |
|
2042 element._originalWidth = element.style.width; |
|
2043 element._originalHeight = element.style.height; |
|
2044 |
|
2045 element.style.position = 'absolute'; |
|
2046 element.style.top = top + 'px'; |
|
2047 element.style.left = left + 'px'; |
|
2048 element.style.width = width + 'px'; |
|
2049 element.style.height = height + 'px'; |
|
2050 return element; |
|
2051 }, |
|
2052 |
|
2053 relativize: function(element) { |
|
2054 element = $(element); |
|
2055 if (element.getStyle('position') == 'relative') return; |
|
2056 // Position.prepare(); // To be done manually by Scripty when it needs it. |
|
2057 |
|
2058 element.style.position = 'relative'; |
|
2059 var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); |
|
2060 var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); |
|
2061 |
|
2062 element.style.top = top + 'px'; |
|
2063 element.style.left = left + 'px'; |
|
2064 element.style.height = element._originalHeight; |
|
2065 element.style.width = element._originalWidth; |
|
2066 return element; |
|
2067 }, |
|
2068 |
|
2069 cumulativeScrollOffset: function(element) { |
|
2070 var valueT = 0, valueL = 0; |
|
2071 do { |
|
2072 valueT += element.scrollTop || 0; |
|
2073 valueL += element.scrollLeft || 0; |
|
2074 element = element.parentNode; |
|
2075 } while (element); |
|
2076 return Element._returnOffset(valueL, valueT); |
|
2077 }, |
|
2078 |
|
2079 getOffsetParent: function(element) { |
|
2080 if (element.offsetParent) return $(element.offsetParent); |
|
2081 if (element == document.body) return $(element); |
|
2082 |
|
2083 while ((element = element.parentNode) && element != document.body) |
|
2084 if (Element.getStyle(element, 'position') != 'static') |
|
2085 return $(element); |
|
2086 |
|
2087 return $(document.body); |
|
2088 }, |
|
2089 |
|
2090 viewportOffset: function(forElement) { |
|
2091 var valueT = 0, valueL = 0; |
|
2092 |
|
2093 var element = forElement; |
|
2094 do { |
|
2095 valueT += element.offsetTop || 0; |
|
2096 valueL += element.offsetLeft || 0; |
|
2097 |
|
2098 // Safari fix |
|
2099 if (element.offsetParent == document.body && |
|
2100 Element.getStyle(element, 'position') == 'absolute') break; |
|
2101 |
|
2102 } while (element = element.offsetParent); |
|
2103 |
|
2104 element = forElement; |
|
2105 do { |
|
2106 if (!Prototype.Browser.Opera || element.tagName == 'BODY') { |
|
2107 valueT -= element.scrollTop || 0; |
|
2108 valueL -= element.scrollLeft || 0; |
|
2109 } |
|
2110 } while (element = element.parentNode); |
|
2111 |
|
2112 return Element._returnOffset(valueL, valueT); |
|
2113 }, |
|
2114 |
|
2115 clonePosition: function(element, source) { |
|
2116 var options = Object.extend({ |
|
2117 setLeft: true, |
|
2118 setTop: true, |
|
2119 setWidth: true, |
|
2120 setHeight: true, |
|
2121 offsetTop: 0, |
|
2122 offsetLeft: 0 |
|
2123 }, arguments[2] || { }); |
|
2124 |
|
2125 // find page position of source |
|
2126 source = $(source); |
|
2127 var p = source.viewportOffset(); |
|
2128 |
|
2129 // find coordinate system to use |
|
2130 element = $(element); |
|
2131 var delta = [0, 0]; |
|
2132 var parent = null; |
|
2133 // delta [0,0] will do fine with position: fixed elements, |
|
2134 // position:absolute needs offsetParent deltas |
|
2135 if (Element.getStyle(element, 'position') == 'absolute') { |
|
2136 parent = element.getOffsetParent(); |
|
2137 delta = parent.viewportOffset(); |
|
2138 } |
|
2139 |
|
2140 // correct by body offsets (fixes Safari) |
|
2141 if (parent == document.body) { |
|
2142 delta[0] -= document.body.offsetLeft; |
|
2143 delta[1] -= document.body.offsetTop; |
|
2144 } |
|
2145 |
|
2146 // set position |
|
2147 if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; |
|
2148 if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; |
|
2149 if (options.setWidth) element.style.width = source.offsetWidth + 'px'; |
|
2150 if (options.setHeight) element.style.height = source.offsetHeight + 'px'; |
|
2151 return element; |
|
2152 } |
|
2153 }; |
|
2154 |
|
2155 Element.Methods.identify.counter = 1; |
|
2156 |
|
2157 Object.extend(Element.Methods, { |
|
2158 getElementsBySelector: Element.Methods.select, |
|
2159 childElements: Element.Methods.immediateDescendants |
|
2160 }); |
|
2161 |
|
2162 Element._attributeTranslations = { |
|
2163 write: { |
|
2164 names: { |
|
2165 className: 'class', |
|
2166 htmlFor: 'for' |
|
2167 }, |
|
2168 values: { } |
|
2169 } |
|
2170 }; |
|
2171 |
|
2172 if (Prototype.Browser.Opera) { |
|
2173 Element.Methods.getStyle = Element.Methods.getStyle.wrap( |
|
2174 function(proceed, element, style) { |
|
2175 switch (style) { |
|
2176 case 'left': case 'top': case 'right': case 'bottom': |
|
2177 if (proceed(element, 'position') === 'static') return null; |
|
2178 case 'height': case 'width': |
|
2179 // returns '0px' for hidden elements; we want it to return null |
|
2180 if (!Element.visible(element)) return null; |
|
2181 |
|
2182 // returns the border-box dimensions rather than the content-box |
|
2183 // dimensions, so we subtract padding and borders from the value |
|
2184 var dim = parseInt(proceed(element, style), 10); |
|
2185 |
|
2186 if (dim !== element['offset' + style.capitalize()]) |
|
2187 return dim + 'px'; |
|
2188 |
|
2189 var properties; |
|
2190 if (style === 'height') { |
|
2191 properties = ['border-top-width', 'padding-top', |
|
2192 'padding-bottom', 'border-bottom-width']; |
|
2193 } |
|
2194 else { |
|
2195 properties = ['border-left-width', 'padding-left', |
|
2196 'padding-right', 'border-right-width']; |
|
2197 } |
|
2198 return properties.inject(dim, function(memo, property) { |
|
2199 var val = proceed(element, property); |
|
2200 return val === null ? memo : memo - parseInt(val, 10); |
|
2201 }) + 'px'; |
|
2202 default: return proceed(element, style); |
|
2203 } |
|
2204 } |
|
2205 ); |
|
2206 |
|
2207 Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( |
|
2208 function(proceed, element, attribute) { |
|
2209 if (attribute === 'title') return element.title; |
|
2210 return proceed(element, attribute); |
|
2211 } |
|
2212 ); |
|
2213 } |
|
2214 |
|
2215 else if (Prototype.Browser.IE) { |
|
2216 // IE doesn't report offsets correctly for static elements, so we change them |
|
2217 // to "relative" to get the values, then change them back. |
|
2218 Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap( |
|
2219 function(proceed, element) { |
|
2220 element = $(element); |
|
2221 var position = element.getStyle('position'); |
|
2222 if (position !== 'static') return proceed(element); |
|
2223 element.setStyle({ position: 'relative' }); |
|
2224 var value = proceed(element); |
|
2225 element.setStyle({ position: position }); |
|
2226 return value; |
|
2227 } |
|
2228 ); |
|
2229 |
|
2230 $w('positionedOffset viewportOffset').each(function(method) { |
|
2231 Element.Methods[method] = Element.Methods[method].wrap( |
|
2232 function(proceed, element) { |
|
2233 element = $(element); |
|
2234 var position = element.getStyle('position'); |
|
2235 if (position !== 'static') return proceed(element); |
|
2236 // Trigger hasLayout on the offset parent so that IE6 reports |
|
2237 // accurate offsetTop and offsetLeft values for position: fixed. |
|
2238 var offsetParent = element.getOffsetParent(); |
|
2239 if (offsetParent && offsetParent.getStyle('position') === 'fixed') |
|
2240 offsetParent.setStyle({ zoom: 1 }); |
|
2241 element.setStyle({ position: 'relative' }); |
|
2242 var value = proceed(element); |
|
2243 element.setStyle({ position: position }); |
|
2244 return value; |
|
2245 } |
|
2246 ); |
|
2247 }); |
|
2248 |
|
2249 Element.Methods.getStyle = function(element, style) { |
|
2250 element = $(element); |
|
2251 style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); |
|
2252 var value = element.style[style]; |
|
2253 if (!value && element.currentStyle) value = element.currentStyle[style]; |
|
2254 |
|
2255 if (style == 'opacity') { |
|
2256 if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) |
|
2257 if (value[1]) return parseFloat(value[1]) / 100; |
|
2258 return 1.0; |
|
2259 } |
|
2260 |
|
2261 if (value == 'auto') { |
|
2262 if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) |
|
2263 return element['offset' + style.capitalize()] + 'px'; |
|
2264 return null; |
|
2265 } |
|
2266 return value; |
|
2267 }; |
|
2268 |
|
2269 Element.Methods.setOpacity = function(element, value) { |
|
2270 function stripAlpha(filter){ |
|
2271 return filter.replace(/alpha\([^\)]*\)/gi,''); |
|
2272 } |
|
2273 element = $(element); |
|
2274 var currentStyle = element.currentStyle; |
|
2275 if ((currentStyle && !currentStyle.hasLayout) || |
|
2276 (!currentStyle && element.style.zoom == 'normal')) |
|
2277 element.style.zoom = 1; |
|
2278 |
|
2279 var filter = element.getStyle('filter'), style = element.style; |
|
2280 if (value == 1 || value === '') { |
|
2281 (filter = stripAlpha(filter)) ? |
|
2282 style.filter = filter : style.removeAttribute('filter'); |
|
2283 return element; |
|
2284 } else if (value < 0.00001) value = 0; |
|
2285 style.filter = stripAlpha(filter) + |
|
2286 'alpha(opacity=' + (value * 100) + ')'; |
|
2287 return element; |
|
2288 }; |
|
2289 |
|
2290 Element._attributeTranslations = { |
|
2291 read: { |
|
2292 names: { |
|
2293 'class': 'className', |
|
2294 'for': 'htmlFor' |
|
2295 }, |
|
2296 values: { |
|
2297 _getAttr: function(element, attribute) { |
|
2298 return element.getAttribute(attribute, 2); |
|
2299 }, |
|
2300 _getAttrNode: function(element, attribute) { |
|
2301 var node = element.getAttributeNode(attribute); |
|
2302 return node ? node.value : ""; |
|
2303 }, |
|
2304 _getEv: function(element, attribute) { |
|
2305 attribute = element.getAttribute(attribute); |
|
2306 return attribute ? attribute.toString().slice(23, -2) : null; |
|
2307 }, |
|
2308 _flag: function(element, attribute) { |
|
2309 return $(element).hasAttribute(attribute) ? attribute : null; |
|
2310 }, |
|
2311 style: function(element) { |
|
2312 return element.style.cssText.toLowerCase(); |
|
2313 }, |
|
2314 title: function(element) { |
|
2315 return element.title; |
|
2316 } |
|
2317 } |
|
2318 } |
|
2319 }; |
|
2320 |
|
2321 Element._attributeTranslations.write = { |
|
2322 names: Object.extend({ |
|
2323 cellpadding: 'cellPadding', |
|
2324 cellspacing: 'cellSpacing' |
|
2325 }, Element._attributeTranslations.read.names), |
|
2326 values: { |
|
2327 checked: function(element, value) { |
|
2328 element.checked = !!value; |
|
2329 }, |
|
2330 |
|
2331 style: function(element, value) { |
|
2332 element.style.cssText = value ? value : ''; |
|
2333 } |
|
2334 } |
|
2335 }; |
|
2336 |
|
2337 Element._attributeTranslations.has = {}; |
|
2338 |
|
2339 $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + |
|
2340 'encType maxLength readOnly longDesc').each(function(attr) { |
|
2341 Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; |
|
2342 Element._attributeTranslations.has[attr.toLowerCase()] = attr; |
|
2343 }); |
|
2344 |
|
2345 (function(v) { |
|
2346 Object.extend(v, { |
|
2347 href: v._getAttr, |
|
2348 src: v._getAttr, |
|
2349 type: v._getAttr, |
|
2350 action: v._getAttrNode, |
|
2351 disabled: v._flag, |
|
2352 checked: v._flag, |
|
2353 readonly: v._flag, |
|
2354 multiple: v._flag, |
|
2355 onload: v._getEv, |
|
2356 onunload: v._getEv, |
|
2357 onclick: v._getEv, |
|
2358 ondblclick: v._getEv, |
|
2359 onmousedown: v._getEv, |
|
2360 onmouseup: v._getEv, |
|
2361 onmouseover: v._getEv, |
|
2362 onmousemove: v._getEv, |
|
2363 onmouseout: v._getEv, |
|
2364 onfocus: v._getEv, |
|
2365 onblur: v._getEv, |
|
2366 onkeypress: v._getEv, |
|
2367 onkeydown: v._getEv, |
|
2368 onkeyup: v._getEv, |
|
2369 onsubmit: v._getEv, |
|
2370 onreset: v._getEv, |
|
2371 onselect: v._getEv, |
|
2372 onchange: v._getEv |
|
2373 }); |
|
2374 })(Element._attributeTranslations.read.values); |
|
2375 } |
|
2376 |
|
2377 else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { |
|
2378 Element.Methods.setOpacity = function(element, value) { |
|
2379 element = $(element); |
|
2380 element.style.opacity = (value == 1) ? 0.999999 : |
|
2381 (value === '') ? '' : (value < 0.00001) ? 0 : value; |
|
2382 return element; |
|
2383 }; |
|
2384 } |
|
2385 |
|
2386 else if (Prototype.Browser.WebKit) { |
|
2387 Element.Methods.setOpacity = function(element, value) { |
|
2388 element = $(element); |
|
2389 element.style.opacity = (value == 1 || value === '') ? '' : |
|
2390 (value < 0.00001) ? 0 : value; |
|
2391 |
|
2392 if (value == 1) |
|
2393 if(element.tagName == 'IMG' && element.width) { |
|
2394 element.width++; element.width--; |
|
2395 } else try { |
|
2396 var n = document.createTextNode(' '); |
|
2397 element.appendChild(n); |
|
2398 element.removeChild(n); |
|
2399 } catch (e) { } |
|
2400 |
|
2401 return element; |
|
2402 }; |
|
2403 |
|
2404 // Safari returns margins on body which is incorrect if the child is absolutely |
|
2405 // positioned. For performance reasons, redefine Element#cumulativeOffset for |
|
2406 // KHTML/WebKit only. |
|
2407 Element.Methods.cumulativeOffset = function(element) { |
|
2408 var valueT = 0, valueL = 0; |
|
2409 do { |
|
2410 valueT += element.offsetTop || 0; |
|
2411 valueL += element.offsetLeft || 0; |
|
2412 if (element.offsetParent == document.body) |
|
2413 if (Element.getStyle(element, 'position') == 'absolute') break; |
|
2414 |
|
2415 element = element.offsetParent; |
|
2416 } while (element); |
|
2417 |
|
2418 return Element._returnOffset(valueL, valueT); |
|
2419 }; |
|
2420 } |
|
2421 |
|
2422 if (Prototype.Browser.IE || Prototype.Browser.Opera) { |
|
2423 // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements |
|
2424 Element.Methods.update = function(element, content) { |
|
2425 element = $(element); |
|
2426 |
|
2427 if (content && content.toElement) content = content.toElement(); |
|
2428 if (Object.isElement(content)) return element.update().insert(content); |
|
2429 |
|
2430 content = Object.toHTML(content); |
|
2431 var tagName = element.tagName.toUpperCase(); |
|
2432 |
|
2433 if (tagName in Element._insertionTranslations.tags) { |
|
2434 $A(element.childNodes).each(function(node) { element.removeChild(node) }); |
|
2435 Element._getContentFromAnonymousElement(tagName, content.stripScripts()) |
|
2436 .each(function(node) { element.appendChild(node) }); |
|
2437 } |
|
2438 else element.innerHTML = content.stripScripts(); |
|
2439 |
|
2440 content.evalScripts.bind(content).defer(); |
|
2441 return element; |
|
2442 }; |
|
2443 } |
|
2444 |
|
2445 if ('outerHTML' in document.createElement('div')) { |
|
2446 Element.Methods.replace = function(element, content) { |
|
2447 element = $(element); |
|
2448 |
|
2449 if (content && content.toElement) content = content.toElement(); |
|
2450 if (Object.isElement(content)) { |
|
2451 element.parentNode.replaceChild(content, element); |
|
2452 return element; |
|
2453 } |
|
2454 |
|
2455 content = Object.toHTML(content); |
|
2456 var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); |
|
2457 |
|
2458 if (Element._insertionTranslations.tags[tagName]) { |
|
2459 var nextSibling = element.next(); |
|
2460 var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); |
|
2461 parent.removeChild(element); |
|
2462 if (nextSibling) |
|
2463 fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); |
|
2464 else |
|
2465 fragments.each(function(node) { parent.appendChild(node) }); |
|
2466 } |
|
2467 else element.outerHTML = content.stripScripts(); |
|
2468 |
|
2469 content.evalScripts.bind(content).defer(); |
|
2470 return element; |
|
2471 }; |
|
2472 } |
|
2473 |
|
2474 Element._returnOffset = function(l, t) { |
|
2475 var result = [l, t]; |
|
2476 result.left = l; |
|
2477 result.top = t; |
|
2478 return result; |
|
2479 }; |
|
2480 |
|
2481 Element._getContentFromAnonymousElement = function(tagName, html) { |
|
2482 var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; |
|
2483 if (t) { |
|
2484 div.innerHTML = t[0] + html + t[1]; |
|
2485 t[2].times(function() { div = div.firstChild }); |
|
2486 } else div.innerHTML = html; |
|
2487 return $A(div.childNodes); |
|
2488 }; |
|
2489 |
|
2490 Element._insertionTranslations = { |
|
2491 before: function(element, node) { |
|
2492 element.parentNode.insertBefore(node, element); |
|
2493 }, |
|
2494 top: function(element, node) { |
|
2495 element.insertBefore(node, element.firstChild); |
|
2496 }, |
|
2497 bottom: function(element, node) { |
|
2498 element.appendChild(node); |
|
2499 }, |
|
2500 after: function(element, node) { |
|
2501 element.parentNode.insertBefore(node, element.nextSibling); |
|
2502 }, |
|
2503 tags: { |
|
2504 TABLE: ['<table>', '</table>', 1], |
|
2505 TBODY: ['<table><tbody>', '</tbody></table>', 2], |
|
2506 TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], |
|
2507 TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], |
|
2508 SELECT: ['<select>', '</select>', 1] |
|
2509 } |
|
2510 }; |
|
2511 |
|
2512 (function() { |
|
2513 Object.extend(this.tags, { |
|
2514 THEAD: this.tags.TBODY, |
|
2515 TFOOT: this.tags.TBODY, |
|
2516 TH: this.tags.TD |
|
2517 }); |
|
2518 }).call(Element._insertionTranslations); |
|
2519 |
|
2520 Element.Methods.Simulated = { |
|
2521 hasAttribute: function(element, attribute) { |
|
2522 attribute = Element._attributeTranslations.has[attribute] || attribute; |
|
2523 var node = $(element).getAttributeNode(attribute); |
|
2524 return node && node.specified; |
|
2525 } |
|
2526 }; |
|
2527 |
|
2528 Element.Methods.ByTag = { }; |
|
2529 |
|
2530 Object.extend(Element, Element.Methods); |
|
2531 |
|
2532 if (!Prototype.BrowserFeatures.ElementExtensions && |
|
2533 document.createElement('div').__proto__) { |
|
2534 window.HTMLElement = { }; |
|
2535 window.HTMLElement.prototype = document.createElement('div').__proto__; |
|
2536 Prototype.BrowserFeatures.ElementExtensions = true; |
|
2537 } |
|
2538 |
|
2539 Element.extend = (function() { |
|
2540 if (Prototype.BrowserFeatures.SpecificElementExtensions) |
|
2541 return Prototype.K; |
|
2542 |
|
2543 var Methods = { }, ByTag = Element.Methods.ByTag; |
|
2544 |
|
2545 var extend = Object.extend(function(element) { |
|
2546 if (!element || element._extendedByPrototype || |
|
2547 element.nodeType != 1 || element == window) return element; |
|
2548 |
|
2549 var methods = Object.clone(Methods), |
|
2550 tagName = element.tagName, property, value; |
|
2551 |
|
2552 // extend methods for specific tags |
|
2553 if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); |
|
2554 |
|
2555 for (property in methods) { |
|
2556 value = methods[property]; |
|
2557 if (Object.isFunction(value) && !(property in element)) |
|
2558 element[property] = value.methodize(); |
|
2559 } |
|
2560 |
|
2561 element._extendedByPrototype = Prototype.emptyFunction; |
|
2562 return element; |
|
2563 |
|
2564 }, { |
|
2565 refresh: function() { |
|
2566 // extend methods for all tags (Safari doesn't need this) |
|
2567 if (!Prototype.BrowserFeatures.ElementExtensions) { |
|
2568 Object.extend(Methods, Element.Methods); |
|
2569 Object.extend(Methods, Element.Methods.Simulated); |
|
2570 } |
|
2571 } |
|
2572 }); |
|
2573 |
|
2574 extend.refresh(); |
|
2575 return extend; |
|
2576 })(); |
|
2577 |
|
2578 Element.hasAttribute = function(element, attribute) { |
|
2579 if (element.hasAttribute) return element.hasAttribute(attribute); |
|
2580 return Element.Methods.Simulated.hasAttribute(element, attribute); |
|
2581 }; |
|
2582 |
|
2583 Element.addMethods = function(methods) { |
|
2584 var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; |
|
2585 |
|
2586 if (!methods) { |
|
2587 Object.extend(Form, Form.Methods); |
|
2588 Object.extend(Form.Element, Form.Element.Methods); |
|
2589 Object.extend(Element.Methods.ByTag, { |
|
2590 "FORM": Object.clone(Form.Methods), |
|
2591 "INPUT": Object.clone(Form.Element.Methods), |
|
2592 "SELECT": Object.clone(Form.Element.Methods), |
|
2593 "TEXTAREA": Object.clone(Form.Element.Methods) |
|
2594 }); |
|
2595 } |
|
2596 |
|
2597 if (arguments.length == 2) { |
|
2598 var tagName = methods; |
|
2599 methods = arguments[1]; |
|
2600 } |
|
2601 |
|
2602 if (!tagName) Object.extend(Element.Methods, methods || { }); |
|
2603 else { |
|
2604 if (Object.isArray(tagName)) tagName.each(extend); |
|
2605 else extend(tagName); |
|
2606 } |
|
2607 |
|
2608 function extend(tagName) { |
|
2609 tagName = tagName.toUpperCase(); |
|
2610 if (!Element.Methods.ByTag[tagName]) |
|
2611 Element.Methods.ByTag[tagName] = { }; |
|
2612 Object.extend(Element.Methods.ByTag[tagName], methods); |
|
2613 } |
|
2614 |
|
2615 function copy(methods, destination, onlyIfAbsent) { |
|
2616 onlyIfAbsent = onlyIfAbsent || false; |
|
2617 for (var property in methods) { |
|
2618 var value = methods[property]; |
|
2619 if (!Object.isFunction(value)) continue; |
|
2620 if (!onlyIfAbsent || !(property in destination)) |
|
2621 destination[property] = value.methodize(); |
|
2622 } |
|
2623 } |
|
2624 |
|
2625 function findDOMClass(tagName) { |
|
2626 var klass; |
|
2627 var trans = { |
|
2628 "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", |
|
2629 "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", |
|
2630 "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", |
|
2631 "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", |
|
2632 "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": |
|
2633 "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": |
|
2634 "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": |
|
2635 "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": |
|
2636 "FrameSet", "IFRAME": "IFrame" |
|
2637 }; |
|
2638 if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; |
|
2639 if (window[klass]) return window[klass]; |
|
2640 klass = 'HTML' + tagName + 'Element'; |
|
2641 if (window[klass]) return window[klass]; |
|
2642 klass = 'HTML' + tagName.capitalize() + 'Element'; |
|
2643 if (window[klass]) return window[klass]; |
|
2644 |
|
2645 window[klass] = { }; |
|
2646 window[klass].prototype = document.createElement(tagName).__proto__; |
|
2647 return window[klass]; |
|
2648 } |
|
2649 |
|
2650 if (F.ElementExtensions) { |
|
2651 copy(Element.Methods, HTMLElement.prototype); |
|
2652 copy(Element.Methods.Simulated, HTMLElement.prototype, true); |
|
2653 } |
|
2654 |
|
2655 if (F.SpecificElementExtensions) { |
|
2656 for (var tag in Element.Methods.ByTag) { |
|
2657 var klass = findDOMClass(tag); |
|
2658 if (Object.isUndefined(klass)) continue; |
|
2659 copy(T[tag], klass.prototype); |
|
2660 } |
|
2661 } |
|
2662 |
|
2663 Object.extend(Element, Element.Methods); |
|
2664 delete Element.ByTag; |
|
2665 |
|
2666 if (Element.extend.refresh) Element.extend.refresh(); |
|
2667 Element.cache = { }; |
|
2668 }; |
|
2669 |
|
2670 document.viewport = { |
|
2671 getDimensions: function() { |
|
2672 var dimensions = { }; |
|
2673 var B = Prototype.Browser; |
|
2674 $w('width height').each(function(d) { |
|
2675 var D = d.capitalize(); |
|
2676 dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] : |
|
2677 (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D]; |
|
2678 }); |
|
2679 return dimensions; |
|
2680 }, |
|
2681 |
|
2682 getWidth: function() { |
|
2683 return this.getDimensions().width; |
|
2684 }, |
|
2685 |
|
2686 getHeight: function() { |
|
2687 return this.getDimensions().height; |
|
2688 }, |
|
2689 |
|
2690 getScrollOffsets: function() { |
|
2691 return Element._returnOffset( |
|
2692 window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, |
|
2693 window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); |
|
2694 } |
|
2695 }; |
|
2696 /* Portions of the Selector class are derived from Jack Slocum’s DomQuery, |
|
2697 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style |
|
2698 * license. Please see http://www.yui-ext.com/ for more information. */ |
|
2699 |
|
2700 var Selector = Class.create({ |
|
2701 initialize: function(expression) { |
|
2702 this.expression = expression.strip(); |
|
2703 this.compileMatcher(); |
|
2704 }, |
|
2705 |
|
2706 shouldUseXPath: function() { |
|
2707 if (!Prototype.BrowserFeatures.XPath) return false; |
|
2708 |
|
2709 var e = this.expression; |
|
2710 |
|
2711 // Safari 3 chokes on :*-of-type and :empty |
|
2712 if (Prototype.Browser.WebKit && |
|
2713 (e.include("-of-type") || e.include(":empty"))) |
|
2714 return false; |
|
2715 |
|
2716 // XPath can't do namespaced attributes, nor can it read |
|
2717 // the "checked" property from DOM nodes |
|
2718 if ((/(\[[\w-]*?:|:checked)/).test(this.expression)) |
|
2719 return false; |
|
2720 |
|
2721 return true; |
|
2722 }, |
|
2723 |
|
2724 compileMatcher: function() { |
|
2725 if (this.shouldUseXPath()) |
|
2726 return this.compileXPathMatcher(); |
|
2727 |
|
2728 var e = this.expression, ps = Selector.patterns, h = Selector.handlers, |
|
2729 c = Selector.criteria, le, p, m; |
|
2730 |
|
2731 if (Selector._cache[e]) { |
|
2732 this.matcher = Selector._cache[e]; |
|
2733 return; |
|
2734 } |
|
2735 |
|
2736 this.matcher = ["this.matcher = function(root) {", |
|
2737 "var r = root, h = Selector.handlers, c = false, n;"]; |
|
2738 |
|
2739 while (e && le != e && (/\S/).test(e)) { |
|
2740 le = e; |
|
2741 for (var i in ps) { |
|
2742 p = ps[i]; |
|
2743 if (m = e.match(p)) { |
|
2744 this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : |
|
2745 new Template(c[i]).evaluate(m)); |
|
2746 e = e.replace(m[0], ''); |
|
2747 break; |
|
2748 } |
|
2749 } |
|
2750 } |
|
2751 |
|
2752 this.matcher.push("return h.unique(n);\n}"); |
|
2753 eval(this.matcher.join('\n')); |
|
2754 Selector._cache[this.expression] = this.matcher; |
|
2755 }, |
|
2756 |
|
2757 compileXPathMatcher: function() { |
|
2758 var e = this.expression, ps = Selector.patterns, |
|
2759 x = Selector.xpath, le, m; |
|
2760 |
|
2761 if (Selector._cache[e]) { |
|
2762 this.xpath = Selector._cache[e]; return; |
|
2763 } |
|
2764 |
|
2765 this.matcher = ['.//*']; |
|
2766 while (e && le != e && (/\S/).test(e)) { |
|
2767 le = e; |
|
2768 for (var i in ps) { |
|
2769 if (m = e.match(ps[i])) { |
|
2770 this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : |
|
2771 new Template(x[i]).evaluate(m)); |
|
2772 e = e.replace(m[0], ''); |
|
2773 break; |
|
2774 } |
|
2775 } |
|
2776 } |
|
2777 |
|
2778 this.xpath = this.matcher.join(''); |
|
2779 Selector._cache[this.expression] = this.xpath; |
|
2780 }, |
|
2781 |
|
2782 findElements: function(root) { |
|
2783 root = root || document; |
|
2784 if (this.xpath) return document._getElementsByXPath(this.xpath, root); |
|
2785 return this.matcher(root); |
|
2786 }, |
|
2787 |
|
2788 match: function(element) { |
|
2789 this.tokens = []; |
|
2790 |
|
2791 var e = this.expression, ps = Selector.patterns, as = Selector.assertions; |
|
2792 var le, p, m; |
|
2793 |
|
2794 while (e && le !== e && (/\S/).test(e)) { |
|
2795 le = e; |
|
2796 for (var i in ps) { |
|
2797 p = ps[i]; |
|
2798 if (m = e.match(p)) { |
|
2799 // use the Selector.assertions methods unless the selector |
|
2800 // is too complex. |
|
2801 if (as[i]) { |
|
2802 this.tokens.push([i, Object.clone(m)]); |
|
2803 e = e.replace(m[0], ''); |
|
2804 } else { |
|
2805 // reluctantly do a document-wide search |
|
2806 // and look for a match in the array |
|
2807 return this.findElements(document).include(element); |
|
2808 } |
|
2809 } |
|
2810 } |
|
2811 } |
|
2812 |
|
2813 var match = true, name, matches; |
|
2814 for (var i = 0, token; token = this.tokens[i]; i++) { |
|
2815 name = token[0], matches = token[1]; |
|
2816 if (!Selector.assertions[name](element, matches)) { |
|
2817 match = false; break; |
|
2818 } |
|
2819 } |
|
2820 |
|
2821 return match; |
|
2822 }, |
|
2823 |
|
2824 toString: function() { |
|
2825 return this.expression; |
|
2826 }, |
|
2827 |
|
2828 inspect: function() { |
|
2829 return "#<Selector:" + this.expression.inspect() + ">"; |
|
2830 } |
|
2831 }); |
|
2832 |
|
2833 Object.extend(Selector, { |
|
2834 _cache: { }, |
|
2835 |
|
2836 xpath: { |
|
2837 descendant: "//*", |
|
2838 child: "/*", |
|
2839 adjacent: "/following-sibling::*[1]", |
|
2840 laterSibling: '/following-sibling::*', |
|
2841 tagName: function(m) { |
|
2842 if (m[1] == '*') return ''; |
|
2843 return "[local-name()='" + m[1].toLowerCase() + |
|
2844 "' or local-name()='" + m[1].toUpperCase() + "']"; |
|
2845 }, |
|
2846 className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", |
|
2847 id: "[@id='#{1}']", |
|
2848 attrPresence: function(m) { |
|
2849 m[1] = m[1].toLowerCase(); |
|
2850 return new Template("[@#{1}]").evaluate(m); |
|
2851 }, |
|
2852 attr: function(m) { |
|
2853 m[1] = m[1].toLowerCase(); |
|
2854 m[3] = m[5] || m[6]; |
|
2855 return new Template(Selector.xpath.operators[m[2]]).evaluate(m); |
|
2856 }, |
|
2857 pseudo: function(m) { |
|
2858 var h = Selector.xpath.pseudos[m[1]]; |
|
2859 if (!h) return ''; |
|
2860 if (Object.isFunction(h)) return h(m); |
|
2861 return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); |
|
2862 }, |
|
2863 operators: { |
|
2864 '=': "[@#{1}='#{3}']", |
|
2865 '!=': "[@#{1}!='#{3}']", |
|
2866 '^=': "[starts-with(@#{1}, '#{3}')]", |
|
2867 '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", |
|
2868 '*=': "[contains(@#{1}, '#{3}')]", |
|
2869 '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", |
|
2870 '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" |
|
2871 }, |
|
2872 pseudos: { |
|
2873 'first-child': '[not(preceding-sibling::*)]', |
|
2874 'last-child': '[not(following-sibling::*)]', |
|
2875 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', |
|
2876 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", |
|
2877 'checked': "[@checked]", |
|
2878 'disabled': "[@disabled]", |
|
2879 'enabled': "[not(@disabled)]", |
|
2880 'not': function(m) { |
|
2881 var e = m[6], p = Selector.patterns, |
|
2882 x = Selector.xpath, le, v; |
|
2883 |
|
2884 var exclusion = []; |
|
2885 while (e && le != e && (/\S/).test(e)) { |
|
2886 le = e; |
|
2887 for (var i in p) { |
|
2888 if (m = e.match(p[i])) { |
|
2889 v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); |
|
2890 exclusion.push("(" + v.substring(1, v.length - 1) + ")"); |
|
2891 e = e.replace(m[0], ''); |
|
2892 break; |
|
2893 } |
|
2894 } |
|
2895 } |
|
2896 return "[not(" + exclusion.join(" and ") + ")]"; |
|
2897 }, |
|
2898 'nth-child': function(m) { |
|
2899 return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); |
|
2900 }, |
|
2901 'nth-last-child': function(m) { |
|
2902 return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); |
|
2903 }, |
|
2904 'nth-of-type': function(m) { |
|
2905 return Selector.xpath.pseudos.nth("position() ", m); |
|
2906 }, |
|
2907 'nth-last-of-type': function(m) { |
|
2908 return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); |
|
2909 }, |
|
2910 'first-of-type': function(m) { |
|
2911 m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); |
|
2912 }, |
|
2913 'last-of-type': function(m) { |
|
2914 m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); |
|
2915 }, |
|
2916 'only-of-type': function(m) { |
|
2917 var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); |
|
2918 }, |
|
2919 nth: function(fragment, m) { |
|
2920 var mm, formula = m[6], predicate; |
|
2921 if (formula == 'even') formula = '2n+0'; |
|
2922 if (formula == 'odd') formula = '2n+1'; |
|
2923 if (mm = formula.match(/^(\d+)$/)) // digit only |
|
2924 return '[' + fragment + "= " + mm[1] + ']'; |
|
2925 if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
|
2926 if (mm[1] == "-") mm[1] = -1; |
|
2927 var a = mm[1] ? Number(mm[1]) : 1; |
|
2928 var b = mm[2] ? Number(mm[2]) : 0; |
|
2929 predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + |
|
2930 "((#{fragment} - #{b}) div #{a} >= 0)]"; |
|
2931 return new Template(predicate).evaluate({ |
|
2932 fragment: fragment, a: a, b: b }); |
|
2933 } |
|
2934 } |
|
2935 } |
|
2936 }, |
|
2937 |
|
2938 criteria: { |
|
2939 tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', |
|
2940 className: 'n = h.className(n, r, "#{1}", c); c = false;', |
|
2941 id: 'n = h.id(n, r, "#{1}", c); c = false;', |
|
2942 attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;', |
|
2943 attr: function(m) { |
|
2944 m[3] = (m[5] || m[6]); |
|
2945 return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m); |
|
2946 }, |
|
2947 pseudo: function(m) { |
|
2948 if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); |
|
2949 return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); |
|
2950 }, |
|
2951 descendant: 'c = "descendant";', |
|
2952 child: 'c = "child";', |
|
2953 adjacent: 'c = "adjacent";', |
|
2954 laterSibling: 'c = "laterSibling";' |
|
2955 }, |
|
2956 |
|
2957 patterns: { |
|
2958 // combinators must be listed first |
|
2959 // (and descendant needs to be last combinator) |
|
2960 laterSibling: /^\s*~\s*/, |
|
2961 child: /^\s*>\s*/, |
|
2962 adjacent: /^\s*\+\s*/, |
|
2963 descendant: /^\s/, |
|
2964 |
|
2965 // selectors follow |
|
2966 tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, |
|
2967 id: /^#([\w\-\*]+)(\b|$)/, |
|
2968 className: /^\.([\w\-\*]+)(\b|$)/, |
|
2969 pseudo: |
|
2970 /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, |
|
2971 attrPresence: /^\[([\w]+)\]/, |
|
2972 attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ |
|
2973 }, |
|
2974 |
|
2975 // for Selector.match and Element#match |
|
2976 assertions: { |
|
2977 tagName: function(element, matches) { |
|
2978 return matches[1].toUpperCase() == element.tagName.toUpperCase(); |
|
2979 }, |
|
2980 |
|
2981 className: function(element, matches) { |
|
2982 return Element.hasClassName(element, matches[1]); |
|
2983 }, |
|
2984 |
|
2985 id: function(element, matches) { |
|
2986 return element.id === matches[1]; |
|
2987 }, |
|
2988 |
|
2989 attrPresence: function(element, matches) { |
|
2990 return Element.hasAttribute(element, matches[1]); |
|
2991 }, |
|
2992 |
|
2993 attr: function(element, matches) { |
|
2994 var nodeValue = Element.readAttribute(element, matches[1]); |
|
2995 return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]); |
|
2996 } |
|
2997 }, |
|
2998 |
|
2999 handlers: { |
|
3000 // UTILITY FUNCTIONS |
|
3001 // joins two collections |
|
3002 concat: function(a, b) { |
|
3003 for (var i = 0, node; node = b[i]; i++) |
|
3004 a.push(node); |
|
3005 return a; |
|
3006 }, |
|
3007 |
|
3008 // marks an array of nodes for counting |
|
3009 mark: function(nodes) { |
|
3010 var _true = Prototype.emptyFunction; |
|
3011 for (var i = 0, node; node = nodes[i]; i++) |
|
3012 node._countedByPrototype = _true; |
|
3013 return nodes; |
|
3014 }, |
|
3015 |
|
3016 unmark: function(nodes) { |
|
3017 for (var i = 0, node; node = nodes[i]; i++) |
|
3018 node._countedByPrototype = undefined; |
|
3019 return nodes; |
|
3020 }, |
|
3021 |
|
3022 // mark each child node with its position (for nth calls) |
|
3023 // "ofType" flag indicates whether we're indexing for nth-of-type |
|
3024 // rather than nth-child |
|
3025 index: function(parentNode, reverse, ofType) { |
|
3026 parentNode._countedByPrototype = Prototype.emptyFunction; |
|
3027 if (reverse) { |
|
3028 for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { |
|
3029 var node = nodes[i]; |
|
3030 if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
|
3031 } |
|
3032 } else { |
|
3033 for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) |
|
3034 if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++; |
|
3035 } |
|
3036 }, |
|
3037 |
|
3038 // filters out duplicates and extends all nodes |
|
3039 unique: function(nodes) { |
|
3040 if (nodes.length == 0) return nodes; |
|
3041 var results = [], n; |
|
3042 for (var i = 0, l = nodes.length; i < l; i++) |
|
3043 if (!(n = nodes[i])._countedByPrototype) { |
|
3044 n._countedByPrototype = Prototype.emptyFunction; |
|
3045 results.push(Element.extend(n)); |
|
3046 } |
|
3047 return Selector.handlers.unmark(results); |
|
3048 }, |
|
3049 |
|
3050 // COMBINATOR FUNCTIONS |
|
3051 descendant: function(nodes) { |
|
3052 var h = Selector.handlers; |
|
3053 for (var i = 0, results = [], node; node = nodes[i]; i++) |
|
3054 h.concat(results, node.getElementsByTagName('*')); |
|
3055 return results; |
|
3056 }, |
|
3057 |
|
3058 child: function(nodes) { |
|
3059 var h = Selector.handlers; |
|
3060 for (var i = 0, results = [], node; node = nodes[i]; i++) { |
|
3061 for (var j = 0, child; child = node.childNodes[j]; j++) |
|
3062 if (child.nodeType == 1 && child.tagName != '!') results.push(child); |
|
3063 } |
|
3064 return results; |
|
3065 }, |
|
3066 |
|
3067 adjacent: function(nodes) { |
|
3068 for (var i = 0, results = [], node; node = nodes[i]; i++) { |
|
3069 var next = this.nextElementSibling(node); |
|
3070 if (next) results.push(next); |
|
3071 } |
|
3072 return results; |
|
3073 }, |
|
3074 |
|
3075 laterSibling: function(nodes) { |
|
3076 var h = Selector.handlers; |
|
3077 for (var i = 0, results = [], node; node = nodes[i]; i++) |
|
3078 h.concat(results, Element.nextSiblings(node)); |
|
3079 return results; |
|
3080 }, |
|
3081 |
|
3082 nextElementSibling: function(node) { |
|
3083 while (node = node.nextSibling) |
|
3084 if (node.nodeType == 1) return node; |
|
3085 return null; |
|
3086 }, |
|
3087 |
|
3088 previousElementSibling: function(node) { |
|
3089 while (node = node.previousSibling) |
|
3090 if (node.nodeType == 1) return node; |
|
3091 return null; |
|
3092 }, |
|
3093 |
|
3094 // TOKEN FUNCTIONS |
|
3095 tagName: function(nodes, root, tagName, combinator) { |
|
3096 var uTagName = tagName.toUpperCase(); |
|
3097 var results = [], h = Selector.handlers; |
|
3098 if (nodes) { |
|
3099 if (combinator) { |
|
3100 // fastlane for ordinary descendant combinators |
|
3101 if (combinator == "descendant") { |
|
3102 for (var i = 0, node; node = nodes[i]; i++) |
|
3103 h.concat(results, node.getElementsByTagName(tagName)); |
|
3104 return results; |
|
3105 } else nodes = this[combinator](nodes); |
|
3106 if (tagName == "*") return nodes; |
|
3107 } |
|
3108 for (var i = 0, node; node = nodes[i]; i++) |
|
3109 if (node.tagName.toUpperCase() === uTagName) results.push(node); |
|
3110 return results; |
|
3111 } else return root.getElementsByTagName(tagName); |
|
3112 }, |
|
3113 |
|
3114 id: function(nodes, root, id, combinator) { |
|
3115 var targetNode = $(id), h = Selector.handlers; |
|
3116 if (!targetNode) return []; |
|
3117 if (!nodes && root == document) return [targetNode]; |
|
3118 if (nodes) { |
|
3119 if (combinator) { |
|
3120 if (combinator == 'child') { |
|
3121 for (var i = 0, node; node = nodes[i]; i++) |
|
3122 if (targetNode.parentNode == node) return [targetNode]; |
|
3123 } else if (combinator == 'descendant') { |
|
3124 for (var i = 0, node; node = nodes[i]; i++) |
|
3125 if (Element.descendantOf(targetNode, node)) return [targetNode]; |
|
3126 } else if (combinator == 'adjacent') { |
|
3127 for (var i = 0, node; node = nodes[i]; i++) |
|
3128 if (Selector.handlers.previousElementSibling(targetNode) == node) |
|
3129 return [targetNode]; |
|
3130 } else nodes = h[combinator](nodes); |
|
3131 } |
|
3132 for (var i = 0, node; node = nodes[i]; i++) |
|
3133 if (node == targetNode) return [targetNode]; |
|
3134 return []; |
|
3135 } |
|
3136 return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; |
|
3137 }, |
|
3138 |
|
3139 className: function(nodes, root, className, combinator) { |
|
3140 if (nodes && combinator) nodes = this[combinator](nodes); |
|
3141 return Selector.handlers.byClassName(nodes, root, className); |
|
3142 }, |
|
3143 |
|
3144 byClassName: function(nodes, root, className) { |
|
3145 if (!nodes) nodes = Selector.handlers.descendant([root]); |
|
3146 var needle = ' ' + className + ' '; |
|
3147 for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { |
|
3148 nodeClassName = node.className; |
|
3149 if (nodeClassName.length == 0) continue; |
|
3150 if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) |
|
3151 results.push(node); |
|
3152 } |
|
3153 return results; |
|
3154 }, |
|
3155 |
|
3156 attrPresence: function(nodes, root, attr, combinator) { |
|
3157 if (!nodes) nodes = root.getElementsByTagName("*"); |
|
3158 if (nodes && combinator) nodes = this[combinator](nodes); |
|
3159 var results = []; |
|
3160 for (var i = 0, node; node = nodes[i]; i++) |
|
3161 if (Element.hasAttribute(node, attr)) results.push(node); |
|
3162 return results; |
|
3163 }, |
|
3164 |
|
3165 attr: function(nodes, root, attr, value, operator, combinator) { |
|
3166 if (!nodes) nodes = root.getElementsByTagName("*"); |
|
3167 if (nodes && combinator) nodes = this[combinator](nodes); |
|
3168 var handler = Selector.operators[operator], results = []; |
|
3169 for (var i = 0, node; node = nodes[i]; i++) { |
|
3170 var nodeValue = Element.readAttribute(node, attr); |
|
3171 if (nodeValue === null) continue; |
|
3172 if (handler(nodeValue, value)) results.push(node); |
|
3173 } |
|
3174 return results; |
|
3175 }, |
|
3176 |
|
3177 pseudo: function(nodes, name, value, root, combinator) { |
|
3178 if (nodes && combinator) nodes = this[combinator](nodes); |
|
3179 if (!nodes) nodes = root.getElementsByTagName("*"); |
|
3180 return Selector.pseudos[name](nodes, value, root); |
|
3181 } |
|
3182 }, |
|
3183 |
|
3184 pseudos: { |
|
3185 'first-child': function(nodes, value, root) { |
|
3186 for (var i = 0, results = [], node; node = nodes[i]; i++) { |
|
3187 if (Selector.handlers.previousElementSibling(node)) continue; |
|
3188 results.push(node); |
|
3189 } |
|
3190 return results; |
|
3191 }, |
|
3192 'last-child': function(nodes, value, root) { |
|
3193 for (var i = 0, results = [], node; node = nodes[i]; i++) { |
|
3194 if (Selector.handlers.nextElementSibling(node)) continue; |
|
3195 results.push(node); |
|
3196 } |
|
3197 return results; |
|
3198 }, |
|
3199 'only-child': function(nodes, value, root) { |
|
3200 var h = Selector.handlers; |
|
3201 for (var i = 0, results = [], node; node = nodes[i]; i++) |
|
3202 if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) |
|
3203 results.push(node); |
|
3204 return results; |
|
3205 }, |
|
3206 'nth-child': function(nodes, formula, root) { |
|
3207 return Selector.pseudos.nth(nodes, formula, root); |
|
3208 }, |
|
3209 'nth-last-child': function(nodes, formula, root) { |
|
3210 return Selector.pseudos.nth(nodes, formula, root, true); |
|
3211 }, |
|
3212 'nth-of-type': function(nodes, formula, root) { |
|
3213 return Selector.pseudos.nth(nodes, formula, root, false, true); |
|
3214 }, |
|
3215 'nth-last-of-type': function(nodes, formula, root) { |
|
3216 return Selector.pseudos.nth(nodes, formula, root, true, true); |
|
3217 }, |
|
3218 'first-of-type': function(nodes, formula, root) { |
|
3219 return Selector.pseudos.nth(nodes, "1", root, false, true); |
|
3220 }, |
|
3221 'last-of-type': function(nodes, formula, root) { |
|
3222 return Selector.pseudos.nth(nodes, "1", root, true, true); |
|
3223 }, |
|
3224 'only-of-type': function(nodes, formula, root) { |
|
3225 var p = Selector.pseudos; |
|
3226 return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); |
|
3227 }, |
|
3228 |
|
3229 // handles the an+b logic |
|
3230 getIndices: function(a, b, total) { |
|
3231 if (a == 0) return b > 0 ? [b] : []; |
|
3232 return $R(1, total).inject([], function(memo, i) { |
|
3233 if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); |
|
3234 return memo; |
|
3235 }); |
|
3236 }, |
|
3237 |
|
3238 // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type |
|
3239 nth: function(nodes, formula, root, reverse, ofType) { |
|
3240 if (nodes.length == 0) return []; |
|
3241 if (formula == 'even') formula = '2n+0'; |
|
3242 if (formula == 'odd') formula = '2n+1'; |
|
3243 var h = Selector.handlers, results = [], indexed = [], m; |
|
3244 h.mark(nodes); |
|
3245 for (var i = 0, node; node = nodes[i]; i++) { |
|
3246 if (!node.parentNode._countedByPrototype) { |
|
3247 h.index(node.parentNode, reverse, ofType); |
|
3248 indexed.push(node.parentNode); |
|
3249 } |
|
3250 } |
|
3251 if (formula.match(/^\d+$/)) { // just a number |
|
3252 formula = Number(formula); |
|
3253 for (var i = 0, node; node = nodes[i]; i++) |
|
3254 if (node.nodeIndex == formula) results.push(node); |
|
3255 } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b |
|
3256 if (m[1] == "-") m[1] = -1; |
|
3257 var a = m[1] ? Number(m[1]) : 1; |
|
3258 var b = m[2] ? Number(m[2]) : 0; |
|
3259 var indices = Selector.pseudos.getIndices(a, b, nodes.length); |
|
3260 for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { |
|
3261 for (var j = 0; j < l; j++) |
|
3262 if (node.nodeIndex == indices[j]) results.push(node); |
|
3263 } |
|
3264 } |
|
3265 h.unmark(nodes); |
|
3266 h.unmark(indexed); |
|
3267 return results; |
|
3268 }, |
|
3269 |
|
3270 'empty': function(nodes, value, root) { |
|
3271 for (var i = 0, results = [], node; node = nodes[i]; i++) { |
|
3272 // IE treats comments as element nodes |
|
3273 if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; |
|
3274 results.push(node); |
|
3275 } |
|
3276 return results; |
|
3277 }, |
|
3278 |
|
3279 'not': function(nodes, selector, root) { |
|
3280 var h = Selector.handlers, selectorType, m; |
|
3281 var exclusions = new Selector(selector).findElements(root); |
|
3282 h.mark(exclusions); |
|
3283 for (var i = 0, results = [], node; node = nodes[i]; i++) |
|
3284 if (!node._countedByPrototype) results.push(node); |
|
3285 h.unmark(exclusions); |
|
3286 return results; |
|
3287 }, |
|
3288 |
|
3289 'enabled': function(nodes, value, root) { |
|
3290 for (var i = 0, results = [], node; node = nodes[i]; i++) |
|
3291 if (!node.disabled) results.push(node); |
|
3292 return results; |
|
3293 }, |
|
3294 |
|
3295 'disabled': function(nodes, value, root) { |
|
3296 for (var i = 0, results = [], node; node = nodes[i]; i++) |
|
3297 if (node.disabled) results.push(node); |
|
3298 return results; |
|
3299 }, |
|
3300 |
|
3301 'checked': function(nodes, value, root) { |
|
3302 for (var i = 0, results = [], node; node = nodes[i]; i++) |
|
3303 if (node.checked) results.push(node); |
|
3304 return results; |
|
3305 } |
|
3306 }, |
|
3307 |
|
3308 operators: { |
|
3309 '=': function(nv, v) { return nv == v; }, |
|
3310 '!=': function(nv, v) { return nv != v; }, |
|
3311 '^=': function(nv, v) { return nv.startsWith(v); }, |
|
3312 '$=': function(nv, v) { return nv.endsWith(v); }, |
|
3313 '*=': function(nv, v) { return nv.include(v); }, |
|
3314 '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, |
|
3315 '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } |
|
3316 }, |
|
3317 |
|
3318 split: function(expression) { |
|
3319 var expressions = []; |
|
3320 expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { |
|
3321 expressions.push(m[1].strip()); |
|
3322 }); |
|
3323 return expressions; |
|
3324 }, |
|
3325 |
|
3326 matchElements: function(elements, expression) { |
|
3327 var matches = $$(expression), h = Selector.handlers; |
|
3328 h.mark(matches); |
|
3329 for (var i = 0, results = [], element; element = elements[i]; i++) |
|
3330 if (element._countedByPrototype) results.push(element); |
|
3331 h.unmark(matches); |
|
3332 return results; |
|
3333 }, |
|
3334 |
|
3335 findElement: function(elements, expression, index) { |
|
3336 if (Object.isNumber(expression)) { |
|
3337 index = expression; expression = false; |
|
3338 } |
|
3339 return Selector.matchElements(elements, expression || '*')[index || 0]; |
|
3340 }, |
|
3341 |
|
3342 findChildElements: function(element, expressions) { |
|
3343 expressions = Selector.split(expressions.join(',')); |
|
3344 var results = [], h = Selector.handlers; |
|
3345 for (var i = 0, l = expressions.length, selector; i < l; i++) { |
|
3346 selector = new Selector(expressions[i].strip()); |
|
3347 h.concat(results, selector.findElements(element)); |
|
3348 } |
|
3349 return (l > 1) ? h.unique(results) : results; |
|
3350 } |
|
3351 }); |
|
3352 |
|
3353 if (Prototype.Browser.IE) { |
|
3354 Object.extend(Selector.handlers, { |
|
3355 // IE returns comment nodes on getElementsByTagName("*"). |
|
3356 // Filter them out. |
|
3357 concat: function(a, b) { |
|
3358 for (var i = 0, node; node = b[i]; i++) |
|
3359 if (node.tagName !== "!") a.push(node); |
|
3360 return a; |
|
3361 }, |
|
3362 |
|
3363 // IE improperly serializes _countedByPrototype in (inner|outer)HTML. |
|
3364 unmark: function(nodes) { |
|
3365 for (var i = 0, node; node = nodes[i]; i++) |
|
3366 node.removeAttribute('_countedByPrototype'); |
|
3367 return nodes; |
|
3368 } |
|
3369 }); |
|
3370 } |
|
3371 |
|
3372 function $$() { |
|
3373 return Selector.findChildElements(document, $A(arguments)); |
|
3374 } |
|
3375 var Form = { |
|
3376 reset: function(form) { |
|
3377 $(form).reset(); |
|
3378 return form; |
|
3379 }, |
|
3380 |
|
3381 serializeElements: function(elements, options) { |
|
3382 if (typeof options != 'object') options = { hash: !!options }; |
|
3383 else if (Object.isUndefined(options.hash)) options.hash = true; |
|
3384 var key, value, submitted = false, submit = options.submit; |
|
3385 |
|
3386 var data = elements.inject({ }, function(result, element) { |
|
3387 if (!element.disabled && element.name) { |
|
3388 key = element.name; value = $(element).getValue(); |
|
3389 if (value != null && (element.type != 'submit' || (!submitted && |
|
3390 submit !== false && (!submit || key == submit) && (submitted = true)))) { |
|
3391 if (key in result) { |
|
3392 // a key is already present; construct an array of values |
|
3393 if (!Object.isArray(result[key])) result[key] = [result[key]]; |
|
3394 result[key].push(value); |
|
3395 } |
|
3396 else result[key] = value; |
|
3397 } |
|
3398 } |
|
3399 return result; |
|
3400 }); |
|
3401 |
|
3402 return options.hash ? data : Object.toQueryString(data); |
|
3403 } |
|
3404 }; |
|
3405 |
|
3406 Form.Methods = { |
|
3407 serialize: function(form, options) { |
|
3408 return Form.serializeElements(Form.getElements(form), options); |
|
3409 }, |
|
3410 |
|
3411 getElements: function(form) { |
|
3412 return $A($(form).getElementsByTagName('*')).inject([], |
|
3413 function(elements, child) { |
|
3414 if (Form.Element.Serializers[child.tagName.toLowerCase()]) |
|
3415 elements.push(Element.extend(child)); |
|
3416 return elements; |
|
3417 } |
|
3418 ); |
|
3419 }, |
|
3420 |
|
3421 getInputs: function(form, typeName, name) { |
|
3422 form = $(form); |
|
3423 var inputs = form.getElementsByTagName('input'); |
|
3424 |
|
3425 if (!typeName && !name) return $A(inputs).map(Element.extend); |
|
3426 |
|
3427 for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
|
3428 var input = inputs[i]; |
|
3429 if ((typeName && input.type != typeName) || (name && input.name != name)) |
|
3430 continue; |
|
3431 matchingInputs.push(Element.extend(input)); |
|
3432 } |
|
3433 |
|
3434 return matchingInputs; |
|
3435 }, |
|
3436 |
|
3437 disable: function(form) { |
|
3438 form = $(form); |
|
3439 Form.getElements(form).invoke('disable'); |
|
3440 return form; |
|
3441 }, |
|
3442 |
|
3443 enable: function(form) { |
|
3444 form = $(form); |
|
3445 Form.getElements(form).invoke('enable'); |
|
3446 return form; |
|
3447 }, |
|
3448 |
|
3449 findFirstElement: function(form) { |
|
3450 var elements = $(form).getElements().findAll(function(element) { |
|
3451 return 'hidden' != element.type && !element.disabled; |
|
3452 }); |
|
3453 var firstByIndex = elements.findAll(function(element) { |
|
3454 return element.hasAttribute('tabIndex') && element.tabIndex >= 0; |
|
3455 }).sortBy(function(element) { return element.tabIndex }).first(); |
|
3456 |
|
3457 return firstByIndex ? firstByIndex : elements.find(function(element) { |
|
3458 return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); |
|
3459 }); |
|
3460 }, |
|
3461 |
|
3462 focusFirstElement: function(form) { |
|
3463 form = $(form); |
|
3464 form.findFirstElement().activate(); |
|
3465 return form; |
|
3466 }, |
|
3467 |
|
3468 request: function(form, options) { |
|
3469 form = $(form), options = Object.clone(options || { }); |
|
3470 |
|
3471 var params = options.parameters, action = form.readAttribute('action') || ''; |
|
3472 if (action.blank()) action = window.location.href; |
|
3473 options.parameters = form.serialize(true); |
|
3474 |
|
3475 if (params) { |
|
3476 if (Object.isString(params)) params = params.toQueryParams(); |
|
3477 Object.extend(options.parameters, params); |
|
3478 } |
|
3479 |
|
3480 if (form.hasAttribute('method') && !options.method) |
|
3481 options.method = form.method; |
|
3482 |
|
3483 return new Ajax.Request(action, options); |
|
3484 } |
|
3485 }; |
|
3486 |
|
3487 /*--------------------------------------------------------------------------*/ |
|
3488 |
|
3489 Form.Element = { |
|
3490 focus: function(element) { |
|
3491 $(element).focus(); |
|
3492 return element; |
|
3493 }, |
|
3494 |
|
3495 select: function(element) { |
|
3496 $(element).select(); |
|
3497 return element; |
|
3498 } |
|
3499 }; |
|
3500 |
|
3501 Form.Element.Methods = { |
|
3502 serialize: function(element) { |
|
3503 element = $(element); |
|
3504 if (!element.disabled && element.name) { |
|
3505 var value = element.getValue(); |
|
3506 if (value != undefined) { |
|
3507 var pair = { }; |
|
3508 pair[element.name] = value; |
|
3509 return Object.toQueryString(pair); |
|
3510 } |
|
3511 } |
|
3512 return ''; |
|
3513 }, |
|
3514 |
|
3515 getValue: function(element) { |
|
3516 element = $(element); |
|
3517 var method = element.tagName.toLowerCase(); |
|
3518 return Form.Element.Serializers[method](element); |
|
3519 }, |
|
3520 |
|
3521 setValue: function(element, value) { |
|
3522 element = $(element); |
|
3523 var method = element.tagName.toLowerCase(); |
|
3524 Form.Element.Serializers[method](element, value); |
|
3525 return element; |
|
3526 }, |
|
3527 |
|
3528 clear: function(element) { |
|
3529 $(element).value = ''; |
|
3530 return element; |
|
3531 }, |
|
3532 |
|
3533 present: function(element) { |
|
3534 return $(element).value != ''; |
|
3535 }, |
|
3536 |
|
3537 activate: function(element) { |
|
3538 element = $(element); |
|
3539 try { |
|
3540 element.focus(); |
|
3541 if (element.select && (element.tagName.toLowerCase() != 'input' || |
|
3542 !['button', 'reset', 'submit'].include(element.type))) |
|
3543 element.select(); |
|
3544 } catch (e) { } |
|
3545 return element; |
|
3546 }, |
|
3547 |
|
3548 disable: function(element) { |
|
3549 element = $(element); |
|
3550 element.blur(); |
|
3551 element.disabled = true; |
|
3552 return element; |
|
3553 }, |
|
3554 |
|
3555 enable: function(element) { |
|
3556 element = $(element); |
|
3557 element.disabled = false; |
|
3558 return element; |
|
3559 } |
|
3560 }; |
|
3561 |
|
3562 /*--------------------------------------------------------------------------*/ |
|
3563 |
|
3564 var Field = Form.Element; |
|
3565 var $F = Form.Element.Methods.getValue; |
|
3566 |
|
3567 /*--------------------------------------------------------------------------*/ |
|
3568 |
|
3569 Form.Element.Serializers = { |
|
3570 input: function(element, value) { |
|
3571 switch (element.type.toLowerCase()) { |
|
3572 case 'checkbox': |
|
3573 case 'radio': |
|
3574 return Form.Element.Serializers.inputSelector(element, value); |
|
3575 default: |
|
3576 return Form.Element.Serializers.textarea(element, value); |
|
3577 } |
|
3578 }, |
|
3579 |
|
3580 inputSelector: function(element, value) { |
|
3581 if (Object.isUndefined(value)) return element.checked ? element.value : null; |
|
3582 else element.checked = !!value; |
|
3583 }, |
|
3584 |
|
3585 textarea: function(element, value) { |
|
3586 if (Object.isUndefined(value)) return element.value; |
|
3587 else element.value = value; |
|
3588 }, |
|
3589 |
|
3590 select: function(element, index) { |
|
3591 if (Object.isUndefined(index)) |
|
3592 return this[element.type == 'select-one' ? |
|
3593 'selectOne' : 'selectMany'](element); |
|
3594 else { |
|
3595 var opt, value, single = !Object.isArray(index); |
|
3596 for (var i = 0, length = element.length; i < length; i++) { |
|
3597 opt = element.options[i]; |
|
3598 value = this.optionValue(opt); |
|
3599 if (single) { |
|
3600 if (value == index) { |
|
3601 opt.selected = true; |
|
3602 return; |
|
3603 } |
|
3604 } |
|
3605 else opt.selected = index.include(value); |
|
3606 } |
|
3607 } |
|
3608 }, |
|
3609 |
|
3610 selectOne: function(element) { |
|
3611 var index = element.selectedIndex; |
|
3612 return index >= 0 ? this.optionValue(element.options[index]) : null; |
|
3613 }, |
|
3614 |
|
3615 selectMany: function(element) { |
|
3616 var values, length = element.length; |
|
3617 if (!length) return null; |
|
3618 |
|
3619 for (var i = 0, values = []; i < length; i++) { |
|
3620 var opt = element.options[i]; |
|
3621 if (opt.selected) values.push(this.optionValue(opt)); |
|
3622 } |
|
3623 return values; |
|
3624 }, |
|
3625 |
|
3626 optionValue: function(opt) { |
|
3627 // extend element because hasAttribute may not be native |
|
3628 return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; |
|
3629 } |
|
3630 }; |
|
3631 |
|
3632 /*--------------------------------------------------------------------------*/ |
|
3633 |
|
3634 Abstract.TimedObserver = Class.create(PeriodicalExecuter, { |
|
3635 initialize: function($super, element, frequency, callback) { |
|
3636 $super(callback, frequency); |
|
3637 this.element = $(element); |
|
3638 this.lastValue = this.getValue(); |
|
3639 }, |
|
3640 |
|
3641 execute: function() { |
|
3642 var value = this.getValue(); |
|
3643 if (Object.isString(this.lastValue) && Object.isString(value) ? |
|
3644 this.lastValue != value : String(this.lastValue) != String(value)) { |
|
3645 this.callback(this.element, value); |
|
3646 this.lastValue = value; |
|
3647 } |
|
3648 } |
|
3649 }); |
|
3650 |
|
3651 Form.Element.Observer = Class.create(Abstract.TimedObserver, { |
|
3652 getValue: function() { |
|
3653 return Form.Element.getValue(this.element); |
|
3654 } |
|
3655 }); |
|
3656 |
|
3657 Form.Observer = Class.create(Abstract.TimedObserver, { |
|
3658 getValue: function() { |
|
3659 return Form.serialize(this.element); |
|
3660 } |
|
3661 }); |
|
3662 |
|
3663 /*--------------------------------------------------------------------------*/ |
|
3664 |
|
3665 Abstract.EventObserver = Class.create({ |
|
3666 initialize: function(element, callback) { |
|
3667 this.element = $(element); |
|
3668 this.callback = callback; |
|
3669 |
|
3670 this.lastValue = this.getValue(); |
|
3671 if (this.element.tagName.toLowerCase() == 'form') |
|
3672 this.registerFormCallbacks(); |
|
3673 else |
|
3674 this.registerCallback(this.element); |
|
3675 }, |
|
3676 |
|
3677 onElementEvent: function() { |
|
3678 var value = this.getValue(); |
|
3679 if (this.lastValue != value) { |
|
3680 this.callback(this.element, value); |
|
3681 this.lastValue = value; |
|
3682 } |
|
3683 }, |
|
3684 |
|
3685 registerFormCallbacks: function() { |
|
3686 Form.getElements(this.element).each(this.registerCallback, this); |
|
3687 }, |
|
3688 |
|
3689 registerCallback: function(element) { |
|
3690 if (element.type) { |
|
3691 switch (element.type.toLowerCase()) { |
|
3692 case 'checkbox': |
|
3693 case 'radio': |
|
3694 Event.observe(element, 'click', this.onElementEvent.bind(this)); |
|
3695 break; |
|
3696 default: |
|
3697 Event.observe(element, 'change', this.onElementEvent.bind(this)); |
|
3698 break; |
|
3699 } |
|
3700 } |
|
3701 } |
|
3702 }); |
|
3703 |
|
3704 Form.Element.EventObserver = Class.create(Abstract.EventObserver, { |
|
3705 getValue: function() { |
|
3706 return Form.Element.getValue(this.element); |
|
3707 } |
|
3708 }); |
|
3709 |
|
3710 Form.EventObserver = Class.create(Abstract.EventObserver, { |
|
3711 getValue: function() { |
|
3712 return Form.serialize(this.element); |
|
3713 } |
|
3714 }); |
|
3715 if (!window.Event) var Event = { }; |
|
3716 |
|
3717 Object.extend(Event, { |
|
3718 KEY_BACKSPACE: 8, |
|
3719 KEY_TAB: 9, |
|
3720 KEY_RETURN: 13, |
|
3721 KEY_ESC: 27, |
|
3722 KEY_LEFT: 37, |
|
3723 KEY_UP: 38, |
|
3724 KEY_RIGHT: 39, |
|
3725 KEY_DOWN: 40, |
|
3726 KEY_DELETE: 46, |
|
3727 KEY_HOME: 36, |
|
3728 KEY_END: 35, |
|
3729 KEY_PAGEUP: 33, |
|
3730 KEY_PAGEDOWN: 34, |
|
3731 KEY_INSERT: 45, |
|
3732 |
|
3733 cache: { }, |
|
3734 |
|
3735 relatedTarget: function(event) { |
|
3736 var element; |
|
3737 switch(event.type) { |
|
3738 case 'mouseover': element = event.fromElement; break; |
|
3739 case 'mouseout': element = event.toElement; break; |
|
3740 default: return null; |
|
3741 } |
|
3742 return Element.extend(element); |
|
3743 } |
|
3744 }); |
|
3745 |
|
3746 Event.Methods = (function() { |
|
3747 var isButton; |
|
3748 |
|
3749 if (Prototype.Browser.IE) { |
|
3750 var buttonMap = { 0: 1, 1: 4, 2: 2 }; |
|
3751 isButton = function(event, code) { |
|
3752 return event.button == buttonMap[code]; |
|
3753 }; |
|
3754 |
|
3755 } else if (Prototype.Browser.WebKit) { |
|
3756 isButton = function(event, code) { |
|
3757 switch (code) { |
|
3758 case 0: return event.which == 1 && !event.metaKey; |
|
3759 case 1: return event.which == 1 && event.metaKey; |
|
3760 default: return false; |
|
3761 } |
|
3762 }; |
|
3763 |
|
3764 } else { |
|
3765 isButton = function(event, code) { |
|
3766 return event.which ? (event.which === code + 1) : (event.button === code); |
|
3767 }; |
|
3768 } |
|
3769 |
|
3770 return { |
|
3771 isLeftClick: function(event) { return isButton(event, 0) }, |
|
3772 isMiddleClick: function(event) { return isButton(event, 1) }, |
|
3773 isRightClick: function(event) { return isButton(event, 2) }, |
|
3774 |
|
3775 element: function(event) { |
|
3776 var node = Event.extend(event).target; |
|
3777 return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node); |
|
3778 }, |
|
3779 |
|
3780 findElement: function(event, expression) { |
|
3781 var element = Event.element(event); |
|
3782 if (!expression) return element; |
|
3783 var elements = [element].concat(element.ancestors()); |
|
3784 return Selector.findElement(elements, expression, 0); |
|
3785 }, |
|
3786 |
|
3787 pointer: function(event) { |
|
3788 return { |
|
3789 x: event.pageX || (event.clientX + |
|
3790 (document.documentElement.scrollLeft || document.body.scrollLeft)), |
|
3791 y: event.pageY || (event.clientY + |
|
3792 (document.documentElement.scrollTop || document.body.scrollTop)) |
|
3793 }; |
|
3794 }, |
|
3795 |
|
3796 pointerX: function(event) { return Event.pointer(event).x }, |
|
3797 pointerY: function(event) { return Event.pointer(event).y }, |
|
3798 |
|
3799 stop: function(event) { |
|
3800 Event.extend(event); |
|
3801 event.preventDefault(); |
|
3802 event.stopPropagation(); |
|
3803 event.stopped = true; |
|
3804 } |
|
3805 }; |
|
3806 })(); |
|
3807 |
|
3808 Event.extend = (function() { |
|
3809 var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { |
|
3810 m[name] = Event.Methods[name].methodize(); |
|
3811 return m; |
|
3812 }); |
|
3813 |
|
3814 if (Prototype.Browser.IE) { |
|
3815 Object.extend(methods, { |
|
3816 stopPropagation: function() { this.cancelBubble = true }, |
|
3817 preventDefault: function() { this.returnValue = false }, |
|
3818 inspect: function() { return "[object Event]" } |
|
3819 }); |
|
3820 |
|
3821 return function(event) { |
|
3822 if (!event) return false; |
|
3823 if (event._extendedByPrototype) return event; |
|
3824 |
|
3825 event._extendedByPrototype = Prototype.emptyFunction; |
|
3826 var pointer = Event.pointer(event); |
|
3827 Object.extend(event, { |
|
3828 target: event.srcElement, |
|
3829 relatedTarget: Event.relatedTarget(event), |
|
3830 pageX: pointer.x, |
|
3831 pageY: pointer.y |
|
3832 }); |
|
3833 return Object.extend(event, methods); |
|
3834 }; |
|
3835 |
|
3836 } else { |
|
3837 Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__; |
|
3838 Object.extend(Event.prototype, methods); |
|
3839 return Prototype.K; |
|
3840 } |
|
3841 })(); |
|
3842 |
|
3843 Object.extend(Event, (function() { |
|
3844 var cache = Event.cache; |
|
3845 |
|
3846 function getEventID(element) { |
|
3847 if (element._prototypeEventID) return element._prototypeEventID[0]; |
|
3848 arguments.callee.id = arguments.callee.id || 1; |
|
3849 return element._prototypeEventID = [++arguments.callee.id]; |
|
3850 } |
|
3851 |
|
3852 function getDOMEventName(eventName) { |
|
3853 if (eventName && eventName.include(':')) return "dataavailable"; |
|
3854 return eventName; |
|
3855 } |
|
3856 |
|
3857 function getCacheForID(id) { |
|
3858 return cache[id] = cache[id] || { }; |
|
3859 } |
|
3860 |
|
3861 function getWrappersForEventName(id, eventName) { |
|
3862 var c = getCacheForID(id); |
|
3863 return c[eventName] = c[eventName] || []; |
|
3864 } |
|
3865 |
|
3866 function createWrapper(element, eventName, handler) { |
|
3867 var id = getEventID(element); |
|
3868 var c = getWrappersForEventName(id, eventName); |
|
3869 if (c.pluck("handler").include(handler)) return false; |
|
3870 |
|
3871 var wrapper = function(event) { |
|
3872 if (!Event || !Event.extend || |
|
3873 (event.eventName && event.eventName != eventName)) |
|
3874 return false; |
|
3875 |
|
3876 Event.extend(event); |
|
3877 handler.call(element, event); |
|
3878 }; |
|
3879 |
|
3880 wrapper.handler = handler; |
|
3881 c.push(wrapper); |
|
3882 return wrapper; |
|
3883 } |
|
3884 |
|
3885 function findWrapper(id, eventName, handler) { |
|
3886 var c = getWrappersForEventName(id, eventName); |
|
3887 return c.find(function(wrapper) { return wrapper.handler == handler }); |
|
3888 } |
|
3889 |
|
3890 function destroyWrapper(id, eventName, handler) { |
|
3891 var c = getCacheForID(id); |
|
3892 if (!c[eventName]) return false; |
|
3893 c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); |
|
3894 } |
|
3895 |
|
3896 function destroyCache() { |
|
3897 for (var id in cache) |
|
3898 for (var eventName in cache[id]) |
|
3899 cache[id][eventName] = null; |
|
3900 } |
|
3901 |
|
3902 if (window.attachEvent) { |
|
3903 window.attachEvent("onunload", destroyCache); |
|
3904 } |
|
3905 |
|
3906 return { |
|
3907 observe: function(element, eventName, handler) { |
|
3908 element = $(element); |
|
3909 var name = getDOMEventName(eventName); |
|
3910 |
|
3911 var wrapper = createWrapper(element, eventName, handler); |
|
3912 if (!wrapper) return element; |
|
3913 |
|
3914 if (element.addEventListener) { |
|
3915 element.addEventListener(name, wrapper, false); |
|
3916 } else { |
|
3917 element.attachEvent("on" + name, wrapper); |
|
3918 } |
|
3919 |
|
3920 return element; |
|
3921 }, |
|
3922 |
|
3923 stopObserving: function(element, eventName, handler) { |
|
3924 element = $(element); |
|
3925 var id = getEventID(element), name = getDOMEventName(eventName); |
|
3926 |
|
3927 if (!handler && eventName) { |
|
3928 getWrappersForEventName(id, eventName).each(function(wrapper) { |
|
3929 element.stopObserving(eventName, wrapper.handler); |
|
3930 }); |
|
3931 return element; |
|
3932 |
|
3933 } else if (!eventName) { |
|
3934 Object.keys(getCacheForID(id)).each(function(eventName) { |
|
3935 element.stopObserving(eventName); |
|
3936 }); |
|
3937 return element; |
|
3938 } |
|
3939 |
|
3940 var wrapper = findWrapper(id, eventName, handler); |
|
3941 if (!wrapper) return element; |
|
3942 |
|
3943 if (element.removeEventListener) { |
|
3944 element.removeEventListener(name, wrapper, false); |
|
3945 } else { |
|
3946 element.detachEvent("on" + name, wrapper); |
|
3947 } |
|
3948 |
|
3949 destroyWrapper(id, eventName, handler); |
|
3950 |
|
3951 return element; |
|
3952 }, |
|
3953 |
|
3954 fire: function(element, eventName, memo) { |
|
3955 element = $(element); |
|
3956 if (element == document && document.createEvent && !element.dispatchEvent) |
|
3957 element = document.documentElement; |
|
3958 |
|
3959 var event; |
|
3960 if (document.createEvent) { |
|
3961 event = document.createEvent("HTMLEvents"); |
|
3962 event.initEvent("dataavailable", true, true); |
|
3963 } else { |
|
3964 event = document.createEventObject(); |
|
3965 event.eventType = "ondataavailable"; |
|
3966 } |
|
3967 |
|
3968 event.eventName = eventName; |
|
3969 event.memo = memo || { }; |
|
3970 |
|
3971 if (document.createEvent) { |
|
3972 element.dispatchEvent(event); |
|
3973 } else { |
|
3974 element.fireEvent(event.eventType, event); |
|
3975 } |
|
3976 |
|
3977 return Event.extend(event); |
|
3978 } |
|
3979 }; |
|
3980 })()); |
|
3981 |
|
3982 Object.extend(Event, Event.Methods); |
|
3983 |
|
3984 Element.addMethods({ |
|
3985 fire: Event.fire, |
|
3986 observe: Event.observe, |
|
3987 stopObserving: Event.stopObserving |
|
3988 }); |
|
3989 |
|
3990 Object.extend(document, { |
|
3991 fire: Element.Methods.fire.methodize(), |
|
3992 observe: Element.Methods.observe.methodize(), |
|
3993 stopObserving: Element.Methods.stopObserving.methodize(), |
|
3994 loaded: false |
|
3995 }); |
|
3996 |
|
3997 (function() { |
|
3998 /* Support for the DOMContentLoaded event is based on work by Dan Webb, |
|
3999 Matthias Miller, Dean Edwards and John Resig. */ |
|
4000 |
|
4001 var timer; |
|
4002 |
|
4003 function fireContentLoadedEvent() { |
|
4004 if (document.loaded) return; |
|
4005 if (timer) window.clearInterval(timer); |
|
4006 document.fire("dom:loaded"); |
|
4007 document.loaded = true; |
|
4008 } |
|
4009 |
|
4010 if (document.addEventListener) { |
|
4011 if (Prototype.Browser.WebKit) { |
|
4012 timer = window.setInterval(function() { |
|
4013 if (/loaded|complete/.test(document.readyState)) |
|
4014 fireContentLoadedEvent(); |
|
4015 }, 0); |
|
4016 |
|
4017 Event.observe(window, "load", fireContentLoadedEvent); |
|
4018 |
|
4019 } else { |
|
4020 document.addEventListener("DOMContentLoaded", |
|
4021 fireContentLoadedEvent, false); |
|
4022 } |
|
4023 |
|
4024 } else { |
|
4025 document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); |
|
4026 $("__onDOMContentLoaded").onreadystatechange = function() { |
|
4027 if (this.readyState == "complete") { |
|
4028 this.onreadystatechange = null; |
|
4029 fireContentLoadedEvent(); |
|
4030 } |
|
4031 }; |
|
4032 } |
|
4033 })(); |
|
4034 /*------------------------------- DEPRECATED -------------------------------*/ |
|
4035 |
|
4036 Hash.toQueryString = Object.toQueryString; |
|
4037 |
|
4038 var Toggle = { display: Element.toggle }; |
|
4039 |
|
4040 Element.Methods.childOf = Element.Methods.descendantOf; |
|
4041 |
|
4042 var Insertion = { |
|
4043 Before: function(element, content) { |
|
4044 return Element.insert(element, {before:content}); |
|
4045 }, |
|
4046 |
|
4047 Top: function(element, content) { |
|
4048 return Element.insert(element, {top:content}); |
|
4049 }, |
|
4050 |
|
4051 Bottom: function(element, content) { |
|
4052 return Element.insert(element, {bottom:content}); |
|
4053 }, |
|
4054 |
|
4055 After: function(element, content) { |
|
4056 return Element.insert(element, {after:content}); |
|
4057 } |
|
4058 }; |
|
4059 |
|
4060 var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); |
|
4061 |
|
4062 // This should be moved to script.aculo.us; notice the deprecated methods |
|
4063 // further below, that map to the newer Element methods. |
|
4064 var Position = { |
|
4065 // set to true if needed, warning: firefox performance problems |
|
4066 // NOT neeeded for page scrolling, only if draggable contained in |
|
4067 // scrollable elements |
|
4068 includeScrollOffsets: false, |
|
4069 |
|
4070 // must be called before calling withinIncludingScrolloffset, every time the |
|
4071 // page is scrolled |
|
4072 prepare: function() { |
|
4073 this.deltaX = window.pageXOffset |
|
4074 || document.documentElement.scrollLeft |
|
4075 || document.body.scrollLeft |
|
4076 || 0; |
|
4077 this.deltaY = window.pageYOffset |
|
4078 || document.documentElement.scrollTop |
|
4079 || document.body.scrollTop |
|
4080 || 0; |
|
4081 }, |
|
4082 |
|
4083 // caches x/y coordinate pair to use with overlap |
|
4084 within: function(element, x, y) { |
|
4085 if (this.includeScrollOffsets) |
|
4086 return this.withinIncludingScrolloffsets(element, x, y); |
|
4087 this.xcomp = x; |
|
4088 this.ycomp = y; |
|
4089 this.offset = Element.cumulativeOffset(element); |
|
4090 |
|
4091 return (y >= this.offset[1] && |
|
4092 y < this.offset[1] + element.offsetHeight && |
|
4093 x >= this.offset[0] && |
|
4094 x < this.offset[0] + element.offsetWidth); |
|
4095 }, |
|
4096 |
|
4097 withinIncludingScrolloffsets: function(element, x, y) { |
|
4098 var offsetcache = Element.cumulativeScrollOffset(element); |
|
4099 |
|
4100 this.xcomp = x + offsetcache[0] - this.deltaX; |
|
4101 this.ycomp = y + offsetcache[1] - this.deltaY; |
|
4102 this.offset = Element.cumulativeOffset(element); |
|
4103 |
|
4104 return (this.ycomp >= this.offset[1] && |
|
4105 this.ycomp < this.offset[1] + element.offsetHeight && |
|
4106 this.xcomp >= this.offset[0] && |
|
4107 this.xcomp < this.offset[0] + element.offsetWidth); |
|
4108 }, |
|
4109 |
|
4110 // within must be called directly before |
|
4111 overlap: function(mode, element) { |
|
4112 if (!mode) return 0; |
|
4113 if (mode == 'vertical') |
|
4114 return ((this.offset[1] + element.offsetHeight) - this.ycomp) / |
|
4115 element.offsetHeight; |
|
4116 if (mode == 'horizontal') |
|
4117 return ((this.offset[0] + element.offsetWidth) - this.xcomp) / |
|
4118 element.offsetWidth; |
|
4119 }, |
|
4120 |
|
4121 // Deprecation layer -- use newer Element methods now (1.5.2). |
|
4122 |
|
4123 cumulativeOffset: Element.Methods.cumulativeOffset, |
|
4124 |
|
4125 positionedOffset: Element.Methods.positionedOffset, |
|
4126 |
|
4127 absolutize: function(element) { |
|
4128 Position.prepare(); |
|
4129 return Element.absolutize(element); |
|
4130 }, |
|
4131 |
|
4132 relativize: function(element) { |
|
4133 Position.prepare(); |
|
4134 return Element.relativize(element); |
|
4135 }, |
|
4136 |
|
4137 realOffset: Element.Methods.cumulativeScrollOffset, |
|
4138 |
|
4139 offsetParent: Element.Methods.getOffsetParent, |
|
4140 |
|
4141 page: Element.Methods.viewportOffset, |
|
4142 |
|
4143 clone: function(source, target, options) { |
|
4144 options = options || { }; |
|
4145 return Element.clonePosition(target, source, options); |
|
4146 } |
|
4147 }; |
|
4148 |
|
4149 /*--------------------------------------------------------------------------*/ |
|
4150 |
|
4151 if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ |
|
4152 function iter(name) { |
|
4153 return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; |
|
4154 } |
|
4155 |
|
4156 instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? |
|
4157 function(element, className) { |
|
4158 className = className.toString().strip(); |
|
4159 var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); |
|
4160 return cond ? document._getElementsByXPath('.//*' + cond, element) : []; |
|
4161 } : function(element, className) { |
|
4162 className = className.toString().strip(); |
|
4163 var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); |
|
4164 if (!classNames && !className) return elements; |
|
4165 |
|
4166 var nodes = $(element).getElementsByTagName('*'); |
|
4167 className = ' ' + className + ' '; |
|
4168 |
|
4169 for (var i = 0, child, cn; child = nodes[i]; i++) { |
|
4170 if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || |
|
4171 (classNames && classNames.all(function(name) { |
|
4172 return !name.toString().blank() && cn.include(' ' + name + ' '); |
|
4173 })))) |
|
4174 elements.push(Element.extend(child)); |
|
4175 } |
|
4176 return elements; |
|
4177 }; |
|
4178 |
|
4179 return function(className, parentElement) { |
|
4180 return $(parentElement || document.body).getElementsByClassName(className); |
|
4181 }; |
|
4182 }(Element.Methods); |
|
4183 |
|
4184 /*--------------------------------------------------------------------------*/ |
|
4185 |
|
4186 Element.ClassNames = Class.create(); |
|
4187 Element.ClassNames.prototype = { |
|
4188 initialize: function(element) { |
|
4189 this.element = $(element); |
|
4190 }, |
|
4191 |
|
4192 _each: function(iterator) { |
|
4193 this.element.className.split(/\s+/).select(function(name) { |
|
4194 return name.length > 0; |
|
4195 })._each(iterator); |
|
4196 }, |
|
4197 |
|
4198 set: function(className) { |
|
4199 this.element.className = className; |
|
4200 }, |
|
4201 |
|
4202 add: function(classNameToAdd) { |
|
4203 if (this.include(classNameToAdd)) return; |
|
4204 this.set($A(this).concat(classNameToAdd).join(' ')); |
|
4205 }, |
|
4206 |
|
4207 remove: function(classNameToRemove) { |
|
4208 if (!this.include(classNameToRemove)) return; |
|
4209 this.set($A(this).without(classNameToRemove).join(' ')); |
|
4210 }, |
|
4211 |
|
4212 toString: function() { |
|
4213 return $A(this).join(' '); |
|
4214 } |
|
4215 }; |
|
4216 |
|
4217 Object.extend(Element.ClassNames.prototype, Enumerable); |
|
4218 |
|
4219 /*--------------------------------------------------------------------------*/ |
|
4220 |
|
4221 Element.addMethods(); |