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4b9dfd5b | 1 | /* Prototype JavaScript framework, version 1.6.0.1 |
5c656a9d | 2 | * (c) 2005-2007 Sam Stephenson |
14f69488 AD |
3 | * |
4 | * Prototype is freely distributable under the terms of an MIT-style license. | |
4b9dfd5b | 5 | * For details, see the Prototype web site: http://www.prototypejs.org/ |
14f69488 | 6 | * |
4b9dfd5b | 7 | *--------------------------------------------------------------------------*/ |
14f69488 AD |
8 | |
9 | var Prototype = { | |
4b9dfd5b AD |
10 | Version: '1.6.0.1', |
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 | ||
5c656a9d | 20 | BrowserFeatures: { |
4b9dfd5b AD |
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__ | |
5c656a9d | 27 | }, |
14f69488 | 28 | |
4b9dfd5b AD |
29 | ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>', |
30 | JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/, | |
31 | ||
32 | emptyFunction: function() { }, | |
5c656a9d | 33 | K: function(x) { return x } |
4b9dfd5b AD |
34 | }; |
35 | ||
36 | if (Prototype.Browser.MobileSafari) | |
37 | Prototype.BrowserFeatures.SpecificElementExtensions = false; | |
14f69488 | 38 | |
4b9dfd5b AD |
39 | |
40 | /* Based on Alex Arnell's inheritance implementation. */ | |
14f69488 AD |
41 | var Class = { |
42 | create: function() { | |
4b9dfd5b AD |
43 | var parent = null, properties = $A(arguments); |
44 | if (Object.isFunction(properties[0])) | |
45 | parent = properties.shift(); | |
46 | ||
47 | function klass() { | |
14f69488 AD |
48 | this.initialize.apply(this, arguments); |
49 | } | |
4b9dfd5b AD |
50 | |
51 | Object.extend(klass, Class.Methods); | |
52 | klass.superclass = parent; | |
53 | klass.subclasses = []; | |
54 | ||
55 | if (parent) { | |
56 | var subclass = function() { }; | |
57 | subclass.prototype = parent.prototype; | |
58 | klass.prototype = new subclass; | |
59 | parent.subclasses.push(klass); | |
60 | } | |
61 | ||
62 | for (var i = 0; i < properties.length; i++) | |
63 | klass.addMethods(properties[i]); | |
64 | ||
65 | if (!klass.prototype.initialize) | |
66 | klass.prototype.initialize = Prototype.emptyFunction; | |
67 | ||
68 | klass.prototype.constructor = klass; | |
69 | ||
70 | return klass; | |
71 | } | |
72 | }; | |
73 | ||
74 | Class.Methods = { | |
75 | addMethods: function(source) { | |
76 | var ancestor = this.superclass && this.superclass.prototype; | |
77 | var properties = Object.keys(source); | |
78 | ||
79 | if (!Object.keys({ toString: true }).length) | |
80 | properties.push("toString", "valueOf"); | |
81 | ||
82 | for (var i = 0, length = properties.length; i < length; i++) { | |
83 | var property = properties[i], value = source[property]; | |
84 | if (ancestor && Object.isFunction(value) && | |
85 | value.argumentNames().first() == "$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; | |
14f69488 | 97 | } |
4b9dfd5b | 98 | }; |
14f69488 | 99 | |
4b9dfd5b | 100 | var Abstract = { }; |
14f69488 AD |
101 | |
102 | Object.extend = function(destination, source) { | |
4b9dfd5b | 103 | for (var property in source) |
14f69488 | 104 | destination[property] = source[property]; |
14f69488 | 105 | return destination; |
4b9dfd5b | 106 | }; |
14f69488 | 107 | |
5c656a9d AD |
108 | Object.extend(Object, { |
109 | inspect: function(object) { | |
110 | try { | |
4b9dfd5b | 111 | if (Object.isUndefined(object)) return 'undefined'; |
5c656a9d AD |
112 | if (object === null) return 'null'; |
113 | return object.inspect ? object.inspect() : object.toString(); | |
114 | } catch (e) { | |
115 | if (e instanceof RangeError) return '...'; | |
116 | throw e; | |
117 | } | |
118 | }, | |
119 | ||
4b9dfd5b AD |
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 | ||
5c656a9d AD |
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) { | |
4b9dfd5b AD |
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 && object.constructor === Array; | |
175 | }, | |
176 | ||
177 | isHash: function(object) { | |
178 | return object instanceof Hash; | |
179 | }, | |
180 | ||
181 | isFunction: function(object) { | |
182 | return typeof object == "function"; | |
183 | }, | |
184 | ||
185 | isString: function(object) { | |
186 | return typeof object == "string"; | |
187 | }, | |
188 | ||
189 | isNumber: function(object) { | |
190 | return typeof object == "number"; | |
191 | }, | |
192 | ||
193 | isUndefined: function(object) { | |
194 | return typeof object == "undefined"; | |
14f69488 | 195 | } |
5c656a9d | 196 | }); |
14f69488 | 197 | |
4b9dfd5b AD |
198 | Object.extend(Function.prototype, { |
199 | argumentNames: function() { | |
200 | var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip"); | |
201 | return names.length == 1 && !names[0] ? [] : names; | |
202 | }, | |
14f69488 | 203 | |
4b9dfd5b AD |
204 | bind: function() { |
205 | if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this; | |
206 | var __method = this, args = $A(arguments), object = args.shift(); | |
207 | return function() { | |
208 | return __method.apply(object, args.concat($A(arguments))); | |
209 | } | |
210 | }, | |
14f69488 | 211 | |
4b9dfd5b AD |
212 | bindAsEventListener: function() { |
213 | var __method = this, args = $A(arguments), object = args.shift(); | |
214 | return function(event) { | |
215 | return __method.apply(object, [event || window.event].concat(args)); | |
216 | } | |
14f69488 AD |
217 | }, |
218 | ||
4b9dfd5b AD |
219 | curry: function() { |
220 | if (!arguments.length) return this; | |
221 | var __method = this, args = $A(arguments); | |
222 | return function() { | |
223 | return __method.apply(this, args.concat($A(arguments))); | |
224 | } | |
14f69488 AD |
225 | }, |
226 | ||
4b9dfd5b AD |
227 | delay: function() { |
228 | var __method = this, args = $A(arguments), timeout = args.shift() * 1000; | |
229 | return window.setTimeout(function() { | |
230 | return __method.apply(__method, args); | |
231 | }, timeout); | |
232 | }, | |
233 | ||
234 | wrap: function(wrapper) { | |
235 | var __method = this; | |
236 | return function() { | |
237 | return wrapper.apply(this, [__method.bind(this)].concat($A(arguments))); | |
238 | } | |
239 | }, | |
240 | ||
241 | methodize: function() { | |
242 | if (this._methodized) return this._methodized; | |
243 | var __method = this; | |
244 | return this._methodized = function() { | |
245 | return __method.apply(null, [this].concat($A(arguments))); | |
246 | }; | |
14f69488 AD |
247 | } |
248 | }); | |
249 | ||
4b9dfd5b AD |
250 | Function.prototype.defer = Function.prototype.delay.curry(0.01); |
251 | ||
252 | Date.prototype.toJSON = function() { | |
253 | return '"' + this.getUTCFullYear() + '-' + | |
254 | (this.getUTCMonth() + 1).toPaddedString(2) + '-' + | |
255 | this.getUTCDate().toPaddedString(2) + 'T' + | |
256 | this.getUTCHours().toPaddedString(2) + ':' + | |
257 | this.getUTCMinutes().toPaddedString(2) + ':' + | |
258 | this.getUTCSeconds().toPaddedString(2) + 'Z"'; | |
259 | }; | |
260 | ||
14f69488 AD |
261 | var Try = { |
262 | these: function() { | |
263 | var returnValue; | |
264 | ||
5c656a9d | 265 | for (var i = 0, length = arguments.length; i < length; i++) { |
14f69488 AD |
266 | var lambda = arguments[i]; |
267 | try { | |
268 | returnValue = lambda(); | |
269 | break; | |
4b9dfd5b | 270 | } catch (e) { } |
14f69488 AD |
271 | } |
272 | ||
273 | return returnValue; | |
274 | } | |
4b9dfd5b AD |
275 | }; |
276 | ||
277 | RegExp.prototype.match = RegExp.prototype.test; | |
278 | ||
279 | RegExp.escape = function(str) { | |
280 | return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'); | |
281 | }; | |
14f69488 AD |
282 | |
283 | /*--------------------------------------------------------------------------*/ | |
284 | ||
4b9dfd5b | 285 | var PeriodicalExecuter = Class.create({ |
14f69488 AD |
286 | initialize: function(callback, frequency) { |
287 | this.callback = callback; | |
288 | this.frequency = frequency; | |
289 | this.currentlyExecuting = false; | |
290 | ||
291 | this.registerCallback(); | |
292 | }, | |
293 | ||
294 | registerCallback: function() { | |
5c656a9d AD |
295 | this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); |
296 | }, | |
297 | ||
4b9dfd5b AD |
298 | execute: function() { |
299 | this.callback(this); | |
300 | }, | |
301 | ||
5c656a9d AD |
302 | stop: function() { |
303 | if (!this.timer) return; | |
304 | clearInterval(this.timer); | |
305 | this.timer = null; | |
14f69488 AD |
306 | }, |
307 | ||
308 | onTimerEvent: function() { | |
309 | if (!this.currentlyExecuting) { | |
310 | try { | |
311 | this.currentlyExecuting = true; | |
4b9dfd5b | 312 | this.execute(); |
14f69488 AD |
313 | } finally { |
314 | this.currentlyExecuting = false; | |
315 | } | |
316 | } | |
317 | } | |
4b9dfd5b AD |
318 | }); |
319 | Object.extend(String, { | |
320 | interpret: function(value) { | |
321 | return value == null ? '' : String(value); | |
322 | }, | |
323 | specialChar: { | |
324 | '\b': '\\b', | |
325 | '\t': '\\t', | |
326 | '\n': '\\n', | |
327 | '\f': '\\f', | |
328 | '\r': '\\r', | |
329 | '\\': '\\\\' | |
330 | } | |
331 | }); | |
14f69488 | 332 | |
5c656a9d AD |
333 | Object.extend(String.prototype, { |
334 | gsub: function(pattern, replacement) { | |
335 | var result = '', source = this, match; | |
336 | replacement = arguments.callee.prepareReplacement(replacement); | |
337 | ||
338 | while (source.length > 0) { | |
339 | if (match = source.match(pattern)) { | |
340 | result += source.slice(0, match.index); | |
341 | result += String.interpret(replacement(match)); | |
342 | source = source.slice(match.index + match[0].length); | |
343 | } else { | |
344 | result += source, source = ''; | |
345 | } | |
346 | } | |
347 | return result; | |
348 | }, | |
14f69488 | 349 | |
5c656a9d AD |
350 | sub: function(pattern, replacement, count) { |
351 | replacement = this.gsub.prepareReplacement(replacement); | |
4b9dfd5b | 352 | count = Object.isUndefined(count) ? 1 : count; |
14f69488 | 353 | |
5c656a9d AD |
354 | return this.gsub(pattern, function(match) { |
355 | if (--count < 0) return match[0]; | |
356 | return replacement(match); | |
357 | }); | |
358 | }, | |
14f69488 | 359 | |
5c656a9d AD |
360 | scan: function(pattern, iterator) { |
361 | this.gsub(pattern, iterator); | |
4b9dfd5b | 362 | return String(this); |
5c656a9d | 363 | }, |
14f69488 | 364 | |
5c656a9d AD |
365 | truncate: function(length, truncation) { |
366 | length = length || 30; | |
4b9dfd5b | 367 | truncation = Object.isUndefined(truncation) ? '...' : truncation; |
5c656a9d | 368 | return this.length > length ? |
4b9dfd5b | 369 | this.slice(0, length - truncation.length) + truncation : String(this); |
5c656a9d AD |
370 | }, |
371 | ||
372 | strip: function() { | |
373 | return this.replace(/^\s+/, '').replace(/\s+$/, ''); | |
374 | }, | |
14f69488 | 375 | |
14f69488 AD |
376 | stripTags: function() { |
377 | return this.replace(/<\/?[^>]+>/gi, ''); | |
378 | }, | |
379 | ||
380 | stripScripts: function() { | |
381 | return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); | |
382 | }, | |
383 | ||
384 | extractScripts: function() { | |
385 | var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); | |
386 | var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); | |
387 | return (this.match(matchAll) || []).map(function(scriptTag) { | |
388 | return (scriptTag.match(matchOne) || ['', ''])[1]; | |
389 | }); | |
390 | }, | |
391 | ||
392 | evalScripts: function() { | |
5c656a9d | 393 | return this.extractScripts().map(function(script) { return eval(script) }); |
14f69488 AD |
394 | }, |
395 | ||
396 | escapeHTML: function() { | |
4b9dfd5b AD |
397 | var self = arguments.callee; |
398 | self.text.data = this; | |
399 | return self.div.innerHTML; | |
14f69488 AD |
400 | }, |
401 | ||
402 | unescapeHTML: function() { | |
4b9dfd5b | 403 | var div = new Element('div'); |
14f69488 | 404 | div.innerHTML = this.stripTags(); |
5c656a9d | 405 | return div.childNodes[0] ? (div.childNodes.length > 1 ? |
4b9dfd5b | 406 | $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) : |
5c656a9d | 407 | div.childNodes[0].nodeValue) : ''; |
14f69488 AD |
408 | }, |
409 | ||
5c656a9d AD |
410 | toQueryParams: function(separator) { |
411 | var match = this.strip().match(/([^?#]*)(#.*)?$/); | |
4b9dfd5b | 412 | if (!match) return { }; |
5c656a9d | 413 | |
4b9dfd5b | 414 | return match[1].split(separator || '&').inject({ }, function(hash, pair) { |
5c656a9d | 415 | if ((pair = pair.split('='))[0]) { |
4b9dfd5b AD |
416 | var key = decodeURIComponent(pair.shift()); |
417 | var value = pair.length > 1 ? pair.join('=') : pair[0]; | |
418 | if (value != undefined) value = decodeURIComponent(value); | |
5c656a9d | 419 | |
4b9dfd5b AD |
420 | if (key in hash) { |
421 | if (!Object.isArray(hash[key])) hash[key] = [hash[key]]; | |
422 | hash[key].push(value); | |
5c656a9d | 423 | } |
4b9dfd5b | 424 | else hash[key] = value; |
5c656a9d AD |
425 | } |
426 | return hash; | |
14f69488 AD |
427 | }); |
428 | }, | |
429 | ||
430 | toArray: function() { | |
431 | return this.split(''); | |
432 | }, | |
433 | ||
5c656a9d AD |
434 | succ: function() { |
435 | return this.slice(0, this.length - 1) + | |
436 | String.fromCharCode(this.charCodeAt(this.length - 1) + 1); | |
437 | }, | |
438 | ||
4b9dfd5b AD |
439 | times: function(count) { |
440 | return count < 1 ? '' : new Array(count + 1).join(this); | |
441 | }, | |
442 | ||
14f69488 | 443 | camelize: function() { |
5c656a9d AD |
444 | var parts = this.split('-'), len = parts.length; |
445 | if (len == 1) return parts[0]; | |
14f69488 | 446 | |
5c656a9d AD |
447 | var camelized = this.charAt(0) == '-' |
448 | ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1) | |
449 | : parts[0]; | |
14f69488 | 450 | |
5c656a9d AD |
451 | for (var i = 1; i < len; i++) |
452 | camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1); | |
14f69488 | 453 | |
5c656a9d | 454 | return camelized; |
14f69488 AD |
455 | }, |
456 | ||
4b9dfd5b | 457 | capitalize: function() { |
5c656a9d AD |
458 | return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase(); |
459 | }, | |
460 | ||
461 | underscore: function() { | |
462 | return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase(); | |
463 | }, | |
464 | ||
465 | dasherize: function() { | |
466 | return this.gsub(/_/,'-'); | |
467 | }, | |
468 | ||
469 | inspect: function(useDoubleQuotes) { | |
4b9dfd5b AD |
470 | var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) { |
471 | var character = String.specialChar[match[0]]; | |
472 | return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16); | |
473 | }); | |
474 | if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; | |
475 | return "'" + escapedString.replace(/'/g, '\\\'') + "'"; | |
476 | }, | |
477 | ||
478 | toJSON: function() { | |
479 | return this.inspect(true); | |
480 | }, | |
481 | ||
482 | unfilterJSON: function(filter) { | |
483 | return this.sub(filter || Prototype.JSONFilter, '#{1}'); | |
484 | }, | |
485 | ||
486 | isJSON: function() { | |
487 | var str = this; | |
488 | if (str.blank()) return false; | |
489 | str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, ''); | |
490 | return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str); | |
491 | }, | |
492 | ||
493 | evalJSON: function(sanitize) { | |
494 | var json = this.unfilterJSON(); | |
495 | try { | |
496 | if (!sanitize || json.isJSON()) return eval('(' + json + ')'); | |
497 | } catch (e) { } | |
498 | throw new SyntaxError('Badly formed JSON string: ' + this.inspect()); | |
499 | }, | |
500 | ||
501 | include: function(pattern) { | |
502 | return this.indexOf(pattern) > -1; | |
503 | }, | |
504 | ||
505 | startsWith: function(pattern) { | |
506 | return this.indexOf(pattern) === 0; | |
507 | }, | |
508 | ||
509 | endsWith: function(pattern) { | |
510 | var d = this.length - pattern.length; | |
511 | return d >= 0 && this.lastIndexOf(pattern) === d; | |
512 | }, | |
513 | ||
514 | empty: function() { | |
515 | return this == ''; | |
516 | }, | |
517 | ||
518 | blank: function() { | |
519 | return /^\s*$/.test(this); | |
520 | }, | |
521 | ||
522 | interpolate: function(object, pattern) { | |
523 | return new Template(this, pattern).evaluate(object); | |
524 | } | |
525 | }); | |
526 | ||
527 | if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, { | |
528 | escapeHTML: function() { | |
529 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); | |
530 | }, | |
531 | unescapeHTML: function() { | |
532 | return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>'); | |
14f69488 AD |
533 | } |
534 | }); | |
535 | ||
5c656a9d | 536 | String.prototype.gsub.prepareReplacement = function(replacement) { |
4b9dfd5b | 537 | if (Object.isFunction(replacement)) return replacement; |
5c656a9d AD |
538 | var template = new Template(replacement); |
539 | return function(match) { return template.evaluate(match) }; | |
4b9dfd5b | 540 | }; |
5c656a9d | 541 | |
14f69488 AD |
542 | String.prototype.parseQuery = String.prototype.toQueryParams; |
543 | ||
4b9dfd5b AD |
544 | Object.extend(String.prototype.escapeHTML, { |
545 | div: document.createElement('div'), | |
546 | text: document.createTextNode('') | |
547 | }); | |
548 | ||
549 | with (String.prototype.escapeHTML) div.appendChild(text); | |
550 | ||
551 | var Template = Class.create({ | |
5c656a9d AD |
552 | initialize: function(template, pattern) { |
553 | this.template = template.toString(); | |
4b9dfd5b | 554 | this.pattern = pattern || Template.Pattern; |
5c656a9d AD |
555 | }, |
556 | ||
557 | evaluate: function(object) { | |
4b9dfd5b AD |
558 | if (Object.isFunction(object.toTemplateReplacements)) |
559 | object = object.toTemplateReplacements(); | |
560 | ||
5c656a9d | 561 | return this.template.gsub(this.pattern, function(match) { |
4b9dfd5b AD |
562 | if (object == null) return ''; |
563 | ||
564 | var before = match[1] || ''; | |
5c656a9d | 565 | if (before == '\\') return match[2]; |
4b9dfd5b AD |
566 | |
567 | var ctx = object, expr = match[3]; | |
568 | var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/; | |
569 | match = pattern.exec(expr); | |
570 | if (match == null) return before; | |
571 | ||
572 | while (match != null) { | |
573 | var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1]; | |
574 | ctx = ctx[comp]; | |
575 | if (null == ctx || '' == match[3]) break; | |
576 | expr = expr.substring('[' == match[3] ? match[1].length : match[0].length); | |
577 | match = pattern.exec(expr); | |
578 | } | |
579 | ||
580 | return before + String.interpret(ctx); | |
581 | }.bind(this)); | |
5c656a9d | 582 | } |
4b9dfd5b AD |
583 | }); |
584 | Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/; | |
5c656a9d | 585 | |
4b9dfd5b | 586 | var $break = { }; |
14f69488 AD |
587 | |
588 | var Enumerable = { | |
4b9dfd5b | 589 | each: function(iterator, context) { |
14f69488 | 590 | var index = 0; |
4b9dfd5b | 591 | iterator = iterator.bind(context); |
14f69488 AD |
592 | try { |
593 | this._each(function(value) { | |
4b9dfd5b | 594 | iterator(value, index++); |
14f69488 AD |
595 | }); |
596 | } catch (e) { | |
597 | if (e != $break) throw e; | |
598 | } | |
5c656a9d AD |
599 | return this; |
600 | }, | |
601 | ||
4b9dfd5b AD |
602 | eachSlice: function(number, iterator, context) { |
603 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
5c656a9d AD |
604 | var index = -number, slices = [], array = this.toArray(); |
605 | while ((index += number) < array.length) | |
606 | slices.push(array.slice(index, index+number)); | |
4b9dfd5b | 607 | return slices.collect(iterator, context); |
14f69488 AD |
608 | }, |
609 | ||
4b9dfd5b AD |
610 | all: function(iterator, context) { |
611 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
14f69488 AD |
612 | var result = true; |
613 | this.each(function(value, index) { | |
4b9dfd5b | 614 | result = result && !!iterator(value, index); |
14f69488 AD |
615 | if (!result) throw $break; |
616 | }); | |
617 | return result; | |
618 | }, | |
619 | ||
4b9dfd5b AD |
620 | any: function(iterator, context) { |
621 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
5c656a9d | 622 | var result = false; |
14f69488 | 623 | this.each(function(value, index) { |
4b9dfd5b | 624 | if (result = !!iterator(value, index)) |
14f69488 AD |
625 | throw $break; |
626 | }); | |
627 | return result; | |
628 | }, | |
629 | ||
4b9dfd5b AD |
630 | collect: function(iterator, context) { |
631 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
14f69488 AD |
632 | var results = []; |
633 | this.each(function(value, index) { | |
4b9dfd5b | 634 | results.push(iterator(value, index)); |
14f69488 AD |
635 | }); |
636 | return results; | |
637 | }, | |
638 | ||
4b9dfd5b AD |
639 | detect: function(iterator, context) { |
640 | iterator = iterator.bind(context); | |
14f69488 AD |
641 | var result; |
642 | this.each(function(value, index) { | |
643 | if (iterator(value, index)) { | |
644 | result = value; | |
645 | throw $break; | |
646 | } | |
647 | }); | |
648 | return result; | |
649 | }, | |
650 | ||
4b9dfd5b AD |
651 | findAll: function(iterator, context) { |
652 | iterator = iterator.bind(context); | |
14f69488 AD |
653 | var results = []; |
654 | this.each(function(value, index) { | |
655 | if (iterator(value, index)) | |
656 | results.push(value); | |
657 | }); | |
658 | return results; | |
659 | }, | |
660 | ||
4b9dfd5b AD |
661 | grep: function(filter, iterator, context) { |
662 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
14f69488 | 663 | var results = []; |
4b9dfd5b AD |
664 | |
665 | if (Object.isString(filter)) | |
666 | filter = new RegExp(filter); | |
667 | ||
14f69488 | 668 | this.each(function(value, index) { |
4b9dfd5b AD |
669 | if (filter.match(value)) |
670 | results.push(iterator(value, index)); | |
671 | }); | |
14f69488 AD |
672 | return results; |
673 | }, | |
674 | ||
675 | include: function(object) { | |
4b9dfd5b AD |
676 | if (Object.isFunction(this.indexOf)) |
677 | if (this.indexOf(object) != -1) return true; | |
678 | ||
14f69488 AD |
679 | var found = false; |
680 | this.each(function(value) { | |
681 | if (value == object) { | |
682 | found = true; | |
683 | throw $break; | |
684 | } | |
685 | }); | |
686 | return found; | |
687 | }, | |
688 | ||
5c656a9d | 689 | inGroupsOf: function(number, fillWith) { |
4b9dfd5b | 690 | fillWith = Object.isUndefined(fillWith) ? null : fillWith; |
5c656a9d AD |
691 | return this.eachSlice(number, function(slice) { |
692 | while(slice.length < number) slice.push(fillWith); | |
693 | return slice; | |
694 | }); | |
695 | }, | |
696 | ||
4b9dfd5b AD |
697 | inject: function(memo, iterator, context) { |
698 | iterator = iterator.bind(context); | |
14f69488 AD |
699 | this.each(function(value, index) { |
700 | memo = iterator(memo, value, index); | |
701 | }); | |
702 | return memo; | |
703 | }, | |
704 | ||
705 | invoke: function(method) { | |
706 | var args = $A(arguments).slice(1); | |
5c656a9d | 707 | return this.map(function(value) { |
14f69488 AD |
708 | return value[method].apply(value, args); |
709 | }); | |
710 | }, | |
711 | ||
4b9dfd5b AD |
712 | max: function(iterator, context) { |
713 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
14f69488 AD |
714 | var result; |
715 | this.each(function(value, index) { | |
4b9dfd5b AD |
716 | value = iterator(value, index); |
717 | if (result == null || value >= result) | |
14f69488 AD |
718 | result = value; |
719 | }); | |
720 | return result; | |
721 | }, | |
722 | ||
4b9dfd5b AD |
723 | min: function(iterator, context) { |
724 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
14f69488 AD |
725 | var result; |
726 | this.each(function(value, index) { | |
4b9dfd5b AD |
727 | value = iterator(value, index); |
728 | if (result == null || value < result) | |
14f69488 AD |
729 | result = value; |
730 | }); | |
731 | return result; | |
732 | }, | |
733 | ||
4b9dfd5b AD |
734 | partition: function(iterator, context) { |
735 | iterator = iterator ? iterator.bind(context) : Prototype.K; | |
14f69488 AD |
736 | var trues = [], falses = []; |
737 | this.each(function(value, index) { | |
4b9dfd5b | 738 | (iterator(value, index) ? |
14f69488 AD |
739 | trues : falses).push(value); |
740 | }); | |
741 | return [trues, falses]; | |
742 | }, | |
743 | ||
744 | pluck: function(property) { | |
745 | var results = []; | |
4b9dfd5b | 746 | this.each(function(value) { |
14f69488 AD |
747 | results.push(value[property]); |
748 | }); | |
749 | return results; | |
750 | }, | |
751 | ||
4b9dfd5b AD |
752 | reject: function(iterator, context) { |
753 | iterator = iterator.bind(context); | |
14f69488 AD |
754 | var results = []; |
755 | this.each(function(value, index) { | |
756 | if (!iterator(value, index)) | |
757 | results.push(value); | |
758 | }); | |
759 | return results; | |
760 | }, | |
761 | ||
4b9dfd5b AD |
762 | sortBy: function(iterator, context) { |
763 | iterator = iterator.bind(context); | |
5c656a9d | 764 | return this.map(function(value, index) { |
14f69488 AD |
765 | return {value: value, criteria: iterator(value, index)}; |
766 | }).sort(function(left, right) { | |
767 | var a = left.criteria, b = right.criteria; | |
768 | return a < b ? -1 : a > b ? 1 : 0; | |
769 | }).pluck('value'); | |
770 | }, | |
771 | ||
772 | toArray: function() { | |
5c656a9d | 773 | return this.map(); |
14f69488 AD |
774 | }, |
775 | ||
776 | zip: function() { | |
777 | var iterator = Prototype.K, args = $A(arguments); | |
4b9dfd5b | 778 | if (Object.isFunction(args.last())) |
14f69488 AD |
779 | iterator = args.pop(); |
780 | ||
781 | var collections = [this].concat(args).map($A); | |
782 | return this.map(function(value, index) { | |
5c656a9d | 783 | return iterator(collections.pluck(index)); |
14f69488 AD |
784 | }); |
785 | }, | |
786 | ||
5c656a9d AD |
787 | size: function() { |
788 | return this.toArray().length; | |
789 | }, | |
790 | ||
14f69488 AD |
791 | inspect: function() { |
792 | return '#<Enumerable:' + this.toArray().inspect() + '>'; | |
793 | } | |
4b9dfd5b | 794 | }; |
14f69488 AD |
795 | |
796 | Object.extend(Enumerable, { | |
797 | map: Enumerable.collect, | |
798 | find: Enumerable.detect, | |
799 | select: Enumerable.findAll, | |
4b9dfd5b | 800 | filter: Enumerable.findAll, |
14f69488 | 801 | member: Enumerable.include, |
4b9dfd5b AD |
802 | entries: Enumerable.toArray, |
803 | every: Enumerable.all, | |
804 | some: Enumerable.any | |
14f69488 | 805 | }); |
4b9dfd5b | 806 | function $A(iterable) { |
14f69488 | 807 | if (!iterable) return []; |
4b9dfd5b AD |
808 | if (iterable.toArray) return iterable.toArray(); |
809 | var length = iterable.length || 0, results = new Array(length); | |
810 | while (length--) results[length] = iterable[length]; | |
811 | return results; | |
812 | } | |
813 | ||
814 | if (Prototype.Browser.WebKit) { | |
815 | function $A(iterable) { | |
816 | if (!iterable) return []; | |
817 | if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') && | |
818 | iterable.toArray) return iterable.toArray(); | |
819 | var length = iterable.length || 0, results = new Array(length); | |
820 | while (length--) results[length] = iterable[length]; | |
14f69488 AD |
821 | return results; |
822 | } | |
823 | } | |
824 | ||
4b9dfd5b AD |
825 | Array.from = $A; |
826 | ||
14f69488 AD |
827 | Object.extend(Array.prototype, Enumerable); |
828 | ||
4b9dfd5b | 829 | if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse; |
14f69488 AD |
830 | |
831 | Object.extend(Array.prototype, { | |
832 | _each: function(iterator) { | |
5c656a9d | 833 | for (var i = 0, length = this.length; i < length; i++) |
14f69488 AD |
834 | iterator(this[i]); |
835 | }, | |
836 | ||
837 | clear: function() { | |
838 | this.length = 0; | |
839 | return this; | |
840 | }, | |
841 | ||
842 | first: function() { | |
843 | return this[0]; | |
844 | }, | |
845 | ||
846 | last: function() { | |
847 | return this[this.length - 1]; | |
848 | }, | |
849 | ||
850 | compact: function() { | |
851 | return this.select(function(value) { | |
5c656a9d | 852 | return value != null; |
14f69488 AD |
853 | }); |
854 | }, | |
855 | ||
856 | flatten: function() { | |
857 | return this.inject([], function(array, value) { | |
4b9dfd5b | 858 | return array.concat(Object.isArray(value) ? |
14f69488 AD |
859 | value.flatten() : [value]); |
860 | }); | |
861 | }, | |
862 | ||
863 | without: function() { | |
864 | var values = $A(arguments); | |
865 | return this.select(function(value) { | |
866 | return !values.include(value); | |
867 | }); | |
868 | }, | |
869 | ||
14f69488 AD |
870 | reverse: function(inline) { |
871 | return (inline !== false ? this : this.toArray())._reverse(); | |
872 | }, | |
873 | ||
5c656a9d AD |
874 | reduce: function() { |
875 | return this.length > 1 ? this : this[0]; | |
876 | }, | |
877 | ||
4b9dfd5b AD |
878 | uniq: function(sorted) { |
879 | return this.inject([], function(array, value, index) { | |
880 | if (0 == index || (sorted ? array.last() != value : !array.include(value))) | |
881 | array.push(value); | |
882 | return array; | |
883 | }); | |
884 | }, | |
885 | ||
886 | intersect: function(array) { | |
887 | return this.uniq().findAll(function(item) { | |
888 | return array.detect(function(value) { return item === value }); | |
5c656a9d AD |
889 | }); |
890 | }, | |
891 | ||
892 | clone: function() { | |
893 | return [].concat(this); | |
894 | }, | |
895 | ||
896 | size: function() { | |
897 | return this.length; | |
14f69488 AD |
898 | }, |
899 | ||
900 | inspect: function() { | |
901 | return '[' + this.map(Object.inspect).join(', ') + ']'; | |
4b9dfd5b AD |
902 | }, |
903 | ||
904 | toJSON: function() { | |
905 | var results = []; | |
906 | this.each(function(object) { | |
907 | var value = Object.toJSON(object); | |
908 | if (!Object.isUndefined(value)) results.push(value); | |
909 | }); | |
910 | return '[' + results.join(', ') + ']'; | |
14f69488 AD |
911 | } |
912 | }); | |
5c656a9d | 913 | |
4b9dfd5b AD |
914 | // use native browser JS 1.6 implementation if available |
915 | if (Object.isFunction(Array.prototype.forEach)) | |
916 | Array.prototype._each = Array.prototype.forEach; | |
917 | ||
918 | if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { | |
919 | i || (i = 0); | |
920 | var length = this.length; | |
921 | if (i < 0) i = length + i; | |
922 | for (; i < length; i++) | |
923 | if (this[i] === item) return i; | |
924 | return -1; | |
925 | }; | |
926 | ||
927 | if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) { | |
928 | i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1; | |
929 | var n = this.slice(0, i).reverse().indexOf(item); | |
930 | return (n < 0) ? n : i - n - 1; | |
931 | }; | |
932 | ||
5c656a9d AD |
933 | Array.prototype.toArray = Array.prototype.clone; |
934 | ||
4b9dfd5b AD |
935 | function $w(string) { |
936 | if (!Object.isString(string)) return []; | |
5c656a9d AD |
937 | string = string.strip(); |
938 | return string ? string.split(/\s+/) : []; | |
939 | } | |
940 | ||
4b9dfd5b AD |
941 | if (Prototype.Browser.Opera){ |
942 | Array.prototype.concat = function() { | |
5c656a9d | 943 | var array = []; |
4b9dfd5b AD |
944 | for (var i = 0, length = this.length; i < length; i++) array.push(this[i]); |
945 | for (var i = 0, length = arguments.length; i < length; i++) { | |
946 | if (Object.isArray(arguments[i])) { | |
947 | for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++) | |
5c656a9d AD |
948 | array.push(arguments[i][j]); |
949 | } else { | |
950 | array.push(arguments[i]); | |
951 | } | |
952 | } | |
953 | return array; | |
4b9dfd5b | 954 | }; |
5c656a9d | 955 | } |
4b9dfd5b AD |
956 | Object.extend(Number.prototype, { |
957 | toColorPart: function() { | |
958 | return this.toPaddedString(2, 16); | |
14f69488 AD |
959 | }, |
960 | ||
4b9dfd5b AD |
961 | succ: function() { |
962 | return this + 1; | |
14f69488 AD |
963 | }, |
964 | ||
4b9dfd5b AD |
965 | times: function(iterator) { |
966 | $R(0, this, true).each(iterator); | |
967 | return this; | |
5c656a9d AD |
968 | }, |
969 | ||
4b9dfd5b AD |
970 | toPaddedString: function(length, radix) { |
971 | var string = this.toString(radix || 10); | |
972 | return '0'.times(length - string.length) + string; | |
14f69488 AD |
973 | }, |
974 | ||
4b9dfd5b AD |
975 | toJSON: function() { |
976 | return isFinite(this) ? this.toString() : 'null'; | |
14f69488 | 977 | } |
5c656a9d | 978 | }); |
14f69488 | 979 | |
4b9dfd5b AD |
980 | $w('abs round ceil floor').each(function(method){ |
981 | Number.prototype[method] = Math[method].methodize(); | |
982 | }); | |
14f69488 | 983 | function $H(object) { |
5c656a9d AD |
984 | return new Hash(object); |
985 | }; | |
4b9dfd5b AD |
986 | |
987 | var Hash = Class.create(Enumerable, (function() { | |
988 | ||
989 | function toQueryPair(key, value) { | |
990 | if (Object.isUndefined(value)) return key; | |
991 | return key + '=' + encodeURIComponent(String.interpret(value)); | |
992 | } | |
993 | ||
994 | return { | |
995 | initialize: function(object) { | |
996 | this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); | |
997 | }, | |
998 | ||
999 | _each: function(iterator) { | |
1000 | for (var key in this._object) { | |
1001 | var value = this._object[key], pair = [key, value]; | |
1002 | pair.key = key; | |
1003 | pair.value = value; | |
1004 | iterator(pair); | |
1005 | } | |
1006 | }, | |
1007 | ||
1008 | set: function(key, value) { | |
1009 | return this._object[key] = value; | |
1010 | }, | |
1011 | ||
1012 | get: function(key) { | |
1013 | return this._object[key]; | |
1014 | }, | |
1015 | ||
1016 | unset: function(key) { | |
1017 | var value = this._object[key]; | |
1018 | delete this._object[key]; | |
1019 | return value; | |
1020 | }, | |
1021 | ||
1022 | toObject: function() { | |
1023 | return Object.clone(this._object); | |
1024 | }, | |
1025 | ||
1026 | keys: function() { | |
1027 | return this.pluck('key'); | |
1028 | }, | |
1029 | ||
1030 | values: function() { | |
1031 | return this.pluck('value'); | |
1032 | }, | |
1033 | ||
1034 | index: function(value) { | |
1035 | var match = this.detect(function(pair) { | |
1036 | return pair.value === value; | |
1037 | }); | |
1038 | return match && match.key; | |
1039 | }, | |
1040 | ||
1041 | merge: function(object) { | |
1042 | return this.clone().update(object); | |
1043 | }, | |
1044 | ||
1045 | update: function(object) { | |
1046 | return new Hash(object).inject(this, function(result, pair) { | |
1047 | result.set(pair.key, pair.value); | |
1048 | return result; | |
1049 | }); | |
1050 | }, | |
1051 | ||
1052 | toQueryString: function() { | |
1053 | return this.map(function(pair) { | |
1054 | var key = encodeURIComponent(pair.key), values = pair.value; | |
1055 | ||
1056 | if (values && typeof values == 'object') { | |
1057 | if (Object.isArray(values)) | |
1058 | return values.map(toQueryPair.curry(key)).join('&'); | |
1059 | } | |
1060 | return toQueryPair(key, values); | |
1061 | }).join('&'); | |
1062 | }, | |
1063 | ||
1064 | inspect: function() { | |
1065 | return '#<Hash:{' + this.map(function(pair) { | |
1066 | return pair.map(Object.inspect).join(': '); | |
1067 | }).join(', ') + '}>'; | |
1068 | }, | |
1069 | ||
1070 | toJSON: function() { | |
1071 | return Object.toJSON(this.toObject()); | |
1072 | }, | |
1073 | ||
1074 | clone: function() { | |
1075 | return new Hash(this); | |
1076 | } | |
1077 | } | |
1078 | })()); | |
1079 | ||
1080 | Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; | |
1081 | Hash.from = $H; | |
1082 | var ObjectRange = Class.create(Enumerable, { | |
14f69488 AD |
1083 | initialize: function(start, end, exclusive) { |
1084 | this.start = start; | |
1085 | this.end = end; | |
1086 | this.exclusive = exclusive; | |
1087 | }, | |
1088 | ||
1089 | _each: function(iterator) { | |
1090 | var value = this.start; | |
5c656a9d | 1091 | while (this.include(value)) { |
14f69488 AD |
1092 | iterator(value); |
1093 | value = value.succ(); | |
5c656a9d | 1094 | } |
14f69488 AD |
1095 | }, |
1096 | ||
1097 | include: function(value) { | |
1098 | if (value < this.start) | |
1099 | return false; | |
1100 | if (this.exclusive) | |
1101 | return value < this.end; | |
1102 | return value <= this.end; | |
1103 | } | |
1104 | }); | |
1105 | ||
1106 | var $R = function(start, end, exclusive) { | |
1107 | return new ObjectRange(start, end, exclusive); | |
4b9dfd5b | 1108 | }; |
14f69488 AD |
1109 | |
1110 | var Ajax = { | |
1111 | getTransport: function() { | |
1112 | return Try.these( | |
5c656a9d | 1113 | function() {return new XMLHttpRequest()}, |
14f69488 | 1114 | function() {return new ActiveXObject('Msxml2.XMLHTTP')}, |
5c656a9d | 1115 | function() {return new ActiveXObject('Microsoft.XMLHTTP')} |
14f69488 AD |
1116 | ) || false; |
1117 | }, | |
1118 | ||
1119 | activeRequestCount: 0 | |
4b9dfd5b | 1120 | }; |
14f69488 AD |
1121 | |
1122 | Ajax.Responders = { | |
1123 | responders: [], | |
1124 | ||
1125 | _each: function(iterator) { | |
1126 | this.responders._each(iterator); | |
1127 | }, | |
1128 | ||
5c656a9d AD |
1129 | register: function(responder) { |
1130 | if (!this.include(responder)) | |
1131 | this.responders.push(responder); | |
14f69488 AD |
1132 | }, |
1133 | ||
5c656a9d AD |
1134 | unregister: function(responder) { |
1135 | this.responders = this.responders.without(responder); | |
14f69488 AD |
1136 | }, |
1137 | ||
1138 | dispatch: function(callback, request, transport, json) { | |
1139 | this.each(function(responder) { | |
4b9dfd5b | 1140 | if (Object.isFunction(responder[callback])) { |
14f69488 AD |
1141 | try { |
1142 | responder[callback].apply(responder, [request, transport, json]); | |
4b9dfd5b | 1143 | } catch (e) { } |
14f69488 AD |
1144 | } |
1145 | }); | |
1146 | } | |
1147 | }; | |
1148 | ||
1149 | Object.extend(Ajax.Responders, Enumerable); | |
1150 | ||
1151 | Ajax.Responders.register({ | |
4b9dfd5b AD |
1152 | onCreate: function() { Ajax.activeRequestCount++ }, |
1153 | onComplete: function() { Ajax.activeRequestCount-- } | |
14f69488 AD |
1154 | }); |
1155 | ||
4b9dfd5b AD |
1156 | Ajax.Base = Class.create({ |
1157 | initialize: function(options) { | |
14f69488 AD |
1158 | this.options = { |
1159 | method: 'post', | |
1160 | asynchronous: true, | |
5c656a9d AD |
1161 | contentType: 'application/x-www-form-urlencoded', |
1162 | encoding: 'UTF-8', | |
4b9dfd5b AD |
1163 | parameters: '', |
1164 | evalJSON: true, | |
1165 | evalJS: true | |
1166 | }; | |
1167 | Object.extend(this.options, options || { }); | |
14f69488 | 1168 | |
5c656a9d | 1169 | this.options.method = this.options.method.toLowerCase(); |
4b9dfd5b AD |
1170 | |
1171 | if (Object.isString(this.options.parameters)) | |
5c656a9d | 1172 | this.options.parameters = this.options.parameters.toQueryParams(); |
4b9dfd5b AD |
1173 | else if (Object.isHash(this.options.parameters)) |
1174 | this.options.parameters = this.options.parameters.toObject(); | |
14f69488 | 1175 | } |
4b9dfd5b | 1176 | }); |
14f69488 | 1177 | |
4b9dfd5b | 1178 | Ajax.Request = Class.create(Ajax.Base, { |
5c656a9d AD |
1179 | _complete: false, |
1180 | ||
4b9dfd5b AD |
1181 | initialize: function($super, url, options) { |
1182 | $super(options); | |
14f69488 | 1183 | this.transport = Ajax.getTransport(); |
14f69488 AD |
1184 | this.request(url); |
1185 | }, | |
1186 | ||
1187 | request: function(url) { | |
5c656a9d AD |
1188 | this.url = url; |
1189 | this.method = this.options.method; | |
4b9dfd5b | 1190 | var params = Object.clone(this.options.parameters); |
14f69488 | 1191 | |
5c656a9d AD |
1192 | if (!['get', 'post'].include(this.method)) { |
1193 | // simulate other verbs over post | |
1194 | params['_method'] = this.method; | |
1195 | this.method = 'post'; | |
1196 | } | |
1197 | ||
4b9dfd5b | 1198 | this.parameters = params; |
14f69488 | 1199 | |
4b9dfd5b AD |
1200 | if (params = Object.toQueryString(params)) { |
1201 | // when GET, append parameters to URL | |
1202 | if (this.method == 'get') | |
1203 | this.url += (this.url.include('?') ? '&' : '?') + params; | |
1204 | else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) | |
1205 | params += '&_='; | |
1206 | } | |
5c656a9d AD |
1207 | |
1208 | try { | |
4b9dfd5b AD |
1209 | var response = new Ajax.Response(this); |
1210 | if (this.options.onCreate) this.options.onCreate(response); | |
1211 | Ajax.Responders.dispatch('onCreate', this, response); | |
14f69488 | 1212 | |
5c656a9d | 1213 | this.transport.open(this.method.toUpperCase(), this.url, |
14f69488 AD |
1214 | this.options.asynchronous); |
1215 | ||
4b9dfd5b | 1216 | if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1); |
14f69488 | 1217 | |
5c656a9d | 1218 | this.transport.onreadystatechange = this.onStateChange.bind(this); |
14f69488 AD |
1219 | this.setRequestHeaders(); |
1220 | ||
4b9dfd5b AD |
1221 | this.body = this.method == 'post' ? (this.options.postBody || params) : null; |
1222 | this.transport.send(this.body); | |
14f69488 | 1223 | |
5c656a9d AD |
1224 | /* Force Firefox to handle ready state 4 for synchronous requests */ |
1225 | if (!this.options.asynchronous && this.transport.overrideMimeType) | |
1226 | this.onStateChange(); | |
14f69488 | 1227 | |
14f69488 | 1228 | } |
5c656a9d AD |
1229 | catch (e) { |
1230 | this.dispatchException(e); | |
1231 | } | |
14f69488 AD |
1232 | }, |
1233 | ||
1234 | onStateChange: function() { | |
1235 | var readyState = this.transport.readyState; | |
5c656a9d | 1236 | if (readyState > 1 && !((readyState == 4) && this._complete)) |
14f69488 AD |
1237 | this.respondToReadyState(this.transport.readyState); |
1238 | }, | |
1239 | ||
5c656a9d AD |
1240 | setRequestHeaders: function() { |
1241 | var headers = { | |
1242 | 'X-Requested-With': 'XMLHttpRequest', | |
1243 | 'X-Prototype-Version': Prototype.Version, | |
1244 | 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' | |
1245 | }; | |
1246 | ||
1247 | if (this.method == 'post') { | |
1248 | headers['Content-type'] = this.options.contentType + | |
1249 | (this.options.encoding ? '; charset=' + this.options.encoding : ''); | |
1250 | ||
1251 | /* Force "Connection: close" for older Mozilla browsers to work | |
1252 | * around a bug where XMLHttpRequest sends an incorrect | |
1253 | * Content-length header. See Mozilla Bugzilla #246651. | |
1254 | */ | |
1255 | if (this.transport.overrideMimeType && | |
1256 | (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) | |
1257 | headers['Connection'] = 'close'; | |
1258 | } | |
14f69488 | 1259 | |
5c656a9d AD |
1260 | // user-defined headers |
1261 | if (typeof this.options.requestHeaders == 'object') { | |
1262 | var extras = this.options.requestHeaders; | |
14f69488 | 1263 | |
4b9dfd5b | 1264 | if (Object.isFunction(extras.push)) |
5c656a9d AD |
1265 | for (var i = 0, length = extras.length; i < length; i += 2) |
1266 | headers[extras[i]] = extras[i+1]; | |
1267 | else | |
1268 | $H(extras).each(function(pair) { headers[pair.key] = pair.value }); | |
14f69488 | 1269 | } |
5c656a9d AD |
1270 | |
1271 | for (var name in headers) | |
1272 | this.transport.setRequestHeader(name, headers[name]); | |
1273 | }, | |
1274 | ||
1275 | success: function() { | |
4b9dfd5b AD |
1276 | var status = this.getStatus(); |
1277 | return !status || (status >= 200 && status < 300); | |
1278 | }, | |
1279 | ||
1280 | getStatus: function() { | |
1281 | try { | |
1282 | return this.transport.status || 0; | |
1283 | } catch (e) { return 0 } | |
14f69488 AD |
1284 | }, |
1285 | ||
1286 | respondToReadyState: function(readyState) { | |
4b9dfd5b | 1287 | var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this); |
14f69488 | 1288 | |
5c656a9d | 1289 | if (state == 'Complete') { |
14f69488 | 1290 | try { |
5c656a9d | 1291 | this._complete = true; |
4b9dfd5b | 1292 | (this.options['on' + response.status] |
5c656a9d | 1293 | || this.options['on' + (this.success() ? 'Success' : 'Failure')] |
4b9dfd5b | 1294 | || Prototype.emptyFunction)(response, response.headerJSON); |
14f69488 AD |
1295 | } catch (e) { |
1296 | this.dispatchException(e); | |
1297 | } | |
1298 | ||
4b9dfd5b AD |
1299 | var contentType = response.getHeader('Content-type'); |
1300 | if (this.options.evalJS == 'force' | |
1301 | || (this.options.evalJS && contentType | |
1302 | && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) | |
1303 | this.evalResponse(); | |
14f69488 AD |
1304 | } |
1305 | ||
1306 | try { | |
4b9dfd5b AD |
1307 | (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON); |
1308 | Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON); | |
14f69488 AD |
1309 | } catch (e) { |
1310 | this.dispatchException(e); | |
1311 | } | |
1312 | ||
5c656a9d AD |
1313 | if (state == 'Complete') { |
1314 | // avoid memory leak in MSIE: clean up | |
14f69488 | 1315 | this.transport.onreadystatechange = Prototype.emptyFunction; |
5c656a9d AD |
1316 | } |
1317 | }, | |
1318 | ||
1319 | getHeader: function(name) { | |
1320 | try { | |
4b9dfd5b | 1321 | return this.transport.getResponseHeader(name) || null; |
5c656a9d AD |
1322 | } catch (e) { return null } |
1323 | }, | |
1324 | ||
1325 | evalResponse: function() { | |
1326 | try { | |
4b9dfd5b | 1327 | return eval((this.transport.responseText || '').unfilterJSON()); |
5c656a9d AD |
1328 | } catch (e) { |
1329 | this.dispatchException(e); | |
1330 | } | |
14f69488 AD |
1331 | }, |
1332 | ||
1333 | dispatchException: function(exception) { | |
1334 | (this.options.onException || Prototype.emptyFunction)(this, exception); | |
1335 | Ajax.Responders.dispatch('onException', this, exception); | |
1336 | } | |
1337 | }); | |
1338 | ||
4b9dfd5b AD |
1339 | Ajax.Request.Events = |
1340 | ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; | |
14f69488 | 1341 | |
4b9dfd5b AD |
1342 | Ajax.Response = Class.create({ |
1343 | initialize: function(request){ | |
1344 | this.request = request; | |
1345 | var transport = this.transport = request.transport, | |
1346 | readyState = this.readyState = transport.readyState; | |
1347 | ||
1348 | if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) { | |
1349 | this.status = this.getStatus(); | |
1350 | this.statusText = this.getStatusText(); | |
1351 | this.responseText = String.interpret(transport.responseText); | |
1352 | this.headerJSON = this._getHeaderJSON(); | |
14f69488 AD |
1353 | } |
1354 | ||
4b9dfd5b AD |
1355 | if(readyState == 4) { |
1356 | var xml = transport.responseXML; | |
1357 | this.responseXML = Object.isUndefined(xml) ? null : xml; | |
1358 | this.responseJSON = this._getResponseJSON(); | |
1359 | } | |
1360 | }, | |
14f69488 | 1361 | |
4b9dfd5b AD |
1362 | status: 0, |
1363 | statusText: '', | |
14f69488 | 1364 | |
4b9dfd5b AD |
1365 | getStatus: Ajax.Request.prototype.getStatus, |
1366 | ||
1367 | getStatusText: function() { | |
1368 | try { | |
1369 | return this.transport.statusText || ''; | |
1370 | } catch (e) { return '' } | |
14f69488 AD |
1371 | }, |
1372 | ||
4b9dfd5b | 1373 | getHeader: Ajax.Request.prototype.getHeader, |
14f69488 | 1374 | |
4b9dfd5b AD |
1375 | getAllHeaders: function() { |
1376 | try { | |
1377 | return this.getAllResponseHeaders(); | |
1378 | } catch (e) { return null } | |
1379 | }, | |
14f69488 | 1380 | |
4b9dfd5b AD |
1381 | getResponseHeader: function(name) { |
1382 | return this.transport.getResponseHeader(name); | |
1383 | }, | |
1384 | ||
1385 | getAllResponseHeaders: function() { | |
1386 | return this.transport.getAllResponseHeaders(); | |
1387 | }, | |
1388 | ||
1389 | _getHeaderJSON: function() { | |
1390 | var json = this.getHeader('X-JSON'); | |
1391 | if (!json) return null; | |
1392 | json = decodeURIComponent(escape(json)); | |
1393 | try { | |
1394 | return json.evalJSON(this.request.options.sanitizeJSON); | |
1395 | } catch (e) { | |
1396 | this.request.dispatchException(e); | |
1397 | } | |
1398 | }, | |
1399 | ||
1400 | _getResponseJSON: function() { | |
1401 | var options = this.request.options; | |
1402 | if (!options.evalJSON || (options.evalJSON != 'force' && | |
1403 | !(this.getHeader('Content-type') || '').include('application/json')) || | |
1404 | this.responseText.blank()) | |
1405 | return null; | |
1406 | try { | |
1407 | return this.responseText.evalJSON(options.sanitizeJSON); | |
1408 | } catch (e) { | |
1409 | this.request.dispatchException(e); | |
14f69488 | 1410 | } |
4b9dfd5b AD |
1411 | } |
1412 | }); | |
1413 | ||
1414 | Ajax.Updater = Class.create(Ajax.Request, { | |
1415 | initialize: function($super, container, url, options) { | |
1416 | this.container = { | |
1417 | success: (container.success || container), | |
1418 | failure: (container.failure || (container.success ? null : container)) | |
1419 | }; | |
1420 | ||
1421 | options = Object.clone(options); | |
1422 | var onComplete = options.onComplete; | |
1423 | options.onComplete = (function(response, json) { | |
1424 | this.updateContent(response.responseText); | |
1425 | if (Object.isFunction(onComplete)) onComplete(response, json); | |
1426 | }).bind(this); | |
1427 | ||
1428 | $super(url, options); | |
1429 | }, | |
1430 | ||
1431 | updateContent: function(responseText) { | |
1432 | var receiver = this.container[this.success() ? 'success' : 'failure'], | |
1433 | options = this.options; | |
14f69488 | 1434 | |
4b9dfd5b AD |
1435 | if (!options.evalScripts) responseText = responseText.stripScripts(); |
1436 | ||
1437 | if (receiver = $(receiver)) { | |
1438 | if (options.insertion) { | |
1439 | if (Object.isString(options.insertion)) { | |
1440 | var insertion = { }; insertion[options.insertion] = responseText; | |
1441 | receiver.insert(insertion); | |
1442 | } | |
1443 | else options.insertion(receiver, responseText); | |
1444 | } | |
1445 | else receiver.update(responseText); | |
14f69488 AD |
1446 | } |
1447 | } | |
1448 | }); | |
1449 | ||
4b9dfd5b AD |
1450 | Ajax.PeriodicalUpdater = Class.create(Ajax.Base, { |
1451 | initialize: function($super, container, url, options) { | |
1452 | $super(options); | |
14f69488 AD |
1453 | this.onComplete = this.options.onComplete; |
1454 | ||
1455 | this.frequency = (this.options.frequency || 2); | |
1456 | this.decay = (this.options.decay || 1); | |
1457 | ||
4b9dfd5b | 1458 | this.updater = { }; |
14f69488 AD |
1459 | this.container = container; |
1460 | this.url = url; | |
1461 | ||
1462 | this.start(); | |
1463 | }, | |
1464 | ||
1465 | start: function() { | |
1466 | this.options.onComplete = this.updateComplete.bind(this); | |
1467 | this.onTimerEvent(); | |
1468 | }, | |
1469 | ||
1470 | stop: function() { | |
5c656a9d | 1471 | this.updater.options.onComplete = undefined; |
14f69488 AD |
1472 | clearTimeout(this.timer); |
1473 | (this.onComplete || Prototype.emptyFunction).apply(this, arguments); | |
1474 | }, | |
1475 | ||
4b9dfd5b | 1476 | updateComplete: function(response) { |
14f69488 | 1477 | if (this.options.decay) { |
4b9dfd5b | 1478 | this.decay = (response.responseText == this.lastText ? |
14f69488 AD |
1479 | this.decay * this.options.decay : 1); |
1480 | ||
4b9dfd5b | 1481 | this.lastText = response.responseText; |
14f69488 | 1482 | } |
4b9dfd5b | 1483 | this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency); |
14f69488 AD |
1484 | }, |
1485 | ||
1486 | onTimerEvent: function() { | |
1487 | this.updater = new Ajax.Updater(this.container, this.url, this.options); | |
1488 | } | |
1489 | }); | |
5c656a9d AD |
1490 | function $(element) { |
1491 | if (arguments.length > 1) { | |
1492 | for (var i = 0, elements = [], length = arguments.length; i < length; i++) | |
1493 | elements.push($(arguments[i])); | |
14f69488 | 1494 | return elements; |
5c656a9d | 1495 | } |
4b9dfd5b | 1496 | if (Object.isString(element)) |
5c656a9d AD |
1497 | element = document.getElementById(element); |
1498 | return Element.extend(element); | |
1499 | } | |
1500 | ||
1501 | if (Prototype.BrowserFeatures.XPath) { | |
1502 | document._getElementsByXPath = function(expression, parentElement) { | |
1503 | var results = []; | |
1504 | var query = document.evaluate(expression, $(parentElement) || document, | |
1505 | null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); | |
1506 | for (var i = 0, length = query.snapshotLength; i < length; i++) | |
4b9dfd5b | 1507 | results.push(Element.extend(query.snapshotItem(i))); |
5c656a9d AD |
1508 | return results; |
1509 | }; | |
14f69488 AD |
1510 | } |
1511 | ||
1512 | /*--------------------------------------------------------------------------*/ | |
1513 | ||
4b9dfd5b AD |
1514 | if (!window.Node) var Node = { }; |
1515 | ||
1516 | if (!Node.ELEMENT_NODE) { | |
1517 | // DOM level 2 ECMAScript Language Binding | |
1518 | Object.extend(Node, { | |
1519 | ELEMENT_NODE: 1, | |
1520 | ATTRIBUTE_NODE: 2, | |
1521 | TEXT_NODE: 3, | |
1522 | CDATA_SECTION_NODE: 4, | |
1523 | ENTITY_REFERENCE_NODE: 5, | |
1524 | ENTITY_NODE: 6, | |
1525 | PROCESSING_INSTRUCTION_NODE: 7, | |
1526 | COMMENT_NODE: 8, | |
1527 | DOCUMENT_NODE: 9, | |
1528 | DOCUMENT_TYPE_NODE: 10, | |
1529 | DOCUMENT_FRAGMENT_NODE: 11, | |
1530 | NOTATION_NODE: 12 | |
1531 | }); | |
1532 | } | |
5c656a9d | 1533 | |
4b9dfd5b AD |
1534 | (function() { |
1535 | var element = this.Element; | |
1536 | this.Element = function(tagName, attributes) { | |
1537 | attributes = attributes || { }; | |
1538 | tagName = tagName.toLowerCase(); | |
1539 | var cache = Element.cache; | |
1540 | if (Prototype.Browser.IE && attributes.name) { | |
1541 | tagName = '<' + tagName + ' name="' + attributes.name + '">'; | |
1542 | delete attributes.name; | |
1543 | return Element.writeAttribute(document.createElement(tagName), attributes); | |
5c656a9d | 1544 | } |
4b9dfd5b AD |
1545 | if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName)); |
1546 | return Element.writeAttribute(cache[tagName].cloneNode(false), attributes); | |
1547 | }; | |
1548 | Object.extend(this.Element, element || { }); | |
1549 | }).call(window); | |
5c656a9d | 1550 | |
4b9dfd5b | 1551 | Element.cache = { }; |
5c656a9d AD |
1552 | |
1553 | Element.Methods = { | |
14f69488 AD |
1554 | visible: function(element) { |
1555 | return $(element).style.display != 'none'; | |
1556 | }, | |
1557 | ||
5c656a9d AD |
1558 | toggle: function(element) { |
1559 | element = $(element); | |
1560 | Element[Element.visible(element) ? 'hide' : 'show'](element); | |
1561 | return element; | |
14f69488 AD |
1562 | }, |
1563 | ||
5c656a9d AD |
1564 | hide: function(element) { |
1565 | $(element).style.display = 'none'; | |
1566 | return element; | |
14f69488 AD |
1567 | }, |
1568 | ||
5c656a9d AD |
1569 | show: function(element) { |
1570 | $(element).style.display = ''; | |
1571 | return element; | |
14f69488 AD |
1572 | }, |
1573 | ||
1574 | remove: function(element) { | |
1575 | element = $(element); | |
1576 | element.parentNode.removeChild(element); | |
5c656a9d | 1577 | return element; |
14f69488 AD |
1578 | }, |
1579 | ||
4b9dfd5b AD |
1580 | update: function(element, content) { |
1581 | element = $(element); | |
1582 | if (content && content.toElement) content = content.toElement(); | |
1583 | if (Object.isElement(content)) return element.update().insert(content); | |
1584 | content = Object.toHTML(content); | |
1585 | element.innerHTML = content.stripScripts(); | |
1586 | content.evalScripts.bind(content).defer(); | |
5c656a9d | 1587 | return element; |
14f69488 AD |
1588 | }, |
1589 | ||
4b9dfd5b | 1590 | replace: function(element, content) { |
5c656a9d | 1591 | element = $(element); |
4b9dfd5b AD |
1592 | if (content && content.toElement) content = content.toElement(); |
1593 | else if (!Object.isElement(content)) { | |
1594 | content = Object.toHTML(content); | |
5c656a9d | 1595 | var range = element.ownerDocument.createRange(); |
4b9dfd5b AD |
1596 | range.selectNode(element); |
1597 | content.evalScripts.bind(content).defer(); | |
1598 | content = range.createContextualFragment(content.stripScripts()); | |
5c656a9d | 1599 | } |
4b9dfd5b | 1600 | element.parentNode.replaceChild(content, element); |
5c656a9d AD |
1601 | return element; |
1602 | }, | |
1603 | ||
4b9dfd5b AD |
1604 | insert: function(element, insertions) { |
1605 | element = $(element); | |
1606 | ||
1607 | if (Object.isString(insertions) || Object.isNumber(insertions) || | |
1608 | Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML))) | |
1609 | insertions = {bottom:insertions}; | |
1610 | ||
1611 | var content, insert, tagName, childNodes; | |
1612 | ||
1613 | for (position in insertions) { | |
1614 | content = insertions[position]; | |
1615 | position = position.toLowerCase(); | |
1616 | insert = Element._insertionTranslations[position]; | |
1617 | ||
1618 | if (content && content.toElement) content = content.toElement(); | |
1619 | if (Object.isElement(content)) { | |
1620 | insert(element, content); | |
1621 | continue; | |
1622 | } | |
1623 | ||
1624 | content = Object.toHTML(content); | |
1625 | ||
1626 | tagName = ((position == 'before' || position == 'after') | |
1627 | ? element.parentNode : element).tagName.toUpperCase(); | |
1628 | ||
1629 | childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); | |
1630 | ||
1631 | if (position == 'top' || position == 'after') childNodes.reverse(); | |
1632 | childNodes.each(insert.curry(element)); | |
1633 | ||
1634 | content.evalScripts.bind(content).defer(); | |
1635 | } | |
1636 | ||
1637 | return element; | |
1638 | }, | |
1639 | ||
1640 | wrap: function(element, wrapper, attributes) { | |
1641 | element = $(element); | |
1642 | if (Object.isElement(wrapper)) | |
1643 | $(wrapper).writeAttribute(attributes || { }); | |
1644 | else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes); | |
1645 | else wrapper = new Element('div', wrapper); | |
1646 | if (element.parentNode) | |
1647 | element.parentNode.replaceChild(wrapper, element); | |
1648 | wrapper.appendChild(element); | |
1649 | return wrapper; | |
1650 | }, | |
1651 | ||
5c656a9d AD |
1652 | inspect: function(element) { |
1653 | element = $(element); | |
1654 | var result = '<' + element.tagName.toLowerCase(); | |
1655 | $H({'id': 'id', 'className': 'class'}).each(function(pair) { | |
1656 | var property = pair.first(), attribute = pair.last(); | |
1657 | var value = (element[property] || '').toString(); | |
1658 | if (value) result += ' ' + attribute + '=' + value.inspect(true); | |
1659 | }); | |
1660 | return result + '>'; | |
1661 | }, | |
1662 | ||
1663 | recursivelyCollect: function(element, property) { | |
1664 | element = $(element); | |
1665 | var elements = []; | |
1666 | while (element = element[property]) | |
1667 | if (element.nodeType == 1) | |
1668 | elements.push(Element.extend(element)); | |
1669 | return elements; | |
1670 | }, | |
1671 | ||
1672 | ancestors: function(element) { | |
1673 | return $(element).recursivelyCollect('parentNode'); | |
1674 | }, | |
1675 | ||
1676 | descendants: function(element) { | |
4b9dfd5b AD |
1677 | return $(element).getElementsBySelector("*"); |
1678 | }, | |
1679 | ||
1680 | firstDescendant: function(element) { | |
1681 | element = $(element).firstChild; | |
1682 | while (element && element.nodeType != 1) element = element.nextSibling; | |
1683 | return $(element); | |
5c656a9d AD |
1684 | }, |
1685 | ||
1686 | immediateDescendants: function(element) { | |
1687 | if (!(element = $(element).firstChild)) return []; | |
1688 | while (element && element.nodeType != 1) element = element.nextSibling; | |
1689 | if (element) return [element].concat($(element).nextSiblings()); | |
1690 | return []; | |
1691 | }, | |
1692 | ||
1693 | previousSiblings: function(element) { | |
1694 | return $(element).recursivelyCollect('previousSibling'); | |
1695 | }, | |
1696 | ||
1697 | nextSiblings: function(element) { | |
1698 | return $(element).recursivelyCollect('nextSibling'); | |
1699 | }, | |
1700 | ||
1701 | siblings: function(element) { | |
14f69488 | 1702 | element = $(element); |
5c656a9d AD |
1703 | return element.previousSiblings().reverse().concat(element.nextSiblings()); |
1704 | }, | |
1705 | ||
1706 | match: function(element, selector) { | |
4b9dfd5b | 1707 | if (Object.isString(selector)) |
5c656a9d AD |
1708 | selector = new Selector(selector); |
1709 | return selector.match($(element)); | |
1710 | }, | |
1711 | ||
1712 | up: function(element, expression, index) { | |
4b9dfd5b AD |
1713 | element = $(element); |
1714 | if (arguments.length == 1) return $(element.parentNode); | |
1715 | var ancestors = element.ancestors(); | |
1716 | return Object.isNumber(expression) ? ancestors[expression] : | |
1717 | Selector.findElement(ancestors, expression, index); | |
5c656a9d AD |
1718 | }, |
1719 | ||
1720 | down: function(element, expression, index) { | |
4b9dfd5b AD |
1721 | element = $(element); |
1722 | if (arguments.length == 1) return element.firstDescendant(); | |
1723 | return Object.isNumber(expression) ? element.descendants()[expression] : | |
1724 | element.select(expression)[index || 0]; | |
5c656a9d AD |
1725 | }, |
1726 | ||
1727 | previous: function(element, expression, index) { | |
4b9dfd5b AD |
1728 | element = $(element); |
1729 | if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element)); | |
1730 | var previousSiblings = element.previousSiblings(); | |
1731 | return Object.isNumber(expression) ? previousSiblings[expression] : | |
1732 | Selector.findElement(previousSiblings, expression, index); | |
5c656a9d AD |
1733 | }, |
1734 | ||
1735 | next: function(element, expression, index) { | |
4b9dfd5b AD |
1736 | element = $(element); |
1737 | if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element)); | |
1738 | var nextSiblings = element.nextSiblings(); | |
1739 | return Object.isNumber(expression) ? nextSiblings[expression] : | |
1740 | Selector.findElement(nextSiblings, expression, index); | |
5c656a9d AD |
1741 | }, |
1742 | ||
4b9dfd5b | 1743 | select: function() { |
5c656a9d AD |
1744 | var args = $A(arguments), element = $(args.shift()); |
1745 | return Selector.findChildElements(element, args); | |
1746 | }, | |
1747 | ||
4b9dfd5b AD |
1748 | adjacent: function() { |
1749 | var args = $A(arguments), element = $(args.shift()); | |
1750 | return Selector.findChildElements(element.parentNode, args).without(element); | |
1751 | }, | |
1752 | ||
1753 | identify: function(element) { | |
1754 | element = $(element); | |
1755 | var id = element.readAttribute('id'), self = arguments.callee; | |
1756 | if (id) return id; | |
1757 | do { id = 'anonymous_element_' + self.counter++ } while ($(id)); | |
1758 | element.writeAttribute('id', id); | |
1759 | return id; | |
5c656a9d AD |
1760 | }, |
1761 | ||
1762 | readAttribute: function(element, name) { | |
1763 | element = $(element); | |
4b9dfd5b AD |
1764 | if (Prototype.Browser.IE) { |
1765 | var t = Element._attributeTranslations.read; | |
5c656a9d | 1766 | if (t.values[name]) return t.values[name](element, name); |
4b9dfd5b AD |
1767 | if (t.names[name]) name = t.names[name]; |
1768 | if (name.include(':')) { | |
1769 | return (!element.attributes || !element.attributes[name]) ? null : | |
1770 | element.attributes[name].value; | |
1771 | } | |
5c656a9d AD |
1772 | } |
1773 | return element.getAttribute(name); | |
1774 | }, | |
1775 | ||
4b9dfd5b AD |
1776 | writeAttribute: function(element, name, value) { |
1777 | element = $(element); | |
1778 | var attributes = { }, t = Element._attributeTranslations.write; | |
1779 | ||
1780 | if (typeof name == 'object') attributes = name; | |
1781 | else attributes[name] = Object.isUndefined(value) ? true : value; | |
1782 | ||
1783 | for (var attr in attributes) { | |
1784 | name = t.names[attr] || attr; | |
1785 | value = attributes[attr]; | |
1786 | if (t.values[attr]) name = t.values[attr](element, value); | |
1787 | if (value === false || value === null) | |
1788 | element.removeAttribute(name); | |
1789 | else if (value === true) | |
1790 | element.setAttribute(name, name); | |
1791 | else element.setAttribute(name, value); | |
1792 | } | |
1793 | return element; | |
1794 | }, | |
1795 | ||
5c656a9d AD |
1796 | getHeight: function(element) { |
1797 | return $(element).getDimensions().height; | |
1798 | }, | |
1799 | ||
1800 | getWidth: function(element) { | |
1801 | return $(element).getDimensions().width; | |
14f69488 AD |
1802 | }, |
1803 | ||
1804 | classNames: function(element) { | |
1805 | return new Element.ClassNames(element); | |
1806 | }, | |
1807 | ||
1808 | hasClassName: function(element, className) { | |
1809 | if (!(element = $(element))) return; | |
5c656a9d | 1810 | var elementClassName = element.className; |
4b9dfd5b AD |
1811 | return (elementClassName.length > 0 && (elementClassName == className || |
1812 | new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName))); | |
14f69488 AD |
1813 | }, |
1814 | ||
1815 | addClassName: function(element, className) { | |
1816 | if (!(element = $(element))) return; | |
4b9dfd5b AD |
1817 | if (!element.hasClassName(className)) |
1818 | element.className += (element.className ? ' ' : '') + className; | |
5c656a9d | 1819 | return element; |
14f69488 AD |
1820 | }, |
1821 | ||
1822 | removeClassName: function(element, className) { | |
1823 | if (!(element = $(element))) return; | |
4b9dfd5b AD |
1824 | element.className = element.className.replace( |
1825 | new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip(); | |
5c656a9d AD |
1826 | return element; |
1827 | }, | |
1828 | ||
1829 | toggleClassName: function(element, className) { | |
1830 | if (!(element = $(element))) return; | |
4b9dfd5b AD |
1831 | return element[element.hasClassName(className) ? |
1832 | 'removeClassName' : 'addClassName'](className); | |
14f69488 AD |
1833 | }, |
1834 | ||
1835 | // removes whitespace-only text node children | |
1836 | cleanWhitespace: function(element) { | |
1837 | element = $(element); | |
5c656a9d AD |
1838 | var node = element.firstChild; |
1839 | while (node) { | |
1840 | var nextNode = node.nextSibling; | |
14f69488 | 1841 | if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) |
5c656a9d AD |
1842 | element.removeChild(node); |
1843 | node = nextNode; | |
14f69488 | 1844 | } |
5c656a9d | 1845 | return element; |
14f69488 AD |
1846 | }, |
1847 | ||
1848 | empty: function(element) { | |
4b9dfd5b | 1849 | return $(element).innerHTML.blank(); |
14f69488 AD |
1850 | }, |
1851 | ||
5c656a9d AD |
1852 | descendantOf: function(element, ancestor) { |
1853 | element = $(element), ancestor = $(ancestor); | |
4b9dfd5b AD |
1854 | var originalAncestor = ancestor; |
1855 | ||
1856 | if (element.compareDocumentPosition) | |
1857 | return (element.compareDocumentPosition(ancestor) & 8) === 8; | |
1858 | ||
1859 | if (element.sourceIndex && !Prototype.Browser.Opera) { | |
1860 | var e = element.sourceIndex, a = ancestor.sourceIndex, | |
1861 | nextAncestor = ancestor.nextSibling; | |
1862 | if (!nextAncestor) { | |
1863 | do { ancestor = ancestor.parentNode; } | |
1864 | while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode); | |
1865 | } | |
1866 | if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex); | |
1867 | } | |
1868 | ||
5c656a9d | 1869 | while (element = element.parentNode) |
4b9dfd5b | 1870 | if (element == originalAncestor) return true; |
5c656a9d AD |
1871 | return false; |
1872 | }, | |
1873 | ||
14f69488 AD |
1874 | scrollTo: function(element) { |
1875 | element = $(element); | |
4b9dfd5b | 1876 | var pos = element.cumulativeOffset(); |
5c656a9d AD |
1877 | window.scrollTo(pos[0], pos[1]); |
1878 | return element; | |
14f69488 AD |
1879 | }, |
1880 | ||
1881 | getStyle: function(element, style) { | |
1882 | element = $(element); | |
4b9dfd5b | 1883 | style = style == 'float' ? 'cssFloat' : style.camelize(); |
5c656a9d | 1884 | var value = element.style[style]; |
14f69488 | 1885 | if (!value) { |
4b9dfd5b AD |
1886 | var css = document.defaultView.getComputedStyle(element, null); |
1887 | value = css ? css[style] : null; | |
14f69488 | 1888 | } |
4b9dfd5b AD |
1889 | if (style == 'opacity') return value ? parseFloat(value) : 1.0; |
1890 | return value == 'auto' ? null : value; | |
1891 | }, | |
14f69488 | 1892 | |
4b9dfd5b AD |
1893 | getOpacity: function(element) { |
1894 | return $(element).getStyle('opacity'); | |
1895 | }, | |
5c656a9d | 1896 | |
4b9dfd5b AD |
1897 | setStyle: function(element, styles) { |
1898 | element = $(element); | |
1899 | var elementStyle = element.style, match; | |
1900 | if (Object.isString(styles)) { | |
1901 | element.style.cssText += ';' + styles; | |
1902 | return styles.include('opacity') ? | |
1903 | element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element; | |
5c656a9d | 1904 | } |
4b9dfd5b AD |
1905 | for (var property in styles) |
1906 | if (property == 'opacity') element.setOpacity(styles[property]); | |
1907 | else | |
1908 | elementStyle[(property == 'float' || property == 'cssFloat') ? | |
1909 | (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') : | |
1910 | property] = styles[property]; | |
1911 | ||
1912 | return element; | |
14f69488 AD |
1913 | }, |
1914 | ||
4b9dfd5b | 1915 | setOpacity: function(element, value) { |
14f69488 | 1916 | element = $(element); |
4b9dfd5b AD |
1917 | element.style.opacity = (value == 1 || value === '') ? '' : |
1918 | (value < 0.00001) ? 0 : value; | |
5c656a9d | 1919 | return element; |
14f69488 AD |
1920 | }, |
1921 | ||
1922 | getDimensions: function(element) { | |
1923 | element = $(element); | |
5c656a9d AD |
1924 | var display = $(element).getStyle('display'); |
1925 | if (display != 'none' && display != null) // Safari bug | |
14f69488 AD |
1926 | return {width: element.offsetWidth, height: element.offsetHeight}; |
1927 | ||
1928 | // All *Width and *Height properties give 0 on elements with display none, | |
1929 | // so enable the element temporarily | |
1930 | var els = element.style; | |
1931 | var originalVisibility = els.visibility; | |
1932 | var originalPosition = els.position; | |
5c656a9d | 1933 | var originalDisplay = els.display; |
14f69488 AD |
1934 | els.visibility = 'hidden'; |
1935 | els.position = 'absolute'; | |
5c656a9d | 1936 | els.display = 'block'; |
14f69488 AD |
1937 | var originalWidth = element.clientWidth; |
1938 | var originalHeight = element.clientHeight; | |
5c656a9d | 1939 | els.display = originalDisplay; |
14f69488 AD |
1940 | els.position = originalPosition; |
1941 | els.visibility = originalVisibility; | |
1942 | return {width: originalWidth, height: originalHeight}; | |
1943 | }, | |
1944 | ||
1945 | makePositioned: function(element) { | |
1946 | element = $(element); | |
1947 | var pos = Element.getStyle(element, 'position'); | |
1948 | if (pos == 'static' || !pos) { | |
1949 | element._madePositioned = true; | |
1950 | element.style.position = 'relative'; | |
1951 | // Opera returns the offset relative to the positioning context, when an | |
1952 | // element is position relative but top and left have not been defined | |
1953 | if (window.opera) { | |
1954 | element.style.top = 0; | |
1955 | element.style.left = 0; | |
1956 | } | |
1957 | } | |
5c656a9d | 1958 | return element; |
14f69488 AD |
1959 | }, |
1960 | ||
1961 | undoPositioned: function(element) { | |
1962 | element = $(element); | |
1963 | if (element._madePositioned) { | |
1964 | element._madePositioned = undefined; | |
1965 | element.style.position = | |
1966 | element.style.top = | |
1967 | element.style.left = | |
1968 | element.style.bottom = | |
1969 | element.style.right = ''; | |
1970 | } | |
5c656a9d | 1971 | return element; |
14f69488 AD |
1972 | }, |
1973 | ||
1974 | makeClipping: function(element) { | |
1975 | element = $(element); | |
5c656a9d | 1976 | if (element._overflow) return element; |
4b9dfd5b AD |
1977 | element._overflow = Element.getStyle(element, 'overflow') || 'auto'; |
1978 | if (element._overflow !== 'hidden') | |
14f69488 | 1979 | element.style.overflow = 'hidden'; |
5c656a9d | 1980 | return element; |
14f69488 AD |
1981 | }, |
1982 | ||
1983 | undoClipping: function(element) { | |
1984 | element = $(element); | |
5c656a9d AD |
1985 | if (!element._overflow) return element; |
1986 | element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; | |
1987 | element._overflow = null; | |
1988 | return element; | |
5c656a9d AD |
1989 | }, |
1990 | ||
4b9dfd5b AD |
1991 | cumulativeOffset: function(element) { |
1992 | var valueT = 0, valueL = 0; | |
1993 | do { | |
1994 | valueT += element.offsetTop || 0; | |
1995 | valueL += element.offsetLeft || 0; | |
1996 | element = element.offsetParent; | |
1997 | } while (element); | |
1998 | return Element._returnOffset(valueL, valueT); | |
5c656a9d AD |
1999 | }, |
2000 | ||
4b9dfd5b AD |
2001 | positionedOffset: function(element) { |
2002 | var valueT = 0, valueL = 0; | |
2003 | do { | |
2004 | valueT += element.offsetTop || 0; | |
2005 | valueL += element.offsetLeft || 0; | |
2006 | element = element.offsetParent; | |
2007 | if (element) { | |
2008 | if (element.tagName == 'BODY') break; | |
2009 | var p = Element.getStyle(element, 'position'); | |
2010 | if (p == 'relative' || p == 'absolute') break; | |
2011 | } | |
2012 | } while (element); | |
2013 | return Element._returnOffset(valueL, valueT); | |
5c656a9d AD |
2014 | }, |
2015 | ||
4b9dfd5b | 2016 | absolutize: function(element) { |
5c656a9d | 2017 | element = $(element); |
4b9dfd5b AD |
2018 | if (element.getStyle('position') == 'absolute') return; |
2019 | // Position.prepare(); // To be done manually by Scripty when it needs it. | |
5c656a9d | 2020 | |
4b9dfd5b AD |
2021 | var offsets = element.positionedOffset(); |
2022 | var top = offsets[1]; | |
2023 | var left = offsets[0]; | |
2024 | var width = element.clientWidth; | |
2025 | var height = element.clientHeight; | |
5c656a9d | 2026 | |
4b9dfd5b AD |
2027 | element._originalLeft = left - parseFloat(element.style.left || 0); |
2028 | element._originalTop = top - parseFloat(element.style.top || 0); | |
2029 | element._originalWidth = element.style.width; | |
2030 | element._originalHeight = element.style.height; | |
14f69488 | 2031 | |
4b9dfd5b AD |
2032 | element.style.position = 'absolute'; |
2033 | element.style.top = top + 'px'; | |
2034 | element.style.left = left + 'px'; | |
2035 | element.style.width = width + 'px'; | |
2036 | element.style.height = height + 'px'; | |
2037 | return element; | |
2038 | }, | |
14f69488 | 2039 | |
4b9dfd5b AD |
2040 | relativize: function(element) { |
2041 | element = $(element); | |
2042 | if (element.getStyle('position') == 'relative') return; | |
2043 | // Position.prepare(); // To be done manually by Scripty when it needs it. | |
14f69488 | 2044 | |
4b9dfd5b AD |
2045 | element.style.position = 'relative'; |
2046 | var top = parseFloat(element.style.top || 0) - (element._originalTop || 0); | |
2047 | var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0); | |
14f69488 | 2048 | |
4b9dfd5b AD |
2049 | element.style.top = top + 'px'; |
2050 | element.style.left = left + 'px'; | |
2051 | element.style.height = element._originalHeight; | |
2052 | element.style.width = element._originalWidth; | |
2053 | return element; | |
2054 | }, | |
14f69488 | 2055 | |
4b9dfd5b AD |
2056 | cumulativeScrollOffset: function(element) { |
2057 | var valueT = 0, valueL = 0; | |
2058 | do { | |
2059 | valueT += element.scrollTop || 0; | |
2060 | valueL += element.scrollLeft || 0; | |
2061 | element = element.parentNode; | |
2062 | } while (element); | |
2063 | return Element._returnOffset(valueL, valueT); | |
14f69488 AD |
2064 | }, |
2065 | ||
4b9dfd5b AD |
2066 | getOffsetParent: function(element) { |
2067 | if (element.offsetParent) return $(element.offsetParent); | |
2068 | if (element == document.body) return $(element); | |
14f69488 | 2069 | |
4b9dfd5b AD |
2070 | while ((element = element.parentNode) && element != document.body) |
2071 | if (Element.getStyle(element, 'position') != 'static') | |
2072 | return $(element); | |
14f69488 | 2073 | |
4b9dfd5b | 2074 | return $(document.body); |
14f69488 AD |
2075 | }, |
2076 | ||
4b9dfd5b AD |
2077 | viewportOffset: function(forElement) { |
2078 | var valueT = 0, valueL = 0; | |
14f69488 | 2079 | |
4b9dfd5b AD |
2080 | var element = forElement; |
2081 | do { | |
2082 | valueT += element.offsetTop || 0; | |
2083 | valueL += element.offsetLeft || 0; | |
14f69488 | 2084 | |
4b9dfd5b AD |
2085 | // Safari fix |
2086 | if (element.offsetParent == document.body && | |
2087 | Element.getStyle(element, 'position') == 'absolute') break; | |
14f69488 | 2088 | |
4b9dfd5b | 2089 | } while (element = element.offsetParent); |
14f69488 | 2090 | |
4b9dfd5b AD |
2091 | element = forElement; |
2092 | do { | |
2093 | if (!Prototype.Browser.Opera || element.tagName == 'BODY') { | |
2094 | valueT -= element.scrollTop || 0; | |
2095 | valueL -= element.scrollLeft || 0; | |
2096 | } | |
2097 | } while (element = element.parentNode); | |
14f69488 | 2098 | |
4b9dfd5b | 2099 | return Element._returnOffset(valueL, valueT); |
14f69488 AD |
2100 | }, |
2101 | ||
4b9dfd5b AD |
2102 | clonePosition: function(element, source) { |
2103 | var options = Object.extend({ | |
2104 | setLeft: true, | |
2105 | setTop: true, | |
2106 | setWidth: true, | |
2107 | setHeight: true, | |
2108 | offsetTop: 0, | |
2109 | offsetLeft: 0 | |
2110 | }, arguments[2] || { }); | |
2111 | ||
2112 | // find page position of source | |
2113 | source = $(source); | |
2114 | var p = source.viewportOffset(); | |
2115 | ||
2116 | // find coordinate system to use | |
2117 | element = $(element); | |
2118 | var delta = [0, 0]; | |
2119 | var parent = null; | |
2120 | // delta [0,0] will do fine with position: fixed elements, | |
2121 | // position:absolute needs offsetParent deltas | |
2122 | if (Element.getStyle(element, 'position') == 'absolute') { | |
2123 | parent = element.getOffsetParent(); | |
2124 | delta = parent.viewportOffset(); | |
2125 | } | |
2126 | ||
2127 | // correct by body offsets (fixes Safari) | |
2128 | if (parent == document.body) { | |
2129 | delta[0] -= document.body.offsetLeft; | |
2130 | delta[1] -= document.body.offsetTop; | |
2131 | } | |
2132 | ||
2133 | // set position | |
2134 | if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px'; | |
2135 | if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px'; | |
2136 | if (options.setWidth) element.style.width = source.offsetWidth + 'px'; | |
2137 | if (options.setHeight) element.style.height = source.offsetHeight + 'px'; | |
2138 | return element; | |
2139 | } | |
2140 | }; | |
2141 | ||
2142 | Element.Methods.identify.counter = 1; | |
2143 | ||
2144 | Object.extend(Element.Methods, { | |
2145 | getElementsBySelector: Element.Methods.select, | |
2146 | childElements: Element.Methods.immediateDescendants | |
14f69488 AD |
2147 | }); |
2148 | ||
4b9dfd5b AD |
2149 | Element._attributeTranslations = { |
2150 | write: { | |
2151 | names: { | |
2152 | className: 'class', | |
2153 | htmlFor: 'for' | |
2154 | }, | |
2155 | values: { } | |
2156 | } | |
2157 | }; | |
14f69488 | 2158 | |
4b9dfd5b AD |
2159 | if (Prototype.Browser.Opera) { |
2160 | Element.Methods.getStyle = Element.Methods.getStyle.wrap( | |
2161 | function(proceed, element, style) { | |
2162 | switch (style) { | |
2163 | case 'left': case 'top': case 'right': case 'bottom': | |
2164 | if (proceed(element, 'position') === 'static') return null; | |
2165 | case 'height': case 'width': | |
2166 | // returns '0px' for hidden elements; we want it to return null | |
2167 | if (!Element.visible(element)) return null; | |
2168 | ||
2169 | // returns the border-box dimensions rather than the content-box | |
2170 | // dimensions, so we subtract padding and borders from the value | |
2171 | var dim = parseInt(proceed(element, style), 10); | |
2172 | ||
2173 | if (dim !== element['offset' + style.capitalize()]) | |
2174 | return dim + 'px'; | |
2175 | ||
2176 | var properties; | |
2177 | if (style === 'height') { | |
2178 | properties = ['border-top-width', 'padding-top', | |
2179 | 'padding-bottom', 'border-bottom-width']; | |
2180 | } | |
2181 | else { | |
2182 | properties = ['border-left-width', 'padding-left', | |
2183 | 'padding-right', 'border-right-width']; | |
2184 | } | |
2185 | return properties.inject(dim, function(memo, property) { | |
2186 | var val = proceed(element, property); | |
2187 | return val === null ? memo : memo - parseInt(val, 10); | |
2188 | }) + 'px'; | |
2189 | default: return proceed(element, style); | |
2190 | } | |
2191 | } | |
2192 | ); | |
14f69488 | 2193 | |
4b9dfd5b AD |
2194 | Element.Methods.readAttribute = Element.Methods.readAttribute.wrap( |
2195 | function(proceed, element, attribute) { | |
2196 | if (attribute === 'title') return element.title; | |
2197 | return proceed(element, attribute); | |
2198 | } | |
2199 | ); | |
2200 | } | |
2201 | ||
2202 | else if (Prototype.Browser.IE) { | |
2203 | $w('positionedOffset getOffsetParent viewportOffset').each(function(method) { | |
2204 | Element.Methods[method] = Element.Methods[method].wrap( | |
2205 | function(proceed, element) { | |
2206 | element = $(element); | |
2207 | var position = element.getStyle('position'); | |
2208 | if (position != 'static') return proceed(element); | |
2209 | element.setStyle({ position: 'relative' }); | |
2210 | var value = proceed(element); | |
2211 | element.setStyle({ position: position }); | |
2212 | return value; | |
2213 | } | |
2214 | ); | |
2215 | }); | |
2216 | ||
2217 | Element.Methods.getStyle = function(element, style) { | |
2218 | element = $(element); | |
2219 | style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize(); | |
2220 | var value = element.style[style]; | |
2221 | if (!value && element.currentStyle) value = element.currentStyle[style]; | |
2222 | ||
2223 | if (style == 'opacity') { | |
2224 | if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/)) | |
2225 | if (value[1]) return parseFloat(value[1]) / 100; | |
2226 | return 1.0; | |
2227 | } | |
2228 | ||
2229 | if (value == 'auto') { | |
2230 | if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none')) | |
2231 | return element['offset' + style.capitalize()] + 'px'; | |
2232 | return null; | |
2233 | } | |
2234 | return value; | |
2235 | }; | |
2236 | ||
2237 | Element.Methods.setOpacity = function(element, value) { | |
2238 | function stripAlpha(filter){ | |
2239 | return filter.replace(/alpha\([^\)]*\)/gi,''); | |
2240 | } | |
2241 | element = $(element); | |
2242 | var currentStyle = element.currentStyle; | |
2243 | if ((currentStyle && !currentStyle.hasLayout) || | |
2244 | (!currentStyle && element.style.zoom == 'normal')) | |
2245 | element.style.zoom = 1; | |
2246 | ||
2247 | var filter = element.getStyle('filter'), style = element.style; | |
2248 | if (value == 1 || value === '') { | |
2249 | (filter = stripAlpha(filter)) ? | |
2250 | style.filter = filter : style.removeAttribute('filter'); | |
2251 | return element; | |
2252 | } else if (value < 0.00001) value = 0; | |
2253 | style.filter = stripAlpha(filter) + | |
2254 | 'alpha(opacity=' + (value * 100) + ')'; | |
2255 | return element; | |
2256 | }; | |
2257 | ||
2258 | Element._attributeTranslations = { | |
2259 | read: { | |
2260 | names: { | |
2261 | 'class': 'className', | |
2262 | 'for': 'htmlFor' | |
2263 | }, | |
2264 | values: { | |
2265 | _getAttr: function(element, attribute) { | |
2266 | return element.getAttribute(attribute, 2); | |
2267 | }, | |
2268 | _getAttrNode: function(element, attribute) { | |
2269 | var node = element.getAttributeNode(attribute); | |
2270 | return node ? node.value : ""; | |
2271 | }, | |
2272 | _getEv: function(element, attribute) { | |
2273 | attribute = element.getAttribute(attribute); | |
2274 | return attribute ? attribute.toString().slice(23, -2) : null; | |
2275 | }, | |
2276 | _flag: function(element, attribute) { | |
2277 | return $(element).hasAttribute(attribute) ? attribute : null; | |
2278 | }, | |
2279 | style: function(element) { | |
2280 | return element.style.cssText.toLowerCase(); | |
2281 | }, | |
2282 | title: function(element) { | |
2283 | return element.title; | |
2284 | } | |
2285 | } | |
2286 | } | |
2287 | }; | |
2288 | ||
2289 | Element._attributeTranslations.write = { | |
2290 | names: Object.clone(Element._attributeTranslations.read.names), | |
2291 | values: { | |
2292 | checked: function(element, value) { | |
2293 | element.checked = !!value; | |
2294 | }, | |
2295 | ||
2296 | style: function(element, value) { | |
2297 | element.style.cssText = value ? value : ''; | |
2298 | } | |
2299 | } | |
2300 | }; | |
2301 | ||
2302 | Element._attributeTranslations.has = {}; | |
2303 | ||
2304 | $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' + | |
2305 | 'encType maxLength readOnly longDesc').each(function(attr) { | |
2306 | Element._attributeTranslations.write.names[attr.toLowerCase()] = attr; | |
2307 | Element._attributeTranslations.has[attr.toLowerCase()] = attr; | |
2308 | }); | |
2309 | ||
2310 | (function(v) { | |
2311 | Object.extend(v, { | |
2312 | href: v._getAttr, | |
2313 | src: v._getAttr, | |
2314 | type: v._getAttr, | |
2315 | action: v._getAttrNode, | |
2316 | disabled: v._flag, | |
2317 | checked: v._flag, | |
2318 | readonly: v._flag, | |
2319 | multiple: v._flag, | |
2320 | onload: v._getEv, | |
2321 | onunload: v._getEv, | |
2322 | onclick: v._getEv, | |
2323 | ondblclick: v._getEv, | |
2324 | onmousedown: v._getEv, | |
2325 | onmouseup: v._getEv, | |
2326 | onmouseover: v._getEv, | |
2327 | onmousemove: v._getEv, | |
2328 | onmouseout: v._getEv, | |
2329 | onfocus: v._getEv, | |
2330 | onblur: v._getEv, | |
2331 | onkeypress: v._getEv, | |
2332 | onkeydown: v._getEv, | |
2333 | onkeyup: v._getEv, | |
2334 | onsubmit: v._getEv, | |
2335 | onreset: v._getEv, | |
2336 | onselect: v._getEv, | |
2337 | onchange: v._getEv | |
2338 | }); | |
2339 | })(Element._attributeTranslations.read.values); | |
2340 | } | |
2341 | ||
2342 | else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) { | |
2343 | Element.Methods.setOpacity = function(element, value) { | |
2344 | element = $(element); | |
2345 | element.style.opacity = (value == 1) ? 0.999999 : | |
2346 | (value === '') ? '' : (value < 0.00001) ? 0 : value; | |
2347 | return element; | |
2348 | }; | |
2349 | } | |
2350 | ||
2351 | else if (Prototype.Browser.WebKit) { | |
2352 | Element.Methods.setOpacity = function(element, value) { | |
2353 | element = $(element); | |
2354 | element.style.opacity = (value == 1 || value === '') ? '' : | |
2355 | (value < 0.00001) ? 0 : value; | |
2356 | ||
2357 | if (value == 1) | |
2358 | if(element.tagName == 'IMG' && element.width) { | |
2359 | element.width++; element.width--; | |
2360 | } else try { | |
2361 | var n = document.createTextNode(' '); | |
2362 | element.appendChild(n); | |
2363 | element.removeChild(n); | |
2364 | } catch (e) { } | |
2365 | ||
2366 | return element; | |
2367 | }; | |
2368 | ||
2369 | // Safari returns margins on body which is incorrect if the child is absolutely | |
2370 | // positioned. For performance reasons, redefine Element#cumulativeOffset for | |
2371 | // KHTML/WebKit only. | |
2372 | Element.Methods.cumulativeOffset = function(element) { | |
2373 | var valueT = 0, valueL = 0; | |
2374 | do { | |
2375 | valueT += element.offsetTop || 0; | |
2376 | valueL += element.offsetLeft || 0; | |
2377 | if (element.offsetParent == document.body) | |
2378 | if (Element.getStyle(element, 'position') == 'absolute') break; | |
2379 | ||
2380 | element = element.offsetParent; | |
2381 | } while (element); | |
2382 | ||
2383 | return Element._returnOffset(valueL, valueT); | |
2384 | }; | |
2385 | } | |
2386 | ||
2387 | if (Prototype.Browser.IE || Prototype.Browser.Opera) { | |
2388 | // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements | |
2389 | Element.Methods.update = function(element, content) { | |
2390 | element = $(element); | |
2391 | ||
2392 | if (content && content.toElement) content = content.toElement(); | |
2393 | if (Object.isElement(content)) return element.update().insert(content); | |
2394 | ||
2395 | content = Object.toHTML(content); | |
2396 | var tagName = element.tagName.toUpperCase(); | |
2397 | ||
2398 | if (tagName in Element._insertionTranslations.tags) { | |
2399 | $A(element.childNodes).each(function(node) { element.removeChild(node) }); | |
2400 | Element._getContentFromAnonymousElement(tagName, content.stripScripts()) | |
2401 | .each(function(node) { element.appendChild(node) }); | |
2402 | } | |
2403 | else element.innerHTML = content.stripScripts(); | |
2404 | ||
2405 | content.evalScripts.bind(content).defer(); | |
2406 | return element; | |
2407 | }; | |
2408 | } | |
2409 | ||
2410 | if (document.createElement('div').outerHTML) { | |
2411 | Element.Methods.replace = function(element, content) { | |
2412 | element = $(element); | |
2413 | ||
2414 | if (content && content.toElement) content = content.toElement(); | |
2415 | if (Object.isElement(content)) { | |
2416 | element.parentNode.replaceChild(content, element); | |
2417 | return element; | |
2418 | } | |
2419 | ||
2420 | content = Object.toHTML(content); | |
2421 | var parent = element.parentNode, tagName = parent.tagName.toUpperCase(); | |
2422 | ||
2423 | if (Element._insertionTranslations.tags[tagName]) { | |
2424 | var nextSibling = element.next(); | |
2425 | var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts()); | |
2426 | parent.removeChild(element); | |
2427 | if (nextSibling) | |
2428 | fragments.each(function(node) { parent.insertBefore(node, nextSibling) }); | |
2429 | else | |
2430 | fragments.each(function(node) { parent.appendChild(node) }); | |
2431 | } | |
2432 | else element.outerHTML = content.stripScripts(); | |
2433 | ||
2434 | content.evalScripts.bind(content).defer(); | |
2435 | return element; | |
2436 | }; | |
2437 | } | |
2438 | ||
2439 | Element._returnOffset = function(l, t) { | |
2440 | var result = [l, t]; | |
2441 | result.left = l; | |
2442 | result.top = t; | |
2443 | return result; | |
2444 | }; | |
2445 | ||
2446 | Element._getContentFromAnonymousElement = function(tagName, html) { | |
2447 | var div = new Element('div'), t = Element._insertionTranslations.tags[tagName]; | |
2448 | if (t) { | |
2449 | div.innerHTML = t[0] + html + t[1]; | |
2450 | t[2].times(function() { div = div.firstChild }); | |
2451 | } else div.innerHTML = html; | |
2452 | return $A(div.childNodes); | |
2453 | }; | |
2454 | ||
2455 | Element._insertionTranslations = { | |
2456 | before: function(element, node) { | |
2457 | element.parentNode.insertBefore(node, element); | |
2458 | }, | |
2459 | top: function(element, node) { | |
2460 | element.insertBefore(node, element.firstChild); | |
2461 | }, | |
2462 | bottom: function(element, node) { | |
2463 | element.appendChild(node); | |
14f69488 | 2464 | }, |
4b9dfd5b AD |
2465 | after: function(element, node) { |
2466 | element.parentNode.insertBefore(node, element.nextSibling); | |
2467 | }, | |
2468 | tags: { | |
2469 | TABLE: ['<table>', '</table>', 1], | |
2470 | TBODY: ['<table><tbody>', '</tbody></table>', 2], | |
2471 | TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3], | |
2472 | TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4], | |
2473 | SELECT: ['<select>', '</select>', 1] | |
2474 | } | |
2475 | }; | |
14f69488 | 2476 | |
4b9dfd5b AD |
2477 | (function() { |
2478 | Object.extend(this.tags, { | |
2479 | THEAD: this.tags.TBODY, | |
2480 | TFOOT: this.tags.TBODY, | |
2481 | TH: this.tags.TD | |
2482 | }); | |
2483 | }).call(Element._insertionTranslations); | |
2484 | ||
2485 | Element.Methods.Simulated = { | |
2486 | hasAttribute: function(element, attribute) { | |
2487 | attribute = Element._attributeTranslations.has[attribute] || attribute; | |
2488 | var node = $(element).getAttributeNode(attribute); | |
2489 | return node && node.specified; | |
2490 | } | |
2491 | }; | |
2492 | ||
2493 | Element.Methods.ByTag = { }; | |
2494 | ||
2495 | Object.extend(Element, Element.Methods); | |
2496 | ||
2497 | if (!Prototype.BrowserFeatures.ElementExtensions && | |
2498 | document.createElement('div').__proto__) { | |
2499 | window.HTMLElement = { }; | |
2500 | window.HTMLElement.prototype = document.createElement('div').__proto__; | |
2501 | Prototype.BrowserFeatures.ElementExtensions = true; | |
2502 | } | |
2503 | ||
2504 | Element.extend = (function() { | |
2505 | if (Prototype.BrowserFeatures.SpecificElementExtensions) | |
2506 | return Prototype.K; | |
2507 | ||
2508 | var Methods = { }, ByTag = Element.Methods.ByTag; | |
2509 | ||
2510 | var extend = Object.extend(function(element) { | |
2511 | if (!element || element._extendedByPrototype || | |
2512 | element.nodeType != 1 || element == window) return element; | |
2513 | ||
2514 | var methods = Object.clone(Methods), | |
2515 | tagName = element.tagName, property, value; | |
2516 | ||
2517 | // extend methods for specific tags | |
2518 | if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]); | |
2519 | ||
2520 | for (property in methods) { | |
2521 | value = methods[property]; | |
2522 | if (Object.isFunction(value) && !(property in element)) | |
2523 | element[property] = value.methodize(); | |
2524 | } | |
2525 | ||
2526 | element._extendedByPrototype = Prototype.emptyFunction; | |
2527 | return element; | |
2528 | ||
2529 | }, { | |
2530 | refresh: function() { | |
2531 | // extend methods for all tags (Safari doesn't need this) | |
2532 | if (!Prototype.BrowserFeatures.ElementExtensions) { | |
2533 | Object.extend(Methods, Element.Methods); | |
2534 | Object.extend(Methods, Element.Methods.Simulated); | |
2535 | } | |
2536 | } | |
2537 | }); | |
2538 | ||
2539 | extend.refresh(); | |
2540 | return extend; | |
2541 | })(); | |
2542 | ||
2543 | Element.hasAttribute = function(element, attribute) { | |
2544 | if (element.hasAttribute) return element.hasAttribute(attribute); | |
2545 | return Element.Methods.Simulated.hasAttribute(element, attribute); | |
2546 | }; | |
2547 | ||
2548 | Element.addMethods = function(methods) { | |
2549 | var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag; | |
2550 | ||
2551 | if (!methods) { | |
2552 | Object.extend(Form, Form.Methods); | |
2553 | Object.extend(Form.Element, Form.Element.Methods); | |
2554 | Object.extend(Element.Methods.ByTag, { | |
2555 | "FORM": Object.clone(Form.Methods), | |
2556 | "INPUT": Object.clone(Form.Element.Methods), | |
2557 | "SELECT": Object.clone(Form.Element.Methods), | |
2558 | "TEXTAREA": Object.clone(Form.Element.Methods) | |
2559 | }); | |
2560 | } | |
2561 | ||
2562 | if (arguments.length == 2) { | |
2563 | var tagName = methods; | |
2564 | methods = arguments[1]; | |
2565 | } | |
2566 | ||
2567 | if (!tagName) Object.extend(Element.Methods, methods || { }); | |
2568 | else { | |
2569 | if (Object.isArray(tagName)) tagName.each(extend); | |
2570 | else extend(tagName); | |
2571 | } | |
2572 | ||
2573 | function extend(tagName) { | |
2574 | tagName = tagName.toUpperCase(); | |
2575 | if (!Element.Methods.ByTag[tagName]) | |
2576 | Element.Methods.ByTag[tagName] = { }; | |
2577 | Object.extend(Element.Methods.ByTag[tagName], methods); | |
2578 | } | |
2579 | ||
2580 | function copy(methods, destination, onlyIfAbsent) { | |
2581 | onlyIfAbsent = onlyIfAbsent || false; | |
2582 | for (var property in methods) { | |
2583 | var value = methods[property]; | |
2584 | if (!Object.isFunction(value)) continue; | |
2585 | if (!onlyIfAbsent || !(property in destination)) | |
2586 | destination[property] = value.methodize(); | |
2587 | } | |
2588 | } | |
2589 | ||
2590 | function findDOMClass(tagName) { | |
2591 | var klass; | |
2592 | var trans = { | |
2593 | "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph", | |
2594 | "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList", | |
2595 | "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading", | |
2596 | "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote", | |
2597 | "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION": | |
2598 | "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD": | |
2599 | "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR": | |
2600 | "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET": | |
2601 | "FrameSet", "IFRAME": "IFrame" | |
2602 | }; | |
2603 | if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element'; | |
2604 | if (window[klass]) return window[klass]; | |
2605 | klass = 'HTML' + tagName + 'Element'; | |
2606 | if (window[klass]) return window[klass]; | |
2607 | klass = 'HTML' + tagName.capitalize() + 'Element'; | |
2608 | if (window[klass]) return window[klass]; | |
2609 | ||
2610 | window[klass] = { }; | |
2611 | window[klass].prototype = document.createElement(tagName).__proto__; | |
2612 | return window[klass]; | |
2613 | } | |
2614 | ||
2615 | if (F.ElementExtensions) { | |
2616 | copy(Element.Methods, HTMLElement.prototype); | |
2617 | copy(Element.Methods.Simulated, HTMLElement.prototype, true); | |
2618 | } | |
2619 | ||
2620 | if (F.SpecificElementExtensions) { | |
2621 | for (var tag in Element.Methods.ByTag) { | |
2622 | var klass = findDOMClass(tag); | |
2623 | if (Object.isUndefined(klass)) continue; | |
2624 | copy(T[tag], klass.prototype); | |
2625 | } | |
2626 | } | |
2627 | ||
2628 | Object.extend(Element, Element.Methods); | |
2629 | delete Element.ByTag; | |
2630 | ||
2631 | if (Element.extend.refresh) Element.extend.refresh(); | |
2632 | Element.cache = { }; | |
2633 | }; | |
2634 | ||
2635 | document.viewport = { | |
2636 | getDimensions: function() { | |
2637 | var dimensions = { }; | |
2638 | var B = Prototype.Browser; | |
2639 | $w('width height').each(function(d) { | |
2640 | var D = d.capitalize(); | |
2641 | dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] : | |
2642 | (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D]; | |
2643 | }); | |
2644 | return dimensions; | |
14f69488 AD |
2645 | }, |
2646 | ||
4b9dfd5b AD |
2647 | getWidth: function() { |
2648 | return this.getDimensions().width; | |
14f69488 AD |
2649 | }, |
2650 | ||
4b9dfd5b AD |
2651 | getHeight: function() { |
2652 | return this.getDimensions().height; | |
14f69488 AD |
2653 | }, |
2654 | ||
4b9dfd5b AD |
2655 | getScrollOffsets: function() { |
2656 | return Element._returnOffset( | |
2657 | window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, | |
2658 | window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop); | |
14f69488 | 2659 | } |
5c656a9d | 2660 | }; |
4b9dfd5b AD |
2661 | /* Portions of the Selector class are derived from Jack Slocum’s DomQuery, |
2662 | * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style | |
2663 | * license. Please see http://www.yui-ext.com/ for more information. */ | |
14f69488 | 2664 | |
4b9dfd5b | 2665 | var Selector = Class.create({ |
5c656a9d | 2666 | initialize: function(expression) { |
4b9dfd5b | 2667 | this.expression = expression.strip(); |
5c656a9d | 2668 | this.compileMatcher(); |
14f69488 AD |
2669 | }, |
2670 | ||
4b9dfd5b AD |
2671 | shouldUseXPath: function() { |
2672 | if (!Prototype.BrowserFeatures.XPath) return false; | |
5c656a9d | 2673 | |
4b9dfd5b | 2674 | var e = this.expression; |
5c656a9d | 2675 | |
4b9dfd5b AD |
2676 | // Safari 3 chokes on :*-of-type and :empty |
2677 | if (Prototype.Browser.WebKit && | |
2678 | (e.include("-of-type") || e.include(":empty"))) | |
2679 | return false; | |
5c656a9d | 2680 | |
4b9dfd5b AD |
2681 | // XPath can't do namespaced attributes, nor can it read |
2682 | // the "checked" property from DOM nodes | |
2683 | if ((/(\[[\w-]*?:|:checked)/).test(this.expression)) | |
2684 | return false; | |
2685 | ||
2686 | return true; | |
2687 | }, | |
2688 | ||
2689 | compileMatcher: function() { | |
2690 | if (this.shouldUseXPath()) | |
2691 | return this.compileXPathMatcher(); | |
2692 | ||
2693 | var e = this.expression, ps = Selector.patterns, h = Selector.handlers, | |
2694 | c = Selector.criteria, le, p, m; | |
2695 | ||
2696 | if (Selector._cache[e]) { | |
2697 | this.matcher = Selector._cache[e]; | |
2698 | return; | |
2699 | } | |
5c656a9d | 2700 | |
4b9dfd5b AD |
2701 | this.matcher = ["this.matcher = function(root) {", |
2702 | "var r = root, h = Selector.handlers, c = false, n;"]; | |
2703 | ||
2704 | while (e && le != e && (/\S/).test(e)) { | |
2705 | le = e; | |
2706 | for (var i in ps) { | |
2707 | p = ps[i]; | |
2708 | if (m = e.match(p)) { | |
2709 | this.matcher.push(Object.isFunction(c[i]) ? c[i](m) : | |
2710 | new Template(c[i]).evaluate(m)); | |
2711 | e = e.replace(m[0], ''); | |
2712 | break; | |
2713 | } | |
5c656a9d | 2714 | } |
5c656a9d AD |
2715 | } |
2716 | ||
4b9dfd5b AD |
2717 | this.matcher.push("return h.unique(n);\n}"); |
2718 | eval(this.matcher.join('\n')); | |
2719 | Selector._cache[this.expression] = this.matcher; | |
5c656a9d AD |
2720 | }, |
2721 | ||
4b9dfd5b AD |
2722 | compileXPathMatcher: function() { |
2723 | var e = this.expression, ps = Selector.patterns, | |
2724 | x = Selector.xpath, le, m; | |
5c656a9d | 2725 | |
4b9dfd5b AD |
2726 | if (Selector._cache[e]) { |
2727 | this.xpath = Selector._cache[e]; return; | |
2728 | } | |
5c656a9d | 2729 | |
4b9dfd5b AD |
2730 | this.matcher = ['.//*']; |
2731 | while (e && le != e && (/\S/).test(e)) { | |
2732 | le = e; | |
2733 | for (var i in ps) { | |
2734 | if (m = e.match(ps[i])) { | |
2735 | this.matcher.push(Object.isFunction(x[i]) ? x[i](m) : | |
2736 | new Template(x[i]).evaluate(m)); | |
2737 | e = e.replace(m[0], ''); | |
2738 | break; | |
5c656a9d | 2739 | } |
4b9dfd5b | 2740 | } |
5c656a9d AD |
2741 | } |
2742 | ||
4b9dfd5b AD |
2743 | this.xpath = this.matcher.join(''); |
2744 | Selector._cache[this.expression] = this.xpath; | |
14f69488 AD |
2745 | }, |
2746 | ||
4b9dfd5b AD |
2747 | findElements: function(root) { |
2748 | root = root || document; | |
2749 | if (this.xpath) return document._getElementsByXPath(this.xpath, root); | |
2750 | return this.matcher(root); | |
14f69488 AD |
2751 | }, |
2752 | ||
4b9dfd5b AD |
2753 | match: function(element) { |
2754 | this.tokens = []; | |
5c656a9d | 2755 | |
4b9dfd5b AD |
2756 | var e = this.expression, ps = Selector.patterns, as = Selector.assertions; |
2757 | var le, p, m; | |
5c656a9d | 2758 | |
4b9dfd5b AD |
2759 | while (e && le !== e && (/\S/).test(e)) { |
2760 | le = e; | |
2761 | for (var i in ps) { | |
2762 | p = ps[i]; | |
2763 | if (m = e.match(p)) { | |
2764 | // use the Selector.assertions methods unless the selector | |
2765 | // is too complex. | |
2766 | if (as[i]) { | |
2767 | this.tokens.push([i, Object.clone(m)]); | |
2768 | e = e.replace(m[0], ''); | |
2769 | } else { | |
2770 | // reluctantly do a document-wide search | |
2771 | // and look for a match in the array | |
2772 | return this.findElements(document).include(element); | |
2773 | } | |
2774 | } | |
2775 | } | |
2776 | } | |
5c656a9d | 2777 | |
4b9dfd5b AD |
2778 | var match = true, name, matches; |
2779 | for (var i = 0, token; token = this.tokens[i]; i++) { | |
2780 | name = token[0], matches = token[1]; | |
2781 | if (!Selector.assertions[name](element, matches)) { | |
2782 | match = false; break; | |
2783 | } | |
2784 | } | |
5c656a9d | 2785 | |
4b9dfd5b | 2786 | return match; |
14f69488 AD |
2787 | }, |
2788 | ||
5c656a9d AD |
2789 | toString: function() { |
2790 | return this.expression; | |
4b9dfd5b AD |
2791 | }, |
2792 | ||
2793 | inspect: function() { | |
2794 | return "#<Selector:" + this.expression.inspect() + ">"; | |
14f69488 | 2795 | } |
4b9dfd5b | 2796 | }); |
14f69488 | 2797 | |
5c656a9d | 2798 | Object.extend(Selector, { |
4b9dfd5b AD |
2799 | _cache: { }, |
2800 | ||
2801 | xpath: { | |
2802 | descendant: "//*", | |
2803 | child: "/*", | |
2804 | adjacent: "/following-sibling::*[1]", | |
2805 | laterSibling: '/following-sibling::*', | |
2806 | tagName: function(m) { | |
2807 | if (m[1] == '*') return ''; | |
2808 | return "[local-name()='" + m[1].toLowerCase() + | |
2809 | "' or local-name()='" + m[1].toUpperCase() + "']"; | |
2810 | }, | |
2811 | className: "[contains(concat(' ', @class, ' '), ' #{1} ')]", | |
2812 | id: "[@id='#{1}']", | |
2813 | attrPresence: function(m) { | |
2814 | m[1] = m[1].toLowerCase(); | |
2815 | return new Template("[@#{1}]").evaluate(m); | |
2816 | }, | |
2817 | attr: function(m) { | |
2818 | m[1] = m[1].toLowerCase(); | |
2819 | m[3] = m[5] || m[6]; | |
2820 | return new Template(Selector.xpath.operators[m[2]]).evaluate(m); | |
2821 | }, | |
2822 | pseudo: function(m) { | |
2823 | var h = Selector.xpath.pseudos[m[1]]; | |
2824 | if (!h) return ''; | |
2825 | if (Object.isFunction(h)) return h(m); | |
2826 | return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m); | |
2827 | }, | |
2828 | operators: { | |
2829 | '=': "[@#{1}='#{3}']", | |
2830 | '!=': "[@#{1}!='#{3}']", | |
2831 | '^=': "[starts-with(@#{1}, '#{3}')]", | |
2832 | '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']", | |
2833 | '*=': "[contains(@#{1}, '#{3}')]", | |
2834 | '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]", | |
2835 | '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]" | |
2836 | }, | |
2837 | pseudos: { | |
2838 | 'first-child': '[not(preceding-sibling::*)]', | |
2839 | 'last-child': '[not(following-sibling::*)]', | |
2840 | 'only-child': '[not(preceding-sibling::* or following-sibling::*)]', | |
2841 | 'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]", | |
2842 | 'checked': "[@checked]", | |
2843 | 'disabled': "[@disabled]", | |
2844 | 'enabled': "[not(@disabled)]", | |
2845 | 'not': function(m) { | |
2846 | var e = m[6], p = Selector.patterns, | |
2847 | x = Selector.xpath, le, v; | |
2848 | ||
2849 | var exclusion = []; | |
2850 | while (e && le != e && (/\S/).test(e)) { | |
2851 | le = e; | |
2852 | for (var i in p) { | |
2853 | if (m = e.match(p[i])) { | |
2854 | v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m); | |
2855 | exclusion.push("(" + v.substring(1, v.length - 1) + ")"); | |
2856 | e = e.replace(m[0], ''); | |
2857 | break; | |
2858 | } | |
2859 | } | |
2860 | } | |
2861 | return "[not(" + exclusion.join(" and ") + ")]"; | |
2862 | }, | |
2863 | 'nth-child': function(m) { | |
2864 | return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m); | |
2865 | }, | |
2866 | 'nth-last-child': function(m) { | |
2867 | return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m); | |
2868 | }, | |
2869 | 'nth-of-type': function(m) { | |
2870 | return Selector.xpath.pseudos.nth("position() ", m); | |
2871 | }, | |
2872 | 'nth-last-of-type': function(m) { | |
2873 | return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m); | |
2874 | }, | |
2875 | 'first-of-type': function(m) { | |
2876 | m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m); | |
2877 | }, | |
2878 | 'last-of-type': function(m) { | |
2879 | m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m); | |
2880 | }, | |
2881 | 'only-of-type': function(m) { | |
2882 | var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m); | |
2883 | }, | |
2884 | nth: function(fragment, m) { | |
2885 | var mm, formula = m[6], predicate; | |
2886 | if (formula == 'even') formula = '2n+0'; | |
2887 | if (formula == 'odd') formula = '2n+1'; | |
2888 | if (mm = formula.match(/^(\d+)$/)) // digit only | |
2889 | return '[' + fragment + "= " + mm[1] + ']'; | |
2890 | if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b | |
2891 | if (mm[1] == "-") mm[1] = -1; | |
2892 | var a = mm[1] ? Number(mm[1]) : 1; | |
2893 | var b = mm[2] ? Number(mm[2]) : 0; | |
2894 | predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " + | |
2895 | "((#{fragment} - #{b}) div #{a} >= 0)]"; | |
2896 | return new Template(predicate).evaluate({ | |
2897 | fragment: fragment, a: a, b: b }); | |
2898 | } | |
2899 | } | |
2900 | } | |
2901 | }, | |
2902 | ||
2903 | criteria: { | |
2904 | tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;', | |
2905 | className: 'n = h.className(n, r, "#{1}", c); c = false;', | |
2906 | id: 'n = h.id(n, r, "#{1}", c); c = false;', | |
2907 | attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;', | |
2908 | attr: function(m) { | |
2909 | m[3] = (m[5] || m[6]); | |
2910 | return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m); | |
2911 | }, | |
2912 | pseudo: function(m) { | |
2913 | if (m[6]) m[6] = m[6].replace(/"/g, '\\"'); | |
2914 | return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m); | |
2915 | }, | |
2916 | descendant: 'c = "descendant";', | |
2917 | child: 'c = "child";', | |
2918 | adjacent: 'c = "adjacent";', | |
2919 | laterSibling: 'c = "laterSibling";' | |
2920 | }, | |
2921 | ||
2922 | patterns: { | |
2923 | // combinators must be listed first | |
2924 | // (and descendant needs to be last combinator) | |
2925 | laterSibling: /^\s*~\s*/, | |
2926 | child: /^\s*>\s*/, | |
2927 | adjacent: /^\s*\+\s*/, | |
2928 | descendant: /^\s/, | |
2929 | ||
2930 | // selectors follow | |
2931 | tagName: /^\s*(\*|[\w\-]+)(\b|$)?/, | |
2932 | id: /^#([\w\-\*]+)(\b|$)/, | |
2933 | className: /^\.([\w\-\*]+)(\b|$)/, | |
2934 | pseudo: | |
2935 | /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/, | |
2936 | attrPresence: /^\[([\w]+)\]/, | |
2937 | attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ | |
2938 | }, | |
2939 | ||
2940 | // for Selector.match and Element#match | |
2941 | assertions: { | |
2942 | tagName: function(element, matches) { | |
2943 | return matches[1].toUpperCase() == element.tagName.toUpperCase(); | |
2944 | }, | |
2945 | ||
2946 | className: function(element, matches) { | |
2947 | return Element.hasClassName(element, matches[1]); | |
2948 | }, | |
2949 | ||
2950 | id: function(element, matches) { | |
2951 | return element.id === matches[1]; | |
2952 | }, | |
2953 | ||
2954 | attrPresence: function(element, matches) { | |
2955 | return Element.hasAttribute(element, matches[1]); | |
2956 | }, | |
2957 | ||
2958 | attr: function(element, matches) { | |
2959 | var nodeValue = Element.readAttribute(element, matches[1]); | |
2960 | return Selector.operators[matches[2]](nodeValue, matches[3]); | |
2961 | } | |
2962 | }, | |
2963 | ||
2964 | handlers: { | |
2965 | // UTILITY FUNCTIONS | |
2966 | // joins two collections | |
2967 | concat: function(a, b) { | |
2968 | for (var i = 0, node; node = b[i]; i++) | |
2969 | a.push(node); | |
2970 | return a; | |
2971 | }, | |
2972 | ||
2973 | // marks an array of nodes for counting | |
2974 | mark: function(nodes) { | |
2975 | for (var i = 0, node; node = nodes[i]; i++) | |
2976 | node._counted = true; | |
2977 | return nodes; | |
2978 | }, | |
2979 | ||
2980 | unmark: function(nodes) { | |
2981 | for (var i = 0, node; node = nodes[i]; i++) | |
2982 | node._counted = undefined; | |
2983 | return nodes; | |
2984 | }, | |
2985 | ||
2986 | // mark each child node with its position (for nth calls) | |
2987 | // "ofType" flag indicates whether we're indexing for nth-of-type | |
2988 | // rather than nth-child | |
2989 | index: function(parentNode, reverse, ofType) { | |
2990 | parentNode._counted = true; | |
2991 | if (reverse) { | |
2992 | for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) { | |
2993 | var node = nodes[i]; | |
2994 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; | |
2995 | } | |
2996 | } else { | |
2997 | for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++) | |
2998 | if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++; | |
2999 | } | |
3000 | }, | |
3001 | ||
3002 | // filters out duplicates and extends all nodes | |
3003 | unique: function(nodes) { | |
3004 | if (nodes.length == 0) return nodes; | |
3005 | var results = [], n; | |
3006 | for (var i = 0, l = nodes.length; i < l; i++) | |
3007 | if (!(n = nodes[i])._counted) { | |
3008 | n._counted = true; | |
3009 | results.push(Element.extend(n)); | |
3010 | } | |
3011 | return Selector.handlers.unmark(results); | |
3012 | }, | |
3013 | ||
3014 | // COMBINATOR FUNCTIONS | |
3015 | descendant: function(nodes) { | |
3016 | var h = Selector.handlers; | |
3017 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
3018 | h.concat(results, node.getElementsByTagName('*')); | |
3019 | return results; | |
3020 | }, | |
3021 | ||
3022 | child: function(nodes) { | |
3023 | var h = Selector.handlers; | |
3024 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
3025 | for (var j = 0, child; child = node.childNodes[j]; j++) | |
3026 | if (child.nodeType == 1 && child.tagName != '!') results.push(child); | |
3027 | } | |
3028 | return results; | |
3029 | }, | |
3030 | ||
3031 | adjacent: function(nodes) { | |
3032 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
3033 | var next = this.nextElementSibling(node); | |
3034 | if (next) results.push(next); | |
3035 | } | |
3036 | return results; | |
3037 | }, | |
3038 | ||
3039 | laterSibling: function(nodes) { | |
3040 | var h = Selector.handlers; | |
3041 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
3042 | h.concat(results, Element.nextSiblings(node)); | |
3043 | return results; | |
3044 | }, | |
3045 | ||
3046 | nextElementSibling: function(node) { | |
3047 | while (node = node.nextSibling) | |
3048 | if (node.nodeType == 1) return node; | |
3049 | return null; | |
3050 | }, | |
3051 | ||
3052 | previousElementSibling: function(node) { | |
3053 | while (node = node.previousSibling) | |
3054 | if (node.nodeType == 1) return node; | |
3055 | return null; | |
3056 | }, | |
3057 | ||
3058 | // TOKEN FUNCTIONS | |
3059 | tagName: function(nodes, root, tagName, combinator) { | |
3060 | var uTagName = tagName.toUpperCase(); | |
3061 | var results = [], h = Selector.handlers; | |
3062 | if (nodes) { | |
3063 | if (combinator) { | |
3064 | // fastlane for ordinary descendant combinators | |
3065 | if (combinator == "descendant") { | |
3066 | for (var i = 0, node; node = nodes[i]; i++) | |
3067 | h.concat(results, node.getElementsByTagName(tagName)); | |
3068 | return results; | |
3069 | } else nodes = this[combinator](nodes); | |
3070 | if (tagName == "*") return nodes; | |
3071 | } | |
3072 | for (var i = 0, node; node = nodes[i]; i++) | |
3073 | if (node.tagName.toUpperCase() === uTagName) results.push(node); | |
3074 | return results; | |
3075 | } else return root.getElementsByTagName(tagName); | |
3076 | }, | |
3077 | ||
3078 | id: function(nodes, root, id, combinator) { | |
3079 | var targetNode = $(id), h = Selector.handlers; | |
3080 | if (!targetNode) return []; | |
3081 | if (!nodes && root == document) return [targetNode]; | |
3082 | if (nodes) { | |
3083 | if (combinator) { | |
3084 | if (combinator == 'child') { | |
3085 | for (var i = 0, node; node = nodes[i]; i++) | |
3086 | if (targetNode.parentNode == node) return [targetNode]; | |
3087 | } else if (combinator == 'descendant') { | |
3088 | for (var i = 0, node; node = nodes[i]; i++) | |
3089 | if (Element.descendantOf(targetNode, node)) return [targetNode]; | |
3090 | } else if (combinator == 'adjacent') { | |
3091 | for (var i = 0, node; node = nodes[i]; i++) | |
3092 | if (Selector.handlers.previousElementSibling(targetNode) == node) | |
3093 | return [targetNode]; | |
3094 | } else nodes = h[combinator](nodes); | |
3095 | } | |
3096 | for (var i = 0, node; node = nodes[i]; i++) | |
3097 | if (node == targetNode) return [targetNode]; | |
3098 | return []; | |
3099 | } | |
3100 | return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : []; | |
3101 | }, | |
3102 | ||
3103 | className: function(nodes, root, className, combinator) { | |
3104 | if (nodes && combinator) nodes = this[combinator](nodes); | |
3105 | return Selector.handlers.byClassName(nodes, root, className); | |
3106 | }, | |
3107 | ||
3108 | byClassName: function(nodes, root, className) { | |
3109 | if (!nodes) nodes = Selector.handlers.descendant([root]); | |
3110 | var needle = ' ' + className + ' '; | |
3111 | for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) { | |
3112 | nodeClassName = node.className; | |
3113 | if (nodeClassName.length == 0) continue; | |
3114 | if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle)) | |
3115 | results.push(node); | |
3116 | } | |
3117 | return results; | |
3118 | }, | |
3119 | ||
3120 | attrPresence: function(nodes, root, attr) { | |
3121 | if (!nodes) nodes = root.getElementsByTagName("*"); | |
3122 | var results = []; | |
3123 | for (var i = 0, node; node = nodes[i]; i++) | |
3124 | if (Element.hasAttribute(node, attr)) results.push(node); | |
3125 | return results; | |
3126 | }, | |
3127 | ||
3128 | attr: function(nodes, root, attr, value, operator) { | |
3129 | if (!nodes) nodes = root.getElementsByTagName("*"); | |
3130 | var handler = Selector.operators[operator], results = []; | |
3131 | for (var i = 0, node; node = nodes[i]; i++) { | |
3132 | var nodeValue = Element.readAttribute(node, attr); | |
3133 | if (nodeValue === null) continue; | |
3134 | if (handler(nodeValue, value)) results.push(node); | |
3135 | } | |
3136 | return results; | |
3137 | }, | |
3138 | ||
3139 | pseudo: function(nodes, name, value, root, combinator) { | |
3140 | if (nodes && combinator) nodes = this[combinator](nodes); | |
3141 | if (!nodes) nodes = root.getElementsByTagName("*"); | |
3142 | return Selector.pseudos[name](nodes, value, root); | |
3143 | } | |
3144 | }, | |
3145 | ||
3146 | pseudos: { | |
3147 | 'first-child': function(nodes, value, root) { | |
3148 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
3149 | if (Selector.handlers.previousElementSibling(node)) continue; | |
3150 | results.push(node); | |
3151 | } | |
3152 | return results; | |
3153 | }, | |
3154 | 'last-child': function(nodes, value, root) { | |
3155 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
3156 | if (Selector.handlers.nextElementSibling(node)) continue; | |
3157 | results.push(node); | |
3158 | } | |
3159 | return results; | |
3160 | }, | |
3161 | 'only-child': function(nodes, value, root) { | |
3162 | var h = Selector.handlers; | |
3163 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
3164 | if (!h.previousElementSibling(node) && !h.nextElementSibling(node)) | |
3165 | results.push(node); | |
3166 | return results; | |
3167 | }, | |
3168 | 'nth-child': function(nodes, formula, root) { | |
3169 | return Selector.pseudos.nth(nodes, formula, root); | |
3170 | }, | |
3171 | 'nth-last-child': function(nodes, formula, root) { | |
3172 | return Selector.pseudos.nth(nodes, formula, root, true); | |
3173 | }, | |
3174 | 'nth-of-type': function(nodes, formula, root) { | |
3175 | return Selector.pseudos.nth(nodes, formula, root, false, true); | |
3176 | }, | |
3177 | 'nth-last-of-type': function(nodes, formula, root) { | |
3178 | return Selector.pseudos.nth(nodes, formula, root, true, true); | |
3179 | }, | |
3180 | 'first-of-type': function(nodes, formula, root) { | |
3181 | return Selector.pseudos.nth(nodes, "1", root, false, true); | |
3182 | }, | |
3183 | 'last-of-type': function(nodes, formula, root) { | |
3184 | return Selector.pseudos.nth(nodes, "1", root, true, true); | |
3185 | }, | |
3186 | 'only-of-type': function(nodes, formula, root) { | |
3187 | var p = Selector.pseudos; | |
3188 | return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root); | |
3189 | }, | |
3190 | ||
3191 | // handles the an+b logic | |
3192 | getIndices: function(a, b, total) { | |
3193 | if (a == 0) return b > 0 ? [b] : []; | |
3194 | return $R(1, total).inject([], function(memo, i) { | |
3195 | if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i); | |
3196 | return memo; | |
3197 | }); | |
3198 | }, | |
3199 | ||
3200 | // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type | |
3201 | nth: function(nodes, formula, root, reverse, ofType) { | |
3202 | if (nodes.length == 0) return []; | |
3203 | if (formula == 'even') formula = '2n+0'; | |
3204 | if (formula == 'odd') formula = '2n+1'; | |
3205 | var h = Selector.handlers, results = [], indexed = [], m; | |
3206 | h.mark(nodes); | |
3207 | for (var i = 0, node; node = nodes[i]; i++) { | |
3208 | if (!node.parentNode._counted) { | |
3209 | h.index(node.parentNode, reverse, ofType); | |
3210 | indexed.push(node.parentNode); | |
3211 | } | |
3212 | } | |
3213 | if (formula.match(/^\d+$/)) { // just a number | |
3214 | formula = Number(formula); | |
3215 | for (var i = 0, node; node = nodes[i]; i++) | |
3216 | if (node.nodeIndex == formula) results.push(node); | |
3217 | } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b | |
3218 | if (m[1] == "-") m[1] = -1; | |
3219 | var a = m[1] ? Number(m[1]) : 1; | |
3220 | var b = m[2] ? Number(m[2]) : 0; | |
3221 | var indices = Selector.pseudos.getIndices(a, b, nodes.length); | |
3222 | for (var i = 0, node, l = indices.length; node = nodes[i]; i++) { | |
3223 | for (var j = 0; j < l; j++) | |
3224 | if (node.nodeIndex == indices[j]) results.push(node); | |
3225 | } | |
3226 | } | |
3227 | h.unmark(nodes); | |
3228 | h.unmark(indexed); | |
3229 | return results; | |
3230 | }, | |
3231 | ||
3232 | 'empty': function(nodes, value, root) { | |
3233 | for (var i = 0, results = [], node; node = nodes[i]; i++) { | |
3234 | // IE treats comments as element nodes | |
3235 | if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue; | |
3236 | results.push(node); | |
3237 | } | |
3238 | return results; | |
3239 | }, | |
3240 | ||
3241 | 'not': function(nodes, selector, root) { | |
3242 | var h = Selector.handlers, selectorType, m; | |
3243 | var exclusions = new Selector(selector).findElements(root); | |
3244 | h.mark(exclusions); | |
3245 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
3246 | if (!node._counted) results.push(node); | |
3247 | h.unmark(exclusions); | |
3248 | return results; | |
3249 | }, | |
3250 | ||
3251 | 'enabled': function(nodes, value, root) { | |
3252 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
3253 | if (!node.disabled) results.push(node); | |
3254 | return results; | |
3255 | }, | |
3256 | ||
3257 | 'disabled': function(nodes, value, root) { | |
3258 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
3259 | if (node.disabled) results.push(node); | |
3260 | return results; | |
3261 | }, | |
3262 | ||
3263 | 'checked': function(nodes, value, root) { | |
3264 | for (var i = 0, results = [], node; node = nodes[i]; i++) | |
3265 | if (node.checked) results.push(node); | |
3266 | return results; | |
3267 | } | |
3268 | }, | |
3269 | ||
3270 | operators: { | |
3271 | '=': function(nv, v) { return nv == v; }, | |
3272 | '!=': function(nv, v) { return nv != v; }, | |
3273 | '^=': function(nv, v) { return nv.startsWith(v); }, | |
3274 | '$=': function(nv, v) { return nv.endsWith(v); }, | |
3275 | '*=': function(nv, v) { return nv.include(v); }, | |
3276 | '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); }, | |
3277 | '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); } | |
3278 | }, | |
3279 | ||
5c656a9d | 3280 | matchElements: function(elements, expression) { |
4b9dfd5b AD |
3281 | var matches = new Selector(expression).findElements(), h = Selector.handlers; |
3282 | h.mark(matches); | |
3283 | for (var i = 0, results = [], element; element = elements[i]; i++) | |
3284 | if (element._counted) results.push(element); | |
3285 | h.unmark(matches); | |
3286 | return results; | |
5c656a9d AD |
3287 | }, |
3288 | ||
3289 | findElement: function(elements, expression, index) { | |
4b9dfd5b AD |
3290 | if (Object.isNumber(expression)) { |
3291 | index = expression; expression = false; | |
3292 | } | |
5c656a9d AD |
3293 | return Selector.matchElements(elements, expression || '*')[index || 0]; |
3294 | }, | |
3295 | ||
3296 | findChildElements: function(element, expressions) { | |
4b9dfd5b AD |
3297 | var exprs = expressions.join(','); |
3298 | expressions = []; | |
3299 | exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) { | |
3300 | expressions.push(m[1].strip()); | |
3301 | }); | |
3302 | var results = [], h = Selector.handlers; | |
3303 | for (var i = 0, l = expressions.length, selector; i < l; i++) { | |
3304 | selector = new Selector(expressions[i].strip()); | |
3305 | h.concat(results, selector.findElements(element)); | |
3306 | } | |
3307 | return (l > 1) ? h.unique(results) : results; | |
5c656a9d AD |
3308 | } |
3309 | }); | |
14f69488 | 3310 | |
4b9dfd5b AD |
3311 | if (Prototype.Browser.IE) { |
3312 | // IE returns comment nodes on getElementsByTagName("*"). | |
3313 | // Filter them out. | |
3314 | Selector.handlers.concat = function(a, b) { | |
3315 | for (var i = 0, node; node = b[i]; i++) | |
3316 | if (node.tagName !== "!") a.push(node); | |
3317 | return a; | |
3318 | }; | |
3319 | } | |
3320 | ||
5c656a9d AD |
3321 | function $$() { |
3322 | return Selector.findChildElements(document, $A(arguments)); | |
3323 | } | |
14f69488 | 3324 | var Form = { |
5c656a9d AD |
3325 | reset: function(form) { |
3326 | $(form).reset(); | |
3327 | return form; | |
3328 | }, | |
3329 | ||
4b9dfd5b AD |
3330 | serializeElements: function(elements, options) { |
3331 | if (typeof options != 'object') options = { hash: !!options }; | |
3332 | else if (Object.isUndefined(options.hash)) options.hash = true; | |
3333 | var key, value, submitted = false, submit = options.submit; | |
3334 | ||
3335 | var data = elements.inject({ }, function(result, element) { | |
5c656a9d | 3336 | if (!element.disabled && element.name) { |
4b9dfd5b AD |
3337 | key = element.name; value = $(element).getValue(); |
3338 | if (value != null && (element.type != 'submit' || (!submitted && | |
3339 | submit !== false && (!submit || key == submit) && (submitted = true)))) { | |
3340 | if (key in result) { | |
3341 | // a key is already present; construct an array of values | |
3342 | if (!Object.isArray(result[key])) result[key] = [result[key]]; | |
5c656a9d AD |
3343 | result[key].push(value); |
3344 | } | |
3345 | else result[key] = value; | |
3346 | } | |
3347 | } | |
3348 | return result; | |
3349 | }); | |
3350 | ||
4b9dfd5b | 3351 | return options.hash ? data : Object.toQueryString(data); |
5c656a9d AD |
3352 | } |
3353 | }; | |
14f69488 | 3354 | |
5c656a9d | 3355 | Form.Methods = { |
4b9dfd5b AD |
3356 | serialize: function(form, options) { |
3357 | return Form.serializeElements(Form.getElements(form), options); | |
14f69488 AD |
3358 | }, |
3359 | ||
3360 | getElements: function(form) { | |
5c656a9d AD |
3361 | return $A($(form).getElementsByTagName('*')).inject([], |
3362 | function(elements, child) { | |
3363 | if (Form.Element.Serializers[child.tagName.toLowerCase()]) | |
3364 | elements.push(Element.extend(child)); | |
3365 | return elements; | |
3366 | } | |
3367 | ); | |
14f69488 AD |
3368 | }, |
3369 | ||
3370 | getInputs: function(form, typeName, name) { | |
3371 | form = $(form); | |
3372 | var inputs = form.getElementsByTagName('input'); | |
3373 | ||
5c656a9d | 3374 | if (!typeName && !name) return $A(inputs).map(Element.extend); |
14f69488 | 3375 | |
5c656a9d | 3376 | for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) { |
14f69488 | 3377 | var input = inputs[i]; |
5c656a9d | 3378 | if ((typeName && input.type != typeName) || (name && input.name != name)) |
14f69488 | 3379 | continue; |
5c656a9d | 3380 | matchingInputs.push(Element.extend(input)); |
14f69488 AD |
3381 | } |
3382 | ||
3383 | return matchingInputs; | |
3384 | }, | |
3385 | ||
3386 | disable: function(form) { | |
5c656a9d | 3387 | form = $(form); |
4b9dfd5b | 3388 | Form.getElements(form).invoke('disable'); |
5c656a9d | 3389 | return form; |
14f69488 AD |
3390 | }, |
3391 | ||
3392 | enable: function(form) { | |
5c656a9d | 3393 | form = $(form); |
4b9dfd5b | 3394 | Form.getElements(form).invoke('enable'); |
5c656a9d | 3395 | return form; |
14f69488 AD |
3396 | }, |
3397 | ||
3398 | findFirstElement: function(form) { | |
4b9dfd5b AD |
3399 | var elements = $(form).getElements().findAll(function(element) { |
3400 | return 'hidden' != element.type && !element.disabled; | |
3401 | }); | |
3402 | var firstByIndex = elements.findAll(function(element) { | |
3403 | return element.hasAttribute('tabIndex') && element.tabIndex >= 0; | |
3404 | }).sortBy(function(element) { return element.tabIndex }).first(); | |
3405 | ||
3406 | return firstByIndex ? firstByIndex : elements.find(function(element) { | |
3407 | return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); | |
14f69488 AD |
3408 | }); |
3409 | }, | |
3410 | ||
3411 | focusFirstElement: function(form) { | |
5c656a9d AD |
3412 | form = $(form); |
3413 | form.findFirstElement().activate(); | |
3414 | return form; | |
4b9dfd5b AD |
3415 | }, |
3416 | ||
3417 | request: function(form, options) { | |
3418 | form = $(form), options = Object.clone(options || { }); | |
5c656a9d | 3419 | |
4b9dfd5b AD |
3420 | var params = options.parameters, action = form.readAttribute('action') || ''; |
3421 | if (action.blank()) action = window.location.href; | |
3422 | options.parameters = form.serialize(true); | |
3423 | ||
3424 | if (params) { | |
3425 | if (Object.isString(params)) params = params.toQueryParams(); | |
3426 | Object.extend(options.parameters, params); | |
3427 | } | |
3428 | ||
3429 | if (form.hasAttribute('method') && !options.method) | |
3430 | options.method = form.method; | |
3431 | ||
3432 | return new Ajax.Request(action, options); | |
3433 | } | |
3434 | }; | |
5c656a9d AD |
3435 | |
3436 | /*--------------------------------------------------------------------------*/ | |
3437 | ||
3438 | Form.Element = { | |
3439 | focus: function(element) { | |
3440 | $(element).focus(); | |
3441 | return element; | |
14f69488 AD |
3442 | }, |
3443 | ||
5c656a9d AD |
3444 | select: function(element) { |
3445 | $(element).select(); | |
3446 | return element; | |
14f69488 | 3447 | } |
4b9dfd5b | 3448 | }; |
14f69488 | 3449 | |
5c656a9d | 3450 | Form.Element.Methods = { |
14f69488 | 3451 | serialize: function(element) { |
5c656a9d AD |
3452 | element = $(element); |
3453 | if (!element.disabled && element.name) { | |
3454 | var value = element.getValue(); | |
3455 | if (value != undefined) { | |
4b9dfd5b | 3456 | var pair = { }; |
5c656a9d | 3457 | pair[element.name] = value; |
4b9dfd5b | 3458 | return Object.toQueryString(pair); |
5c656a9d AD |
3459 | } |
3460 | } | |
3461 | return ''; | |
3462 | }, | |
3463 | ||
3464 | getValue: function(element) { | |
14f69488 AD |
3465 | element = $(element); |
3466 | var method = element.tagName.toLowerCase(); | |
5c656a9d AD |
3467 | return Form.Element.Serializers[method](element); |
3468 | }, | |
14f69488 | 3469 | |
4b9dfd5b AD |
3470 | setValue: function(element, value) { |
3471 | element = $(element); | |
3472 | var method = element.tagName.toLowerCase(); | |
3473 | Form.Element.Serializers[method](element, value); | |
3474 | return element; | |
3475 | }, | |
3476 | ||
5c656a9d AD |
3477 | clear: function(element) { |
3478 | $(element).value = ''; | |
3479 | return element; | |
3480 | }, | |
14f69488 | 3481 | |
5c656a9d AD |
3482 | present: function(element) { |
3483 | return $(element).value != ''; | |
3484 | }, | |
14f69488 | 3485 | |
5c656a9d AD |
3486 | activate: function(element) { |
3487 | element = $(element); | |
4b9dfd5b AD |
3488 | try { |
3489 | element.focus(); | |
3490 | if (element.select && (element.tagName.toLowerCase() != 'input' || | |
3491 | !['button', 'reset', 'submit'].include(element.type))) | |
3492 | element.select(); | |
3493 | } catch (e) { } | |
5c656a9d | 3494 | return element; |
14f69488 AD |
3495 | }, |
3496 | ||
5c656a9d | 3497 | disable: function(element) { |
14f69488 | 3498 | element = $(element); |
4b9dfd5b | 3499 | element.blur(); |
5c656a9d AD |
3500 | element.disabled = true; |
3501 | return element; | |
3502 | }, | |
14f69488 | 3503 | |
5c656a9d AD |
3504 | enable: function(element) { |
3505 | element = $(element); | |
5c656a9d AD |
3506 | element.disabled = false; |
3507 | return element; | |
14f69488 | 3508 | } |
4b9dfd5b AD |
3509 | }; |
3510 | ||
3511 | /*--------------------------------------------------------------------------*/ | |
14f69488 | 3512 | |
5c656a9d | 3513 | var Field = Form.Element; |
4b9dfd5b | 3514 | var $F = Form.Element.Methods.getValue; |
5c656a9d AD |
3515 | |
3516 | /*--------------------------------------------------------------------------*/ | |
3517 | ||
14f69488 | 3518 | Form.Element.Serializers = { |
4b9dfd5b | 3519 | input: function(element, value) { |
14f69488 | 3520 | switch (element.type.toLowerCase()) { |
14f69488 AD |
3521 | case 'checkbox': |
3522 | case 'radio': | |
4b9dfd5b | 3523 | return Form.Element.Serializers.inputSelector(element, value); |
5c656a9d | 3524 | default: |
4b9dfd5b | 3525 | return Form.Element.Serializers.textarea(element, value); |
14f69488 | 3526 | } |
14f69488 AD |
3527 | }, |
3528 | ||
4b9dfd5b AD |
3529 | inputSelector: function(element, value) { |
3530 | if (Object.isUndefined(value)) return element.checked ? element.value : null; | |
3531 | else element.checked = !!value; | |
14f69488 AD |
3532 | }, |
3533 | ||
4b9dfd5b AD |
3534 | textarea: function(element, value) { |
3535 | if (Object.isUndefined(value)) return element.value; | |
3536 | else element.value = value; | |
14f69488 AD |
3537 | }, |
3538 | ||
4b9dfd5b AD |
3539 | select: function(element, index) { |
3540 | if (Object.isUndefined(index)) | |
3541 | return this[element.type == 'select-one' ? | |
3542 | 'selectOne' : 'selectMany'](element); | |
3543 | else { | |
3544 | var opt, value, single = !Object.isArray(index); | |
3545 | for (var i = 0, length = element.length; i < length; i++) { | |
3546 | opt = element.options[i]; | |
3547 | value = this.optionValue(opt); | |
3548 | if (single) { | |
3549 | if (value == index) { | |
3550 | opt.selected = true; | |
3551 | return; | |
3552 | } | |
3553 | } | |
3554 | else opt.selected = index.include(value); | |
3555 | } | |
3556 | } | |
14f69488 AD |
3557 | }, |
3558 | ||
3559 | selectOne: function(element) { | |
5c656a9d AD |
3560 | var index = element.selectedIndex; |
3561 | return index >= 0 ? this.optionValue(element.options[index]) : null; | |
14f69488 AD |
3562 | }, |
3563 | ||
3564 | selectMany: function(element) { | |
5c656a9d AD |
3565 | var values, length = element.length; |
3566 | if (!length) return null; | |
3567 | ||
3568 | for (var i = 0, values = []; i < length; i++) { | |
14f69488 | 3569 | var opt = element.options[i]; |
5c656a9d | 3570 | if (opt.selected) values.push(this.optionValue(opt)); |
14f69488 | 3571 | } |
5c656a9d AD |
3572 | return values; |
3573 | }, | |
3574 | ||
3575 | optionValue: function(opt) { | |
3576 | // extend element because hasAttribute may not be native | |
3577 | return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text; | |
14f69488 | 3578 | } |
4b9dfd5b | 3579 | }; |
14f69488 AD |
3580 | |
3581 | /*--------------------------------------------------------------------------*/ | |
3582 | ||
4b9dfd5b AD |
3583 | Abstract.TimedObserver = Class.create(PeriodicalExecuter, { |
3584 | initialize: function($super, element, frequency, callback) { | |
3585 | $super(callback, frequency); | |
14f69488 | 3586 | this.element = $(element); |
14f69488 | 3587 | this.lastValue = this.getValue(); |
14f69488 AD |
3588 | }, |
3589 | ||
4b9dfd5b AD |
3590 | execute: function() { |
3591 | var value = this.getValue(); | |
3592 | if (Object.isString(this.lastValue) && Object.isString(value) ? | |
3593 | this.lastValue != value : String(this.lastValue) != String(value)) { | |
3594 | this.callback(this.element, value); | |
3595 | this.lastValue = value; | |
3596 | } | |
3597 | } | |
3598 | }); | |
3599 | ||
3600 | Form.Element.Observer = Class.create(Abstract.TimedObserver, { | |
3601 | getValue: function() { | |
3602 | return Form.Element.getValue(this.element); | |
3603 | } | |
3604 | }); | |
3605 | ||
3606 | Form.Observer = Class.create(Abstract.TimedObserver, { | |
3607 | getValue: function() { | |
3608 | return Form.serialize(this.element); | |
3609 | } | |
3610 | }); | |
3611 | ||
3612 | /*--------------------------------------------------------------------------*/ | |
3613 | ||
3614 | Abstract.EventObserver = Class.create({ | |
3615 | initialize: function(element, callback) { | |
3616 | this.element = $(element); | |
3617 | this.callback = callback; | |
3618 | ||
3619 | this.lastValue = this.getValue(); | |
3620 | if (this.element.tagName.toLowerCase() == 'form') | |
3621 | this.registerFormCallbacks(); | |
3622 | else | |
3623 | this.registerCallback(this.element); | |
14f69488 AD |
3624 | }, |
3625 | ||
4b9dfd5b | 3626 | onElementEvent: function() { |
14f69488 | 3627 | var value = this.getValue(); |
4b9dfd5b | 3628 | if (this.lastValue != value) { |
14f69488 AD |
3629 | this.callback(this.element, value); |
3630 | this.lastValue = value; | |
3631 | } | |
4b9dfd5b AD |
3632 | }, |
3633 | ||
3634 | registerFormCallbacks: function() { | |
3635 | Form.getElements(this.element).each(this.registerCallback, this); | |
3636 | }, | |
3637 | ||
3638 | registerCallback: function(element) { | |
3639 | if (element.type) { | |
3640 | switch (element.type.toLowerCase()) { | |
3641 | case 'checkbox': | |
3642 | case 'radio': | |
3643 | Event.observe(element, 'click', this.onElementEvent.bind(this)); | |
3644 | break; | |
3645 | default: | |
3646 | Event.observe(element, 'change', this.onElementEvent.bind(this)); | |
3647 | break; | |
3648 | } | |
3649 | } | |
14f69488 | 3650 | } |
4b9dfd5b AD |
3651 | }); |
3652 | ||
3653 | Form.Element.EventObserver = Class.create(Abstract.EventObserver, { | |
3654 | getValue: function() { | |
3655 | return Form.Element.getValue(this.element); | |
3656 | } | |
3657 | }); | |
3658 | ||
3659 | Form.EventObserver = Class.create(Abstract.EventObserver, { | |
3660 | getValue: function() { | |
3661 | return Form.serialize(this.element); | |
3662 | } | |
3663 | }); | |
3664 | if (!window.Event) var Event = { }; | |
3665 | ||
3666 | Object.extend(Event, { | |
3667 | KEY_BACKSPACE: 8, | |
3668 | KEY_TAB: 9, | |
3669 | KEY_RETURN: 13, | |
3670 | KEY_ESC: 27, | |
3671 | KEY_LEFT: 37, | |
3672 | KEY_UP: 38, | |
3673 | KEY_RIGHT: 39, | |
3674 | KEY_DOWN: 40, | |
3675 | KEY_DELETE: 46, | |
3676 | KEY_HOME: 36, | |
3677 | KEY_END: 35, | |
3678 | KEY_PAGEUP: 33, | |
3679 | KEY_PAGEDOWN: 34, | |
3680 | KEY_INSERT: 45, | |
3681 | ||
3682 | cache: { }, | |
3683 | ||
3684 | relatedTarget: function(event) { | |
3685 | var element; | |
3686 | switch(event.type) { | |
3687 | case 'mouseover': element = event.fromElement; break; | |
3688 | case 'mouseout': element = event.toElement; break; | |
3689 | default: return null; | |
3690 | } | |
3691 | return Element.extend(element); | |
3692 | } | |
3693 | }); | |
3694 | ||
3695 | Event.Methods = (function() { | |
3696 | var isButton; | |
3697 | ||
3698 | if (Prototype.Browser.IE) { | |
3699 | var buttonMap = { 0: 1, 1: 4, 2: 2 }; | |
3700 | isButton = function(event, code) { | |
3701 | return event.button == buttonMap[code]; | |
3702 | }; | |
3703 | ||
3704 | } else if (Prototype.Browser.WebKit) { | |
3705 | isButton = function(event, code) { | |
3706 | switch (code) { | |
3707 | case 0: return event.which == 1 && !event.metaKey; | |
3708 | case 1: return event.which == 1 && event.metaKey; | |
3709 | default: return false; | |
3710 | } | |
3711 | }; | |
3712 | ||
3713 | } else { | |
3714 | isButton = function(event, code) { | |
3715 | return event.which ? (event.which === code + 1) : (event.button === code); | |
3716 | }; | |
3717 | } | |
3718 | ||
3719 | return { | |
3720 | isLeftClick: function(event) { return isButton(event, 0) }, | |
3721 | isMiddleClick: function(event) { return isButton(event, 1) }, | |
3722 | isRightClick: function(event) { return isButton(event, 2) }, | |
3723 | ||
3724 | element: function(event) { | |
3725 | var node = Event.extend(event).target; | |
3726 | return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node); | |
3727 | }, | |
3728 | ||
3729 | findElement: function(event, expression) { | |
3730 | var element = Event.element(event); | |
3731 | if (!expression) return element; | |
3732 | var elements = [element].concat(element.ancestors()); | |
3733 | return Selector.findElement(elements, expression, 0); | |
3734 | }, | |
3735 | ||
3736 | pointer: function(event) { | |
3737 | return { | |
3738 | x: event.pageX || (event.clientX + | |
3739 | (document.documentElement.scrollLeft || document.body.scrollLeft)), | |
3740 | y: event.pageY || (event.clientY + | |
3741 | (document.documentElement.scrollTop || document.body.scrollTop)) | |
3742 | }; | |
3743 | }, | |
3744 | ||
3745 | pointerX: function(event) { return Event.pointer(event).x }, | |
3746 | pointerY: function(event) { return Event.pointer(event).y }, | |
3747 | ||
3748 | stop: function(event) { | |
3749 | Event.extend(event); | |
3750 | event.preventDefault(); | |
3751 | event.stopPropagation(); | |
3752 | event.stopped = true; | |
3753 | } | |
3754 | }; | |
3755 | })(); | |
3756 | ||
3757 | Event.extend = (function() { | |
3758 | var methods = Object.keys(Event.Methods).inject({ }, function(m, name) { | |
3759 | m[name] = Event.Methods[name].methodize(); | |
3760 | return m; | |
3761 | }); | |
3762 | ||
3763 | if (Prototype.Browser.IE) { | |
3764 | Object.extend(methods, { | |
3765 | stopPropagation: function() { this.cancelBubble = true }, | |
3766 | preventDefault: function() { this.returnValue = false }, | |
3767 | inspect: function() { return "[object Event]" } | |
3768 | }); | |
3769 | ||
3770 | return function(event) { | |
3771 | if (!event) return false; | |
3772 | if (event._extendedByPrototype) return event; | |
3773 | ||
3774 | event._extendedByPrototype = Prototype.emptyFunction; | |
3775 | var pointer = Event.pointer(event); | |
3776 | Object.extend(event, { | |
3777 | target: event.srcElement, | |
3778 | relatedTarget: Event.relatedTarget(event), | |
3779 | pageX: pointer.x, | |
3780 | pageY: pointer.y | |
3781 | }); | |
3782 | return Object.extend(event, methods); | |
3783 | }; | |
3784 | ||
3785 | } else { | |
3786 | Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__; | |
3787 | Object.extend(Event.prototype, methods); | |
3788 | return Prototype.K; | |
3789 | } | |
3790 | })(); | |
3791 | ||
3792 | Object.extend(Event, (function() { | |
3793 | var cache = Event.cache; | |
3794 | ||
3795 | function getEventID(element) { | |
3796 | if (element._eventID) return element._eventID; | |
3797 | arguments.callee.id = arguments.callee.id || 1; | |
3798 | return element._eventID = ++arguments.callee.id; | |
3799 | } | |
3800 | ||
3801 | function getDOMEventName(eventName) { | |
3802 | if (eventName && eventName.include(':')) return "dataavailable"; | |
3803 | return eventName; | |
3804 | } | |
3805 | ||
3806 | function getCacheForID(id) { | |
3807 | return cache[id] = cache[id] || { }; | |
3808 | } | |
3809 | ||
3810 | function getWrappersForEventName(id, eventName) { | |
3811 | var c = getCacheForID(id); | |
3812 | return c[eventName] = c[eventName] || []; | |
3813 | } | |
3814 | ||
3815 | function createWrapper(element, eventName, handler) { | |
3816 | var id = getEventID(element); | |
3817 | var c = getWrappersForEventName(id, eventName); | |
3818 | if (c.pluck("handler").include(handler)) return false; | |
3819 | ||
3820 | var wrapper = function(event) { | |
3821 | if (!Event || !Event.extend || | |
3822 | (event.eventName && event.eventName != eventName)) | |
3823 | return false; | |
3824 | ||
3825 | Event.extend(event); | |
3826 | handler.call(element, event); | |
3827 | }; | |
3828 | ||
3829 | wrapper.handler = handler; | |
3830 | c.push(wrapper); | |
3831 | return wrapper; | |
3832 | } | |
3833 | ||
3834 | function findWrapper(id, eventName, handler) { | |
3835 | var c = getWrappersForEventName(id, eventName); | |
3836 | return c.find(function(wrapper) { return wrapper.handler == handler }); | |
3837 | } | |
3838 | ||
3839 | function destroyWrapper(id, eventName, handler) { | |
3840 | var c = getCacheForID(id); | |
3841 | if (!c[eventName]) return false; | |
3842 | c[eventName] = c[eventName].without(findWrapper(id, eventName, handler)); | |
3843 | } | |
3844 | ||
3845 | function destroyCache() { | |
3846 | for (var id in cache) | |
3847 | for (var eventName in cache[id]) | |
3848 | cache[id][eventName] = null; | |
3849 | } | |
3850 | ||
3851 | if (window.attachEvent) { | |
3852 | window.attachEvent("onunload", destroyCache); | |
3853 | } | |
3854 | ||
3855 | return { | |
3856 | observe: function(element, eventName, handler) { | |
3857 | element = $(element); | |
3858 | var name = getDOMEventName(eventName); | |
3859 | ||
3860 | var wrapper = createWrapper(element, eventName, handler); | |
3861 | if (!wrapper) return element; | |
3862 | ||
3863 | if (element.addEventListener) { | |
3864 | element.addEventListener(name, wrapper, false); | |
3865 | } else { | |
3866 | element.attachEvent("on" + name, wrapper); | |
3867 | } | |
3868 | ||
3869 | return element; | |
3870 | }, | |
3871 | ||
3872 | stopObserving: function(element, eventName, handler) { | |
3873 | element = $(element); | |
3874 | var id = getEventID(element), name = getDOMEventName(eventName); | |
3875 | ||
3876 | if (!handler && eventName) { | |
3877 | getWrappersForEventName(id, eventName).each(function(wrapper) { | |
3878 | element.stopObserving(eventName, wrapper.handler); | |
3879 | }); | |
3880 | return element; | |
14f69488 | 3881 | |
4b9dfd5b AD |
3882 | } else if (!eventName) { |
3883 | Object.keys(getCacheForID(id)).each(function(eventName) { | |
3884 | element.stopObserving(eventName); | |
3885 | }); | |
3886 | return element; | |
3887 | } | |
14f69488 | 3888 | |
4b9dfd5b AD |
3889 | var wrapper = findWrapper(id, eventName, handler); |
3890 | if (!wrapper) return element; | |
14f69488 | 3891 | |
4b9dfd5b AD |
3892 | if (element.removeEventListener) { |
3893 | element.removeEventListener(name, wrapper, false); | |
3894 | } else { | |
3895 | element.detachEvent("on" + name, wrapper); | |
3896 | } | |
14f69488 | 3897 | |
4b9dfd5b | 3898 | destroyWrapper(id, eventName, handler); |
14f69488 | 3899 | |
4b9dfd5b AD |
3900 | return element; |
3901 | }, | |
14f69488 | 3902 | |
4b9dfd5b AD |
3903 | fire: function(element, eventName, memo) { |
3904 | element = $(element); | |
3905 | if (element == document && document.createEvent && !element.dispatchEvent) | |
3906 | element = document.documentElement; | |
14f69488 | 3907 | |
4b9dfd5b AD |
3908 | var event; |
3909 | if (document.createEvent) { | |
3910 | event = document.createEvent("HTMLEvents"); | |
3911 | event.initEvent("dataavailable", true, true); | |
3912 | } else { | |
3913 | event = document.createEventObject(); | |
3914 | event.eventType = "ondataavailable"; | |
3915 | } | |
14f69488 | 3916 | |
4b9dfd5b AD |
3917 | event.eventName = eventName; |
3918 | event.memo = memo || { }; | |
3919 | ||
3920 | if (document.createEvent) { | |
3921 | element.dispatchEvent(event); | |
3922 | } else { | |
3923 | element.fireEvent(event.eventType, event); | |
14f69488 | 3924 | } |
4b9dfd5b AD |
3925 | |
3926 | return Event.extend(event); | |
14f69488 | 3927 | } |
4b9dfd5b AD |
3928 | }; |
3929 | })()); | |
14f69488 | 3930 | |
4b9dfd5b AD |
3931 | Object.extend(Event, Event.Methods); |
3932 | ||
3933 | Element.addMethods({ | |
3934 | fire: Event.fire, | |
3935 | observe: Event.observe, | |
3936 | stopObserving: Event.stopObserving | |
14f69488 AD |
3937 | }); |
3938 | ||
4b9dfd5b AD |
3939 | Object.extend(document, { |
3940 | fire: Element.Methods.fire.methodize(), | |
3941 | observe: Element.Methods.observe.methodize(), | |
3942 | stopObserving: Element.Methods.stopObserving.methodize(), | |
3943 | loaded: false | |
14f69488 | 3944 | }); |
14f69488 | 3945 | |
4b9dfd5b AD |
3946 | (function() { |
3947 | /* Support for the DOMContentLoaded event is based on work by Dan Webb, | |
3948 | Matthias Miller, Dean Edwards and John Resig. */ | |
14f69488 | 3949 | |
4b9dfd5b | 3950 | var timer; |
14f69488 | 3951 | |
4b9dfd5b AD |
3952 | function fireContentLoadedEvent() { |
3953 | if (document.loaded) return; | |
3954 | if (timer) window.clearInterval(timer); | |
3955 | document.fire("dom:loaded"); | |
3956 | document.loaded = true; | |
3957 | } | |
14f69488 | 3958 | |
4b9dfd5b AD |
3959 | if (document.addEventListener) { |
3960 | if (Prototype.Browser.WebKit) { | |
3961 | timer = window.setInterval(function() { | |
3962 | if (/loaded|complete/.test(document.readyState)) | |
3963 | fireContentLoadedEvent(); | |
3964 | }, 0); | |
14f69488 | 3965 | |
4b9dfd5b | 3966 | Event.observe(window, "load", fireContentLoadedEvent); |
14f69488 | 3967 | |
14f69488 | 3968 | } else { |
4b9dfd5b AD |
3969 | document.addEventListener("DOMContentLoaded", |
3970 | fireContentLoadedEvent, false); | |
14f69488 | 3971 | } |
14f69488 | 3972 | |
4b9dfd5b AD |
3973 | } else { |
3974 | document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>"); | |
3975 | $("__onDOMContentLoaded").onreadystatechange = function() { | |
3976 | if (this.readyState == "complete") { | |
3977 | this.onreadystatechange = null; | |
3978 | fireContentLoadedEvent(); | |
3979 | } | |
3980 | }; | |
3981 | } | |
3982 | })(); | |
3983 | /*------------------------------- DEPRECATED -------------------------------*/ | |
14f69488 | 3984 | |
4b9dfd5b | 3985 | Hash.toQueryString = Object.toQueryString; |
14f69488 | 3986 | |
4b9dfd5b | 3987 | var Toggle = { display: Element.toggle }; |
14f69488 | 3988 | |
4b9dfd5b | 3989 | Element.Methods.childOf = Element.Methods.descendantOf; |
14f69488 | 3990 | |
4b9dfd5b AD |
3991 | var Insertion = { |
3992 | Before: function(element, content) { | |
3993 | return Element.insert(element, {before:content}); | |
14f69488 AD |
3994 | }, |
3995 | ||
4b9dfd5b AD |
3996 | Top: function(element, content) { |
3997 | return Element.insert(element, {top:content}); | |
3998 | }, | |
14f69488 | 3999 | |
4b9dfd5b AD |
4000 | Bottom: function(element, content) { |
4001 | return Element.insert(element, {bottom:content}); | |
4002 | }, | |
14f69488 | 4003 | |
4b9dfd5b AD |
4004 | After: function(element, content) { |
4005 | return Element.insert(element, {after:content}); | |
14f69488 | 4006 | } |
4b9dfd5b AD |
4007 | }; |
4008 | ||
4009 | var $continue = new Error('"throw $continue" is deprecated, use "return" instead'); | |
14f69488 | 4010 | |
4b9dfd5b AD |
4011 | // This should be moved to script.aculo.us; notice the deprecated methods |
4012 | // further below, that map to the newer Element methods. | |
14f69488 AD |
4013 | var Position = { |
4014 | // set to true if needed, warning: firefox performance problems | |
4015 | // NOT neeeded for page scrolling, only if draggable contained in | |
4016 | // scrollable elements | |
4017 | includeScrollOffsets: false, | |
4018 | ||
4019 | // must be called before calling withinIncludingScrolloffset, every time the | |
4020 | // page is scrolled | |
4021 | prepare: function() { | |
4022 | this.deltaX = window.pageXOffset | |
4023 | || document.documentElement.scrollLeft | |
4024 | || document.body.scrollLeft | |
4025 | || 0; | |
4026 | this.deltaY = window.pageYOffset | |
4027 | || document.documentElement.scrollTop | |
4028 | || document.body.scrollTop | |
4029 | || 0; | |
4030 | }, | |
4031 | ||
14f69488 AD |
4032 | // caches x/y coordinate pair to use with overlap |
4033 | within: function(element, x, y) { | |
4034 | if (this.includeScrollOffsets) | |
4035 | return this.withinIncludingScrolloffsets(element, x, y); | |
4036 | this.xcomp = x; | |
4037 | this.ycomp = y; | |
4b9dfd5b | 4038 | this.offset = Element.cumulativeOffset(element); |
14f69488 AD |
4039 | |
4040 | return (y >= this.offset[1] && | |
4041 | y < this.offset[1] + element.offsetHeight && | |
4042 | x >= this.offset[0] && | |
4043 | x < this.offset[0] + element.offsetWidth); | |
4044 | }, | |
4045 | ||
4046 | withinIncludingScrolloffsets: function(element, x, y) { | |
4b9dfd5b | 4047 | var offsetcache = Element.cumulativeScrollOffset(element); |
14f69488 AD |
4048 | |
4049 | this.xcomp = x + offsetcache[0] - this.deltaX; | |
4050 | this.ycomp = y + offsetcache[1] - this.deltaY; | |
4b9dfd5b | 4051 | this.offset = Element.cumulativeOffset(element); |
14f69488 AD |
4052 | |
4053 | return (this.ycomp >= this.offset[1] && | |
4054 | this.ycomp < this.offset[1] + element.offsetHeight && | |
4055 | this.xcomp >= this.offset[0] && | |
4056 | this.xcomp < this.offset[0] + element.offsetWidth); | |
4057 | }, | |
4058 | ||
4059 | // within must be called directly before | |
4060 | overlap: function(mode, element) { | |
4061 | if (!mode) return 0; | |
4062 | if (mode == 'vertical') | |
4063 | return ((this.offset[1] + element.offsetHeight) - this.ycomp) / | |
4064 | element.offsetHeight; | |
4065 | if (mode == 'horizontal') | |
4066 | return ((this.offset[0] + element.offsetWidth) - this.xcomp) / | |
4067 | element.offsetWidth; | |
4068 | }, | |
4069 | ||
4b9dfd5b | 4070 | // Deprecation layer -- use newer Element methods now (1.5.2). |
14f69488 | 4071 | |
4b9dfd5b | 4072 | cumulativeOffset: Element.Methods.cumulativeOffset, |
14f69488 | 4073 | |
4b9dfd5b | 4074 | positionedOffset: Element.Methods.positionedOffset, |
14f69488 | 4075 | |
4b9dfd5b AD |
4076 | absolutize: function(element) { |
4077 | Position.prepare(); | |
4078 | return Element.absolutize(element); | |
4079 | }, | |
14f69488 | 4080 | |
4b9dfd5b AD |
4081 | relativize: function(element) { |
4082 | Position.prepare(); | |
4083 | return Element.relativize(element); | |
14f69488 AD |
4084 | }, |
4085 | ||
4b9dfd5b | 4086 | realOffset: Element.Methods.cumulativeScrollOffset, |
14f69488 | 4087 | |
4b9dfd5b | 4088 | offsetParent: Element.Methods.getOffsetParent, |
14f69488 | 4089 | |
4b9dfd5b | 4090 | page: Element.Methods.viewportOffset, |
14f69488 | 4091 | |
4b9dfd5b AD |
4092 | clone: function(source, target, options) { |
4093 | options = options || { }; | |
4094 | return Element.clonePosition(target, source, options); | |
4095 | } | |
4096 | }; | |
4097 | ||
4098 | /*--------------------------------------------------------------------------*/ | |
4099 | ||
4100 | if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){ | |
4101 | function iter(name) { | |
4102 | return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]"; | |
4103 | } | |
4104 | ||
4105 | instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ? | |
4106 | function(element, className) { | |
4107 | className = className.toString().strip(); | |
4108 | var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className); | |
4109 | return cond ? document._getElementsByXPath('.//*' + cond, element) : []; | |
4110 | } : function(element, className) { | |
4111 | className = className.toString().strip(); | |
4112 | var elements = [], classNames = (/\s/.test(className) ? $w(className) : null); | |
4113 | if (!classNames && !className) return elements; | |
4114 | ||
4115 | var nodes = $(element).getElementsByTagName('*'); | |
4116 | className = ' ' + className + ' '; | |
4117 | ||
4118 | for (var i = 0, child, cn; child = nodes[i]; i++) { | |
4119 | if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) || | |
4120 | (classNames && classNames.all(function(name) { | |
4121 | return !name.toString().blank() && cn.include(' ' + name + ' '); | |
4122 | })))) | |
4123 | elements.push(Element.extend(child)); | |
14f69488 | 4124 | } |
4b9dfd5b AD |
4125 | return elements; |
4126 | }; | |
14f69488 | 4127 | |
4b9dfd5b AD |
4128 | return function(className, parentElement) { |
4129 | return $(parentElement || document.body).getElementsByClassName(className); | |
4130 | }; | |
4131 | }(Element.Methods); | |
14f69488 | 4132 | |
4b9dfd5b | 4133 | /*--------------------------------------------------------------------------*/ |
14f69488 | 4134 | |
4b9dfd5b AD |
4135 | Element.ClassNames = Class.create(); |
4136 | Element.ClassNames.prototype = { | |
4137 | initialize: function(element) { | |
4138 | this.element = $(element); | |
4139 | }, | |
14f69488 | 4140 | |
4b9dfd5b AD |
4141 | _each: function(iterator) { |
4142 | this.element.className.split(/\s+/).select(function(name) { | |
4143 | return name.length > 0; | |
4144 | })._each(iterator); | |
4145 | }, | |
14f69488 | 4146 | |
4b9dfd5b AD |
4147 | set: function(className) { |
4148 | this.element.className = className; | |
14f69488 AD |
4149 | }, |
4150 | ||
4b9dfd5b AD |
4151 | add: function(classNameToAdd) { |
4152 | if (this.include(classNameToAdd)) return; | |
4153 | this.set($A(this).concat(classNameToAdd).join(' ')); | |
4154 | }, | |
14f69488 | 4155 | |
4b9dfd5b AD |
4156 | remove: function(classNameToRemove) { |
4157 | if (!this.include(classNameToRemove)) return; | |
4158 | this.set($A(this).without(classNameToRemove).join(' ')); | |
4159 | }, | |
14f69488 | 4160 | |
4b9dfd5b AD |
4161 | toString: function() { |
4162 | return $A(this).join(' '); | |
14f69488 | 4163 | } |
4b9dfd5b | 4164 | }; |
14f69488 | 4165 | |
4b9dfd5b | 4166 | Object.extend(Element.ClassNames.prototype, Enumerable); |
14f69488 | 4167 | |
4b9dfd5b | 4168 | /*--------------------------------------------------------------------------*/ |
5c656a9d AD |
4169 | |
4170 | Element.addMethods(); |