1
/* Prototype JavaScript framework, version 1.6.0.3
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* (c) 2005-2008 Sam Stephenson
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* Prototype is freely distributable under the terms of an MIT-style license.
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* For details, see the Prototype web site: http://www.prototypejs.org/
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*--------------------------------------------------------------------------*/
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IE: !!(window.attachEvent &&
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navigator.userAgent.indexOf('Opera') === -1),
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Opera: navigator.userAgent.indexOf('Opera') > -1,
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WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
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Gecko: navigator.userAgent.indexOf('Gecko') > -1 &&
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navigator.userAgent.indexOf('KHTML') === -1,
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MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
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XPath: !!document.evaluate,
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SelectorsAPI: !!document.querySelector,
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ElementExtensions: !!window.HTMLElement,
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SpecificElementExtensions:
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document.createElement('div')['__proto__'] &&
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document.createElement('div')['__proto__'] !==
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document.createElement('form')['__proto__']
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ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
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JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
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emptyFunction: function() { },
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K: function(x) { return x }
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if (Prototype.Browser.MobileSafari)
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Prototype.BrowserFeatures.SpecificElementExtensions = false;
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/* Based on Alex Arnell's inheritance implementation. */
46
var parent = null, properties = $A(arguments);
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if (Object.isFunction(properties[0]))
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parent = properties.shift();
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this.initialize.apply(this, arguments);
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Object.extend(klass, Class.Methods);
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klass.superclass = parent;
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klass.subclasses = [];
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var subclass = function() { };
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subclass.prototype = parent.prototype;
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klass.prototype = new subclass;
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parent.subclasses.push(klass);
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for (var i = 0; i < properties.length; i++)
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klass.addMethods(properties[i]);
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if (!klass.prototype.initialize)
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klass.prototype.initialize = Prototype.emptyFunction;
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klass.prototype.constructor = klass;
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addMethods: function(source) {
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var ancestor = this.superclass && this.superclass.prototype;
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var properties = Object.keys(source);
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if (!Object.keys({ toString: true }).length)
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properties.push("toString", "valueOf");
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for (var i = 0, length = properties.length; i < length; i++) {
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var property = properties[i], value = source[property];
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if (ancestor && Object.isFunction(value) &&
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value.argumentNames().first() == "$super") {
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value = (function(m) {
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return function() { return ancestor[m].apply(this, arguments) };
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})(property).wrap(method);
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value.valueOf = method.valueOf.bind(method);
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value.toString = method.toString.bind(method);
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this.prototype[property] = value;
106
Object.extend = function(destination, source) {
107
for (var property in source)
108
destination[property] = source[property];
112
Object.extend(Object, {
113
inspect: function(object) {
115
if (Object.isUndefined(object)) return 'undefined';
116
if (object === null) return 'null';
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return object.inspect ? object.inspect() : String(object);
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if (e instanceof RangeError) return '...';
124
toJSON: function(object) {
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var type = typeof object;
129
case 'unknown': return;
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case 'boolean': return object.toString();
133
if (object === null) return 'null';
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if (object.toJSON) return object.toJSON();
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if (Object.isElement(object)) return;
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for (var property in object) {
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var value = Object.toJSON(object[property]);
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if (!Object.isUndefined(value))
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results.push(property.toJSON() + ': ' + value);
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return '{' + results.join(', ') + '}';
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toQueryString: function(object) {
148
return $H(object).toQueryString();
151
toHTML: function(object) {
152
return object && object.toHTML ? object.toHTML() : String.interpret(object);
155
keys: function(object) {
157
for (var property in object)
162
values: function(object) {
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for (var property in object)
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values.push(object[property]);
169
clone: function(object) {
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return Object.extend({ }, object);
173
isElement: function(object) {
174
return !!(object && object.nodeType == 1);
177
isArray: function(object) {
178
return object != null && typeof object == "object" &&
179
'splice' in object && 'join' in object;
182
isHash: function(object) {
183
return object instanceof Hash;
186
isFunction: function(object) {
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return typeof object == "function";
190
isString: function(object) {
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return typeof object == "string";
194
isNumber: function(object) {
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return typeof object == "number";
198
isUndefined: function(object) {
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return typeof object == "undefined";
203
Object.extend(Function.prototype, {
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argumentNames: function() {
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var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
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.replace(/\s+/g, '').split(',');
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return names.length == 1 && !names[0] ? [] : names;
211
if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
212
var __method = this, args = $A(arguments), object = args.shift();
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return __method.apply(object, args.concat($A(arguments)));
218
bindAsEventListener: function() {
219
var __method = this, args = $A(arguments), object = args.shift();
220
return function(event) {
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return __method.apply(object, [event || window.event].concat(args));
226
if (!arguments.length) return this;
227
var __method = this, args = $A(arguments);
229
return __method.apply(this, args.concat($A(arguments)));
234
var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
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return window.setTimeout(function() {
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return __method.apply(__method, args);
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var args = [0.01].concat($A(arguments));
242
return this.delay.apply(this, args);
245
wrap: function(wrapper) {
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return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
252
methodize: function() {
253
if (this._methodized) return this._methodized;
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return this._methodized = function() {
256
return __method.apply(null, [this].concat($A(arguments)));
261
Date.prototype.toJSON = function() {
262
return '"' + this.getUTCFullYear() + '-' +
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(this.getUTCMonth() + 1).toPaddedString(2) + '-' +
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this.getUTCDate().toPaddedString(2) + 'T' +
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this.getUTCHours().toPaddedString(2) + ':' +
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this.getUTCMinutes().toPaddedString(2) + ':' +
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this.getUTCSeconds().toPaddedString(2) + 'Z"';
274
for (var i = 0, length = arguments.length; i < length; i++) {
275
var lambda = arguments[i];
277
returnValue = lambda();
286
RegExp.prototype.match = RegExp.prototype.test;
288
RegExp.escape = function(str) {
289
return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
292
/*--------------------------------------------------------------------------*/
294
var PeriodicalExecuter = Class.create({
295
initialize: function(callback, frequency) {
296
this.callback = callback;
297
this.frequency = frequency;
298
this.currentlyExecuting = false;
300
this.registerCallback();
303
registerCallback: function() {
304
this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
307
execute: function() {
312
if (!this.timer) return;
313
clearInterval(this.timer);
317
onTimerEvent: function() {
318
if (!this.currentlyExecuting) {
320
this.currentlyExecuting = true;
323
this.currentlyExecuting = false;
328
Object.extend(String, {
329
interpret: function(value) {
330
return value == null ? '' : String(value);
342
Object.extend(String.prototype, {
343
gsub: function(pattern, replacement) {
344
var result = '', source = this, match;
345
replacement = arguments.callee.prepareReplacement(replacement);
347
while (source.length > 0) {
348
if (match = source.match(pattern)) {
349
result += source.slice(0, match.index);
350
result += String.interpret(replacement(match));
351
source = source.slice(match.index + match[0].length);
353
result += source, source = '';
359
sub: function(pattern, replacement, count) {
360
replacement = this.gsub.prepareReplacement(replacement);
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count = Object.isUndefined(count) ? 1 : count;
363
return this.gsub(pattern, function(match) {
364
if (--count < 0) return match[0];
365
return replacement(match);
369
scan: function(pattern, iterator) {
370
this.gsub(pattern, iterator);
374
truncate: function(length, truncation) {
375
length = length || 30;
376
truncation = Object.isUndefined(truncation) ? '...' : truncation;
377
return this.length > length ?
378
this.slice(0, length - truncation.length) + truncation : String(this);
382
return this.replace(/^\s+/, '').replace(/\s+$/, '');
385
stripTags: function() {
386
return this.replace(/<\/?[^>]+>/gi, '');
389
stripScripts: function() {
390
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
393
extractScripts: function() {
394
var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
395
var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
396
return (this.match(matchAll) || []).map(function(scriptTag) {
397
return (scriptTag.match(matchOne) || ['', ''])[1];
401
evalScripts: function() {
402
return this.extractScripts().map(function(script) { return eval(script) });
405
escapeHTML: function() {
406
var self = arguments.callee;
407
self.text.data = this;
408
return self.div.innerHTML;
411
unescapeHTML: function() {
412
var div = new Element('div');
413
div.innerHTML = this.stripTags();
414
return div.childNodes[0] ? (div.childNodes.length > 1 ?
415
$A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
416
div.childNodes[0].nodeValue) : '';
419
toQueryParams: function(separator) {
420
var match = this.strip().match(/([^?#]*)(#.*)?$/);
421
if (!match) return { };
423
return match[1].split(separator || '&').inject({ }, function(hash, pair) {
424
if ((pair = pair.split('='))[0]) {
425
var key = decodeURIComponent(pair.shift());
426
var value = pair.length > 1 ? pair.join('=') : pair[0];
427
if (value != undefined) value = decodeURIComponent(value);
430
if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
431
hash[key].push(value);
433
else hash[key] = value;
439
toArray: function() {
440
return this.split('');
444
return this.slice(0, this.length - 1) +
445
String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
448
times: function(count) {
449
return count < 1 ? '' : new Array(count + 1).join(this);
452
camelize: function() {
453
var parts = this.split('-'), len = parts.length;
454
if (len == 1) return parts[0];
456
var camelized = this.charAt(0) == '-'
457
? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
460
for (var i = 1; i < len; i++)
461
camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
466
capitalize: function() {
467
return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
470
underscore: function() {
471
return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
474
dasherize: function() {
475
return this.gsub(/_/,'-');
478
inspect: function(useDoubleQuotes) {
479
var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
480
var character = String.specialChar[match[0]];
481
return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
483
if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
484
return "'" + escapedString.replace(/'/g, '\\\'') + "'";
488
return this.inspect(true);
491
unfilterJSON: function(filter) {
492
return this.sub(filter || Prototype.JSONFilter, '#{1}');
497
if (str.blank()) return false;
498
str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
499
return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
502
evalJSON: function(sanitize) {
503
var json = this.unfilterJSON();
505
if (!sanitize || json.isJSON()) return eval('(' + json + ')');
507
throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
510
include: function(pattern) {
511
return this.indexOf(pattern) > -1;
514
startsWith: function(pattern) {
515
return this.indexOf(pattern) === 0;
518
endsWith: function(pattern) {
519
var d = this.length - pattern.length;
520
return d >= 0 && this.lastIndexOf(pattern) === d;
528
return /^\s*$/.test(this);
531
interpolate: function(object, pattern) {
532
return new Template(this, pattern).evaluate(object);
536
if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
537
escapeHTML: function() {
538
return this.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
540
unescapeHTML: function() {
541
return this.stripTags().replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>');
545
String.prototype.gsub.prepareReplacement = function(replacement) {
546
if (Object.isFunction(replacement)) return replacement;
547
var template = new Template(replacement);
548
return function(match) { return template.evaluate(match) };
551
String.prototype.parseQuery = String.prototype.toQueryParams;
553
Object.extend(String.prototype.escapeHTML, {
554
div: document.createElement('div'),
555
text: document.createTextNode('')
558
String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
560
var Template = Class.create({
561
initialize: function(template, pattern) {
562
this.template = template.toString();
563
this.pattern = pattern || Template.Pattern;
566
evaluate: function(object) {
567
if (Object.isFunction(object.toTemplateReplacements))
568
object = object.toTemplateReplacements();
570
return this.template.gsub(this.pattern, function(match) {
571
if (object == null) return '';
573
var before = match[1] || '';
574
if (before == '\\') return match[2];
576
var ctx = object, expr = match[3];
577
var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
578
match = pattern.exec(expr);
579
if (match == null) return before;
581
while (match != null) {
582
var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
584
if (null == ctx || '' == match[3]) break;
585
expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
586
match = pattern.exec(expr);
589
return before + String.interpret(ctx);
593
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
598
each: function(iterator, context) {
601
this._each(function(value) {
602
iterator.call(context, value, index++);
605
if (e != $break) throw e;
610
eachSlice: function(number, iterator, context) {
611
var index = -number, slices = [], array = this.toArray();
612
if (number < 1) return array;
613
while ((index += number) < array.length)
614
slices.push(array.slice(index, index+number));
615
return slices.collect(iterator, context);
618
all: function(iterator, context) {
619
iterator = iterator || Prototype.K;
621
this.each(function(value, index) {
622
result = result && !!iterator.call(context, value, index);
623
if (!result) throw $break;
628
any: function(iterator, context) {
629
iterator = iterator || Prototype.K;
631
this.each(function(value, index) {
632
if (result = !!iterator.call(context, value, index))
638
collect: function(iterator, context) {
639
iterator = iterator || Prototype.K;
641
this.each(function(value, index) {
642
results.push(iterator.call(context, value, index));
647
detect: function(iterator, context) {
649
this.each(function(value, index) {
650
if (iterator.call(context, value, index)) {
658
findAll: function(iterator, context) {
660
this.each(function(value, index) {
661
if (iterator.call(context, value, index))
667
grep: function(filter, iterator, context) {
668
iterator = iterator || Prototype.K;
671
if (Object.isString(filter))
672
filter = new RegExp(filter);
674
this.each(function(value, index) {
675
if (filter.match(value))
676
results.push(iterator.call(context, value, index));
681
include: function(object) {
682
if (Object.isFunction(this.indexOf))
683
if (this.indexOf(object) != -1) return true;
686
this.each(function(value) {
687
if (value == object) {
695
inGroupsOf: function(number, fillWith) {
696
fillWith = Object.isUndefined(fillWith) ? null : fillWith;
697
return this.eachSlice(number, function(slice) {
698
while(slice.length < number) slice.push(fillWith);
703
inject: function(memo, iterator, context) {
704
this.each(function(value, index) {
705
memo = iterator.call(context, memo, value, index);
710
invoke: function(method) {
711
var args = $A(arguments).slice(1);
712
return this.map(function(value) {
713
return value[method].apply(value, args);
717
max: function(iterator, context) {
718
iterator = iterator || Prototype.K;
720
this.each(function(value, index) {
721
value = iterator.call(context, value, index);
722
if (result == null || value >= result)
728
min: function(iterator, context) {
729
iterator = iterator || Prototype.K;
731
this.each(function(value, index) {
732
value = iterator.call(context, value, index);
733
if (result == null || value < result)
739
partition: function(iterator, context) {
740
iterator = iterator || Prototype.K;
741
var trues = [], falses = [];
742
this.each(function(value, index) {
743
(iterator.call(context, value, index) ?
744
trues : falses).push(value);
746
return [trues, falses];
749
pluck: function(property) {
751
this.each(function(value) {
752
results.push(value[property]);
757
reject: function(iterator, context) {
759
this.each(function(value, index) {
760
if (!iterator.call(context, value, index))
766
sortBy: function(iterator, context) {
767
return this.map(function(value, index) {
770
criteria: iterator.call(context, value, index)
772
}).sort(function(left, right) {
773
var a = left.criteria, b = right.criteria;
774
return a < b ? -1 : a > b ? 1 : 0;
778
toArray: function() {
783
var iterator = Prototype.K, args = $A(arguments);
784
if (Object.isFunction(args.last()))
785
iterator = args.pop();
787
var collections = [this].concat(args).map($A);
788
return this.map(function(value, index) {
789
return iterator(collections.pluck(index));
794
return this.toArray().length;
797
inspect: function() {
798
return '#<Enumerable:' + this.toArray().inspect() + '>';
802
Object.extend(Enumerable, {
803
map: Enumerable.collect,
804
find: Enumerable.detect,
805
select: Enumerable.findAll,
806
filter: Enumerable.findAll,
807
member: Enumerable.include,
808
entries: Enumerable.toArray,
809
every: Enumerable.all,
812
function $A(iterable) {
813
if (!iterable) return [];
814
if (iterable.toArray) return iterable.toArray();
815
var length = iterable.length || 0, results = new Array(length);
816
while (length--) results[length] = iterable[length];
820
if (Prototype.Browser.WebKit) {
821
$A = function(iterable) {
822
if (!iterable) return [];
823
// In Safari, only use the `toArray` method if it's not a NodeList.
824
// A NodeList is a function, has an function `item` property, and a numeric
825
// `length` property. Adapted from Google Doctype.
826
if (!(typeof iterable === 'function' && typeof iterable.length ===
827
'number' && typeof iterable.item === 'function') && iterable.toArray)
828
return iterable.toArray();
829
var length = iterable.length || 0, results = new Array(length);
830
while (length--) results[length] = iterable[length];
837
Object.extend(Array.prototype, Enumerable);
839
if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;
841
Object.extend(Array.prototype, {
842
_each: function(iterator) {
843
for (var i = 0, length = this.length; i < length; i++)
857
return this[this.length - 1];
860
compact: function() {
861
return this.select(function(value) {
862
return value != null;
866
flatten: function() {
867
return this.inject([], function(array, value) {
868
return array.concat(Object.isArray(value) ?
869
value.flatten() : [value]);
873
without: function() {
874
var values = $A(arguments);
875
return this.select(function(value) {
876
return !values.include(value);
880
reverse: function(inline) {
881
return (inline !== false ? this : this.toArray())._reverse();
885
return this.length > 1 ? this : this[0];
888
uniq: function(sorted) {
889
return this.inject([], function(array, value, index) {
890
if (0 == index || (sorted ? array.last() != value : !array.include(value)))
896
intersect: function(array) {
897
return this.uniq().findAll(function(item) {
898
return array.detect(function(value) { return item === value });
903
return [].concat(this);
910
inspect: function() {
911
return '[' + this.map(Object.inspect).join(', ') + ']';
916
this.each(function(object) {
917
var value = Object.toJSON(object);
918
if (!Object.isUndefined(value)) results.push(value);
920
return '[' + results.join(', ') + ']';
924
// use native browser JS 1.6 implementation if available
925
if (Object.isFunction(Array.prototype.forEach))
926
Array.prototype._each = Array.prototype.forEach;
928
if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
930
var length = this.length;
931
if (i < 0) i = length + i;
932
for (; i < length; i++)
933
if (this[i] === item) return i;
937
if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
938
i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
939
var n = this.slice(0, i).reverse().indexOf(item);
940
return (n < 0) ? n : i - n - 1;
943
Array.prototype.toArray = Array.prototype.clone;
945
function $w(string) {
946
if (!Object.isString(string)) return [];
947
string = string.strip();
948
return string ? string.split(/\s+/) : [];
951
if (Prototype.Browser.Opera){
952
Array.prototype.concat = function() {
954
for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
955
for (var i = 0, length = arguments.length; i < length; i++) {
956
if (Object.isArray(arguments[i])) {
957
for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
958
array.push(arguments[i][j]);
960
array.push(arguments[i]);
966
Object.extend(Number.prototype, {
967
toColorPart: function() {
968
return this.toPaddedString(2, 16);
975
times: function(iterator, context) {
976
$R(0, this, true).each(iterator, context);
980
toPaddedString: function(length, radix) {
981
var string = this.toString(radix || 10);
982
return '0'.times(length - string.length) + string;
986
return isFinite(this) ? this.toString() : 'null';
990
$w('abs round ceil floor').each(function(method){
991
Number.prototype[method] = Math[method].methodize();
993
function $H(object) {
994
return new Hash(object);
997
var Hash = Class.create(Enumerable, (function() {
999
function toQueryPair(key, value) {
1000
if (Object.isUndefined(value)) return key;
1001
return key + '=' + encodeURIComponent(String.interpret(value));
1005
initialize: function(object) {
1006
this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
1009
_each: function(iterator) {
1010
for (var key in this._object) {
1011
var value = this._object[key], pair = [key, value];
1018
set: function(key, value) {
1019
return this._object[key] = value;
1022
get: function(key) {
1023
// simulating poorly supported hasOwnProperty
1024
if (this._object[key] !== Object.prototype[key])
1025
return this._object[key];
1028
unset: function(key) {
1029
var value = this._object[key];
1030
delete this._object[key];
1034
toObject: function() {
1035
return Object.clone(this._object);
1039
return this.pluck('key');
1042
values: function() {
1043
return this.pluck('value');
1046
index: function(value) {
1047
var match = this.detect(function(pair) {
1048
return pair.value === value;
1050
return match && match.key;
1053
merge: function(object) {
1054
return this.clone().update(object);
1057
update: function(object) {
1058
return new Hash(object).inject(this, function(result, pair) {
1059
result.set(pair.key, pair.value);
1064
toQueryString: function() {
1065
return this.inject([], function(results, pair) {
1066
var key = encodeURIComponent(pair.key), values = pair.value;
1068
if (values && typeof values == 'object') {
1069
if (Object.isArray(values))
1070
return results.concat(values.map(toQueryPair.curry(key)));
1071
} else results.push(toQueryPair(key, values));
1076
inspect: function() {
1077
return '#<Hash:{' + this.map(function(pair) {
1078
return pair.map(Object.inspect).join(': ');
1079
}).join(', ') + '}>';
1082
toJSON: function() {
1083
return Object.toJSON(this.toObject());
1087
return new Hash(this);
1092
Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
1094
var ObjectRange = Class.create(Enumerable, {
1095
initialize: function(start, end, exclusive) {
1098
this.exclusive = exclusive;
1101
_each: function(iterator) {
1102
var value = this.start;
1103
while (this.include(value)) {
1105
value = value.succ();
1109
include: function(value) {
1110
if (value < this.start)
1113
return value < this.end;
1114
return value <= this.end;
1118
var $R = function(start, end, exclusive) {
1119
return new ObjectRange(start, end, exclusive);
1123
getTransport: function() {
1125
function() {return new XMLHttpRequest()},
1126
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
1127
function() {return new ActiveXObject('Microsoft.XMLHTTP')}
1131
activeRequestCount: 0
1137
_each: function(iterator) {
1138
this.responders._each(iterator);
1141
register: function(responder) {
1142
if (!this.include(responder))
1143
this.responders.push(responder);
1146
unregister: function(responder) {
1147
this.responders = this.responders.without(responder);
1150
dispatch: function(callback, request, transport, json) {
1151
this.each(function(responder) {
1152
if (Object.isFunction(responder[callback])) {
1154
responder[callback].apply(responder, [request, transport, json]);
1161
Object.extend(Ajax.Responders, Enumerable);
1163
Ajax.Responders.register({
1164
onCreate: function() { Ajax.activeRequestCount++ },
1165
onComplete: function() { Ajax.activeRequestCount-- }
1168
Ajax.Base = Class.create({
1169
initialize: function(options) {
1173
contentType: 'application/x-www-form-urlencoded',
1179
Object.extend(this.options, options || { });
1181
this.options.method = this.options.method.toLowerCase();
1183
if (Object.isString(this.options.parameters))
1184
this.options.parameters = this.options.parameters.toQueryParams();
1185
else if (Object.isHash(this.options.parameters))
1186
this.options.parameters = this.options.parameters.toObject();
1190
Ajax.Request = Class.create(Ajax.Base, {
1193
initialize: function($super, url, options) {
1195
this.transport = Ajax.getTransport();
1199
request: function(url) {
1201
this.method = this.options.method;
1202
var params = Object.clone(this.options.parameters);
1204
if (!['get', 'post'].include(this.method)) {
1205
// simulate other verbs over post
1206
params['_method'] = this.method;
1207
this.method = 'post';
1210
this.parameters = params;
1212
if (params = Object.toQueryString(params)) {
1213
// when GET, append parameters to URL
1214
if (this.method == 'get')
1215
this.url += (this.url.include('?') ? '&' : '?') + params;
1216
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
1221
var response = new Ajax.Response(this);
1222
if (this.options.onCreate) this.options.onCreate(response);
1223
Ajax.Responders.dispatch('onCreate', this, response);
1225
this.transport.open(this.method.toUpperCase(), this.url,
1226
this.options.asynchronous);
1228
if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
1230
this.transport.onreadystatechange = this.onStateChange.bind(this);
1231
this.setRequestHeaders();
1233
this.body = this.method == 'post' ? (this.options.postBody || params) : null;
1234
this.transport.send(this.body);
1236
/* Force Firefox to handle ready state 4 for synchronous requests */
1237
if (!this.options.asynchronous && this.transport.overrideMimeType)
1238
this.onStateChange();
1242
this.dispatchException(e);
1246
onStateChange: function() {
1247
var readyState = this.transport.readyState;
1248
if (readyState > 1 && !((readyState == 4) && this._complete))
1249
this.respondToReadyState(this.transport.readyState);
1252
setRequestHeaders: function() {
1254
'X-Requested-With': 'XMLHttpRequest',
1255
'X-Prototype-Version': Prototype.Version,
1256
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
1259
if (this.method == 'post') {
1260
headers['Content-type'] = this.options.contentType +
1261
(this.options.encoding ? '; charset=' + this.options.encoding : '');
1263
/* Force "Connection: close" for older Mozilla browsers to work
1264
* around a bug where XMLHttpRequest sends an incorrect
1265
* Content-length header. See Mozilla Bugzilla #246651.
1267
if (this.transport.overrideMimeType &&
1268
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
1269
headers['Connection'] = 'close';
1272
// user-defined headers
1273
if (typeof this.options.requestHeaders == 'object') {
1274
var extras = this.options.requestHeaders;
1276
if (Object.isFunction(extras.push))
1277
for (var i = 0, length = extras.length; i < length; i += 2)
1278
headers[extras[i]] = extras[i+1];
1280
$H(extras).each(function(pair) { headers[pair.key] = pair.value });
1283
for (var name in headers)
1284
this.transport.setRequestHeader(name, headers[name]);
1287
success: function() {
1288
var status = this.getStatus();
1289
return !status || (status >= 200 && status < 300);
1292
getStatus: function() {
1294
return this.transport.status || 0;
1295
} catch (e) { return 0 }
1298
respondToReadyState: function(readyState) {
1299
var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
1301
if (state == 'Complete') {
1303
this._complete = true;
1304
(this.options['on' + response.status]
1305
|| this.options['on' + (this.success() ? 'Success' : 'Failure')]
1306
|| Prototype.emptyFunction)(response, response.headerJSON);
1308
this.dispatchException(e);
1311
var contentType = response.getHeader('Content-type');
1312
if (this.options.evalJS == 'force'
1313
|| (this.options.evalJS && this.isSameOrigin() && contentType
1314
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
1315
this.evalResponse();
1319
(this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
1320
Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
1322
this.dispatchException(e);
1325
if (state == 'Complete') {
1326
// avoid memory leak in MSIE: clean up
1327
this.transport.onreadystatechange = Prototype.emptyFunction;
1331
isSameOrigin: function() {
1332
var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
1333
return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
1334
protocol: location.protocol,
1335
domain: document.domain,
1336
port: location.port ? ':' + location.port : ''
1340
getHeader: function(name) {
1342
return this.transport.getResponseHeader(name) || null;
1343
} catch (e) { return null }
1346
evalResponse: function() {
1348
return eval((this.transport.responseText || '').unfilterJSON());
1350
this.dispatchException(e);
1354
dispatchException: function(exception) {
1355
(this.options.onException || Prototype.emptyFunction)(this, exception);
1356
Ajax.Responders.dispatch('onException', this, exception);
1360
Ajax.Request.Events =
1361
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
1363
Ajax.Response = Class.create({
1364
initialize: function(request){
1365
this.request = request;
1366
var transport = this.transport = request.transport,
1367
readyState = this.readyState = transport.readyState;
1369
if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
1370
this.status = this.getStatus();
1371
this.statusText = this.getStatusText();
1372
this.responseText = String.interpret(transport.responseText);
1373
this.headerJSON = this._getHeaderJSON();
1376
if(readyState == 4) {
1377
var xml = transport.responseXML;
1378
this.responseXML = Object.isUndefined(xml) ? null : xml;
1379
this.responseJSON = this._getResponseJSON();
1386
getStatus: Ajax.Request.prototype.getStatus,
1388
getStatusText: function() {
1390
return this.transport.statusText || '';
1391
} catch (e) { return '' }
1394
getHeader: Ajax.Request.prototype.getHeader,
1396
getAllHeaders: function() {
1398
return this.getAllResponseHeaders();
1399
} catch (e) { return null }
1402
getResponseHeader: function(name) {
1403
return this.transport.getResponseHeader(name);
1406
getAllResponseHeaders: function() {
1407
return this.transport.getAllResponseHeaders();
1410
_getHeaderJSON: function() {
1411
var json = this.getHeader('X-JSON');
1412
if (!json) return null;
1413
json = decodeURIComponent(escape(json));
1415
return json.evalJSON(this.request.options.sanitizeJSON ||
1416
!this.request.isSameOrigin());
1418
this.request.dispatchException(e);
1422
_getResponseJSON: function() {
1423
var options = this.request.options;
1424
if (!options.evalJSON || (options.evalJSON != 'force' &&
1425
!(this.getHeader('Content-type') || '').include('application/json')) ||
1426
this.responseText.blank())
1429
return this.responseText.evalJSON(options.sanitizeJSON ||
1430
!this.request.isSameOrigin());
1432
this.request.dispatchException(e);
1437
Ajax.Updater = Class.create(Ajax.Request, {
1438
initialize: function($super, container, url, options) {
1440
success: (container.success || container),
1441
failure: (container.failure || (container.success ? null : container))
1444
options = Object.clone(options);
1445
var onComplete = options.onComplete;
1446
options.onComplete = (function(response, json) {
1447
this.updateContent(response.responseText);
1448
if (Object.isFunction(onComplete)) onComplete(response, json);
1451
$super(url, options);
1454
updateContent: function(responseText) {
1455
var receiver = this.container[this.success() ? 'success' : 'failure'],
1456
options = this.options;
1458
if (!options.evalScripts) responseText = responseText.stripScripts();
1460
if (receiver = $(receiver)) {
1461
if (options.insertion) {
1462
if (Object.isString(options.insertion)) {
1463
var insertion = { }; insertion[options.insertion] = responseText;
1464
receiver.insert(insertion);
1466
else options.insertion(receiver, responseText);
1468
else receiver.update(responseText);
1473
Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
1474
initialize: function($super, container, url, options) {
1476
this.onComplete = this.options.onComplete;
1478
this.frequency = (this.options.frequency || 2);
1479
this.decay = (this.options.decay || 1);
1482
this.container = container;
1489
this.options.onComplete = this.updateComplete.bind(this);
1490
this.onTimerEvent();
1494
this.updater.options.onComplete = undefined;
1495
clearTimeout(this.timer);
1496
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
1499
updateComplete: function(response) {
1500
if (this.options.decay) {
1501
this.decay = (response.responseText == this.lastText ?
1502
this.decay * this.options.decay : 1);
1504
this.lastText = response.responseText;
1506
this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
1509
onTimerEvent: function() {
1510
this.updater = new Ajax.Updater(this.container, this.url, this.options);
1513
function $(element) {
1514
if (arguments.length > 1) {
1515
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
1516
elements.push($(arguments[i]));
1519
if (Object.isString(element))
1520
element = document.getElementById(element);
1521
return Element.extend(element);
1524
if (Prototype.BrowserFeatures.XPath) {
1525
document._getElementsByXPath = function(expression, parentElement) {
1527
var query = document.evaluate(expression, $(parentElement) || document,
1528
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
1529
for (var i = 0, length = query.snapshotLength; i < length; i++)
1530
results.push(Element.extend(query.snapshotItem(i)));
1535
/*--------------------------------------------------------------------------*/
1537
if (!window.Node) var Node = { };
1539
if (!Node.ELEMENT_NODE) {
1540
// DOM level 2 ECMAScript Language Binding
1541
Object.extend(Node, {
1545
CDATA_SECTION_NODE: 4,
1546
ENTITY_REFERENCE_NODE: 5,
1548
PROCESSING_INSTRUCTION_NODE: 7,
1551
DOCUMENT_TYPE_NODE: 10,
1552
DOCUMENT_FRAGMENT_NODE: 11,
1558
var element = this.Element;
1559
this.Element = function(tagName, attributes) {
1560
attributes = attributes || { };
1561
tagName = tagName.toLowerCase();
1562
var cache = Element.cache;
1563
if (Prototype.Browser.IE && attributes.name) {
1564
tagName = '<' + tagName + ' name="' + attributes.name + '">';
1565
delete attributes.name;
1566
return Element.writeAttribute(document.createElement(tagName), attributes);
1568
if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
1569
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
1571
Object.extend(this.Element, element || { });
1572
if (element) this.Element.prototype = element.prototype;
1575
Element.cache = { };
1578
visible: function(element) {
1579
return $(element).style.display != 'none';
1582
toggle: function(element) {
1583
element = $(element);
1584
Element[Element.visible(element) ? 'hide' : 'show'](element);
1588
hide: function(element) {
1589
element = $(element);
1590
element.style.display = 'none';
1594
show: function(element) {
1595
element = $(element);
1596
element.style.display = '';
1600
remove: function(element) {
1601
element = $(element);
1602
element.parentNode.removeChild(element);
1606
update: function(element, content) {
1607
element = $(element);
1608
if (content && content.toElement) content = content.toElement();
1609
if (Object.isElement(content)) return element.update().insert(content);
1610
content = Object.toHTML(content);
1611
element.innerHTML = content.stripScripts();
1612
content.evalScripts.bind(content).defer();
1616
replace: function(element, content) {
1617
element = $(element);
1618
if (content && content.toElement) content = content.toElement();
1619
else if (!Object.isElement(content)) {
1620
content = Object.toHTML(content);
1621
var range = element.ownerDocument.createRange();
1622
range.selectNode(element);
1623
content.evalScripts.bind(content).defer();
1624
content = range.createContextualFragment(content.stripScripts());
1626
element.parentNode.replaceChild(content, element);
1630
insert: function(element, insertions) {
1631
element = $(element);
1633
if (Object.isString(insertions) || Object.isNumber(insertions) ||
1634
Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
1635
insertions = {bottom:insertions};
1637
var content, insert, tagName, childNodes;
1639
for (var position in insertions) {
1640
content = insertions[position];
1641
position = position.toLowerCase();
1642
insert = Element._insertionTranslations[position];
1644
if (content && content.toElement) content = content.toElement();
1645
if (Object.isElement(content)) {
1646
insert(element, content);
1650
content = Object.toHTML(content);
1652
tagName = ((position == 'before' || position == 'after')
1653
? element.parentNode : element).tagName.toUpperCase();
1655
childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
1657
if (position == 'top' || position == 'after') childNodes.reverse();
1658
childNodes.each(insert.curry(element));
1660
content.evalScripts.bind(content).defer();
1666
wrap: function(element, wrapper, attributes) {
1667
element = $(element);
1668
if (Object.isElement(wrapper))
1669
$(wrapper).writeAttribute(attributes || { });
1670
else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
1671
else wrapper = new Element('div', wrapper);
1672
if (element.parentNode)
1673
element.parentNode.replaceChild(wrapper, element);
1674
wrapper.appendChild(element);
1678
inspect: function(element) {
1679
element = $(element);
1680
var result = '<' + element.tagName.toLowerCase();
1681
$H({'id': 'id', 'className': 'class'}).each(function(pair) {
1682
var property = pair.first(), attribute = pair.last();
1683
var value = (element[property] || '').toString();
1684
if (value) result += ' ' + attribute + '=' + value.inspect(true);
1686
return result + '>';
1689
recursivelyCollect: function(element, property) {
1690
element = $(element);
1692
while (element = element[property])
1693
if (element.nodeType == 1)
1694
elements.push(Element.extend(element));
1698
ancestors: function(element) {
1699
return $(element).recursivelyCollect('parentNode');
1702
descendants: function(element) {
1703
return $(element).select("*");
1706
firstDescendant: function(element) {
1707
element = $(element).firstChild;
1708
while (element && element.nodeType != 1) element = element.nextSibling;
1712
immediateDescendants: function(element) {
1713
if (!(element = $(element).firstChild)) return [];
1714
while (element && element.nodeType != 1) element = element.nextSibling;
1715
if (element) return [element].concat($(element).nextSiblings());
1719
previousSiblings: function(element) {
1720
return $(element).recursivelyCollect('previousSibling');
1723
nextSiblings: function(element) {
1724
return $(element).recursivelyCollect('nextSibling');
1727
siblings: function(element) {
1728
element = $(element);
1729
return element.previousSiblings().reverse().concat(element.nextSiblings());
1732
match: function(element, selector) {
1733
if (Object.isString(selector))
1734
selector = new Selector(selector);
1735
return selector.match($(element));
1738
up: function(element, expression, index) {
1739
element = $(element);
1740
if (arguments.length == 1) return $(element.parentNode);
1741
var ancestors = element.ancestors();
1742
return Object.isNumber(expression) ? ancestors[expression] :
1743
Selector.findElement(ancestors, expression, index);
1746
down: function(element, expression, index) {
1747
element = $(element);
1748
if (arguments.length == 1) return element.firstDescendant();
1749
return Object.isNumber(expression) ? element.descendants()[expression] :
1750
Element.select(element, expression)[index || 0];
1753
previous: function(element, expression, index) {
1754
element = $(element);
1755
if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
1756
var previousSiblings = element.previousSiblings();
1757
return Object.isNumber(expression) ? previousSiblings[expression] :
1758
Selector.findElement(previousSiblings, expression, index);
1761
next: function(element, expression, index) {
1762
element = $(element);
1763
if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
1764
var nextSiblings = element.nextSiblings();
1765
return Object.isNumber(expression) ? nextSiblings[expression] :
1766
Selector.findElement(nextSiblings, expression, index);
1769
select: function() {
1770
var args = $A(arguments), element = $(args.shift());
1771
return Selector.findChildElements(element, args);
1774
adjacent: function() {
1775
var args = $A(arguments), element = $(args.shift());
1776
return Selector.findChildElements(element.parentNode, args).without(element);
1779
identify: function(element) {
1780
element = $(element);
1781
var id = element.readAttribute('id'), self = arguments.callee;
1783
do { id = 'anonymous_element_' + self.counter++ } while ($(id));
1784
element.writeAttribute('id', id);
1788
readAttribute: function(element, name) {
1789
element = $(element);
1790
if (Prototype.Browser.IE) {
1791
var t = Element._attributeTranslations.read;
1792
if (t.values[name]) return t.values[name](element, name);
1793
if (t.names[name]) name = t.names[name];
1794
if (name.include(':')) {
1795
return (!element.attributes || !element.attributes[name]) ? null :
1796
element.attributes[name].value;
1799
return element.getAttribute(name);
1802
writeAttribute: function(element, name, value) {
1803
element = $(element);
1804
var attributes = { }, t = Element._attributeTranslations.write;
1806
if (typeof name == 'object') attributes = name;
1807
else attributes[name] = Object.isUndefined(value) ? true : value;
1809
for (var attr in attributes) {
1810
name = t.names[attr] || attr;
1811
value = attributes[attr];
1812
if (t.values[attr]) name = t.values[attr](element, value);
1813
if (value === false || value === null)
1814
element.removeAttribute(name);
1815
else if (value === true)
1816
element.setAttribute(name, name);
1817
else element.setAttribute(name, value);
1822
getHeight: function(element) {
1823
return $(element).getDimensions().height;
1826
getWidth: function(element) {
1827
return $(element).getDimensions().width;
1830
classNames: function(element) {
1831
return new Element.ClassNames(element);
1834
hasClassName: function(element, className) {
1835
if (!(element = $(element))) return;
1836
var elementClassName = element.className;
1837
return (elementClassName.length > 0 && (elementClassName == className ||
1838
new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
1841
addClassName: function(element, className) {
1842
if (!(element = $(element))) return;
1843
if (!element.hasClassName(className))
1844
element.className += (element.className ? ' ' : '') + className;
1848
removeClassName: function(element, className) {
1849
if (!(element = $(element))) return;
1850
element.className = element.className.replace(
1851
new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
1855
toggleClassName: function(element, className) {
1856
if (!(element = $(element))) return;
1857
return element[element.hasClassName(className) ?
1858
'removeClassName' : 'addClassName'](className);
1861
// removes whitespace-only text node children
1862
cleanWhitespace: function(element) {
1863
element = $(element);
1864
var node = element.firstChild;
1866
var nextNode = node.nextSibling;
1867
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
1868
element.removeChild(node);
1874
empty: function(element) {
1875
return $(element).innerHTML.blank();
1878
descendantOf: function(element, ancestor) {
1879
element = $(element), ancestor = $(ancestor);
1881
if (element.compareDocumentPosition)
1882
return (element.compareDocumentPosition(ancestor) & 8) === 8;
1884
if (ancestor.contains)
1885
return ancestor.contains(element) && ancestor !== element;
1887
while (element = element.parentNode)
1888
if (element == ancestor) return true;
1893
scrollTo: function(element) {
1894
element = $(element);
1895
var pos = element.cumulativeOffset();
1896
window.scrollTo(pos[0], pos[1]);
1900
getStyle: function(element, style) {
1901
element = $(element);
1902
style = style == 'float' ? 'cssFloat' : style.camelize();
1903
var value = element.style[style];
1904
if (!value || value == 'auto') {
1905
var css = document.defaultView.getComputedStyle(element, null);
1906
value = css ? css[style] : null;
1908
if (style == 'opacity') return value ? parseFloat(value) : 1.0;
1909
return value == 'auto' ? null : value;
1912
getOpacity: function(element) {
1913
return $(element).getStyle('opacity');
1916
setStyle: function(element, styles) {
1917
element = $(element);
1918
var elementStyle = element.style, match;
1919
if (Object.isString(styles)) {
1920
element.style.cssText += ';' + styles;
1921
return styles.include('opacity') ?
1922
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
1924
for (var property in styles)
1925
if (property == 'opacity') element.setOpacity(styles[property]);
1927
elementStyle[(property == 'float' || property == 'cssFloat') ?
1928
(Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
1929
property] = styles[property];
1934
setOpacity: function(element, value) {
1935
element = $(element);
1936
element.style.opacity = (value == 1 || value === '') ? '' :
1937
(value < 0.00001) ? 0 : value;
1941
getDimensions: function(element) {
1942
element = $(element);
1943
var display = element.getStyle('display');
1944
if (display != 'none' && display != null) // Safari bug
1945
return {width: element.offsetWidth, height: element.offsetHeight};
1947
// All *Width and *Height properties give 0 on elements with display none,
1948
// so enable the element temporarily
1949
var els = element.style;
1950
var originalVisibility = els.visibility;
1951
var originalPosition = els.position;
1952
var originalDisplay = els.display;
1953
els.visibility = 'hidden';
1954
els.position = 'absolute';
1955
els.display = 'block';
1956
var originalWidth = element.clientWidth;
1957
var originalHeight = element.clientHeight;
1958
els.display = originalDisplay;
1959
els.position = originalPosition;
1960
els.visibility = originalVisibility;
1961
return {width: originalWidth, height: originalHeight};
1964
makePositioned: function(element) {
1965
element = $(element);
1966
var pos = Element.getStyle(element, 'position');
1967
if (pos == 'static' || !pos) {
1968
element._madePositioned = true;
1969
element.style.position = 'relative';
1970
// Opera returns the offset relative to the positioning context, when an
1971
// element is position relative but top and left have not been defined
1972
if (Prototype.Browser.Opera) {
1973
element.style.top = 0;
1974
element.style.left = 0;
1980
undoPositioned: function(element) {
1981
element = $(element);
1982
if (element._madePositioned) {
1983
element._madePositioned = undefined;
1984
element.style.position =
1986
element.style.left =
1987
element.style.bottom =
1988
element.style.right = '';
1993
makeClipping: function(element) {
1994
element = $(element);
1995
if (element._overflow) return element;
1996
element._overflow = Element.getStyle(element, 'overflow') || 'auto';
1997
if (element._overflow !== 'hidden')
1998
element.style.overflow = 'hidden';
2002
undoClipping: function(element) {
2003
element = $(element);
2004
if (!element._overflow) return element;
2005
element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
2006
element._overflow = null;
2010
cumulativeOffset: function(element) {
2011
var valueT = 0, valueL = 0;
2013
valueT += element.offsetTop || 0;
2014
valueL += element.offsetLeft || 0;
2015
element = element.offsetParent;
2017
return Element._returnOffset(valueL, valueT);
2020
positionedOffset: function(element) {
2021
var valueT = 0, valueL = 0;
2023
valueT += element.offsetTop || 0;
2024
valueL += element.offsetLeft || 0;
2025
element = element.offsetParent;
2027
if (element.tagName.toUpperCase() == 'BODY') break;
2028
var p = Element.getStyle(element, 'position');
2029
if (p !== 'static') break;
2032
return Element._returnOffset(valueL, valueT);
2035
absolutize: function(element) {
2036
element = $(element);
2037
if (element.getStyle('position') == 'absolute') return element;
2038
// Position.prepare(); // To be done manually by Scripty when it needs it.
2040
var offsets = element.positionedOffset();
2041
var top = offsets[1];
2042
var left = offsets[0];
2043
var width = element.clientWidth;
2044
var height = element.clientHeight;
2046
element._originalLeft = left - parseFloat(element.style.left || 0);
2047
element._originalTop = top - parseFloat(element.style.top || 0);
2048
element._originalWidth = element.style.width;
2049
element._originalHeight = element.style.height;
2051
element.style.position = 'absolute';
2052
element.style.top = top + 'px';
2053
element.style.left = left + 'px';
2054
element.style.width = width + 'px';
2055
element.style.height = height + 'px';
2059
relativize: function(element) {
2060
element = $(element);
2061
if (element.getStyle('position') == 'relative') return element;
2062
// Position.prepare(); // To be done manually by Scripty when it needs it.
2064
element.style.position = 'relative';
2065
var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
2066
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
2068
element.style.top = top + 'px';
2069
element.style.left = left + 'px';
2070
element.style.height = element._originalHeight;
2071
element.style.width = element._originalWidth;
2075
cumulativeScrollOffset: function(element) {
2076
var valueT = 0, valueL = 0;
2078
valueT += element.scrollTop || 0;
2079
valueL += element.scrollLeft || 0;
2080
element = element.parentNode;
2082
return Element._returnOffset(valueL, valueT);
2085
getOffsetParent: function(element) {
2086
if (element.offsetParent) return $(element.offsetParent);
2087
if (element == document.body) return $(element);
2089
while ((element = element.parentNode) && element != document.body)
2090
if (Element.getStyle(element, 'position') != 'static')
2093
return $(document.body);
2096
viewportOffset: function(forElement) {
2097
var valueT = 0, valueL = 0;
2099
var element = forElement;
2101
valueT += element.offsetTop || 0;
2102
valueL += element.offsetLeft || 0;
2105
if (element.offsetParent == document.body &&
2106
Element.getStyle(element, 'position') == 'absolute') break;
2108
} while (element = element.offsetParent);
2110
element = forElement;
2112
if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
2113
valueT -= element.scrollTop || 0;
2114
valueL -= element.scrollLeft || 0;
2116
} while (element = element.parentNode);
2118
return Element._returnOffset(valueL, valueT);
2121
clonePosition: function(element, source) {
2122
var options = Object.extend({
2129
}, arguments[2] || { });
2131
// find page position of source
2133
var p = source.viewportOffset();
2135
// find coordinate system to use
2136
element = $(element);
2139
// delta [0,0] will do fine with position: fixed elements,
2140
// position:absolute needs offsetParent deltas
2141
if (Element.getStyle(element, 'position') == 'absolute') {
2142
parent = element.getOffsetParent();
2143
delta = parent.viewportOffset();
2146
// correct by body offsets (fixes Safari)
2147
if (parent == document.body) {
2148
delta[0] -= document.body.offsetLeft;
2149
delta[1] -= document.body.offsetTop;
2153
if (options.setLeft) element.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
2154
if (options.setTop) element.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
2155
if (options.setWidth) element.style.width = source.offsetWidth + 'px';
2156
if (options.setHeight) element.style.height = source.offsetHeight + 'px';
2161
Element.Methods.identify.counter = 1;
2163
Object.extend(Element.Methods, {
2164
getElementsBySelector: Element.Methods.select,
2165
childElements: Element.Methods.immediateDescendants
2168
Element._attributeTranslations = {
2178
if (Prototype.Browser.Opera) {
2179
Element.Methods.getStyle = Element.Methods.getStyle.wrap(
2180
function(proceed, element, style) {
2182
case 'left': case 'top': case 'right': case 'bottom':
2183
if (proceed(element, 'position') === 'static') return null;
2184
case 'height': case 'width':
2185
// returns '0px' for hidden elements; we want it to return null
2186
if (!Element.visible(element)) return null;
2188
// returns the border-box dimensions rather than the content-box
2189
// dimensions, so we subtract padding and borders from the value
2190
var dim = parseInt(proceed(element, style), 10);
2192
if (dim !== element['offset' + style.capitalize()])
2196
if (style === 'height') {
2197
properties = ['border-top-width', 'padding-top',
2198
'padding-bottom', 'border-bottom-width'];
2201
properties = ['border-left-width', 'padding-left',
2202
'padding-right', 'border-right-width'];
2204
return properties.inject(dim, function(memo, property) {
2205
var val = proceed(element, property);
2206
return val === null ? memo : memo - parseInt(val, 10);
2208
default: return proceed(element, style);
2213
Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
2214
function(proceed, element, attribute) {
2215
if (attribute === 'title') return element.title;
2216
return proceed(element, attribute);
2221
else if (Prototype.Browser.IE) {
2222
// IE doesn't report offsets correctly for static elements, so we change them
2223
// to "relative" to get the values, then change them back.
2224
Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
2225
function(proceed, element) {
2226
element = $(element);
2227
// IE throws an error if element is not in document
2228
try { element.offsetParent }
2229
catch(e) { return $(document.body) }
2230
var position = element.getStyle('position');
2231
if (position !== 'static') return proceed(element);
2232
element.setStyle({ position: 'relative' });
2233
var value = proceed(element);
2234
element.setStyle({ position: position });
2239
$w('positionedOffset viewportOffset').each(function(method) {
2240
Element.Methods[method] = Element.Methods[method].wrap(
2241
function(proceed, element) {
2242
element = $(element);
2243
try { element.offsetParent }
2244
catch(e) { return Element._returnOffset(0,0) }
2245
var position = element.getStyle('position');
2246
if (position !== 'static') return proceed(element);
2247
// Trigger hasLayout on the offset parent so that IE6 reports
2248
// accurate offsetTop and offsetLeft values for position: fixed.
2249
var offsetParent = element.getOffsetParent();
2250
if (offsetParent && offsetParent.getStyle('position') === 'fixed')
2251
offsetParent.setStyle({ zoom: 1 });
2252
element.setStyle({ position: 'relative' });
2253
var value = proceed(element);
2254
element.setStyle({ position: position });
2260
Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
2261
function(proceed, element) {
2262
try { element.offsetParent }
2263
catch(e) { return Element._returnOffset(0,0) }
2264
return proceed(element);
2268
Element.Methods.getStyle = function(element, style) {
2269
element = $(element);
2270
style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
2271
var value = element.style[style];
2272
if (!value && element.currentStyle) value = element.currentStyle[style];
2274
if (style == 'opacity') {
2275
if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
2276
if (value[1]) return parseFloat(value[1]) / 100;
2280
if (value == 'auto') {
2281
if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
2282
return element['offset' + style.capitalize()] + 'px';
2288
Element.Methods.setOpacity = function(element, value) {
2289
function stripAlpha(filter){
2290
return filter.replace(/alpha\([^\)]*\)/gi,'');
2292
element = $(element);
2293
var currentStyle = element.currentStyle;
2294
if ((currentStyle && !currentStyle.hasLayout) ||
2295
(!currentStyle && element.style.zoom == 'normal'))
2296
element.style.zoom = 1;
2298
var filter = element.getStyle('filter'), style = element.style;
2299
if (value == 1 || value === '') {
2300
(filter = stripAlpha(filter)) ?
2301
style.filter = filter : style.removeAttribute('filter');
2303
} else if (value < 0.00001) value = 0;
2304
style.filter = stripAlpha(filter) +
2305
'alpha(opacity=' + (value * 100) + ')';
2309
Element._attributeTranslations = {
2312
'class': 'className',
2316
_getAttr: function(element, attribute) {
2317
return element.getAttribute(attribute, 2);
2319
_getAttrNode: function(element, attribute) {
2320
var node = element.getAttributeNode(attribute);
2321
return node ? node.value : "";
2323
_getEv: function(element, attribute) {
2324
attribute = element.getAttribute(attribute);
2325
return attribute ? attribute.toString().slice(23, -2) : null;
2327
_flag: function(element, attribute) {
2328
return $(element).hasAttribute(attribute) ? attribute : null;
2330
style: function(element) {
2331
return element.style.cssText.toLowerCase();
2333
title: function(element) {
2334
return element.title;
2340
Element._attributeTranslations.write = {
2341
names: Object.extend({
2342
cellpadding: 'cellPadding',
2343
cellspacing: 'cellSpacing'
2344
}, Element._attributeTranslations.read.names),
2346
checked: function(element, value) {
2347
element.checked = !!value;
2350
style: function(element, value) {
2351
element.style.cssText = value ? value : '';
2356
Element._attributeTranslations.has = {};
2358
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
2359
'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
2360
Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
2361
Element._attributeTranslations.has[attr.toLowerCase()] = attr;
2369
action: v._getAttrNode,
2377
ondblclick: v._getEv,
2378
onmousedown: v._getEv,
2379
onmouseup: v._getEv,
2380
onmouseover: v._getEv,
2381
onmousemove: v._getEv,
2382
onmouseout: v._getEv,
2385
onkeypress: v._getEv,
2386
onkeydown: v._getEv,
2393
})(Element._attributeTranslations.read.values);
2396
else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
2397
Element.Methods.setOpacity = function(element, value) {
2398
element = $(element);
2399
element.style.opacity = (value == 1) ? 0.999999 :
2400
(value === '') ? '' : (value < 0.00001) ? 0 : value;
2405
else if (Prototype.Browser.WebKit) {
2406
Element.Methods.setOpacity = function(element, value) {
2407
element = $(element);
2408
element.style.opacity = (value == 1 || value === '') ? '' :
2409
(value < 0.00001) ? 0 : value;
2412
if(element.tagName.toUpperCase() == 'IMG' && element.width) {
2413
element.width++; element.width--;
2415
var n = document.createTextNode(' ');
2416
element.appendChild(n);
2417
element.removeChild(n);
2423
// Safari returns margins on body which is incorrect if the child is absolutely
2424
// positioned. For performance reasons, redefine Element#cumulativeOffset for
2425
// KHTML/WebKit only.
2426
Element.Methods.cumulativeOffset = function(element) {
2427
var valueT = 0, valueL = 0;
2429
valueT += element.offsetTop || 0;
2430
valueL += element.offsetLeft || 0;
2431
if (element.offsetParent == document.body)
2432
if (Element.getStyle(element, 'position') == 'absolute') break;
2434
element = element.offsetParent;
2437
return Element._returnOffset(valueL, valueT);
2441
if (Prototype.Browser.IE || Prototype.Browser.Opera) {
2442
// IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
2443
Element.Methods.update = function(element, content) {
2444
element = $(element);
2446
if (content && content.toElement) content = content.toElement();
2447
if (Object.isElement(content)) return element.update().insert(content);
2449
content = Object.toHTML(content);
2450
var tagName = element.tagName.toUpperCase();
2452
if (tagName in Element._insertionTranslations.tags) {
2453
$A(element.childNodes).each(function(node) { element.removeChild(node) });
2454
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
2455
.each(function(node) { element.appendChild(node) });
2457
else element.innerHTML = content.stripScripts();
2459
content.evalScripts.bind(content).defer();
2464
if ('outerHTML' in document.createElement('div')) {
2465
Element.Methods.replace = function(element, content) {
2466
element = $(element);
2468
if (content && content.toElement) content = content.toElement();
2469
if (Object.isElement(content)) {
2470
element.parentNode.replaceChild(content, element);
2474
content = Object.toHTML(content);
2475
var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
2477
if (Element._insertionTranslations.tags[tagName]) {
2478
var nextSibling = element.next();
2479
var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
2480
parent.removeChild(element);
2482
fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
2484
fragments.each(function(node) { parent.appendChild(node) });
2486
else element.outerHTML = content.stripScripts();
2488
content.evalScripts.bind(content).defer();
2493
Element._returnOffset = function(l, t) {
2494
var result = [l, t];
2500
Element._getContentFromAnonymousElement = function(tagName, html) {
2501
var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
2503
div.innerHTML = t[0] + html + t[1];
2504
t[2].times(function() { div = div.firstChild });
2505
} else div.innerHTML = html;
2506
return $A(div.childNodes);
2509
Element._insertionTranslations = {
2510
before: function(element, node) {
2511
element.parentNode.insertBefore(node, element);
2513
top: function(element, node) {
2514
element.insertBefore(node, element.firstChild);
2516
bottom: function(element, node) {
2517
element.appendChild(node);
2519
after: function(element, node) {
2520
element.parentNode.insertBefore(node, element.nextSibling);
2523
TABLE: ['<table>', '</table>', 1],
2524
TBODY: ['<table><tbody>', '</tbody></table>', 2],
2525
TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
2526
TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
2527
SELECT: ['<select>', '</select>', 1]
2532
Object.extend(this.tags, {
2533
THEAD: this.tags.TBODY,
2534
TFOOT: this.tags.TBODY,
2537
}).call(Element._insertionTranslations);
2539
Element.Methods.Simulated = {
2540
hasAttribute: function(element, attribute) {
2541
attribute = Element._attributeTranslations.has[attribute] || attribute;
2542
var node = $(element).getAttributeNode(attribute);
2543
return !!(node && node.specified);
2547
Element.Methods.ByTag = { };
2549
Object.extend(Element, Element.Methods);
2551
if (!Prototype.BrowserFeatures.ElementExtensions &&
2552
document.createElement('div')['__proto__']) {
2553
window.HTMLElement = { };
2554
window.HTMLElement.prototype = document.createElement('div')['__proto__'];
2555
Prototype.BrowserFeatures.ElementExtensions = true;
2558
Element.extend = (function() {
2559
if (Prototype.BrowserFeatures.SpecificElementExtensions)
2562
var Methods = { }, ByTag = Element.Methods.ByTag;
2564
var extend = Object.extend(function(element) {
2565
if (!element || element._extendedByPrototype ||
2566
element.nodeType != 1 || element == window) return element;
2568
var methods = Object.clone(Methods),
2569
tagName = element.tagName.toUpperCase(), property, value;
2571
// extend methods for specific tags
2572
if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
2574
for (property in methods) {
2575
value = methods[property];
2576
if (Object.isFunction(value) && !(property in element))
2577
element[property] = value.methodize();
2580
element._extendedByPrototype = Prototype.emptyFunction;
2584
refresh: function() {
2585
// extend methods for all tags (Safari doesn't need this)
2586
if (!Prototype.BrowserFeatures.ElementExtensions) {
2587
Object.extend(Methods, Element.Methods);
2588
Object.extend(Methods, Element.Methods.Simulated);
2597
Element.hasAttribute = function(element, attribute) {
2598
if (element.hasAttribute) return element.hasAttribute(attribute);
2599
return Element.Methods.Simulated.hasAttribute(element, attribute);
2602
Element.addMethods = function(methods) {
2603
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
2606
Object.extend(Form, Form.Methods);
2607
Object.extend(Form.Element, Form.Element.Methods);
2608
Object.extend(Element.Methods.ByTag, {
2609
"FORM": Object.clone(Form.Methods),
2610
"INPUT": Object.clone(Form.Element.Methods),
2611
"SELECT": Object.clone(Form.Element.Methods),
2612
"TEXTAREA": Object.clone(Form.Element.Methods)
2616
if (arguments.length == 2) {
2617
var tagName = methods;
2618
methods = arguments[1];
2621
if (!tagName) Object.extend(Element.Methods, methods || { });
2623
if (Object.isArray(tagName)) tagName.each(extend);
2624
else extend(tagName);
2627
function extend(tagName) {
2628
tagName = tagName.toUpperCase();
2629
if (!Element.Methods.ByTag[tagName])
2630
Element.Methods.ByTag[tagName] = { };
2631
Object.extend(Element.Methods.ByTag[tagName], methods);
2634
function copy(methods, destination, onlyIfAbsent) {
2635
onlyIfAbsent = onlyIfAbsent || false;
2636
for (var property in methods) {
2637
var value = methods[property];
2638
if (!Object.isFunction(value)) continue;
2639
if (!onlyIfAbsent || !(property in destination))
2640
destination[property] = value.methodize();
2644
function findDOMClass(tagName) {
2647
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
2648
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
2649
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
2650
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
2651
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
2652
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
2653
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
2654
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
2655
"FrameSet", "IFRAME": "IFrame"
2657
if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
2658
if (window[klass]) return window[klass];
2659
klass = 'HTML' + tagName + 'Element';
2660
if (window[klass]) return window[klass];
2661
klass = 'HTML' + tagName.capitalize() + 'Element';
2662
if (window[klass]) return window[klass];
2664
window[klass] = { };
2665
window[klass].prototype = document.createElement(tagName)['__proto__'];
2666
return window[klass];
2669
if (F.ElementExtensions) {
2670
copy(Element.Methods, HTMLElement.prototype);
2671
copy(Element.Methods.Simulated, HTMLElement.prototype, true);
2674
if (F.SpecificElementExtensions) {
2675
for (var tag in Element.Methods.ByTag) {
2676
var klass = findDOMClass(tag);
2677
if (Object.isUndefined(klass)) continue;
2678
copy(T[tag], klass.prototype);
2682
Object.extend(Element, Element.Methods);
2683
delete Element.ByTag;
2685
if (Element.extend.refresh) Element.extend.refresh();
2686
Element.cache = { };
2689
document.viewport = {
2690
getDimensions: function() {
2691
var dimensions = { }, B = Prototype.Browser;
2692
$w('width height').each(function(d) {
2693
var D = d.capitalize();
2694
if (B.WebKit && !document.evaluate) {
2695
// Safari <3.0 needs self.innerWidth/Height
2696
dimensions[d] = self['inner' + D];
2697
} else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
2698
// Opera <9.5 needs document.body.clientWidth/Height
2699
dimensions[d] = document.body['client' + D]
2701
dimensions[d] = document.documentElement['client' + D];
2707
getWidth: function() {
2708
return this.getDimensions().width;
2711
getHeight: function() {
2712
return this.getDimensions().height;
2715
getScrollOffsets: function() {
2716
return Element._returnOffset(
2717
window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
2718
window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
2721
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
2722
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
2723
* license. Please see http://www.yui-ext.com/ for more information. */
2725
var Selector = Class.create({
2726
initialize: function(expression) {
2727
this.expression = expression.strip();
2729
if (this.shouldUseSelectorsAPI()) {
2730
this.mode = 'selectorsAPI';
2731
} else if (this.shouldUseXPath()) {
2732
this.mode = 'xpath';
2733
this.compileXPathMatcher();
2735
this.mode = "normal";
2736
this.compileMatcher();
2741
shouldUseXPath: function() {
2742
if (!Prototype.BrowserFeatures.XPath) return false;
2744
var e = this.expression;
2746
// Safari 3 chokes on :*-of-type and :empty
2747
if (Prototype.Browser.WebKit &&
2748
(e.include("-of-type") || e.include(":empty")))
2751
// XPath can't do namespaced attributes, nor can it read
2752
// the "checked" property from DOM nodes
2753
if ((/(\[[\w-]*?:|:checked)/).test(e))
2759
shouldUseSelectorsAPI: function() {
2760
if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
2762
if (!Selector._div) Selector._div = new Element('div');
2764
// Make sure the browser treats the selector as valid. Test on an
2765
// isolated element to minimize cost of this check.
2767
Selector._div.querySelector(this.expression);
2775
compileMatcher: function() {
2776
var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
2777
c = Selector.criteria, le, p, m;
2779
if (Selector._cache[e]) {
2780
this.matcher = Selector._cache[e];
2784
this.matcher = ["this.matcher = function(root) {",
2785
"var r = root, h = Selector.handlers, c = false, n;"];
2787
while (e && le != e && (/\S/).test(e)) {
2791
if (m = e.match(p)) {
2792
this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
2793
new Template(c[i]).evaluate(m));
2794
e = e.replace(m[0], '');
2800
this.matcher.push("return h.unique(n);\n}");
2801
eval(this.matcher.join('\n'));
2802
Selector._cache[this.expression] = this.matcher;
2805
compileXPathMatcher: function() {
2806
var e = this.expression, ps = Selector.patterns,
2807
x = Selector.xpath, le, m;
2809
if (Selector._cache[e]) {
2810
this.xpath = Selector._cache[e]; return;
2813
this.matcher = ['.//*'];
2814
while (e && le != e && (/\S/).test(e)) {
2817
if (m = e.match(ps[i])) {
2818
this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
2819
new Template(x[i]).evaluate(m));
2820
e = e.replace(m[0], '');
2826
this.xpath = this.matcher.join('');
2827
Selector._cache[this.expression] = this.xpath;
2830
findElements: function(root) {
2831
root = root || document;
2832
var e = this.expression, results;
2834
switch (this.mode) {
2835
case 'selectorsAPI':
2836
// querySelectorAll queries document-wide, then filters to descendants
2837
// of the context element. That's not what we want.
2838
// Add an explicit context to the selector if necessary.
2839
if (root !== document) {
2840
var oldId = root.id, id = $(root).identify();
2841
e = "#" + id + " " + e;
2844
results = $A(root.querySelectorAll(e)).map(Element.extend);
2849
return document._getElementsByXPath(this.xpath, root);
2851
return this.matcher(root);
2855
match: function(element) {
2858
var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
2861
while (e && le !== e && (/\S/).test(e)) {
2865
if (m = e.match(p)) {
2866
// use the Selector.assertions methods unless the selector
2869
this.tokens.push([i, Object.clone(m)]);
2870
e = e.replace(m[0], '');
2872
// reluctantly do a document-wide search
2873
// and look for a match in the array
2874
return this.findElements(document).include(element);
2880
var match = true, name, matches;
2881
for (var i = 0, token; token = this.tokens[i]; i++) {
2882
name = token[0], matches = token[1];
2883
if (!Selector.assertions[name](element, matches)) {
2884
match = false; break;
2891
toString: function() {
2892
return this.expression;
2895
inspect: function() {
2896
return "#<Selector:" + this.expression.inspect() + ">";
2900
Object.extend(Selector, {
2906
adjacent: "/following-sibling::*[1]",
2907
laterSibling: '/following-sibling::*',
2908
tagName: function(m) {
2909
if (m[1] == '*') return '';
2910
return "[local-name()='" + m[1].toLowerCase() +
2911
"' or local-name()='" + m[1].toUpperCase() + "']";
2913
className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
2915
attrPresence: function(m) {
2916
m[1] = m[1].toLowerCase();
2917
return new Template("[@#{1}]").evaluate(m);
2920
m[1] = m[1].toLowerCase();
2921
m[3] = m[5] || m[6];
2922
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
2924
pseudo: function(m) {
2925
var h = Selector.xpath.pseudos[m[1]];
2927
if (Object.isFunction(h)) return h(m);
2928
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
2931
'=': "[@#{1}='#{3}']",
2932
'!=': "[@#{1}!='#{3}']",
2933
'^=': "[starts-with(@#{1}, '#{3}')]",
2934
'$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
2935
'*=': "[contains(@#{1}, '#{3}')]",
2936
'~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
2937
'|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
2940
'first-child': '[not(preceding-sibling::*)]',
2941
'last-child': '[not(following-sibling::*)]',
2942
'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
2943
'empty': "[count(*) = 0 and (count(text()) = 0)]",
2944
'checked': "[@checked]",
2945
'disabled': "[(@disabled) and (@type!='hidden')]",
2946
'enabled': "[not(@disabled) and (@type!='hidden')]",
2947
'not': function(m) {
2948
var e = m[6], p = Selector.patterns,
2949
x = Selector.xpath, le, v;
2952
while (e && le != e && (/\S/).test(e)) {
2955
if (m = e.match(p[i])) {
2956
v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
2957
exclusion.push("(" + v.substring(1, v.length - 1) + ")");
2958
e = e.replace(m[0], '');
2963
return "[not(" + exclusion.join(" and ") + ")]";
2965
'nth-child': function(m) {
2966
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
2968
'nth-last-child': function(m) {
2969
return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
2971
'nth-of-type': function(m) {
2972
return Selector.xpath.pseudos.nth("position() ", m);
2974
'nth-last-of-type': function(m) {
2975
return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
2977
'first-of-type': function(m) {
2978
m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
2980
'last-of-type': function(m) {
2981
m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
2983
'only-of-type': function(m) {
2984
var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
2986
nth: function(fragment, m) {
2987
var mm, formula = m[6], predicate;
2988
if (formula == 'even') formula = '2n+0';
2989
if (formula == 'odd') formula = '2n+1';
2990
if (mm = formula.match(/^(\d+)$/)) // digit only
2991
return '[' + fragment + "= " + mm[1] + ']';
2992
if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
2993
if (mm[1] == "-") mm[1] = -1;
2994
var a = mm[1] ? Number(mm[1]) : 1;
2995
var b = mm[2] ? Number(mm[2]) : 0;
2996
predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
2997
"((#{fragment} - #{b}) div #{a} >= 0)]";
2998
return new Template(predicate).evaluate({
2999
fragment: fragment, a: a, b: b });
3006
tagName: 'n = h.tagName(n, r, "#{1}", c); c = false;',
3007
className: 'n = h.className(n, r, "#{1}", c); c = false;',
3008
id: 'n = h.id(n, r, "#{1}", c); c = false;',
3009
attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
3011
m[3] = (m[5] || m[6]);
3012
return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
3014
pseudo: function(m) {
3015
if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
3016
return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
3018
descendant: 'c = "descendant";',
3019
child: 'c = "child";',
3020
adjacent: 'c = "adjacent";',
3021
laterSibling: 'c = "laterSibling";'
3025
// combinators must be listed first
3026
// (and descendant needs to be last combinator)
3027
laterSibling: /^\s*~\s*/,
3029
adjacent: /^\s*\+\s*/,
3033
tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
3034
id: /^#([\w\-\*]+)(\b|$)/,
3035
className: /^\.([\w\-\*]+)(\b|$)/,
3037
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
3038
attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
3039
attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
3042
// for Selector.match and Element#match
3044
tagName: function(element, matches) {
3045
return matches[1].toUpperCase() == element.tagName.toUpperCase();
3048
className: function(element, matches) {
3049
return Element.hasClassName(element, matches[1]);
3052
id: function(element, matches) {
3053
return element.id === matches[1];
3056
attrPresence: function(element, matches) {
3057
return Element.hasAttribute(element, matches[1]);
3060
attr: function(element, matches) {
3061
var nodeValue = Element.readAttribute(element, matches[1]);
3062
return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
3067
// UTILITY FUNCTIONS
3068
// joins two collections
3069
concat: function(a, b) {
3070
for (var i = 0, node; node = b[i]; i++)
3075
// marks an array of nodes for counting
3076
mark: function(nodes) {
3077
var _true = Prototype.emptyFunction;
3078
for (var i = 0, node; node = nodes[i]; i++)
3079
node._countedByPrototype = _true;
3083
unmark: function(nodes) {
3084
for (var i = 0, node; node = nodes[i]; i++)
3085
node._countedByPrototype = undefined;
3089
// mark each child node with its position (for nth calls)
3090
// "ofType" flag indicates whether we're indexing for nth-of-type
3091
// rather than nth-child
3092
index: function(parentNode, reverse, ofType) {
3093
parentNode._countedByPrototype = Prototype.emptyFunction;
3095
for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
3096
var node = nodes[i];
3097
if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
3100
for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
3101
if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
3105
// filters out duplicates and extends all nodes
3106
unique: function(nodes) {
3107
if (nodes.length == 0) return nodes;
3108
var results = [], n;
3109
for (var i = 0, l = nodes.length; i < l; i++)
3110
if (!(n = nodes[i])._countedByPrototype) {
3111
n._countedByPrototype = Prototype.emptyFunction;
3112
results.push(Element.extend(n));
3114
return Selector.handlers.unmark(results);
3117
// COMBINATOR FUNCTIONS
3118
descendant: function(nodes) {
3119
var h = Selector.handlers;
3120
for (var i = 0, results = [], node; node = nodes[i]; i++)
3121
h.concat(results, node.getElementsByTagName('*'));
3125
child: function(nodes) {
3126
var h = Selector.handlers;
3127
for (var i = 0, results = [], node; node = nodes[i]; i++) {
3128
for (var j = 0, child; child = node.childNodes[j]; j++)
3129
if (child.nodeType == 1 && child.tagName != '!') results.push(child);
3134
adjacent: function(nodes) {
3135
for (var i = 0, results = [], node; node = nodes[i]; i++) {
3136
var next = this.nextElementSibling(node);
3137
if (next) results.push(next);
3142
laterSibling: function(nodes) {
3143
var h = Selector.handlers;
3144
for (var i = 0, results = [], node; node = nodes[i]; i++)
3145
h.concat(results, Element.nextSiblings(node));
3149
nextElementSibling: function(node) {
3150
while (node = node.nextSibling)
3151
if (node.nodeType == 1) return node;
3155
previousElementSibling: function(node) {
3156
while (node = node.previousSibling)
3157
if (node.nodeType == 1) return node;
3162
tagName: function(nodes, root, tagName, combinator) {
3163
var uTagName = tagName.toUpperCase();
3164
var results = [], h = Selector.handlers;
3167
// fastlane for ordinary descendant combinators
3168
if (combinator == "descendant") {
3169
for (var i = 0, node; node = nodes[i]; i++)
3170
h.concat(results, node.getElementsByTagName(tagName));
3172
} else nodes = this[combinator](nodes);
3173
if (tagName == "*") return nodes;
3175
for (var i = 0, node; node = nodes[i]; i++)
3176
if (node.tagName.toUpperCase() === uTagName) results.push(node);
3178
} else return root.getElementsByTagName(tagName);
3181
id: function(nodes, root, id, combinator) {
3182
var targetNode = $(id), h = Selector.handlers;
3183
if (!targetNode) return [];
3184
if (!nodes && root == document) return [targetNode];
3187
if (combinator == 'child') {
3188
for (var i = 0, node; node = nodes[i]; i++)
3189
if (targetNode.parentNode == node) return [targetNode];
3190
} else if (combinator == 'descendant') {
3191
for (var i = 0, node; node = nodes[i]; i++)
3192
if (Element.descendantOf(targetNode, node)) return [targetNode];
3193
} else if (combinator == 'adjacent') {
3194
for (var i = 0, node; node = nodes[i]; i++)
3195
if (Selector.handlers.previousElementSibling(targetNode) == node)
3196
return [targetNode];
3197
} else nodes = h[combinator](nodes);
3199
for (var i = 0, node; node = nodes[i]; i++)
3200
if (node == targetNode) return [targetNode];
3203
return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
3206
className: function(nodes, root, className, combinator) {
3207
if (nodes && combinator) nodes = this[combinator](nodes);
3208
return Selector.handlers.byClassName(nodes, root, className);
3211
byClassName: function(nodes, root, className) {
3212
if (!nodes) nodes = Selector.handlers.descendant([root]);
3213
var needle = ' ' + className + ' ';
3214
for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
3215
nodeClassName = node.className;
3216
if (nodeClassName.length == 0) continue;
3217
if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
3223
attrPresence: function(nodes, root, attr, combinator) {
3224
if (!nodes) nodes = root.getElementsByTagName("*");
3225
if (nodes && combinator) nodes = this[combinator](nodes);
3227
for (var i = 0, node; node = nodes[i]; i++)
3228
if (Element.hasAttribute(node, attr)) results.push(node);
3232
attr: function(nodes, root, attr, value, operator, combinator) {
3233
if (!nodes) nodes = root.getElementsByTagName("*");
3234
if (nodes && combinator) nodes = this[combinator](nodes);
3235
var handler = Selector.operators[operator], results = [];
3236
for (var i = 0, node; node = nodes[i]; i++) {
3237
var nodeValue = Element.readAttribute(node, attr);
3238
if (nodeValue === null) continue;
3239
if (handler(nodeValue, value)) results.push(node);
3244
pseudo: function(nodes, name, value, root, combinator) {
3245
if (nodes && combinator) nodes = this[combinator](nodes);
3246
if (!nodes) nodes = root.getElementsByTagName("*");
3247
return Selector.pseudos[name](nodes, value, root);
3252
'first-child': function(nodes, value, root) {
3253
for (var i = 0, results = [], node; node = nodes[i]; i++) {
3254
if (Selector.handlers.previousElementSibling(node)) continue;
3259
'last-child': function(nodes, value, root) {
3260
for (var i = 0, results = [], node; node = nodes[i]; i++) {
3261
if (Selector.handlers.nextElementSibling(node)) continue;
3266
'only-child': function(nodes, value, root) {
3267
var h = Selector.handlers;
3268
for (var i = 0, results = [], node; node = nodes[i]; i++)
3269
if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
3273
'nth-child': function(nodes, formula, root) {
3274
return Selector.pseudos.nth(nodes, formula, root);
3276
'nth-last-child': function(nodes, formula, root) {
3277
return Selector.pseudos.nth(nodes, formula, root, true);
3279
'nth-of-type': function(nodes, formula, root) {
3280
return Selector.pseudos.nth(nodes, formula, root, false, true);
3282
'nth-last-of-type': function(nodes, formula, root) {
3283
return Selector.pseudos.nth(nodes, formula, root, true, true);
3285
'first-of-type': function(nodes, formula, root) {
3286
return Selector.pseudos.nth(nodes, "1", root, false, true);
3288
'last-of-type': function(nodes, formula, root) {
3289
return Selector.pseudos.nth(nodes, "1", root, true, true);
3291
'only-of-type': function(nodes, formula, root) {
3292
var p = Selector.pseudos;
3293
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
3296
// handles the an+b logic
3297
getIndices: function(a, b, total) {
3298
if (a == 0) return b > 0 ? [b] : [];
3299
return $R(1, total).inject([], function(memo, i) {
3300
if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
3305
// handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
3306
nth: function(nodes, formula, root, reverse, ofType) {
3307
if (nodes.length == 0) return [];
3308
if (formula == 'even') formula = '2n+0';
3309
if (formula == 'odd') formula = '2n+1';
3310
var h = Selector.handlers, results = [], indexed = [], m;
3312
for (var i = 0, node; node = nodes[i]; i++) {
3313
if (!node.parentNode._countedByPrototype) {
3314
h.index(node.parentNode, reverse, ofType);
3315
indexed.push(node.parentNode);
3318
if (formula.match(/^\d+$/)) { // just a number
3319
formula = Number(formula);
3320
for (var i = 0, node; node = nodes[i]; i++)
3321
if (node.nodeIndex == formula) results.push(node);
3322
} else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
3323
if (m[1] == "-") m[1] = -1;
3324
var a = m[1] ? Number(m[1]) : 1;
3325
var b = m[2] ? Number(m[2]) : 0;
3326
var indices = Selector.pseudos.getIndices(a, b, nodes.length);
3327
for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
3328
for (var j = 0; j < l; j++)
3329
if (node.nodeIndex == indices[j]) results.push(node);
3337
'empty': function(nodes, value, root) {
3338
for (var i = 0, results = [], node; node = nodes[i]; i++) {
3339
// IE treats comments as element nodes
3340
if (node.tagName == '!' || node.firstChild) continue;
3346
'not': function(nodes, selector, root) {
3347
var h = Selector.handlers, selectorType, m;
3348
var exclusions = new Selector(selector).findElements(root);
3350
for (var i = 0, results = [], node; node = nodes[i]; i++)
3351
if (!node._countedByPrototype) results.push(node);
3352
h.unmark(exclusions);
3356
'enabled': function(nodes, value, root) {
3357
for (var i = 0, results = [], node; node = nodes[i]; i++)
3358
if (!node.disabled && (!node.type || node.type !== 'hidden'))
3363
'disabled': function(nodes, value, root) {
3364
for (var i = 0, results = [], node; node = nodes[i]; i++)
3365
if (node.disabled) results.push(node);
3369
'checked': function(nodes, value, root) {
3370
for (var i = 0, results = [], node; node = nodes[i]; i++)
3371
if (node.checked) results.push(node);
3377
'=': function(nv, v) { return nv == v; },
3378
'!=': function(nv, v) { return nv != v; },
3379
'^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
3380
'$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
3381
'*=': function(nv, v) { return nv == v || nv && nv.include(v); },
3382
'$=': function(nv, v) { return nv.endsWith(v); },
3383
'*=': function(nv, v) { return nv.include(v); },
3384
'~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
3385
'|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
3386
'-').include('-' + (v || "").toUpperCase() + '-'); }
3389
split: function(expression) {
3390
var expressions = [];
3391
expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
3392
expressions.push(m[1].strip());
3397
matchElements: function(elements, expression) {
3398
var matches = $$(expression), h = Selector.handlers;
3400
for (var i = 0, results = [], element; element = elements[i]; i++)
3401
if (element._countedByPrototype) results.push(element);
3406
findElement: function(elements, expression, index) {
3407
if (Object.isNumber(expression)) {
3408
index = expression; expression = false;
3410
return Selector.matchElements(elements, expression || '*')[index || 0];
3413
findChildElements: function(element, expressions) {
3414
expressions = Selector.split(expressions.join(','));
3415
var results = [], h = Selector.handlers;
3416
for (var i = 0, l = expressions.length, selector; i < l; i++) {
3417
selector = new Selector(expressions[i].strip());
3418
h.concat(results, selector.findElements(element));
3420
return (l > 1) ? h.unique(results) : results;
3424
if (Prototype.Browser.IE) {
3425
Object.extend(Selector.handlers, {
3426
// IE returns comment nodes on getElementsByTagName("*").
3428
concat: function(a, b) {
3429
for (var i = 0, node; node = b[i]; i++)
3430
if (node.tagName !== "!") a.push(node);
3434
// IE improperly serializes _countedByPrototype in (inner|outer)HTML.
3435
unmark: function(nodes) {
3436
for (var i = 0, node; node = nodes[i]; i++)
3437
node.removeAttribute('_countedByPrototype');
3444
return Selector.findChildElements(document, $A(arguments));
3447
reset: function(form) {
3452
serializeElements: function(elements, options) {
3453
if (typeof options != 'object') options = { hash: !!options };
3454
else if (Object.isUndefined(options.hash)) options.hash = true;
3455
var key, value, submitted = false, submit = options.submit;
3457
var data = elements.inject({ }, function(result, element) {
3458
if (!element.disabled && element.name) {
3459
key = element.name; value = $(element).getValue();
3460
if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
3461
submit !== false && (!submit || key == submit) && (submitted = true)))) {
3462
if (key in result) {
3463
// a key is already present; construct an array of values
3464
if (!Object.isArray(result[key])) result[key] = [result[key]];
3465
result[key].push(value);
3467
else result[key] = value;
3473
return options.hash ? data : Object.toQueryString(data);
3478
serialize: function(form, options) {
3479
return Form.serializeElements(Form.getElements(form), options);
3482
getElements: function(form) {
3483
return $A($(form).getElementsByTagName('*')).inject([],
3484
function(elements, child) {
3485
if (Form.Element.Serializers[child.tagName.toLowerCase()])
3486
elements.push(Element.extend(child));
3492
getInputs: function(form, typeName, name) {
3494
var inputs = form.getElementsByTagName('input');
3496
if (!typeName && !name) return $A(inputs).map(Element.extend);
3498
for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
3499
var input = inputs[i];
3500
if ((typeName && input.type != typeName) || (name && input.name != name))
3502
matchingInputs.push(Element.extend(input));
3505
return matchingInputs;
3508
disable: function(form) {
3510
Form.getElements(form).invoke('disable');
3514
enable: function(form) {
3516
Form.getElements(form).invoke('enable');
3520
findFirstElement: function(form) {
3521
var elements = $(form).getElements().findAll(function(element) {
3522
return 'hidden' != element.type && !element.disabled;
3524
var firstByIndex = elements.findAll(function(element) {
3525
return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
3526
}).sortBy(function(element) { return element.tabIndex }).first();
3528
return firstByIndex ? firstByIndex : elements.find(function(element) {
3529
return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
3533
focusFirstElement: function(form) {
3535
form.findFirstElement().activate();
3539
request: function(form, options) {
3540
form = $(form), options = Object.clone(options || { });
3542
var params = options.parameters, action = form.readAttribute('action') || '';
3543
if (action.blank()) action = window.location.href;
3544
options.parameters = form.serialize(true);
3547
if (Object.isString(params)) params = params.toQueryParams();
3548
Object.extend(options.parameters, params);
3551
if (form.hasAttribute('method') && !options.method)
3552
options.method = form.method;
3554
return new Ajax.Request(action, options);
3558
/*--------------------------------------------------------------------------*/
3561
focus: function(element) {
3566
select: function(element) {
3567
$(element).select();
3572
Form.Element.Methods = {
3573
serialize: function(element) {
3574
element = $(element);
3575
if (!element.disabled && element.name) {
3576
var value = element.getValue();
3577
if (value != undefined) {
3579
pair[element.name] = value;
3580
return Object.toQueryString(pair);
3586
getValue: function(element) {
3587
element = $(element);
3588
var method = element.tagName.toLowerCase();
3589
return Form.Element.Serializers[method](element);
3592
setValue: function(element, value) {
3593
element = $(element);
3594
var method = element.tagName.toLowerCase();
3595
Form.Element.Serializers[method](element, value);
3599
clear: function(element) {
3600
$(element).value = '';
3604
present: function(element) {
3605
return $(element).value != '';
3608
activate: function(element) {
3609
element = $(element);
3612
if (element.select && (element.tagName.toLowerCase() != 'input' ||
3613
!['button', 'reset', 'submit'].include(element.type)))
3619
disable: function(element) {
3620
element = $(element);
3621
element.disabled = true;
3625
enable: function(element) {
3626
element = $(element);
3627
element.disabled = false;
3632
/*--------------------------------------------------------------------------*/
3634
var Field = Form.Element;
3635
var $F = Form.Element.Methods.getValue;
3637
/*--------------------------------------------------------------------------*/
3639
Form.Element.Serializers = {
3640
input: function(element, value) {
3641
switch (element.type.toLowerCase()) {
3644
return Form.Element.Serializers.inputSelector(element, value);
3646
return Form.Element.Serializers.textarea(element, value);
3650
inputSelector: function(element, value) {
3651
if (Object.isUndefined(value)) return element.checked ? element.value : null;
3652
else element.checked = !!value;
3655
textarea: function(element, value) {
3656
if (Object.isUndefined(value)) return element.value;
3657
else element.value = value;
3660
select: function(element, value) {
3661
if (Object.isUndefined(value))
3662
return this[element.type == 'select-one' ?
3663
'selectOne' : 'selectMany'](element);
3665
var opt, currentValue, single = !Object.isArray(value);
3666
for (var i = 0, length = element.length; i < length; i++) {
3667
opt = element.options[i];
3668
currentValue = this.optionValue(opt);
3670
if (currentValue == value) {
3671
opt.selected = true;
3675
else opt.selected = value.include(currentValue);
3680
selectOne: function(element) {
3681
var index = element.selectedIndex;
3682
return index >= 0 ? this.optionValue(element.options[index]) : null;
3685
selectMany: function(element) {
3686
var values, length = element.length;
3687
if (!length) return null;
3689
for (var i = 0, values = []; i < length; i++) {
3690
var opt = element.options[i];
3691
if (opt.selected) values.push(this.optionValue(opt));
3696
optionValue: function(opt) {
3697
// extend element because hasAttribute may not be native
3698
return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
3702
/*--------------------------------------------------------------------------*/
3704
Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
3705
initialize: function($super, element, frequency, callback) {
3706
$super(callback, frequency);
3707
this.element = $(element);
3708
this.lastValue = this.getValue();
3711
execute: function() {
3712
var value = this.getValue();
3713
if (Object.isString(this.lastValue) && Object.isString(value) ?
3714
this.lastValue != value : String(this.lastValue) != String(value)) {
3715
this.callback(this.element, value);
3716
this.lastValue = value;
3721
Form.Element.Observer = Class.create(Abstract.TimedObserver, {
3722
getValue: function() {
3723
return Form.Element.getValue(this.element);
3727
Form.Observer = Class.create(Abstract.TimedObserver, {
3728
getValue: function() {
3729
return Form.serialize(this.element);
3733
/*--------------------------------------------------------------------------*/
3735
Abstract.EventObserver = Class.create({
3736
initialize: function(element, callback) {
3737
this.element = $(element);
3738
this.callback = callback;
3740
this.lastValue = this.getValue();
3741
if (this.element.tagName.toLowerCase() == 'form')
3742
this.registerFormCallbacks();
3744
this.registerCallback(this.element);
3747
onElementEvent: function() {
3748
var value = this.getValue();
3749
if (this.lastValue != value) {
3750
this.callback(this.element, value);
3751
this.lastValue = value;
3755
registerFormCallbacks: function() {
3756
Form.getElements(this.element).each(this.registerCallback, this);
3759
registerCallback: function(element) {
3761
switch (element.type.toLowerCase()) {
3764
Event.observe(element, 'click', this.onElementEvent.bind(this));
3767
Event.observe(element, 'change', this.onElementEvent.bind(this));
3774
Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
3775
getValue: function() {
3776
return Form.Element.getValue(this.element);
3780
Form.EventObserver = Class.create(Abstract.EventObserver, {
3781
getValue: function() {
3782
return Form.serialize(this.element);
3785
if (!window.Event) var Event = { };
3787
Object.extend(Event, {
3805
relatedTarget: function(event) {
3807
switch(event.type) {
3808
case 'mouseover': element = event.fromElement; break;
3809
case 'mouseout': element = event.toElement; break;
3810
default: return null;
3812
return Element.extend(element);
3816
Event.Methods = (function() {
3819
if (Prototype.Browser.IE) {
3820
var buttonMap = { 0: 1, 1: 4, 2: 2 };
3821
isButton = function(event, code) {
3822
return event.button == buttonMap[code];
3825
} else if (Prototype.Browser.WebKit) {
3826
isButton = function(event, code) {
3828
case 0: return event.which == 1 && !event.metaKey;
3829
case 1: return event.which == 1 && event.metaKey;
3830
default: return false;
3835
isButton = function(event, code) {
3836
return event.which ? (event.which === code + 1) : (event.button === code);
3841
isLeftClick: function(event) { return isButton(event, 0) },
3842
isMiddleClick: function(event) { return isButton(event, 1) },
3843
isRightClick: function(event) { return isButton(event, 2) },
3845
element: function(event) {
3846
event = Event.extend(event);
3848
var node = event.target,
3850
currentTarget = event.currentTarget;
3852
if (currentTarget && currentTarget.tagName) {
3853
// Firefox screws up the "click" event when moving between radio buttons
3854
// via arrow keys. It also screws up the "load" and "error" events on images,
3855
// reporting the document as the target instead of the original image.
3856
if (type === 'load' || type === 'error' ||
3857
(type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
3858
&& currentTarget.type === 'radio'))
3859
node = currentTarget;
3861
if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
3862
return Element.extend(node);
3865
findElement: function(event, expression) {
3866
var element = Event.element(event);
3867
if (!expression) return element;
3868
var elements = [element].concat(element.ancestors());
3869
return Selector.findElement(elements, expression, 0);
3872
pointer: function(event) {
3873
var docElement = document.documentElement,
3874
body = document.body || { scrollLeft: 0, scrollTop: 0 };
3876
x: event.pageX || (event.clientX +
3877
(docElement.scrollLeft || body.scrollLeft) -
3878
(docElement.clientLeft || 0)),
3879
y: event.pageY || (event.clientY +
3880
(docElement.scrollTop || body.scrollTop) -
3881
(docElement.clientTop || 0))
3885
pointerX: function(event) { return Event.pointer(event).x },
3886
pointerY: function(event) { return Event.pointer(event).y },
3888
stop: function(event) {
3889
Event.extend(event);
3890
event.preventDefault();
3891
event.stopPropagation();
3892
event.stopped = true;
3897
Event.extend = (function() {
3898
var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
3899
m[name] = Event.Methods[name].methodize();
3903
if (Prototype.Browser.IE) {
3904
Object.extend(methods, {
3905
stopPropagation: function() { this.cancelBubble = true },
3906
preventDefault: function() { this.returnValue = false },
3907
inspect: function() { return "[object Event]" }
3910
return function(event) {
3911
if (!event) return false;
3912
if (event._extendedByPrototype) return event;
3914
event._extendedByPrototype = Prototype.emptyFunction;
3915
var pointer = Event.pointer(event);
3916
Object.extend(event, {
3917
target: event.srcElement,
3918
relatedTarget: Event.relatedTarget(event),
3922
return Object.extend(event, methods);
3926
Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
3927
Object.extend(Event.prototype, methods);
3932
Object.extend(Event, (function() {
3933
var cache = Event.cache;
3935
function getEventID(element) {
3936
if (element._prototypeEventID) return element._prototypeEventID[0];
3937
arguments.callee.id = arguments.callee.id || 1;
3938
return element._prototypeEventID = [++arguments.callee.id];
3941
function getDOMEventName(eventName) {
3942
if (eventName && eventName.include(':')) return "dataavailable";
3946
function getCacheForID(id) {
3947
return cache[id] = cache[id] || { };
3950
function getWrappersForEventName(id, eventName) {
3951
var c = getCacheForID(id);
3952
return c[eventName] = c[eventName] || [];
3955
function createWrapper(element, eventName, handler) {
3956
var id = getEventID(element);
3957
var c = getWrappersForEventName(id, eventName);
3958
if (c.pluck("handler").include(handler)) return false;
3960
var wrapper = function(event) {
3961
if (!Event || !Event.extend ||
3962
(event.eventName && event.eventName != eventName))
3965
Event.extend(event);
3966
handler.call(element, event);
3969
wrapper.handler = handler;
3974
function findWrapper(id, eventName, handler) {
3975
var c = getWrappersForEventName(id, eventName);
3976
return c.find(function(wrapper) { return wrapper.handler == handler });
3979
function destroyWrapper(id, eventName, handler) {
3980
var c = getCacheForID(id);
3981
if (!c[eventName]) return false;
3982
c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
3985
function destroyCache() {
3986
for (var id in cache)
3987
for (var eventName in cache[id])
3988
cache[id][eventName] = null;
3992
// Internet Explorer needs to remove event handlers on page unload
3993
// in order to avoid memory leaks.
3994
if (window.attachEvent) {
3995
window.attachEvent("onunload", destroyCache);
3998
// Safari has a dummy event handler on page unload so that it won't
3999
// use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
4000
// object when page is returned to via the back button using its bfcache.
4001
if (Prototype.Browser.WebKit) {
4002
window.addEventListener('unload', Prototype.emptyFunction, false);
4006
observe: function(element, eventName, handler) {
4007
element = $(element);
4008
var name = getDOMEventName(eventName);
4010
var wrapper = createWrapper(element, eventName, handler);
4011
if (!wrapper) return element;
4013
if (element.addEventListener) {
4014
element.addEventListener(name, wrapper, false);
4016
element.attachEvent("on" + name, wrapper);
4022
stopObserving: function(element, eventName, handler) {
4023
element = $(element);
4024
var id = getEventID(element), name = getDOMEventName(eventName);
4026
if (!handler && eventName) {
4027
getWrappersForEventName(id, eventName).each(function(wrapper) {
4028
element.stopObserving(eventName, wrapper.handler);
4032
} else if (!eventName) {
4033
Object.keys(getCacheForID(id)).each(function(eventName) {
4034
element.stopObserving(eventName);
4039
var wrapper = findWrapper(id, eventName, handler);
4040
if (!wrapper) return element;
4042
if (element.removeEventListener) {
4043
element.removeEventListener(name, wrapper, false);
4045
element.detachEvent("on" + name, wrapper);
4048
destroyWrapper(id, eventName, handler);
4053
fire: function(element, eventName, memo) {
4054
element = $(element);
4055
if (element == document && document.createEvent && !element.dispatchEvent)
4056
element = document.documentElement;
4059
if (document.createEvent) {
4060
event = document.createEvent("HTMLEvents");
4061
event.initEvent("dataavailable", true, true);
4063
event = document.createEventObject();
4064
event.eventType = "ondataavailable";
4067
event.eventName = eventName;
4068
event.memo = memo || { };
4070
if (document.createEvent) {
4071
element.dispatchEvent(event);
4073
element.fireEvent(event.eventType, event);
4076
return Event.extend(event);
4081
Object.extend(Event, Event.Methods);
4083
Element.addMethods({
4085
observe: Event.observe,
4086
stopObserving: Event.stopObserving
4089
Object.extend(document, {
4090
fire: Element.Methods.fire.methodize(),
4091
observe: Element.Methods.observe.methodize(),
4092
stopObserving: Element.Methods.stopObserving.methodize(),
4097
/* Support for the DOMContentLoaded event is based on work by Dan Webb,
4098
Matthias Miller, Dean Edwards and John Resig. */
4102
function fireContentLoadedEvent() {
4103
if (document.loaded) return;
4104
if (timer) window.clearInterval(timer);
4105
document.fire("dom:loaded");
4106
document.loaded = true;
4109
if (document.addEventListener) {
4110
if (Prototype.Browser.WebKit) {
4111
timer = window.setInterval(function() {
4112
if (/loaded|complete/.test(document.readyState))
4113
fireContentLoadedEvent();
4116
Event.observe(window, "load", fireContentLoadedEvent);
4119
document.addEventListener("DOMContentLoaded",
4120
fireContentLoadedEvent, false);
4124
document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
4125
$("__onDOMContentLoaded").onreadystatechange = function() {
4126
if (this.readyState == "complete") {
4127
this.onreadystatechange = null;
4128
fireContentLoadedEvent();
4133
/*------------------------------- DEPRECATED -------------------------------*/
4135
Hash.toQueryString = Object.toQueryString;
4137
var Toggle = { display: Element.toggle };
4139
Element.Methods.childOf = Element.Methods.descendantOf;
4142
Before: function(element, content) {
4143
return Element.insert(element, {before:content});
4146
Top: function(element, content) {
4147
return Element.insert(element, {top:content});
4150
Bottom: function(element, content) {
4151
return Element.insert(element, {bottom:content});
4154
After: function(element, content) {
4155
return Element.insert(element, {after:content});
4159
var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
4161
// This should be moved to script.aculo.us; notice the deprecated methods
4162
// further below, that map to the newer Element methods.
4164
// set to true if needed, warning: firefox performance problems
4165
// NOT neeeded for page scrolling, only if draggable contained in
4166
// scrollable elements
4167
includeScrollOffsets: false,
4169
// must be called before calling withinIncludingScrolloffset, every time the
4171
prepare: function() {
4172
this.deltaX = window.pageXOffset
4173
|| document.documentElement.scrollLeft
4174
|| document.body.scrollLeft
4176
this.deltaY = window.pageYOffset
4177
|| document.documentElement.scrollTop
4178
|| document.body.scrollTop
4182
// caches x/y coordinate pair to use with overlap
4183
within: function(element, x, y) {
4184
if (this.includeScrollOffsets)
4185
return this.withinIncludingScrolloffsets(element, x, y);
4188
this.offset = Element.cumulativeOffset(element);
4190
return (y >= this.offset[1] &&
4191
y < this.offset[1] + element.offsetHeight &&
4192
x >= this.offset[0] &&
4193
x < this.offset[0] + element.offsetWidth);
4196
withinIncludingScrolloffsets: function(element, x, y) {
4197
var offsetcache = Element.cumulativeScrollOffset(element);
4199
this.xcomp = x + offsetcache[0] - this.deltaX;
4200
this.ycomp = y + offsetcache[1] - this.deltaY;
4201
this.offset = Element.cumulativeOffset(element);
4203
return (this.ycomp >= this.offset[1] &&
4204
this.ycomp < this.offset[1] + element.offsetHeight &&
4205
this.xcomp >= this.offset[0] &&
4206
this.xcomp < this.offset[0] + element.offsetWidth);
4209
// within must be called directly before
4210
overlap: function(mode, element) {
4211
if (!mode) return 0;
4212
if (mode == 'vertical')
4213
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
4214
element.offsetHeight;
4215
if (mode == 'horizontal')
4216
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
4217
element.offsetWidth;
4220
// Deprecation layer -- use newer Element methods now (1.5.2).
4222
cumulativeOffset: Element.Methods.cumulativeOffset,
4224
positionedOffset: Element.Methods.positionedOffset,
4226
absolutize: function(element) {
4228
return Element.absolutize(element);
4231
relativize: function(element) {
4233
return Element.relativize(element);
4236
realOffset: Element.Methods.cumulativeScrollOffset,
4238
offsetParent: Element.Methods.getOffsetParent,
4240
page: Element.Methods.viewportOffset,
4242
clone: function(source, target, options) {
4243
options = options || { };
4244
return Element.clonePosition(target, source, options);
4248
/*--------------------------------------------------------------------------*/
4250
if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
4251
function iter(name) {
4252
return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
4255
instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
4256
function(element, className) {
4257
className = className.toString().strip();
4258
var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
4259
return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
4260
} : function(element, className) {
4261
className = className.toString().strip();
4262
var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
4263
if (!classNames && !className) return elements;
4265
var nodes = $(element).getElementsByTagName('*');
4266
className = ' ' + className + ' ';
4268
for (var i = 0, child, cn; child = nodes[i]; i++) {
4269
if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
4270
(classNames && classNames.all(function(name) {
4271
return !name.toString().blank() && cn.include(' ' + name + ' ');
4273
elements.push(Element.extend(child));
4278
return function(className, parentElement) {
4279
return $(parentElement || document.body).getElementsByClassName(className);
4283
/*--------------------------------------------------------------------------*/
4285
Element.ClassNames = Class.create();
4286
Element.ClassNames.prototype = {
4287
initialize: function(element) {
4288
this.element = $(element);
4291
_each: function(iterator) {
4292
this.element.className.split(/\s+/).select(function(name) {
4293
return name.length > 0;
4297
set: function(className) {
4298
this.element.className = className;
4301
add: function(classNameToAdd) {
4302
if (this.include(classNameToAdd)) return;
4303
this.set($A(this).concat(classNameToAdd).join(' '));
4306
remove: function(classNameToRemove) {
4307
if (!this.include(classNameToRemove)) return;
4308
this.set($A(this).without(classNameToRemove).join(' '));
4311
toString: function() {
4312
return $A(this).join(' ');
4316
Object.extend(Element.ClassNames.prototype, Enumerable);
4318
/*--------------------------------------------------------------------------*/
4320
Element.addMethods();
b'\\ No newline at end of file'
added
removed
vendor/rails/railties/html/javascripts/prototype.js
