1 /* Prototype: an object-oriented Javascript library, version 1.2.1
2 * (c) 2005 Sam Stephenson <sam@conio.net>
4 * THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
5 * against the source tree, available from the Prototype darcs repository.
7 * Prototype is freely distributable under the terms of an MIT-style license.
9 * For details, see the Prototype web site: http://prototype.conio.net/
11 /*--------------------------------------------------------------------------*/
20 this.initialize.apply(this, arguments);
25 var Abstract = new Object();
27 Object.prototype.extend = function(object) {
28 for (property in object) {
29 this[property] = object[property];
34 Function.prototype.bind = function(object) {
37 method.apply(object, arguments);
41 Function.prototype.bindAsEventListener = function(object) {
43 return function(event) {
44 method.call(object, event || window.event);
48 Number.prototype.toColorPart = function() {
49 var digits = this.toString(16);
50 if (this < 16) return '0' + digits;
58 for (var i = 0; i < arguments.length; i++) {
59 var lambda = arguments[i];
61 returnValue = lambda();
70 /*--------------------------------------------------------------------------*/
72 var PeriodicalExecuter = Class.create();
73 PeriodicalExecuter.prototype = {
74 initialize: function(callback, frequency) {
75 this.callback = callback;
76 this.frequency = frequency;
77 this.currentlyExecuting = false;
79 this.registerCallback();
82 registerCallback: function() {
83 setTimeout(this.onTimerEvent.bind(this), this.frequency * 1000);
86 onTimerEvent: function() {
87 if (!this.currentlyExecuting) {
89 this.currentlyExecuting = true;
92 this.currentlyExecuting = false;
96 this.registerCallback();
100 /*--------------------------------------------------------------------------*/
103 var elements = new Array();
105 for (var i = 0; i < arguments.length; i++) {
106 var element = arguments[i];
107 if (typeof element == 'string')
108 element = document.getElementById(element);
110 if (arguments.length == 1)
113 elements.push(element);
119 /*--------------------------------------------------------------------------*/
121 if (!Array.prototype.push) {
122 Array.prototype.push = function() {
123 var startLength = this.length;
124 for (var i = 0; i < arguments.length; i++)
125 this[startLength + i] = arguments[i];
130 if (!Function.prototype.apply) {
131 // Based on code from http://www.youngpup.net/
132 Function.prototype.apply = function(object, parameters) {
133 var parameterStrings = new Array();
134 if (!object) object = window;
135 if (!parameters) parameters = new Array();
137 for (var i = 0; i < parameters.length; i++)
138 parameterStrings[i] = 'x[' + i + ']';
140 object.__apply__ = this;
141 var result = eval('obj.__apply__(' +
142 parameterStrings[i].join(', ') + ')');
143 object.__apply__ = null;
149 /*--------------------------------------------------------------------------*/
152 getTransport: function() {
154 function() {return new ActiveXObject('Msxml2.XMLHTTP')},
155 function() {return new ActiveXObject('Microsoft.XMLHTTP')},
156 function() {return new XMLHttpRequest()}
160 emptyFunction: function() {}
163 Ajax.Base = function() {};
164 Ajax.Base.prototype = {
165 setOptions: function(options) {
170 }.extend(options || {});
174 Ajax.Request = Class.create();
175 Ajax.Request.Events =
176 ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
178 Ajax.Request.prototype = (new Ajax.Base()).extend({
179 initialize: function(url, options) {
180 this.transport = Ajax.getTransport();
181 this.setOptions(options);
184 if (this.options.method == 'get')
185 url += '?' + this.options.parameters + '&_=';
187 this.transport.open(this.options.method, url,
188 this.options.asynchronous);
190 if (this.options.asynchronous) {
191 this.transport.onreadystatechange = this.onStateChange.bind(this);
192 setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
195 this.transport.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
196 this.transport.setRequestHeader('X-Prototype-Version',
199 if (this.options.method == 'post') {
200 this.transport.setRequestHeader('Connection', 'close');
201 this.transport.setRequestHeader('Content-type',
202 'application/x-www-form-urlencoded');
205 if (this.options.requestHeaders) {
206 for (var i=0; i< (this.options.requestHeaders.length-1);i+=2)
207 this.transport.setRequestHeader(this.options.requestHeaders[i],
208 this.options.requestHeaders[i+1]);
211 var sendData = this.options.postBody ? this.options.postBody
212 : this.options.parameters ? this.options.parameters + '&_'
215 this.transport.send(this.options.method == 'post' ? sendData : null );
221 onStateChange: function() {
222 var readyState = this.transport.readyState;
224 this.respondToReadyState(this.transport.readyState);
227 respondToReadyState: function(readyState) {
228 var event = Ajax.Request.Events[readyState];
229 (this.options['on' + event] || Ajax.emptyFunction)(this.transport);
233 Ajax.Updater = Class.create();
234 Ajax.Updater.prototype = (new Ajax.Base()).extend({
235 initialize: function(container, url, options) {
236 this.container = $(container);
237 this.setOptions(options);
239 if (this.options.asynchronous) {
240 this.onComplete = this.options.onComplete;
241 this.options.onComplete = this.updateContent.bind(this);
244 this.request = new Ajax.Request(url, this.options);
246 if (!this.options.asynchronous)
247 this.updateContent();
250 updateContent: function() {
251 if (this.request.transport.status == 200) {
252 if (this.options.insertion) {
253 new this.options.insertion(this.container,
254 this.request.transport.responseText);
256 this.container.innerHTML = this.request.transport.responseText;
260 if (this.onComplete) {
261 setTimeout((function() {this.onComplete(
262 this.request.transport)}).bind(this), 10);
267 /*--------------------------------------------------------------------------*/
271 for (var i = 0; i < arguments.length; i++)
272 $(arguments[i]).value = '';
275 focus: function(element) {
279 present: function() {
280 for (var i = 0; i < arguments.length; i++)
281 if ($(arguments[i]).value == '') return false;
285 select: function(element) {
289 activate: function(element) {
295 /*--------------------------------------------------------------------------*/
298 serialize: function(form) {
299 var elements = Form.getElements($(form));
300 var queryComponents = new Array();
302 for (var i = 0; i < elements.length; i++) {
303 var queryComponent = Form.Element.serialize(elements[i]);
305 queryComponents.push(queryComponent);
308 return queryComponents.join('&');
311 getElements: function(form) {
313 var elements = new Array();
315 for (tagName in Form.Element.Serializers) {
316 var tagElements = form.getElementsByTagName(tagName);
317 for (var j = 0; j < tagElements.length; j++)
318 elements.push(tagElements[j]);
323 disable: function(form) {
324 var elements = Form.getElements(form);
325 for (var i = 0; i < elements.length; i++) {
326 var element = elements[i];
328 element.disable = 'true';
332 focusFirstElement: function(form) {
334 var elements = Form.getElements(form);
335 for (var i = 0; i < elements.length; i++) {
336 var element = elements[i];
337 if (element.type != 'hidden' && !element.disabled) {
338 Field.activate(element);
344 reset: function(form) {
350 serialize: function(element) {
351 element = $(element);
352 var method = element.tagName.toLowerCase();
353 var parameter = Form.Element.Serializers[method](element);
356 return encodeURIComponent(parameter[0]) + '=' +
357 encodeURIComponent(parameter[1]);
360 getValue: function(element) {
361 element = $(element);
362 var method = element.tagName.toLowerCase();
363 var parameter = Form.Element.Serializers[method](element);
370 Form.Element.Serializers = {
371 input: function(element) {
372 switch (element.type.toLowerCase()) {
376 return Form.Element.Serializers.textarea(element);
379 return Form.Element.Serializers.inputSelector(element);
384 inputSelector: function(element) {
386 return [element.name, element.value];
389 textarea: function(element) {
390 return [element.name, element.value];
393 select: function(element) {
394 var index = element.selectedIndex;
395 var value = element.options[index].value || element.options[index].text;
396 return [element.name, (index >= 0) ? value : ''];
400 /*--------------------------------------------------------------------------*/
402 var $F = Form.Element.getValue;
404 /*--------------------------------------------------------------------------*/
406 Abstract.TimedObserver = function() {}
407 Abstract.TimedObserver.prototype = {
408 initialize: function(element, frequency, callback) {
409 this.frequency = frequency;
410 this.element = $(element);
411 this.callback = callback;
413 this.lastValue = this.getValue();
414 this.registerCallback();
417 registerCallback: function() {
418 setTimeout(this.onTimerEvent.bind(this), this.frequency * 1000);
421 onTimerEvent: function() {
422 var value = this.getValue();
423 if (this.lastValue != value) {
424 this.callback(this.element, value);
425 this.lastValue = value;
428 this.registerCallback();
432 Form.Element.Observer = Class.create();
433 Form.Element.Observer.prototype = (new Abstract.TimedObserver()).extend({
434 getValue: function() {
435 return Form.Element.getValue(this.element);
439 Form.Observer = Class.create();
440 Form.Observer.prototype = (new Abstract.TimedObserver()).extend({
441 getValue: function() {
442 return Form.serialize(this.element);
447 /*--------------------------------------------------------------------------*/
449 document.getElementsByClassName = function(className) {
450 var children = document.getElementsByTagName('*') || document.all;
451 var elements = new Array();
453 for (var i = 0; i < children.length; i++) {
454 var child = children[i];
455 var classNames = child.className.split(' ');
456 for (var j = 0; j < classNames.length; j++) {
457 if (classNames[j] == className) {
458 elements.push(child);
467 /*--------------------------------------------------------------------------*/
471 for (var i = 0; i < arguments.length; i++) {
472 var element = $(arguments[i]);
473 element.style.display =
474 (element.style.display == 'none' ? '' : 'none');
479 for (var i = 0; i < arguments.length; i++) {
480 var element = $(arguments[i]);
481 element.style.display = 'none';
486 for (var i = 0; i < arguments.length; i++) {
487 var element = $(arguments[i]);
488 element.style.display = '';
492 remove: function(element) {
493 element = $(element);
494 element.parentNode.removeChild(element);
497 getHeight: function(element) {
498 element = $(element);
499 return element.offsetHeight;
503 var Toggle = new Object();
504 Toggle.display = Element.toggle;
506 /*--------------------------------------------------------------------------*/
508 Abstract.Insertion = function(adjacency) {
509 this.adjacency = adjacency;
512 Abstract.Insertion.prototype = {
513 initialize: function(element, content) {
514 this.element = $(element);
515 this.content = content;
517 if (this.adjacency && this.element.insertAdjacentHTML) {
518 this.element.insertAdjacentHTML(this.adjacency, this.content);
520 this.range = this.element.ownerDocument.createRange();
521 if (this.initializeRange) this.initializeRange();
522 this.fragment = this.range.createContextualFragment(this.content);
523 this.insertContent();
528 var Insertion = new Object();
530 Insertion.Before = Class.create();
531 Insertion.Before.prototype = (new Abstract.Insertion('beforeBegin')).extend({
532 initializeRange: function() {
533 this.range.setStartBefore(this.element);
536 insertContent: function() {
537 this.element.parentNode.insertBefore(this.fragment, this.element);
541 Insertion.Top = Class.create();
542 Insertion.Top.prototype = (new Abstract.Insertion('afterBegin')).extend({
543 initializeRange: function() {
544 this.range.selectNodeContents(this.element);
545 this.range.collapse(true);
548 insertContent: function() {
549 this.element.insertBefore(this.fragment, this.element.firstChild);
553 Insertion.Bottom = Class.create();
554 Insertion.Bottom.prototype = (new Abstract.Insertion('beforeEnd')).extend({
555 initializeRange: function() {
556 this.range.selectNodeContents(this.element);
557 this.range.collapse(this.element);
560 insertContent: function() {
561 this.element.appendChild(this.fragment);
565 Insertion.After = Class.create();
566 Insertion.After.prototype = (new Abstract.Insertion('afterEnd')).extend({
567 initializeRange: function() {
568 this.range.setStartAfter(this.element);
571 insertContent: function() {
572 this.element.parentNode.insertBefore(this.fragment,
573 this.element.nextSibling);
577 /*--------------------------------------------------------------------------*/
579 var Effect = new Object();
581 Effect.Highlight = Class.create();
582 Effect.Highlight.prototype = {
583 initialize: function(element) {
584 this.element = $(element);
587 this.current = this.start;
592 if (this.isFinished()) return;
593 if (this.timer) clearTimeout(this.timer);
594 this.highlight(this.element, this.current);
596 this.timer = setTimeout(this.fade.bind(this), 250);
599 isFinished: function() {
600 return this.current > this.finish;
603 highlight: function(element, current) {
604 element.style.backgroundColor = "#ffff" + current.toColorPart();
609 Effect.Fade = Class.create();
610 Effect.Fade.prototype = {
611 initialize: function(element) {
612 this.element = $(element);
615 this.current = this.start;
620 if (this.isFinished()) { this.element.style.display = 'none'; return; }
621 if (this.timer) clearTimeout(this.timer);
622 this.setOpacity(this.element, this.current);
624 this.timer = setTimeout(this.fade.bind(this), 50);
627 isFinished: function() {
628 return this.current <= this.finish;
631 setOpacity: function(element, opacity) {
632 opacity = (opacity == 100) ? 99.999 : opacity;
633 element.style.filter = "alpha(opacity:"+opacity+")";
634 element.style.opacity = opacity/100 /*//*/;
638 Effect.Scale = Class.create();
639 Effect.Scale.prototype = {
640 initialize: function(element, percent) {
641 this.element = $(element);
642 this.startScale = 1.0;
643 this.startHeight = this.element.offsetHeight;
644 this.startWidth = this.element.offsetWidth;
645 this.currentHeight = this.startHeight;
646 this.currentWidth = this.startWidth;
647 this.finishScale = (percent/100) /*//*/;
648 if (this.element.style.fontSize=="") this.sizeEm = 1.0;
649 if (this.element.style.fontSize.indexOf("em")>0)
650 this.sizeEm = parseFloat(this.element.style.fontSize);
651 if(this.element.effect_scale) {
652 clearTimeout(this.element.effect_scale.timer);
653 this.startScale = this.element.effect_scale.currentScale;
654 this.startHeight = this.element.effect_scale.startHeight;
655 this.startWidth = this.element.effect_scale.startWidth;
656 if(this.element.effect_scale.sizeEm)
657 this.sizeEm = this.element.effect_scale.sizeEm;
659 this.element.effect_scale = this;
660 this.currentScale = this.startScale;
661 this.factor = this.finishScale - this.startScale;
662 this.options = arguments[2] || {};
667 if (this.isFinished()) {
668 this.setDimensions(this.element, this.startWidth*this.finishScale, this.startHeight*this.finishScale);
669 if(this.sizeEm) this.element.style.fontSize = this.sizeEm*this.finishScale + "em";
670 if(this.options.complete) this.options.complete(this);
673 if (this.timer) clearTimeout(this.timer);
674 if (this.options.step) this.options.step(this);
675 this.setDimensions(this.element, this.currentWidth, this.currentHeight);
676 if(this.sizeEm) this.element.style.fontSize = this.sizeEm*this.currentScale + "em";
677 this.currentScale += (this.factor/10) /*//*/;
678 this.currentWidth = this.startWidth * this.currentScale;
679 this.currentHeight = this.startHeight * this.currentScale;
680 this.timer = setTimeout(this.scale.bind(this), 50);
683 isFinished: function() {
684 return (this.factor < 0) ?
685 this.currentScale <= this.finishScale : this.currentScale >= this.finishScale;
688 setDimensions: function(element, width, height) {
689 element.style.width = width + 'px';
690 element.style.height = height + 'px';
694 Effect.Squish = Class.create();
695 Effect.Squish.prototype = {
696 initialize: function(element) {
697 this.element = $(element);
698 new Effect.Scale(this.element, 1, { complete: this.hide.bind(this) } );
701 this.element.style.display = 'none';
705 Effect.Puff = Class.create();
706 Effect.Puff.prototype = {
707 initialize: function(element) {
708 this.element = $(element);
710 this.startTop = this.element.top || this.element.offsetTop;
711 this.startLeft = this.element.left || this.element.offsetLeft;
712 new Effect.Scale(this.element, 200, { step: this.fade.bind(this), complete: this.hide.bind(this) } );
714 fade: function(effect) {
715 topd = (((effect.currentScale)*effect.startHeight) - effect.startHeight)/2;
716 leftd = (((effect.currentScale)*effect.startWidth) - effect.startWidth)/2;
717 this.element.style.position='absolute';
718 this.element.style.top = this.startTop-topd + "px";
719 this.element.style.left = this.startLeft-leftd + "px";
721 this.setOpacity(this.element, this.opacity);
722 if(navigator.appVersion.indexOf('AppleWebKit')>0) this.element.innerHTML += ''; //force redraw on safari
725 this.element.style.display = 'none';
727 setOpacity: function(element, opacity) {
728 opacity = (opacity == 100) ? 99.999 : opacity;
729 element.style.filter = "alpha(opacity:"+opacity+")";
730 element.style.opacity = opacity/100 /*//*/;
734 Effect.Appear = Class.create();
735 Effect.Appear.prototype = {
736 initialize: function(element) {
737 this.element = $(element);
740 this.current = this.start;
745 if (this.isFinished()) return;
746 if (this.timer) clearTimeout(this.timer);
747 this.setOpacity(this.element, this.current);
749 this.timer = setTimeout(this.fade.bind(this), 50);
752 isFinished: function() {
753 return this.current > this.finish;
756 setOpacity: function(element, opacity) {
757 opacity = (opacity == 100) ? 99.999 : opacity;
758 element.style.filter = "alpha(opacity:"+opacity+")";
759 element.style.opacity = opacity/100 /*//*/;
760 element.style.display = '';
764 Effect.ContentZoom = Class.create();
765 Effect.ContentZoom.prototype = {
766 initialize: function(element, percent) {
767 this.element = $(element);
768 if (this.element.style.fontSize=="") this.sizeEm = 1.0;
769 if (this.element.style.fontSize.indexOf("em")>0)
770 this.sizeEm = parseFloat(this.element.style.fontSize);
771 if(this.element.effect_contentzoom) {
772 this.sizeEm = this.element.effect_contentzoom.sizeEm;
774 this.element.effect_contentzoom = this;
775 this.element.style.fontSize = this.sizeEm*(percent/100) + "em" /*//*/;
776 if(navigator.appVersion.indexOf('AppleWebKit')>0) { this.element.scrollTop -= 1; };