1 // script.aculo.us effects.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009
3 // Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
5 // Justin Palmer (http://encytemedia.com/)
6 // Mark Pilgrim (http://diveintomark.org/)
9 // script.aculo.us is freely distributable under the terms of an MIT-style license.
10 // For details, see the script.aculo.us web site: http://script.aculo.us/
12 // converts rgb() and #xxx to #xxxxxx format,
13 // returns self (or first argument) if not convertable
14 String.prototype.parseColor = function() {
16 if (this.slice(0,4) == 'rgb(') {
17 var cols = this.slice(4,this.length-1).split(',');
18 var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
20 if (this.slice(0,1) == '#') {
21 if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
22 if (this.length==7) color = this.toLowerCase();
25 return (color.length==7 ? color : (arguments[0] || this));
28 /*--------------------------------------------------------------------------*/
30 Element.collectTextNodes = function(element) {
31 return $A($(element).childNodes).collect( function(node) {
32 return (node.nodeType==3 ? node.nodeValue :
33 (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
34 }).flatten().join('');
37 Element.collectTextNodesIgnoreClass = function(element, className) {
38 return $A($(element).childNodes).collect( function(node) {
39 return (node.nodeType==3 ? node.nodeValue :
40 ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
41 Element.collectTextNodesIgnoreClass(node, className) : ''));
42 }).flatten().join('');
45 Element.setContentZoom = function(element, percent) {
47 element.setStyle({fontSize: (percent/100) + 'em'});
48 if (Prototype.Browser.WebKit) window.scrollBy(0,0);
52 Element.getInlineOpacity = function(element){
53 return $(element).style.opacity || '';
56 Element.forceRerendering = function(element) {
59 var n = document.createTextNode(' ');
60 element.appendChild(n);
61 element.removeChild(n);
65 /*--------------------------------------------------------------------------*/
68 _elementDoesNotExistError: {
69 name: 'ElementDoesNotExistError',
70 message: 'The specified DOM element does not exist, but is required for this effect to operate'
74 sinoidal: function(pos) {
75 return (-Math.cos(pos*Math.PI)/2) + .5;
77 reverse: function(pos) {
80 flicker: function(pos) {
81 var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
82 return pos > 1 ? 1 : pos;
84 wobble: function(pos) {
85 return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
87 pulse: function(pos, pulses) {
88 return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
90 spring: function(pos) {
91 return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
101 duration: 1.0, // seconds
102 fps: 100, // 100= assume 66fps max.
103 sync: false, // true for combining
109 tagifyText: function(element) {
110 var tagifyStyle = 'position:relative';
111 if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
113 element = $(element);
114 $A(element.childNodes).each( function(child) {
115 if (child.nodeType==3) {
116 child.nodeValue.toArray().each( function(character) {
117 element.insertBefore(
118 new Element('span', {style: tagifyStyle}).update(
119 character == ' ' ? String.fromCharCode(160) : character),
122 Element.remove(child);
126 multiple: function(element, effect) {
128 if (((typeof element == 'object') ||
129 Object.isFunction(element)) &&
133 elements = $(element).childNodes;
135 var options = Object.extend({
138 }, arguments[2] || { });
139 var masterDelay = options.delay;
141 $A(elements).each( function(element, index) {
142 new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
146 'slide': ['SlideDown','SlideUp'],
147 'blind': ['BlindDown','BlindUp'],
148 'appear': ['Appear','Fade']
150 toggle: function(element, effect, options) {
151 element = $(element);
152 effect = (effect || 'appear').toLowerCase();
154 return Effect[ Effect.PAIRS[ effect ][ element.visible() ? 1 : 0 ] ](element, Object.extend({
155 queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
160 Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
162 /* ------------- core effects ------------- */
164 Effect.ScopedQueue = Class.create(Enumerable, {
165 initialize: function() {
167 this.interval = null;
169 _each: function(iterator) {
170 this.effects._each(iterator);
172 add: function(effect) {
173 var timestamp = new Date().getTime();
175 var position = Object.isString(effect.options.queue) ?
176 effect.options.queue : effect.options.queue.position;
180 // move unstarted effects after this effect
181 this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
182 e.startOn += effect.finishOn;
183 e.finishOn += effect.finishOn;
187 timestamp = this.effects.pluck('startOn').max() || timestamp;
190 // start effect after last queued effect has finished
191 timestamp = this.effects.pluck('finishOn').max() || timestamp;
195 effect.startOn += timestamp;
196 effect.finishOn += timestamp;
198 if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
199 this.effects.push(effect);
202 this.interval = setInterval(this.loop.bind(this), 15);
204 remove: function(effect) {
205 this.effects = this.effects.reject(function(e) { return e==effect });
206 if (this.effects.length == 0) {
207 clearInterval(this.interval);
208 this.interval = null;
212 var timePos = new Date().getTime();
213 for(var i=0, len=this.effects.length;i<len;i++)
214 this.effects[i] && this.effects[i].loop(timePos);
220 get: function(queueName) {
221 if (!Object.isString(queueName)) return queueName;
223 return this.instances.get(queueName) ||
224 this.instances.set(queueName, new Effect.ScopedQueue());
227 Effect.Queue = Effect.Queues.get('global');
229 Effect.Base = Class.create({
231 start: function(options) {
232 if (options && options.transition === false) options.transition = Effect.Transitions.linear;
233 this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
234 this.currentFrame = 0;
236 this.startOn = this.options.delay*1000;
237 this.finishOn = this.startOn+(this.options.duration*1000);
238 this.fromToDelta = this.options.to-this.options.from;
239 this.totalTime = this.finishOn-this.startOn;
240 this.totalFrames = this.options.fps*this.options.duration;
242 this.render = (function() {
243 function dispatch(effect, eventName) {
244 if (effect.options[eventName + 'Internal'])
245 effect.options[eventName + 'Internal'](effect);
246 if (effect.options[eventName])
247 effect.options[eventName](effect);
250 return function(pos) {
251 if (this.state === "idle") {
252 this.state = "running";
253 dispatch(this, 'beforeSetup');
254 if (this.setup) this.setup();
255 dispatch(this, 'afterSetup');
257 if (this.state === "running") {
258 pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
260 dispatch(this, 'beforeUpdate');
261 if (this.update) this.update(pos);
262 dispatch(this, 'afterUpdate');
267 this.event('beforeStart');
268 if (!this.options.sync)
269 Effect.Queues.get(Object.isString(this.options.queue) ?
270 'global' : this.options.queue.scope).add(this);
272 loop: function(timePos) {
273 if (timePos >= this.startOn) {
274 if (timePos >= this.finishOn) {
277 this.event('beforeFinish');
278 if (this.finish) this.finish();
279 this.event('afterFinish');
282 var pos = (timePos - this.startOn) / this.totalTime,
283 frame = (pos * this.totalFrames).round();
284 if (frame > this.currentFrame) {
286 this.currentFrame = frame;
291 if (!this.options.sync)
292 Effect.Queues.get(Object.isString(this.options.queue) ?
293 'global' : this.options.queue.scope).remove(this);
294 this.state = 'finished';
296 event: function(eventName) {
297 if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
298 if (this.options[eventName]) this.options[eventName](this);
300 inspect: function() {
302 for(property in this)
303 if (!Object.isFunction(this[property])) data.set(property, this[property]);
304 return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
308 Effect.Parallel = Class.create(Effect.Base, {
309 initialize: function(effects) {
310 this.effects = effects || [];
311 this.start(arguments[1]);
313 update: function(position) {
314 this.effects.invoke('render', position);
316 finish: function(position) {
317 this.effects.each( function(effect) {
320 effect.event('beforeFinish');
321 if (effect.finish) effect.finish(position);
322 effect.event('afterFinish');
327 Effect.Tween = Class.create(Effect.Base, {
328 initialize: function(object, from, to) {
329 object = Object.isString(object) ? $(object) : object;
330 var args = $A(arguments), method = args.last(),
331 options = args.length == 5 ? args[3] : null;
332 this.method = Object.isFunction(method) ? method.bind(object) :
333 Object.isFunction(object[method]) ? object[method].bind(object) :
334 function(value) { object[method] = value };
335 this.start(Object.extend({ from: from, to: to }, options || { }));
337 update: function(position) {
338 this.method(position);
342 Effect.Event = Class.create(Effect.Base, {
343 initialize: function() {
344 this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
346 update: Prototype.emptyFunction
349 Effect.Opacity = Class.create(Effect.Base, {
350 initialize: function(element) {
351 this.element = $(element);
352 if (!this.element) throw(Effect._elementDoesNotExistError);
353 // make this work on IE on elements without 'layout'
354 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
355 this.element.setStyle({zoom: 1});
356 var options = Object.extend({
357 from: this.element.getOpacity() || 0.0,
359 }, arguments[1] || { });
362 update: function(position) {
363 this.element.setOpacity(position);
367 Effect.Move = Class.create(Effect.Base, {
368 initialize: function(element) {
369 this.element = $(element);
370 if (!this.element) throw(Effect._elementDoesNotExistError);
371 var options = Object.extend({
375 }, arguments[1] || { });
379 this.element.makePositioned();
380 this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
381 this.originalTop = parseFloat(this.element.getStyle('top') || '0');
382 if (this.options.mode == 'absolute') {
383 this.options.x = this.options.x - this.originalLeft;
384 this.options.y = this.options.y - this.originalTop;
387 update: function(position) {
388 this.element.setStyle({
389 left: (this.options.x * position + this.originalLeft).round() + 'px',
390 top: (this.options.y * position + this.originalTop).round() + 'px'
395 // for backwards compatibility
396 Effect.MoveBy = function(element, toTop, toLeft) {
397 return new Effect.Move(element,
398 Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
401 Effect.Scale = Class.create(Effect.Base, {
402 initialize: function(element, percent) {
403 this.element = $(element);
404 if (!this.element) throw(Effect._elementDoesNotExistError);
405 var options = Object.extend({
409 scaleFromCenter: false,
410 scaleMode: 'box', // 'box' or 'contents' or { } with provided values
413 }, arguments[2] || { });
417 this.restoreAfterFinish = this.options.restoreAfterFinish || false;
418 this.elementPositioning = this.element.getStyle('position');
420 this.originalStyle = { };
421 ['top','left','width','height','fontSize'].each( function(k) {
422 this.originalStyle[k] = this.element.style[k];
425 this.originalTop = this.element.offsetTop;
426 this.originalLeft = this.element.offsetLeft;
428 var fontSize = this.element.getStyle('font-size') || '100%';
429 ['em','px','%','pt'].each( function(fontSizeType) {
430 if (fontSize.indexOf(fontSizeType)>0) {
431 this.fontSize = parseFloat(fontSize);
432 this.fontSizeType = fontSizeType;
436 this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
439 if (this.options.scaleMode=='box')
440 this.dims = [this.element.offsetHeight, this.element.offsetWidth];
441 if (/^content/.test(this.options.scaleMode))
442 this.dims = [this.element.scrollHeight, this.element.scrollWidth];
444 this.dims = [this.options.scaleMode.originalHeight,
445 this.options.scaleMode.originalWidth];
447 update: function(position) {
448 var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
449 if (this.options.scaleContent && this.fontSize)
450 this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
451 this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
453 finish: function(position) {
454 if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
456 setDimensions: function(height, width) {
458 if (this.options.scaleX) d.width = width.round() + 'px';
459 if (this.options.scaleY) d.height = height.round() + 'px';
460 if (this.options.scaleFromCenter) {
461 var topd = (height - this.dims[0])/2;
462 var leftd = (width - this.dims[1])/2;
463 if (this.elementPositioning == 'absolute') {
464 if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
465 if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
467 if (this.options.scaleY) d.top = -topd + 'px';
468 if (this.options.scaleX) d.left = -leftd + 'px';
471 this.element.setStyle(d);
475 Effect.Highlight = Class.create(Effect.Base, {
476 initialize: function(element) {
477 this.element = $(element);
478 if (!this.element) throw(Effect._elementDoesNotExistError);
479 var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
483 // Prevent executing on elements not in the layout flow
484 if (this.element.getStyle('display')=='none') { this.cancel(); return; }
485 // Disable background image during the effect
487 if (!this.options.keepBackgroundImage) {
488 this.oldStyle.backgroundImage = this.element.getStyle('background-image');
489 this.element.setStyle({backgroundImage: 'none'});
491 if (!this.options.endcolor)
492 this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
493 if (!this.options.restorecolor)
494 this.options.restorecolor = this.element.getStyle('background-color');
495 // init color calculations
496 this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
497 this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
499 update: function(position) {
500 this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
501 return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
504 this.element.setStyle(Object.extend(this.oldStyle, {
505 backgroundColor: this.options.restorecolor
510 Effect.ScrollTo = function(element) {
511 var options = arguments[1] || { },
512 scrollOffsets = document.viewport.getScrollOffsets(),
513 elementOffsets = $(element).cumulativeOffset();
515 if (options.offset) elementOffsets[1] += options.offset;
517 return new Effect.Tween(null,
521 function(p){ scrollTo(scrollOffsets.left, p.round()); }
525 /* ------------- combination effects ------------- */
527 Effect.Fade = function(element) {
528 element = $(element);
529 var oldOpacity = element.getInlineOpacity();
530 var options = Object.extend({
531 from: element.getOpacity() || 1.0,
533 afterFinishInternal: function(effect) {
534 if (effect.options.to!=0) return;
535 effect.element.hide().setStyle({opacity: oldOpacity});
537 }, arguments[1] || { });
538 return new Effect.Opacity(element,options);
541 Effect.Appear = function(element) {
542 element = $(element);
543 var options = Object.extend({
544 from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
546 // force Safari to render floated elements properly
547 afterFinishInternal: function(effect) {
548 effect.element.forceRerendering();
550 beforeSetup: function(effect) {
551 effect.element.setOpacity(effect.options.from).show();
552 }}, arguments[1] || { });
553 return new Effect.Opacity(element,options);
556 Effect.Puff = function(element) {
557 element = $(element);
559 opacity: element.getInlineOpacity(),
560 position: element.getStyle('position'),
561 top: element.style.top,
562 left: element.style.left,
563 width: element.style.width,
564 height: element.style.height
566 return new Effect.Parallel(
567 [ new Effect.Scale(element, 200,
568 { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
569 new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
570 Object.extend({ duration: 1.0,
571 beforeSetupInternal: function(effect) {
572 Position.absolutize(effect.effects[0].element);
574 afterFinishInternal: function(effect) {
575 effect.effects[0].element.hide().setStyle(oldStyle); }
576 }, arguments[1] || { })
580 Effect.BlindUp = function(element) {
581 element = $(element);
582 element.makeClipping();
583 return new Effect.Scale(element, 0,
584 Object.extend({ scaleContent: false,
586 restoreAfterFinish: true,
587 afterFinishInternal: function(effect) {
588 effect.element.hide().undoClipping();
590 }, arguments[1] || { })
594 Effect.BlindDown = function(element) {
595 element = $(element);
596 var elementDimensions = element.getDimensions();
597 return new Effect.Scale(element, 100, Object.extend({
601 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
602 restoreAfterFinish: true,
603 afterSetup: function(effect) {
604 effect.element.makeClipping().setStyle({height: '0px'}).show();
606 afterFinishInternal: function(effect) {
607 effect.element.undoClipping();
609 }, arguments[1] || { }));
612 Effect.SwitchOff = function(element) {
613 element = $(element);
614 var oldOpacity = element.getInlineOpacity();
615 return new Effect.Appear(element, Object.extend({
618 transition: Effect.Transitions.flicker,
619 afterFinishInternal: function(effect) {
620 new Effect.Scale(effect.element, 1, {
621 duration: 0.3, scaleFromCenter: true,
622 scaleX: false, scaleContent: false, restoreAfterFinish: true,
623 beforeSetup: function(effect) {
624 effect.element.makePositioned().makeClipping();
626 afterFinishInternal: function(effect) {
627 effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
631 }, arguments[1] || { }));
634 Effect.DropOut = function(element) {
635 element = $(element);
637 top: element.getStyle('top'),
638 left: element.getStyle('left'),
639 opacity: element.getInlineOpacity() };
640 return new Effect.Parallel(
641 [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
642 new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
645 beforeSetup: function(effect) {
646 effect.effects[0].element.makePositioned();
648 afterFinishInternal: function(effect) {
649 effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
651 }, arguments[1] || { }));
654 Effect.Shake = function(element) {
655 element = $(element);
656 var options = Object.extend({
659 }, arguments[1] || {});
660 var distance = parseFloat(options.distance);
661 var split = parseFloat(options.duration) / 10.0;
663 top: element.getStyle('top'),
664 left: element.getStyle('left') };
665 return new Effect.Move(element,
666 { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) {
667 new Effect.Move(effect.element,
668 { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
669 new Effect.Move(effect.element,
670 { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
671 new Effect.Move(effect.element,
672 { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
673 new Effect.Move(effect.element,
674 { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
675 new Effect.Move(effect.element,
676 { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
677 effect.element.undoPositioned().setStyle(oldStyle);
678 }}); }}); }}); }}); }}); }});
681 Effect.SlideDown = function(element) {
682 element = $(element).cleanWhitespace();
683 // SlideDown need to have the content of the element wrapped in a container element with fixed height!
684 var oldInnerBottom = element.down().getStyle('bottom');
685 var elementDimensions = element.getDimensions();
686 return new Effect.Scale(element, 100, Object.extend({
689 scaleFrom: window.opera ? 0 : 1,
690 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
691 restoreAfterFinish: true,
692 afterSetup: function(effect) {
693 effect.element.makePositioned();
694 effect.element.down().makePositioned();
695 if (window.opera) effect.element.setStyle({top: ''});
696 effect.element.makeClipping().setStyle({height: '0px'}).show();
698 afterUpdateInternal: function(effect) {
699 effect.element.down().setStyle({bottom:
700 (effect.dims[0] - effect.element.clientHeight) + 'px' });
702 afterFinishInternal: function(effect) {
703 effect.element.undoClipping().undoPositioned();
704 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
705 }, arguments[1] || { })
709 Effect.SlideUp = function(element) {
710 element = $(element).cleanWhitespace();
711 var oldInnerBottom = element.down().getStyle('bottom');
712 var elementDimensions = element.getDimensions();
713 return new Effect.Scale(element, window.opera ? 0 : 1,
714 Object.extend({ scaleContent: false,
718 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
719 restoreAfterFinish: true,
720 afterSetup: function(effect) {
721 effect.element.makePositioned();
722 effect.element.down().makePositioned();
723 if (window.opera) effect.element.setStyle({top: ''});
724 effect.element.makeClipping().show();
726 afterUpdateInternal: function(effect) {
727 effect.element.down().setStyle({bottom:
728 (effect.dims[0] - effect.element.clientHeight) + 'px' });
730 afterFinishInternal: function(effect) {
731 effect.element.hide().undoClipping().undoPositioned();
732 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
734 }, arguments[1] || { })
738 // Bug in opera makes the TD containing this element expand for a instance after finish
739 Effect.Squish = function(element) {
740 return new Effect.Scale(element, window.opera ? 1 : 0, {
741 restoreAfterFinish: true,
742 beforeSetup: function(effect) {
743 effect.element.makeClipping();
745 afterFinishInternal: function(effect) {
746 effect.element.hide().undoClipping();
751 Effect.Grow = function(element) {
752 element = $(element);
753 var options = Object.extend({
755 moveTransition: Effect.Transitions.sinoidal,
756 scaleTransition: Effect.Transitions.sinoidal,
757 opacityTransition: Effect.Transitions.full
758 }, arguments[1] || { });
760 top: element.style.top,
761 left: element.style.left,
762 height: element.style.height,
763 width: element.style.width,
764 opacity: element.getInlineOpacity() };
766 var dims = element.getDimensions();
767 var initialMoveX, initialMoveY;
770 switch (options.direction) {
772 initialMoveX = initialMoveY = moveX = moveY = 0;
775 initialMoveX = dims.width;
776 initialMoveY = moveY = 0;
780 initialMoveX = moveX = 0;
781 initialMoveY = dims.height;
782 moveY = -dims.height;
785 initialMoveX = dims.width;
786 initialMoveY = dims.height;
788 moveY = -dims.height;
791 initialMoveX = dims.width / 2;
792 initialMoveY = dims.height / 2;
793 moveX = -dims.width / 2;
794 moveY = -dims.height / 2;
798 return new Effect.Move(element, {
802 beforeSetup: function(effect) {
803 effect.element.hide().makeClipping().makePositioned();
805 afterFinishInternal: function(effect) {
807 [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
808 new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
809 new Effect.Scale(effect.element, 100, {
810 scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
811 sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
813 beforeSetup: function(effect) {
814 effect.effects[0].element.setStyle({height: '0px'}).show();
816 afterFinishInternal: function(effect) {
817 effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
825 Effect.Shrink = function(element) {
826 element = $(element);
827 var options = Object.extend({
829 moveTransition: Effect.Transitions.sinoidal,
830 scaleTransition: Effect.Transitions.sinoidal,
831 opacityTransition: Effect.Transitions.none
832 }, arguments[1] || { });
834 top: element.style.top,
835 left: element.style.left,
836 height: element.style.height,
837 width: element.style.width,
838 opacity: element.getInlineOpacity() };
840 var dims = element.getDimensions();
843 switch (options.direction) {
860 moveX = dims.width / 2;
861 moveY = dims.height / 2;
865 return new Effect.Parallel(
866 [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
867 new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
868 new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
870 beforeStartInternal: function(effect) {
871 effect.effects[0].element.makePositioned().makeClipping();
873 afterFinishInternal: function(effect) {
874 effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
879 Effect.Pulsate = function(element) {
880 element = $(element);
881 var options = arguments[1] || { },
882 oldOpacity = element.getInlineOpacity(),
883 transition = options.transition || Effect.Transitions.linear,
884 reverser = function(pos){
885 return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
888 return new Effect.Opacity(element,
889 Object.extend(Object.extend({ duration: 2.0, from: 0,
890 afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
891 }, options), {transition: reverser}));
894 Effect.Fold = function(element) {
895 element = $(element);
897 top: element.style.top,
898 left: element.style.left,
899 width: element.style.width,
900 height: element.style.height };
901 element.makeClipping();
902 return new Effect.Scale(element, 5, Object.extend({
905 afterFinishInternal: function(effect) {
906 new Effect.Scale(element, 1, {
909 afterFinishInternal: function(effect) {
910 effect.element.hide().undoClipping().setStyle(oldStyle);
912 }}, arguments[1] || { }));
915 Effect.Morph = Class.create(Effect.Base, {
916 initialize: function(element) {
917 this.element = $(element);
918 if (!this.element) throw(Effect._elementDoesNotExistError);
919 var options = Object.extend({
921 }, arguments[1] || { });
923 if (!Object.isString(options.style)) this.style = $H(options.style);
925 if (options.style.include(':'))
926 this.style = options.style.parseStyle();
928 this.element.addClassName(options.style);
929 this.style = $H(this.element.getStyles());
930 this.element.removeClassName(options.style);
931 var css = this.element.getStyles();
932 this.style = this.style.reject(function(style) {
933 return style.value == css[style.key];
935 options.afterFinishInternal = function(effect) {
936 effect.element.addClassName(effect.options.style);
937 effect.transforms.each(function(transform) {
938 effect.element.style[transform.style] = '';
947 function parseColor(color){
948 if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
949 color = color.parseColor();
950 return $R(0,2).map(function(i){
951 return parseInt( color.slice(i*2+1,i*2+3), 16 );
954 this.transforms = this.style.map(function(pair){
955 var property = pair[0], value = pair[1], unit = null;
957 if (value.parseColor('#zzzzzz') != '#zzzzzz') {
958 value = value.parseColor();
960 } else if (property == 'opacity') {
961 value = parseFloat(value);
962 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
963 this.element.setStyle({zoom: 1});
964 } else if (Element.CSS_LENGTH.test(value)) {
965 var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
966 value = parseFloat(components[1]);
967 unit = (components.length == 3) ? components[2] : null;
970 var originalValue = this.element.getStyle(property);
972 style: property.camelize(),
973 originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
974 targetValue: unit=='color' ? parseColor(value) : value,
977 }.bind(this)).reject(function(transform){
979 (transform.originalValue == transform.targetValue) ||
981 transform.unit != 'color' &&
982 (isNaN(transform.originalValue) || isNaN(transform.targetValue))
987 update: function(position) {
988 var style = { }, transform, i = this.transforms.length;
990 style[(transform = this.transforms[i]).style] =
991 transform.unit=='color' ? '#'+
992 (Math.round(transform.originalValue[0]+
993 (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
994 (Math.round(transform.originalValue[1]+
995 (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
996 (Math.round(transform.originalValue[2]+
997 (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
998 (transform.originalValue +
999 (transform.targetValue - transform.originalValue) * position).toFixed(3) +
1000 (transform.unit === null ? '' : transform.unit);
1001 this.element.setStyle(style, true);
1005 Effect.Transform = Class.create({
1006 initialize: function(tracks){
1008 this.options = arguments[1] || { };
1009 this.addTracks(tracks);
1011 addTracks: function(tracks){
1012 tracks.each(function(track){
1014 var data = track.values().first();
1015 this.tracks.push($H({
1016 ids: track.keys().first(),
1017 effect: Effect.Morph,
1018 options: { style: data }
1024 return new Effect.Parallel(
1025 this.tracks.map(function(track){
1026 var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
1027 var elements = [$(ids) || $$(ids)].flatten();
1028 return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
1035 Element.CSS_PROPERTIES = $w(
1036 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
1037 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
1038 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
1039 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
1040 'fontSize fontWeight height left letterSpacing lineHeight ' +
1041 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
1042 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
1043 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
1044 'right textIndent top width wordSpacing zIndex');
1046 Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
1048 String.__parseStyleElement = document.createElement('div');
1049 String.prototype.parseStyle = function(){
1050 var style, styleRules = $H();
1051 if (Prototype.Browser.WebKit)
1052 style = new Element('div',{style:this}).style;
1054 String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
1055 style = String.__parseStyleElement.childNodes[0].style;
1058 Element.CSS_PROPERTIES.each(function(property){
1059 if (style[property]) styleRules.set(property, style[property]);
1062 if (Prototype.Browser.IE && this.include('opacity'))
1063 styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
1068 if (document.defaultView && document.defaultView.getComputedStyle) {
1069 Element.getStyles = function(element) {
1070 var css = document.defaultView.getComputedStyle($(element), null);
1071 return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
1072 styles[property] = css[property];
1077 Element.getStyles = function(element) {
1078 element = $(element);
1079 var css = element.currentStyle, styles;
1080 styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
1081 results[property] = css[property];
1084 if (!styles.opacity) styles.opacity = element.getOpacity();
1090 morph: function(element, style) {
1091 element = $(element);
1092 new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
1095 visualEffect: function(element, effect, options) {
1096 element = $(element);
1097 var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
1098 new Effect[klass](element, options);
1101 highlight: function(element, options) {
1102 element = $(element);
1103 new Effect.Highlight(element, options);
1108 $w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
1109 'pulsate shake puff squish switchOff dropOut').each(
1111 Effect.Methods[effect] = function(element, options){
1112 element = $(element);
1113 Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
1119 $w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
1120 function(f) { Effect.Methods[f] = Element[f]; }
1123 Element.addMethods(Effect.Methods);