1 // Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
3 // Justin Palmer (http://encytemedia.com/)
4 // Mark Pilgrim (http://diveintomark.org/)
7 // See scriptaculous.js for full license.
9 // converts rgb() and #xxx to #xxxxxx format,
10 // returns self (or first argument) if not convertable
11 String.prototype.parseColor = function() {
13 if(this.slice(0,4) == 'rgb(') {
14 var cols = this.slice(4,this.length-1).split(',');
15 var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
17 if(this.slice(0,1) == '#') {
18 if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
19 if(this.length==7) color = this.toLowerCase();
22 return(color.length==7 ? color : (arguments[0] || this));
25 /*--------------------------------------------------------------------------*/
27 Element.collectTextNodes = function(element) {
28 return $A($(element).childNodes).collect( function(node) {
29 return (node.nodeType==3 ? node.nodeValue :
30 (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
31 }).flatten().join('');
34 Element.collectTextNodesIgnoreClass = function(element, className) {
35 return $A($(element).childNodes).collect( function(node) {
36 return (node.nodeType==3 ? node.nodeValue :
37 ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
38 Element.collectTextNodesIgnoreClass(node, className) : ''));
39 }).flatten().join('');
42 Element.setContentZoom = function(element, percent) {
44 Element.setStyle(element, {fontSize: (percent/100) + 'em'});
45 if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
48 Element.getOpacity = function(element){
50 if (opacity = Element.getStyle(element, 'opacity'))
51 return parseFloat(opacity);
52 if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))
53 if(opacity[1]) return parseFloat(opacity[1]) / 100;
57 Element.setOpacity = function(element, value){
60 Element.setStyle(element, { opacity:
61 (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ?
63 if(/MSIE/.test(navigator.userAgent))
64 Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});
66 if(value < 0.00001) value = 0;
67 Element.setStyle(element, {opacity: value});
68 if(/MSIE/.test(navigator.userAgent))
69 Element.setStyle(element,
70 { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
71 'alpha(opacity='+value*100+')' });
75 Element.getInlineOpacity = function(element){
76 return $(element).style.opacity || '';
79 Element.childrenWithClassName = function(element, className, findFirst) {
80 var classNameRegExp = new RegExp("(^|\\s)" + className + "(\\s|$)");
81 var results = $A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) {
82 return (c.className && c.className.match(classNameRegExp));
84 if(!results) results = [];
88 Element.forceRerendering = function(element) {
91 var n = document.createTextNode(' ');
92 element.appendChild(n);
93 element.removeChild(n);
97 /*--------------------------------------------------------------------------*/
99 Array.prototype.call = function() {
100 var args = arguments;
101 this.each(function(f){ f.apply(this, args) });
104 /*--------------------------------------------------------------------------*/
107 tagifyText: function(element) {
108 var tagifyStyle = 'position:relative';
109 if(/MSIE/.test(navigator.userAgent)) tagifyStyle += ';zoom:1';
110 element = $(element);
111 $A(element.childNodes).each( function(child) {
112 if(child.nodeType==3) {
113 child.nodeValue.toArray().each( function(character) {
114 element.insertBefore(
115 Builder.node('span',{style: tagifyStyle},
116 character == ' ' ? String.fromCharCode(160) : character),
119 Element.remove(child);
123 multiple: function(element, effect) {
125 if(((typeof element == 'object') ||
126 (typeof element == 'function')) &&
130 elements = $(element).childNodes;
132 var options = Object.extend({
135 }, arguments[2] || {});
136 var masterDelay = options.delay;
138 $A(elements).each( function(element, index) {
139 new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
143 'slide': ['SlideDown','SlideUp'],
144 'blind': ['BlindDown','BlindUp'],
145 'appear': ['Appear','Fade']
147 toggle: function(element, effect) {
148 element = $(element);
149 effect = (effect || 'appear').toLowerCase();
150 var options = Object.extend({
151 queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
152 }, arguments[2] || {});
153 Effect[element.visible() ?
154 Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
158 var Effect2 = Effect; // deprecated
160 /* ------------- transitions ------------- */
162 Effect.Transitions = {}
164 Effect.Transitions.linear = function(pos) {
167 Effect.Transitions.sinoidal = function(pos) {
168 return (-Math.cos(pos*Math.PI)/2) + 0.5;
170 Effect.Transitions.reverse = function(pos) {
173 Effect.Transitions.flicker = function(pos) {
174 return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
176 Effect.Transitions.wobble = function(pos) {
177 return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
179 Effect.Transitions.pulse = function(pos) {
180 return (Math.floor(pos*10) % 2 == 0 ?
181 (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
183 Effect.Transitions.none = function(pos) {
186 Effect.Transitions.full = function(pos) {
190 /* ------------- core effects ------------- */
192 Effect.ScopedQueue = Class.create();
193 Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
194 initialize: function() {
196 this.interval = null;
198 _each: function(iterator) {
199 this.effects._each(iterator);
201 add: function(effect) {
202 var timestamp = new Date().getTime();
204 var position = (typeof effect.options.queue == 'string') ?
205 effect.options.queue : effect.options.queue.position;
209 // move unstarted effects after this effect
210 this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
211 e.startOn += effect.finishOn;
212 e.finishOn += effect.finishOn;
216 // start effect after last queued effect has finished
217 timestamp = this.effects.pluck('finishOn').max() || timestamp;
221 effect.startOn += timestamp;
222 effect.finishOn += timestamp;
224 if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
225 this.effects.push(effect);
228 this.interval = setInterval(this.loop.bind(this), 40);
230 remove: function(effect) {
231 this.effects = this.effects.reject(function(e) { return e==effect });
232 if(this.effects.length == 0) {
233 clearInterval(this.interval);
234 this.interval = null;
238 var timePos = new Date().getTime();
239 this.effects.invoke('loop', timePos);
245 get: function(queueName) {
246 if(typeof queueName != 'string') return queueName;
248 if(!this.instances[queueName])
249 this.instances[queueName] = new Effect.ScopedQueue();
251 return this.instances[queueName];
254 Effect.Queue = Effect.Queues.get('global');
256 Effect.DefaultOptions = {
257 transition: Effect.Transitions.sinoidal,
258 duration: 1.0, // seconds
259 fps: 25.0, // max. 25fps due to Effect.Queue implementation
260 sync: false, // true for combining
267 Effect.Base = function() {};
268 Effect.Base.prototype = {
270 start: function(options) {
271 this.options = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
272 this.currentFrame = 0;
274 this.startOn = this.options.delay*1000;
275 this.finishOn = this.startOn + (this.options.duration*1000);
276 this.event('beforeStart');
277 if(!this.options.sync)
278 Effect.Queues.get(typeof this.options.queue == 'string' ?
279 'global' : this.options.queue.scope).add(this);
281 loop: function(timePos) {
282 if(timePos >= this.startOn) {
283 if(timePos >= this.finishOn) {
286 this.event('beforeFinish');
287 if(this.finish) this.finish();
288 this.event('afterFinish');
291 var pos = (timePos - this.startOn) / (this.finishOn - this.startOn);
292 var frame = Math.round(pos * this.options.fps * this.options.duration);
293 if(frame > this.currentFrame) {
295 this.currentFrame = frame;
299 render: function(pos) {
300 if(this.state == 'idle') {
301 this.state = 'running';
302 this.event('beforeSetup');
303 if(this.setup) this.setup();
304 this.event('afterSetup');
306 if(this.state == 'running') {
307 if(this.options.transition) pos = this.options.transition(pos);
308 pos *= (this.options.to-this.options.from);
309 pos += this.options.from;
311 this.event('beforeUpdate');
312 if(this.update) this.update(pos);
313 this.event('afterUpdate');
317 if(!this.options.sync)
318 Effect.Queues.get(typeof this.options.queue == 'string' ?
319 'global' : this.options.queue.scope).remove(this);
320 this.state = 'finished';
322 event: function(eventName) {
323 if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
324 if(this.options[eventName]) this.options[eventName](this);
326 inspect: function() {
327 return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';
331 Effect.Parallel = Class.create();
332 Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
333 initialize: function(effects) {
334 this.effects = effects || [];
335 this.start(arguments[1]);
337 update: function(position) {
338 this.effects.invoke('render', position);
340 finish: function(position) {
341 this.effects.each( function(effect) {
344 effect.event('beforeFinish');
345 if(effect.finish) effect.finish(position);
346 effect.event('afterFinish');
351 Effect.Opacity = Class.create();
352 Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
353 initialize: function(element) {
354 this.element = $(element);
355 // make this work on IE on elements without 'layout'
356 if(/MSIE/.test(navigator.userAgent) && (!this.element.hasLayout))
357 this.element.setStyle({zoom: 1});
358 var options = Object.extend({
359 from: this.element.getOpacity() || 0.0,
361 }, arguments[1] || {});
364 update: function(position) {
365 this.element.setOpacity(position);
369 Effect.Move = Class.create();
370 Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
371 initialize: function(element) {
372 this.element = $(element);
373 var options = Object.extend({
377 }, arguments[1] || {});
381 // Bug in Opera: Opera returns the "real" position of a static element or
382 // relative element that does not have top/left explicitly set.
383 // ==> Always set top and left for position relative elements in your stylesheets
384 // (to 0 if you do not need them)
385 this.element.makePositioned();
386 this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
387 this.originalTop = parseFloat(this.element.getStyle('top') || '0');
388 if(this.options.mode == 'absolute') {
389 // absolute movement, so we need to calc deltaX and deltaY
390 this.options.x = this.options.x - this.originalLeft;
391 this.options.y = this.options.y - this.originalTop;
394 update: function(position) {
395 this.element.setStyle({
396 left: this.options.x * position + this.originalLeft + 'px',
397 top: this.options.y * position + this.originalTop + 'px'
402 // for backwards compatibility
403 Effect.MoveBy = function(element, toTop, toLeft) {
404 return new Effect.Move(element,
405 Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
408 Effect.Scale = Class.create();
409 Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
410 initialize: function(element, percent) {
411 this.element = $(element)
412 var options = Object.extend({
416 scaleFromCenter: false,
417 scaleMode: 'box', // 'box' or 'contents' or {} with provided values
420 }, arguments[2] || {});
424 this.restoreAfterFinish = this.options.restoreAfterFinish || false;
425 this.elementPositioning = this.element.getStyle('position');
427 this.originalStyle = {};
428 ['top','left','width','height','fontSize'].each( function(k) {
429 this.originalStyle[k] = this.element.style[k];
432 this.originalTop = this.element.offsetTop;
433 this.originalLeft = this.element.offsetLeft;
435 var fontSize = this.element.getStyle('font-size') || '100%';
436 ['em','px','%'].each( function(fontSizeType) {
437 if(fontSize.indexOf(fontSizeType)>0) {
438 this.fontSize = parseFloat(fontSize);
439 this.fontSizeType = fontSizeType;
443 this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
446 if(this.options.scaleMode=='box')
447 this.dims = [this.element.offsetHeight, this.element.offsetWidth];
448 if(/^content/.test(this.options.scaleMode))
449 this.dims = [this.element.scrollHeight, this.element.scrollWidth];
451 this.dims = [this.options.scaleMode.originalHeight,
452 this.options.scaleMode.originalWidth];
454 update: function(position) {
455 var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
456 if(this.options.scaleContent && this.fontSize)
457 this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
458 this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
460 finish: function(position) {
461 if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
463 setDimensions: function(height, width) {
465 if(this.options.scaleX) d.width = width + 'px';
466 if(this.options.scaleY) d.height = height + 'px';
467 if(this.options.scaleFromCenter) {
468 var topd = (height - this.dims[0])/2;
469 var leftd = (width - this.dims[1])/2;
470 if(this.elementPositioning == 'absolute') {
471 if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
472 if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
474 if(this.options.scaleY) d.top = -topd + 'px';
475 if(this.options.scaleX) d.left = -leftd + 'px';
478 this.element.setStyle(d);
482 Effect.Highlight = Class.create();
483 Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
484 initialize: function(element) {
485 this.element = $(element);
486 var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
490 // Prevent executing on elements not in the layout flow
491 if(this.element.getStyle('display')=='none') { this.cancel(); return; }
492 // Disable background image during the effect
494 backgroundImage: this.element.getStyle('background-image') };
495 this.element.setStyle({backgroundImage: 'none'});
496 if(!this.options.endcolor)
497 this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
498 if(!this.options.restorecolor)
499 this.options.restorecolor = this.element.getStyle('background-color');
500 // init color calculations
501 this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
502 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));
504 update: function(position) {
505 this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
506 return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
509 this.element.setStyle(Object.extend(this.oldStyle, {
510 backgroundColor: this.options.restorecolor
515 Effect.ScrollTo = Class.create();
516 Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
517 initialize: function(element) {
518 this.element = $(element);
519 this.start(arguments[1] || {});
523 var offsets = Position.cumulativeOffset(this.element);
524 if(this.options.offset) offsets[1] += this.options.offset;
525 var max = window.innerHeight ?
526 window.height - window.innerHeight :
527 document.body.scrollHeight -
528 (document.documentElement.clientHeight ?
529 document.documentElement.clientHeight : document.body.clientHeight);
530 this.scrollStart = Position.deltaY;
531 this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
533 update: function(position) {
535 window.scrollTo(Position.deltaX,
536 this.scrollStart + (position*this.delta));
540 /* ------------- combination effects ------------- */
542 Effect.Fade = function(element) {
543 element = $(element);
544 var oldOpacity = element.getInlineOpacity();
545 var options = Object.extend({
546 from: element.getOpacity() || 1.0,
548 afterFinishInternal: function(effect) {
549 if(effect.options.to!=0) return;
550 effect.element.hide();
551 effect.element.setStyle({opacity: oldOpacity});
552 }}, arguments[1] || {});
553 return new Effect.Opacity(element,options);
556 Effect.Appear = function(element) {
557 element = $(element);
558 var options = Object.extend({
559 from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
561 // force Safari to render floated elements properly
562 afterFinishInternal: function(effect) {
563 effect.element.forceRerendering();
565 beforeSetup: function(effect) {
566 effect.element.setOpacity(effect.options.from);
567 effect.element.show();
568 }}, arguments[1] || {});
569 return new Effect.Opacity(element,options);
572 Effect.Puff = function(element) {
573 element = $(element);
574 var oldStyle = { opacity: element.getInlineOpacity(), position: element.getStyle('position') };
575 return new Effect.Parallel(
576 [ new Effect.Scale(element, 200,
577 { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
578 new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
579 Object.extend({ duration: 1.0,
580 beforeSetupInternal: function(effect) {
581 effect.effects[0].element.setStyle({position: 'absolute'}); },
582 afterFinishInternal: function(effect) {
583 effect.effects[0].element.hide();
584 effect.effects[0].element.setStyle(oldStyle); }
585 }, arguments[1] || {})
589 Effect.BlindUp = function(element) {
590 element = $(element);
591 element.makeClipping();
592 return new Effect.Scale(element, 0,
593 Object.extend({ scaleContent: false,
595 restoreAfterFinish: true,
596 afterFinishInternal: function(effect) {
597 effect.element.hide();
598 effect.element.undoClipping();
600 }, arguments[1] || {})
604 Effect.BlindDown = function(element) {
605 element = $(element);
606 var elementDimensions = element.getDimensions();
607 return new Effect.Scale(element, 100,
608 Object.extend({ scaleContent: false,
611 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
612 restoreAfterFinish: true,
613 afterSetup: function(effect) {
614 effect.element.makeClipping();
615 effect.element.setStyle({height: '0px'});
616 effect.element.show();
618 afterFinishInternal: function(effect) {
619 effect.element.undoClipping();
621 }, arguments[1] || {})
625 Effect.SwitchOff = function(element) {
626 element = $(element);
627 var oldOpacity = element.getInlineOpacity();
628 return new Effect.Appear(element, {
631 transition: Effect.Transitions.flicker,
632 afterFinishInternal: function(effect) {
633 new Effect.Scale(effect.element, 1, {
634 duration: 0.3, scaleFromCenter: true,
635 scaleX: false, scaleContent: false, restoreAfterFinish: true,
636 beforeSetup: function(effect) {
637 effect.element.makePositioned();
638 effect.element.makeClipping();
640 afterFinishInternal: function(effect) {
641 effect.element.hide();
642 effect.element.undoClipping();
643 effect.element.undoPositioned();
644 effect.element.setStyle({opacity: oldOpacity});
651 Effect.DropOut = function(element) {
652 element = $(element);
654 top: element.getStyle('top'),
655 left: element.getStyle('left'),
656 opacity: element.getInlineOpacity() };
657 return new Effect.Parallel(
658 [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
659 new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
662 beforeSetup: function(effect) {
663 effect.effects[0].element.makePositioned();
665 afterFinishInternal: function(effect) {
666 effect.effects[0].element.hide();
667 effect.effects[0].element.undoPositioned();
668 effect.effects[0].element.setStyle(oldStyle);
670 }, arguments[1] || {}));
673 Effect.Shake = function(element) {
674 element = $(element);
676 top: element.getStyle('top'),
677 left: element.getStyle('left') };
678 return new Effect.Move(element,
679 { x: 20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
680 new Effect.Move(effect.element,
681 { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
682 new Effect.Move(effect.element,
683 { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
684 new Effect.Move(effect.element,
685 { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
686 new Effect.Move(effect.element,
687 { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
688 new Effect.Move(effect.element,
689 { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
690 effect.element.undoPositioned();
691 effect.element.setStyle(oldStyle);
692 }}) }}) }}) }}) }}) }});
695 Effect.SlideDown = function(element) {
696 element = $(element);
697 element.cleanWhitespace();
698 // SlideDown need to have the content of the element wrapped in a container element with fixed height!
699 var oldInnerBottom = $(element.firstChild).getStyle('bottom');
700 var elementDimensions = element.getDimensions();
701 return new Effect.Scale(element, 100, Object.extend({
704 scaleFrom: window.opera ? 0 : 1,
705 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
706 restoreAfterFinish: true,
707 afterSetup: function(effect) {
708 effect.element.makePositioned();
709 effect.element.firstChild.makePositioned();
710 if(window.opera) effect.element.setStyle({top: ''});
711 effect.element.makeClipping();
712 effect.element.setStyle({height: '0px'});
713 effect.element.show(); },
714 afterUpdateInternal: function(effect) {
715 effect.element.firstChild.setStyle({bottom:
716 (effect.dims[0] - effect.element.clientHeight) + 'px' });
718 afterFinishInternal: function(effect) {
719 effect.element.undoClipping();
720 // IE will crash if child is undoPositioned first
721 if(/MSIE/.test(navigator.userAgent)){
722 effect.element.undoPositioned();
723 effect.element.firstChild.undoPositioned();
725 effect.element.firstChild.undoPositioned();
726 effect.element.undoPositioned();
728 effect.element.firstChild.setStyle({bottom: oldInnerBottom}); }
729 }, arguments[1] || {})
733 Effect.SlideUp = function(element) {
734 element = $(element);
735 element.cleanWhitespace();
736 var oldInnerBottom = $(element.firstChild).getStyle('bottom');
737 return new Effect.Scale(element, window.opera ? 0 : 1,
738 Object.extend({ scaleContent: false,
742 restoreAfterFinish: true,
743 beforeStartInternal: function(effect) {
744 effect.element.makePositioned();
745 effect.element.firstChild.makePositioned();
746 if(window.opera) effect.element.setStyle({top: ''});
747 effect.element.makeClipping();
748 effect.element.show(); },
749 afterUpdateInternal: function(effect) {
750 effect.element.firstChild.setStyle({bottom:
751 (effect.dims[0] - effect.element.clientHeight) + 'px' }); },
752 afterFinishInternal: function(effect) {
753 effect.element.hide();
754 effect.element.undoClipping();
755 effect.element.firstChild.undoPositioned();
756 effect.element.undoPositioned();
757 effect.element.setStyle({bottom: oldInnerBottom}); }
758 }, arguments[1] || {})
762 // Bug in opera makes the TD containing this element expand for a instance after finish
763 Effect.Squish = function(element) {
764 return new Effect.Scale(element, window.opera ? 1 : 0,
765 { restoreAfterFinish: true,
766 beforeSetup: function(effect) {
767 effect.element.makeClipping(effect.element); },
768 afterFinishInternal: function(effect) {
769 effect.element.hide(effect.element);
770 effect.element.undoClipping(effect.element); }
774 Effect.Grow = function(element) {
775 element = $(element);
776 var options = Object.extend({
778 moveTransition: Effect.Transitions.sinoidal,
779 scaleTransition: Effect.Transitions.sinoidal,
780 opacityTransition: Effect.Transitions.full
781 }, arguments[1] || {});
783 top: element.style.top,
784 left: element.style.left,
785 height: element.style.height,
786 width: element.style.width,
787 opacity: element.getInlineOpacity() };
789 var dims = element.getDimensions();
790 var initialMoveX, initialMoveY;
793 switch (options.direction) {
795 initialMoveX = initialMoveY = moveX = moveY = 0;
798 initialMoveX = dims.width;
799 initialMoveY = moveY = 0;
803 initialMoveX = moveX = 0;
804 initialMoveY = dims.height;
805 moveY = -dims.height;
808 initialMoveX = dims.width;
809 initialMoveY = dims.height;
811 moveY = -dims.height;
814 initialMoveX = dims.width / 2;
815 initialMoveY = dims.height / 2;
816 moveX = -dims.width / 2;
817 moveY = -dims.height / 2;
821 return new Effect.Move(element, {
825 beforeSetup: function(effect) {
826 effect.element.hide();
827 effect.element.makeClipping();
828 effect.element.makePositioned();
830 afterFinishInternal: function(effect) {
832 [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
833 new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
834 new Effect.Scale(effect.element, 100, {
835 scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
836 sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
838 beforeSetup: function(effect) {
839 effect.effects[0].element.setStyle({height: '0px'});
840 effect.effects[0].element.show();
842 afterFinishInternal: function(effect) {
843 effect.effects[0].element.undoClipping();
844 effect.effects[0].element.undoPositioned();
845 effect.effects[0].element.setStyle(oldStyle);
853 Effect.Shrink = function(element) {
854 element = $(element);
855 var options = Object.extend({
857 moveTransition: Effect.Transitions.sinoidal,
858 scaleTransition: Effect.Transitions.sinoidal,
859 opacityTransition: Effect.Transitions.none
860 }, arguments[1] || {});
862 top: element.style.top,
863 left: element.style.left,
864 height: element.style.height,
865 width: element.style.width,
866 opacity: element.getInlineOpacity() };
868 var dims = element.getDimensions();
871 switch (options.direction) {
888 moveX = dims.width / 2;
889 moveY = dims.height / 2;
893 return new Effect.Parallel(
894 [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
895 new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
896 new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
898 beforeStartInternal: function(effect) {
899 effect.effects[0].element.makePositioned();
900 effect.effects[0].element.makeClipping(); },
901 afterFinishInternal: function(effect) {
902 effect.effects[0].element.hide();
903 effect.effects[0].element.undoClipping();
904 effect.effects[0].element.undoPositioned();
905 effect.effects[0].element.setStyle(oldStyle); }
910 Effect.Pulsate = function(element) {
911 element = $(element);
912 var options = arguments[1] || {};
913 var oldOpacity = element.getInlineOpacity();
914 var transition = options.transition || Effect.Transitions.sinoidal;
915 var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
916 reverser.bind(transition);
917 return new Effect.Opacity(element,
918 Object.extend(Object.extend({ duration: 3.0, from: 0,
919 afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
920 }, options), {transition: reverser}));
923 Effect.Fold = function(element) {
924 element = $(element);
926 top: element.style.top,
927 left: element.style.left,
928 width: element.style.width,
929 height: element.style.height };
930 Element.makeClipping(element);
931 return new Effect.Scale(element, 5, Object.extend({
934 afterFinishInternal: function(effect) {
935 new Effect.Scale(element, 1, {
938 afterFinishInternal: function(effect) {
939 effect.element.hide();
940 effect.element.undoClipping();
941 effect.element.setStyle(oldStyle);
943 }}, arguments[1] || {}));
946 ['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
947 'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each(
948 function(f) { Element.Methods[f] = Element[f]; }
951 Element.Methods.visualEffect = function(element, effect, options) {
952 s = effect.gsub(/_/, '-').camelize();
953 effect_class = s.charAt(0).toUpperCase() + s.substring(1);
954 new Effect[effect_class](element, options);
958 Element.addMethods();