1 // script.aculo.us effects.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008
3 // Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
4 // Contributors:
5 // Justin Palmer (http://encytemedia.com/)
6 // Mark Pilgrim (http://diveintomark.org/)
7 // Martin Bialasinki
8 //
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() {
15 var color = '#';
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);
19 } else {
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();
23 }
24 }
25 return (color.length==7 ? color : (arguments[0] || this));
26 };
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('');
35 };
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('');
43 };
45 Element.setContentZoom = function(element, percent) {
46 element = $(element);
47 element.setStyle({fontSize: (percent/100) + 'em'});
48 if (Prototype.Browser.WebKit) window.scrollBy(0,0);
49 return element;
50 };
52 Element.getInlineOpacity = function(element){
53 return $(element).style.opacity || '';
54 };
56 Element.forceRerendering = function(element) {
57 try {
58 element = $(element);
59 var n = document.createTextNode(' ');
60 element.appendChild(n);
61 element.removeChild(n);
62 } catch(e) { }
63 };
65 /*--------------------------------------------------------------------------*/
67 var Effect = {
68 _elementDoesNotExistError: {
69 name: 'ElementDoesNotExistError',
70 message: 'The specified DOM element does not exist, but is required for this effect to operate'
71 },
72 Transitions: {
73 linear: Prototype.K,
74 sinoidal: function(pos) {
75 return (-Math.cos(pos*Math.PI)/2) + .5;
76 },
77 reverse: function(pos) {
78 return 1-pos;
79 },
80 flicker: function(pos) {
81 var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
82 return pos > 1 ? 1 : pos;
83 },
84 wobble: function(pos) {
85 return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
86 },
87 pulse: function(pos, pulses) {
88 return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
89 },
90 spring: function(pos) {
91 return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
92 },
93 none: function(pos) {
94 return 0;
95 },
96 full: function(pos) {
97 return 1;
98 }
99 },
100 DefaultOptions: {
101 duration: 1.0, // seconds
102 fps: 100, // 100= assume 66fps max.
103 sync: false, // true for combining
104 from: 0.0,
105 to: 1.0,
106 delay: 0.0,
107 queue: 'parallel'
108 },
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),
120 child);
121 });
122 Element.remove(child);
123 }
124 });
125 },
126 multiple: function(element, effect) {
127 var elements;
128 if (((typeof element == 'object') ||
129 Object.isFunction(element)) &&
130 (element.length))
131 elements = element;
132 else
133 elements = $(element).childNodes;
135 var options = Object.extend({
136 speed: 0.1,
137 delay: 0.0
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 }));
143 });
144 },
145 PAIRS: {
146 'slide': ['SlideDown','SlideUp'],
147 'blind': ['BlindDown','BlindUp'],
148 'appear': ['Appear','Fade']
149 },
150 toggle: function(element, effect) {
151 element = $(element);
152 effect = (effect || 'appear').toLowerCase();
153 var options = Object.extend({
154 queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
155 }, arguments[2] || { });
156 Effect[element.visible() ?
157 Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
158 }
159 };
161 Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
163 /* ------------- core effects ------------- */
165 Effect.ScopedQueue = Class.create(Enumerable, {
166 initialize: function() {
167 this.effects = [];
168 this.interval = null;
169 },
170 _each: function(iterator) {
171 this.effects._each(iterator);
172 },
173 add: function(effect) {
174 var timestamp = new Date().getTime();
176 var position = Object.isString(effect.options.queue) ?
177 effect.options.queue : effect.options.queue.position;
179 switch(position) {
180 case 'front':
181 // move unstarted effects after this effect
182 this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
183 e.startOn += effect.finishOn;
184 e.finishOn += effect.finishOn;
185 });
186 break;
187 case 'with-last':
188 timestamp = this.effects.pluck('startOn').max() || timestamp;
189 break;
190 case 'end':
191 // start effect after last queued effect has finished
192 timestamp = this.effects.pluck('finishOn').max() || timestamp;
193 break;
194 }
196 effect.startOn += timestamp;
197 effect.finishOn += timestamp;
199 if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
200 this.effects.push(effect);
202 if (!this.interval)
203 this.interval = setInterval(this.loop.bind(this), 15);
204 },
205 remove: function(effect) {
206 this.effects = this.effects.reject(function(e) { return e==effect });
207 if (this.effects.length == 0) {
208 clearInterval(this.interval);
209 this.interval = null;
210 }
211 },
212 loop: function() {
213 var timePos = new Date().getTime();
214 for(var i=0, len=this.effects.length;i<len;i++)
215 this.effects[i] && this.effects[i].loop(timePos);
216 }
217 });
219 Effect.Queues = {
220 instances: $H(),
221 get: function(queueName) {
222 if (!Object.isString(queueName)) return queueName;
224 return this.instances.get(queueName) ||
225 this.instances.set(queueName, new Effect.ScopedQueue());
226 }
227 };
228 Effect.Queue = Effect.Queues.get('global');
230 Effect.Base = Class.create({
231 position: null,
232 start: function(options) {
233 function codeForEvent(options,eventName){
234 return (
235 (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
236 (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
237 );
238 }
239 if (options && options.transition === false) options.transition = Effect.Transitions.linear;
240 this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
241 this.currentFrame = 0;
242 this.state = 'idle';
243 this.startOn = this.options.delay*1000;
244 this.finishOn = this.startOn+(this.options.duration*1000);
245 this.fromToDelta = this.options.to-this.options.from;
246 this.totalTime = this.finishOn-this.startOn;
247 this.totalFrames = this.options.fps*this.options.duration;
249 this.render = (function() {
250 function dispatch(effect, eventName) {
251 if (effect.options[eventName + 'Internal'])
252 effect.options[eventName + 'Internal'](effect);
253 if (effect.options[eventName])
254 effect.options[eventName](effect);
255 }
257 return function(pos) {
258 if (this.state === "idle") {
259 this.state = "running";
260 dispatch(this, 'beforeSetup');
261 if (this.setup) this.setup();
262 dispatch(this, 'afterSetup');
263 }
264 if (this.state === "running") {
265 pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
266 this.position = pos;
267 dispatch(this, 'beforeUpdate');
268 if (this.update) this.update(pos);
269 dispatch(this, 'afterUpdate');
270 }
271 };
272 })();
274 this.event('beforeStart');
275 if (!this.options.sync)
276 Effect.Queues.get(Object.isString(this.options.queue) ?
277 'global' : this.options.queue.scope).add(this);
278 },
279 loop: function(timePos) {
280 if (timePos >= this.startOn) {
281 if (timePos >= this.finishOn) {
282 this.render(1.0);
283 this.cancel();
284 this.event('beforeFinish');
285 if (this.finish) this.finish();
286 this.event('afterFinish');
287 return;
288 }
289 var pos = (timePos - this.startOn) / this.totalTime,
290 frame = (pos * this.totalFrames).round();
291 if (frame > this.currentFrame) {
292 this.render(pos);
293 this.currentFrame = frame;
294 }
295 }
296 },
297 cancel: function() {
298 if (!this.options.sync)
299 Effect.Queues.get(Object.isString(this.options.queue) ?
300 'global' : this.options.queue.scope).remove(this);
301 this.state = 'finished';
302 },
303 event: function(eventName) {
304 if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
305 if (this.options[eventName]) this.options[eventName](this);
306 },
307 inspect: function() {
308 var data = $H();
309 for(property in this)
310 if (!Object.isFunction(this[property])) data.set(property, this[property]);
311 return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
312 }
313 });
315 Effect.Parallel = Class.create(Effect.Base, {
316 initialize: function(effects) {
317 this.effects = effects || [];
318 this.start(arguments[1]);
319 },
320 update: function(position) {
321 this.effects.invoke('render', position);
322 },
323 finish: function(position) {
324 this.effects.each( function(effect) {
325 effect.render(1.0);
326 effect.cancel();
327 effect.event('beforeFinish');
328 if (effect.finish) effect.finish(position);
329 effect.event('afterFinish');
330 });
331 }
332 });
334 Effect.Tween = Class.create(Effect.Base, {
335 initialize: function(object, from, to) {
336 object = Object.isString(object) ? $(object) : object;
337 var args = $A(arguments), method = args.last(),
338 options = args.length == 5 ? args[3] : null;
339 this.method = Object.isFunction(method) ? method.bind(object) :
340 Object.isFunction(object[method]) ? object[method].bind(object) :
341 function(value) { object[method] = value };
342 this.start(Object.extend({ from: from, to: to }, options || { }));
343 },
344 update: function(position) {
345 this.method(position);
346 }
347 });
349 Effect.Event = Class.create(Effect.Base, {
350 initialize: function() {
351 this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
352 },
353 update: Prototype.emptyFunction
354 });
356 Effect.Opacity = Class.create(Effect.Base, {
357 initialize: function(element) {
358 this.element = $(element);
359 if (!this.element) throw(Effect._elementDoesNotExistError);
360 // make this work on IE on elements without 'layout'
361 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
362 this.element.setStyle({zoom: 1});
363 var options = Object.extend({
364 from: this.element.getOpacity() || 0.0,
365 to: 1.0
366 }, arguments[1] || { });
367 this.start(options);
368 },
369 update: function(position) {
370 this.element.setOpacity(position);
371 }
372 });
374 Effect.Move = Class.create(Effect.Base, {
375 initialize: function(element) {
376 this.element = $(element);
377 if (!this.element) throw(Effect._elementDoesNotExistError);
378 var options = Object.extend({
379 x: 0,
380 y: 0,
381 mode: 'relative'
382 }, arguments[1] || { });
383 this.start(options);
384 },
385 setup: function() {
386 this.element.makePositioned();
387 this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
388 this.originalTop = parseFloat(this.element.getStyle('top') || '0');
389 if (this.options.mode == 'absolute') {
390 this.options.x = this.options.x - this.originalLeft;
391 this.options.y = this.options.y - this.originalTop;
392 }
393 },
394 update: function(position) {
395 this.element.setStyle({
396 left: (this.options.x * position + this.originalLeft).round() + 'px',
397 top: (this.options.y * position + this.originalTop).round() + 'px'
398 });
399 }
400 });
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] || { }));
406 };
408 Effect.Scale = Class.create(Effect.Base, {
409 initialize: function(element, percent) {
410 this.element = $(element);
411 if (!this.element) throw(Effect._elementDoesNotExistError);
412 var options = Object.extend({
413 scaleX: true,
414 scaleY: true,
415 scaleContent: true,
416 scaleFromCenter: false,
417 scaleMode: 'box', // 'box' or 'contents' or { } with provided values
418 scaleFrom: 100.0,
419 scaleTo: percent
420 }, arguments[2] || { });
421 this.start(options);
422 },
423 setup: function() {
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];
430 }.bind(this));
432 this.originalTop = this.element.offsetTop;
433 this.originalLeft = this.element.offsetLeft;
435 var fontSize = this.element.getStyle('font-size') || '100%';
436 ['em','px','%','pt'].each( function(fontSizeType) {
437 if (fontSize.indexOf(fontSizeType)>0) {
438 this.fontSize = parseFloat(fontSize);
439 this.fontSizeType = fontSizeType;
440 }
441 }.bind(this));
443 this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
445 this.dims = null;
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];
450 if (!this.dims)
451 this.dims = [this.options.scaleMode.originalHeight,
452 this.options.scaleMode.originalWidth];
453 },
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);
459 },
460 finish: function(position) {
461 if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
462 },
463 setDimensions: function(height, width) {
464 var d = { };
465 if (this.options.scaleX) d.width = width.round() + 'px';
466 if (this.options.scaleY) d.height = height.round() + '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';
473 } else {
474 if (this.options.scaleY) d.top = -topd + 'px';
475 if (this.options.scaleX) d.left = -leftd + 'px';
476 }
477 }
478 this.element.setStyle(d);
479 }
480 });
482 Effect.Highlight = Class.create(Effect.Base, {
483 initialize: function(element) {
484 this.element = $(element);
485 if (!this.element) throw(Effect._elementDoesNotExistError);
486 var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
487 this.start(options);
488 },
489 setup: function() {
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
493 this.oldStyle = { };
494 if (!this.options.keepBackgroundImage) {
495 this.oldStyle.backgroundImage = this.element.getStyle('background-image');
496 this.element.setStyle({backgroundImage: 'none'});
497 }
498 if (!this.options.endcolor)
499 this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
500 if (!this.options.restorecolor)
501 this.options.restorecolor = this.element.getStyle('background-color');
502 // init color calculations
503 this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
504 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));
505 },
506 update: function(position) {
507 this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
508 return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
509 },
510 finish: function() {
511 this.element.setStyle(Object.extend(this.oldStyle, {
512 backgroundColor: this.options.restorecolor
513 }));
514 }
515 });
517 Effect.ScrollTo = function(element) {
518 var options = arguments[1] || { },
519 scrollOffsets = document.viewport.getScrollOffsets(),
520 elementOffsets = $(element).cumulativeOffset();
522 if (options.offset) elementOffsets[1] += options.offset;
524 return new Effect.Tween(null,
525 scrollOffsets.top,
526 elementOffsets[1],
527 options,
528 function(p){ scrollTo(scrollOffsets.left, p.round()); }
529 );
530 };
532 /* ------------- combination effects ------------- */
534 Effect.Fade = function(element) {
535 element = $(element);
536 var oldOpacity = element.getInlineOpacity();
537 var options = Object.extend({
538 from: element.getOpacity() || 1.0,
539 to: 0.0,
540 afterFinishInternal: function(effect) {
541 if (effect.options.to!=0) return;
542 effect.element.hide().setStyle({opacity: oldOpacity});
543 }
544 }, arguments[1] || { });
545 return new Effect.Opacity(element,options);
546 };
548 Effect.Appear = function(element) {
549 element = $(element);
550 var options = Object.extend({
551 from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
552 to: 1.0,
553 // force Safari to render floated elements properly
554 afterFinishInternal: function(effect) {
555 effect.element.forceRerendering();
556 },
557 beforeSetup: function(effect) {
558 effect.element.setOpacity(effect.options.from).show();
559 }}, arguments[1] || { });
560 return new Effect.Opacity(element,options);
561 };
563 Effect.Puff = function(element) {
564 element = $(element);
565 var oldStyle = {
566 opacity: element.getInlineOpacity(),
567 position: element.getStyle('position'),
568 top: element.style.top,
569 left: element.style.left,
570 width: element.style.width,
571 height: element.style.height
572 };
573 return new Effect.Parallel(
574 [ new Effect.Scale(element, 200,
575 { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
576 new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
577 Object.extend({ duration: 1.0,
578 beforeSetupInternal: function(effect) {
579 Position.absolutize(effect.effects[0].element);
580 },
581 afterFinishInternal: function(effect) {
582 effect.effects[0].element.hide().setStyle(oldStyle); }
583 }, arguments[1] || { })
584 );
585 };
587 Effect.BlindUp = function(element) {
588 element = $(element);
589 element.makeClipping();
590 return new Effect.Scale(element, 0,
591 Object.extend({ scaleContent: false,
592 scaleX: false,
593 restoreAfterFinish: true,
594 afterFinishInternal: function(effect) {
595 effect.element.hide().undoClipping();
596 }
597 }, arguments[1] || { })
598 );
599 };
601 Effect.BlindDown = function(element) {
602 element = $(element);
603 var elementDimensions = element.getDimensions();
604 return new Effect.Scale(element, 100, Object.extend({
605 scaleContent: false,
606 scaleX: false,
607 scaleFrom: 0,
608 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
609 restoreAfterFinish: true,
610 afterSetup: function(effect) {
611 effect.element.makeClipping().setStyle({height: '0px'}).show();
612 },
613 afterFinishInternal: function(effect) {
614 effect.element.undoClipping();
615 }
616 }, arguments[1] || { }));
617 };
619 Effect.SwitchOff = function(element) {
620 element = $(element);
621 var oldOpacity = element.getInlineOpacity();
622 return new Effect.Appear(element, Object.extend({
623 duration: 0.4,
624 from: 0,
625 transition: Effect.Transitions.flicker,
626 afterFinishInternal: function(effect) {
627 new Effect.Scale(effect.element, 1, {
628 duration: 0.3, scaleFromCenter: true,
629 scaleX: false, scaleContent: false, restoreAfterFinish: true,
630 beforeSetup: function(effect) {
631 effect.element.makePositioned().makeClipping();
632 },
633 afterFinishInternal: function(effect) {
634 effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
635 }
636 });
637 }
638 }, arguments[1] || { }));
639 };
641 Effect.DropOut = function(element) {
642 element = $(element);
643 var oldStyle = {
644 top: element.getStyle('top'),
645 left: element.getStyle('left'),
646 opacity: element.getInlineOpacity() };
647 return new Effect.Parallel(
648 [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
649 new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
650 Object.extend(
651 { duration: 0.5,
652 beforeSetup: function(effect) {
653 effect.effects[0].element.makePositioned();
654 },
655 afterFinishInternal: function(effect) {
656 effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
657 }
658 }, arguments[1] || { }));
659 };
661 Effect.Shake = function(element) {
662 element = $(element);
663 var options = Object.extend({
664 distance: 20,
665 duration: 0.5
666 }, arguments[1] || {});
667 var distance = parseFloat(options.distance);
668 var split = parseFloat(options.duration) / 10.0;
669 var oldStyle = {
670 top: element.getStyle('top'),
671 left: element.getStyle('left') };
672 return new Effect.Move(element,
673 { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) {
674 new Effect.Move(effect.element,
675 { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
676 new Effect.Move(effect.element,
677 { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
678 new Effect.Move(effect.element,
679 { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
680 new Effect.Move(effect.element,
681 { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
682 new Effect.Move(effect.element,
683 { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
684 effect.element.undoPositioned().setStyle(oldStyle);
685 }}); }}); }}); }}); }}); }});
686 };
688 Effect.SlideDown = function(element) {
689 element = $(element).cleanWhitespace();
690 // SlideDown need to have the content of the element wrapped in a container element with fixed height!
691 var oldInnerBottom = element.down().getStyle('bottom');
692 var elementDimensions = element.getDimensions();
693 return new Effect.Scale(element, 100, Object.extend({
694 scaleContent: false,
695 scaleX: false,
696 scaleFrom: window.opera ? 0 : 1,
697 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
698 restoreAfterFinish: true,
699 afterSetup: function(effect) {
700 effect.element.makePositioned();
701 effect.element.down().makePositioned();
702 if (window.opera) effect.element.setStyle({top: ''});
703 effect.element.makeClipping().setStyle({height: '0px'}).show();
704 },
705 afterUpdateInternal: function(effect) {
706 effect.element.down().setStyle({bottom:
707 (effect.dims[0] - effect.element.clientHeight) + 'px' });
708 },
709 afterFinishInternal: function(effect) {
710 effect.element.undoClipping().undoPositioned();
711 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
712 }, arguments[1] || { })
713 );
714 };
716 Effect.SlideUp = function(element) {
717 element = $(element).cleanWhitespace();
718 var oldInnerBottom = element.down().getStyle('bottom');
719 var elementDimensions = element.getDimensions();
720 return new Effect.Scale(element, window.opera ? 0 : 1,
721 Object.extend({ scaleContent: false,
722 scaleX: false,
723 scaleMode: 'box',
724 scaleFrom: 100,
725 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
726 restoreAfterFinish: true,
727 afterSetup: function(effect) {
728 effect.element.makePositioned();
729 effect.element.down().makePositioned();
730 if (window.opera) effect.element.setStyle({top: ''});
731 effect.element.makeClipping().show();
732 },
733 afterUpdateInternal: function(effect) {
734 effect.element.down().setStyle({bottom:
735 (effect.dims[0] - effect.element.clientHeight) + 'px' });
736 },
737 afterFinishInternal: function(effect) {
738 effect.element.hide().undoClipping().undoPositioned();
739 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
740 }
741 }, arguments[1] || { })
742 );
743 };
745 // Bug in opera makes the TD containing this element expand for a instance after finish
746 Effect.Squish = function(element) {
747 return new Effect.Scale(element, window.opera ? 1 : 0, {
748 restoreAfterFinish: true,
749 beforeSetup: function(effect) {
750 effect.element.makeClipping();
751 },
752 afterFinishInternal: function(effect) {
753 effect.element.hide().undoClipping();
754 }
755 });
756 };
758 Effect.Grow = function(element) {
759 element = $(element);
760 var options = Object.extend({
761 direction: 'center',
762 moveTransition: Effect.Transitions.sinoidal,
763 scaleTransition: Effect.Transitions.sinoidal,
764 opacityTransition: Effect.Transitions.full
765 }, arguments[1] || { });
766 var oldStyle = {
767 top: element.style.top,
768 left: element.style.left,
769 height: element.style.height,
770 width: element.style.width,
771 opacity: element.getInlineOpacity() };
773 var dims = element.getDimensions();
774 var initialMoveX, initialMoveY;
775 var moveX, moveY;
777 switch (options.direction) {
778 case 'top-left':
779 initialMoveX = initialMoveY = moveX = moveY = 0;
780 break;
781 case 'top-right':
782 initialMoveX = dims.width;
783 initialMoveY = moveY = 0;
784 moveX = -dims.width;
785 break;
786 case 'bottom-left':
787 initialMoveX = moveX = 0;
788 initialMoveY = dims.height;
789 moveY = -dims.height;
790 break;
791 case 'bottom-right':
792 initialMoveX = dims.width;
793 initialMoveY = dims.height;
794 moveX = -dims.width;
795 moveY = -dims.height;
796 break;
797 case 'center':
798 initialMoveX = dims.width / 2;
799 initialMoveY = dims.height / 2;
800 moveX = -dims.width / 2;
801 moveY = -dims.height / 2;
802 break;
803 }
805 return new Effect.Move(element, {
806 x: initialMoveX,
807 y: initialMoveY,
808 duration: 0.01,
809 beforeSetup: function(effect) {
810 effect.element.hide().makeClipping().makePositioned();
811 },
812 afterFinishInternal: function(effect) {
813 new Effect.Parallel(
814 [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
815 new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
816 new Effect.Scale(effect.element, 100, {
817 scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
818 sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
819 ], Object.extend({
820 beforeSetup: function(effect) {
821 effect.effects[0].element.setStyle({height: '0px'}).show();
822 },
823 afterFinishInternal: function(effect) {
824 effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
825 }
826 }, options)
827 );
828 }
829 });
830 };
832 Effect.Shrink = function(element) {
833 element = $(element);
834 var options = Object.extend({
835 direction: 'center',
836 moveTransition: Effect.Transitions.sinoidal,
837 scaleTransition: Effect.Transitions.sinoidal,
838 opacityTransition: Effect.Transitions.none
839 }, arguments[1] || { });
840 var oldStyle = {
841 top: element.style.top,
842 left: element.style.left,
843 height: element.style.height,
844 width: element.style.width,
845 opacity: element.getInlineOpacity() };
847 var dims = element.getDimensions();
848 var moveX, moveY;
850 switch (options.direction) {
851 case 'top-left':
852 moveX = moveY = 0;
853 break;
854 case 'top-right':
855 moveX = dims.width;
856 moveY = 0;
857 break;
858 case 'bottom-left':
859 moveX = 0;
860 moveY = dims.height;
861 break;
862 case 'bottom-right':
863 moveX = dims.width;
864 moveY = dims.height;
865 break;
866 case 'center':
867 moveX = dims.width / 2;
868 moveY = dims.height / 2;
869 break;
870 }
872 return new Effect.Parallel(
873 [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
874 new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
875 new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
876 ], Object.extend({
877 beforeStartInternal: function(effect) {
878 effect.effects[0].element.makePositioned().makeClipping();
879 },
880 afterFinishInternal: function(effect) {
881 effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
882 }, options)
883 );
884 };
886 Effect.Pulsate = function(element) {
887 element = $(element);
888 var options = arguments[1] || { },
889 oldOpacity = element.getInlineOpacity(),
890 transition = options.transition || Effect.Transitions.linear,
891 reverser = function(pos){
892 return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
893 };
895 return new Effect.Opacity(element,
896 Object.extend(Object.extend({ duration: 2.0, from: 0,
897 afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
898 }, options), {transition: reverser}));
899 };
901 Effect.Fold = function(element) {
902 element = $(element);
903 var oldStyle = {
904 top: element.style.top,
905 left: element.style.left,
906 width: element.style.width,
907 height: element.style.height };
908 element.makeClipping();
909 return new Effect.Scale(element, 5, Object.extend({
910 scaleContent: false,
911 scaleX: false,
912 afterFinishInternal: function(effect) {
913 new Effect.Scale(element, 1, {
914 scaleContent: false,
915 scaleY: false,
916 afterFinishInternal: function(effect) {
917 effect.element.hide().undoClipping().setStyle(oldStyle);
918 } });
919 }}, arguments[1] || { }));
920 };
922 Effect.Morph = Class.create(Effect.Base, {
923 initialize: function(element) {
924 this.element = $(element);
925 if (!this.element) throw(Effect._elementDoesNotExistError);
926 var options = Object.extend({
927 style: { }
928 }, arguments[1] || { });
930 if (!Object.isString(options.style)) this.style = $H(options.style);
931 else {
932 if (options.style.include(':'))
933 this.style = options.style.parseStyle();
934 else {
935 this.element.addClassName(options.style);
936 this.style = $H(this.element.getStyles());
937 this.element.removeClassName(options.style);
938 var css = this.element.getStyles();
939 this.style = this.style.reject(function(style) {
940 return style.value == css[style.key];
941 });
942 options.afterFinishInternal = function(effect) {
943 effect.element.addClassName(effect.options.style);
944 effect.transforms.each(function(transform) {
945 effect.element.style[transform.style] = '';
946 });
947 };
948 }
949 }
950 this.start(options);
951 },
953 setup: function(){
954 function parseColor(color){
955 if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
956 color = color.parseColor();
957 return $R(0,2).map(function(i){
958 return parseInt( color.slice(i*2+1,i*2+3), 16 );
959 });
960 }
961 this.transforms = this.style.map(function(pair){
962 var property = pair[0], value = pair[1], unit = null;
964 if (value.parseColor('#zzzzzz') != '#zzzzzz') {
965 value = value.parseColor();
966 unit = 'color';
967 } else if (property == 'opacity') {
968 value = parseFloat(value);
969 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
970 this.element.setStyle({zoom: 1});
971 } else if (Element.CSS_LENGTH.test(value)) {
972 var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
973 value = parseFloat(components[1]);
974 unit = (components.length == 3) ? components[2] : null;
975 }
977 var originalValue = this.element.getStyle(property);
978 return {
979 style: property.camelize(),
980 originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
981 targetValue: unit=='color' ? parseColor(value) : value,
982 unit: unit
983 };
984 }.bind(this)).reject(function(transform){
985 return (
986 (transform.originalValue == transform.targetValue) ||
987 (
988 transform.unit != 'color' &&
989 (isNaN(transform.originalValue) || isNaN(transform.targetValue))
990 )
991 );
992 });
993 },
994 update: function(position) {
995 var style = { }, transform, i = this.transforms.length;
996 while(i--)
997 style[(transform = this.transforms[i]).style] =
998 transform.unit=='color' ? '#'+
999 (Math.round(transform.originalValue[0]+
1000 (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
1001 (Math.round(transform.originalValue[1]+
1002 (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
1003 (Math.round(transform.originalValue[2]+
1004 (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
1005 (transform.originalValue +
1006 (transform.targetValue - transform.originalValue) * position).toFixed(3) +
1007 (transform.unit === null ? '' : transform.unit);
1008 this.element.setStyle(style, true);
1009 }
1010 });
1012 Effect.Transform = Class.create({
1013 initialize: function(tracks){
1014 this.tracks = [];
1015 this.options = arguments[1] || { };
1016 this.addTracks(tracks);
1017 },
1018 addTracks: function(tracks){
1019 tracks.each(function(track){
1020 track = $H(track);
1021 var data = track.values().first();
1022 this.tracks.push($H({
1023 ids: track.keys().first(),
1024 effect: Effect.Morph,
1025 options: { style: data }
1026 }));
1027 }.bind(this));
1028 return this;
1029 },
1030 play: function(){
1031 return new Effect.Parallel(
1032 this.tracks.map(function(track){
1033 var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
1034 var elements = [$(ids) || $$(ids)].flatten();
1035 return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
1036 }).flatten(),
1037 this.options
1038 );
1039 }
1040 });
1042 Element.CSS_PROPERTIES = $w(
1043 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
1044 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
1045 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
1046 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
1047 'fontSize fontWeight height left letterSpacing lineHeight ' +
1048 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
1049 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
1050 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
1051 'right textIndent top width wordSpacing zIndex');
1053 Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
1055 String.__parseStyleElement = document.createElement('div');
1056 String.prototype.parseStyle = function(){
1057 var style, styleRules = $H();
1058 if (Prototype.Browser.WebKit)
1059 style = new Element('div',{style:this}).style;
1060 else {
1061 String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
1062 style = String.__parseStyleElement.childNodes[0].style;
1063 }
1065 Element.CSS_PROPERTIES.each(function(property){
1066 if (style[property]) styleRules.set(property, style[property]);
1067 });
1069 if (Prototype.Browser.IE && this.include('opacity'))
1070 styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
1072 return styleRules;
1073 };
1075 if (document.defaultView && document.defaultView.getComputedStyle) {
1076 Element.getStyles = function(element) {
1077 var css = document.defaultView.getComputedStyle($(element), null);
1078 return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
1079 styles[property] = css[property];
1080 return styles;
1081 });
1082 };
1083 } else {
1084 Element.getStyles = function(element) {
1085 element = $(element);
1086 var css = element.currentStyle, styles;
1087 styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
1088 results[property] = css[property];
1089 return results;
1090 });
1091 if (!styles.opacity) styles.opacity = element.getOpacity();
1092 return styles;
1093 };
1094 }
1096 Effect.Methods = {
1097 morph: function(element, style) {
1098 element = $(element);
1099 new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
1100 return element;
1101 },
1102 visualEffect: function(element, effect, options) {
1103 element = $(element);
1104 var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
1105 new Effect[klass](element, options);
1106 return element;
1107 },
1108 highlight: function(element, options) {
1109 element = $(element);
1110 new Effect.Highlight(element, options);
1111 return element;
1112 }
1113 };
1115 $w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
1116 'pulsate shake puff squish switchOff dropOut').each(
1117 function(effect) {
1118 Effect.Methods[effect] = function(element, options){
1119 element = $(element);
1120 Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
1121 return element;
1122 };
1123 }
1124 );
1126 $w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
1127 function(f) { Effect.Methods[f] = Element[f]; }
1128 );
1130 Element.addMethods(Effect.Methods);