source: ruby/branches/0.5/public/javascripts/effects.js@ 169

Last change on this file since 169 was 169, checked in by KOBAYASHI, Shinji, 15 years ago

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1// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
2// Contributors:
3// Justin Palmer (http://encytemedia.com/)
4// Mark Pilgrim (http://diveintomark.org/)
5// Martin Bialasinki
6//
7// script.aculo.us is freely distributable under the terms of an MIT-style license.
8// For details, see the script.aculo.us web site: http://script.aculo.us/
9
10// converts rgb() and #xxx to #xxxxxx format,
11// returns self (or first argument) if not convertable
12String.prototype.parseColor = function() {
13 var color = '#';
14 if (this.slice(0,4) == 'rgb(') {
15 var cols = this.slice(4,this.length-1).split(',');
16 var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
17 } else {
18 if (this.slice(0,1) == '#') {
19 if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
20 if (this.length==7) color = this.toLowerCase();
21 }
22 }
23 return (color.length==7 ? color : (arguments[0] || this));
24};
25
26/*--------------------------------------------------------------------------*/
27
28Element.collectTextNodes = function(element) {
29 return $A($(element).childNodes).collect( function(node) {
30 return (node.nodeType==3 ? node.nodeValue :
31 (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
32 }).flatten().join('');
33};
34
35Element.collectTextNodesIgnoreClass = function(element, className) {
36 return $A($(element).childNodes).collect( function(node) {
37 return (node.nodeType==3 ? node.nodeValue :
38 ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
39 Element.collectTextNodesIgnoreClass(node, className) : ''));
40 }).flatten().join('');
41};
42
43Element.setContentZoom = function(element, percent) {
44 element = $(element);
45 element.setStyle({fontSize: (percent/100) + 'em'});
46 if (Prototype.Browser.WebKit) window.scrollBy(0,0);
47 return element;
48};
49
50Element.getInlineOpacity = function(element){
51 return $(element).style.opacity || '';
52};
53
54Element.forceRerendering = function(element) {
55 try {
56 element = $(element);
57 var n = document.createTextNode(' ');
58 element.appendChild(n);
59 element.removeChild(n);
60 } catch(e) { }
61};
62
63/*--------------------------------------------------------------------------*/
64
65var Effect = {
66 _elementDoesNotExistError: {
67 name: 'ElementDoesNotExistError',
68 message: 'The specified DOM element does not exist, but is required for this effect to operate'
69 },
70 Transitions: {
71 linear: Prototype.K,
72 sinoidal: function(pos) {
73 return (-Math.cos(pos*Math.PI)/2) + .5;
74 },
75 reverse: function(pos) {
76 return 1-pos;
77 },
78 flicker: function(pos) {
79 var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
80 return pos > 1 ? 1 : pos;
81 },
82 wobble: function(pos) {
83 return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
84 },
85 pulse: function(pos, pulses) {
86 return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
87 },
88 spring: function(pos) {
89 return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
90 },
91 none: function(pos) {
92 return 0;
93 },
94 full: function(pos) {
95 return 1;
96 }
97 },
98 DefaultOptions: {
99 duration: 1.0, // seconds
100 fps: 100, // 100= assume 66fps max.
101 sync: false, // true for combining
102 from: 0.0,
103 to: 1.0,
104 delay: 0.0,
105 queue: 'parallel'
106 },
107 tagifyText: function(element) {
108 var tagifyStyle = 'position:relative';
109 if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
110
111 element = $(element);
112 $A(element.childNodes).each( function(child) {
113 if (child.nodeType==3) {
114 child.nodeValue.toArray().each( function(character) {
115 element.insertBefore(
116 new Element('span', {style: tagifyStyle}).update(
117 character == ' ' ? String.fromCharCode(160) : character),
118 child);
119 });
120 Element.remove(child);
121 }
122 });
123 },
124 multiple: function(element, effect) {
125 var elements;
126 if (((typeof element == 'object') ||
127 Object.isFunction(element)) &&
128 (element.length))
129 elements = element;
130 else
131 elements = $(element).childNodes;
132
133 var options = Object.extend({
134 speed: 0.1,
135 delay: 0.0
136 }, arguments[2] || { });
137 var masterDelay = options.delay;
138
139 $A(elements).each( function(element, index) {
140 new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
141 });
142 },
143 PAIRS: {
144 'slide': ['SlideDown','SlideUp'],
145 'blind': ['BlindDown','BlindUp'],
146 'appear': ['Appear','Fade']
147 },
148 toggle: function(element, effect) {
149 element = $(element);
150 effect = (effect || 'appear').toLowerCase();
151 var options = Object.extend({
152 queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
153 }, arguments[2] || { });
154 Effect[element.visible() ?
155 Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
156 }
157};
158
159Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
160
161/* ------------- core effects ------------- */
162
163Effect.ScopedQueue = Class.create(Enumerable, {
164 initialize: function() {
165 this.effects = [];
166 this.interval = null;
167 },
168 _each: function(iterator) {
169 this.effects._each(iterator);
170 },
171 add: function(effect) {
172 var timestamp = new Date().getTime();
173
174 var position = Object.isString(effect.options.queue) ?
175 effect.options.queue : effect.options.queue.position;
176
177 switch(position) {
178 case 'front':
179 // move unstarted effects after this effect
180 this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
181 e.startOn += effect.finishOn;
182 e.finishOn += effect.finishOn;
183 });
184 break;
185 case 'with-last':
186 timestamp = this.effects.pluck('startOn').max() || timestamp;
187 break;
188 case 'end':
189 // start effect after last queued effect has finished
190 timestamp = this.effects.pluck('finishOn').max() || timestamp;
191 break;
192 }
193
194 effect.startOn += timestamp;
195 effect.finishOn += timestamp;
196
197 if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
198 this.effects.push(effect);
199
200 if (!this.interval)
201 this.interval = setInterval(this.loop.bind(this), 15);
202 },
203 remove: function(effect) {
204 this.effects = this.effects.reject(function(e) { return e==effect });
205 if (this.effects.length == 0) {
206 clearInterval(this.interval);
207 this.interval = null;
208 }
209 },
210 loop: function() {
211 var timePos = new Date().getTime();
212 for(var i=0, len=this.effects.length;i<len;i++)
213 this.effects[i] && this.effects[i].loop(timePos);
214 }
215});
216
217Effect.Queues = {
218 instances: $H(),
219 get: function(queueName) {
220 if (!Object.isString(queueName)) return queueName;
221
222 return this.instances.get(queueName) ||
223 this.instances.set(queueName, new Effect.ScopedQueue());
224 }
225};
226Effect.Queue = Effect.Queues.get('global');
227
228Effect.Base = Class.create({
229 position: null,
230 start: function(options) {
231 function codeForEvent(options,eventName){
232 return (
233 (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
234 (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
235 );
236 }
237 if (options && options.transition === false) options.transition = Effect.Transitions.linear;
238 this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
239 this.currentFrame = 0;
240 this.state = 'idle';
241 this.startOn = this.options.delay*1000;
242 this.finishOn = this.startOn+(this.options.duration*1000);
243 this.fromToDelta = this.options.to-this.options.from;
244 this.totalTime = this.finishOn-this.startOn;
245 this.totalFrames = this.options.fps*this.options.duration;
246
247 this.render = (function() {
248 function dispatch(effect, eventName) {
249 if (effect.options[eventName + 'Internal'])
250 effect.options[eventName + 'Internal'](effect);
251 if (effect.options[eventName])
252 effect.options[eventName](effect);
253 }
254
255 return function(pos) {
256 if (this.state === "idle") {
257 this.state = "running";
258 dispatch(this, 'beforeSetup');
259 if (this.setup) this.setup();
260 dispatch(this, 'afterSetup');
261 }
262 if (this.state === "running") {
263 pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
264 this.position = pos;
265 dispatch(this, 'beforeUpdate');
266 if (this.update) this.update(pos);
267 dispatch(this, 'afterUpdate');
268 }
269 };
270 })();
271
272 this.event('beforeStart');
273 if (!this.options.sync)
274 Effect.Queues.get(Object.isString(this.options.queue) ?
275 'global' : this.options.queue.scope).add(this);
276 },
277 loop: function(timePos) {
278 if (timePos >= this.startOn) {
279 if (timePos >= this.finishOn) {
280 this.render(1.0);
281 this.cancel();
282 this.event('beforeFinish');
283 if (this.finish) this.finish();
284 this.event('afterFinish');
285 return;
286 }
287 var pos = (timePos - this.startOn) / this.totalTime,
288 frame = (pos * this.totalFrames).round();
289 if (frame > this.currentFrame) {
290 this.render(pos);
291 this.currentFrame = frame;
292 }
293 }
294 },
295 cancel: function() {
296 if (!this.options.sync)
297 Effect.Queues.get(Object.isString(this.options.queue) ?
298 'global' : this.options.queue.scope).remove(this);
299 this.state = 'finished';
300 },
301 event: function(eventName) {
302 if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
303 if (this.options[eventName]) this.options[eventName](this);
304 },
305 inspect: function() {
306 var data = $H();
307 for(property in this)
308 if (!Object.isFunction(this[property])) data.set(property, this[property]);
309 return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
310 }
311});
312
313Effect.Parallel = Class.create(Effect.Base, {
314 initialize: function(effects) {
315 this.effects = effects || [];
316 this.start(arguments[1]);
317 },
318 update: function(position) {
319 this.effects.invoke('render', position);
320 },
321 finish: function(position) {
322 this.effects.each( function(effect) {
323 effect.render(1.0);
324 effect.cancel();
325 effect.event('beforeFinish');
326 if (effect.finish) effect.finish(position);
327 effect.event('afterFinish');
328 });
329 }
330});
331
332Effect.Tween = Class.create(Effect.Base, {
333 initialize: function(object, from, to) {
334 object = Object.isString(object) ? $(object) : object;
335 var args = $A(arguments), method = args.last(),
336 options = args.length == 5 ? args[3] : null;
337 this.method = Object.isFunction(method) ? method.bind(object) :
338 Object.isFunction(object[method]) ? object[method].bind(object) :
339 function(value) { object[method] = value };
340 this.start(Object.extend({ from: from, to: to }, options || { }));
341 },
342 update: function(position) {
343 this.method(position);
344 }
345});
346
347Effect.Event = Class.create(Effect.Base, {
348 initialize: function() {
349 this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
350 },
351 update: Prototype.emptyFunction
352});
353
354Effect.Opacity = Class.create(Effect.Base, {
355 initialize: function(element) {
356 this.element = $(element);
357 if (!this.element) throw(Effect._elementDoesNotExistError);
358 // make this work on IE on elements without 'layout'
359 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
360 this.element.setStyle({zoom: 1});
361 var options = Object.extend({
362 from: this.element.getOpacity() || 0.0,
363 to: 1.0
364 }, arguments[1] || { });
365 this.start(options);
366 },
367 update: function(position) {
368 this.element.setOpacity(position);
369 }
370});
371
372Effect.Move = Class.create(Effect.Base, {
373 initialize: function(element) {
374 this.element = $(element);
375 if (!this.element) throw(Effect._elementDoesNotExistError);
376 var options = Object.extend({
377 x: 0,
378 y: 0,
379 mode: 'relative'
380 }, arguments[1] || { });
381 this.start(options);
382 },
383 setup: function() {
384 this.element.makePositioned();
385 this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
386 this.originalTop = parseFloat(this.element.getStyle('top') || '0');
387 if (this.options.mode == 'absolute') {
388 this.options.x = this.options.x - this.originalLeft;
389 this.options.y = this.options.y - this.originalTop;
390 }
391 },
392 update: function(position) {
393 this.element.setStyle({
394 left: (this.options.x * position + this.originalLeft).round() + 'px',
395 top: (this.options.y * position + this.originalTop).round() + 'px'
396 });
397 }
398});
399
400// for backwards compatibility
401Effect.MoveBy = function(element, toTop, toLeft) {
402 return new Effect.Move(element,
403 Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
404};
405
406Effect.Scale = Class.create(Effect.Base, {
407 initialize: function(element, percent) {
408 this.element = $(element);
409 if (!this.element) throw(Effect._elementDoesNotExistError);
410 var options = Object.extend({
411 scaleX: true,
412 scaleY: true,
413 scaleContent: true,
414 scaleFromCenter: false,
415 scaleMode: 'box', // 'box' or 'contents' or { } with provided values
416 scaleFrom: 100.0,
417 scaleTo: percent
418 }, arguments[2] || { });
419 this.start(options);
420 },
421 setup: function() {
422 this.restoreAfterFinish = this.options.restoreAfterFinish || false;
423 this.elementPositioning = this.element.getStyle('position');
424
425 this.originalStyle = { };
426 ['top','left','width','height','fontSize'].each( function(k) {
427 this.originalStyle[k] = this.element.style[k];
428 }.bind(this));
429
430 this.originalTop = this.element.offsetTop;
431 this.originalLeft = this.element.offsetLeft;
432
433 var fontSize = this.element.getStyle('font-size') || '100%';
434 ['em','px','%','pt'].each( function(fontSizeType) {
435 if (fontSize.indexOf(fontSizeType)>0) {
436 this.fontSize = parseFloat(fontSize);
437 this.fontSizeType = fontSizeType;
438 }
439 }.bind(this));
440
441 this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
442
443 this.dims = null;
444 if (this.options.scaleMode=='box')
445 this.dims = [this.element.offsetHeight, this.element.offsetWidth];
446 if (/^content/.test(this.options.scaleMode))
447 this.dims = [this.element.scrollHeight, this.element.scrollWidth];
448 if (!this.dims)
449 this.dims = [this.options.scaleMode.originalHeight,
450 this.options.scaleMode.originalWidth];
451 },
452 update: function(position) {
453 var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
454 if (this.options.scaleContent && this.fontSize)
455 this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
456 this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
457 },
458 finish: function(position) {
459 if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
460 },
461 setDimensions: function(height, width) {
462 var d = { };
463 if (this.options.scaleX) d.width = width.round() + 'px';
464 if (this.options.scaleY) d.height = height.round() + 'px';
465 if (this.options.scaleFromCenter) {
466 var topd = (height - this.dims[0])/2;
467 var leftd = (width - this.dims[1])/2;
468 if (this.elementPositioning == 'absolute') {
469 if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
470 if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
471 } else {
472 if (this.options.scaleY) d.top = -topd + 'px';
473 if (this.options.scaleX) d.left = -leftd + 'px';
474 }
475 }
476 this.element.setStyle(d);
477 }
478});
479
480Effect.Highlight = Class.create(Effect.Base, {
481 initialize: function(element) {
482 this.element = $(element);
483 if (!this.element) throw(Effect._elementDoesNotExistError);
484 var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
485 this.start(options);
486 },
487 setup: function() {
488 // Prevent executing on elements not in the layout flow
489 if (this.element.getStyle('display')=='none') { this.cancel(); return; }
490 // Disable background image during the effect
491 this.oldStyle = { };
492 if (!this.options.keepBackgroundImage) {
493 this.oldStyle.backgroundImage = this.element.getStyle('background-image');
494 this.element.setStyle({backgroundImage: 'none'});
495 }
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));
503 },
504 update: function(position) {
505 this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
506 return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
507 },
508 finish: function() {
509 this.element.setStyle(Object.extend(this.oldStyle, {
510 backgroundColor: this.options.restorecolor
511 }));
512 }
513});
514
515Effect.ScrollTo = function(element) {
516 var options = arguments[1] || { },
517 scrollOffsets = document.viewport.getScrollOffsets(),
518 elementOffsets = $(element).cumulativeOffset();
519
520 if (options.offset) elementOffsets[1] += options.offset;
521
522 return new Effect.Tween(null,
523 scrollOffsets.top,
524 elementOffsets[1],
525 options,
526 function(p){ scrollTo(scrollOffsets.left, p.round()); }
527 );
528};
529
530/* ------------- combination effects ------------- */
531
532Effect.Fade = function(element) {
533 element = $(element);
534 var oldOpacity = element.getInlineOpacity();
535 var options = Object.extend({
536 from: element.getOpacity() || 1.0,
537 to: 0.0,
538 afterFinishInternal: function(effect) {
539 if (effect.options.to!=0) return;
540 effect.element.hide().setStyle({opacity: oldOpacity});
541 }
542 }, arguments[1] || { });
543 return new Effect.Opacity(element,options);
544};
545
546Effect.Appear = function(element) {
547 element = $(element);
548 var options = Object.extend({
549 from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
550 to: 1.0,
551 // force Safari to render floated elements properly
552 afterFinishInternal: function(effect) {
553 effect.element.forceRerendering();
554 },
555 beforeSetup: function(effect) {
556 effect.element.setOpacity(effect.options.from).show();
557 }}, arguments[1] || { });
558 return new Effect.Opacity(element,options);
559};
560
561Effect.Puff = function(element) {
562 element = $(element);
563 var oldStyle = {
564 opacity: element.getInlineOpacity(),
565 position: element.getStyle('position'),
566 top: element.style.top,
567 left: element.style.left,
568 width: element.style.width,
569 height: element.style.height
570 };
571 return new Effect.Parallel(
572 [ new Effect.Scale(element, 200,
573 { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
574 new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
575 Object.extend({ duration: 1.0,
576 beforeSetupInternal: function(effect) {
577 Position.absolutize(effect.effects[0].element);
578 },
579 afterFinishInternal: function(effect) {
580 effect.effects[0].element.hide().setStyle(oldStyle); }
581 }, arguments[1] || { })
582 );
583};
584
585Effect.BlindUp = function(element) {
586 element = $(element);
587 element.makeClipping();
588 return new Effect.Scale(element, 0,
589 Object.extend({ scaleContent: false,
590 scaleX: false,
591 restoreAfterFinish: true,
592 afterFinishInternal: function(effect) {
593 effect.element.hide().undoClipping();
594 }
595 }, arguments[1] || { })
596 );
597};
598
599Effect.BlindDown = function(element) {
600 element = $(element);
601 var elementDimensions = element.getDimensions();
602 return new Effect.Scale(element, 100, Object.extend({
603 scaleContent: false,
604 scaleX: false,
605 scaleFrom: 0,
606 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
607 restoreAfterFinish: true,
608 afterSetup: function(effect) {
609 effect.element.makeClipping().setStyle({height: '0px'}).show();
610 },
611 afterFinishInternal: function(effect) {
612 effect.element.undoClipping();
613 }
614 }, arguments[1] || { }));
615};
616
617Effect.SwitchOff = function(element) {
618 element = $(element);
619 var oldOpacity = element.getInlineOpacity();
620 return new Effect.Appear(element, Object.extend({
621 duration: 0.4,
622 from: 0,
623 transition: Effect.Transitions.flicker,
624 afterFinishInternal: function(effect) {
625 new Effect.Scale(effect.element, 1, {
626 duration: 0.3, scaleFromCenter: true,
627 scaleX: false, scaleContent: false, restoreAfterFinish: true,
628 beforeSetup: function(effect) {
629 effect.element.makePositioned().makeClipping();
630 },
631 afterFinishInternal: function(effect) {
632 effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
633 }
634 });
635 }
636 }, arguments[1] || { }));
637};
638
639Effect.DropOut = function(element) {
640 element = $(element);
641 var oldStyle = {
642 top: element.getStyle('top'),
643 left: element.getStyle('left'),
644 opacity: element.getInlineOpacity() };
645 return new Effect.Parallel(
646 [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
647 new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
648 Object.extend(
649 { duration: 0.5,
650 beforeSetup: function(effect) {
651 effect.effects[0].element.makePositioned();
652 },
653 afterFinishInternal: function(effect) {
654 effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
655 }
656 }, arguments[1] || { }));
657};
658
659Effect.Shake = function(element) {
660 element = $(element);
661 var options = Object.extend({
662 distance: 20,
663 duration: 0.5
664 }, arguments[1] || {});
665 var distance = parseFloat(options.distance);
666 var split = parseFloat(options.duration) / 10.0;
667 var oldStyle = {
668 top: element.getStyle('top'),
669 left: element.getStyle('left') };
670 return new Effect.Move(element,
671 { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) {
672 new Effect.Move(effect.element,
673 { x: -distance*2, y: 0, duration: split*2, 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, y: 0, duration: split, afterFinishInternal: function(effect) {
682 effect.element.undoPositioned().setStyle(oldStyle);
683 }}); }}); }}); }}); }}); }});
684};
685
686Effect.SlideDown = function(element) {
687 element = $(element).cleanWhitespace();
688 // SlideDown need to have the content of the element wrapped in a container element with fixed height!
689 var oldInnerBottom = element.down().getStyle('bottom');
690 var elementDimensions = element.getDimensions();
691 return new Effect.Scale(element, 100, Object.extend({
692 scaleContent: false,
693 scaleX: false,
694 scaleFrom: window.opera ? 0 : 1,
695 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
696 restoreAfterFinish: true,
697 afterSetup: function(effect) {
698 effect.element.makePositioned();
699 effect.element.down().makePositioned();
700 if (window.opera) effect.element.setStyle({top: ''});
701 effect.element.makeClipping().setStyle({height: '0px'}).show();
702 },
703 afterUpdateInternal: function(effect) {
704 effect.element.down().setStyle({bottom:
705 (effect.dims[0] - effect.element.clientHeight) + 'px' });
706 },
707 afterFinishInternal: function(effect) {
708 effect.element.undoClipping().undoPositioned();
709 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
710 }, arguments[1] || { })
711 );
712};
713
714Effect.SlideUp = function(element) {
715 element = $(element).cleanWhitespace();
716 var oldInnerBottom = element.down().getStyle('bottom');
717 var elementDimensions = element.getDimensions();
718 return new Effect.Scale(element, window.opera ? 0 : 1,
719 Object.extend({ scaleContent: false,
720 scaleX: false,
721 scaleMode: 'box',
722 scaleFrom: 100,
723 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
724 restoreAfterFinish: true,
725 afterSetup: function(effect) {
726 effect.element.makePositioned();
727 effect.element.down().makePositioned();
728 if (window.opera) effect.element.setStyle({top: ''});
729 effect.element.makeClipping().show();
730 },
731 afterUpdateInternal: function(effect) {
732 effect.element.down().setStyle({bottom:
733 (effect.dims[0] - effect.element.clientHeight) + 'px' });
734 },
735 afterFinishInternal: function(effect) {
736 effect.element.hide().undoClipping().undoPositioned();
737 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
738 }
739 }, arguments[1] || { })
740 );
741};
742
743// Bug in opera makes the TD containing this element expand for a instance after finish
744Effect.Squish = function(element) {
745 return new Effect.Scale(element, window.opera ? 1 : 0, {
746 restoreAfterFinish: true,
747 beforeSetup: function(effect) {
748 effect.element.makeClipping();
749 },
750 afterFinishInternal: function(effect) {
751 effect.element.hide().undoClipping();
752 }
753 });
754};
755
756Effect.Grow = function(element) {
757 element = $(element);
758 var options = Object.extend({
759 direction: 'center',
760 moveTransition: Effect.Transitions.sinoidal,
761 scaleTransition: Effect.Transitions.sinoidal,
762 opacityTransition: Effect.Transitions.full
763 }, arguments[1] || { });
764 var oldStyle = {
765 top: element.style.top,
766 left: element.style.left,
767 height: element.style.height,
768 width: element.style.width,
769 opacity: element.getInlineOpacity() };
770
771 var dims = element.getDimensions();
772 var initialMoveX, initialMoveY;
773 var moveX, moveY;
774
775 switch (options.direction) {
776 case 'top-left':
777 initialMoveX = initialMoveY = moveX = moveY = 0;
778 break;
779 case 'top-right':
780 initialMoveX = dims.width;
781 initialMoveY = moveY = 0;
782 moveX = -dims.width;
783 break;
784 case 'bottom-left':
785 initialMoveX = moveX = 0;
786 initialMoveY = dims.height;
787 moveY = -dims.height;
788 break;
789 case 'bottom-right':
790 initialMoveX = dims.width;
791 initialMoveY = dims.height;
792 moveX = -dims.width;
793 moveY = -dims.height;
794 break;
795 case 'center':
796 initialMoveX = dims.width / 2;
797 initialMoveY = dims.height / 2;
798 moveX = -dims.width / 2;
799 moveY = -dims.height / 2;
800 break;
801 }
802
803 return new Effect.Move(element, {
804 x: initialMoveX,
805 y: initialMoveY,
806 duration: 0.01,
807 beforeSetup: function(effect) {
808 effect.element.hide().makeClipping().makePositioned();
809 },
810 afterFinishInternal: function(effect) {
811 new Effect.Parallel(
812 [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
813 new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
814 new Effect.Scale(effect.element, 100, {
815 scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
816 sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
817 ], Object.extend({
818 beforeSetup: function(effect) {
819 effect.effects[0].element.setStyle({height: '0px'}).show();
820 },
821 afterFinishInternal: function(effect) {
822 effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
823 }
824 }, options)
825 );
826 }
827 });
828};
829
830Effect.Shrink = function(element) {
831 element = $(element);
832 var options = Object.extend({
833 direction: 'center',
834 moveTransition: Effect.Transitions.sinoidal,
835 scaleTransition: Effect.Transitions.sinoidal,
836 opacityTransition: Effect.Transitions.none
837 }, arguments[1] || { });
838 var oldStyle = {
839 top: element.style.top,
840 left: element.style.left,
841 height: element.style.height,
842 width: element.style.width,
843 opacity: element.getInlineOpacity() };
844
845 var dims = element.getDimensions();
846 var moveX, moveY;
847
848 switch (options.direction) {
849 case 'top-left':
850 moveX = moveY = 0;
851 break;
852 case 'top-right':
853 moveX = dims.width;
854 moveY = 0;
855 break;
856 case 'bottom-left':
857 moveX = 0;
858 moveY = dims.height;
859 break;
860 case 'bottom-right':
861 moveX = dims.width;
862 moveY = dims.height;
863 break;
864 case 'center':
865 moveX = dims.width / 2;
866 moveY = dims.height / 2;
867 break;
868 }
869
870 return new Effect.Parallel(
871 [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
872 new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
873 new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
874 ], Object.extend({
875 beforeStartInternal: function(effect) {
876 effect.effects[0].element.makePositioned().makeClipping();
877 },
878 afterFinishInternal: function(effect) {
879 effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
880 }, options)
881 );
882};
883
884Effect.Pulsate = function(element) {
885 element = $(element);
886 var options = arguments[1] || { },
887 oldOpacity = element.getInlineOpacity(),
888 transition = options.transition || Effect.Transitions.linear,
889 reverser = function(pos){
890 return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
891 };
892
893 return new Effect.Opacity(element,
894 Object.extend(Object.extend({ duration: 2.0, from: 0,
895 afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
896 }, options), {transition: reverser}));
897};
898
899Effect.Fold = function(element) {
900 element = $(element);
901 var oldStyle = {
902 top: element.style.top,
903 left: element.style.left,
904 width: element.style.width,
905 height: element.style.height };
906 element.makeClipping();
907 return new Effect.Scale(element, 5, Object.extend({
908 scaleContent: false,
909 scaleX: false,
910 afterFinishInternal: function(effect) {
911 new Effect.Scale(element, 1, {
912 scaleContent: false,
913 scaleY: false,
914 afterFinishInternal: function(effect) {
915 effect.element.hide().undoClipping().setStyle(oldStyle);
916 } });
917 }}, arguments[1] || { }));
918};
919
920Effect.Morph = Class.create(Effect.Base, {
921 initialize: function(element) {
922 this.element = $(element);
923 if (!this.element) throw(Effect._elementDoesNotExistError);
924 var options = Object.extend({
925 style: { }
926 }, arguments[1] || { });
927
928 if (!Object.isString(options.style)) this.style = $H(options.style);
929 else {
930 if (options.style.include(':'))
931 this.style = options.style.parseStyle();
932 else {
933 this.element.addClassName(options.style);
934 this.style = $H(this.element.getStyles());
935 this.element.removeClassName(options.style);
936 var css = this.element.getStyles();
937 this.style = this.style.reject(function(style) {
938 return style.value == css[style.key];
939 });
940 options.afterFinishInternal = function(effect) {
941 effect.element.addClassName(effect.options.style);
942 effect.transforms.each(function(transform) {
943 effect.element.style[transform.style] = '';
944 });
945 };
946 }
947 }
948 this.start(options);
949 },
950
951 setup: function(){
952 function parseColor(color){
953 if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
954 color = color.parseColor();
955 return $R(0,2).map(function(i){
956 return parseInt( color.slice(i*2+1,i*2+3), 16 );
957 });
958 }
959 this.transforms = this.style.map(function(pair){
960 var property = pair[0], value = pair[1], unit = null;
961
962 if (value.parseColor('#zzzzzz') != '#zzzzzz') {
963 value = value.parseColor();
964 unit = 'color';
965 } else if (property == 'opacity') {
966 value = parseFloat(value);
967 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
968 this.element.setStyle({zoom: 1});
969 } else if (Element.CSS_LENGTH.test(value)) {
970 var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
971 value = parseFloat(components[1]);
972 unit = (components.length == 3) ? components[2] : null;
973 }
974
975 var originalValue = this.element.getStyle(property);
976 return {
977 style: property.camelize(),
978 originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
979 targetValue: unit=='color' ? parseColor(value) : value,
980 unit: unit
981 };
982 }.bind(this)).reject(function(transform){
983 return (
984 (transform.originalValue == transform.targetValue) ||
985 (
986 transform.unit != 'color' &&
987 (isNaN(transform.originalValue) || isNaN(transform.targetValue))
988 )
989 );
990 });
991 },
992 update: function(position) {
993 var style = { }, transform, i = this.transforms.length;
994 while(i--)
995 style[(transform = this.transforms[i]).style] =
996 transform.unit=='color' ? '#'+
997 (Math.round(transform.originalValue[0]+
998 (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
999 (Math.round(transform.originalValue[1]+
1000 (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
1001 (Math.round(transform.originalValue[2]+
1002 (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
1003 (transform.originalValue +
1004 (transform.targetValue - transform.originalValue) * position).toFixed(3) +
1005 (transform.unit === null ? '' : transform.unit);
1006 this.element.setStyle(style, true);
1007 }
1008});
1009
1010Effect.Transform = Class.create({
1011 initialize: function(tracks){
1012 this.tracks = [];
1013 this.options = arguments[1] || { };
1014 this.addTracks(tracks);
1015 },
1016 addTracks: function(tracks){
1017 tracks.each(function(track){
1018 track = $H(track);
1019 var data = track.values().first();
1020 this.tracks.push($H({
1021 ids: track.keys().first(),
1022 effect: Effect.Morph,
1023 options: { style: data }
1024 }));
1025 }.bind(this));
1026 return this;
1027 },
1028 play: function(){
1029 return new Effect.Parallel(
1030 this.tracks.map(function(track){
1031 var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
1032 var elements = [$(ids) || $$(ids)].flatten();
1033 return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
1034 }).flatten(),
1035 this.options
1036 );
1037 }
1038});
1039
1040Element.CSS_PROPERTIES = $w(
1041 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
1042 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
1043 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
1044 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
1045 'fontSize fontWeight height left letterSpacing lineHeight ' +
1046 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
1047 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
1048 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
1049 'right textIndent top width wordSpacing zIndex');
1050
1051Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
1052
1053String.__parseStyleElement = document.createElement('div');
1054String.prototype.parseStyle = function(){
1055 var style, styleRules = $H();
1056 if (Prototype.Browser.WebKit)
1057 style = new Element('div',{style:this}).style;
1058 else {
1059 String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
1060 style = String.__parseStyleElement.childNodes[0].style;
1061 }
1062
1063 Element.CSS_PROPERTIES.each(function(property){
1064 if (style[property]) styleRules.set(property, style[property]);
1065 });
1066
1067 if (Prototype.Browser.IE && this.include('opacity'))
1068 styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
1069
1070 return styleRules;
1071};
1072
1073if (document.defaultView && document.defaultView.getComputedStyle) {
1074 Element.getStyles = function(element) {
1075 var css = document.defaultView.getComputedStyle($(element), null);
1076 return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
1077 styles[property] = css[property];
1078 return styles;
1079 });
1080 };
1081} else {
1082 Element.getStyles = function(element) {
1083 element = $(element);
1084 var css = element.currentStyle, styles;
1085 styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
1086 results[property] = css[property];
1087 return results;
1088 });
1089 if (!styles.opacity) styles.opacity = element.getOpacity();
1090 return styles;
1091 };
1092}
1093
1094Effect.Methods = {
1095 morph: function(element, style) {
1096 element = $(element);
1097 new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
1098 return element;
1099 },
1100 visualEffect: function(element, effect, options) {
1101 element = $(element);
1102 var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
1103 new Effect[klass](element, options);
1104 return element;
1105 },
1106 highlight: function(element, options) {
1107 element = $(element);
1108 new Effect.Highlight(element, options);
1109 return element;
1110 }
1111};
1112
1113$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
1114 'pulsate shake puff squish switchOff dropOut').each(
1115 function(effect) {
1116 Effect.Methods[effect] = function(element, options){
1117 element = $(element);
1118 Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
1119 return element;
1120 };
1121 }
1122);
1123
1124$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
1125 function(f) { Effect.Methods[f] = Element[f]; }
1126);
1127
1128Element.addMethods(Effect.Methods);
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