source: ruby/trunk/terminology/public/javascripts/effects.js@ 164

Last change on this file since 164 was 164, checked in by KOBAYASHI, Shinji, 15 years ago

simple terminology commit
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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) + 0.5;
74 },
75 reverse: function(pos) {
76 return 1-pos;
77 },
78 flicker: function(pos) {
79 var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
80 return pos > 1 ? 1 : pos;
81 },
82 wobble: function(pos) {
83 return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
84 },
85 pulse: function(pos, pulses) {
86 pulses = pulses || 5;
87 return (
88 ((pos % (1/pulses)) * pulses).round() == 0 ?
89 ((pos * pulses * 2) - (pos * pulses * 2).floor()) :
90 1 - ((pos * pulses * 2) - (pos * pulses * 2).floor())
91 );
92 },
93 spring: function(pos) {
94 return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
95 },
96 none: function(pos) {
97 return 0;
98 },
99 full: function(pos) {
100 return 1;
101 }
102 },
103 DefaultOptions: {
104 duration: 1.0, // seconds
105 fps: 100, // 100= assume 66fps max.
106 sync: false, // true for combining
107 from: 0.0,
108 to: 1.0,
109 delay: 0.0,
110 queue: 'parallel'
111 },
112 tagifyText: function(element) {
113 var tagifyStyle = 'position:relative';
114 if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
115
116 element = $(element);
117 $A(element.childNodes).each( function(child) {
118 if (child.nodeType==3) {
119 child.nodeValue.toArray().each( function(character) {
120 element.insertBefore(
121 new Element('span', {style: tagifyStyle}).update(
122 character == ' ' ? String.fromCharCode(160) : character),
123 child);
124 });
125 Element.remove(child);
126 }
127 });
128 },
129 multiple: function(element, effect) {
130 var elements;
131 if (((typeof element == 'object') ||
132 Object.isFunction(element)) &&
133 (element.length))
134 elements = element;
135 else
136 elements = $(element).childNodes;
137
138 var options = Object.extend({
139 speed: 0.1,
140 delay: 0.0
141 }, arguments[2] || { });
142 var masterDelay = options.delay;
143
144 $A(elements).each( function(element, index) {
145 new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
146 });
147 },
148 PAIRS: {
149 'slide': ['SlideDown','SlideUp'],
150 'blind': ['BlindDown','BlindUp'],
151 'appear': ['Appear','Fade']
152 },
153 toggle: function(element, effect) {
154 element = $(element);
155 effect = (effect || 'appear').toLowerCase();
156 var options = Object.extend({
157 queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
158 }, arguments[2] || { });
159 Effect[element.visible() ?
160 Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
161 }
162};
163
164Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
165
166/* ------------- core effects ------------- */
167
168Effect.ScopedQueue = Class.create(Enumerable, {
169 initialize: function() {
170 this.effects = [];
171 this.interval = null;
172 },
173 _each: function(iterator) {
174 this.effects._each(iterator);
175 },
176 add: function(effect) {
177 var timestamp = new Date().getTime();
178
179 var position = Object.isString(effect.options.queue) ?
180 effect.options.queue : effect.options.queue.position;
181
182 switch(position) {
183 case 'front':
184 // move unstarted effects after this effect
185 this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
186 e.startOn += effect.finishOn;
187 e.finishOn += effect.finishOn;
188 });
189 break;
190 case 'with-last':
191 timestamp = this.effects.pluck('startOn').max() || timestamp;
192 break;
193 case 'end':
194 // start effect after last queued effect has finished
195 timestamp = this.effects.pluck('finishOn').max() || timestamp;
196 break;
197 }
198
199 effect.startOn += timestamp;
200 effect.finishOn += timestamp;
201
202 if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
203 this.effects.push(effect);
204
205 if (!this.interval)
206 this.interval = setInterval(this.loop.bind(this), 15);
207 },
208 remove: function(effect) {
209 this.effects = this.effects.reject(function(e) { return e==effect });
210 if (this.effects.length == 0) {
211 clearInterval(this.interval);
212 this.interval = null;
213 }
214 },
215 loop: function() {
216 var timePos = new Date().getTime();
217 for(var i=0, len=this.effects.length;i<len;i++)
218 this.effects[i] && this.effects[i].loop(timePos);
219 }
220});
221
222Effect.Queues = {
223 instances: $H(),
224 get: function(queueName) {
225 if (!Object.isString(queueName)) return queueName;
226
227 return this.instances.get(queueName) ||
228 this.instances.set(queueName, new Effect.ScopedQueue());
229 }
230};
231Effect.Queue = Effect.Queues.get('global');
232
233Effect.Base = Class.create({
234 position: null,
235 start: function(options) {
236 function codeForEvent(options,eventName){
237 return (
238 (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
239 (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
240 );
241 }
242 if (options && options.transition === false) options.transition = Effect.Transitions.linear;
243 this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
244 this.currentFrame = 0;
245 this.state = 'idle';
246 this.startOn = this.options.delay*1000;
247 this.finishOn = this.startOn+(this.options.duration*1000);
248 this.fromToDelta = this.options.to-this.options.from;
249 this.totalTime = this.finishOn-this.startOn;
250 this.totalFrames = this.options.fps*this.options.duration;
251
252 eval('this.render = function(pos){ '+
253 'if (this.state=="idle"){this.state="running";'+
254 codeForEvent(this.options,'beforeSetup')+
255 (this.setup ? 'this.setup();':'')+
256 codeForEvent(this.options,'afterSetup')+
257 '};if (this.state=="running"){'+
258 'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
259 'this.position=pos;'+
260 codeForEvent(this.options,'beforeUpdate')+
261 (this.update ? 'this.update(pos);':'')+
262 codeForEvent(this.options,'afterUpdate')+
263 '}}');
264
265 this.event('beforeStart');
266 if (!this.options.sync)
267 Effect.Queues.get(Object.isString(this.options.queue) ?
268 'global' : this.options.queue.scope).add(this);
269 },
270 loop: function(timePos) {
271 if (timePos >= this.startOn) {
272 if (timePos >= this.finishOn) {
273 this.render(1.0);
274 this.cancel();
275 this.event('beforeFinish');
276 if (this.finish) this.finish();
277 this.event('afterFinish');
278 return;
279 }
280 var pos = (timePos - this.startOn) / this.totalTime,
281 frame = (pos * this.totalFrames).round();
282 if (frame > this.currentFrame) {
283 this.render(pos);
284 this.currentFrame = frame;
285 }
286 }
287 },
288 cancel: function() {
289 if (!this.options.sync)
290 Effect.Queues.get(Object.isString(this.options.queue) ?
291 'global' : this.options.queue.scope).remove(this);
292 this.state = 'finished';
293 },
294 event: function(eventName) {
295 if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
296 if (this.options[eventName]) this.options[eventName](this);
297 },
298 inspect: function() {
299 var data = $H();
300 for(property in this)
301 if (!Object.isFunction(this[property])) data.set(property, this[property]);
302 return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
303 }
304});
305
306Effect.Parallel = Class.create(Effect.Base, {
307 initialize: function(effects) {
308 this.effects = effects || [];
309 this.start(arguments[1]);
310 },
311 update: function(position) {
312 this.effects.invoke('render', position);
313 },
314 finish: function(position) {
315 this.effects.each( function(effect) {
316 effect.render(1.0);
317 effect.cancel();
318 effect.event('beforeFinish');
319 if (effect.finish) effect.finish(position);
320 effect.event('afterFinish');
321 });
322 }
323});
324
325Effect.Tween = Class.create(Effect.Base, {
326 initialize: function(object, from, to) {
327 object = Object.isString(object) ? $(object) : object;
328 var args = $A(arguments), method = args.last(),
329 options = args.length == 5 ? args[3] : null;
330 this.method = Object.isFunction(method) ? method.bind(object) :
331 Object.isFunction(object[method]) ? object[method].bind(object) :
332 function(value) { object[method] = value };
333 this.start(Object.extend({ from: from, to: to }, options || { }));
334 },
335 update: function(position) {
336 this.method(position);
337 }
338});
339
340Effect.Event = Class.create(Effect.Base, {
341 initialize: function() {
342 this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
343 },
344 update: Prototype.emptyFunction
345});
346
347Effect.Opacity = Class.create(Effect.Base, {
348 initialize: function(element) {
349 this.element = $(element);
350 if (!this.element) throw(Effect._elementDoesNotExistError);
351 // make this work on IE on elements without 'layout'
352 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
353 this.element.setStyle({zoom: 1});
354 var options = Object.extend({
355 from: this.element.getOpacity() || 0.0,
356 to: 1.0
357 }, arguments[1] || { });
358 this.start(options);
359 },
360 update: function(position) {
361 this.element.setOpacity(position);
362 }
363});
364
365Effect.Move = Class.create(Effect.Base, {
366 initialize: function(element) {
367 this.element = $(element);
368 if (!this.element) throw(Effect._elementDoesNotExistError);
369 var options = Object.extend({
370 x: 0,
371 y: 0,
372 mode: 'relative'
373 }, arguments[1] || { });
374 this.start(options);
375 },
376 setup: function() {
377 this.element.makePositioned();
378 this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
379 this.originalTop = parseFloat(this.element.getStyle('top') || '0');
380 if (this.options.mode == 'absolute') {
381 this.options.x = this.options.x - this.originalLeft;
382 this.options.y = this.options.y - this.originalTop;
383 }
384 },
385 update: function(position) {
386 this.element.setStyle({
387 left: (this.options.x * position + this.originalLeft).round() + 'px',
388 top: (this.options.y * position + this.originalTop).round() + 'px'
389 });
390 }
391});
392
393// for backwards compatibility
394Effect.MoveBy = function(element, toTop, toLeft) {
395 return new Effect.Move(element,
396 Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
397};
398
399Effect.Scale = Class.create(Effect.Base, {
400 initialize: function(element, percent) {
401 this.element = $(element);
402 if (!this.element) throw(Effect._elementDoesNotExistError);
403 var options = Object.extend({
404 scaleX: true,
405 scaleY: true,
406 scaleContent: true,
407 scaleFromCenter: false,
408 scaleMode: 'box', // 'box' or 'contents' or { } with provided values
409 scaleFrom: 100.0,
410 scaleTo: percent
411 }, arguments[2] || { });
412 this.start(options);
413 },
414 setup: function() {
415 this.restoreAfterFinish = this.options.restoreAfterFinish || false;
416 this.elementPositioning = this.element.getStyle('position');
417
418 this.originalStyle = { };
419 ['top','left','width','height','fontSize'].each( function(k) {
420 this.originalStyle[k] = this.element.style[k];
421 }.bind(this));
422
423 this.originalTop = this.element.offsetTop;
424 this.originalLeft = this.element.offsetLeft;
425
426 var fontSize = this.element.getStyle('font-size') || '100%';
427 ['em','px','%','pt'].each( function(fontSizeType) {
428 if (fontSize.indexOf(fontSizeType)>0) {
429 this.fontSize = parseFloat(fontSize);
430 this.fontSizeType = fontSizeType;
431 }
432 }.bind(this));
433
434 this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
435
436 this.dims = null;
437 if (this.options.scaleMode=='box')
438 this.dims = [this.element.offsetHeight, this.element.offsetWidth];
439 if (/^content/.test(this.options.scaleMode))
440 this.dims = [this.element.scrollHeight, this.element.scrollWidth];
441 if (!this.dims)
442 this.dims = [this.options.scaleMode.originalHeight,
443 this.options.scaleMode.originalWidth];
444 },
445 update: function(position) {
446 var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
447 if (this.options.scaleContent && this.fontSize)
448 this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
449 this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
450 },
451 finish: function(position) {
452 if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
453 },
454 setDimensions: function(height, width) {
455 var d = { };
456 if (this.options.scaleX) d.width = width.round() + 'px';
457 if (this.options.scaleY) d.height = height.round() + 'px';
458 if (this.options.scaleFromCenter) {
459 var topd = (height - this.dims[0])/2;
460 var leftd = (width - this.dims[1])/2;
461 if (this.elementPositioning == 'absolute') {
462 if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
463 if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
464 } else {
465 if (this.options.scaleY) d.top = -topd + 'px';
466 if (this.options.scaleX) d.left = -leftd + 'px';
467 }
468 }
469 this.element.setStyle(d);
470 }
471});
472
473Effect.Highlight = Class.create(Effect.Base, {
474 initialize: function(element) {
475 this.element = $(element);
476 if (!this.element) throw(Effect._elementDoesNotExistError);
477 var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
478 this.start(options);
479 },
480 setup: function() {
481 // Prevent executing on elements not in the layout flow
482 if (this.element.getStyle('display')=='none') { this.cancel(); return; }
483 // Disable background image during the effect
484 this.oldStyle = { };
485 if (!this.options.keepBackgroundImage) {
486 this.oldStyle.backgroundImage = this.element.getStyle('background-image');
487 this.element.setStyle({backgroundImage: 'none'});
488 }
489 if (!this.options.endcolor)
490 this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
491 if (!this.options.restorecolor)
492 this.options.restorecolor = this.element.getStyle('background-color');
493 // init color calculations
494 this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
495 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));
496 },
497 update: function(position) {
498 this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
499 return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
500 },
501 finish: function() {
502 this.element.setStyle(Object.extend(this.oldStyle, {
503 backgroundColor: this.options.restorecolor
504 }));
505 }
506});
507
508Effect.ScrollTo = function(element) {
509 var options = arguments[1] || { },
510 scrollOffsets = document.viewport.getScrollOffsets(),
511 elementOffsets = $(element).cumulativeOffset(),
512 max = (window.height || document.body.scrollHeight) - document.viewport.getHeight();
513
514 if (options.offset) elementOffsets[1] += options.offset;
515
516 return new Effect.Tween(null,
517 scrollOffsets.top,
518 elementOffsets[1] > max ? max : elementOffsets[1],
519 options,
520 function(p){ scrollTo(scrollOffsets.left, p.round()) }
521 );
522};
523
524/* ------------- combination effects ------------- */
525
526Effect.Fade = function(element) {
527 element = $(element);
528 var oldOpacity = element.getInlineOpacity();
529 var options = Object.extend({
530 from: element.getOpacity() || 1.0,
531 to: 0.0,
532 afterFinishInternal: function(effect) {
533 if (effect.options.to!=0) return;
534 effect.element.hide().setStyle({opacity: oldOpacity});
535 }
536 }, arguments[1] || { });
537 return new Effect.Opacity(element,options);
538};
539
540Effect.Appear = function(element) {
541 element = $(element);
542 var options = Object.extend({
543 from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
544 to: 1.0,
545 // force Safari to render floated elements properly
546 afterFinishInternal: function(effect) {
547 effect.element.forceRerendering();
548 },
549 beforeSetup: function(effect) {
550 effect.element.setOpacity(effect.options.from).show();
551 }}, arguments[1] || { });
552 return new Effect.Opacity(element,options);
553};
554
555Effect.Puff = function(element) {
556 element = $(element);
557 var oldStyle = {
558 opacity: element.getInlineOpacity(),
559 position: element.getStyle('position'),
560 top: element.style.top,
561 left: element.style.left,
562 width: element.style.width,
563 height: element.style.height
564 };
565 return new Effect.Parallel(
566 [ new Effect.Scale(element, 200,
567 { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
568 new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
569 Object.extend({ duration: 1.0,
570 beforeSetupInternal: function(effect) {
571 Position.absolutize(effect.effects[0].element)
572 },
573 afterFinishInternal: function(effect) {
574 effect.effects[0].element.hide().setStyle(oldStyle); }
575 }, arguments[1] || { })
576 );
577};
578
579Effect.BlindUp = function(element) {
580 element = $(element);
581 element.makeClipping();
582 return new Effect.Scale(element, 0,
583 Object.extend({ scaleContent: false,
584 scaleX: false,
585 restoreAfterFinish: true,
586 afterFinishInternal: function(effect) {
587 effect.element.hide().undoClipping();
588 }
589 }, arguments[1] || { })
590 );
591};
592
593Effect.BlindDown = function(element) {
594 element = $(element);
595 var elementDimensions = element.getDimensions();
596 return new Effect.Scale(element, 100, Object.extend({
597 scaleContent: false,
598 scaleX: false,
599 scaleFrom: 0,
600 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
601 restoreAfterFinish: true,
602 afterSetup: function(effect) {
603 effect.element.makeClipping().setStyle({height: '0px'}).show();
604 },
605 afterFinishInternal: function(effect) {
606 effect.element.undoClipping();
607 }
608 }, arguments[1] || { }));
609};
610
611Effect.SwitchOff = function(element) {
612 element = $(element);
613 var oldOpacity = element.getInlineOpacity();
614 return new Effect.Appear(element, Object.extend({
615 duration: 0.4,
616 from: 0,
617 transition: Effect.Transitions.flicker,
618 afterFinishInternal: function(effect) {
619 new Effect.Scale(effect.element, 1, {
620 duration: 0.3, scaleFromCenter: true,
621 scaleX: false, scaleContent: false, restoreAfterFinish: true,
622 beforeSetup: function(effect) {
623 effect.element.makePositioned().makeClipping();
624 },
625 afterFinishInternal: function(effect) {
626 effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
627 }
628 })
629 }
630 }, arguments[1] || { }));
631};
632
633Effect.DropOut = function(element) {
634 element = $(element);
635 var oldStyle = {
636 top: element.getStyle('top'),
637 left: element.getStyle('left'),
638 opacity: element.getInlineOpacity() };
639 return new Effect.Parallel(
640 [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
641 new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
642 Object.extend(
643 { duration: 0.5,
644 beforeSetup: function(effect) {
645 effect.effects[0].element.makePositioned();
646 },
647 afterFinishInternal: function(effect) {
648 effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
649 }
650 }, arguments[1] || { }));
651};
652
653Effect.Shake = function(element) {
654 element = $(element);
655 var options = Object.extend({
656 distance: 20,
657 duration: 0.5
658 }, arguments[1] || {});
659 var distance = parseFloat(options.distance);
660 var split = parseFloat(options.duration) / 10.0;
661 var oldStyle = {
662 top: element.getStyle('top'),
663 left: element.getStyle('left') };
664 return new Effect.Move(element,
665 { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) {
666 new Effect.Move(effect.element,
667 { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
668 new Effect.Move(effect.element,
669 { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
670 new Effect.Move(effect.element,
671 { x: -distance*2, y: 0, duration: split*2, 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, y: 0, duration: split, afterFinishInternal: function(effect) {
676 effect.element.undoPositioned().setStyle(oldStyle);
677 }}) }}) }}) }}) }}) }});
678};
679
680Effect.SlideDown = function(element) {
681 element = $(element).cleanWhitespace();
682 // SlideDown need to have the content of the element wrapped in a container element with fixed height!
683 var oldInnerBottom = element.down().getStyle('bottom');
684 var elementDimensions = element.getDimensions();
685 return new Effect.Scale(element, 100, Object.extend({
686 scaleContent: false,
687 scaleX: false,
688 scaleFrom: window.opera ? 0 : 1,
689 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
690 restoreAfterFinish: true,
691 afterSetup: function(effect) {
692 effect.element.makePositioned();
693 effect.element.down().makePositioned();
694 if (window.opera) effect.element.setStyle({top: ''});
695 effect.element.makeClipping().setStyle({height: '0px'}).show();
696 },
697 afterUpdateInternal: function(effect) {
698 effect.element.down().setStyle({bottom:
699 (effect.dims[0] - effect.element.clientHeight) + 'px' });
700 },
701 afterFinishInternal: function(effect) {
702 effect.element.undoClipping().undoPositioned();
703 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
704 }, arguments[1] || { })
705 );
706};
707
708Effect.SlideUp = function(element) {
709 element = $(element).cleanWhitespace();
710 var oldInnerBottom = element.down().getStyle('bottom');
711 var elementDimensions = element.getDimensions();
712 return new Effect.Scale(element, window.opera ? 0 : 1,
713 Object.extend({ scaleContent: false,
714 scaleX: false,
715 scaleMode: 'box',
716 scaleFrom: 100,
717 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
718 restoreAfterFinish: true,
719 afterSetup: function(effect) {
720 effect.element.makePositioned();
721 effect.element.down().makePositioned();
722 if (window.opera) effect.element.setStyle({top: ''});
723 effect.element.makeClipping().show();
724 },
725 afterUpdateInternal: function(effect) {
726 effect.element.down().setStyle({bottom:
727 (effect.dims[0] - effect.element.clientHeight) + 'px' });
728 },
729 afterFinishInternal: function(effect) {
730 effect.element.hide().undoClipping().undoPositioned();
731 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
732 }
733 }, arguments[1] || { })
734 );
735};
736
737// Bug in opera makes the TD containing this element expand for a instance after finish
738Effect.Squish = function(element) {
739 return new Effect.Scale(element, window.opera ? 1 : 0, {
740 restoreAfterFinish: true,
741 beforeSetup: function(effect) {
742 effect.element.makeClipping();
743 },
744 afterFinishInternal: function(effect) {
745 effect.element.hide().undoClipping();
746 }
747 });
748};
749
750Effect.Grow = function(element) {
751 element = $(element);
752 var options = Object.extend({
753 direction: 'center',
754 moveTransition: Effect.Transitions.sinoidal,
755 scaleTransition: Effect.Transitions.sinoidal,
756 opacityTransition: Effect.Transitions.full
757 }, arguments[1] || { });
758 var oldStyle = {
759 top: element.style.top,
760 left: element.style.left,
761 height: element.style.height,
762 width: element.style.width,
763 opacity: element.getInlineOpacity() };
764
765 var dims = element.getDimensions();
766 var initialMoveX, initialMoveY;
767 var moveX, moveY;
768
769 switch (options.direction) {
770 case 'top-left':
771 initialMoveX = initialMoveY = moveX = moveY = 0;
772 break;
773 case 'top-right':
774 initialMoveX = dims.width;
775 initialMoveY = moveY = 0;
776 moveX = -dims.width;
777 break;
778 case 'bottom-left':
779 initialMoveX = moveX = 0;
780 initialMoveY = dims.height;
781 moveY = -dims.height;
782 break;
783 case 'bottom-right':
784 initialMoveX = dims.width;
785 initialMoveY = dims.height;
786 moveX = -dims.width;
787 moveY = -dims.height;
788 break;
789 case 'center':
790 initialMoveX = dims.width / 2;
791 initialMoveY = dims.height / 2;
792 moveX = -dims.width / 2;
793 moveY = -dims.height / 2;
794 break;
795 }
796
797 return new Effect.Move(element, {
798 x: initialMoveX,
799 y: initialMoveY,
800 duration: 0.01,
801 beforeSetup: function(effect) {
802 effect.element.hide().makeClipping().makePositioned();
803 },
804 afterFinishInternal: function(effect) {
805 new Effect.Parallel(
806 [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
807 new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
808 new Effect.Scale(effect.element, 100, {
809 scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
810 sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
811 ], Object.extend({
812 beforeSetup: function(effect) {
813 effect.effects[0].element.setStyle({height: '0px'}).show();
814 },
815 afterFinishInternal: function(effect) {
816 effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
817 }
818 }, options)
819 )
820 }
821 });
822};
823
824Effect.Shrink = function(element) {
825 element = $(element);
826 var options = Object.extend({
827 direction: 'center',
828 moveTransition: Effect.Transitions.sinoidal,
829 scaleTransition: Effect.Transitions.sinoidal,
830 opacityTransition: Effect.Transitions.none
831 }, arguments[1] || { });
832 var oldStyle = {
833 top: element.style.top,
834 left: element.style.left,
835 height: element.style.height,
836 width: element.style.width,
837 opacity: element.getInlineOpacity() };
838
839 var dims = element.getDimensions();
840 var moveX, moveY;
841
842 switch (options.direction) {
843 case 'top-left':
844 moveX = moveY = 0;
845 break;
846 case 'top-right':
847 moveX = dims.width;
848 moveY = 0;
849 break;
850 case 'bottom-left':
851 moveX = 0;
852 moveY = dims.height;
853 break;
854 case 'bottom-right':
855 moveX = dims.width;
856 moveY = dims.height;
857 break;
858 case 'center':
859 moveX = dims.width / 2;
860 moveY = dims.height / 2;
861 break;
862 }
863
864 return new Effect.Parallel(
865 [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
866 new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
867 new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
868 ], Object.extend({
869 beforeStartInternal: function(effect) {
870 effect.effects[0].element.makePositioned().makeClipping();
871 },
872 afterFinishInternal: function(effect) {
873 effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
874 }, options)
875 );
876};
877
878Effect.Pulsate = function(element) {
879 element = $(element);
880 var options = arguments[1] || { };
881 var oldOpacity = element.getInlineOpacity();
882 var transition = options.transition || Effect.Transitions.sinoidal;
883 var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
884 reverser.bind(transition);
885 return new Effect.Opacity(element,
886 Object.extend(Object.extend({ duration: 2.0, from: 0,
887 afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
888 }, options), {transition: reverser}));
889};
890
891Effect.Fold = function(element) {
892 element = $(element);
893 var oldStyle = {
894 top: element.style.top,
895 left: element.style.left,
896 width: element.style.width,
897 height: element.style.height };
898 element.makeClipping();
899 return new Effect.Scale(element, 5, Object.extend({
900 scaleContent: false,
901 scaleX: false,
902 afterFinishInternal: function(effect) {
903 new Effect.Scale(element, 1, {
904 scaleContent: false,
905 scaleY: false,
906 afterFinishInternal: function(effect) {
907 effect.element.hide().undoClipping().setStyle(oldStyle);
908 } });
909 }}, arguments[1] || { }));
910};
911
912Effect.Morph = Class.create(Effect.Base, {
913 initialize: function(element) {
914 this.element = $(element);
915 if (!this.element) throw(Effect._elementDoesNotExistError);
916 var options = Object.extend({
917 style: { }
918 }, arguments[1] || { });
919
920 if (!Object.isString(options.style)) this.style = $H(options.style);
921 else {
922 if (options.style.include(':'))
923 this.style = options.style.parseStyle();
924 else {
925 this.element.addClassName(options.style);
926 this.style = $H(this.element.getStyles());
927 this.element.removeClassName(options.style);
928 var css = this.element.getStyles();
929 this.style = this.style.reject(function(style) {
930 return style.value == css[style.key];
931 });
932 options.afterFinishInternal = function(effect) {
933 effect.element.addClassName(effect.options.style);
934 effect.transforms.each(function(transform) {
935 effect.element.style[transform.style] = '';
936 });
937 }
938 }
939 }
940 this.start(options);
941 },
942
943 setup: function(){
944 function parseColor(color){
945 if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
946 color = color.parseColor();
947 return $R(0,2).map(function(i){
948 return parseInt( color.slice(i*2+1,i*2+3), 16 )
949 });
950 }
951 this.transforms = this.style.map(function(pair){
952 var property = pair[0], value = pair[1], unit = null;
953
954 if (value.parseColor('#zzzzzz') != '#zzzzzz') {
955 value = value.parseColor();
956 unit = 'color';
957 } else if (property == 'opacity') {
958 value = parseFloat(value);
959 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
960 this.element.setStyle({zoom: 1});
961 } else if (Element.CSS_LENGTH.test(value)) {
962 var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
963 value = parseFloat(components[1]);
964 unit = (components.length == 3) ? components[2] : null;
965 }
966
967 var originalValue = this.element.getStyle(property);
968 return {
969 style: property.camelize(),
970 originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
971 targetValue: unit=='color' ? parseColor(value) : value,
972 unit: unit
973 };
974 }.bind(this)).reject(function(transform){
975 return (
976 (transform.originalValue == transform.targetValue) ||
977 (
978 transform.unit != 'color' &&
979 (isNaN(transform.originalValue) || isNaN(transform.targetValue))
980 )
981 )
982 });
983 },
984 update: function(position) {
985 var style = { }, transform, i = this.transforms.length;
986 while(i--)
987 style[(transform = this.transforms[i]).style] =
988 transform.unit=='color' ? '#'+
989 (Math.round(transform.originalValue[0]+
990 (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
991 (Math.round(transform.originalValue[1]+
992 (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
993 (Math.round(transform.originalValue[2]+
994 (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
995 (transform.originalValue +
996 (transform.targetValue - transform.originalValue) * position).toFixed(3) +
997 (transform.unit === null ? '' : transform.unit);
998 this.element.setStyle(style, true);
999 }
1000});
1001
1002Effect.Transform = Class.create({
1003 initialize: function(tracks){
1004 this.tracks = [];
1005 this.options = arguments[1] || { };
1006 this.addTracks(tracks);
1007 },
1008 addTracks: function(tracks){
1009 tracks.each(function(track){
1010 track = $H(track);
1011 var data = track.values().first();
1012 this.tracks.push($H({
1013 ids: track.keys().first(),
1014 effect: Effect.Morph,
1015 options: { style: data }
1016 }));
1017 }.bind(this));
1018 return this;
1019 },
1020 play: function(){
1021 return new Effect.Parallel(
1022 this.tracks.map(function(track){
1023 var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
1024 var elements = [$(ids) || $$(ids)].flatten();
1025 return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
1026 }).flatten(),
1027 this.options
1028 );
1029 }
1030});
1031
1032Element.CSS_PROPERTIES = $w(
1033 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
1034 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
1035 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
1036 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
1037 'fontSize fontWeight height left letterSpacing lineHeight ' +
1038 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
1039 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
1040 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
1041 'right textIndent top width wordSpacing zIndex');
1042
1043Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
1044
1045String.__parseStyleElement = document.createElement('div');
1046String.prototype.parseStyle = function(){
1047 var style, styleRules = $H();
1048 if (Prototype.Browser.WebKit)
1049 style = new Element('div',{style:this}).style;
1050 else {
1051 String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
1052 style = String.__parseStyleElement.childNodes[0].style;
1053 }
1054
1055 Element.CSS_PROPERTIES.each(function(property){
1056 if (style[property]) styleRules.set(property, style[property]);
1057 });
1058
1059 if (Prototype.Browser.IE && this.include('opacity'))
1060 styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
1061
1062 return styleRules;
1063};
1064
1065if (document.defaultView && document.defaultView.getComputedStyle) {
1066 Element.getStyles = function(element) {
1067 var css = document.defaultView.getComputedStyle($(element), null);
1068 return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
1069 styles[property] = css[property];
1070 return styles;
1071 });
1072 };
1073} else {
1074 Element.getStyles = function(element) {
1075 element = $(element);
1076 var css = element.currentStyle, styles;
1077 styles = Element.CSS_PROPERTIES.inject({ }, function(hash, property) {
1078 hash.set(property, css[property]);
1079 return hash;
1080 });
1081 if (!styles.opacity) styles.set('opacity', element.getOpacity());
1082 return styles;
1083 };
1084};
1085
1086Effect.Methods = {
1087 morph: function(element, style) {
1088 element = $(element);
1089 new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
1090 return element;
1091 },
1092 visualEffect: function(element, effect, options) {
1093 element = $(element)
1094 var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
1095 new Effect[klass](element, options);
1096 return element;
1097 },
1098 highlight: function(element, options) {
1099 element = $(element);
1100 new Effect.Highlight(element, options);
1101 return element;
1102 }
1103};
1104
1105$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
1106 'pulsate shake puff squish switchOff dropOut').each(
1107 function(effect) {
1108 Effect.Methods[effect] = function(element, options){
1109 element = $(element);
1110 Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
1111 return element;
1112 }
1113 }
1114);
1115
1116$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
1117 function(f) { Effect.Methods[f] = Element[f]; }
1118);
1119
1120Element.addMethods(Effect.Methods);
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