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comparison: dom/tests/mochitest/ajax/scriptaculous/src/effects.js

dom/tests/mochitest/ajax/scriptaculous/src/effects.js

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1 // script.aculo.us effects.js v1.7.1_beta2, Tue May 15 15:15:45 EDT 2007
2
3 // Copyright (c) 2005-2007 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/
11
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 }
27
28 /*--------------------------------------------------------------------------*/
29
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 }
36
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 }
44
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 }
51
52 Element.getInlineOpacity = function(element){
53 return $(element).style.opacity || '';
54 }
55
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 };
64
65 /*--------------------------------------------------------------------------*/
66
67 Array.prototype.call = function() {
68 var args = arguments;
69 this.each(function(f){ f.apply(this, args) });
70 }
71
72 /*--------------------------------------------------------------------------*/
73
74 var Effect = {
75 _elementDoesNotExistError: {
76 name: 'ElementDoesNotExistError',
77 message: 'The specified DOM element does not exist, but is required for this effect to operate'
78 },
79 tagifyText: function(element) {
80 if(typeof Builder == 'undefined')
81 throw("Effect.tagifyText requires including script.aculo.us' builder.js library");
82
83 var tagifyStyle = 'position:relative';
84 if(Prototype.Browser.IE) tagifyStyle += ';zoom:1';
85
86 element = $(element);
87 $A(element.childNodes).each( function(child) {
88 if(child.nodeType==3) {
89 child.nodeValue.toArray().each( function(character) {
90 element.insertBefore(
91 Builder.node('span',{style: tagifyStyle},
92 character == ' ' ? String.fromCharCode(160) : character),
93 child);
94 });
95 Element.remove(child);
96 }
97 });
98 },
99 multiple: function(element, effect) {
100 var elements;
101 if(((typeof element == 'object') ||
102 (typeof element == 'function')) &&
103 (element.length))
104 elements = element;
105 else
106 elements = $(element).childNodes;
107
108 var options = Object.extend({
109 speed: 0.1,
110 delay: 0.0
111 }, arguments[2] || {});
112 var masterDelay = options.delay;
113
114 $A(elements).each( function(element, index) {
115 new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
116 });
117 },
118 PAIRS: {
119 'slide': ['SlideDown','SlideUp'],
120 'blind': ['BlindDown','BlindUp'],
121 'appear': ['Appear','Fade']
122 },
123 toggle: function(element, effect) {
124 element = $(element);
125 effect = (effect || 'appear').toLowerCase();
126 var options = Object.extend({
127 queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
128 }, arguments[2] || {});
129 Effect[element.visible() ?
130 Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
131 }
132 };
133
134 var Effect2 = Effect; // deprecated
135
136 /* ------------- transitions ------------- */
137
138 Effect.Transitions = {
139 linear: Prototype.K,
140 sinoidal: function(pos) {
141 return (-Math.cos(pos*Math.PI)/2) + 0.5;
142 },
143 reverse: function(pos) {
144 return 1-pos;
145 },
146 flicker: function(pos) {
147 var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
148 return (pos > 1 ? 1 : pos);
149 },
150 wobble: function(pos) {
151 return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
152 },
153 pulse: function(pos, pulses) {
154 pulses = pulses || 5;
155 return (
156 Math.round((pos % (1/pulses)) * pulses) == 0 ?
157 ((pos * pulses * 2) - Math.floor(pos * pulses * 2)) :
158 1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))
159 );
160 },
161 none: function(pos) {
162 return 0;
163 },
164 full: function(pos) {
165 return 1;
166 }
167 };
168
169 /* ------------- core effects ------------- */
170
171 Effect.ScopedQueue = Class.create();
172 Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
173 initialize: function() {
174 this.effects = [];
175 this.interval = null;
176 },
177 _each: function(iterator) {
178 this.effects._each(iterator);
179 },
180 add: function(effect) {
181 var timestamp = new Date().getTime();
182
183 var position = (typeof effect.options.queue == 'string') ?
184 effect.options.queue : effect.options.queue.position;
185
186 switch(position) {
187 case 'front':
188 // move unstarted effects after this effect
189 this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
190 e.startOn += effect.finishOn;
191 e.finishOn += effect.finishOn;
192 });
193 break;
194 case 'with-last':
195 timestamp = this.effects.pluck('startOn').max() || timestamp;
196 break;
197 case 'end':
198 // start effect after last queued effect has finished
199 timestamp = this.effects.pluck('finishOn').max() || timestamp;
200 break;
201 }
202
203 effect.startOn += timestamp;
204 effect.finishOn += timestamp;
205
206 if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
207 this.effects.push(effect);
208
209 if(!this.interval)
210 this.interval = setInterval(this.loop.bind(this), 15);
211 },
212 remove: function(effect) {
213 this.effects = this.effects.reject(function(e) { return e==effect });
214 if(this.effects.length == 0) {
215 clearInterval(this.interval);
216 this.interval = null;
217 }
218 },
219 loop: function() {
220 var timePos = new Date().getTime();
221 for(var i=0, len=this.effects.length;i<len;i++)
222 this.effects[i] && this.effects[i].loop(timePos);
223 }
224 });
225
226 Effect.Queues = {
227 instances: $H(),
228 get: function(queueName) {
229 if(typeof queueName != 'string') return queueName;
230
231 if(!this.instances[queueName])
232 this.instances[queueName] = new Effect.ScopedQueue();
233
234 return this.instances[queueName];
235 }
236 }
237 Effect.Queue = Effect.Queues.get('global');
238
239 Effect.DefaultOptions = {
240 transition: Effect.Transitions.sinoidal,
241 duration: 1.0, // seconds
242 fps: 100, // 100= assume 66fps max.
243 sync: false, // true for combining
244 from: 0.0,
245 to: 1.0,
246 delay: 0.0,
247 queue: 'parallel'
248 }
249
250 Effect.Base = function() {};
251 Effect.Base.prototype = {
252 position: null,
253 start: function(options) {
254 function codeForEvent(options,eventName){
255 return (
256 (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
257 (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
258 );
259 }
260 if(options.transition === false) options.transition = Effect.Transitions.linear;
261 this.options = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
262 this.currentFrame = 0;
263 this.state = 'idle';
264 this.startOn = this.options.delay*1000;
265 this.finishOn = this.startOn+(this.options.duration*1000);
266 this.fromToDelta = this.options.to-this.options.from;
267 this.totalTime = this.finishOn-this.startOn;
268 this.totalFrames = this.options.fps*this.options.duration;
269
270 eval('this.render = function(pos){ '+
271 'if(this.state=="idle"){this.state="running";'+
272 codeForEvent(options,'beforeSetup')+
273 (this.setup ? 'this.setup();':'')+
274 codeForEvent(options,'afterSetup')+
275 '};if(this.state=="running"){'+
276 'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
277 'this.position=pos;'+
278 codeForEvent(options,'beforeUpdate')+
279 (this.update ? 'this.update(pos);':'')+
280 codeForEvent(options,'afterUpdate')+
281 '}}');
282
283 this.event('beforeStart');
284 if(!this.options.sync)
285 Effect.Queues.get(typeof this.options.queue == 'string' ?
286 'global' : this.options.queue.scope).add(this);
287 },
288 loop: function(timePos) {
289 if(timePos >= this.startOn) {
290 if(timePos >= this.finishOn) {
291 this.render(1.0);
292 this.cancel();
293 this.event('beforeFinish');
294 if(this.finish) this.finish();
295 this.event('afterFinish');
296 return;
297 }
298 var pos = (timePos - this.startOn) / this.totalTime,
299 frame = Math.round(pos * this.totalFrames);
300 if(frame > this.currentFrame) {
301 this.render(pos);
302 this.currentFrame = frame;
303 }
304 }
305 },
306 cancel: function() {
307 if(!this.options.sync)
308 Effect.Queues.get(typeof this.options.queue == 'string' ?
309 'global' : this.options.queue.scope).remove(this);
310 this.state = 'finished';
311 },
312 event: function(eventName) {
313 if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
314 if(this.options[eventName]) this.options[eventName](this);
315 },
316 inspect: function() {
317 var data = $H();
318 for(property in this)
319 if(typeof this[property] != 'function') data[property] = this[property];
320 return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
321 }
322 }
323
324 Effect.Parallel = Class.create();
325 Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
326 initialize: function(effects) {
327 this.effects = effects || [];
328 this.start(arguments[1]);
329 },
330 update: function(position) {
331 this.effects.invoke('render', position);
332 },
333 finish: function(position) {
334 this.effects.each( function(effect) {
335 effect.render(1.0);
336 effect.cancel();
337 effect.event('beforeFinish');
338 if(effect.finish) effect.finish(position);
339 effect.event('afterFinish');
340 });
341 }
342 });
343
344 Effect.Event = Class.create();
345 Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {
346 initialize: function() {
347 var options = Object.extend({
348 duration: 0
349 }, arguments[0] || {});
350 this.start(options);
351 },
352 update: Prototype.emptyFunction
353 });
354
355 Effect.Opacity = Class.create();
356 Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
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 });
373
374 Effect.Move = Class.create();
375 Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
376 initialize: function(element) {
377 this.element = $(element);
378 if(!this.element) throw(Effect._elementDoesNotExistError);
379 var options = Object.extend({
380 x: 0,
381 y: 0,
382 mode: 'relative'
383 }, arguments[1] || {});
384 this.start(options);
385 },
386 setup: function() {
387 // Bug in Opera: Opera returns the "real" position of a static element or
388 // relative element that does not have top/left explicitly set.
389 // ==> Always set top and left for position relative elements in your stylesheets
390 // (to 0 if you do not need them)
391 this.element.makePositioned();
392 this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
393 this.originalTop = parseFloat(this.element.getStyle('top') || '0');
394 if(this.options.mode == 'absolute') {
395 // absolute movement, so we need to calc deltaX and deltaY
396 this.options.x = this.options.x - this.originalLeft;
397 this.options.y = this.options.y - this.originalTop;
398 }
399 },
400 update: function(position) {
401 this.element.setStyle({
402 left: Math.round(this.options.x * position + this.originalLeft) + 'px',
403 top: Math.round(this.options.y * position + this.originalTop) + 'px'
404 });
405 }
406 });
407
408 // for backwards compatibility
409 Effect.MoveBy = function(element, toTop, toLeft) {
410 return new Effect.Move(element,
411 Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
412 };
413
414 Effect.Scale = Class.create();
415 Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
416 initialize: function(element, percent) {
417 this.element = $(element);
418 if(!this.element) throw(Effect._elementDoesNotExistError);
419 var options = Object.extend({
420 scaleX: true,
421 scaleY: true,
422 scaleContent: true,
423 scaleFromCenter: false,
424 scaleMode: 'box', // 'box' or 'contents' or {} with provided values
425 scaleFrom: 100.0,
426 scaleTo: percent
427 }, arguments[2] || {});
428 this.start(options);
429 },
430 setup: function() {
431 this.restoreAfterFinish = this.options.restoreAfterFinish || false;
432 this.elementPositioning = this.element.getStyle('position');
433
434 this.originalStyle = {};
435 ['top','left','width','height','fontSize'].each( function(k) {
436 this.originalStyle[k] = this.element.style[k];
437 }.bind(this));
438
439 this.originalTop = this.element.offsetTop;
440 this.originalLeft = this.element.offsetLeft;
441
442 var fontSize = this.element.getStyle('font-size') || '100%';
443 ['em','px','%','pt'].each( function(fontSizeType) {
444 if(fontSize.indexOf(fontSizeType)>0) {
445 this.fontSize = parseFloat(fontSize);
446 this.fontSizeType = fontSizeType;
447 }
448 }.bind(this));
449
450 this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
451
452 this.dims = null;
453 if(this.options.scaleMode=='box')
454 this.dims = [this.element.offsetHeight, this.element.offsetWidth];
455 if(/^content/.test(this.options.scaleMode))
456 this.dims = [this.element.scrollHeight, this.element.scrollWidth];
457 if(!this.dims)
458 this.dims = [this.options.scaleMode.originalHeight,
459 this.options.scaleMode.originalWidth];
460 },
461 update: function(position) {
462 var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
463 if(this.options.scaleContent && this.fontSize)
464 this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
465 this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
466 },
467 finish: function(position) {
468 if(this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
469 },
470 setDimensions: function(height, width) {
471 var d = {};
472 if(this.options.scaleX) d.width = Math.round(width) + 'px';
473 if(this.options.scaleY) d.height = Math.round(height) + 'px';
474 if(this.options.scaleFromCenter) {
475 var topd = (height - this.dims[0])/2;
476 var leftd = (width - this.dims[1])/2;
477 if(this.elementPositioning == 'absolute') {
478 if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
479 if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
480 } else {
481 if(this.options.scaleY) d.top = -topd + 'px';
482 if(this.options.scaleX) d.left = -leftd + 'px';
483 }
484 }
485 this.element.setStyle(d);
486 }
487 });
488
489 Effect.Highlight = Class.create();
490 Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
491 initialize: function(element) {
492 this.element = $(element);
493 if(!this.element) throw(Effect._elementDoesNotExistError);
494 var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
495 this.start(options);
496 },
497 setup: function() {
498 // Prevent executing on elements not in the layout flow
499 if(this.element.getStyle('display')=='none') { this.cancel(); return; }
500 // Disable background image during the effect
501 this.oldStyle = {};
502 if (!this.options.keepBackgroundImage) {
503 this.oldStyle.backgroundImage = this.element.getStyle('background-image');
504 this.element.setStyle({backgroundImage: 'none'});
505 }
506 if(!this.options.endcolor)
507 this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
508 if(!this.options.restorecolor)
509 this.options.restorecolor = this.element.getStyle('background-color');
510 // init color calculations
511 this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
512 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));
513 },
514 update: function(position) {
515 this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
516 return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
517 },
518 finish: function() {
519 this.element.setStyle(Object.extend(this.oldStyle, {
520 backgroundColor: this.options.restorecolor
521 }));
522 }
523 });
524
525 Effect.ScrollTo = Class.create();
526 Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
527 initialize: function(element) {
528 this.element = $(element);
529 this.start(arguments[1] || {});
530 },
531 setup: function() {
532 Position.prepare();
533 var offsets = Position.cumulativeOffset(this.element);
534 if(this.options.offset) offsets[1] += this.options.offset;
535 var max = window.innerHeight ?
536 window.height - window.innerHeight :
537 document.body.scrollHeight -
538 (document.documentElement.clientHeight ?
539 document.documentElement.clientHeight : document.body.clientHeight);
540 this.scrollStart = Position.deltaY;
541 this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
542 },
543 update: function(position) {
544 Position.prepare();
545 window.scrollTo(Position.deltaX,
546 this.scrollStart + (position*this.delta));
547 }
548 });
549
550 /* ------------- combination effects ------------- */
551
552 Effect.Fade = function(element) {
553 element = $(element);
554 var oldOpacity = element.getInlineOpacity();
555 var options = Object.extend({
556 from: element.getOpacity() || 1.0,
557 to: 0.0,
558 afterFinishInternal: function(effect) {
559 if(effect.options.to!=0) return;
560 effect.element.hide().setStyle({opacity: oldOpacity});
561 }}, arguments[1] || {});
562 return new Effect.Opacity(element,options);
563 }
564
565 Effect.Appear = function(element) {
566 element = $(element);
567 var options = Object.extend({
568 from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
569 to: 1.0,
570 // force Safari to render floated elements properly
571 afterFinishInternal: function(effect) {
572 effect.element.forceRerendering();
573 },
574 beforeSetup: function(effect) {
575 effect.element.setOpacity(effect.options.from).show();
576 }}, arguments[1] || {});
577 return new Effect.Opacity(element,options);
578 }
579
580 Effect.Puff = function(element) {
581 element = $(element);
582 var oldStyle = {
583 opacity: element.getInlineOpacity(),
584 position: element.getStyle('position'),
585 top: element.style.top,
586 left: element.style.left,
587 width: element.style.width,
588 height: element.style.height
589 };
590 return new Effect.Parallel(
591 [ new Effect.Scale(element, 200,
592 { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
593 new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
594 Object.extend({ duration: 1.0,
595 beforeSetupInternal: function(effect) {
596 Position.absolutize(effect.effects[0].element)
597 },
598 afterFinishInternal: function(effect) {
599 effect.effects[0].element.hide().setStyle(oldStyle); }
600 }, arguments[1] || {})
601 );
602 }
603
604 Effect.BlindUp = function(element) {
605 element = $(element);
606 element.makeClipping();
607 return new Effect.Scale(element, 0,
608 Object.extend({ scaleContent: false,
609 scaleX: false,
610 restoreAfterFinish: true,
611 afterFinishInternal: function(effect) {
612 effect.element.hide().undoClipping();
613 }
614 }, arguments[1] || {})
615 );
616 }
617
618 Effect.BlindDown = function(element) {
619 element = $(element);
620 var elementDimensions = element.getDimensions();
621 return new Effect.Scale(element, 100, Object.extend({
622 scaleContent: false,
623 scaleX: false,
624 scaleFrom: 0,
625 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
626 restoreAfterFinish: true,
627 afterSetup: function(effect) {
628 effect.element.makeClipping().setStyle({height: '0px'}).show();
629 },
630 afterFinishInternal: function(effect) {
631 effect.element.undoClipping();
632 }
633 }, arguments[1] || {}));
634 }
635
636 Effect.SwitchOff = function(element) {
637 element = $(element);
638 var oldOpacity = element.getInlineOpacity();
639 return new Effect.Appear(element, Object.extend({
640 duration: 0.4,
641 from: 0,
642 transition: Effect.Transitions.flicker,
643 afterFinishInternal: function(effect) {
644 new Effect.Scale(effect.element, 1, {
645 duration: 0.3, scaleFromCenter: true,
646 scaleX: false, scaleContent: false, restoreAfterFinish: true,
647 beforeSetup: function(effect) {
648 effect.element.makePositioned().makeClipping();
649 },
650 afterFinishInternal: function(effect) {
651 effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
652 }
653 })
654 }
655 }, arguments[1] || {}));
656 }
657
658 Effect.DropOut = function(element) {
659 element = $(element);
660 var oldStyle = {
661 top: element.getStyle('top'),
662 left: element.getStyle('left'),
663 opacity: element.getInlineOpacity() };
664 return new Effect.Parallel(
665 [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
666 new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
667 Object.extend(
668 { duration: 0.5,
669 beforeSetup: function(effect) {
670 effect.effects[0].element.makePositioned();
671 },
672 afterFinishInternal: function(effect) {
673 effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
674 }
675 }, arguments[1] || {}));
676 }
677
678 Effect.Shake = function(element) {
679 element = $(element);
680 var oldStyle = {
681 top: element.getStyle('top'),
682 left: element.getStyle('left') };
683 return new Effect.Move(element,
684 { x: 20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
685 new Effect.Move(effect.element,
686 { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
687 new Effect.Move(effect.element,
688 { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
689 new Effect.Move(effect.element,
690 { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
691 new Effect.Move(effect.element,
692 { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
693 new Effect.Move(effect.element,
694 { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
695 effect.element.undoPositioned().setStyle(oldStyle);
696 }}) }}) }}) }}) }}) }});
697 }
698
699 Effect.SlideDown = function(element) {
700 element = $(element).cleanWhitespace();
701 // SlideDown need to have the content of the element wrapped in a container element with fixed height!
702 var oldInnerBottom = element.down().getStyle('bottom');
703 var elementDimensions = element.getDimensions();
704 return new Effect.Scale(element, 100, Object.extend({
705 scaleContent: false,
706 scaleX: false,
707 scaleFrom: window.opera ? 0 : 1,
708 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
709 restoreAfterFinish: true,
710 afterSetup: function(effect) {
711 effect.element.makePositioned();
712 effect.element.down().makePositioned();
713 if(window.opera) effect.element.setStyle({top: ''});
714 effect.element.makeClipping().setStyle({height: '0px'}).show();
715 },
716 afterUpdateInternal: function(effect) {
717 effect.element.down().setStyle({bottom:
718 (effect.dims[0] - effect.element.clientHeight) + 'px' });
719 },
720 afterFinishInternal: function(effect) {
721 effect.element.undoClipping().undoPositioned();
722 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
723 }, arguments[1] || {})
724 );
725 }
726
727 Effect.SlideUp = function(element) {
728 element = $(element).cleanWhitespace();
729 var oldInnerBottom = element.down().getStyle('bottom');
730 return new Effect.Scale(element, window.opera ? 0 : 1,
731 Object.extend({ scaleContent: false,
732 scaleX: false,
733 scaleMode: 'box',
734 scaleFrom: 100,
735 restoreAfterFinish: true,
736 beforeStartInternal: function(effect) {
737 effect.element.makePositioned();
738 effect.element.down().makePositioned();
739 if(window.opera) effect.element.setStyle({top: ''});
740 effect.element.makeClipping().show();
741 },
742 afterUpdateInternal: function(effect) {
743 effect.element.down().setStyle({bottom:
744 (effect.dims[0] - effect.element.clientHeight) + 'px' });
745 },
746 afterFinishInternal: function(effect) {
747 effect.element.hide().undoClipping().undoPositioned().setStyle({bottom: oldInnerBottom});
748 effect.element.down().undoPositioned();
749 }
750 }, arguments[1] || {})
751 );
752 }
753
754 // Bug in opera makes the TD containing this element expand for a instance after finish
755 Effect.Squish = function(element) {
756 return new Effect.Scale(element, window.opera ? 1 : 0, {
757 restoreAfterFinish: true,
758 beforeSetup: function(effect) {
759 effect.element.makeClipping();
760 },
761 afterFinishInternal: function(effect) {
762 effect.element.hide().undoClipping();
763 }
764 });
765 }
766
767 Effect.Grow = function(element) {
768 element = $(element);
769 var options = Object.extend({
770 direction: 'center',
771 moveTransition: Effect.Transitions.sinoidal,
772 scaleTransition: Effect.Transitions.sinoidal,
773 opacityTransition: Effect.Transitions.full
774 }, arguments[1] || {});
775 var oldStyle = {
776 top: element.style.top,
777 left: element.style.left,
778 height: element.style.height,
779 width: element.style.width,
780 opacity: element.getInlineOpacity() };
781
782 var dims = element.getDimensions();
783 var initialMoveX, initialMoveY;
784 var moveX, moveY;
785
786 switch (options.direction) {
787 case 'top-left':
788 initialMoveX = initialMoveY = moveX = moveY = 0;
789 break;
790 case 'top-right':
791 initialMoveX = dims.width;
792 initialMoveY = moveY = 0;
793 moveX = -dims.width;
794 break;
795 case 'bottom-left':
796 initialMoveX = moveX = 0;
797 initialMoveY = dims.height;
798 moveY = -dims.height;
799 break;
800 case 'bottom-right':
801 initialMoveX = dims.width;
802 initialMoveY = dims.height;
803 moveX = -dims.width;
804 moveY = -dims.height;
805 break;
806 case 'center':
807 initialMoveX = dims.width / 2;
808 initialMoveY = dims.height / 2;
809 moveX = -dims.width / 2;
810 moveY = -dims.height / 2;
811 break;
812 }
813
814 return new Effect.Move(element, {
815 x: initialMoveX,
816 y: initialMoveY,
817 duration: 0.01,
818 beforeSetup: function(effect) {
819 effect.element.hide().makeClipping().makePositioned();
820 },
821 afterFinishInternal: function(effect) {
822 new Effect.Parallel(
823 [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
824 new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
825 new Effect.Scale(effect.element, 100, {
826 scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
827 sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
828 ], Object.extend({
829 beforeSetup: function(effect) {
830 effect.effects[0].element.setStyle({height: '0px'}).show();
831 },
832 afterFinishInternal: function(effect) {
833 effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
834 }
835 }, options)
836 )
837 }
838 });
839 }
840
841 Effect.Shrink = function(element) {
842 element = $(element);
843 var options = Object.extend({
844 direction: 'center',
845 moveTransition: Effect.Transitions.sinoidal,
846 scaleTransition: Effect.Transitions.sinoidal,
847 opacityTransition: Effect.Transitions.none
848 }, arguments[1] || {});
849 var oldStyle = {
850 top: element.style.top,
851 left: element.style.left,
852 height: element.style.height,
853 width: element.style.width,
854 opacity: element.getInlineOpacity() };
855
856 var dims = element.getDimensions();
857 var moveX, moveY;
858
859 switch (options.direction) {
860 case 'top-left':
861 moveX = moveY = 0;
862 break;
863 case 'top-right':
864 moveX = dims.width;
865 moveY = 0;
866 break;
867 case 'bottom-left':
868 moveX = 0;
869 moveY = dims.height;
870 break;
871 case 'bottom-right':
872 moveX = dims.width;
873 moveY = dims.height;
874 break;
875 case 'center':
876 moveX = dims.width / 2;
877 moveY = dims.height / 2;
878 break;
879 }
880
881 return new Effect.Parallel(
882 [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
883 new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
884 new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
885 ], Object.extend({
886 beforeStartInternal: function(effect) {
887 effect.effects[0].element.makePositioned().makeClipping();
888 },
889 afterFinishInternal: function(effect) {
890 effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
891 }, options)
892 );
893 }
894
895 Effect.Pulsate = function(element) {
896 element = $(element);
897 var options = arguments[1] || {};
898 var oldOpacity = element.getInlineOpacity();
899 var transition = options.transition || Effect.Transitions.sinoidal;
900 var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
901 reverser.bind(transition);
902 return new Effect.Opacity(element,
903 Object.extend(Object.extend({ duration: 2.0, from: 0,
904 afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
905 }, options), {transition: reverser}));
906 }
907
908 Effect.Fold = function(element) {
909 element = $(element);
910 var oldStyle = {
911 top: element.style.top,
912 left: element.style.left,
913 width: element.style.width,
914 height: element.style.height };
915 element.makeClipping();
916 return new Effect.Scale(element, 5, Object.extend({
917 scaleContent: false,
918 scaleX: false,
919 afterFinishInternal: function(effect) {
920 new Effect.Scale(element, 1, {
921 scaleContent: false,
922 scaleY: false,
923 afterFinishInternal: function(effect) {
924 effect.element.hide().undoClipping().setStyle(oldStyle);
925 } });
926 }}, arguments[1] || {}));
927 };
928
929 Effect.Morph = Class.create();
930 Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {
931 initialize: function(element) {
932 this.element = $(element);
933 if(!this.element) throw(Effect._elementDoesNotExistError);
934 var options = Object.extend({
935 style: {}
936 }, arguments[1] || {});
937 if (typeof options.style == 'string') {
938 if(options.style.indexOf(':') == -1) {
939 var cssText = '', selector = '.' + options.style;
940 $A(document.styleSheets).reverse().each(function(styleSheet) {
941 if (styleSheet.cssRules) cssRules = styleSheet.cssRules;
942 else if (styleSheet.rules) cssRules = styleSheet.rules;
943 $A(cssRules).reverse().each(function(rule) {
944 if (selector == rule.selectorText) {
945 cssText = rule.style.cssText;
946 throw $break;
947 }
948 });
949 if (cssText) throw $break;
950 });
951 this.style = cssText.parseStyle();
952 options.afterFinishInternal = function(effect){
953 effect.element.addClassName(effect.options.style);
954 effect.transforms.each(function(transform) {
955 if(transform.style != 'opacity')
956 effect.element.style[transform.style] = '';
957 });
958 }
959 } else this.style = options.style.parseStyle();
960 } else this.style = $H(options.style)
961 this.start(options);
962 },
963 setup: function(){
964 function parseColor(color){
965 if(!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
966 color = color.parseColor();
967 return $R(0,2).map(function(i){
968 return parseInt( color.slice(i*2+1,i*2+3), 16 )
969 });
970 }
971 this.transforms = this.style.map(function(pair){
972 var property = pair[0], value = pair[1], unit = null;
973
974 if(value.parseColor('#zzzzzz') != '#zzzzzz') {
975 value = value.parseColor();
976 unit = 'color';
977 } else if(property == 'opacity') {
978 value = parseFloat(value);
979 if(Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
980 this.element.setStyle({zoom: 1});
981 } else if(Element.CSS_LENGTH.test(value)) {
982 var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
983 value = parseFloat(components[1]);
984 unit = (components.length == 3) ? components[2] : null;
985 }
986
987 var originalValue = this.element.getStyle(property);
988 return {
989 style: property.camelize(),
990 originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
991 targetValue: unit=='color' ? parseColor(value) : value,
992 unit: unit
993 };
994 }.bind(this)).reject(function(transform){
995 return (
996 (transform.originalValue == transform.targetValue) ||
997 (
998 transform.unit != 'color' &&
999 (isNaN(transform.originalValue) || isNaN(transform.targetValue))
1000 )
1001 )
1002 });
1003 },
1004 update: function(position) {
1005 var style = {}, transform, i = this.transforms.length;
1006 while(i--)
1007 style[(transform = this.transforms[i]).style] =
1008 transform.unit=='color' ? '#'+
1009 (Math.round(transform.originalValue[0]+
1010 (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
1011 (Math.round(transform.originalValue[1]+
1012 (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
1013 (Math.round(transform.originalValue[2]+
1014 (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
1015 transform.originalValue + Math.round(
1016 ((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;
1017 this.element.setStyle(style, true);
1018 }
1019 });
1020
1021 Effect.Transform = Class.create();
1022 Object.extend(Effect.Transform.prototype, {
1023 initialize: function(tracks){
1024 this.tracks = [];
1025 this.options = arguments[1] || {};
1026 this.addTracks(tracks);
1027 },
1028 addTracks: function(tracks){
1029 tracks.each(function(track){
1030 var data = $H(track).values().first();
1031 this.tracks.push($H({
1032 ids: $H(track).keys().first(),
1033 effect: Effect.Morph,
1034 options: { style: data }
1035 }));
1036 }.bind(this));
1037 return this;
1038 },
1039 play: function(){
1040 return new Effect.Parallel(
1041 this.tracks.map(function(track){
1042 var elements = [$(track.ids) || $$(track.ids)].flatten();
1043 return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
1044 }).flatten(),
1045 this.options
1046 );
1047 }
1048 });
1049
1050 Element.CSS_PROPERTIES = $w(
1051 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
1052 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
1053 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
1054 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
1055 'fontSize fontWeight height left letterSpacing lineHeight ' +
1056 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
1057 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
1058 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
1059 'right textIndent top width wordSpacing zIndex');
1060
1061 Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
1062
1063 String.prototype.parseStyle = function(){
1064 var element = document.createElement('div');
1065 element.innerHTML = '<div style="' + this + '"></div>';
1066 var style = element.childNodes[0].style, styleRules = $H();
1067
1068 Element.CSS_PROPERTIES.each(function(property){
1069 if(style[property]) styleRules[property] = style[property];
1070 });
1071 if(Prototype.Browser.IE && this.indexOf('opacity') > -1) {
1072 styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];
1073 }
1074 return styleRules;
1075 };
1076
1077 Element.morph = function(element, style) {
1078 new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));
1079 return element;
1080 };
1081
1082 ['getInlineOpacity','forceRerendering','setContentZoom',
1083 'collectTextNodes','collectTextNodesIgnoreClass','morph'].each(
1084 function(f) { Element.Methods[f] = Element[f]; }
1085 );
1086
1087 Element.Methods.visualEffect = function(element, effect, options) {
1088 s = effect.dasherize().camelize();
1089 effect_class = s.charAt(0).toUpperCase() + s.substring(1);
1090 new Effect[effect_class](element, options);
1091 return $(element);
1092 };
1093
1094 Element.addMethods();

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