/public/effects.js

http://github.com/mtravers/wuwei · JavaScript · 1121 lines · 1014 code · 83 blank · 24 comment · 156 complexity · 5b233f9dbd14a380f6c74afb775c91f3 MD5 · raw file

  1. // Copyright (c) 2005-2010 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. // converts rgb() and #xxx to #xxxxxx format,
  10. // returns self (or first argument) if not convertable
  11. String.prototype.parseColor = function() {
  12. var color = '#';
  13. if (this.slice(0,4) == 'rgb(') {
  14. var cols = this.slice(4,this.length-1).split(',');
  15. var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
  16. } else {
  17. if (this.slice(0,1) == '#') {
  18. if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
  19. if (this.length==7) color = this.toLowerCase();
  20. }
  21. }
  22. return (color.length==7 ? color : (arguments[0] || this));
  23. };
  24. /*--------------------------------------------------------------------------*/
  25. Element.collectTextNodes = function(element) {
  26. return $A($(element).childNodes).collect( function(node) {
  27. return (node.nodeType==3 ? node.nodeValue :
  28. (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
  29. }).flatten().join('');
  30. };
  31. Element.collectTextNodesIgnoreClass = function(element, className) {
  32. return $A($(element).childNodes).collect( function(node) {
  33. return (node.nodeType==3 ? node.nodeValue :
  34. ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
  35. Element.collectTextNodesIgnoreClass(node, className) : ''));
  36. }).flatten().join('');
  37. };
  38. Element.setContentZoom = function(element, percent) {
  39. element = $(element);
  40. element.setStyle({fontSize: (percent/100) + 'em'});
  41. if (Prototype.Browser.WebKit) window.scrollBy(0,0);
  42. return element;
  43. };
  44. Element.getInlineOpacity = function(element){
  45. return $(element).style.opacity || '';
  46. };
  47. Element.forceRerendering = function(element) {
  48. try {
  49. element = $(element);
  50. var n = document.createTextNode(' ');
  51. element.appendChild(n);
  52. element.removeChild(n);
  53. } catch(e) { }
  54. };
  55. /*--------------------------------------------------------------------------*/
  56. var Effect = {
  57. _elementDoesNotExistError: {
  58. name: 'ElementDoesNotExistError',
  59. message: 'The specified DOM element does not exist, but is required for this effect to operate'
  60. },
  61. Transitions: {
  62. linear: Prototype.K,
  63. sinoidal: function(pos) {
  64. return (-Math.cos(pos*Math.PI)/2) + .5;
  65. },
  66. reverse: function(pos) {
  67. return 1-pos;
  68. },
  69. flicker: function(pos) {
  70. var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
  71. return pos > 1 ? 1 : pos;
  72. },
  73. wobble: function(pos) {
  74. return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
  75. },
  76. pulse: function(pos, pulses) {
  77. return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
  78. },
  79. spring: function(pos) {
  80. return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
  81. },
  82. none: function(pos) {
  83. return 0;
  84. },
  85. full: function(pos) {
  86. return 1;
  87. }
  88. },
  89. DefaultOptions: {
  90. duration: 1.0, // seconds
  91. fps: 100, // 100= assume 66fps max.
  92. sync: false, // true for combining
  93. from: 0.0,
  94. to: 1.0,
  95. delay: 0.0,
  96. queue: 'parallel'
  97. },
  98. tagifyText: function(element) {
  99. var tagifyStyle = 'position:relative';
  100. if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
  101. element = $(element);
  102. $A(element.childNodes).each( function(child) {
  103. if (child.nodeType==3) {
  104. child.nodeValue.toArray().each( function(character) {
  105. element.insertBefore(
  106. new Element('span', {style: tagifyStyle}).update(
  107. character == ' ' ? String.fromCharCode(160) : character),
  108. child);
  109. });
  110. Element.remove(child);
  111. }
  112. });
  113. },
  114. multiple: function(element, effect) {
  115. var elements;
  116. if (((typeof element == 'object') ||
  117. Object.isFunction(element)) &&
  118. (element.length))
  119. elements = element;
  120. else
  121. elements = $(element).childNodes;
  122. var options = Object.extend({
  123. speed: 0.1,
  124. delay: 0.0
  125. }, arguments[2] || { });
  126. var masterDelay = options.delay;
  127. $A(elements).each( function(element, index) {
  128. new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
  129. });
  130. },
  131. PAIRS: {
  132. 'slide': ['SlideDown','SlideUp'],
  133. 'blind': ['BlindDown','BlindUp'],
  134. 'appear': ['Appear','Fade']
  135. },
  136. toggle: function(element, effect, options) {
  137. element = $(element);
  138. effect = (effect || 'appear').toLowerCase();
  139. return Effect[ Effect.PAIRS[ effect ][ element.visible() ? 1 : 0 ] ](element, Object.extend({
  140. queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
  141. }, options || {}));
  142. }
  143. };
  144. Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
  145. /* ------------- core effects ------------- */
  146. Effect.ScopedQueue = Class.create(Enumerable, {
  147. initialize: function() {
  148. this.effects = [];
  149. this.interval = null;
  150. },
  151. _each: function(iterator) {
  152. this.effects._each(iterator);
  153. },
  154. add: function(effect) {
  155. var timestamp = new Date().getTime();
  156. var position = Object.isString(effect.options.queue) ?
  157. effect.options.queue : effect.options.queue.position;
  158. switch(position) {
  159. case 'front':
  160. // move unstarted effects after this effect
  161. this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
  162. e.startOn += effect.finishOn;
  163. e.finishOn += effect.finishOn;
  164. });
  165. break;
  166. case 'with-last':
  167. timestamp = this.effects.pluck('startOn').max() || timestamp;
  168. break;
  169. case 'end':
  170. // start effect after last queued effect has finished
  171. timestamp = this.effects.pluck('finishOn').max() || timestamp;
  172. break;
  173. }
  174. effect.startOn += timestamp;
  175. effect.finishOn += timestamp;
  176. if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
  177. this.effects.push(effect);
  178. if (!this.interval)
  179. this.interval = setInterval(this.loop.bind(this), 15);
  180. },
  181. remove: function(effect) {
  182. this.effects = this.effects.reject(function(e) { return e==effect });
  183. if (this.effects.length == 0) {
  184. clearInterval(this.interval);
  185. this.interval = null;
  186. }
  187. },
  188. loop: function() {
  189. var timePos = new Date().getTime();
  190. for(var i=0, len=this.effects.length;i<len;i++)
  191. this.effects[i] && this.effects[i].loop(timePos);
  192. }
  193. });
  194. Effect.Queues = {
  195. instances: $H(),
  196. get: function(queueName) {
  197. if (!Object.isString(queueName)) return queueName;
  198. return this.instances.get(queueName) ||
  199. this.instances.set(queueName, new Effect.ScopedQueue());
  200. }
  201. };
  202. Effect.Queue = Effect.Queues.get('global');
  203. Effect.Base = Class.create({
  204. position: null,
  205. start: function(options) {
  206. if (options && options.transition === false) options.transition = Effect.Transitions.linear;
  207. this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
  208. this.currentFrame = 0;
  209. this.state = 'idle';
  210. this.startOn = this.options.delay*1000;
  211. this.finishOn = this.startOn+(this.options.duration*1000);
  212. this.fromToDelta = this.options.to-this.options.from;
  213. this.totalTime = this.finishOn-this.startOn;
  214. this.totalFrames = this.options.fps*this.options.duration;
  215. this.render = (function() {
  216. function dispatch(effect, eventName) {
  217. if (effect.options[eventName + 'Internal'])
  218. effect.options[eventName + 'Internal'](effect);
  219. if (effect.options[eventName])
  220. effect.options[eventName](effect);
  221. }
  222. return function(pos) {
  223. if (this.state === "idle") {
  224. this.state = "running";
  225. dispatch(this, 'beforeSetup');
  226. if (this.setup) this.setup();
  227. dispatch(this, 'afterSetup');
  228. }
  229. if (this.state === "running") {
  230. pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
  231. this.position = pos;
  232. dispatch(this, 'beforeUpdate');
  233. if (this.update) this.update(pos);
  234. dispatch(this, 'afterUpdate');
  235. }
  236. };
  237. })();
  238. this.event('beforeStart');
  239. if (!this.options.sync)
  240. Effect.Queues.get(Object.isString(this.options.queue) ?
  241. 'global' : this.options.queue.scope).add(this);
  242. },
  243. loop: function(timePos) {
  244. if (timePos >= this.startOn) {
  245. if (timePos >= this.finishOn) {
  246. this.render(1.0);
  247. this.cancel();
  248. this.event('beforeFinish');
  249. if (this.finish) this.finish();
  250. this.event('afterFinish');
  251. return;
  252. }
  253. var pos = (timePos - this.startOn) / this.totalTime,
  254. frame = (pos * this.totalFrames).round();
  255. if (frame > this.currentFrame) {
  256. this.render(pos);
  257. this.currentFrame = frame;
  258. }
  259. }
  260. },
  261. cancel: function() {
  262. if (!this.options.sync)
  263. Effect.Queues.get(Object.isString(this.options.queue) ?
  264. 'global' : this.options.queue.scope).remove(this);
  265. this.state = 'finished';
  266. },
  267. event: function(eventName) {
  268. if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
  269. if (this.options[eventName]) this.options[eventName](this);
  270. },
  271. inspect: function() {
  272. var data = $H();
  273. for(property in this)
  274. if (!Object.isFunction(this[property])) data.set(property, this[property]);
  275. return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  276. }
  277. });
  278. Effect.Parallel = Class.create(Effect.Base, {
  279. initialize: function(effects) {
  280. this.effects = effects || [];
  281. this.start(arguments[1]);
  282. },
  283. update: function(position) {
  284. this.effects.invoke('render', position);
  285. },
  286. finish: function(position) {
  287. this.effects.each( function(effect) {
  288. effect.render(1.0);
  289. effect.cancel();
  290. effect.event('beforeFinish');
  291. if (effect.finish) effect.finish(position);
  292. effect.event('afterFinish');
  293. });
  294. }
  295. });
  296. Effect.Tween = Class.create(Effect.Base, {
  297. initialize: function(object, from, to) {
  298. object = Object.isString(object) ? $(object) : object;
  299. var args = $A(arguments), method = args.last(),
  300. options = args.length == 5 ? args[3] : null;
  301. this.method = Object.isFunction(method) ? method.bind(object) :
  302. Object.isFunction(object[method]) ? object[method].bind(object) :
  303. function(value) { object[method] = value };
  304. this.start(Object.extend({ from: from, to: to }, options || { }));
  305. },
  306. update: function(position) {
  307. this.method(position);
  308. }
  309. });
  310. Effect.Event = Class.create(Effect.Base, {
  311. initialize: function() {
  312. this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
  313. },
  314. update: Prototype.emptyFunction
  315. });
  316. Effect.Opacity = Class.create(Effect.Base, {
  317. initialize: function(element) {
  318. this.element = $(element);
  319. if (!this.element) throw(Effect._elementDoesNotExistError);
  320. // make this work on IE on elements without 'layout'
  321. if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
  322. this.element.setStyle({zoom: 1});
  323. var options = Object.extend({
  324. from: this.element.getOpacity() || 0.0,
  325. to: 1.0
  326. }, arguments[1] || { });
  327. this.start(options);
  328. },
  329. update: function(position) {
  330. this.element.setOpacity(position);
  331. }
  332. });
  333. Effect.Move = Class.create(Effect.Base, {
  334. initialize: function(element) {
  335. this.element = $(element);
  336. if (!this.element) throw(Effect._elementDoesNotExistError);
  337. var options = Object.extend({
  338. x: 0,
  339. y: 0,
  340. mode: 'relative'
  341. }, arguments[1] || { });
  342. this.start(options);
  343. },
  344. setup: function() {
  345. this.element.makePositioned();
  346. this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
  347. this.originalTop = parseFloat(this.element.getStyle('top') || '0');
  348. if (this.options.mode == 'absolute') {
  349. this.options.x = this.options.x - this.originalLeft;
  350. this.options.y = this.options.y - this.originalTop;
  351. }
  352. },
  353. update: function(position) {
  354. this.element.setStyle({
  355. left: (this.options.x * position + this.originalLeft).round() + 'px',
  356. top: (this.options.y * position + this.originalTop).round() + 'px'
  357. });
  358. }
  359. });
  360. // for backwards compatibility
  361. Effect.MoveBy = function(element, toTop, toLeft) {
  362. return new Effect.Move(element,
  363. Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
  364. };
  365. Effect.Scale = Class.create(Effect.Base, {
  366. initialize: function(element, percent) {
  367. this.element = $(element);
  368. if (!this.element) throw(Effect._elementDoesNotExistError);
  369. var options = Object.extend({
  370. scaleX: true,
  371. scaleY: true,
  372. scaleContent: true,
  373. scaleFromCenter: false,
  374. scaleMode: 'box', // 'box' or 'contents' or { } with provided values
  375. scaleFrom: 100.0,
  376. scaleTo: percent
  377. }, arguments[2] || { });
  378. this.start(options);
  379. },
  380. setup: function() {
  381. this.restoreAfterFinish = this.options.restoreAfterFinish || false;
  382. this.elementPositioning = this.element.getStyle('position');
  383. this.originalStyle = { };
  384. ['top','left','width','height','fontSize'].each( function(k) {
  385. this.originalStyle[k] = this.element.style[k];
  386. }.bind(this));
  387. this.originalTop = this.element.offsetTop;
  388. this.originalLeft = this.element.offsetLeft;
  389. var fontSize = this.element.getStyle('font-size') || '100%';
  390. ['em','px','%','pt'].each( function(fontSizeType) {
  391. if (fontSize.indexOf(fontSizeType)>0) {
  392. this.fontSize = parseFloat(fontSize);
  393. this.fontSizeType = fontSizeType;
  394. }
  395. }.bind(this));
  396. this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
  397. this.dims = null;
  398. if (this.options.scaleMode=='box')
  399. this.dims = [this.element.offsetHeight, this.element.offsetWidth];
  400. if (/^content/.test(this.options.scaleMode))
  401. this.dims = [this.element.scrollHeight, this.element.scrollWidth];
  402. if (!this.dims)
  403. this.dims = [this.options.scaleMode.originalHeight,
  404. this.options.scaleMode.originalWidth];
  405. },
  406. update: function(position) {
  407. var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
  408. if (this.options.scaleContent && this.fontSize)
  409. this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
  410. this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
  411. },
  412. finish: function(position) {
  413. if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
  414. },
  415. setDimensions: function(height, width) {
  416. var d = { };
  417. if (this.options.scaleX) d.width = width.round() + 'px';
  418. if (this.options.scaleY) d.height = height.round() + 'px';
  419. if (this.options.scaleFromCenter) {
  420. var topd = (height - this.dims[0])/2;
  421. var leftd = (width - this.dims[1])/2;
  422. if (this.elementPositioning == 'absolute') {
  423. if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
  424. if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
  425. } else {
  426. if (this.options.scaleY) d.top = -topd + 'px';
  427. if (this.options.scaleX) d.left = -leftd + 'px';
  428. }
  429. }
  430. this.element.setStyle(d);
  431. }
  432. });
  433. Effect.Highlight = Class.create(Effect.Base, {
  434. initialize: function(element) {
  435. this.element = $(element);
  436. if (!this.element) throw(Effect._elementDoesNotExistError);
  437. var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
  438. this.start(options);
  439. },
  440. setup: function() {
  441. // Prevent executing on elements not in the layout flow
  442. if (this.element.getStyle('display')=='none') { this.cancel(); return; }
  443. // Disable background image during the effect
  444. this.oldStyle = { };
  445. if (!this.options.keepBackgroundImage) {
  446. this.oldStyle.backgroundImage = this.element.getStyle('background-image');
  447. this.element.setStyle({backgroundImage: 'none'});
  448. }
  449. if (!this.options.endcolor)
  450. this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
  451. if (!this.options.restorecolor)
  452. this.options.restorecolor = this.element.getStyle('background-color');
  453. // init color calculations
  454. this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
  455. 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));
  456. },
  457. update: function(position) {
  458. this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
  459. return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  460. },
  461. finish: function() {
  462. this.element.setStyle(Object.extend(this.oldStyle, {
  463. backgroundColor: this.options.restorecolor
  464. }));
  465. }
  466. });
  467. Effect.ScrollTo = function(element) {
  468. var options = arguments[1] || { },
  469. scrollOffsets = document.viewport.getScrollOffsets(),
  470. elementOffsets = $(element).cumulativeOffset();
  471. if (options.offset) elementOffsets[1] += options.offset;
  472. return new Effect.Tween(null,
  473. scrollOffsets.top,
  474. elementOffsets[1],
  475. options,
  476. function(p){ scrollTo(scrollOffsets.left, p.round()); }
  477. );
  478. };
  479. /* ------------- combination effects ------------- */
  480. Effect.Fade = function(element) {
  481. element = $(element);
  482. var oldOpacity = element.getInlineOpacity();
  483. var options = Object.extend({
  484. from: element.getOpacity() || 1.0,
  485. to: 0.0,
  486. afterFinishInternal: function(effect) {
  487. if (effect.options.to!=0) return;
  488. effect.element.hide().setStyle({opacity: oldOpacity});
  489. }
  490. }, arguments[1] || { });
  491. return new Effect.Opacity(element,options);
  492. };
  493. Effect.Appear = function(element) {
  494. element = $(element);
  495. var options = Object.extend({
  496. from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
  497. to: 1.0,
  498. // force Safari to render floated elements properly
  499. afterFinishInternal: function(effect) {
  500. effect.element.forceRerendering();
  501. },
  502. beforeSetup: function(effect) {
  503. effect.element.setOpacity(effect.options.from).show();
  504. }}, arguments[1] || { });
  505. return new Effect.Opacity(element,options);
  506. };
  507. Effect.Puff = function(element) {
  508. element = $(element);
  509. var oldStyle = {
  510. opacity: element.getInlineOpacity(),
  511. position: element.getStyle('position'),
  512. top: element.style.top,
  513. left: element.style.left,
  514. width: element.style.width,
  515. height: element.style.height
  516. };
  517. return new Effect.Parallel(
  518. [ new Effect.Scale(element, 200,
  519. { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
  520. new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
  521. Object.extend({ duration: 1.0,
  522. beforeSetupInternal: function(effect) {
  523. Position.absolutize(effect.effects[0].element);
  524. },
  525. afterFinishInternal: function(effect) {
  526. effect.effects[0].element.hide().setStyle(oldStyle); }
  527. }, arguments[1] || { })
  528. );
  529. };
  530. Effect.BlindUp = function(element) {
  531. element = $(element);
  532. element.makeClipping();
  533. return new Effect.Scale(element, 0,
  534. Object.extend({ scaleContent: false,
  535. scaleX: false,
  536. restoreAfterFinish: true,
  537. afterFinishInternal: function(effect) {
  538. effect.element.hide().undoClipping();
  539. }
  540. }, arguments[1] || { })
  541. );
  542. };
  543. Effect.BlindDown = function(element) {
  544. element = $(element);
  545. var elementDimensions = element.getDimensions();
  546. return new Effect.Scale(element, 100, Object.extend({
  547. scaleContent: false,
  548. scaleX: false,
  549. scaleFrom: 0,
  550. scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
  551. restoreAfterFinish: true,
  552. afterSetup: function(effect) {
  553. effect.element.makeClipping().setStyle({height: '0px'}).show();
  554. },
  555. afterFinishInternal: function(effect) {
  556. effect.element.undoClipping();
  557. }
  558. }, arguments[1] || { }));
  559. };
  560. Effect.SwitchOff = function(element) {
  561. element = $(element);
  562. var oldOpacity = element.getInlineOpacity();
  563. return new Effect.Appear(element, Object.extend({
  564. duration: 0.4,
  565. from: 0,
  566. transition: Effect.Transitions.flicker,
  567. afterFinishInternal: function(effect) {
  568. new Effect.Scale(effect.element, 1, {
  569. duration: 0.3, scaleFromCenter: true,
  570. scaleX: false, scaleContent: false, restoreAfterFinish: true,
  571. beforeSetup: function(effect) {
  572. effect.element.makePositioned().makeClipping();
  573. },
  574. afterFinishInternal: function(effect) {
  575. effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
  576. }
  577. });
  578. }
  579. }, arguments[1] || { }));
  580. };
  581. Effect.DropOut = function(element) {
  582. element = $(element);
  583. var oldStyle = {
  584. top: element.getStyle('top'),
  585. left: element.getStyle('left'),
  586. opacity: element.getInlineOpacity() };
  587. return new Effect.Parallel(
  588. [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
  589. new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
  590. Object.extend(
  591. { duration: 0.5,
  592. beforeSetup: function(effect) {
  593. effect.effects[0].element.makePositioned();
  594. },
  595. afterFinishInternal: function(effect) {
  596. effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
  597. }
  598. }, arguments[1] || { }));
  599. };
  600. Effect.Shake = function(element) {
  601. element = $(element);
  602. var options = Object.extend({
  603. distance: 20,
  604. duration: 0.5
  605. }, arguments[1] || {});
  606. var distance = parseFloat(options.distance);
  607. var split = parseFloat(options.duration) / 10.0;
  608. var oldStyle = {
  609. top: element.getStyle('top'),
  610. left: element.getStyle('left') };
  611. return new Effect.Move(element,
  612. { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) {
  613. new Effect.Move(effect.element,
  614. { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
  615. new Effect.Move(effect.element,
  616. { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
  617. new Effect.Move(effect.element,
  618. { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
  619. new Effect.Move(effect.element,
  620. { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
  621. new Effect.Move(effect.element,
  622. { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
  623. effect.element.undoPositioned().setStyle(oldStyle);
  624. }}); }}); }}); }}); }}); }});
  625. };
  626. Effect.SlideDown = function(element) {
  627. element = $(element).cleanWhitespace();
  628. // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  629. var oldInnerBottom = element.down().getStyle('bottom');
  630. var elementDimensions = element.getDimensions();
  631. return new Effect.Scale(element, 100, Object.extend({
  632. scaleContent: false,
  633. scaleX: false,
  634. scaleFrom: window.opera ? 0 : 1,
  635. scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
  636. restoreAfterFinish: true,
  637. afterSetup: function(effect) {
  638. effect.element.makePositioned();
  639. effect.element.down().makePositioned();
  640. if (window.opera) effect.element.setStyle({top: ''});
  641. effect.element.makeClipping().setStyle({height: '0px'}).show();
  642. },
  643. afterUpdateInternal: function(effect) {
  644. effect.element.down().setStyle({bottom:
  645. (effect.dims[0] - effect.element.clientHeight) + 'px' });
  646. },
  647. afterFinishInternal: function(effect) {
  648. effect.element.undoClipping().undoPositioned();
  649. effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
  650. }, arguments[1] || { })
  651. );
  652. };
  653. Effect.SlideUp = function(element) {
  654. element = $(element).cleanWhitespace();
  655. var oldInnerBottom = element.down().getStyle('bottom');
  656. var elementDimensions = element.getDimensions();
  657. return new Effect.Scale(element, window.opera ? 0 : 1,
  658. Object.extend({ scaleContent: false,
  659. scaleX: false,
  660. scaleMode: 'box',
  661. scaleFrom: 100,
  662. scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
  663. restoreAfterFinish: true,
  664. afterSetup: function(effect) {
  665. effect.element.makePositioned();
  666. effect.element.down().makePositioned();
  667. if (window.opera) effect.element.setStyle({top: ''});
  668. effect.element.makeClipping().show();
  669. },
  670. afterUpdateInternal: function(effect) {
  671. effect.element.down().setStyle({bottom:
  672. (effect.dims[0] - effect.element.clientHeight) + 'px' });
  673. },
  674. afterFinishInternal: function(effect) {
  675. effect.element.hide().undoClipping().undoPositioned();
  676. effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
  677. }
  678. }, arguments[1] || { })
  679. );
  680. };
  681. // Bug in opera makes the TD containing this element expand for a instance after finish
  682. Effect.Squish = function(element) {
  683. return new Effect.Scale(element, window.opera ? 1 : 0, {
  684. restoreAfterFinish: true,
  685. beforeSetup: function(effect) {
  686. effect.element.makeClipping();
  687. },
  688. afterFinishInternal: function(effect) {
  689. effect.element.hide().undoClipping();
  690. }
  691. });
  692. };
  693. Effect.Grow = function(element) {
  694. element = $(element);
  695. var options = Object.extend({
  696. direction: 'center',
  697. moveTransition: Effect.Transitions.sinoidal,
  698. scaleTransition: Effect.Transitions.sinoidal,
  699. opacityTransition: Effect.Transitions.full
  700. }, arguments[1] || { });
  701. var oldStyle = {
  702. top: element.style.top,
  703. left: element.style.left,
  704. height: element.style.height,
  705. width: element.style.width,
  706. opacity: element.getInlineOpacity() };
  707. var dims = element.getDimensions();
  708. var initialMoveX, initialMoveY;
  709. var moveX, moveY;
  710. switch (options.direction) {
  711. case 'top-left':
  712. initialMoveX = initialMoveY = moveX = moveY = 0;
  713. break;
  714. case 'top-right':
  715. initialMoveX = dims.width;
  716. initialMoveY = moveY = 0;
  717. moveX = -dims.width;
  718. break;
  719. case 'bottom-left':
  720. initialMoveX = moveX = 0;
  721. initialMoveY = dims.height;
  722. moveY = -dims.height;
  723. break;
  724. case 'bottom-right':
  725. initialMoveX = dims.width;
  726. initialMoveY = dims.height;
  727. moveX = -dims.width;
  728. moveY = -dims.height;
  729. break;
  730. case 'center':
  731. initialMoveX = dims.width / 2;
  732. initialMoveY = dims.height / 2;
  733. moveX = -dims.width / 2;
  734. moveY = -dims.height / 2;
  735. break;
  736. }
  737. return new Effect.Move(element, {
  738. x: initialMoveX,
  739. y: initialMoveY,
  740. duration: 0.01,
  741. beforeSetup: function(effect) {
  742. effect.element.hide().makeClipping().makePositioned();
  743. },
  744. afterFinishInternal: function(effect) {
  745. new Effect.Parallel(
  746. [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
  747. new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
  748. new Effect.Scale(effect.element, 100, {
  749. scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
  750. sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
  751. ], Object.extend({
  752. beforeSetup: function(effect) {
  753. effect.effects[0].element.setStyle({height: '0px'}).show();
  754. },
  755. afterFinishInternal: function(effect) {
  756. effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
  757. }
  758. }, options)
  759. );
  760. }
  761. });
  762. };
  763. Effect.Shrink = function(element) {
  764. element = $(element);
  765. var options = Object.extend({
  766. direction: 'center',
  767. moveTransition: Effect.Transitions.sinoidal,
  768. scaleTransition: Effect.Transitions.sinoidal,
  769. opacityTransition: Effect.Transitions.none
  770. }, arguments[1] || { });
  771. var oldStyle = {
  772. top: element.style.top,
  773. left: element.style.left,
  774. height: element.style.height,
  775. width: element.style.width,
  776. opacity: element.getInlineOpacity() };
  777. var dims = element.getDimensions();
  778. var moveX, moveY;
  779. switch (options.direction) {
  780. case 'top-left':
  781. moveX = moveY = 0;
  782. break;
  783. case 'top-right':
  784. moveX = dims.width;
  785. moveY = 0;
  786. break;
  787. case 'bottom-left':
  788. moveX = 0;
  789. moveY = dims.height;
  790. break;
  791. case 'bottom-right':
  792. moveX = dims.width;
  793. moveY = dims.height;
  794. break;
  795. case 'center':
  796. moveX = dims.width / 2;
  797. moveY = dims.height / 2;
  798. break;
  799. }
  800. return new Effect.Parallel(
  801. [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
  802. new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
  803. new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
  804. ], Object.extend({
  805. beforeStartInternal: function(effect) {
  806. effect.effects[0].element.makePositioned().makeClipping();
  807. },
  808. afterFinishInternal: function(effect) {
  809. effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
  810. }, options)
  811. );
  812. };
  813. Effect.Pulsate = function(element) {
  814. element = $(element);
  815. var options = arguments[1] || { },
  816. oldOpacity = element.getInlineOpacity(),
  817. transition = options.transition || Effect.Transitions.linear,
  818. reverser = function(pos){
  819. return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
  820. };
  821. return new Effect.Opacity(element,
  822. Object.extend(Object.extend({ duration: 2.0, from: 0,
  823. afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
  824. }, options), {transition: reverser}));
  825. };
  826. Effect.Fold = function(element) {
  827. element = $(element);
  828. var oldStyle = {
  829. top: element.style.top,
  830. left: element.style.left,
  831. width: element.style.width,
  832. height: element.style.height };
  833. element.makeClipping();
  834. return new Effect.Scale(element, 5, Object.extend({
  835. scaleContent: false,
  836. scaleX: false,
  837. afterFinishInternal: function(effect) {
  838. new Effect.Scale(element, 1, {
  839. scaleContent: false,
  840. scaleY: false,
  841. afterFinishInternal: function(effect) {
  842. effect.element.hide().undoClipping().setStyle(oldStyle);
  843. } });
  844. }}, arguments[1] || { }));
  845. };
  846. Effect.Morph = Class.create(Effect.Base, {
  847. initialize: function(element) {
  848. this.element = $(element);
  849. if (!this.element) throw(Effect._elementDoesNotExistError);
  850. var options = Object.extend({
  851. style: { }
  852. }, arguments[1] || { });
  853. if (!Object.isString(options.style)) this.style = $H(options.style);
  854. else {
  855. if (options.style.include(':'))
  856. this.style = options.style.parseStyle();
  857. else {
  858. this.element.addClassName(options.style);
  859. this.style = $H(this.element.getStyles());
  860. this.element.removeClassName(options.style);
  861. var css = this.element.getStyles();
  862. this.style = this.style.reject(function(style) {
  863. return style.value == css[style.key];
  864. });
  865. options.afterFinishInternal = function(effect) {
  866. effect.element.addClassName(effect.options.style);
  867. effect.transforms.each(function(transform) {
  868. effect.element.style[transform.style] = '';
  869. });
  870. };
  871. }
  872. }
  873. this.start(options);
  874. },
  875. setup: function(){
  876. function parseColor(color){
  877. if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
  878. color = color.parseColor();
  879. return $R(0,2).map(function(i){
  880. return parseInt( color.slice(i*2+1,i*2+3), 16 );
  881. });
  882. }
  883. this.transforms = this.style.map(function(pair){
  884. var property = pair[0], value = pair[1], unit = null;
  885. if (value.parseColor('#zzzzzz') != '#zzzzzz') {
  886. value = value.parseColor();
  887. unit = 'color';
  888. } else if (property == 'opacity') {
  889. value = parseFloat(value);
  890. if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
  891. this.element.setStyle({zoom: 1});
  892. } else if (Element.CSS_LENGTH.test(value)) {
  893. var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
  894. value = parseFloat(components[1]);
  895. unit = (components.length == 3) ? components[2] : null;
  896. }
  897. var originalValue = this.element.getStyle(property);
  898. return {
  899. style: property.camelize(),
  900. originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
  901. targetValue: unit=='color' ? parseColor(value) : value,
  902. unit: unit
  903. };
  904. }.bind(this)).reject(function(transform){
  905. return (
  906. (transform.originalValue == transform.targetValue) ||
  907. (
  908. transform.unit != 'color' &&
  909. (isNaN(transform.originalValue) || isNaN(transform.targetValue))
  910. )
  911. );
  912. });
  913. },
  914. update: function(position) {
  915. var style = { }, transform, i = this.transforms.length;
  916. while(i--)
  917. style[(transform = this.transforms[i]).style] =
  918. transform.unit=='color' ? '#'+
  919. (Math.round(transform.originalValue[0]+
  920. (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
  921. (Math.round(transform.originalValue[1]+
  922. (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
  923. (Math.round(transform.originalValue[2]+
  924. (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
  925. (transform.originalValue +
  926. (transform.targetValue - transform.originalValue) * position).toFixed(3) +
  927. (transform.unit === null ? '' : transform.unit);
  928. this.element.setStyle(style, true);
  929. }
  930. });
  931. Effect.Transform = Class.create({
  932. initialize: function(tracks){
  933. this.tracks = [];
  934. this.options = arguments[1] || { };
  935. this.addTracks(tracks);
  936. },
  937. addTracks: function(tracks){
  938. tracks.each(function(track){
  939. track = $H(track);
  940. var data = track.values().first();
  941. this.tracks.push($H({
  942. ids: track.keys().first(),
  943. effect: Effect.Morph,
  944. options: { style: data }
  945. }));
  946. }.bind(this));
  947. return this;
  948. },
  949. play: function(){
  950. return new Effect.Parallel(
  951. this.tracks.map(function(track){
  952. var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
  953. var elements = [$(ids) || $$(ids)].flatten();
  954. return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
  955. }).flatten(),
  956. this.options
  957. );
  958. }
  959. });
  960. Element.CSS_PROPERTIES = $w(
  961. 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
  962. 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  963. 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  964. 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  965. 'fontSize fontWeight height left letterSpacing lineHeight ' +
  966. 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
  967. 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  968. 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  969. 'right textIndent top width wordSpacing zIndex');
  970. Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
  971. String.__parseStyleElement = document.createElement('div');
  972. String.prototype.parseStyle = function(){
  973. var style, styleRules = $H();
  974. if (Prototype.Browser.WebKit)
  975. style = new Element('div',{style:this}).style;
  976. else {
  977. String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
  978. style = String.__parseStyleElement.childNodes[0].style;
  979. }
  980. Element.CSS_PROPERTIES.each(function(property){
  981. if (style[property]) styleRules.set(property, style[property]);
  982. });
  983. if (Prototype.Browser.IE && this.include('opacity'))
  984. styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
  985. return styleRules;
  986. };
  987. if (document.defaultView && document.defaultView.getComputedStyle) {
  988. Element.getStyles = function(element) {
  989. var css = document.defaultView.getComputedStyle($(element), null);
  990. return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
  991. styles[property] = css[property];
  992. return styles;
  993. });
  994. };
  995. } else {
  996. Element.getStyles = function(element) {
  997. element = $(element);
  998. var css = element.currentStyle, styles;
  999. styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
  1000. results[property] = css[property];
  1001. return results;
  1002. });
  1003. if (!styles.opacity) styles.opacity = element.getOpacity();
  1004. return styles;
  1005. };
  1006. }
  1007. Effect.Methods = {
  1008. morph: function(element, style) {
  1009. element = $(element);
  1010. new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
  1011. return element;
  1012. },
  1013. visualEffect: function(element, effect, options) {
  1014. element = $(element);
  1015. var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
  1016. new Effect[klass](element, options);
  1017. return element;
  1018. },
  1019. highlight: function(element, options) {
  1020. element = $(element);
  1021. new Effect.Highlight(element, options);
  1022. return element;
  1023. }
  1024. };
  1025. $w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  1026. 'pulsate shake puff squish switchOff dropOut').each(
  1027. function(effect) {
  1028. Effect.Methods[effect] = function(element, options){
  1029. element = $(element);
  1030. Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
  1031. return element;
  1032. };
  1033. }
  1034. );
  1035. $w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
  1036. function(f) { Effect.Methods[f] = Element[f]; }
  1037. );
  1038. Element.addMethods(Effect.Methods);