effects.js
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上传日期:2022-07-22
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文件大小:38k
- // Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
- // Contributors:
- // Justin Palmer (http://encytemedia.com/)
- // Mark Pilgrim (http://diveintomark.org/)
- // Martin Bialasinki
- //
- // script.aculo.us is freely distributable under the terms of an MIT-style license.
- // For details, see the script.aculo.us web site: http://script.aculo.us/
- // converts rgb() and #xxx to #xxxxxx format,
- // returns self (or first argument) if not convertable
- String.prototype.parseColor = function() {
- var color = '#';
- if (this.slice(0,4) == 'rgb(') {
- var cols = this.slice(4,this.length-1).split(',');
- var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
- } else {
- if (this.slice(0,1) == '#') {
- if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
- if (this.length==7) color = this.toLowerCase();
- }
- }
- return (color.length==7 ? color : (arguments[0] || this));
- };
- /*--------------------------------------------------------------------------*/
- Element.collectTextNodes = function(element) {
- return $A($(element).childNodes).collect( function(node) {
- return (node.nodeType==3 ? node.nodeValue :
- (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
- }).flatten().join('');
- };
- Element.collectTextNodesIgnoreClass = function(element, className) {
- return $A($(element).childNodes).collect( function(node) {
- return (node.nodeType==3 ? node.nodeValue :
- ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
- Element.collectTextNodesIgnoreClass(node, className) : ''));
- }).flatten().join('');
- };
- Element.setContentZoom = function(element, percent) {
- element = $(element);
- element.setStyle({fontSize: (percent/100) + 'em'});
- if (Prototype.Browser.WebKit) window.scrollBy(0,0);
- return element;
- };
- Element.getInlineOpacity = function(element){
- return $(element).style.opacity || '';
- };
- Element.forceRerendering = function(element) {
- try {
- element = $(element);
- var n = document.createTextNode(' ');
- element.appendChild(n);
- element.removeChild(n);
- } catch(e) { }
- };
- /*--------------------------------------------------------------------------*/
- var Effect = {
- _elementDoesNotExistError: {
- name: 'ElementDoesNotExistError',
- message: 'The specified DOM element does not exist, but is required for this effect to operate'
- },
- Transitions: {
- linear: Prototype.K,
- sinoidal: function(pos) {
- return (-Math.cos(pos*Math.PI)/2) + .5;
- },
- reverse: function(pos) {
- return 1-pos;
- },
- flicker: function(pos) {
- var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
- return pos > 1 ? 1 : pos;
- },
- wobble: function(pos) {
- return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
- },
- pulse: function(pos, pulses) {
- return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
- },
- spring: function(pos) {
- return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
- },
- none: function(pos) {
- return 0;
- },
- full: function(pos) {
- return 1;
- }
- },
- DefaultOptions: {
- duration: 1.0, // seconds
- fps: 100, // 100= assume 66fps max.
- sync: false, // true for combining
- from: 0.0,
- to: 1.0,
- delay: 0.0,
- queue: 'parallel'
- },
- tagifyText: function(element) {
- var tagifyStyle = 'position:relative';
- if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
- element = $(element);
- $A(element.childNodes).each( function(child) {
- if (child.nodeType==3) {
- child.nodeValue.toArray().each( function(character) {
- element.insertBefore(
- new Element('span', {style: tagifyStyle}).update(
- character == ' ' ? String.fromCharCode(160) : character),
- child);
- });
- Element.remove(child);
- }
- });
- },
- multiple: function(element, effect) {
- var elements;
- if (((typeof element == 'object') ||
- Object.isFunction(element)) &&
- (element.length))
- elements = element;
- else
- elements = $(element).childNodes;
- var options = Object.extend({
- speed: 0.1,
- delay: 0.0
- }, arguments[2] || { });
- var masterDelay = options.delay;
- $A(elements).each( function(element, index) {
- new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
- });
- },
- PAIRS: {
- 'slide': ['SlideDown','SlideUp'],
- 'blind': ['BlindDown','BlindUp'],
- 'appear': ['Appear','Fade']
- },
- toggle: function(element, effect) {
- element = $(element);
- effect = (effect || 'appear').toLowerCase();
- var options = Object.extend({
- queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
- }, arguments[2] || { });
- Effect[element.visible() ?
- Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
- }
- };
- Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
- /* ------------- core effects ------------- */
- Effect.ScopedQueue = Class.create(Enumerable, {
- initialize: function() {
- this.effects = [];
- this.interval = null;
- },
- _each: function(iterator) {
- this.effects._each(iterator);
- },
- add: function(effect) {
- var timestamp = new Date().getTime();
- var position = Object.isString(effect.options.queue) ?
- effect.options.queue : effect.options.queue.position;
- switch(position) {
- case 'front':
- // move unstarted effects after this effect
- this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
- e.startOn += effect.finishOn;
- e.finishOn += effect.finishOn;
- });
- break;
- case 'with-last':
- timestamp = this.effects.pluck('startOn').max() || timestamp;
- break;
- case 'end':
- // start effect after last queued effect has finished
- timestamp = this.effects.pluck('finishOn').max() || timestamp;
- break;
- }
- effect.startOn += timestamp;
- effect.finishOn += timestamp;
- if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
- this.effects.push(effect);
- if (!this.interval)
- this.interval = setInterval(this.loop.bind(this), 15);
- },
- remove: function(effect) {
- this.effects = this.effects.reject(function(e) { return e==effect });
- if (this.effects.length == 0) {
- clearInterval(this.interval);
- this.interval = null;
- }
- },
- loop: function() {
- var timePos = new Date().getTime();
- for(var i=0, len=this.effects.length;i<len;i++)
- this.effects[i] && this.effects[i].loop(timePos);
- }
- });
- Effect.Queues = {
- instances: $H(),
- get: function(queueName) {
- if (!Object.isString(queueName)) return queueName;
- return this.instances.get(queueName) ||
- this.instances.set(queueName, new Effect.ScopedQueue());
- }
- };
- Effect.Queue = Effect.Queues.get('global');
- Effect.Base = Class.create({
- position: null,
- start: function(options) {
- function codeForEvent(options,eventName){
- return (
- (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
- (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
- );
- }
- if (options && options.transition === false) options.transition = Effect.Transitions.linear;
- this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
- this.currentFrame = 0;
- this.state = 'idle';
- this.startOn = this.options.delay*1000;
- this.finishOn = this.startOn+(this.options.duration*1000);
- this.fromToDelta = this.options.to-this.options.from;
- this.totalTime = this.finishOn-this.startOn;
- this.totalFrames = this.options.fps*this.options.duration;
- this.render = (function() {
- function dispatch(effect, eventName) {
- if (effect.options[eventName + 'Internal'])
- effect.options[eventName + 'Internal'](effect);
- if (effect.options[eventName])
- effect.options[eventName](effect);
- }
- return function(pos) {
- if (this.state === "idle") {
- this.state = "running";
- dispatch(this, 'beforeSetup');
- if (this.setup) this.setup();
- dispatch(this, 'afterSetup');
- }
- if (this.state === "running") {
- pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
- this.position = pos;
- dispatch(this, 'beforeUpdate');
- if (this.update) this.update(pos);
- dispatch(this, 'afterUpdate');
- }
- };
- })();
- this.event('beforeStart');
- if (!this.options.sync)
- Effect.Queues.get(Object.isString(this.options.queue) ?
- 'global' : this.options.queue.scope).add(this);
- },
- loop: function(timePos) {
- if (timePos >= this.startOn) {
- if (timePos >= this.finishOn) {
- this.render(1.0);
- this.cancel();
- this.event('beforeFinish');
- if (this.finish) this.finish();
- this.event('afterFinish');
- return;
- }
- var pos = (timePos - this.startOn) / this.totalTime,
- frame = (pos * this.totalFrames).round();
- if (frame > this.currentFrame) {
- this.render(pos);
- this.currentFrame = frame;
- }
- }
- },
- cancel: function() {
- if (!this.options.sync)
- Effect.Queues.get(Object.isString(this.options.queue) ?
- 'global' : this.options.queue.scope).remove(this);
- this.state = 'finished';
- },
- event: function(eventName) {
- if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
- if (this.options[eventName]) this.options[eventName](this);
- },
- inspect: function() {
- var data = $H();
- for(property in this)
- if (!Object.isFunction(this[property])) data.set(property, this[property]);
- return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
- }
- });
- Effect.Parallel = Class.create(Effect.Base, {
- initialize: function(effects) {
- this.effects = effects || [];
- this.start(arguments[1]);
- },
- update: function(position) {
- this.effects.invoke('render', position);
- },
- finish: function(position) {
- this.effects.each( function(effect) {
- effect.render(1.0);
- effect.cancel();
- effect.event('beforeFinish');
- if (effect.finish) effect.finish(position);
- effect.event('afterFinish');
- });
- }
- });
- Effect.Tween = Class.create(Effect.Base, {
- initialize: function(object, from, to) {
- object = Object.isString(object) ? $(object) : object;
- var args = $A(arguments), method = args.last(),
- options = args.length == 5 ? args[3] : null;
- this.method = Object.isFunction(method) ? method.bind(object) :
- Object.isFunction(object[method]) ? object[method].bind(object) :
- function(value) { object[method] = value };
- this.start(Object.extend({ from: from, to: to }, options || { }));
- },
- update: function(position) {
- this.method(position);
- }
- });
- Effect.Event = Class.create(Effect.Base, {
- initialize: function() {
- this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
- },
- update: Prototype.emptyFunction
- });
- Effect.Opacity = Class.create(Effect.Base, {
- initialize: function(element) {
- this.element = $(element);
- if (!this.element) throw(Effect._elementDoesNotExistError);
- // make this work on IE on elements without 'layout'
- if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
- this.element.setStyle({zoom: 1});
- var options = Object.extend({
- from: this.element.getOpacity() || 0.0,
- to: 1.0
- }, arguments[1] || { });
- this.start(options);
- },
- update: function(position) {
- this.element.setOpacity(position);
- }
- });
- Effect.Move = Class.create(Effect.Base, {
- initialize: function(element) {
- this.element = $(element);
- if (!this.element) throw(Effect._elementDoesNotExistError);
- var options = Object.extend({
- x: 0,
- y: 0,
- mode: 'relative'
- }, arguments[1] || { });
- this.start(options);
- },
- setup: function() {
- this.element.makePositioned();
- this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
- this.originalTop = parseFloat(this.element.getStyle('top') || '0');
- if (this.options.mode == 'absolute') {
- this.options.x = this.options.x - this.originalLeft;
- this.options.y = this.options.y - this.originalTop;
- }
- },
- update: function(position) {
- this.element.setStyle({
- left: (this.options.x * position + this.originalLeft).round() + 'px',
- top: (this.options.y * position + this.originalTop).round() + 'px'
- });
- }
- });
- // for backwards compatibility
- Effect.MoveBy = function(element, toTop, toLeft) {
- return new Effect.Move(element,
- Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
- };
- Effect.Scale = Class.create(Effect.Base, {
- initialize: function(element, percent) {
- this.element = $(element);
- if (!this.element) throw(Effect._elementDoesNotExistError);
- var options = Object.extend({
- scaleX: true,
- scaleY: true,
- scaleContent: true,
- scaleFromCenter: false,
- scaleMode: 'box', // 'box' or 'contents' or { } with provided values
- scaleFrom: 100.0,
- scaleTo: percent
- }, arguments[2] || { });
- this.start(options);
- },
- setup: function() {
- this.restoreAfterFinish = this.options.restoreAfterFinish || false;
- this.elementPositioning = this.element.getStyle('position');
- this.originalStyle = { };
- ['top','left','width','height','fontSize'].each( function(k) {
- this.originalStyle[k] = this.element.style[k];
- }.bind(this));
- this.originalTop = this.element.offsetTop;
- this.originalLeft = this.element.offsetLeft;
- var fontSize = this.element.getStyle('font-size') || '100%';
- ['em','px','%','pt'].each( function(fontSizeType) {
- if (fontSize.indexOf(fontSizeType)>0) {
- this.fontSize = parseFloat(fontSize);
- this.fontSizeType = fontSizeType;
- }
- }.bind(this));
- this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
- this.dims = null;
- if (this.options.scaleMode=='box')
- this.dims = [this.element.offsetHeight, this.element.offsetWidth];
- if (/^content/.test(this.options.scaleMode))
- this.dims = [this.element.scrollHeight, this.element.scrollWidth];
- if (!this.dims)
- this.dims = [this.options.scaleMode.originalHeight,
- this.options.scaleMode.originalWidth];
- },
- update: function(position) {
- var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
- if (this.options.scaleContent && this.fontSize)
- this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
- this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
- },
- finish: function(position) {
- if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
- },
- setDimensions: function(height, width) {
- var d = { };
- if (this.options.scaleX) d.width = width.round() + 'px';
- if (this.options.scaleY) d.height = height.round() + 'px';
- if (this.options.scaleFromCenter) {
- var topd = (height - this.dims[0])/2;
- var leftd = (width - this.dims[1])/2;
- if (this.elementPositioning == 'absolute') {
- if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
- if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
- } else {
- if (this.options.scaleY) d.top = -topd + 'px';
- if (this.options.scaleX) d.left = -leftd + 'px';
- }
- }
- this.element.setStyle(d);
- }
- });
- Effect.Highlight = Class.create(Effect.Base, {
- initialize: function(element) {
- this.element = $(element);
- if (!this.element) throw(Effect._elementDoesNotExistError);
- var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
- this.start(options);
- },
- setup: function() {
- // Prevent executing on elements not in the layout flow
- if (this.element.getStyle('display')=='none') { this.cancel(); return; }
- // Disable background image during the effect
- this.oldStyle = { };
- if (!this.options.keepBackgroundImage) {
- this.oldStyle.backgroundImage = this.element.getStyle('background-image');
- this.element.setStyle({backgroundImage: 'none'});
- }
- if (!this.options.endcolor)
- this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
- if (!this.options.restorecolor)
- this.options.restorecolor = this.element.getStyle('background-color');
- // init color calculations
- this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
- 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));
- },
- update: function(position) {
- this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
- return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
- },
- finish: function() {
- this.element.setStyle(Object.extend(this.oldStyle, {
- backgroundColor: this.options.restorecolor
- }));
- }
- });
- Effect.ScrollTo = function(element) {
- var options = arguments[1] || { },
- scrollOffsets = document.viewport.getScrollOffsets(),
- elementOffsets = $(element).cumulativeOffset();
- if (options.offset) elementOffsets[1] += options.offset;
- return new Effect.Tween(null,
- scrollOffsets.top,
- elementOffsets[1],
- options,
- function(p){ scrollTo(scrollOffsets.left, p.round()); }
- );
- };
- /* ------------- combination effects ------------- */
- Effect.Fade = function(element) {
- element = $(element);
- var oldOpacity = element.getInlineOpacity();
- var options = Object.extend({
- from: element.getOpacity() || 1.0,
- to: 0.0,
- afterFinishInternal: function(effect) {
- if (effect.options.to!=0) return;
- effect.element.hide().setStyle({opacity: oldOpacity});
- }
- }, arguments[1] || { });
- return new Effect.Opacity(element,options);
- };
- Effect.Appear = function(element) {
- element = $(element);
- var options = Object.extend({
- from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
- to: 1.0,
- // force Safari to render floated elements properly
- afterFinishInternal: function(effect) {
- effect.element.forceRerendering();
- },
- beforeSetup: function(effect) {
- effect.element.setOpacity(effect.options.from).show();
- }}, arguments[1] || { });
- return new Effect.Opacity(element,options);
- };
- Effect.Puff = function(element) {
- element = $(element);
- var oldStyle = {
- opacity: element.getInlineOpacity(),
- position: element.getStyle('position'),
- top: element.style.top,
- left: element.style.left,
- width: element.style.width,
- height: element.style.height
- };
- return new Effect.Parallel(
- [ new Effect.Scale(element, 200,
- { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
- new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
- Object.extend({ duration: 1.0,
- beforeSetupInternal: function(effect) {
- Position.absolutize(effect.effects[0].element);
- },
- afterFinishInternal: function(effect) {
- effect.effects[0].element.hide().setStyle(oldStyle); }
- }, arguments[1] || { })
- );
- };
- Effect.BlindUp = function(element) {
- element = $(element);
- element.makeClipping();
- return new Effect.Scale(element, 0,
- Object.extend({ scaleContent: false,
- scaleX: false,
- restoreAfterFinish: true,
- afterFinishInternal: function(effect) {
- effect.element.hide().undoClipping();
- }
- }, arguments[1] || { })
- );
- };
- Effect.BlindDown = function(element) {
- element = $(element);
- var elementDimensions = element.getDimensions();
- return new Effect.Scale(element, 100, Object.extend({
- scaleContent: false,
- scaleX: false,
- scaleFrom: 0,
- scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
- restoreAfterFinish: true,
- afterSetup: function(effect) {
- effect.element.makeClipping().setStyle({height: '0px'}).show();
- },
- afterFinishInternal: function(effect) {
- effect.element.undoClipping();
- }
- }, arguments[1] || { }));
- };
- Effect.SwitchOff = function(element) {
- element = $(element);
- var oldOpacity = element.getInlineOpacity();
- return new Effect.Appear(element, Object.extend({
- duration: 0.4,
- from: 0,
- transition: Effect.Transitions.flicker,
- afterFinishInternal: function(effect) {
- new Effect.Scale(effect.element, 1, {
- duration: 0.3, scaleFromCenter: true,
- scaleX: false, scaleContent: false, restoreAfterFinish: true,
- beforeSetup: function(effect) {
- effect.element.makePositioned().makeClipping();
- },
- afterFinishInternal: function(effect) {
- effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
- }
- });
- }
- }, arguments[1] || { }));
- };
- Effect.DropOut = function(element) {
- element = $(element);
- var oldStyle = {
- top: element.getStyle('top'),
- left: element.getStyle('left'),
- opacity: element.getInlineOpacity() };
- return new Effect.Parallel(
- [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
- new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
- Object.extend(
- { duration: 0.5,
- beforeSetup: function(effect) {
- effect.effects[0].element.makePositioned();
- },
- afterFinishInternal: function(effect) {
- effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
- }
- }, arguments[1] || { }));
- };
- Effect.Shake = function(element) {
- element = $(element);
- var options = Object.extend({
- distance: 20,
- duration: 0.5
- }, arguments[1] || {});
- var distance = parseFloat(options.distance);
- var split = parseFloat(options.duration) / 10.0;
- var oldStyle = {
- top: element.getStyle('top'),
- left: element.getStyle('left') };
- return new Effect.Move(element,
- { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) {
- new Effect.Move(effect.element,
- { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
- new Effect.Move(effect.element,
- { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
- new Effect.Move(effect.element,
- { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
- new Effect.Move(effect.element,
- { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) {
- new Effect.Move(effect.element,
- { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
- effect.element.undoPositioned().setStyle(oldStyle);
- }}); }}); }}); }}); }}); }});
- };
- Effect.SlideDown = function(element) {
- element = $(element).cleanWhitespace();
- // SlideDown need to have the content of the element wrapped in a container element with fixed height!
- var oldInnerBottom = element.down().getStyle('bottom');
- var elementDimensions = element.getDimensions();
- return new Effect.Scale(element, 100, Object.extend({
- scaleContent: false,
- scaleX: false,
- scaleFrom: window.opera ? 0 : 1,
- scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
- restoreAfterFinish: true,
- afterSetup: function(effect) {
- effect.element.makePositioned();
- effect.element.down().makePositioned();
- if (window.opera) effect.element.setStyle({top: ''});
- effect.element.makeClipping().setStyle({height: '0px'}).show();
- },
- afterUpdateInternal: function(effect) {
- effect.element.down().setStyle({bottom:
- (effect.dims[0] - effect.element.clientHeight) + 'px' });
- },
- afterFinishInternal: function(effect) {
- effect.element.undoClipping().undoPositioned();
- effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
- }, arguments[1] || { })
- );
- };
- Effect.SlideUp = function(element) {
- element = $(element).cleanWhitespace();
- var oldInnerBottom = element.down().getStyle('bottom');
- var elementDimensions = element.getDimensions();
- return new Effect.Scale(element, window.opera ? 0 : 1,
- Object.extend({ scaleContent: false,
- scaleX: false,
- scaleMode: 'box',
- scaleFrom: 100,
- scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
- restoreAfterFinish: true,
- afterSetup: function(effect) {
- effect.element.makePositioned();
- effect.element.down().makePositioned();
- if (window.opera) effect.element.setStyle({top: ''});
- effect.element.makeClipping().show();
- },
- afterUpdateInternal: function(effect) {
- effect.element.down().setStyle({bottom:
- (effect.dims[0] - effect.element.clientHeight) + 'px' });
- },
- afterFinishInternal: function(effect) {
- effect.element.hide().undoClipping().undoPositioned();
- effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
- }
- }, arguments[1] || { })
- );
- };
- // Bug in opera makes the TD containing this element expand for a instance after finish
- Effect.Squish = function(element) {
- return new Effect.Scale(element, window.opera ? 1 : 0, {
- restoreAfterFinish: true,
- beforeSetup: function(effect) {
- effect.element.makeClipping();
- },
- afterFinishInternal: function(effect) {
- effect.element.hide().undoClipping();
- }
- });
- };
- Effect.Grow = function(element) {
- element = $(element);
- var options = Object.extend({
- direction: 'center',
- moveTransition: Effect.Transitions.sinoidal,
- scaleTransition: Effect.Transitions.sinoidal,
- opacityTransition: Effect.Transitions.full
- }, arguments[1] || { });
- var oldStyle = {
- top: element.style.top,
- left: element.style.left,
- height: element.style.height,
- width: element.style.width,
- opacity: element.getInlineOpacity() };
- var dims = element.getDimensions();
- var initialMoveX, initialMoveY;
- var moveX, moveY;
- switch (options.direction) {
- case 'top-left':
- initialMoveX = initialMoveY = moveX = moveY = 0;
- break;
- case 'top-right':
- initialMoveX = dims.width;
- initialMoveY = moveY = 0;
- moveX = -dims.width;
- break;
- case 'bottom-left':
- initialMoveX = moveX = 0;
- initialMoveY = dims.height;
- moveY = -dims.height;
- break;
- case 'bottom-right':
- initialMoveX = dims.width;
- initialMoveY = dims.height;
- moveX = -dims.width;
- moveY = -dims.height;
- break;
- case 'center':
- initialMoveX = dims.width / 2;
- initialMoveY = dims.height / 2;
- moveX = -dims.width / 2;
- moveY = -dims.height / 2;
- break;
- }
- return new Effect.Move(element, {
- x: initialMoveX,
- y: initialMoveY,
- duration: 0.01,
- beforeSetup: function(effect) {
- effect.element.hide().makeClipping().makePositioned();
- },
- afterFinishInternal: function(effect) {
- new Effect.Parallel(
- [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
- new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
- new Effect.Scale(effect.element, 100, {
- scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
- sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
- ], Object.extend({
- beforeSetup: function(effect) {
- effect.effects[0].element.setStyle({height: '0px'}).show();
- },
- afterFinishInternal: function(effect) {
- effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
- }
- }, options)
- );
- }
- });
- };
- Effect.Shrink = function(element) {
- element = $(element);
- var options = Object.extend({
- direction: 'center',
- moveTransition: Effect.Transitions.sinoidal,
- scaleTransition: Effect.Transitions.sinoidal,
- opacityTransition: Effect.Transitions.none
- }, arguments[1] || { });
- var oldStyle = {
- top: element.style.top,
- left: element.style.left,
- height: element.style.height,
- width: element.style.width,
- opacity: element.getInlineOpacity() };
- var dims = element.getDimensions();
- var moveX, moveY;
- switch (options.direction) {
- case 'top-left':
- moveX = moveY = 0;
- break;
- case 'top-right':
- moveX = dims.width;
- moveY = 0;
- break;
- case 'bottom-left':
- moveX = 0;
- moveY = dims.height;
- break;
- case 'bottom-right':
- moveX = dims.width;
- moveY = dims.height;
- break;
- case 'center':
- moveX = dims.width / 2;
- moveY = dims.height / 2;
- break;
- }
- return new Effect.Parallel(
- [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
- new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
- new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
- ], Object.extend({
- beforeStartInternal: function(effect) {
- effect.effects[0].element.makePositioned().makeClipping();
- },
- afterFinishInternal: function(effect) {
- effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
- }, options)
- );
- };
- Effect.Pulsate = function(element) {
- element = $(element);
- var options = arguments[1] || { },
- oldOpacity = element.getInlineOpacity(),
- transition = options.transition || Effect.Transitions.linear,
- reverser = function(pos){
- return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
- };
- return new Effect.Opacity(element,
- Object.extend(Object.extend({ duration: 2.0, from: 0,
- afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
- }, options), {transition: reverser}));
- };
- Effect.Fold = function(element) {
- element = $(element);
- var oldStyle = {
- top: element.style.top,
- left: element.style.left,
- width: element.style.width,
- height: element.style.height };
- element.makeClipping();
- return new Effect.Scale(element, 5, Object.extend({
- scaleContent: false,
- scaleX: false,
- afterFinishInternal: function(effect) {
- new Effect.Scale(element, 1, {
- scaleContent: false,
- scaleY: false,
- afterFinishInternal: function(effect) {
- effect.element.hide().undoClipping().setStyle(oldStyle);
- } });
- }}, arguments[1] || { }));
- };
- Effect.Morph = Class.create(Effect.Base, {
- initialize: function(element) {
- this.element = $(element);
- if (!this.element) throw(Effect._elementDoesNotExistError);
- var options = Object.extend({
- style: { }
- }, arguments[1] || { });
- if (!Object.isString(options.style)) this.style = $H(options.style);
- else {
- if (options.style.include(':'))
- this.style = options.style.parseStyle();
- else {
- this.element.addClassName(options.style);
- this.style = $H(this.element.getStyles());
- this.element.removeClassName(options.style);
- var css = this.element.getStyles();
- this.style = this.style.reject(function(style) {
- return style.value == css[style.key];
- });
- options.afterFinishInternal = function(effect) {
- effect.element.addClassName(effect.options.style);
- effect.transforms.each(function(transform) {
- effect.element.style[transform.style] = '';
- });
- };
- }
- }
- this.start(options);
- },
- setup: function(){
- function parseColor(color){
- if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
- color = color.parseColor();
- return $R(0,2).map(function(i){
- return parseInt( color.slice(i*2+1,i*2+3), 16 );
- });
- }
- this.transforms = this.style.map(function(pair){
- var property = pair[0], value = pair[1], unit = null;
- if (value.parseColor('#zzzzzz') != '#zzzzzz') {
- value = value.parseColor();
- unit = 'color';
- } else if (property == 'opacity') {
- value = parseFloat(value);
- if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
- this.element.setStyle({zoom: 1});
- } else if (Element.CSS_LENGTH.test(value)) {
- var components = value.match(/^([+-]?[0-9.]+)(.*)$/);
- value = parseFloat(components[1]);
- unit = (components.length == 3) ? components[2] : null;
- }
- var originalValue = this.element.getStyle(property);
- return {
- style: property.camelize(),
- originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
- targetValue: unit=='color' ? parseColor(value) : value,
- unit: unit
- };
- }.bind(this)).reject(function(transform){
- return (
- (transform.originalValue == transform.targetValue) ||
- (
- transform.unit != 'color' &&
- (isNaN(transform.originalValue) || isNaN(transform.targetValue))
- )
- );
- });
- },
- update: function(position) {
- var style = { }, transform, i = this.transforms.length;
- while(i--)
- style[(transform = this.transforms[i]).style] =
- transform.unit=='color' ? '#'+
- (Math.round(transform.originalValue[0]+
- (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
- (Math.round(transform.originalValue[1]+
- (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
- (Math.round(transform.originalValue[2]+
- (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
- (transform.originalValue +
- (transform.targetValue - transform.originalValue) * position).toFixed(3) +
- (transform.unit === null ? '' : transform.unit);
- this.element.setStyle(style, true);
- }
- });
- Effect.Transform = Class.create({
- initialize: function(tracks){
- this.tracks = [];
- this.options = arguments[1] || { };
- this.addTracks(tracks);
- },
- addTracks: function(tracks){
- tracks.each(function(track){
- track = $H(track);
- var data = track.values().first();
- this.tracks.push($H({
- ids: track.keys().first(),
- effect: Effect.Morph,
- options: { style: data }
- }));
- }.bind(this));
- return this;
- },
- play: function(){
- return new Effect.Parallel(
- this.tracks.map(function(track){
- var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
- var elements = [$(ids) || $$(ids)].flatten();
- return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
- }).flatten(),
- this.options
- );
- }
- });
- Element.CSS_PROPERTIES = $w(
- 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
- 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
- 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
- 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
- 'fontSize fontWeight height left letterSpacing lineHeight ' +
- 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
- 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
- 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
- 'right textIndent top width wordSpacing zIndex');
- Element.CSS_LENGTH = /^(([+-]?[0-9.]+)(em|ex|px|in|cm|mm|pt|pc|%))|0$/;
- String.__parseStyleElement = document.createElement('div');
- String.prototype.parseStyle = function(){
- var style, styleRules = $H();
- if (Prototype.Browser.WebKit)
- style = new Element('div',{style:this}).style;
- else {
- String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
- style = String.__parseStyleElement.childNodes[0].style;
- }
- Element.CSS_PROPERTIES.each(function(property){
- if (style[property]) styleRules.set(property, style[property]);
- });
- if (Prototype.Browser.IE && this.include('opacity'))
- styleRules.set('opacity', this.match(/opacity:s*((?:0|1)?(?:.d*)?)/)[1]);
- return styleRules;
- };
- if (document.defaultView && document.defaultView.getComputedStyle) {
- Element.getStyles = function(element) {
- var css = document.defaultView.getComputedStyle($(element), null);
- return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
- styles[property] = css[property];
- return styles;
- });
- };
- } else {
- Element.getStyles = function(element) {
- element = $(element);
- var css = element.currentStyle, styles;
- styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
- results[property] = css[property];
- return results;
- });
- if (!styles.opacity) styles.opacity = element.getOpacity();
- return styles;
- };
- }
- Effect.Methods = {
- morph: function(element, style) {
- element = $(element);
- new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
- return element;
- },
- visualEffect: function(element, effect, options) {
- element = $(element);
- var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
- new Effect[klass](element, options);
- return element;
- },
- highlight: function(element, options) {
- element = $(element);
- new Effect.Highlight(element, options);
- return element;
- }
- };
- $w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
- 'pulsate shake puff squish switchOff dropOut').each(
- function(effect) {
- Effect.Methods[effect] = function(element, options){
- element = $(element);
- Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
- return element;
- };
- }
- );
- $w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
- function(f) { Effect.Methods[f] = Element[f]; }
- );
- Element.addMethods(Effect.Methods);