// script.aculo.us effects.js v1.7.0, Fri Jan 19 19:16:36 CET 2007 // Copyright (c) 2005, 2006 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(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); return element;} Element.getOpacity = function(element){ return $(element).getStyle('opacity');} Element.setOpacity = function(element, value){ return $(element).setStyle({opacity:value});} 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) { } }; Array.prototype.call = function() { var args = arguments; this.each(function(f){ f.apply(this, args) });} var Effect = { _elementDoesNotExistError: { name: 'ElementDoesNotExistError', message: 'The specified DOM element does not exist, but is required for this effect to operate' }, tagifyText: function(element) { if(typeof Builder == 'undefined') throw("Effect.tagifyText requires including script.aculo.us' builder.js library"); var tagifyStyle = 'position:relative'; if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1'; element = $(element); $A(element.childNodes).each( function(child) { if(child.nodeType==3) { child.nodeValue.toArray().each( function(character) { element.insertBefore( Builder.node('span',{style: tagifyStyle}, character == ' ' ? String.fromCharCode(160) : character), child);}); Element.remove(child);} });}, multiple: function(element, effect) { var elements; if(((typeof element == 'object') || (typeof element == 'function')) && (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);} }; var Effect2 = Effect; Effect.Transitions = { linear: Prototype.K, sinoidal: function(pos) { return (-Math.cos(pos*Math.PI)/2) + 0.5;}, reverse: function(pos) { return 1-pos;}, flicker: function(pos) { return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;}, wobble: function(pos) { return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;}, pulse: function(pos, pulses) { pulses = pulses || 5; return ( Math.round((pos % (1/pulses)) * pulses) == 0 ? ((pos * pulses * 2) - Math.floor(pos * pulses * 2)) : 1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2)) );}, none: function(pos) { return 0;}, full: function(pos) { return 1;} }; Effect.ScopedQueue = Class.create(); Object.extend(Object.extend(Effect.ScopedQueue.prototype, 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 = (typeof effect.options.queue == 'string') ? effect.options.queue : effect.options.queue.position; switch(position) { case 'front': 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': 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= 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.finishOn - this.startOn); var frame = Math.round(pos * this.options.fps * this.options.duration); if(frame > this.currentFrame) { this.render(pos); this.currentFrame = frame;} } }, render: function(pos) { if(this.state == 'idle') { this.state = 'running'; this.event('beforeSetup'); if(this.setup) this.setup(); this.event('afterSetup');} if(this.state == 'running') { if(this.options.transition) pos = this.options.transition(pos); pos *= (this.options.to-this.options.from); pos += this.options.from; this.position = pos; this.event('beforeUpdate'); if(this.update) this.update(pos); this.event('afterUpdate');} }, cancel: function() { if(!this.options.sync) Effect.Queues.get(typeof this.options.queue == 'string' ? '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(typeof this[property] != 'function') data[property] = this[property]; return '#';} } Effect.Parallel = Class.create(); Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), { 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.Event = Class.create(); Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), { initialize: function() { var options = Object.extend({ duration: 0 }, arguments[0] || {}); this.start(options);}, update: Prototype.emptyFunction }); Effect.Opacity = Class.create(); Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), { initialize: function(element) { this.element = $(element); if(!this.element) throw(Effect._elementDoesNotExistError); if(/MSIE/.test(navigator.userAgent) && !window.opera && (!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(); Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), { 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: Math.round(this.options.x * position + this.originalLeft) + 'px', top: Math.round(this.options.y * position + this.originalTop) + 'px' });} }); Effect.MoveBy = function(element, toTop, toLeft) { return new Effect.Move(element, Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));}; Effect.Scale = Class.create(); Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), { 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', 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 = Math.round(width) + 'px'; if(this.options.scaleY) d.height = Math.round(height) + '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(); Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), { 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() { if(this.element.getStyle('display')=='none') { this.cancel(); return;} 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'); 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+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart());}.bind(this)) });}, finish: function() { this.element.setStyle(Object.extend(this.oldStyle, { backgroundColor: this.options.restorecolor }));} }); Effect.ScrollTo = Class.create(); Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), { initialize: function(element) { this.element = $(element); this.start(arguments[1] || {});}, setup: function() { Position.prepare(); var offsets = Position.cumulativeOffset(this.element); if(this.options.offset) offsets[1] += this.options.offset; var max = window.innerHeight ? window.height - window.innerHeight : document.body.scrollHeight - (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight); this.scrollStart = Position.deltaY; this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;}, update: function(position) { Position.prepare(); window.scrollTo(Position.deltaX, this.scrollStart + (position*this.delta));} }); 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, 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 oldStyle = { top: element.getStyle('top'), left: element.getStyle('left') }; return new Effect.Move(element, { x: 20, y: 0, duration: 0.05, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) { effect.element.undoPositioned().setStyle(oldStyle);}}) }}) }}) }}) }}) }});} Effect.SlideDown = function(element) { element = $(element).cleanWhitespace(); 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'); return new Effect.Scale(element, window.opera ? 0 : 1, Object.extend({ scaleContent: false, scaleX: false, scaleMode: 'box', scaleFrom: 100, restoreAfterFinish: true, beforeStartInternal: 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().setStyle({bottom: oldInnerBottom}); effect.element.down().undoPositioned();} }, arguments[1] || {}) );} 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] || {}; var oldOpacity = element.getInlineOpacity(); var transition = options.transition || Effect.Transitions.sinoidal; var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) }; reverser.bind(transition); 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(); Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), { initialize: function(element) { this.element = $(element); if(!this.element) throw(Effect._elementDoesNotExistError); var options = Object.extend({ style: {} }, arguments[1] || {}); if (typeof options.style == 'string') { if(options.style.indexOf(':') == -1) { var cssText = '', selector = '.' + options.style; $A(document.styleSheets).reverse().each(function(styleSheet) { if (styleSheet.cssRules) cssRules = styleSheet.cssRules; else if (styleSheet.rules) cssRules = styleSheet.rules; $A(cssRules).reverse().each(function(rule) { if (selector == rule.selectorText) { cssText = rule.style.cssText; throw $break;} }); if (cssText) throw $break;}); this.style = cssText.parseStyle(); options.afterFinishInternal = function(effect){ effect.element.addClassName(effect.options.style); effect.transforms.each(function(transform) { if(transform.style != 'opacity') effect.element.style[transform.style.camelize()] = '';});} } else this.style = options.style.parseStyle();} else this.style = $H(options.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 $R(0,2).map(function(i){ return parseInt( color.slice(i*2+1,i*2+3), 16 ) });} this.transforms = this.style.map(function(pair){ var property = pair[0].underscore().dasherize(), value = pair[1], unit = null; if(value.parseColor('#zzzzzz') != '#zzzzzz') { value = value.parseColor(); unit = 'color';} else if(property == 'opacity') { value = parseFloat(value); if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout)) this.element.setStyle({zoom: 1});} else if(Element.CSS_LENGTH.test(value)) var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/), value = parseFloat(components[1]), unit = (components.length == 3) ? components[2] : null; var originalValue = this.element.getStyle(property); return $H({ style: property, 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 = $H(), value = null; this.transforms.each(function(transform){ value = transform.unit=='color' ? $R(0,2).inject('#',function(m,v,i){ return m+(Math.round(transform.originalValue[i]+ (transform.targetValue[i] - transform.originalValue[i])*position)).toColorPart() }) : transform.originalValue + Math.round( ((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit; style[transform.style] = value;}); this.element.setStyle(style);} }); Effect.Transform = Class.create(); Object.extend(Effect.Transform.prototype, { initialize: function(tracks){ this.tracks = []; this.options = arguments[1] || {}; this.addTracks(tracks);}, addTracks: function(tracks){ tracks.each(function(track){ var data = $H(track).values().first(); this.tracks.push($H({ ids: $H(track).keys().first(), effect: Effect.Morph, options: { style: data } }));}.bind(this)); return this;}, play: function(){ return new Effect.Parallel( this.tracks.map(function(track){ var elements = [$(track.ids) || $$(track.ids)].flatten(); return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.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.prototype.parseStyle = function(){ var element = Element.extend(document.createElement('div')); element.innerHTML = '
'; var style = element.down().style, styleRules = $H(); Element.CSS_PROPERTIES.each(function(property){ if(style[property]) styleRules[property] = style[property];}); if(/MSIE/.test(navigator.userAgent) && !window.opera && this.indexOf('opacity') > -1) { styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];} return styleRules;}; Element.morph = function(element, style) { new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {})); return element;}; ['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom', 'collectTextNodes','collectTextNodesIgnoreClass','morph'].each( function(f) { Element.Methods[f] = Element[f];} ); Element.Methods.visualEffect = function(element, effect, options) { s = effect.gsub(/_/, '-').camelize(); effect_class = s.charAt(0).toUpperCase() + s.substring(1); new Effect[effect_class](element, options); return $(element);}; Element.addMethods();