User:Ganiman/effects.js

// script.aculo.us effects.js v1.8.1, Thu Jan 03 22:07:12 -0500 2008

// Copyright (c) 2005-2007 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) + 0.5; },   reverse: function(pos) { return 1-pos; },   flicker: function(pos) { var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random/4; return pos > 1 ? 1 : pos; },   wobble: function(pos) { return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5; },   pulse: function(pos, pulses) { pulses = pulses || 5; return (       ((pos % (1/pulses)) * pulses).round == 0 ?               ((pos * pulses * 2) - (pos * pulses * 2).floor) :           1 - ((pos * pulses * 2) - (pos * pulses * 2).floor)        ); },   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;    eval('this.render = function(pos){ '+ 'if (this.state=="idle"){this.state="running";'+ codeForEvent(this.options,'beforeSetup')+ (this.setup ? 'this.setup;':'')+ codeForEvent(this.options,'afterSetup')+ '};if (this.state=="running"){'+ 'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+ 'this.position=pos;'+ codeForEvent(this.options,'beforeUpdate')+ (this.update ? 'this.update(pos);':'')+ codeForEvent(this.options,'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.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, max = (window.height || document.body.scrollHeight) - document.viewport.getHeight;

if (options.offset) elementOffsets[1] += options.offset;

return new Effect.Tween(null,   scrollOffsets.top,    elementOffsets[1] > max ? max : 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] || { }; 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(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 = ' '; 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);