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authorMike Macgirvin <mike@macgirvin.com>2010-07-01 16:48:07 -0700
committerMike Macgirvin <mike@macgirvin.com>2010-07-01 16:48:07 -0700
commit6348e70daa113e8b3203de8fbc919d08c90d972e (patch)
tree1bc3dd3bc85fe6136411086785cf6753960e22f9 /cropper/lib/effects.js
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+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// Contributors:
+// Justin Palmer (http://encytemedia.com/)
+// Mark Pilgrim (http://diveintomark.org/)
+// Martin Bialasinki
+//
+// See scriptaculous.js for full license.
+
+// 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(element, {fontSize: (percent/100) + 'em'});
+ if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+}
+
+Element.getOpacity = function(element){
+ var opacity;
+ if (opacity = Element.getStyle(element, 'opacity'))
+ return parseFloat(opacity);
+ if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))
+ if(opacity[1]) return parseFloat(opacity[1]) / 100;
+ return 1.0;
+}
+
+Element.setOpacity = function(element, value){
+ element= $(element);
+ if (value == 1){
+ Element.setStyle(element, { opacity:
+ (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ?
+ 0.999999 : null });
+ if(/MSIE/.test(navigator.userAgent))
+ Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});
+ } else {
+ if(value < 0.00001) value = 0;
+ Element.setStyle(element, {opacity: value});
+ if(/MSIE/.test(navigator.userAgent))
+ Element.setStyle(element,
+ { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
+ 'alpha(opacity='+value*100+')' });
+ }
+}
+
+Element.getInlineOpacity = function(element){
+ return $(element).style.opacity || '';
+}
+
+Element.childrenWithClassName = function(element, className, findFirst) {
+ var classNameRegExp = new RegExp("(^|\\s)" + className + "(\\s|$)");
+ var results = $A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) {
+ return (c.className && c.className.match(classNameRegExp));
+ });
+ if(!results) results = [];
+ return results;
+}
+
+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 = {
+ tagifyText: function(element) {
+ var tagifyStyle = 'position:relative';
+ if(/MSIE/.test(navigator.userAgent)) 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; // deprecated
+
+/* ------------- transitions ------------- */
+
+Effect.Transitions = {}
+
+Effect.Transitions.linear = function(pos) {
+ return pos;
+}
+Effect.Transitions.sinoidal = function(pos) {
+ return (-Math.cos(pos*Math.PI)/2) + 0.5;
+}
+Effect.Transitions.reverse = function(pos) {
+ return 1-pos;
+}
+Effect.Transitions.flicker = function(pos) {
+ return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
+}
+Effect.Transitions.wobble = function(pos) {
+ return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
+}
+Effect.Transitions.pulse = function(pos) {
+ return (Math.floor(pos*10) % 2 == 0 ?
+ (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
+}
+Effect.Transitions.none = function(pos) {
+ return 0;
+}
+Effect.Transitions.full = function(pos) {
+ return 1;
+}
+
+/* ------------- core effects ------------- */
+
+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':
+ // 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 '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), 40);
+ },
+ 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();
+ this.effects.invoke('loop', timePos);
+ }
+});
+
+Effect.Queues = {
+ instances: $H(),
+ get: function(queueName) {
+ if(typeof queueName != 'string') return queueName;
+
+ if(!this.instances[queueName])
+ this.instances[queueName] = new Effect.ScopedQueue();
+
+ return this.instances[queueName];
+ }
+}
+Effect.Queue = Effect.Queues.get('global');
+
+Effect.DefaultOptions = {
+ transition: Effect.Transitions.sinoidal,
+ duration: 1.0, // seconds
+ fps: 25.0, // max. 25fps due to Effect.Queue implementation
+ sync: false, // true for combining
+ from: 0.0,
+ to: 1.0,
+ delay: 0.0,
+ queue: 'parallel'
+}
+
+Effect.Base = function() {};
+Effect.Base.prototype = {
+ position: null,
+ start: function(options) {
+ 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.event('beforeStart');
+ if(!this.options.sync)
+ Effect.Queues.get(typeof this.options.queue == 'string' ?
+ '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.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() {
+ return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';
+ }
+}
+
+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.Opacity = Class.create();
+Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
+ initialize: function(element) {
+ this.element = $(element);
+ // make this work on IE on elements without 'layout'
+ if(/MSIE/.test(navigator.userAgent) && (!this.element.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);
+ var options = Object.extend({
+ x: 0,
+ y: 0,
+ mode: 'relative'
+ }, arguments[1] || {});
+ this.start(options);
+ },
+ setup: function() {
+ // Bug in Opera: Opera returns the "real" position of a static element or
+ // relative element that does not have top/left explicitly set.
+ // ==> Always set top and left for position relative elements in your stylesheets
+ // (to 0 if you do not need them)
+ this.element.makePositioned();
+ this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
+ this.originalTop = parseFloat(this.element.getStyle('top') || '0');
+ if(this.options.mode == 'absolute') {
+ // absolute movement, so we need to calc deltaX and deltaY
+ 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 + 'px',
+ top: this.options.y * position + this.originalTop + '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();
+Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
+ initialize: function(element, percent) {
+ this.element = $(element)
+ 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','%'].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 + 'px';
+ if(this.options.scaleY) d.height = 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);
+ 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 = {
+ 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+(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));
+ }
+});
+
+/* ------------- 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();
+ effect.element.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);
+ effect.element.show();
+ }}, arguments[1] || {});
+ return new Effect.Opacity(element,options);
+}
+
+Effect.Puff = function(element) {
+ element = $(element);
+ var oldStyle = { opacity: element.getInlineOpacity(), position: element.getStyle('position') };
+ 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) {
+ effect.effects[0].element.setStyle({position: 'absolute'}); },
+ afterFinishInternal: function(effect) {
+ effect.effects[0].element.hide();
+ effect.effects[0].element.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();
+ effect.element.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();
+ effect.element.setStyle({height: '0px'});
+ effect.element.show();
+ },
+ afterFinishInternal: function(effect) {
+ effect.element.undoClipping();
+ }
+ }, arguments[1] || {})
+ );
+}
+
+Effect.SwitchOff = function(element) {
+ element = $(element);
+ var oldOpacity = element.getInlineOpacity();
+ return new Effect.Appear(element, {
+ 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();
+ effect.element.makeClipping();
+ },
+ afterFinishInternal: function(effect) {
+ effect.element.hide();
+ effect.element.undoClipping();
+ effect.element.undoPositioned();
+ effect.element.setStyle({opacity: oldOpacity});
+ }
+ })
+ }
+ });
+}
+
+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();
+ effect.effects[0].element.undoPositioned();
+ effect.effects[0].element.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();
+ effect.element.setStyle(oldStyle);
+ }}) }}) }}) }}) }}) }});
+}
+
+Effect.SlideDown = function(element) {
+ element = $(element);
+ element.cleanWhitespace();
+ // SlideDown need to have the content of the element wrapped in a container element with fixed height!
+ var oldInnerBottom = $(element.firstChild).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.firstChild.makePositioned();
+ if(window.opera) effect.element.setStyle({top: ''});
+ effect.element.makeClipping();
+ effect.element.setStyle({height: '0px'});
+ effect.element.show(); },
+ afterUpdateInternal: function(effect) {
+ effect.element.firstChild.setStyle({bottom:
+ (effect.dims[0] - effect.element.clientHeight) + 'px' });
+ },
+ afterFinishInternal: function(effect) {
+ effect.element.undoClipping();
+ // IE will crash if child is undoPositioned first
+ if(/MSIE/.test(navigator.userAgent)){
+ effect.element.undoPositioned();
+ effect.element.firstChild.undoPositioned();
+ }else{
+ effect.element.firstChild.undoPositioned();
+ effect.element.undoPositioned();
+ }
+ effect.element.firstChild.setStyle({bottom: oldInnerBottom}); }
+ }, arguments[1] || {})
+ );
+}
+
+Effect.SlideUp = function(element) {
+ element = $(element);
+ element.cleanWhitespace();
+ var oldInnerBottom = $(element.firstChild).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.firstChild.makePositioned();
+ if(window.opera) effect.element.setStyle({top: ''});
+ effect.element.makeClipping();
+ effect.element.show(); },
+ afterUpdateInternal: function(effect) {
+ effect.element.firstChild.setStyle({bottom:
+ (effect.dims[0] - effect.element.clientHeight) + 'px' }); },
+ afterFinishInternal: function(effect) {
+ effect.element.hide();
+ effect.element.undoClipping();
+ effect.element.firstChild.undoPositioned();
+ effect.element.undoPositioned();
+ effect.element.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(effect.element); },
+ afterFinishInternal: function(effect) {
+ effect.element.hide(effect.element);
+ effect.element.undoClipping(effect.element); }
+ });
+}
+
+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();
+ effect.element.makeClipping();
+ effect.element.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'});
+ effect.effects[0].element.show();
+ },
+ afterFinishInternal: function(effect) {
+ effect.effects[0].element.undoClipping();
+ effect.effects[0].element.undoPositioned();
+ effect.effects[0].element.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();
+ effect.effects[0].element.makeClipping(); },
+ afterFinishInternal: function(effect) {
+ effect.effects[0].element.hide();
+ effect.effects[0].element.undoClipping();
+ effect.effects[0].element.undoPositioned();
+ effect.effects[0].element.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)) };
+ reverser.bind(transition);
+ return new Effect.Opacity(element,
+ Object.extend(Object.extend({ duration: 3.0, 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(element);
+ 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();
+ effect.element.undoClipping();
+ effect.element.setStyle(oldStyle);
+ } });
+ }}, arguments[1] || {}));
+};
+
+['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
+ 'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].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(); \ No newline at end of file