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Diffstat (limited to 'library/cropper/lib/effects.js')
| -rw-r--r-- | library/cropper/lib/effects.js | 958 |
1 files changed, 958 insertions, 0 deletions
diff --git a/library/cropper/lib/effects.js b/library/cropper/lib/effects.js new file mode 100644 index 000000000..0864323ec --- /dev/null +++ b/library/cropper/lib/effects.js @@ -0,0 +1,958 @@ +// 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();
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