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// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) |
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// |
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// Parts (c) 2005 Justin Palmer (http://encytemedia.com/) |
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// Parts (c) 2005 Mark Pilgrim (http://diveintomark.org/) |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining |
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// a copy of this software and associated documentation files (the |
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// "Software"), to deal in the Software without restriction, including |
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// without limitation the rights to use, copy, modify, merge, publish, |
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// distribute, sublicense, and/or sell copies of the Software, and to |
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// permit persons to whom the Software is furnished to do so, subject to |
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// the following conditions: |
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// |
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// The above copyright notice and this permission notice shall be |
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// included in all copies or substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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|
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|
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Effect = {} |
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Effect2 = Effect; // deprecated |
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|
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/* ------------- transitions ------------- */ |
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|
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Effect.Transitions = {} |
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|
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Effect.Transitions.linear = function(pos) { |
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return pos; |
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} |
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Effect.Transitions.sinoidal = function(pos) { |
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return (-Math.cos(pos*Math.PI)/2) + 0.5; |
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} |
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Effect.Transitions.reverse = function(pos) { |
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return 1-pos; |
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} |
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Effect.Transitions.flicker = function(pos) { |
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return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random(0.25); |
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} |
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Effect.Transitions.wobble = function(pos) { |
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return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5; |
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} |
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Effect.Transitions.pulse = function(pos) { |
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return (Math.floor(pos*10) % 2 == 0 ? |
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(pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10))); |
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} |
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Effect.Transitions.none = function(pos) { |
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return 0; |
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} |
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Effect.Transitions.full = function(pos) { |
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return 1; |
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} |
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|
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/* ------------- element ext -------------- */ |
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|
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Element.makePositioned = function(element) { |
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element = $(element); |
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if(element.style.position == "") |
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element.style.position = "relative"; |
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} |
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|
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Element.makeClipping = function(element) { |
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element = $(element); |
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element._overflow = element.style.overflow || 'visible'; |
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if(element._overflow!='hidden') element.style.overflow = 'hidden'; |
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} |
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|
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Element.undoClipping = function(element) { |
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element = $(element); |
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if(element._overflow!='hidden') element.style.overflow = element._overflow; |
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} |
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|
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/* ------------- core effects ------------- */ |
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|
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Effect.Base = function() {}; |
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Effect.Base.prototype = { |
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setOptions: function(options) { |
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this.options = Object.extend({ |
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transition: Effect.Transitions.sinoidal, |
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duration: 1.0, // seconds |
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fps: 25.0, // max. 100fps |
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sync: false, // true for combining |
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from: 0.0, |
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to: 1.0 |
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}, options || {}); |
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}, |
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start: function(options) { |
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this.setOptions(options || {}); |
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this.currentFrame = 0; |
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this.startOn = new Date().getTime(); |
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this.finishOn = this.startOn + (this.options.duration*1000); |
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if(this.options.beforeStart) this.options.beforeStart(this); |
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if(!this.options.sync) this.loop(); |
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}, |
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loop: function() { |
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var timePos = new Date().getTime(); |
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if(timePos >= this.finishOn) { |
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this.render(this.options.to); |
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if(this.finish) this.finish(); |
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if(this.options.afterFinish) this.options.afterFinish(this); |
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return; |
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} |
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var pos = (timePos - this.startOn) / (this.finishOn - this.startOn); |
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var frame = Math.round(pos * this.options.fps * this.options.duration); |
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if(frame > this.currentFrame) { |
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this.render(pos); |
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this.currentFrame = frame; |
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} |
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this.timeout = setTimeout(this.loop.bind(this), 10); |
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}, |
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render: function(pos) { |
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if(this.options.transition) pos = this.options.transition(pos); |
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pos *= (this.options.to-this.options.from); |
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pos += this.options.from; |
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if(this.options.beforeUpdate) this.options.beforeUpdate(this); |
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if(this.update) this.update(pos); |
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if(this.options.afterUpdate) this.options.afterUpdate(this); |
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}, |
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cancel: function() { |
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if(this.timeout) clearTimeout(this.timeout); |
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} |
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} |
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|
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Effect.Parallel = Class.create(); |
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Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), { |
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initialize: function(effects) { |
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this.effects = effects || []; |
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this.start(arguments[1]); |
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}, |
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update: function(position) { |
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for (var i = 0; i < this.effects.length; i++) |
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this.effects[i].render(position); |
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}, |
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finish: function(position) { |
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for (var i = 0; i < this.effects.length; i++) |
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if(this.effects[i].finish) this.effects[i].finish(position); |
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} |
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}); |
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|
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// Internet Explorer caveat: works only on elements the have |
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// a 'layout', meaning having a given width or height. |
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// There is no way to safely set this automatically. |
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Effect.Opacity = Class.create(); |
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Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), { |
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initialize: function(element) { |
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this.element = $(element); |
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options = Object.extend({ |
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from: 0.0, |
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to: 1.0 |
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}, arguments[1] || {}); |
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this.start(options); |
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}, |
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update: function(position) { |
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this.setOpacity(position); |
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}, |
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setOpacity: function(opacity) { |
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opacity = (opacity == 1) ? 0.99999 : opacity; |
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this.element.style.opacity = opacity; |
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this.element.style.filter = "alpha(opacity:"+opacity*100+")"; |
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} |
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}); |
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|
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Effect.MoveBy = Class.create(); |
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Object.extend(Object.extend(Effect.MoveBy.prototype, Effect.Base.prototype), { |
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initialize: function(element, toTop, toLeft) { |
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this.element = $(element); |
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this.originalTop = parseFloat(this.element.style.top || '0'); |
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this.originalLeft = parseFloat(this.element.style.left || '0'); |
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this.toTop = toTop; |
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this.toLeft = toLeft; |
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Element.makePositioned(this.element); |
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this.start(arguments[3]); |
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}, |
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update: function(position) { |
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topd = this.toTop * position + this.originalTop; |
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leftd = this.toLeft * position + this.originalLeft; |
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this.setPosition(topd, leftd); |
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}, |
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setPosition: function(topd, leftd) { |
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this.element.style.top = topd + "px"; |
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this.element.style.left = leftd + "px"; |
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} |
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}); |
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|
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Effect.Scale = Class.create(); |
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Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), { |
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initialize: function(element, percent) { |
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this.element = $(element) |
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options = Object.extend({ |
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scaleX: true, |
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scaleY: true, |
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scaleContent: true, |
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scaleFromCenter: false, |
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scaleMode: 'box', // 'box' or 'contents' or {} with provided values |
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scaleFrom: 100.0 |
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}, arguments[2] || {}); |
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this.originalTop = this.element.offsetTop; |
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this.originalLeft = this.element.offsetLeft; |
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if(this.element.style.fontSize=="") this.sizeEm = 1.0; |
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if(this.element.style.fontSize && this.element.style.fontSize.indexOf("em")>0) |
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this.sizeEm = parseFloat(this.element.style.fontSize); |
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this.factor = (percent/100.0) - (options.scaleFrom/100.0); |
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if(options.scaleMode=='box') { |
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this.originalHeight = this.element.clientHeight; |
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this.originalWidth = this.element.clientWidth; |
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} else |
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if(options.scaleMode=='contents') { |
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this.originalHeight = this.element.scrollHeight; |
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this.originalWidth = this.element.scrollWidth; |
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} else { |
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this.originalHeight = options.scaleMode.originalHeight; |
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this.originalWidth = options.scaleMode.originalWidth; |
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} |
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this.start(options); |
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}, |
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|
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update: function(position) { |
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currentScale = (this.options.scaleFrom/100.0) + (this.factor * position); |
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if(this.options.scaleContent && this.sizeEm) |
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this.element.style.fontSize = this.sizeEm*currentScale + "em"; |
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this.setDimensions( |
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this.originalWidth * currentScale, |
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this.originalHeight * currentScale); |
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}, |
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|
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setDimensions: function(width, height) { |
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if(this.options.scaleX) this.element.style.width = width + 'px'; |
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if(this.options.scaleY) this.element.style.height = height + 'px'; |
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if(this.options.scaleFromCenter) { |
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topd = (height - this.originalHeight)/2; |
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leftd = (width - this.originalWidth)/2; |
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if(this.element.style.position=='absolute') { |
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if(this.options.scaleY) this.element.style.top = this.originalTop-topd + "px"; |
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if(this.options.scaleX) this.element.style.left = this.originalLeft-leftd + "px"; |
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} else { |
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if(this.options.scaleY) this.element.style.top = -topd + "px"; |
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if(this.options.scaleX) this.element.style.left = -leftd + "px"; |
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} |
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} |
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} |
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}); |
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|
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Effect.Highlight = Class.create(); |
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Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), { |
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initialize: function(element) { |
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this.element = $(element); |
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|
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// try to parse current background color as default for endcolor |
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// browser stores this as: "rgb(255, 255, 255)", convert to "#ffffff" format |
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var endcolor = "#ffffff"; |
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var current = this.element.style.backgroundColor; |
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if(current && current.slice(0,4) == "rgb(") { |
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endcolor = "#"; |
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var cols = current.slice(4,current.length-1).split(','); |
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var i=0; do { endcolor += parseInt(cols[i]).toColorPart() } while (++i<3); } |
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|
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var options = Object.extend({ |
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startcolor: "#ffff99", |
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endcolor: endcolor, |
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restorecolor: current |
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}, arguments[1] || {}); |
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|
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// init color calculations |
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this.colors_base = [ |
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parseInt(options.startcolor.slice(1,3),16), |
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parseInt(options.startcolor.slice(3,5),16), |
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parseInt(options.startcolor.slice(5),16) ]; |
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this.colors_delta = [ |
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parseInt(options.endcolor.slice(1,3),16)-this.colors_base[0], |
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parseInt(options.endcolor.slice(3,5),16)-this.colors_base[1], |
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parseInt(options.endcolor.slice(5),16)-this.colors_base[2] ]; |
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|
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this.start(options); |
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}, |
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update: function(position) { |
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var colors = [ |
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Math.round(this.colors_base[0]+(this.colors_delta[0]*position)), |
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Math.round(this.colors_base[1]+(this.colors_delta[1]*position)), |
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Math.round(this.colors_base[2]+(this.colors_delta[2]*position)) ]; |
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this.element.style.backgroundColor = "#" + |
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colors[0].toColorPart() + colors[1].toColorPart() + colors[2].toColorPart(); |
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}, |
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finish: function() { |
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this.element.style.backgroundColor = this.options.restorecolor; |
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} |
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}); |
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|
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Effect.ScrollTo = Class.create(); |
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Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), { |
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initialize: function(element) { |
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this.element = $(element); |
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Position.prepare(); |
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var offsets = Position.cumulativeOffset(this.element); |
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var max = window.innerHeight ? |
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window.height - window.innerHeight : |
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document.body.scrollHeight - |
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(document.documentElement.clientHeight ? |
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document.documentElement.clientHeight : document.body.clientHeight); |
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this.scrollStart = Position.deltaY; |
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this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart; |
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this.start(arguments[1] || {}); |
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}, |
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update: function(position) { |
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Position.prepare(); |
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window.scrollTo(Position.deltaX, |
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this.scrollStart + (position*this.delta)); |
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} |
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}); |
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|
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/* ------------- prepackaged effects ------------- */ |
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|
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Effect.Fade = function(element) { |
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options = Object.extend({ |
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from: 1.0, |
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to: 0.0, |
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afterFinish: function(effect) |
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{ Element.hide(effect.element); |
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effect.setOpacity(1); } |
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}, arguments[1] || {}); |
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new Effect.Opacity(element,options); |
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} |
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|
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Effect.Appear = function(element) { |
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options = Object.extend({ |
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from: 0.0, |
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to: 1.0, |
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beforeStart: function(effect) |
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{ effect.setOpacity(0); |
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Element.show(effect.element); }, |
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afterUpdate: function(effect) |
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{ Element.show(effect.element); } |
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}, arguments[1] || {}); |
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new Effect.Opacity(element,options); |
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} |
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|
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Effect.Puff = function(element) { |
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new Effect.Parallel( |
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[ new Effect.Scale(element, 200, { sync: true, scaleFromCenter: true }), |
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new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], |
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{ duration: 1.0, |
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afterUpdate: function(effect) |
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{ effect.effects[0].element.style.position = 'absolute'; }, |
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afterFinish: function(effect) |
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{ Element.hide(effect.effects[0].element); } |
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} |
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); |
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} |
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|
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Effect.BlindUp = function(element) { |
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Element.makeClipping(element); |
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new Effect.Scale(element, 0, |
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Object.extend({ scaleContent: false, |
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scaleX: false, |
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afterFinish: function(effect) |
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{ |
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Element.hide(effect.element); |
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Element.undoClipping(effect.element); |
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} |
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}, arguments[1] || {}) |
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); |
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} |
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|
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Effect.BlindDown = function(element) { |
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$(element).style.height = '0px'; |
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Element.makeClipping(element); |
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Element.show(element); |
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new Effect.Scale(element, 100, |
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Object.extend({ scaleContent: false, |
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scaleX: false, |
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scaleMode: 'contents', |
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scaleFrom: 0, |
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afterFinish: function(effect) { |
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Element.undoClipping(effect.element); |
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} |
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}, arguments[1] || {}) |
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); |
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} |
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|
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Effect.SwitchOff = function(element) { |
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new Effect.Appear(element, |
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{ duration: 0.4, |
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transition: Effect.Transitions.flicker, |
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afterFinish: function(effect) |
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{ effect.element.style.overflow = 'hidden'; |
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new Effect.Scale(effect.element, 1, |
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{ duration: 0.3, scaleFromCenter: true, |
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scaleX: false, scaleContent: false, |
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afterUpdate: function(effect) { |
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if(effect.element.style.position=="") |
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effect.element.style.position = 'relative'; }, |
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afterFinish: function(effect) { Element.hide(effect.element); } |
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} ) |
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} |
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} ); |
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} |
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|
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Effect.DropOut = function(element) { |
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new Effect.Parallel( |
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[ new Effect.MoveBy(element, 100, 0, { sync: true }), |
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new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], |
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{ duration: 0.5, |
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afterFinish: function(effect) |
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{ Element.hide(effect.effects[0].element); } |
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}); |
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} |
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|
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Effect.Shake = function(element) { |
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new Effect.MoveBy(element, 0, 20, |
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{ duration: 0.05, afterFinish: function(effect) { |
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new Effect.MoveBy(effect.element, 0, -40, |
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{ duration: 0.1, afterFinish: function(effect) { |
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new Effect.MoveBy(effect.element, 0, 40, |
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{ duration: 0.1, afterFinish: function(effect) { |
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new Effect.MoveBy(effect.element, 0, -40, |
| 420 |
{ duration: 0.1, afterFinish: function(effect) { |
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new Effect.MoveBy(effect.element, 0, 40, |
| 422 |
{ duration: 0.1, afterFinish: function(effect) { |
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new Effect.MoveBy(effect.element, 0, -20, |
| 424 |
{ duration: 0.05, afterFinish: function(effect) { |
| 425 |
}}) }}) }}) }}) }}) }}); |
| 426 |
} |
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|
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Effect.SlideDown = function(element) { |
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element = $(element); |
| 430 |
element.style.height = '0px'; |
| 431 |
Element.makeClipping(element); |
| 432 |
Element.cleanWhitespace(element); |
| 433 |
Element.makePositioned(element.firstChild); |
| 434 |
Element.show(element); |
| 435 |
new Effect.Scale(element, 100, |
| 436 |
Object.extend({ scaleContent: false, |
| 437 |
scaleX: false, |
| 438 |
scaleMode: 'contents', |
| 439 |
scaleFrom: 0, |
| 440 |
afterUpdate: function(effect) |
| 441 |
{ effect.element.firstChild.style.bottom = |
| 442 |
(effect.originalHeight - effect.element.clientHeight) + 'px'; }, |
| 443 |
afterFinish: function(effect) |
| 444 |
{ Element.undoClipping(effect.element); } |
| 445 |
}, arguments[1] || {}) |
| 446 |
); |
| 447 |
} |
| 448 |
|
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Effect.SlideUp = function(element) { |
| 450 |
element = $(element); |
| 451 |
Element.makeClipping(element); |
| 452 |
Element.cleanWhitespace(element); |
| 453 |
Element.makePositioned(element.firstChild); |
| 454 |
Element.show(element); |
| 455 |
new Effect.Scale(element, 0, |
| 456 |
Object.extend({ scaleContent: false, |
| 457 |
scaleX: false, |
| 458 |
afterUpdate: function(effect) |
| 459 |
{ effect.element.firstChild.style.bottom = |
| 460 |
(effect.originalHeight - effect.element.clientHeight) + 'px'; }, |
| 461 |
afterFinish: function(effect) |
| 462 |
{ |
| 463 |
Element.hide(effect.element); |
| 464 |
Element.undoClipping(effect.element); |
| 465 |
} |
| 466 |
}, arguments[1] || {}) |
| 467 |
); |
| 468 |
} |
| 469 |
|
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Effect.Squish = function(element) { |
| 471 |
new Effect.Scale(element, 0, |
| 472 |
{ afterFinish: function(effect) { Element.hide(effect.element); } }); |
| 473 |
} |
| 474 |
|
| 475 |
Effect.Grow = function(element) { |
| 476 |
element = $(element); |
| 477 |
var options = arguments[1] || {}; |
| 478 |
|
| 479 |
var originalWidth = element.clientWidth; |
| 480 |
var originalHeight = element.clientHeight; |
| 481 |
element.style.overflow = 'hidden'; |
| 482 |
Element.show(element); |
| 483 |
|
| 484 |
var direction = options.direction || 'center'; |
| 485 |
var moveTransition = options.moveTransition || Effect.Transitions.sinoidal; |
| 486 |
var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal; |
| 487 |
var opacityTransition = options.opacityTransition || Effect.Transitions.full; |
| 488 |
|
| 489 |
var initialMoveX, initialMoveY; |
| 490 |
var moveX, moveY; |
| 491 |
|
| 492 |
switch (direction) { |
| 493 |
case 'top-left': |
| 494 |
initialMoveX = initialMoveY = moveX = moveY = 0; |
| 495 |
break; |
| 496 |
case 'top-right': |
| 497 |
initialMoveX = originalWidth; |
| 498 |
initialMoveY = moveY = 0; |
| 499 |
moveX = -originalWidth; |
| 500 |
break; |
| 501 |
case 'bottom-left': |
| 502 |
initialMoveX = moveX = 0; |
| 503 |
initialMoveY = originalHeight; |
| 504 |
moveY = -originalHeight; |
| 505 |
break; |
| 506 |
case 'bottom-right': |
| 507 |
initialMoveX = originalWidth; |
| 508 |
initialMoveY = originalHeight; |
| 509 |
moveX = -originalWidth; |
| 510 |
moveY = -originalHeight; |
| 511 |
break; |
| 512 |
case 'center': |
| 513 |
initialMoveX = originalWidth / 2; |
| 514 |
initialMoveY = originalHeight / 2; |
| 515 |
moveX = -originalWidth / 2; |
| 516 |
moveY = -originalHeight / 2; |
| 517 |
break; |
| 518 |
} |
| 519 |
|
| 520 |
new Effect.MoveBy(element, initialMoveY, initialMoveX, { |
| 521 |
duration: 0.01, |
| 522 |
beforeUpdate: function(effect) { $(element).style.height = '0px'; }, |
| 523 |
afterFinish: function(effect) { |
| 524 |
new Effect.Parallel( |
| 525 |
[ new Effect.Opacity(element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }), |
| 526 |
new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition }), |
| 527 |
new Effect.Scale(element, 100, { |
| 528 |
scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth }, |
| 529 |
sync: true, scaleFrom: 0, scaleTo: 100, transition: scaleTransition })], |
| 530 |
options); } |
| 531 |
}); |
| 532 |
} |
| 533 |
|
| 534 |
Effect.Shrink = function(element) { |
| 535 |
element = $(element); |
| 536 |
var options = arguments[1] || {}; |
| 537 |
|
| 538 |
var originalWidth = element.clientWidth; |
| 539 |
var originalHeight = element.clientHeight; |
| 540 |
element.style.overflow = 'hidden'; |
| 541 |
Element.show(element); |
| 542 |
|
| 543 |
var direction = options.direction || 'center'; |
| 544 |
var moveTransition = options.moveTransition || Effect.Transitions.sinoidal; |
| 545 |
var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal; |
| 546 |
var opacityTransition = options.opacityTransition || Effect.Transitions.none; |
| 547 |
|
| 548 |
var moveX, moveY; |
| 549 |
|
| 550 |
switch (direction) { |
| 551 |
case 'top-left': |
| 552 |
moveX = moveY = 0; |
| 553 |
break; |
| 554 |
case 'top-right': |
| 555 |
moveX = originalWidth; |
| 556 |
moveY = 0; |
| 557 |
break; |
| 558 |
case 'bottom-left': |
| 559 |
moveX = 0; |
| 560 |
moveY = originalHeight; |
| 561 |
break; |
| 562 |
case 'bottom-right': |
| 563 |
moveX = originalWidth; |
| 564 |
moveY = originalHeight; |
| 565 |
break; |
| 566 |
case 'center': |
| 567 |
moveX = originalWidth / 2; |
| 568 |
moveY = originalHeight / 2; |
| 569 |
break; |
| 570 |
} |
| 571 |
|
| 572 |
new Effect.Parallel( |
| 573 |
[ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }), |
| 574 |
new Effect.Scale(element, 0, { sync: true, transition: moveTransition }), |
| 575 |
new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: scaleTransition }) ], |
| 576 |
options); |
| 577 |
} |
| 578 |
|
| 579 |
Effect.Pulsate = function(element) { |
| 580 |
var options = arguments[1] || {}; |
| 581 |
var transition = options.transition || Effect.Transitions.sinoidal; |
| 582 |
var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) }; |
| 583 |
reverser.bind(transition); |
| 584 |
new Effect.Opacity(element, |
| 585 |
Object.extend(Object.extend({ duration: 3.0, |
| 586 |
afterFinish: function(effect) { Element.show(effect.element); } |
| 587 |
}, options), {transition: reverser})); |
| 588 |
} |
| 589 |
|
| 590 |
Effect.Fold = function(element) { |
| 591 |
$(element).style.overflow = 'hidden'; |
| 592 |
new Effect.Scale(element, 5, Object.extend({ |
| 593 |
scaleContent: false, |
| 594 |
scaleTo: 100, |
| 595 |
scaleX: false, |
| 596 |
afterFinish: function(effect) { |
| 597 |
new Effect.Scale(element, 1, { |
| 598 |
scaleContent: false, |
| 599 |
scaleTo: 0, |
| 600 |
scaleY: false, |
| 601 |
afterFinish: function(effect) { Element.hide(effect.element) } }); |
| 602 |
}}, arguments[1] || {})); |
| 603 |
} |
| 604 |
|
| 605 |
// old: new Effect.ContentZoom(element, percent) |
| 606 |
// new: Element.setContentZoom(element, percent) |
| 607 |
|
| 608 |
Element.setContentZoom = function(element, percent) { |
| 609 |
var element = $(element); |
| 610 |
element.style.fontSize = (percent/100) + "em"; |
| 611 |
if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); |
| 612 |
} |
Parent Directory
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Revision Log