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// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
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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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// 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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// 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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// For details, see the script.aculo.us web site: http://script.aculo.us/
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// script.aculo.us effects.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
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// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
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// Justin Palmer (http://encytemedia.com/)
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// Mark Pilgrim (http://diveintomark.org/)
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// script.aculo.us is freely distributable under the terms of an MIT-style license.
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// For details, see the script.aculo.us web site: http://script.aculo.us/
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// converts rgb() and #xxx to #xxxxxx format,
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// returns self (or first argument) if not convertable
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String.prototype.parseColor = function() {
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if(this.slice(0,4) == 'rgb(') {
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var cols = this.slice(4,this.length-1).split(',');
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var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
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if(this.slice(0,1) == '#') {
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if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
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if(this.length==7) color = this.toLowerCase();
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return(color.length==7 ? color : (arguments[0] || this));
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/*--------------------------------------------------------------------------*/
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Element.collectTextNodes = function(element) {
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return $A($(element).childNodes).collect( function(node) {
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return (node.nodeType==3 ? node.nodeValue :
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(node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
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}).flatten().join('');
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Element.collectTextNodesIgnoreClass = function(element, className) {
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return $A($(element).childNodes).collect( function(node) {
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return (node.nodeType==3 ? node.nodeValue :
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((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
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Element.collectTextNodesIgnoreClass(node, className) : ''));
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}).flatten().join('');
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Element.setContentZoom = function(element, percent) {
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element.setStyle({fontSize: (percent/100) + 'em'});
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if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
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Element.getOpacity = function(element){
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return $(element).getStyle('opacity');
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Element.setOpacity = function(element, value){
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return $(element).setStyle({opacity:value});
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Element.getInlineOpacity = function(element){
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return $(element).style.opacity || '';
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Element.forceRerendering = function(element) {
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var n = document.createTextNode(' ');
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element.appendChild(n);
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element.removeChild(n);
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/*--------------------------------------------------------------------------*/
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Array.prototype.call = function() {
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this.each(function(f){ f.apply(this, args) });
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/*--------------------------------------------------------------------------*/
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_elementDoesNotExistError: {
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name: 'ElementDoesNotExistError',
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message: 'The specified DOM element does not exist, but is required for this effect to operate'
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tagifyText: function(element) {
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if(typeof Builder == 'undefined')
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throw("Effect.tagifyText requires including script.aculo.us' builder.js library");
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var tagifyStyle = 'position:relative';
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if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1';
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element = $(element);
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$A(element.childNodes).each( function(child) {
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if(child.nodeType==3) {
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child.nodeValue.toArray().each( function(character) {
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element.insertBefore(
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Builder.node('span',{style: tagifyStyle},
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character == ' ' ? String.fromCharCode(160) : character),
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Element.remove(child);
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multiple: function(element, effect) {
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if(((typeof element == 'object') ||
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(typeof element == 'function')) &&
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elements = $(element).childNodes;
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var options = Object.extend({
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}, arguments[2] || {});
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var masterDelay = options.delay;
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$A(elements).each( function(element, index) {
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new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
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'slide': ['SlideDown','SlideUp'],
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'blind': ['BlindDown','BlindUp'],
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'appear': ['Appear','Fade']
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toggle: function(element, effect) {
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element = $(element);
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effect = (effect || 'appear').toLowerCase();
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var options = Object.extend({
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queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
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}, arguments[2] || {});
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Effect[element.visible() ?
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Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
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var Effect2 = Effect; // deprecated
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/* ------------- transitions ------------- */
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Effect.Transitions = {
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sinoidal: function(pos) {
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return (-Math.cos(pos*Math.PI)/2) + 0.5;
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reverse: function(pos) {
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flicker: function(pos) {
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return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
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wobble: function(pos) {
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return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
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pulse: function(pos, pulses) {
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pulses = pulses || 5;
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Math.round((pos % (1/pulses)) * pulses) == 0 ?
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((pos * pulses * 2) - Math.floor(pos * pulses * 2)) :
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1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))
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none: function(pos) {
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full: function(pos) {
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/* ------------- core effects ------------- */
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Effect.ScopedQueue = Class.create();
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Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
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initialize: function() {
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this.interval = null;
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_each: function(iterator) {
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this.effects._each(iterator);
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add: function(effect) {
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var timestamp = new Date().getTime();
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var position = (typeof effect.options.queue == 'string') ?
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effect.options.queue : effect.options.queue.position;
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// move unstarted effects after this effect
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this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
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e.startOn += effect.finishOn;
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e.finishOn += effect.finishOn;
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timestamp = this.effects.pluck('startOn').max() || timestamp;
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// start effect after last queued effect has finished
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timestamp = this.effects.pluck('finishOn').max() || timestamp;
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effect.startOn += timestamp;
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effect.finishOn += timestamp;
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if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
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this.effects.push(effect);
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this.interval = setInterval(this.loop.bind(this), 15);
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remove: function(effect) {
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this.effects = this.effects.reject(function(e) { return e==effect });
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if(this.effects.length == 0) {
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clearInterval(this.interval);
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this.interval = null;
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var timePos = new Date().getTime();
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for(var i=0, len=this.effects.length;i<len;i++)
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if(this.effects[i]) this.effects[i].loop(timePos);
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get: function(queueName) {
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if(typeof queueName != 'string') return queueName;
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if(!this.instances[queueName])
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this.instances[queueName] = new Effect.ScopedQueue();
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return this.instances[queueName];
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Effect.Queue = Effect.Queues.get('global');
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Effect.DefaultOptions = {
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transition: Effect.Transitions.sinoidal,
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duration: 1.0, // seconds
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fps: 60.0, // max. 60fps due to Effect.Queue implementation
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sync: false, // true for combining
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Effect.Base = function() {};
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Effect.Base.prototype = {
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start: function(options) {
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this.options = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
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this.currentFrame = 0;
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this.startOn = this.options.delay*1000;
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this.finishOn = this.startOn + (this.options.duration*1000);
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this.event('beforeStart');
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if(!this.options.sync)
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Effect.Queues.get(typeof this.options.queue == 'string' ?
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'global' : this.options.queue.scope).add(this);
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loop: function(timePos) {
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if(timePos >= this.startOn) {
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if(timePos >= this.finishOn) {
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this.event('beforeFinish');
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if(this.finish) this.finish();
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this.event('afterFinish');
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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.currentFrame = frame;
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render: function(pos) {
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if(this.state == 'idle') {
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this.state = 'running';
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this.event('beforeSetup');
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if(this.setup) this.setup();
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this.event('afterSetup');
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if(this.state == 'running') {
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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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this.event('beforeUpdate');
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if(this.update) this.update(pos);
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this.event('afterUpdate');
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if(!this.options.sync)
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Effect.Queues.get(typeof this.options.queue == 'string' ?
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'global' : this.options.queue.scope).remove(this);
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this.state = 'finished';
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event: function(eventName) {
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if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
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if(this.options[eventName]) this.options[eventName](this);
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inspect: function() {
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for(property in this)
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if(typeof this[property] != 'function') data[property] = this[property];
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return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
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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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update: function(position) {
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this.effects.invoke('render', position);
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finish: function(position) {
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this.effects.each( function(effect) {
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effect.event('beforeFinish');
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if(effect.finish) effect.finish(position);
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effect.event('afterFinish');
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Effect.Event = Class.create();
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Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {
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initialize: function() {
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var options = Object.extend({
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}, arguments[0] || {});
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update: Prototype.emptyFunction
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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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if(!this.element) throw(Effect._elementDoesNotExistError);
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// make this work on IE on elements without 'layout'
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if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
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this.element.setStyle({zoom: 1});
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var options = Object.extend({
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from: this.element.getOpacity() || 0.0,
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}, arguments[1] || {});
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update: function(position) {
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this.element.setOpacity(position);
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Effect.Move = Class.create();
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Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
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initialize: function(element) {
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this.element = $(element);
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if(!this.element) throw(Effect._elementDoesNotExistError);
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var options = Object.extend({
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}, arguments[1] || {});
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// Bug in Opera: Opera returns the "real" position of a static element or
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// relative element that does not have top/left explicitly set.
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// ==> Always set top and left for position relative elements in your stylesheets
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// (to 0 if you do not need them)
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this.element.makePositioned();
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this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
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this.originalTop = parseFloat(this.element.getStyle('top') || '0');
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if(this.options.mode == 'absolute') {
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// absolute movement, so we need to calc deltaX and deltaY
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this.options.x = this.options.x - this.originalLeft;
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this.options.y = this.options.y - this.originalTop;
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update: function(position) {
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this.element.setStyle({
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left: Math.round(this.options.x * position + this.originalLeft) + 'px',
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top: Math.round(this.options.y * position + this.originalTop) + 'px'
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// for backwards compatibility
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Effect.MoveBy = function(element, toTop, toLeft) {
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return new Effect.Move(element,
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Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
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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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if(!this.element) throw(Effect._elementDoesNotExistError);
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var options = Object.extend({
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scaleFromCenter: false,
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scaleMode: 'box', // 'box' or 'contents' or {} with provided values
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}, arguments[2] || {});
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this.restoreAfterFinish = this.options.restoreAfterFinish || false;
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this.elementPositioning = this.element.getStyle('position');
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this.originalStyle = {};
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['top','left','width','height','fontSize'].each( function(k) {
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this.originalStyle[k] = this.element.style[k];
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this.originalTop = this.element.offsetTop;
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this.originalLeft = this.element.offsetLeft;
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var fontSize = this.element.getStyle('font-size') || '100%';
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['em','px','%','pt'].each( function(fontSizeType) {
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if(fontSize.indexOf(fontSizeType)>0) {
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this.fontSize = parseFloat(fontSize);
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this.fontSizeType = fontSizeType;
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this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
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if(this.options.scaleMode=='box')
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this.dims = [this.element.offsetHeight, this.element.offsetWidth];
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if(/^content/.test(this.options.scaleMode))
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this.dims = [this.element.scrollHeight, this.element.scrollWidth];
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this.dims = [this.options.scaleMode.originalHeight,
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this.options.scaleMode.originalWidth];
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update: function(position) {
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var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
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if(this.options.scaleContent && this.fontSize)
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this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
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this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
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finish: function(position) {
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if(this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
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setDimensions: function(height, width) {
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if(this.options.scaleX) d.width = Math.round(width) + 'px';
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if(this.options.scaleY) d.height = Math.round(height) + 'px';
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if(this.options.scaleFromCenter) {
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var topd = (height - this.dims[0])/2;
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var leftd = (width - this.dims[1])/2;
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if(this.elementPositioning == 'absolute') {
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if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
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if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
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if(this.options.scaleY) d.top = -topd + 'px';
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if(this.options.scaleX) d.left = -leftd + 'px';
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this.element.setStyle(d);
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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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if(!this.element) throw(Effect._elementDoesNotExistError);
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var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
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// Prevent executing on elements not in the layout flow
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if(this.element.getStyle('display')=='none') { this.cancel(); return; }
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// Disable background image during the effect
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if (!this.options.keepBackgroundImage) {
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this.oldStyle.backgroundImage = this.element.getStyle('background-image');
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this.element.setStyle({backgroundImage: 'none'});
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if(!this.options.endcolor)
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this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
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if(!this.options.restorecolor)
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this.options.restorecolor = this.element.getStyle('background-color');
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// init color calculations
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this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
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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));
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update: function(position) {
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this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
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return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
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this.element.setStyle(Object.extend(this.oldStyle, {
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backgroundColor: this.options.restorecolor
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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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this.start(arguments[1] || {});
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var offsets = Position.cumulativeOffset(this.element);
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if(this.options.offset) offsets[1] += this.options.offset;
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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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update: function(position) {
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window.scrollTo(Position.deltaX,
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this.scrollStart + (position*this.delta));
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/* ------------- combination effects ------------- */
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Effect.Fade = function(element) {
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element = $(element);
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var oldOpacity = element.getInlineOpacity();
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var options = Object.extend({
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from: element.getOpacity() || 1.0,
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afterFinishInternal: function(effect) {
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if(effect.options.to!=0) return;
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effect.element.hide().setStyle({opacity: oldOpacity});
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}}, arguments[1] || {});
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return new Effect.Opacity(element,options);
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Effect.Appear = function(element) {
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element = $(element);
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var options = Object.extend({
591
from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
593
// force Safari to render floated elements properly
594
afterFinishInternal: function(effect) {
595
effect.element.forceRerendering();
597
beforeSetup: function(effect) {
598
effect.element.setOpacity(effect.options.from).show();
599
}}, arguments[1] || {});
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return new Effect.Opacity(element,options);
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Effect.Puff = function(element) {
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element = $(element);
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opacity: element.getInlineOpacity(),
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position: element.getStyle('position'),
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top: element.style.top,
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left: element.style.left,
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width: element.style.width,
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height: element.style.height
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return new Effect.Parallel(
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[ new Effect.Scale(element, 200,
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{ sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
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new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
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Object.extend({ duration: 1.0,
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beforeSetupInternal: function(effect) {
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Position.absolutize(effect.effects[0].element)
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afterFinishInternal: function(effect) {
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effect.effects[0].element.hide().setStyle(oldStyle); }
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}, arguments[1] || {})
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Effect.BlindUp = function(element) {
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element = $(element);
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element.makeClipping();
630
return new Effect.Scale(element, 0,
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Object.extend({ scaleContent: false,
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restoreAfterFinish: true,
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afterFinishInternal: function(effect) {
635
effect.element.hide().undoClipping();
637
}, arguments[1] || {})
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Effect.BlindDown = function(element) {
642
element = $(element);
643
var elementDimensions = element.getDimensions();
644
return new Effect.Scale(element, 100, Object.extend({
648
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
649
restoreAfterFinish: true,
650
afterSetup: function(effect) {
651
effect.element.makeClipping().setStyle({height: '0px'}).show();
653
afterFinishInternal: function(effect) {
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effect.element.undoClipping();
656
}, arguments[1] || {}));
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Effect.SwitchOff = function(element) {
660
element = $(element);
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var oldOpacity = element.getInlineOpacity();
662
return new Effect.Appear(element, Object.extend({
665
transition: Effect.Transitions.flicker,
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afterFinishInternal: function(effect) {
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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, restoreAfterFinish: true,
670
beforeSetup: function(effect) {
671
effect.element.makePositioned().makeClipping();
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afterFinishInternal: function(effect) {
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effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
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}, arguments[1] || {}));
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Effect.DropOut = function(element) {
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element = $(element);
684
top: element.getStyle('top'),
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left: element.getStyle('left'),
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opacity: element.getInlineOpacity() };
687
return new Effect.Parallel(
688
[ new Effect.Move(element, {x: 0, y: 100, sync: true }),
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new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
692
beforeSetup: function(effect) {
693
effect.effects[0].element.makePositioned();
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afterFinishInternal: function(effect) {
696
effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
698
}, arguments[1] || {}));
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Effect.Shake = function(element) {
702
element = $(element);
704
top: element.getStyle('top'),
705
left: element.getStyle('left') };
706
return new Effect.Move(element,
707
{ x: 20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
708
new Effect.Move(effect.element,
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{ x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
710
new Effect.Move(effect.element,
711
{ x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
712
new Effect.Move(effect.element,
713
{ x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
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new Effect.Move(effect.element,
715
{ x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
716
new Effect.Move(effect.element,
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{ x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
718
effect.element.undoPositioned().setStyle(oldStyle);
719
}}) }}) }}) }}) }}) }});
722
Effect.SlideDown = function(element) {
723
element = $(element).cleanWhitespace();
724
// SlideDown need to have the content of the element wrapped in a container element with fixed height!
725
var oldInnerBottom = element.down().getStyle('bottom');
726
var elementDimensions = element.getDimensions();
727
return new Effect.Scale(element, 100, Object.extend({
730
scaleFrom: window.opera ? 0 : 1,
731
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
732
restoreAfterFinish: true,
733
afterSetup: function(effect) {
734
effect.element.makePositioned();
735
effect.element.down().makePositioned();
736
if(window.opera) effect.element.setStyle({top: ''});
737
effect.element.makeClipping().setStyle({height: '0px'}).show();
739
afterUpdateInternal: function(effect) {
740
effect.element.down().setStyle({bottom:
741
(effect.dims[0] - effect.element.clientHeight) + 'px' });
743
afterFinishInternal: function(effect) {
744
effect.element.undoClipping().undoPositioned();
745
effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
746
}, arguments[1] || {})
750
Effect.SlideUp = function(element) {
751
element = $(element).cleanWhitespace();
752
var oldInnerBottom = element.down().getStyle('bottom');
753
return new Effect.Scale(element, window.opera ? 0 : 1,
754
Object.extend({ scaleContent: false,
758
restoreAfterFinish: true,
759
beforeStartInternal: function(effect) {
760
effect.element.makePositioned();
761
effect.element.down().makePositioned();
762
if(window.opera) effect.element.setStyle({top: ''});
763
effect.element.makeClipping().show();
765
afterUpdateInternal: function(effect) {
766
effect.element.down().setStyle({bottom:
767
(effect.dims[0] - effect.element.clientHeight) + 'px' });
769
afterFinishInternal: function(effect) {
770
effect.element.hide().undoClipping().undoPositioned().setStyle({bottom: oldInnerBottom});
771
effect.element.down().undoPositioned();
773
}, arguments[1] || {})
777
// Bug in opera makes the TD containing this element expand for a instance after finish
778
Effect.Squish = function(element) {
779
return new Effect.Scale(element, window.opera ? 1 : 0, {
780
restoreAfterFinish: true,
781
beforeSetup: function(effect) {
782
effect.element.makeClipping();
784
afterFinishInternal: function(effect) {
785
effect.element.hide().undoClipping();
790
Effect.Grow = function(element) {
791
element = $(element);
792
var options = Object.extend({
794
moveTransition: Effect.Transitions.sinoidal,
795
scaleTransition: Effect.Transitions.sinoidal,
796
opacityTransition: Effect.Transitions.full
797
}, arguments[1] || {});
799
top: element.style.top,
800
left: element.style.left,
801
height: element.style.height,
802
width: element.style.width,
803
opacity: element.getInlineOpacity() };
805
var dims = element.getDimensions();
806
var initialMoveX, initialMoveY;
809
switch (options.direction) {
811
initialMoveX = initialMoveY = moveX = moveY = 0;
814
initialMoveX = dims.width;
815
initialMoveY = moveY = 0;
819
initialMoveX = moveX = 0;
820
initialMoveY = dims.height;
821
moveY = -dims.height;
824
initialMoveX = dims.width;
825
initialMoveY = dims.height;
827
moveY = -dims.height;
830
initialMoveX = dims.width / 2;
831
initialMoveY = dims.height / 2;
832
moveX = -dims.width / 2;
833
moveY = -dims.height / 2;
837
return new Effect.Move(element, {
841
beforeSetup: function(effect) {
842
effect.element.hide().makeClipping().makePositioned();
844
afterFinishInternal: function(effect) {
846
[ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
847
new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
848
new Effect.Scale(effect.element, 100, {
849
scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
850
sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
852
beforeSetup: function(effect) {
853
effect.effects[0].element.setStyle({height: '0px'}).show();
855
afterFinishInternal: function(effect) {
856
effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
864
Effect.Shrink = function(element) {
865
element = $(element);
866
var options = Object.extend({
868
moveTransition: Effect.Transitions.sinoidal,
869
scaleTransition: Effect.Transitions.sinoidal,
870
opacityTransition: Effect.Transitions.none
871
}, arguments[1] || {});
873
top: element.style.top,
874
left: element.style.left,
875
height: element.style.height,
876
width: element.style.width,
877
opacity: element.getInlineOpacity() };
879
var dims = element.getDimensions();
882
switch (options.direction) {
899
moveX = dims.width / 2;
900
moveY = dims.height / 2;
904
return new Effect.Parallel(
905
[ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
906
new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
907
new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
909
beforeStartInternal: function(effect) {
910
effect.effects[0].element.makePositioned().makeClipping();
912
afterFinishInternal: function(effect) {
913
effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
918
Effect.Pulsate = function(element) {
919
element = $(element);
920
var options = arguments[1] || {};
921
var oldOpacity = element.getInlineOpacity();
922
var transition = options.transition || Effect.Transitions.sinoidal;
923
var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
924
reverser.bind(transition);
925
return new Effect.Opacity(element,
926
Object.extend(Object.extend({ duration: 2.0, from: 0,
927
afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
928
}, options), {transition: reverser}));
931
Effect.Fold = function(element) {
932
element = $(element);
934
top: element.style.top,
935
left: element.style.left,
936
width: element.style.width,
937
height: element.style.height };
938
element.makeClipping();
939
return new Effect.Scale(element, 5, Object.extend({
942
afterFinishInternal: function(effect) {
943
new Effect.Scale(element, 1, {
946
afterFinishInternal: function(effect) {
947
effect.element.hide().undoClipping().setStyle(oldStyle);
949
}}, arguments[1] || {}));
952
Effect.Morph = Class.create();
953
Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {
954
initialize: function(element) {
955
this.element = $(element);
956
if(!this.element) throw(Effect._elementDoesNotExistError);
957
var options = Object.extend({
959
}, arguments[1] || {});
960
if (typeof options.style == 'string') {
961
if(options.style.indexOf(':') == -1) {
962
var cssText = '', selector = '.' + options.style;
963
$A(document.styleSheets).reverse().each(function(styleSheet) {
964
if (styleSheet.cssRules) cssRules = styleSheet.cssRules;
965
else if (styleSheet.rules) cssRules = styleSheet.rules;
966
$A(cssRules).reverse().each(function(rule) {
967
if (selector == rule.selectorText) {
968
cssText = rule.style.cssText;
972
if (cssText) throw $break;
974
this.style = cssText.parseStyle();
975
options.afterFinishInternal = function(effect){
976
effect.element.addClassName(effect.options.style);
977
effect.transforms.each(function(transform) {
978
if(transform.style != 'opacity')
979
effect.element.style[transform.style.camelize()] = '';
982
} else this.style = options.style.parseStyle();
983
} else this.style = $H(options.style)
987
function parseColor(color){
988
if(!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
989
color = color.parseColor();
990
return $R(0,2).map(function(i){
991
return parseInt( color.slice(i*2+1,i*2+3), 16 )
994
this.transforms = this.style.map(function(pair){
995
var property = pair[0].underscore().dasherize(), value = pair[1], unit = null;
997
if(value.parseColor('#zzzzzz') != '#zzzzzz') {
998
value = value.parseColor();
1000
} else if(property == 'opacity') {
1001
value = parseFloat(value);
1002
if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
1003
this.element.setStyle({zoom: 1});
1004
} else if(Element.CSS_LENGTH.test(value))
1005
var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/),
1006
value = parseFloat(components[1]), unit = (components.length == 3) ? components[2] : null;
1008
var originalValue = this.element.getStyle(property);
1011
originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
1012
targetValue: unit=='color' ? parseColor(value) : value,
1015
}.bind(this)).reject(function(transform){
1017
(transform.originalValue == transform.targetValue) ||
1019
transform.unit != 'color' &&
1020
(isNaN(transform.originalValue) || isNaN(transform.targetValue))
1025
update: function(position) {
1026
var style = $H(), value = null;
1027
this.transforms.each(function(transform){
1028
value = transform.unit=='color' ?
1029
$R(0,2).inject('#',function(m,v,i){
1030
return m+(Math.round(transform.originalValue[i]+
1031
(transform.targetValue[i] - transform.originalValue[i])*position)).toColorPart() }) :
1032
transform.originalValue + Math.round(
1033
((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;
1034
style[transform.style] = value;
1036
this.element.setStyle(style);
1040
Effect.Transform = Class.create();
1041
Object.extend(Effect.Transform.prototype, {
1042
initialize: function(tracks){
1044
this.options = arguments[1] || {};
1045
this.addTracks(tracks);
1047
addTracks: function(tracks){
1048
tracks.each(function(track){
1049
var data = $H(track).values().first();
1050
this.tracks.push($H({
1051
ids: $H(track).keys().first(),
1052
effect: Effect.Morph,
1053
options: { style: data }
1059
return new Effect.Parallel(
1060
this.tracks.map(function(track){
1061
var elements = [$(track.ids) || $$(track.ids)].flatten();
1062
return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
1069
Element.CSS_PROPERTIES = $w(
1070
'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
1071
'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
1072
'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
1073
'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
1074
'fontSize fontWeight height left letterSpacing lineHeight ' +
1075
'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
1076
'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
1077
'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
1078
'right textIndent top width wordSpacing zIndex');
1080
Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
1082
String.prototype.parseStyle = function(){
1083
var element = Element.extend(document.createElement('div'));
1084
element.innerHTML = '<div style="' + this + '"></div>';
1085
var style = element.down().style, styleRules = $H();
1087
Element.CSS_PROPERTIES.each(function(property){
1088
if(style[property]) styleRules[property] = style[property];
1090
if(/MSIE/.test(navigator.userAgent) && !window.opera && this.indexOf('opacity') > -1) {
1091
styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];
1096
Element.morph = function(element, style) {
1097
new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));
1101
['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
1102
'collectTextNodes','collectTextNodesIgnoreClass','morph'].each(
1103
function(f) { Element.Methods[f] = Element[f]; }
1106
Element.Methods.visualEffect = function(element, effect, options) {
1107
s = effect.gsub(/_/, '-').camelize();
1108
effect_class = s.charAt(0).toUpperCase() + s.substring(1);
1109
new Effect[effect_class](element, options);
1113
Element.addMethods();
added
removed
slides/link/effects.js
