349 lines
12 KiB
JavaScript
349 lines
12 KiB
JavaScript
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// Copyright (c) 2005 Thomas Fuchs (http://mir.aculo.us)
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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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Effect2 = {}
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/* ------------- transitions ------------- */
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Effect2.Transitions = {}
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Effect2.Transitions.linear = function(pos) {
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return pos;
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}
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Effect2.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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Effect2.Transitions.reverse = function(pos) {
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return 1-pos;
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}
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Effect2.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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Effect2.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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/* ------------- core effects ------------- */
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Effect2.Base = function() {};
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Effect2.Base.prototype = {
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setOptions: function(options) {
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this.options = {
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transition: Effect2.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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}.extend(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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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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pos = (timePos - this.startOn) / (this.finishOn - this.startOn);
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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 = 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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Effect2.Parallel = Class.create();
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Effect2.Parallel.prototype = (new Effect2.Base()).extend({
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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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Effect2.Opacity = Class.create();
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Effect2.Opacity.prototype = (new Effect2.Base()).extend({
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initialize: function() {
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this.element = $(arguments[0] || document.rootElement);
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options = {
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from: 0.0,
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to: 1.0
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}.extend(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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Effect2.MoveBy = Class.create();
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Effect2.MoveBy.prototype = (new Effect2.Base()).extend({
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initialize: function(element, toTop, toLeft) {
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this.element = $(element);
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this.originalTop =
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this.element.style.top ? parseFloat(this.element.style.top) : 0;
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this.originalLeft =
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this.element.style.left ? parseFloat(this.element.style.left) : 0;
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this.toTop = toTop;
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this.toLeft = toLeft;
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if(this.element.style.position == "")
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this.element.style.position = "relative";
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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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Effect2.Scale = Class.create();
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Effect2.Scale.prototype = (new Effect2.Base()).extend({
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initialize: function(element, percent) {
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this.element = $(element)
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options = {
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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'
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scaleFrom: 100.0
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}.extend(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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}
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this.start(options);
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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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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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/* ------------- prepackaged effects ------------- */
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Effect2.Fade = function(element) {
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options = {
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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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}.extend(arguments[1] || {});
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new Effect2.Opacity(element,options);
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}
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Effect2.Appear = function(element) {
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options = {
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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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}.extend(arguments[1] || {});
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new Effect2.Opacity(element,options);
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}
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Effect2.Puff = function(element) {
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new Effect2.Parallel(
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[ new Effect2.Scale(element, 200, { sync: true, scaleFromCenter: true }),
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new Effect2.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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Effect2.BlindUp = function(element) {
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$(element).style.overflow = 'hidden';
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new Effect2.Scale(element, 0,
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{ scaleContent: false,
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scaleX: false,
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afterFinish: function(effect)
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{ Element.hide(effect.element) }
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}.extend(arguments[1] || {})
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);
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}
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Effect2.BlindDown = function(element) {
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$(element).style.height = '0px';
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$(element).style.overflow = 'hidden';
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Element.show(element);
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new Effect2.Scale(element, 100,
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{ scaleContent: false,
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scaleX: false,
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scaleMode: 'contents',
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scaleFrom: 0
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}.extend(arguments[1] || {})
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);
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}
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Effect2.SwitchOff = function(element) {
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new Effect2.Appear(element,
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{ duration: 0.4,
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transition: Effect2.Transitions.flicker,
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afterFinish: function(effect)
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{ effect.element.style.overflow = 'hidden';
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new Effect2.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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Effect2.DropOut = function(element) {
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new Effect2.Parallel(
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[ new Effect2.MoveBy(element, 100, 0, { sync: true }),
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new Effect2.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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Effect2.Shake = function(element) {
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new Effect2.MoveBy(element, 0, 20,
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{ duration: 0.05, afterFinish: function(effect) {
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new Effect2.MoveBy(effect.element, 0, -40,
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{ duration: 0.1, afterFinish: function(effect) {
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new Effect2.MoveBy(effect.element, 0, 40,
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{ duration: 0.1, afterFinish: function(effect) {
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new Effect2.MoveBy(effect.element, 0, -40,
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{ duration: 0.1, afterFinish: function(effect) {
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new Effect2.MoveBy(effect.element, 0, 40,
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{ duration: 0.1, afterFinish: function(effect) {
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new Effect2.MoveBy(effect.element, 0, -20,
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{ duration: 0.05, afterFinish: function(effect) {
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}}) }}) }}) }}) }}) }});
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}
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Effect2.SlideDown = function(element) {
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$(element).style.height = '0px';
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$(element).style.overflow = 'hidden';
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$(element).firstChild.style.position = 'relative';
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Element.show(element);
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new Effect2.Scale(element, 100,
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{ scaleContent: false,
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scaleX: false,
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scaleMode: 'contents',
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scaleFrom: 0,
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afterUpdate: function(effect)
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{ effect.element.firstChild.style.bottom =
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(effect.originalHeight - effect.element.clientHeight) + 'px'; }
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}.extend(arguments[1] || {})
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);
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}
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Effect2.SlideUp = function(element) {
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$(element).style.overflow = 'hidden';
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$(element).firstChild.style.position = 'relative';
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Element.show(element);
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new Effect2.Scale(element, 0,
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{ scaleContent: false,
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scaleX: false,
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afterUpdate: function(effect)
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{ effect.element.firstChild.style.bottom =
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(effect.originalHeight - effect.element.clientHeight) + 'px'; },
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afterFinish: function(effect)
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{ Element.hide(effect.element); }
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}.extend(arguments[1] || {})
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);
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}
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