613 lines
20 KiB
JavaScript
613 lines
20 KiB
JavaScript
// 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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Effect = {}
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Effect2 = Effect; // deprecated
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/* ------------- transitions ------------- */
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Effect.Transitions = {}
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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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/* ------------- element ext -------------- */
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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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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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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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/* ------------- core effects ------------- */
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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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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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// 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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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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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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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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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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// 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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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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// 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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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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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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/* ------------- prepackaged effects ------------- */
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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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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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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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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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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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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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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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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,
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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, -20,
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{ duration: 0.05, afterFinish: function(effect) {
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}}) }}) }}) }}) }}) }});
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}
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Effect.SlideDown = function(element) {
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element = $(element);
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element.style.height = '0px';
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Element.makeClipping(element);
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Element.cleanWhitespace(element);
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Element.makePositioned(element.firstChild);
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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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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.undoClipping(effect.element); }
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}, arguments[1] || {})
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);
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}
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Effect.SlideUp = function(element) {
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element = $(element);
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Element.makeClipping(element);
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Element.cleanWhitespace(element);
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Element.makePositioned(element.firstChild);
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Element.show(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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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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{
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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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Effect.Squish = function(element) {
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new Effect.Scale(element, 0,
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{ afterFinish: function(effect) { Element.hide(effect.element); } });
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}
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Effect.Grow = function(element) {
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element = $(element);
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var options = arguments[1] || {};
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var originalWidth = element.clientWidth;
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var originalHeight = element.clientHeight;
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element.style.overflow = 'hidden';
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Element.show(element);
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var direction = options.direction || 'center';
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var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
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var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
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var opacityTransition = options.opacityTransition || Effect.Transitions.full;
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var initialMoveX, initialMoveY;
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var moveX, moveY;
|
|
|
|
switch (direction) {
|
|
case 'top-left':
|
|
initialMoveX = initialMoveY = moveX = moveY = 0;
|
|
break;
|
|
case 'top-right':
|
|
initialMoveX = originalWidth;
|
|
initialMoveY = moveY = 0;
|
|
moveX = -originalWidth;
|
|
break;
|
|
case 'bottom-left':
|
|
initialMoveX = moveX = 0;
|
|
initialMoveY = originalHeight;
|
|
moveY = -originalHeight;
|
|
break;
|
|
case 'bottom-right':
|
|
initialMoveX = originalWidth;
|
|
initialMoveY = originalHeight;
|
|
moveX = -originalWidth;
|
|
moveY = -originalHeight;
|
|
break;
|
|
case 'center':
|
|
initialMoveX = originalWidth / 2;
|
|
initialMoveY = originalHeight / 2;
|
|
moveX = -originalWidth / 2;
|
|
moveY = -originalHeight / 2;
|
|
break;
|
|
}
|
|
|
|
new Effect.MoveBy(element, initialMoveY, initialMoveX, {
|
|
duration: 0.01,
|
|
beforeUpdate: function(effect) { $(element).style.height = '0px'; },
|
|
afterFinish: function(effect) {
|
|
new Effect.Parallel(
|
|
[ new Effect.Opacity(element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }),
|
|
new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition }),
|
|
new Effect.Scale(element, 100, {
|
|
scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth },
|
|
sync: true, scaleFrom: 0, scaleTo: 100, transition: scaleTransition })],
|
|
options); }
|
|
});
|
|
}
|
|
|
|
Effect.Shrink = function(element) {
|
|
element = $(element);
|
|
var options = arguments[1] || {};
|
|
|
|
var originalWidth = element.clientWidth;
|
|
var originalHeight = element.clientHeight;
|
|
element.style.overflow = 'hidden';
|
|
Element.show(element);
|
|
|
|
var direction = options.direction || 'center';
|
|
var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
|
|
var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
|
|
var opacityTransition = options.opacityTransition || Effect.Transitions.none;
|
|
|
|
var moveX, moveY;
|
|
|
|
switch (direction) {
|
|
case 'top-left':
|
|
moveX = moveY = 0;
|
|
break;
|
|
case 'top-right':
|
|
moveX = originalWidth;
|
|
moveY = 0;
|
|
break;
|
|
case 'bottom-left':
|
|
moveX = 0;
|
|
moveY = originalHeight;
|
|
break;
|
|
case 'bottom-right':
|
|
moveX = originalWidth;
|
|
moveY = originalHeight;
|
|
break;
|
|
case 'center':
|
|
moveX = originalWidth / 2;
|
|
moveY = originalHeight / 2;
|
|
break;
|
|
}
|
|
|
|
new Effect.Parallel(
|
|
[ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }),
|
|
new Effect.Scale(element, 0, { sync: true, transition: moveTransition }),
|
|
new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: scaleTransition }) ],
|
|
options);
|
|
}
|
|
|
|
Effect.Pulsate = function(element) {
|
|
var options = arguments[1] || {};
|
|
var transition = options.transition || Effect.Transitions.sinoidal;
|
|
var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
|
|
reverser.bind(transition);
|
|
new Effect.Opacity(element,
|
|
Object.extend(Object.extend({ duration: 3.0,
|
|
afterFinish: function(effect) { Element.show(effect.element); }
|
|
}, options), {transition: reverser}));
|
|
}
|
|
|
|
Effect.Fold = function(element) {
|
|
$(element).style.overflow = 'hidden';
|
|
new Effect.Scale(element, 5, Object.extend({
|
|
scaleContent: false,
|
|
scaleTo: 100,
|
|
scaleX: false,
|
|
afterFinish: function(effect) {
|
|
new Effect.Scale(element, 1, {
|
|
scaleContent: false,
|
|
scaleTo: 0,
|
|
scaleY: false,
|
|
afterFinish: function(effect) { Element.hide(effect.element) } });
|
|
}}, arguments[1] || {}));
|
|
}
|
|
|
|
// old: new Effect.ContentZoom(element, percent)
|
|
// new: Element.setContentZoom(element, percent)
|
|
|
|
Element.setContentZoom = function(element, percent) {
|
|
var element = $(element);
|
|
element.style.fontSize = (percent/100) + "em";
|
|
if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
|
|
}
|