83 lines
2 KiB
JavaScript
83 lines
2 KiB
JavaScript
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//by Valerio Proietti (http://mad4milk.net). MIT-style license.
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//moo.fx.pack.js - depends on prototype.js or prototype.lite.js + moo.fx.js
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//version 2.0
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Fx.Scroll = Class.create();
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Fx.Scroll.prototype = Object.extend(new Fx.Base(), {
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initialize: function(el, options) {
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this.element = $(el);
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this.setOptions(options);
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this.element.style.overflow = 'hidden';
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},
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down: function(){
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return this.custom(this.element.scrollTop, this.element.scrollHeight-this.element.offsetHeight);
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},
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up: function(){
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return this.custom(this.element.scrollTop, 0);
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},
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increase: function(){
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this.element.scrollTop = this.now;
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}
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});
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//fx.Color, originally by Tom Jensen (http://neuemusic.com) MIT-style LICENSE.
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Fx.Color = Class.create();
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Fx.Color.prototype = Object.extend(new Fx.Base(), {
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initialize: function(el, property, options){
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this.element = $(el);
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this.setOptions(options);
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this.property = property.camelize();
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this.now = [];
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},
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custom: function(from, to){
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return this._start(from.hexToRgb(true), to.hexToRgb(true));
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},
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setNow: function(){
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[0,1,2].each(function(i){
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this.now[i] = Math.round(this.compute(this.from[i], this.to[i]));
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}.bind(this));
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},
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increase: function(){
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this.element.style[this.property] = "rgb("+this.now[0]+","+this.now[1]+","+this.now[2]+")";
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}
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});
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Object.extend(String.prototype, {
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rgbToHex: function(array){
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var rgb = this.match(new RegExp('([\\d]{1,3})', 'g'));
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if (rgb[3] == 0) return 'transparent';
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var hex = [];
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for (var i = 0; i < 3; i++){
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var bit = (rgb[i]-0).toString(16);
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hex.push(bit.length == 1 ? '0'+bit : bit);
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}
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var hexText = '#'+hex.join('');
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if (array) return hex;
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else return hexText;
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},
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hexToRgb: function(array){
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var hex = this.match(new RegExp('^[#]{0,1}([\\w]{1,2})([\\w]{1,2})([\\w]{1,2})$'));
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var rgb = [];
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for (var i = 1; i < hex.length; i++){
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if (hex[i].length == 1) hex[i] += hex[i];
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rgb.push(parseInt(hex[i], 16));
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}
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var rgbText = 'rgb('+rgb.join(',')+')';
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if (array) return rgb;
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else return rgbText;
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}
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});
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