| /* |
| --- |
| name: Fx.ProgressBar |
| |
| description: Fx.ProgressBar |
| |
| requires: [Core/Fx.Transitions, Core/Fx, Core/Class] |
| |
| provides: [Fx.ProgressBar] |
| |
| version: 1.1 |
| |
| license: MIT License |
| |
| author: Harald Kirschner <http://digitarald.de> |
| ... |
| */ |
| |
| Fx.ProgressBar = new Class({ |
| |
| Extends: Fx, |
| |
| options: { |
| text: null, |
| url: null, |
| transition: Fx.Transitions.Circ.easeOut, |
| fit: true, |
| link: 'cancel' |
| }, |
| |
| initialize: function(element, options) { |
| this.element = document.id(element); |
| this.parent(options); |
| |
| var url = this.options.url; |
| if (url) { |
| this.element.setStyles({ |
| 'background-image': 'url(' + url + ')', |
| 'background-repeat': 'no-repeat' |
| }); |
| } |
| |
| if (this.options.fit) { |
| url = url || this.element.getStyle('background-image').replace(/^url\(["']?|["']?\)$/g, ''); |
| if (url) { |
| var fill = new Image(); |
| fill.onload = function() { |
| this.fill = fill.width; |
| fill = fill.onload = null; |
| this.set(this.now || 0); |
| }.bind(this); |
| fill.src = url; |
| if (!this.fill && fill.width) fill.onload(); |
| } |
| } else { |
| this.set(0); |
| } |
| }, |
| |
| start: function(to, total) { |
| return this.parent(this.now, (arguments.length == 1 || !total) ? to.limit(0, 100) : to / total * 100); |
| }, |
| |
| set: function(to) { |
| this.now = to; |
| var css = (this.fill) |
| ? (((this.fill / -2) + (to / 100) * (this.element.width || 1) || 0).round() + 'px') |
| : ((100 - to) + '%'); |
| |
| this.element.setStyle('backgroundPosition', css + ' 0px').title = Math.round(to) + '%'; |
| |
| var text = document.id(this.options.text); |
| if (text) text.set('text', Math.round(to) + '%'); |
| |
| return this; |
| } |
| |
| }); |
