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ToProgress.js
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ToProgress.js
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/*
** ToProgress v0.1.1
** http://github.com/djyde/ToProgress
*/
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
define([], factory)
} else if (typeof exports === 'object') {
module.exports = factory()
} else {
root.ToProgress = factory()
}
})(this, function() {
// Animation Detection
function whichTransitionEvent(){
var t,
el = document.createElement("fakeelement");
var transitions = {
"transition" : "transitionend",
"OTransition" : "oTransitionEnd",
"MozTransition" : "transitionend",
"WebkitTransition": "webkitTransitionEnd"
}
for (t in transitions){
if (el.style[t] !== undefined){
return transitions[t];
}
}
}
var transitionEvent = whichTransitionEvent();
function ToProgress(opt, selector) {
// Attributes
this.progress = 0;
this.options = {
id: 'top-progress-bar',
color: '#F44336',
height: '2px',
duration: 0.2
};
if (opt && typeof opt === 'object') {
for (var key in opt) {
this.options[key] = opt[key];
}
}
this.options.opacityDuration = this.options.duration * 3;
this.progressBar = document.createElement('div');
// Initialization
this.progressBar.id = this.options.id;
this.progressBar.setCSS = function(style) {
for(var property in style){
this.style[property] = style[property];
}
}
this.progressBar.setCSS({
"position": selector ? "relative" : "fixed",
"top": "0",
"left": "0",
"right": "0",
"background-color": this.options.color,
"height": this.options.height,
"width": "0%",
"transition": "width " + this.options.duration + "s" + ", opacity " + this.options.opacityDuration + "s",
"-moz-transition": "width " + this.options.duration + "s" + ", opacity " + this.options.opacityDuration + "s",
"-webkit-transition": "width " + this.options.duration + "s" + ", opacity " + this.options.opacityDuration + "s"
});
// Create the Progress Bar
if (selector) {
var el = document.querySelector(selector);
if (el) {
if (el.hasChildNodes()) {
el.insertBefore(this.progressBar, el.firstChild);
} else {
el.appendChild(this.progressBar);
}
}
} else {
document.body.appendChild(this.progressBar);
}
}
ToProgress.prototype.transit = function() {
this.progressBar.style.width = this.progress + '%';
}
ToProgress.prototype.getProgress = function() {
return this.progress;
}
ToProgress.prototype.setProgress = function(progress, callback) {
this.show();
if (progress > 100) {
this.progress = 100;
} else if (progress < 0) {
this.progress = 0;
} else {
this.progress = progress;
}
this.transit();
callback && callback();
}
ToProgress.prototype.increase = function(toBeIncreasedProgress, callback) {
this.show();
this.setProgress(this.progress + toBeIncreasedProgress, callback);
}
ToProgress.prototype.decrease = function(toBeDecreasedProgress, callback) {
this.show();
this.setProgress(this.progress - toBeDecreasedProgress, callback);
}
ToProgress.prototype.finish = function(callback) {
var that = this;
this.setProgress(100, callback);
this.hide();
transitionEvent && this.progressBar.addEventListener(transitionEvent, function(e) {
that.reset();
that.progressBar.removeEventListener(e.type, arguments.callee);
});
}
ToProgress.prototype.reset = function(callback) {
this.progress = 0;
this.transit();
callback && callback();
}
ToProgress.prototype.hide = function() {
this.progressBar.style.opacity = '0';
}
ToProgress.prototype.show = function() {
this.progressBar.style.opacity = '1';
}
return ToProgress
})