oxjs/source/Ox.UI/js/Bar/Ox.Progressbar.js

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Ox.Progressbar = function(options, self) {
self = self || {};
var that = Ox.Element({}, self)
.defaults({
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paused: false,
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progress: 0,
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showCancelButton: false,
showPauseButton: false,
showPercent: false,
showTime: false,
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width: 256
})
.options(options || {})
.addClass('OxProgressbar')
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.css({width: self.options.width - 2 + 'px'});
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self.trackWidth = self.options.width
- self.options.showPercent * 36
- self.options.showTime * 60
- self.options.showPauseButton * 16
- self.options.showCancelButton * 16;
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self.$track = $('<div>')
.addClass('OxTrack')
.css({
width: self.trackWidth - 2 + 'px'
})
.appendTo(that);
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self.$progress = $('<div>')
.addClass('OxProgress')
.appendTo(self.$track);
if (self.options.showPercent) {
self.$percent = $('<div>')
.addClass('OxText')
.css({width: '36px'})
.appendTo(that);
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}
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if (self.options.showTime) {
self.$time = $('<div>')
.addClass('OxText')
.css({width: '60px'})
.appendTo(that);
}
if (self.options.showPauseButton) {
self.$pauseButton = Ox.Button({
style: 'symbol',
title: [
{id: 'pause', title: 'pause', selected: !self.options.paused},
{id: 'resume', title: 'redo', selected: self.options.paused}
],
tooltip: ['Pause', 'Resume'],
type: 'image'
})
.bindEvent({
click: togglePaused
})
.appendTo(that);
}
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if (self.options.showCancelButton) {
self.$cancelButton = Ox.Button({
style: 'symbol',
title: 'close',
tooltip: 'Cancel',
type: 'image'
})
.bindEvent({
click: cancel
})
.appendTo(that);
}
!self.options.paused && resume();
function cancel() {
self.cancelled = true;
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stop();
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that.triggerEvent('cancel');
}
function pause() {
self.pauseTime = +new Date();
self.$progress.removeClass('OxAnimate');
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($.browser.mozilla || $.browser.opera) && clearInterval(self.interval);
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self.$time && self.$time
.addClass('OxSmall')
.html(self.cancelled ? 'Cancelled' : 'Paused');
}
function resume() {
self.startTime = !self.startTime
? +new Date()
: self.startTime + +new Date() - self.pauseTime;
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self.$progress.addClass('OxAnimate');
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if ($.browser.mozilla || $.browser.opera) {
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self.offset = 0;
self.interval = setInterval(function() {
self.$progress.css({backgroundPosition: --self.offset + 'px 0, 0 0'})
}, 1000 / 32);
}
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self.$time && self.$time
.removeClass('OxSmall')
.html(self.options.progress ? Ox.formatDuration(that.status().remaining) : 'unknown');
}
function setProgress() {
self.$percent && self.$percent.html(
Math.floor(self.options.progress * 100) + '%'
);
self.$time && self.$time.html(
self.options.progress ? Ox.formatDuration(that.status().remaining) : 'unknown'
);
self.$progress.stop().animate({
width: Math.round(14 + self.options.progress * (self.trackWidth - 16)) + 'px'
}, 250, function() {
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self.options.progress == 1 && stop();
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});
}
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function stop() {
pause();
self.$time && self.$time
.addClass('OxSmall')
.html(self.cancelled ? 'Cancelled' : 'Complete');
self.$pauseButton.options({disabled: true});
self.$cancelButton.options({disabled: true});
}
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function togglePaused() {
self.options.paused = !self.options.paused;
if (self.options.paused) {
pause()
} else {
resume();
}
that.triggerEvent(self.options.paused ? 'pause' : 'resume');
}
self.setOption = function(key, value) {
if (key == 'paused') {
togglePaused();
} if (key == 'progress') {
self.options.progress = Ox.limit(self.options.progress, 0, 1);
!self.options.paused && !self.options.cancelled && setProgress();
}
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};
that.status = function() {
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var elapsed = +new Date() - self.startTime,
remaining = elapsed / self.options.progress * (1 - self.options.progress);
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return {
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elapsed: Math.floor(elapsed / 1000),
remaining: self.options.progress
? Math.ceil(remaining / 1000)
: Infinity
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};
};
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return that;
};