oxjs/source/Ox.UI/js/Core/LoadingIcon.js

74 lines
2.1 KiB
JavaScript

'use strict';
/*@
Ox.LoadingIcon <f> Loading Icon Element
options <o> Options object
size <n|s|16> size of icon
self <o> Shared private variable
([options[, self]]) -> <o:Ox.Element> Loading Icon Element
@*/
Ox.LoadingIcon = function(options, self) {
self = self || {};
var that = Ox.Element('<img>', self)
.defaults({
size: 16,
video: false
})
.options(options || {})
.addClass('OxLoadingIcon')
.attr({
src: Ox.UI.getImageURL(
'symbolLoading',
self.options.video ? [255, 255, 255] : null
)
});
Ox.isNumber(self.options.size)
? that.css({width: self.options.size, height: self.options.size})
: that.addClass('Ox' + Ox.toTitleCase(self.options.size));
/*@
start <f> Start loading animation
() -> <f> Loading Icon Element
@*/
that.start = function() {
var css, deg = 0, previousTime = +new Date();
if (!self.loadingInterval) {
self.loadingInterval = setInterval(function() {
var currentTime = +new Date(),
delta = (currentTime - previousTime) / 1000;
previousTime = currentTime;
deg = Math.round((deg + delta * 360) % 360 / 30) * 30;
css = 'rotate(' + deg + 'deg)';
that.css({
MozTransform: css,
MsTransform: css,
OTransform: css,
WebkitTransform: css
});
}, 83);
that.animate({opacity: 1}, 250);
}
return that;
};
/*@
stop <f> Stop loading animation
() -> <f> Loading Icon Element
@*/
that.stop = function() {
var loadingInterval = self.loadingInterval;
if (self.loadingInterval) {
self.loadingInterval = void 0;
that.animate({opacity: 0}, 250, function() {
clearInterval(loadingInterval);
});
}
return that;
};
return that;
};