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/*
* @ Dmitry Farafonov
*/
(function ($) {
$.ProgressBar = function (options) {
this.element = $(options.boundingBox);
if (options.on && options.on.complete) {
this.onComplete = options.on.complete;
}
if (options.on && options.on.valueChange) {
this.onValueChange = options.on.valueChange;
}
this._create();
if (options.label)
this.set("label", options.label);
if (options.value)
this.value(options.value);
if (options.max)
this.set("max", options.max);
};
$.ProgressBar.prototype = {
options: {
value: 0,
max: 100
},
min: 0,
_create: function () {
this.element
.addClass("ui-progressbar ui-widget ui-widget-content ui-corner-all")
.attr({
role: "progressbar",
"aria-valuemin": this.min,
"aria-valuemax": this.options.max,
"aria-valuenow": this._value()
});
this.valueDiv = $("<div class='ui-progressbar-label'></div>")
.appendTo(this.element);
this.valueDiv = $("<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>")
.appendTo(this.element);
this.oldValue = this._value();
this._refreshValue();
},
_destroy: function () {
this.element
.removeClass("ui-progressbar ui-widget ui-widget-content ui-corner-all")
.removeAttr("role")
.removeAttr("aria-valuemin")
.removeAttr("aria-valuemax")
.removeAttr("aria-valuenow");
this.valueDiv.remove();
},
value: function (newValue) {
if (newValue === undefined) {
return this._value();
}
this._setOption("value", newValue);
return this;
},
_setOption: function (key, value) {
if (key === "value") {
//var oldVal = this.options.value;
this.options.value = value;
this._refreshValue();
if (this.onValueChange)
this.onValueChange.apply(this, [{oldVal: this.oldValue, newVal: value}]);
if (this._value() === this.options.max) {
//this._trigger( "complete" );
if (this.onComplete)
this.onComplete.apply(this);
}
} else if (key === "label") {
$(this.element).find(".ui-progressbar-label").html(value);
} else if (key === "max") {
this.options.max = value;
}
//this._super( key, value );
},
_value: function () {
var val = this.options.value;
// normalize invalid value
if (typeof val !== "number") {
val = 0;
}
return Math.min(this.options.max, Math.max(this.min, val));
},
_percentage: function () {
return 100 * this._value() / this.options.max;
},
_refreshValue: function () {
var value = this.value(),
percentage = this._percentage();
if (this.oldValue !== value) {
this.oldValue = value;
//this._trigger( "change" );
}
this.valueDiv
.toggle(value > this.min)
.toggleClass("ui-corner-right", value === this.options.max)
.width(percentage.toFixed(0) + "%");
this.element.attr("aria-valuenow", value);
//$(this.element).find(".ui-progressbar-label").html(value + "%");
},
set: function (key, value) {
this._setOption(key, value);
}
};
})(jQuery);