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/*!
* jQuery UI Progressbar @VERSION
* http://jqueryui.com
*
* Copyright 2012 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/progressbar/
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
*/
(function( $, undefined ) {
$.widget( "ui.progressbar", {
version: "@VERSION",
options: {
value: 0,
max: 100
},
min: 0,
_create: function() {
// Constrain initial value
this.options.value = this._constrainedValue();
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.options.value
});
this.valueDiv = $( "<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>" )
.appendTo( this.element );
this.oldValue = this.options.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.options.value;
}
this._setOption( "value", this._constrainedValue( newValue ) );
return this;
},
_constrainedValue: function( newValue ) {
var val;
if ( newValue === undefined ) {
val = this.options.value;
} else {
val = newValue;
}
// sanitize value
if ( typeof val !== "number" ) {
val = 0;
}
return Math.min( this.options.max, Math.max( this.min, val ) );
},
_setOptions: function( options ) {
var key, val;
for ( key in options ) {
if ( key === "value" ) {
// Store value to update last in case max is being updated at the same time
val = options[ key ];
} else {
this._setOption( key, options[ key ] );
}
}
if ( val !== undefined ) {
this._setOption( "value", val );
}
},
_setOption: function( key, value ) {
if ( key === "max" ) {
// Don't allow a max less than min
this.options.max = Math.max( this.min, value );
this.options.value = this._constrainedValue();
}
if ( key === "value" ) {
this.options.value = this._constrainedValue( value );
}
else {
this._super( key, value );
}
this._refreshValue();
},
_percentage: function() {
return 100 * this.options.value / this.options.max;
},
_refreshValue: function() {
var percentage = this._percentage();
if ( this.oldValue !== this.options.value ) {
this.oldValue = this.options.value;
this._trigger( "change" );
}
if ( this.options.value === this.options.max ) {
this._trigger( "complete" );
}
this.valueDiv
.toggle( this.options.value > this.min )
.toggleClass( "ui-corner-right", this.options.value === this.options.max )
.width( percentage.toFixed(0) + "%" );
this.element.attr( "aria-valuemax", this.options.max );
this.element.attr( "aria-valuenow", this.options.value );
}
});
})( jQuery );
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