jquery-ui/ui/jquery.ui.progressbar.js
2010-02-07 03:40:13 +00:00

108 lines
2.2 KiB
JavaScript

/*
* jQuery UI Progressbar @VERSION
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Progressbar
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
*/
(function( $ ) {
$.widget( "ui.progressbar", {
options: {
value: 0
},
_create: function() {
this.element
.addClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
.attr({
role: "progressbar",
"aria-valuemin": this._valueMin(),
"aria-valuemax": this._valueMax(),
"aria-valuenow": this._value()
});
this.valueDiv = $( "<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>" )
.appendTo( this.element );
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();
$.Widget.prototype.destroy.apply( this, arguments );
},
value: function( newValue ) {
if ( newValue === undefined ) {
return this._value();
}
this._setOption( "value", newValue );
return this;
},
_setOption: function( key, value ) {
switch ( key ) {
case "value":
this.options.value = value;
this._refreshValue();
this._trigger( "change" );
break;
}
$.Widget.prototype._setOption.apply( this, arguments );
},
_value: function() {
var val = this.options.value;
// normalize invalid value
if ( typeof val !== "number" ) {
val = 0;
}
if ( val < this._valueMin() ) {
val = this._valueMin();
}
if ( val > this._valueMax() ) {
val = this._valueMax();
}
return val;
},
_valueMin: function() {
return 0;
},
_valueMax: function() {
return 100;
},
_refreshValue: function() {
var value = this.value();
this.valueDiv
[ value === this._valueMax() ? "addClass" : "removeClass"]( "ui-corner-right" )
.width( value + "%" );
this.element.attr( "aria-valuenow", value );
}
});
$.extend( $.ui.progressbar, {
version: "@VERSION"
});
})( jQuery );