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/*
 * jQuery UI Progressbar 1.8.1
 *
 * 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: "1.8.1"
});

})( jQuery );