/*!
 * jQuery UI Progressbar 1.13.2
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Progressbar
//>>group: Widgets
/* eslint-disable max-len */
//>>description: Displays a status indicator for loading state, standard percentage, and other progress indicators.
/* eslint-enable max-len */
//>>docs: http://api.jqueryui.com/progressbar/
//>>demos: http://jqueryui.com/progressbar/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/progressbar.css
//>>css.theme: ../../themes/base/theme.css

( function( factory ) {
    "use strict";

    if ( typeof define === "function" && define.amd ) {

        // AMD. Register as an anonymous module.
        define( [
            "jquery",
            "../version",
            "../widget"
        ], factory );
    } else {

        // Browser globals
        factory( jQuery );
    }
} )( function( $ ) {
    "use strict";

    return $.widget( "ui.progressbar", {
        version: "1.13.2",
        options: {
            classes: {
                "ui-progressbar": "ui-corner-all",
                "ui-progressbar-value": "ui-corner-left",
                "ui-progressbar-complete": "ui-corner-right"
            },
            max: 100,
            value: 0,

            change: null,
            complete: null
        },

        min: 0,

        _create: function() {

            // Constrain initial value
            this.oldValue = this.options.value = this._constrainedValue();

            this.element.attr( {

                // Only set static values; aria-valuenow and aria-valuemax are
                // set inside _refreshValue()
                role: "progressbar",
                "aria-valuemin": this.min
            } );
            this._addClass( "ui-progressbar", "ui-widget ui-widget-content" );

            this.valueDiv = $( "<div>" ).appendTo( this.element );
            this._addClass( this.valueDiv, "ui-progressbar-value", "ui-widget-header" );
            this._refreshValue();
        },

        _destroy: function() {
            this.element.removeAttr( "role aria-valuemin aria-valuemax aria-valuenow" );

            this.valueDiv.remove();
        },

        value: function( newValue ) {
            if ( newValue === undefined ) {
                return this.options.value;
            }

            this.options.value = this._constrainedValue( newValue );
            this._refreshValue();
        },

        _constrainedValue: function( newValue ) {
            if ( newValue === undefined ) {
                newValue = this.options.value;
            }

            this.indeterminate = newValue === false;

            // Sanitize value
            if ( typeof newValue !== "number" ) {
                newValue = 0;
            }

            return this.indeterminate ? false :
                Math.min( this.options.max, Math.max( this.min, newValue ) );
        },

        _setOptions: function( options ) {

            // Ensure "value" option is set after other values (like max)
            var value = options.value;
            delete options.value;

            this._super( options );

            this.options.value = this._constrainedValue( value );
            this._refreshValue();
        },

        _setOption: function( key, value ) {
            if ( key === "max" ) {

                // Don't allow a max less than min
                value = Math.max( this.min, value );
            }
            this._super( key, value );
        },

        _setOptionDisabled: function( value ) {
            this._super( value );

            this.element.attr( "aria-disabled", value );
            this._toggleClass( null, "ui-state-disabled", !!value );
        },

        _percentage: function() {
            return this.indeterminate ?
                100 :
                100 * ( this.options.value - this.min ) / ( this.options.max - this.min );
        },

        _refreshValue: function() {
            var value = this.options.value,
                percentage = this._percentage();

            this.valueDiv
                .toggle( this.indeterminate || value > this.min )
                .width( percentage.toFixed( 0 ) + "%" );

            this
                ._toggleClass( this.valueDiv, "ui-progressbar-complete", null,
                    value === this.options.max )
                ._toggleClass( "ui-progressbar-indeterminate", null, this.indeterminate );

            if ( this.indeterminate ) {
                this.element.removeAttr( "aria-valuenow" );
                if ( !this.overlayDiv ) {
                    this.overlayDiv = $( "<div>" ).appendTo( this.valueDiv );
                    this._addClass( this.overlayDiv, "ui-progressbar-overlay" );
                }
            } else {
                this.element.attr( {
                    "aria-valuemax": this.options.max,
                    "aria-valuenow": value
                } );
                if ( this.overlayDiv ) {
                    this.overlayDiv.remove();
                    this.overlayDiv = null;
                }
            }

            if ( this.oldValue !== value ) {
                this.oldValue = value;
                this._trigger( "change" );
            }
            if ( value === this.options.max ) {
                this._trigger( "complete" );
            }
        }
    } );

} );