# all files / src/widgets/ ButtonSelectWidget.js

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     /**
     * ButtonSelectWidget is a {@link OO.ui.SelectWidget select widget} that contains
     * button options and is used together with
     * OO.ui.ButtonOptionWidget. The ButtonSelectWidget provides an interface for
     * highlighting, choosing, and selecting mutually exclusive options. Please see
     * the [OOUI documentation on MediaWiki] [1] for more information.
     *
     *     @example
     *     // Example: A ButtonSelectWidget that contains three ButtonOptionWidgets
     *     var option1 = new OO.ui.ButtonOptionWidget( {
     *         data: 1,
     *         label: 'Option 1',
     *         title: 'Button option 1'
     *     } );
     *
     *     var option2 = new OO.ui.ButtonOptionWidget( {
     *         data: 2,
     *         label: 'Option 2',
     *         title: 'Button option 2'
     *     } );
     *
     *     var option3 = new OO.ui.ButtonOptionWidget( {
     *         data: 3,
     *         label: 'Option 3',
     *         title: 'Button option 3'
     *     } );
     *
     *     var buttonSelect=new OO.ui.ButtonSelectWidget( {
     *         items: [ option1, option2, option3 ]
     *     } );
     *     $( 'body' ).append( buttonSelect.$element );
     *
     * [1]: https://www.mediawiki.org/wiki/OOUI/Widgets/Selects_and_Options
     *
     * @class
     * @extends OO.ui.SelectWidget
     * @mixins OO.ui.mixin.TabIndexedElement
     *
     * @constructor
     * @param {Object} [config] Configuration options
     */
    OO.ui.ButtonSelectWidget = function OoUiButtonSelectWidget( config ) {
    	// Parent constructor
    	OO.ui.ButtonSelectWidget.parent.call( this, config );

    	// Mixin constructors
    	OO.ui.mixin.TabIndexedElement.call( this, config );

    	// Events
    	this.$element.on( {
    		focus: this.bindDocumentKeyDownListener.bind( this ),
    		blur: this.unbindDocumentKeyDownListener.bind( this )
    	} );

    	// Initialization
    	this.$element.addClass( 'oo-ui-buttonSelectWidget' );
    };

    /* Setup */

    OO.inheritClass( OO.ui.ButtonSelectWidget, OO.ui.SelectWidget );
    OO.mixinClass( OO.ui.ButtonSelectWidget, OO.ui.mixin.TabIndexedElement );