MediaWiki:Gadget-dialogue-options.js

mw.loader.using( ['oojs-ui-core', 'oojs-ui-widgets'] ).done( function() {
	$( '.story-dialogue' ).each( function() {
		var toggleButton = new OO.ui.ButtonSelectWidget( {
			items: [
				new OO.ui.ButtonOptionWidget({ data: 'en', label: 'EN' }),
				new OO.ui.ButtonOptionWidget({ data: 'jp', label: 'JP' }),
			],
			align: 'left'
		} );
		toggleButton.selectItemByData('en');
		toggleButton.on( 'choose' , function( item, selected ) {
			console.log( item );
		});

		$( this ).find( '.sd-toggle' ).append( toggleButton.$element );
	});
});