jquery-mobile/js/jquery.mobile.controlGroup.js

/*
* jQuery Mobile Framework: "controlgroup" plugin - corner-rounding for groups of buttons, checks, radios, etc
* Copyright (c) jQuery Project
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*/
(function($, undefined ) {

$.fn.controlgroup = function( options ) {

	return this.each(function() {
		var $el = $( this ),
			o = $.extend({
						direction: $el.jqmData( "type" ) || "vertical",
						shadow: false
					}, options ),
			groupheading = $el.find( ">legend" ),
			flCorners = o.direction == "horizontal" ? [ "ui-corner-left", "ui-corner-right" ] : [ "ui-corner-top", "ui-corner-bottom" ],
			type = $el.find( "input:eq(0)" ).attr( "type" );

		// Replace legend with more stylable replacement div
		if ( groupheading.length ) {
			$el.wrapInner( "<div class='ui-controlgroup-controls'></div>" );
			$( "<div role='heading' class='ui-controlgroup-label'>" + groupheading.html() + "</div>" ).insertBefore( $el.children(0) );
			groupheading.remove();
		}

		$el.addClass( "ui-corner-all ui-controlgroup ui-controlgroup-" + o.direction );

		// TODO: This should be moved out to the closure
		// otherwise it is redefined each time controlgroup() is called
		function flipClasses( els ) {
			els.removeClass( "ui-btn-corner-all ui-shadow" )
				.eq( 0 ).addClass( flCorners[ 0 ] )
				.end()
				.filter( ":last" ).addClass( flCorners[ 1 ] ).addClass( "ui-controlgroup-last" );
		}

		flipClasses( $el.find( ".ui-btn" + ( o.dontFilterOutInvisible ? "" : ":visible" ) ) );
		flipClasses( $el.find( ".ui-btn-inner" ) );

		if ( o.shadow ) {
			$el.addClass( "ui-shadow" );
		}
	});
};
})(jQuery);