//>>excludeStart("jqmBuildExclude", pragmas.jqmBuildExclude);
//>>description: For creating grouped collapsible content areas.
//>>label: Collapsible Sets (Accordions)
//>>group: Widgets
//>>css.structure: ../css/structure/jquery.mobile.collapsible.css
//>>css.theme: ../css/themes/default/jquery.mobile.theme.css

define( [ "jquery", "../jquery.mobile.widget", "./collapsible" ], function( jQuery ) {
//>>excludeEnd("jqmBuildExclude");
(function( $, undefined ) {

$.widget( "mobile.collapsibleset", $.mobile.widget, {
	options: {
		initSelector: ":jqmData(role='collapsible-set')"
	},
	_create: function() {
		var $el = this.element.addClass( "ui-collapsible-set" ),
			o = this.options;

		// Inherit the theme from collapsible-set
		if ( !o.theme ) {
			o.theme = $.mobile.getInheritedTheme( $el, "c" );
		}
		// Inherit the content-theme from collapsible-set
		if ( !o.contentTheme ) {
			o.contentTheme = $.mobile.getAttrFixed( $el[0], "data-" + $.mobile.ns + "content-theme" );
		}

		if ( $.mobile.getAttrFixed( $el[0], "data-" + $.mobile.ns + "inset" ) !== undefined ) {
			o.inset = $.mobile.getAttrFixed( $el[0], "data-" + $.mobile.ns + "inset" );
		}
		o.inset = o.inset !== undefined ? o.inset : true;

		// Initialize the collapsible set if it's not already initialized
		if ( !$el.jqmData( "collapsiblebound" ) ) {
			$el
				.jqmData( "collapsiblebound", true )
				.bind( "expand collapse", function( event ) {
					var isCollapse = ( event.type === "collapse" ),
						collapsible = $( event.target ).closest( ".ui-collapsible" ),
						widget = collapsible.data( "collapsible" );
					if ( collapsible.jqmData( "collapsible-last" ) && !!o.inset ) {
						collapsible.find( ".ui-collapsible-heading" ).first()
							.find( "a" ).first()
							.toggleClass( "ui-corner-bottom", isCollapse )
							.find( ".ui-btn-inner" )
							.toggleClass( "ui-corner-bottom", isCollapse );
						collapsible.find( ".ui-collapsible-content" ).toggleClass( "ui-corner-bottom", !isCollapse );
					}
				})
				.bind( "expand", function( event ) {
					var closestCollapsible = $( event.target )
						.closest( ".ui-collapsible" );
					if ( closestCollapsible.parent().is( ":jqmData(role='collapsible-set')" ) ) {
						closestCollapsible
							.siblings( ".ui-collapsible" )
							.trigger( "collapse" );
					}
				});
		}
	},

	_init: function() {
		var $el = this.element,
			collapsiblesInSet = $el.children( ":jqmData(role='collapsible')" ),
			expanded = collapsiblesInSet.filter( ":jqmData(collapsed='false')" );
		this.refresh();

		// Because the corners are handled by the collapsible itself and the default state is collapsed
		// That was causing https://github.com/jquery/jquery-mobile/issues/4116
		expanded.trigger( "expand" );
	},

	refresh: function() {
		var $el = this.element,
			o = this.options,
			collapsiblesInSet = $el.children( ":jqmData(role='collapsible')" );

		$.mobile.collapsible.prototype.enhance( collapsiblesInSet.not( ".ui-collapsible" ) );

		// clean up borders
		if ( !!o.inset ) {
			collapsiblesInSet.each(function() {
				$( this ).jqmRemoveData( "collapsible-last" )
					.find( ".ui-collapsible-heading" )
					.find( "a" ).first()
					.removeClass( "ui-corner-top ui-corner-bottom" )
					.find( ".ui-btn-inner" )
					.removeClass( "ui-corner-top ui-corner-bottom" );
			});

			collapsiblesInSet.first()
				.find( "a" )
					.first()
					.addClass( "ui-corner-top" )
					.find( ".ui-btn-inner" )
						.addClass( "ui-corner-top" );
	
			collapsiblesInSet.last()
				.jqmData( "collapsible-last", true )
				.find( "a" )
					.first()
					.addClass( "ui-corner-bottom" )
					.find( ".ui-btn-inner" )
						.addClass( "ui-corner-bottom" );
		}
	}
});

//delegate auto self-init widgets
$.delegateSelfInitWithSingleSelector( $.mobile.collapsibleset );

})( jQuery );
//>>excludeStart("jqmBuildExclude", pragmas.jqmBuildExclude);
});
//>>excludeEnd("jqmBuildExclude");