1 ( function( $ ){

     2 

     3 	$( document ).ready( function () {

     4 

     5 		// Expand/Collapse on click

     6 		$( '.accordion-container' ).on( 'click keydown', '.accordion-section-title', function( e ) {

     7 			if ( e.type === 'keydown' && 13 !== e.which ) // "return" key

     8 					return;

     9 			e.preventDefault(); // Keep this AFTER the key filter above

    10 

    11 			accordionSwitch( $( this ) );

    12 		});

    13 

    14 		// Re-initialize accordion when screen options are toggled

    15 		$( '.hide-postbox-tog' ).click( function () {

    16 			accordionInit();

    17 		});

    18 

    19 	});

    20 

    21 	var accordionOptions = $( '.accordion-container li.accordion-section' ),

    22 		sectionContent   = $( '.accordion-section-content' );

    23 

    24 	function accordionInit () {

    25 		// Rounded corners

    26 		accordionOptions.removeClass( 'top bottom' );

    27 		accordionOptions.filter( ':visible' ).first().addClass( 'top' );

    28 		accordionOptions.filter( ':visible' ).last().addClass( 'bottom' ).find( sectionContent ).addClass( 'bottom' );

    29 	}

    30 

    31 	function accordionSwitch ( el ) {

    32 		var section = el.closest( '.accordion-section' ),

    33 			siblings = section.closest( '.accordion-container' ).find( '.open' ),

    34 			content = section.find( sectionContent );

    35 

    36 		if ( section.hasClass( 'cannot-expand' ) )

    37 			return;

    38 

    39 		if ( section.hasClass( 'open' ) ) {

    40 			section.toggleClass( 'open' );

    41 			content.toggle( true ).slideToggle( 150 );

    42 		} else {

    43 			siblings.removeClass( 'open' );

    44 			siblings.find( sectionContent ).show().slideUp( 150 );

    45 			content.toggle( false ).slideToggle( 150 );

    46 			section.toggleClass( 'open' );

    47 		}

    48 

    49 		accordionInit();

    50 	}

    51 

    52 	// Initialize the accordion (currently just corner fixes)

    53 	accordionInit();

    54 

    55 })(jQuery);