Ticket #27406: 27406.alwaysclose.diff

src/wp-admin/js/accordion.js

@@ -72 +72 @@
                 var position,
                         section = panel.closest( '.accordion-section' ),
                         container = section.closest( '.wp-full-overlay' ),
-                        siblings = container.find( '.accordion-section.open' ),
+                        siblings = section.closest( '.accordion-container' ).find( '.open' ),
                         content = section.find( '.control-panel-content' );
 
                 if ( section.hasClass( 'current-panel' ) ) {
@@ -82 +82 @@
                                 content.css( 'margin-top', 'inherit' ); // Reset
                         } );
                 } else {
+                        // Close all open sections in any accordion level.
                         siblings.removeClass( 'open' );
+                        siblings.find( sectionContent ).show().slideUp( 150 );
                         content.show( 0, function() {
                                 position = content.offset().top;
                                 content.css( 'margin-top', ( 45 - position ) );