mbien commented on code in PR #4792:
URL: https://github.com/apache/netbeans/pull/4792#discussion_r997296780


##########
platform/core.multitabs/src/org/netbeans/core/multitabs/impl/ButtonPopupSwitcher.java:
##########
@@ -355,6 +354,22 @@ private boolean changeSelection( KeyEvent event ) {
                         selRow = Math.min( pTable.getModel().getRowCount()-1, 
selRow );
                         selCol = Math.min( 
pTable.getModel().getColumnCount()-1, selCol );
                         switched = true;
+                    }else if( tabIndex == -1 ){
+                        List<TabData> tabs = 
controller.getTabModel().getTabs();
+                        ProjectProxy project = item.getProject();
+                        ProjectSupport projectSupport = 
ProjectSupport.getDefault();
+                        for ( int i = tabs.size(); i-- > 0; ) {  //reverse 
iteration to close tabs from the end so tabIndex does not change
+                            if( controller.getTabModel().size() == 1 ) {
+                                
SwingUtilities.invokeLater(this::hideCurrentPopup);
+                            }
+                            TabData projectTab = tabs.get( i );
+                            ProjectProxy projectForTab = 
projectSupport.getProjectForTab( projectTab );
+                            if (( project == null && projectForTab == null ) 
|| ( projectForTab != null && projectForTab.equals( project ))) {
+                                tabIndex = controller.getTabModel().indexOf( 
projectTab );
+                                TabActionEvent tae = new TabActionEvent( this, 
TabbedContainer.COMMAND_CLOSE, tabIndex );
+                                controller.postActionEvent( tae );
+                            }
+                        }

Review Comment:
   awesome



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