private JMenuItem createAddRemoveColumnsMenuItem(HelpLocation helpLocation) {
		JMenuItem item = new JMenuItem("Add/Remove Columns...");
		final TableModel model = getModel();
		item.addActionListener(e -> {
			SelectColumnsDialog dialog =
				new SelectColumnsDialog((GTableColumnModel) columnModel, model);
			DockingWindowManager.showDialog(GTable.this, dialog);
		});
		DockingWindowManager.getHelpService().registerHelp(item, helpLocation);
		return item;
	}
If you just begin typing into an editable cell in a JTable, then the cell editor will be
displayed. However, the editor component will not have a focus. This method has been
overridden to request focus on the editor component.

@see javax.swing.JTable#editCellAt(int, int, EventObject)
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTable.java