JComponent () { JPanel previewPanel = new JPanel(new BorderLayout()); previewPanel.add(getPreviewEditor().getComponent(), BorderLayout.CENTER); previewPanel.setBorder(new EmptyBorder(2, 2, 6, 2)); myDelegateCB = new JBCheckBox(GroovyBundle.message("checkbox.delegate.via.overloading.method")); myDelegateCB.setMnemonic(KeyEvent.VK_L); myDelegateCB.setFocusable(false); JPanel panel = new JPanel(new BorderLayout()); panel.add(previewPanel, BorderLayout.CENTER); panel.add(myDelegateCB, BorderLayout.SOUTH); return panel; }