void configureEditor(ComboBoxEditor newEditor) { if (editor != null) { editor.removeKeyListener(editorKeyListener); editor.removeFocusListener(editorFocusListener); } if (newEditor != null) { editor = (JTextComponent) newEditor.getEditorComponent(); editor.addKeyListener(editorKeyListener); editor.addFocusListener(editorFocusListener); editor.setDocument(this); } }