/**
* Fügt einer {@link JComboBox} an allen nötigen Stellen einen {@link EditorChangeListener} hinzu.
*
* @param comboBox
* @param editorChangeListener
*/
private void addChangeListenerToComboBox(
JComboBox comboBox, final EditorChangeListener editorChangeListener) {
BasicComboBoxEditor editor = (BasicComboBoxEditor) comboBox.getEditor();
JTextField textField = (JTextField) editor.getEditorComponent();
textField.getDocument().addDocumentListener(editorChangeListener);
comboBox.addItemListener(editorChangeListener);
}
@Override
public void setItem(Object anObject) {
super.setItem(anObject);
}