@Override
 public void actionPerformed(ActionEvent e) {
   if (e.getSource() instanceof JRadioButton) {
     JRadioButton button = (JRadioButton) e.getSource();
     String typeName = button.getText();
     nodePropertyParameters.propertyType = PropertyType.valueFromName(typeName);
     valueCardPanel.show(typeName);
   }
 }
 @Override
 public void valueChanged(ListSelectionEvent e) {
   if (e.getSource() instanceof JList) {
     JList list = (JList) e.getSource();
     String typeName = (String) list.getSelectedValue();
     nodePropertyParameters.propertyType = PropertyType.valueFromName(typeName);
     valueCardPanel.show(typeName);
   }
 }
 private void updateFields() {
   name.setText(nodePropertyParameters.name);
   String propertyTypeName = PropertyType.nameFromValue(nodePropertyParameters.propertyType);
   List<String> typeNames = Arrays.asList(getPropertyTypes());
   int index = typeNames.indexOf(propertyTypeName);
   log.trace("property type: " + propertyTypeName + " index: " + index);
   type.setSelectedIndex(index);
   value.setText((String) nodePropertyParameters.value);
   valueCardPanel.setFieldFromValue(
       nodePropertyParameters.value, nodePropertyParameters.propertyType);
   valueCardPanel.show(propertyTypeName);
   errorValueFormat.setText(nodePropertyParameters.errorMessage);
 }