return true;
return canModify;
  public boolean canModify(Object _element, String _property) {    if (_property == EOAttributesConstants.PROTOTYPE) {      EOEntity entity = (EOEntity) myAttributesTableViewer.getInput();      myPrototypeNames = entity.getModel().getModelGroup().getPrototypeAttributeNames();      myPrototypeNames.add(0, EOAttributesCellModifier.NO_PROTOYPE_VALUE);      String[] prototypeNames = (String[]) myPrototypeNames.toArray(new String[myPrototypeNames.size()]);      KeyComboBoxCellEditor cellEditor = (KeyComboBoxCellEditor) myCellEditors[TableUtils.getColumnNumber(EOAttributesConstants.COLUMNS, _property)];      cellEditor.setItems(prototypeNames);    }    return true;  }