* Removes current DbEntity from its DataMap and fires "remove" EntityEvent.
*/
public void removeDbEntity(DataMap map, DbEntity ent) {
ProjectController mediator = getProjectController();
EntityEvent e = new EntityEvent(Application.getFrame(), ent, MapEvent.REMOVE);
e.setDomain((DataChannelDescriptor) mediator.getProject().getRootNode());
map.removeDbEntity(ent.getName(), true);
mediator.fireDbEntityEvent(e);
}