!7

abstract sclass DynCRUD<A extends Concept> extends DynModule {
  transient Class<A> conceptClass;
  transient SimpleCRUD<A> crud;

  *() {}
  *(Class<A> *conceptClass) {}
  
  start {
    db(); // So we can do stuff in overridden start methods
  }
  
  visualize {
    makeConceptsTable_idWidth = 0;
    if (crud == null) crud = makeCRUD();
    showConceptsTable_afterUpdate.set(voidfunc(JTable t) {
      int n = tableColumnCount(t);
      for i to n:
        setColumnName(t, i, i == 0 ? "" : humanizeFormLabel(getColumnName(t, i)));
    });
    ret withMargin(crud.make());
  }
  
  SimpleCRUD<A> makeCRUD() {
    ret SimpleCRUD<A>(conceptClass);
  }
  
  JTable table() { ret crud == null ? null : crud.table; }
  
  A selected() { ret crud == null ? null : crud.selectedConcept(); }
  
  void addButton(JComponent button) {
    if (crud != null) addComponent(crud.buttons, button);
  }
  void addButton(S name, O action) { addButton(jbutton(name, action)); }
  
  void makeSortable() {
    addRowSorter(table());
  }
}