public void requestUpdate() {

    MavenArchetype selectedArch = getSelectedArchetype();
    if (selectedArch == null) {
      selectedArch = myBuilder.getArchetype();
    }
    if (selectedArch != null) myUseArchetypeCheckBox.setSelected(true);

    if (myArchetypesTree.getRowCount() == 0) updateArchetypesList(selectedArch);
  }
public void requestUpdate()