/*
This file is part of RouteConverter.
RouteConverter is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
RouteConverter is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RouteConverter; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/
package slash.navigation.mapview.mapsforge.models;
import javax.swing.*;
import javax.swing.event.ListDataListener;
import java.util.List;
/**
* Joins a {@link ComboBoxModel} and a {@link List}.
*
* @author Christian Pesch
*/
public class JoinedListComboBoxModel<E> implements ComboBoxModel<E> {
private final ComboBoxModel<E> delegate;
private final List<E> list;
public JoinedListComboBoxModel(ComboBoxModel<E> delegate, List<E> list) {
this.delegate = delegate;
this.list = list;
}
public int getSize() {
return delegate.getSize() + list.size();
}
public E getElementAt(int index) {
return index < delegate.getSize() ? delegate.getElementAt(index) : list.get(index - delegate.getSize());
}
public void addListDataListener(ListDataListener l) {
delegate.addListDataListener(l);
}
public void removeListDataListener(ListDataListener l) {
delegate.removeListDataListener(l);
}
public Object getSelectedItem() {
return delegate.getSelectedItem();
}
public void setSelectedItem(Object anItem) {
delegate.setSelectedItem(anItem);
}
}