/*
* Freeplane - mind map editor
* Copyright (C) 2008 Dimitry Polivaev
*
* This file author is Dimitry Polivaev
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.core.util.collection;
import javax.swing.AbstractListModel;
import javax.swing.ListModel;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
/**
* @author Dimitry Polivaev
* 21.12.2008
*/
public class DoubleListModel extends AbstractListModel implements ListModel {
/**
*
*/
private static final long serialVersionUID = 1L;
final private ListModel first;
final private ListModel second;
public DoubleListModel(final ListModel first, final ListModel second) {
super();
this.first = first;
this.second = second;
first.addListDataListener(new ListDataListener() {
public void contentsChanged(final ListDataEvent e) {
fireContentsChanged(e.getSource(), e.getIndex0(), e.getIndex1());
}
public void intervalAdded(final ListDataEvent e) {
fireIntervalAdded(e.getSource(), e.getIndex0(), e.getIndex1());
}
public void intervalRemoved(final ListDataEvent e) {
fireIntervalRemoved(e.getSource(), e.getIndex0(), e.getIndex1());
}
});
second.addListDataListener(new ListDataListener() {
public void contentsChanged(final ListDataEvent e) {
final int firstSize = first.getSize();
fireContentsChanged(e.getSource(), firstSize + e.getIndex0(), firstSize + e.getIndex1());
}
public void intervalAdded(final ListDataEvent e) {
final int firstSize = first.getSize();
fireIntervalAdded(e.getSource(), firstSize + e.getIndex0(), firstSize + e.getIndex1());
}
public void intervalRemoved(final ListDataEvent e) {
final int firstSize = first.getSize();
fireIntervalRemoved(e.getSource(), firstSize + e.getIndex0(), firstSize + e.getIndex1());
}
});
}
public Object getElementAt(final int index) {
final int firstSize = first.getSize();
return index < firstSize ? first.getElementAt(index) : second.getElementAt(index - firstSize);
}
public int getSize() {
return first.getSize() + second.getSize();
}
}