/**
* FyLLGen - A Java based tool for collecting and distributing family data
*
* Copyright (C) 2007-2011 Christian Packenius
*
* 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 3 of the License, or
* 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 de.chris_soft.fyllgen.menu.navigate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import de.chris_soft.fyllgen.data.Family;
import de.chris_soft.fyllgen.data.Person;
/**
* Go to the (next) person without children.
* @author Christian Packenius, 20110201.
*/
public class GotoNextLeafPerson implements Listener {
/**
* @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
*/
public void handleEvent(Event event) {
// Create a list of all persons. The current person will be at index zero.
Person currentPerson = Family.instance.getCurrentPerson();
Person[] persons = Family.instance.getPersonsArray();
List<Person> personList = new ArrayList<Person>();
personList.addAll(Arrays.asList(persons));
while (personList.get(0) != currentPerson) {
personList.add(personList.remove(0));
}
// Get next person without children.
for (int i = 1; i < personList.size(); i++) {
Person person = personList.get(i);
Person[] children = person.getChildren();
if (children == null || children.length == 0) {
Family.instance.setCurrentPerson(person, 1);
break;
}
}
}
}