/*
* This file is part of JGrasstools (http://www.jgrasstools.org)
* (C) HydroloGIS - www.hydrologis.com
*
* JGrasstools 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
* (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.jgrasstools.nww.utils.selection;
import java.awt.Color;
import java.awt.event.MouseEvent;
import java.util.ArrayList;
import java.util.List;
import gov.nasa.worldwind.WorldWindow;
import gov.nasa.worldwind.geom.Sector;
/**
* Box selector with listeners.
*
* @author Andrea Antonello (www.hydrologis.com)
*
*/
public class SectorByBoxSelector extends SectorSelector {
public static interface IBoxSelectionListener {
void onSelectionFinished(Sector selectedSector);
}
private List<IBoxSelectionListener> listeners = new ArrayList<>();
private boolean wasDragged = false;
public SectorByBoxSelector(WorldWindow worldWindow) {
super(worldWindow);
setInteriorColor(Color.BLUE);
setInteriorOpacity(0.3f);
setBorderColor(Color.BLUE);
setBorderOpacity(1.0);
setBorderWidth(1.0);
}
public void addListener(IBoxSelectionListener listener) {
if (!listeners.contains(listener)) {
listeners.add(listener);
}
}
public void removeListener(IBoxSelectionListener listener) {
if (listeners.contains(listener)) {
listeners.remove(listener);
}
}
public void mousePressed(MouseEvent mouseEvent) {
super.mousePressed(mouseEvent);
wasDragged = false;
}
public void mouseDragged(MouseEvent mouseEvent) {
super.mouseDragged(mouseEvent);
wasDragged = true;
}
public void mouseReleased(MouseEvent mouseEvent) {
super.mouseReleased(mouseEvent);
if (wasDragged) {
Sector sector = getSector();
for (IBoxSelectionListener iBoxSelectionListener : listeners) {
iBoxSelectionListener.onSelectionFinished(sector);
}
}
}
}