@Override
public void mouseMoved(final MouseEvent e) {
if (coords.size() > 2) {
if (justCreated) {
coords.remove(coords.size() - 1);
coords.remove(coords.size() - 1);
coords.add(helper.toCoord(e.getX(), e.getY()));
coords.add(helper.toCoord(e.getX(), e.getY()));
} else {
coords.remove(coords.size() - 1);
coords.add(helper.toCoord(e.getX(), e.getY()));
}
erase = EditionHelper.createPolygon(coords);
final Geometry line = EditionHelper.createLinearRing(coords);
geometry =
(multipolygon) ? EditionHelper.createMultiPolygon(subGeometries) : subGeometries.get(0);
try {
geometry = geometry.difference(erase);
} catch (TopologyException ex) {
LOGGER.log(Level.INFO, ex.getLocalizedMessage());
}
decoration.setGeometries(UnmodifiableArrayList.wrap(new Geometry[] {geometry, line}));
return;
}
super.mouseMoved(e);
}
@Override
public void mouseClicked(final MouseEvent e) {
final int button = e.getButton();
if (button == MouseEvent.BUTTON1) {
if (geometry == null) {
setCurrentFeature(helper.grabFeature(e.getX(), e.getY(), false));
} else {
if (justCreated) {
justCreated = false;
// we must modify the second point since two point where added at the start
coords.remove(2);
coords.remove(1);
coords.add(helper.toCoord(e.getX(), e.getY()));
coords.add(helper.toCoord(e.getX(), e.getY()));
} else if (coords.isEmpty()) {
justCreated = true;
// this is the first point of the geometry we create
// add 3 points that will be used when moving the mouse around
coords.add(helper.toCoord(e.getX(), e.getY()));
coords.add(helper.toCoord(e.getX(), e.getY()));
coords.add(helper.toCoord(e.getX(), e.getY()));
} else {
justCreated = false;
coords.add(helper.toCoord(e.getX(), e.getY()));
}
erase = EditionHelper.createPolygon(coords);
final Geometry line = EditionHelper.createLinearRing(coords);
geometry =
(multipolygon) ? EditionHelper.createMultiPolygon(subGeometries) : subGeometries.get(0);
try {
geometry = geometry.difference(erase);
} catch (TopologyException ex) {
LOGGER.log(Level.INFO, ex.getLocalizedMessage());
}
decoration.setGeometries(UnmodifiableArrayList.wrap(new Geometry[] {geometry, line}));
}
} else if (button == MouseEvent.BUTTON3 && feature != null) {
// finish editing the feature
helper.sourceModifyFeature(feature, geometry, true);
reset();
}
}
