@Override
public void handleDrag(MouseEvent e) {
DrawingItem item = getItem();
if (item.getPoints().size() < 2) {
item.addPoint(getMapPoint(e));
} else {
Double p1 = item.getPoints().get(0);
Double p2 = item.getPoints().get(1);
Double p3 = getMapPoint(e);
MouseEvent lastEvent = getFirstEvent();
boolean movingLeft = e.getX() - lastEvent.getX() < 0;
boolean movingDown = e.getY() - lastEvent.getY() > 0;
if (p3.x > p2.x) p2.x = p3.x;
else if (p3.x > p1.x) {
if (movingLeft) p1.x = p3.x;
else p2.x = p3.x;
} else if (p3.x < p1.x) p1.x = p3.x;
if (p3.y > p2.y) p2.y = p3.y;
else if (p3.y > p1.y) {
if (movingDown) p1.y = p3.y;
else p2.y = p3.y;
} else if (p3.y < p1.y) p1.y = p3.y;
item.setPoints(Arrays.asList(new Point2D.Double[] {p1, p2}));
}
}
@Override
protected void handlePress(MouseEvent e) {
super.handlePress(e);
DrawingItem item = getItem();
DragHandle handle = getHandle();
if (handle != null && item != null) {
int index = (Integer) handle.getData();
Double p = item.getPoints().get(Math.abs(index - 1)); // opposite is the anchor
anchor = new Double(p.getX(), p.getY());
}
}
@Override
protected void handlePress(MouseEvent e) {
DrawingItem item = getItem();
if (item.getPoints().isEmpty()) {
setLastEvent(e);
setFirstEvent(e);
setDragging(item);
item.addPoint(getMapPoint(e));
e.consume();
}
}
@Override
protected void handleDrag(MouseEvent e) {
DragHandle handle = getHandle();
DrawingItem item = getItem();
if (anchor != null && handle != null && handle.getType() == DragHandle.TYPE_POINT) {
Double p1 = item.getPoints().get(0);
Double p2 = item.getPoints().get(1);
Double p3 = getMapPoint(getInverslyRotatedPoint(e));
if (p3.x < anchor.x) p1.x = p3.x;
else if (p3.x > anchor.x) p2.x = p3.x;
if (p3.y > anchor.y) p2.y = p3.y;
else if (p3.y < anchor.y) p1.y = p3.y;
item.setPoints(Arrays.asList(new Point2D.Double[] {p1, p2}));
}
}