@Override
public void keyPressed(KeyEvent evt) {
Figure f = getOwner();
if (f.isTransformable()) {
AffineTransform tx = new AffineTransform();
switch (evt.getKeyCode()) {
case KeyEvent.VK_UP:
tx.translate(0, -1);
evt.consume();
break;
case KeyEvent.VK_DOWN:
tx.translate(0, +1);
evt.consume();
break;
case KeyEvent.VK_LEFT:
tx.translate(-1, 0);
evt.consume();
break;
case KeyEvent.VK_RIGHT:
tx.translate(+1, 0);
evt.consume();
break;
}
f.willChange();
f.transform(tx);
f.changed();
fireUndoableEditHappened(new TransformEdit(f, tx));
}
}
public Rectangle2D.Double layout(
CompositeFigure compositeFigure, Point2D.Double anchor, Point2D.Double lead) {
Rectangle2D.Double bounds = null;
for (Figure child : compositeFigure.getChildren()) {
Locator locator = getLocator(child);
Rectangle2D.Double r;
if (locator == null) {
r = child.getBounds();
} else {
Point2D.Double p = locator.locate(compositeFigure, child);
Dimension2DDouble d = child.getPreferredSize();
r = new Rectangle2D.Double(p.x, p.y, d.width, d.height);
}
child.willChange();
child.setBounds(
new Point2D.Double(r.getMinX(), r.getMinY()),
new Point2D.Double(r.getMaxX(), r.getMaxY()));
child.changed();
if (!r.isEmpty()) {
if (bounds == null) {
bounds = r;
} else {
bounds.add(r);
}
}
}
return (bounds == null) ? new Rectangle2D.Double() : bounds;
}
@Override
public void trackStep(Point anchor, Point lead, int modifiersEx) {
Figure f = getOwner();
if (f.isTransformable()) {
Point2D.Double newPoint = view.getConstrainer().constrainPoint(view.viewToDrawing(lead));
AffineTransform tx = new AffineTransform();
tx.translate(newPoint.x - oldPoint.x, newPoint.y - oldPoint.y);
f.willChange();
f.transform(tx);
f.changed();
oldPoint = newPoint;
}
}