@Override
protected void preMoveShape(IMoveShapeContext context) {
MoveShapeContext msc = (MoveShapeContext) context;
ContainerShape oldContainer = context.getSourceContainer();
ContainerShape newContainer = context.getTargetContainer();
IPeLayoutService peLayoutService = Graphiti.getPeLayoutService();
// Shape shape = context.getShape();
// ILocation loc = peService.getLocationRelativeToDiagram(shape);
ILocation oldLoc = peLayoutService.getLocationRelativeToDiagram(oldContainer);
ILocation newLoc = peLayoutService.getLocationRelativeToDiagram(newContainer);
// System.out.println(
// (oldContainer==newContainer ? "inside:\n" : "outside:\n")+
// "oldContainer:\n" +
// " x="+oldLoc.getX()+"\n"+
// " y="+oldLoc.getY()+"\n"+
// "newContainer:\n" +
// " x="+newLoc.getX()+"\n"+
// " y="+newLoc.getY()+"\n"+
// "shape:\n" +
// " rel x="+shape.getGraphicsAlgorithm().getX()+"\n"+
// " rel y="+shape.getGraphicsAlgorithm().getY()+"\n"+
// " abs x="+loc.getX()+"\n"+
// " abs y="+loc.getY()+"\n"+
// "context:\n" +
// " x="+msc.getX()+"\n"+
// " y="+msc.getY()+"\n"+
// " deltaX="+msc.getDeltaX()+"\n"+
// " deltaY="+msc.getDeltaY()+"\n"+
// "\n"
// );
if (oldContainer != newContainer) {
int x = newLoc.getX() + msc.getX() - oldLoc.getX();
int y = newLoc.getY() + msc.getY() - oldLoc.getY();
int deltaX = newLoc.getX() + msc.getDeltaX() - oldLoc.getX();
int deltaY = newLoc.getY() + msc.getDeltaY() - oldLoc.getY();
// System.out.println(
// "new context:\n"+
// " x="+( newLoc.getX() + msc.getX() - oldLoc.getX() )+"\n"+
// " y="+msc.getY()+"\n"+
// " deltaX="+( newLoc.getX() + msc.getDeltaX() - oldLoc.getX() )+"\n"+
// " deltaY="+msc.getDeltaY()+"\n"+
// "\n"
// );
// msc.setX(x);
// msc.setY(y);
// msc.setDeltaX(deltaX);
// msc.setDeltaY(deltaY);
// msc.setTargetContainer(oldContainer);
}
super.preMoveShape(context);
}
