private ChangeBoundsRequest initConstrainedRequest(ChangeBoundsRequest request) {
ChangeBoundsRequest req = new ChangeBoundsRequest();
req.setConstrainedResize(true);
req.setConstrainedMove(true);
req.setType(request.getType());
req.setResizeDirection(request.getResizeDirection());
req.getExtendedData().put(REGION_RESIZE_PROPAGATOR, getHost());
req.getExtendedData()
.put(
SiriusResizeTracker.CHILDREN_MOVE_MODE_KEY,
request.getExtendedData().get(SiriusResizeTracker.CHILDREN_MOVE_MODE_KEY));
req.getExtendedData().put(REGION_RESIZE_INITIAL_REQUEST, request);
return req;
}
@Override
protected void updateSourceRequest() {
ChangeBoundsRequest request = (ChangeBoundsRequest) getSourceRequest();
Dimension d = getDragMoveDelta();
Point location = new Point(getLocation());
Point moveDelta = new Point(0, 0);
Dimension resizeDelta = new Dimension(0, 0);
request.setConstrainedResize(false);
request.setCenteredResize(getCurrentInput().isModKeyDown(SWT.MOD1));
if ((getResizeDirection() & PositionConstants.NORTH) != 0) {
moveDelta.y += d.height;
resizeDelta.height -= d.height;
}
if ((getResizeDirection() & PositionConstants.SOUTH) != 0) {
resizeDelta.height += d.height;
}
if ((getResizeDirection() & PositionConstants.WEST) != 0) {
moveDelta.x += d.width;
resizeDelta.width -= d.width;
}
if ((getResizeDirection() & PositionConstants.EAST) != 0) {
resizeDelta.width += d.width;
}
request.setMoveDelta(moveDelta);
request.setSizeDelta(resizeDelta);
request.setLocation(location);
request.setEditParts(getOperationSet());
request.getExtendedData().clear();
// TODO: snapping
}