/**
* Returns the direction to set the decorator for the node
*
* @param node the node
* @return the direction to set the decorator for the node direction can be :
* <ul>
* <li>{@link PositionConstants#NORTH_WEST} or {@link PositionConstants#SOUTH_EAST} if the
* node is an Affixed Child Node
* <li>{@link PositionConstants#EAST} if the node is in a compartment list
* <li>{@link PositionConstants#SOUTH_EAST} in other cases
* </ul>
*/
protected Direction getDirection(Node node) {
IGraphicalEditPart gep =
(IGraphicalEditPart) getDecoratorTarget().getAdapter(IGraphicalEditPart.class);
assert gep != null;
// test if its an affixed ChildNode
// if(Util.isAffixedChildNode(gep)) {
//
// IBorderItemLocator loc =
// ((BorderNamedElementEditPart)gep).getBorderItemLocator();
// int location = loc.getCurrentSideOfParent();
// if(PositionConstants.NONE == location) { //sometimes
// getBorderItemLocator doesn't work correctly!
// location = PositionConstants.NORTH_WEST;
// }
// switch(location) {
// case PositionConstants.NORTH:
// case PositionConstants.NORTH_WEST:
// case PositionConstants.WEST:
// case PositionConstants.SOUTH_WEST:
// // return IDecoratorTarget.Direction.NORTH_WEST;
// default:
// return IDecoratorTarget.Direction.SOUTH_EAST;
// }
// }
if (gep.getParent() != null) {
if (isInCompartmentList(node) && !Util.isAffixedChildNode(gep)) {
return IDecoratorTarget.Direction.EAST;
}
}
return IDecoratorTarget.Direction.SOUTH_WEST;
}
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info)
throws ExecutionException {
parentTreeNodeEditPart.getParent().refresh();
final List<IGraphicalEditPart> treeChildren =
TreeLayoutUtil.getOrderedTreeChildren(parentTreeNodeEditPart);
treeChildren.remove(UIUtils.getEditPart(request.getElementToDestroy()));
TreeLayoutUtil.setTreeNodesPositionAnnotation(TreeLayoutUtil.getViews(treeChildren));
return CommandResult.newOKCommandResult();
}
/** @return the bordered node edit part. */
private IBorderedShapeEditPart getContainerBorderedNodeEditpart() {
IGraphicalEditPart current = this;
IBorderedShapeEditPart borderedNodeEditPart = null;
while (current != null && borderedNodeEditPart == null) {
if (current instanceof AbstractBorderedShapeEditPart) {
borderedNodeEditPart = (IBorderedShapeEditPart) current;
}
current = (IGraphicalEditPart) current.getParent();
}
return borderedNodeEditPart;
}
private Rectangle getAbsoluteBounds(IGraphicalEditPart editPart, Float[] preferPosition) {
if (editPart == null) {
return null;
}
Rectangle rect = editPart.getFigure().getBounds().getCopy();
if (rect.isEmpty() && rect.x == 0 && rect.y == 0) { // Not displayed yet.
View view = editPart.getNotationView();
if (view instanceof Node) {
LayoutConstraint constraint = ((Node) view).getLayoutConstraint();
if (constraint instanceof Bounds) {
Bounds bounds = (Bounds) constraint;
if (bounds.getX() > 0) {
rect.x = bounds.getX();
}
if (bounds.getY() > 0) {
rect.y = bounds.getY();
} else if (preferPosition != null
&& preferPosition.length > 0
&& preferPosition[0] != null) {
rect.y = preferPosition[0].intValue();
}
if (bounds.getWidth() != -1) {
rect.width = bounds.getWidth();
}
if (bounds.getHeight() != -1) {
rect.height = bounds.getHeight();
}
}
}
Rectangle parentRect = getAbsoluteBounds((IGraphicalEditPart) editPart.getParent(), null);
rect.x += parentRect.x;
rect.y += parentRect.y;
} else {
rect = SequenceUtil.getAbsoluteBounds(editPart);
}
return rect;
}