Examples with DisplayEditpart org.csstudio.opibuilder.editparts.DisplayEditpart used on opensource projects

Example 6 with DisplayEditpart

use of org.csstudio.opibuilder.editparts.DisplayEditpart in project yamcs-studio by yamcs.

the class SelectParentHandler method execute.

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    GraphicalViewer viewer = HandlerUtil.getActivePart(event).getAdapter(GraphicalViewer.class);
    if (viewer == null)
        return null;
    ISelection currentSelection = viewer.getSelection();
    if (currentSelection instanceof IStructuredSelection) {
        Object element = ((IStructuredSelection) currentSelection).getFirstElement();
        if (element instanceof AbstractBaseEditPart && !(element instanceof DisplayEditpart)) {
            if (((AbstractBaseEditPart) element).getParent().isSelectable())
                ((AbstractBaseEditPart) element).getViewer().select(((AbstractBaseEditPart) element).getParent());
            else
                ConsoleUtil.writeWarning("Parent of the selected widget is unselectable. Its grandparent may be locked.");
        }
    }
    return null;
}