Eclipse RCP，SWT，JFace：如何创建仅对视图（而不是整个shell）模态的对话框？

Is there anyway to create a dialog that is modal to a view and not the entire shell (application)? So if say, I have one view called A that is overlaying another view called B, I want to open a dialog that is only modal to view A, so when I switch to view B, the dialog and the view A will be covered by view B. Is there anyway I can do this, even if it is not the normal practice to do?Is there anyway to create a dialog that is moda