How do I restrict a window component to drag just inside a contentpanel on GXT - GWT?

How do I restrict a window component to drag just inside a contentpanel on GXT - GWT?

I 开发者_StackOverflowneed your help, thanks.

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When setting your draggable utlize the setContainer portion and that tells the draggable object that it is constrained too that container only and hence will not be dragged out of it.

Check the Draggable help online regarding this.