Package org.eclipse.graphiti.pattern
Interface ICustomAbortableUndoRedoPattern
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- All Superinterfaces:
ICustomUndoRedoPattern
public interface ICustomAbortableUndoRedoPattern extends ICustomUndoRedoPattern
This interface can by used and implemented by customers within any pattern to signal the need for additional work that needs to be done before or after undo and redo. In addition toICustomUndoRedoPattern
this interface supports cancellation of undo/redo operations.- Since:
- 0.12
- See Also:
ICustomUndoRedoPattern
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description boolean
isAbort()
The Graphiti framework will call this method after#preUndo(org.eclipse.graphiti.features.context.IContext)
/#preRedo(org.eclipse.graphiti.features.context.IContext)
have been called and before the actual undo/redo operation is triggered.
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Method Detail
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isAbort
boolean isAbort()
The Graphiti framework will call this method after#preUndo(org.eclipse.graphiti.features.context.IContext)
/#preRedo(org.eclipse.graphiti.features.context.IContext)
have been called and before the actual undo/redo operation is triggered. In case this method returnstrue
, the operation will be cancelled by the Graphiti framework by throwing anOperationCanceledException
that causes am EMF revert of the operation.Implementing classes might e.g. set a flag in
#preUndo(org.eclipse.graphiti.features.context.IContext)
/#preRedo(org.eclipse.graphiti.features.context.IContext)
as cancellation indication and check that that flag here.- Returns:
true
in case you want to cancel the current operation,false
otherwise.
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