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Class Summary |
| DereferenceUndo |
This subclasses UndoRecord to undo the effect of dererenceing a DataNode. |
| FieldUndo |
Subclasses UndoRecord to restore state of the main value of any ModelNode. |
| GeometryUndo |
This is a subclass of UndoRecord for restoring entire geometries. |
| TransformUndo |
This is a subclass of UndoRecord that save the coordinate system of
ShapeGroups. |
| TreeUndo |
Subclass of UndoRecord that stores how tree nodes are parented in database. |
| UndoGroup |
This subclasses UndoRecord to execute a series of Undo's in the implementation
of this objects undo(). |
| UndoMark |
This is an undo record that is used to mark a position in the undo stack |
| UndoRecord |
Sub classes of UndoRecord are responsible for undoing changes to the data
state. |
| ViewpointUndo |
This is a subclass of UndoRecord to store the viewpoint's state. |