# Package org.eclipse.gef.zest.fx.operations

This package provides an `IUndoableOperation` to support hiding/unhiding of nodes and related edges ( `HideOperation`).

See: Description

Class Summary
ChangeAttributeOperation: The `ChangeAttributeOperation` can be used to manipulate the value of an attribute of an `IAttributeStore`.
HideOperation: The `HideOperation` can be used to add a `NodePart` to the `HidingModel`.
NavigateOperation: The `NavigateOperation` is a `ReverseUndoCompositeOperation` that combines a `ChangeContentsOperation` and an `ChangeViewportOperation` to navigate between nested and parent `Graph`s.
ShowHiddenNeighborsOperation: The `ShowHiddenNeighborsOperation` can be used to remove the neighbors of a given `NodePart` from the `HidingModel` of a given `IViewer`.

## Package org.eclipse.gef.zest.fx.operations Description

This package provides an `IUndoableOperation` to support hiding/unhiding of nodes and related edges ( `HideOperation`).