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Eclipse Plug-in Developer Guide
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Eclipse Platform
Release 3.5

Package org.eclipse.ui.operations

Classes that provide the basic workbench UI support for undo and redo of operations.

See:
           Description

Interface Summary
IWorkbenchOperationSupport An instance of this interface provides support for managing a a shared operations history and an shared undo context at the IWorkbench level.
 

Class Summary
LinearUndoViolationUserApprover An operation approver that prompts the user to see if linear undo violations are permitted.
NonLocalUndoUserApprover An operation approver that prompts the user to see if a non-local undo should proceed inside an editor.
OperationHistoryActionHandler OperationHistoryActionHandler implements common behavior for the undo and redo actions.
RedoActionHandler RedoActionHandler provides common behavior for redoing an operation, as well as labelling and enabling the menu item.
UndoActionHandler UndoActionHandler provides common behavior for performing an undo, as well as labelling and enabling the undo menu item.
UndoRedoActionGroup UndoRedoActionGroup provides standard undo and redo action handlers for a workbench part site.
 

Package org.eclipse.ui.operations Description

Classes that provide the basic workbench UI support for undo and redo of operations.

Package Specification

This package provides utilities that implement the common function for interacting with the workbench operation history. The workbench operation support provides access to the operation history used by the workbench and a context that should be used to identify operations global to the workbench. The workbench history is used to maintain all undoable operations that occur in the workbench. Standard action handlers and an associated action group are provided so that any view or editor can easily add undo/redo support that works with the workbench operations history. Specialized operation approvers can be used by clients to get user approval for unexpected conditions in the operation history.


Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire