1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _SD_UNDOMANAGER_HXX 25 #define _SD_UNDOMANAGER_HXX 26 27 #include <misc/scopelock.hxx> 28 #include <svx/sdrundomanager.hxx> 29 30 namespace sd 31 { 32 33 class UndoManager : public SdrUndoManager 34 { 35 public: 36 UndoManager( sal_uInt16 nMaxUndoActionCount = 20 ); 37 38 virtual void EnterListAction(const UniString &rComment, const UniString& rRepeatComment, sal_uInt16 nId=0); 39 40 virtual void AddUndoAction( SfxUndoAction *pAction, sal_Bool bTryMerg=sal_False ); 41 42 /** Set or reset the undo manager linked with the called undo manager. 43 */ 44 void SetLinkedUndoManager (::svl::IUndoManager* pLinkedUndoManager); 45 46 private: 47 using SdrUndoManager::Undo; 48 using SdrUndoManager::Redo; 49 50 /** Used when the outline view is visible as a last resort to 51 synchronize the undo managers. 52 */ 53 ::svl::IUndoManager* mpLinkedUndoManager; 54 55 /** Call ClearRedo() at the linked undo manager, when present. 56 57 It should not be necessary to call ClearRedo() explicitly, but the 58 synchronization between the under managers of the document and the 59 outline view seems to have a bug. Therefore this method is called 60 whenever a new undo action is added. 61 */ 62 void ClearLinkedRedoActions (void); 63 }; 64 65 } 66 67 #endif // _SD_UNDOMANAGER_HXX 68