dbaccess/source/ui/misc/singledoccontroller.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <dbaccess/dbaundomanager.hxx>
  21 #include <dbaccess/dataview.hxx>
  22 #include <core_resource.hxx>
  23 #include <singledoccontroller.hxx>
  24 #include <browserids.hxx>
  25 #include <strings.hrc>
  26
  27 #include <svl/undo.hxx>
  28
  29 namespace dbaui
  30 {
  31
  32     using ::com::sun::star::uno::Reference;
  33     using ::com::sun::star::uno::Sequence;
  34     using ::com::sun::star::uno::XComponentContext;
  35     using ::com::sun::star::document::XUndoManager;
  36     using ::com::sun::star::beans::PropertyValue;
  37
  38     // OSingleDocumentController_Data
  39     struct OSingleDocumentController_Data
  40     {
  41         // no Reference! see UndoManager::acquire
  42         std::unique_ptr<UndoManager> m_pUndoManager;
  43
  44         OSingleDocumentController_Data( ::cppu::OWeakObject& i_parent, ::osl::Mutex& i_mutex )
  45             : m_pUndoManager(new UndoManager(i_parent, i_mutex))
  46         {
  47         }
  48     };
  49
  50     // OSingleDocumentController
  51     OSingleDocumentController::OSingleDocumentController( const Reference< XComponentContext >& _rxORB )
  52         :OSingleDocumentController_Base( _rxORB )
  53         ,m_pData( new OSingleDocumentController_Data( *this, getMutex() ) )
  54     {
  55     }
  56
  57     OSingleDocumentController::~OSingleDocumentController()
  58     {
  59     }
  60
  61     void SAL_CALL OSingleDocumentController::disposing()
  62     {
  63         OSingleDocumentController_Base::disposing();
  64         ClearUndoManager();
  65         m_pData->m_pUndoManager->disposing();
  66     }
  67
  68     void OSingleDocumentController::ClearUndoManager()
  69     {
  70         GetUndoManager().Clear();
  71     }
  72
  73     SfxUndoManager& OSingleDocumentController::GetUndoManager() const
  74     {
  75         return m_pData->m_pUndoManager->GetSfxUndoManager();
  76     }
  77
  78     void OSingleDocumentController::addUndoActionAndInvalidate(std::unique_ptr<SfxUndoAction> _pAction)
  79     {
  80         // add undo action
  81         GetUndoManager().AddUndoAction( std::move(_pAction) );
  82
  83         // when we add an undo action the controller was modified
  84         setModified( true );
  85
  86         // now inform me that or states changed
  87         InvalidateFeature( ID_BROWSER_UNDO );
  88         InvalidateFeature( ID_BROWSER_REDO );
  89     }
  90
  91     Reference< XUndoManager > SAL_CALL OSingleDocumentController::getUndoManager(  )
  92     {
  93         // see UndoManager::acquire
  94         return m_pData->m_pUndoManager.get();
  95     }
  96
  97     FeatureState OSingleDocumentController::GetState(sal_uInt16 _nId) const
  98     {
  99         FeatureState aReturn;
 100         switch ( _nId )
 101         {
 102             case ID_BROWSER_UNDO:
 103                 aReturn.bEnabled = isEditable() && GetUndoManager().GetUndoActionCount() != 0;
 104                 if ( aReturn.bEnabled )
 105                 {
 106                     OUString sUndo = DBA_RES(STR_UNDO_COLON) + " " +
 107                         GetUndoManager().GetUndoActionComment();
 108                     aReturn.sTitle = sUndo;
 109                 }
 110                 break;
 111
 112             case ID_BROWSER_REDO:
 113                 aReturn.bEnabled = isEditable() && GetUndoManager().GetRedoActionCount() != 0;
 114                 if ( aReturn.bEnabled )
 115                 {
 116                     OUString sRedo = DBA_RES(STR_REDO_COLON) + " " +
 117                         GetUndoManager().GetRedoActionComment();
 118                     aReturn.sTitle = sRedo;
 119                 }
 120                 break;
 121
 122             case SID_GETUNDOSTRINGS:
 123             {
 124                 size_t nCount(GetUndoManager().GetUndoActionCount());
 125                 Sequence<OUString> aSeq(nCount);
 126                 for (size_t n = 0; n < nCount; ++n)
 127                     aSeq[n] = GetUndoManager().GetUndoActionComment(n);
 128                 aReturn.aValue <<= aSeq;
 129                 aReturn.bEnabled = true;
 130                 break;
 131             }
 132
 133             case SID_GETREDOSTRINGS:
 134             {
 135                 size_t nCount(GetUndoManager().GetRedoActionCount());
 136                 Sequence<OUString> aSeq(nCount);
 137                 for (size_t n = 0; n < nCount; ++n)
 138                     aSeq[n] = GetUndoManager().GetRedoActionComment(n);
 139                 aReturn.aValue <<= aSeq;
 140                 aReturn.bEnabled = true;
 141                 break;
 142             }
 143
 144             default:
 145                 aReturn = OSingleDocumentController_Base::GetState(_nId);
 146         }
 147         return aReturn;
 148     }
 149     void OSingleDocumentController::Execute( sal_uInt16 _nId, const Sequence< PropertyValue >& _rArgs )
 150     {
 151         switch ( _nId )
 152         {
 153             case ID_BROWSER_UNDO:
 154             case ID_BROWSER_REDO:
 155             {
 156                 sal_Int16 nCount(1);
 157                 if (_rArgs.hasElements() && _rArgs[0].Name != "KeyModifier")
 158                     _rArgs[0].Value >>= nCount;
 159
 160                 while (nCount--)
 161                 {
 162                     if (_nId == ID_BROWSER_UNDO)
 163                         GetUndoManager().Undo();
 164                     else
 165                         GetUndoManager().Redo();
 166                 }
 167
 168                 InvalidateFeature( ID_BROWSER_UNDO );
 169                 InvalidateFeature( ID_BROWSER_REDO );
 170                 break;
 171             }
 172
 173             default:
 174                 OSingleDocumentController_Base::Execute( _nId, _rArgs );
 175                 break;
 176         }
 177         InvalidateFeature(_nId);
 178     }
 179
 180 } // namespace dbaui
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */