LCOV - code coverage report
Current view: top level - libreoffice/chart2/source/controller/main - UndoGuard.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 58 0.0 %
Date: 2012-12-27 Functions: 0 14 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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             : 
      21             : #include "UndoGuard.hxx"
      22             : #include "ChartModelClone.hxx"
      23             : #include "UndoActions.hxx"
      24             : 
      25             : #include <com/sun/star/container/XChild.hpp>
      26             : 
      27             : #include <tools/diagnose_ex.h>
      28             : 
      29             : using namespace ::com::sun::star;
      30             : 
      31             : using ::com::sun::star::uno::Reference;
      32             : using ::com::sun::star::uno::Sequence;
      33             : using ::rtl::OUString;
      34             : 
      35             : namespace chart
      36             : {
      37             : 
      38             : //-----------------------------------------------------------------------------
      39             : 
      40           0 : UndoGuard::UndoGuard( const OUString& i_undoString, const uno::Reference< document::XUndoManager > & i_undoManager,
      41             :                                const ModelFacet i_facet )
      42           0 :     :m_xChartModel( i_undoManager->getParent(), uno::UNO_QUERY_THROW )
      43             :     ,m_xUndoManager( i_undoManager )
      44             :     ,m_pDocumentSnapshot()
      45             :     ,m_aUndoString( i_undoString )
      46           0 :     ,m_bActionPosted( false )
      47             : {
      48           0 :     m_pDocumentSnapshot.reset( new ChartModelClone( m_xChartModel, i_facet ) );
      49           0 : }
      50             : 
      51             : //-----------------------------------------------------------------------------
      52             : 
      53           0 : UndoGuard::~UndoGuard()
      54             : {
      55           0 :     if ( !!m_pDocumentSnapshot )
      56           0 :         discardSnapshot();
      57           0 : }
      58             : 
      59             : //-----------------------------------------------------------------------------
      60             : 
      61           0 : void UndoGuard::commit()
      62             : {
      63           0 :     if ( !m_bActionPosted && !!m_pDocumentSnapshot )
      64             :     {
      65             :         try
      66             :         {
      67           0 :             const Reference< document::XUndoAction > xAction( new impl::UndoElement( m_aUndoString, m_xChartModel, m_pDocumentSnapshot ) );
      68           0 :             m_pDocumentSnapshot.reset();    // don't dispose, it's data went over to the UndoElement
      69           0 :             m_xUndoManager->addUndoAction( xAction );
      70             :         }
      71           0 :         catch( const uno::Exception& )
      72             :         {
      73             :             DBG_UNHANDLED_EXCEPTION();
      74             :         }
      75             :     }
      76           0 :     m_bActionPosted = true;
      77           0 : }
      78             : 
      79             : //-----------------------------------------------------------------------------
      80             : 
      81           0 : void UndoGuard::rollback()
      82             : {
      83           0 :     ENSURE_OR_RETURN_VOID( !!m_pDocumentSnapshot, "no snapshot!" );
      84           0 :     m_pDocumentSnapshot->applyToModel( m_xChartModel );
      85           0 :     discardSnapshot();
      86             : }
      87             : 
      88             : //-----------------------------------------------------------------------------
      89           0 : void UndoGuard::discardSnapshot()
      90             : {
      91           0 :     ENSURE_OR_RETURN_VOID( !!m_pDocumentSnapshot, "no snapshot!" );
      92           0 :     m_pDocumentSnapshot->dispose();
      93           0 :     m_pDocumentSnapshot.reset();
      94             : }
      95             : 
      96             : //-----------------------------------------------------------------------------
      97             : 
      98           0 : UndoLiveUpdateGuard::UndoLiveUpdateGuard( const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
      99           0 :     :UndoGuard( i_undoString, i_undoManager, E_MODEL )
     100             : {
     101           0 : }
     102             : 
     103           0 : UndoLiveUpdateGuard::~UndoLiveUpdateGuard()
     104             : {
     105           0 :     if ( !isActionPosted() )
     106           0 :         rollback();
     107           0 : }
     108             : 
     109             : //-----------------------------------------------------------------------------
     110             : 
     111           0 : UndoLiveUpdateGuardWithData::UndoLiveUpdateGuardWithData(
     112             :         const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
     113           0 :     :UndoGuard( i_undoString, i_undoManager, E_MODEL_WITH_DATA )
     114             : {
     115           0 : }
     116             : 
     117           0 : UndoLiveUpdateGuardWithData::~UndoLiveUpdateGuardWithData()
     118             : {
     119           0 :     if ( !isActionPosted() )
     120           0 :         rollback();
     121           0 : }
     122             : 
     123             : //-----------------------------------------------------------------------------
     124             : 
     125           0 : UndoGuardWithSelection::UndoGuardWithSelection(
     126             :         const OUString& i_undoString, const uno::Reference< document::XUndoManager >& i_undoManager )
     127           0 :     :UndoGuard( i_undoString, i_undoManager, E_MODEL_WITH_SELECTION )
     128             : {
     129           0 : }
     130             : 
     131             : //-----------------------------------------------------------------------------
     132             : 
     133           0 : UndoGuardWithSelection::~UndoGuardWithSelection()
     134             : {
     135           0 :     if ( !isActionPosted() )
     136           0 :         rollback();
     137           0 : }
     138             : 
     139           0 : HiddenUndoContext::HiddenUndoContext( const Reference< document::XUndoManager > & i_undoManager )
     140           0 :     :m_xUndoManager( i_undoManager )
     141             : {
     142           0 :     ENSURE_OR_THROW( m_xUndoManager.is(), "invalid undo manager!" );
     143             :     try
     144             :     {
     145           0 :         m_xUndoManager->enterHiddenUndoContext();
     146             :     }
     147           0 :     catch( const uno::Exception& )
     148             :     {
     149             :         DBG_UNHANDLED_EXCEPTION();
     150           0 :         m_xUndoManager.clear();
     151             :             // prevents the leaveUndoContext in the dtor
     152             :     }
     153           0 : }
     154             : 
     155             : //-----------------------------------------------------------------------------
     156             : 
     157           0 : HiddenUndoContext::~HiddenUndoContext()
     158             : {
     159             :     try
     160             :     {
     161           0 :         if ( m_xUndoManager.is() )
     162           0 :             m_xUndoManager->leaveUndoContext();
     163             :     }
     164           0 :     catch( const uno::Exception& )
     165             :     {
     166             :         DBG_UNHANDLED_EXCEPTION();
     167             :     }
     168           0 : }
     169             : 
     170             : } //  namespace chart
     171             : 
     172             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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