sw/source/core/doc/DocumentChartDataProviderManager.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 <DocumentChartDataProviderManager.hxx>
  21
  22 #include <doc.hxx>
  23 #include <IDocumentLayoutAccess.hxx>
  24 #include <vcl/svapp.hxx>
  25 #include <swtable.hxx>
  26 #include <unochart.hxx>
  27 #include <ndole.hxx>
  28 #include <com/sun/star/chart2/XChartDocument.hpp>
  29 #include <com/sun/star/embed/XEmbeddedObject.hpp>
  30
  31
  32 using namespace com::sun::star;
  33 using namespace com::sun::star::uno;
  34
  35 namespace sw {
  36
  37 DocumentChartDataProviderManager::DocumentChartDataProviderManager( SwDoc& i_rSwdoc ) : m_rDoc( i_rSwdoc )
  38 {
  39
  40 }
  41
  42 SwChartDataProvider * DocumentChartDataProviderManager::GetChartDataProvider( bool bCreate ) const
  43 {
  44     // since there must be only one instance of this object per document
  45     // we need a mutex here
  46     SolarMutexGuard aGuard;
  47
  48     if (bCreate && !maChartDataProviderImplRef.is())
  49     {
  50         maChartDataProviderImplRef = new SwChartDataProvider(m_rDoc);
  51     }
  52     return maChartDataProviderImplRef.get();
  53 }
  54
  55 void DocumentChartDataProviderManager::CreateChartInternalDataProviders( const SwTable *pTable )
  56 {
  57     if (!pTable)
  58         return;
  59
  60     OUString aName( pTable->GetFrameFormat()->GetName() );
  61     SwOLENode *pONd;
  62     SwStartNode *pStNd;
  63     SwNodeIndex aIdx( *m_rDoc.GetNodes().GetEndOfAutotext().StartOfSectionNode(), 1 );
  64     while (nullptr != (pStNd = aIdx.GetNode().GetStartNode()))
  65     {
  66         ++aIdx;
  67         pONd = aIdx.GetNode().GetOLENode();
  68         if( pONd &&
  69             aName == pONd->GetChartTableName() /* OLE node is chart? */ &&
  70             nullptr != (pONd->getLayoutFrame( m_rDoc.getIDocumentLayoutAccess().GetCurrentLayout() )) /* chart frame is not hidden */ )
  71         {
  72             uno::Reference < embed::XEmbeddedObject > xIP = pONd->GetOLEObj().GetOleRef();
  73             if ( svt::EmbeddedObjectRef::TryRunningState( xIP ) )
  74             {
  75                 uno::Reference< chart2::XChartDocument > xChart( xIP->getComponent(), UNO_QUERY );
  76                 if (xChart.is())
  77                     xChart->createInternalDataProvider( true );
  78
  79                 // there may be more than one chart for each table thus we need to continue the loop...
  80             }
  81         }
  82         aIdx.Assign( *pStNd->EndOfSectionNode(), + 1 );
  83     }
  84 }
  85
  86 SwChartLockController_Helper & DocumentChartDataProviderManager::GetChartControllerHelper()
  87 {
  88     if (!mpChartControllerHelper)
  89     {
  90         mpChartControllerHelper.reset(new SwChartLockController_Helper( & m_rDoc ));
  91     }
  92     return *mpChartControllerHelper;
  93 }
  94
  95 DocumentChartDataProviderManager::~DocumentChartDataProviderManager()
  96 {
  97     // clean up chart related structures...
  98     // Note: the chart data provider gets already disposed in ~SwDocShell
  99     // since all UNO API related functionality requires an existing SwDocShell
 100     // this assures that dispose gets called if there is need for it.
 101     maChartDataProviderImplRef.clear();
 102 }
 103
 104 }
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */