LCOV - code coverage report
Current view: top level - chart2/source/controller/main - ChartDropTargetHelper.cxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 6 75 8.0 %
Date: 2014-11-03 Functions: 5 9 55.6 %
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             : #include "ChartDropTargetHelper.hxx"
      21             : #include "DiagramHelper.hxx"
      22             : #include "DataSourceHelper.hxx"
      23             : 
      24             : #include <com/sun/star/chart2/XChartDocument.hpp>
      25             : #include <com/sun/star/chart2/data/XDataProvider.hpp>
      26             : #include <com/sun/star/container/XChild.hpp>
      27             : 
      28             : #include <sot/formats.hxx>
      29             : #include <vector>
      30             : 
      31             : using namespace ::com::sun::star;
      32             : 
      33             : using ::com::sun::star::uno::Reference;
      34             : using ::com::sun::star::uno::Sequence;
      35             : 
      36             : namespace
      37             : {
      38             : 
      39           0 : ::std::vector< OUString > lcl_getStringsFromByteSequence(
      40             :     const Sequence< sal_Int8 > & aByteSequence )
      41             : {
      42           0 :     ::std::vector< OUString > aResult;
      43           0 :     const sal_Int32 nLength = aByteSequence.getLength();
      44           0 :     const sal_Char * pBytes( reinterpret_cast< const sal_Char* >( aByteSequence.getConstArray()));
      45           0 :     sal_Int32 nStartPos = 0;
      46           0 :     for( sal_Int32 nPos=0; nPos<nLength; ++nPos )
      47             :     {
      48           0 :         if( pBytes[nPos] == '\0' )
      49             :         {
      50           0 :             aResult.push_back( OUString( pBytes + nStartPos, (nPos - nStartPos), RTL_TEXTENCODING_ASCII_US ));
      51           0 :             nStartPos = nPos + 1;
      52             :         }
      53             :     }
      54           0 :     return aResult;
      55             : }
      56             : 
      57             : } // anonymous namespace
      58             : 
      59             : namespace chart
      60             : {
      61             : 
      62          34 : ChartDropTargetHelper::ChartDropTargetHelper(
      63             :     const Reference< datatransfer::dnd::XDropTarget >& rxDropTarget,
      64             :     const Reference< chart2::XChartDocument > & xChartDocument ) :
      65             :         DropTargetHelper( rxDropTarget ),
      66          34 :         m_xChartDocument( xChartDocument )
      67          34 : {}
      68             : 
      69           4 : ChartDropTargetHelper::~ChartDropTargetHelper()
      70           4 : {}
      71             : 
      72           0 : bool ChartDropTargetHelper::satisfiesPrerequisites() const
      73             : {
      74           0 :     return  ( m_xChartDocument.is() &&
      75           0 :               ! m_xChartDocument->hasInternalDataProvider());
      76             : }
      77             : 
      78           0 : sal_Int8 ChartDropTargetHelper::AcceptDrop( const AcceptDropEvent& rEvt )
      79             : {
      80           0 :     sal_Int8 nResult = DND_ACTION_NONE;
      81             : 
      82           0 :     if( ( rEvt.mnAction == DND_ACTION_COPY ||
      83           0 :           rEvt.mnAction == DND_ACTION_MOVE ) &&
      84           0 :         satisfiesPrerequisites() &&
      85           0 :         IsDropFormatSupported( SOT_FORMATSTR_ID_LINK ) )
      86             :     {
      87             :         // @todo: check if the data is suitable. Is this possible without XTransferable?
      88           0 :         nResult = rEvt.mnAction;
      89             :     }
      90             : 
      91           0 :     return nResult;
      92             : }
      93             : 
      94           0 : sal_Int8 ChartDropTargetHelper::ExecuteDrop( const ExecuteDropEvent& rEvt )
      95             : {
      96           0 :     sal_Int8 nResult = DND_ACTION_NONE;
      97             : 
      98           0 :     if( ( rEvt.mnAction == DND_ACTION_COPY ||
      99           0 :           rEvt.mnAction == DND_ACTION_MOVE ) &&
     100           0 :         rEvt.maDropEvent.Transferable.is() &&
     101           0 :         satisfiesPrerequisites())
     102             :     {
     103           0 :         TransferableDataHelper aDataHelper( rEvt.maDropEvent.Transferable );
     104           0 :         if( aDataHelper.HasFormat( SOT_FORMATSTR_ID_LINK ))
     105             :         {
     106           0 :             Sequence<sal_Int8> aBytes = aDataHelper.GetSequence(SOT_FORMATSTR_ID_LINK, OUString());
     107           0 :             if (aBytes.getLength())
     108             :             {
     109           0 :                 ::std::vector< OUString > aStrings( lcl_getStringsFromByteSequence( aBytes ));
     110           0 :                 if( aStrings.size() >= 3 && aStrings[0] == "soffice" )
     111             :                 {
     112           0 :                     OUString aRangeString( aStrings[2] );
     113           0 :                     Reference< container::XChild > xChild( m_xChartDocument, uno::UNO_QUERY );
     114           0 :                     if( xChild.is())
     115             :                     {
     116           0 :                         Reference< frame::XModel > xParentModel( xChild->getParent(), uno::UNO_QUERY );
     117           0 :                         if( xParentModel.is() &&
     118           0 :                             m_xChartDocument.is())
     119             :                         {
     120           0 :                             bool bDataComesFromParent = true;
     121             :                             // @todo: get the title somehow and compare it to
     122             :                             // aDocName if successful (the document is the
     123             :                             // parent)
     124           0 :                             if( bDataComesFromParent )
     125             :                             {
     126           0 :                                 Reference< chart2::XDiagram > xDiagram( m_xChartDocument->getFirstDiagram() );
     127           0 :                                 Reference< chart2::data::XDataProvider > xDataProvider( m_xChartDocument->getDataProvider());
     128           0 :                                 if( xDataProvider.is() && xDiagram.is() &&
     129           0 :                                     DataSourceHelper::allArgumentsForRectRangeDetected( m_xChartDocument ))
     130             :                                 {
     131             :                                     Reference< chart2::data::XDataSource > xDataSource(
     132           0 :                                         DataSourceHelper::pressUsedDataIntoRectangularFormat( m_xChartDocument ));
     133             :                                     Sequence< beans::PropertyValue > aArguments(
     134           0 :                                         xDataProvider->detectArguments( xDataSource ));
     135             : 
     136           0 :                                     OUString aOldRange;
     137           0 :                                     beans::PropertyValue * pCellRange = 0;
     138           0 :                                     for( sal_Int32 i=0; i<aArguments.getLength(); ++i )
     139             :                                     {
     140           0 :                                         if ( aArguments[i].Name == "CellRangeRepresentation" )
     141             :                                         {
     142           0 :                                             pCellRange = (aArguments.getArray() + i);
     143           0 :                                             aArguments[i].Value >>= aOldRange;
     144           0 :                                             break;
     145             :                                         }
     146             :                                     }
     147           0 :                                     if( pCellRange )
     148             :                                     {
     149             :                                         // copy means add ranges, move means replace
     150           0 :                                         if( rEvt.mnAction == DND_ACTION_COPY )
     151             :                                         {
     152             :                                             // @todo: using implcit knowledge that ranges can be
     153             :                                             // merged with ";". This should be done more general
     154           0 :                                             pCellRange->Value <<= (aOldRange + ";" + aRangeString );
     155             :                                         }
     156             :                                         // move means replace range
     157             :                                         else
     158             :                                         {
     159           0 :                                             pCellRange->Value <<= aRangeString;
     160             :                                         }
     161             : 
     162           0 :                                         xDataSource.set( xDataProvider->createDataSource( aArguments ));
     163           0 :                                         xDiagram->setDiagramData( xDataSource, aArguments );
     164             : 
     165             :                                         // always return copy state to avoid deletion of the dragged range
     166           0 :                                         nResult = DND_ACTION_COPY;
     167           0 :                                     }
     168           0 :                                 }
     169             :                             }
     170           0 :                         }
     171           0 :                     }
     172           0 :                 }
     173           0 :             }
     174           0 :         }
     175             :     }
     176           0 :     return nResult;
     177             : }
     178             : 
     179         102 : } //  namespace chart
     180             : 
     181             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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