dbaccess/source/ui/querydesign/JoinExchange.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 "JoinExchange.hxx"
  21 #include <sot/formats.hxx>
  22 #include <cppuhelper/typeprovider.hxx>
  23
  24 namespace dbaui
  25 {
  26     using namespace ::com::sun::star::uno;
  27     using namespace ::com::sun::star::util;
  28     using namespace ::com::sun::star::lang;
  29     using namespace ::com::sun::star::datatransfer;
  30
  31     OUString OJoinExchObj::m_sJoinFormat;
  32
  33     // class OJoinExchObj
  34     OJoinExchObj::OJoinExchObj(const OJoinExchangeData& jxdSource,bool _bFirstEntry)
  35         :m_bFirstEntry(_bFirstEntry)
  36         ,m_jxdSourceDescription(jxdSource)
  37         ,m_pDragListener(NULL)
  38     {
  39         // add available types to list
  40     }
  41
  42     OJoinExchObj::~OJoinExchObj()
  43     {
  44     }
  45
  46     void OJoinExchObj::StartDrag( vcl::Window* _pWindow, sal_Int8 _nDragSourceActions, IDragTransferableListener* _pListener )
  47     {
  48         m_pDragListener = _pListener;
  49         TransferableHelper::StartDrag(_pWindow, _nDragSourceActions);
  50     }
  51
  52     void OJoinExchObj::DragFinished( sal_Int8 /*nDropAction*/ )
  53     {
  54         if (m_pDragListener)
  55             m_pDragListener->dragFinished();
  56         m_pDragListener = NULL;
  57     }
  58
  59     bool OJoinExchObj::isFormatAvailable( const DataFlavorExVector& _rFormats ,SotClipboardFormatId _nSlotID)
  60     {
  61         DataFlavorExVector::const_iterator aCheckEnd = _rFormats.end();
  62         for (   DataFlavorExVector::const_iterator aCheck = _rFormats.begin();
  63                 aCheck != aCheckEnd;
  64                 ++aCheck
  65             )
  66         {
  67             if ( _nSlotID == aCheck->mnSotId )
  68                 return true;
  69         }
  70         return false;
  71     }
  72
  73     OJoinExchangeData OJoinExchObj::GetSourceDescription(const Reference< XTransferable >& _rxObject)
  74     {
  75         OJoinExchangeData aReturn;
  76         Reference< XUnoTunnel > xTunnel(_rxObject, UNO_QUERY);
  77         if (xTunnel.is())
  78         {
  79             OJoinExchObj* pImplementation = reinterpret_cast<OJoinExchObj*>(xTunnel->getSomething(getUnoTunnelImplementationId()));
  80             if (pImplementation)
  81                 aReturn = pImplementation->m_jxdSourceDescription;
  82         }
  83         return aReturn;
  84     }
  85
  86     Sequence< sal_Int8 > OJoinExchObj::getUnoTunnelImplementationId()
  87     {
  88         static ::cppu::OImplementationId * pId = 0;
  89         if (! pId)
  90         {
  91             ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
  92             if (! pId)
  93             {
  94                 static ::cppu::OImplementationId aId;
  95                 pId = &aId;
  96             }
  97         }
  98         return pId->getImplementationId();
  99     }
 100
 101     sal_Int64 SAL_CALL OJoinExchObj::getSomething( const Sequence< sal_Int8 >& _rIdentifier ) throw(RuntimeException, std::exception)
 102     {
 103         if (_rIdentifier.getLength() == 16 && 0 == memcmp(getUnoTunnelImplementationId().getConstArray(),  _rIdentifier.getConstArray(), 16 ) )
 104             return reinterpret_cast<sal_Int64>(this);
 105
 106         return 0;
 107     }
 108
 109     void OJoinExchObj::AddSupportedFormats()
 110     {
 111         AddFormat( SotClipboardFormatId::SBA_JOIN );
 112         if ( m_bFirstEntry )
 113             AddFormat( SotClipboardFormatId::SBA_TABID );
 114     }
 115
 116     bool OJoinExchObj::GetData( const css::datatransfer::DataFlavor& rFlavor, const OUString& /*rDestDoc*/ )
 117     {
 118         SotClipboardFormatId nFormat = SotExchange::GetFormat(rFlavor);
 119         if ( SotClipboardFormatId::SBA_JOIN == nFormat )
 120             // this is a HACK
 121             // we don't really copy our data, the instances using us have to call GetSourceDescription ....
 122             // if, one day, we have a _lot_ of time, this hack should be removed ....
 123             return true;
 124
 125         return false;
 126     }
 127
 128     Any SAL_CALL OJoinExchObj::queryInterface( const Type& _rType ) throw(RuntimeException, std::exception)
 129     {
 130         Any aReturn = TransferableHelper::queryInterface(_rType);
 131         if (!aReturn.hasValue())
 132             aReturn = OJoinExchObj_Base::queryInterface(_rType);
 133         return aReturn;
 134     }
 135
 136     void SAL_CALL OJoinExchObj::acquire(  ) throw()
 137     {
 138         TransferableHelper::acquire( );
 139     }
 140
 141     void SAL_CALL OJoinExchObj::release(  ) throw()
 142     {
 143         TransferableHelper::release( );
 144     }
 145
 146 }   // namespace dbaui
 147
 148 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */