441 lines
17 KiB
C++
441 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "fmexch.hxx"
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#include <sot/storage.hxx>
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#include <svl/itempool.hxx>
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#include <svx/dbexch.hrc>
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#include <sot/formats.hxx>
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#include <svtools/svtreebx.hxx>
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#include <tools/diagnose_ex.h>
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#include <svl/svstdarr.hxx>
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//........................................................................
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namespace svxform
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{
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//........................................................................
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::datatransfer;
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//====================================================================
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//= OLocalExchange
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//====================================================================
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//--------------------------------------------------------------------
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OLocalExchange::OLocalExchange( )
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:m_bDragging( sal_False )
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,m_bClipboardOwner( sal_False )
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{
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}
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//--------------------------------------------------------------------
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void OLocalExchange::copyToClipboard( Window* _pWindow, const GrantAccess& )
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{
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if ( m_bClipboardOwner )
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{ // simulate a lostOwnership to notify parties interested in
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if ( m_aClipboardListener.IsSet() )
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m_aClipboardListener.Call( this );
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}
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m_bClipboardOwner = sal_True;
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CopyToClipboard( _pWindow );
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}
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//--------------------------------------------------------------------
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void OLocalExchange::clear()
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{
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if ( isClipboardOwner() )
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{
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try
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{
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Reference< clipboard::XClipboard > xClipBoard( getOwnClipboard() );
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if ( xClipBoard.is() )
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xClipBoard->setContents( NULL, NULL );
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION();
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}
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m_bClipboardOwner = sal_False;
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}
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}
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//--------------------------------------------------------------------
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void SAL_CALL OLocalExchange::lostOwnership( const Reference< clipboard::XClipboard >& _rxClipboard, const Reference< XTransferable >& _rxTrans ) throw(RuntimeException)
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{
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TransferableHelper::implCallOwnLostOwnership( _rxClipboard, _rxTrans );
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m_bClipboardOwner = sal_False;
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if ( m_aClipboardListener.IsSet() )
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m_aClipboardListener.Call( this );
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}
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//--------------------------------------------------------------------
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void OLocalExchange::startDrag( Window* _pWindow, sal_Int8 _nDragSourceActions, const GrantAccess& )
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{
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m_bDragging = sal_True;
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StartDrag( _pWindow, _nDragSourceActions );
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}
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//--------------------------------------------------------------------
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void OLocalExchange::DragFinished( sal_Int8 nDropAction )
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{
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TransferableHelper::DragFinished( nDropAction );
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m_bDragging = sal_False;
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}
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//--------------------------------------------------------------------
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sal_Bool OLocalExchange::hasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId )
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{
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DataFlavorExVector::const_iterator aSearch;
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for ( aSearch = _rFormats.begin(); aSearch != _rFormats.end(); ++aSearch )
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if ( aSearch->mnSotId == _nFormatId )
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break;
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return aSearch != _rFormats.end();
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}
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//--------------------------------------------------------------------
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sal_Bool OLocalExchange::GetData( const ::com::sun::star::datatransfer::DataFlavor& /*_rFlavor*/ )
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{
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return sal_False; // do not have any formats by default
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}
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//====================================================================
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//= OControlTransferData
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//====================================================================
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//--------------------------------------------------------------------
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OControlTransferData::OControlTransferData( )
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:m_pFocusEntry( NULL )
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{
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}
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//--------------------------------------------------------------------
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OControlTransferData::OControlTransferData( const Reference< XTransferable >& _rxTransferable )
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:m_pFocusEntry( NULL )
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{
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TransferableDataHelper aExchangedData( _rxTransferable );
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// try the formats we know
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if ( OControlExchange::hasControlPathFormat( aExchangedData.GetDataFlavorExVector() ) )
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{ // paths to the controls, relative to a root
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Sequence< Any > aControlPathData;
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if ( aExchangedData.GetAny( OControlExchange::getControlPathFormatId() ) >>= aControlPathData )
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{
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DBG_ASSERT( aControlPathData.getLength() >= 2, "OControlTransferData::OControlTransferData: invalid data for the control path format!" );
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if ( aControlPathData.getLength() >= 2 )
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{
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aControlPathData[0] >>= m_xFormsRoot;
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aControlPathData[1] >>= m_aControlPaths;
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}
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}
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else
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{
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OSL_FAIL( "OControlTransferData::OControlTransferData: invalid data for the control path format (2)!" );
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}
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}
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if ( OControlExchange::hasHiddenControlModelsFormat( aExchangedData.GetDataFlavorExVector() ) )
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{ // sequence of models of hidden controls
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aExchangedData.GetAny( OControlExchange::getHiddenControlModelsFormatId() ) >>= m_aHiddenControlModels;
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}
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updateFormats( );
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}
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//--------------------------------------------------------------------
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static sal_Bool lcl_fillDataFlavorEx( SotFormatStringId nId, DataFlavorEx& _rFlavor )
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{
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_rFlavor.mnSotId = nId;
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return SotExchange::GetFormatDataFlavor( _rFlavor.mnSotId, _rFlavor );
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}
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//--------------------------------------------------------------------
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void OControlTransferData::updateFormats( )
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{
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m_aCurrentFormats.clear();
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m_aCurrentFormats.reserve( 3 );
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DataFlavorEx aFlavor;
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if ( m_aHiddenControlModels.getLength() )
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{
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if ( lcl_fillDataFlavorEx( OControlExchange::getHiddenControlModelsFormatId(), aFlavor ) )
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m_aCurrentFormats.push_back( aFlavor );
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}
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if ( m_xFormsRoot.is() && m_aControlPaths.getLength() )
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{
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if ( lcl_fillDataFlavorEx( OControlExchange::getControlPathFormatId(), aFlavor ) )
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m_aCurrentFormats.push_back( aFlavor );
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}
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if ( !m_aSelectedEntries.empty() )
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{
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if ( lcl_fillDataFlavorEx( OControlExchange::getFieldExchangeFormatId(), aFlavor ) )
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m_aCurrentFormats.push_back( aFlavor );
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}
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}
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//--------------------------------------------------------------------
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size_t OControlTransferData::onEntryRemoved( SvLBoxEntry* _pEntry )
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{
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m_aSelectedEntries.erase( _pEntry );
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return m_aSelectedEntries.size();
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}
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//--------------------------------------------------------------------
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void OControlTransferData::addSelectedEntry( SvLBoxEntry* _pEntry )
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{
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m_aSelectedEntries.insert( _pEntry );
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}
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//--------------------------------------------------------------------
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void OControlTransferData::setFocusEntry( SvLBoxEntry* _pFocusEntry )
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{
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m_pFocusEntry = _pFocusEntry;
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}
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//------------------------------------------------------------------------
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void OControlTransferData::addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > seqInterfaces)
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{
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m_aHiddenControlModels = seqInterfaces;
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}
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//------------------------------------------------------------------------
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void OControlTransferData::buildPathFormat(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot)
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{
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m_aControlPaths.realloc(0);
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sal_Int32 nEntryCount = m_aSelectedEntries.size();
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if (nEntryCount == 0)
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return;
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m_aControlPaths.realloc(nEntryCount);
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::com::sun::star::uno::Sequence<sal_uInt32>* pAllPaths = m_aControlPaths.getArray();
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for ( ListBoxEntrySet::const_iterator loop = m_aSelectedEntries.begin();
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loop != m_aSelectedEntries.end();
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++loop, ++pAllPaths
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)
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{
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// erst mal sammeln wir den Pfad in einem Array ein
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::std::vector< sal_uInt32 > aCurrentPath;
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SvLBoxEntry* pCurrentEntry = *loop;
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SvLBoxEntry* pLoop = pCurrentEntry;
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while (pLoop != pRoot)
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{
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aCurrentPath.push_back(pLoop->GetChildListPos());
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pLoop = pTreeBox->GetParent(pLoop);
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DBG_ASSERT((pLoop != NULL) || (pRoot == 0), "OControlTransferData::buildPathFormat: invalid root or entry !");
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// pLoop == NULL heisst, dass ich am oberen Ende angelangt bin, dann sollte das Ganze abbrechen, was nur bei pRoot == NULL der Fall sein wird
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}
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// dann koennen wir ihn in die ::com::sun::star::uno::Sequence uebertragen
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Sequence<sal_uInt32>& rCurrentPath = *pAllPaths;
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sal_Int32 nDepth = aCurrentPath.size();
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rCurrentPath.realloc(nDepth);
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sal_uInt32* pSeq = rCurrentPath.getArray();
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sal_Int32 j,k;
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for (j = nDepth - 1, k = 0; k<nDepth; --j, ++k)
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pSeq[j] = aCurrentPath[k];
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}
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}
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//------------------------------------------------------------------------
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void OControlTransferData::buildListFromPath(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot)
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{
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ListBoxEntrySet aEmpty;
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m_aSelectedEntries.swap( aEmpty );
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sal_Int32 nControls = m_aControlPaths.getLength();
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const ::com::sun::star::uno::Sequence<sal_uInt32>* pPaths = m_aControlPaths.getConstArray();
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for (sal_Int32 i=0; i<nControls; ++i)
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{
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sal_Int32 nThisPatLength = pPaths[i].getLength();
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const sal_uInt32* pThisPath = pPaths[i].getConstArray();
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SvLBoxEntry* pSearch = pRoot;
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for (sal_Int32 j=0; j<nThisPatLength; ++j)
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pSearch = pTreeBox->GetEntry(pSearch, pThisPath[j]);
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m_aSelectedEntries.insert( pSearch );
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}
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}
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//====================================================================
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//= OControlExchange
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//====================================================================
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//--------------------------------------------------------------------
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OControlExchange::OControlExchange( )
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{
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}
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//--------------------------------------------------------------------
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sal_Bool OControlExchange::GetData( const DataFlavor& _rFlavor )
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{
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const sal_uInt32 nFormatId = SotExchange::GetFormat( _rFlavor );
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if ( getControlPathFormatId( ) == nFormatId )
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{
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// ugly. We have to pack all the info into one object
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Sequence< Any > aCompleteInfo( 2 );
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OSL_ENSURE( m_xFormsRoot.is(), "OLocalExchange::GetData: invalid forms root for this format!" );
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aCompleteInfo.getArray()[ 0 ] <<= m_xFormsRoot;
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aCompleteInfo.getArray()[ 1 ] <<= m_aControlPaths;
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SetAny( makeAny( aCompleteInfo ), _rFlavor );
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}
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else if ( getHiddenControlModelsFormatId() == nFormatId )
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{
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// just need to transfer the models
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SetAny( makeAny( m_aHiddenControlModels ), _rFlavor );
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}
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else
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return OLocalExchange::GetData( _rFlavor );
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return sal_True;
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}
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//--------------------------------------------------------------------
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void OControlExchange::AddSupportedFormats()
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{
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if (m_pFocusEntry && !m_aSelectedEntries.empty())
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AddFormat(getFieldExchangeFormatId());
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if (m_aControlPaths.getLength())
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AddFormat(getControlPathFormatId());
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if (m_aHiddenControlModels.getLength())
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AddFormat(getHiddenControlModelsFormatId());
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}
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//--------------------------------------------------------------------
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sal_uInt32 OControlExchange::getControlPathFormatId()
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{
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static sal_uInt32 s_nFormat = (sal_uInt32)-1;
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if ((sal_uInt32)-1 == s_nFormat)
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{
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s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.ControlPathExchange\""));
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DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getControlPathFormatId: bad exchange id!");
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}
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return s_nFormat;
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}
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//--------------------------------------------------------------------
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sal_uInt32 OControlExchange::getHiddenControlModelsFormatId()
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{
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static sal_uInt32 s_nFormat = (sal_uInt32)-1;
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if ((sal_uInt32)-1 == s_nFormat)
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{
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s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.HiddenControlModelsExchange\""));
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DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getHiddenControlModelsFormatId: bad exchange id!");
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}
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return s_nFormat;
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}
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//--------------------------------------------------------------------
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sal_uInt32 OControlExchange::getFieldExchangeFormatId()
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{
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static sal_uInt32 s_nFormat = (sal_uInt32)-1;
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if ((sal_uInt32)-1 == s_nFormat)
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{
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s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.FieldNameExchange\""));
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DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getFieldExchangeFormatId: bad exchange id!");
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}
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return s_nFormat;
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}
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//====================================================================
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//= OControlExchangeHelper
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//====================================================================
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OLocalExchange* OControlExchangeHelper::createExchange() const
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{
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return new OControlExchange;
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}
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//====================================================================
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//= OLocalExchangeHelper
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//====================================================================
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//--------------------------------------------------------------------
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OLocalExchangeHelper::OLocalExchangeHelper(Window* _pDragSource)
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:m_pDragSource(_pDragSource)
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,m_pTransferable(NULL)
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{
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}
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//--------------------------------------------------------------------
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OLocalExchangeHelper::~OLocalExchangeHelper()
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{
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implReset();
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}
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//--------------------------------------------------------------------
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void OLocalExchangeHelper::startDrag( sal_Int8 nDragSourceActions )
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{
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DBG_ASSERT(m_pTransferable, "OLocalExchangeHelper::startDrag: not prepared!");
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m_pTransferable->startDrag( m_pDragSource, nDragSourceActions, OLocalExchange::GrantAccess() );
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}
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//--------------------------------------------------------------------
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void OLocalExchangeHelper::copyToClipboard( ) const
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{
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DBG_ASSERT( m_pTransferable, "OLocalExchangeHelper::copyToClipboard: not prepared!" );
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m_pTransferable->copyToClipboard( m_pDragSource, OLocalExchange::GrantAccess() );
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}
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//--------------------------------------------------------------------
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void OLocalExchangeHelper::implReset()
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{
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if (m_pTransferable)
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{
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m_pTransferable->setClipboardListener( Link() );
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m_pTransferable->release();
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m_pTransferable = NULL;
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}
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}
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//--------------------------------------------------------------------
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void OLocalExchangeHelper::prepareDrag( )
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{
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DBG_ASSERT(!m_pTransferable || !m_pTransferable->isDragging(), "OLocalExchangeHelper::prepareDrag: recursive DnD?");
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implReset();
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m_pTransferable = createExchange();
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m_pTransferable->acquire();
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}
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//........................................................................
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}
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//........................................................................
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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