diff options
Diffstat (limited to 'svx/source/form/fmexch.cxx')
| -rw-r--r-- | svx/source/form/fmexch.cxx | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/svx/source/form/fmexch.cxx b/svx/source/form/fmexch.cxx new file mode 100644 index 000000000000..c50dcb398928 --- /dev/null +++ b/svx/source/form/fmexch.cxx @@ -0,0 +1,443 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_svx.hxx" +#include "fmexch.hxx" + +#include <sot/storage.hxx> +#include <svl/itempool.hxx> + +#ifndef _SVX_DBEXCH_HRC +#include <dbexch.hrc> +#endif +#include <sot/formats.hxx> +#include <svtools/svtreebx.hxx> +#include <tools/diagnose_ex.h> + +#define _SVSTDARR_ULONGS +#include <svl/svstdarr.hxx> + +//........................................................................ +namespace svxform +{ +//........................................................................ + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::datatransfer; + + //==================================================================== + //= OLocalExchange + //==================================================================== + //-------------------------------------------------------------------- + OLocalExchange::OLocalExchange( ) + :m_bDragging( sal_False ) + ,m_bClipboardOwner( sal_False ) + { + } + + //-------------------------------------------------------------------- + void OLocalExchange::copyToClipboard( Window* _pWindow, const GrantAccess& ) + { + if ( m_bClipboardOwner ) + { // simulate a lostOwnership to notify parties interested in + if ( m_aClipboardListener.IsSet() ) + m_aClipboardListener.Call( this ); + } + + m_bClipboardOwner = sal_True; + CopyToClipboard( _pWindow ); + } + + //-------------------------------------------------------------------- + void OLocalExchange::clear() + { + if ( isClipboardOwner() ) + { + try + { + Reference< clipboard::XClipboard > xClipBoard( getOwnClipboard() ); + if ( xClipBoard.is() ) + xClipBoard->setContents( NULL, NULL ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION(); + } + m_bClipboardOwner = sal_False; + } + } + + //-------------------------------------------------------------------- + void SAL_CALL OLocalExchange::lostOwnership( const Reference< clipboard::XClipboard >& _rxClipboard, const Reference< XTransferable >& _rxTrans ) throw(RuntimeException) + { + TransferableHelper::implCallOwnLostOwnership( _rxClipboard, _rxTrans ); + m_bClipboardOwner = sal_False; + + if ( m_aClipboardListener.IsSet() ) + m_aClipboardListener.Call( this ); + } + + //-------------------------------------------------------------------- + void OLocalExchange::startDrag( Window* _pWindow, sal_Int8 _nDragSourceActions, const GrantAccess& ) + { + m_bDragging = sal_True; + StartDrag( _pWindow, _nDragSourceActions ); + } + + //-------------------------------------------------------------------- + void OLocalExchange::DragFinished( sal_Int8 nDropAction ) + { + TransferableHelper::DragFinished( nDropAction ); + m_bDragging = sal_False; + } + + //-------------------------------------------------------------------- + sal_Bool OLocalExchange::hasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId ) + { + DataFlavorExVector::const_iterator aSearch; + + for ( aSearch = _rFormats.begin(); aSearch != _rFormats.end(); ++aSearch ) + if ( aSearch->mnSotId == _nFormatId ) + break; + + return aSearch != _rFormats.end(); + } + + //-------------------------------------------------------------------- + sal_Bool OLocalExchange::GetData( const ::com::sun::star::datatransfer::DataFlavor& /*_rFlavor*/ ) + { + return sal_False; // do not have any formats by default + } + + //==================================================================== + //= OControlTransferData + //==================================================================== + //-------------------------------------------------------------------- + OControlTransferData::OControlTransferData( ) + :m_pFocusEntry( NULL ) + { + } + + //-------------------------------------------------------------------- + OControlTransferData::OControlTransferData( const Reference< XTransferable >& _rxTransferable ) + :m_pFocusEntry( NULL ) + { + TransferableDataHelper aExchangedData( _rxTransferable ); + + // try the formats we know + if ( OControlExchange::hasControlPathFormat( aExchangedData.GetDataFlavorExVector() ) ) + { // paths to the controls, relative to a root + Sequence< Any > aControlPathData; + if ( aExchangedData.GetAny( OControlExchange::getControlPathFormatId() ) >>= aControlPathData ) + { + DBG_ASSERT( aControlPathData.getLength() >= 2, "OControlTransferData::OControlTransferData: invalid data for the control path format!" ); + if ( aControlPathData.getLength() >= 2 ) + { + aControlPathData[0] >>= m_xFormsRoot; + aControlPathData[1] >>= m_aControlPaths; + } + } + else + { + DBG_ERROR( "OControlTransferData::OControlTransferData: invalid data for the control path format (2)!" ); + } + } + if ( OControlExchange::hasHiddenControlModelsFormat( aExchangedData.GetDataFlavorExVector() ) ) + { // sequence of models of hidden controls + aExchangedData.GetAny( OControlExchange::getHiddenControlModelsFormatId() ) >>= m_aHiddenControlModels; + } + + updateFormats( ); + } + + //-------------------------------------------------------------------- + static sal_Bool lcl_fillDataFlavorEx( SotFormatStringId nId, DataFlavorEx& _rFlavor ) + { + _rFlavor.mnSotId = nId; + return SotExchange::GetFormatDataFlavor( _rFlavor.mnSotId, _rFlavor ); + } + + //-------------------------------------------------------------------- + void OControlTransferData::updateFormats( ) + { + m_aCurrentFormats.clear(); + m_aCurrentFormats.reserve( 3 ); + + DataFlavorEx aFlavor; + + if ( m_aHiddenControlModels.getLength() ) + { + if ( lcl_fillDataFlavorEx( OControlExchange::getHiddenControlModelsFormatId(), aFlavor ) ) + m_aCurrentFormats.push_back( aFlavor ); + } + + if ( m_xFormsRoot.is() && m_aControlPaths.getLength() ) + { + if ( lcl_fillDataFlavorEx( OControlExchange::getControlPathFormatId(), aFlavor ) ) + m_aCurrentFormats.push_back( aFlavor ); + } + + if ( !m_aSelectedEntries.empty() ) + { + if ( lcl_fillDataFlavorEx( OControlExchange::getFieldExchangeFormatId(), aFlavor ) ) + m_aCurrentFormats.push_back( aFlavor ); + } + } + + //-------------------------------------------------------------------- + size_t OControlTransferData::onEntryRemoved( SvLBoxEntry* _pEntry ) + { + m_aSelectedEntries.erase( _pEntry ); + return m_aSelectedEntries.size(); + } + + //-------------------------------------------------------------------- + void OControlTransferData::addSelectedEntry( SvLBoxEntry* _pEntry ) + { + m_aSelectedEntries.insert( _pEntry ); + } + + //-------------------------------------------------------------------- + void OControlTransferData::setFocusEntry( SvLBoxEntry* _pFocusEntry ) + { + m_pFocusEntry = _pFocusEntry; + } + + //------------------------------------------------------------------------ + void OControlTransferData::addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > seqInterfaces) + { + m_aHiddenControlModels = seqInterfaces; + } + + //------------------------------------------------------------------------ + void OControlTransferData::buildPathFormat(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot) + { + m_aControlPaths.realloc(0); + + sal_Int32 nEntryCount = m_aSelectedEntries.size(); + if (nEntryCount == 0) + return; + + m_aControlPaths.realloc(nEntryCount); + ::com::sun::star::uno::Sequence<sal_uInt32>* pAllPaths = m_aControlPaths.getArray(); + for ( ListBoxEntrySet::const_iterator loop = m_aSelectedEntries.begin(); + loop != m_aSelectedEntries.end(); + ++loop, ++pAllPaths + ) + { + // erst mal sammeln wir den Pfad in einem Array ein + ::std::vector< sal_uInt32 > aCurrentPath; + SvLBoxEntry* pCurrentEntry = *loop; + + SvLBoxEntry* pLoop = pCurrentEntry; + while (pLoop != pRoot) + { + aCurrentPath.push_back(pLoop->GetChildListPos()); + pLoop = pTreeBox->GetParent(pLoop); + DBG_ASSERT((pLoop != NULL) || (pRoot == 0), "OControlTransferData::buildPathFormat: invalid root or entry !"); + // pLoop == NULL heisst, dass ich am oberen Ende angelangt bin, dann sollte das Ganze abbrechen, was nur bei pRoot == NULL der Fall sein wird + } + + // dann koennen wir ihn in die ::com::sun::star::uno::Sequence uebertragen + Sequence<sal_uInt32>& rCurrentPath = *pAllPaths; + sal_Int32 nDepth = aCurrentPath.size(); + + rCurrentPath.realloc(nDepth); + sal_uInt32* pSeq = rCurrentPath.getArray(); + sal_Int32 j,k; + for (j = nDepth - 1, k = 0; k<nDepth; --j, ++k) + pSeq[j] = aCurrentPath[k]; + } + } + + //------------------------------------------------------------------------ + void OControlTransferData::buildListFromPath(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot) + { + ListBoxEntrySet aEmpty; + m_aSelectedEntries.swap( aEmpty ); + + sal_Int32 nControls = m_aControlPaths.getLength(); + const ::com::sun::star::uno::Sequence<sal_uInt32>* pPaths = m_aControlPaths.getConstArray(); + for (sal_Int32 i=0; i<nControls; ++i) + { + sal_Int32 nThisPatLength = pPaths[i].getLength(); + const sal_uInt32* pThisPath = pPaths[i].getConstArray(); + SvLBoxEntry* pSearch = pRoot; + for (sal_Int32 j=0; j<nThisPatLength; ++j) + pSearch = pTreeBox->GetEntry(pSearch, pThisPath[j]); + + m_aSelectedEntries.insert( pSearch ); + } + } + + //==================================================================== + //= OControlExchange + //==================================================================== + //-------------------------------------------------------------------- + OControlExchange::OControlExchange( ) + { + } + + //-------------------------------------------------------------------- + sal_Bool OControlExchange::GetData( const DataFlavor& _rFlavor ) + { + const sal_uInt32 nFormatId = SotExchange::GetFormat( _rFlavor ); + + if ( getControlPathFormatId( ) == nFormatId ) + { + // ugly. We have to pack all the info into one object + Sequence< Any > aCompleteInfo( 2 ); + OSL_ENSURE( m_xFormsRoot.is(), "OLocalExchange::GetData: invalid forms root for this format!" ); + aCompleteInfo.getArray()[ 0 ] <<= m_xFormsRoot; + aCompleteInfo.getArray()[ 1 ] <<= m_aControlPaths; + + SetAny( makeAny( aCompleteInfo ), _rFlavor ); + } + else if ( getHiddenControlModelsFormatId() == nFormatId ) + { + // just need to transfer the models + SetAny( makeAny( m_aHiddenControlModels ), _rFlavor ); + } + else + return OLocalExchange::GetData( _rFlavor ); + + return sal_True; + } + + //-------------------------------------------------------------------- + void OControlExchange::AddSupportedFormats() + { + if (m_pFocusEntry && !m_aSelectedEntries.empty()) + AddFormat(getFieldExchangeFormatId()); + + if (m_aControlPaths.getLength()) + AddFormat(getControlPathFormatId()); + + if (m_aHiddenControlModels.getLength()) + AddFormat(getHiddenControlModelsFormatId()); + } + + //-------------------------------------------------------------------- + sal_uInt32 OControlExchange::getControlPathFormatId() + { + static sal_uInt32 s_nFormat = (sal_uInt32)-1; + if ((sal_uInt32)-1 == s_nFormat) + { + s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.ControlPathExchange\"")); + DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getControlPathFormatId: bad exchange id!"); + } + return s_nFormat; + } + + //-------------------------------------------------------------------- + sal_uInt32 OControlExchange::getHiddenControlModelsFormatId() + { + static sal_uInt32 s_nFormat = (sal_uInt32)-1; + if ((sal_uInt32)-1 == s_nFormat) + { + s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.HiddenControlModelsExchange\"")); + DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getHiddenControlModelsFormatId: bad exchange id!"); + } + return s_nFormat; + } + + //-------------------------------------------------------------------- + sal_uInt32 OControlExchange::getFieldExchangeFormatId() + { + static sal_uInt32 s_nFormat = (sal_uInt32)-1; + if ((sal_uInt32)-1 == s_nFormat) + { + s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.FieldNameExchange\"")); + DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getFieldExchangeFormatId: bad exchange id!"); + } + return s_nFormat; + } + + //==================================================================== + //= OControlExchangeHelper + //==================================================================== + OLocalExchange* OControlExchangeHelper::createExchange() const + { + return new OControlExchange; + } + + //==================================================================== + //= OLocalExchangeHelper + //==================================================================== + //-------------------------------------------------------------------- + OLocalExchangeHelper::OLocalExchangeHelper(Window* _pDragSource) + :m_pDragSource(_pDragSource) + ,m_pTransferable(NULL) + { + } + + //-------------------------------------------------------------------- + OLocalExchangeHelper::~OLocalExchangeHelper() + { + implReset(); + } + + //-------------------------------------------------------------------- + void OLocalExchangeHelper::startDrag( sal_Int8 nDragSourceActions ) + { + DBG_ASSERT(m_pTransferable, "OLocalExchangeHelper::startDrag: not prepared!"); + m_pTransferable->startDrag( m_pDragSource, nDragSourceActions, OLocalExchange::GrantAccess() ); + } + + //-------------------------------------------------------------------- + void OLocalExchangeHelper::copyToClipboard( ) const + { + DBG_ASSERT( m_pTransferable, "OLocalExchangeHelper::copyToClipboard: not prepared!" ); + m_pTransferable->copyToClipboard( m_pDragSource, OLocalExchange::GrantAccess() ); + } + + //-------------------------------------------------------------------- + void OLocalExchangeHelper::implReset() + { + if (m_pTransferable) + { + m_pTransferable->setClipboardListener( Link() ); + m_pTransferable->release(); + m_pTransferable = NULL; + } + } + + //-------------------------------------------------------------------- + void OLocalExchangeHelper::prepareDrag( ) + { + DBG_ASSERT(!m_pTransferable || !m_pTransferable->isDragging(), "OLocalExchangeHelper::prepareDrag: recursive DnD?"); + + implReset(); + m_pTransferable = createExchange(); + m_pTransferable->acquire(); + } + +//........................................................................ +} +//........................................................................ + |