Files
libreoffice/svx/source/form/fmexch.cxx
2001-08-14 14:02:22 +00:00

335 lines
12 KiB
C++

/*************************************************************************
*
* $RCSfile: fmexch.cxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: hr $ $Date: 2001-08-14 15:02:22 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _SVX_FMEXCH_HXX
#include "fmexch.hxx"
#endif
#ifndef _SVSTOR_HXX //autogen
#include <so3/svstor.hxx>
#endif
#ifndef _SFXITEMPOOL_HXX //autogen
#include <svtools/itempool.hxx>
#endif
#ifndef _SVX_DBEXCH_HRC
#include <dbexch.hrc>
#endif
#ifndef _SOT_FORMATS_HXX
#include <sot/formats.hxx>
#endif
#ifndef _SVTREEBOX_HXX //autogen
#include <svtools/svtreebx.hxx>
#endif
#define _SVSTDARR_ULONGS
#include <svtools/svstdarr.hxx>
static sal_uInt32 nFieldFormat = 0;
static sal_uInt32 nControlFormat = 0;
//........................................................................
namespace svxform
{
//........................................................................
//====================================================================
//= OLocalExchange
//====================================================================
//--------------------------------------------------------------------
OLocalExchange::OLocalExchange( )
:m_bDragging(sal_False)
{
}
//--------------------------------------------------------------------
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::GetData( const ::com::sun::star::datatransfer::DataFlavor& _rFlavor )
{
return sal_True; // dummy
}
//--------------------------------------------------------------------
sal_Bool OLocalExchange::implHasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId )
{
for (DataFlavorExVector::const_iterator aSearch = _rFormats.begin();
aSearch != _rFormats.end();
++aSearch)
if (aSearch->mnSotId == _nFormatId)
return sal_True;
return sal_False;
}
//====================================================================
//= OControlExchange
//====================================================================
//--------------------------------------------------------------------
OControlExchange::OControlExchange( )
:m_pFocusEntry(NULL)
,m_pShell(NULL)
,m_pPage(NULL)
{
}
//--------------------------------------------------------------------
OControlExchange::OControlExchange( SvLBoxEntry* _pFocusEntry )
:m_pFocusEntry(_pFocusEntry)
,m_pShell(NULL)
,m_pPage(NULL)
{
}
//--------------------------------------------------------------------
void OControlExchange::AddSupportedFormats()
{
if (m_pFocusEntry && m_aSelectedEntries.size())
AddFormat(getFieldExchangeFormatId());
if (m_aControlPaths.getLength())
AddFormat(getControlPathFormatId());
if (m_aHiddenControlModels.getLength())
AddFormat(getHiddenControlModelsFormatId());
}
//--------------------------------------------------------------------
void OControlExchange::addSelectedEntry( SvLBoxEntry* _pEntry )
{
m_aSelectedEntries.push_back(_pEntry);
}
//--------------------------------------------------------------------
void OControlExchange::setFocusEntry( SvLBoxEntry* _pFocusEntry )
{
m_pFocusEntry = _pFocusEntry;
}
//------------------------------------------------------------------------
void OControlExchange::addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > seqInterfaces)
{
m_aHiddenControlModels = seqInterfaces;
}
//------------------------------------------------------------------------
void OControlExchange::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 (sal_Int32 i=0; i<nEntryCount; ++i)
{
// erst mal sammeln wir den Pfad in einem Array ein
::std::vector< sal_uInt32 > aCurrentPath;
SvLBoxEntry* pCurrentEntry = m_aSelectedEntries[i];
SvLBoxEntry* pLoop = pCurrentEntry;
while (pLoop != pRoot)
{
aCurrentPath.push_back(pLoop->GetChildListPos());
pLoop = pTreeBox->GetParent(pLoop);
DBG_ASSERT((pLoop != NULL) || (pRoot == 0), "OControlExchange::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
::com::sun::star::uno::Sequence<sal_uInt32>& rCurrentPath = pAllPaths[i];
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 OControlExchange::buildListFromPath(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot)
{
m_aSelectedEntries.clear();
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.push_back(pSearch);
}
}
//--------------------------------------------------------------------
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, OControlExchange::GrantAccess() );
}
//--------------------------------------------------------------------
void OLocalExchangeHelper::implReset()
{
if (m_pTransferable)
{
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();
}
//........................................................................
}
//........................................................................