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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "sal/config.h"
#include <comphelper/processfactory.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <unotools/localfilehelper.hxx>
#include <ucbhelper/content.hxx>
#include <unotools/datetime.hxx>
#include <svx/svdotext.hxx>
#include "svx/svditext.hxx"
#include <svx/svdmodel.hxx>
#include <editeng/editdata.hxx>
#include <sfx2/lnkbase.hxx>
#include <sfx2/linkmgr.hxx>
#include <tools/urlobj.hxx>
#include <svl/urihelper.hxx>
#include <tools/tenccvt.hxx>
class ImpSdrObjTextLink: public ::sfx2::SvBaseLink
{
SdrTextObj* pSdrObj;
public:
ImpSdrObjTextLink( SdrTextObj* pObj1 )
: ::sfx2::SvBaseLink( ::sfx2::LINKUPDATE_ONCALL, FORMAT_FILE ),
pSdrObj( pObj1 )
{}
virtual ~ImpSdrObjTextLink();
virtual void Closed();
virtual ::sfx2::SvBaseLink::UpdateResult DataChanged(
const String& rMimeType, const ::com::sun::star::uno::Any & rValue );
sal_Bool Connect() { return 0 != SvBaseLink::GetRealObject(); }
};
ImpSdrObjTextLink::~ImpSdrObjTextLink()
{
}
void ImpSdrObjTextLink::Closed()
{
if (pSdrObj )
{
// set pLink of the object to NULL, because we are destroying the link instance now
ImpSdrObjTextLinkUserData* pData=pSdrObj->GetLinkUserData();
if (pData!=NULL) pData->pLink=NULL;
pSdrObj->ReleaseTextLink();
}
SvBaseLink::Closed();
}
::sfx2::SvBaseLink::UpdateResult ImpSdrObjTextLink::DataChanged(
const String& /*rMimeType*/, const ::com::sun::star::uno::Any & /*rValue */)
{
bool bForceReload = false;
SdrModel* pModel = pSdrObj ? pSdrObj->GetModel() : 0;
sfx2::LinkManager* pLinkManager= pModel ? pModel->GetLinkManager() : 0;
if( pLinkManager )
{
ImpSdrObjTextLinkUserData* pData=pSdrObj->GetLinkUserData();
if( pData )
{
String aFile;
String aFilter;
pLinkManager->GetDisplayNames( this, 0,&aFile, 0, &aFilter );
if( !pData->aFileName.Equals( aFile ) ||
!pData->aFilterName.Equals( aFilter ))
{
pData->aFileName = aFile;
pData->aFilterName = aFilter;
pSdrObj->SetChanged();
bForceReload = true;
}
}
}
if (pSdrObj )
pSdrObj->ReloadLinkedText( bForceReload );
return SUCCESS;
}
TYPEINIT1(ImpSdrObjTextLinkUserData,SdrObjUserData);
ImpSdrObjTextLinkUserData::ImpSdrObjTextLinkUserData(SdrTextObj* pObj1):
SdrObjUserData(SdrInventor,SDRUSERDATA_OBJTEXTLINK,0),
pObj(pObj1),
aFileDate0( DateTime::EMPTY ),
pLink(NULL),
eCharSet(RTL_TEXTENCODING_DONTKNOW)
{
}
ImpSdrObjTextLinkUserData::~ImpSdrObjTextLinkUserData()
{
delete pLink;
}
SdrObjUserData* ImpSdrObjTextLinkUserData::Clone(SdrObject* pObj1) const
{
ImpSdrObjTextLinkUserData* pData=new ImpSdrObjTextLinkUserData((SdrTextObj*)pObj1);
pData->aFileName =aFileName;
pData->aFilterName=aFilterName;
pData->aFileDate0 =aFileDate0;
pData->eCharSet =eCharSet;
pData->pLink=NULL;
return pData;
}
void SdrTextObj::SetTextLink(const String& rFileName, const String& rFilterName, rtl_TextEncoding eCharSet)
{
if(eCharSet == RTL_TEXTENCODING_DONTKNOW)
eCharSet = osl_getThreadTextEncoding();
ImpSdrObjTextLinkUserData* pData=GetLinkUserData();
if (pData!=NULL) {
ReleaseTextLink();
}
pData=new ImpSdrObjTextLinkUserData(this);
pData->aFileName=rFileName;
pData->aFilterName=rFilterName;
pData->eCharSet=eCharSet;
AppendUserData(pData);
ImpLinkAnmeldung();
}
void SdrTextObj::ReleaseTextLink()
{
ImpLinkAbmeldung();
sal_uInt16 nAnz=GetUserDataCount();
for (sal_uInt16 nNum=nAnz; nNum>0;) {
nNum--;
SdrObjUserData* pData=GetUserData(nNum);
if (pData->GetInventor()==SdrInventor && pData->GetId()==SDRUSERDATA_OBJTEXTLINK) {
DeleteUserData(nNum);
}
}
}
bool SdrTextObj::ReloadLinkedText( bool bForceLoad)
{
ImpSdrObjTextLinkUserData* pData = GetLinkUserData();
bool bRet = true;
if( pData )
{
DateTime aFileDT( DateTime::EMPTY );
sal_Bool bExists = sal_True, bLoad = sal_False;
try
{
INetURLObject aURL( pData->aFileName );
DBG_ASSERT( aURL.GetProtocol() != INET_PROT_NOT_VALID, "invalid URL" );
::ucbhelper::Content aCnt( aURL.GetMainURL( INetURLObject::NO_DECODE ), ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext() );
::com::sun::star::uno::Any aAny( aCnt.getPropertyValue( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "DateModified" ) ) ) );
::com::sun::star::util::DateTime aDateTime;
aAny >>= aDateTime;
::utl::typeConvert( aDateTime, aFileDT );
}
catch( ... )
{
bExists = sal_False;
}
if( bExists )
{
if( bForceLoad )
bLoad = sal_True;
else
bLoad = ( aFileDT > pData->aFileDate0 );
if( bLoad )
{
bRet = LoadText( pData->aFileName, pData->aFilterName, pData->eCharSet );
}
pData->aFileDate0 = aFileDT;
}
}
return bRet;
}
bool SdrTextObj::LoadText(const String& rFileName, const String& /*rFilterName*/, rtl_TextEncoding eCharSet)
{
INetURLObject aFileURL( rFileName );
sal_Bool bRet = sal_False;
if( aFileURL.GetProtocol() == INET_PROT_NOT_VALID )
{
rtl::OUString aFileURLStr;
if( ::utl::LocalFileHelper::ConvertPhysicalNameToURL( rFileName, aFileURLStr ) )
aFileURL = INetURLObject( aFileURLStr );
else
aFileURL.SetSmartURL( rFileName );
}
DBG_ASSERT( aFileURL.GetProtocol() != INET_PROT_NOT_VALID, "invalid URL" );
SvStream* pIStm = ::utl::UcbStreamHelper::CreateStream( aFileURL.GetMainURL( INetURLObject::NO_DECODE ), STREAM_READ );
if( pIStm )
{
pIStm->SetStreamCharSet(GetSOLoadTextEncoding(eCharSet));
char cRTF[5];
cRTF[4] = 0;
pIStm->Read(cRTF, 5);
sal_Bool bRTF = cRTF[0] == '{' && cRTF[1] == '\\' && cRTF[2] == 'r' && cRTF[3] == 't' && cRTF[4] == 'f';
pIStm->Seek(0);
if( !pIStm->GetError() )
{
SetText( *pIStm, aFileURL.GetMainURL( INetURLObject::NO_DECODE ), sal::static_int_cast< sal_uInt16 >( bRTF ? EE_FORMAT_RTF : EE_FORMAT_TEXT ) );
bRet = sal_True;
}
delete pIStm;
}
return bRet;
}
ImpSdrObjTextLinkUserData* SdrTextObj::GetLinkUserData() const
{
ImpSdrObjTextLinkUserData* pData=NULL;
sal_uInt16 nAnz=GetUserDataCount();
for (sal_uInt16 nNum=nAnz; nNum>0 && pData==NULL;) {
nNum--;
pData=(ImpSdrObjTextLinkUserData*)GetUserData(nNum);
if (pData->GetInventor()!=SdrInventor || pData->GetId()!=SDRUSERDATA_OBJTEXTLINK) {
pData=NULL;
}
}
return pData;
}
void SdrTextObj::ImpLinkAnmeldung()
{
ImpSdrObjTextLinkUserData* pData=GetLinkUserData();
sfx2::LinkManager* pLinkManager=pModel!=NULL ? pModel->GetLinkManager() : NULL;
if (pLinkManager!=NULL && pData!=NULL && pData->pLink==NULL) { // don't register twice
pData->pLink=new ImpSdrObjTextLink(this);
#ifdef GCC
pLinkManager->InsertFileLink(*pData->pLink,OBJECT_CLIENT_FILE,pData->aFileName,
pData->aFilterName.Len() ?
&pData->aFilterName : (const String *)NULL,
(const String *)NULL);
#else
pLinkManager->InsertFileLink(*pData->pLink,OBJECT_CLIENT_FILE,pData->aFileName,
pData->aFilterName.Len() ? &pData->aFilterName : NULL,NULL);
#endif
pData->pLink->Connect();
}
}
void SdrTextObj::ImpLinkAbmeldung()
{
ImpSdrObjTextLinkUserData* pData=GetLinkUserData();
sfx2::LinkManager* pLinkManager=pModel!=NULL ? pModel->GetLinkManager() : NULL;
if (pLinkManager!=NULL && pData!=NULL && pData->pLink!=NULL) { // don't register twice
// when doing Remove, *pLink is deleted implicitly
pLinkManager->Remove( pData->pLink );
pData->pLink=NULL;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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