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348 | /* -*- 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 .
*/
#if defined(_WIN32)
#include <prewin.h>
#include <postwin.h>
#endif
#include "impldde.hxx"
#include <vcl/weld.hxx>
#include <sot/exchange.hxx>
#include <rtl/ustring.hxx>
#include <sfx2/lnkbase.hxx>
#include <sfx2/linkmgr.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <svl/svdde.hxx>
#include <sot/formats.hxx>
using namespace ::com::sun::star::uno;
namespace sfx2
{
namespace {
class SvDDELinkEditDialog : public weld::GenericDialogController
{
std::unique_ptr<weld::Entry> m_xEdDdeApp;
std::unique_ptr<weld::Entry> m_xEdDdeTopic;
std::unique_ptr<weld::Entry> m_xEdDdeItem;
std::unique_ptr<weld::Button> m_xOKButton;
DECL_LINK(EditHdl_Impl, weld::Entry&, void);
public:
SvDDELinkEditDialog(weld::Window* pParent, SvBaseLink const*);
OUString GetCmd() const;
};
}
SvDDELinkEditDialog::SvDDELinkEditDialog(weld::Window* pParent, SvBaseLink const * pLink)
: GenericDialogController(pParent, "sfx/ui/linkeditdialog.ui", "LinkEditDialog")
, m_xEdDdeApp(m_xBuilder->weld_entry("app"))
, m_xEdDdeTopic(m_xBuilder->weld_entry("file"))
, m_xEdDdeItem(m_xBuilder->weld_entry("category"))
, m_xOKButton(m_xBuilder->weld_button("ok"))
{
OUString sServer, sTopic, sItem;
sfx2::LinkManager::GetDisplayNames( pLink, &sServer, &sTopic, &sItem );
m_xEdDdeApp->set_text( sServer );
m_xEdDdeTopic->set_text( sTopic );
m_xEdDdeItem->set_text( sItem );
m_xEdDdeApp->connect_changed( LINK( this, SvDDELinkEditDialog, EditHdl_Impl));
m_xEdDdeTopic->connect_changed( LINK( this, SvDDELinkEditDialog, EditHdl_Impl));
m_xEdDdeItem->connect_changed( LINK( this, SvDDELinkEditDialog, EditHdl_Impl));
m_xOKButton->set_sensitive(!sServer.isEmpty() && !sTopic.isEmpty() && !sItem.isEmpty());
}
OUString SvDDELinkEditDialog::GetCmd() const
{
OUString sCmd( m_xEdDdeApp->get_text() ), sRet;
::sfx2::MakeLnkName( sRet, &sCmd, m_xEdDdeTopic->get_text(), m_xEdDdeItem->get_text() );
return sRet;
}
IMPL_LINK_NOARG( SvDDELinkEditDialog, EditHdl_Impl, weld::Entry&, void)<--- syntax error
{
m_xOKButton->set_sensitive(!m_xEdDdeApp->get_text().isEmpty() &&
!m_xEdDdeTopic->get_text().isEmpty() &&
!m_xEdDdeItem->get_text().isEmpty() );
}
SvDDEObject::SvDDEObject()
: pGetData( nullptr )
{
SetUpdateTimeout( 100 );
bWaitForData = false;
}
SvDDEObject::~SvDDEObject()
{
pLink.reset();
pRequest.reset();
pConnection.reset();
}
bool SvDDEObject::GetData( css::uno::Any & rData /*out param*/,
const OUString & rMimeType,
bool bSynchron )
{
if( !pConnection )
return false;
if( pConnection->GetError() ) // then we try once more
{
OUString sServer( pConnection->GetServiceName() );
OUString sTopic( pConnection->GetTopicName() );
pConnection.reset( new DdeConnection( sServer, sTopic ) );
}
if( bWaitForData ) // we are in a recursive loop, get out again
return false;
// Lock against Reentrance
bWaitForData = true;
// if you want to print, we'll wait until the data is available
if( bSynchron )
{
DdeRequest aReq( *pConnection, sItem, 5000 );
aReq.SetDataHdl( LINK( this, SvDDEObject, ImplGetDDEData ) );
aReq.SetFormat( SotExchange::GetFormatIdFromMimeType( rMimeType ));
pGetData = &rData;
do {
aReq.Execute();
} while( aReq.GetError() && ImplHasOtherFormat( aReq ) );
bWaitForData = false;
}
else
{
// otherwise it will be executed asynchronously
{
pRequest.reset( new DdeRequest( *pConnection, sItem ) );
pRequest->SetDataHdl( LINK( this, SvDDEObject, ImplGetDDEData ) );
pRequest->SetDoneHdl( LINK( this, SvDDEObject, ImplDoneDDEData ) );
pRequest->SetFormat( SotExchange::GetFormatIdFromMimeType(
rMimeType ) );
pRequest->Execute();
}
rData <<= OUString();
}
return 0 == pConnection->GetError();
}
bool SvDDEObject::Connect( SvBaseLink * pSvLink )
{
SfxLinkUpdateMode nLinkType = pSvLink->GetUpdateMode();
if( pConnection ) // Connection is already made
{
// well, then just add it as dependent
AddDataAdvise( pSvLink,
SotExchange::GetFormatMimeType( pSvLink->GetContentType()),
SfxLinkUpdateMode::ONCALL == nLinkType
? ADVISEMODE_ONLYONCE
: 0 );
AddConnectAdvise( pSvLink );
return true;
}
if( !pSvLink->GetLinkManager() )
return false;
OUString sServer, sTopic;
sfx2::LinkManager::GetDisplayNames( pSvLink, &sServer, &sTopic, &sItem );
if( sServer.isEmpty() || sTopic.isEmpty() || sItem.isEmpty() )
return false;
pConnection.reset( new DdeConnection( sServer, sTopic ) );
if( pConnection->GetError() )
{
// check if the DDE server knows the "SYSTEM" topic
bool bSysTopic = false;
if (!sTopic.equalsIgnoreAsciiCase("SYSTEM"))
{
DdeConnection aTmp(sServer, "SYSTEM");
bSysTopic = !aTmp.GetError();
}
if( bSysTopic )
{
// if the system topic works then the server is up but just doesn't know the original topic
return false;
}
}
if( SfxLinkUpdateMode::ALWAYS == nLinkType && !pLink && !pConnection->GetError() )
{
// Setting up Hot Link, Data will be available at some point later on
pLink.reset( new DdeHotLink( *pConnection, sItem ) );
pLink->SetDataHdl( LINK( this, SvDDEObject, ImplGetDDEData ) );
pLink->SetDoneHdl( LINK( this, SvDDEObject, ImplDoneDDEData ) );
pLink->SetFormat( pSvLink->GetContentType() );
pLink->Execute();
}
if( pConnection->GetError() )
return false;
AddDataAdvise( pSvLink,
SotExchange::GetFormatMimeType( pSvLink->GetContentType()),
SfxLinkUpdateMode::ONCALL == nLinkType
? ADVISEMODE_ONLYONCE
: 0 );
AddConnectAdvise( pSvLink );
SetUpdateTimeout( 0 );
return true;
}
void SvDDEObject::Edit(weld::Window* pParent, sfx2::SvBaseLink* pBaseLink, const Link<const OUString&, void>& rEndEditHdl)
{
SvDDELinkEditDialog aDlg(pParent, pBaseLink);
if (RET_OK == aDlg.run() && rEndEditHdl.IsSet())
{
OUString sCommand = aDlg.GetCmd();
rEndEditHdl.Call( sCommand );
}
}
bool SvDDEObject::ImplHasOtherFormat( DdeTransaction& rReq )
{
SotClipboardFormatId nFmt = SotClipboardFormatId::NONE;
switch( rReq.GetFormat() )
{
case SotClipboardFormatId::RTF:
nFmt = SotClipboardFormatId::STRING;
break;
case SotClipboardFormatId::HTML_SIMPLE:
case SotClipboardFormatId::HTML:
nFmt = SotClipboardFormatId::RTF;
break;
case SotClipboardFormatId::GDIMETAFILE:
nFmt = SotClipboardFormatId::BITMAP;
break;
case SotClipboardFormatId::SVXB:
nFmt = SotClipboardFormatId::GDIMETAFILE;
break;
// something else?
default: break;
}
if( nFmt != SotClipboardFormatId::NONE )
rReq.SetFormat( nFmt ); // try it once more
return SotClipboardFormatId::NONE != nFmt;
}
bool SvDDEObject::IsPending() const
/*
The method determines whether the data-object can be read from a DDE.
*/
{
return bWaitForData;
}
bool SvDDEObject::IsDataComplete() const
{
return bWaitForData;
}
IMPL_LINK( SvDDEObject, ImplGetDDEData, const DdeData*, pData, void )
{
SotClipboardFormatId nFmt = pData->GetFormat();
switch( nFmt )
{
case SotClipboardFormatId::GDIMETAFILE:
break;
case SotClipboardFormatId::BITMAP:
break;
default:
{
const char* p = static_cast<char const *>(pData->getData());
long nLen = SotClipboardFormatId::STRING == nFmt ? (p ? strlen( p ) : 0) : pData->getSize();
Sequence< sal_Int8 > aSeq( reinterpret_cast<const sal_Int8*>(p), nLen );
if( pGetData )
{
*pGetData <<= aSeq; // Copy Data
pGetData = nullptr; // reset the pointer here
}
else
{
Any aVal;
aVal <<= aSeq;
DataChanged( SotExchange::GetFormatMimeType(
pData->GetFormat() ), aVal );
bWaitForData = false;
}
}
}
}
IMPL_LINK( SvDDEObject, ImplDoneDDEData, bool, bValid, void )
{
if( !bValid && ( pRequest || pLink ))
{
DdeTransaction* pReq = nullptr;
if( !pLink || ( pLink && pLink->IsBusy() ))
pReq = pRequest.get(); // only the one that is ready
else if( pRequest && pRequest->IsBusy() )
pReq = pLink.get(); // only the one that is ready
if( pReq )
{
if( ImplHasOtherFormat( *pReq ) )
{
pReq->Execute();
}
else if( pReq == pRequest.get() )
{
bWaitForData = false;
}
}
}
else
// End waiting
bWaitForData = false;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|