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/*************************************************************************
*
* 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_sc.hxx"
// INCLUDE ---------------------------------------------------------------
#include <tools/list.hxx>
#include <sfx2/linkmgr.hxx>
#include <sfx2/bindings.hxx>
#include <svl/zforlist.hxx>
#include "ddelink.hxx"
#include "brdcst.hxx"
#include "document.hxx"
#include "scmatrix.hxx"
#include "patattr.hxx"
#include "rechead.hxx"
#include "rangeseq.hxx"
#include "sc.hrc"
#include "hints.hxx"
TYPEINIT2(ScDdeLink,::sfx2::SvBaseLink,SfxBroadcaster);
#define DDE_TXT_ENCODING gsl_getSystemTextEncoding()
BOOL ScDdeLink::bIsInUpdate = FALSE;
//------------------------------------------------------------------------
ScDdeLink::ScDdeLink( ScDocument* pD, const String& rA, const String& rT, const String& rI,
BYTE nM ) :
::sfx2::SvBaseLink(sfx2::LINKUPDATE_ALWAYS,FORMAT_STRING),
pDoc( pD ),
aAppl( rA ),
aTopic( rT ),
aItem( rI ),
nMode( nM ),
bNeedUpdate( FALSE ),
pResult( NULL )
{
}
__EXPORT ScDdeLink::~ScDdeLink()
{
// Verbindung aufheben
// pResult is refcounted
}
ScDdeLink::ScDdeLink( ScDocument* pD, const ScDdeLink& rOther ) :
::sfx2::SvBaseLink(sfx2::LINKUPDATE_ALWAYS,FORMAT_STRING),
pDoc ( pD ),
aAppl ( rOther.aAppl ),
aTopic ( rOther.aTopic ),
aItem ( rOther.aItem ),
nMode ( rOther.nMode ),
bNeedUpdate( FALSE ),
pResult ( NULL )
{
if (rOther.pResult)
pResult = rOther.pResult->Clone();
}
ScDdeLink::ScDdeLink( ScDocument* pD, SvStream& rStream, ScMultipleReadHeader& rHdr ) :
::sfx2::SvBaseLink(sfx2::LINKUPDATE_ALWAYS,FORMAT_STRING),
pDoc( pD ),
bNeedUpdate( FALSE ),
pResult( NULL )
{
rHdr.StartEntry();
rtl_TextEncoding eCharSet = rStream.GetStreamCharSet();
rStream.ReadByteString( aAppl, eCharSet );
rStream.ReadByteString( aTopic, eCharSet );
rStream.ReadByteString( aItem, eCharSet );
BOOL bHasValue;
rStream >> bHasValue;
if ( bHasValue )
pResult = new ScMatrix( rStream );
if (rHdr.BytesLeft()) // neu in 388b und der 364w (RealTime-Client) Version
rStream >> nMode;
else
nMode = SC_DDE_DEFAULT;
rHdr.EndEntry();
}
void ScDdeLink::Store( SvStream& rStream, ScMultipleWriteHeader& rHdr ) const
{
rHdr.StartEntry();
rtl_TextEncoding eCharSet = rStream.GetStreamCharSet();
rStream.WriteByteString( aAppl, eCharSet );
rStream.WriteByteString( aTopic, eCharSet );
rStream.WriteByteString( aItem, eCharSet );
BOOL bHasValue = ( pResult != NULL );
rStream << bHasValue;
if (bHasValue)
pResult->Store( rStream );
if( rStream.GetVersion() > SOFFICE_FILEFORMAT_40 ) // nicht bei 4.0 Export
rStream << nMode; // seit 388b
// Links mit Mode != SC_DDE_DEFAULT werden bei 4.0 Export komplett weggelassen
// (aus ScDocument::SaveDdeLinks)
rHdr.EndEntry();
}
void __EXPORT ScDdeLink::DataChanged( const String& rMimeType,
const ::com::sun::star::uno::Any & rValue )
{
// wir koennen nur Strings...
if ( FORMAT_STRING != SotExchange::GetFormatIdFromMimeType( rMimeType ))
return;
String aLinkStr;
ScByteSequenceToString::GetString( aLinkStr, rValue, DDE_TXT_ENCODING );
aLinkStr.ConvertLineEnd(LINEEND_LF);
// wenn String mit Zeilenende aufhoert, streichen:
xub_StrLen nLen = aLinkStr.Len();
if (nLen && aLinkStr.GetChar(nLen-1) == '\n')
aLinkStr.Erase(nLen-1);
String aLine;
SCSIZE nCols = 1; // Leerstring -> eine leere Zelle
SCSIZE nRows = 1;
if (aLinkStr.Len())
{
nRows = static_cast<SCSIZE>(aLinkStr.GetTokenCount( '\n' ));
aLine = aLinkStr.GetToken( 0, '\n' );
if (aLine.Len())
nCols = static_cast<SCSIZE>(aLine.GetTokenCount( '\t' ));
}
if (!nRows || !nCols) // keine Daten
{
pResult.Clear();
}
else // Daten aufteilen
{
// Matrix immer neu anlegen, damit bIsString nicht durcheinanderkommt
pResult = new ScMatrix( nCols, nRows );
SvNumberFormatter* pFormatter = pDoc->GetFormatTable();
// nMode bestimmt, wie der Text interpretiert wird (#44455#/#49783#):
// SC_DDE_DEFAULT - Zahlformat aus Zellvorlage "Standard"
// SC_DDE_ENGLISH - Standard-Zahlformat fuer English/US
// SC_DDE_TEXT - ohne NumberFormatter direkt als String
ULONG nStdFormat = 0;
if ( nMode == SC_DDE_DEFAULT )
{
ScPatternAttr* pDefPattern = pDoc->GetDefPattern(); // enthaelt Standard-Vorlage
if ( pDefPattern )
nStdFormat = pDefPattern->GetNumberFormat( pFormatter );
}
else if ( nMode == SC_DDE_ENGLISH )
nStdFormat = pFormatter->GetStandardIndex(LANGUAGE_ENGLISH_US);
String aEntry;
for (SCSIZE nR=0; nR<nRows; nR++)
{
aLine = aLinkStr.GetToken( (xub_StrLen) nR, '\n' );
for (SCSIZE nC=0; nC<nCols; nC++)
{
aEntry = aLine.GetToken( (xub_StrLen) nC, '\t' );
sal_uInt32 nIndex = nStdFormat;
double fVal;
if ( nMode != SC_DDE_TEXT && pFormatter->IsNumberFormat( aEntry, nIndex, fVal ) )
pResult->PutDouble( fVal, nC, nR );
else
pResult->PutString( aEntry, nC, nR );
}
}
}
// Es hat sich was getan...
if (HasListeners())
{
Broadcast( ScHint( SC_HINT_DATACHANGED, ScAddress(), NULL ) );
pDoc->TrackFormulas(); // muss sofort passieren
pDoc->StartTrackTimer();
// StartTrackTimer ruft asynchron TrackFormulas, Broadcast(FID_DATACHANGED),
// ResetChanged, SetModified und Invalidate(SID_SAVEDOC/SID_DOC_MODIFIED)
// TrackFormulas zusaetzlich nochmal sofort, damit nicht z.B. durch IdleCalc
// eine Formel berechnet wird, die noch im FormulaTrack steht (#61676#)
// notify Uno objects (for XRefreshListener)
// must be after TrackFormulas
//! do this asynchronously?
ScLinkRefreshedHint aHint;
aHint.SetDdeLink( aAppl, aTopic, aItem, nMode );
pDoc->BroadcastUno( aHint );
}
}
void ScDdeLink::ResetValue()
{
pResult.Clear();
// Es hat sich was getan...
// Tracking, FID_DATACHANGED etc. passiert von aussen
if (HasListeners())
Broadcast( ScHint( SC_HINT_DATACHANGED, ScAddress(), NULL ) );
}
void __EXPORT ScDdeLink::ListenersGone()
{
BOOL bWas = bIsInUpdate;
bIsInUpdate = TRUE; // Remove() kann Reschedule ausloesen??!?
ScDocument* pStackDoc = pDoc; // member pDoc can't be used after removing the link
sfx2::LinkManager* pLinkMgr = pDoc->GetLinkManager();
pLinkMgr->Remove( this); // deletes this
if ( !pLinkMgr->GetLinks().Count() ) // letzten geloescht ?
{
SfxBindings* pBindings = pStackDoc->GetViewBindings(); // don't use member pDoc!
if (pBindings)
pBindings->Invalidate( SID_LINKS );
}
bIsInUpdate = bWas;
}
void ScDdeLink::TryUpdate()
{
if (bIsInUpdate)
bNeedUpdate = TRUE; // kann jetzt nicht ausgefuehrt werden
else
{
bIsInUpdate = TRUE;
//Application::Reschedule(); //! OS/2-Simulation
pDoc->IncInDdeLinkUpdate();
Update();
pDoc->DecInDdeLinkUpdate();
bIsInUpdate = FALSE;
bNeedUpdate = FALSE;
}
}
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