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 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: svdtext.cxx,v $
 * $Revision: 1.4 $
 *
 * This file is part of OpenOffice.org.
 *
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 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
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 * 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>
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"

#define ITEMID_FONTHEIGHT   EE_CHAR_FONTHEIGHT

#include "svx/svdotext.hxx"
#include "svx/svdetc.hxx"
#include "svx/outlobj.hxx"
#include "svx/svdoutl.hxx"
#include "svx/svdmodel.hxx"
#include "svx/fhgtitem.hxx"
#include <svx/eeitem.hxx>
#include <svtools/itemset.hxx>

SdrText::SdrText( SdrTextObj& rObject, OutlinerParaObject* pOutlinerParaObject /* = 0 */ )
: mpOutlinerParaObject( pOutlinerParaObject )
, mrObject( rObject )
, mpModel( rObject.GetModel() )
, mbPortionInfoChecked( false )
{
	OSL_ENSURE(&mrObject, "SdrText created without SdrTextObj (!)");
}

SdrText::~SdrText()
{
	delete mpOutlinerParaObject;
}

void SdrText::CheckPortionInfo( SdrOutliner& rOutliner )
{
	if(!mbPortionInfoChecked)
	{
		// Optimierung: ggf. BigTextObject erzeugen
		mbPortionInfoChecked=true;
		if(mpOutlinerParaObject!=NULL && rOutliner.ShouldCreateBigTextObject())
			mpOutlinerParaObject= rOutliner.CreateParaObject();
	}
}

void SdrText::ReformatText()
{
	mbPortionInfoChecked=FALSE;
	mpOutlinerParaObject->ClearPortionInfo();
}

const SfxItemSet& SdrText::GetItemSet() const
{
	return const_cast< SdrText* >(this)->GetObjectItemSet();
}

void SdrText::SetOutlinerParaObject( OutlinerParaObject* pTextObject )
{
	if( mpOutlinerParaObject != pTextObject )
	{
		if( mpModel )
		{
			// Update HitTestOutliner
			const SdrTextObj* pTestObj = mpModel->GetHitTestOutliner().GetTextObj();
			if( pTestObj && pTestObj->GetOutlinerParaObject() == mpOutlinerParaObject )
				mpModel->GetHitTestOutliner().SetTextObj( 0 );
		}

		if( mpOutlinerParaObject )
			delete mpOutlinerParaObject;

		mpOutlinerParaObject = pTextObject;

		mbPortionInfoChecked = false;
	}
}

OutlinerParaObject* SdrText::GetOutlinerParaObject() const
{
	return mpOutlinerParaObject;
}

/** returns the current OutlinerParaObject and removes it from this instance */
OutlinerParaObject* SdrText::RemoveOutlinerParaObject()
{
	if( mpModel )
	{
		// Update HitTestOutliner
		const SdrTextObj* pTestObj = mpModel->GetHitTestOutliner().GetTextObj();
		if( pTestObj && pTestObj->GetOutlinerParaObject() == mpOutlinerParaObject )
			mpModel->GetHitTestOutliner().SetTextObj( 0 );
	}

	OutlinerParaObject* pOPO = mpOutlinerParaObject;

	mpOutlinerParaObject = 0;
	mbPortionInfoChecked = false;

	return pOPO;
}

void SdrText::SetModel( SdrModel* pNewModel )
{
	if( pNewModel == mpModel )
		return;

	SdrModel* pOldModel = mpModel;
	mpModel = pNewModel;

	if( mpOutlinerParaObject && pOldModel!=NULL && pNewModel!=NULL)
	{
		bool bHgtSet = GetObjectItemSet().GetItemState(EE_CHAR_FONTHEIGHT, TRUE) == SFX_ITEM_SET;

		MapUnit aOldUnit(pOldModel->GetScaleUnit());
		MapUnit aNewUnit(pNewModel->GetScaleUnit());
		FASTBOOL bScaleUnitChanged=aNewUnit!=aOldUnit;
		// und nun dem OutlinerParaObject einen neuen Pool verpassen
		// !!! Hier muss noch DefTab und RefDevice der beiden Models
		// !!! verglichen werden und dann ggf. AutoGrow zuschlagen !!!
		// !!! fehlende Implementation !!!
		ULONG nOldFontHgt=pOldModel->GetDefaultFontHeight();
		ULONG nNewFontHgt=pNewModel->GetDefaultFontHeight();
		BOOL bDefHgtChanged=nNewFontHgt!=nOldFontHgt;
		BOOL bSetHgtItem=bDefHgtChanged && !bHgtSet;
		if (bSetHgtItem)
		{ // #32665#
			// zunaechst das HeightItem festklopfen, damit
			// 1. Es eben bestehen bleibt und
			// 2. DoStretchChars vom richtigen Wert ausgeht
			SetObjectItem(SvxFontHeightItem(nOldFontHgt, 100, EE_CHAR_FONTHEIGHT));
		}
		// erst jetzt den Outliner holen, etc. damit obiges SetAttr auch wirkt
		SdrOutliner& rOutliner = mrObject.ImpGetDrawOutliner();
		rOutliner.SetText(*mpOutlinerParaObject);
		delete mpOutlinerParaObject;
		mpOutlinerParaObject=0;
		if (bScaleUnitChanged)
		{
			Fraction aMetricFactor=GetMapFactor(aOldUnit,aNewUnit).X();

			// Funktioniert nicht richtig:
			// Geht am Outliner leider nur in %
			// double nPercFloat=double(aMetricFactor)*100+0.5;
			// USHORT nPerc=(USHORT)nPercFloat;
			// rOutliner.DoStretchChars(100,nPerc);

			if (bSetHgtItem)
			{
				// Und nun noch das Rahmenattribut korregieren
				nOldFontHgt=BigMulDiv(nOldFontHgt,aMetricFactor.GetNumerator(),aMetricFactor.GetDenominator());
				SetObjectItem(SvxFontHeightItem(nOldFontHgt, 100, EE_CHAR_FONTHEIGHT));
			}
		}
		SetOutlinerParaObject(rOutliner.CreateParaObject()); // #34494#
		mpOutlinerParaObject->ClearPortionInfo();
		mbPortionInfoChecked=FALSE;
		rOutliner.Clear();
	}
}

void SdrText::ForceOutlinerParaObject( USHORT nOutlMode )
{
	if( mpModel && !mpOutlinerParaObject )
	{
		Outliner* pOutliner = SdrMakeOutliner( nOutlMode, mpModel );
		if( pOutliner )
		{
			Outliner& aDrawOutliner = mpModel->GetDrawOutliner();
			pOutliner->SetCalcFieldValueHdl( aDrawOutliner.GetCalcFieldValueHdl() );

			pOutliner->SetStyleSheet( 0, GetStyleSheet());
			OutlinerParaObject* pOutlinerParaObject = pOutliner->CreateParaObject();
			SetOutlinerParaObject( pOutlinerParaObject );

			delete pOutliner;
		}
	}
}

const SfxItemSet& SdrText::GetObjectItemSet()
{
	return mrObject.GetObjectItemSet();
}

void SdrText::SetObjectItem(const SfxPoolItem& rItem)
{
	mrObject.SetObjectItem( rItem );
}

SfxStyleSheet* SdrText::GetStyleSheet() const
{
	return mrObject.GetStyleSheet();
}
