AOO410/main/svx/source/svdraw/svdmark.cxx

/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"

////////////////////////////////////////////////////////////////////////////////////////////////////

#include <svx/svdmark.hxx>
#include <svx/svdetc.hxx>
#include <svx/svdobj.hxx>
#include <svx/svdpage.hxx>
#include "svx/svditer.hxx"
#include <svx/svdpagv.hxx>
#include <svx/svdopath.hxx> // zur Abschaltung
#include <svx/svdogrp.hxx>  // des Cache bei
#include <svx/svdorect.hxx> // GetMarkDescription
#include "svx/svdstr.hrc"   // Namen aus der Resource
#include "svx/svdglob.hxx"  // StringCache

////////////////////////////////////////////////////////////////////////////////////////////////////
#include <svx/obj3d.hxx>
#include <svx/scene3d.hxx>
#include <svl/brdcst.hxx>
#include <svx/svdoedge.hxx>

////////////////////////////////////////////////////////////////////////////////////////////////////

class ImpSdrUShortContSorter: public ContainerSorter
{
public:
	ImpSdrUShortContSorter(Container& rNewCont)
	:	ContainerSorter(rNewCont) 
	{}
	
	virtual int Compare(const void* pElem1, const void* pElem2) const;
};

int ImpSdrUShortContSorter::Compare(const void* pElem1, const void* pElem2) const
{
	sal_uInt16 n1((sal_uInt16)((sal_uIntPtr)pElem1));
	sal_uInt16 n2((sal_uInt16)((sal_uIntPtr)pElem2));

	return ((n1 < n2) ? (-1) : (n1 > n2) ? (1) : (0));
}

void SdrUShortCont::Sort() const
{
	ImpSdrUShortContSorter aSort(*((Container*)(&maArray)));
	aSort.DoSort();
	((SdrUShortCont*)this)->mbSorted = sal_True;

	sal_uLong nNum(GetCount());

	if(nNum > 1) 
	{
		nNum--;
		sal_uInt16 nVal0 = GetObject(nNum);

		while(nNum > 0) 
		{
			nNum--;
			sal_uInt16 nVal1 = GetObject(nNum);

			if(nVal1 == nVal0) 
			{
				((SdrUShortCont*)this)->Remove(nNum);
			}

			nVal0 = nVal1;
		}
	}
}

void SdrUShortCont::CheckSort(sal_uLong nPos)
{
	sal_uLong nAnz(maArray.Count());

	if(nPos > nAnz) 
		nPos = nAnz;

	sal_uInt16 nAktVal = GetObject(nPos);

	if(nPos > 0) 
	{
		sal_uInt16 nPrevVal = GetObject(nPos - 1);

		if(nPrevVal >= nAktVal) 
			mbSorted = sal_False;
	}

	if(nPos < nAnz - 1) 
	{
		sal_uInt16 nNextVal = GetObject(nPos + 1);
		
		if(nNextVal <= nAktVal) 
			mbSorted = sal_False;
	}
}

std::set< sal_uInt16 > SdrUShortCont::getContainer()
{
	std::set< sal_uInt16 > aSet;

	sal_uInt32 nAnz = maArray.Count();
	while(nAnz)
		aSet.insert( GetObject(--nAnz) );

	return aSet;
}

////////////////////////////////////////////////////////////////////////////////////////////////////

SdrMark::SdrMark(SdrObject* pNewObj, SdrPageView* pNewPageView)
:	mpSelectedSdrObject(pNewObj), 
	mpPageView(pNewPageView), 
	mpPoints(0L), 
	mpLines(0L), 
	mpGluePoints(0L), 
	mbCon1(sal_False), 
	mbCon2(sal_False), 
	mnUser(0) 
{
	if(mpSelectedSdrObject)
	{
		mpSelectedSdrObject->AddObjectUser( *this ); 
	}
}

SdrMark::SdrMark(const SdrMark& rMark)
:	ObjectUser(),
    mpSelectedSdrObject(0L), 
	mpPageView(0L), 
	mpPoints(0L), 
	mpLines(0L), 
	mpGluePoints(0L), 
	mbCon1(sal_False), 
	mbCon2(sal_False), 
	mnUser(0) 
{ 
	*this = rMark; 
}

SdrMark::~SdrMark()
{ 
	if(mpSelectedSdrObject)
	{
		mpSelectedSdrObject->RemoveObjectUser( *this ); 
	}

	if(mpPoints) 
	{
		delete mpPoints; 
	}
	
	if(mpLines) 
	{
		delete mpLines; 
	}
	
	if(mpGluePoints) 
	{
		delete mpGluePoints; 
	}
}

void SdrMark::ObjectInDestruction(const SdrObject& rObject)
{
    (void) rObject; // avoid warnings
	OSL_ENSURE(mpSelectedSdrObject && mpSelectedSdrObject == &rObject, "SdrMark::ObjectInDestruction: called form object different from hosted one (!)");
	OSL_ENSURE(mpSelectedSdrObject, "SdrMark::ObjectInDestruction: still seleceted SdrObject is deleted, deselect first (!)");
	mpSelectedSdrObject = 0L;
}

void SdrMark::SetMarkedSdrObj(SdrObject* pNewObj)
{ 
	if(mpSelectedSdrObject)
	{
		mpSelectedSdrObject->RemoveObjectUser( *this ); 
	}

	mpSelectedSdrObject = pNewObj;

	if(mpSelectedSdrObject)
	{
		mpSelectedSdrObject->AddObjectUser( *this ); 
	}
}

SdrObject* SdrMark::GetMarkedSdrObj() const
{ 
	return mpSelectedSdrObject; 
}

SdrMark& SdrMark::operator=(const SdrMark& rMark)
{
	SetMarkedSdrObj(rMark.mpSelectedSdrObject);
	mpPageView = rMark.mpPageView;
	mbCon1 = rMark.mbCon1;
	mbCon2 = rMark.mbCon2;
	mnUser = rMark.mnUser;

	if(!rMark.mpPoints) 
	{
		if(mpPoints) 
		{
			delete mpPoints;
			mpPoints = 0L;
		}
	} 
	else 
	{
		if(!mpPoints) 
		{
			mpPoints = new SdrUShortCont(*rMark.mpPoints);
		} 
		else 
		{
			*mpPoints = *rMark.mpPoints;
		}
	}

	if(!rMark.mpLines) 
	{
		if(mpLines) 
		{
			delete mpLines;
			mpLines = 0L;
		}
	} 
	else 
	{
		if(!mpLines) 
		{
			mpLines = new SdrUShortCont(*rMark.mpLines);
		} 
		else 
		{
			*mpLines = *rMark.mpLines;
		}
	}

	if(!rMark.mpGluePoints) 
	{
		if(mpGluePoints) 
		{
			delete mpGluePoints;
			mpGluePoints = 0L;
		}
	} 
	else 
	{
		if(!mpGluePoints) 
		{
			mpGluePoints = new SdrUShortCont(*rMark.mpGluePoints);
		} 
		else 
		{
			*mpGluePoints = *rMark.mpGluePoints;
		}
	}

	return *this;
}

sal_Bool SdrMark::operator==(const SdrMark& rMark) const
{
	sal_Bool bRet(mpSelectedSdrObject == rMark.mpSelectedSdrObject && mpPageView == rMark.mpPageView && mbCon1 == rMark.mbCon1 && mbCon2 == rMark.mbCon2 && mnUser == rMark.mnUser);

	if((mpPoints != 0L) != (rMark.mpPoints != 0L)) 
		bRet = sal_False;

	if((mpLines != 0L) != (rMark.mpLines != 0L)) 
		bRet = sal_False;

	if((mpGluePoints != 0L) != (rMark.mpGluePoints != 0L)) 
		bRet = sal_False;

	if(bRet && mpPoints && *mpPoints != *rMark.mpPoints) 
		bRet = sal_False;

	if(bRet && mpLines && *mpLines != *rMark.mpLines) 
		bRet = sal_False;

	if(bRet && mpGluePoints && *mpGluePoints != *rMark.mpGluePoints) 
		bRet = sal_False;

	return bRet;
}

SdrPage* SdrMark::GetPage() const
{
	return (mpSelectedSdrObject ? mpSelectedSdrObject->GetPage() : 0);
}

SdrObjList* SdrMark::GetObjList() const
{
	return (mpSelectedSdrObject ? mpSelectedSdrObject->GetObjList() : 0);
}

////////////////////////////////////////////////////////////////////////////////////////////////////

class ImpSdrMarkListSorter: public ContainerSorter
{
public:
	ImpSdrMarkListSorter(Container& rNewCont)
        :	ContainerSorter(rNewCont)
	{}
	
	virtual int Compare(const void* pElem1, const void* pElem2) const;
};

int ImpSdrMarkListSorter::Compare(const void* pElem1, const void* pElem2) const
{
	SdrObject* pObj1 = ((SdrMark*)pElem1)->GetMarkedSdrObj();
	SdrObject* pObj2 = ((SdrMark*)pElem2)->GetMarkedSdrObj();
	SdrObjList* pOL1 = (pObj1) ? pObj1->GetObjList() : 0L;
	SdrObjList* pOL2 = (pObj2) ? pObj2->GetObjList() : 0L;

	if (pOL1 == pOL2) 
    {
        // AF: Note that I reverted a change from sal_uInt32 to sal_uLong (made
        // for 64bit compliance, #i78198#) because internally in SdrObject
        // both nOrdNum and mnNavigationPosition are stored as sal_uInt32.
        sal_uInt32 nObjOrd1((pObj1) ? pObj1->GetNavigationPosition() : 0);
        sal_uInt32 nObjOrd2((pObj2) ? pObj2->GetNavigationPosition() : 0);
            
        return (nObjOrd1 < nObjOrd2 ? -1 : 1);
    }
	else 
	{
		return ((long)pOL1 < (long)pOL2) ? -1 : 1;
	}
}

////////////////////////////////////////////////////////////////////////////////////////////////////

void SdrMarkList::ForceSort() const
{
	if(!mbSorted)
	{
		((SdrMarkList*)this)->ImpForceSort();
	}
}

void SdrMarkList::ImpForceSort()
{
	if(!mbSorted) 
	{
		mbSorted = sal_True;
		sal_uLong nAnz = maList.Count();

		// remove invalid
		if(nAnz > 0 )
		{
			SdrMark* pAkt = (SdrMark*)maList.First();
			while( pAkt )
			{
				if(pAkt->GetMarkedSdrObj() == 0)
				{
					maList.Remove();					
					delete pAkt;
				}
				pAkt= (SdrMark*)maList.Next();
			}
			nAnz = maList.Count();
		}

		if(nAnz > 1) 
		{
			ImpSdrMarkListSorter aSort(maList);
			aSort.DoSort();
		
			// remove duplicates
			if(maList.Count() > 1) 
			{
				SdrMark* pAkt = (SdrMark*)maList.Last();
				SdrMark* pCmp = (SdrMark*)maList.Prev();

				while(pCmp) 
				{
					if(pAkt->GetMarkedSdrObj() == pCmp->GetMarkedSdrObj() && pAkt->GetMarkedSdrObj())
					{
						// Con1/Con2 Merging
						if(pCmp->IsCon1()) 
							pAkt->SetCon1(sal_True);

						if(pCmp->IsCon2()) 
							pAkt->SetCon2(sal_True);
						
						// pCmp loeschen.
						maList.Remove();
						
						delete pCmp;
					} 
					else 
					{
						pAkt = pCmp;
					}

					pCmp = (SdrMark*)maList.Prev();
				}
			}
		}
	}
}

void SdrMarkList::Clear()
{
	for(sal_uLong i(0L); i < GetMarkCount(); i++) 
	{
		SdrMark* pMark = GetMark(i);
		delete pMark;
	}

	maList.Clear();
	SetNameDirty();
}

void SdrMarkList::operator=(const SdrMarkList& rLst)
{
	Clear();

	for(sal_uLong i(0L); i < rLst.GetMarkCount(); i++) 
	{
		SdrMark* pMark = rLst.GetMark(i);
		SdrMark* pNeuMark = new SdrMark(*pMark);
		maList.Insert(pNeuMark, CONTAINER_APPEND);
	}

	maMarkName = rLst.maMarkName;
	mbNameOk = rLst.mbNameOk;
	maPointName = rLst.maPointName;
	mbPointNameOk = rLst.mbPointNameOk;
	maGluePointName = rLst.maGluePointName;
	mbGluePointNameOk = rLst.mbGluePointNameOk;
	mbSorted = rLst.mbSorted;
}

sal_uLong SdrMarkList::FindObject(const SdrObject* pObj) const
{
	// #109658#
	//
	// Since relying on OrdNums is not allowed for the selection because objects in the
	// selection may not be inserted in a list if they are e.g. modified ATM, i changed
	// this loop to just look if the object pointer is in the selection.
	//
	// Problem is that GetOrdNum() which is const, internally casts to non-const and
	// hardly sets the OrdNum member of the object (nOrdNum) to 0 (ZERO) if the object
	// is not inserted in a object list.
	// Since this may be by purpose and necessary somewhere else i decided that it is
	// less dangerous to change this method then changing SdrObject::GetOrdNum().
	if(pObj && maList.Count())
	{
		for(sal_uLong a(0L); a < maList.Count(); a++)
		{
			if(((SdrMark*)(maList.GetObject(a)))->GetMarkedSdrObj() == pObj)
			{
				return a;
			}
		}
	}

	return CONTAINER_ENTRY_NOTFOUND;
}

void SdrMarkList::InsertEntry(const SdrMark& rMark, sal_Bool bChkSort)
{
	SetNameDirty();
	sal_uLong nAnz(maList.Count());

	if(!bChkSort || !mbSorted || nAnz == 0) 
	{
		if(!bChkSort) 
			mbSorted = sal_False;

		maList.Insert(new SdrMark(rMark), CONTAINER_APPEND);
	} 
	else 
	{
		SdrMark* pLast = GetMark(sal_uLong(nAnz - 1));
		const SdrObject* pLastObj = pLast->GetMarkedSdrObj();
		const SdrObject* pNeuObj = rMark.GetMarkedSdrObj();

		if(pLastObj == pNeuObj) 
		{ 
			// Aha, den gibt's schon
			// Con1/Con2 Merging
			if(rMark.IsCon1()) 
				pLast->SetCon1(sal_True);

			if(rMark.IsCon2()) 
				pLast->SetCon2(sal_True);
		} 
		else 
		{
			SdrMark* pKopie = new SdrMark(rMark);
			maList.Insert(pKopie, CONTAINER_APPEND);

			// und nun checken, ob die Sortierung noch ok ist
			const SdrObjList* pLastOL = pLastObj!=0L ? pLastObj->GetObjList() : 0L;
			const SdrObjList* pNeuOL = pNeuObj !=0L ? pNeuObj ->GetObjList() : 0L;

			if(pLastOL == pNeuOL) 
			{
				const sal_uLong nLastNum(pLastObj!=0L ? pLastObj->GetOrdNum() : 0);
				const sal_uLong nNeuNum(pNeuObj !=0L ? pNeuObj ->GetOrdNum() : 0);

				if(nNeuNum < nLastNum) 
				{
					// irgendwann muss mal sortiert werden
					mbSorted = sal_False; 
				}
			} 
			else 
			{
				// irgendwann muss mal sortiert werden
				mbSorted = sal_False; 
			}
		}
	}

	return;
}

void SdrMarkList::DeleteMark(sal_uLong nNum)
{
	SdrMark* pMark = GetMark(nNum);
	DBG_ASSERT(pMark!=0L,"DeleteMark: MarkEntry nicht gefunden");

	if(pMark) 
	{
		maList.Remove(nNum);
		delete pMark;
		SetNameDirty();
	}
}

void SdrMarkList::ReplaceMark(const SdrMark& rNewMark, sal_uLong nNum)
{
	SdrMark* pMark = GetMark(nNum);
	DBG_ASSERT(pMark!=0L,"ReplaceMark: MarkEntry nicht gefunden");

	if(pMark) 
	{
		delete pMark;
		SetNameDirty();
		SdrMark* pKopie = new SdrMark(rNewMark);
		maList.Replace(pKopie, nNum);
		mbSorted = sal_False;
	}
}

void SdrMarkList::Merge(const SdrMarkList& rSrcList, sal_Bool bReverse)
{
	sal_uLong nAnz(rSrcList.maList.Count());

	if(rSrcList.mbSorted) 
	{
		// Merging ohne ein Sort bei rSrcList zu erzwingen
		bReverse = sal_False;
	}

	if(!bReverse)
	{
		for(sal_uLong i(0L); i < nAnz; i++) 
		{
			SdrMark* pM = (SdrMark*)(rSrcList.maList.GetObject(i));
			InsertEntry(*pM);
		}
	}
	else
	{
		for(sal_uLong i(nAnz); i > 0;) 
		{
			i--;
			SdrMark* pM = (SdrMark*)(rSrcList.maList.GetObject(i));
			InsertEntry(*pM);
		}
	}
}

sal_Bool SdrMarkList::DeletePageView(const SdrPageView& rPV)
{
	sal_Bool bChgd(sal_False);

	for(sal_uLong i(GetMarkCount()); i > 0; ) 
	{
		i--;
		SdrMark* pMark = GetMark(i);

		if(pMark->GetPageView()==&rPV) 
		{
			maList.Remove(i);
			delete pMark;
			SetNameDirty();
			bChgd = sal_True;
		}
	}

	return bChgd;
}

sal_Bool SdrMarkList::InsertPageView(const SdrPageView& rPV)
{
	sal_Bool bChgd(sal_False);
	DeletePageView(rPV); // erstmal alle raus, dann die ganze Seite hinten dran
	SdrObject* pObj;
	const SdrObjList* pOL = rPV.GetObjList();
	sal_uLong nObjAnz(pOL->GetObjCount());

	for(sal_uLong nO(0L); nO < nObjAnz; nO++) 
	{
		pObj = pOL->GetObj(nO);
		sal_Bool bDoIt(rPV.IsObjMarkable(pObj));

		if(bDoIt) 
		{
			SdrMark* pM = new SdrMark(pObj, (SdrPageView*)&rPV);
			maList.Insert(pM, CONTAINER_APPEND);
			SetNameDirty();
			bChgd = sal_True;
		}
	}

	return bChgd;
}

const XubString& SdrMarkList::GetMarkDescription() const
{
	sal_uLong nAnz(GetMarkCount());
	
	if(mbNameOk && 1L == nAnz) 
	{
		// Bei Einfachselektion nur Textrahmen cachen
		const SdrObject* pObj = GetMark(0)->GetMarkedSdrObj();
		const SdrTextObj* pTextObj = PTR_CAST(SdrTextObj, pObj);

		if(!pTextObj || !pTextObj->IsTextFrame()) 
		{
			((SdrMarkList*)(this))->mbNameOk = sal_False;
		}
	}
	
	if(!mbNameOk) 
	{
		SdrMark* pMark = GetMark(0);
		XubString aNam;
		
		if(!nAnz) 
		{
			((SdrMarkList*)(this))->maMarkName = ImpGetResStr(STR_ObjNameNoObj);
		} 
		else if(1L == nAnz) 
		{
			if(pMark->GetMarkedSdrObj())
			{
				pMark->GetMarkedSdrObj()->TakeObjNameSingul(aNam);
			}
		} 
		else 
		{
			if(pMark->GetMarkedSdrObj())
			{
				pMark->GetMarkedSdrObj()->TakeObjNamePlural(aNam);
				XubString aStr1;
				sal_Bool bEq(sal_True);
				
				for(sal_uLong i = 1; i < GetMarkCount() && bEq; i++) 
				{
					SdrMark* pMark2 = GetMark(i);
					pMark2->GetMarkedSdrObj()->TakeObjNamePlural(aStr1);
					bEq = aNam.Equals(aStr1);
				}

				if(!bEq)
				{
					aNam = ImpGetResStr(STR_ObjNamePlural);
				}
			}

			aNam.Insert(sal_Unicode(' '), 0);
			aNam.Insert(UniString::CreateFromInt32(nAnz), 0);
		}

		((SdrMarkList*)(this))->maMarkName = aNam;
		((SdrMarkList*)(this))->mbNameOk = sal_True;
	}

	return maMarkName;
}

const XubString& SdrMarkList::GetPointMarkDescription(sal_Bool bGlue) const
{
	sal_Bool& rNameOk = (sal_Bool&)(bGlue ? mbGluePointNameOk : mbPointNameOk);
	XubString& rName = (XubString&)(bGlue ? maGluePointName : maPointName);
	sal_uLong nMarkAnz(GetMarkCount());
	sal_uLong nMarkPtAnz(0L);
	sal_uLong nMarkPtObjAnz(0L);
	sal_uLong n1stMarkNum(ULONG_MAX);
	
	for(sal_uLong nMarkNum(0L); nMarkNum < nMarkAnz; nMarkNum++) 
	{
		const SdrMark* pMark = GetMark(nMarkNum);
		const SdrUShortCont* pPts = bGlue ? pMark->GetMarkedGluePoints() : pMark->GetMarkedPoints();
		sal_uLong nAnz(pPts ? pPts->GetCount() : 0);
		
		if(nAnz) 
		{
			if(n1stMarkNum == ULONG_MAX) 
			{
				n1stMarkNum = nMarkNum;
			}
			
			nMarkPtAnz += nAnz;
			nMarkPtObjAnz++;
		}

		if(nMarkPtObjAnz > 1 && rNameOk) 
		{
			// vorzeitige Entscheidung
			return rName; 
		}
	}

	if(rNameOk && 1L == nMarkPtObjAnz) 
	{
		// Bei Einfachselektion nur Textrahmen cachen
		const SdrObject* pObj = GetMark(0)->GetMarkedSdrObj();
		const SdrTextObj* pTextObj = PTR_CAST(SdrTextObj,pObj);
		
		if(!pTextObj || !pTextObj->IsTextFrame()) 
		{
			rNameOk = sal_False;
		}
	}

	if(!nMarkPtObjAnz) 
	{
		rName.Erase();
		rNameOk = sal_True;
	} 
	else if(!rNameOk) 
	{
		const SdrMark* pMark = GetMark(n1stMarkNum);
		XubString aNam;

		if(1L == nMarkPtObjAnz) 
		{
			if(pMark->GetMarkedSdrObj())
			{
				pMark->GetMarkedSdrObj()->TakeObjNameSingul(aNam);
			}
		} 
		else 
		{
			if(pMark->GetMarkedSdrObj())
			{
				pMark->GetMarkedSdrObj()->TakeObjNamePlural(aNam);
			}

			XubString aStr1;
			sal_Bool bEq(sal_True);
			
			for(sal_uLong i(n1stMarkNum + 1L); i < GetMarkCount() && bEq; i++) 
			{
				const SdrMark* pMark2 = GetMark(i);
				const SdrUShortCont* pPts = bGlue ? pMark2->GetMarkedGluePoints() : pMark2->GetMarkedPoints();
				
				if(pPts && pPts->GetCount() && pMark2->GetMarkedSdrObj()) 
				{
					pMark2->GetMarkedSdrObj()->TakeObjNamePlural(aStr1);
					bEq = aNam.Equals(aStr1);
				}
			}
	
			if(!bEq) 
			{
				aNam = ImpGetResStr(STR_ObjNamePlural);
			}
			
			aNam.Insert(sal_Unicode(' '), 0);
			aNam.Insert(UniString::CreateFromInt32(nMarkPtObjAnz), 0);
		}

		XubString aStr1;
		
		if(1L == nMarkPtAnz) 
		{
			aStr1 = (ImpGetResStr(bGlue ? STR_ViewMarkedGluePoint : STR_ViewMarkedPoint));
		} 
		else 
		{
			aStr1 = (ImpGetResStr(bGlue ? STR_ViewMarkedGluePoints : STR_ViewMarkedPoints));
			aStr1.SearchAndReplaceAscii("%2", UniString::CreateFromInt32(nMarkPtAnz));
		}

		aStr1.SearchAndReplaceAscii("%1", aNam);
		rName = aStr1;
		rNameOk = sal_True;
	}

	return rName;
}

sal_Bool SdrMarkList::TakeBoundRect(SdrPageView* pPV, Rectangle& rRect) const
{
	sal_Bool bFnd(sal_False);
	Rectangle aR;

	for(sal_uLong i(0L); i < GetMarkCount(); i++) 
	{
		SdrMark* pMark = GetMark(i);

		if(!pPV || pMark->GetPageView() == pPV) 
		{
			if(pMark->GetMarkedSdrObj())
			{
				aR = pMark->GetMarkedSdrObj()->GetCurrentBoundRect();

				if(bFnd) 
				{
					rRect.Union(aR);
				} 
				else 
				{
					rRect = aR;
					bFnd = sal_True;
				}
			}
		}
	}

	return bFnd;
}

sal_Bool SdrMarkList::TakeSnapRect(SdrPageView* pPV, Rectangle& rRect) const
{
	sal_Bool bFnd(sal_False);

	for(sal_uLong i(0L); i < GetMarkCount(); i++) 
	{
		SdrMark* pMark = GetMark(i);

		if(!pPV || pMark->GetPageView() == pPV) 
		{
			if(pMark->GetMarkedSdrObj())
			{
				Rectangle aR(pMark->GetMarkedSdrObj()->GetSnapRect());

				if(bFnd) 
				{
					rRect.Union(aR);
				} 
				else 
				{
					rRect = aR;
					bFnd = sal_True;
				}
			}
		}
	}

	return bFnd;
}

////////////////////////////////////////////////////////////////////////////////////////////////////

namespace sdr
{
	ViewSelection::ViewSelection()
	:	mbEdgesOfMarkedNodesDirty(sal_False)
	{
	}

	void ViewSelection::SetEdgesOfMarkedNodesDirty() 
	{ 
		if(!mbEdgesOfMarkedNodesDirty)
		{
			mbEdgesOfMarkedNodesDirty = sal_True; 
			maEdgesOfMarkedNodes.Clear();
			maMarkedEdgesOfMarkedNodes.Clear();
			maAllMarkedObjects.Clear();
		}
	}

	const SdrMarkList& ViewSelection::GetEdgesOfMarkedNodes() const
	{ 
		if(mbEdgesOfMarkedNodesDirty)
		{
			((ViewSelection*)this)->ImpForceEdgesOfMarkedNodes();
		}

		return maEdgesOfMarkedNodes; 
	}

	const SdrMarkList& ViewSelection::GetMarkedEdgesOfMarkedNodes() const 
	{ 
		if(mbEdgesOfMarkedNodesDirty)
		{
			((ViewSelection*)this)->ImpForceEdgesOfMarkedNodes();
		}

		return maMarkedEdgesOfMarkedNodes; 
	}

	const List& ViewSelection::GetAllMarkedObjects() const 
	{ 
		if(mbEdgesOfMarkedNodesDirty)
		{
			((ViewSelection*)this)->ImpForceEdgesOfMarkedNodes();
		}

		return maAllMarkedObjects; 
	}

	void ViewSelection::ImplCollectCompleteSelection(SdrObject* pObj)
	{
		if(pObj)
		{
			sal_Bool bIsGroup(pObj->IsGroupObject());

			if(bIsGroup && pObj->ISA(E3dObject) && !pObj->ISA(E3dScene))
			{
				bIsGroup = sal_False;
			}

			if(bIsGroup)
			{
				SdrObjList* pList = pObj->GetSubList();

				for(sal_uLong a(0L); a < pList->GetObjCount(); a++)
				{
					SdrObject* pObj2 = pList->GetObj(a);
					ImplCollectCompleteSelection(pObj2);
				}
			}

			maAllMarkedObjects.Insert(pObj, LIST_APPEND);
		}
	}

	void ViewSelection::ImpForceEdgesOfMarkedNodes()
	{
		if(mbEdgesOfMarkedNodesDirty) 
		{
			mbEdgesOfMarkedNodesDirty = sal_False;
			maMarkedObjectList.ForceSort();
			maEdgesOfMarkedNodes.Clear();
			maMarkedEdgesOfMarkedNodes.Clear();
			maAllMarkedObjects.Clear();

			// #126320# GetMarkCount after ForceSort
			const sal_uLong nMarkAnz(maMarkedObjectList.GetMarkCount());

			for(sal_uLong a(0L); a < nMarkAnz; a++)
			{
				SdrObject* pCandidate = maMarkedObjectList.GetMark(a)->GetMarkedSdrObj();

				if(pCandidate)
				{
					// build transitive hull
					ImplCollectCompleteSelection(pCandidate);

					if(pCandidate->IsNode())
					{
						// travel over broadcaster/listener to access edges connected to the selected object
						const SfxBroadcaster* pBC = pCandidate->GetBroadcaster();

						if(pBC) 
						{
							sal_uInt16 nLstAnz(pBC->GetListenerCount());

							for(sal_uInt16 nl(0); nl < nLstAnz; nl++) 
							{
								SfxListener* pLst = pBC->GetListener(nl);
								SdrEdgeObj* pEdge = PTR_CAST(SdrEdgeObj, pLst);

								if(pEdge && pEdge->IsInserted() && pEdge->GetPage() == pCandidate->GetPage()) 
								{
									SdrMark aM(pEdge, maMarkedObjectList.GetMark(a)->GetPageView());
									
									if(pEdge->GetConnectedNode(sal_True) == pCandidate) 
									{
										aM.SetCon1(sal_True);
									}

									if(pEdge->GetConnectedNode(sal_False) == pCandidate) 
									{
										aM.SetCon2(sal_True);
									}

									if(CONTAINER_ENTRY_NOTFOUND == maMarkedObjectList.FindObject(pEdge))
									{ 
										// nachsehen, ob er selbst markiert ist
										maEdgesOfMarkedNodes.InsertEntry(aM);
									} 
									else 
									{
										maMarkedEdgesOfMarkedNodes.InsertEntry(aM);
									}
								}
							}
						}
					}
				}
			}

			maEdgesOfMarkedNodes.ForceSort();
			maMarkedEdgesOfMarkedNodes.ForceSort();
		}
	}
} // end of namespace sdr

////////////////////////////////////////////////////////////////////////////////////////////////////
// eof