libreoffice/svx/source/svdraw/svdmark.cxx

/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: svdmark.cxx,v $
 *
 *  $Revision: 1.11 $
 *
 *  last change: $Author: hr $ $Date: 2007-06-27 19:03:40 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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 for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// 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 "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 "svdstr.hrc"   // Namen aus der Resource
#include "svdglob.hxx"  // StringCache

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

#ifndef _E3D_OBJ3D_HXX //autogen
#include <svx/obj3d.hxx>
#endif

#ifndef _E3D_SCENE3D_HXX
#include <svx/scene3d.hxx>
#endif

#ifndef _SFXBRDCST_HXX //autogen
#include <svtools/brdcst.hxx>
#endif

#ifndef _SVDOEDGE_HXX
#include <svx/svdoedge.hxx>
#endif

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

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_uInt32 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_uInt32 nPos)
{
    sal_uInt32 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;
    }
}

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

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

    if(pOL1 == pOL2)
    {
        sal_uInt32 nObjOrd1((pObj1) ? pObj1->GetOrdNum() : 0);
        sal_uInt32 nObjOrd2((pObj2) ? pObj2->GetOrdNum() : 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_uInt32 nAnz = maList.Count();

        if(nAnz > 1)
        {
            ImpSdrMarkListSorter aSort(maList);
            aSort.DoSort();

            // und nun doppelte rauswerfen
            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_uInt32 i(0L); i < GetMarkCount(); i++)
    {
        SdrMark* pMark = GetMark(i);
        delete pMark;
    }

    maList.Clear();
    SetNameDirty();
}

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

    for(sal_uInt32 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_uInt32 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_uInt32 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_uInt32 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_uInt32(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_uInt32 nLastNum(pLastObj!=0L ? pLastObj->GetOrdNum() : 0);
                const sal_uInt32 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_uInt32 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_uInt32 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_uInt32 nAnz(rSrcList.maList.Count());

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

    if(!bReverse)
    {
        for(sal_uInt32 i(0L); i < nAnz; i++)
        {
            SdrMark* pM = (SdrMark*)(rSrcList.maList.GetObject(i));
            InsertEntry(*pM);
        }
    }
    else
    {
        for(sal_uInt32 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_uInt32 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_uInt32 nObjAnz(pOL->GetObjCount());

    for(sal_uInt32 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_uInt32 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_uInt32 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_uInt32 nMarkAnz(GetMarkCount());
    sal_uInt32 nMarkPtAnz(0L);
    sal_uInt32 nMarkPtObjAnz(0L);
    sal_uInt32 n1stMarkNum(0xFFFFFFFF);

    for(sal_uInt32 nMarkNum(0L); nMarkNum < nMarkAnz; nMarkNum++)
    {
        const SdrMark* pMark = GetMark(nMarkNum);
        const SdrUShortCont* pPts = bGlue ? pMark->GetMarkedGluePoints() : pMark->GetMarkedPoints();
        sal_uInt32 nAnz(pPts ? pPts->GetCount() : 0);

        if(nAnz)
        {
            if(n1stMarkNum == 0xFFFFFFFF)
            {
                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_uInt32 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("%N", UniString::CreateFromInt32(nMarkPtAnz));
        }

        aStr1.SearchAndReplaceAscii("%O", 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_uInt32 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_uInt32 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_uInt32 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_uInt32 nMarkAnz(maMarkedObjectList.GetMarkCount());

            for(sal_uInt32 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