/* -*- 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 .

 */

#include <com/sun/star/embed/XEmbeddedObject.hpp>

#include <svx/svditer.hxx>

#include <svx/svdograf.hxx>

#include <svx/svdogrp.hxx>

#include <svx/svdoole2.hxx>

#include <svx/svdouno.hxx>

#include <svx/svdpage.hxx>

#include <svx/svdpagv.hxx>

#include <svx/svdundo.hxx>

#include <svx/svdocapt.hxx>

#include <svx/sdrpaintwindow.hxx>

#include <sfx2/bindings.hxx>

#include <sfx2/viewfrm.hxx>

#include <svx/sdrundomanager.hxx>

#include <svx/xfillit0.hxx>

#include <svx/xbtmpit.hxx>

#include <comphelper/lok.hxx>

#include <sfx2/lokhelper.hxx>

#include <LibreOfficeKit/LibreOfficeKitEnums.h>

#include <svx/sdr/contact/objectcontactofpageview.hxx>

#include <svx/sdr/contact/viewobjectcontact.hxx>

#include <svx/sdr/contact/viewcontact.hxx>

#include <svx/sdrpagewindow.hxx>

#include <tools/debug.hxx>

#include <tools/UnitConversion.hxx>

#include <osl/diagnose.h>

#include <drawview.hxx>

#include <global.hxx>

#include <viewdata.hxx>

#include <document.hxx>

#include <drawutil.hxx>

#include <globstr.hrc>

#include <scresid.hxx>

#include <tabvwsh.hxx>

#include <client.hxx>

#include <scmod.hxx>

#include <drwlayer.hxx>

#include <docsh.hxx>

#include <viewuno.hxx>

#include <userdat.hxx>

#include <postit.hxx>

#include <undocell.hxx>

#include <gridwin.hxx>

#include <sc.hrc>

using namespace com::sun::star;

#define SC_HANDLESIZE_BIG       9

void ScDrawView::Construct()

{

    EnableExtendedKeyInputDispatcher(false);

    EnableExtendedMouseEventDispatcher(false);

    SetFrameDragSingles();

    SetMinMoveDistancePixel( 2 );

    SetHitTolerancePixel( 2 );

    SCTAB nViewTab = rViewData.CurrentTabForData();

    // For sheet view tabs, use the default view's draw page so that

    // all draw operations and undo actions reference the default view's page.

    SCTAB nDrawTab = rDoc.GetDefaultViewTableNumber(nViewTab);

    ShowSdrPage(GetModel().GetPage(nDrawTab));

    bool bEx = rViewData.GetViewShell()->IsDrawSelMode();

    bool bProt = rDoc.IsTabProtected( nViewTab ) ||

                 rViewData.GetSfxDocShell()->IsReadOnly();

    SdrLayer* pLayer;

    SdrLayerAdmin& rAdmin = GetModel().GetLayerAdmin();

    pLayer = rAdmin.GetLayerPerID(SC_LAYER_BACK);

    if (pLayer)

        SetLayerLocked( pLayer->GetName(), bProt || !bEx );

    pLayer = rAdmin.GetLayerPerID(SC_LAYER_INTERN);

    if (pLayer)

        SetLayerLocked( pLayer->GetName() );

    pLayer = rAdmin.GetLayerPerID(SC_LAYER_FRONT);

    if (pLayer)

    {

        SetLayerLocked( pLayer->GetName(), bProt );

        SetActiveLayer( pLayer->GetName() );        // set active layer to FRONT

    }

    pLayer = rAdmin.GetLayerPerID(SC_LAYER_CONTROLS);

    if (pLayer)

        SetLayerLocked( pLayer->GetName(), bProt );

    pLayer = rAdmin.GetLayerPerID(SC_LAYER_HIDDEN);

    if (pLayer)

    {

        SetLayerLocked( pLayer->GetName(), bProt );

        SetLayerVisible( pLayer->GetName(), false);

    }

    SetSwapAsynchron();

    UpdateUserViewOptions();

    RecalcScale();

    UpdateWorkArea();

    bInConstruct = false;

}

void ScDrawView::ImplClearCalcDropMarker()

{

    pDropMarker.reset();

}

ScDrawView::~ScDrawView()

{

    ImplClearCalcDropMarker();

}

void ScDrawView::AddCustomHdl()

{

    const SdrMarkList &rMarkList = GetMarkedObjectList();

    const size_t nCount = rMarkList.GetMarkCount();

    for(size_t nPos=0; nPos<nCount; ++nPos )

    {

        SdrObject* pObj = rMarkList.GetMark(nPos)->GetMarkedSdrObj();

        if (ScDrawObjData *pAnchor = ScDrawLayer::GetObjDataTab(pObj, nTab))

        {

            if (ScTabView* pView = rViewData.GetView())

                pView->CreateAnchorHandles(maHdlList, pAnchor->maStart);

        }

    }

}

void ScDrawView::InvalidateAttribs()

{

    SfxBindings& rBindings = rViewData.GetBindings();

        // true status values:

    rBindings.InvalidateAll( true );

}

void ScDrawView::InvalidateDrawTextAttrs()

{

    SfxBindings& rBindings = rViewData.GetBindings();

    //  cjk/ctl font items have no configured slots,

    //  need no invalidate

    rBindings.Invalidate( SID_ATTR_CHAR_FONT );

    rBindings.Invalidate( SID_ATTR_CHAR_FONTHEIGHT );

    rBindings.Invalidate( SID_ATTR_CHAR_WEIGHT );

    rBindings.Invalidate( SID_ATTR_CHAR_POSTURE );

    rBindings.Invalidate( SID_ATTR_CHAR_UNDERLINE );

    rBindings.Invalidate( SID_ULINE_VAL_NONE );

    rBindings.Invalidate( SID_ULINE_VAL_SINGLE );

    rBindings.Invalidate( SID_ULINE_VAL_DOUBLE );

    rBindings.Invalidate( SID_ULINE_VAL_DOTTED );

    rBindings.Invalidate( SID_ATTR_CHAR_OVERLINE );

    rBindings.Invalidate( SID_ATTR_CHAR_COLOR );

    rBindings.Invalidate( SID_ATTR_CHAR_BACK_COLOR );

    rBindings.Invalidate( SID_ATTR_PARA_ADJUST_LEFT );

    rBindings.Invalidate( SID_ATTR_PARA_ADJUST_RIGHT );

    rBindings.Invalidate( SID_ATTR_PARA_ADJUST_BLOCK );

    rBindings.Invalidate( SID_ATTR_PARA_ADJUST_CENTER);

    rBindings.Invalidate( SID_ATTR_PARA_ADJUST_START );

    rBindings.Invalidate( SID_ATTR_PARA_ADJUST_END );

    rBindings.Invalidate( SID_ALIGNLEFT );

    rBindings.Invalidate( SID_ALIGNCENTERHOR );

    rBindings.Invalidate( SID_ALIGNRIGHT );

    rBindings.Invalidate( SID_ALIGNBLOCK );

    rBindings.Invalidate( SID_ATTR_PARA_LINESPACE_10 );

    rBindings.Invalidate( SID_ATTR_PARA_LINESPACE_15 );

    rBindings.Invalidate( SID_ATTR_PARA_LINESPACE_20 );

    rBindings.Invalidate( SID_SET_SUPER_SCRIPT );

    rBindings.Invalidate( SID_SET_SUB_SCRIPT );

    rBindings.Invalidate( SID_ATTR_CHAR_KERNING );

    rBindings.Invalidate( SID_ATTR_CHAR_STRIKEOUT );

    rBindings.Invalidate( SID_ATTR_CHAR_SHADOWED );

    rBindings.Invalidate( SID_TEXTDIRECTION_LEFT_TO_RIGHT );

    rBindings.Invalidate( SID_TEXTDIRECTION_TOP_TO_BOTTOM );

    rBindings.Invalidate( SID_ATTR_PARA_LEFT_TO_RIGHT );

    rBindings.Invalidate( SID_ATTR_PARA_RIGHT_TO_LEFT );

    rBindings.Invalidate( SID_TABLE_VERT_NONE );

    rBindings.Invalidate( SID_TABLE_VERT_CENTER );

    rBindings.Invalidate( SID_TABLE_VERT_BOTTOM );

    // pseudo slots for Format menu

    rBindings.Invalidate( SID_ALIGN_ANY_LEFT );

    rBindings.Invalidate( SID_ALIGN_ANY_HCENTER );

    rBindings.Invalidate( SID_ALIGN_ANY_RIGHT );

    rBindings.Invalidate( SID_ALIGN_ANY_START );

    rBindings.Invalidate( SID_ALIGN_ANY_END );

    rBindings.Invalidate( SID_ALIGN_ANY_JUSTIFIED );

}

void ScDrawView::SetMarkedToLayer( SdrLayerID nLayerNo )

{

    const SdrMarkList& rMarkList = GetMarkedObjectList();

    if (rMarkList.GetMarkCount() == 0)

        return;

    //  #i11702# use SdrUndoObjectLayerChange for undo

    //  STR_UNDO_SELATTR is "Attributes" - should use a different text later

    BegUndo( ScResId( STR_UNDO_SELATTR ) );

    const SdrMarkList& rMark = GetMarkedObjectList();

    const size_t nCount = rMark.GetMarkCount();

    for (size_t i=0; i<nCount; ++i)

    {

        SdrObject* pObj = rMark.GetMark(i)->GetMarkedSdrObj();

        assert(pObj);

        if ( dynamic_cast<const SdrUnoObj*>( pObj) == nullptr && (pObj->GetLayer() != SC_LAYER_INTERN) )

        {

            AddUndo( std::make_unique<SdrUndoObjectLayerChange>( *pObj, pObj->GetLayer(), nLayerNo) );

            pObj->SetLayer( nLayerNo );

        }

    }

    EndUndo();

    //  repaint is done in SetLayer

    rViewData.GetDocShell()->SetDrawModified();

    //  check mark list now instead of later in a timer

    CheckMarked();

    MarkListHasChanged();

}

bool ScDrawView::HasMarkedControl() const

{

    SdrObjListIter aIter( GetMarkedObjectList() );

    for( SdrObject* pObj = aIter.Next(); pObj; pObj = aIter.Next() )

        if( dynamic_cast<const SdrUnoObj*>( pObj) !=  nullptr )

            return true;

    return false;

}

bool ScDrawView::HasMarkedInternal() const

{

    // internal objects should not be inside a group, but who knows...

    SdrObjListIter aIter( GetMarkedObjectList() );

    for( SdrObject* pObj = aIter.Next(); pObj; pObj = aIter.Next() )

        if( pObj->GetLayer() == SC_LAYER_INTERN )

            return true;

    return false;

}

void ScDrawView::UpdateWorkArea()

{

    SdrPage* pPage = GetModel().GetPage(static_cast<sal_uInt16>(nTab));

    if (pPage)

    {

        Size aPageSize( pPage->GetSize() );

        tools::Rectangle aNewArea( Point(), aPageSize );

        if ( aPageSize.Width() < 0 )

        {

            //  RTL: from max.negative (left) to zero (right)

            aNewArea.SetRight( 0 );

            aNewArea.SetLeft( aPageSize.Width() + 1 );

        }

        SetWorkArea( aNewArea );

    }

    else

    {

        OSL_FAIL("Page not found");

    }

}

void ScDrawView::DoCut()

{

    DoCopy();

    BegUndo( ScResId( STR_UNDO_CUT ) );

    DeleteMarked();     // In this View - not affected by 505f change

    EndUndo();

}

void ScDrawView::GetScale( double& rFractX, double& rFractY ) const

{

    rFractX = mfScaleX;

    rFractY = mfScaleY;

}

void ScDrawView::RecalcScale()

{

    double nPPTX;

    double nPPTY;

    double fZoomX(1.0);

    double fZoomY(1.0);

    nTab = rViewData.CurrentTabForData();

    nPPTX = rViewData.GetPPTX();

    nPPTY = rViewData.GetPPTY();

    fZoomX = rViewData.GetZoomX();

    fZoomY = rViewData.GetZoomY();

    SCCOL nEndCol = 0;

    SCROW nEndRow = 0;

    rDoc.GetTableArea( nTab, nEndCol, nEndRow );

    if (nEndCol<20)

        nEndCol = 20;

    if (nEndRow<20)

        nEndRow = 20;

    ScDrawUtil::CalcScale(

        rDoc, nTab, 0, 0, nEndCol, nEndRow, pDev, fZoomX, fZoomY, nPPTX, nPPTY,

        mfScaleX, mfScaleY);

    // clear all evtl existing GridOffset vectors

    resetGridOffsetsForAllSdrPageViews();

    SdrPageView* pPV = GetSdrPageView();

    if ( !pPV )

        return;

    if ( SdrPage* pPage = pPV->GetPage() )

    {

        for (const rtl::Reference<SdrObject>& pObj : *pPage)

            // Align objects to nearest grid position

            SyncForGrid( pObj.get() );

    }

}

void ScDrawView::DoConnect(SdrOle2Obj* pOleObj)

{

    rViewData.GetViewShell()->ConnectObject( pOleObj );

}

void ScDrawView::MarkListHasChanged()

{

    FmFormView::MarkListHasChanged();

    ScTabViewShell* pViewSh = rViewData.GetViewShell();

    const SdrMarkList& rMarkList = GetMarkedObjectList();

    ScModule* pScMod = ScModule::get();

    // #i110829# remove the cell selection only if drawing objects are selected

    if ( !bInConstruct && rMarkList.GetMarkCount() )

    {

        pViewSh->Unmark();      // remove cell selection

        //  end cell edit mode if drawing objects are selected

        pScMod->InputEnterHandler();

    }

    // deactivate IP

    bool bUnoRefDialog = pScMod->IsRefDialogOpen() && pScMod->GetCurRefDlgId() == WID_SIMPLE_REF;

    ScClient* pClient = static_cast<ScClient*>( pViewSh->GetIPClient() );

    if ( pClient && pClient->IsObjectInPlaceActive() && !bUnoRefDialog )

    {

        // do not display the handles for ViewShell::Activate from the Reset2Open

        pClient->DeactivateObject();

        // replacing image ole graphics is now done in ScClient::UIActivate

    }

    //  Select Ole object?

    SdrOle2Obj* pOle2Obj = nullptr;

    SdrGrafObj* pGrafObj = nullptr;

    const size_t nMarkCount = rMarkList.GetMarkCount();

    if ( nMarkCount == 0 && !rViewData.GetViewShell()->IsDrawSelMode() && !bInConstruct )

    {

        //  relock layers that may have been unlocked before

        LockBackgroundLayer(true);

        LockInternalLayer();

    }

    bool bSubShellSet = false;

    if (nMarkCount == 1)

    {

        SdrObject* pObj = rMarkList.GetMark(0)->GetMarkedSdrObj();

        SdrObjKind nSdrObjKind = pObj->GetObjIdentifier();

        if (nSdrObjKind == SdrObjKind::OLE2)

        {

            pOle2Obj = static_cast<SdrOle2Obj*>(pObj);

            if (!ScDocument::IsChart(pObj) )

                pViewSh->SetOleObjectShell(true);

            else

                pViewSh->SetChartShell(true);

            bSubShellSet = true;

        }

        else if (nSdrObjKind == SdrObjKind::Graphic)

        {

            pGrafObj = static_cast<SdrGrafObj*>(pObj);

            pViewSh->SetGraphicShell(true);

            bSubShellSet = true;

        }

        else if (nSdrObjKind == SdrObjKind::Media)

        {

            pViewSh->SetMediaShell(true);

            bSubShellSet = true;

        }

        else if (nSdrObjKind == SdrObjKind::Text)

        {

            // prevent switching to the drawing shell

            if (!pViewSh->IsDrawTextShell()) // when creating a text object @#70206#

                pViewSh->SetDrawShell(true);

        }

        else if (!pViewSh->IsDrawTextShell())

        {

            // tdf#166481: we only need to switch to draw shell if we have not

            // already created a text shell for text edit mode

            pViewSh->SetDrawShell(true);

        }

    }

    if ( nMarkCount && !bSubShellSet )

    {

        bool bOnlyControls = true;

        bool bOnlyGraf     = true;

        for (size_t i=0; i<nMarkCount; ++i)

        {

            SdrObject* pObj = rMarkList.GetMark(i)->GetMarkedSdrObj();

            if ( auto pObjGroup = dynamic_cast<const SdrObjGroup*>( pObj) )

            {

                const SdrObjList *pLst = pObjGroup->GetSubList();

                const size_t nListCount = pLst->GetObjCount();

                if ( nListCount == 0 )

                {

                    //  An empty group (may occur during Undo) is no control or graphics object.

                    //  Creating the form shell during undo would lead to problems with the undo manager.

                    bOnlyControls = false;

                    bOnlyGraf = false;

                }

                for ( size_t j = 0; j < nListCount; ++j )

                {

                    SdrObject *pSubObj = pLst->GetObj( j );

                    assert(pSubObj);

                    if (dynamic_cast<const SdrUnoObj*>( pSubObj) ==  nullptr)

                        bOnlyControls = false;

                    if (pSubObj->GetObjIdentifier() != SdrObjKind::Graphic)

                        bOnlyGraf = false;

                    if ( !bOnlyControls && !bOnlyGraf ) break;

                }

            }

            else

            {

                if (dynamic_cast<const SdrUnoObj*>( pObj) ==  nullptr)

                    bOnlyControls = false;

                if (pObj->GetObjIdentifier() != SdrObjKind::Graphic)

                    bOnlyGraf = false;

            }

            if ( !bOnlyControls && !bOnlyGraf ) break;

        }

        if(bOnlyControls)

        {

            pViewSh->SetDrawFormShell(true);            // now UNO controls

        }

        else if(bOnlyGraf)

        {

            pViewSh->SetGraphicShell(true);

        }

        else if(nMarkCount>1)

        {

            pViewSh->SetDrawShell(true);

        }

    }

    // adjust verbs

    SfxViewFrame& rViewFrame = pViewSh->GetViewFrame();

    bool bOle = pViewSh->GetViewFrame().GetFrame().IsInPlace();

    uno::Sequence< embed::VerbDescriptor > aVerbs;

    if ( pOle2Obj && !bOle )

    {

        const uno::Reference < embed::XEmbeddedObject >& xObj = pOle2Obj->GetObjRef();

        OSL_ENSURE( xObj.is(), "SdrOle2Obj without ObjRef" );

        if (xObj.is())

            aVerbs = xObj->getSupportedVerbs();

    }

    pViewSh->SetVerbs( aVerbs );

    // image map editor

    if ( pOle2Obj )

        UpdateIMap( pOle2Obj );

    else if ( pGrafObj )

        UpdateIMap( pGrafObj );

    InvalidateAttribs();                // after the image map editor update

    InvalidateDrawTextAttrs();

    for(sal_uInt32 a(0); a < PaintWindowCount(); a++)

    {

        SdrPaintWindow* pPaintWindow = GetPaintWindow(a);

        OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();

        if(OUTDEV_WINDOW == rOutDev.GetOutDevType())

        {

            rOutDev.GetOwnerWindow()->PaintImmediately();

        }

    }

    //  uno object for view returns drawing objects as selection,

    //  so it must notify its SelectionChangeListeners

    SfxFrame& rFrame = rViewFrame.GetFrame();

    uno::Reference<frame::XController> xController = rFrame.GetController();

    if (xController.is())

    {

        ScTabViewObj* pImp = dynamic_cast<ScTabViewObj*>( xController.get() );

        if (pImp)

            pImp->SelectionChanged();

    }

    //  update selection transfer object

    pViewSh->CheckSelectionTransfer();

}

bool ScDrawView::SdrBeginTextEdit(

    SdrObject* pObj,

    SdrPageView* pPV,

    vcl::Window* pWinL,

    bool bIsNewObj,

    SdrOutliner* pGivenOutliner,

    OutlinerView* pGivenOutlinerView,

    bool bDontDeleteOutliner,

    bool bOnlyOneView,

    bool bGrabFocus )

{

    const bool bRet = FmFormView::SdrBeginTextEdit(

        pObj, pPV, pWinL, bIsNewObj,

        pGivenOutliner, pGivenOutlinerView, bDontDeleteOutliner,

        bOnlyOneView, bGrabFocus );

    ScTabViewShell* pViewSh = rViewData.GetViewShell();

    if (comphelper::LibreOfficeKit::isActive())

    {

        if (OutlinerView* pView = GetTextEditOutlinerView())

        {

            tools::Rectangle aRectangle = pView->GetOutputArea();

            if (pWinL && pWinL->GetMapMode().GetMapUnit() == MapUnit::Map100thMM)

            {

                aRectangle = o3tl::convert(aRectangle, o3tl::Length::mm100, o3tl::Length::twip);

            }

            OString sRectangle = aRectangle.toString();

            SfxLokHelper::notifyOtherViews(pViewSh, LOK_CALLBACK_VIEW_LOCK, "rectangle", sRectangle);

        }

    }

    SfxFrame& rFrame = pViewSh->GetViewFrame().GetFrame();

    uno::Reference< frame::XController > xController = rFrame.GetController();

    if (xController.is())

    {

        ScTabViewObj* pImp = dynamic_cast<ScTabViewObj*>( xController.get() );

        if (pImp)

            pImp->SelectionChanged();

    }

    return bRet;

}

SdrEndTextEditKind ScDrawView::SdrEndTextEdit( bool bDontDeleteReally )

{

    const SdrEndTextEditKind eRet = FmFormView::SdrEndTextEdit( bDontDeleteReally );

    ScTabViewShell* pViewSh = rViewData.GetViewShell();

    if (comphelper::LibreOfficeKit::isActive())

        SfxLokHelper::notifyOtherViews(pViewSh, LOK_CALLBACK_VIEW_LOCK, "rectangle", "EMPTY"_ostr);

    SfxFrame& rFrame = pViewSh->GetViewFrame().GetFrame();

    uno::Reference< frame::XController > xController = rFrame.GetController();

    if (xController.is())

    {

        ScTabViewObj* pImp = dynamic_cast<ScTabViewObj*>( xController.get() );

        if (pImp)

            pImp->SelectionChanged();

    }

    return eRet;

}

void ScDrawView::ModelHasChanged()

{

    SdrObject* pEditObj = GetTextEditObject();

    if ( pEditObj && !pEditObj->IsInserted() )

    {

        //  SdrObjEditView::ModelHasChanged will end text edit in this case,

        //  so make sure the EditEngine's undo manager is no longer used.

        rViewData.GetViewShell()->SetDrawTextUndo(nullptr);

        SetCreateMode();    // don't leave FuText in a funny state

    }

    FmFormView::ModelHasChanged();

}

void ScDrawView::UpdateUserViewOptions()

{

    const ScViewOptions&    rOpt = rViewData.GetOptions();

    const ScGridOptions&    rGrid = rOpt.GetGridOptions();

    SetDragStripes( rOpt.GetOption(sc::ViewOption::HELPLINES) );

    SetMarkHdlSizePixel( SC_HANDLESIZE_BIG );

    SetGridVisible( rGrid.GetGridVisible() );

    SetSnapEnabled( rGrid.GetUseGridSnap() );

    SetGridSnap( rGrid.GetUseGridSnap() );

    double aFractX = double(rGrid.GetFieldDrawX()) / ( rGrid.GetFieldDivisionX() + 1 );

    double aFractY = double(rGrid.GetFieldDrawY()) / ( rGrid.GetFieldDivisionY() + 1 );

    SetSnapGridWidth( aFractX, aFractY );

    SetGridCoarse( Size( rGrid.GetFieldDrawX(), rGrid.GetFieldDrawY() ) );

    SetGridFine( Size( rGrid.GetFieldDrawX() / (rGrid.GetFieldDivisionX() + 1),

                       rGrid.GetFieldDrawY() / (rGrid.GetFieldDivisionY() + 1) ) );

}

SdrObject* ScDrawView::GetObjectByName(std::u16string_view rName)

{

    ScDocShell* pShell = rDoc.GetDocumentShell();

    if (pShell)

    {

        SdrModel& rDrawLayer = GetModel();

        sal_uInt16 nTabCount = rDoc.GetTableCount();

        for (sal_uInt16 i=0; i<nTabCount; i++)

        {

            SdrPage* pPage = rDrawLayer.GetPage(i);

            DBG_ASSERT(pPage,"Page ?");

            if (pPage)

            {

                SdrObjListIter aIter( pPage, SdrIterMode::DeepNoGroups );

                SdrObject* pObject = aIter.Next();

                while (pObject)

                {

                    if ( ScDrawLayer::GetVisibleName( pObject ) == rName )

                    {

                        return pObject;

                    }

                    pObject = aIter.Next();

                }

            }

        }

    }

    return nullptr;

}

//realize multi-selection of objects

void ScDrawView::SelectCurrentViewObject( std::u16string_view rName )

{

    sal_uInt16 nObjectTab = 0;

    SdrObject* pFound = nullptr;

    ScDocShell* pShell = rDoc.GetDocumentShell();

    if (pShell)

    {

        SdrModel& rDrawLayer = GetModel();

        sal_uInt16 nTabCount = rDoc.GetTableCount();

        for (sal_uInt16 i=0; i<nTabCount && !pFound; i++)

        {

            SdrPage* pPage = rDrawLayer.GetPage(i);

            DBG_ASSERT(pPage,"Page ?");

            if (pPage)

            {

                SdrObjListIter aIter( pPage, SdrIterMode::DeepWithGroups );

                SdrObject* pObject = aIter.Next();

                while (pObject && !pFound)

                {

                    if ( ScDrawLayer::GetVisibleName( pObject ) == rName )

                    {

                        pFound = pObject;

                        nObjectTab = i;

                    }

                    pObject = aIter.Next();

                }

            }

        }

    }

    if ( !pFound )

        return;

    ScTabView* pView = rViewData.GetView();

    if ( nObjectTab != nTab )                               // switch sheet

        pView->SetTabNo( nObjectTab );

    DBG_ASSERT( nTab == nObjectTab, "Switching sheets did not work" );

    pView->ScrollToObject( pFound );

    if ( pFound->GetLayer() == SC_LAYER_BACK &&

            !rViewData.GetViewShell()->IsDrawSelMode() &&

            !rDoc.IsTabProtected( nTab ) &&

            !rViewData.GetSfxDocShell()->IsReadOnly() )

    {

        SdrLayer* pLayer = GetModel().GetLayerAdmin().GetLayerPerID(SC_LAYER_BACK);

        if (pLayer)

            SetLayerLocked( pLayer->GetName(), false );

    }

    SdrPageView* pPV = GetSdrPageView();

    const bool bUnMark = IsObjMarked(pFound);

    MarkObj( pFound, pPV, bUnMark);

}

bool ScDrawView::SelectObject( std::u16string_view rName )

{

    UnmarkAll();

    SCTAB nObjectTab = 0;

    SdrObject* pFound = nullptr;

    ScDocShell* pShell = rDoc.GetDocumentShell();

    if (pShell)

    {

        SdrModel& rDrawLayer = GetModel();

        SCTAB nTabCount = rDoc.GetTableCount();

        for (SCTAB i=0; i<nTabCount && !pFound; i++)

        {

            SdrPage* pPage = rDrawLayer.GetPage(static_cast<sal_uInt16>(i));

            OSL_ENSURE(pPage,"Page ?");

            if (pPage)

            {

                SdrObjListIter aIter( pPage, SdrIterMode::DeepWithGroups );

                SdrObject* pObject = aIter.Next();

                while (pObject && !pFound)

                {

                    if ( ScDrawLayer::GetVisibleName( pObject ) == rName )

                    {

                        pFound = pObject;

                        nObjectTab = i;

                    }

                    pObject = aIter.Next();

                }

            }

        }

    }

    if ( pFound )

    {

        ScTabView* pView = rViewData.GetView();

        if ( nObjectTab != nTab )                               // switch sheet

            pView->SetTabNo( nObjectTab );

        OSL_ENSURE( nTab == nObjectTab, "Switching sheets did not work" );

        pView->ScrollToObject( pFound );

        /*  To select an object on the background layer, the layer has to

            be unlocked even if exclusive drawing selection mode is not active

            (this is reversed in MarkListHasChanged when nothing is selected) */

        if ( pFound->GetLayer() == SC_LAYER_BACK &&

                !rViewData.GetViewShell()->IsDrawSelMode() &&

                !rDoc.IsTabProtected( nTab ) &&

                !rViewData.GetSfxDocShell()->IsReadOnly() )

        {

            LockBackgroundLayer(false);

        }

        SdrPageView* pPV = GetSdrPageView();

        MarkObj( pFound, pPV );

    }

    return ( pFound != nullptr );

}

//If  object  is marked , return true , else return false .

bool ScDrawView::GetObjectIsMarked(  const SdrObject* pObject  )

{

    bool bisMarked = false;

    if (pObject )

    {

        bisMarked = IsObjMarked(pObject);

    }

    return  bisMarked;

}

bool ScDrawView::InsertObjectSafe(SdrObject* pObj, SdrPageView& rPV)

{

    SdrInsertFlags nOptions=SdrInsertFlags::NONE;

    // Do not change marks when the ole object is active

    // (for Drop from ole object would otherwise be deactivated in the middle of ExecuteDrag!)

    SfxInPlaceClient* pClient = rViewData.GetViewShell()->GetIPClient();

    if ( pClient && pClient->IsObjectInPlaceActive() )

        nOptions |= SdrInsertFlags::DONTMARK;

    return InsertObjectAtView(pObj, rPV, nOptions);

}

SdrObject* ScDrawView::GetMarkedNoteCaption( ScDrawObjData** ppCaptData )

{

    const SdrMarkList& rMarkList = GetMarkedObjectList();

    if( rMarkList.GetMarkCount() == 1 )

    {

        SdrObject* pObj = rMarkList.GetMark( 0 )->GetMarkedSdrObj();

        if( ScDrawObjData* pCaptData = ScDrawLayer::GetNoteCaptionData( pObj, rViewData.CurrentTabForData() ) )

        {

            if( ppCaptData ) *ppCaptData = pCaptData;

            return pObj;

        }

    }

    return nullptr;

}

void ScDrawView::LockCalcLayer( SdrLayerID nLayer, bool bLock )

{

    SdrLayer* pLockLayer = GetModel().GetLayerAdmin().GetLayerPerID( nLayer );

    if( pLockLayer && (IsLayerLocked( pLockLayer->GetName() ) != bLock) )

        SetLayerLocked( pLockLayer->GetName(), bLock );

}

void ScDrawView::MakeVisible( const tools::Rectangle& rRect, vcl::Window& rWin )

{

    //! Evaluate rWin properly

    //! change zoom if necessary

    if ( rViewData.GetActiveWin() == &rWin )

        rViewData.GetView()->MakeVisible( rRect );

}

SfxViewShell* ScDrawView::GetSfxViewShell() const

{

    return rViewData.GetViewShell();

}

void ScDrawView::DeleteMarked()

{

    // try to delete a note caption object with its cell note in the Calc document

    ScDrawObjData* pCaptData = nullptr;

    if( SdrObject* pCaptObj = GetMarkedNoteCaption( &pCaptData ) )

    {

        ScDrawLayer* pDrawLayer = rDoc.GetDrawLayer();

        ScDocShell* pDocShell = rViewData.GetDocShell();

        SfxUndoManager* pUndoMgr = pDocShell ? pDocShell->GetUndoManager() : nullptr;

        bool bUndo = pDrawLayer && pDocShell && pUndoMgr && rDoc.IsUndoEnabled();

        // remove the cell note from document, we are its owner now

        std::unique_ptr<ScPostIt> pNote = rDoc.ReleaseNote( pCaptData->maStart );

        OSL_ENSURE( pNote, "ScDrawView::DeleteMarked - cell note missing in document" );

        if( pNote )

        {

            // rescue note data for undo (with pointer to caption object)

            ScNoteData aNoteData = pNote->GetNoteData();

            OSL_ENSURE( aNoteData.mxCaption.get() == pCaptObj, "ScDrawView::DeleteMarked - caption object does not match" );

            // collect the drawing undo action created while deleting the note

            if( bUndo )

                pDrawLayer->BeginCalcUndo(false);

            // delete the note (already removed from document above)

            pNote.reset();

            // add the undo action for the note

            if( bUndo )

                pUndoMgr->AddUndoAction( std::make_unique<ScUndoReplaceNote>( *pDocShell, pCaptData->maStart, aNoteData, false, pDrawLayer->GetCalcUndo() ) );

            // repaint the cell to get rid of the note marker

            if( pDocShell )

                pDocShell->PostPaintCell( pCaptData->maStart );

            // done, return now to skip call of FmFormView::DeleteMarked()

            return;

        }

    }

    FmFormView::DeleteMarked();

}