/* -*- 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 "scitems.hxx"
#include <editeng/eeitem.hxx>

#include <memory>
#include "AccessibleText.hxx"
#include "AccessibleCell.hxx"
#include "tabvwsh.hxx"
#include "editutil.hxx"
#include "document.hxx"
#include "scmod.hxx"
#include "prevwsh.hxx"
#include "docsh.hxx"
#include "prevloc.hxx"
#include "patattr.hxx"
#include "inputwin.hxx"
#include <editeng/unofored.hxx>
#include <editeng/editview.hxx>
#include <editeng/unoedhlp.hxx>
#include <vcl/virdev.hxx>
#include <editeng/editobj.hxx>
#include <editeng/adjustitem.hxx>
#include <editeng/justifyitem.hxx>
#include <svx/svdmodel.hxx>
#include <svx/algitem.hxx>
#include <vcl/svapp.hxx>

class ScViewForwarder : public SvxViewForwarder
{
    ScTabViewShell*     mpViewShell;
    ScAddress           maCellPos;
    ScSplitPos          meSplitPos;
public:
                        ScViewForwarder(ScTabViewShell* pViewShell, ScSplitPos eSplitPos, const ScAddress& rCell);
    virtual             ~ScViewForwarder();

    virtual bool        IsValid() const SAL_OVERRIDE;
    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
    virtual Point       LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;
    virtual Point       PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;

    void                SetInvalid();
};

ScViewForwarder::ScViewForwarder(ScTabViewShell* pViewShell, ScSplitPos eSplitPos, const ScAddress& rCell)
    :
    mpViewShell(pViewShell),
    maCellPos(rCell),
    meSplitPos(eSplitPos)
{
}

ScViewForwarder::~ScViewForwarder()
{
}

bool ScViewForwarder::IsValid() const
{
    return mpViewShell != NULL;
}

Rectangle ScViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    if (mpViewShell)
    {
        vcl::Window* pWindow = mpViewShell->GetWindowByPos(meSplitPos);
        if (pWindow)
        {
            aVisArea.SetSize(pWindow->GetSizePixel());

            ScHSplitPos eWhichH = ((meSplitPos == SC_SPLIT_TOPLEFT) || (meSplitPos == SC_SPLIT_BOTTOMLEFT)) ?
                                    SC_SPLIT_LEFT : SC_SPLIT_RIGHT;
            ScVSplitPos eWhichV = ((meSplitPos == SC_SPLIT_TOPLEFT) || (meSplitPos == SC_SPLIT_TOPRIGHT)) ?
                                    SC_SPLIT_TOP : SC_SPLIT_BOTTOM;

            Point aBaseCellPos(mpViewShell->GetViewData().GetScrPos(mpViewShell->GetViewData().GetPosX(eWhichH),
                mpViewShell->GetViewData().GetPosY(eWhichV), meSplitPos, true));
            Point aCellPos(mpViewShell->GetViewData().GetScrPos(maCellPos.Col(), maCellPos.Row(), meSplitPos, true));
            aVisArea.SetPos(aCellPos - aBaseCellPos);
        }
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return aVisArea;
}

Point ScViewForwarder::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpViewShell)
    {
        vcl::Window* pWindow = mpViewShell->GetWindowByPos(meSplitPos);
        if (pWindow)
            return pWindow->LogicToPixel( rPoint, rMapMode );
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

Point ScViewForwarder::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpViewShell)
    {
        vcl::Window* pWindow = mpViewShell->GetWindowByPos(meSplitPos);
        if (pWindow)
            return pWindow->PixelToLogic( rPoint, rMapMode );
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

void ScViewForwarder::SetInvalid()
{
    mpViewShell = NULL;
}

class ScEditObjectViewForwarder : public SvxViewForwarder
{
    vcl::Window*             mpWindow;
    // #i49561# EditView needed for access to its visible area.
    const EditView* mpEditView;
public:
                        ScEditObjectViewForwarder( vcl::Window* pWindow,
                                                   const EditView* _pEditView);
    virtual             ~ScEditObjectViewForwarder();

    virtual bool        IsValid() const SAL_OVERRIDE;
    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
    virtual Point       LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;
    virtual Point       PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;

    void                SetInvalid();
};

ScEditObjectViewForwarder::ScEditObjectViewForwarder( vcl::Window* pWindow,
                                                      const EditView* _pEditView )
    :
    mpWindow(pWindow),
    mpEditView( _pEditView )
{
}

ScEditObjectViewForwarder::~ScEditObjectViewForwarder()
{
}

bool ScEditObjectViewForwarder::IsValid() const
{
    return (mpWindow != NULL);
}

Rectangle ScEditObjectViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    if (mpWindow)
    {
        Rectangle aVisRect(mpWindow->GetWindowExtentsRelative(mpWindow->GetAccessibleParentWindow()));

        aVisRect.SetPos(Point(0, 0));

        aVisArea = aVisRect;
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return aVisArea;
}

Point ScEditObjectViewForwarder::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpWindow)
    {
        // #i49561# - consider offset of the visible area
        // of the EditView before converting point to pixel.
        Point aPoint( rPoint );
        if ( mpEditView )
        {
            Rectangle aEditViewVisArea( mpEditView->GetVisArea() );
            aPoint += aEditViewVisArea.TopLeft();
        }
        return mpWindow->LogicToPixel( aPoint, rMapMode );
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

Point ScEditObjectViewForwarder::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpWindow)
    {
        // #i49561# - consider offset of the visible area
        // of the EditView after converting point to logic.
        Point aPoint( mpWindow->PixelToLogic( rPoint, rMapMode ) );
        if ( mpEditView )
        {
            Rectangle aEditViewVisArea( mpEditView->GetVisArea() );
            aPoint -= aEditViewVisArea.TopLeft();
        }
        return aPoint;
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

void ScEditObjectViewForwarder::SetInvalid()
{
    mpWindow = NULL;
}

class ScPreviewViewForwarder : public SvxViewForwarder
{
protected:
    ScPreviewShell*     mpViewShell;
    mutable ScPreviewTableInfo* mpTableInfo;
public:
                        ScPreviewViewForwarder(ScPreviewShell* pViewShell);
    virtual             ~ScPreviewViewForwarder();

    virtual bool        IsValid() const SAL_OVERRIDE;
    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
    virtual Point       LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;
    virtual Point       PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;

    void                SetInvalid();

    Rectangle GetVisRect() const;

    // clips the VisArea and calculates with the negativ coordinates
    Rectangle CorrectVisArea(const Rectangle& rVisArea) const;
};

ScPreviewViewForwarder::ScPreviewViewForwarder(ScPreviewShell* pViewShell)
    :
    mpViewShell(pViewShell),
    mpTableInfo(NULL)
{
}

ScPreviewViewForwarder::~ScPreviewViewForwarder()
{
    delete mpTableInfo;
}

bool ScPreviewViewForwarder::IsValid() const
{
    return mpViewShell != NULL;
}

Rectangle ScPreviewViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    OSL_FAIL("should be implemented in an abrevated class");
    return aVisArea;
}

Point ScPreviewViewForwarder::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpViewShell)
    {
        vcl::Window* pWindow = mpViewShell->GetWindow();
        if (pWindow)
        {
            MapMode aMapMode(pWindow->GetMapMode().GetMapUnit());
            Point aPoint2( OutputDevice::LogicToLogic( rPoint, rMapMode, aMapMode) );
            return pWindow->LogicToPixel(aPoint2);
        }
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

Point ScPreviewViewForwarder::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpViewShell)
    {
        vcl::Window* pWindow = mpViewShell->GetWindow();
        if (pWindow)
        {
            MapMode aMapMode(pWindow->GetMapMode());
            aMapMode.SetOrigin(Point());
            Point aPoint1( pWindow->PixelToLogic( rPoint ) );
            Point aPoint2( OutputDevice::LogicToLogic( aPoint1,
                                                       aMapMode.GetMapUnit(),
                                                       rMapMode ) );
            return aPoint2;
        }
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

void ScPreviewViewForwarder::SetInvalid()
{
    mpViewShell = NULL;
}

Rectangle ScPreviewViewForwarder::GetVisRect() const
{
    if ( mpViewShell )
    {
        Size aOutputSize;
        vcl::Window* pWindow = mpViewShell->GetWindow();
        if ( pWindow )
            aOutputSize = pWindow->GetOutputSizePixel();
        Point aPoint;
        Rectangle aVisRect( aPoint, aOutputSize );
        return aVisRect;
    }
    return Rectangle();
}

Rectangle ScPreviewViewForwarder::CorrectVisArea(const Rectangle& rVisArea) const
{
    Rectangle aVisArea(rVisArea);
    Point aPos = aVisArea.TopLeft(); // get first the position to remember negative positions after clipping

    vcl::Window* pWin = mpViewShell->GetWindow();
    if (pWin)
        aVisArea = pWin->GetWindowExtentsRelative(pWin).GetIntersection(aVisArea);

    sal_Int32 nX(aPos.getX());
    sal_Int32 nY(aPos.getY());

    if (nX > 0)
        nX = 0;
    else if (nX < 0)
        nX = -nX;
    if (nY > 0)
        nY = 0;
    else if (nY < 0)
        nY = -nY;
    aVisArea.SetPos(Point(nX, nY));

    return aVisArea;
}

class ScPreviewHeaderFooterViewForwarder : public ScPreviewViewForwarder
{
    bool            mbHeader;
public:
                        ScPreviewHeaderFooterViewForwarder(ScPreviewShell* pViewShell, bool bHeader);
    virtual             ~ScPreviewHeaderFooterViewForwarder();

    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
};

ScPreviewHeaderFooterViewForwarder::ScPreviewHeaderFooterViewForwarder(ScPreviewShell* pViewShell, bool bHeader)
    :
    ScPreviewViewForwarder(pViewShell),
    mbHeader(bHeader)
{
}

ScPreviewHeaderFooterViewForwarder::~ScPreviewHeaderFooterViewForwarder()
{
}

Rectangle ScPreviewHeaderFooterViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    if (mpViewShell)
    {
        const ScPreviewLocationData& rData = mpViewShell->GetLocationData();
        if ( mbHeader )
            rData.GetHeaderPosition( aVisArea );
        else
            rData.GetFooterPosition( aVisArea );

        aVisArea = CorrectVisArea(aVisArea);
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return aVisArea;
}

class ScPreviewCellViewForwarder : public ScPreviewViewForwarder
{
    ScAddress           maCellPos;
public:
                        ScPreviewCellViewForwarder(ScPreviewShell* pViewShell,
                            ScAddress aCellPos);
    virtual             ~ScPreviewCellViewForwarder();

    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
};

ScPreviewCellViewForwarder::ScPreviewCellViewForwarder(ScPreviewShell* pViewShell,
                                                       ScAddress aCellPos)
    :
    ScPreviewViewForwarder(pViewShell),
    maCellPos(aCellPos)
{
}

ScPreviewCellViewForwarder::~ScPreviewCellViewForwarder()
{
}

Rectangle ScPreviewCellViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    if (mpViewShell)
    {
        const ScPreviewLocationData& rData = mpViewShell->GetLocationData();
        aVisArea = rData.GetCellOutputRect(maCellPos);

        aVisArea = CorrectVisArea(aVisArea);
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return aVisArea;
}

class ScPreviewHeaderCellViewForwarder : public ScPreviewViewForwarder
{
    ScAddress           maCellPos;
    bool            mbColHeader;
public:
                        ScPreviewHeaderCellViewForwarder(ScPreviewShell* pViewShell,
                            ScAddress aCellPos,
                            bool bColHeader);
    virtual             ~ScPreviewHeaderCellViewForwarder();

    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
};

ScPreviewHeaderCellViewForwarder::ScPreviewHeaderCellViewForwarder(ScPreviewShell* pViewShell,
                                                                   ScAddress aCellPos,
                                                                   bool bColHeader)
    :
    ScPreviewViewForwarder(pViewShell),
    maCellPos(aCellPos),
    mbColHeader(bColHeader)
{
}

ScPreviewHeaderCellViewForwarder::~ScPreviewHeaderCellViewForwarder()
{
}

Rectangle ScPreviewHeaderCellViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    if (mpViewShell)
    {
        const ScPreviewLocationData& rData = mpViewShell->GetLocationData();
        aVisArea = rData.GetHeaderCellOutputRect(GetVisRect(), maCellPos, mbColHeader);

        aVisArea = CorrectVisArea(aVisArea);
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return aVisArea;
}

class ScPreviewNoteViewForwarder : public ScPreviewViewForwarder
{
    ScAddress           maCellPos;
    bool            mbNoteMark;
public:
                        ScPreviewNoteViewForwarder(ScPreviewShell* pViewShell,
                            ScAddress aCellPos,
                            bool bNoteMark);
    virtual             ~ScPreviewNoteViewForwarder();

    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
};

ScPreviewNoteViewForwarder::ScPreviewNoteViewForwarder(ScPreviewShell* pViewShell,
                                                                   ScAddress aCellPos,
                                                                   bool bNoteMark)
    :
    ScPreviewViewForwarder(pViewShell),
    maCellPos(aCellPos),
    mbNoteMark(bNoteMark)
{
}

ScPreviewNoteViewForwarder::~ScPreviewNoteViewForwarder()
{
}

Rectangle ScPreviewNoteViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    if (mpViewShell)
    {
        const ScPreviewLocationData& rData = mpViewShell->GetLocationData();
        aVisArea = rData.GetNoteInRangeOutputRect(GetVisRect(), mbNoteMark, maCellPos);

        aVisArea = CorrectVisArea(aVisArea);
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return aVisArea;
}

class ScEditViewForwarder : public SvxEditViewForwarder
{
    EditView*           mpEditView;
    vcl::Window*             mpWindow;
public:
                        ScEditViewForwarder(EditView* pEditView, vcl::Window* pWin);
    virtual             ~ScEditViewForwarder();

    virtual bool        IsValid() const SAL_OVERRIDE;
    virtual Rectangle   GetVisArea() const SAL_OVERRIDE;
    virtual Point       LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;
    virtual Point       PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;
    virtual bool        GetSelection( ESelection& rSelection ) const SAL_OVERRIDE;
    virtual bool        SetSelection( const ESelection& rSelection ) SAL_OVERRIDE;
    virtual bool        Copy() SAL_OVERRIDE;
    virtual bool        Cut() SAL_OVERRIDE;
    virtual bool        Paste() SAL_OVERRIDE;

    void                GrabFocus();

    void                SetInvalid();
};

ScEditViewForwarder::ScEditViewForwarder(EditView* pEditView, vcl::Window* pWin)
    : mpEditView(pEditView),
    mpWindow(pWin)
{
    GrabFocus();
}

ScEditViewForwarder::~ScEditViewForwarder()
{
}

bool ScEditViewForwarder::IsValid() const
{
    return mpWindow && mpEditView;
}

Rectangle ScEditViewForwarder::GetVisArea() const
{
    Rectangle aVisArea;
    if (IsValid() && mpEditView->GetEditEngine())
    {
        MapMode aMapMode(mpEditView->GetEditEngine()->GetRefMapMode());

        aVisArea = mpWindow->LogicToPixel( mpEditView->GetVisArea(), aMapMode );
    }
    else
    {
        OSL_FAIL("this EditViewForwarder is no longer valid");
    }
    return aVisArea;
}

Point ScEditViewForwarder::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpWindow)
        return mpWindow->LogicToPixel( rPoint, rMapMode );
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

Point ScEditViewForwarder::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const
{
    if (mpWindow)
        return mpWindow->PixelToLogic( rPoint, rMapMode );
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return Point();
}

bool ScEditViewForwarder::GetSelection( ESelection& rSelection ) const
{
    bool bResult(false);
    if (IsValid())
    {
        rSelection = mpEditView->GetSelection();
        bResult = true;
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return bResult;
}

bool ScEditViewForwarder::SetSelection( const ESelection& rSelection )
{
    bool bResult(false);
    if (IsValid())
    {
        mpEditView->SetSelection(rSelection);
        bResult = true;
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return bResult;
}

bool ScEditViewForwarder::Copy()
{
    bool bResult(false);
    if (IsValid())
    {
        mpEditView->Copy();
        bResult = true;
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return bResult;
}

bool ScEditViewForwarder::Cut()
{
    bool bResult(false);
    if (IsValid())
    {
        mpEditView->Cut();
        bResult = true;
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return bResult;
}

bool ScEditViewForwarder::Paste()
{
    bool bResult(false);
    if (IsValid())
    {
        mpEditView->Paste();
        bResult = true;
    }
    else
    {
        OSL_FAIL("this ViewForwarder is not valid");
    }
    return bResult;
}

void ScEditViewForwarder::GrabFocus()
{
}

void ScEditViewForwarder::SetInvalid()
{
    mpWindow = NULL;
    mpEditView = NULL;
}

//  ScAccessibleCellTextData: shared data between sub objects of a accessible cell text object

ScAccessibleCellTextData::ScAccessibleCellTextData(ScTabViewShell* pViewShell,
        const ScAddress& rP, ScSplitPos eSplitPos, ScAccessibleCell* pAccCell)
    : ScAccessibleCellBaseTextData(GetDocShell(pViewShell), rP),
    mpViewForwarder(NULL),
    mpEditViewForwarder(NULL),
    mpViewShell(pViewShell),
    meSplitPos(eSplitPos),
    mpAccessibleCell( pAccCell )
{
}

ScAccessibleCellTextData::~ScAccessibleCellTextData()
{
    if (pEditEngine)
        pEditEngine->SetNotifyHdl(Link());
    if (mpViewForwarder)
        delete mpViewForwarder;
    if (mpEditViewForwarder)
        delete mpEditViewForwarder;
}

void ScAccessibleCellTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
    if ( pSimpleHint )
    {
        sal_uLong nId = pSimpleHint->GetId();
        if ( nId == SFX_HINT_DYING )
        {
            mpViewShell = NULL;                     // invalid now
            if (mpViewForwarder)
                mpViewForwarder->SetInvalid();
            if (mpEditViewForwarder)
                mpEditViewForwarder->SetInvalid();
        }
    }
    ScAccessibleCellBaseTextData::Notify(rBC, rHint);
}

ScAccessibleTextData* ScAccessibleCellTextData::Clone() const
{
    return new ScAccessibleCellTextData( mpViewShell, aCellPos, meSplitPos, mpAccessibleCell );
}

void ScAccessibleCellTextData::GetCellText(const ScAddress& rCellPos, OUString& rText)
{
//  #104893#; don't use the input string
//    ScCellTextData::GetCellText(rCellPos, rText);
    ScDocument& rDoc = pDocShell->GetDocument();
    //  #104893#; use the displayed string
    rText = rDoc.GetString(rCellPos.Col(), rCellPos.Row(), rCellPos.Tab());
    if (mpViewShell)
    {
        const ScViewOptions& aOptions = mpViewShell->GetViewData().GetOptions();
        CellType aCellType;
        rDoc.GetCellType(rCellPos.Col(), rCellPos.Row(), rCellPos.Tab(), aCellType);
        if (aCellType == CELLTYPE_FORMULA && aOptions.GetOption( VOPT_FORMULAS ))
        {
            rDoc.GetFormula( rCellPos.Col(), rCellPos.Row(), rCellPos.Tab(), rText);
        }
        else if (!aOptions.GetOption( VOPT_NULLVALS ))
        {
            if ((aCellType == CELLTYPE_VALUE || aCellType == CELLTYPE_FORMULA) && rDoc.GetValue(rCellPos) == 0.0)
                rText = "";
        }
    }
}

SvxTextForwarder* ScAccessibleCellTextData::GetTextForwarder()
{
    ScCellTextData::GetTextForwarder(); // creates Forwarder and EditEngine

    if ( pDocShell && pEditEngine && mpViewShell )
    {
        ScDocument& rDoc = pDocShell->GetDocument();
        long nSizeX, nSizeY;
        mpViewShell->GetViewData().GetMergeSizePixel(
            aCellPos.Col(), aCellPos.Row(), nSizeX, nSizeY);

        Size aSize(nSizeX, nSizeY);

        // #i92143# text getRangeExtents reports incorrect 'x' values for spreadsheet cells
        long nIndent = 0;
        const SvxHorJustifyItem* pHorJustifyItem = static_cast< const SvxHorJustifyItem* >(
            rDoc.GetAttr( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab(), ATTR_HOR_JUSTIFY ) );
        SvxCellHorJustify eHorJust = ( pHorJustifyItem ? static_cast< SvxCellHorJustify >( pHorJustifyItem->GetValue() ) : SVX_HOR_JUSTIFY_STANDARD );
        if ( eHorJust == SVX_HOR_JUSTIFY_LEFT )
        {
            const SfxUInt16Item* pIndentItem = static_cast< const SfxUInt16Item* >(
                rDoc.GetAttr( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab(), ATTR_INDENT ) );
            if ( pIndentItem )
            {
                nIndent = static_cast< long >( pIndentItem->GetValue() );
            }
        }

        const SvxMarginItem* pMarginItem = static_cast< const SvxMarginItem* >(
            rDoc.GetAttr( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab(), ATTR_MARGIN ) );
        ScViewData& rViewData = mpViewShell->GetViewData();
        double nPPTX = rViewData.GetPPTX();
        double nPPTY = rViewData.GetPPTY();
        long nLeftM = ( pMarginItem ? static_cast< long >( ( pMarginItem->GetLeftMargin() + nIndent ) * nPPTX ) : 0 );
        long nTopM = ( pMarginItem ? static_cast< long >( pMarginItem->GetTopMargin() * nPPTY ) : 0 );
        long nRightM = ( pMarginItem ? static_cast< long >( pMarginItem->GetRightMargin() * nPPTX ) : 0 );
        long nBottomM = ( pMarginItem ? static_cast< long >( pMarginItem->GetBottomMargin() * nPPTY ) : 0 );
        long nWidth = aSize.getWidth() - nLeftM - nRightM;
        aSize.setWidth( nWidth );
        aSize.setHeight( aSize.getHeight() - nTopM - nBottomM );

        vcl::Window* pWin = mpViewShell->GetWindowByPos( meSplitPos );
        if ( pWin )
        {
            aSize = pWin->PixelToLogic( aSize, pEditEngine->GetRefMapMode() );
        }

        /*  #i19430# Gnopernicus reads text partly if it sticks out of the cell
            boundaries. This leads to wrong results in cases where the cell text
            is rotated, because rotation is not taken into account when calcu-
            lating the visible part of the text. In these cases we will expand
            the cell size passed as paper size to the edit engine. The function
            accessibility::AccessibleStaticTextBase::GetParagraphBoundingBox()
            (see svx/source/accessibility/AccessibleStaticTextBase.cxx) will
            return the size of the complete text then, which is used to expand
            the cell bounding box in ScAccessibleCell::GetBoundingBox()
            (see sc/source/ui/Accessibility/AccessibleCell.cxx). */
        const SfxInt32Item* pItem = static_cast< const SfxInt32Item* >(
            rDoc.GetAttr( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab(), ATTR_ROTATE_VALUE ) );
        if( pItem && (pItem->GetValue() != 0) )
        {
            pEditEngine->SetPaperSize( Size( LONG_MAX, aSize.getHeight() ) );
            long nTxtWidth = static_cast< long >( pEditEngine->CalcTextWidth() );
            aSize.setWidth( std::max( aSize.getWidth(), nTxtWidth + 2 ) );
        }
        else
        {
            // #i92143# text getRangeExtents reports incorrect 'x' values for spreadsheet cells
            const SfxBoolItem* pLineBreakItem = static_cast< const SfxBoolItem* >(
                rDoc.GetAttr( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab(), ATTR_LINEBREAK ) );
            bool bLineBreak = ( pLineBreakItem && pLineBreakItem->GetValue() );
            if ( !bLineBreak )
            {
                long nTxtWidth = static_cast< long >( pEditEngine->CalcTextWidth() );
                aSize.setWidth( ::std::max( aSize.getWidth(), nTxtWidth ) );
            }
        }

        pEditEngine->SetPaperSize( aSize );

        // #i92143# text getRangeExtents reports incorrect 'x' values for spreadsheet cells
        if ( eHorJust == SVX_HOR_JUSTIFY_STANDARD && rDoc.HasValueData( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab() ) )
        {
            pEditEngine->SetDefaultItem( SvxAdjustItem( SVX_ADJUST_RIGHT, EE_PARA_JUST ) );
        }

        Size aTextSize;
        if ( pWin )
        {
            aTextSize = pWin->LogicToPixel( Size( pEditEngine->CalcTextWidth(), pEditEngine->GetTextHeight() ), pEditEngine->GetRefMapMode() );
        }
        long nTextWidth = aTextSize.Width();
        long nTextHeight = aTextSize.Height();

        long nOffsetX = nLeftM;
        long nDiffX = nTextWidth - nWidth;
        if ( nDiffX > 0 )
        {
            switch ( eHorJust )
            {
                case SVX_HOR_JUSTIFY_RIGHT:
                    {
                        nOffsetX -= nDiffX;
                    }
                    break;
                case SVX_HOR_JUSTIFY_CENTER:
                    {
                        nOffsetX -= nDiffX / 2;
                    }
                    break;
                default:
                    {
                    }
                    break;
            }
        }

        long nOffsetY = 0;
        const SvxVerJustifyItem* pVerJustifyItem = static_cast< const SvxVerJustifyItem* >(
            rDoc.GetAttr( aCellPos.Col(), aCellPos.Row(), aCellPos.Tab(), ATTR_VER_JUSTIFY ) );
        SvxCellVerJustify eVerJust = ( pVerJustifyItem ? static_cast< SvxCellVerJustify >( pVerJustifyItem->GetValue() ) : SVX_VER_JUSTIFY_STANDARD );
        switch ( eVerJust )
        {
            case SVX_VER_JUSTIFY_STANDARD:
            case SVX_VER_JUSTIFY_BOTTOM:
                {
                    nOffsetY = nSizeY - nBottomM - nTextHeight;
                }
                break;
            case SVX_VER_JUSTIFY_CENTER:
                {
                    nOffsetY = ( nSizeY - nTopM - nBottomM - nTextHeight ) / 2 + nTopM;
                }
                break;
            default:
                {
                    nOffsetY = nTopM;
                }
                break;
        }

        if ( mpAccessibleCell )
        {
            mpAccessibleCell->SetOffset( Point( nOffsetX, nOffsetY ) );
        }

        pEditEngine->SetNotifyHdl( LINK(this, ScAccessibleCellTextData, NotifyHdl) );
    }

    return pForwarder;
}

SvxViewForwarder* ScAccessibleCellTextData::GetViewForwarder()
{
    if (!mpViewForwarder)
        mpViewForwarder = new ScViewForwarder(mpViewShell, meSplitPos, aCellPos);
    return mpViewForwarder;
}

SvxEditViewForwarder* ScAccessibleCellTextData::GetEditViewForwarder( bool /* bCreate */ )
{
    //#102219#; there should no EditViewForwarder be, because the cell is now readonly in this interface
    return NULL;
}

IMPL_LINK(ScAccessibleTextData, NotifyHdl, EENotify*, aNotify)
{
    if( aNotify )
    {
        ::std::unique_ptr< SfxHint > aHint = SvxEditSourceHelper::EENotification2Hint( aNotify );

        if( aHint.get() )
            GetBroadcaster().Broadcast( *aHint.get() );
    }

    return 0;
}

ScDocShell* ScAccessibleCellTextData::GetDocShell(ScTabViewShell* pViewShell)
{
    ScDocShell* pDocSh = NULL;
    if (pViewShell)
        pDocSh = pViewShell->GetViewData().GetDocShell();
    return pDocSh;
}

ScAccessibleEditObjectTextData::ScAccessibleEditObjectTextData(EditView* pEditView, vcl::Window* pWin, bool isClone)
    :
    mpViewForwarder(NULL),
    mpEditViewForwarder(NULL),
    mpEditView(pEditView),
    mpEditEngine(pEditView ? pEditView->GetEditEngine() : 0),
    mpForwarder(NULL),
    mpWindow(pWin)
{
    // If the object is cloned, do NOT add notify hdl.
    mbIsCloned = isClone;
    if (mpEditEngine && !mbIsCloned)
        mpEditEngine->SetNotifyHdl( LINK(this, ScAccessibleEditObjectTextData, NotifyHdl) );
}

ScAccessibleEditObjectTextData::~ScAccessibleEditObjectTextData()
{
    // If the object is cloned, do NOT set notify hdl.
    if (mpEditEngine && !mbIsCloned)
        mpEditEngine->SetNotifyHdl(Link());
    if (mpViewForwarder)
        delete mpViewForwarder;
    if (mpEditViewForwarder)
        delete mpEditViewForwarder;
    if (mpForwarder)
        delete mpForwarder;
}

void ScAccessibleEditObjectTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
    if ( pSimpleHint )
    {
        sal_uLong nId = pSimpleHint->GetId();
        if ( nId == SFX_HINT_DYING )
        {
            mpWindow = NULL;
            mpEditView = NULL;
            mpEditEngine = NULL;
            DELETEZ(mpForwarder);
            if (mpViewForwarder)
                mpViewForwarder->SetInvalid();
            if (mpEditViewForwarder)
                mpEditViewForwarder->SetInvalid();
        }
    }
    ScAccessibleTextData::Notify(rBC, rHint);
}

ScAccessibleTextData* ScAccessibleEditObjectTextData::Clone() const
{
    // Add para to indicate the object is cloned
    return new ScAccessibleEditObjectTextData(mpEditView, mpWindow, true);
}

SvxTextForwarder* ScAccessibleEditObjectTextData::GetTextForwarder()
{
    if ((!mpForwarder && mpEditView) || (mpEditEngine && !mpEditEngine->GetNotifyHdl().IsSet()))
    {
        if (!mpEditEngine)
            mpEditEngine = mpEditView->GetEditEngine();
        // If the object is cloned, do NOT add notify hdl.
        if (mpEditEngine && !mpEditEngine->GetNotifyHdl().IsSet()&&!mbIsCloned)
            mpEditEngine->SetNotifyHdl( LINK(this, ScAccessibleEditObjectTextData, NotifyHdl) );
        if(!mpForwarder)
            mpForwarder = new SvxEditEngineForwarder(*mpEditEngine);
    }
    return mpForwarder;
}

SvxViewForwarder* ScAccessibleEditObjectTextData::GetViewForwarder()
{
    if (!mpViewForwarder)
    {
        // i#49561 Get right-aligned cell content to be read by screenreader.
        mpViewForwarder = new ScEditObjectViewForwarder( mpWindow, mpEditView );
    }
    return mpViewForwarder;
}

SvxEditViewForwarder* ScAccessibleEditObjectTextData::GetEditViewForwarder( bool bCreate )
{
    if (!mpEditViewForwarder && mpEditView)
        mpEditViewForwarder = new ScEditViewForwarder(mpEditView, mpWindow);
    if (bCreate)
    {
        if (!mpEditView && mpEditViewForwarder)
        {
            DELETEZ(mpEditViewForwarder);
        }
        else if (mpEditViewForwarder)
            mpEditViewForwarder->GrabFocus();
    }
    return mpEditViewForwarder;
}

IMPL_LINK(ScAccessibleEditObjectTextData, NotifyHdl, EENotify*, aNotify)
{
    if( aNotify )
    {
        ::std::unique_ptr< SfxHint > aHint = SvxEditSourceHelper::EENotification2Hint( aNotify );

        if( aHint.get() )
            GetBroadcaster().Broadcast( *aHint.get() );
    }

    return 0;
}

ScAccessibleEditLineTextData::ScAccessibleEditLineTextData(EditView* pEditView, vcl::Window* pWin)
    :
    ScAccessibleEditObjectTextData(pEditView, pWin),
    mbEditEngineCreated(false)
{
    ScTextWnd* pTxtWnd = dynamic_cast<ScTextWnd*>( pWin );

    if (pTxtWnd)
        pTxtWnd->InsertAccessibleTextData( *this );
}

ScAccessibleEditLineTextData::~ScAccessibleEditLineTextData()
{
    ScTextWnd* pTxtWnd = dynamic_cast< ScTextWnd* >(mpWindow);

    if (pTxtWnd)
        pTxtWnd->RemoveAccessibleTextData( *this );

    if (mbEditEngineCreated && mpEditEngine)
    {
        delete mpEditEngine;
        mpEditEngine = NULL;    // don't access in ScAccessibleEditObjectTextData dtor!
    }
    else if (pTxtWnd && pTxtWnd->GetEditView() && pTxtWnd->GetEditView()->GetEditEngine())
    {
        //  the NotifyHdl also has to be removed from the ScTextWnd's EditEngine
        //  (it's set in ScAccessibleEditLineTextData::GetTextForwarder, and mpEditEngine
        //  is reset there)
        pTxtWnd->GetEditView()->GetEditEngine()->SetNotifyHdl(Link());
    }
}

void ScAccessibleEditLineTextData::Dispose()
{
    ScTextWnd* pTxtWnd = dynamic_cast<ScTextWnd*>(mpWindow);

    if (pTxtWnd)
        pTxtWnd->RemoveAccessibleTextData( *this );

    ResetEditMode();
    mpWindow = NULL;
}

ScAccessibleTextData* ScAccessibleEditLineTextData::Clone() const
{
    return new ScAccessibleEditLineTextData(mpEditView, mpWindow);
}

SvxTextForwarder* ScAccessibleEditLineTextData::GetTextForwarder()
{
    ScTextWnd* pTxtWnd = dynamic_cast<ScTextWnd*>(mpWindow);

    if (pTxtWnd)
    {
        mpEditView = pTxtWnd->GetEditView();
        if (mpEditView)
        {
            if (mbEditEngineCreated && mpEditEngine)
                ResetEditMode();
            mbEditEngineCreated = false;

            mpEditView = pTxtWnd->GetEditView();
            ScAccessibleEditObjectTextData::GetTextForwarder(); // fill the mpForwarder
            mpEditEngine = NULL;
        }
        else
        {
            if (mpEditEngine && !mbEditEngineCreated)
                ResetEditMode();
            if (!mpEditEngine)
            {
                SfxItemPool* pEnginePool = EditEngine::CreatePool();
                pEnginePool->FreezeIdRanges();
                mpEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);
                mbEditEngineCreated = true;
                mpEditEngine->EnableUndo( false );
                mpEditEngine->SetRefMapMode( MAP_100TH_MM );
                mpForwarder = new SvxEditEngineForwarder(*mpEditEngine);

                mpEditEngine->SetText(pTxtWnd->GetTextString());

                Size aSize(pTxtWnd->GetSizePixel());

                aSize = pTxtWnd->PixelToLogic(aSize, mpEditEngine->GetRefMapMode());

                mpEditEngine->SetPaperSize(aSize);

                mpEditEngine->SetNotifyHdl( LINK(this, ScAccessibleEditObjectTextData, NotifyHdl) );
            }
        }
    }
    return mpForwarder;
}

SvxEditViewForwarder* ScAccessibleEditLineTextData::GetEditViewForwarder( bool bCreate )
{
    ScTextWnd* pTxtWnd = dynamic_cast<ScTextWnd*>(mpWindow);

    if (pTxtWnd)
    {
        mpEditView = pTxtWnd->GetEditView();
        if (!mpEditView && bCreate)
        {
            if ( !pTxtWnd->IsInputActive() )
            {
                pTxtWnd->StartEditEngine();
                pTxtWnd->GrabFocus();

                mpEditView = pTxtWnd->GetEditView();
            }
        }
    }

    return ScAccessibleEditObjectTextData::GetEditViewForwarder(bCreate);
}

void ScAccessibleEditLineTextData::ResetEditMode()
{
    ScTextWnd* pTxtWnd = dynamic_cast<ScTextWnd*>(mpWindow);

    if (mbEditEngineCreated && mpEditEngine)
        delete mpEditEngine;
    else if (pTxtWnd && pTxtWnd->GetEditView() && pTxtWnd->GetEditView()->GetEditEngine())
        pTxtWnd->GetEditView()->GetEditEngine()->SetNotifyHdl(Link());
    mpEditEngine = NULL;

    DELETEZ(mpForwarder);
    DELETEZ(mpEditViewForwarder);
    DELETEZ(mpViewForwarder);
    mbEditEngineCreated = false;
}

void ScAccessibleEditLineTextData::TextChanged()
{
    if (mbEditEngineCreated && mpEditEngine)
    {
        ScTextWnd* pTxtWnd = dynamic_cast<ScTextWnd*>(mpWindow);

        if (pTxtWnd)
            mpEditEngine->SetText(pTxtWnd->GetTextString());
    }
}

void ScAccessibleEditLineTextData::StartEdit()
{
    ResetEditMode();
    mpEditView = NULL;

    // send HINT_BEGEDIT
    SdrHint aHint(HINT_BEGEDIT);
    GetBroadcaster().Broadcast( aHint );
}

void ScAccessibleEditLineTextData::EndEdit()
{
    // send HINT_ENDEDIT
    SdrHint aHint(HINT_ENDEDIT);
    GetBroadcaster().Broadcast( aHint );

    ResetEditMode();
    mpEditView = NULL;
}

//  ScAccessiblePreviewCellTextData: shared data between sub objects of a accessible cell text object

ScAccessiblePreviewCellTextData::ScAccessiblePreviewCellTextData(ScPreviewShell* pViewShell,
                            const ScAddress& rP)
    : ScAccessibleCellBaseTextData(GetDocShell(pViewShell), rP),
    mpViewForwarder(NULL),
    mpViewShell(pViewShell)
{
}

ScAccessiblePreviewCellTextData::~ScAccessiblePreviewCellTextData()
{
    if (pEditEngine)
        pEditEngine->SetNotifyHdl(Link());
    if (mpViewForwarder)
        delete mpViewForwarder;
}

void ScAccessiblePreviewCellTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
    if ( pSimpleHint )
    {
        sal_uLong nId = pSimpleHint->GetId();
        if ( nId == SFX_HINT_DYING )
        {
            mpViewShell = NULL;                     // invalid now
            if (mpViewForwarder)
                mpViewForwarder->SetInvalid();
        }
    }
    ScAccessibleCellBaseTextData::Notify(rBC, rHint);
}

ScAccessibleTextData* ScAccessiblePreviewCellTextData::Clone() const
{
    return new ScAccessiblePreviewCellTextData(mpViewShell, aCellPos);
}

SvxTextForwarder* ScAccessiblePreviewCellTextData::GetTextForwarder()
{
    bool bEditEngineBefore(pEditEngine != NULL);

    ScCellTextData::GetTextForwarder(); // creates Forwarder and EditEngine

    if (!bEditEngineBefore && pEditEngine)
    {
        Size aSize(mpViewShell->GetLocationData().GetCellOutputRect(aCellPos).GetSize());
        vcl::Window* pWin = mpViewShell->GetWindow();
        if (pWin)
            aSize = pWin->PixelToLogic(aSize, pEditEngine->GetRefMapMode());
        pEditEngine->SetPaperSize(aSize);
    }

    if (pEditEngine)
        pEditEngine->SetNotifyHdl( LINK(this, ScAccessiblePreviewCellTextData, NotifyHdl) );

    return pForwarder;
}

SvxViewForwarder* ScAccessiblePreviewCellTextData::GetViewForwarder()
{
    if (!mpViewForwarder)
        mpViewForwarder = new ScPreviewCellViewForwarder(mpViewShell, aCellPos);
    return mpViewForwarder;
}

ScDocShell* ScAccessiblePreviewCellTextData::GetDocShell(ScPreviewShell* pViewShell)
{
    ScDocShell* pDocSh = NULL;
    if (pViewShell)
        pDocSh = static_cast<ScDocShell*>( pViewShell->GetDocument().GetDocumentShell());
    return pDocSh;
}

//  ScAccessiblePreviewHeaderCellTextData: shared data between sub objects of a accessible cell text object

ScAccessiblePreviewHeaderCellTextData::ScAccessiblePreviewHeaderCellTextData(ScPreviewShell* pViewShell,
            const OUString& rText, const ScAddress& rP, bool bColHeader, bool bRowHeader)
    : ScAccessibleCellBaseTextData(GetDocShell(pViewShell), rP),
    mpViewForwarder(NULL),
    mpViewShell(pViewShell),
    maText(rText),
    mbColHeader(bColHeader),
    mbRowHeader(bRowHeader)
{
}

ScAccessiblePreviewHeaderCellTextData::~ScAccessiblePreviewHeaderCellTextData()
{
    if (pEditEngine)
        pEditEngine->SetNotifyHdl(Link());
    if (mpViewForwarder)
        delete mpViewForwarder;
}

void ScAccessiblePreviewHeaderCellTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
    if ( pSimpleHint )
    {
        sal_uLong nId = pSimpleHint->GetId();
        if ( nId == SFX_HINT_DYING )
        {
            mpViewShell = NULL;                     // invalid now
            if (mpViewForwarder)
                mpViewForwarder->SetInvalid();
        }
    }
    ScAccessibleCellBaseTextData::Notify(rBC, rHint);
}

ScAccessibleTextData* ScAccessiblePreviewHeaderCellTextData::Clone() const
{
    return new ScAccessiblePreviewHeaderCellTextData(mpViewShell, maText, aCellPos, mbColHeader, mbRowHeader);
}

SvxTextForwarder* ScAccessiblePreviewHeaderCellTextData::GetTextForwarder()
{
    if (!pEditEngine)
    {
        if ( pDocShell )
        {
            ScDocument& rDoc = pDocShell->GetDocument();
            pEditEngine = rDoc.CreateFieldEditEngine();
        }
        else
        {
            SfxItemPool* pEnginePool = EditEngine::CreatePool();
            pEnginePool->FreezeIdRanges();
            pEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);
        }
        pEditEngine->EnableUndo( false );
        if (pDocShell)
            pEditEngine->SetRefDevice(pDocShell->GetRefDevice());
        else
            pEditEngine->SetRefMapMode( MAP_100TH_MM );
        pForwarder = new SvxEditEngineForwarder(*pEditEngine);
    }

    if (bDataValid)
        return pForwarder;

    if (!maText.isEmpty())
    {
        if ( mpViewShell  )
        {
            Size aOutputSize;
            vcl::Window* pWindow = mpViewShell->GetWindow();
            if ( pWindow )
                aOutputSize = pWindow->GetOutputSizePixel();
            Point aPoint;
            Rectangle aVisRect( aPoint, aOutputSize );
            Size aSize(mpViewShell->GetLocationData().GetHeaderCellOutputRect(aVisRect, aCellPos, mbColHeader).GetSize());
            if (pWindow)
                aSize = pWindow->PixelToLogic(aSize, pEditEngine->GetRefMapMode());
            pEditEngine->SetPaperSize(aSize);
        }
        pEditEngine->SetText( maText );
    }

    bDataValid = true;

    pEditEngine->SetNotifyHdl( LINK(this, ScAccessiblePreviewHeaderCellTextData, NotifyHdl) );

    return pForwarder;
}

SvxViewForwarder* ScAccessiblePreviewHeaderCellTextData::GetViewForwarder()
{
    if (!mpViewForwarder)
        mpViewForwarder = new ScPreviewHeaderCellViewForwarder(mpViewShell, aCellPos, mbColHeader);
    return mpViewForwarder;
}

ScDocShell* ScAccessiblePreviewHeaderCellTextData::GetDocShell(ScPreviewShell* pViewShell)
{
    ScDocShell* pDocSh = NULL;
    if (pViewShell)
        pDocSh = static_cast<ScDocShell*>(pViewShell->GetDocument().GetDocumentShell());
    return pDocSh;
}

ScAccessibleHeaderTextData::ScAccessibleHeaderTextData(ScPreviewShell* pViewShell,
                            const EditTextObject* pEditObj, bool bHeader, SvxAdjust eAdjust)
    :
    mpViewForwarder(NULL),
    mpViewShell(pViewShell),
    mpEditEngine(NULL),
    mpForwarder(NULL),
    mpDocSh(NULL),
    mpEditObj(pEditObj),
    mbHeader(bHeader),
    mbDataValid(false),
    meAdjust(eAdjust)
{
    if (pViewShell)
        mpDocSh = static_cast<ScDocShell*>(pViewShell->GetDocument().GetDocumentShell());
    if (mpDocSh)
        mpDocSh->GetDocument().AddUnoObject(*this);
}

ScAccessibleHeaderTextData::~ScAccessibleHeaderTextData()
{
    SolarMutexGuard aGuard;     //  needed for EditEngine dtor

    if (mpDocSh)
        mpDocSh->GetDocument().RemoveUnoObject(*this);
    if (mpEditEngine)
        mpEditEngine->SetNotifyHdl(Link());
    delete mpEditEngine;
    delete mpForwarder;
}

ScAccessibleTextData* ScAccessibleHeaderTextData::Clone() const
{
    return new ScAccessibleHeaderTextData(mpViewShell, mpEditObj, mbHeader, meAdjust);
}

void ScAccessibleHeaderTextData::Notify( SfxBroadcaster&, const SfxHint& rHint )
{
    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
    if ( pSimpleHint )
    {
        sal_uLong nId = pSimpleHint->GetId();
        if ( nId == SFX_HINT_DYING )
        {
            mpViewShell = NULL;// invalid now
            mpDocSh = NULL;
            if (mpViewForwarder)
                mpViewForwarder->SetInvalid();
        }
    }
}

SvxTextForwarder* ScAccessibleHeaderTextData::GetTextForwarder()
{
    if (!mpEditEngine)
    {
        SfxItemPool* pEnginePool = EditEngine::CreatePool();
        pEnginePool->FreezeIdRanges();
        ScHeaderEditEngine* pHdrEngine = new ScHeaderEditEngine( pEnginePool, true );

        pHdrEngine->EnableUndo( false );
        pHdrEngine->SetRefMapMode( MAP_TWIP );

        //  default font must be set, independently of document
        //  -> use global pool from module

        SfxItemSet aDefaults( pHdrEngine->GetEmptyItemSet() );
        const ScPatternAttr& rPattern = static_cast<const ScPatternAttr&>(SC_MOD()->GetPool().GetDefaultItem(ATTR_PATTERN));
        rPattern.FillEditItemSet( &aDefaults );
        //  FillEditItemSet adjusts font height to 1/100th mm,
        //  but for header/footer twips is needed, as in the PatternAttr:
        aDefaults.Put( rPattern.GetItem(ATTR_FONT_HEIGHT), EE_CHAR_FONTHEIGHT );
        aDefaults.Put( rPattern.GetItem(ATTR_CJK_FONT_HEIGHT), EE_CHAR_FONTHEIGHT_CJK );
        aDefaults.Put( rPattern.GetItem(ATTR_CTL_FONT_HEIGHT), EE_CHAR_FONTHEIGHT_CTL );
        aDefaults.Put( SvxAdjustItem( meAdjust, EE_PARA_JUST ) );
        pHdrEngine->SetDefaults( aDefaults );

        ScHeaderFieldData aData;
        if (mpViewShell)
            mpViewShell->FillFieldData(aData);
        else
            ScHeaderFooterTextObj::FillDummyFieldData( aData );
        pHdrEngine->SetData( aData );

        mpEditEngine = pHdrEngine;
        mpForwarder = new SvxEditEngineForwarder(*mpEditEngine);
    }

    if (mbDataValid)
        return mpForwarder;

    if ( mpViewShell  )
    {
        Rectangle aVisRect;
        mpViewShell->GetLocationData().GetHeaderPosition(aVisRect);
        Size aSize(aVisRect.GetSize());
        vcl::Window* pWin = mpViewShell->GetWindow();
        if (pWin)
            aSize = pWin->PixelToLogic(aSize, mpEditEngine->GetRefMapMode());
        mpEditEngine->SetPaperSize(aSize);
    }
    if (mpEditObj)
        mpEditEngine->SetText(*mpEditObj);

    mbDataValid = true;
    return mpForwarder;
}

SvxViewForwarder* ScAccessibleHeaderTextData::GetViewForwarder()
{
    if (!mpViewForwarder)
        mpViewForwarder = new ScPreviewHeaderFooterViewForwarder(mpViewShell, mbHeader);
    return mpViewForwarder;
}

ScAccessibleNoteTextData::ScAccessibleNoteTextData(ScPreviewShell* pViewShell,
                            const OUString& sText, const ScAddress& aCellPos, bool bMarkNote)
    :
    mpViewForwarder(NULL),
    mpViewShell(pViewShell),
    mpEditEngine(NULL),
    mpForwarder(NULL),
    mpDocSh(NULL),
    msText(sText),
    maCellPos(aCellPos),
    mbMarkNote(bMarkNote),
    mbDataValid(false)
{
    if (pViewShell)
        mpDocSh = static_cast<ScDocShell*>(pViewShell->GetDocument().GetDocumentShell());
    if (mpDocSh)
        mpDocSh->GetDocument().AddUnoObject(*this);
}

ScAccessibleNoteTextData::~ScAccessibleNoteTextData()
{
    SolarMutexGuard aGuard;     //  needed for EditEngine dtor

    if (mpDocSh)
        mpDocSh->GetDocument().RemoveUnoObject(*this);
    if (mpEditEngine)
        mpEditEngine->SetNotifyHdl(Link());
    delete mpEditEngine;
    delete mpForwarder;
}

ScAccessibleTextData* ScAccessibleNoteTextData::Clone() const
{
    return new ScAccessibleNoteTextData(mpViewShell, msText, maCellPos, mbMarkNote);
}

void ScAccessibleNoteTextData::Notify( SfxBroadcaster&, const SfxHint& rHint )
{
    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
    if ( pSimpleHint )
    {
        sal_uLong nId = pSimpleHint->GetId();
        if ( nId == SFX_HINT_DYING )
        {
            mpViewShell = NULL;// invalid now
            mpDocSh = NULL;
            if (mpViewForwarder)
                mpViewForwarder->SetInvalid();
        }
    }
}

SvxTextForwarder* ScAccessibleNoteTextData::GetTextForwarder()
{
    if (!mpEditEngine)
    {
        if ( mpDocSh )
        {
            ScDocument& rDoc = mpDocSh->GetDocument();
            mpEditEngine = rDoc.CreateFieldEditEngine();
        }
        else
        {
            SfxItemPool* pEnginePool = EditEngine::CreatePool();
            pEnginePool->FreezeIdRanges();
            mpEditEngine = new ScFieldEditEngine(NULL, pEnginePool, NULL, true);
        }
        mpEditEngine->EnableUndo( false );
        if (mpDocSh)
            mpEditEngine->SetRefDevice(mpDocSh->GetRefDevice());
        else
            mpEditEngine->SetRefMapMode( MAP_100TH_MM );
        mpForwarder = new SvxEditEngineForwarder(*mpEditEngine);
    }

    if (mbDataValid)
        return mpForwarder;

    if (!msText.isEmpty())
    {

        if ( mpViewShell  )
        {
            Size aOutputSize;
            vcl::Window* pWindow = mpViewShell->GetWindow();
            if ( pWindow )
                aOutputSize = pWindow->GetOutputSizePixel();
            Point aPoint;
            Rectangle aVisRect( aPoint, aOutputSize );
            Size aSize(mpViewShell->GetLocationData().GetNoteInRangeOutputRect(aVisRect, mbMarkNote, maCellPos).GetSize());
            if (pWindow)
                aSize = pWindow->PixelToLogic(aSize, mpEditEngine->GetRefMapMode());
            mpEditEngine->SetPaperSize(aSize);
        }
        mpEditEngine->SetText( msText );
    }

    mbDataValid = true;

    mpEditEngine->SetNotifyHdl( LINK(this, ScAccessibleNoteTextData, NotifyHdl) );

    return mpForwarder;
}

SvxViewForwarder* ScAccessibleNoteTextData::GetViewForwarder()
{
    if (!mpViewForwarder)
        mpViewForwarder = new ScPreviewNoteViewForwarder(mpViewShell, maCellPos, mbMarkNote);
    return mpViewForwarder;
}

// CSV import =================================================================

class ScCsvViewForwarder : public SvxViewForwarder
{
    Rectangle                   maBoundBox;
    vcl::Window*                     mpWindow;

public:
    explicit                    ScCsvViewForwarder( vcl::Window* pWindow, const Rectangle& rBoundBox );

    virtual bool                IsValid() const SAL_OVERRIDE;
    virtual Rectangle           GetVisArea() const SAL_OVERRIDE;
    virtual Point               LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;
    virtual Point               PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const SAL_OVERRIDE;

    void                        SetInvalid();
};

ScCsvViewForwarder::ScCsvViewForwarder( vcl::Window* pWindow, const Rectangle& rBoundBox ) :
    maBoundBox( rBoundBox ),
    mpWindow( pWindow )
{
}

bool ScCsvViewForwarder::IsValid() const
{
    return mpWindow != NULL;
}

Rectangle ScCsvViewForwarder::GetVisArea() const
{
    return maBoundBox;
}

Point ScCsvViewForwarder::LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const
{
    if( !mpWindow ) return Point();
    return mpWindow->LogicToPixel( rPoint, rMapMode );
}

Point ScCsvViewForwarder::PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const
{
    if( !mpWindow ) return Point();
    return mpWindow->PixelToLogic( rPoint, rMapMode );
}

void ScCsvViewForwarder::SetInvalid()
{
    mpWindow = NULL;
}

ScAccessibleCsvTextData::ScAccessibleCsvTextData(
        vcl::Window* pWindow, EditEngine* pEditEngine,
        const OUString& rCellText, const Rectangle& rBoundBox, const Size& rCellSize ) :
    mpWindow( pWindow ),
    mpEditEngine( pEditEngine ),
    maCellText( rCellText ),
    maBoundBox( rBoundBox ),
    maCellSize( rCellSize )
{
}

ScAccessibleCsvTextData::~ScAccessibleCsvTextData()
{
}

void ScAccessibleCsvTextData::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
    if ( pSimpleHint )
    {
        sal_uLong nId = pSimpleHint->GetId();
        if( nId == SFX_HINT_DYING )
        {
            mpWindow = NULL;
            mpEditEngine = NULL;
            if (mpViewForwarder.get())
                mpViewForwarder->SetInvalid();
        }
    }
    ScAccessibleTextData::Notify( rBC, rHint );
}

ScAccessibleTextData* ScAccessibleCsvTextData::Clone() const
{
    return new ScAccessibleCsvTextData( mpWindow, mpEditEngine, maCellText, maBoundBox, maCellSize );
}

SvxTextForwarder* ScAccessibleCsvTextData::GetTextForwarder()
{
    if( mpEditEngine )
    {
        mpEditEngine->SetPaperSize( maCellSize );
        mpEditEngine->SetText( maCellText );
        if( !mpTextForwarder.get() )
            mpTextForwarder.reset( new SvxEditEngineForwarder( *mpEditEngine ) );
    }
    else
        mpTextForwarder.reset();
    return mpTextForwarder.get();
}

SvxViewForwarder* ScAccessibleCsvTextData::GetViewForwarder()
{
    if( !mpViewForwarder.get() )
        mpViewForwarder.reset( new ScCsvViewForwarder( mpWindow, maBoundBox ) );
    return mpViewForwarder.get();
}

SvxEditViewForwarder* ScAccessibleCsvTextData::GetEditViewForwarder( bool /* bCreate */ )
{
    return NULL;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */