/* -*- 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 .

 */

#pragma once

#include <controls/table/tabletypes.hxx>

#include <tools/gen.hxx>

namespace svt::table

{

    class TableControl_Impl;

    //= TableGeometry

    class TableGeometry

    {

    protected:

        const TableControl_Impl&    m_rControl;

        const tools::Rectangle&            m_rBoundaries;

        tools::Rectangle                   m_aRect;

    protected:

        TableGeometry(

                const TableControl_Impl& _rControl,

                const tools::Rectangle& _rBoundaries

            )

            :m_rControl( _rControl )

            ,m_rBoundaries( _rBoundaries )

            ,m_aRect( _rBoundaries )

        {

        }

    public:

        // attribute access

        const TableControl_Impl&    getControl() const      { return m_rControl; }

        // status

        const tools::Rectangle&    getRect() const { return m_aRect; }

        bool                isValid() const { return !m_aRect.GetIntersection( m_rBoundaries ).IsEmpty(); }

    };

    //= TableRowGeometry

    class TableRowGeometry final : public TableGeometry

    {

    public:

        TableRowGeometry(

            TableControl_Impl const & _rControl,

            tools::Rectangle const & _rBoundaries,

            RowPos const _nRow,

            bool const i_allowVirtualRows = false

                // allow rows >= getRowCount()?

        );

        // status

        RowPos              getRow() const  { return m_nRowPos; }

        // operations

        bool                moveDown();

    private:

        void    impl_initRect();

        bool    impl_isValidRow( RowPos const i_row ) const;

        RowPos  m_nRowPos;

        bool    m_bAllowVirtualRows;

    };

    //= TableColumnGeometry

    class TableColumnGeometry final : public TableGeometry

    {

    public:

        TableColumnGeometry(

            TableControl_Impl const & _rControl,

            tools::Rectangle const & _rBoundaries,

            ColPos const _nCol

        );

        // status

        ColPos              getCol() const  { return m_nColPos; }

        // operations

        bool                moveRight();

    private:

        void    impl_initRect();

        bool    impl_isValidColumn( ColPos const i_column ) const;

        ColPos  m_nColPos;

    };

    //= TableCellGeometry

    /** a helper representing geometry information of a cell

    */

    class TableCellGeometry

    {

    private:

        TableRowGeometry    m_aRow;

        TableColumnGeometry m_aCol;

    public:

        TableCellGeometry(

                TableControl_Impl const & _rControl,

                tools::Rectangle const & _rBoundaries,

                ColPos const _nCol,

                RowPos const _nRow

            )

            :m_aRow( _rControl, _rBoundaries, _nRow, false/*allowVirtualCells*/ )

            ,m_aCol( _rControl, _rBoundaries, _nCol )

        {

        }

        TableCellGeometry(

                const TableRowGeometry& _rRow,

                ColPos _nCol

            )

            :m_aRow( _rRow )

            ,m_aCol( _rRow.getControl(), _rRow.getRect(), _nCol )

        {

        }

        tools::Rectangle   getRect() const     { return m_aRow.getRect().GetIntersection( m_aCol.getRect() ); }

        ColPos      getColumn() const   { return m_aCol.getCol(); }

        bool        isValid() const     { return !getRect().IsEmpty(); }

        bool        moveRight()     {return m_aCol.moveRight(); }

    };

} // namespace svt::table

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