/* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */

/* libmwaw

* Version: MPL 2.0 / LGPLv2+

*

* The contents of this file are subject to the Mozilla Public License Version

* 2.0 (the "License"); you may not use this file except in compliance with

* the License or as specified alternatively below. You may obtain a copy of

* the License at http://www.mozilla.org/MPL/

*

* Software distributed under the License is distributed on an "AS IS" basis,

* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

* for the specific language governing rights and limitations under the

* License.

*

* Major Contributor(s):

* Copyright (C) 2002 William Lachance (wrlach@gmail.com)

* Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)

* Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)

* Copyright (C) 2006, 2007 Andrew Ziem

* Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)

*

*

* All Rights Reserved.

*

* For minor contributions see the git repository.

*

* Alternatively, the contents of this file may be used under the terms of

* the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),

* in which case the provisions of the LGPLv2+ are applicable

* instead of those above.

*/

#ifndef MWAW_SECTION_H

#define MWAW_SECTION_H

#include <iostream>

#include <vector>

#include <librevenge/librevenge.h>

#include "libmwaw_internal.hxx"

/** a class which stores section properties */

class MWAWSection

{

public:

  struct Column;

  //! constructor

  MWAWSection()

    : m_columns()

    , m_width(0)

    , m_columnSeparator()

    , m_balanceText(false)

    , m_backgroundColor(MWAWColor::white())

  {

    m_columnSeparator.m_style=MWAWBorder::None;

  }

  MWAWSection(MWAWSection const &)=default;

  MWAWSection &operator=(MWAWSection const &)=default;

  MWAWSection &operator=(MWAWSection &&)=default;

  //! destructor

  virtual ~MWAWSection();

  /** a function which sets n uniform columns

  \note: this erases previous columns and border if there are some

   */

  void setColumns(int num, double width, librevenge::RVNGUnit widthUnit, double colSep=0);

  //! returns the number of columns

  int numColumns() const

  {

    return m_columns.empty() ? 1 : int(m_columns.size());

  }

  //! returns the true if the section has only one columns

  bool hasSingleColumns() const

  {

    return m_columns.size() <= 1;

  }

  //! add to the propList

  void addTo(librevenge::RVNGPropertyList &propList) const;

  //! add tabs to the propList

  void addColumnsTo(librevenge::RVNGPropertyListVector &propList) const;

  //! operator <<

  friend std::ostream &operator<<(std::ostream &o, MWAWSection const &sec);

  //! operator!=

  bool operator!=(MWAWSection const &sec) const

  {

    if (m_columns.size()!=sec.m_columns.size())

      return true;

    for (size_t c=0; c < m_columns.size(); c++) {

      if (m_columns[c] != sec.m_columns[c])

        return true;

    }

    if (m_columnSeparator != sec.m_columnSeparator)

      return true;

    if (m_balanceText!=sec.m_balanceText || m_backgroundColor!=sec.m_backgroundColor)

      return true;

    return false;

  }

  //! operator==

  bool operator==(MWAWSection const &sec) const

  {

    return !operator!=(sec);

  }

  //! the different column

  std::vector<Column> m_columns;

  //! the total section width ( if set )

  double m_width;

  /** the vertical separator between columns */

  MWAWBorder m_columnSeparator;

  //! true if the text is balanced between different columns

  bool m_balanceText;

  //! the background color

  MWAWColor m_backgroundColor;

public:

  /** struct to store the columns properties */

  struct Column {

    //! constructor

    Column()

      : m_width(0)

      , m_widthUnit(librevenge::RVNG_INCH)

    {

      for (auto &margin : m_margins) margin=0;

    }

    //! add a column to the propList

    bool addTo(librevenge::RVNGPropertyList &propList) const;

    //! operator <<

    friend std::ostream &operator<<(std::ostream &o, Column const &column);

    //! operator!=

    bool operator!=(Column const &col) const

    {

      if (m_width<col.m_width || m_width>col.m_width || m_widthUnit!=col.m_widthUnit)

        return true;

      for (int i = 0; i < 4; i++) {

        if (m_margins[i]<col.m_margins[i] || m_margins[i]>col.m_margins[i])

          return true;

      }

      return false;

    }

    //! operator==

    bool operator==(Column const &col) const

    {

      return !operator!=(col);

    }

    //! the columns width

    double m_width;

    /** the width unit (default inches) */

    librevenge::RVNGUnit m_widthUnit;

    //! the margins in inches using libmwaw::Position orders

    double m_margins[4];

  };

};

#endif

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