// -*- mode: c++; c-file-style: "linux"; c-basic-offset: 2; indent-tabs-mode:
// nil -*-
//
//  Copyright (C) 2014-2018 Gunter Königsmann <wxMaxima@physikbuch.de>
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//  SPDX-License-Identifier: GPL-2.0+

/*! \file
  This file defines the class BoxCell

  BoxCell is the Cell type that represents the field that represents the
  box() command.
*/

#include <utility>
#include <memory>
#include "BoxCell.h"
#include "CellImpl.h"

BoxCell::BoxCell(GroupCell *group, Configuration *config,
                             std::unique_ptr<Cell> &&inner)
  : Cell(group, config), m_innerCell(std::move(inner)) {
  InitBitFields();
  SetStyle(TS_VARIABLE);
}

// Old cppcheck bugs:
// cppcheck-suppress uninitMemberVar symbolName=BoxCell::m_open
// cppcheck-suppress uninitMemberVar symbolName=BoxCell::m_close
BoxCell::BoxCell(GroupCell *group, const BoxCell &cell)
  : BoxCell(group, cell.m_configuration,
		  CopyList(group, cell.m_innerCell.get())) {
  CopyCommonData(cell);
}

DEFINE_CELL(BoxCell)

void BoxCell::MakeBreakupCells() {
  if (m_open)
    return;
  m_open =
    std::make_unique<TextCell>(m_group, m_configuration, wxT("box("));
  static_cast<TextCell &>(*m_open).DontEscapeOpeningParenthesis();
  m_open->SetStyle(TS_FUNCTION);
  m_close = std::make_unique<TextCell>(m_group, m_configuration, wxT(")"));
}

void BoxCell::Recalculate(AFontSize fontsize) {
  m_innerCell->RecalculateList(fontsize);

  if (!IsBrokenIntoLines()) {
    m_width = m_innerCell->GetFullWidth() + Scale_Px(8);
    m_height = m_innerCell->GetHeightList() + Scale_Px(8);
    m_center = m_innerCell->GetCenterList() + Scale_Px(4);
  } else {
    // The BoxCell itself isn't displayed if it is broken into lines.
    // instead m_open, m_innerCell and m_close are => We can set our size to 0
    // in this case.
    m_width = 0;
    m_height = 0;
    m_center = 0;
    m_open->RecalculateList(fontsize);
    m_close->RecalculateList(fontsize);
  }
  Cell::Recalculate(fontsize);
}

void BoxCell::Draw(wxPoint point) {
  Cell::Draw(point);
  if (DrawThisCell(point)) {
    wxDC *dc = m_configuration->GetDC();
    SetPen();
    wxPoint in;
    in.x = point.x + Scale_Px(4);
    in.y = point.y;
    m_innerCell->DrawList(in);

    dc->DrawLine(
		 point.x + Scale_Px(2),
		 point.y - m_center + m_height - Scale_Px(2),
                 point.x + m_width - Scale_Px(2) - 1,
                 point.y - m_center + m_height - Scale_Px(2)
		 );
    dc->DrawLine(
		 point.x + Scale_Px(2),
		 point.y - m_center + Scale_Px(2),
                 point.x + m_width - Scale_Px(2) - 1,
                 point.y - m_center + Scale_Px(2)
		 );
    dc->DrawLine(
		 point.x + Scale_Px(2),
		 point.y - m_center + m_height - Scale_Px(2),
		 point.x + Scale_Px(2),
                 point.y - m_center + Scale_Px(2)
		 );
    dc->DrawLine(
                 point.x + m_width - Scale_Px(2) - 1,
		 point.y - m_center + Scale_Px(2),
                 point.x + m_width - Scale_Px(2) - 1,
                 point.y - m_center + m_height - Scale_Px(2)
		 );
  }
}

wxString BoxCell::ToString() const {
  if (IsBrokenIntoLines())
    return wxEmptyString;
  else
    return wxT("box(") + m_innerCell->ListToString() + wxT(")");
}

wxString BoxCell::ToMatlab() const {
  if (IsBrokenIntoLines())
    return wxEmptyString;
  else
    return wxT("box(") + m_innerCell->ListToMatlab() + wxT(")");
}

wxString BoxCell::ToTeX() const {
  if (IsBrokenIntoLines())
    return wxEmptyString;
  else
    return wxT("\\fbox{") + m_innerCell->ListToTeX() + wxT("}");
}

wxString BoxCell::ToMathML() const {
   return wxT("<apply><box/><ci>") + m_innerCell->ListToMathML() +
      wxT("</ci></apply>");
}

wxString BoxCell::ToOMML() const {
  return _T("<m:func><m:fName><m:r>box</m:r></m:fName><m:e>") +
    m_innerCell->ListToOMML() + _T("</m:e></m:func>");
}

wxString BoxCell::ToXML() const {
  wxString flags;
  if (HasHardLineBreak())
    flags += wxT(" breakline=\"true\"");

  return wxT("<hl") + flags + wxT(">") + m_innerCell->ListToXML() +
    wxT("</hl>");
}

bool BoxCell::BreakUp() {
  if (IsBrokenIntoLines())
    return false;

  MakeBreakupCells();
  Cell::BreakUpAndMark();
  m_open->SetNextToDraw(m_innerCell);
  m_innerCell->last()->SetNextToDraw(m_close);
  m_close->SetNextToDraw(m_nextToDraw);
  m_nextToDraw = m_open;
  ResetCellListSizes();
  m_height = 0;
  m_center = 0;
  return true;
}

void BoxCell::SetNextToDraw(Cell *next) {
  if (IsBrokenIntoLines())
    m_close->SetNextToDraw(next);
  else
    m_nextToDraw = next;
}
