/*  $Id$
**   __      __ __             ___        __   __ __   __
**  /  \    /  \__| ____    __| _/_______/  |_|__|  | |  |   ____
**  \   \/\/   /  |/    \  / __ |/  ___/\   __\  |  | |  | _/ __ \
**   \        /|  |   |  \/ /_/ |\___ \  |  | |  |  |_|  |_\  ___/
**    \__/\  / |__|___|  /\____ /____  > |__| |__|____/____/\___  >
**         \/          \/      \/    \/                         \/
**  Copyright (C) 2005 Ingo Ruhnke <grumbel@gmx.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., 59 Temple Place - Suite 330, Boston, MA
**  02111-1307, USA.
*/

#include "display/display.hpp"
#include "input/controller.hpp"
#include "font/fonts.hpp"
#include "list_view.hpp"

namespace GUI {

ListView::ListView(const Rectf& rect, Component* parent)
  : Component(rect, parent)
{
  current_item = 0;
}

ListView::~ListView()
{
}

void
ListView::draw()
{
  TTFFont* font = Fonts::vera20;

  float x = rect.left;
  float y = rect.top + font->get_height();
  float padding = 10;

  for(int i = 0; i < int(columns.size()); ++i)
    {
      // FIXME: Poor mans outline effect
      font->draw_center(x + columns[i].width/2 + 1, y - 1, columns[i].title);
      font->draw_center(x + columns[i].width/2 - 1, y - 1, columns[i].title);
      font->draw_center(x + columns[i].width/2 + 1, y + 1, columns[i].title);
      font->draw_center(x + columns[i].width/2 - 1, y + 1, columns[i].title);
      font->draw_center(x + columns[i].width/2, y, columns[i].title, Color(0.0f, 0.0f, 0.0f));
      x += columns[i].width;
    }

  for(int j = 0; j < int(items.size()); ++j)
    {
      x = rect.left;

      if (j == current_item)
        Display::fill_rect(Rectf(x, y,
                                 rect.right, y + font->get_height()), 
                           is_active() ? Color(0.5f, 0.5f, 1.0f, 0.8f) : Color(0.5f, 0.5f, 1.0f, 0.3f));

      y += font->get_height();
          
      for(int i = 0; i < int(items[j].columns.size()) && i < int(columns.size()); ++i)
        {
          font->draw(x + padding, y, items[j].columns[i]);
            
          x += columns[i].width;
        }
    }
}

void
ListView::update(float , const Controller& controller)
{
   for(InputEventLst::const_iterator i = controller.get_events().begin(); 
       i != controller.get_events().end(); ++i) 
    {
      if (i->type == BUTTON_EVENT && i->button.down)
        {
          if (i->button.name == OK_BUTTON)
            {
              // do something with item (scripting callback)
            }
          else if (i->button.name == CANCEL_BUTTON || i->button.name == ESCAPE_BUTTON)
            {
              set_active(false);
            }
        }
      else if (i->type == AXIS_EVENT)
        {
          if (i->axis.name == Y_AXIS)
            {
              if (i->axis.pos > 0)
                {
                  if (current_item == int(items.size()) - 1)
                    current_item = 0;
                  else
                    current_item += 1;
                }
              else if (i->axis.pos < 0)
                {
                  if (current_item == 0)
                    current_item = items.size() - 1;
                  else
                    current_item -= 1;
                }
            }
        }
    }
}

void
ListView::add_column(const std::string& title, float width)
{
  Column column;

  column.title = title;
  if (width == -1)
    column.width = 150;
  else
    column.width = width;

  columns.push_back(column);
}

void
ListView::add_item(const Item& item)
{
  items.push_back(item);
}

} // namespace GUI

/* EOF */