<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery                           |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch        : BSF (Best So Far)
// | file          : $RCSfile$
// | last update   : $Date: 2006-03-09 00:14:53 +0100 (jeu, 09 mar 2006) $
// | last modifier : $Author: rub $
// | revision      : $Revision: 1070 $
// +-----------------------------------------------------------------------+
// | 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                                          |
// |                                                                       |
// | 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.                                                                  |
// +-----------------------------------------------------------------------+

/**
 * This file is included by the picture page to manage picture metadata
 * 
 */

if ($metadata_showable and isset($_GET['show_metadata']))
{
  include_once(PHPWG_ROOT_PATH.'/include/functions_metadata.inc.php');
  $template->assign_block_vars('metadata', array());
  if ($conf['show_exif'])
  {
    if (!function_exists('read_exif_data'))
    {
      die('Exif extension not available, admin should disable exif display');
    }

    if ($exif = @read_exif_data($picture['current']['src']))
    {
      $template->assign_block_vars(
        'metadata.headline',
        array('TITLE' => 'EXIF Metadata')
        );

      foreach ($conf['show_exif_fields'] as $field)
      {
        if (strpos($field, ';') === false)
        {
          if (isset($exif[$field]))
          {
            $key = $field;
            if (isset($lang['exif_field_'.$field]))
            {
              $key = $lang['exif_field_'.$field];
            }

            $template->assign_block_vars(
              'metadata.line',
              array(
                'KEY' => $key,
                'VALUE' => $exif[$field]
                )
              );
          }
        }
        else
        {
          $tokens = explode(';', $field);
          if (isset($exif[$tokens[0]][$tokens[1]]))
          {
            $key = $tokens[1];
            if (isset($lang['exif_field_'.$tokens[1]]))
            {
              $key = $lang['exif_field_'.$tokens[1]];
            }

            $template->assign_block_vars(
              'metadata.line',
              array(
                'KEY' => $key,
                'VALUE' => $exif[$tokens[0]][$tokens[1]]
                )
              );
          }
        }
      }
    }
  }
  if ($conf['show_iptc'])
  {
    $iptc = get_iptc_data($picture['current']['src'],
                          $conf['show_iptc_mapping']);

    if (count($iptc) > 0)
    {
      $template->assign_block_vars(
        'metadata.headline',
        array('TITLE' => 'IPTC Metadata')
        );
    }

    foreach ($iptc as $field => $value)
    {
      $key = $field;
      if (isset($lang[$field]))
      {
        $key = $lang[$field];
      }

      $template->assign_block_vars(
        'metadata.line',
        array(
          'KEY' => $key,
          'VALUE' => $value
          )
        );
    }
  }
}

?>