<?php

  /*
   * Free IT Foundation
   * Free Technology Serving Knowledge
   * http://www.free-it-foundation.org
   * 
   * This file is part of Knowledge Box.
   * 
   * Knowledge Box 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 3 of the License, or
   * (at your option) any later version.
   * 
   * Knowledge Box 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 Knowledge Box.  If not, see <http://www.gnu.org/licenses/>.
   */


  // session
  session_start ();

  // base
  if (!isset ($_SESSION [KBEV_SETTINGS_BASE]))
    $_SESSION [KBEV_SETTINGS_BASE] = 1;
  if (isset ($_GET ['kbid'])) {
    $_SESSION [KBEV_SETTINGS_BASE] = (int) $_GET ['kbid'];
    $_SESSION [KBEV_SESSION_EXECUTE] = false;
  } else {
    // is in search?
    if (!isset ($_SESSION [KBEV_SESSION_EXECUTE]))
      $_SESSION [KBEV_SESSION_EXECUTE] = false;
  }
  define ('KBEV_EXECUTE_SEARCH', (boolean) $_SESSION [KBEV_SESSION_EXECUTE]);

  // search keywords
  if (!isset ($_SESSION [KBEV_SEARCH_KEYWORDS]))
    $_SESSION [KBEV_SEARCH_KEYWORDS] = array ();

  // search text
  if (!isset ($_SESSION [KBEV_SEARCH_TEXT]))
    $_SESSION [KBEV_SEARCH_TEXT] = '';

  // search field
  if (!isset ($_SESSION [KBEV_SEARCH_FIELD]))
    $_SESSION [KBEV_SEARCH_FIELD] = '';

  // search sort field & direction
  if (!isset ($_SESSION [KB_SEARCH_SORT_FIELD]))
    $_SESSION [KB_SEARCH_SORT_FIELD] = '';
  if (isset ($_GET ['sort']))
    $_SESSION [KB_SEARCH_SORT_FIELD] = (int) $_GET ['sort'];
  if (!isset ($_SESSION [KB_SEARCH_SORT_DIR]))
    $_SESSION [KB_SEARCH_SORT_DIR] = '';
  if (isset ($_GET ['dir']))
    $_SESSION [KB_SEARCH_SORT_DIR] = $_GET ['dir'];

  // search index
  if (!isset ($_SESSION [KBEV_SEARCH_INDEX]))
    $_SESSION [KBEV_SEARCH_INDEX] = 0;
  if (isset ($_GET ['inx']))
    $_SESSION [KBEV_SEARCH_INDEX] = (int) $_GET ['inx'];

  // lang
  if (!isset ($_SESSION [KBEV_SETTINGS_LANG]))
    $_SESSION [KBEV_SETTINGS_LANG] = 'en';
  if (isset ($_GET ['lang']))
    $_SESSION [KBEV_SETTINGS_LANG] = (string) $_GET ['lang'];

  // define settings
  define ('KBEV_BASE', $_SESSION [KBEV_SETTINGS_BASE]);
  define ('KBEV_LANG', $_SESSION [KBEV_SETTINGS_LANG]);

?>