<?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/>.
   */


  // restrict access on tab keywords
  if (KB_TAB == KB_TAB_KEYWORDS && !KB_IS_CONTRIBUTOR)
    $AppUI->redirect (KB_ACCESS_DENIED);

  // restrict access on tab fields
  if (KB_TAB == KB_TAB_FIELDS && !KB_IS_ADMINISTRATOR)
    $AppUI->redirect (KB_ACCESS_DENIED);

  // restrict access on tab elements
  if (KB_TAB == KB_TAB_ELEMENTS && !KB_IS_ADMINISTRATOR)
    $AppUI->redirect (KB_ACCESS_DENIED);
  
  // restrict access on tab config
  if (KB_TAB == KB_TAB_CONFIG && !KB_IS_ADMINISTRATOR)
    $AppUI->redirect (KB_ACCESS_DENIED);

  // restrict access on valid tabs
  if (KB_TAB < KB_TAB_SEARCH || KB_TAB > KB_TAB_CONFIG)
  {
    $_SESSION [KB_SESSION_TAB] = KB_TAB_SEARCH;
    $AppUI->redirect (KB_ACCESS_DENIED);
  }

  // instanciate
  $base = new KBModuleBase ();

  // load record
  if (!$base->load (KB_BASE))
  {
    // clean session
    $_SESSION [KB_SESSION_BASE] = KB_BASE_UNDEFINED;
  
    // failed
    $AppUI->redirect (KB_ACCESS_DENIED);
  }

  // title block
  $titleBlock = new CTitleBlock (html_entity_decode ($base->getName ()), KB_MODULE_ICON);
  
  // search actions
  if (KB_TAB == KB_TAB_SEARCH)
  {
    // integrity
    $hasKeywords = KBModuleKeyword::hasKeywordsInBase (KB_BASE);

    // cell
    if (KB_IS_CONTRIBUTOR && $hasKeywords) {
      $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('actionNewEntry') . '">', '',
                            '<form action="index.php" method="get">
                             <input type="hidden" name="m" value="' . KB_MODULE . '" />
                             <input type="hidden" name="a" value="entry" />',
                            '</form>');
    }
  }

  // keywords actions
  if (KB_TAB == KB_TAB_KEYWORDS)
  {
    // undefined
    if (KB_PANE == KB_PANE_UNDEFINED) {
      $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('actionNewGroup') . '">', '',
                            '<form action="index.php" method="get">
                             <input type="hidden" name="m" value="' . KB_MODULE . '" />
                             <input type="hidden" name="a" value="group" />',
                            '</form>');
    }
    
    // labels
    if (KB_PANE == KB_PANE_LABELS) {
      $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('actionNewLabel') . '">', '',
                            '<form action="index.php" method="get">
                             <input type="hidden" name="m" value="' . KB_MODULE . '" />
                             <input type="hidden" name="a" value="label" />',
                            '</form>');
      $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('backToGroups') . '">', '',
                            '<form action="index.php" method="get">
                             <input type="hidden" name="m" value="' . KB_MODULE . '" />',
                            '</form>');
    }
    
    // keywords
    if (KB_PANE == KB_PANE_KEYWORDS) {
      $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('actionNewKeyword') . '">', '',
                            '<form action="index.php" method="get">
                             <input type="hidden" name="m" value="' . KB_MODULE . '" />
                             <input type="hidden" name="a" value="keyword" />',
                            '</form>');
      $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('backToLabels') . '">', '',
                            '<form action="index.php" method="get">
                             <input type="hidden" name="m" value="' . KB_MODULE . '" />
                             <input type="hidden" name="pane" value="' . KB_PANE_LABELS . '" />',
                            '</form>');
    }
  }
  
  // fields actions
  if (KB_TAB == KB_TAB_FIELDS)
  {
    $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('actionNewField') . '">', '',
                          '<form action="index.php" method="get">
                           <input type="hidden" name="m" value="' . KB_MODULE . '" />
                           <input type="hidden" name="a" value="field" />',
                          '</form>');
  }

  // elements actions
  if (KB_TAB == KB_TAB_ELEMENTS)
  {
    $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('actionNewElement') . '">', '',
                          '<form action="index.php" method="get">
                           <input type="hidden" name="m" value="' . KB_MODULE . '" />
                           <input type="hidden" name="a" value="element" />',
                          '</form>');
  }


  // generic back action
  if (KB_PANE == KB_PANE_UNDEFINED)
  {
    $titleBlock->addCell ('<input type="submit" class="button" value="' . $AppUI->_('backToBox') . '">', '',
                          '<form action="index.php" method="get">
                           <input type="hidden" name="m" value="' . KB_MODULE . '" />
                           <input type="hidden" name="kbid" value="' . KB_BASE_UNDEFINED . '" />',
                          '</form>');
  }

  // show the title block
  $titleBlock->show ();

  // tab box
  $tabBox = new CTabBox ('?m=' . KB_MODULE, $dPconfig ['root_dir'] . '/modules/' . KB_MODULE .'/display/', KB_TAB);

  // add search pane
  $tabBox->add ('search', utf8_encode (html_entity_decode ($AppUI->_('tabSearch'))));
  
  // add keywords pane
  if (KB_IS_CONTRIBUTOR)
    $tabBox->add ('groups', utf8_encode (html_entity_decode ($AppUI->_('tabKeywords'))));

  // add fields pane
  if (KB_IS_ADMINISTRATOR)
    $tabBox->add ('fields', utf8_encode (html_entity_decode ($AppUI->_('tabFields'))));

  // add elements pane
  if (KB_IS_ADMINISTRATOR)
    $tabBox->add ('elements', utf8_encode (html_entity_decode ($AppUI->_('tabResultsOutput'))));
  
  // add config pane
  if (KB_IS_ADMINISTRATOR)
    $tabBox->add ('config', utf8_encode (html_entity_decode ($AppUI->_('tabConfiguration'))));

  // show the tab box
  $tabBox->show ();

?>