<?php

/*

 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

 *

 * This program is Free Software; you can redistribute 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 details.

 */

// Page editing portal

function page_Admin_PageEditor()

{

  global $db, $session, $paths, $template, $plugins; // Common objects

  global $lang;

  if ( $session->auth_level < USER_LEVEL_ADMIN || $session->user_level < USER_LEVEL_ADMIN )

  {

    $login_link = makeUrlNS('Special', 'Login/' . $paths->nslist['Special'] . 'Administration', 'level=' . USER_LEVEL_ADMIN, true);

    echo '<h3>' . $lang->get('adm_err_not_auth_title') . '</h3>';

    echo '<p>' . $lang->get('adm_err_not_auth_body', array( 'login_link' => $login_link )) . '</p>';

    return;

  }

  echo '<h3>' . $lang->get('acped_heading_main') . '</h3>';

  $show_select = true;

  if ( isset($_REQUEST['action']) || isset($_REQUEST['source']) )

  {

    if ( isset($_REQUEST['action']) )

    {

      $act =& $_REQUEST['action'];

      $act = strtolower($act);

    }

    else if ( isset($_REQUEST['source']) && $_REQUEST['source'] == 'ajax' )

    {

      $act = 'select';

    }

    switch ( $act )

    {

      case 'save':

      case 'select':

        // First step is to determine the page ID and namespace

        if ( isset($_REQUEST['pid_search']) )

        {

          list($page_id, $namespace) = RenderMan::strToPageID($_REQUEST['page_id']);

          $name = $db->escape(dirtify_page_id($page_id));

          $page_id = $db->escape(sanitize_page_id($page_id));

          $namespace = $db->escape($namespace);

          $name = strtolower($name);

          $page_id = strtolower($page_id);

          $sql = "SELECT * FROM " . table_prefix . "pages WHERE ( " . ENANO_SQLFUNC_LOWERCASE . "(urlname) LIKE '%$page_id%' OR " . ENANO_SQLFUNC_LOWERCASE . "(name) LIKE '%$name%' ) ORDER BY name ASC;";

        }

        else

        {

          // pid_search was not set, assume absolute page ID

          list($page_id, $namespace) = RenderMan::strToPageID($_REQUEST['page_id']);

          $page_id = $db->escape(sanitize_page_id($page_id));

          $namespace = $db->escape($namespace);

          $sql = "SELECT * FROM " . table_prefix . "pages WHERE urlname = '$page_id' AND namespace = '$namespace';";

        }

        if ( !($q = $db->sql_query($sql)) )

        {

          $db->_die('PageManager selecting dataset for page');

        }

        if ( $db->numrows() < 1 )

        {

          echo '<div class="error-box">

                  ' . $lang->get('acped_err_page_not_found') . '

                </div>';

          break;

        }

        if ( $db->numrows() > 1 )

        {

          // Ambiguous results

          if ( isset($_REQUEST['pid_search']) )

          {

            echo '<h3>' . $lang->get('acped_msg_results_ambiguous_title') . '</h3>';

            echo '<p>' . $lang->get('acped_msg_results_ambiguous_body') . '</p>';

            echo '<ul>';

            while ( $row = $db->fetchrow($q) )

            {

              echo '<li>';

              $pathskey = $paths->nslist[$row['namespace']] . $row['urlname'];

              $edit_url = makeUrlNS($row['namespace'], $row['urlname']) . '#do:edit';

              $view_url = makeUrlNS($row['namespace'], $row['urlname']);

              $page_name = htmlspecialchars(get_page_title_ns( $row['urlname'], $row['namespace'] ));

              $view_link = $lang->get('acped_ambig_btn_viewpage');

              echo "<a href=\"$edit_url\">$page_name</a> (<a onclick=\"window.open(this.href); return false;\" href=\"$view_url\">$view_link</a>)";

              echo '</li>';

            }

            echo '</ul>';

            $show_select = false;

            break;

          }

          else

          {

            echo '<p>' . $lang->get('acped_err_ambig_absolute') . '</p>';

            break;

          }

        }

        // From this point on we can assume that exactly one matching page was found.

        $dataset = $db->fetchrow();

        $page_id = $dataset['urlname'];

        $namespace = $dataset['namespace'];

        $url = makeUrlNS($namespace, $page_id, false, true) . '#do:edit';

        $url = addslashes($url);

        echo '<script type="text/javascript">

                window.location = \'' . $url . '\';

              </script>';

        $show_select = false;

        break;

    }

  }

  if ( $show_select )

  {

    echo '<p>' . $lang->get('acped_hint') . '</p>';

    // Show the search form

    $form_action = makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageEditor", true);

    echo "<form action=\"$form_action\" method=\"post\">";

    echo $lang->get('acped_lbl_field_search') . ' ';

    echo $template->pagename_field('page_id') . ' ';

    echo '<input type="hidden" name="action" value="select" />';

    echo '<input type="submit" name="pid_search" value="' . $lang->get('search_btn_search') . '" />';

    echo "</form>";

    // Grab all pages from the database and show a list of pages on the site

    echo '<h3>' . $lang->get('acped_heading_select_page_from_list') . '</h3>';

    echo '<p>' . $lang->get('acped_hint_select_page_from_list') . '</p>';

    $q = $db->sql_query('SELECT COUNT(name) AS num_pages FROM ' . table_prefix . 'pages;');

    if ( !$q )

      $db->_die('PageManager doing initial page count');

    list($num_pages) = $db->fetchrow_num();

    $db->free_result();

    $pg_start = ( isset($_GET['offset']) ) ? intval($_GET['offset']) : 0;

    $q = $db->sql_unbuffered_query('SELECT urlname, name, namespace, ' . $num_pages . ' AS num_pages, ' . $pg_start . ' AS offset, \'edit\' AS mode FROM ' . table_prefix . 'pages ORDER BY name ASC;');

    if ( !$q )

      $db->_die('PageManager doing main select query for page list');

    // Paginate results

    $html = paginate(

        $q,

        '{urlname}',

        $num_pages,

        makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageEditor&offset=%s", false),

        $pg_start,

        99,

        array('urlname' => 'admin_pagemanager_format_listing'),

        '<div class="tblholder" style="height: 300px; clip: rect(0px, auto, auto, 0px); overflow: auto;">

        <table border="0" cellspacing="1" cellpadding="4">',

        '  </table>

         </div>'

      );

    echo $html;

  }

}

?>