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   1  <?php
   2  /**
   3   * @package     Joomla.Platform
   4   * @subpackage  HTML
   5   *
   6   * @copyright   Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
   7   * @license     GNU General Public License version 2 or later; see LICENSE
   8   */
   9  
  10  defined('JPATH_PLATFORM') or die;
  11  
  12  /**
  13   * Utility class working with content language select lists
  14   *
  15   * @package     Joomla.Platform
  16   * @subpackage  HTML
  17   * @since       11.1
  18   */
  19  abstract class JHtmlContentLanguage
  20  {
  21      /**
  22       * Cached array of the content language items.
  23       *
  24       * @var    array
  25       * @since  11.1
  26       */
  27      protected static $items = null;
  28  
  29      /**
  30       * Get a list of the available content language items.
  31       *
  32       * @param   boolean  $all        True to include All (*)
  33       * @param   boolean  $translate  True to translate All
  34       *
  35       * @return  string
  36       *
  37       * @since   11.1
  38       *
  39       * @see     JFormFieldContentLanguage
  40       */
  41  	public static function existing($all = false, $translate = false)
  42      {
  43          if (empty(self::$items))
  44          {
  45              // Get the database object and a new query object.
  46              $db        = JFactory::getDBO();
  47              $query    = $db->getQuery(true);
  48  
  49              // Build the query.
  50              $query->select('a.lang_code AS value, a.title AS text, a.title_native');
  51              $query->from('#__languages AS a');
  52              $query->where('a.published >= 0');
  53              $query->order('a.title');
  54  
  55              // Set the query and load the options.
  56              $db->setQuery($query);
  57              self::$items = $db->loadObjectList();
  58              if ($all)
  59              {
  60                  array_unshift(self::$items, new JObject(array('value' => '*', 'text' => $translate ? JText::alt('JALL', 'language') : 'JALL_LANGUAGE')));
  61              }
  62  
  63              // Detect errors
  64              if ($db->getErrorNum())
  65              {
  66                  JError::raiseWarning(500, $db->getErrorMsg());
  67              }
  68          }
  69          return self::$items;
  70      }
  71  }