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   1  <?php
   2  /**
   3   * @copyright    Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
   4   * @license        GNU General Public License version 2 or later; see LICENSE.txt
   5   */
   6  
   7  defined('JPATH_BASE') or die;
   8  
   9  JFormHelper::loadFieldClass('list');
  10  
  11  /**
  12   * Form Field class for the Joomla Framework.
  13   *
  14   * @package        Joomla.Administrator
  15   * @subpackage    com_menus
  16   * @since        1.6
  17   */
  18  class JFormFieldMenuOrdering extends JFormFieldList
  19  {
  20      /**
  21       * The form field type.
  22       *
  23       * @var        string
  24       * @since    1.7
  25       */
  26      protected $type = 'MenuOrdering';
  27  
  28      /**
  29       * Method to get the list of siblings in a menu.
  30       * The method requires that parent be set.
  31       *
  32       * @return    array    The field option objects or false if the parent field has not been set
  33       * @since    1.7
  34       */
  35  	protected function getOptions()
  36      {
  37          // Initialize variables.
  38          $options = array();
  39  
  40          // Get the parent
  41          $parent_id = $this->form->getValue('parent_id', 0);
  42          if ( empty($parent_id))
  43          {
  44              return false;
  45          }
  46          $db = JFactory::getDbo();
  47          $query = $db->getQuery(true);
  48  
  49          $query->select('a.id AS value, a.title AS text');
  50          $query->from('#__menu AS a');
  51  
  52          $query->where('a.published >= 0');
  53          $query->where('a.parent_id =' . (int) $parent_id);
  54          if ($menuType = $this->form->getValue('menutype')) {
  55              $query->where('a.menutype = '.$db->quote($menuType));
  56          }
  57          else {
  58              $query->where('a.menutype != '.$db->quote(''));
  59          }
  60  
  61          $query->order('a.lft ASC');
  62  
  63          // Get the options.
  64          $db->setQuery($query);
  65  
  66          $options = $db->loadObjectList();
  67  
  68          // Check for a database error.
  69          if ($db->getErrorNum()) {
  70              JError::raiseWarning(500, $db->getErrorMsg());
  71          }
  72  
  73          $options = array_merge(
  74          array(array ('value' =>'-1', 'text'=>JText::_('COM_MENUS_ITEM_FIELD_ORDERING_VALUE_FIRST'))),
  75          $options,
  76          array(array( 'value' =>'-2', 'text'=>JText::_('COM_MENUS_ITEM_FIELD_ORDERING_VALUE_LAST')))
  77          );
  78  
  79          // Merge any additional options in the XML definition.
  80          $options = array_merge(parent::getOptions(), $options);
  81  
  82          return $options;
  83      }
  84      /**
  85       * Method to get the field input markup
  86       *
  87       * @return  string  The field input markup.
  88       * @since   1.7
  89       */
  90  	protected function getInput()
  91      {
  92          if ($this->form->getValue('id', 0) == 0)
  93          {
  94              return '<span class="readonly">' . JText::_('COM_MENUS_ITEM_FIELD_ORDERING_TEXT') . '</span>';
  95          }
  96          else
  97          {
  98              return parent::getInput();
  99          }
 100      }
 101  }