FOF30\Form\Form::getContainer PHP Method

    public function &getContainer()
    {
        return $this->container;
    }

 /**
  * Method to get a list of tags
  *
  * @return  array  The field option objects.
  *
  * @since   3.1
  */
 protected function getOptions()
 {
     $published = $this->element['published'] ? $this->element['published'] : array(0, 1);
     $db = $this->form->getContainer()->platform->getDbo();
     $query = $db->getQuery(true)->select('a.id AS value, a.path, a.title AS text, a.level, a.published')->from('#__tags AS a')->join('LEFT', $db->quoteName('#__tags') . ' AS b ON a.lft > b.lft AND a.rgt < b.rgt');
     if ($this->item instanceof DataModel) {
         $item = $this->item;
     } else {
         $item = $this->form->getModel();
     }
     if ($item instanceof DataModel) {
         // Fake value for selected tags
         $keyfield = $item->getKeyName();
         $content_id = $item->{$keyfield};
         $type = $item->getContentType();
         $selected_query = $db->getQuery(true);
         $selected_query->select('tag_id')->from('#__contentitem_tag_map')->where('content_item_id = ' . (int) $content_id)->where('type_alias = ' . $db->quote($type));
         $db->setQuery($selected_query);
         $this->value = $db->loadColumn();
     }
     // Ajax tag only loads assigned values
     if (!$this->isNested()) {
         // Only item assigned values
         $values = (array) $this->value;
         \JArrayHelper::toInteger($values);
         $query->where('a.id IN (' . implode(',', $values) . ')');
     }
     // Filter language
     if (!empty($this->element['language'])) {
         $query->where('a.language = ' . $db->quote($this->element['language']));
     }
     $query->where($db->quoteName('a.alias') . ' <> ' . $db->quote('root'));
     // Filter to only load active items
     // Filter on the published state
     if (is_numeric($published)) {
         $query->where('a.published = ' . (int) $published);
     } elseif (is_array($published)) {
         \JArrayHelper::toInteger($published);
         $query->where('a.published IN (' . implode(',', $published) . ')');
     }
     $query->group('a.id, a.title, a.level, a.lft, a.rgt, a.parent_id, a.published, a.path')->order('a.lft ASC');
     // Get the options.
     $db->setQuery($query);
     try {
         $options = $db->loadObjectList();
     } catch (\RuntimeException $e) {
         return false;
     }
     // Prepare nested data
     if ($this->isNested()) {
         $this->prepareOptionsNested($options);
     } else {
         $options = \JHelperTags::convertPathsToNames($options);
     }
     return $options;
 }