public function DisplayPluginBase::getHandlers

Get a full array of handlers for $type. This caches them.

File

drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php, line 862

Contains Drupal\views\Plugin\views\display\DisplayPluginBase.

Class

DisplayPluginBase

The default display plugin handler. Display plugins handle options and basic mechanisms for different output methods.

Namespace

Code

public function getHandlers($type) {
  if (!isset($this->handlers[$type])) {
    $this->handlers[$type] = array();
    $types = ViewExecutable::viewsHandlerTypes();
    $plural = $types[$type]['plural'];
    foreach ($this
      ->getOption($plural) as $id => $info) {

      // If this is during form submission and there are temporary options
      // which can only appear if the view is in the edit cache, use those
      // options instead. This is used for AJAX multi-step stuff.
      if (\Drupal::request()->request
        ->get('form_id') && isset($this->view->temporary_options[$type][$id])) {
        $info = $this->view->temporary_options[$type][$id];
      }
      if ($info['id'] != $id) {
        $info['id'] = $id;
      }

      // If aggregation is on, the group type might override the actual
      // handler that is in use. This piece of code checks that and,
      // if necessary, sets the override handler.
      $override = NULL;
      if ($this
        ->useGroupBy() && !empty($info['group_type'])) {
        if (empty($this->view->query)) {
          $this->view
            ->initQuery();
        }
        $aggregate = $this->view->query
          ->getAggregationInfo();
        if (!empty($aggregate[$info['group_type']]['handler'][$type])) {
          $override = $aggregate[$info['group_type']]['handler'][$type];
        }
      }
      if (!empty($types[$type]['type'])) {
        $handler_type = $types[$type]['type'];
      }
      else {
        $handler_type = $type;
      }
      if ($handler = views_get_handler($info, $handler_type, $override)) {

        // Special override for area types so they know where they come from.
        if ($handler instanceof AreaPluginBase) {
          $handler->areaType = $type;
        }
        $handler
          ->init($this->view, $this, $info);
        $this->handlers[$type][$id] =& $handler;
      }

      // Prevent reference problems.
      unset($handler);
    }
  }
  return $this->handlers[$type];
}