function DisplayPluginBase::mergeDefaults

Merges default values for all plugin types.

Overrides DisplayPluginInterface::mergeDefaults

File

core/modules/views/src/Plugin/views/display/DisplayPluginBase.php, line 2666

Class

DisplayPluginBase

Base class for views display plugins.

Namespace

Code

public function mergeDefaults() {
  $defined_options = $this->defineOptions();
  // Build a map of plural => singular for handler types.
  $type_map = [];
  foreach (ViewExecutable::getHandlerTypes() as $type => $info) {
    $type_map[$info['plural']] = $type;
  }
  // Find all defined options, that have specified a merge_defaults callback.
  foreach ($defined_options as $type => $definition) {
    if (!isset($definition['merge_defaults']) || !is_callable($definition['merge_defaults'])) {
      continue;
    }
    // Switch the type to singular, if it's a plural handler.
    if (isset($type_map[$type])) {
      $type = $type_map[$type];
    }
    call_user_func($definition['merge_defaults'], $type);
  }
}