protected function EntityDisplayBase::init in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Entity/EntityDisplayBase.php \Drupal\Core\Entity\EntityDisplayBase::init()

Initializes the display.

This fills in default options for components:

• that are not explicitly known as either "visible" or "hidden" in the display,
• or that are not supposed to be configurable.

1 call to EntityDisplayBase::init()

EntityDisplayBase::__construct in core/lib/Drupal/Core/Entity/EntityDisplayBase.php

Constructs an Entity object.

File

core/lib/Drupal/Core/Entity/EntityDisplayBase.php, line 154

Class

EntityDisplayBase

Provides a common base class for entity view and form displays.

Namespace

Drupal\Core\Entity

Code

protected function init() {

  // Only populate defaults for "official" view modes and form modes.
  if ($this->mode !== static::CUSTOM_MODE) {
    $default_region = $this
      ->getDefaultRegion();

    // Fill in defaults for extra fields.
    $context = $this->displayContext == 'view' ? 'display' : $this->displayContext;
    $extra_fields = \Drupal::service('entity_field.manager')
      ->getExtraFields($this->targetEntityType, $this->bundle);
    $extra_fields = isset($extra_fields[$context]) ? $extra_fields[$context] : [];
    foreach ($extra_fields as $name => $definition) {
      if (!isset($this->content[$name]) && !isset($this->hidden[$name])) {

        // Extra fields are visible by default unless they explicitly say so.
        if (!isset($definition['visible']) || $definition['visible'] == TRUE) {
          $this
            ->setComponent($name, [
            'weight' => $definition['weight'],
          ]);
        }
        else {
          $this
            ->removeComponent($name);
        }
      }

      // Ensure extra fields have a 'region'.
      if (isset($this->content[$name])) {
        $this->content[$name] += [
          'region' => $default_region,
        ];
      }
    }

    // Fill in defaults for fields.
    $fields = $this
      ->getFieldDefinitions();
    foreach ($fields as $name => $definition) {
      if (!$definition
        ->isDisplayConfigurable($this->displayContext) || !isset($this->content[$name]) && !isset($this->hidden[$name])) {
        $options = $definition
          ->getDisplayOptions($this->displayContext);
        if (!empty($options['region']) && $options['region'] === 'hidden') {
          $this
            ->removeComponent($name);
        }
        elseif ($options) {
          $options += [
            'region' => $default_region,
          ];
          $this
            ->setComponent($name, $options);
        }

        // Note: (base) fields that do not specify display options are not
        // tracked in the display at all, in order to avoid cluttering the
        // configuration that gets saved back.
      }
    }
  }
}