/**
* {@inheritdoc}
*/
public function generateFieldMetadata(FieldItemListInterface $items, $view_mode)
{
$entity = $items->getEntity();
$field_name = $items->getFieldDefinition()->getName();
// Early-return if user does not have access.
$access = $this->accessChecker->accessEditEntityField($entity, $field_name);
if (!$access) {
return array('access' => FALSE);
}
// Early-return if no editor is available.
$formatter_id = EntityViewDisplay::collectRenderDisplay($entity, $view_mode)->getRenderer($field_name)->getPluginId();
$editor_id = $this->editorSelector->getEditor($formatter_id, $items);
if (!isset($editor_id)) {
return array('access' => FALSE);
}
// Gather metadata, allow the editor to add additional metadata of its own.
$label = $items->getFieldDefinition()->getLabel();
$editor = $this->editorManager->createInstance($editor_id);
$metadata = array('label' => String::checkPlain($label), 'access' => TRUE, 'editor' => $editor_id, 'aria' => t('Entity @type @id, field @field', array('@type' => $entity->getEntityTypeId(), '@id' => $entity->id(), '@field' => $label)));
$custom_metadata = $editor->getMetadata($items);
if (count($custom_metadata)) {
$metadata['custom'] = $custom_metadata;
}
return $metadata;
}
/**
* {@inheritdoc}
*/
public function viewField(FieldItemListInterface $items, $display_options = array())
{
$output = array();
$entity = $items->getEntity();
$field_name = $items->getFieldDefinition()->getName();
// Get the display object.
if (is_string($display_options)) {
$view_mode = $display_options;
$display = EntityViewDisplay::collectRenderDisplay($entity, $view_mode);
foreach ($entity as $name => $items) {
if ($name != $field_name) {
$display->removeComponent($name);
}
}
} else {
$view_mode = '_custom';
$display = entity_create('entity_view_display', array('targetEntityType' => $entity->getEntityTypeId(), 'bundle' => $entity->bundle(), 'mode' => $view_mode, 'status' => TRUE));
$display->setComponent($field_name, $display_options);
}
$build = $display->build($entity);
if (isset($build[$field_name])) {
$output = $build[$field_name];
}
return $output;
}
/**
* Renders a entity_test and sets the output in the internal browser.
*
* @param int $id
* The entity_test ID to render.
* @param string $view_mode
* (optional) The view mode to use for rendering. Defaults to 'full'.
* @param bool $reset
* (optional) Whether to reset the entity_test controller cache. Defaults to
* TRUE to simplify testing.
*/
protected function renderTestEntity($id, $view_mode = 'full', $reset = TRUE)
{
if ($reset) {
entity_get_controller('entity_test')->resetCache(array($id));
}
$entity = entity_load('entity_test', $id);
$display = EntityViewDisplay::collectRenderDisplay($entity, $view_mode);
$build = $display->build($entity);
$output = drupal_render($build);
$this->drupalSetContent($output);
$this->verbose($output);
}
