abstract class ExtraFieldDisplayFormattedBase in Extra Field 8

Same name and namespace in other branches

8.2 src/Plugin/ExtraFieldDisplayFormattedBase.php \Drupal\extra_field\Plugin\ExtraFieldDisplayFormattedBase

Base class for Extra field Display plugins with field wrapper output.

Hierarchy

class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\extra_field\Plugin\ExtraFieldDisplayBase implements ExtraFieldDisplayInterface
  - class \Drupal\extra_field\Plugin\ExtraFieldDisplayFormattedBase implements ExtraFieldDisplayFormattedInterface

Expanded class hierarchy of ExtraFieldDisplayFormattedBase

6 files declare their use of ExtraFieldDisplayFormattedBase

EmptyFormattedFieldTest.php in tests/extra_field_test/src/Plugin/ExtraField/Display/EmptyFormattedFieldTest.php
ExampleFormattedField.php in modules/extra_field_example/src/Plugin/ExtraField/Display/ExampleFormattedField.php
ExampleMultilingualField.php in modules/extra_field_example/src/Plugin/ExtraField/Display/ExampleMultilingualField.php
MultipleItemsFieldTest.php in tests/extra_field_test/src/Plugin/ExtraField/Display/MultipleItemsFieldTest.php
MultipleItemsFieldWithCacheDependencyTest.php in tests/extra_field_test/src/Plugin/ExtraField/Display/MultipleItemsFieldWithCacheDependencyTest.php

... See full list

File

src/Plugin/ExtraFieldDisplayFormattedBase.php, line 12

Namespace

Drupal\extra_field\Plugin

View source

abstract class ExtraFieldDisplayFormattedBase extends ExtraFieldDisplayBase implements ExtraFieldDisplayFormattedInterface {

  /**
   * Flag to indicate that the extra field has no content.
   *
   * Set this flag when the render elements returned by ::viewElements only
   * contains non-visible render data such as #cache or #attached but does not
   * contain actual renderable data such as #markup, #theme or #item.
   *
   * When this flag is set, the render elements will not be wrapped in a field
   * wrapper.
   *
   * @var bool
   */
  protected $isEmpty = FALSE;

  /**
   * The langcode of the field values.
   *
   * @var string
   */
  protected $langcode = LanguageInterface::LANGCODE_NOT_SPECIFIED;

  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * {@inheritdoc}
   */
  public function view(ContentEntityInterface $entity) {
    $elements = $this
      ->viewElements($entity);
    if (!empty($elements) && !$this
      ->isEmpty()) {

      // Construct a render array for the extra field elements.
      // @see \Drupal\Core\Field\FormatterBase::view
      $build = [
        '#theme' => 'field',
        '#title' => $this
          ->getLabel(),
        '#label_display' => $this
          ->getLabelDisplay(),
        // Prevent quickedit from editing this field by using a special view
        // mode.
        // @see quickedit_preprocess_field()
        '#view_mode' => '_custom',
        '#language' => $this
          ->getLangcode(),
        '#field_name' => $this
          ->getFieldName(),
        '#field_type' => $this
          ->getFieldType(),
        '#field_translatable' => $this
          ->isTranslatable(),
        '#entity_type' => $entity
          ->getEntityTypeId(),
        '#bundle' => $entity
          ->bundle(),
        '#object' => $entity,
        '#formatter' => $this
          ->getPluginId(),
      ];
      if ($children = Element::children($elements, TRUE)) {
        $build['#is_multiple'] = TRUE;
        $build['#cache'] = !empty($elements['#cache']) ? $elements['#cache'] : [];

        // Without #children the field will not show up.
        $build['#children'] = '';
        foreach ($children as $key) {

          // Only keys in "#items" property are required in
          // template_preprocess_field().
          $build['#items'][$key] = new \stdClass();
          $build[$key] = $elements[$key];
        }
      }
      else {
        $build['#is_multiple'] = FALSE;

        // Only keys in "#items" property are required in
        // template_preprocess_field().
        $build['#items'][] = new \stdClass();
        $build[] = $elements;
      }
    }
    else {
      $build = $elements;
    }
    return $build;
  }

  /**
   * {@inheritdoc}
   */
  public function getLabel() {
    return '';
  }

  /**
   * {@inheritdoc}
   */
  public function getLabelDisplay() {
    return 'hidden';
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldType() {
    return 'extra_field';
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldName() {
    return 'extra_field_' . $this->pluginId;
  }

  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    return $this->isEmpty;
  }

  /**
   * {@inheritdoc}
   */
  public function setLangcode($langcode) {
    $this->langcode = $langcode;
  }

  /**
   * {@inheritdoc}
   */
  public function getLangcode() {
    return $this->langcode;
  }

  /**
   * {@inheritdoc}
   */
  public function isTranslatable() {
    return FALSE;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ExtraFieldDisplayBase::$entity	protected	property	The field's parent entity.
ExtraFieldDisplayBase::$entityViewDisplay	protected	property	The entity view display.
ExtraFieldDisplayBase::$viewMode	protected	property	The view mode the entity is rendered in.
ExtraFieldDisplayBase::getEntity	public	function	Returns the field's parent entity. Overrides ExtraFieldDisplayInterface::getEntity
ExtraFieldDisplayBase::getEntityViewDisplay	public	function	Returns the entity view display object of the field's host entity. Overrides ExtraFieldDisplayInterface::getEntityViewDisplay
ExtraFieldDisplayBase::getViewMode	public	function	Returns the entity view mode object of the field's host entity. Overrides ExtraFieldDisplayInterface::getViewMode
ExtraFieldDisplayBase::setEntity	public	function	Stores the field's parent entity. Overrides ExtraFieldDisplayInterface::setEntity
ExtraFieldDisplayBase::setEntityViewDisplay	public	function	Stores the entity view display. Overrides ExtraFieldDisplayInterface::setEntityViewDisplay
ExtraFieldDisplayBase::setViewMode	public	function	Stores the entity view mode. Overrides ExtraFieldDisplayInterface::setViewMode
ExtraFieldDisplayFormattedBase::$isEmpty	protected	property	Flag to indicate that the extra field has no content.
ExtraFieldDisplayFormattedBase::$langcode	protected	property	The langcode of the field values.
ExtraFieldDisplayFormattedBase::$languageManager	protected	property	The language manager.
ExtraFieldDisplayFormattedBase::getFieldName	public	function	The machine name of the field. Overrides ExtraFieldDisplayFormattedInterface::getFieldName	1
ExtraFieldDisplayFormattedBase::getFieldType	public	function	The type of field. Overrides ExtraFieldDisplayFormattedInterface::getFieldType	1
ExtraFieldDisplayFormattedBase::getLabel	public	function	The label of the field. Overrides ExtraFieldDisplayFormattedInterface::getLabel	5
ExtraFieldDisplayFormattedBase::getLabelDisplay	public	function	How to display the field label will be displayed. Overrides ExtraFieldDisplayFormattedInterface::getLabelDisplay	5
ExtraFieldDisplayFormattedBase::getLangcode	public	function	Gets the langcode of the field values. Overrides ExtraFieldDisplayFormattedInterface::getLangcode	1
ExtraFieldDisplayFormattedBase::isEmpty	public	function	Check if the extra field has data. Overrides ExtraFieldDisplayFormattedInterface::isEmpty
ExtraFieldDisplayFormattedBase::isTranslatable	public	function	The field is translatable. Overrides ExtraFieldDisplayFormattedInterface::isTranslatable	1
ExtraFieldDisplayFormattedBase::setLangcode	public	function
ExtraFieldDisplayFormattedBase::view	public	function	Builds a renderable array for the field. Overrides ExtraFieldDisplayInterface::view
ExtraFieldDisplayFormattedInterface::viewElements	public	function	Returns the renderable array of the field item(s).	6
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object.	92

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abstract class ExtraFieldDisplayFormattedBase in Extra Field 8

Hierarchy

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