interface ParagraphsBehaviorInterface

Provides an interface defining a paragraph behavior.

A paragraph behavior plugin adds extra functionality to the paragraph such as adding properties and attributes, it can also add extra classes to the render elements so extra styling can be applied.

Hierarchy

  • interface \Drupal\paragraphs\ParagraphsBehaviorInterface extends \Drupal\Core\Plugin\PluginFormInterface \Drupal\Component\Plugin\ConfigurableInterface \Drupal\Component\Plugin\DependentPluginInterface

Expanded class hierarchy of ParagraphsBehaviorInterface

All classes that implement ParagraphsBehaviorInterface

File

paragraphs/src/ParagraphsBehaviorInterface.php, line 20

Namespace

Drupal\paragraphs
View source
interface ParagraphsBehaviorInterface extends PluginFormInterface, ConfigurableInterface, DependentPluginInterface {

  /**
   * Builds a behavior perspective for each paragraph based on its type.
   *
   * This method is responsible for building the behavior form for each
   * Paragraph so the user can set special attributes and properties.
   *
   * @param \Drupal\paragraphs\ParagraphInterface $paragraph
   *   The paragraph.
   * @param array $form
   *   An associative array containing the initial structure of the plugin form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   *
   * @return array
   *   The fields build array that the plugin creates.
   */
  public function buildBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state);

  /**
   * Validates the behavior fields form.
   *
   * This method is responsible for validating the data in the behavior fields
   * form and displaying validation messages.
   *
   * @param \Drupal\paragraphs\ParagraphInterface $paragraph
   *   The paragraph.
   * @param array $form
   *   An associative array containing the initial structure of the plugin form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function validateBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state);

  /**
   * Submit the values taken from the form to store the values.
   *
   * This method is responsible for submitting the data and saving it in the
   * paragraphs entity.
   *
   * @param \Drupal\paragraphs\ParagraphInterface $paragraph
   *   The paragraph.
   * @param array $form
   *   An associative array containing the initial structure of the plugin form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function submitBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state);

  /**
   * Adds a default set of helper variables for preprocessors and templates.
   *
   * This preprocess function is the first in the sequence of preprocessing
   * functions that are called when preparing variables of a paragraph.
   *
   * @param array $variables
   *   An associative array containing:
   *   - elements: An array of elements to display in view mode.
   *   - paragraph: The paragraph object.
   *   - view_mode: The view mode.
   */
  public function preprocess(&$variables);

  /**
   * Extends the paragraph render array with behavior.
   *
   * @param array &$build
   *   A renderable array representing the paragraph. The module may add
   *   elements to $build prior to rendering. The structure of $build is a
   *   renderable array as expected by drupal_render().
   * @param \Drupal\paragraphs\Entity\Paragraph $paragraph
   *   The paragraph.
   * @param \Drupal\Core\Entity\Display\EntityViewDisplayInterface $display
   *   The entity view display holding the display options configured for the
   *   entity components.
   * @param string $view_mode
   *   The view mode the entity is rendered in.
   */
  public function view(array &$build, Paragraph $paragraph, EntityViewDisplayInterface $display, $view_mode);

  /**
   * Returns if the plugin can be used for the provided Paragraphs type.
   *
   * @param \Drupal\paragraphs\Entity\ParagraphsType $paragraphs_type
   *   The Paragraphs type entity that should be checked.
   *
   * @return bool
   *   TRUE if the formatter can be used, FALSE otherwise.
   */
  public static function isApplicable(ParagraphsType $paragraphs_type);

  /**
   * Returns a short summary for the current behavior settings.
   *
   * @param \Drupal\paragraphs\Entity\Paragraph $paragraph
   *   The paragraph.
   *
   * @return string[]
   *   The plugin settings.
   */
  public function settingsSummary(Paragraph $paragraph);

  /**
   * Returns a short info icon for the current behavior settings.
   *
   * Usually the information is in the form of an icon or a badge or some
   * similar graphical representation.
   *
   * @param \Drupal\paragraphs\Entity\Paragraph $paragraph
   *   The paragraph.
   *
   * @return string[]
   *   The plugin settings.
   *
   * @see ParagraphInterface::getIcons()
   */
  public function settingsIcon(Paragraph $paragraph);

  /**
   * Returns list of field names for the given paragraph type and field type.
   *
   * @param \Drupal\paragraphs\Entity\ParagraphsType $paragraphs_type
   *   The paragraphs type entity.
   * @param string $field_type
   *   (optional) Field type to check for existence. If field type is not
   *   provided, returns all entity fields.
   *
   * @return string[]
   *   The list of field labels keyed by their field name.
   */
  public function getFieldNameOptions(ParagraphsType $paragraphs_type, $field_type = NULL);

}

Members

Name Modifiers Type Descriptionsort descending Overrides
ParagraphsBehaviorInterface::preprocess public function Adds a default set of helper variables for preprocessors and templates. 1
ParagraphsBehaviorInterface::buildBehaviorForm public function Builds a behavior perspective for each paragraph based on its type. 1
ParagraphsBehaviorInterface::view public function Extends the paragraph render array with behavior. 12
ParagraphsBehaviorInterface::settingsIcon public function Returns a short info icon for the current behavior settings. 1
ParagraphsBehaviorInterface::settingsSummary public function Returns a short summary for the current behavior settings. 1
ParagraphsBehaviorInterface::isApplicable public static function Returns if the plugin can be used for the provided Paragraphs type. 1
ParagraphsBehaviorInterface::getFieldNameOptions public function Returns list of field names for the given paragraph type and field type. 1
ParagraphsBehaviorInterface::submitBehaviorForm public function Submit the values taken from the form to store the values. 1
ParagraphsBehaviorInterface::validateBehaviorForm public function Validates the behavior fields form. 1