class ParagraphViewModeWidget in Paragraph View Mode 2.x

Same name and namespace in other branches

8 src/Plugin/Field/FieldWidget/ParagraphViewModeWidget.php \Drupal\paragraph_view_mode\Plugin\Field\FieldWidget\ParagraphViewModeWidget

Plugin implementation of the 'paragraph_view_mode' widget.

Plugin annotation


@FieldWidget(
  id = "paragraph_view_mode",
  label = @Translation("Paragraph view mode"),
  field_types = {
    "paragraph_view_mode",
  }
)

Hierarchy

class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
  - class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface
    class \Drupal\Core\Field\WidgetBase implements WidgetInterface, ContainerFactoryPluginInterface
    class \Drupal\Core\Field\Plugin\Field\FieldWidget\StringTextfieldWidget
    class \Drupal\paragraph_view_mode\Plugin\Field\FieldWidget\ParagraphViewModeWidget

Expanded class hierarchy of ParagraphViewModeWidget

1 file declares its use of ParagraphViewModeWidget

StorageManager.php in src/StorageManager.php

File

src/Plugin/Field/FieldWidget/ParagraphViewModeWidget.php, line 28

Namespace

Drupal\paragraph_view_mode\Plugin\Field\FieldWidget

View source

class ParagraphViewModeWidget extends StringTextfieldWidget {

  /**
   * Current request.
   *
   * @var \Symfony\Component\HttpFoundation\Request
   */
  protected $request;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    $instance = parent::create($container, $configuration, $plugin_id, $plugin_definition);
    $instance->request = $container
      ->get('request_stack')
      ->getCurrentRequest();
    return $instance;
  }

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'view_modes' => self::getAvailableViewModes(),
      'default_view_mode' => ViewModeInterface::DEFAULT,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $element['view_modes'] = [
      '#type' => 'checkboxes',
      '#title' => $this
        ->t('Available view modes'),
      '#description' => $this
        ->getViewModesFieldDescription(),
      '#options' => $this
        ->defaultSettings()['view_modes'],
      '#default_value' => array_keys($this
        ->getEnabledViewModes()),
      '#required' => FALSE,
      '#ajax' => [
        'callback' => [
          __CLASS__,
          'defaultViewModes',
        ],
        'event' => 'change',
        'wrapper' => 'paragraph-view-mode-default',
      ],
    ];
    if ($this
      ->getSetting('view_modes')) {
      $element['default_view_mode'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Default value'),
        '#description' => $this
          ->t('View mode to be used as a default field value.'),
        '#options' => $element['view_modes']['#options'],
        '#default_value' => $this
          ->getSetting('default_view_mode'),
        '#required' => FALSE,
        '#weight' => 2,
        '#prefix' => '<div id="paragraph-view-mode-default">',
        '#suffix' => '</div>',
      ];
    }
    return $element;
  }

  /**
   * Ajax callback for updating the default view mode options.
   *
   * @param array $form
   *   Form structure.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   Form state.
   *
   * @return array
   *   Default view mode form element.
   */
  public static function defaultViewModes(array $form, FormStateInterface $form_state) {
    $checkboxes = $form_state
      ->getTriggeringElement();
    $element = NestedArray::getValue($form, array_slice($checkboxes['#array_parents'], 0, count($checkboxes['#array_parents']) - 2));
    $options = array_intersect_key($element['view_modes']['#options'], $element['view_modes']['#value']);
    $element['default_view_mode']['#options'] = empty($options) ? $element['view_modes']['#options'] : $options;
    return $element['default_view_mode'];
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $settings = $this
      ->getEnabledViewModes();
    if (empty($settings)) {
      $message = $this
        ->t('No view modes enabled, "@default" view mode will be used instead.', [
        '@default' => ViewModeInterface::DEFAULT,
      ]);
    }
    else {
      $message = $this
        ->t('Available view modes: @types', [
        '@types' => implode(', ', $settings),
      ]);
    }
    $summary[] = $message;
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $element = parent::formElement($items, $delta, $element, $form, $form_state);
    $element['value'] = [
      '#title' => $items
        ->getFieldDefinition()
        ->getLabel(),
      '#type' => 'select',
      '#default_value' => isset($items[$delta]->value) ? $items[$delta]->value : $this
        ->getSetting('default_view_mode'),
      '#options' => $this
        ->getEnabledViewModes() ?: $this
        ->getDefaultOption(),
      '#required' => TRUE,
      '#weight' => 1,
    ];
    return $element;
  }

  /**
   * Getter for available view modes in paragraph entity type.
   *
   * @return array
   *   Associative array of view mode machine names and labels.
   */
  protected static function getAvailableViewModes() {
    $request = \Drupal::request();
    $entity_display_respository = \Drupal::service('entity_display.repository');
    $paragraph_type = self::getParagraphsTypeFromRequest($request);
    $entity_id = StorageManagerInterface::ENTITY_TYPE;
    if ($paragraph_type instanceof ParagraphsType) {
      return $entity_display_respository
        ->getViewModeOptionsByBundle($entity_id, $paragraph_type
        ->id());
    }
    return $entity_display_respository
      ->getViewModeOptions($entity_id);
  }

  /**
   * Getter for enabled view modes.
   *
   * @return array
   *   Associative array of view mode machine names and labels.
   */
  protected function getEnabledViewModes() {
    $availableViewModes = self::getAvailableViewModes();
    $currentViewModes = array_filter($this
      ->getSetting('view_modes'));
    return array_intersect_key($availableViewModes, $currentViewModes);
  }

  /**
   * Provides default option for the form elements.
   *
   * @return array
   *   Default view mode option.
   */
  protected function getDefaultOption() {
    return [
      ViewModeInterface::DEFAULT => $this
        ->t('Default'),
    ];
  }

  /**
   * Get ParagraphsType entity object from request.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   Current request object.
   *
   * @return \Drupal\paragraphs\Entity\ParagraphsType|null
   *   ParagraphsType entity.
   */
  protected static function getParagraphsTypeFromRequest(Request $request) : ?ParagraphsType {
    return $request->attributes
      ->get('paragraphs_type', NULL);
  }

  /**
   * Getter for 'view modes' field description.
   *
   * @return \Drupal\Core\StringTranslation\TranslatableMarkup
   *   Field description.
   */
  protected function getViewModesFieldDescription() : TranslatableMarkup {
    $paragraphs_type = self::getParagraphsTypeFromRequest($this->request);
    $url_route = implode('.', [
      'entity.entity_view_display',
      StorageManagerInterface::ENTITY_TYPE,
      ViewModeInterface::DEFAULT,
    ]);
    $url_paramters = [
      'paragraphs_type' => $paragraphs_type
        ->id(),
    ];
    $url_options = [
      'fragment' => 'edit-modes',
    ];
    $url = Url::fromRoute($url_route, $url_paramters, $url_options);
    return $this
      ->t('It is using only the view modes enabled in the <strong>CUSTOM DISPLAY SETTINGS</strong> section under the <a href="@url">Manage Display</a> tab.', [
      '@url' => $url
        ->toString(),
    ]);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
ParagraphViewModeWidget::$request	protected	property	Current request.
ParagraphViewModeWidget::create	public static	function	Creates an instance of the plugin. Overrides WidgetBase::create
ParagraphViewModeWidget::defaultSettings	public static	function	Defines the default settings for this plugin. Overrides StringTextfieldWidget::defaultSettings
ParagraphViewModeWidget::defaultViewModes	public static	function	Ajax callback for updating the default view mode options.
ParagraphViewModeWidget::formElement	public	function	Returns the form for a single field widget. Overrides StringTextfieldWidget::formElement
ParagraphViewModeWidget::getAvailableViewModes	protected static	function	Getter for available view modes in paragraph entity type.
ParagraphViewModeWidget::getDefaultOption	protected	function	Provides default option for the form elements.
ParagraphViewModeWidget::getEnabledViewModes	protected	function	Getter for enabled view modes.
ParagraphViewModeWidget::getParagraphsTypeFromRequest	protected static	function	Get ParagraphsType entity object from request.
ParagraphViewModeWidget::getViewModesFieldDescription	protected	function	Getter for 'view modes' field description.
ParagraphViewModeWidget::settingsForm	public	function	Returns a form to configure settings for the widget. Overrides StringTextfieldWidget::settingsForm
ParagraphViewModeWidget::settingsSummary	public	function	Returns a short summary for the current widget settings. Overrides StringTextfieldWidget::settingsSummary
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	2
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginSettingsBase::$defaultSettingsMerged	protected	property	Whether default settings have been merged into the current $settings.
PluginSettingsBase::$thirdPartySettings	protected	property	The plugin settings injected by third party modules.
PluginSettingsBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies	6
PluginSettingsBase::getSetting	public	function	Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface::getSetting
PluginSettingsBase::getSettings	public	function	Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface::getSettings
PluginSettingsBase::getThirdPartyProviders	public	function	Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface::getThirdPartyProviders
PluginSettingsBase::getThirdPartySetting	public	function	Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface::getThirdPartySetting
PluginSettingsBase::getThirdPartySettings	public	function	Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface::getThirdPartySettings
PluginSettingsBase::mergeDefaults	protected	function	Merges default settings values into $settings.
PluginSettingsBase::onDependencyRemoval	public	function	Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval	3
PluginSettingsBase::setSetting	public	function	Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings	public	function	Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting	public	function	Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting	public	function	Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
WidgetBase::$fieldDefinition	protected	property	The field definition.
WidgetBase::$settings	protected	property	The widget settings. Overrides PluginSettingsBase::$settings
WidgetBase::addMoreAjax	public static	function	Ajax callback for the "Add another item" button.
WidgetBase::addMoreSubmit	public static	function	Submission handler for the "Add another item" button.
WidgetBase::afterBuild	public static	function	After-build handler for field elements in a form.
WidgetBase::errorElement	public	function	Assigns a field-level validation error to the right widget sub-element. Overrides WidgetInterface::errorElement	8
WidgetBase::extractFormValues	public	function	Extracts field values from submitted form values. Overrides WidgetBaseInterface::extractFormValues	2
WidgetBase::flagErrors	public	function	Reports field-level validation errors against actual form elements. Overrides WidgetBaseInterface::flagErrors	2
WidgetBase::form	public	function	Creates a form element for a field. Overrides WidgetBaseInterface::form	3
WidgetBase::formMultipleElements	protected	function	Special handling to create form elements for multiple values.	1
WidgetBase::formSingleElement	protected	function	Generates the form element for a single copy of the widget.
WidgetBase::getFieldSetting	protected	function	Returns the value of a field setting.
WidgetBase::getFieldSettings	protected	function	Returns the array of field settings.
WidgetBase::getFilteredDescription	protected	function	Returns the filtered field description.
WidgetBase::getWidgetState	public static	function	Retrieves processing information about the widget from $form_state. Overrides WidgetBaseInterface::getWidgetState
WidgetBase::getWidgetStateParents	protected static	function	Returns the location of processing information within $form_state.
WidgetBase::handlesMultipleValues	protected	function	Returns whether the widget handles multiple values.
WidgetBase::isApplicable	public static	function	Returns if the widget can be used for the provided field. Overrides WidgetInterface::isApplicable	4
WidgetBase::isDefaultValueWidget	protected	function	Returns whether the widget used for default value form.
WidgetBase::massageFormValues	public	function	Massages the form values into the format expected for field values. Overrides WidgetInterface::massageFormValues	7
WidgetBase::setWidgetState	public static	function	Stores processing information about the widget in $form_state. Overrides WidgetBaseInterface::setWidgetState
WidgetBase::__construct	public	function	Constructs a WidgetBase object. Overrides PluginBase::__construct	5

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class ParagraphViewModeWidget in Paragraph View Mode 2.x

Plugin annotation

Hierarchy

File

Namespace

Members

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