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class CommentWidget in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/modules/comment/src/Plugin/Field/FieldWidget/CommentWidget.php \Drupal\comment\Plugin\Field\FieldWidget\CommentWidget

Provides a default comment widget.

Plugin annotation


@FieldWidget(
  id = "comment_default",
  label = @Translation("Comment"),
  field_types = {
    "comment"
  }
)

Hierarchy

Expanded class hierarchy of CommentWidget

File

core/modules/comment/src/Plugin/Field/FieldWidget/CommentWidget.php, line 27
Contains \Drupal\comment\Plugin\Field\FieldWidget\CommentWidget.

Namespace

Drupal\comment\Plugin\Field\FieldWidget
View source 
class CommentWidget extends WidgetBase {

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $entity = $items
      ->getEntity();
    $element['status'] = array(
      '#type' => 'radios',
      '#title' => t('Comments'),
      '#title_display' => 'invisible',
      '#default_value' => $items->status,
      '#options' => array(
        CommentItemInterface::OPEN => t('Open'),
        CommentItemInterface::CLOSED => t('Closed'),
        CommentItemInterface::HIDDEN => t('Hidden'),
      ),
      CommentItemInterface::OPEN => array(
        '#description' => t('Users with the "Post comments" permission can post comments.'),
      ),
      CommentItemInterface::CLOSED => array(
        '#description' => t('Users cannot post comments, but existing comments will be displayed.'),
      ),
      CommentItemInterface::HIDDEN => array(
        '#description' => t('Comments are hidden from view.'),
      ),
    );

    // If the entity doesn't have any comments, the "hidden" option makes no
    // sense, so don't even bother presenting it to the user unless this is the
    // default value widget on the field settings form.
    if (!$this
      ->isDefaultValueWidget($form_state) && !$items->comment_count) {
      $element['status'][CommentItemInterface::HIDDEN]['#access'] = FALSE;

      // Also adjust the description of the "closed" option.
      $element['status'][CommentItemInterface::CLOSED]['#description'] = t('Users cannot post comments.');
    }

    // If the advanced settings tabs-set is available (normally rendered in the
    // second column on wide-resolutions), place the field as a details element
    // in this tab-set.
    if (isset($form['advanced'])) {

      // Get default value from the field.
      $field_default_values = $this->fieldDefinition
        ->getDefaultValue($entity);

      // Override widget title to be helpful for end users.
      $element['#title'] = $this
        ->t('Comment settings');
      $element += array(
        '#type' => 'details',
        // Open the details when the selected value is different to the stored
        // default values for the field.
        '#open' => $items->status != $field_default_values[0]['status'],
        '#group' => 'advanced',
        '#attributes' => array(
          'class' => array(
            'comment-' . Html::getClass($entity
              ->getEntityTypeId()) . '-settings-form',
          ),
        ),
        '#attached' => array(
          'library' => array(
            'comment/drupal.comment',
          ),
        ),
      );
    }
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {

    // Add default values for statistics properties because we don't want to
    // have them in form.
    foreach ($values as &$value) {
      $value += array(
        'cid' => 0,
        'last_comment_timestamp' => 0,
        'last_comment_name' => '',
        'last_comment_uid' => 0,
        'comment_count' => 0,
      );
    }
    return $values;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AllowedTagsXssTrait::allowedTags public function Returns a list of tags allowed by AllowedTagsXssTrait::fieldFilterXss().
AllowedTagsXssTrait::displayAllowedTags public function Returns a human-readable list of allowed tags for display in help texts.
AllowedTagsXssTrait::fieldFilterXss public function Filters an HTML string to prevent XSS vulnerabilities.
CommentWidget::formElement public function Returns the form for a single field widget. Overrides WidgetInterface::formElement
CommentWidget::massageFormValues public function Massages the form values into the format expected for field values. Overrides WidgetBase::massageFormValues
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
PluginBase::$configuration protected property Configuration information passed into the plugin. 2
PluginBase::$pluginDefinition protected property The plugin implementation definition.
PluginBase::$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
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
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 1
PluginSettingsBase::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsInterface::defaultSettings 37
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 $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 1
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$stringTranslation protected property The string translation service.
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 7
WidgetBase::extractFormValues public function Extracts field values from submitted form values. Overrides WidgetBaseInterface::extractFormValues
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
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::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 1
WidgetBase::isDefaultValueWidget protected function Returns whether the widget used for default value form.
WidgetBase::settingsForm public function Returns a form to configure settings for the widget. Overrides WidgetInterface::settingsForm 13
WidgetBase::settingsSummary public function Returns a short summary for the current widget settings. Overrides WidgetInterface::settingsSummary 13
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 3