class FormElementLabel in Open Social 8.4

Pre-processes variables for the "form_element_label" theme hook.

Plugin annotation

@BootstrapPreprocess("form_element_label");

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\bootstrap\Plugin\PluginBase
      • class \Drupal\bootstrap\Plugin\Preprocess\PreprocessBase implements PreprocessInterface
        • class \Drupal\bootstrap\Plugin\Preprocess\FormElementLabel implements PreprocessInterface
          • class \Drupal\socialbase\Plugin\Preprocess\FormElementLabel

File

themes/socialbase/src/Plugin/Preprocess/FormElementLabel.php, line 16

Namespace

Drupal\socialbase\Plugin\Preprocess

class FormElementLabel extends BaseFormElementLabel {

  /**
   * {@inheritdoc}
   */
  public function preprocessElement(Element $element, Variables $variables) {
    if (isset($element['#id'])) {
      if (strpos($element['#id'], 'field-visibility') !== FALSE) {
        if (isset($element['#attributes']['title'])) {
          $description = $element['#attributes']['title'];
          $element['#attributes'] = [];
          $variables['description'] = $description;
        }

        // Set the materialize icon.
        $variables['icon'] = _socialbase_get_visibility_icon($element['#title']);
      }
      if ($element['#id'] == 'edit-message-0-value') {
        $variables['title_display'] = 'invisible';
      }

      // Date fields that need labels to distinguish date from time fields
      // These include daterange fields already as well.
      // @TODO update date fields of event to daterange fields and remove
      // the last 4 variables of this array.
      $date_fields = [
        'edit-field-date-0-value-time',
        'edit-field-date-0-value-date',
        'edit-field-date-0-end-value-date',
        'edit-field-date-0-end-value-time',
        'edit-field-event-date-0-value-date',
        'edit-field-event-date-0-value-time',
        'edit-field-event-date-end-0-value-date',
        'edit-field-event-date-end-0-value-time',
      ];
      if (in_array($element['#id'], $date_fields)) {
        $variables['title_display'] = 'above';
      }

      // Add class to labels for locale settings on user form
      // To make select elements consistent in placement and width.
      $locale_settings = [
        'edit-timezone--2',
        'edit-preferred-langcode',
      ];
      if (in_array($element['#id'], $locale_settings)) {
        $variables
          ->addClass('control-label--wide');
      }
    }
    parent::preprocessElement($element, $variables);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_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
FormElementLabel::preprocessElement	public	function	Preprocess the variables array if an element is present. Overrides FormElementLabel::preprocessElement
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$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::$theme	protected	property	The currently set theme object.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides PluginBase::__construct	1
PreprocessBase::$hook	protected	property	The theme hook invoked.
PreprocessBase::$info	protected	property	The theme hook info array from the theme registry.
PreprocessBase::$variables	protected	property	The Variables object.
PreprocessBase::preprocess	public	function	Preprocess theme hook variables. Overrides PreprocessInterface::preprocess
PreprocessBase::preprocessAttributes	protected	function	Ensures all attributes have been converted to an Attribute object.
PreprocessBase::preprocessDescription	protected	function	Converts any set description variable into a traversable array.
PreprocessBase::preprocessVariables	protected	function	Preprocess the variables array.	15
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
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.