class BatUnitAutocomplete in Booking and Availability Management Tools for Drupal 8
Provides an entity autocomplete form element.
The #default_value accepted by this element is either an entity object or an array of entity objects.
Plugin annotation
@FormElement("bat_unit_autocomplete");Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait- class \Drupal\Core\Render\Element\RenderElement implements ElementInterface- class \Drupal\Core\Render\Element\FormElement implements FormElementInterface- class \Drupal\Core\Render\Element\Textfield- class \Drupal\Core\Entity\Element\EntityAutocomplete- class \Drupal\bat_calendar_reference\Element\BatUnitAutocomplete
 
 
- class \Drupal\Core\Entity\Element\EntityAutocomplete
 
- class \Drupal\Core\Render\Element\Textfield
 
- class \Drupal\Core\Render\Element\FormElement implements FormElementInterface
 
- class \Drupal\Core\Render\Element\RenderElement implements ElementInterface
 
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
Expanded class hierarchy of BatUnitAutocomplete
1 #type use of BatUnitAutocomplete
- BatCalendarReferenceUnitAutocomplete::formElement in modules/bat_calendar_reference/ src/ Plugin/ Field/ FieldWidget/ BatCalendarReferenceUnitAutocomplete.php 
- Returns the form for a single field widget.
File
- modules/bat_calendar_reference/ src/ Element/ BatUnitAutocomplete.php, line 23 
Namespace
Drupal\bat_calendar_reference\ElementView source
class BatUnitAutocomplete extends EntityAutocomplete {
  /**
   * {@inheritdoc}
   */
  public static function processEntityAutocomplete(array &$element, FormStateInterface $form_state, array &$complete_form) {
    // Nothing to do if there is no target entity type.
    if (empty($element['#target_type'])) {
      throw new \InvalidArgumentException('Missing required #target_type parameter.');
    }
    // Provide default values and sanity checks for the #autocreate parameter.
    if ($element['#autocreate']) {
      if (!isset($element['#autocreate']['bundle'])) {
        throw new \InvalidArgumentException("Missing required #autocreate['bundle'] parameter.");
      }
      // Default the autocreate user ID to the current user.
      $element['#autocreate']['uid'] = isset($element['#autocreate']['uid']) ? $element['#autocreate']['uid'] : \Drupal::currentUser()
        ->id();
    }
    // Store the selection settings in the key/value store and pass a hashed key
    // in the route parameters.
    $selection_settings = isset($element['#selection_settings']) ? $element['#selection_settings'] : [];
    $data = serialize($selection_settings) . $element['#target_type'] . $element['#selection_handler'];
    $selection_settings_key = Crypt::hmacBase64($data, Settings::getHashSalt());
    $key_value_storage = \Drupal::keyValue('bat_unit_autocomplete');
    if (!$key_value_storage
      ->has($selection_settings_key)) {
      $key_value_storage
        ->set($selection_settings_key, $selection_settings);
    }
    $element['#autocomplete_route_name'] = 'bat_calendar_reference.bat_unit_autocomplete';
    $element['#autocomplete_route_parameters'] = [
      'target_type' => $element['#target_type'],
      'selection_handler' => $element['#selection_handler'],
      'selection_settings_key' => $selection_settings_key,
    ];
    return $element;
  }
}Members
| Name   | Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| BatUnitAutocomplete:: | public static | function | Adds entity autocomplete functionality to a form element. Overrides EntityAutocomplete:: | |
| DependencySerializationTrait:: | protected | property | An array of entity type IDs keyed by the property name of their storages. | |
| DependencySerializationTrait:: | protected | property | An array of service IDs keyed by property name used for serialization. | |
| DependencySerializationTrait:: | public | function | 1 | |
| DependencySerializationTrait:: | public | function | 2 | |
| EntityAutocomplete:: | public static | function | Extracts the entity ID from the autocompletion result. | |
| EntityAutocomplete:: | public static | function | Converts an array of entity objects into a string of entity labels. | |
| EntityAutocomplete:: | public | function | Returns the element properties for this element. Overrides Textfield:: | |
| EntityAutocomplete:: | protected static | function | Finds an entity from an autocomplete input without an explicit ID. | |
| EntityAutocomplete:: | public static | function | Form element validation handler for entity_autocomplete elements. | |
| EntityAutocomplete:: | public static | function | Determines how user input is mapped to an element's #value property. Overrides Textfield:: | |
| FormElement:: | public static | function | Adds autocomplete functionality to elements. | |
| FormElement:: | public static | function | #process callback for #pattern form element property. | |
| FormElement:: | public static | function | #element_validate callback for #pattern form element property. | |
| MessengerTrait:: | protected | property | The messenger. | 29 | 
| MessengerTrait:: | public | function | Gets the messenger. | 29 | 
| MessengerTrait:: | public | function | Sets the messenger. | |
| PluginBase:: | protected | property | Configuration information passed into the plugin. | 1 | 
| PluginBase:: | protected | property | The plugin implementation definition. | 1 | 
| PluginBase:: | protected | property | The plugin_id. | |
| PluginBase:: | constant | A string which is used to separate base plugin IDs from the derivative ID. | ||
| PluginBase:: | public | function | Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface:: | |
| PluginBase:: | public | function | Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface:: | |
| PluginBase:: | public | function | Gets the definition of the plugin implementation. Overrides PluginInspectionInterface:: | 3 | 
| PluginBase:: | public | function | Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface:: | |
| PluginBase:: | public | function | Determines if the plugin is configurable. | |
| PluginBase:: | public | function | Constructs a \Drupal\Component\Plugin\PluginBase object. | 92 | 
| RenderElement:: | public static | function | Adds Ajax information about an element to communicate with JavaScript. | |
| RenderElement:: | public static | function | Adds members of this group as actual elements for rendering. | |
| RenderElement:: | public static | function | Form element processing handler for the #ajax form property. | 1 | 
| RenderElement:: | public static | function | Arranges elements into groups. | |
| RenderElement:: | public static | function | Sets a form element's class attribute. Overrides ElementInterface:: | |
| StringTranslationTrait:: | protected | property | The string translation service. | 1 | 
| StringTranslationTrait:: | protected | function | Formats a string containing a count of items. | |
| StringTranslationTrait:: | protected | function | Returns the number of plurals supported by a given language. | |
| StringTranslationTrait:: | protected | function | Gets the string translation service. | |
| StringTranslationTrait:: | public | function | Sets the string translation service to use. | 2 | 
| StringTranslationTrait:: | protected | function | Translates a string to the current language or to a given language. | |
| Textfield:: | public static | function | Prepares a #type 'textfield' render element for input.html.twig. | 
