class OptionalEndDateDateRangeItem in Optional End Date 8
Custom DateRangeItem for optional end_value.
Hierarchy
- class \Drupal\Core\TypedData\TypedData implements PluginInspectionInterface, TypedDataInterface uses DependencySerializationTrait, StringTranslationTrait, TypedDataTrait
- class \Drupal\Core\TypedData\Plugin\DataType\Map implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, ComplexDataInterface
- class \Drupal\Core\Field\FieldItemBase implements FieldItemInterface
- class \Drupal\datetime\Plugin\Field\FieldType\DateTimeItem implements DateTimeItemInterface
- class \Drupal\datetime_range\Plugin\Field\FieldType\DateRangeItem
- class \Drupal\optional_end_date\Plugin\Field\FieldType\OptionalEndDateDateRangeItem
 
 
 - class \Drupal\datetime_range\Plugin\Field\FieldType\DateRangeItem
 
 - class \Drupal\datetime\Plugin\Field\FieldType\DateTimeItem implements DateTimeItemInterface
 
 - class \Drupal\Core\Field\FieldItemBase implements FieldItemInterface
 
 - class \Drupal\Core\TypedData\Plugin\DataType\Map implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, ComplexDataInterface
 
Expanded class hierarchy of OptionalEndDateDateRangeItem
File
- src/
Plugin/ Field/ FieldType/ OptionalEndDateDateRangeItem.php, line 12  
Namespace
Drupal\optional_end_date\Plugin\Field\FieldTypeView source
class OptionalEndDateDateRangeItem extends DateRangeItem {
  /**
   * {@inheritdoc}
   */
  public static function defaultStorageSettings() {
    return [
      'optional_end_date' => FALSE,
    ] + parent::defaultStorageSettings();
  }
  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties = parent::propertyDefinitions($field_definition);
    $properties['end_value']
      ->setRequired(FALSE);
    return $properties;
  }
  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    if ($this
      ->getFieldDefinition()
      ->getFieldStorageDefinition()
      ->getSetting('optional_end_date')) {
      $start_value = $this
        ->get('value')
        ->getValue();
      return $start_value === NULL || $start_value === '';
    }
    return parent::isEmpty();
  }
  /**
   * {@inheritdoc}
   */
  public function storageSettingsForm(array &$form, FormStateInterface $form_state, $has_data) {
    $element = parent::storageSettingsForm($form, $form_state, $has_data);
    $element['optional_end_date'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Optional end date'),
      '#default_value' => $this
        ->getSetting('optional_end_date'),
    ];
    return $element;
  }
  /**
   * {@inheritdoc}
   */
  public function getConstraints() {
    $constraint_manager = \Drupal::typedDataManager()
      ->getValidationConstraintManager();
    $constraints = parent::getConstraints();
    if (empty($this
      ->getSetting('optional_end_date'))) {
      $label = $this
        ->getFieldDefinition()
        ->getLabel();
      $constraints[] = $constraint_manager
        ->create('ComplexData', [
        'end_value' => [
          'NotNull' => [
            'message' => $this
              ->t('The @title end date is required', [
              '@title' => $label,
            ]),
          ],
        ],
      ]);
    }
    return $constraints;
  }
}Members
| 
            Name | 
                  Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| 
            DateRangeItem:: | 
                  constant | Value for the 'datetime_type' setting: store a date and time. | ||
| 
            DateRangeItem:: | 
                  public static | function | 
            Generates placeholder field values. Overrides DateTimeItem:: | 
                  |
| 
            DateRangeItem:: | 
                  public | function | 
            React to changes to a child property or item. Overrides DateTimeItem:: | 
                  |
| 
            DateRangeItem:: | 
                  public static | function | 
            Returns the schema for the field. Overrides DateTimeItem:: | 
                  |
| 
            DateTimeItem:: | 
                  constant | Value for the 'datetime_type' setting: store only a date. | ||
| 
            DateTimeItem:: | 
                  constant | Value for the 'datetime_type' setting: store a date and time. | ||
| 
            DateTimeItemInterface:: | 
                  constant | Defines the format that date and time should be stored in. | ||
| 
            DateTimeItemInterface:: | 
                  constant | Defines the format that dates should be stored in. | ||
| 
            DateTimeItemInterface:: | 
                  constant | Defines the timezone that dates should be stored in. | ||
| 
            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 | |
| 
            FieldItemBase:: | 
                  public static | function | 
            Calculates dependencies for field items. Overrides FieldItemInterface:: | 
                  2 | 
| 
            FieldItemBase:: | 
                  public static | function | 
            Calculates dependencies for field items on the storage level. Overrides FieldItemInterface:: | 
                  1 | 
| 
            FieldItemBase:: | 
                  public static | function | 
            Defines the field-level settings for this plugin. Overrides FieldItemInterface:: | 
                  7 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Defines custom delete behavior for field values. Overrides FieldItemInterface:: | 
                  2 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Defines custom revision delete behavior for field values. Overrides FieldItemInterface:: | 
                  |
| 
            FieldItemBase:: | 
                  public | function | 
            Returns a form for the field-level settings. Overrides FieldItemInterface:: | 
                  7 | 
| 
            FieldItemBase:: | 
                  public static | function | 
            Returns a settings array in the field type's canonical representation. Overrides FieldItemInterface:: | 
                  1 | 
| 
            FieldItemBase:: | 
                  public static | function | 
            Returns a settings array that can be stored as a configuration value. Overrides FieldItemInterface:: | 
                  1 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Gets the entity that field belongs to. Overrides FieldItemInterface:: | 
                  |
| 
            FieldItemBase:: | 
                  public | function | 
            Gets the field definition. Overrides FieldItemInterface:: | 
                  |
| 
            FieldItemBase:: | 
                  public | function | 
            Gets the langcode of the field values held in the object. Overrides FieldItemInterface:: | 
                  |
| 
            FieldItemBase:: | 
                  protected | function | Returns the value of a field setting. | |
| 
            FieldItemBase:: | 
                  protected | function | Returns the array of field settings. | |
| 
            FieldItemBase:: | 
                  public static | function | 
            Returns the name of the main property, if any. Overrides FieldItemInterface:: | 
                  8 | 
| 
            FieldItemBase:: | 
                  public static | function | 
            Informs the plugin that a dependency of the field will be deleted. Overrides FieldItemInterface:: | 
                  1 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Defines custom post-save behavior for field values. Overrides FieldItemInterface:: | 
                  2 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Defines custom presave behavior for field values. Overrides FieldItemInterface:: | 
                  7 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Sets the data value. Overrides Map:: | 
                  4 | 
| 
            FieldItemBase:: | 
                  public static | function | 
            Returns a settings array in the field type's canonical representation. Overrides FieldItemInterface:: | 
                  2 | 
| 
            FieldItemBase:: | 
                  public static | function | 
            Returns a settings array that can be stored as a configuration value. Overrides FieldItemInterface:: | 
                  2 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Returns a renderable array for a single field item. Overrides FieldItemInterface:: | 
                  |
| 
            FieldItemBase:: | 
                  protected | function | 
            Different to the parent Map class, we avoid creating property objects as
far as possible in order to optimize performance. Thus we just update
$this->values if no property object has been created yet. Overrides Map:: | 
                  |
| 
            FieldItemBase:: | 
                  public | function | 
            Constructs a TypedData object given its definition and context. Overrides TypedData:: | 
                  1 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Magic method: Gets a property value. Overrides FieldItemInterface:: | 
                  2 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Magic method: Determines whether a property is set. Overrides FieldItemInterface:: | 
                  |
| 
            FieldItemBase:: | 
                  public | function | 
            Magic method: Sets a property value. Overrides FieldItemInterface:: | 
                  1 | 
| 
            FieldItemBase:: | 
                  public | function | 
            Magic method: Unsets a property. Overrides FieldItemInterface:: | 
                  |
| 
            Map:: | 
                  protected | property | 
            The data definition. Overrides TypedData:: | 
                  |
| 
            Map:: | 
                  protected | property | The array of properties. | |
| 
            Map:: | 
                  protected | property | An array of values for the contained properties. | |
| 
            Map:: | 
                  public | function | 
            Applies the default value. Overrides TypedData:: | 
                  4 | 
| 
            Map:: | 
                  public | function | 
            Gets a property object. Overrides ComplexDataInterface:: | 
                  |
| 
            Map:: | 
                  public | function | ||
| 
            Map:: | 
                  public | function | 
            Gets an array of property objects. Overrides ComplexDataInterface:: | 
                  |
| 
            Map:: | 
                  public | function | 
            Returns a string representation of the data. Overrides TypedData:: | 
                  |
| 
            Map:: | 
                  public | function | 
            Gets the data value. Overrides TypedData:: | 
                  1 | 
| 
            Map:: | 
                  public | function | 
            Sets a property value. Overrides ComplexDataInterface:: | 
                  |
| 
            Map:: | 
                  public | function | 
            Returns an array of all property values. Overrides ComplexDataInterface:: | 
                  1 | 
| 
            Map:: | 
                  public | function | Magic method: Implements a deep clone. | |
| 
            OptionalEndDateDateRangeItem:: | 
                  public static | function | 
            Defines the storage-level settings for this plugin. Overrides DateTimeItem:: | 
                  |
| 
            OptionalEndDateDateRangeItem:: | 
                  public | function | 
            Gets a list of validation constraints. Overrides TypedData:: | 
                  |
| 
            OptionalEndDateDateRangeItem:: | 
                  public | function | 
            Determines whether the data structure is empty. Overrides DateRangeItem:: | 
                  |
| 
            OptionalEndDateDateRangeItem:: | 
                  public static | function | 
            Defines field item properties. Overrides DateRangeItem:: | 
                  |
| 
            OptionalEndDateDateRangeItem:: | 
                  public | function | 
            Returns a form for the storage-level settings. Overrides DateRangeItem:: | 
                  |
| 
            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. | |
| 
            TypedData:: | 
                  protected | property | The property name. | |
| 
            TypedData:: | 
                  protected | property | The parent typed data object. | |
| 
            TypedData:: | 
                  public static | function | 
            Constructs a TypedData object given its definition and context. Overrides TypedDataInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Gets the data definition. Overrides TypedDataInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Returns the name of a property or item. Overrides TypedDataInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Returns the parent data structure; i.e. either complex data or a list. Overrides TypedDataInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Gets the definition of the plugin implementation. Overrides PluginInspectionInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Returns the property path of the data. Overrides TypedDataInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Returns the root of the typed data tree. Overrides TypedDataInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Sets the context of a property or item via a context aware parent. Overrides TypedDataInterface:: | 
                  |
| 
            TypedData:: | 
                  public | function | 
            Validates the currently set data value. Overrides TypedDataInterface:: | 
                  |
| 
            TypedDataTrait:: | 
                  protected | property | The typed data manager used for creating the data types. | |
| 
            TypedDataTrait:: | 
                  public | function | Gets the typed data manager. | 2 | 
| 
            TypedDataTrait:: | 
                  public | function | Sets the typed data manager. | 2 |