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class FileUrlItem in File URL 2.0.x

Same name and namespace in other branches
  1. 8 src/Plugin/Field/FieldType/FileUrlItem.php \Drupal\file_url\Plugin\Field\FieldType\FileUrlItem

Plugin implementation of the 'file_url' field type.

Plugin annotation


@FieldType(
  id = "file_url",
  label = @Translation("File URL"),
  description = @Translation("This field stores the ID of a file as an URI."),
  category = @Translation("Reference"),
  default_widget = "file_url_generic",
  default_formatter = "file_url_default",
  list_class = "\Drupal\file_url\Plugin\Field\FieldType\FileUrlFieldItemList",

)

Hierarchy

Expanded class hierarchy of FileUrlItem

File

src/Plugin/Field/FieldType/FileUrlItem.php, line 24

Namespace

Drupal\file_url\Plugin\Field\FieldType
View source 
class FileUrlItem extends FileItem {

  /**
   * {@inheritdoc}
   */
  public static function defaultFieldSettings() {
    return [
      'handler' => 'file_url_default',
    ] + parent::defaultFieldSettings();
  }

  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    $schema = parent::schema($field_definition);
    $schema['columns']['target_id'] = [
      'description' => 'The URI of the file entity.',
      'type' => 'varchar',
      'length' => 2048,
    ];
    unset($schema['foreign keys']);
    return $schema;
  }

  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties = parent::propertyDefinitions($field_definition);
    $target_id_definition = DataReferenceTargetDefinition::create('string')
      ->setLabel(new TranslatableMarkup('@label ID', [
      '@label' => 'file',
    ]));
    $target_id_definition
      ->setRequired(TRUE);
    $properties['target_id'] = $target_id_definition;
    return $properties;
  }

  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    $is_empty = parent::isEmpty();

    // An entity reference item is empty when the target ID is strictly NULL in
    // order to allow pointing to 0 (integer zero) or '' (empty string). That
    // makes sense if you think that a user reference can point to Anonymous
    // user (uid === 0) or a taxonomy term points to the root (tid === 0). But
    // an file_url item is empty when the target ID is '' (empty string).
    if (!$is_empty && is_string($this->target_id)) {
      $target_id = trim($this->target_id);
      if ($target_id === '') {
        return TRUE;
      }
    }
    return $is_empty;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 2
DependencySerializationTrait::__wakeup public function 2
EntityReferenceItem::calculateDependencies public static function Calculates dependencies for field items. Overrides FieldItemBase::calculateDependencies
EntityReferenceItem::calculateStorageDependencies public static function Calculates dependencies for field items on the storage level. Overrides FieldItemBase::calculateStorageDependencies
EntityReferenceItem::fieldSettingsAjaxProcess public static function Render API callback: Processes the field settings form.
EntityReferenceItem::fieldSettingsAjaxProcessElement public static function Adds entity_reference specific properties to AJAX form elements from the field settings form.
EntityReferenceItem::fieldSettingsFormValidate public static function Form element validation handler; Invokes selection plugin's validation.
EntityReferenceItem::formProcessMergeParent public static function Render API callback: Moves entity_reference specific Form API elements (i.e. 'handler_settings') up a level for easier processing by the validation and submission handlers.
EntityReferenceItem::getConstraints public function Gets a list of validation constraints. Overrides TypedData::getConstraints
EntityReferenceItem::getPossibleOptions public function Returns an array of possible values with labels for display. Overrides OptionsProviderInterface::getPossibleOptions
EntityReferenceItem::getPossibleValues public function Returns an array of possible values. Overrides OptionsProviderInterface::getPossibleValues
EntityReferenceItem::getRandomBundle protected static function Gets a bundle for a given entity type and selection options.
EntityReferenceItem::getSettableOptions public function Returns an array of settable values with labels for display. Overrides OptionsProviderInterface::getSettableOptions
EntityReferenceItem::getSettableValues public function Returns an array of settable values. Overrides OptionsProviderInterface::getSettableValues
EntityReferenceItem::getValue public function Gets the data value. Overrides Map::getValue
EntityReferenceItem::hasNewEntity public function Determines whether the item holds an unsaved entity.
EntityReferenceItem::mainPropertyName public static function Returns the name of the main property, if any. Overrides FieldItemBase::mainPropertyName
EntityReferenceItem::onChange public function React to changes to a child property or item. Overrides Map::onChange
EntityReferenceItem::onDependencyRemoval public static function Informs the plugin that a dependency of the field will be deleted. Overrides FieldItemBase::onDependencyRemoval
EntityReferenceItem::preSave public function Defines custom presave behavior for field values. Overrides FieldItemBase::preSave 1
EntityReferenceItem::settingsAjax public static function Ajax callback for the handler settings form.
EntityReferenceItem::settingsAjaxSubmit public static function Submit handler for the non-JS case.
EntityReferenceItem::setValue public function Sets the data value. Overrides FieldItemBase::setValue
FieldItemBase::delete public function Defines custom delete behavior for field values. Overrides FieldItemInterface::delete 2
FieldItemBase::deleteRevision public function Defines custom revision delete behavior for field values. Overrides FieldItemInterface::deleteRevision
FieldItemBase::fieldSettingsFromConfigData public static function Returns a settings array in the field type's canonical representation. Overrides FieldItemInterface::fieldSettingsFromConfigData 1
FieldItemBase::fieldSettingsToConfigData public static function Returns a settings array that can be stored as a configuration value. Overrides FieldItemInterface::fieldSettingsToConfigData 1
FieldItemBase::getEntity public function Gets the entity that field belongs to. Overrides FieldItemInterface::getEntity
FieldItemBase::getFieldDefinition public function Gets the field definition. Overrides FieldItemInterface::getFieldDefinition
FieldItemBase::getLangcode public function Gets the langcode of the field values held in the object. Overrides FieldItemInterface::getLangcode
FieldItemBase::getSetting protected function Returns the value of a field setting.
FieldItemBase::getSettings protected function Returns the array of field settings.
FieldItemBase::postSave public function Defines custom post-save behavior for field values. Overrides FieldItemInterface::postSave 2
FieldItemBase::storageSettingsFromConfigData public static function Returns a settings array in the field type's canonical representation. Overrides FieldItemInterface::storageSettingsFromConfigData 2
FieldItemBase::storageSettingsToConfigData public static function Returns a settings array that can be stored as a configuration value. Overrides FieldItemInterface::storageSettingsToConfigData 2
FieldItemBase::view public function Returns a renderable array for a single field item. Overrides FieldItemInterface::view
FieldItemBase::writePropertyValue 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::writePropertyValue
FieldItemBase::__construct public function Constructs a TypedData object given its definition and context. Overrides TypedData::__construct 1
FieldItemBase::__get public function Magic method: Gets a property value. Overrides FieldItemInterface::__get 2
FieldItemBase::__isset public function Magic method: Determines whether a property is set. Overrides FieldItemInterface::__isset
FieldItemBase::__set public function Magic method: Sets a property value. Overrides FieldItemInterface::__set 1
FieldItemBase::__unset public function Magic method: Unsets a property. Overrides FieldItemInterface::__unset
FileItem::defaultStorageSettings public static function Defines the storage-level settings for this plugin. Overrides EntityReferenceItem::defaultStorageSettings 1
FileItem::doGetUploadLocation protected static function Determines the URI for a file field.
FileItem::fieldSettingsForm public function Returns a form for the field-level settings. Overrides EntityReferenceItem::fieldSettingsForm 1
FileItem::generateSampleValue public static function Generates placeholder field values. Overrides EntityReferenceItem::generateSampleValue 1
FileItem::getPreconfiguredOptions public static function Returns preconfigured field options for a field type. Overrides EntityReferenceItem::getPreconfiguredOptions
FileItem::getUploadLocation public function Determines the URI for a file field.
FileItem::getUploadValidators public function Retrieves the upload validators for a file field.
FileItem::isDisplayed public function Determines whether an item should be displayed when rendering the field. 1
FileItem::storageSettingsForm public function Returns a form for the storage-level settings. Overrides EntityReferenceItem::storageSettingsForm 1
FileItem::validateDirectory public static function Form API callback.
FileItem::validateExtensions public static function Form API callback.
FileItem::validateMaxFilesize public static function Form API callback.
FileUrlItem::defaultFieldSettings public static function Defines the field-level settings for this plugin. Overrides FileItem::defaultFieldSettings
FileUrlItem::isEmpty public function Determines whether the data structure is empty. Overrides EntityReferenceItem::isEmpty
FileUrlItem::propertyDefinitions public static function Defines field item properties. Overrides FileItem::propertyDefinitions
FileUrlItem::schema public static function Returns the schema for the field. Overrides FileItem::schema
Map::$definition protected property The data definition. Overrides TypedData::$definition
Map::$properties protected property The array of properties.
Map::$values protected property An array of values for the contained properties.
Map::applyDefaultValue public function Applies the default value. Overrides TypedData::applyDefaultValue 4
Map::get public function Gets a property object. Overrides ComplexDataInterface::get
Map::getIterator public function
Map::getProperties public function Gets an array of property objects. Overrides ComplexDataInterface::getProperties
Map::getString public function Returns a string representation of the data. Overrides TypedData::getString
Map::set public function Sets a property value. Overrides ComplexDataInterface::set
Map::toArray public function Returns an array of all property values. Overrides ComplexDataInterface::toArray 1
Map::__clone public function Magic method: Implements a deep clone.
StringTranslationTrait::$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.
TypedData::$name protected property The property name.
TypedData::$parent protected property The parent typed data object.
TypedData::createInstance public static function Constructs a TypedData object given its definition and context. Overrides TypedDataInterface::createInstance
TypedData::getDataDefinition public function Gets the data definition. Overrides TypedDataInterface::getDataDefinition
TypedData::getName public function Returns the name of a property or item. Overrides TypedDataInterface::getName
TypedData::getParent public function Returns the parent data structure; i.e. either complex data or a list. Overrides TypedDataInterface::getParent
TypedData::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
TypedData::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
TypedData::getPropertyPath public function Returns the property path of the data. Overrides TypedDataInterface::getPropertyPath
TypedData::getRoot public function Returns the root of the typed data tree. Overrides TypedDataInterface::getRoot
TypedData::setContext public function Sets the context of a property or item via a context aware parent. Overrides TypedDataInterface::setContext
TypedData::validate public function Validates the currently set data value. Overrides TypedDataInterface::validate
TypedDataTrait::$typedDataManager protected property The typed data manager used for creating the data types.
TypedDataTrait::getTypedDataManager public function Gets the typed data manager. 2
TypedDataTrait::setTypedDataManager public function Sets the typed data manager. 2