class FileUrlItem in File URL 8

Same name and namespace in other branches

2.0.x 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

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\Core\Field\Plugin\Field\FieldType\EntityReferenceItem implements PreconfiguredFieldUiOptionsInterface, OptionsProviderInterface
    class \Drupal\file\Plugin\Field\FieldType\FileItem
    class \Drupal\file_url\Plugin\Field\FieldType\FileUrlItem

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

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
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 and allows access to the form state.
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.	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.
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

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class FileUrlItem in File URL 8

Plugin annotation

Hierarchy

File

Namespace

Members

API Navigation