class FaqFieldItem in FAQ Field 8

Same name and namespace in other branches

2.0.x src/Plugin/Field/FieldType/FaqFieldItem.php \Drupal\faqfield\Plugin\Field\FieldType\FaqFieldItem

Plugin implementation of the 'faqfield' field type.

Plugin annotation


@FieldType(
  id = "faqfield",
  label = @Translation("FAQ Field"),
  description = @Translation("Stores a question, an answer and its format to
  assemble a FAQ."), default_widget = "faqfield_default", default_formatter
  = "faqfield_accordion"
)

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\faqfield\Plugin\Field\FieldType\FaqFieldItem

Expanded class hierarchy of FaqFieldItem

File

src/Plugin/Field/FieldType/FaqFieldItem.php, line 21

Namespace

Drupal\faqfield\Plugin\Field\FieldType

View source

class FaqFieldItem extends FieldItemBase {

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

  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties = [];
    $properties['question'] = DataDefinition::create('string')
      ->setLabel(t('Question value'));
    $properties['answer'] = DataDefinition::create('string')
      ->setLabel(t('Answer value'));
    $properties['answer_format'] = DataDefinition::create('string')
      ->setLabel(t('Answer text format'));
    return $properties;
  }

  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'question' => [
          'description' => 'The FAQ Field question values.',
          'type' => 'varchar',
          'length' => 255,
          'not null' => FALSE,
        ],
        'answer' => [
          'description' => 'The FAQ Field answer values.',
          'type' => 'text',
          'not null' => TRUE,
          'size' => 'medium',
        ],
        'answer_format' => [
          'description' => 'The FAQ Field answer format.',
          'type' => 'varchar',
          'length' => 255,
          'not null' => FALSE,
        ],
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
    $element = [];

    // Get a list of formats that the current user has access to.
    $formats = filter_formats();
    $filter_options = [];
    foreach ($formats as $format) {
      $filter_options[$format
        ->get('format')] = $format
        ->get('name');
    }

    // Format select input for field settings.
    $element['default_format'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Default text format'),
      '#default_value' => $this
        ->getSetting('default_format'),
      '#options' => $filter_options,
      '#access' => count($formats) > 1,
      '#required' => TRUE,
      '#description' => $this
        ->t('Default text format to filter FAQ field answer content.'),
    ];
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    $answer = $this
      ->get('answer')
      ->getValue();
    $question = $this
      ->get('question')
      ->getValue();
    $answer_value = is_array($answer) ? $answer['value'] : $answer;

    // Return TRUE only if both are empty.
    return empty($question) && empty($answer_value);
  }

  /**
   * {@inheritdoc}
   */
  public static function mainPropertyName() {
    return 'question';
  }

  /**
   * {@inheritdoc}
   */
  public function setValue($values, $notify = TRUE) {
    if (is_array($values) && isset($values['answer']) && is_array($values['answer'])) {

      // Normal textarea's and textfields put their values simply in by
      // array($name => $value); Unfortunately text_format textareas put
      // them into an array so also the format gets saved: array($name
      // => array('value' => $value, 'format' => $format)).
      // So the API will try to save normal textfields to the 'name' field
      // and text_format fields to 'answer_value' and 'answer_format'.
      // To bypass this, we pull the values out of this array and force
      // them to be saved in 'answer' and 'answer_format'.
      $values['answer_format'] = $values['answer']['format'];
      $values['answer'] = $values['answer']['value'];
    }
    parent::setValue($values, $notify);
  }

}

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
FaqFieldItem::defaultFieldSettings	public static	function	Defines the field-level settings for this plugin. Overrides FieldItemBase::defaultFieldSettings
FaqFieldItem::fieldSettingsForm	public	function	Returns a form for the field-level settings. Overrides FieldItemBase::fieldSettingsForm
FaqFieldItem::isEmpty	public	function	Determines whether the data structure is empty. Overrides Map::isEmpty
FaqFieldItem::mainPropertyName	public static	function	Returns the name of the main property, if any. Overrides FieldItemBase::mainPropertyName
FaqFieldItem::propertyDefinitions	public static	function	Defines field item properties. Overrides FieldItemInterface::propertyDefinitions
FaqFieldItem::schema	public static	function	Returns the schema for the field. Overrides FieldItemInterface::schema
FaqFieldItem::setValue	public	function	Sets the data value. Overrides FieldItemBase::setValue
FieldItemBase::calculateDependencies	public static	function	Calculates dependencies for field items. Overrides FieldItemInterface::calculateDependencies	2
FieldItemBase::calculateStorageDependencies	public static	function	Calculates dependencies for field items on the storage level. Overrides FieldItemInterface::calculateStorageDependencies	1
FieldItemBase::defaultStorageSettings	public static	function	Defines the storage-level settings for this plugin. Overrides FieldItemInterface::defaultStorageSettings	10
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::generateSampleValue	public static	function	Generates placeholder field values. Overrides FieldItemInterface::generateSampleValue	18
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::onDependencyRemoval	public static	function	Informs the plugin that a dependency of the field will be deleted. Overrides FieldItemInterface::onDependencyRemoval	1
FieldItemBase::postSave	public	function	Defines custom post-save behavior for field values. Overrides FieldItemInterface::postSave	2
FieldItemBase::preSave	public	function	Defines custom presave behavior for field values. Overrides FieldItemInterface::preSave	7
FieldItemBase::storageSettingsForm	public	function	Returns a form for the storage-level settings. Overrides FieldItemInterface::storageSettingsForm	8
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 $this->values if no property object has been created yet. Overrides Map::writePropertyValue
FieldItemBase::__construct	public	function	Constructs a TypedData object given its definition and context. Overrides TypedData::__construct	1
FieldItemBase::__get	public	function	Magic method: Gets a property value. Overrides FieldItemInterface::__get	2
FieldItemBase::__isset	public	function	Magic method: Determines whether a property is set. Overrides FieldItemInterface::__isset
FieldItemBase::__set	public	function	Magic method: Sets a property value. Overrides FieldItemInterface::__set	1
FieldItemBase::__unset	public	function	Magic method: Unsets a property. Overrides FieldItemInterface::__unset
Map::$definition	protected	property	The data definition. Overrides TypedData::$definition
Map::$properties	protected	property	The array of properties.
Map::$values	protected	property	An array of values for the contained properties.
Map::applyDefaultValue	public	function	Applies the default value. Overrides TypedData::applyDefaultValue	4
Map::get	public	function	Gets a property object. Overrides ComplexDataInterface::get
Map::getIterator	public	function
Map::getProperties	public	function	Gets an array of property objects. Overrides ComplexDataInterface::getProperties
Map::getString	public	function	Returns a string representation of the data. Overrides TypedData::getString
Map::getValue	public	function	Gets the data value. Overrides TypedData::getValue	1
Map::onChange	public	function	Overrides TraversableTypedDataInterface::onChange	4
Map::set	public	function	Sets a property value. Overrides ComplexDataInterface::set
Map::toArray	public	function	Returns an array of all property values. Overrides ComplexDataInterface::toArray	1
Map::__clone	public	function	Magic method: Implements a deep clone.
StringTranslationTrait::$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::getConstraints	public	function	Gets a list of validation constraints. Overrides TypedDataInterface::getConstraints	9
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 FaqFieldItem in FAQ Field 8

Plugin annotation

Hierarchy

File

Namespace

Members

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