class FloatItem

Defines the 'float' field type.

Plugin annotation


@FieldType(
  id = "float",
  label = @Translation("Number (float)"),
  description = @Translation("This field stores a number in the database in a floating point format."),
  category = @Translation("Number"),
  default_widget = "number",
  default_formatter = "number_decimal"
)

Hierarchy

Expanded class hierarchy of FloatItem

File

View on git.drupalcode.org

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/FloatItem.php, line 22

Namespace

Drupal\Core\Field\Plugin\Field\FieldType
View source 
class FloatItem extends NumericItemBase {
  
  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties['value'] = DataDefinition::create('float')->setLabel(t('Float'))
      ->setRequired(TRUE);
    return $properties;
  }
  
  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'value' => [
          'type' => 'float',
        ],
      ],
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
    $element = parent::fieldSettingsForm($form, $form_state);
    $element['min']['#step'] = 'any';
    $element['max']['#step'] = 'any';
    return $element;
  }
  
  /**
   * {@inheritdoc}
   */
  public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
    $settings = $field_definition->getSettings();
    $precision = rand(10, 32);
    $scale = rand(0, 2);
    $max = is_numeric($settings['max']) ? $settings['max'] : pow(10, $precision - $scale) - 1;
    $min = is_numeric($settings['min']) ? $settings['min'] : -pow(10, $precision - $scale) + 1;
    // @see "Example #1 Calculate a random floating-point number" in
    // http://php.net/manual/function.mt-getrandmax.php
    $random_decimal = $min + mt_rand() / mt_getrandmax() * ($max - $min);
    $values['value'] = self::truncateDecimal($random_decimal, $scale);
    return $values;
  }

}

Members

Title Modifiers Object type Summary Overriden Title 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 2
DependencySerializationTrait::__wakeup public function #[\ReturnTypeWillChange] 2
FieldItemBase::calculateDependencies public static function Overrides FieldItemInterface::calculateDependencies 2
FieldItemBase::calculateStorageDependencies public static function Overrides FieldItemInterface::calculateStorageDependencies 1
FieldItemBase::defaultStorageSettings public static function Overrides FieldItemInterface::defaultStorageSettings 10
FieldItemBase::delete public function Overrides FieldItemInterface::delete 2
FieldItemBase::deleteRevision public function Overrides FieldItemInterface::deleteRevision
FieldItemBase::fieldSettingsFromConfigData public static function Overrides FieldItemInterface::fieldSettingsFromConfigData 1
FieldItemBase::fieldSettingsToConfigData public static function Overrides FieldItemInterface::fieldSettingsToConfigData 1
FieldItemBase::getEntity public function Overrides FieldItemInterface::getEntity
FieldItemBase::getFieldDefinition public function Overrides FieldItemInterface::getFieldDefinition
FieldItemBase::getLangcode public function 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::mainPropertyName public static function Overrides FieldItemInterface::mainPropertyName 8
FieldItemBase::onDependencyRemoval public static function Overrides FieldItemInterface::onDependencyRemoval 1
FieldItemBase::postSave public function Overrides FieldItemInterface::postSave 2
FieldItemBase::preSave public function Overrides FieldItemInterface::preSave 7
FieldItemBase::setValue public function Overrides Map::setValue 4
FieldItemBase::storageSettingsForm public function Overrides FieldItemInterface::storageSettingsForm 8
FieldItemBase::storageSettingsFromConfigData public static function Overrides FieldItemInterface::storageSettingsFromConfigData 2
FieldItemBase::storageSettingsToConfigData public static function Overrides FieldItemInterface::storageSettingsToConfigData 2
FieldItemBase::view public function 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
$this->values if no property object has been created yet. 		Overrides Map::writePropertyValue
FieldItemBase::__construct public function Overrides TypedData::__construct 1
FieldItemBase::__get public function Overrides FieldItemInterface::__get 2
FieldItemBase::__isset public function Overrides FieldItemInterface::__isset
FieldItemBase::__set public function Overrides FieldItemInterface::__set 1
FieldItemBase::__unset public function Overrides FieldItemInterface::__unset
FloatItem::fieldSettingsForm public function Overrides NumericItemBase::fieldSettingsForm
FloatItem::generateSampleValue public static function Overrides FieldItemBase::generateSampleValue
FloatItem::propertyDefinitions public static function Overrides FieldItemInterface::propertyDefinitions
FloatItem::schema public static function Overrides FieldItemInterface::schema
Map::$definition protected property The data definition. Overrides TypedData::$definition
Map::$properties protected property The array of properties.
Map::$values protected property An array of values for the contained properties.
Map::applyDefaultValue public function Overrides TypedData::applyDefaultValue 4
Map::get public function Overrides ComplexDataInterface::get
Map::getIterator public function #[\ReturnTypeWillChange]
Map::getProperties public function Overrides ComplexDataInterface::getProperties
Map::getString public function Overrides TypedData::getString
Map::getValue public function Overrides TypedData::getValue 1
Map::onChange public function Overrides TraversableTypedDataInterface::onChange 4
Map::set public function Overrides ComplexDataInterface::set
Map::toArray public function Overrides ComplexDataInterface::toArray 1
Map::__clone public function Magic method: Implements a deep clone.
NumericItemBase::defaultFieldSettings public static function Overrides FieldItemBase::defaultFieldSettings 1
NumericItemBase::getConstraints public function Overrides TypedData::getConstraints 2
NumericItemBase::isEmpty public function Overrides Map::isEmpty
NumericItemBase::truncateDecimal protected static function Helper method to truncate a decimal number to a given number of decimals.
StringTranslationTrait::$stringTranslation protected property The string translation service. 3
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 Overrides TypedDataInterface::createInstance
TypedData::getDataDefinition public function Overrides TypedDataInterface::getDataDefinition
TypedData::getName public function Overrides TypedDataInterface::getName
TypedData::getParent public function Overrides TypedDataInterface::getParent
TypedData::getPluginDefinition public function Overrides PluginInspectionInterface::getPluginDefinition
TypedData::getPluginId public function Overrides PluginInspectionInterface::getPluginId
TypedData::getPropertyPath public function Overrides TypedDataInterface::getPropertyPath
TypedData::getRoot public function Overrides TypedDataInterface::getRoot
TypedData::setContext public function Overrides TypedDataInterface::setContext
TypedData::validate public function 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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