class ListFieldBuilder in Diff 8

Plugin to diff list fields.

Plugin annotation

@FieldDiffBuilder(
  id = "list_field_diff_builder",
  label = @Translation("List Field Diff"),
  field_types = {
    "list_string",
    "list_integer",
    "list_float"
  },
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\diff\FieldDiffBuilderBase implements ContainerFactoryPluginInterface, FieldDiffBuilderInterface
      • class \Drupal\diff\Plugin\diff\Field\ListFieldBuilder

File

src/Plugin/diff/Field/ListFieldBuilder.php, line 22

Namespace

Drupal\diff\Plugin\diff\Field

class ListFieldBuilder extends FieldDiffBuilderBase {

  /**
   * {@inheritdoc}
   */
  public function build(FieldItemListInterface $field_items) {
    $result = array();

    // Every item from $field_items is of type FieldItemInterface.
    foreach ($field_items as $field_key => $field_item) {

      // Build the array for comparison only if the field is not empty.
      if (!$field_item
        ->isEmpty()) {
        $possible_options = $field_item
          ->getPossibleOptions();
        $values = $field_item
          ->getValue();
        if ($this->configuration['compare']) {
          switch ($this->configuration['compare']) {
            case 'both':
              $result[$field_key][] = $possible_options[$values['value']] . ' (' . $values['value'] . ')';
              break;
            case 'label':
              $result[$field_key][] = $possible_options[$values['value']];
              break;
            default:
              $result[$field_key][] = $values['value'];
              break;
          }
        }
      }
    }
    return $result;
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['compare'] = array(
      '#type' => 'radios',
      '#title' => $this
        ->t('Comparison method'),
      '#options' => array(
        'label' => $this
          ->t('Label'),
        'key' => $this
          ->t('Key'),
        'both' => $this
          ->t('Label (key)'),
      ),
      '#default_value' => $this->configuration['compare'],
    );
    return parent::buildConfigurationForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    $this->configuration['compare'] = $form_state
      ->getValue('compare');
    parent::submitConfigurationForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    $default_configuration = array(
      'compare' => 'key',
    );
    $default_configuration += parent::defaultConfiguration();
    return $default_configuration;
  }

}

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
FieldDiffBuilderBase::$configFactory	protected	property	Contains the configuration object factory.
FieldDiffBuilderBase::$entityParser	protected	property	The entity parser.
FieldDiffBuilderBase::$entityTypeManager	protected	property	The entity type manager.
FieldDiffBuilderBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create	1
FieldDiffBuilderBase::getConfiguration	public	function	Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
FieldDiffBuilderBase::isApplicable	public static	function	Returns if the plugin can be used for the provided field. Overrides FieldDiffBuilderInterface::isApplicable	2
FieldDiffBuilderBase::setConfiguration	public	function	Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
FieldDiffBuilderBase::validateConfigurationForm	public	function	Form validation handler. Overrides PluginFormInterface::validateConfigurationForm
FieldDiffBuilderBase::__construct	public	function	Constructs a FieldDiffBuilderBase object. Overrides PluginBase::__construct	1
ListFieldBuilder::build	public	function	Builds an array of strings. Overrides FieldDiffBuilderInterface::build
ListFieldBuilder::buildConfigurationForm	public	function	Form constructor. Overrides FieldDiffBuilderBase::buildConfigurationForm
ListFieldBuilder::defaultConfiguration	public	function	Gets default configuration for this plugin. Overrides FieldDiffBuilderBase::defaultConfiguration
ListFieldBuilder::submitConfigurationForm	public	function	Form submission handler. Overrides FieldDiffBuilderBase::submitConfigurationForm
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
StringTranslationTrait::$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.