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abstract class Mapping in Drupal 10

Same name in this branch
  1. 10 core/lib/Drupal/Core/Config/Schema/Mapping.php \Drupal\Core\Config\Schema\Mapping
  2. 10 core/modules/views/src/Plugin/views/style/Mapping.php \Drupal\views\Plugin\views\style\Mapping
Same name and namespace in other branches
  1. 8 core/modules/views/src/Plugin/views/style/Mapping.php \Drupal\views\Plugin\views\style\Mapping
  2. 9 core/modules/views/src/Plugin/views/style/Mapping.php \Drupal\views\Plugin\views\style\Mapping

Allows fields to be mapped to specific use cases.

Hierarchy

Expanded class hierarchy of Mapping

Related topics

1 file declares its use of Mapping
MappingTest.php in core/modules/views/tests/modules/views_test_data/src/Plugin/views/style/MappingTest.php
3 string references to 'Mapping'
ConfigSchemaTest::testSchemaMapping in core/tests/Drupal/KernelTests/Core/Config/ConfigSchemaTest.php
Tests the basic metadata retrieval layer.
core.data_types.schema.yml in core/config/schema/core.data_types.schema.yml
core/config/schema/core.data_types.schema.yml
views_test_data.views.schema.yml in core/modules/views/tests/modules/views_test_data/config/schema/views_test_data.views.schema.yml
core/modules/views/tests/modules/views_test_data/config/schema/views_test_data.views.schema.yml

File

core/modules/views/src/Plugin/views/style/Mapping.php, line 12

Namespace

Drupal\views\Plugin\views\style
View source
abstract class Mapping extends StylePluginBase {

  /**
   * Do not use grouping.
   *
   * @var bool
   */
  protected $usesGrouping = FALSE;

  /**
   * Use fields without a row plugin.
   *
   * @var bool
   */
  protected $usesFields = TRUE;

  /**
   * Builds the list of field mappings.
   *
   * @return array
   *   An associative array, keyed by the field name, containing the following
   *   key-value pairs:
   *   - #title: The human-readable label for this field.
   *   - #default_value: The default value for this field. If not provided, an
   *     empty string will be used.
   *   - #description: A description of this field.
   *   - #required: Whether this field is required.
   *   - #filter: (optional) A method on the plugin to filter field options.
   *   - #toggle: (optional) If this select should be toggled by a checkbox.
   */
  protected abstract function defineMapping();

  /**
   * {@inheritdoc}
   */
  protected function defineOptions() {
    $options = parent::defineOptions();

    // Parse the mapping and add a default for each.
    foreach ($this
      ->defineMapping() as $key => $value) {
      $default = !empty($value['#multiple']) ? [] : '';
      $options['mapping']['contains'][$key] = [
        'default' => $value['#default_value'] ?? $default,
      ];
      if (!empty($value['#toggle'])) {
        $options['mapping']['contains']["toggle_{$key}"] = [
          'default' => FALSE,
        ];
      }
    }
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);

    // Get the mapping.
    $mapping = $this
      ->defineMapping();

    // Restrict the list of defaults to the mapping, in case they have changed.
    $options = array_intersect_key($this->options['mapping'], $mapping);

    // Get the labels of the fields added to this display.
    $field_labels = $this->displayHandler
      ->getFieldLabels();

    // Provide some default values.
    $defaults = [
      '#type' => 'select',
      '#required' => FALSE,
      '#multiple' => FALSE,
    ];

    // For each mapping, add a select element to the form.
    foreach ($options as $key => $value) {

      // If the field is optional, add a 'None' value to the top of the options.
      $field_options = [];
      $required = !empty($mapping[$key]['#required']);
      if (!$required && empty($mapping[$key]['#multiple'])) {
        $field_options = [
          '' => $this
            ->t('- None -'),
        ];
      }
      $field_options += $field_labels;

      // Optionally filter the available fields.
      if (isset($mapping[$key]['#filter'])) {
        $this->view
          ->initHandlers();
        $filter = $mapping[$key]['#filter'];
        $this::$filter($field_options);
        unset($mapping[$key]['#filter']);
      }

      // These values must always be set.
      $overrides = [
        '#options' => $field_options,
        '#default_value' => $options[$key],
      ];

      // Optionally allow the select to be toggleable.
      if (!empty($mapping[$key]['#toggle'])) {
        $form['mapping']["toggle_{$key}"] = [
          '#type' => 'checkbox',
          '#title' => $this
            ->t('Use a custom %field_name', [
            '%field_name' => strtolower($mapping[$key]['#title']),
          ]),
          '#default_value' => $this->options['mapping']["toggle_{$key}"],
        ];
        $overrides['#states']['visible'][':input[name="style_options[mapping][' . "toggle_{$key}" . ']"]'] = [
          'checked' => TRUE,
        ];
      }
      $form['mapping'][$key] = $overrides + $mapping[$key] + $defaults;
    }
  }

  /**
   * Overrides Drupal\views\Plugin\views\style\StylePluginBase::render().
   *
   * Provides the mapping definition as an available variable.
   */
  public function render() {
    return [
      '#theme' => $this
        ->themeFunctions(),
      '#view' => $this->view,
      '#options' => $this->options,
      '#rows' => $this->view->result,
      '#mapping' => $this
        ->defineMapping(),
    ];
  }

}

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
Mapping::$usesFields protected property Use fields without a row plugin. Overrides StylePluginBase::$usesFields
Mapping::$usesGrouping protected property Do not use grouping. Overrides StylePluginBase::$usesGrouping
Mapping::buildOptionsForm public function Provide a form to edit options for this plugin. Overrides StylePluginBase::buildOptionsForm
Mapping::defineMapping abstract protected function Builds the list of field mappings. 1
Mapping::defineOptions protected function Information about options for all kinds of purposes will be held here. Overrides StylePluginBase::defineOptions
Mapping::render public function Overrides Drupal\views\Plugin\views\style\StylePluginBase::render(). Overrides StylePluginBase::render
MessengerTrait::$messenger protected property The messenger. 18
MessengerTrait::messenger public function Gets the messenger. 18
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$definition public property Plugins's definition.
PluginBase::$displayHandler public property The display object this plugin is for.
PluginBase::$options public property Options for this plugin will be held here.
PluginBase::$pluginDefinition protected property The plugin implementation definition.
PluginBase::$pluginId protected property The plugin_id.
PluginBase::$renderer protected property Stores the render API renderer.
PluginBase::$view public property The top object of a view.
PluginBase::calculateDependencies public function 4
PluginBase::create public static function 7
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::doFilterByDefinedOptions protected function Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions public function
PluginBase::getAvailableGlobalTokens public function
PluginBase::getBaseId public function
PluginBase::getDerivativeId public function
PluginBase::getPluginDefinition public function 2
PluginBase::getPluginId public function
PluginBase::getProvider public function
PluginBase::getRenderer protected function Returns the render API renderer.
PluginBase::globalTokenForm public function
PluginBase::globalTokenReplace public function
PluginBase::INCLUDE_ENTITY constant Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED constant Include negotiated languages when listing languages.
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::listLanguages protected function Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle public function
PluginBase::preRenderAddFieldsetMarkup public static function
PluginBase::preRenderFlattenData public static function
PluginBase::queryLanguageSubstitutions public static function Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults protected function Fills up the options of the plugin with defaults.
PluginBase::submitOptionsForm public function 4
PluginBase::summaryTitle public function 3
PluginBase::themeFunctions public function
PluginBase::unpackOptions public function
PluginBase::usesOptions public function 6
PluginBase::viewsTokenReplace protected function Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin.
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT constant Query string to indicate the site default language.
PluginBase::__construct public function Constructs a PluginBase object.
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. 1
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
StylePluginBase::$defaultFieldLabels protected property Should field labels be enabled by default. 1
StylePluginBase::$groupingTheme protected property The theme function used to render the grouping set.
StylePluginBase::$rendered_fields protected property Stores the rendered field values, keyed by the row index and field name.
StylePluginBase::$rowTokens protected property Store all available tokens row rows.
StylePluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. Overrides PluginBase::$usesOptions
StylePluginBase::$usesRowClass protected property Does the style plugin support custom css class for the rows. 3
StylePluginBase::$usesRowPlugin protected property Whether or not this style uses a row plugin. 10
StylePluginBase::buildSort public function Called by the view builder to see if this style handler wants to interfere with the sorts. If so it should build; if it returns any non-TRUE value, normal sorting will NOT be added to the query. 1
StylePluginBase::buildSortPost public function Called by the view builder to let the style build a second set of sorts that will come after any other sorts in the view. 1
StylePluginBase::defaultFieldLabels public function Return TRUE if this style enables field labels by default. 1
StylePluginBase::destroy public function Clears a plugin. Overrides PluginBase::destroy
StylePluginBase::elementPreRenderRow public function #pre_render callback for view row field rendering.
StylePluginBase::evenEmpty public function Should the output of the style plugin be rendered even if it's an empty view. 2
StylePluginBase::getField public function Gets a rendered field.
StylePluginBase::getFieldValue public function Get the raw field value.
StylePluginBase::getRowClass public function Return the token replaced row class for the specified row.
StylePluginBase::init public function Overrides \Drupal\views\Plugin\views\PluginBase::init(). Overrides PluginBase::init
StylePluginBase::preRender public function Allow the style to do stuff before each row is rendered.
StylePluginBase::query public function Add anything to the query that we might need to. Overrides PluginBase::query 1
StylePluginBase::renderFields protected function Renders all of the fields for a given style and store them on the object.
StylePluginBase::renderGrouping public function Group records as needed for rendering.
StylePluginBase::renderGroupingSets public function Render the grouping sets.
StylePluginBase::renderRowGroup protected function Renders a group of rows of the grouped view.
StylePluginBase::tokenizeValue public function Take a value and apply token replacement logic to it.
StylePluginBase::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides PluginBase::trustedCallbacks
StylePluginBase::usesFields public function Return TRUE if this style also uses fields. 3
StylePluginBase::usesGrouping public function Returns the usesGrouping property. 3
StylePluginBase::usesRowClass public function Returns the usesRowClass property. 3
StylePluginBase::usesRowPlugin public function Returns the usesRowPlugin property. 10
StylePluginBase::usesTokens public function Return TRUE if this style uses tokens.
StylePluginBase::validate public function Validate that the plugin is correct and can be saved. Overrides PluginBase::validate
StylePluginBase::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm
StylePluginBase::wizardSubmit public function Alter the options of a display before they are added to the view. 1
TrustedCallbackInterface::THROW_EXCEPTION constant Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION constant Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING constant Untrusted callbacks trigger E_USER_WARNING errors.