class EntityReference in Zircon Profile 8

The plugin that handles an EntityReference display.

"entity_reference_display" is a custom property, used with \Drupal\views\Views::getApplicableViews() to retrieve all views with a 'Entity Reference' display.

Plugin annotation

@ViewsDisplay(
  id = "entity_reference",
  title = @Translation("Entity Reference"),
  admin = @Translation("Entity Reference Source"),
  help = @Translation("Selects referenceable entities for an entity reference field."),
  theme = "views_view",
  register_theme = FALSE,
  uses_menu_links = FALSE,
  entity_reference_display = TRUE
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, StringTranslationTrait
    • class \Drupal\views\Plugin\views\PluginBase implements DependentPluginInterface, ContainerFactoryPluginInterface, ViewsPluginInterface
      • class \Drupal\views\Plugin\views\display\DisplayPluginBase implements DependentPluginInterface, DisplayPluginInterface uses PluginDependencyTrait
        • class \Drupal\views\Plugin\views\display\EntityReference

Related topics

Views display plugins

Plugins to handle the overall display of views.

1 file declares its use of EntityReference

EntityReference.php in core/modules/entity_reference/src/Plugin/views/display/EntityReference.php

Contains \Drupal\entity_reference\Plugin\views\display\EntityReference.

2 string references to 'EntityReference'

views.view.test_entity_reference.yml in core/modules/system/tests/modules/entity_reference_test/config/install/views.view.test_entity_reference.yml

core/modules/system/tests/modules/entity_reference_test/config/install/views.view.test_entity_reference.yml

views.view.test_entity_reference_entity_test.yml in core/modules/system/tests/modules/entity_reference_test/config/install/views.view.test_entity_reference_entity_test.yml

core/modules/system/tests/modules/entity_reference_test/config/install/views.view.test_entity_reference_entity_test.yml

File

core/modules/views/src/Plugin/views/display/EntityReference.php, line 30

Contains \Drupal\views\Plugin\views\display\EntityReference.

Namespace

Drupal\views\Plugin\views\display

class EntityReference extends DisplayPluginBase {

  /**
   * {@inheritdoc}
   */
  protected $usesAJAX = FALSE;

  /**
   * {@inheritdoc}
   */
  protected $usesPager = FALSE;

  /**
   * {@inheritdoc}
   */
  protected $usesAttachments = FALSE;

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

    // Force the style plugin to 'entity_reference_style' and the row plugin to
    // 'fields'.
    $options['style']['contains']['type'] = array(
      'default' => 'entity_reference',
    );
    $options['defaults']['default']['style'] = FALSE;
    $options['row']['contains']['type'] = array(
      'default' => 'entity_reference',
    );
    $options['defaults']['default']['row'] = FALSE;

    // Make sure the query is not cached.
    $options['defaults']['default']['cache'] = FALSE;

    // Set the display title to an empty string (not used in this display type).
    $options['title']['default'] = '';
    $options['defaults']['default']['title'] = FALSE;
    return $options;
  }

  /**
   * Overrides \Drupal\views\Plugin\views\display\DisplayPluginBase::optionsSummary().
   *
   * Disable 'cache' and 'title' so it won't be changed.
   */
  public function optionsSummary(&$categories, &$options) {
    parent::optionsSummary($categories, $options);
    unset($options['query']);
    unset($options['title']);
  }

  /**
   * {@inheritdoc}
   */
  public function getType() {
    return 'entity_reference';
  }

  /**
   * {@inheritdoc}
   */
  public function execute() {
    return $this->view
      ->render($this->display['id']);
  }

  /**
   * {@inheritdoc}
   */
  public function render() {
    if (!empty($this->view->result) && $this->view->style_plugin
      ->evenEmpty()) {
      return $this->view->style_plugin
        ->render($this->view->result);
    }
    return '';
  }

  /**
   * {@inheritdoc}
   */
  public function usesExposed() {
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function query() {
    if (!empty($this->view->live_preview)) {
      return;
    }

    // Make sure the id field is included in the results.
    $id_field = $this->view->storage
      ->get('base_field');
    $this->id_field_alias = $this->view->query
      ->addField($this->view->storage
      ->get('base_table'), $id_field);
    $options = $this
      ->getOption('entity_reference_options');

    // Restrict the autocomplete options based on what's been typed already.
    if (isset($options['match'])) {
      $style_options = $this
        ->getOption('style');
      $value = db_like($options['match']) . '%';
      if ($options['match_operator'] != 'STARTS_WITH') {
        $value = '%' . $value;
      }

      // Multiple search fields are OR'd together.
      $conditions = db_or();

      // Build the condition using the selected search fields.
      foreach ($style_options['options']['search_fields'] as $field_id) {
        if (!empty($field_id)) {

          // Get the table and field names for the checked field.
          $field_alias = $this->view->query
            ->addField($this->view->field[$field_id]->table, $field_id);
          $field = $this->view->query->fields[$field_alias];

          // Add an OR condition for the field.
          $conditions
            ->condition($field['table'] . '.' . $field['field'], $value, 'LIKE');
        }
      }
      $this->view->query
        ->addWhere(0, $conditions);
    }

    // Add an IN condition for validation.
    if (!empty($options['ids'])) {
      $this->view->query
        ->addWhere(0, $id_field, $options['ids']);
    }
    $this->view
      ->setItemsPerPage($options['limit']);
  }

  /**
   * {@inheritdoc}
   */
  public function validate() {
    $errors = parent::validate();

    // Verify that search fields are set up.
    $style = $this
      ->getOption('style');
    if (!isset($style['options']['search_fields'])) {
      $errors[] = $this
        ->t('Display "@display" needs a selected search fields to work properly. See the settings for the Entity Reference list format.', array(
        '@display' => $this->display['display_title'],
      ));
    }
    else {

      // Verify that the search fields used actually exist.
      $fields = array_keys($this->handlers['field']);
      foreach ($style['options']['search_fields'] as $field_alias => $enabled) {
        if ($enabled && !in_array($field_alias, $fields)) {
          $errors[] = $this
            ->t('Display "@display" uses field %field as search field, but the field is no longer present. See the settings for the Entity Reference list format.', array(
            '@display' => $this->display['display_title'],
            '%field' => $field_alias,
          ));
        }
      }
    }
    return $errors;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
DependencyTrait::$dependencies	protected	property	The object's dependencies.	1
DependencyTrait::addDependencies	protected	function	Adds multiple dependencies.
DependencyTrait::addDependency	protected	function	Adds a dependency.
DisplayPluginBase::$display	public	property	The display information coming directly from the view entity.
DisplayPluginBase::$extenders	protected	property	Stores all available display extenders.
DisplayPluginBase::$handlers	public	property	An array of instantiated handlers used in this display.
DisplayPluginBase::$output	public	property	Stores the rendered output of the display.
DisplayPluginBase::$plugins	protected	property	An array of instantiated plugins used in this display.
DisplayPluginBase::$unpackOptions	protected static	property	Static cache for unpackOptions, but not if we are in the UI.
DisplayPluginBase::$usesAreas	protected	property	Whether the display allows area plugins.	2
DisplayPluginBase::$usesMore	protected	property	Whether the display allows the use of a 'more' link or not.	1
DisplayPluginBase::$usesOptions	protected	property	Denotes whether the plugin has an additional options form. Overrides PluginBase::$usesOptions	1
DisplayPluginBase::$view		property	The top object of a view. Overrides PluginBase::$view
DisplayPluginBase::acceptAttachments	public	function	Determines whether this display can use attachments. Overrides DisplayPluginInterface::acceptAttachments
DisplayPluginBase::access	public	function	Determines if the user has access to this display of the view. Overrides DisplayPluginInterface::access
DisplayPluginBase::ajaxEnabled	public	function	Whether the display is actually using AJAX or not. Overrides DisplayPluginInterface::ajaxEnabled
DisplayPluginBase::applyDisplayCachablityMetadata	protected	function	Applies the cacheability of the current display to the given render array.
DisplayPluginBase::attachTo	public	function	Allows displays to attach to other views. Overrides DisplayPluginInterface::attachTo	2
DisplayPluginBase::buildBasicRenderable	public static	function	Builds a basic render array which can be properly render cached. Overrides DisplayPluginInterface::buildBasicRenderable	1
DisplayPluginBase::buildOptionsForm	public	function	Provide a form to edit options for this plugin. Overrides PluginBase::buildOptionsForm	4
DisplayPluginBase::buildRenderable	public	function	Builds a renderable array of the view. Overrides DisplayPluginInterface::buildRenderable
DisplayPluginBase::buildRenderingLanguageOptions	protected	function	Returns the available rendering strategies for language-aware entities.
DisplayPluginBase::calculateCacheMetadata	public	function	Calculates the display's cache metadata by inspecting each handler/plugin. Overrides DisplayPluginInterface::calculateCacheMetadata
DisplayPluginBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies	2
DisplayPluginBase::defaultableSections	public	function	Lists the 'defaultable' sections and what items each section contains. Overrides DisplayPluginInterface::defaultableSections	1
DisplayPluginBase::destroy	public	function	Clears a plugin. Overrides PluginBase::destroy
DisplayPluginBase::displaysExposed	public	function	Determines if this display should display the exposed filters widgets. Overrides DisplayPluginInterface::displaysExposed	2
DisplayPluginBase::elementPreRender	public	function	#pre_render callback for view display rendering. Overrides DisplayPluginInterface::elementPreRender
DisplayPluginBase::getAllHandlers	protected	function	Gets all the handlers used by the display.
DisplayPluginBase::getAllPlugins	protected	function	Gets all the plugins used by the display.
DisplayPluginBase::getArgumentsTokens	public	function	Returns to tokens for arguments. Overrides DisplayPluginInterface::getArgumentsTokens
DisplayPluginBase::getArgumentText	public	function	Provides help text for the arguments. Overrides DisplayPluginInterface::getArgumentText	1
DisplayPluginBase::getAttachedDisplays	public	function	Find out all displays which are attached to this display. Overrides DisplayPluginInterface::getAttachedDisplays
DisplayPluginBase::getCacheMetadata	public	function	Gets the cache metadata. Overrides DisplayPluginInterface::getCacheMetadata
DisplayPluginBase::getExtenders	public	function	Gets the display extenders. Overrides DisplayPluginInterface::getExtenders
DisplayPluginBase::getFieldLabels	public	function	Retrieves a list of fields for the current display. Overrides DisplayPluginInterface::getFieldLabels
DisplayPluginBase::getHandler	public	function	Get the handler object for a single handler. Overrides DisplayPluginInterface::getHandler
DisplayPluginBase::getHandlers	public	function	Get a full array of handlers for $type. This caches them. Overrides DisplayPluginInterface::getHandlers
DisplayPluginBase::getLinkDisplay	public	function	Returns the ID of the display to use when making links. Overrides DisplayPluginInterface::getLinkDisplay
DisplayPluginBase::getOption	public	function	Gets an option, from this display or the default display. Overrides DisplayPluginInterface::getOption
DisplayPluginBase::getPagerText	public	function	Provides help text for pagers. Overrides DisplayPluginInterface::getPagerText	1
DisplayPluginBase::getPath	public	function	Returns the base path to use for this display. Overrides DisplayPluginInterface::getPath	1
DisplayPluginBase::getPlugin	public	function	Get the instance of a plugin, for example style or row. Overrides DisplayPluginInterface::getPlugin
DisplayPluginBase::getRoutedDisplay	public	function	Points to the display which can be linked by this display. Overrides DisplayPluginInterface::getRoutedDisplay
DisplayPluginBase::getSpecialBlocks	public	function	Provides the block system with any exposed widget blocks for this display. Overrides DisplayPluginInterface::getSpecialBlocks
DisplayPluginBase::getUrl	public	function	Returns a URL to $this display or its configured linked display. Overrides DisplayPluginInterface::getUrl
DisplayPluginBase::hasPath	public	function	Checks to see if the display has a 'path' field. Overrides DisplayPluginInterface::hasPath	1
DisplayPluginBase::initDisplay	public	function	Initializes the display plugin. Overrides DisplayPluginInterface::initDisplay	1
DisplayPluginBase::isBaseTableTranslatable	protected	function	Returns whether the base table is of a translatable entity type.
DisplayPluginBase::isDefaultDisplay	public	function	Determines if this display is the 'default' display. Overrides DisplayPluginInterface::isDefaultDisplay	1
DisplayPluginBase::isDefaulted	public	function	Determines if an option is set to use the default or current display. Overrides DisplayPluginInterface::isDefaulted
DisplayPluginBase::isEnabled	public	function	Whether the display is enabled. Overrides DisplayPluginInterface::isEnabled
DisplayPluginBase::isIdentifierUnique	public	function	Checks if the provided identifier is unique. Overrides DisplayPluginInterface::isIdentifierUnique
DisplayPluginBase::isMoreEnabled	public	function	Whether the display is using the 'more' link or not. Overrides DisplayPluginInterface::isMoreEnabled
DisplayPluginBase::isPagerEnabled	public	function	Whether the display is using a pager or not. Overrides DisplayPluginInterface::isPagerEnabled
DisplayPluginBase::mergeDefaults	public	function	Merges default values for all plugin types. Overrides DisplayPluginInterface::mergeDefaults
DisplayPluginBase::mergeHandler	protected	function	Merges handlers default values.
DisplayPluginBase::mergePlugin	protected	function	Merges plugins default values.
DisplayPluginBase::newDisplay	public	function	Reacts on adding a display. Overrides DisplayPluginInterface::newDisplay	1
DisplayPluginBase::optionLink	public	function	Returns a link to a section of a form. Overrides DisplayPluginInterface::optionLink
DisplayPluginBase::optionsOverride	public	function	If override/revert was clicked, perform the proper toggle. Overrides DisplayPluginInterface::optionsOverride
DisplayPluginBase::outputIsEmpty	public	function	Is the output of the view empty. Overrides DisplayPluginInterface::outputIsEmpty
DisplayPluginBase::overrideOption	public	function	Set an option and force it to be an override. Overrides DisplayPluginInterface::overrideOption
DisplayPluginBase::preExecute	public	function	Sets up any variables on the view prior to execution. Overrides DisplayPluginInterface::preExecute
DisplayPluginBase::preview		function	Renders the display for the purposes of a live preview. Overrides DisplayPluginInterface::preview	3
DisplayPluginBase::remove	public	function	Reacts on deleting a display. Overrides DisplayPluginInterface::remove	2
DisplayPluginBase::renderArea	public	function	Renders one of the available areas. Overrides DisplayPluginInterface::renderArea
DisplayPluginBase::renderFilters	public	function	Does nothing (obsolete function). Overrides DisplayPluginInterface::renderFilters
DisplayPluginBase::renderMoreLink	public	function	Renders the 'more' link. Overrides DisplayPluginInterface::renderMoreLink
DisplayPluginBase::renderPager	public	function	Checks to see if the display plugins support pager rendering. Overrides DisplayPluginInterface::renderPager	1
DisplayPluginBase::setOption	public	function	Sets an option, on this display or the default display. Overrides DisplayPluginInterface::setOption
DisplayPluginBase::setOverride	public	function	Flip the override setting for the given section. Overrides DisplayPluginInterface::setOverride
DisplayPluginBase::submitOptionsForm	public	function	Handle any special handling on the validate form. Overrides PluginBase::submitOptionsForm	4
DisplayPluginBase::useGroupBy	public	function	Does the display have groupby enabled? Overrides DisplayPluginInterface::useGroupBy
DisplayPluginBase::useMoreAlways	public	function	Should the enabled display more link be shown when no more items? Overrides DisplayPluginInterface::useMoreAlways
DisplayPluginBase::useMoreText	public	function	Does the display have custom link text? Overrides DisplayPluginInterface::useMoreText
DisplayPluginBase::usesAJAX	public	function	Whether the display allows the use of AJAX or not. Overrides DisplayPluginInterface::usesAJAX	2
DisplayPluginBase::usesAreas	public	function	Returns whether the display can use areas. Overrides DisplayPluginInterface::usesAreas	2
DisplayPluginBase::usesAttachments	public	function	Returns whether the display can use attachments. Overrides DisplayPluginInterface::usesAttachments	5
DisplayPluginBase::usesExposedFormInBlock	public	function	Checks to see if the display can put the exposed form in a block. Overrides DisplayPluginInterface::usesExposedFormInBlock
DisplayPluginBase::usesFields	public	function	Determines if the display's style uses fields. Overrides DisplayPluginInterface::usesFields
DisplayPluginBase::usesLinkDisplay	public	function	Checks to see if the display has some need to link to another display. Overrides DisplayPluginInterface::usesLinkDisplay	1
DisplayPluginBase::usesMore	public	function	Whether the display allows the use of a 'more' link or not. Overrides DisplayPluginInterface::usesMore	1
DisplayPluginBase::usesPager	public	function	Whether the display allows the use of a pager or not. Overrides DisplayPluginInterface::usesPager	4
DisplayPluginBase::validateOptionsForm	public	function	Validate the options form. Overrides PluginBase::validateOptionsForm	2
DisplayPluginBase::viewExposedFormBlocks	public	function	Renders the exposed form as block. Overrides DisplayPluginInterface::viewExposedFormBlocks
DisplayPluginBase::__construct	public	function	Constructs a new DisplayPluginBase object. Overrides PluginBase::__construct	2
EntityReference::$usesAJAX	protected	property	Whether the display allows the use of AJAX or not. Overrides DisplayPluginBase::$usesAJAX
EntityReference::$usesAttachments	protected	property	Whether the display allows attachments. Overrides DisplayPluginBase::$usesAttachments
EntityReference::$usesPager	protected	property	Whether the display allows the use of a pager or not. Overrides DisplayPluginBase::$usesPager
EntityReference::defineOptions	protected	function	Information about options for all kinds of purposes will be held here. Overrides DisplayPluginBase::defineOptions
EntityReference::execute	public	function	Executes the view and returns data in the format required. Overrides DisplayPluginBase::execute
EntityReference::getType	public	function	Returns the display type that this display requires. Overrides DisplayPluginBase::getType
EntityReference::optionsSummary	public	function	Overrides \Drupal\views\Plugin\views\display\DisplayPluginBase::optionsSummary(). Overrides DisplayPluginBase::optionsSummary
EntityReference::query	public	function	Add anything to the query that we might need to. Overrides DisplayPluginBase::query
EntityReference::render	public	function	Renders this display. Overrides DisplayPluginBase::render
EntityReference::usesExposed	public	function	Determines if this display uses exposed filters. Overrides DisplayPluginBase::usesExposed
EntityReference::validate	public	function	Validate that the plugin is correct and can be saved. Overrides DisplayPluginBase::validate
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	2
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.	2
PluginBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create	50
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	Filter out stored options depending on the defined options. Overrides ViewsPluginInterface::filterByDefinedOptions
PluginBase::getAvailableGlobalTokens	public	function	Returns an array of available token replacements. Overrides ViewsPluginInterface::getAvailableGlobalTokens
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
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::getProvider	public	function	Returns the plugin provider. Overrides ViewsPluginInterface::getProvider
PluginBase::getRenderer	protected	function	Returns the render API renderer.	1
PluginBase::globalTokenForm	public	function	Adds elements for available core tokens to a form. Overrides ViewsPluginInterface::globalTokenForm
PluginBase::globalTokenReplace	public	function	Returns a string with any core tokens replaced. Overrides ViewsPluginInterface::globalTokenReplace
PluginBase::INCLUDE_ENTITY		constant	Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED		constant	Include negotiated languages when listing languages.
PluginBase::init	public	function	Initialize the plugin. Overrides ViewsPluginInterface::init	8
PluginBase::listLanguages	protected	function	Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle	public	function	Return the human readable name of the display. Overrides ViewsPluginInterface::pluginTitle
PluginBase::preRenderAddFieldsetMarkup	public static	function	Moves form elements into fieldsets for presentation purposes. Overrides ViewsPluginInterface::preRenderAddFieldsetMarkup
PluginBase::preRenderFlattenData	public static	function	Flattens the structure of form elements. Overrides ViewsPluginInterface::preRenderFlattenData
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::summaryTitle	public	function	Returns the summary of the settings in the display. Overrides ViewsPluginInterface::summaryTitle	6
PluginBase::themeFunctions	public	function	Provide a full list of possible theme templates used by this style. Overrides ViewsPluginInterface::themeFunctions	1
PluginBase::unpackOptions	public	function	Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. Overrides ViewsPluginInterface::unpackOptions
PluginBase::usesOptions	public	function	Returns the usesOptions property. Overrides ViewsPluginInterface::usesOptions	8
PluginBase::viewsTokenReplace	protected	function	Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin.	1
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT		constant	Query string to indicate the site default language.
PluginDependencyTrait::calculatePluginDependencies	protected	function	Calculates and adds dependencies of a specific plugin instance.	1
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.
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.