abstract class PrerenderList in Zircon Profile 8

Field handler to provide a list of items.

The items are expected to be loaded by a child object during preRender, and 'my field' is expected to be the pointer to the items in the list.

Items to render should be in a list in $this->items

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\HandlerBase implements ViewsHandlerInterface
        • class \Drupal\views\Plugin\views\field\FieldPluginBase implements FieldHandlerInterface
          • class \Drupal\views\Plugin\views\field\PrerenderList implements MultiItemsFieldHandlerInterface

Related topics

Views field handler plugins

Handler plugins for Views fields.

3 files declare their use of PrerenderList

Permissions.php in core/modules/user/src/Plugin/views/field/Permissions.php

Contains \Drupal\user\Plugin\views\field\Permissions.

Roles.php in core/modules/user/src/Plugin/views/field/Roles.php

Contains \Drupal\user\Plugin\views\field\Roles.

TaxonomyIndexTid.php in core/modules/taxonomy/src/Plugin/views/field/TaxonomyIndexTid.php

Contains \Drupal\taxonomy\Plugin\views\field\TaxonomyIndexTid.

File

core/modules/views/src/Plugin/views/field/PrerenderList.php, line 23

Contains \Drupal\views\Plugin\views\field\PrerenderList.

Namespace

Drupal\views\Plugin\views\field

abstract class PrerenderList extends FieldPluginBase implements MultiItemsFieldHandlerInterface {

  /**
   * Stores all items which are used to render the items.
   * It should be keyed first by the id of the base table, for example nid.
   * The second key is the id of the thing which is displayed multiple times
   * per row, for example the tid.
   *
   * @var array
   */
  var $items = array();

  /**
   * {@inheritdoc}
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['type'] = array(
      'default' => 'separator',
    );
    $options['separator'] = array(
      'default' => ', ',
    );
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    $form['type'] = array(
      '#type' => 'radios',
      '#title' => $this
        ->t('Display type'),
      '#options' => array(
        'ul' => $this
          ->t('Unordered list'),
        'ol' => $this
          ->t('Ordered list'),
        'separator' => $this
          ->t('Simple separator'),
      ),
      '#default_value' => $this->options['type'],
    );
    $form['separator'] = array(
      '#type' => 'textfield',
      '#title' => $this
        ->t('Separator'),
      '#default_value' => $this->options['separator'],
      '#states' => array(
        'visible' => array(
          ':input[name="options[type]"]' => array(
            'value' => 'separator',
          ),
        ),
      ),
    );
    parent::buildOptionsForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function renderItems($items) {
    if (!empty($items)) {
      if ($this->options['type'] == 'separator') {
        $render = [
          '#type' => 'inline_template',
          '#template' => '{{ items|safe_join(separator) }}',
          '#context' => [
            'items' => $items,
            'separator' => $this
              ->sanitizeValue($this->options['separator'], 'xss_admin'),
          ],
        ];
      }
      else {
        $render = array(
          '#theme' => 'item_list',
          '#items' => $items,
          '#title' => NULL,
          '#list_type' => $this->options['type'],
        );
      }
      return drupal_render($render);
    }
  }

  /**
   * {@inheritdoc}
   *
   * Items should be stored in the result array, if possible, as an array
   * with 'value' as the actual displayable value of the item, plus
   * any items that might be found in the 'alter' options array for
   * creating links, such as 'path', 'fragment', 'query' etc, such a thing
   * is to be made. Additionally, items that might be turned into tokens
   * should also be in this array.
   */
  public function getItems(ResultRow $values) {
    $field = $this
      ->getValue($values);
    if (!empty($this->items[$field])) {
      return $this->items[$field];
    }
    return array();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
FieldPluginBase::$additional_fields		property	Stores additional fields which get's added to the query. The generated aliases are stored in $aliases.
FieldPluginBase::$aliases		property
FieldPluginBase::$field_alias		property
FieldPluginBase::$linkGenerator	protected	property	The link generator.
FieldPluginBase::$original_value	public	property	The field value prior to any rewriting.
FieldPluginBase::$renderer	protected	property	Stores the render API renderer. Overrides PluginBase::$renderer	1
FieldPluginBase::addAdditionalFields	protected	function	Add 'additional' fields to the query.
FieldPluginBase::addSelfTokens	protected	function	Add any special tokens this field might use for itself.	4
FieldPluginBase::adminLabel	public	function	Return a string representing this handler's name in the UI. Overrides HandlerBase::adminLabel
FieldPluginBase::adminSummary	public	function	Provide extra data to the administration form Overrides HandlerBase::adminSummary
FieldPluginBase::advancedRender	public	function	Renders a field using advanced settings. Overrides FieldHandlerInterface::advancedRender
FieldPluginBase::allowAdvancedRender	protected	function	Determine if this field can allow advanced rendering.
FieldPluginBase::clickSort	public	function	Adds an ORDER BY clause to the query for click sort columns. Overrides FieldHandlerInterface::clickSort	1
FieldPluginBase::clickSortable	public	function	Determines if this field is click sortable. Overrides FieldHandlerInterface::clickSortable	3
FieldPluginBase::documentSelfTokens	protected	function	Document any special tokens this field might use for itself.	3
FieldPluginBase::elementClasses	public	function	Returns the class of the field. Overrides FieldHandlerInterface::elementClasses
FieldPluginBase::elementLabelClasses	public	function	Returns the class of the field's label. Overrides FieldHandlerInterface::elementLabelClasses
FieldPluginBase::elementLabelType	public	function	Returns an HTML element for the label based upon the field's element type. Overrides FieldHandlerInterface::elementLabelType
FieldPluginBase::elementType	public	function	Returns an HTML element based upon the field's element type. Overrides FieldHandlerInterface::elementType	1
FieldPluginBase::elementWrapperClasses	public	function	Returns the class of the field's wrapper. Overrides FieldHandlerInterface::elementWrapperClasses
FieldPluginBase::elementWrapperType	public	function	Returns an HTML element for the wrapper based upon the field's element type. Overrides FieldHandlerInterface::elementWrapperType
FieldPluginBase::getElements	public	function	Provides a list of elements valid for field HTML. Overrides FieldHandlerInterface::getElements
FieldPluginBase::getEntity	public	function	Gets the entity matching the current row and relationship. Overrides FieldHandlerInterface::getEntity
FieldPluginBase::getFieldTokenPlaceholder	protected	function	Returns a token placeholder for the current field.
FieldPluginBase::getPreviousFieldLabels	protected	function	Returns all field labels of fields before this field.
FieldPluginBase::getRenderer	protected	function	Returns the render API renderer. Overrides PluginBase::getRenderer
FieldPluginBase::getRenderTokens	public	function	Gets the 'render' tokens to use for advanced rendering. Overrides FieldHandlerInterface::getRenderTokens
FieldPluginBase::getTokenValuesRecursive	protected	function	Recursive function to add replacements for nested query string parameters.
FieldPluginBase::getValue	public	function	Gets the value that's supposed to be rendered. Overrides FieldHandlerInterface::getValue	1
FieldPluginBase::init	public	function	Initialize the plugin. Overrides HandlerBase::init	14
FieldPluginBase::isValueEmpty	public	function	Checks if a field value is empty. Overrides FieldHandlerInterface::isValueEmpty
FieldPluginBase::label	public	function	Gets this field's label. Overrides FieldHandlerInterface::label
FieldPluginBase::linkGenerator	protected	function	Gets the link generator.
FieldPluginBase::postRender	public	function	Runs after every field has been rendered. Overrides FieldHandlerInterface::postRender
FieldPluginBase::preRender	public	function	Runs before any fields are rendered. Overrides FieldHandlerInterface::preRender	10
FieldPluginBase::query	public	function	Called to add the field to a query. Overrides HandlerBase::query	18
FieldPluginBase::render	public	function	Renders the field. Overrides FieldHandlerInterface::render	25
FieldPluginBase::renderAltered	protected	function	Render this field as user-defined altered text.
FieldPluginBase::renderAsLink	protected	function	Render this field as a link, with the info from a fieldset set by the user.
FieldPluginBase::renderText	public	function	Performs an advanced text render for the item. Overrides FieldHandlerInterface::renderText
FieldPluginBase::renderTrimText	protected	function	Trims the field down to the specified length.
FieldPluginBase::RENDER_TEXT_PHASE_COMPLETELY		constant	Indicator of the renderText() method for rendering the whole element. (if no render_item() method is available).
FieldPluginBase::RENDER_TEXT_PHASE_EMPTY		constant	Indicator of the renderText() method for rendering the empty text.
FieldPluginBase::RENDER_TEXT_PHASE_SINGLE_ITEM		constant	Indicator of the renderText() method for rendering a single item. (If no render_item() is present).
FieldPluginBase::submitOptionsForm	public	function	Performs some cleanup tasks on the options array before saving it. Overrides PluginBase::submitOptionsForm	1
FieldPluginBase::theme		function	Passes values to drupal_render() using $this->themeFunctions() as #theme. Overrides FieldHandlerInterface::theme
FieldPluginBase::themeFunctions	public	function	Provide a full list of possible theme templates used by this style. Overrides PluginBase::themeFunctions
FieldPluginBase::tokenizeValue	public	function	Replaces a value with tokens from the last field. Overrides FieldHandlerInterface::tokenizeValue
FieldPluginBase::trimText	public static	function	Trims the field down to the specified length.
FieldPluginBase::useStringGroupBy	public	function	Determines if this field will be available as an option to group the result by in the style settings. Overrides FieldHandlerInterface::useStringGroupBy
HandlerBase::$actualField	public	property	When a field has been moved this property is set.
HandlerBase::$actualTable	public	property	When a table has been moved this property is set.
HandlerBase::$field	public	property	With field you can override the realField if the real field is not set.
HandlerBase::$moduleHandler	protected	property	The module handler.	3
HandlerBase::$query	public	property	Where the $query object will reside:	7
HandlerBase::$realField	public	property	The actual field in the database table, maybe different on other kind of query plugins/special handlers.
HandlerBase::$relationship	public	property	The relationship used for this field.
HandlerBase::$table	public	property	The table this handler is attached to.
HandlerBase::$tableAlias	public	property	The alias of the table of this handler which is used in the query.
HandlerBase::$viewsData	protected	property	The views data service.
HandlerBase::acceptExposedInput	public	function	Take input from exposed handlers and assign to this handler, if necessary.	1
HandlerBase::access	public	function	Check whether given user has access to this handler. Overrides ViewsHandlerInterface::access	2
HandlerBase::breakString	public static	function	Breaks x,y,z and x+y+z into an array. Overrides ViewsHandlerInterface::breakString
HandlerBase::broken	public	function	Determines if the handler is considered 'broken', meaning it's a a placeholder used when a handler can't be found. Overrides ViewsHandlerInterface::broken
HandlerBase::buildExposedForm	public	function	Render our chunk of the exposed handler form when selecting	1
HandlerBase::buildExposeForm	public	function	Form for exposed handler options.	2
HandlerBase::buildExtraOptionsForm	public	function	Provide a form for setting options.	1
HandlerBase::buildGroupByForm	public	function	Provide a form for aggregation settings.	1
HandlerBase::canExpose	public	function	Determine if a handler can be exposed.	2
HandlerBase::caseTransform	protected	function	Transform a string by a certain method.
HandlerBase::defaultExposeOptions	public	function	Set new exposed option defaults when exposed setting is flipped on.	2
HandlerBase::defineExtraOptions	public	function	Provide defaults for the handler.
HandlerBase::displayExposedForm	public	function	Displays the Expose form.
HandlerBase::ensureMyTable	public	function	Ensure the main table for this handler is in the query. This is used a lot. Overrides ViewsHandlerInterface::ensureMyTable	2
HandlerBase::exposedInfo	public	function	Get information about the exposed form for the form renderer.	1
HandlerBase::getDateField	public	function	Creates cross-database SQL dates.	2
HandlerBase::getDateFormat	public	function	Creates cross-database SQL date formatting.	2
HandlerBase::getEntityType	public	function	Determines the entity type used by this handler. Overrides ViewsHandlerInterface::getEntityType
HandlerBase::getField	public	function	Shortcut to get a handler's raw field value. Overrides ViewsHandlerInterface::getField
HandlerBase::getJoin	public	function	Get the join object that should be used for this handler. Overrides ViewsHandlerInterface::getJoin
HandlerBase::getModuleHandler	protected	function	Gets the module handler.
HandlerBase::getTableJoin	public static	function	Fetches a handler to join one table to a primary table from the data cache. Overrides ViewsHandlerInterface::getTableJoin
HandlerBase::getViewsData	protected	function	Gets views data service.
HandlerBase::hasExtraOptions	public	function	If a handler has 'extra options' it will get a little settings widget and another form called extra_options.	1
HandlerBase::isAGroup	public	function	Returns TRUE if the exposed filter works like a grouped filter.	1
HandlerBase::isExposed	public	function	Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
HandlerBase::multipleExposedInput	public	function	Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets.	1
HandlerBase::placeholder	protected	function	Provides a unique placeholders for handlers.
HandlerBase::postExecute	public	function	Run after the view is executed, before the result is cached. Overrides ViewsHandlerInterface::postExecute
HandlerBase::preQuery	public	function	Run before the view is built. Overrides ViewsHandlerInterface::preQuery	1
HandlerBase::sanitizeValue	public	function	Sanitize the value for output. Overrides ViewsHandlerInterface::sanitizeValue
HandlerBase::setModuleHandler	public	function	Sets the module handler.
HandlerBase::setRelationship	public	function	Called just prior to query(), this lets a handler set up any relationship it needs. Overrides ViewsHandlerInterface::setRelationship
HandlerBase::setViewsData	public	function
HandlerBase::showExposeButton	public	function	Shortcut to display the expose/hide button.	2
HandlerBase::showExposeForm	public	function	Shortcut to display the exposed options form. Overrides ViewsHandlerInterface::showExposeForm
HandlerBase::storeExposedInput	public	function	If set to remember exposed input in the session, store it there.	1
HandlerBase::submitExposed	public	function	Submit the exposed handler form
HandlerBase::submitExposeForm	public	function	Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitExtraOptionsForm	public	function	Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitGroupByForm	public	function	Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.	1
HandlerBase::submitTemporaryForm	public	function	A submit handler that is used for storing temporary items when using multi-step changes, such as ajax requests.
HandlerBase::usesGroupBy	public	function	Provides the handler some groupby.	12
HandlerBase::validate	public	function	Validate that the plugin is correct and can be saved. Overrides PluginBase::validate	2
HandlerBase::validateExposed	public	function	Validate the exposed handler form	4
HandlerBase::validateExposeForm	public	function	Validate the options form.	1
HandlerBase::validateExtraOptionsForm	public	function	Validate the options form.
HandlerBase::__construct	public	function	Constructs a Handler object. Overrides PluginBase::__construct	37
MultiItemsFieldHandlerInterface::render_item	public	function	Renders a single item of a row.	4
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::$usesOptions	protected	property	Denotes whether the plugin has an additional options form.	8
PluginBase::$view	public	property	The top object of a view.	1
PluginBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies	20
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::destroy	public	function	Clears a plugin. Overrides ViewsPluginInterface::destroy	2
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::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::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::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::validateOptionsForm	public	function	Validate the options form. Overrides ViewsPluginInterface::validateOptionsForm	15
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.
PrerenderList::$items		property	Stores all items which are used to render the items. It should be keyed first by the id of the base table, for example nid. The second key is the id of the thing which is displayed multiple times per row, for example the tid.
PrerenderList::buildOptionsForm	public	function	Default options form that provides the label widget that all fields should have. Overrides FieldPluginBase::buildOptionsForm	1
PrerenderList::defineOptions	protected	function	Information about options for all kinds of purposes will be held here. Overrides FieldPluginBase::defineOptions	1
PrerenderList::getItems	public	function	Items should be stored in the result array, if possible, as an array with 'value' as the actual displayable value of the item, plus any items that might be found in the 'alter' options array for creating links, such as… Overrides MultiItemsFieldHandlerInterface::getItems
PrerenderList::renderItems	public	function	Render all items in this field together. Overrides MultiItemsFieldHandlerInterface::renderItems
StringTranslationTrait::$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.