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abstract class PrerenderList in Drupal 8

Same name and namespace in other branches
  1. 9 core/modules/views/src/Plugin/views/field/PrerenderList.php \Drupal\views\Plugin\views\field\PrerenderList

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

Expanded class hierarchy of PrerenderList

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

File

core/modules/views/src/Plugin/views/field/PrerenderList.php, line 18

Namespace

Drupal\views\Plugin\views\field
View source 
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
   */
  public $items = [];

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

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

}

Members

Namesort descending 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
FieldPluginBase::$additional_fields public property Stores additional fields which get added to the query.
FieldPluginBase::$aliases public property
FieldPluginBase::$field_alias public property
FieldPluginBase::$lastRenderIndex protected property Keeps track of the last render index.
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 5
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 2
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 20
FieldPluginBase::render public function Renders the field. Overrides FieldHandlerInterface::render 27
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 public function Passes values to drupal_render() using $this->themeFunctions() as #theme. Overrides FieldHandlerInterface::theme
FieldPluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. Overrides PluginBase::themeFunctions
FieldPluginBase::tokenizeValue public function Replaces a value with tokens from the last field. Overrides FieldHandlerInterface::tokenizeValue
FieldPluginBase::trimText public static function Trims the field down to the specified length.
FieldPluginBase::useStringGroupBy public function Determines if this field will be available as an option to group the result by in the style settings. Overrides FieldHandlerInterface::useStringGroupBy
HandlerBase::$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 4
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 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::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies 10
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 2
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::submitFormCalculateOptions public function Calculates options stored on the handler 1
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. 13
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 44
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
MultiItemsFieldHandlerInterface::render_item public function Renders a single item of a row. 4
PluginBase::$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. 1
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::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 62
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 3
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::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 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::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks 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 public 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. 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.
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.