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class NullArgument in Drupal 8

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

Argument handler that ignores the argument.

Plugin annotation

@ViewsArgument("null");

Hierarchy

Expanded class hierarchy of NullArgument

Related topics

Views argument handlers
Handler plugins for Views contextual filters.

File

core/modules/views/src/Plugin/views/argument/NullArgument.php, line 14

Namespace

Drupal\views\Plugin\views\argument
View source 
class NullArgument extends ArgumentPluginBase {
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['must_not_be'] = [
      'default' => FALSE,
    ];
    return $options;
  }

  /**
   * Override buildOptionsForm() so that only the relevant options
   * are displayed to the user.
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);
    $form['must_not_be'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Fail basic validation if any argument is given'),
      '#default_value' => !empty($this->options['must_not_be']),
      '#description' => $this
        ->t('By checking this field, you can use this to make sure views with more arguments than necessary fail validation.'),
      '#group' => 'options][more',
    ];
    unset($form['exception']);
  }

  /**
   * Override defaultActions() to remove actions that don't
   * make sense for a null argument.
   */
  protected function defaultActions($which = NULL) {
    if ($which) {
      if (in_array($which, [
        'ignore',
        'not found',
        'empty',
        'default',
      ])) {
        return parent::defaultActions($which);
      }
      return;
    }
    $actions = parent::defaultActions();
    unset($actions['summary asc']);
    unset($actions['summary desc']);
    return $actions;
  }

  /**
   * Override the behavior of query() to prevent the query
   * from being changed in any way.
   */
  public function query($group_by = FALSE) {
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ArgumentPluginBase::$argument public property
ArgumentPluginBase::$name_field public property The field to use for the name to use in the summary, which is the displayed output. For example, for the node: nid argument, the argument itself is the nid, but node.title is displayed.
ArgumentPluginBase::$name_table public property The table to use for the name, should it not be in the same table as the argument.
ArgumentPluginBase::$validator public property
ArgumentPluginBase::$value public property 1
ArgumentPluginBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides HandlerBase::calculateDependencies
ArgumentPluginBase::decodeValidatorId public static function Revert sanitized validator options.
ArgumentPluginBase::defaultAccessDenied public function Default action: access denied.
ArgumentPluginBase::defaultAction public function Handle the default action, which means our argument wasn't present.
ArgumentPluginBase::defaultArgumentForm public function Provide a form for selecting the default argument when the default action is set to provide default argument. 1
ArgumentPluginBase::defaultDefault protected function This just returns true. The view argument builder will know where to find the argument from.
ArgumentPluginBase::defaultEmpty public function Default action: empty
ArgumentPluginBase::defaultIgnore public function Default action: ignore.
ArgumentPluginBase::defaultNotFound protected function Default action: not found.
ArgumentPluginBase::defaultSummary protected function Default action: summary.
ArgumentPluginBase::defaultSummaryForm public function Provide a form for selecting further summary options when the default action is set to display one.
ArgumentPluginBase::encodeValidatorId public static function Sanitize validator options including derivatives with : for js.
ArgumentPluginBase::exceptionTitle public function
ArgumentPluginBase::getCacheContexts public function The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
ArgumentPluginBase::getCacheMaxAge public function The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
ArgumentPluginBase::getCacheTags public function The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
ArgumentPluginBase::getContextDefinition public function Returns a context definition for this argument. 2
ArgumentPluginBase::getDefaultArgument public function Get a default argument, if available. 1
ArgumentPluginBase::getPlugin public function Get the display or row plugin, if it exists.
ArgumentPluginBase::getSortName public function Return a description of how the argument would normally be sorted. 5
ArgumentPluginBase::getTitle public function Called by the view object to get the title. This may be set by a validator so we don't necessarily call through to title().
ArgumentPluginBase::getTokenHelp protected function Provide token help information for the argument.
ArgumentPluginBase::getValue public function Get the value of this argument.
ArgumentPluginBase::hasDefaultArgument public function Determine if the argument is set to provide a default argument.
ArgumentPluginBase::init public function Overrides Drupal\views\Plugin\views\HandlerBase:init(). Overrides HandlerBase::init 5
ArgumentPluginBase::isException public function
ArgumentPluginBase::needsStylePlugin public function Determine if the argument needs a style plugin.
ArgumentPluginBase::preRenderMoveArgumentOptions public static function Moves argument options into their place.
ArgumentPluginBase::processContainerRadios public static function Custom form radios process function.
ArgumentPluginBase::processSummaryArguments public function Process the summary arguments for display.
ArgumentPluginBase::setArgument public function Set the input for this argument
ArgumentPluginBase::submitOptionsForm public function Handle any special handling on the validate form. Overrides PluginBase::submitOptionsForm
ArgumentPluginBase::summaryArgument public function Provide the argument to use to link from the summary to the next level; this will be called once per row of a summary, and used as part of $view->getUrl(). 4
ArgumentPluginBase::summaryBasics public function Some basic summary behavior that doesn't need to be repeated as much as code that goes into summaryQuery()
ArgumentPluginBase::summaryName public function Provides the name to use for the summary. By default this is just the name field. 8
ArgumentPluginBase::summaryNameField protected function Add the name field, which is the field displayed in summary queries. This is often used when the argument is numeric.
ArgumentPluginBase::summaryQuery protected function Build the info for the summary query. 3
ArgumentPluginBase::summarySort public function Sorts the summary based upon the user's selection. The base variant of this is usually adequate.
ArgumentPluginBase::title public function Get the title this argument will assign the view, given the argument. 10
ArgumentPluginBase::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides PluginBase::trustedCallbacks
ArgumentPluginBase::unpackArgumentValue protected function Splits an argument into value and operator properties on this instance.
ArgumentPluginBase::validateArgument public function Validate that this argument works. By default, all arguments are valid.
ArgumentPluginBase::validateFail public function How to act if validation fails.
ArgumentPluginBase::validateMenuArgument public function Called by the menu system to validate an argument.
ArgumentPluginBase::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
HandlerBase::$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::adminLabel public function Return a string representing this handler's name in the UI. Overrides ViewsHandlerInterface::adminLabel 4
HandlerBase::adminSummary public function Provide text for the administrative summary. Overrides ViewsHandlerInterface::adminSummary 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::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::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
NullArgument::buildOptionsForm public function Override buildOptionsForm() so that only the relevant options are displayed to the user. Overrides ArgumentPluginBase::buildOptionsForm
NullArgument::defaultActions protected function Override defaultActions() to remove actions that don't make sense for a null argument. Overrides ArgumentPluginBase::defaultActions
NullArgument::defineOptions protected function Information about options for all kinds of purposes will be held here. Overrides ArgumentPluginBase::defineOptions
NullArgument::query public function Override the behavior of query() to prevent the query from being changed in any way. Overrides ArgumentPluginBase::query
PluginBase::$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::$pluginId protected property The plugin_id.
PluginBase::$renderer protected property Stores the render API renderer. 3
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::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::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::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.
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.