abstract class ArgumentValidatorPluginBase

Node.php in drupal/core/modules/node/lib/Drupal/node/Plugin/views/argument_validator/Node.php

Definition of Drupal\node\Plugin\views\argument_validator\Node.

Term.php in drupal/core/modules/taxonomy/lib/Drupal/taxonomy/Plugin/views/argument_validator/Term.php

Definition of Drupal\taxonomy\Plugin\views\argument_validator\Term.

User.php in drupal/core/modules/user/lib/Drupal/user/Plugin/views/argument_validator/User.php

Definition of Drupal\user\Plugin\views\argument_validator\User.

abstract class ArgumentValidatorPluginBase extends PluginBase {

  /**
   * Initialize this plugin with the view and the argument
   * it is linked to.
   */
  public function init(ViewExecutable $view, &$argument, $options) {
    $this
      ->setOptionDefaults($this->options, $this
      ->defineOptions());
    $this->view =& $view;
    $this->argument =& $argument;
    $this
      ->unpackOptions($this->options, $options);
  }

  /**
   * Retrieve the options when this is a new access
   * control plugin
   */
  protected function defineOptions() {
    return array();
  }

  /**
   * Provide the default form for setting options.
   */
  public function buildOptionsForm(&$form, &$form_state) {
  }

  /**
   * Provide the default form form for validating options
   */
  public function validateOptionsForm(&$form, &$form_state) {
  }

  /**
   * Provide the default form form for submitting options
   */
  public function submitOptionsForm(&$form, &$form_state, &$options = array()) {
  }

  /**
   * Determine if the administrator has the privileges to use this plugin
   */
  public function access() {
    return TRUE;
  }

  /**
   * If we don't have access to the form but are showing it anyway, ensure that
   * the form is safe and cannot be changed from user input.
   *
   * This is only called by child objects if specified in the buildOptionsForm(),
   * so it will not always be used.
   */
  function check_access(&$form, $option_name) {
    if (!$this
      ->access()) {
      $form[$option_name]['#disabled'] = TRUE;
      $form[$option_name]['#value'] = $form[$this->option_name]['#default_value'];
      $form[$option_name]['#description'] .= ' <strong>' . t('Note: you do not have permission to modify this. If you change the default filter type, this setting will be lost and you will NOT be able to get it back.') . '</strong>';
    }
  }
  function validate_argument($arg) {
    return TRUE;
  }

  /**
   * Process the summary arguments for displaying.
   *
   * Some plugins alter the argument so it uses something else interal.
   * For example the user validation set's the argument to the uid,
   * for a faster query. But there are use cases where you want to use
   * the old value again, for example the summary.
   */
  function process_summary_arguments(&$args) {
  }

}