class Node

1. 8.x drupal/core/modules/node/lib/Drupal/node/Plugin/views/field/Node.php \Drupal\node\Plugin\views\field\Node
2. 8.x drupal/core/modules/node/lib/Drupal/node/Plugin/views/wizard/Node.php \Drupal\node\Plugin\views\wizard\Node
3. 8.x drupal/core/modules/node/lib/Drupal/node/Plugin/views/argument_validator/Node.php \Drupal\node\Plugin\views\argument_validator\Node
4. 8.x drupal/core/modules/node/lib/Drupal/node/Plugin/views/argument_default/Node.php \Drupal\node\Plugin\views\argument_default\Node
5. 8.x drupal/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php \Drupal\node\Plugin\Core\Entity\Node

comment_token_info in drupal/core/modules/comment/comment.tokens.inc

Implements hook_token_info().

field_views_field_default_views_data in drupal/core/modules/field/field.views.inc

Default views data implementation for a field.

file_field_views_data_views_data_alter in drupal/core/modules/file/file.views.inc

Implements hook_field_views_data_views_data_alter().

forum_views_data in drupal/core/modules/forum/forum.views.inc

Implements hook_views_data().

image_field_views_data_views_data_alter in drupal/core/modules/image/image.views.inc

Implements hook_field_views_data_views_data_alter().

... See full list

class Node extends ArgumentValidatorPluginBase {
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['types'] = array(
      'default' => array(),
    );
    $options['access'] = array(
      'default' => FALSE,
      'bool' => TRUE,
    );
    $options['access_op'] = array(
      'default' => 'view',
    );
    $options['nid_type'] = array(
      'default' => 'nid',
    );
    return $options;
  }
  public function buildOptionsForm(&$form, &$form_state) {
    $types = node_type_get_types();
    $options = array();
    foreach ($types as $type => $info) {
      $options[$type] = check_plain(t($info->name));
    }
    $form['types'] = array(
      '#type' => 'checkboxes',
      '#title' => t('Content types'),
      '#options' => $options,
      '#default_value' => $this->options['types'],
      '#description' => t('Choose one or more content types to validate with.'),
    );
    $form['access'] = array(
      '#type' => 'checkbox',
      '#title' => t('Validate user has access to the content'),
      '#default_value' => $this->options['access'],
    );
    $form['access_op'] = array(
      '#type' => 'radios',
      '#title' => t('Access operation to check'),
      '#options' => array(
        'view' => t('View'),
        'update' => t('Edit'),
        'delete' => t('Delete'),
      ),
      '#default_value' => $this->options['access_op'],
      '#states' => array(
        'visible' => array(
          ':input[name="options[validate][options][node][access]"]' => array(
            'checked' => TRUE,
          ),
        ),
      ),
    );
    $form['nid_type'] = array(
      '#type' => 'select',
      '#title' => t('Filter value format'),
      '#options' => array(
        'nid' => t('Node ID'),
        'nids' => t('Node IDs separated by , or +'),
      ),
      '#default_value' => $this->options['nid_type'],
    );
  }
  public function submitOptionsForm(&$form, &$form_state, &$options = array()) {

    // filter trash out of the options so we don't store giant unnecessary arrays
    $options['types'] = array_filter($options['types']);
  }
  public function validateArgument($argument) {
    $types = $this->options['types'];
    switch ($this->options['nid_type']) {
      case 'nid':
        if (!is_numeric($argument)) {
          return FALSE;
        }
        $node = node_load($argument);
        if (!$node) {
          return FALSE;
        }
        if (!empty($this->options['access'])) {
          if (!node_access($this->options['access_op'], $node)) {
            return FALSE;
          }
        }

        // Save the title() handlers some work.
        $this->argument->validated_title = check_plain($node
          ->label());
        if (empty($types)) {
          return TRUE;
        }
        return isset($types[$node->type]);
      case 'nids':
        $nids = new stdClass();
        $nids->value = array(
          $argument,
        );
        $nids = $this
          ->breakPhrase($argument, $nids);
        if ($nids->value == array(
          -1,
        )) {
          return FALSE;
        }
        $test = drupal_map_assoc($nids->value);
        $titles = array();
        $nodes = node_load_multiple($nids->value);
        foreach ($nodes as $node) {
          if ($types && empty($types[$node->type])) {
            return FALSE;
          }
          if (!empty($this->options['access'])) {
            if (!node_access($this->options['access_op'], $node)) {
              return FALSE;
            }
          }
          $titles[] = check_plain($node
            ->label());
          unset($test[$node->nid]);
        }
        $this->argument->validated_title = implode($nids->operator == 'or' ? ' + ' : ', ', $titles);

        // If this is not empty, we did not find a nid.
        return empty($test);
    }
  }

}