ViewEditForm::getDisplayTab

public ViewEditForm::getDisplayTab($view)

public function getDisplayTab($view) {
  $build = array();
  $display_id = $this->displayID;
  $display = $view->getExecutable()->displayHandlers->get($display_id);
  // If the plugin doesn't exist, display an error message instead of an edit
  // page.
  if (empty($display)) {
    // @TODO: Improved UX for the case where a plugin is missing.
    $build['#markup'] = $this->t("Error: Display @display refers to a plugin named '@plugin', but that plugin is not available.", array('@display' => $display->display['id'], '@plugin' => $display->display['display_plugin']));
  }
  // Build the content of the edit page.
  else {
    $build['details'] = $this->getDisplayDetails($view, $display->display);
  }
  // In AJAX context, ViewUI::rebuildCurrentTab() returns this outside of form
  // context, so hook_form_views_ui_edit_form_alter() is insufficient.
  \Drupal::moduleHandler()->alter('views_ui_display_tab', $build, $view, $display_id);
  return $build;
}