outline-8.x-1.x-dev/tests/modules/outline_test/outline_test.module

<?php

/**
 * @file
 * Provides test hook implementations for outline tests.
 */

use Drupal\Core\Database\Query\AlterableInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Implements hook_query_alter().
 */
function outline_test_query_alter(AlterableInterface $query) {
  $value = \Drupal::state()->get(__FUNCTION__);
  if (isset($value)) {
    \Drupal::state()->set(__FUNCTION__, ++$value);
  }
}

/**
 * Implements hook_query_TAG_alter().
 */
function outline_test_query_entry_access_alter(AlterableInterface $query) {
  $value = \Drupal::state()->get(__FUNCTION__);
  if (isset($value)) {
    \Drupal::state()->set(__FUNCTION__, ++$value);
  }
}

/**
 * Implements hook_query_TAG_alter().
 */
function outline_test_query_outline_entry_access_alter(AlterableInterface $query) {
  $value = \Drupal::state()->get(__FUNCTION__);
  if (isset($value)) {
    \Drupal::state()->set(__FUNCTION__, ++$value);
  }
}

/**
 * Implements hook_form_BASE_FORM_ID_alter() for the outline entry form.
 */
function outline_test_form_outline_entry_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  if (\Drupal::state()->get('outline_test.disable_parent_form_element', FALSE)) {
    $form['relations']['parent']['#disabled'] = TRUE;
  }
}