views_revisions.module in Config Entity Revisions 8

File

modules/views_revisions/views_revisions.module

<?php

use Drupal\views_revisions\ViewsRevisionFields;
use Drupal\views_revisions\Controller\ViewsRevisionsController;
use Drupal\Core\Entity\Entity\EntityFormDisplay;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Form\FormStateInterface;
use Drupal\views_revisions\Entity\ViewsRevisions;
use Drupal\config_entity_revisions\ConfigEntityRevisionsInterface;
use Drupal\config_entity_revisions\ConfigEntityRevisionsControllerInterface;
use Drupal\views_revisions\ViewsRevisionsUI;

/**
 * Implements hook_form_alter().
 */
function views_revisions_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $view = NULL;

  // Modify the label on the workflow form so it doesn't say "Config entities".
  if ($form_id == 'workflow_edit_form') {
    $entity_types =& $form['type_settings']['entity_types_container']['entity_types'];
    if (!empty($entity_types['ViewRevisions'])) {
      $entity_types['ViewRevisions']['type']['#context']['label'] = t('Views');
    }
    return;
  }
  $add_edit_form_routes = [
    'entity.view.edit_form',
    'entity.view.source_form',
  ];
  $revision_routes = array_merge($add_edit_form_routes, [
    'view_ui_element_form',
    'entity.view.revision',
  ]);
  $routename = \Drupal::routeMatch()
    ->getRouteName();

  /* @var $contentEntity ConfigEntityRevisionsInterface */
  $contentEntity = NULL;

  // Get the content entity if it will be needed. This needs to be the most
  // recent version of the entity - if we've saved a new revision, we want
  // the latest revision message, not the old one.
  $match = \Drupal::service('router')
    ->matchRequest(\Drupal::request());

  /* @var $view ViewUI */
  if (isset($match['view'])) {
    $view = $match['view'];
    if ($view instanceof ViewsRevisionsUI) {
      $view = $view
        ->get('storage');
      $contentEntity = $view
        ->getContentEntity();
    }
  }
  if (in_array($routename, $revision_routes) && !$view) {
    return;
  }

  // If we're displaying a non-current revision, add a message and remove the
  // submission buttons.
  if ($routename == 'entity.view.revision') {
    if (!$contentEntity
      ->isDefaultRevision()) {
      \Drupal::messenger()
        ->addWarning('This is not the currently published revision of the view.');
      $form['actions'] = [];
    }
    return;
  }

  // If we're not adding a form or rendering the main edit form, don't provide
  // the option of adding a new revision or modifying the revision message.
  if (!in_array($routename, $add_edit_form_routes)) {
    if ($view) {
      $form_state
        ->setValue('view_revision', $view
        ->get('loadedRevisionId'));
    }
    return;
  }
  ViewsRevisionFields::addRevisionFormFields($form);
  if (!$contentEntity) {

    /* @var $revisionsController ConfigEntityRevisionsControllerInterface */
    $revisionsController = ViewsRevisionsController::create(\Drupal::getContainer());
    $contentEntity = $revisionsController
      ->createInitialRevision($view);
  }
  $entity_form_display = EntityFormDisplay::create([
    'targetEntityType' => 'config_entity_revisions',
    'bundle' => 'ViewRevisions',
    'mode' => 'default',
    'status' => TRUE,
  ]);
  $entity_form_display
    ->buildForm($contentEntity, $form, $form_state);
  $form['actions']['#weight'] = 200;
}

// No insert hook. The content entity will be automatically created the first
// time a person visits the revisions display, or when a new revision is saved.

/**
 * Implements hook_ENTITY_TYPE_update().
 */
function views_revisions_view_update(ViewsRevisions $view) {
  $controller = ViewsRevisionsController::create(\Drupal::getContainer());
  $controller
    ->createUpdateRevision($view);
}

/**
 * Implements hook_ENTITY_TYPE_delete().
 */
function views_revisions_view_delete(ViewsRevisions $view) {
  $controller = ViewsRevisionsController::create(\Drupal::getContainer());
  $controller
    ->deleteRevisions($view);
}

/**
 * Implements hook_menu_local_tasks_alter().
 */
function views_revisions_menu_local_tasks_alter(&$data, $route_name, \Drupal\Core\Cache\RefinableCacheableDependencyInterface &$cacheability) {
  if (strpos($route_name, 'entity.view') === 0) {
    foreach ($data['tabs'] as $tab_level) {
      foreach ($tab_level as $tab) {

        /** @var Drupal\Core\Url $url */
        $url = $tab['#link']['url'];
        $tab_route_name = $url
          ->getRouteName();
        $tab_route_parameters = $url
          ->getRouteParameters();
        if (strpos($tab_route_name, 'entity.view') !== FALSE && isset($tab_route_parameters['view'])) {
          $url
            ->setRouteParameter('config_entity', $tab_route_parameters['view']);
        }
      }
    }
  }
}

/**
 * Implements hook_entity_type_alter().
 */
function views_revisions_entity_type_alter(&$entity_types) {
  if (isset($entity_types['view'])) {
    $entity_types['view']
      ->setClass('Drupal\\views_revisions\\Entity\\ViewsRevisions')
      ->setStorageClass('Drupal\\views_revisions\\ViewsRevisionsStorage')
      ->setLinkTemplate('revisions', '/admin/structure/views/view/{view}/revisions')
      ->setLinkTemplate('revision', '/admin/structure/views/view/{view}/revision/{revision_id}')
      ->setFormClass('edit', 'Drupal\\views_revisions\\ViewsRevisionsEditForm');
  }
}

/**
 * Implements hook_entity_operations().
 */

/**
 * Implements hook_entity_operation_alter().
 */
function views_revisions_entity_operation_alter(array &$operations, \Drupal\Core\Entity\EntityInterface $entity) {
  if ($entity
    ->access('revisions') && $entity
    ->hasLinkTemplate('revisions')) {
    $operations['revisions'] = [
      'title' => t('Revisions'),
      'weight' => 100,
      'url' => $entity
        ->toUrl('revisions'),
    ];
  }
}

Functions

Name	Description
views_revisions_entity_operation_alter	Implements hook_entity_operation_alter().
views_revisions_entity_type_alter	Implements hook_entity_type_alter().
views_revisions_form_alter	Implements hook_form_alter().
views_revisions_menu_local_tasks_alter	Implements hook_menu_local_tasks_alter().
views_revisions_view_delete	Implements hook_ENTITY_TYPE_delete().
views_revisions_view_update	Implements hook_ENTITY_TYPE_update().