entityconnect-8.x-2.0-rc1/entityconnect.module

<?php

/**
 * @file
 * Contains entityconnect.module.
 */

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\entityconnect\Controller\EntityconnectController;
use Drupal\entityconnect\EntityconnectFormUtils;

/**
 * Implements hook_help().
 */
function entityconnect_help($route_name, RouteMatchInterface $route_match) {
  $module_path = \Drupal::service('extension.list.module')->getPath('entityconnect');
  switch ($route_name) {
    // Main module help for the entityconnect module.
    case 'help.page.entityconnect':
      $output = '';

      $filepath = $module_path . '/README.md';
      if (file_exists($filepath)) {
        $readme = file_get_contents($filepath);
      }
      if (!isset($readme)) {
        return NULL;
      }
      if (\Drupal::moduleHandler()->moduleExists('markdown')) {
        $filters = \Drupal::moduleHandler()->invoke('markdown', 'filter_info');
        $info = $filters['filter_markdown'];

        if (function_exists($info['process callback'])) {
          $output = $info['process callback']($readme, NULL);
        }
        else {
          $output = '<pre>' . $readme . '</pre>';
        }
      }
      else {
        $output = '<pre>' . $readme . '</pre>';
      }

      return $output;
  }
}

/**
 * Implements hook_module_implements_alter().
 */
function entityconnect_module_implements_alter(&$implementations, $hook) {
  if ('form_alter' == $hook && isset($implementations['entityconnect'])) {
    $group = $implementations['entityconnect'];
    unset($implementations['entityconnect']);
    $implementations['entityconnect'] = $group;
  }
}

/**
 * Implements hook_theme().
 */
function entityconnect_theme() {
  $theme = [
    // Entityconnect Entity add list page.
    'entityconnect_entity_add_list' => [
      'variables' => [
        'items' => NULL,
        'cache_id' => NULL,
        'cancel_link' => NULL,
      ],
      'file' => 'templates/entityconnect.theme.inc',
    ],
  ];

  return $theme;
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function entityconnect_form_field_config_edit_form_alter(array &$form, FormStateInterface $form_state) {
  EntityconnectFormUtils::fieldConfigEditFormAlter($form, $form_state);
}

/**
 * Implements hook_form_alter().
 */
function entityconnect_form_alter(&$form, FormStateInterface $form_state, $form_id) {

  // Get the cache from the id and set the form state if this is a child form.
  $request = \Drupal::request();
  if (!empty($request->query->get('build_cache_id'))) {
    $cid = $request->query->get('build_cache_id');
    $cache_data = \Drupal::getContainer()->get('entityconnect.cache')->get($cid);
    if (!empty($request->query->get('child'))) {
      $form_state->set('#entityconnect_child_form', [$cid => $cache_data]);
    }
    if (!empty($request->query->get('return')) && !empty($cache_data) && $cache_data['form']['#form_id'] == $form_id) {
      $request->query->remove('build_cache_id');
      EntityconnectFormUtils::returnFormAlter($form, $form_state, $cache_data);
      \Drupal::getContainer()->get('entityconnect.cache')->delete($cid);
    }
  }

  // If this form is a child form let's add alter for that purpose
  // Note that we are doing this here because when we return to a form it gets
  // rebuilt so this will get caught in the rebuilt.
  if ($cache = $form_state->get('#entityconnect_child_form')) {
    EntityconnectFormUtils::childFormAlter($form, $form_state, $form_id, key($cache));
  }

  // Adds entity connect buttons to any ref fields in the form.
  EntityconnectFormUtils::entityFormAlter($form, $form_state);

  if (isset($form['actions']['save_edit']) &&
    $key = array_search('save_edit_form_submit_redirect', $form['actions']['save_edit']['#submit'])
  ) {
    // Fix an issue with removed query parameters.
    unset($form['actions']['save_edit']['#submit'][$key]);
    $form['actions']['save_edit']['#submit'][] = 'entityconnect_save_edit_submit_redirect';
  }
}

/**
 * Alter the redirect from the 'save & edit' module.
 */
function entityconnect_save_edit_submit_redirect(&$form, FormStateInterface $form_state) {
  $entity = $form_state->getFormObject()->getEntity();
  /** @var \Drupal\Core\Url $url */
  $url = $entity->toUrl('edit-form');

  if ($query = \Drupal::request()->query->all()) {
    $url->setOption('query', $query);
  }

  if (!empty($query['destination'])) {
    $url->setRouteParameter('destination', $query['destination']);
  }

  \Drupal::request()->query->remove('destination');
  $form_state->setRedirectUrl($url);
}

/**
 * Implements hook_entityconnect_add_info().
 */
function entityconnect_entityconnect_add_info($cache_id, $entity_type, $acceptable_types) {
  return EntityconnectController::addInfo($cache_id, $entity_type, $acceptable_types);
}

/**
 * Implements hook_entityconnect_edit_info().
 */
function entityconnect_entityconnect_edit_info($cache_id, $entity_type, $target_id) {
  return EntityconnectController::editInfo($cache_id, $entity_type, $target_id);
}