anchor_link-8.x-1.x-dev/anchor_link.module

<?php

/**
 * @file
 * Contains anchor_link.module.
 */

use Drupal\ckeditor5\Plugin\CKEditor5PluginDefinition;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function anchor_link_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the entity_link module.
    case 'help.page.anchor_link':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('This plugin module adds the better link dialog and anchor related features to CKEditor in Drupal 9') . '</p>';
      $output .= '<p><ul>';
      $output .= '  <li>Dialog to insert links and anchors with some properties.</li>';
      $output .= '  <li>Context menu option to edit or remove links and anchors.</li>';
      $output .= '  <li>Ability to insert a link with the URL using multiple protocols, including an external file if a file manager is integrated.</li>';
      $output .= '</ul></p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_ckeditor5_plugin_info_alter().
 */
function anchor_link_ckeditor5_plugin_info_alter(array &$plugin_definitions): void {
  $plugins_to_override = [
    'ckeditor5_arbitraryHtmlSupport',
  ];

  foreach ($plugins_to_override as $plugin_id) {
    if (!isset($plugin_definitions[$plugin_id])) {
      return;
    }

    $plugin_definition = $plugin_definitions[$plugin_id]->toArray();

    // Make plugin-specific alterations. Disallow the General HTML Support
    // plugin from controlling links with the attributes handled by the
    // Anchor plugin.
    $plugin_definition['ckeditor5']['config']['htmlSupport']['disallow'][] = [
      'name' => 'a',
      'attributes' => [
        'id',
        'name',
      ],
      'classes' => [
        'ck-anchor',
      ],
    ];

    // Update plugin definitions.
    $plugin_definitions[$plugin_id] = new CKEditor5PluginDefinition($plugin_definition);
  }
}