ace_editor.module in Ace Code Editor 8

This file is used to write hooks that used in the module.

File

ace_editor.module

<?php

/**
 * @file
 * This file is used to write hooks that used in the module.
 */

/**
 * Verifies that Ace library is present.
 *
 * The library is searched in the directory DRUPAL_ROOT/libraries.
 * DRUPAL_ROOT/libraries is recommended for storing external libraries.
 * For preserving backwards compatibility, ace_editor/libraries is also checked.
 */
function ace_editor_lib_path() {
  $paths_to_check = [
    '/libraries',
    '/' . drupal_get_path('module', 'ace_editor') . '/libraries/',
    '/' . drupal_get_path('profile', \Drupal::installProfile()) . '/libraries/',
  ];
  foreach ($paths_to_check as $path) {
    if (!is_dir(DRUPAL_ROOT . $path)) {
      continue;
    }
    $found = \Drupal::service('file_system')
      ->scanDirectory(DRUPAL_ROOT . $path, '/^ace\\.js/', [
      'recurse' => TRUE,
    ]);
    if ($found) {
      return substr(preg_replace('/ace\\.js/', '', reset($found)->uri), strlen(DRUPAL_ROOT));
    }
  }
  return FALSE;
}

/**
 * Implements hook_library_info_build().
 *
 * Selects all theme and mode files from ace editor external library and add it
 * to drupal library.
 */
function ace_editor_library_info_build() {
  $path = ace_editor_lib_path();

  // Collects all theme and mode files available.
  $files = \Drupal::service('file_system')
    ->scanDirectory(DRUPAL_ROOT . $path, '/(theme|mode)-(.+)\\.js$/', [
    'recurse' => FALSE,
  ]);
  $libraries = [];
  foreach ($files as $file_info) {
    $asset = explode('-', $file_info->name);
    $library_name = $asset[0] . '.' . $asset[1];
    $libraries[$library_name] = $path . $file_info->filename;
  }
  $libs = [];
  foreach ($libraries as $key => $value) {
    $libs[$key] = [
      'js' => [
        $value => [],
      ],
    ];
  }
  return $libs;
}

/**
 * Implements hook_library_info_alter().
 */
function ace_editor_library_info_alter(&$libraries, $extension) {
  if ($extension == 'ace_editor') {
    $library_path = ace_editor_lib_path();
    $libraries['primary']['js'][$library_path . 'ace.js'] = [
      'weight' => -2,
    ];
    $config = \Drupal::config('ace_editor.settings')
      ->get();
    if ($config['auto_complete']) {
      $libraries['primary']['js'][$library_path . 'ext-language_tools.js'] = [
        'weight' => -2,
      ];
    }
    $libraries['formatter']['js'][$library_path . 'ace.js'] = [
      'weight' => -2,
    ];
    $libraries['filter']['js'][$library_path . 'ace.js'] = [
      'weight' => -2,
    ];
  }
}

Functions

Name	Description
ace_editor_library_info_alter	Implements hook_library_info_alter().
ace_editor_library_info_build	Implements hook_library_info_build().
ace_editor_lib_path	Verifies that Ace library is present.