class CKEditor in Drupal 10
Same name and namespace in other branches
- 8 core/modules/ckeditor/src/Plugin/Editor/CKEditor.php \Drupal\ckeditor\Plugin\Editor\CKEditor
- 9 core/modules/ckeditor/src/Plugin/Editor/CKEditor.php \Drupal\ckeditor\Plugin\Editor\CKEditor
Defines a CKEditor-based text editor for Drupal.
Plugin annotation
@Editor(
id = "ckeditor",
label = @Translation("CKEditor"),
supports_content_filtering = TRUE,
supports_inline_editing = TRUE,
is_xss_safe = FALSE,
supported_element_types = {
"textarea"
}
)
Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
- class \Drupal\editor\Plugin\EditorBase implements EditorPluginInterface
- class \Drupal\ckeditor\Plugin\Editor\CKEditor implements ContainerFactoryPluginInterface
- class \Drupal\editor\Plugin\EditorBase implements EditorPluginInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
Expanded class hierarchy of CKEditor
3 string references to 'CKEditor'
- ckeditor.info.yml in core/
modules/ ckeditor/ ckeditor.info.yml - core/modules/ckeditor/ckeditor.info.yml
- CKEditorAdminTest::testExistingFormat in core/
modules/ ckeditor/ tests/ src/ Functional/ CKEditorAdminTest.php - Tests configuring a text editor for an existing text format.
- CKEditorAdminTest::testNewFormat in core/
modules/ ckeditor/ tests/ src/ Functional/ CKEditorAdminTest.php - Tests configuring a text editor for a new text format.
File
- core/
modules/ ckeditor/ src/ Plugin/ Editor/ CKEditor.php, line 33
Namespace
Drupal\ckeditor\Plugin\EditorView source
class CKEditor extends EditorBase implements ContainerFactoryPluginInterface {
/**
* The module handler to invoke hooks on.
*
* @var \Drupal\Core\Extension\ModuleHandlerInterface
*/
protected $moduleHandler;
/**
* The language manager.
*
* @var \Drupal\Core\Language\LanguageManagerInterface
*/
protected $languageManager;
/**
* The CKEditor plugin manager.
*
* @var \Drupal\ckeditor\CKEditorPluginManager
*/
protected $ckeditorPluginManager;
/**
* The renderer.
*
* @var \Drupal\Core\Render\RendererInterface
*/
protected $renderer;
/**
* The file URL generator.
*
* @var \Drupal\Core\File\FileUrlGeneratorInterface
*/
protected $fileUrlGenerator;
/**
* The state key/value store.
*
* @var \Drupal\Core\State\StateInterface
*/
protected $state;
/**
* The module list service.
*
* @var \Drupal\Core\Extension\ModuleExtensionList
*/
protected $moduleList;
/**
* Constructs a \Drupal\ckeditor\Plugin\Editor\CKEditor object.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\ckeditor\CKEditorPluginManager $ckeditor_plugin_manager
* The CKEditor plugin manager.
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler to invoke hooks on.
* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
* The language manager.
* @param \Drupal\Core\Render\RendererInterface $renderer
* The renderer.
* @param \Drupal\Core\State\StateInterface $state
* The state key/value store.
* @param \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator
* The file URL generator.
* @param \Drupal\Core\Extension\ModuleExtensionList $module_list
* The module list service.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, CKEditorPluginManager $ckeditor_plugin_manager, ModuleHandlerInterface $module_handler, LanguageManagerInterface $language_manager, RendererInterface $renderer, StateInterface $state, FileUrlGeneratorInterface $file_url_generator, ModuleExtensionList $module_list) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->ckeditorPluginManager = $ckeditor_plugin_manager;
$this->moduleHandler = $module_handler;
$this->languageManager = $language_manager;
$this->renderer = $renderer;
$this->state = $state;
$this->fileUrlGenerator = $file_url_generator;
$this->moduleList = $module_list;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container
->get('plugin.manager.ckeditor.plugin'), $container
->get('module_handler'), $container
->get('language_manager'), $container
->get('renderer'), $container
->get('state'), $container
->get('file_url_generator'), $container
->get('extension.list.module'));
}
/**
* {@inheritdoc}
*/
public function getDefaultSettings() {
return [
'toolbar' => [
'rows' => [
// Button groups.
[
[
'name' => $this
->t('Formatting'),
'items' => [
'Bold',
'Italic',
],
],
[
'name' => $this
->t('Links'),
'items' => [
'DrupalLink',
'DrupalUnlink',
],
],
[
'name' => $this
->t('Lists'),
'items' => [
'BulletedList',
'NumberedList',
],
],
[
'name' => $this
->t('Media'),
'items' => [
'Blockquote',
'DrupalImage',
],
],
[
'name' => $this
->t('Tools'),
'items' => [
'Source',
],
],
],
],
],
'plugins' => [],
];
}
/**
* {@inheritdoc}
*/
public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
$editor = $form_state
->get('editor');
$settings = $editor
->getSettings();
$ckeditor_settings_toolbar = [
'#theme' => 'ckeditor_settings_toolbar',
'#editor' => $editor,
'#plugins' => $this->ckeditorPluginManager
->getButtons(),
];
$form['toolbar'] = [
'#type' => 'container',
'#attached' => [
'library' => [
'ckeditor/drupal.ckeditor.admin',
],
'drupalSettings' => [
'ckeditor' => [
'toolbarAdmin' => (string) $this->renderer
->renderPlain($ckeditor_settings_toolbar),
],
],
],
'#attributes' => [
'class' => [
'ckeditor-toolbar-configuration',
],
],
];
$form['toolbar']['button_groups'] = [
'#type' => 'textarea',
'#title' => $this
->t('Toolbar buttons'),
'#default_value' => json_encode($settings['toolbar']['rows']),
'#attributes' => [
'class' => [
'ckeditor-toolbar-textarea',
],
],
];
// CKEditor plugin settings, if any.
$form['plugin_settings'] = [
'#type' => 'vertical_tabs',
'#title' => $this
->t('CKEditor plugin settings'),
'#attributes' => [
'id' => 'ckeditor-plugin-settings',
],
];
$this->ckeditorPluginManager
->injectPluginSettingsForm($form, $form_state, $editor);
if (count(Element::children($form['plugins'])) === 0) {
unset($form['plugins']);
unset($form['plugin_settings']);
}
// Hidden CKEditor instance. We need a hidden CKEditor instance with all
// plugins enabled, so we can retrieve CKEditor's per-feature metadata (on
// which tags, attributes, styles and classes are enabled). This metadata is
// necessary for certain filters' (for instance, the html_filter filter)
// settings to be updated accordingly.
// Get a list of all external plugins and their corresponding files.
$plugins = array_keys($this->ckeditorPluginManager
->getDefinitions());
$all_external_plugins = [];
foreach ($plugins as $plugin_id) {
$plugin = $this->ckeditorPluginManager
->createInstance($plugin_id);
if (!$plugin
->isInternal()) {
$all_external_plugins[$plugin_id] = $plugin
->getFile();
}
}
// Get a list of all buttons that are provided by all plugins.
$all_buttons = array_reduce($this->ckeditorPluginManager
->getButtons(), function ($result, $item) {
return array_merge($result, array_keys($item));
}, []);
// Build a fake Editor object, which we'll use to generate JavaScript
// settings for this fake Editor instance.
$fake_editor = Editor::create([
'format' => $editor
->id(),
'editor' => 'ckeditor',
'settings' => [
// Single toolbar row, single button group, all existing buttons.
'toolbar' => [
'rows' => [
0 => [
0 => [
'name' => 'All existing buttons',
'items' => $all_buttons,
],
],
],
],
'plugins' => $settings['plugins'],
],
]);
$config = $this
->getJSSettings($fake_editor);
// Remove the ACF configuration that is generated based on filter settings,
// because otherwise we cannot retrieve per-feature metadata.
unset($config['allowedContent']);
$form['hidden_ckeditor'] = [
'#markup' => '<div id="ckeditor-hidden" class="hidden"></div>',
'#attached' => [
'drupalSettings' => [
'ckeditor' => [
'hiddenCKEditorConfig' => $config,
],
],
],
];
return $form;
}
/**
* {@inheritdoc}
*/
public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
}
/**
* {@inheritdoc}
*/
public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
// The rows key is not built into the form structure, so decode the button
// groups data into this new key and remove the button_groups key.
$form_state
->setValue([
'toolbar',
'rows',
], json_decode($form_state
->getValue([
'toolbar',
'button_groups',
]), TRUE));
$form_state
->unsetValue([
'toolbar',
'button_groups',
]);
// Remove the plugin settings' vertical tabs state; no need to save that.
if ($form_state
->hasValue('plugins')) {
$form_state
->unsetValue('plugin_settings');
}
// Ensure plugin settings are only saved for plugins that are actually
// enabled.
$about_to_be_saved_editor = Editor::create([
'editor' => 'ckeditor',
'settings' => [
'toolbar' => $form_state
->getValue('toolbar'),
'plugins' => $form_state
->getValue('plugins'),
],
]);
$enabled_plugins = _ckeditor_get_enabled_plugins($about_to_be_saved_editor);
$plugin_settings = $form_state
->getValue('plugins', []);
foreach (array_keys($plugin_settings) as $plugin_id) {
if (!in_array($plugin_id, $enabled_plugins, TRUE)) {
unset($plugin_settings[$plugin_id]);
}
}
$form_state
->setValue('plugins', $plugin_settings);
}
/**
* {@inheritdoc}
*/
public function getJSSettings(Editor $editor) {
$settings = [];
// Get the settings for all enabled plugins, even the internal ones.
$enabled_plugins = array_keys($this->ckeditorPluginManager
->getEnabledPluginFiles($editor, TRUE));
foreach ($enabled_plugins as $plugin_id) {
$plugin = $this->ckeditorPluginManager
->createInstance($plugin_id);
$settings += $plugin
->getConfig($editor);
}
// Fall back on English if no matching language code was found.
$display_langcode = 'en';
// Map the interface language code to a CKEditor translation if interface
// translation is enabled.
if ($this->moduleHandler
->moduleExists('locale')) {
$ckeditor_langcodes = $this
->getLangcodes();
$language_interface = $this->languageManager
->getCurrentLanguage();
if (isset($ckeditor_langcodes[$language_interface
->getId()])) {
$display_langcode = $ckeditor_langcodes[$language_interface
->getId()];
}
}
// Next, set the most fundamental CKEditor settings.
$external_plugin_files = $this->ckeditorPluginManager
->getEnabledPluginFiles($editor);
$settings += [
'toolbar' => $this
->buildToolbarJSSetting($editor),
'contentsCss' => $this
->buildContentsCssJSSetting($editor),
'extraPlugins' => implode(',', array_keys($external_plugin_files)),
'language' => $display_langcode,
// Configure CKEditor to not load styles.js. The StylesCombo plugin will
// set stylesSet according to the user's settings, if the "Styles" button
// is enabled. We cannot get rid of this until CKEditor will stop loading
// styles.js by default.
// See http://dev.ckeditor.com/ticket/9992#comment:9.
'stylesSet' => FALSE,
];
// Finally, set Drupal-specific CKEditor settings.
$settings += [
'drupalExternalPlugins' => array_map([
$this->fileUrlGenerator,
'generateString',
], $external_plugin_files),
];
// Parse all CKEditor plugin JavaScript files for translations.
if ($this->moduleHandler
->moduleExists('locale')) {
locale_js_translate(array_values($external_plugin_files));
}
ksort($settings);
return $settings;
}
/**
* Returns a list of language codes supported by CKEditor.
*
* @return array
* An associative array keyed by language codes.
*/
public function getLangcodes() {
// Cache the file system based language list calculation because this would
// be expensive to calculate all the time. The cache is cleared on core
// upgrades which is the only situation the CKEditor file listing should
// change.
$langcode_cache = \Drupal::cache()
->get('ckeditor.langcodes');
if (!empty($langcode_cache)) {
$langcodes = $langcode_cache->data;
}
if (empty($langcodes)) {
$langcodes = [];
// Collect languages included with CKEditor based on file listing.
$files = scandir('core/assets/vendor/ckeditor/lang');
foreach ($files as $file) {
if ($file[0] !== '.' && preg_match('/\\.js$/', $file)) {
$langcode = basename($file, '.js');
$langcodes[$langcode] = $langcode;
}
}
\Drupal::cache()
->set('ckeditor.langcodes', $langcodes);
}
// Get language mapping if available to map to Drupal language codes.
// This is configurable in the user interface and not expensive to get, so
// we don't include it in the cached language list.
$language_mappings = $this->moduleHandler
->moduleExists('language') ? language_get_browser_drupal_langcode_mappings() : [];
foreach ($langcodes as $langcode) {
// If this language code is available in a Drupal mapping, use that to
// compute a possibility for matching from the Drupal langcode to the
// CKEditor langcode.
// For instance, CKEditor uses the langcode 'no' for Norwegian, Drupal
// uses 'nb'. This would then remove the 'no' => 'no' mapping and replace
// it with 'nb' => 'no'. Now Drupal knows which CKEditor translation to
// load.
if (isset($language_mappings[$langcode]) && !isset($langcodes[$language_mappings[$langcode]])) {
$langcodes[$language_mappings[$langcode]] = $langcode;
unset($langcodes[$langcode]);
}
}
return $langcodes;
}
/**
* {@inheritdoc}
*/
public function getLibraries(Editor $editor) {
$libraries = [
'ckeditor/drupal.ckeditor',
];
// Get the required libraries for any enabled plugins.
$enabled_plugins = array_keys($this->ckeditorPluginManager
->getEnabledPluginFiles($editor));
foreach ($enabled_plugins as $plugin_id) {
$plugin = $this->ckeditorPluginManager
->createInstance($plugin_id);
$additional_libraries = array_diff($plugin
->getLibraries($editor), $libraries);
$libraries = array_merge($libraries, $additional_libraries);
}
return $libraries;
}
/**
* Builds the "toolbar" configuration part of the CKEditor JS settings.
*
* @see getJSSettings()
*
* @param \Drupal\editor\Entity\Editor $editor
* A configured text editor object.
*
* @return array
* An array containing the "toolbar" configuration.
*/
public function buildToolbarJSSetting(Editor $editor) {
$toolbar = [];
$settings = $editor
->getSettings();
foreach ($settings['toolbar']['rows'] as $row) {
foreach ($row as $group) {
$toolbar[] = $group;
}
$toolbar[] = '/';
}
return $toolbar;
}
/**
* Builds the "contentsCss" configuration part of the CKEditor JS settings.
*
* @see getJSSettings()
*
* @param \Drupal\editor\Entity\Editor $editor
* A configured text editor object.
*
* @return array
* An array containing the "contentsCss" configuration.
*/
public function buildContentsCssJSSetting(Editor $editor) {
$css = [
$this->moduleList
->getPath('ckeditor') . '/css/ckeditor-iframe.css',
$this->moduleList
->getPath('system') . '/css/components/align.module.css',
];
$this->moduleHandler
->alter('ckeditor_css', $css, $editor);
// Get a list of all enabled plugins' iframe instance CSS files.
$plugins_css = array_reduce($this->ckeditorPluginManager
->getCssFiles($editor), function ($result, $item) {
return array_merge($result, array_values($item));
}, []);
$css = array_merge($css, $plugins_css);
$css = array_merge($css, _ckeditor_theme_css());
$query_string = $this->state
->get('system.css_js_query_string', '0');
$css = array_map(function ($item) use ($query_string) {
$query_string_separator = strpos($item, '?') !== FALSE ? '&' : '?';
return $item . $query_string_separator . $query_string;
}, $css);
$css = array_map([
$this->fileUrlGenerator,
'generateString',
], $css);
return array_values($css);
}
}