--- /dev/null
+<?php
+
+namespace Drupal\ckeditor_templates\Plugin\CKEditorPlugin;
+
+use Drupal\ckeditor\CKEditorPluginBase;
+use Drupal\ckeditor\CKEditorPluginConfigurableInterface;
+use Drupal\Core\Config\ConfigFactory;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\editor\Entity\Editor;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines the "Templates" plugin.
+ *
+ * @CKEditorPlugin(
+ * id = "templates",
+ * label = @Translation("Templates")
+ * )
+ */
+class CkeditorTemplates extends CKEditorPluginBase implements CKEditorPluginConfigurableInterface, ContainerFactoryPluginInterface {
+
+ /**
+ * Configuration Factory Service.
+ *
+ * @var \Drupal\Core\Config\ConfigFactory
+ */
+ private $configFactoryService;
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+ return new static(
+ $configuration, $plugin_id, $plugin_definition, $container->get('config.factory')
+ );
+ }
+
+ /**
+ * Constructs a Drupal\Component\Plugin\PluginBase 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\Core\Config\ConfigFactory $configFactoryService
+ * Drupal Configuration Factory Service.
+ */
+ public function __construct(array $configuration, $plugin_id, $plugin_definition, ConfigFactory $configFactoryService) {
+ parent::__construct($configuration, $plugin_id, $plugin_definition);
+
+ $this->configFactoryService = $configFactoryService;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFile() {
+ return $this->getTemplatesPluginPath() . '/plugin.js';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getLibraries(Editor $editor) {
+ return ['ckeditor_templates/ckeditor.templates.dialog'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getButtons() {
+ return [
+ 'Templates' => [
+ 'label' => t('Templates'),
+ 'image' => $this->getTemplatesPluginPath() . '/icons/templates.png',
+ ],
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getConfig(Editor $editor) {
+ $config = [];
+ $settings = $editor->getSettings();
+ // Set replace content default value if set.
+ if (isset($settings['plugins']['templates']['replace_content'])) {
+ $config['templates_replaceContent'] = $settings['plugins']['templates']['replace_content'];
+ }
+ // Set template files default value if set.
+ if (isset($settings['plugins']['templates']['template_path']) && !empty($settings['plugins']['templates']['template_path'])) {
+ $config['templates_files'] = [$settings['plugins']['templates']['template_path']];
+ }
+ else {
+ // Use templates plugin default file.
+ $config['templates_files'] = $this->getTemplatesDefaultPath();
+ }
+ return $config;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsForm(array $form, FormStateInterface $form_state, Editor $editor) {
+ // Defaults.
+ $config = [
+ 'replace_content' => FALSE,
+ 'template_path' => '',
+ ];
+
+ $settings = $editor->getSettings();
+
+ if (isset($settings['plugins']['templates'])) {
+ $config = $settings['plugins']['templates'];
+ }
+
+ $form['template_path'] = [
+ '#title' => t('Template definition file'),
+ '#type' => 'textfield',
+ '#default_value' => $config['template_path'],
+ '#description' => t('Path to the javascript file defining the templates, relative to drupal root (starting with "/"). By default, it looks in your default theme directory for a file named "templates/ckeditor_templates.js"'),
+ ];
+
+ $form['replace_content'] = [
+ '#title' => t('Replace content default value'),
+ '#type' => 'checkbox',
+ '#default_value' => $config['replace_content'],
+ '#description' => t('Whether the "Replace actual contents" checkbox is checked by default in the Templates dialog'),
+ ];
+
+ $form['#attached']['library'][] = 'ckeditor_templates/ckeditor.templates.admin';
+
+ return $form;
+ }
+
+ /**
+ * Return ckeditor templates plugin path relative to drupal root.
+ *
+ * @return string
+ * Relative path to the ckeditor plugin folder
+ */
+ private function getTemplatesPluginPath() {
+ return 'libraries/templates';
+ }
+
+ /**
+ * Generate the path to the template file.
+ *
+ * The file will be picked from :
+ * - the default theme if the file exists
+ * - the ckeditor template directory otherwise.
+ *
+ * @return array
+ * List of path to the template file
+ */
+ private function getTemplatesDefaultPath() {
+ // Default to module folder.
+ $defaultPath = '/' . $this->getTemplatesPluginPath() . '/templates/default.js';
+
+ // Get site default theme name.
+ $defaultThemConfig = $this->configFactoryService->get('system.theme');
+ $defaultThemeName = $defaultThemConfig->get('default');
+
+ $defaultThemeFileAbsolutePath = DRUPAL_ROOT . '/' . drupal_get_path('theme', $defaultThemeName) . '/templates/ckeditor_templates.js';
+ if (file_exists($defaultThemeFileAbsolutePath)) {
+ $defaultPath = '/' . drupal_get_path('theme', $defaultThemeName) . '/templates/ckeditor_templates.js';
+ }
+
+ return [$defaultPath];
+ }
+
+}