Add button for code blocks

action.php

@@ -10,9 +10,20 @@ use dokuwiki\Extension\EventHandler;
 class action_plugin_luxtools extends ActionPlugin
 {
     /** @inheritdoc */
-    public function register(EventHandler $controller)
+    public function register(Doku_Event_Handler $controller)
     {
-        $controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'addScripts');
+        $controller->register_hook(
+            "TPL_METAHEADER_OUTPUT",
+            "BEFORE",
+            $this,
+            "addScripts",
+        );
+        $controller->register_hook(
+            "TOOLBAR_DEFINE",
+            "AFTER",
+            $this,
+            "addToolbarButton",
+        );
     }
 
     /**
@@ -22,22 +33,43 @@ class action_plugin_luxtools extends ActionPlugin
      * @param mixed $param
      * @return void
      */
-        public function addScripts(Event $event, $param)
+    public function addScripts(Event $event, $param)
     {
-        $base = DOKU_BASE . 'lib/plugins/luxtools/js/';
-        $scripts = array(
-            'lightbox.js',
-            'gallery-thumbnails.js',
-            'open-service.js',
-            'scratchpads.js',
-            'main.js'
-        );
+        $base = DOKU_BASE . "lib/plugins/luxtools/js/";
+        $scripts = [
+            "lightbox.js",
+            "gallery-thumbnails.js",
+            "open-service.js",
+            "scratchpads.js",
+            "main.js",
+        ];
 
         foreach ($scripts as $script) {
-            $event->data['script'][] = array(
-                'type' => 'text/javascript',
-                'src' => $base . $script
-            );
+            $event->data["script"][] = [
+                "type" => "text/javascript",
+                "src" => $base . $script,
+            ];
         }
     }
+
+    /**
+     * Add custom toolbar button for code blocks.
+     *
+     * @param Event $event
+     * @param mixed $param
+     * @return void
+     */
+    public function addToolbarButton(Event $event, $param)
+    {
+        $event->data[] = [
+            "type" => "format",
+            "title" => $this->getLang("toolbar_code_title"),
+            "icon" => "../../plugins/luxtools/images/code.png",
+            "key" => "C",
+            "open" => "<code>",
+            "sample" => $this->getLang("toolbar_code_sample"),
+            "close" => "</code>",
+            "block" => false,
+        ];
+    }
 }