Open comments in board view with a modal dialog instead of tooltip

app/Controller/CommentListController.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Kanboard\Controller;
+
+use Kanboard\Model\UserMetadataModel;
+
+/**
+ * Class CommentListController
+ *
+ * @package Kanboard\Controller
+ * @author  Frederic Guillot
+ */
+class CommentListController extends BaseController
+{
+    public function show()
+    {
+        $project = $this->getProject();
+        $task = $this->getTask();
+        $commentSortingDirection = $this->userMetadataCacheDecorator->get(UserMetadataModel::KEY_COMMENT_SORTING_DIRECTION, 'ASC');
+
+        $this->response->html($this->template->render('comment_list/show', array(
+            'project'  => $project,
+            'task'     => $task,
+            'comments' => $this->commentModel->getAll($task['id'], $commentSortingDirection),
+            'editable' => $this->helper->user->hasProjectAccess('CommentController', 'edit', $task['project_id']),
+        )));
+    }
+
+    public function save()
+    {
+        $task = $this->getTask();
+        $values = $this->request->getValues();
+        $values['task_id'] = $task['id'];
+        $values['user_id'] = $this->userSession->getId();
+
+        list($valid, ) = $this->commentValidator->validateCreation($values);
+
+        if ($valid && $this->commentModel->create($values) !== false) {
+            $this->flash->success(t('Comment added successfully.'));
+        }
+
+        $this->show();
+    }
+
+    public function toggleSorting()
+    {
+        $this->helper->comment->toggleSorting();
+        $this->show();
+    }
+}