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

app/Template/task_comments/create.php

@@ -0,0 +1,8 @@
+<form method="post" action="<?= $this->url->href('CommentController', 'save', array('task_id' => $task['id'], 'project_id' => $task['project_id'])) ?>" autocomplete="off">
+    <?= $this->form->csrf() ?>
+    <?= $this->form->hidden('task_id', $values) ?>
+    <?= $this->form->hidden('user_id', $values) ?>
+
+    <?= $this->form->textEditor('comment', $values, $errors, array('required' => true)) ?>
+    <?= $this->modal->submitButtons() ?>
+</form>

app/Template/task_comments/show.php

@@ -0,0 +1,31 @@
+<section class="accordion-section <?= empty($comments) ? 'accordion-collapsed' : '' ?>">
+    <div class="accordion-title">
+        <h3><a href="#" class="fa accordion-toggle"></a> <?= t('Comments') ?></h3>
+    </div>
+    <div class="accordion-content comments" id="comments">
+        <?php if (!isset($is_public) || !$is_public): ?>
+            <div class="comment-sorting">
+                <small>
+                    <?= $this->url->icon('sort', t('change sorting'), 'CommentController', 'toggleSorting', array('task_id' => $task['id'], 'project_id' => $task['project_id'])) ?>
+                </small>
+            </div>
+        <?php endif ?>
+        <?php foreach ($comments as $comment): ?>
+            <?= $this->render('comment/show', array(
+                'comment' => $comment,
+                'task' => $task,
+                'project' => $project,
+                'editable' => $editable,
+                'is_public' => isset($is_public) && $is_public,
+            )) ?>
+        <?php endforeach ?>
+
+        <?php if ($editable): ?>
+            <?= $this->render('task_comments/create', array(
+                'values' => array(),
+                'errors' => array(),
+                'task' => $task,
+            )) ?>
+        <?php endif ?>
+    </div>
+</section>