Refactoring to implement new layout with filters: board/calendar/list views (work in progress)

app/Template/board/popover_category.php

@@ -0,0 +1,22 @@
+<section id="main">
+    <section>
+        <h3><?= t('Change category for the task "%s"', $values['title']) ?></h3>
+        <form method="post" action="<?= $this->url->href('board', 'updateCategory', array('task_id' => $values['id'], 'project_id' => $values['project_id'])) ?>">
+
+            <?= $this->form->csrf() ?>
+
+            <?= $this->form->hidden('id', $values) ?>
+            <?= $this->form->hidden('project_id', $values) ?>
+
+            <?= $this->form->label(t('Category'), 'category_id') ?>
+            <?= $this->form->select('category_id', $categories_list, $values) ?><br/>
+
+            <div class="form-actions">
+                <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue"/>
+                <?= t('or') ?>
+                <?= $this->url->link(t('cancel'), 'board', 'show', array('project_id' => $project['id']), false, 'close-popover') ?>
+            </div>
+        </form>
+    </section>
+
+</section>