Add board filter: collapse/expand tasks

app/Template/board/task_public.php

@@ -0,0 +1,26 @@
+<div class="task-board color-<?= $task['color_id'] ?> <?= $task['date_modification'] > time() - $board_highlight_period ? 'task-board-recent' : '' ?>">
+
+    <?= $this->a('#'.$task['id'], 'task', 'readonly', array('task_id' => $task['id'], 'token' => $project['token'])) ?>
+
+    <?php if ($task['reference']): ?>
+    <span class="task-board-reference" title="<?= t('Reference') ?>">
+        (<?= $task['reference'] ?>)
+    </span>
+    <?php endif ?>
+
+    &nbsp;-&nbsp;
+
+    <span class="task-board-user">
+    <?php if (! empty($task['owner_id'])): ?>
+        <?= t('Assigned to %s', $task['assignee_name'] ?: $task['assignee_username']) ?>
+    <?php else: ?>
+        <span class="task-board-nobody"><?= t('Nobody assigned') ?></span>
+    <?php endif ?>
+    </span>
+
+    <div class="task-board-title">
+        <?= $this->a($this->e($task['title']), 'task', 'readonly', array('task_id' => $task['id'], 'token' => $project['token'])) ?>
+    </div>
+
+    <?= $this->render('board/task_footer', array('task' => $task, 'categories' => $categories)) ?>
+</div>