Display a confirmation page before delete the poll (confirmation does nothing for now)

adminstuds.php

@@ -136,6 +136,21 @@ if (!empty($_POST['delete_comment'])) {
     }
 }
 
+
+// -------------------------------
+// Delete the entire poll
+// -------------------------------
+
+if (isset($_POST['delete_poll'])) {
+    $smarty->assign('poll_id', $poll_id);
+    $smarty->assign('admin_poll_id', $admin_poll_id);
+    $smarty->display('confirm/delete_poll.tpl');
+    exit;
+}
+if (isset($_POST['confirm_delete_poll'])) {
+    // TODO
+}
+
 // Retrieve data
 $slots = $pollService->allSlotsByPollId($poll_id);
 $votes = $pollService->allUserVotesByPollId($poll_id);

tpl/confirm/delete_poll.tpl

+{extends file='page.tpl'}
+
+{block name=main}
+<form action="{$admin_poll_id|poll_url:true}" method="POST">
+    <div class="alert alert-danger text-center">
+        <h2>{_("Confirm removal of your poll")}</h2>
+        <p><button class="btn btn-default" type="submit" name="cancel">{_("Keep this poll")}</button>
+            <button type="submit" name="confirm_delete_poll" class="btn btn-danger">{_("Remove this poll!")}</button></p>
+    </div>
+</form>
+{/block}
\ No newline at end of file