Todo/Done menu mark all in this column

Template/board/mark_all_confirm.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * The "Mark all as Done/Todo" modal: one modal serving both purposes -- confirm and pick direction.
+ * Two buttons set every task in the column to the same state; cancel closes the modal. Each button is
+ * a CSRF link to DoneController::markColumn.
+ */
+?>
+<div class="page-header">
+    <h2><?= t('Mark all tasks in this column') ?></h2>
+</div>
+
+<p class="confirm">
+    <?= t('Set every task in this column to the same state. Already-done tasks are overwritten (no harm).') ?>
+</p>
+
+<div class="form-actions">
+    <?= $this->url->link(t('Mark all Done'), 'DoneController', 'markColumn', array(
+        'plugin' => 'OrganonTweaks',
+        'project_id' => $project_id,
+        'column_id' => $column_id,
+        'swimlane_id' => $swimlane_id,
+        'direction' => 'done',
+    ), true, 'btn btn-blue') ?>
+
+    <?= $this->url->link(t('Mark all Todo'), 'DoneController', 'markColumn', array(
+        'plugin' => 'OrganonTweaks',
+        'project_id' => $project_id,
+        'column_id' => $column_id,
+        'swimlane_id' => $swimlane_id,
+        'direction' => 'todo',
+    ), true, 'btn btn-red') ?>
+
+    <?= t('or') ?>
+    <?= $this->url->link(t('cancel'), 'BoardViewController', 'show', array('project_id' => $project_id), false, 'close-popover') ?>
+</div>