From 8e415b38cbff1a0a9e3ef2db1b8049da199e9d13 Mon Sep 17 00:00:00 2001
From: mayue <mayue@easycorp.ltd>
Date: Thu, 19 May 2022 07:45:02 +0000
Subject: [PATCH] * Fix bug #22639.

---
 module/productplan/model.php          | 3 +--
 module/productplan/view/edit.html.php | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/module/productplan/model.php b/module/productplan/model.php
index e7ddf6f878..9de298b65c 100644
--- a/module/productplan/model.php
+++ b/module/productplan/model.php
@@ -497,7 +497,6 @@ class productplanModel extends model
         $plan = fixer::input('post')->stripTags($this->config->productplan->editor->edit['id'], $this->config->allowedTags)
             ->setIF($this->post->future or empty($_POST['begin']), 'begin', $this->config->productplan->future)
             ->setIF($this->post->future or empty($_POST['end']), 'end', $this->config->productplan->future)
-            ->setIF(!isset($_POST['parent']), 'parent', -1)
             ->add('id', $planID)
             ->remove('delta,uid,future')
             ->get();
@@ -516,7 +515,7 @@ class productplanModel extends model
                 if($plan->end !== $this->config->productplan->future and $plan->end > $parentPlan->end) dao::$errors['end'] = sprintf($this->lang->productplan->endGreaterParent, $parentPlan->end);
             }
         }
-        elseif($plan->parent == -1 and $plan->begin != $this->config->productplan->future)
+        elseif($oldPlan->parent == -1 and $plan->begin != $this->config->productplan->future)
         {
             $childPlans = $this->getChildren($oldPlan->id);
             $minBegin   = $plan->begin;
diff --git a/module/productplan/view/edit.html.php b/module/productplan/view/edit.html.php
index ca8c0cf8ca..5ffab0ae95 100644
--- a/module/productplan/view/edit.html.php
+++ b/module/productplan/view/edit.html.php
@@ -39,7 +39,7 @@
             <th><?php echo $lang->productplan->title;?></th>
             <td><?php echo html::input('title', $plan->title, "class='form-control' required");?></td><td></td><td></td>
           </tr>
-          <tr <?php echo $plan->parent == '-1' ? class='hidden': '';?>>
+          <tr <?php echo $plan->parent == '-1' ? "class='hidden'": '';?>>
             <th><?php echo $lang->productplan->parent;?></th>
             <td><?php echo html::select('parent', array('0' => '') + $parentPlanPairs, $plan->parent, "class='form-control chosen'");?>
           </tr>