From caf304be98edff43faa02c134dd759b2e23f56d7 Mon Sep 17 00:00:00 2001
From: Catouse <catouse@gmail.com>
Date: Tue, 22 Aug 2017 14:36:33 +0800
Subject: [PATCH]  * finish task #3155 and fix bug #1093.

---
 module/tree/view/browse.html.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/module/tree/view/browse.html.php b/module/tree/view/browse.html.php
index eb97917ae4..7b19d8ed68 100644
--- a/module/tree/view/browse.html.php
+++ b/module/tree/view/browse.html.php
@@ -135,6 +135,14 @@ $(function()
         name: 'tree-<?php echo $viewType ?>-edit',
         initialState: 'preserve',
         data: data,
+        sortable: {
+            lazy: true,
+            nested: true,
+            canMoveHere: function($ele, $target)
+            {
+                if($ele && $target && $ele.parent().closest('li').attr('data-id') !== $target.parent().closest('li').attr('data-id')) return false;
+            }
+        },
         itemCreator: function($li, item)
         {
             var link = item.id !== undefined ? ('<a href="' + createLink('tree', 'browse', 'rootID=<?php echo $rootID ?>&viewType=<?php echo $viewType ?>&moduleID={0}&branch={1}'.format(item.id, item.branch)) + '">' + item.name + '</a>') : ('<span class="tree-toggle">' + item.name + '</span>');