From e75b9ea168c7ac18ec541c1d1362ab5474314a45 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Mon, 17 Sep 2018 18:09:26 +0200
Subject: [PATCH] Prevent shared folders from being dropped to the trash

---
 www/drive/inner.js | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/www/drive/inner.js b/www/drive/inner.js
index e9271f7c3..2acae0f3e 100644
--- a/www/drive/inner.js
+++ b/www/drive/inner.js
@@ -1298,6 +1298,7 @@ define([
             if (!oldPaths) { return; }
             // A moved element should be removed from its previous location
             var movedPaths = [];
+
             var sharedF = false;
             oldPaths.forEach(function (p) {
                 movedPaths.push(p.path);
@@ -1309,9 +1310,25 @@ define([
             var newPath = findDropPath(ev.target);
             if (!newPath) { return; }
             if (sharedF && manager.isPathIn(newPath, [TRASH])) {
-                deletePaths(null, movedPaths);
-                return;
+                return void deletePaths(null, movedPaths);
             }
+
+            if (manager.isPathIn(newPath, [TRASH])) {
+                // Filter the selection to remove shared folders.
+                // Shared folders can't be moved to the trash!
+                var filteredPaths = movedPaths.filter(function (p) {
+                    var el = manager.find(p);
+                    return !manager.isSharedFolder(el);
+                });
+
+                if (!filteredPaths.length) {
+                    // We only have shared folder, delete them
+                    return void deletePaths(null, movedPaths);
+                }
+
+                movedPaths = filteredPaths;
+            }
+
             if (movedPaths && movedPaths.length) {
                 moveElements(movedPaths, newPath, null, refresh);
             }