From a38322ef546a7bfcb0ac93c2262b4db49e233a6e Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Mon, 14 Sep 2009 02:15:20 +0000
Subject: [PATCH] Fix error dragging standalone attachment to group with
 filesEditable off

---
 chrome/content/zotero/xpcom/collectionTreeView.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/chrome/content/zotero/xpcom/collectionTreeView.js b/chrome/content/zotero/xpcom/collectionTreeView.js
index fdb804144..0c436c11d 100644
--- a/chrome/content/zotero/xpcom/collectionTreeView.js
+++ b/chrome/content/zotero/xpcom/collectionTreeView.js
@@ -1057,6 +1057,9 @@ Zotero.CollectionTreeView.prototype.canDrop = function(row, orient, dragData)
 					if (item.attachmentLinkMode == Zotero.Attachments.LINK_MODE_LINKED_FILE) {
 						return false;
 					}
+					if (!itemGroup.filesEditable) {
+						return false;
+					}
 					skip = false;
 					continue;
 				}