From 48a94c6716f1b45a244859dd16f39e1381ab1375 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Fri, 6 Sep 2013 15:52:59 -0400
Subject: [PATCH] Force 'move' action for collection drag

---
 chrome/content/zotero/xpcom/libraryTreeView.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/chrome/content/zotero/xpcom/libraryTreeView.js b/chrome/content/zotero/xpcom/libraryTreeView.js
index a6cd76b35..0bb15fe16 100644
--- a/chrome/content/zotero/xpcom/libraryTreeView.js
+++ b/chrome/content/zotero/xpcom/libraryTreeView.js
@@ -83,7 +83,10 @@ Zotero.LibraryTreeView.prototype = {
 			return;
 		}
 		
-		if (event.dataTransfer.getData("zotero/item")) {
+		if (event.dataTransfer.getData("zotero/collection")) {
+			this._setDropEffect(event, "move");
+		}
+		else if (event.dataTransfer.getData("zotero/item")) {
 			var sourceItemGroup = Zotero.DragDrop.getDragSource();
 			if (sourceItemGroup) {
 				if (this.type == 'collection') {