From f994352ab9e2ba9d3103e3eb3bd38a317f194612 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Tue, 6 Feb 2007 09:44:20 +0000
Subject: [PATCH] Addresses #532, Highlight collections containing item(s) when
 pressing alt/option

- Don't trigger other keyboard shortcuts twice
- Fix SQL error if item appears in no collections
---
 chrome/content/zotero/overlay.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/chrome/content/zotero/overlay.js b/chrome/content/zotero/overlay.js
index 4e6236ac5..315fdc1c4 100644
--- a/chrome/content/zotero/overlay.js
+++ b/chrome/content/zotero/overlay.js
@@ -244,6 +244,8 @@ var ZoteroPane = new function()
 				}
 				ZoteroPane.collectionsView.setHighlightedRows();
 			}
+			
+			return;
 		}
 		
 		// Ignore keystrokes if Zotero pane is closed
@@ -322,7 +324,7 @@ var ZoteroPane = new function()
 	 */
 	function setHighlightedRowsCallback() {
 		var itemIDs = ZoteroPane.getSelectedItems(true);
-		if (itemIDs) {
+		if (itemIDs && itemIDs.length) {
 			var collectionIDs = Zotero.Collections.getCollectionsContainingItems(itemIDs, true);
 			if (collectionIDs) {
 				ZoteroPane.collectionsView.setHighlightedRows(collectionIDs);