feedtree, check for _itemsByIdentity being filled in getNextUnreadFeed

diff --git a/FeedTree.js b/FeedTree.js
index 3200e59037e37ae67cf070da7641b25f5409d8ff..ca100254971431ed52238c2ed81970b15617ce9e 100644 (file)
--- a/FeedTree.js
+++ b/FeedTree.js
@@ -53,6 +53,9 @@ dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
                        return this.store.setValue(treeItem, key, value);
        },
        getNextUnreadFeed: function (feed, is_cat) {
+               if (!this.store._itemsByIdentity)
+                       return null;
+
                if (is_cat) {
                        treeItem = this.store._itemsByIdentity['CAT:' + feed];
                        items = this.store._arrayOfTopLevelItems;