void updateItemStates();
+ /**
+ * It creates a item state list for every expanded directory and stores
+ * this list together with the directory url in the \a itemStates map.
+ *
+ * @itemStates A map of item state lists for every expanded directory
+ * and its items, where the "key" is the directory url and
+ * the "value" is a list of ItemStates for every item
+ * within this directory.
+ * @firstIndex The index to start the processing from, this is needed
+ * because this function is recursively called.
+ *
+ * @return The number of (recursive) processed items.
+ */
+ int createItemStatesList(QMap<QString, QVector<ItemState> >& itemStates,
+ const int firstIndex = 0);
+
/**
* Returns a matching plugin for the given directory.
* 0 is returned, if no matching plugin has been found.