Refresh table filters when the model is updated. Should resolve Bug #2579.

apps/opencs/model/world/idtableproxymodel.cpp

@@ -53,3 +53,9 @@ bool CSMWorld::IdTableProxyModel::lessThan(const QModelIndex &left, const QModel
 {
     return QSortFilterProxyModel::lessThan(left, right);
 }
+
+void CSMWorld::IdTableProxyModel::refreshFilter()
+{
+    updateColumnMap();
+    invalidateFilter();
+}

apps/opencs/model/world/idtableproxymodel.hpp

@@ -34,6 +34,8 @@ namespace CSMWorld
 
             void setFilter (const boost::shared_ptr<CSMFilter::Node>& filter);
 
+            void refreshFilter();
+
         protected:
 
             bool lessThan(const QModelIndex &left, const QModelIndex &right) const;

apps/opencs/view/world/table.cpp

@@ -649,6 +649,10 @@ void CSVWorld::Table::tableSizeUpdate()
     }
 
     emit tableSizeChanged (size, deleted, modified);
+
+    // not really related to tableSizeUpdate() but placed here for convenience rather than
+    // creating a bunch of extra connections & slot
+    mProxyModel->refreshFilter();
 }
 
 void CSVWorld::Table::selectionSizeUpdate()