private void fireDataSourceChanged(PreferenceChangeEvent event) {
        // Notify listeners
        synchronized (listeners) {
            for (SQLEditorListener listener : listeners) {
                try {
                    listener.onDataSourceChanged(event);
                } catch (Throwable ex) {
                    log.debug(ex);
                }
            }
        }
    }
Build and update icon and title
plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/SQLEditor.java