factory.setSelectedPath(linker.getSelectionContext().getMainNode().getPath());
factory.setSaveOpenPath(true);
loader = factory.getLoader();
List<ColumnConfig> columns = new LinkedList<ColumnConfig>();
ColumnConfig config = new ColumnConfig("displayName", "Name", 150);
config.setRenderer(new TreeGridCellRenderer());
config.setSortable(false);
columns.add(config);
checkboxMap = new HashMap<String, LayoutContainer>();
for (GWTJahiaLanguage language : languages) {
config = new PublicationCheckColumnConfig("publicationInfos", language.getDisplayName(), 100);