}
public WorkflowClassesTreeForm createWorkflowClassesTreeForm(WorkflowSummaryFilterController filterController){
TreeView<DisplayWorkflowClassesModel> workflowView = new TreeView<DisplayWorkflowClassesModel>();
WorkflowClassesTreeController workflowClassesTreeController = createWorkflowClassesTreeController(workflowView);
return new WorkflowClassesTreeForm("",new EmptyShowFormStrategie(),workflowClassesTreeController,
filterController, workflowView,guiCopperDataProvider);
}