code: public Object initModelIF(EventModel em, ModelForm form, HttpServletRequest request) throws Exception {
  		return initModel(request);
  	}
docs: Presentation layer need a ModelForm instance that include some initially
  data, these data must obtain from service. this method implements these
  functions by deleagating service.
  
  this mehtod is only availabe in pushing create view page in pushing
  editable view page, the model is obtained by it's key, not from this
  method;
  
  @param request
  @return Model instance
  @throws Exception
  @see CreateViewPageUtil