Spring/MVC Thymeleaf th:selected not working

Question

I am building an application using Spring, Hibernate and of course Thymeleaf for the views. The application is centered around an Activity domain class (which is literally an i

Answer 1

I know its a bit late,. but anyone searching for the solution...

To use the *{fieldname} select option you should use the th:value with 2 curly brackets

You need to add a formatter:

public class RoadmapFormatter implements Formatter {
    @Override
    public Roadmap parse(String id, Locale locale) throws ParseException {
        Roadmap r = new Roadmap();
        r.setId(Long.parseLong(id));
        return r;
    }

    @Override
    public String print(Roadmap r, Locale locale) {
        return String.valueOf(r.getId());
    }
}

Last but not least register the formatter in the configuration class:

@Configuration
public class Configuration implements WebMvcConfigurer {

    @Override
    public void addFormatters(FormatterRegistry formatterRegistry) {
        formatterRegistry.addFormatter(new RoadmapFormatter());
    }
}