如何在 Wicket Select2 组件中实现 Single Choice select

How to implement Single Choice select in Wicket Select2 compoment

我有 wicket select2 组件。我需要实施 ChoiceProvider,但我不知道如何实施。有人知道如何正确地做吗?感谢您的帮助。

我用

Select2Choice select2Choice = new Select2Choice("select2");

请咨询 Wicketstuff Select2 examples

一个可能的实现可能是:

public class TagProvider extends StringTextChoiceProvider
{
    private static final long serialVersionUID = 1L;

    @Override
    public void query(String term, int page, Response<String> response)
    {
        List<Country> matches = queryMatches(term, page, PAGE_SIZE);
        for (Country match : matches)
        {
            response.add(match.getDisplayName());
        }
        response.setHasMore(response.size() == PAGE_SIZE);
    }
}

然后使用它:

Select2Choice<String> tags = new Select2Choice<>("tagsSelect",
            new PropertyModel<>(this, "tags"), new TagProvider());