java - 为什么行为停止在 autocompleteField 内使用 propertyModel

Question

在我的应用程序中，我有 autocompleteTextField。当输入中的文本更改时，我需要获取玩家的 ID。我正在尝试使用此问题推荐的模型:using AutoCompleteTextField in wicket without String as the generic type但没有成功。当我使用 PropertyModel 或设置类 Player.class 而不是 null 时，行为停止工作。我不明白为什么。

final AutoCompleteTextField<Player> playersField = new AutoCompleteTextField<Player>("players",
    new Model<Player>(selectedPlayer), null, new AbstractAutoCompleteRenderer<Player>() {

            @Override
            protected void renderChoice(Player player, Response response, String criteria) {
                response.write(getTextValue(player));
            }

            @Override
            protected String getTextValue(Player player) {
                return player.getName() + " " + player.getSurname() + " "
                        + player.getPlayerDiscriminator();
            }
        }
    , settings) {

    @Override
    protected Iterator<Player> getChoices(String prefix) {
        List<Player> choices = getPlayers();
        return choices.iterator();
    }   
};
add(playersField);
playersField.add(new AjaxFormComponentUpdatingBehavior("onchange") {

    @Override
    protected void onUpdate(AjaxRequestTarget target) {
        System.out.println("do something");
        // All I need here is just Id of player
        }

    }
});

Answer 1

根据您链接到的问题:

You probably already know this but if your custom class is really custom, you'll also need an IConverter that handles the String<->Someclass conversions: you can either register it with the application or override your component's getConverter(Class clazz ) method to return it.

你做到了吗？

此外，如果这不能解决问题，请更详细地描述它如何“停止工作”。