InjectingChoiceRenderer.java

package be.selckin.swu.model;

import org.apache.wicket.injection.Injector;
import org.apache.wicket.markup.html.form.IChoiceRenderer;
import org.apache.wicket.model.IModel;
import java.util.List;

public abstract class InjectingChoiceRenderer<T> implements IChoiceRenderer<T> {
    protected InjectingChoiceRenderer() {
        Injector.get().inject(this);
    }
    @Override
    public T getObject(String id, IModel<? extends List<? extends T>> choices) {
        List<? extends T> _choices = choices.getObject();
        for (int index = 0; index < _choices.size(); index++) {
            // Get next choice
            final T choice = _choices.get(index);
            if (getIdValue(choice, index).equals(id)) {
                return choice;
            }
        }
        return null;
    }
}