下面是一个示例代码,展示了如何在Apache Wicket 6.29.x中使用AjaxFormChoiceComponentUpdatingBehavior为ListView的RadioGroup添加更新行为:
import java.util.Arrays;
import java.util.List;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.Radio;
import org.apache.wicket.markup.html.form.RadioGroup;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.protocol.http.WebSession;
import org.apache.wicket.protocol.http.request.WebClientInfo;
import org.apache.wicket.protocol.http.servlet.ServletWebRequest;
import org.apache.wicket.request.Request;
import org.apache.wicket.request.Response;
import org.apache.wicket.request.http.WebRequest;
import org.apache.wicket.request.http.WebResponse;
import org.apache.wicket.util.tester.WicketTester;
public class RadioGroupListViewExample {
public static void main(String[] args) {
WicketTester tester = new WicketTester(new WebApplication() {
@Override
public Class extends WebSession> getSessionClass() {
return WebSession.class;
}
@Override
public Class extends Page> getHomePage() {
return null;
}
@Override
public Session newSession(Request request, Response response) {
return new WebSession(request) {
@Override
public ClientInfo getClientInfo() {
return new WebClientInfo(getRequest());
}
};
}
@Override
protected void init() {
super.init();
getMarkupSettings().setStripWicketTags(true);
getRequestCycleSettings().setResponseRequestEncoding("UTF-8");
getMarkupSettings().setDefaultMarkupEncoding("UTF-8");
getApplicationSettings().setAccessDeniedPage(null);
getDebugSettings().setAjaxDebugModeEnabled(false);
}
});
tester.startPage(RadioGroupListViewPage.class);
tester.assertRenderedPage(RadioGroupListViewPage.class);
}
}
class RadioGroupListViewPage extends WebPage {
private static final long serialVersionUID = 1L;
public RadioGroupListViewPage() {
List options = Arrays.asList("Option 1", "Option 2", "Option 3");
Form form = new Form("form");
add(form);
WebMarkupContainer container = new WebMarkupContainer("container");
container.setOutputMarkupId(true);
form.add(container);
RadioGroup radioGroup = new RadioGroup("radioGroup", new Model());
container.add(radioGroup);
ListView listView = new ListView("listView", options) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem item) {
Radio radio = new Radio("radio", item.getModel());
item.add(radio);
item.add(new AjaxFormChoiceComponentUpdatingBehavior() {
private static final long serialVersionUID = 1L;
@Override
protected void onUpdate(AjaxRequestTarget target) {
// 处理更新事件
}
});
}
};
radioGroup.add(listView);
}
}
在这个示例中,我们创建了一个包含RadioGroup和ListView的页面。每个ListView项都有一个Radio和一个AjaxFormChoiceComponentUpdatingBehavior,当用户选择一个选项时,更新事件会被触发。您可以根据自己的需求在onUpdate方法中处理更新事件。注意,这只是一个基本示例,您可能需要根据自己的具体情况进行调整和修改。