I forgot to mentions this is with wicket 1.4.x.
Ernesto
On Thu, Dec 30, 2010 at 1:53 PM, Ernesto Reinaldo Barreiro
<reier...@gmail.com> wrote:
> Hi,
>
> Apologies for the somewhat lengthy e-mail.
>
> Consider the following situation
>
> 1-I have a form with a RadioGroup, several Radio buttons, an AJAX
> submit button and some AJAX links that fetch "information" that can be
> used to repaint the form and the RadioGroup.
>
> In simplified code more or less this.
>
> public class RadioPage extends WebPage {
>
> private static final long serialVersionUID = 1L;
>
> private WebMarkupContainer context;
>
> private Gender gender;
>
> private FeedbackPanel feedbackPanel;
>
> public RadioPage() {
> Form<Void> form = new Form<Void>("form");
> add(form);
> context = new WebMarkupContainer("context");
> context.setOutputMarkupId(true);
> form.add(context);
>
>
> RadioGroup<Gender> gender = new RadioGroup<Gender>("gender",
> new PropertyModel<Gender>(this,"gender"));
>
> gender.setRequired(true);
> context.add(gender);
> // hombre
> Radio<Gender> sexoH = new Radio<Gender>("male", new
> Model<Gender>(Gender.MALE), gender);
> gender.add(sexoH);
>
> Radio<Gender> sexoM = new Radio<Gender>("female", new
> Model<Gender>(Gender.FEMALE), gender);
> gender.add(sexoM);
>
> add(new AjaxLink<Void>("makeMale") {
>
> private static final long serialVersionUID = 1L;
>
> �...@override
> public void onClick(AjaxRequestTarget target) {
> RadioPage.this.gender = Gender.MALE;
> if(target != null) {
> target.addComponent(context);
> }
> }
> });
>
> add(new AjaxLink<Void>("makeFemale") {
>
> private static final long serialVersionUID = 1L;
>
> �...@override
> public void onClick(AjaxRequestTarget target) {
> RadioPage.this.gender = Gender.FEMALE;
> if(target != null) {
> target.addComponent(context);
> }
> }
> });
>
> form.add(new AjaxSubmitLink("submit") {
>
> private static final long serialVersionUID = 1L;
>
> �...@override
> protected void onSubmit(AjaxRequestTarget target,
> Form<?> form) {
> form.info("Gender was set to " +
> RadioPage.this.gender);
> target.addComponent(feedbackPanel);
> }
>
> �...@override
> protected void onError(AjaxRequestTarget target,
> Form<?> form) {
> target.addComponent(feedbackPanel);
> }
> });
>
> feedbackPanel = new FeedbackPanel("feedback");
> feedbackPanel.setOutputMarkupId(true);
> add(feedbackPanel);
> }
>
> public Gender getGender() {
> return gender;
> }
>
> public void setGender(Gender gender) {
> this.gender = gender;
> }
> }
>
> -----------------RadioPage.html--------------
>
> <html
> xmlns:wicket="http://wicket.apache.org/dtds.data/wicket-xhtml1.4-strict.dtd";>
> <head>
> <title>Test</title>
> </head>
> <body>
> <form wicket:id="form">
> <div wicket:id="context">
> <span wicket:id="gender">
> <input type="radio" wicket:id="male"/>
> <label for="radio3">Male</label>
> <input type="radio"
> wicket:id="female"/>
> <label for="radio4">Female</label>
> </span>
> </div>
> <input wicket:id="submit" type="submit" value="AJAX
> submit"/>
> </form>
> <span wicket:id="feedback"></span>
> <p>
> Updating RadioGroup via AJAX does not work:
> <a wicket:id="makeMale">Make male</a> and <a
> wicket:id="makeFemale">Make female</a>.
> </p>
> </body>
> </html>
>
> and
>
> public enum Gender {
> FEMALE,
> MALE;
> }
>
>
> 2-You click on the AJAX submit button without selecting any of the
> radio buttons. This seems to set the rawinput of RadioGroup to null.
> 3-You click now on one of the AJAX links (Make male or Make female in
> the example) in order to fetch the "information" and repaint the form
> via AJAX. But radios checked condition is not updated:-(
>
> This seems to be because of following code on Radio.onComponentTag():
>
> // compare the model objects of the group and self, if
> the same add the
> // checked attribute, first check if there was a raw input on
> the group.
> if (group.hasRawInput())
> {
> String rawInput = group.getRawInput();
> if (rawInput != null && rawInput.equals(value))
> {
> tag.put("checked", "checked");
> }
> }
>
> If I rewrite my gender RadioGroup as
>
> RadioGroup<Gender> gender = new RadioGroup<Gender>("gender",
> new PropertyModel<Gender>(this,"gender")) {
>
> private static final long serialVersionUID = 1L;
>
> �...@override
> public boolean isInputNullable() {
> return false;
> }
> };
>
> "everything" seems to be working fine. Am I missing some important
> point on how to use radio groups or is this a bug? Shall I file a
> jira issue for this?
>
> Thanks in advance,
>
> Ernesto
>
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