So in getObject that is only called in the renderphase in an ajax
request you throw an restart exception? We dont really support that
and i believe that igor had the same kind of thread a few days back.
Make a issue for this if you want.
On 3/24/08, Matthew Young <[EMAIL PROTECTED]> wrote:
> Here is my test code:
>
> public class HomePage extends WebPage {
>
> private static final long serialVersionUID = 1L;
>
> private String word;
>
> public HomePage(final PageParameters parameters) {
>
> add(new FeedbackPanel("feedback") {
> private static final long serialVersionUID = 1L;
> @Override protected void onBeforeRender() {
> System.out.println("= = = = FeedbackPanel
> onBeforeRender()");
> System.out.println(" FeedbackbackMessageModel = "
> + getFeedbackMessagesModel().getObject());
> super.onBeforeRender();
> }
> }.setOutputMarkupPlaceholderTag(true));
> // if the word "blowup" is entered,
> //this register a error message and throw new
> AbstractRestartResponseException()
> IModel model = new Model() {
> private static final long serialVersionUID = 1L;
> @Override public Object getObject() {
> if (word != null && word.equals("blowup")) {
> word = "-w-e-b-l-e-w-u-p-";
> HomePage.this.fatal("[2/2]This message is from
> Model."); // why this is NOT render in Ajax?
> getPage().detach();
> System.out.println("! ! ! ! ! throwing new
> AbstractRestartResponseException()");
> throw new AbstractRestartResponseException() {
> private static final long serialVersionUID = 1L;
> };
> } else {
> return "The word is: \"" + (word == null ? " n u l l " :
> word) + "\"";
> }
> }
> };
> add(new Label("message", model) {
> private static final long serialVersionUID = 1L;
> @Override protected void onBeforeRender() {
> System.out.println("= = = = Label onBeforeRender(), model =
> " + getModel().getObject());
> super.onBeforeRender();
> }
> }.setOutputMarkupId(true));
> Form form = new Form("form", new CompoundPropertyModel(this));
> add(form);
> form.add(new TextField("word").setRequired(true));
> AjaxFallbackButton submitButton = new
> AjaxFallbackButton("submitButton", form) {
> private static final long serialVersionUID = 1L;
> @Override protected void onSubmit(AjaxRequestTarget target, Form
> f) {
> if (word != null && word.equals("blowup")) {
> HomePage.this.error("[1/2]This message is from onSubmit.
> There should also be a message from model");
> }
> if (target != null) {
> target.addComponent(HomePage.this.get("feedback"));
> // clear error feedback if any
> target.addComponent(HomePage.this.get("message"));
> }
> }
>
> @Override protected void onError(AjaxRequestTarget target, Form
> f) {
> target.addComponent(HomePage.this.get("feedback"));
> // show updated error feedback
> }
> };
> form.add(submitButton);
> }
> }
>
> Things work perfectly in non-Ajax. But in Ajax, after 'throw new
> AbstractRestartResponseException()' in model, the Ajax response to the
> browser is wrong in two places. 1) the feedback component don't have the
> second message register in the model, only the message from onSubmit(target)
> show. 2) the Ajax response is missing the second half: no Label component
> and the </ajax-response> end tag.
>
> ===== This is the normal Ajax response copy from the debug panel:
>
> INFO: Received ajax response (257 characters)
> INFO:
> <?xml version="1.0" encoding="UTF-8"?><ajax-response><component
> id="feedback4" ><![CDATA[<span id="feedback4">
>
> </span>]]></component><component id="message1" ><![CDATA[<span
> id="message1">The word is: "bla"</span>]]></component></ajax-response>
> INFO: Response parsed. Now invoking steps...
> INFO: Response processed successfully.
>
> ===== This is the Ajax response after 'throw new
> AbstractRestartResponseException()':
>
> INFO: Received ajax response (339 characters)
> INFO:
> <?xml version="1.0" encoding="UTF-8"?><ajax-response><component
> id="feedback4" encoding="wicket1" ><![CDATA[<span id="feedback4">
> <ul>
> <li class="feedbackPanelERROR">
> <span class="feedbackPanelERROR">[1/2]^This message is from onSubmit.
> There should also be a message from model</span>
> </li>
> </ul>
> </span>]]></component>
> ERROR: Error while parsing response: Could not find root <ajax-response>
> element
> INFO: Invoking post-call handler(s)...
> INFO: Invoking failure handler(s)...
>
> From tracing the wicket code, I just don't see how this can be. I see
> AjaxResponseTarget#response() is called again, and
> response.write("</ajax-response>");
> is called on line 539. But in the end the Ajax response is wrong.
>
> What is wrong? Is this a bug?
>
>
> Here is the WicketApplication for the non-Ajax case:
>
> public class WicketApplication extends WebApplication
> {
> public WicketApplication() {
> }
>
> public Class<? extends WebPage> getHomePage() {
> return HomePage.class;
> }
>
>
> @Override public RequestCycle newRequestCycle(Request request, Response
> response) {
> return new WebRequestCycle(this, (WebRequest) request, (WebResponse)
> response) {
> @Override public Page onRuntimeException(Page page,
> RuntimeException e) {
> // page can be null
> if (page == null) {
> return super.onRuntimeException(page, e);
> }
> return page;
> }
> };
> }
>
> }
>
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