Take a look at IndicatingAjaxButton in the extensions-project and adapt it
for your form.
If you don't mind taking the default indicator, you can use
WicketAjaxIndicatorAppender just like in the mentioned class
Martin Makundi wrote:
>
> Hi!
>
> Can anyone help? I am having difficulties showing a bysy indicator
> besides the submit button, while the form is being submitted and
> processed. I have only found pieces of varying examples and I have
> tried to put them work together, but it just does not seem want to
> show the indicator. Here is my code:
>
> public class Login extends WebPage {
> // ... default constructor contents:
> final Form loginForm = new Form(LOGIN_FORM, new Model());
> final AjaxIndicatorContainer indicatorContainer = new
> AjaxIndicatorContainer();
> indicatorContainer.setOutputMarkupId(true);
> loginForm.add(indicatorContainer);
> final SubmitLink loginButton = new SubmitLink(LOGIN_BUTTON, new
> Model()) {
> /**
> * @see org.apache.wicket.markup.html.form.SubmitLink#onSubmit()
> */
> @Override
> public void onSubmit() {
> super.onSubmit();
> Thread.sleep(5000); // Simulate form processing
> }
> };
> abstract class AjaxFormSubmitIndicator extends
> AjaxFormSubmitBehavior implements IAjaxIndicatorAware {
> /**
> * Constructor for TODO
> *
> */
> public AjaxFormSubmitIndicator() {
> super("onchange"); // I have tried "onchange" and "onclick"
> }
> }
> loginButton.add(new AjaxFormSubmitIndicator() {
> @Override
> protected void onError(AjaxRequestTarget arg0) {
> // TODO Auto-generated method stub
> }
>
> @Override
> protected void onSubmit(AjaxRequestTarget arg0) {
> loginButton.onSubmit();
> }
>
> public String getAjaxIndicatorMarkupId() {
> return indicatorContainer.getMarkupId();
> }
> });
> loginForm.add(loginButton);
>
> // ... etc..
>
> add(new FeedbackPanel("feedback"));
> add(loginForm);
> }
>
>
>
>
> public class AjaxIndicatorContainer extends WebMarkupContainer {
> /**
> *
> */
> private static final long serialVersionUID = 5573778050703849297L;
> /**
> *
> */
> public static final String INDICATOR_MARKUP_ID = "ajaxIndicator";
>
> /**
> * Constructor for TODO
> */
> public AjaxIndicatorContainer() {
> super(INDICATOR_MARKUP_ID);
> }
>
> /**
> * @see
> org.apache.wicket.Component#onComponentTag(org.apache.wicket.markup.ComponentTag)
> */
> @Override
> protected void onComponentTag(ComponentTag tag) {
> super.onComponentTag(tag);
> tag.put("src",urlFor(AbstractDefaultAjaxBehavior.INDICATOR));
> }
>
>
>
>
> <body>
> <wicket:extend>
> <h1>Login</h1>
> Feedback messages will be here.
> <form wicket:id="loginForm">
> <table border="0" cellspacing="0" cellpadding="2" align="center">
> <tr><td NOWRAP width="80" align="right">
> Username:
> </td>
> <td><input type="text" wicket:id="userId"></td></tr>
> <tr><td NOWRAP align="right">
> Password: </td><td><input type="password" wicket:id="password"></td></tr>
> <tr><td align="right"> # </td><td NOWRAP>
> <input type="submit" value="Sign in" wicket:id="loginButton">
> </td></tr>
> </table>
> </form>
> </wicket:extend>
> </body>
>
>
> **
> Martin
>
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>
>
>
-----
Michael Sparer
http://talk-on-tech.blogspot.com
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