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https://issues.apache.org/jira/browse/WICKET-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Igor Vaynberg resolved WICKET-3584.
-----------------------------------
Resolution: Invalid
Assignee: Igor Vaynberg
since the labe is initially rendered invisible one must call
setOuputMarkupPlaceHolderTag(true) instead of just setOutputMarkupId(true)
> Ajax re-render fails if a instantiation listener calls
> setOutputMarkupId(true) on every component.
> --------------------------------------------------------------------------------------------------
>
> Key: WICKET-3584
> URL: https://issues.apache.org/jira/browse/WICKET-3584
> Project: Wicket
> Issue Type: Bug
> Components: wicket-core
> Affects Versions: 1.4.17
> Environment: Windows Vista, JDK 1.6_22, Eclipse Helios, Maven 3.0.x
> Reporter: Ronald Tetsuo Miura
> Assignee: Igor Vaynberg
>
> If you setup a IComponentInstantiationListener that calls
> setOutputMarkupId(true) to every component, the tags with the enclosure
> attribute don't get re-rendered on ajax requests, because the generated IDs
> from the HTML placeholder and the Ajax response don't match.
> Code:
> public class App extends WebApplication {
> @Override
> protected void init() {
> addComponentInstantiationListener(new
> IComponentInstantiationListener() {
> public void onInstantiation(Component component) {
> component.setOutputMarkupId(true);
> }
> });
> }
> @Override
> public Class<? extends Page> getHomePage() {
> return HomePage.class;
> }
> }
> public class HomePage extends WebPage {
> public HomePage() {
> final Label label = new Label("label", "VISIBLE!");
> add(label.setVisible(false).setOutputMarkupId(true));
> add(new AjaxLink<Void>("link") {
> @Override
> public void onClick(AjaxRequestTarget target) {
> label.setVisible(!label.isVisible());
> target.addComponent(label);
> }
> });
> }
> }
> <html xmlns:wicket="http://wicket.apache.org";>
> <body>
> <a wicket:id="link">Clique!</a>
> <div wicket:enclosure="label">
> <hr/>
> <h1 wicket:id="label"></h1>
> <hr/>
> </div>
> </body>
> </html>
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