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https://issues.apache.org/jira/browse/WICKET-5929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595022#comment-14595022
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Sven Meier commented on WICKET-5929:
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As a benefit WebSocketRequestHandler will get rid of #addListener() and
#registerRespondListener() which have empty implementations currently.
Although this is a small API break from previous milestones, I think we can
still change this for Wicket 7.
WDYT?
> Introduce IPartialPageRequestHandler
> ------------------------------------
>
> Key: WICKET-5929
> URL: https://issues.apache.org/jira/browse/WICKET-5929
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 7.0.0-M5
> Reporter: Sven Meier
> Assignee: Sven Meier
> Priority: Minor
>
> WebSocketRequestHandler currently implements AjaxRequestTarget.
> We can introduce a new interface IPartialPageRequestHandler (or better
> named), that is implemented by AjaxRequestTarget and WebSocketRequestHandler:
> {code}
> /**
> * Request handler that allows partial updates of the current page instance.
> */
> public interface IPartialPageRequestHandler extends IPageRequestHandler
> {
> void add(final Component component, final String markupId);
> void add(Component... components);
> void addChildren(MarkupContainer parent, Class<?> childCriteria);
> void appendJavaScript(CharSequence javascript);
> void prependJavaScript(CharSequence javascript);
> void focusComponent(Component component);
> String getLastFocusedElementId();
> Collection<? extends Component> getComponents();
> IHeaderResponse getHeaderResponse();
> }
> {code}
> This way it becomes clearer that WebSocketRequestHandler doesn't have
> anything to do with Ajax.
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