[ 
https://issues.apache.org/jira/browse/WICKET-5929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sven Meier updated WICKET-5929:
-------------------------------
    Description: 
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.

  was:
WebSocketRequestHandler currently implements AjaxRequestTarget.

We can introduce a new interface IPartialPageRequestHandler (or better named), 
that is implemented by AjaxRequestTarget and WebSocketRequestHandler:

{code:java}
/**
 * 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:java}

This way it becomes clearer that WebSocketRequestHandler doesn't have anything 
to do with Ajax.


> 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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