I did used a nasty way by using AjaxLazyLoadPanel and providing my custom
loading as both - lazy load component (with code in renderHead) and loading
component (empty renderHead) . Not the most elegant way but from user point
of view its ideal :)
Zbynek
On Thu, May 31, 2018, 16:25 Martin Grigorov <mgrigo...@apache.org> wrote:
> On Wed, May 30, 2018 at 6:00 PM, Zbynek Vavros <zbynekvav...@gmail.com>
> wrote:
>
> > Hey,
> >
> > this is weird, I can see the Ajax loading during renderHead() processing
> > and then switch to my loading.
> >
> > Maybe I could describe what I'm doing in more details (with
> > AjaxLazyLoadPanel being used):
> > Loader from AjaxLazyLoadPanel is displayed.
> > Remote REST is being called, response from REST is passed to JS function
> -
> > at this moment my panel is rendered.
> > JS then calls remote service via websocket, receives response, passed
> that
> > response to Wicket JS callback function.
> > This calls yet another REST endpoint and saves result into DB.
> >
> > After that I replace my loading with success message.
> >
> > I would like to "ideally" have all this covered by single loading panel.
> >
>
> You will need to create a custom Panel to do all this.
> I guess you can still use AjaxLazyLoadPanel if you use Java WebSocket
> client, but this is something you have to decide.
>
>
> >
> > Zbynek
> >
> >
> > On Wed, May 30, 2018 at 3:32 PM, Martin Grigorov <mgrigo...@apache.org>
> > wrote:
> >
> > > Hi,
> > >
> > > Do you use AjaxLazyLoadPanel for the loading image + result panel ?
> > > You can move your #renderHead() logic to the result panel's
> renderHead().
> > >
> > > On Wed, May 30, 2018 at 3:05 PM, Zbynek Vavros <zbynekvav...@gmail.com
> >
> > > wrote:
> > >
> > > > Hi,
> > > >
> > > > I got a wizard and one of its steps display loading image while
> > > > processing long running task. After this task JavaScript is being
> > called.
> > > >
> > > > I've put the code into render renderHead() method of the step itself:
> > > >
> > > > @Override
> > > > public void renderHead(IHeaderResponse response) {
> > > > // process task
> > > > String taskResult = ...
> > > > // call JavaScript with result
> > > > response.render(OnDomReadyHeaderItem.forScript("jsFunction(" +
> > > > taskResult + ")"));
> > > > }
> > > >
> > > > When I click the NEXT button, this long running task is executed
> before
> > > > the step with loading image is rendered.
> > > > I guess I need to move the code somewhere else than renderHead() but
> > > where?
> > > >
> > > > Thanks,
> > > > Zbynek
> > > >
> > >
> >
>
