Hi,
I decided to go with pushlets, mainly because Cometd requires Servlet
API 2.5, thus Jetty 6.x which is not available as an OSGi bundle yet.
However, as it works now, I am opening a new topic for every web
client in order to be able to provide personalized content to it,
something like
function join() {
token = document.getElementById('token').value;
p_join_listen('/gmarkers/' + token);
}
putting the token into the page with e.g. UserId, and then
// Data Event Callback
function onData(event) {
id = event.get('id');
lat = event.get('latitude');
longi = event.get('longitude');
point = new GLatLng(lat, longi);
type = event.get('type');
img = event.get('img');
if ( getMarkerById(id) == null) {
createMarker(point, type, id, img);
}
else {
var marker = getMarkerById(id);
marker.setPoint(point);
}
}
to update just this users buddies in the GMap.
Then, on the server I am creating Events targeted for this channel and
dispatching them. Seems lik e Cometd is using much the same semantics.
I think this should be supported in a Wicket way, but I think this use
case would be nice to do from within Wicket.
WDYT?
/peter
On 3/6/07, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> class NewChatMsgEvent implements ComentEvent {
> ...
> }
>
> final WebMarkupContainer chatwindow=new
> WebMarkupContainer("chatwindow");
> chatwindow.add(new CometBehavior(NewChatMsgEvent.class) {
> protected void onEvent(CometEvent e, ComentTarget t) {
> t.addComponent(chatwindow);
> }
> }
>
> form.add(new SendChatButton() {
> public void onsubmit() {
>
> getApplication().getCometBroadcaster().publish(new
> NewChatMsgEvent());
> }
> }
>
> something like that should do quiet nicely i think
>
> the broadcaster then has to find all active pages that have a behavior that
> subscribed to this event and trigger them.
>
> -igor
>
>
>
> On 3/6/07, Johan Compagner <[EMAIL PROTECTED]> wrote:
> > i am planning to build an abstraction for cometd support (jetty and tomcat
> now)
> > inside wicket. So that it really works like a ajax behavior that has a
> constant open connection
> > where that you can get and then write the components you need.
> > I first need to build that we can release and get the page again (set the
> pagemap barrier and release it when in idle mode)
> >
> >
> > If somebody has nice idea's/api for this please speak!
> >
> > johan
> >
> >
> >
> > On 3/6/07, Peter Neubauer < [EMAIL PROTECTED]> wrote:
> >
> > > Hi there,
> > > I am trying to push out events that contain the moving locations of a
> > > users buddies, so I can update the GMap on the page using plain JS and
> > > the GMarkerManager.
> > >
> > > Right now I am using Pushlet for this, but that has the disadvantage
> > > that it is not integrated into Wicket, and it uses a generic broadcast
> > > mechanism, much like JMS subscribing to topics from JS.
> > >
> > > Is there any way to get this functionality working using Wicket, e.g.
> > > the GMap not being reloaded, just moving the markers on a pull/push
> > > interval?
> > >
> > > Thanks for any hints!
> > >
> > > /peter
> > >
> > >
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