create callback interfaces for the operations you want to perform on a component
implement them on a component
in renderhead() write out a _javascript_ function that uses urlfor(interface) and calls it using wicketajaxget
function foo(param1, param2) {
var url=""> url+="¶m1="+param1+"¶m2="+param2;
wicektAjaxGet(url); <== or use the prototype ajax engine or whatever
}
then in your onevent handler you can get the params by doing Request.getParameter("param1");
what exactly is the big deal?
-Igor
On 7/11/06,
Martijn Dashorst <[EMAIL PROTECTED]> wrote:
Because it is built using Wicket already? Why not convert the whole
app to GWT? :-)
I think this can be a good addition to Wicket, to be able to call into
a page using Ajax from within some client side _javascript_. There is no
need to do that in gwt, we're quite happy to write our own _javascript_
and wire it up in some way to our Wicket page.
The point of discussion being the 'some way'.
Martijn
On 7/11/06, Igor Vaynberg < [EMAIL PROTECTED]> wrote:
> why not write this whole part as a gwt widget and connect it to wicket?
>
> -Igor
>
>
>
> On 7/11/06, Martijn Dashorst < [EMAIL PROTECTED]> wrote:
> > In our case, not for specific libraries. We do use behavior.js,
> > prototype.js, scriptaculous.js, and dojo for effects and attaching
> > _javascript_ behavior to specific components.
> >
> > In the case of Maurice, the problem is that we have key handlers that
> > capture cursor key presses, and move the focus from one field to the
> > next, in order to create an excel like feel. When a field recieves
> > focus, we want to retrieve some data for display in a tooltip like
> > popup, but only after half a second or so. Otherwise the server will
> > be flooded with requests coming in.
> >
> > Note that the number of fields is in the order of 30 * 6 * 4 = 720 or
> > so fields on one page. Add _javascript_ to each input field, and you
> > have an explosion of markup to download. 800kb is not unusual. Even on
> > high bandwidth connections 800kb takes a hit to download.
> >
> > Switching the visibility of elements in the client is also something
> > that can be done using Wicket Ajax, but is (much) more efficient when
> > done on the client. The same goes for copying values from one form
> > component to another, or setting context aware default values: for
> > instance when you say that someone is in born in the Netherlands, you
> > can be almost certain that he also has the dutch nationality.
> > Selecting the value in the dropdown box can be done on the server, but
> > takes another serverside hit, whereas the same functionality can be
> > achieved using client side _javascript_, where you don't have to go to
> > the server.
> >
> > Martijn
> >
> > On 7/11/06, Frank Bille Jensen < [EMAIL PROTECTED]> wrote:
> > > On Tue, 2006-07-11 at 15:14 +0200, Martijn Dashorst wrote:
> > > > Not everything is a Wicket component. I
> > > > have such a usecase, but I am reluctant to publish it, as it is
> > > > security related. No reason to spill the beans about that.
> > >
> > > I'm not asking you to do anything like that :) My imagination is just
> > > sometimes quite slow so I'm asking for some help there.
> > >
> > > But I agree there are usecases where it would be nice to have easier
> > > access to an ajax request function.
> > >
> > > I haven't been in a situation where I needed to place logic on the
> > > client side. I like having it on the server side.
> > >
> > > Is it typically when you use third party _javascript_ libraries?
> > >
> > > Frank
> > >
> > >
> > >
> > >
> -------------------------------------------------------------------------
> > > Using Tomcat but need to do more? Need to support web services,
> security?
> > > Get stuff done quickly with pre-integrated technology to make your job
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> > > Download IBM WebSphere Application Server v.1.0.1 based on Apache
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> > >
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> > > Wicket-develop@lists.sourceforge.net
> > >
> https://lists.sourceforge.net/lists/listinfo/wicket-develop
> > >
> >
> >
> > --
> > Download Wicket 1.2 now! Write Ajax applications without touching
> _javascript_!
> > -- http://wicketframework.org
> >
> >
> >
> -------------------------------------------------------------------------
> > Using Tomcat but need to do more? Need to support web services, security?
> > Get stuff done quickly with pre-integrated technology to make your job
> easier
> > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> >
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> > _______________________________________________
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> >
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> >
>
>
>
> -------------------------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job
> easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
>
>
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>
>
>
--
Download Wicket 1.2 now! Write Ajax applications without touching _javascript_!
-- http://wicketframework.org
-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
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