Christian,
I was excited to see this bit of information so I tried out some tests to
see what I could do with messages and I am not able to pass data like your
sample shows. When I do the exact same thing as you have, the getData() is
null. Is there a typo in your code or what might I be doing wrong? Here is a
quick sample of what I tried:
qx.event.message.Bus.subscribe('transport-update',
function(message){
window.setTimeout(function(x){
alert(message.getData())
},0)
}
)
var req = new qx.io.remote.Request('test.txt');
req.addEventListener('completed', function(e){
s = e.getData().getContent();
qx.event.message.Bus.dispatch(new
qx.event.message.Message('transport-update'),
s);
});
req.send();
When the file is loaded it dispatches the 'transport-update' message and
when the alert fires in the message.Bus event, it says 'null' when it should
have the info stored in s. If I pass in true like you did, I get the same
results, null.
Any thoughts?
BTW- I really like the snappyness of your demo application that you posted.
This is what got me testing the message bus as I think it will allow me to
streamline some of my code to clear up bottlenecks. Your application has the
speed that I think mine should be at and seeing yours makes me know it can
be done.
Thanks,
Jim
On 6/15/07, Christian Boulanger <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> sending and subscribing to messages works similar to dispatching and
> listening for events. So if you have a button mybutton, you write
>
> qx.event.message.Bus.subscribe("activation-message",function(message){
> this.setEnabled(message.getData());
> }, mybutton);
>
> and within the field that should activate the button, you write, for
> example
>
> myfield.addEventListener("focus",function(){
> qx.event.message.Bus.dispatch(new
> qx.event.message.Message("activation-message", true))
> });
>
> I will write a tutorial on messagens soon.
>
> Christian
>
>
>
> johnl wrote:
> > How do I send a message to an object? I have a DateChooserButton I want
> > to activate when clicking on a field (for the convenience of a user).
> >
> > Thanks.
> >
> > David
> >
> >
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