Stefan,
Thanks alot, that was the answer I was looking for!
Foolproof it is.
Cheers,
Patrice
2011/6/8 Stefan Volbers <[email protected]>
> Hi Patrice,
>
> you do not need to explicitly declare your application a Singleton.
>
> From within your classes, you can always reach the application class with
> qx.core.Init.getApplication()
> This does also work whereever the context ('this') is bound to any other
> object, so is 100% fool proof ;-)
>
> HTH
>
> Greetings
> Stefan
>
>
> On 08.06.2011 15:26, Patrice Oostermeyer wrote:
> > Ok I have the ugly part working.
> > But I don't quite get the better approach.
> > I'm trying to call reloadMap from Application.js, which is of
> > type qx.application.Standalone.
> > I marked it "singleton", which seems to be no problem.
> > The call to reloadMap works, BUT in it is a reference to 'this', and
> > that is where it fails.
> > Any suggestions?
> >
> > qx.Class.define("test.Application",
> > { extend : qx.application.Standalone,
> > type: "singleton",
> >
> > members :
> > {
> > some:"bla",
> > main : function() {...}
> > reloadMap : function(msg)
> > { this.some = "thensome";
> > // crash when called outside this app.
> > alert("ReloadMap says: " + msg + this.some);
> > }
> > }
> > }
> >
> > Regards,
> > Patrice
> >
> > 2011/6/1 Marc Puts <[email protected]
> > <mailto:[email protected]>>
> >
> > In the main() function of your application, you could set a global
> > variable that calls the reloadMap function.
> > Playground example:
> > http://tinyurl.com/3eth8of
> >
> > While the above works, it's pretty ugly.
> >
> > Another (and imo, better) approach would be to have the reloadMap()
> > function in a singleton class:
> >
> > qx.Class.define("test.SomeClass",
> > {
> > type: "singleton",
> > extend : qx.core.Object",
> >
> > members :
> > {
> > reloadMap : function(msg)
> > {
> > alert("ReloadMap says: " + msg);
> > }
> > }
> > }
> >
> > Then, from outside the application, you can write:
> > test.SomeClass.getInstance().reloadMap("Hello!");
> >
> >
> >
> > Regards,
> > Marc
> >
> >
> > On 06/01/2011 04:29 PM, ibanezje wrote:
> > > Probably asked more than once,
> > >
> > > but how do I call a function in my main Application from outside
> the
> > > application?
> > > something like:
> > >
> > > fails.
> > > reloadMap() is a function in the 'members' section of
> Application.js
> > >
> >
>
>
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