Hey,
thats because of the bidirectional binding you set up using the controller.
Take a look at this small example which demonstrates the same idea:
var model = qx.data.marshal.Json.createModel({a: [], b: []});
model.bind("a[0]", model, "b[0]");
model.bind("b[0]", model, "a[0]");
As the arrays does not have an mechanism to stop setting a value if it is
already set, the setting of a invokes a setting of a and the setting of b
invokes a setting of a. But this could be easily fixed by implementing such a
feature. I opened a bug report for that:
http://bugzilla.qooxdoo.org/show_bug.cgi?id=4106
Just add yourself as CC if you are interested in the progress of it. If you
need a workaround, just don't use the bidirectional binding and set up a
listener for one direction instead. In that listener, you can cancel the
setting if it is already set.
Regards,
Martin
Am 22.09.2010 um 10:44 schrieb fahri:
>
> Hi,
>
> sorry, i have pressed the wrong button... The question is, why is not work
> with the array?
>
> Thanks,
> Fahri
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