Hi Andreas, thank you for your answer. I find the mixup is not very handy. In data binding I've got qx.data.Arrays, a getSelection() returns a 'normal' array (which has of course not a getItem(x) method). But okay - now I know it :)
Have a nice weekend - Claus
Am Freitag, den 27.08.2010, 17:22 +0200 schrieb Andreas Ecker:
> Howdy!
>
> On Fri, 2010-08-27 at 16:03 +0200, Claus Straube wrote:
> > Hi all,
> >
> > if some problems with array handling inside qooxdoo. This is my code
> > (testet in playground):
> >
> > --snip--
> > var skeleton = {foo: "foo", bar: "bar", foobar: [{ x: "x1", y: "y1" },
> > { x: "x2", y: "y2" }]};
> > var model = qx.data.marshal.Json.createModel(skeleton, true);
> >
> > var foobar = model.getFoobar();
> >
> > this.debug("first item of foobar --> " + foobar.getItem(0));
> > this.debug("first item of foobar --> " + foobar[0]);
> > --snip--
> >
> > the debug out put is:
> > 602297 playground.Application[456]: Starte Anwendung 'Eigener Code
> > (geändert)' ...
> > 602302 playground.Application[456]: Anwendung gestartet.
> > 602309 demobrowser.demo.ui.MultiPageForm[761]: first item of foobar -->
> > qx.data.model.x"y[743]
> > 602313 demobrowser.demo.ui.MultiPageForm[761]: first item of foobar -->
> > undefined
> >
> > Why is foobar[0] undefined? It's an array, or not? So I should be able
> > to reach the value with "standard" array functionality. How can I get my
> > model working with [x]? Thanks in advance.
>
> No, in data binding it's not a native JS array, it's of type
> qx.data.Array. All native methods and even the "length" property are
> wrapped, but accessing items via brackets is not (and unfortunately
> cannot be) supported.
>
> TTYL,
>
> Andreas
>
>
>
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