Hi Andreas,
I understand not why but now it works.
Thanks.
Lutz
Fink, Andreas schrieb:
> I think you should set implement as array:
>
> qx.Class.define("scqx.ui.form.TextField",
> {
> extend : qx.ui.form.TextField,
> implement : [scqx.ui.form.DataComponentIf, ...] //define an array here
>
>
> Regards,
> Andreas
>
> -----Ursprüngliche Nachricht-----
> Von: Lutz Schoder [mailto:[email protected]]
> Gesendet: Montag, 4. Mai 2009 10:43
> An: qooxdoo Development
> Betreff: [qooxdoo-devel] Check an object for an implemented interface
>
> Hi All,
>
> I have a problem with checking an object for implementing an interface.
> I have a class which
> implements an interface:
>
> qx.Interface.define("scqx.ui.form.DataComponentIf",
> {
> ...
>
> qx.Class.define("scqx.ui.form.TextField",
> {
> extend : qx.ui.form.TextField,
> implement : scqx.ui.form.DataComponentIf,
> ...
>
> Following method should only register components which implement the
> interface:
>
> add : function(component) {
> if (qx.Class.implementsInterface(component,
> scqx.ui.form.DataComponentIf)) {
> this.__dataComponents[this.__dataComponents.length] =
> component;
> }
> arguments.callee.base.apply(this, arguments);
> },
>
> But the interface is not detected. I've also tried to get the
> implemented interfaces using
> qx.Class.getInterfaces() but I got an empty array as result.
>
> What's wrong?
>
> Thanks.
>
> Lutz
>
>
--
Mit freundlichen Grüßen / Best regards
Lutz Schoder
SoftConcept GmbH
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D-32257 Bünde
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www.softconcept.net
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