Hey Eric,
have you tried leaving the brackets "[" and "]" away in your interface
declaration? I'm not sure what they are there for, I have never used
them and my interface implementations work.
Best,
Michael
Eric Brachmann schrieb:
> Hello,
>
> working on a project with qooxdoo I recognized, that the preconditions I
> set in an interface were not evaluated correctly. It seems that my
> classes do not implement their interfaces at all, although the code
> looks fine and no error is thrown.
>
> An example to illustrate the issue:
>
> IMyInterface.js:
> qx.Interface.define("itest.IMyInterface",
> {
> members:
> {
> testMe: function() { return false; }
> }
> });
>
> MyClass.js
> qx.Class.define("itest.MyClass",
> {
> extend: qx.core.Object,
> implement: [itest.IMyInterface],
>
> members:
> {
> testMe: function() { alert("You should not see this!"); }
> }
> });
>
> Application.js (excerpt):
> ...
> var test = new itest.MyClass();
>
> alert("implements interface: "
> + qx.Class.implementsInterface(test, itest.IMyInterface)
> + ", has interface: "
> + qx.Class.hasInterface(test, itest.IMyInterface));
>
> test.testMe();
> ...
>
> The output is "implements interface: true, has interface: false" as if
> the implement statement in the class definition is being ignored.
> The testMe() method gets executed even though the precondition of the
> interface evaluates to false.
>
> A project of this simple example is avaiable here:
> http://www.hatter.de/studium/itest.zip
>
> It would be very kind if someone could enlighten me.
>
> Regards, eB.
>
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