Sorry, I misunderstood your misunderstanding ;) Tucker was right: you can
only define construct on *classes* not instances.
A
On Nov 28, Jim Grandy wrote:
> I think I'm missing something, Adam. Can you explain in a little more detail?
> I've got this code:
>
> <node>
> <method name="construct" args="p,a">
> Debug.write("construct node");
> super.construct(p,a);
> </method>
> </node>
>
> and I'm noting that I don't see "construct node" output on the console.
> Whether I'm extending node or a subclass of node doesn't matter:
>
> <class name="cnode" extends="node"/>
> <cnode>
> <method name="construct" args="p,a">
> Debug.write("construct node");
> super.construct(p,a);
> </method>
> </cnode>
>
> No output here, either. What does node's built-in status have to do with
> things?
>
> jim
>
> On Nov 28, 2005, at 8:28 AM, Adam Wolff wrote:
>
> > node is a built-in, like view.
> > http://www.openlaszlo.org/lps-latest/docs/reference/node.html
> >
> > A
> >
> > On Nov 28, Jim Grandy wrote:
> >
> > > I'm not sure I'm following you. The first class name is "cnode". Before
> > > that
> > > is a <node> extended with two methods, not a class. There shouldn't be a
> > > naming conflict in this code.
> > >
> > > jim
> > >
> > > On Nov 28, 2005, at 8:17 AM, Adam Wolff wrote:
> > >
> > > > Nope I don't think so. node is reserved. cnode is a subsclass of LzNode.
> > > > it's that crazy node->LzNode mapping bit. I didn't test this, but expect
> > > > this would work as expected if you change the first class name to
> > > > something like "bnode".
> > > >
> > > > A
> > > >
> > > >
> > > > On Nov 23, P T Withington wrote:
> > > >
> > > > > Because `construct` is called from the class constructor, before the
> > > > > instance
> > > > > properties are evaluated. This is perhaps poorly explained as "before
> > > > > any
> > > > > arguments have been applied". In other words, when `construct` is
> > > > > called,
> > > > > your node instance has not yet been constructed enough to have your
> > > > > overriding
> > > > > construct method attached to it. You have found a small loophole in
> > > > > the
> > > > > instance/class parallelism.
> > > > >
> > > > > If you want to know when the class constructor is done, `onconstruct`,
> > > > > interestingly is sent " right at the end of the instantiation process"
> > > > > (not
> > > > > when the `construct` method is called.
> > > > >
> > > > > On 23 Nov 2005, at 16:18, Jim Grandy wrote:
> > > > >
> > > > > > Why don't I see "construct node" in the debugger output of the
> > > > > > following
> > > > > > LZX
> > > > > > program?
> > > > > >
> > > > > > <canvas debug="true">
> > > > > >
> > > > > > <node>
> > > > > > <method name="construct" args="p,a">
> > > > > > Debug.write("construct node");
> > > > > > super.construct(p,a);
> > > > > > </method>
> > > > > > <method name="init">
> > > > > > Debug.write("init node");
> > > > > > super.init();
> > > > > > </method>
> > > > > > </node>
> > > > > >
> > > > > > <class name="cnode" extends="node">
> > > > > > <method name="construct" args="p,a">
> > > > > > Debug.write("construct cnode");
> > > > > > super.construct(p,a);
> > > > > > </method>
> > > > > > <method name="init">
> > > > > > Debug.write("init cnode");
> > > > > > super.init();
> > > > > > </method>
> > > > > > </class>
> > > > > >
> > > > > > <cnode/>
> > > > > >
> > > > > > </canvas>
> > > > > >
> > > > > > Output:
> > > > > >
> > > > > > construct cnode
> > > > > > init node
> > > > > > init cnode
> > > > > >
> > > > > > _______________________________________________
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> > > > > > [email protected]
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> > > > >
> > > > > _______________________________________________
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> > > > >
> > >
>
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