[Laszlo-dev] still confused about referencing node id's from methods

[Henry Minsky]

In LzDefs.lzs there is this declaration
/**
 * Define global
 * TODO [2006-03-12 ptw] if the LFC is shared this needs to be multiplexed
 */
var global = $modules.user;



On Tue, Apr 1, 2008 at 1:36 PM, P T Withington <ptw at openlaszlo.org> wrote:

> That's a huge change from JS1.  There must be some way to do this.
>
> Supposedly there is an 'unnamed package' whose top-level definitions are
> accessible to the entire program.  So we just have to figure out how we put
> our global definitions there.  I'm not creating any `global` object, just
> setting properties on it, so I was assuming that `global` was an alias for
> this unnamed package.
>
> I would think you would get an error trying to install the global property
> if that were not true.
>
> Maybe I don't understand about creating globals dynamically.
>
>
> On 2008-04-01, at 13:26 EDT, Henry Minsky wrote:
>
> > But we have to explicitly do a "with (...) " of that object to get the
> > vars
> > in scope. I think only other way to get globals is to have it in its own
> > .as
> > file at compile time like we do with various globals like the compiler
> > flags
> > ($swf9, etc)
> > package {
> > public var foo = 259;
> > }
> >
> >
> >
> >
> > On Tue, Apr 1, 2008 at 1:03 PM, P T Withington <ptw at openlaszlo.org>
> > wrote:
> >
> >  I don't understand.  Isn't global supposed to be the outermost scope
> > > and
> > > where free refs will be looked up?
> > >
> > >
> > > On 2008-04-01, at 11:25 EDT, Henry Minsky wrote:
> > >
> > >  This code
> > > > <view id="v1"  width="100" height="20" bgcolor="red"/>
> > > > <view id="v2"  width="100" height="20" y="100" x="${v1.x + v1.width
> > > > +
> > > > 20}"
> > > > bgcolor="blue"/>
> > > >
> > > > compiles to a constraint method:
> > > > $lzc$bind_x$v2_$m10:
> > > > function  ($lzc$ignore = null) {
> > > >  this.setAttribute("x", v1.x + v1.width + 20);
> > > > }
> > > >
> > > >
> > > > $lzc$dependencies_x$v2_$m10:
> > > > function  () {
> > > >  return [v1, "x", v1, "width"]
> > > >     }
> > > >
> > > >
> > > > But nodes which have  id's set them on the "global" object. So how
> > > > can
> > > > we
> > > > expect these references to work? Did we decide we need
> > > > to put with (global) {...} around all method bodies? Or have the
> > > > compiler
> > > > find all id's at compile timeand make real top level vars for them?
> > > >
> > > > --
> > > > Henry Minsky
> > > > Software Architect
> > > > hminsky at laszlosystems.com
> > > >
> > > >
> > >
> > >
> >
> > --
> > Henry Minsky
> > Software Architect
> > hminsky at laszlosystems.com
> >
>
>


-- 
Henry Minsky
Software Architect
hminsky at laszlosystems.com
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