Confirming a thing about IDs

Geoff Canyon gcanyon at gmail.com
Thu Oct 11 20:08:11 EDT 2018


Yep, I feel you on the groups vs. cards aspect -- there are numerous
functions in Navigator that deal with "all objects in a stack" and I think
my code for de-duping (or avoiding duping, more accurately) is about to get
simpler...

On Thu, Oct 11, 2018 at 3:03 PM Brian Milby via use-livecode <
use-livecode at lists.runrev.com> wrote:

> That works to touch the object, but I am recording a long ID and long name
> in the exported script comment header. For background groups I didn’t want
> the card in there since the group could be on multiple. If I left it in,
> then the reported long ID would change depending on the last card
> containing the group that was visited. So I adjust the value to be
> consistent. I also swap out the stack path and use the name.
>
> Thanks,
> Brian
> On Oct 11, 2018, 4:49 PM -0500, Geoff Canyon via use-livecode <
> use-livecode at lists.runrev.com>, wrote:
> > Ah, okay -- I have somewhat the same issue in Navigator. Wouldn't
> >
> > group id <id> of stack "<stack name>"
> >
> > always work?
> >
> > On Thu, Oct 11, 2018 at 2:40 PM Brian Milby via use-livecode <
> > use-livecode at lists.runrev.com> wrote:
> >
> > > >
> > > > > If a card containing a certain shared group has not been visited,
> then
> > > > the
> > > > > group must be referenced using background instead of group. For
> this
> > > > > reason, I use “bkgnd” to identify any shared group.
> > > >
> > > > Not sure what you mean by this? I created a stack with a
> background/group
> > > > id 1011. The group is placed on card 4 of the stack. Restart LC and
> > > re-open
> > > > the stack, and this puts true:
> > > >
> > > > put there is a group id 1011 of stack "untitled 1"
> > > >
> > > > No card containing the group had been visited. This is on a Mac, LC
> 8.x
> > > >
> > > > gc
> > > >
> > > >
> > > I did not phrase that well (and had the details wrong). What actually
> > > happens is that the returned long ID of objects in shared groups
> changes
> > > depending on whether a card containing that group has been visited. If
> a
> > > card has been visited, then "group id x of card id y" is returned. If
> not,
> > > then "bkgnd id x" is returned. Probably not an issue for most, but if
> > > looking to generate long IDs that are always the same for a given
> object
> > > then it is.
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