On Jan 7, 2010, at 8:21 AM, David Bovill wrote:
Hi Devin - the problem is no message is sent so I can't tell when
the group
is deleted. The only way to do that is have a front script, but I
was hoping
to use behaviors - so i could script a component without having to
install
somethin in a users development environment.
Sorry, David, I didn't read your original message closely enough. What
if the parent group has a deleteGroup handler that passes the message
on? Maybe the parent group is just swallowing group-related messages
from child groups.
What does the Message Watcher say? If no deleteGroup is generated by
nested groups it seems like a bug to me.
Regards,
Devin
2010/1/4 Devin Asay <[email protected]>
On Jan 1, 2010, at 12:45 PM, David Bovill wrote:
Just noticed that the deleteGroup message is not sent when the
group is
nested - anyone got an idea how to get around this?
Say you have a group that you want to do some tidying up if a user
deletes
it - and so you put a handler like this in the group itself:
on deleteGroup
beep
doSomeTidying
pass deleteGroup
end deleteGroup
Which works fine if it is a toplevel group - but when this group
is inside
another group deleting the toplevel group triggers a deleteGroup
message
which travels up the hierarchy to the card - but no deleteGroup
messages
are
sent from the inner groups - this means you can't attach appropriate
behaviors to the groups.
Wandering if anyone has looked at this - I can't think how to do
it as
deleteGroup is sent after deletion so even a frontscript would not
be able
to tell what was inside a deleted group. Even the new closeControl
message
does not seem to be sent in these circumstances?
David,
Maybe you'll need to check the child objects of the group before
you delete
the parent group. If they have child groups delete them first from
the
"inside out", so that each group is deleted individually and so
triggers the
deleteGroup message.
repeat with x= 1 to the number of groups in group "parent"
if there is a group x of group "parent" then
delete group x of group "parent"
else
exit repeat
end if
end repeat
Regards,
Devin
Devin Asay
Humanities Technology and Research Support Center
Brigham Young University
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Devin Asay
Humanities Technology and Research Support Center
Brigham Young University
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