I was under the impression (and the Python dev guide seems to agree) that
onDestroy is first called on the root node when the script is closed. I assume
this means that either A) it is called on the root and then on all of its
children, or B) it is only called on the root, period.
The other piece of the puzzle is that onScriptClose is called before onDestroy
is called on the root, so you should be able to add an onScriptClose callback
to remove your onDestroy callback before any of the actual nodes are destroyed.
-Nathan
From: J Bills
Sent: Thursday, February 16, 2012 4:45 PM
To: Nuke user discussion
Subject: Re: [Nuke-users] node lock?
Thanks for the ideas, guys. seems like it might be possible.
I'm trying to stay away from any custom delete function, since that's a bit too
high level of a change. the bookmarker script is almost exactly the ticket -
thanks Howard (and Diogo)
wiring up some sort of confirmation prompt or message to an onDestroy callback
is a good idea but I think the problem is that onDestroy is invoked when
closing the script, which would unnecessarily trigger all of the prompts, right?
Is there any way to suppress the onDestroy prompts from triggering when closing
the script? with some sort of onScriptClose callback inserting something
clever?
we really do need a new "onUserDestroy" callback to get around the whole script
closing onDestroys thing.
On Mon, Feb 13, 2012 at 3:40 AM, Howard Jones <mrhowardjo...@yahoo.com> wrote:
What Diogo did for the bookmarker tools we cooked up was to change the icon
to a bookmark icon.
We search for this and produce a list.
Maybe create a lock icon and search for that? (see bookmarker on nukepedia
for full code if you want)
eg.
sn = nuke.selectedNodes()
if sn['icon'].value() != 'lock.png'
call built-in delete function
Howard
----------------------------------------------------------------------------
From: chris <ze.m...@gmx.net>
To: Nuke user discussion <nuke-users@support.thefoundry.co.uk>
Sent: Monday, 13 February 2012, 11:18
Subject: Re: [Nuke-users] node lock?
this is a wild shot, but maybe it's possible replace the
standard delete action with your own function? (or at least have
the delete keyboard shortcut to call your function)?
that way you could do something like:
if selectedNode is part of a doNotDeleteList
put up alert (or do nothing)
else
call built-in delete function
might be a completely stupid idea, but might help to think of
other things
++ chris
On 2/13/12 at 11:15 AM, ch...@thefoundry.co.uk (Chris Bevan) wrote:
>The only thing that came to mind for me was adding an onDestroy
>callback to check whether the node is one we're not supposed to delete:
>
>def showError():
>nuke.message("You deleted the wrong node!")
>nuke.addOnDestroy(showError, nodeClass='Dot')
>
>I tried triggering an undo during the callback, but
>unfortunately it undoes the previous action, because the node
>deletion hasn't been registered yet at that point. From a
>quick glance I also wasn't sure how to see what node was being
>deleted, other than the class.
>
>May be food for thought, anyway...
>
>- Chris
>
>On 08/02/12 19:55, J Bills wrote:
>>is there any way to essentially lock a node so it can't
>accidentally be
>>deleted?
>>
>>I'm making a template and for organizational sake, some of
>the
>>expressions rely on certain dots and noop nodes being in
>place. without
>>them, my script looks like a rats nest, but with them it's
>gold. but I
>>don't want someone who's not all that down with dots or
>whatever to
>>start deleting things.
>>
>>other than putting a "do not delete" in the label, is there
>anything
>>scripty I could do here?
>>
>>
>>This body part will be downloaded on demand.
>
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