Matt Wilkie recently wrote (http://tinyurl.com/22lf48p)
> Thank you for taking the time to explain. Insight into your process is
> more valuable to me at this stage in my learning-to-program
> development than what or how script X does Y.
I would like to know the specific steps you went through to find the
"docstring" (whatever that is) for the unmark-all command in order for
you to copy and paste it into this thread.
-------- Original Message --------
Subject: Re: Unmark-all command [was: Q: Outline icon has red line that
won't go away]
From: Edward K. Ream <[email protected]>
To: [email protected]
Date: Thursday, November 11, 2010 3:41:07 PM
On Thu, Nov 11, 2010 at 12:35 PM, taa, Leo Newbie<[email protected]> wrote:
Unmark-all appears to remove all marks in ALL outlines and not just
the currently selected one.
You are confused about what "the outline" means.
The docstring for the unmark-all command is:
'''Unmark all nodes in the entire outline.'''
I think this is as clear as it can possibly be.
How can I unmark only the select outline
(node) and all its children?
The proper terminology would be, umark the selected *node* and all its children.
I don't think there is a command that does exactly this, but the
following script will do the job:
for p in c.p.subtree():
p.clearMarked()
c.redraw()
I put it in a node called @button unmark-tree.
To make this undoable, use the following (tested) code:
u = c.undoer ; undoType = 'unmark-tree'
changed = False
u.beforeChangeGroup(c.p,undoType)
for p in c.p.subtree():
if p.isMarked():
bunch = u.beforeMark(p,undoType)
p.clearMarked()
u.afterMark(p,undoType,bunch)
changed = True
if changed:
u.afterChangeGroup(c.p,undoType)
c.redraw()
Edward
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