[Installit-dev] TreeView/TreeModel implementation

[Tuukka Mäkinen]

Jannis Pohlmann wrote:
> Hi all,
> 
> I wrote down some thoughts on the TreeModel/TreeView implementation we
> will use for InstallIt on
> http://dev.sten-net.de/2005/10/03/user-interface-complications/. You
> don't have to visit the site because here is the content:
> 
----- clip Lot of good stuff removed ----------
> This surely will cause some overhead and won’t solve every problem but
> it’s a good starting point, I think. Any comments on this?

I have no idea how to best implement such tree structure with categories 
and groups so forgive me if my understanding and then what I write below 
is completely wrong.

In the way to describe, if you unselect a group do you have to go 
through all packages belonging to that group and see if it is still 
enabled by some other group or explicit selection? Doesn't sound bad 
unless groups can overlap. What I started thinking was counters. Add 
selection counter to all packages so that you increase the counter when 
the package is selected directly or indirectly and decrease it when it's 
unselected. Anybody getting reminded of magic pointers or garbage 
collection...


Well anyway just a thought.

Tuukka