Multilevel ListStore

[Shadi Azoum]

Hi,

I am trying to make a hierarchal structure using the PyGTK ListStore.  
What would the code look like for a multilevel structure such as the  
one below:

Parent 1
   Child 1.1
   Child 1.2
   Parent 1.3
      Child 1.3.1
      Child 1.3.2
   Child 1.4
Parent 2
   Child 1
   Child 2
...

I know the code if it was just one parent with multiple children, but  
not when those children are the parents of others.

Any help would be greatly appreciated.


-Shadi Azoum

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[Paul Pogonyshev]

Shadi Azoum wrote:
> Any help would be greatly appreciated.

Use gtk.TreeStore instead.

Paul
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[Shadi Azoum]

Thanks for the tip, Paul. Any code example on using TreeStore? The official pygtk tutorials offer little support.


----- Original Message -----
From: Paul Pogonyshev <pogonyshev@...>
Date: Sunday, July 6, 2008 3:51 am
Subject: Re: [pygtk] Multilevel ListStore
To: pygtk@...
Cc: Shadi Azoum <ssa03d@...>

> Shadi Azoum wrote:
> > Any help would be greatly appreciated.
>
> Use gtk.TreeStore instead.
>
> Paul
>
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[Walter Leibbrandt-2]

Hi,

Run pygtk-demo. The only real difference to a normal ListStore is
specifying the parent gtk.TreeIter when you add rows:

<code>
model = gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING)
parentIter = model.append(None)
model.set(parentIter,
    0, "Parent (1st col)",
    1, "Parent (2nd col)"
)

childIter = model.append(parentIter)
model.set(childIter,
    0, "Child (1st col)",
    1, "Child (2nd col)"
)
childIter2 = model.append(parentIter)
model.set(childIter2,
    0, "Child2 (1st col)",
    1, "Child2 (2nd col)"
)
</code>

This will add a top-level row (referenced by parentIter) and two rows
under it (referenced by childIter and childIter2). Then you can do
"level2iter = model.append(childIter)" to add a row with the first child
row (childIter) as its parent.

The PyGtk tutorial also covers this in section 14.2.4.2 ("Adding Rows to
a TreeStore") and that's about as hard as it gets.

Hope this helps.

Regards,
Walter

P.S. The code above was written on-the-go, so it might not be 100% correct.

Shadi Azoum wrote:

> Thanks for the tip, Paul. Any code example on using TreeStore? The official pygtk tutorials offer little support.
>
>
> ----- Original Message -----
> From: Paul Pogonyshev <pogonyshev@...>
> Date: Sunday, July 6, 2008 3:51 am
> Subject: Re: [pygtk] Multilevel ListStore
> To: pygtk@...
> Cc: Shadi Azoum <ssa03d@...>
>
>  
>> Shadi Azoum wrote:
>>    
>>> Any help would be greatly appreciated.
>>>      
>> Use gtk.TreeStore instead.
>>
>> Paul
>>
>>    
> _______________________________________________
> pygtk mailing list   pygtk@...
> http://www.daa.com.au/mailman/listinfo/pygtk
> Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
>  

[walter.vcf]

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---

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