Re: Changing objects layer through Python

[Philip Cavaco <Philip Cavaco ki se>]

Thank you very much for the tips.

Philip

----- Original Message -----
From: Hans Breuer <hans breuer org>
Date: Sunday, March 15, 2009 5:44 pm
Subject: Re: Changing objects layer through Python
To: discussions about usage and development of dia <dia-list gnome org>

> At 15.03.2009 16:42, Philip Cavaco wrote:
> > That did the trick. Now I am stuck on a way to update the image 
> with all
> > changes I made. The script completely connects all "Standard - 
> Ellipse"> within the currently selection. The connections do not 
> appear unless I
> > manually move each Ellipse in the diagram. I have tried using
> > update_extents, add_update_all, and update_connections but none 
> seem to
> > do what I need.
> > 
> Indeed. Even the usual
> 
> if display :
> 	display.add_update_all()
> 
> did no help but it gave a hint. Your arcs did not where they were 
> (i.e. 
> drawn at the wrong place). See below for the solution.
> 
> 	Hans
> 
> > Here is the script
> > 
> > # This function completely connects the given group of "Standard -
> Ellipse" 
> > # objects with "Standard - Arc" objects with open circles (ending 
> 9).> # 
> > 
> > import dia
> > 
> > EXCITE_CONN = 8
> > INHIB_CONN = 9
> > CONN_TYPE = INHIB_CONN
> > 
> > def complete_connect(data,flags):
> >     """
> >     
> >     Arguments:
> >     - `data`:
> >     - `flags`:
> >     """
> >     d = dia.active_display().diagram
> >     layer = d.data.active_layer
> >     grp = d.get_sorted_selected()
> >     connType = dia.get_object_type("Standard - Arc")
> >     for o in grp:
> >         if o.type.name == 'Standard - Ellipse':
> >             for target in grp:
> >                 if target.type.name == 'Standard - Ellipse' and 
> not o ==
> > target:
> >                     #Connect to all other nodes except itself
> >                     temp_conn, h1, h2 = connType.create(0,0)
> >                     #temp_conn.properties['end_arrow'].value.type =
> > CONN_TYPE
> >                     h1.connect(o.connections[8])
> >                     h2.connect(target.connections[8])
> >                     layer.add_object(temp_conn, 0)
>     # second looping to effectively catch all connections
>     for o in grp:
>         d.update_connections(o)
> 
> >     #Apply changes to display
> >     d.update_extents()
> 
> -------- Hans "at" Breuer "dot" Org -----------
> Tell me what you need, and I'll tell you how to
> get along without it.                -- Dilbert
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