[wxPython-users] Application structure - basic knowledge needed

[Robin Dunn]

Algirdas Brazas wrote:
> Dear friends,
> 
> I am porting my web based application (wich is actually db interface for 
> some databases) written in php to wxpython. I took me only several 
> rewritings to understand, that I miss something in a global scope.
> There is an application wich will have a main frame and 10-20 different 
> panels wich will be shown on it. For each panel I need to show a little 
> bit different menu and completely different toolbar in the main frame. 
> What should be my approach for this? At the moment I use this before 
> creating any panel:
> if hasattr(self, "win"):
>  if hasattr(self.win, "OnClose"):
>    self.win.OnClose()
>  self.win.Destroy()
>  del self.win
> While any things I need to clean after any panel I can put in the 
> OnClose method of it. One of those things is:
> self.parent.SetToolBar(None)
> self.toolbar.Destroy()
> del self.toolbar
> Then cleaning up inserted menu entries...
> And I don't think it's right. :)

There are certainly more elegant ways to do it, but your approach is not 
fundamentally wrong.

> From the other hand - what should be good way to show different 
> panels? Should I 
> create them once and then simply switch, or is it better to create them 
> when needed?

Either way works, but if you create all the panels at the beginning and 
then just Show/Hide as needed, then the transition between panels will 
be quicker and will look somewhat better.

BTW, have you considered using wx.Notebook or one of the other book widgets?

-- 
Robin Dunn
Software Craftsman
http://wxPython.org  Java give you jitters?  Relax with wxPython!