Re: How prevent wxglade overwriting button handler

On 6/18/17 2:22 PM, Brendan Simon (eTRIX) wrote:
> If I create a button handler, then edit the code, then regenerate the 
> code, the button handler is reset to the default.
>
> How can I prevent wxglade from overwriting MY code?
With "Overwrite existing sources" deactivated, your handler code should 
be kept. The marker to detect handlers is "# wxGlade: ...<event_handler>".
I'have just tried this and noted a bug where sometimes newlines are 
inserted. I will correct this asap.
Long term the keep/overwrite code needs some modifications to be more 
robust and user friendly.

The alternative approach is to derive a class in your own file and 
implement the handler in the derived class. For non-trivial projects 
this is probably the better option.
There is a wiki page on this topic at 
https://wiki.wxpython.org/OrganizingYourCode
This is a bit older and I wish it would be a bit more compact.


*In a nutshell:*

Set output file name from wxGlade to e.g. ExampleGui.py

In the main.py or Example.py:

import ExampleGui

class ExampleFrame(ExampleGUI.ExampleFrame):
     def __init__(self, app):
         self.app = app
         ExampleGUI.ExampleFrame.__init__(self, None, wx.ID_ANY, "")

     XXX implement your handlers etc. here



class ExampleApp(wx.App):
     # application / logic
     def OnInit(self):
         self.frame = ExampleFrame(self)
         self.SetTopWindow(self.frame)
         self.frame.Show()
         return True

Example = ExampleApp(0)
Example.MainLoop()

Regards,
Dietmar

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