Re: [Pythoncard-users] newbie, how to reference app instance

[Liam C. <cy...@gm...>]

I am confused.

What are you trying to do exactly?

>I cannot seem to find a way to reference the worldclock instance object so=
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that my controller can >use it's methods to update the GUI. the snippet I=
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think relates is:

So, are you trying to access the original worldclock, or your own class?

Consider making your Pythoncard class your controller, as it will be the on=
e=20
responding to events. I have a similar case -=20

from PythonCard import model, dialog
import dao
import ConfigParser
import search

class Main(model.Background):

def on_initialize(self, event):
db =3D self.getCfg()
self.SQLWrapper =3D dao.DAO(db)
self.Show()

def getCfg(self):
cfg =3D ConfigParser.ConfigParser()
cfg.read('./config.ini')
dbFile =3D cfg.get('Database details', 'filename')
return dbFile

def on_clients_mouseClick(self, event):
searchWindow =3D model.childWindow(self, search.SearchClient)
searchWindow.DAO =3D self.SQLWrapper


if __name__=3D=3D'__main__':
app=3Dmodel.Application(Main)
app.MainLoop()


From the main class, references to the database access object are passed to=
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each child window. Child windows can open other children windows, but they=
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always assign the above class as the parent, so the Main class will always=
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stick around.



On Apr 9, 2005 2:30 AM, Sells, Fred <fr...@ad...> wrote:
>=20
> I have a single window PythonCard app plus a few more classes to wrap=20
> access to a DB, Serial IO and a directory of jpg's.
>  I would like to pull everything together in a Controller.py module which=
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> would be able to access the my PythonCard module (i.e. the one that=20
> matches the PythonCard resource file). I started off using the worldclock=
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> demo from the samples directory and have significantly gutted it to fit m=
y=20
> needs.
>  I cannot seem to find a way to reference the worldclock instance object=
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> so that my controller can use it's methods to update the GUI. the snippet=
 I=20
> think relates is:
>   app =3D model.Application(WorldClock)
> app.MainLoop()
>  I tried doing a "dir()" on app, but didn't recognize anything as giving=
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> me access to the instance of WordClock.=20
>  I realize I could make WorldClock my "Controller", but that's just not=
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> the way I see the design. After all this, by questions are:
> 1. is there a way to reference the instance of WorldClock, or
> 2. am I looking into the wrong end of the pipe for PythonCard and should =
I=20
> make WorldClock.py my primary controller?
>  I've included the entire source for WorldClock.py below, for what it's=
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> worth:
>  #!/usr/bin/python
> =20
> import urllib
> import os
> import time
> import wx
> from cStringIO import StringIO
>  from PythonCard import graphic, log, model, timer
> #from PythonCard.log import Log
>  class WorldClock(model.Background):
>   def on_initialize(self, event):
> self.clockTimer =3D timer.Timer(self.components.staticTextClock, -1)
> self.clockTimer.start(1000) # 1 second
> self.updateDateAndTime()
>   def on_staticTextClock_timer(self, event):
> self.updateDateAndTime()
>   def updateDateAndTime(self):=20
> t =3D time.strftime("%I:%M %p")
> if t[0] =3D=3D "0": t =3D t[1:]
> d =3D time.strftime("%A, %B %d, %Y")
> self.components.staticTextClock.text =3D d+" "+t
>=20
> def on_imageButtonWorld_timer(self, event):
> print "imageButtonWorld_timer"
>=20
> def on_Leave_mouseClick(self, event):
> print "clicked leave"
>   def on_Arrive_mouseClick(self, event):
> print "arrive"
>   def on_showHistory_mouseClick(self, event):
> print "history"
>   def on_close(self, event):
> self.clockTimer.stop()
> event.skip()
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> def setEmployee(self, employee):
> self.components.Name.text =3D employee.getFullName()
> bmp =3D graphic.Bitmap(employee.getPictureFilename())
> if employee.LName=3D=3D'BURRILL':
> bmp.rotate180(1)
> =20
> def createApplication():
> app =3D model.Application(WorldClock)
> for d in dir(app):print d
> app.MainLoop()
> ##mainloop never returns.
>  if __name__ =3D=3D '__main__':
> createApplication()
> =20



--=20
'There is only one basic human right, and that is to do as you damn well=20
please.
And with it comes the only basic human duty, to take the consequences.