[wxPython-users] Binding Menu Events

[Mike Eller]

On Sat, 2008-03-15 at 19:25 -0700, Phil Mayes wrote:
> At 06:08 PM 3/15/2008, you wrote:
> >OK,
> >
> >Now I get the following error....on all menu events (close, edit, etc)
> >Traceback (most recent call last):
> >   File "MainWindow.py", line 39, in OnViewUser
> >     text = self.m2f[item.GetId()]
> >AttributeError: 'MainFrame' object has no attribute 'm2f'
> 
> Guess I was too brief...!  See my original post, where self.m2f is a 
> dictionary mapping the menu IDs to the labels on the menu.  Basically, the 
> idea is to save whatever info you want, referenced by the menu ID, then 
> retrieve it in the menu handler.
> 
> Phil

Phil,

I see it now.  Had to read up on dictionaries.
So here is what I did...for completeness for this thread.

In the class that creates the menubar....I did this:

first, I created a constant wxID_VIEWUSER = 130
Then, after reading in the file which lists the items I want in my
"View" menu, I did this to dynamically add each item:
	for i in range(len(thelist)):   #thelist is the items from file
		#I give each menu item a unique id by adding list    index to the
constantID
		viewMenu.Append((wxID_VIEWUSER + i), text=thelist[i])

		#then I add the id and text to the dictionary
		self.mylist[(wxID_VIEWUSER + i)] = thelist[i]

In my main class, I set the menu events for the "View" menu like this:
	for i, j in self.menuBar.mylist.iteritems():
		self.Bind(wx.EVT_MENU, self.OnViewUser, id=i)

Then the ViewMenu event handler looks like this:  (print is just for
testing)

	def OnViewUser(self, event):
		user = self.menuBar.mylist[event.GetId()]
		print user

Now each user's text is printed when the appropriate menu item is
clicked...just as I wanted.

Phil, Thank you for the guidance and patience!
If any of the code/techniques look bad or there is a better more
efficient way....please let me know. I want to do things right.

As I progress through this...I am sure I will be back for more!

Again Thanks
Mike
> 
> 
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