Re: [Pythoncard-users] notebook/grid/initialize problem

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Thanks Brad. First, an aside, the grid is working fine for all but the
problem of creating and loading inside the same event handler. Your
comments were helpful, because they made me rethink the methods and
modules. I remembered a list member talking about a childWindow problem
with event handling (in their case it was trying to Raise() the window
after creating it in the same event handler). Same problem, same
solution. The solution was to move the Raise() into the on_initialize
method. I borrowed that logic, and moved my set_grid_data() method call
into the on_initialize method. I also moved the get_grid_data() and
set_grid_data() methods into FileSpecsWin as a better style choice.
Works like a charm. 
 
class TestNotebook(model.Background): 
 
&nbsp;&nbsp;&nbsp; def open_projfile(self): 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try: 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; projectFileRef = shelve.open(self.projectFile) 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; except IOError: 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; result = dialog.alertDialog(self,'File %s could not be
opened - try again' % (self.projectFile), 'Error') 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else: 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if projectFileRef.has_key('File1Window'): 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.file1Win =
model.childWindow(self.components.notebook, FileSpecsWin) 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.components.notebook.AddPage(self.file1Win, 'File 1
Specs', True) 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (self.file1Win.components.textFilePath.text, 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.file1Win.components.buttonImport.enabled, 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.file1Win.components.buttonLoad.enabled) =
projectFileRef['File1Window'] 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if projectFileRef.has_key('File1GridData'): 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.file1Win.grid_data =
projectFileRef['File1GridData'] 
 
 
class FileSpecsWin(model.PageBackground): 
 
&nbsp;&nbsp;&nbsp; def on_initialize(self, event): 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.fileGrid = wx.grid.Grid(name='fileGrid', parent=self.panel, 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; pos=wx.Point(21, 64), size=wx.Size(400, 390), style=0) 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.fileGrid.SetRowLabelSize(40) 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.fileGrid.SetColLabelSize(17) 
&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; ... 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.fileGrid.ForceRefresh() 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if hasattr(self,"grid_data") and self.grid_data: 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.set_grid_data() 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; self.grid_data = [] 
 
 
Thanks for taking the time to look it over. 
Bo 
 
 
<a class="moz-txt-link-abbreviated" href="mailto:bra...@om...">bra...@om...</a> wrote:
<blockquote
 cite="mid...@om..."
 type="cite"> 
 <tt>Bo Green wrote on 05/30/2005 09:32:27 AM:</tt>
 
 
 &gt;<tt> I
could
use some sage advice at this point.</tt>
 
 
 I'm afraid the sages may all be on
sabbatical
right now, but hopefully one will show up soon.
 
 I wish I was knowledgeable enough to
help, but I didn't even realize you could add
 
 non-PythonCard components to a
Background
or a PageBackground, at least not without 
 
 mucking about with the event model.
Adding a wx.grid component is a pretty nifty
 
 thing to do; I had been wishing that
PythonCard had a grid component.
 
 
 Anway, despite my lack of sagely
knowledge,
here are a few ideas:
 
 
 Has this grid component ever worked
for you in a normal Background, outside
 
 the context of a notebook page?
 
 
 I noticed that you're creating the
grid
as self.fileGrid rather than self.components.fileGrid.
 
 Maybe it's worth a try to put it in
self.components.
 
 
 You could also sprinkle in a few
print
statements to see if the on_initialize is happening
 
 when you think it's happening. 
 
 
 
 <tt>Bo Green wrote on 05/30/2005 09:32:27 AM: 
 
&gt; 
&gt; I am working with TestNotebook, and am trying to create pages and
 
&gt; populate the pages in the pages using a persistent dictionary. One
of 
&gt; the properties in one of the pages is a wxGrid. The grid creation
 
&gt; happens in on_initialize for the page: 
&gt; 
&gt; class FileSpecsWin(model.PageBackground): 
&gt; &nbsp; &nbsp; 
&gt; &nbsp; &nbsp; def on_initialize(self, event): 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; self.fileGrid = wx.grid.Grid(name='fileGrid',
parent=self.panel, 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; pos=wx.Point(21, 64), size=wx.Size(400,
390), style=0) 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; self.fileGrid.SetRowLabelSize(40) 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; self.fileGrid.SetColLabelSize(17) 
&gt; ...etc 
&gt; 
&gt; the method which adds the page and populates the grid looks like
this: 
&gt; 
&gt; class TestNotebook(model.Background): 
&gt; 
&gt; ...other methods... 
&gt; 
&gt; &nbsp; &nbsp; def open_projfile(self): 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; try: 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; projectFileRef = shelve.open(self.projectFile) 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; except IOError: 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; result = dialog.alertDialog(self,'File
%s could not be 
&gt; opened - try again' % (self.projectFile), 'Error') 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; else: 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if projectFileRef.has_key('File1Window'): 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; self.file1Win
= 
&gt; model.childWindow(self.components.notebook, FileSpecsWin) 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; self.components.notebook.AddPage(self.file1Win,
'File 1 
&gt; Specs', True) 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (self.file1Win.components.textFilePath.text, 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;self.file1Win.components.buttonImport.enabled, 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;self.file1Win.components.buttonLoad.enabled)
= 
&gt; projectFileRef['File1Window'] 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if projectFileRef.has_key('File1GridData'): 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
grid_data = projectFileRef['File1GridData'] 
&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
self.set_grid_data(grid_data, self.file1Win.fileGrid) 
&gt; 
&gt; But, the grid doesn't exist when this method attempts to populate
it. I 
&gt; get an error like this: 
&gt; 
&gt; AttributeError: 'FileSpecsWin' object has no attribute 'fileGrid' 
&gt; 
&gt; I thought this might have to do with stacking method calls, so I
tried
 
&gt; wx.CallAfter(self.set_grid_data, grid_data,
self.file1Win.fileGrid),
but 
&gt; that didn't work. I could use some sage advice at this point. 
&gt; Thanks. 
&gt; Bo Green 
&gt; 
&gt; 
&gt; 
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 </tt>
</blockquote>
 
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