HI all,
just for future reference (if people have the same problem), the
solution was to simply call self.invalidate() right before calling
self.sort() in the proxy model.
Cheers,
frank
On 26/06/12 7:32 PM, Frank Rueter | OHUfx wrote:
Hi all,
I'm trying to implement a custom sort behaviour on my first model/view
structure and am hitting a road block (undoubtedly human error).
My model is just a list of dictionaries all living in column 0 of
their respective rows. I am not splitting up the dictionaries' keys
into their own columns as I need to draw each one as a single custom
widget/delegate eventually (maybe this is possible anyway??).
The sorting code in my proxy model code like like this:
def sortBy( self, attr ):
self.__sortBy = attr
self.sort( 0, Qt.AscendingOrder ) # THIS DOES NOT GET CALLED
WHEN THE COMBO BOX CHANGES A SECOND TIME
def lessThan( self, left, right ):
'''Custom sorting behaviour'''
leftTool = ( self.sourceModel().itemFromIndex( left ) )
rightTool = ( self.sourceModel().itemFromIndex( right ) )
leftData = leftTool.data()[ self.__sortBy ]
rightData = rightTool.data()[ self.__sortBy ]
return leftData < rightData
As the comment in the code says, the first time I call sort() it works
fine, but subsequent calls do nothing. It's like nothing exists in
column 0 anymore after things were sorted once?!
I'm sure I'm missing something very obvious here.
Here is the entire test code:
http://pastebin.com/iuqXbdtm
I'm not sure if I'm even going about this in the right way so any help
would be greatly appreciated as usual.
Cheers,
frank
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