Re: Problem with dynamic reconfiguration of a TableView?

FROM : Jerry LeVan
DATE : Thu Nov 07 21:11:11 2002

Arrgh,

Never mind... I corrected the typos "tmpArray" should be colArray...

It seems to be working Ok, I undoubtably have a bunch of memory leaks to
track down now ;(

--Jerry

> Hi,
>
> I am writing a small application that reads a data file, it then determines
> the number of columns to add to a tableview, builds a represention of  the
> file and then adds the columns to a table view that was created with no
> columns.
>
> The data shows up in the table automagically.
>
> The problems appear when I try to repeat the process with another file...
> Application crashes via a seg violation.
>
> I enter the routine and delete the columns from the table view using many
> variations of code similar to:
> // Try to determine if we have been here before if so then clean up...
> colArray =[NSArray arrayWithArray: [tableView tableColumns]];
> NSLog(@"tmp array %@",colArray);
> if([colArray count]) {
>  for(i=0; i< [tmpArray count] ; i++){
>    [tableView removeTableColumn: [tmpArray objectAtIndex:i]];
>  }
>  NSLog(@"Finished releasing columns");
>  // [colArray release];
> // [tableView tile];
>  // NSLog(@"Released tmpArray");
>
>  }
>
> I then get the file name from the user and build the data array.
> I then add new columns
>
> Of course the data array is used in the tableView delegate methods.
>
> Taint clear to me what a suitable protocol might be for switching the number
> of columns and supplying an data source that reflects the new file.
>
> Thanks for any insight...
>
> --Jerry
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