Women in Technology

Article:		Working with Tables: Writing an Address Book Application
Subject:		Works but with a little bug
Date:		2005-06-19 17:24:01
From:		jz87
I'm running this on XCode 2.1 that came with Tiger, and there seems to be a slight bug with delete version 4. If you have any duplicate records, if you select any one of the copies and delete, it'll delete all the copies.

Showing messages 1 through 1 of 1.

• Ok fixed it
  2005-06-19 17:49:39  jz87 [View]
  
  
  I modified the code a bit, this will work if you have Panther or Tiger.
  
  - (IBAction)deleteRecord:(id)sender
  {
  int status;
  NSEnumerator* enumerator;
  NSNumber* index;
  NSMutableIndexSet* indexSet = [NSMutableIndexSet indexSet];
  
  if ([tableView numberOfSelectedRows] == 0)
  return;
  NSBeep();
  status = NSRunAlertPanel(@"Warning!", @"Are you sure you want to delete the selected record(s)?", @"OK", @"Cancel", nil);
  if (status == NSAlertDefaultReturn)
  {
  enumerator = [tableView selectedRowEnumerator];
  while (index = [enumerator nextObject])
  {
  [indexSet addIndex:[index intValue]];
  }
  [records removeObjectsAtIndexes:indexSet];
  [tableView reloadData];
  }
  }
  
  The documentation says that NSMutableIndexSet is only available since Panther. The remove object from array probably removes all matching objects, so it would remove all duplicates of an entry even if you just selected one. This version only removes the entries that were actually selected.