gistfile1.txt

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [self setTableView:[[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStyleGrouped]];
    
    [self setRegions:@[@[@"Bologna", @"Florence", @"Milan"]], @[@"Naples", @"Rome", @"Turin"]]];

    [self setTitle:@"Region"];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [[self regions][section] count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil)
    {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    }
    
    [[cell textLabel] setText:[self regions][[indexPath section]][[indexPath row]]];
    
    return cell;
}
     
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    CityController *cityController = [[CityController alloc] initWithNibName:@"CityController" bundle:nil];
    [cityController setCity:[self regions][[indexPath section]][[indexPath row]]];
    [[self navigationController] pushViewController:cityController animated:YES];
}