data source methods for app delegates

data-source-methods.m

- (void)awakeFromNib
{
    NSLog(@"%@" , NSStringFromSelector(_cmd));
}

- (NSInteger)numberOfRowsInTableView:(NSTableView *)tv
{
    NSLog(@"%@" , NSStringFromSelector(_cmd));
    return (NSInteger)0;
}

- (id)tableView:(NSTableView *)tv objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
{
    NSLog(@"%@" , NSStringFromSelector(_cmd));
    return nil;
}

- (void)tableViewSelectionDidChange:(NSNotification *)notification
{
    NSLog(@"%@" , NSStringFromSelector(_cmd));
}