#import <Foundation/Foundation.h>

NSComparisonResult compare (NSString *first, NSString *second, void *context)
{
   return [first compare:second];
}

void proba (void)
{
   NSArray  *automobiliArray = [NSArray arrayWithObjects:@"volvo", @"alfa", nil];
   NSArray  *zivotinjeArray  = [NSArray arrayWithObjects:@"zebra", @"krava", nil];
   
   NSDictionary  *automobiliDict = [NSDictionary dictionaryWithObjectsAndKeys:@"automobili", 
@"sectionName", automobiliArray, @"array", nil];
   NSDictionary  *zivotinjeDict  = [NSDictionary dictionaryWithObjectsAndKeys:@"životinje",
@"sectionName", zivotinjeArray, @"array", nil];
   
   NSMutableArray  *allItems = [NSMutableArray arrayWithObjects:zivotinjeDict, automobiliDict, nil];
   
   NSLog (@"*** UNSORTED ***");
   for (NSDictionary *tmpDict in allItems)  {
      NSLog (@"--- Section: %@ ---", [tmpDict objectForKey:@"sectionName"]);
      NSArray  *tmpArray = [tmpDict objectForKey:@"array"];
      for (int i=0; i<[tmpArray count]; i++)  {
         NSLog (@"Item %d: %@", i, [tmpArray objectAtIndex:i]);
      }
   }
   NSLog (@".");
   NSLog (@"*** SORTED ***");
   NSSortDescriptor  *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"sectionName" ascending:YES];
   
   [allItems sortUsingDescriptors:[NSArray arrayWithObject:sortDescriptor]];

   for (NSDictionary *tmpDict in allItems)  {
      NSLog (@"--- Section: %@ ---", [tmpDict objectForKey:@"sectionName"]);
      NSArray  *tmpArray = [[tmpDict objectForKey:@"array"] sortedArrayUsingFunction:compare context:NULL];
      for (int i=0; i<[tmpArray count]; i++)  {
         NSLog (@"Item %d: %@", i, [tmpArray objectAtIndex:i]);
      }
   }

   [sortDescriptor release];
}

int main (int argc, const char * argv[])
{
   NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
   
   proba ();
   
   [pool drain];
   return (0);
}