-(NSArray*)paletteItems{
    NSMutableArray* paletteItemsArray = [NSMutableArray array];
    for(NSNumber* blockIndex in [[[dataSource objectForKey:@"categories"] objectAtIndex:selectedCategory] objectForKey:@"members"]){
        [paletteItemsArray addObject:[self getItemAtVirtualIndex:[blockIndex intValue]]];
    }
    return paletteItemsArray;
}