KCD/HMSokuTransformer.m

   1 //
   2 //  HMSokuTransformer.m
   3 //  KCD
   4 //
   5 //  Created by Hori,Masaki on 2015/03/01.
   6 //  Copyright (c) 2015年 Hori,Masaki. All rights reserved.
   7 //
   8
   9 #import "HMSokuTransformer.h"
  10
  11 typedef NS_ENUM(NSInteger, SokuType) {
  12         kSlow = 5,
  13         kFast = 10,
  14 };
  15
  16 @implementation HMSokuTransformer
  17 + (void)load
  18 {
  19         static dispatch_once_t onceToken;
  20         dispatch_once(&onceToken, ^{
  21                 [NSValueTransformer setValueTransformer:[self new] forName:@"HMSokuTransformer"];
  22         });
  23 }
  24 + (Class)transformedValueClass
  25 {
  26         return [NSString class];
  27 }
  28 + (BOOL)allowsReverseTransformation
  29 {
  30         return NO;
  31 }
  32
  33 - (id)transformedValue:(id)value
  34 {
  35         if(![value isKindOfClass:[NSNumber class]]) return nil;
  36
  37         NSString *result = nil;
  38         SokuType soku = [value integerValue];
  39         switch (soku) {
  40                 case kSlow:
  41                         result = NSLocalizedString(@"Slow", @"Speed, slow");
  42                         break;
  43                 case kFast:
  44                         result = NSLocalizedString(@"Fast", @"Speed, fast");
  45                         break;
  46         }
  47
  48         return result;
  49 }
  50 @end