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[macos] Refactored label localization
Localize only Mapbox Streets v6–v7, and do so more systematically than before.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| #import <Mapbox/Mapbox.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface MGLVectorSource (MBXAdditions) | ||
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| + (nullable NSString *)preferredMapboxStreetsLanguage; | ||
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| - (NS_DICTIONARY_OF(NSString *, NSString *) *)localizedKeysByKeyForPreferredLanguage:(nullable NSString *)preferredLanguage; | ||
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| @property (nonatomic, readonly, getter=isMapboxStreets) BOOL mapboxStreets; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| #import "MGLVectorSource+MBXAdditions.h" | ||
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| @implementation MGLVectorSource (MBXAdditions) | ||
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| + (NS_SET_OF(NSString *) *)mapboxStreetsLanguages { | ||
| // https://www.mapbox.com/vector-tiles/mapbox-streets-v7/#overview | ||
| static dispatch_once_t onceToken; | ||
| static NS_SET_OF(NSString *) *mapboxStreetsLanguages; | ||
| dispatch_once(&onceToken, ^{ | ||
| mapboxStreetsLanguages = [NSSet setWithObjects:@"en", @"es", @"fr", @"de", @"ru", @"zh", nil]; | ||
| }); | ||
| return mapboxStreetsLanguages; | ||
| } | ||
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| + (nullable NSString *)preferredMapboxStreetsLanguage { | ||
| for (NSString *language in [NSLocale preferredLanguages]) { | ||
| NSString *languageCode = [[NSLocale localeWithLocaleIdentifier:language] objectForKey:NSLocaleLanguageCode]; | ||
| if ([[MGLVectorSource mapboxStreetsLanguages] containsObject:languageCode]) { | ||
| return languageCode; | ||
| } | ||
| } | ||
| return nil; | ||
| } | ||
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| - (BOOL)isMapboxStreets { | ||
| NSURL *url = self.configurationURL; | ||
| if (![url.scheme isEqualToString:@"mapbox"]) { | ||
| return NO; | ||
| } | ||
| NSArray *identifiers = [url.host componentsSeparatedByString:@","]; | ||
| return [identifiers containsObject:@"mapbox.mapbox-streets-v7"] || [identifiers containsObject:@"mapbox.mapbox-streets-v6"]; | ||
| } | ||
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| - (NS_DICTIONARY_OF(NSString *, NSString *) *)localizedKeysByKeyForPreferredLanguage:(nullable NSString *)preferredLanguage { | ||
| if (!self.mapboxStreets) { | ||
| return @{}; | ||
| } | ||
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| // Replace {name} and {name_*} with the matching localized name tag. | ||
| NSString *localizedKey = preferredLanguage ? [NSString stringWithFormat:@"name_%@", preferredLanguage] : @"name"; | ||
| NSMutableDictionary *localizedKeysByKey = [NSMutableDictionary dictionaryWithObject:localizedKey forKey:@"name"]; | ||
| for (NSString *languageCode in [MGLVectorSource mapboxStreetsLanguages]) { | ||
| NSString *key = [NSString stringWithFormat:@"name_%@", languageCode]; | ||
| localizedKeysByKey[key] = localizedKey; | ||
| } | ||
| return localizedKeysByKey; | ||
| } | ||
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| @end |
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