iOS UI control localizations and appearance tuning

SCRangeSliderViewDelegate.h

@protocol SCRangeSliderViewDelegate < NSObject >


#pragma mark - DataSource methods
@required
-(NSUInteger)numberOfSectionsForRangeSliderView:( SCRangeSliderView* )view_;
-(NSUInteger)maxRangeLengthForSliderView:( SCRangeSliderView* )view_;

-(void)didChangeSelectedRangeOfRangeSliderView:( SCRangeSliderView* )view_;

-(void)willMoveSliderView:( SCRangeSliderView* )view_ toSection:( NSRange )newSection_;

-(BOOL)userInteractionEnablesForRangeSliderView:( SCRangeSliderView* )view_;

@optional
-(BOOL)drawVerticalDelimitersForRangeSliderView:( SCRangeSliderView* )view_;



#pragma mark - Appearance methods
// This should be extracted to another protocol
-(BOOL)useGradientForLeftBackgroundInRangeSliderView:( SCRangeSliderView* )view_;
-(CGGradientRef)gradientForLeftBackgroundInRangeSliderView:( SCRangeSliderView* )view_;
-(UIColor*)colorForLeftBackgroundInRangeSliderView:( SCRangeSliderView* )view_;
-(CGFloat)alfaForLeftBackgroundInRangeSliderView:( SCRangeSliderView* )view_;

-(UIImage*)imageForLeftBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(BOOL)useGradientForLeftBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(CGGradientRef)gradientForLeftBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(UIColor*)colorForLeftBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(CGFloat)alfaForLeftBorderInRangeSliderView:( SCRangeSliderView* )view_;

-(BOOL)useGradientForRangeViewInRangeSliderView:( SCRangeSliderView* )view_;
-(CGGradientRef)gradientForRangeViewInRangeSliderView:( SCRangeSliderView* )view_;
-(CGFloat)alfaForRangeViewInRangeSliderView:( SCRangeSliderView* )view_;
-(UIColor*)colorForRangeViewInRangeSliderView:( SCRangeSliderView* )view_;

-(UIImage*)imageForRightBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(BOOL)useGradientForRightBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(CGGradientRef)gradientForRightBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(UIColor*)colorForRightBorderInRangeSliderView:( SCRangeSliderView* )view_;
-(CGFloat)alfaForRightBorderInRangeSliderView:( SCRangeSliderView* )view_;

-(BOOL)useGradientForRightBackgroundInRangeSliderView:( SCRangeSliderView* )view_;
-(CGGradientRef)gradientForRightBackgroundInRangeSliderView:( SCRangeSliderView* )view_;
-(UIColor*)colorForRightBackgroundInRangeSliderView:( SCRangeSliderView* )view_;
-(CGFloat)alfaForRightBackgroundInRangeSliderView:( SCRangeSliderView* )view_;

@end

SDFavouritesVcLocalizer.h

@protocol SDFavouritesVcLocalizer <NSObject>

-(NSString*)noDataMessage;

-(NSString*)addButtonMessage;
-(NSString*)editButtonMessage;

-(NSString*)cancelButtonMessage;
-(NSString*)doneButtonMessage;

-(NSString*)addFavouriteTextViewPlaceholderText;
-(NSString*)favouritesControllerNameText;

-(NSString*)alertTitleForEmptyNameCase;
-(NSString*)alertMessageForEmptyNameCase;
-(NSString*)alertButtonTextEmptyNameCase;

-(NSString*)alertTitleForDuplicateNameCase;
-(NSString*)alertMessageForDuplicateNameError:( NSError* )error;
-(NSString*)alertButtonTextDuplicateNameCase;

@end

SDFavouritesViewController.h

@interface SDFavouritesViewController : UIViewController

@property ( nonatomic, readonly, strong ) id<SDAsyncFavouriteDB>       asyncFavouritesModel;

@property ( nonatomic, readonly, weak ) id<SDFavouritesVcDelegate>   favouritesDelegate  ;
@property ( nonatomic, readonly, weak ) id<SDFavouritesVcDataSource> favouritesDataSource;

@property ( nonatomic, readonly, strong ) id<SDFavouritesVcColorTheme> colorTheme;
@property ( nonatomic, readonly, strong ) id<SDFavouritesVcLocalizer>  localizer ;

-(IBAction)onLeftButtonTapped:(id)sender;
-(IBAction)onRightButtonTapped:(id)sender;

-(void)reloadData;

@end