Overriding Selected Minimum/Maximum labels.

Example/RangeSliderDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Example/RangeSliderDemo/ViewController.m

@@ -12,6 +12,8 @@ @interface ViewController ()
 @property (weak, nonatomic) IBOutlet TTRangeSlider *rangeSlider;
 @property (weak, nonatomic) IBOutlet TTRangeSlider *rangeSliderCurrency;
 @property (weak, nonatomic) IBOutlet TTRangeSlider *rangeSliderCustom;
+@property (weak, nonatomic) IBOutlet TTRangeSlider *rangeSliderOverridenLabels;
+
 @end
 
 @implementation ViewController
@@ -66,6 +68,8 @@ - (void)viewDidLoad {
     self.rangeSliderCustom.shadowRadius = 3;
     self.rangeSliderCustom.shadowOpacity = 0.5;
 
+    //override label range slider
+    self.rangeSliderOverridenLabels.delegate = self;
 }
 
 - (void)didReceiveMemoryWarning {
@@ -83,4 +87,25 @@ -(void)rangeSlider:(TTRangeSlider *)sender didChangeSelectedMinimumValue:(float)
     }
 }
 
+#pragma mark Optional override
+- (NSString *)overrideLabelForRangeSlider:(TTRangeSlider *_Nullable)sender minMaxValue:(float)selectedVal{
+    NSString *returnValue = nil;
+    if (sender == self.rangeSliderOverridenLabels) {
+
+        NSString *str = [NSString stringWithFormat:@"%f", selectedVal];
+        NSString *hexStr = [NSString stringWithFormat:@"%lX",
+                         (unsigned long)[str integerValue]];
+        if (sender.selectedMinimum == selectedVal)
+        {
+            returnValue = [NSString stringWithFormat:@"min:%@",hexStr];
+        }
+        else
+        {
+            returnValue = [NSString stringWithFormat:@"max:%@",hexStr];
+        }
+    }
+    return returnValue;
+}
+
+
 @end

Pod/Classes/TTRangeSlider.m

@@ -270,10 +270,19 @@ - (void)updateLabelValues {
         return;
     }
 
-    NSNumberFormatter *formatter = (self.numberFormatterOverride != nil) ? self.numberFormatterOverride : self.decimalNumberFormatter;
+    if (self.delegate && [self.delegate respondsToSelector:@selector(overrideLabelForRangeSlider:minMaxValue:)]) {
 
-    self.minLabel.string = [formatter stringFromNumber:@(self.selectedMinimum)];
-    self.maxLabel.string = [formatter stringFromNumber:@(self.selectedMaximum)];
+        self.minLabel.string = [self.delegate overrideLabelForRangeSlider:self minMaxValue:self.selectedMinimum];
+        self.maxLabel.string = [self.delegate overrideLabelForRangeSlider:self minMaxValue:self.selectedMaximum];
+
+    }
+    else
+    {
+        NSNumberFormatter *formatter = (self.numberFormatterOverride != nil) ? self.numberFormatterOverride : self.decimalNumberFormatter;
+
+        self.minLabel.string = [formatter stringFromNumber:@(self.selectedMinimum)];
+        self.maxLabel.string = [formatter stringFromNumber:@(self.selectedMaximum)];
+    }
 
     self.minLabelTextSize = [self.minLabel.string sizeWithAttributes:@{NSFontAttributeName:self.minLabelFont}];
     self.maxLabelTextSize = [self.maxLabel.string sizeWithAttributes:@{NSFontAttributeName:self.maxLabelFont}];

Pod/Classes/TTRangeSliderDelegate.h

@@ -28,4 +28,10 @@
  */
 - (void)didStartTouchesInRangeSlider:(TTRangeSlider *)sender;
 
+/**
+ * Called when the user wants to override the selected min/max labels based upon their passed in float values.
+ */
+
+- (nullable NSString *)overrideLabelForRangeSlider:(TTRangeSlider *_Nullable)sender minMaxValue:(float)selectedVal;
+
 @end

README.md

@@ -43,6 +43,10 @@ To be notified when the slider’s value changes, register your action method wi
 
 Alternatively you can implement the `TTRangeSliderDelegate` protocol and respond to changes in the `rangeSlider:didChangeSelectedMinimumValue:andMaximumValue:` method.
 
+## Overriding the selected minimum/maximum labels
+
+To override the selected min/max labels, implement the `TTRangeSliderDelegate` protocol and respond to changes in the `overrideLabelForRangeSlider:minMaxValue:` method.
+
 Other customisation of the control is done using the following properties:
 #### `tintColor`
 The tintColor property (which you can also set in Interface Builder) sets the overall colour of the control, including the colour of the line, the two handles, and the labels.