From 2658bfb6dc8afe5bf3dd1b2423895a736bc5d195 Mon Sep 17 00:00:00 2001
From: Vladimir Samoylenko <vlad@the-red-queen.net>
Date: Tue, 4 Dec 2018 23:25:39 +0200
Subject: [PATCH 1/2] Issue 71: Feature request: Shadow support for handles

---
 Example/RangeSliderDemo/ViewController.m |  8 +++++
 Pod/Classes/TTRangeSlider.h              | 11 +++++++
 Pod/Classes/TTRangeSlider.m              | 37 ++++++++++++++++++++++++
 3 files changed, 56 insertions(+)

diff --git a/Example/RangeSliderDemo/ViewController.m b/Example/RangeSliderDemo/ViewController.m
index 187e398..77ea5af 100644
--- a/Example/RangeSliderDemo/ViewController.m
+++ b/Example/RangeSliderDemo/ViewController.m
@@ -29,6 +29,10 @@ - (void)viewDidLoad {
     self.rangeSlider.maxValue = 200;
     self.rangeSlider.selectedMinimum = 50;
     self.rangeSlider.selectedMaximum = 150;
+    
+    self.rangeSlider.shadowRadius = 2;
+    self.rangeSlider.shadowOpacity = 0.75;
+    
     [self.rangeSlider addTarget:self action:@selector(logControlEvent:) forControlEvents:UIControlEventValueChanged];
     
     //currency range slider
@@ -58,6 +62,10 @@ - (void)viewDidLoad {
     NSNumberFormatter *customFormatter = [[NSNumberFormatter alloc] init];
     customFormatter.positiveSuffix = @"B";
     self.rangeSliderCustom.numberFormatterOverride = customFormatter;
+    
+    self.rangeSliderCustom.shadowRadius = 3;
+    self.rangeSliderCustom.shadowOpacity = 0.5;
+    
 }
 
 - (void)didReceiveMemoryWarning {
diff --git a/Pod/Classes/TTRangeSlider.h b/Pod/Classes/TTRangeSlider.h
index c823ebc..1d31deb 100644
--- a/Pod/Classes/TTRangeSlider.h
+++ b/Pod/Classes/TTRangeSlider.h
@@ -193,4 +193,15 @@ typedef NS_ENUM(NSInteger, LabelPosition) {
  */
 @property (nonatomic, assign) LabelPosition labelPosition;
 
+/**
+ *Set radius of the shadow for handle. Also used for setting shadow offset value
+ */
+
+@property (nonatomic, assign) IBInspectable CGFloat shadowRadius;
+
+/**
+ *Set the opacity of the shadow for handle
+ */
+@property (nonatomic, assign) IBInspectable float shadowOpacity;
+
 @end
diff --git a/Pod/Classes/TTRangeSlider.m b/Pod/Classes/TTRangeSlider.m
index e2149f6..b31db66 100644
--- a/Pod/Classes/TTRangeSlider.m
+++ b/Pod/Classes/TTRangeSlider.m
@@ -692,6 +692,43 @@ -(void)setBarSidePadding:(CGFloat)barSidePadding {
     [self updateLabelPositions];
 }
 
+- (void)setShadowRadius:(CGFloat)shadowRadius {
+    _shadowRadius = shadowRadius;
+    _shadowOpacity = 1.0;
+
+    [self.leftHandle removeFromSuperlayer];
+    
+    self.leftHandle.shadowOffset = CGSizeMake(0.0, self.shadowRadius);
+    self.leftHandle.shadowRadius = self.shadowRadius;
+    self.leftHandle.shadowColor = self.tintColor.CGColor;
+    
+    [self.layer addSublayer:self.rightHandle];
+    
+    self.rightHandle.shadowOffset = CGSizeMake(0.0, _shadowRadius);
+    self.rightHandle.shadowRadius = _shadowRadius;
+    self.rightHandle.shadowColor = self.tintColor.CGColor;
+    
+    [self.layer addSublayer:self.rightHandle];
+}
+
+- (void)setShadowOpacity:(float)shadowOpacity {
+    _shadowOpacity = shadowOpacity;
+    
+    [self.leftHandle removeFromSuperlayer];
+    
+    self.leftHandle.shadowOffset = CGSizeMake(0.0, self.shadowRadius);
+    self.leftHandle.shadowOpacity = self.shadowOpacity;
+    self.leftHandle.shadowColor = self.tintColor.CGColor;
+    
+    [self.layer addSublayer:self.rightHandle];
+    
+    self.rightHandle.shadowOffset = CGSizeMake(0.0, _shadowRadius);
+    self.rightHandle.shadowOpacity = _shadowOpacity;
+    self.rightHandle.shadowColor = self.tintColor.CGColor;
+    
+    [self.layer addSublayer:self.rightHandle];
+}
+
 #pragma mark - UIAccessibility
 
 - (BOOL)isAccessibilityElement

From d8c1d88340ca3c316c906da7c4b44044788a1e02 Mon Sep 17 00:00:00 2001
From: Vladimir Samoylenko <vlad@the-red-queen.net>
Date: Wed, 5 Dec 2018 20:14:22 +0200
Subject: [PATCH 2/2] Issue #45 : a) fixing issue 'divide by zero' b) added
 setters for enableStep & step c) refresh procedure is calling after values
 updated

---
 Pod/Classes/TTRangeSlider.m | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Pod/Classes/TTRangeSlider.m b/Pod/Classes/TTRangeSlider.m
index b31db66..fbba611 100644
--- a/Pod/Classes/TTRangeSlider.m
+++ b/Pod/Classes/TTRangeSlider.m
@@ -373,7 +373,7 @@ - (BOOL)beginTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event {
 
 - (void)refresh {
 
-    if (self.enableStep && self.step>=0.0f){
+    if (self.enableStep && self.step>0.0f){
         _selectedMinimum = roundf(self.selectedMinimum/self.step)*self.step;
         _selectedMaximum = roundf(self.selectedMaximum/self.step)*self.step;
     }
@@ -729,6 +729,18 @@ - (void)setShadowOpacity:(float)shadowOpacity {
     [self.layer addSublayer:self.rightHandle];
 }
 
+- (void)setEnableStep:(BOOL)enableStep {
+    _enableStep = enableStep;
+    
+    [self refresh];
+}
+
+- (void)setStep:(float)step {
+    _step = step;
+    
+    [self refresh];
+}
+
 #pragma mark - UIAccessibility
 
 - (BOOL)isAccessibilityElement