From 9d145656150ef1a33338e3dcd916948d0274d921 Mon Sep 17 00:00:00 2001
From: Afonso Cavaco Neto <afonso.neto@inm.pt>
Date: Thu, 10 Mar 2016 10:58:50 +0000
Subject: [PATCH 1/3] highlightSectorAtIndex

highlightSectorAtIndex added
---
 PNChart/PNPieChart.h |  2 ++
 PNChart/PNPieChart.m | 79 +++++++++++++++++++++++---------------------
 2 files changed, 43 insertions(+), 38 deletions(-)

diff --git a/PNChart/PNPieChart.h b/PNChart/PNPieChart.h
index 204afb53..c539815b 100644
--- a/PNChart/PNPieChart.h
+++ b/PNChart/PNPieChart.h
@@ -65,4 +65,6 @@
 
 - (void)recompute;
 
+-(void)highlightSectorAtIndex:(NSInteger)index;
+
 @end
diff --git a/PNChart/PNPieChart.m b/PNChart/PNPieChart.m
index 07154677..12f553ed 100644
--- a/PNChart/PNPieChart.m
+++ b/PNChart/PNPieChart.m
@@ -307,52 +307,55 @@ - (void)didTouchAt:(CGPoint)touchLocation
         [self.delegate userClickedOnPieIndexItem:index];
     }
     
-    if (self.shouldHighlightSectorOnTouch)
+    if (self.shouldHighlightSectorOnTouch) {
+        [self highlightSectorAtIndex:index];
+       
+    }
+}
+
+-(void)highlightSectorAtIndex:(NSInteger)index {
+    if (!self.enableMultipleSelection) {
+        if (self.sectorHighlight)
+            [self.sectorHighlight removeFromSuperlayer];
+    }
+    
+    PNPieChartDataItem *currentItem = [self dataItemForIndex:index];
+    
+    CGFloat red,green,blue,alpha;
+    UIColor *old = currentItem.color;
+    [old getRed:&red green:&green blue:&blue alpha:&alpha];
+    alpha /= 2;
+    UIColor *newColor = [UIColor colorWithRed:red green:green blue:blue alpha:alpha];
+    
+    CGFloat startPercentage = [self startPercentageForItemAtIndex:index];
+    CGFloat endPercentage   = [self endPercentageForItemAtIndex:index];
+    
+    self.sectorHighlight = [self newCircleLayerWithRadius:_outerCircleRadius + 5
+                                              borderWidth:10
+                                                fillColor:[UIColor clearColor]
+                                              borderColor:newColor
+                                          startPercentage:startPercentage
+                                            endPercentage:endPercentage];
+    
+    if (self.enableMultipleSelection)
     {
-        if (!self.enableMultipleSelection)
+        NSString *dictIndex = [NSString stringWithFormat:@"%d", index];
+        CAShapeLayer *indexShape = [self.selectedItems valueForKey:dictIndex];
+        if (indexShape)
         {
-            if (self.sectorHighlight)
-                [self.sectorHighlight removeFromSuperlayer];
-        }
-        
-        PNPieChartDataItem *currentItem = [self dataItemForIndex:index];
-        
-        CGFloat red,green,blue,alpha;
-        UIColor *old = currentItem.color;
-        [old getRed:&red green:&green blue:&blue alpha:&alpha];
-        alpha /= 2;
-        UIColor *newColor = [UIColor colorWithRed:red green:green blue:blue alpha:alpha];
-        
-        CGFloat startPercentage = [self startPercentageForItemAtIndex:index];
-        CGFloat endPercentage   = [self endPercentageForItemAtIndex:index];
-        
-        self.sectorHighlight = [self newCircleLayerWithRadius:_outerCircleRadius + 5
-                                                  borderWidth:10
-                                                    fillColor:[UIColor clearColor]
-                                                  borderColor:newColor
-                                              startPercentage:startPercentage
-                                                endPercentage:endPercentage];
-        
-        if (self.enableMultipleSelection)
-        {
-            NSString *dictIndex = [NSString stringWithFormat:@"%d", index];
-            CAShapeLayer *indexShape = [self.selectedItems valueForKey:dictIndex];
-            if (indexShape)
-            {
-                [indexShape removeFromSuperlayer];
-                [self.selectedItems removeObjectForKey:dictIndex];
-            }
-            else
-            {
-                [self.selectedItems setObject:self.sectorHighlight forKey:dictIndex];
-                [_contentView.layer addSublayer:self.sectorHighlight];
-            }
+            [indexShape removeFromSuperlayer];
+            [self.selectedItems removeObjectForKey:dictIndex];
         }
         else
         {
+            [self.selectedItems setObject:self.sectorHighlight forKey:dictIndex];
             [_contentView.layer addSublayer:self.sectorHighlight];
         }
     }
+    else
+    {
+        [_contentView.layer addSublayer:self.sectorHighlight];
+    }
 }
 
 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

From e7deadf9b627a8336aa48e960b1842c84790471d Mon Sep 17 00:00:00 2001
From: Afonso Cavaco Neto <afonso.neto@inm.pt>
Date: Thu, 10 Mar 2016 12:47:11 +0000
Subject: [PATCH 2/3] Highlight Sector at index

Highlight Sector at index implemented
---
 PNChart/PNPieChart.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/PNChart/PNPieChart.h b/PNChart/PNPieChart.h
index c539815b..665c8653 100644
--- a/PNChart/PNPieChart.h
+++ b/PNChart/PNPieChart.h
@@ -65,6 +65,7 @@
 
 - (void)recompute;
 
+/** highlights sector **/
 -(void)highlightSectorAtIndex:(NSInteger)index;
 
 @end

From 0845b9de7eb0a41dce0f72e0178d0497cc1d96c2 Mon Sep 17 00:00:00 2001
From: Afonso Cavaco Neto <afonso.neto@inm.pt>
Date: Mon, 14 Mar 2016 14:31:06 +0000
Subject: [PATCH 3/3] remove un-selection on middle touch

remove un-selection on middle touch
---
 PNChart/PNPieChart.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PNChart/PNPieChart.m b/PNChart/PNPieChart.m
index 12f553ed..3850d325 100644
--- a/PNChart/PNPieChart.m
+++ b/PNChart/PNPieChart.m
@@ -293,7 +293,7 @@ - (void)didTouchAt:(CGPoint)touchLocation
         if ([self.delegate respondsToSelector:@selector(didUnselectPieItem)]) {
             [self.delegate didUnselectPieItem];
         }
-        [self.sectorHighlight removeFromSuperlayer];
+     //   [self.sectorHighlight removeFromSuperlayer];
         return;
     }