Merge pull request #4700 from GetBlast/revert_PR_4271_and_prevent_parent_scrollView_on_dragging

Revert #4271 and disable parent scroll view on dragging

Author: liuxuan30

Source/Charts/Charts/BarLineChartViewBase.swift

@@ -733,6 +733,10 @@ open class BarLineChartViewBase: ChartViewBase, BarLineScatterCandleBubbleChartD
                 // We will only handle highlights on NSUIGestureRecognizerState.Changed
 
                 _isDragging = false
+                
+                // Prevent the parent scroll view from scrolling
+                _outerScrollView?.nsuiIsScrollEnabled = false
+
             }
         }
         else if recognizer.state == NSUIGestureRecognizerState.changed
@@ -784,15 +788,15 @@ open class BarLineChartViewBase: ChartViewBase, BarLineScatterCandleBubbleChartD
                 }
 
                 _isDragging = false
-                
-                delegate?.chartViewDidEndPanning?(self)
             }
 
             if _outerScrollView !== nil
             {
                 _outerScrollView?.nsuiIsScrollEnabled = true
                 _outerScrollView = nil
             }
+
+            delegate?.chartViewDidEndPanning?(self)
         }
     }