fix a crash while dataSetIndex < 0 and tries to highlight

CocoaBoy · Jun 15, 2015 · 24ec97f · 24ec97f
1 parent 266622e
commit 24ec97f
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/Charts/Classes/Charts/PieRadarChartViewBase.swift b/Charts/Classes/Charts/PieRadarChartViewBase.swift
@@ -13,7 +13,7 @@
 
 import Foundation
 import CoreGraphics
-import UIKit.UIGestureRecognizer
+import UIKit
 
 /// Base class of PieChartView and RadarChartView.
 public class PieRadarChartViewBase: ChartViewBase
@@ -753,6 +753,11 @@ public class PieRadarChartViewBase: ChartViewBase
                         dataSetIndex = ChartUtils.closestDataSetIndex(valsAtIndex, value: Double(distance / (self as! RadarChartView).factor), axis: nil);
                     }
 
+                    if (dataSetIndex < 0)
+                    {
+                        return;
+                    }
+
                     var h = ChartHighlight(xIndex: index, dataSetIndex: dataSetIndex);
 
                     if (_lastHighlight !== nil && h == _lastHighlight)