Merge pull request #92 from lauffenp/master

Radar Chart Redraw Fix

Author: austinpray

lib/core.js

@@ -47,7 +47,10 @@ module.exports = {
         updatePoints(nextProps, chart, dataKey);
         if (chart.scale) {
           chart.scale.xLabels = nextProps.data.labels;
+           
+            if (chart.scale.calculateXLabelRotation){
           chart.scale.calculateXLabelRotation();
+            }
         }
         chart.update();
       }
@@ -108,6 +111,17 @@ var updatePoints = function(nextProps, chart, dataKey) {
     while(nextProps.data.length < chart.segments.length) {
       chart.removeData();
     }
+  } else if (name === "Radar") {
+      chart.removeData();
+      nextProps.data.datasets.forEach(function(set, setIndex) {
+      set.data.forEach(function(val, pointIndex) {
+        if (typeof(chart.datasets[setIndex][dataKey][pointIndex]) == "undefined") {
+          addData(nextProps, chart, setIndex, pointIndex);
+        } else {
+          chart.datasets[setIndex][dataKey][pointIndex].value = val;
+        }
+      });
+    });
   } else {
     while (chart.scale.xLabels.length > nextProps.data.labels.length) {
       chart.removeData();