Fix section with zero value problem in PieChart (disabled animation o…

…n changing value to zero and from zero), #817
imaNNeo · Dec 3, 2021 · be045fb · be045fb
1 parent c6e3951
commit be045fb
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Showing 2 changed files with 2 additions and 7 deletions.
diff --git a/lib/src/chart/pie_chart/pie_chart_data.dart b/lib/src/chart/pie_chart/pie_chart_data.dart
@@ -55,7 +55,8 @@ class PieChartData extends BaseChartData with EquatableMixin {
     double? startDegreeOffset,
     PieTouchData? pieTouchData,
     FlBorderData? borderData,
-  })  : sections = sections ?? const [],
+  })  : sections = sections?.where((element) => element.value != 0).toList() ??
+            const [],
         centerSpaceRadius = centerSpaceRadius ?? double.infinity,
         centerSpaceColor = centerSpaceColor ?? Colors.transparent,
         sectionsSpace = sectionsSpace ?? 2,

diff --git a/lib/src/chart/pie_chart/pie_chart_painter.dart b/lib/src/chart/pie_chart/pie_chart_painter.dart
@@ -98,9 +98,6 @@ class PieChartPainter extends BaseChartPainter<PieChartData> {
 
     for (var i = 0; i < data.sections.length; i++) {
       final section = data.sections[i];
-      if (section.value == 0) {
-        continue;
-      }
       final sectionDegree = sectionsAngle[i];
 
       final sectionRadiusRect = Rect.fromCircle(
@@ -248,9 +245,6 @@ class PieChartPainter extends BaseChartPainter<PieChartData> {
 
     for (var i = 0; i < data.sections.length; i++) {
       final section = data.sections[i];
-      if (section.value == 0) {
-        continue;
-      }
       final startAngle = tempAngle;
       final sweepAngle = 360 * (section.value / data.sumValue);
       final sectionCenterAngle = startAngle + (sweepAngle / 2);