custom yAxis name for AreaLineChart

JacobJust · May 29, 2022 · a2d8c76 · a2d8c76
1 parent 49bc505
commit a2d8c76
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/example/lib/main.dart b/example/lib/main.dart
@@ -50,6 +50,7 @@ class _MyHomePageState extends State<MyHomePage> with FakeChartSeries {
     } else {
       chart = AreaLineChart.fromDateTimeMaps(
           [line1], [Colors.red.shade900], ['C'],
+          yAxisName: "Temperature",
           gradients: [Pair(Colors.yellow.shade400, Colors.red.shade700)]);
     }
     final ButtonStyle flatButtonStyle = TextButton.styleFrom(

diff --git a/lib/chart/area_line_chart.dart b/lib/chart/area_line_chart.dart
@@ -8,24 +8,27 @@ import 'package:flutter/rendering.dart';
 class AreaLineChart extends LineChart {
   Map<int, Path> _areaPathMap = Map();
   final FontWeight? tapTextFontWeight;
-
+  final String? yAxisName;
   final List<Pair<Color, Color>>? _gradients;
 
   AreaLineChart(List<ChartLine> lines, Dates fromTo, this._gradients,
-      {this.tapTextFontWeight})
-      : super(lines, fromTo, tapTextFontWeight: tapTextFontWeight);
+      {this.tapTextFontWeight, this.yAxisName})
+      : super(lines, fromTo,
+            tapTextFontWeight: tapTextFontWeight, yAxisName: yAxisName);
 
   factory AreaLineChart.fromDateTimeMaps(List<Map<DateTime, double>> series,
       List<Color> colors, List<String> units,
-      {List<Pair<Color, Color>>? gradients, FontWeight? tapTextFontWeight}) {
+      {List<Pair<Color, Color>>? gradients,
+      FontWeight? tapTextFontWeight,
+      String? yAxisName}) {
     assert(series.length == colors.length);
     assert(series.length == units.length);
 
     Pair<List<ChartLine>, Dates> convertFromDateMaps =
         DateTimeSeriesConverter.convertFromDateMaps(series, colors, units);
     return AreaLineChart(
         convertFromDateMaps.left, convertFromDateMaps.right, gradients,
-        tapTextFontWeight: tapTextFontWeight);
+        tapTextFontWeight: tapTextFontWeight, yAxisName: yAxisName);
   }
 
   List<Pair<Color, Color>>? get gradients => _gradients;