Changed Graph Tooltip text

lib/Widgets/flood_station_list_view.dart

@@ -11,7 +11,11 @@ class FloodStationListView extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ListView.builder(
+    return ListView.separated(
+      separatorBuilder: (context, index) => Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 15.0),
+        child: Divider(),
+      ),
       itemBuilder: (context, index) {
         final item = _stations.elementAt(index);
         return ListTile(

lib/Widgets/reading_graph.dart

@@ -12,10 +12,6 @@ class ReadingGraph extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if (_readings.isEmpty) {
-      return Text('No readings on record.');
-    }
-
     final spots = _readings
         .map<FlSpot>(
           (e) => FlSpot(
@@ -46,36 +42,53 @@ class ReadingGraph extends StatelessWidget {
         ],
         titlesData: FlTitlesData(
           bottomTitles: getBottomTitles(spots),
+          leftTitles: getLeftTitles(spots),
           topTitles: const AxisTitles(sideTitles: SideTitles()),
           rightTitles: const AxisTitles(sideTitles: SideTitles()),
         ),
+        lineTouchData: LineTouchData(
+          touchTooltipData: LineTouchTooltipData(
+            getTooltipItems: (touchedSpots) {
+              return touchedSpots.map((touchedSpot) {
+                return LineTooltipItem(
+                    '${touchedSpot.y.toString()}\n${getLongDate(touchedSpot.x)}',
+                    TextStyle(
+                        color: Theme.of(context).colorScheme.onPrimary,
+                        fontWeight: FontWeight.bold));
+              }).toList();
+            },
+          ),
+        ),
       ),
     );
   }
 
   AxisTitles getBottomTitles(List<FlSpot> spots) {
-    final maxX = double.parse(
-        spots.map<double>((e) => (e.x)).reduce(max).toStringAsFixed(0));
-    final minX = double.parse(
-        spots.map<double>((e) => e.x).reduce(min).toStringAsFixed(0));
-    final middle =
-        double.parse(spots[spots.length ~/ 2].x.toStringAsFixed(0)) + 4;
-
     return AxisTitles(
       sideTitles: SideTitles(
-        interval: 1,
+        interval: 90,
+        reservedSize: 40,
         showTitles: true,
-        getTitlesWidget: (value, meta) {
+        maxIncluded: false,
-          String text = '';
+        getTitlesWidget: (value, meta) => SideTitleWidget(
-          if (value == maxX) {
+          meta: meta,
-            text = getDate(spots.first.x);
+          child: Text(getDate(value)),
-          } else if (double.parse(value.toStringAsFixed(0)) == minX) {
+        ),
-            text = getDate(spots.last.x);
+      ),
-          } else if (value == middle) {
+    );
-            text = getDate(middle);
   }
-          return Text(text);
+
-        },
+  AxisTitles getLeftTitles(List<FlSpot> spots) {
+    return AxisTitles(
+      sideTitles: SideTitles(
+        reservedSize: 50,
+        showTitles: true,
+        maxIncluded: false,
+        minIncluded: false,
+        getTitlesWidget: (value, meta) => SideTitleWidget(
+          meta: meta,
+          child: Text(value.toStringAsFixed(2)),
+        ),
       ),
     );
   }
@@ -85,4 +98,18 @@ class ReadingGraph extends StatelessWidget {
     return hmFormat.format(
         DateTime.fromMillisecondsSinceEpoch((value * 1000 * 60).toInt()));
   }
+
+  String getLongDate(double value) {
+    DateTime date =
+        DateTime.fromMillisecondsSinceEpoch((value * 1000 * 60).toInt());
+    int daysDifference = (DateTime.now().weekday - date.weekday + 7) % 7;
+
+    if (daysDifference == 0) {
+      return 'Today ${intl.DateFormat('Hm').format(date)}';
+    } else if (daysDifference == 1) {
+      return 'Yesterday ${intl.DateFormat('Hm').format(date)}';
+    }
+
+    return intl.DateFormat('yyyy-MM-dd H:m').format(date);
+  }
 }

lib/pages/flood_station_page.dart

@@ -19,21 +19,21 @@ class FloodStationPage extends StatelessWidget {
           future: Api.fetchReadingsFromStation(_floodStation.id),
           builder: (context, snapshot) {
             if (snapshot.hasData) {
-              return ReadingGraph(
+              if (snapshot.data!.isEmpty) {
+                return Center(child: Text('No readings on record.'));
+              }
+              return Center(
+                child: Padding(
+                  padding: const EdgeInsets.fromLTRB(20, 0, 20, 20),
+                  child: ReadingGraph(
                     readings: snapshot.data!,
+                  ),
+                ),
               );
-
+            } else if (snapshot.hasError) {
-              // return ListView.builder(
+              return Center(child: Text('An unknown Error occured'));
-              //   itemBuilder: (context, index) {
-              //     return ListTile(
-              //       title:
-              //           Text(snapshot.data!.elementAt(index).value.toString()),
-              //     );
-              //   },
-              //   itemCount: snapshot.data!.length,
-              // );
             } else {
-              return Placeholder();
+              return Center(child: CircularProgressIndicator());
             }
           }),
     );