From 57c3083f9fe359afb57811d126284c0f8cb97f09 Mon Sep 17 00:00:00 2001
From: "Chris \"koying\" Browet" <cbro@semperpax.com>
Date: Tue, 25 Jun 2019 19:49:10 +0200
Subject: [PATCH 1/2] CHG: [history widget] select last measurement initally

---
 lib/entity_widgets/history_chart/combined_history_chart.dart    | 2 +-
 .../history_chart/numeric_state_history_chart.dart              | 2 +-
 .../history_chart/simple_state_history_chart.dart               | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/entity_widgets/history_chart/combined_history_chart.dart b/lib/entity_widgets/history_chart/combined_history_chart.dart
index ac5ae8e..d352742 100644
--- a/lib/entity_widgets/history_chart/combined_history_chart.dart
+++ b/lib/entity_widgets/history_chart/combined_history_chart.dart
@@ -148,7 +148,7 @@ class _CombinedHistoryChartWidgetState extends State<CombinedHistoryChartWidget>
     });
 
     if ((_selectedId == -1) && (numericDataLists.isNotEmpty)) {
-      _selectedId = 0;
+      _selectedId = numericDataLists.length -1;
     }
     List<charts.Series<EntityHistoryMoment, DateTime>> result = [];
     numericDataLists.forEach((attrName, dataList) {
diff --git a/lib/entity_widgets/history_chart/numeric_state_history_chart.dart b/lib/entity_widgets/history_chart/numeric_state_history_chart.dart
index 8e6aaab..d854206 100644
--- a/lib/entity_widgets/history_chart/numeric_state_history_chart.dart
+++ b/lib/entity_widgets/history_chart/numeric_state_history_chart.dart
@@ -103,7 +103,7 @@ class _NumericStateHistoryChartWidgetState extends State<NumericStateHistoryChar
         id: widget.rawHistory.length
     ));
     if (_selectedId == -1) {
-      _selectedId = 0;
+      _selectedId = data.length - 1;
     }
     return [
       new charts.Series<EntityHistoryMoment, DateTime>(
diff --git a/lib/entity_widgets/history_chart/simple_state_history_chart.dart b/lib/entity_widgets/history_chart/simple_state_history_chart.dart
index 3868fb7..1a7b20a 100644
--- a/lib/entity_widgets/history_chart/simple_state_history_chart.dart
+++ b/lib/entity_widgets/history_chart/simple_state_history_chart.dart
@@ -101,7 +101,7 @@ class _SimpleStateHistoryChartWidgetState extends State<SimpleStateHistoryChartW
         colorId: data.last.colorId
     ));
     if (_selectedId == -1) {
-      _selectedId = 0;
+      _selectedId = data.length - 1;
     }
     return [
       new charts.Series<EntityHistoryMoment, DateTime>(

From 13102a6b048ad0e6fe9226cd7c212253f01e7f02 Mon Sep 17 00:00:00 2001
From: "Chris \"koying\" Browet" <cbro@semperpax.com>
Date: Thu, 27 Jun 2019 17:26:03 +0200
Subject: [PATCH 2/2] CHG: [history] wrap around

---
 .../history_chart/combined_history_chart.dart       | 11 +++++++++++
 .../history_chart/numeric_state_history_chart.dart  | 11 +++++++++++
 .../history_chart/simple_state_history_chart.dart   | 13 ++++++++++++-
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/lib/entity_widgets/history_chart/combined_history_chart.dart b/lib/entity_widgets/history_chart/combined_history_chart.dart
index d352742..785a227 100644
--- a/lib/entity_widgets/history_chart/combined_history_chart.dart
+++ b/lib/entity_widgets/history_chart/combined_history_chart.dart
@@ -202,6 +202,11 @@ class _CombinedHistoryChartWidgetState extends State<CombinedHistoryChartWidget>
         _selectedId -= 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = _parsedHistory.first.data.length - 1;
+      });
+    }
   }
 
   void _selectNext() {
@@ -210,6 +215,12 @@ class _CombinedHistoryChartWidgetState extends State<CombinedHistoryChartWidget>
         _selectedId += 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = 0;
+      });
+
+    }
   }
 
   void _onSelectionChanged(charts.SelectionModel model) {
diff --git a/lib/entity_widgets/history_chart/numeric_state_history_chart.dart b/lib/entity_widgets/history_chart/numeric_state_history_chart.dart
index d854206..8645a37 100644
--- a/lib/entity_widgets/history_chart/numeric_state_history_chart.dart
+++ b/lib/entity_widgets/history_chart/numeric_state_history_chart.dart
@@ -132,6 +132,11 @@ class _NumericStateHistoryChartWidgetState extends State<NumericStateHistoryChar
         _selectedId -= 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = _parsedHistory.first.data.length - 1;
+      });
+    }
   }
 
   void _selectNext() {
@@ -140,6 +145,12 @@ class _NumericStateHistoryChartWidgetState extends State<NumericStateHistoryChar
         _selectedId += 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = 0;
+      });
+
+    }
   }
 
   void _onSelectionChanged(charts.SelectionModel model) {
diff --git a/lib/entity_widgets/history_chart/simple_state_history_chart.dart b/lib/entity_widgets/history_chart/simple_state_history_chart.dart
index 1a7b20a..0e1cc6c 100644
--- a/lib/entity_widgets/history_chart/simple_state_history_chart.dart
+++ b/lib/entity_widgets/history_chart/simple_state_history_chart.dart
@@ -137,14 +137,25 @@ class _SimpleStateHistoryChartWidgetState extends State<SimpleStateHistoryChartW
         _selectedId -= 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = _parsedHistory.first.data.length - 1;
+      });
+    }
   }
 
   void _selectNext() {
-    if (_selectedId < (_parsedHistory.first.data.length - 2)) {
+    if (_selectedId < (_parsedHistory.first.data.length - 1)) {
       setState(() {
         _selectedId += 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = 0;
+      });
+
+    }
   }
 
   void _onSelectionChanged(charts.SelectionModel model) {