Workout details: add power chart support

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/workouts/charts/DefaultWorkoutCharts.java

@@ -7,6 +7,7 @@ import static nodomain.freeyourgadget.gadgetbridge.model.ActivitySummaryEntries.
 import static nodomain.freeyourgadget.gadgetbridge.model.ActivitySummaryEntries.UNIT_MINUTES_PER_KM;
 import static nodomain.freeyourgadget.gadgetbridge.model.ActivitySummaryEntries.UNIT_SECONDS_PER_KM;
 import static nodomain.freeyourgadget.gadgetbridge.model.ActivitySummaryEntries.UNIT_SPM;
+import static nodomain.freeyourgadget.gadgetbridge.model.ActivitySummaryEntries.UNIT_WATT;
 
 import android.content.Context;
 
@@ -47,6 +48,7 @@ public class DefaultWorkoutCharts {
         final List<Entry> speedDataPoints = new ArrayList<>();
         final List<Entry> cadenceDataPoints = new ArrayList<>();
         final List<Entry> elevationDataPoints = new ArrayList<>();
+        final List<Entry> powerDataPoints = new ArrayList<>();
         boolean hasSpeedValues = false;
         boolean hasCadenceValues = false;
         boolean hasElevationValues = false;
@@ -82,6 +84,9 @@ public class DefaultWorkoutCharts {
             if (!hasCadenceValues && point.getCadence() > 0) {
                 hasCadenceValues = true;
             }
+            if (point.getPower() >= 0) {
+                powerDataPoints.add(new Entry(tsShorten, (float) point.getPower()));
+            }
         }
 
         if (!heartRateDataPoints.isEmpty()) {
@@ -100,6 +105,10 @@ public class DefaultWorkoutCharts {
             charts.add(createElevationChart(context, elevationDataPoints));
         }
 
+        if (!powerDataPoints.isEmpty()) {
+            charts.add(createPowerChart(context, powerDataPoints));
+        }
+
         return charts;
     }
 
@@ -201,6 +210,19 @@ public class DefaultWorkoutCharts {
         );
     }
 
+    private static WorkoutChart createPowerChart(final Context context,
+                                                     final List<Entry> powerDataPoints) {
+        final String label = String.format("%s (%s)", context.getString(R.string.workout_power), getUnitString(context, UNIT_WATT));
+        LineDataSet dataset = createLineDataSet(context, powerDataPoints, label, context.getResources().getColor(R.color.chart_line_power));
+        final ValueFormatter integerFormatter = new ValueFormatter() {
+            @Override
+            public String getFormattedValue(float value) {
+                return String.valueOf((int) value);
+            }
+        };
+        return new WorkoutChart("power", context.getString(R.string.workout_power), ActivitySummaryEntries.GROUP_POWER, new LineData(dataset), integerFormatter, getUnitString(context, UNIT_WATT));
+    }
+
     public static String getUnitString(final Context context, final String unit) {
         final int resId = context.getResources().getIdentifier(unit, "string", context.getPackageName());
         if (resId != 0) {

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/ActivityPoint.java

@@ -41,6 +41,7 @@ public class ActivityPoint {
     private int heartRate;
     private float speed = -1;
     private int cadence = -1;
+    private int power = -1;
 
     // e.g. to describe a pause during the activity
     private @Nullable String description;
@@ -100,4 +101,12 @@ public class ActivityPoint {
     public void setCadence(final int cadence) {
         this.cadence = cadence;
     }
+
+    public int getPower() {
+        return power;
+    }
+
+    public void setPower(final int power) {
+        this.power = power;
+    }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/garmin/fit/messages/FitRecord.java

@@ -347,6 +347,9 @@ public class FitRecord extends RecordData {
         if (getCadence() != null) {
             activityPoint.setCadence(getCadence());
         }
+        if (getPower() != null) {
+            activityPoint.setPower(getPower());
+        }
         return activityPoint;
     }
 }

app/src/main/res/values/colors.xml

@@ -93,6 +93,7 @@
     <color name="chart_line_speed" type="color">#80D8FF</color>
     <color name="chart_line_elevation" type="color">#66BB6A</color>
     <color name="chart_line_heart_rate" type="color">#F44336</color>
+    <color name="chart_line_power" type="color">#6A0DAD</color>
     <color name="chart_highline_dolor" type="color">#ffff8800</color>
 
     <attr name="row_separator" format="color" />