SfChart CreateChart(JournalMonth month)
{
_points = new ObservableCollection <ChartDataPoint>();
SfChart chart = new SfChart()
{
HeightRequest = 250
};
chart.Title.Text = "Monthly Emotion Overview";
PieSeries series = new PieSeries()
{
XBindingPath = "Emotion",
YBindingPath = "Value"
};
series.ColorModel.Palette = ChartColorPalette.Custom;
series.DataMarker = new ChartDataMarker();
series.DataMarkerPosition = CircularSeriesDataMarkerPosition.OutsideExtended;
series.DataMarker.LabelContent = LabelContent.Percentage;
series.ColorModel.CustomBrushes.Clear();
chart.Legend = new ChartLegend();
Emotion emotion = Emotion.None;
List <Emotion> emotions = DreamsAPI.GetEmotions();
for (int index = 0; index < emotions.Count; index++)
{
emotion = emotions[index];
List <DreamRecord> records = new List <DreamRecord>(from rec in month.Records
where rec.Emotion == emotion
select rec);
_points.Add(new ChartDataPoint(emotion.ToString(), records.Count));
series.ColorModel.CustomBrushes.Add(DreamsAPI.GetEmotionColor(emotion));
}
series.ItemsSource = _points;
chart.Series.Add(series);
return(chart);
}
SfChart CreateWeeklyChart()
{
FilterIntoEmotions();
SfChart chart = new SfChart()
{
HeightRequest = 250
};
chart.Title.Text = "Your Last Seven Days";
//Initializing Primary Axis
DateTimeAxis primaryAxis = new DateTimeAxis()
{
Interval = 1,
IntervalType = DateTimeIntervalType.Days,
ShowMajorGridLines = false,
ShowMinorGridLines = false
};
primaryAxis.LabelStyle.LabelFormat = "MMM dd";
primaryAxis.Title = new ChartAxisTitle()
{
Text = "Day",
};
chart.PrimaryAxis = primaryAxis;
//Initializing Secondary Axis
NumericalAxis secondaryAxis = new NumericalAxis()
{
Interval = 1,
ShowMinorGridLines = false
};
secondaryAxis.Title = new ChartAxisTitle()
{
Text = "Num. Dreams",
};
chart.SecondaryAxis = secondaryAxis;
chart.Legend = new ChartLegend();
foreach (KeyValuePair <Emotion, ObservableCollection <ChartDataPoint> > pair
in _seriesData)
{
StackingColumnSeries series = new StackingColumnSeries()
{
ItemsSource = pair.Value,
XBindingPath = "Day",
YBindingPath = "Value",
Color = DreamsAPI.GetEmotionColor(pair.Key),
Label = pair.Key.ToString()
};
chart.Series.Add(series);
}
return(chart);
}
