private void Primary_LabelCreated(object sender, ChartAxisLabelEventArgs e)
{
DateTime baseDate = new DateTime(1899, 12, 30);
var date = baseDate.AddDays(e.Position);
if (date.Month != month)
{
ChartAxisLabelStyle labelStyle = new ChartAxisLabelStyle();
labelStyle.LabelFormat = "MMM-dd";
labelStyle.FontSize = 9;
labelStyle.FontAttributes = FontAttributes.Bold;
e.LabelStyle = labelStyle;
month = date.Month;
}
else
{
ChartAxisLabelStyle labelStyle = new ChartAxisLabelStyle();
labelStyle.LabelFormat = "dd";
e.LabelStyle = labelStyle;
if (Device.RuntimePlatform == Device.WPF)
{
labelStyle.FontSize = 12;
}
}
}
public StarsTrendsChart(IMainThread mainThread) : base(mainThread, TrendsPageAutomationIds.StarsChart)
{
var primaryAxisLabelStyle = new ChartAxisLabelStyle
{
FontSize = 9,
FontFamily = FontFamilyConstants.RobotoRegular,
Margin = new Thickness(2, 4, 2, 0)
}.DynamicResource(ChartLabelStyle.TextColorProperty, nameof(BaseTheme.ChartAxisTextColor));
var axisLineStyle = new ChartLineStyle()
{
StrokeWidth = 1.51
}.DynamicResource(ChartLineStyle.StrokeColorProperty, nameof(BaseTheme.ChartAxisLineColor));
PrimaryAxis = new DateTimeAxis
{
IntervalType = DateTimeIntervalType.Months,
Interval = 1,
RangePadding = DateTimeRangePadding.Round,
LabelStyle = primaryAxisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = new ChartAxisTickStyle {
StrokeColor = Color.Transparent
},
ShowMajorGridLines = false,
};
PrimaryAxis.SetBinding(DateTimeAxis.MinimumProperty, nameof(TrendsViewModel.MinDailyStarsDate));
PrimaryAxis.SetBinding(DateTimeAxis.MaximumProperty, nameof(TrendsViewModel.MaxDailyStarsDate));
var secondaryAxisMajorTickStyle = new ChartAxisTickStyle().DynamicResource(ChartAxisTickStyle.StrokeColorProperty, nameof(BaseTheme.ChartAxisLineColor));
var secondaryAxisLabelStyle = new ChartAxisLabelStyle
{
FontSize = 12,
FontFamily = FontFamilyConstants.RobotoRegular,
}.DynamicResource(ChartLabelStyle.TextColorProperty, nameof(BaseTheme.ChartAxisTextColor));
SecondaryAxis = new NumericalAxis
{
LabelStyle = secondaryAxisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = secondaryAxisMajorTickStyle,
ShowMajorGridLines = false,
}.Bind(NumericalAxis.MinimumProperty, nameof(TrendsViewModel.MinDailyStarsValue))
.Bind(NumericalAxis.MaximumProperty, nameof(TrendsViewModel.MaxDailyStarsValue))
.Bind(NumericalAxis.IntervalProperty, nameof(TrendsViewModel.StarsChartYAxisInterval));
StarsSeries = new TrendsAreaSeries(TrendsChartTitleConstants.StarsTitle, nameof(DailyStarsModel.LocalDay), nameof(DailyStarsModel.TotalStars), nameof(BaseTheme.CardStarsStatsIconColor));
StarsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyStarsList));
StarsSeries.PropertyChanged += HandleStarSeriesPropertyChanged;
Series = new ChartSeriesCollection {
StarsSeries
};
this.SetBinding(IsVisibleProperty, nameof(TrendsViewModel.IsStarsChartVisible));
}
private void Primary_LabelCreated(object sender, ChartAxisLabelEventArgs e)
{
DateTime baseDate = new DateTime(1899, 12, 30);
var date = baseDate.AddDays(e.Position);
if (date.Month != month)
{
ChartAxisLabelStyle labelStyle = new ChartAxisLabelStyle();
labelStyle.LabelFormat = "MMM-dd";
labelStyle.Font = Font.SystemFontOfSize(9, FontAttributes.Bold);
e.LabelStyle = labelStyle;
month = date.Month;
}
else
{
ChartAxisLabelStyle labelStyle = new ChartAxisLabelStyle();
labelStyle.LabelFormat = "dd";
e.LabelStyle = labelStyle;
}
}
public Chart()
{
Margin = 0;
ChartPadding = new Thickness(0, 24, 0, 4);
BackgroundColor = Color.Transparent;
AutomationId = TrendsPageAutomationIds.TrendsChart;
TotalViewsSeries = new TrendsAreaSeries(TrendsChartConstants.TotalViewsTitle, nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalViews), nameof(BaseTheme.TotalViewsColor));
TotalViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalViewsSeries.SetBinding(ChartSeries.IsVisibleProperty, nameof(TrendsViewModel.IsViewsSeriesVisible));
TotalUniqueViewsSeries = new TrendsAreaSeries(TrendsChartConstants.UniqueViewsTitle, nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalUniqueViews), nameof(BaseTheme.TotalUniqueViewsColor));
TotalUniqueViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalUniqueViewsSeries.SetBinding(ChartSeries.IsVisibleProperty, nameof(TrendsViewModel.IsUniqueViewsSeriesVisible));
TotalClonesSeries = new TrendsAreaSeries(TrendsChartConstants.TotalClonesTitle, nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalClones), nameof(BaseTheme.TotalClonesColor));
TotalClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
TotalClonesSeries.SetBinding(ChartSeries.IsVisibleProperty, nameof(TrendsViewModel.IsClonesSeriesVisible));
TotalUniqueClonesSeries = new TrendsAreaSeries(TrendsChartConstants.UniqueClonesTitle, nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalUniqueClones), nameof(BaseTheme.TotalUniqueClonesColor));
TotalUniqueClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
TotalUniqueClonesSeries.SetBinding(ChartSeries.IsVisibleProperty, nameof(TrendsViewModel.IsUniqueClonesSeriesVisible));
ChartBehaviors = new ChartBehaviorCollection
{
new ChartZoomPanBehavior(),
new ChartTrackballBehavior()
};
Series = new ChartSeriesCollection
{
TotalViewsSeries,
TotalUniqueViewsSeries,
TotalClonesSeries,
TotalUniqueClonesSeries,
};
var primaryAxisLabelStyle = new ChartAxisLabelStyle
{
FontSize = 9,
FontFamily = FontFamilyConstants.RobotoRegular,
Margin = new Thickness(2, 4, 2, 0)
};
primaryAxisLabelStyle.SetDynamicResource(ChartLabelStyle.TextColorProperty, nameof(BaseTheme.ChartAxisTextColor));
var axisLineStyle = new ChartLineStyle()
{
StrokeWidth = 1.51
};
axisLineStyle.SetDynamicResource(ChartLineStyle.StrokeColorProperty, nameof(BaseTheme.ChartAxisLineColor));
PrimaryAxis = new DateTimeAxis
{
AutomationId = TrendsPageAutomationIds.TrendsChartPrimaryAxis,
IntervalType = DateTimeIntervalType.Days,
Interval = 1,
RangePadding = DateTimeRangePadding.Round,
LabelStyle = primaryAxisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = new ChartAxisTickStyle {
StrokeColor = Color.Transparent
},
ShowMajorGridLines = false,
};
PrimaryAxis.SetBinding(DateTimeAxis.MinimumProperty, nameof(TrendsViewModel.MinDateValue));
PrimaryAxis.SetBinding(DateTimeAxis.MaximumProperty, nameof(TrendsViewModel.MaxDateValue));
var secondaryAxisMajorTickStyle = new ChartAxisTickStyle();
secondaryAxisMajorTickStyle.SetDynamicResource(ChartAxisTickStyle.StrokeColorProperty, nameof(BaseTheme.ChartAxisLineColor));
var secondaryAxisLabelStyle = new ChartAxisLabelStyle
{
FontSize = 12,
FontFamily = FontFamilyConstants.RobotoRegular,
};
secondaryAxisLabelStyle.SetDynamicResource(ChartLabelStyle.TextColorProperty, nameof(BaseTheme.ChartAxisTextColor));
SecondaryAxis = new NumericalAxis
{
AutomationId = TrendsPageAutomationIds.TrendsChartSecondaryAxis,
LabelStyle = secondaryAxisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = secondaryAxisMajorTickStyle,
ShowMajorGridLines = false
};
SecondaryAxis.SetBinding(NumericalAxis.MinimumProperty, nameof(TrendsViewModel.DailyViewsClonesMinValue));
SecondaryAxis.SetBinding(NumericalAxis.MaximumProperty, nameof(TrendsViewModel.DailyViewsClonesMaxValue));
}
public GitHubTrendsChart()
{
TotalViewsSeries = new TrendsAreaSeries("Views", nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalViews), ColorConstants.DarkestBlue);
TotalViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalUniqueViewsSeries = new TrendsAreaSeries("Unique Views", nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalUniqueViews), ColorConstants.MediumBlue);
TotalUniqueViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalClonesSeries = new TrendsAreaSeries("Clones", nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalClones), ColorConstants.DarkNavyBlue);
TotalClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
TotalUniqueClonesSeries = new TrendsAreaSeries("Unique Clones", nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalUniqueClones), ColorConstants.LightNavyBlue);
TotalUniqueClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
this.SetBinding(IsVisibleProperty, nameof(TrendsViewModel.IsChartVisible));
ChartBehaviors = new ChartBehaviorCollection
{
new ChartZoomPanBehavior(),
new ChartTrackballBehavior()
};
Series = new ChartSeriesCollection
{
TotalViewsSeries,
TotalUniqueViewsSeries,
TotalClonesSeries,
TotalUniqueClonesSeries
};
Legend = new ChartLegend
{
DockPosition = LegendPlacement.Bottom,
ToggleSeriesVisibility = true,
IconWidth = 20,
IconHeight = 20,
LabelStyle = new ChartLegendLabelStyle {
TextColor = ColorConstants.DarkNavyBlue
}
};
var axisLabelStyle = new ChartAxisLabelStyle
{
TextColor = ColorConstants.DarkNavyBlue,
FontSize = 14
};
var axisLineStyle = new ChartLineStyle {
StrokeColor = ColorConstants.LightNavyBlue
};
PrimaryAxis = new DateTimeAxis
{
IntervalType = DateTimeIntervalType.Days,
Interval = 1,
RangePadding = DateTimeRangePadding.Round,
LabelStyle = axisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = new ChartAxisTickStyle {
StrokeColor = Color.Transparent
},
ShowMajorGridLines = false
};
PrimaryAxis.SetBinding(DateTimeAxis.MinimumProperty, nameof(TrendsViewModel.MinDateValue));
PrimaryAxis.SetBinding(DateTimeAxis.MaximumProperty, nameof(TrendsViewModel.MaxDateValue));
SecondaryAxis = new NumericalAxis
{
LabelStyle = axisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = new ChartAxisTickStyle {
StrokeColor = ColorConstants.LightNavyBlue
},
ShowMajorGridLines = false
};
SecondaryAxis.SetBinding(NumericalAxis.MinimumProperty, nameof(TrendsViewModel.DailyViewsClonesMinValue));
SecondaryAxis.SetBinding(NumericalAxis.MaximumProperty, nameof(TrendsViewModel.DailyViewsClonesMaxValue));
BackgroundColor = Color.Transparent;
ChartPadding = new Thickness(0, 5, 0, 0);
Margin = Device.RuntimePlatform is Device.iOS ? new Thickness(0, 5, 0, 15) : new Thickness(0, 5, 0, 0);
}
public override View GetSampleContent(Context context)
{
var chart = new SfChart(context);
chart.Title.Text = "Food Production - 2017";
chart.SetBackgroundColor(Color.White);
chart.Scroll += (sender, e) =>
{
month = int.MaxValue;
};
DateTimeAxis dateTimeAxis = new DateTimeAxis();
dateTimeAxis.Title.Text = "Production Across Years";
dateTimeAxis.ZoomFactor = 0.2f;
dateTimeAxis.ZoomPosition = 0.6f;
dateTimeAxis.LabelCreated += (sender, e) =>
{
var date = DateTime.Parse(e.AxisLabel.LabelContent.ToString());
if (date.Month != month)
{
ChartAxisLabelStyle labelStyle = new ChartAxisLabelStyle();
labelStyle.LabelFormat = "MMM-dd";
labelStyle.TextSize = 9;
labelStyle.Typeface = Typeface.DefaultBold;
e.AxisLabel.LabelStyle = labelStyle;
month = date.Month;
}
else
{
ChartAxisLabelStyle labelStyle = new ChartAxisLabelStyle();
labelStyle.LabelFormat = "dd";
e.AxisLabel.LabelStyle = labelStyle;
}
};
dateTimeAxis.EdgeLabelsDrawingMode = EdgeLabelsDrawingMode.Shift;
chart.PrimaryAxis = dateTimeAxis;
var numericalAxis = new NumericalAxis();
numericalAxis.Title.Text = "Growth (In Metric Tons)";
chart.SecondaryAxis = numericalAxis;
FastLineSeries lineSeries = new FastLineSeries();
lineSeries.ColorModel.ColorPalette = ChartColorPalette.Natural;
lineSeries.ItemsSource = Data.GetDateTimeValue();
lineSeries.XBindingPath = "Date";
lineSeries.YBindingPath = "YValue";
lineSeries.TooltipEnabled = true;
chart.Series.Add(lineSeries);
ChartZoomPanBehavior zoomPan = new ChartZoomPanBehavior();
zoomPan.SelectionZoomingEnabled = false;
zoomPan.ZoomMode = ZoomMode.X;
chart.Behaviors.Add(zoomPan);
return(chart);
}
public GitHubTrendsChart()
{
AutomationId = TrendsPageAutomationIds.TrendsChart;
TotalViewsSeries = new TrendsAreaSeries("Views", nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalViews), nameof(BaseTheme.TotalViewsColor), TrendsPageAutomationIds.TotalViewsSeries);
TotalViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalUniqueViewsSeries = new TrendsAreaSeries("Unique Views", nameof(DailyViewsModel.LocalDay), nameof(DailyViewsModel.TotalUniqueViews), nameof(BaseTheme.TotalUniqueViewsColor), TrendsPageAutomationIds.TotalUniqueViewsSeries);
TotalUniqueViewsSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyViewsList));
TotalClonesSeries = new TrendsAreaSeries("Clones", nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalClones), nameof(BaseTheme.TotalClonesColor), TrendsPageAutomationIds.TotalClonesSeries);
TotalClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
TotalUniqueClonesSeries = new TrendsAreaSeries("Unique Clones", nameof(DailyClonesModel.LocalDay), nameof(DailyClonesModel.TotalUniqueClones), nameof(BaseTheme.TotalUniqueClonesColor), TrendsPageAutomationIds.TotalUniqueClonesSeries);
TotalUniqueClonesSeries.SetBinding(ChartSeries.ItemsSourceProperty, nameof(TrendsViewModel.DailyClonesList));
this.SetBinding(IsVisibleProperty, nameof(TrendsViewModel.IsChartVisible));
ChartBehaviors = new ChartBehaviorCollection
{
new ChartZoomPanBehavior(),
new ChartTrackballBehavior()
};
Series = new ChartSeriesCollection
{
TotalViewsSeries,
TotalUniqueViewsSeries,
TotalClonesSeries,
TotalUniqueClonesSeries
};
var chartLegendLabelStyle = new ChartLegendLabelStyle();
chartLegendLabelStyle.SetDynamicResource(ChartLegendLabelStyle.TextColorProperty, nameof(BaseTheme.ChartAxisTextColor));
Legend = new ChartLegend
{
AutomationId = TrendsPageAutomationIds.TrendsChartLegend,
DockPosition = LegendPlacement.Bottom,
ToggleSeriesVisibility = true,
IconWidth = 20,
IconHeight = 20,
LabelStyle = chartLegendLabelStyle
};
var axisLabelStyle = new ChartAxisLabelStyle
{
FontSize = 14
};
axisLabelStyle.SetDynamicResource(ChartAxisLabelStyle.TextColorProperty, nameof(BaseTheme.ChartAxisTextColor));
var axisLineStyle = new ChartLineStyle();
axisLineStyle.SetDynamicResource(ChartLineStyle.StrokeColorProperty, nameof(BaseTheme.ChartAxisLineColor));
PrimaryAxis = new DateTimeAxis
{
AutomationId = TrendsPageAutomationIds.TrendsChartPrimaryAxis,
IntervalType = DateTimeIntervalType.Days,
Interval = 1,
RangePadding = DateTimeRangePadding.Round,
LabelStyle = axisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = new ChartAxisTickStyle {
StrokeColor = Color.Transparent
},
ShowMajorGridLines = false
};
PrimaryAxis.SetBinding(DateTimeAxis.MinimumProperty, nameof(TrendsViewModel.MinDateValue));
PrimaryAxis.SetBinding(DateTimeAxis.MaximumProperty, nameof(TrendsViewModel.MaxDateValue));
var secondaryAxisMajorTickStyle = new ChartAxisTickStyle();
secondaryAxisMajorTickStyle.SetDynamicResource(ChartAxisTickStyle.StrokeColorProperty, nameof(BaseTheme.ChartAxisLineColor));
SecondaryAxis = new NumericalAxis
{
AutomationId = TrendsPageAutomationIds.TrendsChartSecondaryAxis,
LabelStyle = axisLabelStyle,
AxisLineStyle = axisLineStyle,
MajorTickStyle = secondaryAxisMajorTickStyle,
ShowMajorGridLines = false
};
SecondaryAxis.SetBinding(NumericalAxis.MinimumProperty, nameof(TrendsViewModel.DailyViewsClonesMinValue));
SecondaryAxis.SetBinding(NumericalAxis.MaximumProperty, nameof(TrendsViewModel.DailyViewsClonesMaxValue));
BackgroundColor = Color.Transparent;
ChartPadding = new Thickness(0, 5, 0, 0);
}