public PieChartPercentageCSharp()
{
// >> chart-piechart-percentage-csharp
var viewModel = new ViewModel();
var formatter = new PercentageLabelFormatter
{
BindingContext = viewModel
};
formatter.SetBinding(PercentageLabelFormatter.TotalProperty, "Total");
var chart = new RadPieChart
{
BindingContext = viewModel,
Series =
{
new PieSeries
{
ShowLabels = true,
RadiusFactor = 0.8,
ValueBinding = new PropertyNameDataPointBinding("Value"),
LabelFormatter = formatter
}
}
};
chart.Series[0].SetBinding(ChartSeries.ItemsSourceProperty, "Data");
// << chart-piechart-percentage-csharp
this.Content = chart;
}
public static void DispatchRunAnimations(RadChartBase chart)
{
IEnumerable <ChartSeries> series = null;
RadCartesianChart cartesianChart = chart as RadCartesianChart;
if (cartesianChart != null)
{
series = cartesianChart.Series;
}
RadPieChart pieChart = chart as RadPieChart;
if (pieChart != null)
{
series = pieChart.Series;
}
if (series.Any(s => (int)s.GetValue(ChartAnimationUtilities.RunningAnimationsCountProperty) > 0))
{
return;
}
foreach (ChartSeries s in series)
{
DispatchRunSeriesAnimations(s);
}
}
private void SetChartDimensions(RadPieChart chart)
{
if (this.RadMap1.ZoomLevel < 0)
return;
chart.Height = 10 * this.RadMap1.ZoomLevel;
chart.Width = 10 * this.RadMap1.ZoomLevel;
}
public PieChartCSharp()
{
// >> chart-piechart-csharp
var chart = new RadPieChart
{
BindingContext = new ViewModel(),
Series =
{
new PieSeries
{
ShowLabels = true,
RadiusFactor = 0.8,
ValueBinding = new PropertyNameDataPointBinding("Value")
}
}
};
chart.Series[0].SetBinding(ChartSeries.ItemsSourceProperty, "Data");
// << chart-piechart-csharp
this.Content = chart;
}
private View CreateChart()
{
var container = new StackLayout();
// >> chart-features-piechart-legend-definition-cs
var chart = new RadPieChart
{
BindingContext = new ViewModel(),
HeightRequest = 300
};
// >> chart-features-piechart-legendtitlebinding-cs
var series = new PieSeries
{
ValueBinding = new PropertyNameDataPointBinding("Value"),
DisplayName = "Value",
LegendTitleBinding = new PropertyNameDataPointBinding("Category")
};
// << chart-features-piechart-legendtitlebinding-cs
series.SetBinding(ChartSeries.ItemsSourceProperty, new Binding("Data1"));
chart.Series.Add(series);
var legend = new RadLegend
{
LegendProvider = chart,
HeightRequest = 200,
LegendItemFontColor = Color.DarkGreen,
LegendItemFontSize = 20
};
// << chart-features-piechart-legend-definition-cs
container.Children.Add(chart);
container.Children.Add(legend);
return(container);
}
private void InitializeChart(RadPieChart chart, Location location)
{
this.SetChartDimensions(chart);
randoms = new double[] { rand.Next(10000, 50000), rand.Next(10000, 50000), rand.Next(10000, 50000) };
double sum = randoms[0] + randoms[1] + randoms[2];
PieSeries series = new PieSeries() { ShowLabels = false };
series.ItemsSource = new double[] { randoms[0], randoms[1], randoms[2] };
chart.Series.Add(series);
chart.Palette = ChartPalettes.Windows8;
chart.SetValue(MapLayer.LocationProperty, location);
this.VisualizationLayer.Items.Add(chart);
HeaderedItemsControl legend = new HeaderedItemsControl();
this.InitializeMapLegend((int)((randoms[0] * 100) / sum), (int)((randoms[1] * 100) / sum), (int)((randoms[2] * 100) / sum), legend, legendLocations[i++]);
}
/// <summary>
/// Initializes a new instance of the RadPieChartAutomationPeer class.
/// </summary>
public RadPieChartAutomationPeer(RadPieChart owner)
: base(owner)
{
}
