protected void InitComponent()
{
options = new PieOptions
{
Title = new OptionsTitle
{
Display = false,
Text = ""
},
Legend = new Legend
{
Position = Position.Right,
Labels = new LegendLabelConfiguration
{
UsePointStyle = true
}
},
Responsive = true,
Animation = new ArcAnimation
{
AnimateRotate = true,
AnimateScale = true
}
};
dataset = new PieDataset
{
BackgroundColor = new[] { ColorUtil.RandomColorString(), ColorUtil.RandomColorString(), ColorUtil.RandomColorString(), ColorUtil.RandomColorString(), ColorUtil.RandomColorString() },
BorderWidth = 0,
HoverBackgroundColor = ColorUtil.RandomColorString(),
HoverBorderColor = ColorUtil.RandomColorString(),
HoverBorderWidth = 1,
BorderColor = "#ffffff",
};
config = new PieConfig();
}
public StackedPie()
{
InitializeComponent();
// load data from resource
var data = new CSVData();
using (Stream stream = Assembly.GetExecutingAssembly().
GetManifestResourceStream("ChartSamples.Resources.browsers.csv"))
{
data.Read(stream, false, false);
}
int len = data.Length;
var vdata = new VersionInfo[len];
for (int i = 0; i < len; i++)
{
vdata[i] = new VersionInfo()
{
Name = data[i, 0],
Version = data[i, 1],
Value = double.Parse(data[i, 2], CultureInfo.InvariantCulture)
};
}
chart.BeginUpdate();
chart.Data.ItemsSource = vdata;
chart.Data.ItemNameBinding = new Binding("Name");
chart.Aggregate = Aggregate.Sum;
// first series - total by browser
var ds1 = new DataSeries()
{
ValueBinding = new Binding("Value"),
PointLabelTemplate = (DataTemplate)Resources["lbl"],
};
ds1.PlotElementLoaded += (PlotElementLoaded);
chart.Data.Children.Add(ds1);
// second series - browser versions
var ds2 = new DataSeries()
{
ItemsSource = vdata, // own data source(no aggregates)
ValueBinding = new Binding("Value"),
PointLabelTemplate = (DataTemplate)Resources["lbl1"],
};
ds2.PlotElementLoaded += (PlotElementLoaded);
chart.Data.Children.Add(ds2);
// chart type and direction
chart.ChartType = ChartType.PieStacked;
PieOptions.SetDirection(chart, SweepDirection.Counterclockwise);
chart.EndUpdate();
}
public StackedPie()
{
InitializeComponent();
var data = new CSVData();
data.Read(ResKit.GetResource("browsers.csv"), false);
int len = data.Length;
var vdata = new VersionInfo[len];
for (int i = 0; i < len; i++)
{
vdata[i] = new VersionInfo()
{
Name = data[i, 0],
Version = data[i, 1],
Value = double.Parse(data[i, 2])
};
}
_chart.BeginUpdate();
_chart.Data.ItemsSource = vdata;
Binding bindingName = new Binding();
bindingName.Path = new PropertyPath("Name");
_chart.Data.ItemNameBinding = bindingName;
_chart.Aggregate = Aggregate.Sum;
// first series - total by browser
Binding valueBinding = new Binding();
valueBinding.Path = new PropertyPath("Value");
var ds1 = new DataSeries()
{
ValueBinding = valueBinding,
PointLabelTemplate = (DataTemplate)Resources["lbl"],
};
ds1.PlotElementLoaded += (PlotElementLoaded);
Canvas.SetZIndex(ds1, 1);
_chart.Data.Children.Add(ds1);
// second series - browser versions
Binding valueBinding2 = new Binding();
valueBinding2.Path = new PropertyPath("Value");
var ds2 = new DataSeries()
{
ItemsSource = vdata, // own data source(no aggregates)
ValueBinding = valueBinding2,
PointLabelTemplate = (DataTemplate)Resources["lbl1"],
};
ds2.PlotElementLoaded += (PlotElementLoaded);
_chart.Data.Children.Add(ds2);
// _chart type and direction
_chart.ChartType = ChartType.PieStacked;
PieOptions.SetDirection(_chart, SweepDirection.Counterclockwise);
// set palette
_palette.Add("Internet Explorer", Color.FromArgb(255, 214, 239, 255));
_palette.Add("Firefox", Color.FromArgb(255, 123, 211, 56));
_palette.Add("Chrome", Color.FromArgb(255, 239, 21, 123));
_palette.Add("Safari", Color.FromArgb(255, 255, 186, 0));
_palette.Add("Opera", Color.FromArgb(255, 0, 174, 222));
// find max version usage by browser
foreach (var key in _palette.Keys)
{
_maxs[key] = (from item in vdata where item.Name == key select item.Value).Max();
}
_chart.EndUpdate();
}