void OnLoadData4(object sender, RoutedEventArgs e)
{
Table tbl = Table.Create(ResKit.GetResource("成绩(交叉表).json"));
_chart.LoadTable(tbl, "姓名", new List <string> {
"语文", "数学", "外语"
});
}
void InitPrintInfo()
{
_printInfo.HeaderLeft = "<Ts><T Text=\"《:sheetname:》\" Bold=\"true\" Underline=\"true\" /><T Text=\" :date:\" Foreground=\"#FF4500\" /></Ts>";
_printInfo.HeaderCenter = "<Ts><T Text=\"标识\" Bold=\"true\" /><Img Width=\"30\" /></Ts>";
using (var stream = ResKit.GetResource("Logo.png"))
using (var sr = new StreamReader(stream))
{
byte[] img = new byte[stream.Length];
stream.Read(img, 0, (int)stream.Length);
_printInfo.HeaderCenterImage = img;
}
_printInfo.HeaderRight = "<Ts><T Text=\":num:/:cnt:\" Italic=\"true\" /></Ts>";
_printInfo.FooterRight = "<Ts><T Text=\":num:[:row:-:col:]\" /></Ts>";
_fv.Data = _printInfo;
}
async void OnLoadFile(object sender, RoutedEventArgs e)
{
var file = ((Button)sender).Tag.ToString();
using (var stream = ResKit.GetResource("Excel." + file))
{
if (file.EndsWith(".xlsx", StringComparison.OrdinalIgnoreCase))
{
await _excel.OpenExcel(stream);
}
else
{
await _excel.OpenXml(stream);
}
}
}
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();
}
void OnLoadData3(object sender, RoutedEventArgs e)
{
Table tbl = Table.Create(ResKit.GetResource("成绩(交叉表).json"));
_chart.LoadTable(tbl, "姓名", "语文");
}
void OnLoadData2(object sender, RoutedEventArgs e)
{
Table tbl = Table.Create(ResKit.GetResource("成绩.json"));
_chart.LoadMatrix(tbl, "subject", "xm", "score");
}
