private BurndownChartWizard(IChartSpace chartSpace, BurndownChartData data, CartesianAxes axes, IBarChart barChart, ILineChart lineChart)
{
this.chartSpace = chartSpace;
this.data = data;
this.axes = axes;
this.barChart = barChart;
this.lineChart = lineChart;
}
public static BurndownChartWizard BuildBurndownChart(IChartSpace chartSpace, BurndownChartData data)
{
using (ISpreadsheetDocument spreadsheet = chartSpace.OpenSpreadsheetDocument())
{
IWorksheet seriesSheet = spreadsheet.Workbook.AppendWorksheet("Series");
IWorksheet connectorSheet = spreadsheet.Workbook.AppendWorksheet("Connector");
double total = data.Categories.Sum(c => c.Series.Sum(s => s.Value));
seriesSheet.Cells[0, 1].SetValue("Offset");
seriesSheet.Cells[0, 2].SetValue("Total");
seriesSheet.Cells[1, 0].SetValue("Total");
connectorSheet.Cells[1, 0].SetValue("Total");
seriesSheet.Cells[1, 1].SetValue(0);
seriesSheet.Cells[1, 2].SetValue(total);
double offset = total;
uint column = 2;
uint seriesRow = 3;
uint connectorRow = 1;
foreach (BurndownChartCategory category in data.Categories)
{
// set name of category
seriesSheet.Cells[column, 0].SetValue(category.Name);
connectorSheet.Cells[column, 0].SetValue(category.Name);
// set connector of category
connectorSheet.Cells[column - 1, connectorRow].SetValue(offset);
connectorSheet.Cells[column, connectorRow].SetValue(offset);
// set offset of category
offset -= category.Series.Sum(s => s.Value);
seriesSheet.Cells[column, 1].SetValue(offset);
uint seriesIdx = 0;
uint seriesCount = (uint)category.Series.Length;
foreach (BurndownChartSeries series in category.Series)
{
// set name of series
seriesSheet.Cells[0, seriesRow + seriesCount - seriesIdx - 1].SetValue(series.Name);
// set value of series
seriesSheet.Cells[column, seriesRow + seriesCount - seriesIdx - 1].SetValue(Math.Abs(series.Value));
++seriesIdx;
}
seriesRow += (uint)category.Series.Length;
++connectorRow;
++column;
}
CartesianAxes axes = chartSpace.AppendCartesianAxes();
ILineChart lineChart = chartSpace.InsertLineChart(axes)
.InitializeFromRange(connectorSheet.GetRange(0, 1, 0, connectorRow - 1), connectorSheet.GetRange(1, 0, column - 1, 0));
IBarChart barChart = chartSpace.InsertBarChart(axes)
.InitializeFromRange(seriesSheet.GetRange(0, 1, 0, seriesRow - 1), seriesSheet.GetRange(1, 0, column - 1, 0))
.SetDirection(BarChartDirection.Column)
.SetGrouping(BarChartGrouping.Stacked)
.SetOverlap(1.0);
// hide offset series
barChart.Series[0].Style.SetNoFill();
if (data.TotalCallback != null)
{
data.TotalCallback(barChart.Series[1].Values[1]);
}
int valueIndex = 1;
int seriesIndex = 2;
foreach (BurndownChartCategory category in data.Categories)
{
int seriesIdx = 0;
foreach (BurndownChartSeries series in category.Series)
{
if (series.Callback != null)
{
IBarChartSeries s = barChart.Series[seriesIndex + category.Series.Length - seriesIdx - 1];
series.Callback(s.Values[valueIndex]);
}
++seriesIdx;
}
seriesIndex += category.Series.Length;
++valueIndex;
}
axes.CategoryAxis
.Text.SetFontSize(6)
.MajorGridlines.Remove();
axes.ValueAxis
.SetVisibility(false)
.MajorGridlines.Remove();
return(new BurndownChartWizard(chartSpace, data, axes, barChart, lineChart));
}
}
public static BurndownChartWizard BuildBurndownChart(this IChartSpace chartSpace, BurndownChartData data)
{
return(BurndownChartWizard.BuildBurndownChart(chartSpace, data));
}
