///selection parameter overrides the default
public static ITable <T> WithCellFunction <T>(this ITable <T> table, Func <ITable <T>, ConfiguredCellFunction <T> > config,
SummaryFunctionSelection selection)
{
var func = config(table);
return(table.WithCellFunction(func.Func, selection));
}
public ITable <TItem> WithCellFunction(Func <IEnumerable <TItem>, IEnumerable <TItem>, IEnumerable <TItem>, object> func,
SummaryFunctionSelection selection)
{
if ((selection & SummaryFunctionSelection.Cell) != 0)
{
cellFunc = (row, col, cell) => formatter.Format(func(row, col, cell));
}
if ((selection & SummaryFunctionSelection.Row) != 0)
{
if (func == null)
{
rowFunc = null;
}
else
{
rowFunc = (row, all) => formatter.Format(func(row, all, row));
}
}
if ((selection & SummaryFunctionSelection.Column) != 0)
{
if (func == null)
{
colFunc = null;
}
else
{
colFunc = (col, all) => formatter.Format(func(all, col, col));
}
}
if ((selection & SummaryFunctionSelection.LowerRight) != 0)
{
if (func == null)
{
allFunc = null;
}
else
{
allFunc = (all) => formatter.Format(func(all, all, all));
}
}
return(this);
}
public static ITable <T> WithCellFunction <T>(this ITable <T> table, Func <IEnumerable <T>, object> func,
SummaryFunctionSelection selection = SummaryFunctionSelection.All)
{
return(table.WithCellFunction((row, col, cell) => func(cell), selection));
}
public ConfiguredCellFunction(Func <IEnumerable <T>, IEnumerable <T>, IEnumerable <T>, string> func, SummaryFunctionSelection defaultSelection)
{
Func = func;
DefaultSelection = defaultSelection;
}
