private static decimal GetSumOf(RenderContext context, BaseColumn c, Func <RenderContext, BaseColumn, bool> where)
{
if (!c.IsCrossColumn)
{
if (where == null || where (context, c))
{
return(Convert.ToDecimal(c.GetValueByContext(context)));
}
return(0);
}
var contexts = c.BaseCrossColumnDataSource.GetCrossColumnNames().Select(columnName => context.OtherColumns[columnName]);
var crossColumnNames = where == null
? contexts.ToList()
: contexts.Where(renderContext => where (renderContext, renderContext.Column)).ToList();
if (crossColumnNames.Count == 0)
{
return(0);
}
return(crossColumnNames.Sum(renderContext => Convert.ToDecimal(renderContext.Column.GetValue(renderContext))));
}
private object GetValue(RenderContext context)
{
cloneColumn.DependenceColumns(context, baseColumn);
return(baseColumn.GetValueByContext(context));
}
