private IndexList BuildSortIndex(SortColumnCollection col)
{
IndexList arrayList = new IndexList();
PropertyDescriptor[] sortProperties = BuildSortProperties(col);
for (int rowIndex = 0; rowIndex < this.baseList.Count; rowIndex++)
{
object rowItem = this.baseList[rowIndex];
object[] values = new object[col.Count];
// Hier bereits Wertabruf um dies nicht während des Sortierens tun zu müssen.
for (int criteriaIndex = 0; criteriaIndex < sortProperties.Length; criteriaIndex++)
{
object value = sortProperties[criteriaIndex].GetValue(rowItem);
// Hier auf Verträglichkeit testen um Vergleiche bei Sortierung zu vereinfachen.
// Muss IComparable und gleicher Typ sein.
if (value != null && value != DBNull.Value)
{
if (!(value is IComparable))
{
throw new InvalidOperationException("ReportDataSource:BuildSortArray - > This type doesn't support IComparable." + value.ToString());
}
values[criteriaIndex] = value;
}
}
arrayList.Add(new SortComparer(col, rowIndex, values));
}
if (arrayList[0].ObjectArray.GetLength(0) == 1)
{
List <BaseComparer> lbc = BaseListStrategy.GenericSorter(arrayList);
arrayList.Clear();
arrayList.AddRange(lbc);
}
else
{
arrayList.Sort();
}
return(arrayList);
}
private IndexList BuildSortIndex(Collection <AbstractColumn> col)
{
IndexList arrayList = new IndexList();
for (int rowIndex = 0; rowIndex < this.table.Rows.Count; rowIndex++)
{
DataRow rowItem = this.table.Rows[rowIndex];
object[] values = new object[col.Count];
for (int criteriaIndex = 0; criteriaIndex < col.Count; criteriaIndex++)
{
AbstractColumn c = (AbstractColumn)col[criteriaIndex];
object value = rowItem[c.ColumnName];
if (value != null && value != DBNull.Value)
{
if (!(value is IComparable))
{
throw new InvalidOperationException(value.ToString());
}
values[criteriaIndex] = value;
}
else
{
values[criteriaIndex] = DBNull.Value;
}
}
arrayList.Add(new SortComparer(col, rowIndex, values));
}
if (arrayList[0].ObjectArray.GetLength(0) == 1)
{
List <BaseComparer> lbc = BaseListStrategy.GenericSorter(arrayList);
arrayList.Clear();
arrayList.AddRange(lbc);
}
else
{
arrayList.Sort();
}
return(arrayList);
}