/// <exclude/>
/// <summary>
/// </summary>
/// <param name="cellType"></param>
/// <exception cref="NotImplementedException"></exception>
DataControlFieldCell IHasCustomCells.CreateCell(DataControlCellType cellType)
{
switch (cellType)
{
case DataControlCellType.Header:
if (_headerRow == null)
{
_headerRow = new MatrixHeaderRow(this);
return(_headerRow);
}
return(new MatrixHeaderRowProxy(_headerRow));
case DataControlCellType.DataCell:
return(new MatrixRow(this));
case DataControlCellType.Footer:
return(_footerRow ?? (_footerRow = new MatrixRow(this)));
default:
throw new NotImplementedException();
}
}
public override void DataBind()
{
MatrixRow mr = (MatrixRow)this.Parent;
MatrixField mf = (MatrixField)mr.ContainingField;
Dictionary <string, object> dict = new Dictionary <string, object>(StringComparer.CurrentCultureIgnoreCase);
// Grid Row data item fields. Their values will get overwritten with more specific values below
// By returning these properties, we enable ItemTemplate to Eval row fields as well.
GridViewRow gridRow = (GridViewRow)this.NamingContainer;
ICustomTypeDescriptor custom = gridRow.DataItem as ICustomTypeDescriptor;
if (custom != null)
{
// Only add those properties which have not already been added
foreach (KeyValuePair <string, object> kvp in custom.GetProperties().Cast <PropertyDescriptor>()
.Select(p => new KeyValuePair <string, object>(p.Name, p.GetValue(custom))))
{
dict[kvp.Key] = kvp.Value;
}
}
// Header fields
for (int i = 0; i < mf.DataHeaderFields.Length; ++i)
{
dict[mf.DataHeaderFields[i]] = _dc.DataHeaderValues[i];
}
// Value fields
string formatString;
switch (gridRow.RowType)
{
case DataControlRowType.DataRow:
switch (_dc.MatrixColumn.ColumnType)
{
case MatrixColumnType.CellValue:
bool b = mf.CurCellValues.TryGetValue(_dc.DataHeaderValueIndex, out _values);
if (b)
{
if (_dc.MatrixColumn.DisplayColumnTotal)
{
_dc.UpdateColumnTotals(_values);
}
}
else
{
_values = new object[mf.DataCellFields.Length];
}
break;
case MatrixColumnType.RowTotal:
int[] rowTotalindexes = mf.DataCellFields
.Select((p, i) => _dc.MatrixColumn.DataCellFormatString.Contains("{" + i.ToString()) ? i : -1)
.Where(p => p >= 0).ToArray();
var query = from i in Enumerable.Range(0, mf.DataHeaderValues.Count)
where mf.CurCellValues.ContainsKey(i)
select mf.CurCellValues[i];
decimal?[] rowTotals = new decimal?[mf.DataCellFields.Length];
foreach (object[] val in query)
{
foreach (int index in rowTotalindexes)
{
if (!Convert.IsDBNull(val[index]))
{
decimal d = Convert.ToDecimal(val[index]);
rowTotals[index] = (rowTotals[index] ?? 0) + d;
}
}
}
_values = rowTotals.Cast <object>().ToArray();
if (_dc.MatrixColumn.DisplayColumnTotal)
{
_dc.UpdateColumnTotals(_values);
}
break;
default:
throw new NotImplementedException();
}
if (_dc.MatrixColumn.ItemTemplate == null)
{
formatString = this.DisplayColumn.MatrixColumn.DataCellFormatString;
}
else
{
formatString = null;
}
break;
case DataControlRowType.Footer:
_values = _dc.ColumnTotal.Cast <object>().ToArray();
formatString = this.DisplayColumn.MatrixColumn.ColumnTotalFormatString;
break;
default:
throw new NotImplementedException();
}
for (int i = 0; i < mf.DataCellFields.Length; ++i)
{
dict[mf.DataCellFields[i]] = _values[i];
}
_coll = new PropertyDescriptorCollection(
dict.Select(p => new KeyValuePropertyDescriptor(p.Key, p.Value)).ToArray()
);
if (!string.IsNullOrEmpty(formatString))
{
// This means that no template has been specified
try
{
this.Text = string.Format(formatString, _values);
}
catch (FormatException)
{
// Show diagnostic
string msg = string.Format("Format string: {0}; Cell Fields: {1}",
formatString, string.Join(", ", mf.DataCellFields));
throw new FormatException(msg);
}
}
base.DataBind();
// Save memory. Coll is no longer needed
// Sharad 15 Jun 2011: _coll cannot be made null because app code might be needing it
// during the RowDataBound event of the grid.
//_coll = null;
}
