private void GridRowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
{
var rowBounds = new Rectangle(
RowHeadersWidth,
e.RowBounds.Top,
Columns.GetColumnsWidth(DataGridViewElementStates.Visible) - HorizontalScrollingOffset + 1,
e.RowBounds.Height);
int realIndex = _rowManager.RealIndex(e.RowIndex);
if (FeatureSet.FeatureSelected(realIndex))
{
e.PaintParts &= ~DataGridViewPaintParts.Background;
e.PaintHeader(false);
e.Graphics.FillRectangle(new SolidBrush(_selectionColor), rowBounds);
}
}
private void GridCellValueNeeded(object sender, DataGridViewCellValueEventArgs e)
{
int realIndex = RowManager.RealIndex(e.RowIndex);
e.Value = _table.CellValue(e.ColumnIndex, realIndex);
}
private void GridCellValuePushed(object sender, DataGridViewCellValueEventArgs e)
{
var s = e.Value as string;
int realIndex = RowManager.RealIndex(e.RowIndex);
var fld = _table.Fields[e.ColumnIndex];
if (s == null)
{
switch (fld.Type)
{
case AttributeType.String:
_table.EditCellValue(e.ColumnIndex, realIndex, string.Empty);
break;
case AttributeType.Integer:
_table.EditCellValue(e.ColumnIndex, realIndex, 0);
break;
case AttributeType.Double:
_table.EditCellValue(e.ColumnIndex, realIndex, 0.0);
break;
case AttributeType.Boolean:
_table.EditCellValue(e.ColumnIndex, realIndex, false);
break;
case AttributeType.Date:
_table.EditCellValue(e.ColumnIndex, realIndex, DateTime.MinValue);
break;
}
}
else
{
switch (fld.Type)
{
case AttributeType.String:
if (fld.Width < s.Length)
{
MessageService.Current.Info("The string is too long and will be truncated.");
s = s.Substring(0, fld.Width);
}
_table.EditCellValue(e.ColumnIndex, realIndex, s);
break;
case AttributeType.Integer:
{
if (int.TryParse(s, out int val))
{
_table.EditCellValue(e.ColumnIndex, realIndex, val);
}
else
{
MessageService.Current.Info("The string is not recognized as an integer value.");
}
}
break;
case AttributeType.Double:
{
if (double.TryParse(s, out double val))
{
_table.EditCellValue(e.ColumnIndex, realIndex, val);
}
else
{
MessageService.Current.Info(
"The string is not recognized as a floating point numeric value.");
}
}
break;
case AttributeType.Date:
{
if (DateTime.TryParse(s, out DateTime val))
{
_table.EditCellValue(e.ColumnIndex, realIndex, val);
}
else
{
MessageService.Current.Info(
"The string is not recognized as a date/time value.");
}
}
break;
case AttributeType.Boolean:
{
if (bool.TryParse(s, out bool val))
{
_table.EditCellValue(e.ColumnIndex, realIndex, val);
}
else
{
MessageService.Current.Info(
"The string is not recognized as a boolean value.");
}
}
break;
}
}
DelegateHelper.FireEvent(this, CellValueEdited);
}