internal void FireDisplayGroup(GroupDisplayEventArgs e)
{
if (DisplayGroup != null)
{
DisplayGroup(this, e);
}
}
GroupDisplayEventArgs GetDisplayValues(DataGridViewRowPrePaintEventArgs pe)
{
IGroupRow row = source[pe.RowIndex] as IGroupRow;
GroupDisplayEventArgs e = new GroupDisplayEventArgs(row, source.GroupOn);
bool selected = selectedrows.Contains(pe.RowIndex);
e.Selected = selected;
e.BackColor = selected ? grid.DefaultCellStyle.SelectionBackColor : grid.DefaultCellStyle.BackColor;
e.ForeColor = selected ? grid.DefaultCellStyle.SelectionForeColor : grid.DefaultCellStyle.ForeColor;
e.Font = pe.InheritedRowStyle.Font;
if (showcount)
{
e.Summary = "(" + row.Count + ")";
}
if (showheader)
{
e.Header = source.GroupOn.ToString();
}
e.GroupingInfo.SetDisplayValues(e);
if (e.Cancel)
{
return(null);
}
if (DisplayGroup != null)
{
DisplayGroup(this, e);
if (e.Cancel)
{
return(null);
}
}
return(e);
}
public GroupDisplayEventArgs GetDisplayInfo(bool selected)
{
GroupDisplayEventArgs e = new GroupDisplayEventArgs(this, Owner.Source.GroupOn);
e.Selected = selected;
SetDisplayInfo(e);
if (e.Cancel)
{
return(null);
}
Owner.Source.FireDisplayGroup(e);
return(e);
}
protected virtual void SetDisplayInfo(GroupDisplayEventArgs e)
{
var grid = Owner.Source.Grid;
if (grid != null)
{
e.BackColor = e.Selected ? grid.DefaultCellStyle.SelectionBackColor : grid.DefaultCellStyle.BackColor;
e.ForeColor = e.Selected ? grid.DefaultCellStyle.SelectionForeColor : grid.DefaultCellStyle.ForeColor;
}
var o = Owner.Source.Options;
if (o.ShowCount)
{
e.Summary = "(" + Count + ")";
}
if (o.ShowGroupName)
{
e.Header = e.GroupingInfo.ToString();
}
e.GroupingInfo.SetDisplayValues(e);
}
public override void SetDisplayValues(GroupDisplayEventArgs e)
{
base.SetDisplayValues(e);
if (Mode == DateTimeGrouping.Date)
{
e.DisplayValue = ((DateTime)e.Value).ToShortDateString();
}
else if (e.Value is int)
{
int i = (int)e.Value;
string value = null;
if (set(DateTimeGrouping.Year))
{
value = "Year: " + i / 10000;
}
if (set(DateTimeGrouping.Month))
{
if (value != null)
{
value += ", ";
}
int m = (i / 100) % 100;
value += System.Globalization.DateTimeFormatInfo.CurrentInfo.GetMonthName(m);
}
if (set(DateTimeGrouping.Day) || set(DateTimeGrouping.WeekDay))
{
if (value != null)
{
value += ", ";
}
int d = i % 10000;
value += set(DateTimeGrouping.WeekDay)
? System.Globalization.DateTimeFormatInfo.CurrentInfo.GetDayName((DayOfWeek)d)
: "Day: " + d;
}
e.DisplayValue = value;
}
}
public virtual void SetDisplayValues(GroupDisplayEventArgs e)
{
var o = e.Value;
e.DisplayValue = o == null ? "<Null>" : o.ToString();
}
protected override void SetDisplayInfo(GroupDisplayEventArgs e)
{
base.SetDisplayInfo(e);
e.Header = "New Rows";
e.DisplayValue = null;
}
