/// <summary>
/// Event fired when a user clicks a column button (Sort Button) in the listUsers control.
/// This method toggles the sort direction for each column in each list mode.
/// </summary>
private void listUsers_ColumnClick(object sender, ColumnClickEventArgs e)
{
ULColumnType selColumn = (ULColumnType)listUsers.Columns[e.Column].Tag;
if (CurrentSortDirection[CurrentListSource] == ULSortDirection.Ascending)
{
CurrentSortDirection[CurrentListSource] = ULSortDirection.Descending;
}
else if (CurrentSortDirection[CurrentListSource] == ULSortDirection.Descending)
{
CurrentSortDirection[CurrentListSource] = ULSortDirection.Ascending;
}
if (CurrentSortColumn[CurrentListSource] != selColumn)
{
CurrentSortDirection[CurrentListSource] = ULSortDirection.Descending;
}
CurrentSortColumn[CurrentListSource] = selColumn;
listUsers.SetRows(CurrentUserRows, CurrentSortColumn[CurrentListSource], CurrentSortDirection[CurrentListSource]);
}
public static void SetRows(this ListView Owner, UserRows Rows, ULColumnType SortColumn = ULColumnType.Tag, ULSortDirection SortDirection = ULSortDirection.Ascending)
{
Owner.BeginUpdate();
Owner.SuspendLayout();
Owner.Items.Clear();
foreach (ColumnHeader colHead in Owner.Columns)
{
ULColumnType colType = (ULColumnType)colHead.Tag;
string arrow = "";
if (colType == SortColumn)
{
if (SortDirection == ULSortDirection.Ascending)
{
arrow = " ↑";
}
if (SortDirection == ULSortDirection.Descending)
{
arrow = " ↓";
}
}
colHead.Text = CurrentHeaderRow[colType] + arrow;
}
if (Rows != null)
{
Rows.Sort(delegate(UserRow x, UserRow y) {
if (!x.ContainsKey(SortColumn) && !y.ContainsKey(SortColumn))
{
return(0);
}
if (!x.ContainsKey(SortColumn) || x[SortColumn] == null)
{
return(-1);
}
if (!y.ContainsKey(SortColumn) || y[SortColumn] == null)
{
return(1);
}
if (x[SortColumn] == y[SortColumn])
{
return(0);
}
long intX, intY = 0;
if (long.TryParse(x[SortColumn], out intX) && long.TryParse(y[SortColumn], out intY))
{
if (intX > intY)
{
return(-1);
}
if (intX < intY)
{
return(1);
}
}
return(x[SortColumn].CompareTo(y[SortColumn]));
});
if (SortDirection == ULSortDirection.Ascending)
{
Rows.Reverse();
}
foreach (UserRow row in Rows)
{
ListViewItem lvRow = null;
bool first = true;
foreach (KeyValuePair <ULColumnType, string> column in row)
{
if (column.Key == ULColumnType.Tag)
{
continue;
}
string value = ConvertColumnValue(column);
if (first)
{
lvRow = Owner.Items.Add(value);
lvRow.ImageKey = "user";
lvRow.Tag = row[ULColumnType.Tag];
first = false;
}
else
{
lvRow.SubItems.Add(value);
}
}
}
}
Owner.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
Owner.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
Owner.ResumeLayout();
Owner.EndUpdate();
}
