/// <summary>
/// Sorts a list view column by string, number, or date.
/// </summary>
/// <param name="columnNumber">The column number to sort by</param>
/// <param name="forceSort">Forces a sort even if no listview tag data exists and assumes a string sort.</param>
internal void Sort(int columnNumber, bool forceSort = false)
{
SortOrder sortOrder;
if (_lastSortColumn == columnNumber)
{
if (_lastSortOrder == SortOrder.Ascending)
{
sortOrder = SortOrder.Descending;
}
else
{
sortOrder = SortOrder.Ascending;
}
}
else
{
sortOrder = SortOrder.Ascending;
}
for (int i = 0; i <= Columns.Count - 1; i++)
{
ColumnHeader c = Columns[i];
if (i == columnNumber)
{
if (sortOrder == SortOrder.Ascending)
{
if (!Equals(c.Tag, "nosort"))
{
c.Text = '▼' + c.Text.Trim('▲').Trim('▼');
}
else
{
c.Text = c.Text.Trim('▲').Trim('▼');
}
}
else
{
if (!Equals(c.Tag, "nosort"))
{
c.Text = '▲' + c.Text.Trim('▲').Trim('▼');
}
else
{
c.Text = c.Text.Trim('▲').Trim('▼');
}
}
}
else
{
c.Text = c.Text.Trim('▲').Trim('▼');
}
}
// In case a tag wasn't specified check if we should force a string sort
if (string.IsNullOrEmpty(Convert.ToString(Columns[columnNumber].Tag)))
{
Columns[columnNumber].Tag = "String";
//if (ForceSort)
//{
// this.Columns[ColumnNumber].Tag = "String";
//}
//else
//{
// return;
//}
}
switch (Columns[columnNumber].Tag.ToString().ToLower())
{
case "numeric":
ListViewItemSorter = new ListViewNumericSort(columnNumber, sortOrder);
break;
case "date":
ListViewItemSorter = new ListViewDateSort(columnNumber, sortOrder);
break;
case "string":
ListViewItemSorter = new ListViewStringSort(columnNumber, sortOrder);
break;
case "nosort":
ListViewItemSorter = null;
break;
}
_lastSortColumn = columnNumber;
_lastSortOrder = sortOrder;
ListViewItemSorter = null;
}
/// <summary>
/// Sorts a list view column by string, number, or date.
/// </summary>
/// <param name="columnNumber">The column number to sort by</param>
/// <param name="forceSort">Forces a sort even if no listview tag data exists and assumes a string sort.</param>
internal void Sort(int columnNumber, bool forceSort = false)
{
SortOrder sortOrder;
if (_lastSortColumn == columnNumber)
{
if (_lastSortOrder == SortOrder.Ascending)
{
sortOrder = SortOrder.Descending;
}
else
{
sortOrder = SortOrder.Ascending;
}
}
else
{
sortOrder = SortOrder.Ascending;
}
for (int i = 0; i <= Columns.Count - 1; i++)
{
ColumnHeader c = Columns[i];
if (i == columnNumber)
{
if (sortOrder == SortOrder.Ascending)
{
if (!Equals(c.Tag, "nosort"))
c.Text = '▼' + c.Text.Trim('▲').Trim('▼');
else
c.Text = c.Text.Trim('▲').Trim('▼');
}
else
{
if (!Equals(c.Tag, "nosort"))
c.Text = '▲' + c.Text.Trim('▲').Trim('▼');
else
c.Text = c.Text.Trim('▲').Trim('▼');
}
}
else
{
c.Text = c.Text.Trim('▲').Trim('▼');
}
}
// In case a tag wasn't specified check if we should force a string sort
if (string.IsNullOrEmpty(Convert.ToString(Columns[columnNumber].Tag)))
{
Columns[columnNumber].Tag = "String";
//if (ForceSort)
//{
// this.Columns[ColumnNumber].Tag = "String";
//}
//else
//{
// return;
//}
}
switch (Columns[columnNumber].Tag.ToString().ToLower())
{
case "numeric":
ListViewItemSorter = new ListViewNumericSort(columnNumber, sortOrder);
break;
case "date":
ListViewItemSorter = new ListViewDateSort(columnNumber, sortOrder);
break;
case "string":
ListViewItemSorter = new ListViewStringSort(columnNumber, sortOrder);
break;
case "nosort":
ListViewItemSorter = null;
break;
}
_lastSortColumn = columnNumber;
_lastSortOrder = sortOrder;
ListViewItemSorter = null;
}
