tbf/Users/Forms/LviNameSurnameColumnComparer.cs

56 lines
1.7 KiB
C#

using System;
using System.Collections;
using System.Windows.Forms;
using Common;
namespace Users.Forms
{
class LviNameSurnameColumnComparer : IComparer
{
private int column;
MySortOrder order;
public LviNameSurnameColumnComparer()
{
column = 0;
order = MySortOrder.Ascending;
}
public LviNameSurnameColumnComparer(int column, MySortOrder order)
{
this.column = column;
this.order = order;
}
public int Compare(object x, object y)
{
string nameX = ((ListViewItem)x).SubItems[column].Text;
string nameY = ((ListViewItem)y).SubItems[column].Text;
string surnameX;
string surnameY;
switch (order)
{
case MySortOrder.Ascending:
return String.Compare(nameX, nameY);
case MySortOrder.Descending:
return String.Compare(nameY, nameX);
case MySortOrder.Ascending2:
surnameX = (nameX.IndexOf(' ') > 0) ? nameX.Substring(nameX.IndexOf(' ') + 1) : nameX;
surnameY = (nameX.IndexOf(' ') > 0) ? nameY.Substring(nameY.IndexOf(' ') + 1) : nameY;
return String.Compare(surnameX, surnameY);
case MySortOrder.Descending2:
surnameX = (nameX.IndexOf(' ') > 0) ? nameX.Substring(nameX.IndexOf(' ') + 1) : nameX;
surnameY = (nameX.IndexOf(' ') > 0) ? nameY.Substring(nameY.IndexOf(' ') + 1) : nameY;
return String.Compare(surnameY, surnameX);
default:
return 0;
}
}
}
}