using System;
using System.Collections;
using System.Windows.Forms;

namespace TracingDB.Forms
{
    public class LviIntColumnComparer : IComparer
    {
        int column;
        SortOrder order;

        public LviIntColumnComparer()
        {
            column = 0;
            order = SortOrder.Ascending;
        }

        public LviIntColumnComparer(int column, SortOrder order)
        {
            this.column = column;
            this.order = order;
        }

        public int Compare(object x, object y)
        {
            int valX = int.Parse(((ListViewItem)x).SubItems[column].Text);
            int valY = int.Parse(((ListViewItem)y).SubItems[column].Text);
            return (order == SortOrder.Descending) ? (valY - valX) : (valX - valY);
        }
    }
}