using System;
using System.ComponentModel;
using System.Collections;
using System.Diagnostics;
using System.Windows.Forms;
using System.Drawing;
namespace ListViewControl
{
/// <summary>
/// Summary description for UserControl1.
/// </summary>
public class EastSpider : System.Windows.Forms.ListView
{
/// <summary>
/// Required designer variable.
/// </summary>
///
private Comparer myComparer;
private ArrayList colTypes = new ArrayList();
private System.ComponentModel.Container components = null;
/// <summary>
/// Sort Interface
/// </summary>
public class Comparer : IComparer
{
private int column;
private int sign;
private EastSpider.ColumnTypeEnum colType;
public Comparer()
{
column = 0;
sign = 1;
colType = EastSpider.ColumnTypeEnum.ColumnTypeText;
}
public int Column
{
set
{
column = value;
}
get
{
return column;
}
}
public int Sign
{
set
{
sign = value;
}
get
{
return sign;
}
}
public ColumnTypeEnum ColType
{
set
{
colType = value;
}
get
{
return colType;
}
}
public int Compare(object o1,object o2)
{
ListViewItem li1 = (ListViewItem)o1;
ListViewItem li2 = (ListViewItem)o2;
string s1,s2;
try
{
if (column == 0)
{
s1 = li1.Text;
s2 = li2.Text;
//return sign * String.Compare(s1,s2);
}
else
{
s1 = li1.SubItems[column].Text;
s2 = li2.SubItems[column].Text;
}
if (s1.Length == 0)
{
if (s2.Length > 0)
{
return (-sign);
}
else
{
return 0;
}
}
else if (s2.Length == 0)
{
return sign;
}
switch (colType)
{
case ColumnTypeEnum.ColumnTypeNumber:
long d1 = long.Parse(s1);
long d2 = long.Parse(s2);
if (d1 < d2)
{
return (-sign);
}
else if (d1 > d2)
{
return sign;
}
else
{
return 0;
}
case ColumnTypeEnum.ColumnTypeDate:
DateTime t1 = DateTime.Parse(s1);
DateTime t2 = DateTime.Parse(s2);
return sign*DateTime.Compare(t1,t2);
default:
return sign * String.Compare(s1,s2);
}
}
catch
{
return (0);
}
}
}
/// <summary>
/// 排序类型
/// </summary>
[Category("SortType"),Description("The Sort Type of Column you wanted do")]
public enum ColumnTypeEnum
{
ColumnTypeText = 0,
ColumnTypeDate = 1,
ColumnTypeNumber = 2
}
/// <summary>
/// Clear All Items And Columns
/// </summary>
private void ClearAll()
{
Clear();
ClearColumns();
}
/// <summary>
/// Clear All Item
/// </summary>
private new void Clear()
{
base.Items.Clear();
}
/// <summary>
/// Clear All Columns And ColType
/// </summary>
private void ClearColumns()
{
base.Columns.Clear();
colTypes.Clear();
}
public void AddColumn(string caption,ColumnTypeEnum columnType,HorizontalAlignment ha,int width)
{
ColumnHeader ch = new ColumnHeader();
ch.Text = caption;
ch.TextAlign = ha;
ch.Width = width;
base.Columns.Add(ch);
colTypes.Add(columnType);
}
/// <summary>
/// Add Items
/// </summary>
/// <param name="item"></param>
/// <param name="bgcolor"></param>
/// <returns></returns>
public int AddRow(ListViewItem item,Color bgcolor)
{
//ListViewItem li = new ListViewItem(args);
item.UseItemStyleForSubItems = true;
item.BackColor = bgcolor;
Items.Add(item);
return item.Index;
}
/// <summary>
/// 点击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ev_ColumnClick(object sender,System.Windows.Forms.ColumnClickEventArgs e)
{
//MessageBox.Show(e.Column.ToString());
myComparer.Column = e.Column;
myComparer.Sign = (base.Sorting == SortOrder.Ascending)? -1:1;
myComparer.ColType = (ColumnTypeEnum)colTypes[e.Column];
base.BeginUpdate();
switch (base.Sorting)
{
case SortOrder.Ascending:
base.Sorting = SortOrder.Descending;
break;
case SortOrder.Descending:
base.Sorting = SortOrder.Ascending;
break;
}
base.EndUpdate();
}
/// <summary>
/// Override onclick
/// </summary>
/// <param name="e"></param>
protected override void OnClick( System.EventArgs e)
{
base.OnClick(e);
}
/// <summary>
/// Override OnMouseDown
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown( System.Windows.Forms.MouseEventArgs e)
{
OnClick(e);
}
/// <summary>
/// InitializeComponent
/// </summary>
public EastSpider()
{
// This call is required by the Windows.Forms Form Designer.
base.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.ev_ColumnClick);
myComparer = new Comparer();
base.ListViewItemSorter = (IComparer)myComparer;
//InitializeComponent();
// TODO: Add any initialization after the InitForm call
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
//if (components != null)
//{
// components.Dispose();
//}
colTypes.Clear();
base.Dispose(disposing);
}
}
#region Component Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
components = new System.ComponentModel.Container();
}
#endregion
}
}
