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/**
* Namespace: System.Web.UI.WebControls
* Class: EditCommandColumn
*
* Author: Gaurav Vaish
* Maintainer: gvaish@iitk.ac.in
* Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>
* Implementation: yes
* Status: 100%
*
* (C) Gaurav Vaish (2002)
*/
using System;
using System.Web;
using System.Web.UI;
namespace System.Web.UI.WebControls
{
public class EditCommandColumn : DataGridColumn
{
public EditCommandColumn(): base()
{
}
public virtual ButtonColumnType ButtonType
{
get
{
object o = ViewState["ButtonType"];
if(o != null)
{
return (ButtonColumnType)o;
}
return ButtonColumnType.LinkButton;
}
set
{
if(!Enum.IsDefined(typeof(ButtonColumnType), value))
{
throw new ArgumentException();
}
ViewState["ButtonType"] = value;
OnColumnChanged();
}
}
public virtual string CancelText
{
get
{
object o = ViewState["CancelText"];
if(o != null)
{
return (string)o;
}
return String.Empty;
}
set
{
ViewState["CancelText"] = value;
OnColumnChanged();
}
}
public virtual string EditText
{
get
{
object o = ViewState["EditText"];
if(o != null)
{
return (string)o;
}
return String.Empty;
}
set
{
ViewState["EditText"] = value;
OnColumnChanged();
}
}
public virtual string UpdateText
{
get
{
object o = ViewState["UpdateText"];
if(o != null)
{
return (string)o;
}
return String.Empty;
}
set
{
ViewState["UpdateText"] = value;
OnColumnChanged();
}
}
public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType)
{
base.InitializeCell(cell, columnIndex, itemType);
if (itemType == ListItemType.Header || itemType == ListItemType.Footer)
return;
if (itemType == ListItemType.EditItem) {
cell.Controls.Add (MakeButton ("Update", UpdateText));
cell.Controls.Add (new LiteralControl (" "));
cell.Controls.Add (MakeButton ("Cancel", CancelText));
} else {
cell.Controls.Add (MakeButton ("Edit", EditText));
}
}
Control MakeButton (string commandName, string text)
{
if (ButtonType == ButtonColumnType.LinkButton) {
DataGridLinkButton ret = new DataGridLinkButton ();
ret.CommandName = commandName;
ret.Text = text;
return ret;
} else {
Button ret = new Button ();
ret.CommandName = commandName;
ret.Text = text;
return ret;
}
}
}
}
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