//
// System.Web.UI.WebControls.ButtonColumn.cs
//
// Author:
// Dick Porter <dick@ximian.com>
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.ComponentModel;
using System.Security.Permissions;
namespace System.Web.UI.WebControls{
// CAS
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class ButtonColumn : DataGridColumn {
[DefaultValue(ButtonColumnType.LinkButton)]
#if NET_2_0
[WebSysDescription("The type of button contained within the column.")]
#else
[Description("The type of button contained within the column.")]
#endif
[WebCategory ("Misc")]
public virtual ButtonColumnType ButtonType
{
get {
return (ButtonColumnType) ViewState.GetInt ("LinkButton",
(int) ButtonColumnType.LinkButton);
}
set {
ViewState ["LinkButton"] = value;
}
}
[DefaultValue("")]
#if NET_2_0
[WebSysDescription("The command associated with the button.")]
#else
[Description("The command associated with the button.")]
#endif
[WebCategory ("Misc")]
public virtual string CommandName
{
get {
return ViewState.GetString ("CommandName", String.Empty);
}
set {
ViewState ["CommandName"] = value;
}
}
#if NET_2_0
[DefaultValue (false)]
[WebSysDescription("")]
[WebCategory ("Behavior")]
public virtual bool CausesValidation
{
get {
return ViewState.GetBool ("CausesValidation", false);
}
set {
ViewState ["CausesValidation"] = value;
}
}
#endif
[DefaultValue("")]
#if NET_2_0
[WebSysDescription("The field bound to the text property of the button.")]
#else
[Description("The field bound to the text property of the button.")]
#endif
[WebCategory ("Misc")]
public virtual string DataTextField
{
get {
return ViewState.GetString ("DataTextField", String.Empty);
}
set {
ViewState ["DataTextField"] = value;
}
}
[DefaultValue("")]
#if NET_2_0
[WebSysDescription("The formatting applied to the value bound to the Text property.")]
#else
[Description("The formatting applied to the value bound to the Text property.")]
#endif
[WebCategory ("Misc")]
public virtual string DataTextFormatString
{
get {
return ViewState.GetString ("DataTextFormatString",
String.Empty);
}
set {
ViewState ["DataTextFormatString"] = value;
format = null;
}
}
[DefaultValue("")]
#if NET_2_0
[Localizable (true)]
[WebSysDescription("The text used for the button.")]
#else
[Description("The text used for the button.")]
#endif
[WebCategory ("Misc")]
public virtual string Text
{
get {
return ViewState.GetString ("Text", String.Empty);
}
set {
ViewState ["Text"] = value;
}
}
#if NET_2_0
[DefaultValue ("")]
[WebSysDescription("")]
[WebCategory ("Behavior")]
public virtual string ValidationGroup
{
get {
return ViewState.GetString ("ValidationGroup", "");
}
set {
ViewState ["ValidationGroup"] = value;
}
}
#endif
public override void Initialize ()
{
/* No documentation for this method, so it's
* only here to keep corcompare quiet
*/
base.Initialize ();
}
public override void InitializeCell (TableCell cell,
int columnIndex,
ListItemType itemType)
{
base.InitializeCell (cell, columnIndex, itemType);
if (itemType != ListItemType.Header &&
itemType != ListItemType.Footer) {
switch (ButtonType) {
case ButtonColumnType.LinkButton:
{
LinkButton butt = new ForeColorLinkButton ();
butt.Text = Text;
butt.CommandName = CommandName;
if (DataTextField != "")
butt.DataBinding += new EventHandler (DoDataBind);
cell.Controls.Add (butt);
}
break;
case ButtonColumnType.PushButton:
{
Button butt = new Button ();
butt.Text = Text;
butt.CommandName = CommandName;
if (DataTextField != "")
butt.DataBinding += new EventHandler (DoDataBind);
cell.Controls.Add (butt);
}
break;
}
}
}
string text_field;
string GetValueFromItem (DataGridItem item)
{
object val = null;
if (text_field == null)
text_field = DataTextField;
if (text_field != "")
val = DataBinder.Eval (item.DataItem, text_field);
return FormatDataTextValue (val);
}
void DoDataBind (object sender, EventArgs e)
{
Control ctrl = (Control) sender;
string text = GetValueFromItem ((DataGridItem) ctrl.NamingContainer);
LinkButton lb = sender as LinkButton;
if (lb == null) {
Button b = (Button) sender;
b.Text = text;
} else {
lb.Text = text;
}
}
string format;
protected virtual string FormatDataTextValue (object dataTextValue)
{
if (dataTextValue == null)
return "";
if (format == null)
format = DataTextFormatString;
if (format == "")
return dataTextValue.ToString ();
return String.Format (format, dataTextValue);
}
}
}
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