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//------------------------------------------------------------------------------
// <copyright file="ButtonFieldBase.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.Collections;
using System.ComponentModel;
/// <devdoc>
/// Defines the base class for DataControlFields whose main purpose is to contain buttons for commands.
/// </devdoc>
public abstract class ButtonFieldBase : DataControlField {
/// <devdoc>
/// <para>Indicates the button type for the field.</para>
/// </devdoc>
[
WebCategory("Appearance"),
DefaultValue(ButtonType.Link),
WebSysDescription(SR.ButtonFieldBase_ButtonType)
]
public virtual ButtonType ButtonType {
get {
object o = ViewState["ButtonType"];
if (o != null)
return(ButtonType)o;
return ButtonType.Link;
}
set {
if (value < ButtonType.Button || value > ButtonType.Link) {
throw new ArgumentOutOfRangeException("value");
}
object oldValue = ViewState["ButtonType"];
if (oldValue == null || (ButtonType)oldValue != value) {
ViewState["ButtonType"] = value;
OnFieldChanged();
}
}
}
[
WebCategory("Behavior"),
DefaultValue(false),
WebSysDescription(SR.ButtonFieldBase_CausesValidation)
]
public virtual bool CausesValidation {
get {
object o = ViewState["CausesValidation"];
if (o != null) {
return (bool)o;
}
return false;
}
set {
object oldValue = ViewState["CausesValidation"];
if (oldValue == null || (bool)oldValue != value) {
ViewState["CausesValidation"] = value;
OnFieldChanged();
}
}
}
[
WebCategory("Behavior"),
DefaultValue(false),
WebSysDescription(SR.DataControlField_ShowHeader)
]
public override bool ShowHeader {
get {
object o = ViewState["ShowHeader"];
if (o != null) {
return (bool)o;
}
return false;
}
set {
object oldValue = ViewState["ShowHeader"];
if (oldValue == null || (bool)oldValue != value) {
ViewState["ShowHeader"] = value;
OnFieldChanged();
}
}
}
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.ButtonFieldBase_ValidationGroup)
]
public virtual string ValidationGroup {
get {
object o = ViewState["ValidationGroup"];
if (o != null) {
return (string)o;
}
return String.Empty;
}
set {
if (!String.Equals(value, ViewState["ValidationGroup"])) {
ViewState["ValidationGroup"] = value;
OnFieldChanged();
}
}
}
protected override void CopyProperties(DataControlField newField) {
((ButtonFieldBase)newField).ButtonType = ButtonType;
((ButtonFieldBase)newField).CausesValidation = CausesValidation;
((ButtonFieldBase)newField).ValidationGroup = ValidationGroup;
base.CopyProperties(newField);
}
}
}
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