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//------------------------------------------------------------------------------
// <copyright file="WizardStepBase.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System;
using System.CodeDom.Compiler;
using System.Collections;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
public sealed class WizardStepControlBuilder : ControlBuilder {
internal override void SetParentBuilder(ControlBuilder parentBuilder) {
// Do not check containment at designtime or in a skin file.
if (Parser.FInDesigner || Parser is PageThemeParser)
return;
if (parentBuilder.ControlType == null ||
!(typeof(WizardStepCollection).IsAssignableFrom(parentBuilder.ControlType))) {
throw new HttpException(SR.GetString(SR.WizardStep_WrongContainment));
}
base.SetParentBuilder(parentBuilder);
}
}
[
Bindable(false),
ControlBuilderAttribute(typeof(WizardStepControlBuilder)),
ToolboxItem(false)
]
public abstract class WizardStepBase : View {
private Wizard _owner;
[
WebCategory("Behavior"),
Themeable(false),
Filterable(false),
DefaultValue(true),
WebSysDescription(SR.WizardStep_AllowReturn)
]
public virtual bool AllowReturn {
get {
object o = ViewState["AllowReturn"];
return o == null? true : (bool)o;
}
set {
ViewState["AllowReturn"] = value;
}
}
/// <devdoc>
/// <para>Gets and sets a value indicating whether theme is enabled.</para>
/// </devdoc>
[
Browsable(true)
]
public override bool EnableTheming {
get {
return base.EnableTheming;
}
set {
base.EnableTheming = value;
}
}
public override string ID {
get {
return base.ID;
}
set {
// VSWhidbey 407127. Need to validate control ID here since WiardStepBase does not have a designer.
if (Owner != null && Owner.DesignMode) {
if (!CodeGenerator.IsValidLanguageIndependentIdentifier(value)) {
throw new ArgumentException(SR.GetString(SR.Invalid_identifier, value));
}
if (value != null && value.Equals(Owner.ID, StringComparison.OrdinalIgnoreCase)) {
throw new ArgumentException(SR.GetString(SR.Id_already_used, value));
}
foreach (WizardStepBase step in Owner.WizardSteps) {
if (step == this) {
continue;
}
if (step.ID != null && step.ID.Equals(value, StringComparison.OrdinalIgnoreCase)) {
throw new ArgumentException(SR.GetString(SR.Id_already_used, value));
}
}
}
base.ID = value;
}
}
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
WebCategory("Appearance"),
WebSysDescription(SR.WizardStep_Name)
]
public virtual String Name {
get {
if (!String.IsNullOrEmpty(Title)) {
return Title;
}
if (!String.IsNullOrEmpty(ID)) {
return ID;
}
return null;
}
}
internal virtual Wizard Owner {
get {
return _owner;
}
set {
_owner = value;
}
}
[
WebCategory("Behavior"),
DefaultValue(WizardStepType.Auto),
WebSysDescription(SR.WizardStep_StepType)
]
public virtual WizardStepType StepType {
get {
object o = ViewState["StepType"];
return o == null? WizardStepType.Auto : (WizardStepType)o;
}
set {
if (value < WizardStepType.Auto || value > WizardStepType.Step) {
throw new ArgumentOutOfRangeException("value");
}
if (StepType != value) {
ViewState["StepType"] = value;
if (Owner != null) {
Owner.OnWizardStepsChanged();
}
}
}
}
/// <devdoc>
/// <para>Gets or sets the title on the <see cref='System.Web.UI.WebControls.Wizard/> .</para>
/// </devdoc>
[
DefaultValue(""),
Localizable(true),
WebCategory("Appearance"),
WebSysDescription(SR.WizardStep_Title)
]
public virtual string Title {
get {
string s = (string)ViewState["Title"];
return((s == null) ? String.Empty : s);
}
set {
if (Title != value) {
ViewState["Title"] = value;
if (Owner != null) {
Owner.OnWizardStepsChanged();
}
}
}
}
internal string TitleInternal {
get {
return (string)ViewState["Title"];
}
}
[
Browsable(false),
EditorBrowsable(EditorBrowsableState.Advanced),
WebCategory("Appearance"),
]
public Wizard Wizard {
get {
return Owner;
}
}
// VSWhidbey 397000, need to notify the Owner of type change so
// the sidebar can be re-databound correctly.
protected override void LoadViewState(object savedState) {
if (savedState != null) {
base.LoadViewState(savedState);
if (Owner != null &&
(ViewState["Title"] != null || ViewState["StepType"] != null)) {
Owner.OnWizardStepsChanged();
}
}
}
protected internal override void OnLoad(EventArgs e) {
base.OnLoad(e);
if (Owner == null && !DesignMode) {
throw new InvalidOperationException(SR.GetString(SR.WizardStep_WrongContainment));
}
}
protected internal override void RenderChildren(HtmlTextWriter writer) {
if (!Owner.ShouldRenderChildControl) {
return;
}
base.RenderChildren(writer);
}
}
}
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