WizardStepBase.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / WizardStepBase.cs / 1305376 / WizardStepBase.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

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; 
            } 
        }
 
        /// 
        ///    Gets and sets a value indicating whether theme is enabled.
        /// 
        [ 
        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();
                    } 
                }
            } 
        } 

        ///  
        /// Gets or sets the title on the  .
        /// 
        [
        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); 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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WizardStepBase.cs source code in C# .NET

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