HtmlInputControl.cs source code in C# .NET

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Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / UI / HtmlControls / HtmlInputControl.cs / 1 / HtmlInputControl.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 * HtmlInputControl.cs 
 *
 * Copyright (c) 2000 Microsoft Corporation 
 */

namespace System.Web.UI.HtmlControls {
 
    using System;
    using System.ComponentModel; 
    using System.Web; 
    using System.Web.UI;
    using Debug=System.Web.Util.Debug; 
    using System.Security.Permissions;

/*
 * An abstract base class representing an intrinsic INPUT tag. 
 */
 
///  
///    
///       The  abstract class defines 
///       the methods, properties, and events common to all HTML input controls.
///       These include controls for the <input type=text>, <input
///       type=submit>, and <input type=file> elements.
///     
/// 
    [ 
    ControlBuilderAttribute(typeof(HtmlEmptyTagControlBuilder)) 
    ]
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    abstract public class HtmlInputControl : HtmlControl {
        private string _type;
 
        /*
         *  Creates a new Input 
         */ 

        ///  
        /// Initializes a new instance of the  class.
        /// 
        protected HtmlInputControl(string type) : base("input") {
            _type = type; 

            // VSWhidbey 546690: Need to add the type value to the Attributes collection to match Everett behavior. 
            Attributes["type"] = type; 
        }
 
        /*
         * Name property
         */
 
        /// 
        ///     
        ///       Gets the value of the HTML 
        ///       Name attribute that will be rendered to the browser.
        ///     
        /// 
        [
        WebCategory("Behavior"),
        DefaultValue(""), 
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
        ] 
        public virtual string Name { 
            get {
                return UniqueID; 
                //string s = Attributes["name"];
                //return ((s != null) ? s : String.Empty);
            }
            set { 
                //Attributes["name"] = MapStringAttributeToString(value);
            } 
        } 

        // Value that gets rendered for the Name attribute 
        internal virtual string RenderedNameAttribute {
            get {
                return Name;
                //string name = Name; 
                //if (name.Length == 0)
                //    return UniqueID; 
 
                //return name;
            } 
        }

        /*
         * Value property. 
         */
 
        ///  
        ///    
        ///       Gets or sets the contents of a text box. 
        ///    
        /// 
        [
        WebCategory("Appearance"), 
        DefaultValue(""),
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden) 
        ] 
        public virtual string Value {
            get { 
                string s = Attributes["value"];
                return((s != null) ? s : String.Empty);
            }
            set { 
                Attributes["value"] = MapStringAttributeToString(value);
            } 
        } 

        /* 
         * Type of input
         */

        ///  
        ///    
        ///       Gets the Type attribute for a particular HTML input control. 
        ///     
        /// 
        [ 
        WebCategory("Behavior"),
        DefaultValue(""),
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
        ] 
        public string Type {
            get { 
                string s = Attributes["type"]; 
                if (!string.IsNullOrEmpty(s)) {
                    return s; 
                }
                return((_type != null) ? _type : String.Empty);
            }
        } 

        /* 
         * Override to render unique name attribute. 
         * The name attribute is owned by the framework.
         */ 

        /// 
        /// 
        ///  
        protected override void RenderAttributes(HtmlTextWriter writer) {
 
            writer.WriteAttribute("name", RenderedNameAttribute); 
            Attributes.Remove("name");
            bool removedTypeAttribute = false; 
            string type = Type;
            if (!String.IsNullOrEmpty(type)) {
                writer.WriteAttribute("type", type);
                Attributes.Remove("type"); 
                removedTypeAttribute = true;
            } 
 
            base.RenderAttributes(writer);
            if (removedTypeAttribute && DesignMode) { 
                Attributes.Add("type", type);
            }
            writer.Write(" /");
        } 

    } 
}

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