LinkDesigner.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Design / LinkDesigner.cs / 1305376 / LinkDesigner.cs
                        

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

namespace System.Web.UI.Design.MobileControls 
{ 
    using System;
    using System.ComponentModel; 
    using System.ComponentModel.Design;
    using System.Diagnostics;
    using System.IO;
    using System.Web.UI; 
    using System.Web.UI.Design;
    using System.Web.UI.Design.MobileControls.Converters; 
    using System.Web.UI.MobileControls; 
    using System.Web.UI.MobileControls.Adapters;
    using System.Web.UI.Design.MobileControls.Adapters; 

    /// 
    ///    
    ///       Provides a designer for the  
    ///       control.
    ///     
    ///  
    /// 
    [ 
        System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
        Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
    ]
    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] 
    internal class LinkDesigner : MobileControlDesigner
    { 
        private System.Web.UI.MobileControls.Link _link; 

        ///  
        ///    
        ///       Initializes the designer with the component for design.
        ///    
        ///  
        /// 
        ///    The control element for design. 
        ///  
        /// 
        ///     
        ///       This is called by the designer host to establish the component for
        ///       design.
        ///    
        ///  
        /// 
        public override void Initialize(IComponent component) 
        { 
            Debug.Assert(component is System.Web.UI.MobileControls.Link,
                         "LinkDesigner.Initialize - Invalid Link Control"); 
            _link = (System.Web.UI.MobileControls.Link) component;
            base.Initialize(component);
        }
 
        /// 
        ///     
        ///       Returns the design-time HTML of the  
        ///       mobile control
        ///     
        /// 
        /// 
        ///    
        ///       The HTML of the control. 
        ///    
        ///  
        ///  
        protected override String GetDesignTimeNormalHtml()
        { 
            Debug.Assert(null != _link.Text);

            DesignerTextWriter tw;
            Control[] children = null; 

            String originalText  = _link.Text; 
            bool blankText = (originalText.Trim().Length == 0); 
            bool hasControls = _link.HasControls();
 
            if (blankText)
            {
                if (hasControls)
                { 
                    children = new Control[_link.Controls.Count];
                    _link.Controls.CopyTo(children, 0); 
                } 
                _link.Text = "[" + _link.ID + "]";
            } 
            try
            {
                tw = new DesignerTextWriter();
                _link.Adapter.Render(tw); 
            }
            finally 
            { 
                if (blankText)
                { 
                    _link.Text = originalText;
                    if (hasControls)
                    {
                        foreach (Control c in children) 
                        {
                            _link.Controls.Add(c); 
                        } 
                    }
                } 
            }

            return tw.ToString();
        } 

        ///  
        ///     
        ///       Represents the method that will handle the component change event.
        ///     
        /// 
        /// 
        ///    The source of the event.
        ///  
        /// 
        ///    The  that provides data about the event. 
        ///  
        public override void OnComponentChanged(Object sender, ComponentChangedEventArgs e)
        { 
            if ((e.Member != null) && e.Member.Name.Equals("NavigateUrl"))
            {
                _link.NavigateUrl = NavigateUrlConverter.GetUrl(
                    _link, 
                    e.NewValue.ToString(),
                    e.OldValue.ToString() 
                ); 

                e = new ComponentChangedEventArgs(e.Component, e.Member, e.OldValue, _link.NavigateUrl); 
            }

            base.OnComponentChanged(sender, e);
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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