WmlControlAdapter.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Adapters / WmlControlAdapter.cs / 1305376 / WmlControlAdapter.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.Collections; 
using System.Diagnostics;
using System.Web.UI.MobileControls; 
using System.Web.UI.MobileControls.Adapters;
using System.Web.Security;
using System.Text;
using System.Security.Permissions; 

#if COMPILING_FOR_SHIPPED_SOURCE 
namespace System.Web.UI.MobileControls.ShippedAdapterSource 
#else
namespace System.Web.UI.MobileControls.Adapters 
#endif

{
 
    /*
     * WmlControlAdapter base class contains wml specific methods. 
     * 
     * Copyright (c) 2000 Microsoft Corporation
     */ 
    /// 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [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.")] 
    public class WmlControlAdapter : System.Web.UI.MobileControls.Adapters.ControlAdapter
    { 
        ///  
        protected WmlPageAdapter PageAdapter
        { 
            get
            {
                return ((WmlPageAdapter)Page.Adapter);
            } 
        }
 
        ///  
        protected WmlFormAdapter FormAdapter
        { 
            get
            {
                return (WmlFormAdapter)Control.Form.Adapter;
            } 
        }
 
        ///  
        public override void Render(HtmlTextWriter writer)
        { 
            Render((WmlMobileTextWriter)writer);
        }

        ///  
        public virtual void Render(WmlMobileTextWriter writer)
        { 
            RenderChildren(writer); 
        }
 
        /// 
        protected void RenderLink(WmlMobileTextWriter writer,
                                  String targetUrl,
                                  String softkeyLabel, 
                                  bool implicitSoftkeyLabel,
                                  bool mapToSoftkey, 
                                  String text, 
                                  bool breakAfter)
        { 
            RenderBeginLink(writer, targetUrl, softkeyLabel, implicitSoftkeyLabel, mapToSoftkey);
            writer.RenderText(text);
            RenderEndLink(writer, targetUrl, breakAfter);
        } 

        ///  
        protected void RenderBeginLink(WmlMobileTextWriter writer, 
                                       String targetUrl,
                                       String softkeyLabel, 
                                       bool implicitSoftkeyLabel,
                                       bool mapToSoftkey)
        {
            if (mapToSoftkey && !writer.IsValidSoftkeyLabel(softkeyLabel)) 
            {
                // If softkey label was specified explicitly, then truncate. 
                if (!implicitSoftkeyLabel && softkeyLabel.Length > 0) 
                {
                    softkeyLabel = softkeyLabel.Substring(0, Device.MaximumSoftkeyLabelLength); 
                }
                else
                {
                    softkeyLabel = GetDefaultLabel(LinkLabel); 
                    implicitSoftkeyLabel = true;
                } 
            } 

            String postback = DeterminePostBack(targetUrl); 

            if (postback != null)
            {
                writer.RenderBeginPostBack(softkeyLabel, implicitSoftkeyLabel, mapToSoftkey); 
            }
            else 
            { 
                String prefix = Constants.FormIDPrefix;
                if (targetUrl.StartsWith(prefix, StringComparison.Ordinal)) 
                {
                    String formID = targetUrl.Substring(prefix.Length);
                    Form form = Control.ResolveFormReference(formID);
                    targetUrl = prefix + form.ClientID; 
                }
                else 
                { 
                    bool absoluteUrl = ( (targetUrl.StartsWith("http:", StringComparison.Ordinal)) || (targetUrl.StartsWith("https:", StringComparison.Ordinal)) );
                    // AUI 3652 
                    targetUrl = Control.ResolveUrl(targetUrl);
                    bool queryStringWritten = targetUrl.IndexOf('?') != -1;
                    IDictionary dictionary = PageAdapter.CookielessDataDictionary;
                    String formsAuthCookieName = FormsAuthentication.FormsCookieName; 
                    if((dictionary != null) && (!absoluteUrl) && (Control.MobilePage.Adapter.PersistCookielessData))
                    { 
                        StringBuilder sb = new StringBuilder(targetUrl); 

                        foreach(String name in dictionary.Keys) 
                        {
                            if(queryStringWritten)
                            {
                                sb.Append("&"); 
                            }
                            else 
                            { 
                                sb.Append("?");
                                queryStringWritten = true; 
                            }

                            if(name.Equals(formsAuthCookieName) && Device.CanRenderOneventAndPrevElementsTogether )
                            { 
                                sb.Append(name);
                                sb.Append("=$("); 
                                sb.Append(writer.MapClientIDToShortName("__facn",false)); 
                                sb.Append(")");
                            } 
                            else
                            {
                                sb.Append(name);
                                sb.Append("="); 
                                sb.Append(dictionary[name]);
                            } 
                        } 
                        targetUrl = sb.ToString();
                    } 
                }

                writer.RenderBeginHyperlink(targetUrl,
                                            false, 
                                            softkeyLabel,
                                            implicitSoftkeyLabel, 
                                            mapToSoftkey); 
            }
        } 

        /// 
        protected void RenderEndLink(WmlMobileTextWriter writer, String targetUrl, bool breakAfter)
        { 
            String postback = DeterminePostBack(targetUrl);
 
            if (postback != null) 
            {
                writer.RenderEndPostBack(Control.UniqueID, postback, WmlPostFieldType.Normal, false, breakAfter); 
            }
            else
            {
                writer.RenderEndHyperlink(breakAfter); 
            }
        } 
 
        /// 
        protected String DeterminePostBack(String target) 
        {
            String postback = null;
            String prefix = Constants.FormIDPrefix;
            if (target.StartsWith(prefix, StringComparison.Ordinal))     //  link to another form 
            {
                String formID = target.Substring(prefix.Length); 
                Form form = Control.ResolveFormReference(formID); 
                Form thisForm = Control.Form;
 
                //  must postback to forms not rendered in deck (not visible) or links to same form,
                // as long as it's safe to do so.
                if (form == thisForm ||
                    !PageAdapter.IsFormRendered(form) || 
                    thisForm.HasDeactivateHandler() ||
                    form.HasActivateHandler()) 
                { 
                    postback = form.UniqueID;
                } 
            }
            return postback;
        }
 
        /// 
        protected void RenderSubmitEvent( 
            WmlMobileTextWriter writer, 
            String softkeyLabel,
            String text, 
            bool breakAfter)
        {
            RenderPostBackEvent(writer, null, softkeyLabel, true,
                                text, breakAfter, WmlPostFieldType.Submit); 
        }
 
        ///  
        protected void RenderPostBackEvent(
            WmlMobileTextWriter writer, 
            String argument,
            String softkeyLabel,
            bool mapToSoftkey,
            String text, 
            bool breakAfter)
        { 
            RenderPostBackEvent(writer, argument, softkeyLabel, mapToSoftkey, 
                                text, breakAfter, WmlPostFieldType.Normal);
        } 

        /// 
        protected void RenderPostBackEvent(
            WmlMobileTextWriter writer, 
            String argument,
            String softkeyLabel, 
            bool mapToSoftkey, 
            String text,
            bool breakAfter, 
            WmlPostFieldType postBackType)
        {
            bool implicitSoftkeyLabel = false;
            if (mapToSoftkey) 
            {
                if (softkeyLabel == null || softkeyLabel.Length == 0) 
                { 
                    softkeyLabel = text;
                    implicitSoftkeyLabel = true; 
                }

                if (!writer.IsValidSoftkeyLabel(softkeyLabel))
                { 
                    // If softkey label was specified explicitly, then truncate.
                    if (!implicitSoftkeyLabel && softkeyLabel.Length > 0) 
                    { 
                        softkeyLabel = softkeyLabel.Substring(0, Device.MaximumSoftkeyLabelLength);
                    } 
                    else
                    {
                        softkeyLabel = GetDefaultLabel(GoLabel);
                        implicitSoftkeyLabel = true; 
                    }
                } 
            } 

            writer.RenderBeginPostBack(softkeyLabel, implicitSoftkeyLabel, mapToSoftkey); 
            writer.RenderText(text);
            writer.RenderEndPostBack(Control.UniqueID, argument, postBackType, true, breakAfter);
        }
 
        /// 
        protected virtual String GetPostBackValue() 
        { 
            return null;
        } 

        internal String GetControlPostBackValue(MobileControl ctl)
        {
            WmlControlAdapter adapter = ctl.Adapter as WmlControlAdapter; 
            return adapter != null ? adapter.GetPostBackValue() : null;
        } 
 
        /////////////////////////////////////////////////////////////////////////
        //  SECONDARY UI SUPPORT 
        /////////////////////////////////////////////////////////////////////////

        internal const int NotSecondaryUIInit = -1;  // For initialization of private consts in derived classes.
        ///  
        protected static readonly int NotSecondaryUI = NotSecondaryUIInit;
 
        ///  
        protected int SecondaryUIMode
        { 
            get
            {
                if (Control == null || Control.Form == null)
                { 
                    return NotSecondaryUI;
                } 
                else 
                {
                    return ((WmlFormAdapter)Control.Form.Adapter).GetSecondaryUIMode(Control); 
                }
            }
            set
            { 
                ((WmlFormAdapter)Control.Form.Adapter).SetSecondaryUIMode(Control, value);
            } 
        } 

        ///  
        protected void ExitSecondaryUIMode()
        {
            SecondaryUIMode = NotSecondaryUI;
        } 

        ///  
        public override void LoadAdapterState(Object state) 
        {
            if (state != null) 
            {
                SecondaryUIMode = (int)state;
            }
        } 

        ///  
        public override Object SaveAdapterState() 
        {
            int mode = SecondaryUIMode; 
            if (mode != NotSecondaryUI)
            {
                return mode;
            } 
            else
            { 
                return null; 
            }
        } 
    }
}

 

 
 

 



 

 
 

 



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