WmlFormAdapter.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Adapters / WmlFormAdapter.cs / 1305376 / WmlFormAdapter.cs
                        

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

using System; 
using System.Collections; 
using System.Collections.Specialized;
using System.Globalization; 
using System.Web.UI.MobileControls;
using System.Web.UI.MobileControls.Adapters;
using System.Web.Security;
using System.Security.Permissions; 

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

{
 
    /*
     * WmlFormAdapter 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 WmlFormAdapter : WmlControlAdapter
    { 
        private IDictionary _postBackVariables = null; 

        ///  
        protected new Form Control
        {
            get
            { 
                return (Form)base.Control;
            } 
        } 

        ///  
        public override void Render(WmlMobileTextWriter writer)
        {
            String formsAuthCookieName = FormsAuthentication.FormsCookieName;
            if(!Device.SupportsRedirectWithCookie) 
            {
                if(!String.IsNullOrEmpty(formsAuthCookieName)) 
                { 
                    HttpContext.Current.Response.Cookies.Remove(formsAuthCookieName);
                } 
            }

            writer.BeginForm(Control);
            if (Page.Adapter.PersistCookielessData && 
                Device.CanRenderOneventAndPrevElementsTogether &&
                !String.IsNullOrEmpty(formsAuthCookieName) && 
                Control == Page.ActiveForm ) 
            {
                IDictionary dictionary = PageAdapter.CookielessDataDictionary; 
                if(dictionary != null)
                {
                    String value = (String)dictionary[formsAuthCookieName];
                    if(!String.IsNullOrEmpty(value)) 
                    {
                        writer.AddFormVariable("__facn", value, false); 
                    } 
                }
            } 
            MobileControl secondaryUIControl = SecondaryUIControl as MobileControl;
            writer.EnterLayout(Style);
            if (secondaryUIControl != null && secondaryUIControl.Form == Control)
            { 
                SetControlPageRecursive(secondaryUIControl, -1);
                secondaryUIControl.RenderControl(writer); 
            } 
            else
            { 
                if (Control.HasControls())
                {
                    Panel header = Control.Header;
                    Panel footer = Control.Footer; 

                    if (header != null) 
                    { 
                        writer.BeginCustomMarkup();
                        header.RenderControl(writer); 
                        writer.EndCustomMarkup();
                    }

                    foreach(Control control in Control.Controls) 
                    {
                        if (control != header && control != footer) 
                        { 
                            control.RenderControl(writer);
                        } 
                    }

                    RenderPager(writer);
 
                    if (footer != null)
                    { 
                        writer.BeginCustomMarkup(); 
                        footer.RenderControl(writer);
                        writer.EndCustomMarkup(); 
                    }
                }
                else
                { 
                    RenderPager(writer);
                } 
            } 
            writer.ExitLayout(Style);
            writer.EndForm(); 
        }

        /// 
        protected virtual void RenderPager(WmlMobileTextWriter writer) 
        {
            PagerStyle pagerStyle = Control.PagerStyle; 
            int pageCount = Control.PageCount; 
            if (pageCount <= 1)
            { 
                return;
            }
            int page = Control.CurrentPage;
 
            writer.EnterStyle(pagerStyle);
            if (page < pageCount) 
            { 
                String nextPageText = pagerStyle.GetNextPageText(page);
                RenderPostBackEvent(writer, 
                                    (page + 1).ToString(CultureInfo.InvariantCulture),
                                    writer.IsValidSoftkeyLabel(nextPageText) ? nextPageText
                                                                             : GetDefaultLabel(NextLabel),
                                    true, 
                                    nextPageText,
                                    true); 
            } 

            if (page > 1) 
            {
                String prevPageText = pagerStyle.GetPreviousPageText(page);
                RenderPostBackEvent(writer,
                                    (page - 1).ToString(CultureInfo.InvariantCulture), 
                                    writer.IsValidSoftkeyLabel(prevPageText) ? prevPageText
                                                                             : GetDefaultLabel(PreviousLabel), 
                                    true, 
                                    prevPageText,
                                    true); 
            }
            writer.ExitStyle(pagerStyle);
        }
 
        /// 
        public virtual IDictionary CalculatePostBackVariables() 
        { 
            if (_postBackVariables == null)
            { 
                _postBackVariables = new ListDictionary();
                BuildControlPostBacksRecursive(Control);
            }
            return _postBackVariables; 
        }
 
        private void BuildControlPostBacksRecursive(Control control) 
        {
            if (control is IPostBackDataHandler 
                && !(control is IPostBackEventHandler)
                && control.Visible && control != Control)
            {
                MobileControl mobileCtl = control as MobileControl; 

                if (mobileCtl != null && !mobileCtl.IsVisibleOnPage(Control.CurrentPage)) 
                { 
                    String s = GetControlPostBackValue(mobileCtl);
                    if (s != null) 
                    {
                        _postBackVariables[control] = s;
                    }
                } 
                else
                { 
                    _postBackVariables[control] = null; 
                }
            } 

            if (control.HasControls())
            {
                foreach (Control child in control.Controls) 
                {
                    BuildControlPostBacksRecursive(child); 
                } 
            }
        } 

        /// 
        public override bool HandlePostBackEvent(String eventArgument)
        { 
            String eventSource = eventArgument;
            int comma = eventSource.IndexOf(','); 
            if (comma == -1) 
            {
                eventArgument = null; 
            }
            else
            {
                eventArgument = eventSource.Substring(comma + 1); 
                eventSource = eventSource.Substring(0, comma);
            } 
 
            if (eventSource.Length > 0)
            { 
                Control sourceControl = Page.FindControl(eventSource);
                if (sourceControl != null && sourceControl is IPostBackEventHandler)
                {
                    ((IPostBackEventHandler)sourceControl).RaisePostBackEvent(eventArgument); 
                }
            } 
 
            return true;
        } 

        /// 
        protected internal virtual void RenderExtraCardElements(WmlMobileTextWriter writer)
        { 
            Form form = this.Control as Form;
            if((form != null) && (form.Script != null)) 
            { 
                foreach(Control childControl in form.Script.Controls)
                { 
                    LiteralControl lc = childControl as LiteralControl;
                    if(lc != null)
                    {
                        writer.Write(lc.Text); 
                    }
                    else 
                    { 
                        DataBoundLiteralControl dlc = childControl as DataBoundLiteralControl;
                        if(dlc != null) 
                        {
                            writer.Write(dlc.Text);
                        }
                    } 
                }
            } 
         } 

        ///  
        protected internal virtual void RenderCardTag(WmlMobileTextWriter writer, IDictionary attributes)
        {
            writer.WriteBeginTag("card");
            if (attributes != null) 
            {
                foreach (DictionaryEntry entry in attributes) 
                { 
                    writer.WriteAttribute((String)entry.Key, (String)entry.Value, true);
                } 
            }
            writer.WriteLine(">");
        }
 
        /////////////////////////////////////////////////////////////////////////
        //  SECONDARY UI SUPPORT 
        ///////////////////////////////////////////////////////////////////////// 

        private Control _secondaryUIControl; 
        private int _secondaryUIMode;

        internal int GetSecondaryUIMode(Control control)
        { 
            return (control != null && _secondaryUIControl == control) ? _secondaryUIMode : NotSecondaryUI;
        } 
 
        internal void SetSecondaryUIMode(Control control, int mode)
        { 
            if (mode != NotSecondaryUI)
            {
                if (_secondaryUIControl != null && _secondaryUIControl != control)
                { 
                    throw new Exception(
                        SR.GetString(SR.FormAdapterMultiControlsAttemptSecondaryUI)); 
                } 
                _secondaryUIControl = control;
                _secondaryUIMode = mode; 
                return;
            }

            if (control == _secondaryUIControl) 
            {
                _secondaryUIControl = null; 
            } 
        }
 
        internal Control SecondaryUIControl
        {
            get
            { 
                return _secondaryUIControl;
            } 
        } 

        //identical to method in htmlformadapter 
        private static void SetControlPageRecursive(Control control, int page)
        {
            MobileControl mc = control as MobileControl;
            if(mc != null) 
            {
                mc.FirstPage = page; 
                mc.LastPage = page; 
            }
            if (control.HasControls()) 
            {
                foreach (Control child in control.Controls)
                {
                    MobileControl mobileChild = child as MobileControl; 
                    if (mobileChild != null)
                    { 
                            mobileChild.FirstPage = page; 
                            mobileChild.LastPage = page;
                    } 
                    else
                    {
                        SetControlPageRecursive(child, page);
                    } 
                }
            } 
        } 

    } 

}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.Collections; 
using System.Collections.Specialized;
using System.Globalization; 
using System.Web.UI.MobileControls;
using System.Web.UI.MobileControls.Adapters;
using System.Web.Security;
using System.Security.Permissions; 

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

{
 
    /*
     * WmlFormAdapter 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 WmlFormAdapter : WmlControlAdapter
    { 
        private IDictionary _postBackVariables = null; 

        ///  
        protected new Form Control
        {
            get
            { 
                return (Form)base.Control;
            } 
        } 

        ///  
        public override void Render(WmlMobileTextWriter writer)
        {
            String formsAuthCookieName = FormsAuthentication.FormsCookieName;
            if(!Device.SupportsRedirectWithCookie) 
            {
                if(!String.IsNullOrEmpty(formsAuthCookieName)) 
                { 
                    HttpContext.Current.Response.Cookies.Remove(formsAuthCookieName);
                } 
            }

            writer.BeginForm(Control);
            if (Page.Adapter.PersistCookielessData && 
                Device.CanRenderOneventAndPrevElementsTogether &&
                !String.IsNullOrEmpty(formsAuthCookieName) && 
                Control == Page.ActiveForm ) 
            {
                IDictionary dictionary = PageAdapter.CookielessDataDictionary; 
                if(dictionary != null)
                {
                    String value = (String)dictionary[formsAuthCookieName];
                    if(!String.IsNullOrEmpty(value)) 
                    {
                        writer.AddFormVariable("__facn", value, false); 
                    } 
                }
            } 
            MobileControl secondaryUIControl = SecondaryUIControl as MobileControl;
            writer.EnterLayout(Style);
            if (secondaryUIControl != null && secondaryUIControl.Form == Control)
            { 
                SetControlPageRecursive(secondaryUIControl, -1);
                secondaryUIControl.RenderControl(writer); 
            } 
            else
            { 
                if (Control.HasControls())
                {
                    Panel header = Control.Header;
                    Panel footer = Control.Footer; 

                    if (header != null) 
                    { 
                        writer.BeginCustomMarkup();
                        header.RenderControl(writer); 
                        writer.EndCustomMarkup();
                    }

                    foreach(Control control in Control.Controls) 
                    {
                        if (control != header && control != footer) 
                        { 
                            control.RenderControl(writer);
                        } 
                    }

                    RenderPager(writer);
 
                    if (footer != null)
                    { 
                        writer.BeginCustomMarkup(); 
                        footer.RenderControl(writer);
                        writer.EndCustomMarkup(); 
                    }
                }
                else
                { 
                    RenderPager(writer);
                } 
            } 
            writer.ExitLayout(Style);
            writer.EndForm(); 
        }

        /// 
        protected virtual void RenderPager(WmlMobileTextWriter writer) 
        {
            PagerStyle pagerStyle = Control.PagerStyle; 
            int pageCount = Control.PageCount; 
            if (pageCount <= 1)
            { 
                return;
            }
            int page = Control.CurrentPage;
 
            writer.EnterStyle(pagerStyle);
            if (page < pageCount) 
            { 
                String nextPageText = pagerStyle.GetNextPageText(page);
                RenderPostBackEvent(writer, 
                                    (page + 1).ToString(CultureInfo.InvariantCulture),
                                    writer.IsValidSoftkeyLabel(nextPageText) ? nextPageText
                                                                             : GetDefaultLabel(NextLabel),
                                    true, 
                                    nextPageText,
                                    true); 
            } 

            if (page > 1) 
            {
                String prevPageText = pagerStyle.GetPreviousPageText(page);
                RenderPostBackEvent(writer,
                                    (page - 1).ToString(CultureInfo.InvariantCulture), 
                                    writer.IsValidSoftkeyLabel(prevPageText) ? prevPageText
                                                                             : GetDefaultLabel(PreviousLabel), 
                                    true, 
                                    prevPageText,
                                    true); 
            }
            writer.ExitStyle(pagerStyle);
        }
 
        /// 
        public virtual IDictionary CalculatePostBackVariables() 
        { 
            if (_postBackVariables == null)
            { 
                _postBackVariables = new ListDictionary();
                BuildControlPostBacksRecursive(Control);
            }
            return _postBackVariables; 
        }
 
        private void BuildControlPostBacksRecursive(Control control) 
        {
            if (control is IPostBackDataHandler 
                && !(control is IPostBackEventHandler)
                && control.Visible && control != Control)
            {
                MobileControl mobileCtl = control as MobileControl; 

                if (mobileCtl != null && !mobileCtl.IsVisibleOnPage(Control.CurrentPage)) 
                { 
                    String s = GetControlPostBackValue(mobileCtl);
                    if (s != null) 
                    {
                        _postBackVariables[control] = s;
                    }
                } 
                else
                { 
                    _postBackVariables[control] = null; 
                }
            } 

            if (control.HasControls())
            {
                foreach (Control child in control.Controls) 
                {
                    BuildControlPostBacksRecursive(child); 
                } 
            }
        } 

        /// 
        public override bool HandlePostBackEvent(String eventArgument)
        { 
            String eventSource = eventArgument;
            int comma = eventSource.IndexOf(','); 
            if (comma == -1) 
            {
                eventArgument = null; 
            }
            else
            {
                eventArgument = eventSource.Substring(comma + 1); 
                eventSource = eventSource.Substring(0, comma);
            } 
 
            if (eventSource.Length > 0)
            { 
                Control sourceControl = Page.FindControl(eventSource);
                if (sourceControl != null && sourceControl is IPostBackEventHandler)
                {
                    ((IPostBackEventHandler)sourceControl).RaisePostBackEvent(eventArgument); 
                }
            } 
 
            return true;
        } 

        /// 
        protected internal virtual void RenderExtraCardElements(WmlMobileTextWriter writer)
        { 
            Form form = this.Control as Form;
            if((form != null) && (form.Script != null)) 
            { 
                foreach(Control childControl in form.Script.Controls)
                { 
                    LiteralControl lc = childControl as LiteralControl;
                    if(lc != null)
                    {
                        writer.Write(lc.Text); 
                    }
                    else 
                    { 
                        DataBoundLiteralControl dlc = childControl as DataBoundLiteralControl;
                        if(dlc != null) 
                        {
                            writer.Write(dlc.Text);
                        }
                    } 
                }
            } 
         } 

        ///  
        protected internal virtual void RenderCardTag(WmlMobileTextWriter writer, IDictionary attributes)
        {
            writer.WriteBeginTag("card");
            if (attributes != null) 
            {
                foreach (DictionaryEntry entry in attributes) 
                { 
                    writer.WriteAttribute((String)entry.Key, (String)entry.Value, true);
                } 
            }
            writer.WriteLine(">");
        }
 
        /////////////////////////////////////////////////////////////////////////
        //  SECONDARY UI SUPPORT 
        ///////////////////////////////////////////////////////////////////////// 

        private Control _secondaryUIControl; 
        private int _secondaryUIMode;

        internal int GetSecondaryUIMode(Control control)
        { 
            return (control != null && _secondaryUIControl == control) ? _secondaryUIMode : NotSecondaryUI;
        } 
 
        internal void SetSecondaryUIMode(Control control, int mode)
        { 
            if (mode != NotSecondaryUI)
            {
                if (_secondaryUIControl != null && _secondaryUIControl != control)
                { 
                    throw new Exception(
                        SR.GetString(SR.FormAdapterMultiControlsAttemptSecondaryUI)); 
                } 
                _secondaryUIControl = control;
                _secondaryUIMode = mode; 
                return;
            }

            if (control == _secondaryUIControl) 
            {
                _secondaryUIControl = null; 
            } 
        }
 
        internal Control SecondaryUIControl
        {
            get
            { 
                return _secondaryUIControl;
            } 
        } 

        //identical to method in htmlformadapter 
        private static void SetControlPageRecursive(Control control, int page)
        {
            MobileControl mc = control as MobileControl;
            if(mc != null) 
            {
                mc.FirstPage = page; 
                mc.LastPage = page; 
            }
            if (control.HasControls()) 
            {
                foreach (Control child in control.Controls)
                {
                    MobileControl mobileChild = child as MobileControl; 
                    if (mobileChild != null)
                    { 
                            mobileChild.FirstPage = page; 
                            mobileChild.LastPage = page;
                    } 
                    else
                    {
                        SetControlPageRecursive(child, page);
                    } 
                }
            } 
        } 

    } 

}

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

                        

                        

                        
                        

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