337 lines
12 KiB
C#
337 lines
12 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="WmlFormAdapter.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.Collections.Specialized;
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using System.Globalization;
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using System.Web.UI.MobileControls;
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using System.Web.UI.MobileControls.Adapters;
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using System.Web.Security;
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using System.Security.Permissions;
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#if COMPILING_FOR_SHIPPED_SOURCE
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namespace System.Web.UI.MobileControls.ShippedAdapterSource
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#else
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namespace System.Web.UI.MobileControls.Adapters
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#endif
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{
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/*
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* WmlFormAdapter base class contains wml specific methods.
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*
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* Copyright (c) 2000 Microsoft Corporation
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*/
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter"]/*' />
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[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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[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.")]
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public class WmlFormAdapter : WmlControlAdapter
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{
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private IDictionary _postBackVariables = null;
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter.Control"]/*' />
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protected new Form Control
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{
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get
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{
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return (Form)base.Control;
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}
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}
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter.Render"]/*' />
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public override void Render(WmlMobileTextWriter writer)
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{
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String formsAuthCookieName = FormsAuthentication.FormsCookieName;
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if(!Device.SupportsRedirectWithCookie)
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{
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if(!String.IsNullOrEmpty(formsAuthCookieName))
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{
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HttpContext.Current.Response.Cookies.Remove(formsAuthCookieName);
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}
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}
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writer.BeginForm(Control);
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if (Page.Adapter.PersistCookielessData &&
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Device.CanRenderOneventAndPrevElementsTogether &&
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!String.IsNullOrEmpty(formsAuthCookieName) &&
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Control == Page.ActiveForm )
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{
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IDictionary dictionary = PageAdapter.CookielessDataDictionary;
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if(dictionary != null)
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{
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String value = (String)dictionary[formsAuthCookieName];
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if(!String.IsNullOrEmpty(value))
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{
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writer.AddFormVariable("__facn", value, false);
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}
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}
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}
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MobileControl secondaryUIControl = SecondaryUIControl as MobileControl;
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writer.EnterLayout(Style);
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if (secondaryUIControl != null && secondaryUIControl.Form == Control)
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{
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SetControlPageRecursive(secondaryUIControl, -1);
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secondaryUIControl.RenderControl(writer);
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}
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else
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{
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if (Control.HasControls())
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{
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Panel header = Control.Header;
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Panel footer = Control.Footer;
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if (header != null)
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{
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writer.BeginCustomMarkup();
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header.RenderControl(writer);
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writer.EndCustomMarkup();
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}
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foreach(Control control in Control.Controls)
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{
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if (control != header && control != footer)
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{
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control.RenderControl(writer);
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}
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}
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RenderPager(writer);
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if (footer != null)
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{
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writer.BeginCustomMarkup();
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footer.RenderControl(writer);
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writer.EndCustomMarkup();
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}
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}
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else
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{
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RenderPager(writer);
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}
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}
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writer.ExitLayout(Style);
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writer.EndForm();
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}
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter.RenderPager"]/*' />
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protected virtual void RenderPager(WmlMobileTextWriter writer)
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{
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PagerStyle pagerStyle = Control.PagerStyle;
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int pageCount = Control.PageCount;
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if (pageCount <= 1)
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{
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return;
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}
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int page = Control.CurrentPage;
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writer.EnterStyle(pagerStyle);
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if (page < pageCount)
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{
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String nextPageText = pagerStyle.GetNextPageText(page);
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RenderPostBackEvent(writer,
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(page + 1).ToString(CultureInfo.InvariantCulture),
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writer.IsValidSoftkeyLabel(nextPageText) ? nextPageText
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: GetDefaultLabel(NextLabel),
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true,
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nextPageText,
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true);
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}
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if (page > 1)
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{
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String prevPageText = pagerStyle.GetPreviousPageText(page);
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RenderPostBackEvent(writer,
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(page - 1).ToString(CultureInfo.InvariantCulture),
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writer.IsValidSoftkeyLabel(prevPageText) ? prevPageText
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: GetDefaultLabel(PreviousLabel),
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true,
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prevPageText,
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true);
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}
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writer.ExitStyle(pagerStyle);
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}
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter.CalculatePostBackVariables"]/*' />
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public virtual IDictionary CalculatePostBackVariables()
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{
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if (_postBackVariables == null)
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{
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_postBackVariables = new ListDictionary();
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BuildControlPostBacksRecursive(Control);
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}
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return _postBackVariables;
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}
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private void BuildControlPostBacksRecursive(Control control)
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{
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if (control is IPostBackDataHandler
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&& !(control is IPostBackEventHandler)
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&& control.Visible && control != Control)
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{
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MobileControl mobileCtl = control as MobileControl;
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if (mobileCtl != null && !mobileCtl.IsVisibleOnPage(Control.CurrentPage))
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{
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String s = GetControlPostBackValue(mobileCtl);
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if (s != null)
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{
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_postBackVariables[control] = s;
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}
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}
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else
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{
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_postBackVariables[control] = null;
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}
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}
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if (control.HasControls())
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{
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foreach (Control child in control.Controls)
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{
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BuildControlPostBacksRecursive(child);
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}
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}
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}
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter.HandlePostBackEvent"]/*' />
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public override bool HandlePostBackEvent(String eventArgument)
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{
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String eventSource = eventArgument;
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int comma = eventSource.IndexOf(',');
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if (comma == -1)
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{
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eventArgument = null;
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}
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else
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{
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eventArgument = eventSource.Substring(comma + 1);
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eventSource = eventSource.Substring(0, comma);
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}
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if (eventSource.Length > 0)
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{
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Control sourceControl = Page.FindControl(eventSource);
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if (sourceControl != null && sourceControl is IPostBackEventHandler)
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{
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((IPostBackEventHandler)sourceControl).RaisePostBackEvent(eventArgument);
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}
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}
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return true;
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}
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter.RenderExtraCardElements"]/*' />
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protected internal virtual void RenderExtraCardElements(WmlMobileTextWriter writer)
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{
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Form form = this.Control as Form;
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if((form != null) && (form.Script != null))
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{
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foreach(Control childControl in form.Script.Controls)
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{
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LiteralControl lc = childControl as LiteralControl;
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if(lc != null)
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{
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writer.Write(lc.Text);
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}
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else
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{
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DataBoundLiteralControl dlc = childControl as DataBoundLiteralControl;
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if(dlc != null)
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{
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writer.Write(dlc.Text);
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}
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}
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}
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}
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}
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/// <include file='doc\WmlFormAdapter.uex' path='docs/doc[@for="WmlFormAdapter.RenderCardTag"]/*' />
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protected internal virtual void RenderCardTag(WmlMobileTextWriter writer, IDictionary attributes)
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{
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writer.WriteBeginTag("card");
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if (attributes != null)
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{
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foreach (DictionaryEntry entry in attributes)
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{
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writer.WriteAttribute((String)entry.Key, (String)entry.Value, true);
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}
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}
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writer.WriteLine(">");
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}
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/////////////////////////////////////////////////////////////////////////
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// SECONDARY UI SUPPORT
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/////////////////////////////////////////////////////////////////////////
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private Control _secondaryUIControl;
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private int _secondaryUIMode;
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internal int GetSecondaryUIMode(Control control)
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{
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return (control != null && _secondaryUIControl == control) ? _secondaryUIMode : NotSecondaryUI;
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}
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internal void SetSecondaryUIMode(Control control, int mode)
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{
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if (mode != NotSecondaryUI)
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{
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if (_secondaryUIControl != null && _secondaryUIControl != control)
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{
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throw new Exception(
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SR.GetString(SR.FormAdapterMultiControlsAttemptSecondaryUI));
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}
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_secondaryUIControl = control;
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_secondaryUIMode = mode;
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return;
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}
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if (control == _secondaryUIControl)
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{
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_secondaryUIControl = null;
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}
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}
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internal Control SecondaryUIControl
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{
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get
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{
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return _secondaryUIControl;
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}
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}
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//identical to method in htmlformadapter
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private static void SetControlPageRecursive(Control control, int page)
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{
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MobileControl mc = control as MobileControl;
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if(mc != null)
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{
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mc.FirstPage = page;
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mc.LastPage = page;
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}
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if (control.HasControls())
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{
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foreach (Control child in control.Controls)
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{
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MobileControl mobileChild = child as MobileControl;
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if (mobileChild != null)
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{
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mobileChild.FirstPage = page;
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mobileChild.LastPage = page;
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}
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else
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{
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SetControlPageRecursive(child, page);
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}
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}
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}
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}
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}
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}
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