139 lines
5.2 KiB
C#
139 lines
5.2 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="HtmlCommandAdapter.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.Specialized;
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using System.Diagnostics;
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using System.IO;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.MobileControls;
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using System.Drawing;
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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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* HtmlCommandAdapter class.
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*
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* Copyright (c) 2000 Microsoft Corporation
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*/
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/// <include file='doc\HtmlCommandAdapter.uex' path='docs/doc[@for="HtmlCommandAdapter"]/*' />
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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 HtmlCommandAdapter : HtmlControlAdapter
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{
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/// <include file='doc\HtmlCommandAdapter.uex' path='docs/doc[@for="HtmlCommandAdapter.Control"]/*' />
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protected new Command Control
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{
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get
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{
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return (Command)base.Control;
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}
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}
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/// <include file='doc\HtmlCommandAdapter.uex' path='docs/doc[@for="HtmlCommandAdapter.Render"]/*' />
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public override void Render(HtmlMobileTextWriter writer)
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{
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bool renderLink = false;
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bool renderImage = false;
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// If image is defined and renderable, just do it. Otherwise,
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// render as a link if specified.
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if (!String.IsNullOrEmpty(Control.ImageUrl) &&
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Device.SupportsImageSubmit)
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{
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renderImage = true;
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}
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else if (Control.Format == CommandFormat.Link &&
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Device.JavaScript)
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{
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renderLink = true;
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}
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if (renderLink)
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{
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writer.EnterStyle(Style);
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Form form = Control.Form;
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if (form.Action.Length > 0)
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{
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writer.Write("<a href=\"javascript:document.");
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writer.Write(form.ClientID);
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writer.Write(".submit()\"");
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AddAttributes(writer);
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writer.Write(">");
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writer.WriteText(Control.Text, true);
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writer.WriteEndTag("a");
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}
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else
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{
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RenderBeginLink(writer, Constants.FormIDPrefix + form.UniqueID);
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writer.WriteText(Control.Text, true);
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RenderEndLink(writer);
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}
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writer.ExitStyle(Style, Control.BreakAfter);
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}
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else
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{
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writer.EnterLayout(Style);
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writer.WriteBeginTag("input");
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writer.WriteAttribute("name", Control.UniqueID);
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if (renderImage)
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{
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writer.WriteAttribute("type", "image");
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writer.WriteAttribute("src", Control.ResolveUrl(Control.ImageUrl), true);
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writer.WriteAttribute("alt", Control.Text, true);
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}
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else
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{
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writer.WriteAttribute("type", "submit");
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writer.Write(" value=\"");
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writer.WriteText(Control.Text, true);
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writer.Write("\"");
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}
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AddAttributes(writer);
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writer.Write("/>");
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writer.ExitLayout(Style, Control.BreakAfter);
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}
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}
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/// <include file='doc\HtmlCommandAdapter.uex' path='docs/doc[@for="HtmlCommandAdapter.LoadPostData"]/*' />
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public override bool LoadPostData(String key,
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NameValueCollection data,
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Object controlPrivateData,
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out bool dataChanged)
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{
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dataChanged = false;
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// HTML input tags of type image postback with the coordinates
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// of the click rather than the name of the control.
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String name = Control.UniqueID;
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String postX = data[name + ".x"];
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String postY = data[name + ".y"];
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if (postX != null && postY != null
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&& postX.Length > 0 && postY.Length > 0)
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{
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// set dataChannged to cause RaisePostDataChangedEvent()
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dataChanged = true;
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return true;
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}
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// For other command control, defer to default logic in control.
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return false;
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}
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}
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}
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