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