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+//
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+// System.Web.UI.WebControls.Substitution.cs
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+//
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+// Authors:
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+// Marek Habersack ([email protected])
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+//
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+// (C) 2008 Novell, Inc (http://www.novell.com)
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining
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+// a copy of this software and associated documentation files (the
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+// "Software"), to deal in the Software without restriction, including
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+// without limitation the rights to use, copy, modify, merge, publish,
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+// distribute, sublicense, and/or sell copies of the Software, and to
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+// permit persons to whom the Software is furnished to do so, subject to
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+// the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be
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+// included in all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+//
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+
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+#if NET_2_0
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+using System;
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+using System.ComponentModel;
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+using System.Security.Permissions;
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+using System.Web;
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+using System.Web.UI;
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+
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+namespace System.Web.UI.WebControls
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+{
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+ [AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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+ [AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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+ [DefaultProperty ("MethodName")]
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+ [ParseChildren (true)]
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+ [PersistChildren (false)]
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+ public class Substitution : Control
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+ {
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+ [DefaultValue ("")]
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+ [WebCategory ("Behavior")]
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+ public virtual string MethodName {
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+ get {
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+ string methodName = ViewState ["MethodName"] as string;
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+ if (String.IsNullOrEmpty (methodName))
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+ return String.Empty;
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+
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+ return methodName;
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+ }
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+
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+ set { ViewState ["MethodName"] = value; }
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+ }
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+
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+ public Substitution ()
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+ {}
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+
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+ protected override ControlCollection CreateControlCollection ()
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+ {
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+ return new EmptyControlCollection (this);
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+ }
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+
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+ [MonoTODO ("Why override?")]
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+ protected internal override void OnPreRender (EventArgs e)
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+ {
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+ base.OnPreRender (e);
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+ }
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+
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+ protected internal override void Render (HtmlTextWriter writer)
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+ {
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+ string method = MethodName;
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+ if (method.Length == 0)
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+ return;
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+
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+ TemplateControl tc = TemplateControl;
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+ if (tc == null)
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+ return;
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+
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+ HttpContext ctx = Context;
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+ HttpResponse resp = ctx != null ? ctx.Response : null;
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+
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+ if (resp == null)
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+ return;
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+
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+ resp.WriteSubstitution (CreateCallback (method, tc));
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+ }
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+
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+ HttpResponseSubstitutionCallback CreateCallback (string method, TemplateControl tc)
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+ {
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+ try {
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+ return Delegate.CreateDelegate (typeof(HttpResponseSubstitutionCallback),
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+ tc.GetType (),
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+ method,
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+ true,
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+ true) as HttpResponseSubstitutionCallback;
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+ } catch (Exception ex) {
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+ throw new HttpException ("Cannot find static method '" + method + "' matching HttpResponseSubstitutionCallback", ex);
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+ }
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+ }
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+ }
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+}
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+#endif
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Marek Habersack