-/* System.Web.UI.HtmlControls\r
-* Authors\r
-* Leen Toelen (toelen@hotmail.com)\r
-*/\r
-\r
-using System;\r
-using System.Web;\r
-using System.Web.UI;\r
-using System.Globalization;\r
-using System.Collections.Specialized;\r
-\r
-namespace System.Web.UI.HtmlControls{\r
- \r
- public class HtmlInputHidden : HtmlInputControl, IPostBackDataHandler{\r
- \r
- private static readonly object EventServerChange;\r
- \r
- public HtmlInputHidden () : base ("hidden")\r
- {\r
- }\r
- \r
- public bool LoadPostData(string postDataKey, NameValueCollection postCollection){\r
- string postValue = postCollection[postDataKey];\r
- if (postValue != null)\r
- Value = postValue;\r
- return false;\r
- }\r
- \r
- public virtual void RaisePostDataChangedEvent(){\r
- OnServerChange(EventArgs.Empty);\r
- }\r
- \r
- protected void OnServerChange(EventArgs e){\r
- EventHandler handler = (EventHandler) Events[EventServerChange];\r
- if (handler != null) handler.Invoke(this, e);\r
- }\r
- \r
- protected override void OnPreRender(EventArgs e){\r
- if (Events[EventServerChange] != null && !Disabled)\r
- ViewState.SetItemDirty("value",false);\r
- }\r
- \r
- public event EventHandler ServerChange{\r
- add{\r
- Events.AddHandler(EventServerChange, value);\r
- }\r
- remove{\r
- Events.RemoveHandler(EventServerChange, value);\r
- }\r
- }\r
- \r
- } // class HtmlInputFile\r
-} // namespace System.Web.UI.HtmlControls\r
-\r
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+//
+// System.Web.UI.HtmlControls.HtmlInputHidden.cs
+//
+// Authors:
+// Jackson Harper (jackson@ximian.com)
+//
+// (C) 2005 Novell, Inc.
+
+using System.ComponentModel;
+using System.Collections.Specialized;
+using System.Security.Permissions;
+
+namespace System.Web.UI.HtmlControls {
+
+ // CAS
+ [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ // attributes
+ [DefaultEvent ("ServerChange")]
+#if NET_2_0
+ [SupportsEventValidation]
+#endif
+ public class HtmlInputHidden : HtmlInputControl, IPostBackDataHandler {
+
+ static readonly object ServerChangeEvent = new object ();
+
+ public HtmlInputHidden () : base ("hidden")
+ {
+ }
+
+ bool LoadPostDataInternal (string postDataKey, NameValueCollection postCollection)
+ {
+ string data = postCollection [postDataKey];
+ if (data != null && data != Value) {
+#if NET_2_0
+ ValidateEvent (postDataKey, String.Empty);
+#endif
+ Value = data;
+ return true;
+ }
+ return false;
+ }
+
+ void RaisePostDataChangedEventInternal ()
+ {
+ OnServerChange (EventArgs.Empty);
+ }
+
+#if NET_2_0
+ protected virtual bool LoadPostData (string postDataKey, NameValueCollection postCollection)
+ {
+ return LoadPostDataInternal (postDataKey, postCollection);
+ }
+
+ protected virtual void RaisePostDataChangedEvent ()
+ {
+ RaisePostDataChangedEventInternal ();
+ }
+#endif
+
+ bool IPostBackDataHandler.LoadPostData (string postDataKey,
+ NameValueCollection postCollection)
+ {
+#if NET_2_0
+ return LoadPostData (postDataKey, postCollection);
+#else
+ return LoadPostDataInternal (postDataKey, postCollection);
+#endif
+ }
+
+ void IPostBackDataHandler.RaisePostDataChangedEvent ()
+ {
+#if NET_2_0
+ RaisePostDataChangedEvent ();
+#else
+ RaisePostDataChangedEventInternal ();
+#endif
+ }
+
+#if NET_2_0
+ protected override void RenderAttributes (HtmlTextWriter writer)
+ {
+ Page page = Page;
+ if (page != null)
+ page.ClientScript.RegisterForEventValidation (Name);
+ base.RenderAttributes (writer);
+ }
+
+ protected internal
+#else
+ protected
+#endif
+ override void OnPreRender (EventArgs e)
+ {
+ base.OnPreRender (e);
+
+ if (Page != null && !Disabled) {
+ Page.RegisterRequiresPostBack (this);
+#if NET_2_0
+ Page.RegisterEnabledControl (this);
+#endif
+ }
+ }
+
+ protected virtual void OnServerChange (EventArgs e)
+ {
+ EventHandler handler = (EventHandler) Events [ServerChangeEvent];
+ if (handler != null)
+ handler (this, e);
+ }
+
+ [WebSysDescription("")]
+ [WebCategory("Action")]
+ public event EventHandler ServerChange {
+ add { Events.AddHandler (ServerChangeEvent, value); }
+ remove { Events.RemoveHandler (ServerChangeEvent, value); }
+ }
+ }
+}
projects / mono.git / blobdiff