Ticket #234: FCKeditor_Net.patch

FCKeditor.cs

@@ -27 +27 @@
 using System.ComponentModel ;
 using System.Text.RegularExpressions ;
 using System.Globalization ;
-using System.Security.Permissions ;
+using System.Security.Permissions ;
+using System.Reflection ;
 
 namespace FredCK.FCKeditorV2
 {
@@ -43 +44 @@
         [ Designer("FredCK.FCKeditorV2.FCKeditorDesigner") ]
         [ ParseChildren(false) ]
         public class FCKeditor : System.Web.UI.Control, IPostBackDataHandler
-        {
-                private bool _IsCompatible ;
+        {
+                private static MethodInfo getCurrentScriptManagerMethod, registerOnSubmitStatementMethod ;
+                private static PropertyInfo supportsPartialRenderingProperty ;
+                private static readonly string onSubmitScriptTemplate =
+                        "(function()\n{{\n" +
+                        "\tvar editor = FCKeditorAPI.GetInstance('{0}');\n" +
+                        "\tif (editor)\n" +
+                        "\t\teditor.UpdateLinkedField();\n" +
+                        "}})();\n" ;
 
+                static FCKeditor()
+                {
+                        Type scriptManagerType = Type.GetType( "System.Web.UI.ScriptManager, System.Web.Extensions" ) ;
+                        if ( scriptManagerType != null )
+                        {
+                                getCurrentScriptManagerMethod = scriptManagerType.GetMethod( "GetCurrent", new Type[] { typeof( Page ) } ) ;
+                                supportsPartialRenderingProperty = scriptManagerType.GetProperty( "SupportsPartialRendering" ) ;
+                                registerOnSubmitStatementMethod = scriptManagerType.GetMethod( "RegisterOnSubmitStatement", new Type[] { typeof( Control ), typeof( Type ), typeof( String ), typeof( String ) } ) ;
+                        } 
+                }
+
+                private bool _IsCompatible ;
+                
                 public FCKeditor()
                 {}
 
@@ -399 +420 @@
                         
                         _IsCompatible = this.CheckBrowserCompatibility();
 
-                        if ( !_IsCompatible )
+                        if ( !_IsCompatible || getCurrentScriptManagerMethod == null )
                                 return;
+
+                        object oScriptManager = getCurrentScriptManagerMethod.Invoke( null, new object[] { Page } ) ;
 
-                        object oScriptManager = null;
-
-                        // Search for the ScriptManager control in the page.
-                        Control oParent = this.Parent;
-                        while ( oParent != null )
-                        {
-                                foreach ( object control in oParent.Controls )
-                                {
-                                        // Match by type name.
-                                        if ( control.GetType().FullName == "System.Web.UI.ScriptManager" )
-                                        {
-                                                oScriptManager = control;
-                                                break;
-                                        }
-                                }
-
-                                if ( oScriptManager != null )
-                                        break;
-
-                                oParent = oParent.Parent;
-                        }
-
                         // If the ScriptManager control is available.
                         if ( oScriptManager != null )
                         {
-                                try
+                                // Use reflection to check the SupportsPartialRendering
+                                // property value.
+                                bool bSupportsPartialRendering = ((bool)(supportsPartialRenderingProperty.GetValue( oScriptManager, null )));
+
+                                if ( bSupportsPartialRendering )
                                 {
-                                        // Use reflection to check the SupportsPartialRendering
-                                        // property value.
-                                        bool bSupportsPartialRendering = ((bool)(oScriptManager.GetType().GetProperty( "SupportsPartialRendering" ).GetValue( oScriptManager, null )));
+                                        string sScript = String.Format( onSubmitScriptTemplate, this.ClientID );
+
+                                        // Call the RegisterOnSubmitStatement method through
+                                        // reflection.
+                                        registerOnSubmitStatementMethod.Invoke( oScriptManager, new object[] {
+                                                this,
+                                                this.GetType(),
+                                                "FCKeditorAjaxOnSubmit_" + this.ClientID,
+                                                sScript } );
 
-                                        if ( bSupportsPartialRendering )
-                                        {
-                                                string sScript = "(function()\n{\n" +
-                                                        "\tvar editor = FCKeditorAPI.GetInstance('" + this.ClientID + "');\n" +
-                                                        "\tif (editor)\n" +
-                                                        "\t\teditor.UpdateLinkedField();\n" +
-                                                        "})();\n";
-
-                                                // Call the RegisterOnSubmitStatement method through
-                                                // reflection.
-                                                oScriptManager.GetType().GetMethod( "RegisterOnSubmitStatement", new Type[] { typeof( Control ), typeof( Type ), typeof( String ), typeof( String ) } ).Invoke( oScriptManager, new object[] {
-                                                        this,
-                                                        this.GetType(),
-                                                        "FCKeditorAjaxOnSubmit_" + this.ClientID,
-                                                        sScript } );
-
-                                                // Tell the editor that we are handling the submit.
-                                                this.Config[ "PreventSubmitHandler" ] = "true";
-                                        }
+                                        // Tell the editor that we are handling the submit.
+                                        this.Config[ "PreventSubmitHandler" ] = "true";
                                 }
-                                catch { }
                         }
                 }