[asp.net] HtmlForum.Name rendering updates + test updates
[mono.git] / mcs / class / System.Web / System.Web.UI / CollectionBuilder.cs
index 0d41f88b665cef523547c630cc0cc0c033d49ce2..9f9a9f49528f765e08d596a3983cafc924221bc8 100644 (file)
@@ -7,15 +7,37 @@
 // (c) 2003 Ximian, Inc. (http://www.ximian.com)
 //
 
+//
+// 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.
+//
+
 using System;
 using System.Collections;
 using System.Reflection;
+using System.Text;
 
 namespace System.Web.UI
 {
        sealed class CollectionBuilder : ControlBuilder
        {
-               Type elementType;
+               Type[] possibleElementTypes;
 
                internal CollectionBuilder ()
                {
@@ -23,15 +45,28 @@ namespace System.Web.UI
 
                public override void AppendLiteralString (string s)
                {
-                       if (s != null && s.Trim () != "")
+                       if (s != null && s.Trim ().Length > 0)
                                throw new HttpException ("Literal content not allowed for " + ControlType);
                }
 
                public override Type GetChildControlType (string tagName, IDictionary attribs)
                {
                        Type t = Root.GetChildControlType (tagName, attribs);
-                       if (elementType != null && !elementType.IsAssignableFrom (t)) 
-                               throw new HttpException ("Cannot add a " + t + " to " + elementType);
+                       if (possibleElementTypes != null) {
+                               bool foundMatchingType = false;
+                               for (int i = 0; i < possibleElementTypes.Length && !foundMatchingType; ++i)
+                                       foundMatchingType = possibleElementTypes[i].IsAssignableFrom (t);
+                               
+                               if (!foundMatchingType) {
+                                       StringBuilder possibleTypesString = new StringBuilder ();
+                                       for (int i = 0; i < possibleElementTypes.Length; i++) {
+                                               if (i != 0)
+                                                       possibleTypesString.Append (", ");
+                                               possibleTypesString.Append (possibleElementTypes[i]);
+                                       }
+                                       throw new HttpException ("Cannot add a " + t + " to " + possibleTypesString);
+                               }
+                       }
 
                        return t;
                }
@@ -42,14 +77,19 @@ namespace System.Web.UI
                                           string tagName,
                                           string id,
                                           IDictionary attribs)
-               {
+               {                       
                        base.Init (parser, parentBuilder, type, tagName, id, attribs);
 
-                       PropertyInfo prop = parentBuilder.ControlType.GetProperty (tagName, flagsNoCase);
+                       PropertyInfo prop = parentBuilder.ControlType.GetProperty (tagName, FlagsNoCase);
                        SetControlType (prop.PropertyType);
 
-                       prop = ControlType.GetProperty ("Item", flagsNoCase & ~BindingFlags.IgnoreCase);
-                       elementType = prop.PropertyType;
+                       MemberInfo[] mems = ControlType.GetMember ("Item", MemberTypes.Property, FlagsNoCase & ~BindingFlags.IgnoreCase);
+                       if (mems.Length > 0) {
+                               possibleElementTypes = new Type [mems.Length];
+                               for (int i = 0; i < mems.Length; ++i)
+                                       possibleElementTypes [i] = ((PropertyInfo)mems [i]).PropertyType;
+                       } else
+                               throw new HttpException ("Collection of type '" + ControlType + "' does not have an indexer.");
                }
        }
 }