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//
// System.Web.UI.Design.ExpressionEditor
//
// Authors:
// Chris Toshok (toshok@ximian.com)
//
// (C) 2006 Novell, Inc (http://www.novell.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.
//
#if NET_2_0
using System;
using System.Collections;
using System.Reflection;
using System.Web.Compilation;
using System.Web.Configuration;
using _Configuration = System.Configuration.Configuration;
namespace System.Web.UI.Design {
public abstract class ExpressionEditor
{
Type expressionBuilderType;
string prefixFromReflection;
public ExpressionEditor ()
{
}
public virtual string ExpressionPrefix {
get { return prefixFromReflection; }
}
Type ExpressionBuilderType {
set {
expressionBuilderType = value;
prefixFromReflection = "";
object[] attrs = expressionBuilderType.GetCustomAttributes (typeof (ExpressionPrefixAttribute), false);
if (attrs != null && attrs.Length > 0) {
ExpressionPrefixAttribute pa = (ExpressionPrefixAttribute)attrs[0];
prefixFromReflection = pa.ExpressionPrefix;
}
}
}
public abstract object EvaluateExpression (string expression, object parseTimeData, Type propertyType, IServiceProvider serviceProvider);
public static ExpressionEditor GetExpressionEditor (string expressionPrefix, IServiceProvider serviceProvider)
{
if (serviceProvider == null)
return null;
IWebApplication webApp = (IWebApplication)serviceProvider.GetService(typeof(IWebApplication));
if (webApp == null)
return null;
_Configuration config = webApp.OpenWebConfiguration(true);
if (config == null)
return null;
CompilationSection sec = (CompilationSection) config.GetSection ("system.web/compilation");
System.Web.Configuration.ExpressionBuilder builder = sec.ExpressionBuilders [expressionPrefix];
if (builder == null)
return null;
return GetExpressionEditor (Type.GetType (builder.Type), serviceProvider);
}
[MonoTODO ("the docs make it sound like this still requires accessing <expressionBuilders>")]
public static ExpressionEditor GetExpressionEditor (Type expressionBuilderType, IServiceProvider serviceProvider)
{
object[] attrs = expressionBuilderType.GetCustomAttributes (typeof (ExpressionEditorAttribute), false);
if (attrs == null || attrs.Length == 0)
return null;
ExpressionEditorAttribute ee = (ExpressionEditorAttribute) attrs[0];
Type editor_type = Type.GetType (ee.EditorTypeName);
ExpressionEditor editor = (ExpressionEditor) Activator.CreateInstance (editor_type);
editor.ExpressionBuilderType = expressionBuilderType;
return editor;
}
public virtual ExpressionEditorSheet GetExpressionEditorSheet (string expression, IServiceProvider serviceProvider)
{
throw new NotImplementedException ();
}
}
}
#endif
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