Runtime Object Editor

/* ****************************************************************************
 *  RuntimeObjectEditor
 * 
 * Copyright (c) 2005 Corneliu I. Tusnea
 * 
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the author be held liable for any damages arising from 
 * the use of this software.
 * Permission to use, copy, modify, distribute and sell this software for any 
 * purpose is hereby granted without fee, provided that the above copyright 
 * notice appear in all copies and that both that copyright notice and this 
 * permission notice appear in supporting documentation.
 * 
 * Corneliu I. Tusnea (corneliutusnea@yahoo.com.au)
 * www.acorns.com.au
 * ****************************************************************************/


using System;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Reflection;

namespace RuntimeObjectEditor.Tabs.Methods
{
	/// <summary>
	/// Property descriptor for a Parameter of a Method.
	/// </summary>
	internal class ParameterPropertyDescriptor : PropertyDescriptor
	{
		private readonly ParameterInfo param;
		private readonly MethodPropertyDescriptor methodDesc;
		private object localValue;

		public ParameterPropertyDescriptor(MethodPropertyDescriptor methodDesc, ParameterInfo param)
			: base(param.Name + " (" + param.ParameterType.Name + ")", null)
		{
			this.methodDesc = methodDesc;
			this.param = param;
		}

		public override bool CanResetValue(object component)
		{
			return false;
		}

		public override void ResetValue(object component)
		{
		}

		public override void SetValue(object component, object value)
		{
			localValue = value;
			methodDesc.Invoke();
		}

		public override bool ShouldSerializeValue(object component)
		{
			return false;
		}

		public override object GetValue(object component)
		{
			return localValue;
		}

		public override bool IsReadOnly
		{
			get { return false; }
		}


		public override Type PropertyType
		{
			get { return param.ParameterType; }
		}

		public override Type ComponentType
		{
			get { return param.ParameterType; }
		}

		public override TypeConverter Converter
		{
			get { return base.Converter; }
		}

		protected override void FillAttributes(IList attributeList)
		{
			base.FillAttributes(attributeList);
			attributeList.Add(new RefreshPropertiesAttribute(RefreshProperties.Repaint));
			attributeList.Add(new DesignerAttribute(typeof (MethodDesigner), typeof (IDesigner)));
		}

	}
}