implement ISupportsExtraData for Command

MBS.Framework/Command.cs

@@ -1,8 +1,9 @@
 using System;
+using System.Collections.Generic;
 
 namespace MBS.Framework
 {
-	public class Command
+	public class Command : ISupportsExtraData
 	{
 		public class CommandCollection
 			: System.Collections.ObjectModel.Collection<Command>
@@ -99,6 +100,36 @@ namespace MBS.Framework
 		{
 			return String.Format("{0} [{1}]", ID, Title);
 		}
+
+		private Dictionary<string, object> _extraData = new Dictionary<string, object>();
+		public T GetExtraData<T>(string key, T defaultValue = default(T))
+		{
+			if (_extraData.ContainsKey(key))
+			{
+				if (_extraData[key] is T)
+				{
+					return (T)_extraData[key];
+				}
+			}
+			return defaultValue;
+		}
+
+		public void SetExtraData<T>(string key, T value)
+		{
+			_extraData[key] = value;
+		}
+
+		public object GetExtraData(string key, object defaultValue = null)
+		{
+			if (_extraData.ContainsKey(key))
+				return _extraData[key];
+			return defaultValue;
+		}
+
+		public void SetExtraData(string key, object value)
+		{
+			_extraData[key] = value;
+		}
 	}
 }
 

MBS.Framework/ISupportsExtraData.cs

@@ -0,0 +1,60 @@
+//
+//  ISupportsExtraData.cs - interface for providing GetExtraData / SetExtraData methods
+//
+//  Author:
+//       Michael Becker <alcexhim@gmail.com>
+//
+//  Copyright (c) 2019-2021 Mike Becker's Software
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+namespace MBS.Framework
+{
+	/// <summary>
+	/// Provides methods to store and retrieve extra data parameters on objects.
+	/// </summary>
+	public interface ISupportsExtraData
+	{
+		/// <summary>
+		/// Gets the extra data with the specified key. If the extra data with the given key is not present,
+		/// return the specified default value.
+		/// </summary>
+		/// <returns>The extra data with the specified key, or <paramref name="defaultValue" /> if not present.</returns>
+		/// <param name="key">The key to look up.</param>
+		/// <param name="defaultValue">The default value to return if the key is not present.</param>
+		/// <typeparam name="T">The type of data item to return.</typeparam>
+		T GetExtraData<T>(string key, T defaultValue = default(T));
+		/// <summary>
+		/// Sets the extra data with the specified key and value.
+		/// </summary>
+		/// <param name="key">The name of the data item to set.</param>
+		/// <param name="value">The value to set.</param>
+		/// <typeparam name="T">The type of data item to set.</typeparam>
+		void SetExtraData<T>(string key, T value);
+		/// <summary>
+		/// Gets the extra data with the specified key. If the extra data with the given key is not present,
+		/// return the specified default value.
+		/// </summary>
+		/// <returns>The extra data with the specified key, or <paramref name="defaultValue" /> if not present.</returns>
+		/// <param name="key">The key to look up.</param>
+		/// <param name="defaultValue">The default value to return if the key is not present.</param>
+		object GetExtraData(string key, object defaultValue = null);
+		/// <summary>
+		/// Sets the extra data with the specified key and value.
+		/// </summary>
+		/// <param name="key">The name of the data item to set.</param>
+		/// <param name="value">The value to set.</param>
+		void SetExtraData(string key, object value);
+	}
+}

MBS.Framework/MBS.Framework.csproj

@@ -11,6 +11,8 @@
     <SchemaVersion>2.0</SchemaVersion>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\Production.snk</AssemblyOriginatorKeyFile>
+    <ReleaseVersion>4.0.2021.01</ReleaseVersion>
+    <SynchReleaseVersion>false</SynchReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -92,6 +94,7 @@
     <Compile Include="Scripting\Strings\StringComponents\LiteralStringComponent.cs" />
     <Compile Include="Scripting\ScriptEnvironment.cs" />
     <Compile Include="Collections\Generic\ExtensionMethods.cs" />
+    <Compile Include="ISupportsExtraData.cs" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Logic\" />