Merge branch 'release/1.4'

PettingZoo.Benchmark/PettingZoo.Benchmark.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
+</Project>

PettingZoo.Benchmark/Program.cs

@@ -0,0 +1,138 @@
+using System.Text;
+using System.Text.Json;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Running;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace PettingZoo.Benchmark
+{
+    /*
+    
+
+        Small JSON
+
+
+        |           Method |      Mean |     Error |    StdDev |  Gen 0 | Allocated |
+        |----------------- |----------:|----------:|----------:|-------:|----------:|
+        |  TestJsonConvert | 13.226 us | 0.1808 us | 0.1603 us | 3.6316 |     15 KB |
+        |  TestJTokenParse | 12.360 us | 0.2453 us | 0.5010 us | 3.6011 |     15 KB |
+        | TestReaderWriter |  6.398 us | 0.1260 us | 0.1294 us | 2.0294 |      8 KB |
+        | TestJsonDocument |  4.400 us | 0.0758 us | 0.0902 us | 2.1019 |      9 KB |
+
+
+
+        Large JSON (25 MB)
+
+        |           Method |       Mean |    Error |   StdDev |      Gen 0 |      Gen 1 |     Gen 2 | Allocated |
+        |----------------- |-----------:|---------:|---------:|-----------:|-----------:|----------:|----------:|
+        |  TestJsonConvert | 1,331.6 ms | 20.36 ms | 19.05 ms | 57000.0000 | 21000.0000 | 3000.0000 |    390 MB |
+        |  TestJTokenParse | 1,411.0 ms | 27.28 ms | 24.18 ms | 62000.0000 | 23000.0000 | 4000.0000 |    415 MB |
+        | TestReaderWriter |   298.6 ms |  5.89 ms |  9.34 ms | 25000.0000 |  8000.0000 | 2000.0000 |    199 MB |
+        | TestJsonDocument |   278.5 ms |  5.29 ms |  6.30 ms |          - |          - |         - |    246 MB |
+            
+
+    */
+    [MemoryDiagnoser]
+    public class JsonPrettyPrint
+    {
+        // Small Json file, which is likely to be typical for most RabbitMQ messages.
+        private const string Json = "{\"glossary\":{\"title\":\"example glossary\",\"GlossDiv\":{\"title\":\"S\",\"GlossList\":{\"GlossEntry\":{\"ID\":\"SGML\",\"SortAs\":\"SGML\",\"GlossTerm\":\"Standard Generalized Markup Language\",\"Acronym\":\"SGML\",\"Abbrev\":\"ISO 8879:1986\",\"GlossDef\":{\"para\":\"A meta-markup language, used to create markup languages such as DocBook.\",\"GlossSeeAlso\":[\"GML\",\"XML\"]},\"GlossSee\":\"markup\"}}}}}";
+
+        // To test with a large file instead, specify the file name here.
+        // For example, I've benchmarked it with this 25 MB JSON file: https://raw.githubusercontent.com/json-iterator/test-data/master/large-file.json
+        //private const string JsonFilename = "";
+        private const string JsonFilename = "D:\\Temp\\large-file.json";
+
+
+        private readonly string testJson;
+
+
+        public JsonPrettyPrint()
+        {
+            testJson = string.IsNullOrEmpty(JsonFilename)
+                ? Json
+                : File.ReadAllText(JsonFilename);
+        }
+
+
+        [Benchmark]
+        public string TestJsonConvert()
+        {
+            var obj = JsonConvert.DeserializeObject(testJson);
+            return JsonConvert.SerializeObject(obj, Formatting.Indented);
+        }
+
+
+        [Benchmark]
+        public string TestJTokenParse()
+        {
+            var obj = JToken.Parse(testJson);
+            return obj.ToString(Formatting.Indented);
+        }
+
+
+        [Benchmark]
+        public string TestReaderWriter()
+        {
+            using var stringReader = new StringReader(testJson);
+            using var jsonTextReader = new JsonTextReader(stringReader);
+            using var stringWriter = new StringWriter();
+            using var jsonWriter = new JsonTextWriter(stringWriter);
+
+            jsonWriter.Formatting = Formatting.Indented;
+
+            while (jsonTextReader.Read())
+                jsonWriter.WriteToken(jsonTextReader);
+
+            jsonWriter.Flush();
+            return stringWriter.ToString();
+        }
+
+
+        [Benchmark]
+        public string TestJsonDocument()
+        {
+            var doc = JsonDocument.Parse(testJson);
+
+            using var stream = new MemoryStream();
+            var writer = new Utf8JsonWriter(stream, new JsonWriterOptions { Indented = true });
+            doc.WriteTo(writer);
+            writer.Flush();
+
+            return Encoding.UTF8.GetString(stream.ToArray());
+        }
+
+
+        
+    }
+
+
+    public class Program
+    {
+        public static void Main()
+        {
+            BenchmarkRunner.Run<JsonPrettyPrint>();
+
+            // To prove they all provide the correct output
+            /*
+            var prettyPrint = new JsonPrettyPrint();
+            Console.WriteLine("JsonConvert");
+            Console.WriteLine("-----------");
+            Console.WriteLine(prettyPrint.TestJsonConvert());
+
+            Console.WriteLine("JToken");
+            Console.WriteLine("------");
+            Console.WriteLine(prettyPrint.TestJTokenParse());
+
+            Console.WriteLine("ReaderWriter");
+            Console.WriteLine("------------");
+            Console.WriteLine(prettyPrint.TestReaderWriter());
+
+            Console.WriteLine("JsonDocument");
+            Console.WriteLine("------------");
+            Console.WriteLine(prettyPrint.TestJsonDocument());
+            */
+        }
+    }
+}

PettingZoo.Core/Connection/ConnectionParams.cs

@@ -17,5 +17,11 @@
             Username = username;
             Password = password;
         }
+
+
+        public override string ToString()
+        {
+            return $"{Host}:{Port}{VirtualHost}";
+        }
     }
 }

PettingZoo.Core/Connection/DynamicConnection.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Threading.Tasks;
+
+namespace PettingZoo.Core.Connection
+{
+    public class DynamicConnection : IConnection
+    {
+        public Guid ConnectionId => currentConnection?.ConnectionId ?? Guid.Empty;
+        public ConnectionParams? ConnectionParams { get; private set; }
+        public ConnectionStatus Status { get; private set; } = ConnectionStatus.Disconnected;
+        public event EventHandler<StatusChangedEventArgs>? StatusChanged;
+
+
+        private IConnection? currentConnection;
+
+
+        public async ValueTask DisposeAsync()
+        {
+            if (currentConnection != null)
+                await currentConnection.DisposeAsync();
+
+            GC.SuppressFinalize(this);
+        }
+
+
+        public void Connect()
+        {
+            CheckConnection();
+            currentConnection.Connect();
+
+        }
+
+        public async ValueTask Disconnect()
+        {
+            if (currentConnection == null)
+                return;
+
+            var disconnectedConnectionId = currentConnection.ConnectionId;
+            await currentConnection.DisposeAsync();
+            currentConnection = null;
+
+            ConnectionStatusChanged(this, new StatusChangedEventArgs(disconnectedConnectionId, ConnectionStatus.Disconnected));
+        }
+
+
+        public void SetConnection(IConnection connection)
+        {
+            if (currentConnection != null)
+            {
+                currentConnection.StatusChanged -= ConnectionStatusChanged;
+                ConnectionStatusChanged(this, new StatusChangedEventArgs(currentConnection.ConnectionId, ConnectionStatus.Disconnected));
+            }
+
+            currentConnection = connection;
+
+            // Assume we get the new connection before Connect is called, thus before the status changes
+            if (currentConnection != null)
+                currentConnection.StatusChanged += ConnectionStatusChanged;
+        }
+
+
+        public ISubscriber Subscribe(string exchange, string routingKey)
+        {
+            CheckConnection();
+            return currentConnection.Subscribe(exchange, routingKey);
+        }
+
+
+        public ISubscriber Subscribe()
+        {
+            CheckConnection();
+            return currentConnection.Subscribe();
+        }
+
+
+        public Task Publish(PublishMessageInfo messageInfo)
+        {
+            CheckConnection();
+            return currentConnection.Publish(messageInfo);
+        }
+
+
+        private void ConnectionStatusChanged(object? sender, StatusChangedEventArgs e)
+        {
+            ConnectionParams = e.ConnectionParams;
+            Status = e.Status;
+
+            StatusChanged?.Invoke(sender, e);
+        }
+
+
+        [MemberNotNull(nameof(currentConnection))]
+        private void CheckConnection()
+        {
+            if (currentConnection == null)
+                throw new InvalidOperationException("No current connection");
+        }
+    }
+}

PettingZoo.Core/Connection/IConnection.cs

@@ -5,8 +5,15 @@ namespace PettingZoo.Core.Connection
 {
     public interface IConnection : IAsyncDisposable
     {
+        Guid ConnectionId { get; }
+        ConnectionParams? ConnectionParams { get; }
+        ConnectionStatus Status { get; }
+
         event EventHandler<StatusChangedEventArgs> StatusChanged;
 
+
+        void Connect();
+
         ISubscriber Subscribe(string exchange, string routingKey);
         ISubscriber Subscribe();
 
@@ -25,14 +32,18 @@ namespace PettingZoo.Core.Connection
 
     public class StatusChangedEventArgs : EventArgs
     {
+        public Guid ConnectionId { get; }
         public ConnectionStatus Status { get; }
-        public string? Context { get; }
+        public ConnectionParams? ConnectionParams { get; }
+        public Exception? Exception { get; }
 
 
-        public StatusChangedEventArgs(ConnectionStatus status, string? context)
+        public StatusChangedEventArgs(Guid connectionId, ConnectionStatus status, ConnectionParams? connectionParams = null, Exception? exception = null)
         {
+            ConnectionId = connectionId;
             Status = status;
-            Context = context;
+            ConnectionParams = connectionParams;
+            Exception = exception;
         }
     }
 }

PettingZoo.Core/ExportImport/Publisher/PublisherMessage.cs

@@ -0,0 +1,201 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using PettingZoo.Core.Connection;
+
+namespace PettingZoo.Core.ExportImport.Publisher
+{
+    public enum PublisherMessageType
+    {
+        Raw,
+        Tapeti
+    }
+
+
+
+    public class PublisherMessage : IEquatable<PublisherMessage>
+    {
+        public PublisherMessageType MessageType { get; init; }
+        public bool SendToExchange { get; init; }
+        public string? Exchange { get; init; }
+        public string? RoutingKey { get; init; }
+        public string? Queue { get; init; }
+        public bool ReplyToNewSubscriber { get; init; }
+        public string? ReplyTo { get; init; }
+
+        public RawPublisherMessage? RawPublisherMessage { get; init; }
+        public TapetiPublisherMessage? TapetiPublisherMessage { get; init; }
+
+
+        public bool Equals(PublisherMessage? other)
+        {
+            if (other == null) return false;
+            if (ReferenceEquals(this, other)) return true;
+
+            return MessageType == other.MessageType && 
+                   SendToExchange == other.SendToExchange && 
+                   Exchange == other.Exchange && 
+                   RoutingKey == other.RoutingKey && 
+                   Queue == other.Queue && 
+                   ReplyToNewSubscriber == other.ReplyToNewSubscriber && 
+                   ReplyTo == other.ReplyTo && 
+                   Equals(RawPublisherMessage, other.RawPublisherMessage) && 
+                   Equals(TapetiPublisherMessage, other.TapetiPublisherMessage);
+        }
+
+
+        public override bool Equals(object? obj)
+        {
+            if (obj == null) return false;
+            if (ReferenceEquals(this, obj)) return true;
+
+            return obj is PublisherMessage publisherMessage && Equals(publisherMessage);
+        }
+
+
+        public override int GetHashCode()
+        {
+            var hashCode = new HashCode();
+            hashCode.Add((int)MessageType);
+            hashCode.Add(SendToExchange);
+            hashCode.Add(Exchange);
+            hashCode.Add(RoutingKey);
+            hashCode.Add(Queue);
+            hashCode.Add(ReplyToNewSubscriber);
+            hashCode.Add(ReplyTo);
+            hashCode.Add(RawPublisherMessage);
+            hashCode.Add(TapetiPublisherMessage);
+            return hashCode.ToHashCode();
+        }
+    }
+
+
+    public class RawPublisherMessage : IEquatable<RawPublisherMessage>
+    {
+        public MessageDeliveryMode DeliveryMode { get; init; }
+
+        public string? ContentType { get; init; }
+        public string? CorrelationId { get; init; }
+        public string? AppId { get; init; }
+        public string? ContentEncoding { get; init; }
+        public string? Expiration { get; init; }
+        public string? MessageId { get; init; }
+        public string? Priority { get; init; }
+        public string? Timestamp { get; init; }
+        public string? TypeProperty { get; init; }
+        public string? UserId { get; init; }
+        public string? Payload { get; init; }
+        public bool EnableMacros { get; init; }
+
+        public Dictionary<string, string>? Headers { get; init; }
+
+
+        public bool Equals(RawPublisherMessage? other)
+        {
+            if (other == null) return false;
+            if (ReferenceEquals(this, other)) return true;
+
+            return DeliveryMode == other.DeliveryMode && 
+                   ContentType == other.ContentType && 
+                   CorrelationId == other.CorrelationId && 
+                   AppId == other.AppId && 
+                   ContentEncoding == other.ContentEncoding && 
+                   Expiration == other.Expiration && 
+                   MessageId == other.MessageId && 
+                   Priority == other.Priority && 
+                   Timestamp == other.Timestamp && 
+                   TypeProperty == other.TypeProperty && 
+                   UserId == other.UserId && 
+                   Payload == other.Payload && 
+                   EnableMacros == other.EnableMacros && 
+                   HeadersEquals(other.Headers);
+        }
+
+
+        private bool HeadersEquals(Dictionary<string, string>? other)
+        {
+            if (other == null)
+                return Headers == null || Headers.Count == 0;
+
+            if (Headers == null)
+                return other.Count == 0;
+
+            return other.OrderBy(h => h.Key).SequenceEqual(Headers.OrderBy(h => h.Key));
+        }
+
+
+        public override bool Equals(object? obj)
+        {
+            if (obj == null) return false;
+            if (ReferenceEquals(this, obj)) return true;
+
+            return obj is RawPublisherMessage rawPublisherMessage && Equals(rawPublisherMessage);
+        }
+
+
+        public override int GetHashCode()
+        {
+            var hashCode = new HashCode();
+            hashCode.Add((int)DeliveryMode);
+            hashCode.Add(ContentType);
+            hashCode.Add(CorrelationId);
+            hashCode.Add(AppId);
+            hashCode.Add(ContentEncoding);
+            hashCode.Add(Expiration);
+            hashCode.Add(MessageId);
+            hashCode.Add(Priority);
+            hashCode.Add(Timestamp);
+            hashCode.Add(TypeProperty);
+            hashCode.Add(UserId);
+            hashCode.Add(Payload);
+            hashCode.Add(EnableMacros);
+
+            if (Headers != null)
+                foreach (var (key, value) in Headers)
+                {
+                    hashCode.Add(key);
+                    hashCode.Add(value);
+                }
+            
+            return hashCode.ToHashCode();
+        }
+    }
+
+
+    public class TapetiPublisherMessage : IEquatable<TapetiPublisherMessage>
+    {
+        public string? CorrelationId { get; init; }
+        public string? Payload { get; init; }
+        public bool EnableMacros { get; init; }
+        public string? ClassName { get; init; }
+        public string? AssemblyName { get; init; }
+
+
+        public bool Equals(TapetiPublisherMessage? other)
+        {
+            if (other == null) return false;
+            if (ReferenceEquals(this, other)) return true;
+
+            return CorrelationId == other.CorrelationId && 
+                   Payload == other.Payload && 
+                   EnableMacros == other.EnableMacros && 
+                   ClassName == other.ClassName && 
+                   AssemblyName == other.AssemblyName;
+        }
+
+
+        public override bool Equals(object? obj)
+        {
+            if (obj == null) return false;
+            if (ReferenceEquals(this, obj)) return true;
+
+            return obj is TapetiPublisherMessage tapetiPublisherMessage && Equals(tapetiPublisherMessage);
+        }
+
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(CorrelationId, Payload, EnableMacros, ClassName, AssemblyName);
+        }
+    }
+}

PettingZoo.Core/ExportImport/Subscriber/BaseProgressDecorator.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace PettingZoo.Core.ExportImport
+namespace PettingZoo.Core.ExportImport.Subscriber
 {
     public abstract class BaseProgressDecorator
     {

PettingZoo.Core/ExportImport/Subscriber/ExportImportFormatProvider.cs

@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using System.Linq;
 
-namespace PettingZoo.Core.ExportImport
+namespace PettingZoo.Core.ExportImport.Subscriber
 {
     public class ExportImportFormatProvider : IExportImportFormatProvider
     {

PettingZoo.Core/ExportImport/Subscriber/IExportImportFormat.cs

@@ -4,7 +4,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using PettingZoo.Core.Connection;
 
-namespace PettingZoo.Core.ExportImport
+namespace PettingZoo.Core.ExportImport.Subscriber
 {
     public interface IExportImportFormat
     {

PettingZoo.Core/ExportImport/Subscriber/IExportImportFormatProvider.cs

@@ -1,6 +1,6 @@
 using System.Collections.Generic;
 
-namespace PettingZoo.Core.ExportImport
+namespace PettingZoo.Core.ExportImport.Subscriber
 {
     public interface IExportImportFormatProvider
     {

PettingZoo.Core/ExportImport/Subscriber/ImportSubscriber.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using PettingZoo.Core.Connection;
 
-namespace PettingZoo.Core.ExportImport
+namespace PettingZoo.Core.ExportImport.Subscriber
 {
     public class ImportSubscriber : ISubscriber
     {

PettingZoo.Core/ExportImport/Subscriber/ListEnumerableProgressDecorator.cs

@@ -2,7 +2,7 @@
 using System.Collections;
 using System.Collections.Generic;
 
-namespace PettingZoo.Core.ExportImport
+namespace PettingZoo.Core.ExportImport.Subscriber
 {
     public class ListEnumerableProgressDecorator<T> : BaseProgressDecorator, IEnumerable<T>
     {

PettingZoo.Core/ExportImport/Subscriber/StreamProgressDecorator.cs

@@ -3,7 +3,7 @@ using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace PettingZoo.Core.ExportImport
+namespace PettingZoo.Core.ExportImport.Subscriber
 {
     public class StreamProgressDecorator : BaseProgressDecorator
     {

PettingZoo.Core/PettingZoo.Core.csproj

@@ -7,8 +7,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="Serilog" Version="2.10.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
   </ItemGroup>
 
   <ItemGroup>

PettingZoo.Core/Rendering/MessageBodyRenderer.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Text;
 using Newtonsoft.Json;
 
@@ -26,8 +27,18 @@ namespace PettingZoo.Core.Rendering
             var bodyText = Encoding.UTF8.GetString(body);
             try
             {
-                var obj = JsonConvert.DeserializeObject(bodyText);
-                return JsonConvert.SerializeObject(obj, Formatting.Indented);
+                using var stringReader = new StringReader(bodyText);
+                using var jsonTextReader = new JsonTextReader(stringReader);
+                using var stringWriter = new StringWriter();
+                using var jsonWriter = new JsonTextWriter(stringWriter);
+
+                jsonWriter.Formatting = Formatting.Indented;
+
+                while (jsonTextReader.Read())
+                    jsonWriter.WriteToken(jsonTextReader);
+
+                jsonWriter.Flush();
+                return stringWriter.ToString();
             }
             catch
             {

PettingZoo.Core/Settings/IPublisherMessagesRepository.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using PettingZoo.Core.ExportImport.Publisher;
+
+namespace PettingZoo.Core.Settings
+{
+    public interface IPublisherMessagesRepository
+    {
+        // For now read everything into memory, you need quite a few and/or huge messsages before that becomes an issue
+        Task<IEnumerable<StoredPublisherMessage>> GetStored();
+
+        Task<StoredPublisherMessage> Add(string displayName, PublisherMessage message);
+        Task<StoredPublisherMessage> Update(Guid id, string displayName, PublisherMessage message);
+        Task Delete(Guid id);
+    }
+
+
+    public class StoredPublisherMessage
+    {
+        public Guid Id { get; }
+        public string DisplayName { get; }
+        public PublisherMessage Message { get; }
+
+
+        public StoredPublisherMessage(Guid id, string displayName, PublisherMessage message)
+        {
+            Id = id;
+            DisplayName = displayName;
+            Message = message;
+        }
+    }
+}

PettingZoo.RabbitMQ/PettingZoo.RabbitMQ.csproj

@@ -7,9 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="RabbitMQ.Client" Version="6.2.2" />
-    <PackageReference Include="Serilog" Version="2.10.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="RabbitMQ.Client" Version="6.5.0" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
   </ItemGroup>
 
   <ItemGroup>

PettingZoo.RabbitMQ/RabbitMQClientConnection.cs

@@ -3,51 +3,56 @@ using System.Threading;
 using System.Threading.Tasks;
 using PettingZoo.Core.Connection;
 using RabbitMQ.Client;
+using IConnection = RabbitMQ.Client.IConnection;
 
 namespace PettingZoo.RabbitMQ
 {
     public class RabbitMQClientConnection : Core.Connection.IConnection
     {
+        public Guid ConnectionId { get; } = Guid.NewGuid();
+        public ConnectionParams? ConnectionParams { get; }
+        public ConnectionStatus Status { get; set; }
+        public event EventHandler<StatusChangedEventArgs>? StatusChanged;
+
+        
         private const int ConnectRetryDelay = 5000;
 
         private readonly CancellationTokenSource connectionTaskToken = new();
-        private readonly Task connectionTask;
+        private Task? connectionTask;
         private readonly object connectionLock = new();
-        private global::RabbitMQ.Client.IConnection? connection;
-        private IModel? model;
-
-
-        public event EventHandler<StatusChangedEventArgs>? StatusChanged;
+        private IConnection? connection;
 
 
         public RabbitMQClientConnection(ConnectionParams connectionParams)
         {
-            connectionTask = Task.Factory.StartNew(() => TryConnection(connectionParams, connectionTaskToken.Token), CancellationToken.None);
+            ConnectionParams = connectionParams;
         }
 
 
         public async ValueTask DisposeAsync()
         {
+            GC.SuppressFinalize(this);
+            if (connectionTask == null)
+                return;
+
             connectionTaskToken.Cancel();
             if (!connectionTask.IsCompleted)
                 await connectionTask;
 
             lock (connectionLock)
             {
-                if (model != null)
-                {
-                    model.Dispose();
-                    model = null;
-                }
-
                 if (connection != null)
                 {
                     connection.Dispose();
                     connection = null;
                 }
             }
+        }
 
-            GC.SuppressFinalize(this);
+
+        public void Connect()
+        {
+            connectionTask = Task.Factory.StartNew(() => TryConnection(ConnectionParams!, connectionTaskToken.Token), CancellationToken.None);
         }
 
 
@@ -67,6 +72,7 @@ namespace PettingZoo.RabbitMQ
         {
             lock (connectionLock)
             {
+                var model = connection?.CreateModel();
                 var subscriber = new RabbitMQClientSubscriber(model, exchange, routingKey);
                 if (model != null)
                     return subscriber;
@@ -79,10 +85,10 @@ namespace PettingZoo.RabbitMQ
 
                     lock (connectionLock)
                     {
-                        if (model == null)
+                        if (connection == null)
                             return;
 
-                        subscriber.Connected(model);
+                        subscriber.Connected(connection.CreateModel());
                     }
 
                     StatusChanged -= ConnectSubscriber;
@@ -97,12 +103,30 @@ namespace PettingZoo.RabbitMQ
 
         public Task Publish(PublishMessageInfo messageInfo)
         {
-            if (model == null)
+            IConnection? lockedConnection;
+
+            lock (connectionLock)
+            {
+                lockedConnection = connection;
+            }
+
+            if (lockedConnection == null)
                 throw new InvalidOperationException("Not connected");
 
+            using (var model = lockedConnection.CreateModel())
+            {
+                try
+                {
                     model.BasicPublish(messageInfo.Exchange, messageInfo.RoutingKey, false,
-                RabbitMQClientPropertiesConverter.Convert(messageInfo.Properties, model.CreateBasicProperties()),
+                        RabbitMQClientPropertiesConverter.Convert(messageInfo.Properties,
+                            model.CreateBasicProperties()),
                         messageInfo.Body);
+                }
+                finally
+                {
+                    model.Close();
+                }
+            }
 
             return Task.CompletedTask;
         }
@@ -119,22 +143,22 @@ namespace PettingZoo.RabbitMQ
                 Password = connectionParams.Password
             };
 
-            var statusContext = $"{connectionParams.Host}:{connectionParams.Port}{connectionParams.VirtualHost}";
-
             while (!cancellationToken.IsCancellationRequested)
             {
-                DoStatusChanged(ConnectionStatus.Connecting, statusContext);
+                DoStatusChanged(ConnectionStatus.Connecting);
                 try
+                {
+                    lock (connectionLock)
                     {
                         connection = factory.CreateConnection();
-                    model = connection.CreateModel();
+                    }
 
-                    DoStatusChanged(ConnectionStatus.Connected, statusContext);
+                    DoStatusChanged(ConnectionStatus.Connected);
                     break;
                 }
                 catch (Exception e)
                 {
-                    DoStatusChanged(ConnectionStatus.Error, e.Message);
+                    DoStatusChanged(ConnectionStatus.Error, e);
 
                     try
                     {
@@ -148,9 +172,10 @@ namespace PettingZoo.RabbitMQ
         }
 
 
-        private void DoStatusChanged(ConnectionStatus status, string? context = null)
+        private void DoStatusChanged(ConnectionStatus status, Exception? exception = null)
         {
-            StatusChanged?.Invoke(this, new StatusChangedEventArgs(status, context));
+            Status = status;
+            StatusChanged?.Invoke(this, new StatusChangedEventArgs(ConnectionId, status, ConnectionParams, exception));
         }
     }
 }

PettingZoo.Settings.LiteDB/LiteDBPublisherMessagesRepository.cs

@@ -0,0 +1,80 @@
+using PettingZoo.Core.ExportImport.Publisher;
+using PettingZoo.Core.Settings;
+
+namespace PettingZoo.Settings.LiteDB
+{
+    public class LiteDBPublisherMessagesRepository : BaseLiteDBRepository, IPublisherMessagesRepository
+    {
+        private const string CollectionMessages = "messages";
+
+
+        public LiteDBPublisherMessagesRepository() : base(@"publisherMessages")
+        {
+        }
+
+
+        public async Task<IEnumerable<StoredPublisherMessage>> GetStored()
+        {
+            using var database = GetDatabase();
+            var collection = database.GetCollection<PublisherMessageRecord>(CollectionMessages);
+
+            return (await collection.FindAllAsync())
+                .Select(r => new StoredPublisherMessage(r.Id, r.DisplayName, r.Message))
+                .ToArray();
+        }
+
+
+        public async Task<StoredPublisherMessage> Add(string displayName, PublisherMessage message)
+        {
+            using var database = GetDatabase();
+            var collection = database.GetCollection<PublisherMessageRecord>(CollectionMessages);
+
+            var id = Guid.NewGuid();
+            await collection.InsertAsync(PublisherMessageRecord.FromPublisherMessage(id, displayName, message));
+
+            return new StoredPublisherMessage(id, displayName, message);
+        }
+
+
+        public async Task<StoredPublisherMessage> Update(Guid id, string displayName, PublisherMessage message)
+        {
+            using var database = GetDatabase();
+            var collection = database.GetCollection<PublisherMessageRecord>(CollectionMessages);
+
+            await collection.UpdateAsync(PublisherMessageRecord.FromPublisherMessage(id, displayName, message));
+            return new StoredPublisherMessage(id, displayName, message);
+        }
+
+
+        public async Task Delete(Guid id)
+        {
+            using var database = GetDatabase();
+            var collection = database.GetCollection<PublisherMessageRecord>(CollectionMessages);
+
+            await collection.DeleteAsync(id);
+        }
+
+
+        // ReSharper disable MemberCanBePrivate.Local - for LiteDB
+        // ReSharper disable PropertyCanBeMadeInitOnly.Local
+        private class PublisherMessageRecord
+        {
+            public Guid Id { get; set; }
+            public string DisplayName { get; set; } = null!;
+            public PublisherMessage Message { get; set; } = null!;
+
+
+            public static PublisherMessageRecord FromPublisherMessage(Guid id, string displayName, PublisherMessage message)
+            {
+                return new PublisherMessageRecord
+                {
+                    Id = id,
+                    DisplayName = displayName,
+                    Message = message
+                };
+            }
+        }
+        // ReSharper restore PropertyCanBeMadeInitOnly.Local
+        // ReSharper restore MemberCanBePrivate.Local
+    }
+}

PettingZoo.Settings.LiteDB/PettingZoo.Settings.LiteDB.csproj

@@ -7,9 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="LiteDB" Version="5.0.11" />
-    <PackageReference Include="LiteDB.Async" Version="0.0.11" />
-    <PackageReference Include="Serilog" Version="2.10.0" />
+    <PackageReference Include="LiteDB" Version="5.0.21" />
+    <PackageReference Include="LiteDB.Async" Version="0.1.8" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
   </ItemGroup>
 
   <ItemGroup>

PettingZoo.Tapeti/ExportImport/BaseTapetiCmdExportImportFormat.cs

@@ -1,8 +1,8 @@
 using System.Collections.Generic;
 using Newtonsoft.Json.Linq;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 
-namespace PettingZoo.Tapeti.Export
+namespace PettingZoo.Tapeti.ExportImport
 {
     public abstract class BaseTapetiCmdExportImportFormat : IExportImportFormat
     {

PettingZoo.Tapeti/ExportImport/TapetiCmdExportFormat.cs

@@ -8,10 +8,9 @@ using System.Threading.Tasks;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using PettingZoo.Core.Connection;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 
-
-namespace PettingZoo.Tapeti.Export
+namespace PettingZoo.Tapeti.ExportImport
 {
     public class TapetiCmdExportFormat : BaseTapetiCmdExportImportFormat, IExportFormat
     {

PettingZoo.Tapeti/ExportImport/TapetiCmdImportExportStrings.Designer.cs

@@ -8,7 +8,7 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-namespace PettingZoo.Tapeti.Export {
+namespace PettingZoo.Tapeti.ExportImport {
     using System;
     
     
@@ -39,7 +39,7 @@ namespace PettingZoo.Tapeti.Export {
         internal static global::System.Resources.ResourceManager ResourceManager {
             get {
                 if (object.ReferenceEquals(resourceMan, null)) {
-                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("PettingZoo.Tapeti.Export.TapetiCmdImportExportStrings", typeof(TapetiCmdImportExportStrings).Assembly);
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("PettingZoo.Tapeti.ExportImport.TapetiCmdImportExportStrings", typeof(TapetiCmdImportExportStrings).Assembly);
                     resourceMan = temp;
                 }
                 return resourceMan;

PettingZoo.Tapeti/ExportImport/TapetiCmdImportFormat.cs

@@ -7,9 +7,9 @@ using System.Threading;
 using System.Threading.Tasks;
 using Newtonsoft.Json;
 using PettingZoo.Core.Connection;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 
-namespace PettingZoo.Tapeti.Export
+namespace PettingZoo.Tapeti.ExportImport
 {
     public class TapetiCmdImportFormat : BaseTapetiCmdExportImportFormat, IImportFormat
     {

PettingZoo.Tapeti/PettingZoo.Tapeti.csproj

@@ -8,18 +8,19 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="NuGet.PackageManagement" Version="6.0.0" />
-    <PackageReference Include="NuGet.Packaging" Version="6.0.0" />
-    <PackageReference Include="NuGet.Protocol" Version="6.0.0" />
-    <PackageReference Include="Serilog" Version="2.10.0" />
-    <PackageReference Include="SharpVectors" Version="1.7.7" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="NuGet.PackageManagement" Version="6.11.1" />
+    <PackageReference Include="NuGet.Packaging" Version="6.11.1" />
+    <PackageReference Include="NuGet.Protocol" Version="6.11.1" />
+    <PackageReference Include="RabbitMQ.Client" Version="6.5.0" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
+    <PackageReference Include="SharpVectors" Version="1.8.4.2" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
-    <PackageReference Include="System.Reactive" Version="5.0.0" />
-    <PackageReference Include="System.Reflection.MetadataLoadContext" Version="6.0.0" />
-    <PackageReference Include="Tapeti" Version="2.8.2" />
-    <PackageReference Include="Tapeti.Annotations" Version="3.0.0" />
-    <PackageReference Include="Tapeti.DataAnnotations.Extensions" Version="3.0.0" />
+    <PackageReference Include="System.Reactive" Version="6.0.1" />
+    <PackageReference Include="System.Reflection.MetadataLoadContext" Version="8.0.1" />
+    <PackageReference Include="Tapeti" Version="3.1.4" />
+    <PackageReference Include="Tapeti.Annotations" Version="3.1.0" />
+    <PackageReference Include="Tapeti.DataAnnotations.Extensions" Version="3.2.0" />
   </ItemGroup>
 
   <ItemGroup>
@@ -33,7 +34,7 @@
       <AutoGen>True</AutoGen>
       <DependentUpon>AssemblyParserStrings.resx</DependentUpon>
     </Compile>
-    <Compile Update="Export\TapetiCmdImportExportStrings.Designer.cs">
+    <Compile Update="ExportImport\TapetiCmdImportExportStrings.Designer.cs">
       <DesignTime>True</DesignTime>
       <AutoGen>True</AutoGen>
       <DependentUpon>TapetiCmdImportExportStrings.resx</DependentUpon>
@@ -60,7 +61,7 @@
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>AssemblyParserStrings.Designer.cs</LastGenOutput>
     </EmbeddedResource>
-    <EmbeddedResource Update="Export\TapetiCmdImportExportStrings.resx">
+    <EmbeddedResource Update="ExportImport\TapetiCmdImportExportStrings.resx">
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>TapetiCmdImportExportStrings.Designer.cs</LastGenOutput>
     </EmbeddedResource>

PettingZoo.Tapeti/PettingZoo.Tapeti_ooj5vuwa_wpftmp.csproj

@@ -1,325 +0,0 @@
-<Project>
-  <PropertyGroup>
-    <AssemblyName>PettingZoo.Tapeti</AssemblyName>
-    <IntermediateOutputPath>obj\Debug\</IntermediateOutputPath>
-    <BaseIntermediateOutputPath>obj\</BaseIntermediateOutputPath>
-    <MSBuildProjectExtensionsPath>P:\Development\PettingZoo\PettingZoo.Tapeti\obj\</MSBuildProjectExtensionsPath>
-    <_TargetAssemblyProjectName>PettingZoo.Tapeti</_TargetAssemblyProjectName>
-  </PropertyGroup>
-  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
-  <PropertyGroup>
-    <TargetFramework>net6.0-windows</TargetFramework>
-    <Version>0.1</Version>
-    <UseWpf>true</UseWpf>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-  <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="NuGet.PackageManagement" Version="6.0.0" />
-    <PackageReference Include="NuGet.Packaging" Version="6.0.0" />
-    <PackageReference Include="NuGet.Protocol" Version="6.0.0" />
-    <PackageReference Include="Serilog" Version="2.10.0" />
-    <PackageReference Include="SharpVectors" Version="1.7.7" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
-    <PackageReference Include="System.Reactive" Version="5.0.0" />
-    <PackageReference Include="System.Reflection.MetadataLoadContext" Version="6.0.0" />
-    <PackageReference Include="Tapeti.Annotations" Version="3.0.0" />
-    <PackageReference Include="Tapeti.DataAnnotations.Extensions" Version="3.0.0" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\PettingZoo.Core\PettingZoo.Core.csproj" />
-    <ProjectReference Include="..\PettingZoo.WPF\PettingZoo.WPF.csproj" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Update="AssemblyParser\AssemblyParserStrings.Designer.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>AssemblyParserStrings.resx</DependentUpon>
-    </Compile>
-    <Compile Update="Export\TapetiCmdImportExportStrings.Designer.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>TapetiCmdImportExportStrings.resx</DependentUpon>
-    </Compile>
-    <Compile Update="TapetiClassLibraryExampleGeneratorStrings.Designer.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>TapetiClassLibraryExampleGeneratorStrings.resx</DependentUpon>
-    </Compile>
-    <Compile Update="UI\ClassSelection\ClassSelectionStrings.Designer.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>ClassSelectionStrings.resx</DependentUpon>
-    </Compile>
-    <Compile Update="UI\PackageSelection\PackageSelectionStrings.Designer.cs">
-      <DesignTime>True</DesignTime>
-      <AutoGen>True</AutoGen>
-      <DependentUpon>PackageSelectionStrings.resx</DependentUpon>
-    </Compile>
-  </ItemGroup>
-  <ItemGroup>
-    <EmbeddedResource Update="AssemblyParser\AssemblyParserStrings.resx">
-      <Generator>ResXFileCodeGenerator</Generator>
-      <LastGenOutput>AssemblyParserStrings.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-    <EmbeddedResource Update="Export\TapetiCmdImportExportStrings.resx">
-      <Generator>ResXFileCodeGenerator</Generator>
-      <LastGenOutput>TapetiCmdImportExportStrings.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-    <EmbeddedResource Update="TapetiClassLibraryExampleGeneratorStrings.resx">
-      <Generator>ResXFileCodeGenerator</Generator>
-      <LastGenOutput>TapetiClassLibraryExampleGeneratorStrings.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-    <EmbeddedResource Update="UI\ClassSelection\ClassSelectionStrings.resx">
-      <Generator>PublicResXFileCodeGenerator</Generator>
-      <LastGenOutput>ClassSelectionStrings.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-    <EmbeddedResource Update="UI\PackageSelection\PackageSelectionStrings.resx">
-      <Generator>PublicResXFileCodeGenerator</Generator>
-      <LastGenOutput>PackageSelectionStrings.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
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-    <ReferencePath Include="C:\Users\PsychoMark\.nuget\packages\tapeti.annotations\3.0.0\lib\netstandard2.0\Tapeti.Annotations.dll" />
-    <ReferencePath Include="C:\Users\PsychoMark\.nuget\packages\tapeti.dataannotations.extensions\3.0.0\lib\netstandard2.0\Tapeti.DataAnnotations.Extensions.dll" />
-    <ReferencePath Include="C:\Program Files\dotnet\packs\Microsoft.WindowsDesktop.App.Ref\6.0.0\ref\net6.0\UIAutomationClient.dll" />
-    <ReferencePath Include="C:\Program Files\dotnet\packs\Microsoft.WindowsDesktop.App.Ref\6.0.0\ref\net6.0\UIAutomationClientSideProviders.dll" />
-    <ReferencePath Include="C:\Program Files\dotnet\packs\Microsoft.WindowsDesktop.App.Ref\6.0.0\ref\net6.0\UIAutomationProvider.dll" />
-    <ReferencePath Include="C:\Program Files\dotnet\packs\Microsoft.WindowsDesktop.App.Ref\6.0.0\ref\net6.0\UIAutomationTypes.dll" />
-    <ReferencePath Include="C:\Program Files\dotnet\packs\Microsoft.WindowsDesktop.App.Ref\6.0.0\ref\net6.0\WindowsBase.dll" />
-    <ReferencePath Include="C:\Program Files\dotnet\packs\Microsoft.WindowsDesktop.App.Ref\6.0.0\ref\net6.0\WindowsFormsIntegration.dll" />
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="P:\Development\PettingZoo\PettingZoo.Tapeti\obj\Debug\net6.0-windows\UI\ClassSelection\ClassSelectionWindow.g.cs" />
-    <Compile Include="P:\Development\PettingZoo\PettingZoo.Tapeti\obj\Debug\net6.0-windows\UI\PackageSelection\PackageSelectionWindow.g.cs" />
-    <Compile Include="P:\Development\PettingZoo\PettingZoo.Tapeti\obj\Debug\net6.0-windows\GeneratedInternalTypeHelper.g.cs" />
-  </ItemGroup>
-  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
-</Project>

PettingZoo.Test/PettingZoo.Test.csproj

@@ -7,11 +7,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.2.0" />
-    <PackageReference Include="FluentAssertions.Json" Version="6.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+    <PackageReference Include="FluentAssertions" Version="6.12.1" />
+    <PackageReference Include="FluentAssertions.Json" Version="6.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

PettingZoo.WPF/Controls/AutoOverflowToolBar.cs

@@ -0,0 +1,26 @@
+using System.Windows;
+using System.Windows.Controls;
+
+namespace PettingZoo.WPF.Controls
+{
+    public class AutoOverflowToolBar : ToolBar
+    {
+        public AutoOverflowToolBar()
+        {
+            Loaded += (_, _) =>
+            {
+                // Hide overflow arrow on the right side of the toolbar when not required
+                if (Template.FindName("OverflowButton", this) is not FrameworkElement overflowButton)
+                    return;
+
+                if (!overflowButton.IsEnabled)
+                    overflowButton.Visibility = Visibility.Hidden;
+
+                overflowButton.IsEnabledChanged += (_, _) =>
+                {
+                    overflowButton.Visibility = overflowButton.IsEnabled ? Visibility.Visible : Visibility.Hidden;
+                };
+            };
+        }
+    }
+}

PettingZoo.WPF/PettingZoo.WPF.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AvalonEdit" Version="6.1.3.50" />
+    <PackageReference Include="AvalonEdit" Version="6.3.0.90" />
   </ItemGroup>
 
   <ItemGroup>

PettingZoo.WPF/ValueConverters/SameReferenceConverter.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+
+namespace PettingZoo.WPF.ValueConverters
+{
+    public class SameReferenceConverter : IMultiValueConverter
+    {
+        public object Convert(object?[] values, Type targetType, object parameter, CultureInfo culture)
+        {
+            return ReferenceEquals(values[0], values[1]);
+        }
+
+
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}

PettingZoo.sln

@@ -20,7 +20,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PettingZoo.Settings.LiteDB"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PettingZoo.WPF", "PettingZoo.WPF\PettingZoo.WPF.csproj", "{E6617B69-2AC4-4056-B801-DD32E2374B71}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PettingZoo.Test", "PettingZoo.Test\PettingZoo.Test.csproj", "{3DD7F8D5-2CEE-414D-AC9C-9F395568B79F}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PettingZoo.Test", "PettingZoo.Test\PettingZoo.Test.csproj", "{3DD7F8D5-2CEE-414D-AC9C-9F395568B79F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PettingZoo.Benchmark", "PettingZoo.Benchmark\PettingZoo.Benchmark.csproj", "{C25BC83A-D302-46D2-97F6-5F888B824E2D}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -56,6 +58,10 @@ Global
 		{3DD7F8D5-2CEE-414D-AC9C-9F395568B79F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3DD7F8D5-2CEE-414D-AC9C-9F395568B79F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3DD7F8D5-2CEE-414D-AC9C-9F395568B79F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C25BC83A-D302-46D2-97F6-5F888B824E2D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C25BC83A-D302-46D2-97F6-5F888B824E2D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C25BC83A-D302-46D2-97F6-5F888B824E2D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C25BC83A-D302-46D2-97F6-5F888B824E2D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

PettingZoo/Images/Delete.svg

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 58 58" style="enable-background:new 0 0 58 58;" xml:space="preserve">
+<g>
+	<g>
+		<polygon style="fill:#EFEBDE;" points="46.5,14 32.5,0 1.5,0 1.5,58 46.5,58 		"/>
+		<g>
+			<path style="fill:#D5D0BB;" d="M11.5,23h25c0.552,0,1-0.447,1-1s-0.448-1-1-1h-25c-0.552,0-1,0.447-1,1S10.948,23,11.5,23z"/>
+			<path style="fill:#D5D0BB;" d="M11.5,15h10c0.552,0,1-0.447,1-1s-0.448-1-1-1h-10c-0.552,0-1,0.447-1,1S10.948,15,11.5,15z"/>
+			<path style="fill:#D5D0BB;" d="M36.5,29h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.052,29,36.5,29z"/>
+			<path style="fill:#D5D0BB;" d="M36.5,37h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.052,37,36.5,37z"/>
+			<path style="fill:#D5D0BB;" d="M36.5,45h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.052,45,36.5,45z"/>
+		</g>
+		<polygon style="fill:#D5D0BB;" points="32.5,0 32.5,14 46.5,14 		"/>
+	</g>
+	<g>
+		<circle style="fill:#F29C21;" cx="44.5" cy="46" r="12"/>
+		<path style="fill:#FFFFFF;" d="M50.5,47h-12c-0.552,0-1-0.448-1-1s0.448-1,1-1h12c0.552,0,1,0.448,1,1S51.052,47,50.5,47z"/>
+	</g>
+</g>
+</svg>

PettingZoo/Images/Publish.svg

@@ -1,32 +1,53 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 58.707 58.707" style="enable-background:new 0 0 58.707 58.707;" xml:space="preserve">
-<g>
-	<g>
-		<polygon style="fill:#EFEBDE;" points="46.072,14 32.072,0 1.072,0 1.072,58 46.072,58 		"/>
-		<g>
-			<path style="fill:#D5D0BB;" d="M11.072,23h25c0.552,0,1-0.447,1-1s-0.448-1-1-1h-25c-0.552,0-1,0.447-1,1S10.52,23,11.072,23z"/>
-			<path style="fill:#D5D0BB;" d="M11.072,15h10c0.552,0,1-0.447,1-1s-0.448-1-1-1h-10c-0.552,0-1,0.447-1,1S10.52,15,11.072,15z"/>
-			<path style="fill:#D5D0BB;" d="M36.072,29h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S36.624,29,36.072,29z"/>
-			<path style="fill:#D5D0BB;" d="M36.072,37h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S36.624,37,36.072,37z"/>
-			<path style="fill:#D5D0BB;" d="M36.072,45h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S36.624,45,36.072,45z"/>
-		</g>
-		<polygon style="fill:#D5D0BB;" points="32.072,0 32.072,14 46.072,14 		"/>
-	</g>
-	<g>
-		<polygon style="fill:#EDDCC7;" points="36.201,49.214 36.194,49.222 34.205,56.511 38.852,51.865 		"/>
-		<path style="fill:#D75A4A;" d="M55.451,35.266l-1.247-1.247c-0.775-0.775-2.032-0.775-2.807,0L47.815,37.6l2.651,2.651
-			L55.451,35.266z"/>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   version="1.1"
+   viewBox="0 0 25.2705 25.269251"
+   xml:space="preserve"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+<g
+   id="g18"
+   transform="translate(-32.36475,-33.43775)">
+	<g
+   id="g16">
+		<polygon
+   style="fill:#eddcc7"
+   points="34.205,56.511 38.852,51.865 36.201,49.214 36.194,49.222 "
+   id="polygon2" />
+		<path
+   style="fill:#d75a4a"
+   d="m 55.451,35.266 -1.247,-1.247 c -0.775,-0.775 -2.032,-0.775 -2.807,0 l -3.582,3.581 2.651,2.651 z"
+   id="path4" />
 		
-			<rect x="41.459" y="36.521" transform="matrix(0.7071 0.7071 -0.7071 0.7071 44.3228 -17.5395)" style="fill:#F29C21;" width="3.749" height="16.424"/>
-		<polygon style="fill:#D6C4B1;" points="41.85,54.879 41.858,54.871 38.852,51.865 34.205,56.511 34.072,57 		"/>
-		<path style="fill:#A34740;" d="M53.472,43.257l3.582-3.582c0.775-0.775,0.775-2.032,0-2.807l-1.602-1.602l-4.985,4.985
-			L53.472,43.257z"/>
+			<rect
+   x="41.459"
+   y="36.521"
+   transform="matrix(0.7071,0.7071,-0.7071,0.7071,44.3228,-17.5395)"
+   style="fill:#f29c21"
+   width="3.7490001"
+   height="16.424"
+   id="rect6" />
+		<polygon
+   style="fill:#d6c4b1"
+   points="38.852,51.865 34.205,56.511 34.072,57 41.85,54.879 41.858,54.871 "
+   id="polygon8" />
+		<path
+   style="fill:#a34740"
+   d="m 53.472,43.257 3.582,-3.582 c 0.775,-0.775 0.775,-2.032 0,-2.807 l -1.602,-1.602 -4.985,4.985 z"
+   id="path10" />
 		
-			<rect x="44.036" y="39.349" transform="matrix(-0.7071 -0.7071 0.7071 -0.7071 45.1717 113.8333)" style="fill:#E18C25;" width="4.251" height="16.424"/>
-		<path style="fill:#5E5E5E;" d="M33.365,58.707c-0.256,0-0.512-0.098-0.707-0.293c-0.391-0.391-0.391-1.023,0-1.414l2.207-2.207
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+			<rect
+   x="44.035999"
+   y="39.348999"
+   transform="matrix(-0.7071,-0.7071,0.7071,-0.7071,45.1717,113.8333)"
+   style="fill:#e18c25"
+   width="4.2509999"
+   height="16.424"
+   id="rect12" />
+		<path
+   style="fill:#5e5e5e"
+   d="m 33.365,58.707 c -0.256,0 -0.512,-0.098 -0.707,-0.293 -0.391,-0.391 -0.391,-1.023 0,-1.414 l 2.207,-2.207 c 0.391,-0.391 1.023,-0.391 1.414,0 0.391,0.391 0.391,1.023 0,1.414 l -2.207,2.207 c -0.195,0.195 -0.451,0.293 -0.707,0.293 z"
+   id="path14" />
 	</g>
 </g>
 </svg>

PettingZoo/Images/Save.svg

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 58 58" style="enable-background:new 0 0 58 58;" xml:space="preserve">
+<g>
+	<g>
+		<polygon style="fill:#EFEBDE;" points="46.5,14 32.5,0 1.5,0 1.5,58 46.5,58 		"/>
+		<g>
+			<path style="fill:#D5D0BB;" d="M11.5,23h25c0.552,0,1-0.447,1-1s-0.448-1-1-1h-25c-0.552,0-1,0.447-1,1S10.948,23,11.5,23z"/>
+			<path style="fill:#D5D0BB;" d="M11.5,15h10c0.552,0,1-0.447,1-1s-0.448-1-1-1h-10c-0.552,0-1,0.447-1,1S10.948,15,11.5,15z"/>
+			<path style="fill:#D5D0BB;" d="M36.5,29h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.052,29,36.5,29z"/>
+			<path style="fill:#D5D0BB;" d="M36.5,37h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.052,37,36.5,37z"/>
+			<path style="fill:#D5D0BB;" d="M36.5,45h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.052,45,36.5,45z"/>
+		</g>
+		<polygon style="fill:#D5D0BB;" points="32.5,0 32.5,14 46.5,14 		"/>
+	</g>
+	<g>
+		<circle style="fill:#26B999;" cx="44.5" cy="46" r="12"/>
+		<path style="fill:#FFFFFF;" d="M51.071,40.179c-0.455-0.316-1.077-0.204-1.392,0.25l-5.596,8.04l-3.949-3.242
+			c-0.426-0.351-1.057-0.288-1.407,0.139c-0.351,0.427-0.289,1.057,0.139,1.407l4.786,3.929c0.18,0.147,0.404,0.227,0.634,0.227
+			c0.045,0,0.091-0.003,0.137-0.009c0.276-0.039,0.524-0.19,0.684-0.419l6.214-8.929C51.636,41.118,51.524,40.495,51.071,40.179z"/>
+	</g>
+</g>
+</svg>

PettingZoo/Images/SaveAs.svg

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 58 58" style="enable-background:new 0 0 58 58;" xml:space="preserve">
+<g>
+	<g>
+		<polygon style="fill:#EFEBDE;" points="47.222,14 33.222,0 2.222,0 2.222,58 47.222,58 		"/>
+		<g>
+			<path style="fill:#D5D0BB;" d="M12.222,23h25c0.552,0,1-0.447,1-1s-0.448-1-1-1h-25c-0.552,0-1,0.447-1,1S11.669,23,12.222,23z"
+				/>
+			<path style="fill:#D5D0BB;" d="M12.222,15h10c0.552,0,1-0.447,1-1s-0.448-1-1-1h-10c-0.552,0-1,0.447-1,1S11.669,15,12.222,15z"
+				/>
+			<path style="fill:#D5D0BB;" d="M37.222,29h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.774,29,37.222,29z"/>
+			<path style="fill:#D5D0BB;" d="M37.222,37h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.774,37,37.222,37z"/>
+			<path style="fill:#D5D0BB;" d="M37.222,45h-25c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S37.774,45,37.222,45z"/>
+		</g>
+		<polygon style="fill:#D5D0BB;" points="33.222,0 33.222,14 47.222,14 		"/>
+	</g>
+	<g>
+		<path style="fill:#3D324C;" d="M55.485,55.293l-6.797-6.797l6.483-3.241l-17.637-6.498l6.499,17.637l3.241-6.484l6.797,6.797
+			C54.267,56.902,54.522,57,54.778,57s0.512-0.098,0.707-0.293C55.876,56.316,55.876,55.684,55.485,55.293z"/>
+	</g>
+</g>
+</svg>

PettingZoo/Images/Subscribe.svg

@@ -1,32 +1,29 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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-	 viewBox="0 0 58.195 58.195" style="enable-background:new 0 0 58.195 58.195;" xml:space="preserve">
-<g>
-	<g>
-		<polygon style="fill:#EFEBDE;" points="45,14.097 31,0.097 0,0.097 0,58.097 45,58.097 		"/>
-		<g>
-			<path style="fill:#D5D0BB;" d="M10,23.097h25c0.552,0,1-0.447,1-1s-0.448-1-1-1H10c-0.552,0-1,0.447-1,1S9.448,23.097,10,23.097z
-				"/>
-			<path style="fill:#D5D0BB;" d="M10,15.097h10c0.552,0,1-0.447,1-1s-0.448-1-1-1H10c-0.552,0-1,0.447-1,1S9.448,15.097,10,15.097z
-				"/>
-			<path style="fill:#D5D0BB;" d="M35,29.097H10c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S35.552,29.097,35,29.097z
-				"/>
-			<path style="fill:#D5D0BB;" d="M35,37.097H10c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S35.552,37.097,35,37.097z
-				"/>
-			<path style="fill:#D5D0BB;" d="M35,45.097H10c-0.552,0-1,0.447-1,1s0.448,1,1,1h25c0.552,0,1-0.447,1-1S35.552,45.097,35,45.097z
-				"/>
-		</g>
-		<polygon style="fill:#D5D0BB;" points="31,0.097 31,14.097 45,14.097 		"/>
-	</g>
-	<g>
-		<path style="fill:#FFFFFF;" d="M57,48.289l-0.107,0.163c-7.121,10.876-18.773,10.876-25.893,0l0,0l0.107-0.163
-			C38.227,37.412,49.879,37.412,57,48.289L57,48.289z"/>
-		<circle style="fill:#556080;" cx="43.764" cy="46.007" r="5.909"/>
-		<path style="fill:#8697CB;" d="M43.947,57.609c-5.254,0-10.148-3.058-13.783-8.609l-0.358-0.547l0.465-0.711
-			c3.635-5.552,8.53-8.609,13.784-8.609c5.253,0,10.148,3.057,13.783,8.609l0.358,0.547l-0.465,0.711
-			C54.095,54.552,49.2,57.609,43.947,57.609z M32.203,48.448c3.206,4.624,7.356,7.161,11.744,7.161c4.436,0,8.63-2.594,11.85-7.317
-			c-3.206-4.624-7.356-7.161-11.743-7.161C39.617,41.132,35.423,43.725,32.203,48.448z"/>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   version="1.1"
+   viewBox="0 0 28.39 18.476"
+   xml:space="preserve"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+<g
+   id="g10"
+   transform="translate(-29.806,-39.133)">
+	<g
+   id="g8">
+		<path
+   style="fill:#ffffff"
+   d="m 57,48.289 -0.107,0.163 c -7.121,10.876 -18.773,10.876 -25.893,0 v 0 l 0.107,-0.163 c 7.12,-10.877 18.772,-10.877 25.893,0 z"
+   id="path2" />
+		<circle
+   style="fill:#556080"
+   cx="43.764"
+   cy="46.007"
+   r="5.9089999"
+   id="circle4" />
+		<path
+   style="fill:#8697cb"
+   d="m 43.947,57.609 c -5.254,0 -10.148,-3.058 -13.783,-8.609 l -0.358,-0.547 0.465,-0.711 c 3.635,-5.552 8.53,-8.609 13.784,-8.609 5.253,0 10.148,3.057 13.783,8.609 l 0.358,0.547 -0.465,0.711 c -3.636,5.552 -8.531,8.609 -13.784,8.609 z m -11.744,-9.161 c 3.206,4.624 7.356,7.161 11.744,7.161 4.436,0 8.63,-2.594 11.85,-7.317 -3.206,-4.624 -7.356,-7.161 -11.743,-7.161 -4.437,10e-4 -8.631,2.594 -11.851,7.317 z"
+   id="path6" />
 	</g>
 </g>
 </svg>

PettingZoo/PettingZoo.csproj

@@ -20,6 +20,7 @@
 
   <ItemGroup>
     <None Remove="Images\Busy.svg" />
+    <None Remove="Images\Delete.svg" />
     <None Remove="Images\Dock.svg" />
     <None Remove="Images\Error.svg" />
     <None Remove="Images\Example.svg" />
@@ -29,6 +30,8 @@
     <None Remove="Images\Ok.svg" />
     <None Remove="Images\PublishSend.svg" />
     <None Remove="Images\RabbitMQ.svg" />
+    <None Remove="Images\Save.svg" />
+    <None Remove="Images\SaveAs.svg" />
     <None Remove="Images\Tapeti.png" />
     <None Remove="Images\Undock.svg" />
   </ItemGroup>
@@ -36,6 +39,7 @@
   <ItemGroup>
     <Resource Include="Images\Clear.svg" />
     <Resource Include="Images\Connect.svg" />
+    <Resource Include="Images\Delete.svg" />
     <Resource Include="Images\Disconnect.svg" />
     <Resource Include="Images\Dock.svg" />
     <Resource Include="Images\Error.svg" />
@@ -47,17 +51,19 @@
     <Resource Include="Images\Publish.svg" />
     <Resource Include="Images\PublishSend.svg" />
     <Resource Include="Images\RabbitMQ.svg" />
+    <Resource Include="Images\Save.svg" />
+    <Resource Include="Images\SaveAs.svg" />
     <Resource Include="Images\Subscribe.svg" />
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AvalonEdit" Version="6.1.3.50" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
-    <PackageReference Include="Serilog" Version="2.10.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
-    <PackageReference Include="SharpVectors" Version="1.7.7" />
-    <PackageReference Include="SimpleInjector" Version="5.3.2" />
-    <PackageReference Include="System.Reactive" Version="5.0.0" />
+    <PackageReference Include="AvalonEdit" Version="6.3.0.90" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
+    <PackageReference Include="SharpVectors" Version="1.8.4.2" />
+    <PackageReference Include="SimpleInjector" Version="5.5.0" />
+    <PackageReference Include="System.Reactive" Version="6.0.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -75,10 +81,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Compile Update="UI\Connection\ConnectionDisplayNameStrings.Designer.cs">
+    <Compile Update="UI\InputDialogStrings.Designer.cs">
       <DesignTime>True</DesignTime>
       <AutoGen>True</AutoGen>
-      <DependentUpon>ConnectionDisplayNameStrings.resx</DependentUpon>
+      <DependentUpon>InputDialogStrings.resx</DependentUpon>
     </Compile>
     <Compile Update="UI\Connection\ConnectionWindowStrings.Designer.cs">
       <DependentUpon>ConnectionWindowStrings.resx</DependentUpon>
@@ -100,6 +106,11 @@
       <AutoGen>True</AutoGen>
       <DependentUpon>PayloadEditorStrings.resx</DependentUpon>
     </Compile>
+    <Compile Update="UI\Tab\Publisher\StoredPublisherMessagesStrings.Designer.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>StoredPublisherMessagesStrings.resx</DependentUpon>
+    </Compile>
     <Compile Update="UI\Tab\Publisher\TapetiPublisherViewStrings.Designer.cs">
       <DependentUpon>TapetiPublisherViewStrings.resx</DependentUpon>
       <DesignTime>True</DesignTime>
@@ -131,9 +142,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <EmbeddedResource Update="UI\Connection\ConnectionDisplayNameStrings.resx">
+    <EmbeddedResource Update="UI\InputDialogStrings.resx">
       <Generator>PublicResXFileCodeGenerator</Generator>
-      <LastGenOutput>ConnectionDisplayNameStrings.Designer.cs</LastGenOutput>
+      <LastGenOutput>InputDialogStrings.Designer.cs</LastGenOutput>
     </EmbeddedResource>
     <EmbeddedResource Update="UI\Connection\ConnectionWindowStrings.resx">
       <LastGenOutput>ConnectionWindowStrings.Designer.cs</LastGenOutput>
@@ -151,6 +162,10 @@
       <Generator>PublicResXFileCodeGenerator</Generator>
       <LastGenOutput>PayloadEditorStrings.Designer.cs</LastGenOutput>
     </EmbeddedResource>
+    <EmbeddedResource Update="UI\Tab\Publisher\StoredPublisherMessagesStrings.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>StoredPublisherMessagesStrings.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
     <EmbeddedResource Update="UI\Tab\Publisher\TapetiPublisherViewStrings.resx">
       <LastGenOutput>TapetiPublisherViewStrings.Designer.cs</LastGenOutput>
       <Generator>PublicResXFileCodeGenerator</Generator>

PettingZoo/Program.cs

@@ -4,18 +4,19 @@ using System.IO;
 using System.Windows;
 using System.Windows.Markup;
 using PettingZoo.Core.Connection;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 using PettingZoo.Core.Generator;
 using PettingZoo.Core.Macros;
 using PettingZoo.Core.Settings;
 using PettingZoo.RabbitMQ;
 using PettingZoo.Settings.LiteDB;
 using PettingZoo.Tapeti;
-using PettingZoo.Tapeti.Export;
+using PettingZoo.Tapeti.ExportImport;
 using PettingZoo.UI.Connection;
 using PettingZoo.UI.Main;
 using PettingZoo.UI.Subscribe;
 using PettingZoo.UI.Tab;
+using PettingZoo.UI.Tab.Publisher;
 using Serilog;
 using SimpleInjector;
 
@@ -82,10 +83,12 @@ namespace PettingZoo
             container.Register<ISubscribeDialog, WindowSubscribeDialog>();
             container.Register<IConnectionSettingsRepository, LiteDBConnectionSettingsRepository>();
             container.Register<IUISettingsRepository, LiteDBUISettingsRepository>();
+            container.RegisterSingleton<IPublisherMessagesRepository, LiteDBPublisherMessagesRepository>();
             container.Register<IExampleGenerator, TapetiClassLibraryExampleGenerator>();
             container.RegisterSingleton<ITabHostProvider, TabHostProvider>();
             container.Register<ITabFactory, ViewTabFactory>();
             container.RegisterSingleton<IPayloadMacroProcessor, PayloadMacroProcessor>();
+            container.RegisterSingleton<StoredPublisherMessagesViewModel>();
 
             container.RegisterInstance<IExportImportFormatProvider>(new ExportImportFormatProvider(
                 new TapetiCmdExportFormat(),

PettingZoo/TODO.md

@@ -8,5 +8,4 @@ Should-have
 
 Nice-to-have
 ------------
-- Save / load publisher messages (either as templates or to disk)
 - Tapeti: fetch NuGet dependencies to improve the chances of succesfully loading the assembly, instead of the current "extraAssembliesPaths" workaround

PettingZoo/UI/Connection/ConnectionDisplayNameDialog.xaml

@@ -1,25 +0,0 @@
-<Window x:Class="PettingZoo.UI.Connection.ConnectionDisplayNameDialog"
-        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:PettingZoo.UI.Connection"
-        mc:Ignorable="d"
-        Width="400"
-        SizeToContent="Height"
-        ResizeMode="NoResize"
-        WindowStyle="ToolWindow"
-        WindowStartupLocation="CenterOwner"
-        Style="{StaticResource WindowStyle}"
-        Title="{x:Static local:ConnectionDisplayNameStrings.WindowTitle}" 
-        FocusManager.FocusedElement="{Binding ElementName=DisplayNameTextBox}"
-        d:DataContext="{d:DesignInstance local:ConnectionDisplayNameViewModel}">
-    <StackPanel Margin="8">
-        <TextBox Name="DisplayNameTextBox" Text="{Binding DisplayName, UpdateSourceTrigger=PropertyChanged}" />
-
-        <UniformGrid HorizontalAlignment="Right" Rows="1" Columns="2" Style="{StaticResource FooterPanel}">
-            <Button IsDefault="True" Content="{x:Static local:ConnectionDisplayNameStrings.ButtonOK}" Style="{StaticResource FooterButton}" Command="{Binding OkCommand}"/>
-            <Button IsCancel="True" Content="{x:Static local:ConnectionDisplayNameStrings.ButtonCancel}" Style="{StaticResource FooterButton}"/>
-        </UniformGrid>        
-    </StackPanel>
-</Window>

PettingZoo/UI/Connection/ConnectionViewModel.cs

@@ -262,7 +262,7 @@ namespace PettingZoo.UI.Connection
             // TODO create and enforce unique name?
             var displayName = SelectedStoredConnection != null && SelectedStoredConnection.Id != Guid.Empty ? SelectedStoredConnection.DisplayName : "";
 
-            if (!ConnectionDisplayNameDialog.Execute(ref displayName))
+            if (!InputDialog.Execute(ref displayName, ConnectionWindowStrings.ProfileNameDialogTitle))
                 return;
 
             var storedConnectionSettings = await connectionSettingsRepository.Add(displayName, StorePassword, ToModel());

PettingZoo/UI/Connection/ConnectionWindowStrings.Designer.cs

@@ -213,6 +213,15 @@ namespace PettingZoo.UI.Connection {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Profile name.
+        /// </summary>
+        public static string ProfileNameDialogTitle {
+            get {
+                return ResourceManager.GetString("ProfileNameDialogTitle", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Connection parameters.
         /// </summary>

PettingZoo/UI/Connection/ConnectionWindowStrings.resx

@@ -112,10 +112,10 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <data name="ButtonCancel" xml:space="preserve">
     <value>Cancel</value>
@@ -168,6 +168,9 @@
   <data name="LastUsedDisplayName" xml:space="preserve">
     <value>&lt;New connection&gt;</value>
   </data>
+  <data name="ProfileNameDialogTitle" xml:space="preserve">
+    <value>Profile name</value>
+  </data>
   <data name="WindowTitle" xml:space="preserve">
     <value>Connection parameters</value>
   </data>

PettingZoo/UI/InputDialog.xaml

@@ -0,0 +1,25 @@
+<Window x:Class="PettingZoo.UI.InputDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:PettingZoo.UI"
+        mc:Ignorable="d"
+        Width="400"
+        SizeToContent="Height"
+        ResizeMode="NoResize"
+        WindowStyle="ToolWindow"
+        WindowStartupLocation="CenterOwner"
+        Style="{StaticResource WindowStyle}"
+        Title="{Binding Title}" 
+        FocusManager.FocusedElement="{Binding ElementName=ValueTextBox}"
+        d:DataContext="{d:DesignInstance local:InputDialogViewModel}">
+    <StackPanel Margin="8">
+        <TextBox Name="ValueTextBox" Text="{Binding Value, UpdateSourceTrigger=PropertyChanged}" />
+
+        <UniformGrid HorizontalAlignment="Right" Rows="1" Columns="2" Style="{StaticResource FooterPanel}">
+            <Button IsDefault="True" Content="{x:Static local:InputDialogStrings.ButtonOK}" Style="{StaticResource FooterButton}" Command="{Binding OkCommand}"/>
+            <Button IsCancel="True" Content="{x:Static local:InputDialogStrings.ButtonCancel}" Style="{StaticResource FooterButton}"/>
+        </UniformGrid>        
+    </StackPanel>
+</Window>

PettingZoo/UI/InputDialog.xaml.cs

@@ -1,18 +1,19 @@
 using System.Linq;
 using System.Windows;
 
-namespace PettingZoo.UI.Connection
+namespace PettingZoo.UI
 {
     /// <summary>
-    /// Interaction logic for ConnectionDisplayNameDialog.xaml
+    /// Interaction logic for InputDialog.xaml
     /// </summary>
-    public partial class ConnectionDisplayNameDialog
+    public partial class InputDialog
     {
-        public static bool Execute(ref string displayName)
+        public static bool Execute(ref string value, string title)
         {
-            var viewModel = new ConnectionDisplayNameViewModel
+            var viewModel = new InputDialogViewModel
             {
-                DisplayName = displayName
+                Value = value,
+                Title = title
             };
 
 
@@ -20,7 +21,7 @@ namespace PettingZoo.UI.Connection
                 .Cast<Window>()
                 .FirstOrDefault(applicationWindow => applicationWindow.IsActive);
 
-            var window = new ConnectionDisplayNameDialog(viewModel)
+            var window = new InputDialog(viewModel)
             {
                 Owner = activeWindow ?? Application.Current.MainWindow
             };
@@ -28,12 +29,12 @@ namespace PettingZoo.UI.Connection
             if (!window.ShowDialog().GetValueOrDefault())
                 return false;
 
-            displayName = viewModel.DisplayName;
+            value = viewModel.Value;
             return true;
         }
 
 
-        public ConnectionDisplayNameDialog(ConnectionDisplayNameViewModel viewModel)
+        public InputDialog(InputDialogViewModel viewModel)
         {
             viewModel.OkClick += (_, _) =>
             {
@@ -43,7 +44,7 @@ namespace PettingZoo.UI.Connection
             DataContext = viewModel;
             InitializeComponent();
 
-            DisplayNameTextBox.CaretIndex = DisplayNameTextBox.Text.Length;
+            ValueTextBox.CaretIndex = ValueTextBox.Text.Length;
         }
     }
 }

PettingZoo/UI/InputDialogStrings.Designer.cs

@@ -8,7 +8,7 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-namespace PettingZoo.UI.Connection {
+namespace PettingZoo.UI {
     using System;
     
     
@@ -22,14 +22,14 @@ namespace PettingZoo.UI.Connection {
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    public class ConnectionDisplayNameStrings {
+    public class InputDialogStrings {
         
         private static global::System.Resources.ResourceManager resourceMan;
         
         private static global::System.Globalization.CultureInfo resourceCulture;
         
         [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
-        internal ConnectionDisplayNameStrings() {
+        internal InputDialogStrings() {
         }
         
         /// <summary>
@@ -39,7 +39,7 @@ namespace PettingZoo.UI.Connection {
         public static global::System.Resources.ResourceManager ResourceManager {
             get {
                 if (object.ReferenceEquals(resourceMan, null)) {
-                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("PettingZoo.UI.Connection.ConnectionDisplayNameStrings", typeof(ConnectionDisplayNameStrings).Assembly);
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("PettingZoo.UI.InputDialogStrings", typeof(InputDialogStrings).Assembly);
                     resourceMan = temp;
                 }
                 return resourceMan;
@@ -77,14 +77,5 @@ namespace PettingZoo.UI.Connection {
                 return ResourceManager.GetString("ButtonOK", resourceCulture);
             }
         }
-        
-        /// <summary>
-        ///   Looks up a localized string similar to Profile name.
-        /// </summary>
-        public static string WindowTitle {
-            get {
-                return ResourceManager.GetString("WindowTitle", resourceCulture);
-            }
-        }
     }
 }

PettingZoo/UI/InputDialogStrings.resx

@@ -112,10 +112,10 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <data name="ButtonCancel" xml:space="preserve">
     <value>Cancel</value>
@@ -123,7 +123,4 @@
   <data name="ButtonOK" xml:space="preserve">
     <value>OK</value>
   </data>
-  <data name="WindowTitle" xml:space="preserve">
-    <value>Profile name</value>
-  </data>
 </root>

PettingZoo/UI/InputDialogViewModel.cs

@@ -2,27 +2,36 @@
 using System.Windows.Input;
 using PettingZoo.WPF.ViewModel;
 
-namespace PettingZoo.UI.Connection
+namespace PettingZoo.UI
 {
-    public class ConnectionDisplayNameViewModel : BaseViewModel
+    public class InputDialogViewModel : BaseViewModel
     {
-        private string displayName = "";
+        private string title = "";
+        private string value = "";
 
         private readonly DelegateCommand okCommand;
 
 
-        public string DisplayName
+        public string Title
         {
-            get => displayName;
-            set => SetField(ref displayName, value, delegateCommandsChanged: new [] { okCommand });
+            get => title;
+            set => SetField(ref title, value);
         }
 
+
+        public string Value
+        {
+            get => value;
+            set => SetField(ref this.value, value, delegateCommandsChanged: new [] { okCommand });
+        }
+
+
         public ICommand OkCommand => okCommand;
 
         public event EventHandler? OkClick;
 
 
-        public ConnectionDisplayNameViewModel()
+        public InputDialogViewModel()
         {
             okCommand = new DelegateCommand(OkExecute, OkCanExecute);
         }
@@ -36,7 +45,7 @@ namespace PettingZoo.UI.Connection
 
         private bool OkCanExecute()
         {
-            return !string.IsNullOrWhiteSpace(DisplayName);
+            return !string.IsNullOrWhiteSpace(Value);
         }
     }
 }

PettingZoo/UI/Main/MainWindow.xaml

@@ -7,6 +7,7 @@
         xmlns:tab="clr-namespace:PettingZoo.UI.Tab"
         xmlns:svgc="http://sharpvectors.codeplex.com/svgc/"
         xmlns:ui="clr-namespace:PettingZoo.UI"
+        xmlns:controls="clr-namespace:PettingZoo.WPF.Controls;assembly=PettingZoo.WPF"
         mc:Ignorable="d"
         d:DataContext="{d:DesignInstance main:DesignTimeMainWindowViewModel, IsDesignTimeCreatable=True}"
         Width="800" 
@@ -24,7 +25,7 @@
         <ui:BindingProxy x:Key="ContextMenuProxy" Data="{Binding}" />
     </Window.Resources>
     <DockPanel>
-        <ToolBar DockPanel.Dock="Top" ToolBarTray.IsLocked="True" Loaded="Toolbar_Loaded">
+        <controls:AutoOverflowToolBar DockPanel.Dock="Top" ToolBarTray.IsLocked="True">
             <Button Command="{Binding ConnectCommand}">
                 <StackPanel Orientation="Horizontal">
                     <Image Source="{svgc:SvgImage Source=/Images/Connect.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
@@ -82,7 +83,7 @@
                     </DataTemplate>
                 </ItemsControl.ItemTemplate>
             </ItemsControl>
-        </ToolBar>
+        </controls:AutoOverflowToolBar>
         <StatusBar DockPanel.Dock="Bottom">
             <StatusBarItem>
                 <StackPanel Orientation="Horizontal">

PettingZoo/UI/Main/MainWindow.xaml.cs

@@ -5,7 +5,7 @@ using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Media;
 using PettingZoo.Core.Connection;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 using PettingZoo.UI.Connection;
 using PettingZoo.UI.Subscribe;
 using PettingZoo.UI.Tab;
@@ -139,18 +139,6 @@ namespace PettingZoo.UI.Main
 
         public double TabWidth => SubscriberTabs.ActualWidth;
         public double TabHeight => SubscriberTabs.ActualHeight;
-
-        private void Toolbar_Loaded(object sender, RoutedEventArgs e)
-        {
-            // Hide arrow on the right side of the toolbar
-            var toolBar = sender as ToolBar;
-
-            if (toolBar?.Template.FindName("OverflowGrid", toolBar) is FrameworkElement overflowGrid)
-                overflowGrid.Visibility = Visibility.Collapsed;
-
-            if (toolBar?.Template.FindName("MainPanelBorder", toolBar) is FrameworkElement mainPanelBorder)
-                mainPanelBorder.Margin = new Thickness(0);
-        }
     }
     #pragma warning restore CA1001
 }

PettingZoo/UI/Main/MainWindowStrings.Designer.cs

@@ -160,7 +160,7 @@ namespace PettingZoo.UI.Main {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Connected.
+        ///   Looks up a localized string similar to Connected to {0}.
         /// </summary>
         public static string StatusConnected {
             get {

PettingZoo/UI/Main/MainWindowStrings.resx

@@ -151,7 +151,7 @@
     <value>Importing messages...</value>
   </data>
   <data name="StatusConnected" xml:space="preserve">
-    <value>Connected</value>
+    <value>Connected to {0}</value>
   </data>
   <data name="StatusConnecting" xml:space="preserve">
     <value>Connecting to {0}...</value>

PettingZoo/UI/Main/MainWindowViewModel.cs

@@ -9,7 +9,7 @@ using System.Windows;
 using System.Windows.Forms;
 using System.Windows.Input;
 using PettingZoo.Core.Connection;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 using PettingZoo.UI.Connection;
 using PettingZoo.UI.Subscribe;
 using PettingZoo.UI.Tab;
@@ -43,7 +43,7 @@ namespace PettingZoo.UI.Main
         private readonly IExportImportFormatProvider exportImportFormatProvider;
 
         private SubscribeDialogParams? subscribeDialogParams;
-        private IConnection? connection;
+        private readonly DynamicConnection connection = new();
         private string connectionStatus;
         private ITab? activeTab;
         private readonly Dictionary<ITab, Window> undockedTabs = new();
@@ -141,14 +141,14 @@ namespace PettingZoo.UI.Main
             closeTabCommand = new DelegateCommand(CloseTabExecute, HasActiveTabCanExecute);
             undockTabCommand = new DelegateCommand(UndockTabExecute, HasActiveTabCanExecute);
             importCommand = new DelegateCommand(ImportExecute);
+
+            connection.StatusChanged += ConnectionStatusChanged;
         }
 
 
         public async ValueTask DisposeAsync()
         {
             GC.SuppressFinalize(this);
-
-            if (connection != null)
             await connection.DisposeAsync();
         }
 
@@ -159,13 +159,9 @@ namespace PettingZoo.UI.Main
             if (connectionSettings == null)
                 return;
 
-            if (connection != null)
-                await connection.DisposeAsync();
-
-            connection = connectionFactory.CreateConnection(new ConnectionParams(
+            connection.SetConnection(connectionFactory.CreateConnection(new ConnectionParams(
                 connectionSettings.Host, connectionSettings.VirtualHost, connectionSettings.Port,
-                connectionSettings.Username, connectionSettings.Password));
-            connection.StatusChanged += ConnectionStatusChanged;
+                connectionSettings.Username, connectionSettings.Password)));
 
             if (connectionSettings.Subscribe)
             {
@@ -173,38 +169,20 @@ namespace PettingZoo.UI.Main
                 tabFactory.CreateSubscriberTab(connection, subscriber);
             }
 
+            connection.Connect();
             ConnectionChanged();
         }
 
 
         private async void DisconnectExecute()
         {
-            Tabs.Clear();
-
-            var capturedUndockedTabs = undockedTabs.ToList();
-            undockedTabs.Clear();
-
-            foreach (var undockedTab in capturedUndockedTabs)
-                undockedTab.Value.Close();
-
-            RaisePropertyChanged(nameof(NoTabsVisibility));
-            undockTabCommand.RaiseCanExecuteChanged();
-
-            if (connection != null)
-            {
-                await connection.DisposeAsync();
-                connection = null;
-            }
-
-            ConnectionStatus = GetConnectionStatus(null);
-            ConnectionStatusType = ConnectionStatusType.Error;
-            ConnectionChanged();
+            await connection.Disconnect();
         }
 
 
         private void SubscribeExecute()
         {
-            if (connection == null)
+            if (connection.Status != Core.Connection.ConnectionStatus.Connected)
                 return;
 
             var newParams = subscribeDialog.Show(subscribeDialogParams);
@@ -220,7 +198,7 @@ namespace PettingZoo.UI.Main
 
         private void PublishExecute()
         {
-            if (connection == null)
+            if (connection.Status != Core.Connection.ConnectionStatus.Connected)
                 return;
 
             tabFactory.CreatePublisherTab(connection);
@@ -229,7 +207,7 @@ namespace PettingZoo.UI.Main
 
         private bool IsConnectedCanExecute()
         {
-            return connection != null;
+            return connection.Status == Core.Connection.ConnectionStatus.Connected;
         }
 
 
@@ -419,6 +397,8 @@ namespace PettingZoo.UI.Main
                 Core.Connection.ConnectionStatus.Connecting => ConnectionStatusType.Connecting,
                 _ => ConnectionStatusType.Error
             };
+
+            Application.Current.Dispatcher.BeginInvoke(ConnectionChanged);
         }
 
 
@@ -427,9 +407,9 @@ namespace PettingZoo.UI.Main
         {
             return args?.Status switch
             {
-                Core.Connection.ConnectionStatus.Connecting => string.Format(MainWindowStrings.StatusConnecting, args.Context),
-                Core.Connection.ConnectionStatus.Connected => string.Format(MainWindowStrings.StatusConnected, args.Context),
-                Core.Connection.ConnectionStatus.Error => string.Format(MainWindowStrings.StatusError, args.Context),
+                Core.Connection.ConnectionStatus.Connecting => string.Format(MainWindowStrings.StatusConnecting, args.ConnectionParams),
+                Core.Connection.ConnectionStatus.Connected => string.Format(MainWindowStrings.StatusConnected, args.ConnectionParams),
+                Core.Connection.ConnectionStatus.Error => string.Format(MainWindowStrings.StatusError, args.Exception?.Message),
                 Core.Connection.ConnectionStatus.Disconnected => MainWindowStrings.StatusDisconnected,
                 _ => MainWindowStrings.StatusDisconnected
             };

PettingZoo/UI/Tab/ITabFactory.cs

@@ -4,7 +4,7 @@ namespace PettingZoo.UI.Tab
 {
     public interface ITabFactory
     {
-        void CreateSubscriberTab(IConnection? connection, ISubscriber subscriber);
+        void CreateSubscriberTab(IConnection connection, ISubscriber subscriber);
         string CreateReplySubscriberTab(IConnection connection);
         void CreatePublisherTab(IConnection connection, ReceivedMessageInfo? fromReceivedMessage = null);
     }

PettingZoo/UI/Tab/Publisher/PayloadEditorControl.xaml.cs

@@ -123,16 +123,15 @@ namespace PettingZoo.UI.Tab.Publisher
         }
 
 
-        private IPayloadMacroProcessor? macroProcessor;
         public IPayloadMacroProcessor? MacroProcessor
         {
-            get => macroProcessor;
+            get => viewModel.MacroProcessor;
             set
             {
-                if (value == macroProcessor)
+                if (value == viewModel.MacroProcessor)
                     return;
 
-                macroProcessor = value;
+                viewModel.MacroProcessor = value;
                 UpdateMacroContextMenu();
             }
         }
@@ -266,10 +265,10 @@ namespace PettingZoo.UI.Tab.Publisher
         {
             ContextMenuInsertMacro.Items.Clear();
 
-            if (macroProcessor == null)
+            if (MacroProcessor == null)
                 return;
 
-            foreach (var macro in macroProcessor.Macros)
+            foreach (var macro in MacroProcessor.Macros)
             {
                 var macroMenuItem = new MenuItem
                 {

PettingZoo/UI/Tab/Publisher/PayloadEditorViewModel.cs

@@ -2,10 +2,10 @@
 using System.ComponentModel;
 using System.Reactive.Linq;
 using System.Windows;
-using System.Windows.Input;
 using ICSharpCode.AvalonEdit.Highlighting;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
+using PettingZoo.Core.Macros;
 using PettingZoo.Core.Validation;
 using PettingZoo.WPF.ViewModel;
 
@@ -159,6 +159,7 @@ namespace PettingZoo.UI.Tab.Publisher
 
 
         public IPayloadValidator? Validator { get; set; }
+        public IPayloadMacroProcessor? MacroProcessor { get; set; }
 
 
         public PayloadEditorViewModel()
@@ -166,7 +167,7 @@ namespace PettingZoo.UI.Tab.Publisher
             var observable = Observable.FromEventPattern<PropertyChangedEventHandler, PropertyChangedEventArgs>(
                 h => PropertyChanged += h,
                 h => PropertyChanged -= h)
-                .Where(e => e.EventArgs.PropertyName == nameof(Payload));
+                .Where(e => e.EventArgs.PropertyName is nameof(Payload) or nameof(EnableMacros));
 
             observable
                 .Subscribe(_ => ValidatingPayload());
@@ -204,14 +205,18 @@ namespace PettingZoo.UI.Tab.Publisher
             {
                 if (!string.IsNullOrEmpty(Payload))
                 {
+                    var validatePayload = EnableMacros && MacroProcessor != null
+                        ? MacroProcessor.Apply(Payload)
+                        : Payload;
+
                     if (Validator != null && Validator.CanValidate())
                     {
-                        Validator.Validate(payload);
+                        Validator.Validate(validatePayload);
                         ValidationInfo = new ValidationInfo(ValidationStatus.Ok);
                     }
                     else
                     {
-                        JToken.Parse(Payload);
+                        JToken.Parse(validatePayload);
                         ValidationInfo = new ValidationInfo(ValidationStatus.OkSyntax);
                     }
                 }

PettingZoo/UI/Tab/Publisher/PublisherView.xaml

@@ -6,12 +6,20 @@
              xmlns:res="clr-namespace:PettingZoo.UI.Tab.Publisher"
              xmlns:controls="clr-namespace:PettingZoo.WPF.Controls;assembly=PettingZoo.WPF"
              xmlns:svgc="http://sharpvectors.codeplex.com/svgc/"
+             xmlns:valueConverters="clr-namespace:PettingZoo.WPF.ValueConverters;assembly=PettingZoo.WPF"
              mc:Ignorable="d" 
-             d:DesignHeight="450" 
+             d:DesignHeight="1200" 
              d:DesignWidth="800"
              d:DataContext="{d:DesignInstance res:DesignTimePublisherViewModel, IsDesignTimeCreatable=True}"
              Background="White">
-    <ScrollViewer VerticalScrollBarVisibility="Auto">
+    <Grid>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="Auto" />
+            <ColumnDefinition Width="350" />
+        </Grid.ColumnDefinitions>
+
+        <ScrollViewer Grid.Column="0" VerticalScrollBarVisibility="Auto">
             <controls:GridLayout Style="{StaticResource Form}" Margin="4" Grid.IsSharedSizeScope="True">
                 <Grid.RowDefinitions>
                     <RowDefinition Height="Auto"/>
@@ -26,6 +34,7 @@
                     <RowDefinition Height="16" />
                     <RowDefinition Height="Auto" />
                     <RowDefinition Height="Auto" />
+                    <RowDefinition Height="Auto" />
                 </Grid.RowDefinitions>
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="Auto" SharedSizeGroup="Label" />
@@ -73,6 +82,92 @@
                 <ContentControl Grid.Row="10" Grid.Column="0" Grid.ColumnSpan="2" Margin="0 8 0 0" Content="{Binding MessageTypeControl}" />
 
                 <Button Grid.Row="11" Grid.Column="1" Command="{Binding PublishCommand}" Content="{x:Static res:PublisherViewStrings.CommandPublish}" HorizontalAlignment="Left" />
+                <TextBlock Grid.Row="12" Grid.Column="1" Text="{x:Static res:PublisherViewStrings.Published}" Visibility="{Binding PublishedVisibility}" />
             </controls:GridLayout>
         </ScrollViewer>
+
+        <GridSplitter Width="5" Grid.Column="1" Grid.Row="0" HorizontalAlignment="Stretch"/>
+
+        <Grid Grid.Column="2" Grid.Row="0">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="*"/>
+            </Grid.RowDefinitions>
+
+            <Label Grid.Row="0" Style="{StaticResource HeaderLabel}" Content="{x:Static res:PublisherViewStrings.PanelTitleMessages}"/>
+
+            <controls:AutoOverflowToolBar Grid.Row="1" ToolBarTray.IsLocked="True" Margin="0,0,0,4">
+                <!-- TODO load button in addition to double-click. I don't like hidden-only functionality -->
+                <Button Command="{Binding SaveCommand}">
+                    <StackPanel Orientation="Horizontal">
+                        <Image Source="{svgc:SvgImage Source=/Images/Save.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
+                        <TextBlock Margin="3,0,0,0" Text="{x:Static res:PublisherViewStrings.ToolbarSave}" />
+                    </StackPanel>
+                </Button>
+                <Button Command="{Binding SaveAsCommand}">
+                    <StackPanel Orientation="Horizontal">
+                        <Image Source="{svgc:SvgImage Source=/Images/SaveAs.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
+                        <TextBlock Margin="3,0,0,0" Text="{x:Static res:PublisherViewStrings.ToolbarSaveAs}" />
+                    </StackPanel>
+                </Button>
+                <Separator Style="{StaticResource {x:Static ToolBar.SeparatorStyleKey}}" />
+                <Button Command="{Binding DeleteCommand}">
+                    <StackPanel Orientation="Horizontal">
+                        <Image Source="{svgc:SvgImage Source=/Images/Delete.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
+                        <TextBlock Margin="3,0,0,0" Text="{x:Static res:PublisherViewStrings.ToolbarDelete}" />
+                    </StackPanel>
+                </Button>
+                <Separator Style="{StaticResource {x:Static ToolBar.SeparatorStyleKey}}" />
+                <Button Command="{Binding ExportCommand}">
+                    <StackPanel Orientation="Horizontal">
+                        <Image Source="{svgc:SvgImage Source=/Images/Export.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
+                        <TextBlock Margin="3,0,0,0" Text="{x:Static res:PublisherViewStrings.ToolbarExport}" />
+                    </StackPanel>
+                </Button>
+                <Button Command="{Binding ImportCommand}">
+                    <StackPanel Orientation="Horizontal">
+                        <Image Source="{svgc:SvgImage Source=/Images/Import.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
+                        <TextBlock Margin="3,0,0,0" Text="{x:Static res:PublisherViewStrings.ToolbarImport}" />
+                    </StackPanel>
+                </Button>
+                <!-- TODO export / import -->
+            </controls:AutoOverflowToolBar>
+
+            <ListBox Grid.Row="2" ItemsSource="{Binding StoredMessages}" SelectedValue="{Binding SelectedStoredMessage}">
+                <ListBox.Resources>
+                    <valueConverters:SameReferenceConverter x:Key="SameReferenceConverter" />
+                </ListBox.Resources>
+                <ListBox.ItemContainerStyle>
+                    <Style TargetType="ListBoxItem">
+                        <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
+                    </Style>
+                </ListBox.ItemContainerStyle>
+                <ListBox.ItemTemplate>
+                    <DataTemplate>
+                        <TextBlock Text="{Binding DisplayName}">
+                            <TextBlock.Style>
+                                <Style TargetType="{x:Type TextBlock}">
+                                    <Style.Triggers>
+                                        <DataTrigger Value="True">
+                                            <DataTrigger.Binding>
+                                                <MultiBinding Converter="{StaticResource SameReferenceConverter}">
+                                                    <Binding RelativeSource="{RelativeSource AncestorType={x:Type ListBoxItem}}" Path="DataContext" />
+                                                    <Binding RelativeSource="{RelativeSource AncestorType={x:Type ListBox}}" Path="DataContext.ActiveStoredMessage" />
+                                                </MultiBinding>
+                                            </DataTrigger.Binding>
+                                            <Setter Property="FontWeight" Value="Bold" />
+                                        </DataTrigger>
+                                    </Style.Triggers>
+                                </Style>
+                            </TextBlock.Style>
+                            <TextBlock.InputBindings>
+                                <MouseBinding MouseAction="LeftDoubleClick" Command="{Binding DataContext.LoadStoredMessageCommand, RelativeSource={RelativeSource AncestorType={x:Type ListBox}}}" />
+                            </TextBlock.InputBindings>
+                        </TextBlock>
+                    </DataTemplate>
+                </ListBox.ItemTemplate>
+            </ListBox>
+        </Grid>
+    </Grid>
 </UserControl>

PettingZoo/UI/Tab/Publisher/PublisherViewModel.cs

@@ -1,27 +1,33 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
 using System.Windows;
-using System.Windows.Controls;
+using System.Windows.Forms;
 using System.Windows.Input;
+using System.Windows.Threading;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
 using PettingZoo.Core.Connection;
+using PettingZoo.Core.ExportImport.Publisher;
 using PettingZoo.Core.Generator;
 using PettingZoo.Core.Macros;
+using PettingZoo.Core.Settings;
 using PettingZoo.WPF.ViewModel;
+using Application = System.Windows.Application;
+using UserControl = System.Windows.Controls.UserControl;
 
 namespace PettingZoo.UI.Tab.Publisher
 {
-    public enum MessageType
-    {
-        Raw,
-        Tapeti
-    }
-    
-
-    public class PublisherViewModel : BaseViewModel, ITabToolbarCommands, ITabHostWindowNotify, IPublishDestination
+    public class PublisherViewModel : BaseViewModel, IDisposable, ITabToolbarCommands, ITabHostWindowNotify, IPublishDestination
     {
         private readonly IConnection connection;
         private readonly IExampleGenerator exampleGenerator;
         private readonly IPayloadMacroProcessor payloadMacroProcessor;
+        private readonly StoredPublisherMessagesViewModel storedPublisherMessagesViewModel;
         private readonly ITabFactory tabFactory;
 
         private bool sendToExchange = true;
@@ -29,26 +35,41 @@ namespace PettingZoo.UI.Tab.Publisher
         private string routingKey = "";
         private string queue = "";
         private string replyTo = "";
-        private bool replyToSpecified = true;
+        private bool replyToNewSubscriber;
 
-        private MessageType messageType;
+        private StoredPublisherMessage? selectedStoredMessage;
+        private StoredPublisherMessage? activeStoredMessage;
+
+        private PublisherMessageType messageType;
         private UserControl? messageTypeControl;
         private ICommand? messageTypePublishCommand;
 
+        private RawPublisherViewModel? rawPublisherViewModel;
         private UserControl? rawPublisherView;
+
+        private TapetiPublisherViewModel? tapetiPublisherViewModel;
         private UserControl? tapetiPublisherView;
 
         private readonly DelegateCommand publishCommand;
+        private readonly DelegateCommand saveCommand;
+        private readonly DelegateCommand saveAsCommand;
+        private readonly DelegateCommand deleteCommand;
+        private readonly DelegateCommand loadStoredMessageCommand;
+        private readonly DelegateCommand exportCommand;
+        private readonly DelegateCommand importCommand;
+
         private readonly TabToolbarCommand[] toolbarCommands;
         private Window? tabHostWindow;
+        private bool disableCheckCanSave;
 
 
         public bool SendToExchange
         {
             get => sendToExchange;
             set => SetField(ref sendToExchange, value,
-                delegateCommandsChanged: new [] { publishCommand },
-                otherPropertiesChanged: new[] { nameof(SendToQueue), nameof(ExchangeVisibility), nameof(QueueVisibility), nameof(Title) });
+                delegateCommandsChanged: new[] { publishCommand },
+                otherPropertiesChanged: new[]
+                    { nameof(SendToQueue), nameof(ExchangeVisibility), nameof(QueueVisibility), nameof(Title) });
         }
 
 
@@ -69,14 +90,16 @@ namespace PettingZoo.UI.Tab.Publisher
         public string RoutingKey
         {
             get => routingKey;
-            set => SetField(ref routingKey, value, delegateCommandsChanged: new[] { publishCommand }, otherPropertiesChanged: new[] { nameof(Title) });
+            set => SetField(ref routingKey, value, delegateCommandsChanged: new[] { publishCommand },
+                otherPropertiesChanged: new[] { nameof(Title) });
         }
 
 
         public string Queue
         {
             get => queue;
-            set => SetField(ref queue, value, delegateCommandsChanged: new[] { publishCommand }, otherPropertiesChanged: new[] { nameof(Title) });
+            set => SetField(ref queue, value, delegateCommandsChanged: new[] { publishCommand },
+                otherPropertiesChanged: new[] { nameof(Title) });
         }
 
 
@@ -89,15 +112,16 @@ namespace PettingZoo.UI.Tab.Publisher
 
         public bool ReplyToSpecified
         {
-            get => replyToSpecified;
-            set => SetField(ref replyToSpecified, value, otherPropertiesChanged: new[] { nameof(ReplyToNewSubscriber) });
+            get => !ReplyToNewSubscriber;
+            set => ReplyToNewSubscriber = !value;
         }
 
 
         public bool ReplyToNewSubscriber
         {
-            get => !ReplyToSpecified;
-            set => ReplyToSpecified = !value;
+            get => replyToNewSubscriber;
+            set => SetField(ref replyToNewSubscriber, value,
+                otherPropertiesChanged: new[] { nameof(ReplyToSpecified) });
         }
 
 
@@ -105,7 +129,7 @@ namespace PettingZoo.UI.Tab.Publisher
         public virtual Visibility QueueVisibility => SendToQueue ? Visibility.Visible : Visibility.Collapsed;
 
 
-        public MessageType MessageType
+        public PublisherMessageType MessageType
         {
             get => messageType;
             set
@@ -124,14 +148,20 @@ namespace PettingZoo.UI.Tab.Publisher
 
         public bool MessageTypeRaw
         {
-            get => MessageType == MessageType.Raw;
-            set { if (value) MessageType = MessageType.Raw; }
+            get => MessageType == PublisherMessageType.Raw;
+            set
+            {
+                if (value) MessageType = PublisherMessageType.Raw;
+            }
         }
 
         public bool MessageTypeTapeti
         {
-            get => MessageType == MessageType.Tapeti;
-            set { if (value) MessageType = MessageType.Tapeti; }
+            get => MessageType == PublisherMessageType.Tapeti;
+            set
+            {
+                if (value) MessageType = PublisherMessageType.Tapeti;
+            }
         }
 
 
@@ -142,12 +172,51 @@ namespace PettingZoo.UI.Tab.Publisher
         }
 
 
+        public ObservableCollectionEx<StoredPublisherMessage> StoredMessages =>
+            storedPublisherMessagesViewModel.StoredMessages;
+
+        public StoredPublisherMessage? SelectedStoredMessage
+        {
+            get => selectedStoredMessage;
+            set => SetField(ref selectedStoredMessage, value, delegateCommandsChanged: new[] { loadStoredMessageCommand, deleteCommand, exportCommand });
+        }
+
+
+        public StoredPublisherMessage? ActiveStoredMessage
+        {
+            get => activeStoredMessage;
+            set => SetField(ref activeStoredMessage, value);
+        }
+
+
         public ICommand PublishCommand => publishCommand;
+        public ICommand SaveCommand => saveCommand;
+        public ICommand SaveAsCommand => saveAsCommand;
+        public ICommand DeleteCommand => deleteCommand;
+        public ICommand LoadStoredMessageCommand => loadStoredMessageCommand;
+        public ICommand ExportCommand => exportCommand;
+        public ICommand ImportCommand => importCommand;
+
+
+        private readonly DispatcherTimer publishedVisibilityTimer = new()
+        {
+            Interval = TimeSpan.FromSeconds(1)
+        };
+
+        private Visibility publishedVisibility = Visibility.Hidden;
+        public Visibility PublishedVisibility
+        {
+            get => publishedVisibility;
+            set => SetField(ref publishedVisibility, value);
+        }
 
 
         public string Title => SendToQueue
-                ? string.IsNullOrWhiteSpace(Queue) ? PublisherViewStrings.TabTitleEmpty : string.Format(PublisherViewStrings.TabTitle, Queue)
-                : string.IsNullOrWhiteSpace(RoutingKey) ? PublisherViewStrings.TabTitleEmpty : string.Format(PublisherViewStrings.TabTitle, RoutingKey);
+            ? string.IsNullOrWhiteSpace(Queue) ? PublisherViewStrings.TabTitleEmpty :
+            string.Format(PublisherViewStrings.TabTitle, Queue)
+            : string.IsNullOrWhiteSpace(RoutingKey)
+                ? PublisherViewStrings.TabTitleEmpty
+                : string.Format(PublisherViewStrings.TabTitle, RoutingKey);
 
 
         public IEnumerable<TabToolbarCommand> ToolbarCommands => toolbarCommands;
@@ -157,35 +226,83 @@ namespace PettingZoo.UI.Tab.Publisher
         string IPublishDestination.RoutingKey => SendToExchange ? RoutingKey : Queue;
 
 
-        public PublisherViewModel(ITabFactory tabFactory, IConnection connection, IExampleGenerator exampleGenerator, IPayloadMacroProcessor payloadMacroProcessor, ReceivedMessageInfo? fromReceivedMessage = null)
+        public PublisherViewModel(ITabFactory tabFactory, IConnection connection, IExampleGenerator exampleGenerator,
+            IPayloadMacroProcessor payloadMacroProcessor,
+            StoredPublisherMessagesViewModel storedPublisherMessagesViewModel,
+            ReceivedMessageInfo? fromReceivedMessage = null)
         {
             this.connection = connection;
             this.exampleGenerator = exampleGenerator;
             this.payloadMacroProcessor = payloadMacroProcessor;
+            this.storedPublisherMessagesViewModel = storedPublisherMessagesViewModel;
             this.tabFactory = tabFactory;
 
             publishCommand = new DelegateCommand(PublishExecute, PublishCanExecute);
+            saveCommand = new DelegateCommand(SaveExecute, SaveCanExecute);
+            saveAsCommand = new DelegateCommand(SaveAsExecute);
+            deleteCommand = new DelegateCommand(DeleteExecute, SelectedMessageCanExecute);
+            loadStoredMessageCommand = new DelegateCommand(LoadStoredMessageExecute, SelectedMessageCanExecute);
+            exportCommand = new DelegateCommand(ExportExecute, SelectedMessageCanExecute);
+            importCommand = new DelegateCommand(ImportExecute);
 
             toolbarCommands = new[]
             {
-                new TabToolbarCommand(PublishCommand, PublisherViewStrings.CommandPublish, SvgIconHelper.LoadFromResource("/Images/PublishSend.svg"))
+                new TabToolbarCommand(PublishCommand, PublisherViewStrings.CommandPublish,
+                    SvgIconHelper.LoadFromResource("/Images/PublishSend.svg"))
             };
 
             if (fromReceivedMessage != null)
                 SetMessageTypeControl(fromReceivedMessage);
             else
-                SetMessageTypeControl(MessageType.Raw);
+                SetMessageTypeControl(PublisherMessageType.Raw);
+
+
+            PropertyChanged += (_, _) => { saveCommand.RaiseCanExecuteChanged(); };
+
+
+            // ReSharper disable once ConditionIsAlwaysTrueOrFalse - null in design time
+            if (connection != null)
+                connection.StatusChanged += ConnectionStatusChanged;
+
+            publishedVisibilityTimer.Tick += (_, _) =>
+            {
+                PublishedVisibility = Visibility.Hidden;
+                publishedVisibilityTimer.Stop();
+            };
+        }
+
+
+        public void Dispose()
+        {
+            connection.StatusChanged -= ConnectionStatusChanged;
+            GC.SuppressFinalize(this);
+        }
+
+
+        private void ConnectionStatusChanged(object? sender, StatusChangedEventArgs e)
+        {
+            Application.Current.Dispatcher.BeginInvoke(() =>
+            {
+                publishCommand.RaiseCanExecuteChanged();
+            });
         }
 
         
         private void PublishExecute()
         {
             messageTypePublishCommand?.Execute(null);
+
+            PublishedVisibility = Visibility.Visible;
+            publishedVisibilityTimer.Stop();
+            publishedVisibilityTimer.Start();
         }
 
 
         private bool PublishCanExecute()
         {
+            if (connection.Status != ConnectionStatus.Connected)
+                return false;
+
             if (SendToExchange)
             {
                 if (string.IsNullOrWhiteSpace(Exchange) || string.IsNullOrWhiteSpace(RoutingKey))
@@ -201,13 +318,11 @@ namespace PettingZoo.UI.Tab.Publisher
         }
 
 
-        private void SetMessageTypeControl(MessageType value)
+        private void SetMessageTypeControl(PublisherMessageType value)
         {
             switch (value)
             {
-                case MessageType.Raw:
-                    RawPublisherViewModel rawPublisherViewModel;
-
+                case PublisherMessageType.Raw:
                     if (rawPublisherView == null)
                     {
                         rawPublisherViewModel = new RawPublisherViewModel(connection, this, payloadMacroProcessor);
@@ -216,19 +331,22 @@ namespace PettingZoo.UI.Tab.Publisher
                             publishCommand.RaiseCanExecuteChanged();
                         };
 
-                        rawPublisherView ??= new RawPublisherView(rawPublisherViewModel);
+                        // This is becoming a bit messy, find a cleaner way... 
+                        // TODO monitor header changes as well, instead of only the collection
+                        rawPublisherViewModel.PropertyChanged += (_, _) => { saveCommand.RaiseCanExecuteChanged(); };
+                        rawPublisherViewModel.Headers.CollectionChanged += (_, _) => { saveCommand.RaiseCanExecuteChanged(); };
+
+                        rawPublisherView = new RawPublisherView(rawPublisherViewModel);
                     }
                     else
-                        rawPublisherViewModel = (RawPublisherViewModel)rawPublisherView.DataContext;
+                        Debug.Assert(rawPublisherViewModel != null);
 
                     MessageTypeControl = rawPublisherView;
 
                     messageTypePublishCommand = rawPublisherViewModel.PublishCommand;
                     break;
 
-                case MessageType.Tapeti:
-                    TapetiPublisherViewModel tapetiPublisherViewModel;
-
+                case PublisherMessageType.Tapeti:
                     if (tapetiPublisherView == null)
                     {
                         tapetiPublisherViewModel = new TapetiPublisherViewModel(connection, this, exampleGenerator, payloadMacroProcessor);
@@ -237,13 +355,15 @@ namespace PettingZoo.UI.Tab.Publisher
                             publishCommand.RaiseCanExecuteChanged();
                         };
 
-                        tapetiPublisherView ??= new TapetiPublisherView(tapetiPublisherViewModel);
+                        tapetiPublisherViewModel.PropertyChanged += (_, _) => { saveCommand.RaiseCanExecuteChanged(); };
+
+                        tapetiPublisherView = new TapetiPublisherView(tapetiPublisherViewModel);
 
                         if (tabHostWindow != null)
                             tapetiPublisherViewModel.HostWindowChanged(tabHostWindow);
                     }
                     else
-                        tapetiPublisherViewModel = (TapetiPublisherViewModel)tapetiPublisherView.DataContext;
+                        Debug.Assert(tapetiPublisherViewModel != null);
 
                     MessageTypeControl = tapetiPublisherView;
 
@@ -266,17 +386,17 @@ namespace PettingZoo.UI.Tab.Publisher
 
             if (TapetiPublisherViewModel.IsTapetiMessage(fromReceivedMessage))
             {
-                var tapetiPublisherViewModel = new TapetiPublisherViewModel(connection, this, exampleGenerator, payloadMacroProcessor, fromReceivedMessage);
+                tapetiPublisherViewModel = new TapetiPublisherViewModel(connection, this, exampleGenerator, payloadMacroProcessor, fromReceivedMessage);
                 tapetiPublisherView = new TapetiPublisherView(tapetiPublisherViewModel);
 
-                MessageType = MessageType.Tapeti;
+                MessageType = PublisherMessageType.Tapeti;
             }
             else
             {
-                var rawPublisherViewModel = new RawPublisherViewModel(connection, this, payloadMacroProcessor, fromReceivedMessage);
+                rawPublisherViewModel = new RawPublisherViewModel(connection, this, payloadMacroProcessor, fromReceivedMessage);
                 rawPublisherView = new RawPublisherView(rawPublisherViewModel);
 
-                MessageType = MessageType.Raw;
+                MessageType = PublisherMessageType.Raw;
             }
         }
 
@@ -304,16 +424,234 @@ namespace PettingZoo.UI.Tab.Publisher
 
             (tapetiPublisherView?.DataContext as TapetiPublisherViewModel)?.HostWindowChanged(hostWindow);
         }
+
+
+        private bool SaveCanExecute()
+        {
+            if (disableCheckCanSave)
+                return false;
+
+            return ActiveStoredMessage != null && !GetPublisherMessage().Equals(ActiveStoredMessage.Message);
+        }
+
+
+        private void SaveExecute()
+        {
+            if (ActiveStoredMessage == null)
+                return;
+
+            storedPublisherMessagesViewModel.Save(ActiveStoredMessage, GetPublisherMessage(), message =>
+            {
+                ActiveStoredMessage = message;
+                SelectedStoredMessage = message;
+
+                saveCommand.RaiseCanExecuteChanged();
+            });
+        }
+
+
+        private void SaveAsExecute()
+        {
+            storedPublisherMessagesViewModel.SaveAs(GetPublisherMessage(), ActiveStoredMessage?.DisplayName, message =>
+            {
+                ActiveStoredMessage = message;
+                SelectedStoredMessage = message;
+            });
+        }
+
+
+        private void DeleteExecute()
+        {
+            if (SelectedStoredMessage == null)
+                return;
+
+            var message = SelectedStoredMessage;
+
+            storedPublisherMessagesViewModel.Delete(message, () =>
+            {
+                if (SelectedStoredMessage == message)
+                    SelectedStoredMessage = null;
+
+                if (ActiveStoredMessage == message)
+                    ActiveStoredMessage = null;
+            });
+        }
+
+
+        private bool SelectedMessageCanExecute()
+        {
+            return SelectedStoredMessage != null;
+        }
+
+
+        private void LoadStoredMessageExecute()
+        {
+            if (SelectedStoredMessage == null)
+                return;
+
+            var message = SelectedStoredMessage.Message;
+
+            disableCheckCanSave = true;
+            try
+            {
+                MessageType = message.MessageType;
+                SendToExchange = message.SendToExchange;
+                Exchange = message.Exchange ?? "";
+                RoutingKey = message.RoutingKey ?? "";
+                Queue = message.Queue ?? "";
+                ReplyToNewSubscriber = message.ReplyToNewSubscriber;
+                ReplyTo = message.ReplyTo ?? "";
+
+                // ReSharper disable once SwitchStatementHandlesSomeKnownEnumValuesWithDefault
+                switch (message.MessageType)
+                {
+                    case PublisherMessageType.Raw:
+                        if (message.RawPublisherMessage != null)
+                            rawPublisherViewModel?.LoadPublisherMessage(message.RawPublisherMessage);
+
+                        break;
+
+                    case PublisherMessageType.Tapeti:
+                        if (message.TapetiPublisherMessage != null)
+                            tapetiPublisherViewModel?.LoadPublisherMessage(message.TapetiPublisherMessage);
+
+                        break;
+                }
+
+                ActiveStoredMessage = SelectedStoredMessage;
+            }
+            finally
+            {
+                disableCheckCanSave = false;
+                saveCommand.RaiseCanExecuteChanged();
+            }
+        }
+
+
+        private static readonly JsonSerializerSettings ExportImportSettings = new()
+        {
+            Converters = new List<JsonConverter> { new StringEnumConverter() }
+        };
+
+
+
+        private void ExportExecute()
+        {
+            if (SelectedStoredMessage == null)
+                return;
+
+            var invalidChars = Regex.Escape(new string(Path.GetInvalidFileNameChars()));
+            var invalidRegStr = string.Format(@"([{0}]*\.+$)|([{0}]+)", invalidChars);
+            var suggestedFilename = Regex.Replace(SelectedStoredMessage.DisplayName, invalidRegStr, "_");
+
+            var dialog = new SaveFileDialog
+            {
+                Filter = PublisherViewStrings.StoredMessagesExportImportFilter,
+                FileName = suggestedFilename
+            };
+
+            if (dialog.ShowDialog() != DialogResult.OK)
+                return;
+
+            File.WriteAllText(dialog.FileName, JsonConvert.SerializeObject(SelectedStoredMessage.Message, ExportImportSettings), Encoding.UTF8);
+        }
+
+
+        private void ImportExecute()
+        {
+            var dialog = new OpenFileDialog
+            {
+                Filter = PublisherViewStrings.StoredMessagesExportImportFilter
+            };
+
+            if (dialog.ShowDialog() != DialogResult.OK)
+                return;
+
+            var fileContents = File.ReadAllText(dialog.FileName, Encoding.UTF8);
+            var message = JsonConvert.DeserializeObject<PublisherMessage>(fileContents, ExportImportSettings);
+            if (message == null)
+                return;
+
+            var displayName = dialog.FileName.EndsWith(".pubmsg.json")
+                ? Path.GetFileName(dialog.FileName)[..^".pubmsg.json".Length]
+                : Path.GetFileNameWithoutExtension(dialog.FileName);
+
+            storedPublisherMessagesViewModel.SaveAs(message, displayName, storedMessage =>
+            {
+                SelectedStoredMessage = storedMessage;
+            });
+        }
+
+
+        private PublisherMessage GetPublisherMessage()
+        {
+            return new PublisherMessage
+            {
+                MessageType = MessageType,
+                SendToExchange = SendToExchange,
+                Exchange = Exchange,
+                RoutingKey = RoutingKey,
+                Queue = Queue,
+                ReplyToNewSubscriber = ReplyToNewSubscriber,
+                ReplyTo = ReplyTo,
+
+                RawPublisherMessage = MessageType == PublisherMessageType.Raw
+                    ? rawPublisherViewModel?.GetPublisherMessage()
+                    : null,
+
+                TapetiPublisherMessage = MessageType == PublisherMessageType.Tapeti
+                    ? tapetiPublisherViewModel?.GetPublisherMessage()
+                    : null
+            };
+        }
     }
 
 
     public class DesignTimePublisherViewModel : PublisherViewModel
     {
-        public DesignTimePublisherViewModel() : base(null!, null!, null!, null!)
+        public DesignTimePublisherViewModel() : base(null!, null!, null!, null!, new StoredPublisherMessagesViewModel(new DesignTimePublisherMessagesRepository()))
         {
+            StoredMessages.CollectionChanged += (_, _) =>
+            {
+                if (StoredMessages.Count < 2)
+                    return;
+
+                SelectedStoredMessage = StoredMessages[0];
+                ActiveStoredMessage = StoredMessages[1];
+            };
+
+            PublishedVisibility = Visibility.Visible;
         }
 
         public override Visibility ExchangeVisibility => Visibility.Visible;
         public override Visibility QueueVisibility => Visibility.Visible;
+
+
+        private class DesignTimePublisherMessagesRepository : IPublisherMessagesRepository
+        {
+            public Task<IEnumerable<StoredPublisherMessage>> GetStored()
+            {
+                return Task.FromResult(new StoredPublisherMessage[]
+                {
+                    new(new Guid("16fdf930-2e4c-48f4-ae21-68dac9ca62e6"), "Design-time message 1", new PublisherMessage()),
+                    new(new Guid("01d2671b-4426-4c1c-bcbc-61689d14796e"), "Design-time message 2", new PublisherMessage())
+                } as IEnumerable<StoredPublisherMessage>);
+            }
+
+            public Task<StoredPublisherMessage> Add(string displayName, PublisherMessage message)
+            {
+                throw new NotSupportedException();
+            }
+
+            public Task<StoredPublisherMessage> Update(Guid id, string displayName, PublisherMessage message)
+            {
+                throw new NotSupportedException();
+            }
+
+            public Task Delete(Guid id)
+            {
+                throw new NotSupportedException();
+            }
+        }
     }
 }

PettingZoo/UI/Tab/Publisher/PublisherViewStrings.Designer.cs

@@ -168,6 +168,24 @@ namespace PettingZoo.UI.Tab.Publisher {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Saved messages.
+        /// </summary>
+        public static string PanelTitleMessages {
+            get {
+                return ResourceManager.GetString("PanelTitleMessages", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Message published.
+        /// </summary>
+        public static string Published {
+            get {
+                return ResourceManager.GetString("Published", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Re: .
         /// </summary>
@@ -177,6 +195,15 @@ namespace PettingZoo.UI.Tab.Publisher {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to PettingZoo message (*.pubmsg.json)|*.pubmsg.json.
+        /// </summary>
+        public static string StoredMessagesExportImportFilter {
+            get {
+                return ResourceManager.GetString("StoredMessagesExportImportFilter", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Publish: {0}.
         /// </summary>
@@ -194,5 +221,50 @@ namespace PettingZoo.UI.Tab.Publisher {
                 return ResourceManager.GetString("TabTitleEmpty", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Delete.
+        /// </summary>
+        public static string ToolbarDelete {
+            get {
+                return ResourceManager.GetString("ToolbarDelete", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Export....
+        /// </summary>
+        public static string ToolbarExport {
+            get {
+                return ResourceManager.GetString("ToolbarExport", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Import....
+        /// </summary>
+        public static string ToolbarImport {
+            get {
+                return ResourceManager.GetString("ToolbarImport", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Save.
+        /// </summary>
+        public static string ToolbarSave {
+            get {
+                return ResourceManager.GetString("ToolbarSave", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Save as....
+        /// </summary>
+        public static string ToolbarSaveAs {
+            get {
+                return ResourceManager.GetString("ToolbarSaveAs", resourceCulture);
+            }
+        }
     }
 }

PettingZoo/UI/Tab/Publisher/PublisherViewStrings.resx

@@ -153,13 +153,37 @@
   <data name="OptionMessageTypeTapeti" xml:space="preserve">
     <value>Tapeti message</value>
   </data>
+  <data name="PanelTitleMessages" xml:space="preserve">
+    <value>Saved messages</value>
+  </data>
+  <data name="Published" xml:space="preserve">
+    <value>Message published</value>
+  </data>
   <data name="ReplyToCorrelationIdPrefix" xml:space="preserve">
     <value>Re: </value>
   </data>
+  <data name="StoredMessagesExportImportFilter" xml:space="preserve">
+    <value>PettingZoo message (*.pubmsg.json)|*.pubmsg.json</value>
+  </data>
   <data name="TabTitle" xml:space="preserve">
     <value>Publish: {0}</value>
   </data>
   <data name="TabTitleEmpty" xml:space="preserve">
     <value>Publish</value>
   </data>
+  <data name="ToolbarDelete" xml:space="preserve">
+    <value>Delete</value>
+  </data>
+  <data name="ToolbarExport" xml:space="preserve">
+    <value>Export...</value>
+  </data>
+  <data name="ToolbarImport" xml:space="preserve">
+    <value>Import...</value>
+  </data>
+  <data name="ToolbarSave" xml:space="preserve">
+    <value>Save</value>
+  </data>
+  <data name="ToolbarSaveAs" xml:space="preserve">
+    <value>Save as...</value>
+  </data>
 </root>

PettingZoo/UI/Tab/Publisher/RawPublisherView.xaml.cs

@@ -3,7 +3,6 @@ using System.Linq;
 using System.Windows;
 using System.Windows.Input;
 using System.Windows.Threading;
-using PettingZoo.Core.Macros;
 
 namespace PettingZoo.UI.Tab.Publisher
 {

PettingZoo/UI/Tab/Publisher/RawPublisherViewModel.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
@@ -7,6 +6,7 @@ using System.Text;
 using System.Windows;
 using System.Windows.Input;
 using PettingZoo.Core.Connection;
+using PettingZoo.Core.ExportImport.Publisher;
 using PettingZoo.Core.Macros;
 using PettingZoo.WPF.ViewModel;
 
@@ -37,10 +37,17 @@ namespace PettingZoo.UI.Tab.Publisher
 
 
 
+        public MessageDeliveryMode DeliveryMode
+        {
+            get => deliveryMode;
+            set => SetField(ref deliveryMode, value, otherPropertiesChanged: new[] { nameof(DeliveryModeIndex) });
+        }
+
+
         public int DeliveryModeIndex
         {
-            get => deliveryMode == MessageDeliveryMode.Persistent ? 1 : 0;
-            set => SetField(ref deliveryMode, value == 1 ? MessageDeliveryMode.Persistent : MessageDeliveryMode.NonPersistent);
+            get => DeliveryMode == MessageDeliveryMode.Persistent ? 1 : 0;
+            set => DeliveryMode = value == 1 ? MessageDeliveryMode.Persistent : MessageDeliveryMode.NonPersistent;
         }
 
 
@@ -127,7 +134,7 @@ namespace PettingZoo.UI.Tab.Publisher
         }
 
 
-        public ObservableCollection<Header> Headers { get; } = new();
+        public ObservableCollectionEx<Header> Headers { get; } = new();
 
 
         public ICommand PublishCommand => publishCommand;
@@ -194,6 +201,60 @@ namespace PettingZoo.UI.Tab.Publisher
         }
 
 
+        public RawPublisherMessage GetPublisherMessage()
+        {
+            return new RawPublisherMessage
+            {
+                DeliveryMode = DeliveryMode,
+                ContentType = ContentType,
+                CorrelationId = CorrelationId,
+                AppId = AppId,
+                ContentEncoding = ContentEncoding,
+                Expiration = Expiration,
+                MessageId = MessageId,
+                Priority = Priority,
+                Timestamp = Timestamp,
+                TypeProperty = TypeProperty,
+                UserId = UserId,
+                Payload = Payload,
+                EnableMacros = EnableMacros,
+
+                Headers = Headers.Where(h => !h.IsEmpty()).ToDictionary(h => h.Key, h => h.Value)
+            };
+        }
+
+
+        public void LoadPublisherMessage(RawPublisherMessage message)
+        {
+            DeliveryMode = message.DeliveryMode;
+            ContentType = message.ContentType ?? "";
+            CorrelationId = message.CorrelationId ?? "";
+            AppId = message.AppId ?? "";
+            ContentEncoding = message.ContentEncoding ?? "";
+            Expiration = message.Expiration ?? "";
+            MessageId = message.MessageId ?? "";
+            Priority = message.Priority ?? "";
+            Timestamp = message.Timestamp ?? "";
+            TypeProperty = message.TypeProperty ?? "";
+            UserId = message.UserId ?? "";
+            Payload = message.Payload ?? "";
+            EnableMacros = message.EnableMacros;
+
+            if (message.Headers != null)
+            {
+                Headers.ReplaceAll(message.Headers.Select(p => new Header
+                {
+                    Key = p.Key,
+                    Value = p.Value
+                }));
+            }
+            else
+                Headers.Clear();
+
+            AddHeader();
+        }
+
+
         private static bool AnyNotEmpty(params string?[] values)
         {
             return values.Any(s => !string.IsNullOrEmpty(s));

PettingZoo/UI/Tab/Publisher/StoredPublisherMessagesStrings.Designer.cs

@@ -0,0 +1,90 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace PettingZoo.UI.Tab.Publisher {
+    using System;
+    
+    
+    /// <summary>
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
+    /// </summary>
+    // This class was auto-generated by the StronglyTypedResourceBuilder
+    // class via a tool like ResGen or Visual Studio.
+    // To add or remove a member, edit your .ResX file then rerun ResGen
+    // with the /str option, or rebuild your VS project.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    internal class StoredPublisherMessagesStrings {
+        
+        private static global::System.Resources.ResourceManager resourceMan;
+        
+        private static global::System.Globalization.CultureInfo resourceCulture;
+        
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal StoredPublisherMessagesStrings() {
+        }
+        
+        /// <summary>
+        ///   Returns the cached ResourceManager instance used by this class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager {
+            get {
+                if (object.ReferenceEquals(resourceMan, null)) {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("PettingZoo.UI.Tab.Publisher.StoredPublisherMessagesStrings", typeof(StoredPublisherMessagesStrings).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+        
+        /// <summary>
+        ///   Overrides the current thread's CurrentUICulture property for all
+        ///   resource lookups using this strongly typed resource class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Globalization.CultureInfo Culture {
+            get {
+                return resourceCulture;
+            }
+            set {
+                resourceCulture = value;
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Do you want to delete the saved message &apos;{0}&apos;?.
+        /// </summary>
+        internal static string DeleteConfirmation {
+            get {
+                return ResourceManager.GetString("DeleteConfirmation", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Delete message.
+        /// </summary>
+        internal static string DeleteConfirmationTitle {
+            get {
+                return ResourceManager.GetString("DeleteConfirmationTitle", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Save as....
+        /// </summary>
+        internal static string DisplayNameDialogTitle {
+            get {
+                return ResourceManager.GetString("DisplayNameDialogTitle", resourceCulture);
+            }
+        }
+    }
+}

PettingZoo/UI/Tab/Publisher/StoredPublisherMessagesStrings.resx

@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <data name="DeleteConfirmation" xml:space="preserve">
+    <value>Do you want to delete the saved message '{0}'?</value>
+  </data>
+  <data name="DeleteConfirmationTitle" xml:space="preserve">
+    <value>Delete message</value>
+  </data>
+  <data name="DisplayNameDialogTitle" xml:space="preserve">
+    <value>Save as...</value>
+  </data>
+</root>

PettingZoo/UI/Tab/Publisher/StoredPublisherMessagesViewModel.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Threading.Tasks;
+using System.Windows;
+using PettingZoo.Core.ExportImport.Publisher;
+using PettingZoo.Core.Settings;
+using PettingZoo.WPF.ViewModel;
+
+namespace PettingZoo.UI.Tab.Publisher
+{
+    public class StoredPublisherMessagesViewModel
+    {
+        private readonly IPublisherMessagesRepository publisherMessagesRepository;
+
+
+        public ObservableCollectionEx<StoredPublisherMessage> StoredMessages { get; } = new();
+
+
+        public StoredPublisherMessagesViewModel(IPublisherMessagesRepository publisherMessagesRepository)
+        {
+            this.publisherMessagesRepository = publisherMessagesRepository;
+
+
+            Task.Run(async () =>
+            {
+                var messages = await publisherMessagesRepository.GetStored();
+
+                await Application.Current.Dispatcher.BeginInvoke(() =>
+                {
+                    StoredMessages.ReplaceAll(messages);
+                });
+            });
+        }
+
+
+        public void Save(StoredPublisherMessage overwriteMessage, PublisherMessage message, Action<StoredPublisherMessage> onSaved)
+        {
+            Task.Run(async () =>
+            {
+                var updatedMessage = await publisherMessagesRepository.Update(overwriteMessage.Id, overwriteMessage.DisplayName, message);
+
+                await Application.Current.Dispatcher.BeginInvoke(() =>
+                {
+                    var index = StoredMessages.IndexOf(overwriteMessage);
+                    if (index >= 0)
+                        StoredMessages[index] = updatedMessage;
+                    else
+                        // Should not occur, but might as well handle it gracefully
+                        StoredMessages.Add(updatedMessage);
+
+                    onSaved(updatedMessage);
+                });
+            });
+        }
+
+
+        public void SaveAs(PublisherMessage message, string? originalDisplayName, Action<StoredPublisherMessage> onSaved)
+        {
+            var displayName = originalDisplayName ?? "";
+            if (!InputDialog.Execute(ref displayName, StoredPublisherMessagesStrings.DisplayNameDialogTitle))
+                return;
+
+            Task.Run(async () =>
+            {
+                var storedMessage = await publisherMessagesRepository.Add(displayName, message);
+
+                await Application.Current.Dispatcher.BeginInvoke(() =>
+                {
+                    StoredMessages.Add(storedMessage);
+                    onSaved(storedMessage);
+                });
+            });
+        }
+
+
+        public void Delete(StoredPublisherMessage message, Action onDeleted)
+        {
+            if (MessageBox.Show(
+                    string.Format(StoredPublisherMessagesStrings.DeleteConfirmation, message.DisplayName),
+                    StoredPublisherMessagesStrings.DeleteConfirmationTitle,
+                    MessageBoxButton.YesNo,
+                    MessageBoxImage.Question) != MessageBoxResult.Yes)
+                return;
+
+            Task.Run(async () =>
+            {
+                await publisherMessagesRepository.Delete(message.Id);
+
+                await Application.Current.Dispatcher.BeginInvoke(() =>
+                {
+                    StoredMessages.Remove(message);
+                    onDeleted();
+                });
+            });
+        }
+    }
+}

PettingZoo/UI/Tab/Publisher/TapetiPublisherView.xaml.cs

@@ -1,6 +1,5 @@
 using System.Windows;
 using System.Windows.Controls;
-using PettingZoo.Core.Macros;
 
 namespace PettingZoo.UI.Tab.Publisher
 {

PettingZoo/UI/Tab/Publisher/TapetiPublisherViewModel.cs

@@ -3,6 +3,7 @@ using System.Text;
 using System.Windows;
 using System.Windows.Input;
 using PettingZoo.Core.Connection;
+using PettingZoo.Core.ExportImport.Publisher;
 using PettingZoo.Core.Generator;
 using PettingZoo.Core.Macros;
 using PettingZoo.Core.Validation;
@@ -132,6 +133,29 @@ namespace PettingZoo.UI.Tab.Publisher
         }
 
 
+        public TapetiPublisherMessage GetPublisherMessage()
+        {
+            return new TapetiPublisherMessage
+            {
+                CorrelationId = CorrelationId,
+                Payload = Payload,
+                EnableMacros = EnableMacros,
+                ClassName = ClassName,
+                AssemblyName = AssemblyName
+            };
+        }
+
+
+        public void LoadPublisherMessage(TapetiPublisherMessage message)
+        {
+            CorrelationId = message.CorrelationId ?? "";
+            Payload = message.Payload ?? "";
+            EnableMacros = message.EnableMacros;
+            ClassName = message.ClassName ?? "";
+            AssemblyName = message.AssemblyName ?? "";
+        }
+
+
         private void BrowseClassExecute()
         {
             exampleGenerator.Select(tabHostWindow, example =>

PettingZoo/UI/Tab/Subscriber/SubscriberView.xaml

@@ -8,6 +8,7 @@
              xmlns:svgc="http://sharpvectors.codeplex.com/svgc/"
              xmlns:avalonedit="http://icsharpcode.net/sharpdevelop/avalonedit"
              xmlns:connection="clr-namespace:PettingZoo.Core.Connection;assembly=PettingZoo.Core"
+             xmlns:controls="clr-namespace:PettingZoo.WPF.Controls;assembly=PettingZoo.WPF"
              mc:Ignorable="d" 
              d:DesignHeight="450" 
              d:DesignWidth="800"
@@ -36,8 +37,8 @@
             <ListBox.ItemsSource>
                 <CompositeCollection>
                     <CollectionContainer Collection="{Binding Source={StaticResource Messages}}" />
-                    <ListBoxItem HorizontalContentAlignment="Stretch" IsEnabled="False" IsHitTestVisible="False">
-                        <Grid Visibility="{Binding UnreadMessagesVisibility}">
+                    <ListBoxItem HorizontalContentAlignment="Stretch" IsEnabled="False" IsHitTestVisible="False" Visibility="{Binding UnreadMessagesVisibility}">
+                        <Grid>
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition SharedSizeGroup="DateTime" />
                                 <ColumnDefinition Width="Auto" />
@@ -50,6 +51,17 @@
                         </Grid>                    
                     </ListBoxItem>
                     <CollectionContainer Collection="{Binding Source={StaticResource UnreadMessages}}" />
+                    <ListBoxItem HorizontalContentAlignment="Stretch" IsEnabled="False" IsHitTestVisible="False" Visibility="{Binding StatusVisibility}">
+                        <Grid>
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition SharedSizeGroup="DateTime" />
+                                <ColumnDefinition Width="Auto" />
+                                <ColumnDefinition Width="*" />
+                            </Grid.ColumnDefinitions>
+
+                            <TextBlock Grid.Column="1" Text="{Binding StatusText}" HorizontalAlignment="Center" Background="{Binding Background, RelativeSource={RelativeSource AncestorType={x:Type ListBoxItem}}}" Foreground="{x:Static SystemColors.GrayTextBrush}" />
+                        </Grid>
+                    </ListBoxItem>
                 </CompositeCollection>
             </ListBox.ItemsSource>
             <ListBox.ItemTemplate>
@@ -82,14 +94,14 @@
                 <RowDefinition Height="Auto"/>
                 <RowDefinition Height="200"/>
             </Grid.RowDefinitions>
-            <ToolBar Grid.Column="0" Grid.Row="0" ToolBarTray.IsLocked="True" Margin="0,0,0,4" Background="Transparent" Loaded="Toolbar_Loaded">
+            <controls:AutoOverflowToolBar Grid.Column="0" Grid.Row="0" ToolBarTray.IsLocked="True" Margin="0,0,0,4" Background="Transparent">
                 <Button Command="{Binding CreatePublisherCommand}">
                     <StackPanel Orientation="Horizontal">
                         <Image Source="{svgc:SvgImage Source=/Images/Publish.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
                         <TextBlock Margin="3,0,0,0" Text="{x:Static res:SubscriberViewStrings.ContextPublish}" />
                     </StackPanel>
                 </Button>
-            </ToolBar>
+            </controls:AutoOverflowToolBar>
 
             <Border Grid.Column="0" Grid.Row="1" Style="{StaticResource SidePanel}">
                 <DockPanel>

PettingZoo/UI/Tab/Subscriber/SubscriberView.xaml.cs

@@ -1,6 +1,4 @@
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Media;
+using System.Windows.Media;
 using ICSharpCode.AvalonEdit.Highlighting;
 
 namespace PettingZoo.UI.Tab.Subscriber
@@ -35,17 +33,5 @@ namespace PettingZoo.UI.Tab.Subscriber
             if (!System.ComponentModel.DesignerProperties.GetIsInDesignMode(this))
                 Background = Brushes.Transparent;
         }
-
-        private void Toolbar_Loaded(object sender, RoutedEventArgs e)
-        {
-            // Hide arrow on the right side of the toolbar
-            var toolBar = sender as ToolBar;
-
-            if (toolBar?.Template.FindName("OverflowGrid", toolBar) is FrameworkElement overflowGrid)
-                overflowGrid.Visibility = Visibility.Collapsed;
-
-            if (toolBar?.Template.FindName("MainPanelBorder", toolBar) is FrameworkElement mainPanelBorder)
-                mainPanelBorder.Margin = new Thickness(0);
-        }
     }
 }

PettingZoo/UI/Tab/Subscriber/SubscriberViewModel.cs

@@ -9,7 +9,7 @@ using System.Windows;
 using System.Windows.Forms;
 using System.Windows.Input;
 using PettingZoo.Core.Connection;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 using PettingZoo.Core.Rendering;
 using PettingZoo.WPF.ProgressWindow;
 using PettingZoo.WPF.ViewModel;
@@ -25,7 +25,7 @@ namespace PettingZoo.UI.Tab.Subscriber
     {
         private readonly ILogger logger;
         private readonly ITabFactory tabFactory;
-        private readonly IConnection? connection;
+        private readonly IConnection connection;
         private readonly ISubscriber subscriber;
         private readonly IExportImportFormatProvider exportImportFormatProvider;
         private ReceivedMessageInfo? selectedMessage;
@@ -106,8 +106,14 @@ namespace PettingZoo.UI.Tab.Subscriber
         public Visibility ReplyTabVisibility => IsReplyTab ? Visibility.Visible : Visibility.Collapsed;
         // ReSharper restore UnusedMember.Global
 
+        private readonly Guid subscribeConnectionId;
+        private ConnectionStatus connectionStatus = ConnectionStatus.Connecting;
 
-        public SubscriberViewModel(ILogger logger, ITabFactory tabFactory, IConnection? connection, ISubscriber subscriber, IExportImportFormatProvider exportImportFormatProvider, bool isReplyTab)
+        public Visibility StatusVisibility => connectionStatus is ConnectionStatus.Connecting or ConnectionStatus.Disconnected or ConnectionStatus.Error ? Visibility.Visible : Visibility.Collapsed;
+        public string StatusText => connectionStatus == ConnectionStatus.Connecting ? SubscriberViewStrings.StatusConnecting : SubscriberViewStrings.StatusDisconnected;
+
+
+        public SubscriberViewModel(ILogger logger, ITabFactory tabFactory, IConnection connection, ISubscriber subscriber, IExportImportFormatProvider exportImportFormatProvider, bool isReplyTab)
         {
             IsReplyTab = isReplyTab;
 
@@ -133,6 +139,8 @@ namespace PettingZoo.UI.Tab.Subscriber
 
             createPublisherCommand = new DelegateCommand(CreatePublisherExecute, CreatePublisherCanExecute);
 
+            subscribeConnectionId = connection.ConnectionId;
+            connection.StatusChanged += ConnectionStatusChanged;
             subscriber.MessageReceived += SubscriberMessageReceived;
             subscriber.Start();
         }
@@ -141,11 +149,47 @@ namespace PettingZoo.UI.Tab.Subscriber
         public void Dispose()
         {
             GC.SuppressFinalize(this);
+            connection.StatusChanged -= ConnectionStatusChanged;
             newMessageTimer?.Dispose();
             subscriber.Dispose();
         }
 
 
+        private void ConnectionStatusChanged(object? sender, StatusChangedEventArgs e)
+        {
+            // If another connection has been made, this does not concern us
+            if (e.ConnectionId != subscribeConnectionId)
+                return;
+
+            // The subscriber will not reconnect, so after the first disconnect it's over for us
+            if (connectionStatus is ConnectionStatus.Disconnected)
+                return;
+
+            switch (e.Status)
+            {
+                case ConnectionStatus.Connecting:
+                case ConnectionStatus.Error:
+                    return;
+
+                case ConnectionStatus.Connected:
+                    connectionStatus = ConnectionStatus.Connected;
+                    break;
+
+                case ConnectionStatus.Disconnected:
+                default:
+                    connectionStatus = ConnectionStatus.Disconnected;
+                    break;
+            }
+
+            Application.Current.Dispatcher.BeginInvoke(() =>
+            {
+
+                RaisePropertyChanged(nameof(StatusVisibility));
+                RaisePropertyChanged(nameof(StatusText));
+            });
+        }
+
+
         private void ClearExecute()
         {
             Messages.Clear();
@@ -254,7 +298,7 @@ namespace PettingZoo.UI.Tab.Subscriber
 
         private void CreatePublisherExecute()
         {
-            if (connection == null)
+            if (connection.Status != ConnectionStatus.Connected)
                 return;
 
             tabFactory.CreatePublisherTab(connection, SelectedMessage);
@@ -263,7 +307,7 @@ namespace PettingZoo.UI.Tab.Subscriber
 
         private bool CreatePublisherCanExecute()
         {
-            return connection != null && SelectedMessage != null;
+            return SelectedMessage != null;
         }
 
 

PettingZoo/UI/Tab/Subscriber/SubscriberViewStrings.Designer.cs

@@ -194,5 +194,23 @@ namespace PettingZoo.UI.Tab.Subscriber {
                 return ResourceManager.GetString("ReplyTabTitle", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Connecting....
+        /// </summary>
+        public static string StatusConnecting {
+            get {
+                return ResourceManager.GetString("StatusConnecting", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Disconnected.
+        /// </summary>
+        public static string StatusDisconnected {
+            get {
+                return ResourceManager.GetString("StatusDisconnected", resourceCulture);
+            }
+        }
     }
 }

PettingZoo/UI/Tab/Subscriber/SubscriberViewStrings.resx

@@ -162,4 +162,10 @@
   <data name="ReplyTabTitle" xml:space="preserve">
     <value>Replies</value>
   </data>
+  <data name="StatusConnecting" xml:space="preserve">
+    <value>Connecting...</value>
+  </data>
+  <data name="StatusDisconnected" xml:space="preserve">
+    <value>Disconnected</value>
+  </data>
 </root>

PettingZoo/UI/Tab/Undocked/UndockedTabHostWindow.xaml

@@ -5,6 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:undocked="clr-namespace:PettingZoo.UI.Tab.Undocked"
         xmlns:svgc="http://sharpvectors.codeplex.com/svgc/"
+        xmlns:controls="clr-namespace:PettingZoo.WPF.Controls;assembly=PettingZoo.WPF"
         mc:Ignorable="d"
         d:DataContext="{d:DesignInstance undocked:DesignTimeUndockedTabHostViewModel, IsDesignTimeCreatable=True}"
         Title="{Binding Title}" 
@@ -12,7 +13,7 @@
         Width="800"
         WindowStyle="ThreeDBorderWindow">
     <DockPanel>
-        <ToolBar DockPanel.Dock="Top" ToolBarTray.IsLocked="True" Loaded="Toolbar_Loaded">
+        <controls:AutoOverflowToolBar DockPanel.Dock="Top" ToolBarTray.IsLocked="True">
             <Button Command="{Binding DockCommand}">
                 <StackPanel Orientation="Horizontal">
                     <Image Source="{svgc:SvgImage Source=/Images/Dock.svg, AppName=PettingZoo}" Width="16" Height="16" Style="{StaticResource ToolbarIcon}"/>
@@ -37,7 +38,7 @@
                     </DataTemplate>
                 </ItemsControl.ItemTemplate>
             </ItemsControl>
-        </ToolBar>
+        </controls:AutoOverflowToolBar>
 
         <ContentControl Content="{Binding Content}" />
     </DockPanel>

PettingZoo/UI/Tab/Undocked/UndockedTabHostWindow.xaml.cs

@@ -1,7 +1,4 @@
-using System.Windows;
-using System.Windows.Controls;
-
-namespace PettingZoo.UI.Tab.Undocked
+namespace PettingZoo.UI.Tab.Undocked
 {
     /// <summary>
     /// Interaction logic for UndockedTabHostWindow.xaml
@@ -41,17 +38,5 @@ namespace PettingZoo.UI.Tab.Undocked
                 viewModel.Deactivate();
             };
         }
-
-        private void Toolbar_Loaded(object sender, RoutedEventArgs e)
-        {
-            // Hide arrow on the right side of the toolbar
-            var toolBar = sender as ToolBar;
-
-            if (toolBar?.Template.FindName("OverflowGrid", toolBar) is FrameworkElement overflowGrid)
-                overflowGrid.Visibility = Visibility.Collapsed;
-
-            if (toolBar?.Template.FindName("MainPanelBorder", toolBar) is FrameworkElement mainPanelBorder)
-                mainPanelBorder.Margin = new Thickness(0);
-        }
     }
 }

PettingZoo/UI/Tab/ViewTabFactory.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using PettingZoo.Core.Connection;
-using PettingZoo.Core.ExportImport;
+using PettingZoo.Core.ExportImport.Subscriber;
 using PettingZoo.Core.Generator;
 using PettingZoo.Core.Macros;
 using PettingZoo.UI.Tab.Publisher;
@@ -17,6 +17,7 @@ namespace PettingZoo.UI.Tab
         private readonly IExampleGenerator exampleGenerator;
         private readonly IExportImportFormatProvider exportImportFormatProvider;
         private readonly IPayloadMacroProcessor payloadMacroProcessor;
+        private readonly StoredPublisherMessagesViewModel storedPublisherMessagesViewModel;
 
         // Not the cleanest way, but this factory itself can't be singleton without (justifyable) upsetting SimpleInjector
         private static ISubscriber? replySubscriber;
@@ -24,17 +25,18 @@ namespace PettingZoo.UI.Tab
 
 
         public ViewTabFactory(ILogger logger, ITabHostProvider tabHostProvider, IExampleGenerator exampleGenerator, IExportImportFormatProvider exportImportFormatProvider,
-            IPayloadMacroProcessor payloadMacroProcessor)
+            IPayloadMacroProcessor payloadMacroProcessor, StoredPublisherMessagesViewModel storedPublisherMessagesViewModel)
         {
             this.logger = logger;
             this.tabHostProvider = tabHostProvider;
             this.exampleGenerator = exampleGenerator;
             this.exportImportFormatProvider = exportImportFormatProvider;
             this.payloadMacroProcessor = payloadMacroProcessor;
+            this.storedPublisherMessagesViewModel = storedPublisherMessagesViewModel;
         }
 
 
-        public void CreateSubscriberTab(IConnection? connection, ISubscriber subscriber)
+        public void CreateSubscriberTab(IConnection connection, ISubscriber subscriber)
         {
             InternalCreateSubscriberTab(connection, subscriber, false);
         }
@@ -63,7 +65,7 @@ namespace PettingZoo.UI.Tab
 
         public void CreatePublisherTab(IConnection connection, ReceivedMessageInfo? fromReceivedMessage = null)
         {
-            var viewModel = new PublisherViewModel(this, connection, exampleGenerator, payloadMacroProcessor, fromReceivedMessage);
+            var viewModel = new PublisherViewModel(this, connection, exampleGenerator, payloadMacroProcessor, storedPublisherMessagesViewModel, fromReceivedMessage);
             var tab = new ViewTab<PublisherView, PublisherViewModel>(
                 new PublisherView(viewModel),
                 viewModel,
@@ -73,7 +75,7 @@ namespace PettingZoo.UI.Tab
         }
 
 
-        private ITab InternalCreateSubscriberTab(IConnection? connection, ISubscriber subscriber, bool isReplyTab)
+        private ITab InternalCreateSubscriberTab(IConnection connection, ISubscriber subscriber, bool isReplyTab)
         {
             var viewModel = new SubscriberViewModel(logger, this, connection, subscriber, exportImportFormatProvider, isReplyTab);
             var tab = new ViewTab<SubscriberView, SubscriberViewModel>(

appveyor.yml

@@ -2,7 +2,7 @@ image: Visual Studio 2022
 
 
 install:
-  - choco install gitversion.portable -pre -y
+  - choco install gitversion.portable -pre -y --version 5.12.0
 
 before_build:
   - nuget restore
@@ -31,7 +31,7 @@ configuration:
 deploy:
   - provider: GitHub
     auth_token:
-      secure: dWOConKg3VTPvd9DmWOOKiX1SJCalaqKInuk9GlKQOZX2s+Bia49J7q+AHO8wFj7
+      secure: l7meLHe4l/JZh+J0Gfd+Z+fMviSg3FDz4mIjp+S+PGdPgkpcc45t8Ae3EP2+dTGJkTvhSKNZB5Hmc76DOpfNKfrIQdBlQLDrQVS1nZRunjqL0klHVFRKqvwyH0DK5GK3
     artifact: /PettingZoo-.*\.zip/
     draft: false
     prerelease: false