Implement serialization of Settings and SettingsRepository.

- FIX: Stile werden jetzt gespeichert.

Tests/Controller/SettingsRepositoryTest.cs

@@ -27,7 +27,7 @@ namespace Tests.Controller
     [TestFixture]
     class SettingsRepositoryTest
     {
-        SettingsRepository _savedSettings;
+        string _savedSettings;
 
         [SetUp]
         public void SetUp()

Tests/Controller/SettingsTest.cs

@@ -22,6 +22,7 @@ using System.Text;
 using NUnit.Framework;
 using zaaReloaded2.Controller;
 using zaaReloaded2.Controller.Elements;
+using System.IO;
 
 namespace Tests.Controller
 {
@@ -49,5 +50,21 @@ namespace Tests.Controller
                 ((Items)clone.Elements[1]).Content,
                 "Items content");
         }
+
+        [Test]
+        public void PersistSettings()
+        {
+            string name = "hello world";
+            Settings persisting = new Settings(name, new List<ElementBase>() { new Items() });
+            persisting.ReferenceStyle = zaaReloaded2.Formatter.ReferenceStyle.IfSpecialItem;
+            MemoryStream s = new MemoryStream();
+            persisting.Persist(s);
+            s.Position = 0;
+            Settings retrieved = Settings.Unpersist(s);
+
+            Assert.AreEqual(persisting.Name, retrieved.Name, "Name");
+            Assert.AreEqual(persisting.ReferenceStyle, retrieved.ReferenceStyle, "ReferenceStyle");
+
+        }
     }
 }

Tests/SerializationTest.cs

@@ -0,0 +1,169 @@
+/* SelectFirstDayTest.cs
+ * part of zaaReloaded2
+ * 
+ * Copyright 2015 Daniel Kraus
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Xml.Serialization;
+using zaaReloaded2.Controller.Elements;
+using NUnit.Framework;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Runtime.Serialization.Formatters.Soap;
+using zaaReloaded2.Controller;
+
+namespace Tests.Controller
+{
+    [TestFixture]
+    class SerializationTest
+    {
+        [Test]
+        public void SerializeControlElement()
+        {
+            SelectFirstDay element = new SelectFirstDay(
+                new List<FormatElementBase>()
+                {
+                    new Items("hello"),
+                    new Items("world")
+                }
+            );
+            MemoryStream stream = new MemoryStream();
+            // XmlSerializer does not work with interface properties...
+            // XmlSerializer serializer = new XmlSerializer(typeof(SelectFirstDay));
+            // BinaryFormatter serializer = new BinaryFormatter();
+            SoapFormatter serializer = new SoapFormatter();
+            serializer.Serialize(stream, element);
+            stream.Position = 0;
+            StreamReader sr = new StreamReader(stream);
+            Console.WriteLine(sr.ReadToEnd());
+            stream.Position = 0;
+            SelectFirstDay deserialized = serializer.Deserialize(stream) as SelectFirstDay;
+            Assert.IsNotNull(deserialized);
+            Assert.AreEqual(element.Children.Count, deserialized.Children.Count);
+            Assert.AreEqual(element.Children[0].Content, deserialized.Children[0].Content);
+            Assert.AreEqual(element.Children[1].Content, deserialized.Children[1].Content);
+        }
+
+        [Test]
+        public void SerializeFormatElement()
+        {
+            string testString = "Hello World";
+            CustomText element = new CustomText();
+            element.Content = testString;
+            MemoryStream stream = new MemoryStream();
+            SoapFormatter serializer = new SoapFormatter();
+            serializer.Serialize(stream, element);
+            stream.Position = 0;
+            CustomText deserialized = serializer.Deserialize(stream) as CustomText;
+            Assert.IsNotNull(deserialized);
+            Assert.AreEqual(element.Content, deserialized.Content);
+        }
+
+        [Test]
+        public void SerializeSettings()
+        {
+            Settings settings = CreateTestSettings1();
+            MemoryStream stream = new MemoryStream();
+            SoapFormatter serializer = new SoapFormatter();
+            serializer.Serialize(stream, settings);
+            stream.Position = 0;
+            Settings deserialized = serializer.Deserialize(stream) as Settings;
+            Assert.IsNotNull(deserialized);
+            Assert.AreEqual(settings.Name, deserialized.Name);
+            Assert.AreEqual(settings.ReferenceStyle, deserialized.ReferenceStyle);
+            Assert.AreEqual(settings.Elements.Count, deserialized.Elements.Count);
+            Assert.AreEqual(settings.Elements[0].GetType(), deserialized.Elements[0].GetType());
+            Assert.AreEqual(settings.Elements[1].GetType(), deserialized.Elements[1].GetType());
+        }
+
+        [Test]
+        public void SerializeSettingsRepository()
+        {
+            SettingsRepository repository = new SettingsRepository();
+            repository.SettingsList.Add(CreateTestSettings1());
+            repository.SettingsList.Add(CreateTestSettings2());
+            MemoryStream stream = new MemoryStream();
+            SoapFormatter serializer = new SoapFormatter();
+            serializer.Serialize(stream, repository);
+            stream.Position = 0;
+            SettingsRepository deserialized = serializer.Deserialize(stream) as SettingsRepository;
+            Assert.IsNotNull(deserialized);
+            Assert.AreEqual(repository.SettingsList.Count, deserialized.SettingsList.Count);
+            Assert.AreEqual(
+                repository.SettingsList[1].Elements.Count,
+                deserialized.SettingsList[1].Elements.Count
+                );
+            Assert.AreEqual(
+                repository.SettingsList[0].Name,
+                deserialized.SettingsList[0].Name
+                );
+            Assert.AreEqual(
+                repository.SettingsList[0].ReferenceStyle,
+                deserialized.SettingsList[0].ReferenceStyle
+                );
+        }
+
+        Settings CreateTestSettings1()
+        {
+            string testName = "test name...";
+            string testString = "Hello World";
+            SelectFirstDay controlElement = new SelectFirstDay(
+                new List<FormatElementBase>()
+                {
+                    new Items("hello"),
+                    new Items("world")
+                }
+            );
+            CustomText formatElement = new CustomText();
+            formatElement.Content = testString;
+            Settings settings = new Settings(testName, new List<ElementBase>()
+                { 
+                    controlElement,
+                    formatElement
+                }
+            );
+            settings.ReferenceStyle = zaaReloaded2.Formatter.ReferenceStyle.IfSpecialItem;
+            return settings;
+        }
+
+        Settings CreateTestSettings2()
+        {
+            string testName = "another test name";
+            SelectFirstDay controlElement1 = new SelectFirstDay(
+                new List<FormatElementBase>()
+                {
+                    new CustomText(),
+                }
+            );
+            SelectLastDay controlElement2 = new SelectLastDay(
+                new List<FormatElementBase>()
+                {
+                    new Items("Items content"),
+                }
+            );
+            Settings settings = new Settings(testName, new List<ElementBase>()
+                { 
+                    controlElement1,
+                    controlElement2
+                }
+            );
+            settings.ReferenceStyle = zaaReloaded2.Formatter.ReferenceStyle.IfSpecialOrAbnormal;
+            return settings;
+        }
+    }
+}

Tests/Tests.csproj

@@ -58,11 +58,13 @@
     <Reference Include="System.Core">
       <RequiredTargetFramework>3.5</RequiredTargetFramework>
     </Reference>
+    <Reference Include="System.Runtime.Serialization.Formatters.Soap" />
     <Reference Include="System.Windows.Interactivity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Expression.Blend.Sdk.1.0.2\lib\net40-client\System.Windows.Interactivity.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Xaml" />
+    <Reference Include="System.XML" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <Choose>
@@ -78,6 +80,7 @@
     </Otherwise>
   </Choose>
   <ItemGroup>
+    <Compile Include="SerializationTest.cs" />
     <Compile Include="Controller\SettingsRepositoryTest.cs" />
     <Compile Include="Controller\SettingsTest.cs" />
     <Compile Include="Formatter\DocumentWriterTest.cs" />

zaaReloaded2/Controller/Elements/ControlElementBase.cs

@@ -1,4 +1,5 @@
-/* ControlElementBase.cs
+using System;
+/* ControlElementBase.cs
  * part of zaaReloaded2
  * 
  * Copyright 2015 Daniel Kraus
@@ -17,6 +18,7 @@
  */
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 
 namespace zaaReloaded2.Controller.Elements
 {
@@ -24,9 +26,10 @@ namespace zaaReloaded2.Controller.Elements
     /// Base class for control elements that control e.g. the working
     /// set of time points in a Formatter object.
     /// </summary>
-    public abstract class ControlElementBase : ElementBase
+    [Serializable]
+    public abstract class ControlElementBase : ElementBase, ISerializable
     {
-        #region Propertis
+        #region Properties
 
         /// <summary>
         /// Gets a list of child elements, all of which must be derived
@@ -58,6 +61,43 @@ namespace zaaReloaded2.Controller.Elements
 
         #endregion
 
+        #region Serialization
+    
+        /// <summary>
+        /// Deserialization constructor.
+        /// </summary>
+        protected ControlElementBase(SerializationInfo info, StreamingContext context)
+        {
+            int version = info.GetInt32("Version");
+            int childrenCount = info.GetInt32("ChildrenCount");
+            Children = new List<FormatElementBase>();
+            for (int i = 0; i < childrenCount; i++)
+            {
+                Type typeOfChild = info.GetValue(SerializedChildName(i, "Type"), typeof(Type)) as Type;
+                Children.Add(info.GetValue(SerializedChildName(i, "Object"), typeOfChild) as FormatElementBase);
+            }
+        }
+
+        public void GetObjectData(SerializationInfo info, StreamingContext context)
+        {
+            info.AddValue("Version", Properties.Settings.Default.SerializationVersion);
+            info.AddValue("ChildrenCount", Children.Count);
+            int i = 0;
+            foreach (FormatElementBase child in Children)
+            {
+                info.AddValue(SerializedChildName(i, "Type"), child.GetType());
+                info.AddValue(SerializedChildName(i, "Object"), child);
+                i++;
+            }
+        }
+
+        private string SerializedChildName(int index, string info)
+        {
+            return String.Format("Child{0}{1}", index, info);
+        }
+
+        #endregion
+
         #region Protected methods
 
         /// <summary>

zaaReloaded2/Controller/Elements/CustomText.cs

@@ -18,6 +18,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 
 namespace zaaReloaded2.Controller.Elements
@@ -25,7 +26,8 @@ namespace zaaReloaded2.Controller.Elements
     /// <summary>
     /// Controller element that writes arbitrary text to the document.
     /// </summary>
-    class CustomText : FormatElementBase
+    [Serializable]
+    public class CustomText : FormatElementBase, ISerializable
     {
         public override string Label
         {
@@ -43,5 +45,20 @@ namespace zaaReloaded2.Controller.Elements
             clone.Content = Content;
             return clone;
         }
+
+        #region Constructors
+
+        public CustomText () { }
+    
+        /// <summary>
+        /// Deserialization constructor.
+        /// </summary>
+        protected CustomText(SerializationInfo info, StreamingContext context)
+        {
+            int version = info.GetInt32("Version");
+            Content = info.GetString("Content");
+        }
+
+        #endregion
     }
 }

zaaReloaded2/Controller/Elements/ElementBase.cs

@@ -21,13 +21,13 @@ using System.Linq;
 using System.Text;
 using Microsoft.Office.Interop.Word;
 using zaaReloaded2.LabModel;
+using System.Runtime.Serialization;
 
 namespace zaaReloaded2.Controller.Elements
 {
     /// <summary>
     /// Base class for formatting elements.
     /// </summary>
-    [Serializable]
     public abstract class ElementBase : ICloneable
     {
         /// <summary>

zaaReloaded2/Controller/Elements/FormatElementBase.cs

@@ -16,12 +16,14 @@
  * limitations under the License.
  */
 
+using System;
+using System.Runtime.Serialization;
 namespace zaaReloaded2.Controller.Elements
 {
     /// <summary>
     /// Base class for elements that perform actual formatting.
     /// </summary>
-    public abstract class FormatElementBase : ElementBase
+    public abstract class FormatElementBase : ElementBase, ISerializable
     {
         /// <summary>
         /// Gets or sets the content of this format element.
@@ -41,5 +43,15 @@ namespace zaaReloaded2.Controller.Elements
         protected virtual void OnContentChanged() {}
 
         private string _content;
+        
+        #region Serialization
+
+        public virtual void GetObjectData(SerializationInfo info, StreamingContext context)
+        {
+            info.AddValue("Version", Properties.Settings.Default.SerializationVersion);
+            info.AddValue("Content", Content);
+        }
+
+        #endregion
     }
 }

zaaReloaded2/Controller/Elements/Items.cs

@@ -23,6 +23,7 @@ using System.Diagnostics;
 using Microsoft.Office.Interop.Word;
 using zaaReloaded2.LabModel;
 using zaaReloaded2.Formatter;
+using System.Runtime.Serialization;
 
 namespace zaaReloaded2.Controller.Elements
 {
@@ -31,7 +32,7 @@ namespace zaaReloaded2.Controller.Elements
     /// to a Word document.
     /// </summary>
     [Serializable]
-    class Items : CustomText
+    public class Items : CustomText
     {
         #region ElementBase implementation
 
@@ -93,6 +94,13 @@ namespace zaaReloaded2.Controller.Elements
             Content = content;
         }
 
+        /// <summary>
+        /// Deserialization constructor.
+        /// </summary>
+        protected Items(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        { }
+
         #endregion
 
         #region Private methods

zaaReloaded2/Controller/Elements/NextColumn.cs

@@ -18,6 +18,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 
 namespace zaaReloaded2.Controller.Elements
@@ -26,7 +27,8 @@ namespace zaaReloaded2.Controller.Elements
     /// Format element that causes a Formatter object to move the
     /// insertion point to the next colum in a layout table.
     /// </summary>
-    class NextColumn : ControlElementBase
+    [Serializable]
+    public class NextColumn : ControlElementBase, ISerializable
     {
         public override string Label
         {
@@ -50,5 +52,18 @@ namespace zaaReloaded2.Controller.Elements
         {
             return new NextColumn();
         }
+
+        #region Constructors
+
+        public NextColumn() : base() { }
+
+        /// <summary>
+        /// Deserialization constructor.
+        /// </summary>
+        protected NextColumn(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        { }
+
+        #endregion
     }
 }

zaaReloaded2/Controller/Elements/SelectEachDay.cs

@@ -18,11 +18,13 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 
 namespace zaaReloaded2.Controller.Elements
 {
-    class SelectEachDay : ControlElementBase
+    [Serializable]
+    public class SelectEachDay : ControlElementBase
     {
         public override string Label
         {
@@ -34,6 +36,13 @@ namespace zaaReloaded2.Controller.Elements
             formatter.ProcessEachDay(this);
         }
 
+        protected override ElementBase CreateInstance()
+        {
+            return new SelectEachDay(CloneChildren());
+        }
+
+        #region Constructors
+        
         public SelectEachDay() : base() { }
 
         public SelectEachDay(FormatElementBase formatElement)
@@ -44,9 +53,13 @@ namespace zaaReloaded2.Controller.Elements
             : base(formatElements)
         { }
 
-        protected override ElementBase CreateInstance()
+        /// <summary>
-        {
+        /// Deserialization constructor.
-            return new SelectEachDay(CloneChildren());
+        /// </summary>
-        }
+        protected SelectEachDay(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        { }
+
+        #endregion
     }
 }

zaaReloaded2/Controller/Elements/SelectFirstDay.cs

@@ -18,6 +18,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 
 namespace zaaReloaded2.Controller.Elements
@@ -26,7 +27,8 @@ namespace zaaReloaded2.Controller.Elements
     /// Selects the time points of the first day in a given Formatter
     /// object.
     /// </summary>
-    class SelectFirstDay : ControlElementBase
+    [Serializable]
+    public class SelectFirstDay : ControlElementBase, ISerializable
     {
         public override string Label
         {
@@ -38,6 +40,13 @@ namespace zaaReloaded2.Controller.Elements
             formatter.ProcessFirstDay(this);
         }
 
+        protected override ElementBase CreateInstance()
+        {
+            return new SelectFirstDay(CloneChildren());
+        }
+
+        #region Constructors
+
         public SelectFirstDay() : base() { }
 
         public SelectFirstDay(FormatElementBase formatElement)
@@ -48,9 +57,13 @@ namespace zaaReloaded2.Controller.Elements
             : base(formatElements)
         { }
 
-        protected override ElementBase CreateInstance()
+        /// <summary>
-        {
+        /// Deserialization constructor.
-            return new SelectFirstDay(CloneChildren());
+        /// </summary>
-        }
+        protected SelectFirstDay(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        { }
+
+        #endregion
     }
 }

zaaReloaded2/Controller/Elements/SelectLastDay.cs

@@ -19,6 +19,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 
 namespace zaaReloaded2.Controller.Elements
@@ -27,7 +28,8 @@ namespace zaaReloaded2.Controller.Elements
     /// Selects the time points of the last day in a given Formatter
     /// object.
     /// </summary>
-    class SelectLastDay : ControlElementBase
+    [Serializable]
+    public class SelectLastDay : ControlElementBase, ISerializable
     {
         public override string Label
         {
@@ -39,6 +41,13 @@ namespace zaaReloaded2.Controller.Elements
             formatter.ProcessLastDay(this);
         }
 
+        protected override ElementBase CreateInstance()
+        {
+            return new SelectLastDay(CloneChildren());
+        }
+
+        #region Constructors
+
         public SelectLastDay() : base() { }
 
         public SelectLastDay(FormatElementBase formatElement)
@@ -49,9 +58,13 @@ namespace zaaReloaded2.Controller.Elements
             : base(formatElements)
         { }
 
-        protected override ElementBase CreateInstance()
+        /// <summary>
-        {
+        /// Deserialization constructor.
-            return new SelectLastDay(CloneChildren());
+        /// </summary>
-        }
+        protected SelectLastDay(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        { }
+
+        #endregion
     }
 }

zaaReloaded2/Controller/Elements/TwoColumns.cs

@@ -18,6 +18,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 
 namespace zaaReloaded2.Controller.Elements
@@ -26,7 +27,8 @@ namespace zaaReloaded2.Controller.Elements
     /// Format element that causes a Formatter object to insert a table with
     /// two columns and one row into the documents.
     /// </summary>
-    class TwoColumns : ControlElementBase
+    [Serializable]
+    public class TwoColumns : ControlElementBase, ISerializable
     {
         public override string Label
         {
@@ -50,5 +52,18 @@ namespace zaaReloaded2.Controller.Elements
         {
             return new TwoColumns();
         }
+
+        #region Constructors
+
+        public TwoColumns() : base() { }
+
+        /// <summary>
+        /// Deserialization constructor.
+        /// </summary>
+        protected TwoColumns(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        { }
+
+        #endregion
 }
 }

zaaReloaded2/Controller/Settings.cs

@@ -21,6 +21,9 @@ using System.Linq;
 using System.Text;
 using zaaReloaded2.Formatter;
 using zaaReloaded2.Controller.Elements;
+using System.IO;
+using System.Text.RegularExpressions;
+using System.Runtime.Serialization;
 
 namespace zaaReloaded2.Controller
 {
@@ -28,8 +31,43 @@ namespace zaaReloaded2.Controller
     /// Holds settings related to controlling laboratory output.
     /// </summary>
     [Serializable]
-    public class Settings : ICloneable
+    public class Settings : ICloneable, ISerializable
     {
+        #region Persistence
+
+        /// <summary>
+        /// Custom serialization method that writes this settings
+        /// to a human-readable text file.
+        /// </summary>
+        /// <param name="stream"></param>
+        public void Persist(Stream stream)
+        {
+            StreamWriter w = new StreamWriter(stream);
+            w.WriteLine(String.Format("[{0}]", Name));
+
+            w.WriteLine(ReferenceStyle.ToString());
+            w.Flush();
+        }
+
+        public static Settings Unpersist(Stream stream)
+        {
+            StreamReader r = new StreamReader(stream);
+            string line = r.ReadLine();
+            Match m = _persistenceHeaderRegex.Match(line);
+            if (!m.Success)
+                throw new InvalidDataException("Settings header line does not match expected format.");
+
+            Settings settings = new Settings();
+            settings.Name = m.Groups["name"].Value;
+
+            line = r.ReadLine();
+            settings.ReferenceStyle = (ReferenceStyle)Enum.Parse(typeof(ReferenceStyle), line);
+
+            return settings;
+        }
+
+        #endregion
+
         #region Properties
 
         /// <summary>
@@ -94,6 +132,39 @@ namespace zaaReloaded2.Controller
             }
         }
 
+        /// <summary>
+        /// Creates a new Settings object with an initial
+        /// set of elements, a name, and a unique ID.
+        /// </summary>
+        /// <param name="initialElements">Set of ElementBase
+        /// object (or derived ones).</param>
+        /// <param name="name">Name of these settings.</param>
+        /// <param name="Uid">Unique ID for this Settings object.</param>
+        public Settings(string name, IList<ElementBase> initialElements, Guid uid)
+            : this(name, initialElements)
+        {
+            Uid = uid;
+        }
+
+        /// <summary>
+        /// Deserialization constructor.
+        /// </summary>
+        protected Settings(SerializationInfo info, StreamingContext context)
+        {
+            int version = info.GetInt32("Version");
+            Uid = (Guid)info.GetValue("Uid", typeof(Guid));
+            Name = info.GetString("Name");
+            ReferenceStyle = (ReferenceStyle)info.GetValue("ReferenceStyle", typeof(ReferenceStyle));
+            int elementsCount = info.GetInt32("ElementsCount");
+            Elements = new List<ElementBase>();
+            for (int i = 0; i < elementsCount; i++)
+            {
+                Type type = info.GetValue(SerializationElementName(i, "Type"), typeof(Type)) as Type;
+                ElementBase element = info.GetValue(SerializationElementName(i, "Object"), type) as ElementBase;
+                Elements.Add(element);
+            }
+        }   
+
         #endregion
 
         #region Public methods
@@ -122,5 +193,37 @@ namespace zaaReloaded2.Controller
         }
 
         #endregion
+
+        #region Implementation of ISerializable
+
+        public void GetObjectData(SerializationInfo info, StreamingContext context)
+        {
+            info.AddValue("Version", Properties.Settings.Default.SerializationVersion);
+            info.AddValue("Uid", Uid);
+            info.AddValue("Name", Name);
+            info.AddValue("ReferenceStyle", ReferenceStyle);
+            info.AddValue("ElementsCount", Elements.Count);
+            int i = 0;
+            foreach (ElementBase e in Elements)
+            {
+                info.AddValue(SerializationElementName(i, "Type"), e.GetType());
+                info.AddValue(SerializationElementName(i, "Object"), e);
+                i++;
+            }
+        }
+
+        string SerializationElementName(int index, string info)
+        {
+            return String.Format("Element{0}{1}", index, info);
+        }
+
+        #endregion
+
+        #region Fields
+
+        // Defines header lines for the persistence file: "[My name]" and so on.
+        static readonly Regex _persistenceHeaderRegex = new Regex(@"^\[(?<name>.+?)]$");
+
+        #endregion
     }
 }

zaaReloaded2/Controller/SettingsRepository.cs

@@ -18,10 +18,15 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.Configuration;
+using System.IO;
 using System.Linq;
 using System.Text;
+using System.Xml.Serialization;
+using System.Reflection;
 using zaaReloaded2.Controller.Elements;
+using System.Runtime.Serialization.Formatters.Soap;
+using System.Web;
+using System.Runtime.Serialization;
 
 namespace zaaReloaded2.Controller
 {
@@ -35,30 +40,45 @@ namespace zaaReloaded2.Controller
     /// different from zaaReloaded's Settings.
     /// </remarks>
     [Serializable]
-    public class SettingsRepository : ApplicationSettingsBase
+    public class SettingsRepository : ISerializable
     {
-        #region Persistence
+        #region Properties persistence
 
         public static SettingsRepository Load()
         {
-            return
+            string s = Properties.Settings.Default.SettingsRepository;
-                zaaReloaded2.Properties.Settings.Default.SettingsRepository ??
+            if (String.IsNullOrEmpty(s))
-                new SettingsRepository();
+            {
+                return null;
+            }
+            else
+            {
+                MemoryStream stream = new MemoryStream();
+                string encoded = Properties.Settings.Default.SettingsRepository;
+                byte[] bytes = Convert.FromBase64String(encoded);
+                stream.Write(bytes, 0, bytes.Length);
+                stream.Position = 0;
+                SoapFormatter serializer = new SoapFormatter();
+                return serializer.Deserialize(stream) as SettingsRepository;
+            }
         }
 
         public void Store()
         {
-            zaaReloaded2.Properties.Settings.Default.SettingsRepository = this;
+            MemoryStream stream = new MemoryStream();
-            zaaReloaded2.Properties.Settings.Default.Save();
+            SoapFormatter serializer = new SoapFormatter();
+            serializer.Serialize(stream, this);
+            stream.Position = 0;
+            string encoded = Convert.ToBase64String(stream.ToArray());
+            Properties.Settings.Default.SettingsRepository =  encoded;
+            Properties.Settings.Default.Save();
         }
 
         #endregion
 
         #region Properties
 
-        [UserScopedSetting()]
+        public IList<Settings> SettingsList { get; protected set; }
-        [SettingsSerializeAs(SettingsSerializeAs.Xml)]
-        public IList<Settings> SettingsList { get; private set; }
 
         #endregion
 
@@ -76,6 +96,41 @@ namespace zaaReloaded2.Controller
 
         #endregion
 
+        #region Serialization
+
+        protected SettingsRepository(SerializationInfo info, StreamingContext context)
+        {
+            int version = info.GetInt32("Version");
+            int settingsCount = info.GetInt32("SettingsCount");
+            SettingsList = new List<Settings>();
+            for (int i = 0; i < settingsCount; i++)
+            {
+                Type type = info.GetValue(SerializationSettingsName(i, "Type"), typeof(Type)) as Type;
+                Settings s = info.GetValue(SerializationSettingsName(i, "Object"), typeof(Settings)) as Settings;
+                SettingsList.Add(s);
+            }
+        }
+
+        public void GetObjectData(SerializationInfo info, StreamingContext context)
+        {
+            info.AddValue("Version", Properties.Settings.Default.SerializationVersion);
+            info.AddValue("SettingsCount", SettingsList.Count);
+            int i = 0;
+            foreach (Settings s in SettingsList)
+            {
+                info.AddValue(SerializationSettingsName(i, "Type"), s.GetType());
+                info.AddValue(SerializationSettingsName(i, "Object"), s);
+                i++;
+            }
+        }
+
+        string SerializationSettingsName(int index, string info)
+        {
+            return String.Format("Settings{0}{1}", index, info);
+        }
+
+        #endregion
+
         #region Public methods
 
         /// <summary>
@@ -90,6 +145,27 @@ namespace zaaReloaded2.Controller
             return SettingsList.FirstOrDefault(s => s.Uid == uid);
         }
 
+        /// <summary>
+        /// Imports one Settings object by deserialization
+        /// from a stream.
+        /// </summary>
+        /// <param name="s">Stream to read from.</param>
+        /// <returns>True if the import was successful.</returns>
+        bool Import(Stream s)
+        {
+            XmlSerializer ser = new XmlSerializer(typeof(Settings));
+            Settings settings = ser.Deserialize(s) as Settings;
+            if (settings != null)
+            {
+                SettingsList.Add(settings);
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+
         #endregion
 
         #region Private methods
@@ -132,7 +208,8 @@ namespace zaaReloaded2.Controller
                         new SelectFirstDay(defaultItems),
                         new NextColumn(),
                         new SelectLastDay(defaultItems)
-                    }
+                    },
+                    Guid.Parse(DEFAULT_SETTINGS_1_UID)
                 )
             );
 
@@ -143,11 +220,26 @@ namespace zaaReloaded2.Controller
                     new List<ElementBase>()
                     {
                         new SelectEachDay(defaultItems),
-                    }
+                    },
+                    Guid.Parse(DEFAULT_SETTINGS_2_UID)
                 )
             );
         }
 
         #endregion
+
+        #region Private constants
+
+        /// <summary>
+        /// Constant GUID for the first default Settings.
+        /// </summary>
+        const string DEFAULT_SETTINGS_1_UID = "EA79DE6C-E999-44F1-9122-929A8AA404CB";
+
+        /// <summary>
+        /// Constant GUID for the second default Settings.
+        /// </summary>
+        const string DEFAULT_SETTINGS_2_UID = "783C63B5-A964-4368-B2D0-D4595DCCB952";
+
+        #endregion
     }
 }

zaaReloaded2/Formatter/ReferenceStyle.cs

@@ -26,7 +26,6 @@ namespace zaaReloaded2.Formatter
     /// <summary>
     /// Describes the style of normal range references.
     /// </summary>
-    [Serializable]
     public enum ReferenceStyle
     {
         /// <summary>

zaaReloaded2/Properties/Settings.Designer.cs

@@ -25,9 +25,10 @@ namespace zaaReloaded2.Properties {
         
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
-        public global::zaaReloaded2.Controller.SettingsRepository SettingsRepository {
+        [global::System.Configuration.DefaultSettingValueAttribute("")]
+        public string SettingsRepository {
             get {
-                return ((global::zaaReloaded2.Controller.SettingsRepository)(this["SettingsRepository"]));
+                return ((string)(this["SettingsRepository"]));
             }
             set {
                 this["SettingsRepository"] = value;
@@ -281,5 +282,14 @@ namespace zaaReloaded2.Properties {
                 return ((string)(this["ControlElementLabel"]));
             }
         }
+        
+        [global::System.Configuration.ApplicationScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("1")]
+        public int SerializationVersion {
+            get {
+                return ((int)(this["SerializationVersion"]));
+            }
+        }
     }
 }

zaaReloaded2/Properties/Settings.settings

@@ -2,7 +2,7 @@
 <SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" GeneratedClassNamespace="zaaReloaded2.Properties" GeneratedClassName="Settings">
   <Profiles />
   <Settings>
-    <Setting Name="SettingsRepository" Type="zaaReloaded2.Controller.SettingsRepository" Scope="User">
+    <Setting Name="SettingsRepository" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
     <Setting Name="AddinName" Type="System.String" Scope="Application">
@@ -86,5 +86,8 @@
     <Setting Name="ControlElementLabel" Type="System.String" Scope="Application">
       <Value Profile="(Default)">Steuerungs-Elemente</Value>
     </Setting>
+    <Setting Name="SerializationVersion" Type="System.Int32" Scope="Application">
+      <Value Profile="(Default)">1</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

zaaReloaded2/app.config

@@ -104,10 +104,16 @@
             <setting name="ControlElementLabel" serializeAs="String">
                 <value>Steuerungs-Elemente</value>
             </setting>
+            <setting name="SerializationVersion" serializeAs="String">
+                <value>1</value>
+            </setting>
         </zaaReloaded2.Properties.Settings>
     </applicationSettings>
     <userSettings>
         <zaaReloaded2.Properties.Settings>
+            <setting name="SettingsRepository" serializeAs="String">
+                <value />
+            </setting>
             <setting name="LastUpdateCheck" serializeAs="String">
                 <value />
             </setting>

zaaReloaded2/zaaReloaded2.csproj

@@ -143,6 +143,7 @@
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Runtime.Serialization.Formatters.Soap" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Windows.Interactivity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Expression.Blend.Sdk.1.0.2\lib\net40-client\System.Windows.Interactivity.dll</HintPath>