Make some classes ICloneable; implement SettingsRepositoryViewModel.

zaaReloaded2/Controller/Elements/CustomText.cs

@@ -36,5 +36,12 @@ namespace zaaReloaded2.Controller.Elements
         {
             formatter.WriteParagraph(Content);
         }
+
+        protected override ElementBase CreateInstance()
+        {
+            CustomText clone = new CustomText();
+            clone.Content = Content;
+            return clone;
+        }
     }
 }

zaaReloaded2/Controller/Elements/ElementBase.cs

@@ -28,7 +28,7 @@ namespace zaaReloaded2.Controller.Elements
     /// Base class for formatting elements.
     /// </summary>
     [Serializable]
-    public abstract class ElementBase
+    public abstract class ElementBase : ICloneable
     {
         /// <summary>
         /// Returns the label for this formatting element.
@@ -44,5 +44,16 @@ namespace zaaReloaded2.Controller.Elements
         /// Element belongs to. The Formatter object provides access
         /// to the current Word document etc.</param>
         abstract public void Run(zaaReloaded2.Formatter.Formatter formatter);
+
+        public object Clone()
+        {
+            return CreateInstance();
+        }
+
+        /// <summary>
+        /// Creates a new instance that can be used for cloning.
+        /// </summary>
+        /// <returns>New instance of a derived class.</returns>
+        protected abstract ElementBase CreateInstance();
     }
 }

zaaReloaded2/Controller/Elements/SelectEachDay.cs

@@ -43,5 +43,10 @@ namespace zaaReloaded2.Controller.Elements
         public SelectEachDay(IList<FormatElementBase> formatElements)
             : base(formatElements)
         { }
+
+        protected override ElementBase CreateInstance()
+        {
+            return new SelectEachDay();
+        }
     }
 }

zaaReloaded2/Controller/Elements/SelectFirstDay.cs

@@ -47,5 +47,10 @@ namespace zaaReloaded2.Controller.Elements
         public SelectFirstDay(IList<FormatElementBase> formatElements)
             : base(formatElements)
         { }
+
+        protected override ElementBase CreateInstance()
+        {
+            return new SelectFirstDay();
+        }
     }
 }

zaaReloaded2/Controller/Elements/SelectLastDay.cs

@@ -48,5 +48,10 @@ namespace zaaReloaded2.Controller.Elements
         public SelectLastDay(IList<FormatElementBase> formatElements)
             : base(formatElements)
         { }
+
+        protected override ElementBase CreateInstance()
+        {
+            return new SelectLastDay();
+        }
     }
 }