Implement WriteToDocument method in Formatter.

zaaReloaded2/Formatter/Formatter.cs

@@ -88,6 +88,20 @@ namespace zaaReloaded2.Formatter
 
         #region Public methods
 
+        /// <summary>
+        /// Writes some text to the current document.
+        /// Does nothing if there is no current document.
+        /// </summary>
+        /// <param name="text">Text to write to the current document.
+        /// </param>
+        public void WriteToDocument(string text)
+        {
+            if (Document != null)
+            {
+                Document.Range().InsertAfter(text);
+            }
+        }
+
         /// <summary>
         /// Formats the laboratory and writes it to a Word document.
         /// </summary>

zaaReloaded2/Formatter/ItemFormatter.cs

@@ -70,7 +70,7 @@ namespace zaaReloaded2.Formatter
         /// Formats and writes the LabItem details to a word <paramref name="document"/>.
         /// </summary>
         /// <param name="document">Word document to write to.</param>
-        public void WriteToDocument(Document document)
+        public void WriteToDocument(Formatter formatter)
         {
             string reference;
             if (
@@ -134,7 +134,7 @@ namespace zaaReloaded2.Formatter
             }
 
             // Insert the formatted text into the document.
-            document.Range().InsertAfter(
+            formatter.WriteToDocument(
                 String.Format(
                     "{0} {1}{2}{3}",
                     LabItem.QualifiedName,