Implement bold font; make tests pass again.

- NEU: Überschriften und pathologische Werte werden fett gedruckt.
- FIX: Kleinere Bugfixes.

zaaReloaded2/Formatter/DocumentWriter.cs

@@ -20,6 +20,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using Microsoft.Office.Interop.Word;
+using System.Text.RegularExpressions;
 
 namespace zaaReloaded2.Formatter
 {
@@ -59,6 +60,20 @@ namespace zaaReloaded2.Formatter
         /// </summary>
         public string ParagraphStyle { get; set; }
 
+        /// <summary>
+        /// Returns text without markup from the buffer.
+        /// </summary>
+        public string Text
+        {
+            get
+            {
+                if (!HasBufferedText)
+                    throw new InvalidOperationException("This DocumentWriter does not have any text.");
+
+                return _markupRegex.Replace(_buffer.ToString(), String.Empty);
+            }
+        }
+
         #endregion
 
         #region Constructors
@@ -126,7 +141,7 @@ namespace zaaReloaded2.Formatter
                 {
                     s.set_Style(ParagraphStyle);
                 }
-                s.Range.Text = _buffer.ToString();
+                MarkupToDocument(_buffer.ToString());
             }
             if (Parent != null)
             {
@@ -166,9 +181,40 @@ namespace zaaReloaded2.Formatter
 
         #endregion
 
+        #region Private methods
+
+        /// <summary>
+        /// Parses a string containing markup (e.g., "&lt;b&gt;", "&lt;/b&gt;")
+        /// and writes formatted text to the current Document.
+        /// </summary>
+        /// <param name="text"></param>
+        void MarkupToDocument(string text)
+        {
+            string[] substrings = _markupRegex.Split(text);
+            foreach (string substring in substrings)
+            {
+                switch (substring)
+                {
+                    case "<b>":
+                        Document.ActiveWindow.Selection.Font.Bold = 1;
+                        break;
+                    case "</b>":
+                        Document.ActiveWindow.Selection.Font.Bold = 0;
+                        break;
+                    default:
+                        Document.ActiveWindow.Selection.TypeText(substring);
+                        break;
+                }
+            }
+        }
+
+        #endregion
+
         #region Fields
 
         StringBuilder _buffer;
+        // Put pattern in parentheses so they will not be discarded by Regex.Split
+        static readonly Regex _markupRegex = new Regex(@"(</?b>)");
 
         #endregion
     }

zaaReloaded2/Formatter/ItemFormatter.cs

@@ -153,15 +153,20 @@ namespace zaaReloaded2.Formatter
 
             string name = IncludeMaterial ? LabItem.QualifiedName : LabItem.Name;
 
-            // Insert the formatted text into the document.
-            formatter.Write(
+            string output =
                 String.Format(
                     "{0} {1}{2}{3}",
                     name,
                     value,
                     unit,
                     reference
-                ));
+                );
+            if (!LabItem.IsNormal)
+            {
+                output = String.Format("<b>{0}</b>", output);
+            }
+
+            formatter.Write(output);
             HasBeenUsed = true;
         }
 

zaaReloaded2/Formatter/TimePointFormatter.cs

@@ -68,7 +68,7 @@ namespace zaaReloaded2.Formatter
 
         static string FormatHeader(string text)
         {
-            return String.Format("{0}Laborwerte vom {1}:{2}",
+            return String.Format("{0}<b>Laborwerte vom {1}:</b>{2}",
                 Environment.NewLine,
                 text,
                 Environment.NewLine

zaaReloaded2/LabModel/LabItem.cs

@@ -123,7 +123,8 @@ namespace zaaReloaded2.LabModel
         public bool HasUpperLimit { get; protected set; }
 
         /// <summary>
-        /// Is true if <see cref="Value"/> is normal.
+        /// Is true if <see cref="Value"/> is normal. Returns true
+        /// if no limits and no normal value are known.
         /// </summary>
         public bool IsNormal
         {
@@ -147,7 +148,7 @@ namespace zaaReloaded2.LabModel
                 }
                 else
                 {
-                    return (Value == Normal);
+                    return String.IsNullOrEmpty(Normal) || (Value == Normal);
                 }
             }
         }

zaaReloaded2/ViewModels/SettingsViewModel.cs

@@ -347,7 +347,7 @@ namespace zaaReloaded2.ViewModels
             picker.ElementChosenMessage.Sent += (sender, args) =>
             {
                 ElementViewModel newVM = args.Content.ViewModel as ElementViewModel;
-                if (IsTopLevelElement())
+                if (LastSelectedElement == null || IsTopLevelElement())
                 {
                     AddElementViewModel(newVM);
                 }