Implement blacklisting feature.

- NEU: Parameter können im Thesaurus als "blacklisted" markiert werden und werden dann bei Verwendung einer Wildcard ("*") nicht berücksichtigt.

zaaReloaded2/Formatter/ItemFormatter.cs

@@ -48,6 +48,23 @@ namespace zaaReloaded2.Formatter
         /// </summary>
         public bool HasBeenUsed { get; set; }
 
+        /// <summary>
+        /// Gets or sets a flag that tells the formatter to include or
+        /// not include the material indicator in the formatted output.
+        /// Default is true.
+        /// </summary>
+        /// <remarks>
+        /// For example, items that are selected with a wildcard may
+        /// contain the material info, while expressly chosen items
+        /// may not.
+        /// </remarks>
+        public bool IncludeMaterial { get; set; }
+
+        /// <summary>
+        /// Gets whether the Item is marked as blacklisted in the thesaurus.
+        /// </summary>
+        public bool IsBlacklisted { get { return LabItem.IsBlacklisted;  } }
+
         #endregion
 
         #region Constructor
@@ -58,6 +75,7 @@ namespace zaaReloaded2.Formatter
         /// <param name="labItem">LabItem to wrap in this ItemFormatter.</param>
         public ItemFormatter(LabItem labItem, ReferenceStyle referenceStyle)
         {
+            IncludeMaterial = true;
             LabItem = labItem;
             ReferenceStyle = referenceStyle;
         }
@@ -133,11 +151,13 @@ namespace zaaReloaded2.Formatter
                 value = LabItem.Value;
             }
 
+            string name = IncludeMaterial ? LabItem.QualifiedName : LabItem.Name;
+
             // Insert the formatted text into the document.
             formatter.Write(
                 String.Format(
                     "{0} {1}{2}{3}",
-                    LabItem.QualifiedName,
+                    name,
                     value,
                     unit,
                     reference