Switch to side-by-side view

--- a/tool/src/GUI/TreeRenderer.java
+++ b/tool/src/GUI/TreeRenderer.java
@@ -1,21 +1,13 @@
 /*
  * SPDXVersion: SPDX-1.1
- *
  * Creator: Person: Nuno Brito (nuno.brito@triplecheck.de)
- *
  * Creator: Organization: TripleCheck (contact@triplecheck.de)
- *
  * Created: 2013-09-17T00:00:00Z
- *
  * LicenseName: NOASSERTION
- *
  * FileName: TreeRenderer.java  
- *
  * FileType: SOURCE
- *
  * FileCopyrightText: <text> Copyright 2013 Nuno Brito, TripleCheck </text>
- *
- * FileComment: <text> Adds the pretty icons on tree objects </text> 
+ * FileComment: <text> Add the pretty icons on tree objects </text> 
  */
 
 package GUI;
@@ -45,7 +37,11 @@
             sectionReview = get("geolocation.png"),
             //dependency = get("envelope.png"),
             file = get("document-number.png"),
-            home = get("home.png");
+            home = get("home.png"),
+    
+            folderClosed = get("folder-horizontal.png"),
+            folderOpen = get("folder-horizontal-open.png");
+    
             // medal-premium.png
   
     @Override
@@ -68,6 +64,10 @@
                 break;
             case file:
                 setIcon(file);
+                break;
+            case folder:
+                setIcon(folderClosed);
+                node.iconWhenSelected = get("folder-horizontal-open.png");
                 break;
             case person:
                 setIcon(person);