--- a/jface/snippets/Snippet047VirtualLazyTreeViewer.d	Thu Aug 07 17:23:25 2008 +0200
+++ b/jface/snippets/Snippet047VirtualLazyTreeViewer.d	Thu Aug 07 22:21:50 2008 +0200
@@ -8,7 +8,7 @@
  * Contributors:
  *     Tom Schindl - initial API and implementation
  * Port to the D programming language:
- *     yidabu at gmail dot com  ( D China http://www.d-programming-language-china.org/ ) 
+ *     yidabu at gmail dot com  ( D China http://www.d-programming-language-china.org/ )
  *******************************************************************************/
 
 module jface.snippets.Snippet047VirtualLazyTreeViewer;
@@ -27,6 +27,8 @@
 import tango.util.Convert;
 import tango.util.container.LinkedList;
 
+version(JIVE) import jive.stacktrace;
+
 
 /**
  * @param args
@@ -49,12 +51,12 @@
 
 /**
  * A simple TreeViewer to demonstrate usage of an ILazyContentProvider.
- * 
+ *
  */
 public class Snippet047VirtualLazyTreeViewer {
-    alias ArrayWrapperT!(IntermediateNode)  ArrayWrapperIntermediateNode;    
-    alias ArrayWrapperT!(LeafNode)  ArrayWrapperLeafNode;  
-    
+    alias ArrayWrapperT!(IntermediateNode)  ArrayWrapperIntermediateNode;
+    alias ArrayWrapperT!(LeafNode)  ArrayWrapperLeafNode;
+
     private class MyContentProvider : ILazyTreeContentProvider {
         private TreeViewer viewer;
         private IntermediateNode[] elements;
@@ -74,7 +76,7 @@
 
         /*
          * (non-Javadoc)
-         * 
+         *
          * @see dwtx.jface.viewers.ILazyTreeContentProvider#getParent(java.lang.Object)
          */
         public Object getParent(Object element) {
@@ -85,40 +87,40 @@
 
         /*
          * (non-Javadoc)
-         * 
+         *
          * @see dwtx.jface.viewers.ILazyTreeContentProvider#updateChildCount(java.lang.Object,
          *      int)
          */
         public void updateChildCount(Object element, int currentChildCount) {
-            
+
             int length = 0;
             if (cast(IntermediateNode)element) {
                 IntermediateNode node = cast(IntermediateNode) element;
                 length =  node.children.length;
-            } 
+            }
             /// TODO: fix me  access violation here
             if(element !is null && elements !is null && (cast(ArrayWrapperIntermediateNode)element) && (cast(ArrayWrapperIntermediateNode)element).array is elements)
                 length = elements.length;
-            viewer.setChildCount(element, length);    
+            viewer.setChildCount(element, length);
         }
 
         /*
          * (non-Javadoc)
-         * 
+         *
          * @see dwtx.jface.viewers.ILazyTreeContentProvider#updateElement(java.lang.Object,
          *      int)
          */
         public void updateElement(Object parent, int index) {
-            
+
             Object element;
-            if (cast(IntermediateNode)parent) 
+            if (cast(IntermediateNode)parent)
                 element = (cast(IntermediateNode) parent).children[index];
-            
+
             else
                 element =  elements[index];
             viewer.replace(parent, index, element);
             updateChildCount(element, -1);
-            
+
         }
 
     }