--- a/dwtx/text/undo/DocumentUndoManager.d	Wed Aug 27 02:07:22 2008 +0200
+++ b/dwtx/text/undo/DocumentUndoManager.d	Wed Aug 27 14:49:30 2008 +0200
@@ -269,10 +269,10 @@
          */
         public IStatus undo(IProgressMonitor monitor, IAdaptable uiInfo) {
             if (isValid()) {
-                fDocumentUndoManager.fireDocumentUndo(fStart, fPreservedText, fText, uiInfo, DocumentUndoEvent.ABOUT_TO_UNDO, false);
+                fDocumentUndoManager.fireDocumentUndo(fStart, fPreservedText, fText, cast(Object)uiInfo, DocumentUndoEvent.ABOUT_TO_UNDO, false);
                 undoTextChange();
                 fDocumentUndoManager.resetProcessChangeState();
-                fDocumentUndoManager.fireDocumentUndo(fStart, fPreservedText, fText, uiInfo, DocumentUndoEvent.UNDONE, false);
+                fDocumentUndoManager.fireDocumentUndo(fStart, fPreservedText, fText, cast(Object)uiInfo, DocumentUndoEvent.UNDONE, false);
                 return Status.OK_STATUS;
             }
             return IOperationHistory.OPERATION_INVALID_STATUS;
@@ -301,10 +301,10 @@
          */
         public IStatus redo(IProgressMonitor monitor, IAdaptable uiInfo) {
             if (isValid()) {
-                fDocumentUndoManager.fireDocumentUndo(fStart, fText, fPreservedText, uiInfo, DocumentUndoEvent.ABOUT_TO_REDO, false);
+                fDocumentUndoManager.fireDocumentUndo(fStart, fText, fPreservedText, cast(Object)uiInfo, DocumentUndoEvent.ABOUT_TO_REDO, false);
                 redoTextChange();
                 fDocumentUndoManager.resetProcessChangeState();
-                fDocumentUndoManager.fireDocumentUndo(fStart, fText, fPreservedText, uiInfo, DocumentUndoEvent.REDONE, false);
+                fDocumentUndoManager.fireDocumentUndo(fStart, fText, fPreservedText, cast(Object)uiInfo, DocumentUndoEvent.REDONE, false);
                 return Status.OK_STATUS;
             }
             return IOperationHistory.OPERATION_INVALID_STATUS;
@@ -316,9 +316,9 @@
 
         protected void updateTextChange() {
             fText= fDocumentUndoManager.fTextBuffer.toString();
-            fDocumentUndoManager.fTextBuffer.setLength(0);
+            fDocumentUndoManager.fTextBuffer.clear();
             fPreservedText= fDocumentUndoManager.fPreservedTextBuffer.toString();
-            fDocumentUndoManager.fPreservedTextBuffer.setLength(0);
+            fDocumentUndoManager.fPreservedTextBuffer.clear();
         }
 
         /**
@@ -393,7 +393,7 @@
             String delimiter= ", "; //$NON-NLS-1$
             StringBuffer text= new StringBuffer(super.toString());
             text.append("\n"); //$NON-NLS-1$
-            text.append(this.getClass().getName());
+            text.append(this.classinfo.name);
             text.append(" undo modification stamp: "); //$NON-NLS-1$
             text.append(fUndoModificationStamp);
             text.append(" redo modification stamp: "); //$NON-NLS-1$
@@ -441,7 +441,7 @@
     private static class UndoableCompoundTextChange : UndoableTextChange {
 
         /** The list of individual changes */
-        private List fChanges= new ArrayList();
+        private List fChanges;
 
         /**
          * Creates a new compound text change.
@@ -450,6 +450,7 @@
          *            the undo manager for this change
          */
         this(DocumentUndoManager manager) {
+            fChanges= new ArrayList();
             super(manager);
         }
 
@@ -472,14 +473,14 @@
                 UndoableTextChange c;
 
                 c= cast(UndoableTextChange) fChanges.get(0);
-                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fPreservedText, c.fText, uiInfo, DocumentUndoEvent.ABOUT_TO_UNDO, true);
+                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fPreservedText, c.fText, cast(Object)uiInfo, DocumentUndoEvent.ABOUT_TO_UNDO, true);
 
                 for (int i= size - 1; i >= 0; --i) {
                     c= cast(UndoableTextChange) fChanges.get(i);
                     c.undoTextChange();
                 }
                 fDocumentUndoManager.resetProcessChangeState();
-                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fPreservedText, c.fText, uiInfo,
+                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fPreservedText, c.fText, cast(Object)uiInfo,
                         DocumentUndoEvent.UNDONE, true);
             }
             return Status.OK_STATUS;
@@ -495,14 +496,14 @@
 
                 UndoableTextChange c;
                 c= cast(UndoableTextChange) fChanges.get(size - 1);
-                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fText, c.fPreservedText, uiInfo, DocumentUndoEvent.ABOUT_TO_REDO, true);
+                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fText, c.fPreservedText, cast(Object)uiInfo, DocumentUndoEvent.ABOUT_TO_REDO, true);
 
                 for (int i= 0; i <= size - 1; ++i) {
                     c= cast(UndoableTextChange) fChanges.get(i);
                     c.redoTextChange();
                 }
                 fDocumentUndoManager.resetProcessChangeState();
-                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fText, c.fPreservedText, uiInfo, DocumentUndoEvent.REDONE, true);
+                fDocumentUndoManager.fireDocumentUndo(c.fStart, c.fText, c.fPreservedText, cast(Object)uiInfo, DocumentUndoEvent.REDONE, true);
             }
 
             return Status.OK_STATUS;
@@ -786,11 +787,11 @@
      * @param document the document whose undo history is being managed.
      */
     public this(IDocument document) {
-        super();
-        Assert.isNotNull(document);
+//         super();
+        Assert.isNotNull(cast(Object)document);
         fDocument= document;
         fHistory= OperationHistoryFactory.getOperationHistory();
-        fUndoContext= new ObjectUndoContext(fDocument);
+        fUndoContext= new ObjectUndoContext(cast(Object)fDocument);
         fConnected= new ArrayList();
         fDocumentUndoListeners= new ListenerList(ListenerList.IDENTITY);
     }
@@ -799,14 +800,14 @@
      * @see dwtx.jface.text.IDocumentUndoManager#addDocumentUndoListener(dwtx.jface.text.IDocumentUndoListener)
      */
     public void addDocumentUndoListener(IDocumentUndoListener listener) {
-        fDocumentUndoListeners.add(listener);
+        fDocumentUndoListeners.add(cast(Object)listener);
     }
 
     /*
      * @see dwtx.jface.text.IDocumentUndoManager#removeDocumentUndoListener(dwtx.jface.text.IDocumentUndoListener)
      */
     public void removeDocumentUndoListener(IDocumentUndoListener listener) {
-        fDocumentUndoListeners.remove(listener);
+        fDocumentUndoListeners.remove(cast(Object)listener);
     }
 
     /*
@@ -1008,7 +1009,7 @@
         if (index > -1) {
             char c;
             int length= text.length();
-            for (int i= delimiters[index].length(); i < length; i++) {
+            for (int i= delimiters[index].length; i < length; i++) {
                 c= text.charAt(i);
                 if (c !is ' ' && c !is '\t')
                     return false;
@@ -1096,7 +1097,7 @@
             if (length is 0) {
                 // text will be deleted by backspace or DEL key or empty
                 // clipboard
-                length= replacedText.length();
+                length= replacedText.length;
                 String[] delimiters= fDocument.getLegalLineDelimiters();
 
                 if ((length is 1)
@@ -1122,7 +1123,8 @@
                         // repeated backspace
 
                         // insert in buffer and extend edit range
-                        fPreservedTextBuffer.insert(0, replacedText);
+                        fPreservedTextBuffer.select(0,0);
+                        fPreservedTextBuffer.replace(replacedText);
                         fCurrent.fStart= modelStart;
 
                     } else {
@@ -1155,7 +1157,7 @@
                 // text will be replaced
 
                 if (length is 1) {
-                    length= replacedText.length();
+                    length= replacedText.length;
                     String[] delimiters= fDocument.getLegalLineDelimiters();
 
                     if ((length is 1)
@@ -1231,8 +1233,8 @@
 
         fCurrent= null;
         fPreviousDelete= null;
-        fTextBuffer= null;
-        fPreservedTextBuffer= null;
+        fTextBuffer.clear();
+        fPreservedTextBuffer.clear();
 
         disposeUndoHistory();
     }