JAL-353 undo for successive removal of redundant sequence - bugfix

diff --git a/src/jalview/commands/EditCommand.java b/src/jalview/commands/EditCommand.java
index 83ba536..da2b552 100644 (file)
--- a/src/jalview/commands/EditCommand.java
+++ b/src/jalview/commands/EditCommand.java
@@ -215,28 +215,26 @@ public class EditCommand implements CommandI
 
   @Override
   final public void undoCommand(AlignmentI[] views)
-  {
-    int e = 0, eSize = edits.length;
-    for (e = eSize - 1; e > -1; e--)
-    {
-      switch (edits[e].command)
-      {
-      case INSERT_GAP:
-        deleteGap(edits[e]);
-        break;
-      case DELETE_GAP:
-        insertGap(edits[e]);
-        break;
-      case CUT:
-        paste(edits[e], views);
-        break;
-      case PASTE:
-        cut(edits[e], views);
-        break;
-      case REPLACE:
-        replace(edits[e]);
-        break;
-      }
+  { 
+    for(Edit e : edits){
+       switch (e.command)
+        {
+        case INSERT_GAP:
+          deleteGap(e);
+          break;
+        case DELETE_GAP:
+          insertGap(e);
+          break;
+        case CUT:
+          paste(e, views);
+          break;
+        case PASTE:
+          cut(e, views);
+          break;
+        case REPLACE:
+          replace(e);
+          break;
+        }
     }
   }
 
@@ -355,7 +353,7 @@ public class EditCommand implements CommandI
           List<SequenceI> sequences;
           synchronized (sequences = command.al.getSequences())
           {
-            sequences.add(command.alIndex[i], command.seqs[i]);
+            sequences.add(command.alIndex[i] < 0 ? 0 : command.alIndex[i], command.seqs[i]);
           }
         }
         else