Allow to retrieve a snapshot of the edited phylogenetic tree using javascript code...

[jalview.git] / forester / java / src / org / forester / phylogeny / Phylogeny.java

diff --git a/forester/java/src/org/forester/phylogeny/Phylogeny.java b/forester/java/src/org/forester/phylogeny/Phylogeny.java
index a3277ba..9560dfa 100644 (file)
--- a/forester/java/src/org/forester/phylogeny/Phylogeny.java
+++ b/forester/java/src/org/forester/phylogeny/Phylogeny.java
@@ -7,7 +7,7 @@
 // Copyright (C) 2000-2001 Washington University School of Medicine
 // and Howard Hughes Medical Institute
 // All rights reserved
-// 
+//
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
@@ -17,7 +17,7 @@
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 // Lesser General Public License for more details.
-// 
+//
 // You should have received a copy of the GNU Lesser General Public
 // License along with this library; if not, write to the Free Software
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
@@ -563,6 +563,21 @@ public class Phylogeny {
         return nodes.get( 0 );
     }
 
+    /**
+     * This is time-inefficient since it runs a iterator each time it is called.
+     * 
+     */
+    public int getNodeCount() {
+        if ( isEmpty() ) {
+            return 0;
+        }
+        int c = 0;
+        for( final PhylogenyNodeIterator it = iteratorPreorder(); it.hasNext(); it.next() ) {
+            ++c;
+        }
+        return c;
+    }
+
     public int getNumberOfBranches() {
         if ( isEmpty() ) {
             return 0;