From 477123268cc1e7b6d2f8534e9cf3cc6b1274cd90 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 10 Feb 2005 13:20:58 +0000
Subject: [PATCH] isAligned method added, check before making tree

---
 src/jalview/gui/AlignFrame.java |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index 3211b03..f3d0d99 100755
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -771,6 +771,14 @@ public class AlignFrame extends GAlignFrame
 
   void NewTreePanel(String type, String pwType, String title)
   {
+    //are the sequences aligned?
+    if(!viewport.alignment.isAligned())
+    {
+      JOptionPane.showMessageDialog(Desktop.desktop, "The sequences must be aligned before creating a tree.",
+                                    "Sequences not aligned", JOptionPane.WARNING_MESSAGE);
+      return;
+    }
+
     JInternalFrame frame = new javax.swing.JInternalFrame();
     TreePanel tp=null;
    if (viewport.getSelection() != null && viewport.getSelection().size() > 3)
-- 
1.7.10.2