X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FTreeCanvas.java;h=3494fb8c847f0a25eab90827c372198ac4b4b4e6;hb=c5e7525fa1ce59385fd3e249c2fe4056f4b5371e;hp=eb4253fc901b3c328081990d7058a7cb7928fc39;hpb=7f5ab7d1f58d870622968e0e6a430f33403b8e4f;p=jalview.git

diff --git a/src/jalview/gui/TreeCanvas.java b/src/jalview/gui/TreeCanvas.java
index eb4253f..3494fb8 100755
--- a/src/jalview/gui/TreeCanvas.java
+++ b/src/jalview/gui/TreeCanvas.java
@@ -21,7 +21,7 @@
 package jalview.gui;
 
 import jalview.analysis.Conservation;
-import jalview.analysis.NJTree;
+import jalview.analysis.TreeModel;
 import jalview.api.AlignViewportI;
 import jalview.datamodel.Sequence;
 import jalview.datamodel.SequenceGroup;
@@ -53,6 +53,7 @@ import java.awt.print.PrinterException;
 import java.awt.print.PrinterJob;
 import java.util.Enumeration;
 import java.util.Hashtable;
+import java.util.List;
 import java.util.Vector;
 
 import javax.swing.JColorChooser;
@@ -73,7 +74,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
   /** DOCUMENT ME!! */
   public static final String PLACEHOLDER = " * ";
 
-  NJTree tree;
+  TreeModel tree;
 
   JScrollPane scrollPane;
 
@@ -168,7 +169,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
    * @param tree
    *          DOCUMENT ME!
    */
-  public void setTree(NJTree tree)
+  public void setTree(TreeModel tree)
   {
     this.tree = tree;
     tree.findHeight(tree.getTopNode());
@@ -549,7 +550,16 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
   public void run()
   {
     PrinterJob printJob = PrinterJob.getPrinterJob();
-    PageFormat pf = printJob.pageDialog(printJob.defaultPage());
+    PageFormat defaultPage = printJob.defaultPage();
+    PageFormat pf = printJob.pageDialog(defaultPage);
+
+    if (defaultPage == pf)
+    {
+      /*
+       * user cancelled
+       */
+      return;
+    }
 
     printJob.setPrintable(this, pf);
 
@@ -929,8 +939,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
         threshold = (float) (x - offx)
                 / (float) (getWidth() - labelLength - (2 * offx));
 
-        tree.getGroups().removeAllElements();
-        tree.groupNodes(tree.getTopNode(), threshold);
+        List<SequenceNode> groups = tree.groupNodes(threshold);
         setColor(tree.getTopNode(), Color.black);
 
         AlignmentPanel[] aps = getAssociatedPanels();
@@ -950,7 +959,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
             aps[a].av.getCodingComplement().clearSequenceColours();
           }
         }
-        colourGroups();
+        colourGroups(groups);
       }
 
       PaintRefresher.Refresh(tp, ap.av.getSequenceSetId());
@@ -959,17 +968,16 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
 
   }
 
-  void colourGroups()
+  void colourGroups(List<SequenceNode> groups)
   {
     AlignmentPanel[] aps = getAssociatedPanels();
-    for (int i = 0; i < tree.getGroups().size(); i++)
+    for (int i = 0; i < groups.size(); i++)
     {
       Color col = new Color((int) (Math.random() * 255),
               (int) (Math.random() * 255), (int) (Math.random() * 255));
-      setColor(tree.getGroups().elementAt(i), col.brighter());
+      setColor(groups.get(i), col.brighter());
 
-      Vector<SequenceNode> l = tree.findLeaves(tree.getGroups()
-              .elementAt(i));
+      Vector<SequenceNode> l = tree.findLeaves(groups.get(i));
 
       Vector<SequenceI> sequences = new Vector<SequenceI>();