JAL-1497 check to see if tree structure is ready for display, and show a 'tree loadin...
[jalview.git] / src / jalview / gui / TreeCanvas.java
index 900ef1d..97cca4b 100755 (executable)
@@ -667,9 +667,12 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
             RenderingHints.VALUE_ANTIALIAS_ON);
     g2.setColor(Color.white);
     g2.fillRect(0, 0, width, height);
-
     g2.setFont(font);
 
+    if (longestName==null || tree ==null)
+    {
+      g2.drawString("Calculating tree.",20,20);
+    }
     offy = font.getSize() + 10;
 
     fm = g2.getFontMetrics(font);
@@ -791,9 +794,7 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
     if (ob instanceof SequenceNode)
     {
       highlightNode = (SequenceNode) ob;
-      this.setToolTipText("<html>Left click to select leaves"
-              + "<br>Double-click to invert leaves"
-              + "<br>Right click to change colour");
+      this.setToolTipText("<html>" + MessageManager.getString("label.highlightnode"));
       repaint();
 
     }