X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fappletgui%2FAlignViewport.java;fp=src%2Fjalview%2Fappletgui%2FAlignViewport.java;h=065c503def15b9d94222ef5a0da341f1e1a2d86e;hb=84724ad7b25f65eb6009f70d9b4cb89fc6796622;hp=fc087c619e0dbb08ca536aaf3e26c1d1124df1ab;hpb=532f84b54e9039d831af69f394d72dd6ffbcee15;p=jalview.git

diff --git a/src/jalview/appletgui/AlignViewport.java b/src/jalview/appletgui/AlignViewport.java
index fc087c6..065c503 100644
--- a/src/jalview/appletgui/AlignViewport.java
+++ b/src/jalview/appletgui/AlignViewport.java
@@ -35,16 +35,16 @@ import jalview.datamodel.SequenceI;
 import jalview.renderer.ResidueShader;
 import jalview.schemes.ColourSchemeProperty;
 import jalview.schemes.UserColourScheme;
-import jalview.structure.CommandListener;
 import jalview.structure.SelectionSource;
 import jalview.structure.StructureSelectionManager;
 import jalview.structure.VamsasSource;
 import jalview.viewmodel.AlignmentViewport;
+import jalview.viewmodel.ViewportRanges;
 
 import java.awt.Font;
 
 public class AlignViewport extends AlignmentViewport implements
-        SelectionSource, VamsasSource, CommandListener
+        SelectionSource
 {
   boolean cursorMode = false;
 
@@ -75,12 +75,10 @@ public class AlignViewport extends AlignmentViewport implements
     calculator = new jalview.workers.AlignCalcManager();
     this.applet = applet;
     alignment = al;
+    ranges = new ViewportRanges(this.alignment);
     // we always pad gaps
     this.setPadGaps(true);
-    this.startRes = 0;
-    this.endRes = al.getWidth() - 1;
-    this.startSeq = 0;
-    this.endSeq = al.getHeight() - 1;
+
     if (applet != null)
     {
       // get the width and height scaling factors if they were specified
@@ -299,7 +297,7 @@ public class AlignViewport extends AlignmentViewport implements
 
   public void resetSeqLimits(int height)
   {
-    setEndSeq(height / getCharHeight());
+    ranges.setEndSeq(height / getCharHeight());
   }
 
   public void setCurrentTree(NJTree tree)