From e6139c0f78da30cdf0dabb986706f3a2110c02fc Mon Sep 17 00:00:00 2001
From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Wed, 29 Apr 2015 16:00:27 +0100
Subject: [PATCH 1/1] JAL-1690 preserve scaling in New View, synch id width
 changes

---
 src/jalview/gui/IdwidthAdjuster.java |   24 +++++++++++++++++++++---
 src/jalview/gui/SplitFrame.java      |   15 +++++++++++++++
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/src/jalview/gui/IdwidthAdjuster.java b/src/jalview/gui/IdwidthAdjuster.java
index 71e2040..3d82256 100755
--- a/src/jalview/gui/IdwidthAdjuster.java
+++ b/src/jalview/gui/IdwidthAdjuster.java
@@ -29,6 +29,8 @@ import java.awt.event.MouseMotionListener;
 
 import javax.swing.JPanel;
 
+import jalview.api.AlignViewportI;
+
 /**
  * DOCUMENT ME!
  * 
@@ -88,6 +90,20 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
   {
     active = false;
     repaint();
+
+    /*
+     * If in a SplitFrame with co-scaled alignments, set the other's id width to
+     * match
+     */
+    final AlignViewportI viewport = ap.getAlignViewport();
+    if (viewport.getCodingComplement() != null
+            && viewport.isScaleProteinAsCdna())
+    {
+      viewport.getCodingComplement().setIdWidth(viewport.getIdWidth());
+      SplitFrame sf = (SplitFrame) ap.alignFrame.getSplitViewContainer();
+      sf.repaint();
+    }
+
   }
 
   /**
@@ -124,12 +140,14 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
   {
     active = true;
 
-    int curwidth = ap.getAlignViewport().getIdWidth();
+    final AlignViewportI viewport = ap.getAlignViewport();
+    int curwidth = viewport.getIdWidth();
     int dif = evt.getX() - oldX;
 
-    if (((curwidth + dif) > 20) || (dif > 0))
+    final int newWidth = curwidth + dif;
+    if ((newWidth > 20) || (dif > 0))
     {
-      ap.getAlignViewport().setIdWidth(curwidth + dif);
+      viewport.setIdWidth(newWidth);
 
       ap.paintAlignment(true);
     }
diff --git a/src/jalview/gui/SplitFrame.java b/src/jalview/gui/SplitFrame.java
index bfb3719..cab4d27 100644
--- a/src/jalview/gui/SplitFrame.java
+++ b/src/jalview/gui/SplitFrame.java
@@ -392,6 +392,8 @@ public class SplitFrame extends GSplitFrame implements SplitContainerI
   {
     AlignFrame topFrame = (AlignFrame) getTopFrame();
     AlignFrame bottomFrame = (AlignFrame) getBottomFrame();
+    final boolean scaleProteinAsCdna = topFrame.viewport
+            .isScaleProteinAsCdna();
 
     AlignmentPanel newTopPanel = topFrame.newView(null, true);
     AlignmentPanel newBottomPanel = bottomFrame.newView(null, true);
@@ -410,6 +412,19 @@ public class SplitFrame extends GSplitFrame implements SplitContainerI
     newBottomPanel.av.viewName = newTopPanel.av.viewName;
     newTopPanel.av.setCodingComplement(newBottomPanel.av);
 
+    /*
+     * These lines can be removed once scaleProteinAsCdna is added to element
+     * Viewport in jalview.xsd, as Jalview2XML.copyAlignPanel will then take
+     * care of it
+     */
+    newTopPanel.av.setScaleProteinAsCdna(scaleProteinAsCdna);
+    newBottomPanel.av.setScaleProteinAsCdna(scaleProteinAsCdna);
+
+    /*
+     * Line up id labels etc
+     */
+    adjustLayout();
+
     final StructureSelectionManager ssm = StructureSelectionManager
             .getStructureSelectionManager(Desktop.instance);
     ssm.addCommandListener(newTopPanel.av);
-- 
1.7.10.2