From e7139af89390be3dc16db40cfba05dca066507fb Mon Sep 17 00:00:00 2001
From: jprocter <Jim Procter>
Date: Mon, 21 Apr 2008 17:19:03 +0000
Subject: [PATCH] centrecolumnlabels format menu item and parameter added to
 applet

---
 src/jalview/appletgui/AlignFrame.java      |   23 +++++++++++++++++++++--
 src/jalview/appletgui/AlignViewport.java   |    6 ++++++
 src/jalview/appletgui/AnnotationPanel.java |   15 ++++++++-------
 3 files changed, 35 insertions(+), 9 deletions(-)

diff --git a/src/jalview/appletgui/AlignFrame.java b/src/jalview/appletgui/AlignFrame.java
index 5620a3e..530b9a0 100755
--- a/src/jalview/appletgui/AlignFrame.java
+++ b/src/jalview/appletgui/AlignFrame.java
@@ -97,6 +97,12 @@ public class AlignFrame
           wrapMenuItem_actionPerformed();
         }
       }
+      param = applet.getParameter("centrecolumnlabels");
+      if (param != null)
+      {
+        centreColumnLabelFlag.setState(true);
+        centreColumnLabelFlag_stateChanged();
+      }
 
       try
       {
@@ -545,11 +551,20 @@ public class AlignFrame
     else if (evt.getSource() == autoCalculate)
     {
       viewport.autocalculateConsensus = autoCalculate.getState();
+    } else if (evt.getSource() == this.centreColumnLabelFlag)
+    {
+      centreColumnLabelFlag_stateChanged();
     }
-
+    
     alignPanel.paintAlignment(true);
   }
 
+  private void centreColumnLabelFlag_stateChanged()
+  {
+    viewport.centreColumnLabels = centreColumnLabelFlag.getState();
+    this.alignPanel.annotationPanel.repaint();
+  }
+
   public void actionPerformed(ActionEvent evt)
   {
     Object source = evt.getSource();
@@ -2465,6 +2480,7 @@ public class AlignFrame
   MenuItem documentation = new MenuItem();
   MenuItem about = new MenuItem();
    CheckboxMenuItem seqLimits = new CheckboxMenuItem();
+   CheckboxMenuItem centreColumnLabelFlag = new CheckboxMenuItem();
 
   private void jbInit()
       throws Exception
@@ -2632,7 +2648,9 @@ public class AlignFrame
     autoCalculate.addItemListener(this);
     inputText.setLabel("Input from textbox");
     inputText.addActionListener(this);
-
+    centreColumnLabelFlag.setLabel("Centre column labels");
+    centreColumnLabelFlag.addItemListener(this);
+    
     helpMenu.setLabel("Help");
     documentation.setLabel("Documentation");
     documentation.addActionListener(this);
@@ -2771,6 +2789,7 @@ public class AlignFrame
     formatMenu.add(viewTextMenuItem);
     formatMenu.add(colourTextMenuItem);
     formatMenu.add(renderGapsMenuItem);
+    formatMenu.add(centreColumnLabelFlag);
     selectMenu.add(findMenuItem);
     selectMenu.addSeparator();
     selectMenu.add(selectAllSequenceMenuItem);
diff --git a/src/jalview/appletgui/AlignViewport.java b/src/jalview/appletgui/AlignViewport.java
index f543dd9..193c9b0 100755
--- a/src/jalview/appletgui/AlignViewport.java
+++ b/src/jalview/appletgui/AlignViewport.java
@@ -164,6 +164,7 @@ public class AlignViewport
           upperCasebold = true;
         }
       }
+      
 
     }
 
@@ -1442,5 +1443,10 @@ public class AlignViewport
       sg.recalcConservation();
     }
   }
+  boolean centreColumnLabels;
+  public boolean getCentreColumnLabels()
+  {
+    return centreColumnLabels;
+  }
 
 }
diff --git a/src/jalview/appletgui/AnnotationPanel.java b/src/jalview/appletgui/AnnotationPanel.java
index d4055a5..ec5fbd8 100755
--- a/src/jalview/appletgui/AnnotationPanel.java
+++ b/src/jalview/appletgui/AnnotationPanel.java
@@ -42,14 +42,13 @@ public class AnnotationPanel
   static String COLOUR = "Colour";
   static Color HELIX_COLOUR = Color.red.darker();
   static Color SHEET_COLOUR = Color.green.darker().darker();
-
+  
   Image image;
   Graphics gg;
   FontMetrics fm;
   int imgWidth = 0;
 
   boolean fastPaint = false;
-
   public static int GRAPH_HEIGHT = 40;
 
   boolean MAC = false;
@@ -57,7 +56,6 @@ public class AnnotationPanel
   public AnnotationPanel(AlignmentPanel ap)
   {
     MAC = new jalview.util.Platform().isAMac();
-    
     this.ap = ap;
     av = ap.av;
     setLayout(null);
@@ -648,10 +646,13 @@ public class AnnotationPanel
         if (av.validCharWidth && validRes &&
             (row.annotations[column].displayCharacter!=null && row.annotations[column].displayCharacter.length() > 0))
         {
-          int charOffset = (av.charWidth -
-                            fm.charWidth(row.annotations[column].
-                                         displayCharacter.charAt(
-                                             0))) / 2;
+          int charOffset = (av.getCentreColumnLabels()) ? ((av.charWidth -
+                  fm.charsWidth(row.annotations[column].
+                               displayCharacter.toCharArray(),0,
+                               row.annotations[column].
+                               displayCharacter.length())) / 2)
+                               : (av.charWidth - fm.charWidth(row.annotations[column].
+                                       displayCharacter.charAt(0))) / 2;
 
           if (row.annotations[column].colour == null)
             g.setColor(Color.black);
-- 
1.7.10.2