JAL-2089 patch broken merge to master for Release 2.10.0b1
[jalview.git] / src / jalview / gui / AnnotationLabels.java
index 7967ae6..1a9541c 100755 (executable)
@@ -1,33 +1,65 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
- * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
  * Jalview is free software: you can redistribute it and/or
  * modify it under the terms of the GNU General Public License 
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- * 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
  * Jalview is distributed in the hope that it will be useful, but 
  * WITHOUT ANY WARRANTY; without even the implied warranty 
  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
  * PURPOSE.  See the GNU General Public License for more details.
  * 
- * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
  */
 package jalview.gui;
 
-import java.util.*;
+import jalview.analysis.AlignmentUtils;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.Annotation;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.io.FormatAdapter;
+import jalview.util.MessageManager;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Image;
+import java.awt.MediaTracker;
+import java.awt.RenderingHints;
+import java.awt.Toolkit;
+import java.awt.datatransfer.StringSelection;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 import java.util.regex.Pattern;
 
-import java.awt.*;
-import java.awt.datatransfer.*;
-import java.awt.event.*;
-import java.awt.image.*;
-import javax.swing.*;
-
-import jalview.datamodel.*;
-import jalview.io.*;
+import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JMenuItem;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+import javax.swing.SwingUtilities;
+import javax.swing.ToolTipManager;
 
 /**
  * DOCUMENT ME!
@@ -38,21 +70,27 @@ import jalview.io.*;
 public class AnnotationLabels extends JPanel implements MouseListener,
         MouseMotionListener, ActionListener
 {
-  static String TOGGLE_LABELSCALE = "Scale Label to Column";
+  private static final Pattern LEFT_ANGLE_BRACKET_PATTERN = Pattern
+          .compile("<");
 
-  static String ADDNEW = "Add New Row";
+  String TOGGLE_LABELSCALE = MessageManager
+          .getString("label.scale_label_to_column");
 
-  static String EDITNAME = "Edit Label/Description";
+  String ADDNEW = MessageManager.getString("label.add_new_row");
 
-  static String HIDE = "Hide This Row";
+  String EDITNAME = MessageManager
+          .getString("label.edit_label_description");
 
-  static String DELETE = "Delete This Row";
+  String HIDE = MessageManager.getString("label.hide_row");
 
-  static String SHOWALL = "Show All Hidden Rows";
+  String DELETE = MessageManager.getString("label.delete_row");
 
-  static String OUTPUT_TEXT = "Export Annotation";
+  String SHOWALL = MessageManager.getString("label.show_all_hidden_rows");
 
-  static String COPYCONS_SEQ = "Copy Consensus Sequence";
+  String OUTPUT_TEXT = MessageManager.getString("label.export_annotation");
+
+  String COPYCONS_SEQ = MessageManager
+          .getString("label.copy_consensus_sequence");
 
   boolean resizePanel = false;
 
@@ -70,7 +108,7 @@ public class AnnotationLabels extends JPanel implements MouseListener,
 
   int selectedRow;
 
-  int scrollOffset = 0;
+  private int scrollOffset = 0;
 
   Font font = new Font("Arial", Font.PLAIN, 11);
 
@@ -110,10 +148,11 @@ public class AnnotationLabels extends JPanel implements MouseListener,
     Graphics2D g = (Graphics2D) bi.getGraphics();
     g.rotate(Math.toRadians(90));
     g.drawImage(temp, 0, -bi.getWidth(this), this);
-    image = (Image) bi;
+    image = bi;
 
     addMouseListener(this);
     addMouseMotionListener(this);
+    addMouseWheelListener(ap.getAnnotationPanel());
   }
 
   public AnnotationLabels(AlignViewport av)
@@ -143,7 +182,8 @@ public class AnnotationLabels extends JPanel implements MouseListener,
   void getSelectedRow(int y)
   {
     int height = 0;
-    AlignmentAnnotation[] aa = ap.av.alignment.getAlignmentAnnotation();
+    AlignmentAnnotation[] aa = ap.av.getAlignment()
+            .getAlignmentAnnotation();
     selectedRow = -2;
     if (aa != null)
     {
@@ -173,27 +213,35 @@ public class AnnotationLabels extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void actionPerformed(ActionEvent evt)
   {
-    AlignmentAnnotation[] aa = ap.av.alignment.getAlignmentAnnotation();
+    AlignmentAnnotation[] aa = ap.av.getAlignment()
+            .getAlignmentAnnotation();
 
+    boolean fullRepaint = false;
     if (evt.getActionCommand().equals(ADDNEW))
     {
       AlignmentAnnotation newAnnotation = new AlignmentAnnotation(null,
-              null, new Annotation[ap.av.alignment.getWidth()]);
+              null, new Annotation[ap.av.getAlignment().getWidth()]);
 
       if (!editLabelDescription(newAnnotation))
       {
         return;
       }
 
-      ap.av.alignment.addAnnotation(newAnnotation);
-      ap.av.alignment.setAnnotationIndex(newAnnotation, 0);
+      ap.av.getAlignment().addAnnotation(newAnnotation);
+      ap.av.getAlignment().setAnnotationIndex(newAnnotation, 0);
+      fullRepaint = true;
     }
     else if (evt.getActionCommand().equals(EDITNAME))
     {
+      String name = aa[selectedRow].label;
       editLabelDescription(aa[selectedRow]);
-      repaint();
+      if (!name.equalsIgnoreCase(aa[selectedRow].label))
+      {
+        fullRepaint = true;
+      }
     }
     else if (evt.getActionCommand().equals(HIDE))
     {
@@ -201,7 +249,9 @@ public class AnnotationLabels extends JPanel implements MouseListener,
     }
     else if (evt.getActionCommand().equals(DELETE))
     {
-      ap.av.alignment.deleteAnnotation(aa[selectedRow]);
+      ap.av.getAlignment().deleteAnnotation(aa[selectedRow]);
+      ap.av.getCalcManager().removeWorkerForAnnotation(aa[selectedRow]);
+      fullRepaint = true;
     }
     else if (evt.getActionCommand().equals(SHOWALL))
     {
@@ -212,12 +262,12 @@ public class AnnotationLabels extends JPanel implements MouseListener,
           aa[i].visible = true;
         }
       }
+      fullRepaint = true;
     }
     else if (evt.getActionCommand().equals(OUTPUT_TEXT))
     {
       new AnnotationExporter().exportAnnotations(ap,
-              new AlignmentAnnotation[]
-              { aa[selectedRow] }, null, null);
+              new AlignmentAnnotation[] { aa[selectedRow] });
     }
     else if (evt.getActionCommand().equals(COPYCONS_SEQ))
     {
@@ -241,11 +291,30 @@ public class AnnotationLabels extends JPanel implements MouseListener,
       aa[selectedRow].scaleColLabel = !aa[selectedRow].scaleColLabel;
     }
 
-    ap.validateAnnotationDimensions(false);
+    refresh(fullRepaint);
+
+  }
+
+  /**
+   * Redraw sensibly.
+   * 
+   * @adjustHeight if true, try to recalculate panel height for visible
+   *               annotations
+   */
+  protected void refresh(boolean adjustHeight)
+  {
+    ap.validateAnnotationDimensions(adjustHeight);
     ap.addNotify();
-    ap.repaint();
-    //validate();
-    //ap.paintAlignment(true);
+    if (adjustHeight)
+    {
+      // sort, repaint, update overview
+      ap.paintAlignment(true);
+    }
+    else
+    {
+      // lightweight repaint
+      ap.repaint();
+    }
   }
 
   /**
@@ -256,6 +325,7 @@ public class AnnotationLabels extends JPanel implements MouseListener,
    */
   boolean editLabelDescription(AlignmentAnnotation annotation)
   {
+    // TODO i18n
     EditNameDialog dialog = new EditNameDialog(annotation.label,
             annotation.description, "       Annotation Name ",
             "Annotation Description ", "Edit Annotation Name/Description",
@@ -278,241 +348,30 @@ public class AnnotationLabels extends JPanel implements MouseListener,
     return true;
   }
 
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param evt
-   *          DOCUMENT ME!
-   */
+  @Override
   public void mousePressed(MouseEvent evt)
   {
-    getSelectedRow(evt.getY() - scrollOffset);
+    getSelectedRow(evt.getY() - getScrollOffset());
     oldY = evt.getY();
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param evt
-   *          DOCUMENT ME!
-   */
-  public void mouseReleased(MouseEvent evt)
-  {
-    int start = selectedRow;
-    getSelectedRow(evt.getY() - scrollOffset);
-    int end = selectedRow;
-
-    if (start != end)
-    {
-      // Swap these annotations
-      AlignmentAnnotation startAA = ap.av.alignment
-              .getAlignmentAnnotation()[start];
-      if (end == -1)
-      {
-        end = ap.av.alignment.getAlignmentAnnotation().length - 1;
-      }
-      AlignmentAnnotation endAA = ap.av.alignment.getAlignmentAnnotation()[end];
-
-      ap.av.alignment.getAlignmentAnnotation()[end] = startAA;
-      ap.av.alignment.getAlignmentAnnotation()[start] = endAA;
-    }
-
-    resizePanel = false;
-    dragEvent = null;
-    repaint();
-    ap.annotationPanel.repaint();
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param evt
-   *          DOCUMENT ME!
-   */
-  public void mouseEntered(MouseEvent evt)
-  {
-    if (evt.getY() < 10)
-    {
-      resizePanel = true;
-      repaint();
-    }
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param evt
-   *          DOCUMENT ME!
-   */
-  public void mouseExited(MouseEvent evt)
-  {
-    if (dragEvent == null)
-    {
-      resizePanel = false;
-      repaint();
-    }
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param evt
-   *          DOCUMENT ME!
-   */
-  public void mouseDragged(MouseEvent evt)
-  {
-    dragEvent = evt;
-
-    if (resizePanel)
-    {
-      Dimension d = ap.annotationScroller.getPreferredSize();
-      int dif = evt.getY() - oldY;
-
-      dif /= ap.av.charHeight;
-      dif *= ap.av.charHeight;
-
-      if ((d.height - dif) > 20)
-      {
-        ap.annotationScroller.setPreferredSize(new Dimension(d.width,
-                d.height - dif));
-        d = ap.annotationSpaceFillerHolder.getPreferredSize();
-        ap.annotationSpaceFillerHolder.setPreferredSize(new Dimension(
-                d.width, d.height - dif));
-        ap.paintAlignment(true);
-      }
-
-      ap.addNotify();
-    }
-    else
-    {
-      repaint();
-    }
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param evt
-   *          DOCUMENT ME!
-   */
-  public void mouseMoved(MouseEvent evt)
-  {
-    resizePanel = evt.getY() < 10;
-
-    getSelectedRow(evt.getY() - scrollOffset);
-
-    if (selectedRow > -1
-            && ap.av.alignment.getAlignmentAnnotation().length > selectedRow)
+    if (evt.isPopupTrigger())
     {
-      AlignmentAnnotation aa = ap.av.alignment.getAlignmentAnnotation()[selectedRow];
-      
-      StringBuffer desc = new StringBuffer();
-      if (aa.description != null
-              && !aa.description.equals("New description"))
-      {
-        // TODO: we could refactor and merge this code with the code in jalview.gui.SeqPanel.mouseMoved(..) that formats sequence feature tooltips
-        desc.append(aa.getDescription(true).trim());
-        // check to see if the description is an html fragment.
-        if (desc.length()<6 || (desc.substring(0,6).toLowerCase().indexOf("<html>")<0))
-        {
-          // clean the description ready for embedding in html
-          desc = new StringBuffer(Pattern.compile("<").matcher(desc).replaceAll("&lt;"));        
-          desc.insert(0, "<html>");
-        } else {
-               // remove terminating html if any
-               int i=desc.substring(desc.length()-7).toLowerCase().lastIndexOf("</html>");
-               if (i>-1) {
-                 desc.setLength(desc.length()-7+i);
-               }
-        }
-        if (aa.hasScore())
-        {
-          desc.append("<br/>");
-        }
-        
-        
-      } else {
-        // begin the tooltip's html fragment
-        desc.append("<html>");
-      }
-      if (aa.hasScore())
-      {
-        // TODO: limit precision of score to avoid noise from imprecise doubles (64.7 becomes 64.7+/some tiny value).
-        desc.append(" Score: " + aa.score);
-      }
-
-      if (desc.length() > 6)
-      {
-        desc.append("</html>");
-        this.setToolTipText(desc.toString());
-      }
-      else
-        this.setToolTipText(null);
+      showPopupMenu(evt);
     }
-
   }
 
   /**
-   * DOCUMENT ME!
+   * Build and show the Pop-up menu at the right-click mouse position
    * 
    * @param evt
-   *          DOCUMENT ME!
    */
-  public void mouseClicked(MouseEvent evt)
+  void showPopupMenu(MouseEvent evt)
   {
-    AlignmentAnnotation[] aa = ap.av.alignment.getAlignmentAnnotation();
-    if (SwingUtilities.isLeftMouseButton(evt))
-    {
-      if (selectedRow > -1 && selectedRow < aa.length)
-      {
-        if (aa[selectedRow].groupRef != null)
-        {
-          if (evt.getClickCount() >= 2)
-          {
-            // todo: make the ap scroll to the selection - not necessary, first click highlights/scrolls, second selects
-            ap.seqPanel.ap.idPanel.highlightSearchResults(null);
-            ap.av.setSelectionGroup(// new SequenceGroup(
-            aa[selectedRow].groupRef); // );
-            ap.paintAlignment(false);
-            PaintRefresher.Refresh(ap, ap.av.getSequenceSetId());
-            ap.av.sendSelection();
-          }
-          else
-          {
-            ap.seqPanel.ap.idPanel
-                    .highlightSearchResults(aa[selectedRow].groupRef
-                            .getSequences(null));
-          }
-          return;
-        }
-        else if (aa[selectedRow].sequenceRef != null)
-        {
-          Vector sr = new Vector();
-          sr.addElement(aa[selectedRow].sequenceRef);
-          if (evt.getClickCount() == 1)
-          {
-            ap.seqPanel.ap.idPanel.highlightSearchResults(sr);
-          }
-          else if (evt.getClickCount() >= 2)
-          {
-            ap.seqPanel.ap.idPanel.highlightSearchResults(null);
-            SequenceGroup sg = new SequenceGroup();
-            sg.addSequence(aa[selectedRow].sequenceRef, false);
-            ap.av.setSelectionGroup(sg);
-            ap.av.sendSelection();
-            ap.paintAlignment(false);
-            PaintRefresher.Refresh(ap, ap.av.getSequenceSetId());
-          }
+    evt.consume();
+    final AlignmentAnnotation[] aa = ap.av.getAlignment()
+            .getAlignmentAnnotation();
 
-        }
-      }
-    }
-    if (!SwingUtilities.isRightMouseButton(evt))
-    {
-      return;
-    }
-
-    JPopupMenu pop = new JPopupMenu("Annotations");
+    JPopupMenu pop = new JPopupMenu(
+            MessageManager.getString("label.annotations"));
     JMenuItem item = new JMenuItem(ADDNEW);
     item.addActionListener(this);
     pop.add(item);
@@ -533,6 +392,39 @@ public class AnnotationLabels extends JPanel implements MouseListener,
     item = new JMenuItem(HIDE);
     item.addActionListener(this);
     pop.add(item);
+    // JAL-1264 hide all sequence-specific annotations of this type
+    if (selectedRow < aa.length)
+    {
+      if (aa[selectedRow].sequenceRef != null)
+      {
+        final String label = aa[selectedRow].label;
+        JMenuItem hideType = new JMenuItem();
+        String text = MessageManager.getString("label.hide_all") + " "
+                + label;
+        hideType.setText(text);
+        hideType.addActionListener(new ActionListener()
+        {
+          @Override
+          public void actionPerformed(ActionEvent e)
+          {
+            AlignmentUtils.showOrHideSequenceAnnotations(
+                    ap.av.getAlignment(), Collections.singleton(label),
+                    null, false, false);
+            // for (AlignmentAnnotation ann : ap.av.getAlignment()
+            // .getAlignmentAnnotation())
+            // {
+            // if (ann.sequenceRef != null && ann.label != null
+            // && ann.label.equals(label))
+            // {
+            // ann.visible = false;
+            // }
+            // }
+            refresh(true);
+          }
+        });
+        pop.add(hideType);
+      }
+    }
     item = new JMenuItem(DELETE);
     item.addActionListener(this);
     pop.add(item);
@@ -549,6 +441,7 @@ public class AnnotationLabels extends JPanel implements MouseListener,
     // property methods
     if (selectedRow < aa.length)
     {
+      final String label = aa[selectedRow].label;
       if (!aa[selectedRow].autoCalculated)
       {
         if (aa[selectedRow].graph == AlignmentAnnotation.NO_GRAPH)
@@ -562,30 +455,33 @@ public class AnnotationLabels extends JPanel implements MouseListener,
           pop.add(item);
         }
       }
-      else if (aa[selectedRow].label.indexOf("Consensus") > -1)
+      else if (label.indexOf("Consensus") > -1)
       {
         pop.addSeparator();
         // av and sequencegroup need to implement same interface for
         final JCheckBoxMenuItem cbmi = new JCheckBoxMenuItem(
-                "Ignore Gaps In Consensus",
+                MessageManager.getString("label.ignore_gaps_consensus"),
                 (aa[selectedRow].groupRef != null) ? aa[selectedRow].groupRef
                         .getIgnoreGapsConsensus() : ap.av
-                        .getIgnoreGapsConsensus());
+                        .isIgnoreGapsConsensus());
         final AlignmentAnnotation aaa = aa[selectedRow];
         cbmi.addActionListener(new ActionListener()
         {
+          @Override
           public void actionPerformed(ActionEvent e)
           {
             if (aaa.groupRef != null)
             {
               // TODO: pass on reference to ap so the view can be updated.
               aaa.groupRef.setIgnoreGapsConsensus(cbmi.getState());
-              ap.annotationPanel.paint(ap.annotationPanel.getGraphics());
+              ap.getAnnotationPanel().paint(
+                      ap.getAnnotationPanel().getGraphics());
             }
             else
             {
               ap.av.setIgnoreGapsConsensus(cbmi.getState(), ap);
             }
+            ap.alignmentChanged();
           }
         });
         pop.add(cbmi);
@@ -593,10 +489,11 @@ public class AnnotationLabels extends JPanel implements MouseListener,
         if (aaa.groupRef != null)
         {
           final JCheckBoxMenuItem chist = new JCheckBoxMenuItem(
-                  "Show Group Histogram",
+                  MessageManager.getString("label.show_group_histogram"),
                   aa[selectedRow].groupRef.isShowConsensusHistogram());
           chist.addActionListener(new ActionListener()
           {
+            @Override
             public void actionPerformed(ActionEvent e)
             {
               // TODO: pass on reference
@@ -612,10 +509,11 @@ public class AnnotationLabels extends JPanel implements MouseListener,
           });
           pop.add(chist);
           final JCheckBoxMenuItem cprofl = new JCheckBoxMenuItem(
-                  "Show Group Logo",
+                  MessageManager.getString("label.show_group_logo"),
                   aa[selectedRow].groupRef.isShowSequenceLogo());
           cprofl.addActionListener(new ActionListener()
           {
+            @Override
             public void actionPerformed(ActionEvent e)
             {
               // TODO: pass on reference
@@ -631,13 +529,14 @@ public class AnnotationLabels extends JPanel implements MouseListener,
           });
           pop.add(cprofl);
           final JCheckBoxMenuItem cproflnorm = new JCheckBoxMenuItem(
-                  "Normalise Group Logo",
+                  MessageManager.getString("label.normalise_group_logo"),
                   aa[selectedRow].groupRef.isNormaliseSequenceLogo());
           cproflnorm.addActionListener(new ActionListener()
           {
+            @Override
             public void actionPerformed(ActionEvent e)
             {
-              
+
               // TODO: pass on reference
               // to ap
               // so the
@@ -656,9 +555,11 @@ public class AnnotationLabels extends JPanel implements MouseListener,
         else
         {
           final JCheckBoxMenuItem chist = new JCheckBoxMenuItem(
-                  "Show Histogram", av.isShowConsensusHistogram());
+                  MessageManager.getString("label.show_histogram"),
+                  av.isShowConsensusHistogram());
           chist.addActionListener(new ActionListener()
           {
+            @Override
             public void actionPerformed(ActionEvent e)
             {
               // TODO: pass on reference
@@ -675,9 +576,11 @@ public class AnnotationLabels extends JPanel implements MouseListener,
           });
           pop.add(chist);
           final JCheckBoxMenuItem cprof = new JCheckBoxMenuItem(
-                  "Show Logo", av.isShowSequenceLogo());
+                  MessageManager.getString("label.show_logo"),
+                  av.isShowSequenceLogo());
           cprof.addActionListener(new ActionListener()
           {
+            @Override
             public void actionPerformed(ActionEvent e)
             {
               // TODO: pass on reference
@@ -694,9 +597,11 @@ public class AnnotationLabels extends JPanel implements MouseListener,
           });
           pop.add(cprof);
           final JCheckBoxMenuItem cprofnorm = new JCheckBoxMenuItem(
-                  "Normalise Logo", av.isNormaliseSequenceLogo());
+                  MessageManager.getString("label.normalise_logo"),
+                  av.isNormaliseSequenceLogo());
           cprofnorm.addActionListener(new ActionListener()
           {
+            @Override
             public void actionPerformed(ActionEvent e)
             {
               // TODO: pass on reference
@@ -723,6 +628,325 @@ public class AnnotationLabels extends JPanel implements MouseListener,
   }
 
   /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  @Override
+  public void mouseReleased(MouseEvent evt)
+  {
+    if (evt.isPopupTrigger())
+    {
+      showPopupMenu(evt);
+      return;
+    }
+
+    int start = selectedRow;
+    getSelectedRow(evt.getY() - getScrollOffset());
+    int end = selectedRow;
+
+    if (start != end)
+    {
+      // Swap these annotations
+      AlignmentAnnotation startAA = ap.av.getAlignment()
+              .getAlignmentAnnotation()[start];
+      if (end == -1)
+      {
+        end = ap.av.getAlignment().getAlignmentAnnotation().length - 1;
+      }
+      AlignmentAnnotation endAA = ap.av.getAlignment()
+              .getAlignmentAnnotation()[end];
+
+      ap.av.getAlignment().getAlignmentAnnotation()[end] = startAA;
+      ap.av.getAlignment().getAlignmentAnnotation()[start] = endAA;
+    }
+
+    resizePanel = false;
+    dragEvent = null;
+    repaint();
+    ap.getAnnotationPanel().repaint();
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  @Override
+  public void mouseEntered(MouseEvent evt)
+  {
+    if (evt.getY() < 10)
+    {
+      resizePanel = true;
+      repaint();
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  @Override
+  public void mouseExited(MouseEvent evt)
+  {
+    if (dragEvent == null)
+    {
+      resizePanel = false;
+      repaint();
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  @Override
+  public void mouseDragged(MouseEvent evt)
+  {
+    dragEvent = evt;
+
+    if (resizePanel)
+    {
+      Dimension d = ap.annotationScroller.getPreferredSize();
+      int dif = evt.getY() - oldY;
+
+      dif /= ap.av.getCharHeight();
+      dif *= ap.av.getCharHeight();
+
+      if ((d.height - dif) > 20)
+      {
+        ap.annotationScroller.setPreferredSize(new Dimension(d.width,
+                d.height - dif));
+        d = ap.annotationSpaceFillerHolder.getPreferredSize();
+        ap.annotationSpaceFillerHolder.setPreferredSize(new Dimension(
+                d.width, d.height - dif));
+        ap.paintAlignment(true);
+      }
+
+      ap.addNotify();
+    }
+    else
+    {
+      repaint();
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  @Override
+  public void mouseMoved(MouseEvent evt)
+  {
+    resizePanel = evt.getY() < 10;
+
+    getSelectedRow(evt.getY() - getScrollOffset());
+
+    if (selectedRow > -1
+            && ap.av.getAlignment().getAlignmentAnnotation().length > selectedRow)
+    {
+      AlignmentAnnotation aa = ap.av.getAlignment()
+              .getAlignmentAnnotation()[selectedRow];
+
+      StringBuffer desc = new StringBuffer();
+      if (aa.description != null
+              && !aa.description.equals("New description"))
+      {
+        // TODO: we could refactor and merge this code with the code in
+        // jalview.gui.SeqPanel.mouseMoved(..) that formats sequence feature
+        // tooltips
+        desc.append(aa.getDescription(true).trim());
+        // check to see if the description is an html fragment.
+        if (desc.length() < 6
+                || (desc.substring(0, 6).toLowerCase().indexOf("<html>") < 0))
+        {
+          // clean the description ready for embedding in html
+          desc = new StringBuffer(LEFT_ANGLE_BRACKET_PATTERN.matcher(desc)
+                  .replaceAll("&lt;"));
+          desc.insert(0, "<html>");
+        }
+        else
+        {
+          // remove terminating html if any
+          int i = desc.substring(desc.length() - 7).toLowerCase()
+                  .lastIndexOf("</html>");
+          if (i > -1)
+          {
+            desc.setLength(desc.length() - 7 + i);
+          }
+        }
+        if (aa.hasScore())
+        {
+          desc.append("<br/>");
+        }
+        // if (aa.hasProperties())
+        // {
+        // desc.append("<table>");
+        // for (String prop : aa.getProperties())
+        // {
+        // desc.append("<tr><td>" + prop + "</td><td>"
+        // + aa.getProperty(prop) + "</td><tr>");
+        // }
+        // desc.append("</table>");
+        // }
+      }
+      else
+      {
+        // begin the tooltip's html fragment
+        desc.append("<html>");
+        if (aa.hasScore())
+        {
+          // TODO: limit precision of score to avoid noise from imprecise
+          // doubles
+          // (64.7 becomes 64.7+/some tiny value).
+          desc.append(" Score: " + aa.score);
+        }
+      }
+      if (desc.length() > 6)
+      {
+        desc.append("</html>");
+        this.setToolTipText(desc.toString());
+      }
+      else
+      {
+        this.setToolTipText(null);
+      }
+    }
+  }
+
+  @Override
+  public void mouseClicked(MouseEvent evt)
+  {
+    final AlignmentAnnotation[] aa = ap.av.getAlignment()
+            .getAlignmentAnnotation();
+    if (!evt.isPopupTrigger() && SwingUtilities.isLeftMouseButton(evt))
+    {
+      if (selectedRow > -1 && selectedRow < aa.length)
+      {
+        if (aa[selectedRow].groupRef != null)
+        {
+          if (evt.getClickCount() >= 2)
+          {
+            // todo: make the ap scroll to the selection - not necessary, first
+            // click highlights/scrolls, second selects
+            ap.getSeqPanel().ap.getIdPanel().highlightSearchResults(null);
+            // process modifiers
+            SequenceGroup sg = ap.av.getSelectionGroup();
+            if (sg == null
+                    || sg == aa[selectedRow].groupRef
+                    || !(jalview.util.Platform.isControlDown(evt) || evt
+                            .isShiftDown()))
+            {
+              if (jalview.util.Platform.isControlDown(evt)
+                      || evt.isShiftDown())
+              {
+                // clone a new selection group from the associated group
+                ap.av.setSelectionGroup(new SequenceGroup(
+                        aa[selectedRow].groupRef));
+              }
+              else
+              {
+                // set selection to the associated group so it can be edited
+                ap.av.setSelectionGroup(aa[selectedRow].groupRef);
+              }
+            }
+            else
+            {
+              // modify current selection with associated group
+              int remainToAdd = aa[selectedRow].groupRef.getSize();
+              for (SequenceI sgs : aa[selectedRow].groupRef.getSequences())
+              {
+                if (jalview.util.Platform.isControlDown(evt))
+                {
+                  sg.addOrRemove(sgs, --remainToAdd == 0);
+                }
+                else
+                {
+                  // notionally, we should also add intermediate sequences from
+                  // last added sequence ?
+                  sg.addSequence(sgs, --remainToAdd == 0);
+                }
+              }
+            }
+
+            ap.paintAlignment(false);
+            PaintRefresher.Refresh(ap, ap.av.getSequenceSetId());
+            ap.av.sendSelection();
+          }
+          else
+          {
+            ap.getSeqPanel().ap.getIdPanel().highlightSearchResults(
+                    aa[selectedRow].groupRef.getSequences(null));
+          }
+          return;
+        }
+        else if (aa[selectedRow].sequenceRef != null)
+        {
+          if (evt.getClickCount() == 1)
+          {
+            ap.getSeqPanel().ap
+                    .getIdPanel()
+                    .highlightSearchResults(
+                            Arrays.asList(new SequenceI[] { aa[selectedRow].sequenceRef }));
+          }
+          else if (evt.getClickCount() >= 2)
+          {
+            ap.getSeqPanel().ap.getIdPanel().highlightSearchResults(null);
+            SequenceGroup sg = ap.av.getSelectionGroup();
+            if (sg != null)
+            {
+              // we make a copy rather than edit the current selection if no
+              // modifiers pressed
+              // see Enhancement JAL-1557
+              if (!(jalview.util.Platform.isControlDown(evt) || evt
+                      .isShiftDown()))
+              {
+                sg = new SequenceGroup(sg);
+                sg.clear();
+                sg.addSequence(aa[selectedRow].sequenceRef, false);
+              }
+              else
+              {
+                if (jalview.util.Platform.isControlDown(evt))
+                {
+                  sg.addOrRemove(aa[selectedRow].sequenceRef, true);
+                }
+                else
+                {
+                  // notionally, we should also add intermediate sequences from
+                  // last added sequence ?
+                  sg.addSequence(aa[selectedRow].sequenceRef, true);
+                }
+              }
+            }
+            else
+            {
+              sg = new SequenceGroup();
+              sg.setStartRes(0);
+              sg.setEndRes(ap.av.getAlignment().getWidth() - 1);
+              sg.addSequence(aa[selectedRow].sequenceRef, false);
+            }
+            ap.av.setSelectionGroup(sg);
+            ap.paintAlignment(false);
+            PaintRefresher.Refresh(ap, ap.av.getSequenceSetId());
+            ap.av.sendSelection();
+          }
+
+        }
+      }
+      return;
+    }
+  }
+
+  /**
    * do a single sequence copy to jalview and the system clipboard
    * 
    * @param sq
@@ -730,11 +954,9 @@ public class AnnotationLabels extends JPanel implements MouseListener,
    */
   protected void copy_annotseqtoclipboard(SequenceI sq)
   {
-    SequenceI[] seqs = new SequenceI[]
-    { sq };
+    SequenceI[] seqs = new SequenceI[] { sq };
     String[] omitHidden = null;
-    SequenceI[] dseqs = new SequenceI[]
-    { sq.getDatasetSequence() };
+    SequenceI[] dseqs = new SequenceI[] { sq.getDatasetSequence() };
     if (dseqs[0] == null)
     {
       dseqs[0] = new Sequence(sq);
@@ -744,34 +966,39 @@ public class AnnotationLabels extends JPanel implements MouseListener,
       sq.setDatasetSequence(dseqs[0]);
     }
     Alignment ds = new Alignment(dseqs);
-    if (av.hasHiddenColumns)
+    if (av.hasHiddenColumns())
     {
       omitHidden = av.getColumnSelection().getVisibleSequenceStrings(0,
               sq.getLength(), seqs);
     }
 
+    int[] alignmentStartEnd = new int[] { 0, ds.getWidth() - 1 };
+    List<int[]> hiddenCols = av.getColumnSelection().getHiddenColumns();
+    if (hiddenCols != null)
+    {
+      alignmentStartEnd = av.getAlignment().getVisibleStartAndEndIndex(
+              hiddenCols);
+    }
     String output = new FormatAdapter().formatSequences("Fasta", seqs,
-            omitHidden);
+            omitHidden, alignmentStartEnd);
 
     Toolkit.getDefaultToolkit().getSystemClipboard()
             .setContents(new StringSelection(output), Desktop.instance);
 
-    Vector hiddenColumns = null;
-    if (av.hasHiddenColumns)
+    ArrayList<int[]> hiddenColumns = null;
+    if (av.hasHiddenColumns())
     {
-      hiddenColumns = new Vector();
-      for (int i = 0; i < av.getColumnSelection().getHiddenColumns().size(); i++)
+      hiddenColumns = new ArrayList<int[]>();
+      for (int[] region : av.getColumnSelection().getHiddenColumns())
       {
-        int[] region = (int[]) av.getColumnSelection().getHiddenColumns()
-                .elementAt(i);
-
-        hiddenColumns.addElement(new int[]
-        { region[0], region[1] });
+        hiddenColumns.add(new int[] { region[0], region[1] });
       }
     }
 
-    Desktop.jalviewClipboard = new Object[]
-    { seqs, ds, // what is the dataset of a consensus sequence ? need to flag
+    Desktop.jalviewClipboard = new Object[] { seqs, ds, // what is the dataset
+                                                        // of a consensus
+                                                        // sequence ? need to
+                                                        // flag
         // sequence as special.
         hiddenColumns };
   }
@@ -782,6 +1009,7 @@ public class AnnotationLabels extends JPanel implements MouseListener,
    * @param g1
    *          DOCUMENT ME!
    */
+  @Override
   public void paintComponent(Graphics g)
   {
 
@@ -798,18 +1026,41 @@ public class AnnotationLabels extends JPanel implements MouseListener,
               RenderingHints.VALUE_ANTIALIAS_ON);
     }
 
-    drawComponent(g2, width);
+    drawComponent(g2, true, width);
 
   }
 
   /**
-   * DOCUMENT ME!
+   * Draw the full set of annotation Labels for the alignment at the given
+   * cursor
    * 
    * @param g
-   *          DOCUMENT ME!
+   *          Graphics2D instance (needed for font scaling)
+   * @param width
+   *          Width for scaling labels
+   * 
    */
   public void drawComponent(Graphics g, int width)
   {
+    drawComponent(g, false, width);
+  }
+
+  private final boolean debugRedraw = false;
+
+  /**
+   * Draw the full set of annotation Labels for the alignment at the given
+   * cursor
+   * 
+   * @param g
+   *          Graphics2D instance (needed for font scaling)
+   * @param clip
+   *          - true indicates that only current visible area needs to be
+   *          rendered
+   * @param width
+   *          Width for scaling labels
+   */
+  public void drawComponent(Graphics g, boolean clip, int width)
+  {
     if (av.getFont().getSize() < 10)
     {
       g.setFont(font);
@@ -823,30 +1074,74 @@ public class AnnotationLabels extends JPanel implements MouseListener,
     g.setColor(Color.white);
     g.fillRect(0, 0, getWidth(), getHeight());
 
-    g.translate(0, scrollOffset);
+    g.translate(0, getScrollOffset());
     g.setColor(Color.black);
 
-    AlignmentAnnotation[] aa = av.alignment.getAlignmentAnnotation();
+    AlignmentAnnotation[] aa = av.getAlignment().getAlignmentAnnotation();
     int fontHeight = g.getFont().getSize();
     int y = 0;
     int x = 0;
     int graphExtras = 0;
     int offset = 0;
-
+    Font baseFont = g.getFont();
+    FontMetrics baseMetrics = fm;
+    int ofontH = fontHeight;
+    int sOffset = 0;
+    int visHeight = 0;
+    int[] visr = (ap != null && ap.getAnnotationPanel() != null) ? ap
+            .getAnnotationPanel().getVisibleVRange() : null;
+    if (clip && visr != null)
+    {
+      sOffset = visr[0];
+      visHeight = visr[1];
+    }
+    boolean visible = true, before = false, after = false;
     if (aa != null)
     {
       hasHiddenRows = false;
+      int olY = 0;
       for (int i = 0; i < aa.length; i++)
       {
-        g.setColor(Color.black);
-
+        visible = true;
         if (!aa[i].visible)
         {
           hasHiddenRows = true;
           continue;
         }
-
+        olY = y;
         y += aa[i].height;
+        if (clip)
+        {
+          if (y < sOffset)
+          {
+            if (!before)
+            {
+              if (debugRedraw)
+              {
+                System.out.println("before vis: " + i);
+              }
+              before = true;
+            }
+            // don't draw what isn't visible
+            continue;
+          }
+          if (olY > visHeight)
+          {
+
+            if (!after)
+            {
+              if (debugRedraw)
+              {
+                System.out.println("Scroll offset: " + sOffset
+                        + " after vis: " + i);
+              }
+              after = true;
+            }
+            // don't draw what isn't visible
+            continue;
+          }
+        }
+        g.setColor(Color.black);
 
         offset = -aa[i].height / 2;
 
@@ -856,13 +1151,17 @@ public class AnnotationLabels extends JPanel implements MouseListener,
           offset -= fm.getDescent();
         }
         else
+        {
           offset += fm.getDescent();
+        }
 
         x = width - fm.stringWidth(aa[i].label) - 3;
 
         if (aa[i].graphGroup > -1)
         {
           int groupSize = 0;
+          // TODO: JAL-1291 revise rendering model so the graphGroup map is
+          // computed efficiently for all visible labels
           for (int gg = 0; gg < aa.length; gg++)
           {
             if (aa[gg].graphGroup == aa[i].graphGroup)
@@ -870,30 +1169,55 @@ public class AnnotationLabels extends JPanel implements MouseListener,
               groupSize++;
             }
           }
-
           if (groupSize * (fontHeight + 8) < aa[i].height)
           {
             graphExtras = (aa[i].height - (groupSize * (fontHeight + 8))) / 2;
           }
-
-          for (int gg = 0; gg < aa.length; gg++)
+          else
           {
-            if (aa[gg].graphGroup == aa[i].graphGroup)
+            // scale font to fit
+            float h = aa[i].height / (float) groupSize, s;
+            if (h < 9)
+            {
+              visible = false;
+            }
+            else
+            {
+              fontHeight = -8 + (int) h;
+              s = ((float) fontHeight) / (float) ofontH;
+              Font f = baseFont.deriveFont(AffineTransform
+                      .getScaleInstance(s, s));
+              g.setFont(f);
+              fm = g.getFontMetrics();
+              graphExtras = (aa[i].height - (groupSize * (fontHeight + 8))) / 2;
+            }
+          }
+          if (visible)
+          {
+            for (int gg = 0; gg < aa.length; gg++)
             {
-              x = width - fm.stringWidth(aa[gg].label) - 3;
-              g.drawString(aa[gg].label, x, y - graphExtras);
-              if (aa[gg].annotations[0] != null)
+              if (aa[gg].graphGroup == aa[i].graphGroup)
               {
-                g.setColor(aa[gg].annotations[0].colour);
-              }
+                x = width - fm.stringWidth(aa[gg].label) - 3;
+                g.drawString(aa[gg].label, x, y - graphExtras);
 
-              g.drawLine(x, y - graphExtras - 3,
-                      x + fm.stringWidth(aa[gg].label), y - graphExtras - 3);
+                if (aa[gg]._linecolour != null)
+                {
 
-              g.setColor(Color.black);
-              graphExtras += fontHeight + 8;
+                  g.setColor(aa[gg]._linecolour);
+                  g.drawLine(x, y - graphExtras + 3,
+                          x + fm.stringWidth(aa[gg].label), y - graphExtras
+                                  + 3);
+                }
+
+                g.setColor(Color.black);
+                graphExtras += fontHeight + 8;
+              }
             }
           }
+          g.setFont(baseFont);
+          fm = baseMetrics;
+          fontHeight = ofontH;
         }
         else
         {
@@ -904,19 +1228,25 @@ public class AnnotationLabels extends JPanel implements MouseListener,
 
     if (resizePanel)
     {
-      g.drawImage(image, 2, 0 - scrollOffset, this);
+      g.drawImage(image, 2, 0 - getScrollOffset(), this);
     }
     else if (dragEvent != null && aa != null)
     {
       g.setColor(Color.lightGray);
       g.drawString(aa[selectedRow].label, dragEvent.getX(),
-              dragEvent.getY() - scrollOffset);
+              dragEvent.getY() - getScrollOffset());
     }
 
-    if ((aa == null) || (aa.length < 1))
+    if (!av.getWrapAlignment() && ((aa == null) || (aa.length < 1)))
     {
-      g.drawString("Right click", 2, 8);
-      g.drawString("to add annotation", 2, 18);
+      g.drawString(MessageManager.getString("label.right_click"), 2, 8);
+      g.drawString(MessageManager.getString("label.to_add_annotation"), 2,
+              18);
     }
   }
+
+  public int getScrollOffset()
+  {
+    return scrollOffset;
+  }
 }