JAL-1645 Version-Rel Version 2.9 Year-Rel 2015 Licensing glob
[jalview.git] / src / jalview / gui / AnnotationLabels.java
index 50849e1..60324e5 100755 (executable)
-/*\r
- * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
- *\r
- * This program is free software; you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License\r
- * as published by the Free Software Foundation; either version 2\r
- * of the License, or (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
- */\r
-package jalview.gui;\r
-\r
-import jalview.datamodel.*;\r
-\r
-import java.awt.*;\r
-import java.awt.event.*;\r
-import java.awt.image.*;\r
-\r
-import javax.swing.*;\r
-\r
-\r
-/**\r
- * DOCUMENT ME!\r
- *\r
- * @author $author$\r
- * @version $Revision$\r
- */\r
-public class AnnotationLabels extends JPanel implements MouseListener,\r
-    MouseMotionListener, ActionListener\r
-{\r
-    static String ADDNEW = "Add New Row";\r
-    static String HIDE = "Hide This Row";\r
-    static String DELETE = "Delete This Row";\r
-    static String SHOWALL = "Show All Hidden Rows";\r
-    static String OUTPUT_TEXT = "Show Values In Textbox";\r
-    boolean resizePanel = false;\r
-    Image image;\r
-    AlignmentPanel ap;\r
-    AlignViewport av;\r
-    boolean resizing = false;\r
-    MouseEvent dragEvent;\r
-    int oldY;\r
-    int selectedRow;\r
-    int scrollOffset = 0;\r
-    Font font = new Font("Arial", Font.PLAIN, 11);\r
-\r
-\r
-    /**\r
-     * Creates a new AnnotationLabels object.\r
-     *\r
-     * @param ap DOCUMENT ME!\r
-     */\r
-    public AnnotationLabels(AlignmentPanel ap)\r
-    {\r
-        this.ap = ap;\r
-        av = ap.av;\r
-\r
-        java.net.URL url = getClass().getResource("/images/idwidth.gif");\r
-        Image temp = null;\r
-\r
-        if (url != null)\r
-        {\r
-            temp = java.awt.Toolkit.getDefaultToolkit().createImage(url);\r
-        }\r
-\r
-        try\r
-        {\r
-            MediaTracker mt = new MediaTracker(this);\r
-            mt.addImage(temp, 0);\r
-            mt.waitForID(0);\r
-        }\r
-        catch (Exception ex)\r
-        {\r
-        }\r
-\r
-        BufferedImage bi = new BufferedImage(temp.getHeight(this),\r
-                temp.getWidth(this), BufferedImage.TYPE_INT_RGB);\r
-        Graphics2D g = (Graphics2D) bi.getGraphics();\r
-        g.rotate(Math.toRadians(90));\r
-        g.drawImage(temp, 0, -bi.getWidth(this), this);\r
-        image = (Image) bi;\r
-\r
-        addMouseListener(this);\r
-        addMouseMotionListener(this);\r
-    }\r
-\r
-    public AnnotationLabels(AlignViewport av)\r
-    {\r
-      this.av = av;\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param y DOCUMENT ME!\r
-     */\r
-    public void setScrollOffset(int y)\r
-    {\r
-        scrollOffset = y;\r
-        repaint();\r
-    }\r
-\r
-    void getSelectedRow(int y)\r
-    {\r
-      int height = 0;\r
-      AlignmentAnnotation[] aa = ap.av.alignment.getAlignmentAnnotation();\r
-\r
-      for (int i = 0; i < aa.length; i++)\r
-      {\r
-        if (!aa[i].visible)\r
-        {\r
-          continue;\r
-        }\r
-\r
-        height += aa[i].height;\r
-\r
-        if (y < height)\r
-        {\r
-          selectedRow = i;\r
-\r
-          break;\r
-        }\r
-      }\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void actionPerformed(ActionEvent evt)\r
-    {\r
-        int dif = 0;\r
-        AlignmentAnnotation[] aa = ap.av.alignment.getAlignmentAnnotation();\r
-\r
-        if (evt.getActionCommand().equals(ADDNEW))\r
-        {\r
-            String label = JOptionPane.showInputDialog(this,\r
-                    "Label for annotation");\r
-\r
-            if (label == null)\r
-            {\r
-                label = "";\r
-            }\r
-\r
-            AlignmentAnnotation newAnnotation = new AlignmentAnnotation(label,\r
-                    "New description",\r
-                    new Annotation[ap.av.alignment.getWidth()]);\r
-\r
-            ap.av.alignment.addAnnotation(newAnnotation);\r
-            ap.av.alignment.setAnnotationIndex(newAnnotation, 0);\r
-            dif = aa[aa.length - 1].height;\r
-        }\r
-        else if (evt.getActionCommand().equals(HIDE))\r
-        {\r
-            aa[selectedRow].visible = false;\r
-\r
-            if (aa[selectedRow].label.equals("Conservation"))\r
-            {\r
-                ap.av.showConservation = false;\r
-            }\r
-\r
-            if (aa[selectedRow].label.equals("Quality"))\r
-            {\r
-                ap.av.showQuality = false;\r
-            }\r
-\r
-            if (aa[selectedRow].label.equals("Consensus"))\r
-            {\r
-                ap.av.showIdentity = false;\r
-            }\r
-\r
-            dif = aa[selectedRow].height * -1;\r
-        }\r
-        else if (evt.getActionCommand().equals(DELETE))\r
-        {\r
-            ap.av.alignment.deleteAnnotation(aa[selectedRow]);\r
-            dif = aa[selectedRow].height * -1;\r
-        }\r
-        else if (evt.getActionCommand().equals(SHOWALL))\r
-        {\r
-            for (int i = 0; i < aa.length; i++)\r
-            {\r
-                if (!aa[i].visible)\r
-                {\r
-                    dif += aa[i].height;\r
-                    aa[i].visible = true;\r
-                }\r
-            }\r
-        }\r
-        else if (evt.getActionCommand().equals(OUTPUT_TEXT))\r
-        {\r
-            CutAndPasteTransfer cap = new CutAndPasteTransfer();\r
-            Desktop.addInternalFrame(cap,\r
-                ap.alignFrame.getTitle() + " - " + aa[selectedRow].label, 500,\r
-                100);\r
-            cap.setText(aa[selectedRow].toString());\r
-        }\r
-\r
-\r
-        ap.annotationPanel.adjustPanelHeight();\r
-        ap.annotationScroller.validate();\r
-        ap.repaint();\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void mousePressed(MouseEvent evt)\r
-    {\r
-        getSelectedRow(evt.getY() - scrollOffset);\r
-        oldY = evt.getY();\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void mouseReleased(MouseEvent evt)\r
-    {\r
-        int start = selectedRow;\r
-        getSelectedRow(evt.getY() - scrollOffset);\r
-        int end = selectedRow;\r
-\r
-        if(start!=end)\r
-        {\r
-          //Swap these annotations\r
-          AlignmentAnnotation startAA = ap.av.alignment.getAlignmentAnnotation()[start];\r
-          AlignmentAnnotation endAA = ap.av.alignment.getAlignmentAnnotation()[end];\r
-\r
-\r
-          ap.av.alignment.getAlignmentAnnotation()[end] = startAA;\r
-          ap.av.alignment.getAlignmentAnnotation()[start] = endAA;\r
-        }\r
-\r
-        resizePanel = false;\r
-        dragEvent = null;\r
-        repaint();\r
-        ap.annotationPanel.repaint();\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void mouseEntered(MouseEvent evt)\r
-    {\r
-      if(evt.getY()<10)\r
-      {\r
-        resizePanel = true;\r
-        repaint();\r
-      }\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void mouseExited(MouseEvent evt)\r
-    {       }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void mouseDragged(MouseEvent evt)\r
-    {\r
-      dragEvent = evt;\r
-\r
-      if (resizePanel)\r
-      {\r
-        Dimension d = ap.annotationScroller.getPreferredSize();\r
-        int dif = evt.getY() - oldY;\r
-\r
-        dif /= ap.av.charHeight;\r
-        dif *= ap.av.charHeight;\r
-\r
-        if ( (d.height - dif) > 20)\r
-        {\r
-          ap.annotationScroller.setPreferredSize(new Dimension(d.width,\r
-              d.height - dif));\r
-          d = ap.annotationSpaceFillerHolder.getPreferredSize();\r
-          ap.annotationSpaceFillerHolder.setPreferredSize(new Dimension(\r
-              d.width, d.height - dif));\r
-          ap.repaint();\r
-        }\r
-\r
-        ap.addNotify();\r
-      }\r
-      else\r
-        repaint();\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void mouseMoved(MouseEvent evt)\r
-    {\r
-      resizePanel = evt.getY()<10;\r
-\r
-      repaint();\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void mouseClicked(MouseEvent evt)\r
-    {\r
-       if(!SwingUtilities.isRightMouseButton(evt))\r
-         return;\r
-\r
-        AlignmentAnnotation[] aa = ap.av.alignment.getAlignmentAnnotation();\r
-\r
-        if ((aa == null) || (aa.length == 0))\r
-        {\r
-            JPopupMenu pop = new JPopupMenu("Annotations");\r
-            JMenuItem item = new JMenuItem(ADDNEW);\r
-            item.addActionListener(this);\r
-            pop.add(item);\r
-            pop.show(this, evt.getX(), evt.getY());\r
-\r
-            return;\r
-        }\r
-\r
-\r
-        JPopupMenu pop = new JPopupMenu("Annotations");\r
-        JMenuItem item = new JMenuItem(ADDNEW);\r
-        item.addActionListener(this);\r
-        pop.add(item);\r
-        item = new JMenuItem(HIDE);\r
-        item.addActionListener(this);\r
-        pop.add(item);\r
-        item = new JMenuItem(DELETE);\r
-        item.addActionListener(this);\r
-        pop.add(item);\r
-        item = new JMenuItem(SHOWALL);\r
-        item.addActionListener(this);\r
-        pop.add(item);\r
-        item = new JMenuItem(OUTPUT_TEXT);\r
-        item.addActionListener(this);\r
-        pop.add(item);\r
-\r
-        if (aa[selectedRow].label.equals("Consensus"))\r
-        {\r
-          pop.addSeparator();\r
-          final JCheckBoxMenuItem cbmi = new JCheckBoxMenuItem(\r
-              "Ignore Gaps In Consensus",\r
-              ap.av.getIgnoreGapsConsensus());\r
-          cbmi.addActionListener(new ActionListener()\r
-              {public void actionPerformed(ActionEvent e)\r
-               {\r
-                 ap.av.setIgnoreGapsConsensus(cbmi.getState());\r
-                 ap.repaint();\r
-               }\r
-              });\r
-          pop.add(cbmi);\r
-\r
-        }\r
-\r
-        pop.show(this, evt.getX(), evt.getY());\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param g1 DOCUMENT ME!\r
-     */\r
-    public void paintComponent(Graphics g)\r
-    {\r
-\r
-        int width = getWidth();\r
-        if(width==0)\r
-         width = ap.calculateIdWidth().width + 4;\r
-\r
-       Graphics2D g2 = (Graphics2D) g;\r
-       if(av.antiAlias)\r
-        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,\r
-            RenderingHints.VALUE_ANTIALIAS_ON);\r
-\r
-       drawComponent(g2, width);\r
-\r
-    }\r
-\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param g DOCUMENT ME!\r
-     */\r
-    public void drawComponent(Graphics g, int width)\r
-    {\r
-        if(av.getFont().getSize()<10)\r
-          g.setFont(new Font("Arial", Font.PLAIN, av.getFont().getSize()-1));\r
-        else\r
-          g.setFont(font);\r
-\r
-        FontMetrics fm = g.getFontMetrics(g.getFont());\r
-        g.setColor(Color.white);\r
-        g.fillRect(0, 0, getWidth(), getHeight());\r
-\r
-        g.translate(0, scrollOffset);\r
-        g.setColor(Color.black);\r
-\r
-        AlignmentAnnotation[] aa = av.alignment.getAlignmentAnnotation();\r
-        int fontHeight = g.getFont().getSize();\r
-        int y = fontHeight;\r
-        int x = 0;\r
-        int graphExtras = 0;\r
-\r
-\r
-\r
-        if (aa != null)\r
-        {\r
-            for (int i = 0; i < aa.length; i++)\r
-            {\r
-                if (!aa[i].visible)\r
-                {\r
-                    continue;\r
-                }\r
-\r
-                x = width - fm.stringWidth(aa[i].label) - 3;\r
-\r
-                if (aa[i].graph>0)\r
-                {\r
-                    graphExtras = y;\r
-\r
-                    y += (aa[i].height / 3);\r
-\r
-                    if(aa[i].graphGroup<0)\r
-                        graphExtras = y + fontHeight;\r
-                }\r
-\r
-                if(aa[i].graphGroup>-1)\r
-                {\r
-                  int groupSize = 0;\r
-                  for (int gg = 0; gg < aa.length; gg++)\r
-                  {\r
-                    if (aa[gg].graphGroup == aa[i].graphGroup)\r
-                      groupSize++;\r
-                  }\r
-\r
-                  if(groupSize * (fontHeight+8) < aa[i].height)\r
-                    graphExtras += (aa[i].height -( groupSize * (fontHeight+8)) )/2;\r
-\r
-                 for(int gg=0; gg<aa.length; gg++)\r
-                 {\r
-                   if(aa[gg].graphGroup==aa[i].graphGroup)\r
-                   {\r
-                     x = width - fm.stringWidth(aa[gg].label) - 3;\r
-                     g.drawString(aa[gg].label, x, graphExtras );\r
-                     if(aa[gg].annotations[0]!=null)\r
-                       g.setColor(aa[gg].annotations[0].colour);\r
-\r
-                     g.drawLine( x, graphExtras+3,\r
-                                 x+fm.stringWidth(aa[gg].label),\r
-                                 graphExtras+3);\r
-\r
-                     g.setColor(Color.black);\r
-                     graphExtras += fontHeight+8;\r
-                   }\r
-                 }\r
-                }\r
-                else\r
-                  g.drawString(aa[i].label, x, y);\r
-\r
-                if (aa[i].graph>0)\r
-                {\r
-                /*  if (aa[i].graphLines != null)\r
-                  {\r
-                    for (int gl = 0; gl < aa[i].graphLines.size(); gl++)\r
-                    {\r
-                       x = width - fm.stringWidth(aa[i].getGraphLine(gl).label) - 3;\r
-                      g.drawString(aa[i].getGraphLine(gl).label, x, graphExtras);\r
-                      g.setColor(aa[i].getGraphLine(gl).colour);\r
-                      Graphics2D g2 = (Graphics2D) g;\r
-                      g2.setStroke(new BasicStroke(1,\r
-                          BasicStroke.CAP_SQUARE,\r
-                          BasicStroke.JOIN_ROUND, 3f,\r
-                          new float[]\r
-                          {5f, 3f}, 0f));\r
-\r
-                      graphExtras += 3;\r
-\r
-                      g.drawLine(x, graphExtras,\r
-                                 x+fm.stringWidth(aa[i].label),\r
-                                 graphExtras);\r
-                      g2.setStroke(new BasicStroke());\r
-                    }\r
-                  }*/\r
-                    y += ((2 * aa[i].height) / 3);\r
-                }\r
-                else\r
-                {\r
-                    y += aa[i].height;\r
-                }\r
-            }\r
-        }\r
-\r
-        if (resizePanel)\r
-        {\r
-          g.drawImage(image, 2, 0 - scrollOffset, this);\r
-        }\r
-        else if (dragEvent != null)\r
-        {\r
-          g.setColor(Color.lightGray);\r
-          g.drawString(aa[selectedRow].label, dragEvent.getX(), dragEvent.getY() - scrollOffset);\r
-        }\r
-\r
-\r
-        if ((aa == null) || (aa.length < 1))\r
-        {\r
-            g.drawString("Right click", 2, 8);\r
-            g.drawString("to add annotation", 2, 18);\r
-        }\r
-    }\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9)
+ * Copyright (C) 2015 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.
+ *  
+ * 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/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.gui;
+
+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 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!
+ * 
+ * @author $author$
+ * @version $Revision$
+ */
+public class AnnotationLabels extends JPanel implements MouseListener,
+        MouseMotionListener, ActionListener
+{
+  private static final Pattern LEFT_ANGLE_BRACKET_PATTERN = Pattern
+          .compile("<");
+
+  String TOGGLE_LABELSCALE = MessageManager
+          .getString("label.scale_label_to_column");
+
+  String ADDNEW = MessageManager.getString("label.add_new_row");
+
+  String EDITNAME = MessageManager
+          .getString("label.edit_label_description");
+
+  String HIDE = MessageManager.getString("label.hide_row");
+
+  String DELETE = MessageManager.getString("label.delete_row");
+
+  String SHOWALL = MessageManager.getString("label.show_all_hidden_rows");
+
+  String OUTPUT_TEXT = MessageManager.getString("label.export_annotation");
+
+  String COPYCONS_SEQ = MessageManager
+          .getString("label.copy_consensus_sequence");
+
+  boolean resizePanel = false;
+
+  Image image;
+
+  AlignmentPanel ap;
+
+  AlignViewport av;
+
+  boolean resizing = false;
+
+  MouseEvent dragEvent;
+
+  int oldY;
+
+  int selectedRow;
+
+  private int scrollOffset = 0;
+
+  Font font = new Font("Arial", Font.PLAIN, 11);
+
+  private boolean hasHiddenRows;
+
+  /**
+   * Creates a new AnnotationLabels object.
+   * 
+   * @param ap
+   *          DOCUMENT ME!
+   */
+  public AnnotationLabels(AlignmentPanel ap)
+  {
+    this.ap = ap;
+    av = ap.av;
+    ToolTipManager.sharedInstance().registerComponent(this);
+
+    java.net.URL url = getClass().getResource("/images/idwidth.gif");
+    Image temp = null;
+
+    if (url != null)
+    {
+      temp = java.awt.Toolkit.getDefaultToolkit().createImage(url);
+    }
+
+    try
+    {
+      MediaTracker mt = new MediaTracker(this);
+      mt.addImage(temp, 0);
+      mt.waitForID(0);
+    } catch (Exception ex)
+    {
+    }
+
+    BufferedImage bi = new BufferedImage(temp.getHeight(this),
+            temp.getWidth(this), BufferedImage.TYPE_INT_RGB);
+    Graphics2D g = (Graphics2D) bi.getGraphics();
+    g.rotate(Math.toRadians(90));
+    g.drawImage(temp, 0, -bi.getWidth(this), this);
+    image = bi;
+
+    addMouseListener(this);
+    addMouseMotionListener(this);
+    addMouseWheelListener(ap.getAnnotationPanel());
+  }
+
+  public AnnotationLabels(AlignViewport av)
+  {
+    this.av = av;
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param y
+   *          DOCUMENT ME!
+   */
+  public void setScrollOffset(int y)
+  {
+    scrollOffset = y;
+    repaint();
+  }
+
+  /**
+   * sets selectedRow to -2 if no annotation preset, -1 if no visible row is at
+   * y
+   * 
+   * @param y
+   *          coordinate position to search for a row
+   */
+  void getSelectedRow(int y)
+  {
+    int height = 0;
+    AlignmentAnnotation[] aa = ap.av.getAlignment()
+            .getAlignmentAnnotation();
+    selectedRow = -2;
+    if (aa != null)
+    {
+      for (int i = 0; i < aa.length; i++)
+      {
+        selectedRow = -1;
+        if (!aa[i].visible)
+        {
+          continue;
+        }
+
+        height += aa[i].height;
+
+        if (y < height)
+        {
+          selectedRow = i;
+
+          break;
+        }
+      }
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  public void actionPerformed(ActionEvent evt)
+  {
+    AlignmentAnnotation[] aa = ap.av.getAlignment()
+            .getAlignmentAnnotation();
+
+    if (evt.getActionCommand().equals(ADDNEW))
+    {
+      AlignmentAnnotation newAnnotation = new AlignmentAnnotation(null,
+              null, new Annotation[ap.av.getAlignment().getWidth()]);
+
+      if (!editLabelDescription(newAnnotation))
+      {
+        return;
+      }
+
+      ap.av.getAlignment().addAnnotation(newAnnotation);
+      ap.av.getAlignment().setAnnotationIndex(newAnnotation, 0);
+    }
+    else if (evt.getActionCommand().equals(EDITNAME))
+    {
+      editLabelDescription(aa[selectedRow]);
+      repaint();
+    }
+    else if (evt.getActionCommand().equals(HIDE))
+    {
+      aa[selectedRow].visible = false;
+    }
+    else if (evt.getActionCommand().equals(DELETE))
+    {
+      ap.av.getAlignment().deleteAnnotation(aa[selectedRow]);
+    }
+    else if (evt.getActionCommand().equals(SHOWALL))
+    {
+      for (int i = 0; i < aa.length; i++)
+      {
+        if (!aa[i].visible && aa[i].annotations != null)
+        {
+          aa[i].visible = true;
+        }
+      }
+    }
+    else if (evt.getActionCommand().equals(OUTPUT_TEXT))
+    {
+      new AnnotationExporter().exportAnnotations(ap,
+              new AlignmentAnnotation[] { aa[selectedRow] });
+    }
+    else if (evt.getActionCommand().equals(COPYCONS_SEQ))
+    {
+      SequenceI cons = null;
+      if (aa[selectedRow].groupRef != null)
+      {
+        cons = aa[selectedRow].groupRef.getConsensusSeq();
+      }
+      else
+      {
+        cons = av.getConsensusSeq();
+      }
+      if (cons != null)
+      {
+        copy_annotseqtoclipboard(cons);
+      }
+
+    }
+    else if (evt.getActionCommand().equals(TOGGLE_LABELSCALE))
+    {
+      aa[selectedRow].scaleColLabel = !aa[selectedRow].scaleColLabel;
+    }
+
+    refresh();
+
+  }
+
+  /**
+   * Redraw sensibly.
+   */
+  protected void refresh()
+  {
+    ap.validateAnnotationDimensions(false);
+    ap.addNotify();
+    ap.repaint();
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param e
+   *          DOCUMENT ME!
+   */
+  boolean editLabelDescription(AlignmentAnnotation annotation)
+  {
+    EditNameDialog dialog = new EditNameDialog(annotation.label,
+            annotation.description, "       Annotation Name ",
+            "Annotation Description ", "Edit Annotation Name/Description",
+            ap.alignFrame);
+
+    if (!dialog.accept)
+    {
+      return false;
+    }
+
+    annotation.label = dialog.getName();
+
+    String text = dialog.getDescription();
+    if (text != null && text.length() == 0)
+    {
+      text = null;
+    }
+    annotation.description = text;
+
+    return true;
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  public void mousePressed(MouseEvent evt)
+  {
+    getSelectedRow(evt.getY() - getScrollOffset());
+    oldY = evt.getY();
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  public void mouseReleased(MouseEvent evt)
+  {
+    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!
+   */
+  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.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!
+   */
+  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);
+      }
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  public void mouseClicked(MouseEvent evt)
+  {
+    final AlignmentAnnotation[] aa = ap.av.getAlignment()
+            .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.getSeqPanel().ap.getIdPanel().highlightSearchResults(null);
+            ap.av.setSelectionGroup(// new SequenceGroup(
+            aa[selectedRow].groupRef); // );
+            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 (!(evt.isControlDown() || evt.isShiftDown()))
+              {
+                sg = new SequenceGroup(sg);
+                sg.clear();
+                sg.addSequence(aa[selectedRow].sequenceRef, false);
+              }
+              else
+              {
+                if (evt.isControlDown())
+                {
+                  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.av.sendSelection();
+            ap.paintAlignment(false);
+            PaintRefresher.Refresh(ap, ap.av.getSequenceSetId());
+          }
+
+        }
+      }
+    }
+    if (!SwingUtilities.isRightMouseButton(evt))
+    {
+      return;
+    }
+
+    JPopupMenu pop = new JPopupMenu(
+            MessageManager.getString("label.annotations"));
+    JMenuItem item = new JMenuItem(ADDNEW);
+    item.addActionListener(this);
+    pop.add(item);
+    if (selectedRow < 0)
+    {
+      if (hasHiddenRows)
+      { // let the user make everything visible again
+        item = new JMenuItem(SHOWALL);
+        item.addActionListener(this);
+        pop.add(item);
+      }
+      pop.show(this, evt.getX(), evt.getY());
+      return;
+    }
+    item = new JMenuItem(EDITNAME);
+    item.addActionListener(this);
+    pop.add(item);
+    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();
+          }
+        });
+        pop.add(hideType);
+      }
+    }
+    item = new JMenuItem(DELETE);
+    item.addActionListener(this);
+    pop.add(item);
+    if (hasHiddenRows)
+    {
+      item = new JMenuItem(SHOWALL);
+      item.addActionListener(this);
+      pop.add(item);
+    }
+    item = new JMenuItem(OUTPUT_TEXT);
+    item.addActionListener(this);
+    pop.add(item);
+    // TODO: annotation object should be typed for autocalculated/derived
+    // property methods
+    if (selectedRow < aa.length)
+    {
+      final String label = aa[selectedRow].label;
+      if (!aa[selectedRow].autoCalculated)
+      {
+        if (aa[selectedRow].graph == AlignmentAnnotation.NO_GRAPH)
+        {
+          // display formatting settings for this row.
+          pop.addSeparator();
+          // av and sequencegroup need to implement same interface for
+          item = new JCheckBoxMenuItem(TOGGLE_LABELSCALE,
+                  aa[selectedRow].scaleColLabel);
+          item.addActionListener(this);
+          pop.add(item);
+        }
+      }
+      else if (label.indexOf("Consensus") > -1)
+      {
+        pop.addSeparator();
+        // av and sequencegroup need to implement same interface for
+        final JCheckBoxMenuItem cbmi = new JCheckBoxMenuItem(
+                MessageManager.getString("label.ignore_gaps_consensus"),
+                (aa[selectedRow].groupRef != null) ? aa[selectedRow].groupRef
+                        .getIgnoreGapsConsensus() : ap.av
+                        .isIgnoreGapsConsensus());
+        final AlignmentAnnotation aaa = aa[selectedRow];
+        cbmi.addActionListener(new ActionListener()
+        {
+          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.getAnnotationPanel().paint(
+                      ap.getAnnotationPanel().getGraphics());
+            }
+            else
+            {
+              ap.av.setIgnoreGapsConsensus(cbmi.getState(), ap);
+            }
+          }
+        });
+        pop.add(cbmi);
+        // av and sequencegroup need to implement same interface for
+        if (aaa.groupRef != null)
+        {
+          final JCheckBoxMenuItem chist = new JCheckBoxMenuItem(
+                  MessageManager.getString("label.show_group_histogram"),
+                  aa[selectedRow].groupRef.isShowConsensusHistogram());
+          chist.addActionListener(new ActionListener()
+          {
+            public void actionPerformed(ActionEvent e)
+            {
+              // TODO: pass on reference
+              // to ap
+              // so the
+              // view
+              // can be
+              // updated.
+              aaa.groupRef.setShowConsensusHistogram(chist.getState());
+              ap.repaint();
+              // ap.annotationPanel.paint(ap.annotationPanel.getGraphics());
+            }
+          });
+          pop.add(chist);
+          final JCheckBoxMenuItem cprofl = new JCheckBoxMenuItem(
+                  MessageManager.getString("label.show_group_logo"),
+                  aa[selectedRow].groupRef.isShowSequenceLogo());
+          cprofl.addActionListener(new ActionListener()
+          {
+            public void actionPerformed(ActionEvent e)
+            {
+              // TODO: pass on reference
+              // to ap
+              // so the
+              // view
+              // can be
+              // updated.
+              aaa.groupRef.setshowSequenceLogo(cprofl.getState());
+              ap.repaint();
+              // ap.annotationPanel.paint(ap.annotationPanel.getGraphics());
+            }
+          });
+          pop.add(cprofl);
+          final JCheckBoxMenuItem cproflnorm = new JCheckBoxMenuItem(
+                  MessageManager.getString("label.normalise_group_logo"),
+                  aa[selectedRow].groupRef.isNormaliseSequenceLogo());
+          cproflnorm.addActionListener(new ActionListener()
+          {
+            public void actionPerformed(ActionEvent e)
+            {
+
+              // TODO: pass on reference
+              // to ap
+              // so the
+              // view
+              // can be
+              // updated.
+              aaa.groupRef.setNormaliseSequenceLogo(cproflnorm.getState());
+              // automatically enable logo display if we're clicked
+              aaa.groupRef.setshowSequenceLogo(true);
+              ap.repaint();
+              // ap.annotationPanel.paint(ap.annotationPanel.getGraphics());
+            }
+          });
+          pop.add(cproflnorm);
+        }
+        else
+        {
+          final JCheckBoxMenuItem chist = new JCheckBoxMenuItem(
+                  MessageManager.getString("label.show_histogram"),
+                  av.isShowConsensusHistogram());
+          chist.addActionListener(new ActionListener()
+          {
+            public void actionPerformed(ActionEvent e)
+            {
+              // TODO: pass on reference
+              // to ap
+              // so the
+              // view
+              // can be
+              // updated.
+              av.setShowConsensusHistogram(chist.getState());
+              ap.alignFrame.setMenusForViewport();
+              ap.repaint();
+              // ap.annotationPanel.paint(ap.annotationPanel.getGraphics());
+            }
+          });
+          pop.add(chist);
+          final JCheckBoxMenuItem cprof = new JCheckBoxMenuItem(
+                  MessageManager.getString("label.show_logo"),
+                  av.isShowSequenceLogo());
+          cprof.addActionListener(new ActionListener()
+          {
+            public void actionPerformed(ActionEvent e)
+            {
+              // TODO: pass on reference
+              // to ap
+              // so the
+              // view
+              // can be
+              // updated.
+              av.setShowSequenceLogo(cprof.getState());
+              ap.alignFrame.setMenusForViewport();
+              ap.repaint();
+              // ap.annotationPanel.paint(ap.annotationPanel.getGraphics());
+            }
+          });
+          pop.add(cprof);
+          final JCheckBoxMenuItem cprofnorm = new JCheckBoxMenuItem(
+                  MessageManager.getString("label.normalise_logo"),
+                  av.isNormaliseSequenceLogo());
+          cprofnorm.addActionListener(new ActionListener()
+          {
+            public void actionPerformed(ActionEvent e)
+            {
+              // TODO: pass on reference
+              // to ap
+              // so the
+              // view
+              // can be
+              // updated.
+              av.setShowSequenceLogo(true);
+              av.setNormaliseSequenceLogo(cprofnorm.getState());
+              ap.alignFrame.setMenusForViewport();
+              ap.repaint();
+              // ap.annotationPanel.paint(ap.annotationPanel.getGraphics());
+            }
+          });
+          pop.add(cprofnorm);
+        }
+        final JMenuItem consclipbrd = new JMenuItem(COPYCONS_SEQ);
+        consclipbrd.addActionListener(this);
+        pop.add(consclipbrd);
+      }
+    }
+    pop.show(this, evt.getX(), evt.getY());
+  }
+
+  /**
+   * do a single sequence copy to jalview and the system clipboard
+   * 
+   * @param sq
+   *          sequence to be copied to clipboard
+   */
+  protected void copy_annotseqtoclipboard(SequenceI sq)
+  {
+    SequenceI[] seqs = new SequenceI[] { sq };
+    String[] omitHidden = null;
+    SequenceI[] dseqs = new SequenceI[] { sq.getDatasetSequence() };
+    if (dseqs[0] == null)
+    {
+      dseqs[0] = new Sequence(sq);
+      dseqs[0].setSequence(jalview.analysis.AlignSeq.extractGaps(
+              jalview.util.Comparison.GapChars, sq.getSequenceAsString()));
+
+      sq.setDatasetSequence(dseqs[0]);
+    }
+    Alignment ds = new Alignment(dseqs);
+    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 = AlignFrame.getStartEnd(alignmentStartEnd,
+              hiddenCols);
+    }
+    String output = new FormatAdapter().formatSequences("Fasta", seqs,
+            omitHidden, alignmentStartEnd);
+
+    Toolkit.getDefaultToolkit().getSystemClipboard()
+            .setContents(new StringSelection(output), Desktop.instance);
+
+    ArrayList<int[]> hiddenColumns = null;
+    if (av.hasHiddenColumns())
+    {
+      hiddenColumns = new ArrayList<int[]>();
+      for (int[] region : av.getColumnSelection().getHiddenColumns())
+      {
+        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
+        // sequence as special.
+        hiddenColumns };
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param g1
+   *          DOCUMENT ME!
+   */
+  public void paintComponent(Graphics g)
+  {
+
+    int width = getWidth();
+    if (width == 0)
+    {
+      width = ap.calculateIdWidth().width + 4;
+    }
+
+    Graphics2D g2 = (Graphics2D) g;
+    if (av.antiAlias)
+    {
+      g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+              RenderingHints.VALUE_ANTIALIAS_ON);
+    }
+
+    drawComponent(g2, true, width);
+
+  }
+
+  /**
+   * Draw the full set of annotation Labels for the alignment at the given
+   * cursor
+   * 
+   * @param g
+   *          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);
+    }
+    else
+    {
+      g.setFont(av.getFont());
+    }
+
+    FontMetrics fm = g.getFontMetrics(g.getFont());
+    g.setColor(Color.white);
+    g.fillRect(0, 0, getWidth(), getHeight());
+
+    g.translate(0, getScrollOffset());
+    g.setColor(Color.black);
+
+    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++)
+      {
+        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;
+
+        if (aa[i].hasText)
+        {
+          offset += fm.getHeight() / 2;
+          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)
+            {
+              groupSize++;
+            }
+          }
+          if (groupSize * (fontHeight + 8) < aa[i].height)
+          {
+            graphExtras = (aa[i].height - (groupSize * (fontHeight + 8))) / 2;
+          }
+          else
+          {
+            // 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++)
+            {
+              if (aa[gg].graphGroup == aa[i].graphGroup)
+              {
+                x = width - fm.stringWidth(aa[gg].label) - 3;
+                g.drawString(aa[gg].label, x, y - graphExtras);
+
+                if (aa[gg]._linecolour != null)
+                {
+
+                  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
+        {
+          g.drawString(aa[i].label, x, y + offset);
+        }
+      }
+    }
+
+    if (resizePanel)
+    {
+      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() - getScrollOffset());
+    }
+
+    if (!av.getWrapAlignment() && ((aa == null) || (aa.length < 1)))
+    {
+      g.drawString(MessageManager.getString("label.right_click"), 2, 8);
+      g.drawString(MessageManager.getString("label.to_add_annotation"), 2,
+              18);
+    }
+  }
+
+  public int getScrollOffset()
+  {
+    return scrollOffset;
+  }
+}