update author list in license for (JAL-826)
[jalview.git] / src / jalview / appletgui / AlignmentPanel.java
old mode 100755 (executable)
new mode 100644 (file)
index 0307a96..224b966
-/*\r
- * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2006 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
-\r
-package jalview.appletgui;\r
-\r
-import java.awt.*;\r
-import java.awt.event.*;\r
-\r
-import jalview.datamodel.*;\r
-\r
-public class AlignmentPanel extends Panel implements AdjustmentListener\r
-{\r
-\r
-  AlignViewport av;\r
-  OverviewPanel overviewPanel;\r
-  SeqPanel seqPanel;\r
-  IdPanel idPanel;\r
-  IdwidthAdjuster idwidthAdjuster;\r
-  public AlignFrame alignFrame;\r
-  ScalePanel scalePanel;\r
-  AnnotationPanel annotationPanel;\r
-  AnnotationLabels alabels;\r
-\r
-  // this value is set false when selection area being dragged\r
-  boolean fastPaint = true;\r
-\r
-\r
-\r
-  public AlignmentPanel(AlignFrame af, final AlignViewport av)\r
-  {\r
-    try\r
-    {\r
-      jbInit();\r
-    }\r
-    catch (Exception e)\r
-    {\r
-      e.printStackTrace();\r
-    }\r
-\r
-\r
-    alignFrame = af;\r
-    this.av = av;\r
-    seqPanel = new SeqPanel(av, this);\r
-    idPanel = new IdPanel(av, this);\r
-    scalePanel = new ScalePanel(av, this);\r
-    idwidthAdjuster = new IdwidthAdjuster(this);\r
-    annotationPanel = new AnnotationPanel(this);\r
-\r
-    sequenceHolderPanel.add(annotationPanel, BorderLayout.SOUTH);\r
-\r
-    alabels = new AnnotationLabels(this);\r
-\r
-    setAnnotationVisible(av.showAnnotation);\r
-\r
-    idPanelHolder.add(idPanel, BorderLayout.CENTER);\r
-    idSpaceFillerPanel1.add(idwidthAdjuster, BorderLayout.CENTER);\r
-    annotationSpaceFillerHolder.add(alabels, BorderLayout.CENTER);\r
-    scalePanelHolder.add(scalePanel, BorderLayout.CENTER);\r
-    seqPanelHolder.add(seqPanel, BorderLayout.CENTER);\r
-\r
-    fontChanged();\r
-    setScrollValues(0, 0);\r
-\r
-    hscroll.addAdjustmentListener(this);\r
-    vscroll.addAdjustmentListener(this);\r
-\r
-    addComponentListener(new ComponentAdapter()\r
-    {\r
-      public void componentResized(ComponentEvent evt)\r
-      {\r
-        setScrollValues(av.getStartRes(), av.getStartSeq());\r
-        repaint();\r
-      }\r
-    });\r
-\r
-    Dimension d = calculateIdWidth();\r
-    idPanel.idCanvas.setSize(d);\r
-\r
-    hscrollFillerPanel.setSize(d.width, annotationPanel.getSize().height);\r
-\r
-    idPanel.idCanvas.setSize(d.width, seqPanel.seqCanvas.getSize().height);\r
-    annotationSpaceFillerHolder.setSize(d.width,\r
-                                        annotationPanel.getSize().height);\r
-    alabels.setSize(d.width, annotationPanel.getSize().height);\r
-\r
-    final AlignmentPanel ap = this;\r
-    av.addPropertyChangeListener(new java.beans.PropertyChangeListener()\r
-    {\r
-      public void propertyChange(java.beans.PropertyChangeEvent evt)\r
-      {\r
-        if (evt.getPropertyName().equals("alignment"))\r
-        {\r
-          PaintRefresher.Refresh(ap,\r
-                                 av.getSequenceSetId(),\r
-                                 true,\r
-                                 true);\r
-          alignmentChanged();\r
-        }\r
-      }\r
-    });\r
-\r
-  }\r
-\r
-\r
-  public void alignmentChanged()\r
-  {\r
-    av.alignmentChanged(this);\r
-\r
-    if (overviewPanel != null)\r
-      overviewPanel.updateOverviewImage();\r
-\r
-    alignFrame.updateEditMenuBar();\r
-\r
-    repaint();\r
-  }\r
-\r
-  public void fontChanged()\r
-  {\r
-    // set idCanvas bufferedImage to null\r
-    // to prevent drawing old image\r
-    idPanel.idCanvas.image = null;\r
-    FontMetrics fm = getFontMetrics(av.getFont());\r
-\r
-    scalePanel.setSize(new Dimension(10, av.charHeight + fm.getDescent()));\r
-    idwidthAdjuster.setSize(new Dimension(10, av.charHeight + fm.getDescent()));\r
-\r
-    annotationPanel.image = null;\r
-    int ap = annotationPanel.adjustPanelHeight();\r
-    annotationPanel.repaint();\r
-    Dimension d = calculateIdWidth();\r
-    d.setSize(d.width + 4, seqPanel.seqCanvas.getSize().height);\r
-    alabels.setSize(d.width+4, ap );\r
-    idPanel.idCanvas.setSize(d);\r
-    hscrollFillerPanel.setSize(d);\r
-\r
-    validate();\r
-    repaint();\r
-\r
-    if(overviewPanel!=null)\r
-          overviewPanel.updateOverviewImage();\r
-  }\r
-\r
-  public void setIdWidth(int w, int h)\r
-  {\r
-    idPanel.idCanvas.setSize(w, h);\r
-    idPanelHolder.setSize(w, idPanelHolder.getSize().height);\r
-    alabels.setSize(w, alabels.getSize().height);\r
-    validate();\r
-  }\r
-\r
-  Dimension calculateIdWidth()\r
-  {\r
-    if (av.nullFrame == null)\r
-    {\r
-      av.nullFrame = new Frame();\r
-      av.nullFrame.addNotify();\r
-    }\r
-\r
-    Graphics g = av.nullFrame.getGraphics();\r
-\r
-    FontMetrics fm = g.getFontMetrics(av.font);\r
-    AlignmentI al = av.getAlignment();\r
-\r
-    int i = 0;\r
-    int idWidth = 0;\r
-    String id;\r
-    while (i < al.getHeight() && al.getSequenceAt(i) != null)\r
-    {\r
-      SequenceI s = al.getSequenceAt(i);\r
-      id = s.getDisplayId(av.getShowJVSuffix());\r
-\r
-      if (fm.stringWidth(id) > idWidth)\r
-      {\r
-        idWidth = fm.stringWidth(id);\r
-      }\r
-      i++;\r
-    }\r
-\r
-    // Also check annotation label widths\r
-    i = 0;\r
-    if (al.getAlignmentAnnotation() != null)\r
-    {\r
-      fm = g.getFontMetrics(av.nullFrame.getFont());\r
-      while (i < al.getAlignmentAnnotation().length)\r
-      {\r
-        String label = al.getAlignmentAnnotation()[i].label;\r
-        if (fm.stringWidth(label) > idWidth)\r
-        {\r
-          idWidth = fm.stringWidth(label);\r
-        }\r
-        i++;\r
-      }\r
-    }\r
-\r
-    return new Dimension(idWidth, idPanel.idCanvas.getSize().height);\r
-  }\r
-\r
-  public void highlightSearchResults(SearchResults results)\r
-  {\r
-    seqPanel.seqCanvas.highlightSearchResults(results);\r
-\r
-   // do we need to scroll the panel?\r
-    if (results != null)\r
-    {\r
-      SequenceI seq = results.getResultSequence(0);\r
-      int seqIndex = av.alignment.findIndex(seq);\r
-      int start = seq.findIndex(results.getResultStart(0)) - 1;\r
-      int end = seq.findIndex(results.getResultEnd(0)) - 1;\r
-\r
-        if(!av.wrapAlignment)\r
-        {\r
-          if ( (av.getStartRes() > end)  || (av.getEndRes() < start) ||\r
-             ( (av.getStartSeq() > seqIndex) || (av.getEndSeq() < seqIndex)))\r
-          {\r
-            if (start > av.alignment.getWidth() - hextent)\r
-            {\r
-              start = av.alignment.getWidth() - hextent;\r
-              if (start < 0)\r
-                start = 0;\r
-            }\r
-            if (seqIndex > av.alignment.getHeight() - vextent)\r
-            {\r
-              seqIndex = av.alignment.getHeight() - vextent;\r
-              if (seqIndex < 0)\r
-                seqIndex = 0;\r
-            }\r
-            setScrollValues(start, seqIndex);\r
-          }\r
-        }\r
-        else\r
-        {\r
-          scrollToWrappedVisible(start);\r
-        }\r
-    }\r
-\r
-    repaint();\r
-  }\r
-\r
-  void scrollToWrappedVisible(int res)\r
-  {\r
-    int cwidth = seqPanel.seqCanvas.getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width);\r
-    if (res <= av.getStartRes() || res >= (av.getStartRes() + cwidth))\r
-    {\r
-      vscroll.setValue(res / cwidth);\r
-      av.startRes = vscroll.getValue() * cwidth;\r
-    }\r
-  }\r
-\r
-\r
-  public OverviewPanel getOverviewPanel()\r
-  {\r
-    return overviewPanel;\r
-  }\r
-\r
-  public void setOverviewPanel(OverviewPanel op)\r
-  {\r
-    overviewPanel = op;\r
-  }\r
-\r
-  public void setAnnotationVisible(boolean b)\r
-  {\r
-    if (!av.wrapAlignment)\r
-    {\r
-      annotationSpaceFillerHolder.setVisible(b);\r
-      annotationPanel.setVisible(b);\r
-    }\r
-    validate();\r
-    repaint();\r
-  }\r
-\r
-  public void setWrapAlignment(boolean wrap)\r
-  {\r
-    av.startSeq = 0;\r
-    scalePanelHolder.setVisible(!wrap);\r
-\r
-\r
-    hscroll.setVisible(!wrap);\r
-    idwidthAdjuster.setVisible(!wrap);\r
-\r
-    if (wrap)\r
-    {\r
-      annotationPanel.setVisible(false);\r
-      annotationSpaceFillerHolder.setVisible(false);\r
-    }\r
-    else if (av.showAnnotation)\r
-    {\r
-      annotationPanel.setVisible(true);\r
-      annotationSpaceFillerHolder.setVisible(true);\r
-    }\r
-\r
-\r
-    idSpaceFillerPanel1.setVisible(!wrap);\r
-\r
-    fontChanged();//This is so that the scalePanel is resized correctly\r
-\r
-    validate();\r
-    repaint();\r
-\r
-  }\r
-\r
-\r
-  int hextent = 0;\r
-  int vextent = 0;\r
-\r
-  // return value is true if the scroll is valid\r
-  public boolean scrollUp(boolean up)\r
-  {\r
-    if (up)\r
-    {\r
-      if (vscroll.getValue() < 1)\r
-      {\r
-        return false;\r
-      }\r
-      setScrollValues(hscroll.getValue(), vscroll.getValue()-1);\r
-    }\r
-    else\r
-    {\r
-      if (vextent + vscroll.getValue() >= av.getAlignment().getHeight())\r
-      {\r
-        return false;\r
-      }\r
-      setScrollValues(hscroll.getValue(), vscroll.getValue()+1);\r
-    }\r
-\r
-    repaint();\r
-    return true;\r
-  }\r
-\r
-  public boolean scrollRight(boolean right)\r
-  {\r
-    if (!right)\r
-    {\r
-      if (hscroll.getValue() < 1)\r
-      {\r
-        return false;\r
-      }\r
-      setScrollValues(hscroll.getValue()-1, vscroll.getValue());\r
-    }\r
-    else\r
-    {\r
-      if (hextent + hscroll.getValue() >= av.getAlignment().getWidth())\r
-      {\r
-        return false;\r
-      }\r
-      setScrollValues(hscroll.getValue()+1, vscroll.getValue());\r
-    }\r
-\r
-    repaint();\r
-    return true;\r
-  }\r
-\r
-  public void setScrollValues(int x, int y)\r
-  {\r
-    int width = av.alignment.getWidth();\r
-    int height = av.alignment.getHeight();\r
-\r
-    if(av.hasHiddenColumns)\r
-     width = av.getColumnSelection().findColumnPosition(width);\r
-\r
-    av.setStartRes(x);\r
-    av.setStartSeq(y);\r
-\r
-    av.setEndRes( (x + (seqPanel.seqCanvas.getSize().width / av.charWidth)) -1);\r
-\r
-    hextent = seqPanel.seqCanvas.getSize().width / av.charWidth;\r
-    vextent = seqPanel.seqCanvas.getSize().height / av.charHeight;\r
-\r
-    if (hextent > width)\r
-    {\r
-      hextent = width;\r
-    }\r
-\r
-    if (vextent > height)\r
-    {\r
-      vextent = height;\r
-    }\r
-\r
-    if ( (hextent + x) > width)\r
-    {\r
-      x = width - hextent;\r
-    }\r
-\r
-    if ( (vextent + y) > height)\r
-    {\r
-      y = height - vextent;\r
-    }\r
-\r
-    if (y < 0)\r
-    {\r
-      y = 0;\r
-    }\r
-\r
-    if (x < 0)\r
-    {\r
-      x = 0;\r
-    }\r
-\r
-    int endSeq = y + vextent;\r
-    if (endSeq > av.alignment.getHeight())\r
-    {\r
-      endSeq = av.alignment.getHeight();\r
-    }\r
-\r
-    av.setEndSeq(endSeq);\r
-    hscroll.setValues(x, hextent, 0, av.getAlignment().getWidth());\r
-    vscroll.setValues(y, vextent, 0, av.getAlignment().getHeight());\r
-\r
-    if(overviewPanel!=null)\r
-          overviewPanel.setBoxPosition();\r
-\r
-  }\r
-\r
-  public void adjustmentValueChanged(AdjustmentEvent evt)\r
-  {\r
-    int oldX = av.getStartRes();\r
-    int oldY = av.getStartSeq();\r
-\r
-\r
-    if (evt==null || evt.getSource() == hscroll)\r
-    {\r
-      int x = hscroll.getValue();\r
-      av.setStartRes(x);\r
-      av.setEndRes(x + seqPanel.seqCanvas.getSize().width / av.getCharWidth() -\r
-                   1);\r
-    }\r
-\r
-\r
-    if (evt==null || evt.getSource() == vscroll)\r
-    {\r
-      int offy = vscroll.getValue();\r
-      if (av.getWrapAlignment())\r
-      {\r
-        int rowSize = seqPanel.seqCanvas.getWrappedCanvasWidth(seqPanel.\r
-            seqCanvas.getSize().width);\r
-        av.setStartRes(vscroll.getValue() * rowSize);\r
-        av.setEndRes( (vscroll.getValue() + 1) * rowSize);\r
-      }\r
-      else\r
-      {\r
-        av.setStartSeq(offy);\r
-        av.setEndSeq(offy +\r
-                     seqPanel.seqCanvas.getSize().height / av.getCharHeight());\r
-      }\r
-    }\r
-\r
-    if (overviewPanel != null)\r
-    {\r
-      overviewPanel.setBoxPosition();\r
-    }\r
-\r
-    int scrollX = av.startRes - oldX;\r
-    int scrollY = av.startSeq - oldY;\r
-\r
-    if (av.getWrapAlignment() || !fastPaint || av.MAC)\r
-    {\r
-      repaint();\r
-    }\r
-    else\r
-    {\r
-      // Make sure we're not trying to draw a panel\r
-      // larger than the visible window\r
-      if(scrollX>av.endRes-av.startRes)\r
-      {\r
-        scrollX = av.endRes - av.startRes;\r
-      }\r
-      else if(scrollX<av.startRes-av.endRes)\r
-        scrollX = av.startRes - av.endRes;\r
-\r
-      idPanel.idCanvas.fastPaint(scrollY);\r
-      seqPanel.seqCanvas.fastPaint(scrollX,\r
-                                   scrollY);\r
-\r
-      scalePanel.repaint();\r
-      if (av.getShowAnnotation())\r
-      {\r
-        annotationPanel.fastPaint(av.getStartRes() - oldX);\r
-      }\r
-    }\r
-\r
-  }\r
-\r
-  public void update(Graphics g)\r
-  {\r
-    paint(g);\r
-  }\r
-\r
-  public void paint(Graphics g)\r
-  {\r
-    invalidate();\r
-    Dimension d = idPanel.idCanvas.getSize();\r
-    idPanel.idCanvas.setSize(d.width, seqPanel.seqCanvas.getSize().height);\r
-    annotationSpaceFillerHolder.setSize(d.width,\r
-                                        annotationPanel.getSize().height);\r
-\r
-    alabels.setSize(d.width, annotationPanel.getSize().height);\r
-\r
-    if (av.getWrapAlignment())\r
-    {\r
-      int maxwidth = av.alignment.getWidth();\r
-\r
-      if (av.hasHiddenColumns)\r
-        maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;\r
-\r
-      int canvasWidth = seqPanel.seqCanvas.getWrappedCanvasWidth\r
-          (seqPanel.seqCanvas.getSize().width);\r
-\r
-      if(canvasWidth>0)\r
-      {\r
-        int max = maxwidth / canvasWidth;\r
-        vscroll.setMaximum(max);\r
-        vscroll.setUnitIncrement(1);\r
-        vscroll.setVisibleAmount(1);\r
-      }\r
-    }\r
-    else\r
-    {\r
-      setScrollValues(av.getStartRes(), av.getStartSeq());\r
-    }\r
-\r
-    alabels.repaint();\r
-\r
-    seqPanel.seqCanvas.repaint();\r
-    scalePanel.repaint();\r
-    annotationPanel.repaint();\r
-    idPanel.idCanvas.repaint();\r
-\r
-    if (getBounds() == g.getClipBounds())\r
-    {\r
-      if (overviewPanel != null)\r
-        overviewPanel.updateOverviewImage();\r
-    }\r
-\r
-  }\r
-\r
-  protected Panel sequenceHolderPanel = new Panel();\r
-  protected Scrollbar vscroll = new Scrollbar();\r
-  protected Scrollbar hscroll = new Scrollbar();\r
-  protected Panel seqPanelHolder = new Panel();\r
-  BorderLayout borderLayout1 = new BorderLayout();\r
-  BorderLayout borderLayout3 = new BorderLayout();\r
-  protected Panel scalePanelHolder = new Panel();\r
-  protected Panel idPanelHolder = new Panel();\r
-  BorderLayout borderLayout5 = new BorderLayout();\r
-  protected Panel idSpaceFillerPanel1 = new Panel();\r
-  public Panel annotationSpaceFillerHolder = new Panel();\r
-  BorderLayout borderLayout6 = new BorderLayout();\r
-  BorderLayout borderLayout7 = new BorderLayout();\r
-  Panel hscrollHolder = new Panel();\r
-  BorderLayout borderLayout10 = new BorderLayout();\r
-  protected Panel hscrollFillerPanel = new Panel();\r
-  BorderLayout borderLayout11 = new BorderLayout();\r
-  BorderLayout borderLayout4 = new BorderLayout();\r
-  BorderLayout borderLayout2 = new BorderLayout();\r
-\r
-  private void jbInit() throws Exception {\r
-      //  idPanelHolder.setPreferredSize(new Dimension(70, 10));\r
-      this.setLayout(borderLayout7);\r
-\r
-      //   sequenceHolderPanel.setPreferredSize(new Dimension(150, 150));\r
-      sequenceHolderPanel.setLayout(borderLayout3);\r
-      seqPanelHolder.setLayout(borderLayout1);\r
-      scalePanelHolder.setBackground(Color.white);\r
-\r
-      // scalePanelHolder.setPreferredSize(new Dimension(10, 30));\r
-      scalePanelHolder.setLayout(borderLayout6);\r
-      idPanelHolder.setLayout(borderLayout5);\r
-      idSpaceFillerPanel1.setBackground(Color.white);\r
-\r
-      //  idSpaceFillerPanel1.setPreferredSize(new Dimension(10, 30));\r
-      idSpaceFillerPanel1.setLayout(borderLayout11);\r
-      annotationSpaceFillerHolder.setBackground(Color.white);\r
-\r
-      //  annotationSpaceFillerHolder.setPreferredSize(new Dimension(10, 80));\r
-      annotationSpaceFillerHolder.setLayout(borderLayout4);\r
-      hscroll.setOrientation(Scrollbar.HORIZONTAL);\r
-      hscrollHolder.setLayout(borderLayout10);\r
-      hscrollFillerPanel.setBackground(Color.white);\r
-\r
-      //  hscrollFillerPanel.setPreferredSize(new Dimension(70, 10));\r
-      hscrollHolder.setBackground(Color.white);\r
-\r
-      //    annotationScroller.setPreferredSize(new Dimension(10, 80));\r
-      //  this.setPreferredSize(new Dimension(220, 166));\r
-      seqPanelHolder.setBackground(Color.white);\r
-      idPanelHolder.setBackground(Color.white);\r
-      sequenceHolderPanel.add(scalePanelHolder, BorderLayout.NORTH);\r
-      sequenceHolderPanel.add(seqPanelHolder, BorderLayout.CENTER);\r
-      seqPanelHolder.add(vscroll, BorderLayout.EAST);\r
-\r
-      //  Panel3.add(secondaryPanelHolder,  BorderLayout.SOUTH);\r
-      this.add(idPanelHolder, BorderLayout.WEST);\r
-      idPanelHolder.add(idSpaceFillerPanel1, BorderLayout.NORTH);\r
-      idPanelHolder.add(annotationSpaceFillerHolder, BorderLayout.SOUTH);\r
-      this.add(hscrollHolder, BorderLayout.SOUTH);\r
-      hscrollHolder.add(hscroll, BorderLayout.CENTER);\r
-      hscrollHolder.add(hscrollFillerPanel, BorderLayout.WEST);\r
-      this.add(sequenceHolderPanel, BorderLayout.CENTER);\r
-  }\r
-\r
-}\r
+/*
+ * 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
+ * 
+ * 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/>.
+ */
+package jalview.appletgui;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.Hashtable;
+import java.util.Vector;
+
+import jalview.api.AlignmentViewPanel;
+import jalview.datamodel.*;
+import jalview.structure.StructureSelectionManager;
+
+public class AlignmentPanel extends Panel implements AdjustmentListener, AlignmentViewPanel
+{
+
+  public AlignViewport av;
+
+  OverviewPanel overviewPanel;
+
+  SeqPanel seqPanel;
+
+  IdPanel idPanel;
+
+  IdwidthAdjuster idwidthAdjuster;
+
+  public AlignFrame alignFrame;
+
+  ScalePanel scalePanel;
+
+  AnnotationPanel annotationPanel;
+
+  AnnotationLabels alabels;
+
+  // this value is set false when selection area being dragged
+  boolean fastPaint = true;
+  
+  public void finalize() {
+    alignFrame=null;
+    av=null;
+    seqPanel=null;
+    seqPanelHolder=null;
+    sequenceHolderPanel=null;
+    scalePanel=null;
+    scalePanelHolder=null;
+    annotationPanel=null;
+    annotationPanelHolder=null;
+    annotationSpaceFillerHolder=null;
+  }
+  public AlignmentPanel(AlignFrame af, final AlignViewport av)
+  {
+    try
+    {
+      jbInit();
+    } catch (Exception e)
+    {
+      e.printStackTrace();
+    }
+
+    alignFrame = af;
+    this.av = av;
+    seqPanel = new SeqPanel(av, this);
+    idPanel = new IdPanel(av, this);
+    scalePanel = new ScalePanel(av, this);
+    idwidthAdjuster = new IdwidthAdjuster(this);
+    annotationPanel = new AnnotationPanel(this);
+    annotationPanelHolder.add(annotationPanel, BorderLayout.CENTER);
+
+    sequenceHolderPanel.add(annotationPanelHolder, BorderLayout.SOUTH);
+
+    alabels = new AnnotationLabels(this);
+
+    setAnnotationVisible(av.showAnnotation);
+
+    idPanelHolder.add(idPanel, BorderLayout.CENTER);
+    idSpaceFillerPanel1.add(idwidthAdjuster, BorderLayout.CENTER);
+    annotationSpaceFillerHolder.add(alabels, BorderLayout.CENTER);
+    scalePanelHolder.add(scalePanel, BorderLayout.CENTER);
+    seqPanelHolder.add(seqPanel, BorderLayout.CENTER);
+
+    fontChanged();
+    setScrollValues(0, 0);
+
+    apvscroll.addAdjustmentListener(this);
+    hscroll.addAdjustmentListener(this);
+    vscroll.addAdjustmentListener(this);
+
+    addComponentListener(new ComponentAdapter()
+    {
+      public void componentResized(ComponentEvent evt)
+      {
+        setScrollValues(av.getStartRes(), av.getStartSeq());
+        if (getSize().height>0 && annotationPanelHolder.getSize().height>0) {
+          validateAnnotationDimensions(false);
+        }
+        repaint();
+      }
+      
+    });
+
+    Dimension d = calculateIdWidth();
+    idPanel.idCanvas.setSize(d);
+
+    hscrollFillerPanel.setSize(d.width, annotationPanel.getSize().height);
+
+    idPanel.idCanvas.setSize(d.width, seqPanel.seqCanvas.getSize().height);
+    annotationSpaceFillerHolder.setSize(d.width,
+            annotationPanel.getSize().height);
+    alabels.setSize(d.width, annotationPanel.getSize().height);
+    final AlignmentPanel ap = this;
+    av.addPropertyChangeListener(new java.beans.PropertyChangeListener()
+    {
+      public void propertyChange(java.beans.PropertyChangeEvent evt)
+      {
+        if (evt.getPropertyName().equals("alignment"))
+        {
+          PaintRefresher.Refresh(ap, av.getSequenceSetId(), true, true);
+          alignmentChanged();
+        }
+      }
+    });
+
+  }
+
+  public SequenceRenderer getSequenceRenderer()
+  {
+    return seqPanel.seqCanvas.sr;
+  }
+
+  public FeatureRenderer getFeatureRenderer()
+  {
+    return seqPanel.seqCanvas.fr;
+  }
+
+  public void alignmentChanged()
+  {
+    av.alignmentChanged(this);
+
+    if (overviewPanel != null)
+    {
+      overviewPanel.updateOverviewImage();
+    }
+
+    alignFrame.updateEditMenuBar();
+
+    repaint();
+  }
+
+  public void fontChanged()
+  {
+    // set idCanvas bufferedImage to null
+    // to prevent drawing old image
+    idPanel.idCanvas.image = null;
+    FontMetrics fm = getFontMetrics(av.getFont());
+
+    scalePanel.setSize(new Dimension(10, av.charHeight + fm.getDescent()));
+    idwidthAdjuster.setSize(new Dimension(10, av.charHeight
+            + fm.getDescent()));
+    av.updateSequenceIdColours();
+    annotationPanel.image = null;
+    int ap = annotationPanel.adjustPanelHeight(false);
+    Dimension d = calculateIdWidth();
+    d.setSize(d.width + 4, seqPanel.seqCanvas.getSize().height);
+    alabels.setSize(d.width + 4, ap);
+    
+    idPanel.idCanvas.setSize(d);
+    hscrollFillerPanel.setSize(d);
+    
+    validateAnnotationDimensions(false);
+    annotationPanel.repaint();
+    validate();
+    repaint();
+
+    if (overviewPanel != null)
+    {
+      overviewPanel.updateOverviewImage();
+    }
+  }
+
+  public void setIdWidth(int w, int h)
+  {
+    idPanel.idCanvas.setSize(w, h);
+    idPanelHolder.setSize(w, idPanelHolder.getSize().height);
+    annotationSpaceFillerHolder.setSize(w,annotationSpaceFillerHolder.getSize().height);
+    alabels.setSize(w, alabels.getSize().height);
+    validate();
+  }
+
+  Dimension calculateIdWidth()
+  {
+    if (av.nullFrame == null)
+    {
+      av.nullFrame = new Frame();
+      av.nullFrame.addNotify();
+    }
+
+    Graphics g = av.nullFrame.getGraphics();
+
+    FontMetrics fm = g.getFontMetrics(av.font);
+    AlignmentI al = av.getAlignment();
+
+    int i = 0;
+    int idWidth = 0;
+    String id;
+    while (i < al.getHeight() && al.getSequenceAt(i) != null)
+    {
+      SequenceI s = al.getSequenceAt(i);
+      id = s.getDisplayId(av.getShowJVSuffix());
+
+      if (fm.stringWidth(id) > idWidth)
+      {
+        idWidth = fm.stringWidth(id);
+      }
+      i++;
+    }
+
+    // Also check annotation label widths
+    i = 0;
+    if (al.getAlignmentAnnotation() != null)
+    {
+      fm = g.getFontMetrics(av.nullFrame.getFont());
+      while (i < al.getAlignmentAnnotation().length)
+      {
+        String label = al.getAlignmentAnnotation()[i].label;
+        if (fm.stringWidth(label) > idWidth)
+        {
+          idWidth = fm.stringWidth(label);
+        }
+        i++;
+      }
+    }
+
+    return new Dimension(idWidth, idPanel.idCanvas.getSize().height);
+  }
+
+  /**
+   * Highlight the given results on the alignment.
+   * 
+   */
+  public void highlightSearchResults(SearchResults results)
+  {
+    scrollToPosition(results);
+    seqPanel.seqCanvas.highlightSearchResults(results);
+  }
+
+  /**
+   * scroll the view to show the position of the highlighted region in results
+   * (if any) and redraw the overview
+   * 
+   * @param results
+   * @return false if results were not found
+   */
+  public boolean scrollToPosition(SearchResults results)
+  {
+    return scrollToPosition(results, true);
+  }
+
+  /**
+   * scroll the view to show the position of the highlighted region in results
+   * (if any)
+   * 
+   * @param results
+   * @param redrawOverview
+   *          - when set, the overview will be recalculated (takes longer)
+   * @return false if results were not found
+   */
+  public boolean scrollToPosition(SearchResults results,
+          boolean redrawOverview)
+  {
+         
+    // do we need to scroll the panel?
+    if (results != null && results.getSize() > 0)
+    {
+      int seqIndex = av.alignment.findIndex(results);
+      if (seqIndex == -1)
+      {
+        return false;
+      }
+      SequenceI seq = av.alignment.getSequenceAt(seqIndex);
+      int[] r = results.getResults(seq, 0,av.alignment.getWidth());
+      if (r == null)
+      {
+        if (av.applet.debug) {// DEBUG
+          System.out.println("DEBUG: scroll didn't happen - results not within alignment : "+seq.getStart()+","+seq.getEnd());
+        }
+        return false;
+      }
+      if (av.applet.debug) {
+        // DEBUG
+        /*System.out.println("DEBUG: scroll: start=" + r[0]
+                + " av.getStartRes()=" + av.getStartRes() + " end=" + r[1]
+                + " seq.end=" + seq.getEnd() + " av.getEndRes()="
+                + av.getEndRes() + " hextent=" + hextent);
+         */
+      }
+      int start = r[0];
+      int end = r[1];
+      if (start < 0)
+      {
+        return false;
+      }
+      if (end == seq.getEnd())
+      {
+        return false;
+      }
+      return scrollTo(start, end, seqIndex, false, redrawOverview);
+    }
+    return true;
+  }
+  public boolean scrollTo(int ostart, int end, int seqIndex, boolean scrollToNearest, boolean redrawOverview)
+  {
+           int startv, endv, starts, ends, width;
+
+         int start=-1;
+    if (av.hasHiddenColumns)
+    {
+      start = av.getColumnSelection().findColumnPosition(ostart);
+      end = av.getColumnSelection().findColumnPosition(end);
+      if (start == end)
+      {
+        if (!scrollToNearest && !av.colSel.isVisible(ostart))
+        {
+          // don't scroll - position isn't visible
+          return false;
+        }
+      }
+    }
+    else
+    {
+      start = ostart;
+    }
+    if (!av.wrapAlignment)
+    {
+         /*
+         int spos=av.getStartRes(),sqpos=av.getStartSeq();
+          if ((startv = av.getStartRes()) >= start)
+          {
+                 spos=start-1;
+//               seqIn
+//            setScrollValues(start - 1, seqIndex);
+          }
+          else if ((endv = av.getEndRes()) <= end)
+          {
+//            setScrollValues(spos=startv + 1 + end - endv, seqIndex);
+                 spos=startv + 1 + end - endv;
+          }
+          else if ((starts = av.getStartSeq()) > seqIndex)
+          {
+            setScrollValues(av.getStartRes(), seqIndex);
+          }
+          else if ((ends = av.getEndSeq()) <= seqIndex)
+          {
+            setScrollValues(av.getStartRes(), starts + seqIndex - ends + 1);
+          }
+
+         /* */
+        if ((av.getStartRes() > end)
+                || (av.getEndRes() < start)
+                || ((av.getStartSeq() > seqIndex) || (av.getEndSeq() < seqIndex)))
+        {
+          if (start > av.alignment.getWidth() - hextent)
+          {
+            start = av.alignment.getWidth() - hextent;
+            if (start < 0)
+            {
+              start = 0;
+            }
+
+          }
+          if (seqIndex > av.alignment.getHeight() - vextent)
+          {
+            seqIndex = av.alignment.getHeight() - vextent;
+            if (seqIndex < 0)
+            {
+              seqIndex = 0;
+            }
+          }
+          // System.out.println("trying to scroll to: "+start+" "+seqIndex);
+          setScrollValues(start, seqIndex);
+        }/**/
+      }
+      else
+      {
+        scrollToWrappedVisible(start);
+      }
+    if (redrawOverview && overviewPanel != null)
+    {
+      overviewPanel.setBoxPosition();
+    }
+    paintAlignment(redrawOverview);
+    return true;
+  }
+
+  void scrollToWrappedVisible(int res)
+  {
+    int cwidth = seqPanel.seqCanvas
+            .getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width);
+    if (res <= av.getStartRes() || res >= (av.getStartRes() + cwidth))
+    {
+      vscroll.setValue(res / cwidth);
+      av.startRes = vscroll.getValue() * cwidth;
+    }
+  }
+
+  public OverviewPanel getOverviewPanel()
+  {
+    return overviewPanel;
+  }
+
+  public void setOverviewPanel(OverviewPanel op)
+  {
+    overviewPanel = op;
+  }
+
+  public void setAnnotationVisible(boolean b)
+  {
+    if (!av.wrapAlignment)
+    {
+      annotationSpaceFillerHolder.setVisible(b);
+      annotationPanelHolder.setVisible(b);
+    }
+    validate();
+    repaint();
+  }
+  
+  /**
+   * automatically adjust annotation panel height for new annotation whilst
+   * ensuring the alignment is still visible.
+   */
+  public void adjustAnnotationHeight()
+  {
+    // TODO: display vertical annotation scrollbar if necessary
+    // this is called after loading new annotation onto alignment
+    if (alignFrame.getSize().height == 0)
+    {
+      System.out.println("NEEDS FIXING");
+    }
+    fontChanged();
+    validateAnnotationDimensions(true);
+    apvscroll.addNotify();
+    hscroll.addNotify();
+    validate();
+    paintAlignment(true);
+  }
+  /**
+   * calculate the annotation dimensions and refresh slider values accordingly.
+   * need to do repaints/notifys afterwards. 
+   */
+  protected void validateAnnotationDimensions(boolean adjustPanelHeight) {
+    boolean modified=false;
+    int height = annotationPanel.calcPanelHeight();
+    int minsize=0;
+    if (hscroll.isVisible())
+    {
+      height += (minsize=hscroll.getPreferredSize().height);
+    }
+    if (apvscroll.isVisible()) {
+      minsize+=apvscroll.getPreferredSize().height;
+    }
+    int mheight = height;
+    Dimension d=sequenceHolderPanel.getSize(),e=idPanel.getSize(); 
+    int seqandannot=d.height-scalePanelHolder.getSize().height;
+    // sets initial preferred height
+    if ((height+40) > seqandannot / 2)
+    {
+      height = seqandannot / 2;
+    }
+    if (!adjustPanelHeight)
+    {
+      // maintain same window layout whilst updating sliders
+      height=annotationPanelHolder.getSize().height;
+    }
+            
+    if (seqandannot-height<5)
+    {
+      height = seqandannot;
+    }
+    annotationPanel.setSize(new Dimension(d.width,height));
+    alabels.setSize(new Dimension(e.width,height));
+    annotationSpaceFillerHolder.setSize(new Dimension(e.width, height));
+    annotationPanelHolder.setSize(new Dimension(d.width, height));
+    seqPanelHolder.setSize(d.width,seqandannot-height);
+    seqPanel.seqCanvas.setSize(d.width, seqPanel.seqCanvas.getSize().height);
+    int s=apvscroll.getValue();
+    if (s>mheight-height)
+    {
+      s = 0;
+    }
+    apvscroll.setValues(s, height, 0, mheight);
+    annotationPanel.setScrollOffset(apvscroll.getValue());
+    alabels.setScrollOffset(apvscroll.getValue());
+  }
+  
+  public void setWrapAlignment(boolean wrap)
+  {
+    av.startSeq = 0;
+    av.startRes = 0;
+    scalePanelHolder.setVisible(!wrap);
+
+    hscroll.setVisible(!wrap);
+    idwidthAdjuster.setVisible(!wrap);
+
+    if (wrap)
+    {
+      annotationPanelHolder.setVisible(false);
+      annotationSpaceFillerHolder.setVisible(false);
+    }
+    else if (av.showAnnotation)
+    {
+      annotationPanelHolder.setVisible(true);
+      annotationSpaceFillerHolder.setVisible(true);
+    }
+
+    idSpaceFillerPanel1.setVisible(!wrap);
+
+    fontChanged(); // This is so that the scalePanel is resized correctly
+
+    validate();
+    repaint();
+
+  }
+
+  int hextent = 0;
+
+  int vextent = 0;
+
+  // return value is true if the scroll is valid
+  public boolean scrollUp(boolean up)
+  {
+    if (up)
+    {
+      if (vscroll.getValue() < 1)
+      {
+        return false;
+      }
+      setScrollValues(hscroll.getValue(), vscroll.getValue() - 1);
+    }
+    else
+    {
+      if (vextent + vscroll.getValue() >= av.getAlignment().getHeight())
+      {
+        return false;
+      }
+      setScrollValues(hscroll.getValue(), vscroll.getValue() + 1);
+    }
+
+    repaint();
+    return true;
+  }
+
+  public boolean scrollRight(boolean right)
+  {
+    if (!right)
+    {
+      if (hscroll.getValue() < 1)
+      {
+        return false;
+      }
+      setScrollValues(hscroll.getValue() - 1, vscroll.getValue());
+    }
+    else
+    {
+      if (hextent + hscroll.getValue() >= av.getAlignment().getWidth())
+      {
+        return false;
+      }
+      setScrollValues(hscroll.getValue() + 1, vscroll.getValue());
+    }
+
+    repaint();
+    return true;
+  }
+
+  public void setScrollValues(int x, int y)
+  {
+    int width = av.alignment.getWidth();
+    int height = av.alignment.getHeight();
+
+    if (av.hasHiddenColumns)
+    {
+      width = av.getColumnSelection().findColumnPosition(width);
+    }
+    if (x<0) { x = 0; };
+
+    hextent = seqPanel.seqCanvas.getSize().width / av.charWidth;
+    vextent = seqPanel.seqCanvas.getSize().height / av.charHeight;
+    
+    if (hextent > width)
+    {
+      hextent = width;
+    }
+
+    if (vextent > height)
+    {
+      vextent = height;
+    }
+
+    if ((hextent + x) > width)
+    {
+      System.err.println("hextent was "+hextent+" and x was "+x);
+
+      x = width - hextent;
+    }
+
+    if ((vextent + y) > height)
+    {
+      y = height - vextent;
+    }
+
+    if (y < 0)
+    {
+      y = 0;
+    }
+
+    if (x < 0)
+    {
+      System.err.println("x was "+x);
+      x = 0;
+    }
+
+    av.setStartSeq(y);
+
+    int endSeq = y + vextent;
+    if (endSeq > av.alignment.getHeight())
+    {
+      endSeq = av.alignment.getHeight();
+    }
+
+    av.setEndSeq(endSeq);
+    av.setStartRes(x);
+    av.setEndRes((x + (seqPanel.seqCanvas.getSize().width / av.charWidth)) - 1);
+
+    hscroll.setValues(x, hextent, 0, width);
+    vscroll.setValues(y, vextent, 0, height);
+
+    if (overviewPanel != null)
+    {
+      overviewPanel.setBoxPosition();
+    }
+    sendViewPosition();
+
+
+  }
+
+  public void adjustmentValueChanged(AdjustmentEvent evt)
+  {
+    int oldX = av.getStartRes();
+    int oldY = av.getStartSeq();
+
+    if (evt == null || evt.getSource() == apvscroll)
+    {
+      annotationPanel.setScrollOffset(apvscroll.getValue());
+      alabels.setScrollOffset(apvscroll.getValue());
+      // annotationPanel.image=null;
+      // alabels.image=null;
+      // alabels.repaint();
+      // annotationPanel.repaint();
+    }
+    if (evt == null || evt.getSource() == hscroll)
+    {
+      int x = hscroll.getValue();
+      av.setStartRes(x);
+      av.setEndRes(x + seqPanel.seqCanvas.getSize().width
+              / av.getCharWidth() - 1);
+    }
+
+    if (evt == null || evt.getSource() == vscroll)
+    {
+      int offy = vscroll.getValue();
+      if (av.getWrapAlignment())
+      {
+        int rowSize = seqPanel.seqCanvas
+                .getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width);
+        av.setStartRes(vscroll.getValue() * rowSize);
+        av.setEndRes((vscroll.getValue() + 1) * rowSize);
+      }
+      else
+      {
+        av.setStartSeq(offy);
+        av.setEndSeq(offy + seqPanel.seqCanvas.getSize().height
+                / av.getCharHeight());
+      }
+    }
+
+    if (overviewPanel != null)
+    {
+      overviewPanel.setBoxPosition();
+    }
+
+    int scrollX = av.startRes - oldX;
+    int scrollY = av.startSeq - oldY;
+
+    if (av.getWrapAlignment() || !fastPaint || av.MAC)
+    {
+      repaint();
+    }
+    else
+    {
+      // Make sure we're not trying to draw a panel
+      // larger than the visible window
+      if (scrollX > av.endRes - av.startRes)
+      {
+        scrollX = av.endRes - av.startRes;
+      }
+      else if (scrollX < av.startRes - av.endRes)
+      {
+        scrollX = av.startRes - av.endRes;
+      }
+
+      idPanel.idCanvas.fastPaint(scrollY);
+      seqPanel.seqCanvas.fastPaint(scrollX, scrollY);
+
+      scalePanel.repaint();
+      if (av.getShowAnnotation())
+      {
+        annotationPanel.fastPaint(av.getStartRes() - oldX);
+      }
+    }
+    sendViewPosition();
+
+  }
+  private void sendViewPosition()
+  {
+    StructureSelectionManager.getStructureSelectionManager(av.applet).sendViewPosition(this, av.startRes, av.endRes, av.startSeq, av.endSeq);
+  }
+
+  public void paintAlignment(boolean updateOverview)
+  {
+    repaint();
+
+    if (updateOverview)
+    {
+      jalview.structure.StructureSelectionManager
+              .getStructureSelectionManager(av.applet).sequenceColoursChanged(this);
+
+      if (overviewPanel != null)
+      {
+        overviewPanel.updateOverviewImage();
+      }
+    }
+  }
+
+  public void update(Graphics g)
+  {
+    paint(g);
+  }
+
+  public void paint(Graphics g)
+  {
+    invalidate();
+    Dimension d = idPanel.idCanvas.getSize();
+    idPanel.idCanvas.setSize(d.width, seqPanel.seqCanvas.getSize().height);
+    
+    if (av.getWrapAlignment())
+    {
+      int maxwidth = av.alignment.getWidth();
+
+      if (av.hasHiddenColumns)
+      {
+        maxwidth = av.getColumnSelection().findColumnPosition(maxwidth) - 1;
+      }
+
+      int canvasWidth = seqPanel.seqCanvas
+              .getWrappedCanvasWidth(seqPanel.seqCanvas.getSize().width);
+
+      if (canvasWidth > 0)
+      {
+        int max = maxwidth / canvasWidth;
+        vscroll.setMaximum(1 + max);
+        vscroll.setUnitIncrement(1);
+        vscroll.setVisibleAmount(1);
+      }
+    }
+    else
+    {
+      setScrollValues(av.getStartRes(), av.getStartSeq());
+    }
+
+    alabels.repaint();
+
+    seqPanel.seqCanvas.repaint();
+    scalePanel.repaint();
+    annotationPanel.repaint();
+    idPanel.idCanvas.repaint();
+  }
+
+  protected Panel sequenceHolderPanel = new Panel();
+
+  protected Scrollbar vscroll = new Scrollbar();
+
+  protected Scrollbar hscroll = new Scrollbar();
+
+  protected Panel seqPanelHolder = new Panel();
+
+  BorderLayout borderLayout1 = new BorderLayout();
+
+  BorderLayout borderLayout3 = new BorderLayout();
+
+  protected Panel scalePanelHolder = new Panel();
+
+  protected Panel idPanelHolder = new Panel();
+
+  BorderLayout borderLayout5 = new BorderLayout();
+
+  protected Panel idSpaceFillerPanel1 = new Panel();
+
+  public Panel annotationSpaceFillerHolder = new Panel();
+
+  BorderLayout borderLayout6 = new BorderLayout();
+
+  BorderLayout borderLayout7 = new BorderLayout();
+
+  Panel hscrollHolder = new Panel();
+
+  BorderLayout borderLayout10 = new BorderLayout();
+
+  protected Panel hscrollFillerPanel = new Panel();
+
+  BorderLayout borderLayout11 = new BorderLayout();
+
+  BorderLayout borderLayout4 = new BorderLayout();
+
+  BorderLayout borderLayout2 = new BorderLayout();
+
+  Panel annotationPanelHolder = new Panel();
+
+  protected Scrollbar apvscroll = new Scrollbar();
+
+  BorderLayout borderLayout12 = new BorderLayout();
+
+  private void jbInit() throws Exception
+  {
+    // idPanelHolder.setPreferredSize(new Dimension(70, 10));
+    this.setLayout(borderLayout7);
+
+    //sequenceHolderPanel.setPreferredSize(new Dimension(150, 150));
+    sequenceHolderPanel.setLayout(borderLayout3);
+    seqPanelHolder.setLayout(borderLayout1);
+    scalePanelHolder.setBackground(Color.white);
+
+    // scalePanelHolder.setPreferredSize(new Dimension(10, 30));
+    scalePanelHolder.setLayout(borderLayout6);
+    idPanelHolder.setLayout(borderLayout5);
+    idSpaceFillerPanel1.setBackground(Color.white);
+
+    // idSpaceFillerPanel1.setPreferredSize(new Dimension(10, 30));
+    idSpaceFillerPanel1.setLayout(borderLayout11);
+    annotationSpaceFillerHolder.setBackground(Color.white);
+
+    // annotationSpaceFillerHolder.setPreferredSize(new Dimension(10, 80));
+    annotationSpaceFillerHolder.setLayout(borderLayout4);
+    hscroll.setOrientation(Scrollbar.HORIZONTAL);
+    hscrollHolder.setLayout(borderLayout10);
+    hscrollFillerPanel.setBackground(Color.white);
+    apvscroll.setOrientation(Scrollbar.VERTICAL);
+    apvscroll.setVisible(true);
+    apvscroll.addAdjustmentListener(this);
+
+    annotationPanelHolder.setBackground(Color.white);
+    annotationPanelHolder.setLayout(borderLayout12);
+    annotationPanelHolder.add(apvscroll, BorderLayout.EAST);
+    // hscrollFillerPanel.setPreferredSize(new Dimension(70, 10));
+    hscrollHolder.setBackground(Color.white);
+
+    // annotationScroller.setPreferredSize(new Dimension(10, 80));
+    // this.setPreferredSize(new Dimension(220, 166));
+    seqPanelHolder.setBackground(Color.white);
+    idPanelHolder.setBackground(Color.white);
+    sequenceHolderPanel.add(scalePanelHolder, BorderLayout.NORTH);
+    sequenceHolderPanel.add(seqPanelHolder, BorderLayout.CENTER);
+    seqPanelHolder.add(vscroll, BorderLayout.EAST);
+
+    // Panel3.add(secondaryPanelHolder, BorderLayout.SOUTH);
+    this.add(idPanelHolder, BorderLayout.WEST);
+    idPanelHolder.add(idSpaceFillerPanel1, BorderLayout.NORTH);
+    idPanelHolder.add(annotationSpaceFillerHolder, BorderLayout.SOUTH);
+    this.add(hscrollHolder, BorderLayout.SOUTH);
+    hscrollHolder.add(hscroll, BorderLayout.CENTER);
+    hscrollHolder.add(hscrollFillerPanel, BorderLayout.WEST);
+    this.add(sequenceHolderPanel, BorderLayout.CENTER);
+  }
+
+  /**
+   * hides or shows dynamic annotation rows based on groups and av state flags
+   */
+  public void updateAnnotation()
+  {
+    updateAnnotation(false);
+  }
+
+  public void updateAnnotation(boolean applyGlobalSettings)
+  {
+    // TODO: this should be merged with other annotation update stuff - that
+    // sits on AlignViewport
+    boolean updateCalcs = false;
+    boolean conv = av.isShowGroupConservation();
+    boolean cons = av.isShowGroupConsensus();
+    boolean showprf = av.isShowSequenceLogo();
+    boolean showConsHist = av.isShowConsensusHistogram();
+
+    boolean sortg = true;
+
+    // remove old automatic annotation
+    // add any new annotation
+
+    Vector gr = av.alignment.getGroups(); // OrderedBy(av.alignment.getSequencesArray());
+    // intersect alignment annotation with alignment groups
+
+    AlignmentAnnotation[] aan = av.alignment.getAlignmentAnnotation();
+    Hashtable oldrfs = new Hashtable();
+    if (aan != null)
+    {
+      for (int an = 0; an < aan.length; an++)
+      {
+        if (aan[an].autoCalculated && aan[an].groupRef != null)
+        {
+          oldrfs.put(aan[an].groupRef, aan[an].groupRef);
+          av.alignment.deleteAnnotation(aan[an]);
+          aan[an] = null;
+        }
+      }
+    }
+    SequenceGroup sg;
+    if (gr != null)
+    {
+      for (int g = 0; g < gr.size(); g++)
+      {
+        updateCalcs = false;
+        sg = (SequenceGroup) gr.elementAt(g);
+        if (applyGlobalSettings || !oldrfs.containsKey(sg))
+        {
+          // set defaults for this group's conservation/consensus
+          sg.setshowSequenceLogo(showprf);
+          sg.setShowConsensusHistogram(showConsHist);
+        }
+        if (conv)
+        {
+          updateCalcs = true;
+          av.alignment.addAnnotation(sg.getConservationRow(), 0);
+        }
+        if (cons)
+        {
+          updateCalcs = true;
+          av.alignment.addAnnotation(sg.getConsensus(), 0);
+        }
+        // refresh the annotation rows
+        if (updateCalcs)
+        {
+          sg.recalcConservation();
+        }
+      }
+    }
+    oldrfs.clear();
+    adjustAnnotationHeight();
+  }
+
+  @Override
+  public AlignmentI getAlignment()
+  {
+    return av.alignment;
+  }
+  @Override
+  public StructureSelectionManager getStructureSelectionManager()
+  {
+    return StructureSelectionManager.getStructureSelectionManager(av.applet);
+  }
+
+}