JAL-2089 patch broken merge to master for Release 2.10.0b1
[jalview.git] / src / jalview / appletgui / AlignViewport.java
old mode 100755 (executable)
new mode 100644 (file)
index ad7113a..e5178cb
-/*\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.util.*;\r
-\r
-import java.awt.*;\r
-\r
-import jalview.analysis.*;\r
-import jalview.bin.*;\r
-import jalview.datamodel.*;\r
-import jalview.schemes.*;\r
-\r
-public class AlignViewport\r
-{\r
-  int startRes;\r
-  int endRes;\r
-\r
-  int startSeq;\r
-  int endSeq;\r
-\r
-\r
-  boolean cursorMode = false;\r
-\r
-  boolean showJVSuffix = true;\r
-  boolean showText = true;\r
-  boolean showColourText = false;\r
-  boolean showBoxes = true;\r
-  boolean wrapAlignment = false;\r
-  boolean renderGaps = true;\r
-  boolean showSequenceFeatures = false;\r
-  boolean showAnnotation = true;\r
-  boolean showConservation = true;\r
-  boolean showQuality = true;\r
-  boolean showConsensus = true;\r
-  boolean upperCasebold = false;\r
-\r
-  boolean colourAppliesToAllGroups = true;\r
-  ColourSchemeI globalColourScheme = null;\r
-  boolean conservationColourSelected = false;\r
-  boolean abovePIDThreshold = false;\r
-\r
-  SequenceGroup selectionGroup;\r
-\r
-  int charHeight;\r
-  int charWidth;\r
-  int wrappedWidth;\r
-\r
-  Font font = new Font("SansSerif", Font.PLAIN, 10);\r
-  boolean validCharWidth = true;\r
-  AlignmentI alignment;\r
-\r
-  ColumnSelection colSel = new ColumnSelection();\r
-\r
-  int threshold;\r
-  int increment;\r
-\r
-  NJTree currentTree = null;\r
-\r
-  boolean scaleAboveWrapped = true;\r
-  boolean scaleLeftWrapped = true;\r
-  boolean scaleRightWrapped = true;\r
-\r
-  // The following vector holds the features which are\r
- // currently visible, in the correct order or rendering\r
-  public Hashtable featuresDisplayed;\r
-\r
-  boolean hasHiddenColumns = false;\r
-  boolean hasHiddenRows = false;\r
-  boolean showHiddenMarkers = true;\r
-\r
-\r
-  public Hashtable [] hconsensus;\r
-  AlignmentAnnotation consensus;\r
-  AlignmentAnnotation conservation;\r
-  AlignmentAnnotation quality;\r
-\r
-  boolean autocalculateConsensus = true;\r
-\r
-  public int ConsPercGaps = 25; // JBPNote : This should be a scalable property!\r
-\r
-  private java.beans.PropertyChangeSupport changeSupport = new java.beans.PropertyChangeSupport(this);\r
-\r
-  boolean ignoreGapsInConsensusCalculation = false;\r
-\r
-  jalview.bin.JalviewLite applet;\r
-\r
-  Hashtable sequenceColours;\r
-\r
-  boolean MAC = false;\r
-\r
-  Stack historyList = new Stack();\r
-  Stack redoList = new Stack();\r
-\r
-  String sequenceSetID;\r
-\r
-  public AlignViewport(AlignmentI al, JalviewLite applet)\r
-  {\r
-    this.applet = applet;\r
-    setAlignment(al);\r
-    this.startRes = 0;\r
-    this.endRes = al.getWidth() - 1;\r
-    this.startSeq = 0;\r
-    this.endSeq = al.getHeight() - 1;\r
-    setFont(font);\r
-\r
-    if(System.getProperty("os.name").startsWith("Mac"))\r
-      MAC = true;\r
-\r
-    if (applet != null)\r
-    {\r
-      String param = applet.getParameter("showFullId");\r
-      if (param != null)\r
-      {\r
-        showJVSuffix = Boolean.valueOf(param).booleanValue();\r
-      }\r
-\r
-      param = applet.getParameter("showAnnotation");\r
-      if (param != null)\r
-      {\r
-        showAnnotation = Boolean.valueOf(param).booleanValue();\r
-      }\r
-\r
-      param = applet.getParameter("showConservation");\r
-      if (param != null)\r
-      {\r
-        showConservation = Boolean.valueOf(param).booleanValue();\r
-      }\r
-\r
-      param = applet.getParameter("showQuality");\r
-      if (param != null)\r
-      {\r
-        showQuality = Boolean.valueOf(param).booleanValue();\r
-      }\r
-\r
-      param = applet.getParameter("showConsensus");\r
-      if (param != null)\r
-      {\r
-        showConsensus = Boolean.valueOf(param).booleanValue();\r
-      }\r
-\r
-      param = applet.getParameter("upperCase");\r
-      if (param != null)\r
-      {\r
-        if(param.equalsIgnoreCase("bold"))\r
-          upperCasebold = true;\r
-      }\r
-\r
-    }\r
-\r
-    if (applet != null)\r
-    {\r
-      String colour = applet.getParameter("defaultColour");\r
-\r
-      if(colour == null)\r
-      {\r
-        colour = applet.getParameter("userDefinedColour");\r
-        if(colour !=null)\r
-          colour = "User Defined";\r
-      }\r
-\r
-      if(colour != null)\r
-      {\r
-        globalColourScheme = ColourSchemeProperty.getColour(alignment, colour);\r
-        if (globalColourScheme != null)\r
-        {\r
-          globalColourScheme.setConsensus(hconsensus);\r
-        }\r
-      }\r
-\r
-      if(applet.getParameter("userDefinedColour")!=null)\r
-      {\r
-        ((UserColourScheme)globalColourScheme).parseAppletParameter(\r
-            applet.getParameter("userDefinedColour"));\r
-      }\r
-\r
-      if(hconsensus==null)\r
-      {\r
-        if(!alignment.isNucleotide())\r
-        {\r
-          conservation = new AlignmentAnnotation("Conservation",\r
-              "Conservation of total alignment less than " +\r
-              ConsPercGaps + "% gaps",\r
-              new Annotation[1], 0f,\r
-              11f,\r
-              AlignmentAnnotation.BAR_GRAPH);\r
-          conservation.hasText = true;\r
-\r
-\r
-          if (showConservation)\r
-          {\r
-            alignment.addAnnotation(conservation);\r
-          }\r
-\r
-          if (showQuality)\r
-          {\r
-            quality = new AlignmentAnnotation("Quality",\r
-                                              "Alignment Quality based on Blosum62 scores",\r
-                                              new Annotation[1],\r
-                                              0f,\r
-                                              11f,\r
-                                              AlignmentAnnotation.BAR_GRAPH);\r
-            quality.hasText = true;\r
-\r
-            alignment.addAnnotation(quality);\r
-          }\r
-        }\r
-\r
-        consensus = new AlignmentAnnotation("Consensus", "PID",\r
-                                             new Annotation[1], 0f, 100f,\r
-                                             AlignmentAnnotation.BAR_GRAPH);\r
-        consensus.hasText = true;\r
-\r
-         if (showConsensus)\r
-         {\r
-           alignment.addAnnotation(consensus);\r
-         }\r
-      }\r
-    }\r
-  }\r
-\r
-  public void showSequenceFeatures(boolean b)\r
-  {\r
-    showSequenceFeatures = b;\r
-  }\r
-\r
-  public boolean getShowSequenceFeatures()\r
-  {\r
-    return showSequenceFeatures;\r
-  }\r
-\r
-\r
-  class ConservationThread extends Thread\r
-  {\r
-    AlignmentPanel ap;\r
-    public ConservationThread(AlignmentPanel ap)\r
-    {\r
-      this.ap = ap;\r
-    }\r
-\r
-    public void run()\r
-    {\r
-      try\r
-      {\r
-        updatingConservation = true;\r
-\r
-        while (UPDATING_CONSERVATION)\r
-        {\r
-          try\r
-          {\r
-            if (ap != null)\r
-            {\r
-              ap.repaint();\r
-            }\r
-            Thread.sleep(200);\r
-          }\r
-          catch (Exception ex)\r
-          {\r
-            ex.printStackTrace();\r
-          }\r
-        }\r
-\r
-        UPDATING_CONSERVATION = true;\r
-\r
-\r
-        int alWidth = alignment.getWidth();\r
-        if(alWidth<0)\r
-          return;\r
-\r
-        Conservation cons = new jalview.analysis.Conservation("All",\r
-            jalview.schemes.ResidueProperties.propHash, 3,\r
-            alignment.getSequences(), 0, alWidth -1);\r
-\r
-        cons.calculate();\r
-        cons.verdict(false, ConsPercGaps);\r
-\r
-        if (quality!=null)\r
-        {\r
-          cons.findQuality();\r
-        }\r
-\r
-        char [] sequence = cons.getConsSequence().getSequence();\r
-        float minR;\r
-        float minG;\r
-        float minB;\r
-        float maxR;\r
-        float maxG;\r
-        float maxB;\r
-        minR = 0.3f;\r
-        minG = 0.0f;\r
-        minB = 0f;\r
-        maxR = 1.0f - minR;\r
-        maxG = 0.9f - minG;\r
-        maxB = 0f - minB; // scalable range for colouring both Conservation and Quality\r
-\r
-        float min = 0f;\r
-        float max = 11f;\r
-        float qmin = 0f;\r
-        float qmax = 0f;\r
-\r
-        char c;\r
-\r
-        conservation.annotations = new Annotation[alWidth];\r
-\r
-        if (quality!=null)\r
-        {\r
-          quality.graphMax = cons.qualityRange[1].floatValue();\r
-          quality.annotations = new Annotation[alWidth];\r
-          qmin = cons.qualityRange[0].floatValue();\r
-          qmax = cons.qualityRange[1].floatValue();\r
-        }\r
-\r
-        for (int i = 0; i < alWidth; i++)\r
-        {\r
-          float value = 0;\r
-\r
-          c = sequence[i];\r
-\r
-          if (Character.isDigit(c))\r
-            value = (int) (c - '0');\r
-          else if (c == '*')\r
-            value = 11;\r
-          else if (c == '+')\r
-            value = 10;\r
-\r
-          float vprop = value - min;\r
-          vprop /= max;\r
-          conservation.annotations[i] =\r
-              new Annotation(String.valueOf(c),\r
-                             String.valueOf(value), ' ', value,\r
-                             new Color(minR + (maxR * vprop),\r
-                                       minG + (maxG * vprop),\r
-                                       minB + (maxB * vprop)));\r
-\r
-          // Quality calc\r
-          if (quality!=null)\r
-          {\r
-            value = ( (Double) cons.quality.elementAt(i)).floatValue();\r
-            vprop = value - qmin;\r
-            vprop /= qmax;\r
-            quality.annotations[i] = new Annotation(" ", String.valueOf(value), ' ',\r
-                                             value,\r
-                                             new Color(minR + (maxR * vprop),\r
-                minG + (maxG * vprop),\r
-                minB + (maxB * vprop)));\r
-          }\r
-        }\r
-      }\r
-      catch (OutOfMemoryError error)\r
-      {\r
-        System.out.println("Out of memory calculating conservation!!");\r
-        conservation = null;\r
-        quality = null;\r
-        System.gc();\r
-      }\r
-\r
-      UPDATING_CONSERVATION = false;\r
-      updatingConservation = false;\r
-\r
-      if(ap!=null)\r
-      {\r
-        ap.repaint();\r
-      }\r
-\r
-    }\r
-  }\r
-\r
-\r
-  ConservationThread conservationThread;\r
-\r
-  ConsensusThread consensusThread;\r
-\r
-  boolean consUpdateNeeded = false;\r
-\r
-  static boolean UPDATING_CONSENSUS = false;\r
-\r
-  static boolean UPDATING_CONSERVATION = false;\r
-\r
-  boolean updatingConsensus = false;\r
-\r
-  boolean updatingConservation = false;\r
-\r
-  /**\r
-   * DOCUMENT ME!\r
-   */\r
-  public void updateConservation(final AlignmentPanel ap)\r
-  {\r
-    if (alignment.isNucleotide() || conservation==null)\r
-      return;\r
-\r
-    conservationThread = new ConservationThread(ap);\r
-    conservationThread.start();\r
-  }\r
-\r
-  /**\r
-   * DOCUMENT ME!\r
-   */\r
-  public void updateConsensus(final AlignmentPanel ap)\r
-  {\r
-    consensusThread = new ConsensusThread(ap);\r
-    consensusThread.start();\r
-  }\r
-\r
-\r
-  class ConsensusThread extends Thread\r
-  {\r
-    AlignmentPanel ap;\r
-    public ConsensusThread(AlignmentPanel ap)\r
-    {\r
-      this.ap = ap;\r
-    }\r
-    public void run()\r
-    {\r
-      updatingConsensus = true;\r
-      while (UPDATING_CONSENSUS)\r
-      {\r
-        try\r
-        {\r
-          if (ap != null)\r
-          {\r
-            ap.repaint();\r
-          }\r
-\r
-          Thread.sleep(200);\r
-        }\r
-        catch (Exception ex)\r
-        {\r
-          ex.printStackTrace();\r
-        }\r
-      }\r
-\r
-\r
-      UPDATING_CONSENSUS = true;\r
-\r
-      try\r
-      {\r
-        int aWidth = alignment.getWidth();\r
-        if(aWidth<0)\r
-          return;\r
-\r
-        consensus.annotations = null;\r
-        consensus.annotations = new Annotation[aWidth];\r
-\r
-\r
-        hconsensus = new Hashtable[aWidth];\r
-        AAFrequency.calculate(alignment.getSequencesArray(),\r
-                              0,\r
-                              alignment.getWidth(),\r
-                              hconsensus);\r
-\r
-        for (int i = 0; i < aWidth; i++)\r
-        {\r
-          float value = 0;\r
-          if (ignoreGapsInConsensusCalculation)\r
-            value = ( (Float) hconsensus[i].get(AAFrequency.PID_NOGAPS)).\r
-                floatValue();\r
-          else\r
-            value = ( (Float) hconsensus[i].get(AAFrequency.PID_GAPS)).\r
-                floatValue();\r
-\r
-          String maxRes = hconsensus[i].get(AAFrequency.MAXRESIDUE).toString();\r
-          String mouseOver = hconsensus[i].get(AAFrequency.MAXRESIDUE) + " ";\r
-\r
-          if (maxRes.length() > 1)\r
-          {\r
-            mouseOver = "[" + maxRes + "] ";\r
-            maxRes = "+";\r
-          }\r
-\r
-          mouseOver += ( (int) value + "%");\r
-          consensus.annotations[i] = new Annotation(maxRes, mouseOver, ' ', value);\r
-        }\r
-\r
-\r
-        if (globalColourScheme != null)\r
-          globalColourScheme.setConsensus(hconsensus);\r
-\r
-      }\r
-      catch (OutOfMemoryError error)\r
-      {\r
-        alignment.deleteAnnotation(consensus);\r
-\r
-        consensus = null;\r
-        hconsensus = null;\r
-        System.out.println("Out of memory calculating consensus!!");\r
-        System.gc();\r
-      }\r
-      UPDATING_CONSENSUS = false;\r
-      updatingConsensus = false;\r
-\r
-      if (ap != null)\r
-      {\r
-        ap.repaint();\r
-      }\r
-    }\r
-  }\r
-\r
-  /**\r
-   * get the consensus sequence as displayed under the PID consensus annotation row.\r
-   * @return consensus sequence as a new sequence object\r
-   */\r
-  /**\r
-   * get the consensus sequence as displayed under the PID consensus annotation row.\r
-   * @return consensus sequence as a new sequence object\r
-   */\r
-  public SequenceI getConsensusSeq()\r
-  {\r
-    if (consensus==null)\r
-      return null;\r
-    StringBuffer seqs=new StringBuffer();\r
-    for (int i=0; i<consensus.annotations.length; i++) {\r
-      if (consensus.annotations[i]!=null) {\r
-        if (consensus.annotations[i].description.charAt(0) == '[')\r
-          seqs.append(consensus.annotations[i].description.charAt(1));\r
-        else\r
-          seqs.append(consensus.annotations[i].displayCharacter);\r
-      }\r
-    }\r
-    SequenceI sq = new Sequence("Consensus", seqs.toString());\r
-    sq.setDescription("Percentage Identity Consensus "+((ignoreGapsInConsensusCalculation) ? " without gaps" : ""));\r
-    return sq;\r
-  }\r
-  public SequenceGroup getSelectionGroup()\r
-  {\r
-    return selectionGroup;\r
-  }\r
-\r
-  public void setSelectionGroup(SequenceGroup sg)\r
-  {\r
-    selectionGroup = sg;\r
-  }\r
-\r
-  public boolean getConservationSelected()\r
-  {\r
-    return conservationColourSelected;\r
-  }\r
-\r
-  public void setConservationSelected(boolean b)\r
-  {\r
-    conservationColourSelected = b;\r
-  }\r
-\r
-  public boolean getAbovePIDThreshold()\r
-  {\r
-    return abovePIDThreshold;\r
-  }\r
-\r
-  public void setAbovePIDThreshold(boolean b)\r
-  {\r
-    abovePIDThreshold = b;\r
-  }\r
-\r
-  public int getStartRes()\r
-  {\r
-    return startRes;\r
-  }\r
-\r
-  public int getEndRes()\r
-  {\r
-    return endRes;\r
-  }\r
-\r
-  public int getStartSeq()\r
-  {\r
-    return startSeq;\r
-  }\r
-\r
-  public void setGlobalColourScheme(ColourSchemeI cs)\r
-  {\r
-    globalColourScheme = cs;\r
-  }\r
-\r
-  public ColourSchemeI getGlobalColourScheme()\r
-  {\r
-    return globalColourScheme;\r
-  }\r
-\r
-  public void setStartRes(int res)\r
-  {\r
-    this.startRes = res;\r
-  }\r
-\r
-  public void setStartSeq(int seq)\r
-  {\r
-    this.startSeq = seq;\r
-  }\r
-\r
-  public void setEndRes(int res)\r
-  {\r
-    if (res > alignment.getWidth() - 1)\r
-    {\r
-      // log.System.out.println(" Corrected res from " + res + " to maximum " + (alignment.getWidth()-1));\r
-      res = alignment.getWidth() - 1;\r
-    }\r
-    if (res < 0)\r
-    {\r
-      res = 0;\r
-    }\r
-    this.endRes = res;\r
-  }\r
-\r
-  public void setEndSeq(int seq)\r
-  {\r
-    if (seq > alignment.getHeight())\r
-    {\r
-      seq = alignment.getHeight();\r
-    }\r
-    if (seq < 0)\r
-    {\r
-      seq = 0;\r
-    }\r
-    this.endSeq = seq;\r
-  }\r
-\r
-  public int getEndSeq()\r
-  {\r
-    return endSeq;\r
-  }\r
-\r
-  java.awt.Frame nullFrame;\r
-  public void setFont(Font f)\r
-  {\r
-    font = f;\r
-    if(nullFrame == null)\r
-    {\r
-      nullFrame = new java.awt.Frame();\r
-      nullFrame.addNotify();\r
-    }\r
-\r
-    java.awt.FontMetrics fm = nullFrame.getGraphics().getFontMetrics(font);\r
-    setCharHeight(fm.getHeight());\r
-    charWidth = fm.charWidth('M');\r
-\r
-    if(upperCasebold)\r
-    {\r
-      Font f2 = new Font(f.getName(), Font.BOLD, f.getSize());\r
-      fm = nullFrame.getGraphics().getFontMetrics(f2);\r
-      charWidth = fm.stringWidth("MMMMMMMMMMM") / 10;\r
-    }\r
-  }\r
-\r
-  public Font getFont()\r
-  {\r
-    return font;\r
-  }\r
-\r
-  public int getCharWidth()\r
-  {\r
-    return charWidth;\r
-  }\r
-\r
-  public void setCharHeight(int h)\r
-  {\r
-    this.charHeight = h;\r
-  }\r
-\r
-  public int getCharHeight()\r
-  {\r
-    return charHeight;\r
-  }\r
-\r
-  public void setWrappedWidth(int w)\r
-  {\r
-    this.wrappedWidth = w;\r
-  }\r
-\r
-  public int getwrappedWidth()\r
-  {\r
-    return wrappedWidth;\r
-  }\r
-\r
-  public AlignmentI getAlignment()\r
-  {\r
-    return alignment;\r
-  }\r
-\r
-  public void setAlignment(AlignmentI align)\r
-  {\r
-    this.alignment = align;\r
-  }\r
-\r
-  public void setWrapAlignment(boolean state)\r
-  {\r
-    wrapAlignment = state;\r
-  }\r
-\r
-  public void setShowText(boolean state)\r
-  {\r
-    showText = state;\r
-  }\r
-\r
-  public void setRenderGaps(boolean state)\r
-  {\r
-    renderGaps = state;\r
-  }\r
-\r
-  public boolean getColourText()\r
-  {\r
-    return showColourText;\r
-  }\r
-\r
-  public void setColourText(boolean state)\r
-  {\r
-    showColourText = state;\r
-  }\r
-\r
-  public void setShowBoxes(boolean state)\r
-  {\r
-    showBoxes = state;\r
-  }\r
-\r
-  public boolean getWrapAlignment()\r
-  {\r
-    return wrapAlignment;\r
-  }\r
-\r
-  public boolean getShowText()\r
-  {\r
-    return showText;\r
-  }\r
-\r
-  public boolean getShowBoxes()\r
-  {\r
-    return showBoxes;\r
-  }\r
-\r
-  public char getGapCharacter()\r
-  {\r
-    return getAlignment().getGapCharacter();\r
-  }\r
-\r
-  public void setGapCharacter(char gap)\r
-  {\r
-    if (getAlignment() != null)\r
-    {\r
-      getAlignment().setGapCharacter(gap);\r
-    }\r
-  }\r
-\r
-  public void setThreshold(int thresh)\r
-  {\r
-    threshold = thresh;\r
-  }\r
-\r
-  public int getThreshold()\r
-  {\r
-    return threshold;\r
-  }\r
-\r
-  public void setIncrement(int inc)\r
-  {\r
-    increment = inc;\r
-  }\r
-\r
-  public int getIncrement()\r
-  {\r
-    return increment;\r
-  }\r
-\r
-  public void setHiddenColumns(ColumnSelection colsel)\r
-  {\r
-    this.colSel = colsel;\r
-    if(colSel.getHiddenColumns()!=null)\r
-      hasHiddenColumns = true;\r
-  }\r
-\r
-  public ColumnSelection getColumnSelection()\r
-  {\r
-    return colSel;\r
-  }\r
-\r
-  public void resetSeqLimits(int height)\r
-  {\r
-    setEndSeq(height / getCharHeight());\r
-  }\r
-\r
-  public void setCurrentTree(NJTree tree)\r
-  {\r
-    currentTree = tree;\r
-  }\r
-\r
-  public NJTree getCurrentTree()\r
-  {\r
-    return currentTree;\r
-  }\r
-\r
-  public void setColourAppliesToAllGroups(boolean b)\r
-  {\r
-    colourAppliesToAllGroups = b;\r
-  }\r
-\r
-  public boolean getColourAppliesToAllGroups()\r
-  {\r
-    return colourAppliesToAllGroups;\r
-  }\r
-\r
-  public boolean getShowJVSuffix()\r
-  {\r
-    return showJVSuffix;\r
-  }\r
-\r
-  public void setShowJVSuffix(boolean b)\r
-  {\r
-    showJVSuffix = b;\r
-  }\r
-\r
-  public boolean getShowAnnotation()\r
-  {\r
-    return showAnnotation;\r
-  }\r
-\r
-  public void setShowAnnotation(boolean b)\r
-  {\r
-    showAnnotation = b;\r
-  }\r
-\r
-  public boolean getScaleAboveWrapped()\r
-  {\r
-    return scaleAboveWrapped;\r
-  }\r
-\r
-  public boolean getScaleLeftWrapped()\r
-  {\r
-    return scaleLeftWrapped;\r
-  }\r
-\r
-  public boolean getScaleRightWrapped()\r
-  {\r
-    return scaleRightWrapped;\r
-  }\r
-\r
-  public void setScaleAboveWrapped(boolean b)\r
-  {\r
-    scaleAboveWrapped = b;\r
-  }\r
-\r
-  public void setScaleLeftWrapped(boolean b)\r
-  {\r
-    scaleLeftWrapped = b;\r
-  }\r
-\r
-  public void setScaleRightWrapped(boolean b)\r
-  {\r
-    scaleRightWrapped = b;\r
-  }\r
-\r
-  public void setIgnoreGapsConsensus(boolean b)\r
-  {\r
-    ignoreGapsInConsensusCalculation = b;\r
-    updateConsensus(null);\r
-    if (globalColourScheme!=null)\r
-    {\r
-      globalColourScheme.setThreshold(globalColourScheme.getThreshold(),\r
-          ignoreGapsInConsensusCalculation);\r
-\r
-    }\r
-  }\r
-\r
-  /**\r
-   * Property change listener for changes in alignment\r
-   *\r
-   * @param listener DOCUMENT ME!\r
-   */\r
-  public void addPropertyChangeListener(\r
-      java.beans.PropertyChangeListener listener)\r
-  {\r
-      changeSupport.addPropertyChangeListener(listener);\r
-  }\r
-\r
-  /**\r
-   * DOCUMENT ME!\r
-   *\r
-   * @param listener DOCUMENT ME!\r
-   */\r
-  public void removePropertyChangeListener(\r
-      java.beans.PropertyChangeListener listener)\r
-  {\r
-      changeSupport.removePropertyChangeListener(listener);\r
-  }\r
-\r
-  /**\r
-   * Property change listener for changes in alignment\r
-   *\r
-   * @param prop DOCUMENT ME!\r
-   * @param oldvalue DOCUMENT ME!\r
-   * @param newvalue DOCUMENT ME!\r
-   */\r
-  public void firePropertyChange(String prop, Object oldvalue, Object newvalue)\r
-  {\r
-      changeSupport.firePropertyChange(prop, oldvalue, newvalue);\r
-  }\r
-\r
-\r
-\r
-  public boolean getIgnoreGapsConsensus()\r
-  {\r
-    return ignoreGapsInConsensusCalculation;\r
-  }\r
-  public void hideSelectedColumns()\r
-  {\r
-    if (colSel.size() < 1)\r
-      return;\r
-\r
-    colSel.hideSelectedColumns();\r
-    setSelectionGroup(null);\r
-\r
-    hasHiddenColumns = true;\r
-  }\r
-\r
-  public void invertColumnSelection()\r
-  {\r
-    for (int i = 0; i < alignment.getWidth(); i++)\r
-    {\r
-      if (colSel.contains(i))\r
-        colSel.removeElement(i);\r
-      else\r
-      {\r
-        if (!hasHiddenColumns || colSel.isVisible(i))\r
-        {\r
-          colSel.addElement(i);\r
-        }\r
-      }\r
-    }\r
-  }\r
-\r
-\r
-  public void hideColumns(int start, int end)\r
-  {\r
-    if(start==end)\r
-      colSel.hideColumns(start);\r
-    else\r
-      colSel.hideColumns(start, end);\r
-\r
-    hasHiddenColumns = true;\r
-  }\r
-\r
-  public void hideAllSelectedSeqs()\r
-  {\r
-    if (selectionGroup == null)\r
-      return;\r
-\r
-    SequenceI[] seqs = selectionGroup.getSequencesInOrder(alignment);\r
-\r
-    hideSequence(seqs);\r
-\r
-    setSelectionGroup(null);\r
-  }\r
-\r
-  public void hideSequence(SequenceI [] seq)\r
-  {\r
-    if(seq!=null)\r
-    {\r
-      for (int i = 0; i < seq.length; i++)\r
-        alignment.getHiddenSequences().hideSequence(seq[i]);\r
-\r
-      hasHiddenRows = true;\r
-      firePropertyChange("alignment", null, alignment.getSequences());\r
-    }\r
-  }\r
-\r
-  public void showColumn(int col)\r
-  {\r
-    colSel.revealHiddenColumns(col);\r
-    if(colSel.getHiddenColumns()==null)\r
-      hasHiddenColumns = false;\r
-  }\r
-\r
-  public void showAllHiddenColumns()\r
-  {\r
-    colSel.revealAllHiddenColumns();\r
-    hasHiddenColumns = false;\r
-  }\r
-\r
-  public void showAllHiddenSeqs()\r
-  {\r
-    if(alignment.getHiddenSequences().getSize()>0)\r
-    {\r
-      if(selectionGroup==null)\r
-      {\r
-        selectionGroup = new SequenceGroup();\r
-        selectionGroup.setEndRes(alignment.getWidth()-1);\r
-      }\r
-      Vector tmp = alignment.getHiddenSequences().showAll();\r
-      for(int t=0; t<tmp.size(); t++)\r
-      {\r
-        selectionGroup.addSequence(\r
-            (SequenceI)tmp.elementAt(t), false\r
-            );\r
-      }\r
-      firePropertyChange("alignment", null, alignment.getSequences());\r
-      hasHiddenRows = false;\r
-    }\r
-  }\r
-\r
-  public int adjustForHiddenSeqs(int alignmentIndex)\r
-  {\r
-    return alignment.getHiddenSequences().adjustForHiddenSeqs(alignmentIndex);\r
-  }\r
-\r
-  /**\r
-   * This method returns the a new SequenceI [] with\r
-   * the selection sequence and start and end points adjusted\r
-   * @return String[]\r
-   */\r
-  public SequenceI[] getSelectionAsNewSequence()\r
-  {\r
-    SequenceI[] sequences;\r
-\r
-    if (selectionGroup == null)\r
-      sequences = alignment.getSequencesArray();\r
-    else\r
-      sequences = selectionGroup.getSelectionAsNewSequences(alignment);\r
-\r
-    return sequences;\r
-  }\r
-\r
-  /**\r
-   * This method returns the visible alignment as text, as\r
-   * seen on the GUI, ie if columns are hidden they will not\r
-   * be returned in the result.\r
-   * Use this for calculating trees, PCA, redundancy etc on views\r
-   * which contain hidden columns.\r
-   * @return String[]\r
-   */\r
-  public jalview.datamodel.CigarArray getViewAsCigars(boolean selectedRegionOnly)\r
-  {\r
-    CigarArray selection=null;\r
-    SequenceI [] seqs= null;\r
-    int i, iSize;\r
-    int start = 0, end = 0;\r
-    if(selectedRegionOnly && selectionGroup!=null)\r
-    {\r
-      iSize = selectionGroup.getSize(false);\r
-      seqs = selectionGroup.getSequencesInOrder(alignment);\r
-      start = selectionGroup.getStartRes();\r
-      end = selectionGroup.getEndRes(); // inclusive for start and end in SeqCigar constructor\r
-    }\r
-    else\r
-    {\r
-      iSize = alignment.getHeight();\r
-      seqs = alignment.getSequencesArray();\r
-      end = alignment.getWidth()-1;\r
-    }\r
-    SeqCigar[] selseqs = new SeqCigar[iSize];\r
-    for(i=0; i<iSize; i++)\r
-    {\r
-      selseqs[i] = new SeqCigar(seqs[i], start, end);\r
-    }\r
-    selection=new CigarArray(selseqs);\r
-    // now construct the CigarArray operations\r
-    if (hasHiddenColumns) {\r
-      Vector regions = colSel.getHiddenColumns();\r
-      int [] region;\r
-      int hideStart, hideEnd;\r
-      int last=start;\r
-      for (int j = 0; last<end & j < regions.size(); j++)\r
-      {\r
-        region = (int[]) regions.elementAt(j);\r
-        hideStart = region[0];\r
-        hideEnd = region[1];\r
-        // edit hidden regions to selection range\r
-        if(hideStart<last) {\r
-          if (hideEnd > last)\r
-          {\r
-            hideStart = last;\r
-          } else\r
-            continue;\r
-        }\r
-\r
-        if (hideStart>end)\r
-          break;\r
-\r
-        if (hideEnd>end)\r
-          hideEnd=end;\r
-\r
-        if (hideStart>hideEnd)\r
-          break;\r
-        /**\r
-         * form operations...\r
-         */\r
-        if (last<hideStart)\r
-          selection.addOperation(CigarArray.M, hideStart-last);\r
-        selection.addOperation(CigarArray.D, 1+hideEnd-hideStart);\r
-        last = hideEnd+1;\r
-      }\r
-      // Final match if necessary.\r
-      if (last<end)\r
-        selection.addOperation(CigarArray.M, end-last+1);\r
-    } else {\r
-      selection.addOperation(CigarArray.M, end-start+1);\r
-    }\r
-    return selection;\r
-  }\r
-  /**\r
-   * return a compact representation of the current alignment selection to\r
-   * pass to an analysis function\r
-   * @param selectedOnly boolean true to just return the selected view\r
-   * @return AlignmentView\r
-   */\r
-  jalview.datamodel.AlignmentView getAlignmentView(boolean selectedOnly) {\r
-    // JBPNote:\r
-    // this is here because the AlignmentView constructor modifies the CigarArray\r
-    // object. Refactoring of Cigar and alignment view representation should\r
-    // be done to remove redundancy.\r
-    CigarArray aligview = getViewAsCigars(selectedOnly);\r
-    if (aligview!=null) {\r
-      return new AlignmentView(aligview,\r
-          (selectedOnly && selectionGroup!=null) ? selectionGroup.getStartRes() : 0);\r
-    }\r
-    return null;\r
-  }\r
-  /**\r
-   * This method returns the visible alignment as text, as\r
-   * seen on the GUI, ie if columns are hidden they will not\r
-   * be returned in the result.\r
-   * Use this for calculating trees, PCA, redundancy etc on views\r
-   * which contain hidden columns.\r
-   * @return String[]\r
-   */\r
-  public String [] getViewAsString(boolean selectedRegionOnly)\r
-  {\r
-    String [] selection = null;\r
-    SequenceI [] seqs= null;\r
-    int i, iSize;\r
-    int start = 0, end = 0;\r
-    if(selectedRegionOnly && selectionGroup!=null)\r
-    {\r
-      iSize = selectionGroup.getSize(false);\r
-      seqs = selectionGroup.getSequencesInOrder(alignment);\r
-      start = selectionGroup.getStartRes();\r
-      end = selectionGroup.getEndRes()+1;\r
-    }\r
-    else\r
-    {\r
-      iSize = alignment.getHeight();\r
-      seqs = alignment.getSequencesArray();\r
-      end = alignment.getWidth();\r
-    }\r
-\r
-    selection = new String[iSize];\r
-\r
-\r
-    for(i=0; i<iSize; i++)\r
-    {\r
-      if (hasHiddenColumns)\r
-      {\r
-           StringBuffer visibleSeq = new StringBuffer();\r
-           Vector regions = colSel.getHiddenColumns();\r
-\r
-           int blockStart = start, blockEnd=end;\r
-           int [] region;\r
-           int hideStart, hideEnd;\r
-\r
-           for (int j = 0; j < regions.size(); j++)\r
-           {\r
-             region = (int[]) regions.elementAt(j);\r
-             hideStart = region[0];\r
-             hideEnd = region[1];\r
-\r
-             if(hideStart < start)\r
-             {\r
-               continue;\r
-             }\r
-\r
-             blockStart = Math.min(blockStart, hideEnd+1);\r
-             blockEnd = Math.min(blockEnd, hideStart);\r
-\r
-             if(blockStart>blockEnd)\r
-             {\r
-                break;\r
-             }\r
-\r
-\r
-             visibleSeq.append(seqs[i].getSequence(blockStart, blockEnd));\r
-\r
-             blockStart = hideEnd+1;\r
-             blockEnd = end;\r
-           }\r
-\r
-           if(end>blockStart)\r
-             visibleSeq.append(seqs[i].getSequence(blockStart, end));\r
-\r
-           selection[i] = visibleSeq.toString();\r
-      }\r
-      else\r
-      {\r
-        selection[i] = seqs[i].getSequenceAsString(start, end);\r
-      }\r
-    }\r
-\r
-    return selection;\r
-  }\r
-\r
-  public boolean getShowHiddenMarkers()\r
-  {\r
-    return showHiddenMarkers;\r
-  }\r
-\r
-  public void setShowHiddenMarkers(boolean show)\r
-  {\r
-    showHiddenMarkers = show;\r
-  }\r
-\r
-  public Color getSequenceColour(SequenceI seq)\r
-  {\r
-    if (sequenceColours == null || !sequenceColours.containsKey(seq))\r
-      return Color.white;\r
-    else\r
-      return (Color) sequenceColours.get(seq);\r
-  }\r
-\r
-  public void setSequenceColour(SequenceI seq, Color col)\r
-  {\r
-    if (sequenceColours == null)\r
-      sequenceColours = new Hashtable();\r
-\r
-    if (col == null)\r
-      sequenceColours.remove(seq);\r
-    else\r
-      sequenceColours.put(seq, col);\r
-  }\r
-\r
-  public String getSequenceSetId()\r
-  {\r
-    if (sequenceSetID == null)\r
-      sequenceSetID = alignment.hashCode() + "";\r
-\r
-    return sequenceSetID;\r
-  }\r
-\r
-  public void alignmentChanged(AlignmentPanel ap)\r
-  {\r
-    alignment.padGaps();\r
-\r
-    if (hconsensus != null && autocalculateConsensus)\r
-    {\r
-      updateConsensus(ap);\r
-      updateConservation(ap);\r
-    }\r
-\r
-    //Reset endRes of groups if beyond alignment width\r
-    int alWidth = alignment.getWidth();\r
-    Vector groups = alignment.getGroups();\r
-    if(groups!=null)\r
-    {\r
-      for(int i=0; i<groups.size(); i++)\r
-      {\r
-        SequenceGroup sg = (SequenceGroup)groups.elementAt(i);\r
-        if(sg.getEndRes()>alWidth)\r
-          sg.setEndRes(alWidth-1);\r
-      }\r
-    }\r
-\r
-    if(selectionGroup!=null && selectionGroup.getEndRes()>alWidth)\r
-      selectionGroup.setEndRes(alWidth-1);\r
-\r
-    resetAllColourSchemes();\r
-\r
-    alignment.adjustSequenceAnnotations();\r
-  }\r
-\r
-  void resetAllColourSchemes()\r
-  {\r
-    ColourSchemeI cs = globalColourScheme;\r
-    if(cs!=null)\r
-    {\r
-      if (cs instanceof ClustalxColourScheme)\r
-      {\r
-        ( (ClustalxColourScheme) cs).\r
-            resetClustalX(alignment.getSequences(),\r
-                          alignment.getWidth());\r
-      }\r
-\r
-      cs.setConsensus(hconsensus);\r
-      if (cs.conservationApplied())\r
-      {\r
-        Alignment al = (Alignment) alignment;\r
-        Conservation c = new Conservation("All",\r
-                                          ResidueProperties.propHash, 3,\r
-                                          al.getSequences(), 0,\r
-                                          al.getWidth() - 1);\r
-        c.calculate();\r
-        c.verdict(false, ConsPercGaps);\r
-\r
-        cs.setConservation(c);\r
-      }\r
-    }\r
-\r
-    int s, sSize = alignment.getGroups().size();\r
-    for(s=0; s<sSize; s++)\r
-    {\r
-      SequenceGroup sg = (SequenceGroup)alignment.getGroups().elementAt(s);\r
-      if(sg.cs!=null && sg.cs instanceof ClustalxColourScheme)\r
-      {\r
-        ((ClustalxColourScheme)sg.cs).resetClustalX(\r
-            sg.getSequences(true), sg.getWidth());\r
-      }\r
-      sg.recalcConservation();\r
-    }\r
-  }\r
-\r
-\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
+ * 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.appletgui;
+
+import jalview.analysis.NJTree;
+import jalview.api.AlignViewportI;
+import jalview.api.FeatureSettingsModelI;
+import jalview.bin.JalviewLite;
+import jalview.commands.CommandI;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.ColumnSelection;
+import jalview.datamodel.SearchResults;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.schemes.ColourSchemeProperty;
+import jalview.schemes.UserColourScheme;
+import jalview.structure.CommandListener;
+import jalview.structure.SelectionSource;
+import jalview.structure.StructureSelectionManager;
+import jalview.structure.VamsasSource;
+import jalview.viewmodel.AlignmentViewport;
+
+import java.awt.Font;
+
+public class AlignViewport extends AlignmentViewport implements
+        SelectionSource, VamsasSource, CommandListener
+{
+  boolean cursorMode = false;
+
+  Font font = new Font("SansSerif", Font.PLAIN, 10);
+
+  boolean validCharWidth = true;
+
+  NJTree currentTree = null;
+
+  public jalview.bin.JalviewLite applet;
+
+  boolean MAC = false;
+
+  private AnnotationColumnChooser annotationColumnSelectionState;
+
+  @Override
+  public void finalize()
+  {
+    applet = null;
+    quality = null;
+    alignment = null;
+    colSel = null;
+  }
+
+  public AlignViewport(AlignmentI al, JalviewLite applet)
+  {
+    super();
+    calculator = new jalview.workers.AlignCalcManager();
+    this.applet = applet;
+    alignment = al;
+    // we always pad gaps
+    this.setPadGaps(true);
+    this.startRes = 0;
+    this.endRes = al.getWidth() - 1;
+    this.startSeq = 0;
+    this.endSeq = al.getHeight() - 1;
+    if (applet != null)
+    {
+      // get the width and height scaling factors if they were specified
+      String param = applet.getParameter("widthScale");
+      if (param != null)
+      {
+        try
+        {
+          widthScale = new Float(param).floatValue();
+        } catch (Exception e)
+        {
+        }
+        if (widthScale <= 1.0)
+        {
+          System.err
+                  .println("Invalid alignment character width scaling factor ("
+                          + widthScale + "). Ignoring.");
+          widthScale = 1;
+        }
+        if (JalviewLite.debug)
+        {
+          System.err
+                  .println("Alignment character width scaling factor is now "
+                          + widthScale);
+        }
+      }
+      param = applet.getParameter("heightScale");
+      if (param != null)
+      {
+        try
+        {
+          heightScale = new Float(param).floatValue();
+        } catch (Exception e)
+        {
+        }
+        if (heightScale <= 1.0)
+        {
+          System.err
+                  .println("Invalid alignment character height scaling factor ("
+                          + heightScale + "). Ignoring.");
+          heightScale = 1;
+        }
+        if (JalviewLite.debug)
+        {
+          System.err
+                  .println("Alignment character height scaling factor is now "
+                          + heightScale);
+        }
+      }
+    }
+    setFont(font);
+
+    MAC = new jalview.util.Platform().isAMac();
+
+    if (applet != null)
+    {
+      setShowJVSuffix(applet.getDefaultParameter("showFullId",
+              getShowJVSuffix()));
+
+      setShowAnnotation(applet.getDefaultParameter("showAnnotation",
+              isShowAnnotation()));
+
+      showConservation = applet.getDefaultParameter("showConservation",
+              showConservation);
+
+      showQuality = applet.getDefaultParameter("showQuality", showQuality);
+
+      showConsensus = applet.getDefaultParameter("showConsensus",
+              showConsensus);
+
+      setShowUnconserved(applet.getDefaultParameter("showUnconserved",
+              getShowUnconserved()));
+
+      setScaleProteinAsCdna(applet.getDefaultParameter(
+              "scaleProteinAsCdna", isScaleProteinAsCdna()));
+
+      String param = applet.getParameter("upperCase");
+      if (param != null)
+      {
+        if (param.equalsIgnoreCase("bold"))
+        {
+          setUpperCasebold(true);
+        }
+      }
+      sortByTree = applet.getDefaultParameter("sortByTree", sortByTree);
+
+      setFollowHighlight(applet.getDefaultParameter("automaticScrolling",
+              isFollowHighlight()));
+      followSelection = isFollowHighlight();
+
+      showSequenceLogo = applet.getDefaultParameter("showSequenceLogo",
+              showSequenceLogo);
+
+      normaliseSequenceLogo = applet.getDefaultParameter(
+              "normaliseSequenceLogo", applet.getDefaultParameter(
+                      "normaliseLogo", normaliseSequenceLogo));
+
+      showGroupConsensus = applet.getDefaultParameter("showGroupConsensus",
+              showGroupConsensus);
+
+      showGroupConservation = applet.getDefaultParameter(
+              "showGroupConservation", showGroupConservation);
+
+      showConsensusHistogram = applet.getDefaultParameter(
+              "showConsensusHistogram", showConsensusHistogram);
+
+    }
+
+    if (applet != null)
+    {
+      String colour = al.isNucleotide() ? applet
+              .getParameter("defaultColourNuc") : applet
+              .getParameter("defaultColourProt");
+      if (colour == null)
+      {
+        colour = applet.getParameter("defaultColour");
+      }
+      if (colour == null)
+      {
+        colour = applet.getParameter("userDefinedColour");
+        if (colour != null)
+        {
+          colour = "User Defined";
+        }
+      }
+
+      if (colour != null)
+      {
+        globalColourScheme = ColourSchemeProperty.getColour(alignment,
+                colour);
+        if (globalColourScheme != null)
+        {
+          globalColourScheme.setConsensus(hconsensus);
+        }
+      }
+
+      if (applet.getParameter("userDefinedColour") != null)
+      {
+        ((UserColourScheme) globalColourScheme).parseAppletParameter(applet
+                .getParameter("userDefinedColour"));
+      }
+    }
+    initAutoAnnotation();
+
+  }
+
+  /**
+   * get the consensus sequence as displayed under the PID consensus annotation
+   * row.
+   * 
+   * @return consensus sequence as a new sequence object
+   */
+  public SequenceI getConsensusSeq()
+  {
+    if (consensus == null)
+    {
+      updateConsensus(null);
+    }
+    if (consensus == null)
+    {
+      return null;
+    }
+    StringBuilder seqs = new StringBuilder(consensus.annotations.length);
+    for (int i = 0; i < consensus.annotations.length; i++)
+    {
+      if (consensus.annotations[i] != null)
+      {
+        if (consensus.annotations[i].description.charAt(0) == '[')
+        {
+          seqs.append(consensus.annotations[i].description.charAt(1));
+        }
+        else
+        {
+          seqs.append(consensus.annotations[i].displayCharacter);
+        }
+      }
+    }
+    SequenceI sq = new Sequence("Consensus", seqs.toString());
+    sq.setDescription("Percentage Identity Consensus "
+            + ((ignoreGapsInConsensusCalculation) ? " without gaps" : ""));
+    return sq;
+  }
+
+  java.awt.Frame nullFrame;
+
+  protected FeatureSettings featureSettings = null;
+
+  private float heightScale = 1, widthScale = 1;
+
+  public void setFont(Font f)
+  {
+    font = f;
+    if (nullFrame == null)
+    {
+      nullFrame = new java.awt.Frame();
+      nullFrame.addNotify();
+    }
+
+    java.awt.FontMetrics fm = nullFrame.getGraphics().getFontMetrics(font);
+    setCharHeight((int) (heightScale * fm.getHeight()));
+    setCharWidth((int) (widthScale * fm.charWidth('M')));
+
+    if (isUpperCasebold())
+    {
+      Font f2 = new Font(f.getName(), Font.BOLD, f.getSize());
+      fm = nullFrame.getGraphics().getFontMetrics(f2);
+      setCharWidth((int) (widthScale * (fm.stringWidth("MMMMMMMMMMM") / 10)));
+    }
+  }
+
+  public Font getFont()
+  {
+    return font;
+  }
+
+  public void resetSeqLimits(int height)
+  {
+    setEndSeq(height / getCharHeight());
+  }
+
+  public void setCurrentTree(NJTree tree)
+  {
+    currentTree = tree;
+  }
+
+  public NJTree getCurrentTree()
+  {
+    return currentTree;
+  }
+
+  boolean centreColumnLabels;
+
+  public boolean getCentreColumnLabels()
+  {
+    return centreColumnLabels;
+  }
+
+  public boolean followSelection = true;
+
+  /**
+   * @return true if view selection should always follow the selections
+   *         broadcast by other selection sources
+   */
+  public boolean getFollowSelection()
+  {
+    return followSelection;
+  }
+
+  @Override
+  public void sendSelection()
+  {
+    getStructureSelectionManager().sendSelection(
+            new SequenceGroup(getSelectionGroup()),
+            new ColumnSelection(getColumnSelection()), this);
+  }
+
+  /**
+   * Returns an instance of the StructureSelectionManager scoped to this applet
+   * instance.
+   * 
+   * @return
+   */
+  @Override
+  public StructureSelectionManager getStructureSelectionManager()
+  {
+    return jalview.structure.StructureSelectionManager
+            .getStructureSelectionManager(applet);
+  }
+
+  @Override
+  public boolean isNormaliseSequenceLogo()
+  {
+    return normaliseSequenceLogo;
+  }
+
+  public void setNormaliseSequenceLogo(boolean state)
+  {
+    normaliseSequenceLogo = state;
+  }
+
+  /**
+   * 
+   * @return true if alignment characters should be displayed
+   */
+  @Override
+  public boolean isValidCharWidth()
+  {
+    return validCharWidth;
+  }
+
+  public AnnotationColumnChooser getAnnotationColumnSelectionState()
+  {
+    return annotationColumnSelectionState;
+  }
+
+  public void setAnnotationColumnSelectionState(
+          AnnotationColumnChooser annotationColumnSelectionState)
+  {
+    this.annotationColumnSelectionState = annotationColumnSelectionState;
+  }
+
+  @Override
+  public void mirrorCommand(CommandI command, boolean undo,
+          StructureSelectionManager ssm, VamsasSource source)
+  {
+    // TODO refactor so this can be pulled up to superclass or controller
+    /*
+     * Do nothing unless we are a 'complement' of the source. May replace this
+     * with direct calls not via SSM.
+     */
+    if (source instanceof AlignViewportI
+            && ((AlignViewportI) source).getCodingComplement() == this)
+    {
+      // ok to continue;
+    }
+    else
+    {
+      return;
+    }
+
+    CommandI mappedCommand = ssm.mapCommand(command, undo, getAlignment(),
+            getGapCharacter());
+    if (mappedCommand != null)
+    {
+      mappedCommand.doCommand(null);
+      firePropertyChange("alignment", null, getAlignment().getSequences());
+
+      // ap.scalePanelHolder.repaint();
+      // ap.repaint();
+    }
+  }
+
+  @Override
+  public VamsasSource getVamsasSource()
+  {
+    return this;
+  }
+
+  /**
+   * If this viewport has a (Protein/cDNA) complement, then scroll the
+   * complementary alignment to match this one.
+   */
+  public void scrollComplementaryAlignment(AlignmentPanel complementPanel)
+  {
+    if (complementPanel == null)
+    {
+      return;
+    }
+
+    /*
+     * Populate a SearchResults object with the mapped location to scroll to. If
+     * there is no complement, or it is not following highlights, or no mapping
+     * is found, the result will be empty.
+     */
+    SearchResults sr = new SearchResults();
+    int seqOffset = findComplementScrollTarget(sr);
+    if (!sr.isEmpty())
+    {
+      complementPanel.setFollowingComplementScroll(true);
+      complementPanel.scrollToCentre(sr, seqOffset);
+    }
+  }
+
+  /**
+   * Applies the supplied feature settings descriptor to currently known
+   * features. This supports an 'initial configuration' of feature colouring
+   * based on a preset or user favourite. This may then be modified in the usual
+   * way using the Feature Settings dialogue.
+   * 
+   * @param featureSettings
+   */
+  @Override
+  public void applyFeaturesStyle(FeatureSettingsModelI featureSettings)
+  {
+    // TODO implement for applet
+  }
+
+}