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AlignFrame.java

/*
 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
 * Copyright (C) 2011 J Procter, AM Waterhouse, 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.net.*;
import java.util.*;

import java.awt.*;
import java.awt.event.*;

import jalview.analysis.*;
import jalview.api.SequenceStructureBinding;
import jalview.bin.JalviewLite;
import jalview.commands.*;
import jalview.datamodel.*;
import jalview.io.*;
import jalview.schemes.*;
import jalview.structure.StructureSelectionManager;

00035 public class AlignFrame extends EmbmenuFrame implements ActionListener,
        ItemListener, KeyListener
{
  public AlignmentPanel alignPanel;

  public AlignViewport viewport;

  int DEFAULT_WIDTH = 700;

  int DEFAULT_HEIGHT = 500;

  String jalviewServletURL;

  public AlignFrame(AlignmentI al, jalview.bin.JalviewLite applet,
          String title, boolean embedded)
  {

    if (applet != null)
    {
      jalviewServletURL = applet.getParameter("APPLICATION_URL");
    }

    try
    {
      jbInit();
    } catch (Exception ex)
    {
      ex.printStackTrace();
    }

    viewport = new AlignViewport(al, applet);
    alignPanel = new AlignmentPanel(this, viewport);

    viewport.updateConservation(alignPanel);
    viewport.updateConsensus(alignPanel);

    annotationPanelMenuItem.setState(viewport.showAnnotation);
    displayNonconservedMenuItem.setState(viewport.getShowunconserved());
    followMouseOverFlag.setState(viewport.getFollowHighlight());
    showGroupConsensus.setState(viewport.showGroupConsensus);
    showGroupConservation.setState(viewport.showGroupConservation);
    showConsensusHistogram.setState(viewport.showConsensusHistogram);
    showSequenceLogo.setState(viewport.showSequenceLogo);

    seqLimits.setState(viewport.showJVSuffix);

    if (applet != null)
    {
      String param = applet.getParameter("sortBy");
      if (param != null)
      {
        if (param.equalsIgnoreCase("Id"))
        {
          sortIDMenuItem_actionPerformed();
        }
        else if (param.equalsIgnoreCase("Pairwise Identity"))
        {
          sortPairwiseMenuItem_actionPerformed();
        }
        else if (param.equalsIgnoreCase("Length"))
        {
          sortLengthMenuItem_actionPerformed();
        }
      }

      param = applet.getParameter("wrap");
      if (param != null)
      {
        if (param.equalsIgnoreCase("true"))
        {
          wrapMenuItem.setState(true);
          wrapMenuItem_actionPerformed();
        }
      }
      param = applet.getParameter("centrecolumnlabels");
      if (param != null)
      {
        centreColumnLabelFlag.setState(true);
        centreColumnLabelFlag_stateChanged();
      }
      try
      {
        param = applet.getParameter("windowWidth");
        if (param != null)
        {
          int width = Integer.parseInt(param);
          DEFAULT_WIDTH = width;
        }
        param = applet.getParameter("windowHeight");
        if (param != null)
        {
          int height = Integer.parseInt(param);
          DEFAULT_HEIGHT = height;
        }
      } catch (Exception ex)
      {
      }

    }

    // Some JVMS send keyevents to Top frame or lowest panel,
    // Havent worked out why yet. So add to both this frame and seqCanvas for
    // now
    this.addKeyListener(this);
    alignPanel.seqPanel.seqCanvas.addKeyListener(this);
    alignPanel.idPanel.idCanvas.addKeyListener(this);
    alignPanel.scalePanel.addKeyListener(this);
    alignPanel.annotationPanel.addKeyListener(this);
    alignPanel.annotationPanelHolder.addKeyListener(this);
    alignPanel.annotationSpaceFillerHolder.addKeyListener(this);
    alignPanel.alabels.addKeyListener(this);
    createAlignFrameWindow(embedded, title);

    validate();
    alignPanel.adjustAnnotationHeight();
    alignPanel.paintAlignment(true);
  }

  public AlignViewport getAlignViewport()
  {
    return viewport;
  }

  public SeqCanvas getSeqcanvas()
  {
    return alignPanel.seqPanel.seqCanvas;
  }

  /**
   * DOCUMENT ME!
   * 
   * @param String
   *          DOCUMENT ME!
   */

00170   public void parseFeaturesFile(String file, String type)
  {
    Hashtable featureLinks = new Hashtable();
    boolean featuresFile = false;
    try
    {
      featuresFile = new jalview.io.FeaturesFile(file, type)
              .parse(viewport.alignment,
                      alignPanel.seqPanel.seqCanvas.getFeatureRenderer().featureColours,
                      featureLinks, true, viewport.applet.getDefaultParameter("relaxedidmatch", false));
    } catch (Exception ex)
    {
      ex.printStackTrace();
    }

    if (featuresFile)
    {
      if (featureLinks.size() > 0)
      {
        alignPanel.seqPanel.seqCanvas.getFeatureRenderer().featureLinks = featureLinks;
      }
      viewport.showSequenceFeatures = true;
      sequenceFeatures.setState(true);
      if (viewport.featureSettings != null)
      {
        viewport.featureSettings.refreshTable();
      }
      alignPanel.paintAlignment(true);
    }

  }

  public void keyPressed(KeyEvent evt)
  {
    if (viewport.cursorMode
            && ((evt.getKeyCode() >= KeyEvent.VK_0 && evt.getKeyCode() <= KeyEvent.VK_9) || (evt
                    .getKeyCode() >= KeyEvent.VK_NUMPAD0 && evt
                    .getKeyCode() <= KeyEvent.VK_NUMPAD9))
            && Character.isDigit(evt.getKeyChar()))
      alignPanel.seqPanel.numberPressed(evt.getKeyChar());

    switch (evt.getKeyCode())
    {
    case 27: // escape key
      deselectAllSequenceMenuItem_actionPerformed();
      
      alignPanel.alabels.cancelDrag(); 
      break;
    case KeyEvent.VK_X:
      if (evt.isControlDown() || evt.isMetaDown())
      {
        cut_actionPerformed();
      }
      break;
    case KeyEvent.VK_C:
      if (viewport.cursorMode && !evt.isControlDown())
      {
        alignPanel.seqPanel.setCursorColumn();
      }
      if (evt.isControlDown() || evt.isMetaDown())
      {
        copy_actionPerformed();
      }
      break;
    case KeyEvent.VK_V:
      if (evt.isControlDown())
      {
        paste(evt.isShiftDown());
      }
      break;
    case KeyEvent.VK_A:
      if (evt.isControlDown() || evt.isMetaDown())
      {
        selectAllSequenceMenuItem_actionPerformed();
      }
      break;
    case KeyEvent.VK_DOWN:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.moveCursor(0, 1);
      }
      else
      {
        moveSelectedSequences(false);
      }
      break;

    case KeyEvent.VK_UP:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.moveCursor(0, -1);
      }
      else
      {
        moveSelectedSequences(true);
      }
      break;

    case KeyEvent.VK_LEFT:
      if (evt.isAltDown() || !viewport.cursorMode)
        slideSequences(false, alignPanel.seqPanel.getKeyboardNo1());
      else
        alignPanel.seqPanel.moveCursor(-1, 0);
      break;

    case KeyEvent.VK_RIGHT:
      if (evt.isAltDown() || !viewport.cursorMode)
        slideSequences(true, alignPanel.seqPanel.getKeyboardNo1());
      else
        alignPanel.seqPanel.moveCursor(1, 0);
      break;

    case KeyEvent.VK_SPACE:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.insertGapAtCursor(evt.isControlDown()
                || evt.isShiftDown() || evt.isAltDown());
      }
      break;

    case KeyEvent.VK_DELETE:
    case KeyEvent.VK_BACK_SPACE:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.deleteGapAtCursor(evt.isControlDown()
                || evt.isShiftDown() || evt.isAltDown());
      }
      else
      {
        cut_actionPerformed();
        alignPanel.seqPanel.seqCanvas.repaint();
      }
      break;

    case KeyEvent.VK_S:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.setCursorRow();
      }
      break;
    case KeyEvent.VK_P:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.setCursorPosition();
      }
      break;

    case KeyEvent.VK_ENTER:
    case KeyEvent.VK_COMMA:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.setCursorRowAndColumn();
      }
      break;

    case KeyEvent.VK_Q:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.setSelectionAreaAtCursor(true);
      }
      break;
    case KeyEvent.VK_M:
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.setSelectionAreaAtCursor(false);
      }
      break;

    case KeyEvent.VK_F2:
      viewport.cursorMode = !viewport.cursorMode;
      statusBar.setText("Keyboard editing mode is "
              + (viewport.cursorMode ? "on" : "off"));
      if (viewport.cursorMode)
      {
        alignPanel.seqPanel.seqCanvas.cursorX = viewport.startRes;
        alignPanel.seqPanel.seqCanvas.cursorY = viewport.startSeq;
      }
      break;

    case KeyEvent.VK_F:
      if (evt.isControlDown())
      {
        findMenuItem_actionPerformed();
      }
      break;

    case KeyEvent.VK_H:
    {
      boolean toggleSeqs = !evt.isControlDown();
      boolean toggleCols = !evt.isShiftDown();
      toggleHiddenRegions(toggleSeqs, toggleCols);
      break;
    }

    case KeyEvent.VK_PAGE_UP:
      if (viewport.wrapAlignment)
      {
        alignPanel.scrollUp(true);
      }
      else
      {
        alignPanel.setScrollValues(viewport.startRes, viewport.startSeq
                - viewport.endSeq + viewport.startSeq);
      }
      break;

    case KeyEvent.VK_PAGE_DOWN:
      if (viewport.wrapAlignment)
      {
        alignPanel.scrollUp(false);
      }
      else
      {
        alignPanel.setScrollValues(viewport.startRes, viewport.startSeq
                + viewport.endSeq - viewport.startSeq);
      }
      break;

    case KeyEvent.VK_Z:
      if (evt.isControlDown())
      {
        undoMenuItem_actionPerformed();
      }
      break;

    case KeyEvent.VK_Y:
      if (evt.isControlDown())
      {
        redoMenuItem_actionPerformed();
      }
      break;

    case KeyEvent.VK_L:
      if (evt.isControlDown())
      {
        trimAlignment(true);
      }
      break;

    case KeyEvent.VK_R:
      if (evt.isControlDown())
      {
        trimAlignment(false);
      }
      break;

    case KeyEvent.VK_E:
      if (evt.isControlDown())
      {
        if (evt.isShiftDown())
        {
          this.removeAllGapsMenuItem_actionPerformed();
        }
        else
        {
          removeGappedColumnMenuItem_actionPerformed();
        }
      }
      break;
    case KeyEvent.VK_I:
      if (evt.isControlDown())
      {
        if (evt.isAltDown())
        {
          invertColSel_actionPerformed();
        }
        else
        {
          invertSequenceMenuItem_actionPerformed();
        }
      }
      break;

    case KeyEvent.VK_U:
      if (evt.isControlDown())
      {
        this.deleteGroups_actionPerformed();
      }
      break;

    case KeyEvent.VK_T:
      if (evt.isControlDown())
      {
        newView(null);
      }
      break;

    }
    alignPanel.paintAlignment(true);
  }

  /**
   * called by key handler and the hide all/show all menu items
   * 
   * @param toggleSeqs
   * @param toggleCols
   */
00467   private void toggleHiddenRegions(boolean toggleSeqs, boolean toggleCols)
  {
    boolean hide = false;
    SequenceGroup sg = viewport.getSelectionGroup();
    if (!toggleSeqs && !toggleCols)
    {
      // Hide everything by the current selection - this is a hack - we do the
      // invert and then hide
      // first check that there will be visible columns after the invert.
      if ((viewport.colSel != null && viewport.colSel.getSelected() != null && viewport.colSel
              .getSelected().size() > 0)
              || (sg != null && sg.getSize() > 0 && sg.getStartRes() <= sg
                      .getEndRes()))
      {
        // now invert the sequence set, if required - empty selection implies
        // that no hiding is required.
        if (sg != null)
        {
          invertSequenceMenuItem_actionPerformed();
          sg = viewport.getSelectionGroup();
          toggleSeqs = true;

        }
        viewport.expandColSelection(sg, true);
        // finally invert the column selection and get the new sequence
        // selection and indicate it should be hidden.
        invertColSel_actionPerformed();
        toggleCols = true;
      }
    }

    if (toggleSeqs)
    {
      if (sg != null && sg.getSize() != viewport.alignment.getHeight())
      {
        hide = true;
        viewport.hideAllSelectedSeqs();
      }
      else if (!(toggleCols && viewport.colSel.getSelected().size() > 0))
      {
        viewport.showAllHiddenSeqs();
      }
    }

    if (toggleCols)
    {
      if (viewport.colSel.getSelected().size() > 0)
      {
        viewport.hideSelectedColumns();
        if (!toggleSeqs)
        {
          viewport.selectionGroup = sg;
        }
      }
      else if (!hide)
      {
        viewport.showAllHiddenColumns();
      }
    }
  }

  public void keyReleased(KeyEvent evt)
  {
  }

  public void keyTyped(KeyEvent evt)
  {
  }

  public void itemStateChanged(ItemEvent evt)
  {
    if (evt.getSource() == displayNonconservedMenuItem)
    {
      displayNonconservedMenuItem_actionPerformed();
    }
    else if (evt.getSource() == colourTextMenuItem)
    {
      colourTextMenuItem_actionPerformed();
    }
    else if (evt.getSource() == wrapMenuItem)
    {
      wrapMenuItem_actionPerformed();
    }
    else if (evt.getSource() == scaleAbove)
    {
      viewport.setScaleAboveWrapped(scaleAbove.getState());
    }
    else if (evt.getSource() == scaleLeft)
    {
      viewport.setScaleLeftWrapped(scaleLeft.getState());
    }
    else if (evt.getSource() == scaleRight)
    {
      viewport.setScaleRightWrapped(scaleRight.getState());
    }
    else if (evt.getSource() == seqLimits)
    {
      seqLimits_itemStateChanged();
    }
    else if (evt.getSource() == viewBoxesMenuItem)
    {
      viewport.setShowBoxes(viewBoxesMenuItem.getState());
    }
    else if (evt.getSource() == viewTextMenuItem)
    {
      viewport.setShowText(viewTextMenuItem.getState());
    }
    else if (evt.getSource() == renderGapsMenuItem)
    {
      viewport.setRenderGaps(renderGapsMenuItem.getState());
    }
    else if (evt.getSource() == annotationPanelMenuItem)
    {
      viewport.setShowAnnotation(annotationPanelMenuItem.getState());
      alignPanel.setAnnotationVisible(annotationPanelMenuItem.getState());
    }
    else if (evt.getSource() == sequenceFeatures)
    {
      viewport.showSequenceFeatures(sequenceFeatures.getState());
      alignPanel.seqPanel.seqCanvas.repaint();
    }
    else if (evt.getSource() == conservationMenuItem)
    {
      conservationMenuItem_actionPerformed();
    }
    else if (evt.getSource() == abovePIDThreshold)
    {
      abovePIDThreshold_actionPerformed();
    }
    else if (evt.getSource() == applyToAllGroups)
    {
      viewport.setColourAppliesToAllGroups(applyToAllGroups.getState());
    }
    else if (evt.getSource() == autoCalculate)
    {
      viewport.autocalculateConsensus = autoCalculate.getState();
    }
    else if (evt.getSource() == sortByTree)
    {
      viewport.sortByTree = sortByTree.getState();
    }
    else if (evt.getSource() == this.centreColumnLabelFlag)
    {
      centreColumnLabelFlag_stateChanged();
    }
    else if (evt.getSource() == this.followMouseOverFlag)
    {
      mouseOverFlag_stateChanged();
    }
    else if (evt.getSource() == showGroupConsensus)
    {
      showGroupConsensus_actionPerformed();
    }
    else if (evt.getSource() == showGroupConservation)
    {
      showGroupConservation_actionPerformed();
    }
    else if (evt.getSource() == showSequenceLogo)
    {
      showSequenceLogo_actionPerformed();
    }
    else if (evt.getSource() == showConsensusHistogram)
    {
      showConsensusHistogram_actionPerformed();
    }
    else if (evt.getSource() == applyAutoAnnotationSettings)
    {
      applyAutoAnnotationSettings_actionPerformed();
    }
    alignPanel.paintAlignment(true);
  }

  private void mouseOverFlag_stateChanged()
  {
    viewport.followHighlight = followMouseOverFlag.getState();
    // TODO: could kick the scrollTo mechanism to reset view for current
    // searchresults.
  }

  private void centreColumnLabelFlag_stateChanged()
  {
    viewport.centreColumnLabels = centreColumnLabelFlag.getState();
    this.alignPanel.annotationPanel.repaint();
  }

  public void actionPerformed(ActionEvent evt)
  {
    Object source = evt.getSource();

    if (source == inputText)
    {
      inputText_actionPerformed();
    }
    else if (source == loadTree)
    {
      loadTree_actionPerformed();
    }
    else if (source == loadApplication)
    {
      launchFullApplication();
    }
    else if (source == loadAnnotations)
    {
      loadAnnotations();
    }
    else if (source == outputAnnotations)
    {
      outputAnnotations(true);
    }
    else if (source == outputFeatures)
    {
      outputFeatures(true, "Jalview");
    }
    else if (source == closeMenuItem)
    {
      closeMenuItem_actionPerformed();
    }
    else if (source == copy)
    {
      copy_actionPerformed();
    }
    else if (source == undoMenuItem)
    {
      undoMenuItem_actionPerformed();
    }
    else if (source == redoMenuItem)
    {
      redoMenuItem_actionPerformed();
    }
    else if (source == inputText)
    {
      inputText_actionPerformed();
    }
    else if (source == closeMenuItem)
    {
      closeMenuItem_actionPerformed();
    }
    else if (source == undoMenuItem)
    {
      undoMenuItem_actionPerformed();
    }
    else if (source == redoMenuItem)
    {
      redoMenuItem_actionPerformed();
    }
    else if (source == copy)
    {
      copy_actionPerformed();
    }
    else if (source == pasteNew)
    {
      pasteNew_actionPerformed();
    }
    else if (source == pasteThis)
    {
      pasteThis_actionPerformed();
    }
    else if (source == cut)
    {
      cut_actionPerformed();
    }
    else if (source == delete)
    {
      delete_actionPerformed();
    }
    else if (source == grpsFromSelection)
    {
      makeGrpsFromSelection_actionPerformed();
    }
    else if (source == deleteGroups)
    {
      deleteGroups_actionPerformed();
    }
    else if (source == selectAllSequenceMenuItem)
    {
      selectAllSequenceMenuItem_actionPerformed();
    }
    else if (source == deselectAllSequenceMenuItem)
    {
      deselectAllSequenceMenuItem_actionPerformed();
    }
    else if (source == invertSequenceMenuItem)
    {
      invertSequenceMenuItem_actionPerformed();
    }
    else if (source == invertColSel)
    {
      viewport.invertColumnSelection();
      alignPanel.paintAlignment(true);
    }
    else if (source == remove2LeftMenuItem)
    {
      trimAlignment(true);
    }
    else if (source == remove2RightMenuItem)
    {
      trimAlignment(false);
    }
    else if (source == removeGappedColumnMenuItem)
    {
      removeGappedColumnMenuItem_actionPerformed();
    }
    else if (source == removeAllGapsMenuItem)
    {
      removeAllGapsMenuItem_actionPerformed();
    }
    else if (source == findMenuItem)
    {
      findMenuItem_actionPerformed();
    }
    else if (source == font)
    {
      new FontChooser(alignPanel);
    }
    else if (source == newView)
    {
      newView(null);
    }
    else if (source == showColumns)
    {
      viewport.showAllHiddenColumns();
      alignPanel.paintAlignment(true);
    }
    else if (source == showSeqs)
    {
      viewport.showAllHiddenSeqs();
      alignPanel.paintAlignment(true);
    }
    else if (source == hideColumns)
    {
      viewport.hideSelectedColumns();
      alignPanel.paintAlignment(true);
    }
    else if (source == hideSequences
            && viewport.getSelectionGroup() != null)
    {
      viewport.hideAllSelectedSeqs();
      alignPanel.paintAlignment(true);
    }
    else if (source == hideAllButSelection)
    {
      toggleHiddenRegions(false, false);
      alignPanel.paintAlignment(true);
    }
    else if (source == hideAllSelection)
    {
      SequenceGroup sg = viewport.getSelectionGroup();
      viewport.expandColSelection(sg, false);
      viewport.hideAllSelectedSeqs();
      viewport.hideSelectedColumns();
      alignPanel.paintAlignment(true);
    }
    else if (source == showAllHidden)
    {
      viewport.showAllHiddenColumns();
      viewport.showAllHiddenSeqs();
      alignPanel.paintAlignment(true);
    }
    else if (source == showGroupConsensus)
    {
      showGroupConsensus_actionPerformed();
    }
    else if (source == showGroupConservation)
    {
      showGroupConservation_actionPerformed();
    }
    else if (source == showSequenceLogo)
    {
      showSequenceLogo_actionPerformed();
    }
    else if (source == showConsensusHistogram)
    {
      showConsensusHistogram_actionPerformed();
    }
    else if (source == applyAutoAnnotationSettings)
    {
      applyAutoAnnotationSettings_actionPerformed();
    }
    else if (source == featureSettings)
    {
      new FeatureSettings(alignPanel);
    }
    else if (source == alProperties)
    {
      StringBuffer contents = new jalview.io.AlignmentProperties(
              viewport.alignment).formatAsString();
      CutAndPasteTransfer cap = new CutAndPasteTransfer(false, this);
      cap.setText(contents.toString());
      Frame frame = new Frame();
      frame.add(cap);
      jalview.bin.JalviewLite.addFrame(frame, "Alignment Properties: "
              + getTitle(), 400, 250);
    }
    else if (source == overviewMenuItem)
    {
      overviewMenuItem_actionPerformed();
    }
    else if (source == noColourmenuItem)
    {
      changeColour(null);
    }
    else if (source == clustalColour)
    {
      abovePIDThreshold.setState(false);
      changeColour(new ClustalxColourScheme(
              viewport.alignment.getSequences(),
              viewport.alignment.getWidth()));
    }
    else if (source == zappoColour)
    {
      changeColour(new ZappoColourScheme());
    }
    else if (source == taylorColour)
    {
      changeColour(new TaylorColourScheme());
    }
    else if (source == hydrophobicityColour)
    {
      changeColour(new HydrophobicColourScheme());
    }
    else if (source == helixColour)
    {
      changeColour(new HelixColourScheme());
    }
    else if (source == strandColour)
    {
      changeColour(new StrandColourScheme());
    }
    else if (source == turnColour)
    {
      changeColour(new TurnColourScheme());
    }
    else if (source == buriedColour)
    {
      changeColour(new BuriedColourScheme());
    }
    else if (source == nucleotideColour)
    {
      changeColour(new NucleotideColourScheme());
    }
    else if (source == modifyPID)
    {
      modifyPID_actionPerformed();
    }
    else if (source == modifyConservation)
    {
      modifyConservation_actionPerformed();
    }
    else if (source == userDefinedColour)
    {
      new UserDefinedColours(alignPanel, null);
    }
    else if (source == PIDColour)
    {
      changeColour(new PIDColourScheme());
    }
    else if (source == BLOSUM62Colour)
    {
      changeColour(new Blosum62ColourScheme());
    }
    else if (source == annotationColour)
    {
      new AnnotationColourChooser(viewport, alignPanel);
    }
    else if (source == sortPairwiseMenuItem)
    {
      sortPairwiseMenuItem_actionPerformed();
    }
    else if (source == sortIDMenuItem)
    {
      sortIDMenuItem_actionPerformed();
    }
    else if (source == sortLengthMenuItem)
    {
      sortLengthMenuItem_actionPerformed();
    }
    else if (source == sortGroupMenuItem)
    {
      sortGroupMenuItem_actionPerformed();
    }
    else if (source == removeRedundancyMenuItem)
    {
      removeRedundancyMenuItem_actionPerformed();
    }
    else if (source == pairwiseAlignmentMenuItem)
    {
      pairwiseAlignmentMenuItem_actionPerformed();
    }
    else if (source == PCAMenuItem)
    {
      PCAMenuItem_actionPerformed();
    }
    else if (source == averageDistanceTreeMenuItem)
    {
      averageDistanceTreeMenuItem_actionPerformed();
    }
    else if (source == neighbourTreeMenuItem)
    {
      neighbourTreeMenuItem_actionPerformed();
    }
    else if (source == njTreeBlosumMenuItem)
    {
      njTreeBlosumMenuItem_actionPerformed();
    }
    else if (source == avDistanceTreeBlosumMenuItem)
    {
      avTreeBlosumMenuItem_actionPerformed();
    }
    else if (source == documentation)
    {
      documentation_actionPerformed();
    }
    else if (source == about)
    {
      about_actionPerformed();
    }

  }

  public void inputText_actionPerformed()
  {
    CutAndPasteTransfer cap = new CutAndPasteTransfer(true, this);
    Frame frame = new Frame();
    frame.add(cap);
    jalview.bin.JalviewLite.addFrame(frame, "Cut & Paste Input", 500, 500);
  }

  protected void outputText_actionPerformed(ActionEvent e)
  {
    CutAndPasteTransfer cap = new CutAndPasteTransfer(true, this);
    Frame frame = new Frame();
    frame.add(cap);
    jalview.bin.JalviewLite.addFrame(frame,
            "Alignment output - " + e.getActionCommand(), 600, 500);
    cap.setText(new AppletFormatAdapter().formatSequences(
            e.getActionCommand(), viewport.getAlignment(),
            viewport.showJVSuffix));
  }

  public void loadAnnotations()
  {
    CutAndPasteTransfer cap = new CutAndPasteTransfer(true, this);
    cap.setText("Paste your features / annotations file here.");
    cap.setAnnotationImport();
    Frame frame = new Frame();
    frame.add(cap);
    jalview.bin.JalviewLite.addFrame(frame, "Paste Annotations ", 400, 300);

  }

  public String outputAnnotations(boolean displayTextbox)
  {
    String annotation = new AnnotationFile().printAnnotations(
            viewport.showAnnotation ? viewport.alignment
                    .getAlignmentAnnotation() : null, viewport.alignment
                    .getGroups(),
            ((Alignment) viewport.alignment).alignmentProperties);

    if (displayTextbox)
    {
      CutAndPasteTransfer cap = new CutAndPasteTransfer(false, this);
      Frame frame = new Frame();
      frame.add(cap);
      jalview.bin.JalviewLite.addFrame(frame, "Annotations", 600, 500);
      cap.setText(annotation);
    }

    return annotation;
  }

  private Hashtable getDisplayedFeatureCols()
  {
    if (alignPanel.getFeatureRenderer() != null && viewport.featuresDisplayed!=null)
    {
      FeatureRenderer fr = alignPanel.getFeatureRenderer();
      Hashtable fcols = new Hashtable();
      Enumeration en = viewport.featuresDisplayed.keys();
      while (en.hasMoreElements())
      {
        Object col = en.nextElement();
        fcols.put(col, fr.featureColours.get(col));
      }
      return fcols;
    }
    return null;
  }

  public String outputFeatures(boolean displayTextbox, String format)
  {
    String features;
    if (format.equalsIgnoreCase("Jalview"))
    {
      features = new FeaturesFile().printJalviewFormat(
              viewport.alignment.getSequencesArray(),
              getDisplayedFeatureCols());
    }
    else
    {
      features = new FeaturesFile().printGFFFormat(
              viewport.alignment.getSequencesArray(),
              getDisplayedFeatureCols());
    }

    if (displayTextbox)
    {
      boolean frimport=false;
      if (features==null || features.equals("No Features Visible"))
      {
        features = "# No features visible - paste some and import them here.";
        frimport=true;
      }
      
      CutAndPasteTransfer cap = new CutAndPasteTransfer(frimport, this);
      if (frimport)
      {
        cap.setAnnotationImport();
      }
      Frame frame = new Frame();
      frame.add(cap);
      jalview.bin.JalviewLite.addFrame(frame, "Features", 600, 500);
      cap.setText(features);
    } else {
      if (features==null)
        features = "";
    }

    return features;
  }

  void launchFullApplication()
  {
    StringBuffer url = new StringBuffer(jalviewServletURL);

    url.append("?open="
            + appendProtocol(viewport.applet.getParameter("file")));

    if (viewport.applet.getParameter("features") != null)
    {
      url.append("&features=");
      url.append(appendProtocol(viewport.applet.getParameter("features")));
    }

    if (viewport.applet.getParameter("annotations") != null)
    {
      url.append("&annotations=");
      url.append(appendProtocol(viewport.applet.getParameter("annotations")));
    }

    if (viewport.applet.getParameter("jnetfile") != null)
    {
      url.append("&annotations=");
      url.append(appendProtocol(viewport.applet.getParameter("jnetfile")));
    }

    if (viewport.applet.getParameter("defaultColour") != null)
    {
      url.append("&colour="
              + removeWhiteSpace(viewport.applet
                      .getParameter("defaultColour")));
    }

    if (viewport.applet.getParameter("userDefinedColour") != null)
    {
      url.append("&colour="
              + removeWhiteSpace(viewport.applet
                      .getParameter("userDefinedColour")));
    }
    if (viewport.applet.getParameter("tree") != null)
    {
      url.append("&tree="
              + appendProtocol(viewport.applet.getParameter("tree")));
    }
    if (viewport.applet.getParameter("treeFile") != null)
    {
      url.append("&tree="
              + appendProtocol(viewport.applet.getParameter("treeFile")));
    }

    showURL(url.toString(), "FULL_APP");
  }

  String removeWhiteSpace(String colour)
  {
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < colour.length(); i++)
    {
      if (Character.isWhitespace(colour.charAt(i)))
      {
        sb.append("%20");
      }
      else
      {
        sb.append(colour.charAt(i));
      }
    }

    return sb.toString();
  }

  String appendProtocol(String url)
  {
    try
    {
      new URL(url);
      url = URLEncoder.encode(url);
    }
    /*
     * When we finally deprecate 1.1 compatibility, we can start to use
     * URLEncoder.encode(url,"UTF-8") and then we'll need this catch: catch
     * (UnsupportedEncodingException ex) { System.err.println("WARNING -
     * IMPLEMENTATION ERROR - UNSUPPORTED ENCODING EXCEPTION FOR "+url);
     * ex.printStackTrace(); }
     */
    catch (java.net.MalformedURLException ex)
    {
      url = viewport.applet.getCodeBase() + url;
    }
    return url;
  }

  public void closeMenuItem_actionPerformed()
  {
    PaintRefresher.RemoveComponent(alignPanel);
    PaintRefresher.RemoveComponent(alignPanel.seqPanel.seqCanvas);
    PaintRefresher.RemoveComponent(alignPanel.idPanel.idCanvas);

    if (PaintRefresher.components.size() == 0 && viewport.applet == null)
    {
      System.exit(0);
    } else {
    }
    viewport = null;
    alignPanel = null;
    this.dispose();
  }

  /**
   * DOCUMENT ME!
   */
01206   void updateEditMenuBar()
  {

    if (viewport.historyList.size() > 0)
    {
      undoMenuItem.setEnabled(true);
      CommandI command = (CommandI) viewport.historyList.peek();
      undoMenuItem.setLabel("Undo " + command.getDescription());
    }
    else
    {
      undoMenuItem.setEnabled(false);
      undoMenuItem.setLabel("Undo");
    }

    if (viewport.redoList.size() > 0)
    {
      redoMenuItem.setEnabled(true);

      CommandI command = (CommandI) viewport.redoList.peek();
      redoMenuItem.setLabel("Redo " + command.getDescription());
    }
    else
    {
      redoMenuItem.setEnabled(false);
      redoMenuItem.setLabel("Redo");
    }
  }

  public void addHistoryItem(CommandI command)
  {
    if (command.getSize() > 0)
    {
      viewport.historyList.push(command);
      viewport.redoList.removeAllElements();
      updateEditMenuBar();
      viewport.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;
    }
  }

  /**
   * DOCUMENT ME!
   * 
   * @param e
   *          DOCUMENT ME!
   */
01252   protected void undoMenuItem_actionPerformed()
  {
    if (viewport.historyList.size() < 1)
    {
      return;
    }

    CommandI command = (CommandI) viewport.historyList.pop();
    viewport.redoList.push(command);
    command.undoCommand(null);

    AlignViewport originalSource = getOriginatingSource(command);

    originalSource.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;
    updateEditMenuBar();
    originalSource.firePropertyChange("alignment", null,
            originalSource.alignment.getSequences());
  }

  /**
   * DOCUMENT ME!
   * 
   * @param e
   *          DOCUMENT ME!
   */
01277   protected void redoMenuItem_actionPerformed()
  {
    if (viewport.redoList.size() < 1)
    {
      return;
    }

    CommandI command = (CommandI) viewport.redoList.pop();
    viewport.historyList.push(command);
    command.doCommand(null);

    AlignViewport originalSource = getOriginatingSource(command);
    originalSource.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;

    updateEditMenuBar();
    originalSource.firePropertyChange("alignment", null,
            originalSource.alignment.getSequences());
  }

  AlignViewport getOriginatingSource(CommandI command)
  {
    AlignViewport originalSource = null;
    // For sequence removal and addition, we need to fire
    // the property change event FROM the viewport where the
    // original alignment was altered
    AlignmentI al = null;
    if (command instanceof EditCommand)
    {
      EditCommand editCommand = (EditCommand) command;
      al = editCommand.getAlignment();
      Vector comps = (Vector) PaintRefresher.components.get(viewport
              .getSequenceSetId());
      for (int i = 0; i < comps.size(); i++)
      {
        if (comps.elementAt(i) instanceof AlignmentPanel)
        {
          if (al == ((AlignmentPanel) comps.elementAt(i)).av.alignment)
          {
            originalSource = ((AlignmentPanel) comps.elementAt(i)).av;
            break;
          }
        }
      }
    }

    if (originalSource == null)
    {
      // The original view is closed, we must validate
      // the current view against the closed view first
      if (al != null)
      {
        PaintRefresher.validateSequences(al, viewport.alignment);
      }

      originalSource = viewport;
    }

    return originalSource;
  }

  public void moveSelectedSequences(boolean up)
  {
    SequenceGroup sg = viewport.getSelectionGroup();
    if (sg == null)
    {
      return;
    }

    if (up)
    {
      for (int i = 1; i < viewport.alignment.getHeight(); i++)
      {
        SequenceI seq = viewport.alignment.getSequenceAt(i);
        if (!sg.getSequences(null).contains(seq))
        {
          continue;
        }

        SequenceI temp = viewport.alignment.getSequenceAt(i - 1);
        if (sg.getSequences(null).contains(temp))
        {
          continue;
        }

        viewport.alignment.getSequences().setElementAt(temp, i);
        viewport.alignment.getSequences().setElementAt(seq, i - 1);
      }
    }
    else
    {
      for (int i = viewport.alignment.getHeight() - 2; i > -1; i--)
      {
        SequenceI seq = viewport.alignment.getSequenceAt(i);
        if (!sg.getSequences(viewport.hiddenRepSequences).contains(seq))
        {
          continue;
        }

        SequenceI temp = viewport.alignment.getSequenceAt(i + 1);
        if (sg.getSequences(viewport.hiddenRepSequences).contains(temp))
        {
          continue;
        }

        viewport.alignment.getSequences().setElementAt(temp, i);
        viewport.alignment.getSequences().setElementAt(seq, i + 1);
      }
    }

    alignPanel.paintAlignment(true);
  }

  synchronized void slideSequences(boolean right, int size)
  {
    Vector sg = new Vector();
    if (viewport.cursorMode)
    {
      sg.addElement(viewport.alignment
              .getSequenceAt(alignPanel.seqPanel.seqCanvas.cursorY));
    }
    else if (viewport.getSelectionGroup() != null
            && viewport.getSelectionGroup().getSize() != viewport.alignment
                    .getHeight())
    {
      sg = viewport.getSelectionGroup().getSequences(
              viewport.hiddenRepSequences);
    }

    if (sg.size() < 1)
    {
      return;
    }

    Vector invertGroup = new Vector();

    for (int i = 0; i < viewport.alignment.getHeight(); i++)
    {
      if (!sg.contains(viewport.alignment.getSequenceAt(i)))
        invertGroup.addElement(viewport.alignment.getSequenceAt(i));
    }

    SequenceI[] seqs1 = new SequenceI[sg.size()];
    for (int i = 0; i < sg.size(); i++)
      seqs1[i] = (SequenceI) sg.elementAt(i);

    SequenceI[] seqs2 = new SequenceI[invertGroup.size()];
    for (int i = 0; i < invertGroup.size(); i++)
      seqs2[i] = (SequenceI) invertGroup.elementAt(i);

    SlideSequencesCommand ssc;
    if (right)
      ssc = new SlideSequencesCommand("Slide Sequences", seqs2, seqs1,
              size, viewport.getGapCharacter());
    else
      ssc = new SlideSequencesCommand("Slide Sequences", seqs1, seqs2,
              size, viewport.getGapCharacter());

    int groupAdjustment = 0;
    if (ssc.getGapsInsertedBegin() && right)
    {
      if (viewport.cursorMode)
        alignPanel.seqPanel.moveCursor(size, 0);
      else
        groupAdjustment = size;
    }
    else if (!ssc.getGapsInsertedBegin() && !right)
    {
      if (viewport.cursorMode)
        alignPanel.seqPanel.moveCursor(-size, 0);
      else
        groupAdjustment = -size;
    }

    if (groupAdjustment != 0)
    {
      viewport.getSelectionGroup().setStartRes(
              viewport.getSelectionGroup().getStartRes() + groupAdjustment);
      viewport.getSelectionGroup().setEndRes(
              viewport.getSelectionGroup().getEndRes() + groupAdjustment);
    }

    boolean appendHistoryItem = false;
    if (viewport.historyList != null && viewport.historyList.size() > 0
            && viewport.historyList.peek() instanceof SlideSequencesCommand)
    {
      appendHistoryItem = ssc
              .appendSlideCommand((SlideSequencesCommand) viewport.historyList
                      .peek());
    }

    if (!appendHistoryItem)
      addHistoryItem(ssc);

    repaint();
  }

  static StringBuffer copiedSequences;

  static Vector copiedHiddenColumns;

  protected void copy_actionPerformed()
  {
    if (viewport.getSelectionGroup() == null)
    {
      return;
    }

    SequenceGroup sg = viewport.getSelectionGroup();
    copiedSequences = new StringBuffer();
    Hashtable orderedSeqs = new Hashtable();
    for (int i = 0; i < sg.getSize(); i++)
    {
      SequenceI seq = sg.getSequenceAt(i);
      int index = viewport.alignment.findIndex(seq);
      orderedSeqs.put(index + "", seq);
    }

    int index = 0, startRes, endRes;
    char ch;

    if (viewport.hasHiddenColumns && viewport.getSelectionGroup() != null)
    {
      copiedHiddenColumns = new Vector();
      int hiddenOffset = viewport.getSelectionGroup().getStartRes();
      for (int i = 0; i < viewport.getColumnSelection().getHiddenColumns()
              .size(); i++)
      {
        int[] region = (int[]) viewport.getColumnSelection()
                .getHiddenColumns().elementAt(i);

        copiedHiddenColumns.addElement(new int[]
        { region[0] - hiddenOffset, region[1] - hiddenOffset });
      }
    }
    else
    {
      copiedHiddenColumns = null;
    }

    for (int i = 0; i < sg.getSize(); i++)
    {
      SequenceI seq = null;

      while (seq == null)
      {
        if (orderedSeqs.containsKey(index + ""))
        {
          seq = (SequenceI) orderedSeqs.get(index + "");
          index++;

          break;
        }
        else
        {
          index++;
        }
      }

      // FIND START RES
      // Returns residue following index if gap
      startRes = seq.findPosition(sg.getStartRes());

      // FIND END RES
      // Need to find the residue preceeding index if gap
      endRes = 0;

      for (int j = 0; j < sg.getEndRes() + 1 && j < seq.getLength(); j++)
      {
        ch = seq.getCharAt(j);
        if (!jalview.util.Comparison.isGap((ch)))
        {
          endRes++;
        }
      }

      if (endRes > 0)
      {
        endRes += seq.getStart() - 1;
      }

      copiedSequences.append(seq.getName()
              + "\t"
              + startRes
              + "\t"
              + endRes
              + "\t"
              + seq.getSequenceAsString(sg.getStartRes(),
                      sg.getEndRes() + 1) + "\n");
    }

  }

  protected void pasteNew_actionPerformed()
  {
    paste(true);
  }

  protected void pasteThis_actionPerformed()
  {
    paste(false);
  }

  void paste(boolean newAlignment)
  {
    try
    {

      if (copiedSequences == null)
      {
        return;
      }

      StringTokenizer st = new StringTokenizer(copiedSequences.toString());
      Vector seqs = new Vector();
      while (st.hasMoreElements())
      {
        String name = st.nextToken();
        int start = Integer.parseInt(st.nextToken());
        int end = Integer.parseInt(st.nextToken());
        seqs.addElement(new Sequence(name, st.nextToken(), start, end));
      }
      SequenceI[] newSeqs = new SequenceI[seqs.size()];
      for (int i = 0; i < seqs.size(); i++)
      {
        newSeqs[i] = (SequenceI) seqs.elementAt(i);
      }

      if (newAlignment)
      {
        String newtitle = new String("Copied sequences");
        if (getTitle().startsWith("Copied sequences"))
        {
          newtitle = getTitle();
        }
        else
        {
          newtitle = newtitle.concat("- from " + getTitle());
        }
        AlignFrame af = new AlignFrame(new Alignment(newSeqs),
                viewport.applet, newtitle, false);
        if (copiedHiddenColumns != null)
        {
          for (int i = 0; i < copiedHiddenColumns.size(); i++)
          {
            int[] region = (int[]) copiedHiddenColumns.elementAt(i);
            af.viewport.hideColumns(region[0], region[1]);
          }
        }

        jalview.bin.JalviewLite.addFrame(af, newtitle, DEFAULT_WIDTH,
                DEFAULT_HEIGHT);
      }
      else
      {
        addSequences(newSeqs);
      }

    } catch (Exception ex)
    {
    } // could be anything being pasted in here

  }

  void addSequences(SequenceI[] seqs)
  {
    for (int i = 0; i < seqs.length; i++)
    {
      viewport.alignment.addSequence(seqs[i]);
    }

    // !newAlignment
    addHistoryItem(new EditCommand("Add sequences", EditCommand.PASTE,
            seqs, 0, viewport.alignment.getWidth(), viewport.alignment));

    viewport.setEndSeq(viewport.alignment.getHeight());
    viewport.alignment.getWidth();
    viewport.firePropertyChange("alignment", null,
            viewport.alignment.getSequences());

  }

  protected void cut_actionPerformed()
  {
    copy_actionPerformed();
    delete_actionPerformed();
  }

  protected void delete_actionPerformed()
  {

    SequenceGroup sg = viewport.getSelectionGroup();
    if (sg == null)
    {
      return;
    }

    Vector seqs = new Vector();
    SequenceI seq;
    for (int i = 0; i < sg.getSize(); i++)
    {
      seq = sg.getSequenceAt(i);
      seqs.addElement(seq);
    }

    // If the cut affects all sequences, remove highlighted columns
    if (sg.getSize() == viewport.alignment.getHeight())
    {
      viewport.getColumnSelection().removeElements(sg.getStartRes(),
              sg.getEndRes() + 1);
    }

    SequenceI[] cut = new SequenceI[seqs.size()];
    for (int i = 0; i < seqs.size(); i++)
    {
      cut[i] = (SequenceI) seqs.elementAt(i);
    }

    /*
     * //ADD HISTORY ITEM
     */
    addHistoryItem(new EditCommand("Cut Sequences", EditCommand.CUT, cut,
            sg.getStartRes(), sg.getEndRes() - sg.getStartRes() + 1,
            viewport.alignment));

    viewport.setSelectionGroup(null);
    viewport.alignment.deleteGroup(sg);

    viewport.firePropertyChange("alignment", null, viewport.getAlignment()
            .getSequences());

    if (viewport.getAlignment().getHeight() < 1)
    {
      this.setVisible(false);
    }
    viewport.sendSelection();
  }

  /**
   * group consensus toggled
   * 
   */
01718   protected void showGroupConsensus_actionPerformed()
  {
    viewport.setShowGroupConsensus(showGroupConsensus.getState());
    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());

  }

  /**
   * group conservation toggled.
   */
01728   protected void showGroupConservation_actionPerformed()
  {
    viewport.setShowGroupConservation(showGroupConservation.getState());
    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
  }

  /*
   * (non-Javadoc)
   * 
   * @see
   * jalview.jbgui.GAlignFrame#showConsensusHistogram_actionPerformed(java.awt
   * .event.ActionEvent)
   */
  protected void showConsensusHistogram_actionPerformed()
  {
    viewport.setShowConsensusHistogram(showConsensusHistogram.getState());
    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
  }
  /*
   * (non-Javadoc)
   * 
   * @see
   * jalview.jbgui.GAlignFrame#showConsensusProfile_actionPerformed(java.awt
   * .event.ActionEvent)
   */
  protected void showSequenceLogo_actionPerformed()
  {
    viewport.setShowSequenceLogo(showSequenceLogo.getState());
    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
  }

  protected void applyAutoAnnotationSettings_actionPerformed()
  {
    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
  }

  protected void makeGrpsFromSelection_actionPerformed()
  {
    if (viewport.getSelectionGroup() != null)
    {
      SequenceGroup[] gps = jalview.analysis.Grouping.makeGroupsFrom(
              viewport.getSequenceSelection(),
              viewport.getAlignmentView(true).getSequenceStrings(
                      viewport.getGapCharacter()),
              viewport.alignment.getGroups());
      viewport.alignment.deleteAllGroups();
      viewport.sequenceColours = null;
      viewport.setSelectionGroup(null);
      // set view properties for each group
      for (int g = 0; g < gps.length; g++)
      {
        // gps[g].setShowunconserved(viewport.getShowUnconserved());
        gps[g].setshowSequenceLogo(viewport.isShowSequenceLogo());
        viewport.alignment.addGroup(gps[g]);
        Color col = new Color((int) (Math.random() * 255),
                (int) (Math.random() * 255), (int) (Math.random() * 255));
        col = col.brighter();
        for (Enumeration sq = gps[g].getSequences(null).elements(); sq
                .hasMoreElements(); viewport.setSequenceColour(
                (SequenceI) sq.nextElement(), col))
          ;
      }
      PaintRefresher.Refresh(this, viewport.getSequenceSetId());
      alignPanel.updateAnnotation();
      alignPanel.paintAlignment(true);
    }
  }

  protected void deleteGroups_actionPerformed()
  {
    viewport.alignment.deleteAllGroups();
    viewport.sequenceColours = null;
    viewport.setSelectionGroup(null);

    alignPanel.paintAlignment(true);
  }

  public void selectAllSequenceMenuItem_actionPerformed()
  {
    SequenceGroup sg = new SequenceGroup();
    for (int i = 0; i < viewport.getAlignment().getSequences().size(); i++)
    {
      sg.addSequence(viewport.getAlignment().getSequenceAt(i), false);
    }
    sg.setEndRes(viewport.alignment.getWidth() - 1);
    viewport.setSelectionGroup(sg);
    alignPanel.paintAlignment(true);
    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
    viewport.sendSelection();
  }

  public void deselectAllSequenceMenuItem_actionPerformed()
  {
    if (viewport.cursorMode)
    {
      alignPanel.seqPanel.keyboardNo1 = null;
      alignPanel.seqPanel.keyboardNo2 = null;
    }
    viewport.setSelectionGroup(null);
    viewport.getColumnSelection().clear();
    viewport.setSelectionGroup(null);
    alignPanel.idPanel.idCanvas.searchResults = null;
    alignPanel.seqPanel.seqCanvas.highlightSearchResults(null);
    alignPanel.paintAlignment(true);
    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
    viewport.sendSelection();
  }

  public void invertSequenceMenuItem_actionPerformed()
  {
    SequenceGroup sg = viewport.getSelectionGroup();
    for (int i = 0; i < viewport.getAlignment().getSequences().size(); i++)
    {
      sg.addOrRemove(viewport.getAlignment().getSequenceAt(i), false);
    }

    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
    viewport.sendSelection();
  }

  public void invertColSel_actionPerformed()
  {
    viewport.invertColumnSelection();
    alignPanel.paintAlignment(true);
    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
    viewport.sendSelection();
  }

  void trimAlignment(boolean trimLeft)
  {
    ColumnSelection colSel = viewport.getColumnSelection();
    int column;

    if (colSel.size() > 0)
    {
      if (trimLeft)
      {
        column = colSel.getMin();
      }
      else
      {
        column = colSel.getMax();
      }

      SequenceI[] seqs;
      if (viewport.getSelectionGroup() != null)
      {
        seqs = viewport.getSelectionGroup().getSequencesAsArray(
                viewport.hiddenRepSequences);
      }
      else
      {
        seqs = viewport.alignment.getSequencesArray();
      }

      TrimRegionCommand trimRegion;
      if (trimLeft)
      {
        trimRegion = new TrimRegionCommand("Remove Left",
                TrimRegionCommand.TRIM_LEFT, seqs, column,
                viewport.alignment, viewport.colSel,
                viewport.selectionGroup);
        viewport.setStartRes(0);
      }
      else
      {
        trimRegion = new TrimRegionCommand("Remove Right",
                TrimRegionCommand.TRIM_RIGHT, seqs, column,
                viewport.alignment, viewport.colSel,
                viewport.selectionGroup);
      }

      statusBar.setText("Removed " + trimRegion.getSize() + " columns.");

      addHistoryItem(trimRegion);

      Vector groups = viewport.alignment.getGroups();

      for (int i = 0; i < groups.size(); i++)
      {
        SequenceGroup sg = (SequenceGroup) groups.elementAt(i);

        if ((trimLeft && !sg.adjustForRemoveLeft(column))
                || (!trimLeft && !sg.adjustForRemoveRight(column)))
        {
          viewport.alignment.deleteGroup(sg);
        }
      }

      viewport.firePropertyChange("alignment", null, viewport
              .getAlignment().getSequences());
    }
  }

  public void removeGappedColumnMenuItem_actionPerformed()
  {
    int start = 0, end = viewport.alignment.getWidth() - 1;

    SequenceI[] seqs;
    if (viewport.getSelectionGroup() != null)
    {
      seqs = viewport.getSelectionGroup().getSequencesAsArray(
              viewport.hiddenRepSequences);
      start = viewport.getSelectionGroup().getStartRes();
      end = viewport.getSelectionGroup().getEndRes();
    }
    else
    {
      seqs = viewport.alignment.getSequencesArray();
    }

    RemoveGapColCommand removeGapCols = new RemoveGapColCommand(
            "Remove Gapped Columns", seqs, start, end, viewport.alignment);

    addHistoryItem(removeGapCols);

    statusBar.setText("Removed " + removeGapCols.getSize()
            + " empty columns.");

    // This is to maintain viewport position on first residue
    // of first sequence
    SequenceI seq = viewport.alignment.getSequenceAt(0);
    int startRes = seq.findPosition(viewport.startRes);
    // ShiftList shifts;
    // viewport.getAlignment().removeGaps(shifts=new ShiftList());
    // edit.alColumnChanges=shifts.getInverse();
    // if (viewport.hasHiddenColumns)
    // viewport.getColumnSelection().compensateForEdits(shifts);
    viewport.setStartRes(seq.findIndex(startRes) - 1);
    viewport.firePropertyChange("alignment", null, viewport.getAlignment()
            .getSequences());

  }

  public void removeAllGapsMenuItem_actionPerformed()
  {
    int start = 0, end = viewport.alignment.getWidth() - 1;

    SequenceI[] seqs;
    if (viewport.getSelectionGroup() != null)
    {
      seqs = viewport.getSelectionGroup().getSequencesAsArray(
              viewport.hiddenRepSequences);
      start = viewport.getSelectionGroup().getStartRes();
      end = viewport.getSelectionGroup().getEndRes();
    }
    else
    {
      seqs = viewport.alignment.getSequencesArray();
    }

    // This is to maintain viewport position on first residue
    // of first sequence
    SequenceI seq = viewport.alignment.getSequenceAt(0);
    int startRes = seq.findPosition(viewport.startRes);

    addHistoryItem(new RemoveGapsCommand("Remove Gaps", seqs, start, end,
            viewport.alignment));

    viewport.setStartRes(seq.findIndex(startRes) - 1);

    viewport.firePropertyChange("alignment", null, viewport.getAlignment()
            .getSequences());

  }

  public void findMenuItem_actionPerformed()
  {
    new Finder(alignPanel);
  }

  /**
   * create a new view derived from the current view
   * 
   * @param viewtitle
   * @return frame for the new view
   */
02005   public AlignFrame newView(String viewtitle)
  {
    AlignmentI newal;
    if (viewport.hasHiddenRows)
    {
      newal = new Alignment(viewport.getAlignment().getHiddenSequences()
              .getFullAlignment().getSequencesArray());
    }
    else
    {
      newal = new Alignment(viewport.alignment.getSequencesArray());
    }

    if (viewport.alignment.getAlignmentAnnotation() != null)
    {
      for (int i = 0; i < viewport.alignment.getAlignmentAnnotation().length; i++)
      {
        if (!viewport.alignment.getAlignmentAnnotation()[i].autoCalculated)
        {
          newal.addAnnotation(viewport.alignment.getAlignmentAnnotation()[i]);
        }
      }
    }

    AlignFrame newaf = new AlignFrame(newal, viewport.applet, "", false);

    newaf.viewport.sequenceSetID = alignPanel.av.getSequenceSetId();
    PaintRefresher.Register(alignPanel, alignPanel.av.getSequenceSetId());
    PaintRefresher.Register(newaf.alignPanel,
            newaf.alignPanel.av.getSequenceSetId());

    PaintRefresher.Register(newaf.alignPanel.idPanel.idCanvas,
            newaf.alignPanel.av.getSequenceSetId());
    PaintRefresher.Register(newaf.alignPanel.seqPanel.seqCanvas,
            newaf.alignPanel.av.getSequenceSetId());

    Vector comps = (Vector) PaintRefresher.components.get(viewport
            .getSequenceSetId());
    int viewSize = -1;
    for (int i = 0; i < comps.size(); i++)
    {
      if (comps.elementAt(i) instanceof AlignmentPanel)
      {
        viewSize++;
      }
    }

    String title = new String(this.getTitle());
    if (viewtitle != null)
    {
      title = viewtitle + " ( " + title + ")";
    }
    else
    {
      if (title.indexOf("(View") > -1)
      {
        title = title.substring(0, title.indexOf("(View"));
      }
      title += "(View " + viewSize + ")";
    }

    newaf.setTitle(title.toString());

    newaf.viewport.historyList = viewport.historyList;
    newaf.viewport.redoList = viewport.redoList;
    return newaf;
  }

  /**
   * 
   * @return list of feature groups on the view
   */
02077   public String[] getFeatureGroups()
  {
    FeatureRenderer fr = null;
    if (alignPanel != null
            && (fr = alignPanel.getFeatureRenderer()) != null)
    {
      return fr.getGroups();
    }
    return null;
  }

  /**
   * get sequence feature groups that are hidden or shown
   * 
   * @param visible
   *          true is visible
   * @return list
   */
02095   public String[] getFeatureGroupsOfState(boolean visible)
  {
    FeatureRenderer fr = null;
    if (alignPanel != null
            && (fr = alignPanel.getFeatureRenderer()) != null)
    {
      return fr.getGroups(visible);
    }
    return null;
  }

  /**
   * Change the display state for the given feature groups
   * 
   * @param groups
   *          list of group strings
   * @param state
   *          visible or invisible
   */
02114   public void setFeatureGroupState(String[] groups, boolean state)
  {
    FeatureRenderer fr = null;
    this.sequenceFeatures.setState(true);
    viewport.showSequenceFeatures(true);
    if (alignPanel != null
            && (fr = alignPanel.getFeatureRenderer()) != null)
    {
      fr.setGroupState(groups, state);
      alignPanel.seqPanel.seqCanvas.repaint();
      if (alignPanel.overviewPanel != null)
      {
        alignPanel.overviewPanel.updateOverviewImage();
      }
    }
  }

  public void seqLimits_itemStateChanged()
  {
    viewport.setShowJVSuffix(seqLimits.getState());
    alignPanel.fontChanged();
    alignPanel.paintAlignment(true);
  }

  protected void colourTextMenuItem_actionPerformed()
  {
    viewport.setColourText(colourTextMenuItem.getState());
    alignPanel.paintAlignment(true);
  }

  protected void displayNonconservedMenuItem_actionPerformed()
  {
    viewport.setShowunconserved(displayNonconservedMenuItem.getState());
    alignPanel.paintAlignment(true);
  }

  protected void wrapMenuItem_actionPerformed()
  {
    viewport.setWrapAlignment(wrapMenuItem.getState());
    alignPanel.setWrapAlignment(wrapMenuItem.getState());
    scaleAbove.setEnabled(wrapMenuItem.getState());
    scaleLeft.setEnabled(wrapMenuItem.getState());
    scaleRight.setEnabled(wrapMenuItem.getState());
    alignPanel.paintAlignment(true);
  }

  public void overviewMenuItem_actionPerformed()
  {
    if (alignPanel.overviewPanel != null)
    {
      return;
    }

    Frame frame = new Frame();
    OverviewPanel overview = new OverviewPanel(alignPanel);
    frame.add(overview);
    // +50 must allow for applet frame window
    jalview.bin.JalviewLite.addFrame(frame, "Overview " + this.getTitle(),
            overview.getPreferredSize().width,
            overview.getPreferredSize().height + 50);

    frame.pack();
    frame.addWindowListener(new WindowAdapter()
    {
      public void windowClosing(WindowEvent e)
      {
        alignPanel.setOverviewPanel(null);
      };
    });

    alignPanel.setOverviewPanel(overview);

  }

  void changeColour(ColourSchemeI cs)
  {
    int threshold = 0;

    if (cs != null)
    {
      if (viewport.getAbovePIDThreshold())
      {
        threshold = SliderPanel.setPIDSliderSource(alignPanel, cs,
                "Background");

        cs.setThreshold(threshold, viewport.getIgnoreGapsConsensus());

        viewport.setGlobalColourScheme(cs);
      }
      else
      {
        cs.setThreshold(0, viewport.getIgnoreGapsConsensus());
      }

      if (viewport.getConservationSelected())
      {

        Alignment al = (Alignment) viewport.alignment;
        Conservation c = new Conservation("All",
                ResidueProperties.propHash, 3, al.getSequences(), 0,
                al.getWidth() - 1);

        c.calculate();
        c.verdict(false, viewport.ConsPercGaps);

        cs.setConservation(c);

        cs.setConservationInc(SliderPanel.setConservationSlider(alignPanel,
                cs, "Background"));

      }
      else
      {
        cs.setConservation(null);
      }

      cs.setConsensus(viewport.hconsensus);

    }
    viewport.setGlobalColourScheme(cs);

    if (viewport.getColourAppliesToAllGroups())
    {
      Vector groups = viewport.alignment.getGroups();
      for (int i = 0; i < groups.size(); i++)
      {
        SequenceGroup sg = (SequenceGroup) groups.elementAt(i);

        if (cs == null)
        {
          sg.cs = null;
          continue;
        }
        if (cs instanceof ClustalxColourScheme)
        {
          sg.cs = new ClustalxColourScheme(
                  sg.getSequences(viewport.hiddenRepSequences),
                  sg.getWidth());
        }
        else
        {
          try
          {
            sg.cs = (ColourSchemeI) cs.getClass().newInstance();
          } catch (Exception ex)
          {
            ex.printStackTrace();
            sg.cs = cs;
          }
        }

        if (viewport.getAbovePIDThreshold()
                || cs instanceof PIDColourScheme
                || cs instanceof Blosum62ColourScheme)
        {
          sg.cs.setThreshold(threshold, viewport.getIgnoreGapsConsensus());
          sg.cs.setConsensus(AAFrequency.calculate(
                  sg.getSequences(viewport.hiddenRepSequences), 0,
                  sg.getWidth()));
        }
        else
        {
          sg.cs.setThreshold(0, viewport.getIgnoreGapsConsensus());
        }

        if (viewport.getConservationSelected())
        {
          Conservation c = new Conservation("Group",
                  ResidueProperties.propHash, 3,
                  sg.getSequences(viewport.hiddenRepSequences), 0,
                  viewport.alignment.getWidth() - 1);
          c.calculate();
          c.verdict(false, viewport.ConsPercGaps);
          sg.cs.setConservation(c);
        }
        else
        {
          sg.cs.setConservation(null);
          sg.cs.setThreshold(0, viewport.getIgnoreGapsConsensus());
        }

      }
    }

    if (alignPanel.getOverviewPanel() != null)
    {
      alignPanel.getOverviewPanel().updateOverviewImage();
    }

    jalview.structure.StructureSelectionManager
            .getStructureSelectionManager(viewport.applet).sequenceColoursChanged(
                    alignPanel);

    alignPanel.paintAlignment(true);
  }

  protected void modifyPID_actionPerformed()
  {
    if (viewport.getAbovePIDThreshold()
            && viewport.globalColourScheme != null)
    {
      SliderPanel.setPIDSliderSource(alignPanel,
              viewport.getGlobalColourScheme(), "Background");
      SliderPanel.showPIDSlider();
    }
  }

  protected void modifyConservation_actionPerformed()
  {
    if (viewport.getConservationSelected()
            && viewport.globalColourScheme != null)
    {
      SliderPanel.setConservationSlider(alignPanel,
              viewport.globalColourScheme, "Background");
      SliderPanel.showConservationSlider();
    }
  }

  protected void conservationMenuItem_actionPerformed()
  {
    viewport.setConservationSelected(conservationMenuItem.getState());

    viewport.setAbovePIDThreshold(false);
    abovePIDThreshold.setState(false);

    changeColour(viewport.getGlobalColourScheme());

    modifyConservation_actionPerformed();
  }

  public void abovePIDThreshold_actionPerformed()
  {
    viewport.setAbovePIDThreshold(abovePIDThreshold.getState());

    conservationMenuItem.setState(false);
    viewport.setConservationSelected(false);

    changeColour(viewport.getGlobalColourScheme());

    modifyPID_actionPerformed();
  }

  public void sortPairwiseMenuItem_actionPerformed()
  {
    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
    AlignmentSorter.sortByPID(viewport.getAlignment(), viewport
            .getAlignment().getSequenceAt(0), null);

    addHistoryItem(new OrderCommand("Pairwise Sort", oldOrder,
            viewport.alignment));
    alignPanel.paintAlignment(true);
  }

  public void sortIDMenuItem_actionPerformed()
  {
    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
    AlignmentSorter.sortByID(viewport.getAlignment());
    addHistoryItem(new OrderCommand("ID Sort", oldOrder, viewport.alignment));
    alignPanel.paintAlignment(true);
  }

  public void sortLengthMenuItem_actionPerformed()
  {
    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
    AlignmentSorter.sortByLength(viewport.getAlignment());
    addHistoryItem(new OrderCommand("Length Sort", oldOrder,
            viewport.alignment));
    alignPanel.paintAlignment(true);
  }

  public void sortGroupMenuItem_actionPerformed()
  {
    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
    AlignmentSorter.sortByGroup(viewport.getAlignment());
    addHistoryItem(new OrderCommand("Group Sort", oldOrder,
            viewport.alignment));
    alignPanel.paintAlignment(true);

  }

  public void removeRedundancyMenuItem_actionPerformed()
  {
    new RedundancyPanel(alignPanel);
  }

  public void pairwiseAlignmentMenuItem_actionPerformed()
  {
    if (viewport.getSelectionGroup() != null
            && viewport.getSelectionGroup().getSize() > 1)
    {
      Frame frame = new Frame();
      frame.add(new PairwiseAlignPanel(alignPanel));
      jalview.bin.JalviewLite.addFrame(frame, "Pairwise Alignment", 600,
              500);
    }
  }

  public void PCAMenuItem_actionPerformed()
  {
    // are the sequences aligned?
    if (!viewport.alignment.isAligned(false))
    {
      SequenceI current;
      int Width = viewport.getAlignment().getWidth();

      for (int i = 0; i < viewport.getAlignment().getSequences().size(); i++)
      {
        current = viewport.getAlignment().getSequenceAt(i);

        if (current.getLength() < Width)
        {
          current.insertCharAt(Width - 1, viewport.getGapCharacter());
        }
      }
      alignPanel.paintAlignment(true);
    }

    if ((viewport.getSelectionGroup() != null
            && viewport.getSelectionGroup().getSize() < 4 && viewport
            .getSelectionGroup().getSize() > 0)
            || viewport.getAlignment().getHeight() < 4)
    {
      return;
    }

    try
    {
      new PCAPanel(viewport);
    } catch (java.lang.OutOfMemoryError ex)
    {
    }

  }

  public void averageDistanceTreeMenuItem_actionPerformed()
  {
    NewTreePanel("AV", "PID", "Average distance tree using PID");
  }

  public void neighbourTreeMenuItem_actionPerformed()
  {
    NewTreePanel("NJ", "PID", "Neighbour joining tree using PID");
  }

  protected void njTreeBlosumMenuItem_actionPerformed()
  {
    NewTreePanel("NJ", "BL", "Neighbour joining tree using BLOSUM62");
  }

  protected void avTreeBlosumMenuItem_actionPerformed()
  {
    NewTreePanel("AV", "BL", "Average distance tree using BLOSUM62");
  }

  void NewTreePanel(String type, String pwType, String title)
  {
    // are the sequences aligned?
    if (!viewport.alignment.isAligned(false))
    {
      SequenceI current;
      int Width = viewport.getAlignment().getWidth();

      for (int i = 0; i < viewport.getAlignment().getSequences().size(); i++)
      {
        current = viewport.getAlignment().getSequenceAt(i);

        if (current.getLength() < Width)
        {
          current.insertCharAt(Width - 1, viewport.getGapCharacter());
        }
      }
      alignPanel.paintAlignment(true);

    }

    if ((viewport.getSelectionGroup() != null && viewport
            .getSelectionGroup().getSize() > 1)
            || (viewport.getSelectionGroup() == null && viewport.alignment
                    .getHeight() > 1))
    {
      final TreePanel tp = new TreePanel(alignPanel, type, pwType);

      addTreeMenuItem(tp, title);

      jalview.bin.JalviewLite.addFrame(tp, title, 600, 500);
    }
  }

  void loadTree_actionPerformed()
  {
    CutAndPasteTransfer cap = new CutAndPasteTransfer(true, this);
    cap.setText("Paste your Newick tree file here.");
    cap.setTreeImport();
    Frame frame = new Frame();
    frame.add(cap);
    jalview.bin.JalviewLite.addFrame(frame, "Paste Newick file ", 400, 300);
  }

  public void loadTree(jalview.io.NewickFile tree, String treeFile)
  {
    TreePanel tp = new TreePanel(alignPanel, treeFile, "From File - ", tree);
    jalview.bin.JalviewLite.addFrame(tp, treeFile, 600, 500);
    addTreeMenuItem(tp, treeFile);
  }

  /**
   * sort the alignment using the given treePanel
   * 
   * @param treePanel
   *          tree used to sort view
   * @param title
   *          string used for undo event name
   */
02527   public void sortByTree(TreePanel treePanel, String title)
  {
    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
    AlignmentSorter
            .sortByTree(viewport.getAlignment(), treePanel.getTree());
    // addHistoryItem(new HistoryItem("Sort", viewport.alignment,
    // HistoryItem.SORT));
    addHistoryItem(new OrderCommand("Order by " + title, oldOrder,
            viewport.alignment));
    alignPanel.paintAlignment(true);
  }

  /**
   * Do any automatic reordering of the alignment and add the necessary bits to
   * the menu structure for the new tree
   * 
   * @param treePanel
   * @param title
   */
02546   protected void addTreeMenuItem(final TreePanel treePanel,
          final String title)
  {
    final MenuItem item = new MenuItem(title);
    sortByTreeMenu.add(item);
    item.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent evt)
      {
        sortByTree(treePanel, title); // treePanel.getTitle());
      }
    });
    
    treePanel.addWindowListener(new WindowAdapter()
    {
      public void windowOpened(WindowEvent e)
      {
        if (viewport.sortByTree)
        {
          sortByTree(treePanel, title);
        }
        super.windowOpened(e);
      }

      public void windowClosing(WindowEvent e)
      {
        sortByTreeMenu.remove(item);
      };
    });
  }
  public boolean sortBy(AlignmentOrder alorder, String undoname)
  {
    SequenceI[] oldOrder = viewport.getAlignment()
    .getSequencesArray();
    if (viewport.applet.debug)
    {
      System.err.println("Sorting "+alorder.getOrder().size()+" in alignment '"+getTitle()+"'");
    }
    AlignmentSorter.sortBy(viewport.getAlignment(), alorder);
    if (undoname!=null)
    {
      addHistoryItem(new OrderCommand(undoname, oldOrder, viewport.alignment));
    }
    alignPanel.paintAlignment(true);
    return true;
  }

  protected void documentation_actionPerformed()
  {
    alignPanel.av.applet.openJalviewHelpUrl();
  }

  protected void about_actionPerformed()
  {

    class AboutPanel extends Canvas
    {
      String version;

      String builddate;

      public AboutPanel(String version, String builddate)
      {
        this.version = version;
        this.builddate = builddate;
      }

      public void paint(Graphics g)
      {
        g.setColor(Color.white);
        g.fillRect(0, 0, getSize().width, getSize().height);
        g.setFont(new Font("Helvetica", Font.PLAIN, 12));
        FontMetrics fm = g.getFontMetrics();
        int fh = fm.getHeight();
        int y = 5, x = 7;
        g.setColor(Color.black);
        // TODO: update this text for each release or centrally store it for
        // lite and application
        g.setFont(new Font("Helvetica", Font.BOLD, 14));
        g.drawString("JalviewLite - Release " + version, x, y += fh);
        g.setFont(new Font("Helvetica", Font.BOLD, 12));
        g.drawString("Build date: " + builddate, x, y += fh);
        g.setFont(new Font("Helvetica", Font.PLAIN, 12));
        g.drawString(
                "Authors:  Jim Procter, Andrew Waterhouse, Michele Clamp, James Cuff, Steve Searle,",
                x, y += fh * 1.5);
        g.drawString("David Martin & Geoff Barton.", x + 50, y += fh);
        g.drawString(
                "Development managed by The Barton Group, University of Dundee, Scotland, UK.",
                x, y += fh);
        g.drawString(
                "For help, see the FAQ at www.jalview.org and/or join the jalview-discuss@jalview.org mailing list",
                x, y += fh);
        g.drawString("If  you use Jalview, please cite:", x, y += fh + 8);
        g.drawString(
                "Waterhouse, A.M., Procter, J.B., Martin, D.M.A, Clamp, M. and Barton, G. J. (2009)",
                x, y += fh);
        g.drawString(
                "Jalview Version 2 - a multiple sequence alignment editor and analysis workbench",
                x, y += fh);
        g.drawString("Bioinformatics doi: 10.1093/bioinformatics/btp033",
                x, y += fh);
      }
    }

    Frame frame = new Frame();
    frame.add(new AboutPanel(JalviewLite.getVersion(), JalviewLite
            .getBuildDate()));
    jalview.bin.JalviewLite.addFrame(frame, "Jalview", 580, 220);

  }

  public void showURL(String url, String target)
  {
    if (viewport.applet == null)
    {
      System.out.println("Not running as applet - no browser available.");
    }
    else
    {
      viewport.applet.showURL(url, target);
    }
  }

  // ////////////////////////////////////////////////////////////////////////////////
  // JBuilder Graphics here

  MenuBar alignFrameMenuBar = new MenuBar();

  Menu fileMenu = new Menu("File");

  MenuItem loadApplication = new MenuItem("View in Full Application");

  MenuItem loadTree = new MenuItem("Load Associated Tree ...");

  MenuItem loadAnnotations = new MenuItem("Load Features/Annotations ...");

  MenuItem outputFeatures = new MenuItem("Export Features ...");

  MenuItem outputAnnotations = new MenuItem("Export Annotations ...");

  MenuItem closeMenuItem = new MenuItem("Close");

  Menu editMenu = new Menu("Edit");

  Menu viewMenu = new Menu("View");

  Menu colourMenu = new Menu("Colour");

  Menu calculateMenu = new Menu("Calculate");

  MenuItem selectAllSequenceMenuItem = new MenuItem("Select all");

  MenuItem deselectAllSequenceMenuItem = new MenuItem("Deselect All");

  MenuItem invertSequenceMenuItem = new MenuItem("Invert Selection");

  MenuItem remove2LeftMenuItem = new MenuItem();

  MenuItem remove2RightMenuItem = new MenuItem();

  MenuItem removeGappedColumnMenuItem = new MenuItem();

  MenuItem removeAllGapsMenuItem = new MenuItem();

  CheckboxMenuItem viewBoxesMenuItem = new CheckboxMenuItem();

  CheckboxMenuItem viewTextMenuItem = new CheckboxMenuItem();

  MenuItem sortPairwiseMenuItem = new MenuItem();

  MenuItem sortIDMenuItem = new MenuItem();

  MenuItem sortLengthMenuItem = new MenuItem();

  MenuItem sortGroupMenuItem = new MenuItem();

  MenuItem removeRedundancyMenuItem = new MenuItem();

  MenuItem pairwiseAlignmentMenuItem = new MenuItem();

  MenuItem PCAMenuItem = new MenuItem();

  MenuItem averageDistanceTreeMenuItem = new MenuItem();

  MenuItem neighbourTreeMenuItem = new MenuItem();

  BorderLayout borderLayout1 = new BorderLayout();

  public Label statusBar = new Label();

  Menu outputTextboxMenu = new Menu();

  MenuItem clustalColour = new MenuItem();

  MenuItem zappoColour = new MenuItem();

  MenuItem taylorColour = new MenuItem();

  MenuItem hydrophobicityColour = new MenuItem();

  MenuItem helixColour = new MenuItem();

  MenuItem strandColour = new MenuItem();

  MenuItem turnColour = new MenuItem();

  MenuItem buriedColour = new MenuItem();

  MenuItem userDefinedColour = new MenuItem();

  MenuItem PIDColour = new MenuItem();

  MenuItem BLOSUM62Colour = new MenuItem();

  MenuItem njTreeBlosumMenuItem = new MenuItem();

  MenuItem avDistanceTreeBlosumMenuItem = new MenuItem();

  CheckboxMenuItem annotationPanelMenuItem = new CheckboxMenuItem();

  CheckboxMenuItem colourTextMenuItem = new CheckboxMenuItem();

  CheckboxMenuItem displayNonconservedMenuItem = new CheckboxMenuItem();

  MenuItem alProperties = new MenuItem("Alignment Properties...");

  MenuItem overviewMenuItem = new MenuItem();

  MenuItem undoMenuItem = new MenuItem();

  MenuItem redoMenuItem = new MenuItem();

  CheckboxMenuItem conservationMenuItem = new CheckboxMenuItem();

  MenuItem noColourmenuItem = new MenuItem();

  CheckboxMenuItem wrapMenuItem = new CheckboxMenuItem();

  CheckboxMenuItem renderGapsMenuItem = new CheckboxMenuItem();

  MenuItem findMenuItem = new MenuItem();

  CheckboxMenuItem abovePIDThreshold = new CheckboxMenuItem();

  MenuItem nucleotideColour = new MenuItem();

  MenuItem deleteGroups = new MenuItem();

  MenuItem grpsFromSelection = new MenuItem();

  MenuItem delete = new MenuItem();

  MenuItem copy = new MenuItem();

  MenuItem cut = new MenuItem();

  Menu pasteMenu = new Menu();

  MenuItem pasteNew = new MenuItem();

  MenuItem pasteThis = new MenuItem();

  CheckboxMenuItem applyToAllGroups = new CheckboxMenuItem();

  MenuItem font = new MenuItem();

  CheckboxMenuItem scaleAbove = new CheckboxMenuItem();

  CheckboxMenuItem scaleLeft = new CheckboxMenuItem();

  CheckboxMenuItem scaleRight = new CheckboxMenuItem();

  MenuItem modifyPID = new MenuItem();

  MenuItem modifyConservation = new MenuItem();

  CheckboxMenuItem autoCalculate = new CheckboxMenuItem(
          "Autocalculate Consensus", true);

  CheckboxMenuItem sortByTree = new CheckboxMenuItem(
          "Sort Alignment With New Tree", true);

  Menu sortByTreeMenu = new Menu();

  Menu sort = new Menu();

  Menu calculate = new Menu();

  MenuItem inputText = new MenuItem();

  Menu helpMenu = new Menu();

  MenuItem documentation = new MenuItem();

  MenuItem about = new MenuItem();

  CheckboxMenuItem seqLimits = new CheckboxMenuItem();

  CheckboxMenuItem centreColumnLabelFlag = new CheckboxMenuItem();
  
  CheckboxMenuItem followMouseOverFlag = new CheckboxMenuItem();
  Menu autoAnnMenu=new Menu();
  CheckboxMenuItem showSequenceLogo= new CheckboxMenuItem();
  CheckboxMenuItem applyAutoAnnotationSettings = new CheckboxMenuItem();
  CheckboxMenuItem showConsensusHistogram = new CheckboxMenuItem();
  CheckboxMenuItem showGroupConsensus = new CheckboxMenuItem();
  CheckboxMenuItem showGroupConservation = new CheckboxMenuItem();

  private void jbInit() throws Exception
  {

    setMenuBar(alignFrameMenuBar);

    MenuItem item;

    // dynamically fill save as menu with available formats
    for (int i = 0; i < jalview.io.AppletFormatAdapter.WRITEABLE_FORMATS.length; i++)
    {

      item = new MenuItem(
              jalview.io.AppletFormatAdapter.WRITEABLE_FORMATS[i]);

      item.addActionListener(new java.awt.event.ActionListener()
      {
        public void actionPerformed(ActionEvent e)
        {
          outputText_actionPerformed(e);
        }
      });

      outputTextboxMenu.add(item);
    }
    closeMenuItem.addActionListener(this);
    loadApplication.addActionListener(this);

    loadTree.addActionListener(this);
    loadAnnotations.addActionListener(this);
    outputFeatures.addActionListener(this);
    outputAnnotations.addActionListener(this);
    selectAllSequenceMenuItem.addActionListener(this);
    deselectAllSequenceMenuItem.addActionListener(this);
    invertSequenceMenuItem.addActionListener(this);
    remove2LeftMenuItem.setLabel("Remove Left");
    remove2LeftMenuItem.addActionListener(this);
    remove2RightMenuItem.setLabel("Remove Right");
    remove2RightMenuItem.addActionListener(this);
    removeGappedColumnMenuItem.setLabel("Remove Empty Columns");
    removeGappedColumnMenuItem.addActionListener(this);
    removeAllGapsMenuItem.setLabel("Remove All Gaps");
    removeAllGapsMenuItem.addActionListener(this);
    viewBoxesMenuItem.setLabel("Boxes");
    viewBoxesMenuItem.setState(true);
    viewBoxesMenuItem.addItemListener(this);
    viewTextMenuItem.setLabel("Text");
    viewTextMenuItem.setState(true);
    viewTextMenuItem.addItemListener(this);
    sortPairwiseMenuItem.setLabel("by Pairwise Identity");
    sortPairwiseMenuItem.addActionListener(this);
    sortIDMenuItem.setLabel("by ID");
    sortIDMenuItem.addActionListener(this);
    sortLengthMenuItem.setLabel("by Length");
    sortLengthMenuItem.addActionListener(this);
    sortGroupMenuItem.setLabel("by Group");
    sortGroupMenuItem.addActionListener(this);
    removeRedundancyMenuItem.setLabel("Remove Redundancy...");
    removeRedundancyMenuItem.addActionListener(this);
    pairwiseAlignmentMenuItem.setLabel("Pairwise Alignments...");
    pairwiseAlignmentMenuItem.addActionListener(this);
    PCAMenuItem.setLabel("Principal Component Analysis");
    PCAMenuItem.addActionListener(this);
    averageDistanceTreeMenuItem
            .setLabel("Average Distance Using % Identity");
    averageDistanceTreeMenuItem.addActionListener(this);
    neighbourTreeMenuItem.setLabel("Neighbour Joining Using % Identity");
    neighbourTreeMenuItem.addActionListener(this);
    statusBar.setBackground(Color.white);
    statusBar.setFont(new java.awt.Font("Verdana", 0, 11));
    statusBar.setText("Status bar");
    outputTextboxMenu.setLabel("Output to Textbox");
    clustalColour.setLabel("Clustalx");

    clustalColour.addActionListener(this);
    zappoColour.setLabel("Zappo");
    zappoColour.addActionListener(this);
    taylorColour.setLabel("Taylor");
    taylorColour.addActionListener(this);
    hydrophobicityColour.setLabel("Hydrophobicity");
    hydrophobicityColour.addActionListener(this);
    helixColour.setLabel("Helix Propensity");
    helixColour.addActionListener(this);
    strandColour.setLabel("Strand Propensity");
    strandColour.addActionListener(this);
    turnColour.setLabel("Turn Propensity");
    turnColour.addActionListener(this);
    buriedColour.setLabel("Buried Index");
    buriedColour.addActionListener(this);
    userDefinedColour.setLabel("User Defined...");
    userDefinedColour.addActionListener(this);
    PIDColour.setLabel("Percentage Identity");
    PIDColour.addActionListener(this);
    BLOSUM62Colour.setLabel("BLOSUM62 Score");
    BLOSUM62Colour.addActionListener(this);
    avDistanceTreeBlosumMenuItem
            .setLabel("Average Distance Using BLOSUM62");
    avDistanceTreeBlosumMenuItem.addActionListener(this);
    njTreeBlosumMenuItem.setLabel("Neighbour Joining Using BLOSUM62");
    njTreeBlosumMenuItem.addActionListener(this);
    annotationPanelMenuItem.setLabel("Show Annotations");
    annotationPanelMenuItem.addItemListener(this);
    colourTextMenuItem.setLabel("Colour Text");
    colourTextMenuItem.addItemListener(this);
    displayNonconservedMenuItem.setLabel("Show nonconserved");
    displayNonconservedMenuItem.addItemListener(this);
    alProperties.addActionListener(this);
    overviewMenuItem.setLabel("Overview Window");
    overviewMenuItem.addActionListener(this);
    undoMenuItem.setEnabled(false);
    undoMenuItem.setLabel("Undo");
    undoMenuItem.addActionListener(this);
    redoMenuItem.setEnabled(false);
    redoMenuItem.setLabel("Redo");
    redoMenuItem.addActionListener(this);
    conservationMenuItem.setLabel("by Conservation");
    conservationMenuItem.addItemListener(this);
    noColourmenuItem.setLabel("None");
    noColourmenuItem.addActionListener(this);
    wrapMenuItem.setLabel("Wrap");
    wrapMenuItem.addItemListener(this);
    renderGapsMenuItem.setLabel("Show Gaps");
    renderGapsMenuItem.setState(true);
    renderGapsMenuItem.addItemListener(this);
    findMenuItem.setLabel("Find...");
    findMenuItem.addActionListener(this);
    abovePIDThreshold.setLabel("Above Identity Threshold");
    abovePIDThreshold.addItemListener(this);
    nucleotideColour.setLabel("Nucleotide");
    nucleotideColour.addActionListener(this);
    deleteGroups.setLabel("Undefine Groups");
    deleteGroups.addActionListener(this);
    grpsFromSelection.setLabel("Make Groups for selection");
    grpsFromSelection.addActionListener(this);
    copy.setLabel("Copy");
    copy.addActionListener(this);
    cut.setLabel("Cut");
    cut.addActionListener(this);
    delete.setLabel("Delete");
    delete.addActionListener(this);
    pasteMenu.setLabel("Paste");
    pasteNew.setLabel("To New Alignment");
    pasteNew.addActionListener(this);
    pasteThis.setLabel("Add To This Alignment");
    pasteThis.addActionListener(this);
    applyToAllGroups.setLabel("Apply Colour To All Groups");
    applyToAllGroups.setState(true);
    applyToAllGroups.addItemListener(this);
    font.setLabel("Font...");
    font.addActionListener(this);
    scaleAbove.setLabel("Scale Above");
    scaleAbove.setState(true);
    scaleAbove.setEnabled(false);
    scaleAbove.addItemListener(this);
    scaleLeft.setEnabled(false);
    scaleLeft.setState(true);
    scaleLeft.setLabel("Scale Left");
    scaleLeft.addItemListener(this);
    scaleRight.setEnabled(false);
    scaleRight.setState(true);
    scaleRight.setLabel("Scale Right");
    scaleRight.addItemListener(this);
    modifyPID.setLabel("Modify Identity Threshold...");
    modifyPID.addActionListener(this);
    modifyConservation.setLabel("Modify Conservation Threshold...");
    modifyConservation.addActionListener(this);
    sortByTreeMenu.setLabel("By Tree Order");
    sort.setLabel("Sort");
    calculate.setLabel("Calculate Tree");
    autoCalculate.addItemListener(this);
    sortByTree.addItemListener(this);
    inputText.setLabel("Input from textbox");
    inputText.addActionListener(this);
    centreColumnLabelFlag.setLabel("Centre column labels");
    centreColumnLabelFlag.addItemListener(this);
    followMouseOverFlag.setLabel("Automatic Scrolling");
    followMouseOverFlag.addItemListener(this);
    helpMenu.setLabel("Help");
    documentation.setLabel("Documentation");
    documentation.addActionListener(this);

    about.setLabel("About...");
    about.addActionListener(this);
    seqLimits.setState(true);
    seqLimits.setLabel("Show Sequence Limits");
    seqLimits.addItemListener(this);
    featureSettings.setLabel("Feature Settings...");
    featureSettings.addActionListener(this);
    sequenceFeatures.setLabel("Sequence Features");
    sequenceFeatures.addItemListener(this);
    sequenceFeatures.setState(false);
    annotationColour.setLabel("by Annotation...");
    annotationColour.addActionListener(this);
    invertSequenceMenuItem.setLabel("Invert Sequence Selection");
    invertColSel.setLabel("Invert Column Selection");
    menu1.setLabel("Show");
    showColumns.setLabel("All Columns ");
    showSeqs.setLabel("All Sequences");
    menu2.setLabel("Hide");
    hideColumns.setLabel("Selected Columns");
    hideSequences.setLabel("Selected Sequences");
    hideAllButSelection.setLabel("All but Selected Region (Shift+Ctrl+H)");
    hideAllSelection.setLabel("Selected Region");
    showAllHidden.setLabel("All Sequences and Columns");
    showGroupConsensus.setLabel("Group Consensus");
    showGroupConservation.setLabel("Group Conservation");
    showConsensusHistogram.setLabel("Show Consensus Histogram");
    showSequenceLogo.setLabel("Show Consensus Logo");
    applyAutoAnnotationSettings.setLabel("Apply to all groups");
    applyAutoAnnotationSettings.setState(true);
    autoAnnMenu.setLabel("Autocalculated Annotation");
    
    invertColSel.addActionListener(this);
    showColumns.addActionListener(this);
    showSeqs.addActionListener(this);
    hideColumns.addActionListener(this);
    hideSequences.addActionListener(this);
    hideAllButSelection.addActionListener(this);
    hideAllSelection.addActionListener(this);
    showAllHidden.addActionListener(this);
    showGroupConsensus.addItemListener(this);
    showGroupConservation.addItemListener(this);
    showConsensusHistogram.addItemListener(this);
    showSequenceLogo.addItemListener(this);
    applyAutoAnnotationSettings.addItemListener(this);
    formatMenu.setLabel("Format");
    selectMenu.setLabel("Select");
    newView.setLabel("New View");
    newView.addActionListener(this);
    alignFrameMenuBar.add(fileMenu);
    alignFrameMenuBar.add(editMenu);
    alignFrameMenuBar.add(selectMenu);
    alignFrameMenuBar.add(viewMenu);
    alignFrameMenuBar.add(formatMenu);
    alignFrameMenuBar.add(colourMenu);
    alignFrameMenuBar.add(calculateMenu);
    alignFrameMenuBar.add(helpMenu);

    fileMenu.add(inputText);
    fileMenu.add(loadTree);
    fileMenu.add(loadAnnotations);

    fileMenu.addSeparator();
    fileMenu.add(outputTextboxMenu);
    fileMenu.add(outputFeatures);
    fileMenu.add(outputAnnotations);

    if (jalviewServletURL != null)
    {
      fileMenu.add(loadApplication);
    }

    fileMenu.addSeparator();
    fileMenu.add(closeMenuItem);

    editMenu.add(undoMenuItem);
    editMenu.add(redoMenuItem);
    editMenu.add(cut);
    editMenu.add(copy);
    editMenu.add(pasteMenu);
    editMenu.add(delete);
    editMenu.addSeparator();
    editMenu.add(remove2LeftMenuItem);
    editMenu.add(remove2RightMenuItem);
    editMenu.add(removeGappedColumnMenuItem);
    editMenu.add(removeAllGapsMenuItem);
    editMenu.add(removeRedundancyMenuItem);
    viewMenu.add(newView);
    viewMenu.addSeparator();
    viewMenu.add(menu1);
    viewMenu.add(menu2);
    viewMenu.addSeparator();
    viewMenu.add(followMouseOverFlag);
    viewMenu.add(annotationPanelMenuItem);
    autoAnnMenu.add(applyAutoAnnotationSettings);
    autoAnnMenu.add(showConsensusHistogram);
    autoAnnMenu.add(showSequenceLogo);
    autoAnnMenu.addSeparator();
    autoAnnMenu.add(showGroupConservation);
    autoAnnMenu.add(showGroupConsensus);
    viewMenu.add(autoAnnMenu);
    viewMenu.addSeparator();
    viewMenu.add(sequenceFeatures);
    viewMenu.add(featureSettings);
    viewMenu.addSeparator();
    viewMenu.add(alProperties);
    viewMenu.addSeparator();
    viewMenu.add(overviewMenuItem);
    colourMenu.add(applyToAllGroups);
    colourMenu.addSeparator();
    colourMenu.add(noColourmenuItem);
    colourMenu.add(clustalColour);
    colourMenu.add(BLOSUM62Colour);
    colourMenu.add(PIDColour);
    colourMenu.add(zappoColour);
    colourMenu.add(taylorColour);
    colourMenu.add(hydrophobicityColour);
    colourMenu.add(helixColour);
    colourMenu.add(strandColour);
    colourMenu.add(turnColour);
    colourMenu.add(buriedColour);
    colourMenu.add(nucleotideColour);
    colourMenu.add(userDefinedColour);
    colourMenu.addSeparator();
    colourMenu.add(conservationMenuItem);
    colourMenu.add(modifyConservation);
    colourMenu.add(abovePIDThreshold);
    colourMenu.add(modifyPID);
    colourMenu.add(annotationColour);
    calculateMenu.add(sort);
    calculateMenu.add(calculate);
    calculateMenu.addSeparator();
    calculateMenu.add(pairwiseAlignmentMenuItem);
    calculateMenu.add(PCAMenuItem);
    calculateMenu.add(autoCalculate);
    calculateMenu.add(sortByTree);
    this.add(statusBar, BorderLayout.SOUTH);
    pasteMenu.add(pasteNew);
    pasteMenu.add(pasteThis);
    sort.add(sortIDMenuItem);
    sort.add(sortLengthMenuItem);
    sort.add(sortByTreeMenu);
    sort.add(sortGroupMenuItem);
    sort.add(sortPairwiseMenuItem);
    calculate.add(averageDistanceTreeMenuItem);
    calculate.add(neighbourTreeMenuItem);
    calculate.add(avDistanceTreeBlosumMenuItem);
    calculate.add(njTreeBlosumMenuItem);
    helpMenu.add(documentation);
    helpMenu.add(about);
    menu1.add(showColumns);
    menu1.add(showSeqs);
    menu1.add(showAllHidden);
    menu2.add(hideColumns);
    menu2.add(hideSequences);
    menu2.add(hideAllSelection);
    menu2.add(hideAllButSelection);
    formatMenu.add(font);
    formatMenu.add(seqLimits);
    formatMenu.add(wrapMenuItem);
    formatMenu.add(scaleAbove);
    formatMenu.add(scaleLeft);
    formatMenu.add(scaleRight);
    formatMenu.add(viewBoxesMenuItem);
    formatMenu.add(viewTextMenuItem);
    formatMenu.add(colourTextMenuItem);
    formatMenu.add(displayNonconservedMenuItem);
    formatMenu.add(renderGapsMenuItem);
    formatMenu.add(centreColumnLabelFlag);
    selectMenu.add(findMenuItem);
    selectMenu.addSeparator();
    selectMenu.add(selectAllSequenceMenuItem);
    selectMenu.add(deselectAllSequenceMenuItem);
    selectMenu.add(invertSequenceMenuItem);
    selectMenu.add(invertColSel);
    selectMenu.add(grpsFromSelection);
    selectMenu.add(deleteGroups);

  }

  MenuItem featureSettings = new MenuItem();

  CheckboxMenuItem sequenceFeatures = new CheckboxMenuItem();

  MenuItem annotationColour = new MenuItem();

  MenuItem invertColSel = new MenuItem();

  Menu menu1 = new Menu();

  MenuItem showColumns = new MenuItem();

  MenuItem showSeqs = new MenuItem();

  Menu menu2 = new Menu();

  MenuItem hideColumns = new MenuItem();

  MenuItem hideSequences = new MenuItem();

  MenuItem hideAllButSelection = new MenuItem();

  MenuItem hideAllSelection = new MenuItem();

  MenuItem showAllHidden = new MenuItem();

  Menu formatMenu = new Menu();

  Menu selectMenu = new Menu();

  MenuItem newView = new MenuItem();

  /**
   * Attach the alignFrame panels after embedding menus, if necessary. This used
   * to be called setEmbedded, but is now creates the dropdown menus in a
   * platform independent manner to avoid OSX/Mac menu appendage daftness.
   * 
   * @param reallyEmbedded
   *          true to attach the view to the applet area on the page rather than
   *          in a new window
   */
03255   public void createAlignFrameWindow(boolean reallyEmbedded, String title)
  {
    if (reallyEmbedded)
    {
      // ////
      // Explicly build the embedded menu panel for the on-page applet
      //
      // view cannot be closed if its actually on the page
      fileMenu.remove(closeMenuItem);
      fileMenu.remove(3); // Remove Seperator
      embeddedMenu = makeEmbeddedPopupMenu(alignFrameMenuBar, "Arial",
              Font.PLAIN, 10, false); // use our own fonts.
      // and actually add the components to the applet area
      viewport.applet.setLayout(new BorderLayout());
      viewport.applet.add(embeddedMenu, BorderLayout.NORTH);
      viewport.applet.add(statusBar, BorderLayout.SOUTH);
      alignPanel.setSize(viewport.applet.getSize().width,
              viewport.applet.getSize().height - embeddedMenu.HEIGHT
                      - statusBar.HEIGHT);
      viewport.applet.add(alignPanel, BorderLayout.CENTER);
      final AlignFrame me = this;
      viewport.applet.addFocusListener(new FocusListener()
      {
        
        @Override
        public void focusLost(FocusEvent e)
        {
          if (me.viewport.applet.currentAlignFrame==me) {
                  me.viewport.applet.currentAlignFrame = null;
        }}
        
        @Override
        public void focusGained(FocusEvent e)
        {
          me.viewport.applet.currentAlignFrame = me;
        }
      });
      viewport.applet.validate();
    }
    else
    {
      // //////
      // test and embed menu bar if necessary.
      //
      if (embedMenuIfNeeded(alignPanel))
      {
        // adjust for status bar height too
        alignPanel.setSize(getSize().width, getSize().height
                - statusBar.HEIGHT);
      }
      add(statusBar, BorderLayout.SOUTH);
      add(alignPanel, BorderLayout.CENTER);
      // and register with the applet so it can pass external API calls to us
      jalview.bin.JalviewLite.addFrame(this, title, DEFAULT_WIDTH,
              DEFAULT_HEIGHT);
    }
  }

  /**
   * create a new binding between structures in an existing jmol viewer instance
   * and an alignpanel with sequences that have existing PDBFile entries. Note,
   * this does not open a new Jmol window, or modify the display of the
   * structures in the original jmol window. Note This method doesn't work
   * without an additional javascript library to exchange messages between the
   * distinct applets. See http://issues.jalview.org/browse/JAL-621
   * 
   * @param viewer
   *          JmolViewer instance
   * @param sequenceIds
   *          - sequence Ids to search for associations
   */
03326   public SequenceStructureBinding addStructureViewInstance(
          Object jmolviewer, String[] sequenceIds)
  {
    org.jmol.api.JmolViewer viewer = null;
    try
    {
      viewer = (org.jmol.api.JmolViewer) jmolviewer;
    } catch (ClassCastException ex)
    {
      System.err.println("Unsupported viewer object :"
              + jmolviewer.getClass());
    }
    if (viewer == null)
    {
      System.err.println("Can't use this object as a structure viewer:"
              + jmolviewer.getClass());
      return null;
    }
    SequenceI[] seqs = null;
    if (sequenceIds == null || sequenceIds.length == 0)
    {
      seqs = viewport.getAlignment().getSequencesArray();
    }
    else
    {
      Vector sqi = new Vector();
      AlignmentI al = viewport.getAlignment();
      for (int sid = 0; sid < sequenceIds.length; sid++)
      {
        SequenceI sq = al.findName(sequenceIds[sid]);
        if (sq != null)
        {
          sqi.addElement(sq);
        }
      }
      if (sqi.size() > 0)
      {
        seqs = new SequenceI[sqi.size()];
        for (int sid = 0, sSize = sqi.size(); sid < sSize; sid++)
        {
          seqs[sid] = (SequenceI) sqi.elementAt(sid);
        }
      }
      else
      {
        return null;
      }
    }
    ExtJmol jmv = null;
    // TODO: search for a jmv that involves viewer
    if (jmv == null)
    { // create a new viewer/jalview binding.
      jmv = new ExtJmol(viewer, alignPanel, new SequenceI[][] {seqs});
    }
    return jmv;

  }
  /**
   * bind a pdb file to a sequence in the current view
   * 
   * @param sequenceId
   *          - sequenceId within the dataset.
   * @param pdbEntryString
   *          - the short name for the PDB file
   * @param pdbFile
   *          - pdb file - either a URL or a valid PDB file.
   * @return true if binding was as success TODO: consider making an exception
   *         structure for indicating when PDB parsing or sequenceId location
   *         fails.
   */
03396   public boolean addPdbFile(String sequenceId, String pdbEntryString,
          String pdbFile)
  {
    SequenceI toaddpdb = viewport.getAlignment().findName(sequenceId);
    boolean needtoadd = false;
    if (toaddpdb != null)
    {
      Vector pdbe = toaddpdb.getPDBId();
      PDBEntry pdbentry = null;
      if (pdbe != null && pdbe.size() > 0)
      {
        for (int pe = 0, peSize = pdbe.size(); pe < peSize; pe++)
        {
          pdbentry = (PDBEntry) pdbe.elementAt(pe);
          if (!pdbentry.getId().equals(pdbEntryString)
                  && !pdbentry.getFile().equals(pdbFile))
          {
            pdbentry = null;
          }
          else
          {
            continue;
          }
        }
      }
      if (pdbentry == null)
      {
        pdbentry = new PDBEntry();
        pdbentry.setId(pdbEntryString);
        pdbentry.setFile(pdbFile);
        needtoadd = true; // add this new entry to sequence.
      }
      // resolve data source
      // TODO: this code should be a refactored to an io package
      String protocol = AppletFormatAdapter.resolveProtocol(pdbFile, "PDB");
      if (protocol == null)
      {
        return false;
      }
      if (needtoadd)
      {
        // make a note of the access mode and add
        if (pdbentry.getProperty() == null)
        {
          pdbentry.setProperty(new Hashtable());
        }
        pdbentry.getProperty().put("protocol", protocol);
        toaddpdb.addPDBId(pdbentry);
      }
    }
    return true;
  }

  private Object[] cleanSeqChainArrays(SequenceI[] seqs, String[] chains)
  {
    if (seqs != null)
    {
      Vector sequences = new Vector();
      for (int i = 0; i < seqs.length; i++)
      {
        if (seqs[i] != null)
        {
          sequences.addElement(new Object[]
          { seqs[i], (chains != null) ? chains[i] : null });
        }
      }
      seqs = new SequenceI[sequences.size()];
      chains = new String[sequences.size()];
      for (int i = 0, isize = sequences.size(); i < isize; i++)
      {
        Object[] oj = (Object[]) sequences.elementAt(i);

        seqs[i] = (SequenceI) oj[0];
        chains[i] = (String) oj[1];
      }
    }
    return new Object[]
    { seqs, chains };

  }

  public void newStructureView(JalviewLite applet, PDBEntry pdb,
          SequenceI[] seqs, String[] chains, String protocol)
  {
    // Scrub any null sequences from the array
    Object[] sqch = cleanSeqChainArrays(seqs, chains);
    seqs = (SequenceI[]) sqch[0];
    chains = (String[]) sqch[1];
    if (seqs == null || seqs.length == 0)
    {
      System.err
              .println("JalviewLite.AlignFrame:newStructureView: No sequence to bind structure to.");
    }
    if (protocol == null || protocol.trim().length() == 0
            || protocol.equals("null"))
    {
      protocol = (String) pdb.getProperty().get("protocol");
      if (protocol == null)
      {
        System.err.println("Couldn't work out protocol to open structure: "
                + pdb.getId());
        return;
      }
    }
    if (applet.useXtrnalSviewer)
    {
      // register the association(s) and quit, don't create any windows.
      if (StructureSelectionManager.getStructureSelectionManager(applet).setMapping(seqs, chains, pdb.getFile(), protocol)==null) {
        System.err.println("Failed to map "+pdb.getFile()+" ("+protocol+") to any sequences");
      }
      return;
    }
    if (applet.isAlignPdbStructures() && applet.jmolAvailable)
    {
      // can only do alignments with Jmol
      // find the last jmol window assigned to this alignment
      jalview.appletgui.AppletJmol ajm = null, tajm;
      Vector jmols = applet
              .getAppletWindow(jalview.appletgui.AppletJmol.class);
      for (int i = 0, iSize = jmols.size(); i < iSize; i++)
      {
        tajm = (jalview.appletgui.AppletJmol) jmols.elementAt(i);
        if (tajm.ap.alignFrame == this)
        {
          ajm = tajm;
          break;
        }
      }
      if (ajm != null)
      {
        System.err
                .println("Incremental adding and aligning structure to existing Jmol view not yet implemented.");
        // try and add the pdb structure
        // ajm.addS
        ajm = null;
      }
    }
    // otherwise, create a new window
    if (applet.jmolAvailable)
    {
      new jalview.appletgui.AppletJmol(pdb, seqs, chains, alignPanel,
              protocol);
      applet.lastFrameX += 40;
      applet.lastFrameY += 40;
    }
    else
    {
      new MCview.AppletPDBViewer(pdb, seqs, chains, alignPanel, protocol);
    }

  }

  public void alignedStructureView(JalviewLite applet, PDBEntry[] pdb,
          SequenceI[][] seqs, String[][] chains, String[] protocols)
  {
    // TODO Auto-generated method stub
    System.err.println("Aligned Structure View: Not yet implemented.");
  }

  /**
   * modify the current selection, providing the user has not made a selection already.
   * @param sel - sequences from this alignment 
   * @param csel - columns to be selected on the alignment
   */
03560   public void select(SequenceGroup sel, ColumnSelection csel)
  {
    alignPanel.seqPanel.selection(sel, csel, null);
  }

  public void scrollTo(int row, int column)
  {
    alignPanel.seqPanel.scrollTo(row, column);    
  }
  public void scrollToRow(int row)
  {
    alignPanel.seqPanel.scrollToRow(row);    
  }
  public void scrollToColumn(int column)
  {
    alignPanel.seqPanel.scrollToColumn(column);    
  }
  /**
   * @return the alignments unique ID.
   */
03580   public String getSequenceSetId() {
    return viewport.getSequenceSetId();
  }
}

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