right align ids
[jalview.git] / src / jalview / gui / AlignFrame.java
index cd26b17..18ebf0e 100755 (executable)
@@ -33,10 +33,11 @@ import jalview.datamodel.*;
 import jalview.io.*;
 import jalview.jbgui.*;
 import jalview.schemes.*;
-import jalview.util.ShiftList;
+import jalview.commands.*;
 import jalview.ws.*;
 import java.awt.dnd.*;
-import org.biojava.dasobert.eventmodel.*;
+import javax.swing.event.ChangeListener;
+import javax.swing.event.ChangeEvent;
 
 /**
  * DOCUMENT ME!
@@ -44,113 +45,370 @@ import org.biojava.dasobert.eventmodel.*;
  * @author $author$
  * @version $Revision$
  */
-public class AlignFrame
-    extends GAlignFrame implements DropTargetListener, FeatureListener
+public class AlignFrame extends GAlignFrame implements DropTargetListener
 {
   /** DOCUMENT ME!! */
-  public static final int NEW_WINDOW_WIDTH = 700;
+  public static final int DEFAULT_WIDTH = 700;
 
   /** DOCUMENT ME!! */
-  public static final int NEW_WINDOW_HEIGHT = 500;
-  AlignmentPanel alignPanel;
+  public static final int DEFAULT_HEIGHT = 500;
+  public AlignmentPanel alignPanel;
+
   AlignViewport viewport;
 
+  Vector alignPanels = new Vector();
+
+
   /** DOCUMENT ME!! */
-  public String currentFileFormat = null;
-  Stack historyList = new Stack();
-  Stack redoList = new Stack();
+  String currentFileFormat = null;
+
+  String fileName = null;
+
   private int treeCount = 0;
 
   /**
+   * Creates a new AlignFrame object.
+   *
+   * @param al DOCUMENT ME!
+   */
+  public AlignFrame(AlignmentI al, int width, int height)
+  {
+    this(al, null, width, height);
+  }
+
+
+  /**
    * new alignment window with hidden columns
    * @param al AlignmentI
    * @param hiddenColumns ColumnSelection or null
    */
-  public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns) {
-
+  public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns,
+                    int width, int height)
+  {
+    this.setSize(width, height);
     viewport = new AlignViewport(al, hiddenColumns);
 
+    alignPanel = new AlignmentPanel(this, viewport);
+
+    if(al.getDataset()==null)
+    {
+      al.setDataset(null);
+    }
+
+    addAlignmentPanel(alignPanel, true);
+    init();
+  }
+
+  /**
+   * Make a new AlignFrame from exisiting alignmentPanels
+   * @param ap AlignmentPanel
+   * @param av AlignViewport
+   */
+  public AlignFrame(AlignmentPanel ap)
+  {
+    viewport = ap.av;
+    alignPanel = ap;
+    addAlignmentPanel(ap, false);
+    init();
+  }
+
+  void init()
+  {
     this.setDropTarget(new java.awt.dnd.DropTarget(this, this));
 
-    if(viewport.vconsensus==null)
+    if (viewport.conservation == null)
     {
-      //Out of memory calculating consensus.
       BLOSUM62Colour.setEnabled(false);
-      PIDColour.setEnabled(false);
       conservationMenuItem.setEnabled(false);
       modifyConservation.setEnabled(false);
-      abovePIDThreshold.setEnabled(false);
-      modifyPID.setEnabled(false);
+    //  PIDColour.setEnabled(false);
+    //  abovePIDThreshold.setEnabled(false);
+    //  modifyPID.setEnabled(false);
     }
 
-    alignPanel = new AlignmentPanel(this, viewport);
-
     String sortby = jalview.bin.Cache.getDefault("SORT_ALIGNMENT", "No sort");
 
-    if(sortby.equals("Id"))
+    if (sortby.equals("Id"))
       sortIDMenuItem_actionPerformed(null);
-    else if(sortby.equals("Pairwise Identity"))
+    else if (sortby.equals("Pairwise Identity"))
       sortPairwiseMenuItem_actionPerformed(null);
 
-   // remove(tabbedPane);
-    getContentPane().add(alignPanel, BorderLayout.CENTER);
+    if (Desktop.desktop != null)
+   {
+     addServiceListeners();
+     setGUINucleotide(viewport.alignment.isNucleotide());
+   }
 
+   setMenusFromViewport(viewport);
 
+   if (viewport.wrapAlignment)
+   {
+     wrapMenuItem_actionPerformed(null);
+   }
 
-  //  tabbedPane.add(al.isNucleotide() ? "DNA":"Protein", alignPanel);
+   addKeyListener();
 
-    ///Dataset tab
-    /////////////////////////
-    if(al.getDataset()==null)
-    {
-      al.setDataset(null);
-    }
-   // AlignViewport ds = new AlignViewport(al.getDataset(), true);
-   // AlignmentPanel dap = new AlignmentPanel(this, ds);
-  //  tabbedPane.add("Dataset", dap);
-  //  viewports.add(ds);
-  //  alignPanels.add(dap);
-    /////////////////////////
+  }
 
+  public void setFileName(String file, String format)
+  {
+     fileName = file;
+     currentFileFormat = format;
+     reload.setEnabled(true);
+  }
 
-    viewport.addPropertyChangeListener(new PropertyChangeListener()
-    {
-     public void propertyChange(PropertyChangeEvent evt)
-     {
-       if (evt.getPropertyName().equals("alignment"))
-       {
-         alignmentChanged();
-       }
-     }
-   });
+  void addKeyListener()
+  {
+      final AlignFrame af = this;
+      addKeyListener(new KeyAdapter()
+      {
+        public void keyPressed(KeyEvent evt)
+        {
+          if (viewport.cursorMode
+              && evt.getKeyCode() >= KeyEvent.VK_0
+              && evt.getKeyCode() <= KeyEvent.VK_9)
+          {
+            alignPanel.seqPanel.numberPressed(evt.getKeyChar());
+          }
 
+          switch (evt.getKeyCode())
+          {
+            case KeyEvent.VK_G:
+              Desktop.instance.gatherViews(af);
+              break;
 
-    if (Desktop.desktop != null)
-    {
-      addServiceListeners();
-      setGUINucleotide(al.isNucleotide());
-    }
+            case KeyEvent.VK_X:
+              if (!evt.isControlDown())
+              {
+                Desktop.instance.explodeViews(af);
+              }
+              break;
 
 
-    if (jalview.bin.Cache.getDefault("WRAP_ALIGNMENT", false))
-    {
-      wrapMenuItem.setSelected(true);
-      wrapMenuItem_actionPerformed(null);
-    }
+            case 27: // escape key
+              deselectAllSequenceMenuItem_actionPerformed(null);
 
+              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 (viewport.cursorMode)
+              {
+                alignPanel.seqPanel.moveCursor( -1, 0);
+              }
+              break;
+
+            case KeyEvent.VK_RIGHT:
+              if (viewport.cursorMode)
+              {
+                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)
+              {
+                cut_actionPerformed(null);
+              }
+              else
+                alignPanel.seqPanel.deleteGapAtCursor(evt.isControlDown()
+                                           || evt.isShiftDown()
+                                           || evt.isAltDown());
+
+              break;
+
+            case KeyEvent.VK_S:
+              if (viewport.cursorMode)
+              {
+                alignPanel.seqPanel.setCursorRow();
+              }
+              break;
+            case KeyEvent.VK_C:
+              if (viewport.cursorMode && !evt.isControlDown())
+              {
+                alignPanel.seqPanel.setCursorColumn();
+              }
+              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;
+              }
+              alignPanel.seqPanel.seqCanvas.repaint();
+              break;
+
+            case KeyEvent.VK_F1:
+              try
+              {
+                ClassLoader cl = jalview.gui.Desktop.class.getClassLoader();
+                java.net.URL url = javax.help.HelpSet.findHelpSet(cl, "help/help");
+                javax.help.HelpSet hs = new javax.help.HelpSet(cl, url);
+
+                javax.help.HelpBroker hb = hs.createHelpBroker();
+                hb.setCurrentID("home");
+                hb.setDisplayed(true);
+              }
+              catch (Exception ex)
+              {
+                ex.printStackTrace();
+              }
+              break
+                  ;
+            case KeyEvent.VK_H:
+            {
+              boolean toggleSeqs = !evt.isControlDown();
+              boolean toggleCols = !evt.isShiftDown();
+
+              boolean hide = false;
+
+              SequenceGroup sg = viewport.getSelectionGroup();
+              if (toggleSeqs)
+              {
+                if (sg != null && sg.getSize(false) != viewport.alignment.getHeight())
+                {
+                  hideSelSequences_actionPerformed(null);
+                  hide = true;
+                }
+                else if (! (toggleCols && viewport.colSel.getSelected().size() > 0))
+                  showAllSeqs_actionPerformed(null);
+              }
+
+              if (toggleCols)
+              {
+                if (viewport.colSel.getSelected().size() > 0)
+                {
+                  hideSelColumns_actionPerformed(null);
+                  if (!toggleSeqs)
+                    viewport.selectionGroup = sg;
+                }
+                else if (!hide)
+                  showAllColumns_actionPerformed(null);
+              }
+              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;
+          }
+        }
+      });
   }
 
 
-  /**
-   * Creates a new AlignFrame object.
-   *
-   * @param al DOCUMENT ME!
-   */
-  public AlignFrame(AlignmentI al)
+  public void addAlignmentPanel(final AlignmentPanel ap,
+                                boolean newPanel)
   {
-    this(al, null);
+    ap.alignFrame = this;
+
+    alignPanels.addElement(ap);
+
+    PaintRefresher.Register(ap, ap.av.getSequenceSetId());
+
+    int aSize = alignPanels.size();
+
+    tabbedPane.setVisible(aSize>1 || ap.av.viewName!=null);
+
+    if (aSize == 1 && ap.av.viewName==null)
+    {
+      this.getContentPane().add(ap, BorderLayout.CENTER);
+    }
+    else
+    {
+      if (aSize == 2)
+      {
+        AlignmentPanel first = (AlignmentPanel) alignPanels.firstElement();
+        tabbedPane.addTab(first.av.viewName==null?"Original":first.av.viewName,first);
+
+        this.getContentPane().add(tabbedPane, BorderLayout.CENTER);
+      }
+
+      tabbedPane.addTab(ap.av.viewName==null?"Original":ap.av.viewName, ap);
+
+      ap.setVisible(false);
+    }
+
+    if(newPanel)
+    {
+      if (ap.av.padGaps)
+        ap.av.alignment.padGaps();
+      ap.av.updateConservation(ap);
+      ap.av.updateConsensus(ap);
+    }
   }
 
+
   public AlignViewport getViewport()
   {
     return viewport;
@@ -175,6 +433,7 @@ public class AlignFrame
         }
       }
     });
+
     addInternalFrameListener(new javax.swing.event.
                              InternalFrameAdapter()
     {
@@ -183,7 +442,7 @@ public class AlignFrame
       {
         // System.out.println("deregistering discoverer listener");
         Desktop.discoverer.removePropertyChangeListener(thisListener);
-        closeMenuItem_actionPerformed(null);
+        closeMenuItem_actionPerformed(true);
       }
       ;
     });
@@ -192,10 +451,8 @@ public class AlignFrame
   public void setGUINucleotide(boolean nucleotide)
   {
     showTranslation.setVisible( nucleotide );
-    //sequenceFeatures.setVisible(!nucleotide );
-    //featureSettings.setVisible( !nucleotide );
-    conservationMenuItem.setVisible( !nucleotide );
-    modifyConservation.setVisible(   !nucleotide );
+    conservationMenuItem.setEnabled( !nucleotide );
+    modifyConservation.setEnabled(   !nucleotide );
 
     //Remember AlignFrame always starts as protein
     if(!nucleotide)
@@ -204,18 +461,36 @@ public class AlignFrame
     }
   }
 
-  public void comeBackLater(FeatureEvent evt)
-  {}
-
-  public void newFeatures(FeatureEvent evt)
+  /**
+   * Need to call this method when tabs are selected for multiple views,
+   * or when loading from Jalview2XML.java
+   * @param av AlignViewport
+   */
+  void setMenusFromViewport(AlignViewport av)
   {
-    if (evt.getFeatures().length > 0)
-    {
-      alignPanel.seqPanel.seqCanvas.fr.featuresAdded();
-      alignPanel.repaint();
-    }
+    padGapsMenuitem.setSelected(av.padGaps);
+    colourTextMenuItem.setSelected(av.showColourText);
+    abovePIDThreshold.setSelected(av.getAbovePIDThreshold());
+    conservationMenuItem.setSelected(av.getConservationSelected());
+    seqLimits.setSelected(av.getShowJVSuffix());
+    idRightAlign.setSelected(av.idsAlignRight);
+    renderGapsMenuItem.setSelected(av.renderGaps);
+    wrapMenuItem.setSelected(av.wrapAlignment);
+    annotationPanelMenuItem.setState(av.showAnnotation);
+    viewBoxesMenuItem.setSelected(av.showBoxes);
+    viewTextMenuItem.setSelected(av.showText);
+
+    setColourSelected(ColourSchemeProperty.
+                      getColourName(av.getGlobalColourScheme()));
+
+    showSeqFeatures.setSelected(av.showSequenceFeatures);
+    hiddenMarkers.setState(av.showHiddenMarkers);
+    applyToAllGroups.setState(av.colourAppliesToAllGroups);
+
+    updateEditMenuBar();
   }
 
+
   Hashtable progressBars;
   public void setProgressBar(String message, long id)
   {
@@ -255,6 +530,8 @@ public class AlignFrame
   }
 
 
+
+
   /*
    Added so Castor Mapping file can obtain Jalview Version
   */
@@ -279,6 +556,44 @@ public class AlignFrame
     Desktop.instance.inputLocalFileMenuItem_actionPerformed(viewport);
   }
 
+  public void reload_actionPerformed(ActionEvent e)
+  {
+    if(fileName!=null)
+    {
+      if(currentFileFormat.equals("Jalview"))
+      {
+        this.closeMenuItem_actionPerformed(true);
+      }
+      else
+      {
+        viewport.alignment.deleteAllGroups();
+        viewport.sequenceColours=null;
+        while (viewport.alignment.getHeight() > 0)
+        {
+          viewport.alignment.deleteSequence(0);
+        }
+
+        viewport.historyList.clear();
+        viewport.redoList.clear();
+        Alignment dset = viewport.alignment.getDataset();
+        while (dset.getHeight() > 0)
+        {
+          dset.deleteSequence(0);
+        }
+
+        firePropertyChange("Alignment", null, null);
+
+        updateEditMenuBar();
+      }
+
+      FileLoader loader = new FileLoader();
+      String protocol = fileName.startsWith("http:")? "URL":"File";
+      loader.LoadFile(viewport, fileName, protocol, currentFileFormat);
+
+    }
+  }
+
+
   public void addFromText_actionPerformed(ActionEvent e)
   {
     Desktop.instance.inputTextboxMenuItem_actionPerformed(viewport);
@@ -289,12 +604,21 @@ public class AlignFrame
     Desktop.instance.inputURLMenuItem_actionPerformed(viewport);
   }
 
+
+  public void save_actionPerformed(ActionEvent e)
+  {
+    if(fileName==null || currentFileFormat==null)
+      saveAs_actionPerformed(null);
+    else
+      saveAlignment(fileName, currentFileFormat);
+  }
+
   /**
    * DOCUMENT ME!
    *
    * @param e DOCUMENT ME!
    */
-  public void saveAlignmentMenu_actionPerformed(ActionEvent e)
+  public void saveAs_actionPerformed(ActionEvent e)
   {
     JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
         getProperty( "LAST_DIRECTORY"),
@@ -315,7 +639,6 @@ public class AlignFrame
     if (value == JalviewFileChooser.APPROVE_OPTION)
     {
         currentFileFormat = chooser.getSelectedFormat();
-
         if (currentFileFormat == null)
         {
           JOptionPane.showInternalMessageDialog(Desktop.desktop,
@@ -326,13 +649,14 @@ public class AlignFrame
           return;
         }
 
+        fileName = chooser.getSelectedFile().getPath();
+
       jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT",
                                     currentFileFormat);
 
-      String choice = chooser.getSelectedFile().getPath();
-      jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY", fileName);
 
-      saveAlignment(choice, currentFileFormat);
+      saveAlignment(fileName, currentFileFormat);
     }
   }
 
@@ -350,6 +674,11 @@ public class AlignFrame
 
       new Jalview2XML().SaveAlignment(this, file, shortName);
 
+      statusBar.setText("Successfully saved to file: "
+                          +fileName+" in "
+                          +format +" format.");
+
+
       // USE Jalview2XML to save this file
       return true;
     }
@@ -388,6 +717,9 @@ public class AlignFrame
         out.print(output);
         out.close();
         this.setTitle(file);
+        statusBar.setText("Successfully saved to file: "
+                          +fileName+" in "
+                          +format +" format.");
         return true;
       }
       catch (Exception ex)
@@ -422,6 +754,7 @@ public class AlignFrame
     }
 
     CutAndPasteTransfer cap = new CutAndPasteTransfer();
+    cap.setForInput(null);
     Desktop.addInternalFrame(cap,
                              "Alignment output - " + e.getActionCommand(), 600,
                              500);
@@ -518,34 +851,70 @@ public class AlignFrame
 
   }
 
+
   /**
    * DOCUMENT ME!
    *
    * @param e DOCUMENT ME!
    */
-  public void closeMenuItem_actionPerformed(ActionEvent e)
+  public void closeMenuItem_actionPerformed(boolean closeAllTabs)
   {
+    if(alignPanels!=null && alignPanels.size()<2)
+      closeAllTabs = true;
+
     try
     {
-      PaintRefresher.components.remove(viewport.alignment);
-      this.setClosed(true);
+      if(alignPanels!=null)
+      {
+        if (closeAllTabs)
+          for (int i = 0; i < alignPanels.size(); i++)
+          {
+            AlignmentPanel ap = (AlignmentPanel) alignPanels.elementAt(i);
+            PaintRefresher.RemoveComponent(ap.seqPanel.seqCanvas);
+            PaintRefresher.RemoveComponent(ap.idPanel.idCanvas);
+            PaintRefresher.RemoveComponent(ap);
+          }
+        else
+        {
+          int index = tabbedPane.getSelectedIndex();
+
+          tabbedPane.removeTabAt(index);
+          alignPanels.removeElement(alignPanel);
+          PaintRefresher.RemoveComponent(alignPanel.seqPanel.seqCanvas);
+          PaintRefresher.RemoveComponent(alignPanel.idPanel.idCanvas);
+          PaintRefresher.RemoveComponent(alignPanel);
+          alignPanel = null;
+          viewport = null;
+          tabbedPane.validate();
+
+          if(index==tabbedPane.getTabCount())
+            index --;
+
+          this.tabSelectionChanged(index);
+        }
+      }
+
+      if (closeAllTabs)
+        this.setClosed(true);
     }
     catch (Exception ex)
     {
+      ex.printStackTrace();
     }
   }
 
+
   /**
    * DOCUMENT ME!
    */
   void updateEditMenuBar()
   {
-    if (historyList.size() > 0)
+
+    if (viewport.historyList.size() > 0)
     {
       undoMenuItem.setEnabled(true);
-
-      HistoryItem hi = (HistoryItem) historyList.peek();
-      undoMenuItem.setText("Undo " + hi.getDescription());
+      CommandI command = (CommandI) viewport.historyList.peek();
+      undoMenuItem.setText("Undo " + command.getDescription());
     }
     else
     {
@@ -553,12 +922,12 @@ public class AlignFrame
       undoMenuItem.setText("Undo");
     }
 
-    if (redoList.size() > 0)
+    if (viewport.redoList.size() > 0)
     {
       redoMenuItem.setEnabled(true);
 
-      HistoryItem hi = (HistoryItem) redoList.peek();
-      redoMenuItem.setText("Redo " + hi.getDescription());
+      CommandI command = (CommandI) viewport.redoList.peek();
+      redoMenuItem.setText("Redo " + command.getDescription());
     }
     else
     {
@@ -567,18 +936,20 @@ public class AlignFrame
     }
   }
 
-  /**
-   * DOCUMENT ME!
-   *
-   * @param hi DOCUMENT ME!
-   */
-  public void addHistoryItem(HistoryItem hi)
+
+  public void addHistoryItem(CommandI command)
   {
-    historyList.push(hi);
-    redoList.clear();
-    updateEditMenuBar();
+    if(command.getSize()>0)
+    {
+      viewport.historyList.push(command);
+      viewport.redoList.clear();
+      updateEditMenuBar();
+      viewport.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;
+    }
   }
 
+
+
   /**
    * DOCUMENT ME!
    *
@@ -586,13 +957,14 @@ public class AlignFrame
    */
   protected void undoMenuItem_actionPerformed(ActionEvent e)
   {
-    HistoryItem nh,hi = (HistoryItem) historyList.pop();
-    redoList.push(nh=new HistoryItem(hi.getDescription(), viewport.alignment,
-                                  HistoryItem.HIDE));
-    if (hi.alColumnChanges!=null)
-      nh.alColumnChanges = hi.alColumnChanges.getInverse();
-    restoreHistoryItem(hi);
-    viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
+    CommandI command = (CommandI)viewport.historyList.pop();
+    viewport.redoList.push(command);
+    command.undoCommand();
+
+
+    viewport.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;
+    updateEditMenuBar();
+    viewport.firePropertyChange("alignment", null,null);
   }
 
   /**
@@ -602,28 +974,16 @@ public class AlignFrame
    */
   protected void redoMenuItem_actionPerformed(ActionEvent e)
   {
-    HistoryItem nh,hi = (HistoryItem) redoList.pop();
-    historyList.push(nh=new HistoryItem(hi.getDescription(), viewport.alignment,
-        HistoryItem.HIDE));
-    if (hi.alColumnChanges!=null)
-      nh.alColumnChanges=hi.alColumnChanges.getInverse();
-    restoreHistoryItem(hi);
-    updateEditMenuBar();
-    viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
-  }
-
-  // used by undo and redo
-  void restoreHistoryItem(HistoryItem hi)
-  {
-
-    hi.restore(viewport.getColumnSelection());
+    CommandI command = (CommandI) viewport.redoList.pop();
+    viewport.historyList.push(command);
+    command.doCommand();
+    viewport.hasHiddenColumns = viewport.colSel.getHiddenColumns()!=null;
 
     updateEditMenuBar();
-
-    viewport.firePropertyChange("alignment", null,
-                                viewport.getAlignment().getSequences());
+    viewport.firePropertyChange("alignment", null, null);
   }
 
+
   /**
    * DOCUMENT ME!
    *
@@ -695,6 +1055,7 @@ public class AlignFrame
    */
   protected void copy_actionPerformed(ActionEvent e)
   {
+    System.gc();
     if (viewport.getSelectionGroup() == null)
     {
       return;
@@ -713,9 +1074,36 @@ public class AlignFrame
         seqs,
         omitHidden);
 
+    StringSelection ss = new StringSelection(output);
+
+    try
+    {
+      //Its really worth setting the clipboard contents
+      //to empty before setting the large StringSelection!!
+      Toolkit.getDefaultToolkit().getSystemClipboard()
+          .setContents(new StringSelection(""), null);
+
+      Toolkit.getDefaultToolkit().getSystemClipboard()
+          .setContents(ss, Desktop.instance);
+    }
+    catch (OutOfMemoryError er)
+    {
+      er.printStackTrace();
+      javax.swing.SwingUtilities.invokeLater(new Runnable()
+          {
+            public void run()
+            {
+              javax.swing.JOptionPane.showInternalMessageDialog(Desktop.desktop,
+                  "Out of memory copying region!!"
+                  +
+                  "\nSee help files for increasing Java Virtual Machine memory."
+                  , "Out of memory",
+                  javax.swing.JOptionPane.WARNING_MESSAGE);
+            }
+          });
 
-    Toolkit.getDefaultToolkit().getSystemClipboard()
-        .setContents(new StringSelection(output), Desktop.instance);
+      return;
+    }
 
     Vector hiddenColumns = null;
     if(viewport.hasHiddenColumns)
@@ -732,9 +1120,12 @@ public class AlignFrame
       }
     }
 
+
+
     Desktop.jalviewClipboard = new Object[]{ seqs,
         viewport.alignment.getDataset(),
         hiddenColumns};
+    statusBar.setText("Copied "+seqs.length+" sequences to clipboard.");
   }
 
   /**
@@ -754,8 +1145,6 @@ public class AlignFrame
    */
   protected void pasteThis_actionPerformed(ActionEvent e)
   {
-    addHistoryItem(new HistoryItem("Paste Sequences", viewport.alignment,
-                                   HistoryItem.PASTE));
     paste(false);
   }
 
@@ -776,11 +1165,35 @@ public class AlignFrame
         return;
       }
 
-      String str = (String) contents.getTransferData(DataFlavor.stringFlavor);
-      if(str.length()<1)
+      String str, format;
+      try
+      {
+        str = (String) contents.getTransferData(DataFlavor.stringFlavor);
+        if (str.length() < 1)
+          return;
+
+        format = new IdentifyFile().Identify(str, "Paste");
+
+      }
+      catch (OutOfMemoryError er)
+      {
+        er.printStackTrace();
+        javax.swing.SwingUtilities.invokeLater(new Runnable()
+        {
+          public void run()
+          {
+            javax.swing.JOptionPane.showInternalMessageDialog(Desktop.desktop,
+                "Out of memory pasting sequences!!"
+                +
+                "\nSee help files for increasing Java Virtual Machine memory."
+                , "Out of memory",
+                javax.swing.JOptionPane.WARNING_MESSAGE);
+          }
+        });
+
         return;
+      }
 
-      String format = new IdentifyFile().Identify(str, "Paste");
       SequenceI[] sequences;
 
 
@@ -799,28 +1212,40 @@ public class AlignFrame
 
       if (newAlignment)
       {
-        alignment = new Alignment(sequences);
-
-        if(Desktop.jalviewClipboard!=null)
-           alignment.setDataset( (Alignment)Desktop.jalviewClipboard[1] );
-        else
-           alignment.setDataset( null );
+          alignment = new Alignment(sequences);
 
+          if (Desktop.jalviewClipboard != null)
+            alignment.setDataset( (Alignment) Desktop.jalviewClipboard[1]);
+          else
+            alignment.setDataset(null);
       }
       else
       {
         alignment = viewport.getAlignment();
 
         //!newAlignment
+        SequenceI [] newseqs = new SequenceI[sequences.length];
         for (int i = 0; i < sequences.length; i++)
         {
-          Sequence newseq = new Sequence(sequences[i].getName(),
+          newseqs[i] = new Sequence(sequences[i].getName(),
               sequences[i].getSequence(), sequences[i].getStart(),
               sequences[i].getEnd());
 
-          alignment.addSequence(newseq);
+          alignment.addSequence(newseqs[i]);
         }
 
+        /*
+         //ADD HISTORY ITEM
+         */
+        addHistoryItem(new EditCommand(
+            "Add sequences",
+            EditCommand.PASTE,
+            newseqs,
+            0,
+            alignment.getWidth(),
+            alignment)
+            );
+
 
         viewport.setEndSeq(alignment.getHeight());
         alignment.getWidth();
@@ -829,8 +1254,6 @@ public class AlignFrame
 
 
 
-
-
       // Add any annotations attached to sequences
       for (int i = 0; i < sequences.length; i++)
      {
@@ -862,7 +1285,7 @@ public class AlignFrame
 
      if(newAlignment)
      {
-       AlignFrame af = new AlignFrame(alignment);
+       AlignFrame af = new AlignFrame(alignment, DEFAULT_WIDTH, DEFAULT_HEIGHT);
        String newtitle = new String("Copied sequences");
 
        if(Desktop.jalviewClipboard!=null && Desktop.jalviewClipboard[2]!=null)
@@ -890,8 +1313,8 @@ public class AlignFrame
          newtitle = newtitle.concat("- from " + title);
        }
 
-       Desktop.addInternalFrame(af, newtitle, NEW_WINDOW_WIDTH,
-                                NEW_WINDOW_HEIGHT);
+       Desktop.addInternalFrame(af, newtitle, DEFAULT_WIDTH,
+                                DEFAULT_HEIGHT);
 
      }
 
@@ -923,72 +1346,47 @@ public class AlignFrame
    *
    * @param e DOCUMENT ME!
    */
-  protected void delete_actionPerformed(ActionEvent e)
+  protected void delete_actionPerformed(ActionEvent evt)
   {
 
-    if (viewport.getSelectionGroup() == null)
+    SequenceGroup sg = viewport.getSelectionGroup();
+    if (sg == null)
     {
       return;
     }
 
-
-    SequenceGroup sg = viewport.getSelectionGroup();
-
-
-
-    //Jalview no longer allows deletion of residues.
-    //Check here whether any residues are in selection area
-   /* if( sg.getEndRes()-sg.getStartRes() < viewport.alignment.getWidth()-1)
+    Vector seqs = new Vector();
+    SequenceI seq;
+    for (int i = 0; i < sg.getSize(false); i++)
     {
-      for (int i = 0; i < sg.sequences.size(); i++)
-      {
-        SequenceI seq = sg.getSequenceAt(i);
-        int j = sg.getStartRes();
-        do
-        {
-          if (!jalview.util.Comparison.isGap(seq.getCharAt(j)))
-          {
-            JOptionPane.showInternalMessageDialog(
-                Desktop.desktop, "Cannot delete residues from alignment!\n"
-                + "Try hiding columns instead.",
-                "Deletion of residues not permitted",
-                JOptionPane.WARNING_MESSAGE);
-
-            return;
-          }
-          j++;
-        }while(j<=sg.getEndRes());
-      }
-    }*/
+      seq = sg.getSequenceAt(i);
+      seqs.addElement(seq);
+    }
 
 
-    addHistoryItem(new HistoryItem("Delete Sequences", viewport.alignment,
-                                   HistoryItem.HIDE));
+   // If the cut affects all sequences, remove highlighted columns
+   if (sg.getSize(false) == viewport.alignment.getHeight())
+   {
+     viewport.getColumnSelection().removeElements(sg.getStartRes(),
+         sg.getEndRes() + 1);
+   }
 
 
-    for (int i = 0; i < sg.getSize(false); i++)
-    {
-      SequenceI seq = sg.getSequenceAt(i);
-      int index = viewport.getAlignment().findIndex(seq);
+    SequenceI [] cut = new SequenceI[seqs.size()];
+    for(int i=0; i<seqs.size(); i++)
+      cut[i] = (SequenceI)seqs.elementAt(i);
 
-      seq.deleteChars(sg.getStartRes(), sg.getEndRes() + 1);
 
-      // If the cut affects all sequences, remove highlighted columns
-      if (sg.getSize(false) == viewport.alignment.getHeight())
-      {
-        viewport.getColumnSelection().removeElements(sg.getStartRes(),
-            sg.getEndRes() + 1);
-      }
+    /*
+    //ADD HISTORY ITEM
+    */
+    addHistoryItem(new EditCommand("Cut Sequences",
+                                      EditCommand.CUT,
+                                      cut,
+                                      sg.getStartRes(),
+                                      sg.getEndRes()-sg.getStartRes()+1,
+                                      viewport.alignment));
 
-      if (seq.getSequence().length() < 1)
-      {
-        viewport.getAlignment().deleteSequence(seq);
-      }
-      else
-      {
-        viewport.getAlignment().getSequences().setElementAt(seq, index);
-      }
-    }
 
     viewport.setSelectionGroup(null);
     viewport.alignment.deleteGroup(sg);
@@ -996,8 +1394,6 @@ public class AlignFrame
     viewport.firePropertyChange("alignment", null,
                                   viewport.getAlignment().getSequences());
 
-
-
     if (viewport.getAlignment().getHeight() < 1)
     {
       try
@@ -1018,7 +1414,9 @@ public class AlignFrame
   protected void deleteGroups_actionPerformed(ActionEvent e)
   {
     viewport.alignment.deleteAllGroups();
+    viewport.sequenceColours.clear();
     viewport.setSelectionGroup(null);
+    PaintRefresher.Refresh(this, viewport.getSequenceSetId());
     alignPanel.repaint();
   }
 
@@ -1039,7 +1437,8 @@ public class AlignFrame
 
     sg.setEndRes(viewport.alignment.getWidth() - 1);
     viewport.setSelectionGroup(sg);
-    PaintRefresher.Refresh(null, viewport.alignment);
+    alignPanel.repaint();
+    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
   }
 
   /**
@@ -1060,7 +1459,7 @@ public class AlignFrame
     alignPanel.seqPanel.seqCanvas.highlightSearchResults(null);
     alignPanel.idPanel.idCanvas.searchResults = null;
     alignPanel.repaint();
-    PaintRefresher.Refresh(null, viewport.alignment);
+    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
   }
 
   /**
@@ -1085,7 +1484,7 @@ public class AlignFrame
       sg.addOrRemove(viewport.getAlignment().getSequenceAt(i), false);
     }
 
-    PaintRefresher.Refresh(null, viewport.alignment);
+    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
   }
 
   public void invertColSel_actionPerformed(ActionEvent e)
@@ -1102,37 +1501,7 @@ public class AlignFrame
    */
   public void remove2LeftMenuItem_actionPerformed(ActionEvent e)
   {
-    ColumnSelection colSel = viewport.getColumnSelection();
-
-    if (colSel.size() > 0)
-    {
-      HistoryItem edit;
-      addHistoryItem(edit=new HistoryItem("Remove Left", viewport.alignment,
-                                     HistoryItem.HIDE));
-
-      int min = colSel.getMin();
-      viewport.getAlignment().trimLeft(min);
-      colSel.compensateForEdit(0, min);
-      edit.addShift(0,min);
-      if (viewport.getSelectionGroup() != null)
-      {
-        viewport.getSelectionGroup().adjustForRemoveLeft(min);
-      }
-
-      Vector groups = viewport.alignment.getGroups();
-
-      for (int i = 0; i < groups.size(); i++)
-      {
-        SequenceGroup sg = (SequenceGroup) groups.get(i);
-
-        if (!sg.adjustForRemoveLeft(min))
-        {
-          viewport.alignment.deleteGroup(sg);
-        }
-      }
-
-      viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
-    }
+    trimAlignment(true);
   }
 
   /**
@@ -1142,21 +1511,55 @@ public class AlignFrame
    */
   public void remove2RightMenuItem_actionPerformed(ActionEvent e)
   {
+      trimAlignment(false);
+  }
+
+  void trimAlignment(boolean trimLeft)
+  {
     ColumnSelection colSel = viewport.getColumnSelection();
+    int column;
 
     if (colSel.size() > 0)
     {
-      addHistoryItem(new HistoryItem("Remove Right", viewport.alignment,
-                                     HistoryItem.HIDE));
+      if(trimLeft)
+        column = colSel.getMin();
+      else
+        column = colSel.getMax();
+
+      SequenceI [] seqs;
+      if(viewport.getSelectionGroup()!=null)
+        seqs = viewport.getSelectionGroup().getSequencesAsArray(true);
+      else
+        seqs = viewport.alignment.getSequencesArray();
 
-      int max = colSel.getMax();
-      viewport.getAlignment().trimRight(max);
-      // TODO: delete hidden column entries in colSel to right of max
-      // TODO: record hidden columns in history for undo.
-      if (viewport.getSelectionGroup() != null)
+
+      TrimRegionCommand trimRegion;
+      if(trimLeft)
       {
-        viewport.getSelectionGroup().adjustForRemoveRight(max);
+        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();
 
@@ -1164,13 +1567,15 @@ public class AlignFrame
       {
         SequenceGroup sg = (SequenceGroup) groups.get(i);
 
-        if (!sg.adjustForRemoveRight(max))
+        if ( (trimLeft && !sg.adjustForRemoveLeft(column))
+            || (!trimLeft && !sg.adjustForRemoveRight(column)))
         {
           viewport.alignment.deleteGroup(sg);
         }
       }
 
-      viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
+      viewport.firePropertyChange("alignment", null,
+                                  viewport.getAlignment().getSequences());
     }
   }
 
@@ -1181,21 +1586,41 @@ public class AlignFrame
    */
   public void removeGappedColumnMenuItem_actionPerformed(ActionEvent e)
   {
-    HistoryItem edit;
-    addHistoryItem(edit=new HistoryItem("Remove Gapped Columns",
-                                   viewport.alignment, HistoryItem.HIDE));
+    int start = 0, end = viewport.alignment.getWidth()-1;
+
+    SequenceI[] seqs;
+    if (viewport.getSelectionGroup() != null)
+    {
+      seqs = viewport.getSelectionGroup().getSequencesAsArray(true);
+      start = viewport.getSelectionGroup().getStartRes();
+      end = viewport.getSelectionGroup().getEndRes();
+    }
+    else
+      seqs = viewport.alignment.getSequencesArray();
+
+
+    RemoveGapColCommand removeGapCols =
+        new RemoveGapColCommand("Remove Gapped Columns",
+                                seqs,
+                                start, end,
+                                viewport.getGapCharacter());
+
+    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);
+   // 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());
+
   }
 
   /**
@@ -1205,139 +1630,32 @@ public class AlignFrame
    */
   public void removeAllGapsMenuItem_actionPerformed(ActionEvent e)
   {
-    // TODO: hidden regions should not be touched by removeAllGaps - a minimal number of gaps will remain in alignment segments containing uneven length subsequences
-    // TODO: columnSelection.compensateforedits should be called (and passed to history item)
-    addHistoryItem(new HistoryItem("Remove Gaps", viewport.alignment,
-                                   HistoryItem.HIDE));
+    int start = 0, end = viewport.alignment.getWidth()-1;
+
+    SequenceI[] seqs;
+    if (viewport.getSelectionGroup() != null)
+    {
+      seqs = viewport.getSelectionGroup().getSequencesAsArray(true);
+      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);
 
-
-    SequenceI current;
-    int jSize;
-
-    Vector seqs = null;
-
-    int start = 0;
-    int end = viewport.alignment.getWidth();
-
-    if (viewport.getSelectionGroup() != null
-        && viewport.getSelectionGroup().getSequences(true) != null
-        && viewport.getSelectionGroup().getSize(true) > 0)
-    {
-      seqs = viewport.getSelectionGroup().getSequences(true);
-      start = viewport.getSelectionGroup().getStartRes();
-      end = viewport.getSelectionGroup().getEndRes()+1;
-    }
-    else
-    {
-      seqs = viewport.alignment.getSequences();
-    }
-    /* Commented out regions below are partial implementation of todo above.
-       * divide start,end into visible chunks, and for each:
-      int diff=end-start+1;
-      int diffmax=0;
-      int dr[] = new int[seqs.size()];
-      */
-     for (int i = 0; i < seqs.size(); i++)
-     {
-       current = (SequenceI) seqs.elementAt(i);
-       //dr[i]=
-       current.removeGaps(start, end);
-       /*if (d<diff) // can only shift
-         diff=d;
-       if (diffmax<d)
-         diffmax=d;
-         */
-     }
-     /* // after the end of each chunk -
-      * if (diff>0) {
-      // record shift for history.
-       editgaps.addShift(start, diff);
-       if (viewport.hasHiddenColumns && diffmax>diff) {
-       // pad sequence
-        StringBuffer gaps=new StringBuffer(diffmax);
-        for (int i=0,j=diffmax-diff; i<j; i++)
-        gaps.append(viewport.getGapCharacter());
-        for (int i=0, j=seqs.size(); i<j; i++) {
-        current = (SequenceI) seqs.elementAt(i);
-        if (dr[i]-diff>0) {
-        String sq = current.getSequence();
-        current.setSequence(sq.substring(0, hcend-dr[i])+gaps.substring(0, dr[i]-diff)+sq.substring());
-        }
-        }
-       }
-       }*/
+    addHistoryItem(new RemoveGapsCommand("Remove Gaps",
+                                           seqs,
+                                           start, end,
+                     viewport.getGapCharacter()));
 
     viewport.setStartRes(seq.findIndex(startRes)-1);
 
     viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
-  }
-
- public void alignmentChanged()
- {
-   if(viewport.padGaps)
-     viewport.getAlignment().padGaps();
-
-   if(viewport.vconsensus!=null && viewport.autoCalculateConsensus)
-   {
-     viewport.updateConsensus();
-     viewport.updateConservation();
-   }
-
-   resetAllColourSchemes();
-   if(alignPanel.overviewPanel!=null)
-     alignPanel.overviewPanel.updateOverviewImage();
-
-   viewport.alignment.adjustSequenceAnnotations();
-
-   if(alignPanel.overviewPanel!=null)
-     alignPanel.overviewPanel.updateOverviewImage();
-
-   alignPanel.repaint();
- }
-
-  void resetAllColourSchemes()
-  {
-    ColourSchemeI cs = viewport.globalColourScheme;
-    if(cs!=null)
-    {
-      if (cs instanceof ClustalxColourScheme)
-      {
-        ( (ClustalxColourScheme) viewport.getGlobalColourScheme()).
-            resetClustalX(viewport.alignment.getSequences(),
-                          viewport.alignment.getWidth());
-      }
 
-      cs.setConsensus(viewport.vconsensus);
-      if (cs.conservationApplied())
-      {
-        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);
-      }
-    }
-
-    int s, sSize = viewport.alignment.getGroups().size();
-    for(s=0; s<sSize; s++)
-    {
-      SequenceGroup sg = (SequenceGroup)viewport.alignment.getGroups().elementAt(s);
-      if(sg.cs!=null && sg.cs instanceof ClustalxColourScheme)
-      {
-        ((ClustalxColourScheme)sg.cs).resetClustalX(
-            sg.getSequences(true), sg.getWidth());
-      }
-      sg.recalcConservation();
-    }
   }
 
   /**
@@ -1347,13 +1665,11 @@ public class AlignFrame
    */
   public void padGapsMenuitem_actionPerformed(ActionEvent e)
   {
-    addHistoryItem(new HistoryItem("Pad Gaps", viewport.alignment,
-                                   HistoryItem.HIDE));
-
     viewport.padGaps = padGapsMenuitem.isSelected();
 
-   // if (viewport.padGaps)
-    alignmentChanged();
+    viewport.firePropertyChange("alignment",
+                                null,
+                                viewport.getAlignment().getSequences());
   }
 
   /**
@@ -1370,6 +1686,29 @@ public class AlignFrame
     Desktop.addInternalFrame(frame, "Find", 340, 110);
   }
 
+  public void newView_actionPerformed(ActionEvent e)
+  {
+    AlignmentPanel newap =
+        new Jalview2XML().copyAlignPanel(alignPanel, true);
+
+    if (viewport.viewName == null)
+      viewport.viewName = "View 1";
+
+    newap.av.historyList = viewport.historyList;
+    newap.av.redoList = viewport.redoList;
+    newap.av.viewName = "View " +
+        (Desktop.getViewCount(viewport.getSequenceSetId()) + 1);
+
+    addAlignmentPanel(newap, false);
+
+    if(alignPanels.size()==2)
+    {
+      viewport.gatherViewsHere = true;
+    }
+    tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
+  }
+
+
   /**
    * DOCUMENT ME!
    *
@@ -1380,13 +1719,6 @@ public class AlignFrame
     new FontChooser(alignPanel);
   }
 
-  public void smoothFont_actionPerformed(ActionEvent e)
-  {
-    viewport.antiAlias = smoothFont.isSelected();
-    alignPanel.annotationPanel.image = null;
-    alignPanel.repaint();
-  }
-
 
   /**
    * DOCUMENT ME!
@@ -1401,6 +1733,13 @@ public class AlignFrame
     alignPanel.repaint();
   }
 
+  public void idRightAlign_actionPerformed(ActionEvent e)
+  {
+    viewport.idsAlignRight = idRightAlign.isSelected();
+    alignPanel.repaint();
+  }
+
+
 
   /**
    * DOCUMENT ME!
@@ -1441,6 +1780,7 @@ public class AlignFrame
   public void hideSelSequences_actionPerformed(ActionEvent e)
   {
     viewport.hideAllSelectedSeqs();
+    alignPanel.repaint();
   }
 
   public void hideSelColumns_actionPerformed(ActionEvent e)
@@ -1591,6 +1931,114 @@ public class AlignFrame
     alignPanel.setOverviewPanel(overview);
   }
 
+  public void textColour_actionPerformed(ActionEvent e)
+  {
+    int original1 = viewport.textColour.getRGB();
+    int original2 = viewport.textColour2.getRGB();
+    int thresh = viewport.thresholdTextColour;
+    final JSlider slider = new JSlider(0, 750, viewport.thresholdTextColour);
+    final JButton col1 = new JButton("DARK");
+    col1.setBackground(viewport.textColour);
+    col1.setForeground(viewport.textColour);
+    final JButton col2 = new JButton("LIGHT");
+    col2.setBackground(viewport.textColour2);
+    col2.setForeground(viewport.textColour2);
+    final JPanel bigpanel = new JPanel(new BorderLayout());
+    JPanel panel = new JPanel();
+    bigpanel.add(panel, BorderLayout.CENTER);
+    bigpanel.add(new JLabel(
+      "<html><i>Select a dark and light text colour, then set the threshold to"
+     +"<br>switch between colours, based on background colour</i></html>"),
+                 BorderLayout.NORTH);
+    panel.add(col1);
+    panel.add(slider);
+    panel.add(col2);
+
+    col1.addActionListener(new ActionListener()
+        {
+          public void actionPerformed(ActionEvent e)
+          {
+            Color col = JColorChooser.showDialog(bigpanel,
+                                                 "Select Colour for Text",
+                                                 viewport.textColour);
+            if (col != null)
+            {
+              viewport.textColour = col;
+              col1.setBackground(col);
+              col1.setForeground(col);
+              if(viewport.colourAppliesToAllGroups)
+                setGroupTextColour();
+            }
+            alignPanel.repaint();
+          }
+        });
+
+    col2.addActionListener(new ActionListener()
+    {
+      public void actionPerformed(ActionEvent e)
+      {
+        Color col = JColorChooser.showDialog(bigpanel,
+                                             "Select Colour for Text",
+                                             viewport.textColour);
+        if (col != null)
+        {
+          viewport.textColour2 = col;
+          col2.setBackground(col);
+          col2.setForeground(col);
+          if(viewport.colourAppliesToAllGroups)
+                setGroupTextColour();
+        }
+        alignPanel.repaint();
+      }
+    });
+
+
+    slider.addChangeListener(new ChangeListener()
+    {
+      public void stateChanged(ChangeEvent evt)
+      {
+        viewport.thresholdTextColour = slider.getValue();
+        if(viewport.colourAppliesToAllGroups)
+                setGroupTextColour();
+        alignPanel.repaint();
+      }
+    });
+
+    int reply = JOptionPane.showInternalOptionDialog(this,
+                                                 bigpanel,
+                                                 "Adjust Foreground Text Colour Threshold",
+                                                 JOptionPane.OK_CANCEL_OPTION,
+                                                 JOptionPane.QUESTION_MESSAGE,
+                                                 null,
+                                                 null, null);
+
+    if(reply==JOptionPane.CANCEL_OPTION)
+    {
+      viewport.textColour = new Color(original1);
+      viewport.textColour2 = new Color(original2);
+      viewport.thresholdTextColour = thresh;
+    }
+  }
+
+  void setGroupTextColour()
+  {
+    if(viewport.alignment.getGroups()==null)
+      return;
+
+    Vector groups = viewport.alignment.getGroups();
+
+    for(int i=0; i<groups.size(); i++)
+    {
+      SequenceGroup sg = (SequenceGroup)groups.elementAt(i);
+      sg.textColour = viewport.textColour;
+      sg.textColour2 = viewport.textColour2;
+      sg.thresholdTextColour = viewport.thresholdTextColour;
+    }
+
+
+  }
+
+
   /**
    * DOCUMENT ME!
    *
@@ -1756,7 +2204,7 @@ public class AlignFrame
         cs.setConservation(null);
       }
 
-      cs.setConsensus(viewport.vconsensus);
+      cs.setConsensus(viewport.hconsensus);
     }
 
     viewport.setGlobalColourScheme(cs);
@@ -1803,8 +2251,8 @@ public class AlignFrame
                 viewport.getIgnoreGapsConsensus());
 
          sg.cs.setConsensus(AAFrequency.calculate(
-             sg.getSequences(true), 0,
-             sg.getWidth()));
+             sg.getSequences(true), sg.getStartRes(),
+             sg.getEndRes()+1));
        }
         else
           sg.cs.setThreshold(0, viewport.getIgnoreGapsConsensus());
@@ -1814,8 +2262,9 @@ public class AlignFrame
         {
           Conservation c = new Conservation("Group",
                                             ResidueProperties.propHash, 3,
-                                            sg.getSequences(true), 0,
-                                            viewport.alignment.getWidth() - 1);
+                                            sg.getSequences(true),
+                                            sg.getStartRes(),
+                                            sg.getEndRes()+1);
           c.calculate();
           c.verdict(false, viewport.ConsPercGaps);
           sg.cs.setConservation(c);
@@ -2012,10 +2461,10 @@ public class AlignFrame
    */
   public void sortPairwiseMenuItem_actionPerformed(ActionEvent e)
   {
-    addHistoryItem(new HistoryItem("Pairwise Sort", viewport.alignment,
-                                   HistoryItem.SORT));
+    SequenceI [] oldOrder = viewport.getAlignment().getSequencesArray();
     AlignmentSorter.sortByPID(viewport.getAlignment(),
                               viewport.getAlignment().getSequenceAt(0));
+    addHistoryItem(new OrderCommand("Pairwise Sort", oldOrder, viewport.alignment));
     alignPanel.repaint();
   }
 
@@ -2026,9 +2475,9 @@ public class AlignFrame
    */
   public void sortIDMenuItem_actionPerformed(ActionEvent e)
   {
-    addHistoryItem(new HistoryItem("ID Sort", viewport.alignment,
-                                   HistoryItem.SORT));
+    SequenceI [] oldOrder = viewport.getAlignment().getSequencesArray();
     AlignmentSorter.sortByID(viewport.getAlignment());
+    addHistoryItem(new OrderCommand("ID Sort", oldOrder, viewport.alignment));
     alignPanel.repaint();
   }
 
@@ -2039,10 +2488,10 @@ public class AlignFrame
    */
   public void sortGroupMenuItem_actionPerformed(ActionEvent e)
   {
-    addHistoryItem(new HistoryItem("Group Sort", viewport.alignment,
-                                   HistoryItem.SORT));
-
+    SequenceI [] oldOrder = viewport.getAlignment().getSequencesArray();
     AlignmentSorter.sortByGroup(viewport.getAlignment());
+    addHistoryItem(new OrderCommand("Group Sort", oldOrder, viewport.alignment));
+
     alignPanel.repaint();
   }
 
@@ -2110,7 +2559,9 @@ public class AlignFrame
     viewport.autoCalculateConsensus = autoCalculate.isSelected();
     if(viewport.autoCalculateConsensus)
     {
-      alignmentChanged();
+      viewport.firePropertyChange("alignment",
+                                  null,
+                                  viewport.getAlignment().getSequences());
     }
   }
 
@@ -2166,9 +2617,15 @@ public class AlignFrame
   {
     TreePanel tp;
 
-    if ( (viewport.getSelectionGroup() != null) &&
-        (viewport.getSelectionGroup().getSize(false) > 3))
-    {
+    if (viewport.getSelectionGroup() != null) {
+      if (viewport.getSelectionGroup().getSize(false) < 3) {
+        JOptionPane.showMessageDialog(Desktop.desktop,
+                                      "You need to have more than two sequences selected to build a tree!",
+                                      "Not enough sequences",
+                                      JOptionPane.WARNING_MESSAGE);
+        return;
+      }
+
       int s = 0;
       SequenceGroup sg = viewport.getSelectionGroup();
 
@@ -2190,7 +2647,7 @@ public class AlignFrame
       }
 
       title = title + " on region";
-      tp = new TreePanel(viewport, type, pwType);
+      tp = new TreePanel(alignPanel, type, pwType);
     }
     else
     {
@@ -2210,7 +2667,7 @@ public class AlignFrame
       if(viewport.alignment.getHeight()<2)
         return;
 
-      tp = new TreePanel(viewport, type, pwType);
+      tp = new TreePanel(alignPanel, type, pwType);
     }
 
     addTreeMenuItem(tp, title);
@@ -2232,11 +2689,13 @@ public class AlignFrame
     {
       public void actionPerformed(ActionEvent e)
       {
-        addHistoryItem(new HistoryItem("Sort", viewport.alignment,
-                                       HistoryItem.SORT));
+        SequenceI [] oldOrder = viewport.getAlignment().getSequencesArray();
 
         // TODO: JBPNote - have to map order entries to curent SequenceI pointers
         AlignmentSorter.sortBy(viewport.getAlignment(), order);
+
+        addHistoryItem(new OrderCommand(order.getName(), oldOrder, viewport.alignment));
+
         alignPanel.repaint();
       }
     });
@@ -2267,10 +2726,15 @@ public class AlignFrame
     {
       public void actionPerformed(ActionEvent e)
       {
-        addHistoryItem(new HistoryItem("Tree Sort",
-                                       viewport.alignment, HistoryItem.SORT));
+        SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
         AlignmentSorter.sortByTree(viewport.getAlignment(),
                                    treePanel.getTree());
+
+        addHistoryItem(new OrderCommand("Tree Sort",
+                                        oldOrder,
+                                        viewport.alignment));
+
+
         alignPanel.repaint();
       }
     });
@@ -2406,16 +2870,26 @@ public class AlignFrame
   {
     return ShowNewickTree(nf,title,600,500,4,5);
   }
+  public TreePanel ShowNewickTree(NewickFile nf, String title, AlignmentView input)
+  {
+    return ShowNewickTree(nf,title, input, 600,500,4,5);
+  }
+  public TreePanel ShowNewickTree(NewickFile nf, String title, int w,int h,int x, int y) {
+    return ShowNewickTree(nf, title, null, w, h, x, y);
+  }
   /**
-   * DOCUMENT ME!
-   *
-   * @param nf DOCUMENT ME!
-   * @param title DOCUMENT ME!
+   * Add a treeviewer for the tree extracted from a newick file object to the current alignment view
    *
-   * @return DOCUMENT ME!
+   * @param nf the tree
+   * @param title tree viewer title
+   * @param input Associated alignment input data (or null)
+   * @param w width
+   * @param h height
+   * @param x position
+   * @param y position
+   * @return TreePanel handle
    */
-  public TreePanel ShowNewickTree(NewickFile nf, String title, int w,int h,int x, int y)
-  {
+  public TreePanel ShowNewickTree(NewickFile nf, String title, AlignmentView input, int w,int h,int x, int y) {
     TreePanel tp = null;
 
     try
@@ -2424,10 +2898,10 @@ public class AlignFrame
 
       if (nf.getTree() != null)
       {
-        tp = new TreePanel(viewport,
+        tp = new TreePanel(alignPanel,
                            "FromFile",
                            title,
-                           nf);
+                           nf, input);
 
         tp.setSize(w,h);
 
@@ -2543,7 +3017,7 @@ public class AlignFrame
               if (msa.getSequences().length == 1)
               {
                 // Single Sequence prediction
-                new jalview.ws.JPredClient(sh, title, false, msa, af);
+                new jalview.ws.JPredClient(sh, title, false, msa, af, true);
               }
               else
               {
@@ -2551,7 +3025,7 @@ public class AlignFrame
                 {
                   // Sequence profile based prediction
                   new jalview.ws.JPredClient(sh,
-                      title, true, msa, af);
+                      title, true, msa, af, true);
                 }
               }
             }
@@ -2678,39 +3152,16 @@ public void showTranslation_actionPerformed(ActionEvent e)
     }
   }
 
-    AlignFrame af = new AlignFrame(al);
+    AlignFrame af = new AlignFrame(al, DEFAULT_WIDTH, DEFAULT_HEIGHT);
     Desktop.addInternalFrame(af, "Translation of "+this.getTitle(),
-                             NEW_WINDOW_WIDTH,
-                             NEW_WINDOW_HEIGHT);
+                             DEFAULT_WIDTH,
+                             DEFAULT_HEIGHT);
 
 
-   // AlignViewport newViewport = new AlignViewport(al);
-   // AlignmentPanel ap = new AlignmentPanel(this, newViewport);
-   // tabbedPane.add("Protein", ap);
-   // viewports.add(newViewport);
-  //  alignPanels.add(ap);
-
-    ///Dataset tab
-  /////////////////////////
-
-  //  AlignViewport ds = new AlignViewport(al.getDataset());
-  //  ds.setDataset(true);
-  //  AlignmentPanel dap = new AlignmentPanel(this, ds);
-  //  tabbedPane.add("Dataset", dap);
-  //  viewports.add(ds);
-  //  alignPanels.add(dap);
-  /////////////////////////
 
 
 }
 
-/*public void tabSelected()
- {
-  int index = tabbedPane.getSelectedIndex();
-  viewport = (AlignViewport)viewports.elementAt(index);
-  alignPanel = (AlignmentPanel)alignPanels.elementAt(index);
- }*/
-
 /**
  * DOCUMENT ME!
  *
@@ -2818,17 +3269,35 @@ public void drop(DropTargetDropEvent evt)
    public void loadJalviewDataFile(String file)
   {
     try{
+      String protocol = "File";
+
+      if (file.indexOf("http:") > -1 || file.indexOf("file:") > -1)
+      {
+        protocol = "URL";
+      }
+
       boolean isAnnotation = new AnnotationFile().readAnnotationFile(viewport.
           alignment, file);
 
       if (!isAnnotation)
       {
-        boolean isGroupsFile = parseFeaturesFile(file,
-                                                AppletFormatAdapter.FILE);
+        boolean isGroupsFile = parseFeaturesFile(file,protocol);
         if (!isGroupsFile)
         {
-          String format = new IdentifyFile().Identify(file, FormatAdapter.FILE);
-          new FileLoader().LoadFile(viewport, file, FormatAdapter.FILE, format);
+          String format = new IdentifyFile().Identify(file, protocol);
+
+          if(format.equalsIgnoreCase("JnetFile"))
+          {
+            jalview.io.JPredFile predictions = new jalview.io.JPredFile(
+                file, protocol);
+            new JnetAnnotationMaker().add_annotation(predictions,
+                viewport.getAlignment(),
+                0, false);
+            alignPanel.adjustAnnotationHeight();
+            alignPanel.repaint();
+          }
+          else
+            new FileLoader().LoadFile(viewport, file, protocol, format);
         }
       }
       else
@@ -2842,4 +3311,37 @@ public void drop(DropTargetDropEvent evt)
       ex.printStackTrace();
     }
   }
+
+  public void tabSelectionChanged(int index)
+  {
+    if (index > -1)
+    {
+      alignPanel = (AlignmentPanel) alignPanels.elementAt(index);
+      viewport = alignPanel.av;
+      setMenusFromViewport(viewport);
+    }
+  }
+
+  public void tabbedPane_mousePressed(MouseEvent e)
+  {
+    if(SwingUtilities.isRightMouseButton(e))
+    {
+      String reply = JOptionPane.showInternalInputDialog(this,
+          "Enter View Name",
+          "Edit View Name",
+          JOptionPane.QUESTION_MESSAGE);
+
+      if (reply != null)
+      {
+        viewport.viewName = reply;
+        tabbedPane.setTitleAt( tabbedPane.getSelectedIndex() ,reply);
+      }
+    }
+  }
+
+
+  public AlignViewport getCurrentView()
+  {
+    return viewport;
+  }
 }