inprogress
[jalview.git] / forester / java / src / org / forester / archaeopteryx / TreePanel.java
index 1e329d3..8f8baa4 100644 (file)
@@ -21,7 +21,7 @@
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 //
 // Contact: phylosoft @ gmail . com
-// WWW: www.phylosoft.org/forester
+// WWW: https://sites.google.com/site/cmzmasek/home/software/forester
 
 package org.forester.archaeopteryx;
 
@@ -100,6 +100,7 @@ import org.forester.archaeopteryx.phylogeny.data.RenderableVector;
 import org.forester.archaeopteryx.tools.Blast;
 import org.forester.archaeopteryx.tools.ImageLoader;
 import org.forester.io.parsers.phyloxml.PhyloXmlUtil;
+import org.forester.io.writers.SequenceWriter;
 import org.forester.phylogeny.Phylogeny;
 import org.forester.phylogeny.PhylogenyMethods;
 import org.forester.phylogeny.PhylogenyMethods.DESCENDANT_SORT_PRIORITY;
@@ -129,111 +130,112 @@ import org.forester.util.SequenceIdParser;
 
 public final class TreePanel extends JPanel implements ActionListener, MouseWheelListener, Printable {
 
-    private static final float              PI                                = ( float ) ( Math.PI );
-    private static final double             TWO_PI                            = 2 * Math.PI;
-    private static final float              ONEHALF_PI                        = ( float ) ( 1.5 * Math.PI );
-    private static final float              HALF_PI                           = ( float ) ( Math.PI / 2.0 );
-    private static final float              ANGLE_ROTATION_UNIT               = ( float ) ( Math.PI / 32 );
-    private static final short              OV_BORDER                         = 10;
-    final static Cursor                     CUT_CURSOR                        = Cursor.getPredefinedCursor( Cursor.CROSSHAIR_CURSOR );
-    final static Cursor                     MOVE_CURSOR                       = Cursor.getPredefinedCursor( Cursor.MOVE_CURSOR );
-    final static Cursor                     ARROW_CURSOR                      = Cursor.getPredefinedCursor( Cursor.DEFAULT_CURSOR );
-    final static Cursor                     HAND_CURSOR                       = Cursor.getPredefinedCursor( Cursor.HAND_CURSOR );
-    final static Cursor                     WAIT_CURSOR                       = Cursor.getPredefinedCursor( Cursor.WAIT_CURSOR );
-    private final static long               serialVersionUID                  = -978349745916505029L;
-    private final static int                EURO_D                            = 10;
-    private final static String             NODE_POPMENU_NODE_CLIENT_PROPERTY = "node";
-    private final static int                MIN_ROOT_LENGTH                   = 3;
-    private final static int                MAX_SUBTREES                      = 100;
-    private final static int                MAX_NODE_FRAMES                   = 10;
-    private final static int                MOVE                              = 20;
-    private final static NumberFormat       FORMATTER_CONFIDENCE;
-    private final static NumberFormat       FORMATTER_BRANCH_LENGTH;
-    private final static int                WIGGLE                            = 2;
-    private final static int                LIMIT_FOR_HQ_RENDERING            = 1000;
-    private final static int                CONFIDENCE_LEFT_MARGIN            = 4;
-    // TODO "rendering_hints" was static before. Need to make sure everything is OK with it not
-    // being static anymore (02/20/2009).
-    private final RenderingHints            _rendering_hints                  = new RenderingHints( RenderingHints.KEY_RENDERING,
-                                                                                                    RenderingHints.VALUE_RENDER_DEFAULT );
-    private File                            _treefile                         = null;
-    private Configuration                   _configuration                    = null;
-    private final NodeFrame[]               _node_frames                      = new NodeFrame[ TreePanel.MAX_NODE_FRAMES ];
-    private int                             _node_frame_index                 = 0;
-    private Phylogeny                       _phylogeny                        = null;
-    private final Phylogeny[]               _sub_phylogenies                  = new Phylogeny[ TreePanel.MAX_SUBTREES ];
-    private final PhylogenyNode[]           _sub_phylogenies_temp_roots       = new PhylogenyNode[ TreePanel.MAX_SUBTREES ];
-    private int                             _subtree_index                    = 0;
-    private MainPanel                       _main_panel                       = null;
-    private Set<Integer>                    _found_nodes                      = null;
-    private PhylogenyNode                   _highlight_node                   = null;
-    private JPopupMenu                      _node_popup_menu                  = null;
-    private JMenuItem                       _node_popup_menu_items[]          = null;
-    private int                             _longest_ext_node_info            = 0;
-    private float                           _x_correction_factor              = 0.0f;
-    private float                           _ov_x_correction_factor           = 0.0f;
-    private float                           _x_distance                       = 0.0f;
-    private float                           _y_distance                       = 0.0f;
-    private PHYLOGENY_GRAPHICS_TYPE         _graphics_type                    = PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR;
-    private double                          _domain_structure_width           = Constants.DOMAIN_STRUCTURE_DEFAULT_WIDTH;
-    private int                             _domain_structure_e_value_thr_exp = Constants.DOMAIN_STRUCTURE_E_VALUE_THR_DEFAULT_EXP;
-    private float                           _last_drag_point_x                = 0;
-    private float                           _last_drag_point_y                = 0;
-    private ControlPanel                    _control_panel                    = null;
-    private int                             _external_node_index              = 0;
-    private final Polygon                   _polygon                          = new Polygon();
-    private final StringBuilder             _sb                               = new StringBuilder();
-    private JColorChooser                   _color_chooser                    = null;
-    private double                          _scale_distance                   = 0.0;
-    private String                          _scale_label                      = null;
-    private final CubicCurve2D              _cubic_curve                      = new CubicCurve2D.Float();
-    private final QuadCurve2D               _quad_curve                       = new QuadCurve2D.Float();
-    private final Line2D                    _line                             = new Line2D.Float();
-    private final Ellipse2D                 _ellipse                          = new Ellipse2D.Float();
-    private final Rectangle2D               _rectangle                        = new Rectangle2D.Float();
-    private Options                         _options                          = null;
-    private float                           _ov_max_width                     = 0;
-    private float                           _ov_max_height                    = 0;
-    private int                             _ov_x_position                    = 0;
-    private int                             _ov_y_position                    = 0;
-    private int                             _ov_y_start                       = 0;
-    private float                           _ov_y_distance                    = 0;
-    private float                           _ov_x_distance                    = 0;
-    private boolean                         _ov_on                            = false;
-    private double                          _urt_starting_angle               = ( float ) ( Math.PI / 2 );
-    private float                           _urt_factor                       = 1;
-    private float                           _urt_factor_ov                    = 1;
-    private final boolean                   _phy_has_branch_lengths;
-    private final Rectangle2D               _ov_rectangle                     = new Rectangle2D.Float();
-    private boolean                         _in_ov_rect                       = false;
-    private boolean                         _in_ov                            = false;
-    private final Rectangle                 _ov_virtual_rectangle             = new Rectangle();
-    final private static double             _180_OVER_PI                      = 180.0 / Math.PI;
-    private static final float              ROUNDED_D                         = 8;
-    private int                             _circ_max_depth;
-    private PhylogenyNode                   _root;
-    final private Arc2D                     _arc                              = new Arc2D.Double();
-    final private HashMap<Integer, Double>  _urt_nodeid_angle_map             = new HashMap<Integer, Double>();
-    final private HashMap<Integer, Integer> _urt_nodeid_index_map             = new HashMap<Integer, Integer>();
-    final private Set<Integer>              _collapsed_external_nodeid_set    = new HashSet<Integer>();
-    HashMap<Integer, Short>                 _nodeid_dist_to_leaf              = new HashMap<Integer, Short>();
-    private AffineTransform                 _at;
-    private double                          _max_distance_to_root             = -1;
-    private int                             _dynamic_hiding_factor            = 0;
-    private boolean                         _edited                           = false;
-    private Popup                           _node_desc_popup;
-    private JTextArea                       _rollover_popup;
-    private final StringBuffer              _popup_buffer                     = new StringBuffer();
-    final private static Font               POPUP_FONT                        = new Font( Configuration.getDefaultFontFamilyName(),
-                                                                                          Font.PLAIN,
-                                                                                          12 );
-    private Sequence                        _query_sequence                   = null;
-    private final FontRenderContext         _frc                              = new FontRenderContext( null,
-                                                                                                       false,
-                                                                                                       false );
+    private static final float           PI                                                 = ( float ) ( Math.PI );
+    private static final double          TWO_PI                                             = 2 * Math.PI;
+    private static final float           ONEHALF_PI                                         = ( float ) ( 1.5 * Math.PI );
+    private static final float           HALF_PI                                            = ( float ) ( Math.PI / 2.0 );
+    private static final float           ANGLE_ROTATION_UNIT                                = ( float ) ( Math.PI / 32 );
+    private static final short           OV_BORDER                                          = 10;
+    final static Cursor                  CUT_CURSOR                                         = Cursor.getPredefinedCursor( Cursor.CROSSHAIR_CURSOR );
+    final static Cursor                  MOVE_CURSOR                                        = Cursor.getPredefinedCursor( Cursor.MOVE_CURSOR );
+    final static Cursor                  ARROW_CURSOR                                       = Cursor.getPredefinedCursor( Cursor.DEFAULT_CURSOR );
+    final static Cursor                  HAND_CURSOR                                        = Cursor.getPredefinedCursor( Cursor.HAND_CURSOR );
+    final static Cursor                  WAIT_CURSOR                                        = Cursor.getPredefinedCursor( Cursor.WAIT_CURSOR );
+    private final static long            serialVersionUID                                   = -978349745916505029L;
+    private final static int             EURO_D                                             = 10;
+    private final static String          NODE_POPMENU_NODE_CLIENT_PROPERTY                  = "node";
+    private final static int             MIN_ROOT_LENGTH                                    = 3;
+    private final static int             MAX_SUBTREES                                       = 100;
+    private final static int             MAX_NODE_FRAMES                                    = 10;
+    private final static int             MOVE                                               = 20;
+    private final static NumberFormat    FORMATTER_CONFIDENCE;
+    private final static NumberFormat    FORMATTER_BRANCH_LENGTH;
+    private final static int             WIGGLE                                             = 2;
+    private final static int             LIMIT_FOR_HQ_RENDERING                             = 1000;
+    private final static int             CONFIDENCE_LEFT_MARGIN                             = 4;
+    private final RenderingHints         _rendering_hints                                   = new RenderingHints( RenderingHints.KEY_RENDERING,
+                                                                                                                  RenderingHints.VALUE_RENDER_DEFAULT );
+    private File                         _treefile                                          = null;
+    private Configuration                _configuration                                     = null;
+    private final NodeFrame[]            _node_frames                                       = new NodeFrame[ TreePanel.MAX_NODE_FRAMES ];
+    private int                          _node_frame_index                                  = 0;
+    private Phylogeny                    _phylogeny                                         = null;
+    private final Phylogeny[]            _sub_phylogenies                                   = new Phylogeny[ TreePanel.MAX_SUBTREES ];
+    private final PhylogenyNode[]        _sub_phylogenies_temp_roots                        = new PhylogenyNode[ TreePanel.MAX_SUBTREES ];
+    private int                          _subtree_index                                     = 0;
+    private MainPanel                    _main_panel                                        = null;
+    private Set<Long>                    _found_nodes                                       = null;
+    private PhylogenyNode                _highlight_node                                    = null;
+    private JPopupMenu                   _node_popup_menu                                   = null;
+    private JMenuItem                    _node_popup_menu_items[]                           = null;
+    private int                          _longest_ext_node_info                             = 0;
+    private float                        _x_correction_factor                               = 0.0f;
+    private float                        _ov_x_correction_factor                            = 0.0f;
+    private float                        _x_distance                                        = 0.0f;
+    private float                        _y_distance                                        = 0.0f;
+    private PHYLOGENY_GRAPHICS_TYPE      _graphics_type                                     = PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR;
+    private double                       _domain_structure_width                            = Constants.DOMAIN_STRUCTURE_DEFAULT_WIDTH;
+    private int                          _domain_structure_e_value_thr_exp                  = Constants.DOMAIN_STRUCTURE_E_VALUE_THR_DEFAULT_EXP;
+    private float                        _last_drag_point_x                                 = 0;
+    private float                        _last_drag_point_y                                 = 0;
+    private ControlPanel                 _control_panel                                     = null;
+    private int                          _external_node_index                               = 0;
+    private final Polygon                _polygon                                           = new Polygon();
+    private final StringBuilder          _sb                                                = new StringBuilder();
+    private JColorChooser                _color_chooser                                     = null;
+    private double                       _scale_distance                                    = 0.0;
+    private String                       _scale_label                                       = null;
+    private final CubicCurve2D           _cubic_curve                                       = new CubicCurve2D.Float();
+    private final QuadCurve2D            _quad_curve                                        = new QuadCurve2D.Float();
+    private final Line2D                 _line                                              = new Line2D.Float();
+    private final Ellipse2D              _ellipse                                           = new Ellipse2D.Float();
+    private final Rectangle2D            _rectangle                                         = new Rectangle2D.Float();
+    private Options                      _options                                           = null;
+    private float                        _ov_max_width                                      = 0;
+    private float                        _ov_max_height                                     = 0;
+    private int                          _ov_x_position                                     = 0;
+    private int                          _ov_y_position                                     = 0;
+    private int                          _ov_y_start                                        = 0;
+    private float                        _ov_y_distance                                     = 0;
+    private float                        _ov_x_distance                                     = 0;
+    private boolean                      _ov_on                                             = false;
+    private double                       _urt_starting_angle                                = ( float ) ( Math.PI / 2 );
+    private float                        _urt_factor                                        = 1;
+    private float                        _urt_factor_ov                                     = 1;
+    private final boolean                _phy_has_branch_lengths;
+    private final Rectangle2D            _ov_rectangle                                      = new Rectangle2D.Float();
+    private boolean                      _in_ov_rect                                        = false;
+    private boolean                      _in_ov                                             = false;
+    private final Rectangle              _ov_virtual_rectangle                              = new Rectangle();
+    final private static double          _180_OVER_PI                                       = 180.0 / Math.PI;
+    private static final float           ROUNDED_D                                          = 8;
+    private int                          _circ_max_depth;
+    private PhylogenyNode                _root;
+    final private Arc2D                  _arc                                               = new Arc2D.Double();
+    final private HashMap<Long, Double>  _urt_nodeid_angle_map                              = new HashMap<Long, Double>();
+    final private HashMap<Long, Integer> _urt_nodeid_index_map                              = new HashMap<Long, Integer>();
+    final private Set<Long>              _collapsed_external_nodeid_set                     = new HashSet<Long>();
+    HashMap<Long, Short>                 _nodeid_dist_to_leaf                               = new HashMap<Long, Short>();
+    private AffineTransform              _at;
+    private double                       _max_distance_to_root                              = -1;
+    private int                          _dynamic_hiding_factor                             = 0;
+    private boolean                      _edited                                            = false;
+    private Popup                        _node_desc_popup;
+    private JTextArea                    _rollover_popup;
+    private final StringBuffer           _popup_buffer                                      = new StringBuffer();
+    final private static Font            POPUP_FONT                                         = new Font( Configuration.getDefaultFontFamilyName(),
+                                                                                                        Font.PLAIN,
+                                                                                                        12 );
+    private Sequence                     _query_sequence                                    = null;
+    private final FontRenderContext      _frc                                               = new FontRenderContext( null,
+                                                                                                                     false,
+                                                                                                                     false );
     // expression values menu:
-    private DescriptiveStatistics           _statistics_for_vector_data;
-    private PhylogenyNode[]                 _nodes_in_preorder                = null;
+    private DescriptiveStatistics        _statistics_for_vector_data;
+    private PhylogenyNode[]              _nodes_in_preorder                                 = null;
+    private StringBuilder                _current_external_nodes_data_buffer                = new StringBuilder();
+    private int                          _current_external_nodes_data_buffer_change_counter = 0;
+    private Set<Long>                    _current_external_nodes                            = null;
     //  private Image                           offscreenImage;
     //  private Graphics                        offscreenGraphics;
     //  private Dimension                       offscreenDimension;
@@ -305,65 +307,6 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         requestFocusInWindow();
     }
 
-    public void checkForVectorProperties( final Phylogeny phy ) {
-        final DescriptiveStatistics stats = new BasicDescriptiveStatistics();
-        for( final PhylogenyNodeIterator iter = phy.iteratorPreorder(); iter.hasNext(); ) {
-            final PhylogenyNode node = iter.next();
-            if ( node.getNodeData().getProperties() != null ) {
-                final PropertiesMap pm = node.getNodeData().getProperties();
-                final double[] vector = new double[ pm.getProperties().size() ];
-                int counter = 0;
-                for( final String ref : pm.getProperties().keySet() ) {
-                    if ( ref.startsWith( PhyloXmlUtil.VECTOR_PROPERTY_REF ) ) {
-                        final Property p = pm.getProperty( ref );
-                        final String value_str = p.getValue();
-                        final String index_str = ref
-                                .substring( PhyloXmlUtil.VECTOR_PROPERTY_REF.length(), ref.length() );
-                        double d = -100;
-                        try {
-                            d = Double.parseDouble( value_str );
-                        }
-                        catch ( final NumberFormatException e ) {
-                            JOptionPane.showMessageDialog( this, "Could not parse \"" + value_str
-                                    + "\" into a decimal value", "Problem with Vector Data", JOptionPane.ERROR_MESSAGE );
-                            return;
-                        }
-                        int i = -1;
-                        try {
-                            i = Integer.parseInt( index_str );
-                        }
-                        catch ( final NumberFormatException e ) {
-                            JOptionPane.showMessageDialog( this,
-                                                           "Could not parse \"" + index_str
-                                                                   + "\" into index for vector data",
-                                                           "Problem with Vector Data",
-                                                           JOptionPane.ERROR_MESSAGE );
-                            return;
-                        }
-                        if ( i < 0 ) {
-                            JOptionPane.showMessageDialog( this,
-                                                           "Attempt to use negative index for vector data",
-                                                           "Problem with Vector Data",
-                                                           JOptionPane.ERROR_MESSAGE );
-                            return;
-                        }
-                        vector[ i ] = d;
-                        ++counter;
-                        stats.addValue( d );
-                    }
-                }
-                final List<Double> vector_l = new ArrayList<Double>( counter );
-                for( int i = 0; i < counter; ++i ) {
-                    vector_l.add( vector[ i ] );
-                }
-                node.getNodeData().setVector( vector_l );
-            }
-        }
-        if ( stats.getN() > 0 ) {
-            _statistics_for_vector_data = stats;
-        }
-    }
-
     public synchronized Hashtable<String, BufferedImage> getImageMap() {
         return getMainPanel().getImageMap();
     }
@@ -402,7 +345,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                 getControlPanel().displayedPhylogenyMightHaveChanged( true );
             }
             else {
-                getTreeFontSet().decreaseFontSize();
+                getTreeFontSet().decreaseFontSize( 1, false );
                 getControlPanel().displayedPhylogenyMightHaveChanged( true );
             }
         }
@@ -497,11 +440,6 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         }
     }
 
-    public final void setArrowCursor() {
-        setCursor( ARROW_CURSOR );
-        repaint();
-    }
-
     public final void setEdited( final boolean edited ) {
         _edited = edited;
     }
@@ -511,17 +449,61 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
     }
 
     /**
+     * Set a phylogeny tree.
+     * 
+     * @param t
+     *            an instance of a Phylogeny
+     */
+    public final void setTree( final Phylogeny t ) {
+        setNodeInPreorderToNull();
+        _phylogeny = t;
+    }
+
+    public final void setWaitCursor() {
+        setCursor( WAIT_CURSOR );
+        repaint();
+    }
+
+    @Override
+    public void update( final Graphics g ) {
+        paint( g );
+    }
+
+    final void calcMaxDepth() {
+        if ( _phylogeny != null ) {
+            _circ_max_depth = PhylogenyMethods.calculateMaxDepth( _phylogeny );
+        }
+    }
+
+    /**
      * Set parameters for printing the displayed tree
      * 
-     * @param x
-     * @param y
      */
-    public final void setParametersForPainting( final int x, final int y, final boolean recalc_longest_ext_node_info ) {
+    final void calcParametersForPainting( final int x, final int y, final boolean recalc_longest_ext_node_info ) {
         // updateStyle(); not needed?
         if ( ( _phylogeny != null ) && !_phylogeny.isEmpty() ) {
             initNodeData();
             if ( recalc_longest_ext_node_info ) {
                 calculateLongestExtNodeInfo();
+                if ( getOptions().isAllowFontSizeChange() ) {
+                    if ( ( getLongestExtNodeInfo() > ( x * 0.6 ) )
+                            && ( getTreeFontSet().getLargeFont().getSize() > 2 + TreeFontSet.FONT_SIZE_CHANGE_STEP ) ) {
+                        while ( ( getLongestExtNodeInfo() > ( x * 0.7 ) )
+                                && ( getTreeFontSet().getLargeFont().getSize() > 2 ) ) {
+                            getMainPanel().getTreeFontSet().decreaseFontSize( getConfiguration().getMinBaseFontSize(),
+                                                                              true );
+                            calculateLongestExtNodeInfo();
+                        }
+                    }
+                    else {
+                        while ( ( getLongestExtNodeInfo() < ( x * 0.6 ) )
+                                && ( getTreeFontSet().getLargeFont().getSize() <= getTreeFontSet().getLargeFontMemory()
+                                        .getSize() - TreeFontSet.FONT_SIZE_CHANGE_STEP ) ) {
+                            getMainPanel().getTreeFontSet().increaseFontSize();
+                            calculateLongestExtNodeInfo();
+                        }
+                    }
+                }
             }
             int ext_nodes = _phylogeny.getRoot().getNumberOfExternalNodes();
             final int max_depth = PhylogenyMethods.calculateMaxDepth( _phylogeny );
@@ -568,33 +550,27 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             }
             _circ_max_depth = max_depth;
             setUpUrtFactor();
-        }
-    }
-
-    /**
-     * Set a phylogeny tree.
-     * 
-     * @param t
-     *            an instance of a Phylogeny
-     */
-    public final void setTree( final Phylogeny t ) {
-        setNodeInPreorderToNull();
-        _phylogeny = t;
-    }
-
-    public final void setWaitCursor() {
-        setCursor( WAIT_CURSOR );
-        repaint();
-    }
-
-    @Override
-    public void update( final Graphics g ) {
-        paint( g );
-    }
-
-    final void calcMaxDepth() {
-        if ( _phylogeny != null ) {
-            _circ_max_depth = PhylogenyMethods.calculateMaxDepth( _phylogeny );
+            //
+            if ( getOptions().isAllowFontSizeChange() ) {
+                if ( ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.UNROOTED )
+                        && ( getPhylogenyGraphicsType() != PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) ) {
+                    //                int dynamic_hiding_factor = calcDynamicHidingFactor();
+                    //                if ( dynamic_hiding_factor > 1 ) {
+                    //                    while ( dynamic_hiding_factor > 1
+                    //                            && getTreeFontSet()._fm_large.getHeight() > TreeFontSet.SMALL_FONTS_BASE ) {
+                    //                        getTreeFontSet().decreaseFontSize( 1, true );
+                    //                        dynamic_hiding_factor = calcDynamicHidingFactor();
+                    //                    }
+                    //                }
+                    //                else if ( getTreeFontSet().isDecreasedSizeBySystem() ) {
+                    //                    while ( dynamic_hiding_factor < 1 && getTreeFontSet()._fm_large.getHeight() < 12 ) {
+                    //                        getTreeFontSet().increaseFontSize();
+                    //                        dynamic_hiding_factor = calcDynamicHidingFactor();
+                    //                    }
+                    //                }
+                }
+            }
+            //
         }
     }
 
@@ -731,6 +707,69 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         return c;
     }
 
+    void checkForVectorProperties( final Phylogeny phy ) {
+        final DescriptiveStatistics stats = new BasicDescriptiveStatistics();
+        for( final PhylogenyNodeIterator iter = phy.iteratorPreorder(); iter.hasNext(); ) {
+            final PhylogenyNode node = iter.next();
+            if ( node.getNodeData().getProperties() != null ) {
+                final PropertiesMap pm = node.getNodeData().getProperties();
+                final double[] vector = new double[ pm.getProperties().size() ];
+                int counter = 0;
+                for( final String ref : pm.getProperties().keySet() ) {
+                    if ( ref.startsWith( PhyloXmlUtil.VECTOR_PROPERTY_REF ) ) {
+                        final Property p = pm.getProperty( ref );
+                        final String value_str = p.getValue();
+                        final String index_str = ref
+                                .substring( PhyloXmlUtil.VECTOR_PROPERTY_REF.length(), ref.length() );
+                        double d = -100;
+                        try {
+                            d = Double.parseDouble( value_str );
+                        }
+                        catch ( final NumberFormatException e ) {
+                            JOptionPane.showMessageDialog( this, "Could not parse \"" + value_str
+                                    + "\" into a decimal value", "Problem with Vector Data", JOptionPane.ERROR_MESSAGE );
+                            return;
+                        }
+                        int i = -1;
+                        try {
+                            i = Integer.parseInt( index_str );
+                        }
+                        catch ( final NumberFormatException e ) {
+                            JOptionPane.showMessageDialog( this,
+                                                           "Could not parse \"" + index_str
+                                                                   + "\" into index for vector data",
+                                                           "Problem with Vector Data",
+                                                           JOptionPane.ERROR_MESSAGE );
+                            return;
+                        }
+                        if ( i < 0 ) {
+                            JOptionPane.showMessageDialog( this,
+                                                           "Attempt to use negative index for vector data",
+                                                           "Problem with Vector Data",
+                                                           JOptionPane.ERROR_MESSAGE );
+                            return;
+                        }
+                        vector[ i ] = d;
+                        ++counter;
+                        stats.addValue( d );
+                    }
+                }
+                final List<Double> vector_l = new ArrayList<Double>( counter );
+                for( int i = 0; i < counter; ++i ) {
+                    vector_l.add( vector[ i ] );
+                }
+                node.getNodeData().setVector( vector_l );
+            }
+        }
+        if ( stats.getN() > 0 ) {
+            _statistics_for_vector_data = stats;
+        }
+    }
+
+    void clearCurrentExternalNodesDataBuffer() {
+        setCurrentExternalNodesDataBuffer( new StringBuilder() );
+    }
+
     /**
      * Collapse the tree from the given node
      * 
@@ -806,6 +845,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             else {
                 msg += "colorized one subtree";
             }
+            setEdited( true );
             JOptionPane.showMessageDialog( this,
                                            msg,
                                            "Taxonomy Colorization Completed (" + rank + ")",
@@ -877,11 +917,19 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         return _control_panel;
     }
 
+    String getCurrentExternalNodesDataBufferAsString() {
+        return _current_external_nodes_data_buffer.toString();
+    }
+
+    int getCurrentExternalNodesDataBufferChangeCounter() {
+        return _current_external_nodes_data_buffer_change_counter;
+    }
+
     final int getDomainStructureEvalueThreshold() {
         return _domain_structure_e_value_thr_exp;
     }
 
-    final Set<Integer> getFoundNodes() {
+    final Set<Long> getFoundNodes() {
         return _found_nodes;
     }
 
@@ -1096,6 +1144,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         PhylogenyMethods.midpointRoot( _phylogeny );
         resetNodeIdToDistToLeafMap();
         setArrowCursor();
+        setEdited( true );
         repaint();
     }
 
@@ -1137,7 +1186,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                 if ( ( e.getModifiers() & InputEvent.SHIFT_MASK ) != 0 ) {
                     // Yes, so add to _found_nodes
                     if ( getFoundNodes() == null ) {
-                        setFoundNodes( new HashSet<Integer>() );
+                        setFoundNodes( new HashSet<Long>() );
                     }
                     getFoundNodes().add( node.getId() );
                     // Check if control key is down
@@ -1238,6 +1287,10 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
 
     final void mouseMoved( final MouseEvent e ) {
         requestFocusInWindow();
+        if ( _current_external_nodes != null ) {
+            _current_external_nodes = null;
+            repaint();
+        }
         if ( getControlPanel().isNodeDescPopup() ) {
             if ( _node_desc_popup != null ) {
                 _node_desc_popup.hide();
@@ -1269,8 +1322,14 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             }
             final PhylogenyNode node = findNode( e.getX(), e.getY() );
             if ( ( node != null ) && ( node.isRoot() || !node.getParent().isCollapse() ) ) {
-                // cursor is over a tree node
-                if ( ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.CUT_SUBTREE )
+                if ( ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.GET_EXT_DESC_DATA ) ) {
+                    for( final PhylogenyNode n : node.getAllExternalDescendants() ) {
+                        addToCurrentExternalNodes( n.getId() );
+                    }
+                    setCursor( HAND_CURSOR );
+                    repaint();
+                }
+                else if ( ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.CUT_SUBTREE )
                         || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.COPY_SUBTREE )
                         || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.PASTE_SUBTREE )
                         || ( getControlPanel().getActionWhenNodeClicked() == NodeClickAction.DELETE_NODE_OR_SUBTREE )
@@ -1327,9 +1386,10 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                   root_x + ( Math.cos( angle ) * parent_radius ),
                   root_y + ( Math.sin( angle ) * parent_radius ),
                   g );
-        paintNodeBox( c.getXcoord(), c.getYcoord(), c, g, to_pdf, to_graphics_file, isInFoundNodes( c ) );
+        paintNodeBox( c.getXcoord(), c.getYcoord(), c, g, to_pdf, to_graphics_file, isInFoundNodes( c )
+                || isInCurrentExternalNodes( c ) );
         if ( c.isExternal() ) {
-            final boolean is_in_found_nodes = isInFoundNodes( c );
+            final boolean is_in_found_nodes = isInFoundNodes( c ) || isInCurrentExternalNodes( c );
             if ( ( _dynamic_hiding_factor > 1 ) && !is_in_found_nodes
                     && ( ( _urt_nodeid_index_map.get( c.getId() ) % _dynamic_hiding_factor ) != 1 ) ) {
                 return;
@@ -1356,7 +1416,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                   root_x + ( Math.cos( angle ) * parent_radius ),
                   root_y + ( Math.sin( angle ) * parent_radius ),
                   g );
-        if ( isInFoundNodes( c ) ) {
+        if ( isInFoundNodes( c ) || isInCurrentExternalNodes( c ) ) {
             g.setColor( getTreeColorSet().getFoundColor() );
             drawRectFilled( c.getXSecondary() - 1, c.getYSecondary() - 1, 3, 3, g );
         }
@@ -1483,7 +1543,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             // Position starting Y of tree
             _phylogeny.getRoot().setYcoord( ( getYdistance() * _phylogeny.getRoot().getNumberOfExternalNodes() )
                     + ( TreePanel.MOVE / 2.0f ) );
-            final int dynamic_hiding_factor = ( int ) ( getTreeFontSet()._fm_large.getHeight() / ( 1.5 * getYdistance() ) );
+            final int dynamic_hiding_factor = calcDynamicHidingFactor();
             if ( getControlPanel().isDynamicallyHideData() ) {
                 if ( dynamic_hiding_factor > 1 ) {
                     getControlPanel().setDynamicHidingIsOn( true );
@@ -1671,6 +1731,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         setNodeInPreorderToNull();
         resetPreferredSize();
         getMainPanel().adjustJScrollPane();
+        setEdited( true );
         repaint();
         if ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.CIRCULAR ) {
             getControlPanel().showWhole();
@@ -1678,7 +1739,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
     }
 
     final void resetNodeIdToDistToLeafMap() {
-        _nodeid_dist_to_leaf = new HashMap<Integer, Short>();
+        _nodeid_dist_to_leaf = new HashMap<Long, Short>();
     }
 
     final void resetPreferredSize() {
@@ -1725,18 +1786,28 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             getControlPanel().getSearchResetButton().setEnabled( true );
             getControlPanel().getSearchResetButton().setVisible( true );
             if ( getFoundNodes() == null ) {
-                setFoundNodes( new HashSet<Integer>() );
+                setFoundNodes( new HashSet<Long>() );
             }
             getFoundNodes().add( node.getId() );
             getControlPanel().setSearchFoundCountsOnLabel( getFoundNodes().size() );
         }
     }
 
+    final void setArrowCursor() {
+        setCursor( ARROW_CURSOR );
+        repaint();
+    }
+
     final void setControlPanel( final ControlPanel atv_control ) {
         _control_panel = atv_control;
     }
 
-    final void setFoundNodes( final Set<Integer> found_nodes ) {
+    void setCurrentExternalNodesDataBuffer( final StringBuilder sb ) {
+        increaseCurrentExternalNodesDataBufferChangeCounter();
+        _current_external_nodes_data_buffer = sb;
+    }
+
+    final void setFoundNodes( final Set<Long> found_nodes ) {
         _found_nodes = found_nodes;
     }
 
@@ -1804,7 +1875,8 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         }
         if ( getMainPanel().getOptions().isAntialiasScreen() ) {
             if ( ( getPhylogenyGraphicsType() == PHYLOGENY_GRAPHICS_TYPE.RECTANGULAR )
-                    && !getMainPanel().getOptions().isShowDefaultNodeShapes()
+                    && !getMainPanel().getOptions().isShowDefaultNodeShapesInternal()
+                    && !getMainPanel().getOptions().isShowDefaultNodeShapesExternal()
                     && ( ( getControlPanel() != null ) && !getControlPanel().isShowDomainArchitectures() ) ) {
                 _rendering_hints.put( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF );
             }
@@ -1951,6 +2023,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         if ( _control_panel.getColorBranchesCb() != null ) {
             _control_panel.getColorBranchesCb().setSelected( true );
         }
+        setEdited( true );
         setArrowCursor();
         repaint();
     }
@@ -2123,6 +2196,13 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         repaint();
     }
 
+    final private void addToCurrentExternalNodes( final long i ) {
+        if ( _current_external_nodes == null ) {
+            _current_external_nodes = new HashSet<Long>();
+        }
+        _current_external_nodes.add( i );
+    }
+
     final private void assignGraphicsForBranchWithColorForParentBranch( final PhylogenyNode node,
                                                                         final boolean is_vertical,
                                                                         final Graphics g,
@@ -2215,6 +2295,10 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         }
     }
 
+    private final int calcDynamicHidingFactor() {
+        return ( int ) ( 0.5 + ( getTreeFontSet()._fm_large.getHeight() / ( 1.5 * getYdistance() ) ) );
+    }
+
     /**
      * Calculate the length of the distance between the given node and its
      * parent.
@@ -2243,7 +2327,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         Color c = getTreeColorSet().getAnnotationColor();
         if ( getControlPanel().isColorAccordingToAnnotation() && ( getControlPanel().getAnnotationColors() != null ) ) {
             final StringBuilder sb = new StringBuilder();
-            for( Annotation a : ann ) {
+            for( final Annotation a : ann ) {
                 sb.append( !ForesterUtil.isEmpty( a.getRef() ) ? a.getRef() : a.getDesc() );
             }
             final String ann_str = sb.toString();
@@ -2330,7 +2414,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         setNodeInPreorderToNull();
         setCutOrCopiedTree( _phylogeny.copy( node ) );
         final List<PhylogenyNode> nodes = PhylogenyMethods.getAllDescendants( node );
-        final Set<Integer> node_ids = new HashSet<Integer>( nodes.size() );
+        final Set<Long> node_ids = new HashSet<Long>( nodes.size() );
         for( final PhylogenyNode n : nodes ) {
             node_ids.add( n.getId() );
         }
@@ -2339,6 +2423,22 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         repaint();
     }
 
+    private String createAnnotationString( final SortedSet<Annotation> ann ) {
+        final StringBuilder sb = new StringBuilder();
+        boolean first = true;
+        for( final Annotation a : ann ) {
+            if ( !first ) {
+                sb.append( "|" );
+            }
+            else {
+                first = false;
+            }
+            sb.append( a.asSimpleText() );
+        }
+        final String ann_str = sb.toString();
+        return ann_str;
+    }
+
     final private String createASimpleTextRepresentationOfANode( final PhylogenyNode node ) {
         final String tax = PhylogenyMethods.getSpecies( node );
         String label = node.getName();
@@ -2409,7 +2509,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             errorMessageNoCutCopyPasteInUnrootedDisplay();
             return;
         }
-        if ( node.isRoot() ) {
+        if ( node.isRoot() && ( node.getNumberOfDescendants() != 1 ) ) {
             JOptionPane.showMessageDialog( this,
                                            "Cannot delete entire tree",
                                            "Attempt to delete entire tree",
@@ -2607,10 +2707,14 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                                        JOptionPane.ERROR_MESSAGE );
     }
 
-    final private Set<Integer> getCopiedAndPastedNodes() {
+    final private Set<Long> getCopiedAndPastedNodes() {
         return getMainPanel().getCopiedAndPastedNodes();
     }
 
+    final private Set<Long> getCurrentExternalNodes() {
+        return _current_external_nodes;
+    }
+
     final private Phylogeny getCutOrCopiedTree() {
         return getMainPanel().getCutOrCopiedTree();
     }
@@ -2754,6 +2858,10 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         }
     }
 
+    final private void increaseCurrentExternalNodesDataBufferChangeCounter() {
+        _current_external_nodes_data_buffer_change_counter++;
+    }
+
     final private void increaseOvSize() {
         if ( ( getOvMaxWidth() < ( getMainPanel().getCurrentScrollPane().getViewport().getVisibleRect().getWidth() / 2 ) )
                 && ( getOvMaxHeight() < ( getMainPanel().getCurrentScrollPane().getViewport().getVisibleRect()
@@ -2833,6 +2941,10 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         }
     }
 
+    final private boolean isInCurrentExternalNodes( final PhylogenyNode node ) {
+        return ( ( getCurrentExternalNodes() != null ) && getCurrentExternalNodes().contains( node.getId() ) );
+    }
+
     final private boolean isInFoundNodes( final PhylogenyNode node ) {
         return ( ( getFoundNodes() != null ) && getFoundNodes().contains( node.getId() ) );
     }
@@ -2884,7 +2996,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                 getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
             }
             else if ( ( e.getKeyCode() == KeyEvent.VK_SUBTRACT ) || ( e.getKeyCode() == KeyEvent.VK_MINUS ) ) {
-                getMainPanel().getTreeFontSet().decreaseFontSize();
+                getMainPanel().getTreeFontSet().decreaseFontSize( 1, false );
                 getMainPanel().getControlPanel().displayedPhylogenyMightHaveChanged( true );
             }
             else if ( plusPressed( e.getKeyCode() ) ) {
@@ -3116,6 +3228,8 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                 return "Sequence Symbols";
             case SEQUENCE_MOL_SEQ:
                 return "Molecular Sequences";
+            case SEQUENCE_MOL_SEQ_FASTA:
+                return "Molecular Sequences (Fasta)";
             case SEQUENCE_ACC:
                 return "Sequence Accessors";
             case TAXONOMY_SCIENTIFIC_NAME:
@@ -3446,7 +3560,8 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             }
         }
         if ( node.isExternal() ) {
-            paintNodeBox( x2, y2, node, g, to_pdf, to_graphics_file, isInFoundNodes( node ) );
+            paintNodeBox( x2, y2, node, g, to_pdf, to_graphics_file, isInFoundNodes( node )
+                    || isInCurrentExternalNodes( node ) );
         }
     }
 
@@ -3741,7 +3856,9 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             }
             final int box_size = getOptions().getDefaultNodeShapeSize();
             final int half_box_size = box_size / 2;
-            if ( getOptions().isShowDefaultNodeShapes() || ( getControlPanel().isEvents() && node.isHasAssignedEvent() ) ) {
+            if ( ( getOptions().isShowDefaultNodeShapesExternal() && node.isExternal() )
+                    || ( getOptions().isShowDefaultNodeShapesInternal() && node.isInternal() )
+                    || ( getControlPanel().isEvents() && node.isHasAssignedEvent() ) ) {
                 if ( getOptions().getDefaultNodeShape() == NodeShape.CIRCLE ) {
                     if ( getOptions().getDefaultNodeFill() == NodeFill.GRADIENT ) {
                         drawOvalGradient( x - half_box_size,
@@ -4035,22 +4152,6 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         }
     }
 
-    private String createAnnotationString( final SortedSet<Annotation> ann ) {
-        final StringBuilder sb = new StringBuilder();
-        boolean first = true;
-        for( Annotation a : ann ) {
-            if ( !first ) {
-                sb.append( "|" );
-            }
-            else {
-                first = false;
-            }
-            sb.append( a.asSimpleText() );
-        }
-        final String ann_str = sb.toString();
-        return ann_str;
-    }
-
     final private void paintNodeDataUnrootedCirc( final Graphics2D g,
                                                   final PhylogenyNode node,
                                                   final boolean to_pdf,
@@ -4196,7 +4297,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             }
             return;
         }
-        if ( isInFoundNodes( node ) ) {
+        if ( isInFoundNodes( node ) || isInCurrentExternalNodes( node ) ) {
             g.setColor( getTreeColorSet().getFoundColor() );
             drawRectFilled( node.getXSecondary() - 1, node.getYSecondary() - 1, 3, 3, g );
         }
@@ -4243,7 +4344,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                                              final boolean dynamically_hide,
                                              final int dynamic_hiding_factor,
                                              final boolean to_graphics_file ) {
-        final boolean is_in_found_nodes = isInFoundNodes( node );
+        final boolean is_in_found_nodes = isInFoundNodes( node ) || isInCurrentExternalNodes( node );
         if ( node.isCollapse() ) {
             if ( ( !node.isRoot() && !node.getParent().isCollapse() ) || node.isRoot() ) {
                 paintCollapsedNode( g, node, to_graphics_file, to_pdf, is_in_found_nodes );
@@ -4325,7 +4426,8 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                 child_node.setYcoord( y2 );
                 y2 += _y_distance * child_node.getNumberOfExternalNodes();
             }
-            paintNodeBox( node.getXcoord(), node.getYcoord(), node, g, to_pdf, to_graphics_file, isInFoundNodes( node ) );
+            paintNodeBox( node.getXcoord(), node.getYcoord(), node, g, to_pdf, to_graphics_file, isInFoundNodes( node )
+                    || isInCurrentExternalNodes( node ) );
         }
         if ( dynamically_hide
                 && !is_in_found_nodes
@@ -4463,16 +4565,11 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
     }
 
     final private void paintPhylogenyLite( final Graphics2D g ) {
-        //System.out.println( getVisibleRect().x + " " + getVisibleRect().y );
         _phylogeny
                 .getRoot()
                 .setXSecondary( ( float ) ( getVisibleRect().x + getOvXPosition() + ( MOVE / ( getVisibleRect().width / getOvRectangle()
                         .getWidth() ) ) ) );
         _phylogeny.getRoot().setYSecondary( ( getVisibleRect().y + getOvYStart() ) );
-        //final PhylogenyNodeIterator it;
-        //for( it = _phylogeny.iteratorPreorder(); it.hasNext(); ) {
-        //    paintNodeLite( g, it.next() );
-        //}
         for( final PhylogenyNode element : _nodes_in_preorder ) {
             paintNodeLite( g, element );
         }
@@ -4658,7 +4755,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                                        to_graphics_file,
                                        radial_labels,
                                        ( high_angle + low_angle ) / 2,
-                                       isInFoundNodes( n ) );
+                                       isInFoundNodes( n ) || isInCurrentExternalNodes( n ) );
             return;
         }
         final float num_enclosed = n.getNumberOfExternalNodes();
@@ -4706,7 +4803,8 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             current_angle += arc_size;
             assignGraphicsForBranchWithColorForParentBranch( desc, false, g, to_pdf, to_graphics_file );
             drawLine( x, y, new_x, new_y, g );
-            paintNodeBox( new_x, new_y, desc, g, to_pdf, to_graphics_file, isInFoundNodes( desc ) );
+            paintNodeBox( new_x, new_y, desc, g, to_pdf, to_graphics_file, isInFoundNodes( desc )
+                    || isInCurrentExternalNodes( desc ) );
         }
         if ( n.isRoot() ) {
             paintNodeBox( n.getXcoord(), n.getYcoord(), n, g, to_pdf, to_graphics_file, isInFoundNodes( n ) );
@@ -4752,7 +4850,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             final float new_y = ( float ) ( y + ( Math.sin( mid_angle ) * length ) );
             desc.setXSecondary( new_x );
             desc.setYSecondary( new_y );
-            if ( isInFoundNodes( desc ) ) {
+            if ( isInFoundNodes( desc ) || isInCurrentExternalNodes( desc ) ) {
                 g.setColor( getTreeColorSet().getFoundColor() );
                 drawRectFilled( desc.getXSecondary() - 1, desc.getYSecondary() - 1, 3, 3, g );
                 g.setColor( getTreeColorSet().getOvColor() );
@@ -4817,10 +4915,10 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
             }
         }
         if ( getCopiedAndPastedNodes() == null ) {
-            setCopiedAndPastedNodes( new HashSet<Integer>() );
+            setCopiedAndPastedNodes( new HashSet<Long>() );
         }
         final List<PhylogenyNode> nodes = PhylogenyMethods.obtainAllNodesAsList( buffer_phy );
-        final Set<Integer> node_ids = new HashSet<Integer>( nodes.size() );
+        final Set<Long> node_ids = new HashSet<Long>( nodes.size() );
         for( final PhylogenyNode n : nodes ) {
             node_ids.add( n.getId() );
         }
@@ -4860,7 +4958,7 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
         return sb;
     }
 
-    final private void setCopiedAndPastedNodes( final Set<Integer> nodeIds ) {
+    final private void setCopiedAndPastedNodes( final Set<Long> nodeIds ) {
         getMainPanel().setCopiedAndPastedNodes( nodeIds );
     }
 
@@ -4965,6 +5063,21 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                         data.add( n.getNodeData().getSequence().getMolecularSequence() );
                     }
                     break;
+                case SEQUENCE_MOL_SEQ_FASTA:
+                    final StringBuilder sb = new StringBuilder();
+                    if ( n.getNodeData().isHasSequence()
+                            && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getMolecularSequence() ) ) {
+                        if ( !ForesterUtil.isEmpty( n.getNodeData().getSequence().getName() ) ) {
+                            sb.append( SequenceWriter.toFasta( n.getNodeData().getSequence().getName(), n.getNodeData()
+                                    .getSequence().getMolecularSequence(), 60 ) );
+                        }
+                        else {
+                            sb.append( SequenceWriter.toFasta( n.getName(), n.getNodeData().getSequence()
+                                    .getMolecularSequence(), 60 ) );
+                        }
+                        data.add( sb.toString() );
+                    }
+                    break;
                 case SEQUENCE_ACC:
                     if ( n.getNodeData().isHasSequence() && ( n.getNodeData().getSequence().getAccession() != null )
                             && !ForesterUtil.isEmpty( n.getNodeData().getSequence().getAccession().toString() ) ) {
@@ -4991,40 +5104,53 @@ public final class TreePanel extends JPanel implements ActionListener, MouseWhee
                             + getOptions().getExtDescNodeDataToReturn() );
             }
         } // for loop
-        if ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.CONSOLE ) {
+        if ( ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.CONSOLE )
+                || ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.BUFFER_ONLY ) ) {
+            final StringBuilder sb = new StringBuilder();
             for( final String d : data ) {
                 if ( !ForesterUtil.isEmpty( d ) ) {
-                    System.out.println( d );
+                    if ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.CONSOLE ) {
+                        System.out.println( d );
+                    }
+                    sb.append( d );
+                    sb.append( ForesterUtil.LINE_SEPARATOR );
                 }
             }
+            if ( sb.length() < 1 ) {
+                clearCurrentExternalNodesDataBuffer();
+            }
+            else {
+                setCurrentExternalNodesDataBuffer( sb );
+            }
         }
         else if ( getConfiguration().getExtNodeDataReturnOn() == EXT_NODE_DATA_RETURN_ON.WINODW ) {
             final StringBuilder sb = new StringBuilder();
             for( final String d : data ) {
                 if ( !ForesterUtil.isEmpty( d ) ) {
                     sb.append( d );
-                    sb.append( "\n" );
+                    sb.append( ForesterUtil.LINE_SEPARATOR );
                 }
             }
             if ( sb.length() < 1 ) {
                 AptxUtil.showInformationMessage( this,
                                                  "No Appropriate Data (" + obtainTitleForExtDescNodeData() + ")",
                                                  "Descendants of selected node do not contain selected data" );
+                clearCurrentExternalNodesDataBuffer();
             }
             else {
+                setCurrentExternalNodesDataBuffer( sb );
                 final String title = "External Descendants "
                         + ( getOptions().getExtDescNodeDataToReturn() == NODE_DATA.UNKNOWN ? "Data"
                                 : obtainTitleForExtDescNodeData() ) + " (" + data.size() + "/"
                         + node.getNumberOfExternalNodes() + ") For Node " + node;
+                final String s = sb.toString().trim();
                 if ( getMainPanel().getMainFrame() == null ) {
                     // Must be "E" applet version.
                     final ArchaeopteryxE ae = ( ArchaeopteryxE ) ( ( MainPanelApplets ) getMainPanel() ).getApplet();
-                    final String s = sb.toString().trim();
                     ae.showTextFrame( s, title );
-                    ae.setCurrentExternalNodesDataBuffer( s );
                 }
                 else {
-                    getMainPanel().getMainFrame().showTextFrame( sb.toString(), title );
+                    getMainPanel().getMainFrame().showTextFrame( s, title );
                 }
             }
         }