JAL-1807 explicit imports (jalview.gui)
[jalview.git] / src / jalview / gui / FeatureSettings.java
index 4e9db60..30794df 100644 (file)
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.0b1)
- * Copyright (C) 2014 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
  * Jalview is free software: you can redistribute it and/or
  * modify it under the terms of the GNU General Public License 
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
  *  
  * Jalview is distributed in the hope that it will be useful, but 
  * WITHOUT ANY WARRANTY; without even the implied warranty 
  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
  * PURPOSE.  See the GNU General Public License for more details.
  * 
- * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
  * The Jalview Authors are detailed in the 'AUTHORS' file.
  */
 package jalview.gui;
 
-import java.io.*;
-import java.util.*;
-import java.util.List;
-
-import java.awt.*;
-import java.awt.event.*;
-import java.beans.PropertyChangeEvent;
-import java.beans.PropertyChangeListener;
-
-import javax.swing.*;
-import javax.swing.event.*;
-import javax.swing.table.*;
-
-import jalview.analysis.AlignmentSorter;
+import jalview.api.FeatureSettingsControllerI;
 import jalview.bin.Cache;
-import jalview.commands.OrderCommand;
-import jalview.datamodel.*;
-import jalview.io.*;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceI;
+import jalview.gui.Help.HelpId;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
 import jalview.schemes.AnnotationColourGradient;
 import jalview.schemes.GraduatedColor;
+import jalview.util.Format;
 import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.util.QuickSort;
+import jalview.viewmodel.AlignmentViewport;
+import jalview.ws.DasSequenceFeatureFetcher;
 import jalview.ws.dbsources.das.api.jalviewSourceI;
 
-public class FeatureSettings extends JPanel
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.GridLayout;
+import java.awt.Rectangle;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseMotionAdapter;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.util.Hashtable;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+import java.util.Vector;
+
+import javax.help.HelpSetException;
+import javax.swing.AbstractCellEditor;
+import javax.swing.BorderFactory;
+import javax.swing.Icon;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JColorChooser;
+import javax.swing.JDialog;
+import javax.swing.JInternalFrame;
+import javax.swing.JLabel;
+import javax.swing.JLayeredPane;
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+import javax.swing.JScrollPane;
+import javax.swing.JSlider;
+import javax.swing.JTabbedPane;
+import javax.swing.JTable;
+import javax.swing.ListSelectionModel;
+import javax.swing.SwingConstants;
+import javax.swing.SwingUtilities;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import javax.swing.table.AbstractTableModel;
+import javax.swing.table.TableCellEditor;
+import javax.swing.table.TableCellRenderer;
+
+public class FeatureSettings extends JPanel implements
+        FeatureSettingsControllerI
 {
   DasSourceBrowser dassourceBrowser;
 
-  jalview.ws.DasSequenceFeatureFetcher dasFeatureFetcher;
+  DasSequenceFeatureFetcher dasFeatureFetcher;
 
   JPanel settingsPane = new JPanel();
 
@@ -57,6 +111,8 @@ public class FeatureSettings extends JPanel
 
   Object[][] originalData;
 
+  private float originalTransparency;
+
   final JInternalFrame frame;
 
   JScrollPane scrollPane = new JScrollPane();
@@ -73,8 +129,8 @@ public class FeatureSettings extends JPanel
   {
     this.af = af;
     fr = af.getFeatureRenderer();
-
-    transparency.setMaximum(100 - (int) (fr.transparency * 100));
+    // allow transparency to be recovered
+    transparency.setMaximum(100 - (int) ((originalTransparency=fr.getTransparency()) * 100));
 
     try
     {
@@ -84,7 +140,19 @@ public class FeatureSettings extends JPanel
       ex.printStackTrace();
     }
 
-    table = new JTable();
+    table = new JTable() {
+      @Override
+      public String getToolTipText(MouseEvent e) {
+        if (table.columnAtPoint(e.getPoint()) == 0) {
+          /*
+           * Tooltip for feature name only
+           */
+          return JvSwingUtils.wrapTooltip(true,
+                MessageManager.getString("label.feature_settings_click_drag"));
+        }
+        return null;
+      }
+    };
     table.getTableHeader().setFont(new Font("Verdana", Font.PLAIN, 12));
     table.setFont(new Font("Verdana", Font.PLAIN, 12));
     table.setDefaultRenderer(Color.class, new ColorRenderer());
@@ -100,10 +168,31 @@ public class FeatureSettings extends JPanel
       public void mousePressed(MouseEvent evt)
       {
         selectedRow = table.rowAtPoint(evt.getPoint());
-        if (javax.swing.SwingUtilities.isRightMouseButton(evt))
+        if (SwingUtilities.isRightMouseButton(evt))
         {
           popupSort(selectedRow, (String) table.getValueAt(selectedRow, 0),
-                  table.getValueAt(selectedRow, 1), fr.minmax, evt.getX(),
+                  table.getValueAt(selectedRow, 1), fr.getMinMax(),
+                  evt.getX(), evt.getY());
+        }
+        else if (evt.getClickCount() == 2)
+        {
+          fr.ap.alignFrame.avc.markColumnsContainingFeatures(
+                  evt.isAltDown(), evt.isShiftDown() || evt.isMetaDown(),
+                  evt.isMetaDown(),
+                  (String) table.getValueAt(selectedRow, 0));
+        }
+      }
+
+      // isPopupTrigger fires on mouseReleased on Mac
+      @Override
+      public void mouseReleased(MouseEvent evt)
+      {
+        selectedRow = table.rowAtPoint(evt.getPoint());
+        if (evt.isPopupTrigger())
+        {
+          popupSort(selectedRow, (String) table.getValueAt(selectedRow, 0),
+                  table.getValueAt(selectedRow, 1), fr.getMinMax(),
+                  evt.getX(),
                   evt.getY());
         }
       }
@@ -133,19 +222,19 @@ public class FeatureSettings extends JPanel
         }
       }
     });
-
+//    table.setToolTipText(JvSwingUtils.wrapTooltip(true,
+//            MessageManager.getString("label.feature_settings_click_drag")));
     scrollPane.setViewportView(table);
 
     dassourceBrowser = new DasSourceBrowser(this);
     dasSettingsPane.add(dassourceBrowser, BorderLayout.CENTER);
 
-    if (af.getViewport().featuresDisplayed == null
-            || fr.renderOrder == null)
+    if (af.getViewport().isShowSequenceFeatures() || !fr.hasRenderOrder())
     {
       fr.findAllFeatures(true); // display everything!
     }
 
-    setTableData();
+    discoverAllFeatureData();
     final PropertyChangeListener change;
     final FeatureSettings fs = this;
     fr.addPropertyChangeListener(change = new PropertyChangeListener()
@@ -165,13 +254,17 @@ public class FeatureSettings extends JPanel
 
     frame = new JInternalFrame();
     frame.setContentPane(this);
-    if (new jalview.util.Platform().isAMac())
+    if (Platform.isAMac())
     {
-      Desktop.addInternalFrame(frame, "Sequence Feature Settings", 475, 480);
+      Desktop.addInternalFrame(frame,
+              MessageManager.getString("label.sequence_feature_settings"),
+              475, 480);
     }
     else
     {
-      Desktop.addInternalFrame(frame, "Sequence Feature Settings", 400, 450);
+      Desktop.addInternalFrame(frame,
+              MessageManager.getString("label.sequence_feature_settings"),
+              400, 450);
     }
 
     frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
@@ -189,8 +282,11 @@ public class FeatureSettings extends JPanel
   protected void popupSort(final int selectedRow, final String type,
           final Object typeCol, final Hashtable minmax, int x, int y)
   {
-    JPopupMenu men = new JPopupMenu("Settings for " + type);
-    JMenuItem scr = new JMenuItem("Sort by Score");
+    JPopupMenu men = new JPopupMenu(MessageManager.formatMessage(
+            "label.settings_for_param", new String[]
+            { type }));
+    JMenuItem scr = new JMenuItem(
+            MessageManager.getString("label.sort_by_score"));
     men.add(scr);
     final FeatureSettings me = this;
     scr.addActionListener(new ActionListener()
@@ -198,18 +294,19 @@ public class FeatureSettings extends JPanel
 
       public void actionPerformed(ActionEvent e)
       {
-        me.sortByScore(new String[]
+        me.af.avc.sortAlignmentByFeatureScore(new String[]
         { type });
       }
 
     });
-    JMenuItem dens = new JMenuItem("Sort by Density");
+    JMenuItem dens = new JMenuItem(
+            MessageManager.getString("label.sort_by_density"));
     dens.addActionListener(new ActionListener()
     {
 
       public void actionPerformed(ActionEvent e)
       {
-        me.sortByDens(new String[]
+        me.af.avc.sortAlignmentByFeatureDensity(new String[]
         { type });
       }
 
@@ -292,6 +389,32 @@ public class FeatureSettings extends JPanel
         });
       }
     }
+    JMenuItem selCols = new JMenuItem(
+            MessageManager.getString("label.select_columns_containing"));
+    selCols.addActionListener(new ActionListener()
+    {
+
+      @Override
+      public void actionPerformed(ActionEvent arg0)
+      {
+        fr.ap.alignFrame.avc.markColumnsContainingFeatures(false, false,
+                false, type);
+      }
+    });
+    JMenuItem clearCols = new JMenuItem(
+            MessageManager.getString("label.select_columns_not_containing"));
+    clearCols.addActionListener(new ActionListener()
+    {
+
+      @Override
+      public void actionPerformed(ActionEvent arg0)
+      {
+        fr.ap.alignFrame.avc.markColumnsContainingFeatures(true, false,
+                false, type);
+      }
+    });
+    men.add(selCols);
+    men.add(clearCols);
     men.show(table, x, y);
   }
 
@@ -305,27 +428,22 @@ public class FeatureSettings extends JPanel
    */
   Hashtable typeWidth = null;
 
-  synchronized public void setTableData()
+  @Override
+  synchronized public void discoverAllFeatureData()
   {
-    if (fr.featureGroups == null)
-    {
-      fr.featureGroups = new Hashtable();
-    }
     Vector allFeatures = new Vector();
     Vector allGroups = new Vector();
     SequenceFeature[] tmpfeatures;
     String group;
     for (int i = 0; i < af.getViewport().getAlignment().getHeight(); i++)
     {
-      if (af.getViewport().getAlignment().getSequenceAt(i)
-              .getDatasetSequence().getSequenceFeatures() == null)
+      tmpfeatures = af.getViewport().getAlignment().getSequenceAt(i)
+              .getSequenceFeatures();
+      if (tmpfeatures == null)
       {
         continue;
       }
 
-      tmpfeatures = af.getViewport().getAlignment().getSequenceAt(i)
-              .getDatasetSequence().getSequenceFeatures();
-
       int index = 0;
       while (index < tmpfeatures.length)
       {
@@ -341,10 +459,7 @@ public class FeatureSettings extends JPanel
           if (!allGroups.contains(group))
           {
             allGroups.addElement(group);
-            if (group != null)
-            {
-              checkGroupState(group);
-            }
+            checkGroupState(group);
           }
         }
 
@@ -362,21 +477,14 @@ public class FeatureSettings extends JPanel
   }
 
   /**
+   * Synchronise gui group list and check visibility of group
    * 
    * @param group
-   * @return true if group has been seen before and is already added to set.
+   * @return true if group is visible
    */
   private boolean checkGroupState(String group)
   {
-    boolean visible;
-    if (fr.featureGroups.containsKey(group))
-    {
-      visible = ((Boolean) fr.featureGroups.get(group)).booleanValue();
-    }
-    else
-    {
-      visible = true; // new group is always made visible
-    }
+    boolean visible = fr.checkGroupVisibility(group, true);
 
     if (groupPanel == null)
     {
@@ -397,10 +505,8 @@ public class FeatureSettings extends JPanel
     if (alreadyAdded)
     {
 
-      return true;
+      return visible;
     }
-
-    fr.featureGroups.put(group, new Boolean(visible));
     final String grp = group;
     final JCheckBox check = new JCheckBox(group, visible);
     check.setFont(new Font("Serif", Font.BOLD, 12));
@@ -408,9 +514,8 @@ public class FeatureSettings extends JPanel
     {
       public void itemStateChanged(ItemEvent evt)
       {
-        fr.featureGroups.put(check.getText(),
-                new Boolean(check.isSelected()));
-        af.alignPanel.seqPanel.seqCanvas.repaint();
+        fr.setGroupVisibility(check.getText(), check.isSelected());
+        af.alignPanel.getSeqPanel().seqCanvas.repaint();
         if (af.alignPanel.overviewPanel != null)
         {
           af.alignPanel.overviewPanel.updateOverviewImage();
@@ -421,7 +526,7 @@ public class FeatureSettings extends JPanel
       }
     });
     groupPanel.add(check);
-    return false;
+    return visible;
   }
 
   boolean resettingTable = false;
@@ -448,7 +553,7 @@ public class FeatureSettings extends JPanel
     {
 
       tmpfeatures = af.getViewport().getAlignment().getSequenceAt(i)
-              .getDatasetSequence().getSequenceFeatures();
+              .getSequenceFeatures();
       if (tmpfeatures == null)
       {
         continue;
@@ -465,11 +570,8 @@ public class FeatureSettings extends JPanel
           continue;
         }
 
-        if (group == null || fr.featureGroups.get(group) == null
-                || ((Boolean) fr.featureGroups.get(group)).booleanValue())
+        if (group == null || checkGroupState(group))
         {
-          if (group != null)
-            checkGroupState(group);
           type = tmpfeatures[index].getType();
           if (!visibleChecks.contains(type))
           {
@@ -504,17 +606,20 @@ public class FeatureSettings extends JPanel
     Object[][] data = new Object[fSize][3];
     int dataIndex = 0;
 
-    if (fr.renderOrder != null)
+    if (fr.hasRenderOrder())
     {
       if (!handlingUpdate)
+      {
         fr.findAllFeatures(groupChanged != null); // prod to update
-      // colourschemes. but don't
-      // affect display
-      // First add the checks in the previous render order,
-      // in case the window has been closed and reopened
-      for (int ro = fr.renderOrder.length - 1; ro > -1; ro--)
+        // colourschemes. but don't
+        // affect display
+        // First add the checks in the previous render order,
+        // in case the window has been closed and reopened
+      }
+      List<String> frl = fr.getRenderOrder();
+      for (int ro = frl.size() - 1; ro > -1; ro--)
       {
-        type = fr.renderOrder[ro];
+        type = frl.get(ro);
 
         if (!visibleChecks.contains(type))
         {
@@ -523,8 +628,8 @@ public class FeatureSettings extends JPanel
 
         data[dataIndex][0] = type;
         data[dataIndex][1] = fr.getFeatureStyle(type);
-        data[dataIndex][2] = new Boolean(
-                af.getViewport().featuresDisplayed.containsKey(type));
+        data[dataIndex][2] = new Boolean(af.getViewport()
+                .getFeaturesDisplayed().isVisible(type));
         dataIndex++;
         visibleChecks.removeElement(type);
       }
@@ -542,7 +647,7 @@ public class FeatureSettings extends JPanel
       if (data[dataIndex][1] == null)
       {
         // "Colour has been updated in another view!!"
-        fr.renderOrder = null;
+        fr.clearRenderOrder();
         return;
       }
 
@@ -564,8 +669,8 @@ public class FeatureSettings extends JPanel
 
     if (groupPanel != null)
     {
-      groupPanel.setLayout(new GridLayout(fr.featureGroups.size() / 4 + 1,
-              4));
+      groupPanel.setLayout(new GridLayout(
+              fr.getFeatureGroupsSize() / 4 + 1, 4));
 
       groupPanel.validate();
       bigPanel.add(groupPanel, BorderLayout.NORTH);
@@ -588,23 +693,29 @@ public class FeatureSettings extends JPanel
     {
       order[i] = fr.getOrder(data[i][0].toString());
       if (order[i] < 0)
+      {
         order[i] = fr.setOrder(data[i][0].toString(), i / order.length);
+      }
       if (i > 1)
+      {
         sort = sort || order[i - 1] > order[i];
+      }
     }
     if (sort)
-      jalview.util.QuickSort.sort(order, data);
+    {
+      QuickSort.sortFloat(order, data);
+    }
   }
 
   void load()
   {
     JalviewFileChooser chooser = new JalviewFileChooser(
-            jalview.bin.Cache.getProperty("LAST_DIRECTORY"), new String[]
+            Cache.getProperty("LAST_DIRECTORY"), new String[]
             { "fc" }, new String[]
             { "Sequence Feature Colours" }, "Sequence Feature Colours");
-    chooser.setFileView(new jalview.io.JalviewFileView());
-    chooser.setDialogTitle("Load Feature Colours");
-    chooser.setToolTipText("Load");
+    chooser.setFileView(new JalviewFileView());
+    chooser.setDialogTitle(MessageManager.getString("label.load_feature_colours"));
+    chooser.setToolTipText(MessageManager.getString("action.load"));
 
     int value = chooser.showOpenDialog(this);
 
@@ -618,7 +729,7 @@ public class FeatureSettings extends JPanel
                 file), "UTF-8");
 
         jalview.schemabinding.version2.JalviewUserColours jucs = new jalview.schemabinding.version2.JalviewUserColours();
-        jucs = (jalview.schemabinding.version2.JalviewUserColours) jucs
+        jucs = jucs
                 .unmarshal(in);
 
         for (int i = jucs.getColourCount() - 1; i >= 0; i--)
@@ -697,12 +808,12 @@ public class FeatureSettings extends JPanel
   void save()
   {
     JalviewFileChooser chooser = new JalviewFileChooser(
-            jalview.bin.Cache.getProperty("LAST_DIRECTORY"), new String[]
+            Cache.getProperty("LAST_DIRECTORY"), new String[]
             { "fc" }, new String[]
             { "Sequence Feature Colours" }, "Sequence Feature Colours");
-    chooser.setFileView(new jalview.io.JalviewFileView());
-    chooser.setDialogTitle("Save Feature Colour Scheme");
-    chooser.setToolTipText("Save");
+    chooser.setFileView(new JalviewFileView());
+    chooser.setDialogTitle(MessageManager.getString("label.save_feature_colours"));
+    chooser.setToolTipText(MessageManager.getString("action.save"));
 
     int value = chooser.showSaveDialog(this);
 
@@ -716,9 +827,10 @@ public class FeatureSettings extends JPanel
         PrintWriter out = new PrintWriter(new OutputStreamWriter(
                 new FileOutputStream(choice), "UTF-8"));
 
-        Iterator e = fr.featureColours.keySet().iterator();
-        float[] sortOrder = new float[fr.featureColours.size()];
-        String[] sortTypes = new String[fr.featureColours.size()];
+        Set fr_colours = fr.getAllFeatureColours();
+        Iterator e = fr_colours.iterator();
+        float[] sortOrder = new float[fr_colours.size()];
+        String[] sortTypes = new String[fr_colours.size()];
         int i = 0;
         while (e.hasNext())
         {
@@ -726,7 +838,7 @@ public class FeatureSettings extends JPanel
           sortOrder[i] = fr.getOrder(sortTypes[i]);
           i++;
         }
-        jalview.util.QuickSort.sort(sortOrder, sortTypes);
+        QuickSort.sortFloat(sortOrder, sortTypes);
         sortOrder = null;
         Object fcol;
         GraduatedColor gcol;
@@ -734,7 +846,7 @@ public class FeatureSettings extends JPanel
         {
           jalview.schemabinding.version2.Colour col = new jalview.schemabinding.version2.Colour();
           col.setName(sortTypes[i]);
-          col.setRGB(jalview.util.Format.getHexString(fr.getColour(col
+          col.setRGB(Format.getHexString(fr.getColour(col
                   .getName())));
           fcol = fr.getFeatureStyle(sortTypes[i]);
           if (fcol instanceof GraduatedColor)
@@ -742,7 +854,7 @@ public class FeatureSettings extends JPanel
             gcol = (GraduatedColor) fcol;
             col.setMin(gcol.getMin());
             col.setMax(gcol.getMax());
-            col.setMinRGB(jalview.util.Format.getHexString(gcol
+            col.setMinRGB(Format.getHexString(gcol
                     .getMinColor()));
             col.setAutoScale(gcol.isAutoScale());
             col.setThreshold(gcol.getThresh());
@@ -784,7 +896,9 @@ public class FeatureSettings extends JPanel
   public void orderByAvWidth()
   {
     if (table == null || table.getModel() == null)
+    {
       return;
+    }
     Object[][] data = ((FeatureTableModel) table.getModel()).getData();
     float[] width = new float[data.length];
     float[] awidth;
@@ -806,7 +920,9 @@ public class FeatureSettings extends JPanel
         width[i] = 0;
       }
       if (max < width[i])
+      {
         max = width[i];
+      }
     }
     boolean sort = false;
     for (int i = 0; i < width.length; i++)
@@ -826,11 +942,15 @@ public class FeatureSettings extends JPanel
         fr.setOrder(data[i][0].toString(), width[i]); // store for later
       }
       if (i > 0)
+      {
         sort = sort || width[i - 1] > width[i];
+      }
     }
     if (sort)
-      jalview.util.QuickSort.sort(width, data);
+     {
+      QuickSort.sortFloat(width, data);
     // update global priority order
+    }
 
     updateFeatureRenderer(data, false);
     table.repaint();
@@ -898,7 +1018,9 @@ public class FeatureSettings extends JPanel
 
   JButton sortByDens = new JButton();
 
-  JPanel transbuttons = new JPanel(new GridLayout(4, 1));
+  JButton help = new JButton();
+
+  JPanel transbuttons = new JPanel(new GridLayout(5, 1));
 
   private void jbInit() throws Exception
   {
@@ -925,21 +1047,53 @@ public class FeatureSettings extends JPanel
       }
     });
     sortByScore.setFont(JvSwingUtils.getLabelFont());
-    sortByScore.setText(MessageManager.getString("label.seq_sort_by_score"));
+    sortByScore
+            .setText(MessageManager.getString("label.seq_sort_by_score"));
     sortByScore.addActionListener(new ActionListener()
     {
       public void actionPerformed(ActionEvent e)
       {
-        sortByScore(null);
+        af.avc.sortAlignmentByFeatureScore(null);
       }
     });
     sortByDens.setFont(JvSwingUtils.getLabelFont());
-    sortByDens.setText("Seq Sort by density");
+    sortByDens.setText(MessageManager
+            .getString("label.sequence_sort_by_density"));
     sortByDens.addActionListener(new ActionListener()
     {
       public void actionPerformed(ActionEvent e)
       {
-        sortByDens(null);
+        af.avc.sortAlignmentByFeatureDensity(null);
+      }
+    });
+    help.setFont(JvSwingUtils.getLabelFont());
+    help.setText(MessageManager.getString("action.help"));
+    help.addActionListener(new ActionListener()
+    {
+      public void actionPerformed(ActionEvent e)
+      {
+        try
+        {
+          Help.showHelpWindow(HelpId.SequenceFeatureSettings);
+        } catch (HelpSetException e1)
+        {
+          e1.printStackTrace();
+        }
+      }
+    });
+    help.setFont(JvSwingUtils.getLabelFont());
+    help.setText(MessageManager.getString("action.help"));
+    help.addActionListener(new ActionListener()
+    {
+      public void actionPerformed(ActionEvent e)
+      {
+        try
+        {
+          Help.showHelpWindow(HelpId.SequenceFeatureSettings);
+        } catch (HelpSetException e1)
+        {
+          e1.printStackTrace();
+        }
       }
     });
     cancel.setFont(JvSwingUtils.getLabelFont());
@@ -948,6 +1102,7 @@ public class FeatureSettings extends JPanel
     {
       public void actionPerformed(ActionEvent e)
       {
+        fr.setTransparency(originalTransparency);
         updateFeatureRenderer(originalData);
         close();
       }
@@ -983,12 +1138,14 @@ public class FeatureSettings extends JPanel
     {
       public void stateChanged(ChangeEvent evt)
       {
-        fr.setTransparency((float) (100 - transparency.getValue()) / 100f);
+        fr.setTransparency((100 - transparency.getValue()) / 100f);
         af.alignPanel.paintAlignment(true);
       }
     });
 
     transparency.setMaximum(70);
+    transparency.setToolTipText(MessageManager
+            .getString("label.transparency_tip"));
     fetchDAS.setText(MessageManager.getString("label.fetch_das_features"));
     fetchDAS.addActionListener(new ActionListener()
     {
@@ -1017,13 +1174,16 @@ public class FeatureSettings extends JPanel
       }
     });
     this.add(tabbedPane, java.awt.BorderLayout.CENTER);
-    tabbedPane.addTab("Feature Settings", settingsPane);
-    tabbedPane.addTab("DAS Settings", dasSettingsPane);
+    tabbedPane.addTab(MessageManager.getString("label.feature_settings"), settingsPane);
+    tabbedPane.addTab(MessageManager.getString("label.das_settings"), dasSettingsPane);
     bigPanel.add(transPanel, java.awt.BorderLayout.SOUTH);
     transbuttons.add(optimizeOrder);
     transbuttons.add(invert);
     transbuttons.add(sortByScore);
     transbuttons.add(sortByDens);
+    transbuttons.add(help);
+    JPanel sliderPanel = new JPanel();
+    sliderPanel.add(transparency);
     transPanel.add(transparency);
     transPanel.add(transbuttons);
     buttonPanel.add(ok);
@@ -1039,130 +1199,6 @@ public class FeatureSettings extends JPanel
     settingsPane.add(buttonPanel, java.awt.BorderLayout.SOUTH);
   }
 
-  protected void sortByDens(String[] typ)
-  {
-    sortBy(typ, "Sort by Density", AlignmentSorter.FEATURE_DENSITY);
-  }
-
-  protected void sortBy(String[] typ, String methodText, final String method)
-  {
-    if (typ == null)
-    {
-      typ = getDisplayedFeatureTypes();
-    }
-    String gps[] = null;
-    gps = getDisplayedFeatureGroups();
-    if (typ != null)
-    {
-      ArrayList types = new ArrayList();
-      for (int i = 0; i < typ.length; i++)
-      {
-        if (typ[i] != null)
-        {
-          types.add(typ[i]);
-        }
-        typ = new String[types.size()];
-        types.toArray(typ);
-      }
-    }
-    if (gps != null)
-    {
-      ArrayList grps = new ArrayList();
-
-      for (int i = 0; i < gps.length; i++)
-      {
-        if (gps[i] != null)
-        {
-          grps.add(gps[i]);
-        }
-      }
-      gps = new String[grps.size()];
-      grps.toArray(gps);
-    }
-    AlignmentPanel alignPanel = af.alignPanel;
-    AlignmentI al = alignPanel.av.getAlignment();
-
-    int start, stop;
-    SequenceGroup sg = alignPanel.av.getSelectionGroup();
-    if (sg != null)
-    {
-      start = sg.getStartRes();
-      stop = sg.getEndRes();
-    }
-    else
-    {
-      start = 0;
-      stop = al.getWidth();
-    }
-    SequenceI[] oldOrder = al.getSequencesArray();
-    AlignmentSorter.sortByFeature(typ, gps, start, stop, al, method);
-    af.addHistoryItem(new OrderCommand(methodText, oldOrder, alignPanel.av
-            .getAlignment()));
-    alignPanel.paintAlignment(true);
-
-  }
-
-  protected void sortByScore(String[] typ)
-  {
-    sortBy(typ, "Sort by Feature Score", AlignmentSorter.FEATURE_SCORE);
-  }
-
-  private String[] getDisplayedFeatureTypes()
-  {
-    String[] typ = null;
-    if (fr != null)
-    {
-      synchronized (fr.renderOrder)
-      {
-        typ = new String[fr.renderOrder.length];
-        System.arraycopy(fr.renderOrder, 0, typ, 0, typ.length);
-        for (int i = 0; i < typ.length; i++)
-        {
-          if (af.viewport.featuresDisplayed.get(typ[i]) == null)
-          {
-            typ[i] = null;
-          }
-        }
-      }
-    }
-    return typ;
-  }
-
-  private String[] getDisplayedFeatureGroups()
-  {
-    String[] gps = null;
-    if (fr != null)
-    {
-
-      if (fr.featureGroups != null)
-      {
-        Iterator en = fr.featureGroups.keySet().iterator();
-        gps = new String[fr.featureColours.size()];
-        int g = 0;
-        boolean valid = false;
-        while (en.hasNext())
-        {
-          String gp = (String) en.next();
-          Boolean on = (Boolean) fr.featureGroups.get(gp);
-          if (on != null && on.booleanValue())
-          {
-            valid = true;
-            gps[g++] = gp;
-          }
-        }
-        while (g < gps.length)
-        {
-          gps[g++] = null;
-        }
-        if (!valid)
-        {
-          return null;
-        }
-      }
-    }
-    return gps;
-  }
-
   public void fetchDAS_actionPerformed(ActionEvent e)
   {
     fetchDAS.setEnabled(false);
@@ -1184,7 +1220,7 @@ public class FeatureSettings extends JPanel
   {
     SequenceI[] dataset, seqs;
     int iSize;
-    AlignViewport vp = af.getViewport();
+    AlignmentViewport vp = af.getViewport();
     if (vp.getSelectionGroup() != null
             && vp.getSelectionGroup().getSize() > 0)
     {
@@ -1205,7 +1241,7 @@ public class FeatureSettings extends JPanel
     }
 
     cancelDAS.setEnabled(true);
-    dasFeatureFetcher = new jalview.ws.DasSequenceFeatureFetcher(dataset,
+    dasFeatureFetcher = new DasSequenceFeatureFetcher(dataset,
             this, selectedSources, checkDbRefs, promptFetchDbRefs);
     af.getViewport().setShowSequenceFeatures(true);
     af.showSeqFeatures.setSelected(true);
@@ -1289,7 +1325,7 @@ public class FeatureSettings extends JPanel
   public void saveDAS_actionPerformed(ActionEvent e)
   {
     dassourceBrowser
-            .saveProperties(jalview.bin.Cache.applicationProperties);
+            .saveProperties(Cache.applicationProperties);
   }
 
   public void complete()
@@ -1312,10 +1348,15 @@ public class FeatureSettings extends JPanel
   public void noDasSourceActive()
   {
     complete();
-    JOptionPane.showInternalConfirmDialog(Desktop.desktop,
-            MessageManager.getString("label.no_das_sources_selected_warn"),
-            MessageManager.getString("label.no_das_sources_selected_title"), JOptionPane.DEFAULT_OPTION,
-            JOptionPane.INFORMATION_MESSAGE);
+    JOptionPane
+            .showInternalConfirmDialog(
+                    Desktop.desktop,
+                    MessageManager
+                            .getString("label.no_das_sources_selected_warn"),
+                    MessageManager
+                            .getString("label.no_das_sources_selected_title"),
+                    JOptionPane.DEFAULT_OPTION,
+                    JOptionPane.INFORMATION_MESSAGE);
   }
 
   // ///////////////////////////////////////////////////////////////////////
@@ -1329,7 +1370,7 @@ public class FeatureSettings extends JPanel
     }
 
     private String[] columnNames =
-    { "Feature Type", "Colour", "Display" };
+    { MessageManager.getString("label.feature_type"), MessageManager.getString("action.colour"), MessageManager.getString("label.display") };
 
     private Object[][] data;