3253-omnibus save
[jalview.git] / src / jalview / gui / FeatureSettings.java
index ddadd6d..9ffcaee 100644 (file)
  */
 package jalview.gui;
 
-import jalview.api.FeatureColourI;
-import jalview.api.FeatureSettingsControllerI;
-import jalview.datamodel.AlignmentI;
-import jalview.datamodel.SequenceI;
-import jalview.datamodel.features.FeatureMatcher;
-import jalview.datamodel.features.FeatureMatcherI;
-import jalview.datamodel.features.FeatureMatcherSet;
-import jalview.datamodel.features.FeatureMatcherSetI;
-import jalview.gui.Help.HelpId;
-import jalview.gui.JalviewColourChooser.ColourChooserListener;
-import jalview.io.JalviewFileChooser;
-import jalview.io.JalviewFileView;
-import jalview.schemes.FeatureColour;
-import jalview.util.MessageManager;
-import jalview.util.Platform;
-import jalview.viewmodel.seqfeatures.FeatureRendererModel.FeatureSettingsBean;
-import jalview.xml.binding.jalview.JalviewUserColours;
-import jalview.xml.binding.jalview.JalviewUserColours.Colour;
-import jalview.xml.binding.jalview.JalviewUserColours.Filter;
-import jalview.xml.binding.jalview.ObjectFactory;
-
 import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Dimension;
+import java.awt.FlowLayout;
 import java.awt.Font;
 import java.awt.Graphics;
 import java.awt.GridLayout;
@@ -108,8 +88,35 @@ import javax.xml.bind.Marshaller;
 import javax.xml.stream.XMLInputFactory;
 import javax.xml.stream.XMLStreamReader;
 
+import jalview.api.AlignViewControllerGuiI;
+import jalview.api.AlignViewportI;
+import jalview.api.FeatureColourI;
+import jalview.api.FeatureSettingsControllerI;
+import jalview.api.SplitContainerI;
+import jalview.api.ViewStyleI;
+import jalview.controller.FeatureSettingsControllerGuiI;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.SequenceI;
+import jalview.datamodel.features.FeatureMatcher;
+import jalview.datamodel.features.FeatureMatcherI;
+import jalview.datamodel.features.FeatureMatcherSet;
+import jalview.datamodel.features.FeatureMatcherSetI;
+import jalview.gui.Help.HelpId;
+import jalview.gui.JalviewColourChooser.ColourChooserListener;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.schemes.FeatureColour;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.viewmodel.seqfeatures.FeatureRendererModel.FeatureSettingsBean;
+import jalview.viewmodel.styles.ViewStyle;
+import jalview.xml.binding.jalview.JalviewUserColours;
+import jalview.xml.binding.jalview.JalviewUserColours.Colour;
+import jalview.xml.binding.jalview.JalviewUserColours.Filter;
+import jalview.xml.binding.jalview.ObjectFactory;
+
 public class FeatureSettings extends JPanel
-        implements FeatureSettingsControllerI
+        implements FeatureSettingsControllerI, FeatureSettingsControllerGuiI
 {
   private static final String SEQUENCE_FEATURE_COLOURS = MessageManager
           .getString("label.sequence_feature_colours");
@@ -145,7 +152,9 @@ public class FeatureSettings extends JPanel
 
   float originalTransparency;
 
-  Map<String, FeatureMatcherSetI> originalFilters;
+  private ViewStyleI originalViewStyle;
+
+  private Map<String, FeatureMatcherSetI> originalFilters;
 
   final JInternalFrame frame;
 
@@ -157,6 +166,10 @@ public class FeatureSettings extends JPanel
 
   JSlider transparency = new JSlider();
 
+  private JCheckBox showComplementOnTop;
+
+  private JCheckBox showComplement;
+
   /*
    * when true, constructor is still executing - so ignore UI events
    */
@@ -172,10 +185,36 @@ public class FeatureSettings extends JPanel
   boolean handlingUpdate = false;
 
   /*
+   * a change listener to ensure the dialog is updated if
+   * FeatureRenderer discovers new features
+   */
+  private PropertyChangeListener change;
+
+  /*
    * holds {featureCount, totalExtent} for each feature type
    */
   Map<String, float[]> typeWidth = null;
 
+  private void storeOriginalSettings()
+  {
+    // save transparency for restore on Cancel
+    originalTransparency = fr.getTransparency();
+
+    updateTransparencySliderFromFR();
+
+    originalFilters = new HashMap<>(fr.getFeatureFilters()); // shallow copy
+    originalViewStyle = new ViewStyle(af.viewport.getViewStyle());
+  }
+
+  private void updateTransparencySliderFromFR()
+  {
+    boolean incon = inConstruction;
+    inConstruction = true;
+
+    int transparencyAsPercent = (int) (fr.getTransparency() * 100);
+    transparency.setValue(100 - transparencyAsPercent);
+    inConstruction = incon;
+  }
   /**
    * Constructor
    * 
@@ -186,12 +225,7 @@ public class FeatureSettings extends JPanel
     this.af = alignFrame;
     fr = af.getFeatureRenderer();
 
-    // save transparency for restore on Cancel
-    originalTransparency = fr.getTransparency();
-    int originalTransparencyAsPercent = (int) (originalTransparency * 100);
-    transparency.setMaximum(100 - originalTransparencyAsPercent);
-
-    originalFilters = new HashMap<>(fr.getFeatureFilters()); // shallow copy
+    storeOriginalSettings();
 
     try
     {
@@ -277,20 +311,23 @@ public class FeatureSettings extends JPanel
       @Override
       public void mousePressed(MouseEvent evt)
       {
-        selectedRow = table.rowAtPoint(evt.getPoint());
+        Point pt = evt.getPoint();
+        selectedRow = table.rowAtPoint(pt);
         String type = (String) table.getValueAt(selectedRow, TYPE_COLUMN);
         if (evt.isPopupTrigger())
         {
           Object colour = table.getValueAt(selectedRow, COLOUR_COLUMN);
           showPopupMenu(selectedRow, type, colour, evt.getPoint());
         }
-        else if (evt.getClickCount() == 2)
+        else if (evt.getClickCount() == 2
+                && table.columnAtPoint(pt) == TYPE_COLUMN)
         {
           boolean invertSelection = evt.isAltDown();
           boolean toggleSelection = Platform.isControlDown(evt);
           boolean extendSelection = evt.isShiftDown();
           fr.ap.alignFrame.avc.markColumnsContainingFeatures(
                   invertSelection, extendSelection, toggleSelection, type);
+          fr.ap.av.sendSelection();
         }
       }
 
@@ -346,7 +383,6 @@ public class FeatureSettings extends JPanel
     }
 
     discoverAllFeatureData();
-    final PropertyChangeListener change;
     final FeatureSettings fs = this;
     fr.addPropertyChangeListener(change = new PropertyChangeListener()
     {
@@ -364,11 +400,47 @@ public class FeatureSettings extends JPanel
 
     });
 
+    SplitContainerI splitframe = af.getSplitViewContainer();
+    if (splitframe != null)
+    {
+      frame = null; // keeps eclipse happy
+      splitframe.addFeatureSettingsUI(this);
+    }
+    else
+    {
     frame = new JInternalFrame();
     frame.setContentPane(this);
-    Desktop.addInternalFrame(frame,
-            MessageManager.getString("label.sequence_feature_settings"),
-            600, Platform.isAMacAndNotJS() ? 480 : 450);
+      Rectangle bounds = af.getFeatureSettingsGeometry();
+      String title;
+      if (af.getAlignPanels().size() > 1 || Desktop.getAlignmentPanels(
+              af.alignPanel.av.getSequenceSetId()).length > 1)
+      {
+        title = MessageManager.formatMessage(
+                "label.sequence_feature_settings_for_view",
+                af.alignPanel.getViewName());
+      }
+      else
+      {
+        title = MessageManager.getString("label.sequence_feature_settings");
+      }
+      if (bounds == null)
+      {
+        if (Platform.isAMacAndNotJS())
+        {
+          Desktop.addInternalFrame(frame, title, 600, 480);
+        }
+        else
+        {
+          Desktop.addInternalFrame(frame, title, 600, 450);
+        }
+      }
+      else
+      {
+        Desktop.addInternalFrame(frame, title, false, bounds.width,
+                bounds.height);
+        frame.setBounds(bounds);
+        frame.setVisible(true);
+      }
     frame.setMinimumSize(new Dimension(MIN_WIDTH, MIN_HEIGHT));
 
     frame.addInternalFrameListener(
@@ -378,24 +450,48 @@ public class FeatureSettings extends JPanel
               public void internalFrameClosed(
                       javax.swing.event.InternalFrameEvent evt)
               {
-                fr.removePropertyChangeListener(change);
-              }
+                  featureSettings_isClosed();
+                };
             });
     frame.setLayer(JLayeredPane.PALETTE_LAYER);
+    }
     inConstruction = false;
   }
 
   /**
-   * Constructs and shows a popup menu of possible actions on the selected row
-   * and feature type
+   * Sets the state of buttons to show complement features from viewport
+   * settings
+   */
+  private void updateComplementButtons()
+  {
+    showComplement.setSelected(af.getViewport().isShowComplementFeatures());
+    showComplementOnTop
+            .setSelected(af.getViewport().isShowComplementFeaturesOnTop());
+  }
+
+  @Override
+  public AlignViewControllerGuiI getAlignframe()
+  {
+    return af;
+  }
+
+  @Override
+  public void featureSettings_isClosed()
+  {
+    fr.removePropertyChangeListener(change);
+    change = null;
+  }
+
+       /**
+        * Constructs and shows a popup menu of possible actions on the selected row and
+        * feature type
    * 
    * @param rowSelected
    * @param type
    * @param typeCol
    * @param pt
    */
-  protected void showPopupMenu(final int rowSelected, final String type,
-          final Object typeCol, final Point pt)
+       protected void showPopupMenu(final int rowSelected, final String type, final Object typeCol, final Point pt)
   {
     JPopupMenu men = new JPopupMenu(MessageManager
             .formatMessage("label.settings_for_param", new String[]
@@ -421,10 +517,9 @@ public class FeatureSettings extends JPanel
       {
         if (e.getSource() == variableColourCB)
         {
-          men.setVisible(true); // BH 2018 for JavaScript because this is a
-                                // checkbox
-          men.setVisible(false); // BH 2018 for JavaScript because this is a
-                                 // checkbox
+                 // BH 2018 for JavaScript because this is a checkbox
+                 men.setVisible(true);
+          men.setVisible(false);
           if (featureColour.isSimpleColour())
           {
             /*
@@ -486,8 +581,7 @@ public class FeatureSettings extends JPanel
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        af.avc.sortAlignmentByFeatureScore(Arrays.asList(new String[]
-                { type }));
+        sortByScore(Arrays.asList(new String[] { type }));
       }
     });
     JMenuItem dens = new JMenuItem(
@@ -498,8 +592,7 @@ public class FeatureSettings extends JPanel
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        af.avc.sortAlignmentByFeatureDensity(Arrays.asList(new String[]
-                { type }));
+        sortByDensity(Arrays.asList(new String[] { type }));
       }
     });
     men.add(dens);
@@ -513,6 +606,7 @@ public class FeatureSettings extends JPanel
       {
         fr.ap.alignFrame.avc.markColumnsContainingFeatures(false, false,
                 false, type);
+        fr.ap.av.sendSelection();
       }
     });
     JMenuItem clearCols = new JMenuItem(MessageManager
@@ -524,6 +618,7 @@ public class FeatureSettings extends JPanel
       {
         fr.ap.alignFrame.avc.markColumnsContainingFeatures(true, false,
                 false, type);
+        fr.ap.av.sendSelection();
       }
     });
     JMenuItem hideCols = new JMenuItem(
@@ -534,6 +629,7 @@ public class FeatureSettings extends JPanel
       public void actionPerformed(ActionEvent arg0)
       {
         fr.ap.alignFrame.hideFeatureColumns(type, true);
+        fr.ap.av.sendSelection();
       }
     });
     JMenuItem hideOtherCols = new JMenuItem(
@@ -544,6 +640,7 @@ public class FeatureSettings extends JPanel
       public void actionPerformed(ActionEvent arg0)
       {
         fr.ap.alignFrame.hideFeatureColumns(type, false);
+        fr.ap.av.sendSelection();
       }
     });
     men.add(selCols);
@@ -553,6 +650,47 @@ public class FeatureSettings extends JPanel
     men.show(table, pt.x, pt.y);
   }
 
+  /**
+   * Sort the sequences in the alignment by the number of features for the given
+   * feature types (or all features if null)
+   * 
+   * @param featureTypes
+   */
+  protected void sortByDensity(List<String> featureTypes)
+  {
+    af.avc.sortAlignmentByFeatureDensity(featureTypes);
+  }
+
+  /**
+   * Sort the sequences in the alignment by average score for the given feature
+   * types (or all features if null)
+   * 
+   * @param featureTypes
+   */
+  protected void sortByScore(List<String> featureTypes)
+  {
+    af.avc.sortAlignmentByFeatureScore(featureTypes);
+  }
+
+  /**
+   * Returns true if at least one feature type is visible. Else shows a warning
+   * dialog and returns false.
+   * 
+   * @param title
+   * @return
+   */
+  private boolean canSortBy(String title)
+  {
+    if (fr.getDisplayedFeatureTypes().isEmpty())
+    {
+      JvOptionPane.showMessageDialog(this,
+              MessageManager.getString("label.no_features_to_sort_by"),
+              title, JvOptionPane.OK_OPTION);
+      return false;
+    }
+    return true;
+  }
+
   @Override
   synchronized public void discoverAllFeatureData()
   {
@@ -607,7 +745,7 @@ public class FeatureSettings extends JPanel
       {
         fr.setGroupVisibility(check.getText(), check.isSelected());
         resetTable(new String[] { grp });
-        af.alignPanel.paintAlignment(true, true);
+        refreshDisplay();
       }
     });
     groupPanel.add(check);
@@ -705,7 +843,7 @@ public class FeatureSettings extends JPanel
         data[dataIndex][FILTER_COLUMN] = featureFilter == null
                 ? new FeatureMatcherSet()
                 : featureFilter;
-        data[dataIndex][SHOW_COLUMN] = new Boolean(
+        data[dataIndex][SHOW_COLUMN] = Boolean.valueOf(
                 af.getViewport().getFeaturesDisplayed().isVisible(type));
         dataIndex++;
         displayableTypes.remove(type);
@@ -732,7 +870,7 @@ public class FeatureSettings extends JPanel
       data[dataIndex][FILTER_COLUMN] = featureFilter == null
               ? new FeatureMatcherSet()
               : featureFilter;
-      data[dataIndex][SHOW_COLUMN] = new Boolean(true);
+      data[dataIndex][SHOW_COLUMN] = Boolean.valueOf(true);
       dataIndex++;
       displayableTypes.remove(type);
     }
@@ -1137,49 +1275,64 @@ public class FeatureSettings extends JPanel
     table.repaint();
   }
 
+  /**
+   * close ourselves but leave any existing UI handlers (e.g a CDS/Protein tabbed
+   * feature settings dialog) intact
+   */
+  public void closeOldSettings()
+  {
+    closeDialog(false);
+  }
+
+  /**
+   * close the feature settings dialog (and any containing frame)
+   */
   public void close()
   {
+    closeDialog(true);
+  }
+
+  private void closeDialog(boolean closeContainingFrame)
+  {
     try
     {
+      if (frame != null)
+      {
+        af.setFeatureSettingsGeometry(frame.getBounds());
       frame.setClosed(true);
+      }
+      else
+      {
+        SplitContainerI sc = af.getSplitViewContainer();
+        sc.closeFeatureSettings(this, closeContainingFrame);
+        af.featureSettings = null;
+      }
     } catch (Exception exe)
     {
     }
 
   }
 
-  /**
-   * Update the priority order of features; only repaint if this changed the
-   * order of visible features. Any newly discovered feature types are set to
-   * visible. Returns true if repaint was requested, false if not.
-   * 
-   * @param data
-   * @return
-   */
-  public boolean updateFeatureRenderer(Object[][] data)
+  public void updateFeatureRenderer(Object[][] data)
   {
-    return updateFeatureRenderer(data, true);
+    updateFeatureRenderer(data, true);
   }
 
   /**
    * Update the priority order of features; only repaint if this changed the
-   * order of visible features. Returns true if repaint was requested, false if
-   * not.
+   * order of visible features
    * 
    * @param data
    * @param visibleNew
-   * @return
    */
-  boolean updateFeatureRenderer(Object[][] data, boolean visibleNew)
+  void updateFeatureRenderer(Object[][] data, boolean visibleNew)
   {
     FeatureSettingsBean[] rowData = getTableAsBeans(data);
 
     if (fr.setFeaturePriority(rowData, visibleNew))
     {
-      af.alignPanel.paintAlignment(true, true);
-      return true;
+      refreshDisplay();
     }
-    return false;
   }
 
   /**
@@ -1204,6 +1357,9 @@ public class FeatureSettings extends JPanel
   {
     this.setLayout(new BorderLayout());
 
+    final boolean hasComplement = af.getViewport()
+            .getCodingComplement() != null;
+
     JPanel settingsPane = new JPanel();
     settingsPane.setLayout(new BorderLayout());
 
@@ -1237,26 +1393,32 @@ public class FeatureSettings extends JPanel
       }
     });
 
-    JButton sortByScore = new JButton(
-            MessageManager.getString("label.seq_sort_by_score"));
+    final String byScoreLabel = MessageManager.getString("label.seq_sort_by_score");
+    JButton sortByScore = new JButton(byScoreLabel);
     sortByScore.setFont(JvSwingUtils.getLabelFont());
     sortByScore.addActionListener(new ActionListener()
     {
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        af.avc.sortAlignmentByFeatureScore(null);
+        if (canSortBy(byScoreLabel))
+        {
+          sortByScore(null);
+        }
       }
     });
-    JButton sortByDens = new JButton(
-            MessageManager.getString("label.sequence_sort_by_density"));
+    final String byDensityLabel = MessageManager.getString("label.sequence_sort_by_density");
+    JButton sortByDens = new JButton(byDensityLabel);
     sortByDens.setFont(JvSwingUtils.getLabelFont());
     sortByDens.addActionListener(new ActionListener()
     {
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        af.avc.sortAlignmentByFeatureDensity(null);
+        if (canSortBy(byDensityLabel))
+        {
+          sortByDensity(null);
+        }
       }
     });
 
@@ -1276,27 +1438,49 @@ public class FeatureSettings extends JPanel
         }
       }
     });
-
-    JButton cancel = new JButton(MessageManager.getString("action.cancel"));
+    // Cancel for a SplitFrame should just revert changes to the currently displayed
+    // settings. May want to do this for either or both - so need a splitview
+    // feature settings cancel/OK.
+    JButton cancel = new JButton(MessageManager
+            .getString(hasComplement ? "action.revert" : "action.cancel"));
+    cancel.setToolTipText(MessageManager.getString(hasComplement
+            ? "action.undo_changes_to_feature_settings"
+            : "action.undo_changes_to_feature_settings_and_close_the_dialog"));
     cancel.setFont(JvSwingUtils.getLabelFont());
+    // TODO: disable cancel (and apply!) until current settings are different
     cancel.addActionListener(new ActionListener()
     {
       @Override
       public void actionPerformed(ActionEvent e)
       {
-        cancel();
+        revert();
+        refreshDisplay();
+        if (!hasComplement)
+        {
+          close();
+        }
       }
     });
-
-    JButton ok = new JButton(MessageManager.getString("action.ok"));
+    // Cancel for the whole dialog should cancel both CDS and Protein.
+    // OK for an individual feature settings just applies changes, but dialog
+    // remains open
+    JButton ok = new JButton(MessageManager
+            .getString(hasComplement ? "action.apply" : "action.ok"));
     ok.setFont(JvSwingUtils.getLabelFont());
     ok.addActionListener(new ActionListener()
     {
       @Override
       public void actionPerformed(ActionEvent e)
       {
+        if (!hasComplement)
+        {
         close();
       }
+        else
+        {
+          storeOriginalSettings();
+        }
+      }
     });
 
     JButton loadColours = new JButton(
@@ -1334,7 +1518,7 @@ public class FeatureSettings extends JPanel
         if (!inConstruction)
         {
           fr.setTransparency((100 - transparency.getValue()) / 100f);
-          af.alignPanel.paintAlignment(true, true);
+          refreshDisplay();
         }
       }
     });
@@ -1343,8 +1527,41 @@ public class FeatureSettings extends JPanel
     transparency.setToolTipText(
             MessageManager.getString("label.transparency_tip"));
 
-    JPanel transPanel = new JPanel(new GridLayout(1, 2));
-    bigPanel.add(transPanel, BorderLayout.SOUTH);
+    boolean nucleotide = af.getViewport().getAlignment().isNucleotide();
+    String text = MessageManager.formatMessage("label.show_linked_features",
+            nucleotide
+                    ? MessageManager.getString("label.protein")
+                            .toLowerCase()
+                    : "CDS");
+    showComplement = new JCheckBox(text);
+    showComplement.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        af.getViewport()
+                .setShowComplementFeatures(showComplement.isSelected());
+        refreshDisplay();
+      }
+    });
+
+    showComplementOnTop = new JCheckBox(
+            MessageManager.getString("label.on_top"));
+    showComplementOnTop.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        af.getViewport().setShowComplementFeaturesOnTop(
+                showComplementOnTop.isSelected());
+        refreshDisplay();
+      }
+    });
+
+    updateComplementButtons();
+
+    JPanel lowerPanel = new JPanel(new GridLayout(1, 2));
+    bigPanel.add(lowerPanel, BorderLayout.SOUTH);
 
     JPanel transbuttons = new JPanel(new GridLayout(5, 1));
     transbuttons.add(optimizeOrder);
@@ -1352,8 +1569,20 @@ public class FeatureSettings extends JPanel
     transbuttons.add(sortByScore);
     transbuttons.add(sortByDens);
     transbuttons.add(help);
-    transPanel.add(transparency);
-    transPanel.add(transbuttons);
+
+    JPanel transPanelLeft = new JPanel(
+            new GridLayout(hasComplement ? 4 : 2, 1));
+    transPanelLeft.add(new JLabel(" Colour transparency" + ":"));
+    transPanelLeft.add(transparency);
+    if (hasComplement)
+    {
+      JPanel cp = new JPanel(new FlowLayout(FlowLayout.LEFT));
+      cp.add(showComplement);
+      cp.add(showComplementOnTop);
+      transPanelLeft.add(cp);
+    }
+    lowerPanel.add(transPanelLeft);
+    lowerPanel.add(transbuttons);
 
     JPanel buttonPanel = new JPanel();
     buttonPanel.add(ok);
@@ -1367,24 +1596,19 @@ public class FeatureSettings extends JPanel
   }
 
   /**
-   * On Cancel, restore settings as they were when the dialog was opened (or
-   * possibly with any new features added while the dialog was open)
+   * Repaints alignment, structure and overview (if shown). If there is a
+   * complementary view which is showing this view's features, then also
+   * repaints that.
    */
-  void cancel()
+  void refreshDisplay()
   {
-    fr.setTransparency(originalTransparency);
-    fr.setFeatureFilters(originalFilters);
-    boolean repainted = updateFeatureRenderer(originalData);
-
-    /*
-     * ensure alignment (and Overview if visible) are redrawn
-     */
-    if (!repainted)
+    af.alignPanel.paintAlignment(true, true);
+    AlignViewportI complement = af.getViewport().getCodingComplement();
+    if (complement != null && complement.isShowComplementFeatures())
     {
-      af.alignPanel.paintAlignment(true, true);
+      AlignFrame af2 = Desktop.getAlignFrameFor(complement);
+      af2.alignPanel.paintAlignment(true, true);
     }
-
-    close();
   }
 
   /**
@@ -1529,13 +1753,22 @@ public class FeatureSettings extends JPanel
     }
 
     /**
-     * Answers the class of the object in column c of the first row of the table
+     * Answers the class of column c of the table
      */
     @Override
     public Class<?> getColumnClass(int c)
     {
-      Object v = getValueAt(0, c);
-      return v == null ? null : v.getClass();
+      switch (c)
+      {
+      case TYPE_COLUMN:
+        return String.class;
+      case COLOUR_COLUMN:
+        return FeatureColour.class;
+      case FILTER_COLUMN:
+        return FeatureMatcherSet.class;
+      default:
+        return Boolean.class;
+      }
     }
 
     @Override
@@ -1935,6 +2168,27 @@ public class FeatureSettings extends JPanel
       return button;
     }
   }
+
+  public boolean isOpen()
+  {
+    if (af.getSplitViewContainer() != null)
+    {
+      return af.getSplitViewContainer().isFeatureSettingsOpen();
+    }
+    return frame != null && !frame.isClosed();
+  }
+
+  @Override
+  public void revert()
+  {
+    fr.setTransparency(originalTransparency);
+    fr.setFeatureFilters(originalFilters);
+    updateFeatureRenderer(originalData);
+    af.getViewport().setViewStyle(originalViewStyle);
+    updateTransparencySliderFromFR();
+    updateComplementButtons();
+    refreshDisplay();
+  }
 }
 
 class FeatureIcon implements Icon