X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FPreferences.java;h=2a3151880c0754be12250d0051c3c19918f98d05;hb=09d3b755d9b00f5c3acb44049aedd49361dc0690;hp=b16ae32d6a5ab9ab3f4fae4575adf3836ac8e753;hpb=588042b69abf8e60bcc950b24c283933c7dd422f;p=jalview.git

diff --git a/src/jalview/gui/Preferences.java b/src/jalview/gui/Preferences.java
index b16ae32..ad3bfb5 100755
--- a/src/jalview/gui/Preferences.java
+++ b/src/jalview/gui/Preferences.java
@@ -1,317 +1,1348 @@
-/*
- * Jalview - A Sequence Alignment Editor and Viewer
- * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
- *
- * This program 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 2
- * of the License, or (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- */
-package jalview.gui;
-
-import java.awt.*;
-import java.awt.event.*;
-import javax.swing.*;
-
-import jalview.bin.*;
-import jalview.io.*;
-import jalview.jbgui.*;
-import jalview.schemes.*;
-
-public class Preferences
-    extends GPreferences
-{
-  static boolean preferencesLoaded = false;
-  public static boolean showFullscreen = false;
-  public static boolean showFullId = true;
-  public static boolean showAnnotation = true;
-  public static boolean showConservation = true;
-  public static boolean showQuality = true;
-  public static boolean showIdentity = true;
-  public static String fontName = "SansSerif";
-  public static String fontSize = "10";
-  public static String fontStyle = Font.PLAIN + "";
-  public static char gapSymbol = '-';
-  public static String defaultColour = null;
-  public static boolean showStartupFile = true;
-  public static String startupFile =
-      "http://www.jalview.org/examples/exampleFile.jar";
-  JInternalFrame frame;
-
-  public Preferences()
-  {
-    initPreferences();
-
-    frame = new JInternalFrame();
-    frame.setContentPane(this);
-    Desktop.addInternalFrame(frame, "Preferences", 480, 390);
-
-    fullID.setSelected(showFullId);
-
-    String string = Cache.getProperty("SHOW_FULLSCREEN");
-    boolean value = false;
-
-    if (string != null)
-    {
-      value = Boolean.valueOf(string).booleanValue();
-    }
-
-    fullScreen.setSelected(value);
-    annotations.setSelected(showAnnotation);
-
-    conservation.setEnabled(showAnnotation);
-    quality.setEnabled(showAnnotation);
-    identity.setEnabled(showAnnotation);
-
-    conservation.setSelected(showConservation);
-    quality.setSelected(showQuality);
-    identity.setSelected(showIdentity);
-
-    for (int i = 0; i < 12; i++)
-    {
-      colour.addItem(ColourSchemeProperty.getColourName(i));
-    }
-
-    string = Cache.getProperty("DEFAULT_COLOUR");
-
-    if (string != null)
-    {
-      colour.setSelectedItem(string);
-    }
-    else
-    {
-      colour.setSelectedIndex(11);
-    }
-
-    String[] fonts = java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment()
-        .getAvailableFontFamilyNames();
-
-    for (int i = 0; i < fonts.length; i++)
-    {
-      fontNameCB.addItem(fonts[i]);
-    }
-
-    for (int i = 1; i < 31; i++)
-    {
-      fontSizeCB.addItem(i + "");
-    }
-
-    fontStyleCB.addItem("plain");
-    fontStyleCB.addItem("bold");
-    fontStyleCB.addItem("italic");
-
-    fontNameCB.setSelectedItem(fontName);
-    fontSizeCB.setSelectedItem(fontSize);
-    fontStyleCB.setSelectedItem(fontStyle);
-
-    gapSymbolCB.addItem("-");
-    gapSymbolCB.addItem(".");
-
-    gapSymbolCB.setSelectedItem(gapSymbol + "");
-
-    startupCheckbox.setSelected(showStartupFile);
-    startupFileTextfield.setText(startupFile);
-  }
-
-  public static void initPreferences()
-  {
-    String string = Cache.getProperty("SHOW_FULL_ID");
-
-    if (string != null)
-    {
-      showFullId = Boolean.valueOf(string).booleanValue();
-    }
-
-    string = Cache.getProperty("SHOW_FULLSCREEN");
-
-    if (string != null)
-    {
-      showFullscreen = Boolean.valueOf(string).booleanValue();
-    }
-
-    string = Cache.getProperty("SHOW_ANNOTATIONS");
-
-    if (string != null)
-    {
-      showAnnotation = Boolean.valueOf(string).booleanValue();
-    }
-
-    string = Cache.getProperty("SHOW_CONSERVATION");
-
-    if (string != null)
-    {
-      showConservation = Boolean.valueOf(string).booleanValue();
-    }
-
-    string = Cache.getProperty("SHOW_QUALITY");
-
-    if (string != null)
-    {
-      showQuality = Boolean.valueOf(string).booleanValue();
-    }
-
-    string = Cache.getProperty("SHOW_IDENTITY");
-
-    if (string != null)
-    {
-      showIdentity = Boolean.valueOf(string).booleanValue();
-    }
-
-    string = Cache.getProperty("GAP_SYMBOL");
-
-    if (string != null)
-    {
-      gapSymbol = string.charAt(0);
-    }
-
-    string = Cache.getProperty("SHOW_FULL_ID");
-
-    if (string != null)
-    {
-      showFullId = Boolean.valueOf(string).booleanValue();
-    }
-
-    string = Cache.getProperty("FONT_NAME");
-
-    if (string != null)
-    {
-      fontName = string;
-    }
-
-    string = Cache.getProperty("FONT_STYLE");
-
-    if (string != null)
-    {
-      fontStyle = string;
-    }
-
-    string = Cache.getProperty("FONT_SIZE");
-
-    if (string != null)
-    {
-      fontSize = string;
-    }
-
-    string = Cache.getProperty("DEFAULT_COLOUR");
-
-    if (string != null)
-    {
-      defaultColour = string;
-    }
-
-    string = Cache.getProperty("STARTUP_FILE");
-
-    if (string != null)
-    {
-      startupFile = string;
-    }
-
-    string = Cache.getProperty("SHOW_STARTUP_FILE");
-
-    if (string != null)
-    {
-      showStartupFile = Boolean.valueOf(string).booleanValue();
-    }
-
-    preferencesLoaded = true;
-  }
-
-  public void ok_actionPerformed(ActionEvent e)
-  {
-    showFullId = fullID.isSelected();
-    showFullscreen = fullScreen.isSelected();
-    showAnnotation = annotations.isSelected();
-    showConservation = conservation.isSelected();
-    showQuality = quality.isSelected();
-    showIdentity = identity.isSelected();
-    defaultColour = colour.getSelectedItem().toString();
-    gapSymbol = gapSymbolCB.getSelectedItem().toString().charAt(0);
-    fontName = fontNameCB.getSelectedItem().toString();
-    fontSize = fontSizeCB.getSelectedItem().toString();
-    fontStyle = fontStyleCB.getSelectedItem().toString();
-    startupFile = startupFileTextfield.getText();
-    showStartupFile = startupCheckbox.isSelected();
-
-    Cache.setProperty("SHOW_FULL_ID", Boolean.toString(showFullId));
-    Cache.setProperty("SHOW_FULLSCREEN", Boolean.toString(showFullscreen));
-
-    Cache.setProperty("SHOW_ANNOTATIONS", Boolean.toString(showAnnotation));
-    Cache.setProperty("SHOW_CONSERVATION",
-                      Boolean.toString(showConservation));
-    Cache.setProperty("SHOW_QUALITY", Boolean.toString(showQuality));
-    Cache.setProperty("SHOW_IDENTITY", Boolean.toString(showIdentity));
-
-    Cache.setProperty("DEFAULT_COLOUR", defaultColour);
-    Cache.setProperty("GAP_SYMBOL", gapSymbol + "");
-
-    Cache.setProperty("FONT_NAME", fontName);
-    Cache.setProperty("FONT_STYLE", fontStyle);
-    Cache.setProperty("FONT_SIZE", fontSize);
-
-    Cache.setProperty("STARTUP_FILE", startupFile);
-    Cache.setProperty("SHOW_STARTUP_FILE", Boolean.toString(showStartupFile));
-
-    try
-    {
-      frame.setClosed(true);
-    }
-    catch (Exception ex)
-    {
-    }
-  }
-
-  public void startupFileTextfield_mouseClicked()
-  {
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
-        getProperty(
-            "LAST_DIRECTORY"),
-        new String[]
-        {
-        "fa, fasta, fastq", "aln", "pfam", "msf", "pir", "blc",
-        "jar"
-    },
-        new String[]
-        {
-        "Fasta", "Clustal", "PFAM", "MSF", "PIR", "BLC", "Jalview"
-    }, jalview.bin.Cache.getProperty("DEFAULT_FILE_FORMAT"));
-    chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle("Select startup file");
-
-    int value = chooser.showOpenDialog(this);
-
-    if (value == JalviewFileChooser.APPROVE_OPTION)
-    {
-      jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT",
-                                    chooser.getSelectedFormat());
-      startupFileTextfield.setText(chooser.getSelectedFile()
-                                   .getAbsolutePath());
-    }
-  }
-
-  public void cancel_actionPerformed(ActionEvent e)
-  {
-    try
-    {
-      frame.setClosed(true);
-    }
-    catch (Exception ex)
-    {
-    }
-  }
-
-  public void annotations_actionPerformed(ActionEvent e)
-  {
-    conservation.setEnabled(annotations.isSelected());
-    quality.setEnabled(annotations.isSelected());
-    identity.setEnabled(annotations.isSelected());
-  }
-}
+/*
+ * 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.
+ *  
+ * 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/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.gui;
+
+import jalview.analysis.AnnotationSorter.SequenceAnnotationOrder;
+import jalview.bin.Cache;
+import jalview.gui.Help.HelpId;
+import jalview.gui.StructureViewer.ViewerType;
+import jalview.io.BackupFiles;
+import jalview.io.FileFormatI;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.jbgui.GPreferences;
+import jalview.jbgui.GSequenceLink;
+import jalview.schemes.ColourSchemeI;
+import jalview.schemes.ColourSchemes;
+import jalview.schemes.ResidueColourScheme;
+import jalview.urls.UrlLinkTableModel;
+import jalview.urls.api.UrlProviderFactoryI;
+import jalview.urls.api.UrlProviderI;
+import jalview.urls.desktop.DesktopUrlProviderFactory;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.util.UrlConstants;
+import jalview.ws.sifts.SiftsSettings;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseEvent;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.help.HelpSetException;
+import javax.swing.JColorChooser;
+import javax.swing.JFileChooser;
+import javax.swing.JInternalFrame;
+import javax.swing.JPanel;
+import javax.swing.ListSelectionModel;
+import javax.swing.RowFilter;
+import javax.swing.RowSorter;
+import javax.swing.SortOrder;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+import javax.swing.table.TableCellRenderer;
+import javax.swing.table.TableColumn;
+import javax.swing.table.TableModel;
+import javax.swing.table.TableRowSorter;
+
+import ext.edu.ucsf.rbvi.strucviz2.StructureManager;
+
+/**
+ * DOCUMENT ME!
+ * 
+ * @author $author$
+ * @version $Revision$
+ */
+public class Preferences extends GPreferences
+{
+  public static final String ENABLE_SPLIT_FRAME = "ENABLE_SPLIT_FRAME";
+
+  public static final String SCALE_PROTEIN_TO_CDNA = "SCALE_PROTEIN_TO_CDNA";
+
+  public static final String DEFAULT_COLOUR = "DEFAULT_COLOUR";
+
+  public static final String DEFAULT_COLOUR_PROT = "DEFAULT_COLOUR_PROT";
+
+  public static final String DEFAULT_COLOUR_NUC = "DEFAULT_COLOUR_NUC";
+
+  public static final String ADD_TEMPFACT_ANN = "ADD_TEMPFACT_ANN";
+
+  public static final String ADD_SS_ANN = "ADD_SS_ANN";
+
+  public static final String USE_RNAVIEW = "USE_RNAVIEW";
+
+  public static final String STRUCT_FROM_PDB = "STRUCT_FROM_PDB";
+
+  public static final String STRUCTURE_DISPLAY = "STRUCTURE_DISPLAY";
+
+  public static final String CHIMERA_PATH = "CHIMERA_PATH";
+
+  public static final String SORT_ANNOTATIONS = "SORT_ANNOTATIONS";
+
+  public static final String SHOW_AUTOCALC_ABOVE = "SHOW_AUTOCALC_ABOVE";
+
+  public static final String SHOW_OCCUPANCY = "SHOW_OCCUPANCY";
+
+  public static final String SHOW_OV_HIDDEN_AT_START = "SHOW_OV_HIDDEN_AT_START";
+
+  public static final String USE_LEGACY_GAP = "USE_LEGACY_GAP";
+
+  public static final String GAP_COLOUR = "GAP_COLOUR";
+
+  public static final String HIDDEN_COLOUR = "HIDDEN_COLOUR";
+
+  private static final int MIN_FONT_SIZE = 1;
+
+  private static final int MAX_FONT_SIZE = 30;
+
+  /**
+   * Holds name and link separated with | character. Sequence ID must be
+   * $SEQUENCE_ID$ or $SEQUENCE_ID=/.possible | chars ./=$
+   */
+  public static UrlProviderI sequenceUrlLinks;
+
+  public static UrlLinkTableModel dataModel;
+
+  /**
+   * Holds name and link separated with | character. Sequence IDS and Sequences
+   * must be $SEQUENCEIDS$ or $SEQUENCEIDS=/.possible | chars ./=$ and
+   * $SEQUENCES$ or $SEQUENCES=/.possible | chars ./=$ and separation character
+   * for first and second token specified after a pipe character at end |,|.
+   * (TODO: proper escape for using | to separate ids or sequences
+   */
+
+  public static List<String> groupURLLinks;
+  static
+  {
+    // get links selected to be in the menu (SEQUENCE_LINKS)
+    // and links entered by the user but not selected (STORED_LINKS)
+    String inMenuString = Cache.getDefault("SEQUENCE_LINKS", "");
+    String notInMenuString = Cache.getDefault("STORED_LINKS", "");
+    String defaultUrl = Cache.getDefault("DEFAULT_URL",
+            UrlConstants.DEFAULT_LABEL);
+
+    // if both links lists are empty, add the DEFAULT_URL link
+    // otherwise we assume the default link is in one of the lists
+    if (inMenuString.isEmpty() && notInMenuString.isEmpty())
+    {
+      inMenuString = UrlConstants.DEFAULT_STRING;
+    }
+    UrlProviderFactoryI factory = new DesktopUrlProviderFactory(defaultUrl,
+            inMenuString, notInMenuString);
+    sequenceUrlLinks = factory.createUrlProvider();
+    dataModel = new UrlLinkTableModel(sequenceUrlLinks);
+
+    /**
+     * TODO: reformulate groupURL encoding so two or more can be stored in the
+     * .properties file as '|' separated strings
+     */
+
+    groupURLLinks = new ArrayList<>();
+  }
+
+  JInternalFrame frame;
+
+  private WsPreferences wsPrefs;
+
+  private OptionsParam promptEachTimeOpt = new OptionsParam(
+          MessageManager.getString("label.prompt_each_time"),
+          "Prompt each time");
+
+  private OptionsParam lineArtOpt = new OptionsParam(
+          MessageManager.getString("label.lineart"), "Lineart");
+
+  private OptionsParam textOpt = new OptionsParam(
+          MessageManager.getString("action.text"), "Text");
+
+  /**
+   * Creates a new Preferences object.
+   */
+  public Preferences()
+  {
+    super();
+    frame = new JInternalFrame();
+    frame.setContentPane(this);
+    wsPrefs = new WsPreferences();
+    wsTab.add(wsPrefs, BorderLayout.CENTER);
+    int width = 500, height = 450;
+    new jalview.util.Platform();
+    if (Platform.isAMac())
+    {
+      width = 570;
+      height = 480;
+    }
+
+    Desktop.addInternalFrame(frame,
+            MessageManager.getString("label.preferences"), width, height);
+    frame.setMinimumSize(new Dimension(width, height));
+
+    /*
+     * Set Visual tab defaults
+     */
+    seqLimit.setSelected(Cache.getDefault("SHOW_JVSUFFIX", true));
+    rightAlign.setSelected(Cache.getDefault("RIGHT_ALIGN_IDS", false));
+    fullScreen.setSelected(Cache.getDefault("SHOW_FULLSCREEN", false));
+    annotations.setSelected(Cache.getDefault("SHOW_ANNOTATIONS", true));
+
+    conservation.setSelected(Cache.getDefault("SHOW_CONSERVATION", true));
+    quality.setSelected(Cache.getDefault("SHOW_QUALITY", true));
+    identity.setSelected(Cache.getDefault("SHOW_IDENTITY", true));
+    openoverv.setSelected(Cache.getDefault("SHOW_OVERVIEW", false));
+    showUnconserved
+            .setSelected(Cache.getDefault("SHOW_UNCONSERVED", false));
+    showOccupancy.setSelected(Cache.getDefault(SHOW_OCCUPANCY, false));
+    showGroupConsensus
+            .setSelected(Cache.getDefault("SHOW_GROUP_CONSENSUS", false));
+    showGroupConservation.setSelected(
+            Cache.getDefault("SHOW_GROUP_CONSERVATION", false));
+    showConsensHistogram.setSelected(
+            Cache.getDefault("SHOW_CONSENSUS_HISTOGRAM", true));
+    showConsensLogo
+            .setSelected(Cache.getDefault("SHOW_CONSENSUS_LOGO", false));
+    showNpTooltip
+            .setSelected(Cache.getDefault("SHOW_NPFEATS_TOOLTIP", true));
+    showDbRefTooltip
+            .setSelected(Cache.getDefault("SHOW_DBREFS_TOOLTIP", true));
+
+    String[] fonts = java.awt.GraphicsEnvironment
+            .getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
+    for (int i = 0; i < fonts.length; i++)
+    {
+      fontNameCB.addItem(fonts[i]);
+    }
+
+    for (int i = MIN_FONT_SIZE; i <= MAX_FONT_SIZE; i++)
+    {
+      fontSizeCB.addItem(i + "");
+    }
+
+    fontStyleCB.addItem("plain");
+    fontStyleCB.addItem("bold");
+    fontStyleCB.addItem("italic");
+
+    fontNameCB.setSelectedItem(Cache.getDefault("FONT_NAME", "SansSerif"));
+    fontSizeCB.setSelectedItem(Cache.getDefault("FONT_SIZE", "10"));
+    fontStyleCB.setSelectedItem(
+            Cache.getDefault("FONT_STYLE", Font.PLAIN + ""));
+
+    smoothFont.setSelected(Cache.getDefault("ANTI_ALIAS", false));
+    scaleProteinToCdna
+            .setSelected(Cache.getDefault(SCALE_PROTEIN_TO_CDNA, false));
+
+    idItalics.setSelected(Cache.getDefault("ID_ITALICS", true));
+
+    wrap.setSelected(Cache.getDefault("WRAP_ALIGNMENT", false));
+
+    gapSymbolCB.addItem("-");
+    gapSymbolCB.addItem(".");
+
+    gapSymbolCB.setSelectedItem(Cache.getDefault("GAP_SYMBOL", "-"));
+
+    sortby.addItem("No sort");
+    sortby.addItem("Id");
+    sortby.addItem("Pairwise Identity");
+    sortby.setSelectedItem(Cache.getDefault("SORT_ALIGNMENT", "No sort"));
+
+    sortAnnBy.addItem(SequenceAnnotationOrder.NONE.toString());
+    sortAnnBy
+            .addItem(SequenceAnnotationOrder.SEQUENCE_AND_LABEL.toString());
+    sortAnnBy
+            .addItem(SequenceAnnotationOrder.LABEL_AND_SEQUENCE.toString());
+    SequenceAnnotationOrder savedSort = SequenceAnnotationOrder
+            .valueOf(Cache.getDefault(SORT_ANNOTATIONS,
+                    SequenceAnnotationOrder.NONE.name()));
+    sortAnnBy.setSelectedItem(savedSort.toString());
+
+    sortAutocalc.addItem("Autocalculated first");
+    sortAutocalc.addItem("Autocalculated last");
+    final boolean showAbove = Cache.getDefault(SHOW_AUTOCALC_ABOVE, true);
+    sortAutocalc.setSelectedItem(showAbove ? sortAutocalc.getItemAt(0)
+            : sortAutocalc.getItemAt(1));
+    startupCheckbox
+            .setSelected(Cache.getDefault("SHOW_STARTUP_FILE", true));
+    startupFileTextfield.setText(Cache.getDefault("STARTUP_FILE",
+            Cache.getDefault("www.jalview.org", "http://www.jalview.org")
+                    + "/examples/exampleFile_2_3.jar"));
+
+    /*
+     * Set Colours tab defaults
+     */
+    protColour.addItem(ResidueColourScheme.NONE);
+    nucColour.addItem(ResidueColourScheme.NONE);
+    for (ColourSchemeI cs : ColourSchemes.getInstance().getColourSchemes())
+    {
+      String name = cs.getSchemeName();
+      protColour.addItem(name);
+      nucColour.addItem(name);
+    }
+    String oldProp = Cache.getDefault(DEFAULT_COLOUR,
+            ResidueColourScheme.NONE);
+    String newProp = Cache.getDefault(DEFAULT_COLOUR_PROT, null);
+    protColour.setSelectedItem(newProp != null ? newProp : oldProp);
+    newProp = Cache.getDefault(DEFAULT_COLOUR_NUC, null);
+    nucColour.setSelectedItem(newProp != null ? newProp : oldProp);
+    minColour.setBackground(
+            Cache.getDefaultColour("ANNOTATIONCOLOUR_MIN", Color.orange));
+    maxColour.setBackground(
+            Cache.getDefaultColour("ANNOTATIONCOLOUR_MAX", Color.red));
+
+    /*
+     * Set overview panel defaults
+     */
+    gapColour.setBackground(
+            Cache.getDefaultColour(GAP_COLOUR,
+                    jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_GAP));
+    hiddenColour.setBackground(
+            Cache.getDefaultColour(HIDDEN_COLOUR,
+                    jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_HIDDEN));
+    useLegacyGap.setSelected(Cache.getDefault(USE_LEGACY_GAP, false));
+    gapLabel.setEnabled(!useLegacyGap.isSelected());
+    gapColour.setEnabled(!useLegacyGap.isSelected());
+    showHiddenAtStart
+            .setSelected(Cache.getDefault(SHOW_OV_HIDDEN_AT_START, true));
+
+    /*
+     * Set Structure tab defaults.
+     */
+    final boolean structSelected = Cache.getDefault(STRUCT_FROM_PDB, false);
+    structFromPdb.setSelected(structSelected);
+    useRnaView.setSelected(Cache.getDefault(USE_RNAVIEW, false));
+    useRnaView.setEnabled(structSelected);
+    addSecondaryStructure.setSelected(Cache.getDefault(ADD_SS_ANN, false));
+    addSecondaryStructure.setEnabled(structSelected);
+    addTempFactor.setSelected(Cache.getDefault(ADD_TEMPFACT_ANN, false));
+    addTempFactor.setEnabled(structSelected);
+    structViewer.setSelectedItem(
+            Cache.getDefault(STRUCTURE_DISPLAY, ViewerType.JMOL.name()));
+    chimeraPath.setText(Cache.getDefault(CHIMERA_PATH, ""));
+    chimeraPath.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        validateChimeraPath();
+      }
+    });
+
+    if (Cache.getDefault("MAP_WITH_SIFTS", false))
+    {
+      siftsMapping.setSelected(true);
+    }
+    else
+    {
+      nwMapping.setSelected(true);
+    }
+
+    SiftsSettings
+            .setMapWithSifts(Cache.getDefault("MAP_WITH_SIFTS", false));
+
+    /*
+     * Set Connections tab defaults
+     */
+
+    // set up sorting
+    linkUrlTable.setModel(dataModel);
+    final TableRowSorter<TableModel> sorter = new TableRowSorter<>(
+            linkUrlTable.getModel());
+    linkUrlTable.setRowSorter(sorter);
+    List<RowSorter.SortKey> sortKeys = new ArrayList<>();
+
+    UrlLinkTableModel m = (UrlLinkTableModel) linkUrlTable.getModel();
+    sortKeys.add(new RowSorter.SortKey(m.getPrimaryColumn(),
+            SortOrder.DESCENDING));
+    sortKeys.add(new RowSorter.SortKey(m.getSelectedColumn(),
+            SortOrder.DESCENDING));
+    sortKeys.add(
+            new RowSorter.SortKey(m.getNameColumn(), SortOrder.ASCENDING));
+
+    sorter.setSortKeys(sortKeys);
+    sorter.sort();
+
+    // set up filtering
+    ActionListener onReset;
+    onReset = new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        filterTB.setText("");
+        sorter.setRowFilter(RowFilter.regexFilter(""));
+      }
+
+    };
+    doReset.addActionListener(onReset);
+
+    // filter to display only custom urls
+    final RowFilter<TableModel, Object> customUrlFilter = new RowFilter<TableModel, Object>()
+    {
+      @Override
+      public boolean include(
+              Entry<? extends TableModel, ? extends Object> entry)
+      {
+        return ((UrlLinkTableModel) entry.getModel()).isUserEntry(entry);
+      }
+    };
+
+    final TableRowSorter<TableModel> customSorter = new TableRowSorter<>(
+            linkUrlTable.getModel());
+    customSorter.setRowFilter(customUrlFilter);
+
+    ActionListener onCustomOnly;
+    onCustomOnly = new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        filterTB.setText("");
+        sorter.setRowFilter(customUrlFilter);
+      }
+    };
+    userOnly.addActionListener(onCustomOnly);
+
+    filterTB.getDocument().addDocumentListener(new DocumentListener()
+    {
+      String caseInsensitiveFlag = "(?i)";
+
+      @Override
+      public void changedUpdate(DocumentEvent e)
+      {
+        sorter.setRowFilter(RowFilter
+                .regexFilter(caseInsensitiveFlag + filterTB.getText()));
+      }
+
+      @Override
+      public void removeUpdate(DocumentEvent e)
+      {
+        sorter.setRowFilter(RowFilter
+                .regexFilter(caseInsensitiveFlag + filterTB.getText()));
+      }
+
+      @Override
+      public void insertUpdate(DocumentEvent e)
+      {
+        sorter.setRowFilter(RowFilter
+                .regexFilter(caseInsensitiveFlag + filterTB.getText()));
+      }
+    });
+
+    // set up list selection functionality
+    linkUrlTable.getSelectionModel()
+            .addListSelectionListener(new UrlListSelectionHandler());
+
+    // set up radio buttons
+    int onClickCol = ((UrlLinkTableModel) linkUrlTable.getModel())
+            .getPrimaryColumn();
+    String onClickName = linkUrlTable.getColumnName(onClickCol);
+    linkUrlTable.getColumn(onClickName)
+            .setCellRenderer(new RadioButtonRenderer());
+    linkUrlTable.getColumn(onClickName)
+            .setCellEditor(new RadioButtonEditor());
+
+    // get boolean columns and resize those to min possible
+    for (int column = 0; column < linkUrlTable.getColumnCount(); column++)
+    {
+      if (linkUrlTable.getModel().getColumnClass(column)
+              .equals(Boolean.class))
+      {
+        TableColumn tableColumn = linkUrlTable.getColumnModel()
+                .getColumn(column);
+        int preferredWidth = tableColumn.getMinWidth();
+
+        TableCellRenderer cellRenderer = linkUrlTable.getCellRenderer(0,
+                column);
+        Component c = linkUrlTable.prepareRenderer(cellRenderer, 0, column);
+        int cwidth = c.getPreferredSize().width
+                + linkUrlTable.getIntercellSpacing().width;
+        preferredWidth = Math.max(preferredWidth, cwidth);
+
+        tableColumn.setPreferredWidth(preferredWidth);
+      }
+    }
+
+    useProxy.setSelected(Cache.getDefault("USE_PROXY", false));
+    useProxy_actionPerformed(); // make sure useProxy is correctly initialised
+    proxyServerTB.setText(Cache.getDefault("PROXY_SERVER", ""));
+    proxyPortTB.setText(Cache.getDefault("PROXY_PORT", ""));
+
+    defaultBrowser.setText(Cache.getDefault("DEFAULT_BROWSER", ""));
+
+    usagestats.setSelected(Cache.getDefault("USAGESTATS", false));
+    // note antisense here: default is true
+    questionnaire
+            .setSelected(Cache.getProperty("NOQUESTIONNAIRES") == null);
+    versioncheck.setSelected(Cache.getDefault("VERSION_CHECK", true));
+
+    /*
+     * Set Output tab defaults
+     */
+    epsRendering.addItem(promptEachTimeOpt);
+    epsRendering.addItem(lineArtOpt);
+    epsRendering.addItem(textOpt);
+    String defaultEPS = Cache.getDefault("EPS_RENDERING",
+            "Prompt each time");
+    if (defaultEPS.equalsIgnoreCase("Text"))
+    {
+      epsRendering.setSelectedItem(textOpt);
+    }
+    else if (defaultEPS.equalsIgnoreCase("Lineart"))
+    {
+      epsRendering.setSelectedItem(lineArtOpt);
+    }
+    else
+    {
+      epsRendering.setSelectedItem(promptEachTimeOpt);
+    }
+    autoIdWidth.setSelected(Cache.getDefault("FIGURE_AUTOIDWIDTH", false));
+    userIdWidth.setEnabled(!autoIdWidth.isSelected());
+    userIdWidthlabel.setEnabled(!autoIdWidth.isSelected());
+    Integer wi = Cache.getIntegerProperty("FIGURE_FIXEDIDWIDTH");
+    userIdWidth.setText(wi == null ? "" : wi.toString());
+    // TODO: refactor to use common enum via FormatAdapter and allow extension
+    // for new flat file formats
+    blcjv.setSelected(Cache.getDefault("BLC_JVSUFFIX", true));
+    clustaljv.setSelected(Cache.getDefault("CLUSTAL_JVSUFFIX", true));
+    fastajv.setSelected(Cache.getDefault("FASTA_JVSUFFIX", true));
+    msfjv.setSelected(Cache.getDefault("MSF_JVSUFFIX", true));
+    pfamjv.setSelected(Cache.getDefault("PFAM_JVSUFFIX", true));
+    pileupjv.setSelected(Cache.getDefault("PILEUP_JVSUFFIX", true));
+    pirjv.setSelected(Cache.getDefault("PIR_JVSUFFIX", true));
+    modellerOutput.setSelected(Cache.getDefault("PIR_MODELLER", false));
+    embbedBioJSON
+            .setSelected(Cache.getDefault("EXPORT_EMBBED_BIOJSON", true));
+
+    /*
+     * Set Editing tab defaults
+     */
+    autoCalculateConsCheck
+            .setSelected(Cache.getDefault("AUTO_CALC_CONSENSUS", true));
+    padGaps.setSelected(Cache.getDefault("PAD_GAPS", false));
+    sortByTree.setSelected(Cache.getDefault("SORT_BY_TREE", false));
+
+    annotations_actionPerformed(null); // update the display of the annotation
+                                       // settings
+    
+    
+    /*
+     * Set Backups tab defaults
+     */
+    loadLastSavedBackupsOptions();
+  }
+
+  /**
+   * Save user selections on the Preferences tabs to the Cache and write out to
+   * file.
+   * 
+   * @param e
+   */
+  @Override
+  public void ok_actionPerformed(ActionEvent e)
+  {
+    if (!validateSettings())
+    {
+      return;
+    }
+
+    /*
+     * Save Visual settings
+     */
+    Cache.applicationProperties.setProperty("SHOW_JVSUFFIX",
+            Boolean.toString(seqLimit.isSelected()));
+    Cache.applicationProperties.setProperty("RIGHT_ALIGN_IDS",
+            Boolean.toString(rightAlign.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_FULLSCREEN",
+            Boolean.toString(fullScreen.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_OVERVIEW",
+            Boolean.toString(openoverv.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_ANNOTATIONS",
+            Boolean.toString(annotations.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_CONSERVATION",
+            Boolean.toString(conservation.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_QUALITY",
+            Boolean.toString(quality.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_IDENTITY",
+            Boolean.toString(identity.isSelected()));
+
+    Cache.applicationProperties.setProperty("GAP_SYMBOL",
+            gapSymbolCB.getSelectedItem().toString());
+
+    Cache.applicationProperties.setProperty("FONT_NAME",
+            fontNameCB.getSelectedItem().toString());
+    Cache.applicationProperties.setProperty("FONT_STYLE",
+            fontStyleCB.getSelectedItem().toString());
+    Cache.applicationProperties.setProperty("FONT_SIZE",
+            fontSizeCB.getSelectedItem().toString());
+
+    Cache.applicationProperties.setProperty("ID_ITALICS",
+            Boolean.toString(idItalics.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_UNCONSERVED",
+            Boolean.toString(showUnconserved.isSelected()));
+    Cache.applicationProperties.setProperty(SHOW_OCCUPANCY,
+            Boolean.toString(showOccupancy.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_GROUP_CONSENSUS",
+            Boolean.toString(showGroupConsensus.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_GROUP_CONSERVATION",
+            Boolean.toString(showGroupConservation.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_CONSENSUS_HISTOGRAM",
+            Boolean.toString(showConsensHistogram.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_CONSENSUS_LOGO",
+            Boolean.toString(showConsensLogo.isSelected()));
+    Cache.applicationProperties.setProperty("ANTI_ALIAS",
+            Boolean.toString(smoothFont.isSelected()));
+    Cache.applicationProperties.setProperty(SCALE_PROTEIN_TO_CDNA,
+            Boolean.toString(scaleProteinToCdna.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_NPFEATS_TOOLTIP",
+            Boolean.toString(showNpTooltip.isSelected()));
+    Cache.applicationProperties.setProperty("SHOW_DBREFS_TOOLTIP",
+            Boolean.toString(showDbRefTooltip.isSelected()));
+
+    Cache.applicationProperties.setProperty("WRAP_ALIGNMENT",
+            Boolean.toString(wrap.isSelected()));
+
+    Cache.applicationProperties.setProperty("STARTUP_FILE",
+            startupFileTextfield.getText());
+    Cache.applicationProperties.setProperty("SHOW_STARTUP_FILE",
+            Boolean.toString(startupCheckbox.isSelected()));
+
+    Cache.applicationProperties.setProperty("SORT_ALIGNMENT",
+            sortby.getSelectedItem().toString());
+
+    // convert description of sort order to enum name for save
+    SequenceAnnotationOrder annSortOrder = SequenceAnnotationOrder
+            .forDescription(sortAnnBy.getSelectedItem().toString());
+    if (annSortOrder != null)
+    {
+      Cache.applicationProperties.setProperty(SORT_ANNOTATIONS,
+              annSortOrder.name());
+    }
+
+    final boolean showAutocalcFirst = sortAutocalc.getSelectedIndex() == 0;
+    Cache.applicationProperties.setProperty(SHOW_AUTOCALC_ABOVE,
+            Boolean.valueOf(showAutocalcFirst).toString());
+
+    /*
+     * Save Colours settings
+     */
+    Cache.applicationProperties.setProperty(DEFAULT_COLOUR_PROT,
+            protColour.getSelectedItem().toString());
+    Cache.applicationProperties.setProperty(DEFAULT_COLOUR_NUC,
+            nucColour.getSelectedItem().toString());
+    Cache.setColourProperty("ANNOTATIONCOLOUR_MIN",
+            minColour.getBackground());
+    Cache.setColourProperty("ANNOTATIONCOLOUR_MAX",
+            maxColour.getBackground());
+
+    /*
+     * Save Overview settings
+     */
+    Cache.setColourProperty(GAP_COLOUR, gapColour.getBackground());
+    Cache.setColourProperty(HIDDEN_COLOUR, hiddenColour.getBackground());
+    Cache.applicationProperties.setProperty(USE_LEGACY_GAP,
+            Boolean.toString(useLegacyGap.isSelected()));
+    Cache.applicationProperties.setProperty(SHOW_OV_HIDDEN_AT_START,
+            Boolean.toString(showHiddenAtStart.isSelected()));
+
+    /*
+     * Save Structure settings
+     */
+    Cache.applicationProperties.setProperty(ADD_TEMPFACT_ANN,
+            Boolean.toString(addTempFactor.isSelected()));
+    Cache.applicationProperties.setProperty(ADD_SS_ANN,
+            Boolean.toString(addSecondaryStructure.isSelected()));
+    Cache.applicationProperties.setProperty(USE_RNAVIEW,
+            Boolean.toString(useRnaView.isSelected()));
+    Cache.applicationProperties.setProperty(STRUCT_FROM_PDB,
+            Boolean.toString(structFromPdb.isSelected()));
+    Cache.applicationProperties.setProperty(STRUCTURE_DISPLAY,
+            structViewer.getSelectedItem().toString());
+    Cache.setOrRemove(CHIMERA_PATH, chimeraPath.getText());
+    Cache.applicationProperties.setProperty("MAP_WITH_SIFTS",
+            Boolean.toString(siftsMapping.isSelected()));
+    SiftsSettings.setMapWithSifts(siftsMapping.isSelected());
+
+    /*
+     * Save Output settings
+     */
+    Cache.applicationProperties.setProperty("EPS_RENDERING",
+            ((OptionsParam) epsRendering.getSelectedItem()).getCode());
+
+    /*
+     * Save Connections settings
+     */
+    Cache.setOrRemove("DEFAULT_BROWSER", defaultBrowser.getText());
+
+    jalview.util.BrowserLauncher.resetBrowser();
+
+    // save user-defined and selected links
+    String menuLinks = sequenceUrlLinks.writeUrlsAsString(true);
+    if (menuLinks.isEmpty())
+    {
+      Cache.applicationProperties.remove("SEQUENCE_LINKS");
+    }
+    else
+    {
+      Cache.applicationProperties.setProperty("SEQUENCE_LINKS",
+              menuLinks.toString());
+    }
+
+    String nonMenuLinks = sequenceUrlLinks.writeUrlsAsString(false);
+    if (nonMenuLinks.isEmpty())
+    {
+      Cache.applicationProperties.remove("STORED_LINKS");
+    }
+    else
+    {
+      Cache.applicationProperties.setProperty("STORED_LINKS",
+              nonMenuLinks.toString());
+    }
+
+    Cache.applicationProperties.setProperty("DEFAULT_URL",
+            sequenceUrlLinks.getPrimaryUrlId());
+
+    Cache.applicationProperties.setProperty("USE_PROXY",
+            Boolean.toString(useProxy.isSelected()));
+
+    Cache.setOrRemove("PROXY_SERVER", proxyServerTB.getText());
+
+    Cache.setOrRemove("PROXY_PORT", proxyPortTB.getText());
+
+    if (useProxy.isSelected())
+    {
+      System.setProperty("http.proxyHost", proxyServerTB.getText());
+      System.setProperty("http.proxyPort", proxyPortTB.getText());
+    }
+    else
+    {
+      System.setProperty("http.proxyHost", "");
+      System.setProperty("http.proxyPort", "");
+    }
+    Cache.setProperty("VERSION_CHECK",
+            Boolean.toString(versioncheck.isSelected()));
+    if (Cache.getProperty("USAGESTATS") != null || usagestats.isSelected())
+    {
+      // default is false - we only set this if the user has actively agreed
+      Cache.setProperty("USAGESTATS",
+              Boolean.toString(usagestats.isSelected()));
+    }
+    if (!questionnaire.isSelected())
+    {
+      Cache.setProperty("NOQUESTIONNAIRES", "true");
+    }
+    else
+    {
+      // special - made easy to edit a property file to disable questionnaires
+      // by just adding the given line
+      Cache.removeProperty("NOQUESTIONNAIRES");
+    }
+
+    /*
+     * Save Output settings
+     */
+    Cache.applicationProperties.setProperty("BLC_JVSUFFIX",
+            Boolean.toString(blcjv.isSelected()));
+    Cache.applicationProperties.setProperty("CLUSTAL_JVSUFFIX",
+            Boolean.toString(clustaljv.isSelected()));
+    Cache.applicationProperties.setProperty("FASTA_JVSUFFIX",
+            Boolean.toString(fastajv.isSelected()));
+    Cache.applicationProperties.setProperty("MSF_JVSUFFIX",
+            Boolean.toString(msfjv.isSelected()));
+    Cache.applicationProperties.setProperty("PFAM_JVSUFFIX",
+            Boolean.toString(pfamjv.isSelected()));
+    Cache.applicationProperties.setProperty("PILEUP_JVSUFFIX",
+            Boolean.toString(pileupjv.isSelected()));
+    Cache.applicationProperties.setProperty("PIR_JVSUFFIX",
+            Boolean.toString(pirjv.isSelected()));
+    Cache.applicationProperties.setProperty("PIR_MODELLER",
+            Boolean.toString(modellerOutput.isSelected()));
+    Cache.applicationProperties.setProperty("EXPORT_EMBBED_BIOJSON",
+            Boolean.toString(embbedBioJSON.isSelected()));
+    jalview.io.PIRFile.useModellerOutput = modellerOutput.isSelected();
+
+    Cache.applicationProperties.setProperty("FIGURE_AUTOIDWIDTH",
+            Boolean.toString(autoIdWidth.isSelected()));
+    userIdWidth_actionPerformed();
+    Cache.applicationProperties.setProperty("FIGURE_FIXEDIDWIDTH",
+            userIdWidth.getText());
+
+    /*
+     * Save Editing settings
+     */
+    Cache.applicationProperties.setProperty("AUTO_CALC_CONSENSUS",
+            Boolean.toString(autoCalculateConsCheck.isSelected()));
+    Cache.applicationProperties.setProperty("SORT_BY_TREE",
+            Boolean.toString(sortByTree.isSelected()));
+    Cache.applicationProperties.setProperty("PAD_GAPS",
+            Boolean.toString(padGaps.isSelected()));
+
+    wsPrefs.updateAndRefreshWsMenuConfig(false);
+
+    /*
+     * Save Backups settings
+     */
+    Cache.applicationProperties.setProperty(BackupFiles.CONFIRM_DELETE_OLD,
+            Boolean.toString(backupfilesConfirmDelete.isSelected()));
+    Cache.applicationProperties.setProperty(BackupFiles.ENABLED,
+            Boolean.toString(enableBackupFiles.isSelected()));
+    Cache.applicationProperties.setProperty(BackupFiles.NO_MAX,
+            Boolean.toString(backupfilesKeepAll.isSelected()));
+    Cache.applicationProperties.setProperty(BackupFiles.REVERSE_ORDER,
+            Boolean.toString(suffixReverse.isSelected()));
+    Cache.applicationProperties.setProperty(BackupFiles.SUFFIX,
+            suffixTemplate.getText());
+    Cache.applicationProperties.setProperty(BackupFiles.ROLL_MAX,
+            Integer.toString(getSpinnerInt(backupfilesRollMaxSpinner, 4)));
+    Cache.applicationProperties.setProperty(BackupFiles.SUFFIX_DIGITS,
+            Integer.toString(getSpinnerInt(suffixDigitsSpinner, 3)));
+    Cache.applicationProperties.setProperty(BackupFiles.NS+"_PRESET",
+            Integer.toString(getComboIntStringKey(backupfilesPresetsCombo)));
+
+    Cache.saveProperties();
+    Desktop.instance.doConfigureStructurePrefs();
+    try
+    {
+      frame.setClosed(true);
+    } catch (Exception ex)
+    {
+    }
+  }
+
+  /**
+   * Do any necessary validation before saving settings. Return focus to the
+   * first tab which fails validation.
+   * 
+   * @return
+   */
+  private boolean validateSettings()
+  {
+    if (!validateStructure())
+    {
+      structureTab.requestFocusInWindow();
+      return false;
+    }
+    return true;
+  }
+
+  @Override
+  protected boolean validateStructure()
+  {
+    return validateChimeraPath();
+
+  }
+
+  /**
+   * DOCUMENT ME!
+   */
+  @Override
+  public void startupFileTextfield_mouseClicked()
+  {
+    String fileFormat = Cache.getProperty("DEFAULT_FILE_FORMAT");
+    JalviewFileChooser chooser = JalviewFileChooser
+            .forRead(Cache.getProperty("LAST_DIRECTORY"), fileFormat);
+    chooser.setFileView(new JalviewFileView());
+    chooser.setDialogTitle(
+            MessageManager.getString("label.select_startup_file"));
+
+    int value = chooser.showOpenDialog(this);
+
+    if (value == JalviewFileChooser.APPROVE_OPTION)
+    {
+      FileFormatI format = chooser.getSelectedFormat();
+      if (format != null)
+      {
+        Cache.applicationProperties.setProperty("DEFAULT_FILE_FORMAT",
+                format.getName());
+      }
+      startupFileTextfield
+              .setText(chooser.getSelectedFile().getAbsolutePath());
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param e
+   *          DOCUMENT ME!
+   */
+  @Override
+  public void cancel_actionPerformed(ActionEvent e)
+  {
+    try
+    {
+      wsPrefs.updateWsMenuConfig(true);
+      wsPrefs.refreshWs_actionPerformed(e);
+      frame.setClosed(true);
+    } catch (Exception ex)
+    {
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param e
+   *          DOCUMENT ME!
+   */
+  @Override
+  public void annotations_actionPerformed(ActionEvent e)
+  {
+    conservation.setEnabled(annotations.isSelected());
+    quality.setEnabled(annotations.isSelected());
+    identity.setEnabled(annotations.isSelected());
+    showOccupancy.setEnabled(annotations.isSelected());
+    showGroupConsensus.setEnabled(annotations.isSelected());
+    showGroupConservation.setEnabled(annotations.isSelected());
+    showConsensHistogram.setEnabled(annotations.isSelected()
+            && (identity.isSelected() || showGroupConsensus.isSelected()));
+    showConsensLogo.setEnabled(annotations.isSelected()
+            && (identity.isSelected() || showGroupConsensus.isSelected()));
+  }
+
+  @Override
+  public void newLink_actionPerformed(ActionEvent e)
+  {
+    GSequenceLink link = new GSequenceLink();
+    boolean valid = false;
+    while (!valid)
+    {
+      if (JvOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
+              MessageManager.getString("label.new_sequence_url_link"),
+              JvOptionPane.OK_CANCEL_OPTION, -1,
+              null) == JvOptionPane.OK_OPTION)
+      {
+        if (link.checkValid())
+        {
+          if (((UrlLinkTableModel) linkUrlTable.getModel())
+                  .isUniqueName(link.getName()))
+          {
+            ((UrlLinkTableModel) linkUrlTable.getModel())
+                    .insertRow(link.getName(), link.getURL());
+            valid = true;
+          }
+          else
+          {
+            link.notifyDuplicate();
+            continue;
+          }
+        }
+      }
+      else
+      {
+        break;
+      }
+    }
+  }
+
+  @Override
+  public void editLink_actionPerformed(ActionEvent e)
+  {
+    GSequenceLink link = new GSequenceLink();
+
+    int index = linkUrlTable.getSelectedRow();
+    if (index == -1)
+    {
+      // button no longer enabled if row is not selected
+      Cache.log.debug("Edit with no row selected in linkUrlTable");
+      return;
+    }
+
+    int nameCol = ((UrlLinkTableModel) linkUrlTable.getModel())
+            .getNameColumn();
+    int urlCol = ((UrlLinkTableModel) linkUrlTable.getModel())
+            .getUrlColumn();
+    String oldName = linkUrlTable.getValueAt(index, nameCol).toString();
+    link.setName(oldName);
+    link.setURL(linkUrlTable.getValueAt(index, urlCol).toString());
+
+    boolean valid = false;
+    while (!valid)
+    {
+      if (JvOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
+              MessageManager.getString("label.edit_sequence_url_link"),
+              JvOptionPane.OK_CANCEL_OPTION, -1,
+              null) == JvOptionPane.OK_OPTION)
+      {
+        if (link.checkValid())
+        {
+          if ((oldName.equals(link.getName()))
+                  || (((UrlLinkTableModel) linkUrlTable.getModel())
+                          .isUniqueName(link.getName())))
+          {
+            linkUrlTable.setValueAt(link.getName(), index, nameCol);
+            linkUrlTable.setValueAt(link.getURL(), index, urlCol);
+            valid = true;
+          }
+          else
+          {
+            link.notifyDuplicate();
+            continue;
+          }
+        }
+      }
+      else
+      {
+        break;
+      }
+    }
+  }
+
+  @Override
+  public void deleteLink_actionPerformed(ActionEvent e)
+  {
+    int index = linkUrlTable.getSelectedRow();
+    int modelIndex = -1;
+    if (index == -1)
+    {
+      // button no longer enabled if row is not selected
+      Cache.log.debug("Delete with no row selected in linkUrlTable");
+      return;
+    }
+    else
+    {
+      modelIndex = linkUrlTable.convertRowIndexToModel(index);
+    }
+
+    // make sure we use the model index to delete, and not the table index
+    ((UrlLinkTableModel) linkUrlTable.getModel()).removeRow(modelIndex);
+  }
+
+  @Override
+  public void defaultBrowser_mouseClicked(MouseEvent e)
+  {
+    JFileChooser chooser = new JFileChooser(".");
+    chooser.setDialogTitle(
+            MessageManager.getString("label.select_default_browser"));
+
+    int value = chooser.showOpenDialog(this);
+
+    if (value == JFileChooser.APPROVE_OPTION)
+    {
+      defaultBrowser.setText(chooser.getSelectedFile().getAbsolutePath());
+    }
+
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GPreferences#showunconserved_actionPerformed(java.awt.event
+   * .ActionEvent)
+   */
+  @Override
+  protected void showunconserved_actionPerformed(ActionEvent e)
+  {
+    // TODO Auto-generated method stub
+    super.showunconserved_actionPerformed(e);
+  }
+
+  public static List<String> getGroupURLLinks()
+  {
+    return groupURLLinks;
+  }
+
+  @Override
+  public void minColour_actionPerformed(JPanel panel)
+  {
+    Color col = JColorChooser.showDialog(this,
+            MessageManager.getString("label.select_colour_minimum_value"),
+            minColour.getBackground());
+    if (col != null)
+    {
+      panel.setBackground(col);
+    }
+    panel.repaint();
+  }
+
+  @Override
+  public void maxColour_actionPerformed(JPanel panel)
+  {
+    Color col = JColorChooser.showDialog(this,
+            MessageManager.getString("label.select_colour_maximum_value"),
+            maxColour.getBackground());
+    if (col != null)
+    {
+      panel.setBackground(col);
+    }
+    panel.repaint();
+  }
+
+  @Override
+  public void gapColour_actionPerformed(JPanel gap)
+  {
+    if (!useLegacyGap.isSelected())
+    {
+      Color col = JColorChooser.showDialog(this,
+              MessageManager.getString("label.select_gap_colour"),
+              gapColour.getBackground());
+      if (col != null)
+      {
+        gap.setBackground(col);
+      }
+      gap.repaint();
+    }
+  }
+
+  @Override
+  public void hiddenColour_actionPerformed(JPanel hidden)
+  {
+    Color col = JColorChooser.showDialog(this,
+            MessageManager.getString("label.select_hidden_colour"),
+            hiddenColour.getBackground());
+    if (col != null)
+    {
+      hidden.setBackground(col);
+    }
+    hidden.repaint();
+  }
+
+  @Override
+  protected void useLegacyGaps_actionPerformed(ActionEvent e)
+  {
+    boolean enabled = useLegacyGap.isSelected();
+    if (enabled)
+    {
+      gapColour.setBackground(
+              jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_LEGACY_GAP);
+    }
+    else
+    {
+      gapColour.setBackground(
+              jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_GAP);
+    }
+    gapColour.setEnabled(!enabled);
+    gapLabel.setEnabled(!enabled);
+  }
+
+  @Override
+  protected void resetOvDefaults_actionPerformed(ActionEvent e)
+  {
+    useLegacyGap.setSelected(false);
+    useLegacyGaps_actionPerformed(null);
+    showHiddenAtStart.setSelected(true);
+    hiddenColour.setBackground(
+            jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_HIDDEN);
+  }
+
+  @Override
+  protected void userIdWidth_actionPerformed()
+  {
+    try
+    {
+      String val = userIdWidth.getText().trim();
+      if (val.length() > 0)
+      {
+        Integer iw = Integer.parseInt(val);
+        if (iw.intValue() < 12)
+        {
+          throw new NumberFormatException();
+        }
+        userIdWidth.setText(iw.toString());
+      }
+    } catch (NumberFormatException x)
+    {
+      JvOptionPane.showInternalMessageDialog(Desktop.desktop,
+              MessageManager
+                      .getString("warn.user_defined_width_requirements"),
+              MessageManager.getString("label.invalid_id_column_width"),
+              JvOptionPane.WARNING_MESSAGE);
+      userIdWidth.setText("");
+    }
+  }
+
+  @Override
+  protected void autoIdWidth_actionPerformed()
+  {
+    userIdWidth.setEnabled(!autoIdWidth.isSelected());
+    userIdWidthlabel.setEnabled(!autoIdWidth.isSelected());
+  }
+
+  /**
+   * Returns true if chimera path is to a valid executable, else show an error
+   * dialog.
+   */
+  private boolean validateChimeraPath()
+  {
+    if (chimeraPath.getText().trim().length() > 0)
+    {
+      File f = new File(chimeraPath.getText());
+      if (!f.canExecute())
+      {
+        JvOptionPane.showInternalMessageDialog(Desktop.desktop,
+                MessageManager.getString("label.invalid_chimera_path"),
+                MessageManager.getString("label.invalid_name"),
+                JvOptionPane.ERROR_MESSAGE);
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * If Chimera is selected, check it can be found on default or user-specified
+   * path, if not show a warning/help dialog.
+   */
+  @Override
+  protected void structureViewer_actionPerformed(String selectedItem)
+  {
+    if (!selectedItem.equals(ViewerType.CHIMERA.name()))
+    {
+      return;
+    }
+    boolean found = false;
+
+    /*
+     * Try user-specified and standard paths for Chimera executable.
+     */
+    List<String> paths = StructureManager.getChimeraPaths();
+    paths.add(0, chimeraPath.getText());
+    for (String path : paths)
+    {
+      if (new File(path.trim()).canExecute())
+      {
+        found = true;
+        break;
+      }
+    }
+    if (!found)
+    {
+      String[] options = { "OK", "Help" };
+      int showHelp = JvOptionPane.showInternalOptionDialog(Desktop.desktop,
+              JvSwingUtils.wrapTooltip(true,
+                      MessageManager.getString("label.chimera_missing")),
+              "", JvOptionPane.YES_NO_OPTION, JvOptionPane.WARNING_MESSAGE,
+              null, options, options[0]);
+      if (showHelp == JvOptionPane.NO_OPTION)
+      {
+        try
+        {
+          Help.showHelpWindow(HelpId.StructureViewer);
+        } catch (HelpSetException e)
+        {
+          e.printStackTrace();
+        }
+      }
+    }
+  }
+
+  public class OptionsParam
+  {
+    private String name;
+
+    private String code;
+
+    public OptionsParam(String name, String code)
+    {
+      this.name = name;
+      this.code = code;
+    }
+
+    public String getName()
+    {
+      return name;
+    }
+
+    public void setName(String name)
+    {
+      this.name = name;
+    }
+
+    public String getCode()
+    {
+      return code;
+    }
+
+    public void setCode(String code)
+    {
+      this.code = code;
+    }
+
+    @Override
+    public String toString()
+    {
+      return name;
+    }
+
+    @Override
+    public boolean equals(Object that)
+    {
+      if (!(that instanceof OptionsParam))
+      {
+        return false;
+      }
+      return this.code.equalsIgnoreCase(((OptionsParam) that).code);
+    }
+
+    @Override
+    public int hashCode()
+    {
+      return name.hashCode() + code.hashCode();
+    }
+  }
+
+  private class UrlListSelectionHandler implements ListSelectionListener
+  {
+
+    @Override
+    public void valueChanged(ListSelectionEvent e)
+    {
+      ListSelectionModel lsm = (ListSelectionModel) e.getSource();
+
+      int index = lsm.getMinSelectionIndex();
+      if (index == -1)
+      {
+        // no selection, so disable delete/edit buttons
+        editLink.setEnabled(false);
+        deleteLink.setEnabled(false);
+        return;
+      }
+      int modelIndex = linkUrlTable.convertRowIndexToModel(index);
+
+      // enable/disable edit and delete link buttons
+      if (((UrlLinkTableModel) linkUrlTable.getModel())
+              .isRowDeletable(modelIndex))
+      {
+        deleteLink.setEnabled(true);
+      }
+      else
+      {
+        deleteLink.setEnabled(false);
+      }
+
+      if (((UrlLinkTableModel) linkUrlTable.getModel())
+              .isRowEditable(modelIndex))
+      {
+        editLink.setEnabled(true);
+      }
+      else
+      {
+        editLink.setEnabled(false);
+      }
+    }
+  }
+}