JAL-1645 Version-Rel Version 2.9 Year-Rel 2015 Licensing glob
[jalview.git] / src / jalview / gui / Preferences.java
index e16aa42..78a21c8 100755 (executable)
-/*\r
- * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
- *\r
- * This program is free software; you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License\r
- * as published by the Free Software Foundation; either version 2\r
- * of the License, or (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
- */\r
-package jalview.gui;\r
-\r
-import java.util.*;\r
-\r
-import java.awt.*;\r
-import java.awt.event.*;\r
-import javax.swing.*;\r
-\r
-import jalview.bin.*;\r
-import jalview.io.*;\r
-import jalview.jbgui.*;\r
-import jalview.schemes.*;\r
-\r
-/**\r
- * DOCUMENT ME!\r
- *\r
- * @author $author$\r
- * @version $Revision$\r
- */\r
-public class Preferences\r
-    extends GPreferences\r
-{\r
-  /** Holds name and link separated with | character. Sequence ID must be $SEQUENCE_ID$ */\r
-  public static Vector sequenceURLLinks;\r
-  static\r
-  {\r
-    String string = Cache.getDefault("SEQUENCE_LINKS",\r
-                                     "SRS|http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-newId+(([uniprot-all:$SEQUENCE_ID$]))+-view+SwissEntry");\r
-    sequenceURLLinks = new Vector();\r
-\r
-    try\r
-    {\r
-      StringTokenizer st = new StringTokenizer(string, "|");\r
-      while (st.hasMoreElements())\r
-      {\r
-        sequenceURLLinks.addElement(st.nextToken() + "|" + st.nextToken());\r
-      }\r
-    }\r
-    catch (Exception ex)\r
-    {\r
-      System.out.println(ex + "\nError parsing sequence links");\r
-    }\r
-  }\r
-\r
-  Vector nameLinks, urlLinks;\r
-\r
-  JInternalFrame frame;\r
-\r
-  DasSourceBrowser dasSource;\r
-\r
-  /**\r
-   * Creates a new Preferences object.\r
-   */\r
-  public Preferences()\r
-  {\r
-\r
-    frame = new JInternalFrame();\r
-    frame.setContentPane(this);\r
-    dasSource = new DasSourceBrowser();\r
-    dasPanel.add(dasSource, BorderLayout.CENTER);\r
-\r
-    int width = 500, height = 420;\r
-    if (System.getProperty("os.name").startsWith("Mac"))\r
-    {\r
-      width = 570;\r
-      height = 460;\r
-    }\r
-\r
-    Desktop.addInternalFrame(frame, "Preferences", width, height);\r
-    frame.setMinimumSize(new Dimension(width, height));\r
-\r
-    seqLimit.setSelected(Cache.getDefault("SHOW_JVSUFFIX", true));\r
-    rightAlign.setSelected(Cache.getDefault("RIGHT_ALIGN_IDS", false));\r
-    fullScreen.setSelected(Cache.getDefault("SHOW_FULLSCREEN", false));\r
-    annotations.setSelected(Cache.getDefault("SHOW_ANNOTATIONS", true));\r
-\r
-    conservation.setEnabled(Cache.getDefault("SHOW_ANNOTATIONS", true));\r
-    quality.setEnabled(Cache.getDefault("SHOW_ANNOTATIONS", true));\r
-    identity.setEnabled(Cache.getDefault("SHOW_ANNOTATIONS", true));\r
-\r
-    conservation.setSelected(Cache.getDefault("SHOW_CONSERVATION", true));\r
-    quality.setSelected(Cache.getDefault("SHOW_QUALITY", true));\r
-    identity.setSelected(Cache.getDefault("SHOW_IDENTITY", true));\r
-\r
-    for (int i = 0; i < 13; i++)\r
-    {\r
-      colour.addItem(ColourSchemeProperty.getColourName(i));\r
-    }\r
-\r
-    String string = Cache.getDefault("DEFAULT_COLOUR", "None");\r
-\r
-    colour.setSelectedItem(string);\r
-\r
-    String[] fonts = java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment()\r
-        .getAvailableFontFamilyNames();\r
-\r
-    for (int i = 0; i < fonts.length; i++)\r
-    {\r
-      fontNameCB.addItem(fonts[i]);\r
-    }\r
-\r
-    for (int i = 1; i < 31; i++)\r
-    {\r
-      fontSizeCB.addItem(i + "");\r
-    }\r
-\r
-    fontStyleCB.addItem("plain");\r
-    fontStyleCB.addItem("bold");\r
-    fontStyleCB.addItem("italic");\r
-\r
-    fontNameCB.setSelectedItem(Cache.getDefault("FONT_NAME", "SansSerif"));\r
-    fontSizeCB.setSelectedItem(Cache.getDefault("FONT_SIZE", "10"));\r
-    fontStyleCB.setSelectedItem(Cache.getDefault("FONT_STYLE", Font.PLAIN + ""));\r
-\r
-    smoothFont.setSelected(Cache.getDefault("ANTI_ALIAS", false));\r
-\r
-    idItalics.setSelected(Cache.getDefault("ID_ITALICS", true));\r
-\r
-    wrap.setSelected(Cache.getDefault("WRAP_ALIGNMENT", false));\r
-\r
-    gapSymbolCB.addItem("-");\r
-    gapSymbolCB.addItem(".");\r
-\r
-    gapSymbolCB.setSelectedItem(Cache.getDefault("GAP_SYMBOL", "-"));\r
-\r
-    startupCheckbox.setSelected(Cache.getDefault("SHOW_STARTUP_FILE", true));\r
-    startupFileTextfield.setText(Cache.getDefault("STARTUP_FILE",\r
-                                                  "http://www.jalview.org/examples/exampleFile.jar"));\r
-\r
-    sortby.addItem("No sort");\r
-    sortby.addItem("Id");\r
-    sortby.addItem("Pairwise Identity");\r
-    sortby.setSelectedItem(Cache.getDefault("SORT_ALIGNMENT", "No sort"));\r
-\r
-    epsRendering.addItem("Prompt each time");\r
-    epsRendering.addItem("Lineart");\r
-    epsRendering.addItem("Text");\r
-    epsRendering.setSelectedItem(Cache.getDefault("EPS_RENDERING",\r
-                                                  "Prompt each time"));\r
-\r
-    blcjv.setSelected(Cache.getDefault("BLC_JVSUFFIX", true));\r
-    clustaljv.setSelected(Cache.getDefault("CLUSTAL_JVSUFFIX", true));\r
-    fastajv.setSelected(Cache.getDefault("FASTA_JVSUFFIX", true));\r
-    msfjv.setSelected(Cache.getDefault("MSF_JVSUFFIX", true));\r
-    pfamjv.setSelected(Cache.getDefault("PFAM_JVSUFFIX", true));\r
-    pileupjv.setSelected(Cache.getDefault("PILEUP_JVSUFFIX", true));\r
-    pirjv.setSelected(Cache.getDefault("PIR_JVSUFFIX", true));\r
-\r
-    modellerOutput.setSelected(Cache.getDefault("PIR_MODELLER", false));\r
-\r
-    autoCalculateConsCheck.setSelected(Cache.getDefault("AUTO_CALC_CONSENSUS", true));\r
-    padGaps.setSelected(Cache.getDefault("PAD_GAPS", false));\r
-\r
-    /****************************************************\r
-     * Set up Connections\r
-     */\r
-    nameLinks = new Vector();\r
-    urlLinks = new Vector();\r
-    for (int i = 0; i < sequenceURLLinks.size(); i++)\r
-    {\r
-      String link = sequenceURLLinks.elementAt(i).toString();\r
-      nameLinks.addElement(link.substring(0, link.indexOf("|")));\r
-      urlLinks.addElement(link.substring(link.indexOf("|") + 1));\r
-    }\r
-\r
-    updateLinkData();\r
-\r
-    useProxy.setSelected(Cache.getDefault("USE_PROXY", false));\r
-    proxyServerTB.setEnabled(useProxy.isSelected());\r
-    proxyPortTB.setEnabled(useProxy.isSelected());\r
-    proxyServerTB.setText(Cache.getDefault("PROXY_SERVER", ""));\r
-    proxyPortTB.setText(Cache.getDefault("PROXY_PORT", ""));\r
-\r
-    defaultBrowser.setText(Cache.getDefault("DEFAULT_BROWSER", ""));\r
-    try\r
-    {\r
-      jbInit();\r
-    }\r
-    catch (Exception ex)\r
-    {\r
-      ex.printStackTrace();\r
-    }\r
-\r
-  }\r
-\r
-  /**\r
-   * DOCUMENT ME!\r
-   *\r
-   * @param e DOCUMENT ME!\r
-   */\r
-  public void ok_actionPerformed(ActionEvent e)\r
-  {\r
-\r
-    Cache.applicationProperties.setProperty("SHOW_JVSUFFIX",\r
-                                            Boolean.toString(seqLimit.\r
-        isSelected()));\r
-    Cache.applicationProperties.setProperty("RIGHT_ALIGN_IDS",\r
-                                            Boolean.toString(rightAlign.\r
-        isSelected()));\r
-    Cache.applicationProperties.setProperty("SHOW_FULLSCREEN",\r
-                                            Boolean.toString(fullScreen.\r
-        isSelected()));\r
-\r
-    Cache.applicationProperties.setProperty("SHOW_ANNOTATIONS",\r
-                                            Boolean.\r
-                                            toString(annotations.isSelected()));\r
-    Cache.applicationProperties.setProperty("SHOW_CONSERVATION",\r
-                                            Boolean.\r
-                                            toString(conservation.isSelected()));\r
-    Cache.applicationProperties.setProperty("SHOW_QUALITY",\r
-                                            Boolean.toString(quality.isSelected()));\r
-    Cache.applicationProperties.setProperty("SHOW_IDENTITY",\r
-                                            Boolean.toString(identity.\r
-        isSelected()));\r
-\r
-    Cache.applicationProperties.setProperty("DEFAULT_COLOUR",\r
-                                            colour.getSelectedItem().toString());\r
-    Cache.applicationProperties.setProperty("GAP_SYMBOL",\r
-                                            gapSymbolCB.getSelectedItem().\r
-                                            toString());\r
-\r
-    Cache.applicationProperties.setProperty("FONT_NAME",\r
-                                            fontNameCB.getSelectedItem().\r
-                                            toString());\r
-    Cache.applicationProperties.setProperty("FONT_STYLE",\r
-                                            fontStyleCB.getSelectedItem().\r
-                                            toString());\r
-    Cache.applicationProperties.setProperty("FONT_SIZE",\r
-                                            fontSizeCB.getSelectedItem().\r
-                                            toString());\r
-\r
-    Cache.applicationProperties.setProperty("ID_ITALICS",\r
-                                            Boolean.toString(idItalics.\r
-        isSelected()));\r
-\r
-    Cache.applicationProperties.setProperty("ANTI_ALIAS",\r
-                                            Boolean.toString(smoothFont.\r
-        isSelected()));\r
-\r
-    Cache.applicationProperties.setProperty("WRAP_ALIGNMENT",\r
-                                            Boolean.toString(wrap.isSelected()));\r
-\r
-    Cache.applicationProperties.setProperty("STARTUP_FILE",\r
-                                            startupFileTextfield.getText());\r
-    Cache.applicationProperties.setProperty("SHOW_STARTUP_FILE",\r
-                                            Boolean.\r
-                                            toString(startupCheckbox.isSelected()));\r
-\r
-    Cache.applicationProperties.setProperty("SORT_ALIGNMENT",\r
-                                            sortby.getSelectedItem().toString());\r
-\r
-    if (epsRendering.getSelectedItem().equals("Prompt each time"))\r
-    {\r
-      Cache.applicationProperties.remove("EPS_RENDERING");\r
-    }\r
-    else\r
-    {\r
-      Cache.applicationProperties.setProperty("EPS_RENDERING",\r
-                                              epsRendering.getSelectedItem().\r
-                                              toString());\r
-    }\r
-\r
-    if (defaultBrowser.getText().trim().length() < 1)\r
-    {\r
-      Cache.applicationProperties.remove("DEFAULT_BROWSER");\r
-    }\r
-    else\r
-    {\r
-      Cache.applicationProperties.setProperty("DEFAULT_BROWSER",\r
-                                              defaultBrowser.getText());\r
-    }\r
-\r
-    jalview.util.BrowserLauncher.resetBrowser();\r
-\r
-    if (nameLinks.size() > 0)\r
-    {\r
-      StringBuffer links = new StringBuffer();\r
-      sequenceURLLinks = new Vector();\r
-      for (int i = 0; i < nameLinks.size(); i++)\r
-      {\r
-        sequenceURLLinks.addElement(nameLinks.elementAt(i) + "|" +\r
-                                    urlLinks.elementAt(i));\r
-        links.append(sequenceURLLinks.elementAt(i).toString());\r
-        links.append("|");\r
-      }\r
-      // remove last "|"\r
-      links.setLength(links.length() - 1);\r
-      Cache.applicationProperties.setProperty("SEQUENCE_LINKS", links.toString());\r
-    }\r
-    else\r
-    {\r
-      Cache.applicationProperties.remove("SEQUENCE_LINKS");\r
-    }\r
-\r
-    Cache.applicationProperties.setProperty("USE_PROXY",\r
-                                            Boolean.toString(useProxy.\r
-        isSelected()));\r
-\r
-    if (proxyServerTB.getText().trim().length() < 1)\r
-    {\r
-      Cache.applicationProperties.remove("PROXY_SERVER");\r
-    }\r
-    else\r
-    {\r
-      Cache.applicationProperties.setProperty("PROXY_SERVER",\r
-                                              proxyServerTB.getText());\r
-    }\r
-\r
-    if (proxyPortTB.getText().trim().length() < 1)\r
-    {\r
-      Cache.applicationProperties.remove("PROXY_PORT");\r
-    }\r
-    else\r
-    {\r
-      Cache.applicationProperties.setProperty("PROXY_PORT", proxyPortTB.getText());\r
-    }\r
-\r
-    if (useProxy.isSelected())\r
-    {\r
-      System.setProperty("http.proxyHost", proxyServerTB.getText());\r
-      System.setProperty("http.proxyPort", proxyPortTB.getText());\r
-    }\r
-    else\r
-    {\r
-      System.setProperty("http.proxyHost", "");\r
-      System.setProperty("http.proxyPort", "");\r
-    }\r
-\r
-    Cache.applicationProperties.setProperty("BLC_JVSUFFIX",\r
-                                            Boolean.toString(blcjv.isSelected()));\r
-    Cache.applicationProperties.setProperty("CLUSTAL_JVSUFFIX",\r
-                                            Boolean.\r
-                                            toString(clustaljv.isSelected()));\r
-    Cache.applicationProperties.setProperty("FASTA_JVSUFFIX",\r
-                                            Boolean.toString(fastajv.isSelected()));\r
-    Cache.applicationProperties.setProperty("MSF_JVSUFFIX",\r
-                                            Boolean.toString(msfjv.isSelected()));\r
-    Cache.applicationProperties.setProperty("PFAM_JVSUFFIX",\r
-                                            Boolean.toString(pfamjv.isSelected()));\r
-    Cache.applicationProperties.setProperty("PILEUP_JVSUFFIX",\r
-                                            Boolean.toString(pileupjv.\r
-        isSelected()));\r
-    Cache.applicationProperties.setProperty("PIR_JVSUFFIX",\r
-                                            Boolean.toString(pirjv.isSelected()));\r
-    Cache.applicationProperties.setProperty("PIR_MODELLER",\r
-                                            Boolean.toString(modellerOutput.\r
-        isSelected()));\r
-    jalview.io.PIRFile.useModellerOutput = modellerOutput.isSelected();\r
-\r
-    Cache.applicationProperties.setProperty("AUTO_CALC_CONSENSUS",\r
-                                            Boolean.toString(\r
-        autoCalculateConsCheck.isSelected()));\r
-    Cache.applicationProperties.setProperty("PAD_GAPS",\r
-                                            Boolean.toString(padGaps.isSelected()));\r
-\r
-    dasSource.saveProperties(Cache.applicationProperties);\r
-\r
-    Cache.saveProperties();\r
-    try\r
-    {\r
-      frame.setClosed(true);\r
-    }\r
-    catch (Exception ex)\r
-    {\r
-    }\r
-  }\r
-\r
-  /**\r
-   * DOCUMENT ME!\r
-   */\r
-  public void startupFileTextfield_mouseClicked()\r
-  {\r
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.\r
-        getProperty(\r
-            "LAST_DIRECTORY"),\r
-        new String[]\r
-        {\r
-        "fa, fasta, fastq", "aln", "pfam", "msf", "pir", "blc",\r
-        "jar"\r
-    },\r
-        new String[]\r
-        {\r
-        "Fasta", "Clustal", "PFAM", "MSF", "PIR", "BLC", "Jalview"\r
-    }, jalview.bin.Cache.getProperty("DEFAULT_FILE_FORMAT"));\r
-    chooser.setFileView(new JalviewFileView());\r
-    chooser.setDialogTitle("Select startup file");\r
-\r
-    int value = chooser.showOpenDialog(this);\r
-\r
-    if (value == JalviewFileChooser.APPROVE_OPTION)\r
-    {\r
-      jalview.bin.Cache.applicationProperties.setProperty("DEFAULT_FILE_FORMAT",\r
-          chooser.getSelectedFormat());\r
-      startupFileTextfield.setText(chooser.getSelectedFile()\r
-                                   .getAbsolutePath());\r
-    }\r
-  }\r
-\r
-  /**\r
-   * DOCUMENT ME!\r
-   *\r
-   * @param e DOCUMENT ME!\r
-   */\r
-  public void cancel_actionPerformed(ActionEvent e)\r
-  {\r
-    try\r
-    {\r
-      frame.setClosed(true);\r
-    }\r
-    catch (Exception ex)\r
-    {\r
-    }\r
-  }\r
-\r
-  /**\r
-   * DOCUMENT ME!\r
-   *\r
-   * @param e DOCUMENT ME!\r
-   */\r
-  public void annotations_actionPerformed(ActionEvent e)\r
-  {\r
-    conservation.setEnabled(annotations.isSelected());\r
-    quality.setEnabled(annotations.isSelected());\r
-    identity.setEnabled(annotations.isSelected());\r
-  }\r
-\r
-  public void newLink_actionPerformed(ActionEvent e)\r
-  {\r
-\r
-    GSequenceLink link = new GSequenceLink();\r
-    boolean valid = false;\r
-    while (!valid)\r
-    {\r
-      if (JOptionPane.showInternalConfirmDialog(Desktop.desktop, link,\r
-                                                "New sequence URL link",\r
-                                                JOptionPane.OK_CANCEL_OPTION\r
-                                                , -1, null)\r
-          == JOptionPane.OK_OPTION)\r
-      {\r
-        if (link.checkValid())\r
-        {\r
-          nameLinks.addElement(link.getName());\r
-          urlLinks.addElement(link.getURL());\r
-          updateLinkData();\r
-          valid = true;\r
-        }\r
-      }\r
-      else\r
-      {\r
-        break;\r
-      }\r
-    }\r
-  }\r
-\r
-  public void editLink_actionPerformed(ActionEvent e)\r
-  {\r
-    GSequenceLink link = new GSequenceLink();\r
-\r
-    int index = linkNameList.getSelectedIndex();\r
-    if (index == -1)\r
-    {\r
-      JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
-                                            "No link selected!"\r
-                                            , "No link selected",\r
-                                            JOptionPane.WARNING_MESSAGE);\r
-      return;\r
-    }\r
-\r
-    link.setName(nameLinks.elementAt(index).toString());\r
-    link.setURL(urlLinks.elementAt(index).toString());\r
-\r
-    boolean valid = false;\r
-    while (!valid)\r
-    {\r
-\r
-      if (JOptionPane.showInternalConfirmDialog(Desktop.desktop, link,\r
-                                                "New sequence URL link",\r
-                                                JOptionPane.OK_CANCEL_OPTION\r
-                                                , -1, null)\r
-          == JOptionPane.OK_OPTION)\r
-      {\r
-        if (link.checkValid())\r
-        {\r
-          nameLinks.setElementAt(link.getName(), index);\r
-          urlLinks.setElementAt(link.getURL(), index);\r
-          updateLinkData();\r
-          valid = true;\r
-        }\r
-      }\r
-\r
-      else\r
-      {\r
-        break;\r
-      }\r
-    }\r
-  }\r
-\r
-  public void deleteLink_actionPerformed(ActionEvent e)\r
-  {\r
-    int index = linkNameList.getSelectedIndex();\r
-    if (index == -1)\r
-    {\r
-      JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
-                                            "No link selected!"\r
-                                            , "No link selected",\r
-                                            JOptionPane.WARNING_MESSAGE);\r
-      return;\r
-    }\r
-    nameLinks.removeElementAt(index);\r
-    urlLinks.removeElementAt(index);\r
-    updateLinkData();\r
-  }\r
-\r
-  void updateLinkData()\r
-  {\r
-    linkNameList.setListData(nameLinks);\r
-    linkURLList.setListData(urlLinks);\r
-  }\r
-\r
-  public void defaultBrowser_mouseClicked(MouseEvent e)\r
-  {\r
-    JFileChooser chooser = new JFileChooser(".");\r
-    chooser.setDialogTitle("Select default web browser");\r
-\r
-    int value = chooser.showOpenDialog(this);\r
-\r
-    if (value == JFileChooser.APPROVE_OPTION)\r
-    {\r
-      defaultBrowser.setText(chooser.getSelectedFile().getAbsolutePath());\r
-    }\r
-\r
-  }\r
-\r
-  private void jbInit()\r
-      throws Exception\r
-  {\r
-  }\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9)
+ * Copyright (C) 2015 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.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.jbgui.GPreferences;
+import jalview.jbgui.GSequenceLink;
+import jalview.schemes.ColourSchemeProperty;
+import jalview.util.MessageManager;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+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.Collection;
+import java.util.List;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+import javax.help.HelpSetException;
+import javax.swing.JColorChooser;
+import javax.swing.JFileChooser;
+import javax.swing.JInternalFrame;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+
+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";
+
+  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 Vector sequenceURLLinks;
+
+  /**
+   * 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 Vector groupURLLinks;
+  static
+  {
+    String string = Cache
+            .getDefault(
+                    "SEQUENCE_LINKS",
+                    "EMBL-EBI Search|http://www.ebi.ac.uk/ebisearch/search.ebi?db=allebi&query=$SEQUENCE_ID$");
+    sequenceURLLinks = new Vector();
+
+    try
+    {
+      StringTokenizer st = new StringTokenizer(string, "|");
+      while (st.hasMoreElements())
+      {
+        String name = st.nextToken();
+        String url = st.nextToken();
+        // check for '|' within a regex
+        int rxstart = url.indexOf("$SEQUENCE_ID$");
+        while (rxstart == -1 && url.indexOf("/=$") == -1)
+        {
+          url = url + "|" + st.nextToken();
+        }
+        sequenceURLLinks.addElement(name + "|" + url);
+      }
+    } catch (Exception ex)
+    {
+      System.out.println(ex + "\nError parsing sequence links");
+    }
+    {
+      // upgrade old SRS link
+      int srsPos = sequenceURLLinks
+              .indexOf("SRS|http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-newId+(([uniprot-all:$SEQUENCE_ID$]))+-view+SwissEntry");
+      if (srsPos > -1)
+      {
+        sequenceURLLinks
+                .setElementAt(
+                        "EMBL-EBI Search|http://www.ebi.ac.uk/ebisearch/search.ebi?db=allebi&query=$SEQUENCE_ID$",
+                        srsPos);
+      }
+    }
+
+    /**
+     * TODO: reformulate groupURL encoding so two or more can be stored in the
+     * .properties file as '|' separated strings
+     */
+
+    groupURLLinks = new Vector();
+  }
+
+  Vector nameLinks, urlLinks;
+
+  JInternalFrame frame;
+
+  DasSourceBrowser dasSource;
+
+  private WsPreferences wsPrefs;
+
+  /**
+   * Creates a new Preferences object.
+   */
+  public Preferences()
+  {
+    super();
+    frame = new JInternalFrame();
+    frame.setContentPane(this);
+    dasSource = new DasSourceBrowser();
+    dasTab.add(dasSource, BorderLayout.CENTER);
+    wsPrefs = new WsPreferences();
+    wsTab.add(wsPrefs, BorderLayout.CENTER);
+    int width = 500, height = 450;
+    if (new jalview.util.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));
+    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
+     */
+    for (int i = ColourSchemeProperty.FIRST_COLOUR; i <= ColourSchemeProperty.LAST_COLOUR; i++)
+    {
+      protColour.addItem(ColourSchemeProperty.getColourName(i));
+      nucColour.addItem(ColourSchemeProperty.getColourName(i));
+    }
+    String oldProp = Cache.getDefault(DEFAULT_COLOUR, "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 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();
+      }
+    });
+
+    /*
+     * Set Connections tab defaults
+     */
+    nameLinks = new Vector();
+    urlLinks = new Vector();
+    for (int i = 0; i < sequenceURLLinks.size(); i++)
+    {
+      String link = sequenceURLLinks.elementAt(i).toString();
+      nameLinks.addElement(link.substring(0, link.indexOf("|")));
+      urlLinks.addElement(link.substring(link.indexOf("|") + 1));
+    }
+
+    updateLinkData();
+
+    useProxy.setSelected(Cache.getDefault("USE_PROXY", false));
+    proxyServerTB.setEnabled(useProxy.isSelected());
+    proxyPortTB.setEnabled(useProxy.isSelected());
+    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(MessageManager.getString("label.prompt_each_time"));
+    epsRendering.addItem(MessageManager.getString("label.lineart"));
+    epsRendering.addItem(MessageManager.getString("action.text"));
+    epsRendering.setSelectedItem(Cache.getDefault("EPS_RENDERING",
+            "Prompt each time"));
+    autoIdWidth.setSelected(Cache.getDefault("FIGURE_AUTOIDWIDTH", false));
+    userIdWidth.setEnabled(!autoIdWidth.isSelected());
+    userIdWidthlabel.setEnabled(!autoIdWidth.isSelected());
+    Integer wi = Cache.getIntegerProperty("FIGURE_USERIDWIDTH");
+    userIdWidth.setText(wi == null ? "" : wi.toString());
+    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
+  }
+
+  /**
+   * Save user selections on the Preferences tabs to the Cache and write out to
+   * file.
+   * 
+   * @param e
+   */
+  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_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 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());
+
+    /*
+     * Save Output settings
+     */
+    if (epsRendering.getSelectedItem().equals("Prompt each time"))
+    {
+      Cache.applicationProperties.remove("EPS_RENDERING");
+    }
+    else
+    {
+      Cache.applicationProperties.setProperty("EPS_RENDERING", epsRendering
+              .getSelectedItem().toString());
+    }
+
+    /*
+     * Save Connections settings
+     */
+    Cache.setOrRemove("DEFAULT_BROWSER", defaultBrowser.getText());
+
+    jalview.util.BrowserLauncher.resetBrowser();
+
+    if (nameLinks.size() > 0)
+    {
+      StringBuffer links = new StringBuffer();
+      sequenceURLLinks = new Vector();
+      for (int i = 0; i < nameLinks.size(); i++)
+      {
+        sequenceURLLinks.addElement(nameLinks.elementAt(i) + "|"
+                + urlLinks.elementAt(i));
+        links.append(sequenceURLLinks.elementAt(i).toString());
+        links.append("|");
+      }
+      // remove last "|"
+      links.setLength(links.length() - 1);
+      Cache.applicationProperties.setProperty("SEQUENCE_LINKS",
+              links.toString());
+    }
+    else
+    {
+      Cache.applicationProperties.remove("SEQUENCE_LINKS");
+    }
+
+    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_USERIDWIDTH",
+            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()));
+
+    dasSource.saveProperties(Cache.applicationProperties);
+    wsPrefs.updateAndRefreshWsMenuConfig(false);
+    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!
+   */
+  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(MessageManager
+            .getString("label.select_startup_file"));
+
+    int value = chooser.showOpenDialog(this);
+
+    if (value == JalviewFileChooser.APPROVE_OPTION)
+    {
+      jalview.bin.Cache.applicationProperties.setProperty(
+              "DEFAULT_FILE_FORMAT", chooser.getSelectedFormat());
+      startupFileTextfield.setText(chooser.getSelectedFile()
+              .getAbsolutePath());
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param e
+   *          DOCUMENT ME!
+   */
+  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!
+   */
+  public void annotations_actionPerformed(ActionEvent e)
+  {
+    conservation.setEnabled(annotations.isSelected());
+    quality.setEnabled(annotations.isSelected());
+    identity.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()));
+  }
+
+  public void newLink_actionPerformed(ActionEvent e)
+  {
+
+    GSequenceLink link = new GSequenceLink();
+    boolean valid = false;
+    while (!valid)
+    {
+      if (JOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
+              MessageManager.getString("label.new_sequence_url_link"),
+              JOptionPane.OK_CANCEL_OPTION, -1, null) == JOptionPane.OK_OPTION)
+      {
+        if (link.checkValid())
+        {
+          nameLinks.addElement(link.getName());
+          urlLinks.addElement(link.getURL());
+          updateLinkData();
+          valid = true;
+        }
+      }
+      else
+      {
+        break;
+      }
+    }
+  }
+
+  public void editLink_actionPerformed(ActionEvent e)
+  {
+    GSequenceLink link = new GSequenceLink();
+
+    int index = linkNameList.getSelectedIndex();
+    if (index == -1)
+    {
+      JOptionPane.showInternalMessageDialog(Desktop.desktop,
+              MessageManager.getString("label.no_link_selected"),
+              MessageManager.getString("label.no_link_selected"),
+              JOptionPane.WARNING_MESSAGE);
+      return;
+    }
+
+    link.setName(nameLinks.elementAt(index).toString());
+    link.setURL(urlLinks.elementAt(index).toString());
+
+    boolean valid = false;
+    while (!valid)
+    {
+
+      if (JOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
+              MessageManager.getString("label.new_sequence_url_link"),
+              JOptionPane.OK_CANCEL_OPTION, -1, null) == JOptionPane.OK_OPTION)
+      {
+        if (link.checkValid())
+        {
+          nameLinks.setElementAt(link.getName(), index);
+          urlLinks.setElementAt(link.getURL(), index);
+          updateLinkData();
+          valid = true;
+        }
+      }
+
+      else
+      {
+        break;
+      }
+    }
+  }
+
+  public void deleteLink_actionPerformed(ActionEvent e)
+  {
+    int index = linkNameList.getSelectedIndex();
+    if (index == -1)
+    {
+      JOptionPane.showInternalMessageDialog(Desktop.desktop,
+              MessageManager.getString("label.no_link_selected"),
+              MessageManager.getString("label.no_link_selected"),
+              JOptionPane.WARNING_MESSAGE);
+      return;
+    }
+    nameLinks.removeElementAt(index);
+    urlLinks.removeElementAt(index);
+    updateLinkData();
+  }
+
+  void updateLinkData()
+  {
+    linkNameList.setListData(nameLinks);
+    linkURLList.setListData(urlLinks);
+  }
+
+  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)
+   */
+  protected void showunconserved_actionPerformed(ActionEvent e)
+  {
+    // TODO Auto-generated method stub
+    super.showunconserved_actionPerformed(e);
+  }
+
+  public static Collection 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
+  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)
+    {
+      JOptionPane.showInternalMessageDialog(Desktop.desktop, MessageManager
+              .getString("warn.user_defined_width_requirements"),
+              MessageManager.getString("label.invalid_id_column_width"),
+              JOptionPane.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())
+      {
+        JOptionPane.showInternalMessageDialog(Desktop.desktop,
+                MessageManager.getString("label.invalid_chimera_path"),
+                MessageManager.getString("label.invalid_name"),
+                JOptionPane.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 = JOptionPane.showInternalOptionDialog(
+              Desktop.desktop,
+              JvSwingUtils.wrapTooltip(true,
+                      MessageManager.getString("label.chimera_missing")),
+              "", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE,
+              null, options, options[0]);
+      if (showHelp == JOptionPane.NO_OPTION)
+      {
+        try
+        {
+          Help.showHelpWindow(HelpId.StructureViewer);
+        } catch (HelpSetException e)
+        {
+          e.printStackTrace();
+        }
+      }
+    }
+  }
+
+}