fe0aea1029723eae8c8d6d6a9986db09f32225cc
[jalview.git] / src / jalview / gui / Preferences.java
1 /*
2  * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3  * Copyright (C) $$Year-Rel$$ The Jalview Authors
4  * 
5  * This file is part of Jalview.
6  * 
7  * Jalview is free software: you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License 
9  * as published by the Free Software Foundation, either version 3
10  * of the License, or (at your option) any later version.
11  *  
12  * Jalview is distributed in the hope that it will be useful, but 
13  * WITHOUT ANY WARRANTY; without even the implied warranty 
14  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
15  * PURPOSE.  See the GNU General Public License for more details.
16  * 
17  * You should have received a copy of the GNU General Public License
18  * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
19  * The Jalview Authors are detailed in the 'AUTHORS' file.
20  */
21 package jalview.gui;
22
23 import java.awt.BorderLayout;
24 import java.awt.Color;
25 import java.awt.Component;
26 import java.awt.Dimension;
27 import java.awt.Font;
28 import java.awt.event.ActionEvent;
29 import java.awt.event.ActionListener;
30 import java.awt.event.MouseEvent;
31 import java.io.File;
32 import java.util.ArrayList;
33 import java.util.List;
34 import java.util.concurrent.CompletableFuture;
35
36 import javax.help.HelpSetException;
37 import javax.swing.JComboBox;
38 import javax.swing.JFileChooser;
39 import javax.swing.JInternalFrame;
40 import javax.swing.JPanel;
41 import javax.swing.ListSelectionModel;
42 import javax.swing.RowFilter;
43 import javax.swing.RowSorter;
44 import javax.swing.SortOrder;
45 import javax.swing.event.DocumentEvent;
46 import javax.swing.event.DocumentListener;
47 import javax.swing.event.ListSelectionEvent;
48 import javax.swing.event.ListSelectionListener;
49 import javax.swing.table.TableCellRenderer;
50 import javax.swing.table.TableColumn;
51 import javax.swing.table.TableModel;
52 import javax.swing.table.TableRowSorter;
53
54 //import edu.stanford.ejalbert.launching.IBrowserLaunching;
55 import ext.edu.ucsf.rbvi.strucviz2.StructureManager;
56 import jalview.analysis.AnnotationSorter.SequenceAnnotationOrder;
57 import jalview.bin.Cache;
58 import jalview.bin.Console;
59 import jalview.bin.MemorySetting;
60 import jalview.ext.pymol.PymolManager;
61 import jalview.gui.Help.HelpId;
62 import jalview.gui.StructureViewer.ViewerType;
63 import jalview.io.BackupFiles;
64 import jalview.io.BackupFilesPresetEntry;
65 import jalview.io.FileFormatI;
66 import jalview.io.JalviewFileChooser;
67 import jalview.io.JalviewFileView;
68 import jalview.jbgui.GPreferences;
69 import jalview.jbgui.GSequenceLink;
70 import jalview.schemes.ColourSchemeI;
71 import jalview.schemes.ColourSchemes;
72 import jalview.schemes.ResidueColourScheme;
73 import jalview.urls.UrlLinkTableModel;
74 import jalview.urls.api.UrlProviderFactoryI;
75 import jalview.urls.api.UrlProviderI;
76 import jalview.urls.desktop.DesktopUrlProviderFactory;
77 import jalview.util.BrowserLauncher;
78 import jalview.util.MessageManager;
79 import jalview.util.Platform;
80 import jalview.util.UrlConstants;
81 import jalview.ws.sifts.SiftsSettings;
82
83 /**
84  * DOCUMENT ME!
85  * 
86  * @author $author$
87  * @version $Revision$
88  */
89 /*
90  * for merge with Jalview-JS
91  public class Preferences extends GPreferences implements ApplicationSingletonI
92  */
93 public class Preferences extends GPreferences
94 {
95   public static final String ENABLE_SPLIT_FRAME = "ENABLE_SPLIT_FRAME";
96
97   public static final String SCALE_PROTEIN_TO_CDNA = "SCALE_PROTEIN_TO_CDNA";
98
99   public static final String DEFAULT_COLOUR = "DEFAULT_COLOUR";
100
101   public static final String DEFAULT_COLOUR_PROT = "DEFAULT_COLOUR_PROT";
102
103   public static final String DEFAULT_COLOUR_NUC = "DEFAULT_COLOUR_NUC";
104
105   public static final String ADD_TEMPFACT_ANN = "ADD_TEMPFACT_ANN";
106
107   public static final String ADD_SS_ANN = "ADD_SS_ANN";
108
109   public static final String USE_RNAVIEW = "USE_RNAVIEW";
110
111   public static final String STRUCT_FROM_PDB = "STRUCT_FROM_PDB";
112
113   public static final String STRUCTURE_DISPLAY = "STRUCTURE_DISPLAY";
114
115   public static final String CHIMERA_PATH = "CHIMERA_PATH";
116
117   public static final String CHIMERAX_PATH = "CHIMERAX_PATH";
118
119   public static final String PYMOL_PATH = "PYMOL_PATH";
120
121   public static final String SORT_ANNOTATIONS = "SORT_ANNOTATIONS";
122
123   public static final String SHOW_AUTOCALC_ABOVE = "SHOW_AUTOCALC_ABOVE";
124
125   public static final String SHOW_OCCUPANCY = "SHOW_OCCUPANCY";
126
127   public static final String SHOW_OV_HIDDEN_AT_START = "SHOW_OV_HIDDEN_AT_START";
128
129   public static final String USE_LEGACY_GAP = "USE_LEGACY_GAP";
130
131   public static final String GAP_COLOUR = "GAP_COLOUR";
132
133   public static final String HIDDEN_COLOUR = "HIDDEN_COLOUR";
134
135   private static final int MIN_FONT_SIZE = 1;
136
137   private static final int MAX_FONT_SIZE = 30;
138
139   private String previousProxyType;
140
141   private static Preferences INSTANCE = null; // add "final"
142
143   /**
144    * Holds name and link separated with | character. Sequence ID must be
145    * $SEQUENCE_ID$ or $SEQUENCE_ID=/.possible | chars ./=$
146    */
147   public static UrlProviderI sequenceUrlLinks;
148
149   public static UrlLinkTableModel dataModel;
150
151   /**
152    * Holds name and link separated with | character. Sequence IDS and Sequences
153    * must be $SEQUENCEIDS$ or $SEQUENCEIDS=/.possible | chars ./=$ and
154    * $SEQUENCES$ or $SEQUENCES=/.possible | chars ./=$ and separation character
155    * for first and second token specified after a pipe character at end |,|.
156    * (TODO: proper escape for using | to separate ids or sequences
157    */
158
159   public static List<String> groupURLLinks;
160   static
161   {
162     // get links selected to be in the menu (SEQUENCE_LINKS)
163     // and links entered by the user but not selected (STORED_LINKS)
164     String inMenuString = Cache.getDefault("SEQUENCE_LINKS", "");
165     String notInMenuString = Cache.getDefault("STORED_LINKS", "");
166     String defaultUrl = Cache.getDefault("DEFAULT_URL",
167             UrlConstants.DEFAULT_LABEL);
168
169     // if both links lists are empty, add the DEFAULT_URL link
170     // otherwise we assume the default link is in one of the lists
171     if (inMenuString.isEmpty() && notInMenuString.isEmpty())
172     {
173       inMenuString = UrlConstants.DEFAULT_STRING;
174     }
175     UrlProviderFactoryI factory = new DesktopUrlProviderFactory(defaultUrl,
176             inMenuString, notInMenuString);
177     sequenceUrlLinks = factory.createUrlProvider();
178     dataModel = new UrlLinkTableModel(sequenceUrlLinks);
179
180     /**
181      * TODO: reformulate groupURL encoding so two or more can be stored in the
182      * .properties file as '|' separated strings
183      */
184
185     groupURLLinks = new ArrayList<>();
186   }
187
188   JInternalFrame frame;
189
190   private WsPreferences wsPrefs;
191
192   private OptionsParam promptEachTimeOpt = new OptionsParam(
193           MessageManager.getString("label.prompt_each_time"),
194           "Prompt each time");
195
196   private OptionsParam lineArtOpt = new OptionsParam(
197           MessageManager.getString("label.lineart"), "Lineart");
198
199   private OptionsParam textOpt = new OptionsParam(
200           MessageManager.getString("action.text"), "Text");
201
202   // get singleton Preferences instance
203   public static Preferences getInstance()
204   {
205     if (INSTANCE == null || INSTANCE.frame == null
206             || INSTANCE.frame.isClosed())
207     {
208       INSTANCE = new Preferences();
209     }
210     return INSTANCE;
211
212     /*
213      * Replace code with the following for Jalvew-JS
214     Preferences INSTANCE = ApplicationSingletonProvider.getInstance(Preferences.class);
215     if (INSTANCE == null || INSTANCE.frame == null
216             || INSTANCE.frame.isClosed())
217     {
218       ApplicationSingletonProvider.remove(Preferences.class);
219       INSTANCE = ApplicationSingletonProvider.getInstance(Preferences.class);
220     }
221     return INSTANCE;
222     */
223   }
224
225   public static void openPreferences()
226   {
227     openPreferences(null, null);
228   }
229
230   public static void openPreferences(TabRef selectTab, String message)
231   {
232     Preferences p = getInstance();
233     if (selectTab != null)
234       p.selectTab(selectTab, message);
235     p.frame.show();
236     p.frame.moveToFront();
237     p.frame.grabFocus();
238   }
239
240   public void selectTab(TabRef selectTab, String message)
241   {
242     this.selectTab(selectTab);
243     if (message != null)
244       this.setMessage(message);
245     this.frame.show();
246   }
247
248   /**
249    * Creates a new Preferences object.
250    */
251   private Preferences()
252   {
253     super();
254     frame = new JInternalFrame();
255     frame.setContentPane(this);
256     if (!Platform.isJS())
257     /**
258      * Java only
259      * 
260      * @j2sIgnore
261      */
262     {
263       wsPrefs = new WsPreferences();
264       wsTab.add(wsPrefs, BorderLayout.CENTER);
265     }
266     int width = 500, height = 450;
267     if (Platform.isAMacAndNotJS())
268     {
269       width = 570;
270       height = 480;
271     }
272
273     Desktop.addInternalFrame(frame,
274             MessageManager.getString("label.preferences"), width, height);
275     frame.setMinimumSize(new Dimension(width, height));
276
277     /*
278      * Set Visual tab defaults
279      */
280     seqLimit.setSelected(Cache.getDefault("SHOW_JVSUFFIX", true));
281     rightAlign.setSelected(Cache.getDefault("RIGHT_ALIGN_IDS", false));
282     fullScreen.setSelected(Cache.getDefault("SHOW_FULLSCREEN", false));
283     annotations.setSelected(Cache.getDefault("SHOW_ANNOTATIONS", true));
284
285     conservation.setSelected(Cache.getDefault("SHOW_CONSERVATION", true));
286     quality.setSelected(Cache.getDefault("SHOW_QUALITY", true));
287     identity.setSelected(Cache.getDefault("SHOW_IDENTITY", true));
288     openoverv.setSelected(Cache.getDefault("SHOW_OVERVIEW", false));
289     showUnconserved
290             .setSelected(Cache.getDefault("SHOW_UNCONSERVED", false));
291     showOccupancy.setSelected(Cache.getDefault(SHOW_OCCUPANCY, false));
292     showGroupConsensus
293             .setSelected(Cache.getDefault("SHOW_GROUP_CONSENSUS", false));
294     showGroupConservation.setSelected(
295             Cache.getDefault("SHOW_GROUP_CONSERVATION", false));
296     showConsensHistogram.setSelected(
297             Cache.getDefault("SHOW_CONSENSUS_HISTOGRAM", true));
298     showConsensLogo
299             .setSelected(Cache.getDefault("SHOW_CONSENSUS_LOGO", false));
300     showNpTooltip
301             .setSelected(Cache.getDefault("SHOW_NPFEATS_TOOLTIP", true));
302     showDbRefTooltip
303             .setSelected(Cache.getDefault("SHOW_DBREFS_TOOLTIP", true));
304
305     String[] fonts = java.awt.GraphicsEnvironment
306             .getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
307     for (int i = 0; i < fonts.length; i++)
308     {
309       fontNameCB.addItem(fonts[i]);
310     }
311
312     for (int i = MIN_FONT_SIZE; i <= MAX_FONT_SIZE; i++)
313     {
314       fontSizeCB.addItem(i + "");
315     }
316
317     fontStyleCB.addItem("plain");
318     fontStyleCB.addItem("bold");
319     fontStyleCB.addItem("italic");
320
321     fontNameCB.setSelectedItem(Cache.getDefault("FONT_NAME", "SansSerif"));
322     fontSizeCB.setSelectedItem(Cache.getDefault("FONT_SIZE", "10"));
323     fontStyleCB.setSelectedItem(
324             Cache.getDefault("FONT_STYLE", Font.PLAIN + ""));
325
326     smoothFont.setSelected(Cache.getDefault("ANTI_ALIAS", true));
327     scaleProteinToCdna
328             .setSelected(Cache.getDefault(SCALE_PROTEIN_TO_CDNA, false));
329
330     idItalics.setSelected(Cache.getDefault("ID_ITALICS", true));
331
332     wrap.setSelected(Cache.getDefault("WRAP_ALIGNMENT", false));
333
334     gapSymbolCB.addItem("-");
335     gapSymbolCB.addItem(".");
336
337     gapSymbolCB.setSelectedItem(Cache.getDefault("GAP_SYMBOL", "-"));
338
339     sortby.addItem("No sort");
340     sortby.addItem("Id");
341     sortby.addItem("Pairwise Identity");
342     sortby.setSelectedItem(Cache.getDefault("SORT_ALIGNMENT", "No sort"));
343
344     sortAnnBy.addItem(SequenceAnnotationOrder.NONE.toString());
345     sortAnnBy
346             .addItem(SequenceAnnotationOrder.SEQUENCE_AND_LABEL.toString());
347     sortAnnBy
348             .addItem(SequenceAnnotationOrder.LABEL_AND_SEQUENCE.toString());
349     SequenceAnnotationOrder savedSort = SequenceAnnotationOrder
350             .valueOf(Cache.getDefault(SORT_ANNOTATIONS,
351                     SequenceAnnotationOrder.NONE.name()));
352     sortAnnBy.setSelectedItem(savedSort.toString());
353
354     sortAutocalc.addItem("Autocalculated first");
355     sortAutocalc.addItem("Autocalculated last");
356     final boolean showAbove = Cache.getDefault(SHOW_AUTOCALC_ABOVE, true);
357     sortAutocalc.setSelectedItem(showAbove ? sortAutocalc.getItemAt(0)
358             : sortAutocalc.getItemAt(1));
359     startupCheckbox
360             .setSelected(Cache.getDefault("SHOW_STARTUP_FILE", true));
361     startupFileTextfield.setText(Cache.getDefault("STARTUP_FILE",
362             Cache.getDefault("www.jalview.org", "https://www.jalview.org")
363                     + "/examples/exampleFile_2_7.jvp"));
364
365     /*
366      * Set Colours tab defaults
367      */
368     protColour.addItem(ResidueColourScheme.NONE);
369     nucColour.addItem(ResidueColourScheme.NONE);
370     for (ColourSchemeI cs : ColourSchemes.getInstance().getColourSchemes())
371     {
372       String name = cs.getSchemeName();
373       protColour.addItem(name);
374       nucColour.addItem(name);
375     }
376     String oldProp = Cache.getDefault(DEFAULT_COLOUR,
377             ResidueColourScheme.NONE);
378     String newProp = Cache.getDefault(DEFAULT_COLOUR_PROT, null);
379     protColour.setSelectedItem(newProp != null ? newProp : oldProp);
380     newProp = Cache.getDefault(DEFAULT_COLOUR_NUC, null);
381     nucColour.setSelectedItem(newProp != null ? newProp : oldProp);
382     minColour.setBackground(
383             Cache.getDefaultColour("ANNOTATIONCOLOUR_MIN", Color.orange));
384     maxColour.setBackground(
385             Cache.getDefaultColour("ANNOTATIONCOLOUR_MAX", Color.red));
386
387     /*
388      * Set overview panel defaults
389      */
390     gapColour.setBackground(Cache.getDefaultColour(GAP_COLOUR,
391             jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_GAP));
392     hiddenColour.setBackground(Cache.getDefaultColour(HIDDEN_COLOUR,
393             jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_HIDDEN));
394     useLegacyGap.setSelected(Cache.getDefault(USE_LEGACY_GAP, false));
395     gapLabel.setEnabled(!useLegacyGap.isSelected());
396     gapColour.setEnabled(!useLegacyGap.isSelected());
397     showHiddenAtStart
398             .setSelected(Cache.getDefault(SHOW_OV_HIDDEN_AT_START, false));
399
400     /*
401      * Set Structure tab defaults
402      */
403     final boolean structSelected = Cache.getDefault(STRUCT_FROM_PDB, true);
404     structFromPdb.setSelected(structSelected);
405     addSecondaryStructure.setSelected(Cache.getDefault(ADD_SS_ANN, true));
406     addSecondaryStructure.setEnabled(structSelected);
407     addTempFactor.setSelected(Cache.getDefault(ADD_TEMPFACT_ANN, true));
408     addTempFactor.setEnabled(structSelected);
409
410     /*
411      * set choice of structure viewer, and path if saved as a preference;
412      * default to Jmol (first choice) if an unexpected value is found
413      */
414     String viewerType = Cache.getDefault(STRUCTURE_DISPLAY,
415             ViewerType.JMOL.name());
416     structViewer.setSelectedItem(viewerType);
417     String viewerPath = "";
418     ViewerType type = null;
419     try
420     {
421       type = ViewerType.valueOf(viewerType);
422       switch (type)
423       {
424       case JMOL:
425         break;
426       case CHIMERA:
427         viewerPath = Cache.getDefault(CHIMERA_PATH, "");
428         break;
429       case CHIMERAX:
430         viewerPath = Cache.getDefault(CHIMERAX_PATH, "");
431         break;
432       case PYMOL:
433         viewerPath = Cache.getDefault(PYMOL_PATH, "");
434         break;
435       }
436     } catch (IllegalArgumentException e)
437     {
438       Console.error("Unknown structure viewer type: " + viewerType
439               + ", defaulting to Jmol");
440       type = ViewerType.JMOL;
441     }
442     structureViewerPath.setText(viewerPath);
443
444     structureViewerPath.addActionListener(new ActionListener()
445     {
446       @Override
447       public void actionPerformed(ActionEvent e)
448       {
449         if (validateViewerPath())
450         {
451           String path = structureViewerPath.getText();
452           try
453           {
454             ViewerType type = ViewerType.valueOf(viewerType);
455             switch (type)
456             {
457             case JMOL:
458               break;
459             case CHIMERA:
460               Cache.setProperty(CHIMERA_PATH, path);
461               break;
462             case CHIMERAX:
463               Cache.setProperty(CHIMERAX_PATH, path);
464               break;
465             case PYMOL:
466               Cache.setProperty(PYMOL_PATH, path);
467               break;
468             }
469           } catch (IllegalArgumentException x)
470           {
471             Console.error("Failed to set path - unknown viewer type", x);
472           }
473         }
474       }
475     });
476
477     if (Cache.getDefault("MAP_WITH_SIFTS", false))
478     {
479       siftsMapping.setSelected(true);
480     }
481     else
482     {
483       nwMapping.setSelected(true);
484     }
485
486     SiftsSettings
487             .setMapWithSifts(Cache.getDefault("MAP_WITH_SIFTS", false));
488
489     /*
490      * Set Connections tab defaults
491      */
492
493     // set up sorting
494     linkUrlTable.setModel(dataModel);
495     final TableRowSorter<TableModel> sorter = new TableRowSorter<>(
496             linkUrlTable.getModel());
497     linkUrlTable.setRowSorter(sorter);
498     List<RowSorter.SortKey> sortKeys = new ArrayList<>();
499
500     UrlLinkTableModel m = (UrlLinkTableModel) linkUrlTable.getModel();
501     sortKeys.add(new RowSorter.SortKey(m.getPrimaryColumn(),
502             SortOrder.DESCENDING));
503     sortKeys.add(new RowSorter.SortKey(m.getSelectedColumn(),
504             SortOrder.DESCENDING));
505     sortKeys.add(
506             new RowSorter.SortKey(m.getNameColumn(), SortOrder.ASCENDING));
507
508     sorter.setSortKeys(sortKeys);
509     // BH 2018 setSortKeys will do the sort
510     // sorter.sort();
511
512     // set up filtering
513     ActionListener onReset;
514     onReset = new ActionListener()
515     {
516       @Override
517       public void actionPerformed(ActionEvent e)
518       {
519         filterTB.setText("");
520         sorter.setRowFilter(RowFilter.regexFilter(""));
521       }
522
523     };
524     doReset.addActionListener(onReset);
525
526     // filter to display only custom urls
527     final RowFilter<TableModel, Object> customUrlFilter = new RowFilter<TableModel, Object>()
528     {
529       @Override
530       public boolean include(
531               Entry<? extends TableModel, ? extends Object> entry)
532       {
533         return ((UrlLinkTableModel) entry.getModel()).isUserEntry(entry);
534       }
535     };
536
537     final TableRowSorter<TableModel> customSorter = new TableRowSorter<>(
538             linkUrlTable.getModel());
539     customSorter.setRowFilter(customUrlFilter);
540
541     ActionListener onCustomOnly;
542     onCustomOnly = new ActionListener()
543     {
544       @Override
545       public void actionPerformed(ActionEvent e)
546       {
547         filterTB.setText("");
548         sorter.setRowFilter(customUrlFilter);
549       }
550     };
551     userOnly.addActionListener(onCustomOnly);
552
553     filterTB.getDocument().addDocumentListener(new DocumentListener()
554     {
555       String caseInsensitiveFlag = "(?i)";
556
557       @Override
558       public void changedUpdate(DocumentEvent e)
559       {
560         sorter.setRowFilter(RowFilter
561                 .regexFilter(caseInsensitiveFlag + filterTB.getText()));
562       }
563
564       @Override
565       public void removeUpdate(DocumentEvent e)
566       {
567         sorter.setRowFilter(RowFilter
568                 .regexFilter(caseInsensitiveFlag + filterTB.getText()));
569       }
570
571       @Override
572       public void insertUpdate(DocumentEvent e)
573       {
574         sorter.setRowFilter(RowFilter
575                 .regexFilter(caseInsensitiveFlag + filterTB.getText()));
576       }
577     });
578
579     // set up list selection functionality
580     linkUrlTable.getSelectionModel()
581             .addListSelectionListener(new UrlListSelectionHandler());
582
583     // set up radio buttons
584     int onClickCol = ((UrlLinkTableModel) linkUrlTable.getModel())
585             .getPrimaryColumn();
586     String onClickName = linkUrlTable.getColumnName(onClickCol);
587     linkUrlTable.getColumn(onClickName)
588             .setCellRenderer(new RadioButtonRenderer());
589     linkUrlTable.getColumn(onClickName)
590             .setCellEditor(new RadioButtonEditor());
591
592     // get boolean columns and resize those to min possible
593     for (int column = 0; column < linkUrlTable.getColumnCount(); column++)
594     {
595       if (linkUrlTable.getModel().getColumnClass(column)
596               .equals(Boolean.class))
597       {
598         TableColumn tableColumn = linkUrlTable.getColumnModel()
599                 .getColumn(column);
600         int preferredWidth = tableColumn.getMinWidth();
601
602         TableCellRenderer cellRenderer = linkUrlTable.getCellRenderer(0,
603                 column);
604         Component c = linkUrlTable.prepareRenderer(cellRenderer, 0, column);
605         int cwidth = c.getPreferredSize().width
606                 + linkUrlTable.getIntercellSpacing().width;
607         preferredWidth = Math.max(preferredWidth, cwidth);
608
609         tableColumn.setPreferredWidth(preferredWidth);
610       }
611     }
612
613     String proxyTypeString = Cache.getDefault("USE_PROXY", "false");
614     previousProxyType = proxyTypeString;
615     switch (proxyTypeString)
616     {
617     case Cache.PROXYTYPE_NONE:
618       proxyType.setSelected(noProxy.getModel(), true);
619       break;
620     case Cache.PROXYTYPE_SYSTEM:
621       proxyType.setSelected(systemProxy.getModel(), true);
622       break;
623     case Cache.PROXYTYPE_CUSTOM:
624       proxyType.setSelected(customProxy.getModel(), true);
625       break;
626     default:
627       Console.warn(
628               "Incorrect PROXY_TYPE - should be 'none' (clear proxy properties), 'false' (system settings), 'true' (custom settings): "
629                       + proxyTypeString);
630     }
631     proxyServerHttpTB.setText(Cache.getDefault("PROXY_SERVER", ""));
632     proxyPortHttpTB.setText(Cache.getDefault("PROXY_PORT", ""));
633     proxyServerHttpsTB.setText(Cache.getDefault("PROXY_SERVER_HTTPS", ""));
634     proxyPortHttpsTB.setText(Cache.getDefault("PROXY_PORT_HTTPS", ""));
635     proxyAuth.setSelected(Cache.getDefault("PROXY_AUTH", false));
636     proxyAuthUsernameTB
637             .setText(Cache.getDefault("PROXY_AUTH_USERNAME", ""));
638     // we are not storing or retrieving proxy password from .jalview_properties
639     proxyAuthPasswordPB.setText(Cache.proxyAuthPassword == null ? ""
640             : new String(Cache.proxyAuthPassword));
641     setCustomProxyEnabled();
642     applyProxyButtonEnabled(false);
643
644     String browserPref = Cache.getDefault("DEFAULT_BROWSER", "");
645     if (browserPref != null)
646     {
647       defaultBrowser.getModel().setSelectedItem(browserPref);
648     }
649
650     usagestats.setSelected(Cache.getDefault("USAGESTATS", false));
651     // note antisense here: default is true
652     questionnaire
653             .setSelected(Cache.getProperty("NOQUESTIONNAIRES") == null);
654     versioncheck.setSelected(Cache.getDefault("VERSION_CHECK", true));
655
656     /*
657      * Set Output tab defaults
658      */
659     setupOutputCombo(epsRendering, "EPS_RENDERING");
660     setupOutputCombo(htmlRendering, "HTML_RENDERING");
661     setupOutputCombo(svgRendering, "SVG_RENDERING");
662     autoIdWidth.setSelected(Cache.getDefault("FIGURE_AUTOIDWIDTH", false));
663     userIdWidth.setEnabled(!autoIdWidth.isSelected());
664     userIdWidthlabel.setEnabled(!autoIdWidth.isSelected());
665     Integer wi = Cache.getIntegerProperty("FIGURE_FIXEDIDWIDTH");
666     userIdWidth.setText(wi == null ? "" : wi.toString());
667     // TODO: refactor to use common enum via FormatAdapter and allow extension
668     // for new flat file formats
669     blcjv.setSelected(Cache.getDefault("BLC_JVSUFFIX", true));
670     clustaljv.setSelected(Cache.getDefault("CLUSTAL_JVSUFFIX", true));
671     fastajv.setSelected(Cache.getDefault("FASTA_JVSUFFIX", true));
672     msfjv.setSelected(Cache.getDefault("MSF_JVSUFFIX", true));
673     pfamjv.setSelected(Cache.getDefault("PFAM_JVSUFFIX", true));
674     pileupjv.setSelected(Cache.getDefault("PILEUP_JVSUFFIX", true));
675     pirjv.setSelected(Cache.getDefault("PIR_JVSUFFIX", true));
676     modellerOutput.setSelected(Cache.getDefault("PIR_MODELLER", false));
677     embbedBioJSON
678             .setSelected(Cache.getDefault("EXPORT_EMBBED_BIOJSON", true));
679
680     /*
681      * Set Editing tab defaults
682      */
683     autoCalculateConsCheck
684             .setSelected(Cache.getDefault("AUTO_CALC_CONSENSUS", true));
685     padGaps.setSelected(Cache.getDefault("PAD_GAPS", false));
686     sortByTree.setSelected(Cache.getDefault("SORT_BY_TREE", false));
687
688     annotations_actionPerformed(null); // update the display of the annotation
689                                        // settings
690
691     /*
692      * Set Backups tab defaults
693      */
694     loadLastSavedBackupsOptions();
695
696     /*
697      * Set Startup tab defaults
698      */
699
700   }
701
702   /**
703    * A helper method that sets the items and initial selection in a character
704    * rendering option list (Prompt each time/Lineart/Text)
705    * 
706    * @param comboBox
707    * @param propertyKey
708    */
709   protected void setupOutputCombo(JComboBox<Object> comboBox,
710           String propertyKey)
711   {
712     comboBox.addItem(promptEachTimeOpt);
713     comboBox.addItem(lineArtOpt);
714     comboBox.addItem(textOpt);
715
716     /*
717      * JalviewJS doesn't support Lineart so force it to Text
718      */
719     String defaultOption = Platform.isJS() ? "Text"
720             : Cache.getDefault(propertyKey, "Prompt each time");
721     if (defaultOption.equalsIgnoreCase("Text"))
722     {
723       comboBox.setSelectedItem(textOpt);
724     }
725     else if (defaultOption.equalsIgnoreCase("Lineart"))
726     {
727       comboBox.setSelectedItem(lineArtOpt);
728     }
729     else
730     {
731       comboBox.setSelectedItem(promptEachTimeOpt);
732     }
733   }
734
735   /**
736    * Save user selections on the Preferences tabs to the Cache and write out to
737    * file.
738    * 
739    * @param e
740    */
741   @Override
742   public void ok_actionPerformed(ActionEvent e)
743   {
744     if (!validateSettings())
745     {
746       return;
747     }
748
749     /* 
750      * Set proxy settings first (to be before web services refresh)
751      */
752     saveProxySettings();
753
754     /*
755      * Save Visual settings
756      */
757     Cache.applicationProperties.setProperty("SHOW_JVSUFFIX",
758             Boolean.toString(seqLimit.isSelected()));
759     Cache.applicationProperties.setProperty("RIGHT_ALIGN_IDS",
760             Boolean.toString(rightAlign.isSelected()));
761     Cache.applicationProperties.setProperty("SHOW_FULLSCREEN",
762             Boolean.toString(fullScreen.isSelected()));
763     Cache.applicationProperties.setProperty("SHOW_OVERVIEW",
764             Boolean.toString(openoverv.isSelected()));
765     Cache.applicationProperties.setProperty("SHOW_ANNOTATIONS",
766             Boolean.toString(annotations.isSelected()));
767     Cache.applicationProperties.setProperty("SHOW_CONSERVATION",
768             Boolean.toString(conservation.isSelected()));
769     Cache.applicationProperties.setProperty("SHOW_QUALITY",
770             Boolean.toString(quality.isSelected()));
771     Cache.applicationProperties.setProperty("SHOW_IDENTITY",
772             Boolean.toString(identity.isSelected()));
773
774     Cache.applicationProperties.setProperty("GAP_SYMBOL",
775             gapSymbolCB.getSelectedItem().toString());
776
777     Cache.applicationProperties.setProperty("FONT_NAME",
778             fontNameCB.getSelectedItem().toString());
779     Cache.applicationProperties.setProperty("FONT_STYLE",
780             fontStyleCB.getSelectedItem().toString());
781     Cache.applicationProperties.setProperty("FONT_SIZE",
782             fontSizeCB.getSelectedItem().toString());
783
784     Cache.applicationProperties.setProperty("ID_ITALICS",
785             Boolean.toString(idItalics.isSelected()));
786     Cache.applicationProperties.setProperty("SHOW_UNCONSERVED",
787             Boolean.toString(showUnconserved.isSelected()));
788     Cache.applicationProperties.setProperty(SHOW_OCCUPANCY,
789             Boolean.toString(showOccupancy.isSelected()));
790     Cache.applicationProperties.setProperty("SHOW_GROUP_CONSENSUS",
791             Boolean.toString(showGroupConsensus.isSelected()));
792     Cache.applicationProperties.setProperty("SHOW_GROUP_CONSERVATION",
793             Boolean.toString(showGroupConservation.isSelected()));
794     Cache.applicationProperties.setProperty("SHOW_CONSENSUS_HISTOGRAM",
795             Boolean.toString(showConsensHistogram.isSelected()));
796     Cache.applicationProperties.setProperty("SHOW_CONSENSUS_LOGO",
797             Boolean.toString(showConsensLogo.isSelected()));
798     Cache.applicationProperties.setProperty("ANTI_ALIAS",
799             Boolean.toString(smoothFont.isSelected()));
800     Cache.applicationProperties.setProperty(SCALE_PROTEIN_TO_CDNA,
801             Boolean.toString(scaleProteinToCdna.isSelected()));
802     Cache.applicationProperties.setProperty("SHOW_NPFEATS_TOOLTIP",
803             Boolean.toString(showNpTooltip.isSelected()));
804     Cache.applicationProperties.setProperty("SHOW_DBREFS_TOOLTIP",
805             Boolean.toString(showDbRefTooltip.isSelected()));
806
807     Cache.applicationProperties.setProperty("WRAP_ALIGNMENT",
808             Boolean.toString(wrap.isSelected()));
809
810     Cache.applicationProperties.setProperty("STARTUP_FILE",
811             startupFileTextfield.getText());
812     Cache.applicationProperties.setProperty("SHOW_STARTUP_FILE",
813             Boolean.toString(startupCheckbox.isSelected()));
814
815     Cache.applicationProperties.setProperty("SORT_ALIGNMENT",
816             sortby.getSelectedItem().toString());
817
818     // convert description of sort order to enum name for save
819     SequenceAnnotationOrder annSortOrder = SequenceAnnotationOrder
820             .forDescription(sortAnnBy.getSelectedItem().toString());
821     if (annSortOrder != null)
822     {
823       Cache.applicationProperties.setProperty(SORT_ANNOTATIONS,
824               annSortOrder.name());
825     }
826
827     final boolean showAutocalcFirst = sortAutocalc.getSelectedIndex() == 0;
828     Cache.applicationProperties.setProperty(SHOW_AUTOCALC_ABOVE,
829             Boolean.valueOf(showAutocalcFirst).toString());
830
831     /*
832      * Save Colours settings
833      */
834     Cache.applicationProperties.setProperty(DEFAULT_COLOUR_PROT,
835             protColour.getSelectedItem().toString());
836     Cache.applicationProperties.setProperty(DEFAULT_COLOUR_NUC,
837             nucColour.getSelectedItem().toString());
838     Cache.setColourProperty("ANNOTATIONCOLOUR_MIN",
839             minColour.getBackground());
840     Cache.setColourProperty("ANNOTATIONCOLOUR_MAX",
841             maxColour.getBackground());
842
843     /*
844      * Save Overview settings
845      */
846     Cache.setColourProperty(GAP_COLOUR, gapColour.getBackground());
847     Cache.setColourProperty(HIDDEN_COLOUR, hiddenColour.getBackground());
848     Cache.applicationProperties.setProperty(USE_LEGACY_GAP,
849             Boolean.toString(useLegacyGap.isSelected()));
850     Cache.applicationProperties.setProperty(SHOW_OV_HIDDEN_AT_START,
851             Boolean.toString(showHiddenAtStart.isSelected()));
852
853     /*
854      * Save Structure settings
855      */
856     Cache.applicationProperties.setProperty(ADD_TEMPFACT_ANN,
857             Boolean.toString(addTempFactor.isSelected()));
858     Cache.applicationProperties.setProperty(ADD_SS_ANN,
859             Boolean.toString(addSecondaryStructure.isSelected()));
860     Cache.applicationProperties.setProperty(STRUCT_FROM_PDB,
861             Boolean.toString(structFromPdb.isSelected()));
862     String viewer = structViewer.getSelectedItem().toString();
863     String viewerPath = structureViewerPath.getText();
864     Cache.applicationProperties.setProperty(STRUCTURE_DISPLAY, viewer);
865     if (viewer.equals(ViewerType.CHIMERA.name()))
866     {
867       Cache.setOrRemove(CHIMERA_PATH, viewerPath);
868     }
869     else if (viewer.equals(ViewerType.CHIMERAX.name()))
870     {
871       Cache.setOrRemove(CHIMERAX_PATH, viewerPath);
872     }
873     else if (viewer.equals(ViewerType.PYMOL.name()))
874     {
875       Cache.setOrRemove(PYMOL_PATH, viewerPath);
876     }
877     Cache.applicationProperties.setProperty("MAP_WITH_SIFTS",
878             Boolean.toString(siftsMapping.isSelected()));
879     SiftsSettings.setMapWithSifts(siftsMapping.isSelected());
880
881     /*
882      * Save Output settings
883      */
884     Cache.applicationProperties.setProperty("EPS_RENDERING",
885             ((OptionsParam) epsRendering.getSelectedItem()).getCode());
886     Cache.applicationProperties.setProperty("HTML_RENDERING",
887             ((OptionsParam) htmlRendering.getSelectedItem()).getCode());
888     Cache.applicationProperties.setProperty("SVG_RENDERING",
889             ((OptionsParam) svgRendering.getSelectedItem()).getCode());
890
891     /*
892      * Save Connections settings
893      */
894     // Proxy settings set first (to catch web services)
895
896     Cache.setOrRemove("DEFAULT_BROWSER",
897             (String) defaultBrowser.getSelectedItem());
898     BrowserLauncher.resetBrowser(true);
899
900     // save user-defined and selected links
901     String menuLinks = sequenceUrlLinks.writeUrlsAsString(true);
902     if (menuLinks.isEmpty())
903     {
904       Cache.applicationProperties.remove("SEQUENCE_LINKS");
905     }
906     else
907     {
908       Cache.applicationProperties.setProperty("SEQUENCE_LINKS",
909               menuLinks.toString());
910     }
911
912     String nonMenuLinks = sequenceUrlLinks.writeUrlsAsString(false);
913     if (nonMenuLinks.isEmpty())
914     {
915       Cache.applicationProperties.remove("STORED_LINKS");
916     }
917     else
918     {
919       Cache.applicationProperties.setProperty("STORED_LINKS",
920               nonMenuLinks.toString());
921     }
922
923     Cache.applicationProperties.setProperty("DEFAULT_URL",
924             sequenceUrlLinks.getPrimaryUrlId());
925
926     Cache.setProperty("VERSION_CHECK",
927             Boolean.toString(versioncheck.isSelected()));
928     if (Cache.getProperty("USAGESTATS") != null || usagestats.isSelected())
929     {
930       // default is false - we only set this if the user has actively agreed
931       Cache.setProperty("USAGESTATS",
932               Boolean.toString(usagestats.isSelected()));
933     }
934     if (!questionnaire.isSelected())
935     {
936       Cache.setProperty("NOQUESTIONNAIRES", "true");
937     }
938     else
939     {
940       // special - made easy to edit a property file to disable questionnaires
941       // by just adding the given line
942       Cache.removeProperty("NOQUESTIONNAIRES");
943     }
944
945     /*
946      * Save Output settings
947      */
948     Cache.applicationProperties.setProperty("BLC_JVSUFFIX",
949             Boolean.toString(blcjv.isSelected()));
950     Cache.applicationProperties.setProperty("CLUSTAL_JVSUFFIX",
951             Boolean.toString(clustaljv.isSelected()));
952     Cache.applicationProperties.setProperty("FASTA_JVSUFFIX",
953             Boolean.toString(fastajv.isSelected()));
954     Cache.applicationProperties.setProperty("MSF_JVSUFFIX",
955             Boolean.toString(msfjv.isSelected()));
956     Cache.applicationProperties.setProperty("PFAM_JVSUFFIX",
957             Boolean.toString(pfamjv.isSelected()));
958     Cache.applicationProperties.setProperty("PILEUP_JVSUFFIX",
959             Boolean.toString(pileupjv.isSelected()));
960     Cache.applicationProperties.setProperty("PIR_JVSUFFIX",
961             Boolean.toString(pirjv.isSelected()));
962     Cache.applicationProperties.setProperty("PIR_MODELLER",
963             Boolean.toString(modellerOutput.isSelected()));
964     Cache.applicationProperties.setProperty("EXPORT_EMBBED_BIOJSON",
965             Boolean.toString(embbedBioJSON.isSelected()));
966     jalview.io.PIRFile.useModellerOutput = modellerOutput.isSelected();
967
968     Cache.applicationProperties.setProperty("FIGURE_AUTOIDWIDTH",
969             Boolean.toString(autoIdWidth.isSelected()));
970     userIdWidth_actionPerformed();
971     Cache.applicationProperties.setProperty("FIGURE_FIXEDIDWIDTH",
972             userIdWidth.getText());
973
974     /*
975      * Save Editing settings
976      */
977     Cache.applicationProperties.setProperty("AUTO_CALC_CONSENSUS",
978             Boolean.toString(autoCalculateConsCheck.isSelected()));
979     Cache.applicationProperties.setProperty("SORT_BY_TREE",
980             Boolean.toString(sortByTree.isSelected()));
981     Cache.applicationProperties.setProperty("PAD_GAPS",
982             Boolean.toString(padGaps.isSelected()));
983
984     if (!Platform.isJS())
985     {
986       wsPrefs.updateAndRefreshWsMenuConfig(false);
987     }
988
989     /*
990      * Save Backups settings
991      */
992     Cache.applicationProperties.setProperty(BackupFiles.ENABLED,
993             Boolean.toString(enableBackupFiles.isSelected()));
994     int preset = getComboIntStringKey(backupfilesPresetsCombo);
995     Cache.applicationProperties.setProperty(BackupFiles.NS + "_PRESET",
996             Integer.toString(preset));
997
998     if (preset == BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM)
999     {
1000       BackupFilesPresetEntry customBFPE = getBackupfilesCurrentEntry();
1001       BackupFilesPresetEntry.backupfilesPresetEntriesValues.put(
1002               BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM, customBFPE);
1003       Cache.applicationProperties.setProperty(
1004               BackupFilesPresetEntry.CUSTOMCONFIG, customBFPE.toString());
1005     }
1006
1007     BackupFilesPresetEntry savedBFPE = BackupFilesPresetEntry.backupfilesPresetEntriesValues
1008             .get(preset);
1009     Cache.applicationProperties.setProperty(
1010             BackupFilesPresetEntry.SAVEDCONFIG, savedBFPE.toString());
1011
1012     /*
1013      * Save Memory Settings
1014      */
1015     Cache.applicationProperties.setProperty(
1016             MemorySetting.CUSTOMISED_SETTINGS,
1017             Boolean.toString(customiseMemorySetting.isSelected()));
1018     Cache.applicationProperties.setProperty(MemorySetting.MEMORY_JVMMEMPC,
1019             Integer.toString(jvmMemoryPercentSlider.getValue()));
1020     Cache.applicationProperties.setProperty(MemorySetting.MEMORY_JVMMEMMAX,
1021             jvmMemoryMaxTextField.getText());
1022
1023     /*
1024      * save and close Preferences
1025      */
1026
1027     Cache.saveProperties();
1028     Desktop.instance.doConfigureStructurePrefs();
1029     try
1030     {
1031       frame.setClosed(true);
1032     } catch (Exception ex)
1033     {
1034     }
1035   }
1036
1037   public void saveProxySettings()
1038   {
1039     String newProxyType = customProxy.isSelected() ? Cache.PROXYTYPE_CUSTOM
1040             : noProxy.isSelected() ? Cache.PROXYTYPE_NONE
1041                     : Cache.PROXYTYPE_SYSTEM;
1042     Cache.applicationProperties.setProperty("USE_PROXY", newProxyType);
1043     Cache.setOrRemove("PROXY_SERVER", proxyServerHttpTB.getText());
1044     Cache.setOrRemove("PROXY_PORT", proxyPortHttpTB.getText());
1045     Cache.setOrRemove("PROXY_SERVER_HTTPS", proxyServerHttpsTB.getText());
1046     Cache.setOrRemove("PROXY_PORT_HTTPS", proxyPortHttpsTB.getText());
1047     Cache.setOrRemove("PROXY_AUTH",
1048             Boolean.toString(proxyAuth.isSelected()));
1049     Cache.setOrRemove("PROXY_AUTH_USERNAME", proxyAuthUsernameTB.getText());
1050     Cache.proxyAuthPassword = proxyAuthPasswordPB.getPassword();
1051     Cache.setProxyPropertiesFromPreferences(previousProxyType);
1052     if (newProxyType.equals(Cache.PROXYTYPE_CUSTOM)
1053             || !newProxyType.equals(previousProxyType))
1054     {
1055       // force a re-lookup of ws if proxytype is custom or has changed
1056       wsPrefs.update++;
1057     }
1058     previousProxyType = newProxyType;
1059   }
1060
1061   /**
1062    * Do any necessary validation before saving settings. Return focus to the
1063    * first tab which fails validation.
1064    * 
1065    * @return
1066    */
1067   private boolean validateSettings()
1068   {
1069     if (!validateStructure())
1070     {
1071       structureTab.requestFocusInWindow();
1072       return false;
1073     }
1074     return true;
1075   }
1076
1077   @Override
1078   protected boolean validateStructure()
1079   {
1080     return validateViewerPath();
1081
1082   }
1083
1084   /**
1085    * DOCUMENT ME!
1086    */
1087   @Override
1088   public void startupFileTextfield_mouseClicked()
1089   {
1090     // TODO: JAL-3048 not needed for Jalview-JS
1091     String fileFormat = Cache.getProperty("DEFAULT_FILE_FORMAT");
1092     JalviewFileChooser chooser = JalviewFileChooser
1093             .forRead(Cache.getProperty("LAST_DIRECTORY"), fileFormat);
1094     chooser.setFileView(new JalviewFileView());
1095     chooser.setDialogTitle(
1096             MessageManager.getString("label.select_startup_file"));
1097
1098     int value = chooser.showOpenDialog(this);
1099
1100     if (value == JalviewFileChooser.APPROVE_OPTION)
1101     {
1102       FileFormatI format = chooser.getSelectedFormat();
1103       if (format != null)
1104       {
1105         Cache.applicationProperties.setProperty("DEFAULT_FILE_FORMAT",
1106                 format.getName());
1107       }
1108       startupFileTextfield
1109               .setText(chooser.getSelectedFile().getAbsolutePath());
1110     }
1111   }
1112
1113   /**
1114    * DOCUMENT ME!
1115    * 
1116    * @param e
1117    *          DOCUMENT ME!
1118    */
1119   @Override
1120   public void cancel_actionPerformed(ActionEvent e)
1121   {
1122     try
1123     {
1124       if (!Platform.isJS())
1125       {
1126         wsPrefs.updateWsMenuConfig(true);
1127         wsPrefs.refreshWs_actionPerformed(e);
1128       }
1129       frame.setClosed(true);
1130     } catch (Exception ex)
1131     {
1132     }
1133   }
1134
1135   /**
1136    * DOCUMENT ME!
1137    * 
1138    * @param e
1139    *          DOCUMENT ME!
1140    */
1141   @Override
1142   public void annotations_actionPerformed(ActionEvent e)
1143   {
1144     conservation.setEnabled(annotations.isSelected());
1145     quality.setEnabled(annotations.isSelected());
1146     identity.setEnabled(annotations.isSelected());
1147     showOccupancy.setEnabled(annotations.isSelected());
1148     showGroupConsensus.setEnabled(annotations.isSelected());
1149     showGroupConservation.setEnabled(annotations.isSelected());
1150     showConsensHistogram.setEnabled(annotations.isSelected()
1151             && (identity.isSelected() || showGroupConsensus.isSelected()));
1152     showConsensLogo.setEnabled(annotations.isSelected()
1153             && (identity.isSelected() || showGroupConsensus.isSelected()));
1154   }
1155
1156   @Override
1157   public void newLink_actionPerformed(ActionEvent e)
1158   {
1159     GSequenceLink link = new GSequenceLink();
1160     boolean valid = false;
1161     while (!valid)
1162     {
1163       if (JvOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
1164               MessageManager.getString("label.new_sequence_url_link"),
1165               JvOptionPane.OK_CANCEL_OPTION, -1,
1166               null) == JvOptionPane.OK_OPTION)
1167       {
1168         if (link.checkValid())
1169         {
1170           if (((UrlLinkTableModel) linkUrlTable.getModel())
1171                   .isUniqueName(link.getName()))
1172           {
1173             ((UrlLinkTableModel) linkUrlTable.getModel())
1174                     .insertRow(link.getName(), link.getURL());
1175             valid = true;
1176           }
1177           else
1178           {
1179             link.notifyDuplicate();
1180             continue;
1181           }
1182         }
1183       }
1184       else
1185       {
1186         break;
1187       }
1188     }
1189   }
1190
1191   @Override
1192   public void editLink_actionPerformed(ActionEvent e)
1193   {
1194     GSequenceLink link = new GSequenceLink();
1195
1196     int index = linkUrlTable.getSelectedRow();
1197     if (index == -1)
1198     {
1199       // button no longer enabled if row is not selected
1200       Console.debug("Edit with no row selected in linkUrlTable");
1201       return;
1202     }
1203
1204     int nameCol = ((UrlLinkTableModel) linkUrlTable.getModel())
1205             .getNameColumn();
1206     int urlCol = ((UrlLinkTableModel) linkUrlTable.getModel())
1207             .getUrlColumn();
1208     String oldName = linkUrlTable.getValueAt(index, nameCol).toString();
1209     link.setName(oldName);
1210     link.setURL(linkUrlTable.getValueAt(index, urlCol).toString());
1211
1212     boolean valid = false;
1213     while (!valid)
1214     {
1215       if (JvOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
1216               MessageManager.getString("label.edit_sequence_url_link"),
1217               JvOptionPane.OK_CANCEL_OPTION, -1,
1218               null) == JvOptionPane.OK_OPTION)
1219       {
1220         if (link.checkValid())
1221         {
1222           if ((oldName.equals(link.getName()))
1223                   || (((UrlLinkTableModel) linkUrlTable.getModel())
1224                           .isUniqueName(link.getName())))
1225           {
1226             linkUrlTable.setValueAt(link.getName(), index, nameCol);
1227             linkUrlTable.setValueAt(link.getURL(), index, urlCol);
1228             valid = true;
1229           }
1230           else
1231           {
1232             link.notifyDuplicate();
1233             continue;
1234           }
1235         }
1236       }
1237       else
1238       {
1239         break;
1240       }
1241     }
1242   }
1243
1244   @Override
1245   public void deleteLink_actionPerformed(ActionEvent e)
1246   {
1247     int index = linkUrlTable.getSelectedRow();
1248     int modelIndex = -1;
1249     if (index == -1)
1250     {
1251       // button no longer enabled if row is not selected
1252       Console.debug("Delete with no row selected in linkUrlTable");
1253       return;
1254     }
1255     else
1256     {
1257       modelIndex = linkUrlTable.convertRowIndexToModel(index);
1258     }
1259
1260     // make sure we use the model index to delete, and not the table index
1261     ((UrlLinkTableModel) linkUrlTable.getModel()).removeRow(modelIndex);
1262   }
1263
1264   @Override
1265   public void defaultBrowser_mouseClicked(MouseEvent e)
1266   {
1267     // TODO: JAL-3048 not needed for j2s
1268     if (!Platform.isJS()) // BH 2019
1269     /**
1270      * Java only
1271      * 
1272      * @j2sIgnore
1273      */
1274     {
1275       JFileChooser chooser = new JFileChooser(".");
1276       chooser.setDialogTitle(
1277               MessageManager.getString("label.select_default_browser"));
1278
1279       int value = chooser.showOpenDialog(this);
1280
1281       if (value == JFileChooser.APPROVE_OPTION)
1282       {
1283         defaultBrowser.getModel().setSelectedItem(
1284                 chooser.getSelectedFile().getAbsolutePath());
1285       }
1286     }
1287   }
1288
1289   /*
1290    * (non-Javadoc)
1291    * 
1292    * @see
1293    * jalview.jbgui.GPreferences#showunconserved_actionPerformed(java.awt.event
1294    * .ActionEvent)
1295    */
1296   @Override
1297   protected void showunconserved_actionPerformed(ActionEvent e)
1298   {
1299     // TODO Auto-generated method stub
1300     super.showunconserved_actionPerformed(e);
1301   }
1302
1303   public static List<String> getGroupURLLinks()
1304   {
1305     return groupURLLinks;
1306   }
1307
1308   @Override
1309   public void minColour_actionPerformed(JPanel panel)
1310   {
1311     JalviewColourChooser.showColourChooser(this,
1312             MessageManager.getString("label.select_colour_minimum_value"),
1313             panel);
1314   }
1315
1316   @Override
1317   public void maxColour_actionPerformed(JPanel panel)
1318   {
1319     JalviewColourChooser.showColourChooser(this,
1320             MessageManager.getString("label.select_colour_maximum_value"),
1321             panel);
1322   }
1323
1324   @Override
1325   public void gapColour_actionPerformed(JPanel gap)
1326   {
1327     if (!useLegacyGap.isSelected())
1328     {
1329       JalviewColourChooser.showColourChooser(this,
1330               MessageManager.getString("label.select_gap_colour"), gap);
1331     }
1332   }
1333
1334   @Override
1335   public void hiddenColour_actionPerformed(JPanel hidden)
1336   {
1337     JalviewColourChooser.showColourChooser(this,
1338             MessageManager.getString("label.select_hidden_colour"), hidden);
1339   }
1340
1341   @Override
1342   protected void useLegacyGaps_actionPerformed(ActionEvent e)
1343   {
1344     boolean enabled = useLegacyGap.isSelected();
1345     if (enabled)
1346     {
1347       gapColour.setBackground(
1348               jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_LEGACY_GAP);
1349     }
1350     else
1351     {
1352       gapColour.setBackground(
1353               jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_GAP);
1354     }
1355     gapColour.setEnabled(!enabled);
1356     gapLabel.setEnabled(!enabled);
1357   }
1358
1359   @Override
1360   protected void resetOvDefaults_actionPerformed(ActionEvent e)
1361   {
1362     useLegacyGap.setSelected(false);
1363     useLegacyGaps_actionPerformed(null);
1364     showHiddenAtStart.setSelected(false);
1365     hiddenColour.setBackground(
1366             jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_HIDDEN);
1367   }
1368
1369   @Override
1370   protected void userIdWidth_actionPerformed()
1371   {
1372     try
1373     {
1374       String val = userIdWidth.getText().trim();
1375       if (val.length() > 0)
1376       {
1377         Integer iw = Integer.parseInt(val);
1378         if (iw.intValue() < 12)
1379         {
1380           throw new NumberFormatException();
1381         }
1382         userIdWidth.setText(iw.toString());
1383       }
1384     } catch (NumberFormatException x)
1385     {
1386       userIdWidth.setText("");
1387       JvOptionPane.showInternalMessageDialog(Desktop.desktop,
1388               MessageManager
1389                       .getString("warn.user_defined_width_requirements"),
1390               MessageManager.getString("label.invalid_id_column_width"),
1391               JvOptionPane.WARNING_MESSAGE);
1392     }
1393   }
1394
1395   @Override
1396   protected void autoIdWidth_actionPerformed()
1397   {
1398     userIdWidth.setEnabled(!autoIdWidth.isSelected());
1399     userIdWidthlabel.setEnabled(!autoIdWidth.isSelected());
1400   }
1401
1402   /**
1403    * Returns true if structure viewer path is to a valid executable, else shows
1404    * an error dialog. Does nothing if the path is empty, as is the case for Jmol
1405    * (built in to Jalview) or when Jalview is left to try default paths.
1406    */
1407   private boolean validateViewerPath()
1408   {
1409     if (structureViewerPath.getText().trim().length() > 0)
1410     {
1411       File f = new File(structureViewerPath.getText());
1412       if (!f.canExecute())
1413       {
1414         JvOptionPane.showInternalMessageDialog(Desktop.desktop,
1415                 MessageManager.getString("label.invalid_viewer_path"),
1416                 MessageManager.getString("label.invalid_viewer_path"),
1417                 JvOptionPane.ERROR_MESSAGE);
1418         return false;
1419       }
1420     }
1421     return true;
1422   }
1423
1424   /**
1425    * If Chimera or ChimeraX or Pymol is selected, check it can be found on
1426    * default or user-specified path, if not show a warning/help dialog
1427    */
1428   @Override
1429   protected void structureViewer_actionPerformed(String selectedItem)
1430   {
1431     if (selectedItem.equals(ViewerType.JMOL.name()))
1432     {
1433       structureViewerPath.setEnabled(false);
1434       structureViewerPathLabel.setEnabled(false);
1435       return;
1436     }
1437     boolean found = false;
1438     structureViewerPath.setEnabled(true);
1439     structureViewerPathLabel.setEnabled(true);
1440     structureViewerPathLabel.setText(MessageManager
1441             .formatMessage("label.viewer_path", selectedItem));
1442
1443     /*
1444      * Try user-specified and standard paths for structure viewer executable
1445      */
1446     String viewerPath = "";
1447     List<String> paths = null;
1448     try
1449     {
1450       ViewerType viewerType = ViewerType.valueOf(selectedItem);
1451       switch (viewerType)
1452       {
1453       case JMOL:
1454         // dealt with above
1455         break;
1456       case CHIMERA:
1457         viewerPath = Cache.getDefault(CHIMERA_PATH, "");
1458         paths = StructureManager.getChimeraPaths(false);
1459         break;
1460       case CHIMERAX:
1461         viewerPath = Cache.getDefault(CHIMERAX_PATH, "");
1462         paths = StructureManager.getChimeraPaths(true);
1463         break;
1464       case PYMOL:
1465         viewerPath = Cache.getDefault(PYMOL_PATH, "");
1466         paths = PymolManager.getPymolPaths();
1467         break;
1468       }
1469     } catch (IllegalArgumentException e)
1470     {
1471       // only valid entries should be in the drop-down
1472     }
1473     structureViewerPath.setText(viewerPath);
1474
1475     paths.add(0, structureViewerPath.getText());
1476     for (String path : paths)
1477     {
1478       if (new File(path.trim()).canExecute())
1479       {
1480         found = true;
1481         break;
1482       }
1483     }
1484
1485     if (!found)
1486     {
1487       String[] options = { "OK", "Help" };
1488       int showHelp = JvOptionPane.showInternalOptionDialog(Desktop.desktop,
1489               JvSwingUtils.wrapTooltip(true,
1490                       MessageManager.getString("label.viewer_missing")),
1491               "", JvOptionPane.YES_NO_OPTION, JvOptionPane.WARNING_MESSAGE,
1492               null, options, options[0]);
1493
1494       if (showHelp == JvOptionPane.NO_OPTION)
1495       {
1496         this.selectTab(Preferences.TabRef.STRUCTURE_TAB, null);
1497         try
1498         {
1499           Help.showHelpWindow(HelpId.StructureViewer);
1500         } catch (HelpSetException e)
1501         {
1502           e.printStackTrace();
1503         }
1504       }
1505       else if (showHelp == JvOptionPane.OK_OPTION)
1506       {
1507         this.selectTab(Preferences.TabRef.STRUCTURE_TAB, null);
1508         CompletableFuture<Void> cf = CompletableFuture.runAsync(() -> {
1509           try
1510           {
1511             for (int i = 0; i < 3; i++)
1512             {
1513               structureViewerPath.setBackground(Color.PINK);
1514               Thread.sleep(500);
1515               structureViewerPath.setBackground(Color.WHITE);
1516               Thread.sleep(500);
1517             }
1518           } catch (InterruptedException e)
1519           {
1520           }
1521         });
1522       }
1523     }
1524   }
1525
1526   public class OptionsParam
1527   {
1528     private String name;
1529
1530     private String code;
1531
1532     public OptionsParam(String name, String code)
1533     {
1534       this.name = name;
1535       this.code = code;
1536     }
1537
1538     public String getName()
1539     {
1540       return name;
1541     }
1542
1543     public void setName(String name)
1544     {
1545       this.name = name;
1546     }
1547
1548     public String getCode()
1549     {
1550       return code;
1551     }
1552
1553     public void setCode(String code)
1554     {
1555       this.code = code;
1556     }
1557
1558     @Override
1559     public String toString()
1560     {
1561       return name;
1562     }
1563
1564     @Override
1565     public boolean equals(Object that)
1566     {
1567       if (!(that instanceof OptionsParam))
1568       {
1569         return false;
1570       }
1571       return this.code.equalsIgnoreCase(((OptionsParam) that).code);
1572     }
1573
1574     @Override
1575     public int hashCode()
1576     {
1577       return name.hashCode() + code.hashCode();
1578     }
1579   }
1580
1581   private class UrlListSelectionHandler implements ListSelectionListener
1582   {
1583
1584     @Override
1585     public void valueChanged(ListSelectionEvent e)
1586     {
1587       ListSelectionModel lsm = (ListSelectionModel) e.getSource();
1588
1589       int index = lsm.getMinSelectionIndex();
1590       if (index == -1)
1591       {
1592         // no selection, so disable delete/edit buttons
1593         editLink.setEnabled(false);
1594         deleteLink.setEnabled(false);
1595         return;
1596       }
1597       int modelIndex = linkUrlTable.convertRowIndexToModel(index);
1598
1599       // enable/disable edit and delete link buttons
1600       if (((UrlLinkTableModel) linkUrlTable.getModel())
1601               .isRowDeletable(modelIndex))
1602       {
1603         deleteLink.setEnabled(true);
1604       }
1605       else
1606       {
1607         deleteLink.setEnabled(false);
1608       }
1609
1610       if (((UrlLinkTableModel) linkUrlTable.getModel())
1611               .isRowEditable(modelIndex))
1612       {
1613         editLink.setEnabled(true);
1614       }
1615       else
1616       {
1617         editLink.setEnabled(false);
1618       }
1619     }
1620   }
1621 }