b04c3bcac02e69a5be7f17775bd284af16e5c4dd
[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 jalview.analysis.AnnotationSorter.SequenceAnnotationOrder;
24 import jalview.bin.Cache;
25 import jalview.gui.Help.HelpId;
26 import jalview.gui.StructureViewer.ViewerType;
27 import jalview.io.BackupFiles;
28 import jalview.io.BackupFilesPresetEntry;
29 import jalview.io.FileFormatI;
30 import jalview.io.JalviewFileChooser;
31 import jalview.io.JalviewFileView;
32 import jalview.jbgui.GPreferences;
33 import jalview.jbgui.GSequenceLink;
34 import jalview.schemes.ColourSchemeI;
35 import jalview.schemes.ColourSchemes;
36 import jalview.schemes.ResidueColourScheme;
37 import jalview.urls.UrlLinkTableModel;
38 import jalview.urls.api.UrlProviderFactoryI;
39 import jalview.urls.api.UrlProviderI;
40 import jalview.urls.desktop.DesktopUrlProviderFactory;
41 import jalview.util.MessageManager;
42 import jalview.util.Platform;
43 import jalview.util.UrlConstants;
44 import jalview.ws.sifts.SiftsSettings;
45
46 import java.awt.BorderLayout;
47 import java.awt.Color;
48 import java.awt.Component;
49 import java.awt.Dimension;
50 import java.awt.Font;
51 import java.awt.event.ActionEvent;
52 import java.awt.event.ActionListener;
53 import java.awt.event.MouseEvent;
54 import java.io.File;
55 import java.util.ArrayList;
56 import java.util.List;
57
58 import javax.help.HelpSetException;
59 import javax.swing.JComboBox;
60 import javax.swing.JFileChooser;
61 import javax.swing.JInternalFrame;
62 import javax.swing.JPanel;
63 import javax.swing.ListSelectionModel;
64 import javax.swing.RowFilter;
65 import javax.swing.RowSorter;
66 import javax.swing.SortOrder;
67 import javax.swing.event.DocumentEvent;
68 import javax.swing.event.DocumentListener;
69 import javax.swing.event.ListSelectionEvent;
70 import javax.swing.event.ListSelectionListener;
71 import javax.swing.table.TableCellRenderer;
72 import javax.swing.table.TableColumn;
73 import javax.swing.table.TableModel;
74 import javax.swing.table.TableRowSorter;
75
76 import ext.edu.ucsf.rbvi.strucviz2.StructureManager;
77
78 /**
79  * DOCUMENT ME!
80  * 
81  * @author $author$
82  * @version $Revision$
83  */
84 public class Preferences extends GPreferences
85 {
86   public static final String ENABLE_SPLIT_FRAME = "ENABLE_SPLIT_FRAME";
87
88   public static final String SCALE_PROTEIN_TO_CDNA = "SCALE_PROTEIN_TO_CDNA";
89
90   public static final String DEFAULT_COLOUR = "DEFAULT_COLOUR";
91
92   public static final String DEFAULT_COLOUR_PROT = "DEFAULT_COLOUR_PROT";
93
94   public static final String DEFAULT_COLOUR_NUC = "DEFAULT_COLOUR_NUC";
95
96   public static final String ADD_TEMPFACT_ANN = "ADD_TEMPFACT_ANN";
97
98   public static final String ADD_SS_ANN = "ADD_SS_ANN";
99
100   public static final String USE_RNAVIEW = "USE_RNAVIEW";
101
102   public static final String STRUCT_FROM_PDB = "STRUCT_FROM_PDB";
103
104   public static final String STRUCTURE_DISPLAY = "STRUCTURE_DISPLAY";
105
106   public static final String CHIMERA_PATH = "CHIMERA_PATH";
107
108   public static final String SORT_ANNOTATIONS = "SORT_ANNOTATIONS";
109
110   public static final String SHOW_AUTOCALC_ABOVE = "SHOW_AUTOCALC_ABOVE";
111
112   public static final String SHOW_OCCUPANCY = "SHOW_OCCUPANCY";
113
114   public static final String SHOW_OV_HIDDEN_AT_START = "SHOW_OV_HIDDEN_AT_START";
115
116   public static final String USE_LEGACY_GAP = "USE_LEGACY_GAP";
117
118   public static final String GAP_COLOUR = "GAP_COLOUR";
119
120   public static final String HIDDEN_COLOUR = "HIDDEN_COLOUR";
121
122   private static final int MIN_FONT_SIZE = 1;
123
124   private static final int MAX_FONT_SIZE = 30;
125
126   /**
127    * Holds name and link separated with | character. Sequence ID must be
128    * $SEQUENCE_ID$ or $SEQUENCE_ID=/.possible | chars ./=$
129    */
130   public static UrlProviderI sequenceUrlLinks;
131
132   public static UrlLinkTableModel dataModel;
133
134   /**
135    * Holds name and link separated with | character. Sequence IDS and Sequences
136    * must be $SEQUENCEIDS$ or $SEQUENCEIDS=/.possible | chars ./=$ and
137    * $SEQUENCES$ or $SEQUENCES=/.possible | chars ./=$ and separation character
138    * for first and second token specified after a pipe character at end |,|.
139    * (TODO: proper escape for using | to separate ids or sequences
140    */
141
142   public static List<String> groupURLLinks;
143   static
144   {
145     // get links selected to be in the menu (SEQUENCE_LINKS)
146     // and links entered by the user but not selected (STORED_LINKS)
147     String inMenuString = Cache.getDefault("SEQUENCE_LINKS", "");
148     String notInMenuString = Cache.getDefault("STORED_LINKS", "");
149     String defaultUrl = Cache.getDefault("DEFAULT_URL",
150             UrlConstants.DEFAULT_LABEL);
151
152     // if both links lists are empty, add the DEFAULT_URL link
153     // otherwise we assume the default link is in one of the lists
154     if (inMenuString.isEmpty() && notInMenuString.isEmpty())
155     {
156       inMenuString = UrlConstants.DEFAULT_STRING;
157     }
158     UrlProviderFactoryI factory = new DesktopUrlProviderFactory(defaultUrl,
159             inMenuString, notInMenuString);
160     sequenceUrlLinks = factory.createUrlProvider();
161     dataModel = new UrlLinkTableModel(sequenceUrlLinks);
162
163     /**
164      * TODO: reformulate groupURL encoding so two or more can be stored in the
165      * .properties file as '|' separated strings
166      */
167
168     groupURLLinks = new ArrayList<>();
169   }
170
171   JInternalFrame frame;
172
173   private WsPreferences wsPrefs;
174
175   private OptionsParam promptEachTimeOpt = new OptionsParam(
176           MessageManager.getString("label.prompt_each_time"),
177           "Prompt each time");
178
179   private OptionsParam lineArtOpt = new OptionsParam(
180           MessageManager.getString("label.lineart"), "Lineart");
181
182   private OptionsParam textOpt = new OptionsParam(
183           MessageManager.getString("action.text"), "Text");
184
185   /**
186    * Creates a new Preferences object.
187    */
188   public Preferences()
189   {
190     super();
191     frame = new JInternalFrame();
192     frame.setContentPane(this);
193     if (!Platform.isJS())
194     /**
195      * Java only
196      * 
197      * @j2sIgnore
198      */
199     {
200       wsPrefs = new WsPreferences();
201       wsTab.add(wsPrefs, BorderLayout.CENTER);
202     }
203     int width = 500, height = 450;
204     if (Platform.isAMacAndNotJS())
205     {
206       width = 570;
207       height = 480;
208     }
209
210     Desktop.addInternalFrame(frame,
211             MessageManager.getString("label.preferences"), width, height);
212     frame.setMinimumSize(new Dimension(width, height));
213
214     /*
215      * Set Visual tab defaults
216      */
217     seqLimit.setSelected(Cache.getDefault("SHOW_JVSUFFIX", true));
218     rightAlign.setSelected(Cache.getDefault("RIGHT_ALIGN_IDS", false));
219     fullScreen.setSelected(Cache.getDefault("SHOW_FULLSCREEN", false));
220     annotations.setSelected(Cache.getDefault("SHOW_ANNOTATIONS", true));
221
222     conservation.setSelected(Cache.getDefault("SHOW_CONSERVATION", true));
223     quality.setSelected(Cache.getDefault("SHOW_QUALITY", true));
224     identity.setSelected(Cache.getDefault("SHOW_IDENTITY", true));
225     openoverv.setSelected(Cache.getDefault("SHOW_OVERVIEW", false));
226     showUnconserved
227             .setSelected(Cache.getDefault("SHOW_UNCONSERVED", false));
228     showOccupancy.setSelected(Cache.getDefault(SHOW_OCCUPANCY, false));
229     showGroupConsensus
230             .setSelected(Cache.getDefault("SHOW_GROUP_CONSENSUS", false));
231     showGroupConservation.setSelected(
232             Cache.getDefault("SHOW_GROUP_CONSERVATION", false));
233     showConsensHistogram.setSelected(
234             Cache.getDefault("SHOW_CONSENSUS_HISTOGRAM", true));
235     showConsensLogo
236             .setSelected(Cache.getDefault("SHOW_CONSENSUS_LOGO", false));
237     showNpTooltip
238             .setSelected(Cache.getDefault("SHOW_NPFEATS_TOOLTIP", true));
239     showDbRefTooltip
240             .setSelected(Cache.getDefault("SHOW_DBREFS_TOOLTIP", true));
241
242     String[] fonts = java.awt.GraphicsEnvironment
243             .getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
244     for (int i = 0; i < fonts.length; i++)
245     {
246       fontNameCB.addItem(fonts[i]);
247     }
248
249     for (int i = MIN_FONT_SIZE; i <= MAX_FONT_SIZE; i++)
250     {
251       fontSizeCB.addItem(i + "");
252     }
253
254     fontStyleCB.addItem("plain");
255     fontStyleCB.addItem("bold");
256     fontStyleCB.addItem("italic");
257
258     fontNameCB.setSelectedItem(Cache.getDefault("FONT_NAME", "SansSerif"));
259     fontSizeCB.setSelectedItem(Cache.getDefault("FONT_SIZE", "10"));
260     fontStyleCB.setSelectedItem(
261             Cache.getDefault("FONT_STYLE", Font.PLAIN + ""));
262
263     smoothFont.setSelected(Cache.getDefault("ANTI_ALIAS", false));
264     scaleProteinToCdna
265             .setSelected(Cache.getDefault(SCALE_PROTEIN_TO_CDNA, false));
266
267     idItalics.setSelected(Cache.getDefault("ID_ITALICS", true));
268
269     wrap.setSelected(Cache.getDefault("WRAP_ALIGNMENT", false));
270
271     gapSymbolCB.addItem("-");
272     gapSymbolCB.addItem(".");
273
274     gapSymbolCB.setSelectedItem(Cache.getDefault("GAP_SYMBOL", "-"));
275
276     sortby.addItem("No sort");
277     sortby.addItem("Id");
278     sortby.addItem("Pairwise Identity");
279     sortby.setSelectedItem(Cache.getDefault("SORT_ALIGNMENT", "No sort"));
280
281     sortAnnBy.addItem(SequenceAnnotationOrder.NONE.toString());
282     sortAnnBy
283             .addItem(SequenceAnnotationOrder.SEQUENCE_AND_LABEL.toString());
284     sortAnnBy
285             .addItem(SequenceAnnotationOrder.LABEL_AND_SEQUENCE.toString());
286     SequenceAnnotationOrder savedSort = SequenceAnnotationOrder
287             .valueOf(Cache.getDefault(SORT_ANNOTATIONS,
288                     SequenceAnnotationOrder.NONE.name()));
289     sortAnnBy.setSelectedItem(savedSort.toString());
290
291     sortAutocalc.addItem("Autocalculated first");
292     sortAutocalc.addItem("Autocalculated last");
293     final boolean showAbove = Cache.getDefault(SHOW_AUTOCALC_ABOVE, true);
294     sortAutocalc.setSelectedItem(showAbove ? sortAutocalc.getItemAt(0)
295             : sortAutocalc.getItemAt(1));
296     startupCheckbox
297             .setSelected(Cache.getDefault("SHOW_STARTUP_FILE", true));
298     startupFileTextfield.setText(Cache.getDefault("STARTUP_FILE",
299             Cache.getDefault("www.jalview.org", "http://www.jalview.org")
300                     + "/examples/exampleFile_2_3.jar"));
301
302     /*
303      * Set Colours tab defaults
304      */
305     protColour.addItem(ResidueColourScheme.NONE);
306     nucColour.addItem(ResidueColourScheme.NONE);
307     for (ColourSchemeI cs : ColourSchemes.getInstance().getColourSchemes())
308     {
309       String name = cs.getSchemeName();
310       protColour.addItem(name);
311       nucColour.addItem(name);
312     }
313     String oldProp = Cache.getDefault(DEFAULT_COLOUR,
314             ResidueColourScheme.NONE);
315     String newProp = Cache.getDefault(DEFAULT_COLOUR_PROT, null);
316     protColour.setSelectedItem(newProp != null ? newProp : oldProp);
317     newProp = Cache.getDefault(DEFAULT_COLOUR_NUC, null);
318     nucColour.setSelectedItem(newProp != null ? newProp : oldProp);
319     minColour.setBackground(
320             Cache.getDefaultColour("ANNOTATIONCOLOUR_MIN", Color.orange));
321     maxColour.setBackground(
322             Cache.getDefaultColour("ANNOTATIONCOLOUR_MAX", Color.red));
323
324     /*
325      * Set overview panel defaults
326      */
327     gapColour.setBackground(
328             Cache.getDefaultColour(GAP_COLOUR,
329                     jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_GAP));
330     hiddenColour.setBackground(
331             Cache.getDefaultColour(HIDDEN_COLOUR,
332                     jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_HIDDEN));
333     useLegacyGap.setSelected(Cache.getDefault(USE_LEGACY_GAP, false));
334     gapLabel.setEnabled(!useLegacyGap.isSelected());
335     gapColour.setEnabled(!useLegacyGap.isSelected());
336     showHiddenAtStart
337             .setSelected(Cache.getDefault(SHOW_OV_HIDDEN_AT_START, false));
338
339     /*
340      * Set Structure tab defaults.
341      */
342     final boolean structSelected = Cache.getDefault(STRUCT_FROM_PDB, false);
343     structFromPdb.setSelected(structSelected);
344     useRnaView.setSelected(Cache.getDefault(USE_RNAVIEW, false));
345     useRnaView.setEnabled(structSelected);
346     addSecondaryStructure.setSelected(Cache.getDefault(ADD_SS_ANN, false));
347     addSecondaryStructure.setEnabled(structSelected);
348     addTempFactor.setSelected(Cache.getDefault(ADD_TEMPFACT_ANN, false));
349     addTempFactor.setEnabled(structSelected);
350     structViewer.setSelectedItem(
351             Cache.getDefault(STRUCTURE_DISPLAY, ViewerType.JMOL.name()));
352     chimeraPath.setText(Cache.getDefault(CHIMERA_PATH, ""));
353     chimeraPath.addActionListener(new ActionListener()
354     {
355       @Override
356       public void actionPerformed(ActionEvent e)
357       {
358         validateChimeraPath();
359       }
360     });
361
362     if (Cache.getDefault("MAP_WITH_SIFTS", false))
363     {
364       siftsMapping.setSelected(true);
365     }
366     else
367     {
368       nwMapping.setSelected(true);
369     }
370
371     SiftsSettings
372             .setMapWithSifts(Cache.getDefault("MAP_WITH_SIFTS", false));
373
374     /*
375      * Set Connections tab defaults
376      */
377
378     // set up sorting
379     linkUrlTable.setModel(dataModel);
380     final TableRowSorter<TableModel> sorter = new TableRowSorter<>(
381             linkUrlTable.getModel());
382     linkUrlTable.setRowSorter(sorter);
383     List<RowSorter.SortKey> sortKeys = new ArrayList<>();
384
385     UrlLinkTableModel m = (UrlLinkTableModel) linkUrlTable.getModel();
386     sortKeys.add(new RowSorter.SortKey(m.getPrimaryColumn(),
387             SortOrder.DESCENDING));
388     sortKeys.add(new RowSorter.SortKey(m.getSelectedColumn(),
389             SortOrder.DESCENDING));
390     sortKeys.add(
391             new RowSorter.SortKey(m.getNameColumn(), SortOrder.ASCENDING));
392
393     sorter.setSortKeys(sortKeys);
394     // BH 2018 setSortKeys will do the sort
395     // sorter.sort();
396
397     // set up filtering
398     ActionListener onReset;
399     onReset = new ActionListener()
400     {
401       @Override
402       public void actionPerformed(ActionEvent e)
403       {
404         filterTB.setText("");
405         sorter.setRowFilter(RowFilter.regexFilter(""));
406       }
407
408     };
409     doReset.addActionListener(onReset);
410
411     // filter to display only custom urls
412     final RowFilter<TableModel, Object> customUrlFilter = new RowFilter<TableModel, Object>()
413     {
414       @Override
415       public boolean include(
416               Entry<? extends TableModel, ? extends Object> entry)
417       {
418         return ((UrlLinkTableModel) entry.getModel()).isUserEntry(entry);
419       }
420     };
421
422     final TableRowSorter<TableModel> customSorter = new TableRowSorter<>(
423             linkUrlTable.getModel());
424     customSorter.setRowFilter(customUrlFilter);
425
426     ActionListener onCustomOnly;
427     onCustomOnly = new ActionListener()
428     {
429       @Override
430       public void actionPerformed(ActionEvent e)
431       {
432         filterTB.setText("");
433         sorter.setRowFilter(customUrlFilter);
434       }
435     };
436     userOnly.addActionListener(onCustomOnly);
437
438     filterTB.getDocument().addDocumentListener(new DocumentListener()
439     {
440       String caseInsensitiveFlag = "(?i)";
441
442       @Override
443       public void changedUpdate(DocumentEvent e)
444       {
445         sorter.setRowFilter(RowFilter
446                 .regexFilter(caseInsensitiveFlag + filterTB.getText()));
447       }
448
449       @Override
450       public void removeUpdate(DocumentEvent e)
451       {
452         sorter.setRowFilter(RowFilter
453                 .regexFilter(caseInsensitiveFlag + filterTB.getText()));
454       }
455
456       @Override
457       public void insertUpdate(DocumentEvent e)
458       {
459         sorter.setRowFilter(RowFilter
460                 .regexFilter(caseInsensitiveFlag + filterTB.getText()));
461       }
462     });
463
464     // set up list selection functionality
465     linkUrlTable.getSelectionModel()
466             .addListSelectionListener(new UrlListSelectionHandler());
467
468     // set up radio buttons
469     int onClickCol = ((UrlLinkTableModel) linkUrlTable.getModel())
470             .getPrimaryColumn();
471     String onClickName = linkUrlTable.getColumnName(onClickCol);
472     linkUrlTable.getColumn(onClickName)
473             .setCellRenderer(new RadioButtonRenderer());
474     linkUrlTable.getColumn(onClickName)
475             .setCellEditor(new RadioButtonEditor());
476
477     // get boolean columns and resize those to min possible
478     for (int column = 0; column < linkUrlTable.getColumnCount(); column++)
479     {
480       if (linkUrlTable.getModel().getColumnClass(column)
481               .equals(Boolean.class))
482       {
483         TableColumn tableColumn = linkUrlTable.getColumnModel()
484                 .getColumn(column);
485         int preferredWidth = tableColumn.getMinWidth();
486
487         TableCellRenderer cellRenderer = linkUrlTable.getCellRenderer(0,
488                 column);
489         Component c = linkUrlTable.prepareRenderer(cellRenderer, 0, column);
490         int cwidth = c.getPreferredSize().width
491                 + linkUrlTable.getIntercellSpacing().width;
492         preferredWidth = Math.max(preferredWidth, cwidth);
493
494         tableColumn.setPreferredWidth(preferredWidth);
495       }
496     }
497
498     useProxy.setSelected(Cache.getDefault("USE_PROXY", false));
499     useProxy_actionPerformed(); // make sure useProxy is correctly initialised
500     proxyServerTB.setText(Cache.getDefault("PROXY_SERVER", ""));
501     proxyPortTB.setText(Cache.getDefault("PROXY_PORT", ""));
502
503     defaultBrowser.setText(Cache.getDefault("DEFAULT_BROWSER", ""));
504
505     usagestats.setSelected(Cache.getDefault("USAGESTATS", false));
506     // note antisense here: default is true
507     questionnaire
508             .setSelected(Cache.getProperty("NOQUESTIONNAIRES") == null);
509     versioncheck.setSelected(Cache.getDefault("VERSION_CHECK", true));
510
511     /*
512      * Set Output tab defaults
513      */
514     setupOutputCombo(epsRendering, "EPS_RENDERING");
515     setupOutputCombo(htmlRendering, "HTML_RENDERING");
516     setupOutputCombo(svgRendering, "SVG_RENDERING");
517     autoIdWidth.setSelected(Cache.getDefault("FIGURE_AUTOIDWIDTH", false));
518     userIdWidth.setEnabled(!autoIdWidth.isSelected());
519     userIdWidthlabel.setEnabled(!autoIdWidth.isSelected());
520     Integer wi = Cache.getIntegerProperty("FIGURE_FIXEDIDWIDTH");
521     userIdWidth.setText(wi == null ? "" : wi.toString());
522     // TODO: refactor to use common enum via FormatAdapter and allow extension
523     // for new flat file formats
524     blcjv.setSelected(Cache.getDefault("BLC_JVSUFFIX", true));
525     clustaljv.setSelected(Cache.getDefault("CLUSTAL_JVSUFFIX", true));
526     fastajv.setSelected(Cache.getDefault("FASTA_JVSUFFIX", true));
527     msfjv.setSelected(Cache.getDefault("MSF_JVSUFFIX", true));
528     pfamjv.setSelected(Cache.getDefault("PFAM_JVSUFFIX", true));
529     pileupjv.setSelected(Cache.getDefault("PILEUP_JVSUFFIX", true));
530     pirjv.setSelected(Cache.getDefault("PIR_JVSUFFIX", true));
531     modellerOutput.setSelected(Cache.getDefault("PIR_MODELLER", false));
532     embbedBioJSON
533             .setSelected(Cache.getDefault("EXPORT_EMBBED_BIOJSON", true));
534
535     /*
536      * Set Editing tab defaults
537      */
538     autoCalculateConsCheck
539             .setSelected(Cache.getDefault("AUTO_CALC_CONSENSUS", true));
540     padGaps.setSelected(Cache.getDefault("PAD_GAPS", false));
541     sortByTree.setSelected(Cache.getDefault("SORT_BY_TREE", false));
542
543     annotations_actionPerformed(null); // update the display of the annotation
544                                        // settings
545     
546     
547     /*
548      * Set Backups tab defaults
549      */
550     if (!Platform.isJS())
551     {
552       loadLastSavedBackupsOptions();
553     }
554   }
555
556   /**
557    * A helper method that sets the items and initial selection in a character
558    * rendering option list (Prompt each time/Lineart/Text)
559    * 
560    * @param comboBox
561    * @param propertyKey
562    */
563   protected void setupOutputCombo(JComboBox<Object> comboBox,
564           String propertyKey)
565   {
566     comboBox.addItem(promptEachTimeOpt);
567     comboBox.addItem(lineArtOpt);
568     comboBox.addItem(textOpt);
569     
570     /*
571      * JalviewJS doesn't support Lineart so force it to Text
572      */
573     String defaultOption = Platform.isJS() ? "Text"
574             : Cache.getDefault(propertyKey, "Prompt each time");
575     if (defaultOption.equalsIgnoreCase("Text"))
576     {
577       comboBox.setSelectedItem(textOpt);
578     }
579     else if (defaultOption.equalsIgnoreCase("Lineart"))
580     {
581       comboBox.setSelectedItem(lineArtOpt);
582     }
583     else
584     {
585       comboBox.setSelectedItem(promptEachTimeOpt);
586     }
587   }
588
589   /**
590    * Save user selections on the Preferences tabs to the Cache and write out to
591    * file.
592    * 
593    * @param e
594    */
595   @Override
596   public void ok_actionPerformed(ActionEvent e)
597   {
598     if (!validateSettings())
599     {
600       return;
601     }
602
603     /*
604      * Save Visual settings
605      */
606     Cache.applicationProperties.setProperty("SHOW_JVSUFFIX",
607             Boolean.toString(seqLimit.isSelected()));
608     Cache.applicationProperties.setProperty("RIGHT_ALIGN_IDS",
609             Boolean.toString(rightAlign.isSelected()));
610     Cache.applicationProperties.setProperty("SHOW_FULLSCREEN",
611             Boolean.toString(fullScreen.isSelected()));
612     Cache.applicationProperties.setProperty("SHOW_OVERVIEW",
613             Boolean.toString(openoverv.isSelected()));
614     Cache.applicationProperties.setProperty("SHOW_ANNOTATIONS",
615             Boolean.toString(annotations.isSelected()));
616     Cache.applicationProperties.setProperty("SHOW_CONSERVATION",
617             Boolean.toString(conservation.isSelected()));
618     Cache.applicationProperties.setProperty("SHOW_QUALITY",
619             Boolean.toString(quality.isSelected()));
620     Cache.applicationProperties.setProperty("SHOW_IDENTITY",
621             Boolean.toString(identity.isSelected()));
622
623     Cache.applicationProperties.setProperty("GAP_SYMBOL",
624             gapSymbolCB.getSelectedItem().toString());
625
626     Cache.applicationProperties.setProperty("FONT_NAME",
627             fontNameCB.getSelectedItem().toString());
628     Cache.applicationProperties.setProperty("FONT_STYLE",
629             fontStyleCB.getSelectedItem().toString());
630     Cache.applicationProperties.setProperty("FONT_SIZE",
631             fontSizeCB.getSelectedItem().toString());
632
633     Cache.applicationProperties.setProperty("ID_ITALICS",
634             Boolean.toString(idItalics.isSelected()));
635     Cache.applicationProperties.setProperty("SHOW_UNCONSERVED",
636             Boolean.toString(showUnconserved.isSelected()));
637     Cache.applicationProperties.setProperty(SHOW_OCCUPANCY,
638             Boolean.toString(showOccupancy.isSelected()));
639     Cache.applicationProperties.setProperty("SHOW_GROUP_CONSENSUS",
640             Boolean.toString(showGroupConsensus.isSelected()));
641     Cache.applicationProperties.setProperty("SHOW_GROUP_CONSERVATION",
642             Boolean.toString(showGroupConservation.isSelected()));
643     Cache.applicationProperties.setProperty("SHOW_CONSENSUS_HISTOGRAM",
644             Boolean.toString(showConsensHistogram.isSelected()));
645     Cache.applicationProperties.setProperty("SHOW_CONSENSUS_LOGO",
646             Boolean.toString(showConsensLogo.isSelected()));
647     Cache.applicationProperties.setProperty("ANTI_ALIAS",
648             Boolean.toString(smoothFont.isSelected()));
649     Cache.applicationProperties.setProperty(SCALE_PROTEIN_TO_CDNA,
650             Boolean.toString(scaleProteinToCdna.isSelected()));
651     Cache.applicationProperties.setProperty("SHOW_NPFEATS_TOOLTIP",
652             Boolean.toString(showNpTooltip.isSelected()));
653     Cache.applicationProperties.setProperty("SHOW_DBREFS_TOOLTIP",
654             Boolean.toString(showDbRefTooltip.isSelected()));
655
656     Cache.applicationProperties.setProperty("WRAP_ALIGNMENT",
657             Boolean.toString(wrap.isSelected()));
658
659     Cache.applicationProperties.setProperty("STARTUP_FILE",
660             startupFileTextfield.getText());
661     Cache.applicationProperties.setProperty("SHOW_STARTUP_FILE",
662             Boolean.toString(startupCheckbox.isSelected()));
663
664     Cache.applicationProperties.setProperty("SORT_ALIGNMENT",
665             sortby.getSelectedItem().toString());
666
667     // convert description of sort order to enum name for save
668     SequenceAnnotationOrder annSortOrder = SequenceAnnotationOrder
669             .forDescription(sortAnnBy.getSelectedItem().toString());
670     if (annSortOrder != null)
671     {
672       Cache.applicationProperties.setProperty(SORT_ANNOTATIONS,
673               annSortOrder.name());
674     }
675
676     final boolean showAutocalcFirst = sortAutocalc.getSelectedIndex() == 0;
677     Cache.applicationProperties.setProperty(SHOW_AUTOCALC_ABOVE,
678             Boolean.valueOf(showAutocalcFirst).toString());
679
680     /*
681      * Save Colours settings
682      */
683     Cache.applicationProperties.setProperty(DEFAULT_COLOUR_PROT,
684             protColour.getSelectedItem().toString());
685     Cache.applicationProperties.setProperty(DEFAULT_COLOUR_NUC,
686             nucColour.getSelectedItem().toString());
687     Cache.setColourProperty("ANNOTATIONCOLOUR_MIN",
688             minColour.getBackground());
689     Cache.setColourProperty("ANNOTATIONCOLOUR_MAX",
690             maxColour.getBackground());
691
692     /*
693      * Save Overview settings
694      */
695     Cache.setColourProperty(GAP_COLOUR, gapColour.getBackground());
696     Cache.setColourProperty(HIDDEN_COLOUR, hiddenColour.getBackground());
697     Cache.applicationProperties.setProperty(USE_LEGACY_GAP,
698             Boolean.toString(useLegacyGap.isSelected()));
699     Cache.applicationProperties.setProperty(SHOW_OV_HIDDEN_AT_START,
700             Boolean.toString(showHiddenAtStart.isSelected()));
701
702     /*
703      * Save Structure settings
704      */
705     Cache.applicationProperties.setProperty(ADD_TEMPFACT_ANN,
706             Boolean.toString(addTempFactor.isSelected()));
707     Cache.applicationProperties.setProperty(ADD_SS_ANN,
708             Boolean.toString(addSecondaryStructure.isSelected()));
709     Cache.applicationProperties.setProperty(USE_RNAVIEW,
710             Boolean.toString(useRnaView.isSelected()));
711     Cache.applicationProperties.setProperty(STRUCT_FROM_PDB,
712             Boolean.toString(structFromPdb.isSelected()));
713     Cache.applicationProperties.setProperty(STRUCTURE_DISPLAY,
714             structViewer.getSelectedItem().toString());
715     Cache.setOrRemove(CHIMERA_PATH, chimeraPath.getText());
716     Cache.applicationProperties.setProperty("MAP_WITH_SIFTS",
717             Boolean.toString(siftsMapping.isSelected()));
718     SiftsSettings.setMapWithSifts(siftsMapping.isSelected());
719
720     /*
721      * Save Output settings
722      */
723     Cache.applicationProperties.setProperty("EPS_RENDERING",
724             ((OptionsParam) epsRendering.getSelectedItem()).getCode());
725     Cache.applicationProperties.setProperty("HTML_RENDERING",
726             ((OptionsParam) htmlRendering.getSelectedItem()).getCode());
727     Cache.applicationProperties.setProperty("SVG_RENDERING",
728             ((OptionsParam) svgRendering.getSelectedItem()).getCode());
729
730     /*
731      * Save Connections settings
732      */
733     Cache.setOrRemove("DEFAULT_BROWSER", defaultBrowser.getText());
734
735     jalview.util.BrowserLauncher.resetBrowser();
736
737     // save user-defined and selected links
738     String menuLinks = sequenceUrlLinks.writeUrlsAsString(true);
739     if (menuLinks.isEmpty())
740     {
741       Cache.applicationProperties.remove("SEQUENCE_LINKS");
742     }
743     else
744     {
745       Cache.applicationProperties.setProperty("SEQUENCE_LINKS",
746               menuLinks.toString());
747     }
748
749     String nonMenuLinks = sequenceUrlLinks.writeUrlsAsString(false);
750     if (nonMenuLinks.isEmpty())
751     {
752       Cache.applicationProperties.remove("STORED_LINKS");
753     }
754     else
755     {
756       Cache.applicationProperties.setProperty("STORED_LINKS",
757               nonMenuLinks.toString());
758     }
759
760     Cache.applicationProperties.setProperty("DEFAULT_URL",
761             sequenceUrlLinks.getPrimaryUrlId());
762
763     Cache.applicationProperties.setProperty("USE_PROXY",
764             Boolean.toString(useProxy.isSelected()));
765
766     Cache.setOrRemove("PROXY_SERVER", proxyServerTB.getText());
767
768     Cache.setOrRemove("PROXY_PORT", proxyPortTB.getText());
769
770     if (useProxy.isSelected())
771     {
772       System.setProperty("http.proxyHost", proxyServerTB.getText());
773       System.setProperty("http.proxyPort", proxyPortTB.getText());
774     }
775     else
776     {
777       System.setProperty("http.proxyHost", "");
778       System.setProperty("http.proxyPort", "");
779     }
780     Cache.setProperty("VERSION_CHECK",
781             Boolean.toString(versioncheck.isSelected()));
782     if (Cache.getProperty("USAGESTATS") != null || usagestats.isSelected())
783     {
784       // default is false - we only set this if the user has actively agreed
785       Cache.setProperty("USAGESTATS",
786               Boolean.toString(usagestats.isSelected()));
787     }
788     if (!questionnaire.isSelected())
789     {
790       Cache.setProperty("NOQUESTIONNAIRES", "true");
791     }
792     else
793     {
794       // special - made easy to edit a property file to disable questionnaires
795       // by just adding the given line
796       Cache.removeProperty("NOQUESTIONNAIRES");
797     }
798
799     /*
800      * Save Output settings
801      */
802     Cache.applicationProperties.setProperty("BLC_JVSUFFIX",
803             Boolean.toString(blcjv.isSelected()));
804     Cache.applicationProperties.setProperty("CLUSTAL_JVSUFFIX",
805             Boolean.toString(clustaljv.isSelected()));
806     Cache.applicationProperties.setProperty("FASTA_JVSUFFIX",
807             Boolean.toString(fastajv.isSelected()));
808     Cache.applicationProperties.setProperty("MSF_JVSUFFIX",
809             Boolean.toString(msfjv.isSelected()));
810     Cache.applicationProperties.setProperty("PFAM_JVSUFFIX",
811             Boolean.toString(pfamjv.isSelected()));
812     Cache.applicationProperties.setProperty("PILEUP_JVSUFFIX",
813             Boolean.toString(pileupjv.isSelected()));
814     Cache.applicationProperties.setProperty("PIR_JVSUFFIX",
815             Boolean.toString(pirjv.isSelected()));
816     Cache.applicationProperties.setProperty("PIR_MODELLER",
817             Boolean.toString(modellerOutput.isSelected()));
818     Cache.applicationProperties.setProperty("EXPORT_EMBBED_BIOJSON",
819             Boolean.toString(embbedBioJSON.isSelected()));
820     jalview.io.PIRFile.useModellerOutput = modellerOutput.isSelected();
821
822     Cache.applicationProperties.setProperty("FIGURE_AUTOIDWIDTH",
823             Boolean.toString(autoIdWidth.isSelected()));
824     userIdWidth_actionPerformed();
825     Cache.applicationProperties.setProperty("FIGURE_FIXEDIDWIDTH",
826             userIdWidth.getText());
827
828     /*
829      * Save Editing settings
830      */
831     Cache.applicationProperties.setProperty("AUTO_CALC_CONSENSUS",
832             Boolean.toString(autoCalculateConsCheck.isSelected()));
833     Cache.applicationProperties.setProperty("SORT_BY_TREE",
834             Boolean.toString(sortByTree.isSelected()));
835     Cache.applicationProperties.setProperty("PAD_GAPS",
836             Boolean.toString(padGaps.isSelected()));
837
838     if (!Platform.isJS())
839     {
840       wsPrefs.updateAndRefreshWsMenuConfig(false);
841     }
842
843     /*
844      * Save Backups settings
845      */
846     Cache.applicationProperties.setProperty(BackupFiles.ENABLED,
847             Boolean.toString(enableBackupFiles.isSelected()));
848     int preset = getComboIntStringKey(backupfilesPresetsCombo);
849     Cache.applicationProperties.setProperty(BackupFiles.NS + "_PRESET", Integer.toString(preset));
850
851     if (preset == BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM)
852     {
853       BackupFilesPresetEntry customBFPE = getBackupfilesCurrentEntry();
854       BackupFilesPresetEntry.backupfilesPresetEntriesValues.put(
855               BackupFilesPresetEntry.BACKUPFILESSCHEMECUSTOM, customBFPE);
856       Cache.applicationProperties
857               .setProperty(BackupFilesPresetEntry.CUSTOMCONFIG,
858                       customBFPE.toString());
859     }
860
861     BackupFilesPresetEntry savedBFPE = BackupFilesPresetEntry.backupfilesPresetEntriesValues
862             .get(preset);
863     Cache.applicationProperties.setProperty(
864             BackupFilesPresetEntry.SAVEDCONFIG, savedBFPE.toString());
865
866     Cache.saveProperties();
867     Desktop.instance.doConfigureStructurePrefs();
868     try
869     {
870       frame.setClosed(true);
871     } catch (Exception ex)
872     {
873     }
874   }
875
876   /**
877    * Do any necessary validation before saving settings. Return focus to the
878    * first tab which fails validation.
879    * 
880    * @return
881    */
882   private boolean validateSettings()
883   {
884     if (!validateStructure())
885     {
886       structureTab.requestFocusInWindow();
887       return false;
888     }
889     return true;
890   }
891
892   @Override
893   protected boolean validateStructure()
894   {
895     return validateChimeraPath();
896
897   }
898
899   /**
900    * DOCUMENT ME!
901    */
902   @Override
903   public void startupFileTextfield_mouseClicked()
904   {
905     // TODO: JAL-3048 not needed for Jalview-JS
906     String fileFormat = Cache.getProperty("DEFAULT_FILE_FORMAT");
907     JalviewFileChooser chooser = JalviewFileChooser
908             .forRead(Cache.getProperty("LAST_DIRECTORY"), fileFormat);
909     chooser.setFileView(new JalviewFileView());
910     chooser.setDialogTitle(
911             MessageManager.getString("label.select_startup_file"));
912
913     int value = chooser.showOpenDialog(this);
914
915     if (value == JalviewFileChooser.APPROVE_OPTION)
916     {
917       FileFormatI format = chooser.getSelectedFormat();
918       if (format != null)
919       {
920         Cache.applicationProperties.setProperty("DEFAULT_FILE_FORMAT",
921                 format.getName());
922       }
923       startupFileTextfield
924               .setText(chooser.getSelectedFile().getAbsolutePath());
925     }
926   }
927
928   /**
929    * DOCUMENT ME!
930    * 
931    * @param e
932    *          DOCUMENT ME!
933    */
934   @Override
935   public void cancel_actionPerformed(ActionEvent e)
936   {
937     try
938     {
939       if (!Platform.isJS())
940       {
941         wsPrefs.updateWsMenuConfig(true);
942         wsPrefs.refreshWs_actionPerformed(e);
943       }
944       frame.setClosed(true);
945     } catch (Exception ex)
946     {
947     }
948   }
949
950   /**
951    * DOCUMENT ME!
952    * 
953    * @param e
954    *          DOCUMENT ME!
955    */
956   @Override
957   public void annotations_actionPerformed(ActionEvent e)
958   {
959     conservation.setEnabled(annotations.isSelected());
960     quality.setEnabled(annotations.isSelected());
961     identity.setEnabled(annotations.isSelected());
962     showOccupancy.setEnabled(annotations.isSelected());
963     showGroupConsensus.setEnabled(annotations.isSelected());
964     showGroupConservation.setEnabled(annotations.isSelected());
965     showConsensHistogram.setEnabled(annotations.isSelected()
966             && (identity.isSelected() || showGroupConsensus.isSelected()));
967     showConsensLogo.setEnabled(annotations.isSelected()
968             && (identity.isSelected() || showGroupConsensus.isSelected()));
969   }
970
971   @Override
972   public void newLink_actionPerformed(ActionEvent e)
973   {
974     GSequenceLink link = new GSequenceLink();
975     boolean valid = false;
976     while (!valid)
977     {
978       if (JvOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
979               MessageManager.getString("label.new_sequence_url_link"),
980               JvOptionPane.OK_CANCEL_OPTION, -1,
981               null) == JvOptionPane.OK_OPTION)
982       {
983         if (link.checkValid())
984         {
985           if (((UrlLinkTableModel) linkUrlTable.getModel())
986                   .isUniqueName(link.getName()))
987           {
988             ((UrlLinkTableModel) linkUrlTable.getModel())
989                     .insertRow(link.getName(), link.getURL());
990             valid = true;
991           }
992           else
993           {
994             link.notifyDuplicate();
995             continue;
996           }
997         }
998       }
999       else
1000       {
1001         break;
1002       }
1003     }
1004   }
1005
1006   @Override
1007   public void editLink_actionPerformed(ActionEvent e)
1008   {
1009     GSequenceLink link = new GSequenceLink();
1010
1011     int index = linkUrlTable.getSelectedRow();
1012     if (index == -1)
1013     {
1014       // button no longer enabled if row is not selected
1015       Cache.log.debug("Edit with no row selected in linkUrlTable");
1016       return;
1017     }
1018
1019     int nameCol = ((UrlLinkTableModel) linkUrlTable.getModel())
1020             .getNameColumn();
1021     int urlCol = ((UrlLinkTableModel) linkUrlTable.getModel())
1022             .getUrlColumn();
1023     String oldName = linkUrlTable.getValueAt(index, nameCol).toString();
1024     link.setName(oldName);
1025     link.setURL(linkUrlTable.getValueAt(index, urlCol).toString());
1026
1027     boolean valid = false;
1028     while (!valid)
1029     {
1030       if (JvOptionPane.showInternalConfirmDialog(Desktop.desktop, link,
1031               MessageManager.getString("label.edit_sequence_url_link"),
1032               JvOptionPane.OK_CANCEL_OPTION, -1,
1033               null) == JvOptionPane.OK_OPTION)
1034       {
1035         if (link.checkValid())
1036         {
1037           if ((oldName.equals(link.getName()))
1038                   || (((UrlLinkTableModel) linkUrlTable.getModel())
1039                           .isUniqueName(link.getName())))
1040           {
1041             linkUrlTable.setValueAt(link.getName(), index, nameCol);
1042             linkUrlTable.setValueAt(link.getURL(), index, urlCol);
1043             valid = true;
1044           }
1045           else
1046           {
1047             link.notifyDuplicate();
1048             continue;
1049           }
1050         }
1051       }
1052       else
1053       {
1054         break;
1055       }
1056     }
1057   }
1058
1059   @Override
1060   public void deleteLink_actionPerformed(ActionEvent e)
1061   {
1062     int index = linkUrlTable.getSelectedRow();
1063     int modelIndex = -1;
1064     if (index == -1)
1065     {
1066       // button no longer enabled if row is not selected
1067       Cache.log.debug("Delete with no row selected in linkUrlTable");
1068       return;
1069     }
1070     else
1071     {
1072       modelIndex = linkUrlTable.convertRowIndexToModel(index);
1073     }
1074
1075     // make sure we use the model index to delete, and not the table index
1076     ((UrlLinkTableModel) linkUrlTable.getModel()).removeRow(modelIndex);
1077   }
1078
1079   @Override
1080   public void defaultBrowser_mouseClicked(MouseEvent e)
1081   {
1082     // TODO: JAL-3048 not needed for j2s
1083     if (!Platform.isJS()) // BH 2019
1084     /**
1085      * Java only
1086      * 
1087      * @j2sIgnore
1088      */
1089     {
1090       JFileChooser chooser = new JFileChooser(".");
1091       chooser.setDialogTitle(
1092               MessageManager.getString("label.select_default_browser"));
1093
1094       int value = chooser.showOpenDialog(this);
1095
1096       if (value == JFileChooser.APPROVE_OPTION)
1097       {
1098         defaultBrowser.setText(chooser.getSelectedFile().getAbsolutePath());
1099       }
1100     }
1101   }
1102
1103   /*
1104    * (non-Javadoc)
1105    * 
1106    * @see
1107    * jalview.jbgui.GPreferences#showunconserved_actionPerformed(java.awt.event
1108    * .ActionEvent)
1109    */
1110   @Override
1111   protected void showunconserved_actionPerformed(ActionEvent e)
1112   {
1113     // TODO Auto-generated method stub
1114     super.showunconserved_actionPerformed(e);
1115   }
1116
1117   public static List<String> getGroupURLLinks()
1118   {
1119     return groupURLLinks;
1120   }
1121
1122   @Override
1123   public void minColour_actionPerformed(JPanel panel)
1124   {
1125     JalviewColourChooser.showColourChooser(this,
1126             MessageManager.getString("label.select_colour_minimum_value"),
1127             panel);
1128   }
1129
1130   @Override
1131   public void maxColour_actionPerformed(JPanel panel)
1132   {
1133     JalviewColourChooser.showColourChooser(this,
1134             MessageManager.getString("label.select_colour_maximum_value"),
1135             panel);
1136   }
1137
1138   @Override
1139   public void gapColour_actionPerformed(JPanel gap)
1140   {
1141     if (!useLegacyGap.isSelected())
1142     {
1143       JalviewColourChooser.showColourChooser(this,
1144               MessageManager.getString("label.select_gap_colour"),
1145               gap);
1146     }
1147   }
1148
1149   @Override
1150   public void hiddenColour_actionPerformed(JPanel hidden)
1151   {
1152     JalviewColourChooser.showColourChooser(this,
1153             MessageManager.getString("label.select_hidden_colour"),
1154             hidden);
1155   }
1156
1157   @Override
1158   protected void useLegacyGaps_actionPerformed(ActionEvent e)
1159   {
1160     boolean enabled = useLegacyGap.isSelected();
1161     if (enabled)
1162     {
1163       gapColour.setBackground(
1164               jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_LEGACY_GAP);
1165     }
1166     else
1167     {
1168       gapColour.setBackground(
1169               jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_GAP);
1170     }
1171     gapColour.setEnabled(!enabled);
1172     gapLabel.setEnabled(!enabled);
1173   }
1174
1175   @Override
1176   protected void resetOvDefaults_actionPerformed(ActionEvent e)
1177   {
1178     useLegacyGap.setSelected(false);
1179     useLegacyGaps_actionPerformed(null);
1180     showHiddenAtStart.setSelected(false);
1181     hiddenColour.setBackground(
1182             jalview.renderer.OverviewResColourFinder.OVERVIEW_DEFAULT_HIDDEN);
1183   }
1184
1185   @Override
1186   protected void userIdWidth_actionPerformed()
1187   {
1188     try
1189     {
1190       String val = userIdWidth.getText().trim();
1191       if (val.length() > 0)
1192       {
1193         Integer iw = Integer.parseInt(val);
1194         if (iw.intValue() < 12)
1195         {
1196           throw new NumberFormatException();
1197         }
1198         userIdWidth.setText(iw.toString());
1199       }
1200     } catch (NumberFormatException x)
1201     {
1202       userIdWidth.setText("");
1203       JvOptionPane.showInternalMessageDialog(Desktop.desktop,
1204               MessageManager
1205                       .getString("warn.user_defined_width_requirements"),
1206               MessageManager.getString("label.invalid_id_column_width"),
1207               JvOptionPane.WARNING_MESSAGE);
1208     }
1209   }
1210
1211   @Override
1212   protected void autoIdWidth_actionPerformed()
1213   {
1214     userIdWidth.setEnabled(!autoIdWidth.isSelected());
1215     userIdWidthlabel.setEnabled(!autoIdWidth.isSelected());
1216   }
1217
1218   /**
1219    * Returns true if chimera path is to a valid executable, else show an error
1220    * dialog.
1221    */
1222   private boolean validateChimeraPath()
1223   {
1224     if (chimeraPath.getText().trim().length() > 0)
1225     {
1226       File f = new File(chimeraPath.getText());
1227       if (!f.canExecute())
1228       {
1229         JvOptionPane.showInternalMessageDialog(Desktop.desktop,
1230                 MessageManager.getString("label.invalid_chimera_path"),
1231                 MessageManager.getString("label.invalid_name"),
1232                 JvOptionPane.ERROR_MESSAGE);
1233         return false;
1234       }
1235     }
1236     return true;
1237   }
1238
1239   /**
1240    * If Chimera is selected, check it can be found on default or user-specified
1241    * path, if not show a warning/help dialog.
1242    */
1243   @Override
1244   protected void structureViewer_actionPerformed(String selectedItem)
1245   {
1246     if (!selectedItem.equals(ViewerType.CHIMERA.name()))
1247     {
1248       return;
1249     }
1250     boolean found = false;
1251
1252     /*
1253      * Try user-specified and standard paths for Chimera executable.
1254      */
1255     List<String> paths = StructureManager.getChimeraPaths();
1256     paths.add(0, chimeraPath.getText());
1257     for (String path : paths)
1258     {
1259       if (new File(path.trim()).canExecute())
1260       {
1261         found = true;
1262         break;
1263       }
1264     }
1265     if (!found)
1266     {
1267       String[] options = { "OK", "Help" };
1268       int showHelp = JvOptionPane.showInternalOptionDialog(Desktop.desktop,
1269               JvSwingUtils.wrapTooltip(true,
1270                       MessageManager.getString("label.chimera_missing")),
1271               "", JvOptionPane.YES_NO_OPTION, JvOptionPane.WARNING_MESSAGE,
1272               null, options, options[0]);
1273       if (showHelp == JvOptionPane.NO_OPTION)
1274       {
1275         try
1276         {
1277           Help.showHelpWindow(HelpId.StructureViewer);
1278         } catch (HelpSetException e)
1279         {
1280           e.printStackTrace();
1281         }
1282       }
1283     }
1284   }
1285
1286   public class OptionsParam
1287   {
1288     private String name;
1289
1290     private String code;
1291
1292     public OptionsParam(String name, String code)
1293     {
1294       this.name = name;
1295       this.code = code;
1296     }
1297
1298     public String getName()
1299     {
1300       return name;
1301     }
1302
1303     public void setName(String name)
1304     {
1305       this.name = name;
1306     }
1307
1308     public String getCode()
1309     {
1310       return code;
1311     }
1312
1313     public void setCode(String code)
1314     {
1315       this.code = code;
1316     }
1317
1318     @Override
1319     public String toString()
1320     {
1321       return name;
1322     }
1323
1324     @Override
1325     public boolean equals(Object that)
1326     {
1327       if (!(that instanceof OptionsParam))
1328       {
1329         return false;
1330       }
1331       return this.code.equalsIgnoreCase(((OptionsParam) that).code);
1332     }
1333
1334     @Override
1335     public int hashCode()
1336     {
1337       return name.hashCode() + code.hashCode();
1338     }
1339   }
1340
1341   private class UrlListSelectionHandler implements ListSelectionListener
1342   {
1343
1344     @Override
1345     public void valueChanged(ListSelectionEvent e)
1346     {
1347       ListSelectionModel lsm = (ListSelectionModel) e.getSource();
1348
1349       int index = lsm.getMinSelectionIndex();
1350       if (index == -1)
1351       {
1352         // no selection, so disable delete/edit buttons
1353         editLink.setEnabled(false);
1354         deleteLink.setEnabled(false);
1355         return;
1356       }
1357       int modelIndex = linkUrlTable.convertRowIndexToModel(index);
1358
1359       // enable/disable edit and delete link buttons
1360       if (((UrlLinkTableModel) linkUrlTable.getModel())
1361               .isRowDeletable(modelIndex))
1362       {
1363         deleteLink.setEnabled(true);
1364       }
1365       else
1366       {
1367         deleteLink.setEnabled(false);
1368       }
1369
1370       if (((UrlLinkTableModel) linkUrlTable.getModel())
1371               .isRowEditable(modelIndex))
1372       {
1373         editLink.setEnabled(true);
1374       }
1375       else
1376       {
1377         editLink.setEnabled(false);
1378       }
1379     }
1380   }
1381 }