+ * Constructs a menu with sub-menu items for any hyperlinks for the sequence
+ * and/or features provided. Hyperlinks may include a lookup by sequence id,
+ * or database cross-references, depending on which links are enabled in user
+ * preferences.
+ *
+ * @param seq
+ * @param features
+ * @return
+ */
+ static JMenu buildLinkMenu(final SequenceI seq,
+ List<SequenceFeature> features)
+ {
+ JMenu linkMenu = new JMenu(MessageManager.getString("action.link"));
+
+ List<String> nlinks = null;
+ if (seq != null)
+ {
+ nlinks = Preferences.sequenceUrlLinks.getLinksForMenu();
+ UrlLink.sort(nlinks);
+ }
+ else
+ {
+ nlinks = new ArrayList<>();
+ }
+
+ if (features != null)
+ {
+ for (SequenceFeature sf : features)
+ {
+ if (sf.links != null)
+ {
+ for (String link : sf.links)
+ {
+ nlinks.add(link);
+ }
+ }
+ }
+ }
+
+ /*
+ * instantiate the hyperlinklink templates from sequence data;
+ * note the order of the templates is preserved in the map
+ */
+ Map<String, List<String>> linkset = new LinkedHashMap<>();
+ for (String link : nlinks)
+ {
+ UrlLink urlLink = null;
+ try
+ {
+ urlLink = new UrlLink(link);
+ } catch (Exception foo)
+ {
+ Cache.log.error("Exception for URLLink '" + link + "'", foo);
+ continue;
+ }
+
+ if (!urlLink.isValid())
+ {
+ Cache.log.error(urlLink.getInvalidMessage());
+ continue;
+ }
+
+ urlLink.createLinksFromSeq(seq, linkset);
+ }
+
+ /*
+ * construct menu items for the hyperlinks (still preserving
+ * the order of the sorted templates)
+ */
+ addUrlLinks(linkMenu, linkset.values());
+
+ return linkMenu;
+ }
+
+ /**
+ * A helper method that builds menu items from the given links, with action
+ * handlers to open the link URL, and adds them to the linkMenu. Each provided
+ * link should be a list whose second item is the menu text, and whose fourth
+ * item is the URL to open when the menu item is selected.
+ *
+ * @param linkMenu
+ * @param linkset
+ */
+ static private void addUrlLinks(JMenu linkMenu,
+ Collection<List<String>> linkset)
+ {
+ for (List<String> linkstrset : linkset)
+ {
+ final String url = linkstrset.get(3);
+ JMenuItem item = new JMenuItem(linkstrset.get(1));
+ item.setToolTipText(MessageManager
+ .formatMessage("label.open_url_param", new Object[]
+ { url }));
+ item.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent e)
+ {
+ new Thread(new Runnable()
+ {
+ @Override
+ public void run()
+ {
+ showLink(url);
+ }
+ }).start();
+ }
+ });
+ linkMenu.add(item);
+ }
+ }
+
+ /**
+ * Opens the provided url in the default web browser, or shows an error
+ * message if this fails
+ *
+ * @param url
+ */
+ static void showLink(String url)
+ {
+ try
+ {
+ jalview.util.BrowserLauncher.openURL(url);
+ } catch (Exception ex)
+ {
+ JvOptionPane.showInternalMessageDialog(Desktop.desktop,
+ MessageManager.getString("label.web_browser_not_found_unix"),
+ MessageManager.getString("label.web_browser_not_found"),
+ JvOptionPane.WARNING_MESSAGE);
+
+ ex.printStackTrace();
+ }
+ }
+
+ /**
+ * add a late bound groupURL item to the given linkMenu
+ *
+ * @param linkMenu
+ * @param label
+ * - menu label string
+ * @param urlgenerator
+ * GroupURLLink used to generate URL
+ * @param urlstub
+ * Object array returned from the makeUrlStubs function.
+ */
+ static void addshowLink(JMenu linkMenu, String label,
+ final GroupUrlLink urlgenerator, final Object[] urlstub)
+ {
+ JMenuItem item = new JMenuItem(label);
+ item.setToolTipText(MessageManager
+ .formatMessage("label.open_url_seqs_param", new Object[]
+ { urlgenerator.getUrl_prefix(),
+ urlgenerator.getNumberInvolved(urlstub) }));
+ // TODO: put in info about what is being sent.
+ item.addActionListener(new ActionListener()
+ {
+ @Override
+ public void actionPerformed(ActionEvent e)
+ {
+ new Thread(new Runnable()
+ {
+
+ @Override
+ public void run()
+ {
+ try
+ {
+ showLink(urlgenerator.constructFrom(urlstub));
+ } catch (UrlStringTooLongException e2)
+ {
+ }
+ }
+
+ }).start();
+ }
+ });
+
+ linkMenu.add(item);
+ }
+
+ /**