2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
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.
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.
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.
23 import java.awt.Point;
26 import javax.help.BadIDException;
27 import javax.help.HelpBroker;
28 import javax.help.HelpSet;
29 import javax.help.HelpSetException;
31 import jalview.util.BrowserLauncher;
32 import jalview.util.Platform;
35 * Utility class to show the help documentation window
41 private static final String HELP_PAGE_ROOT = "http://www.jalview.org/help/";
44 * Defines selected help targets with links to inbuilt (Java) help page
45 * target, and externally hosted help page. Will need to be maintained
46 * manually if help pages are reorganised in future.
50 Home("home", "help.html"),
51 SequenceFeatureSettings("seqfeatures.settings",
52 "html/features/featuresettings.html"),
53 StructureViewer("viewingpdbs", "html/features/viewingpdbs.html"),
54 PdbFts("pdbfts", "html/features/pdbsequencefetcher.html#pdbfts"),
55 UniprotFts("uniprotfts",
56 "html/features/uniprotsequencefetcher.html#uniprotfts");
62 private HelpId(String hepLoc, String htmlPath)
79 private static HelpBroker hb;
90 * Shows the help window, at the entry specified by the given helpId
94 * @throws HelpSetException
96 public static void showHelpWindow(HelpId id) throws HelpSetException
104 BrowserLauncher.openURL(HELP_PAGE_ROOT + id.getPath());
106 } catch (IOException e)
119 ClassLoader cl = Desktop.class.getClassLoader();
120 URL url = HelpSet.findHelpSet(cl, "help/help"); // $NON-NLS-$
121 HelpSet hs = new HelpSet(cl, url);
126 * create help broker first time (only)
128 hb = hs.createHelpBroker();
133 hb.setCurrentID(id.getId());
134 } catch (BadIDException bad)
136 System.out.println("Bad help link: " + id.getId()
137 + ": must match a target in help.jhm");
142 * set Help visible - at its current location if it is already shown,
143 * else at a location as determined by the window manager
145 Point p = hb.getLocation();
147 hb.setDisplayed(true);
152 * Show the Help window at the root entry
154 * @throws HelpSetException
156 public static void showHelpWindow() throws HelpSetException
158 showHelpWindow(HelpId.Home);