Coverage Report
File Help.java
Coverage histogram
50% of files have more coverage
Classes
| Class | Line # | Actions | |||
|---|---|---|---|---|---|
| Help | 40 | 16 | 7 | ||
| Help.HelpId | 49 | 4 | 3 |
Contributing tests
This file is covered by 1 test.
.
Source view
| 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.util.BrowserLauncher; | |
| 24 | import jalview.util.Platform; | |
| 25 | ||
| 26 | import java.awt.Point; | |
| 27 | import java.io.IOException; | |
| 28 | import java.net.URL; | |
| 29 | ||
| 30 | import javax.help.BadIDException; | |
| 31 | import javax.help.HelpBroker; | |
| 32 | import javax.help.HelpSet; | |
| 33 | import javax.help.HelpSetException; | |
| 34 | ||
| 35 | /** | |
| 36 | * Utility class to show the help documentation window | |
| 37 | * | |
| 38 | * @author gmcarstairs | |
| 39 | */ | |
| 40 | public class Help | |
| 41 | { | |
| 42 | private static final String HELP_PAGE_ROOT = "http://www.jalview.org/help/"; | |
| 43 | ||
| 44 | /** | |
| 45 | * Defines selected help targets with links to inbuilt (Java) help page target, | |
| 46 | * and externally hosted help page. Will need to be maintained manually if help | |
| 47 | * pages are reorganised in future. | |
| 48 | */ | |
| 49 | public enum HelpId | |
| 50 | { | |
| 51 | Home("home", "help.html"), SequenceFeatureSettings("seqfeatures.settings", "html/features/featuresettings.html"), | |
| 52 | StructureViewer("viewingpdbs", "html/features/viewingpdbs.html"), PdbFts("pdbfts", "html/features/pdbsequencefetcher.html#pdbfts"), | |
| 53 | UniprotFts("uniprotfts", "html/features/uniprotsequencefetcher.html#uniprotfts"); | |
| 54 | ||
| 55 | private String id; | |
| 56 | ||
| 57 | private String path; | |
| 58 | ||
| 59 | 5 |  private HelpId(String hepLoc, String htmlPath) |
| 60 | { | |
| 61 | 5 | this.id = hepLoc; |
| 62 | 5 | this.path = htmlPath; |
| 63 | } | |
| 64 | ||
| 65 | 5 | String getId() |
| 66 | { | |
| 67 | 5 | return this.id; |
| 68 | } | |
| 69 | ||
| 70 | 0 | String getPath() |
| 71 | { | |
| 72 | 0 | return this.path; |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | private static HelpBroker hb; | |
| 77 | ||
| 78 | /** | |
| 79 | * Not instantiable | |
| 80 | */ | |
| 81 | 0 | private Help() |
| 82 | { | |
| 83 | ||
| 84 | } | |
| 85 | ||
| 86 | /** | |
| 87 | * Shows the help window, at the entry specified by the given helpId | |
| 88 | * | |
| 89 | * @param id | |
| 90 | * | |
| 91 | * @throws HelpSetException | |
| 92 | */ | |
| 93 | 0 | public static void showHelpWindow(HelpId id) throws HelpSetException |
| 94 | { | |
| 95 | 0 | if (Platform.isJS()) |
| 96 | { | |
| 97 | 0 | try |
| 98 | { | |
| 99 | 0 | BrowserLauncher.openURL(HELP_PAGE_ROOT + id.getPath()); |
| 100 | } catch (IOException e) | |
| 101 | { | |
| 102 | } | |
| 103 | } | |
| 104 | else | |
| 105 | /** | |
| 106 | * Java only | |
| 107 | * | |
| 108 | * @j2sIgnore | |
| 109 | */ | |
| 110 | { | |
| 111 | ||
| 112 | 0 | ClassLoader cl = Desktop.class.getClassLoader(); |
| 113 | 0 | URL url = HelpSet.findHelpSet(cl, "help/help"); // $NON-NLS-$ |
| 114 | 0 | HelpSet hs = new HelpSet(cl, url); |
| 115 | ||
| 116 | 0 | if (hb == null) |
| 117 | { | |
| 118 | /* | |
| 119 | * create help broker first time (only) | |
| 120 | */ | |
| 121 | 0 | hb = hs.createHelpBroker(); |
| 122 | } | |
| 123 | ||
| 124 | 0 | try |
| 125 | { | |
| 126 | 0 | hb.setCurrentID(id.getId()); |
| 127 | } catch (BadIDException bad) | |
| 128 | { | |
| 129 | 0 | System.out.println("Bad help link: " + id.getId() |
| 130 | + ": must match a target in help.jhm"); | |
| 131 | 0 | throw bad; |
| 132 | } | |
| 133 | ||
| 134 | /* | |
| 135 | * set Help visible - at its current location if it is already shown, | |
| 136 | * else at a location as determined by the window manager | |
| 137 | */ | |
| 138 | 0 | Point p = hb.getLocation(); |
| 139 | 0 | hb.setLocation(p); |
| 140 | 0 | hb.setDisplayed(true); |
| 141 | } | |
| 142 | } | |
| 143 | ||
| 144 | /** | |
| 145 | * Show the Help window at the root entry | |
| 146 | * | |
| 147 | * @throws HelpSetException | |
| 148 | */ | |
| 149 | 0 | public static void showHelpWindow() throws HelpSetException |
| 150 | { | |
| 151 | 0 | showHelpWindow(HelpId.Home); |
| 152 | } | |
| 153 | } |