source: josm/trunk/src/org/openstreetmap/josm/gui/preferences/plugin/PluginPreference.java@ 17784

Last change on this file since 17784 was 17784, checked in by simon04, 3 years ago

fix #20720 - Filtering in plugins list in preferences is slow (patch by ygramul)
  • Property svn:eol-style set to native
File size: 25.9 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.preferences.plugin;
3
4import static java.awt.GridBagConstraints.HORIZONTAL;
5import static org.openstreetmap.josm.tools.I18n.tr;
6import static org.openstreetmap.josm.tools.I18n.trc;
7import static org.openstreetmap.josm.tools.I18n.trn;
8
9import java.awt.BorderLayout;
10import java.awt.Component;
11import java.awt.GridBagLayout;
12import java.awt.GridLayout;
13import java.awt.event.ActionEvent;
14import java.awt.event.ComponentAdapter;
15import java.awt.event.ComponentEvent;
16import java.lang.reflect.InvocationTargetException;
17import java.util.ArrayList;
18import java.util.Collection;
19import java.util.Collections;
20import java.util.LinkedList;
21import java.util.List;
22import java.util.Set;
23import java.util.regex.Pattern;
24import java.util.stream.Collectors;
25import java.util.stream.IntStream;
26
27import javax.swing.AbstractAction;
28import javax.swing.ButtonGroup;
29import javax.swing.DefaultListModel;
30import javax.swing.JButton;
31import javax.swing.JCheckBox;
32import javax.swing.JLabel;
33import javax.swing.JList;
34import javax.swing.JOptionPane;
35import javax.swing.JPanel;
36import javax.swing.JRadioButton;
37import javax.swing.JScrollPane;
38import javax.swing.JTabbedPane;
39import javax.swing.JTextArea;
40import javax.swing.SwingUtilities;
41import javax.swing.UIManager;
42
43import org.openstreetmap.josm.actions.ExpertToggleAction;
44import org.openstreetmap.josm.data.Preferences;
45import org.openstreetmap.josm.data.Version;
46import org.openstreetmap.josm.gui.HelpAwareOptionPane;
47import org.openstreetmap.josm.gui.HelpAwareOptionPane.ButtonSpec;
48import org.openstreetmap.josm.gui.MainApplication;
49import org.openstreetmap.josm.gui.help.HelpUtil;
50import org.openstreetmap.josm.gui.preferences.ExtensibleTabPreferenceSetting;
51import org.openstreetmap.josm.gui.preferences.PreferenceSetting;
52import org.openstreetmap.josm.gui.preferences.PreferenceSettingFactory;
53import org.openstreetmap.josm.gui.preferences.PreferenceTabbedPane;
54import org.openstreetmap.josm.gui.util.GuiHelper;
55import org.openstreetmap.josm.gui.widgets.FilterField;
56import org.openstreetmap.josm.plugins.PluginDownloadTask;
57import org.openstreetmap.josm.plugins.PluginHandler;
58import org.openstreetmap.josm.plugins.PluginInformation;
59import org.openstreetmap.josm.plugins.ReadLocalPluginInformationTask;
60import org.openstreetmap.josm.plugins.ReadRemotePluginInformationTask;
61import org.openstreetmap.josm.spi.preferences.Config;
62import org.openstreetmap.josm.tools.GBC;
63import org.openstreetmap.josm.tools.ImageProvider;
64import org.openstreetmap.josm.tools.Logging;
65
66/**
67 * Preference settings for plugins.
68 * @since 168
69 */
70public final class PluginPreference extends ExtensibleTabPreferenceSetting {
71
72 /**
73 * Factory used to create a new {@code PluginPreference}.
74 */
75 public static class Factory implements PreferenceSettingFactory {
76 @Override
77 public PreferenceSetting createPreferenceSetting() {
78 return new PluginPreference();
79 }
80 }
81
82 private PluginListPanel pnlPluginPreferences;
83 private PluginPreferencesModel model;
84 private JScrollPane spPluginPreferences;
85 private PluginUpdatePolicyPanel pnlPluginUpdatePolicy;
86
87 /**
88 * is set to true if this preference pane has been selected by the user
89 */
90 private boolean pluginPreferencesActivated;
91
92 private PluginPreference() {
93 super(/* ICON(preferences/) */ "plugin", tr("Plugins"), tr("Configure available plugins."), false);
94 }
95
96 /**
97 * Returns the download summary string to be shown.
98 * @param task The plugin download task that has completed
99 * @return the download summary string to be shown. Contains summary of success/failed plugins.
100 */
101 public static String buildDownloadSummary(PluginDownloadTask task) {
102 Collection<PluginInformation> downloaded = task.getDownloadedPlugins();
103 Collection<PluginInformation> failed = task.getFailedPlugins();
104 Exception exception = task.getLastException();
105 StringBuilder sb = new StringBuilder();
106 if (!downloaded.isEmpty()) {
107 sb.append(trn(
108 "The following plugin has been downloaded <strong>successfully</strong>:",
109 "The following {0} plugins have been downloaded <strong>successfully</strong>:",
110 downloaded.size(),
111 downloaded.size()
112 ));
113 sb.append("<ul>");
114 for (PluginInformation pi: downloaded) {
115 sb.append("<li>").append(pi.name).append(" (").append(pi.version).append(")</li>");
116 }
117 sb.append("</ul>");
118 }
119 if (!failed.isEmpty()) {
120 sb.append(trn(
121 "Downloading the following plugin has <strong>failed</strong>:",
122 "Downloading the following {0} plugins has <strong>failed</strong>:",
123 failed.size(),
124 failed.size()
125 ));
126 sb.append("<ul>");
127 for (PluginInformation pi: failed) {
128 sb.append("<li>").append(pi.name).append("</li>");
129 }
130 sb.append("</ul>");
131 }
132 if (exception != null) {
133 // Same i18n string in ExceptionUtil.explainBadRequest()
134 sb.append(tr("<br>Error message(untranslated): {0}", exception.getMessage()));
135 }
136 return sb.toString();
137 }
138
139 /**
140 * Notifies user about result of a finished plugin download task.
141 * @param parent The parent component
142 * @param task The finished plugin download task
143 * @param restartRequired true if a restart is required
144 * @since 6797
145 */
146 public static void notifyDownloadResults(final Component parent, PluginDownloadTask task, boolean restartRequired) {
147 final Collection<PluginInformation> failed = task.getFailedPlugins();
148 final StringBuilder sb = new StringBuilder();
149 sb.append("<html>")
150 .append(buildDownloadSummary(task));
151 if (restartRequired) {
152 sb.append(tr("Please restart JOSM to activate the downloaded plugins."));
153 }
154 sb.append("</html>");
155 GuiHelper.runInEDTAndWait(() -> HelpAwareOptionPane.showOptionDialog(
156 parent,
157 sb.toString(),
158 tr("Update plugins"),
159 !failed.isEmpty() ? JOptionPane.WARNING_MESSAGE : JOptionPane.INFORMATION_MESSAGE,
160 HelpUtil.ht("/Preferences/Plugins")
161 ));
162 }
163
164 private JPanel buildSearchFieldPanel() {
165 JPanel pnl = new JPanel(new GridBagLayout());
166 pnl.add(GBC.glue(0, 0));
167
168 ButtonGroup bg = new ButtonGroup();
169 JPanel radios = new JPanel();
170 addRadioButton(bg, radios, new JRadioButton(trc("plugins", "All"), true), PluginInstallation.ALL);
171 addRadioButton(bg, radios, new JRadioButton(trc("plugins", "Installed")), PluginInstallation.INSTALLED);
172 addRadioButton(bg, radios, new JRadioButton(trc("plugins", "Available")), PluginInstallation.AVAILABLE);
173 pnl.add(radios, GBC.eol().fill(HORIZONTAL));
174
175 pnl.add(new FilterField().filter(expr -> {
176 model.filterDisplayedPlugins(expr);
177 pnlPluginPreferences.refreshView();
178 }), GBC.eol().insets(0, 0, 0, 5).fill(HORIZONTAL));
179 return pnl;
180 }
181
182 private void addRadioButton(ButtonGroup bg, JPanel pnl, JRadioButton rb, PluginInstallation value) {
183 bg.add(rb);
184 pnl.add(rb, GBC.std());
185 rb.addActionListener(e -> {
186 model.filterDisplayedPlugins(value);
187 pnlPluginPreferences.refreshView();
188 });
189 }
190
191 private static Component addButton(JPanel pnl, JButton button, String buttonName) {
192 button.setName(buttonName);
193 return pnl.add(button);
194 }
195
196 private JPanel buildActionPanel() {
197 JPanel pnl = new JPanel(new GridLayout(1, 4));
198
199 // assign some component names to these as we go to aid testing
200 addButton(pnl, new JButton(new DownloadAvailablePluginsAction()), "downloadListButton");
201 addButton(pnl, new JButton(new UpdateSelectedPluginsAction()), "updatePluginsButton");
202 ExpertToggleAction.addVisibilitySwitcher(addButton(pnl, new JButton(new SelectByListAction()), "loadFromListButton"));
203 ExpertToggleAction.addVisibilitySwitcher(addButton(pnl, new JButton(new ConfigureSitesAction()), "configureSitesButton"));
204 return pnl;
205 }
206
207 private JPanel buildPluginListPanel() {
208 JPanel pnl = new JPanel(new BorderLayout());
209 pnl.add(buildSearchFieldPanel(), BorderLayout.NORTH);
210 model = new PluginPreferencesModel();
211 pnlPluginPreferences = new PluginListPanel(model);
212 spPluginPreferences = GuiHelper.embedInVerticalScrollPane(pnlPluginPreferences);
213 spPluginPreferences.getVerticalScrollBar().addComponentListener(
214 new ComponentAdapter() {
215 @Override
216 public void componentShown(ComponentEvent e) {
217 spPluginPreferences.setBorder(UIManager.getBorder("ScrollPane.border"));
218 }
219
220 @Override
221 public void componentHidden(ComponentEvent e) {
222 spPluginPreferences.setBorder(null);
223 }
224 }
225 );
226
227 pnl.add(spPluginPreferences, BorderLayout.CENTER);
228 pnl.add(buildActionPanel(), BorderLayout.SOUTH);
229 return pnl;
230 }
231
232 @Override
233 public void addGui(final PreferenceTabbedPane gui) {
234 JTabbedPane pane = getTabPane();
235 pnlPluginUpdatePolicy = new PluginUpdatePolicyPanel();
236 pane.addTab(tr("Plugins"), buildPluginListPanel());
237 pane.addTab(tr("Plugin update policy"), pnlPluginUpdatePolicy);
238 super.addGui(gui);
239 readLocalPluginInformation();
240 pluginPreferencesActivated = true;
241 }
242
243 private void configureSites() {
244 ButtonSpec[] options = {
245 new ButtonSpec(
246 tr("OK"),
247 new ImageProvider("ok"),
248 tr("Accept the new plugin sites and close the dialog"),
249 null /* no special help topic */
250 ),
251 new ButtonSpec(
252 tr("Cancel"),
253 new ImageProvider("cancel"),
254 tr("Close the dialog"),
255 null /* no special help topic */
256 )
257 };
258 PluginConfigurationSitesPanel pnl = new PluginConfigurationSitesPanel();
259
260 int answer = HelpAwareOptionPane.showOptionDialog(
261 pnlPluginPreferences,
262 pnl,
263 tr("Configure Plugin Sites"),
264 JOptionPane.QUESTION_MESSAGE,
265 null,
266 options,
267 options[0],
268 null /* no help topic */
269 );
270 if (answer != 0 /* OK */)
271 return;
272 Preferences.main().setPluginSites(pnl.getUpdateSites());
273 }
274
275 /**
276 * Replies the set of plugins waiting for update or download
277 *
278 * @return the set of plugins waiting for update or download
279 */
280 public Set<PluginInformation> getPluginsScheduledForUpdateOrDownload() {
281 return model != null ? model.getPluginsScheduledForUpdateOrDownload() : null;
282 }
283
284 /**
285 * Replies the list of plugins which have been added by the user to the set of activated plugins
286 *
287 * @return the list of newly activated plugins
288 */
289 public List<PluginInformation> getNewlyActivatedPlugins() {
290 return model != null ? model.getNewlyActivatedPlugins() : null;
291 }
292
293 @Override
294 public boolean ok() {
295 if (!pluginPreferencesActivated)
296 return false;
297 pnlPluginUpdatePolicy.rememberInPreferences();
298 if (model.isActivePluginsChanged()) {
299 List<String> l = new LinkedList<>(model.getSelectedPluginNames());
300 Collections.sort(l);
301 Config.getPref().putList("plugins", l);
302 List<PluginInformation> deactivatedPlugins = model.getNewlyDeactivatedPlugins();
303 if (!deactivatedPlugins.isEmpty()) {
304 boolean requiresRestart = PluginHandler.removePlugins(deactivatedPlugins);
305 if (requiresRestart)
306 return requiresRestart;
307 }
308 return model.getNewlyActivatedPlugins().stream().anyMatch(pi -> !pi.canloadatruntime);
309 }
310 return false;
311 }
312
313 /**
314 * Reads locally available information about plugins from the local file system.
315 * Scans cached plugin lists from plugin download sites and locally available
316 * plugin jar files.
317 *
318 */
319 public void readLocalPluginInformation() {
320 final ReadLocalPluginInformationTask task = new ReadLocalPluginInformationTask();
321 Runnable r = () -> {
322 if (!task.isCanceled()) {
323 SwingUtilities.invokeLater(() -> {
324 model.setAvailablePlugins(task.getAvailablePlugins());
325 pnlPluginPreferences.resetDisplayedComponents();
326 pnlPluginPreferences.refreshView();
327 });
328 }
329 };
330 MainApplication.worker.submit(task);
331 MainApplication.worker.submit(r);
332 }
333
334 /**
335 * The action for downloading the list of available plugins
336 */
337 class DownloadAvailablePluginsAction extends AbstractAction {
338
339 /**
340 * Constructs a new {@code DownloadAvailablePluginsAction}.
341 */
342 DownloadAvailablePluginsAction() {
343 putValue(NAME, tr("Download list"));
344 putValue(SHORT_DESCRIPTION, tr("Download the list of available plugins"));
345 new ImageProvider("download").getResource().attachImageIcon(this);
346 }
347
348 @Override
349 public void actionPerformed(ActionEvent e) {
350 Collection<String> pluginSites = Preferences.main().getOnlinePluginSites();
351 if (pluginSites.isEmpty()) {
352 return;
353 }
354 final ReadRemotePluginInformationTask task = new ReadRemotePluginInformationTask(pluginSites);
355 Runnable continuation = () -> {
356 if (!task.isCanceled()) {
357 SwingUtilities.invokeLater(() -> {
358 model.updateAvailablePlugins(task.getAvailablePlugins());
359 pnlPluginPreferences.resetDisplayedComponents();
360 pnlPluginPreferences.refreshView();
361 Config.getPref().putInt("pluginmanager.version", Version.getInstance().getVersion()); // fix #7030
362 });
363 }
364 };
365 MainApplication.worker.submit(task);
366 MainApplication.worker.submit(continuation);
367 }
368 }
369
370 /**
371 * The action for updating the list of selected plugins
372 */
373 class UpdateSelectedPluginsAction extends AbstractAction {
374 UpdateSelectedPluginsAction() {
375 putValue(NAME, tr("Update plugins"));
376 putValue(SHORT_DESCRIPTION, tr("Update the selected plugins"));
377 new ImageProvider("dialogs", "refresh").getResource().attachImageIcon(this);
378 }
379
380 protected void alertNothingToUpdate() {
381 try {
382 SwingUtilities.invokeAndWait(() -> HelpAwareOptionPane.showOptionDialog(
383 pnlPluginPreferences,
384 tr("All installed plugins are up to date. JOSM does not have to download newer versions."),
385 tr("Plugins up to date"),
386 JOptionPane.INFORMATION_MESSAGE,
387 null // FIXME: provide help context
388 ));
389 } catch (InterruptedException | InvocationTargetException e) {
390 Logging.error(e);
391 }
392 }
393
394 @Override
395 public void actionPerformed(ActionEvent e) {
396 final List<PluginInformation> toUpdate = model.getSelectedPlugins();
397 // the async task for downloading plugins
398 final PluginDownloadTask pluginDownloadTask = new PluginDownloadTask(
399 pnlPluginPreferences,
400 toUpdate,
401 tr("Update plugins")
402 );
403 // the async task for downloading plugin information
404 final ReadRemotePluginInformationTask pluginInfoDownloadTask = new ReadRemotePluginInformationTask(
405 Preferences.main().getOnlinePluginSites());
406
407 // to be run asynchronously after the plugin download
408 //
409 final Runnable pluginDownloadContinuation = () -> {
410 if (pluginDownloadTask.isCanceled())
411 return;
412 boolean restartRequired = pluginDownloadTask.getDownloadedPlugins().stream()
413 .anyMatch(pi -> !(model.getNewlyActivatedPlugins().contains(pi) && pi.canloadatruntime));
414 notifyDownloadResults(pnlPluginPreferences, pluginDownloadTask, restartRequired);
415 model.refreshLocalPluginVersion(pluginDownloadTask.getDownloadedPlugins());
416 model.clearPendingPlugins(pluginDownloadTask.getDownloadedPlugins());
417 GuiHelper.runInEDT(pnlPluginPreferences::refreshView);
418 };
419
420 // to be run asynchronously after the plugin list download
421 //
422 final Runnable pluginInfoDownloadContinuation = () -> {
423 if (pluginInfoDownloadTask.isCanceled())
424 return;
425 model.updateAvailablePlugins(pluginInfoDownloadTask.getAvailablePlugins());
426 // select plugins which actually have to be updated
427 //
428 toUpdate.removeIf(pi -> !pi.isUpdateRequired());
429 if (toUpdate.isEmpty()) {
430 alertNothingToUpdate();
431 return;
432 }
433 pluginDownloadTask.setPluginsToDownload(toUpdate);
434 MainApplication.worker.submit(pluginDownloadTask);
435 MainApplication.worker.submit(pluginDownloadContinuation);
436 };
437
438 MainApplication.worker.submit(pluginInfoDownloadTask);
439 MainApplication.worker.submit(pluginInfoDownloadContinuation);
440 }
441 }
442
443 /**
444 * The action for configuring the plugin download sites
445 *
446 */
447 class ConfigureSitesAction extends AbstractAction {
448 ConfigureSitesAction() {
449 putValue(NAME, tr("Configure sites..."));
450 putValue(SHORT_DESCRIPTION, tr("Configure the list of sites where plugins are downloaded from"));
451 new ImageProvider("preference").getResource().attachImageIcon(this);
452 }
453
454 @Override
455 public void actionPerformed(ActionEvent e) {
456 configureSites();
457 }
458 }
459
460 /**
461 * The action for selecting the plugins given by a text file compatible to JOSM bug report.
462 * @author Michael Zangl
463 */
464 class SelectByListAction extends AbstractAction {
465 SelectByListAction() {
466 putValue(NAME, tr("Load from list..."));
467 putValue(SHORT_DESCRIPTION, tr("Load plugins from a list of plugins"));
468 new ImageProvider("misc/statusreport").getResource().attachImageIcon(this);
469 }
470
471 @Override
472 public void actionPerformed(ActionEvent e) {
473 JTextArea textField = new JTextArea(10, 0);
474 JCheckBox deleteNotInList = new JCheckBox(tr("Disable all other plugins"));
475
476 JLabel helpLabel = new JLabel("<html>" + String.join("<br/>",
477 tr("Enter a list of plugins you want to download."),
478 tr("You should add one plugin id per line, version information is ignored."),
479 tr("You can copy+paste the list of a status report here.")) + "</html>");
480
481 if (JOptionPane.OK_OPTION == JOptionPane.showConfirmDialog(GuiHelper.getFrameForComponent(getTabPane()),
482 new Object[] {helpLabel, new JScrollPane(textField), deleteNotInList},
483 tr("Load plugins from list"), JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE)) {
484 activatePlugins(textField, deleteNotInList.isSelected());
485 }
486 }
487
488 private void activatePlugins(JTextArea textField, boolean deleteNotInList) {
489 String[] lines = textField.getText().split("\n", -1);
490 List<String> toActivate = new ArrayList<>();
491 List<String> notFound = new ArrayList<>();
492 // This pattern matches the default list format JOSM uses for bug reports.
493 // It removes a list item mark at the beginning of the line: +, -, *
494 // It removes the version number after the plugin, like: 123, (123), (v5.7alpha3), (1b3), (v1-SNAPSHOT-1)...
495 Pattern regex = Pattern.compile("^[-+\\*\\s]*|\\s[\\d\\s]*(\\([^\\(\\)\\[\\]]*\\))?[\\d\\s]*$");
496 for (String line : lines) {
497 String name = regex.matcher(line).replaceAll("");
498 if (name.isEmpty()) {
499 continue;
500 }
501 PluginInformation plugin = model.getPluginInformation(name);
502 if (plugin == null) {
503 notFound.add(name);
504 } else {
505 toActivate.add(name);
506 }
507 }
508
509 if (notFound.isEmpty() || confirmIgnoreNotFound(notFound)) {
510 activatePlugins(toActivate, deleteNotInList);
511 }
512 }
513
514 private void activatePlugins(List<String> toActivate, boolean deleteNotInList) {
515 if (deleteNotInList) {
516 for (String name : model.getSelectedPluginNames()) {
517 if (!toActivate.contains(name)) {
518 model.setPluginSelected(name, false);
519 }
520 }
521 }
522 for (String name : toActivate) {
523 model.setPluginSelected(name, true);
524 }
525 pnlPluginPreferences.refreshView();
526 }
527
528 private boolean confirmIgnoreNotFound(List<String> notFound) {
529 String list = "<ul><li>" + String.join("</li><li>", notFound) + "</li></ul>";
530 String message = "<html>" + tr("The following plugins were not found. Continue anyway?") + list + "</html>";
531 return JOptionPane.showConfirmDialog(GuiHelper.getFrameForComponent(getTabPane()),
532 message) == JOptionPane.OK_OPTION;
533 }
534 }
535
536 private static class PluginConfigurationSitesPanel extends JPanel {
537
538 private final DefaultListModel<String> model = new DefaultListModel<>();
539
540 PluginConfigurationSitesPanel() {
541 super(new GridBagLayout());
542 add(new JLabel(tr("Add JOSM Plugin description URL.")), GBC.eol());
543 for (String s : Preferences.main().getPluginSites()) {
544 model.addElement(s);
545 }
546 final JList<String> list = new JList<>(model);
547 add(new JScrollPane(list), GBC.std().fill());
548 JPanel buttons = new JPanel(new GridBagLayout());
549 buttons.add(new JButton(new AbstractAction(tr("Add")) {
550 @Override
551 public void actionPerformed(ActionEvent e) {
552 String s = JOptionPane.showInputDialog(
553 GuiHelper.getFrameForComponent(PluginConfigurationSitesPanel.this),
554 tr("Add JOSM Plugin description URL."),
555 tr("Enter URL"),
556 JOptionPane.QUESTION_MESSAGE
557 );
558 if (s != null && !s.isEmpty()) {
559 model.addElement(s);
560 }
561 }
562 }), GBC.eol().fill(HORIZONTAL));
563 buttons.add(new JButton(new AbstractAction(tr("Edit")) {
564 @Override
565 public void actionPerformed(ActionEvent e) {
566 if (list.getSelectedValue() == null) {
567 JOptionPane.showMessageDialog(
568 GuiHelper.getFrameForComponent(PluginConfigurationSitesPanel.this),
569 tr("Please select an entry."),
570 tr("Warning"),
571 JOptionPane.WARNING_MESSAGE
572 );
573 return;
574 }
575 String s = (String) JOptionPane.showInputDialog(
576 MainApplication.getMainFrame(),
577 tr("Edit JOSM Plugin description URL."),
578 tr("JOSM Plugin description URL"),
579 JOptionPane.QUESTION_MESSAGE,
580 null,
581 null,
582 list.getSelectedValue()
583 );
584 if (s != null && !s.isEmpty()) {
585 model.setElementAt(s, list.getSelectedIndex());
586 }
587 }
588 }), GBC.eol().fill(HORIZONTAL));
589 buttons.add(new JButton(new AbstractAction(tr("Delete")) {
590 @Override
591 public void actionPerformed(ActionEvent event) {
592 if (list.getSelectedValue() == null) {
593 JOptionPane.showMessageDialog(
594 GuiHelper.getFrameForComponent(PluginConfigurationSitesPanel.this),
595 tr("Please select an entry."),
596 tr("Warning"),
597 JOptionPane.WARNING_MESSAGE
598 );
599 return;
600 }
601 model.removeElement(list.getSelectedValue());
602 }
603 }), GBC.eol().fill(HORIZONTAL));
604 add(buttons, GBC.eol());
605 }
606
607 protected List<String> getUpdateSites() {
608 if (model.getSize() == 0)
609 return Collections.emptyList();
610 return IntStream.range(0, model.getSize())
611 .mapToObj(model::get)
612 .collect(Collectors.toList());
613 }
614 }
615
616 @Override
617 public String getHelpContext() {
618 return HelpUtil.ht("/Preferences/Plugins");
619 }
620}
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