5 import java.util.concurrent.Callable;
6 import java.util.concurrent.CompletableFuture;
7 import java.util.concurrent.ExecutionException;
8 import java.util.concurrent.ExecutorService;
9 import java.util.concurrent.Executors;
10 import java.util.concurrent.TimeUnit;
11 import java.util.concurrent.TimeoutException;
13 import javax.swing.JButton;
14 import javax.swing.JFrame;
15 import javax.swing.JOptionPane;
16 import javax.swing.JTextPane;
18 import com.formdev.flatlaf.extras.FlatDesktop;
20 import jalview.api.AlignmentViewPanel;
21 import jalview.bin.Cache;
22 import jalview.bin.Console;
23 import jalview.datamodel.AlignmentI;
24 import jalview.datamodel.SequenceI;
25 import jalview.gui.AlignFrame;
26 import jalview.gui.Desktop;
27 import jalview.gui.JvOptionPane;
28 import jalview.io.BackupFiles;
29 import jalview.project.Jalview2XML;
30 import jalview.util.MessageManager;
31 import jalview.util.Platform;
33 public class QuitHandler
35 private static final int MIN_WAIT_FOR_SAVE = 3000;
37 private static final int MAX_WAIT_FOR_SAVE = 20000;
39 private static final int NON_INTERACTIVE_WAIT_CYCLES = 2;
41 public static enum QResponse
43 NULL, QUIT, CANCEL_QUIT, FORCE_QUIT
46 private static ExecutorService executor = Executors.newFixedThreadPool(3);
48 public static QResponse setQuitHandler()
50 FlatDesktop.setQuitHandler(response -> {
51 Callable<QResponse> performQuit = () -> {
52 response.performQuit();
53 return setResponse(QResponse.QUIT);
55 Callable<QResponse> performForceQuit = () -> {
56 response.performQuit();
57 return setResponse(QResponse.FORCE_QUIT);
59 Callable<QResponse> cancelQuit = () -> {
60 response.cancelQuit();
62 setResponse(QResponse.NULL);
64 return QResponse.CANCEL_QUIT;
66 QResponse qresponse = getQuitResponse(true, performQuit,
67 performForceQuit, cancelQuit);
70 return gotQuitResponse();
73 private static QResponse gotQuitResponse = QResponse.NULL;
75 private static QResponse setResponse(QResponse qresponse)
77 gotQuitResponse = qresponse;
81 public static QResponse gotQuitResponse()
83 return gotQuitResponse;
86 public static final Callable<QResponse> defaultCancelQuit = () -> {
87 Console.debug("QuitHandler: (default) Quit action CANCELLED by user");
89 setResponse(QResponse.NULL);
91 return QResponse.CANCEL_QUIT;
94 public static final Callable<QResponse> defaultOkQuit = () -> {
95 Console.debug("QuitHandler: (default) Quit action CONFIRMED by user");
96 return setResponse(QResponse.QUIT);
99 public static final Callable<QResponse> defaultForceQuit = () -> {
100 Console.debug("QuitHandler: (default) Quit action FORCED by user");
101 // note that shutdown hook will not be run
102 Runtime.getRuntime().halt(0);
103 return setResponse(QResponse.FORCE_QUIT); // this line never reached!
106 public static QResponse getQuitResponse(boolean ui)
108 return getQuitResponse(ui, defaultOkQuit, defaultForceQuit,
112 private static boolean interactive = true;
114 public static QResponse getQuitResponse(boolean ui,
115 Callable<QResponse> okQuit, Callable<QResponse> forceQuit,
116 Callable<QResponse> cancelQuit)
118 QResponse got = gotQuitResponse();
119 if (got != QResponse.NULL && got != QResponse.CANCEL_QUIT)
121 // quit has already been selected, continue with calling quit method
125 interactive = ui && !Platform.isHeadless();
126 // confirm quit if needed and wanted
127 boolean confirmQuit = true;
131 Console.debug("Non interactive quit -- not confirming");
134 else if (Jalview2XML.allSavedUpToDate())
136 Console.debug("Nothing changed -- not confirming quit");
141 confirmQuit = jalview.bin.Cache
142 .getDefault(jalview.gui.Desktop.CONFIRM_KEYBOARD_QUIT, true);
143 Console.debug("Jalview property '"
144 + jalview.gui.Desktop.CONFIRM_KEYBOARD_QUIT
145 + "' is/defaults to " + confirmQuit + " -- "
146 + (confirmQuit ? "" : "not ") + "confirming quit");
148 got = confirmQuit ? QResponse.NULL : QResponse.QUIT;
153 JvOptionPane.newOptionDialog()
154 .setResponseHandler(JOptionPane.YES_OPTION, defaultOkQuit)
155 .setResponseHandler(JOptionPane.NO_OPTION, defaultCancelQuit)
156 .showDialogOnTopAsync(
157 new StringBuilder(MessageManager
158 .getString("label.quit_jalview"))
160 .append(MessageManager.getString(
161 "label.unsaved_changes"))
163 MessageManager.getString("action.quit"),
164 JOptionPane.YES_NO_OPTION,
165 JOptionPane.QUESTION_MESSAGE, null, new Object[]
166 { MessageManager.getString("action.quit"),
167 MessageManager.getString("action.cancel") },
168 MessageManager.getString("action.quit"), true);
171 got = gotQuitResponse();
172 boolean wait = false;
173 if (got == QResponse.CANCEL_QUIT)
176 setResponse(QResponse.NULL);
178 return QResponse.CANCEL_QUIT;
180 else if (got == QResponse.QUIT)
182 if (Cache.getDefault("WAIT_FOR_SAVE", true)
183 && BackupFiles.hasSavesInProgress())
185 QResponse waitResponse = waitQuit(interactive, okQuit, forceQuit,
187 wait = waitResponse == QResponse.QUIT;
191 Callable<QResponse> next = null;
192 switch (gotQuitResponse())
197 case FORCE_QUIT: // not actually an option at this stage
206 got = executor.submit(next).get();
207 } catch (InterruptedException | ExecutionException e)
210 .debug("Exception during quit handling (final choice)", e);
214 return gotQuitResponse();
217 private static QResponse waitQuit(boolean interactive,
218 Callable<QResponse> okQuit, Callable<QResponse> forceQuit,
219 Callable<QResponse> cancelQuit)
221 // check for saves in progress
222 if (!BackupFiles.hasSavesInProgress())
223 return QResponse.QUIT;
226 AlignFrame[] afArray = Desktop.getAlignFrames();
227 if (!(afArray == null || afArray.length == 0))
229 for (int i = 0; i < afArray.length; i++)
231 AlignFrame af = afArray[i];
232 List<? extends AlignmentViewPanel> avpList = af.getAlignPanels();
233 for (AlignmentViewPanel avp : avpList)
235 AlignmentI a = avp.getAlignment();
236 List<SequenceI> sList = a.getSequences();
237 for (SequenceI s : sList)
239 size += s.getLength();
244 int waitTime = Math.min(MAX_WAIT_FOR_SAVE,
245 Math.max(MIN_WAIT_FOR_SAVE, size / 2));
246 Console.debug("Set waitForSave to " + waitTime);
247 QResponse waitResponse = QResponse.NULL;
250 boolean doIterations = true; // note iterations not used in the gui now,
251 // only one pass without the "Wait" button
252 while (doIterations && BackupFiles.hasSavesInProgress()
253 && iteration++ < (interactive ? 100 : 5))
255 // future that returns a Boolean when all files are saved
256 CompletableFuture<Boolean> filesAllSaved = new CompletableFuture<>();
258 // callback as each file finishes saving
259 for (CompletableFuture<Boolean> cf : BackupFiles
260 .savesInProgressCompletableFutures(false))
262 // if this is the last one then complete filesAllSaved
263 cf.whenComplete((ret, e) -> {
264 if (!BackupFiles.hasSavesInProgress())
266 filesAllSaved.complete(true);
272 filesAllSaved.get(waitTime, TimeUnit.MILLISECONDS);
273 } catch (InterruptedException | ExecutionException e1)
276 "Exception whilst waiting for files to save before quit",
278 } catch (TimeoutException e2)
280 // this Exception to be expected
283 if (interactive && BackupFiles.hasSavesInProgress())
285 boolean showForceQuit = iteration > 0; // iteration > 1 to not show
286 // force quit the first time
287 JFrame parent = new JFrame();
288 JButton[] buttons = { new JButton(), new JButton() };
289 JvOptionPane waitDialog = JvOptionPane.newOptionDialog();
290 JTextPane messagePane = new JTextPane();
291 messagePane.setBackground(waitDialog.getBackground());
292 messagePane.setBorder(null);
293 messagePane.setText(waitingForSaveMessage());
294 // callback as each file finishes saving
295 for (CompletableFuture<Boolean> cf : BackupFiles
296 .savesInProgressCompletableFutures(false))
298 cf.whenComplete((ret, e) -> {
299 if (BackupFiles.hasSavesInProgress())
301 // update the list of saving files as they save too
302 messagePane.setText(waitingForSaveMessage());
306 if (!(QuitHandler.gotQuitResponse() == QResponse.CANCEL_QUIT
307 || QuitHandler.gotQuitResponse() == QResponse.NULL))
309 for (int i = 0; i < buttons.length; i++)
311 Console.debug("DISABLING BUTTON " + buttons[i].getText());
312 buttons[i].setEnabled(false);
313 buttons[i].setVisible(false);
315 // if this is the last one then close the dialog
316 messagePane.setText(new StringBuilder()
317 .append(MessageManager.getString("label.all_saved"))
319 .append(MessageManager
320 .getString("label.quitting_bye"))
322 messagePane.setEditable(false);
326 } catch (InterruptedException e1)
339 options = new String[2];
340 options[0] = MessageManager.getString("action.force_quit");
341 options[1] = MessageManager.getString("action.cancel_quit");
342 dialogType = JOptionPane.YES_NO_OPTION;
343 waitDialog.setResponseHandler(JOptionPane.YES_OPTION, forceQuit)
344 .setResponseHandler(JOptionPane.NO_OPTION, cancelQuit);
348 options = new String[1];
349 options[0] = MessageManager.getString("action.cancel_quit");
350 dialogType = JOptionPane.YES_OPTION;
351 waitDialog.setResponseHandler(JOptionPane.YES_OPTION, cancelQuit);
353 waitDialog.showDialogOnTopAsync(parent, messagePane,
354 MessageManager.getString("label.wait_for_save"), dialogType,
355 JOptionPane.WARNING_MESSAGE, null, options,
356 MessageManager.getString("action.cancel_quit"), true,
360 final QResponse thisWaitResponse = gotQuitResponse();
361 switch (thisWaitResponse)
363 case QUIT: // wait -- do another iteration
366 doIterations = false;
369 doIterations = false;
371 case NULL: // already cancelled
372 doIterations = false;
376 } // end if interactive
378 } // end while wait iteration loop
379 waitResponse = gotQuitResponse();
384 private static String waitingForSaveMessage()
386 StringBuilder messageSB = new StringBuilder();
388 messageSB.append(MessageManager.getString("label.save_in_progress"));
389 List<File> files = BackupFiles.savesInProgressFiles(false);
390 boolean any = files.size() > 0;
393 for (File file : files)
395 messageSB.append("\n\u2022 ").append(file.getName());
400 messageSB.append(MessageManager.getString("label.unknown"));
402 messageSB.append("\n\n")
403 .append(MessageManager.getString("label.quit_after_saving"));
404 return messageSB.toString();