src/be/nikiroo/fanfix/reader/ui/GuiReaderMainPanel.java

   1 package be.nikiroo.fanfix.reader.ui;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Color;
   5 import java.awt.Component;
   6 import java.awt.EventQueue;
   7 import java.awt.Frame;
   8 import java.awt.Toolkit;
   9 import java.awt.datatransfer.DataFlavor;
  10 import java.awt.event.ActionEvent;
  11 import java.awt.event.ActionListener;
  12 import java.awt.event.FocusAdapter;
  13 import java.awt.event.FocusEvent;
  14 import java.io.File;
  15 import java.io.IOException;
  16 import java.lang.reflect.InvocationTargetException;
  17 import java.net.URL;
  18 import java.net.UnknownHostException;
  19 import java.util.ArrayList;
  20 import java.util.List;
  21 import java.util.Map;
  22 import java.util.TreeMap;
  23
  24 import javax.swing.BoxLayout;
  25 import javax.swing.JFileChooser;
  26 import javax.swing.JLabel;
  27 import javax.swing.JMenuBar;
  28 import javax.swing.JOptionPane;
  29 import javax.swing.JPanel;
  30 import javax.swing.JPopupMenu;
  31 import javax.swing.JScrollPane;
  32 import javax.swing.SwingConstants;
  33 import javax.swing.SwingUtilities;
  34
  35 import be.nikiroo.fanfix.Instance;
  36 import be.nikiroo.fanfix.bundles.StringIdGui;
  37 import be.nikiroo.fanfix.bundles.UiConfig;
  38 import be.nikiroo.fanfix.data.MetaData;
  39 import be.nikiroo.fanfix.data.Story;
  40 import be.nikiroo.fanfix.library.BasicLibrary;
  41 import be.nikiroo.fanfix.library.BasicLibrary.Status;
  42 import be.nikiroo.fanfix.library.LocalLibrary;
  43 import be.nikiroo.fanfix.reader.BasicReader;
  44 import be.nikiroo.fanfix.reader.ui.GuiReaderBook.BookActionListener;
  45 import be.nikiroo.utils.Progress;
  46 import be.nikiroo.utils.ui.ProgressBar;
  47
  48 /**
  49  * A {@link Frame} that will show a {@link GuiReaderBook} item for each
  50  * {@link Story} in the main cache ({@link Instance#getCache()}), and offer a
  51  * way to copy them to the {@link GuiReader} cache (
  52  * {@link BasicReader#getLibrary()}), read them, delete them...
  53  *
  54  * @author niki
  55  */
  56 class GuiReaderMainPanel extends JPanel {
  57         private static final long serialVersionUID = 1L;
  58         private FrameHelper helper;
  59         private Map<String, GuiReaderGroup> books;
  60         private GuiReaderGroup bookPane; // for more "All"
  61         private JPanel pane;
  62         private Color color;
  63         private ProgressBar pgBar;
  64         private JMenuBar bar;
  65         private GuiReaderBook selectedBook;
  66         private boolean words; // words or authors (secondary info on books)
  67         private boolean currentType; // type/source or author mode (All and Listing)
  68
  69         /**
  70          * An object that offers some helper methods to access the frame that host
  71          * it and the Fanfix-related functions.
  72          *
  73          * @author niki
  74          */
  75         public interface FrameHelper {
  76                 /**
  77                  * Return the reader associated to this {@link FrameHelper}.
  78                  *
  79                  * @return the reader
  80                  */
  81                 public GuiReader getReader();
  82
  83                 /**
  84                  * Create the main menu bar.
  85                  * <p>
  86                  * Will invalidate the layout.
  87                  *
  88                  * @param status
  89                  *            the library status, <b>must not</b> be NULL
  90                  */
  91                 public void createMenu(Status status);
  92
  93                 /**
  94                  * Create a popup menu for a {@link GuiReaderBook} that represents a
  95                  * story.
  96                  *
  97                  * @return the popup menu to display
  98                  */
  99                 public JPopupMenu createBookPopup();
 100
 101                 /**
 102                  * Create a popup menu for a {@link GuiReaderBook} that represents a
 103                  * source/type or an author.
 104                  *
 105                  * @return the popup menu to display
 106                  */
 107                 public JPopupMenu createSourceAuthorPopup();
 108         }
 109
 110         /**
 111          * A {@link Runnable} with a {@link Story} parameter.
 112          *
 113          * @author niki
 114          */
 115         public interface StoryRunnable {
 116                 /**
 117                  * Run the action.
 118                  *
 119                  * @param story
 120                  *            the story
 121                  */
 122                 public void run(Story story);
 123         }
 124
 125         /**
 126          * Create a new {@link GuiReaderMainPanel}.
 127          *
 128          * @param parent
 129          *            the associated {@link FrameHelper} to forward some commands
 130          *            and access its {@link LocalLibrary}
 131          * @param type
 132          *            the type of {@link Story} to load, or NULL for all types
 133          */
 134         public GuiReaderMainPanel(FrameHelper parent, String type) {
 135                 super(new BorderLayout(), true);
 136
 137                 this.helper = parent;
 138
 139                 pane = new JPanel();
 140                 pane.setLayout(new BoxLayout(pane, BoxLayout.PAGE_AXIS));
 141                 JScrollPane scroll = new JScrollPane(pane);
 142
 143                 Integer icolor = Instance.getUiConfig().getColor(
 144                                 UiConfig.BACKGROUND_COLOR);
 145                 if (icolor != null) {
 146                         color = new Color(icolor);
 147                         setBackground(color);
 148                         pane.setBackground(color);
 149                         scroll.setBackground(color);
 150                 }
 151
 152                 scroll.getVerticalScrollBar().setUnitIncrement(16);
 153                 add(scroll, BorderLayout.CENTER);
 154
 155                 String message = parent.getReader().getLibrary().getLibraryName();
 156                 if (!message.isEmpty()) {
 157                         JLabel name = new JLabel(message, SwingConstants.CENTER);
 158                         add(name, BorderLayout.NORTH);
 159                 }
 160
 161                 pgBar = new ProgressBar();
 162                 add(pgBar, BorderLayout.SOUTH);
 163
 164                 pgBar.addActionListener(new ActionListener() {
 165                         @Override
 166                         public void actionPerformed(ActionEvent e) {
 167                                 pgBar.invalidate();
 168                                 pgBar.setProgress(null);
 169                                 setEnabled(true);
 170                                 validate();
 171                         }
 172                 });
 173
 174                 pgBar.addUpdateListener(new ActionListener() {
 175                         @Override
 176                         public void actionPerformed(ActionEvent e) {
 177                                 pgBar.invalidate();
 178                                 validate();
 179                                 repaint();
 180                         }
 181                 });
 182
 183                 books = new TreeMap<String, GuiReaderGroup>();
 184
 185                 addFocusListener(new FocusAdapter() {
 186                         @Override
 187                         public void focusGained(FocusEvent e) {
 188                                 focus();
 189                         }
 190                 });
 191
 192                 pane.setVisible(false);
 193                 final Progress pg = new Progress();
 194                 final String typeF = type;
 195                 outOfUi(pg, true, new Runnable() {
 196                         @Override
 197                         public void run() {
 198                                 final BasicLibrary lib = helper.getReader().getLibrary();
 199                                 final Status status = lib.getStatus();
 200
 201                                 if (status == Status.READ_WRITE) {
 202                                         lib.refresh(pg);
 203                                 }
 204
 205                                 inUi(new Runnable() {
 206                                         @Override
 207                                         public void run() {
 208                                                 if (status.isReady()) {
 209                                                         helper.createMenu(status);
 210                                                         pane.setVisible(true);
 211                                                         if (typeF == null) {
 212                                                                 try {
 213                                                                         addBookPane(true, false);
 214                                                                 } catch (IOException e) {
 215                                                                         error(e.getLocalizedMessage(),
 216                                                                                         "IOException", e);
 217                                                                 }
 218                                                         } else {
 219                                                                 addBookPane(typeF, true);
 220                                                         }
 221                                                 } else {
 222                                                         helper.createMenu(status);
 223                                                         validate();
 224
 225                                                         String desc = Instance.getTransGui().getStringX(
 226                                                                         StringIdGui.ERROR_LIB_STATUS,
 227                                                                         status.toString());
 228                                                         if (desc == null) {
 229                                                                 desc = GuiReader
 230                                                                                 .trans(StringIdGui.ERROR_LIB_STATUS);
 231                                                         }
 232
 233                                                         String err = lib.getLibraryName() + "\n" + desc;
 234                                                         error(err, GuiReader
 235                                                                         .trans(StringIdGui.TITLE_ERROR_LIBRARY),
 236                                                                         null);
 237                                                 }
 238                                         }
 239                                 });
 240                         }
 241                 });
 242         }
 243
 244         public boolean getCurrentType() {
 245                 return currentType;
 246         }
 247
 248         /**
 249          * Add a new {@link GuiReaderGroup} on the frame to display all the
 250          * sources/types or all the authors, or a listing of all the books sorted
 251          * either by source or author.
 252          * <p>
 253          * A display of all the sources/types or all the authors will show one icon
 254          * per source/type or author.
 255          * <p>
 256          * A listing of all the books sorted by source/type or author will display
 257          * all the books.
 258          *
 259          * @param type
 260          *            TRUE for type/source, FALSE for author
 261          * @param listMode
 262          *            TRUE to get a listing of all the sources or authors, FALSE to
 263          *            get one icon per source or author
 264          *
 265          * @throws IOException
 266          *             in case of I/O error
 267          */
 268         public void addBookPane(boolean type, boolean listMode) throws IOException {
 269                 this.currentType = type;
 270                 BasicLibrary lib = helper.getReader().getLibrary();
 271                 if (type) {
 272                         if (!listMode) {
 273                                 addListPane(GuiReader.trans(StringIdGui.MENU_SOURCES),
 274                                                 lib.getSources(), type);
 275                         } else {
 276                                 for (String tt : lib.getSources()) {
 277                                         if (tt != null) {
 278                                                 addBookPane(tt, type);
 279                                         }
 280                                 }
 281                         }
 282                 } else {
 283                         if (!listMode) {
 284                                 addListPane(GuiReader.trans(StringIdGui.MENU_AUTHORS),
 285                                                 lib.getAuthors(), type);
 286                         } else {
 287                                 for (String tt : lib.getAuthors()) {
 288                                         if (tt != null) {
 289                                                 addBookPane(tt, type);
 290                                         }
 291                                 }
 292                         }
 293                 }
 294         }
 295
 296         /**
 297          * Add a new {@link GuiReaderGroup} on the frame to display the books of the
 298          * selected type or author.
 299          * <p>
 300          * Will invalidate the layout.
 301          *
 302          * @param value
 303          *            the author or the type, or NULL to get all the
 304          *            authors-or-types
 305          * @param type
 306          *            TRUE for type/source, FALSE for author
 307          */
 308         public void addBookPane(String value, boolean type) {
 309                 this.currentType = type;
 310
 311                 GuiReaderGroup bookPane = new GuiReaderGroup(helper.getReader(), value,
 312                                 color);
 313
 314                 books.put(value, bookPane);
 315
 316                 pane.invalidate();
 317                 pane.add(bookPane);
 318
 319                 bookPane.setActionListener(new BookActionListener() {
 320                         @Override
 321                         public void select(GuiReaderBook book) {
 322                                 selectedBook = book;
 323                         }
 324
 325                         @Override
 326                         public void popupRequested(GuiReaderBook book, Component target,
 327                                         int x, int y) {
 328                                 JPopupMenu popup = helper.createBookPopup();
 329                                 popup.show(target, x, y);
 330                         }
 331
 332                         @Override
 333                         public void action(final GuiReaderBook book) {
 334                                 openBook(book);
 335                         }
 336                 });
 337
 338                 focus();
 339         }
 340
 341         /**
 342          * Clear the pane from any book that may be present, usually prior to adding
 343          * new ones.
 344          * <p>
 345          * Will invalidate the layout.
 346          */
 347         public void removeBookPanes() {
 348                 books.clear();
 349                 pane.invalidate();
 350                 pane.removeAll();
 351         }
 352
 353         /**
 354          * Refresh the list of {@link GuiReaderBook}s from disk.
 355          * <p>
 356          * Will validate the layout, as it is a "refresh" operation.
 357          */
 358         public void refreshBooks() {
 359                 BasicLibrary lib = helper.getReader().getLibrary();
 360                 for (String value : books.keySet()) {
 361                         List<GuiReaderBookInfo> infos = new ArrayList<GuiReaderBookInfo>();
 362
 363                         List<MetaData> metas;
 364                         try {
 365                                 if (currentType) {
 366                                         metas = lib.getListBySource(value);
 367                                 } else {
 368                                         metas = lib.getListByAuthor(value);
 369                                 }
 370                         } catch (IOException e) {
 371                                 error(e.getLocalizedMessage(), "IOException", e);
 372                                 metas = new ArrayList<MetaData>();
 373                         }
 374
 375                         for (MetaData meta : metas) {
 376                                 infos.add(GuiReaderBookInfo.fromMeta(meta));
 377                         }
 378
 379                         books.get(value).refreshBooks(infos, words);
 380                 }
 381
 382                 if (bookPane != null) {
 383                         bookPane.refreshBooks(words);
 384                 }
 385
 386                 this.validate();
 387         }
 388
 389         /**
 390          * Open a {@link GuiReaderBook} item.
 391          *
 392          * @param book
 393          *            the {@link GuiReaderBook} to open
 394          */
 395         public void openBook(final GuiReaderBook book) {
 396                 final Progress pg = new Progress();
 397                 outOfUi(pg, false, new Runnable() {
 398                         @Override
 399                         public void run() {
 400                                 try {
 401                                         helper.getReader().read(book.getInfo().getMeta().getLuid(),
 402                                                         false, pg);
 403                                         SwingUtilities.invokeLater(new Runnable() {
 404                                                 @Override
 405                                                 public void run() {
 406                                                         book.setCached(true);
 407                                                 }
 408                                         });
 409                                 } catch (IOException e) {
 410                                         Instance.getTraceHandler().error(e);
 411                                         error(GuiReader.trans(StringIdGui.ERROR_CANNOT_OPEN),
 412                                                         GuiReader.trans(StringIdGui.TITLE_ERROR), e);
 413                                 }
 414                         }
 415                 });
 416         }
 417
 418         /**
 419          * Process the given action out of the Swing UI thread and link the given
 420          * {@link ProgressBar} to the action.
 421          * <p>
 422          * The code will make sure that the {@link ProgressBar} (if not NULL) is set
 423          * to done when the action is done.
 424          *
 425          * @param progress
 426          *            the {@link ProgressBar} or NULL
 427          * @param refreshBooks
 428          *            TRUE to refresh the books after
 429          * @param run
 430          *            the action to run
 431          */
 432         public void outOfUi(Progress progress, final boolean refreshBooks,
 433                         final Runnable run) {
 434                 final Progress pg = new Progress();
 435                 final Progress reload = new Progress(
 436                                 GuiReader.trans(StringIdGui.PROGRESS_OUT_OF_UI_RELOAD_BOOKS));
 437
 438                 if (progress == null) {
 439                         progress = new Progress();
 440                 }
 441
 442                 if (refreshBooks) {
 443                         pg.addProgress(progress, 100);
 444                 } else {
 445                         pg.addProgress(progress, 90);
 446                         pg.addProgress(reload, 10);
 447                 }
 448
 449                 invalidate();
 450                 pgBar.setProgress(pg);
 451                 validate();
 452                 setEnabled(false);
 453
 454                 new Thread(new Runnable() {
 455                         @Override
 456                         public void run() {
 457                                 try {
 458                                         run.run();
 459                                         if (refreshBooks) {
 460                                                 refreshBooks();
 461                                         }
 462                                 } finally {
 463                                         reload.done();
 464                                         if (!pg.isDone()) {
 465                                                 // will trigger pgBar ActionListener:
 466                                                 pg.done();
 467                                         }
 468                                 }
 469                         }
 470                 }, "outOfUi thread").start();
 471         }
 472
 473         /**
 474          * Process the given action in the main Swing UI thread.
 475          * <p>
 476          * The code will make sure the current thread is the main UI thread and, if
 477          * not, will switch to it before executing the runnable.
 478          * <p>
 479          * Synchronous operation.
 480          *
 481          * @param run
 482          *            the action to run
 483          */
 484         public void inUi(final Runnable run) {
 485                 if (EventQueue.isDispatchThread()) {
 486                         run.run();
 487                 } else {
 488                         try {
 489                                 EventQueue.invokeAndWait(run);
 490                         } catch (InterruptedException e) {
 491                                 Instance.getTraceHandler().error(e);
 492                         } catch (InvocationTargetException e) {
 493                                 Instance.getTraceHandler().error(e);
 494                         }
 495                 }
 496         }
 497
 498         /**
 499          * Import a {@link Story} into the main {@link LocalLibrary}.
 500          * <p>
 501          * Should be called inside the UI thread.
 502          *
 503          * @param askUrl
 504          *            TRUE for an {@link URL}, false for a {@link File}
 505          */
 506         public void imprt(boolean askUrl) {
 507                 JFileChooser fc = new JFileChooser();
 508
 509                 Object url;
 510                 if (askUrl) {
 511                         String clipboard = "";
 512                         try {
 513                                 clipboard = ("" + Toolkit.getDefaultToolkit()
 514                                                 .getSystemClipboard().getData(DataFlavor.stringFlavor))
 515                                                 .trim();
 516                         } catch (Exception e) {
 517                                 // No data will be handled
 518                         }
 519
 520                         if (clipboard == null || !clipboard.startsWith("http")) {
 521                                 clipboard = "";
 522                         }
 523
 524                         url = JOptionPane.showInputDialog(GuiReaderMainPanel.this,
 525                                         GuiReader.trans(StringIdGui.SUBTITLE_IMPORT_URL),
 526                                         GuiReader.trans(StringIdGui.TITLE_IMPORT_URL),
 527                                         JOptionPane.QUESTION_MESSAGE, null, null, clipboard);
 528                 } else if (fc.showOpenDialog(this) != JFileChooser.CANCEL_OPTION) {
 529                         url = fc.getSelectedFile().getAbsolutePath();
 530                 } else {
 531                         url = null;
 532                 }
 533
 534                 if (url != null && !url.toString().isEmpty()) {
 535                         imprt(url.toString(), null, null);
 536                 }
 537         }
 538
 539         /**
 540          * Actually import the {@link Story} into the main {@link LocalLibrary}.
 541          * <p>
 542          * Should be called inside the UI thread.
 543          *
 544          * @param url
 545          *            the {@link Story} to import by {@link URL}
 546          * @param onSuccess
 547          *            Action to execute on success
 548          * @param onSuccessPgName
 549          *            the name to use for the onSuccess progress bar
 550          */
 551         public void imprt(final String url, final StoryRunnable onSuccess,
 552                         String onSuccessPgName) {
 553                 final Progress pg = new Progress();
 554                 final Progress pgImprt = new Progress();
 555                 final Progress pgOnSuccess = new Progress(onSuccessPgName);
 556                 pg.addProgress(pgImprt, 95);
 557                 pg.addProgress(pgOnSuccess, 5);
 558
 559                 outOfUi(pg, true, new Runnable() {
 560                         @Override
 561                         public void run() {
 562                                 Exception ex = null;
 563                                 Story story = null;
 564                                 try {
 565                                         story = helper.getReader().getLibrary()
 566                                                         .imprt(BasicReader.getUrl(url), pgImprt);
 567                                 } catch (IOException e) {
 568                                         ex = e;
 569                                 }
 570
 571                                 final Exception e = ex;
 572
 573                                 final boolean ok = (e == null);
 574
 575                                 pgOnSuccess.setProgress(0);
 576                                 if (!ok) {
 577                                         if (e instanceof UnknownHostException) {
 578                                                 error(GuiReader.trans(
 579                                                                 StringIdGui.ERROR_URL_NOT_SUPPORTED, url),
 580                                                                 GuiReader.trans(StringIdGui.TITLE_ERROR), null);
 581                                         } else {
 582                                                 error(GuiReader.trans(
 583                                                                 StringIdGui.ERROR_URL_IMPORT_FAILED, url,
 584                                                                 e.getMessage()), GuiReader
 585                                                                 .trans(StringIdGui.TITLE_ERROR), e);
 586                                         }
 587                                 } else {
 588                                         if (onSuccess != null) {
 589                                                 onSuccess.run(story);
 590                                         }
 591                                 }
 592                                 pgOnSuccess.done();
 593                         }
 594                 });
 595         }
 596
 597         /**
 598          * Enables or disables this component, depending on the value of the
 599          * parameter <code>b</code>. An enabled component can respond to user input
 600          * and generate events. Components are enabled initially by default.
 601          * <p>
 602          * Enabling or disabling <b>this</b> component will also affect its
 603          * children.
 604          *
 605          * @param b
 606          *            If <code>true</code>, this component is enabled; otherwise
 607          *            this component is disabled
 608          */
 609         @Override
 610         public void setEnabled(boolean b) {
 611                 if (bar != null) {
 612                         bar.setEnabled(b);
 613                 }
 614
 615                 for (GuiReaderGroup group : books.values()) {
 616                         group.setEnabled(b);
 617                 }
 618                 super.setEnabled(b);
 619                 repaint();
 620         }
 621
 622         public void setWords(boolean words) {
 623                 this.words = words;
 624         }
 625
 626         public GuiReaderBook getSelectedBook() {
 627                 return selectedBook;
 628         }
 629
 630         public void unsetSelectedBook() {
 631                 selectedBook = null;
 632         }
 633
 634         private void addListPane(String name, List<String> values,
 635                         final boolean type) {
 636                 GuiReader reader = helper.getReader();
 637                 BasicLibrary lib = reader.getLibrary();
 638
 639                 bookPane = new GuiReaderGroup(reader, name, color);
 640
 641                 List<GuiReaderBookInfo> infos = new ArrayList<GuiReaderBookInfo>();
 642                 for (String value : values) {
 643                         if (type) {
 644                                 infos.add(GuiReaderBookInfo.fromSource(lib, value));
 645                         } else {
 646                                 infos.add(GuiReaderBookInfo.fromAuthor(lib, value));
 647                         }
 648                 }
 649
 650                 bookPane.refreshBooks(infos, words);
 651
 652                 this.invalidate();
 653                 pane.invalidate();
 654                 pane.add(bookPane);
 655                 pane.validate();
 656                 this.validate();
 657
 658                 bookPane.setActionListener(new BookActionListener() {
 659                         @Override
 660                         public void select(GuiReaderBook book) {
 661                                 selectedBook = book;
 662                         }
 663
 664                         @Override
 665                         public void popupRequested(GuiReaderBook book, Component target,
 666                                         int x, int y) {
 667                                 JPopupMenu popup = helper.createSourceAuthorPopup();
 668                                 popup.show(target, x, y);
 669                         }
 670
 671                         @Override
 672                         public void action(final GuiReaderBook book) {
 673                                 removeBookPanes();
 674                                 addBookPane(book.getInfo().getMainInfo(), type);
 675                                 refreshBooks();
 676                         }
 677                 });
 678
 679                 focus();
 680         }
 681
 682         /**
 683          * Focus the first {@link GuiReaderGroup} we find.
 684          */
 685         private void focus() {
 686                 GuiReaderGroup group = null;
 687                 Map<String, GuiReaderGroup> books = this.books;
 688                 if (books.size() > 0) {
 689                         group = books.values().iterator().next();
 690                 }
 691
 692                 if (group == null) {
 693                         group = bookPane;
 694                 }
 695
 696                 if (group != null) {
 697                         group.requestFocusInWindow();
 698                 }
 699         }
 700
 701         /**
 702          * Display an error message and log the linked {@link Exception}.
 703          *
 704          * @param message
 705          *            the message
 706          * @param title
 707          *            the title of the error message
 708          * @param e
 709          *            the exception to log if any
 710          */
 711         private void error(final String message, final String title, Exception e) {
 712                 Instance.getTraceHandler().error(title + ": " + message);
 713                 if (e != null) {
 714                         Instance.getTraceHandler().error(e);
 715                 }
 716
 717                 SwingUtilities.invokeLater(new Runnable() {
 718                         @Override
 719                         public void run() {
 720                                 JOptionPane.showMessageDialog(GuiReaderMainPanel.this, message,
 721                                                 title, JOptionPane.ERROR_MESSAGE);
 722                         }
 723                 });
 724         }
 725 }