git.gag.com Git - debian/openrocket/blob - src/net/sf/openrocket/gui/main/BasicFrame.java

   1 package net.sf.openrocket.gui.main;
   2
   3 import java.awt.Dimension;
   4 import java.awt.Font;
   5 import java.awt.Toolkit;
   6 import java.awt.Window;
   7 import java.awt.event.ActionEvent;
   8 import java.awt.event.ActionListener;
   9 import java.awt.event.ComponentAdapter;
  10 import java.awt.event.ComponentEvent;
  11 import java.awt.event.KeyEvent;
  12 import java.awt.event.MouseAdapter;
  13 import java.awt.event.MouseEvent;
  14 import java.awt.event.MouseListener;
  15 import java.awt.event.WindowAdapter;
  16 import java.awt.event.WindowEvent;
  17 import java.io.File;
  18 import java.io.FileNotFoundException;
  19 import java.io.IOException;
  20 import java.io.InputStream;
  21 import java.io.UnsupportedEncodingException;
  22 import java.lang.reflect.InvocationTargetException;
  23 import java.net.URI;
  24 import java.net.URISyntaxException;
  25 import java.net.URL;
  26 import java.net.URLDecoder;
  27 import java.util.ArrayList;
  28 import java.util.concurrent.ExecutionException;
  29
  30 import javax.swing.Action;
  31 import javax.swing.InputMap;
  32 import javax.swing.JButton;
  33 import javax.swing.JComponent;
  34 import javax.swing.JFileChooser;
  35 import javax.swing.JFrame;
  36 import javax.swing.JMenu;
  37 import javax.swing.JMenuBar;
  38 import javax.swing.JMenuItem;
  39 import javax.swing.JOptionPane;
  40 import javax.swing.JPanel;
  41 import javax.swing.JScrollPane;
  42 import javax.swing.JSeparator;
  43 import javax.swing.JSplitPane;
  44 import javax.swing.JTabbedPane;
  45 import javax.swing.JTextField;
  46 import javax.swing.KeyStroke;
  47 import javax.swing.ListSelectionModel;
  48 import javax.swing.ScrollPaneConstants;
  49 import javax.swing.SwingUtilities;
  50 import javax.swing.Timer;
  51 import javax.swing.ToolTipManager;
  52 import javax.swing.border.TitledBorder;
  53 import javax.swing.event.TreeSelectionEvent;
  54 import javax.swing.event.TreeSelectionListener;
  55 import javax.swing.filechooser.FileFilter;
  56 import javax.swing.tree.DefaultTreeSelectionModel;
  57 import javax.swing.tree.TreePath;
  58 import javax.swing.tree.TreeSelectionModel;
  59
  60 import net.miginfocom.swing.MigLayout;
  61 import net.sf.openrocket.aerodynamics.WarningSet;
  62 import net.sf.openrocket.communication.UpdateInfo;
  63 import net.sf.openrocket.communication.UpdateInfoRetriever;
  64 import net.sf.openrocket.database.Databases;
  65 import net.sf.openrocket.document.OpenRocketDocument;
  66 import net.sf.openrocket.file.GeneralRocketLoader;
  67 import net.sf.openrocket.file.RocketLoadException;
  68 import net.sf.openrocket.file.RocketLoader;
  69 import net.sf.openrocket.file.RocketSaver;
  70 import net.sf.openrocket.file.openrocket.OpenRocketSaver;
  71 import net.sf.openrocket.gui.StorageOptionChooser;
  72 import net.sf.openrocket.gui.configdialog.ComponentConfigDialog;
  73 import net.sf.openrocket.gui.dialogs.AboutDialog;
  74 import net.sf.openrocket.gui.dialogs.BugReportDialog;
  75 import net.sf.openrocket.gui.dialogs.ComponentAnalysisDialog;
  76 import net.sf.openrocket.gui.dialogs.ExampleDesignDialog;
  77 import net.sf.openrocket.gui.dialogs.LicenseDialog;
  78 import net.sf.openrocket.gui.dialogs.MotorDatabaseLoadingDialog;
  79 import net.sf.openrocket.gui.dialogs.SwingWorkerDialog;
  80 import net.sf.openrocket.gui.dialogs.UpdateInfoDialog;
  81 import net.sf.openrocket.gui.dialogs.WarningDialog;
  82 import net.sf.openrocket.gui.dialogs.preferences.PreferencesDialog;
  83 import net.sf.openrocket.gui.scalefigure.RocketPanel;
  84 import net.sf.openrocket.logging.LogHelper;
  85 import net.sf.openrocket.rocketcomponent.ComponentChangeEvent;
  86 import net.sf.openrocket.rocketcomponent.ComponentChangeListener;
  87 import net.sf.openrocket.rocketcomponent.Rocket;
  88 import net.sf.openrocket.rocketcomponent.RocketComponent;
  89 import net.sf.openrocket.rocketcomponent.Stage;
  90 import net.sf.openrocket.startup.Application;
  91 import net.sf.openrocket.util.BugException;
  92 import net.sf.openrocket.util.GUIUtil;
  93 import net.sf.openrocket.util.Icons;
  94 import net.sf.openrocket.util.OpenFileWorker;
  95 import net.sf.openrocket.util.Prefs;
  96 import net.sf.openrocket.util.Reflection;
  97 import net.sf.openrocket.util.SaveFileWorker;
  98 import net.sf.openrocket.util.TestRockets;
  99
 100 public class BasicFrame extends JFrame {
 101         private static final LogHelper log = Application.getLogger();
 102
 103         /**
 104          * The RocketLoader instance used for loading all rocket designs.
 105          */
 106         private static final RocketLoader ROCKET_LOADER = new GeneralRocketLoader();
 107
 108         private static final RocketSaver ROCKET_SAVER = new OpenRocketSaver();
 109
 110
 111         // FileFilters for different types of rocket design files
 112         private static final FileFilter ALL_DESIGNS_FILTER =
 113                         new SimpleFileFilter("All rocket designs (*.ork; *.rkt)",
 114                                         ".ork", ".ork.gz", ".rkt", ".rkt.gz");
 115
 116         private static final FileFilter OPENROCKET_DESIGN_FILTER =
 117                         new SimpleFileFilter("OpenRocket designs (*.ork)", ".ork", ".ork.gz");
 118
 119         private static final FileFilter ROCKSIM_DESIGN_FILTER =
 120                         new SimpleFileFilter("RockSim designs (*.rkt)", ".rkt", ".rkt.gz");
 121
 122
 123
 124
 125         public static final int COMPONENT_TAB = 0;
 126         public static final int SIMULATION_TAB = 1;
 127
 128
 129         /**
 130          * List of currently open frames.  When the list goes empty
 131          * it is time to exit the application.
 132          */
 133         private static final ArrayList<BasicFrame> frames = new ArrayList<BasicFrame>();
 134
 135
 136
 137
 138
 139         /**
 140          * Whether "New" and "Open" should replace this frame.
 141          * Should be set to false on the first rocket modification.
 142          */
 143         private boolean replaceable = false;
 144
 145
 146
 147         private final OpenRocketDocument document;
 148         private final Rocket rocket;
 149
 150         private JTabbedPane tabbedPane;
 151         private RocketPanel rocketpanel;
 152         private ComponentTree tree = null;
 153
 154         private final DocumentSelectionModel selectionModel;
 155         private final TreeSelectionModel componentSelectionModel;
 156         private final ListSelectionModel simulationSelectionModel;
 157
 158         /** Actions available for rocket modifications */
 159         private final RocketActions actions;
 160
 161
 162
 163         /**
 164          * Sole constructor.  Creates a new frame based on the supplied document
 165          * and adds it to the current frames list.
 166          *
 167          * @param document      the document to show.
 168          */
 169         public BasicFrame(OpenRocketDocument document) {
 170                 log.debug("Instantiating new BasicFrame");
 171
 172                 this.document = document;
 173                 this.rocket = document.getRocket();
 174                 this.rocket.getDefaultConfiguration().setAllStages();
 175
 176
 177                 // Set replaceable flag to false at first modification
 178                 rocket.addComponentChangeListener(new ComponentChangeListener() {
 179                         public void componentChanged(ComponentChangeEvent e) {
 180                                 replaceable = false;
 181                                 BasicFrame.this.rocket.removeComponentChangeListener(this);
 182                         }
 183                 });
 184
 185
 186                 // Create the component tree selection model that will be used
 187                 componentSelectionModel = new DefaultTreeSelectionModel();
 188                 componentSelectionModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
 189
 190                 // Obtain the simulation selection model that will be used
 191                 SimulationPanel simulationPanel = new SimulationPanel(document);
 192                 simulationSelectionModel = simulationPanel.getSimulationListSelectionModel();
 193
 194                 // Combine into a DocumentSelectionModel
 195                 selectionModel = new DocumentSelectionModel(document);
 196                 selectionModel.attachComponentTreeSelectionModel(componentSelectionModel);
 197                 selectionModel.attachSimulationListSelectionModel(simulationSelectionModel);
 198
 199
 200                 actions = new RocketActions(document, selectionModel, this);
 201
 202
 203                 log.debug("Constructing the BasicFrame UI");
 204
 205                 // The main vertical split pane
 206                 JSplitPane vertical = new JSplitPane(JSplitPane.VERTICAL_SPLIT, true);
 207                 vertical.setResizeWeight(0.5);
 208                 this.add(vertical);
 209
 210
 211                 // The top tabbed pane
 212                 tabbedPane = new JTabbedPane();
 213                 tabbedPane.addTab("Rocket design", null, designTab());
 214                 tabbedPane.addTab("Flight simulations", null, simulationPanel);
 215
 216                 vertical.setTopComponent(tabbedPane);
 217
 218
 219
 220                 //  Bottom segment, rocket figure
 221
 222                 rocketpanel = new RocketPanel(document);
 223                 vertical.setBottomComponent(rocketpanel);
 224
 225                 rocketpanel.setSelectionModel(tree.getSelectionModel());
 226
 227
 228                 createMenu();
 229
 230
 231                 rocket.addComponentChangeListener(new ComponentChangeListener() {
 232                         public void componentChanged(ComponentChangeEvent e) {
 233                                 setTitle();
 234                         }
 235                 });
 236
 237                 setTitle();
 238                 this.pack();
 239
 240                 Dimension size = Prefs.getWindowSize(this.getClass());
 241                 if (size == null) {
 242                         size = Toolkit.getDefaultToolkit().getScreenSize();
 243                         size.width = size.width * 9 / 10;
 244                         size.height = size.height * 9 / 10;
 245                 }
 246                 this.setSize(size);
 247                 this.addComponentListener(new ComponentAdapter() {
 248                         @Override
 249                         public void componentResized(ComponentEvent e) {
 250                                 Prefs.setWindowSize(BasicFrame.this.getClass(), BasicFrame.this.getSize());
 251                         }
 252                 });
 253                 this.setLocationByPlatform(true);
 254
 255                 GUIUtil.setWindowIcons(this);
 256
 257                 this.validate();
 258                 vertical.setDividerLocation(0.4);
 259                 setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
 260                 addWindowListener(new WindowAdapter() {
 261                         @Override
 262                         public void windowClosing(WindowEvent e) {
 263                                 closeAction();
 264                         }
 265                 });
 266                 frames.add(this);
 267
 268                 log.debug("BasicFrame instantiation complete");
 269         }
 270
 271
 272         /**
 273          * Construct the "Rocket design" tab.  This contains a horizontal split pane
 274          * with the left component the design tree and the right component buttons
 275          * for adding components.
 276          */
 277         private JComponent designTab() {
 278                 JSplitPane horizontal = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true);
 279                 horizontal.setResizeWeight(0.5);
 280
 281
 282                 //  Upper-left segment, component tree
 283
 284                 JPanel panel = new JPanel(new MigLayout("fill, flowy", "", "[grow]"));
 285
 286                 tree = new ComponentTree(rocket);
 287                 tree.setSelectionModel(componentSelectionModel);
 288
 289                 // Remove JTree key events that interfere with menu accelerators
 290                 InputMap im = SwingUtilities.getUIInputMap(tree, JComponent.WHEN_FOCUSED);
 291                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.CTRL_MASK), null);
 292                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_C, ActionEvent.CTRL_MASK), null);
 293                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_V, ActionEvent.CTRL_MASK), null);
 294                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK), null);
 295                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK), null);
 296                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK), null);
 297                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK), null);
 298
 299
 300
 301                 // Double-click opens config dialog
 302                 MouseListener ml = new MouseAdapter() {
 303                         @Override
 304                         public void mousePressed(MouseEvent e) {
 305                                 int selRow = tree.getRowForLocation(e.getX(), e.getY());
 306                                 TreePath selPath = tree.getPathForLocation(e.getX(), e.getY());
 307                                 if (selRow != -1) {
 308                                         if ((e.getClickCount() == 2) && !ComponentConfigDialog.isDialogVisible()) {
 309                                                 // Double-click
 310                                                 RocketComponent c = (RocketComponent) selPath.getLastPathComponent();
 311                                                 ComponentConfigDialog.showDialog(BasicFrame.this,
 312                                                                 BasicFrame.this.document, c);
 313                                         }
 314                                 }
 315                         }
 316                 };
 317                 tree.addMouseListener(ml);
 318
 319                 // Update dialog when selection is changed
 320                 componentSelectionModel.addTreeSelectionListener(new TreeSelectionListener() {
 321                         public void valueChanged(TreeSelectionEvent e) {
 322                                 // Scroll tree to the selected item
 323                                 TreePath path = componentSelectionModel.getSelectionPath();
 324                                 if (path == null)
 325                                         return;
 326                                 tree.scrollPathToVisible(path);
 327
 328                                 if (!ComponentConfigDialog.isDialogVisible())
 329                                         return;
 330                                 RocketComponent c = (RocketComponent) path.getLastPathComponent();
 331                                 ComponentConfigDialog.showDialog(BasicFrame.this,
 332                                                 BasicFrame.this.document, c);
 333                         }
 334                 });
 335
 336                 // Place tree inside scroll pane
 337                 JScrollPane scroll = new JScrollPane(tree);
 338                 panel.add(scroll, "spany, grow, wrap");
 339
 340
 341                 // Buttons
 342                 JButton button = new JButton(actions.getMoveUpAction());
 343                 panel.add(button, "sizegroup buttons, aligny 65%");
 344
 345                 button = new JButton(actions.getMoveDownAction());
 346                 panel.add(button, "sizegroup buttons, aligny 0%");
 347
 348                 button = new JButton(actions.getEditAction());
 349                 panel.add(button, "sizegroup buttons");
 350
 351                 button = new JButton(actions.getNewStageAction());
 352                 panel.add(button, "sizegroup buttons");
 353
 354                 button = new JButton(actions.getDeleteAction());
 355                 button.setIcon(null);
 356                 button.setMnemonic(0);
 357                 panel.add(button, "sizegroup buttons");
 358
 359                 horizontal.setLeftComponent(panel);
 360
 361
 362                 //  Upper-right segment, component addition buttons
 363
 364                 panel = new JPanel(new MigLayout("fill, insets 0", "[0::]"));
 365
 366                 scroll = new JScrollPane(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
 367                                 ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
 368                 scroll.setViewportView(new ComponentAddButtons(document, componentSelectionModel,
 369                                 scroll.getViewport()));
 370                 scroll.setBorder(null);
 371                 scroll.setViewportBorder(null);
 372
 373                 TitledBorder border = new TitledBorder("Add new component");
 374                 border.setTitleFont(border.getTitleFont().deriveFont(Font.BOLD));
 375                 scroll.setBorder(border);
 376
 377                 panel.add(scroll, "grow");
 378
 379                 horizontal.setRightComponent(panel);
 380
 381                 return horizontal;
 382         }
 383
 384
 385
 386         /**
 387          * Creates the menu for the window.
 388          */
 389         private void createMenu() {
 390                 JMenuBar menubar = new JMenuBar();
 391                 JMenu menu;
 392                 JMenuItem item;
 393
 394                 ////  File
 395                 menu = new JMenu("File");
 396                 menu.setMnemonic(KeyEvent.VK_F);
 397                 menu.getAccessibleContext().setAccessibleDescription("File-handling related tasks");
 398                 menubar.add(menu);
 399
 400                 item = new JMenuItem("New", KeyEvent.VK_N);
 401                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));
 402                 item.setMnemonic(KeyEvent.VK_N);
 403                 item.getAccessibleContext().setAccessibleDescription("Create a new rocket design");
 404                 item.setIcon(Icons.FILE_NEW);
 405                 item.addActionListener(new ActionListener() {
 406                         public void actionPerformed(ActionEvent e) {
 407                                 newAction();
 408                                 if (replaceable)
 409                                         closeAction();
 410                         }
 411                 });
 412                 menu.add(item);
 413
 414                 item = new JMenuItem("Open...", KeyEvent.VK_O);
 415                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK));
 416                 item.getAccessibleContext().setAccessibleDescription("Open a rocket design");
 417                 item.setIcon(Icons.FILE_OPEN);
 418                 item.addActionListener(new ActionListener() {
 419                         public void actionPerformed(ActionEvent e) {
 420                                 openAction();
 421                         }
 422                 });
 423                 menu.add(item);
 424
 425                 item = new JMenuItem("Open example...");
 426                 item.getAccessibleContext().setAccessibleDescription("Open an example rocket design");
 427                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,
 428                                 ActionEvent.CTRL_MASK | ActionEvent.SHIFT_MASK));
 429                 item.setIcon(Icons.FILE_OPEN_EXAMPLE);
 430                 item.addActionListener(new ActionListener() {
 431                         public void actionPerformed(ActionEvent e) {
 432                                 URL[] urls = ExampleDesignDialog.selectExampleDesigns(BasicFrame.this);
 433                                 if (urls != null) {
 434                                         for (URL u : urls) {
 435                                                 open(u, BasicFrame.this);
 436                                         }
 437                                 }
 438                         }
 439                 });
 440                 menu.add(item);
 441
 442                 menu.addSeparator();
 443
 444                 item = new JMenuItem("Save", KeyEvent.VK_S);
 445                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));
 446                 item.getAccessibleContext().setAccessibleDescription("Save the current rocket design");
 447                 item.setIcon(Icons.FILE_SAVE);
 448                 item.addActionListener(new ActionListener() {
 449                         public void actionPerformed(ActionEvent e) {
 450                                 saveAction();
 451                         }
 452                 });
 453                 menu.add(item);
 454
 455                 item = new JMenuItem("Save as...", KeyEvent.VK_A);
 456                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,
 457                                 ActionEvent.CTRL_MASK | ActionEvent.SHIFT_MASK));
 458                 item.getAccessibleContext().setAccessibleDescription("Save the current rocket design " +
 459                                 "to a new file");
 460                 item.setIcon(Icons.FILE_SAVE_AS);
 461                 item.addActionListener(new ActionListener() {
 462                         public void actionPerformed(ActionEvent e) {
 463                                 saveAsAction();
 464                         }
 465                 });
 466                 menu.add(item);
 467
 468                 //              menu.addSeparator();
 469                 menu.add(new JSeparator());
 470
 471                 item = new JMenuItem("Close", KeyEvent.VK_C);
 472                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, ActionEvent.CTRL_MASK));
 473                 item.getAccessibleContext().setAccessibleDescription("Close the current rocket design");
 474                 item.setIcon(Icons.FILE_CLOSE);
 475                 item.addActionListener(new ActionListener() {
 476                         public void actionPerformed(ActionEvent e) {
 477                                 closeAction();
 478                         }
 479                 });
 480                 menu.add(item);
 481
 482                 menu.addSeparator();
 483
 484                 item = new JMenuItem("Quit", KeyEvent.VK_Q);
 485                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, ActionEvent.CTRL_MASK));
 486                 item.getAccessibleContext().setAccessibleDescription("Quit the program");
 487                 item.setIcon(Icons.FILE_QUIT);
 488                 item.addActionListener(new ActionListener() {
 489                         public void actionPerformed(ActionEvent e) {
 490                                 quitAction();
 491                         }
 492                 });
 493                 menu.add(item);
 494
 495
 496
 497                 ////  Edit
 498                 menu = new JMenu("Edit");
 499                 menu.setMnemonic(KeyEvent.VK_E);
 500                 menu.getAccessibleContext().setAccessibleDescription("Rocket editing");
 501                 menubar.add(menu);
 502
 503
 504                 Action action = document.getUndoAction();
 505                 item = new JMenuItem(action);
 506                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z, ActionEvent.CTRL_MASK));
 507                 item.setMnemonic(KeyEvent.VK_U);
 508                 item.getAccessibleContext().setAccessibleDescription("Undo the previous operation");
 509
 510                 menu.add(item);
 511
 512                 action = document.getRedoAction();
 513                 item = new JMenuItem(action);
 514                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Y, ActionEvent.CTRL_MASK));
 515                 item.setMnemonic(KeyEvent.VK_R);
 516                 item.getAccessibleContext().setAccessibleDescription("Redo the previously undone " +
 517                                 "operation");
 518                 menu.add(item);
 519
 520                 menu.addSeparator();
 521
 522
 523                 item = new JMenuItem(actions.getCutAction());
 524                 menu.add(item);
 525
 526                 item = new JMenuItem(actions.getCopyAction());
 527                 menu.add(item);
 528
 529                 item = new JMenuItem(actions.getPasteAction());
 530                 menu.add(item);
 531
 532                 item = new JMenuItem(actions.getDeleteAction());
 533                 menu.add(item);
 534
 535                 menu.addSeparator();
 536
 537                 item = new JMenuItem("Preferences");
 538                 item.setIcon(Icons.PREFERENCES);
 539                 item.getAccessibleContext().setAccessibleDescription("Setup the application " +
 540                                 "preferences");
 541                 item.addActionListener(new ActionListener() {
 542                         public void actionPerformed(ActionEvent e) {
 543                                 PreferencesDialog.showPreferences();
 544                         }
 545                 });
 546                 menu.add(item);
 547
 548
 549
 550
 551                 ////  Analyze
 552                 menu = new JMenu("Analyze");
 553                 menu.setMnemonic(KeyEvent.VK_A);
 554                 menu.getAccessibleContext().setAccessibleDescription("Analyzing the rocket");
 555                 menubar.add(menu);
 556
 557                 item = new JMenuItem("Component analysis", KeyEvent.VK_C);
 558                 item.getAccessibleContext().setAccessibleDescription("Analyze the rocket components " +
 559                                 "separately");
 560                 item.addActionListener(new ActionListener() {
 561                         public void actionPerformed(ActionEvent e) {
 562                                 ComponentAnalysisDialog.showDialog(rocketpanel);
 563                         }
 564                 });
 565                 menu.add(item);
 566
 567
 568                 ////  Debug
 569                 // (shown if openrocket.debug.menu is defined)
 570                 if (System.getProperty("openrocket.debug.menu") != null) {
 571                         menubar.add(makeDebugMenu());
 572                 }
 573
 574
 575
 576                 ////  Help
 577
 578                 menu = new JMenu("Help");
 579                 menu.setMnemonic(KeyEvent.VK_H);
 580                 menu.getAccessibleContext().setAccessibleDescription("Information about OpenRocket");
 581                 menubar.add(menu);
 582
 583
 584
 585                 item = new JMenuItem("License", KeyEvent.VK_L);
 586                 item.getAccessibleContext().setAccessibleDescription("OpenRocket license information");
 587                 item.addActionListener(new ActionListener() {
 588                         public void actionPerformed(ActionEvent e) {
 589                                 new LicenseDialog(BasicFrame.this).setVisible(true);
 590                         }
 591                 });
 592                 menu.add(item);
 593
 594                 item = new JMenuItem("Bug report", KeyEvent.VK_B);
 595                 item.getAccessibleContext().setAccessibleDescription("Information about reporting " +
 596                                 "bugs in OpenRocket");
 597                 item.addActionListener(new ActionListener() {
 598                         public void actionPerformed(ActionEvent e) {
 599                                 //                              new BugDialog(BasicFrame.this).setVisible(true);
 600                                 BugReportDialog.showBugReportDialog(BasicFrame.this);
 601                         }
 602                 });
 603                 menu.add(item);
 604
 605                 item = new JMenuItem("About", KeyEvent.VK_A);
 606                 item.getAccessibleContext().setAccessibleDescription("About OpenRocket");
 607                 item.addActionListener(new ActionListener() {
 608                         public void actionPerformed(ActionEvent e) {
 609                                 new AboutDialog(BasicFrame.this).setVisible(true);
 610                         }
 611                 });
 612                 menu.add(item);
 613
 614
 615                 this.setJMenuBar(menubar);
 616         }
 617
 618
 619         private JMenu makeDebugMenu() {
 620                 JMenu menu;
 621                 JMenuItem item;
 622
 623                 ////  Debug menu
 624                 menu = new JMenu("Debug");
 625                 menu.getAccessibleContext().setAccessibleDescription("OpenRocket debugging tasks");
 626
 627                 item = new JMenuItem("What is this menu?");
 628                 item.addActionListener(new ActionListener() {
 629                         public void actionPerformed(ActionEvent e) {
 630                                 JOptionPane.showMessageDialog(BasicFrame.this,
 631                                                 new Object[] {
 632                                                                 "The 'Debug' menu includes actions for testing and debugging " +
 633                                                                                 "OpenRocket.", " ",
 634                                                                 "The menu is made visible by defining the system property " +
 635                                                                                 "'openrocket.debug.menu' when starting OpenRocket.",
 636                                                                 "It should not be visible by default." },
 637                                                 "Debug menu", JOptionPane.INFORMATION_MESSAGE);
 638                         }
 639                 });
 640                 menu.add(item);
 641
 642                 menu.addSeparator();
 643
 644                 item = new JMenuItem("Create test rocket");
 645                 item.addActionListener(new ActionListener() {
 646                         @Override
 647                         public void actionPerformed(ActionEvent e) {
 648                                 JTextField field = new JTextField();
 649                                 int sel = JOptionPane.showOptionDialog(BasicFrame.this, new Object[] {
 650                                                 "Input text key to generate random rocket:",
 651                                                 field
 652                                         }, "Generate random test rocket", JOptionPane.DEFAULT_OPTION,
 653                                                 JOptionPane.QUESTION_MESSAGE, null, new Object[] {
 654                                                                 "Random", "OK"
 655                                 }, "OK");
 656
 657                                 Rocket r;
 658                                 if (sel == 0) {
 659                                         r = new TestRockets(null).makeTestRocket();
 660                                 } else if (sel == 1) {
 661                                         r = new TestRockets(field.getText()).makeTestRocket();
 662                                 } else {
 663                                         return;
 664                                 }
 665
 666                                 OpenRocketDocument doc = new OpenRocketDocument(r);
 667                                 doc.setSaved(true);
 668                                 BasicFrame frame = new BasicFrame(doc);
 669                                 frame.setVisible(true);
 670                         }
 671                 });
 672                 menu.add(item);
 673
 674
 675
 676                 item = new JMenuItem("Create 'Iso-Haisu'");
 677                 item.addActionListener(new ActionListener() {
 678                         @Override
 679                         public void actionPerformed(ActionEvent e) {
 680                                 Rocket r = TestRockets.makeIsoHaisu();
 681                                 OpenRocketDocument doc = new OpenRocketDocument(r);
 682                                 doc.setSaved(true);
 683                                 BasicFrame frame = new BasicFrame(doc);
 684                                 frame.setVisible(true);
 685                         }
 686                 });
 687                 menu.add(item);
 688
 689
 690                 item = new JMenuItem("Create 'Big Blue'");
 691                 item.addActionListener(new ActionListener() {
 692                         @Override
 693                         public void actionPerformed(ActionEvent e) {
 694                                 Rocket r = TestRockets.makeBigBlue();
 695                                 OpenRocketDocument doc = new OpenRocketDocument(r);
 696                                 doc.setSaved(true);
 697                                 BasicFrame frame = new BasicFrame(doc);
 698                                 frame.setVisible(true);
 699                         }
 700                 });
 701                 menu.add(item);
 702
 703
 704
 705                 menu.addSeparator();
 706
 707                 item = new JMenuItem("Exception here");
 708                 item.addActionListener(new ActionListener() {
 709                         public void actionPerformed(ActionEvent e) {
 710                                 throw new RuntimeException("Testing exception from menu action listener");
 711                         }
 712                 });
 713                 menu.add(item);
 714
 715                 item = new JMenuItem("Exception from EDT");
 716                 item.addActionListener(new ActionListener() {
 717                         public void actionPerformed(ActionEvent e) {
 718                                 SwingUtilities.invokeLater(new Runnable() {
 719                                         @Override
 720                                         public void run() {
 721                                                 throw new RuntimeException("Testing exception from " +
 722                                                                 "later invoked EDT thread");
 723                                         }
 724                                 });
 725                         }
 726                 });
 727                 menu.add(item);
 728
 729                 item = new JMenuItem("Exception from other thread");
 730                 item.addActionListener(new ActionListener() {
 731                         public void actionPerformed(ActionEvent e) {
 732                                 new Thread() {
 733                                         @Override
 734                                         public void run() {
 735                                                 throw new RuntimeException("Testing exception from " +
 736                                                                 "newly created thread");
 737                                         }
 738                                 }.start();
 739                         }
 740                 });
 741                 menu.add(item);
 742
 743
 744
 745                 return menu;
 746         }
 747
 748
 749
 750         /**
 751          * Select the tab on the main pane.
 752          *
 753          * @param tab   one of {@link #COMPONENT_TAB} or {@link #SIMULATION_TAB}.
 754          */
 755         public void selectTab(int tab) {
 756                 tabbedPane.setSelectedIndex(tab);
 757         }
 758
 759
 760
 761         private void openAction() {
 762                 JFileChooser chooser = new JFileChooser();
 763
 764                 chooser.addChoosableFileFilter(ALL_DESIGNS_FILTER);
 765                 chooser.addChoosableFileFilter(OPENROCKET_DESIGN_FILTER);
 766                 chooser.addChoosableFileFilter(ROCKSIM_DESIGN_FILTER);
 767                 chooser.setFileFilter(ALL_DESIGNS_FILTER);
 768
 769                 chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
 770                 chooser.setMultiSelectionEnabled(true);
 771                 chooser.setCurrentDirectory(Prefs.getDefaultDirectory());
 772                 if (chooser.showOpenDialog(this) != JFileChooser.APPROVE_OPTION)
 773                         return;
 774
 775                 Prefs.setDefaultDirectory(chooser.getCurrentDirectory());
 776
 777                 File[] files = chooser.getSelectedFiles();
 778
 779                 for (File file : files) {
 780                         System.out.println("Opening file: " + file);
 781                         if (open(file, this)) {
 782
 783                                 // Close previous window if replacing
 784                                 if (replaceable && document.isSaved()) {
 785                                         closeAction();
 786                                         replaceable = false;
 787                                 }
 788                         }
 789                 }
 790         }
 791
 792
 793
 794         private static boolean open(URL url, BasicFrame parent) {
 795                 String filename = null;
 796
 797                 // Try using URI.getPath();
 798                 try {
 799                         URI uri = url.toURI();
 800                         filename = uri.getPath();
 801                 } catch (URISyntaxException ignore) {
 802                 }
 803
 804                 // Try URL-decoding the URL
 805                 if (filename == null) {
 806                         try {
 807                                 filename = URLDecoder.decode(url.toString(), "UTF-8");
 808                         } catch (UnsupportedEncodingException ignore) {
 809                         }
 810                 }
 811
 812                 // Last resort
 813                 if (filename == null) {
 814                         filename = "";
 815                 }
 816
 817                 // Remove path from filename
 818                 if (filename.lastIndexOf('/') >= 0) {
 819                         filename = filename.substring(filename.lastIndexOf('/') + 1);
 820                 }
 821
 822                 try {
 823                         InputStream is = url.openStream();
 824                         if (open(is, filename, parent)) {
 825                                 // Close previous window if replacing
 826                                 if (parent.replaceable && parent.document.isSaved()) {
 827                                         parent.closeAction();
 828                                         parent.replaceable = false;
 829                                 }
 830                         }
 831                 } catch (IOException e) {
 832                         JOptionPane.showMessageDialog(parent,
 833                                         "An error occurred while opening the file " + filename,
 834                                         "Error loading file", JOptionPane.ERROR_MESSAGE);
 835                 }
 836
 837                 return false;
 838         }
 839
 840
 841         /**
 842          * Open the specified file from an InputStream in a new design frame.  If an error
 843          * occurs, an error dialog is shown and <code>false</code> is returned.
 844          *
 845          * @param stream        the stream to load from.
 846          * @param filename      the file name to display in dialogs (not set to the document).
 847          * @param parent        the parent component for which a progress dialog is opened.
 848          * @return                      whether the file was successfully loaded and opened.
 849          */
 850         private static boolean open(InputStream stream, String filename, Window parent) {
 851                 OpenFileWorker worker = new OpenFileWorker(stream, ROCKET_LOADER);
 852                 return open(worker, filename, null, parent);
 853         }
 854
 855
 856         /**
 857          * Open the specified file in a new design frame.  If an error occurs, an error
 858          * dialog is shown and <code>false</code> is returned.
 859          *
 860          * @param file          the file to open.
 861          * @param parent        the parent component for which a progress dialog is opened.
 862          * @return                      whether the file was successfully loaded and opened.
 863          */
 864         public static boolean open(File file, Window parent) {
 865                 OpenFileWorker worker = new OpenFileWorker(file, ROCKET_LOADER);
 866                 return open(worker, file.getName(), file, parent);
 867         }
 868
 869
 870         /**
 871          * Open the specified file using the provided worker.
 872          *
 873          * @param worker        the OpenFileWorker that loads the file.
 874          * @param filename      the file name to display in dialogs.
 875          * @param file          the File to set the document to (may be null).
 876          * @param parent
 877          * @return
 878          */
 879         private static boolean open(OpenFileWorker worker, String filename, File file,
 880                         Window parent) {
 881
 882                 MotorDatabaseLoadingDialog.check(null);
 883
 884                 // Open the file in a Swing worker thread
 885                 if (!SwingWorkerDialog.runWorker(parent, "Opening file",
 886                                 "Reading " + filename + "...", worker)) {
 887
 888                         // User cancelled the operation
 889                         return false;
 890                 }
 891
 892
 893                 // Handle the document
 894                 OpenRocketDocument doc = null;
 895                 try {
 896
 897                         doc = worker.get();
 898
 899                 } catch (ExecutionException e) {
 900
 901                         Throwable cause = e.getCause();
 902
 903                         if (cause instanceof FileNotFoundException) {
 904
 905                                 JOptionPane.showMessageDialog(parent,
 906                                                 "File not found: " + filename,
 907                                                 "Error opening file", JOptionPane.ERROR_MESSAGE);
 908                                 return false;
 909
 910                         } else if (cause instanceof RocketLoadException) {
 911
 912                                 JOptionPane.showMessageDialog(parent,
 913                                                 "Unable to open file '" + filename + "': "
 914                                                                 + cause.getMessage(),
 915                                                 "Error opening file", JOptionPane.ERROR_MESSAGE);
 916                                 return false;
 917
 918                         } else {
 919
 920                                 throw new BugException("Unknown error when opening file", e);
 921
 922                         }
 923
 924                 } catch (InterruptedException e) {
 925                         throw new BugException("EDT was interrupted", e);
 926                 }
 927
 928                 if (doc == null) {
 929                         throw new BugException("BUG: Document loader returned null");
 930                 }
 931
 932
 933                 // Show warnings
 934                 WarningSet warnings = worker.getRocketLoader().getWarnings();
 935                 if (!warnings.isEmpty()) {
 936                         WarningDialog.showWarnings(parent,
 937                                         new Object[] {
 938                                                         "The following problems were encountered while opening " + filename + ".",
 939                                                         "Some design features may not have been loaded correctly."
 940                                         },
 941                                         "Warnings while opening file", warnings);
 942                 }
 943
 944
 945                 // Set document state
 946                 doc.setFile(file);
 947                 doc.setSaved(true);
 948
 949                 // Open the frame
 950                 BasicFrame frame = new BasicFrame(doc);
 951                 frame.setVisible(true);
 952
 953                 return true;
 954         }
 955
 956
 957
 958
 959
 960         private boolean saveAction() {
 961                 File file = document.getFile();
 962                 if (file == null) {
 963                         return saveAsAction();
 964                 }
 965
 966                 // Saving RockSim designs is not supported
 967                 if (ROCKSIM_DESIGN_FILTER.accept(file)) {
 968                         file = new File(file.getAbsolutePath().replaceAll(".[rR][kK][tT](.[gG][zZ])?$",
 969                                         ".ork"));
 970
 971                         int option = JOptionPane.showConfirmDialog(this, new Object[] {
 972                                         "Saving designs in RockSim format is not supported.",
 973                                         "Save in OpenRocket format instead (" + file.getName() + ")?"
 974                                 }, "Save " + file.getName(), JOptionPane.YES_NO_OPTION,
 975                                         JOptionPane.QUESTION_MESSAGE, null);
 976                         if (option != JOptionPane.YES_OPTION)
 977                                 return false;
 978
 979                         document.setFile(file);
 980                 }
 981                 return saveAs(file);
 982         }
 983
 984
 985         private boolean saveAsAction() {
 986                 File file = null;
 987                 while (file == null) {
 988                         // TODO: HIGH: what if *.rkt chosen?
 989                         StorageOptionChooser storageChooser =
 990                                         new StorageOptionChooser(document, document.getDefaultStorageOptions());
 991                         JFileChooser chooser = new JFileChooser();
 992                         chooser.setFileFilter(OPENROCKET_DESIGN_FILTER);
 993                         chooser.setCurrentDirectory(Prefs.getDefaultDirectory());
 994                         chooser.setAccessory(storageChooser);
 995                         if (document.getFile() != null)
 996                                 chooser.setSelectedFile(document.getFile());
 997
 998                         if (chooser.showSaveDialog(BasicFrame.this) != JFileChooser.APPROVE_OPTION)
 999                                 return false;
1000
1001                         file = chooser.getSelectedFile();
1002                         if (file == null)
1003                                 return false;
1004
1005                         Prefs.setDefaultDirectory(chooser.getCurrentDirectory());
1006                         storageChooser.storeOptions(document.getDefaultStorageOptions());
1007
1008                         if (file.getName().indexOf('.') < 0) {
1009                                 String name = file.getAbsolutePath();
1010                                 name = name + ".ork";
1011                                 file = new File(name);
1012                         }
1013
1014                         if (file.exists()) {
1015                                 int result = JOptionPane.showConfirmDialog(this,
1016                                                 "File '" + file.getName() + "' exists.  Do you want to overwrite it?",
1017                                                 "File exists", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
1018                                 if (result != JOptionPane.YES_OPTION)
1019                                         return false;
1020                         }
1021                 }
1022                 saveAs(file);
1023                 return true;
1024         }
1025
1026
1027         private boolean saveAs(File file) {
1028                 System.out.println("Saving to file: " + file.getName());
1029                 boolean saved = false;
1030
1031                 if (!StorageOptionChooser.verifyStorageOptions(document, this)) {
1032                         // User cancelled the dialog
1033                         return false;
1034                 }
1035
1036
1037                 SaveFileWorker worker = new SaveFileWorker(document, file, ROCKET_SAVER);
1038
1039                 if (!SwingWorkerDialog.runWorker(this, "Saving file",
1040                                 "Writing " + file.getName() + "...", worker)) {
1041
1042                         // User cancelled the save
1043                         file.delete();
1044                         return false;
1045                 }
1046
1047                 try {
1048                         worker.get();
1049                         document.setFile(file);
1050                         document.setSaved(true);
1051                         saved = true;
1052                         setTitle();
1053                 } catch (ExecutionException e) {
1054
1055                         Throwable cause = e.getCause();
1056
1057                         if (cause instanceof IOException) {
1058                                 JOptionPane.showMessageDialog(this, new String[] {
1059                                                 "An I/O error occurred while saving:",
1060                                                 e.getMessage() }, "Saving failed", JOptionPane.ERROR_MESSAGE);
1061                                 return false;
1062                         } else {
1063                                 Reflection.handleWrappedException(e);
1064                         }
1065
1066                 } catch (InterruptedException e) {
1067                         throw new BugException("EDT was interrupted", e);
1068                 }
1069
1070                 return saved;
1071         }
1072
1073
1074         private boolean closeAction() {
1075                 if (!document.isSaved()) {
1076                         ComponentConfigDialog.hideDialog();
1077                         int result = JOptionPane.showConfirmDialog(this,
1078                                         "Design '" + rocket.getName() + "' has not been saved.  " +
1079                                                         "Do you want to save it?",
1080                                         "Design not saved", JOptionPane.YES_NO_CANCEL_OPTION,
1081                                         JOptionPane.QUESTION_MESSAGE);
1082                         if (result == JOptionPane.YES_OPTION) {
1083                                 // Save
1084                                 if (!saveAction())
1085                                         return false; // If save was interrupted
1086                         } else if (result == JOptionPane.NO_OPTION) {
1087                                 // Don't save: No-op
1088                         } else {
1089                                 // Cancel or close
1090                                 return false;
1091                         }
1092                 }
1093
1094                 // Rocket has been saved or discarded
1095                 this.dispose();
1096
1097                 // TODO: LOW: Close only dialogs that have this frame as their parent
1098                 ComponentConfigDialog.hideDialog();
1099                 ComponentAnalysisDialog.hideDialog();
1100
1101                 frames.remove(this);
1102                 if (frames.isEmpty())
1103                         System.exit(0);
1104                 return true;
1105         }
1106
1107
1108         /**
1109          * Closes this frame if it is replaceable.
1110          */
1111         public void closeIfReplaceable() {
1112                 if (this.replaceable && document.isSaved()) {
1113                         closeAction();
1114                 }
1115         }
1116
1117         /**
1118          * Open a new design window with a basic rocket+stage.
1119          */
1120         public static void newAction() {
1121                 log.debug("New action initiated");
1122                 Rocket rocket = new Rocket();
1123                 Stage stage = new Stage();
1124                 stage.setName("Sustainer");
1125                 rocket.addChild(stage);
1126                 OpenRocketDocument doc = new OpenRocketDocument(rocket);
1127                 doc.setSaved(true);
1128
1129                 BasicFrame frame = new BasicFrame(doc);
1130                 frame.replaceable = true;
1131                 frame.setVisible(true);
1132                 ComponentConfigDialog.showDialog(frame, doc, rocket);
1133         }
1134
1135         /**
1136          * Quit the application.  Confirms saving unsaved designs.  The action of File->Quit.
1137          */
1138         public static void quitAction() {
1139                 for (int i = frames.size() - 1; i >= 0; i--) {
1140                         if (!frames.get(i).closeAction()) {
1141                                 // Close canceled
1142                                 return;
1143                         }
1144                 }
1145                 // Should not be reached, but just in case
1146                 System.exit(0);
1147         }
1148
1149
1150         /**
1151          * Set the title of the frame, taking into account the name of the rocket, file it
1152          * has been saved to (if any) and saved status.
1153          */
1154         private void setTitle() {
1155                 File file = document.getFile();
1156                 boolean saved = document.isSaved();
1157                 String title;
1158
1159                 title = rocket.getName();
1160                 if (file != null) {
1161                         title = title + " (" + file.getName() + ")";
1162                 }
1163                 if (!saved)
1164                         title = "*" + title;
1165
1166                 setTitle(title);
1167         }
1168
1169
1170
1171         /**
1172          * Find a currently open BasicFrame containing the specified rocket.  This method
1173          * can be used to map a Rocket to a BasicFrame from GUI methods.
1174          *
1175          * @param rocket the Rocket.
1176          * @return               the corresponding BasicFrame, or <code>null</code> if none found.
1177          */
1178         public static BasicFrame findFrame(Rocket rocket) {
1179                 for (BasicFrame f : frames) {
1180                         if (f.rocket == rocket)
1181                                 return f;
1182                 }
1183                 return null;
1184         }
1185
1186         /**
1187          * Find a currently open document by the rocket object.  This method can be used
1188          * to map a Rocket to OpenRocketDocument from GUI methods.
1189          *
1190          * @param rocket the Rocket.
1191          * @return               the corresponding OpenRocketDocument, or <code>null</code> if not found.
1192          */
1193         public static OpenRocketDocument findDocument(Rocket rocket) {
1194                 for (BasicFrame f : frames) {
1195                         if (f.rocket == rocket)
1196                                 return f.document;
1197                 }
1198                 return null;
1199         }
1200
1201
1202         public static void main(final String[] args) {
1203
1204                 // Run the actual startup method in the EDT since it can use progress dialogs etc.
1205                 try {
1206                         SwingUtilities.invokeAndWait(new Runnable() {
1207                                 @Override
1208                                 public void run() {
1209                                         runMain(args);
1210                                 }
1211                         });
1212                 } catch (InterruptedException e) {
1213                         e.printStackTrace();
1214                 } catch (InvocationTargetException e) {
1215                         e.printStackTrace();
1216                 }
1217
1218         }
1219
1220
1221         private static void runMain(String[] args) {
1222
1223                 // Initialize the splash screen with version info
1224                 Splash.init();
1225
1226
1227                 // Start update info fetching
1228                 final UpdateInfoRetriever updateInfo;
1229                 if (Prefs.getCheckUpdates()) {
1230                         updateInfo = new UpdateInfoRetriever();
1231                         updateInfo.start();
1232                 } else {
1233                         updateInfo = null;
1234                 }
1235
1236
1237                 // Set the best available look-and-feel
1238                 GUIUtil.setBestLAF();
1239
1240                 // Set tooltip delay time.  Tooltips are used in MotorChooserDialog extensively.
1241                 ToolTipManager.sharedInstance().setDismissDelay(30000);
1242
1243
1244                 // Setup the uncaught exception handler
1245                 ExceptionHandler.registerExceptionHandler();
1246
1247
1248                 // Load defaults
1249                 Prefs.loadDefaultUnits();
1250
1251
1252                 // Load motors etc.
1253                 Databases.fakeMethod();
1254
1255                 // Starting action (load files or open new document)
1256                 if (!handleCommandLine(args)) {
1257                         newAction();
1258                 }
1259
1260
1261                 // Check whether update info has been fetched or whether it needs more time
1262                 checkUpdateStatus(updateInfo);
1263         }
1264
1265
1266         private static void checkUpdateStatus(final UpdateInfoRetriever updateInfo) {
1267                 if (updateInfo == null)
1268                         return;
1269
1270                 int delay = 1000;
1271                 if (!updateInfo.isRunning())
1272                         delay = 100;
1273
1274                 final Timer timer = new Timer(delay, null);
1275
1276                 ActionListener listener = new ActionListener() {
1277                         private int count = 5;
1278
1279                         @Override
1280                         public void actionPerformed(ActionEvent e) {
1281                                 if (!updateInfo.isRunning()) {
1282                                         timer.stop();
1283
1284                                         String current = Prefs.getVersion();
1285                                         String last = Prefs.getString(Prefs.LAST_UPDATE, "");
1286
1287                                         UpdateInfo info = updateInfo.getUpdateInfo();
1288                                         if (info != null && info.getLatestVersion() != null &&
1289                                                         !current.equals(info.getLatestVersion()) &&
1290                                                         !last.equals(info.getLatestVersion())) {
1291
1292                                                 UpdateInfoDialog infoDialog = new UpdateInfoDialog(info);
1293                                                 infoDialog.setVisible(true);
1294                                                 if (infoDialog.isReminderSelected()) {
1295                                                         Prefs.putString(Prefs.LAST_UPDATE, "");
1296                                                 } else {
1297                                                         Prefs.putString(Prefs.LAST_UPDATE, info.getLatestVersion());
1298                                                 }
1299                                         }
1300                                 }
1301                                 count--;
1302                                 if (count <= 0)
1303                                         timer.stop();
1304                         }
1305                 };
1306                 timer.addActionListener(listener);
1307                 timer.start();
1308         }
1309
1310
1311         /**
1312          * Handles arguments passed from the command line.  This may be used either
1313          * when starting the first instance of OpenRocket or later when OpenRocket is
1314          * executed again while running.
1315          *
1316          * @param args  the command-line arguments.
1317          * @return              whether a new frame was opened or similar user desired action was
1318          *                              performed as a result.
1319          */
1320         public static boolean handleCommandLine(String[] args) {
1321
1322                 // Check command-line for files
1323                 boolean opened = false;
1324                 for (String file : args) {
1325                         if (open(new File(file), null)) {
1326                                 opened = true;
1327                         }
1328                 }
1329                 return opened;
1330         }
1331
1332 }