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.net.URI;
  23 import java.net.URISyntaxException;
  24 import java.net.URL;
  25 import java.net.URLDecoder;
  26 import java.util.ArrayList;
  27 import java.util.Arrays;
  28 import java.util.LinkedList;
  29 import java.util.List;
  30 import java.util.concurrent.ExecutionException;
  31
  32 import javax.swing.Action;
  33 import javax.swing.InputMap;
  34 import javax.swing.JButton;
  35 import javax.swing.JComponent;
  36 import javax.swing.JFileChooser;
  37 import javax.swing.JFrame;
  38 import javax.swing.JMenu;
  39 import javax.swing.JMenuBar;
  40 import javax.swing.JMenuItem;
  41 import javax.swing.JOptionPane;
  42 import javax.swing.JPanel;
  43 import javax.swing.JScrollPane;
  44 import javax.swing.JSeparator;
  45 import javax.swing.JSplitPane;
  46 import javax.swing.JTabbedPane;
  47 import javax.swing.JTextField;
  48 import javax.swing.KeyStroke;
  49 import javax.swing.ListSelectionModel;
  50 import javax.swing.ScrollPaneConstants;
  51 import javax.swing.SwingUtilities;
  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.document.OpenRocketDocument;
  63 import net.sf.openrocket.file.GeneralRocketLoader;
  64 import net.sf.openrocket.file.RocketLoadException;
  65 import net.sf.openrocket.file.RocketLoader;
  66 import net.sf.openrocket.file.RocketSaver;
  67 import net.sf.openrocket.file.openrocket.OpenRocketSaver;
  68 import net.sf.openrocket.gui.StorageOptionChooser;
  69 import net.sf.openrocket.gui.configdialog.ComponentConfigDialog;
  70 import net.sf.openrocket.gui.dialogs.AboutDialog;
  71 import net.sf.openrocket.gui.dialogs.BugReportDialog;
  72 import net.sf.openrocket.gui.dialogs.ComponentAnalysisDialog;
  73 import net.sf.openrocket.gui.dialogs.DebugLogDialog;
  74 import net.sf.openrocket.gui.dialogs.DetailDialog;
  75 import net.sf.openrocket.gui.dialogs.ExampleDesignDialog;
  76 import net.sf.openrocket.gui.dialogs.LicenseDialog;
  77 import net.sf.openrocket.gui.dialogs.MotorDatabaseLoadingDialog;
  78 import net.sf.openrocket.gui.dialogs.SwingWorkerDialog;
  79 import net.sf.openrocket.gui.dialogs.WarningDialog;
  80 import net.sf.openrocket.gui.dialogs.preferences.PreferencesDialog;
  81 import net.sf.openrocket.gui.main.componenttree.ComponentTree;
  82 import net.sf.openrocket.gui.scalefigure.RocketPanel;
  83 import net.sf.openrocket.logging.LogHelper;
  84 import net.sf.openrocket.rocketcomponent.ComponentChangeEvent;
  85 import net.sf.openrocket.rocketcomponent.ComponentChangeListener;
  86 import net.sf.openrocket.rocketcomponent.Rocket;
  87 import net.sf.openrocket.rocketcomponent.RocketComponent;
  88 import net.sf.openrocket.rocketcomponent.Stage;
  89 import net.sf.openrocket.startup.Application;
  90 import net.sf.openrocket.util.BugException;
  91 import net.sf.openrocket.util.GUIUtil;
  92 import net.sf.openrocket.util.Icons;
  93 import net.sf.openrocket.util.MemoryManagement;
  94 import net.sf.openrocket.util.MemoryManagement.MemoryData;
  95 import net.sf.openrocket.util.OpenFileWorker;
  96 import net.sf.openrocket.util.Prefs;
  97 import net.sf.openrocket.util.Reflection;
  98 import net.sf.openrocket.util.SaveFileWorker;
  99 import net.sf.openrocket.util.TestRockets;
 100
 101 public class BasicFrame extends JFrame {
 102         private static final LogHelper log = Application.getLogger();
 103
 104         /**
 105          * The RocketLoader instance used for loading all rocket designs.
 106          */
 107         private static final RocketLoader ROCKET_LOADER = new GeneralRocketLoader();
 108
 109         private static final RocketSaver ROCKET_SAVER = new OpenRocketSaver();
 110
 111
 112         // FileFilters for different types of rocket design files
 113         private static final FileFilter ALL_DESIGNS_FILTER =
 114                         new SimpleFileFilter("All rocket designs (*.ork; *.rkt)",
 115                                         ".ork", ".ork.gz", ".rkt", ".rkt.gz");
 116
 117         private static final FileFilter OPENROCKET_DESIGN_FILTER =
 118                         new SimpleFileFilter("OpenRocket designs (*.ork)", ".ork", ".ork.gz");
 119
 120         private static final FileFilter ROCKSIM_DESIGN_FILTER =
 121                         new SimpleFileFilter("RockSim designs (*.rkt)", ".rkt", ".rkt.gz");
 122
 123
 124
 125
 126         public static final int COMPONENT_TAB = 0;
 127         public static final int SIMULATION_TAB = 1;
 128
 129
 130         /**
 131          * List of currently open frames.  When the list goes empty
 132          * it is time to exit the application.
 133          */
 134         private static final ArrayList<BasicFrame> frames = new ArrayList<BasicFrame>();
 135
 136
 137
 138
 139
 140         /**
 141          * Whether "New" and "Open" should replace this frame.
 142          * Should be set to false on the first rocket modification.
 143          */
 144         private boolean replaceable = false;
 145
 146
 147
 148         private final OpenRocketDocument document;
 149         private final Rocket rocket;
 150
 151         private JTabbedPane tabbedPane;
 152         private RocketPanel rocketpanel;
 153         private ComponentTree tree = null;
 154
 155         private final DocumentSelectionModel selectionModel;
 156         private final TreeSelectionModel componentSelectionModel;
 157         private final ListSelectionModel simulationSelectionModel;
 158
 159         /** Actions available for rocket modifications */
 160         private final RocketActions actions;
 161
 162
 163
 164         /**
 165          * Sole constructor.  Creates a new frame based on the supplied document
 166          * and adds it to the current frames list.
 167          *
 168          * @param document      the document to show.
 169          */
 170         public BasicFrame(OpenRocketDocument document) {
 171                 log.debug("Instantiating new BasicFrame");
 172
 173                 this.document = document;
 174                 this.rocket = document.getRocket();
 175                 this.rocket.getDefaultConfiguration().setAllStages();
 176
 177
 178                 // Set replaceable flag to false at first modification
 179                 rocket.addComponentChangeListener(new ComponentChangeListener() {
 180                         public void componentChanged(ComponentChangeEvent e) {
 181                                 replaceable = false;
 182                                 BasicFrame.this.rocket.removeComponentChangeListener(this);
 183                         }
 184                 });
 185
 186
 187                 // Create the component tree selection model that will be used
 188                 componentSelectionModel = new DefaultTreeSelectionModel();
 189                 componentSelectionModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
 190
 191                 // Obtain the simulation selection model that will be used
 192                 SimulationPanel simulationPanel = new SimulationPanel(document);
 193                 simulationSelectionModel = simulationPanel.getSimulationListSelectionModel();
 194
 195                 // Combine into a DocumentSelectionModel
 196                 selectionModel = new DocumentSelectionModel(document);
 197                 selectionModel.attachComponentTreeSelectionModel(componentSelectionModel);
 198                 selectionModel.attachSimulationListSelectionModel(simulationSelectionModel);
 199
 200
 201                 actions = new RocketActions(document, selectionModel, this);
 202
 203
 204                 log.debug("Constructing the BasicFrame UI");
 205
 206                 // The main vertical split pane
 207                 JSplitPane vertical = new JSplitPane(JSplitPane.VERTICAL_SPLIT, true);
 208                 vertical.setResizeWeight(0.5);
 209                 this.add(vertical);
 210
 211
 212                 // The top tabbed pane
 213                 tabbedPane = new JTabbedPane();
 214                 tabbedPane.addTab("Rocket design", null, designTab());
 215                 tabbedPane.addTab("Flight simulations", null, simulationPanel);
 216
 217                 vertical.setTopComponent(tabbedPane);
 218
 219
 220
 221                 //  Bottom segment, rocket figure
 222
 223                 rocketpanel = new RocketPanel(document);
 224                 vertical.setBottomComponent(rocketpanel);
 225
 226                 rocketpanel.setSelectionModel(tree.getSelectionModel());
 227
 228
 229                 createMenu();
 230
 231
 232                 rocket.addComponentChangeListener(new ComponentChangeListener() {
 233                         public void componentChanged(ComponentChangeEvent e) {
 234                                 setTitle();
 235                         }
 236                 });
 237
 238                 setTitle();
 239                 this.pack();
 240
 241                 Dimension size = Prefs.getWindowSize(this.getClass());
 242                 if (size == null) {
 243                         size = Toolkit.getDefaultToolkit().getScreenSize();
 244                         size.width = size.width * 9 / 10;
 245                         size.height = size.height * 9 / 10;
 246                 }
 247                 this.setSize(size);
 248                 this.addComponentListener(new ComponentAdapter() {
 249                         @Override
 250                         public void componentResized(ComponentEvent e) {
 251                                 Prefs.setWindowSize(BasicFrame.this.getClass(), BasicFrame.this.getSize());
 252                         }
 253                 });
 254                 this.setLocationByPlatform(true);
 255
 256                 GUIUtil.setWindowIcons(this);
 257
 258                 this.validate();
 259                 vertical.setDividerLocation(0.4);
 260                 setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
 261                 addWindowListener(new WindowAdapter() {
 262                         @Override
 263                         public void windowClosing(WindowEvent e) {
 264                                 closeAction();
 265                         }
 266                 });
 267                 frames.add(this);
 268
 269                 log.debug("BasicFrame instantiation complete");
 270         }
 271
 272
 273         /**
 274          * Construct the "Rocket design" tab.  This contains a horizontal split pane
 275          * with the left component the design tree and the right component buttons
 276          * for adding components.
 277          */
 278         private JComponent designTab() {
 279                 JSplitPane horizontal = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true);
 280                 horizontal.setResizeWeight(0.5);
 281
 282
 283                 //  Upper-left segment, component tree
 284
 285                 JPanel panel = new JPanel(new MigLayout("fill, flowy", "", "[grow]"));
 286
 287                 tree = new ComponentTree(document);
 288                 tree.setSelectionModel(componentSelectionModel);
 289
 290                 // Remove JTree key events that interfere with menu accelerators
 291                 InputMap im = SwingUtilities.getUIInputMap(tree, JComponent.WHEN_FOCUSED);
 292                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.CTRL_MASK), null);
 293                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_C, ActionEvent.CTRL_MASK), null);
 294                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_V, ActionEvent.CTRL_MASK), null);
 295                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK), null);
 296                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK), null);
 297                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK), null);
 298                 im.put(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK), null);
 299
 300
 301
 302                 // Double-click opens config dialog
 303                 MouseListener ml = new MouseAdapter() {
 304                         @Override
 305                         public void mousePressed(MouseEvent e) {
 306                                 int selRow = tree.getRowForLocation(e.getX(), e.getY());
 307                                 TreePath selPath = tree.getPathForLocation(e.getX(), e.getY());
 308                                 if (selRow != -1) {
 309                                         if ((e.getClickCount() == 2) && !ComponentConfigDialog.isDialogVisible()) {
 310                                                 // Double-click
 311                                                 RocketComponent c = (RocketComponent) selPath.getLastPathComponent();
 312                                                 ComponentConfigDialog.showDialog(BasicFrame.this,
 313                                                                 BasicFrame.this.document, c);
 314                                         }
 315                                 }
 316                         }
 317                 };
 318                 tree.addMouseListener(ml);
 319
 320                 // Update dialog when selection is changed
 321                 componentSelectionModel.addTreeSelectionListener(new TreeSelectionListener() {
 322                         public void valueChanged(TreeSelectionEvent e) {
 323                                 // Scroll tree to the selected item
 324                                 TreePath path = componentSelectionModel.getSelectionPath();
 325                                 if (path == null)
 326                                         return;
 327                                 tree.scrollPathToVisible(path);
 328
 329                                 if (!ComponentConfigDialog.isDialogVisible())
 330                                         return;
 331                                 RocketComponent c = (RocketComponent) path.getLastPathComponent();
 332                                 ComponentConfigDialog.showDialog(BasicFrame.this,
 333                                                 BasicFrame.this.document, c);
 334                         }
 335                 });
 336
 337                 // Place tree inside scroll pane
 338                 JScrollPane scroll = new JScrollPane(tree);
 339                 panel.add(scroll, "spany, grow, wrap");
 340
 341
 342                 // Buttons
 343                 JButton button = new JButton(actions.getMoveUpAction());
 344                 panel.add(button, "sizegroup buttons, aligny 65%");
 345
 346                 button = new JButton(actions.getMoveDownAction());
 347                 panel.add(button, "sizegroup buttons, aligny 0%");
 348
 349                 button = new JButton(actions.getEditAction());
 350                 panel.add(button, "sizegroup buttons");
 351
 352                 button = new JButton(actions.getNewStageAction());
 353                 panel.add(button, "sizegroup buttons");
 354
 355                 button = new JButton(actions.getDeleteAction());
 356                 button.setIcon(null);
 357                 button.setMnemonic(0);
 358                 panel.add(button, "sizegroup buttons");
 359
 360                 horizontal.setLeftComponent(panel);
 361
 362
 363                 //  Upper-right segment, component addition buttons
 364
 365                 panel = new JPanel(new MigLayout("fill, insets 0", "[0::]"));
 366
 367                 scroll = new JScrollPane(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
 368                                 ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
 369                 scroll.setViewportView(new ComponentAddButtons(document, componentSelectionModel,
 370                                 scroll.getViewport()));
 371                 scroll.setBorder(null);
 372                 scroll.setViewportBorder(null);
 373
 374                 TitledBorder border = new TitledBorder("Add new component");
 375                 border.setTitleFont(border.getTitleFont().deriveFont(Font.BOLD));
 376                 scroll.setBorder(border);
 377
 378                 panel.add(scroll, "grow");
 379
 380                 horizontal.setRightComponent(panel);
 381
 382                 return horizontal;
 383         }
 384
 385
 386
 387         /**
 388          * Creates the menu for the window.
 389          */
 390         private void createMenu() {
 391                 JMenuBar menubar = new JMenuBar();
 392                 JMenu menu;
 393                 JMenuItem item;
 394
 395                 ////  File
 396                 menu = new JMenu("File");
 397                 menu.setMnemonic(KeyEvent.VK_F);
 398                 menu.getAccessibleContext().setAccessibleDescription("File-handling related tasks");
 399                 menubar.add(menu);
 400
 401                 item = new JMenuItem("New", KeyEvent.VK_N);
 402                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));
 403                 item.setMnemonic(KeyEvent.VK_N);
 404                 item.getAccessibleContext().setAccessibleDescription("Create a new rocket design");
 405                 item.setIcon(Icons.FILE_NEW);
 406                 item.addActionListener(new ActionListener() {
 407                         public void actionPerformed(ActionEvent e) {
 408                                 log.user("New... selected");
 409                                 newAction();
 410                                 if (replaceable) {
 411                                         log.info("Closing previous window");
 412                                         closeAction();
 413                                 }
 414                         }
 415                 });
 416                 menu.add(item);
 417
 418                 item = new JMenuItem("Open...", KeyEvent.VK_O);
 419                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK));
 420                 item.getAccessibleContext().setAccessibleDescription("Open a rocket design");
 421                 item.setIcon(Icons.FILE_OPEN);
 422                 item.addActionListener(new ActionListener() {
 423                         public void actionPerformed(ActionEvent e) {
 424                                 log.user("Open... selected");
 425                                 openAction();
 426                         }
 427                 });
 428                 menu.add(item);
 429
 430                 item = new JMenuItem("Open example...");
 431                 item.getAccessibleContext().setAccessibleDescription("Open an example rocket design");
 432                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,
 433                                 ActionEvent.CTRL_MASK | ActionEvent.SHIFT_MASK));
 434                 item.setIcon(Icons.FILE_OPEN_EXAMPLE);
 435                 item.addActionListener(new ActionListener() {
 436                         public void actionPerformed(ActionEvent e) {
 437                                 log.user("Open example... selected");
 438                                 URL[] urls = ExampleDesignDialog.selectExampleDesigns(BasicFrame.this);
 439                                 if (urls != null) {
 440                                         for (URL u : urls) {
 441                                                 log.user("Opening example " + u);
 442                                                 open(u, BasicFrame.this);
 443                                         }
 444                                 }
 445                         }
 446                 });
 447                 menu.add(item);
 448
 449                 menu.addSeparator();
 450
 451                 item = new JMenuItem("Save", KeyEvent.VK_S);
 452                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));
 453                 item.getAccessibleContext().setAccessibleDescription("Save the current rocket design");
 454                 item.setIcon(Icons.FILE_SAVE);
 455                 item.addActionListener(new ActionListener() {
 456                         public void actionPerformed(ActionEvent e) {
 457                                 log.user("Save selected");
 458                                 saveAction();
 459                         }
 460                 });
 461                 menu.add(item);
 462
 463                 item = new JMenuItem("Save as...", KeyEvent.VK_A);
 464                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,
 465                                 ActionEvent.CTRL_MASK | ActionEvent.SHIFT_MASK));
 466                 item.getAccessibleContext().setAccessibleDescription("Save the current rocket design " +
 467                                 "to a new file");
 468                 item.setIcon(Icons.FILE_SAVE_AS);
 469                 item.addActionListener(new ActionListener() {
 470                         public void actionPerformed(ActionEvent e) {
 471                                 log.user("Save as... selected");
 472                                 saveAsAction();
 473                         }
 474                 });
 475                 menu.add(item);
 476
 477                 //              menu.addSeparator();
 478                 menu.add(new JSeparator());
 479
 480                 item = new JMenuItem("Close", KeyEvent.VK_C);
 481                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, ActionEvent.CTRL_MASK));
 482                 item.getAccessibleContext().setAccessibleDescription("Close the current rocket design");
 483                 item.setIcon(Icons.FILE_CLOSE);
 484                 item.addActionListener(new ActionListener() {
 485                         public void actionPerformed(ActionEvent e) {
 486                                 log.user("Close selected");
 487                                 closeAction();
 488                         }
 489                 });
 490                 menu.add(item);
 491
 492                 menu.addSeparator();
 493
 494                 item = new JMenuItem("Quit", KeyEvent.VK_Q);
 495                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, ActionEvent.CTRL_MASK));
 496                 item.getAccessibleContext().setAccessibleDescription("Quit the program");
 497                 item.setIcon(Icons.FILE_QUIT);
 498                 item.addActionListener(new ActionListener() {
 499                         public void actionPerformed(ActionEvent e) {
 500                                 log.user("Quit selected");
 501                                 quitAction();
 502                         }
 503                 });
 504                 menu.add(item);
 505
 506
 507
 508                 ////  Edit
 509                 menu = new JMenu("Edit");
 510                 menu.setMnemonic(KeyEvent.VK_E);
 511                 menu.getAccessibleContext().setAccessibleDescription("Rocket editing");
 512                 menubar.add(menu);
 513
 514
 515                 Action action = document.getUndoAction();
 516                 item = new JMenuItem(action);
 517                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z, ActionEvent.CTRL_MASK));
 518                 item.setMnemonic(KeyEvent.VK_U);
 519                 item.getAccessibleContext().setAccessibleDescription("Undo the previous operation");
 520
 521                 menu.add(item);
 522
 523                 action = document.getRedoAction();
 524                 item = new JMenuItem(action);
 525                 item.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Y, ActionEvent.CTRL_MASK));
 526                 item.setMnemonic(KeyEvent.VK_R);
 527                 item.getAccessibleContext().setAccessibleDescription("Redo the previously undone " +
 528                                 "operation");
 529                 menu.add(item);
 530
 531                 menu.addSeparator();
 532
 533
 534                 item = new JMenuItem(actions.getCutAction());
 535                 menu.add(item);
 536
 537                 item = new JMenuItem(actions.getCopyAction());
 538                 menu.add(item);
 539
 540                 item = new JMenuItem(actions.getPasteAction());
 541                 menu.add(item);
 542
 543                 item = new JMenuItem(actions.getDeleteAction());
 544                 menu.add(item);
 545
 546                 menu.addSeparator();
 547
 548                 item = new JMenuItem("Preferences");
 549                 item.setIcon(Icons.PREFERENCES);
 550                 item.getAccessibleContext().setAccessibleDescription("Setup the application " +
 551                                 "preferences");
 552                 item.addActionListener(new ActionListener() {
 553                         public void actionPerformed(ActionEvent e) {
 554                                 log.user("Preferences selected");
 555                                 PreferencesDialog.showPreferences();
 556                         }
 557                 });
 558                 menu.add(item);
 559
 560
 561
 562
 563                 ////  Analyze
 564                 menu = new JMenu("Analyze");
 565                 menu.setMnemonic(KeyEvent.VK_A);
 566                 menu.getAccessibleContext().setAccessibleDescription("Analyzing the rocket");
 567                 menubar.add(menu);
 568
 569                 item = new JMenuItem("Component analysis", KeyEvent.VK_C);
 570                 item.getAccessibleContext().setAccessibleDescription("Analyze the rocket components " +
 571                                 "separately");
 572                 item.addActionListener(new ActionListener() {
 573                         public void actionPerformed(ActionEvent e) {
 574                                 log.user("Component analysis selected");
 575                                 ComponentAnalysisDialog.showDialog(rocketpanel);
 576                         }
 577                 });
 578                 menu.add(item);
 579
 580
 581                 ////  Debug
 582                 // (shown if openrocket.debug.menu is defined)
 583                 if (System.getProperty("openrocket.debug.menu") != null) {
 584                         menubar.add(makeDebugMenu());
 585                 }
 586
 587
 588
 589                 ////  Help
 590
 591                 menu = new JMenu("Help");
 592                 menu.setMnemonic(KeyEvent.VK_H);
 593                 menu.getAccessibleContext().setAccessibleDescription("Information about OpenRocket");
 594                 menubar.add(menu);
 595
 596
 597
 598                 item = new JMenuItem("License", KeyEvent.VK_L);
 599                 item.getAccessibleContext().setAccessibleDescription("OpenRocket license information");
 600                 item.addActionListener(new ActionListener() {
 601                         public void actionPerformed(ActionEvent e) {
 602                                 log.user("License selected");
 603                                 new LicenseDialog(BasicFrame.this).setVisible(true);
 604                         }
 605                 });
 606                 menu.add(item);
 607
 608                 menu.addSeparator();
 609
 610                 item = new JMenuItem("Bug report", KeyEvent.VK_B);
 611                 item.getAccessibleContext().setAccessibleDescription("Information about reporting " +
 612                                 "bugs in OpenRocket");
 613                 item.addActionListener(new ActionListener() {
 614                         public void actionPerformed(ActionEvent e) {
 615                                 log.user("Bug report selected");
 616                                 BugReportDialog.showBugReportDialog(BasicFrame.this);
 617                         }
 618                 });
 619                 menu.add(item);
 620
 621                 item = new JMenuItem("Debug log");
 622                 item.getAccessibleContext().setAccessibleDescription("View the OpenRocket debug log");
 623                 item.addActionListener(new ActionListener() {
 624                         public void actionPerformed(ActionEvent e) {
 625                                 log.user("Debug log selected");
 626                                 new DebugLogDialog(BasicFrame.this).setVisible(true);
 627                         }
 628                 });
 629                 menu.add(item);
 630
 631                 menu.addSeparator();
 632
 633                 item = new JMenuItem("About", KeyEvent.VK_A);
 634                 item.getAccessibleContext().setAccessibleDescription("About OpenRocket");
 635                 item.addActionListener(new ActionListener() {
 636                         public void actionPerformed(ActionEvent e) {
 637                                 log.user("About selected");
 638                                 new AboutDialog(BasicFrame.this).setVisible(true);
 639                         }
 640                 });
 641                 menu.add(item);
 642
 643
 644                 this.setJMenuBar(menubar);
 645         }
 646
 647
 648         private JMenu makeDebugMenu() {
 649                 JMenu menu;
 650                 JMenuItem item;
 651
 652                 ////  Debug menu
 653                 menu = new JMenu("Debug");
 654                 menu.getAccessibleContext().setAccessibleDescription("OpenRocket debugging tasks");
 655
 656                 item = new JMenuItem("What is this menu?");
 657                 item.addActionListener(new ActionListener() {
 658                         public void actionPerformed(ActionEvent e) {
 659                                 log.user("What is this menu? selected");
 660                                 JOptionPane.showMessageDialog(BasicFrame.this,
 661                                                 new Object[] {
 662                                                                 "The 'Debug' menu includes actions for testing and debugging " +
 663                                                                                 "OpenRocket.", " ",
 664                                                                 "The menu is made visible by defining the system property " +
 665                                                                                 "'openrocket.debug.menu' when starting OpenRocket.",
 666                                                                 "It should not be visible by default." },
 667                                                 "Debug menu", JOptionPane.INFORMATION_MESSAGE);
 668                         }
 669                 });
 670                 menu.add(item);
 671
 672                 menu.addSeparator();
 673
 674                 item = new JMenuItem("Create test rocket");
 675                 item.addActionListener(new ActionListener() {
 676                         @Override
 677                         public void actionPerformed(ActionEvent e) {
 678                                 log.user("Create test rocket selected");
 679                                 JTextField field = new JTextField();
 680                                 int sel = JOptionPane.showOptionDialog(BasicFrame.this, new Object[] {
 681                                                 "Input text key to generate random rocket:",
 682                                                 field
 683                                         }, "Generate random test rocket", JOptionPane.DEFAULT_OPTION,
 684                                                 JOptionPane.QUESTION_MESSAGE, null, new Object[] {
 685                                                                 "Random", "OK"
 686                                 }, "OK");
 687
 688                                 Rocket r;
 689                                 if (sel == 0) {
 690                                         r = new TestRockets(null).makeTestRocket();
 691                                 } else if (sel == 1) {
 692                                         r = new TestRockets(field.getText()).makeTestRocket();
 693                                 } else {
 694                                         return;
 695                                 }
 696
 697                                 OpenRocketDocument doc = new OpenRocketDocument(r);
 698                                 doc.setSaved(true);
 699                                 BasicFrame frame = new BasicFrame(doc);
 700                                 frame.setVisible(true);
 701                         }
 702                 });
 703                 menu.add(item);
 704
 705
 706
 707                 item = new JMenuItem("Create 'Iso-Haisu'");
 708                 item.addActionListener(new ActionListener() {
 709                         @Override
 710                         public void actionPerformed(ActionEvent e) {
 711                                 log.user("Create Iso-Haisu selected");
 712                                 Rocket r = TestRockets.makeIsoHaisu();
 713                                 OpenRocketDocument doc = new OpenRocketDocument(r);
 714                                 doc.setSaved(true);
 715                                 BasicFrame frame = new BasicFrame(doc);
 716                                 frame.setVisible(true);
 717                         }
 718                 });
 719                 menu.add(item);
 720
 721
 722                 item = new JMenuItem("Create 'Big Blue'");
 723                 item.addActionListener(new ActionListener() {
 724                         @Override
 725                         public void actionPerformed(ActionEvent e) {
 726                                 log.user("Create Big Blue selected");
 727                                 Rocket r = TestRockets.makeBigBlue();
 728                                 OpenRocketDocument doc = new OpenRocketDocument(r);
 729                                 doc.setSaved(true);
 730                                 BasicFrame frame = new BasicFrame(doc);
 731                                 frame.setVisible(true);
 732                         }
 733                 });
 734                 menu.add(item);
 735
 736                 menu.addSeparator();
 737
 738
 739                 item = new JMenuItem("Memory statistics");
 740                 item.addActionListener(new ActionListener() {
 741                         @Override
 742                         public void actionPerformed(ActionEvent e) {
 743                                 log.user("Memory statistics selected");
 744
 745                                 // Get discarded but remaining objects (this also runs System.gc multiple times)
 746                                 List<MemoryData> objects = MemoryManagement.getRemainingObjects();
 747                                 StringBuilder sb = new StringBuilder();
 748                                 sb.append("Objects that should have been garbage-collected but have not been:\n");
 749                                 int count = 0;
 750                                 for (MemoryData data : objects) {
 751                                         Object o = data.getReference().get();
 752                                         if (o == null)
 753                                                 continue;
 754                                         sb.append("Age ").append(System.currentTimeMillis() - data.getRegistrationTime())
 755                                                         .append(" ms:  ").append(o).append('\n');
 756                                         count++;
 757                                         // Explicitly null the strong reference to avoid possibility of invisible references
 758                                         o = null;
 759                                 }
 760                                 sb.append("Total: " + count);
 761
 762                                 // Get basic memory stats
 763                                 System.gc();
 764                                 long max = Runtime.getRuntime().maxMemory();
 765                                 long free = Runtime.getRuntime().freeMemory();
 766                                 long used = max - free;
 767                                 String[] stats = new String[4];
 768                                 stats[0] = "Memory usage:";
 769                                 stats[1] = String.format("   Max memory:  %.1f MB", max / 1024.0 / 1024.0);
 770                                 stats[2] = String.format("   Used memory: %.1f MB (%.0f%%)", used / 1024.0 / 1024.0, 100.0 * used / max);
 771                                 stats[3] = String.format("   Free memory: %.1f MB (%.0f%%)", free / 1024.0 / 1024.0, 100.0 * free / max);
 772
 773
 774                                 DetailDialog.showDetailedMessageDialog(BasicFrame.this, stats, sb.toString(),
 775                                                 "Memory statistics", JOptionPane.INFORMATION_MESSAGE);
 776                         }
 777                 });
 778                 menu.add(item);
 779
 780
 781                 item = new JMenuItem("Exhaust memory");
 782                 item.addActionListener(new ActionListener() {
 783                         @Override
 784                         public void actionPerformed(ActionEvent e) {
 785                                 log.user("Exhaust memory selected");
 786                                 LinkedList<byte[]> data = new LinkedList<byte[]>();
 787                                 int count = 0;
 788                                 final int bytesPerArray = 10240;
 789                                 try {
 790                                         while (true) {
 791                                                 byte[] array = new byte[bytesPerArray];
 792                                                 for (int i = 0; i < bytesPerArray; i++) {
 793                                                         array[i] = (byte) i;
 794                                                 }
 795                                                 data.add(array);
 796                                                 count++;
 797                                         }
 798                                 } catch (OutOfMemoryError error) {
 799                                         data = null;
 800                                         long size = bytesPerArray * (long) count;
 801                                         String s = String.format("OutOfMemory occurred after %d iterations (approx. %.1f MB consumed)",
 802                                                         count, size / 1024.0 / 1024.0);
 803                                         log.debug(s, error);
 804                                         JOptionPane.showMessageDialog(BasicFrame.this, s);
 805                                 }
 806                         }
 807                 });
 808                 menu.add(item);
 809
 810
 811                 menu.addSeparator();
 812
 813                 item = new JMenuItem("Exception here");
 814                 item.addActionListener(new ActionListener() {
 815                         @Override
 816                         public void actionPerformed(ActionEvent e) {
 817                                 log.user("Exception here selected");
 818                                 throw new RuntimeException("Testing exception from menu action listener");
 819                         }
 820                 });
 821                 menu.add(item);
 822
 823                 item = new JMenuItem("Exception from EDT");
 824                 item.addActionListener(new ActionListener() {
 825                         public void actionPerformed(ActionEvent e) {
 826                                 log.user("Exception from EDT selected");
 827                                 SwingUtilities.invokeLater(new Runnable() {
 828                                         @Override
 829                                         public void run() {
 830                                                 throw new RuntimeException("Testing exception from " +
 831                                                                 "later invoked EDT thread");
 832                                         }
 833                                 });
 834                         }
 835                 });
 836                 menu.add(item);
 837
 838                 item = new JMenuItem("Exception from other thread");
 839                 item.addActionListener(new ActionListener() {
 840                         public void actionPerformed(ActionEvent e) {
 841                                 log.user("Exception from other thread selected");
 842                                 new Thread() {
 843                                         @Override
 844                                         public void run() {
 845                                                 throw new RuntimeException("Testing exception from " +
 846                                                                 "newly created thread");
 847                                         }
 848                                 }.start();
 849                         }
 850                 });
 851                 menu.add(item);
 852
 853                 item = new JMenuItem("OutOfMemoryError here");
 854                 item.addActionListener(new ActionListener() {
 855                         @Override
 856                         public void actionPerformed(ActionEvent e) {
 857                                 log.user("OutOfMemoryError here selected");
 858                                 throw new OutOfMemoryError("Testing OutOfMemoryError from menu action listener");
 859                         }
 860                 });
 861                 menu.add(item);
 862
 863
 864
 865                 return menu;
 866         }
 867
 868
 869         /**
 870          * Select the tab on the main pane.
 871          *
 872          * @param tab   one of {@link #COMPONENT_TAB} or {@link #SIMULATION_TAB}.
 873          */
 874         public void selectTab(int tab) {
 875                 tabbedPane.setSelectedIndex(tab);
 876         }
 877
 878
 879
 880         private void openAction() {
 881                 JFileChooser chooser = new JFileChooser();
 882
 883                 chooser.addChoosableFileFilter(ALL_DESIGNS_FILTER);
 884                 chooser.addChoosableFileFilter(OPENROCKET_DESIGN_FILTER);
 885                 chooser.addChoosableFileFilter(ROCKSIM_DESIGN_FILTER);
 886                 chooser.setFileFilter(ALL_DESIGNS_FILTER);
 887
 888                 chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
 889                 chooser.setMultiSelectionEnabled(true);
 890                 chooser.setCurrentDirectory(Prefs.getDefaultDirectory());
 891                 int option = chooser.showOpenDialog(this);
 892                 if (option != JFileChooser.APPROVE_OPTION) {
 893                         log.user("Decided not to open files, option=" + option);
 894                         return;
 895                 }
 896
 897                 Prefs.setDefaultDirectory(chooser.getCurrentDirectory());
 898
 899                 File[] files = chooser.getSelectedFiles();
 900                 log.user("Opening files " + Arrays.toString(files));
 901
 902                 for (File file : files) {
 903                         log.info("Opening file: " + file);
 904                         if (open(file, this)) {
 905
 906                                 // Close previous window if replacing
 907                                 if (replaceable && document.isSaved()) {
 908                                         log.info("Closing window because it is replaceable");
 909                                         closeAction();
 910                                         replaceable = false;
 911                                 }
 912                         }
 913                 }
 914         }
 915
 916
 917         /**
 918          * Open a file based on a URL.
 919          * @param url           the file to open.
 920          * @param parent        the parent window for dialogs.
 921          * @return                      <code>true</code> if opened successfully.
 922          */
 923         private static boolean open(URL url, BasicFrame parent) {
 924                 String filename = null;
 925
 926                 // First figure out the file name from the URL
 927
 928                 // Try using URI.getPath();
 929                 try {
 930                         URI uri = url.toURI();
 931                         filename = uri.getPath();
 932                 } catch (URISyntaxException ignore) {
 933                 }
 934
 935                 // Try URL-decoding the URL
 936                 if (filename == null) {
 937                         try {
 938                                 filename = URLDecoder.decode(url.toString(), "UTF-8");
 939                         } catch (UnsupportedEncodingException ignore) {
 940                         }
 941                 }
 942
 943                 // Last resort
 944                 if (filename == null) {
 945                         filename = "";
 946                 }
 947
 948                 // Remove path from filename
 949                 if (filename.lastIndexOf('/') >= 0) {
 950                         filename = filename.substring(filename.lastIndexOf('/') + 1);
 951                 }
 952
 953
 954                 // Open the file
 955                 log.info("Opening file from url=" + url + " filename=" + filename);
 956                 try {
 957                         InputStream is = url.openStream();
 958                         if (open(is, filename, parent)) {
 959                                 // Close previous window if replacing
 960                                 if (parent.replaceable && parent.document.isSaved()) {
 961                                         parent.closeAction();
 962                                         parent.replaceable = false;
 963                                 }
 964                         }
 965                 } catch (IOException e) {
 966                         log.warn("Error opening file" + e);
 967                         JOptionPane.showMessageDialog(parent,
 968                                         "An error occurred while opening the file " + filename,
 969                                         "Error loading file", JOptionPane.ERROR_MESSAGE);
 970                 }
 971
 972                 return false;
 973         }
 974
 975
 976         /**
 977          * Open the specified file from an InputStream in a new design frame.  If an error
 978          * occurs, an error dialog is shown and <code>false</code> is returned.
 979          *
 980          * @param stream        the stream to load from.
 981          * @param filename      the file name to display in dialogs (not set to the document).
 982          * @param parent        the parent component for which a progress dialog is opened.
 983          * @return                      whether the file was successfully loaded and opened.
 984          */
 985         private static boolean open(InputStream stream, String filename, Window parent) {
 986                 OpenFileWorker worker = new OpenFileWorker(stream, ROCKET_LOADER);
 987                 return open(worker, filename, null, parent);
 988         }
 989
 990
 991         /**
 992          * Open the specified file in a new design frame.  If an error occurs, an error
 993          * dialog is shown and <code>false</code> is returned.
 994          *
 995          * @param file          the file to open.
 996          * @param parent        the parent component for which a progress dialog is opened.
 997          * @return                      whether the file was successfully loaded and opened.
 998          */
 999         public static boolean open(File file, Window parent) {
1000                 OpenFileWorker worker = new OpenFileWorker(file, ROCKET_LOADER);
1001                 return open(worker, file.getName(), file, parent);
1002         }
1003
1004
1005         /**
1006          * Open the specified file using the provided worker.
1007          *
1008          * @param worker        the OpenFileWorker that loads the file.
1009          * @param filename      the file name to display in dialogs.
1010          * @param file          the File to set the document to (may be null).
1011          * @param parent
1012          * @return
1013          */
1014         private static boolean open(OpenFileWorker worker, String filename, File file, Window parent) {
1015
1016                 MotorDatabaseLoadingDialog.check(parent);
1017
1018                 // Open the file in a Swing worker thread
1019                 log.info("Starting OpenFileWorker");
1020                 if (!SwingWorkerDialog.runWorker(parent, "Opening file", "Reading " + filename + "...", worker)) {
1021                         // User cancelled the operation
1022                         log.info("User cancelled the OpenFileWorker");
1023                         return false;
1024                 }
1025
1026
1027                 // Handle the document
1028                 OpenRocketDocument doc = null;
1029                 try {
1030
1031                         doc = worker.get();
1032
1033                 } catch (ExecutionException e) {
1034
1035                         Throwable cause = e.getCause();
1036
1037                         if (cause instanceof FileNotFoundException) {
1038
1039                                 log.warn("File not found", cause);
1040                                 JOptionPane.showMessageDialog(parent,
1041                                                 "File not found: " + filename,
1042                                                 "Error opening file", JOptionPane.ERROR_MESSAGE);
1043                                 return false;
1044
1045                         } else if (cause instanceof RocketLoadException) {
1046
1047                                 log.warn("Error loading the file", cause);
1048                                 JOptionPane.showMessageDialog(parent,
1049                                                 "Unable to open file '" + filename + "': "
1050                                                                 + cause.getMessage(),
1051                                                 "Error opening file", JOptionPane.ERROR_MESSAGE);
1052                                 return false;
1053
1054                         } else {
1055
1056                                 throw new BugException("Unknown error when opening file", e);
1057
1058                         }
1059
1060                 } catch (InterruptedException e) {
1061                         throw new BugException("EDT was interrupted", e);
1062                 }
1063
1064                 if (doc == null) {
1065                         throw new BugException("Document loader returned null");
1066                 }
1067
1068
1069                 // Show warnings
1070                 WarningSet warnings = worker.getRocketLoader().getWarnings();
1071                 if (!warnings.isEmpty()) {
1072                         log.info("Warnings while reading file: " + warnings);
1073                         WarningDialog.showWarnings(parent,
1074                                         new Object[] {
1075                                                         "The following problems were encountered while opening " + filename + ".",
1076                                                         "Some design features may not have been loaded correctly."
1077                                         },
1078                                         "Warnings while opening file", warnings);
1079                 }
1080
1081
1082                 // Set document state
1083                 doc.setFile(file);
1084                 doc.setSaved(true);
1085
1086                 // Open the frame
1087                 log.debug("Opening new frame with the document");
1088                 BasicFrame frame = new BasicFrame(doc);
1089                 frame.setVisible(true);
1090
1091                 return true;
1092         }
1093
1094
1095
1096
1097
1098         private boolean saveAction() {
1099                 File file = document.getFile();
1100                 if (file == null) {
1101                         log.info("Document does not contain file, opening save as dialog instead");
1102                         return saveAsAction();
1103                 }
1104                 log.info("Saving document to " + file);
1105
1106                 // Saving RockSim designs is not supported
1107                 if (ROCKSIM_DESIGN_FILTER.accept(file)) {
1108                         file = new File(file.getAbsolutePath().replaceAll(".[rR][kK][tT](.[gG][zZ])?$",
1109                                         ".ork"));
1110
1111                         log.info("Attempting to save in RockSim format, renaming to " + file);
1112                         int option = JOptionPane.showConfirmDialog(this, new Object[] {
1113                                         "Saving designs in RockSim format is not supported.",
1114                                         "Save in OpenRocket format instead (" + file.getName() + ")?"
1115                                 }, "Save " + file.getName(), JOptionPane.YES_NO_OPTION,
1116                                         JOptionPane.QUESTION_MESSAGE, null);
1117                         if (option != JOptionPane.YES_OPTION) {
1118                                 log.user("User chose not to save");
1119                                 return false;
1120                         }
1121
1122                         document.setFile(file);
1123                 }
1124                 return saveAs(file);
1125         }
1126
1127
1128         private boolean saveAsAction() {
1129                 File file = null;
1130
1131                 // TODO: HIGH: what if *.rkt chosen?
1132                 StorageOptionChooser storageChooser =
1133                                 new StorageOptionChooser(document, document.getDefaultStorageOptions());
1134                 JFileChooser chooser = new JFileChooser();
1135                 chooser.setFileFilter(OPENROCKET_DESIGN_FILTER);
1136                 chooser.setCurrentDirectory(Prefs.getDefaultDirectory());
1137                 chooser.setAccessory(storageChooser);
1138                 if (document.getFile() != null)
1139                         chooser.setSelectedFile(document.getFile());
1140
1141                 int option = chooser.showSaveDialog(BasicFrame.this);
1142                 if (option != JFileChooser.APPROVE_OPTION) {
1143                         log.user("User decided not to save, option=" + option);
1144                         return false;
1145                 }
1146
1147                 file = chooser.getSelectedFile();
1148                 if (file == null) {
1149                         log.user("User did not select a file");
1150                         return false;
1151                 }
1152
1153                 Prefs.setDefaultDirectory(chooser.getCurrentDirectory());
1154                 storageChooser.storeOptions(document.getDefaultStorageOptions());
1155
1156                 if (file.getName().indexOf('.') < 0) {
1157                         log.debug("File name does not contain extension, adding .ork");
1158                         String name = file.getAbsolutePath();
1159                         name = name + ".ork";
1160                         file = new File(name);
1161                 }
1162
1163                 if (file.exists()) {
1164                         log.info("File " + file + " exists, confirming overwrite from user");
1165                         int result = JOptionPane.showConfirmDialog(this,
1166                                         "File '" + file.getName() + "' exists.  Do you want to overwrite it?",
1167                                         "File exists", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
1168                         if (result != JOptionPane.YES_OPTION) {
1169                                 log.user("User decided not to overwrite the file");
1170                                 return false;
1171                         }
1172                 }
1173
1174                 return saveAs(file);
1175         }
1176
1177         private boolean saveAs(File file) {
1178                 log.info("Saving document as " + file);
1179                 boolean saved = false;
1180
1181                 if (!StorageOptionChooser.verifyStorageOptions(document, this)) {
1182                         // User cancelled the dialog
1183                         log.user("User cancelled saving in storage options dialog");
1184                         return false;
1185                 }
1186
1187
1188                 SaveFileWorker worker = new SaveFileWorker(document, file, ROCKET_SAVER);
1189
1190                 if (!SwingWorkerDialog.runWorker(this, "Saving file",
1191                                 "Writing " + file.getName() + "...", worker)) {
1192
1193                         // User cancelled the save
1194                         log.user("User cancelled the save, deleting the file");
1195                         file.delete();
1196                         return false;
1197                 }
1198
1199                 try {
1200                         worker.get();
1201                         document.setFile(file);
1202                         document.setSaved(true);
1203                         saved = true;
1204                         setTitle();
1205                 } catch (ExecutionException e) {
1206
1207                         Throwable cause = e.getCause();
1208
1209                         if (cause instanceof IOException) {
1210                                 log.warn("An I/O error occurred while saving " + file, cause);
1211                                 JOptionPane.showMessageDialog(this, new String[] {
1212                                                 "An I/O error occurred while saving:",
1213                                                 e.getMessage() }, "Saving failed", JOptionPane.ERROR_MESSAGE);
1214                                 return false;
1215                         } else {
1216                                 Reflection.handleWrappedException(e);
1217                         }
1218
1219                 } catch (InterruptedException e) {
1220                         throw new BugException("EDT was interrupted", e);
1221                 }
1222
1223                 return saved;
1224         }
1225
1226
1227         private boolean closeAction() {
1228                 if (!document.isSaved()) {
1229                         log.info("Confirming whether to save the design");
1230                         ComponentConfigDialog.hideDialog();
1231                         int result = JOptionPane.showConfirmDialog(this,
1232                                         "Design '" + rocket.getName() + "' has not been saved.  " +
1233                                                         "Do you want to save it?",
1234                                         "Design not saved", JOptionPane.YES_NO_CANCEL_OPTION,
1235                                         JOptionPane.QUESTION_MESSAGE);
1236                         if (result == JOptionPane.YES_OPTION) {
1237                                 // Save
1238                                 log.user("User requested file save");
1239                                 if (!saveAction()) {
1240                                         log.info("File save was interrupted, not closing");
1241                                         return false;
1242                                 }
1243                         } else if (result == JOptionPane.NO_OPTION) {
1244                                 // Don't save: No-op
1245                                 log.user("User requested to discard design");
1246                         } else {
1247                                 // Cancel or close
1248                                 log.user("User cancelled closing, result=" + result);
1249                                 return false;
1250                         }
1251                 }
1252
1253                 // Rocket has been saved or discarded
1254                 log.debug("Disposing window");
1255                 this.dispose();
1256
1257                 ComponentConfigDialog.hideDialog();
1258                 ComponentAnalysisDialog.hideDialog();
1259
1260                 frames.remove(this);
1261                 if (frames.isEmpty()) {
1262                         log.info("Last frame closed, exiting");
1263                         System.exit(0);
1264                 }
1265                 return true;
1266         }
1267
1268
1269
1270         /**
1271          * Open a new design window with a basic rocket+stage.
1272          */
1273         public static void newAction() {
1274                 log.info("New action initiated");
1275
1276                 Rocket rocket = new Rocket();
1277                 Stage stage = new Stage();
1278                 stage.setName("Sustainer");
1279                 rocket.addChild(stage);
1280                 OpenRocketDocument doc = new OpenRocketDocument(rocket);
1281                 doc.setSaved(true);
1282
1283                 BasicFrame frame = new BasicFrame(doc);
1284                 frame.replaceable = true;
1285                 frame.setVisible(true);
1286                 ComponentConfigDialog.showDialog(frame, doc, rocket);
1287         }
1288
1289         /**
1290          * Quit the application.  Confirms saving unsaved designs.  The action of File->Quit.
1291          */
1292         public static void quitAction() {
1293                 log.info("Quit action initiated");
1294                 for (int i = frames.size() - 1; i >= 0; i--) {
1295                         log.debug("Closing frame " + frames.get(i));
1296                         if (!frames.get(i).closeAction()) {
1297                                 // Close canceled
1298                                 log.info("Quit was cancelled");
1299                                 return;
1300                         }
1301                 }
1302                 // Should not be reached, but just in case
1303                 log.error("Should already have exited application");
1304                 System.exit(0);
1305         }
1306
1307
1308         /**
1309          * Set the title of the frame, taking into account the name of the rocket, file it
1310          * has been saved to (if any) and saved status.
1311          */
1312         private void setTitle() {
1313                 File file = document.getFile();
1314                 boolean saved = document.isSaved();
1315                 String title;
1316
1317                 title = rocket.getName();
1318                 if (file != null) {
1319                         title = title + " (" + file.getName() + ")";
1320                 }
1321                 if (!saved)
1322                         title = "*" + title;
1323
1324                 setTitle(title);
1325         }
1326
1327
1328
1329         /**
1330          * Find a currently open BasicFrame containing the specified rocket.  This method
1331          * can be used to map a Rocket to a BasicFrame from GUI methods.
1332          *
1333          * @param rocket the Rocket.
1334          * @return               the corresponding BasicFrame, or <code>null</code> if none found.
1335          */
1336         public static BasicFrame findFrame(Rocket rocket) {
1337                 for (BasicFrame f : frames) {
1338                         if (f.rocket == rocket) {
1339                                 log.debug("Found frame " + f + " for rocket " + rocket);
1340                                 return f;
1341                         }
1342                 }
1343                 log.debug("Could not find frame for rocket " + rocket);
1344                 return null;
1345         }
1346
1347         /**
1348          * Find a currently open document by the rocket object.  This method can be used
1349          * to map a Rocket to OpenRocketDocument from GUI methods.
1350          *
1351          * @param rocket the Rocket.
1352          * @return               the corresponding OpenRocketDocument, or <code>null</code> if not found.
1353          */
1354         public static OpenRocketDocument findDocument(Rocket rocket) {
1355                 BasicFrame frame = findFrame(rocket);
1356                 if (frame != null) {
1357                         return frame.document;
1358                 } else {
1359                         return null;
1360                 }
1361         }
1362 }