git.gag.com Git - debian/openrocket/blob - src/net/sf/openrocket/gui/dialogs/MotorDatabaseLoadingDialog.java

   1 package net.sf.openrocket.gui.dialogs;
   2
   3 import java.awt.Window;
   4 import java.awt.event.ActionEvent;
   5 import java.awt.event.ActionListener;
   6
   7 import javax.swing.JDialog;
   8 import javax.swing.JLabel;
   9 import javax.swing.JPanel;
  10 import javax.swing.JProgressBar;
  11 import javax.swing.Timer;
  12
  13 import net.miginfocom.swing.MigLayout;
  14 import net.sf.openrocket.database.ThrustCurveMotorSetDatabase;
  15 import net.sf.openrocket.l10n.Translator;
  16 import net.sf.openrocket.logging.LogHelper;
  17 import net.sf.openrocket.startup.Application;
  18 import net.sf.openrocket.util.GUIUtil;
  19
  20 public class MotorDatabaseLoadingDialog extends JDialog {
  21         private static final LogHelper log = Application.getLogger();
  22         private static final Translator trans = Application.getTranslator();
  23
  24
  25         private MotorDatabaseLoadingDialog(Window parent) {
  26                 //// Loading motors
  27                 super(parent, trans.get("MotorDbLoadDlg.title"), ModalityType.APPLICATION_MODAL);
  28
  29                 JPanel panel = new JPanel(new MigLayout("fill"));
  30                 //// Loading motors...
  31                 panel.add(new JLabel(trans.get("MotorDbLoadDlg.Loadingmotors")), "wrap para");
  32
  33                 JProgressBar progress = new JProgressBar();
  34                 progress.setIndeterminate(true);
  35                 panel.add(progress, "growx");
  36
  37                 this.add(panel);
  38                 this.pack();
  39                 this.setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
  40                 this.setLocationByPlatform(true);
  41                 GUIUtil.setWindowIcons(this);
  42         }
  43
  44
  45         /**
  46          * Check whether the motor database is loaded and block until it is.
  47          * An uncloseable modal dialog window is opened while loading.
  48          *
  49          * @param parent        the parent window for the dialog, or <code>null</code>
  50          */
  51         public static void check(Window parent) {
  52                 final ThrustCurveMotorSetDatabase db = Application.getMotorSetDatabase();
  53                 if (db.isLoaded())
  54                         return;
  55
  56                 log.info(1, "Motor database not loaded yet, displaying dialog");
  57
  58                 final MotorDatabaseLoadingDialog dialog = new MotorDatabaseLoadingDialog(parent);
  59
  60                 final Timer timer = new Timer(100, new ActionListener() {
  61                         private int count = 0;
  62
  63                         @Override
  64                         public void actionPerformed(ActionEvent e) {
  65                                 count++;
  66                                 if (db.isLoaded()) {
  67                                         log.debug("Database loaded, closing dialog");
  68                                         dialog.setVisible(false);
  69                                 } else if (count % 10 == 0) {
  70                                         log.debug("Database not loaded, count=" + count);
  71                                 }
  72                         }
  73                 });
  74
  75                 db.setInUse();
  76                 timer.start();
  77                 dialog.setVisible(true);
  78                 timer.stop();
  79
  80                 log.debug("Motor database now loaded");
  81         }
  82
  83 }