public void transitionTo(final ScanningState state, final Transition transition) {
    if (statusBar.isDisposed() || transition == Transition.INIT) return;

    // TODO: separate GUI and non-GUI stuff
    switch (state) {
      case IDLE:
        // reset state text
        button.setEnabled(true);
        updateProgress(null, 0, 0);
        statusBar.setStatusText(null);
        break;
      case STARTING:
        // start the scan from scratch!
        resultTable.removeAll();
        try {
          scannerThread =
              scannerThreadFactory.createScannerThread(
                  feederRegistry.createFeeder(),
                  StartStopScanningAction.this,
                  createResultsCallback(state));
          stateMachine.startScanning();
          mainWindowTitle = statusBar.getShell().getText();
        } catch (RuntimeException e) {
          stateMachine.reset();
          throw e;
        }
        break;
      case RESTARTING:
        // restart the scanning - rescan
        resultTable.resetSelection();
        try {
          scannerThread =
              scannerThreadFactory.createScannerThread(
                  feederRegistry.createRescanFeeder(resultTable.getSelection()),
                  StartStopScanningAction.this,
                  createResultsCallback(state));
          stateMachine.startScanning();
          mainWindowTitle = statusBar.getShell().getText();
        } catch (RuntimeException e) {
          stateMachine.reset();
          throw e;
        }
        break;
      case SCANNING:
        scannerThread.start();
        break;
      case STOPPING:
        statusBar.setStatusText(Labels.getLabel("state.waitForThreads"));
        break;
      case KILLING:
        button.setEnabled(false);
        statusBar.setStatusText(Labels.getLabel("state.killingThreads"));
        break;
    }
    // change button image
    button.setImage(buttonImages[state.ordinal()]);
    button.setText(buttonTexts[state.ordinal()]);
  }
示例#2
0
    public void handleEvent(Event event) {
      InputDialog dialog =
          new InputDialog(Labels.getLabel("title.find"), Labels.getLabel("text.find"));
      String text = dialog.open(lastText, Labels.getLabel("button.find.next"));
      if (text == null) {
        return;
      }
      lastText = text;

      try {
        statusBar.setStatusText(Labels.getLabel("state.searching"));
        findText(text, statusBar.getShell());
      } finally {
        statusBar.setStatusText(null);
      }
    }