private void showTable(boolean combined) {

    if (!eventsDatabase.getEvents().isEmpty()) {

      AbstractInternalFrame window;

      if (combined) {
        window = new CombinedWindow("All Events", eventsDatabase.getEvents(), null);
      } else {
        window = new TableWindow("All Evetns", eventsDatabase.getEvents());
      }

      window.setVisible(true);

      jCloudTrailViewer.DESKTOP.add(window);

      try {
        window.setSelected(true);
      } catch (java.beans.PropertyVetoException pve) {
      }
    } else {

      JOptionPane.showMessageDialog(
          jCloudTrailViewer.DESKTOP,
          "No Events Loaded!",
          "Data Error",
          JOptionPane.WARNING_MESSAGE);
    }
  }
  ////////////////////////////////////////////////////////////////////////////
  // KeyListener
  ////////////////////////////////////////////////////////////////////////////
  @Override
  public void keyPressed(KeyEvent e) {

    if (e.getKeyCode() == KeyEvent.VK_ENTER) {

      if (!eventsDatabase.getEvents().isEmpty()) {

        String searchCriteria = searchBox.getText().trim();
        if (searchCriteria.length() > 0) {

          filters.setFilterCriteria(searchCriteria);
          List<Event> events = filters.filterEvents(eventsDatabase.getEvents());

          TableWindow window = new TableWindow("Filtered by : " + searchCriteria, events);
          window.setVisible(true);

          jCloudTrailViewer.DESKTOP.add(window);

          try {
            window.setSelected(true);
          } catch (java.beans.PropertyVetoException pve) {
          }
        }
      } else {

        JOptionPane.showMessageDialog(
            jCloudTrailViewer.DESKTOP,
            "No Events Loaded!",
            "Data Error",
            JOptionPane.WARNING_MESSAGE);
      }
    }
  }
  private void showChart() {

    if (!eventsDatabase.getEvents().isEmpty()) {

      ChartData chartData = ChartDialog.showDialog(jCloudTrailViewer.DESKTOP);

      if (chartData != null) {

        ChartWindow chart = new ChartWindow(chartData, eventsDatabase.getEvents());
        chart.setVisible(true);

        jCloudTrailViewer.DESKTOP.add(chart);
      }
    } else {

      JOptionPane.showMessageDialog(
          jCloudTrailViewer.DESKTOP,
          "No Events Loaded!",
          "Data Error",
          JOptionPane.WARNING_MESSAGE);
    }
  }