public void actionPerformed(ActionEvent e) {
    boolean isOffline = !Main.pref.getBoolean(ConfigKeys.OSB_API_OFFLINE);

    // inform the dialog about the connection mode
    dialog.setConnectionMode(isOffline);

    // set the new value in the preferences
    Main.pref.put(ConfigKeys.OSB_API_OFFLINE, isOffline);

    // toggle the tooltip text
    if (e.getSource() != null && e.getSource() instanceof JToggleButton) {
      JToggleButton button = (JToggleButton) e.getSource();
      if (isOffline) {
        button.setToolTipText(MSG_ONLINE);
        if (Main.pref.getBoolean(ConfigKeys.OSB_BUTTON_LABELS)) {
          button.setText(MSG_ONLINE);
        }
      } else {
        button.setToolTipText(MSG_OFFLINE);
        if (Main.pref.getBoolean(ConfigKeys.OSB_BUTTON_LABELS)) {
          button.setText(MSG_OFFLINE);
        }
      }
    }

    if (!isOffline) {
      if (actionQueue.getSize() == 0) {
        dialog.hideQueuePanel();
        return;
      }

      // if we switch to online mode, ask if the queue should be processed
      int result =
          JOptionPane.showConfirmDialog(
              Main.parent,
              tr("You have unsaved changes in your queue. Do you want to submit them now?"),
              tr("OpenStreetBugs"),
              JOptionPane.YES_NO_OPTION);
      if (result == JOptionPane.YES_OPTION) {
        try {
          actionQueue.processQueue();

          // toggle queue panel visibility, if now error occurred
          dialog.hideQueuePanel();

          // refresh, if the api is enabled
          if (!Main.pref.getBoolean(ConfigKeys.OSB_API_DISABLED)) {
            plugin.updateData();
          }
        } catch (Exception e1) {
          System.err.println("Couldn't process action queue");
          e1.printStackTrace();
        }
      }
    } else {
      dialog.showQueuePanel();
    }
  }
 public ToggleConnectionModeAction(OsbDialog osbDialog, OsbPlugin osbPlugin) {
   super(MSG_OFFLINE);
   this.dialog = osbDialog;
   this.plugin = osbPlugin;
   this.actionQueue = osbDialog.getActionQueue();
 }