How to use

canRemove

method

in

org.microemu.app.util.DeviceEntry

  public void valueChanged(ListSelectionEvent ev) {
    DeviceEntry entry = (DeviceEntry) lsDevices.getSelectedValue();
    if (entry != null) {
      if (entry.isDefaultDevice()) {
        btDefault.setEnabled(false);
      } else {
        btDefault.setEnabled(true);
      }
      if (entry.canRemove()) {
        btRemove.setEnabled(true);
      } else {
        btRemove.setEnabled(false);
      }
      btOk.setEnabled(true);
    } else {
      btDefault.setEnabled(false);
      btRemove.setEnabled(false);
      btOk.setEnabled(false);
    }
  }
};

  public void widgetSelected(SelectionEvent e) 
  {
    int index = lsDevices.getSelectionIndex();
    if (index != -1) {
      selectedEntry = (DeviceEntry) deviceModel.elementAt(index);
      if (selectedEntry.isDefaultDevice()) {
        btDefault.setEnabled(false);
      } else {
        btDefault.setEnabled(true);
      }
      if (selectedEntry.canRemove()) {
        btRemove.setEnabled(true);
      } else {
        btRemove.setEnabled(false);
      }
      btOk.setEnabled(true);
    } else {
      selectedEntry = null;
      btDefault.setEnabled(false);
      btRemove.setEnabled(false);
      btOk.setEnabled(false);
    }
  }
};

  public void actionPerformed(ActionEvent ev) {
    DeviceEntry entry = (DeviceEntry) lsDevices.getSelectedValue();
    boolean canDeleteFile = true;
    for (Enumeration en = lsDevicesModel.elements(); en.hasMoreElements();) {
      DeviceEntry test = (DeviceEntry) en.nextElement();
      if (test != entry && test.getFileName() != null && test.getFileName().equals(entry.getFileName())) {
        canDeleteFile = false;
        break;
      }
    }
    if (canDeleteFile) {
      File deviceFile = new File(Config.getConfigPath(), entry.getFileName());
      deviceFile.delete();
    }
    if (entry.isDefaultDevice()) {
      for (Enumeration en = lsDevicesModel.elements(); en.hasMoreElements();) {
        DeviceEntry tmp = (DeviceEntry) en.nextElement();
        if (!tmp.canRemove()) {
          tmp.setDefaultDevice(true);
          break;
        }
      }
    }
    lsDevicesModel.removeElement(entry);
    Config.removeDeviceEntry(entry);
  }
};

for (int i = 0; i < deviceModel.size(); i++) {
  DeviceEntry tmp = (DeviceEntry) deviceModel.elementAt(i);
  if (!tmp.canRemove()) {
    tmp.setDefaultDevice(true);
    lsDevices.setItem(i, tmp.getName() + " (default)");						

if (!entry.canRemove()) {
  continue;