public void confirmClicked(boolean par1, int par2) {
    if (par1 && par2 == 12) {
      ISaveFormat isaveformat = mc.getSaveLoader();
      isaveformat.flushCache();
      isaveformat.deleteWorldDirectory("Demo_World");
      mc.displayGuiScreen(this);
    } else if (par2 == 13) {
      if (par1) {
        try {
          Class class1 = Class.forName("java.awt.Desktop");
          Object obj = class1.getMethod("getDesktop", new Class[0]).invoke(null, new Object[0]);
          class1
              .getMethod("browse", new Class[] {java.net.URI.class})
              .invoke(obj, new Object[] {new URI(field_104024_v)});
        } catch (Throwable throwable) {
          throwable.printStackTrace();
        }
      }

      mc.displayGuiScreen(this);
    }
  }