title: How to get the current opened stage in JavaFX?
body: <p>Is there a way to get the current opened Stage in JavaFX, if there is one open?</p>
  
  <p>Something like this:</p>
  
  <pre><code>Stage newStage = new Stage();
  newStage.initOwner(JavaFx.getCurrentOpenedStage()); //Like this
  </code></pre>