title: JasperReport : Apply margin to textfield conditionally
body: <p>I want to set a margin-bottom to TextFields based on a condition (let's say : value1 == true).<br>
  I haven't found informations about margins applied on textfields.</p>
  
  <p>Thanks.</p>
  
  <p><a href="https://i.stack.imgur.com/T5MGS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/T5MGS.png" alt="enter image description here"></a></p>