title: Print generated pdf with GWT
body: <p>I can open a generated jasper pdf report, in new tab with Window.open():</p>
  
  <pre><code>Window.open("report.pdf?traceCode=" + traceCode, "_BLANK", "");
  </code></pre>
  
  <p>If i want print the pdf file by clicking a button, what should i do? (Window.print() will print the entire page)</p>