Apply HTML and CSS style to Java Swing component

Question

I have to write a multi-line text inside the header cells of a JTable.

For this reason, I'm using HTML this way (this is an example):

     JTable.getModel().getColumnModel().getColumn(i).setHeaderValue("
    <html>
          <div style='width:100%;height:300px;overflow:hidden'>
               <div style='width:100%;height:150px;overflow:hidden'>
                       text of line 1
               </div>
               <div style='width:100%;height:150px;overflow:hidden'>
                        text of line 2
               </div>
         </div>
   </html>
    ");

I want set the inner div a 100% width and 150px height. But seems that height, width and overflow doesn't work.

What is my error?

The Swing HTML rendering engine (a subset of HTML 3.2) does not support most CSS. I doubt it would handle overflow:hidden. — Andrew Thompson
– Andrew Thompson, Commented Jun 1, 2019 at 13:41
Thank you. I used a <table> because I had to force every line not to break, so I used <td nowrap>, accepted by HTML 3.2 :) — MDP
– MDP, Commented Jun 8, 2019 at 12:33

camickr · Accepted Answer · 2019-06-01 15:16:16Z

1

I have to write a multi-line text inside the header cells of a JTable.

Keep the HTML simple:

setHeaderValue("<html>Line1<br>line2<br>&nbsp</html>");

The above will allow for 3 lines of text (for all columns of the header).

Note: the height of the header is determined by the height of the renderer in the first column.

answered Jun 1, 2019 at 15:16

camickr

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1 Comment

MDP Over a year ago

Thank you for your help. I used a <table> because I had to force every line not to break, so I used <td nowrap>.

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