Re: Layout labels with variable text length

From:
Andrew Thompson <andrewthommo@gmail.com>
Newsgroups:
comp.lang.java.gui
Date:
Thu, 13 Aug 2009 19:03:42 -0700 (PDT)
Message-ID:
<7b552f76-31fa-430f-bd8b-7d24708d1629@2g2000prl.googlegroups.com>
On Aug 7, 7:31 pm, Simon <count.numb...@web.de> wrote:

...
I would like to say something like "make the width of the label N
columns and make it as high as necessary". This must be possible
somehow, and it must be a frequently occurring problem, but I have never
seen it discussed anywhere. Any ideas?


This answer needs some style, or at least, it
needs *a* style.

<sscce>
import java.awt.*;
import javax.swing.*;

public class BreakLabelTest {

  static String labelText =
    "Lorem ipsum dolor sit amet, consectetur adipiscing elit. " +
    "Donec elementum porta suscipit. " +
    "</p><p>Sed nec lorem libero. Nulla facilisi. Donec tristique" +
    " lectus eget nibh cursus semper. " +
    "Suspendisse pulvinar enim vel eros imperdiet suscipit." +
    " Morbi et sollicitudin urna.";

  public static void main(String[] args) {

    JFrame f = new JFrame("Line Breaks");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JPanel p = new JPanel(new BorderLayout());

    JTextField tf = new JTextField(15);
    p.add( tf, BorderLayout.NORTH );

    int width = (int)tf.getPreferredSize().getWidth();

    JLabel label = new JLabel(
      "<html><body>" +
      // this does the magic..
      "<div style='width: " + width + "'>" +
      labelText);
    p.add(new JScrollPane(label), BorderLayout.CENTER);
    f.add(p);
    f.pack();
    f.setVisible(true);
  }
}
</sscce>

--
Andrew T.
pscode.org

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