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How to Control Text Wrapping in JOptionPane Dialogs?
- Susan SarandonOriginal
- 2024-11-17 15:21:01848browse
Control Text Wrapping in JOptionPane Dialogs
Introduction
When displaying error messages in Swing applications using JOptionPane, the dialog width tends to extend proportionate to the message length. This can result in excessively wide dialogs.
Solution: Wrap Text with HTML
JOptionPane uses a JLabel to display text. Labels support HTML formatting. By setting the maximum width of the text using CSS, we can wrap the error message.
JOptionPane.showMessageDialog(
this,
"<html><body><p>
In the above code, the width: 200px; style attribute sets the maximum width of the error message text to 200 pixels.
Reference
For more information on using HTML in Swing components, please consult the following resources:
- [How to Use HTML in Swing Components](https://docs.oracle.com/javase/tutorial/uiswing/components/example-htmlincomponents.html)
- [Simple HTML JLabel Example](https://www.codejava.net/java-se/swing/how-to-embed-html-in-jlabel)
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