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HTML rendering problem #12

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lbalazscs opened this issue Oct 18, 2019 · 2 comments
Closed

HTML rendering problem #12

lbalazscs opened this issue Oct 18, 2019 · 2 comments

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@lbalazscs
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I am using version 0.13 from Maven. The following code illustrates the problem:

public class HTMLProblem {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(HTMLProblem::runOnEDT);
    }

    private static void runOnEDT() {
        try {
//            UIManager.setLookAndFeel("javax.swing.plaf.nimbus.NimbusLookAndFeel");
            UIManager.setLookAndFeel("com.formdev.flatlaf.FlatDarculaLaf");
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException e) {
            e.printStackTrace();
        }

        String msg = "<html>I like <b>bold</b>,"
                + "<br> and I like <i>italic</i>,"
                + "<br> and I like to have"
                + "<br> many lines."
                + "<br> Lots of lines.";
        JOptionPane.showMessageDialog(null, msg);
    }
}

Here's the result, notice how at the end HTML tags are not interpreted anymore:
flatlaf

Here's the correctly rendered result when using Nimbus:
nimbushtml
@DevCharly
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This is because FlatFaf enables JOptionPane's line wrapping (at 80 characters), which splits the HTML text into multiple JLabels. So it is actually a bug in Swing. Anyway I'll fix it in the next release.

You can workaround the issue by disabling line wrapping:

UIManager.put( "OptionPane.maxCharactersPerLine", 0 );

JFormDesigner pushed a commit that referenced this issue Oct 19, 2019
@DevCharly
OptionPane: fixed rendering of longer HTML text (#12)
ffef71d
@JFormDesigner
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thanks, fixed in 0.14

DevCharly added a commit that referenced this issue Sep 3, 2021
@DevCharly
OptionPane: fixed rendering of longer HTML text if it is passed as `S…
b25fcc3 
…tringBuilder`, `StringBuffer`, or any other object that returns HTML text in method `toString()` (similar to issue #12)
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3 participants
@DevCharly @lbalazscs @JFormDesigner