/**
* Enclose a string in HTML paragraph indicators, optionally with a color. And repaint the label
* so it shows up. This is "package-private" because, since the anonymous inner class below needs
* it, we can't make it private. If no color is specified, we'll make it white, because the
* label's background color is black.
*
* @param paragraph the string to enclose
* @param color the color to make it, or the empty string if none.
*/
private void printParagraph(final String paragraph, final StreamingLabel.LabelTextColor color) {
try (final PrintWriter writer = label.getWriter()) {
// This is safe because StringWriter.close() does nothing.
writer.print("<p style=\"color:");
writer.print(color);
writer.print("\">");
writer.print(paragraph);
writer.println("</p>");
}
// At one point we called updateText on the label.
label.repaint();
}
/** @return a diagnostic String */
@Override
public String toString() {
return "MapCheckerFrame showing: " + label.getText();
}