Yes. You know that you can put any Object into the Object parameter of most JOptionPane.showXXX methods, and often that Object happens to be a JPanel. In your situation, perhaps you could use a JPanel that has several JTextFields in it: import javax.swing.*; public class JOptionPaneMultiInput { public static void main(String[] args) { JTextField xField … Read more
As shown in this related example, you can override the viewport’s preferred size. import java.awt.Dimension; import java.awt.EventQueue; import javax.swing.GroupLayout; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextField; import javax.swing.SwingConstants; /** * @see https://stackoverflow.com/a/14858272/230513 * @see https://stackoverflow.com/a/8504753/230513 * @see https://stackoverflow.com/a/14011536/230513 */ public class DynamicGroupLayout { private static final int NUM = 30; private JTextField[] … Read more
A JOptionPane will use a JLabel to display text by default. A label will format HTML. Set the maximum width in CSS. JOptionPane.showMessageDialog( this, “<html><body><p style=”width: 200px;”>”+exp.getMessage()+”</p></body></html>”, “Error”, JOptionPane.ERROR_MESSAGE); More generally, see How to Use HTML in Swing Components, as well as this simple example of using HTML in JLabel.
You can run a ProcessBuilder in the background of a SwingWorker, as shown below, to get both output and a progress bar. import java.awt.BorderLayout; import java.awt.EventQueue; import java.awt.event.*; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import javax.swing.*; /** * @se http://stackoverflow.com/a/20603012/230513 * @see http://stackoverflow.com/a/17763395/230513 */ public class SwingWorkerExample { private final JLabel statusLabel = new JLabel(“Status: … Read more