Displaying Multiline Messages : JOptionPane Dialog « Swing « Java Tutorial






  1. Java Tutorial
  2. Swing
  3. JOptionPane Dialog
Displaying Multiline Messages
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

import javax.swing.JDialog;
import javax.swing.JOptionPane;

public class DisplayingMultilineMessages {

  public static void main(String[] a) {

    String msg = "<html>this is a really long message<br>this is a really long message this is a really long message this is a really long message this is a really long message this is a really long message this is a really long message";

    JOptionPane optionPane = new NarrowOptionPane();
    optionPane.setMessage(msg);
    optionPane.setMessageType(JOptionPane.INFORMATION_MESSAGE);
    JDialog dialog = optionPane.createDialog(null, "Width 100");
    dialog.setVisible(true);
  }
}

class NarrowOptionPane extends JOptionPane {

  NarrowOptionPane() {
  }

  public int getMaxCharactersPerLineCount() {
    return 100;
  }
}








14.56.JOptionPane Dialog
14.56.1.Creating a JOptionPane
14.56.2.The JOptionPane Message Argument is an Object, not a String.
14.56.3.The JOptionPane Message Type and Icon Arguments
14.56.4.The JOptionPane Option Type Argument
14.56.5.The JOptionPane Options and Initial Value Arguments
14.56.6.JOptionPane Option Position Constants
14.56.7.Using JOptionPane to Display a Message
14.56.8.Using JOptionPane to Prompt User Confirmation
14.56.9.Using JOptionPane to prompt user confirmation: a demoUsing JOptionPane to prompt user confirmation: a demo
14.56.10.Using JOptionPane to Obtain User Input
14.56.11.Using JOptionPane with a predefined selectionsUsing JOptionPane with a predefined selections
14.56.12.Display JOptionPane
14.56.13.JOptionPane Utility Class: Get selection from JOptionPaneJOptionPane Utility Class: Get selection from JOptionPane
14.56.14.Message Pop-UpsMessage Pop-Ups
14.56.15.Confirm Pop-UpsConfirm Pop-Ups
14.56.16.Input Pop-UpsInput Pop-Ups
14.56.17.Big value list for JOptionInput DialogBig value list for JOptionInput Dialog
14.56.18.Option Pop-UpsOption Pop-Ups
14.56.19.String Array Option PopupsString Array Option Popups
14.56.20.Complex message argumentsComplex message arguments
14.56.21.Adding Components to the Button Area: Using JOptionPane with a JButton containing a text label and an iconAdding Components to the Button Area: Using JOptionPane with a JButton containing a text label and an icon
14.56.22.Sample JOptionPane in a JDialogSample JOptionPane in a JDialog
14.56.23.Instant Input DialogsInstant Input Dialogs
14.56.24.JOptionPane WARNING_MESSAGEJOptionPane WARNING_MESSAGE
14.56.25.Dialog without parent componentDialog without parent component
14.56.26.To displays a dialog with a list of choices in a drop-down list boxTo displays a dialog with a list of choices in a drop-down list box
14.56.27.Understanding the Message PropertyUnderstanding the Message Property
14.56.28.Using JOptionPane with a JSliderUsing JOptionPane with a JSlider
14.56.29.Displaying Multiline MessagesDisplaying Multiline Messages
14.56.30.Setting JOptionPane button labels to FrenchSetting JOptionPane button labels to French
14.56.31.Tip Of Day Dialog
14.56.32.About dialogAbout dialog
14.56.33.Create a Confirm Dialog Box
14.56.34.Create a Message Dialog Box
14.56.35.Yes no cancel dialog
14.56.36.OK cancel option dialog
14.56.37.Dialog with default options
14.56.38.Customize JOptionPane buttons
14.56.39.Modal dialog with yes/no button
14.56.40.Modal dialog with OK/cancel and a text field
14.56.41.Wait for a click and then quit
14.56.42.Localize a JOptionPane dialog
14.56.43.Modifiable JOptionPane
14.56.44.Customizing a JOptionPane Look and Feel