BoxLayout demo 1 : Layout « Swing JFC « Java

BoxLayout demo 1

BoxLayout demo 1

import java.awt.Container;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.Box;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;

public class BoxLayoutTest extends JFrame implements ActionListener {

  private Box horizontalBox;

  private Box verticalBox;

  private Box horizontalStrutsAndGlueBox;

  private Box verticalStrutsAndGlueBox;

  private Box currentBox;

  private JCheckBox strutsAndGlueCheckBox;

  private JRadioButton horizontalButton;

  private JRadioButton verticalButton;

  public BoxLayoutTest() {
    setSize(300, 300);
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {

    horizontalBox = createBox(true, false);
    verticalBox = createBox(false, false);
    horizontalStrutsAndGlueBox = createBox(true, true);
    verticalStrutsAndGlueBox = createBox(false, true);

    JPanel panel = new JPanel();
    panel.setLayout(new GridLayout(3, 1, 3, 3));
    ButtonGroup directionGroup = new ButtonGroup();

    horizontalButton = addRadioButton(panel, directionGroup, "Horizontal",
    verticalButton = addRadioButton(panel, directionGroup, "Vertical",
    strutsAndGlueCheckBox = addCheckBox(panel, "Struts and Glue");

    Container contentPane = getContentPane();
    contentPane.add(panel, "South");
    contentPane.add(horizontalBox, "Center");
    currentBox = horizontalBox;

  public Box createBox(boolean horizontal, boolean strutsAndGlue) {
    Box b;
    if (horizontal)
      b = Box.createHorizontalBox();
      b = Box.createVerticalBox();

    b.add(new JLabel("Name: "));
    b.add(new JTextField());

    if (strutsAndGlue)
      if (horizontal)

    b.add(new JLabel("Password: "));
    b.add(new JTextField());

    if (strutsAndGlue)

    b.add(new JButton("Ok"));

    return b;

  public JRadioButton addRadioButton(JPanel p, ButtonGroup g, String name,
      boolean selected) {
    JRadioButton button = new JRadioButton(name, selected);
    return button;

  public JCheckBox addCheckBox(JPanel p, String name) {
    JCheckBox checkBox = new JCheckBox(name);
    return checkBox;

  public void actionPerformed(ActionEvent evt) {
    Container contentPane = getContentPane();

    if (horizontalButton.isSelected()) {
      if (strutsAndGlueCheckBox.isSelected()) {
        currentBox = horizontalStrutsAndGlueBox;
      } else {
        currentBox = horizontalBox;
    } else {
      if (strutsAndGlueCheckBox.isSelected()) {
        currentBox = verticalStrutsAndGlueBox;
      } else {
        currentBox = verticalBox;


    contentPane.add(currentBox, "Center");

  public static void main(String[] args) {
    JFrame f = new BoxLayoutTest();;


Related examples in the same category

1.Laying Out Components in a Flow (Left-to-Right, Top-to-Bottom)
2.Use FlowLayout to hold checkBox, Label and TextField
3.Vertical and horizontal BoxLayoutsVertical and horizontal BoxLayouts
4.Box Layout: Adding struts.Box Layout: Adding struts.
5.Using GlueUsing Glue
6.Rigid areas are like pairs of strutsRigid areas are like pairs of struts
7.Demonstrates BorderLayoutDemonstrates BorderLayout
8.Demonstrates GridLayoutDemonstrates GridLayout
9.Demonstrates FlowLayoutDemonstrates FlowLayout
10.A test of the BoxLayout manager using the Box utility classA test of the BoxLayout manager using the Box utility class
11.A test of the box layout manager using the Box utility class 2A test of the box layout manager using the Box utility class 2
12.A test of the OverlayLayout manager allowing experimentationA test of the OverlayLayout manager allowing experimentation
13.Box layout manager using the Box utility classBox layout manager using the Box utility class
14.A demonstration of the SpringLayout class
15.A test of the BoxLayout manager using the Box utility class 3A test of the BoxLayout manager using the Box utility class 3
16.BoxLayout AlignmentBoxLayout Alignment
17.BoxLayout alignment 2BoxLayout alignment 2
18.BoxLayout Component alignmentBoxLayout Component alignment
19.BoxLayout X Y alignmentBoxLayout X Y alignment
20.BoxLayout: Glue SampleBoxLayout: Glue Sample
21.Layout: Overlay SampleLayout: Overlay Sample
22.BoxLayout: setAlignmentX setAlignmentYBoxLayout: setAlignmentX setAlignmentY
23.Component AlignmentComponent Alignment
24.GridLayout Demo 3GridLayout Demo 3
25.BoxLayout SampleBoxLayout Sample
26.BoxLayout Demo 3BoxLayout Demo 3
27.Various layoutsVarious layouts
28.BoxLayout Demo 4BoxLayout Demo 4
29.GridLayout DemoGridLayout Demo
30.CardLayout DemoCardLayout Demo
31.Using CardLayout
32.Laying Out a Screen with CardLayoutLaying Out a Screen with CardLayout
33.Laying out a screen with SpringLayoutLaying out a screen with SpringLayout
34.BorderLayout PaneBorderLayout Pane
35.Add buttons to all parts of a BorderLayout
36.A BorderLayout divides the space into five regions: North, West, South, East and Centre.
37.A typical usage of a border layout manager.
38.BoxLayout PaneBoxLayout Pane
39.FlowLayout PaneFlowLayout Pane
40.GridLayout PaneGridLayout Pane
41.Laying Out Components in a Grid
42.NullLayout PaneNullLayout Pane
43.Without layout manager, we position components using absolute values.
44.Simpler CardLayout demo
45.Use SpringLayout to create a single row of componentsUse SpringLayout to create a single row of components
46. Spring Demo 1 Spring Demo 1
47.Spring Demo 2Spring Demo 2
48.Spring Demo 3Spring Demo 3
49.Spring Demo 4Spring Demo 4
50.Spring Compact GridSpring Compact Grid
51.Spring Form Spring Form
52.SpringLayout Utilities
53.Absolute Layout DemoAbsolute Layout Demo
54.A horizontal layout layout manager that allocates horizontal space in specified proportions
55.Laying Out Components Using Absolute Coordinates
56.A vertical layout manager similar to java.awt.FlowLayout
57.A JTextField for displaying insets.
58.A layout manager that lays out components along a circleA layout manager that lays out components along a circle
59.A frame that uses a group layout to arrange font selection components
60.Utility methods for creating form- or grid-style layouts with SpringLayout.
61.A vertical flow layout is similar to a flow layuot but it layouts the components vertically instead of horizontally.