Java JInternalframe Class Example

JINTERNALFRAME

Java Swing Tutorial Explaining the JInternalFrame class. A JInternalFrame is confined to a visible area of a container it is placed in. JInternalFrame a top level swing component that has a contentpane.

• It can be iconified — in this case the icon remains in the main application container.
• It can be maximized — Frame consumes the main application
• It can be closed using standard popup window controls
• It can be layered

JINTERNALFRAME SOURCE CODE

import javax.swing.JInternalFrame;
import javax.swing.JDesktopPane;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JMenuBar;
import javax.swing.JFrame;
import java.awt.event.*;
import java.awt.*;

public class JInternalFrameDemo extends JFrame {

 JDesktopPane jdpDesktop;
 static int openFrameCount = 0;
 public JInternalFrameDemo() {
  super("JInternalFrame Usage Demo");
  // Make the main window positioned as 50 pixels from each edge of the
  // screen.
  int inset = 50;
  Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
  setBounds(inset, inset, screenSize.width - inset * 2,
    screenSize.height - inset * 2);
  // Add a Window Exit Listener
  addWindowListener(new WindowAdapter() {

   public void windowClosing(WindowEvent e) {
    System.exit(0);
   }
  });
  // Create and Set up the GUI.
  jdpDesktop = new JDesktopPane();
  // A specialized layered pane to be used with JInternalFrames
  createFrame(); // Create first window
  setContentPane(jdpDesktop);
  setJMenuBar(createMenuBar());
  // Make dragging faster by setting drag mode to Outline
  jdpDesktop.putClientProperty("JDesktopPane.dragMode", "outline");
 }
 protected JMenuBar createMenuBar() {
  JMenuBar menuBar = new JMenuBar();
  JMenu menu = new JMenu("Frame");
  menu.setMnemonic(KeyEvent.VK_N);
  JMenuItem menuItem = new JMenuItem("New IFrame");
  menuItem.setMnemonic(KeyEvent.VK_N);
  menuItem.addActionListener(new ActionListener() {

   public void actionPerformed(ActionEvent e) {
    createFrame();
   }
  });
  menu.add(menuItem);
  menuBar.add(menu);
  return menuBar;
 }
 protected void createFrame() {
  MyInternalFrame frame = new MyInternalFrame();
  frame.setVisible(true);
  // Every JInternalFrame must be added to content pane using JDesktopPane
  jdpDesktop.add(frame);
  try {
   frame.setSelected(true);
  } catch (java.beans.PropertyVetoException e) {
  }
 }
 public static void main(String[] args) {
  JInternalFrameDemo frame = new JInternalFrameDemo();
  frame.setVisible(true);
 }
 class MyInternalFrame extends JInternalFrame {

  static final int xPosition = 30, yPosition = 30;
  public MyInternalFrame() {
   super("IFrame #" + (++openFrameCount), true, // resizable
     true, // closable
     true, // maximizable
     true);// iconifiable
   setSize(300, 300);
   // Set the window's location.
   setLocation(xPosition * openFrameCount, yPosition
     * openFrameCount);
  }
 }
}

Output

Download JInternalFrame Source Code

JAVA JINTERNALFRAME HIERARCHY

javax.swing
Class JInternalFrame 
java.lang.Object
|
+–java.awt.Component
|
+–java.awt.Container
|
+–javax.swing.JComponent
|
+–javax.swing.JInternalFrame
All Implemented Interfaces: 
Accessible, ImageObserver, MenuContainer, RootPaneContainer, Serializable, WindowConstants

JINTERNALFRAME CONSTRUCTOR

JInternalFrame()
Creates a non-resizable, non-closable, non-maximizable, non-iconifiable JInternalFrame with no title.
JInternalFrame(String title)
Creates a non-resizable, non-closable, non-maximizable, non-iconifiable JInternalFrame with the specified title.

JInternalFrame(String title, boolean resizable)
Creates a non-closable, non-maximizable, non-iconifiable JInternalFrame with the specified title and resizability.

JInternalFrame(String title, boolean resizable, boolean closable)
Creates a non-maximizable, non-iconifiable JInternalFrame with the specified title, resizability, and closability.

JInternalFrame(String title, boolean resizable, boolean closable, boolean maximizable)
Creates a non-iconifiable JInternalFrame with the specified title, resizability, closability, and maximizability.

JInternalFrame(String title, boolean resizable, boolean closable, boolean maximizable, boolean iconifiable)
Creates a JInternalFrame with the specified title, resizability, closability, maximizability