Easy way to study Java :: 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

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