71 lines
2.1 KiB
Java
71 lines
2.1 KiB
Java
Using JInternalFrame
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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import javax.swing.event.*;
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public class IframeApp extends JFrame implements ActionListener,InternalFrameListener {
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JMenuBar bar = new JMenuBar();
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JMenu fileMenu = new JMenu("File");
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JMenuItem newItem = new JMenuItem("New");
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JDesktopPane desktop = new JDesktopPane();
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int iFrameCount = 0;
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public IframeApp() {
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super("IframeApp");
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fileMenu.add(newItem);
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newItem.addActionListener(this);
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bar.add(fileMenu);
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setJMenuBar(bar);
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getContentPane().add(desktop);
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this.addWindowListener (new WindowAdapter(){
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public void windowClosing(WindowEvent e){
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dispose();
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System.exit(0);
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}
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});
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}
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public void actionPerformed(ActionEvent e) {
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Object source = e.getSource();
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if(source == newItem) {
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++iFrameCount;
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IFrame iFrame = new IFrame("Untitled "+iFrameCount);
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iFrame.addInternalFrameListener(this);
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desktop.add(iFrame);
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}
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}
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public void internalFrameOpened(InternalFrameEvent e) {
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}
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public void internalFrameClosing(InternalFrameEvent e) {
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}
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public void internalFrameClosed(InternalFrameEvent e) {
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}
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public void internalFrameIconified(InternalFrameEvent e) {
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}
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public void internalFrameDeiconified(InternalFrameEvent e) {
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}
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public void internalFrameActivated(InternalFrameEvent e) {
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JInternalFrame sourceFrame =(JInternalFrame)e.getSource();
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setTitle("IframeApp ["+sourceFrame.getTitle()+"]");
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}
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public void internalFrameDeactivated(InternalFrameEvent e) {
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}
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public static void main(String args[]) {
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System.out.println("Starting App");
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IframeApp f = new IframeApp();
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f.setSize(400,400);
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f.show();
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}
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}
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