Java by API/javax.swing/JDesktopPane

JDesktopPane: add(Component comp,int index)

 
import java.awt.BorderLayout;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JLayeredPane;
public class MainClass {
  public static void main(String args[]) {
    JFrame f = new JFrame("Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JLayeredPane desktop = new JDesktopPane();
    desktop.setOpaque(false);
    desktop.add(new SelfInternalFrame("1"), JLayeredPane.POPUP_LAYER);
    f.add(desktop, BorderLayout.CENTER);
    f.setSize(300, 200);
    f.setVisible(true);
  }
}
class SelfInternalFrame extends JInternalFrame {
  public SelfInternalFrame(String s) {
    getContentPane().add(new JLabel(s), BorderLayout.CENTER);
    setBounds(50, 50, 100, 100);
    setResizable(true);
    setClosable(true);
    setMaximizable(true);
    setIconifiable(true);
    setTitle(s);
    setVisible(true);
  }
}

JDesktopPane: getDesktopManager()

  
import java.awt.BorderLayout;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
public class Main {
  public static void main(final String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JDesktopPane desktop = new JDesktopPane();
    JInternalFrame internalFrame = new JInternalFrame("Can Do All", true, true, true, true);
    desktop.add(internalFrame);
    internalFrame.setBounds(25, 25, 200, 100);
    JLabel label = new JLabel(internalFrame.getTitle(), JLabel.CENTER);
    internalFrame.add(label, BorderLayout.CENTER);
    internalFrame.setVisible(true);
    desktop.getDesktopManager().maximizeFrame(internalFrame);
    frame.add(desktop, BorderLayout.CENTER);
    frame.setSize(500, 300);
    frame.setVisible(true);
  }
}

JDesktopPane.OUTLINE_DRAG_MODE

 
import java.awt.BorderLayout;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.event.InternalFrameAdapter;
import javax.swing.event.InternalFrameEvent;
import javax.swing.event.InternalFrameListener;
public class MainClass {
  public static void main(final String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JDesktopPane desktop = new JDesktopPane();
    JInternalFrame internalFrames[] = {
        new JInternalFrame("Can Do All", true, true, true, true),
        new JInternalFrame("Not Resizable", false, true, true, true),
        new JInternalFrame("Not Closable", true, false, true, true),
        new JInternalFrame("Not Maximizable", true, true, false, true),
        new JInternalFrame("Not Iconifiable", true, true, true, false) };
    int pos = 0;
    for (JInternalFrame internalFrame : internalFrames) {
      desktop.add(internalFrame);
      internalFrame.setBounds(pos * 25, pos * 25, 200, 100);
      pos++;
     
      JLabel label = new JLabel(internalFrame.getTitle(), JLabel.CENTER);
      internalFrame.add(label, BorderLayout.CENTER);
      internalFrame.setVisible(true);
    }
    desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
    
    
    frame.add(desktop, BorderLayout.CENTER);
    frame.setSize(500, 300);
    frame.setVisible(true);
  }
}

JDesktopPane.PALETTE_LAYER

 
import java.awt.BorderLayout;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
public class MainClass {
  public static void main(final String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JDesktopPane desktop = new JDesktopPane();
    JInternalFrame palette = new JInternalFrame("Palette", true, false, true,
        false);
    palette.setBounds(350, 150, 100, 100);
    palette.putClientProperty("JInternalFrame.isPalette", Boolean.TRUE);
    desktop.add(palette, JDesktopPane.PALETTE_LAYER);
    palette.setVisible(true);
    
    frame.add(desktop, BorderLayout.CENTER);
    frame.setSize(500, 300);
    frame.setVisible(true);
  }
}

JDesktopPane: setDragMode(int mode)

 
import java.awt.BorderLayout;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.event.InternalFrameAdapter;
import javax.swing.event.InternalFrameEvent;
import javax.swing.event.InternalFrameListener;
public class MainClass {
  public static void main(final String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JDesktopPane desktop = new JDesktopPane();
    JInternalFrame internalFrames[] = {
        new JInternalFrame("Can Do All", true, true, true, true),
        new JInternalFrame("Not Resizable", false, true, true, true),
        new JInternalFrame("Not Closable", true, false, true, true),
        new JInternalFrame("Not Maximizable", true, true, false, true),
        new JInternalFrame("Not Iconifiable", true, true, true, false) };
    int pos = 0;
    for (JInternalFrame internalFrame : internalFrames) {
      desktop.add(internalFrame);
      internalFrame.setBounds(pos * 25, pos * 25, 200, 100);
      pos++;
     
      JLabel label = new JLabel(internalFrame.getTitle(), JLabel.CENTER);
      internalFrame.add(label, BorderLayout.CENTER);
      internalFrame.setVisible(true);
    }
    desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
    
    
    frame.add(desktop, BorderLayout.CENTER);
    frame.setSize(500, 300);
    frame.setVisible(true);
  }
}