In this Java AWT Tutorial, we will see how to create sub-menu. The thumbnail will show you an idea of what this video is about.
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import java.awt.BorderLayout; import java.awt.Color; import java.awt.Frame; import java.awt.Label; import java.awt.Menu; import java.awt.MenuBar; import java.awt.MenuItem; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; public class FrameWin extends Frame implements WindowListener, ActionListener { //Sample 01: Class Members Label lblDisplay; public FrameWin(String FrameTitle) { //Display the Frame Window super(FrameTitle); setSize(400, 400); setLocation(100,100); addWindowListener(this); //Sample 02: Add a Label Control lblDisplay = new Label(); lblDisplay.setBackground(Color.LIGHT_GRAY); add(BorderLayout.SOUTH, lblDisplay); //Sample 03: Add menu Bar MenuBar AwtMenuBar = new MenuBar(); setMenuBar(AwtMenuBar); //Sample 04: Create Menus //Sample 10: For Sub Menu Demo => Menu mnuAction = new Menu("Action"); //<= 10 Menu mnuHelp = new Menu("Help"); Menu mnuDraw = new Menu("Draw"); //Sample 11: Modify Menu Bar to Action Menu => mnuAction.add(mnuDraw); mnuAction.add(mnuHelp); AwtMenuBar.add(mnuAction); //<= 11 //Sample 05: Create Menu Items MenuItem siLine = new MenuItem("Line"); MenuItem miLine = new MenuItem("Multi Line"); MenuItem Rect = new MenuItem("Rectangle"); MenuItem Pentagon = new MenuItem("Pentagon"); MenuItem Circle = new MenuItem("Circle"); MenuItem help = new MenuItem("F1 Help"); MenuItem about = new MenuItem("About Menu Demo"); //Sample 06: Add Menu Items to Menu mnuDraw.add(siLine); mnuDraw.add(miLine); mnuDraw.add(Rect); mnuDraw.add(Pentagon); mnuDraw.add(Circle); mnuHelp.add(help); mnuHelp.add(about); //Sample 07: Set ActionCommand & register with Listeners siLine.setActionCommand("Draw Line"); miLine.setActionCommand("Draw Multi Line"); Rect.setActionCommand("Draw Rectangle"); Pentagon.setActionCommand("Draw Pentagon"); Circle.setActionCommand("Draw Circle"); help.setActionCommand("F1 Help"); about.setActionCommand("About Menu Demo"); //Sample 08: Add Action Listener siLine.addActionListener(this); miLine.addActionListener(this); Rect.addActionListener(this); Pentagon.addActionListener(this); Circle.addActionListener(this); help.addActionListener(this); about.addActionListener(this); } public void windowOpened(WindowEvent e) {} public void windowClosed(WindowEvent e) {} public void windowIconified(WindowEvent e) {} public void windowDeiconified(WindowEvent e) {} public void windowActivated(WindowEvent e) {} public void windowDeactivated(WindowEvent e) {} public void windowClosing(WindowEvent e) { this.dispose(); } @Override public void actionPerformed(ActionEvent ae) { //Sample 09: Set the Label lblDisplay.setText(ae.getActionCommand()); } } |
Categories: AWT-Tube
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