import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.*;

public class MenuShell5 {
    Display d;
    Shell s;
     MenuShell5()    {
         d = new Display();
         s = new Shell(d);
        s.setSize(500,500);
        s.setImage(new Image(d, "c:\\icons\\JavaCup.ico"));
        s.setText("A Shell Menu Example");
        Menu m = new Menu(s,SWT.BAR );
                  
         // create a file menu and add an exit item
         final MenuItem file = new MenuItem(m, SWT.CASCADE);
         file.setText("File");
         final Menu filemenu = new Menu(s, SWT.DROP_DOWN);
         file.setMenu(filemenu);
        // create an open menu and to sub-menu items
        final MenuItem openItem = new MenuItem(filemenu, SWT.CASCADE);
        openItem.setText("Open");
        final Menu submenu = new Menu(s, SWT.DROP_DOWN);
        openItem.setMenu(submenu);
        final MenuItem childItem = new MenuItem(submenu, SWT.PUSH);
        childItem.setText("Child");
        final MenuItem dialogItem = new MenuItem(submenu, SWT.PUSH);
        dialogItem.setText("Dialog");
        //add a separator         
         final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
        // create an exit menu item
         final MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
         exitItem.setText("Exit");
         
         // create an edit menu and add cut copy and paste items
         final MenuItem edit = new MenuItem(m, SWT.CASCADE);
         edit.setText("Edit");
         final Menu editmenu = new Menu(s, SWT.DROP_DOWN);
         edit.setMenu(editmenu);
         final MenuItem cutItem = new MenuItem(editmenu, SWT.PUSH);
         cutItem.setText("Cut");
         final MenuItem copyItem = new MenuItem(editmenu, SWT.PUSH);
         copyItem.setText("Copy");
         final MenuItem pasteItem = new MenuItem(editmenu, SWT.PUSH);
         pasteItem.setText("Paste");
         
         //create a Window menu and add Child item
         final MenuItem window = new MenuItem(m, SWT.CASCADE);
         window.setText("Window");
         final Menu windowmenu = new Menu(s, SWT.DROP_DOWN);
         window.setMenu(windowmenu);
         final MenuItem maxItem = new MenuItem(windowmenu, SWT.PUSH);
         maxItem.setText("Maximize");
         final MenuItem minItem = new MenuItem(windowmenu, SWT.PUSH);
         minItem.setText("Minimize");
         
         // create a Help menu and add an about item
         final MenuItem help = new MenuItem(m, SWT.CASCADE);
         help.setText("Help");
         final Menu helpmenu = new Menu(s, SWT.DROP_DOWN);
         help.setMenu(helpmenu);
         final MenuItem aboutItem = new MenuItem(helpmenu, SWT.PUSH);
         aboutItem.setText("About");

        childItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                Shell parent = (Shell)maxItem.getParent().getParent();
                ChildShell cs = new ChildShell(parent);
            }
            public void widgetDefaultSelected(SelectionEvent e) {
                
            }
        });

         
         dialogItem.addSelectionListener(new SelectionListener() {
             public void widgetSelected(SelectionEvent e) {
                Shell parent = (Shell)maxItem.getParent().getParent();
                DialogExample de = new DialogExample(parent);
                de.open();
            }
             public void widgetDefaultSelected(SelectionEvent e) {
                
            }
        });

        exitItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                System.exit(0);
            }
            public void widgetDefaultSelected(SelectionEvent e) {
                
            }
        });
        
        cutItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                System.out.println("Cut");
            }
            public void widgetDefaultSelected(SelectionEvent e) {
                
            }
        });
        
        copyItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                System.out.println("Copy");
            }
            public void widgetDefaultSelected(SelectionEvent e) {
                
            }
        });
        
        pasteItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                System.out.println("Paste");
            }
            public void widgetDefaultSelected(SelectionEvent e) {
                
            }
        });
        
        maxItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                Shell parent = (Shell)maxItem.getParent().getParent();
                parent.setMaximized(true);
            }
            public void widgetDefaultSelected(SelectionEvent e) {                
            }
        });
        
        minItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                Shell parent = (Shell)minItem.getParent().getParent();
                parent.setMaximized(false);
            }
            public void widgetDefaultSelected(SelectionEvent e) {                
            }
        });

        aboutItem.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                Shell parent = (Shell)minItem.getParent().getParent();
                parent.setMaximized(false);
            }
            public void widgetDefaultSelected(SelectionEvent e) {                
            }
        });

        s.setMenuBar(m);
        s.open();
        while(!s.isDisposed()){
            if(!d.readAndDispatch())
                d.sleep();
        }
        d.dispose();
    }
}