Java by API/org.eclipse.swt.widgets/MenuItem

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MenuItem: addListener(int state, Listener lis)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.swt.widgets.ToolBar; import org.eclipse.swt.widgets.ToolItem; public class MainClass { 

 public static void main(String[] args) {
   Display display = new Display();
   final Shell shell = new Shell(display);
   shell.setSize(300, 200);
   ToolBar toolbar = new ToolBar(shell, SWT.NONE);
   ToolItem item1 = new ToolItem(toolbar, SWT.PUSH);
   item1.setText("Now");
   ToolItem item2 = new ToolItem(toolbar, SWT.PUSH);
   item2.setText("is");
   ToolItem item3 = new ToolItem(toolbar, SWT.PUSH);
   item3.setText("the");
   ToolItem item4 = new ToolItem(toolbar, SWT.PUSH);
   item4.setText("time");
   toolbar.setBounds(0, 0, 200, 70);
   final Text text = new Text(shell, SWT.BORDER);
   text.setBounds(0, 100, 200, 25);
   Listener listener = new Listener() {
     public void handleEvent(Event event) {
       ToolItem item = (ToolItem) event.widget;
       String string = item.getText();
       if (string.equals("Now"))
         text.setText("You selected: Now");
       else if (string.equals("is"))
         text.setText("You selected: is");
       else if (string.equals("the"))
         text.setText("You selected: the");
       else if (string.equals("time"))
         text.setText("You selected: time");
     }
   };
   item1.addListener(SWT.Selection, listener);
   item2.addListener(SWT.Selection, listener);
   item3.addListener(SWT.Selection, listener);
   item4.addListener(SWT.Selection, listener);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }

} 

      </source>



MenuItem: addSelectionListener(SelectionListener lis)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   s.setText("A Shell Menu Example");
   Menu m = new Menu(s, SWT.BAR);
   MenuItem file = new MenuItem(m, SWT.CASCADE);
   file.setText("File");
   Menu filemenu = new Menu(s, SWT.DROP_DOWN);
   file.setMenu(filemenu);
   MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
   openItem.setText("&Open");
   openItem.setAccelerator(SWT.CTRL + "O");
   openItem.addSelectionListener(new Open());
   MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
   exitItem.setText("Exit");
   s.setMenuBar(m);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} class Open implements SelectionListener { 

 public void widgetSelected(SelectionEvent event) {
   System.out.println(event);
 }
 public void widgetDefaultSelected(SelectionEvent event) {
 }

} 

      </source>



MenuItem: setAccelerator(int key)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   s.setText("A Shell Menu Example");
   Menu m = new Menu(s, SWT.BAR);
   MenuItem file = new MenuItem(m, SWT.CASCADE);
   file.setText("File");
   Menu filemenu = new Menu(s, SWT.DROP_DOWN);
   file.setMenu(filemenu);
   MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
   openItem.setText("&Open");
   openItem.setAccelerator(SWT.CTRL + "O");
   openItem.addSelectionListener(new Open());
   MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
   exitItem.setText("Exit");
   s.setMenuBar(m);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} class Open implements SelectionListener { 

 public void widgetSelected(SelectionEvent event) {
   System.out.println(event);
 }
 public void widgetDefaultSelected(SelectionEvent event) {
 }

} 

      </source>



MenuItem: setMenu(Menu menu)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   s.setText("A Shell Menu Example");
   Menu m = new Menu(s,SWT.BAR );
   MenuItem file = new MenuItem(m, SWT.CASCADE);
   file.setText("File");
   Menu filemenu = new Menu(s, SWT.DROP_DOWN);
   file.setMenu(filemenu);
   MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
   openItem.setText("Open");
   MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
   exitItem.setText("Exit");
   
   s.setMenuBar(m);
   s.open();
   while(!s.isDisposed()){
       if(!d.readAndDispatch())
           d.sleep();
   }
   d.dispose();
 }

} 

      </source>



MenuItem: setText(String s)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   s.setText("A Shell Menu Example");
   Menu m = new Menu(s,SWT.BAR );
   MenuItem file = new MenuItem(m, SWT.CASCADE);
   file.setText("File");
   Menu filemenu = new Menu(s, SWT.DROP_DOWN);
   file.setMenu(filemenu);
   MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
   openItem.setText("Open");
   MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
   exitItem.setText("Exit");
   
   s.setMenuBar(m);
   s.open();
   while(!s.isDisposed()){
       if(!d.readAndDispatch())
           d.sleep();
   }
   d.dispose();
 }

} 

      </source>



new MenuItem(MenuItem filemenu, SWT.SEPARATOR)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   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);
   final MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
   openItem.setText("Open");
   final MenuItem separator = new MenuItem(filemenu, SWT.SEPARATOR);
   final MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
   exitItem.setText("Exit");
   s.setMenuBar(m);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} 

      </source>



new MenuItem(Menu menu, int style)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   s.setText("A Shell Menu Example");
   Menu m = new Menu(s,SWT.BAR );
   MenuItem file = new MenuItem(m, SWT.CASCADE);
   file.setText("File");
   Menu filemenu = new Menu(s, SWT.DROP_DOWN);
   file.setMenu(filemenu);
   MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
   openItem.setText("Open");
   MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
   exitItem.setText("Exit");
   
   s.setMenuBar(m);
   s.open();
   while(!s.isDisposed()){
       if(!d.readAndDispatch())
           d.sleep();
   }
   d.dispose();
 }

} 


      </source>



new MenuItem(Menu m, SWT.CASCADE)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   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");
   s.setMenuBar(m);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} 


      </source>



new MenuItem(Menu optionsmenu, SWT.RADIO)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display d = new Display();
   Shell s = new Shell(d);
   Menu m = new Menu(s, SWT.BAR);
   final MenuItem options = new MenuItem(m, SWT.CASCADE);
   options.setText("&Options");
   final Menu optionsmenu = new Menu(s, SWT.DROP_DOWN);
   options.setMenu(optionsmenu);
   final MenuItem checkItem = new MenuItem(optionsmenu, SWT.CHECK);
   checkItem.setText("&Checked Option");
   final MenuItem optionsseparator = new MenuItem(optionsmenu, SWT.SEPARATOR);
   final MenuItem radioItem1 = new MenuItem(optionsmenu, SWT.RADIO);
   radioItem1.setText("Radio &One");
   final MenuItem radioItem2 = new MenuItem(optionsmenu, SWT.RADIO);
   radioItem2.setText("Radio &Two");
   s.setMenuBar(m);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} 

      </source>
Источник — «http://jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.widgets/MenuItem&oldid=353»