SWT Menu and menu event : Menu « SWT JFace Eclipse « Java
SWT Menu and menu event
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class MenuClass {
Display display;
Shell shell;
Menu menuBar, fileMenu, editMenu;
MenuItem fileMenuHeader, editMenuHeader;
MenuItem fileExitItem, fileSaveItem, fileEnglishItem, fileGermanItem,
editCopyItem;
Text text;
public MenuClass() {
display = new Display();
shell = new Shell(display);
shell.setText("Menu Example");
shell.setSize(300, 200);
text = new Text(shell, SWT.BORDER);
text.setBounds(80, 50, 150, 25);
menuBar = new Menu(shell, SWT.BAR);
fileMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
fileMenuHeader.setText("&File");
fileMenu = new Menu(shell, SWT.DROP_DOWN);
fileMenuHeader.setMenu(fileMenu);
fileSaveItem = new MenuItem(fileMenu, SWT.PUSH);
fileSaveItem.setText("&Save");
fileEnglishItem = new MenuItem(fileMenu, SWT.RADIO);
fileEnglishItem.setText("English");
fileGermanItem = new MenuItem(fileMenu, SWT.RADIO);
fileGermanItem.setText("German");
fileExitItem = new MenuItem(fileMenu, SWT.PUSH);
fileExitItem.setText("E&xit");
editMenuHeader = new MenuItem(menuBar, SWT.CASCADE);
editMenuHeader.setText("&Edit");
editMenu = new Menu(shell, SWT.DROP_DOWN);
editMenuHeader.setMenu(editMenu);
editCopyItem = new MenuItem(editMenu, SWT.PUSH);
editCopyItem.setText("&Copy");
fileExitItem.addSelectionListener(new MenuItemListener());
fileSaveItem.addSelectionListener(new MenuItemListener());
editCopyItem.addSelectionListener(new MenuItemListener());
fileEnglishItem.addSelectionListener(new RadioItemListener());
fileGermanItem.addSelectionListener(new RadioItemListener());
shell.setMenuBar(menuBar);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
class MenuItemListener extends SelectionAdapter {
public void widgetSelected(SelectionEvent event) {
if (((MenuItem) event.widget).getText().equals("E&xit")) {
shell.close();
}
text.setText("You selected " + ((MenuItem) event.widget).getText());
}
}
class RadioItemListener extends SelectionAdapter {
public void widgetSelected(SelectionEvent event) {
MenuItem item = (MenuItem) event.widget;
text.setText(item.getText() + " is on.");
}
}
public static void main(String[] args) {
MenuClass menuExample = new MenuClass();
}
}
