Demonstrates menus
//Send questions, comments, bug reports, etc. to the authors:
//Rob Warner (rwarner@interspatial.com)
//Robert Harris (rbrt_harris@yahoo.com)
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* This class demonstrates menus
*/
public class Menus {
private Image star;
private Image circle;
private Image square;
private Image triangle;
/**
* Runs the application
*/
public void run() {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Menus");
createContents(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
if (circle != null) circle.dispose();
if (star != null) star.dispose();
if (square != null) square.dispose();
if (triangle != null) triangle.dispose();
display.dispose();
}
/**
* Creates the main window's contents
*
* @param shell the main window
*/
private void createContents(Shell shell) {
shell.setLayout(new FillLayout());
createBarMenu(shell);
createPopUpMenu(shell);
createNoRadioGroupPopUpMenu(shell);
}
/**
* Creates the bar menu for the main window
*
* @param shell the main window
*/
private void createBarMenu(Shell shell) {
// Create the bar menu
Menu menu = new Menu(shell, SWT.BAR);
// Create all the items in the bar menu
MenuItem fileItem = new MenuItem(menu, SWT.CASCADE);
fileItem.setText("File");
MenuItem editItem = new MenuItem(menu, SWT.CASCADE);
editItem.setText("Edit");
MenuItem formatItem = new MenuItem(menu, SWT.CASCADE);
formatItem.setText("Format");
MenuItem viewItem = new MenuItem(menu, SWT.CASCADE);
viewItem.setText("View");
MenuItem helpItem = new MenuItem(menu, SWT.CASCADE);
helpItem.setText("Help");
// Create the File item's dropdown menu
Menu fileMenu = new Menu(menu);
fileItem.setMenu(fileMenu);
// Create all the items in the File dropdown menu
MenuItem newItem = new MenuItem(fileMenu, SWT.NONE);
newItem.setText("New");
MenuItem openItem = new MenuItem(fileMenu, SWT.NONE);
openItem.setText("Open...");
MenuItem saveItem = new MenuItem(fileMenu, SWT.NONE);
saveItem.setText("Save");
MenuItem saveAsItem = new MenuItem(fileMenu, SWT.NONE);
saveAsItem.setText("Save As...");
new MenuItem(fileMenu, SWT.SEPARATOR);
MenuItem pageSetupItem = new MenuItem(fileMenu, SWT.NONE);
pageSetupItem.setText("Page Setup...");
MenuItem printItem = new MenuItem(fileMenu, SWT.NONE);
printItem.setText("Print...");
new MenuItem(fileMenu, SWT.SEPARATOR);
MenuItem exitItem = new MenuItem(fileMenu, SWT.NONE);
exitItem.setText("Exit");
// Set the bar menu as the menu in the shell
shell.setMenuBar(menu);
}
/**
* Creates the left-half pop-up menu
*
* @param shell the main window
*/
private void createPopUpMenu(Shell shell) {
// Create a composite that the pop-up menu will be
// associated with
Label label = new Label(shell, SWT.BORDER);
label.setText("Pop-up Menu");
// Create the pop-up menu
Menu menu = new Menu(label);
// Create the images
star = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
"java2s.gif"));
circle = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
"java2s.gif"));
square = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
"java2s.gif"));
triangle = new Image(shell.getDisplay(), this.getClass().getResourceAsStream(
"java2s.gif"));
// Create all the items in the pop-up menu
MenuItem newItem = new MenuItem(menu, SWT.CASCADE);
newItem.setText("New");
newItem.setImage(star);
MenuItem refreshItem = new MenuItem(menu, SWT.NONE);
refreshItem.setText("Refresh");
refreshItem.setImage(circle);
MenuItem deleteItem = new MenuItem(menu, SWT.NONE);
deleteItem.setText("Delete");
new MenuItem(menu, SWT.SEPARATOR);
// Add a check menu item and select it
MenuItem checkItem = new MenuItem(menu, SWT.CHECK);
checkItem.setText("Check");
checkItem.setSelection(true);
checkItem.setImage(square);
// Add a push menu item
MenuItem pushItem = new MenuItem(menu, SWT.PUSH);
pushItem.setText("Push");
new MenuItem(menu, SWT.SEPARATOR);
// Create some radio items
MenuItem item1 = new MenuItem(menu, SWT.RADIO);
item1.setText("Radio One");
item1.setImage(triangle);
MenuItem item2 = new MenuItem(menu, SWT.RADIO);
item2.setText("Radio Two");
MenuItem item3 = new MenuItem(menu, SWT.RADIO);
item3.setText("Radio Three");
// Create a new radio group
new MenuItem(menu, SWT.SEPARATOR);
// Create some radio items
MenuItem itema = new MenuItem(menu, SWT.RADIO);
itema.setText("Radio A");
MenuItem itemb = new MenuItem(menu, SWT.RADIO);
itemb.setText("Radio B");
MenuItem itemc = new MenuItem(menu, SWT.RADIO);
itemc.setText("Radio C");
// Create the New item's dropdown menu
Menu newMenu = new Menu(menu);
newItem.setMenu(newMenu);
// Create the items in the New dropdown menu
MenuItem shortcutItem = new MenuItem(newMenu, SWT.NONE);
shortcutItem.setText("Shortcut");
MenuItem iconItem = new MenuItem(newMenu, SWT.NONE);
iconItem.setText("Icon");
// Set the pop-up menu as the pop-up for the label
label.setMenu(menu);
}
/**
* Creates the No Radio Group pop-up menu
*
* @param shell the main window
*/
private void createNoRadioGroupPopUpMenu(Shell shell) {
// Create a composite that the pop-up menu will be
// associated with
Label label = new Label(shell, SWT.BORDER);
label.setText("No Radio Group Menu");
// Create the pop-up menu with the No Radio Group style
Menu menu = new Menu(shell, SWT.POP_UP | SWT.NO_RADIO_GROUP);
label.setMenu(menu);
// Create all the items in the pop-up menu
MenuItem item1 = new MenuItem(menu, SWT.RADIO);
item1.setText("Radio One");
MenuItem item2 = new MenuItem(menu, SWT.RADIO);
item2.setText("Radio Two");
MenuItem item3 = new MenuItem(menu, SWT.RADIO);
item3.setText("Radio Three");
// Set the pop-up menu as the pop-up for the label
label.setMenu(menu);
}
/**
* The application entry point
*
* @param args the command line arguments
*/
public static void main(String[] args) {
new Menus().run();
}
}
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