menus.java

think in java 最新版本的源码

//: swt/Menus.java
// Fun with menus.
import swt.util.*;
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import java.util.*;
import net.mindview.util.*;

public class Menus implements SWTApplication {
  private static Shell shell;
  public void createContents(Composite parent) {
    shell = parent.getShell();
    Menu bar = new Menu(shell, SWT.BAR);
    shell.setMenuBar(bar);
    Set<String> words = new TreeSet<String>(
      new TextFile("Menus.java", "\\W+"));
    Iterator<String> it = words.iterator();
    while(it.next().matches("[0-9]+"))
      ; // Move past the numbers.
    MenuItem[] mItem = new MenuItem[7];
    for(int i = 0; i < mItem.length; i++) {
      mItem[i] = new MenuItem(bar, SWT.CASCADE);
      mItem[i].setText(it.next());
      Menu submenu = new Menu(shell, SWT.DROP_DOWN);
      mItem[i].setMenu(submenu);
    }
    int i = 0;
    while(it.hasNext()) {
      addItem(bar, it, mItem[i]);
      i = (i + 1) % mItem.length;
    }
  }
  static Listener listener = new Listener() {
    public void handleEvent(Event e) {
      System.out.println(e.toString());
    }
  };
  void
  addItem(Menu bar, Iterator<String> it, MenuItem mItem) {
    MenuItem item = new MenuItem(mItem.getMenu(),SWT.PUSH);
    item.addListener(SWT.Selection, listener);
    item.setText(it.next());
  }
  public static void main(String[] args) {
    SWTConsole.run(new Menus(), 600, 200);
  }
} ///:~