package cn.com.chengang.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.ShellAdapter;
import org.eclipse.swt.events.ShellEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolTip;
import org.eclipse.swt.widgets.Tray;
import org.eclipse.swt.widgets.TrayItem;

public class Tray1 {
	public static void main(String[] args) {
		final Display display = Display.getDefault();
		final Shell shell = new Shell();
		shell.setSize(327, 253);
		// ---------創建窗口中的其他界面組件-------------
		final ToolTip tip = new ToolTip(shell, SWT.BALLOON | SWT.ICON_INFORMATION);// 泡泡型提示
		final Tray tray = shell.getDisplay().getSystemTray();// 取得系統托盤對象
		if (tray != null) {
			final TrayItem item = new TrayItem(tray, SWT.NONE);// 創建托盤對象
			item.setToolTipText("QQ");// 托盤提示文字
			item.setImage(new Image(display, "icons/star.jpg"));// 托盤圖標
			item.setToolTip(tip);
			// 生成菜單項，右鍵單擊托盤圖標時顯示
			final Menu menu = new Menu(shell, SWT.POP_UP);
			final MenuItem showMenu = new MenuItem(menu, SWT.PUSH);
			showMenu.setText("&Hide");
			showMenu.addSelectionListener(new SelectionAdapter() {
				public void widgetSelected(SelectionEvent e) {
					boolean showFlag = shell.isVisible();
					shell.setVisible(!showFlag);
					showMenu.setText(showFlag ? "S&how" : "&Hide");
					tip.setText("QQ的托盤圖標");
					tip.setMessage("右鍵單擊圖標，\n可以選擇菜單");
					tip.setVisible(true);
				}
			});
			MenuItem exitMenu = new MenuItem(menu, SWT.PUSH);
			exitMenu.setText("E&xit");
			exitMenu.addSelectionListener(new SelectionAdapter() {
				public void widgetSelected(SelectionEvent e) {
					System.exit(0);
				}
			});

			// 為托盤添加事件
			item.addListener(SWT.Selection, new Listener() {
				public void handleEvent(Event e) {
					System.out.println("鼠標單擊");
				}
			});
			item.addListener(SWT.DefaultSelection, new Listener() {
				public void handleEvent(Event e) {
					System.out.println("鼠標雙擊");
				}
			});
			item.addListener(SWT.MenuDetect, new Listener() {
				public void handleEvent(Event e) {
					menu.setVisible(true);// 右鍵點擊圖標時，顯示菜單
				}
			});
			// 效果：關閉窗口時最小化到托盤
			shell.addShellListener(new ShellAdapter() {
				public void shellClosed(ShellEvent e) {
					e.doit = false; // 使窗口的關閉按鈕無效
					shell.setVisible(false);
					showMenu.setText("S&how");
					tip.setText("QQ的托盤圖標");
					tip.setMessage("右鍵單擊圖標，\n可以選擇菜單");
					tip.setVisible(true);
				}
			});
		} else {
			tip.setText("該系統不支持托盤效果");
			tip.setLocation(400, 400);
		}

		// -----------------END------------------------
		shell.layout();
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}