为SWT应用程序创建系统托盘

package rcp.test;import org.eclipse.swt.SWT;import org.eclipse.swt.events.ShellAdapter;import org.eclipse.swt.events.ShellEvent;import org.eclipse.swt.graphics.Image;import org.eclipse.swt.graphics.Point;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.Tray;import org.eclipse.swt.widgets.TrayItem;import org.eclipse.ui.IWorkbenchWindow;import org.eclipse.ui.application.ActionBarAdvisor;import org.eclipse.ui.application.IActionBarConfigurer;import org.eclipse.ui.application.IWorkbenchWindowConfigurer;import org.eclipse.ui.application.WorkbenchWindowAdvisor;import org.eclipse.ui.handlers.IHandlerService;import org.eclipse.ui.plugin.AbstractUIPlugin;public class ApplicationWorkbenchWindowAdvisor extends WorkbenchWindowAdvisor {public ApplicationWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {super(configurer);}public ActionBarAdvisor createActionBarAdvisor(IActionBarConfigurer configurer) {return new ApplicationActionBarAdvisor(configurer);}public void preWindowOpen() {IWorkbenchWindowConfigurer configurer = getWindowConfigurer();configurer.setInitialSize(new Point(800, 400));configurer.setShowCoolBar(false);configurer.setShowStatusLine(false);configurer.setTitle("RCP Application");configurer.setShowPerspectiveBar(true);}/** * 创建系统托盘 */@Overridepublic void postWindowOpen() {super.postWindowOpen();IWorkbenchWindow window=getWindowConfigurer().getWindow();TrayItem trayItem=initTrayItem(window);createMinimize(window,trayItem);hookPopupMenu(window,trayItem);}private void hookPopupMenu(final IWorkbenchWindow window, TrayItem trayItem) {trayItem.addListener(SWT.MenuDetect, new Listener() {@Overridepublic void handleEvent(Event event) {Menu menu=new Menu(window.getShell(),SWT.POP_UP);MenuItem exit=new MenuItem(menu,SWT.NONE);exit.setText("Exit");exit.addListener(SWT.Selection, new Listener() {@Overridepublic void handleEvent(Event event) {IHandlerService handlerService = (IHandlerService) window .getService(IHandlerService.class);try {handlerService.executeCommand(R.Commands.EXIT, event);}catch (Exception e) {e.printStackTrace();}}});menu.setVisible(true);}});}private void createMinimize(final IWorkbenchWindow window, TrayItem trayItem) {window.getShell().addShellListener(new ShellAdapter() {@Overridepublic void shellIconified(ShellEvent e) {window.getShell().setVisible(false);}});trayItem.addListener(SWT.DefaultSelection, new Listener() {@Overridepublic void handleEvent(Event event) {Shell shell=window.getShell();if(!shell.isVisible()){shell.setVisible(true);shell.setMinimized(false);}}});}private TrayItem initTrayItem(IWorkbenchWindow window) {final Tray tray=window.getShell().getDisplay().getSystemTray();TrayItem trayItem=new TrayItem(tray,SWT.NONE);Image image=AbstractUIPlugin.imageDescriptorFromPlugin("rcp.test", "/icons/alt_window_32.gif").createImage();trayItem.setImage(image);trayItem.setToolTipText("TrayItem");return trayItem; }}