Java MenuBar.setVisible方法代码示例

import com.google.gwt.user.client.ui.MenuBar; //导入方法依赖的package包/类
public MenuPopup(List<MenuPopupItem> items) {
	super(false, Type.MENU);
	MenuBar popupMenuBar = new MenuBar(true);

	for (final MenuPopupItem item : items) {
		popupMenuBar.addItem(new MenuItem(item.getText(), true, new ScheduledCommand() {
			@Override
			public void execute() {
				item.execute();
				hide();
			}
		}));
	}
	popupMenuBar.setVisible(true);
	add(popupMenuBar);
}
 

import com.google.gwt.user.client.ui.MenuBar; //导入方法依赖的package包/类
public PlaceholderContextMenuWidget(Command bringToFrontCommand, Command bringForwardCommand, Command sendBackwardCommand,
										Command sendToBackCommand, Command propertiesCommand, Command deleteCommand) {
	super(true, false);
	MenuBar popupMenuBar = new MenuBar(true);
	
	MenuItem propertiesItem = new MenuItem("Properties", true, propertiesCommand);
	MenuItem deleteItem = new MenuItem("Delete", true, deleteCommand);
	MenuItem bringToFrontItem = new MenuItem("Bring to Front", true, bringToFrontCommand);
	MenuItem bringForwardItem = new MenuItem("Bring Forward", true, bringForwardCommand);
	MenuItem sendBackwardItem = new MenuItem("Send Backward", true, sendBackwardCommand);
	MenuItem sendToBackItem = new MenuItem("Send to Back", true, sendToBackCommand);
	
	popupMenuBar.addItem(propertiesItem);
	popupMenuBar.addItem(deleteItem);
	popupMenuBar.addSeparator();
	popupMenuBar.addItem(bringToFrontItem);
	popupMenuBar.addItem(bringForwardItem);
	popupMenuBar.addItem(sendBackwardItem);
	popupMenuBar.addItem(sendToBackItem);

   	popupMenuBar.setVisible(true);
   	add(popupMenuBar);
   	
	sinkEvents(Event.ONCONTEXTMENU); 
}
 

import com.google.gwt.user.client.ui.MenuBar; //导入方法依赖的package包/类
public boolean setMenu(final PopupPanel popup) {
	List<Operation> operations = getOperations();
	if (operations.isEmpty()) return false;
	boolean first = true;
	MenuBar menu = new MenuBarWithAccessKeys();
	for (final Operation op: operations) {
		if (!op.isApplicable()) continue;
		if (op.hasSeparator() && !first)
			menu.addSeparator();
		first = false;
		MenuItem item = new MenuItem(op.getName(), true, new Command() {
			@Override
			public void execute() {
				popup.hide();
				op.execute();
			}
		});
		if (op instanceof AriaOperation)
			Roles.getMenuitemRole().setAriaLabelProperty(item.getElement(), ((AriaOperation)op).getAriaLabel());
		else
			Roles.getMenuitemRole().setAriaLabelProperty(item.getElement(), UniTimeHeaderPanel.stripAccessKey(op.getName()));
		menu.addItem(item);
	}
	if (first) return false;
	menu.setVisible(true);
	popup.add(menu);
	return true;
}
 

import com.google.gwt.user.client.ui.MenuBar; //导入方法依赖的package包/类
public NetworkTypeSelectWidget() {
		super("Add");
		MenuBar popupMenuBar = new MenuBar(true);

		for (final NetworkType networkType: NetworkType.values()) {
			MenuItem item = new MenuItem(networkType.getDefaultName(), true, 
					new Command() {
				
						@Override
						public void execute() {
							Window.open(networkType.getRequestUrl(), "_blank", "");
							menuPanel.hide();
						}
					});
			
			popupMenuBar.addItem(item);
		}
		
//		MenuItem foursquareItem = new MenuItem(NetworkType.foursquare.getDefaultName(), true, 
//				new Command() {
//			
//					@Override
//					public void execute() {
//						Window.open(NetworkType.foursquare.getRequestUrl(), "_blank", "");
//						menuPanel.hide();
//					}
//				});
//		MenuItem twitterItem = new MenuItem(RiseUtils.capitalizeFirstLetter(NetworkType.twitter.getDefaultName()), true, 
//				new Command() {
//			
//					@Override
//					public void execute() {
//						Window.open(NetworkType.twitter.getRequestUrl(), "_blank", "");
//						menuPanel.hide();
//					}
//				});
//		
//		popupMenuBar.addItem(foursquareItem);
//		popupMenuBar.addItem(twitterItem);
		
    	popupMenuBar.setVisible(true);
    	menuPanel.add(popupMenuBar);
    	
    	addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
		    	int x = event.getClientX() + Window.getScrollLeft() + 1;
		    	int y = event.getClientY() + Window.getScrollTop() + 1;
		    	menuPanel.setPopupPosition(x, y);
		    	menuPanel.show();
			}
		});
	}