vaadin-framework/uitest/src/main/java/com/vaadin/tests/components/combobox/ComboboxMenuBarAutoopen.java

package com.vaadin.tests.components.combobox;

import com.vaadin.server.Page;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.MenuBar;
import com.vaadin.ui.MenuBar.MenuItem;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Notification.Type;

/**
 * Test UI for combobox popup which should be closed on any click outside it.
 *
 * @author Vaadin Ltd
 */
public class ComboboxMenuBarAutoopen extends AbstractReindeerTestUI {

    @Override
    protected void setup(VaadinRequest request) {
        HorizontalLayout layout = new HorizontalLayout();
        layout.setSpacing(true);
        ComboBox<String> combo = new ComboBox<>();
        combo.setItems("1", "2", "3");
        layout.addComponent(combo);

        MenuBar menubar = getMenubar();
        layout.addComponent(menubar);

        addComponent(layout);
    }

    @Override
    protected String getTestDescription() {
        return "Combobox popup should close on click to other popup or associated components.";
    }

    @Override
    protected Integer getTicketNumber() {
        return 14321;
    }

    private MenuBar getMenubar() {
        MenuBar menubar = new MenuBar();
        menubar.setAutoOpen(true);
        MenuItem item = menubar.addItem("auto-open", null);
        item.addItem("sub-item 1", new MenuBar.Command() {

            @Override
            public void menuSelected(MenuItem selectedItem) {
                Notification notification = new Notification("Test",
                        Type.HUMANIZED_MESSAGE);
                notification.show(Page.getCurrent());
            }
        });
        return menubar;
    }
}