vaadin-framework/uitest/src/main/java/com/vaadin/tests/components/window/ExtraWindowShown.java

package com.vaadin.tests.components.window;

import com.vaadin.server.ThemeResource;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

public class ExtraWindowShown extends AbstractReindeerTestUI {

    @Override
    protected void setup(VaadinRequest request) {
        Button b = new Button("Open window", event -> {
            VerticalLayout layout = new VerticalLayout();
            layout.setMargin(true);
            final Window w = new Window("Sub window", layout);
            w.center();
            layout.addComponent(new Button("Close", clickEvent -> w.close()));
            Button iconButton = new Button("A button with icon");
            iconButton.setIcon(new ThemeResource("../runo/icons/16/ok.png"));
            layout.addComponent(iconButton);
            event.getButton().getUI().addWindow(w);
        });
        getLayout().getParent().setSizeFull();
        getLayout().setSizeFull();
        getLayout().addComponent(b);
        getLayout().setComponentAlignment(b, Alignment.MIDDLE_CENTER);
    }

    @Override
    protected String getTestDescription() {
        return "Sub window shouldn't reappear after closing.";
    }

    @Override
    protected Integer getTicketNumber() {
        return 5987;
    }

}