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package com.example.ui;
import org.springframework.beans.factory.annotation.Autowired;
import com.example.view.DefaultView;
import com.example.view.UIScopedView;
import com.example.view.ViewDisplayPanel;
import com.example.view.ViewScopedView;
import com.vaadin.server.VaadinRequest;
import com.vaadin.spring.annotation.SpringUI;
import com.vaadin.ui.Button;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.ValoTheme;
abstract class AbstractSpringUI extends UI {
@Autowired
private ViewDisplayPanel springViewDisplay;
protected CssLayout navigationBar;
@Override
protected void init(VaadinRequest request) {
final VerticalLayout root = new VerticalLayout();
root.setSizeFull();
root.setMargin(true);
root.setSpacing(true);
setContent(root);
navigationBar = new CssLayout();
navigationBar.addStyleName(ValoTheme.LAYOUT_COMPONENT_GROUP);
navigationBar.addComponent(
createNavigationButton("Default View", DefaultView.VIEW_NAME));
navigationBar.addComponent(createNavigationButton("UI Scoped View",
UIScopedView.VIEW_NAME));
navigationBar.addComponent(createNavigationButton("View Scoped View",
ViewScopedView.VIEW_NAME));
root.addComponent(navigationBar);
root.addComponent(springViewDisplay);
root.setExpandRatio(springViewDisplay, 1.0f);
}
private Button createNavigationButton(String caption,
final String viewName) {
Button button = new Button(caption);
button.setId(viewName + "-button");
button.addStyleName(ValoTheme.BUTTON_SMALL);
button.addClickListener(
event -> getUI().getNavigator().navigateTo(viewName));
return button;
}
}
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