at.reisisoft.jku.ce.adaptivelearning.vaadin.ui.MainUI.java Source code

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Here is the source code for at.reisisoft.jku.ce.adaptivelearning.vaadin.ui.MainUI.java

Source

package at.reisisoft.jku.ce.adaptivelearning.vaadin.ui;

/*This file is part of the project "Reisisoft Adaptive Testing",
 * which is licenced under LGPL v3+. You may find a copy in the source,
 * or obtain one at http://www.gnu.org/licenses/lgpl-3.0-standalone.html */
import java.util.Calendar;
import java.util.GregorianCalendar;

import at.reisisoft.jku.ce.adaptivelearning.core.LogHelper;
import at.reisisoft.jku.ce.adaptivelearning.html.HtmlLabel;
import at.reisisoft.jku.ce.adaptivelearning.vaadin.ui.core.VaadinUI;
import at.reisisoft.jku.ce.adaptivelearning.vaadin.ui.core.Views;

import com.vaadin.navigator.Navigator;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Component;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window.CloseEvent;
import com.vaadin.ui.Window.CloseListener;

public class MainUI extends VerticalLayout implements View {

    private static final long serialVersionUID = 4966805861748123750L;

    public MainUI() {
        // Make the web-app large
        setSizeFull();
        // Set the layout for the bottom
        // Create a 3rd party licence button with a click listener
        final Button licences = new Button("Show 3rd party licences");
        licences.addClickListener(new ClickListener() {
            private static final long serialVersionUID = 32642854872179636L;

            @Override
            public void buttonClick(ClickEvent event) {
                LogHelper.logInfo("Opened LicenceWindow");
                LicenceWindow licenceWindow = new LicenceWindow();
                licenceWindow.addCloseListener(new CloseListener() {

                    private static final long serialVersionUID = 7874342882437355680L;

                    @Override
                    public void windowClose(CloseEvent e) {
                        event.getButton().setEnabled(true);
                    }
                });
                getUI().addWindow(licenceWindow);
                // Disable sender
                event.getButton().setEnabled(false);
            }

        });
        Label copyright = new HtmlLabel(
                "<i> Reisisoft 2014 - " + new GregorianCalendar().get(Calendar.YEAR) + "</i>");
        Button openLog = new Button("Open Log", (ClickListener) event -> {
            Navigator navigator = getUI().getNavigator();
            assert navigator != null;
            navigator.navigateTo(Views.Log.toString());

        });
        // Add the flowLayout at position 1 (second element) -> centered
        // Add everthing to flowlayout
        GridLayout southLayout = new GridLayout(3, 1);
        southLayout.setWidth("100%");
        southLayout.addComponent(licences, 0, 0);
        southLayout.addComponent(openLog, 1, 0);
        southLayout.addComponent(copyright, 2, 0);
        // Add southlayout to the main Layout
        addComponent(southLayout);
        setComponentAlignment(southLayout, Alignment.BOTTOM_CENTER);
    }

    @Override
    public void addComponent(Component c) {
        int size = getComponentCount();
        if (size == 0) {
            super.addComponent(c);
        } else {
            addComponent(c, size - 1);
        }
    }

    @Override
    public void enter(ViewChangeEvent event) {
        VaadinUI.setCurrentPageTitle(event);
    }
}