EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.vaadin.ui;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.ApplicationEventPublisher;

import org.springframework.context.annotation.Lazy;

import com.vaadin.annotations.Theme;

import com.vaadin.annotations.Title;

import com.vaadin.annotations.Viewport;

import com.vaadin.annotations.Widgetset;

import com.vaadin.navigator.ViewDisplay;

import com.vaadin.server.ExternalResource;

import com.vaadin.server.FontAwesome;

import com.vaadin.server.Page;

import com.vaadin.server.Resource;

import com.vaadin.server.Responsive;

import com.vaadin.server.VaadinRequest;

import com.vaadin.spring.annotation.SpringUI;

import com.vaadin.spring.navigator.SpringViewProvider;

import com.vaadin.ui.Component;

import com.vaadin.ui.Label;

import com.vaadin.ui.UI;

import com.vaadin.ui.themes.ValoTheme;

import eu.etaxonomy.cdm.dataInserter.RegistrationRequiredDataInserter;

import eu.etaxonomy.cdm.vaadin.view.RedirectToLoginView;

import eu.etaxonomy.cdm.vaadin.view.registration.DashBoardView;

import eu.etaxonomy.cdm.vaadin.view.registration.ListViewBean;

import eu.etaxonomy.cdm.vaadin.view.registration.StartRegistrationViewBean;

import eu.etaxonomy.vaadin.ui.MainMenu;

import eu.etaxonomy.vaadin.ui.UIInitializedEvent;

import eu.etaxonomy.vaadin.ui.navigation.NavigationEvent;

/**

 * @author a.kohlbecker

 * @since Feb 24, 2017

 *

 */

@Theme("edit-valo")

@Title("Registration")

@SpringUI(path="registration")

@Viewport("width=device-width, initial-scale=1")

@Widgetset("eu.etaxonomy.cdm.vaadin.AppWidgetSet")

// @PreserveOnRefresh

// @Push

public class RegistrationUI extends UI {

    private static final long serialVersionUID = -8626236111335323691L;

    @Autowired

    private ViewDisplay viewDisplay;

    /**

     * The RegistrationDefaultDataInserter is not used in the ui directly

     * but will as a ApplicationListener for ContextRefreshedEvents insert

     * data required for the registration application into the database.

     */

    @SuppressWarnings("unused")

    @Autowired

    @Lazy

    private RegistrationRequiredDataInserter dataInserter;

    //---- pull into abstract super class ? ---------

    @Autowired

    SpringViewProvider viewProvider;

    protected void configureAccessDeniedView() {

        viewProvider.setAccessDeniedViewClass(RedirectToLoginView.class);

    }

    //---------------------------------------------

    public static final String INITIAL_VIEW =  DashBoardView.NAME;

    /*

     * this HACKY solution forces the bean to be instantiated, TODO do it properly

     */

//    @Autowired

//    MenuBeanDiscoveryBean bean;

    @Autowired

    private MainMenu mainMenu;

    @Autowired

    ApplicationEventPublisher eventBus;

    public RegistrationUI() {

    }

    @Override

    protected void init(VaadinRequest request) {

        configureAccessDeniedView();

        addStyleName(ValoTheme.UI_WITH_MENU);

        Responsive.makeResponsive(this);

        setContent((Component) viewDisplay);

        Label phycoBankLogo = new Label("PhycoBank");

        phycoBankLogo.addStyleName("phycobank-green");

        phycoBankLogo.addStyleName(ValoTheme.LABEL_HUGE);

        mainMenu.addMenuComponent(phycoBankLogo);

        mainMenu.addMenuItem("New", FontAwesome.EDIT, StartRegistrationViewBean.NAME );

        mainMenu.addMenuItem("Continue", FontAwesome.ARROW_RIGHT, ListViewBean.NAME + "/" + ListViewBean.OPTION_IN_PROGRESS);

        mainMenu.addMenuItem("List", FontAwesome.TASKS, ListViewBean.NAME + "/" + ListViewBean.OPTION_ALL);

        eventBus.publishEvent(new UIInitializedEvent());

        String brand = "phycobank";

        //TODO create annotation:

        // @Styles(files={""}, branding="brand")

        //

        // the branding can either be specified or can be read from the properties file in .cdmLibrary/remote-webapp/{instance-name}-app.properties

        // See CdmUtils for appropriate methods to access this folder

        // the 'vaadin://' protocol refers to the VAADIN folder

        Resource registryCssFile = new ExternalResource("vaadin://branding/" + brand + "/css/branding.css");

        Page.getCurrent().getStyles().add(registryCssFile);

        //navigate to initial view

        String state = pageFragmentAsState();

        if(state == null){

            // the case when state != null is handled in the UI base class

            eventBus.publishEvent(new NavigationEvent(INITIAL_VIEW));

        }

    }

    /**

     * @return

     */

    private String pageFragmentAsState() {

        Page page = Page.getCurrent();

        String fragment = page.getUriFragment();

        String state = null;

        if(fragment != null && fragment.startsWith("!")){

            state = fragment.substring(1, fragment.length());

        }

        return state;

    }

}