src/main/java/eu/etaxonomy/cdm/vaadin/view/LoginViewBean.java

   1 /**
   2 * Copyright (C) 2017 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.cdm.vaadin.view;
  10
  11 import org.vaadin.spring.events.EventScope;
  12
  13 import com.vaadin.event.ShortcutAction.KeyCode;
  14 import com.vaadin.navigator.View;
  15 import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
  16 import com.vaadin.spring.annotation.SpringView;
  17 import com.vaadin.ui.Alignment;
  18 import com.vaadin.ui.Button.ClickEvent;
  19 import com.vaadin.ui.VerticalLayout;
  20 import com.vaadin.ui.themes.ValoTheme;
  21
  22 import eu.etaxonomy.cdm.vaadin.component.LoginDialog;
  23 import eu.etaxonomy.cdm.vaadin.event.AuthenticationAttemptEvent;
  24 import eu.etaxonomy.cdm.vaadin.event.PasswordRevoveryEvent;
  25 import eu.etaxonomy.cdm.vaadin.event.RegisterNewUserEvent;
  26 import eu.etaxonomy.vaadin.mvp.AbstractView;
  27 import eu.etaxonomy.vaadin.ui.navigation.NavigationEvent;
  28
  29 /**
  30  * @author a.kohlbecker
  31  * @since Apr 25, 2017
  32  *
  33  */
  34 @SpringView(name=LoginViewBean.NAME)
  35 public class LoginViewBean  extends AbstractView<LoginPresenter> implements LoginView, View  {
  36
  37     private static final long serialVersionUID = 8527714663738364972L;
  38
  39     public static final String NAME = "login";
  40
  41     private LoginDialog loginDialog = new LoginDialog();
  42
  43     public LoginViewBean() {
  44         super();
  45     }
  46
  47     @Override
  48     protected void initContent() {
  49         VerticalLayout root = new VerticalLayout();
  50         root.setSizeFull();
  51         root.addComponent(loginDialog);
  52         root.setMargin(true);
  53         root.setComponentAlignment(loginDialog, Alignment.MIDDLE_CENTER);
  54         setCompositionRoot(root);
  55
  56         loginDialog.getLoginButton().addClickListener(e -> handleLoginClick(e));
  57         loginDialog.getLoginButton().setClickShortcut(KeyCode.ENTER);
  58         loginDialog.getRegisterButton().addClickListener(e -> getViewEventBus().publish(EventScope.UI, this, new RegisterNewUserEvent(e)));
  59         loginDialog.getSendOnetimeLogin().addClickListener(e -> getViewEventBus().publish(EventScope.UI, this, new PasswordRevoveryEvent(e)));
  60         // NOTE: null viewName will be replaced by the default view name in NavigationManagerBean
  61         loginDialog.getCancelLoginButton().addClickListener(e -> getViewEventBus().publish(EventScope.UI, this, new NavigationEvent(null)));
  62         loginDialog.getCancelRegistrationButton().addClickListener(e -> getViewEventBus().publish(EventScope.UI, this, new NavigationEvent(null)));
  63     }
  64
  65     /**
  66      * @param e
  67      */
  68     private void handleLoginClick(ClickEvent e) {
  69         getViewEventBus().publish(EventScope.UI, this, new AuthenticationAttemptEvent(e, loginDialog.getUserName().getValue()));
  70     }
  71
  72     @Override
  73     public LoginDialog getLoginDialog(){
  74         return loginDialog;
  75     }
  76
  77     /**
  78      * {@inheritDoc}
  79      */
  80     @Override
  81     // TODO pull up to AbstractView and let AbstractView implement View?
  82     public void enter(ViewChangeEvent event) {
  83         getPresenter().onViewEnter();
  84     }
  85
  86     @Override
  87     public void showErrorMessage(String text){
  88         loginDialog.getMessageLabel().setVisible(true);
  89         loginDialog.getMessageLabel().setStyleName(ValoTheme.BUTTON_TINY + " " +  ValoTheme.LABEL_FAILURE);
  90         loginDialog.getMessageLabel().setValue(text);
  91     }
  92
  93
  94     @Override
  95     public void clearMessage(){
  96         loginDialog.getMessageLabel().setVisible(false);
  97         loginDialog.getMessageLabel().setStyleName("");
  98         loginDialog.getMessageLabel().setValue("");
  99     }
 100 }