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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.view;
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import org.apache.commons.lang3.StringUtils;
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import org.vaadin.spring.events.EventScope;
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import com.vaadin.data.validator.EmailValidator;
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import com.vaadin.data.validator.StringLengthValidator;
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import com.vaadin.event.ShortcutAction.KeyCode;
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import com.vaadin.navigator.View;
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import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
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import com.vaadin.spring.annotation.SpringView;
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import com.vaadin.ui.Alignment;
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import com.vaadin.ui.Button.ClickEvent;
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import com.vaadin.ui.VerticalLayout;
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import com.vaadin.ui.themes.ValoTheme;
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import eu.etaxonomy.cdm.vaadin.component.LoginDialog;
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import eu.etaxonomy.cdm.vaadin.event.AuthenticationAttemptEvent;
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import eu.etaxonomy.cdm.vaadin.event.UserAccountEvent;
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import eu.etaxonomy.vaadin.mvp.AbstractView;
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import eu.etaxonomy.vaadin.ui.navigation.NavigationEvent;
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/**
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* @author a.kohlbecker
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* @since Apr 25, 2017
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*
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*/
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@SpringView(name=LoginViewBean.NAME)
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public class LoginViewBean extends AbstractView<LoginPresenter> implements LoginView, View {
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private static final long serialVersionUID = 8527714663738364972L;
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public static final String NAME = "login";
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private LoginDialog loginDialog = new LoginDialog();
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public LoginViewBean() {
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super();
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}
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@Override
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protected void initContent() {
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VerticalLayout root = new VerticalLayout();
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root.setSizeFull();
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root.addComponent(loginDialog);
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root.setMargin(true);
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root.setComponentAlignment(loginDialog, Alignment.MIDDLE_CENTER);
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setCompositionRoot(root);
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// --- login tab
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loginDialog.getLoginButton().addClickListener(e -> handleLoginClick(e));
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loginDialog.getLoginButton().setClickShortcut(KeyCode.ENTER);
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// NOTE: null viewName will be replaced by the default view name in NavigationManagerBean
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loginDialog.getCancelLoginButton().addClickListener(e -> getViewEventBus().publish(EventScope.UI, this, new NavigationEvent(null)));
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// --- Register tab
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loginDialog.getRegisterButton().addClickListener(e -> {
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getViewEventBus().publish(this, new UserAccountEvent(UserAccountEvent.UserAccountAction.REGISTER_ACCOUNT, e));
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}
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);
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loginDialog.getCancelRegistrationButton().addClickListener(e -> getViewEventBus().publish(EventScope.UI, this, new NavigationEvent(null)));
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loginDialog.getEmail().addValidator(new EmailValidator("The enterd E-mail address is not valid."));
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loginDialog.getEmail().addValueChangeListener(e -> updateRegisterButtonState());
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// further validators added in the presenter
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// --- Password reset tab
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StringLengthValidator nameOrEmailValidator = new StringLengthValidator("Please enter your username or email address.");
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loginDialog.getUserNameOrEmail().addValidator(nameOrEmailValidator);
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loginDialog.getUserNameOrEmail().addTextChangeListener(e -> {
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String text = e.getText();
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loginDialog.getSendOnetimeLogin().setEnabled(text != null && text.length() > 1);
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});
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loginDialog.getSendOnetimeLogin().addClickListener(e -> {
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getViewEventBus().publish(this, new UserAccountEvent(UserAccountEvent.UserAccountAction.REQUEST_PASSWORD_RESET,e));
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});
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}
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private void updateRegisterButtonState() {
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loginDialog.getRegisterButton().setEnabled(StringUtils.isNoneBlank(loginDialog.getEmail().getValue()) && loginDialog.getEmail().getErrorMessage() == null);
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}
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private void handleLoginClick(ClickEvent e) {
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getViewEventBus().publish(EventScope.UI, this, new AuthenticationAttemptEvent(e, loginDialog.getUserName().getValue()));
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}
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@Override
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public LoginDialog getLoginDialog(){
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return loginDialog;
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}
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@Override
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// TODO pull up to AbstractView and let AbstractView implement View?
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public void enter(ViewChangeEvent event) {
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getPresenter().onViewEnter();
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}
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@Override
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public void showErrorMessage(String text){
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loginDialog.getLoginMessageLabel().setVisible(true);
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loginDialog.getLoginMessageLabel().setStyleName(ValoTheme.BUTTON_TINY + " " + ValoTheme.LABEL_FAILURE);
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loginDialog.getLoginMessageLabel().setValue(text);
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}
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@Override
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public void clearMessage(){
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loginDialog.getLoginMessageLabel().setVisible(false);
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loginDialog.getLoginMessageLabel().setStyleName("");
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loginDialog.getLoginMessageLabel().setValue("");
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}
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}
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