ch.bfh.ti.soed.hs16.srs.yellow.views.SignUpView.java Source code

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Here is the source code for ch.bfh.ti.soed.hs16.srs.yellow.views.SignUpView.java

Source

/*
 * Copyright (c) 2016 Berner Fachhochschule, Switzerland.
 *
 * Project Smart Reservation System.
 *
 * Distributable under GPL license. See terms of license at gnu.org.
 */

package ch.bfh.ti.soed.hs16.srs.yellow.views;

import com.vaadin.annotations.Theme;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener;
import com.vaadin.server.Sizeable;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.FormLayout;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Panel;
import com.vaadin.ui.PasswordField;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;

import ch.bfh.ti.soed.hs16.srs.yellow.controllers.JPAProxyDataAccessor;
import ch.bfh.ti.soed.hs16.srs.yellow.validation.EMailValidationStrategy;
import ch.bfh.ti.soed.hs16.srs.yellow.validation.PasswordValidationStrategy;
import ch.bfh.ti.soed.hs16.srs.yellow.validation.UserNameValidationStrategy;
import ch.bfh.ti.soed.hs16.srs.yellow.validation.ValidationContext;

@Theme("mytheme")
public class SignUpView extends CustomComponent implements View {

    // TODO Unused field
    private Panel sPanel = new Panel();

    private VerticalLayout signVLayout = new VerticalLayout();

    private FormLayout signFormLayout = new FormLayout();

    private HorizontalLayout sHeader = new HorizontalLayout();

    private TextField sUName = new TextField("Username");

    private PasswordField sPwd = new PasswordField("Password");

    private TextField fName = new TextField("Firstname");

    private TextField lName = new TextField("Lastname");

    private TextField emailField = new TextField("Email");

    private Button backBtn = new Button(" <- Back");

    private Button sSignUpBtn = new Button("Sign up");

    private NavigationRoot navigationRoot;

    private JPAProxyDataAccessor jpaProxyDataAccessor = new JPAProxyDataAccessor();

    private ValidationContext validationContext = new ValidationContext();

    public SignUpView() {

        sUName.setRequired(true);
        sPwd.setRequired(true);
        fName.setRequired(true);
        lName.setRequired(true);
        emailField.setRequired(true);

        sUName.setSizeFull();
        sPwd.setSizeFull();
        fName.setSizeFull();
        lName.setSizeFull();
        emailField.setSizeFull();
        sSignUpBtn.setSizeFull();

        backBtn.addClickListener(e -> {
            navigationRoot.navigator.navigateTo(NavigationRoot.MAINVIEW);
        });

        sSignUpBtn.addClickListener(e -> {
            String result = checkIfAllFieldsAreValid();
            if (!(result == "")) {
                Notification.show(result);
            } else if (checkIfAllTextEntryNonEmpty()) {
                jpaProxyDataAccessor.makeCustomer(this.sUName.getValue(), this.sPwd.getValue());
                Notification.show("User created successfully");
                backBtn.click();
            } else {
                Notification.show("Please fill all required fields to create an user!");
            }
        });

        signFormLayout.addComponents(sUName, sPwd, fName, lName, emailField, sSignUpBtn);
        signFormLayout.setMargin(true);
        signFormLayout.setWidth(500, Sizeable.Unit.PIXELS);

        sHeader.addComponent(backBtn);

        signVLayout.addComponents(sHeader, signFormLayout);
        signVLayout.setSpacing(true);
        signVLayout.setComponentAlignment(signFormLayout, Alignment.MIDDLE_CENTER);
        signVLayout.setComponentAlignment(sHeader, Alignment.TOP_RIGHT);

        setCompositionRoot(signVLayout);
    }

    private boolean checkIfAllTextEntryNonEmpty() {
        return sUName.getValue() != "" && sPwd.getValue() != "" && fName.getValue() != "" && lName.getValue() != ""
                && emailField.getValue() != "";
    }

    private String checkIfAllFieldsAreValid() {

        validationContext.setStrategy(new UserNameValidationStrategy());
        if (!validationContext.executeStrategy(sUName.getValue())) {
            return "Sorry, seems like your username contains invalid symbols.\n "
                    + "Only alphanumeric characters are allowed";
        }
        validationContext.setStrategy(new PasswordValidationStrategy());
        if (!validationContext.executeStrategy(sPwd.getValue())) {
            return "Sorry, seems like your password is not strong enough. Rules:\n "
                    + "1) A digit must occur at least once \n "
                    + "2) A lower and upper case letter must occur at least once \n "
                    + "3) A special character must occur at least once \n "
                    + "4) No whitespace allowed in the entire string \n "
                    + "5) Password must be at least eight places long.";
        }
        validationContext.setStrategy(new EMailValidationStrategy());
        if (!validationContext.executeStrategy(emailField.getValue())) {
            return "Sorry, seems like you have an invalid e-mail";
        }
        return "";
    }

    public void setNavigator(NavigationRoot navigationRoot) {
        this.navigationRoot = navigationRoot;
    }

    @Override
    public void enter(ViewChangeListener.ViewChangeEvent evt) {

    }
}