Example usage for com.vaadin.ui GridLayout GridLayout

List of usage examples for com.vaadin.ui GridLayout GridLayout

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Introduction

In this page you can find the example usage for com.vaadin.ui GridLayout GridLayout.

Prototype

public GridLayout(int columns, int rows)

Source Link

Document

Constructor for a grid of given size (number of columns and rows).

Usage

From source file:module.pandabox.presentation.PandaBox.java

License:Open Source License

private void initView() {
    setCompositionRoot(root);/*from ww w.  ja  va  2 s.  c  o  m*/
    root.setSizeFull();
    root.setSplitPosition(15);
    root.setStyleName("small previews");

    previewArea.setWidth("100%");
    previewTabs = new VerticalLayout();
    previewTabs.setSizeFull();
    previewTabs.setHeight(null);

    compoundTabs = new VerticalLayout();
    compoundTabs.setSizeFull();
    compoundTabs.setHeight(null);

    bennuStylesTabs = new VerticalLayout();
    bennuStylesTabs.setSizeFull();
    bennuStylesTabs.setHeight(null);

    VerticalLayout menu = new VerticalLayout();
    menu.setSizeFull();
    menu.setStyleName("sidebar-menu");

    Button syncThemes = new Button("Sync Themes", new ClickListener() {
        @Override
        public void buttonClick(ClickEvent event) {
            syncThemes();
        }
    });
    menu.addComponent(syncThemes);
    menu.addComponent(new Label("Single Components"));
    menu.addComponent(previewTabs);
    menu.addComponent(new Label("Compound Styles"));
    menu.addComponent(compoundTabs);

    menu.addComponent(new Label("Bennu Styles"));
    menu.addComponent(bennuStylesTabs);

    root.setFirstComponent(menu);

    CssLayout toolbar = new CssLayout();
    toolbar.setWidth("100%");
    toolbar.setStyleName("toolbar");
    toolbar.addComponent(editorToggle);

    final Window downloadWindow = new Window("Download Theme");
    GridLayout l = new GridLayout(3, 2);
    l.setSizeUndefined();
    l.setMargin(true);
    l.setSpacing(true);
    downloadWindow.setContent(l);
    downloadWindow.setModal(true);
    downloadWindow.setResizable(false);
    downloadWindow.setCloseShortcut(KeyCode.ESCAPE, null);
    downloadWindow.addStyleName("opaque");
    Label caption = new Label("Theme Name");
    l.addComponent(caption);
    l.setComponentAlignment(caption, Alignment.MIDDLE_CENTER);
    final TextField name = new TextField();
    name.setValue("my-chameleon");
    name.addValidator(new RegexpValidator("[a-zA-Z0-9\\-_\\.]+", "Only alpha-numeric characters allowed"));
    name.setRequired(true);
    name.setRequiredError("Please give a name for the theme");
    downloadWindow.addComponent(name);
    Label info = new Label(
            "This is the name you will use to set the theme in your application code, i.e. <code>setTheme(\"my-cameleon\")</code>.",
            Label.CONTENT_XHTML);
    info.addStyleName("tiny");
    info.setWidth("200px");
    l.addComponent(info, 1, 1, 2, 1);

    Button download = new Button(null, new Button.ClickListener() {
        @Override
        public void buttonClick(ClickEvent event) {
            getApplication().getMainWindow().addWindow(downloadWindow);
            name.focus();
        }
    });
    download.setDescription("Donwload the current theme");
    download.setIcon(new ThemeResource("download.png"));
    download.setStyleName("icon-only");
    toolbar.addComponent(download);

    menu.addComponent(toolbar);
    menu.setExpandRatio(toolbar, 1);
    menu.setComponentAlignment(toolbar, Alignment.BOTTOM_CENTER);

}

From source file:module.pandabox.presentation.PandaBox.java

License:Open Source License

GridLayout getPreviewLayout(String caption) {
    GridLayout grid = new GridLayout(3, 1) {
        @Override/*w  ww.  j  a  v  a 2s .  c  o m*/
        public void addComponent(Component c) {
            super.addComponent(c);
            setComponentAlignment(c, "center middle");
            if (c.getStyleName() != "") {
                ((AbstractComponent) c).setDescription(
                        c.getClass().getSimpleName() + ".addStyleName(\"" + c.getStyleName() + "\")");
            } else {
                ((AbstractComponent) c).setDescription("new " + c.getClass().getSimpleName() + "()");
            }
        }
    };
    grid.setWidth("100%");
    grid.setSpacing(true);
    grid.setMargin(true);
    grid.setCaption(caption);
    grid.setStyleName("preview-grid");
    return grid;
}

From source file:net.sourceforge.javydreamercsw.validation.manager.web.ValidationManagerUI.java

License:Apache License

private Component getMenu() {
    GridLayout gl = new GridLayout(3, 3);
    gl.addComponent(new Image("", LOGO), 0, 0);
    Label version = new Label(TRANSLATOR.translate("general.version") + ": " + getVersion());
    gl.addComponent(version, 2, 2);//from   www  .java  2 s. c om
    if (getUser() != null) {
        getUser().update();
        //Logout button
        Button logout = new Button(TRANSLATOR.translate("general.logout"));
        logout.addClickListener((Button.ClickEvent event) -> {
            try {
                user.update();
                user.write2DB();
                user = null;
                main = null;
                setLocale(Locale.ENGLISH);
                updateScreen();
                // Close the session
                closeSession();
            } catch (VMException ex) {
                LOG.log(Level.SEVERE, null, ex);
            }
        });
        gl.addComponent(logout, 1, 0);
        //Notification Button
        if (getUser().getNotificationList().isEmpty() && DataBaseManager.isDemo()) {
            //For demo add a notification for users
            try {
                Lookup.getDefault().lookup(INotificationManager.class).addNotification(
                        "Welcome to ValidationManager!", NotificationTypes.GENERAL, getUser().getEntity(),
                        new VMUserServer(1).getEntity());
            } catch (Exception ex) {
                LOG.log(Level.SEVERE, null, ex);
            }
        }
        Button notification = new Button();
        if (getUser().getPendingNotifications().size() > 0) {
            notification.setCaption("" + getUser().getPendingNotifications().size()); //any number, count, etc
        }
        notification.setHtmlContentAllowed(true);
        notification.setIcon(VaadinIcons.BELL);
        notification.addClickListener((Button.ClickEvent event) -> {
            //TODO: Show notifications screen
        });
        gl.addComponent(notification, 2, 0);
    }
    gl.setSizeFull();
    return gl;
}

From source file:org.abstractform.vaadin.VaadinFormToolkit.java

License:Apache License

private AbstractComponentContainer buildSubForm(SubForm subForm, Map<String, AbstractComponent> mapComponents,
        List<String> fieldIdList, Map<String, Object> extraObjects) {
    //panel.setCaption(formEditor.getName());
    GridLayout layout = new GridLayout(subForm.getColumns(), subForm.getRows());
    layout.setWidth("100%");
    layout.setSpacing(true);//from   w w  w .ja  v a 2  s .co  m
    for (int row = 0; row < subForm.getRows(); row++) {
        for (int column = 0; column < subForm.getColumns(); column++) {
            Component component = subForm.getField(row, column);
            if (component == null) {
                layout.addComponent(new Label("&nbsp;", Label.CONTENT_XHTML));
            } else if (component instanceof Field) {
                Field editor = (Field) component;
                if (editor != null) {
                    layout.addComponent(buildField(editor, mapComponents, fieldIdList, extraObjects));
                }
            } else {
                buildComponent(component, mapComponents, fieldIdList, extraObjects);
            }
        }
    }
    return layout;
}

From source file:org.accelerators.activiti.admin.ui.GroupCreateForm.java

License:Open Source License

/**
 * /*w w  w. ja  va  2 s  .com*/
 * @param app
 */
public GroupCreateForm(AdminApp application) {

    // Set application reference
    this.app = application;

    // Enable buffering so that commit() must be called for the form.
    setWriteThrough(false);

    // Set the form to act immediately on user input.
    setImmediate(true);

    // Set form size
    setSizeFull();

    // Setup footer layout
    HorizontalLayout footer = new HorizontalLayout();
    footer.setSpacing(true);
    footer.setWidth("100%");
    footer.setVisible(true);

    // Add footer
    setFooter(footer);

    // Init buttons
    create = new Button(app.getMessage(Messages.Create), (ClickListener) this);
    close = new Button(app.getMessage(Messages.Close), (ClickListener) this);
    reset = new Button(app.getMessage(Messages.Reset), this, "discard");

    // Set button grid
    GridLayout grid = new GridLayout(3, 1);
    grid.addComponent(create, 0, 0);
    grid.addComponent(reset, 1, 0);
    grid.addComponent(close, 2, 0);
    grid.setSpacing(true);

    // Add grid to footer
    footer.addComponent(grid);

    // Right align buttons in footer
    footer.setComponentAlignment(grid, Alignment.BOTTOM_RIGHT);

    // Init group types
    types = new String[] { app.getMessage(Messages.Assignment), app.getMessage(Messages.Program),
            app.getMessage(Messages.Project), app.getMessage(Messages.Role), app.getMessage(Messages.Team),
            app.getMessage(Messages.Unit) };

    // Create combo box for group types
    groupTypes = new ComboBox("type");

    groupTypes.setFilteringMode(Filtering.FILTERINGMODE_STARTSWITH);
    for (int i = 0; i < types.length; i++) {
        groupTypes.addItem(types[i]);
    }

    // Propagate changes directly
    groupTypes.setImmediate(true);

    // Allow adding new group types
    groupTypes.setNewItemsAllowed(true);

    // Get available users
    members = new TwinColSelect(app.getMessage(Messages.Members), app.getAdminService().getUsers());

    // Set column headers
    members.setLeftColumnCaption(app.getMessage(Messages.AvailableUsers));
    members.setRightColumnCaption(app.getMessage(Messages.GroupMembers));

    // Propagate changes directly
    members.setImmediate(true);

    // Set max width
    members.setWidth("100%");

    // Field factory for over riding how fields are created
    setFormFieldFactory(new DefaultFieldFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public Field createField(Item item, Object propertyId, Component uiContext) {

            if (propertyId.equals("type")) {
                groupTypes.setWidth("100%");
                groupTypes.setRequired(false);
                groupTypes.setCaption(app.getMessage(Messages.Types));
                return groupTypes;
            }

            Field field = super.createField(item, propertyId, uiContext);

            if (propertyId.equals("id")) {
                TextField tf = (TextField) field;

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

                // Set as required field
                tf.setRequired(true);

                // Set error message
                tf.setRequiredError("Id is missing");

                // Set read only
                tf.setReadOnly(false);

            } else if (propertyId.equals("name")) {
                TextField tf = (TextField) field;

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

                // Set as required field
                tf.setRequired(true);

                // Set error message
                tf.setRequiredError(app.getMessage(Messages.GroupNameIsMissing));

            }

            field.setWidth("100%");
            return field;
        }
    });
}

From source file:org.accelerators.activiti.admin.ui.GroupEditForm.java

License:Open Source License

/**
 * /*from   www.j ava 2  s .  c om*/
 * @param app
 */
public GroupEditForm(AdminApp application) {

    // Set application reference
    this.app = application;

    // Enable buffering so that commit() must be called for the form.
    setWriteThrough(false);

    // Set the form to act immediately on user input.
    setImmediate(true);

    // Set form size
    setSizeFull();

    // Setup footer layout
    HorizontalLayout footer = new HorizontalLayout();
    footer.setSpacing(true);
    footer.setWidth("100%");
    footer.setVisible(true);

    // Add footer
    setFooter(footer);

    // Init buttons
    save = new Button(app.getMessage(Messages.Save), (ClickListener) this);
    close = new Button(app.getMessage(Messages.Close), (ClickListener) this);
    reset = new Button(app.getMessage(Messages.Reset), this, "discard");

    // Set button grid
    GridLayout grid = new GridLayout(3, 1);
    grid.addComponent(save, 0, 0);
    grid.addComponent(reset, 1, 0);
    grid.addComponent(close, 2, 0);
    grid.setSpacing(true);

    // Add grid to footer
    footer.addComponent(grid);

    // Right align buttons in footer
    footer.setComponentAlignment(grid, Alignment.BOTTOM_RIGHT);

    // Init group types
    types = new String[] { app.getMessage(Messages.Assignment), app.getMessage(Messages.Program),
            app.getMessage(Messages.Project), app.getMessage(Messages.Role), app.getMessage(Messages.Team),
            app.getMessage(Messages.Unit) };

    // Create combo box for group types
    groupTypes = new ComboBox("type");

    groupTypes.setFilteringMode(Filtering.FILTERINGMODE_STARTSWITH);
    for (int i = 0; i < types.length; i++) {
        groupTypes.addItem(types[i]);
    }

    // Propagate changes directly
    groupTypes.setImmediate(true);

    // Allow adding new group types
    groupTypes.setNewItemsAllowed(true);

    // Get available users
    members = new TwinColSelect(app.getMessage(Messages.Members), app.getAdminService().getUsers());

    // Set column headers
    members.setLeftColumnCaption(app.getMessage(Messages.AvailableUsers));
    members.setRightColumnCaption(app.getMessage(Messages.GroupMembers));

    // Propagate changes directly
    members.setImmediate(true);

    // Set max width
    members.setWidth("100%");

    // Field factory for over riding how fields are created
    setFormFieldFactory(new DefaultFieldFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public Field createField(Item item, Object propertyId, Component uiContext) {

            if (propertyId.equals("type")) {
                groupTypes.setWidth("100%");
                groupTypes.setRequired(false);
                groupTypes.setCaption(app.getMessage(Messages.Types));
                return groupTypes;
            }

            Field field = super.createField(item, propertyId, uiContext);

            if (propertyId.equals("id")) {
                TextField tf = (TextField) field;

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

                // Set as read-only. Changing the id will create a new
                // group.
                tf.setReadOnly(true);

                // Set as required field
                // tf.setRequired(true);

                // Set error message
                tf.setRequiredError("Id is missing");

            } else if (propertyId.equals("name")) {
                TextField tf = (TextField) field;

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

                // Set as required field
                tf.setRequired(true);

                // Set error message
                tf.setRequiredError(app.getMessage(Messages.GroupNameIsMissing));

            }

            field.setWidth("100%");
            return field;
        }
    });
}

From source file:org.accelerators.activiti.admin.ui.GroupTab.java

License:Open Source License

public GroupTab(AdminApp application) {

    // Set application reference
    this.app = application;

    // Set tab name
    setCaption(app.getMessage(Messages.Groups));

    // Add main layout
    VerticalLayout layout = new VerticalLayout();
    layout.setMargin(true);/*from w ww .  j av a 2 s  . c  om*/
    layout.setSpacing(true);
    layout.setSizeFull();

    // Add toolbar layout
    GridLayout toolbar = new GridLayout(2, 1);
    toolbar.setWidth("100%");
    layout.addComponent(toolbar);

    // Add create button
    create = new Button(app.getMessage(Messages.Create), (ClickListener) this);
    create.setDescription(app.getMessage(Messages.CreateGroup));
    create.setIcon(new ThemeResource("../runo/icons/16/ok.png"));
    toolbar.addComponent(create, 0, 0);
    toolbar.setComponentAlignment(create, Alignment.TOP_LEFT);

    // Add refresh button
    refresh = new Button(app.getMessage(Messages.Refresh), (ClickListener) this);
    refresh.setDescription(app.getMessage(Messages.RefreshTable));
    refresh.setIcon(new ThemeResource("../runo/icons/16/reload.png"));
    toolbar.addComponent(refresh, 1, 0);
    toolbar.setComponentAlignment(refresh, Alignment.TOP_RIGHT);

    // Add table
    table = new GroupTable(app);
    table.setSizeFull();
    layout.addComponent(table);

    // Set table to expand
    layout.setExpandRatio(table, 1.0f);

    // Root
    setCompositionRoot(layout);
}

From source file:org.accelerators.activiti.admin.ui.LoginView.java

License:Open Source License

@SuppressWarnings("serial")
public LoginView(AdminApp application) {

    // Set application reference
    this.app = application;

    // Init window caption
    app.getMainWindow().setCaption(app.getMessage(Messages.Title));

    // Set layout to full size
    setSizeFull();//from www. j a  v  a 2s.  c  o  m

    // Set style
    this.setStyleName("login-background");

    // Add header bar
    final HorizontalLayout header = new HorizontalLayout();
    header.setHeight("50px");
    header.setWidth("100%");
    addComponent(header);
    setComponentAlignment(header, Alignment.MIDDLE_CENTER);

    // Setup grid
    GridLayout loginGrid = new GridLayout(1, 2);
    loginGrid.setWidth("250px");
    addComponent(loginGrid);
    setComponentAlignment(loginGrid, Alignment.MIDDLE_CENTER);

    // Add title to header
    GridLayout logoGrid = new GridLayout(1, 1);
    loginGrid.addComponent(logoGrid, 0, 0);
    loginGrid.setComponentAlignment(logoGrid, Alignment.MIDDLE_CENTER);

    Embedded logoImage = new Embedded(null, new ThemeResource("img/login-logo.png"));
    logoImage.setType(Embedded.TYPE_IMAGE);
    logoImage.addStyleName("login-image");
    logoGrid.addComponent(logoImage, 0, 0);
    logoGrid.setComponentAlignment(logoImage, Alignment.MIDDLE_CENTER);

    // Add field and button layout
    VerticalLayout buttonLayout = new VerticalLayout();
    buttonLayout.setSizeFull();
    buttonLayout.setSpacing(true);
    buttonLayout.setMargin(false);
    buttonLayout.setStyleName("login-form");
    loginGrid.addComponent(buttonLayout, 0, 1);
    loginGrid.setComponentAlignment(buttonLayout, Alignment.MIDDLE_CENTER);

    // Add username field
    username = new TextField(app.getMessage(Messages.Username));
    username.setWidth("100%");
    buttonLayout.addComponent(username);

    // Add password field
    password = new PasswordField(app.getMessage(Messages.Password));
    password.setWidth("100%");
    buttonLayout.addComponent(password);

    // Add Login button
    buttonLayout.addComponent(login);
    buttonLayout.setComponentAlignment(login, Alignment.BOTTOM_RIGHT);

    // Set focus to this component
    username.focus();

    // Add shortcut to login button
    login.setClickShortcut(KeyCode.ENTER);

    login.addListener(new Button.ClickListener() {
        public void buttonClick(Button.ClickEvent event) {
            try {

                // Athenticate the user
                authenticate((String) username.getValue(), (String) password.getValue());

                // Switch to the main view
                app.getViewManager().switchScreen(MainView.class.getName(), new MainView(app));

            } catch (Exception e) {
                getWindow().showNotification(e.toString());
            }
        }
    });

    HorizontalLayout footer = new HorizontalLayout();
    footer.setHeight("50px");
    footer.setWidth("100%");
    addComponent(footer);

}

From source file:org.accelerators.activiti.admin.ui.MainView.java

License:Open Source License

public MainView(AdminApp application) {

    // Set application
    this.app = application;

    // Setup main layout
    setStyleName(Reindeer.LAYOUT_WHITE);
    setMargin(false);//from  w  w w .  j  a  v  a  2  s .com
    setSpacing(false);
    setSizeFull();

    // Add header
    GridLayout header = new GridLayout(2, 1);
    header.setWidth("100%");
    header.setHeight("34px");
    addComponent(header);

    // Add header styles
    header.addStyleName(Consts.HEADER);
    header.addStyleName("header");
    header.setSpacing(true);

    // Add title to header
    GridLayout logoGrid = new GridLayout(1, 1);
    header.addComponent(logoGrid, 0, 0);
    header.setComponentAlignment(logoGrid, Alignment.MIDDLE_LEFT);

    Embedded logoImage = new Embedded(null, new ThemeResource("img/header-logo.png"));
    logoImage.setType(Embedded.TYPE_IMAGE);
    logoImage.addStyleName("header-image");
    logoGrid.addComponent(logoImage, 0, 0);
    logoGrid.setComponentAlignment(logoImage, Alignment.MIDDLE_CENTER);

    // Add logout button to header
    GridLayout logoutGrid = new GridLayout(2, 1);
    Label userLabel = new Label("Signed in as: " + app.getUser().toString());
    userLabel.addStyleName("user");
    logout.setStyleName(Reindeer.BUTTON_LINK);
    logout.addStyleName("logout");
    logoutGrid.addComponent(userLabel, 0, 0);
    logoutGrid.addComponent(logout, 1, 0);
    header.addComponent(logoutGrid, 1, 0);
    header.setComponentAlignment(logoutGrid, Alignment.TOP_RIGHT);

    // Create tab sheet
    TabSheet tabs = new TabSheet();
    tabs.setSizeFull();

    // Add tab styles
    tabs.addStyleName(Reindeer.TABSHEET_BORDERLESS);
    tabs.addStyleName(Reindeer.LAYOUT_WHITE);

    // Add task view tab
    tabs.addTab(new UserTab(app));
    tabs.addTab(new GroupTab(app));

    // Add tab sheet to layout
    addComponent(tabs);
    setExpandRatio(tabs, 1.0F);

    // Add footer text
    Label footerText = new Label(app.getMessage(Messages.Footer));
    footerText.setSizeUndefined();
    footerText.setStyleName(Reindeer.LABEL_SMALL);
    addComponent(footerText);
    setComponentAlignment(footerText, Alignment.BOTTOM_CENTER);

}

From source file:org.accelerators.activiti.admin.ui.UserCreateForm.java

License:Open Source License

public UserCreateForm(AdminApp application) {

    // Set application reference
    this.app = application;

    // Enable buffering so that commit() must be called for the form.
    setWriteThrough(false);//from  ww w  .j  a v a  2s .  co m

    // Set the form to act immediately on user input.
    setImmediate(true);

    // Set form size
    setSizeFull();

    // Setup footer layout
    HorizontalLayout footer = new HorizontalLayout();
    footer.setSpacing(true);
    footer.setWidth("100%");
    footer.setVisible(true);

    // Add footer
    setFooter(footer);

    // Init buttons
    create = new Button(app.getMessage(Messages.Create), (ClickListener) this);
    close = new Button(app.getMessage(Messages.Close), (ClickListener) this);
    reset = new Button(app.getMessage(Messages.Reset), this, "discard");

    // Set button grid
    GridLayout grid = new GridLayout(3, 1);
    grid.addComponent(create, 0, 0);
    grid.addComponent(reset, 1, 0);
    grid.addComponent(close, 2, 0);
    grid.setSpacing(true);

    // Add grid to footer
    footer.addComponent(grid);

    // Right align buttons in footer
    footer.setComponentAlignment(grid, Alignment.BOTTOM_RIGHT);

    // Get all available groups
    groups = new TwinColSelect(app.getMessage(Messages.Groups), app.getAdminService().getGroups());

    // Set column headers
    groups.setLeftColumnCaption(app.getMessage(Messages.AvailableGroups));
    groups.setRightColumnCaption(app.getMessage(Messages.MemberOfGroups));

    // Propagate changes directly
    groups.setImmediate(true);

    // Max width
    groups.setWidth("100%");

    // Field factory for over riding how fields are created
    setFormFieldFactory(new DefaultFieldFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public Field createField(Item item, Object propertyId, Component uiContext) {

            Field field = super.createField(item, propertyId, uiContext);

            field.setWidth("100%");

            // field.setVisible(false);

            if (propertyId.equals("id")) {
                TextField tf = (TextField) field;

                tf.setVisible(true);

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

                // Set as required field
                tf.setRequired(true);

                // Set validator example, should not be restricted in the
                // admin ui
                // tf.addValidator(new
                // RegexpValidator("^[a-zA-Z0-9_-]{4,20}",
                // app.getMessage(Messages.InvalidUsername)));

                // Set error message
                tf.setRequiredError(app.getMessage(Messages.UsernameIsMissing));

            } else if (propertyId.equals("password")) {
                TextField tf = (TextField) field;

                tf.setVisible(true);

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

                // Set as required field
                tf.setRequired(true);

                // Set as secret (todo: use password field instead of text
                // field)
                tf.setSecret(true);

                // Set error message
                tf.setRequiredError(app.getMessage(Messages.PasswordIsMissing));

            } else if (propertyId.equals("email")) {
                TextField tf = (TextField) field;

                tf.setVisible(true);

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

                // Set as required field, should not be required by default
                // in the admin ui
                // tf.setRequired(true);

                // Set error message
                // tf.setRequiredError(application.getMessage(Messages.EmailIsMissing));

                /* Add a validator for email and make it required */
                field.addValidator(new EmailValidator(app.getMessage(Messages.EmailFormatError)));

            } else if (propertyId.equals("firstName")) {
                TextField tf = (TextField) field;

                tf.setVisible(true);

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

            } else if (propertyId.equals("lastName")) {
                TextField tf = (TextField) field;

                tf.setVisible(true);

                // Do not display "null" to the user when the field is empty
                tf.setNullRepresentation("");

            }

            return field;
        }
    });

}