Example usage for com.vaadin.ui ComboBox setEmptySelectionAllowed

Introduction

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

Prototype

public void setEmptySelectionAllowed(boolean emptySelectionAllowed) 

Source Link

Document

Sets whether the user is allowed to select nothing in the combo box.

Usage

From source file:dhbw.clippinggorilla.userinterface.views.ClippingView.java

public ClippingView(Clipping clipping) {
    User user = UserUtils.getCurrent();//from  w w  w.ja v  a 2s.  c o  m

    clippingArticlesLayout = new VerticalLayout();
    clippingArticlesLayout.setSpacing(true);
    clippingArticlesLayout.setMargin(false);
    clippingArticlesLayout.setSizeFull();

    HorizontalLayout clippingOptionsLayout = new HorizontalLayout();
    clippingOptionsLayout.setSpacing(true);
    clippingOptionsLayout.setMargin(false);
    clippingOptionsLayout.setWidth("100%");

    ComboBox<SortOptions> comboBoxSortOptions = new ComboBox<>(Language.get(Word.SORT_BY));
    Language.setCustom(Word.SORT_BY, s -> {
        comboBoxSortOptions.setCaption(s);
        comboBoxSortOptions.getDataProvider().refreshAll();
    });
    comboBoxSortOptions.setItems(EnumSet.allOf(SortOptions.class));
    comboBoxSortOptions.setItemCaptionGenerator(s -> s.getName());
    comboBoxSortOptions.setItemIconGenerator(s -> s.getIcon());
    comboBoxSortOptions.setValue(SortOptions.BYPROFILE);
    comboBoxSortOptions.setTextInputAllowed(false);
    comboBoxSortOptions.setEmptySelectionAllowed(false);
    comboBoxSortOptions.addStyleName("comboboxsort");
    comboBoxSortOptions.addValueChangeListener(e -> {
        switch (e.getValue()) {
        case BYDATE:
            createClippingViewByDate(clipping);
            break;
        case BYPROFILE:
            createClippingViewByProfile(clipping);
            break;
        case BYSOURCE:
            createClippingViewBySource(clipping);
            break;
        }
    });

    Button buttonRegenerateClipping = new Button(VaadinIcons.REFRESH);
    buttonRegenerateClipping.addStyleName(ValoTheme.BUTTON_PRIMARY);
    buttonRegenerateClipping.addClickListener(ce -> {
        user.setLastClipping(ClippingUtils.generateClipping(user, false));
        ClippingGorillaUI.getCurrent().setMainContent(ClippingView.getCurrent());
    });

    clippingOptionsLayout.addComponents(comboBoxSortOptions, buttonRegenerateClipping);
    clippingOptionsLayout.setExpandRatio(comboBoxSortOptions, 5);
    clippingOptionsLayout.setComponentAlignment(buttonRegenerateClipping, Alignment.BOTTOM_CENTER);

    addComponents(clippingOptionsLayout, clippingArticlesLayout);

    createClippingViewByProfile(clipping);
    if (clipping.getArticles().keySet().isEmpty() && clipping.getArticlesFromGroup().keySet().isEmpty()) {
        Label labelNoProfile = new Label();
        Language.setCustom(Word.NO_PROFILE_PRESENT, s -> labelNoProfile.setValue(s));
        labelNoProfile.addStyleName(ValoTheme.LABEL_H2);
        clippingArticlesLayout.addComponent(labelNoProfile);
    }
}

---

From source file:dhbw.clippinggorilla.userinterface.views.FooterBar.java

public FooterBar() {
    setColumns(6);/*from  w  w  w  . ja  v  a  2s .  c  o m*/
    setRows(1);
    addStyleName("menubar");
    setWidth("100%");
    setHeightUndefined();
    setColumnExpandRatio(4, 5);
    setSpacing(true);
    setMargin(true);

    Image logo = new Image();
    try {
        logo.setSource(new FileResource(FileUtils.getFile("images/logo_small.png").toFile()));
    } catch (FileNotFoundException ex) {
        Log.error("Could not find logo!", ex);
    }
    logo.setHeight("100%");
    addComponent(logo);
    setComponentAlignment(logo, Alignment.MIDDLE_CENTER);

    Button aboutUs = new Button();
    Language.set(Word.ABOUT_US, aboutUs);
    aboutUs.addClickListener((ce) -> {
        ClippingGorillaUI.getCurrent().setMainContent(AboutUsView.getCurrent());
    });
    aboutUs.setIcon(VaadinIcons.USERS);
    aboutUs.addStyleName(ValoTheme.BUTTON_BORDERLESS);
    addComponent(aboutUs);
    setComponentAlignment(aboutUs, Alignment.MIDDLE_CENTER);

    Button docs = new Button();
    Language.set(Word.DOCUMENTS, docs);
    docs.addClickListener(ce -> {
        ClippingGorillaUI.getCurrent().setMainContent(DocumentsView.getCurrent());
    });
    docs.setIcon(VaadinIcons.ARCHIVE);
    docs.addStyleName(ValoTheme.BUTTON_BORDERLESS);
    addComponent(docs);
    setComponentAlignment(docs, Alignment.MIDDLE_CENTER);

    Button impressum = new Button();
    Language.set(Word.IMPRESSUM, impressum);
    impressum.addClickListener(ce -> {
        ClippingGorillaUI.getCurrent().setMainContent(ImpressumView.getCurrent());
    });
    impressum.setIcon(VaadinIcons.SCALE);
    impressum.addStyleName(ValoTheme.BUTTON_BORDERLESS);
    addComponent(impressum);
    setComponentAlignment(impressum, Alignment.MIDDLE_CENTER);

    Label spacing = new Label();
    addComponent(spacing);
    setComponentAlignment(spacing, Alignment.MIDDLE_CENTER);

    ComboBox<Locale> languages = new ComboBox<>(null, Language.getAllLanguages().keySet());
    languages.setItemCaptionGenerator(loc -> loc.getDisplayLanguage(loc));
    if (!Language.getAllLanguages().containsKey(VaadinSession.getCurrent().getLocale())) {
        languages.setValue(Locale.ENGLISH);
    } else {
        languages.setValue(VaadinSession.getCurrent().getLocale());
    }
    languages.setEmptySelectionAllowed(false);
    languages.setItemIconGenerator(FooterBar::getIcon);
    languages.addValueChangeListener(
            (HasValue.ValueChangeEvent<Locale> loc) -> Language.setLanguage(loc.getValue()));
    languages.setTextInputAllowed(false);
    addComponent(languages);
    setComponentAlignment(languages, Alignment.MIDDLE_CENTER);

    SESSIONS.put(VaadinSession.getCurrent(), this);
}

---

From source file:dhbw.clippinggorilla.userinterface.windows.NewSourceWindow.java

/**
 * If no value present, choose a empty string
 *
 * @param title/*from w  w w. j a  va  2  s. co m*/
 * @param link
 * @param description
 * @param language
 * @param imageUrl
 * @return
 */
private Component getSecondStage(Source s) {
    Label header = new Label(Language.get(Word.SOURCE));
    header.addStyleName(ValoTheme.LABEL_H1);

    FormLayout forms = new FormLayout();
    forms.setSizeFull();

    TextField textFieldId = new TextField(Language.get(Word.ID));
    textFieldId.setEnabled(false);
    textFieldId.setValue(s.getId());
    textFieldId.setWidth("750px");

    TextField textFieldName = new TextField(Language.get(Word.NAME));
    textFieldName.setValue(s.getName());
    textFieldName.setWidth("750px");

    TextField textFieldDescription = new TextField(Language.get(Word.DESCRIPTION));
    textFieldDescription.setValue(s.getDescription());
    textFieldDescription.setWidth("750px");

    TextField textFieldURL = new TextField(Language.get(Word.URL));
    if (s.getUrl() != null) {
        textFieldURL.setValue(s.getUrl().toExternalForm());
    }
    textFieldURL.setWidth("750px");

    ComboBox<Category> comboBoxCategories = new ComboBox<>(Language.get(Word.CATEGORY),
            EnumSet.allOf(Category.class));
    comboBoxCategories.setItemCaptionGenerator(c -> c.getName());
    comboBoxCategories.setItemIconGenerator(c -> c.getIcon());
    comboBoxCategories.setEmptySelectionAllowed(false);
    comboBoxCategories.setTextInputAllowed(false);
    comboBoxCategories.setWidth("375px");
    if (s.getCategory() != null) {
        comboBoxCategories.setSelectedItem(s.getCategory());
    }

    ComboBox<Locale> comboBoxLanguage = new ComboBox<>(Language.get(Word.LANGUAGE), getLanguages());
    comboBoxLanguage.setItemCaptionGenerator(l -> l.getDisplayLanguage(VaadinSession.getCurrent().getLocale()));
    comboBoxLanguage.setEmptySelectionAllowed(false);
    comboBoxLanguage.setWidth("375px");
    if (!s.getLanguage().isEmpty()) {
        Locale selected = new Locale(s.getLanguage());
        comboBoxLanguage.setSelectedItem(selected);
    }

    Locale loc = VaadinSession.getCurrent().getLocale();

    Map<String, Locale> countries = getCountries();
    List<Locale> locales = countries.values().parallelStream()
            .sorted((l1, l2) -> l1.getDisplayCountry(loc).compareTo(l2.getDisplayCountry(loc)))
            .collect(Collectors.toList());
    ComboBox<Locale> comboBoxCountry = new ComboBox<>(Language.get(Word.COUNTRY), locales);
    comboBoxCountry.setItemCaptionGenerator(l -> l.getDisplayCountry(VaadinSession.getCurrent().getLocale()));
    comboBoxCountry.setItemIconGenerator(l -> FamFamFlags.fromLocale(l));
    comboBoxCountry.setEmptySelectionAllowed(false);
    comboBoxCountry.setWidth("375px");
    if (!s.getCountry().isEmpty()) {
        comboBoxCountry.setSelectedItem(countries.getOrDefault(s.getCountry(), Locale.ROOT));
    }

    Image imageLogo = new Image(Language.get(Word.LOGO));

    TextField textFieldLogo = new TextField(Language.get(Word.LOGO_URL));
    if (s.getLogo() != null) {
        textFieldLogo.setValue(s.getLogo().toExternalForm());
        imageLogo.setSource(new ExternalResource(s.getLogo()));
    }
    textFieldLogo.addValueChangeListener(ce -> imageLogo.setSource(new ExternalResource(ce.getValue())));
    textFieldLogo.setWidth("750px");

    if (imageLogo.getHeight() > 125) {
        imageLogo.setHeight("125px");
    }

    forms.addComponents(textFieldId, textFieldName, textFieldDescription, textFieldURL, comboBoxCategories,
            comboBoxLanguage, comboBoxCountry, textFieldLogo, imageLogo);

    Runnable cancel = () -> close();
    Runnable next = () -> validateSecondStage(s, textFieldId.getValue(), textFieldName.getValue(),
            textFieldURL.getValue(), textFieldDescription.getValue(),
            comboBoxCategories.getSelectedItem().orElse(null),
            comboBoxLanguage.getSelectedItem().orElse(Locale.ROOT),
            comboBoxCountry.getSelectedItem().orElse(Locale.ROOT), textFieldLogo.getValue());

    VerticalLayout windowLayout = new VerticalLayout();
    windowLayout.addComponents(header, forms, getFooter(cancel, next));
    windowLayout.setComponentAlignment(header, Alignment.MIDDLE_CENTER);
    return windowLayout;
}

---

From source file:org.jpos.qi.components.DateRangeComponent.java

License:Open Source License

private ComboBox createDateRanges() {
    ComboBox combo = new ComboBox(app.getMessage("or").toUpperCase());
    combo.setStyleName(ValoTheme.COMBOBOX_SMALL);
    combo.setEmptySelectionAllowed(false);
    combo.setItems((Object[]) DateRange.ranges);
    combo.setItemCaptionGenerator(range -> app.getMessage((String) range));
    combo.addValueChangeListener(event -> {
        if (event.getValue() != null) {
            datePickerFrom.setValue(null);
            datePickerTo.setValue(null);
            if (refreshBtn != null)
                refreshBtn.click();//from   ww w  . j  ava  2s .  c o m
        }
    });
    return combo;
}

---

From source file:org.jpos.qi.eeuser.ConsumersView.java

License:Open Source License

private ComboBox<User> createUserBox() {
    ComboBox<User> box = new ComboBox(QIUtils.getCaptionFromId("user"));
    box.setItemCaptionGenerator(User::getNickAndId);
    UsersHelper usersHelper = new UsersHelper();
    box.setDataProvider(usersHelper.getDataProvider());
    box.setEmptySelectionAllowed(false);
    return box;//  w w  w .  ja v  a  2  s.  co m
}

---

From source file:org.jpos.qi.minigl.NewEntryForm.java

License:Open Source License

private ComboBox createLayersSelector() {
    ComboBox<Layer> box = new ComboBox(app.getMessage("layer"));
    box.setItemCaptionGenerator(l -> l.getId() + " - " + l.getName());
    List layers = helper.getLayers(journal);
    if (layers != null) {
        Collections.sort(layers);
        box.setItems(layers);/*w ww.j a  va  2  s  . c  o m*/
        if (layers.size() > 0) {
            box.setValue((Layer) layers.get(0));
        }
    }
    box.setEmptySelectionAllowed(false);
    return box;
}

---