SelectManyCheckbox is used to choose multiple items from a collection.
<style>
.grid-checkbox td {
padding: .5rem;
}
</style>
<div class="card">
<h:form>
<p:growl>
<p:autoUpdate />
</p:growl>
<h5 style="margin-top:0px">Basic Layout</h5>
<p:selectManyCheckbox id="basicAjax" value="#{checkboxView.selectedOptions}" widgetVar="blub">
<p:ajax listener="#{checkboxView.selectedOptionsChanged}" />
<f:selectItem itemLabel="Option 1" itemValue="Option 1"/>
<f:selectItem itemLabel="Option 2" itemValue="Option 2"/>
<f:selectItem itemLabel="Option 3" itemValue="Option 3"/>
</p:selectManyCheckbox>
<h5>Responsive</h5>
<p:selectManyCheckbox id="grid2" value="#{checkboxView.selectedCities2}" layout="responsive"
columns="3">
<f:selectItems value="#{checkboxView.cities}" var="city" itemLabel="#{city}" itemValue="#{city}"/>
</p:selectManyCheckbox>
<h5>Grid Layout (deprecated)</h5>
<p:selectManyCheckbox id="grid" value="#{checkboxView.selectedCities}" layout="grid" columns="3" styleClass="grid-checkbox">
<f:selectItems value="#{checkboxView.cities}" var="city" itemLabel="#{city}" itemValue="#{city}"/>
</p:selectManyCheckbox>
<h5>Custom Layout</h5>
<p:outputPanel id="customPanel">
<p:selectManyCheckbox id="custom" value="#{checkboxView.selectedOptions2}" layout="custom">
<p:ajax listener="#{checkboxView.selectedOptions2Changed}" />
<f:selectItem itemLabel="Option 1" itemValue="Option 1"/>
<f:selectItem itemLabel="Option 2" itemValue="Option 2"/>
<f:selectItem itemLabel="Option 3" itemValue="Option 3"/>
</p:selectManyCheckbox>
<div class="grid text-center">
<div class="col">
<p:outputLabel for="opt1" value="Option 1" styleClass="block mb-2"/>
<p:checkbox id="opt1" for="custom" itemIndex="0"/>
</div>
<div class="col">
<p:outputLabel for="opt2" value="Option 2" styleClass="block mb-2"/>
<p:checkbox id="opt2" for="custom" itemIndex="1"/>
</div>
<div class="col">
<p:outputLabel for="opt3" value="Option 3" styleClass="block mb-2"/>
<p:checkbox id="opt3" for="custom" itemIndex="2"/>
</div>
</div>
</p:outputPanel>
<h5>Grouped</h5>
<p:selectManyCheckbox id="grid3" value="#{checkboxView.selectedCountries}" layout="pageDirection"
columns="1" styleClass="grid-checkbox">
<f:selectItems value="#{checkboxView.countries}" var="country" itemLabel="#{country}"
itemValue="#{country}"/>
</p:selectManyCheckbox>
</h:form>
</div>
@Named
@RequestScoped
public class CheckboxView {
private String[] selectedOptions;
private String[] selectedOptions2;
private String[] selectedCities;
private String[] selectedCities2;
private List<String> cities;
private List<SelectItem> countries;
private String[] selectedCountries;
private List<Country> countries2;
private List<Country> selectedCountries2;
private List<SelectItem> countries3;
private List<Country> selectedCountries3;
@Inject
private CountryService service;
@PostConstruct
public void init() {
cities = new ArrayList<>();
cities.add("Miami");
cities.add("London");
cities.add("Paris");
cities.add("Istanbul");
cities.add("Berlin");
cities.add("Barcelona");
cities.add("Rome");
cities.add("Brasilia");
cities.add("Amsterdam");
countries = new ArrayList<>();
SelectItemGroup europeCountries = new SelectItemGroup("European Countries");
europeCountries.setSelectItems(new SelectItem[]{
new SelectItem("Germany", "Germany"),
new SelectItem("Turkey", "Turkey"),
new SelectItem("Spain", "Spain")
});
SelectItemGroup americaCountries = new SelectItemGroup("American Countries");
americaCountries.setSelectItems(new SelectItem[]{
new SelectItem("United States", "United States"),
new SelectItem("Brazil", "Brazil"),
new SelectItem("Mexico", "Mexico")
});
countries.add(europeCountries);
countries.add(americaCountries);
countries2 = service.getCountries();
countries3 = new ArrayList<>();
SelectItemGroup europeCountries3 = new SelectItemGroup("European Countries");
europeCountries3.setSelectItems(isoCodesToSelectItemArray("DE", "TR", "ES"));
SelectItemGroup americaCountries3 = new SelectItemGroup("American Countries");
americaCountries3.setSelectItems(isoCodesToSelectItemArray("US", "BR", "MX"));
countries3.add(europeCountries3);
countries3.add(americaCountries3);
}
public String[] getSelectedOptions() {
return selectedOptions;
}
public void setSelectedOptions(String[] selectedOptions) {
this.selectedOptions = selectedOptions;
}
public String[] getSelectedOptions2() {
return selectedOptions2;
}
public void setSelectedOptions2(String[] selectedOptions2) {
this.selectedOptions2 = selectedOptions2;
}
public String[] getSelectedCities() {
return selectedCities;
}
public void setSelectedCities(String[] selectedCities) {
this.selectedCities = selectedCities;
}
public String[] getSelectedCities2() {
return selectedCities2;
}
public void setSelectedCities2(String[] selectedCities2) {
this.selectedCities2 = selectedCities2;
}
public List<String> getCities() {
return cities;
}
public void setCities(List<String> cities) {
this.cities = cities;
}
public List<SelectItem> getCountries() {
return countries;
}
public void setCountries(List<SelectItem> countries) {
this.countries = countries;
}
public String[] getSelectedCountries() {
return selectedCountries;
}
public void setSelectedCountries(String[] selectedCountries) {
this.selectedCountries = selectedCountries;
}
public List<Country> getCountries2() {
return countries2;
}
public void setCountries2(List<Country> countries2) {
this.countries2 = countries2;
}
public List<Country> getSelectedCountries2() {
return selectedCountries2;
}
public void setSelectedCountries2(List<Country> selectedCountries2) {
this.selectedCountries2 = selectedCountries2;
}
public List<SelectItem> getCountries3() {
return countries3;
}
public void setCountries3(List<SelectItem> countries3) {
this.countries3 = countries3;
}
public List<Country> getSelectedCountries3() {
return selectedCountries3;
}
public void setSelectedCountries3(List<Country> selectedCountries3) {
this.selectedCountries3 = selectedCountries3;
}
public void onItemUnselect(UnselectEvent event) {
FacesMessage msg = new FacesMessage();
msg.setSummary("Item unselected: " + event.getObject().toString());
msg.setSeverity(FacesMessage.SEVERITY_INFO);
FacesContext.getCurrentInstance().addMessage(null, msg);
}
public void selectedOptionsChanged() {
String message = "selectedOptions changed to: ";
if (selectedOptions != null) {
for (int i = 0; i < selectedOptions.length; i++) {
if (i > 0) {
message += ", ";
}
message += selectedOptions[i];
}
}
FacesContext.getCurrentInstance().addMessage(null,
new FacesMessage(FacesMessage.SEVERITY_INFO, message, null));
}
public void selectedOptions2Changed() {
String message = "selectedOptions2 changed to: ";
if (selectedOptions2 != null) {
for (int i = 0; i < selectedOptions2.length; i++) {
if (i > 0) {
message += ", ";
}
message += selectedOptions2[i];
}
}
FacesContext.getCurrentInstance().addMessage(null,
new FacesMessage(FacesMessage.SEVERITY_INFO, message, null));
}
private SelectItem[] isoCodesToSelectItemArray(String... isoCodes) {
return CountryService.toCountryStream(isoCodes)
.map(country -> new SelectItem(country, country.getName()))
.toArray(SelectItem[]::new);
}
}
@Named
@ApplicationScoped
public class CountryService {
private List<Country> countries;
private Map<Integer, Country> countriesAsMap;
private List<Country> locales;
private Map<Integer, Country> localesAsMap;
public static Stream<Country> toCountryStream(String... isoCodes) {
return Stream.of(isoCodes)
.map(isoCode -> new Locale("", isoCode))
.map(CountryService::toCountry);
}
public static Country toCountry(Locale locale) {
return CountryService.toCountry(locale, false);
}
public static Country toCountry(Locale locale, boolean rtl) {
//use hash code from locale to have a reproducible ID (required for CountryConverter)
return new Country(locale.hashCode(), locale, rtl);
}
@PostConstruct
public void init() {
countries = CountryService.toCountryStream(Locale.getISOCountries())
.sorted(Comparator.comparing(Country::getName))
.collect(Collectors.toList());
locales = new ArrayList<>();
locales.add(CountryService.toCountry(Locale.US));
locales.add(CountryService.toCountry(Locale.FRANCE));
locales.add(CountryService.toCountry(Locale.GERMANY));
locales.add(CountryService.toCountry(Locale.ITALY));
locales.add(CountryService.toCountry(Locale.KOREA));
locales.add(CountryService.toCountry(new Locale("es", "ES")));
locales.add(CountryService.toCountry(new Locale("ca", "ES")));
locales.add(CountryService.toCountry(new Locale("nl", "NL")));
locales.add(CountryService.toCountry(new Locale("pt", "BR")));
locales.add(CountryService.toCountry(new Locale("pt", "PT")));
locales.add(CountryService.toCountry(new Locale("ar", "SA"), true));
locales.add(CountryService.toCountry(new Locale("cs", "CZ")));
locales.add(CountryService.toCountry(new Locale("el", "GR")));
locales.add(CountryService.toCountry(new Locale("fa", "IR"), true));
locales.add(CountryService.toCountry(new Locale("hi", "IN")));
locales.add(CountryService.toCountry(new Locale("in", "ID")));
locales.add(CountryService.toCountry(new Locale("hr", "HR")));
locales.add(CountryService.toCountry(new Locale("ja", "JP")));
locales.add(CountryService.toCountry(new Locale("hu", "HU")));
locales.add(CountryService.toCountry(new Locale("iw", "IL"), true));
locales.add(CountryService.toCountry(new Locale("ka", "GE")));
locales.add(CountryService.toCountry(new Locale("lt", "LT")));
locales.add(CountryService.toCountry(new Locale("lv", "LV")));
locales.add(CountryService.toCountry(new Locale("no", "NO")));
locales.add(CountryService.toCountry(new Locale("pl", "PL")));
locales.add(CountryService.toCountry(new Locale("ro", "RO")));
locales.add(CountryService.toCountry(new Locale("ru", "RU")));
locales.add(CountryService.toCountry(new Locale("sk", "SK")));
locales.add(CountryService.toCountry(new Locale("sl", "SI")));
locales.add(CountryService.toCountry(new Locale("sr", "RS")));
locales.add(CountryService.toCountry(new Locale("sv", "SE")));
locales.add(CountryService.toCountry(new Locale("tr", "TR")));
locales.add(CountryService.toCountry(new Locale("uk", "UA")));
locales.add(CountryService.toCountry(new Locale("vi", "VN")));
locales.add(CountryService.toCountry(Locale.SIMPLIFIED_CHINESE));
locales.add(CountryService.toCountry(Locale.TRADITIONAL_CHINESE));
}
public List<Country> getCountries() {
return new ArrayList<>(countries);
}
public Map<Integer, Country> getCountriesAsMap() {
if (countriesAsMap == null) {
countriesAsMap = getCountries().stream().collect(Collectors.toMap(Country::getId, country -> country));
}
return countriesAsMap;
}
public List<Country> getLocales() {
return new ArrayList<>(locales);
}
public Map<Integer, Country> getLocalesAsMap() {
if (localesAsMap == null) {
localesAsMap = getLocales().stream().collect(Collectors.toMap(Country::getId, country -> country));
}
return localesAsMap;
}
}