JSF Showcase
h:selectOneListbox
HtmlSelectOneListbox is a UISelectOne component that renders aselect
element (multi-item list) and enables the user to select one value.
General Usage
The value attribute can be bound to a model bean property via EL, and the size can be specified.Source Code
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:f="http://xmlns.jcp.org/jsf/core" xmlns:h="http://xmlns.jcp.org/jsf/html" xmlns:ui="http://xmlns.jcp.org/jsf/facelets"> <h:form> <h:selectOneListbox id="selectOneListbox" required="#{showcaseModelBean.selectedComponent.required}" size="4" value="#{selectOneModelBean.favoriteId}"> <f:selectItem itemLabel="-- Select --" noSelectionOption="true" /> <f:selectItem itemLabel="Compatible" itemValue="1" /> <f:selectItem itemLabel="Enterprise Ready" itemValue="2" /> <f:selectItem itemLabel="Powerful Integration" itemValue="3" /> <f:selectItem itemLabel="Lightweight" itemValue="4" /> <f:selectItem itemLabel="Open Source" itemValue="5" /> </h:selectOneListbox> <h:message for="selectOneListbox" /> <hr /> <h:commandButton action="#{selectOneBackingBean.submit}" value="#{i18n['submit']}"> <f:ajax execute="@form" render="@form" /> </h:commandButton> <h:outputText id="modelValue" value="#{selectOneModelBean.favoriteId}" /> </h:form> </ui:composition>
@ManagedBean @RequestScoped public class SelectOneModelBean { private Long favoriteId; private Long benefitId = 3L; private Date date; private String phase; @ManagedProperty(name = "liferayBenefitService", value = "#{liferayBenefitService}") private LiferayBenefitService liferayBenefitService; public Long getBenefitId() { return benefitId; } public Date getDate() { return date; } public Long getFavoriteId() { return favoriteId; } public List<LiferayBenefit> getLiferayBenefits() { return liferayBenefitService.getLiferayBenefits(); } public String getPhase() { return phase; } public void setBenefitId(Long benefitId) { this.benefitId = benefitId; } public void setDate(Date date) { this.date = date; } public void setFavoriteId(Long favoriteId) { this.favoriteId = favoriteId; } public void setLiferayBenefitService(LiferayBenefitService liferayBenefitService) { this.liferayBenefitService = liferayBenefitService; } public void setPhase(String phase) { this.phase = phase; } }
@ManagedBean @RequestScoped public class SelectOneBackingBean { private static final Logger logger = LoggerFactory.getLogger(SelectOneBackingBean.class); @ManagedProperty(name = "selectOneModelBean", value = "#{selectOneModelBean}") private SelectOneModelBean selectOneModelBean; public SelectItem[] getSelectItems() { SelectItem[] selectItems = new SelectItem[3]; for (int i = 0; i < 3; i++) { SelectItem item = new SelectItem(); item.setLabel("Item " + (i + 1)); item.setValue(i + 1); selectItems[i] = item; } return selectItems; } public void setSelectOneModelBean(SelectOneModelBean selectOneModelBean) { this.selectOneModelBean = selectOneModelBean; } public void submit() { PhaseId phaseId = FacesContext.getCurrentInstance().getCurrentPhaseId(); logger.info("submit: phaseId=[{0}] favoriteId=[{1}]", phaseId.toString(), selectOneModelBean.getFavoriteId()); } public void submitAnswer() { Date selectedDate = selectOneModelBean.getDate(); TimeZone gmtTimeZone = TimeZone.getTimeZone("GMT"); Calendar calendar = new GregorianCalendar(gmtTimeZone); if (selectedDate != null) { calendar.setTime(selectedDate); } FacesContext facesContext = FacesContext.getCurrentInstance(); FacesMessage facesMessage; if ((selectedDate != null) && (calendar.get(Calendar.MONTH) == 6) && (calendar.get(Calendar.DATE) == 4) && (calendar.get(Calendar.YEAR) == 1776)) { facesMessage = new FacesMessage("Correct!"); facesMessage.setSeverity(FacesMessage.SEVERITY_INFO); } else { facesMessage = new FacesMessage("Incorrect!"); facesMessage.setSeverity(FacesMessage.SEVERITY_ERROR); } facesContext.addMessage(null, facesMessage); } public void valueChangeListener(ValueChangeEvent valueChangeEvent) { FacesContext facesContext = FacesContext.getCurrentInstance(); PhaseId phaseId = facesContext.getCurrentPhaseId(); logger.debug("valueChangeListener: phaseId=[{0}]", phaseId.toString()); String phaseName = phaseId.toString(); FacesMessage facesMessage = new FacesMessage("The valueChangeListener method was called during the " + phaseName + " phase of the JSF lifecycle."); facesContext.addMessage(null, facesMessage); } }
Liferay Faces Bridge Implementation 5.0.0 + Showcase Common 3.1.1 + Liferay Faces Util 3.4.1 + Mojarra 2.2.20