Alloy Showcase - Liferay Faces

FacesContextHelperUtil

alloy:selectOneMenu

SelectOneMenu is a UISelectOne component that renders a select element (drop down list) and enables the user to select one value. Since it extends HtmlSelectOneMenu, it supports all the features of h:selectOneMenu such as accepting f:selectItem or f:selectItems as child tags.

Default Value Usage

A default value can specified using when the value attribute is bound via EL to a model bean property.

Source Code

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<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:alloy="http://liferay.com/faces/alloy"
    xmlns:f="http://xmlns.jcp.org/jsf/core" xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
    <alloy:form>
        <alloy:outputLabel value="#{i18n['favorite-liferay-benefit']}" />
        <alloy:selectOneMenu id="selectOneMenu" value="#{selectOneModelBean.benefitId}">
            <f:converter converterId="javax.faces.Long" />
            <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" />
        </alloy:selectOneMenu>
        <hr />
        <alloy:commandButton action="#{selectOneBackingBean.submit}" render="@form" value="#{i18n['submit']}" />
        <alloy:outputText id="modelValue" value="#{selectOneModelBean.benefitId}" />
    </alloy:form>
</ui:composition>
 
 
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@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;
    }
}
 
 
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@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);
    }
}
 
 
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Liferay Faces Alloy 4.1.1 + Liferay Faces Bridge Implementation 5.0.0 + Showcase Common 4.0.0 + Liferay Faces Util 3.4.1 + Mojarra 2.2.20

Nodo: liferay-75cdbc7df5-mdsvm:8080: