Alloy Showcase - Liferay Faces

FacesContextHelperUtil

alloy:inputHidden

InputHidden is a UIInput component that renders an <input> element with type=hidden. Since it extends HtmlInputHidden, it supports all the features of h:inputHidden.

Validation Usage

The value attribute can be validated via the validator attribute or by specifying a f:validator type of child tag. In addition, custom user feedback can be specified via the validatorMessage attribute.

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>
        <!-- Example 1: Validating an email address using the validator attribute. -->
        <alloy:outputText value="#{i18n['this-is-a-div-that-contains-a-hidden-input']}" />
        <alloy:field>
            <alloy:inputHidden id="hidden1" binding="#{inputHidden1}"
                validator="#{inputHiddenBackingBean.emailAddressValidator}"
                validatorMessage="#{i18n['validator-message']}"
                value="#{inputHiddenModelBean.text}" />
            <alloy:message for="hidden1" />
        </alloy:field>
        <alloy:button onclick="document.getElementById('#{inputHidden1.clientId}').value='test@liferay.com';"
            value="#{i18n['copy-a-valid-email-address-to-the-hidden-input']}" />
        <alloy:button onclick="document.getElementById('#{inputHidden1.clientId}').value='testliferay.com';"
            value="#{i18n['copy-an-invalid-email-address-to-the-hidden-input']}" />
        <alloy:button onclick="document.getElementById('#{inputHidden1.clientId}').value='';"
            value="#{i18n['clear-the-value-of-the-hidden-input']}" />
        <hr />
        <alloy:commandButton action="#{inputHiddenBackingBean.submit}" render="@form"
            value="#{i18n['submit']}" />
        <alloy:outputText id="modelValue" value="#{inputHiddenModelBean.text}" />
    </alloy:form>
    <!-- Example 2: Validating an email address using an f:validateRegex child tag. -->
    <alloy:form>
        <alloy:outputText value="#{i18n['this-is-a-div-that-contains-a-hidden-input']}" />
        <alloy:field>
            <alloy:inputHidden id="hidden2" binding="#{inputHidden2}"
                validatorMessage="#{i18n['validator-message']}"
                value="#{inputHiddenModelBean.text}">
                <f:validateRegex pattern=".+[@].+[.].+" />
            </alloy:inputHidden>
            <alloy:message for="hidden2" />
        </alloy:field>
        <alloy:button onclick="document.getElementById('#{inputHidden2.clientId}').value='test@liferay.com';"
            value="#{i18n['copy-a-valid-email-address-to-the-hidden-input']}" />
        <alloy:button onclick="document.getElementById('#{inputHidden2.clientId}').value='testliferay.com';"
            value="#{i18n['copy-an-invalid-email-address-to-the-hidden-input']}" />
        <alloy:button onclick="document.getElementById('#{inputHidden2.clientId}').value='';"
            value="#{i18n['clear-the-value-of-the-hidden-input']}" />
        <hr />
        <alloy:commandButton action="#{inputHiddenBackingBean.submit}" render="@form"
            value="#{i18n['submit']}" />
        <alloy:outputText id="modelValue" value="#{inputHiddenModelBean.text}" />
    </alloy:form>
</ui:composition>
 
 
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@ManagedBean
@RequestScoped
public class InputHiddenModelBean {
    private Date date = new GregorianCalendar().getTime();
    private String text;
    public Date getDate() {
        return date;
    }
    public String getText() {
        return text;
    }
    public void setDate(Date date) {
        this.date = date;
    }
    public void setText(String text) {
        this.text = text;
    }
}
 
 
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@ManagedBean
@RequestScoped
public class InputHiddenBackingBean {
    private static final Logger logger = LoggerFactory.getLogger(InputHiddenBackingBean.class);
    @ManagedProperty(value = "#{inputHiddenModelBean}")
    private InputHiddenModelBean inputHiddenModelBean;
    public void emailAddressValidator(FacesContext facesContext, UIComponent uiComponent, Object value)
        throws ValidatorException {
        if (value != null) {
            if (!value.toString().matches(".+[@].+[.].+")) {
                FacesMessage facesMessage = new FacesMessage();
                facesMessage.setSeverity(FacesMessage.SEVERITY_ERROR);
                throw new ValidatorException(facesMessage);
            }
        }
    }
    public void setInputHiddenModelBean(InputHiddenModelBean inputHiddenModelBean) {
        this.inputHiddenModelBean = inputHiddenModelBean;
    }
    public void submit() {
        Object value = inputHiddenModelBean.getText();
        if (value == null) {
            value = inputHiddenModelBean.getDate();
        }
        logger.info("You entered: " + value);
    }
    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

Csomópont: liferay-75cdbc7df5-zpxx7:8080: