Question

在selectOneMenu中，当验证对f：validator，f：attribute失败时，没有调用valueChangeListener，我试着立即=＆＃34; true＆＃34;但也没有成功。任何帮助将受到高度赞赏。谢谢。以下是代码段：

<p:selectOneMenu id="firstinputselectone"   rendered="#{!dynamicUIPreEnrollmentAction.singleProfile}"
                        valueChangeListener="#{dynamicUIPreEnrollmentAction.showLayoutPreview}" 
                        styleClass="#{extraFieldDTO.isReadOnly eq '1' ?'disabledInputFieldSelectItem' :'enabledInputFieldSelectItem'}"
                        disabled="#{extraFieldDTO.isReadOnly eq '1'}"
                        value="#{extraFieldDTO.stringFieldValue}">
    <f:selectItem itemLabel="#{msg.DROP_SELECTONE}"
        id="selectItem_24" />

    <f:selectItems
        value="#{dropDownParserAction.getGenericLinkedKeyValueListMap(null,extraFieldDTO.dropDownSearchValue,extraFieldDTO.dropDownType,extraFieldDTO.firstLinkedDropDownType)}"
        id="selectItems_24655" />
    <p:ajax event="change" id="ajax_2" update="@form" />
    <f:validator validatorId="dynamicUIValidator" />
    <f:attribute name="DYNAMICUIDATAOBJECT" value="#{extraFieldDTO}" />
</p:selectOneMenu>

                                    </h:panelGroup>
                                </p:fieldset>
                                <p:spacer width="50" />
                                <p:fieldset legend="#{msg.LBL_BACKCARD}" toggleable="false"
                                    style="width:400px;height:400px;background-color:#e6e6e6">
                                    <h:panelGroup>
                                        <br clear="none" />
                                        <br clear="none" />
                                        <br clear="none" />
                                        <br clear="none" />
                                        <p:spacer height="40" />
                                        <h:graphicImage id="layout_present_idar590" rendered="#{dynamicUIPreEnrollmentAction.backProfileLayout ne null}"
                                            value="data:image/jpg;base64,#{dynamicUIPreEnrollmentAction.backProfileLayout}" />

                                    </h:panelGroup>
                                </p:fieldset>
                            </h:panelGrid>
                        </div>
                    </p:outputPanel>

Answer 1

Thanks, I got the workaround for this by using rendered="!facesContext.validationFailed" in the layouts panel which was not supposed to be rendered when validation fails.
Here is the code snippet:



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:composition xmlns:ui="http://java.sun.com/jsf/facelets"
    xmlns="http://www.w3.org/1999/xhtml"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:h="http://xmlns.jcp.org/jsf/html"
    xmlns:p="http://primefaces.org/ui">

            <p:tabView
                rendered="#{extraFieldDTO.fieldType.equals('IDENTITY_CREDENTIAL')}">
                <p:tab title="#{msg.LBL_IDENTITY_CREDENTIAL}">
                    <br clear="none" />
                    <br clear="none" />
                    <p:outputPanel autoUpdate="true">
                    <h:panelGroup
                        rendered="#{extraFieldDTO.fieldType.equals('IDENTITY_CREDENTIAL')}">
                        <h:panelGrid columns="2" style="width:100%;"
                            columnClasses="padding widthDyna,row1-padding">
                    <h:panelGroup id="panelGroup_31D0">
                        <p:outputLabel value="#{extraFieldDTO.displayText}" />
                        <h:outputText id="idar563" styleClass="red" value="*" rendered="#{extraFieldDTO.isRequiredField eq '1'}" />
                        <p:selectOneMenu id="firstinputselectone"   rendered="#{!dynamicUIPreEnrollmentAction.singleProfile}" immediate="true"
                            valueChangeListener="#{dynamicUIPreEnrollmentAction.showLayoutPreview}" 
                            styleClass="#{extraFieldDTO.isReadOnly eq '1' ?'disabledInputFieldSelectItem' :'enabledInputFieldSelectItem'}"
                            disabled="#{extraFieldDTO.isReadOnly eq '1'}"
                            value="#{extraFieldDTO.stringFieldValue}">
                            <f:selectItem itemLabel="#{msg.DROP_SELECTONE}"
                                id="selectItem_24" />

                            <f:selectItems
                                value="#{dropDownParserAction.getGenericLinkedKeyValueListMap(null,extraFieldDTO.dropDownSearchValue,extraFieldDTO.dropDownType,extraFieldDTO.firstLinkedDropDownType)}"
                                id="selectItems_24655" />
                            <p:ajax event="change" id="ajax_2" update="@form" immediate="true"/>
                            <f:validator validatorId="dynamicUIValidator" />
                            <f:attribute name="DYNAMICUIDATAOBJECT" value="#{extraFieldDTO}" />
                        </p:selectOneMenu>

                        <p:selectOneMenu id="firstinputselectone_SingleProfile"
                            rendered="#{dynamicUIPreEnrollmentAction.singleProfile}"
                            valueChangeListener="#{dynamicUIPreEnrollmentAction.showLayoutPreview}"
                            styleClass="#{extraFieldDTO.isReadOnly eq '1' ?'disabledInputFieldSelectItem' :'enabledInputFieldSelectItem'}"
                            disabled="#{extraFieldDTO.isReadOnly eq '1'}"
                            value="#{extraFieldDTO.stringFieldValue}">


                            <f:selectItems
                                value="#{dropDownParserAction.getGenericLinkedKeyValueListMap(null,extraFieldDTO.dropDownSearchValue,extraFieldDTO.dropDownType,extraFieldDTO.firstLinkedDropDownType)}"
                                id="selectItems_24655_SingleProfile" />
                            <f:validator validatorId="dynamicUIValidator" />
                            <f:attribute name="DYNAMICUIDATAOBJECT" value="#{extraFieldDTO}" />
                        </p:selectOneMenu>
                    </h:panelGroup>
                    <h:panelGroup style="width:40%">
                                <h:outputText
                                    value="#{msg.HELP_DYNA_FORM_EDIT_FIELDMGMT_HELP}:&nbsp;"
                                    rendered="#{extraFieldDTO.helpText !=null}" />
                                <h:outputText value="#{extraFieldDTO.displayText}"
                                    rendered="#{extraFieldDTO.helpText !=null}" />
                                <br clear="none" />
                                <span class="garyText"> <h:outputText
                                        value="#{extraFieldDTO.helpText}"
                                        rendered="#{extraFieldDTO.helpText !=null}" /></span>
                                <br clear="none" />

                            </h:panelGroup>
                        </h:panelGrid>
                        <br clear="none" />
                        <p:message for="firstinputselectone" id="message_38"  />
                        <br clear="none" />
                        <p:outputPanel autoUpdate="true" id="layout_Panel" rendered="#{not empty extraFieldDTO.stringFieldValue and !facesContext.validationFailed}">
                            <div align="center">
                                <h:panelGrid id="layout_present" columns="3"
                                    rendered="#{(not empty extraFieldDTO.stringFieldValue) and ((dynamicUIPreEnrollmentAction.frontProfileLayout ne null) or (dynamicUIPreEnrollmentAction.backProfileLayout ne null))}">
                                    <p:fieldset legend="#{msg.LBL_FRONTCARD}" toggleable="false"
                                        style="width:400px;height:400px;background-color:#e6e6e6">
                                        <h:panelGroup>
                                            <br clear="none" />
                                            <p:spacer height="30" />
                                            <h:graphicImage id="layout_present_idar589" rendered="#{dynamicUIPreEnrollmentAction.frontProfileLayout ne null}"
                                                value="data:image/jpg;base64,#{dynamicUIPreEnrollmentAction.frontProfileLayout}" />

                                        </h:panelGroup>
                                    </p:fieldset>
                                    <p:spacer width="50" />
                                    <p:fieldset legend="#{msg.LBL_BACKCARD}" toggleable="false"
                                        style="width:400px;height:400px;background-color:#e6e6e6">
                                        <h:panelGroup>
                                            <br clear="none" />
                                            <br clear="none" />
                                            <br clear="none" />
                                            <br clear="none" />
                                            <p:spacer height="40" />
                                            <h:graphicImage id="layout_present_idar590" rendered="#{dynamicUIPreEnrollmentAction.backProfileLayout ne null}"
                                                value="data:image/jpg;base64,#{dynamicUIPreEnrollmentAction.backProfileLayout}" />

                                        </h:panelGroup>
                                    </p:fieldset>
                                </h:panelGrid>
                            </div>
                        </p:outputPanel>
                    </h:panelGroup>
                    </p:outputPanel>
                </p:tab>
            </p:tabView>


</ui:composition>

输入验证失败时未调用valueChangeListener

1 个答案: