在Primefaces列组标题中搜索和过滤

Question

当primefaces数据表列标题用于过滤和排序时,它工作正常.我想将列组添加到标题,但在这种情况下,过滤和排序似乎不可能.有没有解决方法？

<p:dataTable id="tb1" value="#{hrReportController.staffShiftHistorys}" var="ss"
             rows="20"
             paginator="true"
             paginatorTemplate="{CurrentPageReport}  {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
             rowsPerPageTemplate="10,20,50"
             >
    <f:facet name="header">
        <h:outputLabel value="Shift Amendments"  style="font-size: 20px " />
    </f:facet>

    <p:columnGroup type="header">
        <p:row>
            <p:column rowspan="2" headerText="Changed at" sortBy="#{ss.createdAt}"/>
            <p:column rowspan="2" 
                      headerText="Changed by" 
                      sortBy="#{ss.creater.webUserPerson.name}"
                      filterBy="#{ss.creater.webUserPerson.name}" 
                      filterMatchMode="contains"
                      />
            <p:column colspan="4" headerText="Changed from" />
            <p:column colspan="4" headerText="Changed to" />
        </p:row>
        <p:row>
            <p:column  headerText="Code" 
                       sortBy="#{ss.staff.code}"
                       filterBy="#{ss.staff.code}" 
                       filterMatchMode="contains"/>
            <p:column  headerText="Name" 
                       sortBy="#{ss.staff.person.nameWithTitle}"
                       filterBy="#{ss.staff.person.nameWithTitle}" 
                       filterMatchMode="contains"/>
            <p:column  headerText="Roster" 
                       sortBy="#{ss.roster.name}"
                       filterBy="#{ss.roster.name}" 
                       filterMatchMode="contains"/>
            <p:column  headerText="Shift" 
                       sortBy="#{ss.shift.name}"
                       filterBy="#{ss.shift.name}" 
                       filterMatchMode="contains"/>
            <p:column  headerText="Code" 
                       sortBy="#{ss.staffShift.staff.code}"
                       filterBy="#{ss.staffShift.staff.code}" 
                       filterMatchMode="contains"/>
            <p:column  headerText="Name" 
                       sortBy="#{ss.staffShift.staff.person.nameWithInitials}"
                       filterBy="#{ss.staffShift.staff.person.nameWithInitials}" 
                       filterMatchMode="contains"/>
            <p:column  headerText="Roster" 
                       sortBy="#{ss.staffShift.roster.name}"
                       filterBy="#{ss.staffShift.roster.name}" 
                       filterMatchMode="contains"/>
            <p:column  headerText="Shift" 
                       sortBy="#{ss.staffShift.shift.name}"
                       filterBy="#{ss.staffShift.shift.name}" 
                       filterMatchMode="contains"/>
        </p:row>
    </p:columnGroup>

    <p:column headerText="Changed At" >
        <f:facet name="header">
            <h:outputLabel value="Changed At"/>
        </f:facet>
        <p:outputLabel value="#{ss.createdAt}" >
            <f:convertDateTime pattern="dd MMM yy- hh:mm a" ></f:convertDateTime>
        </p:outputLabel>
    </p:column>     
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Changed by"/>
        </f:facet>
        <p:outputLabel value="#{ss.creater.webUserPerson.name}" ></p:outputLabel>
    </p:column>     
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Code"/>
        </f:facet>
        <p:outputLabel value="#{ss.staff.code}" ></p:outputLabel>
    </p:column>   
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Name"/>
        </f:facet>
        <p:outputLabel value="#{ss.staff.person.nameWithTitle}" ></p:outputLabel>
    </p:column>  
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Roster"/>
        </f:facet>
        <p:outputLabel value="#{ss.roster.name}" ></p:outputLabel>
    </p:column>   
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Shift"/>
        </f:facet>
        <p:outputLabel value="#{ss.shift.name}" ></p:outputLabel>
    </p:column>   
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Code"/>
        </f:facet>
        <p:outputLabel value="#{ss.staffShift.staff.code}" ></p:outputLabel>
    </p:column>   
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Name"/>
        </f:facet>
        <p:outputLabel value="#{ss.staffShift.staff.person.nameWithInitials}" ></p:outputLabel>
    </p:column>                                                           
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Roster"/>
        </f:facet>
        <p:outputLabel value="#{ss.staffShift.roster.name}" ></p:outputLabel>
    </p:column>   
    <p:column >
        <f:facet name="header">
            <h:outputLabel value="Shift"/>
        </f:facet>
        <p:outputLabel value=" #{ss.staffShift.shift.name}" ></p:outputLabel>
    </p:column>   
</p:dataTable>