Grouping columns under a single header in JSF

Question

Grouping columns under a single header in JSF

9.8k views Asked by Jaime Garcia At 14 September 2024 at 14:25

Is there a way using JSF to group two or more columns under a single parent column in JSF? I have a dataTableEx with hx:columnEx columns inside of it. What I want is something like this:

 [MAIN HEADER FOR COL1+2   ][Header for Col 3+4]

 [ COL1 Header][COL2 Header][COL3    ][COL 4   ] 

 Data          Data             Data     Data

 Data          Data             Data     Data

 Data          Data             Data     Data

 Data          Data             Data     Data

Data Data Data Data

Thanks

Original Q&A

There are 3 answers

Romain Linsolas On 04 November 2008 at 07:47

Maybe you can have a look to advanced components libraries, such as RichFaces that offer more complex structures for datatables, like in this example.

Elie On 03 November 2008 at 17:22

Your best bet is likely to use nested tables for the first header (first header in the outer table, and your second header and data inside a nested table) so that it looks like two headers.

**McDowell** · Accepted Answer · 2008-11-05 17:31:05

You can probably achieve what you want with the table header, a panelGrid and a little CSS.

<style type="text/css">
.colstyle {
    width: 25%
}
</style>
</head>
<body>

<f:view>
    <h:dataTable border="1" value="#{columnsBean.rows}" var="row"
        columnClasses="colstyle">
        <f:facet name="header">
            <h:panelGrid columns="2" border="1" style="width: 100%">
                <h:outputLabel style="width: 100%" value="MAIN HEADER FOR COL1+2" />
                <h:outputLabel style="width: 100%" value="MAIN HEADER FOR COL3+4" />
            </h:panelGrid>
        </f:facet>
        <h:column>
            <f:facet name="header">
                <h:outputText value="COL1 Header" />
            </f:facet>
            <h:outputLabel value="#{row.col1}" />
        </h:column>
        <h:column>
            <f:facet name="header">
                <h:outputText value="COL2 Header" />
            </f:facet>
            <h:outputLabel value="#{row.col2}" />
        </h:column>
        <h:column>
            <f:facet name="header">
                <h:outputText value="COL3 Header" />
            </f:facet>
            <h:outputLabel value="#{row.col3}" />
        </h:column>
        <h:column>
            <f:facet name="header">
                <h:outputText value="COL4 Header" />
            </f:facet>
            <h:outputLabel value="#{row.col4}" />
        </h:column>
    </h:dataTable>
</f:view>

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Grouping columns under a single header in JSF

There are 3 answers

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