Dynamic columns?

I'm going for a similar effect to the tomahawk/richfaces/icefaces <columns> tag. Note: I'm using facelets.

     <h:form>
       <e:datatable dataModel="#{rtdBackingBean.departureDataModel}" width="100%">
         <e:dataTr>
           <e:dataTd labelText="Dest" align="center">
             <h:outputText value="#{ROW.departure.arrivalCity}"/>
           </e:dataTd>
 
           ...more static dataTd's...
 
           <ui:repeat value="#{rtdBackingBean.departureDataModel.arrivals}" var="arrival">
             <e:dataTd align="center" labelText="#{arrival.carrier}">
               <h:outputText value="0"/>
             </e:dataTd>
           </ui:repeat>
         </e:dataTr>
       </e:datatable>
     </h:form>

It's ignoring the ui:repeat. Is there a different way I should be using to lay out columns at runtime? Basically I have a predefined set of columns on the left, and then some number of columns on the right that is defined by how many arrivals are in my data model.

DataTable has a property - fixedColumnCount - for the purpose of fixing a number of left columns. You can find an example here:

http://www.simplica.com/demo-suite-release/index.jsf

Not sure why the repeat tag is not working, but you can try as an alternative binding the DataTable to a backing bean and programmatically adding the DataCells there.

This aproach you choose won't work, because e:datatable and ui:repeat components are not compatible. Bassically you don't need ui:repeat, if you are using datatable, because they do the same thing, but in different ways. The alternative you got from marc is the best approach in your case.


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