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I have a primefaces datatable with a lot of similar columns such as

 <p:column filterBy="#{element.value}" filterFunction="#{applicationHelperController.filterByNumber}" styleClass="ps-90-header" > <f:facet name="header"> <p:tooltip for="@next" value="Some header tooltip"/> <h:outputText id="#{header}_id" value="Some header" styleClass="ps-90-header" /> </f:facet> <h:outputText value="#{element.value}" /> </p:column>

Is there a way of creating a composite for it such as to write

<mine:column value="#{element.value}" header="Some header" headerTooltip="Some header tooltip" />

I've been searching/trying things for a day now without any real success. I've managed to use an <ui:include...> with params but it's almost as verbose as the original

 <ui:include src="/WEB-INF/includes/countColumn.xhtml" > <ui:param name="value" value="#{element.value}"/> <ui:param name="header" value="Some header"/> <ui:param name="headerTooltip" value="Some header tooltip"/> </ui:include>

I've tried using taglib as preconized here How to create a composite component for a datatable column? even if it uses richfaces and this solution Column as Composite Component inside DataTable but none work.

I've also read somewhere that <p:column...> should be a direct child of <p:datatable...> so it is not possible but I believe that was with old primefaces version (3 or 4).

So, does anyone know if it is possible with Primefaces 6 or 8 and if so how?

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You can use custom Facelet tags to DRY your code.

Simply create tags for columns like:

<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://xmlns.jcp.org/jsf/facelets" xmlns:p="http://primefaces.org/ui"> <p:column ...> ... </p:column> </ui:composition>

This is how a table looks in one of our projects:

<dt:dataTable controller="#{controller}" sortField="activationDate"> <dt:column id="id"/> <dt:columnDate id="activationDate"/> ... <dt:dataTable/>
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Thanks @Jasper, this did the trick... well almost. I got my columns to display and all but I'm using a custom filter function with the filterFunction attribute and only the last column filters correctly. The other just dont filter anything (they seem to be ignored). Works fine when I use explicit p:column tags though. Any idea why? I guess I should really create a new thread for this problem!
No idea.. we use custom filtering. Maybe add a new question and add some details.

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