I have a dialog that shows on the screen the data received from a list:
<p:dialog header="#{zona.nome}" widgetVar="vendedores" minHeight="40">
<h:outputText value="#{zonaBean.getVendedoresPorZona(zona.id)}"/> <br />
</p:dialog>
When this dialog is displayed, all the information appears on the same line, and I wanted it to be a die on each line.
Does anyone know how I can do this?
Since you did not specify what you are going to do with the list (I believe it is only for display, but the same logic applies to other structures - checkboxes, for example), there are several possible solutions (assuming that getVendersPorZona returns a list of String). In the examples, I'm using the outputText of your question for didactic purposes:
By Repeat (allows greater flexibility, not being restricted to a specific output):
<p:dialog header="#{zona.nome}" widgetVar="vendedores" minHeight="40">
<ui:repeat value="#{zonaBean.getVendedoresPorZona(zona.id)}" var="v">
<h:outputText value="#{v}"/><br />
</ui:repeat>
</p:dialog>
By Repeat of Primefaces:
<p:dialog header="#{zona.nome}" widgetVar="vendedores" minHeight="40">
<p:repeat value="#{zonaBean.getVendedoresPorZona(zona.id)}" var="v">
<h:outputText value="#{v}"/><br />
</p:repeat>
</p:dialog>
By Datafist of Primefaces:
<p:dialog header="#{zona.nome}" widgetVar="vendedores" minHeight="40">
<p:dataList value="#{zonaBean.getVendedoresPorZona(zona.id)}" var="v" itemType="disc">
<h:outputText value="#{v}"/>
</p:dataList>
</p:dialog>
By DataTable of Primefaces (useful when having an object with multiple attributes):
<p:dialog header="#{zona.nome}" widgetVar="vendedores" minHeight="40">
<p:dataTable value="#{zonaBean.getVendedoresPorZona(zona.id)}" var="v">
<p:column headerText="Vendedor">
<h:outputText value="#{v}"/>
</p:column>
</p:dataTable>
</p:dialog>
By ForEach (formerly exemplified by @ arthur-vidal):
<p:dialog header="#{zona.nome}" widgetVar="vendedores" minHeight="40">
<c:forEach var="v" items="${zonaBean.getVendedoresPorZona(zona.id)}">
<h:outputText value="#{v}"/><br />
</c:forEach>
</p:dialog>
I imagine you're displaying everything on the same line because the "< / br >" is executed only once and after displaying the outputText. It tries to put the return of this list inside a forEach.
Example:
<p:dialog header="#{zona.nome}" widgetVar="vendedores" minHeight="40">
<c:forEach items="#{zonaBean.getVendedoresPorZona(zona.id)}" var="row"
<h:outputText value="row"/> <br />
</c:forEach>
</p:dialog>