[jboss-user] [JBoss Seam] - Datmodel(Selection with facelets) does not work
Hello,
today i have a question about DataModelSelection. I have not found an answer for this for
more than one year. But now a solution will be greatly appreciated.
This is the starting point: (all code is simplified)
i do have a fully functinal page in my app:
| [...]
| <rich:dataTable id="experimentSiteList"
var="experimentSite" value="#{experimentSiteList}">
|
| <rich:column>
| <h:outputText size="5" id="year"
value="#{experimentSite.experiment.year}"></h:outputText>
| </rich:column>
| [...]
| <rich:column>
| <s:link id="viewFieldplan" value="Fieldplan"
| action="#{htmlFieldplanBacking.showFieldplan}"
| propagation="begin" target="Fieldplan">
| <f:param name="experimentid"
| value="#{experimentSite.experiment.experimentId}" />
| </s:link>
| </rich:column>
| </rich:dataTable>
|
and the backing contains the datamodel
@DataModel
| private List<ExperimentSite> experimentSiteList;
|
| @DataModelSelection
| @Out(required=false)
| private ExperimentSite selectedExperimentSite;
|
| @Factory("experimentSiteList")
| public void getExperimentSitesByUser() {
| experimentSiteList = experimentQuery.getResultList();
| }
|
|
The experimentSites are shown and when clicking on the link the selectedExperimentSite is
set.
The problem is:
We do need more than one of this kind of page, but with different kind of actions.
So the not working solution would be to use facelets:
[This refactored xhtml page does not work]
| <ui:component>
| <rich:dataTable id="experimentSiteList"
var="experimentSite" value="#{list}">
|
| <rich:column>
| <h:outputText size="5" id="year"
value="#{list}"></h:outputText>
| </rich:column>
| [...]
| <rich:column>
| <ui:insert
name="actions"/>
| </rich:column>
| </rich:dataTable>
| </ui:component>
|
The calling page:
| [....]
| <ui:decorate template="myTemplate.xhtml">
| <ui:param name="list" value="experimentSiteList"/>
| <ui:define name="actions">
| <s:link id="viewFieldplan" value="Fieldplan"
| action="#{htmlFieldplanBacking.showFieldplan}"
| propagation="begin" target="Fieldplan">
| <f:param name="experimentid"
| value="#{experimentSite.experiment.experimentId}" />
| </s:link>
| </ui:define>
| </ui:decorate>
| [....]
|
The List of ExperimentSites are rendered as expected. But when clicking on a link the
DataModelSelection selectedExperimentSite is null. Why?
Any insight is greatly welcomed.
Or, if you have a working solution, please share it with us. Thanks.
Ciao,
Carsten
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