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https://issues.apache.org/jira/browse/MYFACES-2594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843297#action_12843297
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Leonardo Uribe commented on MYFACES-2594:
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At first view, I think the case with PARTIAL_STATE_SAVING=false should work
(because the whole tree is saved and restored) and the case with
PARTIAL_STATE_SAVING=true should not. We should verify these conditions first.
> Facelets state saving doesn't handle well programmatic component manipulation
> -----------------------------------------------------------------------------
>
> Key: MYFACES-2594
> URL: https://issues.apache.org/jira/browse/MYFACES-2594
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 2.0.0-beta-3
> Environment: myfaces trunk
> Reporter: Martin Koci
> Priority: Minor
>
> Simple tests (code pasted below) outputs following results:
> 1) JSP: switchs colums at every click with no problem
> 2) Facelets with javax.faces.PARTIAL_STATE_SAVING=false - no visual switch
> 3) Facelets with javax.faces.PARTIAL_STATE_SAVING=true switchs colums at
> every click with no problem
> Common code from test.jspx and test.xhtml
> ... jsp: or facelets stuff here ...
> <h:form id="form">
> <h:commandButton value="Switch columns">
> <f:actionListener binding="#{testBean}" />
> </h:commandButton>
> <h:dataTable id="table">
> <h:column>
> <f:facet name="header">
> <h:outputText value="firstName" />
> </f:facet>
> </h:column>
> <h:column>
> <f:facet name="header">
> <h:outputText value="surname" />
> </f:facet>
> </h:column>
> </h:dataTable>
> </h:form>
> @ManagedBean
> @RequestScoped
> public class TestBean implements ActionListener {
> public void processAction(ActionEvent event) throws
> AbortProcessingException {
> FacesContext context = FacesContext.getCurrentInstance();
> UIComponent table =
> context.getViewRoot().findComponent("form:table");
> UIComponent column1 = table.getChildren().get(0);
> UIComponent column2 = table.getChildren().get(1);
> table.getChildren().clear();
> table.getChildren().add(column2);
> table.getChildren().add(column1);
> }
> }
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