0 Replies Latest reply on Apr 17, 2008 5:18 PM by Alexander Eitner

    DataModel and data binding

    Alexander Eitner Newbie

      Hello,


      i try to find out how to do a databinding for a dataModel.


           @DataModel(scope=ScopeType.PAGE)
           public Collection<WorkflowPropertiesVO> tableContentProperties;
      



      The stateless sessionBean provides a @factory method, which is invoked successfully, besides all imaginable getter and setter methods.


      In the web-page, several properties are shown correctly. I like to be able to change them in a <h:form> and then submit the changes. But after pressing the submit-button, the collection stays as it is before at backend-side.


      Simplified JSF code:


      <h:form>
                  
           <h:dataTable id="flujoList" var="workflow"
                                   value="#{tableContentProperties}" 
                                    rendered="#{not empty tableContentProperties}"
                                    cellspacing="5">
                         
               <h:column>
                   <f:facet name="header"> Nombre del flujo </f:facet>
                                    #{workflow.name}
               </h:column>
               <h:column>
                   <f:facet name="header"> Form initial </f:facet>
                <h:selectOneMenu id="formInitial" value="Choose one"> 
                       <f:selectItems value="#{ProcessPropertiesManagement.allForms}" />
                  </h:selectOneMenu>                    
               </h:column>
               <h:column>
                   <f:facet name="header"> Tasks </f:facet>
                   <h:dataTable cellpadding="5" id="taskList" value="#{workflow.tasks}" var="singleTask" border="1" rendered="true">
                     <h:column>
                         <f:facet name="header"> Nombre </f:facet>
                               #{singleTask.taskName}
                     </h:column>
                     <h:column>
                         <f:facet name="header"> Critical   </f:facet>
                      <h:selectBooleanCheckbox id="newCritical"  value="#{singleTask.critical}" />       
                  </h:column>
      
                     [...]
      
                   </h:dataTable>
               </h:column>
            </h:dataTable>
            <h:commandButton action="#{ProcessPropertiesManagement.update}" value="Guardar" />
            <h:commandButton action="#{ProcessPropertiesManagement.end}" value="Cancelar" />
      </h:form>
      



      So, lets say you change the value of the first combobox and then press the update-button. But in the backend update-method, all values are still the same.


      Maybe i do something wrong with the scopes? Or maybe i dont understand how the databinding works at all...


      Any hints plz?


      Thx in advance