Re: dataTable and commandButton question

[Aaron Bartell]

Here is a small helper class I wrote to do what you are asking.
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
public class UIHelper {
   public UIHelper() {
   }
   public static Object getReqMapObj(String obj) {
       return 
FacesContext.getCurrentInstance().getExternalContext().getRequestMap().get(obj);
   }
   public static void addMessage(String componentName, String message) {
       FacesContext.getCurrentInstance().addMessage(componentName, new 
FacesMessage(message));
   }
}

To use it, it looks like this:
   public String deleteAction() {
       someObject = (SomeObject) UIHelper.getReqMapObj("varobject");
       return null;
   }
<x:dataTable var="varobject" value="#{OrderCtl.partsList}">
   <h:column>
       <f:facet name="header">
         <h:outputText value="Part Number"/>
       </f:facet>
       <h:outputText value="#{varobject.id}" styleClass="copy"/>
   </h:column>                                           
   <h:column>
       <f:facet name="header">
           <h:outputText value="Action"/>
       </f:facet>
       <h:commandButton action="#{OrderCtl.deleteAction}"/>
   </h:column>                                                          
                                                                       
                  </x:dataTable>   

HTH,
Aaron Bartell
Ray Clark wrote:
I'm sure this must have been asked before but I can't
find it in the archives.  So please forgive me if it
has been asked before.
I have a dataTable with a commandButton rendered on
each row.  When the commandButton is pressed I need
it's managed bean method to know which row the button
was pressed for.  So how can the method know which row
to process?
Thanks,
Ray
		
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