j'ai une page jsp qui aafiche deux dataTable, une est considérée comme maitre qui affiche la liste des familles et l'autre les personnes.
un autre canevas qui affiche le detail de la personne courante.
Je souhaite recuperer la personne selectionnée par clique sur la dataTable.
code de la jsp:
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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<f:view>
  <html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
        <title>Liste des Personnes par famille</title>
    </head>
    <body>
        <h:form id="formPrincipale">
           <a4j:include viewId="Entete.jsp"/>
           <a4j:include viewId="Menu.jsp"/>
           <h:inputHidden value="#{personnes.init}"/>
           <rich:spacer height="50px" />
           <center>
             <rich:tabPanel  style="width:500px;">
               <rich:tab label="Familles">
                 <%--<h:outputText  id="master_infomsg" value="#{personnes.master_message}" styleClass="valid_message" /> --%>
                 <h:panelGrid width="450px"  columns="1">
	           <%-- Forme Familles --%>
                   <rich:panel  id="master_tablepanel" header="Liste Familles" >
		      <h:outputText  id="master_infomsg" value="#{personnes.master_message}" styleClass="valid_message" />
                      <rich:dataTable
                          binding="#{personnes.master_dataTable}" onRowMouseOver="this.style.backgroundColor='#B5CEFD'"
                          onRowMouseOut="this.style.backgroundColor='#{org.richfaces.SKIN.tableBackgroundColor}'"
                          onRowClick="this.style.backgroundColor='#F1F1F1'" width="450px"
                          rows="8" id="master_tbl"  value="#{personnes.famille_list}" var="fam" >
                          <rich:column width="80px">
                             <f:facet name="header">
                                <h:outputText value="Code" />
                             </f:facet>
                             <h:outputText value="#{fam.code}" />
                          </rich:column>
                          <rich:column width="230px" >
                             <f:facet name="header">
                                <h:outputText value="Libellé" />
                             </f:facet>
                             <h:outputText value="#{fam.libelle}" />
                          </rich:column>
                          <rich:column style="text-align:center" width="70px" >
                             <f:facet name="header">
                                <h:outputText value="Modifier" />
                             </f:facet>
                             <a4j:commandLink action="#{personnes.modifierligne_master}" reRender="master_infomsg,master_tablepanel,panelinfo,crud_panel">
                                 <h:graphicImage  style="border:0"url="/images/ajax/edit16.png" />
                             </a4j:commandLink>
                          </rich:column>
                          <rich:column style="text-align:center" width="70px">
                             <f:facet name="header">
                                <h:outputText value="Supprimer" />
                             </f:facet>
                             <a4j:commandLink action="#{personnes.supprimer_master}" ajaxSingle="true" reRender="master_infomsg,master_tablepanel,panelinfo,crud_panel">
                                 <h:graphicImage style="border:0" url="/images/ajax/delete16.png" />
                             </a4j:commandLink>
                          </rich:column>
                          <f:facet name="footer">
                             <rich:datascroller />
                          </f:facet>
                      </rich:dataTable>
                   </rich:panel>
                   <%-- Fin Forme Familles --%>

                   <%-- Forme Personnes --%>
                   <rich:panel  id="details_tablepanel" header="Liste des Personnes" >
		      <h:outputText  id="details_infomsg" value="#{personnes.details_message}" styleClass="valid_message" />
                      <rich:dataTable
			  binding="#{personnes.details_DataTable}" onRowMouseOver="this.style.backgroundColor='#B5CEFD'"
                          onRowMouseOut="this.style.backgroundColor='#{org.richfaces.SKIN.tableBackgroundColor}'"
                          onRowClick="this.style.backgroundColor='#F1F1F1'" width="450px"
                          rows="8" id="details_tbl"  value="#{personnes.personne_list}" var="pers" >
                          <%--<a4j:support event="onRowClick" action="#{personnes.rowSelected}" actionListener="#{personnes.selectionChanged}"/>--%>
                          <a4j:support event="onRowClick">
				  <f:setPropertyActionListener value="#{pers}" target="#{personnes.selected}" />
                          </a4j:support>
                          <rich:column width="80px">
                             <f:facet name="header">
                                <h:outputText value="Matricule" />
                             </f:facet>
                             <h:outputText value="#{pers.matricule}" />
                          </rich:column>
                          <rich:column width="100px" >
                             <f:facet name="header">
                                <h:outputText value="Nom" />
                             </f:facet>
                             <h:outputText value="#{pers.nom}" />
                          </rich:column>
			  <rich:column width="230px" >
                             <f:facet name="header">
                                <h:outputText value="Prénoms" />
                             </f:facet>
                             <h:outputText value="#{pers.prenom}" />
                          </rich:column>
                          <rich:column style="text-align:center" width="30px" >
                             <f:facet name="header">
                                <h:outputText value="Modifier" />
                             </f:facet>
				  <a4j:commandLink action="#{personnes.modifierligne_details}" reRender="details_infomsg,details_tablepanel,panelinfo,crud_panel">
                                 <h:graphicImage  style="border:0"url="/images/ajax/edit16.png" />
                             </a4j:commandLink>
                          </rich:column>
                          <rich:column style="text-align:center" width="30px">
                             <f:facet name="header">
                                <h:outputText value="Supprimer" />
                             </f:facet>
				  <a4j:commandLink action="#{personnes.supprimer_details}" ajaxSingle="true" reRender="details_infomsg,details_tablepanel,panelinfo,crud_panel">
                                 <h:graphicImage style="border:0" url="/images/ajax/delete16.png" />
                             </a4j:commandLink>
                          </rich:column>
                          <f:facet name="footer">
                             <rich:datascroller />
                          </f:facet>
                      </rich:dataTable>
                   </rich:panel>
                   <%-- Fin Forme Personnes --%>
		   <rich:spacer height="20" />
                   <a4j:outputPanel ajaxRendered="true">
			   <rich:panel style="width:250px" rendered="#{not empty personnes.selected}">
                              <h:outputText value="#{personnes.selected.matricule}   #{personnes.selected.nom} #{personnes.selected.prenom}" />
                        </rich:panel>
                   </a4j:outputPanel>
		   <rich:spacer height="20" />
                   <%-- Forme Details Personnes --%>
	           <rich:panel  id="panelinfo" header="Informations générales">
                       <h:panelGrid columns="2"  width="400" >
                          <h:outputText value="Matricule  : " />
			  <h:inputText disabled="#{personnes.etat}"  id="matserv" value="#{personnes.pers.matricule}"size="25" maxlength="30">
                          </h:inputText>
                          <h:outputText value="Nom : " />
                          <h:inputText disabled="#{personnes.etat}" value="#{personnes.pers.nom}" id="nomserv" size="25" maxlength="50" />
                          <h:outputText value="Prénoms : " />
                          <h:inputText disabled="#{personnes.etat}" id="prenomserv" value="#{personnes.pers.prenom}" size="25" maxlength="50" />
                       </h:panelGrid>
                   </rich:panel>
                 </h:panelGrid>

		 <h:panelGrid id="crud_panel" columns="5">
                    <a4j:commandButton id="nouvserv" ajaxSingle="true" disabled="#{personnes.invetat}"
                                   reRender="master_infomsg,master_tablepanel,panelinfo,crud_panel" value="Nouveau"
                                   action="#{personnes.viderchamps_details}" style="width:85px"/>
                    <a4j:commandButton id="modifserv" ajaxSingle="true" disabled="#{personnes.invetat}"
                                   reRender="master_infomsg,master_tablepanel,panelinfo,crud_panel" value="Modifier"
                                   action="#{personnes.modifier_details}"style="width:85px"/>
                    <a4j:commandButton id="suppserv" ajaxSingle="true" disabled="#{personnes.invetat}"
                                   reRender="master_infomsg,master_tablepanel,panelinfo,crud_panel" value="Supprimer"
                                   action="#{personnes.supprimer_details}" style="width:85px"/>
                    <a4j:commandButton id="validserv" disabled="#{personnes.etat}"
                                   reRender="master_infomsg,master_tablepanel,panelinfo,crud_panel" value="Valider"
                                   action="#{personnes.create_details}" style="width:85px"/>
                    <a4j:commandButton id="annulserv" ajaxSingle="true" disabled="#{personnes.etat}"
                                   reRender="master_infomsg,master_tablepanel,panelinfo,crud_panel" value="Annuler"
                                   action="#{personnes.annuler_details}" style="width:85px"/>
                 </h:panelGrid>
               </rich:tab>
             </rich:tabPanel>
           </center>
        </h:form>
    </body>
  </html>
</f:view>
code de la bean
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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public class PersonneFamBean extends  messageBean implements Serializable  {
    private Famille     fam;
    private IService    famService;
    private IService    structService;

    private boolean     init;
    private Integer     master_index = 0;

    private List        famille_list = new ArrayList();
    private List        structure_list = new ArrayList();

    private Hashtable structurelist = new Hashtable();

    private String      master_message;
    private boolean     master_nouveau;
    private UIDataTable master_dataTable;

    // variable pour details
    private Personne pers;
    private Personne selected;

    private IService persService;
    private IService adrService;

    private List personne_list  = new ArrayList();
    private List adresse_list   = new ArrayList();

    private Hashtable personnelist  = new Hashtable();
    private Hashtable adresselist   = new Hashtable();
    private Hashtable famillelist   = new Hashtable();

    private String current_adresse;
    private String current_famille;

    private Integer     details_index = 0;
    private String      details_message;
    private boolean     details_nouveau;
    private UIDataTable details_DataTable;

    /** Creates a new instance of FamilleBean */
    public PersonneFamBean() {
       this.fam  = new Famille();
       this.pers = new Personne();
       this.pers.setAdresse(new Adresse());
       this.pers.setFamille(this.fam);
    }

    /*public boolean isInit() {

        master_message = "";
        getFamille_list();
        if (!(famille_list.isEmpty())) {
            famille_list = (List) getFamille_list();
            fam = (Famille) famille_list.get(0);
        }
        etat = true;
        invetat = !etat;
        return init;
    }*/
    public boolean isInit() {

	master_message = "";
	details_message = "";
        getAdresselist();
	// Get Famille List
        getFamille_list();
        if (!(famille_list.isEmpty())) {
            famille_list = (List) getFamille_list();
            fam = (Famille) famille_list.get(0);
        }
	// End Get Famille List
        getPersonne_list();
        if (!(personne_list.isEmpty())) {
            personne_list = (List) getPersonne_list();
            pers = (Personne) personne_list.get(0);
            //chargerAdrcombo();
	    //chargerFamcombo();
        }
        etat = true;
        invetat = !etat;
        return init;
    }
    // Méthodes pour le master
    public void viderchamps_master() {
        master_message = "";
        changeretat();
        this.fam = new Famille();
        master_nouveau = true;
    }
    public void annuler_master() {
        master_message = "";
        famille_list = (List) getFamille_list();
        fam = (Famille) famille_list.get(master_index);
        changeretat();
    }
    
    public void setInit(boolean init) {
        this.init = init;
    }

    public void create_master() {
        if (master_nouveau) {
            try {
                this.famService.save(this.fam);
                master_message = mess_insert_true;
                style_message = "valid_message";
            } catch (Exception hx) {
                hx.printStackTrace();
                master_message = mess_op_false;
                style_message = "err_message";            }
        } else {
            try {
                this.famService.update(fam);
                master_message = mess_modif_true;
                style_message = "valid_message";
            } catch (Exception hx) {
                hx.printStackTrace();
                master_message = mess_op_false;
                style_message = "err_message";            }        }
        changeretat();
    }
    public void modifierligne_master() {
        this.fam = (Famille) master_dataTable.getRowData();
        master_message = "";
        master_nouveau = false;
        changeretat();
    }
    public void modifier() {
        master_message = "";
        master_nouveau = false;
        changeretat();
    }
    public void supprimer_master() {
        try {
            this.famService.delete(fam);
            master_message = mess_del_true;
            style_message = "valid_message";
            if (master_index > 0) {
                master_index--;
            }
            famille_list = (List) getFamille_list();
            if (!famille_list.isEmpty()) {
                fam = (Famille) famille_list.get(master_index);
            } else {
                viderchamps_master();
                changeretat();
            }
        } catch (Exception hx) {
            hx.printStackTrace();
            master_message = mess_op_false;
        }
    }

    // Getters and Setters

    public UIDataTable getMaster_dataTable() {
	return master_dataTable;
    }

    public void setMaster_dataTable(UIDataTable master_dataTable) {
	this.master_dataTable = master_dataTable;
    }

    public Famille getFam() {
        return fam;
    }

    public void setFam(Famille fam) {
        this.fam = fam;
    }

    public IService getFamService() {
        return famService;
    }

    public void setFamService(IService famService) {
        this.famService = famService;
    }

    public List getFamille_list() {
        famille_list = this.famService.findAll();
        return famille_list;
    }

    public void setFamille_list(List famille_list) {
        this.famille_list = famille_list;
    }

   public Integer getMaster_index() {
	return master_index;
   }

   public void setMaster_index(Integer master_index) {
	this.master_index = master_index;
   }

   public String getMaster_message() {
	return master_message;
   }

   public void setMaster_message(String master_message) {
	this.master_message = master_message;
   }

   public boolean isMaster_nouveau() {
	return master_nouveau;
   }

   public void setMaster_nouveau(boolean master_nouveau) {
	this.master_nouveau = master_nouveau;
   }

   public IService getStructService() {
       return structService;
   }

   public void setStructService(IService structService) {
       this.structService = structService;
   }

   public List getStructure_list() {
       return structure_list;
   }

   public void setStructure_list(List structure_list) {
       this.structure_list = structure_list;
   }

   public Hashtable getStructurelist() {
       structure_list.clear();
       structurelist.clear();
       List l = this.structService.findAll();
       for (Iterator it = l.iterator(); it.hasNext();) {
           Structure obj = (Structure) l.get(l.indexOf(it.next()));
           structure_list.add(obj.getCode() + "-" + obj.getLibelle()+ "-" + obj.getCommunaute().getSigle()+ "-" + obj.getTypestructure().getLibelle());
           structurelist.put(obj.getCode() + "-" + obj.getLibelle()+ "-" + obj.getCommunaute().getSigle()+ "-" + obj.getTypestructure().getLibelle(), obj);
       }
       return structurelist;
   }

   public void setStructurelist(Hashtable structurelist) {
       this.structurelist = structurelist;
   }
   // Fin Getters and Setters

     // Méthodes pour le details
   public void viderchamps_details() {
        details_message = "";
        changeretat();
        this.pers = new Personne();
        details_nouveau = true;
    }
    public void annuler_details() {
        details_message = "";
        personne_list = (List) getPersonne_list();
        pers = (Personne) personne_list.get(details_index);
        changeretat();
    }

    public void chargerAdrcombo() {
        current_adresse = this.pers.getAdresse().getId() + "-" + this.pers.getAdresse().getPays()+ "-" + this.pers.getAdresse().getVille()+ "-" + this.pers.getAdresse().getAdr1();
    }

    public void chargerFamcombo() {
       if(this.pers == null){
	       System.out.println("personne null");
       }
       else{
	       System.out.println("personne :" + this.pers.toString());
       }
       Famille fe = this.pers.getFamille();
       if (fe == null) {
	      System.out.println("Famille null");
       }
       else{
	     System.out.println("Famille not null");
	     System.out.println("Famille " + fe.getCode());

	     System.out.println("Famille " + fe.getLot());
	     System.out.println("Famille " + fe.getLibelle());
	     System.out.println("Famille :" + fe.toString());
       }
	 current_famille = this.pers.getFamille().getCode() + "-" + this.pers.getFamille().getLibelle()+ "-" + this.pers.getFamille().getLot()+ "-" + this.pers.getFamille().getIlot();
    }


    public void create_details() {
        if (details_nouveau) {
            try {
                this.pers.setAdresse((Adresse) adresselist.get(current_adresse));
		this.pers.setFamille((Famille) famillelist.get(current_famille));
                this.persService.save(this.pers);
                details_message = mess_insert_true;
                style_message = "valid_message";
                chargerAdrcombo();
	        chargerFamcombo();
            } catch (Exception hx) {
                hx.printStackTrace();
                details_message = mess_op_false;
                style_message = "err_message";
            }
        } else {
            try {
                this.pers.setAdresse((Adresse) adresselist.get(current_adresse));
		this.pers.setFamille((Famille) famillelist.get(current_famille));
                this.persService.update(pers);
                details_message = mess_modif_true;
                style_message = "valid_message";
                chargerAdrcombo();
	        chargerFamcombo();
            } catch (Exception hx) {
                hx.printStackTrace();
                details_message = mess_op_false;
                style_message = "err_message";
            }
        }
        changeretat();
    }

    public void modifierligne_details() {
        this.pers = (Personne) details_DataTable.getRowData();
        chargerAdrcombo();
	chargerFamcombo();
        details_message = "";
        details_nouveau = false;
        changeretat();
    }

    public void modifier_details() {
        details_message = "";
        details_nouveau = false;
        changeretat();
    }

    public void supprimer_details() {
        try {
            this.persService.delete(pers);
            details_message = mess_del_true;
            style_message = "valid_message";
            if (details_index > 0) {
                details_index--;
            }
            personne_list = (List) getPersonne_list();
            if (!personne_list.isEmpty()) {
                pers = (Personne) personne_list.get(details_index);
                chargerAdrcombo();
	        chargerFamcombo();
            } else {
                viderchamps_details();
                changeretat();
            }
        } catch (Exception hx) {
            hx.printStackTrace();
            details_message = mess_op_false;
        }
    }

	public IService getAdrService() {
		return adrService;
	}

	public void setAdrService(IService adrService) {
		this.adrService = adrService;
	}

	public List getAdresse_list() {
		return adresse_list;
	}

	public void setAdresse_list(List adresse_list) {
		this.adresse_list = adresse_list;
	}

	public Hashtable getAdresselist() {
		adresse_list.clear();
                adresselist.clear();

                List l = this.adrService.findAll();
                for (Iterator it = l.iterator(); it.hasNext();) {
                    Adresse obj = (Adresse) l.get(l.indexOf(it.next()));
                    adresse_list.add(obj.getId() + "-" + obj.getPays()+ "-" + obj.getVille()+ "-" + obj.getAdr1());
                    adresselist.put(obj.getId() + "-" + obj.getPays()+ "-" + obj.getVille()+ "-" + obj.getAdr1(), obj);
                }
                return adresselist;
	}

	public void setAdresselist(Hashtable adresselist) {
		this.adresselist = adresselist;
	}

	public String getCurrent_adresse() {
		return current_adresse;
	}

	public void setCurrent_adresse(String current_adresse) {
		this.current_adresse = current_adresse;
	}

	public String getCurrent_famille() {
		return current_famille;
	}

	public void setCurrent_famille(String current_famille) {
		this.current_famille = current_famille;
	}

	public UIDataTable getDetails_DataTable() {
		return details_DataTable;
	}

	public void setDetails_DataTable(UIDataTable details_DataTable) {
		this.details_DataTable = details_DataTable;
	}

	public Integer getDetails_index() {
		return details_index;
	}

	public void setDetails_index(Integer details_index) {
		this.details_index = details_index;
	}

	public String getDetails_message() {
		return details_message;
	}

	public void setDetails_message(String details_message) {
		this.details_message = details_message;
	}

	public boolean isDetails_nouveau() {
		return details_nouveau;
	}

	public void setDetails_nouveau(boolean details_nouveau) {
		this.details_nouveau = details_nouveau;
	}

	public Personne getPers() {
		return pers;
	}

	public void setPers(Personne pers) {
		this.pers = pers;
	}

	public IService getPersService() {
		return persService;
	}

	public void setPersService(IService persService) {
		this.persService = persService;
	}

	public List getPersonne_list() {

                personne_list.clear();
                personnelist.clear();
                if (this.fam == null){
		    System.out.println("Famille nul");
		    return null;
		}
		//System.out.println("1 - Famille :"+ fam.getCode() + ' ' + fam.getLibelle());
		List l = this.persService.finds(fam);
                //List l = this.persService.findAll();
		for (Iterator it = l.iterator(); it.hasNext();) {
                    Personne obj = (Personne) l.get(l.indexOf(it.next()));
                    personne_list.add(obj);
                    personnelist.put(obj.getMatricule() + "-" + obj.getNom()+ " " + obj.getPrenom()+ "-" + obj.getCell1(), obj);
		}
	        return personne_list;
		//return personne_list;
	}

	public void setPersonne_list(List personne_list) {
		this.personne_list = personne_list;
	}

	public Hashtable getPersonnelist() {
	       personne_list.clear();
               personnelist.clear();
               if (this.fam == null){
		    System.out.println("Famille nul");
		    return null;
		}
		//System.out.println("1 - Famille :"+ fam.getCode() + ' ' + fam.getLibelle());
		List l = this.persService.finds(fam);
                //List l = this.persService.findAll();
		for (Iterator it = l.iterator(); it.hasNext();) {
                    Personne obj = (Personne) l.get(l.indexOf(it.next()));
                    personne_list.add(obj);
                    personnelist.put(obj.getMatricule() + "-" + obj.getNom()+ " " + obj.getPrenom()+ "-" + obj.getCell1(), obj);
		}
	        return personnelist;
		//return personne_list;
	}

	public void setPersonnelist(Hashtable personnelist) {
		this.personnelist = personnelist;
	}

	public Hashtable getFamillelist() {
		return famillelist;
	}

	public void setFamillelist(Hashtable famillelist) {
		this.famillelist = famillelist;
	}

        public void rowSelected() {
            System.out.println("rowSelected");
            Integer currIndex = getDetails_DataTable().getRowIndex();
            List allData = (List) getDetails_DataTable().getValue();
            Personne t = (Personne)getDetails_DataTable().getRowData();
            System.out.println("Personne: "+ t.toString());

            this.pers = (Personne) allData.get(currIndex);
            System.out.println(" Pers: "+ this.pers.toString());
        }

        public void selectionChanged(ActionEvent event) {
            System.out.println("selectionChanged");
            UIComponent comp = event.getComponent();
            Object obj = comp.getParent();
            if (obj instanceof HtmlDataTable) {
                HtmlDataTable table = (HtmlDataTable) obj;
                Object rowData = table.getRowData();
                if (rowData instanceof Personne) {
                        Personne selObj = (Personne) rowData;
                        this.pers = (Personne) selObj;
                        System.out.println(" Pers: "+ this.pers.toString());
                        }
                }
    }

	public Personne getSelected() {
		return selected;
	}

	public void setSelected(Personne selected) {
		this.selected = selected;
	}
}
j'ai essayé 2 solutions mais aucune n'a marché. Il n'y a même pas de reaction. Les codes mis en gras representent les solutions