Why not use an enum and BeanEditForm?
Olle
2008/12/20 dwi ardi irawan <penyihirke...@gmail.com>
> hi all....i got a little problem here
>
> i want to make this into a select component :
> if the label is "user" then the value would be : 0(Integer)
> if the label is "administrator" then the value would be : 1(Integer)
>
> i did that in this way :
> *User.java*
> private String username;
> private String password
> private Integer status;
> ......
>
> *userForm.tml*
> <tr>
> <td><t:label for="statusSelect"/></td>
> <td> :</td>
> <td><t:select t:id="statusSelect" model="statusSelectionModel"
> value="User.status" encoder="statusValueEncoder" label="Status"/></td>
> </tr>
>
> *userForm.java*
> ......
> @Property
> private User user;
> ......
>
> public List<String> getStatusList() {
> if(statusList==null){
> statusList = new ArrayList<String>();
> statusList.add("user");
> statusList.add("administrator");
> }
> return statusList;
> }
> public StatusSelectionModel getStatusSelectionModel() {
> return new StatusSelectionModel(getStatusList());
> }
>
> public ValueEncoder<Integer> getStatusValueEncoder(){
> return new StringValueEncoder();
> }
>
> *StatusSelectionModel.java*
>
> public class StatusSelectionModel implements SelectModel{
>
> private List<String> statusList;
>
> public StatusSelectionModel(List<String> formationList){
> this.statusList = formationList;
> }
> public List<OptionGroupModel> getOptionGroups() {
> return getSelectModel().getOptionGroups();
> }
>
> public List<OptionModel> getOptions() {
> return getSelectModel().getOptions();
> }
>
> public void visit(SelectModelVisitor visitor) {
> getSelectModel().visit(visitor);
>
> }
>
> public SelectModel getSelectModel() {
> List<OptionModel> optionModelList = new ArrayList<OptionModel>();
>
>
> for(String status: statusList) {
> if(status.equals("user")){
> optionModelList.add(new OptionModelImpl(status,new
> Integer(0)));
> }else if (status.equals("administrator")) {
> optionModelList.add(new OptionModelImpl(status,new
> Integer(1)));
> }
>
> }
> return new SelectModelImpl(null, optionModelList);
> }
>
> }
>
> *StringValueEncoder .java*
> public class StringValueEncoder implements ValueEncoder<Integer> {
>
> public String toClient(Integer value) {
> return value.toString();
> }
>
> public Integer toValue(String value) {
> // TODO Auto-generated method stub
> return Integer.parseInt(value);
> }
>
> }
>
>
> but i got following error when i tried to submit it :
>
> *Failure writing parameter 'value' of component UserFormPage:statusselect:
> Coercion of user to type java.lang.Integer (via String --> Long, Long -->
> Integer) failed: For input string: "user"*
>
>
> *
> *
>
> could somebody help me
>
>
> thnx u very much
>
> --
> http://dwiardiirawan.blogspot.com
> "cos everyone could be extraordinary...lighten up !"
>
--
Olle Hallin
Senior Java Developer and Architect
olle.hal...@crisp.se
www.crisp.se
