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From "alvaro tovar" <alvaro.to...@gmail.com>
Subject Re: how selectitems and selectitem and converter
Date Fri, 14 Nov 2008 15:32:57 GMT
hello
i solved my problen, was that i have a select item whith a object id null.

jejeje

2008/11/12 alvaro tovar <alvaro.tovar@gmail.com>

> i forget of say that listfiletr is a SelectItem[] whith value= a object and
> whith label a objectname
>
> thanks
>
> 2008/11/12 alvaro tovar <alvaro.tovar@gmail.com>
>
> hello
>>
>> maybe some one know this, i need have a list o objects merge with other
>> action selects, my idea is do sometinhg like
>>
>>  <h:selectOneMenu value="#{reoffermanager.interestSelected}"
>> id="selectFilter"
>>                           style="font-family: Verdana, Arial, Helvetica,
>> sans-serif; font-size: 12px;"
>> valueChangeListener="#{reoffermanager.changeFilter}"
>>                           onchange="submit();">
>>                               <f:selectItems
>> value="#{reoffermanager.listFilter}"/>
>>
>>                             <f:selectItem itemValue="-1"
>> itemLabel="Filtros disponibles" itemDisabled="true"/>
>>                             <f:selectItem itemValue="-2"
>> itemLabel="Filtro"/>
>>                             <f:selectItem itemValue="-7"
>> itemLabel="Ocultar descartados"/>
>>                             <f:selectItem itemValue="-8"
>> itemLabel="Funciones para filtros" itemDisabled="true"/>
>>                             <f:selectItem itemValue="-9" itemLabel="Nuevo
>> Filtro"/>
>>
>>                           </h:selectOneMenu>
>>
>> the list of selectitems i need to load some change in the
>> valueChangeListener="#{reoffermanager.changeFilter}" if i select some of
>> this no problem, but when i select other of the selectitem i have this error
>>  j_id_id104:selectFilter: Error de ValidaciĆ³n: Valor no es correcto.
>> j_id_id104:selectFilter: Error de ValidaciĆ³n: Valor no es correcto. i 'am
>> using this converter mi idea is that when i select a selectitem, the
>> returned value was a new object whith the id of the itamvalue has, <0.
>>
>> public class InterestConverter implements Converter{
>>
>>
>>
>>
>>     public final Object getAsObject(final FacesContext context,
>>             final UIComponent component, final String value) {
>>                 ConstantManager constantsManager=(ConstantManager)
>> context.getApplication().getELResolver().getValue(
>>                         context.getELContext(),
>>                         null,"constantManager"
>>                         );
>>                 if(value==null)
>>                 {
>>                     return null;
>>                 }
>>
>>                 Integer id=Integer.valueOf(value);
>>         Interest inter=constantsManager.getInterestById(id);
>>                 if(inter!=null)
>>                 {
>>                     return inter;
>>                 }
>>
>>                 inter= new Interest();
>>                 inter.setInterestedId(id);
>>                 return inter;
>>     }
>>
>>     public final String getAsString(final FacesContext context,
>>             final UIComponent component, final Object object) {
>>             if(object==null)
>>             {
>>                 return null;
>>             }
>>
>>             if(object instanceof Interest)
>>             {
>>                 Interest constant=(Interest) object;
>>                 return constant.getInterestedId().toString();
>>             }else if(object instanceof Integer)
>>             {
>>                 Integer idAux=(Integer) object;
>>
>>                 return idAux.toString();
>>             }else if(object instanceof String)
>>             {
>>                 return (String) object;
>>             }else
>>             {
>>                 throw new IllegalArgumentException("object:
>> "+object.getClass().getName()+ " no es constante");
>>             }
>>     }
>>
>>
>> will be great if some one can help me
>>
>> thanks
>>
>
>

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