changing label to listbox N element item

code: null
 <listbox id="box"  fixedLayout="true" model='@{win$composer.allSalon}' selectedItem='@{win$composer.current}'>
<listhead sizable="true">
                    <listheader label="Campus"  /> 
                    <listheader label="Id Salón"  />
                    <listheader label="Nombre '  />
                    <listheader label="Descripción ' />
                    <listheader label="Capacidad ' />
                    <listheader label="Tipo ' />
                </listhead>
                <listitem self='@{each='salon'}' value='@{salon}' id="oraitem">
                    <listcell label='@{salon.salonPK.idcampus}' id="celdacampus"/>
                    <listcell label='@{salon.salonPK.idsalon}' />
                    <listcell label='@{salon.nombre}' />
                    <listcell label='@{salon.descripcion}' />
                    <listcell label='@{salon.capacidad}' />
                    <listcell label='@{salon.tipo}' />
                </listitem>
</listbox> 
code: null
 
 
 
 inside my controller class y can change thelabel of the first index of each row of the model shown by doing something like this...
 
 
for(int i=0; i< box.getModel().getSize(); i++){
    box.getItemAtIndex(i).setLabel( ((Salon) box.getModel().getElementAt(i)).getCampus().getNombre() );
} 
but i don´t know how to do what i described above. Any help would be appreciated.
Mike
 
 
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