If you want to use Seam they have the ability to wrap components with messages:
http://docs.jboss.org/seam/1.2.1.GA/reference/en/html_single/#validation On 8/30/07, Peter Steiner <[EMAIL PROTECTED]> wrote: > > I have a t:dataTable where users can input numbers (a worksheet like in > excel). > I wrote a custom converter in order to convert the Strings to a Number. If > the format is not the one I expect I would like to change the css-styleClass > of the cell(s) with wrong input so the user can see quickly in which cell > the error happened (and additionally I print an error-message on top of the > screen). > > <t:dataTable var="row" value="#{Bean.list}" > > <t:column> > <t:inputText value="#{row.value}" converter="myConverter" > styleClass="#{StyleBean.style]}" /> > </t:column> > ... > </t:dataTable> > > My converter works, but I don't know how to change the style of the > input-component. The following code does not work, it changes me the error > class of the whole column! > > public Double getAsObject(FacesContext fc, UIComponent uc, String > asString) > throws ConverterException { > > Double doubleValue = null; > try { > ..... //convert the string to a double > } catch (Exception e) { > > ((HtmlInputText)uc).setStyleClass("errorStyle"); > FacesMessage facesMessage = .... > throw new ConverterException(facesMessage); > } > return doubleValue; > } > > Does anyone know how I can solve this problem? > Any help is appreciated. > > Many Thanks > Peter > -- > View this message in context: > http://www.nabble.com/t%3AdataTable%3A-how-to-change-css-style-on-single-cells-after-conversion-error--tf4355282.html#a12410633 > Sent from the MyFaces - Users mailing list archive at Nabble.com. > >
