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
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