That should work with MyFaces out of the box - the only thing you
might need to do would be to set the preserveDataModel to true - value
change listeners should not be necessary.
regards,
Martin
On 7/5/05, Bruno Aranda <[EMAIL PROTECTED]> wrote:
> Hi Jason, I have a solution for you using myfaces. There will be more
> elegant solutions, but this one should work for you:
>
> I take for granted that you have your variable-length array in a
> backing bean (call 'arrayValues' for instance), with public accessor
> methods. The code for the jsp page could look like The jsp code could
> look like
>
> [CODE]
>
> <h:form>
> <x:dataTable var="val" value="#{yourBackingBean.arrayValues}"
> rowIndexVar="indexVar">
> <h:column>
> <h:inputText value="#{val}"
> valueChangeListener="#{yourBackingBean.updateValue}">
> <f:param name="index" value="#{indexVar}"/>
> </h:inputText>
> </h:column>
> </x:dataTable>
>
> <h:commandButton value="Process array"
> action="#{yourBackingBean.processArray}"/>
>
> </h:form>
>
> [/CODE]
>
> Every inputText has its valueChangeListener and a parameter. The
> valueChangeListener should point to a method in your bean that
> retrieves the new value and the index of the changed component, in
> order to update the corresponding values of the array, something like
> this:
>
> [CODE]
>
> public void updateValue(ValueChangeEvent vce) {
> // get the new value of the inputText
> String newValue = (String) vce.getNewValue();
>
> // get the child parameter of the inputText (I know it is the
> only child), to get the index value
> UIParameter param = (UIParameter)
> vce.getComponent().getChildren().get(0);
> Integer index = (Integer) param.getValue();
>
> // update the value in the array
> arrayValues[index.intValue()] = newValue;
> }
>
> [/CODE]
>
> Then you will have, a column of inputText and one h:commandButton (in
> the example calls to a method in your backing bean called
> processArray):
>
> Hope this helps,
>
> Regards,
>
> Bruno
>
> 2005/7/5, Jason Nichols <[EMAIL PROTECTED]>:
> >
> >
> >
> > Another way of asking is can you put h:outputText inside h:dataTable without
> > a commandButton/Link on each line.
> >
> >
> >
> > Btw although I'm fairly new to jsf I'm not looking for someone to do my work
> > for me, I've been struggling for a week when I realized I've never seen
> > anything like this on ANY web page, so if it's
> >
> > just not possible I'd like to learn why.
> >
> > Regards,
> >
> > Jason
>
