Note that one problem you have in the example above is that you're
using #{flightConfig.table.getRowData} instead of
#{flightConfig.table.rowData}
On 11/29/05, Susan Cline <[EMAIL PROTECTED]> wrote:
> Hi Simon,
>
> I apologize for the slow response, I was on vacation all last week and just
> checked my email yesterday. I really appreciate your help, and I've got
> some more questions if you wouldn't mind taking a look. My responses are
> below in bold type.
>
> Thanks,
>
> Susan
>
> Simon Kitching <[EMAIL PROTECTED]> wrote:
>
>
> Volker Weber wrote:
> > Hi Susan,
> >
> > Susan Cline wrote:
> >> Hi,
> >>
> >> Here's the use of the saveState in the FlightList.jsp
> >> file:
> >>
> >>
> >>
> >>
> >> Within this page I'm using a datatable to get the
> >> available flights in the flightConfig bean:
> >>
> >> >> headerClass="standardTable_Header"
> >> footerClass="standardTable_Header"
> >> rowClasses="standardTable_Row1,standardTable_Row2"
> >>
> >>
> columnClasses="standardTable_ColumnCentered,standardTable_ColumnCentered,standardTable_ColumnCentered,standardTable_ColumnCentered,standardTable_ColumnCentered"
> >> var="flight" value="#{flightConfig.availableFlights}"
> >> preserveDataModel="false" rows="5">
> >>
> >>
> >>
> >>
> >>
> >>
> >
> > the saveState tag does not work for the datatables local variable
> > 'flight'. This bean is set into request(?) by the datatable before
> > processing each row and i think it should removed after then.
> > Did you get an exception when accessing the 'flight' bean on your
> > CreditCard.jsp page?
>
> Ahh .. I didn't see that #{flight} is the "row variable" for the table.
> Yes, I agree with Volker that this won't work; that variable only exists
> while the row is being rendered.
>
> Are you trying to figure out which row was selected when the link was
> clicked? If so, you can do this by accessing the table component or the
> DataModel of that table from the #{flight.selectedFlight} method.
>
>
> Yes, I am. Okay, this makes sense.
>
> Is method #{flightConfig.availableFlights} returning a DataModel object?
> If so, then in your #{flight.selectedFlight} method you just need to ask
> that DataModel object what the current row is by calling getRowData() or
> getRowIndex(). This works because the link is "immediate". The table
> repeats the following for each row:
> * set row index
> * ask all children of the table to process themselves
> When the row with the clicked link is processed, the action callback is
> executed - and the table's rowIndex (and thus rowData) field is
> referring to the row that is being processed.
>
>
>
> No, it is not. I tried to do it that way yesterday and was not successful.
>
> If you're just returning a List from that method and allowing the table
> component to automatically create a DataModel wrapper for the list then
> you will instead need to get access to the table by specifying a
> "binding" attribute, eg binding="#{flightConfig.table}". Method
> FlightConfig.setTable(UIData component) will then be called so that your
> backing bean gets a reference to the table component.
>
>
>
> It is returning a List. Today I have tried doing it this way, but am still
> having a problem. Let me explain what I've done. For the datatable I added
> the binding you suggested in my FlightList.jsp:
>
>
>
> (Style class stuff omitted)
>
>
>
> <t:dataTable id="data" var="flight" value="#{flightConfig.availableFlights}"
> binding="#{flightConfig.table}" preserveDataModel="true" rows="5">
>
>
>
> Now, in the FlightConfigurator managed bean (flightConfig) I added a private
> member UIData (I had to make it transient, otherwise I got a
> NotSeriablizable exception ??):
>
>
>
> private transient UIData table;
>
>
>
> ....
>
>
>
> public void setTable(UIData component) {
> table = component;
>
> }
>
> public UIData getTable() {
> return table;
> }
>
>
>
> Now in CreditCard.jsp I'm trying to get the Row Data related to the
> HtmlDataTable using this syntax:
>
>
>
> <h:outputText value="this is the flight: #{flightConfig.table.getRowData}"/>
>
>
> But this doesn't work, I get this error:
>
>
>
> Nov 29, 2005 10:29:04 AM
> org.apache.myfaces.renderkit.RendererUtils getStringValue
>
> SEVERE: Property not found - called by component : {Component-Path : [Class:
> javax.faces.component.UIViewRoot,ViewId:
> /flights/CreditCard.jsp][Class:
> javax.faces.component.html.HtmlOutputText,Id: _id3]}
>
>
>
> Can I access the HtmlDataTable values using EL like this? If not, how can I
> get the value displayed in CreditCard.jsp?
>
>
>
> Thanks,
>
>
>
> Susan
>
>
>
> I hope this helps.
>
> Regards,
>
> Simon
>
