Alan,
Hehe, not sure it it's appropriate but a chat via msn messenger might be
quicker and more
productive. Ok if I mail it to you privately?
Izak
On 2/12/06, Alan Chandler < [EMAIL PROTECTED]> wrote:
>
> On Sunday 12 February 2006 18:21, Izak Wessels wrote:
> > Ok, let me describe my problem in a bit more detail via an analogy.
> >
> > Let's say I have a html table, called ComputerPartTable, in a file -
> > ComputerPart. This table
> > has the following columns : partID, partName,partDesc. Now the user
> > can click on the partID column and that will forward them to another
> page,
> > ComputerPartDetails, that displays the details of the selected computer
> > part.
>
> so this is a table inside some form of @For loop?
>
> <table>
> <tr jwcid="@For" source="ognl:listOfParts" value="ognl:thisPart"
> element="tr">
> <td><a jwcid="@DirectLink" listener="listener:doShowPartDetails"
> parameters="ognl:thisPart.id"><span jwcid="@Insert"
> value="ognl:thisPart.id"> ...</span></a></td>
> ... other columns
> </tr>
> </table>
>
>
>
> >
> > Now, each part has different attributes. CPU has clockspeed, fsb speed,
> > etc.
> >
> > RAM has size, speed, etc.
> >
>
> So in the java for the ComputerPart.jave
>
> InjectPage("PartDetails")
> public abstract IPage getPartDetailsPage();
>
> public IPage doShowPartDetails (int partId) {
> IPage pd = getPartDetailsPage();
> pd.setPartId();
> return pd;
> }
>
>
> > Ok, so I have created a custom component, called CPUComponentPart.jwcthat
> > lists the relevant details of a CPU component. But what I want to do is,
> I
> > want to pass
> > the partID to the CPUComponentPart.java so that I can lookup the correct
> > details of
> > the selected part.
> >
> > So in my ComputerPart I have
>
> I think you are doing this backwards maybe
> >
> > @Parameter
> > public abstract CPUComponentPart getCPUComponentPart();
>
> where does this form action get called from, is this after the user has
> filled
> stuff in?
> >
> > public void onFormAction(Integer partID) {
> > getCPUComponentPart().setPartID(partID); // this is the line where i
> am
> > getting an exception
> > }
>
>
> What you seem to be missing is the PartDetailsPage
>
> public class PartDetails extends BasePage implements PageRenderListener {
>
> public abstract void setPartId(int id):
> public abstract int getPartId();
>
> public abstract void setComponentPart (CPUComponentPart cp);
>
>
> public void pageBeginRender (PageEvent event) {
>
> if(!event.getRequestCycle().isRewinding()) {
>
>
> setComponentPart(someFunctionToGetComponentFromPartID(getPartId());
> ....
> }
>
> and then in
>
> PartDetails.html
>
> <span jwcid="@ComponentPart" CPUComponentPart="ognl:componentPart" />
>
>
>
>
> I've probably still totally missunderstood what you are trying to do - but
> thats how I would do what you seem to be trying to do. NOTE: I tend to
> avoid specification files and specify everything in-line. You can
> obviously
> move it out to specification files if you want.
>
>
> --
> Alan Chandler
> http://www.chandlerfamily.org.uk
> Open Source. It's the difference between trust and antitrust.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>
