I am trying to create a component that will have a link in it. When the link
is clicked, I want it to send me to a page that is defined by the page that
is using the component.
However, debugging the operation, the page parameter that I have set is null,
and I don't quite understand why. Can someone see my error.
The first page (Home.html) has the following in it
<span jwcid="@PersonList"
forename=""
surname=""
gender=""
linkPage="ognl:editPage" ></span>
Where edit page is defined in Home.java thus
@InjectPage("Edit")
public abstract Edit getEditPage();
the PersonList component defines linkPage in its PersonList.java file as
public abstract void setLinkPage(ISetPerson callback);
public abstract ISetPerson getLinkPage();
where ISetPerson is an interface that I have defined that extends IPage - thus
public interface ISetPerson extends IPage{
void setPersonId(int id);
}
Component PersonList generates a link via a DirectLink component which calls a
listener in the PersonList component called doLink so (Its actually a row in
the contrib:Table component)
<a jwcid="@DirectLink"
listener="listener:doLink"
parameters="ognl:components.table.tableRow.id"
class="name"
><span jwcid="@Insert"
value="ognl:components.table.tableRow.fullName"
>Chandler, Alan</span></a>
and the doLink java is as follows
public IPage doLink (int personId) {
ISetPerson link = getLinkPage();
link.setPersonId(personId);
return link;
}
When I put the debugger in the line "ISetPerson link = getLinkPage();" the
getLinkPage() method is returning a null value.
Why? Why isn't it set when the PersonList component is instanciated inside
Home.html.
--
Alan Chandler
http://www.chandlerfamily.org.uk
Open Source. It's the difference between trust and antitrust.
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