That information is on pp. 108-114 of Hans Bergsten's book JavaServer Faces (O'Reilly), or pp. 92-93 of Sun's book Core JavaServer Faces (Prentice Hall).
- Brendan -----Original Message----- From: Eric Knapp [mailto:[EMAIL PROTECTED] Sent: Friday, June 10, 2005 9:02 AM To: MyFaces Discussion Subject: Re: Selective Component Display Craig, Thank you very much for the quick and great response. I had not noticed that attribute in all my reading. I see it now, but it is not really emphasized anywhere that I can find. Is there a good repository of this level of information or should I just keep posting questions? On 6/9/05, Craig McClanahan <[EMAIL PROTECTED]> wrote: > On 6/9/05, Eric Knapp <[EMAIL PROTECTED]> wrote: > > Hi all, > > > > I am learning JSF and MyFaces this summer. I am looking for a > > best-practice or even just good ideas about something. I have a > > question about selectively displaying components. Here is an example > > of what I mean. I would like to have one page that shows a different > > dataTable depending on the authentication role of a user. A normal > > user would see a general HTML table while an admin user would see more > > columns and maybe an edit button. > > > > Without JSF I would do this with lots of JSTL. What's the best JSF > > way? I have been looking at Tiles too but that doesn't seem to point > > to the future of JSF. > > > > A very common approach for selective display of JSF components is to > use a value binding on the "rendered" property (which all components > should be implementing), binding it to a method returning a boolean > that can determine whether this component, and all its children, > should be rendered or not. > > Assume you have a session-scoped "user" bean representing the current > user, with an isManager() method that returns boolean. You can > restrict display of salary information in an HR application with > something like this: > > <h:outputText value="#{employee.salary}" ... rendered="#{user.manager}" .../> > > Craig >
