Steven McClintoc wrote:
Hi there!
I have a page which consists out of three files:
- header.jsp
- sidebar.jsp
- main.jsp
header.jsp contains a navigational bar in which I want to highlight the
page currently be shown, e.g.
-------------------------------------------------
Home | Item1 | Item2 | *Item3*| Item4
-------------------------------------------------
if Item3 is the active page.
Now, my first approach was to include header.jsp and sidebar.jsp with
<jsp:include page="../includes/Header.jsp" >
<jsp:param name="highlight" value="home" />
</jsp:include>
<%@ include file="../includes/Sidebar.jsp" %>
Within Header.jsp I checked against the request parameter highlight:
<% String hl = request.getParameter("highlight"); %>
<a <% if (hl.equals("guestbook")) { %> class="highlight" <%
} %> href="/Phoenix/jsp/guestbook.jsp">Guestbook</a> |
The problem is that this approach understandably doesn't work well with
URL-rewriting.
I'm not sure what the problem is with URL rewriting; what effect does
that have on this approach?
Unfortunately changing the code to use <html:link> instead of <a href>
as in
<html:link forward="guestbook"> <% if
(hl.equals("guestbook")) { %> class="highlight" <% } %>
Guestbook </html:link> |
doesn't work. I suppose that nested tags arren't allowed here.
The problem with that is you're putting the class attribute inside the
html:link element's body -- i.e. that isn't including an attribute in
the generated HTML tag.
Does someone know a solution to this problem?
You might want to look into using Tiles for this sort of page
composition task. It can make things a lot cleaner. But to stick with
what you have, based on a request parameter to determine which link
should be highlighted, here are a couple of options:
<% String h1 = request.getParameter("highlight"); %>
<html:link forward="guestbook" class='
<%= h1.equals("guestbook") ? "highlight" : "" %>'>
Guestbook
</html:link>
or, using JSTL to avoid the ugly scriptlets:
<html:link forward="guestbook" class="${
param['highlight'] == 'guestbook' ? 'highlight' : ''}">
Guestbook
</html:link>
L.
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