Re: html:link with dynamic javascript confirmation

[Lorrin Nelson]

Thanks David! That solved my problem and sounds like something I never 
would have figured out on my own..

-Lorrin

At 12:49 PM 5/24/2003, you wrote:
>>>>> "Lorrin" == Lorrin Nelson <[EMAIL PROTECTED]> writes:

    Lorrin> I have a table displaying a list of items, and on each row 
there is a "delete"
    Lorrin> link that pops up a confirmation dialog and then deletes the 
item. This works:

    Lorrin> <c:forEach var="template" items="${templates}">
    Lorrin>     <tr>
    Lorrin>             <td><c:out value="${template.name}" 
escapeXml="true"/></td>
    Lorrin>             <td>
    Lorrin>                     <html:link action="/user/template/delete"
    Lorrin>                             paramId="id" paramName="template" 
paramProperty="id"
    Lorrin>                             onclick="return confirm('Really?')">
    Lorrin>                             <fmt:message 
key="template.list.action.delete"/>
    Lorrin>                     </html:link>
    Lorrin>             </td>
    Lorrin>             </tr>
    Lorrin> </c:forEach>

    Lorrin> My problem is the hardcoded 'Really?' -- instead, I want to 
use a message
    Lorrin> resource and plug in the name of the item in the row, like so:

    Lorrin> <fmt:message key="temple.delete.confirm"><fmt:param
    Lorrin> value="${template.name}"/></fmt:message>
    Lorrin> That works fine if it's not inside the <html:link> tag, but 
inside the
    Lorrin> <html:link> it doesn't get parsed at all. In fact, if I do 
'Really <%=4+4%>?' I
    Lorrin> don't even get 'Really 8', I get the unparsed text in the 
confirmation dialog..

    Lorrin> Any suggestions? I'm not married to this approach; if I've 
gotta use old-skool
    Lorrin> Struts tags instead of JSTL or do it as a form instead of a 
html:link that's
    Lorrin> alright.

Well, the simple fix is to understand that expression scriptlets have to 
be the
entire attribute value, not just a portion.  Instead of:

  'Really <%=4+4%>?'

you would need

  '<%= "Really" + (4 + 4) + %>?'

Alternatively, if you are using the nightly build of Struts, you could use the
"Struts-EL" contrib library, which gives you the ability to reference EL
expressions in the attributes of the Struts tags.
--
===================================================================
David M. Karr          ; Java/J2EE/XML/Unix/C++
[EMAIL PROTECTED]   ; SCJP; SCWCD


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