The issue is broader than just Tiles; it's anytime you need to have an exportable table that is not in the first page fragment to be processed. I've attached a test case to this email; if you go directly to test2.jsp export will work fine, but going to test.jsp and hitting export will output the file inline as text.
It seems much more intrusive to say that:
1) Your table must always appear on it's own page
2) You must create actions for each of the export options
3) Your code must be tied to the internal parameter names from
the
taglib
Than to say;
just add this filter in web.xml if you want exports to work.
I'm never in favor of more configuration, but if someone has already
gone through
all of the trouble of configuring Tiles, I don't think it is too
outrageous for them
to add a filter mapping to their web.xml.
>
> This will not work in the latest beta:
> The "exportType" parameter name changes for any table to
> allow placement of more tables on the same page. You should
> check for any parameter like d-????-e, (for example d-1234-e)
>
> See it on
> http://www.displaytag.org/displaytag-1.0-b1-examples/example-e
> xport.jsp
>
> fabrizio
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Matt Raible
> Sent: Friday, October 03, 2003 4:56 AM
> To: [EMAIL PROTECTED];
> [EMAIL PROTECTED]
> Subject: [displaytag-user] Easy workaround to Tiles/Export Issue
>
> I figured out an easy "workaround" to the fact that exporting
> doesn't work when using Tiles. The happens because the
> response has already been committed by Tiles (when including
> previous JSPs) and the displaytag is unable to set the contentType.
>
> Here's how I'm doing it:
>
> In struts-config.xml, create a local forward that goes directly to the
> JSP:
>
> <forward name="exportList" path="/WEB-INF/pages/userList.jsp"/>
>
> Then in your Action, add a little logic to see if you should
> forward to the definition or to the list:
>
> // if exportType is a parameter, forward directly to JSP
> if (request.getParameter("exportType") != null) {
> if (log.isDebugEnabled()) {
> log.debug("export detected, forwarding directly
> to list jsp");
> }
>
> return mapping.findForward("exportList");
> } else {
> // return a forward to the user list definition
> return mapping.findForward("list");
> }
>
> Tested with displaytag 0.8.5 on Windows XP and Tomcat 4.1.27.
>
> HTH,
>
> Matt
>
>
>
>
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test.jsp
Description: test.jsp
test2.jsp
Description: test2.jsp
