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Conditional content elements
Sometimes you would like to have two content-elemens on the same page, but only one of them showing at the time. When you want to show one of them when a user is logged in, it's no problem, but at other times it's not possible. I would like to discuss a way to solve that problem.
Yesterday I posted a solution to how you can get content-elements to appear inside the text in a RTE. This was something I need on my hypnosis and hypnotherapy faq page. This time, I have found another thing I would like to do with content elements, it regards the same page. Look at the link to "can hypnosis be dangerous?": http://all-hypnosis-links.com/hypnosis-faq/answer/to-question/can-hypnosis-be-dangerous.html
The path includes /answer/to-question/ and then the title of the question. But it's a rather long path and that is not good with the search engines. But I have to use this setup because of realurl and the efaq extension. The optimal solution for me would be that the "answers" part of the extension could be hidden when the user is on /hypnosis-faq.html, and the "questions" part would be hidden when a question is clicked. Put differently, I wan to have the efaq plugin on the same page in the pagetree two times, but only one of them shown when a GET var is present - namely the efaq[uid].
It would be very very nice if there was a field in tt_content where you could insert a GET var, and when this was present, the content element should not be displayed. I could do this very simply by editing the code of efaq, but this method could be useful in many other situations. So my question to you is, how do I accomplish this? When I think about it, it could be possible with a "dummy extension" that extends tt_content, and some typoscript, but that's maybe more advanced than I'm capable of doing. Any suggestions?
comments
S. Teuber
February 21, 2008
11:09
February 21, 2008
12:51
The easiest way to solve it would be to insert if (intval($_GET['efaq']['uid']) > 0) {
}
in the template of the efaq. This is possible because it's lib/div, but conditional content elements could be used for many purposes, so what I'm looking for is if there exists a hook or something, that decides which content-elements should be shown on a page.
February 21, 2008
15:37
- Make an extension template on the page
- insert a condition that checks for the pageid and the efaq uid
- inside that condition set the where clause of the CONTENT object so that you exclude the uid of the content element you don't want
This could be something like that:
[globalVar = TSFE:id = 123]
# exclude the content element for the answers (uid 45)
page.10.subparts.CONTENT.select.andWhere = uid!=45
[globalVar = TSFE:id = 123] && [globalVar = GP:efaq|uid > 0]
# exclude the content element for the questions (uid 67)
page.10.subparts.CONTENT.select.andWhere = uid!=67
[global]
I haven't tested that, but I think it should work - maybe it has to be adjusted a little bit. But I think you get the general idea, although this may not be the most beautiful solution...
February 23, 2008
00:09
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