3 Dec
2007
3 Dec
'07
4:28 p.m.
Yes this is indeed a code snippet. As for using Jeremi's code, since he is
one of XWiki's committer I'm sure he would agree. As I said it already I
will be meeting him on wednesday and I'll get a confirmation from him. Do
not hesitate to start if you wish to, I'll get back to you so that you know
about his feedback.
Guillaume
On 03/12/2007, BOUSQUET Jeremie <Jeremie.BOUSQUET(a)gemalto.com> wrote:
In first instance I copied the sample (the timeline) in a WIKI page, but
of course as in the sample are defined <html>, <head> and <body> tags,
it
could not work. In a wiki page we already are inside the <body> tag, and the
browser does not like redefining such tags very much.
I have not a clear idea about how to have this kind of <head> and <body>
nested tags affect the rendering of the page.
Take a look at this...
http://xepecnet.environmentalchange.net/xwiki/bin/view/ICT/GoogleMaps
Here the code...
http://xepecnet.environmentalchange.net/xwiki/bin/view/ICT/GoogleMaps?viewe…
<head> and <body> are also defined in the Google Maps snippet, but the
page is correctly rendered. No errors at all.
Ok, this means I was wrong ;) Maybe the difference is in the header (with
the <!DOCTYPE ), and also I believe that the //<![CDATA[ might play a
role … But I'm really not a good web developer …
I then tried the trick from the TIMELINE-24 issue also, but it failed to
work. I don't know if I left this "patch" on the page, because my wiki is
currently broken … :/ It removed the URL prefiks issue, but nothing was
displayed.
I didn't succeed by specifying a value for Timeline_urlPrefix. And I don't
know how to apply the patch proposed by Sami Radi last October. Of course I
can put timeline-api.js in one of our servers and modify it, but I don't
know how to call all the dependencies.
To make it work I modified timeline-api.js as described in the issue (just
replaced the block indicated), attached the timeline-api.js in a wiki
page, and replaced its URL in the WikiDev.TimeLine. But I'm not sure it's
needed in fact … Or maybe it's needed if you don't use <iframe>
So the trick was to have a page WikiDev.TimeLine, with the sample,
another page WikiDev.TimeLineFeed with the sample script to generate the
XML (it works well, I only added new things inside it). Basically the
timeline feed page generates XML with a root <data> tag, and a number of
<event> tags inside, with a date ("start") and a "description".
So it's very
easy to generate using any events as entries. In the WikiDev.TimeLine page
you have to put URL of WikiDev.TimeLineFeed as first parameter of the
tl.loadxml() method.
This is another point I fail at. I am not a programmer, so I have to learn
how to produce this XML output from XWiki items.
Let's write down here a couple of simple examples showing the structure
you describe...
http://simile.mit.edu/timeline/docs/example1.xml
http://simile.mit.edu/timeline/docs/example2.xml
And the HOW-TO from Simile...
http://simile.mit.edu/timeline/docs/create-timelines.html
The sample from Jeremi is quite simple and works very well to display all
News elements in the timeline :
{pre}
<data wiki-url="$xwiki.getURL('Main.WebHome', 'view')"
wiki-section="">
#set($feed = $xwiki.feed.getFeed("$xwiki.getURL('Main.BlogRss',
'view',
'xpage=rdf')"))
#foreach($entry in $feed.entries)
<event start="$entry.getPublishedDate().toLocaleString()"
title="$entry.title"
color="blue">$xwiki.getXMLEncoded($entry.description.value) ...
$xwiki.getXMLEncoded("<a href=$entry.link
target='_blank'>Suite</a>")
</event>
#end
Note : ADD CODE HERE TO ADD OTHER EVENTS IN THE XML
</data>
{/pre}
The #foreach parses all entries in the feed (constructed with your wiki
blog), and writes down an <event> entry with date and description. It's not
too complicated, but it's development … In the ADD CODE HERE … , I put the
groovy code to generate the XML from the page updates and the FAQ entries
and such, but it's more complicated, not very readable, and most of all
there are many hard-coded specific things inside it. Once I'll get something
clearer I'll share it with you or add it in xwiki wiki ;-)
Then, in the page where I want to show the timeline, I added a <iframe>,
with "src" equals URL of WikiDev.TimeLine. Also had to give it a height
and width for proper display. Inside the <iframe> it's like in another page,
so there is no problem of <head> or <body> tags anymore. The
WikiDev.TimeLine page does not show up (you get the URL prefiks error),
but the <iframe> in the other page should display correctly.
The <iframe> way works perfectly. I am only still curious to understand
why Google Maps work without it.
I am too (see above). I believe it would be nicer to be able to do as for
Google Maps, but we would have to understand better why it works …
Hope this helps …
Yes, it does! Thanks for your message, Jeremi. I keep working to produce a
clear page about how to use Simile TimeLine in XWiki, although I think you
are the one for this task! :-)
If you prefer I can get the point ;-) But is this a code snippet, an
application, macros … ? I believe it belongs to snippets … And can I make
use of Jeremi's modified sample, because HE is the creator of this xwiki
timeline after all ….
Regards,
Cheers,
--
Ricardo Rodríguez
Your XEN ICT Team
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