Re: [Semediawiki-user] Value of a property of the current page

[Yaron K. <ya...@gm...>]

Unfortunately, there's no book about Semantic MediaWiki, but it would be
nice if there were, or at least some sort of online, printable, sequential
manual... I feel like we're just now reaching the point where the whole
system is stable enough that you could publish such a thing without it
becoming out-of-date in two months.

-Yaron


On Thu, Jul 23, 2009 at 2:51 PM, Scott Reed <sr...@av...> wrote:

>  Thanks, Patrick. While I was hoping for a simpler syntax for getting a
> property value without a fullblown query, but #vardefine and #var is a
> useful addition to my toolkit. I see I need to review the extensions.
>
> *Can anyone recommend a book on these technologies, especially one
> including Semantic MediaWiki?*
>
> Patrick Nagel [7/22/2009 11:50 PM] wrote:
>
> Hi Scott,
>
> On 2009-07-23 11:06, Scott Reed wrote:
> > Jut starting out with this technology, the only way I have figured out
> > to get the value of a property in the current page is
> > {{#show:{{PAGENAME}}| ?propertyname}}. This seems fairly baroque. Is
> > there simpler way?
>
> I don't think there is a simpler way. You will have to get used to all the
> curly brackets when using SMW - or MediaWiki in general ;)
>
> You can make use of the VariablesExtension [1] and store the query (or its
> result? I'd like to know which one, but in the end it doesn't really matter) in
> a variable, which is helpful when you need the same query multiple times within
> a page. It looks like this:
>
> {{ #vardefine: some_variable_name | {{#show:{{PAGENAME}}| ?propertyname}} }}
> (silent) or
> {{ #vardefineecho: some_variable_name | {{#show:{{PAGENAME}}| ?propertyname}}
> }} (with output)
>
> Further down in the page you can write
>
> {{ #var: some_variable_name }}
>
> I found this to be very helpful in complex "output templates", helps to avoid a
> lot of "code" duplication.
>
> Patrick.
>
> [1]: http://www.mediawiki.org/wiki/Extension:VariablesExtension
>
>
>
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