Re: EL expressions, Substituters, and Shindig

[Ryan Baxter]

Cool Doug!

On Tue, Mar 31, 2015 at 10:34 AM, Davies,Douglas <davi...@oclc.org> wrote:

> Ok, it sounds like the right way to do this is with data-pipelining and
> templates.  I just had to create a new request handler.  For example
>
> <Require feature="opensocial-1.0"/>
> <Require feature="opensocial-data"/>
> <Require feature="opensocial-templates"/>
>
> <Content type="html" view="default">
>
>     <![CDATA[
>
>     <script xmlns:os="http://ns.opensocial.org/2008/markup";
> type="text/os-data">
>         <os:DataRequest key="institutionId" method="context.institutionId"
> />
>     </script>
>
>     <script type="text/os-template">
>         institutionId (javascript): <span id="content"></span><br>
>         institutionId (template): ${institutionId}<br>
>     </script>
>
>     <script type="text/javascript">
>         gadgets.util.registerOnLoadHandler(function () {
>             institutionId =
> opensocial.data.getDataContext().getDataSet("institutionId");
>             document.getElementById("content").innerHTML = institutionId;
>         });
>     </script>
>
> Thanks,
> Doug
>
> On Mar 27, 2015, at 4:41 PM, Davies,Douglas <davi...@oclc.org<mailto:
> davi...@oclc.org>> wrote:
>
> Thanks.  It seems like Substituters worked on the entire gadget spec
> (replacing any __MODULE_xxx__, __UP_xxx__, etc.).  The templates stuff
> seems to only work in “text/os-data” nodes and no way to plug in your own
> template resolver.  My desire is to have something that more closely
> matched the opensocial 1.0 stuff, but using EL syntax.  But then I’m going
> way outside the opensocial spec if I do that.
>
> Essentially what I’m really trying to do is provide a value that is
> necessary in making future service requests.  In our case it’s called a
> contextInstitutionId.  I initially tied this into the Person service, and
> the gadget writer could call that to get the value and append it to the
> service call request.  But it really seems like an environment type thing.
> The context of where I am running.  So just looking for a way to provide
> this to the gadget developer.
>
> doug
>
> On Mar 27, 2015, at 4:09 PM, Ryan Baxter <rbaxte...@apache.org<mailto:
> rbaxte...@apache.org>> wrote:
>
> Sorry Doug, I never really looked at this portion of Shindig.  Maybe
> someone else knows?
>
> On Wed, Mar 25, 2015 at 4:18 PM, Davies,Douglas <davi...@oclc.org<mailto:
> davi...@oclc.org>> wrote:
>
> Hi All,
>
> I want to make a value available to my gadget via substitution of a
> regular expression.  I know the old format was something like this
> __MODULE_ID__.  I was able to get my own value working by writing my own
> Substituter and injecting it.  So for example __MODULE_MY_KEY__ (I couldn’t
> figure out how to get my own Type, so I first overloaded MODULE).  What I
> really want is the EL opensocial 2.0 way of doing it ${Module.MyKey} or
> preferably my own namespace ${Context.institutionId}.  It doesn’t look like
> this is supported.  I can get it to work with UserPrefs just fine, but that
> might be all that is supported.  Can anyone shed some light on this?
>
> Thanks,
> Doug Davies
>
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