Hi again J

 

More summary page citation rendering goodness…     Is there a way to display a message if something doesn’t occur, using the epc script constructs…

 

e.g. in this code snippet…

 

<epc:foreach expr="locationelectronic" iterator="le">

       <epc:if test="$le{type} = 'url'">

              <li><a target="_top" href="//{$le{textual}}"><epc:print expr="$le{textual}" /></a></li><br/>

       </epc:if>

</epc:foreach>

 

If we have urls stored, then render them out… but if after looping through all the records, none of them were urls, then I want to display a message with some generic contact details…

 

Cheers

 

Matt

 

 

 

 

Thanks for the feedback…

 

I tried to re-wrangle the EPrints::Script::Compiled with a new method, but it complained about undefined values, and it just didn’t want to play nicely…

 

The data I was using was originally a field inside a compound,  I have updated the field definitions so its now a multiplele itemref field, not inside a compound type.

And now it is working…  

 

I will work on Lizz’s ideas as well, to get something that’s going to suit this project, and let you know how it all works out when its done.

 

Thanks

 

Matt

 

 

Hi Matt,

How do you get your list of related EPrintIDs?

Are they stored in a field, or calculated dynamically?

 

Lizz’s suggestion is good.

If you *really* want to constrain yourself to use logic in the citation files, you will need to inject some extra methods into the EPrints::Script::Compiled module *unless* your EPrintIDs are stored in an ‘Itemref’ field.

If they’re in an Itemref field, you can use the ‘as_item’ method.

 

If they’re not, you can add something like (pseudo code!)

package EPrints::Script::Compiled

sub run_datasetid_and_id_to_dataobj

{

   my( $self, $state, $datasetid, $id) = @_;

 

  # turn $datasetid and $id into a dataobj

 

  # return [ $dataobj ];

}

 

And then use <epc:print expr=”datasetid_and_id_to_dataobj( ‘eprint’, $eprintid ).citation(‘default’)” />

 

An example of this technique at the end of this file: http://bazaar.eprints.org/207/1/epm/containers/cfg/cfg.d/z_containers.pl

 

Cheers,

John

 

 

 

You can write a render method in eprint_render.pl (or wherever you have that configuration as it can be overridden).

 

I’ve used this as I have created a parent-child functionality, but you could obviously adapt this to what you were wanting to include.

 

https://gist.github.com/icklecows/da6b254563bed40f8bb2047756e91043

 

(and sorry for all the embedded styles in there, it’s a temporary measure…)

 

You write the code to a fragment, and can then include the fragment in the summary_page.xml file.

 

Lizz

 

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