Hi Helix84,
After looking at the various bits of code it would seem that Choice
Authority is currently tied to the metadata fields and does a lot of the
processing based on the config supplied ie. choices.plugin.* and uses this info
in the submission process e.g. DescribeStep.java to hook in the linkage so that
values for form fields can be supplied (in the renderChoiceSelectField method
there is the code:
Choices cs = ChoiceAuthorityManager.getManager().getMatches(fieldKey, "",
coll.getID(), 0, 0, null);
if (dcValues.length == 0)
{
select.addOption(true, "", "");
}
for (Choice c : cs.values)
{
select.addOption(c.value, c.label);
}
)
It would seem that it would not be a huge amount of work to generalise this to
any form field if the metadata specific parts were removed.
Are there any people out there who have a really good understanding of this
particular feature that would be prepared to help work on this (I will be able
to devote resources to this in the near future)?
Regards,
Ben
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Dr Ben Ryan
Jorum Technical Coordinator (Services)
5.12 Roscoe Building
The University of Manchester
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Manchester
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Tel: 0160 275 6039
E-mail: [email protected]
------------------------------------------------------------------
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of helix84
Sent: 06 September 2012 14:42
To: Benjamin Ryan
Cc: [email protected]
Subject: Re: [Dspace-tech] Choice Authority
On Thu, Sep 6, 2012 at 3:36 PM, Benjamin Ryan <[email protected]>
wrote:
> I have used the ChoiceAuthority for metadata fields and
> after working with the EditProfile code it would seem that it might be
> possible to use this for any “field” in a form not just the metadata fields.
>
> Does this sound possible?
Yes, it definitely is doable.
> What I would like to do is to extend the Profile form
> to capture the users institution and have the choice list supplied by
> lookup (I have done this with metadata fields by writing a class to
> query Solr to provide the values).
That's one way if you're a Java programmer and this is how it's currently
implemented in DSpace. Can be also done more simply - Solr can return you
response in XML and you can just parse it in XSL to get the list, then use the
same Javascript to render the suggestions (IIRC we use jQuery with Autocomplete
plugin).
Regards,
~~helix84
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