<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Sorry for the delays, I've been on leave for a couple of days.<div class=""><br class=""></div><div class="">I would write a simple test script. Something like this:</div><div class=""><br class=""></div><div class="">=====================================================</div><div class="">#!/usr/bin/perl -I/opt/eprints3/perl_lib</div><div class=""><br class=""></div><div class=""><div class="">use EPrints;</div><div class="">my $ep = EPrints->new();</div><div class="">my $repo = $ep->repository( "myrepo" ); #or whatever</div></div><div class=""><br class=""></div><div class="">my $ds = $repository->dataset('eprint');</div><div class="">my $field = $ds->field('title'); #or whichever field we're talking about</div><div class=""><br class=""></div><div class="">if (defined $field->get_property('get_value))</div><div class="">{</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>print "DEFINED!!!\n";</div><div class="">}</div><div class="">else</div><div class="">{</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>print "NOT DEFINED\n";</div><div class="">}</div><div class="">=====================================================</div><div class=""><br class=""></div><div class="">...then use this to test different ways of doing things so that we can be sure the conditional actually does work. Note I've not compiled this, so it will need some debugging.</div><div class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">--</div><div class="">Adam Field</div><div class="">Business Relationship Manager and Community Lead<br class="">EPrints Services</div></div>
</div>
<br class=""><div><blockquote type="cite" class=""><div class="">On 18 Sep 2015, at 10:51, George Mamalakis <<a href="mailto:mamalos@eng.auth.gr" class="">mamalos@eng.auth.gr</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" class="">
<div text="#000000" bgcolor="#FFFFFF" class="">
<div class="moz-cite-prefix">OK, I had understood that far :):) I
meant if you could tell me how to test it. Should I remove the
get_value function from Virtualwithvalue or from
eprints_fields.py? And then, test that epadmin reload works OK and
that the site shows records in manage deposits?<br class="">
<br class="">
On 18/09/2015 12:10 μμ, Adam Field wrote:<br class="">
</div>
<blockquote cite="mid:EMEW3|8f9d3a45df8c4635fc691a64f1b74013r8HABY14eprints-tech-bounces|ecs.soton.ac.uk|A3465BAE-47E9-47B6-B912-754E46C290E8@ecs.soton.ac.uk" type="cite" class="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" class="">
Well, the specific thing I'd like you to check is that the test:
<div class=""><br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre">
</span>if ( defined $self->get_property("get_value") ) <br class="">
<div class=""><br class="">
</div>
<div class="">...still works as expected now that we've changed:</div>
<div class=""><br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span> $defaults{get_value} =
undef;</div>
<div class=""><br class="">
</div>
<div class="">...to:</div>
<div class=""><br class="">
</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span> $defaults{get_value} =
$EPrints::MetaField::UNDEF;</div>
<div class=""><br class="">
</div>
<div class="">I think this might be a defined value (it's an
EPrints constant), so we may have to test some other way.</div>
<div class=""><br class="">
<div class="">
<div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">
<div class="">--</div>
<div class="">Adam Field</div>
<div class="">Business Relationship Manager and Community
Lead<br class="">
EPrints Services</div>
</div>
</div>
<br class="">
<div class="">
<blockquote type="cite" class="">
<div class="">On 18 Sep 2015, at 09:51, George Mamalakis
<<a moz-do-not-send="true" href="mailto:mamalos@eng.auth.gr" class="">mamalos@eng.auth.gr</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<div class="">Hi Adam,<br class="">
<br class="">
The syntax you proposed works great; warnings have
stopped. I'm quite <br class="">
unsure, though, as to what you've asked me to test.
Could you please be <br class="">
a bit more specific?<br class="">
<br class="">
Thanks again, it seems we've finally made it (OK,
basically, you've made <br class="">
it:))!!<br class="">
<br class="">
On 17/09/2015 02:37 μμ, Field A.N. wrote:<br class="">
<blockquote type="cite" class="">Hmmmm.... In
get_property_defaults, change to this kind of thing
and see what happens (particularly test for when no
get_value function is defined in the field
definition):<br class="">
<br class="">
<br class="">
$defaults{get_value} =
$EPrints::MetaField::UNDEF;<br class="">
<br class="">
<br class="">
(see <a moz-do-not-send="true" href="https://github.com/eprints/eprints/blob/3.3/perl_lib/EPrints/MetaField/Namedset.pm#L86" class="">https://github.com/eprints/eprints/blob/3.3/perl_lib/EPrints/MetaField/Namedset.pm#L86</a>
)<br class="">
<br class="">
--<br class="">
Adam Field<br class="">
Business Relationship Manager and Community Lead<br class="">
EPrints Services<br class="">
+44 (0)23 8059 8814<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
On 17 Sep 2015, at 09:25, George Mamalakis wrote:<br class="">
<br class="">
<blockquote type="cite" class="">Adam thanks,<br class="">
<br class="">
The code seems to work just fine (tested). My only
problem is that I'm getting a warning about
$p_default when reloading the repo, which I am not
sure where it's referring to, so if you have any
hints it would be great. The warnings are:<br class="">
<br class="">
$ ./bin/epadmin reload myrepo<br class="">
Use of uninitialized value $p_default in string eq
at
/usr/share/eprints3/bin/../perl_lib/EPrints/MetaField.pm
line 211.<br class="">
Use of uninitialized value $p_default in string eq
at
/usr/share/eprints3/bin/../perl_lib/EPrints/MetaField.pm
line 213.<br class="">
Use of uninitialized value $p_default in string ne
at
/usr/share/eprints3/bin/../perl_lib/EPrints/MetaField.pm
line 217.<br class="">
defined(@array) is deprecated at
/usr/share/eprints3/lib/plugins/EPrints/Plugin/Screen/BulkAction/Remove.pm
line 46.<br class="">
(Maybe you should just omit the defined()?)<br class="">
<br class="">
<br class="">
Thanks again for all the help!! As far as
multilingual fields is concerned I think we're
really getting there! Any other problems (like the
import problem that arose) that someone foresees are
welcome, so as to address them before making the
bazaar package (and updating the wiki).<br class="">
<br class="">
<br class="">
On 15/09/2015 09:31 μμ, Adam Field wrote:<br class="">
<blockquote type="cite" class="">Hi George<br class="">
<br class="">
<br class="">
<br class="">
Yes, you're right, you already pretty much solved
the problem. I'm rushing through my email and not
paying enough attention.<br class="">
<br class="">
<br class="">
<br class="">
The other thing you missed was that if there are
three languages set in the multilang field, and
someone calls set_value on title, it will
overwrite everything. You did, however, do better
testing on language than I did, so you should
probably incorporate that.<br class="">
<br class="">
<br class="">
<br class="">
Once you have this finished, perhaps we could put
the new metafield in a bazaar package so that
others can deploy it easily.<br class="">
<br class="">
--<br class="">
Adam Field<br class="">
Business Relationship Manager and Community Lead<br class="">
EPrints Services<br class="">
<br class="">
<blockquote type="cite" class="">On 15 Sep 2015,
at 18:51, George Mamalakis <<a moz-do-not-send="true" href="mailto:mamalos@eng.auth.gr" class="">mamalos@eng.auth.gr</a>>
wrote:<br class="">
<br class="">
Adam hi!<br class="">
<br class="">
Don't apologise, I know you had been busy since
I had read the emails regarding the hack-day and
saw your absent in the list. I'll test your code
tomorrow at work and see if it works. The way I
see it, it is similar to the code I posted in my
last email, but mine was missing the
get_property_defaults, which might be the
problem.<br class="">
<br class="">
As far as the wiki is concerned, don't worry, as
I promised I'll write a full guide of how to set
the title and abstract fields to be multilang,
but I'll do it once everything is tested by my
library staff (our site is not up yet).<br class="">
<br class="">
Thanks again for your help, I'll return with
feedback tomorrow evening.<br class="">
<br class="">
George.<br class="">
<br class="">
PS. Your next task is to make a video showing
how to make the Adam Field to be virtual :)<br class="">
<br class="">
On 15/9/2015 8:19 μμ, Adam Field wrote:<br class="">
<blockquote type="cite" class="">Sorry, I had a
UKCoRR event, a German Language User Group
Meeting, a Hack Day and a UK User Group
Meeting all in the last two weeks, which were
my first two weeks back from Annual Leave!<br class="">
<br class="">
I think we'll need to override set_value on
our Virtualwithvalue metafield class. Before
we added code to pull values out of another
field. We need code now to insert values into
another field. Something like this (add it to
the code below in the email of June 30th):<br class="">
<br class="">
#In the field class (Virtualwithvalue?)<br class="">
<br class="">
sub set_value<br class="">
{<br class="">
my( $self, $object, $value ) = @_;<br class="">
if ( defined
$self->get_property("set_value") )<br class="">
{<br class="">
return $self->call_property(
"set_value", $object, $value);<br class="">
}<br class="">
return undef;<br class="">
}<br class="">
<br class="">
...and in get_property_defaults:<br class="">
<br class="">
$defaults{set_value} = undef;<br class="">
<br class="">
...then in any field definitions in the
repository config (along the lines of
get_value discussed previously):<br class="">
<br class="">
set_value => sub<br class="">
{<br class="">
my ($eprint, $value) = @_;<br class="">
<br class="">
#only use this on imports, NOT if the value
is already set<br class="">
if ($eprint->is_set('ml_title'))<br class="">
{<br class="">
return;<br class="">
}<br class="">
<br class="">
$eprint->set_value('title_ml', [text =>
'$value', lang => $c->{defaultlanguage}
]);<br class="">
}<br class="">
<br class="">
<br class="">
I leave is as an exercise for the reader to
debug the above code, which hasn't even been
parsed, let alone tested.<br class="">
<br class="">
Please feedback with tested code, and some
documentation on the wiki :)<br class="">
<br class="">
--<br class="">
Adam Field<br class="">
Business Relationship Manager and Community
Lead<br class="">
EPrints Services<br class="">
<br class="">
<blockquote type="cite" class="">On 9 Sep
2015, at 12:49, George Mamalakis <<a moz-do-not-send="true" href="mailto:mamalos@eng.auth.gr" class="">mamalos@eng.auth.gr</a>>
wrote:<br class="">
<br class="">
Yeah, this is whom I'm waiting for...:):)<br class="">
<br class="">
On 09/09/2015 01:15 μμ, alen vodopijevec
wrote:<br class="">
<blockquote type="cite" class="">Hmm.. maybe
using similar function that you have in
'title' filed<br class="">
definition.. I'm not sure in this moment,
but it's a good idea and will<br class="">
check out.<br class="">
<br class="">
.. Adam would surely know better :)<br class="">
<br class="">
--<br class="">
alen<br class="">
<br class="">
On 09/09/2015 11:16 AM, George Mamalakis
wrote:<br class="">
<blockquote type="cite" class="">Hi Alen,<br class="">
<br class="">
I think that through the use of virtual
fields, there could be a way to<br class="">
finally assign values in the appropriate
fields (via some function), but<br class="">
I'm not sure which function I have to
override. And I am talking about<br class="">
virtual fields, because in our
multilingual solution we have created<br class="">
additional multilingual fields for title
and abstract, and have replaced<br class="">
original the fields with virtual
counterparts that calculate their<br class="">
values through code. Hence my assumption
on storing their values as well.<br class="">
<br class="">
Thanks for your help!<br class="">
<br class="">
On 09/09/2015 11:52 πμ, alen vodopijevec
wrote:<br class="">
<blockquote type="cite" class="">Hi!<br class="">
<br class="">
You will have to override default
import plugins, ie. copy original ones<br class="">
and make them write to new multilang
field(s).<br class="">
<br class="">
I've made a mistake a long time ago
with changing original title,<br class="">
abstract, keyword fileds into
multilang so we are still coping with
it :))<br class="">
<br class="">
Kind regards,<br class="">
Alen<br class="">
--<br class="">
<a moz-do-not-send="true" href="http://fulir.irb.hr/" class="">http://fulir.irb.hr</a><br class="">
<br class="">
On 09/09/2015 10:34 AM, George
Mamalakis wrote:<br class="">
<blockquote type="cite" class="">Hello
everybody, and wishes for a happy
academical-year!<br class="">
<br class="">
I am returning to the subject of
multilang fields when the title and<br class="">
subject are created in the way
described in the last mail of this<br class="">
thread, because of a problem that
arises when import plugins are used.<br class="">
<br class="">
As I was informed by our library
staff, when they wanted to import
(eg.<br class="">
BibTeX) a document, the title and
abstract fields were not filled. I<br class="">
tried it myself (through the web
interface) and they were true (no<br class="">
errors in apache). I suppose that
the import plugins use the title and<br class="">
abstract field to write data, but in
our case these fields are virtual,<br class="">
so I have no idea how they handle
inserts.<br class="">
<br class="">
Any idea and help would be greatly
appreciated, since not being use<br class="">
EPrints import functionality,
practically renders the creation of
basic<br class="">
multilang fields (title and
abstract) created in that way
unusable.<br class="">
<br class="">
Thanks all in advance!<br class="">
<br class="">
On 01/07/2015 01:05 μμ, George
Mamalakis wrote:<br class="">
<blockquote type="cite" class="">OK,<br class="">
<br class="">
I'll keep it in mind.<br class="">
<br class="">
Thanks<br class="">
<br class="">
On 01/07/2015 12:15 μμ, Field A.N.
wrote:<br class="">
<blockquote type="cite" class="">You
don't have a render_value
property, but a quick scan of
the MetaField object suggests
that you might not need one if
you're just making a text node
from the value. Not 100% sure
though -- if it works, then
don't worry about it :)<br class="">
<br class="">
<br class="">
--<br class="">
Adam Field<br class="">
Business Relationship Manager
and Community Lead<br class="">
EPrints Services<br class="">
+44 (0)23 8059 8814<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
On 30 Jun 2015, at 16:39, George
Mamalakis wrote:<br class="">
<br class="">
<blockquote type="cite" class="">OK,
it's done.<br class="">
<br class="">
I'll upload the procedure on
the wiki when I finish with my
project (it'll be after the
summer) or if I find free time
in the meantime.<br class="">
<br class="">
The general steps are (in
order to replace the title
field in this example):<br class="">
<br class="">
1) Create a MetaField which
returns a value (
~eprints/lib/plugins/EPrints/MetaField/Virtualwithvalue.pm)
containing the code found in
Adam's video:<br class="">
<br class="">
package
EPrints::MetaField::Virtualwithvalue;<br class="">
<br class="">
use strict;<br class="">
use warnings;<br class="">
<br class="">
use EPrints::MetaField;<br class="">
<br class="">
our @ISA = qw(
EPrints::MetaField );<br class="">
<br class="">
use strict;<br class="">
<br class="">
sub get_property_defaults<br class="">
{<br class="">
my ( $self ) = @_;<br class="">
my %defaults =
$self->SUPER::get_property_defaults;<br class="">
$defaults{get_value}
= undef;<br class="">
return %defaults;<br class="">
}<br class="">
<br class="">
sub get_value<br class="">
{<br class="">
my( $self, $object )
= @_;<br class="">
if ( defined
$self->get_property("get_value")
)<br class="">
{<br class="">
return
$self->call_property(
"get_value", $object);<br class="">
}<br class="">
return undef;<br class="">
}<br class="">
<br class="">
2) Change
./archives/myarchive/cfg/cfg.d/eprint_fields.pl
to contain the new fields
(ml_title and the new title
field (which is based on our
newly created MetaField
derivative)), ie:<br class="">
<br class="">
{<br class="">
name =>
'ml_title',<br class="">
type =>
'multilang',<br class="">
multiple => 1,<br class="">
fields => [ {
sub_name => "text", type
=> "longtext", input_rows
=> 3,
make_single_value_orderkey
=>
'EPrints::Extras::english_title_orderkey'
} ],<br class="">
input_add_boxes =>
1,<br class="">
},<br class="">
<br class="">
{<br class="">
name => 'title',<br class="">
type =>
'virtualwithvalue',<br class="">
virtual => 1,<br class="">
<br class="">
get_value => sub<br class="">
{<br class="">
my ($eprint) =
@_;<br class="">
if
($eprint->is_set('ml_title'))<br class="">
{<br class="">
my $vals =
$eprint->get_value('ml_title');<br class="">
my $title =
'';<br class="">
# set the
default lang's text as title<br class="">
foreach my
$v1 (@{$vals})<br class="">
{<br class="">
if
(%$v1{'lang'} eq
$c->{defaultlanguage})<br class="">
{<br class="">
$title
= %$v1{'text'};<br class="">
}<br class="">
}<br class="">
# if not a
default lang found, get the
first object's text as title<br class="">
if ($title eq
'')<br class="">
{<br class="">
$title =
${$$vals[0]}{'text'} ;<br class="">
}<br class="">
return
$title;<br class="">
<br class="">
}<br class="">
return undef;<br class="">
}<br class="">
},<br class="">
<br class="">
3) Update your archive in
order to create the new field:<br class="">
<br class="">
$ ./bin/epadmin update
myarchive<br class="">
<br class="">
4) Add the appropriate phrases
in
~/archives/myarchive/cfg/lang/en/phrases/local.xml
(and do it for any other
language you may have):<br class="">
<br class="">
<!-- multilang title
related phrases --><br class="">
<epp:phrase
id="eprint_fieldname_ml_title">Title</epp:phrase><br class="">
<epp:phrase
id="eprint_fieldname_ml_title_text">Text</epp:phrase><br class="">
<epp:phrase
id="eprint_fieldname_ml_title_lang">Language</epp:phrase><br class="">
<epp:phrase
id="eprint_fieldhelp_ml_title">The
title of the item. The title
should not end with a full
stop, but may end with a
question mark. There is no way
to make italic text, please
enter it normally. If you have
a subtitle, it should be
preceded with a colon [:]. Use
capitals only for the first
word and for proper nouns.<br class="">
<br/>Example: <span
class="ep_form_example">A
brief history of
time</span><br class="">
<br/>Example: <span
class="ep_form_example">Life:
an unauthorised
biography</span><br class="">
<br/>Example: <span
class="ep_form_example">Mathematics
for engineers and scientists.
5th edition</span><br class="">
<br/>Example: <span
class="ep_form_example">Ecosystems
of the world. Vol. 26.
Estuaries of the
world</span><br class="">
</epp:phrase><br class="">
<br class="">
5) Add (and remove) the
appropriate entries in you
workflows
(~/archives/myarchive/cfg/workflows/eprint/default.xml)
in the "core" section:<br class="">
<br class="">
<!--
<component><field
ref="title" required="yes"
input_lookup_url="{$config{rel_cgipath}}/users/lookup/title_duplicates"
input_lookup_params="id={eprintid}&amp;dataset=eprint&amp;field=title"
/></component><br class="">
--><br class="">
<component><field
ref="ml_title"
required="yes"/></component><br class="">
<br class="">
6) Test and reload your
archive for your changes to
take effect:<br class="">
$ ./bin/epadmin test<br class="">
$ ./bin/epadmin reload
myarchive<br class="">
<br class="">
<br class="">
Thanks everyone for the help,
and especially Tim and Adam
for making it possible!! :):)<br class="">
<br class="">
<br class="">
PS. Hope I haven't forgotten
anything...:)<br class="">
<br class="">
<br class="">
On 26/06/2015 05:27 μμ, George
Mamalakis wrote:<br class="">
<blockquote type="cite" class="">Tim,<br class="">
<br class="">
Now that I got illuminated
(:-P) by the video regarding
EPrints' virtual fields, I
am trying to think how I
could take advantage of them
in order to use to solve my
multilanguage-fields
problem, and I think I'm a
bit stuck.<br class="">
<br class="">
I'll speak my thoughts out
loud and please correct me
if I'm wrong. Let the target
field be the "title".<br class="">
<br class="">
So, we need the title to be
stored in more than one
languages in the database,
which should be "easily"
accomplished using a
multi-row field. Hence,
multilang fields are a
perfect candidate for this.
We therefore create a new
field, let's say ml_title
(as you proposed) and store
our values in it. Now, in
order for EPrints not to
break, we change the title
field
to be a virtual field and
compose its output based on
ml_title field. In the end,
we'll have two fields for
the title. The title field
(of type virtualfield) that
will be calculating its
value each time it's called,
and the ml_title field (of
type multilang). Is that
correct?<br class="">
<br class="">
Now that I've written my
thoughts, I think I'm no
more stuck and I see that
your idea is brilliant and
very easy!! :):). And if the
above paragraph is not your
idea, and it's even easier
than that, then it'll be
even more brilliant!! :):)<br class="">
<br class="">
Cheers again, I'll give it a
try on Monday!<br class="">
<br class="">
Once again, nice work Adam
and thanks Tim and all of
you for your help!<br class="">
<br class="">
PS. It would be extremely
beneficial if there were a
guide as to how EPrints'
internals work. Something
that is a little be more
explanatory than the
"anatomy of a request
(<a class="moz-txt-link-freetext" href="http://wiki.eprints.org/w/Anatomy_of_a_request">http://wiki.eprints.org/w/Anatomy_of_a_request</a>)"
and explain how the coders
of EPrints really think of
EPrints in their minds.<br class="">
<br class="">
On 25/06/2015 11:42 πμ,
Timothy Miles-Board wrote:<br class="">
<blockquote type="cite" class="">The "problem" is
that when you ask
$eprint->get_value()
for the value of a
multilang field it gives
you a perl data structure
- in this case arrayref
(array of
{langcode=>text}
hashrefs) - ie. the same
behaviour as you would
expect for a compound
field or any field with a
multiple value.<br class="">
<br class="">
$eprint->get_value() is
used everywhere -
including in export
plugins. So any field
where the plugin
implicitly expects a
string - like title,
abstract etc - it will
output something like
ARRAYx01123123<br class="">
<br class="">
So your options are:<br class="">
<br class="">
* Fix up all the plugins
to be cleverer about how
they get the "best" value
of multilang field (ie.
use get_value() then look
at the user's lang /
default lang to pull out
the best string from the
multilang structure) - but
this would mean repeating
the same routine in every
plugin..<br class="">
<br class="">
* Change the way that
get_value() works so that
it somehow decides which
behaviour to use (arrayref
vs best lang string) based
on calling context etc. -
get_value is used
everywhere in EPrints so
this would probably break
everything..<br class="">
<br class="">
* Add a layer of
abstraction between the
low level get_value() and
the plugins that defines
an API for returning
language dependent strings
- then change all the
plugins to use
that (so instead of
get_value(), plugins could
call get_lang_string() or
something - something like
this would be the best
approach...<br class="">
<br class="">
In the meantime, what you
could do is instead of
changing the default
title, abstract etc
fields, just define new
multilang versions.<br class="">
<br class="">
So eg. ml_title,
ml_abstract ...<br class="">
<br class="">
Then use these in your
workflow instead of the
default title, abstract ..
etc.<br class="">
<br class="">
Finally in
eprint_fields_automatic.pl,
write some code to take
the ml_* fields and
populate the equivalent
scalar fields. So eg. get
the value of ml_title,
pull out the text in the
default language (or if
the default language
version is not defined,
some other language in
order of preference - the
EPrints::Language module
already does stuff like
this with phrases) and
write that value into the
title field.<br class="">
<br class="">
Then anything that expects
$eprint->get_value(
"title" ) to return a
string will be happy
(albeit they will always
give the default/preferred
language).<br class="">
<br class="">
Or...<br class="">
<br class="">
Change the default title,
abstract etc. fields to a
virtual field so that you
can dynamically work out
the (string) value by
looking at ml_title,
ml_abstract etc - as long
as the value returned is
always a string this
shouldn't break anything.<br class="">
<br class="">
Food for thought I hope,<br class="">
<br class="">
Tim<br class="">
<br class="">
Timothy Miles-Board<br class="">
Web & Repositories
Development Specialist,
University of London
Computer Centre<br class="">
020 7863 1342 | 07742
970 351 |
<a class="moz-txt-link-abbreviated" href="mailto:timothy.miles-board@london.ac.uk">timothy.miles-board@london.ac.uk</a>
| @drtjmb<br class="">
The University of London
is an exempt charity in
England and Wales<br class="">
<br class="">
<br class="">
From:
<a class="moz-txt-link-abbreviated" href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">eprints-tech-bounces@ecs.soton.ac.uk</a>
<a class="moz-txt-link-rfc2396E" href="mailto:eprints-tech-bounces@ecs.soton.ac.uk"><eprints-tech-bounces@ecs.soton.ac.uk></a>
on behalf of George
Mamalakis
<a class="moz-txt-link-rfc2396E" href="mailto:mamalos@eng.auth.gr"><mamalos@eng.auth.gr></a><br class="">
Sent: 25 June 2015 8:38 AM<br class="">
To:
<a class="moz-txt-link-abbreviated" href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a><br class="">
Subject: [EP-tech] Re:
[spam?] Re: How to set a
field to be multilang<br class="">
<br class="">
Thanks Alen, I'll look
into it deeper.<br class="">
<br class="">
It's sad, though, that
default Import/Export
plugins break. Could you
give a few hints on how to
customise these plugins?
(general guidelines).
Could the changes be
applied on the parent
Import and Export plugin,
or most child plugins tend
to override functions
dealing with title,
abstract, etc?<br class="">
<br class="">
And that being the case,
isn't it equivalent to
adding extra fields for an
additional language?
Either way same things are
broken, right? :)<br class="">
<br class="">
Lastly, where are these
metadata fields stored in
the database? Reading the
article in the link you
provided diagonally, it
seems that I need to
update the database in
order to
create
them, right?<br class="">
<br class="">
Thanks again!<br class="">
<br class="">
On 24/06/2015 11:18 μμ,
Alen Vodopijevec wrote:<br class="">
<blockquote type="cite" class="">Hi!<br class="">
<br class="">
You have Metadata Field
Types documented here:<br class="">
<a class="moz-txt-link-freetext" href="http://wiki.eprints.org/w/Category:EPrints_Metadata_Fields">http://wiki.eprints.org/w/Category:EPrints_Metadata_Fields</a><br class="">
<br class="">
But, be aware that
changing title, keywords
and abstract fields to<br class="">
'compound' breaks
default EPrints plugins
- export/import .. these<br class="">
plugins expect
title/keywords/abstract
to be simple and not
compound<br class="">
(hash) value.<br class="">
<br class="">
I'm using it that way
but there is some extra
effort to customize and<br class="">
maintain import/export
plugins.<br class="">
<br class="">
If anybody have a
suggestion or a better
solution please let me
know.<br class="">
<br class="">
Maybe this is a good
opportunity to discuss
that i18n issues in
EPrints.<br class="">
<br class="">
Kind regards,<br class="">
--<br class="">
Alen<br class="">
<br class="">
On 06/24/2015 10:15 AM,
George Mamalakis wrote:<br class="">
<blockquote type="cite" class="">Ah,<br class="">
<br class="">
And by the way, is
there any
documentation on this
"fields" attribute<br class="">
somewhere? Cos I think
it wasn't mentioned
anywhere.<br class="">
<br class="">
Thanks again!<br class="">
<br class="">
On 24/06/2015 10:29
πμ, Timothy
Miles-Board wrote:<br class="">
<blockquote type="cite" class="">----------
Forwarded message
----------<br class="">
From: Timothy
Miles-Board
<a class="moz-txt-link-rfc2396E" href="mailto:timothy.miles-board@ulcc.ac.uk"><timothy.miles-board@ulcc.ac.uk></a><br class="">
Date: 18 Jun 2015
11:30 pm<br class="">
Subject: Re:
[EP-tech] How to set
a field to be
multilang<br class="">
To:
<a class="moz-txt-link-abbreviated" href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a><br class="">
Cc:<br class="">
<br class="">
{<br class="">
name => 'title',<br class="">
type =>
'multilang',<br class="">
multiple => 1,<br class="">
fields => [ {
sub_name =>
"text", type =>
"longtext",<br class="">
input_rows => 3,
make_single_value_orderkey
=><br class="">
'EPrints::Extras::english_title_orderkey'
} ],<br class="">
input_add_boxes
=> 1,<br class="">
},<br class="">
<br class="">
<br class="">
Tim<br class="">
<br class="">
On 23 Jun 2015 9:09
am, George Mamalakis
<a class="moz-txt-link-rfc2396E" href="mailto:mamalos@eng.auth.gr"><mamalos@eng.auth.gr></a>
wrote:<br class="">
<br class="">
Guys (and girls),<br class="">
<br class="">
Any news on
multilingual fields?
Anybody using them?<br class="">
<br class="">
Thanks!<br class="">
<br class="">
George<br class="">
<br class="">
On 18/06/2015 06:31
μμ, George Mamalakis
wrote:<br class="">
<blockquote type="cite" class="">Hello
again,<br class="">
<br class="">
I am trying to
make my EPrints
installation
support<br class="">
</blockquote>
multilanguage fields<br class="">
<blockquote type="cite" class="">(eg.
title, abstract,
etc.). The thing I
did that worked
(which<br class="">
</blockquote>
doesn't<br class="">
<blockquote type="cite" class="">feel
right to me,
though) was adding
a new Metadata
field (eg.<br class="">
</blockquote>
title_en)<br class="">
<blockquote type="cite" class="">and add
it to the database
and workflow. On
the documentation,<br class="">
</blockquote>
on the<br class="">
<blockquote type="cite" class="">other
hand, I saw that
there is a
Multilang field
type<br class="">
(./perl_lib/EPrints/MetaField/Multilang.pm)
which should be<br class="">
</blockquote>
used for<br class="">
<blockquote type="cite" class="">this
purpose. The
strange thing is
that its perldoc
DESCRIPTION<br class="">
</blockquote>
section<br class="">
<blockquote type="cite" class="">starts
with "not done",
probably meaning
that it's not
implemented?<br class="">
Disregarding the
last comment, when
I changed<br class="">
./archives/myarchive/cfg/cfg.d/eprint_fields.pl
title field to<br class="">
</blockquote>
read:<br class="">
<blockquote type="cite" class="">{<br class="">
name =>
'title',<br class="">
type =>
'multilang',<br class="">
input_rows =>
3,<br class="">
make_single_value_orderkey
=><br class="">
'EPrints::Extras::english_title_orderkey',<br class="">
},<br class="">
<br class="">
and I reloaded
epadmin, I got the
following error:<br class="">
<br class="">
"Error in field
property for
eprint.title:
fields on a
multilang<br class="">
metafield can't be
undefined"<br class="">
<br class="">
So, which is the
proper way for
adding
multilanguage
support in<br class="">
</blockquote>
fields<br class="">
<blockquote type="cite" class="">and
display them in
workflows?<br class="">
<br class="">
Thanks for all
help in advance!<br class="">
<br class="">
</blockquote>
-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security
Officer,<br class="">
Electrical and
Computer Engineer
(Aristotle Univ. of
Thessaloniki),<br class="">
PhD (Aristotle Univ.
of Thessaloniki),<br class="">
MSc (Imperial
College of London)<br class="">
<br class="">
School of Electrical
and Computer
Engineering<br class="">
Aristotle University
of Thessaloniki<br class="">
<br class="">
phone number : +30
(2310) 994379<br class="">
<br class="">
<br class="">
<br class="">
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-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security
Officer,<br class="">
Electrical and
Computer Engineer
(Aristotle Univ. of
Thessaloniki),<br class="">
PhD (Aristotle Univ.
of Thessaloniki),<br class="">
MSc (Imperial College
of London)<br class="">
<br class="">
School of Electrical
and Computer
Engineering<br class="">
Aristotle University
of Thessaloniki<br class="">
<br class="">
phone number : +30
(2310) 994379<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
-----------------------------
Upozorenje
-----------------------------<br class="">
<br class="">
Automatskom detekcijom
utvrdjeno je da tekst
ove poruke<br class="">
podsjeca na tzv.
phishing poruku.<br class="">
<br class="">
AKO SE U PORUCI TRAZI
DA POSALJETE VASU IRB
LOZINKU ILI<br class="">
DA UNESETE IRB PODATKE
NA NAVEDENOM LINKU,
RADI SE O<br class="">
NAPADU S CILJEM KRADJE
I ZLOUPOTREBE
PODATAKA.<br class="">
<br class="">
Centar za informatiku
i racunarstvo,<br class="">
Institut Rudjer
Boskovic<br class="">
<br class="">
-----------------------------
Upozorenje
-----------------------------<br class="">
<br class="">
<br class="">
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Please excuse my
brevity.<br class="">
<br class="">
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-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security Officer,<br class="">
Electrical and Computer
Engineer (Aristotle Univ.
of Thessaloniki),<br class="">
PhD (Aristotle Univ. of
Thessaloniki),<br class="">
MSc (Imperial College of
London)<br class="">
<br class="">
School of Electrical and
Computer Engineering<br class="">
Aristotle University of
Thessaloniki<br class="">
<br class="">
phone number : +30 (2310)
994379<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
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-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security Officer,<br class="">
Electrical and Computer
Engineer (Aristotle Univ. of
Thessaloniki),<br class="">
PhD (Aristotle Univ. of
Thessaloniki),<br class="">
MSc (Imperial College of
London)<br class="">
<br class="">
School of Electrical and
Computer Engineering<br class="">
Aristotle University of
Thessaloniki<br class="">
<br class="">
phone number : +30 (2310)
994379<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
<br class="">
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-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security Officer,<br class="">
Electrical and Computer
Engineer (Aristotle Univ. of
Thessaloniki),<br class="">
PhD (Aristotle Univ. of
Thessaloniki),<br class="">
MSc (Imperial College of
London)<br class="">
<br class="">
School of Electrical and
Computer Engineering<br class="">
Aristotle University of
Thessaloniki<br class="">
<br class="">
phone number : +30 (2310)
994379<br class="">
<br class="">
<br class="">
<br class="">
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-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security Officer,<br class="">
Electrical and Computer Engineer (Aristotle
Univ. of Thessaloniki),<br class="">
PhD (Aristotle Univ. of Thessaloniki),<br class="">
MSc (Imperial College of London)<br class="">
<br class="">
School of Electrical and Computer
Engineering<br class="">
Aristotle University of Thessaloniki<br class="">
<br class="">
phone number : +30 (2310) 994379<br class="">
<br class="">
<br class="">
<br class="">
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-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security Officer<br class="">
Electrical and Computer Engineer (Aristotle Un.
of Thessaloniki),<br class="">
PhD (Aristotle Un. of Thessaloniki),<br class="">
MSc (Imperial College of London)<br class="">
<br class="">
Department of Electrical and Computer
Engineering<br class="">
Faculty of Engineering<br class="">
Aristotle University of Thessaloniki<br class="">
<br class="">
phone number : +30 (2310) 994379<br class="">
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-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security Officer,<br class="">
Electrical and Computer Engineer (Aristotle Univ. of
Thessaloniki),<br class="">
PhD (Aristotle Univ. of Thessaloniki),<br class="">
MSc (Imperial College of London)<br class="">
<br class="">
School of Electrical and Computer Engineering<br class="">
Aristotle University of Thessaloniki<br class="">
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phone number : +30 (2310) 994379<br class="">
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<br class="">
-- <br class="">
George Mamalakis<br class="">
<br class="">
IT and Security Officer,<br class="">
Electrical and Computer Engineer (Aristotle Univ. of
Thessaloniki),<br class="">
PhD (Aristotle Univ. of Thessaloniki),<br class="">
MSc (Imperial College of London)<br class="">
<br class="">
School of Electrical and Computer Engineering<br class="">
Aristotle University of Thessaloniki<br class="">
<br class="">
phone number : +30 (2310) 994379<br class="">
<br class="">
<br class="">
<br class="">
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<fieldset class="mimeAttachmentHeader"></fieldset>
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<pre wrap="" class="">*** Options: <a class="moz-txt-link-freetext" href="http://mailman.ecs.soton.ac.uk/mailman/listinfo/eprints-tech">http://mailman.ecs.soton.ac.uk/mailman/listinfo/eprints-tech</a>
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</pre>
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<br class="">
<br class="">
<pre class="moz-signature" cols="72">--
George Mamalakis
IT and Security Officer,
Electrical and Computer Engineer (Aristotle Univ. of Thessaloniki),
PhD (Aristotle Univ. of Thessaloniki),
MSc (Imperial College of London)
School of Electrical and Computer Engineering
Aristotle University of Thessaloniki
phone number : +30 (2310) 994379
</pre>
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