2015-02-20 16:29 GMT+01:00 vincent(a)massol.net <vincent(a)massol.net>et>:
Hi devs,
At the moment the VOTED rule for naming our translation properties is the
one defined at
http://dev.xwiki.org/xwiki/bin/view/Community/DevelopmentPractices#HTransla…
Back in 2012 Sergiu started drafting an extended "L10N Conventions”
document for best practices around writing translation properties at
http://dev.xwiki.org/xwiki/bin/view/Drafts/L10N+Conventions
Sergiu sent this a proposal in this mail thread:
http://markmail.org/message/ofl23yorvxsqhn4x
When Sergiu did this he didn’t realize we already had a VOTED rule for
naming our translation properties and his proposal was in conflit with
that. However, in this mail thread, several developers mentioned that even
though they votes the previous naming rules they didn’t fully like it and
preferred the one Sergiu was proposing. Several suggestion for improvements
were also proposed. It was suggested in that thread (and Sergiu agreed)
that he should resend a VOTE to change those established rules. Apparently
he didn’t get the time/will to do it since I couldn’t find such a mail.
In addition several developers are apparently not following the current
rules (BAD! :)). For example in the xwiki-platform-icon-ui module, the
Translations.xml page has the following which is NOT following the current
rules:
platform.icon.picker.preview=Preview with:
platform.icon.picker.loading=Loading
What is wrong with that? Dots are not allowed in the property name?
picker.preview should have been called pickerPreview? What if the property
name is long, such as platform.wiki.users.join.request.cancelYes? It should
have been platform.wiki.usersJoinRequestCancelYes?
And most translation keys found in contrib apps at
http://l10n.xwiki.org/xwiki/bin/view/Contrib/WebHome are also not
following these rules (although we don’t enforce anything for contrib
projects, when they are coded by devs from the XWiki dev team or by known
contributors, it would be a good thing to follow the same rule, especially
as, in the future, we want to provide a path to move from contrib sandbox
to contrib extensions). For example I see the following type of naming:
“polls.vote.instructions.single”.
Thus, with this email I’d like to try agreeing on a new naming format and
conventions.
I propose to VOTE for making
http://dev.xwiki.org/xwiki/bin/view/Drafts/L10N+Conventions our official
practice with the following change for the property naming part:
"
Keys should have the following format:
##[module]*[.section]*.element[.part]*##, where:
* ##module## is the name of the module or application being translated,
like ##blog##, ##faq##, ##statistics##… Since a module can have submodules,
there can be several module names. For example the SOLR Search UI is
located in
##xwiki-platform-search/xwiki-platform-solr/xwiki-platform-solr-ui## and
would have keys starting with ##search.solr.##.
* zero, one or more ##section## parts that further refine the location of
the string being translated; for example, a key starting with
##theme.colors.wizard.## refers to a text located in the //wizard// for the
//color// part of the //theme// application (currently there are only color
themes, but in the future we might add icon themes, layout themes, and so
on), ##macro.python.parameter.## refers to //parameters// of the //python//
//macro//, while a key starting with ##userdirectory.## belongs to the main
and only section of the //user directory// application
* ##element## identifies the main element being translated, but such an
element could have several related parts.
* ##part## identifies a text related to a main element, such as the
##label## that describes an input, the ##placeholder## found inside that
input, the ##tooltip## that appears when hovering that input, the ##hint##
that is displayed before the field and provides additional details about
what it, the ##error.empty## or ##error.invalidFormat## displayed when
there are validation errors, and so on
Individual parts of the key should use **camelCase** if more than one word
is needed to identify the element.
“
Note that I’ve removed the ##product## part from Sergiu’s proposal (the
reasoning is here:
http://markmail.org/message/ocijlegslw45yedu). In
short this makes it simpler to move apps around without breaking the
translation keys. Of course it reduces the namespace and increases
likelihood of translation clashes with user-provided extensions but I don’t
think it’s going to be a problem and user-provided extensions should have a
unique app name anyway.
I would also point to
http://dev.xwiki.org/xwiki/bin/view/Community/DevelopmentPractices#HTransla…
for
the deprecation part.
The big question is what to do with existing translations and the only
answer I have so far is:
* Use the new rules when adding new translation keys (after, and if, it’s
voted)
* Don’t touch existing keys for now (since that would loose all
translations) but implement the following first, and once it’s done,
refactor existing translations over time:
** Add support for a deprecation section in Translations.xml’s content,
honoured by l10n in the same way that we do it for
ApplicationResources.properties
** Add the new key
** Move the old key to the deprecation section
(in ApplicationResources.properties or in Translations.xml)
** Make the old key point to the new key, using a special syntax. For
example: my.old.deprecated.key = @{new.shiny.key}
Here’s my +1
Thanks
-Vincent
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Guillaume Delhumeau (gdelhumeau(a)xwiki.com)
Research & Development Engineer at XWiki SAS
Committer on the