Page History
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The proposed approach is still under review - there are still considerable technical hurdles to overcome in this area of work. |
Introduction
Prior to DSpace 7, the DSpace XML and JSP User interfaces had different catalogs of interface messages. Unified on a single user interface, the DSpace community is transitioning to a widely adopted web standard for the translation of interface messages.
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The DSpace community is actively seeking contributors to aid in the translation of DSpace interface messages, to ensure that DSpace 7 can benefit from the most extensive localization support in the history of the project.
Getting started
Contributing to translations requires a Github and a DuraSpace wiki account. Head over to www.github.com to create a free Github account.
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Explore tools that can help you with the management of .pot and .po files. https://poedit.net/ is one widely used desktop application.
2019-07-25 State of development
The key challenges that are still being tackled are:
- Compatibility between the PO loader for NGX and Angular 7 cfr https://github.com/biesbjerg/ngx-translate-po-http-loader/issues/29
- Support for pluralization
- Support for the translation of a specific English message, into different messages in another language, depending on the context.
2019-05-20 State of development
As part of preview release 1, the developers are still using en.json catalogs. Once Pull Request 366 is accepted, the migration to the new .POT and .PO standard files will be official.
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Together, we aim to release as many, as complete translations as possible, as part of the official DSpace 7.0 release.
Volunteer!
Please list your name, email address alongside any of the languages to which you wish to contribute. Also feel free to join the channel #translation on the DuraSpace Slack for assistance and discussion around DSpace 7 translations.
Dutch (nl.po)
Bram Luyten - bram@atmire.com
Claudia Jürgen - claudia.juergen@tu-dortmund.de - German (de.po)
Translator documentation
Translation files (.po)
Comments - #
All lines in the translation files that start with # are comments, either aimed at helping developers or helping translators.
#: at the start of a line is a source reference, aimed at making it clear where in the source code this message IS or WAS used. Because the original po files were migrated from another, json based format, the old JSON keys have been added as source references, to make it clear where the message originally came from in the previous format.
Normal key / msgid examples
For most keys that need to be translated, the English original is part of the DSpace Angular source code. This original is then used as the msgid.
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#: .submission.workflow.generic.delete-help msgid "" "If you would to discard this item, select \"Delete\". You will then be " "asked to confirm it." msgstr "" "If you would to discard this item, select \"Delete\". You will then be " "asked to confirm it." |
Dynamic key example
In parts of the DSpace Angular code, a list of very similar objects is being built and displayed in the user interface, for example, the search filters.
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Notice how here, that the English translation is also added into the comments, because msgid needs to hold the key in order for the translation to work.
The Angular DSpace 7 message catalog (dspace.pot)
The format of the dspace.pot catalog file, is very similar to the format of the translations.
The main difference is that this file does not contain actual translated strings (msgstr), because it serves as the authoritative catalog of the source messages, without translations.
Background reading
Developer How-to
Escaping
In Angular files (.html, .ts, ...) you need to escape
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- Double quotes (") with \
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Locating keys that have not been replaced
If you execute following command in the angular source directory, you get a list of keys that have not yet been replaced.
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app/+community-page/delete-community-page/delete-community-page.component.html:5: <h2 id="header" class="border-bottom pb-2">{{ 'community.delete.head' | translate
app/+community-page/delete-community-page/delete-community-page.component.html:7: <p class="pb-2">{{ 'community.delete.text' | translate:{ dso: dso.name } }}</p>
app/+community-page/delete-community-page/delete-community-page.component.html:12: <button class="btn btn-primary" (click)="onCancel(dso)">{{'community.delete.cancel' | translate}}
app/+community-page/edit-community-page/edit-community-page.component.html:4: <h2 id="header" class="border-bottom pb-2">{{ 'community.edit.head' | translate }}</h2> |
Future work
Message Context - msgctxt
Apart from comments, starting with #, the msgid lines representing the key, and the msgstr lines, representing the translations, an entry can also contain a msgctxt line.
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Overview
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