[Koha-bugs] [Bug 25099] Add lang from cookie to plugins template params

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=25099

--- Comment #1 from Nicolas Legrand <nicolas.legrand at bulac.fr> ---
Created attachment 102644
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=102644&action=edit
Bug 25099: Add lang from cookie to plugins template params

To make internationalised plugins, it may be useful to get the
KohaOpacLanguage from Koha cookie. This patch adds the value of
$cgi->cookie('KohaOpacLanguage') to a LANG variable which is sent to
the template plugin.

In your plugin, you can add a i18n directory containing
lang[-DIALECT].inc files with a TOKENS hash like this:

    [%
      TOKENS = {
        PLUGIN_NAME = "Mannequin"
        PRESENTATION = "Voici un example d'outil."
        CLICK_ME = "Cliquez moi !"
      }
    %]

The plugin template can then include such a lang[-DIALECT].inc with a
hash containing all the plugin strings:

    [% TRY %]
        [% PROCESS "$PLUGIN_DIR/i18n/${LANG}.inc" %]
    [% CATCH %]
        [% PROCESS "$PLUGIN_DIR/i18n/default.inc" %]
    [% END %]

The strings are then printed in the template with something like:

    [% TOKENS.PRESENTATION %]

Test plan:

1. apply patch
2. install, enable and run BULAC Mannequin plugin
3. it should print stuff in english by default
4. install french French (fr-FR)
5. change you Koha lang to French
6. run again the plugin
7. ho là là! French!

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