Joomla! Documentation™

Multilingual Sites

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Articles in this Series

1. Introduction
2. Parameters for all Custom Fields
3. Calendar Field
4. Checkboxes Field
5. Color Field
6. Editor Field
7. Integer Field
8. List Field
9. List of Images Field
10. Media Field
11. Radio Field
12. Repeatable Field
13. Sql Field
14. Text Field
15. Textarea Field
16. Url Field
17. User Field
18. Usergroup Field
19. How can you group custom fields
20. What components are supporting custom fields
21. Implementation into your component
22. Use custom fields in your overrides

Custom Fields in Multilanguage Sites

If you have a multilingual site then you can display the labels and descriptions of custom fields and field groups in the user's language. To do this:

1. Define the Title and Description of your custom field group as language constants
2. Define the Label and Description of your custom field as language constants
3. Set up those language constants as overrides for each of your languages

In the following example we set up a Contact custom field group and custom field. We define a custom field group relating to the contact's personal preferences called Favourites. And inside the Favourites field group we add a custom field for Car.

We define the above attributes as language constants, and then define text for these language constants in English and German. The result is that the custom field group and custom field are shown in both the administrator and site areas in the user's language.

(To use these features it's assumed you have your site set up to be multilingual, as described in the Setup a Multilingual Site tutorial.)

Defining the Custom Field Group

Within the Contacts areas define a new custom field group as shown below. (Note that it's best to choose a language constant that doesn't start with one of the Joomla components etc, to avoid possible future clashes with newer versions of Joomla).

Defining the Custom Field

Then define a new custom field and assign it to the above field group:

Edit a Contact (before strings translated)

When you now edit a contact record you should see the new custom field within a tab for the Favourites. At this stage the language constant strings we entered will be displayed.

Defining the Overrides

Now go into Extensions / Languages / Overrides. Select the English Administrator in the drop-down box, and create overrides for each of the language constants. Select For Both Locations so that the language constant is used on the front-end as well.

After you have entered overrides for the 4 English language constants you should end up with:

Now select German Administrator and add German translations for each, ending up with:

Edit a Contact

Now when a Contact is edited in the back-end the custom field and field group are displayed in the administrator's language:

Display a Contact

If you display a contact on the front-end then the custom fields are displayed with the language-specific label.

Prev: Usergroup Field

Next: Components supporting custom fields