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Babel is a ProcessWire module that provides functionality for managing section based multilanguage sites. It is inspired by Babel Plugin for MODX.
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Readme.md

#Babel

Babel is a ProcessWire module that provides functionality for managing section based multilanguage sites. It is inspired by Babel Plugin for MODX.

How to Install

###Requirements Babel works on top of core LanguageSupport module. You will have to install it first and create languages for your site. Then:

  1. Copy all the files in this directory to /site/modules/Babel/

  2. In your admin, go to Modules > Refresh for new modules.

  3. Click the "Install" button next to Babel.

Settings

First of all you should set the root page for each language. Usually section based multilingual sites will have a structure like...

Root
  |__Home (English)
       |__About
       |__News
           |__ News Article 1
           |__ News Article 2
           |__ News Article 3
           |__ News Article 4
       |__Contact
       ...
  |__Главная (Russian)
       |__О нас
       |__Новости
           |__ Новостная статья 1
           |__ Новостная статья 2
           |__ Новостная статья 3
           |__ Новостная статья 4
       |__Связаться
       ...
  |__Baş Sahypa (Turkmen)
       |__Barada
       |__Habarlar
           |__ Habar Makalasy 1
           |__ Habar Makalasy 2
           |__ Habar Makalasy 3
           |__ Habar Makalasy 4
       |__Aragatnaşyk
       ...

You just need to select the languages that you want Babel to manage and select the root pages for each of them. Babel settings

API

Babel creates couple useful methods and a properties for you.

language (Page property)

Every page that is handled by Babel (those who are decendents of root pages that you choose on Babel module's settings page) will have a language property that returns a Language object that they are assigned to. It is determined based on under which rootParent the $page lives;

Syntax
$page->language;
Return

Language object.

translation (Page method)

This method returns the page that was assigned as a translation for the given $language.

Syntax
$page->translation($language);
Arguments

The $language argument could be either a string (the name of the language), an integer (the id of the language) or a Language object itself.

Throws

WireException if the language is not found or isn't handled by Babel.

Return

The method returns a Page object or NullPage if the translation is not available.

translations (Page method)

This method will return the pages that were assigned as a translation for all $languages that are available for that page. Or an empty PageArray if no translations are available. #####Syntax

$page->translations();

#####Return Returns PageArray.

addTranslation (Page method)

This method will create a translation link from $page to $otherPage. #####Syntax

$page->addTranslation($otherPage[, $overwrite]);

#####Arguments The $otherPage argument should be a Page object. The language of the page will be determined by Babel itself based on under which language section the page is located.

The $overwrite argument is optional and has three case scenarios:

  • If omitted the reverse link of the translation will be created only if the $otherPage does not have a translation link for the $page->language.
  • If set to true the reverse link will be overwitten even if $otherPage does have a translation link for the $page->language.
  • If set to false the reverse translation link will not be created even if the $otherPage does not have any translation links.

#####Return boolean if the translation link/s is/are created successfully or not.

removeTranslation (Page method)

The method removes a translation link between $page and $otherPage. #####Syntax

$page->removeTranslation($language[, $remove]);

#####Arguments $language (string|integer|Language) The language link you wish to remove.

$remove (boolean) If there is a reverse link that points back from the translation to this page, should Babel remove it too. Default is false.

Throws

Throws WireException if the language couldn't be found or is not handled by Babel. #####Return boolean If the removal of the translation link/s is/are successful.

closestParentTranslation (Page method)

Returns the translation of the closest translated parent of the page.

Syntax
$page->closestParentTranslation($language);
Arguments

$language (string|integer|Language) The language for which you want a translation for.

Throws

Throws WireException if the language couldn't be found or is not handled by Babel.

Return

Page object.

getRoot (Babel method)

Returns the rootPage of the language. The one you have assigned in the module settings page. #####Syntax

$modules->get('Babel')->getRoot($language);

#####Arguments $language (string|integer|Language) #####Throws Throws WireException if the language couldn't be found or is not handled by Babel. #####Return Page object.

translatable (Babel method)

Tells if a page is translatable via Babel or not. #####Syntax

$modules->get('Babel')->translatable($page);

#####Arguments $page is a Page object. The page you want to check on. #####Return boolean If the page is translatable or not.

###getTranslated (Babel method) Returns a PageArray of translated pages. #####Syntax

$modules->get('Babel')->getTranslated($fromLanguage, $toLanguage[, $limit[, $pageNum]]);

#####Arguments $fromLanguage (string|integer|Language) The language from which the translation is. If omitted (or null given) then all the translation from all languages will be considered.

$toLanguage (string|integer|Language) The language to which the translation is. If omitted (or null given) then translation to all languages will be considered.

$limit is the number of pages you want to receive. Default is 50.

$pageNum is the page number. Use for pagination of the returned PageArray. Default is 1.

#####Throws Throws WireException if the language couldn't be found or is not handled by Babel.

#####Return PageArray.

###getUntranslated (Babel method) Returns a PageArray of pages that are not translated to one or the other language. #####Syntax

$modules->get('Babel')->getUntranslated($fromLanguage, $toLanguage[, $limit[, $pageNum]]);

#####Arguments $fromLanguage (string|integer|Language) The language from which there is no translation. If omitted (or null given) then all the untranslated pages from any language will be considered.

$toLanguage (string|integer|Language) The language to which there is no translation. If omitted (or null given) then untranslated pages to any language will be considered.

$limit is the number of pages you want to receive. Default is 50.

$pageNum is the page number. Use for pagination of the returned PageArray. Default is 1.

#####Throws Throws WireException if the language couldn't be found or is not handled by Babel.

#####Return PageArray.

###babelHomePage ($config property) Reference to the home page. This is usually one of the pages that you chose ine the module settings. #####Syntax

$config->babelHomePage;

The babelHomePage is determined based on: the path that user has entered... if not available then the session is checked... if not available then it defaults to the core LanguageSupport module's default language;

##Usage Tips If your site structure is the way it looks like it is shown above. Your root page usually won't ever render. Whenever a user enters your site at the / path you will redirect him to one of language root pages. Here is how I suggest you to do that in your root.php template file.

$session->redirect($config->babelHomePage->url, false);

that's pretty much everything you need to have in your root.php file.

To display links for each language homepage...

$home = $config->babelHomePage;
$homePages = $home->translations()->and($home);
echo "<ul>";
foreach ($homePages as $p) {
  $title = $p->language->title;
  echo "<li><a href='$p->url'>$title</a></li>";
}
echo "</ul>";

To display links for each language for the current page...

echo "<ul>";
foreach ($page->translations() as $p) {
  $title = $p->language->title;
  echo "<li><a href='$p->url'>$title</a></li>";
}
echo "</ul>";

##ProcessBabelTranslate Babel comes with very useful admin helper. You can link pages as a translation for each other. You can create translation page if there isn't one yet. There is small indicators on page tree that shows which pages are translated to what languages. And you get a Babel Tanslate page where you can quickly find all the translated and untranslated pages accross your site. See the screenshots below...

######Settings page ProcessBabelTranslate settings

######Translation indicators ProcessBabelTranslate language indicators

######Quick action button ProcessBabelTranslate quick action buttons

######Quick modal translate form ProcessBabelTranslate quick translate modal form

######Tab translate form ProcessBabelTranslate tab translate form

######ProcessBabelTranslate page ProcessBabelTranslate page menu item

ProcessBabelTranslate process page

##License

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

(See included LICENSE file for full license text.)

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