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<?php
/**
* Contains code for language boxes.
*
* @file
* @author Robert Leverington
* @author Robin Pepermans
* @author Niklas Laxström
* @author Brian Wolff
* @author Purodha Blissenbach
* @author Sam Reed
* @author Siebrand Mazeland
* @license GPL-2.0-or-later
*/
namespace MediaWiki\Babel\BabelBox;
use BabelAutoCreate;
use BabelLanguageCodes;
use Language;
use MWException;
use Title;
/**
* Class for babel language boxes.
*/
class LanguageBabelBox implements BabelBox {
/**
* @var Title
*/
private $title;
/**
* @var string
*/
private $code;
/**
* @var string
*/
private $level;
/**
* @var bool
*/
private $createCategories;
/**
* Construct a babel box for the given language and level.
*
* @param Title $title
* @param string $code Language code to use.
* This is a mediawiki-internal code (not necessarily a valid BCP-47 code)
* @param string $level Level of ability to use.
* @param bool $createCategories If true, creates non existing categories;
* otherwise, doesn't create them.
*/
public function __construct( Title $title, $code, $level, $createCategories = true ) {
$this->title = $title;
$this->code = BabelLanguageCodes::getCode( $code ) ?? $code;
$this->level = $level;
$this->createCategories = $createCategories;
}
/**
* Return the babel box code.
*
* @return string A babel box for the given language and level.
*/
public function render() {
$code = $this->code;
$catCode = BabelLanguageCodes::getCategoryCode( $code );
$bcp47 = BabelLanguageCodes::bcp47( $code );
$portal = wfMessage( 'babel-portal', $catCode )->inContentLanguage()->text();
if ( $portal !== '' ) {
$portal = "[[$portal|$catCode]]";
} else {
$portal = $catCode;
}
$header = "$portal<span class=\"mw-babel-box-level-{$this->level}\">-{$this->level}</span>";
$name = BabelLanguageCodes::getName( $code );
$text = self::getText( $this->title, $name, $code, $this->level );
$dir_current = Language::factory( $code )->getDir();
$dir_head = $this->title->getPageLanguage()->getDir();
$box = <<<EOT
<div class="mw-babel-box mw-babel-box-{$this->level}" dir="$dir_head">
{|
! dir="$dir_head" | $header
| dir="$dir_current" lang="$bcp47" | $text
|}
</div>
EOT;
return $box;
}
/**
* Get the text to display in the language box for specific language and
* level.
*
* @param Title $title
* @param string $name
* @param string $code Mediawiki-internal language code of language to use.
* @param string $level Level to use.
* @return string Text for display, in wikitext format.
*/
private static function getText( Title $title, $name, $code, $level ) {
global $wgBabelMainCategory, $wgBabelCategoryNames;
if ( $wgBabelCategoryNames[$level] === false ) {
$categoryLevel = ':' . $title->getFullText();
} else {
$categoryLevel = ':Category:' .
self::getCategoryName( $wgBabelCategoryNames[$level], $code );
}
if ( $wgBabelMainCategory === false ) {
$categoryMain = ':' . $title->getFullText();
} else {
$categoryMain = ':Category:' .
self::getCategoryName( $wgBabelMainCategory, $code );
}
// Give grep a chance to find the usages:
// babel-0-n, babel-1-n, babel-2-n, babel-3-n, babel-4-n, babel-5-n, babel-N-n
$text = wfMessage( "babel-$level-n",
$categoryLevel, $categoryMain, '', $title->getDBkey()
)->inLanguage( $code )->text();
$fallbackLanguage = Language::getFallbackFor( $code );
$fallback = wfMessage( "babel-$level-n",
$categoryLevel, $categoryMain, '', $title->getDBkey()
)->inLanguage( $fallbackLanguage ? $fallbackLanguage : $code )->text();
// Give grep a chance to find the usages:
// babel-0, babel-1, babel-2, babel-3, babel-4, babel-5, babel-N
if ( $text == $fallback ) {
$text = wfMessage( "babel-$level",
$categoryLevel, $categoryMain, $name, $title->getDBkey()
)->inLanguage( $code )->text();
}
return $text;
}
/**
* Generate categories for the language box.
*
* @return string[] [ category => sort key ]
*/
public function getCategories() {
global $wgBabelMainCategory, $wgBabelCategoryNames, $wgBabelCategorizeNamespaces;
$r = [];
if (
$wgBabelCategorizeNamespaces !== null &&
!$this->title->inNamespaces( $wgBabelCategorizeNamespaces )
) {
return $r;
}
# Add main category
if ( $wgBabelMainCategory !== false && $this->level !== '0' ) {
$category = self::getCategoryName( $wgBabelMainCategory, $this->code );
$r[$category] = $this->level;
if ( $this->createCategories ) {
BabelAutoCreate::create( $category, $this->code );
}
}
# Add level category
if ( $wgBabelCategoryNames[$this->level] !== false ) {
$category = self::getCategoryName( $wgBabelCategoryNames[$this->level], $this->code );
// Use default sort key
$r[$category] = false;
if ( $this->createCategories ) {
BabelAutoCreate::create( $category, $this->code, $this->level );
}
}
return $r;
}
/**
* Replace the placeholder variables from the category names configurtion
* array with actual values.
*
* @throws MWException if the category name is not a valid title
* @param string $category Category name (containing variables).
* @param string $code Mediawiki-internal language code of category.
* @return string Category name with variables replaced.
*/
private static function getCategoryName( $category, $code ) {
global $wgLanguageCode;
$category = strtr( $category, [
'%code%' => BabelLanguageCodes::getCategoryCode( $code ),
'%wikiname%' => BabelLanguageCodes::getName( $code, $wgLanguageCode ),
'%nativename%' => BabelLanguageCodes::getName( $code )
] );
// Normalize using Title
$title = Title::makeTitleSafe( NS_CATEGORY, $category );
if ( !$title ) {
throw new MWException( "Invalid babel category name '$category'" );
}
return $title->getDBkey();
}
}
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