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<?php /** * Class for generating HTML <select> elements. * * 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. * http://www.gnu.org/copyleft/gpl.html * * @file */ namespace MediaWiki\Xml; use MediaWiki\Html\Html; /** * Class for generating HTML <select> or <datalist> elements. */ class XmlSelect { /** @var array[] */ protected $options = []; /** @var string|array|false */ protected $default = false; /** @var string|array */ protected $tagName = 'select'; /** @var (string|int)[] */ protected $attributes = []; public function __construct( $name = false, $id = false, $default = false ) { if ( $name ) { $this->setAttribute( 'name', $name ); } if ( $id ) { $this->setAttribute( 'id', $id ); } if ( $default !== false ) { $this->default = $default; } } /** * @param string|array $default */ public function setDefault( $default ) { $this->default = $default; } /** * @param string|array $tagName */ public function setTagName( $tagName ) { $this->tagName = $tagName; } /** * @param string $name * @param string|int $value */ public function setAttribute( $name, $value ) { $this->attributes[$name] = $value; } /** * @param string $name * @return string|int|null */ public function getAttribute( $name ) { return $this->attributes[$name] ?? null; } /** * @param string $label * @param string|int|float|false $value If not given, assumed equal to $label */ public function addOption( $label, $value = false ) { $value = $value !== false ? $value : $label; $this->options[] = [ $label => $value ]; } /** * This accepts an array of form * label => value * label => ( label => value, label => value ) * * @param array $options */ public function addOptions( $options ) { $this->options[] = $options; } /** * This accepts an array of form: * label => value * label => ( label => value, label => value ) * * @param array $options * @param string|array|false $default * @return string */ public static function formatOptions( $options, $default = false ) { $data = ''; foreach ( $options as $label => $value ) { if ( is_array( $value ) ) { $contents = self::formatOptions( $value, $default ); $data .= Html::rawElement( 'optgroup', [ 'label' => $label ], $contents ) . "\n"; } else { // If $default is an array, then the <select> probably has the multiple attribute, // so we should check if each $value is in $default, rather than checking if // $value is equal to $default. $selected = is_array( $default ) ? in_array( $value, $default ) : $value === $default; $data .= Xml::option( $label, $value, $selected ) . "\n"; } } return $data; } /** * @return string */ public function getHTML() { $contents = ''; foreach ( $this->options as $options ) { $contents .= self::formatOptions( $options, $this->default ); } return Html::rawElement( $this->tagName, $this->attributes, rtrim( $contents ) ); } /** * Parse labels and values out of a comma- and colon-separated list of options, such as is used for * expiry and duration lists. Documentation of the format is on translatewiki.net. * @since 1.35 * @link https://translatewiki.net/wiki/Template:Doc-mediawiki-options-list * @param string $msg The message to parse. * @return string[] The options array, where keys are option labels (i.e. translations) * and values are option values (i.e. untranslated). */ public static function parseOptionsMessage( string $msg ): array { $options = []; foreach ( explode( ',', $msg ) as $option ) { // Normalize options that only have one part. if ( strpos( $option, ':' ) === false ) { $option = "$option:$option"; } // Extract the two parts. [ $label, $value ] = explode( ':', $option ); $options[ trim( $label ) ] = trim( $value ); } return $options; } } /** @deprecated class alias since 1.43 */ class_alias( XmlSelect::class, 'XmlSelect' );
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