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diff --git a/www/wiki/includes/ListToggle.php b/www/wiki/includes/ListToggle.php
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+<?php
+/**
+ * Class for generating clickable toggle links for a list of checkboxes.
+ *
+ * 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
+ */
+
+/**
+ * Class for generating clickable toggle links for a list of checkboxes.
+ *
+ * This is only supported on clients that have JavaScript enabled; it is hidden
+ * for clients that have it disabled.
+ *
+ * @since 1.27
+ */
+class ListToggle {
+	/** @var OutputPage */
+	private $output;
+
+	public function __construct( OutputPage $output ) {
+		$this->output = $output;
+
+		$output->addModules( 'mediawiki.checkboxtoggle' );
+		$output->addModuleStyles( 'mediawiki.checkboxtoggle.styles' );
+	}
+
+	private function checkboxLink( $checkboxType ) {
+		return Html::element(
+			// CSS classes: mw-checkbox-all, mw-checkbox-none, mw-checkbox-invert
+			'a', [ 'class' => 'mw-checkbox-' . $checkboxType, 'role' => 'button', 'tabindex' => 0 ],
+			$this->output->msg( 'checkbox-' . $checkboxType )->text()
+		);
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getHTML() {
+		// Select: All, None, Invert
+		$links = [
+			$this->checkboxLink( 'all' ),
+			$this->checkboxLink( 'none' ),
+			$this->checkboxLink( 'invert' ),
+		];
+
+		return Html::rawElement( 'div',
+			[
+				'class' => 'mw-checkbox-toggle-controls'
+			],
+			$this->output->msg( 'checkbox-select' )
+				->rawParams( $this->output->getLanguage()->commaList( $links ) )->escaped()
+		);
+	}
+}