From 3220bb8ef48523d1759d56f0051613201b097e32 Mon Sep 17 00:00:00 2001
From: alistair3149 <alistair3149@users.noreply.github.com>
Date: Wed, 20 Apr 2022 17:21:49 -0400
Subject: [PATCH] feat: add initial Parsoid support for the tabber tag

---
 extension.json             |  1 +
 includes/Hooks.php         | 20 ++++++++-
 includes/TabberParsoid.php | 86 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 106 insertions(+), 1 deletion(-)
 create mode 100644 includes/TabberParsoid.php

diff --git a/extension.json b/extension.json
index 3ee2242..e65ffa0 100644
--- a/extension.json
+++ b/extension.json
@@ -87,5 +87,6 @@
 			"class": "TabberNeue\\Hooks"
 		}
 	},
+	"ParsoidModules": [ "TabberNeue\\Hooks" ],
 	"manifest_version": 2
 }
diff --git a/includes/Hooks.php b/includes/Hooks.php
index 8306b5d..a0e9ee3 100644
--- a/includes/Hooks.php
+++ b/includes/Hooks.php
@@ -6,8 +6,9 @@ namespace TabberNeue;
 
 use MediaWiki\Hook\ParserFirstCallInitHook;
 use Parser;
+use Wikimedia\Parsoid\Ext\ExtensionModule;
 
-class Hooks implements ParserFirstCallInitHook {
+class Hooks implements ExtensionModule, ParserFirstCallInitHook {
 	/**
 	 * @see https://www.mediawiki.org/wiki/Manual:Hooks/ParserFirstCallInit
 	 *
@@ -17,4 +18,21 @@ class Hooks implements ParserFirstCallInitHook {
 		$parser->setHook( 'tabber', Tabber::class . '::parserHook' );
 		$parser->setHook( 'tabbertransclude', TabberTransclude::class . '::parserHook' );
 	}
+
+	/**
+	 * Return information about this Parsoid extension module
+	 *
+	 * @return array
+	 */
+	public function getConfig(): array {
+		return [
+			'name' => 'TabberNeue',
+			'tags' => [
+				[
+					'name' => 'tabber',
+					'handler' => TabberParsoid::class
+				]
+			]
+		];
+	}
 }
diff --git a/includes/TabberParsoid.php b/includes/TabberParsoid.php
new file mode 100644
index 0000000..7f386cd
--- /dev/null
+++ b/includes/TabberParsoid.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * TabberNeue
+ * TabberParsoid Class
+ * Implement <tabber> tag in Parsoid
+ *
+ * @package TabberNeue
+ * @author  alistair3149, Eric Fortin, Alexia E. Smith, Ciencia Al Poder
+ * @license GPL-3.0-or-later
+ * @link    https://www.mediawiki.org/wiki/Extension:TabberNeue
+ */
+
+declare( strict_types=1 );
+
+namespace TabberNeue;
+
+use Wikimedia\Parsoid\Ext\ExtensionTagHandler;
+use Wikimedia\Parsoid\Ext\ParsoidExtensionAPI;
+
+class TabberParsoid extends ExtensionTagHandler {
+	/** @inheritDoc */
+	public function sourceToDom( ParsoidExtensionAPI $extApi, string $src, array $extArgs ) {
+		$extApi->addModuleStyles( [ 'ext.tabberNeue' ] );
+		$html = self::render( $extApi, $src );
+		return $extApi->htmlToDom( $html );
+	}
+
+	/**
+	 * Renders the necessary HTML for a <tabber> tag.
+	 *
+	 * @param PParsoidExtensionAPI $extApi
+	 * @param string $src The input URL between the beginning and ending tags.
+	 *
+	 * @return string HTML
+	 */
+	public static function render( ParsoidExtensionAPI $extApi, string $src ) {
+		$arr = explode( "|-|", $src );
+		$htmlTabs = '';
+		foreach ( $arr as $tab ) {
+			$htmlTabs .= self::buildTab( $extApi, $tab );
+		}
+
+		$html = '<div class="tabber">' .
+			'<section class="tabber__section">' . $htmlTabs . "</section></div>";
+
+		return $html;
+	}
+
+	/**
+	 * Build individual tab.
+	 *
+	 * @param PParsoidExtensionAPI $extApi
+	 * @param string $tab Tab information
+	 *
+	 * @return string HTML
+	 */
+	private static function buildTab( ParsoidExtensionAPI $extApi, string $tab ) {
+		$tab = trim( $tab );
+		if ( empty( $tab ) ) {
+			return $tab;
+		}
+
+		// Use array_pad to make sure at least 2 array values are always returned
+		list( $tabName, $tabBody ) = array_pad( array_map( 'trim', explode( '=', $tab, 2 ) ), 2, '' );
+
+		// $tabBody = $extApi->wikitextToDOM( $tabBody );
+
+		$tabBody = $extApi->domToHTML(
+				$extApi->wikitextToDOM(
+					$tabBody,
+					[
+						'parseOpts' => [
+							'extTag' => 'tabber',
+							'context' => 'inline',
+						]
+					],
+					true // sol
+				)
+			);
+
+		$tab = '<article class="tabber__panel" title="' . htmlspecialchars( $tabName ) .
+			'">' . $tabBody . '</article>';
+
+		return $tab;
+	}
+}