Add text direction option

Passed into theme and stored as boolean ‘isRTL’.

qa-include/qa-app-format.php

@@ -1810,7 +1810,7 @@
 
 	//	Finally, instantiate the object
 
-		$themeclass=new $classname($template, $content, $themeroothtml, $request);
+		$themeclass=new $classname($template, $content, $themeroothtml, $request, qa_opt('site_text_direction'));
 
 		return $themeclass;
 	}

qa-include/qa-app-options.php

@@ -351,6 +351,7 @@
 			'show_user_points' => 1,
 			'show_user_titles' => 1,
 			'show_when_created' => 1,
+			'site_text_direction' => 'ltr',
 			'site_theme' => 'Snow',
 			'smtp_port' => 25,
 			'sort_answers_by' => 'created',

qa-include/qa-lang-options.php

@@ -261,8 +261,9 @@
 		'show_when_created' => 'Show age of user posts:',
 		'site_language' => 'Site language:',
 		'site_maintenance' => 'Take site down for temporary maintenance',
-		'site_theme_mobile' => 'Theme for mobiles:',
+		'site_text_direction' => 'Site text direction:',
 		'site_theme' => 'Site theme:',
+		'site_theme_mobile' => 'Theme for mobiles:',
 		'site_title' => 'Q&A site name:',
 		'site_url' => 'Preferred site URL:',
 		'smtp_active' => 'Send email via SMTP instead of local mail',

qa-include/qa-page-admin-default.php

@@ -281,7 +281,7 @@
 	switch ($adminsection) {
 		case 'general':
 			$subtitle = 'admin/general_title';
-			$showoptions = array('site_title', 'site_url', 'neat_urls', 'site_language', 'site_theme', 'site_theme_mobile', 'tags_or_categories', 'site_maintenance');
+			$showoptions = array('site_title', 'site_url', 'neat_urls', 'site_language', 'site_theme', 'site_theme_mobile', 'site_text_direction', 'tags_or_categories', 'site_maintenance');
 			break;
 
 		case 'emails':
@@ -1045,6 +1045,11 @@
 					$optionfield['suffix'] = $namehtml.' '.$authorhtml.' '.$updatehtml;
 					break;
 
+				case 'site_text_direction':
+					$directions = array('ltr'=>'LTR', 'rtl'=>'RTL');
+					qa_optionfield_make_select($optionfield, $directions, $value, 'ltr');
+					break;
+
 				case 'tags_or_categories':
 					qa_optionfield_make_select($optionfield, array(
 						'' => qa_lang_html('admin/no_classification'),

qa-include/qa-theme-base.php

@@ -47,15 +47,17 @@
 		protected $lines = 0;
 		protected $context = array();
 
-		// whether to use new block layout in rankings (true) or fall back to tables (false)
-		protected $ranking_block_layout = false;
-
-		protected $rooturl;
 		protected $template;
 		protected $content;
+		protected $rooturl;
 		protected $request;
+		protected $isRTL; // (boolean) whether text direction is Right-To-Left
+
+		// whether to use new block layout in rankings (true) or fall back to tables (false)
+		protected $ranking_block_layout = false;
+
 
-		public function __construct($template, $content, $rooturl, $request)
+		public function __construct($template, $content, $rooturl, $request, $textdir='ltr')
 	/*
 		Initialize the object and assign local variables
 	*/
@@ -64,15 +66,16 @@
 			$this->content = $content;
 			$this->rooturl = $rooturl;
 			$this->request = $request;
+			$this->isRTL = $textdir === 'rtl';
 		}
 
 		/**
 		 * @deprecated PHP4-style constructor deprecated from 1.7; please use proper `__construct`
 		 * function instead.
 		 */
-		public function qa_html_theme_base($template, $content, $rooturl, $request)
+		public function qa_html_theme_base($template, $content, $rooturl, $request, $textdir='ltr')
 		{
-			self::__construct($template, $content, $rooturl, $request);
+			self::__construct($template, $content, $rooturl, $request, $textdir);
 		}