MDL-39871 themes RTL: Get rtlblockmanipulations from any parent

diff --git a/lib/outputlib.php b/lib/outputlib.php
index 59b8cd2..8bfc1b2 100644 (file)
--- a/lib/outputlib.php
+++ b/lib/outputlib.php
@@ -488,8 +488,13 @@ class theme_config {
         }
 
         // Use parent theme's "blockrtlmanipulations" if it was defined and if it was not defined on current theme.
-        if (empty($this->blockrtlmanipulations) and !empty($parent_config->blockrtlmanipulations)) {
-            $this->blockrtlmanipulations = $parent_config->blockrtlmanipulations;
+        if (empty($this->blockrtlmanipulations)) {
+            foreach ($this->parent_configs as $parent_config) {
+                if (!empty($parent_config->blockrtlmanipulations)) {
+                    $this->blockrtlmanipulations = $parent_config->blockrtlmanipulations;
+                    continue;
+                }
+            }
         }
 
         //fix arrows if needed