From 37235814fafa230472df4da891405cbaa1530c7f Mon Sep 17 00:00:00 2001
From: Igor Vitol <igorvitold@gmail.com>
Date: Tue, 8 May 2018 14:01:47 +0300
Subject: [PATCH] Add 'const' type support to layout arguments

---
 app/code/Magento/Ui/etc/di.xml                              | 1 +
 .../Magento/Framework/View/Layout/etc/layout_merged.xsd     | 6 ++++++
 .../Framework/View/Layout/etc/page_configuration.xsd        | 6 ++++++
 3 files changed, 13 insertions(+)

diff --git a/app/code/Magento/Ui/etc/di.xml b/app/code/Magento/Ui/etc/di.xml
index bb29515777576..3b9803b72e26d 100644
--- a/app/code/Magento/Ui/etc/di.xml
+++ b/app/code/Magento/Ui/etc/di.xml
@@ -197,6 +197,7 @@
     <type name="Magento\Framework\Data\Argument\Interpreter\Composite">
         <arguments>
             <argument name="interpreters" xsi:type="array">
+                <item name="const" xsi:type="object">Magento\Framework\Data\Argument\Interpreter\Constant</item>
                 <item name="object" xsi:type="object">configurableObjectArgumentInterpreterProxy</item>
                 <item name="configurableObject" xsi:type="object">configurableObjectArgumentInterpreterProxy</item>
                 <item name="array" xsi:type="object">arrayArgumentInterpreterProxy</item>
diff --git a/lib/internal/Magento/Framework/View/Layout/etc/layout_merged.xsd b/lib/internal/Magento/Framework/View/Layout/etc/layout_merged.xsd
index 8ecc51f3010b8..92332b76345c9 100644
--- a/lib/internal/Magento/Framework/View/Layout/etc/layout_merged.xsd
+++ b/lib/internal/Magento/Framework/View/Layout/etc/layout_merged.xsd
@@ -62,4 +62,10 @@
             </xs:extension>
         </xs:complexContent>
     </xs:complexType>
+
+    <xs:complexType name="const">
+        <xs:complexContent>
+            <xs:extension base="argumentType" />
+        </xs:complexContent>
+    </xs:complexType>
 </xs:schema>
diff --git a/lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd b/lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd
index 397b71fe70825..09ad246b3a64d 100644
--- a/lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd
+++ b/lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd
@@ -32,4 +32,10 @@
             <xs:field xpath="@name"/>
         </xs:unique>
     </xs:element>
+
+    <xs:complexType name="const">
+        <xs:complexContent>
+            <xs:extension base="argumentType" />
+        </xs:complexContent>
+    </xs:complexType>
 </xs:schema>