Display Scope.content fields in Studio editor

But mark `data` as non-editable metadata, so that it doesn't appear

common/lib/xmodule/xmodule/capa_base.py

@@ -200,6 +200,12 @@ class CapaFields(object):
         scope=Scope.settings
     )
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(CapaFields, self).non_editable_metadata_fields
+        non_editable_fields.append(CapaFields.data)
+        return non_editable_fields
+
 
 class CapaMixin(CapaFields):
     """

common/lib/xmodule/xmodule/discussion_module.py

@@ -41,6 +41,12 @@ class DiscussionFields(object):
     )
     sort_key = String(scope=Scope.settings)
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(DiscussionFields, self).non_editable_metadata_fields
+        non_editable_fields.append(DiscussionFields.data)
+        return non_editable_fields
+
 
 class DiscussionModule(DiscussionFields, XModule):
     js = {

common/lib/xmodule/xmodule/html_module.py

@@ -54,6 +54,12 @@ class HtmlFields(object):
         scope=Scope.settings
     )
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(HtmlFields, self).non_editable_metadata_fields
+        non_editable_fields.append(HtmlFields.data)
+        return non_editable_fields
+
 
 class HtmlModuleMixin(HtmlFields, XModule):
     """
@@ -299,6 +305,12 @@ class AboutFields(object):
         scope=Scope.content
     )
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(AboutFields, self).non_editable_metadata_fields
+        non_editable_fields.append(AboutFields.data)
+        return non_editable_fields
+
 
 @XBlock.tag("detached")
 class AboutModule(AboutFields, HtmlModuleMixin):
@@ -336,6 +348,12 @@ class StaticTabFields(object):
         help=_("HTML for the additional pages")
     )
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(StaticTabFields, self).non_editable_metadata_fields
+        non_editable_fields.append(StaticTabFields.data)
+        return non_editable_fields
+
 
 @XBlock.tag("detached")
 class StaticTabModule(StaticTabFields, HtmlModuleMixin):
@@ -370,6 +388,12 @@ class CourseInfoFields(object):
         scope=Scope.content
     )
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(CourseInfoFields, self).non_editable_metadata_fields
+        non_editable_fields.append(CourseInfoFields.data)
+        return non_editable_fields
+
 
 @XBlock.tag("detached")
 class CourseInfoModule(CourseInfoFields, HtmlModuleMixin):

common/lib/xmodule/xmodule/raw_module.py

@@ -15,6 +15,12 @@ class RawDescriptor(XmlDescriptor, XMLEditingDescriptor):
     """
     data = String(help="XML data for the module", default="", scope=Scope.content)
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(RawDescriptor, self).non_editable_metadata_fields
+        non_editable_fields.append(RawDescriptor.data)
+        return non_editable_fields
+
     @classmethod
     def definition_from_xml(cls, xml_object, system):
         return {'data': etree.tostring(xml_object, pretty_print=True, encoding='unicode')}, []
@@ -44,6 +50,12 @@ class EmptyDataRawDescriptor(XmlDescriptor, XMLEditingDescriptor):
     """
     data = String(default='', scope=Scope.content)
 
+    @property
+    def non_editable_metadata_fields(self):
+        non_editable_fields = super(EmptyDataRawDescriptor, self).non_editable_metadata_fields
+        non_editable_fields.append(EmptyDataRawDescriptor.data)
+        return non_editable_fields
+
     @classmethod
     def definition_from_xml(cls, xml_object, system):
         if len(xml_object) == 0 and len(xml_object.items()) == 0:

common/lib/xmodule/xmodule/x_module.py

@@ -620,8 +620,9 @@ class XModuleMixin(XModuleFields, XBlockMixin):
         fields = getattr(self, 'unmixed_class', self.__class__).fields
 
         for field in fields.values():
-
-            if field.scope != Scope.settings or field in self.non_editable_metadata_fields:
+            if field in self.non_editable_metadata_fields:
+                continue
+            if field.scope not in (Scope.settings, Scope.content):
                 continue
 
             metadata_fields[field.name] = self._create_metadata_editor_info(field)