[views] Attempt to display inherited rule if there is no rule defined at some level

Closes extranet #14593198

cubicweb_seda/i18n/en.po

@@ -4756,6 +4756,9 @@ msgstr ""
 msgid "import_unit"
 msgstr ""
 
+msgid "inherited value"
+msgstr ""
+
 msgid "juridictional"
 msgstr ""
 

cubicweb_seda/i18n/fr.po

@@ -4775,6 +4775,9 @@ msgstr ""
 msgid "import_unit"
 msgstr "unité d'archive du référentiel"
 
+msgid "inherited value"
+msgstr "valeur héritée"
+
 msgid "juridictional"
 msgstr "juridication administrative"
 

cubicweb_seda/views/mgmt_rules.py

@@ -23,7 +23,7 @@ from logilab.mtconverter import xml_escape
 
 from cubicweb.predicates import is_instance
 from cubicweb.web import INTERNAL_FIELD_VALUE
-from cubicweb.web.views import uicfg
+from cubicweb.web.views import reledit, uicfg
 
 from ..entities import parent_and_container, rule_type_from_etype
 from . import viewlib
@@ -180,3 +180,18 @@ class ClassificationRuleComplexLinkEntityAttributeView(RuleComplexLinkEntityAttr
                 need_human = _('without human intervention')
             self.w(u'<div>{0}</div>'.format(xml_escape(need_human)))
         super(ClassificationRuleComplexLinkEntityAttributeView, self).entity_call(entity)
+
+
+class MgmtRuleAutoClickAndEditFormView(reledit.AutoClickAndEditFormView):
+    __select__ = (reledit.AutoClickAndEditFormView.__select__
+                  & is_instance('SEDASeqAltArchiveUnitArchiveUnitRefIdManagement'))
+
+    def _compute_default_value(self, rschema, role):
+        if rschema.type.endswith('_rule'):
+            rule_type = rschema.type[len('seda_'):-len('_rule')]
+            rule = self.entity.inherited_rule(rule_type)
+            if rule:
+                return rule.view('seda.reledit.text') + u'<p><mark>{}</mark></p>'.format(
+                    self._cw._(u'inherited value'))
+        return super(MgmtRuleAutoClickAndEditFormView, self)._compute_default_value(
+            rschema, role)