extra args propagated further to search ...

flask_admin/model/base.py

@@ -1980,6 +1980,9 @@ class BaseModelView(BaseView, ActionsMixin):
             get_pk_value=self.get_pk_value,
             get_value=self.get_list_value,
             return_url=self._get_list_url(view_args),
+
+            # Extras
+            extra_args=view_args.extra_args,
         )
 
     @expose('/new/', methods=('GET', 'POST'))

flask_admin/templates/bootstrap2/admin/model/layout.html

@@ -63,6 +63,9 @@
     {% for flt_name, flt_value in filter_args.items() %}
     <input type="hidden" name="{{ flt_name }}" value="{{ flt_value }}">
     {% endfor %}
+    {% for flt_name, flt_value in extra_args.items() %}
+    <input type="hidden" name="{{ flt_name }}" value="{{ flt_value }}">
+    {% endfor %}
     {% if page_size != default_page_size %}
     <input type="hidden" name="page_size" value="{{ page_size }}">
     {% endif %}

flask_admin/templates/bootstrap3/admin/model/layout.html

@@ -63,6 +63,9 @@
     {% for flt_name, flt_value in filter_args.items() %}
     <input type="hidden" name="{{ flt_name }}" value="{{ flt_value }}">
     {% endfor %}
+    {% for flt_name, flt_value in extra_args.items() %}
+    <input type="hidden" name="{{ flt_name }}" value="{{ flt_value }}">
+    {% endfor %}
     {% if page_size != default_page_size %}
     <input type="hidden" name="page_size" value="{{ page_size }}">
     {% endif %}