added ability to specify not required parameter for action link. Fixe…

arctic/mixins.py

@@ -681,6 +681,7 @@ def _get_field_actions(self, obj):
                             )
                         ),
                         "modal": self.get_modal_link(field_action["url"], obj),
+                        'attributes': field_action["attributes"]
                     }
                 )
             return actions
@@ -710,9 +711,19 @@ def get_action_links(self):
 
         return self._allowed_action_links
 
+    def _get_custom_attributes(self, action_link):
+        attributes = None
+        if len(action_link) == 4:
+            attributes = action_link[3]
+        # take into account that 3 parameter can be string icon class
+        elif len(action_link) == 3 and isinstance(action_link[2], dict):
+            attributes = action_link[2]
+        return attributes
+
     def _build_action_link(self, action_link):
-        icon = action_link[2] if len(action_link) == 3 else None
-        return {"label": action_link[0], "url": action_link[1], "icon": icon}
+        icon = action_link[2] if len(action_link) >= 3 and isinstance(action_link[2], str) else None
+        return {"label": action_link[0], "url": action_link[1],
+                "icon": icon, "attributes": self._get_custom_attributes(action_link)}
 
     def get_tool_links(self):
         if not self.tool_links:

arctic/templates/arctic/partials/base_data_table.html

@@ -139,8 +139,13 @@ <h4 class="arctic-card__title">
                                             {% block list_actions %}
                                             <div class="list-actions">
                                                 {% for action in row.actions %}
-                                                    <a href="{{ action.url }}" class="action-{{ action.label }} btn btn-secondary btn-sm show-on-hover" title="{{ link.label|capfirst }}"
+                                                    <a href="{{ action.url }}" class="action-{{ action.label }} btn btn-secondary btn-sm show-on-hover" title="{{ action.label|capfirst }}"
                                                     {% include 'arctic/partials/modal_attributes.html' with modal=action.modal %}
+                                                    {% if action.attributes %}
+                                                        {% for attr_name, attr_value in action.attributes.items %}
+                                                            {{ attr_name }}="{{ attr_value }}"
+                                                        {% endfor %}
+                                                    {% endif %}
                                                     >
                                                     {% if action.icon %}
                                                         <i class="fa {{ action.icon }} fa-lg"></i>

docs/reference.md

@@ -316,6 +316,8 @@ standard notation by prepending a minus to the field, for example `-name`.
 optional list of `('name', 'base_url', 'optional icon class')` links, that
 appear on the last column of the table and can apply a certain action, such
 as delete.
+In case if some custom attributes required, they can be specified as last argument in form of dict.
+`('name', 'base_url', 'optional icon class', {'custom_attr_name': 'custom_attr_value'})`
 
 ### `get_field_actions(row)`