core/club: allow adding custom js action to pagination link, useful for FormDetailView with pagination

club/templates/club/club_sellings.jinja

@@ -3,7 +3,7 @@
 
 {% block content %}
 <h3>{% trans %}Sellings{% endtrans %}</h3>
-<form action="?page=1" method="post">
+<form id="form" action="?page=1" method="post">
     {% csrf_token %}
     {{ form }}
     <p><input type="submit" value="{% trans %}Show{% endtrans %}" /></p>
@@ -28,7 +28,7 @@
         </tr>
     </thead>
     <tbody>
-    {% for s in result %}
+    {% for s in paginated_result %}
         <tr>
             <td>{{ s.date|localtime|date(DATETIME_FORMAT) }} {{ s.date|localtime|time(DATETIME_FORMAT) }}</td>
             <td>{{ s.counter }}</td>
@@ -53,7 +53,14 @@
     {% endfor %}
     </tbody>
 </table>
-{{ paginate(result, paginator) }}
+<script type="text/javascript">
+    function formPagination(link){
+        $("form").attr("action", link.href);
+        link.href = "javascript:void(0)"; // block link action
+        $("form").submit();
+    }
+</script>
+{{ paginate(paginated_result, paginator, "formPagination(this)") }}
 {% endblock %}
 
 

club/views.py

@@ -354,6 +354,7 @@ class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailFormView):
         qs = Selling.objects.filter(club=self.object)
 
         kwargs["result"] = qs[:0]
+        kwargs["paginated_result"] = kwargs["result"]
         kwargs["total"] = 0
         kwargs["total_quantity"] = 0
         kwargs["benefit"] = 0
@@ -392,7 +393,7 @@ class ClubSellingView(ClubTabsMixin, CanEditMixin, DetailFormView):
 
         kwargs["paginator"] = Paginator(kwargs["result"], self.paginate_by)
         try:
-            kwargs["result"] = kwargs["paginator"].page(self.asked_page)
+            kwargs["paginated_result"] = kwargs["paginator"].page(self.asked_page)
         except InvalidPage:
             raise Http404
 

core/templates/core/macros.jinja

@@ -113,10 +113,11 @@
     {% endif %}
 {% endmacro %}
 
-{% macro paginate(page_obj, paginator) %}
+{% macro paginate(page_obj, paginator, js_action) %}
+    {% set js = js_action|default('') %}
     {% if page_obj.has_previous() or page_obj.has_next() %}
         {% if page_obj.has_previous() %}
-            <a href="?page={{ page_obj.previous_page_number() }}">{% trans %}Previous{% endtrans %}</a>
+            <a {% if js %} type="submit" onclick="{{ js }}" {% endif %} href="?page={{ page_obj.previous_page_number() }}">{% trans %}Previous{% endtrans %}</a>
         {% else %}
             <span class="disabled">{% trans %}Previous{% endtrans %}</span>
         {% endif %}
@@ -124,11 +125,11 @@
             {% if page_obj.number == i %}
                 <span class="active">{{ i }} <span class="sr-only">({% trans %}current{% endtrans %})</span></span>
             {% else %}
-                <a href="?page={{ i }}">{{ i }}</a>
+                <a {% if js %} type="submit" onclick="{{ js }}" {% endif %} href="?page={{ i }}">{{ i }}</a>
             {% endif %}
         {% endfor %}
         {% if page_obj.has_next() %}
-            <a href="?page={{ page_obj.next_page_number() }}">{% trans %}Next{% endtrans %}</a>
+            <a {% if js %} type="submit" onclick="{{ js }}" {% endif %} href="?page={{ page_obj.next_page_number() }}">{% trans %}Next{% endtrans %}</a>
         {% else %}
             <span class="disabled">{% trans %}Next{% endtrans %}</span>
         {% endif %}