Update widgets

scipost/templates/widgets/checkbox_as_btn.html

+{% with id=widget.attrs.id %}
+    {% for group, options, index in widget.optgroups %}
+        {% for option in options %}
+            {% include 'widgets/checkbox_option_as_btn.html' with widget=option %}
+        {% endfor %}
+    {% endfor %}
+{% endwith %}

scipost/templates/widgets/checkbox_option_as_btn.html

+
+{% include "django/forms/widgets/input.html" %}
+<label{% if widget.attrs.id %} class="btn btn-info" for="{{ widget.attrs.id }}"{% endif %}>
+{{ widget.label }}</label>

scipost/templatetags/extra_form_widgets.py

+from django import template
+
+from ..widgets import SelectButtonWidget
+
+
+register = template.Library()
+
+
+@register.filter
+def checkboxes_as_btn(field):
+    w = field.field.widget
+    return field.as_widget(SelectButtonWidget(attrs=w.attrs, choices=w.choices))

scipost/widgets.py

+from django.forms.widgets import CheckboxSelectMultiple
+
+
+class SelectButtonWidget(CheckboxSelectMultiple):
+    template_name = 'widgets/checkbox_as_btn.html'

templates/search/search.html

 {% extends 'scipost/base.html' %}
 
 {% load bootstrap %}
-{# {% load highlight %}#}
+{% load extra_form_widgets %}
 
 {% block pagetitle %}: list{% endblock pagetitle %}
 
@@ -22,13 +22,7 @@
                 <label>Type</label>
             </div>
             <div class="form-group checkboxes auto-submit">
-                {% for field in form.models %}
-                    <input type="checkbox" name="{{field.name}}" id="{{field.id_for_label}}" value="{{field.choice_value|stringformat:'s'}}" {% if field.choice_value in form.models.value %}checked="checked"{% endif %}>
-                    <label class="btn btn-info" for="{{field.id_for_label}}">
-                        {{field.choice_label}}
-                    </label>
-
-                {% endfor %}
+                {{form.models|checkboxes_as_btn}}
             </div>
 
             <label>Date from</label>