les paramètres de récurrence ne sont affichés que s'ils existent

Cf #224

src/agenda_culturel/forms.py

@@ -254,7 +254,14 @@ class EventForm(GroupFormMixin, ModelForm):
         self.fields['end_day'].group_id = 'end'
         self.fields['end_time'].group_id = 'end'
 
-        self.add_group('recurrences', _('This is a recurring event'), maskable=True, default_masked=True)
+        self.add_group('recurrences', 
+            _('This is a recurring event'), 
+            maskable=True, 
+            default_masked=not (self.instance and 
+            self.instance.recurrences and
+            self.instance.recurrences.rrules and
+            len(self.instance.recurrences.rrules) > 0))
+
         self.fields['recurrences'].group_id = 'recurrences'
 
         self.add_group('details', _('Details'))

src/agenda_culturel/templates/agenda_culturel/forms/div_group.html

@@ -6,7 +6,13 @@
 {% for group, fields in form.fields_by_group %}
   <div {% if group.maskable %}class="maskable_group"{% endif %} id="group_{{ group.id }}">
     {% if group.maskable %}
-    <input class="toggle_body" type="checkbox" id="maskable_group_{{ group.id }}" name="group_{{ group.id }}"><label for="maskable_group_{{ group.id }}">{{ group.label }}</label>
+    <input
+      class="toggle_body" 
+      type="checkbox" 
+      id="maskable_group_{{ group.id }}" 
+      name="group_{{ group.id }}"
+      {% if not group.default_masked %}checked{% endif %}
+      ><label for="maskable_group_{{ group.id }}">{{ group.label }}</label>
     {% endif %}
     <div class="error_group">
       {% for field in fields %}
@@ -36,7 +42,9 @@
 <script>
   const maskables = document.querySelectorAll('.maskable_group');
   maskables.forEach(function (item) {
-    item.querySelector('.body_group').classList.add('closed');
+    if (!item.checked) {
+      item.querySelector('.body_group').classList.add('closed');
+    }
     console.log('item ' + item);
 
     item.querySelector('.toggle_body').addEventListener('change', (event) => {