Improve slot editing

Fix placement of form to allow submit button to work again.
Display information about slot on the edit popup.

pinaxcon/templates/symposion/schedule/_slot_edit.html

@@ -1,4 +1,5 @@
 {% load i18n bootstrap %}
+<form class="form-horizontal" id="slotEditForm" class="modal-form" method="POST" action="{% url "schedule_slot_edit" slug slot.pk %}">
   <div class="modal-dialog modal-dialog-centered" role="document">
     <div class="modal-content">
       <div class="modal-header">
@@ -9,10 +10,20 @@
       </div>
 
       <div class="modal-body">
-      <form class="form-horizontal" id="slotEditForm" class="modal-form" method="POST" action="{% url "schedule_slot_edit" slug slot.pk %}">
         {% csrf_token %}
+        <div class="mb-3">
+          <h5>Slot Details</h5>
+          <ul>
+            <li>Name: {{ slot.name }}</li>
+            <li>Kind: {{ slot.kind.label }}</li>
+            <li>Date: {{ slot.day.date }}</li>
+            <li>Start: {{ slot.start }}</li>
+            <li>End: {{ slot.end }}</li>
+            <li>Room(s): {{ slot.rooms|join:", " }}</li>
+          </ul>
+        </div>
+
         {{ form|bootstrap }}
-      </form>
       </div>
 
       <div class="modal-footer">
@@ -20,3 +31,4 @@
         <button type="submit" class="btn btn-primary">Save changes</button>
       </div>
   </div>
+</form>

vendor/symposion/schedule/forms.py

@@ -46,6 +46,7 @@ class SlotEditForm(forms.Form):
             "label": "Content",
             "required": False,
             "initial": self.slot.content_override,
+            "widget": forms.Textarea,
         }
         return forms.CharField(**kwargs)