Scheduler: Show room name instead of id in modal for direct slot creation

This implements #241

AKScheduling/forms.py

@@ -24,7 +24,8 @@ class AKAddSlotForm(forms.Form):
     start = forms.CharField(label=_("Start"), disabled=True)
     end = forms.CharField(label=_("End"), disabled=True)
     duration = forms.CharField(label=_("Duration"), disabled=True)
-    room = forms.IntegerField(label=_("Room"), disabled=True)
+    room = forms.IntegerField(label=_("Room"), disabled=True, widget=forms.HiddenInput())
+    room_name = forms.CharField(label=_("Room"), disabled=True)
 
     def __init__(self, event):
         super().__init__()

AKScheduling/templates/admin/AKScheduling/scheduling.html

@@ -157,6 +157,7 @@
                     $('#id_start').val(info.startStr);
                     $('#id_end').val(info.endStr);
                     $('#id_room').val(info.resource._resource.id);
+                    $('#id_room_name').val(info.resource._resource.title);
                     $('#id_duration').val(Math.abs(info.end-info.start)/1000/60/60);
                     $('#id_ak').val("");
                     $('#newAKSlotModal').modal('show');