Fix #9 Registrations: Add support for non members

dav_registration/templates/dav_registration/emails/inform_self.txt

@@ -22,7 +22,7 @@ Personendaten
 {{ registration.postal_code }} {{ registration.city }}
 Telefon: {{ registration.phone_number }}
 E-Mail: {{ registration.email_address }}
-DAV Mitgliedsnummer: {{ registration.dav_number }}
+{% if registration.dav_member %}DAV Mitgliedsnummer: {{ registration.dav_number }}{% else %}DAV Mitglied: Nein{% endif %}
 
 Notfall-Kontakt
 ---------------

dav_registration/templates/dav_registration/emails/inform_trainer.txt

@@ -11,7 +11,7 @@ Teilnehmer*in:
 {{ registration.address }}, {{ registration.postal_code }} {{ registration.city }}
 {{ registration.phone_number }}
 {{ registration.email_address }}
-{{ registration.dav_number }}
+{% if registration.dav_member %}{{ registration.dav_number }}{% else %}Nicht DAV Mitglied{% endif %}
 
 Notfall-Kontakt:
 {% if registration.emergency_contact %}{{ registration.emergency_contact }}{% else %}-{% endif %}

dav_registration/templates/dav_registration/registration_form.html

@@ -4,6 +4,40 @@
 
 {% block head-title %}{% block form-title %}{% trans 'Anmeldung' %} - {{ event.number }}{% endblock form-title %} - {{ block.super }}{% endblock head-title %}
 
+{% block head-additional %}
+<script type="text/javascript">
+    function init_not_dav_member_handler() {
+        var e_orig = $("#id_dav_member");
+        initial_str = e_orig.val();
+        initial_bool = (initial_str == 'True')
+
+        var e_inverted = $("#id_not_dav_member");
+        if(e_inverted != null) {
+            e_inverted.prop("checked", !initial_bool);
+            e_inverted.change(function(){ not_dav_member_handler(); });
+        }
+    }
+
+    function not_dav_member_handler() {
+        var e = $("#id_not_dav_member");
+        if(e != null)
+            checked = e.prop("checked");
+        else
+            checked = true;
+
+        $("#id_dav_number").prop("disabled", checked);
+        $("#id_dav_member").val(!checked);
+        if(checked) {
+            $("#id_dav_number").val("");
+        }
+    }
+
+    $(document).ready(function(){
+        init_not_dav_member_handler();
+    });
+</script>
+{% endblock head-additional %}
+
 {% block page-container-fluid %}
 <h3 class="top-most">{% trans 'Anmeldung' %}</h3>
 <form>
@@ -56,9 +90,12 @@
         </div>
     </div>
     <div class="row">
-        <div class="col-sm-6">
+        <div class="col-sm-3">
             {% bootstrap_field form.dav_number %}
         </div>
+        <div class="col-sm-3">
+            {% bootstrap_field form.not_dav_member %}
+        </div>
         <div class="col-sm-6">
             {% bootstrap_field form.emergency_contact %}
         </div>