From 7e7ba291f20981af58c9c67aa339bcd20ae7f95f Mon Sep 17 00:00:00 2001
From: Felix Hamann <felix.hamann@campus.lmu.de>
Date: Tue, 23 Apr 2019 13:38:08 +0200
Subject: [PATCH] wrap recipient form categories in wrapper and only show when
 necessary

---
 .../communication/recipientLayout.hamlet      | 24 ++++++++++---------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/templates/widgets/communication/recipientLayout.hamlet b/templates/widgets/communication/recipientLayout.hamlet
index c52ff534d..f3f759de1 100644
--- a/templates/widgets/communication/recipientLayout.hamlet
+++ b/templates/widgets/communication/recipientLayout.hamlet
@@ -1,14 +1,16 @@
 $newline never
-$forall category <- activeCategories
-  <div .recipient-category>
-    <input type=checkbox id=#{checkedIdent category} :elem category checkedCategories:checked>
-    <label .recipient-category__label for=#{checkedIdent category}>
-      _{category}
+$if not (null activeCategories)
+  <div .recipient-categories>
+    $forall category <- activeCategories
+      <div .recipient-category>
+        <input type=checkbox id=#{checkedIdent category} :elem category checkedCategories:checked>
+        <label .recipient-category__label for=#{checkedIdent category}>
+          _{category}
 
-    $if hasContent category
-      <fieldset .recipient-category__fieldset uw-interactive-fieldset .interactive-fieldset__target data-conditional-input=#{checkedIdent category}>
-        $forall optIx <- categoryIndices category
-          ^{cellWdgts ! optIx}
+        $if hasContent category
+          <fieldset .recipient-category__fieldset uw-interactive-fieldset .interactive-fieldset__target data-conditional-input=#{checkedIdent category}>
+            $forall optIx <- categoryIndices category
+              ^{cellWdgts ! optIx}
 
-        $maybe addWdgt <- addWdgts !? (1, (EnumPosition category, 0))
-          ^{addWdgt}
+            $maybe addWdgt <- addWdgts !? (1, (EnumPosition category, 0))
+              ^{addWdgt}