From 71ff06e3ca2938b82171a3f429ff494e83361fee Mon Sep 17 00:00:00 2001
From: Josha von Gizycki <josha.von.gizycki@triology.de>
Date: Wed, 16 Jan 2019 16:21:36 +0100
Subject: [PATCH] hide properties if none exist

---
 src/wanijo/instance/view.clj | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/src/wanijo/instance/view.clj b/src/wanijo/instance/view.clj
index abc040c..2a488e3 100644
--- a/src/wanijo/instance/view.clj
+++ b/src/wanijo/instance/view.clj
@@ -48,18 +48,20 @@
      [:small (h (:name instance))]]
     [:p [:small [:a {:href (path :instance-edit-form instance)}
                  "Edit Instance"]]]
-    [:h2 "Properties"]
-    (for [prop (:properties instance)
-          :let [attr (:attribute prop)
-                type (:type attr)
-                render-fn (case type
-                            "date" #(str (prettify-dt %))
-                            "markdown" md/md-to-html-string
-                            :else #(str "<p>" % "</p>"))]]
-      (list [:h3 (h (:name attr))]
-            [:div {:class (str "instance-content "
-                               "attr-type-" type)}
-             (render-fn (:value prop))]))
+    (when-not (empty? (:properties instance))
+      [:section.properties
+       [:h2 "Properties"]
+       (for [prop (:properties instance)
+             :let [attr (:attribute prop)
+                   type (:type attr)
+                   render-fn (case type
+                               "date" #(str (prettify-dt %))
+                               "markdown" md/md-to-html-string
+                               :else #(str "<p>" % "</p>"))]]
+         (list [:h3 (h (:name attr))]
+               [:div {:class (str "instance-content "
+                                  "attr-type-" type)}
+                (render-fn (:value prop))]))])
     (when-not (empty? (:links-out instance))
       [:section.links
        [:h2 "Outgoing Links"]