[california/wip/732930-explain] Display recurring explanation when viewing an event

[Jim Nelson <jnelson src gnome org>]

commit a3b700ec6a3813dc17fbd6e58f62f81f37d59c65
Author: Jim Nelson <jim yorba org>
Date:   Fri Sep 5 12:50:06 2014 -0700

    Display recurring explanation when viewing an event

 src/host/host-show-event.vala |    9 +++++++++
 src/rc/show-event.ui          |   18 ++++++++++++++++++
 2 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/src/host/host-show-event.vala b/src/host/host-show-event.vala
index 5d40370..0bce204 100644
--- a/src/host/host-show-event.vala
+++ b/src/host/host-show-event.vala
@@ -55,6 +55,9 @@ public class ShowEvent : Gtk.Grid, Toolkit.Card {
     private Gtk.Label description_text;
     
     [GtkChild]
+    private Gtk.Label recurring_explanation_label;
+    
+    [GtkChild]
     private Gtk.Box rotating_button_box_container;
     
     private new Component.Event event;
@@ -153,6 +156,12 @@ public class ShowEvent : Gtk.Grid, Toolkit.Card {
         // description
         set_label(null, description_text, Markup.linkify(escape(event.description), linkify_delegate));
         
+        // recurring explanation (if appropriate)
+        string? explanation = (event.rrule != null) ? event.rrule.explain() : null;
+        recurring_explanation_label.label = explanation ?? "";
+        recurring_explanation_label.visible = !String.is_empty(explanation);
+        recurring_explanation_label.no_show_all = String.is_empty(explanation);
+        
         // if read-only, don't show Delete or Edit buttons; since they're the only two, don't show
         // the entire button box
         bool read_only = event.calendar_source != null && event.calendar_source.read_only;
diff --git a/src/rc/show-event.ui b/src/rc/show-event.ui
index 29dd4e8..f7a769d 100644
--- a/src/rc/show-event.ui
+++ b/src/rc/show-event.ui
@@ -199,6 +199,24 @@
       </object>
       <packing>
         <property name="left_attach">0</property>
+        <property name="top_attach">4</property>
+        <property name="width">1</property>
+        <property name="height">1</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkLabel" id="recurring_explanation_label">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="xalign">0</property>
+        <property name="label">(empty)</property>
+        <property name="wrap">True</property>
+        <attributes>
+          <attribute name="weight" value="bold"/>
+        </attributes>
+      </object>
+      <packing>
+        <property name="left_attach">0</property>
         <property name="top_attach">3</property>
         <property name="width">1</property>
         <property name="height">1</property>