add support for None selection to default tracker

Author: nobnisai

app/views/gtt_smash/_settings.html.erb

@@ -1,38 +1,26 @@
 <div class="box tabular settings">
+  <%
+    @options = ["None"]
+    Tracker.all.sort.each do |t|
+      @options.push([t.name,t.id])
+    end
+  %>
   <h3><%= l(:setting_message) %></h3>
 
   <p>
     <%= content_tag(:label, l(:field_tracker_simple_note)) %>
-    <%
-      @options = []
-      Tracker.all.sort.each do |t|
-        @options.push([t.name,t.id])
-      end
-    %>
     <%= select_tag "settings[tracker_simple_notes]",
       options_for_select(@options, @settings['tracker_simple_notes']) %>
   </p>
 
   <p>
     <%= content_tag(:label, l(:field_tracker_photo_note)) %>
-    <%
-      @options = []
-      Tracker.all.sort.each do |t|
-        @options.push([t.name,t.id])
-      end
-    %>
     <%= select_tag "settings[tracker_photo_notes]",
       options_for_select(@options, @settings['tracker_photo_notes']) %>
   </p>
 
   <p>
     <%= content_tag(:label, l(:field_tracker_gps_log)) %>
-    <%
-      @options = []
-      Tracker.all.sort.each do |t|
-        @options.push([t.name,t.id])
-      end
-    %>
     <%= select_tag "settings[tracker_gps_logs]",
       options_for_select(@options, @settings['tracker_gps_logs']) %>
   </p>

init.rb

@@ -12,9 +12,9 @@
 
   settings(
     default: {
-      'tracker_simple_notes' => 0,
-      'tracker_photo_notes' => 0,
-      'tracker_gps_logs' => 1,
+      'tracker_simple_notes' => "",
+      'tracker_photo_notes' => "",
+      'tracker_gps_logs' => "",
       'default_subject' => ""
     },
     partial: 'gtt_smash/settings'