[#2281] Created a rough settings form for mapping the billable custom value.

app/views/settings/_overhead_settings.html.erb

@@ -0,0 +1,22 @@
+<% activity_fields = TimeEntryActivityCustomField.find :all %>
+
+<fieldset>
+
+<p>
+  <label><%= l(:overhead_field_billing_status) %></label>
+  <%= select_tag('setting[custom_field]',
+                 '<option value="">(Select one)</option>' +
+                 options_from_collection_for_select(activity_fields, :id, :name, @settings['custom_field'].to_i)) %>
+</p>
+
+<p>
+  <label><%= l(:overhead_field_billable_value) %></label>
+  TODO
+</p>
+
+<p>
+  <label><%= l(:overhead_field_overhead_value) %></label>
+  TODO
+</p>
+
+</fieldset>

config/locales/en.yml

@@ -0,0 +1,4 @@
+en:
+  overhead_field_billing_status: Billing Status
+  overhead_field_billable_value: Billable Value
+  overhead_field_overhead_value: Overhead Value

init.rb

@@ -10,4 +10,11 @@ Redmine::Plugin.register :redmine_overhead do
 
   requires_redmine :version_or_higher => '0.8.0'
 
+
+  settings :default => {
+    'custom_field' => nil,
+    'billable_value' => nil,
+    'overhead_value' => nil
+  }, :partial => 'settings/overhead_settings'
+
 end