Added Unit types

app/helpers/units_helper.rb

@@ -1,2 +1,6 @@
 module UnitsHelper
+  def type_options
+    translations = t('.types')
+    Unit.types.map { |k,v| [translations[k.to_sym], k] }
+  end
 end

app/models/unit.rb

@@ -1,2 +1,24 @@
 class Unit < ActiveRecord::Base
+  # https://en.wikipedia.org/wiki/International_System_of_Units
+  enum type: {
+    number: 0,
+    share: 1,
+
+    length: 10,
+    mass: 11,
+    time: 12,
+    temperature: 13,
+
+    volume: 20,
+    density: 21,
+    ndensity: 22,
+
+    frequency: 30,
+    velocity: 31,
+    flow: 32,
+
+    energy: 30,
+
+    pressure: 40
+  }
 end

app/views/units/_form.html.erb

@@ -1,7 +1,13 @@
 <%= error_messages_for @unit %>
 
 <div class="box tabular">
-  <p><%= f.text_field :name, :required => true, :size => 40 %></p>
-  <p><%= f.text_field :shortname, :required => true, :size => 10 %></p>
-  <p><%#= f.select :summary, :cols => 60, :rows => 2 %></p>
+  <div class="splitcontent">
+    <div class="splitcontentleft">
+      <p><%= f.text_field :shortname, required: true, size: 10 %></p>
+    </div>
+    <div class="splitcontentright">
+      <p><%= f.select :type, type_options, required: true %></p>
+    </div>
+  </div>
+  <p><%= f.text_field :name, required: true, size: 40 %></p>
 </div>

app/views/units/index.html.erb

@@ -4,8 +4,7 @@
 
 <div class="contextual">
   <% if @project && User.current.allowed_to?(:manage_units, @project) %>
-    <%= link_to t(".heading_new_unit"), new_project_unit_path(@project),
-      :class => 'icon icon-add',
+    <%= link_to t(".heading_new_unit"), '#', :class => 'icon icon-add',
       :onclick => 'showAndScrollTo("add-unit", "unit_name"); return false;' %>
   <% end %>
 </div>

config/locales/en.yml

@@ -14,3 +14,19 @@ en:
     index:
       heading: 'Units'
       heading_new_unit: 'New unit'
+    form:
+      types:
+        number: 'count'
+        share: 'share'
+        length: 'length'
+        mass: 'mass'
+        time: 'time'
+        temperature: 'temperature'
+        volume: 'volume'
+        density: 'density'
+        ndensity: 'number density'
+        frequency: 'frequency'
+        velocity: 'velocity'
+        flow: 'flow rate'
+        energy: 'energy'
+        pressure: 'pressure'

db/migrate/001_create_units.rb

@@ -1,7 +1,7 @@
 class CreateUnits < ActiveRecord::Migration
   def change
     create_table :units do |t|
-      t.references :project_id
+      t.references :project
       t.string :name
       t.string :shortname
       t.integer :type