Measurement index/form running

app/helpers/measurements_helper.rb

@@ -1,2 +1,19 @@
 module MeasurementsHelper
+  def quantity_options
+    nested_set_options(@project.quantities.measurement) do |q|
+      raw("#{' ' * q.level}#{q.name}")
+    end
+  end
+
+  def unit_options
+    @project.units.map do |u|
+      [u.shortname, u.id]
+    end
+  end
+
+  def source_options
+    @project.sources.map do |s|
+      [s.name, s.id]
+    end
+  end
 end