Adds User and Version custom field format that can be used to reference a project member or version in custom fields (#2096).

These new field formats are available for project, issue, version and time entry custom fields.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5272 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine.rb

@@ -41,6 +41,8 @@ Redmine::CustomFieldFormat.map do |fields|
   fields.register Redmine::CustomFieldFormat.new('list', :label => :label_list, :order => 5)
   fields.register Redmine::CustomFieldFormat.new('date', :label => :label_date, :order => 6)
   fields.register Redmine::CustomFieldFormat.new('bool', :label => :label_boolean, :order => 7)
+  fields.register Redmine::CustomFieldFormat.new('user', :label => :label_user, :only => %w(Issue TimeEntry Version Project), :edit_as => 'list', :order => 8)
+  fields.register Redmine::CustomFieldFormat.new('version', :label => :label_version, :only => %w(Issue TimeEntry Version Project), :edit_as => 'list', :order => 9)
 end
 
 # Permissions

lib/redmine/custom_field_format.rb

@@ -22,12 +22,14 @@ module Redmine
     cattr_accessor :available
     @@available = {}
 
-    attr_accessor :name, :order, :label
+    attr_accessor :name, :order, :label, :edit_as, :class_names
 
     def initialize(name, options={})
       self.name = name
       self.label = options[:label]
       self.order = options[:order]
+      self.edit_as = options[:edit_as] || name
+      self.class_names = options[:only]
     end
 
     def format(value)
@@ -47,12 +49,11 @@ module Redmine
         return value
       }
     end
-
-    # Allow displaying the edit type of another field_format
-    #
-    # Example: display a custom field as a list
-    def edit_as
-      name
+    
+    ['user', 'version'].each do |name|
+      define_method("format_as_#{name}") {|value|
+        return value.blank? ? "" : name.classify.constantize.find_by_id(value.to_i).to_s
+      }
     end
 
     class << self
@@ -79,8 +80,10 @@ module Redmine
       end
 
       # Return an array of custom field formats which can be used in select_tag
-      def as_select
-        @@available.values.sort {|a,b|
+      def as_select(class_name=nil)
+        fields = @@available.values
+        fields = fields.select {|field| field.class_names.nil? || field.class_names.include?(class_name)}
+        fields.sort {|a,b|
           a.order <=> b.order
         }.collect {|custom_field_format|
           [ l(custom_field_format.label), custom_field_format.name ]