# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
class CustomField < ActiveRecord::Base
+ include Redmine::SubclassFactory
+
has_many :custom_values, :dependent => :delete_all
acts_as_list :scope => 'type = \'#{self.class}\''
serialize :possible_values
find(:all, :conditions => ["is_for_all=?", true], :order => 'position')
end
- # Returns an instance of the given subclass name
- def self.new_subclass_instance(class_name, *args)
- klass = nil
- begin
- klass = class_name.to_s.classify.constantize
- rescue
- # invalid class name
- end
- unless subclasses.include? klass
- klass = nil
- end
- if klass
- klass.new(*args)
- end
- end
-
def type_name
nil
end
--- /dev/null
+# Redmine - project management software
+# Copyright (C) 2006-2011 Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+module Redmine
+ module SubclassFactory
+ def self.included(base)
+ base.extend ClassMethods
+ end
+
+ module ClassMethods
+ # Returns an instance of the given subclass name
+ def new_subclass_instance(class_name, *args)
+ klass = nil
+ begin
+ klass = class_name.to_s.classify.constantize
+ rescue
+ # invalid class name
+ end
+ unless subclasses.include? klass
+ klass = nil
+ end
+ if klass
+ klass.new(*args)
+ end
+ end
+ end
+ end
+end