# redMine - project management software
# Copyright (C) 2006  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.

class CustomField < ActiveRecord::Base
  has_many :custom_values, :dependent => true

  FIELD_FORMATS = { "list" => :label_list,                    
			        "date" => :label_date,
			        "bool" => :label_boolean,
			        "int" => :label_integer,
			        "string" => :label_string,
			        "text" => :label_text
  }.freeze

  validates_presence_of :name, :field_format
  validates_uniqueness_of :name
  validates_inclusion_of :field_format, :in => FIELD_FORMATS.keys
  validates_presence_of :possible_values, :if => Proc.new { |field| field.field_format == "list" }

  # to move in project_custom_field
  def self.for_all
    find(:all, :conditions => ["is_for_all=?", true])
  end
  
  def type_name
    nil
  end
end