annotate app/models/.svn/text-base/enumeration.rb.svn-base @ 904:0a8317a50fa0 redmine-1.1

Close obsolete branch redmine-1.1
author Chris Cannam
date Fri, 14 Jan 2011 12:53:21 +0000
parents 513646585e45
children 0c939c159af4
rev   line source
Chris@0 1 # redMine - project management software
Chris@0 2 # Copyright (C) 2006 Jean-Philippe Lang
Chris@0 3 #
Chris@0 4 # This program is free software; you can redistribute it and/or
Chris@0 5 # modify it under the terms of the GNU General Public License
Chris@0 6 # as published by the Free Software Foundation; either version 2
Chris@0 7 # of the License, or (at your option) any later version.
Chris@0 8 #
Chris@0 9 # This program is distributed in the hope that it will be useful,
Chris@0 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@0 12 # GNU General Public License for more details.
Chris@0 13 #
Chris@0 14 # You should have received a copy of the GNU General Public License
Chris@0 15 # along with this program; if not, write to the Free Software
Chris@0 16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Chris@0 17
Chris@0 18 class Enumeration < ActiveRecord::Base
Chris@0 19 default_scope :order => "#{Enumeration.table_name}.position ASC"
Chris@0 20
Chris@0 21 belongs_to :project
Chris@0 22
Chris@0 23 acts_as_list :scope => 'type = \'#{type}\''
Chris@0 24 acts_as_customizable
Chris@0 25 acts_as_tree :order => 'position ASC'
Chris@0 26
Chris@0 27 before_destroy :check_integrity
Chris@0 28
Chris@0 29 validates_presence_of :name
Chris@0 30 validates_uniqueness_of :name, :scope => [:type, :project_id]
Chris@0 31 validates_length_of :name, :maximum => 30
Chris@0 32
Chris@0 33 named_scope :shared, :conditions => { :project_id => nil }
Chris@0 34 named_scope :active, :conditions => { :active => true }
Chris@0 35
Chris@0 36 def self.default
Chris@0 37 # Creates a fake default scope so Enumeration.default will check
Chris@0 38 # it's type. STI subclasses will automatically add their own
Chris@0 39 # types to the finder.
Chris@0 40 if self.descends_from_active_record?
Chris@0 41 find(:first, :conditions => { :is_default => true, :type => 'Enumeration' })
Chris@0 42 else
Chris@0 43 # STI classes are
Chris@0 44 find(:first, :conditions => { :is_default => true })
Chris@0 45 end
Chris@0 46 end
Chris@0 47
Chris@0 48 # Overloaded on concrete classes
Chris@0 49 def option_name
Chris@0 50 nil
Chris@0 51 end
Chris@0 52
Chris@0 53 def before_save
Chris@0 54 if is_default? && is_default_changed?
Chris@0 55 Enumeration.update_all("is_default = #{connection.quoted_false}", {:type => type})
Chris@0 56 end
Chris@0 57 end
Chris@0 58
Chris@0 59 # Overloaded on concrete classes
Chris@0 60 def objects_count
Chris@0 61 0
Chris@0 62 end
Chris@0 63
Chris@0 64 def in_use?
Chris@0 65 self.objects_count != 0
Chris@0 66 end
Chris@0 67
Chris@0 68 # Is this enumeration overiding a system level enumeration?
Chris@0 69 def is_override?
Chris@0 70 !self.parent.nil?
Chris@0 71 end
Chris@0 72
Chris@0 73 alias :destroy_without_reassign :destroy
Chris@0 74
Chris@0 75 # Destroy the enumeration
Chris@0 76 # If a enumeration is specified, objects are reassigned
Chris@0 77 def destroy(reassign_to = nil)
Chris@0 78 if reassign_to && reassign_to.is_a?(Enumeration)
Chris@0 79 self.transfer_relations(reassign_to)
Chris@0 80 end
Chris@0 81 destroy_without_reassign
Chris@0 82 end
Chris@0 83
Chris@0 84 def <=>(enumeration)
Chris@0 85 position <=> enumeration.position
Chris@0 86 end
Chris@0 87
Chris@0 88 def to_s; name end
Chris@0 89
Chris@0 90 # Returns the Subclasses of Enumeration. Each Subclass needs to be
Chris@0 91 # required in development mode.
Chris@0 92 #
Chris@0 93 # Note: subclasses is protected in ActiveRecord
Chris@0 94 def self.get_subclasses
Chris@0 95 @@subclasses[Enumeration]
Chris@0 96 end
Chris@0 97
Chris@0 98 # Does the +new+ Hash override the previous Enumeration?
Chris@0 99 def self.overridding_change?(new, previous)
Chris@0 100 if (same_active_state?(new['active'], previous.active)) && same_custom_values?(new,previous)
Chris@0 101 return false
Chris@0 102 else
Chris@0 103 return true
Chris@0 104 end
Chris@0 105 end
Chris@0 106
Chris@0 107 # Does the +new+ Hash have the same custom values as the previous Enumeration?
Chris@0 108 def self.same_custom_values?(new, previous)
Chris@0 109 previous.custom_field_values.each do |custom_value|
Chris@0 110 if custom_value.value != new["custom_field_values"][custom_value.custom_field_id.to_s]
Chris@0 111 return false
Chris@0 112 end
Chris@0 113 end
Chris@0 114
Chris@0 115 return true
Chris@0 116 end
Chris@0 117
Chris@0 118 # Are the new and previous fields equal?
Chris@0 119 def self.same_active_state?(new, previous)
Chris@0 120 new = (new == "1" ? true : false)
Chris@0 121 return new == previous
Chris@0 122 end
Chris@0 123
Chris@0 124 private
Chris@0 125 def check_integrity
Chris@0 126 raise "Can't delete enumeration" if self.in_use?
Chris@0 127 end
Chris@0 128
Chris@0 129 end
Chris@0 130
Chris@0 131 # Force load the subclasses in development mode
Chris@0 132 require_dependency 'time_entry_activity'
Chris@0 133 require_dependency 'document_category'
Chris@0 134 require_dependency 'issue_priority'