1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
# 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 Enumeration < ActiveRecord::Base
default_scope :order => "#{Enumeration.table_name}.position ASC"
belongs_to :project
acts_as_list :scope => 'type = \'#{type}\''
acts_as_customizable
acts_as_tree :order => 'position ASC'
before_destroy :check_integrity
validates_presence_of :name
validates_uniqueness_of :name, :scope => [:type, :project_id]
validates_length_of :name, :maximum => 30
named_scope :shared, :conditions => { :project_id => nil }
named_scope :active, :conditions => { :active => true }
def self.default
# Creates a fake default scope so Enumeration.default will check
# it's type. STI subclasses will automatically add their own
# types to the finder.
if self.descends_from_active_record?
find(:first, :conditions => { :is_default => true, :type => 'Enumeration' })
else
# STI classes are
find(:first, :conditions => { :is_default => true })
end
end
# Overloaded on concrete classes
def option_name
nil
end
def before_save
if is_default? && is_default_changed?
Enumeration.update_all("is_default = #{connection.quoted_false}", {:type => type})
end
end
# Overloaded on concrete classes
def objects_count
0
end
def in_use?
self.objects_count != 0
end
# Is this enumeration overiding a system level enumeration?
def is_override?
!self.parent.nil?
end
alias :destroy_without_reassign :destroy
# Destroy the enumeration
# If a enumeration is specified, objects are reassigned
def destroy(reassign_to = nil)
if reassign_to && reassign_to.is_a?(Enumeration)
self.transfer_relations(reassign_to)
end
destroy_without_reassign
end
def <=>(enumeration)
position <=> enumeration.position
end
def to_s; name end
# Returns the Subclasses of Enumeration. Each Subclass needs to be
# required in development mode.
#
# Note: subclasses is protected in ActiveRecord
def self.get_subclasses
@@subclasses[Enumeration]
end
# Does the +new+ Hash override the previous Enumeration?
def self.overridding_change?(new, previous)
if (same_active_state?(new['active'], previous.active)) && same_custom_values?(new,previous)
return false
else
return true
end
end
# Does the +new+ Hash have the same custom values as the previous Enumeration?
def self.same_custom_values?(new, previous)
previous.custom_field_values.each do |custom_value|
if custom_value.value != new["custom_field_values"][custom_value.custom_field_id.to_s]
return false
end
end
return true
end
# Are the new and previous fields equal?
def self.same_active_state?(new, previous)
new = (new == "1" ? true : false)
return new == previous
end
private
def check_integrity
raise "Can't delete enumeration" if self.in_use?
end
end
# Force load the subclasses in development mode
require_dependency 'time_entry_activity'
require_dependency 'document_category'
require_dependency 'issue_priority'
|
