enumeration.rb
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RubyLexer
Jean-Philippe Lang
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r330 | # 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 | ||||
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Jean-Philippe Lang
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r2969 | default_scope :order => "#{Enumeration.table_name}.position ASC" | ||
Eric Davis
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r2833 | belongs_to :project | ||
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Eric Davis
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r2677 | acts_as_list :scope => 'type = \'#{type}\'' | ||
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r2831 | acts_as_customizable | ||
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r2833 | acts_as_tree :order => 'position ASC' | ||
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r789 | |||
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r330 | before_destroy :check_integrity | ||
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r2677 | validates_presence_of :name | ||
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r2835 | validates_uniqueness_of :name, :scope => [:type, :project_id] | ||
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r590 | validates_length_of :name, :maximum => 30 | ||
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r789 | |||
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r2969 | named_scope :shared, :conditions => { :project_id => nil } | ||
| named_scope :active, :conditions => { :active => true } | ||||
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r2832 | |||
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r2677 | 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 | ||||
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Jean-Philippe Lang
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r330 | def option_name | ||
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r2677 | nil | ||
| end | ||||
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r792 | |||
| def before_save | ||||
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r2121 | if is_default? && is_default_changed? | ||
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r2677 | Enumeration.update_all("is_default = #{connection.quoted_false}", {:type => type}) | ||
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r2121 | end | ||
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r792 | end | ||
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r789 | |||
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r2677 | # Overloaded on concrete classes | ||
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r1544 | def objects_count | ||
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r2677 | 0 | ||
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r1544 | end | ||
| def in_use? | ||||
| self.objects_count != 0 | ||||
| end | ||||
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r2833 | |||
| # Is this enumeration overiding a system level enumeration? | ||||
| def is_override? | ||||
| !self.parent.nil? | ||||
| end | ||||
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r1544 | |||
| 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) | ||||
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r2677 | self.transfer_relations(reassign_to) | ||
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r1544 | end | ||
| destroy_without_reassign | ||||
| end | ||||
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r866 | def <=>(enumeration) | ||
| position <=> enumeration.position | ||||
| end | ||||
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r771 | def to_s; name end | ||
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r2677 | |||
| # 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 | ||||
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r2835 | |||
| # 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 | ||||
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r771 | |||
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r330 | private | ||
| def check_integrity | ||||
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r1544 | raise "Can't delete enumeration" if self.in_use? | ||
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r2 | end | ||
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r2677 | |||
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r2 | end | ||
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r2677 | |||
| # Force load the subclasses in development mode | ||||
| require_dependency 'time_entry_activity' | ||||
| require_dependency 'document_category' | ||||
| require_dependency 'issue_priority' | ||||