Class: Enumeration

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
Redmine::SubclassFactory
Defined in:
app/models/enumeration.rb

Overview

Redmine - project management software Copyright (C) 2006-2016 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 Method Summary collapse

Instance Method Summary collapse

Methods included from Redmine::SubclassFactory

included

Class Method Details

.default ⇒ Object 



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# File 'app/models/enumeration.rb', line 44

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?
    where(:is_default => true, :type => 'Enumeration').first
  else
    # STI classes are
    where(:is_default => true).first
  end
end

.get_subclasses ⇒ Object

Returns the Subclasses of Enumeration. Each Subclass needs to be required in development mode.

Note: subclasses is protected in ActiveRecord



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# File 'app/models/enumeration.rb', line 102

def self.get_subclasses
  subclasses
end

.overriding_change?(new, previous) ⇒ Boolean

Does the new Hash override the previous Enumeration?

Returns:

  • (Boolean) 


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# File 'app/models/enumeration.rb', line 107

def self.overriding_change?(new, previous)
  if (same_active_state?(new['active'], previous.active)) && same_custom_values?(new,previous)
    return false
  else
    return true
  end
end

.same_active_state?(new, previous) ⇒ Boolean

Are the new and previous fields equal?

Returns:

  • (Boolean) 


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# File 'app/models/enumeration.rb', line 127

def self.same_active_state?(new, previous)
  new = (new == "1" ? true : false)
  return new == previous
end

.same_custom_values?(new, previous) ⇒ Boolean

Does the new Hash have the same custom values as the previous Enumeration?

Returns:

  • (Boolean) 


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# File 'app/models/enumeration.rb', line 116

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

Instance Method Details

#<=>(enumeration) ⇒ Object 



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# File 'app/models/enumeration.rb', line 92

def <=>(enumeration)
  position <=> enumeration.position
end

#check_default ⇒ Object 



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# File 'app/models/enumeration.rb', line 61

def check_default
  if is_default? && is_default_changed?
    Enumeration.where({:type => type}).update_all({:is_default => false})
  end
end

#destroy(reassign_to = nil) ⇒ Object

Destroy the enumeration If a enumeration is specified, objects are reassigned



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# File 'app/models/enumeration.rb', line 85

def destroy(reassign_to = nil)
  if reassign_to && reassign_to.is_a?(Enumeration)
    self.transfer_relations(reassign_to)
  end
  destroy_without_reassign
end

#destroy_without_reassign ⇒ Object 



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# File 'app/models/enumeration.rb', line 81

alias :destroy_without_reassign :destroy

#in_use? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/enumeration.rb', line 72

def in_use?
  self.objects_count != 0
end

#is_override? ⇒ Boolean

Is this enumeration overriding a system level enumeration?

Returns:

  • (Boolean) 


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# File 'app/models/enumeration.rb', line 77

def is_override?
  !self.parent.nil?
end

#objects_count ⇒ Object

Overloaded on concrete classes



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# File 'app/models/enumeration.rb', line 68

def objects_count
  0
end

#option_name ⇒ Object

Overloaded on concrete classes



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# File 'app/models/enumeration.rb', line 57

def option_name
  nil
end

#to_s ⇒ Object 



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# File 'app/models/enumeration.rb', line 96

def to_s; name end