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# Redmine - project management software
# Copyright (C) 2006-2012 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.
module Redmine
module Acts
module Customizable
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
def acts_as_customizable(options = {})
return if self.included_modules.include?(Redmine::Acts::Customizable::InstanceMethods)
cattr_accessor :customizable_options
self.customizable_options = options
has_many :custom_values, :as => :customized,
:include => :custom_field,
:order => "#{CustomField.table_name}.position",
:dependent => :delete_all,
:validate => false
send :include, Redmine::Acts::Customizable::InstanceMethods
validate :validate_custom_field_values
after_save :save_custom_field_values
end
end
module InstanceMethods
def self.included(base)
base.extend ClassMethods
end
def available_custom_fields
CustomField.find(:all, :conditions => "type = '#{self.class.name}CustomField'",
:order => 'position')
end
# Sets the values of the object's custom fields
# values is an array like [{'id' => 1, 'value' => 'foo'}, {'id' => 2, 'value' => 'bar'}]
def custom_fields=(values)
values_to_hash = values.inject({}) do |hash, v|
v = v.stringify_keys
if v['id'] && v.has_key?('value')
hash[v['id']] = v['value']
end
hash
end
self.custom_field_values = values_to_hash
end
# Sets the values of the object's custom fields
# values is a hash like {'1' => 'foo', 2 => 'bar'}
def custom_field_values=(values)
values = values.stringify_keys
custom_field_values.each do |custom_field_value|
key = custom_field_value.custom_field_id.to_s
if values.has_key?(key)
value = values[key]
if value.is_a?(Array)
value = value.reject(&:blank?).uniq
if value.empty?
value << ''
end
end
custom_field_value.value = value
end
end
@custom_field_values_changed = true
end
def custom_field_values
@custom_field_values ||= available_custom_fields.collect do |field|
x = CustomFieldValue.new
x.custom_field = field
x.customized = self
if field.multiple?
values = custom_values.select { |v| v.custom_field == field }
if values.empty?
values << custom_values.build(:customized => self, :custom_field => field, :value => nil)
end
x.value = values.map(&:value)
else
cv = custom_values.detect { |v| v.custom_field == field }
cv ||= custom_values.build(:customized => self, :custom_field => field, :value => nil)
x.value = cv.value
end
x
end
end
def visible_custom_field_values
custom_field_values.select(&:visible?)
end
def custom_field_values_changed?
@custom_field_values_changed == true
end
def custom_value_for(c)
field_id = (c.is_a?(CustomField) ? c.id : c.to_i)
custom_values.detect {|v| v.custom_field_id == field_id }
end
def custom_field_value(c)
field_id = (c.is_a?(CustomField) ? c.id : c.to_i)
custom_field_values.detect {|v| v.custom_field_id == field_id }.try(:value)
end
def validate_custom_field_values
if new_record? || custom_field_values_changed?
custom_field_values.each(&:validate_value)
end
end
def save_custom_field_values
target_custom_values = []
custom_field_values.each do |custom_field_value|
if custom_field_value.value.is_a?(Array)
custom_field_value.value.each do |v|
target = custom_values.detect {|cv| cv.custom_field == custom_field_value.custom_field && cv.value == v}
target ||= custom_values.build(:customized => self, :custom_field => custom_field_value.custom_field, :value => v)
target_custom_values << target
end
else
target = custom_values.detect {|cv| cv.custom_field == custom_field_value.custom_field}
target ||= custom_values.build(:customized => self, :custom_field => custom_field_value.custom_field)
target.value = custom_field_value.value
target_custom_values << target
end
end
self.custom_values = target_custom_values
custom_values.each(&:save)
@custom_field_values_changed = false
true
end
def reset_custom_values!
@custom_field_values = nil
@custom_field_values_changed = true
end
module ClassMethods
end
end
end
end
end
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