114 lines
4.4 KiB
Ruby
114 lines
4.4 KiB
Ruby
#-- encoding: UTF-8
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# Redmine - project management software
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# Copyright (C) 2006-2011 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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module Redmine
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module Acts
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module Customizable
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def self.included(base)
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base.extend ClassMethods
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end
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module ClassMethods
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def acts_as_customizable(options = {})
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return if self.included_modules.include?(Redmine::Acts::Customizable::InstanceMethods)
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cattr_accessor :customizable_options
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self.customizable_options = options
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has_many :custom_values, :as => :customized,
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:include => :custom_field,
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:order => "#{CustomField.table_name}.position",
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:dependent => :delete_all
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before_validation_on_create { |customized| customized.custom_field_values }
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# Trigger validation only if custom values were changed
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validates_associated :custom_values, :on => :update, :if => Proc.new { |customized| customized.custom_field_values_changed? }
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send :include, Redmine::Acts::Customizable::InstanceMethods
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# Save custom values when saving the customized object
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after_save :save_custom_field_values
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end
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end
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module InstanceMethods
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def self.included(base)
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base.extend ClassMethods
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end
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def available_custom_fields
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CustomField.find(:all, :conditions => "type = '#{self.class.name}CustomField'",
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:order => 'position')
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end
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# Sets the values of the object's custom fields
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# values is an array like [{'id' => 1, 'value' => 'foo'}, {'id' => 2, 'value' => 'bar'}]
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def custom_fields=(values)
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values_to_hash = values.inject({}) do |hash, v|
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v = v.stringify_keys
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if v['id'] && v.has_key?('value')
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hash[v['id']] = v['value']
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end
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hash
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end
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self.custom_field_values = values_to_hash
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end
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# Sets the values of the object's custom fields
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# values is a hash like {'1' => 'foo', 2 => 'bar'}
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def custom_field_values=(values)
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@custom_field_values_changed = true
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values = values.stringify_keys
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custom_field_values.each do |custom_value|
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custom_value.value = values[custom_value.custom_field_id.to_s] if values.has_key?(custom_value.custom_field_id.to_s)
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end if values.is_a?(Hash)
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self.custom_values = custom_field_values
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end
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def custom_field_values
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@custom_field_values ||= available_custom_fields.collect { |x| custom_values.detect { |v| v.custom_field == x } || custom_values.build(:customized => self, :custom_field => x, :value => nil) }
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end
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def visible_custom_field_values
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custom_field_values.select(&:visible?)
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end
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def custom_field_values_changed?
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@custom_field_values_changed == true
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end
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def custom_value_for(c)
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field_id = (c.is_a?(CustomField) ? c.id : c.to_i)
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custom_values.detect {|v| v.custom_field_id == field_id }
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end
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def save_custom_field_values
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custom_field_values.each(&:save)
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@custom_field_values_changed = false
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@custom_field_values = nil
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end
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def reset_custom_values!
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@custom_field_values = nil
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@custom_field_values_changed = true
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values = custom_values.inject({}) {|h,v| h[v.custom_field_id] = v.value; h}
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custom_values.each {|cv| cv.destroy unless custom_field_values.include?(cv)}
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end
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module ClassMethods
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end
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end
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end
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end
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end
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