Redmine/lib/redmine/custom_field_format.rb

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# Redmine - project management software
# Copyright (C) 2006-2009 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
class CustomFieldFormat
include Redmine::I18n
cattr_accessor :available
@@available = {}
attr_accessor :name, :order, :label, :edit_as, :class_names
def initialize(name, options={})
self.name = name
self.label = options[:label]
self.order = options[:order]
self.edit_as = options[:edit_as] || name
self.class_names = options[:only]
end
def format(value)
send "format_as_#{name}", value
end
def format_as_date(value)
begin; format_date(value.to_date); rescue; value end
end
def format_as_bool(value)
l(value == "1" ? :general_text_Yes : :general_text_No)
end
['string','text','int','float','list'].each do |name|
define_method("format_as_#{name}") {|value|
return value
}
end
['user', 'version'].each do |name|
define_method("format_as_#{name}") {|value|
return value.blank? ? "" : name.classify.constantize.find_by_id(value.to_i).to_s
}
end
class << self
def map(&block)
yield self
end
# Registers a custom field format
def register(custom_field_format, options={})
@@available[custom_field_format.name] = custom_field_format unless @@available.keys.include?(custom_field_format.name)
end
def available_formats
@@available.keys
end
def find_by_name(name)
@@available[name.to_s]
end
def label_for(name)
format = @@available[name.to_s]
format.label if format
end
# Return an array of custom field formats which can be used in select_tag
def as_select(class_name=nil)
fields = @@available.values
fields = fields.select {|field| field.class_names.nil? || field.class_names.include?(class_name)}
fields.sort {|a,b|
a.order <=> b.order
}.collect {|custom_field_format|
[ l(custom_field_format.label), custom_field_format.name ]
}
end
def format_value(value, field_format)
return "" unless value && !value.empty?
if format_type = find_by_name(field_format)
format_type.format(value)
else
value
end
end
end
end
end