Redmine/lib/redmine/field_format.rb

652 lines
23 KiB
Ruby

# Redmine - project management software
# Copyright (C) 2006-2013 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 FieldFormat
def self.add(name, klass)
all[name.to_s] = klass.instance
end
def self.delete(name)
all.delete(name.to_s)
end
def self.all
@formats ||= Hash.new(Base.instance)
end
def self.available_formats
all.keys
end
def self.find(name)
all[name.to_s]
end
# Return an array of custom field formats which can be used in select_tag
def self.as_select(class_name=nil)
formats = all.values.select do |format|
format.class.customized_class_names.nil? || format.class.customized_class_names.include?(class_name)
end
formats.map {|format| [::I18n.t(format.label), format.name] }.sort_by(&:first)
end
class Base
include Singleton
include Redmine::I18n
include ERB::Util
class_attribute :format_name
self.format_name = nil
# Set this to true if the format supports multiple values
class_attribute :multiple_supported
self.multiple_supported = false
# Set this to true if the format supports textual search on custom values
class_attribute :searchable_supported
self.searchable_supported = false
# Restricts the classes that the custom field can be added to
# Set to nil for no restrictions
class_attribute :customized_class_names
self.customized_class_names = nil
# Name of the partial for editing the custom field
class_attribute :form_partial
self.form_partial = nil
def self.add(name)
self.format_name = name
Redmine::FieldFormat.add(name, self)
end
private_class_method :add
def self.field_attributes(*args)
CustomField.store_accessor :format_store, *args
end
def name
self.class.format_name
end
def label
"label_#{name}"
end
def cast_custom_value(custom_value)
cast_value(custom_value.custom_field, custom_value.value, custom_value.customized)
end
def cast_value(custom_field, value, customized=nil)
if value.blank?
nil
elsif value.is_a?(Array)
value.map do |v|
cast_single_value(custom_field, v, customized)
end.sort
else
cast_single_value(custom_field, value, customized)
end
end
def cast_single_value(custom_field, value, customized=nil)
value.to_s
end
def target_class
nil
end
def possible_custom_value_options(custom_value)
possible_values_options(custom_value.custom_field, custom_value.customized)
end
def possible_values_options(custom_field, object=nil)
[]
end
# Returns the validation errors for custom_field
# Should return an empty array if custom_field is valid
def validate_custom_field(custom_field)
[]
end
# Returns the validation error messages for custom_value
# Should return an empty array if custom_value is valid
def validate_custom_value(custom_value)
errors = Array.wrap(custom_value.value).reject(&:blank?).map do |value|
validate_single_value(custom_value.custom_field, value, custom_value.customized)
end
errors.flatten.uniq
end
def validate_single_value(custom_field, value, customized=nil)
[]
end
def formatted_custom_value(view, custom_value, html=false)
formatted_value(view, custom_value.custom_field, custom_value.value, custom_value.customized, html)
end
def formatted_value(view, custom_field, value, customized=nil, html=false)
cast_value(custom_field, value, customized)
end
def edit_tag(view, tag_id, tag_name, custom_value, options={})
view.text_field_tag(tag_name, custom_value.value, options.merge(:id => tag_id))
end
def bulk_edit_tag(view, tag_id, tag_name, custom_field, objects, value, options={})
view.text_field_tag(tag_name, value, options.merge(:id => tag_id)) +
bulk_clear_tag(view, tag_id, tag_name, custom_field, value)
end
def bulk_clear_tag(view, tag_id, tag_name, custom_field, value)
if custom_field.is_required?
''.html_safe
else
view.content_tag('label',
view.check_box_tag(tag_name, '__none__', (value == '__none__'), :id => nil, :data => {:disables => "##{tag_id}"}) + l(:button_clear),
:class => 'inline'
)
end
end
protected :bulk_clear_tag
def query_filter_options(custom_field, query)
{:type => :string}
end
def before_custom_field_save(custom_field)
end
# Returns a ORDER BY clause that can used to sort customized
# objects by their value of the custom field.
# Returns nil if the custom field can not be used for sorting.
def order_statement(custom_field)
# COALESCE is here to make sure that blank and NULL values are sorted equally
"COALESCE(#{join_alias custom_field}.value, '')"
end
# Returns a GROUP BY clause that can used to group by custom value
# Returns nil if the custom field can not be used for grouping.
def group_statement(custom_field)
nil
end
# Returns a JOIN clause that is added to the query when sorting by custom values
def join_for_order_statement(custom_field)
alias_name = join_alias(custom_field)
"LEFT OUTER JOIN #{CustomValue.table_name} #{alias_name}" +
" ON #{alias_name}.customized_type = '#{custom_field.class.customized_class.base_class.name}'" +
" AND #{alias_name}.customized_id = #{custom_field.class.customized_class.table_name}.id" +
" AND #{alias_name}.custom_field_id = #{custom_field.id}" +
" AND (#{custom_field.visibility_by_project_condition})" +
" AND #{alias_name}.value <> ''" +
" AND #{alias_name}.id = (SELECT max(#{alias_name}_2.id) FROM #{CustomValue.table_name} #{alias_name}_2" +
" WHERE #{alias_name}_2.customized_type = #{alias_name}.customized_type" +
" AND #{alias_name}_2.customized_id = #{alias_name}.customized_id" +
" AND #{alias_name}_2.custom_field_id = #{alias_name}.custom_field_id)"
end
def join_alias(custom_field)
"cf_#{custom_field.id}"
end
protected :join_alias
end
class Unbounded < Base
def validate_single_value(custom_field, value, customized=nil)
errs = super
if value.present?
unless custom_field.regexp.blank? or value =~ Regexp.new(custom_field.regexp)
errs << ::I18n.t('activerecord.errors.messages.invalid')
end
if custom_field.min_length && value.length < custom_field.min_length
errs << ::I18n.t('activerecord.errors.messages.too_short', :count => custom_field.min_length)
end
if custom_field.max_length && custom_field.max_length > 0 && value.length > custom_field.max_length
errs << ::I18n.t('activerecord.errors.messages.too_long', :count => custom_field.max_length)
end
end
errs
end
end
class StringFormat < Unbounded
add 'string'
self.searchable_supported = true
self.form_partial = 'custom_fields/formats/string'
field_attributes :text_formatting
def formatted_value(view, custom_field, value, customized=nil, html=false)
if html && custom_field.text_formatting == 'full'
view.textilizable(value, :object => customized)
else
value.to_s
end
end
end
class TextFormat < Unbounded
add 'text'
self.searchable_supported = true
self.form_partial = 'custom_fields/formats/text'
def formatted_value(view, custom_field, value, customized=nil, html=false)
if html
if custom_field.text_formatting == 'full'
view.textilizable(value, :object => customized)
else
view.simple_format(html_escape(value))
end
else
value.to_s
end
end
def edit_tag(view, tag_id, tag_name, custom_value, options={})
view.text_area_tag(tag_name, custom_value.value, options.merge(:id => tag_id, :rows => 3))
end
def bulk_edit_tag(view, tag_id, tag_name, custom_field, objects, value, options={})
view.text_area_tag(tag_name, value, options.merge(:id => tag_id, :rows => 3)) +
'<br />'.html_safe +
bulk_clear_tag(view, tag_id, tag_name, custom_field, value)
end
def query_filter_options(custom_field, query)
{:type => :text}
end
end
class LinkFormat < StringFormat
add 'link'
self.searchable_supported = false
self.form_partial = 'custom_fields/formats/link'
field_attributes :url_pattern
def formatted_value(view, custom_field, value, customized=nil, html=false)
if html
if custom_field.url_pattern.present?
url = custom_field.url_pattern.to_s.dup
url.gsub!('%value%') {value.to_s}
url.gsub!('%id%') {customized.id.to_s}
url.gsub!('%project_id%') {(customized.respond_to?(:project) ? customized.project.try(:id) : nil).to_s}
url.gsub!('%project_identifier%') {(customized.respond_to?(:project) ? customized.project.try(:identifier) : nil).to_s}
if custom_field.regexp.present?
url.gsub!(%r{%m(\d+)%}) do
m = $1.to_i
matches ||= value.to_s.match(Regexp.new(custom_field.regexp))
matches[m].to_s if matches
end
end
else
url = value.to_s
unless url =~ %r{\A[a-z]+://}i
# no protocol found, use http by default
url = "http://" + url
end
end
view.link_to value.to_s, url
else
value.to_s
end
end
end
class Numeric < Unbounded
self.form_partial = 'custom_fields/formats/numeric'
def order_statement(custom_field)
# Make the database cast values into numeric
# Postgresql will raise an error if a value can not be casted!
# CustomValue validations should ensure that it doesn't occur
"CAST(CASE #{join_alias custom_field}.value WHEN '' THEN '0' ELSE #{join_alias custom_field}.value END AS decimal(30,3))"
end
end
class IntFormat < Numeric
add 'int'
def label
"label_integer"
end
def cast_single_value(custom_field, value, customized=nil)
value.to_i
end
def validate_single_value(custom_field, value, customized=nil)
errs = super
errs << ::I18n.t('activerecord.errors.messages.not_a_number') unless value =~ /^[+-]?\d+$/
errs
end
def query_filter_options(custom_field, query)
{:type => :integer}
end
def group_statement(custom_field)
order_statement(custom_field)
end
end
class FloatFormat < Numeric
add 'float'
def cast_single_value(custom_field, value, customized=nil)
value.to_f
end
def validate_single_value(custom_field, value, customized=nil)
errs = super
errs << ::I18n.t('activerecord.errors.messages.invalid') unless (Kernel.Float(value) rescue nil)
errs
end
def query_filter_options(custom_field, query)
{:type => :float}
end
end
class DateFormat < Unbounded
add 'date'
self.form_partial = 'custom_fields/formats/date'
def cast_single_value(custom_field, value, customized=nil)
value.to_date rescue nil
end
def validate_single_value(custom_field, value, customized=nil)
if value =~ /^\d{4}-\d{2}-\d{2}$/ && (value.to_date rescue false)
[]
else
[::I18n.t('activerecord.errors.messages.not_a_date')]
end
end
def edit_tag(view, tag_id, tag_name, custom_value, options={})
view.text_field_tag(tag_name, custom_value.value, options.merge(:id => tag_id, :size => 10)) +
view.calendar_for(tag_id)
end
def bulk_edit_tag(view, tag_id, tag_name, custom_field, objects, value, options={})
view.text_field_tag(tag_name, value, options.merge(:id => tag_id, :size => 10)) +
view.calendar_for(tag_id) +
bulk_clear_tag(view, tag_id, tag_name, custom_field, value)
end
def query_filter_options(custom_field, query)
{:type => :date}
end
def group_statement(custom_field)
order_statement(custom_field)
end
end
class List < Base
self.multiple_supported = true
field_attributes :edit_tag_style
def edit_tag(view, tag_id, tag_name, custom_value, options={})
if custom_value.custom_field.edit_tag_style == 'check_box'
check_box_edit_tag(view, tag_id, tag_name, custom_value, options)
else
select_edit_tag(view, tag_id, tag_name, custom_value, options)
end
end
def bulk_edit_tag(view, tag_id, tag_name, custom_field, objects, value, options={})
opts = []
opts << [l(:label_no_change_option), ''] unless custom_field.multiple?
opts << [l(:label_none), '__none__'] unless custom_field.is_required?
opts += possible_values_options(custom_field, objects)
view.select_tag(tag_name, view.options_for_select(opts, value), options.merge(:multiple => custom_field.multiple?))
end
def query_filter_options(custom_field, query)
{:type => :list_optional, :values => possible_values_options(custom_field, query.project)}
end
protected
# Renders the edit tag as a select tag
def select_edit_tag(view, tag_id, tag_name, custom_value, options={})
blank_option = ''.html_safe
unless custom_value.custom_field.multiple?
if custom_value.custom_field.is_required?
unless custom_value.custom_field.default_value.present?
blank_option = view.content_tag('option', "--- #{l(:actionview_instancetag_blank_option)} ---", :value => '')
end
else
blank_option = view.content_tag('option', '&nbsp;'.html_safe, :value => '')
end
end
options_tags = blank_option + view.options_for_select(possible_custom_value_options(custom_value), custom_value.value)
s = view.select_tag(tag_name, options_tags, options.merge(:id => tag_id, :multiple => custom_value.custom_field.multiple?))
if custom_value.custom_field.multiple?
s << view.hidden_field_tag(tag_name, '')
end
s
end
# Renders the edit tag as check box or radio tags
def check_box_edit_tag(view, tag_id, tag_name, custom_value, options={})
opts = []
unless custom_value.custom_field.multiple? || custom_value.custom_field.is_required?
opts << ["(#{l(:label_none)})", '']
end
opts += possible_custom_value_options(custom_value)
s = ''.html_safe
tag_method = custom_value.custom_field.multiple? ? :check_box_tag : :radio_button_tag
opts.each do |label, value|
value ||= label
checked = (custom_value.value.is_a?(Array) && custom_value.value.include?(value)) || custom_value.value.to_s == value
tag = view.send(tag_method, tag_name, value, checked, :id => tag_id)
# set the id on the first tag only
tag_id = nil
s << view.content_tag('label', tag + ' ' + label)
end
css = "#{options[:class]} check_box_group"
view.content_tag('span', s, options.merge(:class => css))
end
end
class ListFormat < List
add 'list'
self.searchable_supported = true
self.form_partial = 'custom_fields/formats/list'
def possible_custom_value_options(custom_value)
options = possible_values_options(custom_value.custom_field)
missing = [custom_value.value].flatten.reject(&:blank?) - options
if missing.any?
options += missing
end
options
end
def possible_values_options(custom_field, object=nil)
custom_field.possible_values
end
def validate_custom_field(custom_field)
errors = []
errors << [:possible_values, :blank] if custom_field.possible_values.blank?
errors << [:possible_values, :invalid] unless custom_field.possible_values.is_a? Array
errors
end
def validate_custom_value(custom_value)
invalid_values = Array.wrap(custom_value.value) - Array.wrap(custom_value.value_was) - custom_value.custom_field.possible_values
if invalid_values.select(&:present?).any?
[::I18n.t('activerecord.errors.messages.inclusion')]
else
[]
end
end
def group_statement(custom_field)
order_statement(custom_field)
end
end
class BoolFormat < List
add 'bool'
self.multiple_supported = false
self.form_partial = 'custom_fields/formats/bool'
def label
"label_boolean"
end
def cast_single_value(custom_field, value, customized=nil)
value == '1' ? true : false
end
def possible_values_options(custom_field, object=nil)
[[::I18n.t(:general_text_Yes), '1'], [::I18n.t(:general_text_No), '0']]
end
def group_statement(custom_field)
order_statement(custom_field)
end
end
class RecordList < List
self.customized_class_names = %w(Issue TimeEntry Version Project)
def cast_single_value(custom_field, value, customized=nil)
target_class.find_by_id(value.to_i) if value.present?
end
def target_class
@target_class ||= self.class.name[/^(.*::)?(.+)Format$/, 2].constantize rescue nil
end
def possible_custom_value_options(custom_value)
options = possible_values_options(custom_value.custom_field, custom_value.customized)
missing = [custom_value.value_was].flatten.reject(&:blank?) - options.map(&:last)
if missing.any?
options += target_class.find_all_by_id(missing.map(&:to_i)).map {|o| [o.to_s, o.id.to_s]}
#TODO: use #sort_by! when ruby1.8 support is dropped
options = options.sort_by(&:first)
end
options
end
def order_statement(custom_field)
if target_class.respond_to?(:fields_for_order_statement)
target_class.fields_for_order_statement(value_join_alias(custom_field))
end
end
def group_statement(custom_field)
"COALESCE(#{join_alias custom_field}.value, '')"
end
def join_for_order_statement(custom_field)
alias_name = join_alias(custom_field)
"LEFT OUTER JOIN #{CustomValue.table_name} #{alias_name}" +
" ON #{alias_name}.customized_type = '#{custom_field.class.customized_class.base_class.name}'" +
" AND #{alias_name}.customized_id = #{custom_field.class.customized_class.table_name}.id" +
" AND #{alias_name}.custom_field_id = #{custom_field.id}" +
" AND (#{custom_field.visibility_by_project_condition})" +
" AND #{alias_name}.value <> ''" +
" AND #{alias_name}.id = (SELECT max(#{alias_name}_2.id) FROM #{CustomValue.table_name} #{alias_name}_2" +
" WHERE #{alias_name}_2.customized_type = #{alias_name}.customized_type" +
" AND #{alias_name}_2.customized_id = #{alias_name}.customized_id" +
" AND #{alias_name}_2.custom_field_id = #{alias_name}.custom_field_id)" +
" LEFT OUTER JOIN #{target_class.table_name} #{value_join_alias custom_field}" +
" ON CAST(CASE #{alias_name}.value WHEN '' THEN '0' ELSE #{alias_name}.value END AS decimal(30,0)) = #{value_join_alias custom_field}.id"
end
def value_join_alias(custom_field)
join_alias(custom_field) + "_" + custom_field.field_format
end
protected :value_join_alias
end
class UserFormat < RecordList
add 'user'
self.form_partial = 'custom_fields/formats/user'
field_attributes :user_role
def possible_values_options(custom_field, object=nil)
if object.is_a?(Array)
projects = object.map {|o| o.respond_to?(:project) ? o.project : nil}.compact.uniq
projects.map {|project| possible_values_options(custom_field, project)}.reduce(:&) || []
elsif object.respond_to?(:project) && object.project
scope = object.project.users
if custom_field.user_role.is_a?(Array)
role_ids = custom_field.user_role.map(&:to_s).reject(&:blank?).map(&:to_i)
if role_ids.any?
scope = scope.where("#{Member.table_name}.id IN (SELECT DISTINCT member_id FROM #{MemberRole.table_name} WHERE role_id IN (?))", role_ids)
end
end
scope.sorted.collect {|u| [u.to_s, u.id.to_s]}
else
[]
end
end
def before_custom_field_save(custom_field)
super
if custom_field.user_role.is_a?(Array)
custom_field.user_role.map!(&:to_s).reject!(&:blank?)
end
end
end
class VersionFormat < RecordList
add 'version'
self.form_partial = 'custom_fields/formats/version'
field_attributes :version_status
def possible_values_options(custom_field, object=nil)
if object.is_a?(Array)
projects = object.map {|o| o.respond_to?(:project) ? o.project : nil}.compact.uniq
projects.map {|project| possible_values_options(custom_field, project)}.reduce(:&) || []
elsif object.respond_to?(:project) && object.project
scope = object.project.shared_versions
if custom_field.version_status.is_a?(Array)
statuses = custom_field.version_status.map(&:to_s).reject(&:blank?)
if statuses.any?
scope = scope.where(:status => statuses.map(&:to_s))
end
end
scope.sort.collect {|u| [u.to_s, u.id.to_s]}
else
[]
end
end
def before_custom_field_save(custom_field)
super
if custom_field.version_status.is_a?(Array)
custom_field.version_status.map!(&:to_s).reject!(&:blank?)
end
end
end
end
end