1 # redMine - project management software
2 # Copyright (C) 2006-2007 Jean-Philippe Lang
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 module Redmine #:nodoc:
20 class PluginNotFound < StandardError; end
21 class PluginRequirementError < StandardError; end
23 # Base class for Redmine plugins.
24 # Plugins are registered using the <tt>register</tt> class method that acts as the public constructor.
26 # Redmine::Plugin.register :example do
27 # name 'Example plugin'
29 # description 'This is an example plugin for Redmine'
31 # settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'
34 # === Plugin attributes
36 # +settings+ is an optional attribute that let the plugin be configurable.
37 # It must be a hash with the following keys:
38 # * <tt>:default</tt>: default value for the plugin settings
39 # * <tt>:partial</tt>: path of the configuration partial view, relative to the plugin <tt>app/views</tt> directory
41 # settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'
42 # In this example, the settings partial will be found here in the plugin directory: <tt>app/views/settings/_settings.rhtml</tt>.
44 # When rendered, the plugin settings value is available as the local variable +settings+
46 @registered_plugins = {}
48 attr_reader :registered_plugins
54 define_method(name) do |*args|
55 args.empty? ? instance_variable_get("@#{name}") : instance_variable_set("@#{name}", *args)
61 def_field :name, :description, :url, :author, :author_url, :version, :settings
65 def self.register(id, &block)
67 p.instance_eval(&block)
68 # Set a default name if it was not provided during registration
69 p.name(id.to_s.humanize) if p.name.nil?
70 # Adds plugin locales if any
71 # YAML translation files should be found under <plugin>/config/locales/
72 ::I18n.load_path += Dir.glob(File.join(RAILS_ROOT, 'vendor', 'plugins', id.to_s, 'config', 'locales', '*.yml'))
73 registered_plugins[id] = p
76 # Returns an array off all registered plugins
78 registered_plugins.values.sort
81 # Finds a plugin by its id
82 # Returns a PluginNotFound exception if the plugin doesn't exist
84 registered_plugins[id.to_sym] || raise(PluginNotFound)
87 # Clears the registered plugins hash
88 # It doesn't unload installed plugins
90 @registered_plugins = {}
93 # Checks if a plugin is installed
95 # @param [String] id name of the plugin
96 def self.installed?(id)
97 registered_plugins[id.to_sym].present?
105 self.id.to_s <=> plugin.id.to_s
108 # Sets a requirement on Redmine version
109 # Raises a PluginRequirementError exception if the requirement is not met
112 # # Requires Redmine 0.7.3 or higher
113 # requires_redmine :version_or_higher => '0.7.3'
114 # requires_redmine '0.7.3'
116 # # Requires a specific Redmine version
117 # requires_redmine :version => '0.7.3' # 0.7.3 only
118 # requires_redmine :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0
119 def requires_redmine(arg)
120 arg = { :version_or_higher => arg } unless arg.is_a?(Hash)
121 arg.assert_valid_keys(:version, :version_or_higher)
123 current = Redmine::VERSION.to_a
125 v = [] << v unless v.is_a?(Array)
126 versions = v.collect {|s| s.split('.').collect(&:to_i)}
128 when :version_or_higher
129 raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1
130 unless (current <=> versions.first) >= 0
131 raise PluginRequirementError.new("#{id} plugin requires Redmine #{v} or higher but current is #{current.join('.')}")
134 unless versions.include?(current.slice(0,3))
135 raise PluginRequirementError.new("#{id} plugin requires one the following Redmine versions: #{v.join(', ')} but current is #{current.join('.')}")
142 # Sets a requirement on a Redmine plugin version
143 # Raises a PluginRequirementError exception if the requirement is not met
146 # # Requires a plugin named :foo version 0.7.3 or higher
147 # requires_redmine_plugin :foo, :version_or_higher => '0.7.3'
148 # requires_redmine_plugin :foo, '0.7.3'
150 # # Requires a specific version of a Redmine plugin
151 # requires_redmine_plugin :foo, :version => '0.7.3' # 0.7.3 only
152 # requires_redmine_plugin :foo, :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0
153 def requires_redmine_plugin(plugin_name, arg)
154 arg = { :version_or_higher => arg } unless arg.is_a?(Hash)
155 arg.assert_valid_keys(:version, :version_or_higher)
157 plugin = Plugin.find(plugin_name)
158 current = plugin.version.split('.').collect(&:to_i)
161 v = [] << v unless v.is_a?(Array)
162 versions = v.collect {|s| s.split('.').collect(&:to_i)}
164 when :version_or_higher
165 raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1
166 unless (current <=> versions.first) >= 0
167 raise PluginRequirementError.new("#{id} plugin requires the #{plugin_name} plugin #{v} or higher but current is #{current.join('.')}")
170 unless versions.include?(current.slice(0,3))
171 raise PluginRequirementError.new("#{id} plugin requires one the following versions of #{plugin_name}: #{v.join(', ')} but current is #{current.join('.')}")
178 # Adds an item to the given +menu+.
179 # The +id+ parameter (equals to the project id) is automatically added to the url.
180 # menu :project_menu, :plugin_example, { :controller => 'example', :action => 'say_hello' }, :caption => 'Sample'
182 # +name+ parameter can be: :top_menu, :account_menu, :application_menu or :project_menu
184 def menu(menu, item, url, options={})
185 Redmine::MenuManager.map(menu).push(item, url, options)
187 alias :add_menu_item :menu
189 # Removes +item+ from the given +menu+.
190 def delete_menu_item(menu, item)
191 Redmine::MenuManager.map(menu).delete(item)
194 # Defines a permission called +name+ for the given +actions+.
196 # The +actions+ argument is a hash with controllers as keys and actions as values (a single value or an array):
197 # permission :destroy_contacts, { :contacts => :destroy }
198 # permission :view_contacts, { :contacts => [:index, :show] }
200 # The +options+ argument can be used to make the permission public (implicitly given to any user)
201 # or to restrict users the permission can be given to.
204 # # A permission that is implicitly given to any user
205 # # This permission won't appear on the Roles & Permissions setup screen
206 # permission :say_hello, { :example => :say_hello }, :public => true
208 # # A permission that can be given to any user
209 # permission :say_hello, { :example => :say_hello }
211 # # A permission that can be given to registered users only
212 # permission :say_hello, { :example => :say_hello }, :require => :loggedin
214 # # A permission that can be given to project members only
215 # permission :say_hello, { :example => :say_hello }, :require => :member
216 def permission(name, actions, options = {})
218 Redmine::AccessControl.map {|map| map.project_module(@project_module) {|map|map.permission(name, actions, options)}}
220 Redmine::AccessControl.map {|map| map.permission(name, actions, options)}
224 # Defines a project module, that can be enabled/disabled for each project.
225 # Permissions defined inside +block+ will be bind to the module.
227 # project_module :things do
228 # permission :view_contacts, { :contacts => [:list, :show] }, :public => true
229 # permission :destroy_contacts, { :contacts => :destroy }
231 def project_module(name, &block)
232 @project_module = name
233 self.instance_eval(&block)
234 @project_module = nil
237 # Registers an activity provider.
240 # * <tt>:class_name</tt> - one or more model(s) that provide these events (inferred from event_type by default)
241 # * <tt>:default</tt> - setting this option to false will make the events not displayed by default
243 # A model can provide several activity event types.
247 # register :scrums, :class_name => 'Meeting'
248 # register :issues, :class_name => ['Issue', 'Journal']
251 # Associated model(s) must implement the find_events class method.
252 # ActiveRecord models can use acts_as_activity_provider as a way to implement this class method.
254 # The following call should return all the scrum events visible by current user that occured in the 5 last days:
255 # Meeting.find_events('scrums', User.current, 5.days.ago, Date.today)
256 # Meeting.find_events('scrums', User.current, 5.days.ago, Date.today, :project => foo) # events for project foo only
258 # Note that :view_scrums permission is required to view these events in the activity view.
259 def activity_provider(*args)
260 Redmine::Activity.register(*args)
263 # Registers a wiki formatter.
266 # * +name+ - human-readable name
267 # * +formatter+ - formatter class, which should have an instance method +to_html+
268 # * +helper+ - helper module, which will be included by wiki pages
269 def wiki_format_provider(name, formatter, helper)
270 Redmine::WikiFormatting.register(name, formatter, helper)
273 # Returns +true+ if the plugin can be configured.
275 settings && settings.is_a?(Hash) && !settings[:partial].blank?