jro_apps/redmine Commit - r8945:c7b1a42d19f0

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# Redmine - project management software

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# Redmine - project management software

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#

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#

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# This program is free software; you can redistribute it and/or

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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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# 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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# 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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# of the License, or (at your option) any later version.

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#

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#

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# This program is distributed in the hope that it will be useful,

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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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# 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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

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# GNU General Public License for more details.

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# GNU General Public License for more details.

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#

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#

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# You should have received a copy of the GNU General Public License

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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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# 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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

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module Redmine #:nodoc:

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module Redmine #:nodoc:

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class PluginNotFound < StandardError; end

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class PluginNotFound < StandardError; end

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class PluginRequirementError < StandardError; end

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class PluginRequirementError < StandardError; end

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# Base class for Redmine plugins.

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# Base class for Redmine plugins.

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# Plugins are registered using the <tt>register</tt> class method that acts as the public constructor.

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# Plugins are registered using the <tt>register</tt> class method that acts as the public constructor.

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#

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#

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# Redmine::Plugin.register :example do

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# Redmine::Plugin.register :example do

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# name 'Example plugin'

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# name 'Example plugin'

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# author 'John Smith'

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# author 'John Smith'

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# description 'This is an example plugin for Redmine'

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# description 'This is an example plugin for Redmine'

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# version '0.0.1'

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# version '0.0.1'

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# settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'

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# settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'

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# end

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# end

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#

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#

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# === Plugin attributes

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# === Plugin attributes

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#

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#

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# +settings+ is an optional attribute that let the plugin be configurable.

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# +settings+ is an optional attribute that let the plugin be configurable.

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# It must be a hash with the following keys:

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# It must be a hash with the following keys:

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# * <tt>:default</tt>: default value for the plugin settings

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# * <tt>:default</tt>: default value for the plugin settings

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# * <tt>:partial</tt>: path of the configuration partial view, relative to the plugin <tt>app/views</tt> directory

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# * <tt>:partial</tt>: path of the configuration partial view, relative to the plugin <tt>app/views</tt> directory

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# Example:

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# Example:

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# settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'

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# settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'

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# In this example, the settings partial will be found here in the plugin directory: <tt>app/views/settings/_settings.rhtml</tt>.

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# In this example, the settings partial will be found here in the plugin directory: <tt>app/views/settings/_settings.rhtml</tt>.

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#

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#

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# When rendered, the plugin settings value is available as the local variable +settings+

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# When rendered, the plugin settings value is available as the local variable +settings+

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class Plugin

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class Plugin

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cattr_accessor :public_directory

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self.public_directory = File.join(Rails.root, 'public', 'plugin_assets')

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@registered_plugins = {}

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@registered_plugins = {}

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class << self

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class << self

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attr_reader :registered_plugins

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attr_reader :registered_plugins

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private :new

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private :new

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def def_field(*names)

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def def_field(*names)

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class_eval do

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class_eval do

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names.each do |name|

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names.each do |name|

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define_method(name) do |*args|

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define_method(name) do |*args|

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args.empty? ? instance_variable_get("@#{name}") : instance_variable_set("@#{name}", *args)

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args.empty? ? instance_variable_get("@#{name}") : instance_variable_set("@#{name}", *args)

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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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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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def_field :name, :description, :url, :author, :author_url, :version, :settings

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def_field :name, :description, :url, :author, :author_url, :version, :settings

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attr_reader :id

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attr_reader :id

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# Plugin constructor

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# Plugin constructor

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def self.register(id, &block)

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def self.register(id, &block)

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p = new(id)

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p = new(id)

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p.instance_eval(&block)

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p.instance_eval(&block)

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# Set a default name if it was not provided during registration

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# Set a default name if it was not provided during registration

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p.name(id.to_s.humanize) if p.name.nil?

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p.name(id.to_s.humanize) if p.name.nil?

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# Adds plugin locales if any

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# Adds plugin locales if any

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# YAML translation files should be found under <plugin>/config/locales/

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# YAML translation files should be found under <plugin>/config/locales/

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::I18n.load_path += Dir.glob(File.join(Rails.root, 'vendor', 'plugins', id.to_s, 'config', 'locales', '*.yml'))

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::I18n.load_path += Dir.glob(File.join(Rails.root, 'vendor', 'plugins', id.to_s, 'config', 'locales', '*.yml'))

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registered_plugins[id] = p

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registered_plugins[id] = p

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end

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end

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# Returns an array of all registered plugins

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# Returns an array of all registered plugins

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def self.all

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def self.all

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registered_plugins.values.sort

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registered_plugins.values.sort

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end

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end

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# Finds a plugin by its id

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# Finds a plugin by its id

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# Returns a PluginNotFound exception if the plugin doesn't exist

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# Returns a PluginNotFound exception if the plugin doesn't exist

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def self.find(id)

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def self.find(id)

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registered_plugins[id.to_sym] || raise(PluginNotFound)

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registered_plugins[id.to_sym] || raise(PluginNotFound)

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end

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end

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# Clears the registered plugins hash

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# Clears the registered plugins hash

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# It doesn't unload installed plugins

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# It doesn't unload installed plugins

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def self.clear

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def self.clear

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@registered_plugins = {}

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@registered_plugins = {}

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end

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end

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# Checks if a plugin is installed

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# Checks if a plugin is installed

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#

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#

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# @param [String] id name of the plugin

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# @param [String] id name of the plugin

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def self.installed?(id)

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def self.installed?(id)

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registered_plugins[id.to_sym].present?

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registered_plugins[id.to_sym].present?

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end

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end

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def initialize(id)

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def initialize(id)

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@id = id.to_sym

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@id = id.to_sym

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end

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end

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def <=>(plugin)

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def <=>(plugin)

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self.id.to_s <=> plugin.id.to_s

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self.id.to_s <=> plugin.id.to_s

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end

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end

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# Sets a requirement on Redmine version

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# Sets a requirement on Redmine version

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# Raises a PluginRequirementError exception if the requirement is not met

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# Raises a PluginRequirementError exception if the requirement is not met

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#

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#

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# Examples

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# Examples

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# # Requires Redmine 0.7.3 or higher

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# # Requires Redmine 0.7.3 or higher

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# requires_redmine :version_or_higher => '0.7.3'

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# requires_redmine :version_or_higher => '0.7.3'

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# requires_redmine '0.7.3'

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# requires_redmine '0.7.3'

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#

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#

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# # Requires a specific Redmine version

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# # Requires a specific Redmine version

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# requires_redmine :version => '0.7.3' # 0.7.3 only

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# requires_redmine :version => '0.7.3' # 0.7.3 only

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# requires_redmine :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0

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# requires_redmine :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0

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def requires_redmine(arg)

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def requires_redmine(arg)

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arg = { :version_or_higher => arg } unless arg.is_a?(Hash)

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arg = { :version_or_higher => arg } unless arg.is_a?(Hash)

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arg.assert_valid_keys(:version, :version_or_higher)

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arg.assert_valid_keys(:version, :version_or_higher)

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current = Redmine::VERSION.to_a

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current = Redmine::VERSION.to_a

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arg.each do |k, v|

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arg.each do |k, v|

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v = [] << v unless v.is_a?(Array)

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v = [] << v unless v.is_a?(Array)

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versions = v.collect {|s| s.split('.').collect(&:to_i)}

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versions = v.collect {|s| s.split('.').collect(&:to_i)}

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case k

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case k

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when :version_or_higher

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when :version_or_higher

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raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1

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raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1

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unless (current <=> versions.first) >= 0

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unless (current <=> versions.first) >= 0

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raise PluginRequirementError.new("#{id} plugin requires Redmine #{v} or higher but current is #{current.join('.')}")

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raise PluginRequirementError.new("#{id} plugin requires Redmine #{v} or higher but current is #{current.join('.')}")

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end

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end

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when :version

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when :version

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unless versions.include?(current.slice(0,3))

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unless versions.include?(current.slice(0,3))

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raise PluginRequirementError.new("#{id} plugin requires one the following Redmine versions: #{v.join(', ')} but current is #{current.join('.')}")

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raise PluginRequirementError.new("#{id} plugin requires one the following Redmine versions: #{v.join(', ')} but current is #{current.join('.')}")

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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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end

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true

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true

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end

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end

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# Sets a requirement on a Redmine plugin version

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# Sets a requirement on a Redmine plugin version

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# Raises a PluginRequirementError exception if the requirement is not met

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# Raises a PluginRequirementError exception if the requirement is not met

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#

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#

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# Examples

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# Examples

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# # Requires a plugin named :foo version 0.7.3 or higher

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# # Requires a plugin named :foo version 0.7.3 or higher

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# requires_redmine_plugin :foo, :version_or_higher => '0.7.3'

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# requires_redmine_plugin :foo, :version_or_higher => '0.7.3'

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# requires_redmine_plugin :foo, '0.7.3'

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# requires_redmine_plugin :foo, '0.7.3'

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#

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#

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# # Requires a specific version of a Redmine plugin

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# # Requires a specific version of a Redmine plugin

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# requires_redmine_plugin :foo, :version => '0.7.3' # 0.7.3 only

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# requires_redmine_plugin :foo, :version => '0.7.3' # 0.7.3 only

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# requires_redmine_plugin :foo, :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0

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# requires_redmine_plugin :foo, :version => ['0.7.3', '0.8.0'] # 0.7.3 or 0.8.0

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def requires_redmine_plugin(plugin_name, arg)

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def requires_redmine_plugin(plugin_name, arg)

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arg = { :version_or_higher => arg } unless arg.is_a?(Hash)

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arg = { :version_or_higher => arg } unless arg.is_a?(Hash)

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arg.assert_valid_keys(:version, :version_or_higher)

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arg.assert_valid_keys(:version, :version_or_higher)

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plugin = Plugin.find(plugin_name)

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plugin = Plugin.find(plugin_name)

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current = plugin.version.split('.').collect(&:to_i)

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current = plugin.version.split('.').collect(&:to_i)

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arg.each do |k, v|

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arg.each do |k, v|

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v = [] << v unless v.is_a?(Array)

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v = [] << v unless v.is_a?(Array)

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versions = v.collect {|s| s.split('.').collect(&:to_i)}

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versions = v.collect {|s| s.split('.').collect(&:to_i)}

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case k

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case k

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when :version_or_higher

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when :version_or_higher

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raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1

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raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1

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unless (current <=> versions.first) >= 0

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unless (current <=> versions.first) >= 0

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raise PluginRequirementError.new("#{id} plugin requires the #{plugin_name} plugin #{v} or higher but current is #{current.join('.')}")

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raise PluginRequirementError.new("#{id} plugin requires the #{plugin_name} plugin #{v} or higher but current is #{current.join('.')}")

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end

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end

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when :version

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when :version

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unless versions.include?(current.slice(0,3))

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unless versions.include?(current.slice(0,3))

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raise PluginRequirementError.new("#{id} plugin requires one the following versions of #{plugin_name}: #{v.join(', ')} but current is #{current.join('.')}")

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raise PluginRequirementError.new("#{id} plugin requires one the following versions of #{plugin_name}: #{v.join(', ')} but current is #{current.join('.')}")

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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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end

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true

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true

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end

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end

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# Adds an item to the given +menu+.

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# Adds an item to the given +menu+.

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# The +id+ parameter (equals to the project id) is automatically added to the url.

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# The +id+ parameter (equals to the project id) is automatically added to the url.

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# menu :project_menu, :plugin_example, { :controller => 'example', :action => 'say_hello' }, :caption => 'Sample'

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# menu :project_menu, :plugin_example, { :controller => 'example', :action => 'say_hello' }, :caption => 'Sample'

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#

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#

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# +name+ parameter can be: :top_menu, :account_menu, :application_menu or :project_menu

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# +name+ parameter can be: :top_menu, :account_menu, :application_menu or :project_menu

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#

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#

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def menu(menu, item, url, options={})

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def menu(menu, item, url, options={})

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Redmine::MenuManager.map(menu).push(item, url, options)

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Redmine::MenuManager.map(menu).push(item, url, options)

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end

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end

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alias :add_menu_item :menu

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alias :add_menu_item :menu

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# Removes +item+ from the given +menu+.

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# Removes +item+ from the given +menu+.

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def delete_menu_item(menu, item)

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def delete_menu_item(menu, item)

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Redmine::MenuManager.map(menu).delete(item)

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Redmine::MenuManager.map(menu).delete(item)

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end

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end

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# Defines a permission called +name+ for the given +actions+.

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# Defines a permission called +name+ for the given +actions+.

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#

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#

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# The +actions+ argument is a hash with controllers as keys and actions as values (a single value or an array):

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# The +actions+ argument is a hash with controllers as keys and actions as values (a single value or an array):

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# permission :destroy_contacts, { :contacts => :destroy }

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# permission :destroy_contacts, { :contacts => :destroy }

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# permission :view_contacts, { :contacts => [:index, :show] }

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# permission :view_contacts, { :contacts => [:index, :show] }

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#

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#

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# The +options+ argument can be used to make the permission public (implicitly given to any user)

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# The +options+ argument can be used to make the permission public (implicitly given to any user)

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# or to restrict users the permission can be given to.

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# or to restrict users the permission can be given to.

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#

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#

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# Examples

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# Examples

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# # A permission that is implicitly given to any user

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# # A permission that is implicitly given to any user

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# # This permission won't appear on the Roles & Permissions setup screen

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# # This permission won't appear on the Roles & Permissions setup screen

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# permission :say_hello, { :example => :say_hello }, :public => true

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# permission :say_hello, { :example => :say_hello }, :public => true

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#

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#

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# # A permission that can be given to any user

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# # A permission that can be given to any user

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# permission :say_hello, { :example => :say_hello }

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# permission :say_hello, { :example => :say_hello }

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#

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#

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# # A permission that can be given to registered users only

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# # A permission that can be given to registered users only

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# permission :say_hello, { :example => :say_hello }, :require => :loggedin

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# permission :say_hello, { :example => :say_hello }, :require => :loggedin

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#

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#

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# # A permission that can be given to project members only

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# # A permission that can be given to project members only

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# permission :say_hello, { :example => :say_hello }, :require => :member

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# permission :say_hello, { :example => :say_hello }, :require => :member

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def permission(name, actions, options = {})

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def permission(name, actions, options = {})

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if @project_module

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if @project_module

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Redmine::AccessControl.map {|map| map.project_module(@project_module) {|map|map.permission(name, actions, options)}}

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Redmine::AccessControl.map {|map| map.project_module(@project_module) {|map|map.permission(name, actions, options)}}

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else

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else

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Redmine::AccessControl.map {|map| map.permission(name, actions, options)}

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Redmine::AccessControl.map {|map| map.permission(name, actions, options)}

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end

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end

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end

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end

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# Defines a project module, that can be enabled/disabled for each project.

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# Defines a project module, that can be enabled/disabled for each project.

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# Permissions defined inside +block+ will be bind to the module.

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# Permissions defined inside +block+ will be bind to the module.

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#

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#

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# project_module :things do

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# project_module :things do

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# permission :view_contacts, { :contacts => [:list, :show] }, :public => true

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# permission :view_contacts, { :contacts => [:list, :show] }, :public => true

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# permission :destroy_contacts, { :contacts => :destroy }

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# permission :destroy_contacts, { :contacts => :destroy }

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# end

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# end

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def project_module(name, &block)

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def project_module(name, &block)

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@project_module = name

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@project_module = name

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self.instance_eval(&block)

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self.instance_eval(&block)

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@project_module = nil

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@project_module = nil

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end

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end

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# Registers an activity provider.

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# Registers an activity provider.

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#

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#

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# Options:

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# Options:

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# * <tt>:class_name</tt> - one or more model(s) that provide these events (inferred from event_type by default)

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# * <tt>:class_name</tt> - one or more model(s) that provide these events (inferred from event_type by default)

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# * <tt>:default</tt> - setting this option to false will make the events not displayed by default

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# * <tt>:default</tt> - setting this option to false will make the events not displayed by default

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#

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#

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# A model can provide several activity event types.

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# A model can provide several activity event types.

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#

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#

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# Examples:

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# Examples:

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# register :news

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# register :news

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# register :scrums, :class_name => 'Meeting'

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# register :scrums, :class_name => 'Meeting'

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# register :issues, :class_name => ['Issue', 'Journal']

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# register :issues, :class_name => ['Issue', 'Journal']

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#

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#

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# Retrieving events:

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# Retrieving events:

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# Associated model(s) must implement the find_events class method.

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# Associated model(s) must implement the find_events class method.

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# ActiveRecord models can use acts_as_activity_provider as a way to implement this class method.

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# ActiveRecord models can use acts_as_activity_provider as a way to implement this class method.

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#

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#

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# The following call should return all the scrum events visible by current user that occured in the 5 last days:

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# The following call should return all the scrum events visible by current user that occured in the 5 last days:

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# Meeting.find_events('scrums', User.current, 5.days.ago, Date.today)

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# Meeting.find_events('scrums', User.current, 5.days.ago, Date.today)

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# Meeting.find_events('scrums', User.current, 5.days.ago, Date.today, :project => foo) # events for project foo only

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# Meeting.find_events('scrums', User.current, 5.days.ago, Date.today, :project => foo) # events for project foo only

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#

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#

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# Note that :view_scrums permission is required to view these events in the activity view.

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# Note that :view_scrums permission is required to view these events in the activity view.

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def activity_provider(*args)

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def activity_provider(*args)

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Redmine::Activity.register(*args)

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Redmine::Activity.register(*args)

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end

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end

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# Registers a wiki formatter.

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# Registers a wiki formatter.

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#

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#

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# Parameters:

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# Parameters:

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# * +name+ - human-readable name

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# * +name+ - human-readable name

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# * +formatter+ - formatter class, which should have an instance method +to_html+

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# * +formatter+ - formatter class, which should have an instance method +to_html+

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# * +helper+ - helper module, which will be included by wiki pages

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# * +helper+ - helper module, which will be included by wiki pages

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def wiki_format_provider(name, formatter, helper)

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def wiki_format_provider(name, formatter, helper)

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Redmine::WikiFormatting.register(name, formatter, helper)

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Redmine::WikiFormatting.register(name, formatter, helper)

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end

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end

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# Returns +true+ if the plugin can be configured.

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# Returns +true+ if the plugin can be configured.

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def configurable?

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def configurable?

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settings && settings.is_a?(Hash) && !settings[:partial].blank?

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settings && settings.is_a?(Hash) && !settings[:partial].blank?

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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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end

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g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

             # Redmine - project management software
             # Copyright (C) 2006-2011  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.
             class AdminController < ApplicationController
               layout 'admin'
               menu_item :projects, :only => :projects
               menu_item :plugins, :only => :plugins
               menu_item :info, :only => :info
               before_filter :require_admin
               helper :sort
               include SortHelper
               def index
                 @no_configuration_data = Redmine::DefaultData::Loader::no_data?
               end
               def projects
                 @status = params[:status] || 1
                 scope = Project.status(@status)
                 scope = scope.like(params[:name]) if params[:name].present?
                 @projects = scope.all(:order => 'lft')
                 render :action => "projects", :layout => false if request.xhr?
               end
               def plugins
                 @plugins = Redmine::Plugin.all
               end
               # Loads the default configuration
               # (roles, trackers, statuses, workflow, enumerations)
               def default_configuration
                 if request.post?
                   begin
                     Redmine::DefaultData::Loader::load(params[:lang])
                     flash[:notice] = l(:notice_default_data_loaded)
                   rescue Exception => e
                     flash[:error] = l(:error_can_t_load_default_data, e.message)
                   end
                 end
                 redirect_to :action => 'index'
               end
               def test_email
                 raise_delivery_errors = ActionMailer::Base.raise_delivery_errors
                 # Force ActionMailer to raise delivery errors so we can catch it
                 ActionMailer::Base.raise_delivery_errors = true
                 begin
                   @test = Mailer.deliver_test(User.current)
                   flash[:notice] = l(:notice_email_sent, User.current.mail)
                 rescue Exception => e
                   flash[:error] = l(:notice_email_error, e.message)
                 end
                 ActionMailer::Base.raise_delivery_errors = raise_delivery_errors
                 redirect_to :controller => 'settings', :action => 'edit', :tab => 'notifications'
               end
               def info
                 @db_adapter_name = ActiveRecord::Base.connection.adapter_name
                 @checklist = [
                   [:text_default_administrator_account_changed,
                       User.find(:first,
                                 :conditions => ["login=? and hashed_password=?", 'admin', User.hash_password('admin')]).nil?],
                   [:text_file_repository_writable, File.writable?(Attachment.storage_path)],
-                  [:text_plugin_assets_writable,   File.writable?(Engines.public_directory)],
+                  [:text_plugin_assets_writable,   File.writable?(Redmine::Plugin.public_directory)],
                   [:text_rmagick_available,        Object.const_defined?(:Magick)]
                 ]
               end
             end

             # Redmine - project management software
             # Copyright (C) 2006-2011  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 #:nodoc:
               class PluginNotFound < StandardError; end
               class PluginRequirementError < StandardError; end
               # Base class for Redmine plugins.
               # Plugins are registered using the <tt>register</tt> class method that acts as the public constructor.
               #
               #   Redmine::Plugin.register :example do
               #     name 'Example plugin'
               #     author 'John Smith'
               #     description 'This is an example plugin for Redmine'
               #     version '0.0.1'
               #     settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'
               #   end
               #
               # === Plugin attributes
               #
               # +settings+ is an optional attribute that let the plugin be configurable.
               # It must be a hash with the following keys:
               # * <tt>:default</tt>: default value for the plugin settings
               # * <tt>:partial</tt>: path of the configuration partial view, relative to the plugin <tt>app/views</tt> directory
               # Example:
               #   settings :default => {'foo'=>'bar'}, :partial => 'settings/settings'
               # In this example, the settings partial will be found here in the plugin directory: <tt>app/views/settings/_settings.rhtml</tt>.
               #
               # When rendered, the plugin settings value is available as the local variable +settings+
               class Plugin
+                cattr_accessor :public_directory
+                self.public_directory = File.join(Rails.root, 'public', 'plugin_assets')
                 @registered_plugins = {}
                 class << self
                   attr_reader :registered_plugins
                   private :new
                   def def_field(*names)
                     class_eval do
                       names.each do |name|
                         define_method(name) do |*args|
                           args.empty? ? instance_variable_get("@#{name}") : instance_variable_set("@#{name}", *args)
                         end
                       end
                     end
                   end
                 end
                 def_field :name, :description, :url, :author, :author_url, :version, :settings
                 attr_reader :id
                 # Plugin constructor
                 def self.register(id, &block)
                   p = new(id)
                   p.instance_eval(&block)
                   # Set a default name if it was not provided during registration
                   p.name(id.to_s.humanize) if p.name.nil?
                   # Adds plugin locales if any
                   # YAML translation files should be found under <plugin>/config/locales/
                   ::I18n.load_path += Dir.glob(File.join(Rails.root, 'vendor', 'plugins', id.to_s, 'config', 'locales', '*.yml'))
                   registered_plugins[id] = p
                 end
                 # Returns an array of all registered plugins
                 def self.all
                   registered_plugins.values.sort
                 end
                 # Finds a plugin by its id
                 # Returns a PluginNotFound exception if the plugin doesn't exist
                 def self.find(id)
                   registered_plugins[id.to_sym] || raise(PluginNotFound)
                 end
                 # Clears the registered plugins hash
                 # It doesn't unload installed plugins
                 def self.clear
                   @registered_plugins = {}
                 end
                 # Checks if a plugin is installed
                 #
                 # @param [String] id name of the plugin
                 def self.installed?(id)
                   registered_plugins[id.to_sym].present?
                 end
                 def initialize(id)
                   @id = id.to_sym
                 end
                 def <=>(plugin)
                   self.id.to_s <=> plugin.id.to_s
                 end
                 # Sets a requirement on Redmine version
                 # Raises a PluginRequirementError exception if the requirement is not met
                 #
                 # Examples
                 #   # Requires Redmine 0.7.3 or higher
                 #   requires_redmine :version_or_higher => '0.7.3'
                 #   requires_redmine '0.7.3'
                 #
                 #   # Requires a specific Redmine version
                 #   requires_redmine :version => '0.7.3'              # 0.7.3 only
                 #   requires_redmine :version => ['0.7.3', '0.8.0']   # 0.7.3 or 0.8.0
                 def requires_redmine(arg)
                   arg = { :version_or_higher => arg } unless arg.is_a?(Hash)
                   arg.assert_valid_keys(:version, :version_or_higher)
                   current = Redmine::VERSION.to_a
                   arg.each do |k, v|
                     v = [] << v unless v.is_a?(Array)
                     versions = v.collect {|s| s.split('.').collect(&:to_i)}
                     case k
                     when :version_or_higher
                       raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1
                       unless (current <=> versions.first) >= 0
                         raise PluginRequirementError.new("#{id} plugin requires Redmine #{v} or higher but current is #{current.join('.')}")
                       end
                     when :version
                       unless versions.include?(current.slice(0,3))
                         raise PluginRequirementError.new("#{id} plugin requires one the following Redmine versions: #{v.join(', ')} but current is #{current.join('.')}")
                       end
                     end
                   end
                   true
                 end
                 # Sets a requirement on a Redmine plugin version
                 # Raises a PluginRequirementError exception if the requirement is not met
                 #
                 # Examples
                 #   # Requires a plugin named :foo version 0.7.3 or higher
                 #   requires_redmine_plugin :foo, :version_or_higher => '0.7.3'
                 #   requires_redmine_plugin :foo, '0.7.3'
                 #
                 #   # Requires a specific version of a Redmine plugin
                 #   requires_redmine_plugin :foo, :version => '0.7.3'              # 0.7.3 only
                 #   requires_redmine_plugin :foo, :version => ['0.7.3', '0.8.0']   # 0.7.3 or 0.8.0
                 def requires_redmine_plugin(plugin_name, arg)
                   arg = { :version_or_higher => arg } unless arg.is_a?(Hash)
                   arg.assert_valid_keys(:version, :version_or_higher)
                   plugin = Plugin.find(plugin_name)
                   current = plugin.version.split('.').collect(&:to_i)
                   arg.each do |k, v|
                     v = [] << v unless v.is_a?(Array)
                     versions = v.collect {|s| s.split('.').collect(&:to_i)}
                     case k
                     when :version_or_higher
                       raise ArgumentError.new("wrong number of versions (#{versions.size} for 1)") unless versions.size == 1
                       unless (current <=> versions.first) >= 0
                         raise PluginRequirementError.new("#{id} plugin requires the #{plugin_name} plugin #{v} or higher but current is #{current.join('.')}")
                       end
                     when :version
                       unless versions.include?(current.slice(0,3))
                         raise PluginRequirementError.new("#{id} plugin requires one the following versions of #{plugin_name}: #{v.join(', ')} but current is #{current.join('.')}")
                       end
                     end
                   end
                   true
                 end
                 # Adds an item to the given +menu+.
                 # The +id+ parameter (equals to the project id) is automatically added to the url.
                 #   menu :project_menu, :plugin_example, { :controller => 'example', :action => 'say_hello' }, :caption => 'Sample'
                 #
                 # +name+ parameter can be: :top_menu, :account_menu, :application_menu or :project_menu
                 #
                 def menu(menu, item, url, options={})
                   Redmine::MenuManager.map(menu).push(item, url, options)
                 end
                 alias :add_menu_item :menu
                 # Removes +item+ from the given +menu+.
                 def delete_menu_item(menu, item)
                   Redmine::MenuManager.map(menu).delete(item)
                 end
                 # Defines a permission called +name+ for the given +actions+.
                 #
                 # The +actions+ argument is a hash with controllers as keys and actions as values (a single value or an array):
                 #   permission :destroy_contacts, { :contacts => :destroy }
                 #   permission :view_contacts, { :contacts => [:index, :show] }
                 #
                 # The +options+ argument can be used to make the permission public (implicitly given to any user)
                 # or to restrict users the permission can be given to.
                 #
                 # Examples
                 #   # A permission that is implicitly given to any user
                 #   # This permission won't appear on the Roles & Permissions setup screen
                 #   permission :say_hello, { :example => :say_hello }, :public => true
                 #
                 #   # A permission that can be given to any user
                 #   permission :say_hello, { :example => :say_hello }
                 #
                 #   # A permission that can be given to registered users only
                 #   permission :say_hello, { :example => :say_hello }, :require => :loggedin
                 #
                 #   # A permission that can be given to project members only
                 #   permission :say_hello, { :example => :say_hello }, :require => :member
                 def permission(name, actions, options = {})
                   if @project_module
                     Redmine::AccessControl.map {|map| map.project_module(@project_module) {|map|map.permission(name, actions, options)}}
                   else
                     Redmine::AccessControl.map {|map| map.permission(name, actions, options)}
                   end
                 end
                 # Defines a project module, that can be enabled/disabled for each project.
                 # Permissions defined inside +block+ will be bind to the module.
                 #
                 #   project_module :things do
                 #     permission :view_contacts, { :contacts => [:list, :show] }, :public => true
                 #     permission :destroy_contacts, { :contacts => :destroy }
                 #   end
                 def project_module(name, &block)
                   @project_module = name
                   self.instance_eval(&block)
                   @project_module = nil
                 end
                 # Registers an activity provider.
                 #
                 # Options:
                 # * <tt>:class_name</tt> - one or more model(s) that provide these events (inferred from event_type by default)
                 # * <tt>:default</tt> - setting this option to false will make the events not displayed by default
                 #
                 # A model can provide several activity event types.
                 #
                 # Examples:
                 #   register :news
                 #   register :scrums, :class_name => 'Meeting'
                 #   register :issues, :class_name => ['Issue', 'Journal']
                 #
                 # Retrieving events:
                 # Associated model(s) must implement the find_events class method.
                 # ActiveRecord models can use acts_as_activity_provider as a way to implement this class method.
                 #
                 # The following call should return all the scrum events visible by current user that occured in the 5 last days:
                 #   Meeting.find_events('scrums', User.current, 5.days.ago, Date.today)
                 #   Meeting.find_events('scrums', User.current, 5.days.ago, Date.today, :project => foo) # events for project foo only
                 #
                 # Note that :view_scrums permission is required to view these events in the activity view.
                 def activity_provider(*args)
                   Redmine::Activity.register(*args)
                 end
                 # Registers a wiki formatter.
                 #
                 # Parameters:
                 # * +name+ - human-readable name
                 # * +formatter+ - formatter class, which should have an instance method +to_html+
                 # * +helper+ - helper module, which will be included by wiki pages
                 def wiki_format_provider(name, formatter, helper)
                   Redmine::WikiFormatting.register(name, formatter, helper)
                 end
                 # Returns +true+ if the plugin can be configured.
                 def configurable?
                   settings && settings.is_a?(Hash) && !settings[:partial].blank?
                 end
               end
             end