| 19 |
19 |
|
| 20 |
20 |
class PluginNotFound < StandardError; end
|
| 21 |
21 |
class PluginRequirementError < StandardError; end
|
|
22 |
class PluginDeferLoadError < StandardError; end
|
| 22 |
23 |
|
| 23 |
24 |
# Base class for Redmine plugins.
|
| 24 |
25 |
# Plugins are registered using the <tt>register</tt> class method that acts as the public constructor.
|
| ... | ... | |
| 142 |
143 |
registered_plugins[id.to_sym].present?
|
| 143 |
144 |
end
|
| 144 |
145 |
|
|
146 |
def self.requires_plugin(plugin_name)
|
|
147 |
raise PluginDeferLoadError unless installed? plugin_name
|
|
148 |
end
|
|
149 |
|
|
150 |
def self.load_directory(directory)
|
|
151 |
begin
|
|
152 |
restore_a = $:.dup
|
|
153 |
restore_b = ActiveSupport::Dependencies.autoload_paths.dup
|
|
154 |
|
|
155 |
lib = File.join(directory, "lib")
|
|
156 |
if File.directory?(lib)
|
|
157 |
$:.unshift lib
|
|
158 |
ActiveSupport::Dependencies.autoload_paths += [lib]
|
|
159 |
end
|
|
160 |
|
|
161 |
initializer = File.join(directory, "init.rb")
|
|
162 |
if File.file?(initializer)
|
|
163 |
Kernel.load initializer
|
|
164 |
end
|
|
165 |
|
|
166 |
true
|
|
167 |
|
|
168 |
rescue PluginDeferLoadError => e
|
|
169 |
$:[0..-1] = restore_a
|
|
170 |
ActiveSupport::Dependencies.autoload_paths = restore_b
|
|
171 |
|
|
172 |
false
|
|
173 |
end
|
|
174 |
end
|
|
175 |
|
| 145 |
176 |
def self.load
|
|
177 |
load_queue = []
|
|
178 |
|
| 146 |
179 |
Dir.glob(File.join(self.directory, '*')).sort.each do |directory|
|
| 147 |
|
if File.directory?(directory)
|
| 148 |
|
lib = File.join(directory, "lib")
|
| 149 |
|
if File.directory?(lib)
|
| 150 |
|
$:.unshift lib
|
| 151 |
|
ActiveSupport::Dependencies.autoload_paths += [lib]
|
| 152 |
|
end
|
| 153 |
|
initializer = File.join(directory, "init.rb")
|
| 154 |
|
if File.file?(initializer)
|
| 155 |
|
require initializer
|
| 156 |
|
end
|
|
180 |
load_queue << directory if File.directory?(directory)
|
|
181 |
end
|
|
182 |
|
|
183 |
while load_queue.count > 0
|
|
184 |
amount_before = load_queue.count
|
|
185 |
|
|
186 |
load_queue.delete_if {|directory| self.load_directory directory }
|
|
187 |
|
|
188 |
if load_queue.count == amount_before
|
|
189 |
raise "Could not load plugins directories #{load_queue.map{|d| File.basename d}.inspect}. Possible dependency cycle?"
|
| 157 |
190 |
end
|
| 158 |
191 |
end
|
| 159 |
192 |
end
|