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fab-manager/lib/plugin/instance.rb
2016-05-26 15:14:57 +02:00

99 lines
2.9 KiB
Ruby

require 'fileutils'
require 'plugin_registry'
module Plugin
class Instance
attr_accessor :path#, :directory
[:assets, :initializers, :javascripts, :styles].each do |att|
class_eval %Q{
def #{att}
@#{att} ||= []
end
}
end
def self.find_all(parent_path)
[].tap { |plugins|
# also follows symlinks - http://stackoverflow.com/q/357754
Dir["#{parent_path}/**/*/**/plugin.rb"].sort.each do |path|
source = File.read(path)
# metadata = Plugin::Metadata.parse(source)
plugins << self.new(nil, path)
end
}
end
def initialize(metadata=nil, path=nil)
@metadata = metadata
@path = path
#@directory = path.match(/(.*)\/plugin.rb/)[1]
@idx = 0
end
def activate!
if @path
root_path = "#{File.dirname(@path)}/assets/javascripts"
PluginRegistry.register_glob(root_path, 'coffee.erb')
end
self.instance_eval File.read(path), path # execute all code of the plugin main file ! (named plugin.rb)
register_assets! unless assets.blank?
Rails.configuration.assets.paths << File.dirname(path) + "/assets"
Rails.configuration.assets.precompile += [lambda do |filename, path|
(Dir["plugins/*/assets/templates"].any? { |p| path.include?(p) }) # useless because already included in application.css/js || (%w(.js).include?(File.extname(filename)) && Dir["plugins/*/assets/javascripts"].any? { |p| path.include?(p) }) || (%w(.css).include?(File.extname(filename)) && Dir["plugins/*/assets/stylesheets"].any? { |p| path.include?(p) })
end] #
Rails.configuration.sass.load_paths += Dir["plugins/*/assets/stylesheets"]
# Automatically include rake tasks
Rake.add_rakelib(File.dirname(path) + "/lib/tasks")
# Automatically include migrations
Rails.configuration.paths["db/migrate"] << File.dirname(path) + "/db/migrate"
end
def register_asset(file, opts=nil) # to be used by the plugin !
full_path = File.dirname(path) << "/assets/" << file
assets << [full_path, opts]
end
def register_code_insertion(key, code)
PluginRegistry.code_insertions[key] ||= []
PluginRegistry.code_insertions[key] << code
end
def register_css(style) # useless ?
styles << style
end
def after_initialize(&block)
initializers << block
end
def notify_after_initialize
initializers.each do |callback|
begin
callback.call(self)
rescue ActiveRecord::StatementInvalid => e
# When running db:migrate for the first time on a new database, plugin initializers might
# try to use models. Tolerate it.
raise e unless e.message.try(:include?, "PG::UndefinedTable")
end
end
end
protected
def register_assets!
assets.each do |asset, opts|
PluginRegistry.register_asset(asset, opts)
end
end
end
end