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Versions: 13
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Contents
module Gretel
module Crumbs
class << self
include Resettable
# Stores the supplied block for later use.
def crumb(key, &block)
crumbs[key] = block
end
# Returns a hash of all stored crumb blocks.
def crumbs
@crumbs ||= {}
end
# Returns true if a crumb with the given key has been set.
def crumb_defined?(key)
crumbs.has_key?(key)
end
# Loads the breadcrumb configuration files.
def load_breadcrumbs
@crumbs = {}
loaded_file_mtimes.clear
breadcrumb_files.each do |file|
instance_eval open(file).read, file
loaded_file_mtimes << File.mtime(file)
end
@loaded = true
end
# Reloads the breadcrumb configuration files if they have changed.
def reload_if_needed
load_breadcrumbs if reload?
end
# Returns true if a breadcrumbs reload is needed based on configuration file changes.
def reload?
return true unless loaded?
return false unless Gretel.reload_environments.include?(Rails.env)
loaded_file_mtimes != breadcrumb_files.map { |file| File.mtime(file) }
end
# Returns true if the breadcrumb configuration files have been loaded.
def loaded?
!!@loaded
end
# List of breadcrumb configuration files.
def breadcrumb_files
Dir[*Gretel.breadcrumb_paths]
end
private
def loaded_file_mtimes
@loaded_file_mtimes ||= []
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems