92 lines
2.0 KiB
Ruby
92 lines
2.0 KiB
Ruby
module VueR
|
|
class Application
|
|
|
|
def initialize(hash)
|
|
hash.each do |k,v|
|
|
wrap_attr(k,v)
|
|
end
|
|
@effect = nil
|
|
@subscribers = {}
|
|
end
|
|
|
|
def wrap_attr(k,v)
|
|
instance_variable_set "@#{k}" , v
|
|
define_getter(k)
|
|
define_setter(k)
|
|
end
|
|
|
|
def define_getter(k)
|
|
self.class.define_method k.to_sym do
|
|
track(k)
|
|
instance_variable_get "@#{k}".to_sym
|
|
end
|
|
end
|
|
|
|
def define_setter(k)
|
|
self.class.define_method "#{k}=".to_sym do |new_v|
|
|
instance_variable_set "@#{k}" , new_v
|
|
trigger(k)
|
|
end
|
|
end
|
|
|
|
def track( key )
|
|
puts "Tracking:#{key}-#{@effect.hash}"
|
|
return unless @effect
|
|
get_subscribers_for(key) << @effect
|
|
end
|
|
|
|
def trigger(key)
|
|
puts "Trigger:#{key}"
|
|
effects = get_subscribers_for(key)
|
|
effects.each {|effect| effect.call() }
|
|
end
|
|
|
|
def get_subscribers_for(key)
|
|
key = key.to_sym
|
|
unless @subscribers.has_key?(key)
|
|
@subscribers[key] = Set.new
|
|
end
|
|
@subscribers[key]
|
|
end
|
|
|
|
def mount(on_class)
|
|
@mounter = Mounter.new(on_class , self)
|
|
@mounter.mount
|
|
end
|
|
|
|
def watch_effect( update_proc )
|
|
effect = Proc.new do
|
|
@effect = effect
|
|
update_proc.call
|
|
@effect = nil
|
|
end
|
|
effect.call
|
|
end
|
|
|
|
def send_self(expression)
|
|
method , args = decompose(expression)
|
|
puts "Sending #{method}(#{args.join(',')})"
|
|
self.send method , *args
|
|
end
|
|
|
|
def decompose(expression)
|
|
matches = expression.match(/\b[^()]+\((.*)\)$/)
|
|
return expression if matches.blank?
|
|
method = expression.split("(").first
|
|
return [method , [] ] if m[1].empty?
|
|
args = m[1].split(",").collect{| arg | transform_arg(arg) }
|
|
return [method , args]
|
|
end
|
|
|
|
def transform_arg(arg)
|
|
arg = arg.strip
|
|
puts "Arg:#{arg}:"
|
|
return true if arg == "true"
|
|
return false if arg == "false"
|
|
return nil if arg == "nil"
|
|
return arg.to_i if arg == arg.to_to_s
|
|
arg
|
|
end
|
|
end
|
|
end
|