module Pakyow module Presenter class BinderSet attr_reader :scopes def initialize @scopes = {} @options = {} end def scope(name, &block) scope_eval = ScopeEval.new bindings, options = scope_eval.eval(&block) @scopes[name.to_sym] = bindings @options[name.to_sym] = options end def match_for_prop(prop, scope, bindable, bindings = {}) return bindings_for_scope(scope, bindings)[prop] end def options_for_prop(prop, scope, bindable) if block = (@options[scope] || {})[prop] binding_eval = BindingEval.new(bindable) binding_eval.instance_exec(&block) end end def has_prop?(prop, scope, bindings) bindings_for_scope(scope, bindings).key? prop end def bindings_for_scope(scope, bindings) # merge passed bindings with bindings (@scopes[scope] || {}).merge(bindings) end end class ScopeEval include Helpers def initialize @bindings = {} @options = {} end def eval(&block) self.instance_eval(&block) return @bindings, @options end def binding(name, &block) @bindings[name.to_sym] = block end def options(name, &block) @options[name] = block end def restful(route_group) binding(:action) { routes = router.group(route_group) return_data = {} if id = bindable[:id] return_data[:view] = lambda { |view| view.prepend(View.from_doc(Nokogiri::HTML.fragment(''))) } action = routes.path(:update, :id => id) else action = routes.path(:create) end return_data[:action] = action return_data[:method] = 'post' return_data } end #TODO options end class BindingEval include Helpers attr_reader :bindable def initialize(bindable) @bindable = bindable end end end end