Contents

require 'glimmer/dsl/top_level_expression'
require 'glimmer/swt/display_proxy'

module Glimmer
  module DSL
    module SWT
      # Mixin for common code in async_exec and sync_exec expressions
      # Uses name in subclass to auto-derive exec_operation
      module ExecExpression
        include TopLevelExpression

        def exec_operation
          @exec_operation ||= self.class.name.split(/::/).last.sub(/Expression$/, '').underscore
        end
  
        def can_interpret?(parent, keyword, *args, &block)
          keyword == exec_operation and
            block_given? and
            args.empty?
        end
  
        def interpret(parent, keyword, *args, &block)
          Glimmer::SWT::DisplayProxy.instance.swt_display.send(exec_operation) do |*args|
            begin
              block.call(*args)
            rescue => e
              Glimmer::Config.logger.error e.full_message
            end
          end
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
glimmer-dsl-swt-0.6.9	lib/glimmer/dsl/swt/exec_expression.rb