# File lib/icalendar/calendar.rb, line 19
    def initialize()
      super("VCALENDAR")

      # Set some defaults
      self.calscale = "GREGORIAN"    # Who knows, but this is the only one in the spec.
      self.prodid = "iCalendar-Ruby" # Current product... Should be overwritten by apps that use the library
      self.version = "2.0" # Version of the specification
    end

# File lib/icalendar/calendar.rb, line 28
    def event(&block)
      e = Event.new
      # Note: I'm not sure this is the best way to pass this down, but it works
      e.tzid = self.timezones[0].tzid if self.timezones.length > 0
     
      self.add_component e

      if block
        e.instance_eval &block
        if e.tzid
          e.dtstart.ical_params = { "TZID" => e.tzid }
          e.dtend.ical_params = { "TZID" => e.tzid }
        end
      end

      e
    end

# File lib/icalendar/calendar.rb, line 46
    def find_event(uid)
      self.events.find {|e| e.uid == uid}
    end

# File lib/icalendar/calendar.rb, line 85
    def find_freebusy(uid)
      self.freebusys.find {|f| f.uid == uid}
    end

# File lib/icalendar/calendar.rb, line 72
    def find_journal(uid)
      self.journals.find {|j| j.uid == uid}
    end

# File lib/icalendar/calendar.rb, line 59
    def find_todo(uid)
      self.todos.find {|t| t.uid == uid}
    end

# File lib/icalendar/calendar.rb, line 76
    def freebusy(&block)
      e = Freebusy.new
      self.add_component e

      e.instance_eval &block if block

      e
    end

# File lib/icalendar/calendar.rb, line 63
    def journal(&block)
      e = Journal.new
      self.add_component e

      e.instance_eval &block if block

      e
    end

# File lib/icalendar/calendar.rb, line 107
    def publish
      self.ip_method = "PUBLISH"
    end

# File lib/icalendar/calendar.rb, line 89
    def timezone(&block)
      e = Timezone.new
      self.add_component e

      e.instance_eval &block if block

      e
    end

# File lib/icalendar/calendar.rb, line 50
    def todo(&block)
      e = Todo.new
      self.add_component e

      e.instance_eval &block if block

      e
    end