view lib/redmine/helpers/calendar.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

module Redmine
  module Helpers

    # Simple class to compute the start and end dates of a calendar
    class Calendar
      include Redmine::I18n
      attr_reader :startdt, :enddt

      def initialize(date, lang = current_language, period = :month)
        @date = date
        @events = []
        @ending_events_by_days = {}
        @starting_events_by_days = {}
        set_language_if_valid lang
        case period
        when :month
          @startdt = Date.civil(date.year, date.month, 1)
          @enddt = (@startdt >> 1)-1
          # starts from the first day of the week
          @startdt = @startdt - (@startdt.cwday - first_wday)%7
          # ends on the last day of the week
          @enddt = @enddt + (last_wday - @enddt.cwday)%7
        when :week
          @startdt = date - (date.cwday - first_wday)%7
          @enddt = date + (last_wday - date.cwday)%7
        else
          raise 'Invalid period'
        end
      end

      # Sets calendar events
      def events=(events)
        @events = events
        @ending_events_by_days = @events.group_by {|event| event.due_date}
        @starting_events_by_days = @events.group_by {|event| event.start_date}
      end

      # Returns events for the given day
      def events_on(day)
        ((@ending_events_by_days[day] || []) + (@starting_events_by_days[day] || [])).uniq
      end

      # Calendar current month
      def month
        @date.month
      end

      # Return the first day of week
      # 1 = Monday ... 7 = Sunday
      def first_wday
        case Setting.start_of_week.to_i
        when 1
          @first_dow ||= (1 - 1)%7 + 1
        when 6
          @first_dow ||= (6 - 1)%7 + 1
        when 7
          @first_dow ||= (7 - 1)%7 + 1
        else
          @first_dow ||= (l(:general_first_day_of_week).to_i - 1)%7 + 1
        end
      end

      def last_wday
        @last_dow ||= (first_wday + 5)%7 + 1
      end
    end
  end
end