calendars_helper.rb 1.25 KB
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module CalendarsHelper
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  def link_to_previous_month(year, month, options={})
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    target_year, target_month = if month == 1
                                  [year - 1, 12]
                                else
                                  [year, month - 1]
                                end
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    name = if target_month == 12
             "#{month_name(target_month)} #{target_year}"
           else
             "#{month_name(target_month)}"
           end
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    # \xc2\xab(utf-8) = «
    link_to_month(("\xc2\xab " + name), target_year, target_month, options)
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  end

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  def link_to_next_month(year, month, options={})
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    target_year, target_month = if month == 12
                                  [year + 1, 1]
                                else
                                  [year, month + 1]
                                end

    name = if target_month == 1
             "#{month_name(target_month)} #{target_year}"
           else
             "#{month_name(target_month)}"
           end

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    # \xc2\xbb(utf-8) = »
    link_to_month((name + " \xc2\xbb"), target_year, target_month, options)
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  end

  def link_to_month(link_name, year, month, options={})
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    link_to_content_update(h(link_name), params.merge(:year => year, :month => month))
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  end
end