chris@22: module CalendarsHelper
chris@22:   def link_to_previous_month(year, month, options={})
chris@22:     target_year, target_month = if month == 1
chris@22:                                   [year - 1, 12]
chris@22:                                 else
chris@22:                                   [year, month - 1]
chris@22:                                 end
chris@22:     
chris@22:     name = if target_month == 12
chris@22:              "#{month_name(target_month)} #{target_year}"
chris@22:            else
chris@22:              "#{month_name(target_month)}"
chris@22:            end
chris@22: 
chris@22:     link_to_month(('« ' + name), target_year, target_month, options)
chris@22:   end
chris@22: 
chris@22:   def link_to_next_month(year, month, options={})
chris@22:     target_year, target_month = if month == 12
chris@22:                                   [year + 1, 1]
chris@22:                                 else
chris@22:                                   [year, month + 1]
chris@22:                                 end
chris@22: 
chris@22:     name = if target_month == 1
chris@22:              "#{month_name(target_month)} #{target_year}"
chris@22:            else
chris@22:              "#{month_name(target_month)}"
chris@22:            end
chris@22: 
chris@22:     link_to_month((name + ' »'), target_year, target_month, options)
chris@22:   end
chris@22: 
chris@22:   def link_to_month(link_name, year, month, options={})
chris@22:     project_id = options[:project].present? ? options[:project].to_param : nil
chris@22: 
chris@22:     link_target = calendar_path(:year => year, :month => month, :project_id => project_id)
chris@22: 
chris@22:     link_to_remote(link_name,
chris@22:                    {:update => "content", :url => link_target, :method => :put},
chris@22:                    {:href => link_target})
chris@22: 
chris@22:   end
chris@22:   
chris@22: end