diff lib/redmine/i18n.rb @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/redmine/i18n.rb	Fri Jul 23 15:52:44 2010 +0100
@@ -0,0 +1,79 @@
+module Redmine
+  module I18n
+    def self.included(base)
+      base.extend Redmine::I18n
+    end
+      
+    def l(*args)
+      case args.size
+      when 1
+        ::I18n.t(*args)
+      when 2
+        if args.last.is_a?(Hash)
+          ::I18n.t(*args)
+        elsif args.last.is_a?(String)
+          ::I18n.t(args.first, :value => args.last)
+        else
+          ::I18n.t(args.first, :count => args.last)
+        end
+      else
+        raise "Translation string with multiple values: #{args.first}"
+      end
+    end
+
+    def l_or_humanize(s, options={})
+      k = "#{options[:prefix]}#{s}".to_sym
+      ::I18n.t(k, :default => s.to_s.humanize)
+    end
+    
+    def l_hours(hours)
+      hours = hours.to_f
+      l((hours < 2.0 ? :label_f_hour : :label_f_hour_plural), :value => ("%.2f" % hours.to_f))
+    end
+    
+    def ll(lang, str, value=nil)
+      ::I18n.t(str.to_s, :value => value, :locale => lang.to_s.gsub(%r{(.+)\-(.+)$}) { "#{$1}-#{$2.upcase}" })
+    end
+
+    def format_date(date)
+      return nil unless date
+      Setting.date_format.blank? ? ::I18n.l(date.to_date) : date.strftime(Setting.date_format)
+    end
+    
+    def format_time(time, include_date = true)
+      return nil unless time
+      time = time.to_time if time.is_a?(String)
+      zone = User.current.time_zone
+      local = zone ? time.in_time_zone(zone) : (time.utc? ? time.localtime : time)
+      Setting.time_format.blank? ? ::I18n.l(local, :format => (include_date ? :default : :time)) : 
+                                   ((include_date ? "#{format_date(time)} " : "") + "#{local.strftime(Setting.time_format)}")
+    end
+
+    def day_name(day)
+      ::I18n.t('date.day_names')[day % 7]
+    end
+  
+    def month_name(month)
+      ::I18n.t('date.month_names')[month]
+    end
+    
+    def valid_languages
+      @@valid_languages ||= Dir.glob(File.join(RAILS_ROOT, 'config', 'locales', '*.yml')).collect {|f| File.basename(f).split('.').first}.collect(&:to_sym)
+    end
+    
+    def find_language(lang)
+      @@languages_lookup = valid_languages.inject({}) {|k, v| k[v.to_s.downcase] = v; k }
+      @@languages_lookup[lang.to_s.downcase]
+    end
+    
+    def set_language_if_valid(lang)
+      if l = find_language(lang)
+        ::I18n.locale = l
+      end
+    end
+    
+    def current_language
+      ::I18n.locale
+    end
+  end
+end