151 lines
7.3 KiB
Ruby
151 lines
7.3 KiB
Ruby
# Copyright (c) 2005-2006 David Barri
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require 'date'
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module ActionView #:nodoc:
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module Helpers #:nodoc:
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module DateHelper
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unless const_defined?(:LOCALIZED_HELPERS)
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LOCALIZED_HELPERS= true
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LOCALIZED_MONTHNAMES = {}
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LOCALIZED_ABBR_MONTHNAMES = {}
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end
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# This method uses <tt>current_language</tt> to return a localized string.
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def distance_of_time_in_words(from_time, to_time = 0, include_seconds = false)
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from_time = from_time.to_time if from_time.respond_to?(:to_time)
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to_time = to_time.to_time if to_time.respond_to?(:to_time)
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distance_in_minutes = (((to_time - from_time).abs)/60).round
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distance_in_seconds = ((to_time - from_time).abs).round
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case distance_in_minutes
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when 0..1
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return (distance_in_minutes==0) ? l(:actionview_datehelper_time_in_words_minute_less_than) : l(:actionview_datehelper_time_in_words_minute_single) unless include_seconds
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case distance_in_seconds
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when 0..5 then lwr(:actionview_datehelper_time_in_words_second_less_than, 5)
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when 6..10 then lwr(:actionview_datehelper_time_in_words_second_less_than, 10)
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when 11..20 then lwr(:actionview_datehelper_time_in_words_second_less_than, 20)
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when 21..40 then l(:actionview_datehelper_time_in_words_minute_half)
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when 41..59 then l(:actionview_datehelper_time_in_words_minute_less_than)
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else l(:actionview_datehelper_time_in_words_minute)
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end
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when 2..45 then lwr(:actionview_datehelper_time_in_words_minute, distance_in_minutes)
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when 46..90 then l(:actionview_datehelper_time_in_words_hour_about_single)
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when 90..1440 then lwr(:actionview_datehelper_time_in_words_hour_about, (distance_in_minutes.to_f / 60.0).round)
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when 1441..2880 then lwr(:actionview_datehelper_time_in_words_day, 1)
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else lwr(:actionview_datehelper_time_in_words_day, (distance_in_minutes / 1440).round)
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end
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end
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# This method has been modified so that a localized string can be appended to the day numbers.
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def select_day(date, options = {})
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day_options = []
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prefix = l :actionview_datehelper_select_day_prefix
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1.upto(31) do |day|
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day_options << ((date && (date.kind_of?(Fixnum) ? date : date.day) == day) ?
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%(<option value="#{day}" selected="selected">#{day}#{prefix}</option>\n) :
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%(<option value="#{day}">#{day}#{prefix}</option>\n)
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)
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end
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select_html(options[:field_name] || 'day', day_options, options[:prefix], options[:include_blank], options[:discard_type], options[:disabled])
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end
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# This method has been modified so that
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# * the month names are localized.
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# * it uses options: <tt>:min_date</tt>, <tt>:max_date</tt>, <tt>:start_month</tt>, <tt>:end_month</tt>
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# * a localized string can be appended to the month numbers when the <tt>:use_month_numbers</tt> option is specified.
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def select_month(date, options = {})
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unless LOCALIZED_MONTHNAMES.has_key?(current_language)
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LOCALIZED_MONTHNAMES[current_language] = [''] + l(:actionview_datehelper_select_month_names).split(',')
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LOCALIZED_ABBR_MONTHNAMES[current_language] = [''] + l(:actionview_datehelper_select_month_names_abbr).split(',')
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end
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month_options = []
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month_names = options[:use_short_month] ? LOCALIZED_ABBR_MONTHNAMES[current_language] : LOCALIZED_MONTHNAMES[current_language]
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if options.has_key?(:min_date) && options.has_key?(:max_date)
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if options[:min_date].year == options[:max_date].year
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start_month, end_month = options[:min_date].month, options[:max_date].month
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end
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end
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start_month = (options[:start_month] || 1) unless start_month
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end_month = (options[:end_month] || 12) unless end_month
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prefix = l :actionview_datehelper_select_month_prefix
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start_month.upto(end_month) do |month_number|
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month_name = if options[:use_month_numbers]
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"#{month_number}#{prefix}"
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elsif options[:add_month_numbers]
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month_number.to_s + ' - ' + month_names[month_number]
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else
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month_names[month_number]
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end
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month_options << ((date && (date.kind_of?(Fixnum) ? date : date.month) == month_number) ?
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%(<option value="#{month_number}" selected="selected">#{month_name}</option>\n) :
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%(<option value="#{month_number}">#{month_name}</option>\n)
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)
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end
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select_html(options[:field_name] || 'month', month_options, options[:prefix], options[:include_blank], options[:discard_type], options[:disabled])
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end
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# This method has been modified so that
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# * it uses options: <tt>:min_date</tt>, <tt>:max_date</tt>
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# * a localized string can be appended to the years numbers.
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def select_year(date, options = {})
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year_options = []
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y = date ? (date.kind_of?(Fixnum) ? (y = (date == 0) ? Date.today.year : date) : date.year) : Date.today.year
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start_year = options.has_key?(:min_date) ? options[:min_date].year : (options[:start_year] || y-5)
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end_year = options.has_key?(:max_date) ? options[:max_date].year : (options[:end_year] || y+5)
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step_val = start_year < end_year ? 1 : -1
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prefix = l :actionview_datehelper_select_year_prefix
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start_year.step(end_year, step_val) do |year|
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year_options << ((date && (date.kind_of?(Fixnum) ? date : date.year) == year) ?
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%(<option value="#{year}" selected="selected">#{year}#{prefix}</option>\n) :
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%(<option value="#{year}">#{year}#{prefix}</option>\n)
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)
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end
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select_html(options[:field_name] || 'year', year_options, options[:prefix], options[:include_blank], options[:discard_type], options[:disabled])
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end
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# added by JP Lang
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# select_html is a rails private method and changed in 1.2
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# implementation added here for compatibility
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def select_html(type, options, prefix = nil, include_blank = false, discard_type = false, disabled = false)
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select_html = %(<select name="#{prefix || "date"})
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select_html << "[#{type}]" unless discard_type
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select_html << %(")
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select_html << %( disabled="disabled") if disabled
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select_html << %(>\n)
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select_html << %(<option value=""></option>\n) if include_blank
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select_html << options.to_s
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select_html << "</select>\n"
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end
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end
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# The private method <tt>add_options</tt> is overridden so that "Please select" is localized.
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class InstanceTag
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private
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def add_options(option_tags, options, value = nil)
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option_tags = "<option value=\"\"></option>\n" + option_tags if options[:include_blank]
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if value.blank? && options[:prompt]
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("<option value=\"\">#{options[:prompt].kind_of?(String) ? options[:prompt] : l(:actionview_instancetag_blank_option)}</option>\n") + option_tags
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else
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option_tags
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end
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end
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end
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end
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end
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