dates_helper.rb
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require 'noosfero/i18n'
module DatesHelper
include ActionView::Helpers::DateHelper
def months
I18n.t('date.month_names')
end
def month_name(n, abbreviated = false)
if abbreviated
I18n.t('date.abbr_month_names')[n]
else
months[n]
end
end
# formats a date for displaying.
def show_date(date, use_numbers = false, year = true, left_time = false)
if date && use_numbers
date_format = year ? _('%{month}/%{day}/%{year}') : _('%{month}/%{day}')
date_format % { :day => date.day, :month => date.month, :year => date.year }
elsif date && left_time
date_format = time_ago_in_words(date)
elsif date
date_format = year ? _('%{month_name} %{day}, %{year}') : _('%{month_name} %{day}')
date_format % { :day => date.day, :month_name => month_name(date.month), :year => date.year }
else
''
end
end
def show_date_month(date, use_numbers = false, year=true)
if date && use_numbers
date_format = year ? _('%{month}/%{year}') : _('%{month}/%{day}')
date_format % { :month => date.month, :year => date.year }
elsif date
date_format = year ? _('%{month_name}, %{year}') : _('%{month_name}')
date_format % { :month_name => month_name(date.month), :year => date.year }
else
''
end
end
# formats a datetime for displaying.
def show_time(time, use_numbers = false, year = true, left_time = false)
if time && use_numbers
_('%{month}/%{day}/%{year}, %{hour}:%{minutes}') % { :year => (year ? time.year : ''), :month => time.month, :day => time.day, :hour => time.hour, :minutes => time.strftime("%M") }
elsif time && left_time
date_format = time_ago_in_words(time)
elsif time
date_format = year ? _('%{month_name} %{day}, %{year} %{hour}:%{minutes}') : _('%{month_name} %{day} %{hour}:%{minutes}')
date_format % { :day => time.day, :month_name => month_name(time.month), :year => time.year, :hour => time.hour, :minutes => time.strftime("%M") }
else
''
end
end
def show_period(date1, date2 = nil, use_numbers = false)
if (date1 == date2) || (date2.nil?)
show_time(date1, use_numbers)
else
if date1.year == date2.year
if date1.month == date2.month
_('from %{month} %{day1} to %{day2}, %{year}') % {
:day1 => date1.day,
:day2 => date2.day,
:month => use_numbers ? date1.month : month_name(date1.month),
:year => date1.year
}
else
_('from %{date1} to %{date2}, %{year}') % {
:date1 => show_date(date1, use_numbers, false),
:date2 => show_date(date2, use_numbers, false),
:year => date1.year
}
end
else
_('from %{date1} to %{date2}') % {
:date1 => show_time(date1, use_numbers),
:date2 => show_time(date2, use_numbers)
}
end
end
end
def show_day_of_week(date, abbreviated = false)
# FIXME Date#strftime should translate this for us !!!!
N_('Sun'); N_('Mon'); N_('Tue'); N_('Wed'); N_('Thu'); N_('Fri'); N_('Sat');
if abbreviated
_(date.strftime("%a"))
else
# FIXME Date#strftime should translate this for us !!!!
I18n.t('date.day_names')[date.wday]
end
end
def show_month(year, month, opts = {})
date = build_date(year, month)
if opts[:next]
date = date >> 1
elsif opts[:previous]
date = date << 1
end
if opts[:only_month]
_('%{month}') % { :month => month_name(date.month.to_i) }
else
_('%{month} %{year}') % { :year => date.year, :month => month_name(date.month.to_i) }
end
end
def build_date(year, month, day = 1)
if year.blank? and month.blank? and day.blank?
DateTime.now
else
if year.blank?
year = DateTime.now.year
end
if month.blank?
month = DateTime.now.month
end
if day.blank?
day = 1
end
DateTime.new(year.to_i, month.to_i, day.to_i)
end
end
def link_to_previous_month(year, month, label = nil)
date = build_date(year, month)
previous_month_date = date - 1.month
label ||= show_month(previous_month_date.year, previous_month_date.month)
button(:back, label, {:year => previous_month_date.year, :month => previous_month_date.month})
end
def link_to_next_month(year, month, label = nil)
date = build_date(year, month)
next_month_date = date + 1.month
label ||= show_month(next_month_date.year, next_month_date.month)
button(:next, label, {:year => next_month_date.year, :month => next_month_date.month})
end
def pick_date(object, method, options = {}, html_options = {})
if language == 'en'
order = [:month, :day, :year]
else
order = [:day, :month, :year]
end
date_select(object, method, html_options.merge(options.merge(:include_blank => true, :order => order, :use_month_names => months)))
end
end