Module: ActiveScaffold::Bridges::DatePicker::Helper

Defined in:
lib/active_scaffold/bridges/date_picker/helper.rb

Defined Under Namespace

Modules: DatepickerColumnHelpers, FormColumnHelpers, SearchColumnHelpers

Constant Summary collapse

UNSUPPORTED_FORMAT_OPTIONS = 
/%[cUWwxXZ]/
DATE_FORMAT_CONVERSION = 
{
  /%a/ => 'D',
  /%A/ => 'DD',
  /%b/ => 'M',
  /%B/ => 'MM',
  /%d/ => 'dd',
  /%e|%-d/ => 'd',
  /%j/ => 'oo',
  /%m/ => 'mm',
  /%-m|%-m/ => 'm',
  /%y/ => 'y',
  /%Y/ => 'yy',
  /%H/ => 'HH', # options ampm => false
  /%I/ => 'hh', # options ampm => true
  /%M/ => 'mm',
  /%p/ => 'tt',
  /%S/ => 'ss',
  /%z/ => 'z',
  UNSUPPORTED_FORMAT_OPTIONS => ''
}.freeze

Class Method Summary collapse

Class Method Details

.date_options(locale) ⇒ Object 



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# File 'lib/active_scaffold/bridges/date_picker/helper.rb', line 33

def self.date_options(locale)
  date_picker_options = {
    :closeText => as_(:close),
    :prevText => as_(:previous),
    :nextText => as_(:next),
    :currentText => as_(:today),
    :monthNames => I18n.translate!('date.month_names', :locale => locale)[1..-1],
    :monthNamesShort => I18n.translate!('date.abbr_month_names', :locale => locale)[1..-1],
    :dayNames => I18n.translate!('date.day_names', :locale => locale),
    :dayNamesShort => I18n.translate!('date.abbr_day_names', :locale => locale),
    :dayNamesMin => I18n.translate!('date.abbr_day_names', :locale => locale),
    :changeYear => true,
    :changeMonth => true
  }

  as_date_picker_options = I18n.translate! :date_picker_options, :scope => :active_scaffold, :locale => locale, :default => ''
  date_picker_options.merge!(as_date_picker_options) if as_date_picker_options.is_a? Hash
  Rails.logger.warn "ActiveScaffold: Missing date picker localization for your locale: #{locale}" if as_date_picker_options.blank?

  js_format = to_datepicker_format(I18n.translate!('date.formats.default', :locale => locale, :default => ''))
  date_picker_options[:dateFormat] = js_format if js_format.present?
  date_picker_options
rescue StandardError
  raise if locale == I18n.locale
end

.date_options_for_locales ⇒ Object 



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# File 'lib/active_scaffold/bridges/date_picker/helper.rb', line 26

def self.date_options_for_locales
  I18n.available_locales.collect do |locale|
    locale_date_options = date_options(locale)
    "$.datepicker.regional['#{locale}'] = #{locale_date_options.to_json};" if locale_date_options
  end.compact.join('')
end

.datetime_options(locale) ⇒ Object 



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# File 'lib/active_scaffold/bridges/date_picker/helper.rb', line 66

def self.datetime_options(locale)
  rails_time_format = I18n.translate! 'time.formats.picker', :locale => locale, :default => '%a, %d %b %Y %H:%M:%S'
  datetime_picker_options = {
    :ampm => false,
    :hourText => I18n.translate!('datetime.prompts.hour', :locale => locale),
    :minuteText => I18n.translate!('datetime.prompts.minute', :locale => locale),
    :secondText => I18n.translate!('datetime.prompts.second', :locale => locale)
  }

  as_datetime_picker_options = I18n.translate! :datetime_picker_options, :scope => :active_scaffold, :locale => locale, :default => ''
  datetime_picker_options.merge!(as_datetime_picker_options) if as_datetime_picker_options.is_a? Hash
  Rails.logger.warn "ActiveScaffold: Missing datetime picker localization for your locale: #{locale}" if as_datetime_picker_options.blank?

  datetime_picker_options.merge! format_to_datetime_picker(rails_time_format)
  datetime_picker_options
rescue StandardError
  raise if locale == I18n.locale
end

.datetime_options_for_locales ⇒ Object 



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# File 'lib/active_scaffold/bridges/date_picker/helper.rb', line 59

def self.datetime_options_for_locales
  I18n.available_locales.collect do |locale|
    locale_datetime_options = datetime_options(locale)
    "$.timepicker.regional['#{locale}'] = #{locale_datetime_options.to_json};" if locale_datetime_options
  end.compact.join('')
end

.format_to_datetime_picker(rails_time_format) ⇒ Object 



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# File 'lib/active_scaffold/bridges/date_picker/helper.rb', line 103

def self.format_to_datetime_picker(rails_time_format)
  date_format, time_format = split_datetime_format(to_datepicker_format(rails_time_format))
  datetime_picker_options = {}
  datetime_picker_options[:dateFormat] = date_format unless date_format.nil?
  unless time_format.nil?
    datetime_picker_options[:timeFormat] = time_format
    datetime_picker_options[:ampm] = true if rails_time_format.include?('%I')
  end
  datetime_picker_options
end

.split_datetime_format(datetime_format) ⇒ Object 



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# File 'lib/active_scaffold/bridges/date_picker/helper.rb', line 114

def self.split_datetime_format(datetime_format)
  date_format = datetime_format
  time_format = nil
  time_start_indicators = %w[HH hh mm tt ss]
  unless datetime_format.nil?
    start_indicator = time_start_indicators.detect { |indicator| datetime_format.include?(indicator) }
    unless start_indicator.nil?
      pos_time_format = datetime_format.index(start_indicator)
      date_format = datetime_format.to(pos_time_format - 1).strip
      time_format = datetime_format.from(pos_time_format).strip
    end
  end
  [date_format, time_format]
end

.to_datepicker_format(rails_format) ⇒ Object 



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# File 'lib/active_scaffold/bridges/date_picker/helper.rb', line 85

def self.to_datepicker_format(rails_format)
  return nil if rails_format.nil?
  if rails_format.match?(UNSUPPORTED_FORMAT_OPTIONS)
    options = UNSUPPORTED_FORMAT_OPTIONS.to_s.scan(/\[(.*)\]/).dig(0, 0)&.each_char&.map { |c| "%#{c}" }
    Rails.logger.warn(
      "AS DatePicker::Helper: rails date format #{rails_format} includes options "\
      "which can't be converted to jquery datepicker format. "\
      "Options #{options.join(', ')} are not supported by datepicker and will be removed"
    )
  end
  js_format = rails_format.dup
  js_format.gsub!(/([ ]|^)([^% ]\S*)/, " '\\2'")
  DATE_FORMAT_CONVERSION.each do |key, value|
    js_format.gsub!(key, value)
  end
  js_format
end