Module: FormProps::FormOptionsHelper

Included in:
Inputs::CollectionSelect, Inputs::GroupedCollectionSelect, Inputs::Select, Inputs::TimeZoneSelect, Inputs::WeekdaySelect
Defined in:
lib/form_props/form_options_helper.rb

Instance Method Summary collapse

Instance Method Details

#extract_selected_and_disabled(selected) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 108

def extract_selected_and_disabled(selected)
  if selected.is_a?(Proc)
    [selected, nil]
  else
    selected = Array.wrap(selected)
    options = selected.extract_options!.symbolize_keys
    selected_items = options.fetch(:selected, selected)
    [selected_items, options[:disabled]]
  end
end

#extract_values_from_collection(collection, value_method, selected) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 119

def extract_values_from_collection(collection, value_method, selected)
  if selected.is_a?(Proc)
    collection.map do |element|
      element.public_send(value_method) if selected.call(element)
    end.compact
  else
    selected
  end
end

#grouped_options_for_select(grouped_options, selected_key = nil, options = {}) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 10

def grouped_options_for_select(grouped_options, selected_key = nil, options = {})
  prompt = options[:prompt]
  divider = options[:divider]

  options = []

  if prompt
    options.push({
      label: prompt_text(prompt),
      value: ""
    })
  end

  grouped_options.each do |container|
    html_attributes = option_html_attributes(container)

    if divider
      label = divider
    else
      label, container = container
    end

    options.push({label: label, options: options_for_select(container, selected_key)}
      .merge!(html_attributes))
  end

  options
end

#option_groups_from_collection_for_select(collection, group_method, group_label_method, option_key_method, option_value_method, selected_key = nil) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 75

def option_groups_from_collection_for_select(collection, group_method, group_label_method, option_key_method, option_value_method, selected_key = nil)
  collection.map do |group|
    option_tags = options_from_collection_for_select(
      value_for_collection(group, group_method),
      option_key_method,
      option_value_method,
      selected_key
    )

    {
      options: option_tags,
      label: value_for_collection(group, group_label_method)
    }
  end
end

#option_html_attributes(element) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 39

def option_html_attributes(element)
  if Array === element
    element.select { |e| Hash === e }.reduce({}, :merge!)
  else
    {}
  end
end

#options_for_select(container, selected = nil) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 47

def options_for_select(container, selected = nil)
  selected, disabled = extract_selected_and_disabled(selected).map do |r|
    Array(r).map(&:to_s)
  end

  container.map do |element|
    html_attributes = option_html_attributes(element)
    text, value = option_text_and_value(element).map(&:to_s)

    if !html_attributes[:selected] && option_value_selected?(value, selected)
      selected_values.push(value)
    end

    if html_attributes[:selected]
      selected_values.push(value)
    end

    if !html_attributes[:disabled] && (disabled && option_value_selected?(value, disabled))
      html_attributes[:disabled] = true
    end

    html_attributes[:value] = value
    html_attributes[:label] = text

    html_attributes
  end
end

#options_from_collection_for_select(collection, value_method, text_method, selected = nil) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 91

def options_from_collection_for_select(collection, value_method, text_method, selected = nil)
  options = collection.map do |element|
    [value_for_collection(element, text_method), value_for_collection(element, value_method), option_html_attributes(element)]
  end
  selected, disabled = extract_selected_and_disabled(selected)
  select_deselect = {
    selected: extract_values_from_collection(collection, value_method, selected),
    disabled: extract_values_from_collection(collection, value_method, disabled)
  }

  options_for_select(options, select_deselect)
end

#selected_values ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 5

def selected_values
  @selected_values ||= []
  @selected_values
end

#time_zone_options_for_select(selected = nil, priority_zones = nil, model = ::ActiveSupport::TimeZone) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 129

def time_zone_options_for_select(selected = nil, priority_zones = nil, model = ::ActiveSupport::TimeZone)
  zone_options = []

  zones = model.all
  convert_zones = lambda { |list| list.map { |z| [z.to_s, z.name] } }

  if priority_zones
    if priority_zones.is_a?(Regexp)
      priority_zones = zones.select { |z| z.match?(priority_zones) }
    end

    zone_options.concat(options_for_select(convert_zones[priority_zones], selected))
    zone_options.push({label: "-------------", value: "", disabled: true})

    zones -= priority_zones
  end

  zone_options.concat(options_for_select(convert_zones[zones], selected))
  zone_options
end

#value_for_collection(item, value) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 104

def value_for_collection(item, value)
  value.respond_to?(:call) ? value.call(item) : item.public_send(value)
end

#weekday_options_for_select(selected = nil, index_as_value: false, day_format: :day_names, beginning_of_week: Date.beginning_of_week) ⇒ Object 



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# File 'lib/form_props/form_options_helper.rb', line 150

def weekday_options_for_select(selected = nil, index_as_value: false, day_format: :day_names, beginning_of_week: Date.beginning_of_week)
  day_names = I18n.translate("date.#{day_format}")
  day_names = day_names.map.with_index.to_a if index_as_value
  day_names = day_names.rotate(Date::DAYS_INTO_WEEK.fetch(beginning_of_week))

  options_for_select(day_names, selected)
end