Module: ActiveScaffold::Helpers::FormColumnHelpers

Included in:
ViewHelpers
Defined in:
lib/active_scaffold/bridges/file_column/form_ui.rb,
lib/active_scaffold/bridges/dragonfly/form_ui.rb,
lib/active_scaffold/bridges/paperclip/form_ui.rb,
lib/active_scaffold/bridges/carrierwave/form_ui.rb,
lib/active_scaffold/helpers/form_column_helpers.rb

Overview

Helpers that assist with the rendering of a Form Column

Instance Method Summary collapse

Instance Method Details

#active_scaffold_add_existing_input(options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 533

def active_scaffold_add_existing_input(options)
  record = options.delete(:object)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  if !ActiveScaffold.js_framework.nil? && controller.respond_to?(:record_select_config, true)
    remote_controller = active_scaffold_controller_for(record_select_config.model).controller_path
    options.merge!(:controller => remote_controller)
    options.merge!(active_scaffold_input_text_options)
    record_select_field(options[:name], record, options)
  else
    select_options = sorted_association_options_find(nested.association, nil, record)
    select_options ||= active_scaffold_config.model.all
    select_options = options_from_collection_for_select(select_options, :id, :to_label)
    select_tag 'associated_id', ('<option value="">' + as_(:_select_) + '</option>' + select_options).html_safe unless select_options.empty?
  end
end

#active_scaffold_add_existing_label ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 550

def active_scaffold_add_existing_label
  if controller.respond_to?(:record_select_config, true)
    record_select_config.model.model_name.human
  else
    active_scaffold_config.model.model_name.human
  end
end

#active_scaffold_checkbox_list(column, select_options, associated_ids, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 320

def active_scaffold_checkbox_list(column, select_options, associated_ids, options)
  label_method = column.options[:label_method] || :to_label
  html = hidden_field_tag("#{options[:name]}[]", '', :id => nil)
  html << content_tag(:ul, options.merge(:class => "#{options[:class]} checkbox-list#{' draggable-lists' if column.options[:draggable_lists]}")) do
    content = ''.html_safe
    select_options.each_with_index do |option, i|
      content << active_scaffold_checkbox_option(option, label_method, associated_ids, :name => "#{options[:name]}[]", :id => "#{options[:id]}_#{i}_id")
    end
    content
  end
  html
end

#active_scaffold_checkbox_option(option, label_method, associated_ids, checkbox_options, li_options = {}) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 311

def active_scaffold_checkbox_option(option, label_method, associated_ids, checkbox_options, li_options = {})
  content_tag(:li, li_options) do
    option_id = option.is_a?(Array) ? option[1] : option.id
    label = option.is_a?(Array) ? option[0] : option.send(label_method)
    check_box_tag(checkbox_options[:name], option_id, associated_ids.include?(option_id), checkbox_options) <<
      content_tag(:label, label, :for => checkbox_options[:id])
  end
end

#active_scaffold_enum_options(column, record = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 338

def active_scaffold_enum_options(column, record = nil)
  column.options[:options]
end

#active_scaffold_grouped_options(column, select_options, optgroup) ⇒ Object

Form input methods



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 233

def active_scaffold_grouped_options(column, select_options, optgroup)
  group_column = active_scaffold_config_for(column.association.klass).columns[optgroup]
  group_label = group_column.options[:label_method] if group_column
  group_label ||= group_column.try(:association) ? :to_label : :to_s
  select_options.group_by(&optgroup.to_sym).collect do |group, options|
    [group.send(group_label), options.collect { |r| [r.send(column.options[:label_method] || :to_label), r.id] }]
  end
end

#active_scaffold_input_boolean(column, options) ⇒ Object

Column.type-based inputs



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 449

def active_scaffold_input_boolean(column, options)
  record = options.delete(:object)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  select_options = []
  select_options << [as_(:_select_), nil] if !column.virtual? && column.column.null
  select_options << [as_(:true), true]
  select_options << [as_(:false), false]

  select_tag(options[:name], options_for_select(select_options, record.send(column.name)), options)
end

#active_scaffold_input_carrierwave(column, options) ⇒ Object 



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# File 'lib/active_scaffold/bridges/carrierwave/form_ui.rb', line 4

def active_scaffold_input_carrierwave(column, options)
  record = options[:object]
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in html_options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  options = active_scaffold_input_text_options(options.merge(column.options))

  carrierwave = record.send("#{column.name}")
  if !carrierwave.file.blank?

    remove_field_options = {
      :name => options[:name].gsub(/\[#{column.name}\]$/, "[remove_#{column.name}]"),
      :id => 'remove_' + options[:id],
      :value => false
    }

    cache_field_options = {
      :name => options[:name].gsub(/\[#{column.name}\]$/, "[#{column.name}_cache]"),
      :id => options[:id] + '_cache'
    }

    case ActiveScaffold.js_framework
    when :jquery
      js_remove_file_code = "jQuery(this).prev('input#remove_#{options[:id]}').val('true'); jQuery(this).parent().hide().next().show(); return false;"
      js_dont_remove_file_code = "jQuery(this).parents('div.carrierwave_controls').find('input#remove_#{options[:id]}').val('false'); return false;"
    when :prototype
      js_remove_file_code = "$(this).previous('input#remove_#{options[:id]}').value='true'; $(this).up().hide().next().show(); return false;"
      js_dont_remove_file_code = "$(this).up('div.carrierwave_controls').down('input#remove_#{options[:id]}').value='false'; return false;"
    end

    input = file_field(:record, column.name, options.merge(:onchange => js_dont_remove_file_code))
    content_tag(
      :div,
      content_tag(:div, (
          get_column_value(record, column) + ' | ' +
            hidden_field(:record, "#{column.name}_cache", cache_field_options) +
            hidden_field(:record, "remove_#{column.name}", remove_field_options) +
            content_tag(:a, as_(:remove_file), :href => '#', :onclick => js_remove_file_code)
        ).html_safe
      ) + content_tag(:div, input, :style => 'display: none'),
      :class => 'carrierwave_controls'
    )
  else
    file_field(:record, column.name, options)
  end
end

#active_scaffold_input_checkbox(column, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 392

def active_scaffold_input_checkbox(column, options)
  check_box(:record, column.name, options.merge(column.options))
end

#active_scaffold_input_dragonfly(column, options) ⇒ Object 



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# File 'lib/active_scaffold/bridges/dragonfly/form_ui.rb', line 4

def active_scaffold_input_dragonfly(column, options)
  record = options[:object]
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in html_options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  options = active_scaffold_input_text_options(options.merge(column.options))

  input = file_field(:record, column.name, options)
  dragonfly = record.send("#{column.name}")
  if dragonfly.present?
    case ActiveScaffold.js_framework
    when :jquery
      js_remove_file_code = "jQuery(this).prev().val('true'); jQuery(this).parent().hide().next().show(); return false;"
    when :prototype
      js_remove_file_code = "$(this).previous().value='true'; $(this).up().hide().next().show(); return false;"
    end

    content = active_scaffold_column_dragonfly(record, column)
    content_tag(
      :div,
      content + ' | ' +
        hidden_field(:record, "remove_#{column.name}", :value => 'false') +
        content_tag(:a, as_(:remove_file), :href => '#', :onclick => js_remove_file_code)
    ) + content_tag(:div, input, :style => 'display: none')
  else
    input
  end
end

#active_scaffold_input_email(column, options) ⇒ Object

A text box, that accepts only valid email address (in-browser validation)



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 414

def active_scaffold_input_email(column, options)
  options = active_scaffold_input_text_options(options)
  email_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_enum(column, html_options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 342

def active_scaffold_input_enum(column, html_options)
  record = html_options.delete(:object)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in html_options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  options = {:selected => record.send(column.name), :object => record}
  options_for_select = active_scaffold_enum_options(column, record).collect do |text, value|
    active_scaffold_translated_option(column, text, value)
  end
  html_options.merge!(column.options[:html_options] || {})
  options.merge!(column.options)
  active_scaffold_translate_select_options(options)
  select(:record, column.name, options_for_select, options, html_options)
end

#active_scaffold_input_file_column(column, options) ⇒ Object 



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# File 'lib/active_scaffold/bridges/file_column/form_ui.rb', line 5

def active_scaffold_input_file_column(column, options)
  record = options[:object]
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in html_options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  if record.send(column.name)
    # we already have a value? display the form for deletion.
    case ActiveScaffold.js_framework
    when :jquery
      remove_file_js = "jQuery(this).prev().val('true'); jQuery(this).parent().hide().next().show(); return false;"
    when :prototype
      remove_file_js = "$(this).previous().value='true'; p=$(this).up(); p.hide(); p.next().show(); return false;"
    end

    hidden_options = options.merge(:id => options[:id] + '_delete', :name => options[:name].sub("[#{column.name}]", "[delete_#{column.name}]"), :value => 'false')
    custom_hidden_field_tag = hidden_field(:record, column.name, hidden_options)

    content_tag(:div) do
      content_tag(:div) do
        get_column_value(record, column) + " #{custom_hidden_field_tag} | ".html_safe <<
          content_tag(:a, as_(:remove_file), :href => '#', :onclick => remove_file_js) <<
          content_tag(:div, file_column_field('record', column.name, options), :style => 'display: none')
      end
    end
  else
    file_column_field('record', column.name, options)
  end
end

#active_scaffold_input_for(column, scope = nil, options = nil) ⇒ Object

This method decides which input to use for the given column. It does not do any rendering. It only decides which method is responsible for rendering.



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 7

def active_scaffold_input_for(column, scope = nil, options = nil)
  options ||= active_scaffold_input_options(column, scope)
  options = update_columns_options(column, scope, options)
  active_scaffold_render_input(column, options)
end

#active_scaffold_input_number(column, options) ⇒ Object

A spinbox control for number values (in-browser validation)



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 432

def active_scaffold_input_number(column, options)
  options = numerical_constraints_for_column(column, options)
  options = active_scaffold_input_text_options(options)
  number_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_options(column, scope = nil, options = {}) ⇒ Object

the standard active scaffold options used for class, name and scope



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 100

def active_scaffold_input_options(column, scope = nil, options = {})
  name = scope ? "record#{scope}[#{column.name}]" : "record[#{column.name}]"
  record = options[:object]

  # Add some HTML5 attributes for in-browser validation and better user experience
  if column.required? && (!@disable_required_for_new || scope.nil? || record.try(:persisted?))
    options[:required] = true
  end
  options[:placeholder] = column.placeholder if column.placeholder.present?

  # Fix for keeping unique IDs in subform
  id_control = "record_#{column.name}_#{[params[:eid], params[:parent_id] || params[:id]].compact.join '_'}"
  id_control += scope_id(scope) if scope

  classes = "#{column.name}-input"
  classes += ' numeric-input' if column.number?

  {:name => name, :class => classes, :id => id_control}.merge(options)
end

#active_scaffold_input_paperclip(column, options) ⇒ Object 



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# File 'lib/active_scaffold/bridges/paperclip/form_ui.rb', line 4

def active_scaffold_input_paperclip(column, options)
  record = options[:object]
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in html_options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  options = active_scaffold_input_text_options(options.merge(column.options))

  input = file_field(:record, column.name, options)
  paperclip = record.send("#{column.name}")
  if paperclip.file?
    case ActiveScaffold.js_framework
    when :jquery
      js_remove_file_code = "jQuery(this).prev().val('true'); jQuery(this).parent().hide().next().show(); return false;"
    when :prototype
      js_remove_file_code = "$(this).previous().value='true'; $(this).up().hide().next().show(); return false;"
    end

    object_name, method = options[:name].split(/\[(#{column.name})\]/)
    method.sub!(/#{column.name}/, 'delete_\0')

    content = active_scaffold_column_paperclip(record, column)
    content_tag(
      :div,
      content + ' | ' +
        hidden_field(object_name, method, :value => 'false') +
        content_tag(:a, as_(:remove_file), :href => '#', :onclick => js_remove_file_code)
    ) + content_tag(:div, input, :style => 'display: none')
  else
    input
  end
end

#active_scaffold_input_password(column, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 396

def active_scaffold_input_password(column, options)
  options = active_scaffold_input_text_options(options)
  password_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_plural_association(column, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 295

def active_scaffold_input_plural_association(column, options)
  record = options.delete(:object)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  associated_options, select_options = active_scaffold_plural_association_options(column, record)

  html =
    if select_options.empty?
      content_tag(:span, as_(:no_options), :class => "#{options[:class]} no-options", :id => options[:id])
    else
      active_scaffold_checkbox_list(column, select_options, associated_options.collect(&:id), options)
    end
  html << active_scaffold_refresh_link(column, options, record) if column.options[:refresh_link]
  html
end

#active_scaffold_input_radio(column, html_options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 366

def active_scaffold_input_radio(column, html_options)
  record = html_options[:object]
  html_options.merge!(column.options[:html_options] || {})
  options =
    if column.association
      sorted_association_options_find(column.association, nil, record)
    else
      active_scaffold_enum_options(column, record)
    end
  id_key = html_options[:"data-id"] ? :"data-id" : :id
  label_method = column.options[:label_method] || :to_label if column.association

  options.each_with_object('') do |(text, value), html|
    if column.association
      text, value = [text.send(label_method), text.id]
      checked = {:checked => html_options[:object].send(column.association.name).try(:id) == value}
    else
      text, value = active_scaffold_translated_option(column, text, value)
    end

    radio_options = html_options.merge(id_key => html_options[id_key] + '-' + value.to_s.parameterize)
    radio_options.merge!(checked) if checked
    html << content_tag(:label, radio_button(:record, column.name, value, radio_options) + text)
  end.html_safe
end

#active_scaffold_input_range(column, options) ⇒ Object

A slider control for number values (in-browser validation)



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 439

def active_scaffold_input_range(column, options)
  options = numerical_constraints_for_column(column, options)
  options = active_scaffold_input_text_options(options)
  range_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_select(column, html_options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 356

def active_scaffold_input_select(column, html_options)
  if column.singular_association?
    active_scaffold_input_singular_association(column, html_options)
  elsif column.plural_association?
    active_scaffold_input_plural_association(column, html_options)
  else
    active_scaffold_input_enum(column, html_options)
  end
end

#active_scaffold_input_singular_association(column, html_options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 248

def active_scaffold_input_singular_association(column, html_options)
  record = html_options.delete(:object)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in html_options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  associated = record.send(column.association.name)

  select_options = sorted_association_options_find(column.association, nil, record)
  select_options.unshift(associated) unless associated.nil? || select_options.include?(associated)

  method = column.name
  options = {:selected => associated.try(:id), :include_blank => as_(:_select_), :object => record}

  html_options.merge!(column.options[:html_options] || {})
  options.merge!(column.options)
  html_options[:name] = "#{html_options[:name]}[]" if html_options[:multiple] == true && !html_options[:name].to_s.ends_with?('[]')
  active_scaffold_translate_select_options(options)

  html =
    if (optgroup = options.delete(:optgroup))
      select(:record, method, active_scaffold_grouped_options(column, select_options, optgroup), options, html_options)
    else
      collection_select(:record, method, select_options, :id, column.options[:label_method] || :to_label, options, html_options)
    end
  html << active_scaffold_refresh_link(column, html_options, record) if column.options[:refresh_link]
  html
end

#active_scaffold_input_telephone(column, options) ⇒ Object

A text box, that accepts only valid phone-number (in-browser validation)



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 426

def active_scaffold_input_telephone(column, options)
  options = active_scaffold_input_text_options(options)
  telephone_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_text_options(options = {}) ⇒ Object

the standard active scaffold options used for textual inputs



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 93

def active_scaffold_input_text_options(options = {})
  options[:autocomplete] = 'off'
  options[:class] = "#{options[:class]} text-input".strip
  options
end

#active_scaffold_input_textarea(column, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 401

def active_scaffold_input_textarea(column, options)
  text_area(:record, column.name, options.merge(:cols => column.options[:cols], :rows => column.options[:rows], :size => column.options[:size]))
end

#active_scaffold_input_url(column, options) ⇒ Object

A text box, that accepts only valid URI (in-browser validation)



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 420

def active_scaffold_input_url(column, options)
  options = active_scaffold_input_text_options(options)
  url_field :record, column.name, options.merge(column.options)
end

#active_scaffold_input_virtual(column, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 405

def active_scaffold_input_virtual(column, options)
  options = active_scaffold_input_text_options(options)
  text_field :record, column.name, options.merge(column.options)
end

#active_scaffold_plural_association_options(column, record = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 288

def active_scaffold_plural_association_options(column, record = nil)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, call with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  associated_options = record.send(column.association.name)
  [associated_options, associated_options | sorted_association_options_find(column.association, nil, record)]
end

#active_scaffold_refresh_link(column, html_options, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 275

def active_scaffold_refresh_link(column, html_options, record)
  link_options = {:object => record}
  if html_options['data-update_url']
    link_options['data-update_send_form'] = html_options['data-update_send_form']
    link_options['data-update_send_form_selector'] = html_options['data-update_send_form_selector']
  else
    scope = html_options[:name].scan(/^record((\[[^\]]*\])*)\[#{column.name}\]/)[0].try(:first) if html_options[:name]
    link_options = update_columns_options(column, scope.presence, link_options, true)
  end
  link_options[:class] = 'refresh-link'
  link_to(as_(:refresh), link_options.delete('data-update_url') || html_options['data-update_url'], link_options)
end

#active_scaffold_render_input(column, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 13

def active_scaffold_render_input(column, options)
  record = options[:object]
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed

  # first, check if the dev has created an override for this specific field
  if (method = override_form_field(column))
    send(method, record, options)
  # second, check if the dev has specified a valid form_ui for this column
  elsif column.form_ui && (method = override_input(column.form_ui))
    send(method, column, options)
  # fallback: we get to make the decision
  else
    if column.association
      if column.form_ui.nil?
        # its an association and nothing is specified, we will assume form_ui :select
        active_scaffold_input_select(column, options)
      else
        # if we get here, it's because the column has a form_ui but not one ActiveScaffold knows about.
        raise "Unknown form_ui `#{column.form_ui}' for column `#{column.name}'"
      end
    elsif column.virtual?
      options[:value] = format_number_value(record.send(column.name), column.options) if column.number?
      active_scaffold_input_virtual(column, options)

    else # regular model attribute column
      # if we (or someone else) have created a custom render option for the column type, use that
      if (method = override_input(column.column.type))
        send(method, column, options)
      # final ultimate fallback: use rails' generic input method
      else
        # for textual fields we pass different options
        text_types = [:text, :string, :integer, :float, :decimal, :date, :time, :datetime]
        options = active_scaffold_input_text_options(options) if text_types.include?(column.column.type)
        if column.column.type == :string && options[:maxlength].blank?
          options[:maxlength] = column.column.limit
          options[:size] ||= options[:maxlength].to_i > 30 ? 30 : options[:maxlength]
        end
        options[:include_blank] = true if column.column.null && [:date, :datetime, :time].include?(column.column.type)
        options[:value] = format_number_value(record.send(column.name), column.options) if column.number?
        text_field(:record, column.name, options.merge(column.options))
      end
    end
  end
rescue StandardError => e
  logger.error "#{e.class.name}: #{e.message} -- on the ActiveScaffold column = :#{column.name} in #{controller.class}"
  raise e
end

#active_scaffold_render_subform_column(column, scope, crud_type, readonly, add_class = false, record = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 62

def active_scaffold_render_subform_column(column, scope, crud_type, readonly, add_class = false, record = nil)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, call with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  if add_class
    col_class = []
    col_class << 'required' if column.required?
    col_class << column.css_class unless column.css_class.nil? || column.css_class.is_a?(Proc)
    col_class << 'hidden' if column_renders_as(column) == :hidden
    col_class << 'checkbox' if column.form_ui == :checkbox
    col_class = col_class.join(' ')
  end
  if readonly && !record.new_record? || !record.authorized_for?(:crud_type => crud_type, :column => column.name)
    options = active_scaffold_input_options(column, scope).except(:name)
    options[:class] = "#{options[:class]} #{col_class}" if col_class
    content_tag :span, get_column_value(record, column), options
  else
    renders_as = column_renders_as(column)
    html = render_column(column, record, renders_as, scope, false, col_class)
    html = content_tag(:div, html, active_scaffold_subform_attributes(column)) if renders_as == :subform
    html
  end
end

#active_scaffold_subform_attributes(column, column_css_class = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 85

def active_scaffold_subform_attributes(column, column_css_class = nil)
  {
    :class => "sub-form #{active_scaffold_config_for(column.association.klass).subform.layout}-sub-form #{column_css_class} #{column.name}-sub-form",
    :id => sub_form_id(:association => column.name)
  }
end

#active_scaffold_translate_select_options(options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 242

def active_scaffold_translate_select_options(options)
  options[:include_blank] = as_(options[:include_blank].to_s) if options[:include_blank].is_a? Symbol
  options[:prompt] = as_(options[:prompt].to_s) if options[:prompt].is_a? Symbol
  options
end

#active_scaffold_translated_option(column, text, value = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 333

def active_scaffold_translated_option(column, text, value = nil)
  value = text if value.nil?
  [(text.is_a?(Symbol) ? column.active_record_class.human_attribute_name(text) : text), value]
end

#column_renders_as(column) ⇒ Object

Macro-level rendering decisions for columns



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 512

def column_renders_as(column)
  if column.respond_to? :each
    return :subsection
  elsif column.active_record_class.locking_column.to_s == column.name.to_s || column.form_ui == :hidden
    return :hidden
  elsif column.association.nil? || column.form_ui || !active_scaffold_config_for(column.association.klass).actions.include?(:subform) || override_form_field?(column)
    return :field
  else
    return :subform
  end
end

#column_scope(column, scope = nil, record = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 524

def column_scope(column, scope = nil, record = nil)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, call with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  if column.plural_association?
    "#{scope}[#{column.name}][#{record.id || generate_temporary_id(record)}]"
  else
    "#{scope}[#{column.name}]"
  end
end

#column_show_add_existing(column, record = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 217

def column_show_add_existing(column, record = nil)
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, call with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  (column.allow_add_existing && options_for_association_count(column.association, record) > 0)
end

#column_show_add_new(column, associated, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 223

def column_show_add_new(column, associated, record)
  value = (column.plural_association? && !column.readonly_association?) || column.singular_association?
  value &&= false unless column.association.klass.authorized_for?(:crud_type => :create)
  value
end

#current_form_columns(record, scope, subform_controller = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 120

def current_form_columns(record, scope, subform_controller = nil)
  if scope
    subform_controller.active_scaffold_config.subform.columns.names
  elsif [:new, :create, :edit, :update, :render_field].include? action_name.to_sym
    active_scaffold_config.send(record.new_record? ? :create : :update).columns.names
  end
end

#field_attributes(column, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 154

def field_attributes(column, record)
  {}
end

#form_attribute(column, record, scope = nil, only_value = false, col_class = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 170

def form_attribute(column, record, scope = nil, only_value = false, col_class = nil)
  column_options = active_scaffold_input_options(column, scope, :object => record)
  attributes = field_attributes(column, record)
  attributes[:class] = "#{attributes[:class]} #{col_class}" if col_class.present?
  field =
    if only_value
      content_tag(:span, get_column_value(record, column), column_options.except(:name, :object)) <<
      hidden_field(:record, column.association ? column.association.foreign_key : column.name, column_options)
    else
      active_scaffold_input_for column, scope, column_options
    end

  content_tag :dl, attributes do
    %(<dt>#{label_tag label_for(column, column_options), column.label}</dt><dd>#{field}
#{loading_indicator_tag(:action => :render_field, :id => params[:id]) if column.update_columns}
#{content_tag :span, column.description, :class => 'description' if column.description.present?}
</dd>).html_safe
  end
end

#form_hidden_attribute(column, record, scope = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 198

def form_hidden_attribute(column, record, scope = nil)
  %(<dl style="display: none;"><dt></dt><dd>
#{hidden_field :record, column.name, active_scaffold_input_options(column, scope).merge(:object => record)}
</dd></dl>).html_safe
end

#in_subform?(column, parent_record) ⇒ Boolean

Should this column be displayed in the subform?

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 205

def in_subform?(column, parent_record)
  return true unless column.association

  # Polymorphic associations can't appear because they *might* be the reverse association, and because you generally don't assign an association from the polymorphic side ... I think.
  return false if column.polymorphic_association?

  # A column shouldn't be in the subform if it's the reverse association to the parent
  return false if column.association.inverse_for?(parent_record.class)

  true
end

#label_for(column, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 190

def label_for(column, options)
  options[:id] unless column.form_ui == :select && column.plural_association?
end

#numerical_constraints_for_column(column, options) ⇒ Object

Try to get numerical constraints from model’s validators



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 559

def numerical_constraints_for_column(column, options)
  if column.numerical_constraints.nil?
    numerical_constraints = {}
    validators = column.active_record_class.validators.select do |v|
      v.is_a?(ActiveModel::Validations::NumericalityValidator) && v.attributes.include?(column.name)
    end
    equal_to = (val = validators.find { |v| v.options[:equal_to] }) ? val.options[:equal_to] : nil

    # If there is equal_to constraint - use it (unless otherwise specified by user)
    if equal_to && !(options[:min] || options[:max])
      numerical_constraints[:min] = numerical_constraints[:max] = equal_to
    else # find minimum and maximum from validators
      # we can safely modify :min and :max by 1 for :greater_tnan or :less_than value only for integer values
      only_integer = column.column.type == :integer if column.column
      only_integer ||= validators.find { |v| v.options[:only_integer] }.present?
      margin = only_integer ? 1 : 0

      # Minimum
      unless options[:min]
        min = validators.map { |v| v.options[:greater_than_or_equal] }.compact.max
        greater_than = validators.map { |v| v.options[:greater_than] }.compact.max
        numerical_constraints[:min] = [min, (greater_than + margin if greater_than)].compact.max
      end

      # Maximum
      unless options[:max]
        max = validators.map { |v| v.options[:less_than_or_equal] }.compact.min
        less_than = validators.map { |v| v.options[:less_than] }.compact.min
        numerical_constraints[:max] = [max, (less_than - margin if less_than)].compact.min
      end

      # Set step = 2 for column values restricted to be odd or even (but only if minimum is set)
      unless options[:step]
        only_odd_valid  = validators.any? { |v| v.options[:odd] }
        only_even_valid = validators.any? { |v| v.options[:even] } unless only_odd_valid
        if !only_integer
          numerical_constraints[:step] ||= "0.#{'0' * (column.column.scale - 1)}1" if column.column && column.column.scale.to_i > 0
        elsif options[:min] && options[:min].respond_to?(:even?) && (only_odd_valid || only_even_valid)
          numerical_constraints[:step] = 2
          numerical_constraints[:min] += 1 if only_odd_valid  && !options[:min].odd?
          numerical_constraints[:min] += 1 if only_even_valid && !options[:min].even?
        end
        numerical_constraints[:step] ||= 'any' unless only_integer
      end
    end

    column.numerical_constraints = numerical_constraints
  end
  column.numerical_constraints.merge(options)
end

#onsubmit ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 461

def onsubmit
end

#override_form_field(column) ⇒ Object Also known as: override_form_field? 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 487

def override_form_field(column)
  override_helper column, 'form_column'
end

#override_form_field_partial(column) ⇒ Object

the naming convention for overriding form fields with helpers



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 482

def override_form_field_partial(column)
  path = active_scaffold_controller_for(column.active_record_class).controller_path
  File.join(path, "#{clean_column_name(column.name)}_form_column")
end

#override_form_field_partial?(column) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 477

def override_form_field_partial?(column)
  template_exists?(override_form_field_partial(column), true)
end

#override_input(form_ui) ⇒ Object Also known as: override_input?

the naming convention for overriding form input types with helpers



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 493

def override_input(form_ui)
  method = "active_scaffold_input_#{form_ui}"
  method if respond_to? method
end

#override_subform_partial(column, subform_partial) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 473

def override_subform_partial(column, subform_partial)
  File.join(active_scaffold_controller_for(column.association.klass).controller_path, subform_partial) if column_renders_as(column) == :subform
end

#override_subform_partial?(column, subform_partial) ⇒ Boolean

add functionality for overriding subform partials from association class path

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 469

def override_subform_partial?(column, subform_partial)
  template_exists?(override_subform_partial(column, subform_partial), true)
end

#render_column(column, record, renders_as, scope = nil, only_value = false, col_class = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 158

def render_column(column, record, renders_as, scope = nil, only_value = false, col_class = nil)
  if override_form_field_partial?(column)
    render :partial => override_form_field_partial(column), :locals => {:column => column, :only_value => only_value, :scope => scope, :col_class => col_class, :record => record}
  elsif renders_as == :field || override_form_field?(column)
    form_attribute(column, record, scope, only_value, col_class)
  elsif renders_as == :subform
    render :partial => 'form_association', :locals => {:column => column, :scope => scope, :parent_record => record}
  else
    form_hidden_attribute(column, record, scope)
  end
end

#subform_label(column, hidden) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 194

def subform_label(column, hidden)
  column.label unless hidden
end

#subform_partial_for_column(column) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 499

def subform_partial_for_column(column)
  subform_partial = "#{active_scaffold_config_for(column.association.klass).subform.layout}_subform"
  if override_subform_partial?(column, subform_partial)
    override_subform_partial(column, subform_partial)
  else
    subform_partial
  end
end

#update_columns_options(column, scope, options, force = false) ⇒ Object 



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# File 'lib/active_scaffold/helpers/form_column_helpers.rb', line 128

def update_columns_options(column, scope, options, force = false)
  record = options[:object]
  ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include :object in options with record.', caller if record.nil? # TODO: Remove when relying on @record is removed
  record ||= @record # TODO: Remove when relying on @record is removed
  subform_controller = controller.class.active_scaffold_controller_for(record.class) if scope
  form_columns = @main_columns.try(:names) if scope.nil? || subform_controller == controller.class
  form_columns ||= current_form_columns(record, scope, subform_controller)
  if force || (form_columns && column.update_columns && (column.update_columns & form_columns).present?)
    url_params = params_for(:action => 'render_field', :column => column.name, :id => record.to_param)
    url_params = url_params.except(:parent_scaffold, :association, nested.param_name) if nested? && scope
    url_params[:eid] = params[:eid] if params[:eid]
    if scope
      url_params[:parent_controller] ||= url_params[:controller].gsub(/^\//, '')
      url_params[:controller] = subform_controller.controller_path
      url_params[:scope] = scope
      url_params[:parent_id] = params[:parent_id] || params[:id]
    end

    options[:class] = "#{options[:class]} update_form".strip
    options['data-update_url'] = url_for(url_params.merge(:_added => nil, :_removed => nil))
    options['data-update_send_form'] = column.send_form_on_update_column
    options['data-update_send_form_selector'] = column.options[:send_form_selector] if column.options[:send_form_selector]
  end
  options
end