module ActiveScaffold::Helpers::FormColumnHelpers

Helpers that assist with the rendering of a Form Column

Helpers that assist with the rendering of a Form Column

Public Instance Methods

active_scaffold_add_existing_input(options) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 424
def active_scaffold_add_existing_input(options)
  if ActiveScaffold.js_framework == :prototype && 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)
    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() click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 438
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 230
def active_scaffold_checkbox_list(column, select_options, associated_ids, options)
  html = hidden_field_tag("#{options[:name]}[]", '', :id => nil)
  html << content_tag(:ul, :class => "#{options[:class]} checkbox-list", :id => options[:id]) do
    content = ''.html_safe
    select_options.each_with_index do |option, i|
      label, id = option
      this_id = "#{options[:id]}_#{i}_id"
      content << content_tag(:li) do 
        check_box_tag("#{options[:name]}[]", id, associated_ids.include?(id), :id => this_id) <<
        content_tag(:label, h(label), :for => this_id)
      end
    end
    content
  end
  html << javascript_tag("ActiveScaffold.draggable_lists('#{options[:id]}')") if column.options[:draggable_lists]
  html
end
active_scaffold_enum_options(column) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 253
def active_scaffold_enum_options(column)
  column.options[:options]
end
active_scaffold_grouped_options(column, select_options, optgroup) click to toggle source

Form input methods

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 184
def active_scaffold_grouped_options(column, select_options, optgroup)
  group_label = active_scaffold_config_for(column.association.klass).columns[optgroup].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.to_label, r.id]}]
  end
end
active_scaffold_input_boolean(column, options) click to toggle source

Column.type-based inputs

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 343
def active_scaffold_input_boolean(column, options)
  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) click to toggle source
# File lib/active_scaffold/bridges/carrierwave/form_ui.rb, line 4
def active_scaffold_input_carrierwave(column, options)
  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'
    }

    if ActiveScaffold.js_framework == :jquery
      js_remove_file_code = "$(this).prev('input#remove_#{options[:id]}').val('true'); $(this).parent().hide().next().show(); return false;";
      js_dont_remove_file_code = "$(this).parents('div.carrierwave_controls').find('input#remove_#{options[:id]}').val('false'); return false;";
    else
      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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 286
def active_scaffold_input_checkbox(column, options)
  check_box(:record, column.name, options.merge(column.options))
end
active_scaffold_input_dragonfly(column, options) click to toggle source
# File lib/active_scaffold/bridges/dragonfly/form_ui.rb, line 4
def active_scaffold_input_dragonfly(column, options)
  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?
    if ActiveScaffold.js_framework == :jquery
      js_remove_file_code = "$(this).prev().val('true'); $(this).parent().hide().next().show(); return false;";
    else
      js_remove_file_code = "$(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) click to toggle source

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

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 308
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 257
def active_scaffold_input_enum(column, html_options)
  options = { :selected => @record.send(column.name), :object => html_options.delete(:object) }
  options_for_select = active_scaffold_enum_options(column).collect do |text, value|
    active_scaffold_translated_option(column, text, value)
  end
  html_options.update(column.options[:html_options] || {})
  options.update(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) click to toggle source
# File lib/active_scaffold/bridges/file_column/form_ui.rb, line 5
def active_scaffold_input_file_column(column, options)
 if @record.send(column.name) 
    # we already have a value? display the form for deletion.
    if ActiveScaffold.js_framework == :jquery
      remove_file_js = "$(this).prev().val('true'); $(this).parent().hide().next().show(); return false;";
    else
      remove_file_js = "$(this).previous().value='true'; p=$(this).up(); p.hide(); p.next().show(); return false;";
    end            
    
    hidden_options = options.dup
    hidden_options[:id] += '_delete'
    hidden_options[:name].sub!("[#{column.name}]", "[delete_#{column.name}]")
    hidden_options[:value] = 'false'          
    custom_hidden_field_tag = hidden_field(:record, column.name, hidden_options)

    content_tag(:div) do
      content_tag(:div) do
        content = get_column_value(@record, column) + " #{custom_hidden_field_tag} | ".html_safe
        content += content_tag(:a, as_(:remove_file), {:href => '#', :onclick => remove_file_js})
        content += 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) click to toggle source

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.

# 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) click to toggle source

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

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 326
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 = {}) click to toggle source

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

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 88
def active_scaffold_input_options(column, scope = nil, options = {})
  name = scope ? "record#{scope}[#{column.name}]" : "record[#{column.name}]"

  # Add some HTML5 attributes for in-browser validation and better user experience
  if column.required? && (!@disable_required_for_new || scope.nil? || @record.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) click to toggle source
# File lib/active_scaffold/bridges/paperclip/form_ui.rb, line 4
def active_scaffold_input_paperclip(column, options)
  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?
    if ActiveScaffold.js_framework == :jquery
      js_remove_file_code = "$(this).prev().val('true'); $(this).parent().hide().next().show(); return false;";
    else
      js_remove_file_code = "$(this).previous().value='true'; $(this).up().hide().next().show(); return false;";
    end
    
    content = active_scaffold_column_paperclip(@record, column)
    content_tag(:div,
      content + " | " +
        hidden_field(:record, "delete_#{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_password(column, options) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 290
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 223
def active_scaffold_input_plural_association(column, options)
  associated_options, select_options = active_scaffold_plural_association_options(column)
  return content_tag(:span, as_(:no_options), :class => options[:class], :id => options[:id]) if select_options.empty?

  active_scaffold_checkbox_list(column, select_options.collect {|r| [r.to_label, r.id]}, associated_options.collect(&:id), options)
end
active_scaffold_input_radio(column, html_options) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 278
def active_scaffold_input_radio(column, html_options)
  html_options.update(column.options[:html_options] || {})
  column.options[:options].inject('') do |html, (text, value)|
    text, value = active_scaffold_translated_option(column, text, value)
    html << content_tag(:label, radio_button(:record, column.name, value, html_options.merge(:id => html_options[:id] + '-' + value.to_s)) + text)
  end.html_safe
end
active_scaffold_input_range(column, options) click to toggle source

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

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 333
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 268
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 197
def active_scaffold_input_singular_association(column, html_options)
  associated = @record.send(column.association.name)

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

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

  html_options.update(column.options[:html_options] || {})
  options.update(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)

  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, :to_label, options, html_options)
  end
end
active_scaffold_input_telephone(column, options) click to toggle source

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

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 320
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 = {}) click to toggle source

the standard active scaffold options used for textual inputs

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 81
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 295
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) click to toggle source

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

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 314
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 299
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 218
def active_scaffold_plural_association_options(column)
  associated_options = @record.send(column.association.name)
  [associated_options, associated_options | sorted_association_options_find(column.association)]
end
active_scaffold_render_input(column, options) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 13
def active_scaffold_render_input(column, options)
  begin
    # first, check if the dev has created an override for this specific field
    if (method = override_form_field(column))
      send(method, options[:object] || @record, options)
    # second, check if the dev has specified a valid form_ui for this column
    elsif column.form_ui and (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((options[:object] || @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] ||= ActionView::Helpers::InstanceTag::DEFAULT_FIELD_OPTIONS["size"]
          end
          options[:include_blank] = true if column.column.null and [:date, :datetime, :time].include?(column.column.type)
          options[:value] = format_number_value((options[:object] || @record).send(column.name), column.options) if column.number?
          text_field(:record, column.name, options.merge(column.options))
        end
      end
    end
  rescue Exception => e
    logger.error Time.now.to_s + "#{e.inspect} -- on the ActiveScaffold column = :#{column.name} in #{controller.class}"
    raise e
  end
end
active_scaffold_render_subform_column(column, scope, crud_type, readonly, add_class = false, record = nil) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 60
def active_scaffold_render_subform_column(column, scope, crud_type, readonly, add_class = false, record = nil)
  Rails.logger.warn "Relying on @record is deprecated, call active_scaffold_render_subform_column with record. Called from #{caller.first.gsub(/(.*:\d+):.*/, '\1')}" 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
  unless readonly and not record.new_record? or not record.authorized_for?(:crud_type => crud_type, :column => column.name)
    render_column(column, record, column_renders_as(column), scope, false, col_class)
  else
    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
  end
end
active_scaffold_translate_select_options(options) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 191
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 248
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) click to toggle source

Macro-level rendering decisions for columns

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 403
def column_renders_as(column)
  if column.is_a? ActiveScaffold::DataStructures::ActionColumns
    return :subsection
  elsif column.active_record_class.locking_column.to_s == column.name.to_s or column.form_ui == :hidden
    return :hidden
  elsif column.association.nil? or column.form_ui or !active_scaffold_config_for(column.association.klass).actions.include?(:subform) or override_form_field?(column)
    return :field
  else
    return :subform
  end
end
column_scope(column, scope = nil, record = nil) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 415
def column_scope(column, scope = nil, record = nil)
  Rails.logger.warn "Relying on @record is deprecated, call column_scope with record. Called from #{caller.first.gsub(/(.*:\d+):.*/, '\1')}" if record.nil? # TODO Remove when relying on @record is removed
  if column.plural_association?
    "#{scope}[#{column.name}][#{record.id || generate_temporary_id}]"
  else
    "#{scope}[#{column.name}]"
  end
end
field_attributes(column, record) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 135
def field_attributes(column, record)
  {}
end
form_attribute(column, record, scope = nil, only_value = false, col_class = nil) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 151
      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 = unless only_value
          active_scaffold_input_for column, scope, column_options
        else
          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)
        end
        
        content_tag :dl, attributes do
          %Q<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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 174
      def form_hidden_attribute(column, record, scope = nil)
        %Q<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
label_for(column, options) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 170
def label_for(column, options)
  options[:id] unless column.form_ui == :select && column.plural_association?
end
numerical_constraints_for_column(column, options) click to toggle source

Try to get numerical constraints from model's validators

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 447
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 and v.attributes.include? column.name
    end
    equal_to = (v = validators.find{ |v| v.options[:equal_to] }) ? v.options[:equal_to] : nil
    
    # If there is equal_to constraint - use it (unless otherwise specified by user)
    if equal_to and not (options[:min] or 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] }
      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] and options[:min].respond_to? :even? and (only_odd_valid or only_even_valid)
          numerical_constraints[:step] = 2
          numerical_constraints[:min] += 1 if only_odd_valid  and not options[:min].odd?
          numerical_constraints[:min] += 1 if only_even_valid and not options[:min].even?
        end
        numerical_constraints[:step] ||= 'any' unless only_integer
      end
    end
    
    column.numerical_constraints = numerical_constraints
  end
  return column.numerical_constraints.merge(options)
end
onsubmit() click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 352
def onsubmit
end
override_form_field(column) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 378
def override_form_field(column)
  override_helper column, 'form_column'
end
Also aliased as: override_form_field?
override_form_field?(column) click to toggle source
Alias for: override_form_field
override_form_field_partial(column) click to toggle source

the naming convention for overriding form fields with helpers

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 373
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 368
def override_form_field_partial?(column)
  template_exists?(override_form_field_partial(column), true)
end
override_input(form_ui) click to toggle source

the naming convention for overriding form input types with helpers

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 384
def override_input(form_ui)
  method = "active_scaffold_input_#{form_ui}"
  method if respond_to? method
end
Also aliased as: override_input?
override_input?(form_ui) click to toggle source
Alias for: override_input
override_subform_partial(column, subform_partial) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 364
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) click to toggle source

add functionality for overriding subform partials from association class path

# File lib/active_scaffold/helpers/form_column_helpers.rb, line 360
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 139
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_partial_for_column(column) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 390
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) click to toggle source
# File lib/active_scaffold/helpers/form_column_helpers.rb, line 107
def update_columns_options(column, scope, options)
  record = options[:object]
  Rails.logger.warn "Relying on @record is deprecated, call update_columns_options with record. Called from #{caller.first.gsub(/(.*:\d+):.*/, '\1')}" if record.nil? # TODO Remove when relying on @record is removed
  record ||= @record # TODO Remove when relying on @record is removed
  form_action = if scope
    subform_controller = controller.class.active_scaffold_controller_for(record.class)
    subform_controller.active_scaffold_config.subform
  elsif [:new, :create, :edit, :update, :render_field].include? params[:action].to_sym
    active_scaffold_config.send(record.new_record? ? :create : :update)
  end
  if form_action && column.update_columns && (column.update_columns & form_action.columns.names).present?
    url_params = params_for(:action => 'render_field', :column => column.name, :id => record.id)
    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[: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)
    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