Module: SampleFilter::ActionViewExtension

Defined in:
lib/sample_filter/action_view_extension.rb

Constant Summary collapse

FORM_DEFAULT_AS = 
:sample_filter
TRANSLATE_PREFIX = 
'sample_filter'

Instance Method Summary collapse

Instance Method Details

#form_for_filter(filter_class, options = {}, &block) ⇒ Object 



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# File 'lib/sample_filter/action_view_extension.rb', line 6

def form_for_filter(filter_class, options = {}, &block)
  options[:as] ||= FORM_DEFAULT_AS
  options[:block] ||= :after
  options[:html] ||= {}
  options[:html][:method] ||= :get
  options[:html][:id] ||= :sample_filter
  options[:url] ||= url_for(
    :controller => controller.controller_name,
    :action => controller.action_name
  )

  filter_params_set = filter_class.filter_params_set
  filter_params_set.update_attributes(params[options[:as]])

  prefix = filter_class.to_s.underscore
  content_tag :div, id: 'sample-filter__wrap' do
    form_for(filter_params_set, options) do |form|
      buffer = ActiveSupport::SafeBuffer.new
      buffer << capture(&block) if block_given? && options[:block].eql?(:before)
      filter_params_set.fields.each do |field|
        buffer <<
          if filter_params_set.hidden_input?(field)
            form.hidden_field field
          else
            type = filter_params_set.type_of(field)
            content_tag(:div, class: "sample-filter__form-item #{field}") do
              content_tag(:div, form.label(field, sft(prefix, :fields, field)), class: 'sample-filter__form-label') +
              content_tag(:div, send("#{type}_tag", form, prefix, filter_params_set, field), class: 'sample-filter__form-input-wrap')
            end
          end
      end
      buffer << capture(&block) if block_given? && options[:block].eql?(:after)
      buffer + action_buttons(prefix)
    end
  end
end

#sort_link(filter_class, sorting_field, form_as = FORM_DEFAULT_AS) ⇒ Object 



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# File 'lib/sample_filter/action_view_extension.rb', line 43

def sort_link(filter_class, sorting_field, form_as = FORM_DEFAULT_AS)
  sorting_field = sorting_field.to_s
  filter_params_set = filter_class.filter_params_set
  sorting_key = filter_params_set.sorting_key
  values = filter_params_set.values_for(sorting_key)
  return unless values.include?(sorting_field)

  default_value = filter_params_set.default_value_for(sorting_key)
  query_param = params[form_as]
  if query_param && query_param[sorting_key]
    query_param_sort_key = query_param[sorting_key][/\A(.*)_(asc|desc)\z/, 1]
    param_set = params.require(form_as).permit!
    if query_param_sort_key == sorting_field
      sort_direction = query_param[sorting_key][/\A(.*)_(asc|desc)\z/, 2]
      if sort_direction == 'asc'
        link_to('', url_for(form_as => param_set.merge({sorting_key => "#{sorting_field}_desc"})), class: 'sample_filter__sort_link asc')
      else
        link_to('', url_for(form_as => param_set.merge({sorting_key => "#{sorting_field}_asc"})), class: 'sample_filter__sort_link desc')
      end
    else
      link_to('', url_for(form_as => param_set.merge({sorting_key => "#{sorting_field}_desc"})), class: 'sample_filter__sort_link neutral')
    end
  else
    default_field = default_value[/\A(.*)_(asc|desc)\z/, 1] if default_value
    if sorting_field == default_field
      sort_direction = default_value[/\A(.*)_(asc|desc)\z/, 2]
      if sort_direction == 'asc'
        link_to('', url_for(form_as => {sorting_key => "#{sorting_field}_desc"}), class: 'sample_filter__sort_link asc')
      else
        link_to('', url_for(form_as => {sorting_key => "#{sorting_field}_asc"}), class: 'sample_filter__sort_link desc')
      end
    else
      link_to('', url_for(form_as => {sorting_key => "#{sorting_field}_desc"}), class: 'sample_filter__sort_link neutral')
    end
  end
end