Method: RecordSelectHelper#record_multi_select_field

Defined in:
lib/record_select/helpers/record_select_helper.rb

#record_multi_select_field(name, current, options = {}) ⇒ Object

Adds a RecordSelect-based form field for multiple selections. The values submit using a list of hidden inputs.

Arguments

name

the input name that will be used to submit the selected records’ ids. empty brackets will be appended to the name.

current

pass a collection of existing associated records

Options

controller

The controller configured to provide the result set.

params

A hash of extra URL parameters

id

The id to use for the input. Defaults based on the input’s name.



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# File 'lib/record_select/helpers/record_select_helper.rb', line 118

def record_multi_select_field(name, current, options = {})
  options[:controller] ||= current.first.class.to_s.pluralize.underscore
  options[:params] ||= {}
  options[:id] ||= name.gsub(/[\[\]]/, '_')
  options[:class] ||= ''
  options[:class] << ' recordselect'
  options.delete(:name)

  controller = assert_controller_responds(options.delete(:controller))
  params = options.delete(:params)
  record_select_options = {}
  record_select_options[:current] = current.inject([]) { |memo, record| memo.push({:id => record.id, :label => label_for_field(record, controller)}) }

  html = text_field_tag("#{name}[]", nil, options.merge(:autocomplete => 'off', :onfocus => "this.focused=true", :onblur => "this.focused=false"))
  html << content_tag('ul', '', :class => 'record-select-list');

  # js identifier so we can talk to it.
  widget = "rs_%s" % name.gsub(/[\[\]]/, '_').chomp('_')
  url = url_for({:action => :browse, :controller => controller.controller_path, :escape => false}.merge(params))
  html << javascript_tag("#{widget} = new RecordSelect.Multiple(#{options[:id].to_json}, #{url.to_json}, #{record_select_options.to_json});")

  return html
end