Module: SimpleAttachments::ViewHelpers

Defined in:
lib/simple_attachments/view_helpers.rb

Defined Under Namespace

Modules: FormHelper, TagHelper

Class Method Summary collapse

Class Method Details

.helper(type, template, object, object_name, method, options) ⇒ Object

Create div with attachments.

Allowed options

[:text] Text in the add button. [nil] [:id] Main div id. [nil] [:can_destroy] Show destroy link. [true] [:can_create] Show add button. [true] [:readonly] Sets default values for :can_destroy and :can_create. [false] [:destroy_remote] Destroy the attachment on the server after clicking the destroy link. [true] [:auto_associate] Associate uploaded file with container at once. Also sets default value for :destroy_remote. [true]

You can also specify any other options and then access them from JavaScript code.



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# File 'lib/simple_attachments/view_helpers.rb', line 18

def self.helper(type, template, object, object_name, method, options)
  text = options.delete :text
  id = options.delete :id
  options[:readonly] = false if options[:readonly].nil?
  options[:can_destroy] ||= !options[:readonly]
  options[:can_create] ||= !options[:readonly]
  options.delete :readonly
  options[:auto_associate] ||= true if options[:auto_associate].nil?
  container_id = (options[:auto_associate] ? object.id : nil)
  options[:destroy_remote] ||= options[:auto_associate]
  options.delete :auto_associate
  attached = object.send(method)
  if attached.is_a? Array
    attached = attached.map{|a| a.serializable_hash}
  else
    attached = attached.serializable_hash unless attached.nil?
  end
  attachments_path = template.send object.class.reflections[method].class_name.pluralize.underscore.concat('_path')
  template.content_tag(:div,
                        template.content_tag(:div, text, :class => 'simple_attachments_add_file_div'),
                        :class => "simple_attachments_div simple_attachments_#{type}_div",
                        :id => id,
                        :data => {:container_model => object_name,
                                  :container_id => container_id,
                                  :method => method,
                                  :attachments_path => attachments_path, 
                                  :attached => attached.to_json,
                                  :options => options.to_json
                                }
                      )
end