app/inputs/file_picker_input.rb
# Returns a file upload input tag for a given block, along with label and instructions.
#
# @param [Symbol] method The name of the model this form upload is associated with
# @param [Hash] options
# @option options [String] :label (method) If no label is specified, the human readable name for method will be used.
# @option options [String] :hint (blank) Helpful tips for the person entering the field, appears blank if nothing is specified.
class FilePickerInput < SimpleForm::Inputs::Base
def input(_wrapper_options = nil)
# New blocks will not have their attachments created yet.
object.ensure_attachment_exists if object.respond_to?(:ensure_attachment_exists)
# Need to explictly use correct id (i.e. image_block_file) rather than the autogenerated one (i.e. image_block_attachments_attributes_0_attachment_name)
# Otherwise <label for=""/> won't be right.
tag = ActionView::Helpers::Tags::Base.new(object_name, attribute_name, template, options)
tag_id = tag.send(:tag_id)
html = ""
if render_section_picker?
sections = sections_with_full_paths
sections.each do |s|
html << template.content_tag(:span, "", {:class => "section_id_map", style: 'display: hidden', :data => {:id => s.id, :path => s.prependable_path}})
end
end
@builder.simple_fields_for :attachments do |a|
if matching_attachment?(a)
html << a.hidden_field("attachment_name", value: attribute_name.to_s)
html << a.file_field(:data, input_html_options.merge('data-purpose' => "cms_file_field", id: tag_id))
html << a.hint(options.delete(:hint)) if has_hint?
if render_section_picker?
html << a.input(:section_id, collection: sections, label_method: :full_path, include_blank: false, label: "Section", wrapper_html: {class: "inline-section-picker"}, input_html: {'data-purpose' => "section_selector"})
end
if render_path_input?
klass = object.new_record? ? "suggest_file_path" : "keep_existing_path"
html << a.input(:data_file_path, label: "Path", wrapper_html: {class: "inline-path"}, input_html: {class: klass})
end
end
html << a.input(:id, as: :hidden, wrapper: false)
end
html.html_safe
end
protected
# @override Find errors on attachments rather than the provide attribute name.
def errors_on_attribute
object.errors[:attachment]
end
# Because #attachments holds ALL attachments by all names, need to verify we only render one form control for each one.
def matching_attachment?(a)
a.object.attachment_name == attribute_name.to_s
end
def render_path_input?
object.respond_to?(:set_attachment_path)
end
def render_section_picker?
object.respond_to?(:set_attachment_section)
end
def sections_with_full_paths
root = Cms::Section.root.first
root.full_path = root.name
sections = []
sections << root
sections += root.master_section_list
sections.each { |s| s.full_path = "/" + s.full_path unless s == root }
sections
end
end