Module: Harbor::ViewContext::Helpers::Form

Included in:
Harbor::ViewContext
Defined in:
lib/harbor/view_context/helpers/form.rb

Instance Method Summary collapse

Instance Method Details

#form(action, options = {}, &block) ⇒ Object

Form helper which abstracts away setting necessary information:

1. If no enctype is passed, and a file input is found, uses
   multipart/form-data.
2. Creates a hidden input for setting _method when method option
   is put or delete.



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# File 'lib/harbor/view_context/helpers/form.rb', line 10

def form(action, options = {}, &block)
  method = options.delete(:method) || :post

  get = method == :get
  post = method == :post

  body = capture(&block)

  enctype = options.delete(:enctype) || (body =~ /\<input[^>]+?type\=["']file["']/ ? "multipart/form-data" : nil)

  with_buffer(block) do |buffer|
    buffer << "<form action=\"#{action}\" method=\"#{get ? "get" : "post"}\""
    buffer << " enctype=\"#{enctype}\"" if enctype
    buffer << " #{options.map { |k, v| "#{k}=\"#{v}\"" }.join(" ")}" unless options.empty?
    buffer << ">\n"

    unless get || post
      buffer << "  <input type=\"hidden\" name=\"_method\" value=\"#{method}\">\n"
    end

    buffer << body
    buffer << "</form>\n"
  end
end