diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/form_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_helper.rb | 64 |
1 files changed, 56 insertions, 8 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb index f148ffbd73..5a301ca9b1 100644 --- a/actionpack/lib/action_view/helpers/form_helper.rb +++ b/actionpack/lib/action_view/helpers/form_helper.rb @@ -2,9 +2,9 @@ require 'cgi' require 'action_view/helpers/date_helper' require 'action_view/helpers/tag_helper' require 'action_view/helpers/form_tag_helper' +require 'action_view/helpers/active_model_helper' require 'active_support/core_ext/class/attribute' require 'active_support/core_ext/hash/slice' -require 'active_support/core_ext/module/method_names' require 'active_support/core_ext/object/blank' require 'active_support/core_ext/string/output_safety' require 'active_support/core_ext/array/extract_options' @@ -158,6 +158,9 @@ module ActionView # * <tt>:url</tt> - The URL the form is submitted to. It takes the same # fields you pass to +url_for+ or +link_to+. In particular you may pass # here a named route directly as well. Defaults to the current action. + # * <tt>:namespace</tt> - A namespace for your form to ensure uniqueness of + # id attributes on form elements. The namespace attribute will be prefixed + # with underscore on the generated HTML id. # * <tt>:html</tt> - Optional HTML attributes for the form tag. # # Also note that +form_for+ doesn't create an exclusive scope. It's still @@ -384,8 +387,8 @@ module ActionView as = options[:as] action, method = object.respond_to?(:persisted?) && object.persisted? ? [:edit, :put] : [:new, :post] options[:html].reverse_merge!( - :class => as ? "#{as}_#{action}" : dom_class(object, action), - :id => as ? "#{as}_#{action}" : dom_id(object, action), + :class => as ? "#{action}_#{as}" : dom_class(object, action), + :id => as ? "#{action}_#{as}" : [options[:namespace], dom_id(object, action)].compact.join("_").presence, :method => method ) @@ -960,7 +963,7 @@ module ActionView end class InstanceTag - include Helpers::CaptureHelper, Context, Helpers::TagHelper, Helpers::FormTagHelper + include Helpers::ActiveModelInstanceTag, Helpers::TagHelper, Helpers::FormTagHelper attr_reader :object, :method_name, :object_name @@ -971,6 +974,7 @@ module ActionView def initialize(object_name, method_name, template_object, object = nil) @object_name, @method_name = object_name.to_s.dup, method_name.to_s.dup @template_object = template_object + @object_name.sub!(/\[\]$/,"") || @object_name.sub!(/\[\]\]$/,"]") @object = retrieve_object(object) @auto_index = retrieve_autoindex(Regexp.last_match.pre_match) if Regexp.last_match @@ -989,14 +993,23 @@ module ActionView add_default_name_and_id_for_value(tag_value, name_and_id) options.delete("index") + options.delete("namespace") options["for"] ||= name_and_id["id"] if block_given? - label_tag(name_and_id["id"], options, &block) + @template_object.label_tag(name_and_id["id"], options, &block) else content = if text.blank? + object_name.gsub!(/\[(.*)_attributes\]\[\d\]/, '.\1') method_and_value = tag_value.present? ? "#{method_name}.#{tag_value}" : method_name - I18n.t("helpers.label.#{object_name}.#{method_and_value}", :default => "").presence + + if object.respond_to?(:to_model) + key = object.class.model_name.i18n_key + i18n_default = ["#{key}.#{method_and_value}".to_sym, ""] + end + + i18n_default ||= "" + I18n.t("#{object_name}.#{method_and_value}", :default => i18n_default, :scope => "helpers.label").presence else text.to_s end @@ -1187,6 +1200,7 @@ module ActionView options["name"] ||= tag_name + (options['multiple'] ? '[]' : '') options["id"] = options.fetch("id"){ tag_id } end + options["id"] = [options.delete('namespace'), options["id"]].compact.join("_").presence end def tag_name @@ -1217,7 +1231,7 @@ module ActionView class FormBuilder # The methods which wrap a form helper call. class_attribute :field_helpers - self.field_helpers = FormHelper.instance_method_names - %w(form_for convert_to_model) + self.field_helpers = FormHelper.instance_methods - [:form_for, :convert_to_model] attr_accessor :object_name, :object, :options @@ -1245,7 +1259,7 @@ module ActionView @nested_child_index = {} @object_name, @object, @template, @options, @proc = object_name, object, template, options, proc @parent_builder = options[:parent_builder] - @default_options = @options ? @options.slice(:index) : {} + @default_options = @options ? @options.slice(:index, :namespace) : {} if @object_name.to_s.match(/\[\]$/) if object ||= @template.instance_variable_get("@#{Regexp.last_match.pre_match}") and object.respond_to?(:to_param) @auto_index = object.to_param @@ -1272,6 +1286,7 @@ module ActionView fields_options, record_object = record_object, nil if record_object.is_a?(Hash) && record_object.extractable_options? fields_options[:builder] ||= options[:builder] fields_options[:parent_builder] = self + fields_options[:namespace] = fields_options[:parent_builder].options[:namespace] case record_name when String, Symbol @@ -1349,6 +1364,39 @@ module ActionView @template.submit_tag(value, options) end + # Add the submit button for the given form. When no value is given, it checks + # if the object is a new resource or not to create the proper label: + # + # <%= form_for @post do |f| %> + # <%= f.button %> + # <% end %> + # + # In the example above, if @post is a new record, it will use "Create Post" as + # submit button label, otherwise, it uses "Update Post". + # + # Those labels can be customized using I18n, under the helpers.submit key and accept + # the %{model} as translation interpolation: + # + # en: + # helpers: + # button: + # create: "Create a %{model}" + # update: "Confirm changes to %{model}" + # + # It also searches for a key specific for the given object: + # + # en: + # helpers: + # button: + # post: + # create: "Add %{model}" + # + def button(value=nil, options={}) + value, options = nil, value if value.is_a?(Hash) + value ||= submit_default_value + @template.button_tag(value, options) + end + def emitted_hidden_id? @emitted_hidden_id ||= nil end |