diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/url_helper.rb')
| -rw-r--r-- | actionview/lib/action_view/helpers/url_helper.rb | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/actionview/lib/action_view/helpers/url_helper.rb b/actionview/lib/action_view/helpers/url_helper.rb index 3a4561a083..ab67923376 100644 --- a/actionview/lib/action_view/helpers/url_helper.rb +++ b/actionview/lib/action_view/helpers/url_helper.rb @@ -312,7 +312,8 @@ module ActionView form_options[:'data-remote'] = true if remote request_token_tag = if form_method == 'post' - token_tag(nil, form_options: form_options) + request_method = method.empty? ? 'post' : method + token_tag(nil, form_options: { action: url, method: request_method }) else '' end @@ -329,8 +330,8 @@ module ActionView inner_tags = method_tag.safe_concat(button).safe_concat(request_token_tag) if params - params.each do |param_name, value| - inner_tags.safe_concat tag(:input, type: "hidden", name: param_name, value: value.to_param) + to_form_params(params).each do |param| + inner_tags.safe_concat tag(:input, type: "hidden", name: param[:name], value: param[:value]) end end content_tag('form', inner_tags, form_options) @@ -595,6 +596,42 @@ module ActionView def method_tag(method) tag('input', type: 'hidden', name: '_method', value: method.to_s) end + + # Returns an array of hashes each containing :name and :value keys + # suitable for use as the names and values of form input fields: + # + # to_form_params(name: 'David', nationality: 'Danish') + # # => [{name: :name, value: 'David'}, {name: 'nationality', value: 'Danish'}] + # + # to_form_params(country: {name: 'Denmark'}) + # # => [{name: 'country[name]', value: 'Denmark'}] + # + # to_form_params(countries: ['Denmark', 'Sweden']}) + # # => [{name: 'countries[]', value: 'Denmark'}, {name: 'countries[]', value: 'Sweden'}] + # + # An optional namespace can be passed to enclose key names: + # + # to_form_params({ name: 'Denmark' }, 'country') + # # => [{name: 'country[name]', value: 'Denmark'}] + def to_form_params(attribute, namespace = nil) # :nodoc: + params = [] + case attribute + when Hash + attribute.each do |key, value| + prefix = namespace ? "#{namespace}[#{key}]" : key + params.push(*to_form_params(value, prefix)) + end + when Array + array_prefix = "#{namespace}[]" + attribute.each do |value| + params.push(*to_form_params(value, array_prefix)) + end + else + params << { name: namespace, value: attribute.to_param } + end + + params.sort_by { |pair| pair[:name] } + end end end end |