diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/form_options_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_options_helper.rb | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/actionpack/lib/action_view/helpers/form_options_helper.rb b/actionpack/lib/action_view/helpers/form_options_helper.rb index cafcd93f58..52eb1aa447 100644 --- a/actionpack/lib/action_view/helpers/form_options_helper.rb +++ b/actionpack/lib/action_view/helpers/form_options_helper.rb @@ -264,7 +264,6 @@ module ActionView # Finally, this method supports a <tt>:default</tt> option, which selects # a default ActiveSupport::TimeZone if the object's time zone is +nil+. # - # Examples: # time_zone_select( "user", "time_zone", nil, :include_blank => true) # # time_zone_select( "user", "time_zone", nil, :default => "Pacific Time (US & Canada)" ) @@ -461,8 +460,11 @@ module ActionView # * +selected_key+ - A value equal to the +value+ attribute for one of the <tt><option></tt> tags, # which will have the +selected+ attribute set. Note: It is possible for this value to match multiple options # as you might have the same option in multiple groups. Each will then get <tt>selected="selected"</tt>. - # * +prompt+ - set to true or a prompt string. When the select element doesn't have a value yet, this + # + # Options: + # * <tt>:prompt</tt> - set to true or a prompt string. When the select element doesn't have a value yet, this # prepends an option with a generic prompt - "Please select" - or the given prompt string. + # * <tt>:divider</tt> - the divider for the options groups. # # Sample usage (Array): # grouped_options = [ @@ -491,15 +493,51 @@ module ActionView # <option value="Canada">Canada</option> # </optgroup> # + # Sample usage (divider): + # grouped_options = [ + # [['United States','US'], 'Canada'], + # ['Denmark','Germany','France'] + # ] + # grouped_options_for_select(grouped_options, divider: '---------') + # + # Possible output: + # <optgroup label="---------"> + # <option value="Denmark">Denmark</option> + # <option value="Germany">Germany</option> + # <option value="France">France</option> + # </optgroup> + # <optgroup label="---------"> + # <option value="US">United States</option> + # <option value="Canada">Canada</option> + # </optgroup> + # # <b>Note:</b> Only the <tt><optgroup></tt> and <tt><option></tt> tags are returned, so you still have to # wrap the output in an appropriate <tt><select></tt> tag. - def grouped_options_for_select(grouped_options, selected_key = nil, prompt = nil) + def grouped_options_for_select(*args) + grouped_options = args.shift + options = args.extract_options! + selected_key = args.shift + if prompt = args.shift + ActiveSupport::Deprecation.warn 'Passing the prompt to grouped_options_for_select as an argument is deprecated. Please pass it in an options hash.' + else + prompt = options[:prompt] + divider = options[:divider] + end + body = "".html_safe - body.safe_concat content_tag(:option, prompt, :value => "") if prompt + + if prompt + body.safe_concat content_tag(:option, prompt_text(prompt), :value => "") + end grouped_options = grouped_options.sort if grouped_options.is_a?(Hash) - grouped_options.each do |label, container| + grouped_options.each do |container| + if divider + label, container = divider, container + else + label, container = container + end body.safe_concat content_tag(:optgroup, options_for_select(container, selected_key), :label => label) end @@ -715,6 +753,10 @@ module ActionView def value_for_collection(item, value) value.respond_to?(:call) ? value.call(item) : item.send(value) end + + def prompt_text(prompt) + prompt = prompt.kind_of?(String) ? prompt : I18n.translate('helpers.select.prompt', :default => 'Please select') + end end class FormBuilder |