diff options
Diffstat (limited to 'actionpack/lib')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_helper.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb index f64965bda1..0a406cfc47 100644 --- a/actionpack/lib/action_view/helpers/form_helper.rb +++ b/actionpack/lib/action_view/helpers/form_helper.rb @@ -99,6 +99,20 @@ module ActionView def check_box(object, method, options = {}, checked_value = "1", unchecked_value = "0") InstanceTag.new(object, method, self).to_check_box_tag(options, checked_value, unchecked_value) end + + # Returns a radio button tag for accessing a specified attribute (identified by +method+) on an object + # assigned to the template (identified by +object+). If the current value of +method+ is +tag_value+ the + # radio button will be checked. Additional options on the input tag can be passed as a + # hash with +options+. + # Example (call, result). Imagine that @post.category returns "rails": + # radio_button("post", "category", "rails") + # radio_button("post", "category", "java") + # <input type="radio" id="post_category" name="post[category] value="rails" checked="checked" /> + # <input type="radio" id="post_category" name="post[category] value="java" /> + # + def radio_button(object, method, tag_value, options = {}) + InstanceTag.new(object, method, self).to_radio_button_tag(tag_value, options) + end end class InstanceTag #:nodoc: @@ -123,6 +137,15 @@ module ActionView add_default_name_and_id(html_options) tag("input", html_options) end + + def to_radio_button_tag(tag_value, options={}) + html_options = DEFAULT_FIELD_OPTIONS.merge(options) + html_options.merge!({"checked"=>"checked"}) if value == tag_value + html_options.merge!({"type"=>"radio", "value"=>tag_value.to_s}) + + add_default_name_and_id(html_options) + tag("input", html_options) + end def to_text_area_tag(options = {}) options = DEFAULT_TEXT_AREA_OPTIONS.merge(options) |