diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/tags/check_box.rb')
-rw-r--r-- | actionpack/lib/action_view/helpers/tags/check_box.rb | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/tags/check_box.rb b/actionpack/lib/action_view/helpers/tags/check_box.rb new file mode 100644 index 0000000000..579cdb9fc9 --- /dev/null +++ b/actionpack/lib/action_view/helpers/tags/check_box.rb @@ -0,0 +1,58 @@ +require 'action_view/helpers/tags/checkable' + +module ActionView + module Helpers + module Tags + class CheckBox < Base #:nodoc: + include Checkable + + def initialize(object_name, method_name, template_object, checked_value, unchecked_value, options) + @checked_value = checked_value + @unchecked_value = unchecked_value + super(object_name, method_name, template_object, options) + end + + def render + options = @options.stringify_keys + options["type"] = "checkbox" + options["value"] = @checked_value + options["checked"] = "checked" if input_checked?(object, options) + + if options["multiple"] + add_default_name_and_id_for_value(@checked_value, options) + options.delete("multiple") + else + add_default_name_and_id(options) + end + + hidden = hidden_field_for_checkbox(options) + checkbox = tag("input", options) + hidden + checkbox + end + + private + + def checked?(value) + case value + when TrueClass, FalseClass + value + when NilClass + false + when Integer + value != 0 + when String + value == @checked_value + when Array + value.include?(@checked_value) + else + value.to_i != 0 + end + end + + def hidden_field_for_checkbox(options) + @unchecked_value ? tag("input", options.slice("name", "disabled", "form").merge!("type" => "hidden", "value" => @unchecked_value)) : "".html_safe + end + end + end + end +end |