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author | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2012-01-16 20:48:32 -0300 |
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committer | Rafael Mendonça França <rafaelmfranca@gmail.com> | 2012-01-17 00:05:29 -0300 |
commit | f42e1db35ab3a0300b8e02ac55e0ae82873b5986 (patch) | |
tree | 98ac46c277e1091f6efbd01a323dd511315c8304 /actionpack/lib/action_view/helpers/tags/check_box.rb | |
parent | 8e8c6c35832e6a9d9ee09b645e9f34b3594128c5 (diff) | |
download | rails-f42e1db35ab3a0300b8e02ac55e0ae82873b5986.tar.gz rails-f42e1db35ab3a0300b8e02ac55e0ae82873b5986.tar.bz2 rails-f42e1db35ab3a0300b8e02ac55e0ae82873b5986.zip |
Extract CheckBox
Diffstat (limited to 'actionpack/lib/action_view/helpers/tags/check_box.rb')
-rw-r--r-- | actionpack/lib/action_view/helpers/tags/check_box.rb | 60 |
1 files changed, 60 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..89aaad632c --- /dev/null +++ b/actionpack/lib/action_view/helpers/tags/check_box.rb @@ -0,0 +1,60 @@ +module ActionView + module Helpers + module Tags + class CheckBox < Base #:nodoc: + 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 + + if options.has_key?("checked") + cv = options.delete "checked" + checked = cv == true || cv == "checked" + else + checked = check_box_checked?(value(object)) + end + + options["checked"] = "checked" if checked + 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 = @unchecked_value ? tag("input", "name" => options["name"], "type" => "hidden", "value" => @unchecked_value, "disabled" => options["disabled"]) : "" + checkbox = tag("input", options) + hidden + checkbox + end + + private + + def value(object) + object.send @method_name if object + end + + def check_box_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 + end + end + end +end |