1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
require 'action_view/helpers/tags/collection_helpers'
module ActionView
module Helpers
module Tags # :nodoc:
class CollectionCheckBoxes < Base # :nodoc:
include CollectionHelpers
class CheckBoxBuilder < Builder # :nodoc:
def check_box(extra_html_options={})
html_options = extra_html_options.merge(@input_html_options)
@template_object.check_box(@object_name, @method_name, html_options, @value, nil)
end
end
def render(&block)
rendered_collection = render_collection do |item, value, text, default_html_options|
default_html_options[:multiple] = true
builder = instantiate_builder(CheckBoxBuilder, item, value, text, default_html_options)
if block_given?
@template_object.capture(builder, &block)
else
render_component(builder)
end
end
# Append a hidden field to make sure something will be sent back to the
# server if all check boxes are unchecked.
if @options.fetch(:include_hidden, true)
rendered_collection + hidden_field
else
rendered_collection
end
end
private
def render_component(builder)
builder.check_box + builder.label
end
def hidden_field
hidden_name = @html_options[:name]
hidden_name ||= if @options.has_key?(:index)
"#{tag_name_with_index(@options[:index])}[]"
else
"#{tag_name}[]"
end
@template_object.hidden_field_tag(hidden_name, "", id: nil)
end
end
end
end
end
|