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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
module ActionView
module Helpers
module Tags
class Base #:nodoc:
include Helpers::ActiveModelInstanceTag, Helpers::TagHelper, Helpers::FormTagHelper
include FormOptionsHelper
attr_reader :object
def initialize(object_name, method_name, template_object, options = {})
@object_name, @method_name = object_name.to_s.dup, method_name.to_s.dup
@template_object = template_object
@object_name.sub!(/\[\]$/,"") || @object_name.sub!(/\[\]\]$/,"]")
@object = retrieve_object(options.delete(:object))
@options = options
@auto_index = retrieve_autoindex(Regexp.last_match.pre_match) if Regexp.last_match
end
# This is what child classes implement.
def render
raise NotImplementedError, "Subclasses must implement a render method"
end
private
def value(object)
object.send @method_name if object
end
def value_before_type_cast(object)
unless object.nil?
method_before_type_cast = @method_name + "_before_type_cast"
object.respond_to?(method_before_type_cast) ?
object.send(method_before_type_cast) :
value(object)
end
end
def retrieve_object(object)
if object
object
elsif @template_object.instance_variable_defined?("@#{@object_name}")
@template_object.instance_variable_get("@#{@object_name}")
end
rescue NameError
# As @object_name may contain the nested syntax (item[subobject]) we need to fallback to nil.
nil
end
def retrieve_autoindex(pre_match)
object = self.object || @template_object.instance_variable_get("@#{pre_match}")
if object && object.respond_to?(:to_param)
object.to_param
else
raise ArgumentError, "object[] naming but object param and @object var don't exist or don't respond to to_param: #{object.inspect}"
end
end
def add_default_name_and_id_for_value(tag_value, options)
if tag_value.nil?
add_default_name_and_id(options)
else
specified_id = options["id"]
add_default_name_and_id(options)
if specified_id.blank? && options["id"].present?
options["id"] += "_#{sanitized_value(tag_value)}"
end
end
end
def add_default_name_and_id(options)
if options.has_key?("index")
options["name"] ||= options.fetch("name"){ tag_name_with_index(options["index"]) }
options["id"] = options.fetch("id"){ tag_id_with_index(options["index"]) }
options.delete("index")
elsif defined?(@auto_index)
options["name"] ||= options.fetch("name"){ tag_name_with_index(@auto_index) }
options["id"] = options.fetch("id"){ tag_id_with_index(@auto_index) }
else
options["name"] ||= options.fetch("name"){ options['multiple'] ? tag_name_multiple : tag_name }
options["id"] = options.fetch("id"){ tag_id }
end
options["id"] = [options.delete('namespace'), options["id"]].compact.join("_").presence
end
def tag_name
"#{@object_name}[#{sanitized_method_name}]"
end
def tag_name_multiple
"#{tag_name}[]"
end
def tag_name_with_index(index)
"#{@object_name}[#{index}][#{sanitized_method_name}]"
end
def tag_id
"#{sanitized_object_name}_#{sanitized_method_name}"
end
def tag_id_with_index(index)
"#{sanitized_object_name}_#{index}_#{sanitized_method_name}"
end
def sanitized_object_name
@sanitized_object_name ||= @object_name.gsub(/\]\[|[^-a-zA-Z0-9:.]/, "_").sub(/_$/, "")
end
def sanitized_method_name
@sanitized_method_name ||= @method_name.sub(/\?$/,"")
end
def sanitized_value(value)
value.to_s.gsub(/\s/, "_").gsub(/[^-\w]/, "").downcase
end
def select_content_tag(option_tags, options, html_options)
html_options = html_options.stringify_keys
add_default_name_and_id(html_options)
select = content_tag("select", add_options(option_tags, options, value(object)), html_options)
if html_options["multiple"]
tag("input", :disabled => html_options["disabled"], :name => html_options["name"], :type => "hidden", :value => "") + select
else
select
end
end
def add_options(option_tags, options, value = nil)
if options[:include_blank]
option_tags = content_tag('option', options[:include_blank].kind_of?(String) ? options[:include_blank] : nil, :value => '') + "\n" + option_tags
end
if value.blank? && options[:prompt]
prompt = options[:prompt].kind_of?(String) ? options[:prompt] : I18n.translate('helpers.select.prompt', :default => 'Please select')
option_tags = content_tag('option', prompt, :value => '') + "\n" + option_tags
end
option_tags
end
end
end
end
end
|