Class: ActiveScaffold::DataStructures::ActionLinks

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/active_scaffold/data_structures/action_links.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initializeActionLinks

Returns a new instance of ActionLinks.



6
7
8
9
10
# File 'lib/active_scaffold/data_structures/action_links.rb', line 6

def initialize
  @set = []
  @name = :root
  @weight = 0
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object



153
154
155
156
157
158
159
160
161
162
163
# File 'lib/active_scaffold/data_structures/action_links.rb', line 153

def method_missing(name, *args, &block)
  return super if name.match?(/[!?]$/)
  class_eval <<-METHOD, __FILE__, __LINE__ + 1
    def #{name}(label = nil) # rubocop:disable Style/CommentedKeyword
      @#{name} ||= subgroup('#{name}'.to_sym, label)
      yield @#{name} if block_given?
      @#{name}
    end
  METHOD
  send(name, args.first, &block)
end

Instance Attribute Details

#default_typeObject

Returns the value of attribute default_type.



4
5
6
# File 'lib/active_scaffold/data_structures/action_links.rb', line 4

def default_type
  @default_type
end

#label(record) ⇒ Object



142
143
144
145
146
147
148
149
150
151
# File 'lib/active_scaffold/data_structures/action_links.rb', line 142

def label(record)
  case @label
  when Symbol
    ActiveScaffold::Registry.cache(:translations, @label) { as_(@label) }
  when Proc
    @label.call(record)
  else
    @label
  end
end

#nameObject

Returns the value of attribute name.



169
170
171
# File 'lib/active_scaffold/data_structures/action_links.rb', line 169

def name
  @name
end

#weightObject

Returns the value of attribute weight.



170
171
172
# File 'lib/active_scaffold/data_structures/action_links.rb', line 170

def weight
  @weight
end

Instance Method Details

#[](val) ⇒ Object

finds an ActionLink by matching the action



50
51
52
53
54
55
56
57
58
59
60
61
# File 'lib/active_scaffold/data_structures/action_links.rb', line 50

def [](val)
  links = []
  @set.each do |item|
    if item.is_a?(ActiveScaffold::DataStructures::ActionLinks)
      collected = item[val]
      links << collected unless collected.nil?
    elsif item.action.to_s == val.to_s
      links << item
    end
  end
  links.first
end

#add(action, options = {}) ⇒ Object Also known as: <<

adds an ActionLink, creating one from the arguments if need be



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
# File 'lib/active_scaffold/data_structures/action_links.rb', line 13

def add(action, options = {})
  link =
    if action.is_a?(ActiveScaffold::DataStructures::ActionLink) || action.is_a?(ActiveScaffold::DataStructures::ActionLinks)
      action
    else
      options[:type] ||= default_type if default_type
      ActiveScaffold::DataStructures::ActionLink.new(action, options)
    end
  # NOTE: this duplicate check should be done by defining the comparison operator for an Action data structure
  existing = find_duplicate(link)

  if existing
    existing
  else
    # That s for backwards compatibility if we are in root of action_links
    # we have to move actionlink into members or collection subgroup
    group = (name == :root ? subgroup(link.type, link.type) : self)
    group.add_to_set(link)
    link
  end
end

#add_to_group(link, group_name = nil) ⇒ Object

adds a link to a specific group groups are represented as a string separated by a dot eg member.crud



43
44
45
46
47
# File 'lib/active_scaffold/data_structures/action_links.rb', line 43

def add_to_group(link, group_name = nil)
  add_to = root
  add_to = group_name.split('.').inject(root) { |group, name| group.send(name) } if group_name
  add_to << link unless link.nil?
end

#add_to_set(link) ⇒ Object



36
37
38
# File 'lib/active_scaffold/data_structures/action_links.rb', line 36

def add_to_set(link)
  @set << link
end

#collectObject



117
118
119
# File 'lib/active_scaffold/data_structures/action_links.rb', line 117

def collect
  @set
end

#collect_by_type(type = nil) ⇒ Object



111
112
113
114
115
# File 'lib/active_scaffold/data_structures/action_links.rb', line 111

def collect_by_type(type = nil)
  links = []
  subgroup(type).each(type) { |link| links << link }
  links
end

#delete(val) ⇒ Object



76
77
78
79
80
81
82
83
# File 'lib/active_scaffold/data_structures/action_links.rb', line 76

def delete(val)
  each(:include_set => true) do |link, set|
    if link.action.to_s == val.to_s
      set.delete link
      break
    end
  end
end

#delete_group(name) ⇒ Object



85
86
87
88
89
90
91
92
93
94
95
# File 'lib/active_scaffold/data_structures/action_links.rb', line 85

def delete_group(name)
  @set.each do |group|
    next unless group.is_a?(ActiveScaffold::DataStructures::ActionLinks)
    if group.name == name
      @set.delete group
      break
    else
      group.delete_group(name)
    end
  end
end

#each(options = {}, &block) ⇒ Object

iterates over the links, possibly by type



98
99
100
101
102
103
104
105
106
107
108
109
# File 'lib/active_scaffold/data_structures/action_links.rb', line 98

def each(options = {}, &block)
  method = options[:reverse] ? :reverse_each : :each
  @set.sort_by(&:weight).send(method) do |item|
    if item.is_a?(ActiveScaffold::DataStructures::ActionLinks) && !options[:groups]
      item.each(options, &block)
    elsif options[:include_set]
      yield item, @set
    else
      yield item
    end
  end
end

#empty?Boolean

Returns:

  • (Boolean)


121
122
123
# File 'lib/active_scaffold/data_structures/action_links.rb', line 121

def empty?
  @set.empty?
end

#find_duplicate(link) ⇒ Object



63
64
65
66
67
68
69
70
71
72
73
74
# File 'lib/active_scaffold/data_structures/action_links.rb', line 63

def find_duplicate(link)
  links = []
  @set.each do |item|
    if item.is_a?(ActiveScaffold::DataStructures::ActionLinks)
      collected = item.find_duplicate(link)
      links << collected unless collected.nil?
    elsif item.action == link.action && item.static_controller? && item.controller == link.controller && item.parameters == link.parameters
      links << item
    end
  end
  links.first
end

#respond_to_missing?(name) ⇒ Boolean

Returns:

  • (Boolean)


165
166
167
# File 'lib/active_scaffold/data_structures/action_links.rb', line 165

def respond_to_missing?(name, *)
  name !~ /[!?]$/
end

#subgroup(name, label = nil) ⇒ Object



125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
# File 'lib/active_scaffold/data_structures/action_links.rb', line 125

def subgroup(name, label = nil)
  group = self if name == self.name
  group ||= @set.find do |item|
    name == item.name if item.is_a?(ActiveScaffold::DataStructures::ActionLinks)
  end

  if group.nil?
    group = ActiveScaffold::DataStructures::ActionLinks.new
    group.label = label || name
    group.name = name
    group.default_type = self.name == :root ? (name.to_sym if %w[member collection].include?(name.to_s)) : default_type
    add_to_set group
  end
  group
end