class ActiveScaffold::DataStructures::ActionLinks
Attributes
label[W]
name[RW]
Public Class Methods
new()
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# File lib/active_scaffold/data_structures/action_links.rb, line 5 def initialize @set = [] @name = :root end
Public Instance Methods
[](val)
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finds an ActionLink
by matching the action
# File lib/active_scaffold/data_structures/action_links.rb, line 45 def [](val) links = [] @set.each do |item| if item.is_a?(ActiveScaffold::DataStructures::ActionLinks) collected = item[val] links << collected unless collected.nil? else links << item if item.action == val.to_s end end links.first end
add(action, options = {})
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adds an ActionLink
, creating one from the arguments if need be
# File lib/active_scaffold/data_structures/action_links.rb, line 11 def add(action, options = {}) link = if action.is_a?(ActiveScaffold::DataStructures::ActionLink) || action.is_a?(ActiveScaffold::DataStructures::ActionLinks) action else 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) unless existing # 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 else existing end end
Also aliased as: <<
add_to_group(link, group = nil)
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adds a link to a specific group groups are represented as a string separated by a dot eg member.crud
# File lib/active_scaffold/data_structures/action_links.rb, line 38 def add_to_group(link, group = nil) add_to = root add_to = group.split('.').inject(root){|group, group_name| group.send(group_name)} if group add_to << link unless link.nil? end
add_to_set(link)
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# File lib/active_scaffold/data_structures/action_links.rb, line 31 def add_to_set(link) @set << link end
collect()
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# File lib/active_scaffold/data_structures/action_links.rb, line 132 def collect @set end
collect_by_type(type = nil)
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# File lib/active_scaffold/data_structures/action_links.rb, line 104 def collect_by_type(type = nil) links = [] subgroup(type).each(type) {|link| links << link} links end
delete(val)
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# File lib/active_scaffold/data_structures/action_links.rb, line 71 def delete(val) self.each({:include_set => true}) do |link, set| if link.action == val.to_s set.delete_if {|item| item.is_a?(ActiveScaffold::DataStructures::ActionLink) && item.action == val.to_s} end end end
delete_group(name)
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# File lib/active_scaffold/data_structures/action_links.rb, line 79 def delete_group(name) @set.each do |group| if group.name == name @set.delete_if {|item| item.is_a?(ActiveScaffold::DataStructures::ActionLinks) && item.name == name} else group.delete_group(name) end if group.is_a?(ActiveScaffold::DataStructures::ActionLinks) end end
each(options = {}) { |item, set| ... }
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iterates over the links, possibly by type
# File lib/active_scaffold/data_structures/action_links.rb, line 90 def each(options = {}, &block) @set.each {|item| if item.is_a?(ActiveScaffold::DataStructures::ActionLinks) item.each(options, &block) else if options[:include_set] yield item, @set else yield item end end } end
empty?()
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# File lib/active_scaffold/data_structures/action_links.rb, line 136 def empty? @set.size == 0 end
find_duplicate(link)
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# File lib/active_scaffold/data_structures/action_links.rb, line 58 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? else links << item if item.action == link.action and item.static_controller? && item.controller == link.controller and item.parameters == link.parameters end end links.first end
label()
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# File lib/active_scaffold/data_structures/action_links.rb, line 156 def label as_(@label) if @label end
method_missing(name, *args, &block)
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# File lib/active_scaffold/data_structures/action_links.rb, line 160 def method_missing(name, *args, &block) class_eval %{ def #{name} @#{name} ||= subgroup('#{name}'.to_sym) yield @#{name} if block_given? @#{name} end } send(name, &block) end
subgroup(name, label = nil)
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# File lib/active_scaffold/data_structures/action_links.rb, line 140 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 add_to_set group end group end
traverse(controller, options = {}) { |link, nil, {:node => :start_traversing, :first_action => first_action, :level => options}| ... }
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# File lib/active_scaffold/data_structures/action_links.rb, line 110 def traverse(controller, options = {}, &block) traverse_method = options.delete(:reverse).nil? ? :each : :reverse_each options[:level] ||= -1 options[:level] += 1 first_action = true @set.send(traverse_method) do |link| if link.is_a?(ActiveScaffold::DataStructures::ActionLinks) unless link.empty? yield(link, nil, {:node => :start_traversing, :first_action => first_action, :level => options[:level]}) link.traverse(controller,options, &block) yield(link, nil, {:node => :finished_traversing, :first_action => first_action, :level => options[:level]}) first_action = false end elsif controller.nil? || !skip_action_link(controller, link, *(Array(options[:for]))) authorized = options[:for].nil? ? true : options[:for].authorized_for?(:crud_type => link.crud_type, :action => link.action) yield(self, link, {:authorized => authorized, :first_action => first_action, :level => options[:level]}) first_action = false end end options[:level] -= 1 end
Protected Instance Methods
initialize_copy(from)
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called during clone or dup. makes the clone/dup deeper.
# File lib/active_scaffold/data_structures/action_links.rb, line 180 def initialize_copy(from) @set = [] from.instance_variable_get('@set').each { |link| @set << link.clone } end
skip_action_link(controller, link, *args)
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# File lib/active_scaffold/data_structures/action_links.rb, line 175 def skip_action_link(controller, link, *args) (!link.ignore_method.nil? && controller.respond_to?(link.ignore_method) && controller.send(link.ignore_method, *args)) || ((link.security_method_set? or controller.respond_to? link.security_method) and !controller.send(link.security_method, *args)) end