Class: ActiveScaffold::DataStructures::ActionLinks
- Includes:
- Enumerable
- Defined in:
- lib/active_scaffold/data_structures/action_links.rb
Instance Attribute Summary collapse
- #label ⇒ Object
-
#name ⇒ Object
Returns the value of attribute name.
Instance Method Summary collapse
-
#[](val) ⇒ Object
finds an ActionLink by matching the action.
-
#add(action, options = {}) ⇒ Object
(also: #<<)
adds an ActionLink, creating one from the arguments if need be.
-
#add_to_group(link, group = nil) ⇒ Object
adds a link to a specific group groups are represented as a string separated by a dot eg member.crud.
- #add_to_set(link) ⇒ Object
- #collect ⇒ Object
- #collect_by_type(type = nil) ⇒ Object
- #delete(val) ⇒ Object
- #delete_group(name) ⇒ Object
-
#each(options = {}, &block) ⇒ Object
iterates over the links, possibly by type.
- #empty? ⇒ Boolean
- #find_duplicate(link) ⇒ Object
-
#initialize ⇒ ActionLinks
constructor
A new instance of ActionLinks.
- #method_missing(name, *args, &block) ⇒ Object
- #subgroup(name, label = nil) ⇒ Object
- #traverse(controller, options = {}, &block) ⇒ Object
Constructor Details
#initialize ⇒ ActionLinks
Returns a new instance of ActionLinks.
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 5 def initialize @set = [] @name = :root end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(name, *args, &block) ⇒ Object
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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 |
Instance Attribute Details
#label ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 156 def label as_(@label) if @label end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 171 def name @name end |
Instance Method Details
#[](val) ⇒ Object
finds an ActionLink by matching the action
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# 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 = {}) ⇒ Object Also known as: <<
adds an ActionLink, creating one from the arguments if need be
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 11 def add(action, = {}) link = if action.is_a?(ActiveScaffold::DataStructures::ActionLink) || action.is_a?(ActiveScaffold::DataStructures::ActionLinks) action else ActiveScaffold::DataStructures::ActionLink.new(action, ) 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 |
#add_to_group(link, group = nil) ⇒ Object
adds a link to a specific group groups are represented as a string separated by a dot eg member.crud
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# 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) ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 31 def add_to_set(link) @set << link end |
#collect ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 132 def collect @set end |
#collect_by_type(type = nil) ⇒ Object
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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) ⇒ Object
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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) ⇒ Object
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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 = {}, &block) ⇒ Object
iterates over the links, possibly by type
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 90 def each( = {}, &block) @set.each {|item| if item.is_a?(ActiveScaffold::DataStructures::ActionLinks) item.each(, &block) else if [:include_set] yield item, @set else yield item end end } end |
#empty? ⇒ Boolean
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 136 def empty? @set.size == 0 end |
#find_duplicate(link) ⇒ Object
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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 |
#subgroup(name, label = nil) ⇒ Object
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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 = {}, &block) ⇒ Object
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# File 'lib/active_scaffold/data_structures/action_links.rb', line 110 def traverse(controller, = {}, &block) traverse_method = .delete(:reverse).nil? ? :each : :reverse_each [:level] ||= -1 [: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 => [:level]}) link.traverse(controller,, &block) yield(link, nil, {:node => :finished_traversing, :first_action => first_action, :level => [:level]}) first_action = false end elsif controller.nil? || !skip_action_link(controller, link, *(Array([:for]))) = [:for].nil? ? true : [:for].(:crud_type => link.crud_type, :action => link.action) yield(self, link, {:authorized => , :first_action => first_action, :level => [:level]}) first_action = false end end [:level] -= 1 end |