Class: ActiveScaffold::DataStructures::ActionLink

Inherits:
Object
  • Object
show all
Defined in:
lib/active_scaffold/data_structures/action_link.rb

Constant Summary collapse

NO_OPTIONS = 
{}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(action, options = {}) ⇒ ActionLink

provides a quick way to set any property of the object from a hash

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 6

def initialize(action, options = {})
  # set defaults
  @action = action
  @label = action
  @confirm = false
  @type = :collection
  @method = :get
  @crud_type =
    case action&.to_sym
    when :destroy then :delete
    when :create, :new then :create
    when :update, :edit then :update
    else :read
    end
  @column = nil
  @image = nil
  @controller = nil
  @parameters = nil
  @dynamic_parameters = nil
  @html_options = nil
  @weight = 0
  self.inline = true

  # apply quick properties
  options.each_pair do |k, v|
    setter = "#{k}="
    send(setter, v) if respond_to? setter
  end
  self.toggle = self.action&.to_sym == :index && !position && (parameters.present? || dynamic_parameters) unless options.include? :toggle
end

Instance Attribute Details

#action ⇒ Object

the action-path for this link. what page to request? this is required!


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 46

def action
  @action
end

#column ⇒ Object

nested action_links are referencing a column


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 204

def column
  @column
end

#controller ⇒ Object 


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 51

def controller
  @controller = @controller.call if @controller.is_a?(Proc)
  @controller
end

#controller_actions ⇒ Object

for links in singular associations, copied from column.actions_for_association_links, excluding actions not available in association's controller


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 215

def controller_actions
  @controller_actions
end

#crud_type ⇒ Object

the crud type of the (eventual?) action. different than :method, because this crud action may not be imminent. this is used to determine record-level authorization (e.g. record.authorized_for?(:crud_type => link.crud_type). options are :create, :read, :update, and :delete


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 135

def crud_type
  @crud_type
end

#dhtml_confirm ⇒ Object

if the action uses a DHTML based (i.e. 2-phase) confirmation


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 103

def dhtml_confirm
  @dhtml_confirm
end

#dynamic_parameters ⇒ Object

a block for dynamic_parameters


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 73

def dynamic_parameters
  @dynamic_parameters
end

#html_options ⇒ Object 


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 198

def html_options
  return @html_options || NO_OPTIONS if frozen?
  @html_options ||= NO_OPTIONS.dup
end

#ignore_method ⇒ Object

what method to call on the controller to see if this action_link should be visible if method return true, link won't be displayed


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 130

def ignore_method
  @ignore_method
end

#image ⇒ Object

image to use => 'arrow.png', :size => '16x16'


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 85

def image
  @image
end

#keep_open=(value) ⇒ Object (writeonly)

don't close the panel when another action link is open


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 207

def keep_open=(value)
  @keep_open = value
end

#label ⇒ Object 


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 80

def label
  @label.is_a?(Symbol) ? ActiveScaffold::Registry.cache(:translations, @label) { as_(@label) } : @label
end

#method ⇒ Object

the RESTful method


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 76

def method
  @method
end

#parameters ⇒ Object 


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 62

def parameters
  return @parameters || NO_OPTIONS if frozen?
  @parameters ||= NO_OPTIONS.dup
end

#position ⇒ Object 


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 186

def position
  return @position unless @position.nil? || @position == true
  return :replace if type == :member
  return :top if type == :collection
  raise "what should the default position be for #{type}?"
end

#refresh_on_close ⇒ Object

enable it to refresh the parent row when the view is closed


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 126

def refresh_on_close
  @refresh_on_close
end

#security_method ⇒ Object 


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 117

def security_method
  @security_method || "#{action}_authorized?"
end

#toggle ⇒ Object

if active class is added to link when current request matches link enabled automatically for links to index with parameters or dynamic parameters disable when is not needed so current request match check is skipped


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 70

def toggle
  @toggle
end

#type ⇒ Object

what type of link this is. currently supported values are :collection and :member.


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 194

def type
  @type
end

#weight ⇒ Object

the weight for this link in the action links collection, it will be used to sort the collection


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# File 'lib/active_scaffold/data_structures/action_link.rb', line 43

def weight
  @weight
end

Instance Method Details

#confirm(label = '') ⇒ Object

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 93

def confirm(label = '')
  return @confirm if !confirm? || @confirm.is_a?(String)
  ActiveScaffold::Registry.cache(:translations, @confirm) { as_(@confirm) } % {label: label}
end

#confirm=(value) ⇒ Object

if the action requires confirmation

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 88

def confirm=(value)
  @dhtml_confirm = nil if value
  @confirm = value
end

#confirm? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 98

def confirm?
  @confirm.present?
end

#dhtml_confirm? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 109

def dhtml_confirm?
  @dhtml_confirm.present?
end

#freeze ⇒ Object

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 234

def freeze
  # force generating cache_key, except for column's link without action, or polymorphic associations
  name_to_cache if action && !column&.association&.polymorphic?
  super
end

#initialize_copy(action_link) ⇒ Object

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 37

def initialize_copy(action_link)
  self.parameters = parameters.clone if action_link.instance_variable_get(:@parameters)
  self.html_options = html_options.clone if action_link.instance_variable_get(:@html_options)
end

#inline=(val) ⇒ Object

an “inline” link is inserted into the existing page exclusive with popup? and page?

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 139

def inline=(val)
  @inline = (val == true)
  self.popup = self.page = false if @inline
end

#inline? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 144

def inline?
  @inline
end

#keep_open? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 208

def keep_open?
  @keep_open
end

#name_to_cache ⇒ Object

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 222

def name_to_cache
  return @name_to_cache if defined? @name_to_cache
  [
    controller || 'self',
    type,
    action,
    *parameters.map { |k, v| "#{k}=#{v.is_a?(Array) ? v.join(',') : v}" }
  ].compact.join('_').tap do |name_to_cache|
    @name_to_cache = name_to_cache unless frozen?
  end
end

#nested_link? ⇒ Boolean

indicates that this a nested_link

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 218

def nested_link?
  @column || parameters&.dig(:named_scope)
end

#page=(val) ⇒ Object

a “page” link displays by reloading the current page exclusive with inline? and popup?

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 166

def page=(val)
  @page = (val == true)
  self.inline = self.popup = false if @page
end

#page? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 171

def page?
  @page
end

#popup=(val) ⇒ Object

a “popup” link displays in a separate (browser?) window. this will eventually take arguments. exclusive with inline? and page?

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# File 'lib/active_scaffold/data_structures/action_link.rb', line 150

def popup=(val)
  @popup = (val == true)
  return unless @popup
  self.inline = self.page = false

  # the :method parameter doesn't mix with the :popup parameter
  # when/if we start using DHTML popups, we can bring :method back
  self.method = nil
end

#popup? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 160

def popup?
  @popup
end

#security_method_set? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 121

def security_method_set?
  @security_method.present?
end

#static_controller? ⇒ Boolean

Returns:

  • (Boolean)
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# File 'lib/active_scaffold/data_structures/action_link.rb', line 56

def static_controller?
  !(@controller.is_a?(Proc) || (@controller == :polymorph))
end