Module: ActiveScaffold::Helpers::ActionLinkHelpers

Included in:
ViewHelpers
Defined in:
lib/active_scaffold/helpers/action_link_helpers.rb

Overview

All extra helpers that should be included in the View. Also a dumping ground for uncategorized helpers.

Constant Summary collapse

NESTED_PARAMS =

params which mustn’t be copying to nested links

%i[eid embedded association parent_scaffold].freeze

Instance Method Summary collapse

Instance Method Details

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 13

def action_link_authorized?(link, *args)
  auth, reason =
    if link.security_method_set? || controller.respond_to?(link.security_method, true)
      controller.send(link.security_method, *args)
    else
      args.empty? ? true : args.first.authorized_for?(:crud_type => link.crud_type, :action => link.action, :reason => true)
    end
  [auth, reason]
end

#action_link_html(link, url, html_options, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 363

def action_link_html(link, url, html_options, record)
  label = html_options.delete(:link)
  label ||= link.label
  if url.nil?
    content_tag(:a, label, html_options)
  else
    link_to(label, url, html_options)
  end
end

#action_link_html_options(link, record, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 310

def action_link_html_options(link, record, options)
  link_id = get_action_link_id(link, record)
  html_options = link.html_options.merge(:class => [link.html_options[:class], link.action.to_s].compact.join(' '))
  html_options[:link] = action_link_text(link, options)

  # Needs to be in html_options to as the adding _method to the url is no longer supported by Rails
  html_options[:method] = link.method if link.method != :get

  html_options[:data] ||= {}
  html_options[:data][:confirm] = link.confirm(h(record.try(:to_label))) if link.confirm?
  if !options[:page] && !options[:popup] && (options[:inline] || link.inline?)
    html_options[:class] << ' as_action'
    html_options[:data][:position] = link.position if link.position
    html_options[:data][:action] = link.action
    html_options[:data][:cancel_refresh] = true if link.refresh_on_close
    html_options[:data][:keep_open] = true if link.keep_open?
    html_options[:remote] = true
  end

  if link.toggle
    html_options[:class] << ' toggle'
    html_options[:class] << ' active' if action_link_selected?(link, record)
  end

  html_options[:target] = '_blank' if !options[:page] && !options[:inline] && (options[:popup] || link.popup?)
  html_options[:id] = link_id
  if link.dhtml_confirm?
    unless link.inline?
      html_options[:class] << ' as_action'
      html_options[:page_link] = 'true'
    end
    html_options[:dhtml_confirm] = link.dhtml_confirm.value
    html_options[:onclick] = link.dhtml_confirm.onclick_function(controller, link_id)
  end
  html_options
end

#action_link_selected?(link, record) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 304

def action_link_selected?(link, record)
  missing_options, url_options = replaced_action_link_url_options(link, record)
  safe_params = (Rails.version < '4.2' ? params.to_h : params.to_unsafe_h)
  (url_options - safe_params.to_a).blank? && missing_options.all? { |k, _| params[k].nil? }
end

#action_link_text(link, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 282

def action_link_text(link, options)
  text = image_tag(link.image[:name], :size => link.image[:size], :alt => options[:link] || link.label, :title => options[:link] || link.label) if link.image
  text || options[:link]
end

#action_link_to_inline_form(link, record) ⇒ Object

setup the action link to inline form



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 97

def action_link_to_inline_form(link, record)
  link = link.clone
  associated = record.send(link.column.association.name)
  if link.column.association.try(:polymorphic?)
    link.controller = controller_path_for_activerecord(associated.class)
    return link if link.controller.nil?
  end
  link = configure_column_link(link, record, associated) if link.action.nil?
  link
end

#action_link_url(link, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 206

def action_link_url(link, record)
  url = replace_id_params_in_action_link_url(link, record, cached_action_link_url(link, record))
  url = add_query_string_to_cached_url(link, url) if @action_links_urls[link.name_to_cache]
  url
end

#action_link_url_options(link, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 260

def action_link_url_options(link, record)
  url_options = {:action => link.action}
  url_options[:id] = '--ID--' unless record.nil?
  url_options[:controller] = link.controller.to_s if link.controller
  url_options.merge! link.parameters if link.parameters
  if link.dynamic_parameters.is_a?(Proc)
    if record.nil?
      url_options.merge! instance_exec(&link.dynamic_parameters)
    else
      url_options.merge! instance_exec(record, &link.dynamic_parameters)
    end
  end
  if link.nested_link?
    url_options_for_nested_link(link.column, record, link, url_options)
  elsif nested?
    url_options[nested.param_name] = '--CHILD_ID--'
  end
  url_options_for_sti_link(link.column, record, link, url_options) unless record.nil? || active_scaffold_config.sti_children.nil?
  url_options[:_method] = link.method if !link.confirm? && link.inline? && link.method != :get
  url_options
end

#add_query_string_to_cached_url(link, url) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 195

def add_query_string_to_cached_url(link, url)
  query_string, non_nested_query_string = query_string_for_action_links(link)
  nested_params = (!link.nested_link? && non_nested_query_string)
  if query_string || nested_params
    url << (url.include?('?') ? '&' : '?')
    url << query_string if query_string
    url << non_nested_query_string if nested_params
  end
  url
end

#cache_action_link_url?(link, record) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 162

def cache_action_link_url?(link, record)
  active_scaffold_config.cache_action_link_urls && link.type == :member && !link.dynamic_parameters.is_a?(Proc) && !sti_record?(record)
end

#cache_action_link_url_options?(link, record) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 245

def cache_action_link_url_options?(link, record)
  active_scaffold_config.cache_action_link_urls && (link.type == :collection || !link.dynamic_parameters.is_a?(Proc)) && !sti_record?(record)
end

#cached_action_link_url(link, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 166

def cached_action_link_url(link, record)
  @action_links_urls ||= {}
  @action_links_urls[link.name_to_cache] || begin
    url_options = cached_action_link_url_options(link, record)
    if cache_action_link_url?(link, record)
      @action_links_urls[link.name_to_cache] = url_for(url_options)
    else
      url_options.merge! eid: nil, embedded: nil if link.nested_link?
      url_for(params_for(url_options))
    end
  end
end

#cached_action_link_url_options(link, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 249

def cached_action_link_url_options(link, record)
  @action_links_url_options ||= {}
  @action_links_url_options[link.name_to_cache] || begin
    options = action_link_url_options(link, record)
    if cache_action_link_url_options?(link, record)
      @action_links_url_options[link.name_to_cache] = options
    end
    options
  end
end

#column_link_authorized?(link, column, record, associated) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 137

def column_link_authorized?(link, column, record, associated)
  if column.association
    associated_for_authorized =
      if column.association.collection? || (associated.respond_to?(:blank?) && associated.blank?)
        column.association.klass
      else
        associated
      end
    authorized, reason = associated_for_authorized.authorized_for?(:crud_type => link.crud_type, :reason => true)
    if link.crud_type == :create && authorized
      authorized, reason = record.authorized_for?(:crud_type => :update, :column => column.name, :reason => true)
    end
    [authorized, reason]
  else
    action_link_authorized?(link, record)
  end
end

#configure_column_link(link, record, associated, actions = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 108

def configure_column_link(link, record, associated, actions = nil)
  actions ||= link.column.actions_for_association_links
  if column_empty?(associated) # if association is empty, we only can link to create form
    if actions.include?(:new)
      link.action = 'new'
      link.crud_type = :create
      link.label ||= as_(:create_new)
    end
  elsif actions.include?(:edit)
    link.action = 'edit'
    link.crud_type = :update
  elsif actions.include?(:show)
    link.action = 'show'
    link.crud_type = :read
  elsif actions.include?(:list)
    link.action = 'index'
    link.crud_type = :read
  end

  unless column_link_authorized?(link, link.column, record, associated)[0]
    link.action = nil
    # if action is edit and is not authorized, fallback to show if it's enabled
    if link.crud_type == :update && actions.include?(:show)
      link = configure_column_link(link, record, associated, [:show])
    end
  end
  link
end

#display_action_link(link, content, record, options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 60

def display_action_link(link, content, record, options)
  if content
    html_classes = hover_via_click? ? 'hover_click ' : ''
    if (options[:level]).zero?
      html_classes << 'action_group'
      group_tag = :div
    else
      html_classes << 'top' if options[:first_action]
      group_tag = :li
    end
    content = content_tag(group_tag, :class => (html_classes if html_classes.present?), :onclick => ('' if hover_via_click?)) do
      content_tag(:div, as_(link.label), :class => link.name.to_s.downcase) << content_tag(:ul, content)
    end
  else
    content = render_action_link(link, record, options)
    content = content_tag(:li, content, :class => ('top' if options[:first_action])) unless (options[:level]).zero?
  end
  content = content_tag(options[:level_0_tag], content, options[:options_level_0_tag]) if (options[:level]).zero? && options[:level_0_tag]
  content
end

#display_action_links(action_links, record, options, &block) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 32

def display_action_links(action_links, record, options, &block)
  options[:level_0_tag] ||= nil
  options[:options_level_0_tag] ||= nil
  options[:level] ||= 0
  options[:first_action] = true
  output = ActiveSupport::SafeBuffer.new

  action_links.each(:reverse => options.delete(:reverse), :groups => true) do |link|
    if link.is_a? ActiveScaffold::DataStructures::ActionLinks
      unless link.empty?
        options[:level] += 1
        content = display_action_links(link, record, options, &block)
        options[:level] -= 1
        if content.present?
          output << display_action_link(link, content, record, options)
          options[:first_action] = false
        end
      end
    elsif !skip_action_link?(link, *Array(options[:for]))
      authorized, reason = action_link_authorized?(link, *Array(options[:for]))
      next if !authorized && options[:skip_unauthorized]
      output << display_action_link(link, nil, record, options.merge(:authorized => authorized, :not_authorized_reason => reason))
      options[:first_action] = false
    end
  end
  output
end

#display_dynamic_action_group(action_link, links, record_or_ul_options = nil, ul_options = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 23

def display_dynamic_action_group(action_link, links, record_or_ul_options = nil, ul_options = nil)
  ul_options = record_or_ul_options if ul_options.nil? && record_or_ul_options.is_a?(Hash)
  record = record_or_ul_options unless record_or_ul_options.is_a?(Hash)
  html = content_tag :ul, ul_options do
    safe_join links.map { |link| content_tag :li, link }
  end
  raw "ActiveScaffold.display_dynamic_action_group('#{get_action_link_id action_link, record}', '#{escape_javascript html}');"
end

#get_action_link_id(link, record = nil, column = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 347

def get_action_link_id(link, record = nil, column = nil)
  column ||= link.column
  if column.try(:association) && record
    id = if column.association.collection?
           "#{column.association.name}-#{record.id}"
         elsif record.send(column.association.name).present?
           "#{column.association.name}-#{record.send(column.association.name).id}-#{record.id}"
         else
           "#{column.association.name}-#{record.id}"
         end
  end
  id ||= record.try(:id) || (nested? ? nested_parent_id : '')
  action_id = "#{id_from_controller("#{link.controller}-") if params[:parent_controller] || (link.controller && link.controller != controller.controller_path)}#{link.action}"
  action_link_id(action_id, id)
end

#query_string_for_action_links(link) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 212

def query_string_for_action_links(link)
  if defined?(@query_string) && link.parameters.none? { |k, _| @query_string_params.include? k }
    return [@query_string, @non_nested_query_string]
  end
  keep = true
  @query_string_params ||= Set.new
  query_string_options = {}
  non_nested_query_string_options = {}

  params_for.except(:controller, :action, :id).each do |key, value|
    @query_string_params << key
    if link.parameters.include? key
      keep = false
      next
    end
    if NESTED_PARAMS.include?(key) || conditions_from_params.include?(key) || (nested? && nested.param_name == key)
      non_nested_query_string_options[key] = value
    else
      query_string_options[key] = value
    end
  end

  query_string = query_string_options.to_query if query_string_options.present?
  if non_nested_query_string_options.present?
    non_nested_query_string = "#{'&' if query_string}#{non_nested_query_string_options.to_query}"
  end
  if keep
    @query_string = query_string
    @non_nested_query_string = non_nested_query_string
  end
  [query_string, non_nested_query_string]
end

#render_action_link(link, record = nil, options = {}) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 81

def render_action_link(link, record = nil, options = {})
  if link.action.nil? || link.column.try(:association).try(:polymorphic?)
    link = action_link_to_inline_form(link, record) if link.column.try(:association)
    options[:authorized] = false if link.action.nil? || link.controller.nil?
    options.delete :link if link.crud_type == :create
  end
  if link.action.nil? || (link.type == :member && options.key?(:authorized) && !options[:authorized])
    action_link_html(link, nil, {:link => action_link_text(link, options), :class => "disabled #{link.action}#{" #{link.html_options[:class]}" if link.html_options[:class].present?}", :title => options[:not_authorized_reason]}, record)
  else
    url = action_link_url(link, record)
    html_options = action_link_html_options(link, record, options)
    action_link_html(link, url, html_options, record)
  end
end

#replace_id_params_in_action_link_url(link, record, url) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 179

def replace_id_params_in_action_link_url(link, record, url)
  url = record ? url.sub('--ID--', record.to_param.to_s) : url.clone
  if link.column.try(:association).try(:singular?)
    child_id = record.send(link.column.association.name).try(:to_param)
    if child_id.present?
      url.sub!('--CHILD_ID--', child_id)
    else
      url.sub!(/\w+=--CHILD_ID--&?/, '')
      url.sub!(/\?$/, '')
    end
  elsif nested?
    url.sub!('--CHILD_ID--', params[nested.param_name].to_s)
  end
  url
end

#replaced_action_link_url_options(link, record) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 287

def replaced_action_link_url_options(link, record)
  url = cached_action_link_url_options(link, record)
  url[:controller] ||= params[:controller]
  missing_options, url_options = url.partition { |_, v| v.nil? }
  replacements = {}
  replacements['--ID--'] = record.id.to_s if record
  if link.column.try(:association).try(:singular?)
    replacements['--CHILD_ID--'] = record.send(link.column.association.name).try(:id).to_s
  elsif nested?
    replacements['--CHILD_ID--'] = params[nested.param_name].to_s
  end
  url_options.collect! do |k, v|
    [k.to_s, replacements[v] || v]
  end
  [missing_options, url_options]
end

#skip_action_link?(link, *args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 9

def skip_action_link?(link, *args)
  !link.ignore_method.nil? && controller.respond_to?(link.ignore_method, true) && controller.send(link.ignore_method, *args)
end

#sti_record?(record) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 155

def sti_record?(record)
  return unless active_scaffold_config.active_record?
  model = active_scaffold_config.model
  record && model.columns_hash.include?(model.inheritance_column) &&
    record[model.inheritance_column].present? && !record.instance_of?(model)
end

#url_options_for_nested_link(column, record, link, url_options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 373

def url_options_for_nested_link(column, record, link, url_options)
  if column.try(:association)
    url_options[:parent_scaffold] = controller_path
    url_options[column.model.name.foreign_key.to_sym] = url_options.delete(:id)
    url_options[:id] = if column.association.singular? && url_options[:action].to_sym != :index
                         '--CHILD_ID--'
                       end
  elsif link.parameters && link.parameters[:named_scope]
    url_options[:parent_scaffold] = controller_path
    url_options[active_scaffold_config.model.name.foreign_key.to_sym] = url_options.delete(:id)
  end
end

#url_options_for_sti_link(column, record, link, url_options) ⇒ Object 



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 386

def url_options_for_sti_link(column, record, link, url_options)
  # need to find out controller of current record type and set parameters
  # it's quite difficult to detect an sti link
  # if link.column.nil? we are sure that it isn't a singular association inline autolink
  # however that will not work if a sti parent is a singular association inline autolink
  return unless link.column.nil?
  return if (sti_controller_path = controller_path_for_activerecord(record.class)).nil?
  url_options[:controller] = sti_controller_path
  url_options[:parent_sti] = controller_path
end