Module: ListLinkHelpers

Includes:
ContextualLinkHelpers
Defined in:
app/helpers/list_link_helpers.rb

Instance Method Summary collapse

Methods included from ContextualLinkHelpers

#action_to_icon, #contextual_link_to, #contextual_links, #contextual_links_for, #icon_link_to

Instance Method Details



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# File 'app/helpers/list_link_helpers.rb', line 14

def list_link_for(action, resource_or_model = nil, options = {})
  # Handle both symbols and strings
  action = action.to_s

  # Resource and Model setup
  # Support nested resources
  if resource_or_model.is_a? Array
    main_resource_or_model = resource_or_model.last
  else
    main_resource_or_model = resource_or_model
  end

  # Use controller name to guess resource or model if not specified
  case action
  when 'new', 'index'
    model = main_resource_or_model || controller_name.singularize.camelize.constantize
  when 'show', 'edit', 'delete'
    resource = main_resource_or_model || instance_variable_get("@#{controller_name.singularize}")
    model = resource.class
  end
  model_name = model.to_s.underscore

  # No link if CanCan is used and current user isn't authorized to call this action
  return if respond_to?(:can?) and cannot?(action.to_sym, model)

  # Link generation
  case action
  when 'index', 'show'
    path = polymorphic_path(resource_or_model)
  when 'delete'
    path = polymorphic_path(resource_or_model)
    options.merge!(:confirm => t_confirm_delete(main_resource_or_model), :method => :delete)
  else
    path = polymorphic_path(resource_or_model, :action => action)
  end

  return list_link_to(action, path, options)
end

#list_link_to(action, url, options = {}) ⇒ Object

List link helpers



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# File 'app/helpers/list_link_helpers.rb', line 5

def list_link_to(action, url, options = {})
  icon = options.delete(:icon)
  icon ||= action

  link_to(url_for(url), options) do
    boot_icon action_to_icon(icon)
  end
end

#list_links_for(action = nil, resource_or_model = nil) ⇒ Object 



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# File 'app/helpers/list_link_helpers.rb', line 53

def list_links_for(action = nil, resource_or_model = nil)
  # Use current action if not specified
  action ||= action_name

  # Handle both symbols and strings
  action = action.to_s

  actions = []
  case action
  when 'new', 'create'
    actions << 'index'
  when 'show'
    actions += ['edit', 'delete', 'index']
  when 'edit', 'update'
    actions += ['show', 'delete', 'index']
  when 'index'
    actions << 'new'
  end

  links = actions.map{|link_for| contextual_link_to(link_for, resource_or_model)}

  return links.join("\n").html_safe
end