Module: LinkToActiveState::ViewHelpers::UrlHelper

Defined in:
lib/link_to_active_state/view_helpers/url_helper.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/link_to_active_state/view_helpers/url_helper.rb', line 7

def self.included(base)
  base.send(:alias_method_chain, :link_to, :active_state)
end

Instance Method Details



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# File 'lib/link_to_active_state/view_helpers/url_helper.rb', line 11

def link_to_with_active_state(*args, &block)
  link_options, html_options = if block_given?
    [args.first, args.second]
  else
    [args[1], args[2]]
  end

  options = {}
  link_options ||= {}
  html_options ||= {}
  wrapper_options = html_options.delete(:active_wrapper_options) || {}

  if html_options.present? && html_options[:active_on].present?
    active_on = html_options.delete(:active_on)
    active_state = html_options.delete(:active_state) || "active"

    if is_active?(active_on, link_options, html_options)
      case active_state
      when Proc
        options = options.merge(active_state.call(html_options))
        wrapper_options = wrapper_options.merge(active_state.call(html_options))
      when String
        options[:class] = merge_class(html_options[:class], active_state)
        wrapper_options[:class] = merge_class(wrapper_options[:class], active_state)
      end
    end
  end

  if html_options.present? && html_options[:active_wrapper]
    element_or_proc = html_options.delete(:active_wrapper)

    render_with_wrapper(element_or_proc, wrapper_options) do
      link_to_without_active_state(*args, &block)
    end
  else
    html_options.merge!(options)
    link_to_without_active_state(*args, &block)
  end
end