Class: MenuItem

Inherits:

Object

• Object
• MenuItem

show all

Includes:

ActionView::Helpers::TagHelper, ActionView::Helpers::UrlHelper

Defined in:

lib/semantic_menu.rb

Instance Attribute Summary (collapse)

• - (Object) children

  Returns the value of attribute children.

• - (Object) link

  Returns the value of attribute link.

Instance Method Summary (collapse)

• - (Boolean) active?
• - (Object) add(title, link, link_opts = {}, &block)
• - (Object) child_output
• - (MenuItem) initialize(title, link, level, link_opts = {}) constructor

  A new instance of MenuItem.

• - (Object) level_class
• - (Boolean) on_current_page?
• - (Object) to_s

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# File 'lib/semantic_menu.rb', line 12

def initialize(title, link, level, link_opts={})
  @title, @link, @level, @link_opts = title, link, level, link_opts
  @children = []
end

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# File 'lib/semantic_menu.rb', line 9

def children
  @children
end

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# File 'lib/semantic_menu.rb', line 9

def link
  @link
end

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# File 'lib/semantic_menu.rb', line 36

def active?
  children.any?(&:active?) || on_current_page?
end

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# File 'lib/semantic_menu.rb', line 17

def add(title, link, link_opts={}, &block)
  returning(MenuItem.new(title, link, @level +1, link_opts)) do |adding|
    @children << adding
    yield adding if block_given?
  end
end

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# File 'lib/semantic_menu.rb', line 32

def child_output
  children.empty? ? '' : content_tag(:ul, @children.collect(&:to_s).join, :class => level_class)
end

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# File 'lib/semantic_menu.rb', line 28

def level_class
  "menu_level_#{@level}"
end

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# File 'lib/semantic_menu.rb', line 40

def on_current_page?
  @controller = @@controller # set it for current_page? defined in UrlHelper
  current_page?(@link)
end

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# File 'lib/semantic_menu.rb', line 24

def to_s
  content_tag :li, link_to(@title, @link, @link_opts) + child_output, ({:class => 'active'} if active?)
end