Class: SemanticNavigation::Core::Navigation

Inherits:
Base
  • Object
show all
Defined in:
lib/semantic_navigation/core/navigation.rb

Direct Known Subclasses

Node

Instance Attribute Summary collapse

Attributes inherited from Base

#active, #classes, #html, #id, #level, #render_if

Instance Method Summary collapse

Methods inherited from Base

#render

Constructor Details

#initialize(options, level = 0) ⇒ Navigation

Returns a new instance of Navigation.



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# File 'lib/semantic_navigation/core/navigation.rb', line 6

def initialize(options, level = 0)
  @sub_elements = []
  @scope_options = {}
  super options, level
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object 



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# File 'lib/semantic_navigation/core/navigation.rb', line 64

def method_missing(m,*args,&block)
  if m.to_s.match(/^[_]+$/).to_a.size > 0
    divider
  else
    super(m,args,&block)
  end
end

Instance Attribute Details

#sub_elements ⇒ Object

Returns the value of attribute sub_elements.



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# File 'lib/semantic_navigation/core/navigation.rb', line 4

def sub_elements
  @sub_elements
end

Instance Method Details

#divider(options = {}) ⇒ Object 



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# File 'lib/semantic_navigation/core/navigation.rb', line 55

def divider(options = {})
  options[:id] = :divider
  options[:render_if] ||= @scope_options[:render_if]
  options[:url] = nil
  options[:i18n_name] = nil
  options[:name] = nil
  @sub_elements.push Leaf.new(options, @level+1)
end

#header(id, options = {}) ⇒ Object 



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# File 'lib/semantic_navigation/core/navigation.rb', line 47

def header(id, options={})
  options[:id] = id.to_sym
  options[:render_if] ||= @scope_options[:render_if]
  options[:url] = nil
  options[:i18n_name] = @i18n_name
  @sub_elements.push Leaf.new(options, @level+1)
end

#item(id, url = nil, options = {}, &block) ⇒ Object 



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# File 'lib/semantic_navigation/core/navigation.rb', line 12

def item(id, url=nil, options={}, &block)
  options[:id] = id.to_sym
  options[:render_if] ||= @scope_options[:render_if]

  if url.is_a?(Array)
    options[:url] = [url].flatten(1).map{|url| decode_url(url)}
  else
    options[:url] = decode_url(url)
  end

  options[:i18n_name] = @i18n_name

  if block_given?
    element = Node.new(options, @level+1)
    element.instance_eval &block
  else
    element = Leaf.new(options, @level+1)
    #Deprecation warning message
    #TODO:Should be deleted after moving the header and divider definition via item
    if element.url.nil? && !element.name.empty?
      SemanticNavigation.deprecation_message(:method,
                                             'item',
                                             'header',
                                             'header definition')
    elsif element.url.nil? && element.name.empty?
      SemanticNavigation.deprecation_message(:method,
                                             'item',
                                             'header',
                                             'divider definition')
    end
  end

  @sub_elements.push element
end

#mark_active ⇒ Object 



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# File 'lib/semantic_navigation/core/navigation.rb', line 78

def mark_active
  @sub_elements.each do |element|
    element.mark_active
  end
  @active = !@sub_elements.find{|element| element.active}.nil?
end

#scope(options = {}, &block) ⇒ Object 



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# File 'lib/semantic_navigation/core/navigation.rb', line 72

def scope(options = {}, &block)
  @scope_options = options
  self.instance_eval &block
  @scope_options = {}
end