Class: MenuBlock

Inherits:
Object
  • Object
show all
Defined in:
lib/components/menu_block.rb

Defined Under Namespace

Classes: MenuItem

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(view_context, html_options = {}) ⇒ MenuBlock

Returns a new instance of MenuBlock.



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# File 'lib/components/menu_block.rb', line 6

def initialize(view_context, html_options = {})
  @context = view_context
  @html_options = html_options
  @items = []
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/components/menu_block.rb', line 3

def context
  @context
end

#html_options ⇒ Object (readonly)

Returns the value of attribute html_options.



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# File 'lib/components/menu_block.rb', line 4

def html_options
  @html_options
end

#items ⇒ Object (readonly)

Returns the value of attribute items.



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# File 'lib/components/menu_block.rb', line 2

def items
  @items
end

Instance Method Details

#add_item(name, default: false, match_params: {}, &route_block) ⇒ Object

Adds a menu item to the menu block

Options

  • default: false - Whether or not this item is default if nothing else is active.

  • match_params: {} - Pass a hash to compare with params. Leave blank for defaults matchers. To use: {action: [:new, :create], id: '12345'}.

Examples

For a regular default menu item

= menu.add_item('Profile', default: true) { edit_person_path(@person, page: 'profile') }

For a subitem you can so something like this

.subitems
  = menu.add_item('New Custom Profile', match_params: {action: [:new, :create]}) { new_person_custom_profile_path(@person) }



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# File 'lib/components/menu_block.rb', line 28

def add_item(name, default: false, match_params: {}, &route_block)
  items << MenuItem.new(context, name, default: default, match_params: match_params, &route_block)

  placeholder(items.length - 1)
end

#render(&block) ⇒ Object 



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# File 'lib/components/menu_block.rb', line 34

def render(&block)
  # Grab the HTML from the block so that custom HTML can be injected into the menu
  html = context.capture(self, &block)

  items.each_with_index do |item, i|
    opts = html_options.dup || {}
    if item.active? || (items.none?(&:active?) && item.default?)
      opts[:class] = [html_options[:class], 'active'].compact.join(' ')
    end

    html[placeholder(i)] = context.link_to(item.name, item.route, opts)
  end

  html
end