Class: EverydayMenu::CommandList

Inherits:
Object
  • Object
show all
Defined in:
lib/everyday-menu/utils.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, label) ⇒ CommandList

Returns a new instance of CommandList.



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# File 'lib/everyday-menu/utils.rb', line 32

def initialize(parent, label)
  @parent = parent
  @label  = label
  @items  = {}
  @rand   = Random.new
end

Instance Attribute Details

#label ⇒ Object

Returns the value of attribute label.



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# File 'lib/everyday-menu/utils.rb', line 30

def label
  @label
end

Instance Method Details

#[](id) ⇒ Object 



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# File 'lib/everyday-menu/utils.rb', line 56

def [](id)
  @items[id]
end

#add(command_id = nil, &block) ⇒ Object 



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# File 'lib/everyday-menu/utils.rb', line 51

def add(command_id = nil, &block)
  id         = command_id || rand_id
  @items[id] = EverydayCommand.new(@parent, @label, id, &block)
end

#canExecute ⇒ Object 



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# File 'lib/everyday-menu/utils.rb', line 64

def canExecute
  @items.values.any? { |item| item.canExecute }
end

#execute(sender) ⇒ Object 



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# File 'lib/everyday-menu/utils.rb', line 60

def execute(sender)
  @items.values.each { |item| item.execute(sender) }
end

#md5(str) ⇒ Object 



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# File 'lib/everyday-menu/utils.rb', line 39

def md5(str)
  str.dataUsingEncoding(NSUTF8StringEncoding).MD5HexDigest
end

#rand_id ⇒ Object 



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# File 'lib/everyday-menu/utils.rb', line 47

def rand_id
  :"command_id_#{unique_id}"
end

#unique_id ⇒ Object 



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# File 'lib/everyday-menu/utils.rb', line 43

def unique_id
  md5(WeakRef.new("#{@rand.rand}#{@rand.rand}"))
end