Class: VMFolder

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ref, session, name, collapsed = false) ⇒ VMFolder

Returns a new instance of VMFolder.



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# File 'lib/VMFolder.rb', line 5

def initialize ref, session, name, collapsed = false
  @ref = ref
  @session = session
  @name = name
  @children = []
  @collapsed = collapsed
end

Instance Attribute Details

#collapsed ⇒ Object (readonly)

Returns the value of attribute collapsed.



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# File 'lib/VMFolder.rb', line 4

def collapsed
  @collapsed
end

Instance Method Details

#add_child(child) ⇒ Object 



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# File 'lib/VMFolder.rb', line 20

def add_child child
  @children.push child
end

#cached_state ⇒ Object 



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# File 'lib/VMFolder.rb', line 29

def cached_state
  state
end

#color(cached = nil) ⇒ Object 



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# File 'lib/VMFolder.rb', line 54

def color cached=nil
  @collapsed ? 'grey' : 'white'
end

#draw {|[@name, self]| ... } ⇒ Object

Yields:



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# File 'lib/VMFolder.rb', line 48

def draw
  yield [@name, self]
  unless @collapsed
  @children.each { |c| c.draw { |i| yield i } }
  end
end

#execute_task(task, *args) ⇒ Object 



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

def execute_task task, *args
  self.send task.to_sym, *args if has_task? task
  true
end

#fold ⇒ Object 



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

def fold
  @collapsed = true
end

#fold_children ⇒ Object 



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# File 'lib/VMFolder.rb', line 45

def fold_children
  @children.each { |c| c.fold if c.respond_to? :fold }
end

#has_task?(task) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/VMFolder.rb', line 23

def has_task? task
  ['fold', 'unfold','toggle_fold','fold_children'].include? task.to_s
end

#name ⇒ Object 



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

def name
  @name.strip
end

#save_data ⇒ Object 



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# File 'lib/VMFolder.rb', line 15

def save_data
  result = { :collapsed => @collapsed }
  @children.each { |c| result[c.name] = c.save_data if c.respond_to? :save_data }
  result
end

#state ⇒ Object 



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# File 'lib/VMFolder.rb', line 26

def state
  Hash[ :state => [], :hw => [] ]
end

#toggle_fold ⇒ Object 



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# File 'lib/VMFolder.rb', line 42

def toggle_fold
  @collapsed = !@collapsed
end

#unfold ⇒ Object 



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# File 'lib/VMFolder.rb', line 39

def unfold
  @collapsed = false
end