Class: Wee::Examples::Counter

Inherits:
Component show all
Defined in:
lib/wee/examples/counter.rb

Direct Known Subclasses

EditableCounter

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Component

#add_decoration, #backtrack_state_chain, #decoration, #decoration=, #do_render_chain, #each_decoration, #process_callbacks, #process_callbacks_chain, #remove_decoration, #remove_decoration_if

Methods inherited from Presenter

#do_render, #get_property, #lookup_property, #process_callbacks, #properties, #properties=, #session, template, uses_property

Constructor Details

#initialize(initial_count = 0) ⇒ Counter

Returns a new instance of Counter.



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# File 'lib/wee/examples/counter.rb', line 4

def initialize(initial_count=0)
  super()
  @count = initial_count 
end

Instance Attribute Details

#count ⇒ Object

Returns the value of attribute count.



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# File 'lib/wee/examples/counter.rb', line 2

def count
  @count
end

Instance Method Details

#backtrack_state(snap) ⇒ Object 



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# File 'lib/wee/examples/counter.rb', line 9

def backtrack_state(snap)
  super
  snap.add(self)
end

#dec ⇒ Object 



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# File 'lib/wee/examples/counter.rb', line 14

def dec
  @count -= 1
end

#inc ⇒ Object 



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# File 'lib/wee/examples/counter.rb', line 18

def inc
  @count += 1
end

#render ⇒ Object 



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# File 'lib/wee/examples/counter.rb', line 22

def render
  r.anchor.callback(:dec).with("--")
  r.space
  render_count
  r.space 
  r.anchor.callback(:inc).with("++")
end

#render_count ⇒ Object 



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# File 'lib/wee/examples/counter.rb', line 30

def render_count
  r.text @count.to_s
end