StraightKey input view for morse code sample

gistfile1.coffee

class StraightKeyInput extends Backbone.View

   initialize: ->
      @dashTimer = null
      @dashFlag = false
      @wordStopTimer = null
      @wordStopFlag = false

   events:
      'mousedown #straight-key': 'startTimers',
      'mouseup #straight-key': 'sendUserInput'
      
   startTimers: =>
      @dashTimer = setTimeout(@dashTimerExpired, 250)
      @wordStopTimer = setTimeout(
       @wordStopTimerExpired, 1000)
      
   dashTimerExpired: =>
      @dashFlag = true
      
   wordStopTimerExpired: =>
      @wordStopFlag = true
   
   sendUserInput: =>
      if @wordStopFlag
         @model.addToken(kWordStopToken)
      else if @dashFlag
         @model.addToken(kDashToken)
      else
         @model.addToken(kDotToken)

      clearTimeout(@dashTimer)
      clearTimeout(@wordStopTimer)
      @dashFlag = false
      @wordStopFlag = false