define [
  'jquery',
  'underscore',
  'backbone',
  'raphael',
  'globals',
  'cs!utils'
], ($, _, Backbone, Raphael, globals, Utils) ->

  # A base class for whiteboard tools
  WhiteboardToolModel = Backbone.Model.extend

    initialize: (@paper) ->
      @gh = 0
      @gw = 0
      @obj = 0
      # the defintion of this shape, kept so we can redraw the shape whenever needed
      @definition = []

    setPaperSize: (@gh, @gw) ->

    setOffsets: (@xOffset, @yOffset) ->

    setPaperDimensions: (@paperWidth, @paperHeight) ->
      # TODO: can't we simply take the width and the height from `@paper`?

    getDefinition: () ->
      @definition

    hide: () ->
      @obj.hide() if @obj?

  WhiteboardToolModel