code: function (settings) {
          var self = this;
  
          settings = Tools.extend({
            height: 100,
            text: "Drop an image here",
            multiple: false,
            accept: null // by default accept any files
          }, settings);
  
          self._super(settings);
  
          self.classes.add('dropzone');
  
          if (settings.multiple) {
            self.classes.add('multiple');
          }
        }
docs: Constructs a instance with the specified settings.
  
  @constructor
  @param {Object} settings Name/value object with settings.
  @setting {Boolean} multiple True if the dropzone is a multiple control.
  @setting {Number} maxLength Max length for the dropzone.
  @setting {Number} size Size of the dropzone in characters.