FormatBar = function FormatBar(options, mediator, editor) {
  this.editor = editor;
  this.options = Object.assign({}, config.defaults.formatBar, options || {});
  this.commands = this.options.commands;
  this.mediator = mediator;
  this.isShown = false;

  this._ensureElement();

  this._bindFunctions();

  this._bindMediatedEvents();

  this.initialize.apply(this, arguments);
}
Format Bar
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Displayed on focus on a text area.
Renders with all available options for the editor instance