Function makeDropdownToolbar

Example

import { makeDropdownToolbar, Editor } from 'js-draw';

const editor = new Editor(document.body);
const toolbar = makeDropdownToolbar(editor);
toolbar.addDefaults();

toolbar.addExitButton(editor => {
  // TODO
});

toolbar.addSaveButton(editor => {
  // TODO
});

Returns a subclass of AbstractToolbar.