editorUI(formID, controlPosition) {
    const d = this.d
    const data = this.data
    const id = formID || data.formID

    const controlPositionClass = (controlPosition || '') === 'left' ? 'controls-left' : 'controls-right'

    d.editorWrap = m('div', null, {
      id: `${data.formID}-form-wrap`,
      className: `form-wrap form-builder formbuilder-embedded-bootstrap ${mobileClass()} ${controlPositionClass}`,
    })

    d.stage = m('ul', null, {
      id,
      className: 'frmb stage-wrap',
    })

    // Create container for controls
    d.controls = m('ul', null, {
      id: `${id}-control-box`,
      className: 'frmb-control',
    })

    const buttons = this.formActionButtons()
    d.formActions = m('div', buttons, {
      className: 'form-actions btn-group',
    })
  }
Generate stage and controls dom elements
@param  {string} formID
@param  {string} controlPosition