Method update

src/View/Encoder.js:87–128

* Updates view on model change. * @return {View} Fluent interface

()

   * @return {View} Fluent interface
   */
  update () {
    // Update action
    const reverse = this.getModel().isReverse()

    if (reverse) {
      this._$encodeAction.classList.remove('brick__action--active')
      this._$decodeAction &&
        this._$decodeAction.classList.add('brick__action--active')
    } else {
      this._$encodeAction.classList.add('brick__action--active')
      this._$decodeAction &&
        this._$decodeAction.classList.remove('brick__action--active')
    }

    // Update status
    const error = this.getModel().getLastError()
    const translation = this.getModel().getLastTranslationMeta()

    if (translation !== null) {
      const status = translation.isEncode ? 'forward' : 'backward'
      let message =
        `${translation.isEncode !== reverse ? 'Encoded' : 'Decoded'} `

      if (translation.charCount !== null) {
        message +=
          `${translation.charCount} ` +
          `${translation.charCount === 1 ? 'char' : 'chars'}`
      } else {
        message +=
          `${translation.byteCount} ` +
          `${translation.byteCount === 1 ? 'byte' : 'bytes'}`
      }

      return this.updateStatus(status, message)
    }

    if (error !== null) {
      return this.updateStatus('error', error.message)
    }

    return this
  }
}