message: open picker on enter press
diff: @@ -106,6 +106,12 @@ export default class DateTextField extends PureComponent {
  this.openPicker(e);
  }
  + handleKeyPress = (e) => {
  + if (e.key === 'Enter') {
  + this.openPicker(e);
  + }
  + }
  +
  openPicker = (e) => {
  const { disabled, onClick } = this.props;
  @@ -150,6 +156,7 @@ export default class DateTextField extends PureComponent {
  onClick={this.handleFocus}
  error={!!error}
  helperText={error}
  + onKeyPress={this.handleKeyPress}
  onBlur={e => e.preventDefault() && e.stopPropagation()}
  disabled={disabled}
  value={displayValue}
  