constantEntry method

Implementation

Widget constantEntry() {
  return SizedBox(
    width: 150,
    child: MarkdownTooltip(
      message: '''

      Enter a constant value for the imputation. Typically this might be 0 or
      some sentinel value like 99 for numeric variables, if appropriate, or
      'Missing' for a categoric variable. This field is only editable when the
      Constant chip is selected.

      ''',
      child: TextField(
        controller: _controller,
        decoration: const InputDecoration(
          labelText: 'Constant',
          border: OutlineInputBorder(),
        ),
        enabled: selectedTransform == 'Constant',
      ),
    ),
  );
}