estimateColumnWidth method

Implementation

double estimateColumnWidth(double availableWidth, TKeyValueTheme theme) {
  if (width != null) {
    return width!;
  }

  const double charWidth = 8.0;
  const double basePadding = 16.0;

  final headerLength = key.length;

  if (widget != null) {
    final finalWidth = (headerLength * charWidth) + basePadding;
    return math.max(theme.minGridColWidth, math.min(finalWidth, availableWidth * 0.6));
  }

  final valueLength = value?.length.toDouble() ?? 0;
  final maxLength = math.max(headerLength.toDouble(), valueLength);

  double scaledWidth;
  if (maxLength <= 32) {
    scaledWidth = maxLength * charWidth;
  } else if (maxLength <= 50) {
    final ratio = (maxLength - 32) / 18;
    scaledWidth = (32 * charWidth) + (ratio * (32 * charWidth * 0.2));
  } else if (maxLength <= 60) {
    final ratio = (maxLength - 50) / 10;
    scaledWidth = (32 * charWidth * 1.2) + (ratio * (42 * charWidth - 32 * charWidth * 1.2));
  } else {
    scaledWidth = math.min(42 * charWidth, availableWidth * 0.4);
  }

  final finalWidth = scaledWidth + basePadding;
  return math.max(theme.minGridColWidth, math.min(finalWidth, availableWidth * 0.6));
}