parseBoxConstraints function

BoxConstraints parseBoxConstraints(Map<String, dynamic>? map)

Implementation

BoxConstraints parseBoxConstraints(Map<String, dynamic>? map) {
  double minWidth = 0.0;
  double maxWidth = double.infinity;
  double minHeight = 0.0;
  double maxHeight = double.infinity;

  if (map != null) {
    if (map.containsKey('minWidth')) {
      var minWidthValue = map['minWidth']?.toDouble();

      if (minWidthValue != null) {
        if (minWidthValue >= infinity) {
          minWidth = double.infinity;
        } else {
          minWidth = minWidthValue;
        }
      }
    }

    if (map.containsKey('maxWidth')) {
      var maxWidthValue = map['maxWidth']?.toDouble();

      if (maxWidthValue != null) {
        if (maxWidthValue >= infinity) {
          maxWidth = double.infinity;
        } else {
          maxWidth = maxWidthValue;
        }
      }
    }

    if (map.containsKey('minHeight')) {
      var minHeightValue = map['minHeight']?.toDouble();

      if (minHeightValue != null) {
        if (minHeightValue >= infinity) {
          minHeight = double.infinity;
        } else {
          minHeight = minHeightValue;
        }
      }
    }

    if (map.containsKey('maxHeight')) {
      var maxHeightValue = map['maxHeight']?.toDouble();

      if (maxHeightValue != null) {
        if (maxHeightValue >= infinity) {
          maxHeight = double.infinity;
        } else {
          maxHeight = maxHeightValue;
        }
      }
    }
  }

  return BoxConstraints(
    minWidth: minWidth,
    maxWidth: maxWidth,
    minHeight: minHeight,
    maxHeight: maxHeight,
  );
}