handleRegionFields method

dynamic handleRegionFields(FileIDE file)

Implementation

handleRegionFields(FileIDE file) async {
  SharedPreferences prefs = await SharedPreferences.getInstance();

  if (file.hasRegion) {
    int regionStart = file.region.start!;
    int regionEnd = file.region.end!;

    if (prefs.get(file.id) != null) {
      regionStart = int.parse(prefs.getString(file.id)?.split(':')[0] ?? '');
      regionEnd = int.parse(prefs.getString(file.id)?.split(':')[1] ?? '');
    }

    int lines = file.content.split('\n').length;

    if (lines >= 1) {
      String beforeEditableRegionText =
          file.content.split('\n').sublist(0, regionStart).join('\n');

      String inEditableRegionText = file.content
          .split('\n')
          .sublist(regionStart, regionEnd - 1)
          .join('\n');

      String afterEditableRegionText = file.content
          .split('\n')
          .sublist(regionEnd - 1, file.content.split('\n').length)
          .join('\n');
      beforeController.text = beforeEditableRegionText;
      inController.text = inEditableRegionText;
      afterController.text = afterEditableRegionText;
    }
  } else {
    beforeController.text = '';
    inController.text = file.content;
    afterController.text = '';
  }

  updateLineCount(inController.text, RegionPosition.inner);
}