insertRow method

Implementation

Future<bool> insertRow(String? jsonOrXml, int? rowIndex) async {
  try {
    var view = findListenerOfExactType(TableViewState);
    if (view is TableViewState) {
      // get current row index if not specified
      rowIndex ??= view.currentRowIndex ?? 0;

      // add empty element to the data set
      // important to do this first as
      // get row model below depends on an entry
      // in the dataset at specified index
      notificationsEnabled = false;
      myDataSource?.insert(jsonOrXml, rowIndex, notifyListeners: false);
      data = myDataSource?.data ?? data;
      notificationsEnabled = true;

      // open up a space for the new model
      insertInHashmap(rows, rowIndex);

      // create new row
      var row = getRowModel(rowIndex);

      // add row to rows
      if (row != null) {
        rows[rowIndex] = row;

        // fire the rows onInsert event
        await row.onInsertHandler();
      }

      //data = myDataSource?.notify();

      // add row to table view
      rowIndex = view.insertRow(rowIndex);
    }
  } catch (e) {
    Log().exception(e);
  }
  return true;
}