apply method

  1. @override
TextEditingValue apply(
  1. TextEditingValue value
)
override

This method will take the given TextEditingValue and return a new TextEditingValue with that instance of TextEditingDelta applied to it.

Implementation

@override
TextEditingValue apply(TextEditingValue value) {
  // To stay inline with the plain text model we should follow a last write wins
  // policy and apply the delta to the oldText. This is due to the asynchronous
  // nature of the connection between the framework and platform text input plugins.
  assert(
    _debugTextRangeIsValid(selection, oldText),
    'Applying TextEditingDeltaNonTextUpdate failed, the selection range: $selection is not within the bounds of $oldText of length: ${oldText.length}',
  );
  assert(
    _debugTextRangeIsValid(composing, oldText),
    'Applying TextEditingDeltaNonTextUpdate failed, the composing region: $composing is not within the bounds of $oldText of length: ${oldText.length}',
  );
  return TextEditingValue(text: oldText, selection: selection, composing: composing);
}