TextEditingValue.fromJSON constructor
Creates an instance of this class from a JSON object.
Implementation
factory TextEditingValue.fromJSON(Map<String, dynamic> encoded) {
final String text = encoded['text'] as String;
final TextSelection selection = TextSelection(
baseOffset: encoded['selectionBase'] as int? ?? -1,
extentOffset: encoded['selectionExtent'] as int? ?? -1,
affinity: _toTextAffinity(encoded['selectionAffinity'] as String?) ?? TextAffinity.downstream,
isDirectional: encoded['selectionIsDirectional'] as bool? ?? false,
);
final TextRange composing = TextRange(
start: encoded['composingBase'] as int? ?? -1,
end: encoded['composingExtent'] as int? ?? -1,
);
assert(_textRangeIsValid(selection, text));
assert(_textRangeIsValid(composing, text));
return TextEditingValue(
text: text,
selection: selection,
composing: composing,
);
}