addText method

dynamic addText(
  1. String insertText
)

Implementation

addText(String insertText) {
  String newText =
      selection.textBefore(text) + insertText + selection.textAfter(text);
  value = TextEditingValue(
      text: newText,
      selection: selection.copyWith(
          baseOffset: selection.baseOffset + insertText.length,
          extentOffset: selection.baseOffset + insertText.length));
}