controller property

@override TextEditingControllerImp controller

A controller for an editable text field.

Implementation

@override
TextEditingControllerImp get controller {
  if (!_formIsSet) {
    form ??= InjectedFormImp._currentInitializedForm;
    _formIsSet = true; // TODO check me
    if (form != null) {
      formTextFieldDisposer =
          (form as InjectedFormImp).addTextFieldToForm(this);

      if (form!.autovalidateMode == AutovalidateMode.always) {
        //When initialized and always auto validated, then validate in the next
        //frame
        WidgetsBinding.instance.addPostFrameCallback(
          (timeStamp) {
            form!.validate();
          },
        );
      } else {
        if (_validateOnLoseFocus == null && _validateOnValueChange != true) {
          //If the TextField is inside a On.form, set _validateOnLoseFocus to
          //true if it is not
          _validateOnLoseFocus = true;
          if (!_isValidOnLoseFocusDefined) {
            _listenToFocusNodeForValidation();
          }
        }
      }
    }
  }

  if (_controller != null) {
    value; // fix issue 241
    return _controller!;
  }
  // _removeFromInjectedList = addToInjectedModels(this);

  _controller ??= TextEditingControllerImp.fromValue(
    TextEditingValue(
      text: initialValue ?? '',
      selection: _selection,
      composing: _composing,
    ),
    inj: this,
  );
  if (_validator == null) {
    //If the field is not validate then set its snapshot to hasData, so that
    //in the [InjectedForm.isValid] consider it as a valid field
    snapValue = snapValue.copyToHasData(text);
  }

  // else {
  //   //IF there is a validator, then set with idle flag so that isValid
  //   //is false unless validator is called
  //   snapState = snapState.copyToIsIdle(this.text);
  // }
  _controller!.addListener(() {
    if (isReadOnly) {
      if (_controller!.text != snapValue.state) {
        _controller!.text = snapValue.state;
      }
      return;
    }
    onTextEditing?.call(this);
    if (snapValue.state == _controller!.text) {
      //if only selection is changed notify and return
      notify();
      return;
    }
    isDirty = _controller!.text.trim() != _initialIsDirtyText.trim();
    snapValue = snapValue.copyWith(data: _controller!.text);
    if (form != null) {
      //If form is not null than override the autoValidate of this Injected
      _validateOnValueChange ??=
          form!.autovalidateMode != AutovalidateMode.disabled;
    }
    if (_validateOnValueChange ?? !(_validateOnLoseFocus ?? false)) {
      validate();
    }
    notify();
  });

  return _controller!;
}