selectAllEnabled property

Implementation

@override
bool get selectAllEnabled {
  if (widget.selectionControls is! TextSelectionHandleControls) {
    return widget.toolbarOptions.selectAll && (!widget.readOnly || !widget.obscureText) && widget.enableInteractiveSelection;
  }

  if (!widget.enableInteractiveSelection
      || (widget.readOnly
          && widget.obscureText)) {
    return false;
  }

  switch (defaultTargetPlatform) {
    case TargetPlatform.macOS:
      return false;
    case TargetPlatform.iOS:
      return textEditingValue.text.isNotEmpty
          && textEditingValue.selection.isCollapsed;
    case TargetPlatform.android:
    case TargetPlatform.fuchsia:
    case TargetPlatform.linux:
    case TargetPlatform.windows:
      return textEditingValue.text.isNotEmpty
         && !(textEditingValue.selection.start == 0
             && textEditingValue.selection.end == textEditingValue.text.length);
  }
}