canonical layout models

canonical_models.dart

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

import 'package:flutter/material.dart';

/// StartEndPaneEnum as we need in the FlexContentPane to 
/// know whether its a start or end pane per from the parent 
/// CustomTwoPane layout.
/// 
/// @author Fredrick Allan Grott
enum StartEndPaneEnum {
  end,
  start,
}



/// In our FlexPaneModel we have to initialize 
/// the variables. They will be reset in the 
/// CustomTwoPane layout.
///
/// @author Fredrick Allan  Grott
class  FlexPaneModel  with ChangeNotifier {
  Axis _appDirection = Axis.vertical;

  Rect _appSeamRect = const Offset(1.0, 2.0) & const Size(3.0, 4.0);

  Axis get appDirection => _appDirection;

  
  Rect get appSeamRect => _appSeamRect;

  set appDirection(Axis value) {
    _appDirection = value;
    notifyListeners();
  }

  set appSeamRect(Rect value) {
    _appSeamRect = value;
    notifyListeners();

  }



}