// Copyright 2014 The Flutter Authors. 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';

Iterable<Widget> divideTiles({BuildContext context, @required Iterable<Widget> tiles, Color color, includeLast = false}) sync* {
  assert(tiles != null);
  assert(color != null || context != null);

  final Iterator<Widget> iterator = tiles.iterator;
  final bool isNotEmpty = iterator.moveNext();

  final Decoration decoration = BoxDecoration(
    border: Border(
      bottom: Divider.createBorderSide(context, color: color),
    ),
  );

  Widget tile = iterator.current;
  while (iterator.moveNext()) {
    yield DecoratedBox(
      position: DecorationPosition.foreground,
      decoration: decoration,
      child: tile,
    );
    tile = iterator.current;
  }
  if (isNotEmpty) yield includeLast ? DecoratedBox(
    position: DecorationPosition.foreground,
    decoration: decoration,
    child: tile,
  ) : tile;
}