Ejemplo n.º 1
0
        Widget _buildCart(BuildContext context, Widget child)
        {
            AppStateModel model = ScopedModel <AppStateModel> .of(context);

            int   numProducts       = model.productsInCart.Keys.Count;
            int   totalCartQuantity = model.totalCartQuantity;
            Size  screenSize        = MediaQuery.of(context).size;
            float screenWidth       = screenSize.width;
            float screenHeight      = screenSize.height;

            _width                     = _widthFor(numProducts);
            _widthAnimation            = _getWidthAnimation(screenWidth);
            _heightAnimation           = _getHeightAnimation(screenHeight);
            _shapeAnimation            = _getShapeAnimation();
            _thumbnailOpacityAnimation = _getThumbnailOpacityAnimation();
            _cartOpacityAnimation      = _getCartOpacityAnimation();

            return(new Container(
                       width: _widthAnimation.value,
                       height: _heightAnimation.value,
                       child: new Material(
                           animationDuration: TimeSpan.FromMilliseconds(0),
                           shape: new BeveledRectangleBorder(
                               borderRadius: BorderRadius.only(
                                   topLeft: Radius.circular(_shapeAnimation.value)
                                   )
                               ),
                           elevation: 4.0f,
                           color: shrineColorsUtils.kShrinePink50,
                           child: _cartIsVisible
            ? _buildShoppingCartPage()
            : _buildThumbnails(numProducts)
                           )
                       ));
        }
Ejemplo n.º 2
0
        Product _productWithId(int productId)
        {
            AppStateModel model = ScopedModel <AppStateModel> .of(context);

            Product product = model.getProductById(productId);

            D.assert(product != null);
            return(product);
        }
Ejemplo n.º 3
0
 public override void initState()
 {
     base.initState();
     _list = new _ListModel(
         listKey: _listKey,
         initialItems: ScopedModel <AppStateModel> .of(context).productsInCart.Keys.ToList(),
         removedItemBuilder: _buildRemovedThumbnail
         );
     _internalList = new List <int>(_list.list);
 }
Ejemplo n.º 4
0
        void _updateLists()
        {
            _internalList = ScopedModel <AppStateModel> .of(context).productsInCart.Keys.ToList();

            HashSet <int> internalSet = new HashSet <int>(_internalList);
            HashSet <int> listSet     = new HashSet <int>(_list.list);

            HashSet <int> difference = new HashSet <int>();

            foreach (var _set in internalSet)
            {
                if (!listSet.Contains(_set))
                {
                    difference.Add(_set);
                }
            }
            if (difference.isEmpty())
            {
                return;
            }

            foreach (int product in difference)
            {
                if (_internalList.Count < _list.length)
                {
                    _list.remove(product);
                }
                else if (_internalList.Count > _list.length)
                {
                    _list.add(product);
                }
            }

            while (_internalList.Count != _list.length)
            {
                int index = 0;
                // Check bounds and that the list elements are the same
                while (_internalList.isNotEmpty() &&
                       _list.length > 0 &&
                       index < _internalList.Count &&
                       index < _list.length &&
                       _internalList[index] == _list.ElementAt(index))
                {
                    index++;
                }
            }
        }