Esempio n. 1
0
 public void RecycleCell(NativeCell view, FastCell newCell)
 {
     if (CellItemsByCoreCells.ContainsKey(view))
     {
         var reusedItem = CellItemsByCoreCells[view];
         if (OriginalBindingContextsForReusedItems.ContainsKey(newCell))
         {
             reusedItem.BindingContext = OriginalBindingContextsForReusedItems[newCell];
         }
         else
         {
             reusedItem.BindingContext = newCell.BindingContext;
         }
     }
 }
Esempio n. 2
0
 public bool IsCached(NativeCell view)
 {
     return(CellItemsByCoreCells.ContainsKey(view));
 }
Esempio n. 3
0
 public void CacheCell(FastCell cell, NativeCell view)
 {
     CellItemsByCoreCells[view] = cell;
     OriginalBindingContextsForReusedItems[cell] = cell.BindingContext;
 }
        public override UITableViewCell GetCell(Cell item, UITableViewCell reusableCell, UITableView tv)
        {
            cellId = cellId ?? new NSString(item.GetType().FullName);
            var cellCache  = FastCellCache.Instance.GetCellCache(tv);
            var fastCell   = item as FastCell;
            var nativeCell = reusableCell as NativeCell;
            var view       = item as FastCell;


            if (reusableCell != null && cellCache.IsCached(nativeCell))
            {
                cellCache.RecycleCell(nativeCell, fastCell);

                if (fastCell.SelectionMode)
                {
                    nativeCell.SelectedBackgroundView = new UIView
                    {
                        BackgroundColor = view.SelectedBackgroundColor.ToUIColor(),
                    };
                }
                else
                {
                    //nativeCell.SelectedBackgroundView = new UIView
                    //{
                    //    BackgroundColor = UIColor.Clear,
                    //};
                    nativeCell.SelectionStyle = UITableViewCellSelectionStyle.None;
                }
            }
            else
            {
                var newCell = (FastCell)Activator.CreateInstance(item.GetType());
                newCell.BindingContext = item.BindingContext;
                newCell.Parent         = item.Parent;

                if (!newCell.IsInitialized)
                {
                    newCell.PrepareCell();
                }
                nativeCell = new NativeCell(cellId, newCell);
                cellCache.CacheCell(newCell, nativeCell);

                if (fastCell.SelectionMode)
                {
                    nativeCell.SelectedBackgroundView = new UIView
                    {
                        BackgroundColor = view.SelectedBackgroundColor.ToUIColor(),
                    };
                }
                else
                {
                    nativeCell.SelectionStyle = UITableViewCellSelectionStyle.None;
                }
            }

            var parentListview = fastCell.Parent as MvvmAspire.Controls.ListView;

            if (parentListview != null)
            {
                parentListview.Raise("ItemAppearing", new ItemVisibilityEventArgs(item.BindingContext));
            }

            return(nativeCell);
        }