/// <summary>
/// Handler for event. It makes drag from the cell.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">Mouse event arguments.</param>
public void HandleMouseLeftButtonDown(InventoryCellViewModel sender, MouseEventArgs args)
{
if (this.Item != null)
{
DependencyObject dragSource = args.Source as DependencyObject;
DragDrop.DoDragDrop(dragSource, this, DragDropEffects.Move);
}
}
/// <summary>
/// Handler for DragOver event. It describes conditions for dropping.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">Drag&Drop arguments.</param>
public void HandleDragOver(InventoryCellViewModel sender, DragEventArgs args)
{
if (args.Data.GetDataPresent(typeof(ItemsSourceViewModel)))
{
args.Effects = DragDropEffects.Copy;
}
else
{
args.Effects = DragDropEffects.None;
}
}
/// <summary>
/// Handler for Drop event.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">Drag&Drop arguments.</param>
public void HandleDrop(Image sender, DragEventArgs args)
{
if (null != args.Data && args.Data.GetDataPresent(typeof(ItemsSourceViewModel)))
{
ItemsSourceViewModel data = (ItemsSourceViewModel)args.Data.GetData(typeof(ItemsSourceViewModel));
_inventoryCell.Amount++;
_inventoryCell.Item = _itemsRepository.GetItemById(data.Item.Id);
//_inventoryCell.Item.ImageSource = data.Item.ImageSource;
NotifyOfPropertyChange(() => Amount);
NotifyOfPropertyChange(() => ImageSource);
}
else if (null != args.Data && args.Data.GetDataPresent(typeof(InventoryCellViewModel)))
{
InventoryCellViewModel data = (InventoryCellViewModel)args.Data.GetData(typeof(InventoryCellViewModel));
if (data == this || data?.Item == null)
{
return;
}
if (_inventoryCell.Amount == 0)
{
_inventoryCell.Item = data.Item;
NotifyOfPropertyChange(() => ImageSource);
}
_inventoryCell.Amount += data.Amount;
NotifyOfPropertyChange(() => Amount);
data.ClearCell();
}
else
{
return;
}
_inventoryCellRepository.UpdateCell(_inventoryCell);
}