private void tile_AboutToDrag(ProviderTokenTile sender, ProviderTokenTileDragEventArgs e)
{
if (!AllowItemDrag)
return;
sender.QueryContinueDrag += new QueryContinueDragEventHandler(tile_QueryContinueDrag);
_internalDrag = true;
if (AllowDragArrange)
{
int index = _flow.Controls.IndexOf(sender);
_items.RemoveAt(index);
_flow.Controls.Add(_empty);
_flow.Controls.SetChildIndex(_empty, index);
_flow.Controls.Remove(sender);
}
}
private void _empty_AboutToDrop(ProviderTokenTile sender, ProviderTokenTileDragEventArgs e)
{
int index = _flow.Controls.IndexOf(_empty);
_flow.Controls.Remove(_empty);
if (index >= 0)
_items.Insert(index, e.TokenTile.Token.Provider);
e.Handled = true;
_internalDrag = false;
}
private void _items_ItemsAdded(IEnumerable<Tuple<int, IEventProvider>> items)
{
if (items.Count() > 0 && _flow.Controls.Count == 1 && _flow.Controls.Contains(_empty))
_flow.Controls.Remove(_empty);
foreach (var item in items)
{
var fresh = item.Item2;
var tile = new ProviderTokenTile();
tile.Token = new ProviderToken(fresh, _colorer);
tile.Width = ItemWidth;
tile.Height = ItemHeight;
tile.Margin = new System.Windows.Forms.Padding(0);
tile.AllowDrag = AllowItemDrag;
tile.AllowDrop = AllowDragArrange;
_flow.Controls.Add(tile);
_flow.Controls.SetChildIndex(tile, item.Item1);
tile.DragEnter += new DragEventHandler(_view_DragEnter);
tile.MouseMove += new MouseEventHandler(_view_MouseMove);
tile.MouseEnter += new EventHandler(_view_MouseEnter);
tile.MouseLeave += new EventHandler(_view_MouseLeave);
tile.AboutToDrag += new ProviderTokenTileDragEventHandler(tile_AboutToDrag);
}
adjustControls();
ItemsChanged();
}
