private int GetRowIndexOfItemUnderMouseToDrop(DragEventArgs e)
{
// The mouse locations are relative to the screen, so they must be
// converted to client coordinates.
Point clientPoint = DataGridViewMapas.PointToClient(new Point(e.X, e.Y));
// Get the row index of the item the mouse is below.
return(DataGridViewMapas.HitTest(clientPoint.X, clientPoint.Y).RowIndex);
}
//private int rowIndexOfItemUnderMouseToDrop;
private void DataGridViewMapas_MouseMove(object sender, MouseEventArgs e)
{
if ((e.Button & MouseButtons.Left) == MouseButtons.Left)
{
// If the mouse moves outside the rectangle, start the drag.
if (dragBoxFromMouseDown != Rectangle.Empty &&
!dragBoxFromMouseDown.Contains(e.X, e.Y))
{
// Proceed with the drag and drop, passing in the list item.
DragDropEffects dropEffect = DataGridViewMapas.DoDragDrop(
DataGridViewMapas.Rows[rowIndexFromMouseDown],
DragDropEffects.Move);
_ddSource = DragDropSource.Mapas;
}
}
}
private void DataGridViewMapas_MouseDown(object sender, MouseEventArgs e)
{
// Get the index of the item the mouse is below.
rowIndexFromMouseDown = DataGridViewMapas.HitTest(e.X, e.Y).RowIndex;
if (rowIndexFromMouseDown != -1)
{
// Remember the point where the mouse down occurred.
// The DragSize indicates the size that the mouse can move
// before a drag event should be started.
Size dragSize = SystemInformation.DragSize;
// Create a rectangle using the DragSize, with the mouse position being
// at the center of the rectangle.
dragBoxFromMouseDown = new Rectangle(new Point(e.X - (dragSize.Width / 2),
e.Y - (dragSize.Height / 2)),
dragSize);
}
else
{
// Reset the rectangle if the mouse is not over an item in the ListBox.
dragBoxFromMouseDown = Rectangle.Empty;
}
}
private void DataGridViewMapas_DragDrop(object sender, DragEventArgs e)
{
int rowIndexOfItemUnderMouseToDrop = GetRowIndexOfItemUnderMouseToDrop(e);
// If the drag operation was a move then remove and insert the row.
// if (e.Effect == DragDropEffects.Move) {
if (_ddSource == DragDropSource.Mapas)
{
DataGridViewRow rowToMove = e.Data.GetData(
typeof(DataGridViewRow)) as DataGridViewRow;
if (rowToMove.Index == rowIndexOfItemUnderMouseToDrop)
{
return;
}
_mapas[rowToMove.Index].Updated = true;
if (rowToMove.Index > rowIndexOfItemUnderMouseToDrop)
{
// Moving UP
_mapas[rowToMove.Index].Corredor = _mapas[rowIndexOfItemUnderMouseToDrop].Corredor;
for (int r = rowIndexOfItemUnderMouseToDrop; r < rowToMove.Index; r++)
{
_mapas[r].Corredor = _mapas[r].Corredor + 1;
_mapas[r].Updated = true;
}
}
else
{
// Moving DOWN
_mapas[rowToMove.Index].Corredor = _mapas[rowIndexOfItemUnderMouseToDrop].Corredor - 1;
for (int r = rowToMove.Index + 1; r < rowIndexOfItemUnderMouseToDrop; r++)
{
_mapas[r].Corredor = _mapas[r].Corredor - 1;
_mapas[r].Updated = true;
}
}
var SortedList = _mapas.OriginalList.OrderBy(o => o.Corredor);
_mapas = new SortableBindingList <clsMapa>();
foreach (clsMapa mapa in SortedList)
{
_mapas.Add(mapa);
}
_sourceMapas.DataSource = _mapas;
bindingSourceMapas.DataSource = _sourceMapas;
LojaBindingNavigatorSaveItem.Enabled = _mapas.Any(m => m.Updated);
}
else
{
if (e.Data.GetDataPresent(typeof(ListView.SelectedListViewItemCollection)))
{
foreach (ListViewItem current in (ListView.SelectedListViewItemCollection)e.Data.GetData(typeof(ListView.SelectedListViewItemCollection)))
{
if (_ddSource == DragDropSource.ProdutosNoCorredor)
{
if (bindingSourceMapas.Position == rowIndexOfItemUnderMouseToDrop)
{
return;
}
_mapas[bindingSourceMapas.Position].ProdutoRemove(current);
}
_mapas[rowIndexOfItemUnderMouseToDrop].ProdutoAdd(current);
current.Remove();
}
DataGridViewMapas.Refresh();
LojaBindingNavigatorSaveItem.Enabled = true;
}
}
}
