Class GridDropEvent<T>

Constructor Detail

• GridDropEvent

  public GridDropEvent​(Grid<T> target,
                       Map<String,​String> data,
                       DropEffect dropEffect,
                       DragSourceExtension<? extends AbstractComponent> dragSourceExtension,
                       T dropTargetRow,
                       DropLocation dropLocation,
                       MouseEventDetails mouseEventDetails)

  Creates a Grid row drop event.

  Parameters:

  target - Grid that received the drop.

  data - Map containing all types and corresponding data from the DataTransfer object.

  dropEffect - the desired drop effect

  dragSourceExtension - Drag source extension of the component that initiated the drop event.

  dropTargetRow - Target row that received the drop, or null if dropped on empty grid or DropMode.ON_GRID is used

  dropLocation - Location of the drop within the target row.

  mouseEventDetails - mouse event details object containing information about the drop event

Method Detail

• getDropTargetRow

  public Optional<T> getDropTargetRow()

  Get the row the drop happened on.

  If the drop was not on top of a row (see getDropLocation()) or DropMode.ON_GRID is used, then returns an empty optional.

  Returns:

  The row the drop happened on, or an empty optional if drop was not on a row

• getDropLocation

  public DropLocation getDropLocation()

  Get the location of the drop within the row.

  NOTE: the location will be DropLocation.EMPTY if:

  • dropped on an empty grid
  • dropping on rows was not possible because of DropMode.ON_GRID was used
  • DropMode.ON_TOP is used and the drop happened on empty space after last row or on top of the header / footer

  Returns:

  location of the drop in relative to the getDropTargetRow() or DropLocation.EMPTY if no target row present

  See Also:

  GridDropTarget.setDropMode(DropMode)