DropTarget.java 文件源码

/**
 * Creates a <code>DropTarget</code> object.
 *
 * @exception HeadlessException If GraphicsEnvironment.isHeadless()
 * returns true.
 */
public DropTarget (Component c, int i, DropTargetListener dtl, boolean b,
                   FlavorMap fm)
{
  if (GraphicsEnvironment.isHeadless ())
    throw new HeadlessException ();

  setComponent(c);
  setDefaultActions(i);
  dropTargetListener = dtl;

  if (fm == null)
    flavorMap = SystemFlavorMap.getDefaultFlavorMap();
  else
    flavorMap = fm;

  setActive (b);

  if (c != null)
    c.setDropTarget(this);
}