DeleteDialog deleteDialog = DeleteDialog.getDeleteDialog(nodes); GUIUtilities.showInScreenCenter(deleteDialog);
DeleteDialog deleteDialog = DeleteDialog.getDeleteDialog(nodes, getLocationOnScreen(), getSize()); deleteDialog.show();
			public void actionPerformed(ActionEvent evt) {				MatrixTreeNode[] nodes = getSelectionNodes();				if (nodes == null) {					return;				}				DeleteDialog deleteDialog = DeleteDialog.getDeleteDialog(nodes);				GUIUtilities.showInScreenCenter(deleteDialog);			}