private void doCopyCurrentColumn(MouseEvent event) {
		int column = getSelectedColumn();
		if (event != null) {
			column = columnAtPoint(event.getPoint());
		}

		if (column < 0) {
			Msg.debug(this, "Copy failed--no column selected");
			return;
		}

		copyColumns(column);
	}
A method that subclasses can override to signal that they wish not to have this table's
built-in popup actions.   Subclasses will almost never need to override this method.

@return true if popup actions are supported
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTable.java