| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| package org.apache.batik.gvt; |
| |
| import org.apache.batik.gvt.event.GraphicsNodeChangeListener; |
| import org.apache.batik.gvt.event.GraphicsNodeKeyListener; |
| import org.apache.batik.gvt.event.GraphicsNodeMouseListener; |
| import org.apache.batik.gvt.event.SelectionListener; |
| |
| /** |
| * Interface which allows selection of GraphicsNodes and their contents. |
| * |
| * @author <a href="mailto:bill.haneman@ireland.sun.com">Bill Haneman</a> |
| * @version $Id$ |
| */ |
| public interface Selector extends GraphicsNodeMouseListener, |
| GraphicsNodeKeyListener, |
| GraphicsNodeChangeListener { |
| |
| /** |
| * Get the contents of the current selection buffer. |
| */ |
| Object getSelection(); |
| |
| /** |
| * Reports whether the current selection contains any objects. |
| */ |
| boolean isEmpty(); |
| |
| /** |
| * Add a SelectionListener to this Selector's notification list. |
| * @param l the SelectionListener to add. |
| */ |
| void addSelectionListener(SelectionListener l); |
| |
| |
| /** |
| * Remove a SelectionListener from this Selector's notification list. |
| * @param l the SelectionListener to be removed. |
| */ |
| void removeSelectionListener(SelectionListener l); |
| |
| } |