15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javax.swing.event;
27
28 import java.util.EventListener;
29 import javax.swing.tree.ExpandVetoException;
30
31 /**
32 * The listener that's notified when a tree expands or collapses
33 * a node.
34 * For further information and examples see
35 * <a href="http://java.sun.com/docs/books/tutorial/uiswing/events/treewillexpandlistener.html">How to Write a Tree-Will-Expand Listener</a>,
36 * a section in <em>The Java Tutorial.</em>
37 *
38 * @author Scott Violet
39 */
40
41 public interface TreeWillExpandListener extends EventListener {
42 /**
43 * Invoked whenever a node in the tree is about to be expanded.
44 */
45 public void treeWillExpand(TreeExpansionEvent event) throws ExpandVetoException;
46
47 /**
48 * Invoked whenever a node in the tree is about to be collapsed.
49 */
50 public void treeWillCollapse(TreeExpansionEvent event) throws ExpandVetoException;
51 }
|
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javax.swing.event;
27
28 import java.util.EventListener;
29 import javax.swing.tree.ExpandVetoException;
30
31 /**
32 * The listener that's notified when a tree expands or collapses
33 * a node.
34 * For further information and examples see
35 * <a href="http://docs.oracle.com/javase/tutorial/uiswing/events/treewillexpandlistener.html">How to Write a Tree-Will-Expand Listener</a>,
36 * a section in <em>The Java Tutorial.</em>
37 *
38 * @author Scott Violet
39 */
40
41 public interface TreeWillExpandListener extends EventListener {
42 /**
43 * Invoked whenever a node in the tree is about to be expanded.
44 */
45 public void treeWillExpand(TreeExpansionEvent event) throws ExpandVetoException;
46
47 /**
48 * Invoked whenever a node in the tree is about to be collapsed.
49 */
50 public void treeWillCollapse(TreeExpansionEvent event) throws ExpandVetoException;
51 }
|