| /* |
| * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @key headful |
| * @bug 6567433 |
| * |
| * @summary JTree.updateUI() invokes updateUI() on its TreeCellrenderer via |
| * SwingUtilities.updateRendererOrEditorUI(). |
| * If the TreeCellrenderer is a parent of this JTree, the method recurses |
| * endless. |
| * This test tests that the fix is effective in avoiding recursion. |
| * |
| * @run main/othervm UpdateUIRecursionTest |
| */ |
| |
| import java.awt.BorderLayout; |
| import java.awt.Component; |
| import javax.swing.JFrame; |
| import javax.swing.JScrollPane; |
| import javax.swing.JTree; |
| import javax.swing.SwingUtilities; |
| import javax.swing.tree.TreeCellRenderer; |
| import javax.swing.tree.DefaultTreeCellRenderer; |
| |
| public class UpdateUIRecursionTest extends JFrame implements TreeCellRenderer { |
| JTree tree; |
| DefaultTreeCellRenderer renderer; |
| |
| public UpdateUIRecursionTest() { |
| super("UpdateUIRecursionTest"); |
| setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| setSize(400, 400); |
| |
| String[] listData = { |
| "First", "Second", "Third", "Fourth", "Fifth", "Sixth" |
| }; |
| |
| tree = new JTree(listData); |
| renderer = new DefaultTreeCellRenderer(); |
| getContentPane().add(new JScrollPane(tree), BorderLayout.CENTER); |
| tree.setCellRenderer(this); |
| |
| setVisible(true); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| |
| @Override |
| public void run() { |
| UpdateUIRecursionTest obj = new UpdateUIRecursionTest(); |
| |
| obj.test(); |
| |
| obj.disposeUI(); |
| } |
| }); |
| } |
| |
| public void test() { |
| tree.updateUI(); |
| } |
| |
| public void disposeUI() { |
| setVisible(false); |
| dispose(); |
| } |
| |
| @Override |
| public Component getTreeCellRendererComponent(JTree tree, Object value, |
| boolean selected, boolean expanded, boolean leaf, |
| int row, boolean hasFocus) |
| { |
| return renderer.getTreeCellRendererComponent(tree, value, leaf, |
| expanded, leaf, row, hasFocus); |
| } |
| } |