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