1 /*
   2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @key headful
  27  * @bug 8003400
  28  * @summary Tests that JTree shows the last row
  29  * @author Sergey Malenkov
  30  * @library ../../../../lib/testlibrary
  31  * @build ExtendedRobot
  32  * @run main/othervm Test8003400
  33  * @run main/othervm Test8003400 reverse
  34  * @run main/othervm Test8003400 system
  35  * @run main/othervm Test8003400 system reverse
  36  */
  37 
  38 import java.awt.Rectangle;
  39 import java.awt.Robot;
  40 import java.awt.event.KeyEvent;
  41 import java.util.Arrays;
  42 import java.util.Collections;
  43 import java.util.List;
  44 import javax.swing.JFrame;
  45 import javax.swing.JScrollPane;
  46 import javax.swing.JTree;
  47 import javax.swing.SwingUtilities;
  48 import javax.swing.UIManager;
  49 import javax.swing.tree.DefaultMutableTreeNode;
  50 
  51 public class Test8003400 {
  52 
  53     private static final String TITLE = "Test JTree with a large model";
  54     private static List<String> OBJECTS = Arrays.asList(TITLE, "x", "y", "z");
  55     private static JScrollPane pane;
  56 
  57     public static void main(String[] args) throws Exception {
  58         for (String arg : args) {
  59             if (arg.equals("reverse")) {
  60                 Collections.reverse(OBJECTS);
  61             }
  62             if (arg.equals("system")) {
  63                 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
  64             }
  65         }
  66         SwingUtilities.invokeAndWait(new Runnable() {
  67             public void run() {
  68                 DefaultMutableTreeNode root = new DefaultMutableTreeNode();
  69 
  70                 JTree tree = new JTree(root);
  71                 tree.setLargeModel(true);
  72                 tree.setRowHeight(16);
  73 
  74                 JFrame frame = new JFrame(TITLE);
  75                 frame.add(pane = new JScrollPane(tree));
  76                 frame.setSize(200, 100);
  77                 frame.setLocationRelativeTo(null);
  78                 frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
  79                 frame.setVisible(true);
  80 
  81                 for (String object : OBJECTS) {
  82                     root.add(new DefaultMutableTreeNode(object));
  83                 }
  84                 tree.expandRow(0);
  85             }
  86         });
  87 
  88         ExtendedRobot robot = new ExtendedRobot();
  89         robot.waitForIdle(500);
  90         robot.keyPress(KeyEvent.VK_END);
  91         robot.waitForIdle(500);
  92         robot.keyRelease(KeyEvent.VK_END);
  93         robot.waitForIdle();
  94 
  95         SwingUtilities.invokeAndWait(new Runnable() {
  96             public void run() {
  97                 JTree tree = (JTree) pane.getViewport().getView();
  98                 Rectangle inner = tree.getRowBounds(tree.getRowCount() - 1);
  99                 Rectangle outer = SwingUtilities.convertRectangle(tree, inner, pane);
 100                 outer.y += tree.getRowHeight() - 1 - pane.getVerticalScrollBar().getHeight();
 101                 // error reporting only for automatic testing
 102                 if (null != System.getProperty("test.src", null)) {
 103                     SwingUtilities.getWindowAncestor(pane).dispose();
 104                     if (outer.y != 0) {
 105                         throw new Error("TEST FAILED: " + outer.y);
 106                     }
 107                 }
 108             }
 109         });
 110     }
 111 }