1 /* 2 * Copyright (c) 2002, 2017, 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 /* @test 24 @key headful 25 @bug 4633594 8172012 26 @summary No way to pass focus from a JTree to a GUI placed inside the tree node 27 @run main JTreeFocusTest 28 */ 29 import java.awt.Component; 30 import java.awt.GridLayout; 31 import java.awt.Point; 32 import java.awt.Robot; 33 import java.awt.event.FocusAdapter; 34 import java.awt.event.FocusEvent; 35 import java.awt.event.KeyEvent; 36 import java.util.EventObject; 37 import javax.swing.JComponent; 38 import javax.swing.JFrame; 39 import javax.swing.JLabel; 40 import javax.swing.JPanel; 41 import javax.swing.JTextField; 42 import javax.swing.JTree; 43 import javax.swing.SwingUtilities; 44 import javax.swing.UIManager; 45 import javax.swing.border.BevelBorder; 46 import javax.swing.border.CompoundBorder; 47 import javax.swing.border.LineBorder; 48 import javax.swing.event.TreeSelectionEvent; 49 import javax.swing.event.TreeSelectionListener; 50 import javax.swing.tree.DefaultMutableTreeNode; 51 import javax.swing.tree.DefaultTreeCellEditor; 52 import javax.swing.tree.DefaultTreeCellRenderer; 53 import javax.swing.tree.DefaultTreeModel; 54 55 public class JTreeFocusTest { 56 57 private static DefaultMutableTreeNode root; 58 Robot robot; 59 static boolean passed = false; 60 boolean rootSelected = false; 61 boolean keysTyped = false; 62 private volatile Point p = null; 63 private static JFrame fr; 64 private static volatile JTree tree = null; 65 66 public static void main(String[] args) throws Exception{ 67 new JTreeFocusTest(); 68 } 69 70 void blockTillDisplayed(JComponent comp) throws Exception { 71 while (p == null) { 72 try { 73 SwingUtilities.invokeAndWait(() -> { 74 p = comp.getLocationOnScreen(); 75 }); 76 } catch (IllegalStateException e) { 77 try { 78 Thread.sleep(1000); 79 } catch (InterruptedException ie) { 80 } 81 } 82 } 83 } 84 85 public JTreeFocusTest() throws Exception { 86 SwingUtilities.invokeAndWait(() -> { 87 fr = new JFrame("Test"); 88 89 root = new DefaultMutableTreeNode("root"); 90 JPanel p = new JPanel(); 91 p.setBorder(new CompoundBorder(new BevelBorder(BevelBorder.RAISED), 92 new LineBorder(UIManager.getColor("control"), 7))); 93 p.setLayout(new GridLayout(2,2)); 94 p.add(new JLabel("one")); 95 JTextField tf1 = new JTextField(10); 96 p.add(tf1); 97 p.add(new JLabel("two")); 98 p.add(new JTextField(10)); 99 root.add(new DefaultMutableTreeNode(p)); 100 101 tf1.addFocusListener(new FocusAdapter() { 102 public void focusGained(FocusEvent e) { 103 setPassed(true); 104 } 105 }); 106 107 DefaultTreeModel model = new DefaultTreeModel(root); 108 tree = new JTree(model) { 109 public void processKeyEvent(KeyEvent e) { 110 super.processKeyEvent(e); 111 if (e.getKeyCode()==KeyEvent.VK_F2) { 112 synchronized (JTreeFocusTest.this) { 113 keysTyped = true; 114 JTreeFocusTest.this.notifyAll(); 115 } 116 } 117 } 118 }; 119 120 tree.addTreeSelectionListener(new TreeSelectionListener() { 121 public void valueChanged(TreeSelectionEvent e) { 122 if ( root.equals(e.getPath().getLastPathComponent()) ) { 123 synchronized (JTreeFocusTest.this) { 124 rootSelected = true; 125 JTreeFocusTest.this.notifyAll(); 126 } 127 } 128 } 129 }); 130 131 tree.setEditable(true); 132 DefaultTreeCellRenderer renderer = new FormRenderer(); 133 tree.setCellRenderer(renderer); 134 DefaultTreeCellEditor editor = new FormEditor(tree, renderer); 135 tree.setCellEditor(editor); 136 fr.getContentPane().add(tree); 137 138 fr.setSize(300,400); 139 fr.setVisible(true); 140 }); 141 blockTillDisplayed(tree); 142 SwingUtilities.invokeAndWait(() -> { 143 tree.requestFocus(); 144 tree.setSelectionRow(0); 145 }); 146 147 try { 148 synchronized (this) { 149 while (!rootSelected) { 150 JTreeFocusTest.this.wait(); 151 } 152 } 153 154 robot = new Robot(); 155 robot.setAutoDelay(50); 156 robot.delay(150); 157 robot.keyPress(KeyEvent.VK_DOWN); 158 robot.keyRelease(KeyEvent.VK_DOWN); 159 robot.keyPress(KeyEvent.VK_RIGHT); 160 robot.keyRelease(KeyEvent.VK_RIGHT); 161 robot.keyPress(KeyEvent.VK_F2); 162 robot.keyRelease(KeyEvent.VK_F2); 163 164 synchronized (this) { 165 while (!keysTyped) { 166 JTreeFocusTest.this.wait(); 167 } 168 } 169 Thread.sleep(3000); 170 } catch(Throwable t) { 171 t.printStackTrace(); 172 } 173 destroy(); 174 } 175 176 public void destroy() throws Exception { 177 SwingUtilities.invokeAndWait(()->fr.dispose()); 178 if ( !isPassed() ) { 179 throw new RuntimeException("Focus wasn't transferred to the proper component"); 180 } 181 } 182 183 synchronized void setPassed(boolean passed) { 184 this.passed = passed; 185 } 186 187 synchronized boolean isPassed() { 188 return passed; 189 } 190 191 static JTree createTree() { 192 return tree; 193 } 194 195 class FormRenderer extends DefaultTreeCellRenderer { 196 public Component getTreeCellRendererComponent(JTree tree, Object value, 197 boolean sel, 198 boolean expanded, 199 boolean leaf, int row, 200 boolean hasFocus) { 201 Object obj = ((DefaultMutableTreeNode)value).getUserObject(); 202 if (obj instanceof Component){ 203 return (Component)((DefaultMutableTreeNode)value).getUserObject(); 204 } 205 return super.getTreeCellRendererComponent(tree, value, sel, 206 expanded, leaf, row, 207 hasFocus); 208 } 209 } 210 211 class FormEditor extends DefaultTreeCellEditor { 212 public FormEditor(JTree tree, DefaultTreeCellRenderer renderer) { 213 super(tree, renderer); 214 } 215 216 public Component getTreeCellEditorComponent(JTree tree, Object value, 217 boolean sel, 218 boolean expanded, 219 boolean leaf, int row) { 220 Object obj = ((DefaultMutableTreeNode)value).getUserObject(); 221 if (obj instanceof Component){ 222 return (Component)((DefaultMutableTreeNode)value).getUserObject(); 223 } 224 return super.getTreeCellEditorComponent(tree, value, sel, 225 expanded, leaf, row); 226 } 227 228 public boolean shouldSelectCell(EventObject anEvent) { 229 //return super.shouldSelectCell(anEvent); 230 return true; 231 } 232 } 233 }