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| 1 | /* | ||
| 2 | * Copyright (c) 1998, 2008, 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 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 com.sun.tools.example.debug.gui; | ||
| 27 | |||
| 28 | import java.util.*; | ||
| 29 | |||
| 30 | import javax.swing.*; | ||
| 31 | import javax.swing.tree.*; | ||
| 32 | import java.awt.*; | ||
| 33 | import java.awt.event.*; | ||
| 34 | |||
| 35 | import com.sun.jdi.*; | ||
| 36 | import com.sun.tools.example.debug.event.*; | ||
| 37 | import com.sun.tools.example.debug.bdi.*; | ||
| 38 | |||
| 39 | public class ClassTreeTool extends JPanel { | ||
| 40 | |||
| 41 | private static final long serialVersionUID = 526178912591739259L; | ||
| 42 | |||
| 43 | private Environment env; | ||
| 44 | |||
| 45 | private ExecutionManager runtime; | ||
| 46 | private SourceManager sourceManager; | ||
| 47 | private ClassManager classManager; | ||
| 48 | |||
| 49 | private JTree tree; | ||
| 50 | private DefaultTreeModel treeModel; | ||
| 51 | private ClassTreeNode root; | ||
| 52 | // private SearchPath sourcePath; | ||
| 53 | |||
| 54 | private CommandInterpreter interpreter; | ||
| 55 | |||
| 56 | private static String HEADING = "CLASSES"; | ||
| 57 | |||
| 58 | public ClassTreeTool(Environment env) { | ||
| 59 | |||
| 60 | super(new BorderLayout()); | ||
| 61 | |||
| 62 | this.env = env; | ||
| 63 | this.runtime = env.getExecutionManager(); | ||
| 64 | this.sourceManager = env.getSourceManager(); | ||
| 65 | |||
| 66 | this.interpreter = new CommandInterpreter(env); | ||
| 67 | |||
| 68 | root = createClassTree(HEADING); | ||
| 69 | treeModel = new DefaultTreeModel(root); | ||
| 70 | |||
| 71 | // Create a tree that allows one selection at a time. | ||
| 72 | |||
| 73 | tree = new JTree(treeModel); | ||
| 74 | tree.setSelectionModel(new SingleLeafTreeSelectionModel()); | ||
| 75 | |||
| 76 | /****** | ||
| 77 | // Listen for when the selection changes. | ||
| 78 | tree.addTreeSelectionListener(new TreeSelectionListener() { | ||
| 79 | public void valueChanged(TreeSelectionEvent e) { | ||
| 80 | ClassTreeNode node = (ClassTreeNode) | ||
| 81 | (e.getPath().getLastPathComponent()); | ||
| 82 | if (node != null) { | ||
| 83 | interpreter.executeCommand("view " + node.getReferenceTypeName()); | ||
| 84 | } | ||
| 85 | } | ||
| 86 | }); | ||
| 87 | ******/ | ||
| 88 | |||
| 89 | MouseListener ml = new MouseAdapter() { | ||
| 90 | @Override | ||
| 91 | public void mouseClicked(MouseEvent e) { | ||
| 92 | int selRow = tree.getRowForLocation(e.getX(), e.getY()); | ||
| 93 | TreePath selPath = tree.getPathForLocation(e.getX(), e.getY()); | ||
| 94 | if(selRow != -1) { | ||
| 95 | if(e.getClickCount() == 1) { | ||
| 96 | ClassTreeNode node = | ||
| 97 | (ClassTreeNode)selPath.getLastPathComponent(); | ||
| 98 | // If user clicks on leaf, select it, and issue 'view' command. | ||
| 99 | if (node.isLeaf()) { | ||
| 100 | tree.setSelectionPath(selPath); | ||
| 101 | interpreter.executeCommand("view " + node.getReferenceTypeName()); | ||
| 102 | } | ||
| 103 | } | ||
| 104 | } | ||
| 105 | } | ||
| 106 | }; | ||
| 107 | tree.addMouseListener(ml); | ||
| 108 | |||
| 109 | JScrollPane treeView = new JScrollPane(tree); | ||
| 110 | add(treeView); | ||
| 111 | |||
| 112 | // Create listener. | ||
| 113 | ClassTreeToolListener listener = new ClassTreeToolListener(); | ||
| 114 | runtime.addJDIListener(listener); | ||
| 115 | runtime.addSessionListener(listener); | ||
| 116 | |||
| 117 | //### remove listeners on exit! | ||
| 118 | } | ||
| 119 | |||
| 120 | private class ClassTreeToolListener extends JDIAdapter | ||
| 121 | implements JDIListener, SessionListener { | ||
| 122 | |||
| 123 | // SessionListener | ||
| 124 | |||
| 125 | @Override | ||
| 126 | public void sessionStart(EventObject e) { | ||
| 127 | // Get system classes and any others loaded before attaching. | ||
| 128 | try { | ||
| 129 | for (ReferenceType type : runtime.allClasses()) { | ||
| 130 | root.addClass(type); | ||
| 131 | } | ||
| 132 | } catch (VMDisconnectedException ee) { | ||
| 133 | // VM terminated unexpectedly. | ||
| 134 | } catch (NoSessionException ee) { | ||
| 135 | // Ignore. Should not happen. | ||
| 136 | } | ||
| 137 | } | ||
| 138 | |||
| 139 | @Override | ||
| 140 | public void sessionInterrupt(EventObject e) {} | ||
| 141 | @Override | ||
| 142 | public void sessionContinue(EventObject e) {} | ||
| 143 | |||
| 144 | // JDIListener | ||
| 145 | |||
| 146 | @Override | ||
| 147 | public void classPrepare(ClassPrepareEventSet e) { | ||
| 148 | root.addClass(e.getReferenceType()); | ||
| 149 | } | ||
| 150 | |||
| 151 | @Override | ||
| 152 | public void classUnload(ClassUnloadEventSet e) { | ||
| 153 | root.removeClass(e.getClassName()); | ||
| 154 | } | ||
| 155 | |||
| 156 | @Override | ||
| 157 | public void vmDisconnect(VMDisconnectEventSet e) { | ||
| 158 | // Clear contents of this view. | ||
| 159 | root = createClassTree(HEADING); | ||
| 160 | treeModel = new DefaultTreeModel(root); | ||
| 161 | tree.setModel(treeModel); | ||
| 162 | } | ||
| 163 | } | ||
| 164 | |||
| 165 | ClassTreeNode createClassTree(String label) { | ||
| 166 | return new ClassTreeNode(label, null); | ||
| 167 | } | ||
| 168 | |||
| 169 | class ClassTreeNode extends DefaultMutableTreeNode { | ||
| 170 | |||
| 171 | private String name; | ||
| 172 | private ReferenceType refTy; // null for package | ||
| 173 | |||
| 174 | ClassTreeNode(String name, ReferenceType refTy) { | ||
| 175 | this.name = name; | ||
| 176 | this.refTy = refTy; | ||
| 177 | } | ||
| 178 | |||
| 179 | @Override | ||
| 180 | public String toString() { | ||
| 181 | return name; | ||
| 182 | } | ||
| 183 | |||
| 184 | public ReferenceType getReferenceType() { | ||
| 185 | return refTy; | ||
| 186 | } | ||
| 187 | |||
| 188 | public String getReferenceTypeName() { | ||
| 189 | return refTy.name(); | ||
| 190 | } | ||
| 191 | |||
| 192 | private boolean isPackage() { | ||
| 193 | return (refTy == null); | ||
| 194 | } | ||
| 195 | |||
| 196 | @Override | ||
| 197 | public boolean isLeaf() { | ||
| 198 | return !isPackage(); | ||
| 199 | } | ||
| 200 | |||
| 201 | public void addClass(ReferenceType refTy) { | ||
| 202 | addClass(refTy.name(), refTy); | ||
| 203 | } | ||
| 204 | |||
| 205 | private void addClass(String className, ReferenceType refTy) { | ||
| 206 | if (className.equals("")) { | ||
| 207 | return; | ||
| 208 | } | ||
| 209 | int pos = className.indexOf('.'); | ||
| 210 | if (pos < 0) { | ||
| 211 | insertNode(className, refTy); | ||
| 212 | } else { | ||
| 213 | String head = className.substring(0, pos); | ||
| 214 | String tail = className.substring(pos + 1); | ||
| 215 | ClassTreeNode child = insertNode(head, null); | ||
| 216 | child.addClass(tail, refTy); | ||
| 217 | } | ||
| 218 | } | ||
| 219 | |||
| 220 | private ClassTreeNode insertNode(String name, ReferenceType refTy) { | ||
| 221 | for (int i = 0; i < getChildCount(); i++) { | ||
| 222 | ClassTreeNode child = (ClassTreeNode)getChildAt(i); | ||
| 223 | int cmp = name.compareTo(child.toString()); | ||
| 224 | if (cmp == 0) { | ||
| 225 | // like-named node already exists | ||
| 226 | return child; | ||
| 227 | } else if (cmp < 0) { | ||
| 228 | // insert new node before the child | ||
| 229 | ClassTreeNode newChild = new ClassTreeNode(name, refTy); | ||
| 230 | treeModel.insertNodeInto(newChild, this, i); | ||
| 231 | return newChild; | ||
| 232 | } | ||
| 233 | } | ||
| 234 | // insert new node after last child | ||
| 235 | ClassTreeNode newChild = new ClassTreeNode(name, refTy); | ||
| 236 | treeModel.insertNodeInto(newChild, this, getChildCount()); | ||
| 237 | return newChild; | ||
| 238 | } | ||
| 239 | |||
| 240 | public void removeClass(String className) { | ||
| 241 | if (className.equals("")) { | ||
| 242 | return; | ||
| 243 | } | ||
| 244 | int pos = className.indexOf('.'); | ||
| 245 | if (pos < 0) { | ||
| 246 | ClassTreeNode child = findNode(className); | ||
| 247 | if (!isPackage()) { | ||
| 248 | treeModel.removeNodeFromParent(child); | ||
| 249 | } | ||
| 250 | } else { | ||
| 251 | String head = className.substring(0, pos); | ||
| 252 | String tail = className.substring(pos + 1); | ||
| 253 | ClassTreeNode child = findNode(head); | ||
| 254 | child.removeClass(tail); | ||
| 255 | if (isPackage() && child.getChildCount() < 1) { | ||
| 256 | // Prune non-leaf nodes with no children. | ||
| 257 | treeModel.removeNodeFromParent(child); | ||
| 258 | } | ||
| 259 | } | ||
| 260 | } | ||
| 261 | |||
| 262 | private ClassTreeNode findNode(String name) { | ||
| 263 | for (int i = 0; i < getChildCount(); i++) { | ||
| 264 | ClassTreeNode child = (ClassTreeNode)getChildAt(i); | ||
| 265 | int cmp = name.compareTo(child.toString()); | ||
| 266 | if (cmp == 0) { | ||
| 267 | return child; | ||
| 268 | } else if (cmp > 0) { | ||
| 269 | // not found, since children are sorted | ||
| 270 | return null; | ||
| 271 | } | ||
| 272 | } | ||
| 273 | return null; | ||
| 274 | } | ||
| 275 | |||
| 276 | } | ||
| 277 | |||
| 278 | } | ||