| /* |
| * Copyright (c) 1998, 2008, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| /* |
| * This source code is provided to illustrate the usage of a given feature |
| * or technique and has been deliberately simplified. Additional steps |
| * required for a production-quality application, such as security checks, |
| * input validation and proper error handling, might not be present in |
| * this sample code. |
| */ |
| |
| |
| package com.sun.tools.example.debug.gui; |
| |
| import java.util.*; |
| |
| import javax.swing.*; |
| import javax.swing.tree.*; |
| import java.awt.*; |
| import java.awt.event.*; |
| |
| import com.sun.jdi.*; |
| import com.sun.tools.example.debug.event.*; |
| import com.sun.tools.example.debug.bdi.*; |
| |
| public class ClassTreeTool extends JPanel { |
| |
| private static final long serialVersionUID = 526178912591739259L; |
| |
| private Environment env; |
| |
| private ExecutionManager runtime; |
| private SourceManager sourceManager; |
| private ClassManager classManager; |
| |
| private JTree tree; |
| private DefaultTreeModel treeModel; |
| private ClassTreeNode root; |
| // private SearchPath sourcePath; |
| |
| private CommandInterpreter interpreter; |
| |
| private static String HEADING = "CLASSES"; |
| |
| public ClassTreeTool(Environment env) { |
| |
| super(new BorderLayout()); |
| |
| this.env = env; |
| this.runtime = env.getExecutionManager(); |
| this.sourceManager = env.getSourceManager(); |
| |
| this.interpreter = new CommandInterpreter(env); |
| |
| root = createClassTree(HEADING); |
| treeModel = new DefaultTreeModel(root); |
| |
| // Create a tree that allows one selection at a time. |
| |
| tree = new JTree(treeModel); |
| tree.setSelectionModel(new SingleLeafTreeSelectionModel()); |
| |
| /****** |
| // Listen for when the selection changes. |
| tree.addTreeSelectionListener(new TreeSelectionListener() { |
| public void valueChanged(TreeSelectionEvent e) { |
| ClassTreeNode node = (ClassTreeNode) |
| (e.getPath().getLastPathComponent()); |
| if (node != null) { |
| interpreter.executeCommand("view " + node.getReferenceTypeName()); |
| } |
| } |
| }); |
| ******/ |
| |
| MouseListener ml = new MouseAdapter() { |
| @Override |
| public void mouseClicked(MouseEvent e) { |
| int selRow = tree.getRowForLocation(e.getX(), e.getY()); |
| TreePath selPath = tree.getPathForLocation(e.getX(), e.getY()); |
| if(selRow != -1) { |
| if(e.getClickCount() == 1) { |
| ClassTreeNode node = |
| (ClassTreeNode)selPath.getLastPathComponent(); |
| // If user clicks on leaf, select it, and issue 'view' command. |
| if (node.isLeaf()) { |
| tree.setSelectionPath(selPath); |
| interpreter.executeCommand("view " + node.getReferenceTypeName()); |
| } |
| } |
| } |
| } |
| }; |
| tree.addMouseListener(ml); |
| |
| JScrollPane treeView = new JScrollPane(tree); |
| add(treeView); |
| |
| // Create listener. |
| ClassTreeToolListener listener = new ClassTreeToolListener(); |
| runtime.addJDIListener(listener); |
| runtime.addSessionListener(listener); |
| |
| //### remove listeners on exit! |
| } |
| |
| private class ClassTreeToolListener extends JDIAdapter |
| implements JDIListener, SessionListener { |
| |
| // SessionListener |
| |
| @Override |
| public void sessionStart(EventObject e) { |
| // Get system classes and any others loaded before attaching. |
| try { |
| for (ReferenceType type : runtime.allClasses()) { |
| root.addClass(type); |
| } |
| } catch (VMDisconnectedException ee) { |
| // VM terminated unexpectedly. |
| } catch (NoSessionException ee) { |
| // Ignore. Should not happen. |
| } |
| } |
| |
| @Override |
| public void sessionInterrupt(EventObject e) {} |
| @Override |
| public void sessionContinue(EventObject e) {} |
| |
| // JDIListener |
| |
| @Override |
| public void classPrepare(ClassPrepareEventSet e) { |
| root.addClass(e.getReferenceType()); |
| } |
| |
| @Override |
| public void classUnload(ClassUnloadEventSet e) { |
| root.removeClass(e.getClassName()); |
| } |
| |
| @Override |
| public void vmDisconnect(VMDisconnectEventSet e) { |
| // Clear contents of this view. |
| root = createClassTree(HEADING); |
| treeModel = new DefaultTreeModel(root); |
| tree.setModel(treeModel); |
| } |
| } |
| |
| ClassTreeNode createClassTree(String label) { |
| return new ClassTreeNode(label, null); |
| } |
| |
| class ClassTreeNode extends DefaultMutableTreeNode { |
| |
| private String name; |
| private ReferenceType refTy; // null for package |
| |
| ClassTreeNode(String name, ReferenceType refTy) { |
| this.name = name; |
| this.refTy = refTy; |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| |
| public ReferenceType getReferenceType() { |
| return refTy; |
| } |
| |
| public String getReferenceTypeName() { |
| return refTy.name(); |
| } |
| |
| private boolean isPackage() { |
| return (refTy == null); |
| } |
| |
| @Override |
| public boolean isLeaf() { |
| return !isPackage(); |
| } |
| |
| public void addClass(ReferenceType refTy) { |
| addClass(refTy.name(), refTy); |
| } |
| |
| private void addClass(String className, ReferenceType refTy) { |
| if (className.equals("")) { |
| return; |
| } |
| int pos = className.indexOf('.'); |
| if (pos < 0) { |
| insertNode(className, refTy); |
| } else { |
| String head = className.substring(0, pos); |
| String tail = className.substring(pos + 1); |
| ClassTreeNode child = insertNode(head, null); |
| child.addClass(tail, refTy); |
| } |
| } |
| |
| private ClassTreeNode insertNode(String name, ReferenceType refTy) { |
| for (int i = 0; i < getChildCount(); i++) { |
| ClassTreeNode child = (ClassTreeNode)getChildAt(i); |
| int cmp = name.compareTo(child.toString()); |
| if (cmp == 0) { |
| // like-named node already exists |
| return child; |
| } else if (cmp < 0) { |
| // insert new node before the child |
| ClassTreeNode newChild = new ClassTreeNode(name, refTy); |
| treeModel.insertNodeInto(newChild, this, i); |
| return newChild; |
| } |
| } |
| // insert new node after last child |
| ClassTreeNode newChild = new ClassTreeNode(name, refTy); |
| treeModel.insertNodeInto(newChild, this, getChildCount()); |
| return newChild; |
| } |
| |
| public void removeClass(String className) { |
| if (className.equals("")) { |
| return; |
| } |
| int pos = className.indexOf('.'); |
| if (pos < 0) { |
| ClassTreeNode child = findNode(className); |
| if (!isPackage()) { |
| treeModel.removeNodeFromParent(child); |
| } |
| } else { |
| String head = className.substring(0, pos); |
| String tail = className.substring(pos + 1); |
| ClassTreeNode child = findNode(head); |
| child.removeClass(tail); |
| if (isPackage() && child.getChildCount() < 1) { |
| // Prune non-leaf nodes with no children. |
| treeModel.removeNodeFromParent(child); |
| } |
| } |
| } |
| |
| private ClassTreeNode findNode(String name) { |
| for (int i = 0; i < getChildCount(); i++) { |
| ClassTreeNode child = (ClassTreeNode)getChildAt(i); |
| int cmp = name.compareTo(child.toString()); |
| if (cmp == 0) { |
| return child; |
| } else if (cmp > 0) { |
| // not found, since children are sorted |
| return null; |
| } |
| } |
| return null; |
| } |
| |
| } |
| |
| } |