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comparison agent/src/share/classes/sun/jvm/hotspot/bugspot/StackTracePanel.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.bugspot;
26
27 import java.awt.*;
28 import java.awt.event.*;
29 import java.util.*;
30 import javax.swing.*;
31 import sun.jvm.hotspot.debugger.cdbg.*;
32 import sun.jvm.hotspot.runtime.*;
33 import sun.jvm.hotspot.ui.*;
34
35 /** This panel contains a ListBox with all of the stack frames in a
36 given thread. When a given entry is selected, an event is
37 fired. */
38
39 public class StackTracePanel extends JPanel {
40 public interface Listener {
41 public void frameChanged(CFrame fr, JavaVFrame jfr);
42 }
43
44 class Model extends AbstractListModel implements ComboBoxModel {
45 private Object selectedItem;
46 public Object getElementAt(int index) {
47 if (trace == null) return null;
48 return trace.get(index);
49 }
50 public int getSize() {
51 if (trace == null) return 0;
52 return trace.size();
53 }
54 public Object getSelectedItem() {
55 return selectedItem;
56 }
57 public void setSelectedItem(Object item) {
58 selectedItem = item;
59 }
60 public void dataChanged() {
61 fireContentsChanged(this, 0, trace.size());
62 }
63 }
64
65 private java.util.List trace;
66 private Model model;
67 private JComboBox list;
68 private java.util.List listeners;
69
70 public StackTracePanel() {
71 super();
72
73 model = new Model();
74
75 // Build user interface
76 setLayout(new BorderLayout());
77 setBorder(GraphicsUtilities.newBorder(5));
78 list = new JComboBox(model);
79 list.setPrototypeDisplayValue("ZZZZZZZZZZZZZZZZZZZZZZZZZZZZ");
80 add(list, BorderLayout.CENTER);
81
82 // Add selection listener
83 list.addItemListener(new ItemListener() {
84 public void itemStateChanged(ItemEvent e) {
85 if (e.getStateChange() == ItemEvent.SELECTED) {
86 fireFrameChanged();
87 }
88 }
89 });
90 }
91
92 /** Takes a List of StackTraceEntry objects */
93 public void setTrace(java.util.List trace) {
94 this.trace = trace;
95 model.dataChanged();
96 list.setSelectedIndex(0);
97 fireFrameChanged();
98 }
99
100 public void addListener(Listener listener) {
101 if (listeners == null) {
102 listeners = new ArrayList();
103 }
104 listeners.add(listener);
105 }
106
107 protected void fireFrameChanged() {
108 if (listeners != null) {
109 StackTraceEntry entry = (StackTraceEntry) trace.get(list.getSelectedIndex());
110 for (Iterator iter = listeners.iterator(); iter.hasNext(); ) {
111 ((Listener) iter.next()).frameChanged(entry.getCFrame(), entry.getJavaFrame());
112 }
113 }
114 }
115 }