/*
* Copyright (c) 2001, 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.
*
* 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.
*
*/
package sun.jvm.hotspot.bugspot;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import sun.jvm.hotspot.debugger.cdbg.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.ui.*;
/** This panel contains a ListBox with all of the stack frames in a
given thread. When a given entry is selected, an event is
fired. */
public class StackTracePanel extends JPanel {
public interface Listener {
public void frameChanged(CFrame fr, JavaVFrame jfr);
}
class Model extends AbstractListModel implements ComboBoxModel {
private Object selectedItem;
public Object getElementAt(int index) {
if (trace == null) return null;
return trace.get(index);
}
public int getSize() {
if (trace == null) return 0;
return trace.size();
}
public Object getSelectedItem() {
return selectedItem;
}
public void setSelectedItem(Object item) {
selectedItem = item;
}
public void dataChanged() {
fireContentsChanged(this, 0, trace.size());
}
}
private java.util.List trace;
private Model model;
private JComboBox list;
private java.util.List listeners;
public StackTracePanel() {
super();
model = new Model();
// Build user interface
setLayout(new BorderLayout());
setBorder(GraphicsUtilities.newBorder(5));
list = new JComboBox(model);
list.setPrototypeDisplayValue("ZZZZZZZZZZZZZZZZZZZZZZZZZZZZ");
add(list, BorderLayout.CENTER);
// Add selection listener
list.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
fireFrameChanged();
}
}
});
}
/** Takes a List of StackTraceEntry objects */
public void setTrace(java.util.List trace) {
this.trace = trace;
model.dataChanged();
list.setSelectedIndex(0);
fireFrameChanged();
}
public void addListener(Listener listener) {
if (listeners == null) {
listeners = new ArrayList();
}
listeners.add(listener);
}
protected void fireFrameChanged() {
if (listeners != null) {
StackTraceEntry entry = (StackTraceEntry) trace.get(list.getSelectedIndex());
for (Iterator iter = listeners.iterator(); iter.hasNext(); ) {
((Listener) iter.next()).frameChanged(entry.getCFrame(), entry.getJavaFrame());
}
}
}
}