/*
 * Copyright 2002-2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *  
 */

package sun.jvm.hotspot.ui;

import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;

import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.ui.classbrowser.*;

/** Provides Java stack trace of a Java Thread */

public class JavaStackTracePanel extends JPanel {
    private JSplitPane          splitPane;
    private SAEditorPane        stackTraceEditor;
    private SAEditorPane        contentEditor;
    private HTMLGenerator htmlGen = new HTMLGenerator();

    public JavaStackTracePanel() {
	initUI();
    }

    private void initUI() {
        setLayout(new BorderLayout());
        HyperlinkListener hyperListener = new HyperlinkListener() {
                         public void hyperlinkUpdate(HyperlinkEvent e) {
                            if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                               setContentText(htmlGen.genHTMLForHyperlink(e.getDescription()));
                            }
                         }
                      };

        stackTraceEditor = new SAEditorPane();
        stackTraceEditor.addHyperlinkListener(hyperListener);

        contentEditor = new SAEditorPane();
        contentEditor.addHyperlinkListener(hyperListener);

        JPanel topPanel = new JPanel();
        topPanel.setLayout(new BorderLayout());
        topPanel.add(new JScrollPane(stackTraceEditor), BorderLayout.CENTER);

        JPanel bottomPanel = new JPanel();
        bottomPanel.setLayout(new BorderLayout());
        bottomPanel.add(new JScrollPane(contentEditor), BorderLayout.CENTER);

        splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, topPanel, bottomPanel);
        splitPane.setDividerLocation(0.4);

        setLayout(new BorderLayout());
        add(splitPane, BorderLayout.CENTER);
    }

    public void setJavaThread(final JavaThread thread) {
	setStackTraceText(htmlGen.genHTMLForJavaStackTrace(thread));
    }

    private void setStackTraceText(String text) {
	stackTraceEditor.setText(text);
    }

    private void setContentText(String text) {
        contentEditor.setText(text);
    }
}
